From patchwork Fri Jun 19 14:31:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 223980 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 E99B3C433E1 for ; Fri, 19 Jun 2020 15:47:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA3852186A for ; Fri, 19 Jun 2020 15:47:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592581676; bh=ZI3l1S8gQpmiNJU5zPaXkISX8iBWee5MzLByTO5zS8k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=UuU9hIATwsuSqvAoB/T3QvK+v8dZinq3YpEeotckvMbTfe7GNurxelWgCeY1EbfSp Y5nwf8aaVAOVM/SrCn/kHSqQQ0rQ6kNnWAEA+WF+8YFan+n+04dBLTopvvAjsiYz1j vdrKCGM9Ls7fhygngJi1SImkyTNeijP2AuEEXHCo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405308AbgFSPrs (ORCPT ); Fri, 19 Jun 2020 11:47:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:57530 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393461AbgFSPZr (ORCPT ); Fri, 19 Jun 2020 11:25:47 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D877E20B80; Fri, 19 Jun 2020 15:25:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592580346; bh=ZI3l1S8gQpmiNJU5zPaXkISX8iBWee5MzLByTO5zS8k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2PoS7h3JElRRQt2zCJednmmexUcsrKhYyLaalM+3UFhpraMbczu95q+NyxuJYljSY 9lz8SqPf+wl+aPUbtbVaZBMV7cXHZTTjo8dn40/dgKV9FSX90in1ISh0Y9tMMluZys FfSWAhzis06u3TGLxdHx2iyGoq3krF8MA9nzFhfo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chih-Min Chen , Ryder Lee , Felix Fietkau , Sasha Levin Subject: [PATCH 5.7 184/376] mt76: avoid rx reorder buffer overflow Date: Fri, 19 Jun 2020 16:31:42 +0200 Message-Id: <20200619141719.061058574@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200619141710.350494719@linuxfoundation.org> References: <20200619141710.350494719@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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 @@ out: } 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,