brcmfmac: separate connection status from scanning status

The connection status is to be kept per virtual interface and
the scanning status is for device. So they need to be separated
for multiple interface support.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c

@@ -100,11 +100,9 @@ static u32 brcmf_dbg_level = WL_DBG_ERR;
 
 static bool check_sys_up(struct brcmf_cfg80211_vif *vif)
 {
-	struct brcmf_cfg80211_info *cfg = wdev_priv(&vif->wdev);
-
-	if (!test_bit(WL_STATUS_READY, &cfg->status)) {
-		WL_INFO("device is not ready : status (%d)\n",
-			(int)cfg->status);
+	if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
+		WL_INFO("device is not ready : status (%lu)\n",
+			vif->sme_state);
 		return false;
 	}
 	return true;
@@ -457,6 +455,7 @@ brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
 			 enum nl80211_iftype type, u32 *flags,
 			 struct vif_params *params)
 {
+	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
 	s32 infra = 0;
 	s32 ap = 0;
@@ -488,7 +487,7 @@ brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev,
 	}
 
 	if (ap) {
-		set_bit(WL_STATUS_AP_CREATING, &cfg->status);
+		set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
 		if (!cfg->ap_info)
 			cfg->ap_info = kzalloc(sizeof(*cfg->ap_info),
 					       GFP_KERNEL);
@@ -519,11 +518,11 @@ done:
 
 static void brcmf_set_mpc(struct net_device *ndev, int mpc)
 {
+	struct brcmf_if *ifp = netdev_priv(ndev);
 	s32 err = 0;
-	struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev);
 
-	if (test_bit(WL_STATUS_READY, &cfg->status)) {
-		err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "mpc", mpc);
+	if (check_sys_up(ifp->vif)) {
+		err = brcmf_fil_iovar_int_set(ifp, "mpc", mpc);
 		if (err) {
 			WL_ERR("fail to set mpc\n");
 			return;
@@ -622,6 +621,7 @@ brcmf_cfg80211_iscan(struct wiphy *wiphy, struct net_device *ndev,
 		     struct cfg80211_scan_request *request,
 		     struct cfg80211_ssid *this_ssid)
 {
+	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev);
 	struct cfg80211_ssid *ssids;
 	struct brcmf_cfg80211_scan_req *sr = cfg->scan_req_int;
@@ -631,18 +631,17 @@ brcmf_cfg80211_iscan(struct wiphy *wiphy, struct net_device *ndev,
 	s32 err = 0;
 	u32 SSID_len;
 
-	if (test_bit(WL_STATUS_SCANNING, &cfg->status)) {
-		WL_ERR("Scanning already : status (%lu)\n", cfg->status);
+	if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
+		WL_ERR("Scanning already: status (%lu)\n", cfg->scan_status);
 		return -EAGAIN;
 	}
-	if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg->status)) {
-		WL_ERR("Scanning being aborted : status (%lu)\n",
-		       cfg->status);
+	if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
+		WL_ERR("Scanning being aborted: status (%lu)\n",
+		       cfg->scan_status);
 		return -EAGAIN;
 	}
-	if (test_bit(WL_STATUS_CONNECTING, &cfg->status)) {
-		WL_ERR("Connecting : status (%lu)\n",
-		       cfg->status);
+	if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
+		WL_ERR("Connecting: status (%lu)\n", ifp->vif->sme_state);
 		return -EAGAIN;
 	}
 
@@ -660,7 +659,7 @@ brcmf_cfg80211_iscan(struct wiphy *wiphy, struct net_device *ndev,
 	}
 
 	cfg->scan_request = request;
-	set_bit(WL_STATUS_SCANNING, &cfg->status);
+	set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
 	if (iscan_req) {
 		err = brcmf_do_iscan(cfg);
 		if (!err)
@@ -682,15 +681,14 @@ brcmf_cfg80211_iscan(struct wiphy *wiphy, struct net_device *ndev,
 		}
 
 		passive_scan = cfg->active_scan ? 0 : 1;
-		err = brcmf_fil_cmd_int_set(netdev_priv(ndev),
-					    BRCMF_C_SET_PASSIVE_SCAN,
+		err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
 					    passive_scan);
 		if (err) {
 			WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
 			goto scan_out;
 		}
 		brcmf_set_mpc(ndev, 0);
-		err = brcmf_fil_cmd_data_set(netdev_priv(ndev), BRCMF_C_SCAN,
+		err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
 					     &sr->ssid_le, sizeof(sr->ssid_le));
 		if (err) {
 			if (err == -EBUSY)
@@ -707,7 +705,7 @@ brcmf_cfg80211_iscan(struct wiphy *wiphy, struct net_device *ndev,
 	return 0;
 
