wil6210: multiple VIFs support for connections and data path

Track the connection status per-VIF.
The data path code is also updated to support multiple VIFs.
This includes RX and TX VRING management, NAPI poll loops,
RX reordering and related code.
Power management code used to check if the main interface
is up or based on connection state of the main interface,
adapt this code to take all VIFs into account.

Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 15 insertions, 17 deletions

diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
index 4afb38f8f6f2..cdbb393863f3 100644
--- a/drivers/net/wireless/ath/wil6210/cfg80211.c
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -319,7 +319,7 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid,
 	sinfo->tx_packets = stats->tx_packets;
 	sinfo->tx_failed = stats->tx_errors;
 
-	if (test_bit(wil_status_fwconnected, wil->status)) {
+	if (test_bit(wil_vif_fwconnected, vif->status)) {
 		sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
 		if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING,
 			     wil->fw_capabilities))
@@ -490,11 +490,10 @@ wil_cfg80211_add_iface(struct wiphy *wiphy, const char *name,
 			return ERR_PTR(-EINVAL);
 		}
 
-		vif = kzalloc(sizeof(*vif), GFP_KERNEL);
-		if (!vif)
+		p2p_wdev = kzalloc(sizeof(*p2p_wdev), GFP_KERNEL);
+		if (!p2p_wdev)
 			return ERR_PTR(-ENOMEM);
 
-		p2p_wdev = vif_to_wdev(vif);
 		p2p_wdev->iftype = type;
 		p2p_wdev->wiphy = wiphy;
 		/* use our primary ethernet address */
@@ -904,8 +903,8 @@ static int wil_cfg80211_connect(struct wiphy *wiphy,
 	wil_dbg_misc(wil, "connect, mid=%d\n", vif->mid);
 	wil_print_connect_params(wil, sme);
 
-	if (test_bit(wil_status_fwconnecting, wil->status) ||
-	    test_bit(wil_status_fwconnected, wil->status))
+	if (test_bit(wil_vif_fwconnecting, vif->status) ||
+	    test_bit(wil_vif_fwconnected, vif->status))
 		return -EALREADY;
 
 	if (sme->ie_len > WMI_MAX_IE_LEN) {
@@ -1009,18 +1008,19 @@ static int wil_cfg80211_connect(struct wiphy *wiphy,
 	ether_addr_copy(conn.bssid, bss->bssid);
 	ether_addr_copy(conn.dst_mac, bss->bssid);
 
-	set_bit(wil_status_fwconnecting, wil->status);
+	set_bit(wil_vif_fwconnecting, vif->status);
 
 	rc = wmi_send(wil, WMI_CONNECT_CMDID, vif->mid, &conn, sizeof(conn));
 	if (rc == 0) {
 		netif_carrier_on(ndev);
-		wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
+		if (!wil_has_other_active_ifaces(wil, ndev, false, true))
+			wil6210_bus_request(wil, WIL_MAX_BUS_REQUEST_KBPS);
 		vif->bss = bss;
 		/* Connect can take lots of time */
 		mod_timer(&vif->connect_timer,
 			  jiffies + msecs_to_jiffies(5000));
 	} else {
-		clear_bit(wil_status_fwconnecting, wil->status);
+		clear_bit(wil_vif_fwconnecting, vif->status);
 	}
 
  out:
@@ -1040,8 +1040,8 @@ static int wil_cfg80211_disconnect(struct wiphy *wiphy,
 	wil_dbg_misc(wil, "disconnect: reason=%d, mid=%d\n",
 		     reason_code, vif->mid);
 
-	if (!(test_bit(wil_status_fwconnecting, wil->status) ||
-	      test_bit(wil_status_fwconnected, wil->status))) {
+	if (!(test_bit(wil_vif_fwconnecting, vif->status) ||
+	      test_bit(wil_vif_fwconnected, vif->status))) {
 		wil_err(wil, "Disconnect was called while disconnected\n");
 		return 0;
 	}
@@ -1946,7 +1946,7 @@ static int wil_cfg80211_suspend(struct wiphy *wiphy,
 	mutex_lock(&wil->mutex);
 	mutex_lock(&wil->vif_mutex);
 	wil_p2p_stop_radio_operations(wil);
-	wil_abort_scan(ndev_to_vif(wil->main_ndev), true);
+	wil_abort_scan_all_vifs(wil, true);
 	mutex_unlock(&wil->vif_mutex);
 	mutex_unlock(&wil->mutex);
 
@@ -2234,7 +2234,6 @@ void wil_cfg80211_deinit(struct wil6210_priv *wil)
 void wil_p2p_wdev_free(struct wil6210_priv *wil)
 {
 	struct wireless_dev *p2p_wdev;
-	struct wil6210_vif *vif;
 
 	mutex_lock(&wil->vif_mutex);
 	p2p_wdev = wil->p2p_wdev;
@@ -2243,8 +2242,7 @@ void wil_p2p_wdev_free(struct wil6210_priv *wil)
 	mutex_unlock(&wil->vif_mutex);
 	if (p2p_wdev) {
 		cfg80211_unregister_wdev(p2p_wdev);
-		vif = wdev_to_vif(wil, p2p_wdev);
-		kfree(vif);
+		kfree(p2p_wdev);
 	}
 }
 
@@ -2538,7 +2536,7 @@ static int wil_rf_sector_get_selected(struct wiphy *wiphy,
 			return -ENOENT;
 		}
 	} else {
-		if (test_bit(wil_status_fwconnected, wil->status)) {
+		if (test_bit(wil_vif_fwconnected, vif->status)) {
 			wil_err(wil, "must specify MAC address when connected\n");
 			return -EINVAL;
 		}
@@ -2665,7 +2663,7 @@ static int wil_rf_sector_set_selected(struct wiphy *wiphy,
 			cid = -1;
 		}
 	} else {
-		if (test_bit(wil_status_fwconnected, wil->status)) {
+		if (test_bit(wil_vif_fwconnected, vif->status)) {
 			wil_err(wil, "must specify MAC address when connected\n");
 			return -EINVAL;
 		}