From patchwork Tue Oct 27 13:51:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 306960 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=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, 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 77EE1C388F9 for ; Tue, 27 Oct 2020 18:05:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1BAF821556 for ; Tue, 27 Oct 2020 18:05:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603821939; bh=XjCeFuVIs7iMdOD4dixjzJsDhNXcVicMYLW7Q+67zsQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=APj2eTjcvSE81TQ4WJUv3uRaInNH+J5No+WDsim70hayAtUxuffZfFkWPHCBaKdD9 5pd5ydAuUdEPHIsrbWXOAQB/V4TKh1+WLezSaQpxEYDaybAQw4vNEqDp6RI+re2H+l 74qbr8JECkW2/co0ZdcAj7x6K9dLcdYd7YApVm0Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1824234AbgJ0SEf (ORCPT ); Tue, 27 Oct 2020 14:04:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:41810 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2901066AbgJ0OSU (ORCPT ); Tue, 27 Oct 2020 10:18:20 -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 28C84206D4; Tue, 27 Oct 2020 14:18:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603808299; bh=XjCeFuVIs7iMdOD4dixjzJsDhNXcVicMYLW7Q+67zsQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s7AmjhDaXJJidNK0udbjpeehltypq/11OyQVG4wIKwTzcYx+pEEgcV201dR4dujLg BM1M1JBWTWnfrq8bcMMxA5j9X5H2UZCVoGqhPeeB7cJtnM1Fxt0qm0lbbtavCGArjT A89fEgILxi7tdMuGZ0HYJW4vT2+LYSu0tz+73bmg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Petr Tesarik , Heiner Kallweit Subject: [PATCH 4.19 012/264] r8169: fix data corruption issue on RTL8402 Date: Tue, 27 Oct 2020 14:51:10 +0100 Message-Id: <20201027135431.236677193@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027135430.632029009@linuxfoundation.org> References: <20201027135430.632029009@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Heiner Kallweit [ Upstream commit ef9da46ddef071e1bbb943afbbe9b38771855554 ] Petr reported that after resume from suspend RTL8402 partially truncates incoming packets, and re-initializing register RxConfig before the actual chip re-initialization sequence is needed to avoid the issue. Reported-by: Petr Tesarik Proposed-by: Petr Tesarik Tested-by: Petr Tesarik Signed-off-by: Heiner Kallweit Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/realtek/r8169.c | 46 +++++++++++++++++++---------------- 1 file changed, 25 insertions(+), 21 deletions(-) --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -4111,6 +4111,27 @@ static void rtl_rar_set(struct rtl8169_p rtl_unlock_work(tp); } +static void rtl_init_rxcfg(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: + case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17: + RTL_W32(tp, RxConfig, RX_FIFO_THRESH | RX_DMA_BURST); + break; + case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24: + case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_36: + case RTL_GIGA_MAC_VER_38: + RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST); + break; + case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: + RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); + break; + default: + RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST); + break; + } +} + static int rtl_set_mac_address(struct net_device *dev, void *p) { struct rtl8169_private *tp = netdev_priv(dev); @@ -4128,6 +4149,10 @@ static int rtl_set_mac_address(struct ne pm_runtime_put_noidle(d); + /* Reportedly at least Asus X453MA truncates packets otherwise */ + if (tp->mac_version == RTL_GIGA_MAC_VER_37) + rtl_init_rxcfg(tp); + return 0; } @@ -4289,27 +4314,6 @@ static void rtl_pll_power_up(struct rtl8 } } -static void rtl_init_rxcfg(struct rtl8169_private *tp) -{ - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: - case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17: - RTL_W32(tp, RxConfig, RX_FIFO_THRESH | RX_DMA_BURST); - break; - case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24: - case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_36: - case RTL_GIGA_MAC_VER_38: - RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST); - break; - case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51: - RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); - break; - default: - RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST); - break; - } -} - static void rtl8169_init_ring_indexes(struct rtl8169_private *tp) { tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0;