Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem

Documentation/DocBook/80211.tmpl

@@ -65,7 +65,6 @@
     </abstract>
   </setinfo>
   <book id="cfg80211-developers-guide">
-!Ainclude/net/cfg80211.h
     <bookinfo>
       <title>The cfg80211 subsystem</title>
 

MAINTAINERS

@@ -4304,13 +4304,12 @@ F:	Documentation/filesystems/dlmfs.txt
 F:	fs/ocfs2/
 
 ORINOCO DRIVER
-M:	Pavel Roskin <proski@gnu.org>
-M:	David Gibson <hermes@gibson.dropbear.id.au>
 L:	linux-wireless@vger.kernel.org
 L:	orinoco-users@lists.sourceforge.net
 L:	orinoco-devel@lists.sourceforge.net
+W:	http://linuxwireless.org/en/users/Drivers/orinoco
 W:	http://www.nongnu.org/orinoco/
-S:	Maintained
+S:	Orphan
 F:	drivers/net/wireless/orinoco/
 
 OSD LIBRARY and FILESYSTEM
@@ -6376,7 +6375,7 @@ S:	Maintained
 F:	drivers/input/misc/wistron_btns.c
 
 WL1251 WIRELESS DRIVER
-M:	Kalle Valo <kalle.valo@iki.fi>
+M:	Kalle Valo <kvalo@adurom.com>
 L:	linux-wireless@vger.kernel.org
 W:	http://wireless.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
@@ -6391,6 +6390,7 @@ W:	http://wireless.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
 S:	Maintained
 F:	drivers/net/wireless/wl12xx/wl1271*
+F:	include/linux/spi/wl12xx.h
 
 WL3501 WIRELESS PCMCIA CARD DRIVER
 M:	Arnaldo Carvalho de Melo <acme@ghostprotocols.net>

drivers/net/wireless/ath/ath.h

@@ -119,6 +119,7 @@ struct ath_common {
 
 	u32 keymax;
 	DECLARE_BITMAP(keymap, ATH_KEYMAX);
+	DECLARE_BITMAP(tkip_keymap, ATH_KEYMAX);
 	u8 splitmic;
 
 	struct ath_regulatory regulatory;

drivers/net/wireless/ath/ath5k/base.c

@@ -700,10 +700,10 @@ ath5k_pci_probe(struct pci_dev *pdev,
 	return 0;
 err_ah:
 	ath5k_hw_detach(sc->ah);
-err_irq:
-	free_irq(pdev->irq, sc);
 err_free_ah:
 	kfree(sc->ah);
+err_irq:
+	free_irq(pdev->irq, sc);
 err_free:
 	ieee80211_free_hw(hw);
 err_map:

drivers/net/wireless/ath/ath5k/debug.c

@@ -312,6 +312,7 @@ static const struct {
 	{ ATH5K_DEBUG_DUMP_TX,	"dumptx",	"print transmit skb content" },
 	{ ATH5K_DEBUG_DUMPBANDS, "dumpbands",	"dump bands" },
 	{ ATH5K_DEBUG_ANI,	"ani",		"adaptive noise immunity" },
+	{ ATH5K_DEBUG_DESC,	"desc",		"descriptor chains" },
 	{ ATH5K_DEBUG_ANY,	"all",		"show all debug levels" },
 };
 
@@ -955,7 +956,7 @@ ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah)
 	struct ath5k_rx_status rs = {};
 	int status;
 
-	if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET)))
+	if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
 		return;
 
 	printk(KERN_DEBUG "rxdp %x, rxlink %p\n",
@@ -997,7 +998,7 @@ ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf)
 	struct ath5k_tx_status ts = {};
 	int done;
 
-	if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET)))
+	if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC)))
 		return;
 
 	done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts);

drivers/net/wireless/ath/ath5k/debug.h

@@ -95,6 +95,7 @@ struct ath5k_dbg_info {
  * @ATH5K_DEBUG_DUMP_TX: print transmit skb content
  * @ATH5K_DEBUG_DUMPBANDS: dump bands
  * @ATH5K_DEBUG_TRACE: trace function calls
+ * @ATH5K_DEBUG_DESC: descriptor setup
  * @ATH5K_DEBUG_ANY: show at any debug level
  *
  * The debug level is used to control the amount and type of debugging output
@@ -117,6 +118,7 @@ enum ath5k_debug_level {
 	ATH5K_DEBUG_DUMP_TX	= 0x00000200,
 	ATH5K_DEBUG_DUMPBANDS	= 0x00000400,
 	ATH5K_DEBUG_ANI		= 0x00002000,
+	ATH5K_DEBUG_DESC	= 0x00004000,
 	ATH5K_DEBUG_ANY		= 0xffffffff
 };
 

drivers/net/wireless/ath/ath5k/pcu.c

@@ -137,11 +137,11 @@ void ath5k_hw_update_mib_counters(struct ath5k_hw *ah)
  * ath5k_hw_set_ack_bitrate - set bitrate for ACKs
  *
  * @ah: The &struct ath5k_hw
- * @high: Flag to determine if we want to use high transmition rate
+ * @high: Flag to determine if we want to use high transmission rate
  * for ACKs or not
  *
  * If high flag is set, we tell hw to use a set of control rates based on
- * the current transmition rate (check out control_rates array inside reset.c).
+ * the current transmission rate (check out control_rates array inside reset.c).
  * If not hw just uses the lowest rate available for the current modulation
  * scheme being used (1Mbit for CCK and 6Mbits for OFDM).
  */

drivers/net/wireless/ath/ath5k/phy.c

@@ -1582,7 +1582,7 @@ ath5k_hw_set_spur_mitigation_filter(struct ath5k_hw *ah,
 			else if (curr_sym_off >= 31 && curr_sym_off <= 46)
 				mag_mask[2] |=
 					plt_mag_map << (curr_sym_off - 31) * 2;
-			else if (curr_sym_off >= 46 && curr_sym_off <= 53)
+			else if (curr_sym_off >= 47 && curr_sym_off <= 53)
 				mag_mask[3] |=
 					plt_mag_map << (curr_sym_off - 47) * 2;
 
@@ -2987,7 +2987,7 @@ ath5k_setup_rate_powertable(struct ath5k_hw *ah, u16 max_pwr,
 
 
 /*
- * Set transmition power
+ * Set transmission power
  */
 int
 ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,

drivers/net/wireless/ath/ath5k/reset.c

@@ -326,7 +326,7 @@ commit:
  * register). After this MAC and Baseband are
  * disabled and a full reset is needed to come
  * back. This way we save as much power as possible
- * without puting the card on full sleep.
+ * without putting the card on full sleep.
  */
 int ath5k_hw_on_hold(struct ath5k_hw *ah)
 {
@@ -344,7 +344,7 @@ int ath5k_hw_on_hold(struct ath5k_hw *ah)
 	/*
 	 * Put chipset on warm reset...
 	 *
-	 * Note: puting PCI core on warm reset on PCI-E cards
+	 * Note: putting PCI core on warm reset on PCI-E cards
 	 * results card to hang and always return 0xffff... so
 	 * we ingore that flag for PCI-E cards. On PCI cards
 	 * this flag gets cleared after 64 PCI clocks.
@@ -400,7 +400,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
 	/*
 	 * Put chipset on warm reset...
 	 *
-	 * Note: puting PCI core on warm reset on PCI-E cards
+	 * Note: putting PCI core on warm reset on PCI-E cards
 	 * results card to hang and always return 0xffff... so
 	 * we ingore that flag for PCI-E cards. On PCI cards
 	 * this flag gets cleared after 64 PCI clocks.

drivers/net/wireless/ath/ath9k/common.c

@@ -372,9 +372,13 @@ int ath9k_cmn_key_config(struct ath_common *common,
 	set_bit(idx, common->keymap);
 	if (key->cipher == WLAN_CIPHER_SUITE_TKIP) {
 		set_bit(idx + 64, common->keymap);
+		set_bit(idx, common->tkip_keymap);
+		set_bit(idx + 64, common->tkip_keymap);
 		if (common->splitmic) {
 			set_bit(idx + 32, common->keymap);
 			set_bit(idx + 64 + 32, common->keymap);
+			set_bit(idx + 32, common->tkip_keymap);
+			set_bit(idx + 64 + 32, common->tkip_keymap);
 		}
 	}
 
@@ -399,10 +403,17 @@ void ath9k_cmn_key_delete(struct ath_common *common,
 		return;
 
 	clear_bit(key->hw_key_idx + 64, common->keymap);
+
+	clear_bit(key->hw_key_idx, common->tkip_keymap);
+	clear_bit(key->hw_key_idx + 64, common->tkip_keymap);
+
 	if (common->splitmic) {
 		ath9k_hw_keyreset(ah, key->hw_key_idx + 32);
 		clear_bit(key->hw_key_idx + 32, common->keymap);
 		clear_bit(key->hw_key_idx + 64 + 32, common->keymap);
+
+		clear_bit(key->hw_key_idx + 32, common->tkip_keymap);
+		clear_bit(key->hw_key_idx + 64 + 32, common->tkip_keymap);
 	}
 }
 EXPORT_SYMBOL(ath9k_cmn_key_delete);

drivers/net/wireless/ath/ath9k/htc_drv_main.c

@@ -1239,7 +1239,6 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
 
 	/* Cancel all the running timers/work .. */
 	cancel_work_sync(&priv->ps_work);
-	cancel_delayed_work_sync(&priv->ath9k_ani_work);
 	cancel_delayed_work_sync(&priv->ath9k_led_blink_work);
 	ath9k_led_stop_brightness(priv);
 
@@ -1787,7 +1786,8 @@ static void ath9k_htc_sw_scan_start(struct ieee80211_hw *hw)
 	priv->op_flags |= OP_SCANNING;
 	spin_unlock_bh(&priv->beacon_lock);
 	cancel_work_sync(&priv->ps_work);
-	cancel_delayed_work_sync(&priv->ath9k_ani_work);
+	if (priv->op_flags & OP_ASSOCIATED)
+		cancel_delayed_work_sync(&priv->ath9k_ani_work);
 	mutex_unlock(&priv->mutex);
 }
 
@@ -1801,9 +1801,10 @@ static void ath9k_htc_sw_scan_complete(struct ieee80211_hw *hw)
 	priv->op_flags &= ~OP_SCANNING;
 	spin_unlock_bh(&priv->beacon_lock);
 	priv->op_flags |= OP_FULL_RESET;
-	if (priv->op_flags & OP_ASSOCIATED)
+	if (priv->op_flags & OP_ASSOCIATED) {
 		ath9k_htc_beacon_config(priv, priv->vif);
-	ath_start_ani(priv);
+		ath_start_ani(priv);
+	}
 	ath9k_htc_ps_restore(priv);
 	mutex_unlock(&priv->mutex);
 }

drivers/net/wireless/ath/ath9k/init.c

@@ -33,7 +33,7 @@ int modparam_nohwcrypt;
 module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
 
-int led_blink = 1;
+int led_blink;
 module_param_named(blink, led_blink, int, 0444);
 MODULE_PARM_DESC(blink, "Enable LED blink on activity");
 

drivers/net/wireless/ath/ath9k/mac.c

@@ -711,7 +711,8 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
 			rs->rs_phyerr = phyerr;
 		} else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
 			rs->rs_status |= ATH9K_RXERR_DECRYPT;
-		else if (ads.ds_rxstatus8 & AR_MichaelErr)
+		else if ((ads.ds_rxstatus8 & AR_MichaelErr) &&
+		         rs->rs_keyix != ATH9K_RXKEYIX_INVALID)
 			rs->rs_status |= ATH9K_RXERR_MIC;
 	}
 

drivers/net/wireless/ath/ath9k/recv.c

@@ -870,15 +870,18 @@ static bool ath9k_rx_accept(struct ath_common *common,
 		if (rx_stats->rs_status & ATH9K_RXERR_DECRYPT) {
 			*decrypt_error = true;
 		} else if (rx_stats->rs_status & ATH9K_RXERR_MIC) {
-			if (ieee80211_is_ctl(fc))
-				/*
-				 * Sometimes, we get invalid
-				 * MIC failures on valid control frames.
-				 * Remove these mic errors.
-				 */
-				rx_stats->rs_status &= ~ATH9K_RXERR_MIC;
-			else
+			/*
+			 * The MIC error bit is only valid if the frame
+			 * is not a control frame or fragment, and it was
+			 * decrypted using a valid TKIP key.
+			 */
+			if (!ieee80211_is_ctl(fc) &&
+			    !ieee80211_has_morefrags(fc) &&
+			    !(le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG) &&
+			    test_bit(rx_stats->rs_keyix, common->tkip_keymap))
 				rxs->flag |= RX_FLAG_MMIC_ERROR;
+			else
+				rx_stats->rs_status &= ~ATH9K_RXERR_MIC;
 		}
 		/*
 		 * Reject error frames with the exception of

drivers/net/wireless/b43/phy_n.c

@@ -3092,6 +3092,8 @@ static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
 	struct b43_phy_n *nphy = phy->n;
 	u16 buf[16];
 
+	nphy->phyrxchain = mask;
+
 	if (0 /* FIXME clk */)
 		return;
 
@@ -3103,7 +3105,7 @@ static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
 	b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
 			(mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
 
-	if (mask & 0x3 != 0x3) {
+	if ((mask & 0x3) != 0x3) {
 		b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
 		if (dev->phy.rev >= 3) {
 			/* TODO */

drivers/net/wireless/iwlwifi/iwl-1000.c

@@ -130,7 +130,7 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv)
 			sizeof(struct iwlagn_scd_bc_tbl);
 	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 	priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
-	priv->hw_params.bcast_sta_id = IWLAGN_BROADCAST_ID;
+	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
 
 	priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
 	priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
@@ -217,7 +217,7 @@ static struct iwl_lib_ops iwl1000_lib = {
 		.set_ct_kill = iwl1000_set_ct_threshold,
 	 },
 	.manage_ibss_station = iwlagn_manage_ibss_station,
-	.update_bcast_station = iwl_update_bcast_station,
+	.update_bcast_stations = iwl_update_bcast_stations,
 	.debugfs_ops = {
 		.rx_stats_read = iwl_ucode_rx_stats_read,
 		.tx_stats_read = iwl_ucode_tx_stats_read,

drivers/net/wireless/iwlwifi/iwl-3945-hw.h

@@ -62,7 +62,7 @@
  *****************************************************************************/
 /*
  * Please use this file (iwl-3945-hw.h) only for hardware-related definitions.
- * Please use iwl-3945-commands.h for uCode API definitions.
+ * Please use iwl-commands.h for uCode API definitions.
  * Please use iwl-3945.h for driver implementation definitions.
  */
 
@@ -226,6 +226,7 @@ struct iwl3945_eeprom {
 
 /* 4 DATA + 1 CMD. There are 2 HCCA queues that are not used. */
 #define IWL39_NUM_QUEUES        5
+#define IWL39_CMD_QUEUE_NUM	4
 
 #define IWL_DEFAULT_TX_RETRY  15
 

drivers/net/wireless/iwlwifi/iwl-3945-rs.c

@@ -343,7 +343,7 @@ void iwl3945_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 s
 	int i;
 
 	IWL_DEBUG_INFO(priv, "enter\n");
-	if (sta_id == priv->hw_params.bcast_sta_id)
+	if (sta_id == priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id)
 		goto out;
 
 	psta = (struct iwl3945_sta_priv *) sta->drv_priv;
@@ -932,7 +932,7 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
 
 	rcu_read_lock();
 
-	sta = ieee80211_find_sta(priv->vif,
+	sta = ieee80211_find_sta(priv->contexts[IWL_RXON_CTX_BSS].vif,
 				 priv->stations[sta_id].sta.sta.addr);
 	if (!sta) {
 		IWL_DEBUG_RATE(priv, "Unable to find station to initialize rate scaling.\n");
@@ -949,7 +949,8 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
 	switch (priv->band) {
 	case IEEE80211_BAND_2GHZ:
 		/* TODO: this always does G, not a regression */
-		if (priv->active_rxon.flags & RXON_FLG_TGG_PROTECT_MSK) {
+		if (priv->contexts[IWL_RXON_CTX_BSS].active.flags &
+						RXON_FLG_TGG_PROTECT_MSK) {
 			rs_sta->tgg = 1;
 			rs_sta->expected_tpt = iwl3945_expected_tpt_g_prot;
 		} else

drivers/net/wireless/iwlwifi/iwl-3945.c

@@ -245,7 +245,7 @@ int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate)
 		break;
 	case IEEE80211_BAND_2GHZ:
 		if (!(priv->_3945.sta_supp_rates & IWL_OFDM_RATES_MASK) &&
-		    iwl_is_associated(priv)) {
+		    iwl_is_associated(priv, IWL_RXON_CTX_BSS)) {
 			if (rate == IWL_RATE_11M_INDEX)
 				next_rate = IWL_RATE_5M_INDEX;
 		}
@@ -273,7 +273,7 @@ static void iwl3945_tx_queue_reclaim(struct iwl_priv *priv,
 	struct iwl_queue *q = &txq->q;
 	struct iwl_tx_info *tx_info;
 
-	BUG_ON(txq_id == IWL_CMD_QUEUE_NUM);
+	BUG_ON(txq_id == IWL39_CMD_QUEUE_NUM);
 
 	for (index = iwl_queue_inc_wrap(index, q->n_bd); q->read_ptr != index;
 		q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
@@ -285,7 +285,7 @@ static void iwl3945_tx_queue_reclaim(struct iwl_priv *priv,
 	}
 
 	if (iwl_queue_space(q) > q->low_mark && (txq_id >= 0) &&
-			(txq_id != IWL_CMD_QUEUE_NUM) &&
+			(txq_id != IWL39_CMD_QUEUE_NUM) &&
 			priv->mac80211_registered)
 		iwl_wake_queue(priv, txq_id);
 }
@@ -760,7 +760,7 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
 		data_retry_limit = IWL_DEFAULT_TX_RETRY;
 	tx_cmd->data_retry_limit = data_retry_limit;
 
-	if (tx_id >= IWL_CMD_QUEUE_NUM)
+	if (tx_id >= IWL39_CMD_QUEUE_NUM)
 		rts_retry_limit = 3;
 	else
 		rts_retry_limit = 7;
@@ -909,7 +909,7 @@ static int iwl3945_txq_ctx_reset(struct iwl_priv *priv)
 
 	/* Tx queue(s) */
 	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
-		slots_num = (txq_id == IWL_CMD_QUEUE_NUM) ?
+		slots_num = (txq_id == IWL39_CMD_QUEUE_NUM) ?
 				TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
 		rc = iwl_tx_queue_init(priv, &priv->txq[txq_id], slots_num,
 				       txq_id);
@@ -1072,7 +1072,7 @@ void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv)
 	if (priv->txq)
 		for (txq_id = 0; txq_id < priv->hw_params.max_txq_num;
 		     txq_id++)
-			if (txq_id == IWL_CMD_QUEUE_NUM)
+			if (txq_id == IWL39_CMD_QUEUE_NUM)
 				iwl_cmd_queue_free(priv);
 			else
 				iwl_tx_queue_free(priv, txq_id);
@@ -1439,17 +1439,18 @@ static int iwl3945_send_tx_power(struct iwl_priv *priv)
 	int rate_idx, i;
 	const struct iwl_channel_info *ch_info = NULL;
 	struct iwl3945_txpowertable_cmd txpower = {
-		.channel = priv->active_rxon.channel,
+		.channel = priv->contexts[IWL_RXON_CTX_BSS].active.channel,
 	};
+	u16 chan;
+
+	chan = le16_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.channel);
 
 	txpower.band = (priv->band == IEEE80211_BAND_5GHZ) ? 0 : 1;
-	ch_info = iwl_get_channel_info(priv,
-				       priv->band,
-				       le16_to_cpu(priv->active_rxon.channel));
+	ch_info = iwl_get_channel_info(priv, priv->band, chan);
 	if (!ch_info) {
 		IWL_ERR(priv,
 			"Failed to get channel info for channel %d [%d]\n",
-			le16_to_cpu(priv->active_rxon.channel), priv->band);
+			chan, priv->band);
 		return -EINVAL;
 	}
 
@@ -1710,7 +1711,8 @@ int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power)
 	return 0;
 }
 
-static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
+static int iwl3945_send_rxon_assoc(struct iwl_priv *priv,
+				   struct iwl_rxon_context *ctx)
 {
 	int rc = 0;
 	struct iwl_rx_packet *pkt;
@@ -1721,8 +1723,8 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
 		.flags = CMD_WANT_SKB,
 		.data = &rxon_assoc,
 	};
-	const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
-	const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
+	const struct iwl_rxon_cmd *rxon1 = &ctx->staging;
+	const struct iwl_rxon_cmd *rxon2 = &ctx->active;
 
 	if ((rxon1->flags == rxon2->flags) &&
 	    (rxon1->filter_flags == rxon2->filter_flags) &&
@@ -1732,10 +1734,10 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
 		return 0;
 	}
 
-	rxon_assoc.flags = priv->staging_rxon.flags;
-	rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
-	rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
-	rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
+	rxon_assoc.flags = ctx->staging.flags;
+	rxon_assoc.filter_flags = ctx->staging.filter_flags;
+	rxon_assoc.ofdm_basic_rates = ctx->staging.ofdm_basic_rates;
+	rxon_assoc.cck_basic_rates = ctx->staging.cck_basic_rates;
 	rxon_assoc.reserved = 0;
 
 	rc = iwl_send_cmd_sync(priv, &cmd);
@@ -1761,14 +1763,14 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
  * function correctly transitions out of the RXON_ASSOC_MSK state if
  * a HW tune is required based on the RXON structure changes.
  */
-static int iwl3945_commit_rxon(struct iwl_priv *priv)
+static int iwl3945_commit_rxon(struct iwl_priv *priv,
+			       struct iwl_rxon_context *ctx)
 {
 	/* cast away the const for active_rxon in this function */
-	struct iwl3945_rxon_cmd *active_rxon = (void *)&priv->active_rxon;
-	struct iwl3945_rxon_cmd *staging_rxon = (void *)&priv->staging_rxon;
+	struct iwl3945_rxon_cmd *active_rxon = (void *)&ctx->active;
+	struct iwl3945_rxon_cmd *staging_rxon = (void *)&ctx->staging;
 	int rc = 0;
-	bool new_assoc =
-		!!(priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK);
+	bool new_assoc = !!(staging_rxon->filter_flags & RXON_FILTER_ASSOC_MSK);
 
 	if (!iwl_is_alive(priv))
 		return -1;
@@ -1781,7 +1783,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	    ~(RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_SEL_MSK);
 	staging_rxon->flags |= iwl3945_get_antenna_flags(priv);
 
-	rc = iwl_check_rxon_cmd(priv);
+	rc = iwl_check_rxon_cmd(priv, ctx);
 	if (rc) {
 		IWL_ERR(priv, "Invalid RXON configuration.  Not committing.\n");
 		return -EINVAL;
@@ -1790,8 +1792,9 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	/* If we don't need to send a full RXON, we can use
 	 * iwl3945_rxon_assoc_cmd which is used to reconfigure filter
 	 * and other flags for the current radio configuration. */
-	if (!iwl_full_rxon_required(priv)) {
-		rc = iwl_send_rxon_assoc(priv);
+	if (!iwl_full_rxon_required(priv, &priv->contexts[IWL_RXON_CTX_BSS])) {
+		rc = iwl_send_rxon_assoc(priv,
+					 &priv->contexts[IWL_RXON_CTX_BSS]);
 		if (rc) {
 			IWL_ERR(priv, "Error setting RXON_ASSOC "
 				  "configuration (%d).\n", rc);
@@ -1807,7 +1810,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	 * an RXON_ASSOC and the new config wants the associated mask enabled,
 	 * we must clear the associated from the active configuration
 	 * before we apply the new config */
-	if (iwl_is_associated(priv) && new_assoc) {
+	if (iwl_is_associated(priv, IWL_RXON_CTX_BSS) && new_assoc) {
 		IWL_DEBUG_INFO(priv, "Toggling associated bit on current RXON\n");
 		active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 
@@ -1819,7 +1822,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 		active_rxon->reserved5 = 0;
 		rc = iwl_send_cmd_pdu(priv, REPLY_RXON,
 				      sizeof(struct iwl3945_rxon_cmd),
-				      &priv->active_rxon);
+				      &priv->contexts[IWL_RXON_CTX_BSS].active);
 
 		/* If the mask clearing failed then we set
 		 * active_rxon back to what it was previously */
@@ -1829,8 +1832,9 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 				  "configuration (%d).\n", rc);
 			return rc;
 		}
-		iwl_clear_ucode_stations(priv);
-		iwl_restore_stations(priv);
+		iwl_clear_ucode_stations(priv,
+					 &priv->contexts[IWL_RXON_CTX_BSS]);
+		iwl_restore_stations(priv, &priv->contexts[IWL_RXON_CTX_BSS]);
 	}
 
 	IWL_DEBUG_INFO(priv, "Sending RXON\n"
@@ -1848,7 +1852,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	staging_rxon->reserved4 = 0;
 	staging_rxon->reserved5 = 0;
 
-	iwl_set_rxon_hwcrypto(priv, !iwl3945_mod_params.sw_crypto);
+	iwl_set_rxon_hwcrypto(priv, ctx, !iwl3945_mod_params.sw_crypto);
 
 	/* Apply the new configuration */
 	rc = iwl_send_cmd_pdu(priv, REPLY_RXON,
@@ -1862,8 +1866,9 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	memcpy(active_rxon, staging_rxon, sizeof(*active_rxon));
 
 	if (!new_assoc) {
-		iwl_clear_ucode_stations(priv);
-		iwl_restore_stations(priv);
+		iwl_clear_ucode_stations(priv,
+					 &priv->contexts[IWL_RXON_CTX_BSS]);
+		iwl_restore_stations(priv, &priv->contexts[IWL_RXON_CTX_BSS]);
 	}
 
 	/* If we issue a new RXON command which required a tune then we must
@@ -2302,8 +2307,10 @@ static int iwl3945_manage_ibss_station(struct iwl_priv *priv,
 	int ret;
 
 	if (add) {
-		ret = iwl_add_bssid_station(priv, vif->bss_conf.bssid, false,
-					    &vif_priv->ibss_bssid_sta_id);
+		ret = iwl_add_bssid_station(
+				priv, &priv->contexts[IWL_RXON_CTX_BSS],
+				vif->bss_conf.bssid, false,
+				&vif_priv->ibss_bssid_sta_id);
 		if (ret)
 			return ret;
 
@@ -2366,7 +2373,7 @@ int iwl3945_init_hw_rate_table(struct iwl_priv *priv)
 		 * 1M CCK rates */
 
 		if (!(priv->_3945.sta_supp_rates & IWL_OFDM_RATES_MASK) &&
-		    iwl_is_associated(priv)) {
+		    iwl_is_associated(priv, IWL_RXON_CTX_BSS)) {
 
 			index = IWL_FIRST_CCK_RATE;
 			for (i = IWL_RATE_6M_INDEX_TABLE;
@@ -2421,7 +2428,9 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv)
 	priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
 	priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
 	priv->hw_params.max_stations = IWL3945_STATION_COUNT;
-	priv->hw_params.bcast_sta_id = IWL3945_BROADCAST_ID;
+	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWL3945_BROADCAST_ID;
+
+	priv->sta_key_max_num = STA_KEY_MAX_NUM;
 
 	priv->hw_params.rx_wrt_ptr_reg = FH39_RSCSR_CHNL0_WPTR;
 	priv->hw_params.max_beacon_itrvl = IWL39_MAX_UCODE_BEACON_INTERVAL;
@@ -2439,7 +2448,8 @@ unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv,
 	tx_beacon_cmd = (struct iwl3945_tx_beacon_cmd *)&frame->u;
 	memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
 
-	tx_beacon_cmd->tx.sta_id = priv->hw_params.bcast_sta_id;
+	tx_beacon_cmd->tx.sta_id =
+		priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id;
 	tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
 
 	frame_size = iwl3945_fill_beacon_frame(priv,

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -347,7 +347,7 @@ static void iwl4965_chain_noise_reset(struct iwl_priv *priv)
 	struct iwl_chain_noise_data *data = &(priv->chain_noise_data);
 
 	if ((data->state == IWL_CHAIN_NOISE_ALIVE) &&
-	     iwl_is_associated(priv)) {
+	    iwl_is_any_associated(priv)) {
 		struct iwl_calib_diff_gain_cmd cmd;
 
 		/* clear data for chain noise calibration algorithm */
@@ -576,7 +576,7 @@ static int iwl4965_alive_notify(struct iwl_priv *priv)
 	/* Activate all Tx DMA/FIFO channels */
 	priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 6));
 
-	iwl4965_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0);
+	iwl4965_set_wr_ptrs(priv, IWL_DEFAULT_CMD_QUEUE_NUM, 0);
 
 	/* make sure all queue are not stopped */
 	memset(&priv->queue_stopped[0], 0, sizeof(priv->queue_stopped));
@@ -587,6 +587,7 @@ static int iwl4965_alive_notify(struct iwl_priv *priv)
 	priv->txq_ctx_active_msk = 0;
 	/* Map each Tx/cmd queue to its corresponding fifo */
 	BUILD_BUG_ON(ARRAY_SIZE(default_queue_to_tx_fifo) != 7);
+
 	for (i = 0; i < ARRAY_SIZE(default_queue_to_tx_fifo); i++) {
 		int ac = default_queue_to_tx_fifo[i];
 
@@ -656,7 +657,7 @@ static int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
 			sizeof(struct iwl4965_scd_bc_tbl);
 	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 	priv->hw_params.max_stations = IWL4965_STATION_COUNT;
-	priv->hw_params.bcast_sta_id = IWL4965_BROADCAST_ID;
+	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWL4965_BROADCAST_ID;
 	priv->hw_params.max_data_size = IWL49_RTC_DATA_SIZE;
 	priv->hw_params.max_inst_size = IWL49_RTC_INST_SIZE;
 	priv->hw_params.max_bsm_size = BSM_SRAM_SIZE;
@@ -1374,6 +1375,7 @@ static int iwl4965_send_tx_power(struct iwl_priv *priv)
 	u8 band = 0;
 	bool is_ht40 = false;
 	u8 ctrl_chan_high = 0;
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	if (test_bit(STATUS_SCANNING, &priv->status)) {
 		/* If this gets hit a lot, switch it to a BUG() and catch
@@ -1385,17 +1387,16 @@ static int iwl4965_send_tx_power(struct iwl_priv *priv)
 
 	band = priv->band == IEEE80211_BAND_2GHZ;
 
-	is_ht40 =  is_ht40_channel(priv->active_rxon.flags);
+	is_ht40 = is_ht40_channel(ctx->active.flags);
 
-	if (is_ht40 &&
-	    (priv->active_rxon.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
+	if (is_ht40 && (ctx->active.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
 		ctrl_chan_high = 1;
 
 	cmd.band = band;
-	cmd.channel = priv->active_rxon.channel;
+	cmd.channel = ctx->active.channel;
 
 	ret = iwl4965_fill_txpower_tbl(priv, band,
-				le16_to_cpu(priv->active_rxon.channel),
+				le16_to_cpu(ctx->active.channel),
 				is_ht40, ctrl_chan_high, &cmd.tx_power);
 	if (ret)
 		goto out;
@@ -1406,12 +1407,13 @@ out:
 	return ret;
 }
 
-static int iwl4965_send_rxon_assoc(struct iwl_priv *priv)
+static int iwl4965_send_rxon_assoc(struct iwl_priv *priv,
+				   struct iwl_rxon_context *ctx)
 {
 	int ret = 0;
 	struct iwl4965_rxon_assoc_cmd rxon_assoc;
-	const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
-	const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
+	const struct iwl_rxon_cmd *rxon1 = &ctx->staging;
+	const struct iwl_rxon_cmd *rxon2 = &ctx->active;
 
 	if ((rxon1->flags == rxon2->flags) &&
 	    (rxon1->filter_flags == rxon2->filter_flags) &&
@@ -1426,16 +1428,16 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv)
 		return 0;
 	}
 
-	rxon_assoc.flags = priv->staging_rxon.flags;
-	rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
-	rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
-	rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
+	rxon_assoc.flags = ctx->staging.flags;
+	rxon_assoc.filter_flags = ctx->staging.filter_flags;
+	rxon_assoc.ofdm_basic_rates = ctx->staging.ofdm_basic_rates;
+	rxon_assoc.cck_basic_rates = ctx->staging.cck_basic_rates;
 	rxon_assoc.reserved = 0;
 	rxon_assoc.ofdm_ht_single_stream_basic_rates =
-	    priv->staging_rxon.ofdm_ht_single_stream_basic_rates;
+	    ctx->staging.ofdm_ht_single_stream_basic_rates;
 	rxon_assoc.ofdm_ht_dual_stream_basic_rates =
-	    priv->staging_rxon.ofdm_ht_dual_stream_basic_rates;
-	rxon_assoc.rx_chain_select_flags = priv->staging_rxon.rx_chain;
+	    ctx->staging.ofdm_ht_dual_stream_basic_rates;
+	rxon_assoc.rx_chain_select_flags = ctx->staging.rx_chain;
 
 	ret = iwl_send_cmd_pdu_async(priv, REPLY_RXON_ASSOC,
 				     sizeof(rxon_assoc), &rxon_assoc, NULL);
@@ -1448,6 +1450,7 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv)
 static int iwl4965_hw_channel_switch(struct iwl_priv *priv,
 				     struct ieee80211_channel_switch *ch_switch)
 {
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	int rc;
 	u8 band = 0;
 	bool is_ht40 = false;
@@ -1458,22 +1461,22 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv,
 	u16 ch;
 	u32 tsf_low;
 	u8 switch_count;
-	u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval);
-	struct ieee80211_vif *vif = priv->vif;
+	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
+	struct ieee80211_vif *vif = ctx->vif;
 	band = priv->band == IEEE80211_BAND_2GHZ;
 
-	is_ht40 = is_ht40_channel(priv->staging_rxon.flags);
+	is_ht40 = is_ht40_channel(ctx->staging.flags);
 
 	if (is_ht40 &&
-	    (priv->staging_rxon.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
+	    (ctx->staging.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
 		ctrl_chan_high = 1;
 
 	cmd.band = band;
 	cmd.expect_beacon = 0;
 	ch = ch_switch->channel->hw_value;
 	cmd.channel = cpu_to_le16(ch);
-	cmd.rxon_flags = priv->staging_rxon.flags;
-	cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
+	cmd.rxon_flags = ctx->staging.flags;
+	cmd.rxon_filter_flags = ctx->staging.filter_flags;
 	switch_count = ch_switch->count;
 	tsf_low = ch_switch->timestamp & 0x0ffffffff;
 	/*
@@ -1508,7 +1511,7 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv,
 		cmd.expect_beacon = is_channel_radar(ch_info);
 	else {
 		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
-			priv->active_rxon.channel, ch);
+			ctx->active.channel, ch);
 		return -EFAULT;
 	}
 
@@ -2007,7 +2010,7 @@ static u8 iwl_find_station(struct iwl_priv *priv, const u8 *addr)
 		start = IWL_STA_ID;
 
 	if (is_broadcast_ether_addr(addr))
-		return priv->hw_params.bcast_sta_id;
+		return priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id;
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
 	for (i = start; i < priv->hw_params.max_stations; i++)
@@ -2280,7 +2283,7 @@ static struct iwl_lib_ops iwl4965_lib = {
 		.set_ct_kill = iwl4965_set_ct_threshold,
 	},
 	.manage_ibss_station = iwlagn_manage_ibss_station,
-	.update_bcast_station = iwl_update_bcast_station,
+	.update_bcast_stations = iwl_update_bcast_stations,
 	.debugfs_ops = {
 		.rx_stats_read = iwl_ucode_rx_stats_read,
 		.tx_stats_read = iwl_ucode_tx_stats_read,

drivers/net/wireless/iwlwifi/iwl-5000-hw.h

@@ -62,7 +62,7 @@
  *****************************************************************************/
 /*
  * Please use this file (iwl-5000-hw.h) only for hardware-related definitions.
- * Use iwl-5000-commands.h for uCode API definitions.
+ * Use iwl-commands.h for uCode API definitions.
  */
 
 #ifndef __iwl_5000_hw_h__

drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -180,7 +180,7 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
 			sizeof(struct iwlagn_scd_bc_tbl);
 	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 	priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
-	priv->hw_params.bcast_sta_id = IWLAGN_BROADCAST_ID;
+	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
 
 	priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
 	priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
@@ -227,7 +227,7 @@ static int iwl5150_hw_set_hw_params(struct iwl_priv *priv)
 			sizeof(struct iwlagn_scd_bc_tbl);
 	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 	priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
-	priv->hw_params.bcast_sta_id = IWLAGN_BROADCAST_ID;
+	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
 
 	priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE;
 	priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE;
@@ -275,14 +275,19 @@ static void iwl5150_temperature(struct iwl_priv *priv)
 static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
 				     struct ieee80211_channel_switch *ch_switch)
 {
+	/*
+	 * MULTI-FIXME
+	 * See iwl_mac_channel_switch.
+	 */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	struct iwl5000_channel_switch_cmd cmd;
 	const struct iwl_channel_info *ch_info;
 	u32 switch_time_in_usec, ucode_switch_time;
 	u16 ch;
 	u32 tsf_low;
 	u8 switch_count;
-	u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval);
-	struct ieee80211_vif *vif = priv->vif;
+	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
+	struct ieee80211_vif *vif = ctx->vif;
 	struct iwl_host_cmd hcmd = {
 		.id = REPLY_CHANNEL_SWITCH,
 		.len = sizeof(cmd),
@@ -293,10 +298,10 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
 	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
 	ch = ch_switch->channel->hw_value;
 	IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
-		priv->active_rxon.channel, ch);
+		      ctx->active.channel, ch);
 	cmd.channel = cpu_to_le16(ch);
-	cmd.rxon_flags = priv->staging_rxon.flags;
-	cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
+	cmd.rxon_flags = ctx->staging.flags;
+	cmd.rxon_filter_flags = ctx->staging.filter_flags;
 	switch_count = ch_switch->count;
 	tsf_low = ch_switch->timestamp & 0x0ffffffff;
 	/*
@@ -331,7 +336,7 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
 		cmd.expect_beacon = is_channel_radar(ch_info);
 	else {
 		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
-			priv->active_rxon.channel, ch);
+			ctx->active.channel, ch);
 		return -EFAULT;
 	}
 	priv->switch_rxon.channel = cmd.channel;
@@ -393,7 +398,7 @@ static struct iwl_lib_ops iwl5000_lib = {
 		.set_ct_kill = iwl5000_set_ct_threshold,
 	 },
 	.manage_ibss_station = iwlagn_manage_ibss_station,
-	.update_bcast_station = iwl_update_bcast_station,
+	.update_bcast_stations = iwl_update_bcast_stations,
 	.debugfs_ops = {
 		.rx_stats_read = iwl_ucode_rx_stats_read,
 		.tx_stats_read = iwl_ucode_tx_stats_read,
@@ -464,7 +469,7 @@ static struct iwl_lib_ops iwl5150_lib = {
 		.set_ct_kill = iwl5150_set_ct_threshold,
 	 },
 	.manage_ibss_station = iwlagn_manage_ibss_station,
-	.update_bcast_station = iwl_update_bcast_station,
+	.update_bcast_stations = iwl_update_bcast_stations,
 	.debugfs_ops = {
 		.rx_stats_read = iwl_ucode_rx_stats_read,
 		.tx_stats_read = iwl_ucode_tx_stats_read,

drivers/net/wireless/iwlwifi/iwl-6000-hw.h

@@ -62,7 +62,7 @@
  *****************************************************************************/
 /*
  * Please use this file (iwl-6000-hw.h) only for hardware-related definitions.
- * Use iwl-5000-commands.h for uCode API definitions.
+ * Use iwl-commands.h for uCode API definitions.
  */
 
 #ifndef __iwl_6000_hw_h__

drivers/net/wireless/iwlwifi/iwl-6000.c

@@ -52,7 +52,7 @@
 /* Highest firmware API version supported */
 #define IWL6000_UCODE_API_MAX 4
 #define IWL6050_UCODE_API_MAX 4
-#define IWL6000G2_UCODE_API_MAX 4
+#define IWL6000G2_UCODE_API_MAX 5
 
 /* Lowest firmware API version supported */
 #define IWL6000_UCODE_API_MIN 4
@@ -161,7 +161,7 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 			sizeof(struct iwlagn_scd_bc_tbl);
 	priv->hw_params.tfd_size = sizeof(struct iwl_tfd);
 	priv->hw_params.max_stations = IWLAGN_STATION_COUNT;
-	priv->hw_params.bcast_sta_id = IWLAGN_BROADCAST_ID;
+	priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID;
 
 	priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE;
 	priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE;
@@ -198,14 +198,19 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
 				     struct ieee80211_channel_switch *ch_switch)
 {
+	/*
+	 * MULTI-FIXME
+	 * See iwl_mac_channel_switch.
+	 */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	struct iwl6000_channel_switch_cmd cmd;
 	const struct iwl_channel_info *ch_info;
 	u32 switch_time_in_usec, ucode_switch_time;
 	u16 ch;
 	u32 tsf_low;
 	u8 switch_count;
-	u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval);
-	struct ieee80211_vif *vif = priv->vif;
+	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
+	struct ieee80211_vif *vif = ctx->vif;
 	struct iwl_host_cmd hcmd = {
 		.id = REPLY_CHANNEL_SWITCH,
 		.len = sizeof(cmd),
@@ -216,10 +221,10 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
 	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
 	ch = ch_switch->channel->hw_value;
 	IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
-		      priv->active_rxon.channel, ch);
+		      ctx->active.channel, ch);
 	cmd.channel = cpu_to_le16(ch);
-	cmd.rxon_flags = priv->staging_rxon.flags;
-	cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
+	cmd.rxon_flags = ctx->staging.flags;
+	cmd.rxon_filter_flags = ctx->staging.filter_flags;
 	switch_count = ch_switch->count;
 	tsf_low = ch_switch->timestamp & 0x0ffffffff;
 	/*
@@ -254,7 +259,7 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
 		cmd.expect_beacon = is_channel_radar(ch_info);
 	else {
 		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
-			priv->active_rxon.channel, ch);
+			ctx->active.channel, ch);
 		return -EFAULT;
 	}
 	priv->switch_rxon.channel = cmd.channel;
@@ -318,7 +323,82 @@ static struct iwl_lib_ops iwl6000_lib = {
 		.set_calib_version = iwl6000_set_calib_version,
 	 },
 	.manage_ibss_station = iwlagn_manage_ibss_station,
-	.update_bcast_station = iwl_update_bcast_station,
+	.update_bcast_stations = iwl_update_bcast_stations,
+	.debugfs_ops = {
+		.rx_stats_read = iwl_ucode_rx_stats_read,
+		.tx_stats_read = iwl_ucode_tx_stats_read,
+		.general_stats_read = iwl_ucode_general_stats_read,
+		.bt_stats_read = iwl_ucode_bt_stats_read,
+	},
+	.recover_from_tx_stall = iwl_bg_monitor_recover,
+	.check_plcp_health = iwl_good_plcp_health,
+	.check_ack_health = iwl_good_ack_health,
+	.txfifo_flush = iwlagn_txfifo_flush,
+	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
+	.tt_ops = {
+		.lower_power_detection = iwl_tt_is_low_power_state,
+		.tt_power_mode = iwl_tt_current_power_mode,
+		.ct_kill_check = iwl_check_for_ct_kill,
+	}
+};
+
+static struct iwl_lib_ops iwl6000g2b_lib = {
+	.set_hw_params = iwl6000_hw_set_hw_params,
+	.txq_update_byte_cnt_tbl = iwlagn_txq_update_byte_cnt_tbl,
+	.txq_inval_byte_cnt_tbl = iwlagn_txq_inval_byte_cnt_tbl,
+	.txq_set_sched = iwlagn_txq_set_sched,
+	.txq_agg_enable = iwlagn_txq_agg_enable,
+	.txq_agg_disable = iwlagn_txq_agg_disable,
+	.txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd,
+	.txq_free_tfd = iwl_hw_txq_free_tfd,
+	.txq_init = iwl_hw_tx_queue_init,
+	.rx_handler_setup = iwlagn_bt_rx_handler_setup,
+	.setup_deferred_work = iwlagn_bt_setup_deferred_work,
+	.cancel_deferred_work = iwlagn_bt_cancel_deferred_work,
+	.is_valid_rtc_data_addr = iwlagn_hw_valid_rtc_data_addr,
+	.load_ucode = iwlagn_load_ucode,
+	.dump_nic_event_log = iwl_dump_nic_event_log,
+	.dump_nic_error_log = iwl_dump_nic_error_log,
+	.dump_csr = iwl_dump_csr,
+	.dump_fh = iwl_dump_fh,
+	.init_alive_start = iwlagn_init_alive_start,
+	.alive_notify = iwlagn_alive_notify,
+	.send_tx_power = iwlagn_send_tx_power,
+	.update_chain_flags = iwl_update_chain_flags,
+	.set_channel_switch = iwl6000_hw_channel_switch,
+	.apm_ops = {
+		.init = iwl_apm_init,
+		.stop = iwl_apm_stop,
+		.config = iwl6000_nic_config,
+		.set_pwr_src = iwl_set_pwr_src,
+	},
+	.eeprom_ops = {
+		.regulatory_bands = {
+			EEPROM_REG_BAND_1_CHANNELS,
+			EEPROM_REG_BAND_2_CHANNELS,
+			EEPROM_REG_BAND_3_CHANNELS,
+			EEPROM_REG_BAND_4_CHANNELS,
+			EEPROM_REG_BAND_5_CHANNELS,
+			EEPROM_6000_REG_BAND_24_HT40_CHANNELS,
+			EEPROM_REG_BAND_52_HT40_CHANNELS
+		},
+		.verify_signature  = iwlcore_eeprom_verify_signature,
+		.acquire_semaphore = iwlcore_eeprom_acquire_semaphore,
+		.release_semaphore = iwlcore_eeprom_release_semaphore,
+		.calib_version	= iwlagn_eeprom_calib_version,
+		.query_addr = iwlagn_eeprom_query_addr,
+		.update_enhanced_txpower = iwlcore_eeprom_enhanced_txpower,
+	},
+	.post_associate = iwl_post_associate,
+	.isr = iwl_isr_ict,
+	.config_ap = iwl_config_ap,
+	.temp_ops = {
+		.temperature = iwlagn_temperature,
+		.set_ct_kill = iwl6000_set_ct_threshold,
+		.set_calib_version = iwl6000_set_calib_version,
+	 },
+	.manage_ibss_station = iwlagn_manage_ibss_station,
+	.update_bcast_stations = iwl_update_bcast_stations,
 	.debugfs_ops = {
 		.rx_stats_read = iwl_ucode_rx_stats_read,
 		.tx_stats_read = iwl_ucode_tx_stats_read,
@@ -344,21 +424,9 @@ static const struct iwl_ops iwl6000_ops = {
 	.led = &iwlagn_led_ops,
 };
 
-static void do_not_send_bt_config(struct iwl_priv *priv)
-{
-}
-
-static struct iwl_hcmd_ops iwl6000g2b_hcmd = {
-	.rxon_assoc = iwlagn_send_rxon_assoc,
-	.commit_rxon = iwl_commit_rxon,
-	.set_rxon_chain = iwl_set_rxon_chain,
-	.set_tx_ant = iwlagn_send_tx_ant_config,
-	.send_bt_config = do_not_send_bt_config,
-};
-
 static const struct iwl_ops iwl6000g2b_ops = {
-	.lib = &iwl6000_lib,
-	.hcmd = &iwl6000g2b_hcmd,
+	.lib = &iwl6000g2b_lib,
+	.hcmd = &iwlagn_bt_hcmd,
 	.utils = &iwlagn_hcmd_utils,
 	.led = &iwlagn_led_ops,
 };
@@ -499,7 +567,7 @@ struct iwl_cfg iwl6000g2b_2agn_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
-	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE,
 	.chain_noise_scale = 1000,
 	.monitor_recover_period = IWL_LONG_MONITORING_PERIOD,
 	.max_event_log_size = 512,
@@ -507,6 +575,11 @@ struct iwl_cfg iwl6000g2b_2agn_cfg = {
 	.chain_noise_calib_by_driver = true,
 	.need_dc_calib = true,
 	.bt_statistics = true,
+	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
+	.scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A,
+	.advanced_bt_coexist = true,
+	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
+	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 };
 
 struct iwl_cfg iwl6000g2b_2abg_cfg = {
@@ -535,7 +608,7 @@ struct iwl_cfg iwl6000g2b_2abg_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
-	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE,
 	.chain_noise_scale = 1000,
 	.monitor_recover_period = IWL_LONG_MONITORING_PERIOD,
 	.max_event_log_size = 512,
@@ -543,6 +616,11 @@ struct iwl_cfg iwl6000g2b_2abg_cfg = {
 	.chain_noise_calib_by_driver = true,
 	.need_dc_calib = true,
 	.bt_statistics = true,
+	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
+	.scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A,
+	.advanced_bt_coexist = true,
+	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
+	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 };
 
 struct iwl_cfg iwl6000g2b_2bgn_cfg = {
@@ -573,7 +651,7 @@ struct iwl_cfg iwl6000g2b_2bgn_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
-	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE,
 	.chain_noise_scale = 1000,
 	.monitor_recover_period = IWL_LONG_MONITORING_PERIOD,
 	.max_event_log_size = 512,
@@ -581,6 +659,11 @@ struct iwl_cfg iwl6000g2b_2bgn_cfg = {
 	.chain_noise_calib_by_driver = true,
 	.need_dc_calib = true,
 	.bt_statistics = true,
+	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
+	.scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A,
+	.advanced_bt_coexist = true,
+	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
+	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 };
 
 struct iwl_cfg iwl6000g2b_2bg_cfg = {
@@ -609,7 +692,7 @@ struct iwl_cfg iwl6000g2b_2bg_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
-	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE,
 	.chain_noise_scale = 1000,
 	.monitor_recover_period = IWL_LONG_MONITORING_PERIOD,
 	.max_event_log_size = 512,
@@ -617,6 +700,11 @@ struct iwl_cfg iwl6000g2b_2bg_cfg = {
 	.chain_noise_calib_by_driver = true,
 	.need_dc_calib = true,
 	.bt_statistics = true,
+	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
+	.scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A,
+	.advanced_bt_coexist = true,
+	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
+	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 };
 
 struct iwl_cfg iwl6000g2b_bgn_cfg = {
@@ -647,7 +735,7 @@ struct iwl_cfg iwl6000g2b_bgn_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
-	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE,
 	.chain_noise_scale = 1000,
 	.monitor_recover_period = IWL_LONG_MONITORING_PERIOD,
 	.max_event_log_size = 512,
@@ -655,6 +743,11 @@ struct iwl_cfg iwl6000g2b_bgn_cfg = {
 	.chain_noise_calib_by_driver = true,
 	.need_dc_calib = true,
 	.bt_statistics = true,
+	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
+	.scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A,
+	.advanced_bt_coexist = true,
+	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
+	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 };
 
 struct iwl_cfg iwl6000g2b_bg_cfg = {
@@ -683,7 +776,7 @@ struct iwl_cfg iwl6000g2b_bg_cfg = {
 	.supports_idle = true,
 	.adv_thermal_throttle = true,
 	.support_ct_kill_exit = true,
-	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF,
+	.plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE,
 	.chain_noise_scale = 1000,
 	.monitor_recover_period = IWL_LONG_MONITORING_PERIOD,
 	.max_event_log_size = 512,
@@ -691,6 +784,11 @@ struct iwl_cfg iwl6000g2b_bg_cfg = {
 	.chain_noise_calib_by_driver = true,
 	.need_dc_calib = true,
 	.bt_statistics = true,
+	/* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */
+	.scan_tx_antennas[IEEE80211_BAND_2GHZ] = ANT_A,
+	.advanced_bt_coexist = true,
+	.bt_init_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_NONE,
+	.bt_prio_boost = IWLAGN_BT_PRIO_BOOST_DEFAULT,
 };
 
 /*

drivers/net/wireless/iwlwifi/iwl-agn-calib.c

@@ -625,7 +625,7 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv, void *resp)
 
 	data = &(priv->sensitivity_data);
 
-	if (!iwl_is_associated(priv)) {
+	if (!iwl_is_any_associated(priv)) {
 		IWL_DEBUG_CALIB(priv, "<< - not associated\n");
 		return;
 	}
@@ -763,6 +763,12 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp)
 	unsigned long flags;
 	struct statistics_rx_non_phy *rx_info;
 	u8 first_chain;
+	/*
+	 * MULTI-FIXME:
+	 * When we support multiple interfaces on different channels,
+	 * this must be modified/fixed.
+	 */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	if (priv->disable_chain_noise_cal)
 		return;
@@ -793,8 +799,8 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp)
 		return;
 	}
 
-	rxon_band24 = !!(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK);
-	rxon_chnum = le16_to_cpu(priv->staging_rxon.channel);
+	rxon_band24 = !!(ctx->staging.flags & RXON_FLG_BAND_24G_MSK);
+	rxon_chnum = le16_to_cpu(ctx->staging.channel);
 	if (priv->cfg->bt_statistics) {
 		stat_band24 = !!(((struct iwl_bt_notif_statistics *)
 				 stat_resp)->flag &
@@ -914,7 +920,11 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp)
 	 * To be safe, simply mask out any chains that we know
 	 * are not on the device.
 	 */
-	active_chains &= priv->hw_params.valid_rx_ant;
+	if (priv->cfg->advanced_bt_coexist && priv->bt_full_concurrent) {
+		/* operated as 1x1 in full concurrency mode */
+		active_chains &= first_antenna(priv->hw_params.valid_rx_ant);
+	} else
+		active_chains &= priv->hw_params.valid_rx_ant;
 
 	num_tx_chains = 0;
 	for (i = 0; i < NUM_RX_CHAINS; i++) {

drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c

@@ -37,12 +37,13 @@
 #include "iwl-io.h"
 #include "iwl-agn.h"
 
