Return-path: Received: from rtits2.realtek.com ([211.75.126.72]:54055 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750861AbeAQGPu (ORCPT ); Wed, 17 Jan 2018 01:15:50 -0500 From: To: CC: , , Subject: [PATCH v3 03/10] rtlwifi: unlink bss when un-association Date: Wed, 17 Jan 2018 14:15:23 +0800 Message-ID: <20180117061530.30049-4-pkshih@realtek.com> (sfid-20180117_071616_450151_D3B4DCB6) In-Reply-To: <20180117061530.30049-1-pkshih@realtek.com> References: <20180117061530.30049-1-pkshih@realtek.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Tsang-Shian Lin 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 Signed-off-by: Ping-Ke Shih --- 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