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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D426C433DF for ; Tue, 9 Jun 2020 00:50:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D922420760 for ; Tue, 9 Jun 2020 00:50:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591663855; bh=CGzh+HG9gdObzHYjIGpJriiMsMkUFPO08y8dxumQ1IU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=XdDv5X1W6t9G2FUA3omsjSca34gCitR0gXWh42uSqXFSJJyh8N07l6LThtTHshFHL Z4SULf5VcCZDYKyQy8C3uhfxrM2ZrT+BfpQiNsIs1bfgIsB47G11zYmCQprdz/iToG kWJDguRhBEsA0zwDYEXTvzomVtCI4vqsxHjdCDH0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733296AbgFIAuz (ORCPT ); Mon, 8 Jun 2020 20:50:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:56554 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728647AbgFHXKY (ORCPT ); Mon, 8 Jun 2020 19:10:24 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 56F8F20E65; Mon, 8 Jun 2020 23:10:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591657824; bh=CGzh+HG9gdObzHYjIGpJriiMsMkUFPO08y8dxumQ1IU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=J8GwOm/j3MDMPb4xbptuftEWh4l7U4VhwLWL0bV/zOIN6AUf7Zb7HmJRJBrmoza5t mn+IBZ2SaI9F+SpT9TXulgmFtsMbkTgKPUHHATNK/c6Nc2s2Mg24zHPt9TGSBxO+rX gFwPjF5Dzqwdr7koxeiFuTntKSqurzPFKzLmhzr8= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Ryder Lee , Chih-Min Chen , Felix Fietkau , Sasha Levin , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 5.7 196/274] mt76: avoid rx reorder buffer overflow Date: Mon, 8 Jun 2020 19:04:49 -0400 Message-Id: <20200608230607.3361041-196-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200608230607.3361041-1-sashal@kernel.org> References: <20200608230607.3361041-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ryder Lee [ Upstream commit 7c4f744d6703757be959f521a7a441bf34745d99 ] Enlarge slot to support 11ax 256 BA (256 MPDUs in an AMPDU) Signed-off-by: Chih-Min Chen Signed-off-by: Ryder Lee Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/agg-rx.c | 8 ++++---- drivers/net/wireless/mediatek/mt76/mt76.h | 6 +++--- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/agg-rx.c b/drivers/net/wireless/mediatek/mt76/agg-rx.c index f77f03530259..acdbe6f8248d 100644 --- a/drivers/net/wireless/mediatek/mt76/agg-rx.c +++ b/drivers/net/wireless/mediatek/mt76/agg-rx.c @@ -152,8 +152,8 @@ void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames) struct ieee80211_sta *sta; struct mt76_rx_tid *tid; bool sn_less; - u16 seqno, head, size; - u8 ackp, idx; + u16 seqno, head, size, idx; + u8 ackp; __skb_queue_tail(frames, skb); @@ -239,7 +239,7 @@ void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames) } int mt76_rx_aggr_start(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tidno, - u16 ssn, u8 size) + u16 ssn, u16 size) { struct mt76_rx_tid *tid; @@ -264,7 +264,7 @@ EXPORT_SYMBOL_GPL(mt76_rx_aggr_start); static void mt76_rx_aggr_shutdown(struct mt76_dev *dev, struct mt76_rx_tid *tid) { - u8 size = tid->size; + u16 size = tid->size; int i; spin_lock_bh(&tid->lock); diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 8e4759bc8f59..37641ad14d49 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -241,8 +241,8 @@ struct mt76_rx_tid { struct delayed_work reorder_work; u16 head; - u8 size; - u8 nframes; + u16 size; + u16 nframes; u8 num; @@ -788,7 +788,7 @@ int mt76_get_survey(struct ieee80211_hw *hw, int idx, void mt76_set_stream_caps(struct mt76_dev *dev, bool vht); int mt76_rx_aggr_start(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid, - u16 ssn, u8 size); + u16 ssn, u16 size); void mt76_rx_aggr_stop(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid); void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid, -- 2.25.1