-int iwlagn_send_rxon_assoc(struct iwl_priv *priv)
+int iwlagn_send_rxon_assoc(struct iwl_priv *priv,
+			   struct iwl_rxon_context *ctx)
 {
 	int ret = 0;
 	struct iwl5000_rxon_assoc_cmd rxon_assoc;
-	const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
-	const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
+	const struct iwl_rxon_cmd *rxon1 = &ctx->staging;
+	const struct iwl_rxon_cmd *rxon2 = &ctx->active;
 
 	if ((rxon1->flags == rxon2->flags) &&
 	    (rxon1->filter_flags == rxon2->filter_flags) &&
@@ -60,23 +61,23 @@ int iwlagn_send_rxon_assoc(struct iwl_priv *priv)
 		return 0;
 	}
 
-	rxon_assoc.flags = priv->staging_rxon.flags;
-	rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
-	rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
-	rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
+	rxon_assoc.flags = ctx->staging.flags;
+	rxon_assoc.filter_flags = ctx->staging.filter_flags;
+	rxon_assoc.ofdm_basic_rates = ctx->staging.ofdm_basic_rates;
+	rxon_assoc.cck_basic_rates = ctx->staging.cck_basic_rates;
 	rxon_assoc.reserved1 = 0;
 	rxon_assoc.reserved2 = 0;
 	rxon_assoc.reserved3 = 0;
 	rxon_assoc.ofdm_ht_single_stream_basic_rates =
-	    priv->staging_rxon.ofdm_ht_single_stream_basic_rates;
+	    ctx->staging.ofdm_ht_single_stream_basic_rates;
 	rxon_assoc.ofdm_ht_dual_stream_basic_rates =
-	    priv->staging_rxon.ofdm_ht_dual_stream_basic_rates;
-	rxon_assoc.rx_chain_select_flags = priv->staging_rxon.rx_chain;
+	    ctx->staging.ofdm_ht_dual_stream_basic_rates;
+	rxon_assoc.rx_chain_select_flags = ctx->staging.rx_chain;
 	rxon_assoc.ofdm_ht_triple_stream_basic_rates =
-		 priv->staging_rxon.ofdm_ht_triple_stream_basic_rates;
-	rxon_assoc.acquisition_data = priv->staging_rxon.acquisition_data;
+		 ctx->staging.ofdm_ht_triple_stream_basic_rates;
+	rxon_assoc.acquisition_data = ctx->staging.acquisition_data;
 
-	ret = iwl_send_cmd_pdu_async(priv, REPLY_RXON_ASSOC,
+	ret = iwl_send_cmd_pdu_async(priv, ctx->rxon_assoc_cmd,
 				     sizeof(rxon_assoc), &rxon_assoc, NULL);
 	if (ret)
 		return ret;
@@ -184,7 +185,7 @@ static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
 	int ret;
 
 	if ((data->state == IWL_CHAIN_NOISE_ALIVE) &&
-	     iwl_is_associated(priv)) {
+	    iwl_is_any_associated(priv)) {
 		struct iwl_calib_chain_noise_reset_cmd cmd;
 
 		/* clear data for chain noise calibration algorithm */
@@ -269,12 +270,95 @@ static int iwlagn_calc_rssi(struct iwl_priv *priv,
 	return max_rssi - agc - IWLAGN_RSSI_OFFSET;
 }
 
+static int iwlagn_set_pan_params(struct iwl_priv *priv)
+{
+	struct iwl_wipan_params_cmd cmd;
+	struct iwl_rxon_context *ctx_bss, *ctx_pan;
+	int slot0 = 300, slot1 = 0;
+	int ret;
+
+	if (priv->valid_contexts == BIT(IWL_RXON_CTX_BSS))
+		return 0;
+
+	BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
+
+	lockdep_assert_held(&priv->mutex);
+
+	ctx_bss = &priv->contexts[IWL_RXON_CTX_BSS];
+	ctx_pan = &priv->contexts[IWL_RXON_CTX_PAN];
+
+	memset(&cmd, 0, sizeof(cmd));
+
+	/* only 2 slots are currently allowed */
+	cmd.num_slots = 2;
+
+	cmd.slots[0].type = 0; /* BSS */
+	cmd.slots[1].type = 1; /* PAN */
+
+	if (ctx_bss->vif && ctx_pan->vif) {
+		int bcnint = ctx_pan->vif->bss_conf.beacon_int;
+
+		/* should be set, but seems unused?? */
+		cmd.flags |= cpu_to_le16(IWL_WIPAN_PARAMS_FLG_SLOTTED_MODE);
+
+		if (ctx_pan->vif->type == NL80211_IFTYPE_AP &&
+		    bcnint &&
+		    bcnint != ctx_bss->vif->bss_conf.beacon_int) {
+			IWL_ERR(priv,
+				"beacon intervals don't match (%d, %d)\n",
+				ctx_bss->vif->bss_conf.beacon_int,
+				ctx_pan->vif->bss_conf.beacon_int);
+		} else
+			bcnint = max_t(int, bcnint,
+				       ctx_bss->vif->bss_conf.beacon_int);
+		if (!bcnint)
+			bcnint = 100;
+		slot0 = bcnint / 2;
+		slot1 = bcnint - slot0;
+
+		if (test_bit(STATUS_SCAN_HW, &priv->status) ||
+		    (!ctx_bss->vif->bss_conf.idle &&
+		     !ctx_bss->vif->bss_conf.assoc)) {
+			slot0 = bcnint * 3 - 20;
+			slot1 = 20;
+		} else if (!ctx_pan->vif->bss_conf.idle &&
+                           !ctx_pan->vif->bss_conf.assoc) {
+			slot1 = bcnint * 3 - 20;
+			slot0 = 20;
+		}
+	} else if (ctx_pan->vif) {
+		slot0 = 0;
+		slot1 = max_t(int, 1, ctx_pan->vif->bss_conf.dtim_period) *
+					ctx_pan->vif->bss_conf.beacon_int;
+		slot1 = max_t(int, 100, slot1);
+	}
+
+	cmd.slots[0].width = cpu_to_le16(slot0);
+	cmd.slots[1].width = cpu_to_le16(slot1);
+
+	ret = iwl_send_cmd_pdu(priv, REPLY_WIPAN_PARAMS, sizeof(cmd), &cmd);
+	if (ret)
+		IWL_ERR(priv, "Error setting PAN parameters (%d)\n", ret);
+
+	return ret;
+}
+
 struct iwl_hcmd_ops iwlagn_hcmd = {
 	.rxon_assoc = iwlagn_send_rxon_assoc,
 	.commit_rxon = iwl_commit_rxon,
 	.set_rxon_chain = iwl_set_rxon_chain,
 	.set_tx_ant = iwlagn_send_tx_ant_config,
 	.send_bt_config = iwl_send_bt_config,
+	.set_pan_params = iwlagn_set_pan_params,
+};
+
+struct iwl_hcmd_ops iwlagn_bt_hcmd = {
+	.rxon_assoc = iwlagn_send_rxon_assoc,
+	.commit_rxon = iwl_commit_rxon,
+	.set_rxon_chain = iwl_set_rxon_chain,
+	.set_tx_ant = iwlagn_send_tx_ant_config,
+	.send_bt_config = iwlagn_send_advance_bt_config,
+	.set_pan_params = iwlagn_set_pan_params,
 };
 
 struct iwl_hcmd_utils_ops iwlagn_hcmd_utils = {

drivers/net/wireless/iwlwifi/iwl-agn-lib.c

@@ -247,7 +247,14 @@ static void iwlagn_rx_reply_tx(struct iwl_priv *priv,
 		struct iwl_ht_agg *agg;
 
 		agg = &priv->stations[sta_id].tid[tid].agg;
-
+		/*
+		 * If the BT kill count is non-zero, we'll get this
+		 * notification again.
+		 */
+		if (tx_resp->bt_kill_count && tx_resp->frame_count == 1 &&
+		    priv->cfg->advanced_bt_coexist) {
+			IWL_WARN(priv, "receive reply tx with bt_kill\n");
+		}
 		iwlagn_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
 
 		/* check if BAR is needed */
@@ -1156,6 +1163,7 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	};
 	struct iwl_scan_cmd *scan;
 	struct ieee80211_conf *conf = NULL;
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	u32 rate_flags = 0;
 	u16 cmd_len;
 	u16 rx_chain = 0;
@@ -1168,6 +1176,9 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	u8 active_chains;
 	u8 scan_tx_antennas = priv->hw_params.valid_tx_ant;
 
+	if (vif)
+		ctx = iwl_rxon_ctx_from_vif(vif);
+
 	conf = ieee80211_get_hw_conf(priv->hw);
 
 	cancel_delayed_work(&priv->scan_check);
@@ -1225,7 +1236,7 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH;
 	scan->quiet_time = IWL_ACTIVE_QUIET_TIME;
 
-	if (iwl_is_associated(priv)) {
+	if (iwl_is_any_associated(priv)) {
 		u16 interval = 0;
 		u32 extra;
 		u32 suspend_time = 100;
@@ -1276,13 +1287,15 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 		IWL_DEBUG_SCAN(priv, "Start passive scan.\n");
 
 	scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
-	scan->tx_cmd.sta_id = priv->hw_params.bcast_sta_id;
+	scan->tx_cmd.sta_id = ctx->bcast_sta_id;
 	scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
 
 	switch (priv->scan_band) {
 	case IEEE80211_BAND_2GHZ:
 		scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK;
-		chan_mod = le32_to_cpu(priv->active_rxon.flags & RXON_FLG_CHANNEL_MODE_MSK)
+		chan_mod = le32_to_cpu(
+			priv->contexts[IWL_RXON_CTX_BSS].active.flags &
+						RXON_FLG_CHANNEL_MODE_MSK)
 				       >> RXON_FLG_CHANNEL_MODE_POS;
 		if (chan_mod == CHANNEL_MODE_PURE_40) {
 			rate = IWL_RATE_6M_PLCP;
@@ -1290,6 +1303,12 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 			rate = IWL_RATE_1M_PLCP;
 			rate_flags = RATE_MCS_CCK_MSK;
 		}
+		/*
+		 * Internal scans are passive, so we can indiscriminately set
+		 * the BT ignore flag on 2.4 GHz since it applies to TX only.
+		 */
+		if (priv->cfg->advanced_bt_coexist)
+			scan->tx_cmd.tx_flags |= TX_CMD_FLG_IGNORE_BT;
 		scan->good_CRC_th = IWL_GOOD_CRC_TH_DISABLED;
 		break;
 	case IEEE80211_BAND_5GHZ:
@@ -1327,6 +1346,12 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	if (priv->cfg->scan_tx_antennas[band])
 		scan_tx_antennas = priv->cfg->scan_tx_antennas[band];
 
+	if (priv->cfg->advanced_bt_coexist && priv->bt_full_concurrent) {
+		/* operated as 1x1 in full concurrency mode */
+		scan_tx_antennas =
+			first_antenna(priv->cfg->scan_tx_antennas[band]);
+	}
+
 	priv->scan_tx_ant[band] = iwl_toggle_tx_ant(priv, priv->scan_tx_ant[band],
 						    scan_tx_antennas);
 	rate_flags |= iwl_ant_idx_to_flags(priv->scan_tx_ant[band]);
@@ -1345,6 +1370,11 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 
 		rx_ant = first_antenna(active_chains);
 	}
+	if (priv->cfg->advanced_bt_coexist && priv->bt_full_concurrent) {
+		/* operated as 1x1 in full concurrency mode */
+		rx_ant = first_antenna(rx_ant);
+	}
+
 	/* MIMO is not used here, but value is required */
 	rx_chain |= priv->hw_params.valid_rx_ant << RXON_RX_CHAIN_VALID_POS;
 	rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS;
@@ -1394,6 +1424,11 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	scan->len = cpu_to_le16(cmd.len);
 
 	set_bit(STATUS_SCAN_HW, &priv->status);
+
+	if (priv->cfg->ops->hcmd->set_pan_params &&
+	    priv->cfg->ops->hcmd->set_pan_params(priv))
+		goto done;
+
 	if (iwl_send_cmd_sync(priv, &cmd))
 		goto done;
 
@@ -1420,7 +1455,8 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
 
 	if (add)
-		return iwl_add_bssid_station(priv, vif->bss_conf.bssid, true,
+		return iwl_add_bssid_station(priv, vif_priv->ctx,
+					     vif->bss_conf.bssid, true,
 					     &vif_priv->ibss_bssid_sta_id);
 	return iwl_remove_station(priv, vif_priv->ibss_bssid_sta_id,
 				  vif->bss_conf.bssid);
@@ -1453,7 +1489,7 @@ int iwlagn_wait_tx_queue_empty(struct iwl_priv *priv)
 
 	/* waiting for all the tx frames complete might take a while */
 	for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
-		if (cnt == IWL_CMD_QUEUE_NUM)
+		if (cnt == priv->cmd_queue)
 			continue;
 		txq = &priv->txq[cnt];
 		q = &txq->q;
@@ -1518,3 +1554,377 @@ done:
 	ieee80211_wake_queues(priv->hw);
 	mutex_unlock(&priv->mutex);
 }
+
+/*
+ * BT coex
+ */
+/*
+ * Macros to access the lookup table.
+ *
+ * The lookup table has 7 inputs: bt3_prio, bt3_txrx, bt_rf_act, wifi_req,
+* wifi_prio, wifi_txrx and wifi_sh_ant_req.
+ *
+ * It has three outputs: WLAN_ACTIVE, WLAN_KILL and ANT_SWITCH
+ *
+ * The format is that "registers" 8 through 11 contain the WLAN_ACTIVE bits
+ * one after another in 32-bit registers, and "registers" 0 through 7 contain
+ * the WLAN_KILL and ANT_SWITCH bits interleaved (in that order).
+ *
+ * These macros encode that format.
+ */
+#define LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, wifi_req, wifi_prio, \
+		  wifi_txrx, wifi_sh_ant_req) \
+	(bt3_prio | (bt3_txrx << 1) | (bt_rf_act << 2) | (wifi_req << 3) | \
+	(wifi_prio << 4) | (wifi_txrx << 5) | (wifi_sh_ant_req << 6))
+
+#define LUT_PTA_WLAN_ACTIVE_OP(lut, op, val) \
+	lut[8 + ((val) >> 5)] op (cpu_to_le32(BIT((val) & 0x1f)))
+#define LUT_TEST_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+				 wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+	(!!(LUT_PTA_WLAN_ACTIVE_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, \
+				   bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
+				   wifi_sh_ant_req))))
+#define LUT_SET_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+				wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+	LUT_PTA_WLAN_ACTIVE_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, \
+			       bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
+			       wifi_sh_ant_req))
+#define LUT_CLEAR_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, \
+				  wifi_req, wifi_prio, wifi_txrx, \
+				  wifi_sh_ant_req) \
+	LUT_PTA_WLAN_ACTIVE_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, \
+			       bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
+			       wifi_sh_ant_req))
+
+#define LUT_WLAN_KILL_OP(lut, op, val) \
+	lut[(val) >> 4] op (cpu_to_le32(BIT(((val) << 1) & 0x1e)))
+#define LUT_TEST_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+			   wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+	(!!(LUT_WLAN_KILL_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+			     wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))))
+#define LUT_SET_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+			  wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+	LUT_WLAN_KILL_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+			 wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
+#define LUT_CLEAR_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+			    wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+	LUT_WLAN_KILL_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+			 wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
+
+#define LUT_ANT_SWITCH_OP(lut, op, val) \
+	lut[(val) >> 4] op (cpu_to_le32(BIT((((val) << 1) & 0x1e) + 1)))
+#define LUT_TEST_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+			    wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+	(!!(LUT_ANT_SWITCH_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+			      wifi_req, wifi_prio, wifi_txrx, \
+			      wifi_sh_ant_req))))
+#define LUT_SET_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+			   wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+	LUT_ANT_SWITCH_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+			  wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
+#define LUT_CLEAR_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
+			     wifi_prio, wifi_txrx, wifi_sh_ant_req) \
+	LUT_ANT_SWITCH_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
+			  wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
+
+static const __le32 iwlagn_def_3w_lookup[12] = {
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0xaeaaaaaa),
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0xcc00ff28),
+	cpu_to_le32(0x0000aaaa),
+	cpu_to_le32(0xcc00aaaa),
+	cpu_to_le32(0x0000aaaa),
+	cpu_to_le32(0xc0004000),
+	cpu_to_le32(0x00004000),
+	cpu_to_le32(0xf0005000),
+	cpu_to_le32(0xf0004000),
+};
+
+static const __le32 iwlagn_concurrent_lookup[12] = {
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0xaaaaaaaa),
+	cpu_to_le32(0x00000000),
+	cpu_to_le32(0x00000000),
+	cpu_to_le32(0x00000000),
+	cpu_to_le32(0x00000000),
+};
+
+void iwlagn_send_advance_bt_config(struct iwl_priv *priv)
+{
+	struct iwlagn_bt_cmd bt_cmd = {
+		.max_kill = IWLAGN_BT_MAX_KILL_DEFAULT,
+		.bt3_timer_t7_value = IWLAGN_BT3_T7_DEFAULT,
+		.bt3_prio_sample_time = IWLAGN_BT3_PRIO_SAMPLE_DEFAULT,
+		.bt3_timer_t2_value = IWLAGN_BT3_T2_DEFAULT,
+	};
+
+	BUILD_BUG_ON(sizeof(iwlagn_def_3w_lookup) !=
+			sizeof(bt_cmd.bt3_lookup_table));
+
+	bt_cmd.prio_boost = priv->cfg->bt_prio_boost;
+	bt_cmd.kill_ack_mask = priv->kill_ack_mask;
+	bt_cmd.kill_cts_mask = priv->kill_cts_mask;
+	bt_cmd.valid = priv->bt_valid;
+
+	/*
+	 * Configure BT coex mode to "no coexistence" when the
+	 * user disabled BT coexistence, we have no interface
+	 * (might be in monitor mode), or the interface is in
+	 * IBSS mode (no proper uCode support for coex then).
+	 */
+	if (!bt_coex_active || priv->iw_mode == NL80211_IFTYPE_ADHOC) {
+		bt_cmd.flags = 0;
+	} else {
+		bt_cmd.flags = IWLAGN_BT_FLAG_COEX_MODE_3W <<
+					IWLAGN_BT_FLAG_COEX_MODE_SHIFT;
+		if (priv->bt_ch_announce)
+			bt_cmd.flags |= IWLAGN_BT_FLAG_CHANNEL_INHIBITION;
+		IWL_DEBUG_INFO(priv, "BT coex flag: 0X%x\n", bt_cmd.flags);
+	}
+	if (priv->bt_full_concurrent)
+		memcpy(bt_cmd.bt3_lookup_table, iwlagn_concurrent_lookup,
+			sizeof(iwlagn_concurrent_lookup));
+	else
+		memcpy(bt_cmd.bt3_lookup_table, iwlagn_def_3w_lookup,
+			sizeof(iwlagn_def_3w_lookup));
+
+	IWL_DEBUG_INFO(priv, "BT coex %s in %s mode\n",
+		       bt_cmd.flags ? "active" : "disabled",
+		       priv->bt_full_concurrent ?
+		       "full concurrency" : "3-wire");
+
+	if (iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG, sizeof(bt_cmd), &bt_cmd))
+		IWL_ERR(priv, "failed to send BT Coex Config\n");
+
+	/*
+	 * When we are doing a restart, need to also reconfigure BT
+	 * SCO to the device. If not doing a restart, bt_sco_active
+	 * will always be false, so there's no need to have an extra
+	 * variable to check for it.
+	 */
+	if (priv->bt_sco_active) {
+		struct iwlagn_bt_sco_cmd sco_cmd = { .flags = 0 };
+
+		if (priv->bt_sco_active)
+			sco_cmd.flags |= IWLAGN_BT_SCO_ACTIVE;
+		if (iwl_send_cmd_pdu(priv, REPLY_BT_COEX_SCO,
+				     sizeof(sco_cmd), &sco_cmd))
+			IWL_ERR(priv, "failed to send BT SCO command\n");
+	}
+}
+
+static void iwlagn_bt_traffic_change_work(struct work_struct *work)
+{
+	struct iwl_priv *priv =
+		container_of(work, struct iwl_priv, bt_traffic_change_work);
+	struct iwl_rxon_context *ctx;
+	int smps_request = -1;
+
+	IWL_DEBUG_INFO(priv, "BT traffic load changes: %d\n",
+		       priv->bt_traffic_load);
+
+	switch (priv->bt_traffic_load) {
+	case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
+		smps_request = IEEE80211_SMPS_AUTOMATIC;
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
+		smps_request = IEEE80211_SMPS_DYNAMIC;
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
+	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
+		smps_request = IEEE80211_SMPS_STATIC;
+		break;
+	default:
+		IWL_ERR(priv, "Invalid BT traffic load: %d\n",
+			priv->bt_traffic_load);
+		break;
+	}
+
+	mutex_lock(&priv->mutex);
+
+	if (priv->cfg->ops->lib->update_chain_flags)
+		priv->cfg->ops->lib->update_chain_flags(priv);
+
+	if (smps_request != -1) {
+		for_each_context(priv, ctx) {
+			if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION)
+				ieee80211_request_smps(ctx->vif, smps_request);
+		}
+	}
+
+	mutex_unlock(&priv->mutex);
+}
+
+static void iwlagn_print_uartmsg(struct iwl_priv *priv,
+				struct iwl_bt_uart_msg *uart_msg)
+{
+	IWL_DEBUG_NOTIF(priv, "Message Type = 0x%X, SSN = 0x%X, "
+			"Update Req = 0x%X",
+		(BT_UART_MSG_FRAME1MSGTYPE_MSK & uart_msg->frame1) >>
+			BT_UART_MSG_FRAME1MSGTYPE_POS,
+		(BT_UART_MSG_FRAME1SSN_MSK & uart_msg->frame1) >>
+			BT_UART_MSG_FRAME1SSN_POS,
+		(BT_UART_MSG_FRAME1UPDATEREQ_MSK & uart_msg->frame1) >>
+			BT_UART_MSG_FRAME1UPDATEREQ_POS);
+
+	IWL_DEBUG_NOTIF(priv, "Open connections = 0x%X, Traffic load = 0x%X, "
+			"Chl_SeqN = 0x%X, In band = 0x%X",
+		(BT_UART_MSG_FRAME2OPENCONNECTIONS_MSK & uart_msg->frame2) >>
+			BT_UART_MSG_FRAME2OPENCONNECTIONS_POS,
+		(BT_UART_MSG_FRAME2TRAFFICLOAD_MSK & uart_msg->frame2) >>
+			BT_UART_MSG_FRAME2TRAFFICLOAD_POS,
+		(BT_UART_MSG_FRAME2CHLSEQN_MSK & uart_msg->frame2) >>
+			BT_UART_MSG_FRAME2CHLSEQN_POS,
+		(BT_UART_MSG_FRAME2INBAND_MSK & uart_msg->frame2) >>
+			BT_UART_MSG_FRAME2INBAND_POS);
+
+	IWL_DEBUG_NOTIF(priv, "SCO/eSCO = 0x%X, Sniff = 0x%X, A2DP = 0x%X, "
+			"ACL = 0x%X, Master = 0x%X, OBEX = 0x%X",
+		(BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3) >>
+			BT_UART_MSG_FRAME3SCOESCO_POS,
+		(BT_UART_MSG_FRAME3SNIFF_MSK & uart_msg->frame3) >>
+			BT_UART_MSG_FRAME3SNIFF_POS,
+		(BT_UART_MSG_FRAME3A2DP_MSK & uart_msg->frame3) >>
+			BT_UART_MSG_FRAME3A2DP_POS,
+		(BT_UART_MSG_FRAME3ACL_MSK & uart_msg->frame3) >>
+			BT_UART_MSG_FRAME3ACL_POS,
+		(BT_UART_MSG_FRAME3MASTER_MSK & uart_msg->frame3) >>
+			BT_UART_MSG_FRAME3MASTER_POS,
+		(BT_UART_MSG_FRAME3OBEX_MSK & uart_msg->frame3) >>
+			BT_UART_MSG_FRAME3OBEX_POS);
+
+	IWL_DEBUG_NOTIF(priv, "Idle duration = 0x%X",
+		(BT_UART_MSG_FRAME4IDLEDURATION_MSK & uart_msg->frame4) >>
+			BT_UART_MSG_FRAME4IDLEDURATION_POS);
+
+	IWL_DEBUG_NOTIF(priv, "Tx Activity = 0x%X, Rx Activity = 0x%X, "
+			"eSCO Retransmissions = 0x%X",
+		(BT_UART_MSG_FRAME5TXACTIVITY_MSK & uart_msg->frame5) >>
+			BT_UART_MSG_FRAME5TXACTIVITY_POS,
+		(BT_UART_MSG_FRAME5RXACTIVITY_MSK & uart_msg->frame5) >>
+			BT_UART_MSG_FRAME5RXACTIVITY_POS,
+		(BT_UART_MSG_FRAME5ESCORETRANSMIT_MSK & uart_msg->frame5) >>
+			BT_UART_MSG_FRAME5ESCORETRANSMIT_POS);
+
+	IWL_DEBUG_NOTIF(priv, "Sniff Interval = 0x%X, Discoverable = 0x%X",
+		(BT_UART_MSG_FRAME6SNIFFINTERVAL_MSK & uart_msg->frame6) >>
+			BT_UART_MSG_FRAME6SNIFFINTERVAL_POS,
+		(BT_UART_MSG_FRAME6DISCOVERABLE_MSK & uart_msg->frame6) >>
+			BT_UART_MSG_FRAME6DISCOVERABLE_POS);
+
+	IWL_DEBUG_NOTIF(priv, "Sniff Activity = 0x%X, Inquiry/Page SR Mode = "
+			"0x%X, Connectable = 0x%X",
+		(BT_UART_MSG_FRAME7SNIFFACTIVITY_MSK & uart_msg->frame7) >>
+			BT_UART_MSG_FRAME7SNIFFACTIVITY_POS,
+		(BT_UART_MSG_FRAME7INQUIRYPAGESRMODE_MSK & uart_msg->frame7) >>
+			BT_UART_MSG_FRAME7INQUIRYPAGESRMODE_POS,
+		(BT_UART_MSG_FRAME7CONNECTABLE_MSK & uart_msg->frame7) >>
+			BT_UART_MSG_FRAME7CONNECTABLE_POS);
+}
+
+static void iwlagn_set_kill_ack_msk(struct iwl_priv *priv,
+				     struct iwl_bt_uart_msg *uart_msg)
+{
+	u8 kill_ack_msk;
+	__le32 bt_kill_ack_msg[2] = {
+			cpu_to_le32(0xFFFFFFF), cpu_to_le32(0xFFFFFC00) };
+
+	kill_ack_msk = (((BT_UART_MSG_FRAME3A2DP_MSK |
+			BT_UART_MSG_FRAME3SNIFF_MSK |
+			BT_UART_MSG_FRAME3SCOESCO_MSK) &
+			uart_msg->frame3) == 0) ? 1 : 0;
+	if (priv->kill_ack_mask != bt_kill_ack_msg[kill_ack_msk]) {
+		priv->bt_valid |= IWLAGN_BT_VALID_KILL_ACK_MASK;
+		priv->kill_ack_mask = bt_kill_ack_msg[kill_ack_msk];
+		/* schedule to send runtime bt_config */
+		queue_work(priv->workqueue, &priv->bt_runtime_config);
+	}
+
+}
+
+void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
+					     struct iwl_rx_mem_buffer *rxb)
+{
+	unsigned long flags;
+	struct iwl_rx_packet *pkt = rxb_addr(rxb);
+	struct iwl_bt_coex_profile_notif *coex = &pkt->u.bt_coex_profile_notif;
+	struct iwlagn_bt_sco_cmd sco_cmd = { .flags = 0 };
+	struct iwl_bt_uart_msg *uart_msg = &coex->last_bt_uart_msg;
+	u8 last_traffic_load;
+
+	IWL_DEBUG_NOTIF(priv, "BT Coex notification:\n");
+	IWL_DEBUG_NOTIF(priv, "    status: %d\n", coex->bt_status);
+	IWL_DEBUG_NOTIF(priv, "    traffic load: %d\n", coex->bt_traffic_load);
+	IWL_DEBUG_NOTIF(priv, "    CI compliance: %d\n",
+			coex->bt_ci_compliance);
+	iwlagn_print_uartmsg(priv, uart_msg);
+
+	last_traffic_load = priv->notif_bt_traffic_load;
+	priv->notif_bt_traffic_load = coex->bt_traffic_load;
+	if (priv->iw_mode != NL80211_IFTYPE_ADHOC) {
+		if (priv->bt_status != coex->bt_status ||
+		    last_traffic_load != coex->bt_traffic_load) {
+			if (coex->bt_status) {
+				/* BT on */
+				if (!priv->bt_ch_announce)
+					priv->bt_traffic_load =
+						IWL_BT_COEX_TRAFFIC_LOAD_HIGH;
+				else
+					priv->bt_traffic_load =
+						coex->bt_traffic_load;
+			} else {
+				/* BT off */
+				priv->bt_traffic_load =
+					IWL_BT_COEX_TRAFFIC_LOAD_NONE;
+			}
+			priv->bt_status = coex->bt_status;
+			queue_work(priv->workqueue,
+				   &priv->bt_traffic_change_work);
+		}
+		if (priv->bt_sco_active !=
+		    (uart_msg->frame3 & BT_UART_MSG_FRAME3SCOESCO_MSK)) {
+			priv->bt_sco_active = uart_msg->frame3 &
+				BT_UART_MSG_FRAME3SCOESCO_MSK;
+			if (priv->bt_sco_active)
+				sco_cmd.flags |= IWLAGN_BT_SCO_ACTIVE;
+			iwl_send_cmd_pdu_async(priv, REPLY_BT_COEX_SCO,
+				       sizeof(sco_cmd), &sco_cmd, NULL);
+		}
+	}
+
+	iwlagn_set_kill_ack_msk(priv, uart_msg);
+
+	/* FIXME: based on notification, adjust the prio_boost */
+
+	spin_lock_irqsave(&priv->lock, flags);
+	priv->bt_ci_compliance = coex->bt_ci_compliance;
+	spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv)
+{
+	iwlagn_rx_handler_setup(priv);
+	priv->rx_handlers[REPLY_BT_COEX_PROFILE_NOTIF] =
+		iwlagn_bt_coex_profile_notif;
+}
+
+void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv)
+{
+	iwlagn_setup_deferred_work(priv);
+
+	INIT_WORK(&priv->bt_traffic_change_work,
+		  iwlagn_bt_traffic_change_work);
+}
+
+void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv)
+{
+	cancel_work_sync(&priv->bt_traffic_change_work);
+}

drivers/net/wireless/iwlwifi/iwl-agn-rs.c

@@ -82,7 +82,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 				   struct iwl_lq_sta *lq_sta);
 static void rs_fill_link_cmd(struct iwl_priv *priv,
 			     struct iwl_lq_sta *lq_sta, u32 rate_n_flags);
-static void rs_stay_in_table(struct iwl_lq_sta *lq_sta);
+static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search);
 
 
 #ifdef CONFIG_MAC80211_DEBUGFS
@@ -301,7 +301,19 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv,
 				      struct ieee80211_sta *sta)
 {
 	int ret = -EAGAIN;
-	u32 load = rs_tl_get_load(lq_data, tid);
+	u32 load;
+
+	/*
+	 * Don't create TX aggregation sessions when in high
+	 * BT traffic, as they would just be disrupted by BT.
+	 */
+	if (priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH) {
+		IWL_ERR(priv, "BT traffic (%d), no aggregation allowed\n",
+			priv->bt_traffic_load);
+		return ret;
+	}
+
+	load = rs_tl_get_load(lq_data, tid);
 
 	if (load > IWL_AGG_LOAD_THRESHOLD) {
 		IWL_DEBUG_HT(priv, "Starting Tx agg: STA: %pM tid: %d\n",
@@ -590,11 +602,13 @@ static int rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags,
  * Green-field mode is valid if the station supports it and
  * there are no non-GF stations present in the BSS.
  */
-static inline u8 rs_use_green(struct ieee80211_sta *sta,
-			      struct iwl_ht_config *ht_conf)
+static bool rs_use_green(struct ieee80211_sta *sta)
 {
+	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+	struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+
 	return (sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) &&
-		!(ht_conf->non_GF_STA_present);
+		!(ctx->ht.non_gf_sta_present);
 }
 
 /**
@@ -746,6 +760,32 @@ static bool table_type_matches(struct iwl_scale_tbl_info *a,
 		(a->is_SGI == b->is_SGI);
 }
 
+static void rs_bt_update_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			    struct iwl_lq_sta *lq_sta)
+{
+	struct iwl_scale_tbl_info *tbl;
+	bool full_concurrent;
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->lock, flags);
+	if (priv->bt_ci_compliance && priv->bt_ant_couple_ok)
+		full_concurrent = true;
+	else
+		full_concurrent = false;
+	spin_unlock_irqrestore(&priv->lock, flags);
+
+	if (priv->bt_full_concurrent != full_concurrent) {
+		priv->bt_full_concurrent = full_concurrent;
+
+		/* Update uCode's rate table. */
+		tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
+		rs_fill_link_cmd(priv, lq_sta, tbl->current_rate);
+		iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false);
+
+		queue_work(priv->workqueue, &priv->bt_full_concurrency);
+	}
+}
+
 /*
  * mac80211 sends us Tx status
  */
@@ -765,6 +805,8 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 	u32 tx_rate;
 	struct iwl_scale_tbl_info tbl_type;
 	struct iwl_scale_tbl_info *curr_tbl, *other_tbl, *tmp_tbl;
+	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+	struct iwl_rxon_context *ctx = sta_priv->common.ctx;
 
 	IWL_DEBUG_RATE_LIMIT(priv, "get frame ack response, update rate scale window\n");
 
@@ -831,7 +873,7 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 		lq_sta->missed_rate_counter++;
 		if (lq_sta->missed_rate_counter > IWL_MISSED_RATE_MAX) {
 			lq_sta->missed_rate_counter = 0;
-			iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC, false);
+			iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false);
 		}
 		/* Regardless, ignore this status info for outdated rate */
 		return;
@@ -862,7 +904,7 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
 		 * no matching table found, let's by-pass the data collection
 		 * and continue to perform rate scale to find the rate table
 		 */
-		rs_stay_in_table(lq_sta);
+		rs_stay_in_table(lq_sta, true);
 		goto done;
 	}
 
@@ -928,6 +970,10 @@ done:
 	/* See if there's a better rate or modulation mode to try. */
 	if (sta && sta->supp_rates[sband->band])
 		rs_rate_scale_perform(priv, skb, sta, lq_sta);
+
+	/* Is there a need to switch between full concurrency and 3-wire? */
+	if (priv->bt_ant_couple_ok)
+		rs_bt_update_lq(priv, ctx, lq_sta);
 }
 
 /*
@@ -1121,6 +1167,8 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
 	u16 rate_mask;
 	s32 rate;
 	s8 is_green = lq_sta->is_green;
+	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+	struct iwl_rxon_context *ctx = sta_priv->common.ctx;
 
 	if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
 		return -1;
@@ -1141,7 +1189,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
 	tbl->max_search = IWL_MAX_SEARCH;
 	rate_mask = lq_sta->active_mimo2_rate;
 
-	if (iwl_is_ht40_tx_allowed(priv, &sta->ht_cap))
+	if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;
@@ -1175,6 +1223,8 @@ static int rs_switch_to_mimo3(struct iwl_priv *priv,
 	u16 rate_mask;
 	s32 rate;
 	s8 is_green = lq_sta->is_green;
+	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+	struct iwl_rxon_context *ctx = sta_priv->common.ctx;
 
 	if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
 		return -1;
@@ -1195,7 +1245,7 @@ static int rs_switch_to_mimo3(struct iwl_priv *priv,
 	tbl->max_search = IWL_MAX_11N_MIMO3_SEARCH;
 	rate_mask = lq_sta->active_mimo3_rate;
 
-	if (iwl_is_ht40_tx_allowed(priv, &sta->ht_cap))
+	if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;
@@ -1230,6 +1280,8 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
 	u16 rate_mask;
 	u8 is_green = lq_sta->is_green;
 	s32 rate;
+	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+	struct iwl_rxon_context *ctx = sta_priv->common.ctx;
 
 	if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
 		return -1;
@@ -1242,7 +1294,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
 	tbl->max_search = IWL_MAX_SEARCH;
 	rate_mask = lq_sta->active_siso_rate;
 
-	if (iwl_is_ht40_tx_allowed(priv, &sta->ht_cap))
+	if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;
@@ -1286,12 +1338,45 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
 	int ret = 0;
 	u8 update_search_tbl_counter = 0;
 
+	switch (priv->bt_traffic_load) {
+	case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
+		/* nothing */
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
+		/* avoid antenna B unless MIMO */
+		valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant);
+		if (tbl->action == IWL_LEGACY_SWITCH_ANTENNA2)
+			tbl->action = IWL_LEGACY_SWITCH_ANTENNA1;
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
+	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
+		/* avoid antenna B and MIMO */
+		valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant);
+		if (tbl->action >= IWL_LEGACY_SWITCH_ANTENNA2 &&
+		    tbl->action != IWL_LEGACY_SWITCH_SISO)
+			tbl->action = IWL_LEGACY_SWITCH_SISO;
+		break;
+	default:
+		IWL_ERR(priv, "Invalid BT load %d", priv->bt_traffic_load);
+		break;
+	}
+
 	if (!iwl_ht_enabled(priv))
 		/* stay in Legacy */
 		tbl->action = IWL_LEGACY_SWITCH_ANTENNA1;
 	else if (iwl_tx_ant_restriction(priv) == IWL_ANT_OK_SINGLE &&
 		   tbl->action > IWL_LEGACY_SWITCH_SISO)
 		tbl->action = IWL_LEGACY_SWITCH_SISO;
+
+	/* configure as 1x1 if bt full concurrency */
+	if (priv->bt_full_concurrent) {
+		if (!iwl_ht_enabled(priv))
+			tbl->action = IWL_LEGACY_SWITCH_ANTENNA1;
+		else if (tbl->action >= IWL_LEGACY_SWITCH_ANTENNA2)
+			tbl->action = IWL_LEGACY_SWITCH_SISO;
+		valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant);
+	}
+
 	start_action = tbl->action;
 	for (; ;) {
 		lq_sta->action_counter++;
@@ -1307,7 +1392,10 @@ static int rs_move_legacy_other(struct iwl_priv *priv,
 				break;
 
 			/* Don't change antenna if success has been great */
-			if (window->success_ratio >= IWL_RS_GOOD_RATIO)
+			if (window->success_ratio >= IWL_RS_GOOD_RATIO &&
+			    !priv->bt_full_concurrent &&
+			    priv->bt_traffic_load ==
+					IWL_BT_COEX_TRAFFIC_LOAD_NONE)
 				break;
 
 			/* Set up search table to try other antenna */
@@ -1425,11 +1513,41 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
 	u8 update_search_tbl_counter = 0;
 	int ret;
 
+	switch (priv->bt_traffic_load) {
+	case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
+		/* nothing */
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
+		/* avoid antenna B unless MIMO */
+		valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant);
+		if (tbl->action == IWL_SISO_SWITCH_ANTENNA2)
+			tbl->action = IWL_SISO_SWITCH_ANTENNA1;
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
+	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
+		/* avoid antenna B and MIMO */
+		valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant);
+		if (tbl->action != IWL_SISO_SWITCH_ANTENNA1)
+			tbl->action = IWL_SISO_SWITCH_ANTENNA1;
+		break;
+	default:
+		IWL_ERR(priv, "Invalid BT load %d", priv->bt_traffic_load);
+		break;
+	}
+
 	if (iwl_tx_ant_restriction(priv) == IWL_ANT_OK_SINGLE &&
 	    tbl->action > IWL_SISO_SWITCH_ANTENNA2) {
 		/* stay in SISO */
 		tbl->action = IWL_SISO_SWITCH_ANTENNA1;
 	}
+
+	/* configure as 1x1 if bt full concurrency */
+	if (priv->bt_full_concurrent) {
+		valid_tx_ant = first_antenna(priv->hw_params.valid_tx_ant);
+		if (tbl->action >= IWL_LEGACY_SWITCH_ANTENNA2)
+			tbl->action = IWL_SISO_SWITCH_ANTENNA1;
+	}
+
 	start_action = tbl->action;
 	for (;;) {
 		lq_sta->action_counter++;
@@ -1437,14 +1555,16 @@ static int rs_move_siso_to_other(struct iwl_priv *priv,
 		case IWL_SISO_SWITCH_ANTENNA1:
 		case IWL_SISO_SWITCH_ANTENNA2:
 			IWL_DEBUG_RATE(priv, "LQ: SISO toggle Antenna\n");
-
 			if ((tbl->action == IWL_SISO_SWITCH_ANTENNA1 &&
-							tx_chains_num <= 1) ||
+						tx_chains_num <= 1) ||
 			    (tbl->action == IWL_SISO_SWITCH_ANTENNA2 &&
-							tx_chains_num <= 2))
+						tx_chains_num <= 2))
 				break;
 
-			if (window->success_ratio >= IWL_RS_GOOD_RATIO)
+			if (window->success_ratio >= IWL_RS_GOOD_RATIO &&
+			    !priv->bt_full_concurrent &&
+			    priv->bt_traffic_load ==
+					IWL_BT_COEX_TRAFFIC_LOAD_NONE)
 				break;
 
 			memcpy(search_tbl, tbl, sz);
@@ -1564,12 +1684,40 @@ static int rs_move_mimo2_to_other(struct iwl_priv *priv,
 	u8 update_search_tbl_counter = 0;
 	int ret;
 
+	switch (priv->bt_traffic_load) {
+	case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
+		/* nothing */
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
+	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
+		/* avoid antenna B and MIMO */
+		if (tbl->action != IWL_MIMO2_SWITCH_SISO_A)
+			tbl->action = IWL_MIMO2_SWITCH_SISO_A;
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
+		/* avoid antenna B unless MIMO */
+		if (tbl->action == IWL_MIMO2_SWITCH_SISO_B ||
+		    tbl->action == IWL_MIMO2_SWITCH_SISO_C)
+			tbl->action = IWL_MIMO2_SWITCH_SISO_A;
+		break;
+	default:
+		IWL_ERR(priv, "Invalid BT load %d", priv->bt_traffic_load);
+		break;
+	}
+
 	if ((iwl_tx_ant_restriction(priv) == IWL_ANT_OK_SINGLE) &&
 	    (tbl->action < IWL_MIMO2_SWITCH_SISO_A ||
 	     tbl->action > IWL_MIMO2_SWITCH_SISO_C)) {
 		/* switch in SISO */
 		tbl->action = IWL_MIMO2_SWITCH_SISO_A;
 	}
+
+	/* configure as 1x1 if bt full concurrency */
+	if (priv->bt_full_concurrent &&
+	    (tbl->action < IWL_MIMO2_SWITCH_SISO_A ||
+	     tbl->action > IWL_MIMO2_SWITCH_SISO_C))
+		tbl->action = IWL_MIMO2_SWITCH_SISO_A;
+
 	start_action = tbl->action;
 	for (;;) {
 		lq_sta->action_counter++;
@@ -1706,12 +1854,40 @@ static int rs_move_mimo3_to_other(struct iwl_priv *priv,
 	int ret;
 	u8 update_search_tbl_counter = 0;
 
+	switch (priv->bt_traffic_load) {
+	case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
+		/* nothing */
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
+	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
+		/* avoid antenna B and MIMO */
+		if (tbl->action != IWL_MIMO3_SWITCH_SISO_A)
+			tbl->action = IWL_MIMO3_SWITCH_SISO_A;
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
+		/* avoid antenna B unless MIMO */
+		if (tbl->action == IWL_MIMO3_SWITCH_SISO_B ||
+		    tbl->action == IWL_MIMO3_SWITCH_SISO_C)
+			tbl->action = IWL_MIMO3_SWITCH_SISO_A;
+		break;
+	default:
+		IWL_ERR(priv, "Invalid BT load %d", priv->bt_traffic_load);
+		break;
+	}
+
 	if ((iwl_tx_ant_restriction(priv) == IWL_ANT_OK_SINGLE) &&
 	    (tbl->action < IWL_MIMO3_SWITCH_SISO_A ||
 	     tbl->action > IWL_MIMO3_SWITCH_SISO_C)) {
 		/* switch in SISO */
 		tbl->action = IWL_MIMO3_SWITCH_SISO_A;
 	}
+
+	/* configure as 1x1 if bt full concurrency */
+	if (priv->bt_full_concurrent &&
+	    (tbl->action < IWL_MIMO3_SWITCH_SISO_A ||
+	     tbl->action > IWL_MIMO3_SWITCH_SISO_C))
+		tbl->action = IWL_MIMO3_SWITCH_SISO_A;
+
 	start_action = tbl->action;
 	for (;;) {
 		lq_sta->action_counter++;
@@ -1839,7 +2015,7 @@ static int rs_move_mimo3_to_other(struct iwl_priv *priv,
  * 2) # times calling this function
  * 3) elapsed time in this mode (not used, for now)
  */
-static void rs_stay_in_table(struct iwl_lq_sta *lq_sta)
+static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
 {
 	struct iwl_scale_tbl_info *tbl;
 	int i;
@@ -1870,7 +2046,8 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta)
 		 * allow a new search.  Also (below) reset all bitmaps and
 		 * stats in active history.
 		 */
-		if ((lq_sta->total_failed > lq_sta->max_failure_limit) ||
+		if (force_search ||
+		    (lq_sta->total_failed > lq_sta->max_failure_limit) ||
 		    (lq_sta->total_success > lq_sta->max_success_limit) ||
 		    ((!lq_sta->search_better_tbl) && (lq_sta->flush_timer)
 		     && (flush_interval_passed))) {
@@ -1919,6 +2096,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta)
  * return rate_n_flags as used in the table
  */
 static u32 rs_update_rate_tbl(struct iwl_priv *priv,
+			      struct iwl_rxon_context *ctx,
 				struct iwl_lq_sta *lq_sta,
 				struct iwl_scale_tbl_info *tbl,
 				int index, u8 is_green)
@@ -1928,7 +2106,7 @@ static u32 rs_update_rate_tbl(struct iwl_priv *priv,
 	/* Update uCode's rate table. */
 	rate = rate_n_flags_from_tbl(priv, tbl, index, is_green);
 	rs_fill_link_cmd(priv, lq_sta, rate);
-	iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC, false);
+	iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false);
 
 	return rate;
 }
@@ -1967,6 +2145,8 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 	s32 sr;
 	u8 tid = MAX_TID_COUNT;
 	struct iwl_tid_data *tid_data;
+	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+	struct iwl_rxon_context *ctx = sta_priv->common.ctx;
 
 	IWL_DEBUG_RATE(priv, "rate scale calculate new rate for skb\n");
 
@@ -2005,7 +2185,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 	if (is_legacy(tbl->lq_type))
 		lq_sta->is_green = 0;
 	else
-		lq_sta->is_green = rs_use_green(sta, &priv->current_ht_config);
+		lq_sta->is_green = rs_use_green(sta);
 	is_green = lq_sta->is_green;
 
 	/* current tx rate */
@@ -2044,7 +2224,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 			tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
 			/* get "active" rate info */
 			index = iwl_hwrate_to_plcp_idx(tbl->current_rate);
-			rate = rs_update_rate_tbl(priv, lq_sta,
+			rate = rs_update_rate_tbl(priv, ctx, lq_sta,
 						  tbl, index, is_green);
 		}
 		return;
@@ -2086,7 +2266,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 
 		/* Should we stay with this modulation mode,
 		 * or search for a new one? */
-		rs_stay_in_table(lq_sta);
+		rs_stay_in_table(lq_sta, false);
 
 		goto out;
 	}
@@ -2234,6 +2414,28 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 	if (iwl_tx_ant_restriction(priv) != IWL_ANT_OK_MULTI &&
 		(is_mimo2(tbl->lq_type) || is_mimo3(tbl->lq_type)))
 		scale_action = -1;
+
+	if ((priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH) &&
+	     (is_mimo2(tbl->lq_type) || is_mimo3(tbl->lq_type))) {
+		if (lq_sta->last_bt_traffic > priv->bt_traffic_load) {
+			/*
+			 * don't set scale_action, don't want to scale up if
+			 * the rate scale doesn't otherwise think that is a
+			 * good idea.
+			 */
+		} else if (lq_sta->last_bt_traffic <= priv->bt_traffic_load) {
+			scale_action = -1;
+		}
+	}
+	lq_sta->last_bt_traffic = priv->bt_traffic_load;
+
+	if ((priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH) &&
+	     (is_mimo2(tbl->lq_type) || is_mimo3(tbl->lq_type))) {
+		/* search for a new modulation */
+		rs_stay_in_table(lq_sta, true);
+		goto lq_update;
+	}
+
 	switch (scale_action) {
 	case -1:
 		/* Decrease starting rate, update uCode's rate table */
@@ -2264,13 +2466,13 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 lq_update:
 	/* Replace uCode's rate table for the destination station. */
 	if (update_lq)
-		rate = rs_update_rate_tbl(priv, lq_sta,
+		rate = rs_update_rate_tbl(priv, ctx, lq_sta,
 					  tbl, index, is_green);
 
 	if (iwl_tx_ant_restriction(priv) == IWL_ANT_OK_MULTI) {
 		/* Should we stay with this modulation mode,
 		 * or search for a new one? */
-		rs_stay_in_table(lq_sta);
+	  rs_stay_in_table(lq_sta, false);
 	}
 	/*
 	 * Search for new modulation mode if we're:
@@ -2306,7 +2508,7 @@ lq_update:
 			IWL_DEBUG_RATE(priv, "Switch current  mcs: %X index: %d\n",
 				     tbl->current_rate, index);
 			rs_fill_link_cmd(priv, lq_sta, tbl->current_rate);
-			iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC, false);
+			iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false);
 		} else
 			done_search = 1;
 	}
@@ -2376,12 +2578,17 @@ static void rs_initialize_lq(struct iwl_priv *priv,
 	int rate_idx;
 	int i;
 	u32 rate;
-	u8 use_green = rs_use_green(sta, &priv->current_ht_config);
+	u8 use_green = rs_use_green(sta);
 	u8 active_tbl = 0;
 	u8 valid_tx_ant;
+	struct iwl_station_priv *sta_priv;
+	struct iwl_rxon_context *ctx;
 
 	if (!sta || !lq_sta)
-		goto out;
+		return;
+
+	sta_priv = (void *)sta->drv_priv;
+	ctx = sta_priv->common.ctx;
 
 	i = lq_sta->last_txrate_idx;
 
@@ -2413,9 +2620,7 @@ static void rs_initialize_lq(struct iwl_priv *priv,
 	rs_set_expected_tpt_table(lq_sta, tbl);
 	rs_fill_link_cmd(NULL, lq_sta, rate);
 	priv->stations[lq_sta->lq.sta_id].lq = &lq_sta->lq;
-	iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_SYNC, true);
- out:
-	return;
+	iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_SYNC, true);
 }
 
 static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
@@ -2543,7 +2748,7 @@ void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_i
 	lq_sta->is_dup = 0;
 	lq_sta->max_rate_idx = -1;
 	lq_sta->missed_rate_counter = IWL_MISSED_RATE_MAX;
-	lq_sta->is_green = rs_use_green(sta, &priv->current_ht_config);
+	lq_sta->is_green = rs_use_green(sta);
 	lq_sta->active_legacy_rate = priv->active_rate & ~(0x1000);
 	lq_sta->band = priv->band;
 	/*
@@ -2616,6 +2821,12 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
 	rs_get_tbl_info_from_mcs(new_rate, lq_sta->band,
 				  &tbl_type, &rate_idx);
 
+	if (priv && priv->bt_full_concurrent) {
+		/* 1x1 only */
+		tbl_type.ant_type =
+			first_antenna(priv->hw_params.valid_tx_ant);
+	}
+
 	/* How many times should we repeat the initial rate? */
 	if (is_legacy(tbl_type.lq_type)) {
 		ant_toggle_cnt = 1;
@@ -2640,9 +2851,12 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
 
 	index++;
 	repeat_rate--;
-
-	if (priv)
-		valid_tx_ant = priv->hw_params.valid_tx_ant;
+	if (priv) {
+		if (priv->bt_full_concurrent)
+			valid_tx_ant = ANT_A;
+		else
+			valid_tx_ant = priv->hw_params.valid_tx_ant;
+	}
 
 	/* Fill rest of rate table */
 	while (index < LINK_QUAL_MAX_RETRY_NUM) {
@@ -2657,7 +2871,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
 					 rs_toggle_antenna(valid_tx_ant,
 							&new_rate, &tbl_type))
 					ant_toggle_cnt = 1;
-}
+			}
 
 			/* Override next rate if needed for debug purposes */
 			rs_dbgfs_set_mcs(lq_sta, &new_rate, index);
@@ -2672,6 +2886,12 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
 		rs_get_tbl_info_from_mcs(new_rate, lq_sta->band, &tbl_type,
 						&rate_idx);
 