 scan_out:
-	clear_bit(WL_STATUS_SCANNING, &cfg->status);
+	clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
 	cfg->scan_request = NULL;
 	return err;
 }
@@ -844,7 +842,7 @@ brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
 		cfg80211_scan_done(scan_request, aborted);
 		brcmf_set_mpc(ndev, 1);
 	}
-	if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) {
+	if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
 		WL_ERR("Scan complete while device not scanning\n");
 		return -EPERM;
 	}
@@ -932,6 +930,7 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev,
 		     struct cfg80211_scan_request *request,
 		     struct cfg80211_ssid *this_ssid)
 {
+	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev);
 	struct cfg80211_ssid *ssids;
 	struct brcmf_cfg80211_scan_req *sr = cfg->scan_req_int;
@@ -943,18 +942,17 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev,
 
 	WL_SCAN("START ESCAN\n");
 
-	if (test_bit(WL_STATUS_SCANNING, &cfg->status)) {
-		WL_ERR("Scanning already : status (%lu)\n", cfg->status);
+	if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
+		WL_ERR("Scanning already: status (%lu)\n", cfg->scan_status);
 		return -EAGAIN;
 	}
-	if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg->status)) {
-		WL_ERR("Scanning being aborted : status (%lu)\n",
-		       cfg->status);
+	if (test_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status)) {
+		WL_ERR("Scanning being aborted: status (%lu)\n",
+		       cfg->scan_status);
 		return -EAGAIN;
 	}
-	if (test_bit(WL_STATUS_CONNECTING, &cfg->status)) {
-		WL_ERR("Connecting : status (%lu)\n",
-		       cfg->status);
+	if (test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) {
+		WL_ERR("Connecting: status (%lu)\n", ifp->vif->sme_state);
 		return -EAGAIN;
 	}
 
@@ -974,7 +972,7 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev,
 	}
 
 	cfg->scan_request = request;
-	set_bit(WL_STATUS_SCANNING, &cfg->status);
+	set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
 	if (escan_req) {
 		err = brcmf_do_escan(cfg, wiphy, ndev, request);
 		if (!err)
@@ -996,15 +994,14 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev,
 			WL_SCAN("Broadcast scan\n");
 
 		passive_scan = cfg->active_scan ? 0 : 1;
-		err = brcmf_fil_cmd_int_set(netdev_priv(ndev),
-					    BRCMF_C_SET_PASSIVE_SCAN,
+		err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PASSIVE_SCAN,
 					    passive_scan);
 		if (err) {
 			WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err);
 			goto scan_out;
 		}
 		brcmf_set_mpc(ndev, 0);
-		err = brcmf_fil_cmd_data_set(netdev_priv(ndev), BRCMF_C_SCAN,
+		err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SCAN,
 					     &sr->ssid_le, sizeof(sr->ssid_le));
 		if (err) {
 			if (err == -EBUSY)
@@ -1021,7 +1018,7 @@ brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev,
 	return 0;
 
 scan_out:
-	clear_bit(WL_STATUS_SCANNING, &cfg->status);
+	clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
 	if (timer_pending(&cfg->escan_timeout))
 		del_timer_sync(&cfg->escan_timeout);
 	cfg->scan_request = NULL;
@@ -1210,7 +1207,7 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
 		return -EOPNOTSUPP;
 	}
 
-	set_bit(WL_STATUS_CONNECTING, &cfg->status);
+	set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
 
 	if (params->bssid)
 		WL_CONN("BSSID: %pM\n", params->bssid);
@@ -1251,7 +1248,7 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
 	if (params->privacy)
 		wsec |= WEP_ENABLED;
 
-	err = brcmf_fil_iovar_int_set(netdev_priv(ndev), "wsec", wsec);
+	err = brcmf_fil_iovar_int_set(ifp, "wsec", wsec);
 	if (err) {
 		WL_ERR("wsec failed (%d)\n", err);
 		goto done;
@@ -1263,7 +1260,7 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
 	else
 		bcnprd = 100;
 
