1 files changed, 65 insertions, 14 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index c981604b71e6..ecf9b7166ed1 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -68,14 +68,42 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
                  params && params->use_4addr >= 0)
                 sdata->u.mgd.use_4addr = params->use_4addr;
 
-        if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags)
-                sdata->u.mntr_flags = *flags;
+        if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) {
+                struct ieee80211_local *local = sdata->local;
+
+                if (ieee80211_sdata_running(sdata)) {
+                        /*
+                         * Prohibit MONITOR_FLAG_COOK_FRAMES to be
+                         * changed while the interface is up.
+                         * Else we would need to add a lot of cruft
+                         * to update everything:
+                         *      cooked_mntrs, monitor and all fif_* counters
+                         *      reconfigure hardware
+                         */
+                        if ((*flags & MONITOR_FLAG_COOK_FRAMES) !=
+                            (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
+                                return -EBUSY;
+
+                        ieee80211_adjust_monitor_flags(sdata, -1);
+                        sdata->u.mntr_flags = *flags;
+                        ieee80211_adjust_monitor_flags(sdata, 1);
+
+                        ieee80211_configure_filter(local);
+                } else {
+                        /*
+                         * Because the interface is down, ieee80211_do_stop
+                         * and ieee80211_do_open take care of "everything"
+                         * mentioned in the comment above.
+                         */
+                        sdata->u.mntr_flags = *flags;
+                }
+        }
 
         return 0;
 }
 
 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
-                             u8 key_idx, const u8 *mac_addr,
+                             u8 key_idx, bool pairwise, const u8 *mac_addr,
                              struct key_params *params)
 {
         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -103,6 +131,9 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
         if (IS_ERR(key))
                 return PTR_ERR(key);
 
+        if (pairwise)
+                key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
+
         mutex_lock(&sdata->local->sta_mtx);
 
         if (mac_addr) {
@@ -125,7 +156,7 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 }
 
 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
-                             u8 key_idx, const u8 *mac_addr)
+                             u8 key_idx, bool pairwise, const u8 *mac_addr)
 {
         struct ieee80211_sub_if_data *sdata;
         struct sta_info *sta;
@@ -142,10 +173,17 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
                 if (!sta)
                         goto out_unlock;
 
-                if (sta->key) {
-                        ieee80211_key_free(sdata->local, sta->key);
-                        WARN_ON(sta->key);
-                        ret = 0;
+                if (pairwise) {
+                        if (sta->ptk) {
+                                ieee80211_key_free(sdata->local, sta->ptk);
+                                ret = 0;
+                        }
+                } else {
+                        if (sta->gtk[key_idx]) {
+                                ieee80211_key_free(sdata->local,
+                                                   sta->gtk[key_idx]);
+                                ret = 0;
+                        }
                 }
 
                 goto out_unlock;
@@ -167,7 +205,8 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
 }
 
 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
-                             u8 key_idx, const u8 *mac_addr, void *cookie,
+                             u8 key_idx, bool pairwise, const u8 *mac_addr,
+                             void *cookie,
                              void (*callback)(void *cookie,
                                               struct key_params *params))
 {
@@ -175,7 +214,7 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
         struct sta_info *sta = NULL;
         u8 seq[6] = {0};
         struct key_params params;
-        struct ieee80211_key *key;
+        struct ieee80211_key *key = NULL;
         u32 iv32;
         u16 iv16;
         int err = -ENOENT;
@@ -189,7 +228,10 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
                 if (!sta)
                         goto out;
 
-                key = sta->key;
+                if (pairwise)
+                        key = sta->ptk;
+                else if (key_idx < NUM_DEFAULT_KEYS)
+                        key = sta->gtk[key_idx];
         } else
                 key = sdata->keys[key_idx];
 
@@ -285,6 +327,8 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
                         STATION_INFO_TX_BYTES |
                         STATION_INFO_RX_PACKETS |
                         STATION_INFO_TX_PACKETS |
+                        STATION_INFO_TX_RETRIES |
+                        STATION_INFO_TX_FAILED |
                         STATION_INFO_TX_BITRATE;
 
         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
@@ -292,6 +336,8 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
         sinfo->tx_bytes = sta->tx_bytes;
         sinfo->rx_packets = sta->rx_packets;
         sinfo->tx_packets = sta->tx_packets;
+        sinfo->tx_retries = sta->tx_retry_count;
+        sinfo->tx_failed = sta->tx_retry_failed;
 
         if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
             (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
@@ -1317,7 +1363,7 @@ static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
 }
 
 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
-                                  u8 *addr)
+                                  const u8 *addr)
 {
         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
@@ -1366,7 +1412,7 @@ int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
         if (!sdata->u.mgd.associated ||
             sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
                 mutex_lock(&sdata->local->iflist_mtx);
-                ieee80211_recalc_smps(sdata->local, sdata);
+                ieee80211_recalc_smps(sdata->local);
                 mutex_unlock(&sdata->local->iflist_mtx);
                 return 0;
         }
@@ -1521,7 +1567,11 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
 
         switch (sdata->vif.type) {
         case NL80211_IFTYPE_ADHOC:
-                if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
+        case NL80211_IFTYPE_AP:
+        case NL80211_IFTYPE_AP_VLAN:
+        case NL80211_IFTYPE_P2P_GO:
+                if (!ieee80211_is_action(mgmt->frame_control) ||
+                    mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)
                         break;
                 rcu_read_lock();
                 sta = sta_info_get(sdata, mgmt->da);
@@ -1530,6 +1580,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
                         return -ENOLINK;
                 break;
         case NL80211_IFTYPE_STATION:
+        case NL80211_IFTYPE_P2P_CLIENT:
                 break;
         default:
                 return -EOPNOTSUPP;