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

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

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 41812a1..875c8de 100644 (file)
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -19,6 +19,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/pm_qos_params.h>
 #include <linux/crc32.h>
+#include <linux/slab.h>
 #include <net/mac80211.h>
 #include <asm/unaligned.h>
 
@@ -167,6 +168,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
        ht_changed = conf_is_ht(&local->hw.conf) != enable_ht ||
                     channel_type != local->hw.conf.channel_type;
 
+       if (local->tmp_channel)
+               local->tmp_channel_type = channel_type;
        local->oper_channel_type = channel_type;
 
        if (ht_changed) {
@@ -177,7 +180,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
                sta = sta_info_get(sdata, bssid);
                if (sta)
                        rate_control_rate_update(local, sband, sta,
-                                                IEEE80211_RC_HT_CHANGED);
+                                                IEEE80211_RC_HT_CHANGED,
+                                                local->oper_channel_type);
                rcu_read_unlock();
         }
 
@@ -435,10 +439,12 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
                if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
                        ieee80211_send_nullfunc(local, sdata, 1);
 
-               if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
-                       conf->flags |= IEEE80211_CONF_PS;
-                       ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
-               }
+               if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
+                   (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
+                       return;
+
+               conf->flags |= IEEE80211_CONF_PS;
+               ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
        }
 }
 
@@ -557,7 +563,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
            (!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)))
                ieee80211_send_nullfunc(local, sdata, 1);
 
-       if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) ||
+       if (!((local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) &&
+             (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) ||
            (ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
                ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
                local->hw.conf.flags |= IEEE80211_CONF_PS;
@@ -1893,8 +1900,20 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 
        mutex_lock(&ifmgd->mtx);
        if (ifmgd->associated) {
-               mutex_unlock(&ifmgd->mtx);
-               return -EALREADY;
+               if (!req->prev_bssid ||
+                   memcmp(req->prev_bssid, ifmgd->associated->bssid,
+                          ETH_ALEN)) {
+                       /*
+                        * We are already associated and the request was not a
+                        * reassociation request from the current BSS, so
+                        * reject it.
+                        */
+                       mutex_unlock(&ifmgd->mtx);
+                       return -EALREADY;
+               }
+
+               /* Trying to reassociate - clear previous association state */
+               ieee80211_set_disassoc(sdata);
        }
        mutex_unlock(&ifmgd->mtx);
 
@@ -2011,7 +2030,8 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
                                continue;
 
                        if (wk->type != IEEE80211_WORK_DIRECT_PROBE &&
-                           wk->type != IEEE80211_WORK_AUTH)
+                           wk->type != IEEE80211_WORK_AUTH &&
+                           wk->type != IEEE80211_WORK_ASSOC)
                                continue;
 
                        if (memcmp(req->bss->bssid, wk->filter_ta, ETH_ALEN))