Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (43 commits)
  net: Fix 'Re: PACKET_TX_RING: packet size is too long'
  netdev: usb: dm9601.c can drive a device not supported yet, add support for it
  qlge: Fix firmware mailbox command timeout.
  qlge: Fix EEH handling.
  AF_RAW: Augment raw_send_hdrinc to expand skb to fit iphdr->ihl (v2)
  bonding: fix a race condition in calls to slave MII ioctls
  virtio-net: fix data corruption with OOM
  sfc: Set ip_summed correctly for page buffers passed to GRO
  cnic: Fix L2CTX_STATUSB_NUM offset in context memory.
  MAINTAINERS: rt2x00 list is moderated
  airo: Reorder tests, check bounds before element
  mac80211: fix for incorrect sequence number on hostapd injected frames
  libertas spi: fix sparse errors
  mac80211: trivial: fix spelling in mesh_hwmp
  cfg80211: sme: deauthenticate on assoc failure
  mac80211: keep auth state when assoc fails
  mac80211: fix ibss joining
  b43: add 'struct b43_wl' missing declaration
  b43: Fix Bugzilla #14181 and the bug from the previous 'fix'
  rt2x00: Fix crypto in TX frame for rt2800usb
  ...

drivers/isdn/i4l/isdn_net.h

@@ -83,19 +83,19 @@ static __inline__ isdn_net_local * isdn_net_get_locked_lp(isdn_net_dev *nd)
 
 	spin_lock_irqsave(&nd->queue_lock, flags);
 	lp = nd->queue;         /* get lp on top of queue */
-	spin_lock(&nd->queue->xmit_lock);
 	while (isdn_net_lp_busy(nd->queue)) {
-		spin_unlock(&nd->queue->xmit_lock);
 		nd->queue = nd->queue->next;
 		if (nd->queue == lp) { /* not found -- should never happen */
 			lp = NULL;
 			goto errout;
 		}
-		spin_lock(&nd->queue->xmit_lock);
 	}
 	lp = nd->queue;
 	nd->queue = nd->queue->next;
+	spin_unlock_irqrestore(&nd->queue_lock, flags);
+	spin_lock(&lp->xmit_lock);
 	local_bh_disable();
+	return lp;
 errout:
 	spin_unlock_irqrestore(&nd->queue_lock, flags);
 	return lp;

drivers/net/au1000_eth.c

@@ -34,6 +34,7 @@
  *
  *
  */
+#include <linux/capability.h>
 #include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/kernel.h>

drivers/net/bnx2.h

@@ -361,9 +361,12 @@ struct l2_fhdr {
 #define BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE	 (1<<28)
 
 #define BNX2_L2CTX_HOST_BDIDX				0x00000004
-#define BNX2_L2CTX_STATUSB_NUM_SHIFT			 16
-#define BNX2_L2CTX_STATUSB_NUM(sb_id)			 \
-	(((sb_id) > 0) ? (((sb_id) + 7) << BNX2_L2CTX_STATUSB_NUM_SHIFT) : 0)
+#define BNX2_L2CTX_L5_STATUSB_NUM_SHIFT			 16
+#define BNX2_L2CTX_L2_STATUSB_NUM_SHIFT			 24
+#define BNX2_L2CTX_L5_STATUSB_NUM(sb_id)		\
+	(((sb_id) > 0) ? (((sb_id) + 7) << BNX2_L2CTX_L5_STATUSB_NUM_SHIFT) : 0)
+#define BNX2_L2CTX_L2_STATUSB_NUM(sb_id)		\
+	(((sb_id) > 0) ? (((sb_id) + 7) << BNX2_L2CTX_L2_STATUSB_NUM_SHIFT) : 0)
 #define BNX2_L2CTX_HOST_BSEQ				0x00000008
 #define BNX2_L2CTX_NX_BSEQ				0x0000000c
 #define BNX2_L2CTX_NX_BDHADDR_HI			0x00000010

drivers/net/bonding/bond_main.c

@@ -691,7 +691,7 @@ static int bond_check_dev_link(struct bonding *bond,
 			       struct net_device *slave_dev, int reporting)
 {
 	const struct net_device_ops *slave_ops = slave_dev->netdev_ops;
-	static int (*ioctl)(struct net_device *, struct ifreq *, int);
+	int (*ioctl)(struct net_device *, struct ifreq *, int);
 	struct ifreq ifr;
 	struct mii_ioctl_data *mii;
 
@@ -3665,10 +3665,10 @@ static int bond_xmit_hash_policy_l23(struct sk_buff *skb,
 
 	if (skb->protocol == htons(ETH_P_IP)) {
 		return ((ntohl(iph->saddr ^ iph->daddr) & 0xffff) ^
-			(data->h_dest[5] ^ bond_dev->dev_addr[5])) % count;
+			(data->h_dest[5] ^ data->h_source[5])) % count;
 	}
 
-	return (data->h_dest[5] ^ bond_dev->dev_addr[5]) % count;
+	return (data->h_dest[5] ^ data->h_source[5]) % count;
 }
 
 /*
@@ -3695,7 +3695,7 @@ static int bond_xmit_hash_policy_l34(struct sk_buff *skb,
 
 	}
 
-	return (data->h_dest[5] ^ bond_dev->dev_addr[5]) % count;
+	return (data->h_dest[5] ^ data->h_source[5]) % count;
 }
 
 /*
@@ -3706,7 +3706,7 @@ static int bond_xmit_hash_policy_l2(struct sk_buff *skb,
 {
 	struct ethhdr *data = (struct ethhdr *)skb->data;
 
-	return (data->h_dest[5] ^ bond_dev->dev_addr[5]) % count;
+	return (data->h_dest[5] ^ data->h_source[5]) % count;
 }
 
 /*-------------------------- Device entry points ----------------------------*/

drivers/net/cnic.c

@@ -2264,9 +2264,9 @@ static void cnic_init_bnx2_rx_ring(struct cnic_dev *dev)
 	cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_CTX_TYPE, val);
 
 	if (sb_id == 0)
-		val = 2 << BNX2_L2CTX_STATUSB_NUM_SHIFT;
+		val = 2 << BNX2_L2CTX_L2_STATUSB_NUM_SHIFT;
 	else
-		val = BNX2_L2CTX_STATUSB_NUM(sb_id);
+		val = BNX2_L2CTX_L2_STATUSB_NUM(sb_id);
 	cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_HOST_BDIDX, val);
 
 	rxbd = (struct rx_bd *) (cp->l2_ring + BCM_PAGE_SIZE);
@@ -2423,7 +2423,7 @@ static int cnic_start_bnx2_hw(struct cnic_dev *dev)
 	cp->int_num = 0;
 	if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
 		u32 sb_id = cp->status_blk_num;
-		u32 sb = BNX2_L2CTX_STATUSB_NUM(sb_id);
+		u32 sb = BNX2_L2CTX_L5_STATUSB_NUM(sb_id);
 
 		cp->int_num = sb_id << BNX2_PCICFG_INT_ACK_CMD_INT_NUM_SHIFT;
 		cnic_ctx_wr(dev, cp->kwq_cid_addr, L5_KRNLQ_HOST_QIDX, sb);

drivers/net/dm9000.h

@@ -50,7 +50,7 @@
 #define DM9000_RCSR	       0x32
 
 #define CHIPR_DM9000A	       0x19
-#define CHIPR_DM9000B	       0x1B
+#define CHIPR_DM9000B	       0x1A
 
 #define DM9000_MRCMDX          0xF0
 #define DM9000_MRCMD           0xF2

drivers/net/e1000e/e1000.h

@@ -519,9 +519,13 @@ extern s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw);
 extern s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw);
 extern s32 e1000e_get_phy_info_igp(struct e1000_hw *hw);
 extern s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
+extern s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset,
+                                          u16 *data);
 extern s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw);
 extern s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active);
 extern s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
+extern s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset,
+                                           u16 data);
 extern s32 e1000e_phy_sw_reset(struct e1000_hw *hw);
 extern s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw);
 extern s32 e1000e_get_cfg_done(struct e1000_hw *hw);
@@ -538,7 +542,11 @@ extern s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data);
 extern s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data);
 extern void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl);
 extern s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data);
+extern s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset,
+                                        u16 data);
 extern s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data);
+extern s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset,
+                                       u16 *data);
 extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
 			       u32 usec_interval, bool *success);
 extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw);
@@ -546,7 +554,11 @@ extern s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
 extern s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
 extern s32 e1000e_check_downshift(struct e1000_hw *hw);
 extern s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data);
+extern s32 e1000_read_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset,
+                                        u16 *data);
 extern s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data);
+extern s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset,
+                                         u16 data);
 extern s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw, bool slow);
 extern s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw);
 extern s32 e1000_copper_link_setup_82577(struct e1000_hw *hw);

drivers/net/e1000e/hw.h

@@ -764,11 +764,13 @@ struct e1000_phy_operations {
 	s32  (*get_cable_length)(struct e1000_hw *);
 	s32  (*get_phy_info)(struct e1000_hw *);
 	s32  (*read_phy_reg)(struct e1000_hw *, u32, u16 *);
+	s32  (*read_phy_reg_locked)(struct e1000_hw *, u32, u16 *);
 	void (*release_phy)(struct e1000_hw *);
 	s32  (*reset_phy)(struct e1000_hw *);
 	s32  (*set_d0_lplu_state)(struct e1000_hw *, bool);
 	s32  (*set_d3_lplu_state)(struct e1000_hw *, bool);
 	s32  (*write_phy_reg)(struct e1000_hw *, u32, u16);
+	s32  (*write_phy_reg_locked)(struct e1000_hw *, u32, u16);
 	s32  (*cfg_on_link_up)(struct e1000_hw *);
 };
 

drivers/net/e1000e/ich8lan.c

@@ -122,6 +122,13 @@
 
 #define HV_LED_CONFIG		PHY_REG(768, 30) /* LED Configuration */
 
+#define SW_FLAG_TIMEOUT    1000 /* SW Semaphore flag timeout in milliseconds */
+
+/* OEM Bits Phy Register */
+#define HV_OEM_BITS            PHY_REG(768, 25)
+#define HV_OEM_BITS_LPLU       0x0004 /* Low Power Link Up */
+#define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */
+
 /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */
 /* Offset 04h HSFSTS */
 union ich8_hws_flash_status {
@@ -200,6 +207,7 @@ static s32 e1000_setup_led_pchlan(struct e1000_hw *hw);
 static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw);
 static s32 e1000_led_on_pchlan(struct e1000_hw *hw);
 static s32 e1000_led_off_pchlan(struct e1000_hw *hw);
+static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active);
 
 static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg)
 {
@@ -242,7 +250,11 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 
 	phy->ops.check_polarity       = e1000_check_polarity_ife_ich8lan;
 	phy->ops.read_phy_reg         = e1000_read_phy_reg_hv;
+	phy->ops.read_phy_reg_locked  = e1000_read_phy_reg_hv_locked;
+	phy->ops.set_d0_lplu_state    = e1000_set_lplu_state_pchlan;
+	phy->ops.set_d3_lplu_state    = e1000_set_lplu_state_pchlan;
 	phy->ops.write_phy_reg        = e1000_write_phy_reg_hv;
+	phy->ops.write_phy_reg_locked = e1000_write_phy_reg_hv_locked;
 	phy->autoneg_mask             = AUTONEG_ADVERTISE_SPEED_DEFAULT;
 
 	phy->id = e1000_phy_unknown;
@@ -303,6 +315,8 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
 	case IGP03E1000_E_PHY_ID:
 		phy->type = e1000_phy_igp_3;
 		phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
+		phy->ops.read_phy_reg_locked = e1000e_read_phy_reg_igp_locked;
+		phy->ops.write_phy_reg_locked = e1000e_write_phy_reg_igp_locked;
 		break;
 	case IFE_E_PHY_ID:
 	case IFE_PLUS_E_PHY_ID:
@@ -567,13 +581,40 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
 
 static DEFINE_MUTEX(nvm_mutex);
 