+		if (priv && priv->bt_full_concurrent) {
+			/* 1x1 only */
+			tbl_type.ant_type =
+				first_antenna(priv->hw_params.valid_tx_ant);
+		}
+
 		/* Indicate to uCode which entries might be MIMO.
 		 * If initial rate was MIMO, this will finally end up
 		 * as (IWL_HT_NUMBER_TRY * 2), after 2nd pass, otherwise 0. */
@@ -2788,6 +3008,9 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file,
 	char buf[64];
 	int buf_size;
 	u32 parsed_rate;
+	struct iwl_station_priv *sta_priv =
+		container_of(lq_sta, struct iwl_station_priv, lq_sta);
+	struct iwl_rxon_context *ctx = sta_priv->common.ctx;
 
 	priv = lq_sta->drv;
 	memset(buf, 0, sizeof(buf));
@@ -2810,7 +3033,8 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file,
 
 	if (lq_sta->dbg_fixed_rate) {
 		rs_fill_link_cmd(NULL, lq_sta, lq_sta->dbg_fixed_rate);
-		iwl_send_lq_cmd(lq_sta->drv, &lq_sta->lq, CMD_ASYNC, false);
+		iwl_send_lq_cmd(lq_sta->drv, ctx, &lq_sta->lq, CMD_ASYNC,
+				false);
 	}
 
 	return count;

drivers/net/wireless/iwlwifi/iwl-agn-rs.h

@@ -432,6 +432,8 @@ struct iwl_lq_sta {
 	u32 last_rate_n_flags;
 	/* packets destined for this STA are aggregated */
 	u8 is_agg;
+	/* BT traffic this sta was last updated in */
+	u8 last_bt_traffic;
 };
 
 static inline u8 num_of_ant(u8 mask)

drivers/net/wireless/iwlwifi/iwl-agn-tt.c

@@ -416,18 +416,26 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
 	/* stop ct_kill_waiting_tm timer */
 	del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
 	if (changed) {
-		struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
-
 		if (tt->state >= IWL_TI_1) {
 			/* force PI = IWL_POWER_INDEX_5 in the case of TI > 0 */
 			tt->tt_power_mode = IWL_POWER_INDEX_5;
-			if (!iwl_ht_enabled(priv))
-				/* disable HT */
-				rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
-					RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
-					RXON_FLG_HT40_PROT_MSK |
-					RXON_FLG_HT_PROT_MSK);
-			else {
+
+			if (!iwl_ht_enabled(priv)) {
+				struct iwl_rxon_context *ctx;
+
+				for_each_context(priv, ctx) {
+					struct iwl_rxon_cmd *rxon;
+
+					rxon = &ctx->staging;
+
+					/* disable HT */
+					rxon->flags &= ~(
+						RXON_FLG_CHANNEL_MODE_MSK |
+						RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
+						RXON_FLG_HT40_PROT_MSK |
+						RXON_FLG_HT_PROT_MSK);
+				}
+			} else {
 				/* check HT capability and set
 				 * according to the system HT capability
 				 * in case get disabled before */

drivers/net/wireless/iwlwifi/iwl-agn-tx.c

@@ -71,18 +71,6 @@ static const u8 tid_to_ac[] = {
 	2, 3, 3, 2, 1, 1, 0, 0
 };
 
-static const u8 ac_to_fifo[] = {
-	IWL_TX_FIFO_VO,
-	IWL_TX_FIFO_VI,
-	IWL_TX_FIFO_BE,
-	IWL_TX_FIFO_BK,
-};
-
-static inline int get_fifo_from_ac(u8 ac)
-{
-	return ac_to_fifo[ac];
-}
-
 static inline int get_ac_from_tid(u16 tid)
 {
 	if (likely(tid < ARRAY_SIZE(tid_to_ac)))
@@ -92,10 +80,10 @@ static inline int get_ac_from_tid(u16 tid)
 	return -EINVAL;
 }
 
-static inline int get_fifo_from_tid(u16 tid)
+static inline int get_fifo_from_tid(struct iwl_rxon_context *ctx, u16 tid)
 {
 	if (likely(tid < ARRAY_SIZE(tid_to_ac)))
-		return get_fifo_from_ac(tid_to_ac[tid]);
+		return ctx->ac_to_fifo[tid_to_ac[tid]];
 
 	/* no support for TIDs 8-15 yet */
 	return -EINVAL;
@@ -118,7 +106,7 @@ void iwlagn_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
 
 	WARN_ON(len > 0xFFF || write_ptr >= TFD_QUEUE_SIZE_MAX);
 
-	if (txq_id != IWL_CMD_QUEUE_NUM) {
+	if (txq_id != priv->cmd_queue) {
 		sta_id = txq->cmd[txq->q.write_ptr]->cmd.tx.sta_id;
 		sec_ctl = txq->cmd[txq->q.write_ptr]->cmd.tx.sec_ctl;
 
@@ -155,7 +143,7 @@ void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
 
 	WARN_ON(read_ptr >= TFD_QUEUE_SIZE_MAX);
 
-	if (txq_id != IWL_CMD_QUEUE_NUM)
+	if (txq_id != priv->cmd_queue)
 		sta_id = txq->cmd[read_ptr]->cmd.tx.sta_id;
 
 	bc_ent = cpu_to_le16(1 | (sta_id << 12));
@@ -333,19 +321,15 @@ void iwlagn_txq_set_sched(struct iwl_priv *priv, u32 mask)
 	iwl_write_prph(priv, IWLAGN_SCD_TXFACT, mask);
 }
 
-static inline int get_queue_from_ac(u16 ac)
-{
-	return ac;
-}
-
 /*
  * handle build REPLY_TX command notification.
  */
 static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
-				  struct iwl_tx_cmd *tx_cmd,
-				  struct ieee80211_tx_info *info,
-				  struct ieee80211_hdr *hdr,
-				  u8 std_id)
+					struct sk_buff *skb,
+					struct iwl_tx_cmd *tx_cmd,
+					struct ieee80211_tx_info *info,
+					struct ieee80211_hdr *hdr,
+					u8 std_id)
 {
 	__le16 fc = hdr->frame_control;
 	__le32 tx_flags = tx_cmd->tx_flags;
@@ -365,6 +349,12 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
 
 	if (ieee80211_is_back_req(fc))
 		tx_flags |= TX_CMD_FLG_ACK_MSK | TX_CMD_FLG_IMM_BA_RSP_MASK;
+	else if (info->band == IEEE80211_BAND_2GHZ &&
+		 priv->cfg->advanced_bt_coexist &&
+		 (ieee80211_is_auth(fc) || ieee80211_is_assoc_req(fc) ||
+		 ieee80211_is_reassoc_req(fc) ||
+		 skb->protocol == cpu_to_be16(ETH_P_PAE)))
+		tx_flags |= TX_CMD_FLG_IGNORE_BT;
 
 
 	tx_cmd->sta_id = std_id;
@@ -454,7 +444,12 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
 		rate_flags |= RATE_MCS_CCK_MSK;
 
 	/* Set up antennas */
-	priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
+	 if (priv->cfg->advanced_bt_coexist && priv->bt_full_concurrent) {
+		/* operated as 1x1 in full concurrency mode */
+		priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
+				first_antenna(priv->hw_params.valid_tx_ant));
+	} else
+		priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
 					      priv->hw_params.valid_tx_ant);
 	rate_flags |= iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
 
@@ -519,6 +514,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	struct iwl_device_cmd *out_cmd;
 	struct iwl_cmd_meta *out_meta;
 	struct iwl_tx_cmd *tx_cmd;
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	int swq_id, txq_id;
 	dma_addr_t phys_addr;
 	dma_addr_t txcmd_phys;
@@ -533,6 +529,9 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	u8 *qc = NULL;
 	unsigned long flags;
 
+	if (info->control.vif)
+		ctx = iwl_rxon_ctx_from_vif(info->control.vif);
+
 	spin_lock_irqsave(&priv->lock, flags);
 	if (iwl_is_rfkill(priv)) {
 		IWL_DEBUG_DROP(priv, "Dropping - RF KILL\n");
@@ -553,7 +552,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	hdr_len = ieee80211_hdrlen(fc);
 
 	/* Find index into station table for destination station */
-	sta_id = iwl_sta_id_or_broadcast(priv, info->control.sta);
+	sta_id = iwl_sta_id_or_broadcast(priv, ctx, info->control.sta);
 	if (sta_id == IWL_INVALID_STATION) {
 		IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
 			       hdr->addr1);
@@ -565,8 +564,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	if (sta)
 		sta_priv = (void *)sta->drv_priv;
 
-	if (sta_priv && sta_id != priv->hw_params.bcast_sta_id &&
-	    sta_priv->asleep) {
+	if (sta_priv && sta_priv->asleep) {
 		WARN_ON(!(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE));
 		/*
 		 * This sends an asynchronous command to the device,
@@ -580,7 +578,20 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 		iwl_sta_modify_sleep_tx_count(priv, sta_id, 1);
 	}
 
-	txq_id = get_queue_from_ac(skb_get_queue_mapping(skb));
+	/*
+	 * Send this frame after DTIM -- there's a special queue
+	 * reserved for this for contexts that support AP mode.
+	 */
+	if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
+		txq_id = ctx->mcast_queue;
+		/*
+		 * The microcode will clear the more data
+		 * bit in the last frame it transmits.
+		 */
+		hdr->frame_control |=
+			cpu_to_le16(IEEE80211_FCTL_MOREDATA);
+	} else
+		txq_id = ctx->ac_to_queue[skb_get_queue_mapping(skb)];
 
 	/* irqs already disabled/saved above when locking priv->lock */
 	spin_lock(&priv->sta_lock);
@@ -625,6 +636,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	/* Set up driver data for this TFD */
 	memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
 	txq->txb[q->write_ptr].skb = skb;
+	txq->txb[q->write_ptr].ctx = ctx;
 
 	/* Set up first empty entry in queue's array of Tx/cmd buffers */
 	out_cmd = txq->cmd[q->write_ptr];
@@ -655,7 +667,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 		iwlagn_tx_cmd_build_hwcrypto(priv, info, tx_cmd, skb, sta_id);
 
 	/* TODO need this for burst mode later on */
-	iwlagn_tx_cmd_build_basic(priv, tx_cmd, info, hdr, sta_id);
+	iwlagn_tx_cmd_build_basic(priv, skb, tx_cmd, info, hdr, sta_id);
 	iwl_dbg_log_tx_data_frame(priv, len, hdr);
 
 	iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, fc);
@@ -813,7 +825,7 @@ void iwlagn_hw_txq_ctx_free(struct iwl_priv *priv)
 	/* Tx queues */
 	if (priv->txq) {
 		for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++)
-			if (txq_id == IWL_CMD_QUEUE_NUM)
+			if (txq_id == priv->cmd_queue)
 				iwl_cmd_queue_free(priv);
 			else
 				iwl_tx_queue_free(priv, txq_id);
@@ -870,9 +882,9 @@ int iwlagn_txq_ctx_alloc(struct iwl_priv *priv)
 
 	spin_unlock_irqrestore(&priv->lock, flags);
 
-	/* Alloc and init all Tx queues, including the command queue (#4) */
+	/* Alloc and init all Tx queues, including the command queue (#4/#9) */
 	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
-		slots_num = (txq_id == IWL_CMD_QUEUE_NUM) ?
+		slots_num = (txq_id == priv->cmd_queue) ?
 					TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
 		ret = iwl_tx_queue_init(priv, &priv->txq[txq_id], slots_num,
 				       txq_id);
@@ -910,7 +922,7 @@ void iwlagn_txq_ctx_reset(struct iwl_priv *priv)
 
 	/* Alloc and init all Tx queues, including the command queue (#4) */
 	for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) {
-		slots_num = txq_id == IWL_CMD_QUEUE_NUM ?
+		slots_num = txq_id == priv->cmd_queue ?
 			    TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
 		iwl_tx_queue_reset(priv, &priv->txq[txq_id], slots_num, txq_id);
 	}
@@ -968,7 +980,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 	unsigned long flags;
 	struct iwl_tid_data *tid_data;
 
-	tx_fifo = get_fifo_from_tid(tid);
+	tx_fifo = get_fifo_from_tid(iwl_rxon_ctx_from_vif(vif), tid);
 	if (unlikely(tx_fifo < 0))
 		return tx_fifo;
 
@@ -1024,12 +1036,12 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 		       struct ieee80211_sta *sta, u16 tid)
 {
-	int tx_fifo_id, txq_id, sta_id, ssn = -1;
+	int tx_fifo_id, txq_id, sta_id, ssn;
 	struct iwl_tid_data *tid_data;
 	int write_ptr, read_ptr;
 	unsigned long flags;
 
-	tx_fifo_id = get_fifo_from_tid(tid);
+	tx_fifo_id = get_fifo_from_tid(iwl_rxon_ctx_from_vif(vif), tid);
 	if (unlikely(tx_fifo_id < 0))
 		return tx_fifo_id;
 
@@ -1042,21 +1054,26 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
 
-	if (priv->stations[sta_id].tid[tid].agg.state ==
-				IWL_EMPTYING_HW_QUEUE_ADDBA) {
-		IWL_DEBUG_HT(priv, "AGG stop before setup done\n");
-		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
-		priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
-		spin_unlock_irqrestore(&priv->sta_lock, flags);
-		return 0;
-	}
-
-	if (priv->stations[sta_id].tid[tid].agg.state != IWL_AGG_ON)
-		IWL_WARN(priv, "Stopping AGG while state not ON or starting\n");
-
 	tid_data = &priv->stations[sta_id].tid[tid];
 	ssn = (tid_data->seq_number & IEEE80211_SCTL_SEQ) >> 4;
 	txq_id = tid_data->agg.txq_id;
+
+	switch (priv->stations[sta_id].tid[tid].agg.state) {
+	case IWL_EMPTYING_HW_QUEUE_ADDBA:
+		/*
+		 * This can happen if the peer stops aggregation
+		 * again before we've had a chance to drain the
+		 * queue we selected previously, i.e. before the
+		 * session was really started completely.
+		 */
+		IWL_DEBUG_HT(priv, "AGG stop before setup done\n");
+		goto turn_off;
+	case IWL_AGG_ON:
+		break;
+	default:
+		IWL_WARN(priv, "Stopping AGG while state not ON or starting\n");
+	}
+
 	write_ptr = priv->txq[txq_id].q.write_ptr;
 	read_ptr = priv->txq[txq_id].q.read_ptr;
 
@@ -1070,6 +1087,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
 	}
 
 	IWL_DEBUG_HT(priv, "HW queue is empty\n");
+ turn_off:
 	priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF;
 
 	/* do not restore/save irqs */
@@ -1098,6 +1116,9 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv,
 	struct iwl_queue *q = &priv->txq[txq_id].q;
 	u8 *addr = priv->stations[sta_id].sta.sta.addr;
 	struct iwl_tid_data *tid_data = &priv->stations[sta_id].tid[tid];
+	struct iwl_rxon_context *ctx;
+
+	ctx = &priv->contexts[priv->stations[sta_id].ctxid];
 
 	lockdep_assert_held(&priv->sta_lock);
 
@@ -1108,12 +1129,12 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv,
 		if ((txq_id  == tid_data->agg.txq_id) &&
 		    (q->read_ptr == q->write_ptr)) {
 			u16 ssn = SEQ_TO_SN(tid_data->seq_number);
-			int tx_fifo = get_fifo_from_tid(tid);
+			int tx_fifo = get_fifo_from_tid(ctx, tid);
 			IWL_DEBUG_HT(priv, "HW queue empty: continue DELBA flow\n");
 			priv->cfg->ops->lib->txq_agg_disable(priv, txq_id,
 							     ssn, tx_fifo);
 			tid_data->agg.state = IWL_AGG_OFF;
-			ieee80211_stop_tx_ba_cb_irqsafe(priv->vif, addr, tid);
+			ieee80211_stop_tx_ba_cb_irqsafe(ctx->vif, addr, tid);
 		}
 		break;
 	case IWL_EMPTYING_HW_QUEUE_ADDBA:
@@ -1121,7 +1142,7 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv,
 		if (tid_data->tfds_in_queue == 0) {
 			IWL_DEBUG_HT(priv, "HW queue empty: continue ADDBA flow\n");
 			tid_data->agg.state = IWL_AGG_ON;
-			ieee80211_start_tx_ba_cb_irqsafe(priv->vif, addr, tid);
+			ieee80211_start_tx_ba_cb_irqsafe(ctx->vif, addr, tid);
 		}
 		break;
 	}
@@ -1129,14 +1150,14 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv,
 	return 0;
 }
 
-static void iwlagn_tx_status(struct iwl_priv *priv, struct sk_buff *skb)
+static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info)
 {
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx_info->skb->data;
 	struct ieee80211_sta *sta;
 	struct iwl_station_priv *sta_priv;
 
 	rcu_read_lock();
-	sta = ieee80211_find_sta(priv->vif, hdr->addr1);
+	sta = ieee80211_find_sta(tx_info->ctx->vif, hdr->addr1);
 	if (sta) {
 		sta_priv = (void *)sta->drv_priv;
 		/* avoid atomic ops if this isn't a client */
@@ -1146,7 +1167,7 @@ static void iwlagn_tx_status(struct iwl_priv *priv, struct sk_buff *skb)
 	}
 	rcu_read_unlock();
 
-	ieee80211_tx_status_irqsafe(priv->hw, skb);
+	ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb);
 }
 
 int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
@@ -1169,7 +1190,7 @@ int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
 	     q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
 
 		tx_info = &txq->txb[txq->q.read_ptr];
-		iwlagn_tx_status(priv, tx_info->skb);
+		iwlagn_tx_status(priv, tx_info);
 
 		hdr = (struct ieee80211_hdr *)tx_info->skb->data;
 		if (hdr && ieee80211_is_data_qos(hdr->frame_control))

drivers/net/wireless/iwlwifi/iwl-agn-ucode.c

@@ -52,6 +52,19 @@ static const s8 iwlagn_default_queue_to_tx_fifo[] = {
 	IWL_TX_FIFO_UNUSED,
 };
 
+static const s8 iwlagn_ipan_queue_to_tx_fifo[] = {
+	IWL_TX_FIFO_VO,
+	IWL_TX_FIFO_VI,
+	IWL_TX_FIFO_BE,
+	IWL_TX_FIFO_BK,
+	IWL_TX_FIFO_BK_IPAN,
+	IWL_TX_FIFO_BE_IPAN,
+	IWL_TX_FIFO_VI_IPAN,
+	IWL_TX_FIFO_VO_IPAN,
+	IWL_TX_FIFO_BE_IPAN,
+	IWLAGN_CMD_FIFO_NUM,
+};
+
 static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
 	{COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
 	 0, COEX_UNASSOC_IDLE_FLAGS},
@@ -329,8 +342,54 @@ static int iwlagn_send_wimax_coex(struct iwl_priv *priv)
 				sizeof(coex_cmd), &coex_cmd);
 }
 
+static const u8 iwlagn_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
+	((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
+		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
+	((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
+		(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
+	((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
+		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
+	((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
+		(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
+	((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
+		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
+	((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
+		(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
+	((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
+		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
+	((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
+		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
+	((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
+		(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
+	0, 0, 0, 0, 0, 0, 0
+};
+
+static void iwlagn_send_prio_tbl(struct iwl_priv *priv)
+{
+	struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;
+
+	memcpy(prio_tbl_cmd.prio_tbl, iwlagn_bt_prio_tbl,
+		sizeof(iwlagn_bt_prio_tbl));
+	if (iwl_send_cmd_pdu(priv, REPLY_BT_COEX_PRIO_TABLE,
+				sizeof(prio_tbl_cmd), &prio_tbl_cmd))
+		IWL_ERR(priv, "failed to send BT prio tbl command\n");
+}
+
+static void iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type)
+{
+	struct iwl_bt_coex_prot_env_cmd env_cmd;
+
+	env_cmd.action = action;
+	env_cmd.type = type;
+	if (iwl_send_cmd_pdu(priv, REPLY_BT_COEX_PROT_ENV,
+			     sizeof(env_cmd), &env_cmd))
+		IWL_ERR(priv, "failed to send BT env command\n");
+}
+
+
 int iwlagn_alive_notify(struct iwl_priv *priv)
 {
+	const s8 *queues;
 	u32 a;
 	unsigned long flags;
 	int i, chan;
@@ -365,7 +424,7 @@ int iwlagn_alive_notify(struct iwl_priv *priv)
 			   reg_val | FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN);
 
 	iwl_write_prph(priv, IWLAGN_SCD_QUEUECHAIN_SEL,
-		IWLAGN_SCD_QUEUECHAIN_SEL_ALL(priv->hw_params.max_txq_num));
+		IWLAGN_SCD_QUEUECHAIN_SEL_ALL(priv));
 	iwl_write_prph(priv, IWLAGN_SCD_AGGR_SEL, 0);
 
 	/* initiate the queues */
@@ -391,7 +450,13 @@ int iwlagn_alive_notify(struct iwl_priv *priv)
 	/* Activate all Tx DMA/FIFO channels */
 	priv->cfg->ops->lib->txq_set_sched(priv, IWL_MASK(0, 7));
 
-	iwlagn_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0);
+	/* map queues to FIFOs */
+	if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS))
+		queues = iwlagn_ipan_queue_to_tx_fifo;
+	else
+		queues = iwlagn_default_queue_to_tx_fifo;
+
+	iwlagn_set_wr_ptrs(priv, priv->cmd_queue, 0);
 
 	/* make sure all queue are not stopped */
 	memset(&priv->queue_stopped[0], 0, sizeof(priv->queue_stopped));
@@ -400,11 +465,12 @@ int iwlagn_alive_notify(struct iwl_priv *priv)
 
 	/* reset to 0 to enable all the queue first */
 	priv->txq_ctx_active_msk = 0;
-	/* map qos queues to fifos one-to-one */
+
 	BUILD_BUG_ON(ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo) != 10);
+	BUILD_BUG_ON(ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo) != 10);
 
-	for (i = 0; i < ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); i++) {
-		int ac = iwlagn_default_queue_to_tx_fifo[i];
+	for (i = 0; i < 10; i++) {
+		int ac = queues[i];
 
 		iwl_txq_ctx_activate(priv, i);
 
@@ -416,6 +482,25 @@ int iwlagn_alive_notify(struct iwl_priv *priv)
 
 	spin_unlock_irqrestore(&priv->lock, flags);
 
+	if (priv->cfg->advanced_bt_coexist) {
+		/* Configure Bluetooth device coexistence support */
+		/* need to perform this before any calibration */
+		priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
+		priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
+		priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
+		priv->cfg->ops->hcmd->send_bt_config(priv);
+		priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS;
+
+		if (bt_coex_active && priv->iw_mode != NL80211_IFTYPE_ADHOC) {
+			iwlagn_send_prio_tbl(priv);
+			iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
+				BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
+			iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE,
+				BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
+		}
+
+	}
+
 	iwlagn_send_wimax_coex(priv);
 
 	iwlagn_set_Xtal_calib(priv);

drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -87,6 +87,9 @@ MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("iwl4965");
 
+static int iwlagn_ant_coupling;
+static bool iwlagn_bt_ch_announce = 1;
+
 /**
  * iwl_commit_rxon - commit staging_rxon to hardware
  *
@@ -95,21 +98,22 @@ MODULE_ALIAS("iwl4965");
  * function correctly transitions out of the RXON_ASSOC_MSK state if
  * a HW tune is required based on the RXON structure changes.
  */
-int iwl_commit_rxon(struct iwl_priv *priv)
+int iwl_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 {
 	/* cast away the const for active_rxon in this function */
-	struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon;
+	struct iwl_rxon_cmd *active_rxon = (void *)&ctx->active;
 	int ret;
 	bool new_assoc =
-		!!(priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK);
+		!!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK);
+	bool old_assoc = !!(ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK);
 
 	if (!iwl_is_alive(priv))
 		return -EBUSY;
 
 	/* always get timestamp with Rx frame */
-	priv->staging_rxon.flags |= RXON_FLG_TSF2HOST_MSK;
+	ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK;
 
-	ret = iwl_check_rxon_cmd(priv);
+	ret = iwl_check_rxon_cmd(priv, ctx);
 	if (ret) {
 		IWL_ERR(priv, "Invalid RXON configuration.  Not committing.\n");
 		return -EINVAL;
@@ -120,7 +124,7 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 	 * abort any previous channel switch if still in process
 	 */
 	if (priv->switch_rxon.switch_in_progress &&
-	    (priv->switch_rxon.channel != priv->staging_rxon.channel)) {
+	    (priv->switch_rxon.channel != ctx->staging.channel)) {
 		IWL_DEBUG_11H(priv, "abort channel switch on %d\n",
 		      le16_to_cpu(priv->switch_rxon.channel));
 		iwl_chswitch_done(priv, false);
@@ -129,15 +133,15 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 	/* If we don't need to send a full RXON, we can use
 	 * iwl_rxon_assoc_cmd which is used to reconfigure filter
 	 * and other flags for the current radio configuration. */
-	if (!iwl_full_rxon_required(priv)) {
-		ret = iwl_send_rxon_assoc(priv);
+	if (!iwl_full_rxon_required(priv, ctx)) {
+		ret = iwl_send_rxon_assoc(priv, ctx);
 		if (ret) {
 			IWL_ERR(priv, "Error setting RXON_ASSOC (%d)\n", ret);
 			return ret;
 		}
 
-		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
-		iwl_print_rx_config_cmd(priv);
+		memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon));
+		iwl_print_rx_config_cmd(priv, ctx);
 		return 0;
 	}
 
@@ -145,13 +149,13 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 	 * an RXON_ASSOC and the new config wants the associated mask enabled,
 	 * we must clear the associated from the active configuration
 	 * before we apply the new config */
-	if (iwl_is_associated(priv) && new_assoc) {
+	if (iwl_is_associated_ctx(ctx) && new_assoc) {
 		IWL_DEBUG_INFO(priv, "Toggling associated bit on current RXON\n");
 		active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 
-		ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
-				      sizeof(struct iwl_rxon_cmd),
-				      &priv->active_rxon);
+		ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd,
+				       sizeof(struct iwl_rxon_cmd),
+				       active_rxon);
 
 		/* If the mask clearing failed then we set
 		 * active_rxon back to what it was previously */
@@ -160,9 +164,9 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 			IWL_ERR(priv, "Error clearing ASSOC_MSK (%d)\n", ret);
 			return ret;
 		}
-		iwl_clear_ucode_stations(priv);
-		iwl_restore_stations(priv);
-		ret = iwl_restore_default_wep_keys(priv);
+		iwl_clear_ucode_stations(priv, ctx);
+		iwl_restore_stations(priv, ctx);
+		ret = iwl_restore_default_wep_keys(priv, ctx);
 		if (ret) {
 			IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret);
 			return ret;
@@ -174,27 +178,46 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 		       "* channel = %d\n"
 		       "* bssid = %pM\n",
 		       (new_assoc ? "" : "out"),
-		       le16_to_cpu(priv->staging_rxon.channel),
-		       priv->staging_rxon.bssid_addr);
+		       le16_to_cpu(ctx->staging.channel),
+		       ctx->staging.bssid_addr);
+
+	iwl_set_rxon_hwcrypto(priv, ctx, !priv->cfg->mod_params->sw_crypto);
+
+	if (!old_assoc) {
+		/*
+		 * First of all, before setting associated, we need to
+		 * send RXON timing so the device knows about the DTIM
+		 * period and other timing values
+		 */
+		ret = iwl_send_rxon_timing(priv, ctx);
+		if (ret) {
+			IWL_ERR(priv, "Error setting RXON timing!\n");
+			return ret;
+		}
+	}
 
-	iwl_set_rxon_hwcrypto(priv, !priv->cfg->mod_params->sw_crypto);
+	if (priv->cfg->ops->hcmd->set_pan_params) {
+		ret = priv->cfg->ops->hcmd->set_pan_params(priv);
+		if (ret)
+			return ret;
+	}
 
 	/* Apply the new configuration
 	 * RXON unassoc clears the station table in uCode so restoration of
 	 * stations is needed after it (the RXON command) completes
 	 */
 	if (!new_assoc) {
-		ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
-			      sizeof(struct iwl_rxon_cmd), &priv->staging_rxon);
+		ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd,
+			      sizeof(struct iwl_rxon_cmd), &ctx->staging);
 		if (ret) {
 			IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
 			return ret;
 		}
 		IWL_DEBUG_INFO(priv, "Return from !new_assoc RXON.\n");
-		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
-		iwl_clear_ucode_stations(priv);
-		iwl_restore_stations(priv);
-		ret = iwl_restore_default_wep_keys(priv);
+		memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon));
+		iwl_clear_ucode_stations(priv, ctx);
+		iwl_restore_stations(priv, ctx);
+		ret = iwl_restore_default_wep_keys(priv, ctx);
 		if (ret) {
 			IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret);
 			return ret;
@@ -206,15 +229,15 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 		/* Apply the new configuration
 		 * RXON assoc doesn't clear the station table in uCode,
 		 */
-		ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
-			      sizeof(struct iwl_rxon_cmd), &priv->staging_rxon);
+		ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd,
+			      sizeof(struct iwl_rxon_cmd), &ctx->staging);
 		if (ret) {
 			IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
 			return ret;
 		}
-		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
+		memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon));
 	}
-	iwl_print_rx_config_cmd(priv);
+	iwl_print_rx_config_cmd(priv, ctx);
 
 	iwl_init_sensitivity(priv);
 
@@ -231,10 +254,14 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 
 void iwl_update_chain_flags(struct iwl_priv *priv)
 {
+	struct iwl_rxon_context *ctx;
 
-	if (priv->cfg->ops->hcmd->set_rxon_chain)
-		priv->cfg->ops->hcmd->set_rxon_chain(priv);
-	iwlcore_commit_rxon(priv);
+	if (priv->cfg->ops->hcmd->set_rxon_chain) {
+		for_each_context(priv, ctx) {
+			priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
+			iwlcore_commit_rxon(priv, ctx);
+		}
+	}
 }
 
 static void iwl_clear_free_frames(struct iwl_priv *priv)
@@ -338,6 +365,13 @@ static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
 	 * beacon contents.
 	 */
 
+	lockdep_assert_held(&priv->mutex);
+
+	if (!priv->beacon_ctx) {
+		IWL_ERR(priv, "trying to build beacon w/o beacon context!\n");
+		return -EINVAL;
+	}
+
 	/* Initialize memory */
 	tx_beacon_cmd = &frame->u.beacon;
 	memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
@@ -350,7 +384,7 @@ static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
 
 	/* Set up TX command fields */
 	tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
-	tx_beacon_cmd->tx.sta_id = priv->hw_params.bcast_sta_id;
+	tx_beacon_cmd->tx.sta_id = priv->beacon_ctx->bcast_sta_id;
 	tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
 	tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK |
 		TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK;
@@ -360,7 +394,7 @@ static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
 			frame_size);
 
 	/* Set up packet rate and flags */
-	rate = iwl_rate_get_lowest_plcp(priv);
+	rate = iwl_rate_get_lowest_plcp(priv, priv->beacon_ctx);
 	priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
 					      priv->hw_params.valid_tx_ant);
 	rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
@@ -593,23 +627,84 @@ static void iwl_bg_beacon_update(struct work_struct *work)
 		container_of(work, struct iwl_priv, beacon_update);
 	struct sk_buff *beacon;
 
-	/* Pull updated AP beacon from mac80211. will fail if not in AP mode */
-	beacon = ieee80211_beacon_get(priv->hw, priv->vif);
+	mutex_lock(&priv->mutex);
+	if (!priv->beacon_ctx) {
+		IWL_ERR(priv, "updating beacon w/o beacon context!\n");
+		goto out;
+	}
+
+	if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) {
+		/*
+		 * The ucode will send beacon notifications even in
+		 * IBSS mode, but we don't want to process them. But
+		 * we need to defer the type check to here due to
+		 * requiring locking around the beacon_ctx access.
+		 */
+		goto out;
+	}
 
+	/* Pull updated AP beacon from mac80211. will fail if not in AP mode */
+	beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif);
 	if (!beacon) {
 		IWL_ERR(priv, "update beacon failed\n");
-		return;
+		goto out;
 	}
 
-	mutex_lock(&priv->mutex);
 	/* new beacon skb is allocated every time; dispose previous.*/
 	if (priv->ibss_beacon)
 		dev_kfree_skb(priv->ibss_beacon);
 
 	priv->ibss_beacon = beacon;
-	mutex_unlock(&priv->mutex);
 
 	iwl_send_beacon_cmd(priv);
+ out:
+	mutex_unlock(&priv->mutex);
+}
+
+static void iwl_bg_bt_runtime_config(struct work_struct *work)
+{
+	struct iwl_priv *priv =
+		container_of(work, struct iwl_priv, bt_runtime_config);
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		return;
+
+	/* dont send host command if rf-kill is on */
+	if (!iwl_is_ready_rf(priv))
+		return;
+	priv->cfg->ops->hcmd->send_bt_config(priv);
+}
+
+static void iwl_bg_bt_full_concurrency(struct work_struct *work)
+{
+	struct iwl_priv *priv =
+		container_of(work, struct iwl_priv, bt_full_concurrency);
+	struct iwl_rxon_context *ctx;
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		return;
+
+	/* dont send host command if rf-kill is on */
+	if (!iwl_is_ready_rf(priv))
+		return;
+
+	IWL_DEBUG_INFO(priv, "BT coex in %s mode\n",
+		       priv->bt_full_concurrent ?
+		       "full concurrency" : "3-wire");
+
+	/*
+	 * LQ & RXON updated cmds must be sent before BT Config cmd
+	 * to avoid 3-wire collisions
+	 */
+	mutex_lock(&priv->mutex);
+	for_each_context(priv, ctx) {
+		if (priv->cfg->ops->hcmd->set_rxon_chain)
+			priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
+		iwlcore_commit_rxon(priv, ctx);
+	}
+	mutex_unlock(&priv->mutex);
+
+	priv->cfg->ops->hcmd->send_bt_config(priv);
 }
 
 /**
@@ -781,8 +876,7 @@ static void iwl_rx_beacon_notif(struct iwl_priv *priv,
 
 	priv->ibss_manager = le32_to_cpu(beacon->ibss_mgr_status);
 
-	if ((priv->iw_mode == NL80211_IFTYPE_AP) &&
-	    (!test_bit(STATUS_EXIT_PENDING, &priv->status)))
+	if (!test_bit(STATUS_EXIT_PENDING, &priv->status))
 		queue_work(priv->workqueue, &priv->beacon_update);
 }
 
@@ -1653,6 +1747,7 @@ static void iwl_nic_start(struct iwl_priv *priv)
 struct iwlagn_ucode_capabilities {
 	u32 max_probe_length;
 	u32 standard_phy_calibration_size;
+	bool pan;
 };
 
 static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
@@ -1890,6 +1985,11 @@ static int iwlagn_load_firmware(struct iwl_priv *priv,
 			capa->max_probe_length =
 					le32_to_cpup((__le32 *)tlv_data);
 			break;
+		case IWL_UCODE_TLV_PAN:
+			if (tlv_len)
+				goto invalid_tlv_len;
+			capa->pan = true;
+			break;
 		case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
 			if (tlv_len != sizeof(u32))
 				goto invalid_tlv_len;
@@ -2165,6 +2265,12 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
 		priv->_agn.inst_evtlog_size = priv->cfg->max_event_log_size;
 	priv->_agn.inst_errlog_ptr = pieces.inst_errlog_ptr;
 
+	if (ucode_capa.pan) {
+		priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
+		priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN;
+	} else
+		priv->sta_key_max_num = STA_KEY_MAX_NUM;
+
 	/* Copy images into buffers for card's bus-master reads ... */
 
 	/* Runtime instructions (first block of data in file) */
@@ -2563,6 +2669,9 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
 		return pos;
 	}
 
+	/* enable/disable bt channel announcement */
+	priv->bt_ch_announce = iwlagn_bt_ch_announce;
+
 #ifdef CONFIG_IWLWIFI_DEBUG
 	if (!(iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) && !full_log)
 		size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
@@ -2663,6 +2772,7 @@ static void iwl_rf_kill_ct_config(struct iwl_priv *priv)
 static void iwl_alive_start(struct iwl_priv *priv)
 {
 	int ret = 0;
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
 
@@ -2711,27 +2821,31 @@ static void iwl_alive_start(struct iwl_priv *priv)
 	if (priv->cfg->ops->hcmd->set_tx_ant)
 		priv->cfg->ops->hcmd->set_tx_ant(priv, priv->cfg->valid_tx_ant);
 
-	if (iwl_is_associated(priv)) {
+	if (iwl_is_associated_ctx(ctx)) {
 		struct iwl_rxon_cmd *active_rxon =
-				(struct iwl_rxon_cmd *)&priv->active_rxon;
+				(struct iwl_rxon_cmd *)&ctx->active;
 		/* apply any changes in staging */
-		priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
+		ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
 		active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 	} else {
+		struct iwl_rxon_context *tmp;
 		/* Initialize our rx_config data */
-		iwl_connection_init_rx_config(priv, NULL);
+		for_each_context(priv, tmp)
+			iwl_connection_init_rx_config(priv, tmp);
 
 		if (priv->cfg->ops->hcmd->set_rxon_chain)
-			priv->cfg->ops->hcmd->set_rxon_chain(priv);
+			priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
 	}
 
-	/* Configure Bluetooth device coexistence support */
-	priv->cfg->ops->hcmd->send_bt_config(priv);
+	if (!priv->cfg->advanced_bt_coexist) {
+		/* Configure Bluetooth device coexistence support */
+		priv->cfg->ops->hcmd->send_bt_config(priv);
+	}
 
 	iwl_reset_run_time_calib(priv);
 
 	/* Configure the adapter for unassociated operation */
-	iwlcore_commit_rxon(priv);
+	iwlcore_commit_rxon(priv, ctx);
 
 	/* At this point, the NIC is initialized and operational */
 	iwl_rf_kill_ct_config(priv);
@@ -2764,10 +2878,22 @@ static void __iwl_down(struct iwl_priv *priv)
 	if (!exit_pending)
 		set_bit(STATUS_EXIT_PENDING, &priv->status);
 
-	iwl_clear_ucode_stations(priv);
-	iwl_dealloc_bcast_station(priv);
+	/* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set
+	 * to prevent rearm timer */
+	if (priv->cfg->ops->lib->recover_from_tx_stall)
+		del_timer_sync(&priv->monitor_recover);
+
+	iwl_clear_ucode_stations(priv, NULL);
+	iwl_dealloc_bcast_stations(priv);
 	iwl_clear_driver_stations(priv);
 
+	/* reset BT coex data */
+	priv->bt_status = 0;
+	priv->bt_traffic_load = priv->cfg->bt_init_traffic_load;
+	priv->bt_sco_active = false;
+	priv->bt_full_concurrent = false;
+	priv->bt_ci_compliance = 0;
+
 	/* Unblock any waiting calls */
 	wake_up_interruptible_all(&priv->wait_command_queue);
 
@@ -2900,6 +3026,7 @@ static int iwl_prepare_card_hw(struct iwl_priv *priv)
 
 static int __iwl_up(struct iwl_priv *priv)
 {
+	struct iwl_rxon_context *ctx;
 	int i;
 	int ret;
 
@@ -2913,9 +3040,13 @@ static int __iwl_up(struct iwl_priv *priv)
 		return -EIO;
 	}
 
-	ret = iwl_alloc_bcast_station(priv, true);
-	if (ret)
-		return ret;
+	for_each_context(priv, ctx) {
+		ret = iwl_alloc_bcast_station(priv, ctx, true);
+		if (ret) {
+			iwl_dealloc_bcast_stations(priv);
+			return ret;
+		}
+	}
 
 	iwl_prepare_card_hw(priv);
 
@@ -2940,6 +3071,12 @@ static int __iwl_up(struct iwl_priv *priv)
 
 	iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
 
+	/* must be initialised before iwl_hw_nic_init */
+	if (priv->valid_contexts != BIT(IWL_RXON_CTX_BSS))
+		priv->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM;
+	else
+		priv->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
+
 	ret = iwlagn_hw_nic_init(priv);
 	if (ret) {
 		IWL_ERR(priv, "Unable to init nic\n");
@@ -3070,11 +3207,42 @@ static void iwl_bg_restart(struct work_struct *data)
 		return;
 
 	if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) {
+		struct iwl_rxon_context *ctx;
+		bool bt_sco, bt_full_concurrent;
+		u8 bt_ci_compliance;
+		u8 bt_load;
+		u8 bt_status;
+
 		mutex_lock(&priv->mutex);
-		priv->vif = NULL;
+		for_each_context(priv, ctx)
+			ctx->vif = NULL;
 		priv->is_open = 0;
+
+		/*
+		 * __iwl_down() will clear the BT status variables,
+		 * which is correct, but when we restart we really
+		 * want to keep them so restore them afterwards.
+		 *
+		 * The restart process will later pick them up and
+		 * re-configure the hw when we reconfigure the BT
+		 * command.
+		 */
+		bt_sco = priv->bt_sco_active;
+		bt_full_concurrent = priv->bt_full_concurrent;
+		bt_ci_compliance = priv->bt_ci_compliance;
+		bt_load = priv->bt_traffic_load;
+		bt_status = priv->bt_status;
+
+		__iwl_down(priv);
+
+		priv->bt_sco_active = bt_sco;
+		priv->bt_full_concurrent = bt_full_concurrent;
+		priv->bt_ci_compliance = bt_ci_compliance;
+		priv->bt_traffic_load = bt_load;
+		priv->bt_status = bt_status;
+
 		mutex_unlock(&priv->mutex);
-		iwl_down(priv);
+		iwl_cancel_deferred_work(priv);
 		ieee80211_restart_hw(priv->hw);
 	} else {
 		iwl_down(priv);
@@ -3105,12 +3273,15 @@ static void iwl_bg_rx_replenish(struct work_struct *data)
 
 void iwl_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
 {
+	struct iwl_rxon_context *ctx;
 	struct ieee80211_conf *conf = NULL;
 	int ret = 0;
 
 	if (!vif || !priv->is_open)
 		return;
 
+	ctx = iwl_rxon_ctx_from_vif(vif);
+
 	if (vif->type == NL80211_IFTYPE_AP) {
 		IWL_ERR(priv, "%s Should not be called in AP mode\n", __func__);
 		return;
@@ -3123,42 +3294,42 @@ void iwl_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
 
 	conf = ieee80211_get_hw_conf(priv->hw);
 
-	priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-	iwlcore_commit_rxon(priv);
+	ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+	iwlcore_commit_rxon(priv, ctx);
 
-	ret = iwl_send_rxon_timing(priv, vif);
+	ret = iwl_send_rxon_timing(priv, ctx);
 	if (ret)
-		IWL_WARN(priv, "REPLY_RXON_TIMING failed - "
+		IWL_WARN(priv, "RXON timing - "
 			    "Attempting to continue.\n");
 
-	priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
+	ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
 
 	iwl_set_rxon_ht(priv, &priv->current_ht_config);
 
 	if (priv->cfg->ops->hcmd->set_rxon_chain)
-		priv->cfg->ops->hcmd->set_rxon_chain(priv);
+		priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
 
-	priv->staging_rxon.assoc_id = cpu_to_le16(vif->bss_conf.aid);
+	ctx->staging.assoc_id = cpu_to_le16(vif->bss_conf.aid);
 
 	IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n",
 			vif->bss_conf.aid, vif->bss_conf.beacon_int);
 
 	if (vif->bss_conf.use_short_preamble)
-		priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+		ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
 	else
-		priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+		ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
 
-	if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
+	if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) {
 		if (vif->bss_conf.use_short_slot)
-			priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
+			ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
 		else
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
+			ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
 	}
 
-	iwlcore_commit_rxon(priv);
+	iwlcore_commit_rxon(priv, ctx);
 
 	IWL_DEBUG_ASSOC(priv, "Associated as %d to: %pM\n",
-			vif->bss_conf.aid, priv->active_rxon.bssid_addr);
+			vif->bss_conf.aid, ctx->active.bssid_addr);
 
 	switch (vif->type) {
 	case NL80211_IFTYPE_STATION:
@@ -3201,11 +3372,14 @@ static int iwl_mac_setup_register(struct iwl_priv *priv,
 {
 	int ret;
 	struct ieee80211_hw *hw = priv->hw;
+	struct iwl_rxon_context *ctx;
+
 	hw->rate_control_algorithm = "iwl-agn-rs";
 
 	/* Tell mac80211 our characteristics */
 	hw->flags = IEEE80211_HW_SIGNAL_DBM |
 		    IEEE80211_HW_AMPDU_AGGREGATION |
+		    IEEE80211_HW_NEED_DTIM_PERIOD |
 		    IEEE80211_HW_SPECTRUM_MGMT;
 
 	if (!priv->cfg->broken_powersave)
@@ -3219,9 +3393,10 @@ static int iwl_mac_setup_register(struct iwl_priv *priv,
 	hw->sta_data_size = sizeof(struct iwl_station_priv);
 	hw->vif_data_size = sizeof(struct iwl_vif_priv);
 
-	hw->wiphy->interface_modes =
-		BIT(NL80211_IFTYPE_STATION) |
-		BIT(NL80211_IFTYPE_ADHOC);
+	for_each_context(priv, ctx) {
+		hw->wiphy->interface_modes |= ctx->interface_modes;
+		hw->wiphy->interface_modes |= ctx->exclusive_interface_modes;
+	}
 
 	hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
 			    WIPHY_FLAG_DISABLE_BEACON_HINTS;
@@ -3349,22 +3524,25 @@ static int iwl_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
 {
+	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
 	int ret = 0;
 
+	lockdep_assert_held(&priv->mutex);
+
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
 
 	/* The following should be done only at AP bring up */
-	if (!iwl_is_associated(priv)) {
+	if (!iwl_is_associated_ctx(ctx)) {
 
 		/* RXON - unassoc (to set timing command) */
-		priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-		iwlcore_commit_rxon(priv);
+		ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+		iwlcore_commit_rxon(priv, ctx);
 
 		/* RXON Timing */
-		ret = iwl_send_rxon_timing(priv, vif);
+		ret = iwl_send_rxon_timing(priv, ctx);
 		if (ret)
-			IWL_WARN(priv, "REPLY_RXON_TIMING failed - "
+			IWL_WARN(priv, "RXON timing failed - "
 					"Attempting to continue.\n");
 
 		/* AP has all antennas */
@@ -3372,28 +3550,30 @@ void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
 			priv->hw_params.valid_rx_ant;
 		iwl_set_rxon_ht(priv, &priv->current_ht_config);
 		if (priv->cfg->ops->hcmd->set_rxon_chain)
-			priv->cfg->ops->hcmd->set_rxon_chain(priv);
+			priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
 
-		priv->staging_rxon.assoc_id = 0;
+		ctx->staging.assoc_id = 0;
 
 		if (vif->bss_conf.use_short_preamble)
-			priv->staging_rxon.flags |=
+			ctx->staging.flags |=
 				RXON_FLG_SHORT_PREAMBLE_MSK;
 		else
-			priv->staging_rxon.flags &=
+			ctx->staging.flags &=
 				~RXON_FLG_SHORT_PREAMBLE_MSK;
 
-		if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
+		if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) {
 			if (vif->bss_conf.use_short_slot)
-				priv->staging_rxon.flags |=
+				ctx->staging.flags |=
 					RXON_FLG_SHORT_SLOT_MSK;
 			else
-				priv->staging_rxon.flags &=
+				ctx->staging.flags &=
 					~RXON_FLG_SHORT_SLOT_MSK;
 		}
+		/* need to send beacon cmd before committing assoc RXON! */
+		iwl_send_beacon_cmd(priv);
 		/* restore RXON assoc */
-		priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
-		iwlcore_commit_rxon(priv);
+		ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
+		iwlcore_commit_rxon(priv, ctx);
 	}
 	iwl_send_beacon_cmd(priv);
 
@@ -3410,9 +3590,11 @@ static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw,
 {
 
 	struct iwl_priv *priv = hw->priv;
+	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
+
 	IWL_DEBUG_MAC80211(priv, "enter\n");
 
-	iwl_update_tkip_key(priv, keyconf, sta,
+	iwl_update_tkip_key(priv, vif_priv->ctx, keyconf, sta,
 			    iv32, phase1key);
 
 	IWL_DEBUG_MAC80211(priv, "leave\n");
@@ -3424,6 +3606,8 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 			   struct ieee80211_key_conf *key)
 {
 	struct iwl_priv *priv = hw->priv;
+	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
+	struct iwl_rxon_context *ctx = vif_priv->ctx;
 	int ret;
 	u8 sta_id;
 	bool is_default_wep_key = false;
@@ -3435,7 +3619,7 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		return -EOPNOTSUPP;
 	}
 
-	sta_id = iwl_sta_id_or_broadcast(priv, sta);
+	sta_id = iwl_sta_id_or_broadcast(priv, vif_priv->ctx, sta);
 	if (sta_id == IWL_INVALID_STATION)
 		return -EINVAL;
 
@@ -3452,7 +3636,7 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	     key->cipher == WLAN_CIPHER_SUITE_WEP104) &&
 	    !sta) {
 		if (cmd == SET_KEY)
-			is_default_wep_key = !priv->key_mapping_key;
+			is_default_wep_key = !ctx->key_mapping_keys;
 		else
 			is_default_wep_key =
 					(key->hw_key_idx == HW_KEY_DEFAULT);
@@ -3461,17 +3645,18 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	switch (cmd) {
 	case SET_KEY:
 		if (is_default_wep_key)
-			ret = iwl_set_default_wep_key(priv, key);
+			ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key);
 		else
-			ret = iwl_set_dynamic_key(priv, key, sta_id);
+			ret = iwl_set_dynamic_key(priv, vif_priv->ctx,
+						  key, sta_id);
 
 		IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n");
 		break;
 	case DISABLE_KEY:
 		if (is_default_wep_key)
-			ret = iwl_remove_default_wep_key(priv, key);
+			ret = iwl_remove_default_wep_key(priv, ctx, key);
 		else
-			ret = iwl_remove_dynamic_key(priv, key, sta_id);
+			ret = iwl_remove_dynamic_key(priv, ctx, key, sta_id);
 
 		IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n");
 		break;
@@ -3540,8 +3725,8 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
 
 			sta_priv->lq_sta.lq.general_params.flags &=
 				~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
-			iwl_send_lq_cmd(priv, &sta_priv->lq_sta.lq,
-				CMD_ASYNC, false);
+			iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
+					&sta_priv->lq_sta.lq, CMD_ASYNC, false);
 		}
 		break;
 	case IEEE80211_AMPDU_TX_OPERATIONAL:
@@ -3556,8 +3741,8 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
 
 			sta_priv->lq_sta.lq.general_params.flags |=
 				LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
-			iwl_send_lq_cmd(priv, &sta_priv->lq_sta.lq,
-				CMD_ASYNC, false);
+			iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
+					&sta_priv->lq_sta.lq, CMD_ASYNC, false);
 		}
 		ret = 0;
 		break;
@@ -3603,6 +3788,7 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
 {
 	struct iwl_priv *priv = hw->priv;
 	struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
 	bool is_ap = vif->type == NL80211_IFTYPE_STATION;
 	int ret;
 	u8 sta_id;
@@ -3618,8 +3804,8 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
 	if (vif->type == NL80211_IFTYPE_AP)
 		sta_priv->client = true;
 
-	ret = iwl_add_station_common(priv, sta->addr, is_ap, &sta->ht_cap,
-				     &sta_id);
+	ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr,
+				     is_ap, sta, &sta_id);
 	if (ret) {
 		IWL_ERR(priv, "Unable to add station %pM (%d)\n",
 			sta->addr, ret);
@@ -3647,6 +3833,15 @@ static void iwl_mac_channel_switch(struct ieee80211_hw *hw,
 	struct ieee80211_conf *conf = &hw->conf;
 	struct ieee80211_channel *channel = ch_switch->channel;
 	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
+	/*
+	 * MULTI-FIXME
+	 * When we add support for multiple interfaces, we need to
+	 * revisit this. The channel switch command in the device
+	 * only affects the BSS context, but what does that really
+	 * mean? And what if we get a CSA on the second interface?
+	 * This needs a lot of work.
+	 */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	u16 ch;
 	unsigned long flags = 0;
 
@@ -3659,7 +3854,7 @@ static void iwl_mac_channel_switch(struct ieee80211_hw *hw,
 	    test_bit(STATUS_SCANNING, &priv->status))
 		goto out_exit;
 
-	if (!iwl_is_associated(priv))
+	if (!iwl_is_associated_ctx(ctx))
 		goto out_exit;
 
 	/* channel switch in progress */
@@ -3670,7 +3865,7 @@ static void iwl_mac_channel_switch(struct ieee80211_hw *hw,
 	if (priv->cfg->ops->lib->set_channel_switch) {
 
 		ch = channel->hw_value;
-		if (le16_to_cpu(priv->active_rxon.channel) != ch) {
+		if (le16_to_cpu(ctx->active.channel) != ch) {
 			ch_info = iwl_get_channel_info(priv,
 						       channel->band,
 						       ch);
@@ -3683,31 +3878,31 @@ static void iwl_mac_channel_switch(struct ieee80211_hw *hw,
 			priv->current_ht_config.smps = conf->smps_mode;
 
 			/* Configure HT40 channels */
-			ht_conf->is_ht = conf_is_ht(conf);
-			if (ht_conf->is_ht) {
+			ctx->ht.enabled = conf_is_ht(conf);
+			if (ctx->ht.enabled) {
 				if (conf_is_ht40_minus(conf)) {
-					ht_conf->extension_chan_offset =
+					ctx->ht.extension_chan_offset =
 						IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-					ht_conf->is_40mhz = true;
+					ctx->ht.is_40mhz = true;
 				} else if (conf_is_ht40_plus(conf)) {
-					ht_conf->extension_chan_offset =
+					ctx->ht.extension_chan_offset =
 						IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-					ht_conf->is_40mhz = true;
+					ctx->ht.is_40mhz = true;
 				} else {
-					ht_conf->extension_chan_offset =
+					ctx->ht.extension_chan_offset =
 						IEEE80211_HT_PARAM_CHA_SEC_NONE;
-					ht_conf->is_40mhz = false;
+					ctx->ht.is_40mhz = false;
 				}
 			} else
-				ht_conf->is_40mhz = false;
+				ctx->ht.is_40mhz = false;
 
