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

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

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index a87e309..b72ee64 100644 (file)
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -13,6 +13,7 @@
  */
 
 #include <linux/delay.h>
+#include <linux/slab.h>
 #include <linux/if_ether.h>
 #include <linux/skbuff.h>
 #include <linux/if_arp.h>
@@ -91,6 +92,12 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
        if (memcmp(ifibss->bssid, bssid, ETH_ALEN))
                sta_info_flush(sdata->local, sdata);
 
+       /* if merging, indicate to driver that we leave the old IBSS */
+       if (sdata->vif.bss_conf.ibss_joined) {
+               sdata->vif.bss_conf.ibss_joined = false;
+               ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IBSS);
+       }
+
        memcpy(ifibss->bssid, bssid, ETH_ALEN);
 
        sdata->drop_unencrypted = capability & WLAN_CAPABILITY_PRIVACY ? 1 : 0;
@@ -482,7 +489,9 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
        printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other "
               "IBSS networks with same SSID (merge)\n", sdata->name);
 
-       ieee80211_request_internal_scan(sdata, ifibss->ssid, ifibss->ssid_len);
+       ieee80211_request_internal_scan(sdata,
+                       ifibss->ssid, ifibss->ssid_len,
+                       ifibss->fixed_channel ? ifibss->channel : NULL);
 }
 
 static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
@@ -589,8 +598,9 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
                printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to "
                       "join\n", sdata->name);
 
-               ieee80211_request_internal_scan(sdata, ifibss->ssid,
-                                               ifibss->ssid_len);
+               ieee80211_request_internal_scan(sdata,
+                               ifibss->ssid, ifibss->ssid_len,
+                               ifibss->fixed_channel ? ifibss->channel : NULL);
        } else {
                int interval = IEEE80211_SCAN_INTERVAL;
 
@@ -898,6 +908,12 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
        sdata->u.ibss.channel = params->channel;
        sdata->u.ibss.fixed_channel = params->channel_fixed;
 
+       /* fix ourselves to that channel now already */
+       if (params->channel_fixed) {
+               sdata->local->oper_channel = params->channel;
+               sdata->local->oper_channel_type = NL80211_CHAN_NO_HT;
+       }
+
        if (params->ie) {
                sdata->u.ibss.ie = kmemdup(params->ie, params->ie_len,
                                           GFP_KERNEL);