-	err = brcmf_fil_cmd_int_set(netdev_priv(ndev), BRCM_SET_BCNPRD, bcnprd);
+	err = brcmf_fil_cmd_int_set(ifp, BRCM_SET_BCNPRD, bcnprd);
 	if (err) {
 		WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err);
 		goto done;
@@ -1305,7 +1302,7 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
 
 		/* set channel for starter */
 		target_channel = cfg->channel;
-		err = brcmf_fil_cmd_int_set(netdev_priv(ndev), BRCM_SET_CHANNEL,
+		err = brcmf_fil_cmd_int_set(ifp, BRCM_SET_CHANNEL,
 					    target_channel);
 		if (err) {
 			WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err);
@@ -1317,7 +1314,7 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
 	cfg->ibss_starter = false;
 
 
-	err = brcmf_fil_cmd_data_set(netdev_priv(ndev), BRCMF_C_SET_SSID,
+	err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
 				     &join_params, join_params_size);
 	if (err) {
 		WL_ERR("WLC_SET_SSID failed (%d)\n", err);
@@ -1326,7 +1323,7 @@ brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
 
 done:
 	if (err)
-		clear_bit(WL_STATUS_CONNECTING, &cfg->status);
+		clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
 	WL_TRACE("Exit\n");
 	return err;
 }
@@ -1625,7 +1622,7 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
 		return -EOPNOTSUPP;
 	}
 
-	set_bit(WL_STATUS_CONNECTING, &cfg->status);
+	set_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
 
 	if (chan) {
 		cfg->channel =
@@ -1684,14 +1681,14 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
 
 	brcmf_ch_to_chanspec(cfg->channel,
 			     &join_params, &join_params_size);
-	err = brcmf_fil_cmd_data_set(netdev_priv(ndev), BRCMF_C_SET_SSID,
+	err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
 				     &join_params, join_params_size);
 	if (err)
 		WL_ERR("WLC_SET_SSID failed (%d)\n", err);
 
 done:
 	if (err)
-		clear_bit(WL_STATUS_CONNECTING, &cfg->status);
+		clear_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state);
 	WL_TRACE("Exit\n");
 	return err;
 }
@@ -1710,11 +1707,11 @@ brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev,
 	if (!check_sys_up(ifp->vif))
 		return -EIO;
 
-	clear_bit(WL_STATUS_CONNECTED, &cfg->status);
+	clear_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
 
 	memcpy(&scbval.ea, &profile->bssid, ETH_ALEN);
 	scbval.val = cpu_to_le32(reason_code);
-	err = brcmf_fil_cmd_data_set(netdev_priv(ndev), BRCMF_C_DISASSOC,
+	err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_DISASSOC,
 				     &scbval, sizeof(scbval));
 	if (err)
 		WL_ERR("error (%d)\n", err);
@@ -2162,10 +2159,11 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
 			WL_CONN("Rate %d Mbps\n", rate / 2);
 		}
 
-		if (test_bit(WL_STATUS_CONNECTED, &cfg->status)) {
+		if (test_bit(BRCMF_VIF_STATUS_CONNECTED,
+			     &ifp->vif->sme_state)) {
 			memset(&scb_val, 0, sizeof(scb_val));
-		err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI, &scb_val,
-					     sizeof(scb_val));
+			err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_RSSI,
+						     &scb_val, sizeof(scb_val));
 			if (err) {
 				WL_ERR("Could not get rssi (%d)\n", err);
 				goto done;
@@ -2190,6 +2188,7 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
 	s32 pm;
 	s32 err = 0;
 	struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+	struct brcmf_if *ifp = netdev_priv(ndev);
 
 	WL_TRACE("Enter\n");
 
@@ -2201,7 +2200,7 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
 	 * FW later while initializing the dongle
 	 */
 	cfg->pwr_save = enabled;
-	if (!test_bit(WL_STATUS_READY, &cfg->status)) {
+	if (!check_sys_up(ifp->vif)) {
 
 		WL_INFO("Device is not ready, storing the value in cfg_info struct\n");
 		goto done;
@@ -2210,7 +2209,7 @@ brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev,
 	pm = enabled ? PM_FAST : PM_OFF;
 	WL_INFO("power save %s\n", (pm ? "enabled" : "disabled"));
 
