mwifiex: add del_station handler
This patch adds cfg80211 del_station handler for mwifiex.
If bss is not started or there are no stations in associated
stations list, no action is taken. If argument received is
null/broadcast mac, all stations in associated station list are
deauthenticated.
Patch also deletes related RxReorder stream and TxBA stream tables
for related station.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index fcd293c..af79daa 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1231,6 +1231,51 @@
return 0;
}
+/* cfg80211 operation handler for del_station.
+ * Function deauthenticates station which value is provided in mac parameter.
+ * If mac is NULL/broadcast, all stations in associated station list are
+ * deauthenticated. If bss is not started or there are no stations in
+ * associated stations list, no action is taken.
+ */
+static int
+mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
+ u8 *mac)
+{
+ struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
+ struct mwifiex_sta_node *sta_node;
+ unsigned long flags;
+
+ if (list_empty(&priv->sta_list) || !priv->bss_started)
+ return 0;
+
+ if (!mac || is_broadcast_ether_addr(mac)) {
+ wiphy_dbg(wiphy, "%s: NULL/broadcast mac address\n", __func__);
+ list_for_each_entry(sta_node, &priv->sta_list, list) {
+ if (mwifiex_send_cmd_sync(priv,
+ HostCmd_CMD_UAP_STA_DEAUTH,
+ HostCmd_ACT_GEN_SET, 0,
+ sta_node->mac_addr))
+ return -1;
+ mwifiex_uap_del_sta_data(priv, sta_node);
+ }
+ } else {
+ wiphy_dbg(wiphy, "%s: mac address %pM\n", __func__, mac);
+ spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+ sta_node = mwifiex_get_sta_entry(priv, mac);
+ spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+ if (sta_node) {
+ if (mwifiex_send_cmd_sync(priv,
+ HostCmd_CMD_UAP_STA_DEAUTH,
+ HostCmd_ACT_GEN_SET, 0,
+ sta_node->mac_addr))
+ return -1;
+ mwifiex_uap_del_sta_data(priv, sta_node);
+ }
+ }
+
+ return 0;
+}
+
static int
mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
{
@@ -2425,6 +2470,7 @@
.change_beacon = mwifiex_cfg80211_change_beacon,
.set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
.set_antenna = mwifiex_cfg80211_set_antenna,
+ .del_station = mwifiex_cfg80211_del_station,
#ifdef CONFIG_PM
.suspend = mwifiex_cfg80211_suspend,
.resume = mwifiex_cfg80211_resume,