Search Linux Wireless

[PATCH v3 03/10] rtlwifi: unlink bss when un-association

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Tsang-Shian Lin <thlin@xxxxxxxxxxx>

When AP change bandwidth setting from 20M to 40M, STA may use old 20M AP
information to association with AP. Driver unlink bss in the
.bss_info_changed of ieee80211_ops to make sure that later scan can get
correct AP bandwidth capability.

Signed-off-by: Tsang-Shian Lin <thlin@xxxxxxxxxxx>
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
---
 drivers/net/wireless/realtek/rtlwifi/core.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c
index a78b828f531a..a16aa94273e8 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -1162,6 +1162,8 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
 			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
 				 "BSS_CHANGED_ASSOC\n");
 		} else {
+			struct cfg80211_bss *bss = NULL;
+
 			mstatus = RT_MEDIA_DISCONNECT;
 
 			if (mac->link_state == MAC80211_LINKED)
@@ -1169,6 +1171,22 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw,
 			if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE)
 				rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE);
 			mac->link_state = MAC80211_NOLINK;
+
+			bss = cfg80211_get_bss(hw->wiphy, NULL,
+					       (u8 *)mac->bssid, NULL, 0,
+					       IEEE80211_BSS_TYPE_ESS,
+					       IEEE80211_PRIVACY_OFF);
+
+			RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
+				 "bssid = %pMF\n", mac->bssid);
+
+			if (bss) {
+				cfg80211_unlink_bss(hw->wiphy, bss);
+				cfg80211_put_bss(hw->wiphy, bss);
+				RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG,
+					 "cfg80211_unlink !!\n");
+			}
+
 			eth_zero_addr(mac->bssid);
 			mac->vendor = PEER_UNKNOWN;
 			mac->mode = 0;
-- 
2.15.1




[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux