From patchwork Mon May 17 14:00:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 440738 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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 72A02C43611 for ; Mon, 17 May 2021 15:14:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4FF47610FA for ; Mon, 17 May 2021 15:14:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243677AbhEQPQG (ORCPT ); Mon, 17 May 2021 11:16:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:34366 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243336AbhEQPNg (ORCPT ); Mon, 17 May 2021 11:13:36 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 31C716143B; Mon, 17 May 2021 14:31:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621261903; bh=zIWO+613aa93ZZ/vIAzAca28AJUUZ1Qux+x+xGm+ZvE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S1ztyF/i5sCc37hTiiwBFVMNzybWQj92hRhLdzR3BUPAuf/3D00Z4jR31gfwtAXWY aGB1wVRP7mU6PyVdCV/xsJOV4GHLCqyqUvoSBn6zh1V5D81UShqYJlz/OBQIO/r1c9 Pl2XX8/lUQdAtU30wJbXXGijbQqczo7qNjc80SMo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Felix Fietkau , Ilya Lipnitskiy , "David S. Miller" , Sasha Levin Subject: [PATCH 5.10 083/289] net: ethernet: mtk_eth_soc: fix RX VLAN offload Date: Mon, 17 May 2021 16:00:08 +0200 Message-Id: <20210517140307.980372445@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210517140305.140529752@linuxfoundation.org> References: <20210517140305.140529752@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Felix Fietkau [ Upstream commit 3f57d8c40fea9b20543cab4da12f4680d2ef182c ] The VLAN ID in the rx descriptor is only valid if the RX_DMA_VTAG bit is set. Fixes frames wrongly marked with VLAN tags. Signed-off-by: Felix Fietkau [Ilya: fix commit message] Signed-off-by: Ilya Lipnitskiy Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 6d2d60675ffd..d930fcda9c3b 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1319,7 +1319,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, skb->protocol = eth_type_trans(skb, netdev); if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX && - RX_DMA_VID(trxd.rxd3)) + (trxd.rxd2 & RX_DMA_VTAG)) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), RX_DMA_VID(trxd.rxd3)); skb_record_rx_queue(skb, 0); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 454cfcd465fd..73ce1f0f307a 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -295,6 +295,7 @@ #define RX_DMA_LSO BIT(30) #define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16) #define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff) +#define RX_DMA_VTAG BIT(15) /* QDMA descriptor rxd3 */ #define RX_DMA_VID(_x) ((_x) & 0xfff)