From patchwork Mon Nov 22 14:25:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Deren Wu X-Patchwork-Id: 12632035 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B4B1FC433F5 for ; Mon, 22 Nov 2021 14:26:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Dd3K1sZU4JBLwOfb5w2jI2Urxfh0ZT7INHiFI+TS0/U=; b=ZZfmDhWETGR8fe 5Af3XqO0f4/wWujJhkqRQQruc5essheybr6s73kyVEq7wSlfP6J8lOxhB0tMLR6LwmxlblLYIqx0Y MLxWXrSvCjGpahKG0xjSjIGSUDT0ebgSaF0Z2KFjlhupCmxHsB8iTD13kkG+AcaGQujjbqphcNl6S a6ZUVNL9Nj/ClhE2YyUtJnbYyu0vZjYLr+KTMhE4i91+ywjOlPPBPkJSen1BHpYaTSNMJABrR62TO RG5zpjB3Nqv78tTcGiss+nLRIt12Afap5dQtx3sJritMY/wR4iA6CG1hMWMZ9EQBafptCfLosQGxo yTsTg8/U+w6q25AXTQOg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mpAHL-00Gqul-9h; Mon, 22 Nov 2021 14:26:43 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mpAHH-00GqtJ-Hd for linux-mediatek@lists.infradead.org; Mon, 22 Nov 2021 14:26:42 +0000 X-UUID: 86b5f6caa9c244d7a1f73da60d05b6d5-20211122 X-UUID: 86b5f6caa9c244d7a1f73da60d05b6d5-20211122 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 491494665; Mon, 22 Nov 2021 07:26:34 -0700 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 22 Nov 2021 06:26:32 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 22 Nov 2021 22:26:25 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 22 Nov 2021 22:26:24 +0800 From: Deren Wu To: Felix Fietkau , Lorenzo Bianconi CC: Sean Wang , Soul Huang , YN Chen , Leon Yen , "Eric-SY Chang" , Deren Wu , KM Lin , Robin Chiu , CH Yeh , Posh Sun , Eric Liang , Stella Chang , "Evelyn Tsai" , Ryder Lee , "Shayne Chen" , linux-wireless , linux-mediatek , Deren Wu Subject: [PATCH] mt76: mt7921: fix timestamp check in tx_status Date: Mon, 22 Nov 2021 22:25:44 +0800 Message-ID: <934b51921e22ca6f8983d7cbd9feb5248f804303.1637590567.git.deren.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211122_062639_624207_5D6D380B X-CRM114-Status: GOOD ( 10.88 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Deren Wu Should keep SKBs only if timeout timestamp is still after jiffies. Otherwise, report tx status and drop it direclty. Fixes: bd1e3e7b693c ("mt76: introduce packet_id idr") Signed-off-by: Deren Wu Acked-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/tx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index 11719ef034d8..6b8c9dc80542 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -173,7 +173,7 @@ mt76_tx_status_skb_get(struct mt76_dev *dev, struct mt76_wcid *wcid, int pktid, if (!(cb->flags & MT_TX_CB_DMA_DONE)) continue; - if (!time_is_after_jiffies(cb->jiffies + + if (time_is_after_jiffies(cb->jiffies + MT_TX_STATUS_SKB_TIMEOUT)) continue; }