-	err = brcmf_fil_cmd_int_set(netdev_priv(ndev), BRCMF_C_SET_PM, pm);
+	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, pm);
 	if (err) {
 		if (err == -ENODEV)
 			WL_ERR("net_device is not ready yet\n");
@@ -2592,7 +2591,7 @@ static void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
 	struct escan_info *escan = &cfg->escan_info;
 	struct brcmf_ssid ssid;
 
-	set_bit(WL_STATUS_SCAN_ABORTING, &cfg->status);
+	set_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
 	if (cfg->iscan_on) {
 		iscan->state = WL_ISCAN_STATE_IDLE;
 
@@ -2618,8 +2617,8 @@ static void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg)
 		escan->escan_state = WL_ESCAN_STATE_IDLE;
 		brcmf_notify_escan_complete(cfg, escan->ndev, true, true);
 	}
-	clear_bit(WL_STATUS_SCANNING, &cfg->status);
-	clear_bit(WL_STATUS_SCAN_ABORTING, &cfg->status);
+	clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
+	clear_bit(BRCMF_SCAN_STATUS_ABORT, &cfg->scan_status);
 }
 
 static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl *iscan,
@@ -2628,7 +2627,7 @@ static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl *iscan,
 	struct brcmf_cfg80211_info *cfg = iscan_to_cfg(iscan);
 	struct net_device *ndev = cfg_to_ndev(cfg);
 
-	if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) {
+	if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
 		WL_ERR("Scan complete while device not scanning\n");
 		return;
 	}
@@ -2886,10 +2885,10 @@ brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_info *cfg,
 	status = be32_to_cpu(e->status);
 
 	if (!ndev || !cfg->escan_on ||
-			!test_bit(WL_STATUS_SCANNING, &cfg->status)) {
+			!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
 		WL_ERR("scan not ready ndev %p wl->escan_on %d drv_status %x\n",
 			ndev, cfg->escan_on,
-			!test_bit(WL_STATUS_SCANNING, &cfg->status));
+			!test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status));
 		return -EPERM;
 	}
 
@@ -2993,15 +2992,16 @@ static __always_inline void brcmf_delay(u32 ms)
 static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
 {
 	struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
+	struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
 
 	/*
-	 * Check for WL_STATUS_READY before any function call which
+	 * Check for BRCMF_VIF_STATUS_READY before any function call which
 	 * could result is bus access. Don't block the resume for
 	 * any driver error conditions
 	 */
 	WL_TRACE("Enter\n");
 
-	if (test_bit(WL_STATUS_READY, &cfg->status))
+	if (check_sys_up(ifp->vif))
 		brcmf_invoke_iscan(wiphy_to_cfg(wiphy));
 
 	WL_TRACE("Exit\n");
@@ -3013,11 +3013,12 @@ static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
 {
 	struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
 	struct net_device *ndev = cfg_to_ndev(cfg);
+	struct brcmf_if *ifp = netdev_priv(ndev);
 
 	WL_TRACE("Enter\n");
 
 	/*
-	 * Check for WL_STATUS_READY before any function call which
+	 * Check for BRCMF_VIF_STATUS_READY before any function call which
 	 * could result is bus access. Don't block the suspend for
 	 * any driver error conditions
 	 */
@@ -3026,9 +3027,9 @@ static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
 	 * While going to suspend if associated with AP disassociate
 	 * from AP to save power while system is in suspended state
 	 */
-	if ((test_bit(WL_STATUS_CONNECTED, &cfg->status) ||
-	     test_bit(WL_STATUS_CONNECTING, &cfg->status)) &&
-	     test_bit(WL_STATUS_READY, &cfg->status)) {
+	if ((test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state) ||
+	     test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) &&
+	     check_sys_up(ifp->vif)) {
 		WL_INFO("Disassociating from AP"
 			" while entering suspend state\n");
 		brcmf_link_down(cfg);
@@ -3041,13 +3042,13 @@ static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy,
 		brcmf_delay(500);
 	}
 
-	if (test_bit(WL_STATUS_READY, &cfg->status))
+	if (test_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state))
 		brcmf_abort_scanning(cfg);
 	else
-		clear_bit(WL_STATUS_SCANNING, &cfg->status);
+		clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
 
 	/* Turn off watchdog timer */
-	if (test_bit(WL_STATUS_READY, &cfg->status))
+	if (test_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state))
 		brcmf_set_mpc(ndev, 1);
 
