mwifiex: report wakeup reason to cfg80211

This patch adds code to report wakeup reason to cfg80211
when system is resumed.

Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/marvell/mwifiex/cfg80211.c

@@ -3316,6 +3316,64 @@ static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
 
 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
 {
+	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
+	struct mwifiex_private *priv =
+		mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
+	struct mwifiex_ds_wakeup_reason wakeup_reason;
+	struct cfg80211_wowlan_wakeup wakeup_report;
+	int i;
+
+	mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
+				  &wakeup_reason);
+	memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
+
+	wakeup_report.pattern_idx = -1;
+
+	switch (wakeup_reason.hs_wakeup_reason) {
+	case NO_HSWAKEUP_REASON:
+		break;
+	case BCAST_DATA_MATCHED:
+		break;
+	case MCAST_DATA_MATCHED:
+		break;
+	case UCAST_DATA_MATCHED:
+		break;
+	case MASKTABLE_EVENT_MATCHED:
+		break;
+	case NON_MASKABLE_EVENT_MATCHED:
+		if (wiphy->wowlan_config->disconnect)
+			wakeup_report.disconnect = true;
+		if (wiphy->wowlan_config->nd_config)
+			wakeup_report.net_detect = adapter->nd_info;
+		break;
+	case NON_MASKABLE_CONDITION_MATCHED:
+		break;
+	case MAGIC_PATTERN_MATCHED:
+		if (wiphy->wowlan_config->magic_pkt)
+			wakeup_report.magic_pkt = true;
+		if (wiphy->wowlan_config->n_patterns)
+			wakeup_report.pattern_idx = 1;
+		break;
+	case CONTROL_FRAME_MATCHED:
+		break;
+	case	MANAGEMENT_FRAME_MATCHED:
+		break;
+	default:
+		break;
+	}
+
+	if ((wakeup_reason.hs_wakeup_reason > 0) &&
+	    (wakeup_reason.hs_wakeup_reason <= 7))
+		cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
+					      GFP_KERNEL);
+
+	if (adapter->nd_info) {
+		for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
+			kfree(adapter->nd_info->matches[i]);
+		kfree(adapter->nd_info);
+		adapter->nd_info = NULL;
+	}
+
 	return 0;
 }
 

drivers/net/wireless/marvell/mwifiex/cmdevt.c

@@ -1657,3 +1657,16 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 
 	return 0;
 }
+
+/* This function handles the command response of hs wakeup reason
+ * command.
+ */
+int mwifiex_ret_wakeup_reason(struct mwifiex_private *priv,
+			      struct host_cmd_ds_command *resp,
+			      struct host_cmd_ds_wakeup_reason *wakeup_reason)
+{
+	wakeup_reason->wakeup_reason =
+		resp->params.hs_wakeup_reason.wakeup_reason;
+
+	return 0;
+}

drivers/net/wireless/marvell/mwifiex/fw.h

@@ -373,6 +373,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
 #define HostCmd_CMD_MGMT_FRAME_REG                    0x010c
 #define HostCmd_CMD_REMAIN_ON_CHAN                    0x010d
 #define HostCmd_CMD_11AC_CFG			      0x0112
+#define HostCmd_CMD_HS_WAKEUP_REASON                  0x0116
 #define HostCmd_CMD_TDLS_CONFIG                       0x0100
 #define HostCmd_CMD_MC_POLICY                         0x0121
 #define HostCmd_CMD_TDLS_OPER                         0x0122
@@ -607,6 +608,20 @@ struct mwifiex_ie_types_data {
 #define MWIFIEX_RXPD_FLAGS_TDLS_PACKET      0x01
 #define MWIFIEX_TXPD_FLAGS_REQ_TX_STATUS    0x20
 
+enum HS_WAKEUP_REASON {
+	NO_HSWAKEUP_REASON = 0,
+	BCAST_DATA_MATCHED,
+	MCAST_DATA_MATCHED,
+	UCAST_DATA_MATCHED,
+	MASKTABLE_EVENT_MATCHED,
+	NON_MASKABLE_EVENT_MATCHED,
+	NON_MASKABLE_CONDITION_MATCHED,
+	MAGIC_PATTERN_MATCHED,
+	CONTROL_FRAME_MATCHED,
+	MANAGEMENT_FRAME_MATCHED,
+	RESERVED
+};
+
 struct txpd {
 	u8 bss_type;
 	u8 bss_num;
@@ -2159,6 +2174,10 @@ struct host_cmd_ds_robust_coex {
 	__le16 reserved;
 } __packed;
 