+/**
+ *  e1000_acquire_nvm_ich8lan - Acquire NVM mutex
+ *  @hw: pointer to the HW structure
+ *
+ *  Acquires the mutex for performing NVM operations.
+ **/
+static s32 e1000_acquire_nvm_ich8lan(struct e1000_hw *hw)
+{
+	mutex_lock(&nvm_mutex);
+
+	return 0;
+}
+
+/**
+ *  e1000_release_nvm_ich8lan - Release NVM mutex
+ *  @hw: pointer to the HW structure
+ *
+ *  Releases the mutex used while performing NVM operations.
+ **/
+static void e1000_release_nvm_ich8lan(struct e1000_hw *hw)
+{
+	mutex_unlock(&nvm_mutex);
+
+	return;
+}
+
+static DEFINE_MUTEX(swflag_mutex);
+
 /**
  *  e1000_acquire_swflag_ich8lan - Acquire software control flag
  *  @hw: pointer to the HW structure
  *
- *  Acquires the software control flag for performing NVM and PHY
- *  operations.  This is a function pointer entry point only called by
- *  read/write routines for the PHY and NVM parts.
+ *  Acquires the software control flag for performing PHY and select
+ *  MAC CSR accesses.
  **/
 static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 {
@@ -582,7 +623,7 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 
 	might_sleep();
 
-	mutex_lock(&nvm_mutex);
+	mutex_lock(&swflag_mutex);
 
 	while (timeout) {
 		extcnf_ctrl = er32(EXTCNF_CTRL);
@@ -599,7 +640,7 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 		goto out;
 	}
 
-	timeout = PHY_CFG_TIMEOUT * 2;
+	timeout = SW_FLAG_TIMEOUT;
 
 	extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
 	ew32(EXTCNF_CTRL, extcnf_ctrl);
@@ -623,7 +664,7 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
 
 out:
 	if (ret_val)
-		mutex_unlock(&nvm_mutex);
+		mutex_unlock(&swflag_mutex);
 
 	return ret_val;
 }
@@ -632,9 +673,8 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
  *  e1000_release_swflag_ich8lan - Release software control flag
  *  @hw: pointer to the HW structure
  *
- *  Releases the software control flag for performing NVM and PHY operations.
- *  This is a function pointer entry point only called by read/write
- *  routines for the PHY and NVM parts.
+ *  Releases the software control flag for performing PHY and select
+ *  MAC CSR accesses.
  **/
 static void e1000_release_swflag_ich8lan(struct e1000_hw *hw)
 {
@@ -644,7 +684,9 @@ static void e1000_release_swflag_ich8lan(struct e1000_hw *hw)
 	extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
 	ew32(EXTCNF_CTRL, extcnf_ctrl);
 
-	mutex_unlock(&nvm_mutex);
+	mutex_unlock(&swflag_mutex);
+
+	return;
 }
 
 /**
@@ -844,7 +886,7 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
 	u32 i;
 	u32 data, cnf_size, cnf_base_addr, sw_cfg_mask;
 	s32 ret_val;
-	u16 word_addr, reg_data, reg_addr, phy_page = 0;
+	u16 reg, word_addr, reg_data, reg_addr, phy_page = 0;
 
 	ret_val = e1000e_phy_hw_reset_generic(hw);
 	if (ret_val)
@@ -859,6 +901,10 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
 			return ret_val;
 	}
 
+	/* Dummy read to clear the phy wakeup bit after lcd reset */
+	if (hw->mac.type == e1000_pchlan)
+		e1e_rphy(hw, BM_WUC, &reg);
+
 	/*
 	 * Initialize the PHY from the NVM on ICH platforms.  This
 	 * is needed due to an issue where the NVM configuration is
@@ -1053,6 +1099,38 @@ static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw)
 	return ret_val;
 }
 
+/**
+ *  e1000_set_lplu_state_pchlan - Set Low Power Link Up state
+ *  @hw: pointer to the HW structure
+ *  @active: true to enable LPLU, false to disable
+ *
+ *  Sets the LPLU state according to the active flag.  For PCH, if OEM write
+ *  bit are disabled in the NVM, writing the LPLU bits in the MAC will not set
+ *  the phy speed. This function will manually set the LPLU bit and restart
+ *  auto-neg as hw would do. D3 and D0 LPLU will call the same function
+ *  since it configures the same bit.
+ **/
+static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active)
+{
+	s32 ret_val = 0;
+	u16 oem_reg;
+
+	ret_val = e1e_rphy(hw, HV_OEM_BITS, &oem_reg);
+	if (ret_val)
+		goto out;
+
+	if (active)
+		oem_reg |= HV_OEM_BITS_LPLU;
+	else
+		oem_reg &= ~HV_OEM_BITS_LPLU;
+
+	oem_reg |= HV_OEM_BITS_RESTART_AN;
+	ret_val = e1e_wphy(hw, HV_OEM_BITS, oem_reg);
+
+out:
+	return ret_val;
+}
+
 /**
  *  e1000_set_d0_lplu_state_ich8lan - Set Low Power Linkup D0 state
  *  @hw: pointer to the HW structure
@@ -1314,12 +1392,11 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 	if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
 	    (words == 0)) {
 		hw_dbg(hw, "nvm parameter(s) out of bounds\n");
-		return -E1000_ERR_NVM;
+		ret_val = -E1000_ERR_NVM;
+		goto out;
 	}
 
-	ret_val = e1000_acquire_swflag_ich8lan(hw);
-	if (ret_val)
-		goto out;
+	nvm->ops.acquire_nvm(hw);
 
 	ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
 	if (ret_val) {
@@ -1345,7 +1422,7 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 		}
 	}
 
-	e1000_release_swflag_ich8lan(hw);
+	nvm->ops.release_nvm(hw);
 
 out:
 	if (ret_val)
@@ -1603,11 +1680,15 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
 		return -E1000_ERR_NVM;
 	}
 
+	nvm->ops.acquire_nvm(hw);
+
 	for (i = 0; i < words; i++) {
 		dev_spec->shadow_ram[offset+i].modified = 1;
 		dev_spec->shadow_ram[offset+i].value = data[i];
 	}
 
+	nvm->ops.release_nvm(hw);
+
 	return 0;
 }
 
@@ -1637,9 +1718,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	if (nvm->type != e1000_nvm_flash_sw)
 		goto out;
 
-	ret_val = e1000_acquire_swflag_ich8lan(hw);
-	if (ret_val)
-		goto out;
+	nvm->ops.acquire_nvm(hw);
 
 	/*
 	 * We're writing to the opposite bank so if we're on bank 1,
@@ -1657,7 +1736,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 		old_bank_offset = 0;
 		ret_val = e1000_erase_flash_bank_ich8lan(hw, 1);
 		if (ret_val) {
-			e1000_release_swflag_ich8lan(hw);
+			nvm->ops.release_nvm(hw);
 			goto out;
 		}
 	} else {
@@ -1665,7 +1744,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 		new_bank_offset = 0;
 		ret_val = e1000_erase_flash_bank_ich8lan(hw, 0);
 		if (ret_val) {
-			e1000_release_swflag_ich8lan(hw);
+			nvm->ops.release_nvm(hw);
 			goto out;
 		}
 	}
@@ -1723,7 +1802,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	if (ret_val) {
 		/* Possibly read-only, see e1000e_write_protect_nvm_ich8lan() */
 		hw_dbg(hw, "Flash commit failed.\n");
-		e1000_release_swflag_ich8lan(hw);
+		nvm->ops.release_nvm(hw);
 		goto out;
 	}
 
@@ -1736,7 +1815,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD;
 	ret_val = e1000_read_flash_word_ich8lan(hw, act_offset, &data);
 	if (ret_val) {
-		e1000_release_swflag_ich8lan(hw);
+		nvm->ops.release_nvm(hw);
 		goto out;
 	}
 	data &= 0xBFFF;
@@ -1744,7 +1823,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 						       act_offset * 2 + 1,
 						       (u8)(data >> 8));
 	if (ret_val) {
-		e1000_release_swflag_ich8lan(hw);
+		nvm->ops.release_nvm(hw);
 		goto out;
 	}
 
@@ -1757,7 +1836,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 	act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1;
 	ret_val = e1000_retry_write_flash_byte_ich8lan(hw, act_offset, 0);
 	if (ret_val) {
-		e1000_release_swflag_ich8lan(hw);
+		nvm->ops.release_nvm(hw);
 		goto out;
 	}
 
@@ -1767,7 +1846,7 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
 		dev_spec->shadow_ram[i].value = 0xFFFF;
 	}
 
-	e1000_release_swflag_ich8lan(hw);
+	nvm->ops.release_nvm(hw);
 
 	/*
 	 * Reload the EEPROM, or else modifications will not appear
@@ -1831,14 +1910,12 @@ static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw)
  **/
 void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw)
 {
+	struct e1000_nvm_info *nvm = &hw->nvm;
 	union ich8_flash_protected_range pr0;
 	union ich8_hws_flash_status hsfsts;
 	u32 gfpreg;
-	s32 ret_val;
 
-	ret_val = e1000_acquire_swflag_ich8lan(hw);
-	if (ret_val)
-		return;
+	nvm->ops.acquire_nvm(hw);
 
 	gfpreg = er32flash(ICH_FLASH_GFPREG);
 
@@ -1859,7 +1936,7 @@ void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw)
 	hsfsts.hsf_status.flockdn = true;
 	ew32flash(ICH_FLASH_HSFSTS, hsfsts.regval);
 
-	e1000_release_swflag_ich8lan(hw);
+	nvm->ops.release_nvm(hw);
 }
 
 /**
@@ -2229,6 +2306,7 @@ static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw)
  **/
 static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 {
+	u16 reg;
 	u32 ctrl, icr, kab;
 	s32 ret_val;
 
@@ -2304,6 +2382,9 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 			hw_dbg(hw, "Auto Read Done did not complete\n");
 		}
 	}
+	/* Dummy read to clear the phy wakeup bit after lcd reset */
+	if (hw->mac.type == e1000_pchlan)
+		e1e_rphy(hw, BM_WUC, &reg);
 
 	/*
 	 * For PCH, this write will make sure that any noise
@@ -2843,9 +2924,8 @@ void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw)
 		            E1000_PHY_CTRL_GBE_DISABLE;
 		ew32(PHY_CTRL, phy_ctrl);
 
-		/* Workaround SWFLAG unexpectedly set during S0->Sx */
 		if (hw->mac.type == e1000_pchlan)
-			udelay(500);
+			e1000_phy_hw_reset_ich8lan(hw);
 	default:
 		break;
 	}
@@ -3113,9 +3193,9 @@ static struct e1000_phy_operations ich8_phy_ops = {
 };
 
 static struct e1000_nvm_operations ich8_nvm_ops = {
-	.acquire_nvm		= e1000_acquire_swflag_ich8lan,
+	.acquire_nvm		= e1000_acquire_nvm_ich8lan,
 	.read_nvm	 	= e1000_read_nvm_ich8lan,
-	.release_nvm		= e1000_release_swflag_ich8lan,
+	.release_nvm		= e1000_release_nvm_ich8lan,
 	.update_nvm		= e1000_update_nvm_checksum_ich8lan,
 	.valid_led_default	= e1000_valid_led_default_ich8lan,
 	.validate_nvm		= e1000_validate_nvm_checksum_ich8lan,

drivers/net/e1000e/phy.c

@@ -164,16 +164,25 @@ s32 e1000e_get_phy_id(struct e1000_hw *hw)
 		 * MDIC mode. No harm in trying again in this case since
 		 * the PHY ID is unknown at this point anyway
 		 */
+		ret_val = phy->ops.acquire_phy(hw);
+		if (ret_val)
+			goto out;
 		ret_val = e1000_set_mdio_slow_mode_hv(hw, true);
 		if (ret_val)
 			goto out;
+		phy->ops.release_phy(hw);
 
 		retry_count++;
 	}
 out:
 	/* Revert to MDIO fast mode, if applicable */
-	if (retry_count)
+	if (retry_count) {
+		ret_val = phy->ops.acquire_phy(hw);
+		if (ret_val)
+			return ret_val;
 		ret_val = e1000_set_mdio_slow_mode_hv(hw, false);
+		phy->ops.release_phy(hw);
+	}
 
 	return ret_val;
 }
@@ -354,94 +363,173 @@ s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data)
 }
 
