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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by DS3PEPF000099D8.mail.protection.outlook.com (10.167.17.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6977.16 via Frontend Transport; Thu, 9 Nov 2023 08:41:23 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Thu, 9 Nov 2023 00:41:14 -0800 Received: from nvidia.com (10.126.231.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Thu, 9 Nov 2023 00:41:12 -0800 From: Rongwei Liu To: , , , , , CC: , Erez Shitrit Subject: [PATCH v1 1/2] net/mlx5/hws: disable IPv6 routing extension relaxed mode Date: Thu, 9 Nov 2023 10:40:56 +0200 Message-ID: <20231109084057.452476-2-rongweil@nvidia.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20231109084057.452476-1-rongweil@nvidia.com> References: <20231109084057.452476-1-rongweil@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [10.126.231.35] X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099D8:EE_|SN7PR12MB7155:EE_ X-MS-Office365-Filtering-Correlation-Id: c1893143-d71f-4202-4b70-08dbe0ffa792 X-LD-Processed: 43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Nov 2023 08:41:23.4159 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c1893143-d71f-4202-4b70-08dbe0ffa792 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099D8.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7155 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org When relaxed mode is set, definer only programs the fields with mask in the pattern template. Assume a template like "ipv6_routing_ext ext_next_hdr mask 0xff ext_type mask 0xff / udp dst mask 0xffff" and rule like "ipv6_routing_ext ext_next_hdr spec 17 ext_next_hdr mask 0xff ext_type spec 4 ext_type mask 0xff / udp dst spec 100 dst mask 0xffff", there is a potential mis-matching. 1. User sends first packet as: Ether()/IPv6()/IPv6ExtHdrSegmentRouting()/UDP(sport=100,dport=200) Miss due to unexpected UDP dport. 2. User sends 2nd packet as: Ether()/IPv6()/UDP(sport=100,dport=100) Packet hit. Hardware cached the IPv6 routing extension information in the 1st packet and plus the UDP dport in the 2nd packet, it matches the rule by mistake. Signed-off-by: Rongwei Liu Cc: stable@dpdk.org Reviewed-by: Erez Shitrit Acked-by: Suanming Mou --- drivers/net/mlx5/hws/mlx5dr_definer.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.c b/drivers/net/mlx5/hws/mlx5dr_definer.c index 7dffbfb9b9..c0ccde64e1 100644 --- a/drivers/net/mlx5/hws/mlx5dr_definer.c +++ b/drivers/net/mlx5/hws/mlx5dr_definer.c @@ -2143,6 +2143,9 @@ mlx5dr_definer_conv_item_ipv6_routing_ext(struct mlx5dr_definer_conv_data *cd, fc->tag_mask_set = &mlx5dr_definer_ones_set; DR_CALC_SET(fc, eth_l3, protocol_next_header, inner); } + } else { + rte_errno = ENOTSUP; + return rte_errno; } if (!m) From patchwork Thu Nov 9 08:40:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rongwei Liu X-Patchwork-Id: 134010 X-Patchwork-Delegate: rasland@nvidia.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7ECDA432E1; 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Thu, 9 Nov 2023 00:41:17 -0800 Received: from nvidia.com (10.126.231.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Thu, 9 Nov 2023 00:41:14 -0800 From: Rongwei Liu To: , , , , , CC: , Erez Shitrit , Alex Vesker Subject: [PATCH v1 2/2] net/mlx5/hws: fix srv6 mismatching Date: Thu, 9 Nov 2023 10:40:57 +0200 Message-ID: <20231109084057.452476-3-rongweil@nvidia.