wil6210: single station disconnect

implement del_station() method in the struct cfg80211_ops
It allows to disconnect single peer from the AP

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/wil6210/cfg80211.c

@@ -657,6 +657,14 @@ static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
 	return rc;
 }
 
+static int wil_cfg80211_del_station(struct wiphy *wiphy,
+				    struct net_device *dev, u8 *mac)
+{
+	struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+	wil6210_disconnect(wil, mac);
+	return 0;
+}
+
 static struct cfg80211_ops wil_cfg80211_ops = {
 	.scan = wil_cfg80211_scan,
 	.connect = wil_cfg80211_connect,
@@ -674,6 +682,7 @@ static struct cfg80211_ops wil_cfg80211_ops = {
 	/* AP mode */
 	.start_ap = wil_cfg80211_start_ap,
 	.stop_ap = wil_cfg80211_stop_ap,
+	.del_station = wil_cfg80211_del_station,
 };
 
 static void wil_wiphy_init(struct wiphy *wiphy)

drivers/net/wireless/ath/wil6210/main.c

@@ -58,6 +58,12 @@ static void wil_disconnect_cid(struct wil6210_priv *wil, int cid)
 {
 	uint i;
 	struct wil_sta_info *sta = &wil->sta[cid];
+
+	if (sta->status != wil_sta_unused) {
+		wmi_disconnect_sta(wil, sta->addr, WLAN_REASON_DEAUTH_LEAVING);
+		sta->status = wil_sta_unused;
+	}
+
 	for (i = 0; i < WIL_STA_TID_NUM; i++) {
 		struct wil_tid_ampdu_rx *r = sta->tid_rx[i];
 		sta->tid_rx[i] = NULL;

drivers/net/wireless/ath/wil6210/wil6210.h

@@ -437,6 +437,7 @@ int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
 int wmi_p2p_cfg(struct wil6210_priv *wil, int channel);
 int wmi_rxon(struct wil6210_priv *wil, bool on);
 int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
+int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason);
 
 int wil6210_init_irq(struct wil6210_priv *wil, int irq);
 void wil6210_fini_irq(struct wil6210_priv *wil, int irq);

drivers/net/wireless/ath/wil6210/wmi.c

@@ -455,19 +455,14 @@ static void wmi_evt_disconnect(struct wil6210_priv *wil, int id,
 			       void *d, int len)
 {
 	struct wmi_disconnect_event *evt = d;
-	int cid = wil_find_cid(wil, evt->bssid);
 
-	wil_dbg_wmi(wil, "Disconnect %pM CID %d reason %d proto %d wmi\n",
-		    evt->bssid, cid,
+	wil_dbg_wmi(wil, "Disconnect %pM reason %d proto %d wmi\n",
+		    evt->bssid,
 		    evt->protocol_reason_status, evt->disconnect_reason);
 
 	wil->sinfo_gen++;
 
-	/* TODO: fix for multiple connections */
-
 	wil6210_disconnect(wil, evt->bssid);
-	if (cid >= 0)
-		wil->sta[cid].status = wil_sta_unused;
 }
 
 static void wmi_evt_notify(struct wil6210_priv *wil, int id, void *d, int len)
@@ -1062,6 +1057,18 @@ int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r)
 	return 0;
 }
 
+int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason)
+{
+	struct wmi_disconnect_sta_cmd cmd = {
+		.disconnect_reason = cpu_to_le16(reason),
+	};
+	memcpy(cmd.dst_mac, mac, ETH_ALEN);
+
+	wil_dbg_wmi(wil, "%s(%pM, reason %d)\n", __func__, mac, reason);
+
+	return wmi_send(wil, WMI_DISCONNECT_STA_CMDID, &cmd, sizeof(cmd));
+}
+
 void wmi_event_flush(struct wil6210_priv *wil)
 {
 	struct pending_wmi_event *evt, *t;