 /**
- *  e1000e_read_phy_reg_igp - Read igp PHY register
+ *  __e1000e_read_phy_reg_igp - Read igp PHY register
  *  @hw: pointer to the HW structure
  *  @offset: register offset to be read
  *  @data: pointer to the read data
+ *  @locked: semaphore has already been acquired or not
  *
  *  Acquires semaphore, if necessary, then reads the PHY register at offset
- *  and storing the retrieved information in data.  Release any acquired
+ *  and stores the retrieved information in data.  Release any acquired
  *  semaphores before exiting.
  **/
-s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data)
+static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data,
+                                    bool locked)
 {
-	s32 ret_val;
+	s32 ret_val = 0;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		return ret_val;
+	if (!locked) {
+		if (!(hw->phy.ops.acquire_phy))
+			goto out;
+
+		ret_val = hw->phy.ops.acquire_phy(hw);
+		if (ret_val)
+			goto out;
+	}
 
 	if (offset > MAX_PHY_MULTI_PAGE_REG) {
 		ret_val = e1000e_write_phy_reg_mdic(hw,
 						    IGP01E1000_PHY_PAGE_SELECT,
 						    (u16)offset);
-		if (ret_val) {
-			hw->phy.ops.release_phy(hw);
-			return ret_val;
-		}
+		if (ret_val)
+			goto release;
 	}
 
 	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
-					   data);
-
-	hw->phy.ops.release_phy(hw);
+	                                  data);
 
+release:
+	if (!locked)
+		hw->phy.ops.release_phy(hw);
+out:
 	return ret_val;
 }
 
+/**
+ *  e1000e_read_phy_reg_igp - Read igp PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Acquires semaphore then reads the PHY register at offset and stores the
+ *  retrieved information in data.
+ *  Release the acquired semaphore before exiting.
+ **/
+s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	return __e1000e_read_phy_reg_igp(hw, offset, data, false);
+}
+
+/**
+ *  e1000e_read_phy_reg_igp_locked - Read igp PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Reads the PHY register at offset and stores the retrieved information
+ *  in data.  Assumes semaphore already acquired.
+ **/
+s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	return __e1000e_read_phy_reg_igp(hw, offset, data, true);
+}
+
 /**
  *  e1000e_write_phy_reg_igp - Write igp PHY register
  *  @hw: pointer to the HW structure
  *  @offset: register offset to write to
  *  @data: data to write at register offset
+ *  @locked: semaphore has already been acquired or not
  *
  *  Acquires semaphore, if necessary, then writes the data to PHY register
  *  at the offset.  Release any acquired semaphores before exiting.
  **/
-s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data)
+static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data,
+                                     bool locked)
 {
-	s32 ret_val;
+	s32 ret_val = 0;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		return ret_val;
+	if (!locked) {
+		if (!(hw->phy.ops.acquire_phy))
+			goto out;
+
+		ret_val = hw->phy.ops.acquire_phy(hw);
+		if (ret_val)
+			goto out;
+	}
 
 	if (offset > MAX_PHY_MULTI_PAGE_REG) {
 		ret_val = e1000e_write_phy_reg_mdic(hw,
 						    IGP01E1000_PHY_PAGE_SELECT,
 						    (u16)offset);
-		if (ret_val) {
-			hw->phy.ops.release_phy(hw);
-			return ret_val;
-		}
+		if (ret_val)
+			goto release;
 	}
 
 	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 					    data);
 
-	hw->phy.ops.release_phy(hw);
+release:
+	if (!locked)
+		hw->phy.ops.release_phy(hw);
 
+out:
 	return ret_val;
 }
 
 /**
- *  e1000e_read_kmrn_reg - Read kumeran register
+ *  e1000e_write_phy_reg_igp - Write igp PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Acquires semaphore then writes the data to PHY register
+ *  at the offset.  Release any acquired semaphores before exiting.
+ **/
+s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	return __e1000e_write_phy_reg_igp(hw, offset, data, false);
+}
+
+/**
+ *  e1000e_write_phy_reg_igp_locked - Write igp PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Writes the data to PHY register at the offset.
+ *  Assumes semaphore already acquired.
+ **/
+s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	return __e1000e_write_phy_reg_igp(hw, offset, data, true);
+}
+
+/**
+ *  __e1000_read_kmrn_reg - Read kumeran register
  *  @hw: pointer to the HW structure
  *  @offset: register offset to be read
  *  @data: pointer to the read data
+ *  @locked: semaphore has already been acquired or not
  *
  *  Acquires semaphore, if necessary.  Then reads the PHY register at offset
  *  using the kumeran interface.  The information retrieved is stored in data.
  *  Release any acquired semaphores before exiting.
  **/
-s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
+static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data,
+                                 bool locked)
 {
 	u32 kmrnctrlsta;
-	s32 ret_val;
+	s32 ret_val = 0;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		return ret_val;
+	if (!locked) {
+		if (!(hw->phy.ops.acquire_phy))
+			goto out;
+
+		ret_val = hw->phy.ops.acquire_phy(hw);
+		if (ret_val)
+			goto out;
+	}
 
 	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
 		       E1000_KMRNCTRLSTA_OFFSET) | E1000_KMRNCTRLSTA_REN;
@@ -452,40 +540,110 @@ s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
 	kmrnctrlsta = er32(KMRNCTRLSTA);
 	*data = (u16)kmrnctrlsta;
 
-	hw->phy.ops.release_phy(hw);
+	if (!locked)
+		hw->phy.ops.release_phy(hw);
 
+out:
 	return ret_val;
 }
 
 /**
- *  e1000e_write_kmrn_reg - Write kumeran register
+ *  e1000e_read_kmrn_reg -  Read kumeran register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Acquires semaphore then reads the PHY register at offset using the
+ *  kumeran interface.  The information retrieved is stored in data.
+ *  Release the acquired semaphore before exiting.
+ **/
+s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	return __e1000_read_kmrn_reg(hw, offset, data, false);
+}
+
+/**
+ *  e1000_read_kmrn_reg_locked -  Read kumeran register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Reads the PHY register at offset using the kumeran interface.  The
+ *  information retrieved is stored in data.
+ *  Assumes semaphore already acquired.
+ **/
+s32 e1000_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	return __e1000_read_kmrn_reg(hw, offset, data, true);
+}
+
+/**
+ *  __e1000_write_kmrn_reg - Write kumeran register
  *  @hw: pointer to the HW structure
  *  @offset: register offset to write to
  *  @data: data to write at register offset
+ *  @locked: semaphore has already been acquired or not
  *
  *  Acquires semaphore, if necessary.  Then write the data to PHY register
  *  at the offset using the kumeran interface.  Release any acquired semaphores
  *  before exiting.
  **/
-s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
+static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data,
+                                  bool locked)
 {
 	u32 kmrnctrlsta;
-	s32 ret_val;
+	s32 ret_val = 0;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		return ret_val;
+	if (!locked) {
+		if (!(hw->phy.ops.acquire_phy))
+			goto out;
+
+		ret_val = hw->phy.ops.acquire_phy(hw);
+		if (ret_val)
+			goto out;
+	}
 
 	kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
 		       E1000_KMRNCTRLSTA_OFFSET) | data;
 	ew32(KMRNCTRLSTA, kmrnctrlsta);
 
 	udelay(2);
-	hw->phy.ops.release_phy(hw);
 
+	if (!locked)
+		hw->phy.ops.release_phy(hw);
+
+out:
 	return ret_val;
 }
 
+/**
+ *  e1000e_write_kmrn_reg -  Write kumeran register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Acquires semaphore then writes the data to the PHY register at the offset
+ *  using the kumeran interface.  Release the acquired semaphore before exiting.
+ **/
+s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	return __e1000_write_kmrn_reg(hw, offset, data, false);
+}
+
+/**
+ *  e1000_write_kmrn_reg_locked -  Write kumeran register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Write the data to PHY register at the offset using the kumeran interface.
+ *  Assumes semaphore already acquired.
+ **/
+s32 e1000_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	return __e1000_write_kmrn_reg(hw, offset, data, true);
+}
+
 /**
  *  e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link
  *  @hw: pointer to the HW structure
@@ -2105,6 +2263,10 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
 	u32 page = offset >> IGP_PAGE_SHIFT;
 	u32 page_shift = 0;
 
+	ret_val = hw->phy.ops.acquire_phy(hw);
+	if (ret_val)
+		return ret_val;
+
 	/* Page 800 works differently than the rest so it has its own func */
 	if (page == BM_WUC_PAGE) {
 		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
@@ -2112,10 +2274,6 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
 		goto out;
 	}
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		goto out;
-
 	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
 
 	if (offset > MAX_PHY_MULTI_PAGE_REG) {
@@ -2135,18 +2293,15 @@ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data)
 		/* Page is shifted left, PHY expects (page x 32) */
 		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
 		                                    (page << page_shift));
-		if (ret_val) {
-			hw->phy.ops.release_phy(hw);
+		if (ret_val)
 			goto out;
-		}
 	}
 
 	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 	                                    data);
 
-	hw->phy.ops.release_phy(hw);
-
 out:
+	hw->phy.ops.release_phy(hw);
 	return ret_val;
 }
 
@@ -2167,6 +2322,10 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
 	u32 page = offset >> IGP_PAGE_SHIFT;
 	u32 page_shift = 0;
 
+	ret_val = hw->phy.ops.acquire_phy(hw);
+	if (ret_val)
+		return ret_val;
+
 	/* Page 800 works differently than the rest so it has its own func */
 	if (page == BM_WUC_PAGE) {
 		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
@@ -2174,10 +2333,6 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
 		goto out;
 	}
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		goto out;
-
 	hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset);
 
 	if (offset > MAX_PHY_MULTI_PAGE_REG) {
@@ -2197,17 +2352,14 @@ s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data)
 		/* Page is shifted left, PHY expects (page x 32) */
 		ret_val = e1000e_write_phy_reg_mdic(hw, page_select,
 		                                    (page << page_shift));
-		if (ret_val) {
-			hw->phy.ops.release_phy(hw);
+		if (ret_val)
 			goto out;
-		}
 	}
 
 	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 	                                   data);
-	hw->phy.ops.release_phy(hw);
-
 out:
+	hw->phy.ops.release_phy(hw);
 	return ret_val;
 }
 
@@ -2226,17 +2378,17 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data)
 	s32 ret_val;
 	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
 
+	ret_val = hw->phy.ops.acquire_phy(hw);
+	if (ret_val)
+		return ret_val;
+
 	/* Page 800 works differently than the rest so it has its own func */
 	if (page == BM_WUC_PAGE) {
 		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data,
 							 true);
-		return ret_val;
+		goto out;
 	}
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		return ret_val;
-
 	hw->phy.addr = 1;
 
 	if (offset > MAX_PHY_MULTI_PAGE_REG) {
@@ -2245,16 +2397,14 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data)
 		ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT,
 						    page);
 
