Return-path: Received: from mail-lf0-f45.google.com ([209.85.215.45]:34293 "EHLO mail-lf0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753982AbbK0Ih1 (ORCPT ); Fri, 27 Nov 2015 03:37:27 -0500 Received: by lffu14 with SMTP id u14so121540119lff.1 for ; Fri, 27 Nov 2015 00:37:25 -0800 (PST) From: Janusz Dziedzic To: linux-wireless@vger.kernel.org Cc: ath9k-devel@lists.ath9k.org, nbd@openwrt.org, Janusz Dziedzic Subject: [PATCH v2 03/13] ath9k: queue null frames in case of MCC Date: Fri, 27 Nov 2015 09:37:08 +0100 Message-Id: <1448613438-5173-3-git-send-email-janusz.dziedzic@tieto.com> (sfid-20151127_093731_053498_A3CDBB5B) In-Reply-To: <1448613438-5173-1-git-send-email-janusz.dziedzic@tieto.com> References: <1448613438-5173-1-git-send-email-janusz.dziedzic@tieto.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: While mac80211 using null frames when connection polling, we should queue this frames while NOA could be there, and AP, P2P_GO could be not present. Without this patch, with no traffic we often saw disconnections while we try to send nullfunc when AP/GO wasn't present. Signed-off-by: Janusz Dziedzic --- drivers/net/wireless/ath/ath9k/xmit.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 26698a6..82fc76f 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -2331,6 +2331,12 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, queue = ieee80211_is_data_present(hdr->frame_control); + /* If chanctx, queue all null frames while NOA could be there */ + if (ath9k_is_chanctx_enabled() && + ieee80211_is_nullfunc(hdr->frame_control) && + !txctl->force_channel) + queue = true; + /* Force queueing of all frames that belong to a virtual interface on * a different channel context, to ensure that they are sent on the * correct channel. -- 1.9.1