+struct host_cmd_ds_wakeup_reason {
+	u16  wakeup_reason;
+} __packed;
+
 struct host_cmd_ds_command {
 	__le16 command;
 	__le16 size;
@@ -2231,6 +2250,7 @@ struct host_cmd_ds_command {
 		struct host_cmd_sdio_sp_rx_aggr_cfg sdio_rx_aggr_cfg;
 		struct host_cmd_ds_multi_chan_policy mc_policy;
 		struct host_cmd_ds_robust_coex coex;
+		struct host_cmd_ds_wakeup_reason hs_wakeup_reason;
 	} params;
 } __packed;
 

drivers/net/wireless/marvell/mwifiex/ioctl.h

@@ -271,6 +271,10 @@ struct mwifiex_ds_hs_cfg {
 	u32 gap;
 };
 
+struct mwifiex_ds_wakeup_reason {
+	u16  hs_wakeup_reason;
+};
+
 #define DEEP_SLEEP_ON  1
 #define DEEP_SLEEP_OFF 0
 #define DEEP_SLEEP_IDLE_TIME	100

drivers/net/wireless/marvell/mwifiex/main.h

@@ -1599,6 +1599,12 @@ void mwifiex_drv_info_dump(struct mwifiex_adapter *adapter);
 void mwifiex_upload_device_dump(struct mwifiex_adapter *adapter);
 void *mwifiex_alloc_dma_align_buf(int rx_len, gfp_t flags);
 void mwifiex_queue_main_work(struct mwifiex_adapter *adapter);
+int mwifiex_get_wakeup_reason(struct mwifiex_private *priv, u16 action,
+			      int cmd_type,
+			      struct mwifiex_ds_wakeup_reason *wakeup_reason);
+int mwifiex_ret_wakeup_reason(struct mwifiex_private *priv,
+			      struct host_cmd_ds_command *resp,
+			      struct host_cmd_ds_wakeup_reason *wakeup_reason);
 void mwifiex_coex_ampdu_rxwinsize(struct mwifiex_adapter *adapter);
 void mwifiex_11n_delba(struct mwifiex_private *priv, int tid);
 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy);

drivers/net/wireless/marvell/mwifiex/sta_cmd.c

@@ -1813,6 +1813,22 @@ static int mwifiex_cmd_sdio_rx_aggr_cfg(struct host_cmd_ds_command *cmd,
 	return 0;
 }
 
+/* This function prepares command to get HS wakeup reason.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_get_wakeup_reason(struct mwifiex_private *priv,
+					 struct host_cmd_ds_command *cmd)
+{
+	cmd->command = cpu_to_le16(HostCmd_CMD_HS_WAKEUP_REASON);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_wakeup_reason) +
+				S_DS_GEN);
+
+	return 0;
+}
+
 /*
  * This function prepares the commands before sending them to the firmware.
  *
@@ -2067,6 +2083,9 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
 		ret = mwifiex_cmd_sdio_rx_aggr_cfg(cmd_ptr, cmd_action,
 						   data_buf);
 		break;
+	case HostCmd_CMD_HS_WAKEUP_REASON:
+		ret = mwifiex_cmd_get_wakeup_reason(priv, cmd_ptr);
+		break;
 	case HostCmd_CMD_MC_POLICY:
 		ret = mwifiex_cmd_set_mc_policy(priv, cmd_ptr, cmd_action,
 						data_buf);

drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c

@@ -1236,6 +1236,9 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
 	case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
 		ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp);
 		break;
+	case HostCmd_CMD_HS_WAKEUP_REASON:
+		ret = mwifiex_ret_wakeup_reason(priv, resp, data_buf);
+		break;
 	case HostCmd_CMD_TDLS_CONFIG:
 		break;
 	case HostCmd_CMD_ROBUST_COEX:

drivers/net/wireless/marvell/mwifiex/sta_ioctl.c

@@ -1465,3 +1465,19 @@ mwifiex_set_gen_ie(struct mwifiex_private *priv, const u8 *ie, int ie_len)
 
 	return 0;
 }
+
+/* This function get Host Sleep wake up reason.
+ *
+ */
+int mwifiex_get_wakeup_reason(struct mwifiex_private *priv, u16 action,
+			      int cmd_type,
+			      struct mwifiex_ds_wakeup_reason *wakeup_reason)
+{
+	int status = 0;
+
+	status = mwifiex_send_cmd(priv, HostCmd_CMD_HS_WAKEUP_REASON,
+				  HostCmd_ACT_GEN_GET, 0, wakeup_reason,
+				  cmd_type == MWIFIEX_SYNC_CMD);
+
+	return status;
+}