-		if (ret_val) {
-			hw->phy.ops.release_phy(hw);
-			return ret_val;
-		}
+		if (ret_val)
+			goto out;
 	}
 
 	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 					   data);
+out:
 	hw->phy.ops.release_phy(hw);
-
 	return ret_val;
 }
 
@@ -2272,17 +2422,17 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
 	s32 ret_val;
 	u16 page = (u16)(offset >> IGP_PAGE_SHIFT);
 
+	ret_val = hw->phy.ops.acquire_phy(hw);
+	if (ret_val)
+		return ret_val;
+
 	/* Page 800 works differently than the rest so it has its own func */
 	if (page == BM_WUC_PAGE) {
 		ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data,
 							 false);
-		return ret_val;
+		goto out;
 	}
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		return ret_val;
-
 	hw->phy.addr = 1;
 
 	if (offset > MAX_PHY_MULTI_PAGE_REG) {
@@ -2290,17 +2440,15 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
 		ret_val = e1000e_write_phy_reg_mdic(hw, BM_PHY_PAGE_SELECT,
 						    page);
 
-		if (ret_val) {
-			hw->phy.ops.release_phy(hw);
-			return ret_val;
-		}
+		if (ret_val)
+			goto out;
 	}
 
 	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
 					    data);
 
+out:
 	hw->phy.ops.release_phy(hw);
-
 	return ret_val;
 }
 
@@ -2320,6 +2468,8 @@ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data)
  *  3) Write the address using the address opcode (0x11)
  *  4) Read or write the data using the data opcode (0x12)
  *  5) Restore 769_17.2 to its original value
+ *
+ *  Assumes semaphore already acquired.
  **/
 static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 					  u16 *data, bool read)
@@ -2327,20 +2477,12 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 	s32 ret_val;
 	u16 reg = BM_PHY_REG_NUM(offset);
 	u16 phy_reg = 0;
-	u8  phy_acquired = 1;
-
 
 	/* Gig must be disabled for MDIO accesses to page 800 */
 	if ((hw->mac.type == e1000_pchlan) &&
 	   (!(er32(PHY_CTRL) & E1000_PHY_CTRL_GBE_DISABLE)))
 		hw_dbg(hw, "Attempting to access page 800 while gig enabled\n");
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val) {
-		phy_acquired = 0;
-		goto out;
-	}
-
 	/* All operations in this function are phy address 1 */
 	hw->phy.addr = 1;
 
@@ -2397,8 +2539,6 @@ static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset,
 	ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
 
 out:
-	if (phy_acquired == 1)
-		hw->phy.ops.release_phy(hw);
 	return ret_val;
 }
 
@@ -2439,52 +2579,63 @@ static s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
 	return 0;
 }
 
+/**
+ *  e1000_set_mdio_slow_mode_hv - Set slow MDIO access mode
+ *  @hw:   pointer to the HW structure
+ *  @slow: true for slow mode, false for normal mode
+ *
+ *  Assumes semaphore already acquired.
+ **/
 s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw, bool slow)
 {
 	s32 ret_val = 0;
 	u16 data = 0;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		return ret_val;
-
 	/* Set MDIO mode - page 769, register 16: 0x2580==slow, 0x2180==fast */
 	hw->phy.addr = 1;
 	ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
 				         (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT));
-	if (ret_val) {
-		hw->phy.ops.release_phy(hw);
-		return ret_val;
-	}
+	if (ret_val)
+		goto out;
+
 	ret_val = e1000e_write_phy_reg_mdic(hw, BM_CS_CTRL1,
 	                                   (0x2180 | (slow << 10)));
+	if (ret_val)
+		goto out;
 
 	/* dummy read when reverting to fast mode - throw away result */
 	if (!slow)
-		e1000e_read_phy_reg_mdic(hw, BM_CS_CTRL1, &data);
-
-	hw->phy.ops.release_phy(hw);
+		ret_val = e1000e_read_phy_reg_mdic(hw, BM_CS_CTRL1, &data);
 
+out:
 	return ret_val;
 }
 
 /**
- *  e1000_read_phy_reg_hv -  Read HV PHY register
+ *  __e1000_read_phy_reg_hv -  Read HV PHY register
  *  @hw: pointer to the HW structure
  *  @offset: register offset to be read
  *  @data: pointer to the read data
+ *  @locked: semaphore has already been acquired or not
  *
  *  Acquires semaphore, if necessary, then reads the PHY register at offset
- *  and storing the retrieved information in data.  Release any acquired
+ *  and stores the retrieved information in data.  Release any acquired
  *  semaphore before exiting.
  **/
-s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data)
+static s32 __e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data,
+                                   bool locked)
 {
 	s32 ret_val;
 	u16 page = BM_PHY_REG_PAGE(offset);
 	u16 reg = BM_PHY_REG_NUM(offset);
 	bool in_slow_mode = false;
 
+	if (!locked) {
+		ret_val = hw->phy.ops.acquire_phy(hw);
+		if (ret_val)
+			return ret_val;
+	}
+
 	/* Workaround failure in MDIO access while cable is disconnected */
 	if ((hw->phy.type == e1000_phy_82577) &&
 	    !(er32(STATUS) & E1000_STATUS_LU)) {
@@ -2508,10 +2659,6 @@ s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data)
 		goto out;
 	}
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		goto out;
-
 	hw->phy.addr = e1000_get_phy_addr_for_hv_page(page);
 
 	if (page == HV_INTC_FC_PAGE_START)
@@ -2529,42 +2676,76 @@ s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data)
 			ret_val = e1000e_write_phy_reg_mdic(hw,
 			                             IGP01E1000_PHY_PAGE_SELECT,
 			                             (page << IGP_PAGE_SHIFT));
-			if (ret_val) {
-				hw->phy.ops.release_phy(hw);
-				goto out;
-			}
 			hw->phy.addr = phy_addr;
 		}
 	}
 
 	ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
 	                                  data);
-	hw->phy.ops.release_phy(hw);
-
 out:
 	/* Revert to MDIO fast mode, if applicable */
 	if ((hw->phy.type == e1000_phy_82577) && in_slow_mode)
 		ret_val = e1000_set_mdio_slow_mode_hv(hw, false);
 
+	if (!locked)
+		hw->phy.ops.release_phy(hw);
+
 	return ret_val;
 }
 
 /**
- *  e1000_write_phy_reg_hv - Write HV PHY register
+ *  e1000_read_phy_reg_hv -  Read HV PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Acquires semaphore then reads the PHY register at offset and stores
+ *  the retrieved information in data.  Release the acquired semaphore
+ *  before exiting.
+ **/
+s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	return __e1000_read_phy_reg_hv(hw, offset, data, false);
+}
+
+/**
+ *  e1000_read_phy_reg_hv_locked -  Read HV PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Reads the PHY register at offset and stores the retrieved information
+ *  in data.  Assumes semaphore already acquired.
+ **/
+s32 e1000_read_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	return __e1000_read_phy_reg_hv(hw, offset, data, true);
+}
+
+/**
+ *  __e1000_write_phy_reg_hv - Write HV PHY register
  *  @hw: pointer to the HW structure
  *  @offset: register offset to write to
  *  @data: data to write at register offset
+ *  @locked: semaphore has already been acquired or not
  *
  *  Acquires semaphore, if necessary, then writes the data to PHY register
  *  at the offset.  Release any acquired semaphores before exiting.
  **/
-s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data)
+static s32 __e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data,
+                                    bool locked)
 {
 	s32 ret_val;
 	u16 page = BM_PHY_REG_PAGE(offset);
 	u16 reg = BM_PHY_REG_NUM(offset);
 	bool in_slow_mode = false;
 
+	if (!locked) {
+		ret_val = hw->phy.ops.acquire_phy(hw);
+		if (ret_val)
+			return ret_val;
+	}
+
 	/* Workaround failure in MDIO access while cable is disconnected */
 	if ((hw->phy.type == e1000_phy_82577) &&
 	    !(er32(STATUS) & E1000_STATUS_LU)) {
@@ -2588,10 +2769,6 @@ s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data)
 		goto out;
 	}
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val)
-		goto out;
-
 	hw->phy.addr = e1000_get_phy_addr_for_hv_page(page);
 
 	if (page == HV_INTC_FC_PAGE_START)
@@ -2607,15 +2784,10 @@ s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data)
 	    ((MAX_PHY_REG_ADDRESS & reg) == 0) &&
 	    (data & (1 << 11))) {
 		u16 data2 = 0x7EFF;
-		hw->phy.ops.release_phy(hw);
 		ret_val = e1000_access_phy_debug_regs_hv(hw, (1 << 6) | 0x3,
 		                                         &data2, false);
 		if (ret_val)
 			goto out;
-
-		ret_val = hw->phy.ops.acquire_phy(hw);
-		if (ret_val)
-			goto out;
 	}
 
 	if (reg > MAX_PHY_MULTI_PAGE_REG) {
@@ -2630,26 +2802,52 @@ s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data)
 			ret_val = e1000e_write_phy_reg_mdic(hw,
 			                             IGP01E1000_PHY_PAGE_SELECT,
 			                             (page << IGP_PAGE_SHIFT));
-			if (ret_val) {
-				hw->phy.ops.release_phy(hw);
-				goto out;
-			}
 			hw->phy.addr = phy_addr;
 		}
 	}
 
 	ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & reg,
 	                                  data);
-	hw->phy.ops.release_phy(hw);
 
 out:
 	/* Revert to MDIO fast mode, if applicable */
 	if ((hw->phy.type == e1000_phy_82577) && in_slow_mode)
 		ret_val = e1000_set_mdio_slow_mode_hv(hw, false);
 
+	if (!locked)
+		hw->phy.ops.release_phy(hw);
+
 	return ret_val;
 }
 
+/**
+ *  e1000_write_phy_reg_hv - Write HV PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Acquires semaphore then writes the data to PHY register at the offset.
+ *  Release the acquired semaphores before exiting.
+ **/
+s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	return __e1000_write_phy_reg_hv(hw, offset, data, false);
+}
+
+/**
+ *  e1000_write_phy_reg_hv_locked - Write HV PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Writes the data to PHY register at the offset.  Assumes semaphore
+ *  already acquired.
+ **/
+s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	return __e1000_write_phy_reg_hv(hw, offset, data, true);
+}
+
 /**
  *  e1000_get_phy_addr_for_hv_page - Get PHY adrress based on page
  *  @page: page to be accessed
@@ -2671,10 +2869,9 @@ static u32 e1000_get_phy_addr_for_hv_page(u32 page)
  *  @data: pointer to the data to be read or written
  *  @read: determines if operation is read or written
  *
- *  Acquires semaphore, if necessary, then reads the PHY register at offset
- *  and storing the retreived information in data.  Release any acquired
- *  semaphores before exiting.  Note that the procedure to read these regs
- *  uses the address port and data port to read/write.
+ *  Reads the PHY register at offset and stores the retreived information
+ *  in data.  Assumes semaphore already acquired.  Note that the procedure
+ *  to read these regs uses the address port and data port to read/write.
  **/
 static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
                                           u16 *data, bool read)
@@ -2682,20 +2879,12 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
 	s32 ret_val;
 	u32 addr_reg = 0;
 	u32 data_reg = 0;
-	u8  phy_acquired = 1;
 
 	/* This takes care of the difference with desktop vs mobile phy */
 	addr_reg = (hw->phy.type == e1000_phy_82578) ?
 	           I82578_ADDR_REG : I82577_ADDR_REG;
 	data_reg = addr_reg + 1;
 