-			if (le16_to_cpu(priv->staging_rxon.channel) != ch)
-				priv->staging_rxon.flags = 0;
+			if ((le16_to_cpu(ctx->staging.channel) != ch))
+				ctx->staging.flags = 0;
 
-			iwl_set_rxon_channel(priv, channel);
+			iwl_set_rxon_channel(priv, channel, ctx);
 			iwl_set_rxon_ht(priv, ht_conf);
-			iwl_set_flags_for_band(priv, channel->band,
-					       priv->vif);
+			iwl_set_flags_for_band(priv, ctx, channel->band,
+					       ctx->vif);
 			spin_unlock_irqrestore(&priv->lock, flags);
 
 			iwl_set_rate(priv);
@@ -3724,7 +3919,7 @@ out:
 	mutex_unlock(&priv->mutex);
 out_exit:
 	if (!priv->switch_rxon.switch_in_progress)
-		ieee80211_chswitch_done(priv->vif, false);
+		ieee80211_chswitch_done(ctx->vif, false);
 	IWL_DEBUG_MAC80211(priv, "leave\n");
 }
 
@@ -3735,6 +3930,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw,
 {
 	struct iwl_priv *priv = hw->priv;
 	__le32 filter_or = 0, filter_nand = 0;
+	struct iwl_rxon_context *ctx;
 
 #define CHK(test, flag)	do { \
 	if (*total_flags & (test))		\
@@ -3754,10 +3950,11 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw,
 
 	mutex_lock(&priv->mutex);
 
-	priv->staging_rxon.filter_flags &= ~filter_nand;
-	priv->staging_rxon.filter_flags |= filter_or;
-
-	iwlcore_commit_rxon(priv);
+	for_each_context(priv, ctx) {
+		ctx->staging.filter_flags &= ~filter_nand;
+		ctx->staging.filter_flags |= filter_or;
+		iwlcore_commit_rxon(priv, ctx);
+	}
 
 	mutex_unlock(&priv->mutex);
 
@@ -3826,6 +4023,8 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv)
 	INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
 	INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
 	INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush);
+	INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency);
+	INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config);
 	INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start);
 	INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start);
 
@@ -3868,10 +4067,10 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv)
 	cancel_delayed_work(&priv->alive_start);
 	cancel_work_sync(&priv->run_time_calib_work);
 	cancel_work_sync(&priv->beacon_update);
+	cancel_work_sync(&priv->bt_full_concurrency);
+	cancel_work_sync(&priv->bt_runtime_config);
 	del_timer_sync(&priv->statistics_periodic);
 	del_timer_sync(&priv->ucode_trace);
-	if (priv->cfg->ops->lib->recover_from_tx_stall)
-		del_timer_sync(&priv->monitor_recover);
 }
 
 static void iwl_init_hw_rates(struct iwl_priv *priv,
@@ -3926,10 +4125,22 @@ static int iwl_init_drv(struct iwl_priv *priv)
 
 	/* Choose which receivers/antennas to use */
 	if (priv->cfg->ops->hcmd->set_rxon_chain)
-		priv->cfg->ops->hcmd->set_rxon_chain(priv);
+		priv->cfg->ops->hcmd->set_rxon_chain(priv,
+					&priv->contexts[IWL_RXON_CTX_BSS]);
 
 	iwl_init_scan_params(priv);
 
+	/* init bt coex */
+	if (priv->cfg->advanced_bt_coexist) {
+		priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
+		priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
+		priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
+		priv->bt_on_thresh = BT_ON_THRESHOLD_DEF;
+		priv->bt_duration = BT_DURATION_LIMIT_DEF;
+		priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF;
+		priv->dynamic_agg_thresh = BT_AGG_THRESHOLD_DEF;
+	}
+
 	/* Set the tx_power_user_lmt to the lowest power level
 	 * this value will get overwritten by channel max power avg
 	 * from eeprom */
@@ -4013,9 +4224,31 @@ static int iwl_set_hw_params(struct iwl_priv *priv)
 	return priv->cfg->ops->lib->set_hw_params(priv);
 }
 
+static const u8 iwlagn_bss_ac_to_fifo[] = {
+	IWL_TX_FIFO_VO,
+	IWL_TX_FIFO_VI,
+	IWL_TX_FIFO_BE,
+	IWL_TX_FIFO_BK,
+};
+
+static const u8 iwlagn_bss_ac_to_queue[] = {
+	0, 1, 2, 3,
+};
+
+static const u8 iwlagn_pan_ac_to_fifo[] = {
+	IWL_TX_FIFO_VO_IPAN,
+	IWL_TX_FIFO_VI_IPAN,
+	IWL_TX_FIFO_BE_IPAN,
+	IWL_TX_FIFO_BK_IPAN,
+};
+
+static const u8 iwlagn_pan_ac_to_queue[] = {
+	7, 6, 5, 4,
+};
+
 static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-	int err = 0;
+	int err = 0, i;
 	struct iwl_priv *priv;
 	struct ieee80211_hw *hw;
 	struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
@@ -4043,6 +4276,51 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	priv = hw->priv;
 	/* At this point both hw and priv are allocated. */
 
+	/*
+	 * The default context is always valid,
+	 * more may be discovered when firmware
+	 * is loaded.
+	 */
+	priv->valid_contexts = BIT(IWL_RXON_CTX_BSS);
+
+	for (i = 0; i < NUM_IWL_RXON_CTX; i++)
+		priv->contexts[i].ctxid = i;
+
+	priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON;
+	priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING;
+	priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC;
+	priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM;
+	priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID;
+	priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY;
+	priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo = iwlagn_bss_ac_to_fifo;
+	priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue = iwlagn_bss_ac_to_queue;
+	priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes =
+		BIT(NL80211_IFTYPE_ADHOC);
+	priv->contexts[IWL_RXON_CTX_BSS].interface_modes =
+		BIT(NL80211_IFTYPE_STATION);
+	priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS;
+	priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS;
+	priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS;
+
+	priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON;
+	priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = REPLY_WIPAN_RXON_TIMING;
+	priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd = REPLY_WIPAN_RXON_ASSOC;
+	priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM;
+	priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN;
+	priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY;
+	priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID;
+	priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION;
+	priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo = iwlagn_pan_ac_to_fifo;
+	priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue = iwlagn_pan_ac_to_queue;
+	priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE;
+	priv->contexts[IWL_RXON_CTX_PAN].interface_modes =
+		BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP);
+	priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
+	priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
+	priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
+
+	BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
+
 	SET_IEEE80211_DEV(hw, &pdev->dev);
 
 	IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n");
@@ -4050,6 +4328,14 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	priv->pci_dev = pdev;
 	priv->inta_mask = CSR_INI_SET_MASK;
 
+	/* is antenna coupling more than 35dB ? */
+	priv->bt_ant_couple_ok =
+		(iwlagn_ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD) ?
+		true : false;
+
+	/* enable/disable bt channel announcement */
+	priv->bt_ch_announce = iwlagn_bt_ch_announce;
+
 	if (iwl_alloc_traffic_mem(priv))
 		IWL_ERR(priv, "Not enough memory to generate traffic log\n");
 
@@ -4583,3 +4869,11 @@ module_param_named(ucode_alternative, iwlagn_wanted_ucode_alternative, int,
 		   S_IRUGO);
 MODULE_PARM_DESC(ucode_alternative,
 		 "specify ucode alternative to use from ucode file");
+
+module_param_named(antenna_coupling, iwlagn_ant_coupling, int, S_IRUGO);
+MODULE_PARM_DESC(antenna_coupling,
+		 "specify antenna coupling in dB (defualt: 0 dB)");
+
+module_param_named(bt_ch_announce, iwlagn_bt_ch_announce, bool, S_IRUGO);
+MODULE_PARM_DESC(bt_ch_announce,
+		 "Enable BT channel announcement mode (default: enable)");

drivers/net/wireless/iwlwifi/iwl-agn.h

@@ -95,6 +95,7 @@ extern struct iwl_cfg iwl1000_bg_cfg;
 
 extern struct iwl_mod_params iwlagn_mod_params;
 extern struct iwl_hcmd_ops iwlagn_hcmd;
+extern struct iwl_hcmd_ops iwlagn_bt_hcmd;
 extern struct iwl_hcmd_utils_ops iwlagn_hcmd_utils;
 
 int iwl_reset_ict(struct iwl_priv *priv);
@@ -223,7 +224,16 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv,
 			       struct ieee80211_vif *vif, bool add);
 
 /* hcmd */
-int iwlagn_send_rxon_assoc(struct iwl_priv *priv);
+int iwlagn_send_rxon_assoc(struct iwl_priv *priv,
+			   struct iwl_rxon_context *ctx);
 int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant);
 
+/* bt coex */
+void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
+void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
+				  struct iwl_rx_mem_buffer *rxb);
+void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
+void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
+void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
+
 #endif /* __iwl_agn_h__ */

drivers/net/wireless/iwlwifi/iwl-commands.h

@@ -62,7 +62,7 @@
  *****************************************************************************/
 /*
  * Please use this file (iwl-commands.h) only for uCode API definitions.
- * Please use iwl-4965-hw.h for hardware-related definitions.
+ * Please use iwl-xxxx-hw.h for hardware-related definitions.
  * Please use iwl-dev.h for driver implementation definitions.
  */
 
@@ -173,6 +173,23 @@ enum {
 	REPLY_RX_MPDU_CMD = 0xc1,
 	REPLY_RX = 0xc3,
 	REPLY_COMPRESSED_BA = 0xc5,
+
+	/* BT Coex */
+	REPLY_BT_COEX_PRIO_TABLE = 0xcc,
+	REPLY_BT_COEX_PROT_ENV = 0xcd,
+	REPLY_BT_COEX_PROFILE_NOTIF = 0xce,
+	REPLY_BT_COEX_SCO = 0xcf,
+
+	/* PAN commands */
+	REPLY_WIPAN_PARAMS = 0xb2,
+	REPLY_WIPAN_RXON = 0xb3,	/* use REPLY_RXON structure */
+	REPLY_WIPAN_RXON_TIMING = 0xb4,	/* use REPLY_RXON_TIMING structure */
+	REPLY_WIPAN_RXON_ASSOC = 0xb6,	/* use REPLY_RXON_ASSOC structure */
+	REPLY_WIPAN_QOS_PARAM = 0xb7,	/* use REPLY_QOS_PARAM structure */
+	REPLY_WIPAN_WEPKEY = 0xb8,	/* use REPLY_WEPKEY structure */
+	REPLY_WIPAN_P2P_CHANNEL_SWITCH = 0xb9,
+	REPLY_WIPAN_NOA_NOTIFICATION = 0xbc,
+
 	REPLY_MAX = 0xff
 };
 
@@ -600,6 +617,9 @@ enum {
 	RXON_DEV_TYPE_ESS = 3,
 	RXON_DEV_TYPE_IBSS = 4,
 	RXON_DEV_TYPE_SNIFFER = 6,
+	RXON_DEV_TYPE_CP = 7,
+	RXON_DEV_TYPE_2STA = 8,
+	RXON_DEV_TYPE_P2P = 9,
 };
 
 
@@ -816,7 +836,8 @@ struct iwl_rxon_time_cmd {
 	__le16 atim_window;
 	__le32 beacon_init_val;
 	__le16 listen_interval;
-	__le16 reserved;
+	u8 dtim_period;
+	u8 delta_cp_bss_tbtts;
 } __packed;
 
 /*
@@ -953,11 +974,13 @@ struct iwl_qosparam_cmd {
 
 /* Special, dedicated locations within device's station table */
 #define	IWL_AP_ID		0
+#define	IWL_AP_ID_PAN		1
 #define	IWL_STA_ID		2
 #define	IWL3945_BROADCAST_ID	24
 #define IWL3945_STATION_COUNT	25
 #define IWL4965_BROADCAST_ID	31
 #define	IWL4965_STATION_COUNT	32
+#define IWLAGN_PAN_BCAST_ID	14
 #define IWLAGN_BROADCAST_ID	15
 #define	IWLAGN_STATION_COUNT	16
 
@@ -966,6 +989,7 @@ struct iwl_qosparam_cmd {
 
 #define STA_FLG_TX_RATE_MSK		cpu_to_le32(1 << 2)
 #define STA_FLG_PWR_SAVE_MSK		cpu_to_le32(1 << 8)
+#define STA_FLG_PAN_STATION		cpu_to_le32(1 << 13)
 #define STA_FLG_RTS_MIMO_PROT_MSK	cpu_to_le32(1 << 17)
 #define STA_FLG_AGG_MPDU_8US_MSK	cpu_to_le32(1 << 18)
 #define STA_FLG_MAX_AGG_SIZE_POS	(19)
@@ -994,6 +1018,7 @@ struct iwl_qosparam_cmd {
 #define STA_KEY_FLG_KEY_SIZE_MSK     cpu_to_le16(0x1000)
 #define STA_KEY_MULTICAST_MSK        cpu_to_le16(0x4000)
 #define STA_KEY_MAX_NUM		8
+#define STA_KEY_MAX_NUM_PAN	16
 
 /* Flags indicate whether to modify vs. don't change various station params */
 #define	STA_MODIFY_KEY_MASK		0x01
@@ -1056,7 +1081,8 @@ struct sta_id_modify {
  *
  * The device contains an internal table of per-station information,
  * with info on security keys, aggregation parameters, and Tx rates for
- * initial Tx attempt and any retries (4965 uses REPLY_TX_LINK_QUALITY_CMD,
+ * initial Tx attempt and any retries (agn devices uses
+ * REPLY_TX_LINK_QUALITY_CMD,
  * 3945 uses REPLY_RATE_SCALE to set up rate tables).
  *
  * REPLY_ADD_STA sets up the table entry for one station, either creating
@@ -1427,12 +1453,12 @@ struct iwl_rx_mpdu_res_start {
  * uCode handles all timing and protocol related to control frames
  * (RTS/CTS/ACK), based on flags in the Tx command.  uCode and Tx scheduler
  * handle reception of block-acks; uCode updates the host driver via
- * REPLY_COMPRESSED_BA (4965).
+ * REPLY_COMPRESSED_BA.
  *
  * uCode handles retrying Tx when an ACK is expected but not received.
  * This includes trying lower data rates than the one requested in the Tx
  * command, as set up by the REPLY_RATE_SCALE (for 3945) or
- * REPLY_TX_LINK_QUALITY_CMD (4965).
+ * REPLY_TX_LINK_QUALITY_CMD (agn).
  *
  * Driver sets up transmit power for various rates via REPLY_TX_PWR_TABLE_CMD.
  * This command must be executed after every RXON command, before Tx can occur.
@@ -1468,7 +1494,7 @@ struct iwl_rx_mpdu_res_start {
  * Set this for unicast frames, but not broadcast/multicast. */
 #define TX_CMD_FLG_ACK_MSK cpu_to_le32(1 << 3)
 
-/* For 4965:
+/* For agn devices:
  * 1: Use rate scale table (see REPLY_TX_LINK_QUALITY_CMD).
  *    Tx command's initial_rate_index indicates first rate to try;
  *    uCode walks through table for additional Tx attempts.
@@ -1487,7 +1513,7 @@ struct iwl_rx_mpdu_res_start {
  */
 #define TX_CMD_FLG_FULL_TXOP_PROT_MSK cpu_to_le32(1 << 7)
 
-/* Tx antenna selection field; used only for 3945, reserved (0) for 4965.
+/* Tx antenna selection field; used only for 3945, reserved (0) for agn devices.
  * Set field to "0" to allow 3945 uCode to select antenna (normal usage). */
 #define TX_CMD_FLG_ANT_SEL_MSK cpu_to_le32(0xf00)
 #define TX_CMD_FLG_ANT_A_MSK cpu_to_le32(1 << 8)
@@ -1870,9 +1896,10 @@ enum {
  *     frame in this new agg block failed in previous agg block(s).
  *
  *     Note that, for aggregation, ACK (block-ack) status is not delivered here;
- *     block-ack has not been received by the time the 4965 records this status.
+ *     block-ack has not been received by the time the agn device records
+ *     this status.
  *     This status relates to reasons the tx might have been blocked or aborted
- *     within the sending station (this 4965), rather than whether it was
+ *     within the sending station (this agn device), rather than whether it was
  *     received successfully by the destination station.
  */
 struct agg_tx_status {
@@ -2140,14 +2167,16 @@ struct iwl_link_qual_agg_params {
 /*
  * REPLY_TX_LINK_QUALITY_CMD = 0x4e (command, has simple generic response)
  *
- * For 4965 only; 3945 uses REPLY_RATE_SCALE.
+ * For agn devices only; 3945 uses REPLY_RATE_SCALE.
  *
- * Each station in the 4965's internal station table has its own table of 16
+ * Each station in the agn device's internal station table has its own table
+ * of 16
  * Tx rates and modulation modes (e.g. legacy/SISO/MIMO) for retrying Tx when
  * an ACK is not received.  This command replaces the entire table for
  * one station.
  *
- * NOTE:  Station must already be in 4965's station table.  Use REPLY_ADD_STA.
+ * NOTE:  Station must already be in agn device's station table.
+ *	  Use REPLY_ADD_STA.
  *
  * The rate scaling procedures described below work well.  Of course, other
  * procedures are possible, and may work better for particular environments.
@@ -2184,12 +2213,12 @@ struct iwl_link_qual_agg_params {
  *
  * ACCUMULATING HISTORY
  *
- * The rate scaling algorithm for 4965, as implemented in Linux driver, uses
- * two sets of frame Tx success history:  One for the current/active modulation
- * mode, and one for a speculative/search mode that is being attempted.  If the
- * speculative mode turns out to be more effective (i.e. actual transfer
- * rate is better), then the driver continues to use the speculative mode
- * as the new current active mode.
+ * The rate scaling algorithm for agn devices, as implemented in Linux driver,
+ * uses two sets of frame Tx success history:  One for the current/active
+ * modulation mode, and one for a speculative/search mode that is being
+ * attempted. If the speculative mode turns out to be more effective (i.e.
+ * actual transfer rate is better), then the driver continues to use the
+ * speculative mode as the new current active mode.
  *
  * Each history set contains, separately for each possible rate, data for a
  * sliding window of the 62 most recent tx attempts at that rate.  The data
@@ -2200,12 +2229,12 @@ struct iwl_link_qual_agg_params {
  * The driver uses the bit map to remove successes from the success sum, as
  * the oldest tx attempts fall out of the window.
  *
- * When the 4965 makes multiple tx attempts for a given frame, each attempt
- * might be at a different rate, and have different modulation characteristics
- * (e.g. antenna, fat channel, short guard interval), as set up in the rate
- * scaling table in the Link Quality command.  The driver must determine
- * which rate table entry was used for each tx attempt, to determine which
- * rate-specific history to update, and record only those attempts that
+ * When the agn device makes multiple tx attempts for a given frame, each
+ * attempt might be at a different rate, and have different modulation
+ * characteristics (e.g. antenna, fat channel, short guard interval), as set
+ * up in the rate scaling table in the Link Quality command.  The driver must
+ * determine which rate table entry was used for each tx attempt, to determine
+ * which rate-specific history to update, and record only those attempts that
  * match the modulation characteristics of the history set.
  *
  * When using block-ack (aggregation), all frames are transmitted at the same
@@ -2335,7 +2364,7 @@ struct iwl_link_quality_cmd {
 	/*
 	 * Rate info; when using rate-scaling, Tx command's initial_rate_index
 	 * specifies 1st Tx rate attempted, via index into this table.
-	 * 4965 works its way through table when retrying Tx.
+	 * agn devices works its way through table when retrying Tx.
 	 */
 	struct {
 		__le32 rate_n_flags;	/* RATE_MCS_*, IWL_RATE_* */
@@ -2368,10 +2397,26 @@ struct iwl_link_quality_cmd {
 #define BT_MAX_KILL_DEF (0x5)
 #define BT_MAX_KILL_MAX (0xFF)
 
+#define BT_DURATION_LIMIT_DEF	625
+#define BT_DURATION_LIMIT_MAX	1250
+#define BT_DURATION_LIMIT_MIN	625
+
+#define BT_ON_THRESHOLD_DEF	4
+#define BT_ON_THRESHOLD_MAX	1000
+#define BT_ON_THRESHOLD_MIN	1
+
+#define BT_FRAG_THRESHOLD_DEF	0
+#define BT_FRAG_THRESHOLD_MAX	0
+#define BT_FRAG_THRESHOLD_MIN	0
+
+#define BT_AGG_THRESHOLD_DEF	0
+#define BT_AGG_THRESHOLD_MAX	0
+#define BT_AGG_THRESHOLD_MIN	0
+
 /*
  * REPLY_BT_CONFIG = 0x9b (command, has simple generic response)
  *
- * 3945 and 4965 support hardware handshake with Bluetooth device on
+ * 3945 and agn devices support hardware handshake with Bluetooth device on
  * same platform.  Bluetooth device alerts wireless device when it will Tx;
  * wireless device can delay or kill its own Tx to accommodate.
  */
@@ -2384,6 +2429,74 @@ struct iwl_bt_cmd {
 	__le32 kill_cts_mask;
 } __packed;
 
+#define IWLAGN_BT_FLAG_CHANNEL_INHIBITION	BIT(0)
+
+#define IWLAGN_BT_FLAG_COEX_MODE_MASK		(BIT(3)|BIT(4)|BIT(5))
+#define IWLAGN_BT_FLAG_COEX_MODE_SHIFT		3
+#define IWLAGN_BT_FLAG_COEX_MODE_DISABLED	0
+#define IWLAGN_BT_FLAG_COEX_MODE_LEGACY_2W	1
+#define IWLAGN_BT_FLAG_COEX_MODE_3W		2
+#define IWLAGN_BT_FLAG_COEX_MODE_4W		3
+
+#define IWLAGN_BT_FLAG_UCODE_DEFAULT	BIT(6)
+#define IWLAGN_BT_FLAG_NOCOEX_NOTIF	BIT(7)
+
+#define IWLAGN_BT_PRIO_BOOST_MAX	0xFF
+#define IWLAGN_BT_PRIO_BOOST_MIN	0x00
+#define IWLAGN_BT_PRIO_BOOST_DEFAULT	0xF0
+
+#define IWLAGN_BT_MAX_KILL_DEFAULT	5
+
+#define IWLAGN_BT3_T7_DEFAULT		1
+
+#define IWLAGN_BT_KILL_ACK_MASK_DEFAULT	cpu_to_le32(0xffffffff)
+#define IWLAGN_BT_KILL_CTS_MASK_DEFAULT	cpu_to_le32(0xffffffff)
+
+#define IWLAGN_BT3_PRIO_SAMPLE_DEFAULT	2
+
+#define IWLAGN_BT3_T2_DEFAULT		0xc
+
+#define IWLAGN_BT_VALID_ENABLE_FLAGS	cpu_to_le16(BIT(0))
+#define IWLAGN_BT_VALID_BOOST		cpu_to_le16(BIT(1))
+#define IWLAGN_BT_VALID_MAX_KILL	cpu_to_le16(BIT(2))
+#define IWLAGN_BT_VALID_3W_TIMERS	cpu_to_le16(BIT(3))
+#define IWLAGN_BT_VALID_KILL_ACK_MASK	cpu_to_le16(BIT(4))
+#define IWLAGN_BT_VALID_KILL_CTS_MASK	cpu_to_le16(BIT(5))
+#define IWLAGN_BT_VALID_BT4_TIMES	cpu_to_le16(BIT(6))
+#define IWLAGN_BT_VALID_3W_LUT		cpu_to_le16(BIT(7))
+
+#define IWLAGN_BT_ALL_VALID_MSK		(IWLAGN_BT_VALID_ENABLE_FLAGS | \
+					IWLAGN_BT_VALID_BOOST | \
+					IWLAGN_BT_VALID_MAX_KILL | \
+					IWLAGN_BT_VALID_3W_TIMERS | \
+					IWLAGN_BT_VALID_KILL_ACK_MASK | \
+					IWLAGN_BT_VALID_KILL_CTS_MASK | \
+					IWLAGN_BT_VALID_BT4_TIMES | \
+					IWLAGN_BT_VALID_3W_LUT)
+
+struct iwlagn_bt_cmd {
+	u8 flags;
+	u8 ledtime; /* unused */
+	u8 max_kill;
+	u8 bt3_timer_t7_value;
+	__le32 kill_ack_mask;
+	__le32 kill_cts_mask;
+	u8 bt3_prio_sample_time;
+	u8 bt3_timer_t2_value;
+	__le16 bt4_reaction_time; /* unused */
+	__le32 bt3_lookup_table[12];
+	__le16 bt4_decision_time; /* unused */
+	__le16 valid;
+	u8 prio_boost;
+	u8 reserved[3];
+};
+
+#define IWLAGN_BT_SCO_ACTIVE	cpu_to_le32(BIT(0))
+
+struct iwlagn_bt_sco_cmd {
+	__le32 flags;
+};
+
 /******************************************************************************
  * (6)
  * Spectrum Management (802.11h) Commands, Responses, Notifications:
@@ -2572,7 +2685,7 @@ struct iwl_powertable_cmd {
 
 /*
  * PM_SLEEP_NOTIFICATION = 0x7A (notification only, not a command)
- * 3945 and 4965 identical.
+ * all devices identical.
  */
 struct iwl_sleep_notification {
 	u8 pm_sleep_mode;
@@ -2583,7 +2696,7 @@ struct iwl_sleep_notification {
 	__le32 bcon_timer;
 } __packed;
 
-/* Sleep states.  3945 and 4965 identical. */
+/* Sleep states.  all devices identical. */
 enum {
 	IWL_PM_NO_SLEEP = 0,
 	IWL_PM_SLP_MAC = 1,
@@ -2892,6 +3005,12 @@ struct iwl_scanstart_notification {
 #define  SCAN_OWNER_STATUS 0x1;
 #define  MEASURE_OWNER_STATUS 0x2;
 
+#define IWL_PROBE_STATUS_OK		0
+#define IWL_PROBE_STATUS_TX_FAILED	BIT(0)
+/* error statuses combined with TX_FAILED */
+#define IWL_PROBE_STATUS_FAIL_TTL	BIT(1)
+#define IWL_PROBE_STATUS_FAIL_BT	BIT(2)
+
 #define NUMBER_OF_STATISTICS 1	/* first __le32 is good CRC */
 /*
  * SCAN_RESULTS_NOTIFICATION = 0x83 (notification only, not a command)
@@ -2899,7 +3018,8 @@ struct iwl_scanstart_notification {
 struct iwl_scanresults_notification {
 	u8 channel;
 	u8 band;
-	u8 reserved[2];
+	u8 probe_status;
+	u8 num_probe_not_sent; /* not enough time to send */
 	__le32 tsf_low;
 	__le32 tsf_high;
 	__le32 statistics[NUMBER_OF_STATISTICS];
@@ -2911,7 +3031,7 @@ struct iwl_scanresults_notification {
 struct iwl_scancomplete_notification {
 	u8 scanned_channels;
 	u8 status;
-	u8 reserved;
+	u8 bt_status;	/* BT On/Off status */
 	u8 last_channel;
 	__le32 tsf_low;
 	__le32 tsf_high;
@@ -3270,7 +3390,7 @@ struct statistics_general_bt {
 
 /*
  * REPLY_STATISTICS_CMD = 0x9c,
- * 3945 and 4965 identical.
+ * all devices identical.
  *
  * This command triggers an immediate response containing uCode statistics.
  * The response is in the same format as STATISTICS_NOTIFICATION 0x9d, below.
@@ -3608,7 +3728,7 @@ struct iwl_enhance_sensitivity_cmd {
 /**
  * REPLY_PHY_CALIBRATION_CMD = 0xb0 (command, has simple generic response)
  *
- * This command sets the relative gains of 4965's 3 radio receiver chains.
+ * This command sets the relative gains of agn device's 3 radio receiver chains.
  *
  * After the first association, driver should accumulate signal and noise
  * statistics from the STATISTICS_NOTIFICATIONs that follow the first 20
@@ -3964,6 +4084,201 @@ struct iwl_coex_event_resp {
 } __packed;
 
 
+/******************************************************************************
+ * Bluetooth Coexistence commands
+ *
+ *****************************************************************************/
+
+/*
+ * BT Status notification
+ * REPLY_BT_COEX_PROFILE_NOTIF = 0xce
+ */
+enum iwl_bt_coex_profile_traffic_load {
+	IWL_BT_COEX_TRAFFIC_LOAD_NONE = 	0,
+	IWL_BT_COEX_TRAFFIC_LOAD_LOW =		1,
+	IWL_BT_COEX_TRAFFIC_LOAD_HIGH = 	2,
+	IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS =	3,
+/*
+ * There are no more even though below is a u8, the
+ * indication from the BT device only has two bits.
+ */
+};
+
+#define BT_UART_MSG_FRAME1MSGTYPE_POS		(0)
+#define BT_UART_MSG_FRAME1MSGTYPE_MSK		\
+		(0x7 << BT_UART_MSG_FRAME1MSGTYPE_POS)
+#define BT_UART_MSG_FRAME1SSN_POS		(3)
+#define BT_UART_MSG_FRAME1SSN_MSK		\
+		(0x3 << BT_UART_MSG_FRAME1SSN_POS)
+#define BT_UART_MSG_FRAME1UPDATEREQ_POS		(5)
+#define BT_UART_MSG_FRAME1UPDATEREQ_MSK		\
+		(0x1 << BT_UART_MSG_FRAME1UPDATEREQ_POS)
+#define BT_UART_MSG_FRAME1RESERVED_POS		(6)
+#define BT_UART_MSG_FRAME1RESERVED_MSK		\
+		(0x3 << BT_UART_MSG_FRAME1RESERVED_POS)
+
+#define BT_UART_MSG_FRAME2OPENCONNECTIONS_POS	(0)
+#define BT_UART_MSG_FRAME2OPENCONNECTIONS_MSK	\
+		(0x3 << BT_UART_MSG_FRAME2OPENCONNECTIONS_POS)
+#define BT_UART_MSG_FRAME2TRAFFICLOAD_POS	(2)
+#define BT_UART_MSG_FRAME2TRAFFICLOAD_MSK	\
+		(0x3 << BT_UART_MSG_FRAME2TRAFFICLOAD_POS)
+#define BT_UART_MSG_FRAME2CHLSEQN_POS		(4)
+#define BT_UART_MSG_FRAME2CHLSEQN_MSK		\
+		(0x1 << BT_UART_MSG_FRAME2CHLSEQN_POS)
+#define BT_UART_MSG_FRAME2INBAND_POS		(5)
+#define BT_UART_MSG_FRAME2INBAND_MSK		\
+		(0x1 << BT_UART_MSG_FRAME2INBAND_POS)
+#define BT_UART_MSG_FRAME2RESERVED_POS		(6)
+#define BT_UART_MSG_FRAME2RESERVED_MSK		\
+		(0x3 << BT_UART_MSG_FRAME2RESERVED_POS)
+
+#define BT_UART_MSG_FRAME3SCOESCO_POS		(0)
+#define BT_UART_MSG_FRAME3SCOESCO_MSK		\
+		(0x1 << BT_UART_MSG_FRAME3SCOESCO_POS)
+#define BT_UART_MSG_FRAME3SNIFF_POS		(1)
+#define BT_UART_MSG_FRAME3SNIFF_MSK		\
+		(0x1 << BT_UART_MSG_FRAME3SNIFF_POS)
+#define BT_UART_MSG_FRAME3A2DP_POS		(2)
+#define BT_UART_MSG_FRAME3A2DP_MSK		\
+		(0x1 << BT_UART_MSG_FRAME3A2DP_POS)
+#define BT_UART_MSG_FRAME3ACL_POS		(3)
+#define BT_UART_MSG_FRAME3ACL_MSK		\
+		(0x1 << BT_UART_MSG_FRAME3ACL_POS)
+#define BT_UART_MSG_FRAME3MASTER_POS		(4)
+#define BT_UART_MSG_FRAME3MASTER_MSK		\
+		(0x1 << BT_UART_MSG_FRAME3MASTER_POS)
+#define BT_UART_MSG_FRAME3OBEX_POS		(5)
+#define BT_UART_MSG_FRAME3OBEX_MSK		\
+		(0x1 << BT_UART_MSG_FRAME3OBEX_POS)
+#define BT_UART_MSG_FRAME3RESERVED_POS		(6)
+#define BT_UART_MSG_FRAME3RESERVED_MSK		\
+		(0x3 << BT_UART_MSG_FRAME3RESERVED_POS)
+
+#define BT_UART_MSG_FRAME4IDLEDURATION_POS	(0)
+#define BT_UART_MSG_FRAME4IDLEDURATION_MSK	\
+		(0x3F << BT_UART_MSG_FRAME4IDLEDURATION_POS)
+#define BT_UART_MSG_FRAME4RESERVED_POS		(6)
+#define BT_UART_MSG_FRAME4RESERVED_MSK		\
+		(0x3 << BT_UART_MSG_FRAME4RESERVED_POS)
+
+#define BT_UART_MSG_FRAME5TXACTIVITY_POS	(0)
+#define BT_UART_MSG_FRAME5TXACTIVITY_MSK	\
+		(0x3 << BT_UART_MSG_FRAME5TXACTIVITY_POS)
+#define BT_UART_MSG_FRAME5RXACTIVITY_POS	(2)
+#define BT_UART_MSG_FRAME5RXACTIVITY_MSK	\
+		(0x3 << BT_UART_MSG_FRAME5RXACTIVITY_POS)
+#define BT_UART_MSG_FRAME5ESCORETRANSMIT_POS	(4)
+#define BT_UART_MSG_FRAME5ESCORETRANSMIT_MSK	\
+		(0x3 << BT_UART_MSG_FRAME5ESCORETRANSMIT_POS)
+#define BT_UART_MSG_FRAME5RESERVED_POS		(6)
+#define BT_UART_MSG_FRAME5RESERVED_MSK		\
+		(0x3 << BT_UART_MSG_FRAME5RESERVED_POS)
+
+#define BT_UART_MSG_FRAME6SNIFFINTERVAL_POS	(0)
+#define BT_UART_MSG_FRAME6SNIFFINTERVAL_MSK	\
+		(0x1F << BT_UART_MSG_FRAME6SNIFFINTERVAL_POS)
+#define BT_UART_MSG_FRAME6DISCOVERABLE_POS	(5)
+#define BT_UART_MSG_FRAME6DISCOVERABLE_MSK	\
+		(0x1 << BT_UART_MSG_FRAME6DISCOVERABLE_POS)
+#define BT_UART_MSG_FRAME6RESERVED_POS		(6)
+#define BT_UART_MSG_FRAME6RESERVED_MSK		\
+		(0x3 << BT_UART_MSG_FRAME6RESERVED_POS)
+
+#define BT_UART_MSG_FRAME7SNIFFACTIVITY_POS	(0)
+#define BT_UART_MSG_FRAME7SNIFFACTIVITY_MSK	\
+		(0x7 << BT_UART_MSG_FRAME7SNIFFACTIVITY_POS)
+#define BT_UART_MSG_FRAME7INQUIRYPAGESRMODE_POS	(3)
+#define BT_UART_MSG_FRAME7INQUIRYPAGESRMODE_MSK	\
+		(0x3 << BT_UART_MSG_FRAME7INQUIRYPAGESRMODE_POS)
+#define BT_UART_MSG_FRAME7CONNECTABLE_POS	(5)
+#define BT_UART_MSG_FRAME7CONNECTABLE_MSK	\
+		(0x1 << BT_UART_MSG_FRAME7CONNECTABLE_POS)
+#define BT_UART_MSG_FRAME7RESERVED_POS		(6)
+#define BT_UART_MSG_FRAME7RESERVED_MSK		\
+		(0x3 << BT_UART_MSG_FRAME7RESERVED_POS)
+
+
+struct iwl_bt_uart_msg {
+	u8 header;
+	u8 frame1;
+	u8 frame2;
+	u8 frame3;
+	u8 frame4;
+	u8 frame5;
+	u8 frame6;
+	u8 frame7;
+} __attribute__((packed));
+
+struct iwl_bt_coex_profile_notif {
+	struct iwl_bt_uart_msg last_bt_uart_msg;
+	u8 bt_status; /* 0 - off, 1 - on */
+	u8 bt_traffic_load; /* 0 .. 3? */
+	u8 bt_ci_compliance; /* 0 - not complied, 1 - complied */
+	u8 reserved;
+} __attribute__((packed));
+
+#define IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS	0
+#define IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_MSK	0x1
+#define IWL_BT_COEX_PRIO_TBL_PRIO_POS		1
+#define IWL_BT_COEX_PRIO_TBL_PRIO_MASK		0x0e
+#define IWL_BT_COEX_PRIO_TBL_RESERVED_POS	4
+#define IWL_BT_COEX_PRIO_TBL_RESERVED_MASK	0xf0
+#define IWL_BT_COEX_PRIO_TBL_PRIO_SHIFT		1
+
+/*
+ * BT Coexistence Priority table
+ * REPLY_BT_COEX_PRIO_TABLE = 0xcc
+ */
+enum bt_coex_prio_table_events {
+	BT_COEX_PRIO_TBL_EVT_INIT_CALIB1 = 0,
+	BT_COEX_PRIO_TBL_EVT_INIT_CALIB2 = 1,
+	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1 = 2,
+	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2 = 3, /* DC calib */
+	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1 = 4,
+	BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2 = 5,
+	BT_COEX_PRIO_TBL_EVT_DTIM = 6,
+	BT_COEX_PRIO_TBL_EVT_SCAN52 = 7,
+	BT_COEX_PRIO_TBL_EVT_SCAN24 = 8,
+	BT_COEX_PRIO_TBL_EVT_RESERVED0 = 9,
+	BT_COEX_PRIO_TBL_EVT_RESERVED1 = 10,
+	BT_COEX_PRIO_TBL_EVT_RESERVED2 = 11,
+	BT_COEX_PRIO_TBL_EVT_RESERVED3 = 12,
+	BT_COEX_PRIO_TBL_EVT_RESERVED4 = 13,
+	BT_COEX_PRIO_TBL_EVT_RESERVED5 = 14,
+	BT_COEX_PRIO_TBL_EVT_RESERVED6 = 15,
+	/* BT_COEX_PRIO_TBL_EVT_MAX should always be last */
+	BT_COEX_PRIO_TBL_EVT_MAX,
+};
+
+enum bt_coex_prio_table_priorities {
+	BT_COEX_PRIO_TBL_DISABLED = 0,
+	BT_COEX_PRIO_TBL_PRIO_LOW = 1,
+	BT_COEX_PRIO_TBL_PRIO_HIGH = 2,
+	BT_COEX_PRIO_TBL_PRIO_BYPASS = 3,
+	BT_COEX_PRIO_TBL_PRIO_COEX_OFF = 4,
+	BT_COEX_PRIO_TBL_PRIO_COEX_ON = 5,
+	BT_COEX_PRIO_TBL_PRIO_RSRVD1 = 6,
+	BT_COEX_PRIO_TBL_PRIO_RSRVD2 = 7,
+	BT_COEX_PRIO_TBL_MAX,
+};
+
+struct iwl_bt_coex_prio_table_cmd {
+	u8 prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX];
+} __attribute__((packed));
+
+#define IWL_BT_COEX_ENV_CLOSE	0
+#define IWL_BT_COEX_ENV_OPEN	1
+/*
+ * BT Protection Envelope
+ * REPLY_BT_COEX_PROT_ENV = 0xcd
+ */
+struct iwl_bt_coex_prot_env_cmd {
+	u8 action; /* 0 = closed, 1 = open */
+	u8 type; /* 0 .. 15 */
+	u8 reserved[2];
+} __attribute__((packed));
+
 /******************************************************************************
  * (13)
  * Union of all expected notifications/responses:
@@ -4003,6 +4318,7 @@ struct iwl_rx_packet {
 		struct iwl_missed_beacon_notif missed_beacon;
 		struct iwl_coex_medium_notification coex_medium_notif;
 		struct iwl_coex_event_resp coex_event;
+		struct iwl_bt_coex_profile_notif bt_coex_profile_notif;
 		__le32 status;
 		u8 raw[0];
 	} u;
@@ -4010,4 +4326,94 @@ struct iwl_rx_packet {
 
 int iwl_agn_check_rxon_cmd(struct iwl_priv *priv);
 
+/*
+ * REPLY_WIPAN_PARAMS = 0xb2 (Commands and Notification)
+ */
+
+/**
+ * struct iwl_wipan_slot
+ * @width: Time in TU
+ * @type:
+ *   0 - BSS
+ *   1 - PAN
+ */
+struct iwl_wipan_slot {
+	__le16 width;
+	u8 type;
+	u8 reserved;
+} __packed;
+
+#define IWL_WIPAN_PARAMS_FLG_LEAVE_CHANNEL_CTS		BIT(1)	/* reserved */
+#define IWL_WIPAN_PARAMS_FLG_LEAVE_CHANNEL_QUIET	BIT(2)	/* reserved */
+#define IWL_WIPAN_PARAMS_FLG_SLOTTED_MODE		BIT(3)	/* reserved */
+#define IWL_WIPAN_PARAMS_FLG_FILTER_BEACON_NOTIF	BIT(4)
+#define IWL_WIPAN_PARAMS_FLG_FULL_SLOTTED_MODE		BIT(5)
+
+/**
+ * struct iwl_wipan_params_cmd
+ * @flags:
+ *   bit0: reserved
+ *   bit1: CP leave channel with CTS
+ *   bit2: CP leave channel qith Quiet
+ *   bit3: slotted mode
+ *     1 - work in slotted mode
+ *     0 - work in non slotted mode
+ *   bit4: filter beacon notification
+ *   bit5: full tx slotted mode. if this flag is set,
+ *         uCode will perform leaving channel methods in context switch
+ *         also when working in same channel mode
+ * @num_slots: 1 - 10
+ */
+struct iwl_wipan_params_cmd {
+	__le16 flags;
+	u8 reserved;
+	u8 num_slots;
+	struct iwl_wipan_slot slots[10];
+} __packed;
+
+/*
+ * REPLY_WIPAN_P2P_CHANNEL_SWITCH = 0xb9
+ *
+ * TODO: Figure out what this is used for,
+ *	 it can only switch between 2.4 GHz
+ *	 channels!!
+ */
+
+struct iwl_wipan_p2p_channel_switch_cmd {
+	__le16 channel;
+	__le16 reserved;
+};
+
+/*
+ * REPLY_WIPAN_NOA_NOTIFICATION = 0xbc
+ *
+ * This is used by the device to notify us of the
+ * NoA schedule it determined so we can forward it
+ * to userspace for inclusion in probe responses.
+ *
+ * In beacons, the NoA schedule is simply appended
+ * to the frame we give the device.
+ */
+
+struct iwl_wipan_noa_descriptor {
+	u8 count;
+	__le32 duration;
+	__le32 interval;
+	__le32 starttime;
+} __packed;
+
+struct iwl_wipan_noa_attribute {
+	u8 id;
+	__le16 length;
+	u8 index;
+	u8 ct_window;
+	struct iwl_wipan_noa_descriptor descr0, descr1;
+	u8 reserved;
+} __packed;
+
+struct iwl_wipan_noa_notification {
+	u32 noa_active;
+	struct iwl_wipan_noa_attribute noa_attribute;
+} __packed;
+
 #endif				/* __iwl_commands_h__ */

drivers/net/wireless/iwlwifi/iwl-core.c

@@ -64,7 +64,8 @@ MODULE_LICENSE("GPL");
  *
  * default: bt_coex_active = true (BT_COEX_ENABLE)
  */
-static bool bt_coex_active = true;
+bool bt_coex_active = true;
+EXPORT_SYMBOL_GPL(bt_coex_active);
 module_param(bt_coex_active, bool, S_IRUGO);
 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bluetooth co-exist");
 
@@ -146,6 +147,10 @@ u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant, u8 valid)
 	int i;
 	u8 ind = ant;
 
+	if (priv->band == IEEE80211_BAND_2GHZ &&
+	    priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)
+		return 0;
+
 	for (i = 0; i < RATE_ANT_NUM - 1; i++) {
 		ind = (ind + 1) < RATE_ANT_NUM ?  ind + 1 : 0;
 		if (valid & BIT(ind))
@@ -186,27 +191,27 @@ EXPORT_SYMBOL(iwl_alloc_all);
 /*
  * QoS  support
 */
-static void iwl_update_qos(struct iwl_priv *priv)
+static void iwl_update_qos(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 {
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
 
-	priv->qos_data.def_qos_parm.qos_flags = 0;
+	ctx->qos_data.def_qos_parm.qos_flags = 0;
 
-	if (priv->qos_data.qos_active)
-		priv->qos_data.def_qos_parm.qos_flags |=
+	if (ctx->qos_data.qos_active)
+		ctx->qos_data.def_qos_parm.qos_flags |=
 			QOS_PARAM_FLG_UPDATE_EDCA_MSK;
 
-	if (priv->current_ht_config.is_ht)
-		priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
+	if (ctx->ht.enabled)
+		ctx->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
 
 	IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n",
-		      priv->qos_data.qos_active,
-		      priv->qos_data.def_qos_parm.qos_flags);
+		      ctx->qos_data.qos_active,
+		      ctx->qos_data.def_qos_parm.qos_flags);
 
-	iwl_send_cmd_pdu_async(priv, REPLY_QOS_PARAM,
+	iwl_send_cmd_pdu_async(priv, ctx->qos_cmd,
 			       sizeof(struct iwl_qosparam_cmd),
-			       &priv->qos_data.def_qos_parm, NULL);
+			       &ctx->qos_data.def_qos_parm, NULL);
 }
 
 #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
@@ -436,15 +441,15 @@ static bool is_single_rx_stream(struct iwl_priv *priv)
 	       priv->current_ht_config.single_chain_sufficient;
 }
 
-static u8 iwl_is_channel_extension(struct iwl_priv *priv,
-				   enum ieee80211_band band,
-				   u16 channel, u8 extension_chan_offset)
+static bool iwl_is_channel_extension(struct iwl_priv *priv,
+				     enum ieee80211_band band,
+				     u16 channel, u8 extension_chan_offset)
 {
 	const struct iwl_channel_info *ch_info;
 
 	ch_info = iwl_get_channel_info(priv, band, channel);
 	if (!is_channel_valid(ch_info))
-		return 0;
+		return false;
 
 	if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
 		return !(ch_info->ht40_extension_channel &
@@ -453,31 +458,31 @@ static u8 iwl_is_channel_extension(struct iwl_priv *priv,
 		return !(ch_info->ht40_extension_channel &
 					IEEE80211_CHAN_NO_HT40MINUS);
 
-	return 0;
+	return false;
 }
 
-u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
-			 struct ieee80211_sta_ht_cap *sta_ht_inf)
+bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
+			    struct iwl_rxon_context *ctx,
+			    struct ieee80211_sta_ht_cap *ht_cap)
 {
-	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
-
-	if (!ht_conf->is_ht || !ht_conf->is_40mhz)
-		return 0;
+	if (!ctx->ht.enabled || !ctx->ht.is_40mhz)
+		return false;
 
-	/* We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
+	/*
+	 * We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
 	 * the bit will not set if it is pure 40MHz case
 	 */
-	if (sta_ht_inf) {
-		if (!sta_ht_inf->ht_supported)
-			return 0;
-	}
+	if (ht_cap && !ht_cap->ht_supported)
+		return false;
+
 #ifdef CONFIG_IWLWIFI_DEBUGFS
 	if (priv->disable_ht40)
-		return 0;
+		return false;
 #endif
+
 	return iwl_is_channel_extension(priv, priv->band,
-			le16_to_cpu(priv->staging_rxon.channel),
-			ht_conf->extension_chan_offset);
+			le16_to_cpu(ctx->staging.channel),
+			ctx->ht.extension_chan_offset);
 }
 EXPORT_SYMBOL(iwl_is_ht40_tx_allowed);
 
@@ -495,55 +500,64 @@ static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
 	return new_val;
 }
 
-int iwl_send_rxon_timing(struct iwl_priv *priv, struct ieee80211_vif *vif)
+int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 {
 	u64 tsf;
 	s32 interval_tm, rem;
 	struct ieee80211_conf *conf = NULL;
 	u16 beacon_int;
+	struct ieee80211_vif *vif = ctx->vif;
 
 	conf = ieee80211_get_hw_conf(priv->hw);
 
 	lockdep_assert_held(&priv->mutex);
 
-	memset(&priv->rxon_timing, 0, sizeof(struct iwl_rxon_time_cmd));
+	memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd));
 
-	priv->rxon_timing.timestamp = cpu_to_le64(priv->timestamp);
-	priv->rxon_timing.listen_interval = cpu_to_le16(conf->listen_interval);
+	ctx->timing.timestamp = cpu_to_le64(priv->timestamp);
+	ctx->timing.listen_interval = cpu_to_le16(conf->listen_interval);
 
-	beacon_int = vif->bss_conf.beacon_int;
+	beacon_int = vif ? vif->bss_conf.beacon_int : 0;
 
-	if (vif->type == NL80211_IFTYPE_ADHOC) {
-		/* TODO: we need to get atim_window from upper stack
-		 * for now we set to 0 */
-		priv->rxon_timing.atim_window = 0;
-	} else {
-		priv->rxon_timing.atim_window = 0;
-	}
+	/*
+	 * TODO: For IBSS we need to get atim_window from mac80211,
+	 *	 for now just always use 0
+	 */
+	ctx->timing.atim_window = 0;
 
-	beacon_int = iwl_adjust_beacon_interval(beacon_int,
+	if (ctx->ctxid == IWL_RXON_CTX_PAN &&
+	    (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION)) {
+		ctx->timing.beacon_interval =
+			priv->contexts[IWL_RXON_CTX_BSS].timing.beacon_interval;
+		beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
+	} else {
+		beacon_int = iwl_adjust_beacon_interval(beacon_int,
 				priv->hw_params.max_beacon_itrvl * TIME_UNIT);
-	priv->rxon_timing.beacon_interval = cpu_to_le16(beacon_int);
+		ctx->timing.beacon_interval = cpu_to_le16(beacon_int);
+	}
 
 	tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */
 	interval_tm = beacon_int * TIME_UNIT;
 	rem = do_div(tsf, interval_tm);
-	priv->rxon_timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
+	ctx->timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
+
+	ctx->timing.dtim_period = vif ? (vif->bss_conf.dtim_period ?: 1) : 1;
 
 	IWL_DEBUG_ASSOC(priv,
 			"beacon interval %d beacon timer %d beacon tim %d\n",
-			le16_to_cpu(priv->rxon_timing.beacon_interval),
-			le32_to_cpu(priv->rxon_timing.beacon_init_val),
-			le16_to_cpu(priv->rxon_timing.atim_window));
+			le16_to_cpu(ctx->timing.beacon_interval),
+			le32_to_cpu(ctx->timing.beacon_init_val),
+			le16_to_cpu(ctx->timing.atim_window));
 
-	return iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING,
-				sizeof(priv->rxon_timing), &priv->rxon_timing);
+	return iwl_send_cmd_pdu(priv, ctx->rxon_timing_cmd,
+				sizeof(ctx->timing), &ctx->timing);
 }
 EXPORT_SYMBOL(iwl_send_rxon_timing);
 
-void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt)
+void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			   int hw_decrypt)
 {
-	struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+	struct iwl_rxon_cmd *rxon = &ctx->staging;
 
 	if (hw_decrypt)
 		rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK;
@@ -560,11 +574,11 @@ EXPORT_SYMBOL(iwl_set_rxon_hwcrypto);
  * be #ifdef'd out once the driver is stable and folks aren't actively
  * making changes
  */
-int iwl_check_rxon_cmd(struct iwl_priv *priv)
+int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 {
 	int error = 0;
 	int counter = 1;
-	struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+	struct iwl_rxon_cmd *rxon = &ctx->staging;
 
 	if (rxon->flags & RXON_FLG_BAND_24G_MSK) {
 		error |= le32_to_cpu(rxon->flags &
@@ -636,66 +650,83 @@ EXPORT_SYMBOL(iwl_check_rxon_cmd);
  * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
  * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
  */
-int iwl_full_rxon_required(struct iwl_priv *priv)
+int iwl_full_rxon_required(struct iwl_priv *priv,
+			   struct iwl_rxon_context *ctx)
 {
+	const struct iwl_rxon_cmd *staging = &ctx->staging;
+	const struct iwl_rxon_cmd *active = &ctx->active;
+
+#define CHK(cond)							\
+	if ((cond)) {							\
+		IWL_DEBUG_INFO(priv, "need full RXON - " #cond "\n");	\
+		return 1;						\
+	}
+
+#define CHK_NEQ(c1, c2)						\
+	if ((c1) != (c2)) {					\
+		IWL_DEBUG_INFO(priv, "need full RXON - "	\
+			       #c1 " != " #c2 " - %d != %d\n",	\
+			       (c1), (c2));			\
+		return 1;					\
+	}
 