 	WL_TRACE("Exit\n");
@@ -3279,15 +3280,15 @@ brcmf_notify_sched_scan_results(struct brcmf_cfg80211_info *cfg,
 		if (request->n_ssids)
 			request->ssids = &ssid[0];
 
-		if (test_bit(WL_STATUS_SCANNING, &cfg->status)) {
+		if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
 			/* Abort any on-going scan */
 			brcmf_abort_scanning(cfg);
 		}
 
-		set_bit(WL_STATUS_SCANNING, &cfg->status);
+		set_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
 		err = brcmf_do_escan(cfg, wiphy, ndev, request);
 		if (err) {
-			clear_bit(WL_STATUS_SCANNING, &cfg->status);
+			clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status);
 			goto out_err;
 		}
 		cfg->sched_escan = true;
@@ -3352,6 +3353,7 @@ brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
 				struct net_device *ndev,
 				struct cfg80211_sched_scan_request *request)
 {
+	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
 	struct brcmf_pno_net_param_le pfn;
 	int i;
@@ -3359,8 +3361,8 @@ brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
 
 	WL_SCAN("Enter n_match_sets:%d   n_ssids:%d\n",
 		request->n_match_sets, request->n_ssids);
-	if (test_bit(WL_STATUS_SCANNING, &cfg->status)) {
-		WL_ERR("Scanning already : status (%lu)\n", cfg->status);
+	if (test_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
+		WL_ERR("Scanning already: status (%lu)\n", cfg->scan_status);
 		return -EAGAIN;
 	}
 
@@ -3417,15 +3419,14 @@ brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy,
 			pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT);
 			pfn.ssid.SSID_len = cpu_to_le32(ssid_len);
 			memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len);
-			ret = brcmf_fil_iovar_data_set(netdev_priv(ndev),
-						       "pfn_add", &pfn,
+			ret = brcmf_fil_iovar_data_set(ifp, "pfn_add", &pfn,
 						       sizeof(pfn));
 			WL_SCAN(">>> PNO filter %s for ssid (%s)\n",
 				ret == 0 ? "set" : "failed",
 				ssid->ssid);
 		}
 		/* Enable the PNO */
-		if (brcmf_fil_iovar_int_set(netdev_priv(ndev), "pfn", 1) < 0) {
+		if (brcmf_fil_iovar_int_set(ifp, "pfn", 1) < 0) {
 			WL_ERR("PNO enable failed!! ret=%d\n", ret);
 			return -EINVAL;
 		}
@@ -3774,6 +3775,7 @@ brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg,
 			struct net_device *ndev, s32 pktflag,
 			u8 *vndr_ie_buf, u32 vndr_ie_len)
 {
+	struct brcmf_if *ifp = netdev_priv(ndev);
 	s32 err = 0;
 	u8  *iovar_ie_buf;
 	u8  *curr_ie_buf;
@@ -3796,8 +3798,8 @@ brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg,
 	if (!iovar_ie_buf)
 		return -ENOMEM;
 	curr_ie_buf = iovar_ie_buf;
-	if (test_bit(WL_STATUS_AP_CREATING, &cfg->status) ||
-	    test_bit(WL_STATUS_AP_CREATED, &cfg->status)) {
+	if (test_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state) ||
+	    test_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state)) {
 		switch (pktflag) {
 		case VNDR_IE_PRBRSP_FLAG:
 			mgmt_ie_buf = cfg->ap_info->probe_res_ie;
@@ -3909,8 +3911,7 @@ brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg,
 		}
 	}
 	if (total_ie_buf_len) {
-		err  = brcmf_fil_bsscfg_data_set(netdev_priv(ndev), "vndr_ie",
-						 iovar_ie_buf,
+		err  = brcmf_fil_bsscfg_data_set(ifp, "vndr_ie", iovar_ie_buf,
 						 total_ie_buf_len);
 		if (err)
 			WL_ERR("vndr ie set error : %d\n", err);
@@ -3943,7 +3944,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
 		 settings->ssid, settings->ssid_len, settings->auth_type,
 		 settings->inactivity_timeout);
 
-	if (!test_bit(WL_STATUS_AP_CREATING, &cfg->status)) {
+	if (!test_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state)) {
 		WL_ERR("Not in AP creation mode\n");
 		return -EPERM;
 	}
@@ -4077,8 +4078,8 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
 		WL_ERR("SET SSID error (%d)\n", err);
 		goto exit;
 	}
-	clear_bit(WL_STATUS_AP_CREATING, &cfg->status);
-	set_bit(WL_STATUS_AP_CREATED, &cfg->status);
+	clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
+	set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
 
 exit:
 	if (err)
@@ -4088,6 +4089,7 @@ exit:
 
 static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
 {
+	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
 	s32 err = -EPERM;
 
@@ -4109,8 +4111,8 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
 			goto exit;
 		}
 		brcmf_set_mpc(ndev, 1);
-		clear_bit(WL_STATUS_AP_CREATING, &cfg->status);
-		clear_bit(WL_STATUS_AP_CREATED, &cfg->status);
+		clear_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
+		clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
 	}
 exit:
 	return err;
@@ -4424,7 +4426,8 @@ brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
 		       struct net_device *ndev,
 		       const struct brcmf_event_msg *e)
 {
-	struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
+	struct brcmf_if *ifp = netdev_priv(ndev);
+	struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
 	struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
 	struct wiphy *wiphy = cfg_to_wiphy(cfg);
 	struct ieee80211_channel *notify_channel = NULL;
@@ -4449,7 +4452,7 @@ brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg,
 
 	/* data sent to dongle has to be little endian */
 	*(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX);
-	err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_BSS_INFO,
+	err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_BSS_INFO,
 				     buf, WL_BSS_INFO_MAX);
 
 	if (err)
@@ -4474,7 +4477,7 @@ done:
 			conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL);
 	WL_CONN("Report roaming result\n");
 
-	set_bit(WL_STATUS_CONNECTED, &cfg->status);
+	set_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state);
 	WL_TRACE("Exit\n");
 	return err;
 }
@@ -4484,13 +4487,15 @@ brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
 		       struct net_device *ndev, const struct brcmf_event_msg *e,
 		       bool completed)
 {
-	struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
+	struct brcmf_if *ifp = netdev_priv(ndev);
+	struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
 	struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
 	s32 err = 0;
 
 	WL_TRACE("Enter\n");
 
-	if (test_and_clear_bit(WL_STATUS_CONNECTING, &cfg->status)) {
+	if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTING,
+			       &ifp->vif->sme_state)) {
 		if (completed) {
 			brcmf_get_assoc_ies(cfg);
 			memcpy(profile->bssid, e->addr, ETH_ALEN);
@@ -4506,7 +4511,8 @@ brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg,
 						    WLAN_STATUS_AUTH_TIMEOUT,
 					GFP_KERNEL);
 		if (completed)
-			set_bit(WL_STATUS_CONNECTED, &cfg->status);
+			set_bit(BRCMF_VIF_STATUS_CONNECTED,
+				&ifp->vif->sme_state);
 		WL_CONN("Report connect result - connection %s\n",
 				completed ? "succeeded" : "failed");
 	}
@@ -4558,7 +4564,8 @@ brcmf_notify_connect_status(struct brcmf_cfg80211_info *cfg,
 			    struct net_device *ndev,
 			    const struct brcmf_event_msg *e, void *data)
 {
-	struct brcmf_cfg80211_profile *profile = ndev_to_prof(ndev);
+	struct brcmf_if *ifp = netdev_priv(ndev);
+	struct brcmf_cfg80211_profile *profile = &ifp->vif->profile;
 	s32 err = 0;
 