-	ret_val = hw->phy.ops.acquire_phy(hw);
-	if (ret_val) {
-		hw_dbg(hw, "Could not acquire PHY\n");
-		phy_acquired = 0;
-		goto out;
-	}
-
 	/* All operations in this function are phy address 2 */
 	hw->phy.addr = 2;
 
@@ -2718,8 +2907,6 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
 	}
 
 out:
-	if (phy_acquired == 1)
-		hw->phy.ops.release_phy(hw);
 	return ret_val;
 }
 

drivers/net/ifb.c

@@ -98,12 +98,13 @@ static void ri_tasklet(unsigned long dev)
 		stats->tx_packets++;
 		stats->tx_bytes +=skb->len;
 
-		skb->dev = __dev_get_by_index(&init_net, skb->iif);
+		skb->dev = dev_get_by_index(&init_net, skb->iif);
 		if (!skb->dev) {
 			dev_kfree_skb(skb);
 			stats->tx_dropped++;
 			break;
 		}
+		dev_put(skb->dev);
 		skb->iif = _dev->ifindex;
 
 		if (from & AT_EGRESS) {

drivers/net/igb/igb_ethtool.c

@@ -732,7 +732,7 @@ static int igb_set_ringparam(struct net_device *netdev,
 {
 	struct igb_adapter *adapter = netdev_priv(netdev);
 	struct igb_ring *temp_ring;
-	int i, err;
+	int i, err = 0;
 	u32 new_rx_count, new_tx_count;
 
 	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
@@ -752,18 +752,30 @@ static int igb_set_ringparam(struct net_device *netdev,
 		return 0;
 	}
 
+	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
+		msleep(1);
+
+	if (!netif_running(adapter->netdev)) {
+		for (i = 0; i < adapter->num_tx_queues; i++)
+			adapter->tx_ring[i].count = new_tx_count;
+		for (i = 0; i < adapter->num_rx_queues; i++)
+			adapter->rx_ring[i].count = new_rx_count;
+		adapter->tx_ring_count = new_tx_count;
+		adapter->rx_ring_count = new_rx_count;
+		goto clear_reset;
+	}
+
 	if (adapter->num_tx_queues > adapter->num_rx_queues)
 		temp_ring = vmalloc(adapter->num_tx_queues * sizeof(struct igb_ring));
 	else
 		temp_ring = vmalloc(adapter->num_rx_queues * sizeof(struct igb_ring));
-	if (!temp_ring)
-		return -ENOMEM;
 
-	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
-		msleep(1);
+	if (!temp_ring) {
+		err = -ENOMEM;
+		goto clear_reset;
+	}
 
-	if (netif_running(adapter->netdev))
-		igb_down(adapter);
+	igb_down(adapter);
 
 	/*
 	 * We can't just free everything and then setup again,
@@ -820,14 +832,11 @@ static int igb_set_ringparam(struct net_device *netdev,
 
 		adapter->rx_ring_count = new_rx_count;
 	}
-
-	err = 0;
 err_setup:
-	if (netif_running(adapter->netdev))
-		igb_up(adapter);
-
-	clear_bit(__IGB_RESETTING, &adapter->state);
+	igb_up(adapter);
 	vfree(temp_ring);
+clear_reset:
+	clear_bit(__IGB_RESETTING, &adapter->state);
 	return err;
 }
 

drivers/net/igbvf/ethtool.c

@@ -279,7 +279,7 @@ static int igbvf_set_ringparam(struct net_device *netdev,
 {
 	struct igbvf_adapter *adapter = netdev_priv(netdev);
 	struct igbvf_ring *temp_ring;
-	int err;
+	int err = 0;
 	u32 new_rx_count, new_tx_count;
 
 	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
@@ -299,15 +299,22 @@ static int igbvf_set_ringparam(struct net_device *netdev,
 		return 0;
 	}
 
-	temp_ring = vmalloc(sizeof(struct igbvf_ring));
-	if (!temp_ring)
-		return -ENOMEM;
-
 	while (test_and_set_bit(__IGBVF_RESETTING, &adapter->state))
 		msleep(1);
 
-	if (netif_running(adapter->netdev))
-		igbvf_down(adapter);
+	if (!netif_running(adapter->netdev)) {
+		adapter->tx_ring->count = new_tx_count;
+		adapter->rx_ring->count = new_rx_count;
+		goto clear_reset;
+	}
+
+	temp_ring = vmalloc(sizeof(struct igbvf_ring));
+	if (!temp_ring) {
+		err = -ENOMEM;
+		goto clear_reset;
+	}
+
+	igbvf_down(adapter);
 
 	/*
 	 * We can't just free everything and then setup again,
@@ -339,14 +346,11 @@ static int igbvf_set_ringparam(struct net_device *netdev,
 
 		memcpy(adapter->rx_ring, temp_ring,sizeof(struct igbvf_ring));
 	}
-
-	err = 0;
 err_setup:
-	if (netif_running(adapter->netdev))
-		igbvf_up(adapter);
-
-	clear_bit(__IGBVF_RESETTING, &adapter->state);
+	igbvf_up(adapter);
 	vfree(temp_ring);
+clear_reset:
+	clear_bit(__IGBVF_RESETTING, &adapter->state);
 	return err;
 }
 

drivers/net/ixgbe/ixgbe_ethtool.c

@@ -798,7 +798,7 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
-	int i, err;
+	int i, err = 0;
 	u32 new_rx_count, new_tx_count;
 	bool need_update = false;
 
@@ -822,6 +822,16 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
 	while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 		msleep(1);
 
+	if (!netif_running(adapter->netdev)) {
+		for (i = 0; i < adapter->num_tx_queues; i++)
+			adapter->tx_ring[i].count = new_tx_count;
+		for (i = 0; i < adapter->num_rx_queues; i++)
+			adapter->rx_ring[i].count = new_rx_count;
+		adapter->tx_ring_count = new_tx_count;
+		adapter->rx_ring_count = new_rx_count;
+		goto err_setup;
+	}
+
 	temp_tx_ring = kcalloc(adapter->num_tx_queues,
 	                       sizeof(struct ixgbe_ring), GFP_KERNEL);
 	if (!temp_tx_ring) {
@@ -879,8 +889,7 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
 
 	/* if rings need to be updated, here's the place to do it in one shot */
 	if (need_update) {
-		if (netif_running(netdev))
-			ixgbe_down(adapter);
+		ixgbe_down(adapter);
 
 		/* tx */
 		if (new_tx_count != adapter->tx_ring_count) {
@@ -897,13 +906,8 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
 			temp_rx_ring = NULL;
 			adapter->rx_ring_count = new_rx_count;
 		}
-	}
-
-	/* success! */
-	err = 0;
-	if (netif_running(netdev))
 		ixgbe_up(adapter);
-
+	}
 err_setup:
 	clear_bit(__IXGBE_RESETTING, &adapter->state);
 	return err;

drivers/net/myri10ge/myri10ge.c

@@ -75,7 +75,7 @@
 #include "myri10ge_mcp.h"
 #include "myri10ge_mcp_gen_header.h"
 
-#define MYRI10GE_VERSION_STR "1.5.0-1.432"
+#define MYRI10GE_VERSION_STR "1.5.1-1.451"
 
 MODULE_DESCRIPTION("Myricom 10G driver (10GbE)");
 MODULE_AUTHOR("Maintainer: help@myri.com");
@@ -1624,10 +1624,21 @@ myri10ge_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
 			return 0;
 		}
 	}
-	if (*ptr == 'R' || *ptr == 'Q') {
-		/* We've found either an XFP or quad ribbon fiber */
+	if (*ptr == '2')
+		ptr++;
+	if (*ptr == 'R' || *ptr == 'Q' || *ptr == 'S') {
+		/* We've found either an XFP, quad ribbon fiber, or SFP+ */
 		cmd->port = PORT_FIBRE;
+		cmd->supported |= SUPPORTED_FIBRE;
+		cmd->advertising |= ADVERTISED_FIBRE;
+	} else {
+		cmd->port = PORT_OTHER;
 	}
+	if (*ptr == 'R' || *ptr == 'S')
+		cmd->transceiver = XCVR_EXTERNAL;
+	else
+		cmd->transceiver = XCVR_INTERNAL;
+
 	return 0;
 }
 

drivers/net/netxen/netxen_nic_hdr.h

@@ -419,6 +419,7 @@ enum {
 #define NETXEN_CRB_ROMUSB	\
 	NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_ROMUSB)
 #define NETXEN_CRB_I2Q		NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_I2Q)
+#define NETXEN_CRB_I2C0		NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_I2C0)
 #define NETXEN_CRB_SMB		NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_SMB)
 #define NETXEN_CRB_MAX		NETXEN_PCI_CRB_WINDOW(64)
 

drivers/net/netxen/netxen_nic_hw.c

@@ -1901,22 +1901,16 @@ netxen_setup_hwops(struct netxen_adapter *adapter)
 
 int netxen_nic_get_board_info(struct netxen_adapter *adapter)
 {
-	int offset, board_type, magic, header_version;
+	int offset, board_type, magic;
 	struct pci_dev *pdev = adapter->pdev;
 
 	offset = NX_FW_MAGIC_OFFSET;
 	if (netxen_rom_fast_read(adapter, offset, &magic))
 		return -EIO;
 
-	offset = NX_HDR_VERSION_OFFSET;
-	if (netxen_rom_fast_read(adapter, offset, &header_version))
-		return -EIO;
-
-	if (magic != NETXEN_BDINFO_MAGIC ||
-			header_version != NETXEN_BDINFO_VERSION) {
-		dev_err(&pdev->dev,
-			"invalid board config, magic=%08x, version=%08x\n",
-			magic, header_version);
+	if (magic != NETXEN_BDINFO_MAGIC) {
+		dev_err(&pdev->dev, "invalid board config, magic=%08x\n",
+			magic);
 		return -EIO;
 	}
 

drivers/net/netxen/netxen_nic_init.c

@@ -531,6 +531,8 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 			continue;
 
 		if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+			if (off == (NETXEN_CRB_I2C0 + 0x1c))
+				continue;
 			/* do not reset PCI */
 			if (off == (ROMUSB_GLB + 0xbc))
 				continue;
@@ -553,12 +555,6 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 				continue;
 		}
 
-		if (off == NETXEN_ADDR_ERROR) {
-			printk(KERN_ERR "%s: Err: Unknown addr: 0x%08x\n",
-					netxen_nic_driver_name, buf[i].addr);
-			continue;
-		}
-
 		init_delay = 1;
 		/* After writing this register, HW needs time for CRB */
 		/* to quiet down (else crb_window returns 0xffffffff) */

drivers/net/netxen/netxen_nic_main.c

@@ -1919,6 +1919,7 @@ static void netxen_tx_timeout_task(struct work_struct *work)
 
 request_reset:
 	adapter->need_fw_reset = 1;
+	clear_bit(__NX_RESETTING, &adapter->state);
 }
 
 struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)

drivers/net/pppoe.c

@@ -111,9 +111,6 @@ struct pppoe_net {
 	rwlock_t hash_lock;
 };
 
-/* to eliminate a race btw pppoe_flush_dev and pppoe_release */
-static DEFINE_SPINLOCK(flush_lock);
-
 /*
  * PPPoE could be in the following stages:
  * 1) Discovery stage (to obtain remote MAC and Session ID)
@@ -303,45 +300,48 @@ static void pppoe_flush_dev(struct net_device *dev)
 	write_lock_bh(&pn->hash_lock);
 	for (i = 0; i < PPPOE_HASH_SIZE; i++) {
 		struct pppox_sock *po = pn->hash_table[i];
+		struct sock *sk;
 
