[PATCH] mac80211: Look out for some other AP when disassoc is received.

[Vivek Natarajan <vnatarajan@atheros.com>]

From: Vivek Natarajan <vnatarajan@atheros.com>
Date: Fri, 21 Nov 2008 11:15:19 +0530
Subject: [PATCH] mac80211: Look out for some other AP when disassoc is received.

When a disassoc packet is received with a reason code of
'AP leaving the BSS', mac80211 should start looking for some
other AP instead of trying to associate with the same AP.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
---
 net/mac80211/mlme.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 90ad5a4..ee15e75 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -808,6 +808,10 @@ static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata,
 	mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
 }
 
+/*
+ * The disassoc 'reason' argument can be either our own reason
+ * if self disconnected or a reason code from the AP.
+ */
 static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 				   struct ieee80211_if_sta *ifsta, bool deauth,
 				   bool self_disconnected, u16 reason)
@@ -854,7 +858,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 
 	ieee80211_sta_send_apinfo(sdata, ifsta);
 
-	if (self_disconnected)
+	if (self_disconnected || reason == WLAN_REASON_DISASSOC_STA_HAS_LEFT)
 		ifsta->state = IEEE80211_STA_MLME_DISABLED;
 
 	sta_info_unlink(&sta);
@@ -1175,7 +1179,7 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
 				      IEEE80211_RETRY_AUTH_INTERVAL);
 	}
 
-	ieee80211_set_disassoc(sdata, ifsta, false, false, 0);
+	ieee80211_set_disassoc(sdata, ifsta, false, false, reason_code);
 }
 
 
-- 
1.5.6.4