From patchwork Fri Jun 9 12:47:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Haiyang Zhang X-Patchwork-Id: 13273886 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3241FC8300C for ; Fri, 9 Jun 2023 12:48:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238385AbjFIMr5 (ORCPT ); Fri, 9 Jun 2023 08:47:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240650AbjFIMrc (ORCPT ); Fri, 9 Jun 2023 08:47:32 -0400 Received: from DM6FTOPR00CU001.outbound.protection.outlook.com (mail-centralusazon11020018.outbound.protection.outlook.com [52.101.61.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F9022136; Fri, 9 Jun 2023 05:47:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KARYcr+kxKs9b18YepAhMJnpqOxunRj24pJUXq8iGXDFSzrscV7swD1lDkn/sWsER9YGKDHgnT3V+efgEYVig7NMOBQW5PfWzVATZGpbk7eF3U4Jab0CBGddW/17+N0TKc31dQRD9UPQKorX6wehgTikt9kGczqtGZ8hWaQ07G9f5Ifihg9PnWLmwig8Z8qR2ianwtsyVTrJZjrXZ5WH55aQW0Mi8BqJufYR5iNfxlOgSA+nfS+uNek/uwKkagMjfiHeGk4yTPIMM4Magt2Aecymlobly6CQLTQMLG+tgOYxOO9kJ8cvjL8QrnR3b+7FYcAIwkmY9wHcRkVYOufcwg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=Q65oAac/4CkSujD77p+jm27aO2fBUlyIW/TMumQxvO4=; b=lxiKdBgmeFIWXpT3FY9GpFrO3jyaozinO/1NSB/OVK5IGQ7ZmEoRzU9iaC/n7pqPXGvQ87LiMhxIAQCAk3TK6yrKLEdmpt2MW/zjVp8U6e1oYaGlnFrQjbLcSii9NK74qZ/fejmlCEU3MPyyNgOKkQ6Vl3RN9Uy8ppG8tJoq1Fq9ISD8BSwI0v6Slz3b3KOBxaUYHR3kUHNrQ4r75FZujAHQG1mbfAr3SAsuh92gK8u8Mewfu6M4F0ekjUa0/WGrvXBxJVf93UuSU5QwXaJTlPna1J19WdNte8BhZx613JTWdgTSpj4BmGERPaFZ7h7+oRcF/RnKxYzMQmwxQavo9g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=microsoft.com; dmarc=pass action=none header.from=microsoft.com; dkim=pass header.d=microsoft.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Q65oAac/4CkSujD77p+jm27aO2fBUlyIW/TMumQxvO4=; b=YoFiJ2Oqzg03amzIrXTuGEFxLTOJ3KUpbhc/6vjVgwsvrr9U0twhNq1rvn2ezGiP22nbBdzFB+gepDP4XW7rdPH+M7rj57qz52nYNqTNF+cjc8GZx7Dt2zRSpPAUagEIEcBsxvql2Du3HGbdpmxzBnyoSqdUAhhSByewp8ohSCc= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=microsoft.com; Received: from BY5PR21MB1443.namprd21.prod.outlook.com (2603:10b6:a03:21f::18) by DM4PR21MB3056.namprd21.prod.outlook.com (2603:10b6:8:5c::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6500.6; Fri, 9 Jun 2023 12:47:28 +0000 Received: from BY5PR21MB1443.namprd21.prod.outlook.com ([fe80::4eff:a209:efda:81d4]) by BY5PR21MB1443.namprd21.prod.outlook.com ([fe80::4eff:a209:efda:81d4%6]) with mapi id 15.20.6500.016; Fri, 9 Jun 2023 12:47:27 +0000 From: Haiyang Zhang To: linux-hyperv@vger.kernel.org, netdev@vger.kernel.org Cc: haiyangz@microsoft.com, decui@microsoft.com, kys@microsoft.com, paulros@microsoft.com, olaf@aepfle.de, vkuznets@redhat.com, davem@davemloft.net, wei.liu@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, leon@kernel.org, longli@microsoft.com, ssengar@linux.microsoft.com, linux-rdma@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, bpf@vger.kernel.org, ast@kernel.org, sharmaajay@microsoft.com, hawk@kernel.org, tglx@linutronix.de, shradhagupta@linux.microsoft.com, linux-kernel@vger.kernel.org Subject: [PATCH net-next,V2] net: mana: Add support for vlan tagging Date: Fri, 9 Jun 2023 05:47:17 -0700 Message-Id: <1686314837-14042-1-git-send-email-haiyangz@microsoft.com> X-Mailer: git-send-email 1.8.3.1 X-ClientProxiedBy: MW4PR04CA0086.namprd04.prod.outlook.com (2603:10b6:303:6b::31) To BY5PR21MB1443.namprd21.prod.outlook.com (2603:10b6:a03:21f::18) MIME-Version: 1.0 Sender: LKML haiyangz X-MS-Exchange-MessageSentRepresentingType: 2 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY5PR21MB1443:EE_|DM4PR21MB3056:EE_ X-MS-Office365-Filtering-Correlation-Id: 94488e2b-4259-4a12-7994-08db68e7ada3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BY5PR21MB1443.namprd21.