-		while (po != NULL) {
-			struct sock *sk;
-			if (po->pppoe_dev != dev) {
+		while (po) {
+			while (po && po->pppoe_dev != dev) {
 				po = po->next;
-				continue;
 			}
+
+			if (!po)
+				break;
+
 			sk = sk_pppox(po);
-			spin_lock(&flush_lock);
-			po->pppoe_dev = NULL;
-			spin_unlock(&flush_lock);
-			dev_put(dev);
 
 			/* We always grab the socket lock, followed by the
-			 * hash_lock, in that order.  Since we should
-			 * hold the sock lock while doing any unbinding,
-			 * we need to release the lock we're holding.
-			 * Hold a reference to the sock so it doesn't disappear
-			 * as we're jumping between locks.
+			 * hash_lock, in that order.  Since we should hold the
+			 * sock lock while doing any unbinding, we need to
+			 * release the lock we're holding.  Hold a reference to
+			 * the sock so it doesn't disappear as we're jumping
+			 * between locks.
 			 */
 
 			sock_hold(sk);
-
 			write_unlock_bh(&pn->hash_lock);
 			lock_sock(sk);
 
-			if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) {
+			if (po->pppoe_dev == dev
+			    && sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) {
 				pppox_unbind_sock(sk);
 				sk->sk_state = PPPOX_ZOMBIE;
 				sk->sk_state_change(sk);
+				po->pppoe_dev = NULL;
+				dev_put(dev);
 			}
 
 			release_sock(sk);
 			sock_put(sk);
 
-			/* Restart scan at the beginning of this hash chain.
-			 * While the lock was dropped the chain contents may
-			 * have changed.
+			/* Restart the process from the start of the current
+			 * hash chain. We dropped locks so the world may have
+			 * change from underneath us.
 			 */
+
+			BUG_ON(pppoe_pernet(dev_net(dev)) == NULL);
 			write_lock_bh(&pn->hash_lock);
 			po = pn->hash_table[i];
 		}
@@ -388,11 +388,16 @@ static int pppoe_rcv_core(struct sock *sk, struct sk_buff *skb)
 	struct pppox_sock *po = pppox_sk(sk);
 	struct pppox_sock *relay_po;
 
+	/* Backlog receive. Semantics of backlog rcv preclude any code from
+	 * executing in lock_sock()/release_sock() bounds; meaning sk->sk_state
+	 * can't change.
+	 */
+
 	if (sk->sk_state & PPPOX_BOUND) {
 		ppp_input(&po->chan, skb);
 	} else if (sk->sk_state & PPPOX_RELAY) {
-		relay_po = get_item_by_addr(dev_net(po->pppoe_dev),
-						&po->pppoe_relay);
+		relay_po = get_item_by_addr(sock_net(sk),
+					    &po->pppoe_relay);
 		if (relay_po == NULL)
 			goto abort_kfree;
 
@@ -447,6 +452,10 @@ static int pppoe_rcv(struct sk_buff *skb, struct net_device *dev,
 		goto drop;
 
 	pn = pppoe_pernet(dev_net(dev));
+
+	/* Note that get_item does a sock_hold(), so sk_pppox(po)
+	 * is known to be safe.
+	 */
 	po = get_item(pn, ph->sid, eth_hdr(skb)->h_source, dev->ifindex);
 	if (!po)
 		goto drop;
@@ -561,6 +570,7 @@ static int pppoe_release(struct socket *sock)
 	struct sock *sk = sock->sk;
 	struct pppox_sock *po;
 	struct pppoe_net *pn;
+	struct net *net = NULL;
 
 	if (!sk)
 		return 0;
@@ -571,44 +581,28 @@ static int pppoe_release(struct socket *sock)
 		return -EBADF;
 	}
 
+	po = pppox_sk(sk);
+
+	if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) {
+		dev_put(po->pppoe_dev);
+		po->pppoe_dev = NULL;
+	}
+
 	pppox_unbind_sock(sk);
 
 	/* Signal the death of the socket. */
 	sk->sk_state = PPPOX_DEAD;
 
-	/*
-	 * pppoe_flush_dev could lead to a race with
-	 * this routine so we use flush_lock to eliminate
-	 * such a case (we only need per-net specific data)
-	 */
-	spin_lock(&flush_lock);
-	po = pppox_sk(sk);
-	if (!po->pppoe_dev) {
-		spin_unlock(&flush_lock);
-		goto out;
-	}
-	pn = pppoe_pernet(dev_net(po->pppoe_dev));
-	spin_unlock(&flush_lock);
+	net = sock_net(sk);
+	pn = pppoe_pernet(net);
 
 	/*
 	 * protect "po" from concurrent updates
 	 * on pppoe_flush_dev
 	 */
-	write_lock_bh(&pn->hash_lock);
+	delete_item(pn, po->pppoe_pa.sid, po->pppoe_pa.remote,
+		    po->pppoe_ifindex);
 
-	po = pppox_sk(sk);
-	if (stage_session(po->pppoe_pa.sid))
-		__delete_item(pn, po->pppoe_pa.sid, po->pppoe_pa.remote,
-				po->pppoe_ifindex);
-
-	if (po->pppoe_dev) {
-		dev_put(po->pppoe_dev);
-		po->pppoe_dev = NULL;
-	}
-
-	write_unlock_bh(&pn->hash_lock);
-
-out:
 	sock_orphan(sk);
 	sock->sk = NULL;
 
@@ -625,8 +619,9 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
 	struct sock *sk = sock->sk;
 	struct sockaddr_pppox *sp = (struct sockaddr_pppox *)uservaddr;
 	struct pppox_sock *po = pppox_sk(sk);
-	struct net_device *dev;
+	struct net_device *dev = NULL;
 	struct pppoe_net *pn;
+	struct net *net = NULL;
 	int error;
 
 	lock_sock(sk);
@@ -652,12 +647,14 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
 	/* Delete the old binding */
 	if (stage_session(po->pppoe_pa.sid)) {
 		pppox_unbind_sock(sk);
+		pn = pppoe_pernet(sock_net(sk));
+		delete_item(pn, po->pppoe_pa.sid,
+			    po->pppoe_pa.remote, po->pppoe_ifindex);
 		if (po->pppoe_dev) {
-			pn = pppoe_pernet(dev_net(po->pppoe_dev));
-			delete_item(pn, po->pppoe_pa.sid,
-				po->pppoe_pa.remote, po->pppoe_ifindex);
 			dev_put(po->pppoe_dev);
+			po->pppoe_dev = NULL;
 		}
+
 		memset(sk_pppox(po) + 1, 0,
 		       sizeof(struct pppox_sock) - sizeof(struct sock));
 		sk->sk_state = PPPOX_NONE;
@@ -666,16 +663,15 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
 	/* Re-bind in session stage only */
 	if (stage_session(sp->sa_addr.pppoe.sid)) {
 		error = -ENODEV;
-		dev = dev_get_by_name(sock_net(sk), sp->sa_addr.pppoe.dev);
+		net = sock_net(sk);
+		dev = dev_get_by_name(net, sp->sa_addr.pppoe.dev);
 		if (!dev)
-			goto end;
+			goto err_put;
 
 		po->pppoe_dev = dev;
 		po->pppoe_ifindex = dev->ifindex;
-		pn = pppoe_pernet(dev_net(dev));
-		write_lock_bh(&pn->hash_lock);
+		pn = pppoe_pernet(net);
 		if (!(dev->flags & IFF_UP)) {
-			write_unlock_bh(&pn->hash_lock);
 			goto err_put;
 		}
 
@@ -683,6 +679,7 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
 		       &sp->sa_addr.pppoe,
 		       sizeof(struct pppoe_addr));
 
+		write_lock_bh(&pn->hash_lock);
 		error = __set_item(pn, po);
 		write_unlock_bh(&pn->hash_lock);
 		if (error < 0)
@@ -696,8 +693,11 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr,
 		po->chan.ops = &pppoe_chan_ops;
 
 		error = ppp_register_net_channel(dev_net(dev), &po->chan);
-		if (error)
+		if (error) {
+			delete_item(pn, po->pppoe_pa.sid,
+				    po->pppoe_pa.remote, po->pppoe_ifindex);
 			goto err_put;
+		}
 
 		sk->sk_state = PPPOX_CONNECTED;
 	}
@@ -915,6 +915,14 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
 	struct pppoe_hdr *ph;
 	int data_len = skb->len;
 
+	/* The higher-level PPP code (ppp_unregister_channel()) ensures the PPP
+	 * xmit operations conclude prior to an unregistration call.  Thus
+	 * sk->sk_state cannot change, so we don't need to do lock_sock().
+	 * But, we also can't do a lock_sock since that introduces a potential
+	 * deadlock as we'd reverse the lock ordering used when calling
+	 * ppp_unregister_channel().
+	 */
+
 	if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED))
 		goto abort;
 
@@ -944,7 +952,6 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
 			po->pppoe_pa.remote, NULL, data_len);
 
 	dev_queue_xmit(skb);
-
 	return 1;
 
 abort:

drivers/net/qlge/qlge.h

@@ -95,6 +95,7 @@ enum {
 
 	/* Misc. stuff */
 	MAILBOX_COUNT = 16,
+	MAILBOX_TIMEOUT = 5,
 
 	PROC_ADDR_RDY = (1 << 31),
 	PROC_ADDR_R = (1 << 30),

drivers/net/qlge/qlge_main.c

@@ -3916,6 +3916,7 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
 		goto err_out;
 	}
 
+	pci_save_state(pdev);
 	qdev->reg_base =
 	    ioremap_nocache(pci_resource_start(pdev, 1),
 			    pci_resource_len(pdev, 1));
@@ -4070,6 +4071,33 @@ static void __devexit qlge_remove(struct pci_dev *pdev)
 	free_netdev(ndev);
 }
 
+/* Clean up resources without touching hardware. */
+static void ql_eeh_close(struct net_device *ndev)
+{
+	int i;
+	struct ql_adapter *qdev = netdev_priv(ndev);
+
+	if (netif_carrier_ok(ndev)) {
+		netif_carrier_off(ndev);
+		netif_stop_queue(ndev);
+	}
+
+	if (test_bit(QL_ADAPTER_UP, &qdev->flags))
+		cancel_delayed_work_sync(&qdev->asic_reset_work);
+	cancel_delayed_work_sync(&qdev->mpi_reset_work);
+	cancel_delayed_work_sync(&qdev->mpi_work);
+	cancel_delayed_work_sync(&qdev->mpi_idc_work);
+	cancel_delayed_work_sync(&qdev->mpi_port_cfg_work);
+
+	for (i = 0; i < qdev->rss_ring_count; i++)
+		netif_napi_del(&qdev->rx_ring[i].napi);
+
+	clear_bit(QL_ADAPTER_UP, &qdev->flags);
+	ql_tx_ring_clean(qdev);
+	ql_free_rx_buffers(qdev);
+	ql_release_adapter_resources(qdev);
+}
+
 /*
  * This callback is called by the PCI subsystem whenever
  * a PCI bus error is detected.
@@ -4078,17 +4106,21 @@ static pci_ers_result_t qlge_io_error_detected(struct pci_dev *pdev,
 					       enum pci_channel_state state)
 {
 	struct net_device *ndev = pci_get_drvdata(pdev);
-	struct ql_adapter *qdev = netdev_priv(ndev);
-
-	netif_device_detach(ndev);
 
