Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[pandora-kernel.git] / net / mac80211 / cfg.c

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index ae37270..c7000a6 100644 (file)
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1162,15 +1162,39 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy,
 }
 
 static int ieee80211_set_channel(struct wiphy *wiphy,
+                                struct net_device *netdev,
                                 struct ieee80211_channel *chan,
                                 enum nl80211_channel_type channel_type)
 {
        struct ieee80211_local *local = wiphy_priv(wiphy);
+       struct ieee80211_sub_if_data *sdata = NULL;
+
+       if (netdev)
+               sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
+
+       switch (ieee80211_get_channel_mode(local, NULL)) {
+       case CHAN_MODE_HOPPING:
+               return -EBUSY;
+       case CHAN_MODE_FIXED:
+               if (local->oper_channel != chan)
+                       return -EBUSY;
+               if (!sdata && local->_oper_channel_type == channel_type)
+                       return 0;
+               break;
+       case CHAN_MODE_UNDEFINED:
+               break;
+       }
 
        local->oper_channel = chan;
-       local->oper_channel_type = channel_type;
 
-       return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+       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)
+               ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
+
+       return 0;
 }
 
 #ifdef CONFIG_PM
@@ -1214,6 +1238,20 @@ static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
                           struct cfg80211_assoc_request *req)
 {
+       struct ieee80211_local *local = wiphy_priv(wiphy);
+       struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+       switch (ieee80211_get_channel_mode(local, sdata)) {
+       case CHAN_MODE_HOPPING:
+               return -EBUSY;
+       case CHAN_MODE_FIXED:
+               if (local->oper_channel == req->bss->channel)
+                       break;
+               return -EBUSY;
+       case CHAN_MODE_UNDEFINED:
+               break;
+       }
+
        return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
 }
 
@@ -1236,8 +1274,22 @@ static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
                               struct cfg80211_ibss_params *params)
 {
+       struct ieee80211_local *local = wiphy_priv(wiphy);
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
+       switch (ieee80211_get_channel_mode(local, sdata)) {
+       case CHAN_MODE_HOPPING:
+               return -EBUSY;
+       case CHAN_MODE_FIXED:
+               if (!params->channel_fixed)
+                       return -EBUSY;
+               if (local->oper_channel == params->channel)
+                       break;
+               return -EBUSY;
+       case CHAN_MODE_UNDEFINED:
+               break;
+       }
+
        return ieee80211_ibss_join(sdata, params);
 }
 
@@ -1366,7 +1418,7 @@ int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
         * association, there's no need to send an action frame.
         */
        if (!sdata->u.mgd.associated ||
-           sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
+           sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
                mutex_lock(&sdata->local->iflist_mtx);
                ieee80211_recalc_smps(sdata->local, sdata);
                mutex_unlock(&sdata->local->iflist_mtx);