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20231109084057.452476-1-rongweil@nvidia.com> References: <20231109084057.452476-1-rongweil@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [10.126.231.35] X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099D8:EE_|CH3PR12MB8457:EE_ X-MS-Office365-Filtering-Correlation-Id: b8e6c9db-bf75-48ba-a212-08dbe0ffaa32 X-LD-Processed: 43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Nov 2023 08:41:27.8221 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b8e6c9db-bf75-48ba-a212-08dbe0ffaa32 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099D8.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8457 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org When matching srv6 packets, the IPv6 protocol is set to 0x2b by srv6 callback in fc[IP_PROTO]. In the next layer, TCP/UDP callback reset the fc again to the corresponding values: 0x11/0x6. Signed-off-by: Rongwei Liu Fixes: 00e579166cc0 ("net/mlx5: support IPv6 routing extension matching") Cc: stable@dpdk.org Reviewed-by: Erez Shitrit Acked-by: Suanming Mou --- drivers/net/mlx5/hws/mlx5dr_definer.c | 21 +++++++++++++-------- drivers/net/mlx5/hws/mlx5dr_definer.h | 1 + 2 files changed, 14 insertions(+), 8 deletions(-) diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.c b/drivers/net/mlx5/hws/mlx5dr_definer.c index c0ccde64e1..0b60479406 100644 --- a/drivers/net/mlx5/hws/mlx5dr_definer.c +++ b/drivers/net/mlx5/hws/mlx5dr_definer.c @@ -1069,10 +1069,12 @@ mlx5dr_definer_conv_item_udp(struct mlx5dr_definer_conv_data *cd, /* Set match on L4 type UDP */ if (!cd->relaxed) { fc = &cd->fc[DR_CALC_FNAME(IP_PROTOCOL, inner)]; - fc->item_idx = item_idx; - fc->tag_set = &mlx5dr_definer_udp_protocol_set; - fc->tag_mask_set = &mlx5dr_definer_ones_set; - DR_CALC_SET(fc, eth_l2, l4_type_bwc, inner); + if (!fc->not_overwrite) { + fc->item_idx = item_idx; + fc->tag_set = &mlx5dr_definer_udp_protocol_set; + fc->tag_mask_set = &mlx5dr_definer_ones_set; + DR_CALC_SET(fc, eth_l2, l4_type_bwc, inner); + } } if (!m) @@ -1115,10 +1117,12 @@ mlx5dr_definer_conv_item_tcp(struct mlx5dr_definer_conv_data *cd, /* Overwrite match on L4 type TCP */ if (!cd->relaxed) { fc = &cd->fc[DR_CALC_FNAME(IP_PROTOCOL, inner)]; - fc->item_idx = item_idx; - fc->tag_set = &mlx5dr_definer_tcp_protocol_set; - fc->tag_mask_set = &mlx5dr_definer_ones_set; - DR_CALC_SET(fc, eth_l2, l4_type_bwc, inner); + if (!fc->not_overwrite) { + fc->item_idx = item_idx; + fc->tag_set = &mlx5dr_definer_tcp_protocol_set; + fc->tag_mask_set = &mlx5dr_definer_ones_set; + DR_CALC_SET(fc, eth_l2, l4_type_bwc, inner); + } } if (!m) @@ -2141,6 +2145,7 @@ mlx5dr_definer_conv_item_ipv6_routing_ext(struct mlx5dr_definer_conv_data *cd, fc->item_idx = item_idx; fc->tag_set = &mlx5dr_definer_ipv6_routing_hdr_set; fc->tag_mask_set = &mlx5dr_definer_ones_set; + fc->not_overwrite = 1; DR_CALC_SET(fc, eth_l3, protocol_next_header, inner); } } else { diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.h b/drivers/net/mlx5/hws/mlx5dr_definer.h index 791154a7dc..6f1c99e37a 100644 --- a/drivers/net/mlx5/hws/mlx5dr_definer.h +++ b/drivers/net/mlx5/hws/mlx5dr_definer.h @@ -166,6 +166,7 @@ struct mlx5dr_definer_fc { int bit_off; uint32_t bit_mask; enum mlx5dr_definer_fname fname; + uint8_t not_overwrite; void (*tag_set)(struct mlx5dr_definer_fc *fc, const void *item_spec, uint8_t *tag);