From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD334C43219 for ; Sun, 9 Oct 2022 22:40:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232879AbiJIWka (ORCPT ); Sun, 9 Oct 2022 18:40:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233289AbiJIWjN (ORCPT ); Sun, 9 Oct 2022 18:39:13 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C32E340E21; Sun, 9 Oct 2022 15:21:30 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4AB3360C2B; Sun, 9 Oct 2022 22:20:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C74C4C433C1; Sun, 9 Oct 2022 22:20:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1665354020; bh=5wnxw6C7mEaBmctzT+ji9b0d4mmzMnevfMMXcjoG3Xg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bmmg8Pa08vDOskyMYO+KQDnzqVb6fqcYzsF8TB9TIS0i5IRoZMhCj8+lRnholcWro ppmNF3y4uRAAeYesgNkg7L9jMnLQdnuEMHd2p2Co+ahKdHrlh115+fH6xxB6wNkSGv CwzWESI4HJ/0NL9JpZJO0rQ9fylfgHCR6J9wQf/2QN4bqmU0XXy403Wrqmmptdvuwr eWmxGF3z3NfJksqSIbImjW2PwqVpKsVreomeBK+JP31Wzn+LjQjYF7oeaoNhHzaJuo f7DaxqXrOK+o4Vkl3jQFDvFYTJRGlCFf2gd4nj9q1R46wHhXzs/5ZucPJAFI5V30VY 9KDPe1n/+WJwQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sean Wang , YN Chen , Felix Fietkau , Sasha Levin , lorenzo@kernel.org, ryder.lee@mediatek.com, kvalo@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, matthias.bgg@gmail.com, johannes.berg@intel.com, deren.wu@mediatek.com, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 5.15 23/46] wifi: mt76: mt7921: reset msta->airtime_ac while clearing up hw value Date: Sun, 9 Oct 2022 18:18:48 -0400 Message-Id: <20221009221912.1217372-23-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221009221912.1217372-1-sashal@kernel.org> References: <20221009221912.1217372-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Sean Wang [ Upstream commit 1bf66dc31032ff5292f4d5b76436653f269fcfbd ] We should reset mstat->airtime_ac along with clear up the entries in the hardware WLAN table for the Rx and Rx accumulative airtime. Otherwsie, the value msta->airtime_ac - [tx, rx]_last may be a negative and that is not the actual airtime the device took in the last run. Reported-by: YN Chen Signed-off-by: Sean Wang Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7921/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c index 6cb65391427f..7b48df301079 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c @@ -627,6 +627,7 @@ void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, mt7921_mac_wtbl_update(dev, msta->wcid.idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); + memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac)); mt7921_mcu_sta_update(dev, sta, vif, true, MT76_STA_INFO_STATE_ASSOC); -- 2.35.1