1 files changed, 105 insertions, 13 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 9cd73b11506e..44049733c4ea 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -316,6 +316,17 @@ static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
         return 0;
 }
 
+static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx)
+{
+        if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
+                struct ieee80211_supported_band *sband;
+                sband = sta->local->hw.wiphy->bands[
+                                sta->local->hw.conf.channel->band];
+                rate->legacy = sband->bitrates[idx].bitrate;
+        } else
+                rate->mcs = idx;
+}
+
 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 {
         struct ieee80211_sub_if_data *sdata = sta->sdata;
@@ -330,6 +341,7 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
                         STATION_INFO_TX_RETRIES |
                         STATION_INFO_TX_FAILED |
                         STATION_INFO_TX_BITRATE |
+                        STATION_INFO_RX_BITRATE |
                         STATION_INFO_RX_DROP_MISC;
 
         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
@@ -355,15 +367,16 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
                 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
         if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
                 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+        rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx);
 
-        if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
-                struct ieee80211_supported_band *sband;
-                sband = sta->local->hw.wiphy->bands[
-                                sta->local->hw.conf.channel->band];
-                sinfo->txrate.legacy =
-                        sband->bitrates[sta->last_tx_rate.idx].bitrate;
-        } else
-                sinfo->txrate.mcs = sta->last_tx_rate.idx;
+        sinfo->rxrate.flags = 0;
+        if (sta->last_rx_rate_flag & RX_FLAG_HT)
+                sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS;
+        if (sta->last_rx_rate_flag & RX_FLAG_40MHZ)
+                sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+        if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI)
+                sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+        rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx);
 
         if (ieee80211_vif_is_mesh(&sdata->vif)) {
 #ifdef CONFIG_MAC80211_MESH
@@ -821,6 +834,10 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 
         rcu_read_unlock();
 
+        if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+            params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
+                ieee80211_recalc_ps(local, -1);
+
         return 0;
 }
 
@@ -1215,6 +1232,9 @@ static int ieee80211_set_channel(struct wiphy *wiphy,
 {
         struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata = NULL;
+        struct ieee80211_channel *old_oper;
+        enum nl80211_channel_type old_oper_type;
+        enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT;
 
         if (netdev)
                 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
@@ -1232,13 +1252,23 @@ static int ieee80211_set_channel(struct wiphy *wiphy,
                 break;
         }
 
-        local->oper_channel = chan;
+        if (sdata)
+                old_vif_oper_type = sdata->vif.bss_conf.channel_type;
+        old_oper_type = local->_oper_channel_type;
 
         if (!ieee80211_set_channel_type(local, sdata, channel_type))
                 return -EBUSY;
 
-        ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
-        if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
+        old_oper = local->oper_channel;
+        local->oper_channel = chan;
+
+        /* Update driver if changes were actually made. */
+        if ((old_oper != local->oper_channel) ||
+            (old_oper_type != local->_oper_channel_type))
+                ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+
+        if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) &&
+            old_vif_oper_type != sdata->vif.bss_conf.channel_type)
                 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
 
         return 0;
@@ -1274,8 +1304,11 @@ static int ieee80211_scan(struct wiphy *wiphy,
         case NL80211_IFTYPE_P2P_GO:
                 if (sdata->local->ops->hw_scan)
                         break;
-                /* FIXME: implement NoA while scanning in software */
-                return -EOPNOTSUPP;
+                /*
+                 * FIXME: implement NoA while scanning in software,
+                 * for now fall through to allow scanning only when
+                 * beaconing hasn't been configured yet
+                 */
         case NL80211_IFTYPE_AP:
                 if (sdata->u.ap.beacon)
                         return -EOPNOTSUPP;
@@ -1471,6 +1504,8 @@ int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
         enum ieee80211_smps_mode old_req;
         int err;
 
+        lockdep_assert_held(&sdata->u.mgd.mtx);
+
         old_req = sdata->u.mgd.req_smps;
         sdata->u.mgd.req_smps = smps_mode;
 
@@ -1784,6 +1819,33 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
 
         *cookie = (unsigned long) skb;
 
+        if (is_offchan && local->ops->offchannel_tx) {
+                int ret;
+
+                IEEE80211_SKB_CB(skb)->band = chan->band;
+
+                mutex_lock(&local->mtx);
+
+                if (local->hw_offchan_tx_cookie) {
+                        mutex_unlock(&local->mtx);
+                        return -EBUSY;
+                }
+
+                /* TODO: bitrate control, TX processing? */
+                ret = drv_offchannel_tx(local, skb, chan, channel_type, wait);
+
+                if (ret == 0)
+                        local->hw_offchan_tx_cookie = *cookie;
+                mutex_unlock(&local->mtx);
+
+                /*
+                 * Allow driver to return 1 to indicate it wants to have the
+                 * frame transmitted with a remain_on_channel + regular TX.
+                 */
+                if (ret != 1)
+                        return ret;
+        }
+
         if (is_offchan && local->ops->remain_on_channel) {
                 unsigned int duration;
                 int ret;
@@ -1847,6 +1909,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
 
         wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
         wk->chan = chan;
+        wk->chan_type = channel_type;
         wk->sdata = sdata;
         wk->done = ieee80211_offchan_tx_done;
         wk->offchan_tx.frame = skb;
@@ -1869,6 +1932,18 @@ static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
 
         mutex_lock(&local->mtx);
 
+        if (local->ops->offchannel_tx_cancel_wait &&
+            local->hw_offchan_tx_cookie == cookie) {
+                ret = drv_offchannel_tx_cancel_wait(local);
+
+                if (!ret)
+                        local->hw_offchan_tx_cookie = 0;
+
+                mutex_unlock(&local->mtx);
+
+                return ret;
+        }
+
         if (local->ops->cancel_remain_on_channel) {
                 cookie ^= 2;
                 ret = ieee80211_cancel_remain_on_channel_hw(local, cookie);
@@ -1939,6 +2014,21 @@ static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
         return drv_get_antenna(local, tx_ant, rx_ant);
 }
 
+static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
+{
+        struct ieee80211_local *local = wiphy_priv(wiphy);
+
+        return drv_set_ringparam(local, tx, rx);
+}
+
+static void ieee80211_get_ringparam(struct wiphy *wiphy,
+                                    u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
+{
+        struct ieee80211_local *local = wiphy_priv(wiphy);
+
+        drv_get_ringparam(local, tx, tx_max, rx, rx_max);
+}
+
 struct cfg80211_ops mac80211_config_ops = {
         .add_virtual_intf = ieee80211_add_iface,
         .del_virtual_intf = ieee80211_del_iface,
@@ -1996,4 +2086,6 @@ struct cfg80211_ops mac80211_config_ops = {
         .mgmt_frame_register = ieee80211_mgmt_frame_register,
         .set_antenna = ieee80211_set_antenna,
         .get_antenna = ieee80211_get_antenna,
+        .set_ringparam = ieee80211_set_ringparam,
+        .get_ringparam = ieee80211_get_ringparam,
 };