 	if (cfg->conf->mode == WL_MODE_AP) {
@@ -4569,30 +4576,34 @@ brcmf_notify_connect_status(struct brcmf_cfg80211_info *cfg,
 			memcpy(profile->bssid, e->addr, ETH_ALEN);
 			wl_inform_ibss(cfg, ndev, e->addr);
 			cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL);
-			clear_bit(WL_STATUS_CONNECTING, &cfg->status);
-			set_bit(WL_STATUS_CONNECTED, &cfg->status);
+			clear_bit(BRCMF_VIF_STATUS_CONNECTING,
+				  &ifp->vif->sme_state);
+			set_bit(BRCMF_VIF_STATUS_CONNECTED,
+				&ifp->vif->sme_state);
 		} else
 			brcmf_bss_connect_done(cfg, ndev, e, true);
 	} else if (brcmf_is_linkdown(cfg, e)) {
 		WL_CONN("Linkdown\n");
 		if (brcmf_is_ibssmode(cfg)) {
-			clear_bit(WL_STATUS_CONNECTING, &cfg->status);
-			if (test_and_clear_bit(WL_STATUS_CONNECTED,
-				&cfg->status))
+			clear_bit(BRCMF_VIF_STATUS_CONNECTING,
+				  &ifp->vif->sme_state);
+			if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED,
+					       &ifp->vif->sme_state))
 				brcmf_link_down(cfg);
 		} else {
 			brcmf_bss_connect_done(cfg, ndev, e, false);
-			if (test_and_clear_bit(WL_STATUS_CONNECTED,
-				&cfg->status)) {
+			if (test_and_clear_bit(BRCMF_VIF_STATUS_CONNECTED,
+					       &ifp->vif->sme_state)) {
 				cfg80211_disconnected(ndev, 0, NULL, 0,
-					GFP_KERNEL);
+						      GFP_KERNEL);
 				brcmf_link_down(cfg);
 			}
 		}
 		brcmf_init_prof(ndev_to_prof(ndev));
 	} else if (brcmf_is_nonetwork(cfg, e)) {
 		if (brcmf_is_ibssmode(cfg))
-			clear_bit(WL_STATUS_CONNECTING, &cfg->status);
+			clear_bit(BRCMF_VIF_STATUS_CONNECTING,
+				  &ifp->vif->sme_state);
 		else
 			brcmf_bss_connect_done(cfg, ndev, e, false);
 	}
@@ -4605,12 +4616,13 @@ brcmf_notify_roaming_status(struct brcmf_cfg80211_info *cfg,
 			    struct net_device *ndev,
 			    const struct brcmf_event_msg *e, void *data)
 {
+	struct brcmf_if *ifp = netdev_priv(ndev);
 	s32 err = 0;
 	u32 event = be32_to_cpu(e->event_type);
 	u32 status = be32_to_cpu(e->status);
 
 	if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) {
-		if (test_bit(WL_STATUS_CONNECTED, &cfg->status))
+		if (test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state))
 			brcmf_bss_roaming_done(cfg, ndev, e);
 		else
 			brcmf_bss_connect_done(cfg, ndev, e, true);
@@ -4643,6 +4655,7 @@ brcmf_notify_scan_status(struct brcmf_cfg80211_info *cfg,
 			 struct net_device *ndev,
 			 const struct brcmf_event_msg *e, void *data)
 {
+	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_channel_info_le channel_inform_le;
 	struct brcmf_scan_results_le *bss_list_le;
 	u32 len = WL_SCAN_BUF_MAX;
@@ -4657,14 +4670,14 @@ brcmf_notify_scan_status(struct brcmf_cfg80211_info *cfg,
 		return brcmf_wakeup_iscan(cfg_to_iscan(cfg));
 	}
 
-	if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) {
+	if (!test_and_clear_bit(BRCMF_SCAN_STATUS_BUSY, &cfg->scan_status)) {
 		WL_ERR("Scan complete while device not scanning\n");
 		scan_abort = true;
 		err = -EINVAL;
 		goto scan_done_out;
 	}
 
-	err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_GET_CHANNEL,
+	err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_CHANNEL,
 				     &channel_inform_le,
 				     sizeof(channel_inform_le));
 	if (err) {
@@ -4680,7 +4693,7 @@ brcmf_notify_scan_status(struct brcmf_cfg80211_info *cfg,
 
 	memset(cfg->scan_results, 0, len);
 	bss_list_le->buflen = cpu_to_le32(len);
-	err = brcmf_fil_cmd_data_get(netdev_priv(ndev), BRCMF_C_SCAN_RESULTS,
+	err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_SCAN_RESULTS,
 				     cfg->scan_results, len);
 	if (err) {
 		WL_ERR("%s Scan_results error (%d)\n", ndev->name, err);
@@ -5289,9 +5302,10 @@ static void brcmf_debugfs_remove_netdev(struct brcmf_cfg80211_info *cfg)
 
 static s32 __brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg)
 {
+	struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
 	s32 err = 0;
 
-	set_bit(WL_STATUS_READY, &cfg->status);
+	set_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
 
 	brcmf_debugfs_add_netdev_params(cfg);
 