-	if (state == pci_channel_io_perm_failure)
+	switch (state) {
+	case pci_channel_io_normal:
+		return PCI_ERS_RESULT_CAN_RECOVER;
+	case pci_channel_io_frozen:
+		netif_device_detach(ndev);
+		if (netif_running(ndev))
+			ql_eeh_close(ndev);
+		pci_disable_device(pdev);
+		return PCI_ERS_RESULT_NEED_RESET;
+	case pci_channel_io_perm_failure:
+		dev_err(&pdev->dev,
+			"%s: pci_channel_io_perm_failure.\n", __func__);
 		return PCI_ERS_RESULT_DISCONNECT;
-
-	if (netif_running(ndev))
-		ql_adapter_down(qdev);
-
-	pci_disable_device(pdev);
+	}
 
 	/* Request a slot reset. */
 	return PCI_ERS_RESULT_NEED_RESET;
@@ -4105,25 +4137,15 @@ static pci_ers_result_t qlge_io_slot_reset(struct pci_dev *pdev)
 	struct net_device *ndev = pci_get_drvdata(pdev);
 	struct ql_adapter *qdev = netdev_priv(ndev);
 
+	pdev->error_state = pci_channel_io_normal;
+
+	pci_restore_state(pdev);
 	if (pci_enable_device(pdev)) {
 		QPRINTK(qdev, IFUP, ERR,
 			"Cannot re-enable PCI device after reset.\n");
 		return PCI_ERS_RESULT_DISCONNECT;
 	}
-
 	pci_set_master(pdev);
-
-	netif_carrier_off(ndev);
-	ql_adapter_reset(qdev);
-
-	/* Make sure the EEPROM is good */
-	memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);
-
-	if (!is_valid_ether_addr(ndev->perm_addr)) {
-		QPRINTK(qdev, IFUP, ERR, "After reset, invalid MAC address.\n");
-		return PCI_ERS_RESULT_DISCONNECT;
-	}
-
 	return PCI_ERS_RESULT_RECOVERED;
 }
 
@@ -4131,17 +4153,21 @@ static void qlge_io_resume(struct pci_dev *pdev)
 {
 	struct net_device *ndev = pci_get_drvdata(pdev);
 	struct ql_adapter *qdev = netdev_priv(ndev);
+	int err = 0;
 
-	pci_set_master(pdev);
-
+	if (ql_adapter_reset(qdev))
+		QPRINTK(qdev, DRV, ERR, "reset FAILED!\n");
 	if (netif_running(ndev)) {
-		if (ql_adapter_up(qdev)) {
+		err = qlge_open(ndev);
+		if (err) {
 			QPRINTK(qdev, IFUP, ERR,
 				"Device initialization failed after reset.\n");
 			return;
 		}
+	} else {
+		QPRINTK(qdev, IFUP, ERR,
+			"Device was not running prior to EEH.\n");
 	}
-
 	netif_device_attach(ndev);
 }
 

drivers/net/qlge/qlge_mpi.c

@@ -470,7 +470,8 @@ static int ql_mpi_handler(struct ql_adapter *qdev, struct mbox_params *mbcp)
  */
 static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp)
 {
-	int status, count;
+	int status;
+	unsigned long count;
 
 
 	/* Begin polled mode for MPI */
@@ -491,9 +492,9 @@ static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp)
 	/* Wait for the command to complete. We loop
 	 * here because some AEN might arrive while
 	 * we're waiting for the mailbox command to
-	 * complete. If more than 5 arrive then we can
+	 * complete. If more than 5 seconds expire we can
 	 * assume something is wrong. */
-	count = 5;
+	count = jiffies + HZ * MAILBOX_TIMEOUT;
 	do {
 		/* Wait for the interrupt to come in. */
 		status = ql_wait_mbx_cmd_cmplt(qdev);
@@ -517,15 +518,15 @@ static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp)
 					MB_CMD_STS_GOOD) ||
 			((mbcp->mbox_out[0] & 0x0000f000) ==
 					MB_CMD_STS_INTRMDT))
-			break;
-	} while (--count);
+			goto done;
+	} while (time_before(jiffies, count));
 
-	if (!count) {
-		QPRINTK(qdev, DRV, ERR,
-			"Timed out waiting for mailbox complete.\n");
-		status = -ETIMEDOUT;
-		goto end;
-	}
+	QPRINTK(qdev, DRV, ERR,
+		"Timed out waiting for mailbox complete.\n");
+	status = -ETIMEDOUT;
+	goto end;
+
+done:
 
 	/* Now we can clear the interrupt condition
 	 * and look at our status.

drivers/net/r8169.c

@@ -1029,7 +1029,10 @@ static void rtl8169_vlan_rx_register(struct net_device *dev,
 
 	spin_lock_irqsave(&tp->lock, flags);
 	tp->vlgrp = grp;
-	if (tp->vlgrp)
+	/*
+	 * Do not disable RxVlan on 8110SCd.
+	 */
+	if (tp->vlgrp || (tp->mac_version == RTL_GIGA_MAC_VER_05))
 		tp->cp_cmd |= RxVlan;
 	else
 		tp->cp_cmd &= ~RxVlan;
@@ -3197,6 +3200,14 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	}
 
 	rtl8169_init_phy(dev, tp);
+
+	/*
+	 * Pretend we are using VLANs; This bypasses a nasty bug where
+	 * Interrupts stop flowing on high load on 8110SCd controllers.
+	 */
+	if (tp->mac_version == RTL_GIGA_MAC_VER_05)
+		RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | RxVlan);
+
 	device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
 
 out:

drivers/net/sfc/rx.c

@@ -444,7 +444,8 @@ static void efx_rx_packet__check_len(struct efx_rx_queue *rx_queue,
  * the appropriate LRO method
  */
 static void efx_rx_packet_lro(struct efx_channel *channel,
-			      struct efx_rx_buffer *rx_buf)
+			      struct efx_rx_buffer *rx_buf,
+			      bool checksummed)
 {
 	struct napi_struct *napi = &channel->napi_str;
 
@@ -466,7 +467,8 @@ static void efx_rx_packet_lro(struct efx_channel *channel,
 		skb->len = rx_buf->len;
 		skb->data_len = rx_buf->len;
 		skb->truesize += rx_buf->len;
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
+		skb->ip_summed =
+			checksummed ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE;
 
 		napi_gro_frags(napi);
 
@@ -475,6 +477,7 @@ static void efx_rx_packet_lro(struct efx_channel *channel,
 		rx_buf->page = NULL;
 	} else {
 		EFX_BUG_ON_PARANOID(!rx_buf->skb);
+		EFX_BUG_ON_PARANOID(!checksummed);
 
 		napi_gro_receive(napi, rx_buf->skb);
 		rx_buf->skb = NULL;
@@ -570,7 +573,7 @@ void __efx_rx_packet(struct efx_channel *channel,
 	}
 
 	if (likely(checksummed || rx_buf->page)) {
-		efx_rx_packet_lro(channel, rx_buf);
+		efx_rx_packet_lro(channel, rx_buf, checksummed);
 		goto done;
 	}
 

drivers/net/sh_eth.c

@@ -30,6 +30,7 @@
 #include <linux/phy.h>
 #include <linux/cache.h>
 #include <linux/io.h>
+#include <asm/cacheflush.h>
 
 #include "sh_eth.h"
 

drivers/net/usb/dm9601.c

@@ -649,6 +649,10 @@ static const struct usb_device_id products[] = {
 	USB_DEVICE(0x0fe6, 0x8101),	/* DM9601 USB to Fast Ethernet Adapter */
 	.driver_info = (unsigned long)&dm9601_info,
 	 },
+	{
+	 USB_DEVICE(0x0a46, 0x9000),	/* DM9000E */
+	 .driver_info = (unsigned long)&dm9601_info,
+	 },
 	{},			// END
 };
 

drivers/net/virtio_net.c

@@ -516,8 +516,7 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
 	/* Free up any pending old buffers before queueing new ones. */
 	free_old_xmit_skbs(vi);
 
-	/* Put new one in send queue and do transmit */
-	__skb_queue_head(&vi->send, skb);
+	/* Try to transmit */
 	capacity = xmit_skb(vi, skb);
 
 	/* This can happen with OOM and indirect buffers. */
@@ -531,8 +530,17 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
 		}
 		return NETDEV_TX_BUSY;
 	}
-
 	vi->svq->vq_ops->kick(vi->svq);
+
+	/*
+	 * Put new one in send queue.  You'd expect we'd need this before
+	 * xmit_skb calls add_buf(), since the callback can be triggered
+	 * immediately after that.  But since the callback just triggers
+	 * another call back here, normal network xmit locking prevents the
+	 * race.
+	 */
+	__skb_queue_head(&vi->send, skb);
+
 	/* Don't wait up for transmitted skbs to be freed. */
 	skb_orphan(skb);
 	nf_reset(skb);

drivers/net/wireless/airo.c

@@ -4790,9 +4790,8 @@ static int proc_stats_rid_open( struct inode *inode,
 static int get_dec_u16( char *buffer, int *start, int limit ) {
 	u16 value;
 	int valid = 0;
-	for( value = 0; buffer[*start] >= '0' &&
-		     buffer[*start] <= '9' &&
-		     *start < limit; (*start)++ ) {
+	for (value = 0; *start < limit && buffer[*start] >= '0' &&
+			buffer[*start] <= '9'; (*start)++) {
 		valid = 1;
 		value *= 10;
 		value += buffer[*start] - '0';

drivers/net/wireless/b43/leds.h

@@ -1,6 +1,7 @@
 #ifndef B43_LEDS_H_
 #define B43_LEDS_H_
 
+struct b43_wl;
 struct b43_wldev;
 
 #ifdef CONFIG_B43_LEDS

drivers/net/wireless/b43/main.c

@@ -4501,7 +4501,6 @@ static void b43_op_stop(struct ieee80211_hw *hw)
 
 	cancel_work_sync(&(wl->beacon_update_trigger));
 
-	wiphy_rfkill_stop_polling(hw->wiphy);
 	mutex_lock(&wl->mutex);
 	if (b43_status(dev) >= B43_STAT_STARTED) {
 		dev = b43_wireless_core_stop(dev);

drivers/net/wireless/b43/rfkill.c

@@ -33,7 +33,8 @@ bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
 		      & B43_MMIO_RADIO_HWENABLED_HI_MASK))
 			return 1;
 	} else {
-		if (b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
+		if (b43_status(dev) >= B43_STAT_STARTED &&
+		    b43_read16(dev, B43_MMIO_RADIO_HWENABLED_LO)
 		    & B43_MMIO_RADIO_HWENABLED_LO_MASK)
 			return 1;
 	}

drivers/net/wireless/libertas/if_spi.c

@@ -134,7 +134,7 @@ static void spu_transaction_finish(struct if_spi_card *card)
 static int spu_write(struct if_spi_card *card, u16 reg, const u8 *buf, int len)
 {
 	int err = 0;
-	u16 reg_out = cpu_to_le16(reg | IF_SPI_WRITE_OPERATION_MASK);
+	__le16 reg_out = cpu_to_le16(reg | IF_SPI_WRITE_OPERATION_MASK);
 	struct spi_message m;
 	struct spi_transfer reg_trans;
 	struct spi_transfer data_trans;
@@ -166,7 +166,7 @@ static int spu_write(struct if_spi_card *card, u16 reg, const u8 *buf, int len)
 
 static inline int spu_write_u16(struct if_spi_card *card, u16 reg, u16 val)
 {
-	u16 buff;
+	__le16 buff;
 