 	/* These items are only settable from the full RXON command */
-	if (!(iwl_is_associated(priv)) ||
-	    compare_ether_addr(priv->staging_rxon.bssid_addr,
-			       priv->active_rxon.bssid_addr) ||
-	    compare_ether_addr(priv->staging_rxon.node_addr,
-			       priv->active_rxon.node_addr) ||
-	    compare_ether_addr(priv->staging_rxon.wlap_bssid_addr,
-			       priv->active_rxon.wlap_bssid_addr) ||
-	    (priv->staging_rxon.dev_type != priv->active_rxon.dev_type) ||
-	    (priv->staging_rxon.channel != priv->active_rxon.channel) ||
-	    (priv->staging_rxon.air_propagation !=
-	     priv->active_rxon.air_propagation) ||
-	    (priv->staging_rxon.ofdm_ht_single_stream_basic_rates !=
-	     priv->active_rxon.ofdm_ht_single_stream_basic_rates) ||
-	    (priv->staging_rxon.ofdm_ht_dual_stream_basic_rates !=
-	     priv->active_rxon.ofdm_ht_dual_stream_basic_rates) ||
-	    (priv->staging_rxon.ofdm_ht_triple_stream_basic_rates !=
-	     priv->active_rxon.ofdm_ht_triple_stream_basic_rates) ||
-	    (priv->staging_rxon.assoc_id != priv->active_rxon.assoc_id))
-		return 1;
+	CHK(!iwl_is_associated_ctx(ctx));
+	CHK(compare_ether_addr(staging->bssid_addr, active->bssid_addr));
+	CHK(compare_ether_addr(staging->node_addr, active->node_addr));
+	CHK(compare_ether_addr(staging->wlap_bssid_addr,
+				active->wlap_bssid_addr));
+	CHK_NEQ(staging->dev_type, active->dev_type);
+	CHK_NEQ(staging->channel, active->channel);
+	CHK_NEQ(staging->air_propagation, active->air_propagation);
+	CHK_NEQ(staging->ofdm_ht_single_stream_basic_rates,
+		active->ofdm_ht_single_stream_basic_rates);
+	CHK_NEQ(staging->ofdm_ht_dual_stream_basic_rates,
+		active->ofdm_ht_dual_stream_basic_rates);
+	CHK_NEQ(staging->ofdm_ht_triple_stream_basic_rates,
+		active->ofdm_ht_triple_stream_basic_rates);
+	CHK_NEQ(staging->assoc_id, active->assoc_id);
 
 	/* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
 	 * be updated with the RXON_ASSOC command -- however only some
 	 * flag transitions are allowed using RXON_ASSOC */
 
 	/* Check if we are not switching bands */
-	if ((priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) !=
-	    (priv->active_rxon.flags & RXON_FLG_BAND_24G_MSK))
-		return 1;
+	CHK_NEQ(staging->flags & RXON_FLG_BAND_24G_MSK,
+		active->flags & RXON_FLG_BAND_24G_MSK);
 
 	/* Check if we are switching association toggle */
-	if ((priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) !=
-		(priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK))
-		return 1;
+	CHK_NEQ(staging->filter_flags & RXON_FILTER_ASSOC_MSK,
+		active->filter_flags & RXON_FILTER_ASSOC_MSK);
+
+#undef CHK
+#undef CHK_NEQ
 
 	return 0;
 }
 EXPORT_SYMBOL(iwl_full_rxon_required);
 
-u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv)
+u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv,
+			    struct iwl_rxon_context *ctx)
 {
 	/*
 	 * Assign the lowest rate -- should really get this from
 	 * the beacon skb from mac80211.
 	 */
-	if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)
+	if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK)
 		return IWL_RATE_1M_PLCP;
 	else
 		return IWL_RATE_6M_PLCP;
 }
 EXPORT_SYMBOL(iwl_rate_get_lowest_plcp);
 
-void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
+static void _iwl_set_rxon_ht(struct iwl_priv *priv,
+			     struct iwl_ht_config *ht_conf,
+			     struct iwl_rxon_context *ctx)
 {
-	struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+	struct iwl_rxon_cmd *rxon = &ctx->staging;
 
-	if (!ht_conf->is_ht) {
+	if (!ctx->ht.enabled) {
 		rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
 			RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
 			RXON_FLG_HT40_PROT_MSK |
@@ -703,22 +734,22 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
 		return;
 	}
 
-	/* FIXME: if the definition of ht_protection changed, the "translation"
+	/* FIXME: if the definition of ht.protection changed, the "translation"
 	 * will be needed for rxon->flags
 	 */
-	rxon->flags |= cpu_to_le32(ht_conf->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS);
+	rxon->flags |= cpu_to_le32(ctx->ht.protection << RXON_FLG_HT_OPERATING_MODE_POS);
 
 	/* Set up channel bandwidth:
 	 * 20 MHz only, 20/40 mixed or pure 40 if ht40 ok */
 	/* clear the HT channel mode before set the mode */
 	rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
 			 RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
-	if (iwl_is_ht40_tx_allowed(priv, NULL)) {
+	if (iwl_is_ht40_tx_allowed(priv, ctx, NULL)) {
 		/* pure ht40 */
-		if (ht_conf->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
+		if (ctx->ht.protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
 			rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40;
 			/* Note: control channel is opposite of extension channel */
-			switch (ht_conf->extension_chan_offset) {
+			switch (ctx->ht.extension_chan_offset) {
 			case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
 				rxon->flags &= ~RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
 				break;
@@ -728,7 +759,7 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
 			}
 		} else {
 			/* Note: control channel is opposite of extension channel */
-			switch (ht_conf->extension_chan_offset) {
+			switch (ctx->ht.extension_chan_offset) {
 			case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
 				rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
 				rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED;
@@ -749,12 +780,20 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
 	}
 
 	if (priv->cfg->ops->hcmd->set_rxon_chain)
-		priv->cfg->ops->hcmd->set_rxon_chain(priv);
+		priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
 
 	IWL_DEBUG_ASSOC(priv, "rxon flags 0x%X operation mode :0x%X "
 			"extension channel offset 0x%x\n",
-			le32_to_cpu(rxon->flags), ht_conf->ht_protection,
-			ht_conf->extension_chan_offset);
+			le32_to_cpu(rxon->flags), ctx->ht.protection,
+			ctx->ht.extension_chan_offset);
+}
+
+void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
+{
+	struct iwl_rxon_context *ctx;
+
+	for_each_context(priv, ctx)
+		_iwl_set_rxon_ht(priv, ht_conf, ctx);
 }
 EXPORT_SYMBOL(iwl_set_rxon_ht);
 
@@ -775,6 +814,14 @@ EXPORT_SYMBOL(iwl_set_rxon_ht);
  */
 static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
 {
+	if (priv->cfg->advanced_bt_coexist && (priv->bt_full_concurrent ||
+	    priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)) {
+		/*
+		 * only use chain 'A' in bt high traffic load or
+		 * full concurrency mode
+		 */
+		return IWL_NUM_RX_CHAINS_SINGLE;
+	}
 	/* # of Rx chains to use when expecting MIMO. */
 	if (is_single_rx_stream(priv))
 		return IWL_NUM_RX_CHAINS_SINGLE;
@@ -819,7 +866,7 @@ static u8 iwl_count_chain_bitmap(u32 chain_bitmap)
  * Selects how many and which Rx receivers/antennas/chains to use.
  * This should not be used for scan command ... it puts data in wrong place.
  */
-void iwl_set_rxon_chain(struct iwl_priv *priv)
+void iwl_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 {
 	bool is_single = is_single_rx_stream(priv);
 	bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
@@ -831,11 +878,20 @@ void iwl_set_rxon_chain(struct iwl_priv *priv)
 	 * Before first association, we assume all antennas are connected.
 	 * Just after first association, iwl_chain_noise_calibration()
 	 *    checks which antennas actually *are* connected. */
-	 if (priv->chain_noise_data.active_chains)
+	if (priv->chain_noise_data.active_chains)
 		active_chains = priv->chain_noise_data.active_chains;
 	else
 		active_chains = priv->hw_params.valid_rx_ant;
 
+	if (priv->cfg->advanced_bt_coexist && (priv->bt_full_concurrent ||
+	    priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)) {
+		/*
+		 * only use chain 'A' in bt high traffic load or
+		 * full concurrency mode
+		 */
+		active_chains = first_antenna(active_chains);
+	}
+
 	rx_chain = active_chains << RXON_RX_CHAIN_VALID_POS;
 
 	/* How many receivers should we use? */
@@ -856,15 +912,15 @@ void iwl_set_rxon_chain(struct iwl_priv *priv)
 	rx_chain |= active_rx_cnt << RXON_RX_CHAIN_MIMO_CNT_POS;
 	rx_chain |= idle_rx_cnt  << RXON_RX_CHAIN_CNT_POS;
 
-	priv->staging_rxon.rx_chain = cpu_to_le16(rx_chain);
+	ctx->staging.rx_chain = cpu_to_le16(rx_chain);
 
 	if (!is_single && (active_rx_cnt >= IWL_NUM_RX_CHAINS_SINGLE) && is_cam)
-		priv->staging_rxon.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK;
+		ctx->staging.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK;
 	else
-		priv->staging_rxon.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;
+		ctx->staging.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;
 
 	IWL_DEBUG_ASSOC(priv, "rx_chain=0x%X active=%d idle=%d\n",
-			priv->staging_rxon.rx_chain,
+			ctx->staging.rx_chain,
 			active_rx_cnt, idle_rx_cnt);
 
 	WARN_ON(active_rx_cnt == 0 || idle_rx_cnt == 0 ||
@@ -872,39 +928,41 @@ void iwl_set_rxon_chain(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_set_rxon_chain);
 
-/* Return valid channel */
+/* Return valid, unused, channel for a passive scan to reset the RF */
 u8 iwl_get_single_channel_number(struct iwl_priv *priv,
-				  enum ieee80211_band band)
+				 enum ieee80211_band band)
 {
 	const struct iwl_channel_info *ch_info;
 	int i;
 	u8 channel = 0;
+	u8 min, max;
+	struct iwl_rxon_context *ctx;
 
-	/* only scan single channel, good enough to reset the RF */
-	/* pick the first valid not in-use channel */
 	if (band == IEEE80211_BAND_5GHZ) {
-		for (i = 14; i < priv->channel_count; i++) {
-			if (priv->channel_info[i].channel !=
-			    le16_to_cpu(priv->staging_rxon.channel)) {
-				channel = priv->channel_info[i].channel;
-				ch_info = iwl_get_channel_info(priv,
-					band, channel);
-				if (is_channel_valid(ch_info))
-					break;
-			}
-		}
+		min = 14;
+		max = priv->channel_count;
 	} else {
-		for (i = 0; i < 14; i++) {
-			if (priv->channel_info[i].channel !=
-			    le16_to_cpu(priv->staging_rxon.channel)) {
-					channel =
-						priv->channel_info[i].channel;
-					ch_info = iwl_get_channel_info(priv,
-						band, channel);
-					if (is_channel_valid(ch_info))
-						break;
-			}
+		min = 0;
+		max = 14;
+	}
+
+	for (i = min; i < max; i++) {
+		bool busy = false;
+
+		for_each_context(priv, ctx) {
+			busy = priv->channel_info[i].channel ==
+				le16_to_cpu(ctx->staging.channel);
+			if (busy)
+				break;
 		}
+
+		if (busy)
+			continue;
+
+		channel = priv->channel_info[i].channel;
+		ch_info = iwl_get_channel_info(priv, band, channel);
+		if (is_channel_valid(ch_info))
+			break;
 	}
 
 	return channel;
@@ -915,25 +973,24 @@ EXPORT_SYMBOL(iwl_get_single_channel_number);
  * iwl_set_rxon_channel - Set the band and channel values in staging RXON
  * @ch: requested channel as a pointer to struct ieee80211_channel
 
- * In addition to setting the staging RXON, priv->band is also set.
- *
  * NOTE:  Does not commit to the hardware; it sets appropriate bit fields
  * in the staging RXON flag structure based on the ch->band
  */
-int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch)
+int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
+			 struct iwl_rxon_context *ctx)
 {
 	enum ieee80211_band band = ch->band;
 	u16 channel = ch->hw_value;
 
-	if ((le16_to_cpu(priv->staging_rxon.channel) == channel) &&
+	if ((le16_to_cpu(ctx->staging.channel) == channel) &&
 	    (priv->band == band))
 		return 0;
 
-	priv->staging_rxon.channel = cpu_to_le16(channel);
+	ctx->staging.channel = cpu_to_le16(channel);
 	if (band == IEEE80211_BAND_5GHZ)
-		priv->staging_rxon.flags &= ~RXON_FLG_BAND_24G_MSK;
+		ctx->staging.flags &= ~RXON_FLG_BAND_24G_MSK;
 	else
-		priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK;
+		ctx->staging.flags |= RXON_FLG_BAND_24G_MSK;
 
 	priv->band = band;
 
@@ -944,24 +1001,25 @@ int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch)
 EXPORT_SYMBOL(iwl_set_rxon_channel);
 
 void iwl_set_flags_for_band(struct iwl_priv *priv,
+			    struct iwl_rxon_context *ctx,
 			    enum ieee80211_band band,
 			    struct ieee80211_vif *vif)
 {
 	if (band == IEEE80211_BAND_5GHZ) {
-		priv->staging_rxon.flags &=
+		ctx->staging.flags &=
 		    ~(RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK
 		      | RXON_FLG_CCK_MSK);
-		priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
+		ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
 	} else {
 		/* Copied from iwl_post_associate() */
 		if (vif && vif->bss_conf.use_short_slot)
-			priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
+			ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
 		else
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
+			ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
 
-		priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK;
-		priv->staging_rxon.flags |= RXON_FLG_AUTO_DETECT_MSK;
-		priv->staging_rxon.flags &= ~RXON_FLG_CCK_MSK;
+		ctx->staging.flags |= RXON_FLG_BAND_24G_MSK;
+		ctx->staging.flags |= RXON_FLG_AUTO_DETECT_MSK;
+		ctx->staging.flags &= ~RXON_FLG_CCK_MSK;
 	}
 }
 EXPORT_SYMBOL(iwl_set_flags_for_band);
@@ -970,35 +1028,34 @@ EXPORT_SYMBOL(iwl_set_flags_for_band);
  * initialize rxon structure with default values from eeprom
  */
 void iwl_connection_init_rx_config(struct iwl_priv *priv,
-				   struct ieee80211_vif *vif)
+				   struct iwl_rxon_context *ctx)
 {
 	const struct iwl_channel_info *ch_info;
-	enum nl80211_iftype type = NL80211_IFTYPE_STATION;
 
-	if (vif)
-		type = vif->type;
+	memset(&ctx->staging, 0, sizeof(ctx->staging));
 
-	memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon));
-
-	switch (type) {
+	if (!ctx->vif) {
+		ctx->staging.dev_type = ctx->unused_devtype;
+	} else switch (ctx->vif->type) {
 	case NL80211_IFTYPE_AP:
-		priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP;
+		ctx->staging.dev_type = ctx->ap_devtype;
 		break;
 
 	case NL80211_IFTYPE_STATION:
-		priv->staging_rxon.dev_type = RXON_DEV_TYPE_ESS;
-		priv->staging_rxon.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
+		ctx->staging.dev_type = ctx->station_devtype;
+		ctx->staging.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
 		break;
 
 	case NL80211_IFTYPE_ADHOC:
-		priv->staging_rxon.dev_type = RXON_DEV_TYPE_IBSS;
-		priv->staging_rxon.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
-		priv->staging_rxon.filter_flags = RXON_FILTER_BCON_AWARE_MSK |
+		ctx->staging.dev_type = ctx->ibss_devtype;
+		ctx->staging.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
+		ctx->staging.filter_flags = RXON_FILTER_BCON_AWARE_MSK |
 						  RXON_FILTER_ACCEPT_GRP_MSK;
 		break;
 
 	default:
-		IWL_ERR(priv, "Unsupported interface type %d\n", type);
+		IWL_ERR(priv, "Unsupported interface type %d\n",
+			ctx->vif->type);
 		break;
 	}
 
@@ -1006,37 +1063,36 @@ void iwl_connection_init_rx_config(struct iwl_priv *priv,
 	/* TODO:  Figure out when short_preamble would be set and cache from
 	 * that */
 	if (!hw_to_local(priv->hw)->short_preamble)
-		priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+		ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
 	else
-		priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+		ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
 #endif
 
 	ch_info = iwl_get_channel_info(priv, priv->band,
-				       le16_to_cpu(priv->active_rxon.channel));
+				       le16_to_cpu(ctx->active.channel));
 
 	if (!ch_info)
 		ch_info = &priv->channel_info[0];
 
-	priv->staging_rxon.channel = cpu_to_le16(ch_info->channel);
+	ctx->staging.channel = cpu_to_le16(ch_info->channel);
 	priv->band = ch_info->band;
 
-	iwl_set_flags_for_band(priv, priv->band, vif);
+	iwl_set_flags_for_band(priv, ctx, priv->band, ctx->vif);
 
-	priv->staging_rxon.ofdm_basic_rates =
+	ctx->staging.ofdm_basic_rates =
 	    (IWL_OFDM_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
-	priv->staging_rxon.cck_basic_rates =
+	ctx->staging.cck_basic_rates =
 	    (IWL_CCK_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
 
 	/* clear both MIX and PURE40 mode flag */
-	priv->staging_rxon.flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED |
+	ctx->staging.flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED |
 					RXON_FLG_CHANNEL_MODE_PURE_40);
+	if (ctx->vif)
+		memcpy(ctx->staging.node_addr, ctx->vif->addr, ETH_ALEN);
 
-	if (vif)
-		memcpy(priv->staging_rxon.node_addr, vif->addr, ETH_ALEN);
-
-	priv->staging_rxon.ofdm_ht_single_stream_basic_rates = 0xff;
-	priv->staging_rxon.ofdm_ht_dual_stream_basic_rates = 0xff;
-	priv->staging_rxon.ofdm_ht_triple_stream_basic_rates = 0xff;
+	ctx->staging.ofdm_ht_single_stream_basic_rates = 0xff;
+	ctx->staging.ofdm_ht_dual_stream_basic_rates = 0xff;
+	ctx->staging.ofdm_ht_triple_stream_basic_rates = 0xff;
 }
 EXPORT_SYMBOL(iwl_connection_init_rx_config);
 
@@ -1044,6 +1100,7 @@ void iwl_set_rate(struct iwl_priv *priv)
 {
 	const struct ieee80211_supported_band *hw = NULL;
 	struct ieee80211_rate *rate;
+	struct iwl_rxon_context *ctx;
 	int i;
 
 	hw = iwl_get_hw_mode(priv, priv->band);
@@ -1062,21 +1119,29 @@ void iwl_set_rate(struct iwl_priv *priv)
 
 	IWL_DEBUG_RATE(priv, "Set active_rate = %0x\n", priv->active_rate);
 
-	priv->staging_rxon.cck_basic_rates =
-	    (IWL_CCK_BASIC_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
+	for_each_context(priv, ctx) {
+		ctx->staging.cck_basic_rates =
+		    (IWL_CCK_BASIC_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
 
-	priv->staging_rxon.ofdm_basic_rates =
-	   (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
+		ctx->staging.ofdm_basic_rates =
+		   (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
+	}
 }
 EXPORT_SYMBOL(iwl_set_rate);
 
 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success)
 {
+	/*
+	 * MULTI-FIXME
+	 * See iwl_mac_channel_switch.
+	 */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
+
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
 
 	if (priv->switch_rxon.switch_in_progress) {
-		ieee80211_chswitch_done(priv->vif, is_success);
+		ieee80211_chswitch_done(ctx->vif, is_success);
 		mutex_lock(&priv->mutex);
 		priv->switch_rxon.switch_in_progress = false;
 		mutex_unlock(&priv->mutex);
@@ -1087,14 +1152,19 @@ EXPORT_SYMBOL(iwl_chswitch_done);
 void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 {
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
-	struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon;
 	struct iwl_csa_notification *csa = &(pkt->u.csa_notif);
+	/*
+	 * MULTI-FIXME
+	 * See iwl_mac_channel_switch.
+	 */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
+	struct iwl_rxon_cmd *rxon = (void *)&ctx->active;
 
 	if (priv->switch_rxon.switch_in_progress) {
 		if (!le32_to_cpu(csa->status) &&
 		    (csa->channel == priv->switch_rxon.channel)) {
 			rxon->channel = csa->channel;
-			priv->staging_rxon.channel = csa->channel;
+			ctx->staging.channel = csa->channel;
 			IWL_DEBUG_11H(priv, "CSA notif: channel %d\n",
 			      le16_to_cpu(csa->channel));
 			iwl_chswitch_done(priv, true);
@@ -1108,9 +1178,10 @@ void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 EXPORT_SYMBOL(iwl_rx_csa);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
-void iwl_print_rx_config_cmd(struct iwl_priv *priv)
+void iwl_print_rx_config_cmd(struct iwl_priv *priv,
+			     struct iwl_rxon_context *ctx)
 {
-	struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+	struct iwl_rxon_cmd *rxon = &ctx->staging;
 
 	IWL_DEBUG_RADIO(priv, "RX CONFIG:\n");
 	iwl_print_hex_dump(priv, IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
@@ -1150,7 +1221,8 @@ void iwl_irq_handle_error(struct iwl_priv *priv)
 	priv->cfg->ops->lib->dump_nic_event_log(priv, false, NULL, false);
 #ifdef CONFIG_IWLWIFI_DEBUG
 	if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS)
-		iwl_print_rx_config_cmd(priv);
+		iwl_print_rx_config_cmd(priv,
+					&priv->contexts[IWL_RXON_CTX_BSS]);
 #endif
 
 	wake_up_interruptible(&priv->wait_command_queue);
@@ -1518,6 +1590,7 @@ int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
 			   const struct ieee80211_tx_queue_params *params)
 {
 	struct iwl_priv *priv = hw->priv;
+	struct iwl_rxon_context *ctx;
 	unsigned long flags;
 	int q;
 
@@ -1537,13 +1610,21 @@ int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
 
 	spin_lock_irqsave(&priv->lock, flags);
 
-	priv->qos_data.def_qos_parm.ac[q].cw_min = cpu_to_le16(params->cw_min);
-	priv->qos_data.def_qos_parm.ac[q].cw_max = cpu_to_le16(params->cw_max);
-	priv->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
-	priv->qos_data.def_qos_parm.ac[q].edca_txop =
-			cpu_to_le16((params->txop * 32));
+	/*
+	 * MULTI-FIXME
+	 * This may need to be done per interface in nl80211/cfg80211/mac80211.
+	 */
+	for_each_context(priv, ctx) {
+		ctx->qos_data.def_qos_parm.ac[q].cw_min =
+			cpu_to_le16(params->cw_min);
+		ctx->qos_data.def_qos_parm.ac[q].cw_max =
+			cpu_to_le16(params->cw_max);
+		ctx->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
+		ctx->qos_data.def_qos_parm.ac[q].edca_txop =
+				cpu_to_le16((params->txop * 32));
 
-	priv->qos_data.def_qos_parm.ac[q].reserved1 = 0;
+		ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0;
+	}
 
 	spin_unlock_irqrestore(&priv->lock, flags);
 
@@ -1566,15 +1647,16 @@ static void iwl_ht_conf(struct iwl_priv *priv,
 	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
 	struct ieee80211_sta *sta;
 	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
+	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
 
 	IWL_DEBUG_MAC80211(priv, "enter:\n");
 
-	if (!ht_conf->is_ht)
+	if (!ctx->ht.enabled)
 		return;
 
-	ht_conf->ht_protection =
+	ctx->ht.protection =
 		bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
-	ht_conf->non_GF_STA_present =
+	ctx->ht.non_gf_sta_present =
 		!!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
 
 	ht_conf->single_chain_sufficient = false;
@@ -1618,18 +1700,20 @@ static void iwl_ht_conf(struct iwl_priv *priv,
 	IWL_DEBUG_MAC80211(priv, "leave\n");
 }
 
-static inline void iwl_set_no_assoc(struct iwl_priv *priv)
+static inline void iwl_set_no_assoc(struct iwl_priv *priv,
+				    struct ieee80211_vif *vif)
 {
+	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
+
 	iwl_led_disassociate(priv);
 	/*
 	 * inform the ucode that there is no longer an
 	 * association and that no more packets should be
 	 * sent
 	 */
-	priv->staging_rxon.filter_flags &=
-		~RXON_FILTER_ASSOC_MSK;
-	priv->staging_rxon.assoc_id = 0;
-	iwlcore_commit_rxon(priv);
+	ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+	ctx->staging.assoc_id = 0;
+	iwlcore_commit_rxon(priv, ctx);
 }
 
 static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
@@ -1640,6 +1724,14 @@ static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	IWL_DEBUG_MAC80211(priv, "enter\n");
 
+	lockdep_assert_held(&priv->mutex);
+
+	if (!priv->beacon_ctx) {
+		IWL_ERR(priv, "update beacon but no beacon context!\n");
+		dev_kfree_skb(skb);
+		return -EINVAL;
+	}
+
 	if (!iwl_is_ready_rf(priv)) {
 		IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
 		return -EIO;
@@ -1658,7 +1750,7 @@ static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
 	IWL_DEBUG_MAC80211(priv, "leave\n");
 	spin_unlock_irqrestore(&priv->lock, flags);
 
-	priv->cfg->ops->lib->post_associate(priv, priv->vif);
+	priv->cfg->ops->lib->post_associate(priv, priv->beacon_ctx->vif);
 
 	return 0;
 }
@@ -1669,6 +1761,7 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 			  u32 changes)
 {
 	struct iwl_priv *priv = hw->priv;
+	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
 	int ret;
 
 	IWL_DEBUG_MAC80211(priv, "changes = 0x%X\n", changes);
@@ -1682,11 +1775,23 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 		unsigned long flags;
 
 		spin_lock_irqsave(&priv->lock, flags);
-		priv->qos_data.qos_active = bss_conf->qos;
-		iwl_update_qos(priv);
+		ctx->qos_data.qos_active = bss_conf->qos;
+		iwl_update_qos(priv, ctx);
 		spin_unlock_irqrestore(&priv->lock, flags);
 	}
 
+	if (changes & BSS_CHANGED_BEACON_ENABLED) {
+		/*
+		 * the add_interface code must make sure we only ever
+		 * have a single interface that could be beaconing at
+		 * any time.
+		 */
+		if (vif->bss_conf.enable_beacon)
+			priv->beacon_ctx = ctx;
+		else
+			priv->beacon_ctx = NULL;
+	}
+
 	if (changes & BSS_CHANGED_BEACON && vif->type == NL80211_IFTYPE_AP) {
 		dev_kfree_skb(priv->ibss_beacon);
 		priv->ibss_beacon = ieee80211_beacon_get(hw, vif);
@@ -1713,13 +1818,13 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 
 		/* mac80211 only sets assoc when in STATION mode */
 		if (vif->type == NL80211_IFTYPE_ADHOC || bss_conf->assoc) {
-			memcpy(priv->staging_rxon.bssid_addr,
+			memcpy(ctx->staging.bssid_addr,
 			       bss_conf->bssid, ETH_ALEN);
 
 			/* currently needed in a few places */
 			memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
 		} else {
-			priv->staging_rxon.filter_flags &=
+			ctx->staging.filter_flags &=
 				~RXON_FILTER_ASSOC_MSK;
 		}
 
@@ -1742,21 +1847,21 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 		IWL_DEBUG_MAC80211(priv, "ERP_PREAMBLE %d\n",
 				   bss_conf->use_short_preamble);
 		if (bss_conf->use_short_preamble)
-			priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+			ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
 		else
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+			ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
 	}
 
 	if (changes & BSS_CHANGED_ERP_CTS_PROT) {
 		IWL_DEBUG_MAC80211(priv, "ERP_CTS %d\n", bss_conf->use_cts_prot);
 		if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ))
-			priv->staging_rxon.flags |= RXON_FLG_TGG_PROTECT_MSK;
+			ctx->staging.flags |= RXON_FLG_TGG_PROTECT_MSK;
 		else
-			priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
+			ctx->staging.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
 		if (bss_conf->use_cts_prot)
-			priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN;
+			ctx->staging.flags |= RXON_FLG_SELF_CTS_EN;
 		else
-			priv->staging_rxon.flags &= ~RXON_FLG_SELF_CTS_EN;
+			ctx->staging.flags &= ~RXON_FLG_SELF_CTS_EN;
 	}
 
 	if (changes & BSS_CHANGED_BASIC_RATES) {
@@ -1766,12 +1871,12 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 		 * like this here:
 		 *
 		if (A-band)
-			priv->staging_rxon.ofdm_basic_rates =
+			ctx->staging.ofdm_basic_rates =
 				bss_conf->basic_rates;
 		else
-			priv->staging_rxon.ofdm_basic_rates =
+			ctx->staging.ofdm_basic_rates =
 				bss_conf->basic_rates >> 4;
-			priv->staging_rxon.cck_basic_rates =
+			ctx->staging.cck_basic_rates =
 				bss_conf->basic_rates & 0xF;
 		 */
 	}
@@ -1780,7 +1885,7 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 		iwl_ht_conf(priv, vif);
 
 		if (priv->cfg->ops->hcmd->set_rxon_chain)
-			priv->cfg->ops->hcmd->set_rxon_chain(priv);
+			priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
 	}
 
 	if (changes & BSS_CHANGED_ASSOC) {
@@ -1793,29 +1898,29 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 			if (!iwl_is_rfkill(priv))
 				priv->cfg->ops->lib->post_associate(priv, vif);
 		} else
-			iwl_set_no_assoc(priv);
+			iwl_set_no_assoc(priv, vif);
 	}
 
-	if (changes && iwl_is_associated(priv) && bss_conf->aid) {
+	if (changes && iwl_is_associated_ctx(ctx) && bss_conf->aid) {
 		IWL_DEBUG_MAC80211(priv, "Changes (%#x) while associated\n",
 				   changes);
-		ret = iwl_send_rxon_assoc(priv);
+		ret = iwl_send_rxon_assoc(priv, ctx);
 		if (!ret) {
 			/* Sync active_rxon with latest change. */
-			memcpy((void *)&priv->active_rxon,
-				&priv->staging_rxon,
+			memcpy((void *)&ctx->active,
+				&ctx->staging,
 				sizeof(struct iwl_rxon_cmd));
 		}
 	}
 
 	if (changes & BSS_CHANGED_BEACON_ENABLED) {
 		if (vif->bss_conf.enable_beacon) {
-			memcpy(priv->staging_rxon.bssid_addr,
+			memcpy(ctx->staging.bssid_addr,
 			       bss_conf->bssid, ETH_ALEN);
 			memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
 			iwlcore_config_ap(priv, vif);
 		} else
-			iwl_set_no_assoc(priv);
+			iwl_set_no_assoc(priv, vif);
 	}
 
 	if (changes & BSS_CHANGED_IBSS) {
@@ -1827,6 +1932,12 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 				bss_conf->bssid);
 	}
 
+	if (changes & BSS_CHANGED_IDLE &&
+	    priv->cfg->ops->hcmd->set_pan_params) {
+		if (priv->cfg->ops->hcmd->set_pan_params(priv))
+			IWL_ERR(priv, "failed to update PAN params\n");
+	}
+
 	mutex_unlock(&priv->mutex);
 
 	IWL_DEBUG_MAC80211(priv, "leave\n");
@@ -1835,17 +1946,21 @@ EXPORT_SYMBOL(iwl_bss_info_changed);
 
 static int iwl_set_mode(struct iwl_priv *priv, struct ieee80211_vif *vif)
 {
-	iwl_connection_init_rx_config(priv, vif);
+	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
+
+	iwl_connection_init_rx_config(priv, ctx);
 
 	if (priv->cfg->ops->hcmd->set_rxon_chain)
-		priv->cfg->ops->hcmd->set_rxon_chain(priv);
+		priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
 
-	return iwlcore_commit_rxon(priv);
+	return iwlcore_commit_rxon(priv, ctx);
 }
 
 int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
 	struct iwl_priv *priv = hw->priv;
+	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
+	struct iwl_rxon_context *tmp, *ctx = NULL;
 	int err = 0;
 
 	IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n",
@@ -1858,23 +1973,60 @@ int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 		goto out;
 	}
 
-	if (priv->vif) {
-		IWL_DEBUG_MAC80211(priv, "leave - vif != NULL\n");
+	for_each_context(priv, tmp) {
+		u32 possible_modes =
+			tmp->interface_modes | tmp->exclusive_interface_modes;
+
+		if (tmp->vif) {
+			/* check if this busy context is exclusive */
+			if (tmp->exclusive_interface_modes &
+						BIT(tmp->vif->type)) {
+				err = -EINVAL;
+				goto out;
+			}
+			continue;
+		}
+
+		if (!(possible_modes & BIT(vif->type)))
+			continue;
+
+		/* have maybe usable context w/o interface */
+		ctx = tmp;
+		break;
+	}
+
+	if (!ctx) {
 		err = -EOPNOTSUPP;
 		goto out;
 	}
 
-	priv->vif = vif;
+	vif_priv->ctx = ctx;
+	ctx->vif = vif;
+	/*
+	 * This variable will be correct only when there's just
+	 * a single context, but all code using it is for hardware
+	 * that supports only one context.
+	 */
 	priv->iw_mode = vif->type;
 
 	err = iwl_set_mode(priv, vif);
 	if (err)
 		goto out_err;
 
+	if (priv->cfg->advanced_bt_coexist &&
+	    vif->type == NL80211_IFTYPE_ADHOC) {
+		/*
+		 * pretend to have high BT traffic as long as we
+		 * are operating in IBSS mode, as this will cause
+		 * the rate scaling etc. to behave as intended.
+		 */
+		priv->bt_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_HIGH;
+	}
+
 	goto out;
 
  out_err:
-	priv->vif = NULL;
+	ctx->vif = NULL;
 	priv->iw_mode = NL80211_IFTYPE_STATION;
  out:
 	mutex_unlock(&priv->mutex);
@@ -1888,26 +2040,36 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw,
 			      struct ieee80211_vif *vif)
 {
 	struct iwl_priv *priv = hw->priv;
+	struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
 	bool scan_completed = false;
 
 	IWL_DEBUG_MAC80211(priv, "enter\n");
 
 	mutex_lock(&priv->mutex);
 
-	if (iwl_is_ready_rf(priv)) {
-		iwl_scan_cancel_timeout(priv, 100);
-		priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-		iwlcore_commit_rxon(priv);
-	}
-	if (priv->vif == vif) {
-		priv->vif = NULL;
-		if (priv->scan_vif == vif) {
-			scan_completed = true;
-			priv->scan_vif = NULL;
-			priv->scan_request = NULL;
-		}
-		memset(priv->bssid, 0, ETH_ALEN);
+	WARN_ON(ctx->vif != vif);
+	ctx->vif = NULL;
+
+	iwl_scan_cancel_timeout(priv, 100);
+	iwl_set_mode(priv, vif);
+
+	if (priv->scan_vif == vif) {
+		scan_completed = true;
+		priv->scan_vif = NULL;
+		priv->scan_request = NULL;
 	}
+
+	/*
+	 * When removing the IBSS interface, overwrite the
+	 * BT traffic load with the stored one from the last
+	 * notification, if any. If this is a device that
+	 * doesn't implement this, this has no effect since
+	 * both values are the same and zero.
+	 */
+	if (vif->type == NL80211_IFTYPE_ADHOC)
+		priv->bt_traffic_load = priv->notif_bt_traffic_load;
+
+	memset(priv->bssid, 0, ETH_ALEN);
 	mutex_unlock(&priv->mutex);
 
 	if (scan_completed)
@@ -1928,6 +2090,7 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 	struct ieee80211_conf *conf = &hw->conf;
 	struct ieee80211_channel *channel = conf->channel;
 	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
+	struct iwl_rxon_context *ctx;
 	unsigned long flags = 0;
 	int ret = 0;
 	u16 ch;
@@ -1957,7 +2120,8 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 		 * configured.
 		 */
 		if (priv->cfg->ops->hcmd->set_rxon_chain)
-			priv->cfg->ops->hcmd->set_rxon_chain(priv);
+			for_each_context(priv, ctx)
+				priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
 	}
 
 	/* during scanning mac80211 will delay channel setting until
@@ -1977,39 +2141,49 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 
 		spin_lock_irqsave(&priv->lock, flags);
 
-		/* Configure HT40 channels */
-		ht_conf->is_ht = conf_is_ht(conf);
-		if (ht_conf->is_ht) {
-			if (conf_is_ht40_minus(conf)) {
-				ht_conf->extension_chan_offset =
-					IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-				ht_conf->is_40mhz = true;
-			} else if (conf_is_ht40_plus(conf)) {
-				ht_conf->extension_chan_offset =
-					IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-				ht_conf->is_40mhz = true;
-			} else {
-				ht_conf->extension_chan_offset =
-					IEEE80211_HT_PARAM_CHA_SEC_NONE;
-				ht_conf->is_40mhz = false;
-			}
-		} else
-			ht_conf->is_40mhz = false;
-		/* Default to no protection. Protection mode will later be set
-		 * from BSS config in iwl_ht_conf */
-		ht_conf->ht_protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
+		for_each_context(priv, ctx) {
+			/* Configure HT40 channels */
+			ctx->ht.enabled = conf_is_ht(conf);
+			if (ctx->ht.enabled) {
+				if (conf_is_ht40_minus(conf)) {
+					ctx->ht.extension_chan_offset =
+						IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+					ctx->ht.is_40mhz = true;
+				} else if (conf_is_ht40_plus(conf)) {
+					ctx->ht.extension_chan_offset =
+						IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+					ctx->ht.is_40mhz = true;
+				} else {
+					ctx->ht.extension_chan_offset =
+						IEEE80211_HT_PARAM_CHA_SEC_NONE;
+					ctx->ht.is_40mhz = false;
+				}
+			} else
+				ctx->ht.is_40mhz = false;
 
-		if ((le16_to_cpu(priv->staging_rxon.channel) != ch))
-			priv->staging_rxon.flags = 0;
+			/*
+			 * Default to no protection. Protection mode will
+			 * later be set from BSS config in iwl_ht_conf
+			 */
+			ctx->ht.protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
+
+			/* if we are switching from ht to 2.4 clear flags
+			 * from any ht related info since 2.4 does not
+			 * support ht */
+			if ((le16_to_cpu(ctx->staging.channel) != ch))
+				ctx->staging.flags = 0;
+
+			iwl_set_rxon_channel(priv, channel, ctx);
+			iwl_set_rxon_ht(priv, ht_conf);
 
-		iwl_set_rxon_channel(priv, channel);
-		iwl_set_rxon_ht(priv, ht_conf);
+			iwl_set_flags_for_band(priv, ctx, channel->band,
+					       ctx->vif);
+		}
 
-		iwl_set_flags_for_band(priv, channel->band, priv->vif);
 		spin_unlock_irqrestore(&priv->lock, flags);
 
-		if (priv->cfg->ops->lib->update_bcast_station)
-			ret = priv->cfg->ops->lib->update_bcast_station(priv);
+		if (priv->cfg->ops->lib->update_bcast_stations)
+			ret = priv->cfg->ops->lib->update_bcast_stations(priv);
 
  set_ch_out:
 		/* The list of supported rates and rate mask can be different
@@ -2040,12 +2214,13 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 	if (scan_active)
 		goto out;
 
-	if (memcmp(&priv->active_rxon,
-		   &priv->staging_rxon, sizeof(priv->staging_rxon)))
-		iwlcore_commit_rxon(priv);
-	else
-		IWL_DEBUG_INFO(priv, "Not re-sending same RXON configuration.\n");
-
+	for_each_context(priv, ctx) {
+		if (memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging)))
+			iwlcore_commit_rxon(priv, ctx);
+		else
+			IWL_DEBUG_INFO(priv,
+				"Not re-sending same RXON configuration.\n");
+	}
 
 out:
 	IWL_DEBUG_MAC80211(priv, "leave\n");
@@ -2058,6 +2233,8 @@ void iwl_mac_reset_tsf(struct ieee80211_hw *hw)
 {
 	struct iwl_priv *priv = hw->priv;
 	unsigned long flags;
+	/* IBSS can only be the IWL_RXON_CTX_BSS context */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	mutex_lock(&priv->mutex);
 	IWL_DEBUG_MAC80211(priv, "enter\n");
@@ -2088,8 +2265,8 @@ void iwl_mac_reset_tsf(struct ieee80211_hw *hw)
 	 * clear RXON_FILTER_ASSOC_MSK bit
 	 */
 	iwl_scan_cancel_timeout(priv, 100);
-	priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-	iwlcore_commit_rxon(priv);
+	ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+	iwlcore_commit_rxon(priv, ctx);
 
 	iwl_set_rate(priv);
 
@@ -2498,7 +2675,7 @@ static void iwl_force_rf_reset(struct iwl_priv *priv)
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
 
-	if (!iwl_is_associated(priv)) {
+	if (!iwl_is_any_associated(priv)) {
 		IWL_DEBUG_SCAN(priv, "force reset rejected: not associated\n");
 		return;
 	}
@@ -2624,10 +2801,14 @@ static int iwl_check_stuck_queue(struct iwl_priv *priv, int cnt)
 						"queue %d, not read %d time\n",
 						q->id,
 						q->repeat_same_read_ptr);
-				mod_timer(&priv->monitor_recover, jiffies +
-					msecs_to_jiffies(IWL_ONE_HUNDRED_MSECS));
+				if (!priv->cfg->advanced_bt_coexist) {
+					mod_timer(&priv->monitor_recover,
+						jiffies + msecs_to_jiffies(
+						IWL_ONE_HUNDRED_MSECS));
+					return 1;
+				}
 			}
-			return 1;
+			return 0;
 		} else {
 			q->last_read_ptr = q->read_ptr;
 			q->repeat_same_read_ptr = 0;
@@ -2645,25 +2826,27 @@ void iwl_bg_monitor_recover(unsigned long data)
 		return;
 
 	/* monitor and check for stuck cmd queue */
-	if (iwl_check_stuck_queue(priv, IWL_CMD_QUEUE_NUM))
+	if (iwl_check_stuck_queue(priv, priv->cmd_queue))
 		return;
 
 	/* monitor and check for other stuck queues */
-	if (iwl_is_associated(priv)) {
+	if (iwl_is_any_associated(priv)) {
 		for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
 			/* skip as we already checked the command queue */
-			if (cnt == IWL_CMD_QUEUE_NUM)
+			if (cnt == priv->cmd_queue)
 				continue;
 			if (iwl_check_stuck_queue(priv, cnt))
 				return;
 		}
 	}
-	/*
-	 * Reschedule the timer to occur in
-	 * priv->cfg->monitor_recover_period
-	 */
-	mod_timer(&priv->monitor_recover,
-		jiffies + msecs_to_jiffies(priv->cfg->monitor_recover_period));
+	if (priv->cfg->monitor_recover_period) {
+		/*
+		 * Reschedule the timer to occur in
+		 * priv->cfg->monitor_recover_period
+		 */
+		mod_timer(&priv->monitor_recover, jiffies + msecs_to_jiffies(
+			  priv->cfg->monitor_recover_period));
+	}
 }
 EXPORT_SYMBOL(iwl_bg_monitor_recover);
 

drivers/net/wireless/iwlwifi/iwl-core.h

@@ -88,11 +88,13 @@ struct iwl_cmd;
 #define IWL_CMD(x) case x: return #x
 
 struct iwl_hcmd_ops {
-	int (*rxon_assoc)(struct iwl_priv *priv);
-	int (*commit_rxon)(struct iwl_priv *priv);
-	void (*set_rxon_chain)(struct iwl_priv *priv);
+	int (*rxon_assoc)(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
+	int (*commit_rxon)(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
+	void (*set_rxon_chain)(struct iwl_priv *priv,
+			       struct iwl_rxon_context *ctx);
 	int (*set_tx_ant)(struct iwl_priv *priv, u8 valid_tx_ant);
 	void (*send_bt_config)(struct iwl_priv *priv);
+	int (*set_pan_params)(struct iwl_priv *priv);
 };
 
 struct iwl_hcmd_utils_ops {
@@ -205,7 +207,7 @@ struct iwl_lib_ops {
 	/* station management */
 	int (*manage_ibss_station)(struct iwl_priv *priv,
 				   struct ieee80211_vif *vif, bool add);
-	int (*update_bcast_station)(struct iwl_priv *priv);
+	int (*update_bcast_stations)(struct iwl_priv *priv);
 	/* recover from tx queue stall */
 	void (*recover_from_tx_stall)(unsigned long data);
 	/* check for plcp health */
@@ -278,6 +280,9 @@ struct iwl_mod_params {
  * @chain_noise_calib_by_driver: driver has the capability to perform
  *	chain noise calibration operation
  * @scan_antennas: available antenna for scan operation
+ * @advanced_bt_coexist: support advanced bt coexist
+ * @bt_init_traffic_load: specify initial bt traffic load
+ * @bt_prio_boost: default bt priority boost value
  * @need_dc_calib: need to perform init dc calibration
  * @bt_statistics: use BT version of statistics notification
  * @agg_time_limit: maximum number of uSec in aggregation
@@ -351,6 +356,9 @@ struct iwl_cfg {
 	const bool chain_noise_calib_by_driver;
 	u8 scan_rx_antennas[IEEE80211_NUM_BANDS];
 	u8 scan_tx_antennas[IEEE80211_NUM_BANDS];
+	bool advanced_bt_coexist;
+	u8 bt_init_traffic_load;
+	u8 bt_prio_boost;
 	const bool need_dc_calib;
 	const bool bt_statistics;
 	u16 agg_time_limit;
@@ -368,21 +376,25 @@ void iwl_activate_qos(struct iwl_priv *priv);
 int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
 		    const struct ieee80211_tx_queue_params *params);
 int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw);
-void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt);
-int iwl_check_rxon_cmd(struct iwl_priv *priv);
-int iwl_full_rxon_required(struct iwl_priv *priv);
-void iwl_set_rxon_chain(struct iwl_priv *priv);
-int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch);
+void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			   int hw_decrypt);
+int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
+int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
+void iwl_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
+int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
+			 struct iwl_rxon_context *ctx);
 void iwl_set_flags_for_band(struct iwl_priv *priv,
+			    struct iwl_rxon_context *ctx,
 			    enum ieee80211_band band,
 			    struct ieee80211_vif *vif);
 u8 iwl_get_single_channel_number(struct iwl_priv *priv,
 				  enum ieee80211_band band);
 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
-u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
-			 struct ieee80211_sta_ht_cap *sta_ht_inf);
+bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
+			    struct iwl_rxon_context *ctx,
+			    struct ieee80211_sta_ht_cap *ht_cap);
 void iwl_connection_init_rx_config(struct iwl_priv *priv,
-				   struct ieee80211_vif *vif);
+				   struct iwl_rxon_context *ctx);
 void iwl_set_rate(struct iwl_priv *priv);
 int iwl_set_decrypted_flag(struct iwl_priv *priv,
 			   struct ieee80211_hdr *hdr,
@@ -394,7 +406,7 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw,
 				     struct ieee80211_vif *vif,
 				     struct ieee80211_bss_conf *bss_conf,
 				     u32 changes);
-int iwl_commit_rxon(struct iwl_priv *priv);
+int iwl_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 int iwl_mac_add_interface(struct ieee80211_hw *hw,
 			  struct ieee80211_vif *vif);
 void iwl_mac_remove_interface(struct ieee80211_hw *hw,
@@ -512,7 +524,8 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
 
 int iwl_hwrate_to_plcp_idx(u32 rate_n_flags);
 
-u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv);
+u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv,
+			    struct iwl_rxon_context *ctx);
 
 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
 
@@ -626,9 +639,11 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv,
 void iwl_dump_csr(struct iwl_priv *priv);
 int iwl_dump_fh(struct iwl_priv *priv, char **buf, bool display);
 #ifdef CONFIG_IWLWIFI_DEBUG
-void iwl_print_rx_config_cmd(struct iwl_priv *priv);
+void iwl_print_rx_config_cmd(struct iwl_priv *priv,
+			     struct iwl_rxon_context *ctx);
 #else
-static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv)
+static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
+					   struct iwl_rxon_context *ctx)
 {
 }
 #endif
@@ -708,19 +723,21 @@ static inline int iwl_is_ready_rf(struct iwl_priv *priv)
 extern void iwl_send_bt_config(struct iwl_priv *priv);
 extern int iwl_send_statistics_request(struct iwl_priv *priv,
 				       u8 flags, bool clear);
-extern int iwl_send_lq_cmd(struct iwl_priv *priv,
+extern int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 		struct iwl_link_quality_cmd *lq, u8 flags, bool init);
 void iwl_apm_stop(struct iwl_priv *priv);
 int iwl_apm_init(struct iwl_priv *priv);
 
-int iwl_send_rxon_timing(struct iwl_priv *priv, struct ieee80211_vif *vif);
-static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
+int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
+static inline int iwl_send_rxon_assoc(struct iwl_priv *priv,
+				      struct iwl_rxon_context *ctx)
 {
-	return priv->cfg->ops->hcmd->rxon_assoc(priv);
+	return priv->cfg->ops->hcmd->rxon_assoc(priv, ctx);
 }
-static inline int iwlcore_commit_rxon(struct iwl_priv *priv)
+static inline int iwlcore_commit_rxon(struct iwl_priv *priv,
+				      struct iwl_rxon_context *ctx)
 {
-	return priv->cfg->ops->hcmd->commit_rxon(priv);
+	return priv->cfg->ops->hcmd->commit_rxon(priv, ctx);
 }
 static inline void iwlcore_config_ap(struct iwl_priv *priv,
 				     struct ieee80211_vif *vif)
@@ -732,4 +749,8 @@ static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
 {
 	return priv->hw->wiphy->bands[band];
 }
+
+extern bool bt_coex_active;
+extern bool bt_siso_mode;
+
 #endif /* __iwl_core_h__ */

drivers/net/wireless/iwlwifi/iwl-debugfs.c

@@ -643,19 +643,25 @@ static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 				       size_t count, loff_t *ppos)
 {
 	struct iwl_priv *priv = file->private_data;
+	struct iwl_rxon_context *ctx;
 	int pos = 0, i;
-	char buf[256];
+	char buf[256 * NUM_IWL_RXON_CTX];
 	const size_t bufsz = sizeof(buf);
 
-	for (i = 0; i < AC_NUM; i++) {
-		pos += scnprintf(buf + pos, bufsz - pos,
-			"\tcw_min\tcw_max\taifsn\ttxop\n");
-		pos += scnprintf(buf + pos, bufsz - pos,
+	for_each_context(priv, ctx) {
+		pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
+				 ctx->ctxid);
+		for (i = 0; i < AC_NUM; i++) {
+			pos += scnprintf(buf + pos, bufsz - pos,
+				"\tcw_min\tcw_max\taifsn\ttxop\n");
+			pos += scnprintf(buf + pos, bufsz - pos,
 				"AC[%d]\t%u\t%u\t%u\t%u\n", i,
-				priv->qos_data.def_qos_parm.ac[i].cw_min,
-				priv->qos_data.def_qos_parm.ac[i].cw_max,
-				priv->qos_data.def_qos_parm.ac[i].aifsn,
-				priv->qos_data.def_qos_parm.ac[i].edca_txop);
+				ctx->qos_data.def_qos_parm.ac[i].cw_min,
+				ctx->qos_data.def_qos_parm.ac[i].cw_max,
+				ctx->qos_data.def_qos_parm.ac[i].aifsn,
+				ctx->qos_data.def_qos_parm.ac[i].edca_txop);
+		}
+		pos += scnprintf(buf + pos, bufsz - pos, "\n");
 	}
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
@@ -730,7 +736,7 @@ static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 		return -EFAULT;
 	if (sscanf(buf, "%d", &ht40) != 1)
 		return -EFAULT;
-	if (!iwl_is_associated(priv))
+	if (!iwl_is_any_associated(priv))
 		priv->disable_ht40 = ht40 ? true : false;
 	else {
 		IWL_ERR(priv, "Sta associated with AP - "
@@ -1319,7 +1325,8 @@ static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
 	int len = 0;
 	char buf[20];
 
-	len = sprintf(buf, "0x%04X\n", le32_to_cpu(priv->active_rxon.flags));
+	len = sprintf(buf, "0x%04X\n",
+		le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -1332,7 +1339,7 @@ static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
 	char buf[20];
 
 	len = sprintf(buf, "0x%04X\n",
-		      le32_to_cpu(priv->active_rxon.filter_flags));
+		le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -1527,6 +1534,76 @@ static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
 			user_buf, count, ppos);
 }
 
+static ssize_t iwl_dbgfs_monitor_period_write(struct file *file,
+					const char __user *user_buf,
+					size_t count, loff_t *ppos) {
+
+	struct iwl_priv *priv = file->private_data;
+	char buf[8];
+	int buf_size;
+	int period;
+
+	memset(buf, 0, sizeof(buf));
+	buf_size = min(count, sizeof(buf) -  1);
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	if (sscanf(buf, "%d", &period) != 1)
+		return -EINVAL;
+	if (period < 0 || period > IWL_MAX_MONITORING_PERIOD)
+		priv->cfg->monitor_recover_period = IWL_DEF_MONITORING_PERIOD;
+	else
+		priv->cfg->monitor_recover_period = period;
+
+	if (priv->cfg->monitor_recover_period)
+		mod_timer(&priv->monitor_recover, jiffies + msecs_to_jiffies(
+			  priv->cfg->monitor_recover_period));
+	else
+		del_timer_sync(&priv->monitor_recover);
+	return count;
+}
+
+static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
+					char __user *user_buf,
+					size_t count, loff_t *ppos) {
+
+	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+	int pos = 0;
+	char buf[200];
+	const size_t bufsz = sizeof(buf);
+	ssize_t ret;
+
+	pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
+		priv->bt_full_concurrent ? "full concurrency" : "3-wire");
+	pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
+			 "last traffic notif: %d\n",
+		priv->bt_status ? "On" : "Off", priv->notif_bt_traffic_load);
+	pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
+			 "sco_active: %d, kill_ack_mask: %x, "
+			 "kill_cts_mask: %x\n",
+		priv->bt_ch_announce, priv->bt_sco_active,
+		priv->kill_ack_mask, priv->kill_cts_mask);
+
+	pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
+	switch (priv->bt_traffic_load) {
+	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
+		pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
+		pos += scnprintf(buf + pos, bufsz - pos, "High\n");
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
+		pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
+		break;
+	case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
+	default:
+		pos += scnprintf(buf + pos, bufsz - pos, "None\n");
+		break;
+	}
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	return ret;
+}
+
 DEBUGFS_READ_FILE_OPS(rx_statistics);
 DEBUGFS_READ_FILE_OPS(tx_statistics);
 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@@ -1550,6 +1627,8 @@ DEBUGFS_READ_FILE_OPS(rxon_flags);
 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
+DEBUGFS_WRITE_FILE_OPS(monitor_period);
+DEBUGFS_READ_FILE_OPS(bt_traffic);
 
