From patchwork Tue Apr 14 21:00:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 216009 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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MIME_BASE64_TEXT, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 129E7C2BB85 for ; Tue, 14 Apr 2020 21:06:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E5A352076A for ; Tue, 14 Apr 2020 21:06:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="uIFSFJMN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2633683AbgDNVF4 (ORCPT ); Tue, 14 Apr 2020 17:05:56 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:3408 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2633558AbgDNVBc (ORCPT ); Tue, 14 Apr 2020 17:01:32 -0400 X-UUID: 46ce36308bf24af09c461d647c171a7a-20200415 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=w7xtRv8vlqO5EQ+J2L0Cx4x5jxri0BXKTgW3PSYCHdw=; b=uIFSFJMN2BHReVMRT0ZSexU+l1urKBFEHLiFAQuawjRzUBsyvMndggaWf4CVFeLSWpSvXC1jGjTHJrLBAqCxkH5UNECOFledPHHteFOAfR8+78V9mrDcygS7fBxoUzfBEwDd4NgtONAvwJCyf1gz2SHoqLJSo+oIoM4RSjLuMB8=; X-UUID: 46ce36308bf24af09c461d647c171a7a-20200415 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 708231329; Wed, 15 Apr 2020 05:01:21 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs06n2.mediatek.inc (172.21.101.130) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 15 Apr 2020 05:01:19 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 15 Apr 2020 05:01:17 +0800 From: Ryder Lee To: Felix Fietkau , Lorenzo Bianconi CC: Shayne Chen , YF Luo , Yiwei Chung , Chih-Min Chen , Evelyn Tsai , Sean Wang , , , Ryder Lee Subject: [PATCH v2 01/18] mt76: avoid rx reorder buffer overflow Date: Wed, 15 Apr 2020 05:00:59 +0800 Message-ID: <9b1aae827f7d8c757f2fada3c36a9db3c2d34e8c.1586895593.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-TM-SNTS-SMTP: 3475FB5EC49BEE4321CD8E7AB9EED1FC4A4E458FDCE47D7EF9DAEC7A46B9187E2000:8 X-MTK: N Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Enlarge slot to support 11ax 256 BA (256 MPDUs in an AMPDU) Signed-off-by: Chih-Min Chen Signed-off-by: Ryder Lee --- drivers/net/wireless/mediatek/mt76/agg-rx.c | 8 ++++---- drivers/net/wireless/mediatek/mt76/mt76.h | 6 +++--- 2 files changed, 7 insertions(+), 7 deletions(-) -- 2.18.0 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 e31d98a4f88f..36fe163889b8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -244,8 +244,8 @@ struct mt76_rx_tid { struct delayed_work reorder_work; u16 head; - u8 size; - u8 nframes; + u16 size; + u16 nframes; u8 num; @@ -794,7 +794,7 @@ 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,