From patchwork Tue Oct 27 13:55:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 312317 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=-12.8 required=3.0 tests=BAYES_00,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=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 9BDC5C55178 for ; Tue, 27 Oct 2020 16:30:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4410420829 for ; Tue, 27 Oct 2020 16:30:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603816213; bh=W7djoAKVSL07Q8YxcMiprpi1nhnt1rRDRNxZOdBdfkU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=hokg6p+D20xqwjE0T4tF0Vn/UrJFDKLQ8/HD5qKhqMG3w6EAHtCyFi2pWyPWlivO4 x6qWGpcYNRSfF+3T6973bOK8FVQ08VrGOTJRpPFua9qKj9AdBAld/f4zNEgIBpTKTd UvyUhTyJw7yYkL6AV9a9x+Bxo9EE4E0c7noy7ksE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2902228AbgJ0QaM (ORCPT ); Tue, 27 Oct 2020 12:30:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:52134 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1802649AbgJ0Pum (ORCPT ); Tue, 27 Oct 2020 11:50:42 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 3A5102072C; Tue, 27 Oct 2020 15:50:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603813841; bh=W7djoAKVSL07Q8YxcMiprpi1nhnt1rRDRNxZOdBdfkU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lh3S/dpQmw3UDJkhU85MKxGfXyVBBXqoKg5PW462tj1ZpVWCth0naKUXGnV9mVTCx KpE5erpDp7dyDRFSwaRE5aJKGsoTZ7ZBFEdA3TecNEl73N/JfSTvh31x0VM8qxQAbE y4XEIWK1eYQoVN6iPRDdoN93iUq2VZblGiF7+its= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tzu-En Huang , Kalle Valo , Sasha Levin Subject: [PATCH 5.9 689/757] rtw88: increse the size of rx buffer size Date: Tue, 27 Oct 2020 14:55:39 +0100 Message-Id: <20201027135522.850234100@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027135450.497324313@linuxfoundation.org> References: <20201027135450.497324313@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tzu-En Huang [ Upstream commit ee755732b7a16af018daa77d9562d2493fb7092f ] The vht capability of MAX_MPDU_LENGTH is 11454 in rtw88; however, the rx buffer size for each packet is 8192. When receiving packets that are larger than rx buffer size, it will leads to rx buffer ring overflow. Signed-off-by: Tzu-En Huang Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20200925061219.23754-2-tehuang@realtek.com Signed-off-by: Sasha Levin --- drivers/net/wireless/realtek/rtw88/pci.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/pci.h b/drivers/net/wireless/realtek/rtw88/pci.h index 024c2bc275cbe..ca17aa9cf7dc7 100644 --- a/drivers/net/wireless/realtek/rtw88/pci.h +++ b/drivers/net/wireless/realtek/rtw88/pci.h @@ -9,8 +9,8 @@ #define RTK_BEQ_TX_DESC_NUM 256 #define RTK_MAX_RX_DESC_NUM 512 -/* 8K + rx desc size */ -#define RTK_PCI_RX_BUF_SIZE (8192 + 24) +/* 11K + rx desc size */ +#define RTK_PCI_RX_BUF_SIZE (11454 + 24) #define RTK_PCI_CTRL 0x300 #define BIT_RST_TRXDMA_INTF BIT(20)