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(136003)(376002)(396003)(39860400002)(366004)(346002)(451199021)(66946007)(36756003)(7416002)(5660300002)(2906002)(6666004)(7846003)(6486002)(186003)(6512007)(83380400001)(52116002)(26005)(6506007)(82950400001)(478600001)(38350700002)(82960400001)(10290500003)(41300700001)(316002)(66556008)(2616005)(38100700002)(66476007)(4326008)(8936002)(8676002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 94488e2b-4259-4a12-7994-08db68e7ada3 X-MS-Exchange-CrossTenant-AuthSource: BY5PR21MB1443.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jun 2023 12:47:26.7101 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: U5Ion2XW9DPzD4nJCtDZ8DNK3yYXbx/BW1DYRV/hKyywG8WAZRAvy6Xt5zJ1oFEr4Oa/iVHuuZF+mNEqFa8ZRA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR21MB3056 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org To support vlan, use MANA_LONG_PKT_FMT if vlan tag is present in TX skb. Then extract the vlan tag from the skb struct, and save it to tx_oob for the NIC to transmit. For vlan tags on the payload, they are accepted by the NIC too. For RX, extract the vlan tag from CQE and put it into skb. Signed-off-by: Haiyang Zhang --- V2: Removed the code that extracts inband tag, because our NIC accepts inband tags too. --- drivers/net/ethernet/microsoft/mana/mana_en.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c index d907727c7b7a..cd4d5ceb9f2d 100644 --- a/drivers/net/ethernet/microsoft/mana/mana_en.c +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c @@ -179,6 +179,14 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev) pkg.tx_oob.s_oob.short_vp_offset = txq->vp_offset; } + if (skb_vlan_tag_present(skb)) { + pkt_fmt = MANA_LONG_PKT_FMT; + pkg.tx_oob.l_oob.inject_vlan_pri_tag = 1; + pkg.tx_oob.l_oob.pcp = skb_vlan_tag_get_prio(skb); + pkg.tx_oob.l_oob.dei = skb_vlan_tag_get_cfi(skb); + pkg.tx_oob.l_oob.vlan_id = skb_vlan_tag_get_id(skb); + } + pkg.tx_oob.s_oob.pkt_fmt = pkt_fmt; if (pkt_fmt == MANA_SHORT_PKT_FMT) { @@ -1457,6 +1465,12 @@ static void mana_rx_skb(void *buf_va, struct mana_rxcomp_oob *cqe, skb_set_hash(skb, hash_value, PKT_HASH_TYPE_L3); } + if (cqe->rx_vlantag_present) { + u16 vlan_tci = cqe->rx_vlan_id; + + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tci); + } + u64_stats_update_begin(&rx_stats->syncp); rx_stats->packets++; rx_stats->bytes += pkt_len; @@ -2451,8 +2465,9 @@ static int mana_probe_port(struct mana_context *ac, int port_idx, ndev->hw_features |= NETIF_F_RXCSUM; ndev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6; ndev->hw_features |= NETIF_F_RXHASH; - ndev->features = ndev->hw_features; - ndev->vlan_features = 0; + ndev->features = ndev->hw_features | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX; + ndev->vlan_features = ndev->features; ndev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT | NETDEV_XDP_ACT_NDO_XMIT;