 /*
  * Create the debugfs files and directories
@@ -1621,6 +1700,9 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 		DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
 	DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
 	DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
+	DEBUGFS_ADD_FILE(monitor_period, dir_debug, S_IWUSR);
+	if (priv->cfg->advanced_bt_coexist)
+		DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
 	if (priv->cfg->sensitivity_calib_by_driver)
 		DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
 				 &priv->disable_sens_cal);

drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -144,6 +144,7 @@ struct iwl_queue {
 /* One for each TFD */
 struct iwl_tx_info {
 	struct sk_buff *skb;
+	struct iwl_rxon_context *ctx;
 };
 
 /**
@@ -253,10 +254,14 @@ struct iwl_channel_info {
 	struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
 };
 
-#define IWL_TX_FIFO_BK		0
+#define IWL_TX_FIFO_BK		0	/* shared */
 #define IWL_TX_FIFO_BE		1
-#define IWL_TX_FIFO_VI		2
+#define IWL_TX_FIFO_VI		2	/* shared */
 #define IWL_TX_FIFO_VO		3
+#define IWL_TX_FIFO_BK_IPAN	IWL_TX_FIFO_BK
+#define IWL_TX_FIFO_BE_IPAN	4
+#define IWL_TX_FIFO_VI_IPAN	IWL_TX_FIFO_VI
+#define IWL_TX_FIFO_VO_IPAN	5
 #define IWL_TX_FIFO_UNUSED	-1
 
 /* Minimum number of queues. MAX_NUM is defined in hw specific files.
@@ -265,11 +270,17 @@ struct iwl_channel_info {
 #define IWL_MIN_NUM_QUEUES	10
 
 /*
- * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00,
- * the driver maps it into the appropriate device FIFO for the
- * uCode.
+ * Command queue depends on iPAN support.
  */
-#define IWL_CMD_QUEUE_NUM	4
+#define IWL_DEFAULT_CMD_QUEUE_NUM	4
+#define IWL_IPAN_CMD_QUEUE_NUM		9
+
+/*
+ * This queue number is required for proper operation
+ * because the ucode will stop/start the scheduler as
+ * required.
+ */
+#define IWL_IPAN_MCAST_QUEUE		8
 
 /* Power management (not Tx power) structures */
 
@@ -459,15 +470,8 @@ union iwl_ht_rate_supp {
 #define CFG_HT_MPDU_DENSITY_MIN     (0x1)
 
 struct iwl_ht_config {
-	/* self configuration data */
-	bool is_ht;
-	bool is_40mhz;
 	bool single_chain_sufficient;
 	enum ieee80211_smps_mode smps; /* current smps mode */
-	/* BSS related data */
-	u8 extension_chan_offset;
-	u8 ht_protection;
-	u8 non_GF_STA_present;
 };
 
 /* QoS structures */
@@ -485,12 +489,13 @@ struct iwl_qos_info {
 struct iwl_station_entry {
 	struct iwl_addsta_cmd sta;
 	struct iwl_tid_data tid[MAX_TID_COUNT];
-	u8 used;
+	u8 used, ctxid;
 	struct iwl_hw_key keyinfo;
 	struct iwl_link_quality_cmd *lq;
 };
 
 struct iwl_station_priv_common {
+	struct iwl_rxon_context *ctx;
 	u8 sta_id;
 };
 
@@ -519,6 +524,7 @@ struct iwl_station_priv {
  * space for us to put data into.
  */
 struct iwl_vif_priv {
+	struct iwl_rxon_context *ctx;
 	u8 ibss_bssid_sta_id;
 };
 
@@ -576,6 +582,7 @@ enum iwl_ucode_tlv_type {
 	IWL_UCODE_TLV_INIT_DATA		= 4,
 	IWL_UCODE_TLV_BOOT		= 5,
 	IWL_UCODE_TLV_PROBE_MAX_LEN	= 6, /* a u32 value */
+	IWL_UCODE_TLV_PAN		= 7,
 	IWL_UCODE_TLV_RUNT_EVTLOG_PTR	= 8,
 	IWL_UCODE_TLV_RUNT_EVTLOG_SIZE	= 9,
 	IWL_UCODE_TLV_RUNT_ERRLOG_PTR	= 10,
@@ -670,7 +677,6 @@ struct iwl_sensitivity_ranges {
  * @rx_page_order: Rx buffer page order
  * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
  * @max_stations:
- * @bcast_sta_id:
  * @ht40_channel: is 40MHz width possible in band 2.4
  * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
  * @sw_crypto: 0 for hw, 1 for sw
@@ -694,7 +700,6 @@ struct iwl_hw_params {
 	u32 rx_page_order;
 	u32 rx_wrt_ptr_reg;
 	u8  max_stations;
-	u8  bcast_sta_id;
 	u8  ht40_channel;
 	u8  max_beacon_itrvl;	/* in 1024 ms */
 	u32 max_inst_size;
@@ -1064,6 +1069,10 @@ struct iwl_event_log {
 #define IWL_DEF_MONITORING_PERIOD	(1000)
 #define IWL_LONG_MONITORING_PERIOD	(5000)
 #define IWL_ONE_HUNDRED_MSECS   (100)
+#define IWL_MAX_MONITORING_PERIOD	(60000)
+
+/* BT Antenna Coupling Threshold (dB) */
+#define IWL_BT_ANTENNA_COUPLING_THRESHOLD	(35)
 
 enum iwl_reset {
 	IWL_RF_RESET = 0,
@@ -1093,6 +1102,57 @@ struct iwl_force_reset {
  */
 #define IWLAGN_EXT_BEACON_TIME_POS	22
 
+enum iwl_rxon_context_id {
+	IWL_RXON_CTX_BSS,
+	IWL_RXON_CTX_PAN,
+
+	NUM_IWL_RXON_CTX
+};
+
+struct iwl_rxon_context {
+	struct ieee80211_vif *vif;
+
+	const u8 *ac_to_fifo;
+	const u8 *ac_to_queue;
+	u8 mcast_queue;
+
+	enum iwl_rxon_context_id ctxid;
+
+	u32 interface_modes, exclusive_interface_modes;
+	u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
+
+	/*
+	 * We declare this const so it can only be
+	 * changed via explicit cast within the
+	 * routines that actually update the physical
+	 * hardware.
+	 */
+	const struct iwl_rxon_cmd active;
+	struct iwl_rxon_cmd staging;
+
+	struct iwl_rxon_time_cmd timing;
+
+	struct iwl_qos_info qos_data;
+
+	u8 bcast_sta_id, ap_sta_id;
+
+	u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
+	u8 qos_cmd;
+	u8 wep_key_cmd;
+
+	struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
+	u8 key_mapping_keys;
+
+	__le32 station_flags;
+
+	struct {
+		bool non_gf_sta_present;
+		u8 protection;
+		bool enabled, is_40mhz;
+		u8 extension_chan_offset;
+	} ht;
+};
+
 struct iwl_priv {
 
 	/* ieee device used by generic ieee processing code */
@@ -1169,6 +1229,15 @@ struct iwl_priv {
 	u32  hw_wa_rev;
 	u8   rev_id;
 
+	/* microcode/device supports multiple contexts */
+	u8 valid_contexts;
+
+	/* command queue number */
+	u8 cmd_queue;
+
+	/* max number of station keys */
+	u8 sta_key_max_num;
+
 	/* EEPROM MAC addresses */
 	struct mac_address addresses[2];
 
@@ -1186,15 +1255,7 @@ struct iwl_priv {
 	u8 ucode_write_complete;	/* the image write is complete */
 	char firmware_name[25];
 
-
-	struct iwl_rxon_time_cmd rxon_timing;
-
-	/* We declare this const so it can only be
-	 * changed via explicit cast within the
-	 * routines that actually update the physical
-	 * hardware */
-	const struct iwl_rxon_cmd active_rxon;
-	struct iwl_rxon_cmd staging_rxon;
+	struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
 
 	struct iwl_switch_rxon switch_rxon;
 
@@ -1256,8 +1317,6 @@ struct iwl_priv {
 	spinlock_t sta_lock;
 	int num_stations;
 	struct iwl_station_entry stations[IWL_STATION_COUNT];
-	struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; /* protected by mutex */
-	u8 key_mapping_key;
 	unsigned long ucode_key_table;
 
 	/* queue refcounts */
@@ -1282,7 +1341,6 @@ struct iwl_priv {
 
 	/* Last Rx'd beacon timestamp */
 	u64 timestamp;
-	struct ieee80211_vif *vif;
 
 	union {
 #if defined(CONFIG_IWL3945) || defined(CONFIG_IWL3945_MODULE)
@@ -1362,12 +1420,27 @@ struct iwl_priv {
 #endif
 	};
 
+	/* bt coex */
+	u8 bt_status;
+	u8 bt_traffic_load, notif_bt_traffic_load;
+	bool bt_ch_announce;
+	bool bt_sco_active;
+	bool bt_full_concurrent;
+	bool bt_ant_couple_ok;
+	__le32 kill_ack_mask;
+	__le32 kill_cts_mask;
+	__le16 bt_valid;
+	u16 bt_on_thresh;
+	u16 bt_duration;
+	u16 dynamic_frag_thresh;
+	u16 dynamic_agg_thresh;
+	u8 bt_ci_compliance;
+	struct work_struct bt_traffic_change_work;
+
 	struct iwl_hw_params hw_params;
 
 	u32 inta_mask;
 
-	struct iwl_qos_info qos_data;
-
 	struct workqueue_struct *workqueue;
 
 	struct work_struct restart;
@@ -1375,11 +1448,15 @@ struct iwl_priv {
 	struct work_struct rx_replenish;
 	struct work_struct abort_scan;
 	struct work_struct beacon_update;
+	struct iwl_rxon_context *beacon_ctx;
+
 	struct work_struct tt_work;
 	struct work_struct ct_enter;
 	struct work_struct ct_exit;
 	struct work_struct start_internal_scan;
 	struct work_struct tx_flush;
+	struct work_struct bt_full_concurrency;
+	struct work_struct bt_runtime_config;
 
 	struct tasklet_struct irq_tasklet;
 
@@ -1467,10 +1544,34 @@ static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
 	return NULL;
 }
 
+static inline struct iwl_rxon_context *
+iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
+{
+	struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
+
+	return vif_priv->ctx;
+}
+
+#define for_each_context(priv, ctx)				\
+	for (ctx = &priv->contexts[IWL_RXON_CTX_BSS];		\
+	     ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++)	\
+		if (priv->valid_contexts & BIT(ctx->ctxid))
+
+static inline int iwl_is_associated(struct iwl_priv *priv,
+				    enum iwl_rxon_context_id ctxid)
+{
+	return (priv->contexts[ctxid].active.filter_flags &
+			RXON_FILTER_ASSOC_MSK) ? 1 : 0;
+}
+
+static inline int iwl_is_any_associated(struct iwl_priv *priv)
+{
+	return iwl_is_associated(priv, IWL_RXON_CTX_BSS);
+}
 
-static inline int iwl_is_associated(struct iwl_priv *priv)
+static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
 {
-	return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
+	return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
 }
 
 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)

drivers/net/wireless/iwlwifi/iwl-hcmd.c

@@ -97,6 +97,17 @@ const char *get_cmd_string(u8 cmd)
 		IWL_CMD(REPLY_TX_POWER_DBM_CMD);
 		IWL_CMD(TEMPERATURE_NOTIFICATION);
 		IWL_CMD(TX_ANT_CONFIGURATION_CMD);
+		IWL_CMD(REPLY_BT_COEX_PROFILE_NOTIF);
+		IWL_CMD(REPLY_BT_COEX_PRIO_TABLE);
+		IWL_CMD(REPLY_BT_COEX_PROT_ENV);
+		IWL_CMD(REPLY_WIPAN_PARAMS);
+		IWL_CMD(REPLY_WIPAN_RXON);
+		IWL_CMD(REPLY_WIPAN_RXON_TIMING);
+		IWL_CMD(REPLY_WIPAN_RXON_ASSOC);
+		IWL_CMD(REPLY_WIPAN_QOS_PARAM);
+		IWL_CMD(REPLY_WIPAN_WEPKEY);
+		IWL_CMD(REPLY_WIPAN_P2P_CHANNEL_SWITCH);
+		IWL_CMD(REPLY_WIPAN_NOA_NOTIFICATION);
 	default:
 		return "UNKNOWN";
 
@@ -229,7 +240,7 @@ cancel:
 		 * in later, it will possibly set an invalid
 		 * address (cmd->meta.source).
 		 */
-		priv->txq[IWL_CMD_QUEUE_NUM].meta[cmd_idx].flags &=
+		priv->txq[priv->cmd_queue].meta[cmd_idx].flags &=
 							~CMD_WANT_SKB;
 	}
 fail:

drivers/net/wireless/iwlwifi/iwl-prph.h

@@ -306,7 +306,7 @@
  *     at a time, until receiving ACK from receiving station, or reaching
  *     retry limit and giving up.
  *
- *     The command queue (#4) must use this mode!
+ *     The command queue (#4/#9) must use this mode!
  *     This mode does not require use of the Byte Count table in host DRAM.
  *
  * Driver controls scheduler operation via 3 means:
@@ -322,7 +322,7 @@
  *     (1024 bytes for each queue).
  *
  * After receiving "Alive" response from uCode, driver must initialize
- * the scheduler (especially for queue #4, the command queue, otherwise
+ * the scheduler (especially for queue #4/#9, the command queue, otherwise
  * the driver can't issue commands!):
  */
 
@@ -555,8 +555,9 @@
 #define IWLAGN_SCD_TRANSLATE_TBL_OFFSET_QUEUE(x) \
 	((IWLAGN_SCD_TRANSLATE_TBL_OFFSET + ((x) * 2)) & 0xfffc)
 
-#define IWLAGN_SCD_QUEUECHAIN_SEL_ALL(x)		(((1<<(x)) - 1) &\
-	(~(1<<IWL_CMD_QUEUE_NUM)))
+#define IWLAGN_SCD_QUEUECHAIN_SEL_ALL(priv)	\
+	(((1<<(priv)->hw_params.max_txq_num) - 1) &\
+	(~(1<<(priv)->cmd_queue)))
 
 #define IWLAGN_SCD_BASE			(PRPH_BASE + 0xa02c00)
 

drivers/net/wireless/iwlwifi/iwl-rx.c

@@ -228,7 +228,7 @@ void iwl_recover_from_statistics(struct iwl_priv *priv,
 {
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
-	if (iwl_is_associated(priv)) {
+	if (iwl_is_any_associated(priv)) {
 		if (priv->cfg->ops->lib->check_ack_health) {
 			if (!priv->cfg->ops->lib->check_ack_health(
 			    priv, pkt)) {
@@ -266,7 +266,12 @@ int iwl_set_decrypted_flag(struct iwl_priv *priv,
 {
 	u16 fc = le16_to_cpu(hdr->frame_control);
 
-	if (priv->active_rxon.filter_flags & RXON_FILTER_DIS_DECRYPT_MSK)
+	/*
+	 * All contexts have the same setting here due to it being
+	 * a module parameter, so OK to check any context.
+	 */
+	if (priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags &
+						RXON_FILTER_DIS_DECRYPT_MSK)
 		return 0;
 
 	if (!(fc & IEEE80211_FCTL_PROTECTED))

drivers/net/wireless/iwlwifi/iwl-scan.c

@@ -206,7 +206,6 @@ static void iwl_rx_scan_results_notif(struct iwl_priv *priv,
 static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
 				       struct iwl_rx_mem_buffer *rxb)
 {
-#ifdef CONFIG_IWLWIFI_DEBUG
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw;
 
@@ -214,7 +213,6 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
 		       scan_notif->scanned_channels,
 		       scan_notif->tsf_low,
 		       scan_notif->tsf_high, scan_notif->status);
-#endif
 
 	/* The HW is no longer scanning */
 	clear_bit(STATUS_SCAN_HW, &priv->status);
@@ -236,6 +234,26 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
 
 	clear_bit(STATUS_SCANNING, &priv->status);
 
+	if (priv->iw_mode != NL80211_IFTYPE_ADHOC &&
+	    priv->cfg->advanced_bt_coexist && priv->bt_status !=
+	    scan_notif->bt_status) {
+		if (scan_notif->bt_status) {
+			/* BT on */
+			if (!priv->bt_ch_announce)
+				priv->bt_traffic_load =
+					IWL_BT_COEX_TRAFFIC_LOAD_HIGH;
+			/*
+			 * otherwise, no traffic load information provided
+			 * no changes made
+			 */
+		} else {
+			/* BT off */
+			priv->bt_traffic_load =
+				IWL_BT_COEX_TRAFFIC_LOAD_NONE;
+		}
+		priv->bt_status = scan_notif->bt_status;
+		queue_work(priv->workqueue, &priv->bt_traffic_change_work);
+	}
 	queue_work(priv->workqueue, &priv->scan_completed);
 }
 
@@ -268,18 +286,28 @@ u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
 			       enum ieee80211_band band,
 			       struct ieee80211_vif *vif)
 {
+	struct iwl_rxon_context *ctx;
 	u16 passive = (band == IEEE80211_BAND_2GHZ) ?
 	    IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_24 :
 	    IWL_PASSIVE_DWELL_BASE + IWL_PASSIVE_DWELL_TIME_52;
 
-	if (iwl_is_associated(priv)) {
-		/* If we're associated, we clamp the maximum passive
-		 * dwell time to be 98% of the beacon interval (minus
-		 * 2 * channel tune time) */
-		passive = vif ? vif->bss_conf.beacon_int : 0;
-		if ((passive > IWL_PASSIVE_DWELL_BASE) || !passive)
-			passive = IWL_PASSIVE_DWELL_BASE;
-		passive = (passive * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2;
+	if (iwl_is_any_associated(priv)) {
+		/*
+		 * If we're associated, we clamp the maximum passive
+		 * dwell time to be 98% of the smallest beacon interval
+		 * (minus 2 * channel tune time)
+		 */
+		for_each_context(priv, ctx) {
+			u16 value;
+
+			if (!iwl_is_associated_ctx(ctx))
+				continue;
+			value = ctx->vif ? ctx->vif->bss_conf.beacon_int : 0;
+			if ((value > IWL_PASSIVE_DWELL_BASE) || !value)
+				value = IWL_PASSIVE_DWELL_BASE;
+			value = (value * 98) / 100 - IWL_CHANNEL_TUNE_TIME * 2;
+			passive = min(value, passive);
+		}
 	}
 
 	return passive;
@@ -509,6 +537,7 @@ static void iwl_bg_scan_completed(struct work_struct *work)
 	    container_of(work, struct iwl_priv, scan_completed);
 	bool internal = false;
 	bool scan_completed = false;
+	struct iwl_rxon_context *ctx;
 
 	IWL_DEBUG_SCAN(priv, "SCAN complete scan\n");
 
@@ -539,11 +568,13 @@ static void iwl_bg_scan_completed(struct work_struct *work)
 	 * Since setting the RXON may have been deferred while
 	 * performing the scan, fire one off if needed
 	 */
-	if (memcmp(&priv->active_rxon,
-		   &priv->staging_rxon, sizeof(priv->staging_rxon)))
-		iwlcore_commit_rxon(priv);
+	for_each_context(priv, ctx)
+		iwlcore_commit_rxon(priv, ctx);
 
  out:
+	if (priv->cfg->ops->hcmd->set_pan_params)
+		priv->cfg->ops->hcmd->set_pan_params(priv);
+
 	mutex_unlock(&priv->mutex);
 
 	/*

drivers/net/wireless/iwlwifi/iwl-sta.c

@@ -172,12 +172,14 @@ int iwl_send_add_sta(struct iwl_priv *priv,
 EXPORT_SYMBOL(iwl_send_add_sta);
 
 static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
-				   struct ieee80211_sta_ht_cap *sta_ht_inf)
+				   struct ieee80211_sta *sta,
+				   struct iwl_rxon_context *ctx)
 {
+	struct ieee80211_sta_ht_cap *sta_ht_inf = &sta->ht_cap;
 	__le32 sta_flags;
 	u8 mimo_ps_mode;
 
-	if (!sta_ht_inf || !sta_ht_inf->ht_supported)
+	if (!sta || !sta_ht_inf->ht_supported)
 		goto done;
 
 	mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2;
@@ -211,7 +213,7 @@ static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
 	sta_flags |= cpu_to_le32(
 	      (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS);
 
-	if (iwl_is_ht40_tx_allowed(priv, sta_ht_inf))
+	if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
 		sta_flags |= STA_FLG_HT40_EN_MSK;
 	else
 		sta_flags &= ~STA_FLG_HT40_EN_MSK;
@@ -226,9 +228,9 @@ static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
  *
  * should be called with sta_lock held
  */
-static u8 iwl_prep_station(struct iwl_priv *priv, const u8 *addr,
-			   bool is_ap,
-			   struct ieee80211_sta_ht_cap *ht_info)
+static u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			   const u8 *addr, bool is_ap,
+			   struct ieee80211_sta *sta)
 {
 	struct iwl_station_entry *station;
 	int i;
@@ -236,9 +238,9 @@ static u8 iwl_prep_station(struct iwl_priv *priv, const u8 *addr,
 	u16 rate;
 
 	if (is_ap)
-		sta_id = IWL_AP_ID;
+		sta_id = ctx->ap_sta_id;
 	else if (is_broadcast_ether_addr(addr))
-		sta_id = priv->hw_params.bcast_sta_id;
+		sta_id = ctx->bcast_sta_id;
 	else
 		for (i = IWL_STA_ID; i < priv->hw_params.max_stations; i++) {
 			if (!compare_ether_addr(priv->stations[i].sta.sta.addr,
@@ -289,14 +291,22 @@ static u8 iwl_prep_station(struct iwl_priv *priv, const u8 *addr,
 	memcpy(station->sta.sta.addr, addr, ETH_ALEN);
 	station->sta.mode = 0;
 	station->sta.sta.sta_id = sta_id;
-	station->sta.station_flags = 0;
+	station->sta.station_flags = ctx->station_flags;
+	station->ctxid = ctx->ctxid;
+
+	if (sta) {
+		struct iwl_station_priv_common *sta_priv;
+
+		sta_priv = (void *)sta->drv_priv;
+		sta_priv->ctx = ctx;
+	}
 
 	/*
 	 * OK to call unconditionally, since local stations (IBSS BSSID
-	 * STA and broadcast STA) pass in a NULL ht_info, and mac80211
+	 * STA and broadcast STA) pass in a NULL sta, and mac80211
 	 * doesn't allow HT IBSS.
 	 */
-	iwl_set_ht_add_station(priv, sta_id, ht_info);
+	iwl_set_ht_add_station(priv, sta_id, sta, ctx);
 
 	/* 3945 only */
 	rate = (priv->band == IEEE80211_BAND_5GHZ) ?
@@ -313,10 +323,9 @@ static u8 iwl_prep_station(struct iwl_priv *priv, const u8 *addr,
 /**
  * iwl_add_station_common -
  */
-int iwl_add_station_common(struct iwl_priv *priv, const u8 *addr,
-				  bool is_ap,
-				  struct ieee80211_sta_ht_cap *ht_info,
-				  u8 *sta_id_r)
+int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			   const u8 *addr, bool is_ap,
+			   struct ieee80211_sta *sta, u8 *sta_id_r)
 {
 	unsigned long flags_spin;
 	int ret = 0;
@@ -325,7 +334,7 @@ int iwl_add_station_common(struct iwl_priv *priv, const u8 *addr,
 
 	*sta_id_r = 0;
 	spin_lock_irqsave(&priv->sta_lock, flags_spin);
-	sta_id = iwl_prep_station(priv, addr, is_ap, ht_info);
+	sta_id = iwl_prep_station(priv, ctx, addr, is_ap, sta);
 	if (sta_id == IWL_INVALID_STATION) {
 		IWL_ERR(priv, "Unable to prepare station %pM for addition\n",
 			addr);
@@ -431,8 +440,8 @@ static struct iwl_link_quality_cmd *iwl_sta_alloc_lq(struct iwl_priv *priv,
  *
  * Function sleeps.
  */
-int iwl_add_bssid_station(struct iwl_priv *priv, const u8 *addr, bool init_rs,
-			  u8 *sta_id_r)
+int iwl_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			  const u8 *addr, bool init_rs, u8 *sta_id_r)
 {
 	int ret;
 	u8 sta_id;
@@ -442,7 +451,7 @@ int iwl_add_bssid_station(struct iwl_priv *priv, const u8 *addr, bool init_rs,
 	if (sta_id_r)
 		*sta_id_r = IWL_INVALID_STATION;
 
-	ret = iwl_add_station_common(priv, addr, 0, NULL, &sta_id);
+	ret = iwl_add_station_common(priv, ctx, addr, 0, NULL, &sta_id);
 	if (ret) {
 		IWL_ERR(priv, "Unable to add station %pM\n", addr);
 		return ret;
@@ -464,7 +473,7 @@ int iwl_add_bssid_station(struct iwl_priv *priv, const u8 *addr, bool init_rs,
 			return -ENOMEM;
 		}
 
-		ret = iwl_send_lq_cmd(priv, link_cmd, CMD_SYNC, true);
+		ret = iwl_send_lq_cmd(priv, ctx, link_cmd, CMD_SYNC, true);
 		if (ret)
 			IWL_ERR(priv, "Link quality command failed (%d)\n", ret);
 
@@ -616,7 +625,8 @@ EXPORT_SYMBOL_GPL(iwl_remove_station);
  * other than explicit station management would cause this in
  * the ucode, e.g. unassociated RXON.
  */
-void iwl_clear_ucode_stations(struct iwl_priv *priv)
+void iwl_clear_ucode_stations(struct iwl_priv *priv,
+			      struct iwl_rxon_context *ctx)
 {
 	int i;
 	unsigned long flags_spin;
@@ -626,6 +636,9 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv)
 
 	spin_lock_irqsave(&priv->sta_lock, flags_spin);
 	for (i = 0; i < priv->hw_params.max_stations; i++) {
+		if (ctx && ctx->ctxid != priv->stations[i].ctxid)
+			continue;
+
 		if (priv->stations[i].used & IWL_STA_UCODE_ACTIVE) {
 			IWL_DEBUG_INFO(priv, "Clearing ucode active for station %d\n", i);
 			priv->stations[i].used &= ~IWL_STA_UCODE_ACTIVE;
@@ -647,7 +660,7 @@ EXPORT_SYMBOL(iwl_clear_ucode_stations);
  *
  * Function sleeps.
  */
-void iwl_restore_stations(struct iwl_priv *priv)
+void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 {
 	struct iwl_addsta_cmd sta_cmd;
 	struct iwl_link_quality_cmd lq;
@@ -665,6 +678,8 @@ void iwl_restore_stations(struct iwl_priv *priv)
 	IWL_DEBUG_ASSOC(priv, "Restoring all known stations ... start.\n");
 	spin_lock_irqsave(&priv->sta_lock, flags_spin);
 	for (i = 0; i < priv->hw_params.max_stations; i++) {
+		if (ctx->ctxid != priv->stations[i].ctxid)
+			continue;
 		if ((priv->stations[i].used & IWL_STA_DRIVER_ACTIVE) &&
 			    !(priv->stations[i].used & IWL_STA_UCODE_ACTIVE)) {
 			IWL_DEBUG_ASSOC(priv, "Restoring sta %pM\n",
@@ -700,7 +715,7 @@ void iwl_restore_stations(struct iwl_priv *priv)
 			 * current LQ command
 			 */
 			if (send_lq)
-				iwl_send_lq_cmd(priv, &lq, CMD_SYNC, true);
+				iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true);
 			spin_lock_irqsave(&priv->sta_lock, flags_spin);
 			priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS;
 		}
@@ -718,7 +733,7 @@ int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
 {
 	int i;
 
-	for (i = 0; i < STA_KEY_MAX_NUM; i++)
+	for (i = 0; i < priv->sta_key_max_num; i++)
 		if (!test_and_set_bit(i, &priv->ucode_key_table))
 			return i;
 
@@ -726,7 +741,9 @@ int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
 }
 EXPORT_SYMBOL(iwl_get_free_ucode_key_index);
 
-static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
+static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv,
+				      struct iwl_rxon_context *ctx,
+				      bool send_if_empty)
 {
 	int i, not_empty = 0;
 	u8 buff[sizeof(struct iwl_wep_cmd) +
@@ -734,7 +751,7 @@ static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
 	struct iwl_wep_cmd *wep_cmd = (struct iwl_wep_cmd *)buff;
 	size_t cmd_size  = sizeof(struct iwl_wep_cmd);
 	struct iwl_host_cmd cmd = {
-		.id = REPLY_WEPKEY,
+		.id = ctx->wep_key_cmd,
 		.data = wep_cmd,
 		.flags = CMD_SYNC,
 	};
@@ -746,16 +763,16 @@ static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
 
 	for (i = 0; i < WEP_KEYS_MAX ; i++) {
 		wep_cmd->key[i].key_index = i;
-		if (priv->wep_keys[i].key_size) {
+		if (ctx->wep_keys[i].key_size) {
 			wep_cmd->key[i].key_offset = i;
 			not_empty = 1;
 		} else {
 			wep_cmd->key[i].key_offset = WEP_INVALID_OFFSET;
 		}
 
-		wep_cmd->key[i].key_size = priv->wep_keys[i].key_size;
-		memcpy(&wep_cmd->key[i].key[3], priv->wep_keys[i].key,
-				priv->wep_keys[i].key_size);
+		wep_cmd->key[i].key_size = ctx->wep_keys[i].key_size;
+		memcpy(&wep_cmd->key[i].key[3], ctx->wep_keys[i].key,
+				ctx->wep_keys[i].key_size);
 	}
 
 	wep_cmd->global_key_type = WEP_KEY_WEP_TYPE;
@@ -771,15 +788,17 @@ static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
 		return 0;
 }
 
-int iwl_restore_default_wep_keys(struct iwl_priv *priv)
+int iwl_restore_default_wep_keys(struct iwl_priv *priv,
+				 struct iwl_rxon_context *ctx)
 {
 	lockdep_assert_held(&priv->mutex);
 
-	return iwl_send_static_wepkey_cmd(priv, 0);
+	return iwl_send_static_wepkey_cmd(priv, ctx, false);
 }
 EXPORT_SYMBOL(iwl_restore_default_wep_keys);
 
 int iwl_remove_default_wep_key(struct iwl_priv *priv,
+			       struct iwl_rxon_context *ctx,
 			       struct ieee80211_key_conf *keyconf)
 {
 	int ret;
@@ -789,13 +808,13 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv,
 	IWL_DEBUG_WEP(priv, "Removing default WEP key: idx=%d\n",
 		      keyconf->keyidx);
 
-	memset(&priv->wep_keys[keyconf->keyidx], 0, sizeof(priv->wep_keys[0]));
+	memset(&ctx->wep_keys[keyconf->keyidx], 0, sizeof(ctx->wep_keys[0]));
 	if (iwl_is_rfkill(priv)) {
 		IWL_DEBUG_WEP(priv, "Not sending REPLY_WEPKEY command due to RFKILL.\n");
 		/* but keys in device are clear anyway so return success */
 		return 0;
 	}
-	ret = iwl_send_static_wepkey_cmd(priv, 1);
+	ret = iwl_send_static_wepkey_cmd(priv, ctx, 1);
 	IWL_DEBUG_WEP(priv, "Remove default WEP key: idx=%d ret=%d\n",
 		      keyconf->keyidx, ret);
 
@@ -804,6 +823,7 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv,
 EXPORT_SYMBOL(iwl_remove_default_wep_key);
 
 int iwl_set_default_wep_key(struct iwl_priv *priv,
+			    struct iwl_rxon_context *ctx,
 			    struct ieee80211_key_conf *keyconf)
 {
 	int ret;
@@ -818,13 +838,13 @@ int iwl_set_default_wep_key(struct iwl_priv *priv,
 
 	keyconf->flags &= ~IEEE80211_KEY_FLAG_GENERATE_IV;
 	keyconf->hw_key_idx = HW_KEY_DEFAULT;
-	priv->stations[IWL_AP_ID].keyinfo.cipher = keyconf->cipher;
+	priv->stations[ctx->ap_sta_id].keyinfo.cipher = keyconf->cipher;
 
-	priv->wep_keys[keyconf->keyidx].key_size = keyconf->keylen;
-	memcpy(&priv->wep_keys[keyconf->keyidx].key, &keyconf->key,
+	ctx->wep_keys[keyconf->keyidx].key_size = keyconf->keylen;
+	memcpy(&ctx->wep_keys[keyconf->keyidx].key, &keyconf->key,
 							keyconf->keylen);
 
-	ret = iwl_send_static_wepkey_cmd(priv, 0);
+	ret = iwl_send_static_wepkey_cmd(priv, ctx, false);
 	IWL_DEBUG_WEP(priv, "Set default WEP key: len=%d idx=%d ret=%d\n",
 		keyconf->keylen, keyconf->keyidx, ret);
 
@@ -833,8 +853,9 @@ int iwl_set_default_wep_key(struct iwl_priv *priv,
 EXPORT_SYMBOL(iwl_set_default_wep_key);
 
 static int iwl_set_wep_dynamic_key_info(struct iwl_priv *priv,
-				struct ieee80211_key_conf *keyconf,
-				u8 sta_id)
+					struct iwl_rxon_context *ctx,
+					struct ieee80211_key_conf *keyconf,
+					u8 sta_id)
 {
 	unsigned long flags;
 	__le16 key_flags = 0;
@@ -851,7 +872,7 @@ static int iwl_set_wep_dynamic_key_info(struct iwl_priv *priv,
 	if (keyconf->keylen == WEP_KEY_LEN_128)
 		key_flags |= STA_KEY_FLG_KEY_SIZE_MSK;
 
-	if (sta_id == priv->hw_params.bcast_sta_id)
+	if (sta_id == ctx->bcast_sta_id)
 		key_flags |= STA_KEY_MULTICAST_MSK;
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
@@ -887,8 +908,9 @@ static int iwl_set_wep_dynamic_key_info(struct iwl_priv *priv,
 }
 
 static int iwl_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
-				   struct ieee80211_key_conf *keyconf,
-				   u8 sta_id)
+					 struct iwl_rxon_context *ctx,
+					 struct ieee80211_key_conf *keyconf,
+					 u8 sta_id)
 {
 	unsigned long flags;
 	__le16 key_flags = 0;
@@ -900,7 +922,7 @@ static int iwl_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
 	key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
 	key_flags &= ~STA_KEY_FLG_INVALID;
 
-	if (sta_id == priv->hw_params.bcast_sta_id)
+	if (sta_id == ctx->bcast_sta_id)
 		key_flags |= STA_KEY_MULTICAST_MSK;
 
 	keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
@@ -936,8 +958,9 @@ static int iwl_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
 }
 
 static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
-				   struct ieee80211_key_conf *keyconf,
-				   u8 sta_id)
+					 struct iwl_rxon_context *ctx,
+					 struct ieee80211_key_conf *keyconf,
+					 u8 sta_id)
 {
 	unsigned long flags;
 	int ret = 0;
@@ -947,7 +970,7 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
 	key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
 	key_flags &= ~STA_KEY_FLG_INVALID;
 
-	if (sta_id == priv->hw_params.bcast_sta_id)
+	if (sta_id == ctx->bcast_sta_id)
 		key_flags |= STA_KEY_MULTICAST_MSK;
 
 	keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
@@ -982,8 +1005,9 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
 }
 
 void iwl_update_tkip_key(struct iwl_priv *priv,
-			struct ieee80211_key_conf *keyconf,
-			struct ieee80211_sta *sta, u32 iv32, u16 *phase1key)
+			 struct iwl_rxon_context *ctx,
+			 struct ieee80211_key_conf *keyconf,
+			 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key)
 {
 	u8 sta_id;
 	unsigned long flags;
@@ -995,7 +1019,7 @@ void iwl_update_tkip_key(struct iwl_priv *priv,
 		return;
 	}
 
-	sta_id = iwl_sta_id_or_broadcast(priv, sta);
+	sta_id = iwl_sta_id_or_broadcast(priv, ctx, sta);
 	if (sta_id == IWL_INVALID_STATION)
 		return;
 
@@ -1018,8 +1042,9 @@ void iwl_update_tkip_key(struct iwl_priv *priv,
 EXPORT_SYMBOL(iwl_update_tkip_key);
 
 int iwl_remove_dynamic_key(struct iwl_priv *priv,
-				struct ieee80211_key_conf *keyconf,
-				u8 sta_id)
+			   struct iwl_rxon_context *ctx,
+			   struct ieee80211_key_conf *keyconf,
+			   u8 sta_id)
 {
 	unsigned long flags;
 	u16 key_flags;
@@ -1028,7 +1053,7 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
 
 	lockdep_assert_held(&priv->mutex);
 
-	priv->key_mapping_key--;
+	ctx->key_mapping_keys--;
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
 	key_flags = le16_to_cpu(priv->stations[sta_id].sta.key.key_flags);
@@ -1080,26 +1105,26 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
 }
 EXPORT_SYMBOL(iwl_remove_dynamic_key);
 
-int iwl_set_dynamic_key(struct iwl_priv *priv,
-				struct ieee80211_key_conf *keyconf, u8 sta_id)
+int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			struct ieee80211_key_conf *keyconf, u8 sta_id)
 {
 	int ret;
 
 	lockdep_assert_held(&priv->mutex);
 
-	priv->key_mapping_key++;
+	ctx->key_mapping_keys++;
 	keyconf->hw_key_idx = HW_KEY_DYNAMIC;
 
 	switch (keyconf->cipher) {
 	case WLAN_CIPHER_SUITE_CCMP:
-		ret = iwl_set_ccmp_dynamic_key_info(priv, keyconf, sta_id);
+		ret = iwl_set_ccmp_dynamic_key_info(priv, ctx, keyconf, sta_id);
 		break;
 	case WLAN_CIPHER_SUITE_TKIP:
-		ret = iwl_set_tkip_dynamic_key_info(priv, keyconf, sta_id);
+		ret = iwl_set_tkip_dynamic_key_info(priv, ctx, keyconf, sta_id);
 		break;
 	case WLAN_CIPHER_SUITE_WEP40:
 	case WLAN_CIPHER_SUITE_WEP104:
-		ret = iwl_set_wep_dynamic_key_info(priv, keyconf, sta_id);
+		ret = iwl_set_wep_dynamic_key_info(priv, ctx, keyconf, sta_id);
 		break;
 	default:
 		IWL_ERR(priv,
@@ -1149,16 +1174,16 @@ static inline void iwl_dump_lq_cmd(struct iwl_priv *priv,
  * RXON flags are updated and when LQ command is updated.
  */
 static bool is_lq_table_valid(struct iwl_priv *priv,
+			      struct iwl_rxon_context *ctx,
 			      struct iwl_link_quality_cmd *lq)
 {
 	int i;
-	struct iwl_ht_config *ht_conf = &priv->current_ht_config;
 
-	if (ht_conf->is_ht)
+	if (ctx->ht.enabled)
 		return true;
 
 	IWL_DEBUG_INFO(priv, "Channel %u is not an HT channel\n",
-		       priv->active_rxon.channel);
+		       ctx->active.channel);
 	for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) {
 		if (le32_to_cpu(lq->rs_table[i].rate_n_flags) & RATE_MCS_HT_MSK) {
 			IWL_DEBUG_INFO(priv,
@@ -1180,7 +1205,7 @@ static bool is_lq_table_valid(struct iwl_priv *priv,
  * this case to clear the state indicating that station creation is in
  * progress.
  */
-int iwl_send_lq_cmd(struct iwl_priv *priv,
+int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 		    struct iwl_link_quality_cmd *lq, u8 flags, bool init)
 {
 	int ret = 0;
@@ -1199,7 +1224,7 @@ int iwl_send_lq_cmd(struct iwl_priv *priv,
 	iwl_dump_lq_cmd(priv, lq);
 	BUG_ON(init && (cmd.flags & CMD_ASYNC));
 
-	if (is_lq_table_valid(priv, lq))
+	if (is_lq_table_valid(priv, ctx, lq))
 		ret = iwl_send_cmd(priv, &cmd);
 	else
 		ret = -EINVAL;
@@ -1225,14 +1250,15 @@ EXPORT_SYMBOL(iwl_send_lq_cmd);
  * and marks it driver active, so that it will be restored to the
  * device at the next best time.
  */
-int iwl_alloc_bcast_station(struct iwl_priv *priv, bool init_lq)
+int iwl_alloc_bcast_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			    bool init_lq)
 {
 	struct iwl_link_quality_cmd *link_cmd;
 	unsigned long flags;
 	u8 sta_id;
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
-	sta_id = iwl_prep_station(priv, iwl_bcast_addr, false, NULL);
+	sta_id = iwl_prep_station(priv, ctx, iwl_bcast_addr, false, NULL);
 	if (sta_id == IWL_INVALID_STATION) {
 		IWL_ERR(priv, "Unable to prepare broadcast station\n");
 		spin_unlock_irqrestore(&priv->sta_lock, flags);
@@ -1267,11 +1293,12 @@ EXPORT_SYMBOL_GPL(iwl_alloc_bcast_station);
  * Only used by iwlagn. Placed here to have all bcast station management
  * code together.
  */
-int iwl_update_bcast_station(struct iwl_priv *priv)
+static int iwl_update_bcast_station(struct iwl_priv *priv,
+				    struct iwl_rxon_context *ctx)
 {
 	unsigned long flags;
 	struct iwl_link_quality_cmd *link_cmd;
-	u8 sta_id = priv->hw_params.bcast_sta_id;
+	u8 sta_id = ctx->bcast_sta_id;
 
 	link_cmd = iwl_sta_alloc_lq(priv, sta_id);
 	if (!link_cmd) {
@@ -1289,9 +1316,23 @@ int iwl_update_bcast_station(struct iwl_priv *priv)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(iwl_update_bcast_station);
 
-void iwl_dealloc_bcast_station(struct iwl_priv *priv)
+int iwl_update_bcast_stations(struct iwl_priv *priv)
+{
+	struct iwl_rxon_context *ctx;
+	int ret = 0;
+
+	for_each_context(priv, ctx) {
+		ret = iwl_update_bcast_station(priv, ctx);
+		if (ret)
+			break;
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(iwl_update_bcast_stations);
+
+void iwl_dealloc_bcast_stations(struct iwl_priv *priv)
 {
 	unsigned long flags;
 	int i;
@@ -1309,7 +1350,7 @@ void iwl_dealloc_bcast_station(struct iwl_priv *priv)
 	}
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 }
-EXPORT_SYMBOL_GPL(iwl_dealloc_bcast_station);
+EXPORT_SYMBOL_GPL(iwl_dealloc_bcast_stations);
 
 /**
  * iwl_sta_tx_modify_enable_tid - Enable Tx for this TID in station table

drivers/net/wireless/iwlwifi/iwl-sta.h

@@ -44,32 +44,37 @@
 
 
 int iwl_remove_default_wep_key(struct iwl_priv *priv,
+			       struct iwl_rxon_context *ctx,
 			       struct ieee80211_key_conf *key);
 int iwl_set_default_wep_key(struct iwl_priv *priv,
+			    struct iwl_rxon_context *ctx,
 			    struct ieee80211_key_conf *key);
-int iwl_restore_default_wep_keys(struct iwl_priv *priv);
-int iwl_set_dynamic_key(struct iwl_priv *priv,
+int iwl_restore_default_wep_keys(struct iwl_priv *priv,
+				 struct iwl_rxon_context *ctx);
+int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 			struct ieee80211_key_conf *key, u8 sta_id);
-int iwl_remove_dynamic_key(struct iwl_priv *priv,
+int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
 			   struct ieee80211_key_conf *key, u8 sta_id);
 void iwl_update_tkip_key(struct iwl_priv *priv,
-			struct ieee80211_key_conf *keyconf,
-			struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
-
-void iwl_restore_stations(struct iwl_priv *priv);
-void iwl_clear_ucode_stations(struct iwl_priv *priv);
-int iwl_alloc_bcast_station(struct iwl_priv *priv, bool init_lq);
-void iwl_dealloc_bcast_station(struct iwl_priv *priv);
-int iwl_update_bcast_station(struct iwl_priv *priv);
+			 struct iwl_rxon_context *ctx,
+			 struct ieee80211_key_conf *keyconf,
+			 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
+
+void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
+void iwl_clear_ucode_stations(struct iwl_priv *priv,
+			      struct iwl_rxon_context *ctx);
+int iwl_alloc_bcast_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			    bool init_lq);
+void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
+int iwl_update_bcast_stations(struct iwl_priv *priv);
 int iwl_get_free_ucode_key_index(struct iwl_priv *priv);
 int iwl_send_add_sta(struct iwl_priv *priv,
 		     struct iwl_addsta_cmd *sta, u8 flags);
-int iwl_add_bssid_station(struct iwl_priv *priv, const u8 *addr, bool init_rs,
-			  u8 *sta_id_r);
-int iwl_add_station_common(struct iwl_priv *priv, const u8 *addr,
-				  bool is_ap,
-				  struct ieee80211_sta_ht_cap *ht_info,
-				  u8 *sta_id_r);
+int iwl_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			  const u8 *addr, bool init_rs, u8 *sta_id_r);
+int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+			   const u8 *addr, bool is_ap,
+			   struct ieee80211_sta *sta, u8 *sta_id_r);
 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
 		       const u8 *addr);
 int iwl_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
@@ -94,20 +99,25 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
 static inline void iwl_clear_driver_stations(struct iwl_priv *priv)
 {
 	unsigned long flags;
+	struct iwl_rxon_context *ctx;
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
 	memset(priv->stations, 0, sizeof(priv->stations));
 	priv->num_stations = 0;
 
-	/*
-	 * Remove all key information that is not stored as part of station
-	 * information since mac80211 may not have had a
-	 * chance to remove all the keys. When device is reconfigured by
-	 * mac80211 after an error all keys will be reconfigured.
-	 */
 	priv->ucode_key_table = 0;
-	priv->key_mapping_key = 0;
-	memset(priv->wep_keys, 0, sizeof(priv->wep_keys));
+
+	for_each_context(priv, ctx) {
+		/*
+		 * Remove all key information that is not stored as part
+		 * of station information since mac80211 may not have had
+		 * a chance to remove all the keys. When device is
+		 * reconfigured by mac80211 after an error all keys will
+		 * be reconfigured.
+		 */
+		memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys));
+		ctx->key_mapping_keys = 0;
+	}
 
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 }
@@ -123,6 +133,7 @@ static inline int iwl_sta_id(struct ieee80211_sta *sta)
 /**
  * iwl_sta_id_or_broadcast - return sta_id or broadcast sta
  * @priv: iwl priv
+ * @context: the current context
  * @sta: mac80211 station
  *
  * In certain circumstances mac80211 passes a station pointer
@@ -131,12 +142,13 @@ static inline int iwl_sta_id(struct ieee80211_sta *sta)
  * inline wraps that pattern.
  */
 static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv,
+					  struct iwl_rxon_context *context,
 					  struct ieee80211_sta *sta)
 {
 	int sta_id;
 
 	if (!sta)
-		return priv->hw_params.bcast_sta_id;
+		return context->bcast_sta_id;
 
 	sta_id = iwl_sta_id(sta);
 

drivers/net/wireless/iwlwifi/iwl-tx.c

@@ -134,7 +134,7 @@ EXPORT_SYMBOL(iwl_tx_queue_free);
  */
 void iwl_cmd_queue_free(struct iwl_priv *priv)
 {
-	struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM];
+	struct iwl_tx_queue *txq = &priv->txq[priv->cmd_queue];
 	struct iwl_queue *q = &txq->q;
 	struct device *dev = &priv->pci_dev->dev;
 	int i;
@@ -271,7 +271,7 @@ static int iwl_tx_queue_alloc(struct iwl_priv *priv,
 
 	/* Driver private data, only for Tx (not command) queues,
 	 * not shared with device. */
-	if (id != IWL_CMD_QUEUE_NUM) {
+	if (id != priv->cmd_queue) {
 		txq->txb = kzalloc(sizeof(txq->txb[0]) *
 				   TFD_QUEUE_SIZE_MAX, GFP_KERNEL);
 		if (!txq->txb) {
@@ -314,13 +314,13 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
 
 	/*
 	 * Alloc buffer array for commands (Tx or other types of commands).
-	 * For the command queue (#4), allocate command space + one big
+	 * For the command queue (#4/#9), allocate command space + one big
 	 * command for scan, since scan command is very huge; the system will
 	 * not have two scans at the same time, so only one is needed.
 	 * For normal Tx queues (all other queues), no super-size command
 	 * space is needed.
 	 */
-	if (txq_id == IWL_CMD_QUEUE_NUM)
+	if (txq_id == priv->cmd_queue)
 		actual_slots++;
 
 	txq->meta = kzalloc(sizeof(struct iwl_cmd_meta) * actual_slots,
@@ -355,7 +355,7 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
 	 * need an swq_id so don't set one to catch errors, all others can
 	 * be set up to the identity mapping.
 	 */
-	if (txq_id != IWL_CMD_QUEUE_NUM)
+	if (txq_id != priv->cmd_queue)
 		txq->swq_id = txq_id;
 
 	/* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise
@@ -385,7 +385,7 @@ void iwl_tx_queue_reset(struct iwl_priv *priv, struct iwl_tx_queue *txq,
 {
 	int actual_slots = slots_num;
 
-	if (txq_id == IWL_CMD_QUEUE_NUM)
+	if (txq_id == priv->cmd_queue)
 		actual_slots++;
 
 	memset(txq->meta, 0, sizeof(struct iwl_cmd_meta) * actual_slots);
@@ -413,7 +413,7 @@ EXPORT_SYMBOL(iwl_tx_queue_reset);
  */
 int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 {
-	struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM];
+	struct iwl_tx_queue *txq = &priv->txq[priv->cmd_queue];
 	struct iwl_queue *q = &txq->q;
 	struct iwl_device_cmd *out_cmd;
 	struct iwl_cmd_meta *out_meta;
@@ -483,7 +483,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 	 * information */
 
 	out_cmd->hdr.flags = 0;
-	out_cmd->hdr.sequence = cpu_to_le16(QUEUE_TO_SEQ(IWL_CMD_QUEUE_NUM) |
+	out_cmd->hdr.sequence = cpu_to_le16(QUEUE_TO_SEQ(priv->cmd_queue) |
 			INDEX_TO_SEQ(q->write_ptr));
 	if (cmd->flags & CMD_SIZE_HUGE)
 		out_cmd->hdr.sequence |= SEQ_HUGE_FRAME;
@@ -500,15 +500,15 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 				get_cmd_string(out_cmd->hdr.cmd),
 				out_cmd->hdr.cmd,
 				le16_to_cpu(out_cmd->hdr.sequence), fix_size,
-				q->write_ptr, idx, IWL_CMD_QUEUE_NUM);
-				break;
+				q->write_ptr, idx, priv->cmd_queue);
+		break;
 	default:
 		IWL_DEBUG_HC(priv, "Sending command %s (#%x), seq: 0x%04X, "
 				"%d bytes at %d[%d]:%d\n",
 				get_cmd_string(out_cmd->hdr.cmd),
 				out_cmd->hdr.cmd,
 				le16_to_cpu(out_cmd->hdr.sequence), fix_size,
-				q->write_ptr, idx, IWL_CMD_QUEUE_NUM);
+				q->write_ptr, idx, priv->cmd_queue);
 	}
 #endif
 	txq->need_update = 1;
@@ -587,16 +587,16 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 	bool huge = !!(pkt->hdr.sequence & SEQ_HUGE_FRAME);
 	struct iwl_device_cmd *cmd;
 	struct iwl_cmd_meta *meta;
-	struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM];
+	struct iwl_tx_queue *txq = &priv->txq[priv->cmd_queue];
 
 	/* If a Tx command is being handled and it isn't in the actual
 	 * command queue then there a command routing bug has been introduced
 	 * in the queue management code. */
-	if (WARN(txq_id != IWL_CMD_QUEUE_NUM,
-		 "wrong command queue %d, sequence 0x%X readp=%d writep=%d\n",
-		  txq_id, sequence,
-		  priv->txq[IWL_CMD_QUEUE_NUM].q.read_ptr,
-		  priv->txq[IWL_CMD_QUEUE_NUM].q.write_ptr)) {
+	if (WARN(txq_id != priv->cmd_queue,
+		 "wrong command queue %d (should be %d), sequence 0x%X readp=%d writep=%d\n",
+		  txq_id, priv->cmd_queue, sequence,
+		  priv->txq[priv->cmd_queue].q.read_ptr,
+		  priv->txq[priv->cmd_queue].q.write_ptr)) {
 		iwl_print_hex_error(priv, pkt, 32);
 		return;
 	}

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -144,7 +144,7 @@ static int iwl3945_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
 	key_flags |= (STA_KEY_FLG_CCMP | STA_KEY_FLG_MAP_KEY_MSK);
 	key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
 
-	if (sta_id == priv->hw_params.bcast_sta_id)
+	if (sta_id == priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id)
 		key_flags |= STA_KEY_MULTICAST_MSK;
 
 	keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
@@ -317,7 +317,7 @@ unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv,
 				int left)
 {
 
-	if (!iwl_is_associated(priv) || !priv->ibss_beacon)
+	if (!iwl_is_associated(priv, IWL_RXON_CTX_BSS) || !priv->ibss_beacon)
 		return 0;
 
 	if (priv->ibss_beacon->len > left)
@@ -343,7 +343,8 @@ static int iwl3945_send_beacon_cmd(struct iwl_priv *priv)
 		return -ENOMEM;
 	}
 