 	buff = cpu_to_le16(val);
 	return spu_write(card, reg, (u8 *)&buff, sizeof(u16));
@@ -188,7 +188,7 @@ static int spu_read(struct if_spi_card *card, u16 reg, u8 *buf, int len)
 {
 	unsigned int delay;
 	int err = 0;
-	u16 reg_out = cpu_to_le16(reg | IF_SPI_READ_OPERATION_MASK);
+	__le16 reg_out = cpu_to_le16(reg | IF_SPI_READ_OPERATION_MASK);
 	struct spi_message m;
 	struct spi_transfer reg_trans;
 	struct spi_transfer dummy_trans;
@@ -235,7 +235,7 @@ static int spu_read(struct if_spi_card *card, u16 reg, u8 *buf, int len)
 /* Read 16 bits from an SPI register */
 static inline int spu_read_u16(struct if_spi_card *card, u16 reg, u16 *val)
 {
-	u16 buf;
+	__le16 buf;
 	int ret;
 
 	ret = spu_read(card, reg, (u8 *)&buf, sizeof(buf));
@@ -248,7 +248,7 @@ static inline int spu_read_u16(struct if_spi_card *card, u16 reg, u16 *val)
  * The low 16 bits are read first. */
 static int spu_read_u32(struct if_spi_card *card, u16 reg, u32 *val)
 {
-	u32 buf;
+	__le32 buf;
 	int err;
 
 	err = spu_read(card, reg, (u8 *)&buf, sizeof(buf));

drivers/net/wireless/rt2x00/rt2800usb.c

@@ -1994,7 +1994,7 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->ba_size);
 	rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
 			   test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
-			       (skbdesc->entry->entry_idx + 1) : 0xff);
+			   txdesc->key_idx : 0xff);
 	rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
 			   skb->len - txdesc->l2pad);
 	rt2x00_set_field32(&word, TXWI_W1_PACKETID,

net/core/pktgen.c

@@ -335,6 +335,7 @@ struct pktgen_dev {
 	__u32 cur_src_mac_offset;
 	__be32 cur_saddr;
 	__be32 cur_daddr;
+	__u16 ip_id;
 	__u16 cur_udp_dst;
 	__u16 cur_udp_src;
 	__u16 cur_queue_map;
@@ -2630,6 +2631,8 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
 	iph->protocol = IPPROTO_UDP;	/* UDP */
 	iph->saddr = pkt_dev->cur_saddr;
 	iph->daddr = pkt_dev->cur_daddr;
+	iph->id = htons(pkt_dev->ip_id);
+	pkt_dev->ip_id++;
 	iph->frag_off = 0;
 	iplen = 20 + 8 + datalen;
 	iph->tot_len = htons(iplen);
@@ -2641,24 +2644,26 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
 	skb->dev = odev;
 	skb->pkt_type = PACKET_HOST;
 
-	if (pkt_dev->nfrags <= 0)
+	if (pkt_dev->nfrags <= 0) {
 		pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
-	else {
+		memset(pgh + 1, 0, datalen - sizeof(struct pktgen_hdr));
+	} else {
 		int frags = pkt_dev->nfrags;
-		int i;
+		int i, len;
 
 		pgh = (struct pktgen_hdr *)(((char *)(udph)) + 8);
 
 		if (frags > MAX_SKB_FRAGS)
 			frags = MAX_SKB_FRAGS;
 		if (datalen > frags * PAGE_SIZE) {
-			skb_put(skb, datalen - frags * PAGE_SIZE);
+			len = datalen - frags * PAGE_SIZE;
+			memset(skb_put(skb, len), 0, len);
 			datalen = frags * PAGE_SIZE;
 		}
 
 		i = 0;
 		while (datalen > 0) {
-			struct page *page = alloc_pages(GFP_KERNEL, 0);
+			struct page *page = alloc_pages(GFP_KERNEL | __GFP_ZERO, 0);
 			skb_shinfo(skb)->frags[i].page = page;
 			skb_shinfo(skb)->frags[i].page_offset = 0;
 			skb_shinfo(skb)->frags[i].size =

net/ipv4/raw.c

@@ -352,13 +352,24 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 	skb->ip_summed = CHECKSUM_NONE;
 
 	skb->transport_header = skb->network_header;
-	err = memcpy_fromiovecend((void *)iph, from, 0, length);
-	if (err)
-		goto error_fault;
+	err = -EFAULT;
+	if (memcpy_fromiovecend((void *)iph, from, 0, length))
+		goto error_free;
 
-	/* We don't modify invalid header */
 	iphlen = iph->ihl * 4;
-	if (iphlen >= sizeof(*iph) && iphlen <= length) {
+
+	/*
+	 * We don't want to modify the ip header, but we do need to
+	 * be sure that it won't cause problems later along the network
+	 * stack.  Specifically we want to make sure that iph->ihl is a
+	 * sane value.  If ihl points beyond the length of the buffer passed
+	 * in, reject the frame as invalid
+	 */
+	err = -EINVAL;
+	if (iphlen > length)
+		goto error_free;
+
+	if (iphlen >= sizeof(*iph)) {
 		if (!iph->saddr)
 			iph->saddr = rt->rt_src;
 		iph->check   = 0;
@@ -381,8 +392,7 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 out:
 	return 0;
 
-error_fault:
-	err = -EFAULT;
+error_free:
 	kfree_skb(skb);
 error:
 	IP_INC_STATS(net, IPSTATS_MIB_OUTDISCARDS);

net/ipv4/tcp.c

@@ -1442,9 +1442,9 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 				goto found_ok_skb;
 			if (tcp_hdr(skb)->fin)
 				goto found_fin_ok;
-			if (WARN_ON(!(flags & MSG_PEEK)))
-				printk(KERN_INFO "recvmsg bug 2: copied %X "
-				       "seq %X\n", *seq, TCP_SKB_CB(skb)->seq);
+			WARN(!(flags & MSG_PEEK), KERN_INFO "recvmsg bug 2: "
+					"copied %X seq %X\n", *seq,
+					TCP_SKB_CB(skb)->seq);
 		}
 
 		/* Well, if we have backlog, try to process it now yet. */

net/mac80211/ibss.c

@@ -538,13 +538,12 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
 				       WLAN_CAPABILITY_PRIVACY,
 				       capability);
 
+	if (bss) {
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
-	if (bss)
 		printk(KERN_DEBUG "   sta_find_ibss: selected %pM current "
 		       "%pM\n", bss->cbss.bssid, ifibss->bssid);
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
 
-	if (bss && !memcmp(ifibss->bssid, bss->cbss.bssid, ETH_ALEN)) {
 		printk(KERN_DEBUG "%s: Selected IBSS BSSID %pM"
 		       " based on configured SSID\n",
 		       sdata->dev->name, bss->cbss.bssid);
@@ -552,8 +551,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
 		ieee80211_sta_join_ibss(sdata, bss);
 		ieee80211_rx_bss_put(local, bss);
 		return;
-	} else if (bss)
-		ieee80211_rx_bss_put(local, bss);
+	}
 
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
 	printk(KERN_DEBUG "   did not try to join ibss\n");

net/mac80211/mesh_hwmp.c

@@ -259,7 +259,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
  * @hwmp_ie: hwmp information element (PREP or PREQ)
  *
  * This function updates the path routing information to the originator and the
- * transmitter of a HWMP PREQ or PREP fram.
+ * transmitter of a HWMP PREQ or PREP frame.
  *
  * Returns: metric to frame originator or 0 if the frame should not be further
  * processed

net/mac80211/mlme.c

@@ -1457,8 +1457,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 	if (status_code != WLAN_STATUS_SUCCESS) {
 		printk(KERN_DEBUG "%s: AP denied association (code=%d)\n",
 		       sdata->dev->name, status_code);
-		list_del(&wk->list);
-		kfree(wk);
+		wk->state = IEEE80211_MGD_STATE_IDLE;
 		return RX_MGMT_CFG80211_ASSOC;
 	}
 

net/mac80211/tx.c

@@ -1445,7 +1445,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 				if (tmp_sdata->vif.type != NL80211_IFTYPE_AP)
 					continue;
 				if (compare_ether_addr(tmp_sdata->dev->dev_addr,
-						       hdr->addr2)) {
+						       hdr->addr2) == 0) {
 					dev_hold(tmp_sdata->dev);
 					dev_put(sdata->dev);
 					sdata = tmp_sdata;

net/packet/af_packet.c

@@ -982,10 +982,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
 		goto out_put;
 
 	size_max = po->tx_ring.frame_size
-		- sizeof(struct skb_shared_info)
-		- po->tp_hdrlen
-		- LL_ALLOCATED_SPACE(dev)
-		- sizeof(struct sockaddr_ll);
+		- (po->tp_hdrlen - sizeof(struct sockaddr_ll));
 
 	if (size_max > dev->mtu + reserve)
 		size_max = dev->mtu + reserve;

net/wireless/core.h

@@ -358,6 +358,7 @@ int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
 			      struct wireless_dev *wdev);
 
 void cfg80211_conn_work(struct work_struct *work);
+void cfg80211_sme_failed_assoc(struct wireless_dev *wdev);
 bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
 
 /* internal helpers */

net/wireless/mlme.c

@@ -62,6 +62,7 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
 	u8 *ie = mgmt->u.assoc_resp.variable;
 	int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
 	struct cfg80211_internal_bss *bss = NULL;
+	bool need_connect_result = true;
 
 	wdev_lock(wdev);
 
@@ -94,6 +95,14 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
 		}
 
 		WARN_ON(!bss);
+	} else if (wdev->conn) {
+		cfg80211_sme_failed_assoc(wdev);
+		need_connect_result = false;
+		/*
+		 * do not call connect_result() now because the
+		 * sme will schedule work that does it later.
+		 */
+		goto out;
 	}
 
 	if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) {

net/wireless/sme.c

@@ -26,6 +26,7 @@ struct cfg80211_conn {
 		CFG80211_CONN_AUTHENTICATING,
 		CFG80211_CONN_ASSOCIATE_NEXT,
 		CFG80211_CONN_ASSOCIATING,
+		CFG80211_CONN_DEAUTH_ASSOC_FAIL,
 	} state;
 	u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
 	u8 *ie;
@@ -148,6 +149,12 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
 					       NULL, 0,
 					       WLAN_REASON_DEAUTH_LEAVING);
 		return err;
+	case CFG80211_CONN_DEAUTH_ASSOC_FAIL:
+		__cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
+				       NULL, 0,
+				       WLAN_REASON_DEAUTH_LEAVING);
+		/* return an error so that we call __cfg80211_connect_result() */
+		return -EINVAL;
 	default:
 		return 0;
 	}
@@ -158,6 +165,7 @@ void cfg80211_conn_work(struct work_struct *work)
 	struct cfg80211_registered_device *rdev =
 		container_of(work, struct cfg80211_registered_device, conn_work);
 	struct wireless_dev *wdev;
+	u8 bssid[ETH_ALEN];
 
 	rtnl_lock();
 	cfg80211_lock_rdev(rdev);
@@ -173,10 +181,10 @@ void cfg80211_conn_work(struct work_struct *work)
 			wdev_unlock(wdev);
 			continue;
 		}
+		memcpy(bssid, wdev->conn->params.bssid, ETH_ALEN);
 		if (cfg80211_conn_do_work(wdev))
 			__cfg80211_connect_result(
-					wdev->netdev,
-					wdev->conn->params.bssid,
+					wdev->netdev, bssid,
 					NULL, 0, NULL, 0,
 					WLAN_STATUS_UNSPECIFIED_FAILURE,
 					false, NULL);
@@ -337,6 +345,15 @@ bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev)
 	return true;
 }
 
+void cfg80211_sme_failed_assoc(struct wireless_dev *wdev)
+{
+	struct wiphy *wiphy = wdev->wiphy;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+
+	wdev->conn->state = CFG80211_CONN_DEAUTH_ASSOC_FAIL;
+	schedule_work(&rdev->conn_work);
+}
+
 void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
 			       const u8 *req_ie, size_t req_ie_len,
 			       const u8 *resp_ie, size_t resp_ie_len,