@@ -5306,13 +5320,16 @@ static s32 __brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg)
 
 static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg)
 {
+	struct net_device *ndev = cfg_to_ndev(cfg);
+	struct brcmf_if *ifp = netdev_priv(ndev);
+
 	/*
 	 * While going down, if associated with AP disassociate
 	 * from AP to save power
 	 */
-	if ((test_bit(WL_STATUS_CONNECTED, &cfg->status) ||
-	     test_bit(WL_STATUS_CONNECTING, &cfg->status)) &&
-	     test_bit(WL_STATUS_READY, &cfg->status)) {
+	if ((test_bit(BRCMF_VIF_STATUS_CONNECTED, &ifp->vif->sme_state) ||
+	     test_bit(BRCMF_VIF_STATUS_CONNECTING, &ifp->vif->sme_state)) &&
+	     check_sys_up(ifp->vif)) {
 		WL_INFO("Disassociating from AP");
 		brcmf_link_down(cfg);
 
@@ -5324,7 +5341,7 @@ static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg)
 	}
 
 	brcmf_abort_scanning(cfg);
-	clear_bit(WL_STATUS_READY, &cfg->status);
+	clear_bit(BRCMF_VIF_STATUS_READY, &ifp->vif->sme_state);
 
 	brcmf_debugfs_remove_netdev(cfg);
 

drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.h

@@ -127,15 +127,15 @@ do {								\
 #define WL_AUTH_SHARED_KEY		1	/* d11 shared authentication */
 #define IE_MAX_LEN			512
 
-/* dongle status */
-enum wl_status {
-	WL_STATUS_READY,
-	WL_STATUS_SCANNING,
-	WL_STATUS_SCAN_ABORTING,
-	WL_STATUS_CONNECTING,
-	WL_STATUS_CONNECTED,
-	WL_STATUS_AP_CREATING,
-	WL_STATUS_AP_CREATED
+/**
+ * enum brcmf_scan_status - dongle scan status
+ *
+ * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
+ * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
+ */
+enum brcmf_scan_status {
+	BRCMF_SCAN_STATUS_BUSY,
+	BRCMF_SCAN_STATUS_ABORT,
 };
 
 /* wi-fi mode */
@@ -235,6 +235,23 @@ struct brcmf_cfg80211_profile {
 	s32 band;
 };
 
+/**
+ * enum brcmf_vif_status - bit indices for vif status.
+ *
+ * @BRCMF_VIF_STATUS_READY: ready for operation.
+ * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
+ * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully.
+ * @BRCMF_VIF_STATUS_AP_CREATING: interface configured for AP operation.
+ * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
+ */
+enum brcmf_vif_status {
+	BRCMF_VIF_STATUS_READY,
+	BRCMF_VIF_STATUS_CONNECTING,
+	BRCMF_VIF_STATUS_CONNECTED,
+	BRCMF_VIF_STATUS_AP_CREATING,
+	BRCMF_VIF_STATUS_AP_CREATED
+};
+
 /**
  * struct brcmf_cfg80211_vif - virtual interface specific information.
  *
@@ -243,6 +260,7 @@ struct brcmf_cfg80211_profile {
  * @profile: profile information.
  * @mode: operating mode.
  * @roam_off: roaming state.
+ * @sme_state: SME state using enum brcmf_vif_status bits.
  * @pm_block: power-management blocked.
  * @list: linked list.
  */
@@ -252,6 +270,7 @@ struct brcmf_cfg80211_vif {
 	struct brcmf_cfg80211_profile profile;
 	s32 mode;
 	s32 roam_off;
+	unsigned long sme_state;
 	bool pm_block;
 	struct list_head list;
 };
@@ -420,7 +439,7 @@ struct brcmf_pno_scanresults_le {
  * @conn_info: association info.
  * @pmk_list: wpa2 pmk list.
  * @event_work: event handler work struct.
- * @status: current dongle status.
+ * @scan_status: scan activity on the dongle.
  * @pub: common driver information.
  * @channel: current channel.
  * @iscan_on: iscan on/off switch.
@@ -462,7 +481,7 @@ struct brcmf_cfg80211_info {
 	struct brcmf_cfg80211_connect_info conn_info;
 	struct brcmf_cfg80211_pmk_list *pmk_list;
 	struct work_struct event_work;
-	unsigned long status;
+	unsigned long scan_status;
 	struct brcmf_pub *pub;
 	u32 channel;
 	bool iscan_on;