-	rate = iwl_rate_get_lowest_plcp(priv);
+	rate = iwl_rate_get_lowest_plcp(priv,
+				&priv->contexts[IWL_RXON_CTX_BSS]);
 
 	frame_size = iwl3945_hw_get_beacon_cmd(priv, frame, rate);
 
@@ -512,7 +513,9 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	hdr_len = ieee80211_hdrlen(fc);
 
 	/* Find index into station table for destination station */
-	sta_id = iwl_sta_id_or_broadcast(priv, info->control.sta);
+	sta_id = iwl_sta_id_or_broadcast(
+			priv, &priv->contexts[IWL_RXON_CTX_BSS],
+			info->control.sta);
 	if (sta_id == IWL_INVALID_STATION) {
 		IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
 			       hdr->addr1);
@@ -542,6 +545,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	/* Set up driver data for this TFD */
 	memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
 	txq->txb[q->write_ptr].skb = skb;
+	txq->txb[q->write_ptr].ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	/* Init first empty entry in queue's array of Tx/cmd buffers */
 	out_cmd = txq->cmd[idx];
@@ -683,11 +687,12 @@ static int iwl3945_get_measurement(struct iwl_priv *priv,
 	int rc;
 	int spectrum_resp_status;
 	int duration = le16_to_cpu(params->duration);
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
-	if (iwl_is_associated(priv))
+	if (iwl_is_associated(priv, IWL_RXON_CTX_BSS))
 		add_time = iwl_usecs_to_beacons(priv,
 			le64_to_cpu(params->start_time) - priv->_3945.last_tsf,
-			le16_to_cpu(priv->rxon_timing.beacon_interval));
+			le16_to_cpu(ctx->timing.beacon_interval));
 
 	memset(&spectrum, 0, sizeof(spectrum));
 
@@ -698,18 +703,18 @@ static int iwl3945_get_measurement(struct iwl_priv *priv,
 	cmd.len = sizeof(spectrum);
 	spectrum.len = cpu_to_le16(cmd.len - sizeof(spectrum.len));
 
-	if (iwl_is_associated(priv))
+	if (iwl_is_associated(priv, IWL_RXON_CTX_BSS))
 		spectrum.start_time =
 			iwl_add_beacon_time(priv,
 				priv->_3945.last_beacon_time, add_time,
-				le16_to_cpu(priv->rxon_timing.beacon_interval));
+				le16_to_cpu(ctx->timing.beacon_interval));
 	else
 		spectrum.start_time = 0;
 
 	spectrum.channels[0].duration = cpu_to_le32(duration * TIME_UNIT);
 	spectrum.channels[0].channel = params->channel;
 	spectrum.channels[0].type = type;
-	if (priv->active_rxon.flags & RXON_FLG_BAND_24G_MSK)
+	if (ctx->active.flags & RXON_FLG_BAND_24G_MSK)
 		spectrum.flags |= RXON_FLG_BAND_24G_MSK |
 		    RXON_FLG_AUTO_DETECT_MSK | RXON_FLG_TGG_PROTECT_MSK;
 
@@ -798,7 +803,8 @@ static void iwl3945_bg_beacon_update(struct work_struct *work)
 	struct sk_buff *beacon;
 
 	/* Pull updated AP beacon from mac80211. will fail if not in AP mode */
-	beacon = ieee80211_beacon_get(priv->hw, priv->vif);
+	beacon = ieee80211_beacon_get(priv->hw,
+			priv->contexts[IWL_RXON_CTX_BSS].vif);
 
 	if (!beacon) {
 		IWL_ERR(priv, "update beacon failed\n");
@@ -2468,6 +2474,7 @@ static void iwl3945_alive_start(struct iwl_priv *priv)
 {
 	int thermal_spin = 0;
 	u32 rfkill;
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
 
@@ -2525,22 +2532,22 @@ static void iwl3945_alive_start(struct iwl_priv *priv)
 
 	iwl_power_update_mode(priv, true);
 
-	if (iwl_is_associated(priv)) {
+	if (iwl_is_associated(priv, IWL_RXON_CTX_BSS)) {
 		struct iwl3945_rxon_cmd *active_rxon =
-				(struct iwl3945_rxon_cmd *)(&priv->active_rxon);
+				(struct iwl3945_rxon_cmd *)(&ctx->active);
 
-		priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
+		ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
 		active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 	} else {
 		/* Initialize our rx_config data */
-		iwl_connection_init_rx_config(priv, NULL);
+		iwl_connection_init_rx_config(priv, ctx);
 	}
 
 	/* Configure Bluetooth device coexistence support */
 	priv->cfg->ops->hcmd->send_bt_config(priv);
 
 	/* Configure the adapter for unassociated operation */
-	iwlcore_commit_rxon(priv);
+	iwlcore_commit_rxon(priv, ctx);
 
 	iwl3945_reg_txpower_periodic(priv);
 
@@ -2571,9 +2578,14 @@ static void __iwl3945_down(struct iwl_priv *priv)
 	if (!exit_pending)
 		set_bit(STATUS_EXIT_PENDING, &priv->status);
 
+	/* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set
+	 * to prevent rearm timer */
+	if (priv->cfg->ops->lib->recover_from_tx_stall)
+		del_timer_sync(&priv->monitor_recover);
+
 	/* Station information will now be cleared in device */
-	iwl_clear_ucode_stations(priv);
-	iwl_dealloc_bcast_station(priv);
+	iwl_clear_ucode_stations(priv, NULL);
+	iwl_dealloc_bcast_stations(priv);
 	iwl_clear_driver_stations(priv);
 
 	/* Unblock any waiting calls */
@@ -2655,7 +2667,8 @@ static int __iwl3945_up(struct iwl_priv *priv)
 {
 	int rc, i;
 
-	rc = iwl_alloc_bcast_station(priv, false);
+	rc = iwl_alloc_bcast_station(priv, &priv->contexts[IWL_RXON_CTX_BSS],
+				     false);
 	if (rc)
 		return rc;
 
@@ -2878,7 +2891,7 @@ void iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH;
 	scan->quiet_time = IWL_ACTIVE_QUIET_TIME;
 
-	if (iwl_is_associated(priv)) {
+	if (iwl_is_associated(priv, IWL_RXON_CTX_BSS)) {
 		u16 interval = 0;
 		u32 extra;
 		u32 suspend_time = 100;
@@ -2939,7 +2952,7 @@ void iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	/* We don't build a direct scan probe request; the uCode will do
 	 * that based on the direct_mask added to each channel entry */
 	scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
-	scan->tx_cmd.sta_id = priv->hw_params.bcast_sta_id;
+	scan->tx_cmd.sta_id = priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id;
 	scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
 
 	/* flags + rate selection */
@@ -3037,8 +3050,10 @@ static void iwl3945_bg_restart(struct work_struct *data)
 		return;
 
 	if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) {
+		struct iwl_rxon_context *ctx;
 		mutex_lock(&priv->mutex);
-		priv->vif = NULL;
+		for_each_context(priv, ctx)
+			ctx->vif = NULL;
 		priv->is_open = 0;
 		mutex_unlock(&priv->mutex);
 		iwl3945_down(priv);
@@ -3072,6 +3087,7 @@ void iwl3945_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
 {
 	int rc = 0;
 	struct ieee80211_conf *conf = NULL;
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	if (!vif || !priv->is_open)
 		return;
@@ -3082,7 +3098,7 @@ void iwl3945_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	}
 
 	IWL_DEBUG_ASSOC(priv, "Associated as %d to: %pM\n",
-			vif->bss_conf.aid, priv->active_rxon.bssid_addr);
+			vif->bss_conf.aid, ctx->active.bssid_addr);
 
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
@@ -3091,34 +3107,34 @@ void iwl3945_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
 
 	conf = ieee80211_get_hw_conf(priv->hw);
 
-	priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-	iwlcore_commit_rxon(priv);
+	ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+	iwlcore_commit_rxon(priv, ctx);
 
-	rc = iwl_send_rxon_timing(priv, vif);
+	rc = iwl_send_rxon_timing(priv, ctx);
 	if (rc)
 		IWL_WARN(priv, "REPLY_RXON_TIMING failed - "
 			    "Attempting to continue.\n");
 
-	priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
+	ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
 
-	priv->staging_rxon.assoc_id = cpu_to_le16(vif->bss_conf.aid);
+	ctx->staging.assoc_id = cpu_to_le16(vif->bss_conf.aid);
 
 	IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n",
 			vif->bss_conf.aid, vif->bss_conf.beacon_int);
 
 	if (vif->bss_conf.use_short_preamble)
-		priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+		ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
 	else
-		priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+		ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
 
-	if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
+	if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) {
 		if (vif->bss_conf.use_short_slot)
-			priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
+			ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
 		else
-			priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
+			ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
 	}
 
-	iwlcore_commit_rxon(priv);
+	iwlcore_commit_rxon(priv, ctx);
 
 	switch (vif->type) {
 	case NL80211_IFTYPE_STATION:
@@ -3255,44 +3271,45 @@ static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 void iwl3945_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
 {
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	int rc = 0;
 
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
 
 	/* The following should be done only at AP bring up */
-	if (!(iwl_is_associated(priv))) {
+	if (!(iwl_is_associated(priv, IWL_RXON_CTX_BSS))) {
 
 		/* RXON - unassoc (to set timing command) */
-		priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-		iwlcore_commit_rxon(priv);
+		ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+		iwlcore_commit_rxon(priv, ctx);
 
 		/* RXON Timing */
-		rc = iwl_send_rxon_timing(priv, vif);
+		rc = iwl_send_rxon_timing(priv, ctx);
 		if (rc)
 			IWL_WARN(priv, "REPLY_RXON_TIMING failed - "
 					"Attempting to continue.\n");
 
-		priv->staging_rxon.assoc_id = 0;
+		ctx->staging.assoc_id = 0;
 
 		if (vif->bss_conf.use_short_preamble)
-			priv->staging_rxon.flags |=
+			ctx->staging.flags |=
 				RXON_FLG_SHORT_PREAMBLE_MSK;
 		else
-			priv->staging_rxon.flags &=
+			ctx->staging.flags &=
 				~RXON_FLG_SHORT_PREAMBLE_MSK;
 
-		if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
+		if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) {
 			if (vif->bss_conf.use_short_slot)
-				priv->staging_rxon.flags |=
+				ctx->staging.flags |=
 					RXON_FLG_SHORT_SLOT_MSK;
 			else
-				priv->staging_rxon.flags &=
+				ctx->staging.flags &=
 					~RXON_FLG_SHORT_SLOT_MSK;
 		}
 		/* restore RXON assoc */
-		priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
-		iwlcore_commit_rxon(priv);
+		ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
+		iwlcore_commit_rxon(priv, ctx);
 	}
 	iwl3945_send_beacon_cmd(priv);
 
@@ -3318,10 +3335,11 @@ static int iwl3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 		return -EOPNOTSUPP;
 	}
 
-	static_key = !iwl_is_associated(priv);
+	static_key = !iwl_is_associated(priv, IWL_RXON_CTX_BSS);
 
 	if (!static_key) {
-		sta_id = iwl_sta_id_or_broadcast(priv, sta);
+		sta_id = iwl_sta_id_or_broadcast(
+				priv, &priv->contexts[IWL_RXON_CTX_BSS], sta);
 		if (sta_id == IWL_INVALID_STATION)
 			return -EINVAL;
 	}
@@ -3372,8 +3390,8 @@ static int iwl3945_mac_sta_add(struct ieee80211_hw *hw,
 	sta_priv->common.sta_id = IWL_INVALID_STATION;
 
 
-	ret = iwl_add_station_common(priv, sta->addr, is_ap, &sta->ht_cap,
-				     &sta_id);
+	ret = iwl_add_station_common(priv, &priv->contexts[IWL_RXON_CTX_BSS],
+				     sta->addr, is_ap, sta, &sta_id);
 	if (ret) {
 		IWL_ERR(priv, "Unable to add station %pM (%d)\n",
 			sta->addr, ret);
@@ -3400,6 +3418,7 @@ static void iwl3945_configure_filter(struct ieee80211_hw *hw,
 {
 	struct iwl_priv *priv = hw->priv;
 	__le32 filter_or = 0, filter_nand = 0;
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 #define CHK(test, flag)	do { \
 	if (*total_flags & (test))		\
@@ -3419,8 +3438,8 @@ static void iwl3945_configure_filter(struct ieee80211_hw *hw,
 
 	mutex_lock(&priv->mutex);
 
-	priv->staging_rxon.filter_flags &= ~filter_nand;
-	priv->staging_rxon.filter_flags |= filter_or;
+	ctx->staging.filter_flags &= ~filter_nand;
+	ctx->staging.filter_flags |= filter_or;
 
 	/*
 	 * Committing directly here breaks for some reason,
@@ -3534,8 +3553,9 @@ static ssize_t show_flags(struct device *d,
 			  struct device_attribute *attr, char *buf)
 {
 	struct iwl_priv *priv = dev_get_drvdata(d);
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
-	return sprintf(buf, "0x%04X\n", priv->active_rxon.flags);
+	return sprintf(buf, "0x%04X\n", ctx->active.flags);
 }
 
 static ssize_t store_flags(struct device *d,
@@ -3544,17 +3564,18 @@ static ssize_t store_flags(struct device *d,
 {
 	struct iwl_priv *priv = dev_get_drvdata(d);
 	u32 flags = simple_strtoul(buf, NULL, 0);
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	mutex_lock(&priv->mutex);
-	if (le32_to_cpu(priv->staging_rxon.flags) != flags) {
+	if (le32_to_cpu(ctx->staging.flags) != flags) {
 		/* Cancel any currently running scans... */
 		if (iwl_scan_cancel_timeout(priv, 100))
 			IWL_WARN(priv, "Could not cancel scan.\n");
 		else {
 			IWL_DEBUG_INFO(priv, "Committing rxon.flags = 0x%04X\n",
 				       flags);
-			priv->staging_rxon.flags = cpu_to_le32(flags);
-			iwlcore_commit_rxon(priv);
+			ctx->staging.flags = cpu_to_le32(flags);
+			iwlcore_commit_rxon(priv, ctx);
 		}
 	}
 	mutex_unlock(&priv->mutex);
@@ -3568,9 +3589,10 @@ static ssize_t show_filter_flags(struct device *d,
 				 struct device_attribute *attr, char *buf)
 {
 	struct iwl_priv *priv = dev_get_drvdata(d);
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	return sprintf(buf, "0x%04X\n",
-		le32_to_cpu(priv->active_rxon.filter_flags));
+		le32_to_cpu(ctx->active.filter_flags));
 }
 
 static ssize_t store_filter_flags(struct device *d,
@@ -3578,19 +3600,20 @@ static ssize_t store_filter_flags(struct device *d,
 				  const char *buf, size_t count)
 {
 	struct iwl_priv *priv = dev_get_drvdata(d);
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	u32 filter_flags = simple_strtoul(buf, NULL, 0);
 
 	mutex_lock(&priv->mutex);
-	if (le32_to_cpu(priv->staging_rxon.filter_flags) != filter_flags) {
+	if (le32_to_cpu(ctx->staging.filter_flags) != filter_flags) {
 		/* Cancel any currently running scans... */
 		if (iwl_scan_cancel_timeout(priv, 100))
 			IWL_WARN(priv, "Could not cancel scan.\n");
 		else {
 			IWL_DEBUG_INFO(priv, "Committing rxon.filter_flags = "
 				       "0x%04X\n", filter_flags);
-			priv->staging_rxon.filter_flags =
+			ctx->staging.filter_flags =
 				cpu_to_le32(filter_flags);
-			iwlcore_commit_rxon(priv);
+			iwlcore_commit_rxon(priv, ctx);
 		}
 	}
 	mutex_unlock(&priv->mutex);
@@ -3638,8 +3661,9 @@ static ssize_t store_measurement(struct device *d,
 				 const char *buf, size_t count)
 {
 	struct iwl_priv *priv = dev_get_drvdata(d);
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	struct ieee80211_measurement_params params = {
-		.channel = le16_to_cpu(priv->active_rxon.channel),
+		.channel = le16_to_cpu(ctx->active.channel),
 		.start_time = cpu_to_le64(priv->_3945.last_tsf),
 		.duration = cpu_to_le16(1),
 	};
@@ -3811,8 +3835,6 @@ static void iwl3945_cancel_deferred_work(struct iwl_priv *priv)
 	cancel_delayed_work(&priv->alive_start);
 	cancel_work_sync(&priv->start_internal_scan);
 	cancel_work_sync(&priv->beacon_update);
-	if (priv->cfg->ops->lib->recover_from_tx_stall)
-		del_timer_sync(&priv->monitor_recover);
 }
 
 static struct attribute *iwl3945_sysfs_entries[] = {
@@ -3933,8 +3955,7 @@ static int iwl3945_setup_mac(struct iwl_priv *priv)
 			     IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
 
 	hw->wiphy->interface_modes =
-		BIT(NL80211_IFTYPE_STATION) |
-		BIT(NL80211_IFTYPE_ADHOC);
+		priv->contexts[IWL_RXON_CTX_BSS].interface_modes;
 
 	hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
 			    WIPHY_FLAG_DISABLE_BEACON_HINTS;
@@ -3966,7 +3987,7 @@ static int iwl3945_setup_mac(struct iwl_priv *priv)
 
 static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-	int err = 0;
+	int err = 0, i;
 	struct iwl_priv *priv;
 	struct ieee80211_hw *hw;
 	struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
@@ -3988,6 +4009,27 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	priv = hw->priv;
 	SET_IEEE80211_DEV(hw, &pdev->dev);
 
+	priv->cmd_queue = IWL39_CMD_QUEUE_NUM;
+
+	/* 3945 has only one valid context */
+	priv->valid_contexts = BIT(IWL_RXON_CTX_BSS);
+
+	for (i = 0; i < NUM_IWL_RXON_CTX; i++)
+		priv->contexts[i].ctxid = i;
+
+	priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON;
+	priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING;
+	priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC;
+	priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM;
+	priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID;
+	priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY;
+	priv->contexts[IWL_RXON_CTX_BSS].interface_modes =
+		BIT(NL80211_IFTYPE_STATION) |
+		BIT(NL80211_IFTYPE_ADHOC);
+	priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS;
+	priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS;
+	priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS;
+
 	/*
 	 * Disabling hardware scan means that mac80211 will perform scans
 	 * "the hard way", rather than using device's scan.
@@ -4123,7 +4165,8 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
 	}
 
 	iwl_set_rxon_channel(priv,
-			     &priv->bands[IEEE80211_BAND_2GHZ].channels[5]);
+			     &priv->bands[IEEE80211_BAND_2GHZ].channels[5],
+			     &priv->contexts[IWL_RXON_CTX_BSS]);
 	iwl3945_setup_deferred_work(priv);
 	iwl3945_setup_rx_handlers(priv);
 	iwl_power_initialize(priv);

drivers/net/wireless/mac80211_hwsim.c

@@ -601,6 +601,18 @@ static int mac80211_hwsim_add_interface(struct ieee80211_hw *hw,
 }
 
 
+static int mac80211_hwsim_change_interface(struct ieee80211_hw *hw,
+					   struct ieee80211_vif *vif,
+					   enum nl80211_iftype newtype)
+{
+	wiphy_debug(hw->wiphy,
+		    "%s (old type=%d, new type=%d, mac_addr=%pM)\n",
+		    __func__, vif->type, newtype, vif->addr);
+	hwsim_check_magic(vif);
+
+	return 0;
+}
+
 static void mac80211_hwsim_remove_interface(
 	struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
@@ -1027,6 +1039,7 @@ static struct ieee80211_ops mac80211_hwsim_ops =
 	.start = mac80211_hwsim_start,
 	.stop = mac80211_hwsim_stop,
 	.add_interface = mac80211_hwsim_add_interface,
+	.change_interface = mac80211_hwsim_change_interface,
 	.remove_interface = mac80211_hwsim_remove_interface,
 	.config = mac80211_hwsim_config,
 	.configure_filter = mac80211_hwsim_configure_filter,

drivers/net/wireless/orinoco/hw.c

@@ -762,14 +762,17 @@ int orinoco_hw_get_act_bitrate(struct orinoco_private *priv, int *bitrate)
 	case FIRMWARE_TYPE_INTERSIL: /* Intersil style rate */
 	case FIRMWARE_TYPE_SYMBOL: /* Symbol style rate */
 		for (i = 0; i < BITRATE_TABLE_SIZE; i++)
-			if (bitrate_table[i].intersil_txratectrl == val)
+			if (bitrate_table[i].intersil_txratectrl == val) {
+				*bitrate = bitrate_table[i].bitrate * 100000;
 				break;
+			}
 
-		if (i >= BITRATE_TABLE_SIZE)
+		if (i >= BITRATE_TABLE_SIZE) {
 			printk(KERN_INFO "%s: Unable to determine current bitrate (0x%04hx)\n",
 			       priv->ndev->name, val);
+			err = -EIO;
+		}
 
-		*bitrate = bitrate_table[i].bitrate * 100000;
 		break;
 	default:
 		BUG();

drivers/net/wireless/orinoco/wext.c

@@ -589,8 +589,15 @@ static int orinoco_ioctl_getrate(struct net_device *dev,
 
 	/* If the interface is running we try to find more about the
 	   current mode */
-	if (netif_running(dev))
-		err = orinoco_hw_get_act_bitrate(priv, &bitrate);
+	if (netif_running(dev)) {
+		int act_bitrate;
+		int lerr;
+
+		/* Ignore errors if we can't get the actual bitrate */
+		lerr = orinoco_hw_get_act_bitrate(priv, &act_bitrate);
+		if (!lerr)
+			bitrate = act_bitrate;
+	}
 
 	orinoco_unlock(priv, &flags);
 

drivers/net/wireless/p54/Kconfig

@@ -49,6 +49,23 @@ config P54_SPI
 
 	  If you choose to build a module, it'll be called p54spi.
 
+config P54_SPI_DEFAULT_EEPROM
+	bool "Include fallback EEPROM blob"
+	depends on P54_SPI
+	default n
+	---help---
+	 Unlike the PCI or USB devices, the SPI variants don't have
+	 a dedicated EEPROM chip to store all device specific values
+	 for calibration, country and interface settings.
+
+	 The driver will try to load the image "3826.eeprom", if the
+	 file is put at the right place. (usually /lib/firmware.)
+
+	 Only if this request fails, this option will provide a
+	 backup set of generic values to get the device working.
+
+	 Enabling this option adds about 4k to p54spi.
+
 config P54_LEDS
 	bool
 	depends on P54_COMMON && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = P54_COMMON)

drivers/net/wireless/p54/p54spi.c

@@ -32,11 +32,14 @@
 #include <linux/slab.h>
 
 #include "p54spi.h"
-#include "p54spi_eeprom.h"
 #include "p54.h"
 
 #include "lmac.h"
 
+#ifdef CONFIG_P54_SPI_DEFAULT_EEPROM
+#include "p54spi_eeprom.h"
+#endif /* CONFIG_P54_SPI_DEFAULT_EEPROM */
+
 MODULE_FIRMWARE("3826.arm");
 MODULE_ALIAS("stlc45xx");
 
@@ -195,9 +198,11 @@ static int p54spi_request_eeprom(struct ieee80211_hw *dev)
 
 	ret = request_firmware(&eeprom, "3826.eeprom", &priv->spi->dev);
 	if (ret < 0) {
+#ifdef CONFIG_P54_SPI_DEFAULT_EEPROM
 		dev_info(&priv->spi->dev, "loading default eeprom...\n");
 		ret = p54_parse_eeprom(dev, (void *) p54spi_eeprom,
 				       sizeof(p54spi_eeprom));
+#endif /* CONFIG_P54_SPI_DEFAULT_EEPROM */
 	} else {
 		dev_info(&priv->spi->dev, "loading user eeprom...\n");
 		ret = p54_parse_eeprom(dev, (void *) eeprom->data,

drivers/net/wireless/p54/p54usb.c

@@ -930,8 +930,8 @@ static int __devinit p54u_probe(struct usb_interface *intf,
 #ifdef CONFIG_PM
 		/* ISL3887 needs a full reset on resume */
 		udev->reset_resume = 1;
+#endif /* CONFIG_PM */
 		err = p54u_device_reset(dev);
-#endif
 
 		priv->hw_type = P54U_3887;
 		dev->extra_tx_headroom += sizeof(struct lm87_tx_hdr);

drivers/net/wireless/p54/txrx.c

@@ -275,15 +275,15 @@ static int p54_rssi_to_dbm(struct p54_common *priv, int rssi)
 {
 	int band = priv->hw->conf.channel->band;
 
-	if (priv->rxhw != 5)
+	if (priv->rxhw != 5) {
 		return ((rssi * priv->rssical_db[band].mul) / 64 +
 			 priv->rssical_db[band].add) / 4;
-	else
+	} else {
 		/*
 		 * TODO: find the correct formula
 		 */
-		return ((rssi * priv->rssical_db[band].mul) / 64 +
-			 priv->rssical_db[band].add) / 4;
+		return rssi / 2 - 110;
+	}
 }
 
 /*

drivers/net/wireless/rt2x00/rt2400pci.c

@@ -1007,12 +1007,11 @@ static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev,
 /*
  * TX descriptor initialization
  */
-static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				    struct sk_buff *skb,
+static void rt2400pci_write_tx_desc(struct queue_entry *entry,
 				    struct txentry_desc *txdesc)
 {
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-	struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 	__le32 *txd = entry_priv->desc;
 	u32 word;
 
@@ -1096,7 +1095,7 @@ static void rt2400pci_write_beacon(struct queue_entry *entry,
 	/*
 	 * Write the TX descriptor for the beacon.
 	 */
-	rt2400pci_write_tx_desc(rt2x00dev, entry->skb, txdesc);
+	rt2400pci_write_tx_desc(entry, txdesc);
 
 	/*
 	 * Dump beacon to userspace through debugfs.
@@ -1112,24 +1111,24 @@ static void rt2400pci_write_beacon(struct queue_entry *entry,
 	rt2x00pci_register_write(rt2x00dev, CSR14, reg);
 }
 
-static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
-				    const enum data_queue_qid queue)
+static void rt2400pci_kick_tx_queue(struct data_queue *queue)
 {
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 	u32 reg;
 
 	rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
-	rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, (queue == QID_AC_BE));
-	rt2x00_set_field32(&reg, TXCSR0_KICK_TX, (queue == QID_AC_BK));
-	rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, (queue == QID_ATIM));
+	rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, (queue->qid == QID_AC_BE));
+	rt2x00_set_field32(&reg, TXCSR0_KICK_TX, (queue->qid == QID_AC_BK));
+	rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, (queue->qid == QID_ATIM));
 	rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
 }
 
-static void rt2400pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
-				    const enum data_queue_qid qid)
+static void rt2400pci_kill_tx_queue(struct data_queue *queue)
 {
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 	u32 reg;
 
-	if (qid == QID_BEACON) {
+	if (queue->qid == QID_BEACON) {
 		rt2x00pci_register_write(rt2x00dev, CSR14, 0);
 	} else {
 		rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
@@ -1488,8 +1487,10 @@ static int rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	spec->channels_info = info;
 
 	tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
-	for (i = 0; i < 14; i++)
-		info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+	for (i = 0; i < 14; i++) {
+		info[i].max_power = TXPOWER_FROM_DEV(MAX_TXPOWER);
+		info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+	}
 
 	return 0;
 }

drivers/net/wireless/rt2x00/rt2500pci.c

@@ -1161,12 +1161,11 @@ static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev,
 /*
  * TX descriptor initialization
  */
-static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				    struct sk_buff *skb,
+static void rt2500pci_write_tx_desc(struct queue_entry *entry,
 				    struct txentry_desc *txdesc)
 {
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-	struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 	__le32 *txd = entry_priv->desc;
 	u32 word;
 
@@ -1249,7 +1248,7 @@ static void rt2500pci_write_beacon(struct queue_entry *entry,
 	/*
 	 * Write the TX descriptor for the beacon.
 	 */
-	rt2500pci_write_tx_desc(rt2x00dev, entry->skb, txdesc);
+	rt2500pci_write_tx_desc(entry, txdesc);
 
 	/*
 	 * Dump beacon to userspace through debugfs.
@@ -1265,24 +1264,24 @@ static void rt2500pci_write_beacon(struct queue_entry *entry,
 	rt2x00pci_register_write(rt2x00dev, CSR14, reg);
 }
 
-static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
-				    const enum data_queue_qid queue)
+static void rt2500pci_kick_tx_queue(struct data_queue *queue)
 {
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 	u32 reg;
 
 	rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
-	rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, (queue == QID_AC_BE));
-	rt2x00_set_field32(&reg, TXCSR0_KICK_TX, (queue == QID_AC_BK));
-	rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, (queue == QID_ATIM));
+	rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, (queue->qid == QID_AC_BE));
+	rt2x00_set_field32(&reg, TXCSR0_KICK_TX, (queue->qid == QID_AC_BK));
+	rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, (queue->qid == QID_ATIM));
 	rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
 }
 
-static void rt2500pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
-				    const enum data_queue_qid qid)
+static void rt2500pci_kill_tx_queue(struct data_queue *queue)
 {
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 	u32 reg;
 
-	if (qid == QID_BEACON) {
+	if (queue->qid == QID_BEACON) {
 		rt2x00pci_register_write(rt2x00dev, CSR14, 0);
 	} else {
 		rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
@@ -1802,12 +1801,16 @@ static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	spec->channels_info = info;
 
 	tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
-	for (i = 0; i < 14; i++)
-		info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+	for (i = 0; i < 14; i++) {
+		info[i].max_power = MAX_TXPOWER;
+		info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+	}
 
 	if (spec->num_channels > 14) {
-		for (i = 14; i < spec->num_channels; i++)
-			info[i].tx_power1 = DEFAULT_TXPOWER;
+		for (i = 14; i < spec->num_channels; i++) {
+			info[i].max_power = MAX_TXPOWER;
+			info[i].default_power1 = DEFAULT_TXPOWER;
+		}
 	}
 
 	return 0;

drivers/net/wireless/rt2x00/rt2500usb.c

@@ -1041,12 +1041,11 @@ static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 /*
  * TX descriptor initialization
  */
-static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				    struct sk_buff *skb,
+static void rt2500usb_write_tx_desc(struct queue_entry *entry,
 				    struct txentry_desc *txdesc)
 {
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-	__le32 *txd = (__le32 *) skb->data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	__le32 *txd = (__le32 *) entry->skb->data;
 	u32 word;
 
 	/*
@@ -1129,7 +1128,7 @@ static void rt2500usb_write_beacon(struct queue_entry *entry,
 	/*
 	 * Write the TX descriptor for the beacon.
 	 */
-	rt2500usb_write_tx_desc(rt2x00dev, entry->skb, txdesc);
+	rt2500usb_write_tx_desc(entry, txdesc);
 
 	/*
 	 * Dump beacon to userspace through debugfs.
@@ -1197,6 +1196,14 @@ static int rt2500usb_get_tx_data_len(struct queue_entry *entry)
 	return length;
 }
 
+static void rt2500usb_kill_tx_queue(struct data_queue *queue)
+{
+	if (queue->qid == QID_BEACON)
+		rt2500usb_register_write(queue->rt2x00dev, TXRX_CSR19, 0);
+
+	rt2x00usb_kill_tx_queue(queue);
+}
+
 /*
  * RX control handlers
  */
@@ -1707,12 +1714,16 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	spec->channels_info = info;
 
 	tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START);
-	for (i = 0; i < 14; i++)
-		info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+	for (i = 0; i < 14; i++) {
+		info[i].max_power = MAX_TXPOWER;
+		info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+	}
 
 	if (spec->num_channels > 14) {
-		for (i = 14; i < spec->num_channels; i++)
-			info[i].tx_power1 = DEFAULT_TXPOWER;
+		for (i = 14; i < spec->num_channels; i++) {
+			info[i].max_power = MAX_TXPOWER;
+			info[i].default_power1 = DEFAULT_TXPOWER;
+		}
 	}
 
 	return 0;
@@ -1791,7 +1802,7 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
 	.write_beacon		= rt2500usb_write_beacon,
 	.get_tx_data_len	= rt2500usb_get_tx_data_len,
 	.kick_tx_queue		= rt2x00usb_kick_tx_queue,
-	.kill_tx_queue		= rt2x00usb_kill_tx_queue,
+	.kill_tx_queue		= rt2500usb_kill_tx_queue,
 	.fill_rxdone		= rt2500usb_fill_rxdone,
 	.config_shared_key	= rt2500usb_config_key,
 	.config_pairwise_key	= rt2500usb_config_key,

drivers/net/wireless/rt2x00/rt2800.h

@@ -1858,6 +1858,13 @@ struct mac_iveiv_entry {
 #define EEPROM_RSSI_A2_OFFSET2		FIELD16(0x00ff)
 #define EEPROM_RSSI_A2_LNA_A2		FIELD16(0xff00)
 
+/*
+ * EEPROM Maximum TX power values
+ */
+#define EEPROM_MAX_TX_POWER		0x0027
+#define EEPROM_MAX_TX_POWER_24GHZ	FIELD16(0x00ff)
+#define EEPROM_MAX_TX_POWER_5GHZ	FIELD16(0xff00)
+
 /*
  * EEPROM TXpower delta: 20MHZ AND 40 MHZ use different power.
  *	This is delta in 40MHZ.
@@ -1946,6 +1953,8 @@ struct mac_iveiv_entry {
  * TX_OP: 0:HT TXOP rule , 1:PIFS TX ,2:Backoff, 3:sifs
  * BW: Channel bandwidth 20MHz or 40 MHz
  * STBC: 1: STBC support MCS =0-7, 2,3 : RESERVED
+ * AMPDU: 1: this frame is eligible for AMPDU aggregation, the hw will
+ *        aggregate consecutive frames with the same RA and QoS TID.
  */
 #define TXWI_W0_FRAG			FIELD32(0x00000001)
 #define TXWI_W0_MIMO_PS			FIELD32(0x00000002)
@@ -1969,7 +1978,9 @@ struct mac_iveiv_entry {
  * WIRELESS_CLI_ID: Client ID for WCID table access
  * MPDU_TOTAL_BYTE_COUNT: Length of 802.11 frame
  * PACKETID: Will be latched into the TX_STA_FIFO register once the according
- *           frame was processed. 0: Don't report tx status for this frame.
+ *           frame was processed. If multiple frames are aggregated together
+ *           (AMPDU==1) the reported tx status will always contain the packet
+ *           id of the first frame. 0: Don't report tx status for this frame.
  */
 #define TXWI_W1_ACK			FIELD32(0x00000001)
 #define TXWI_W1_NSEQ			FIELD32(0x00000002)

drivers/net/wireless/rt2x00/rt2800lib.c

@@ -255,6 +255,23 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
 }
 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
 
+int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i = 0;
+	u32 reg;
+
+	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
+		if (reg && reg != ~0)
+			return 0;
+		msleep(1);
+	}
+
+	ERROR(rt2x00dev, "Unstable hardware.\n");
+	return -EBUSY;
+}
+EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
+
 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
 {
 	unsigned int i;
@@ -368,19 +385,16 @@ int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
 	u32 reg;
 
 	/*
-	 * Wait for stable hardware.
+	 * If driver doesn't wake up firmware here,
+	 * rt2800_load_firmware will hang forever when interface is up again.
 	 */
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
-		if (reg && reg != ~0)
-			break;
-		msleep(1);
-	}
+	rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
 
-	if (i == REGISTER_BUSY_COUNT) {
-		ERROR(rt2x00dev, "Unstable hardware.\n");
+	/*
+	 * Wait for stable hardware.
+	 */
+	if (rt2800_wait_csr_ready(rt2x00dev))
 		return -EBUSY;
-	}
 
 	if (rt2x00_is_pci(rt2x00dev))
 		rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
@@ -469,7 +483,7 @@ void rt2800_write_tx_data(struct queue_entry *entry,
 			   txdesc->key_idx : 0xff);
 	rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
 			   txdesc->length);
-	rt2x00_set_field32(&word, TXWI_W1_PACKETID, txdesc->queue + 1);
+	rt2x00_set_field32(&word, TXWI_W1_PACKETID, txdesc->qid + 1);
 	rt2x00_desc_write(txwi, 1, word);
 
 	/*
@@ -573,6 +587,49 @@ void rt2800_process_rxwi(struct queue_entry *entry,
 }
 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
 
+static bool rt2800_txdone_entry_check(struct queue_entry *entry, u32 reg)
+{
+	__le32 *txwi;
+	u32 word;
+	int wcid, ack, pid;
+	int tx_wcid, tx_ack, tx_pid;
+
+	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
+	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
+	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
+
+	/*
+	 * This frames has returned with an IO error,
+	 * so the status report is not intended for this
+	 * frame.
+	 */
+	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) {
+		rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
+		return false;
+	}
+
+	/*
+	 * Validate if this TX status report is intended for
+	 * this entry by comparing the WCID/ACK/PID fields.
+	 */
+	txwi = rt2800_drv_get_txwi(entry);
+
+	rt2x00_desc_read(txwi, 1, &word);
+	tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
+	tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
+	tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
+
+	if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) {
+		WARNING(entry->queue->rt2x00dev,
+			"TX status report missed for queue %d entry %d\n",
+		entry->queue->qid, entry->entry_idx);
+		rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
+		return false;
+	}
+
+	return true;
+}
+
 void rt2800_txdone(struct rt2x00_dev *rt2x00dev)
 {
 	struct data_queue *queue;
@@ -581,8 +638,8 @@ void rt2800_txdone(struct rt2x00_dev *rt2x00dev)
 	struct txdone_entry_desc txdesc;
 	u32 word;
 	u32 reg;
-	int wcid, ack, pid, tx_wcid, tx_ack, tx_pid;
 	u16 mcs, real_mcs;
+	u8 pid;
 	int i;
 
 	/*
@@ -599,18 +656,15 @@ void rt2800_txdone(struct rt2x00_dev *rt2x00dev)
 		if (!rt2x00_get_field32(reg, TX_STA_FIFO_VALID))
 			break;
 
-		wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
-		ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
-		pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
-
 		/*
 		 * Skip this entry when it contains an invalid
 		 * queue identication number.
 		 */
-		if (pid <= 0 || pid > QID_RX)
+		pid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE) - 1;
+		if (pid >= QID_RX)
 			continue;
 
-		queue = rt2x00queue_get_queue(rt2x00dev, pid - 1);
+		queue = rt2x00queue_get_queue(rt2x00dev, pid);
 		if (unlikely(!queue))
 			continue;
 
@@ -619,38 +673,24 @@ void rt2800_txdone(struct rt2x00_dev *rt2x00dev)
 		 * order. We first check that the queue is not empty.
 		 */
 		entry = NULL;
+		txwi = NULL;
 		while (!rt2x00queue_empty(queue)) {
 			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
-			if (!test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
+			if (rt2800_txdone_entry_check(entry, reg))
 				break;
-
-			rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 		}
 
 		if (!entry || rt2x00queue_empty(queue))
 			break;
 
-		/*
-		 * Check if we got a match by looking at WCID/ACK/PID
-		 * fields
-		 */
-		txwi = rt2800_drv_get_txwi(entry);
-
-		rt2x00_desc_read(txwi, 1, &word);
-		tx_wcid	= rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
-		tx_ack	= rt2x00_get_field32(word, TXWI_W1_ACK);
-		tx_pid	= rt2x00_get_field32(word, TXWI_W1_PACKETID);
-
-		if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid))
-			WARNING(rt2x00dev, "invalid TX_STA_FIFO content");
 
 		/*
 		 * Obtain the status about this packet.
 		 */
 		txdesc.flags = 0;
+		txwi = rt2800_drv_get_txwi(entry);
 		rt2x00_desc_read(txwi, 0, &word);
 		mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
-		mcs = rt2x00_get_field32(reg, TX_STA_FIFO_MCS);
 		real_mcs = rt2x00_get_field32(reg, TX_STA_FIFO_MCS);
 
 		/*
@@ -1095,19 +1135,23 @@ void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
 	}
 
 	if (flags & CONFIG_UPDATE_MAC) {
-		reg = le32_to_cpu(conf->mac[1]);
-		rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
-		conf->mac[1] = cpu_to_le32(reg);
+		if (!is_zero_ether_addr((const u8 *)conf->mac)) {
+			reg = le32_to_cpu(conf->mac[1]);
+			rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
+			conf->mac[1] = cpu_to_le32(reg);
+		}
 
 		rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
 					      conf->mac, sizeof(conf->mac));
 	}
 
 	if (flags & CONFIG_UPDATE_BSSID) {
-		reg = le32_to_cpu(conf->bssid[1]);
-		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
-		rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 7);
-		conf->bssid[1] = cpu_to_le32(reg);
+		if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
+			reg = le32_to_cpu(conf->bssid[1]);
+			rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
+			rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 7);
+			conf->bssid[1] = cpu_to_le32(reg);
+		}
 
 		rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
 					      conf->bssid, sizeof(conf->bssid));
@@ -1240,27 +1284,23 @@ static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
 		 * double meaning, and we should set a 7DBm boost flag.
 		 */
 		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
-				   (info->tx_power1 >= 0));
+				   (info->default_power1 >= 0));
 
-		if (info->tx_power1 < 0)
-			info->tx_power1 += 7;
+		if (info->default_power1 < 0)
+			info->default_power1 += 7;
 
-		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A,
-				   TXPOWER_A_TO_DEV(info->tx_power1));
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
 
 		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
-				   (info->tx_power2 >= 0));
+				   (info->default_power2 >= 0));
 
-		if (info->tx_power2 < 0)
-			info->tx_power2 += 7;
+		if (info->default_power2 < 0)
+			info->default_power2 += 7;
 
-		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A,
-				   TXPOWER_A_TO_DEV(info->tx_power2));
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
 	} else {
-		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G,
-				   TXPOWER_G_TO_DEV(info->tx_power1));
-		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G,
-				   TXPOWER_G_TO_DEV(info->tx_power2));
+		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
+		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
 	}
 
 	rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
@@ -1300,13 +1340,11 @@ static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
 	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
 
 	rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
-			  TXPOWER_G_TO_DEV(info->tx_power1));
+	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
 	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
 
 	rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
-	rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
-			  TXPOWER_G_TO_DEV(info->tx_power2));
+	rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
 	rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
 
 	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
@@ -1330,10 +1368,19 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	unsigned int tx_pin;
 	u8 bbp;
 
+	if (rf->channel <= 14) {
+		info->default_power1 = TXPOWER_G_TO_DEV(info->default_power1);
+		info->default_power2 = TXPOWER_G_TO_DEV(info->default_power2);
+	} else {
+		info->default_power1 = TXPOWER_A_TO_DEV(info->default_power1);
+		info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2);
+	}
+
 	if (rt2x00_rf(rt2x00dev, RF2020) ||
 	    rt2x00_rf(rt2x00dev, RF3020) ||
 	    rt2x00_rf(rt2x00dev, RF3021) ||
-	    rt2x00_rf(rt2x00dev, RF3022))
+	    rt2x00_rf(rt2x00dev, RF3022) ||
+	    rt2x00_rf(rt2x00dev, RF3052))
 		rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
 	else
 		rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
@@ -1656,7 +1703,7 @@ EXPORT_SYMBOL_GPL(rt2800_link_tuner);
 /*
  * Initialization functions.
  */
-int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
+static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
 	u16 eeprom;
@@ -2026,7 +2073,6 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(rt2800_init_registers);
 
 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
 {
@@ -2069,7 +2115,7 @@ static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 	return -EACCES;
 }
 
-int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
+static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
 {
 	unsigned int i;
 	u16 eeprom;
@@ -2164,7 +2210,6 @@ int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(rt2800_init_bbp);
 
 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 				bool bw40, u8 rfcsr24, u8 filter_target)
@@ -2226,7 +2271,7 @@ static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev,
 	return rfcsr24;
 }
 
-int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
+static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 {
 	u8 rfcsr;
 	u8 bbp;
@@ -2480,7 +2525,100 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(rt2800_init_rfcsr);
+
+int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+	u16 word;
+
+	/*
+	 * Initialize all registers.
+	 */
+	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
+		     rt2800_init_registers(rt2x00dev) ||
+		     rt2800_init_bbp(rt2x00dev) ||
+		     rt2800_init_rfcsr(rt2x00dev)))
+		return -EIO;
+
+	/*
+	 * Send signal to firmware during boot time.
+	 */
+	rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
+
+	if (rt2x00_is_usb(rt2x00dev) &&
+	    (rt2x00_rt(rt2x00dev, RT3070) ||
+	     rt2x00_rt(rt2x00dev, RT3071) ||
+	     rt2x00_rt(rt2x00dev, RT3572))) {
+		udelay(200);
+		rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
+		udelay(10);
+	}
+
+	/*
+	 * Enable RX.
+	 */
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+
+	udelay(50);
+
+	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
+	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+
+	/*
+	 * Initialize LED control
+	 */
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
+	rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
+			   word & 0xff, (word >> 8) & 0xff);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
+	rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
+			   word & 0xff, (word >> 8) & 0xff);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
+	rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
+			   word & 0xff, (word >> 8) & 0xff);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_enable_radio);
+
+void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+
+	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
+	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
+	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
+
+	/* Wait for DMA, ignore error */
+	rt2800_wait_wpdma_ready(rt2x00dev);
+
+	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
+	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
+	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
+
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
+	rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
+}
+EXPORT_SYMBOL_GPL(rt2800_disable_radio);
 
 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
 {
@@ -2636,6 +2774,13 @@ int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 				   default_lna_gain);
 	rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
 
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_MAX_TX_POWER, &word);
+	if (rt2x00_get_field16(word, EEPROM_MAX_TX_POWER_24GHZ) == 0xff)
+		rt2x00_set_field16(&word, EEPROM_MAX_TX_POWER_24GHZ, MAX_G_TXPOWER);
+	if (rt2x00_get_field16(word, EEPROM_MAX_TX_POWER_5GHZ) == 0xff)
+		rt2x00_set_field16(&word, EEPROM_MAX_TX_POWER_5GHZ, MAX_A_TXPOWER);
+	rt2x00_eeprom_write(rt2x00dev, EEPROM_MAX_TX_POWER, word);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(rt2800_validate_eeprom);
@@ -2875,9 +3020,10 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 {
 	struct hw_mode_spec *spec = &rt2x00dev->spec;
 	struct channel_info *info;
-	char *tx_power1;
-	char *tx_power2;
+	char *default_power1;
+	char *default_power2;
 	unsigned int i;
+	unsigned short max_power;
 	u16 eeprom;
 
 	/*
@@ -2991,21 +3137,26 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 
 	spec->channels_info = info;
 
-	tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
-	tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_MAX_TX_POWER, &eeprom);
+	max_power = rt2x00_get_field16(eeprom, EEPROM_MAX_TX_POWER_24GHZ);
+	default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
+	default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
 
 	for (i = 0; i < 14; i++) {
-		info[i].tx_power1 = TXPOWER_G_FROM_DEV(tx_power1[i]);
-		info[i].tx_power2 = TXPOWER_G_FROM_DEV(tx_power2[i]);
+		info[i].max_power = max_power;
+		info[i].default_power1 = TXPOWER_G_FROM_DEV(default_power1[i]);
+		info[i].default_power2 = TXPOWER_G_FROM_DEV(default_power2[i]);
 	}
 
 	if (spec->num_channels > 14) {
-		tx_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
-		tx_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
+		max_power = rt2x00_get_field16(eeprom, EEPROM_MAX_TX_POWER_5GHZ);
+		default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
+		default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
 
 		for (i = 14; i < spec->num_channels; i++) {
-			info[i].tx_power1 = TXPOWER_A_FROM_DEV(tx_power1[i]);
-			info[i].tx_power2 = TXPOWER_A_FROM_DEV(tx_power2[i]);
+			info[i].max_power = max_power;
+			info[i].default_power1 = TXPOWER_A_FROM_DEV(default_power1[i]);
+			info[i].default_power2 = TXPOWER_A_FROM_DEV(default_power2[i]);
 		}
 	}
 

drivers/net/wireless/rt2x00/rt2800lib.h

@@ -140,6 +140,9 @@ void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
 			const u8 command, const u8 token,
 			const u8 arg0, const u8 arg1);
 
+int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev);
+int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev);
+
 int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
 			  const u8 *data, const size_t len);
 int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
@@ -176,10 +179,8 @@ void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual);
 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
 		       const u32 count);
 
-int rt2800_init_registers(struct rt2x00_dev *rt2x00dev);
-int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev);
-int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev);
-int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev);
+int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev);
+void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev);
 
 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev);
 void rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev);

drivers/net/wireless/rt2x00/rt2800pci.c

@@ -196,8 +196,6 @@ static int rt2800pci_write_firmware(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
-
 	/*
 	 * enable Host program ram write selection
 	 */
@@ -399,78 +397,18 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 
 static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
 {
-	u32 reg;
-	u16 word;
-
-	/*
-	 * Initialize all registers.
-	 */
 	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
-		     rt2800pci_init_queues(rt2x00dev) ||
-		     rt2800_init_registers(rt2x00dev) ||
-		     rt2800_wait_wpdma_ready(rt2x00dev) ||
-		     rt2800_init_bbp(rt2x00dev) ||
-		     rt2800_init_rfcsr(rt2x00dev)))
+		     rt2800pci_init_queues(rt2x00dev)))
 		return -EIO;
 
-	/*
-	 * Send signal to firmware during boot time.
-	 */
-	rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
-
-	/*
-	 * Enable RX.
-	 */
-	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-
-	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
-	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
-
-	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-
-	/*
-	 * Initialize LED control
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
-	rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
-			      word & 0xff, (word >> 8) & 0xff);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
-	rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
-			      word & 0xff, (word >> 8) & 0xff);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
-	rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
-			      word & 0xff, (word >> 8) & 0xff);
-
-	return 0;
+	return rt2800_enable_radio(rt2x00dev);
 }
 
 static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
 
-	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
-	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
-	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
-	rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
+	rt2800_disable_radio(rt2x00dev);
 
 	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280);
 
@@ -486,9 +424,6 @@ static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
 
 	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
 	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
-
-	/* Wait for DMA, ignore error */
-	rt2800_wait_wpdma_ready(rt2x00dev);
 }
 
 static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
@@ -571,12 +506,11 @@ static __le32 *rt2800pci_get_txwi(struct queue_entry *entry)
 	return (__le32 *) entry->skb->data;
 }
 
-static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				    struct sk_buff *skb,
+static void rt2800pci_write_tx_desc(struct queue_entry *entry,
 				    struct txentry_desc *txdesc)
 {
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-	struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 	__le32 *txd = entry_priv->desc;
 	u32 word;
 
@@ -596,7 +530,7 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_desc_write(txd, 0, word);
 
 	rt2x00_desc_read(txd, 1, &word);
-	rt2x00_set_field32(&word, TXD_W1_SD_LEN1, skb->len);
+	rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len);
 	rt2x00_set_field32(&word, TXD_W1_LAST_SEC1,
 			   !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W1_BURST,
@@ -627,41 +561,35 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 /*
  * TX data initialization
  */
-static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
-				    const enum data_queue_qid queue_idx)
+static void rt2800pci_kick_tx_queue(struct data_queue *queue)
 {
-	struct data_queue *queue;
-	unsigned int idx, qidx = 0;
-
-	if (queue_idx > QID_HCCA && queue_idx != QID_MGMT)
-		return;
-
-	queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
-	idx = queue->index[Q_INDEX];
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
+	struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX);
+	unsigned int qidx = 0;
 
-	if (queue_idx == QID_MGMT)
+	if (queue->qid == QID_MGMT)
 		qidx = 5;
 	else
-		qidx = queue_idx;
+		qidx = queue->qid;
 
-	rt2800_register_write(rt2x00dev, TX_CTX_IDX(qidx), idx);
+	rt2800_register_write(rt2x00dev, TX_CTX_IDX(qidx), entry->entry_idx);
 }
 
-static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
-				    const enum data_queue_qid qid)
+static void rt2800pci_kill_tx_queue(struct data_queue *queue)
 {
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 	u32 reg;
 
-	if (qid == QID_BEACON) {
+	if (queue->qid == QID_BEACON) {
 		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0);
 		return;
 	}
 
 	rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE));
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, (qid == QID_AC_BK));
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, (qid == QID_AC_VI));
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, (qid == QID_AC_VO));
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, (queue->qid == QID_AC_BE));
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, (queue->qid == QID_AC_BK));
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, (queue->qid == QID_AC_VI));
+	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, (queue->qid == QID_AC_VO));
 	rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
 }
 

drivers/net/wireless/rt2x00/rt2800usb.c

@@ -101,19 +101,6 @@ static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev,
 	msleep(10);
 	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
 
-	/*
-	 * Send signal to firmware during boot time.
-	 */
-	rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
-
-	if (rt2x00_rt(rt2x00dev, RT3070) ||
-	    rt2x00_rt(rt2x00dev, RT3071) ||
-	    rt2x00_rt(rt2x00dev, RT3572)) {
-		udelay(200);
-		rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
-		udelay(10);
-	}
-
 	return 0;
 }
 
@@ -135,26 +122,18 @@ static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
-	int i;
 
 	/*
 	 * Wait until BBP and RF are ready.
 	 */
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
-		if (reg && reg != ~0)
-			break;
-		msleep(1);
-	}
-
-	if (i == REGISTER_BUSY_COUNT) {
-		ERROR(rt2x00dev, "Unstable hardware.\n");
+	if (rt2800_wait_csr_ready(rt2x00dev))
 		return -EBUSY;
-	}
 
 	rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
 	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
 
+	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
+
 	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_CSR, 1);
 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_RESET_BBP, 1);
@@ -173,30 +152,10 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 {
 	u32 reg;
-	u16 word;
 
-	/*
-	 * Initialize all registers.
-	 */
-	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
-		     rt2800_init_registers(rt2x00dev) ||
-		     rt2800_init_bbp(rt2x00dev) ||
-		     rt2800_init_rfcsr(rt2x00dev)))
+	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev)))
 		return -EIO;
 
-	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-
-	udelay(50);
-
-	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
-	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
-
-
 	rt2800_register_read(rt2x00dev, USB_DMA_CFG, &reg);
 	rt2x00_set_field32(&reg, USB_DMA_CFG_PHY_CLEAR, 0);
 	rt2x00_set_field32(&reg, USB_DMA_CFG_RX_BULK_AGG_EN, 0);
@@ -211,45 +170,12 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, USB_DMA_CFG_TX_BULK_EN, 1);
 	rt2800_register_write(rt2x00dev, USB_DMA_CFG, reg);
 
-	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
-	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
-
-	/*
-	 * Initialize LED control
-	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED1, &word);
-	rt2800_mcu_request(rt2x00dev, MCU_LED_1, 0xff,
-			      word & 0xff, (word >> 8) & 0xff);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED2, &word);
-	rt2800_mcu_request(rt2x00dev, MCU_LED_2, 0xff,
-			      word & 0xff, (word >> 8) & 0xff);
-
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_LED3, &word);
-	rt2800_mcu_request(rt2x00dev, MCU_LED_3, 0xff,
-			      word & 0xff, (word >> 8) & 0xff);
-
-	return 0;
+	return rt2800_enable_radio(rt2x00dev);
 }
 
 static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
-	u32 reg;
-
-	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
-	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
-	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
-
-	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
-	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
-	rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
-
-	/* Wait for DMA, ignore error */
-	rt2800_wait_wpdma_ready(rt2x00dev);
-
+	rt2800_disable_radio(rt2x00dev);
 	rt2x00usb_disable_radio(rt2x00dev);
 }
 
@@ -329,12 +255,11 @@ static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
 		return (__le32 *) (entry->skb->data + TXINFO_DESC_SIZE);
 }
 
-static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				    struct sk_buff *skb,
+static void rt2800usb_write_tx_desc(struct queue_entry *entry,
 				    struct txentry_desc *txdesc)
 {
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-	__le32 *txi = (__le32 *) skb->data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	__le32 *txi = (__le32 *) entry->skb->data;
 	u32 word;
 
 	/*
@@ -342,7 +267,7 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	 */
 	rt2x00_desc_read(txi, 0, &word);
 	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
-			   skb->len - TXINFO_DESC_SIZE);
+			   entry->skb->len - TXINFO_DESC_SIZE);
 	rt2x00_set_field32(&word, TXINFO_W0_WIV,
 			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 	rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
@@ -410,6 +335,14 @@ static void rt2800usb_work_txdone(struct work_struct *work)
 	}
 }
 
+static void rt2800usb_kill_tx_queue(struct data_queue *queue)
+{
+	if (queue->qid == QID_BEACON)
+		rt2x00usb_register_write(queue->rt2x00dev, BCN_TIME_CFG, 0);
+
+	rt2x00usb_kill_tx_queue(queue);
+}
+
 /*
  * RX control handlers
  */
@@ -608,7 +541,7 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
 	.write_beacon		= rt2800_write_beacon,
 	.get_tx_data_len	= rt2800usb_get_tx_data_len,
 	.kick_tx_queue		= rt2x00usb_kick_tx_queue,
-	.kill_tx_queue		= rt2x00usb_kill_tx_queue,
+	.kill_tx_queue		= rt2800usb_kill_tx_queue,
 	.fill_rxdone		= rt2800usb_fill_rxdone,
 	.config_shared_key	= rt2800_config_shared_key,
 	.config_pairwise_key	= rt2800_config_pairwise_key,

drivers/net/wireless/rt2x00/rt2x00.h

@@ -213,8 +213,9 @@ struct channel_info {
 	unsigned int flags;
 #define GEOGRAPHY_ALLOWED	0x00000001
 
-	short tx_power1;
-	short tx_power2;
+	short max_power;
+	short default_power1;
+	short default_power2;
 };
 
 /*
@@ -559,18 +560,15 @@ struct rt2x00lib_ops {
 	/*
 	 * TX control handlers
 	 */
-	void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
-			       struct sk_buff *skb,
+	void (*write_tx_desc) (struct queue_entry *entry,
 			       struct txentry_desc *txdesc);
 	void (*write_tx_data) (struct queue_entry *entry,
 			       struct txentry_desc *txdesc);
 	void (*write_beacon) (struct queue_entry *entry,
 			      struct txentry_desc *txdesc);
 	int (*get_tx_data_len) (struct queue_entry *entry);
-	void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev,
-			       const enum data_queue_qid queue);
-	void (*kill_tx_queue) (struct rt2x00_dev *rt2x00dev,
-			       const enum data_queue_qid queue);
+	void (*kick_tx_queue) (struct data_queue *queue);
+	void (*kill_tx_queue) (struct data_queue *queue);
 
 	/*
 	 * RX control handlers
@@ -1072,6 +1070,7 @@ static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
  */
 void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
 void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_dmadone(struct queue_entry *entry);
 void rt2x00lib_txdone(struct queue_entry *entry,
 		      struct txdone_entry_desc *txdesc);
 void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status);

drivers/net/wireless/rt2x00/rt2x00debug.c

@@ -338,7 +338,7 @@ static ssize_t rt2x00debug_read_queue_stats(struct file *file,
 		return -ENOMEM;
 
 	temp = data +
-	    sprintf(data, "qid\tcount\tlimit\tlength\tindex\tdone\tcrypto\n");
+	    sprintf(data, "qid\tcount\tlimit\tlength\tindex\tdma done\tdone\n");
 
 	queue_for_each(intf->rt2x00dev, queue) {
 		spin_lock_irqsave(&queue->lock, irqflags);
@@ -346,8 +346,8 @@ static ssize_t rt2x00debug_read_queue_stats(struct file *file,
 		temp += sprintf(temp, "%d\t%d\t%d\t%d\t%d\t%d\t%d\n", queue->qid,
 				queue->count, queue->limit, queue->length,
 				queue->index[Q_INDEX],
-				queue->index[Q_INDEX_DONE],
-				queue->index[Q_INDEX_CRYPTO]);
+				queue->index[Q_INDEX_DMA_DONE],
+				queue->index[Q_INDEX_DONE]);
 
 		spin_unlock_irqrestore(&queue->lock, irqflags);
 	}
@@ -481,6 +481,9 @@ static ssize_t rt2x00debug_write_##__name(struct file *file,	\
 	if (index >= debug->__name.word_count)			\
 		return -EINVAL;					\
 								\
+	if (length > sizeof(line))				\
+		return -EINVAL;					\
+								\
 	if (copy_from_user(line, buf, length))			\
 		return -EFAULT;					\
 								\

drivers/net/wireless/rt2x00/rt2x00dev.c

@@ -251,6 +251,12 @@ void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev)
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_pretbtt);
 
+void rt2x00lib_dmadone(struct queue_entry *entry)
+{
+	rt2x00queue_index_inc(entry->queue, Q_INDEX_DMA_DONE);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_dmadone);
+
 void rt2x00lib_txdone(struct queue_entry *entry,
 		      struct txdone_entry_desc *txdesc)
 {
@@ -711,7 +717,7 @@ static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
 	for (i = 0; i < spec->num_channels; i++) {
 		rt2x00lib_channel(&channels[i],
 				  spec->channels[i].channel,
-				  spec->channels_info[i].tx_power1, i);
+				  spec->channels_info[i].max_power, i);
 	}
 
 	/*

drivers/net/wireless/rt2x00/rt2x00queue.c

@@ -312,7 +312,7 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry,
 	/*
 	 * Initialize information from queue
 	 */
-	txdesc->queue = entry->queue->qid;
+	txdesc->qid = entry->queue->qid;
 	txdesc->cw_min = entry->queue->cw_min;
 	txdesc->cw_max = entry->queue->cw_max;
 	txdesc->aifs = entry->queue->aifs;
@@ -449,15 +449,14 @@ static void rt2x00queue_write_tx_descriptor(struct queue_entry *entry,
 					    struct txentry_desc *txdesc)
 {
 	struct data_queue *queue = entry->queue;
-	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 
-	rt2x00dev->ops->lib->write_tx_desc(rt2x00dev, entry->skb, txdesc);
+	queue->rt2x00dev->ops->lib->write_tx_desc(entry, txdesc);
 
 	/*
 	 * All processing on the frame has been completed, this means
 	 * it is now ready to be dumped to userspace through debugfs.
 	 */
-	rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TX, entry->skb);
+	rt2x00debug_dump_frame(queue->rt2x00dev, DUMP_FRAME_TX, entry->skb);
 }
 
 static void rt2x00queue_kick_tx_queue(struct queue_entry *entry,
@@ -477,7 +476,7 @@ static void rt2x00queue_kick_tx_queue(struct queue_entry *entry,
 	 */
 	if (rt2x00queue_threshold(queue) ||
 	    !test_bit(ENTRY_TXD_BURST, &txdesc->flags))
-		rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, queue->qid);
+		rt2x00dev->ops->lib->kick_tx_queue(queue);
 }
 
 int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb,
@@ -591,7 +590,7 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev,
 	intf->beacon->skb = NULL;
 
 	if (!enable_beacon) {
-		rt2x00dev->ops->lib->kill_tx_queue(rt2x00dev, QID_BEACON);
+		rt2x00dev->ops->lib->kill_tx_queue(intf->beacon->queue);
 		mutex_unlock(&intf->beacon_skb_mutex);
 		return 0;
 	}
@@ -626,6 +625,51 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev,
 	return 0;
 }
 
+void rt2x00queue_for_each_entry(struct data_queue *queue,
+				enum queue_index start,
+				enum queue_index end,
+				void (*fn)(struct queue_entry *entry))
+{
+	unsigned long irqflags;
+	unsigned int index_start;
+	unsigned int index_end;
+	unsigned int i;
+
+	if (unlikely(start >= Q_INDEX_MAX || end >= Q_INDEX_MAX)) {
+		ERROR(queue->rt2x00dev,
+		      "Entry requested from invalid index range (%d - %d)\n",
+		      start, end);
+		return;
+	}
+
+	/*
+	 * Only protect the range we are going to loop over,
+	 * if during our loop a extra entry is set to pending
+	 * it should not be kicked during this run, since it
+	 * is part of another TX operation.
+	 */
+	spin_lock_irqsave(&queue->lock, irqflags);
+	index_start = queue->index[start];
+	index_end = queue->index[end];
+	spin_unlock_irqrestore(&queue->lock, irqflags);
+
+	/*
+	 * Start from the TX done pointer, this guarentees that we will
+	 * send out all frames in the correct order.
+	 */
+	if (index_start < index_end) {
+		for (i = index_start; i < index_end; i++)
+			fn(&queue->entries[i]);
+	} else {
+		for (i = index_start; i < queue->limit; i++)
+			fn(&queue->entries[i]);
+
+		for (i = 0; i < index_end; i++)
+			fn(&queue->entries[i]);
+	}
+}
+EXPORT_SYMBOL_GPL(rt2x00queue_for_each_entry);
+
 struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev,
 					 const enum data_queue_qid queue)
 {
@@ -687,13 +731,13 @@ void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index)
 	if (queue->index[index] >= queue->limit)
 		queue->index[index] = 0;
 
+	queue->last_action[index] = jiffies;
+
 	if (index == Q_INDEX) {
 		queue->length++;
-		queue->last_index = jiffies;
 	} else if (index == Q_INDEX_DONE) {
 		queue->length--;
 		queue->count++;
-		queue->last_index_done = jiffies;
 	}
 
 	spin_unlock_irqrestore(&queue->lock, irqflags);
@@ -702,14 +746,17 @@ void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index)
 static void rt2x00queue_reset(struct data_queue *queue)
 {
 	unsigned long irqflags;
+	unsigned int i;
 
 	spin_lock_irqsave(&queue->lock, irqflags);
 
 	queue->count = 0;
 	queue->length = 0;
-	queue->last_index = jiffies;
-	queue->last_index_done = jiffies;
-	memset(queue->index, 0, sizeof(queue->index));
+
+	for (i = 0; i < Q_INDEX_MAX; i++) {
+		queue->index[i] = 0;
+		queue->last_action[i] = jiffies;
+	}
 
 	spin_unlock_irqrestore(&queue->lock, irqflags);
 }
@@ -719,7 +766,7 @@ void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev)
 	struct data_queue *queue;
 
 	txall_queue_for_each(rt2x00dev, queue)
-		rt2x00dev->ops->lib->kill_tx_queue(rt2x00dev, queue->qid);
+		rt2x00dev->ops->lib->kill_tx_queue(queue);
 }
 
 void rt2x00queue_init_queues(struct rt2x00_dev *rt2x00dev)

drivers/net/wireless/rt2x00/rt2x00queue.h

@@ -296,7 +296,7 @@ enum txentry_desc_flags {
  * Summary of information for the frame descriptor before sending a TX frame.
  *
  * @flags: Descriptor flags (See &enum queue_entry_flags).
- * @queue: Queue identification (See &enum data_queue_qid).
+ * @qid: Queue identification (See &enum data_queue_qid).
  * @length: Length of the entire frame.
  * @header_length: Length of 802.11 header.
  * @length_high: PLCP length high word.
@@ -322,7 +322,7 @@ enum txentry_desc_flags {
 struct txentry_desc {
 	unsigned long flags;
 
-	enum data_queue_qid queue;
+	enum data_queue_qid qid;
 
 	u16 length;
 	u16 header_length;
@@ -360,9 +360,6 @@ struct txentry_desc {
  * @ENTRY_OWNER_DEVICE_DATA: This entry is owned by the device for data
  *	transfer (either TX or RX depending on the queue). The entry should
  *	only be touched after the device has signaled it is done with it.
- * @ENTRY_OWNER_DEVICE_CRYPTO: This entry is owned by the device for data
- *	encryption or decryption. The entry should only be touched after
- *	the device has signaled it is done with it.
  * @ENTRY_DATA_PENDING: This entry contains a valid frame and is waiting
  *	for the signal to start sending.
  * @ENTRY_DATA_IO_FAILED: Hardware indicated that an IO error occured
@@ -372,7 +369,6 @@ struct txentry_desc {
 enum queue_entry_flags {
 	ENTRY_BCN_ASSIGNED,
 	ENTRY_OWNER_DEVICE_DATA,
-	ENTRY_OWNER_DEVICE_CRYPTO,
 	ENTRY_DATA_PENDING,
 	ENTRY_DATA_IO_FAILED
 };
@@ -405,18 +401,18 @@ struct queue_entry {
  *
  * @Q_INDEX: Index pointer to the current entry in the queue, if this entry is
  *	owned by the hardware then the queue is considered to be full.
+ * @Q_INDEX_DMA_DONE: Index pointer for the next entry which will have been
+ *	transfered to the hardware.
  * @Q_INDEX_DONE: Index pointer to the next entry which will be completed by
  *	the hardware and for which we need to run the txdone handler. If this
  *	entry is not owned by the hardware the queue is considered to be empty.
- * @Q_INDEX_CRYPTO: Index pointer to the next entry which encryption/decription
- *	will be completed by the hardware next.
  * @Q_INDEX_MAX: Keep last, used in &struct data_queue to determine the size
  *	of the index array.
  */
 enum queue_index {
 	Q_INDEX,
+	Q_INDEX_DMA_DONE,
 	Q_INDEX_DONE,
-	Q_INDEX_CRYPTO,
 	Q_INDEX_MAX,
 };
 
@@ -452,13 +448,12 @@ struct data_queue {
 	enum data_queue_qid qid;
 
 	spinlock_t lock;
-	unsigned long last_index;
-	unsigned long last_index_done;
 	unsigned int count;
 	unsigned short limit;
 	unsigned short threshold;
 	unsigned short length;
 	unsigned short index[Q_INDEX_MAX];
+	unsigned long last_action[Q_INDEX_MAX];
 
 	unsigned short txop;
 	unsigned short aifs;
@@ -570,6 +565,22 @@ struct data_queue_desc {
 #define txall_queue_for_each(__dev, __entry) \
 	queue_loop(__entry, (__dev)->tx, queue_end(__dev))
 
+/**
+ * rt2x00queue_for_each_entry - Loop through all entries in the queue
+ * @queue: Pointer to @data_queue
+ * @start: &enum queue_index Pointer to start index
+ * @end: &enum queue_index Pointer to end index
+ * @fn: The function to call for each &struct queue_entry
+ *
+ * This will walk through all entries in the queue, in chronological
+ * order. This means it will start at the current @start pointer
+ * and will walk through the queue until it reaches the @end pointer.
+ */
+void rt2x00queue_for_each_entry(struct data_queue *queue,
+				enum queue_index start,
+				enum queue_index end,
+				void (*fn)(struct queue_entry *entry));
+
 /**
  * rt2x00queue_empty - Check if the queue is empty.
  * @queue: Queue to check if empty.
@@ -607,12 +618,23 @@ static inline int rt2x00queue_threshold(struct data_queue *queue)
 }
 
 /**
- * rt2x00queue_timeout - Check if a timeout occured for this queue
+ * rt2x00queue_timeout - Check if a timeout occured for STATUS reorts
  * @queue: Queue to check.
  */
 static inline int rt2x00queue_timeout(struct data_queue *queue)
 {
-	return time_after(queue->last_index, queue->last_index_done + (HZ / 10));
+	return time_after(queue->last_action[Q_INDEX_DMA_DONE],
+			  queue->last_action[Q_INDEX_DONE] + (HZ / 10));
+}
+
+/**
+ * rt2x00queue_timeout - Check if a timeout occured for DMA transfers
+ * @queue: Queue to check.
+ */
+static inline int rt2x00queue_dma_timeout(struct data_queue *queue)
+{
+	return time_after(queue->last_action[Q_INDEX],
+			  queue->last_action[Q_INDEX_DMA_DONE] + (HZ / 10));
 }
 
 /**

drivers/net/wireless/rt2x00/rt2x00usb.c

@@ -208,10 +208,14 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb)
 	struct queue_entry *entry = (struct queue_entry *)urb->context;
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 
-	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags) ||
-	    !__test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
+	if (!__test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
 		return;
 
+	/*
+	 * Report the frame as DMA done
+	 */
+	rt2x00lib_dmadone(entry);
+
 	/*
 	 * Check if the frame was correctly uploaded
 	 */
@@ -222,112 +226,84 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb)
 	 * Schedule the delayed work for reading the TX status
 	 * from the device.
 	 */
-	ieee80211_queue_work(rt2x00dev->hw, &rt2x00dev->txdone_work);
+	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) &&
+	    test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
+		ieee80211_queue_work(rt2x00dev->hw, &rt2x00dev->txdone_work);
 }
 
-static inline void rt2x00usb_kick_tx_entry(struct queue_entry *entry)
+static void rt2x00usb_kick_tx_entry(struct queue_entry *entry)
 {
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 	struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
 	struct queue_entry_priv_usb *entry_priv = entry->priv_data;
 	u32 length;
 
-	if (test_and_clear_bit(ENTRY_DATA_PENDING, &entry->flags)) {
-		/*
-		 * USB devices cannot blindly pass the skb->len as the
-		 * length of the data to usb_fill_bulk_urb. Pass the skb
-		 * to the driver to determine what the length should be.
-		 */
-		length = rt2x00dev->ops->lib->get_tx_data_len(entry);
-
-		usb_fill_bulk_urb(entry_priv->urb, usb_dev,
-				  usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint),
-				  entry->skb->data, length,
-				  rt2x00usb_interrupt_txdone, entry);
-
-		usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
-	}
-}
-
-void rt2x00usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
-			     const enum data_queue_qid qid)
-{
-	struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, qid);
-	unsigned long irqflags;
-	unsigned int index;
-	unsigned int index_done;
-	unsigned int i;
+	if (!test_and_clear_bit(ENTRY_DATA_PENDING, &entry->flags))
+		return;
 
 	/*
-	 * Only protect the range we are going to loop over,
-	 * if during our loop a extra entry is set to pending
-	 * it should not be kicked during this run, since it
-	 * is part of another TX operation.
+	 * USB devices cannot blindly pass the skb->len as the
+	 * length of the data to usb_fill_bulk_urb. Pass the skb
+	 * to the driver to determine what the length should be.
 	 */
-	spin_lock_irqsave(&queue->lock, irqflags);
-	index = queue->index[Q_INDEX];
-	index_done = queue->index[Q_INDEX_DONE];
-	spin_unlock_irqrestore(&queue->lock, irqflags);
+	length = rt2x00dev->ops->lib->get_tx_data_len(entry);
 
-	/*
-	 * Start from the TX done pointer, this guarentees that we will
-	 * send out all frames in the correct order.
-	 */
-	if (index_done < index) {
-		for (i = index_done; i < index; i++)
-			rt2x00usb_kick_tx_entry(&queue->entries[i]);
-	} else {
-		for (i = index_done; i < queue->limit; i++)
-			rt2x00usb_kick_tx_entry(&queue->entries[i]);
+	usb_fill_bulk_urb(entry_priv->urb, usb_dev,
+			  usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint),
+			  entry->skb->data, length,
+			  rt2x00usb_interrupt_txdone, entry);
 
-		for (i = 0; i < index; i++)
-			rt2x00usb_kick_tx_entry(&queue->entries[i]);
-	}
+	usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
+}
+
+void rt2x00usb_kick_tx_queue(struct data_queue *queue)
+{
+	rt2x00queue_for_each_entry(queue, Q_INDEX_DONE, Q_INDEX,
+				   rt2x00usb_kick_tx_entry);
 }
 EXPORT_SYMBOL_GPL(rt2x00usb_kick_tx_queue);
 
-void rt2x00usb_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
-			     const enum data_queue_qid qid)
+static void rt2x00usb_kill_tx_entry(struct queue_entry *entry)
 {
-	struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, qid);
-	struct queue_entry_priv_usb *entry_priv;
-	struct queue_entry_priv_usb_bcn *bcn_priv;
-	unsigned int i;
-	bool kill_guard;
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+	struct queue_entry_priv_usb *entry_priv = entry->priv_data;
+	struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
+
+	if (!test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
+		return;
+
+	usb_kill_urb(entry_priv->urb);
 
 	/*
-	 * When killing the beacon queue, we must also kill
-	 * the beacon guard byte.
+	 * Kill guardian urb (if required by driver).
 	 */
-	kill_guard =
-	    (qid == QID_BEACON) &&
-	    (test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags));
+	if ((entry->queue->qid == QID_BEACON) &&
+	    (test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags)))
+		usb_kill_urb(bcn_priv->guardian_urb);
 
 	/*
-	 * Cancel all entries.
+	 * We need a short delay here to wait for
+	 * the URB to be canceled
 	 */
-	for (i = 0; i < queue->limit; i++) {
-		entry_priv = queue->entries[i].priv_data;
-		usb_kill_urb(entry_priv->urb);
+	do {
+		udelay(100);
+	} while (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags));
+}
 
-		/*
-		 * Kill guardian urb (if required by driver).
-		 */
-		if (kill_guard) {
-			bcn_priv = queue->entries[i].priv_data;
-			usb_kill_urb(bcn_priv->guardian_urb);
-		}
-	}
+void rt2x00usb_kill_tx_queue(struct data_queue *queue)
+{
+	rt2x00queue_for_each_entry(queue, Q_INDEX_DONE, Q_INDEX,
+				   rt2x00usb_kill_tx_entry);
 }
 EXPORT_SYMBOL_GPL(rt2x00usb_kill_tx_queue);
 
-static void rt2x00usb_watchdog_reset_tx(struct data_queue *queue)
+static void rt2x00usb_watchdog_tx_dma(struct data_queue *queue)
 {
-	struct queue_entry *entry;
-	struct queue_entry_priv_usb *entry_priv;
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 	unsigned short threshold = queue->threshold;
 
-	WARNING(queue->rt2x00dev, "TX queue %d timed out, invoke reset", queue->qid);
+	WARNING(queue->rt2x00dev, "TX queue %d DMA timed out,"
+		" invoke forced forced reset", queue->qid);
 
 	/*
 	 * Temporarily disable the TX queue, this will force mac80211
@@ -337,28 +313,33 @@ static void rt2x00usb_watchdog_reset_tx(struct data_queue *queue)
 	 * queue from being enabled during the txdone handler.
 	 */
 	queue->threshold = queue->limit;
-	ieee80211_stop_queue(queue->rt2x00dev->hw, queue->qid);
+	ieee80211_stop_queue(rt2x00dev->hw, queue->qid);
 
 	/*
-	 * Reset all currently uploaded TX frames.
+	 * Kill all entries in the queue, afterwards we need to
+	 * wait a bit for all URBs to be cancelled.
 	 */
-	while (!rt2x00queue_empty(queue)) {
-		entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
-		entry_priv = entry->priv_data;
-		usb_kill_urb(entry_priv->urb);
+	rt2x00usb_kill_tx_queue(queue);
 
-		/*
-		 * We need a short delay here to wait for
-		 * the URB to be canceled
-		 */
-		do {
-			udelay(100);
-		} while (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags));
+	/*
+	 * In case that a driver has overriden the txdone_work
+	 * function, we invoke the TX done through there.
+	 */
+	rt2x00dev->txdone_work.func(&rt2x00dev->txdone_work);
 
-		/*
-		 * Invoke the TX done handler
-		 */
-		rt2x00usb_work_txdone_entry(entry);
+	/*
+	 * Security measure: if the driver did override the
+	 * txdone_work function, and the hardware did arrive
+	 * in a state which causes it to malfunction, it is
+	 * possible that the driver couldn't handle the txdone
+	 * event correctly. So after giving the driver the
+	 * chance to cleanup, we now force a cleanup of any
+	 * leftovers.
+	 */
+	if (!rt2x00queue_empty(queue)) {
+		WARNING(queue->rt2x00dev, "TX queue %d DMA timed out,"
+			" status handling failed, invoke hard reset", queue->qid);
+		rt2x00usb_work_txdone(&rt2x00dev->txdone_work);
 	}
 
 	/*
@@ -366,7 +347,15 @@ static void rt2x00usb_watchdog_reset_tx(struct data_queue *queue)
 	 * queue again.
 	 */
 	queue->threshold = threshold;
-	ieee80211_wake_queue(queue->rt2x00dev->hw, queue->qid);
+	ieee80211_wake_queue(rt2x00dev->hw, queue->qid);
+}
+
+static void rt2x00usb_watchdog_tx_status(struct data_queue *queue)
+{
+	WARNING(queue->rt2x00dev, "TX queue %d status timed out,"
+		" invoke forced tx handler", queue->qid);
+
+	ieee80211_queue_work(queue->rt2x00dev->hw, &queue->rt2x00dev->txdone_work);
 }
 
 void rt2x00usb_watchdog(struct rt2x00_dev *rt2x00dev)
@@ -374,8 +363,10 @@ void rt2x00usb_watchdog(struct rt2x00_dev *rt2x00dev)
 	struct data_queue *queue;
 
 	tx_queue_for_each(rt2x00dev, queue) {
+		if (rt2x00queue_dma_timeout(queue))
+			rt2x00usb_watchdog_tx_dma(queue);
 		if (rt2x00queue_timeout(queue))
-			rt2x00usb_watchdog_reset_tx(queue);
+			rt2x00usb_watchdog_tx_status(queue);
 	}
 }
 EXPORT_SYMBOL_GPL(rt2x00usb_watchdog);
@@ -416,10 +407,14 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb)
 	struct queue_entry *entry = (struct queue_entry *)urb->context;
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 
-	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags) ||
-	    !__test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
+	if (!__test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
 		return;
 
+	/*
+	 * Report the frame as DMA done
+	 */
+	rt2x00lib_dmadone(entry);
+
 	/*
 	 * Check if the received data is simply too small
 	 * to be actually valid, or if the urb is signaling
@@ -432,7 +427,9 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb)
 	 * Schedule the delayed work for reading the RX status
 	 * from the device.
 	 */
-	ieee80211_queue_work(rt2x00dev->hw, &rt2x00dev->rxdone_work);
+	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) &&
+	    test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
+		ieee80211_queue_work(rt2x00dev->hw, &rt2x00dev->rxdone_work);
 }
 
 /*
@@ -447,7 +444,7 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 	 * The USB version of kill_tx_queue also works
 	 * on the RX queue.
 	 */
-	rt2x00dev->ops->lib->kill_tx_queue(rt2x00dev, QID_RX);
+	rt2x00dev->ops->lib->kill_tx_queue(rt2x00dev->rx);
 }
 EXPORT_SYMBOL_GPL(rt2x00usb_disable_radio);
 

drivers/net/wireless/rt2x00/rt2x00usb.h

@@ -379,25 +379,21 @@ struct queue_entry_priv_usb_bcn {
 
 /**
  * rt2x00usb_kick_tx_queue - Kick data queue
- * @rt2x00dev: Pointer to &struct rt2x00_dev
- * @qid: Data queue to kick
+ * @queue: Data queue to kick
  *
  * This will walk through all entries of the queue and push all pending
  * frames to the hardware as a single burst.
  */
-void rt2x00usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
-			     const enum data_queue_qid qid);
+void rt2x00usb_kick_tx_queue(struct data_queue *queue);
 
 /**
  * rt2x00usb_kill_tx_queue - Kill data queue
- * @rt2x00dev: Pointer to &struct rt2x00_dev
- * @qid: Data queue to kill
+ * @queue: Data queue to kill
  *
  * This will walk through all entries of the queue and kill all
  * previously kicked frames before they can be send.
  */
-void rt2x00usb_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
-			      const enum data_queue_qid qid);
+void rt2x00usb_kill_tx_queue(struct data_queue *queue);
 
 /**
  * rt2x00usb_watchdog - Watchdog for USB communication

drivers/net/wireless/rt2x00/rt61pci.c

@@ -1766,12 +1766,11 @@ static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev,
 /*
  * TX descriptor initialization
  */
-static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				  struct sk_buff *skb,
+static void rt61pci_write_tx_desc(struct queue_entry *entry,
 				  struct txentry_desc *txdesc)
 {
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-	struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 	__le32 *txd = entry_priv->desc;
 	u32 word;
 
@@ -1779,7 +1778,7 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	 * Start writing the descriptor words.
 	 */
 	rt2x00_desc_read(txd, 1, &word);
-	rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue);
+	rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->qid);
 	rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs);
 	rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
 	rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
@@ -1802,15 +1801,15 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	}
 
 	rt2x00_desc_read(txd, 5, &word);
-	rt2x00_set_field32(&word, TXD_W5_PID_TYPE, skbdesc->entry->queue->qid);
+	rt2x00_set_field32(&word, TXD_W5_PID_TYPE, entry->queue->qid);
 	rt2x00_set_field32(&word, TXD_W5_PID_SUBTYPE,
 			   skbdesc->entry->entry_idx);
 	rt2x00_set_field32(&word, TXD_W5_TX_POWER,
-			   TXPOWER_TO_DEV(rt2x00dev->tx_power));
+			   TXPOWER_TO_DEV(entry->queue->rt2x00dev->tx_power));
 	rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
 	rt2x00_desc_write(txd, 5, word);
 
-	if (txdesc->queue != QID_BEACON) {
+	if (txdesc->qid != QID_BEACON) {
 		rt2x00_desc_read(txd, 6, &word);
 		rt2x00_set_field32(&word, TXD_W6_BUFFER_PHYSICAL_ADDRESS,
 				   skbdesc->skb_dma);
@@ -1857,7 +1856,7 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	 */
 	skbdesc->desc = txd;
 	skbdesc->desc_len =
-		(txdesc->queue == QID_BEACON) ?  TXINFO_SIZE : TXD_DESC_SIZE;
+		(txdesc->qid == QID_BEACON) ?  TXINFO_SIZE : TXD_DESC_SIZE;
 }
 
 /*
@@ -1882,7 +1881,7 @@ static void rt61pci_write_beacon(struct queue_entry *entry,
 	/*
 	 * Write the TX descriptor for the beacon.
 	 */
-	rt61pci_write_tx_desc(rt2x00dev, entry->skb, txdesc);
+	rt61pci_write_tx_desc(entry, txdesc);
 
 	/*
 	 * Dump beacon to userspace through debugfs.
@@ -1918,34 +1917,34 @@ static void rt61pci_write_beacon(struct queue_entry *entry,
 	entry->skb = NULL;
 }
 
-static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
-				  const enum data_queue_qid queue)
+static void rt61pci_kick_tx_queue(struct data_queue *queue)
 {
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 	u32 reg;
 
 	rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, &reg);
-	rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC0, (queue == QID_AC_BE));
-	rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC1, (queue == QID_AC_BK));
-	rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC2, (queue == QID_AC_VI));
-	rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC3, (queue == QID_AC_VO));
+	rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC0, (queue->qid == QID_AC_BE));
+	rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC1, (queue->qid == QID_AC_BK));
+	rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC2, (queue->qid == QID_AC_VI));
+	rt2x00_set_field32(&reg, TX_CNTL_CSR_KICK_TX_AC3, (queue->qid == QID_AC_VO));
 	rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
 }
 
-static void rt61pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
-				  const enum data_queue_qid qid)
+static void rt61pci_kill_tx_queue(struct data_queue *queue)
 {
+	struct rt2x00_dev *rt2x00dev = queue->rt2x00dev;
 	u32 reg;
 
-	if (qid == QID_BEACON) {
+	if (queue->qid == QID_BEACON) {
 		rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
 		return;
 	}
 
 	rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, &reg);
-	rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC0, (qid == QID_AC_BE));
-	rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC1, (qid == QID_AC_BK));
-	rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC2, (qid == QID_AC_VI));
-	rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC3, (qid == QID_AC_VO));
+	rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC0, (queue->qid == QID_AC_BE));
+	rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC1, (queue->qid == QID_AC_BK));
+	rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC2, (queue->qid == QID_AC_VI));
+	rt2x00_set_field32(&reg, TX_CNTL_CSR_ABORT_TX_AC3, (queue->qid == QID_AC_VO));
 	rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
 }
 
@@ -2657,13 +2656,17 @@ static int rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	spec->channels_info = info;
 
 	tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
-	for (i = 0; i < 14; i++)
-		info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+	for (i = 0; i < 14; i++) {
+		info[i].max_power = MAX_TXPOWER;
+		info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+	}
 
 	if (spec->num_channels > 14) {
 		tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
-		for (i = 14; i < spec->num_channels; i++)
-			info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+		for (i = 14; i < spec->num_channels; i++) {
+			info[i].max_power = MAX_TXPOWER;
+			info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+		}
 	}
 
 	return 0;

drivers/net/wireless/rt2x00/rt73usb.c

@@ -1426,12 +1426,11 @@ static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 /*
  * TX descriptor initialization
  */
-static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
-				  struct sk_buff *skb,
+static void rt73usb_write_tx_desc(struct queue_entry *entry,
 				  struct txentry_desc *txdesc)
 {
-	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
-	__le32 *txd = (__le32 *) skb->data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	__le32 *txd = (__le32 *) entry->skb->data;
 	u32 word;
 
 	/*
@@ -1464,7 +1463,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_desc_write(txd, 0, word);
 
 	rt2x00_desc_read(txd, 1, &word);
-	rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue);
+	rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->qid);
 	rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs);
 	rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
 	rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
@@ -1487,7 +1486,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 
 	rt2x00_desc_read(txd, 5, &word);
 	rt2x00_set_field32(&word, TXD_W5_TX_POWER,
-			   TXPOWER_TO_DEV(rt2x00dev->tx_power));
+			   TXPOWER_TO_DEV(entry->queue->rt2x00dev->tx_power));
 	rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
 	rt2x00_desc_write(txd, 5, word);
 
@@ -1526,7 +1525,7 @@ static void rt73usb_write_beacon(struct queue_entry *entry,
 	/*
 	 * Write the TX descriptor for the beacon.
 	 */
-	rt73usb_write_tx_desc(rt2x00dev, entry->skb, txdesc);
+	rt73usb_write_tx_desc(entry, txdesc);
 
 	/*
 	 * Dump beacon to userspace through debugfs.
@@ -1574,6 +1573,14 @@ static int rt73usb_get_tx_data_len(struct queue_entry *entry)
 	return length;
 }
 
+static void rt73usb_kill_tx_queue(struct data_queue *queue)
+{
+	if (queue->qid == QID_BEACON)
+		rt2x00usb_register_write(queue->rt2x00dev, TXRX_CSR9, 0);
+
+	rt2x00usb_kill_tx_queue(queue);
+}
+
 /*
  * RX control handlers
  */
@@ -2091,13 +2098,17 @@ static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	spec->channels_info = info;
 
 	tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_G_START);
-	for (i = 0; i < 14; i++)
-		info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+	for (i = 0; i < 14; i++) {
+		info[i].max_power = MAX_TXPOWER;
+		info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+	}
 
 	if (spec->num_channels > 14) {
 		tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
-		for (i = 14; i < spec->num_channels; i++)
-			info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+		for (i = 14; i < spec->num_channels; i++) {
+			info[i].max_power = MAX_TXPOWER;
+			info[i].default_power1 = TXPOWER_FROM_DEV(tx_power[i]);
+		}
 	}
 
 	return 0;
@@ -2259,7 +2270,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
 	.write_beacon		= rt73usb_write_beacon,
 	.get_tx_data_len	= rt73usb_get_tx_data_len,
 	.kick_tx_queue		= rt2x00usb_kick_tx_queue,
-	.kill_tx_queue		= rt2x00usb_kill_tx_queue,
+	.kill_tx_queue		= rt73usb_kill_tx_queue,
 	.fill_rxdone		= rt73usb_fill_rxdone,
 	.config_shared_key	= rt73usb_config_shared_key,
 	.config_pairwise_key	= rt73usb_config_pairwise_key,

drivers/net/wireless/wl12xx/wl1251.h

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008-2009 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.
@@ -274,6 +272,8 @@ struct wl1251 {
 	int irq;
 	bool use_eeprom;
 
+	spinlock_t wl_lock;
+
 	enum wl1251_state state;
 	struct mutex mutex;
 
@@ -401,7 +401,8 @@ void wl1251_disable_interrupts(struct wl1251 *wl);
 
 #define WL1251_DEFAULT_POWER_LEVEL 20
 
-#define WL1251_TX_QUEUE_MAX_LENGTH 20
+#define WL1251_TX_QUEUE_LOW_WATERMARK  10
+#define WL1251_TX_QUEUE_HIGH_WATERMARK 25
 
 #define WL1251_DEFAULT_BEACON_INT 100
 #define WL1251_DEFAULT_DTIM_PERIOD 1

drivers/net/wireless/wl12xx/wl1251_acx.h

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_boot.c

@@ -3,8 +3,6 @@
  *
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_boot.h

@@ -3,8 +3,6 @@
  *
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_cmd.h

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_debugfs.c

@@ -3,8 +3,6 @@
  *
  * Copyright (C) 2009 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_debugfs.h

@@ -3,8 +3,6 @@
  *
  * Copyright (C) 2009 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_event.c

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.
@@ -36,9 +34,7 @@ static int wl1251_event_scan_complete(struct wl1251 *wl,
 		     mbox->scheduled_scan_channels);
 
 	if (wl->scanning) {
-		mutex_unlock(&wl->mutex);
 		ieee80211_scan_completed(wl->hw, false);
-		mutex_lock(&wl->mutex);
 		wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan completed");
 		wl->scanning = false;
 	}

drivers/net/wireless/wl12xx/wl1251_event.h

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_init.c

@@ -3,8 +3,6 @@
  *
  * Copyright (C) 2009 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_init.h

@@ -3,8 +3,6 @@
  *
  * Copyright (C) 2009 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_io.c

@@ -3,8 +3,6 @@
  *
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_main.c

@@ -3,8 +3,6 @@
  *
  * Copyright (C) 2008-2009 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.
@@ -377,6 +375,7 @@ out:
 static int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 {
 	struct wl1251 *wl = hw->priv;
+	unsigned long flags;
 
 	skb_queue_tail(&wl->tx_queue, skb);
 
@@ -391,16 +390,13 @@ static int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	 * The workqueue is slow to process the tx_queue and we need stop
 	 * the queue here, otherwise the queue will get too long.
 	 */
-	if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_MAX_LENGTH) {
+	if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_HIGH_WATERMARK) {
 		wl1251_debug(DEBUG_TX, "op_tx: tx_queue full, stop queues");
-		ieee80211_stop_queues(wl->hw);
 
-		/*
-		 * FIXME: this is racy, the variable is not properly
-		 * protected. Maybe fix this by removing the stupid
-		 * variable altogether and checking the real queue state?
-		 */
+		spin_lock_irqsave(&wl->wl_lock, flags);
+		ieee80211_stop_queues(wl->hw);
 		wl->tx_queue_stopped = true;
+		spin_unlock_irqrestore(&wl->wl_lock, flags);
 	}
 
 	return NETDEV_TX_OK;
@@ -469,9 +465,7 @@ static void wl1251_op_stop(struct ieee80211_hw *hw)
 	WARN_ON(wl->state != WL1251_STATE_ON);
 
 	if (wl->scanning) {
-		mutex_unlock(&wl->mutex);
 		ieee80211_scan_completed(wl->hw, true);
-		mutex_lock(&wl->mutex);
 		wl->scanning = false;
 	}
 
@@ -1437,5 +1431,5 @@ EXPORT_SYMBOL_GPL(wl1251_free_hw);
 
 MODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core");
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>");
+MODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>");
 MODULE_FIRMWARE(WL1251_FW_NAME);

drivers/net/wireless/wl12xx/wl1251_ps.c

@@ -3,8 +3,6 @@
  *
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_ps.h

@@ -1,14 +1,9 @@
-#ifndef __WL1251_PS_H__
-#define __WL1251_PS_H__
-
 /*
  * This file is part of wl1251
  *
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.
@@ -25,6 +20,9 @@
  *
  */
 
+#ifndef __WL1251_PS_H__
+#define __WL1251_PS_H__
+
 #include "wl1251.h"
 #include "wl1251_acx.h"
 

drivers/net/wireless/wl12xx/wl1251_reg.h

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_rx.c

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_rx.h

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_sdio.c

@@ -339,4 +339,4 @@ module_init(wl1251_sdio_init);
 module_exit(wl1251_sdio_exit);
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>");
+MODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>");

drivers/net/wireless/wl12xx/wl1251_spi.c

@@ -3,8 +3,6 @@
  *
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.
@@ -344,5 +342,5 @@ module_init(wl1251_spi_init);
 module_exit(wl1251_spi_exit);
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>");
+MODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>");
 MODULE_ALIAS("spi:wl1251");

drivers/net/wireless/wl12xx/wl1251_spi.h

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1251_tx.c

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.
@@ -322,11 +320,6 @@ void wl1251_tx_work(struct work_struct *work)
 
 		ret = wl1251_tx_frame(wl, skb);
 		if (ret == -EBUSY) {
-			/* firmware buffer is full, stop queues */
-			wl1251_debug(DEBUG_TX, "tx_work: fw buffer full, "
-				     "stop queues");
-			ieee80211_stop_queues(wl->hw);
-			wl->tx_queue_stopped = true;
 			skb_queue_head(&wl->tx_queue, skb);
 			goto out;
 		} else if (ret < 0) {
@@ -449,6 +442,7 @@ void wl1251_tx_complete(struct wl1251 *wl)
 {
 	int i, result_index, num_complete = 0;
 	struct tx_result result[FW_TX_CMPLT_BLOCK_SIZE], *result_ptr;
+	unsigned long flags;
 
 	if (unlikely(wl->state != WL1251_STATE_ON))
 		return;
@@ -477,6 +471,20 @@ void wl1251_tx_complete(struct wl1251 *wl)
 		}
 	}
 
+	if (wl->tx_queue_stopped
+	    &&
+	    skb_queue_len(&wl->tx_queue) <= WL1251_TX_QUEUE_LOW_WATERMARK){
+
+		/* firmware buffer has space, restart queues */
+		wl1251_debug(DEBUG_TX, "tx_complete: waking queues");
+		spin_lock_irqsave(&wl->wl_lock, flags);
+		ieee80211_wake_queues(wl->hw);
+		wl->tx_queue_stopped = false;
+		spin_unlock_irqrestore(&wl->wl_lock, flags);
+		ieee80211_queue_work(wl->hw, &wl->tx_work);
+
+	}
+
 	/* Every completed frame needs to be acknowledged */
 	if (num_complete) {
 		/*

drivers/net/wireless/wl12xx/wl1251_tx.h

@@ -4,8 +4,6 @@
  * Copyright (c) 1998-2007 Texas Instruments Incorporated
  * Copyright (C) 2008 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.

drivers/net/wireless/wl12xx/wl1271_main.c

@@ -948,9 +948,7 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
 		ieee80211_enable_dyn_ps(wl->vif);
 
 	if (wl->scan.state != WL1271_SCAN_STATE_IDLE) {
-		mutex_unlock(&wl->mutex);
 		ieee80211_scan_completed(wl->hw, true);
-		mutex_lock(&wl->mutex);
 		wl->scan.state = WL1271_SCAN_STATE_IDLE;
 		kfree(wl->scan.scanned_ch);
 		wl->scan.scanned_ch = NULL;

drivers/net/wireless/wl12xx/wl1271_scan.c

@@ -215,9 +215,7 @@ void wl1271_scan_stm(struct wl1271 *wl)
 		break;
 
 	case WL1271_SCAN_STATE_DONE:
-		mutex_unlock(&wl->mutex);
 		ieee80211_scan_completed(wl->hw, false);
-		mutex_lock(&wl->mutex);
 
 		kfree(wl->scan.scanned_ch);
 		wl->scan.scanned_ch = NULL;

include/linux/nl80211.h

@@ -295,7 +295,9 @@
  *	auth and assoc steps. For this, you need to specify the SSID in a
  *	%NL80211_ATTR_SSID attribute, and can optionally specify the association
  *	IEs in %NL80211_ATTR_IE, %NL80211_ATTR_AUTH_TYPE, %NL80211_ATTR_MAC,
- *	%NL80211_ATTR_WIPHY_FREQ and %NL80211_ATTR_CONTROL_PORT.
+ *	%NL80211_ATTR_WIPHY_FREQ, %NL80211_ATTR_CONTROL_PORT,
+ *	%NL80211_ATTR_CONTROL_PORT_ETHERTYPE and
+ *	%NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT.
  *	It is also sent as an event, with the BSSID and response IEs when the
  *	connection is established or failed to be established. This can be
  *	determined by the STATUS_CODE attribute.
@@ -686,6 +688,15 @@ enum nl80211_commands {
  *	request, the driver will assume that the port is unauthorized until
  *	authorized by user space. Otherwise, port is marked authorized by
  *	default in station mode.
+ * @NL80211_ATTR_CONTROL_PORT_ETHERTYPE: A 16-bit value indicating the
+ *	ethertype that will be used for key negotiation. It can be
+ *	specified with the associate and connect commands. If it is not
+ *	specified, the value defaults to 0x888E (PAE, 802.1X). This
+ *	attribute is also used as a flag in the wiphy information to
+ *	indicate that protocols other than PAE are supported.
+ * @NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT: When included along with
+ *	%NL80211_ATTR_CONTROL_PORT_ETHERTYPE, indicates that the custom
+ *	ethertype frames used for key negotiation must not be encrypted.
  *
  * @NL80211_ATTR_TESTDATA: Testmode data blob, passed through to the driver.
  *	We recommend using nested, driver-specific attributes within this.
@@ -951,6 +962,9 @@ enum nl80211_attrs {
 	NL80211_ATTR_RX_FRAME_TYPES,
 	NL80211_ATTR_FRAME_TYPE,
 
+	NL80211_ATTR_CONTROL_PORT_ETHERTYPE,
+	NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,

include/linux/spi/wl12xx.h

@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2009 Nokia Corporation
  *
- * Contact: Kalle Valo <kalle.valo@nokia.com>
+ * Contact: Luciano Coelho <luciano.coelho@nokia.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License

include/net/cfg80211.h

@@ -763,6 +763,10 @@ const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie);
  *	sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
  *	required to assume that the port is unauthorized until authorized by
  *	user space. Otherwise, port is marked authorized by default.
+ * @control_port_ethertype: the control port protocol that should be
+ *	allowed through even on unauthorized ports
+ * @control_port_no_encrypt: TRUE to prevent encryption of control port
+ *	protocol frames.
  */
 struct cfg80211_crypto_settings {
 	u32 wpa_versions;
@@ -772,6 +776,8 @@ struct cfg80211_crypto_settings {
 	int n_akm_suites;
 	u32 akm_suites[NL80211_MAX_NR_AKM_SUITES];
 	bool control_port;
+	__be16 control_port_ethertype;
+	bool control_port_no_encrypt;
 };
 
 /**
@@ -1293,15 +1299,19 @@ struct cfg80211_ops {
  * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station
  *	on a VLAN interface)
  * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station
+ * @WIPHY_FLAG_CONTROL_PORT_PROTOCOL: This device supports setting the
+ *	control port protocol ethertype. The device also honours the
+ *	control_port_no_encrypt flag.
  */
 enum wiphy_flags {
-	WIPHY_FLAG_CUSTOM_REGULATORY	= BIT(0),
-	WIPHY_FLAG_STRICT_REGULATORY	= BIT(1),
-	WIPHY_FLAG_DISABLE_BEACON_HINTS	= BIT(2),
-	WIPHY_FLAG_NETNS_OK		= BIT(3),
-	WIPHY_FLAG_PS_ON_BY_DEFAULT	= BIT(4),
-	WIPHY_FLAG_4ADDR_AP		= BIT(5),
-	WIPHY_FLAG_4ADDR_STATION	= BIT(6),
+	WIPHY_FLAG_CUSTOM_REGULATORY		= BIT(0),
+	WIPHY_FLAG_STRICT_REGULATORY		= BIT(1),
+	WIPHY_FLAG_DISABLE_BEACON_HINTS		= BIT(2),
+	WIPHY_FLAG_NETNS_OK			= BIT(3),
+	WIPHY_FLAG_PS_ON_BY_DEFAULT		= BIT(4),
+	WIPHY_FLAG_4ADDR_AP			= BIT(5),
+	WIPHY_FLAG_4ADDR_STATION		= BIT(6),
+	WIPHY_FLAG_CONTROL_PORT_PROTOCOL	= BIT(7),
 };
 
 struct mac_address {

include/net/mac80211.h

@@ -1242,8 +1242,8 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw,
  * %IEEE80211_CONF_PS flag enabled means that the powersave mode defined in
  * IEEE 802.11-2007 section 11.2 is enabled. This is not to be confused
  * with hardware wakeup and sleep states. Driver is responsible for waking
- * up the hardware before issueing commands to the hardware and putting it
- * back to sleep at approriate times.
+ * up the hardware before issuing commands to the hardware and putting it
+ * back to sleep at appropriate times.
  *
  * When PS is enabled, hardware needs to wakeup for beacons and receive the
  * buffered multicast/broadcast frames after the beacon. Also it must be
@@ -1264,7 +1264,7 @@ ieee80211_get_alt_retry_rate(const struct ieee80211_hw *hw,
  * there's data traffic and still saving significantly power in idle
  * periods.
  *
- * Dynamic powersave is supported by simply mac80211 enabling and disabling
+ * Dynamic powersave is simply supported by mac80211 enabling and disabling
  * PS based on traffic. Driver needs to only set %IEEE80211_HW_SUPPORTS_PS
  * flag and mac80211 will handle everything automatically. Additionally,
  * hardware having support for the dynamic PS feature may set the
@@ -1537,6 +1537,12 @@ enum ieee80211_ampdu_mlme_action {
  *	negative error code (which will be seen in userspace.)
  *	Must be implemented and can sleep.
  *
+ * @change_interface: Called when a netdevice changes type. This callback
+ *	is optional, but only if it is supported can interface types be
+ *	switched while the interface is UP. The callback may sleep.
+ *	Note that while an interface is being switched, it will not be
+ *	found by the interface iteration callbacks.
+ *
  * @remove_interface: Notifies a driver that an interface is going down.
  *	The @stop callback is called after this if it is the last interface
  *	and no monitor interfaces are present.
@@ -1693,6 +1699,9 @@ struct ieee80211_ops {
 	void (*stop)(struct ieee80211_hw *hw);
 	int (*add_interface)(struct ieee80211_hw *hw,
 			     struct ieee80211_vif *vif);
+	int (*change_interface)(struct ieee80211_hw *hw,
+				struct ieee80211_vif *vif,
+				enum nl80211_iftype new_type);
 	void (*remove_interface)(struct ieee80211_hw *hw,
 				 struct ieee80211_vif *vif);
 	int (*config)(struct ieee80211_hw *hw, u32 changed);
@@ -2268,7 +2277,8 @@ void ieee80211_wake_queues(struct ieee80211_hw *hw);
  *
  * When hardware scan offload is used (i.e. the hw_scan() callback is
  * assigned) this function needs to be called by the driver to notify
- * mac80211 that the scan finished.
+ * mac80211 that the scan finished. This function can be called from
+ * any context, including hardirq context.
  *
  * @hw: the hardware that finished the scan
  * @aborted: set to true if scan was aborted
@@ -2458,7 +2468,7 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
  *
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  *
- * When beacon filtering is enabled with %IEEE80211_HW_BEACON_FILTERING and
+ * When beacon filtering is enabled with %IEEE80211_HW_BEACON_FILTER and
  * %IEEE80211_CONF_PS is set, the driver needs to inform whenever the
  * hardware is not receiving beacons with this function.
  */
@@ -2469,7 +2479,7 @@ void ieee80211_beacon_loss(struct ieee80211_vif *vif);
  *
  * @vif: &struct ieee80211_vif pointer from the add_interface callback.
  *
- * When beacon filtering is enabled with %IEEE80211_HW_BEACON_FILTERING, and
+ * When beacon filtering is enabled with %IEEE80211_HW_BEACON_FILTER, and
  * %IEEE80211_CONF_PS and %IEEE80211_HW_CONNECTION_MONITOR are set, the driver
  * needs to inform if the connection to the AP has been lost.
  *