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Tue, 7 Feb 2023 22:19:21 -0800 From: Michael Baum To: CC: Matan Azrad , Raslan Darawsheh , Viacheslav Ovsiienko , Erez Shitrit Subject: [PATCH 1/2] net/mlx5/hws: support matching on MPLSoUDP Date: Wed, 8 Feb 2023 08:19:10 +0200 Message-ID: <20230208061911.1644248-2-michaelba@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230208061911.1644248-1-michaelba@nvidia.com> References: <20230208061911.1644248-1-michaelba@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT076:EE_|PH8PR12MB7109:EE_ X-MS-Office365-Filtering-Correlation-Id: 7cceb2fa-152a-4f18-be3d-08db099c70fb 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:216.228.118.233; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc7edge2.nvidia.com; CAT:NONE; SFS:(13230025)(4636009)(376002)(396003)(346002)(39860400002)(136003)(451199018)(36840700001)(40470700004)(46966006)(55016003)(40480700001)(316002)(6286002)(36860700001)(7696005)(478600001)(47076005)(83380400001)(54906003)(36756003)(336012)(2616005)(426003)(1076003)(40460700003)(356005)(186003)(26005)(86362001)(5660300002)(6916009)(4326008)(70206006)(70586007)(8676002)(82310400005)(41300700001)(2906002)(107886003)(8936002)(6666004)(82740400003)(7636003); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Feb 2023 06:19:31.6120 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7cceb2fa-152a-4f18-be3d-08db099c70fb X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.118.233]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT076.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7109 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 From: Erez Shitrit Add support for matching MPLS labels while it is under UDP protocol. Matching up to 5 MPLS labels with or without the MPLS value. Signed-off-by: Erez Shitrit --- drivers/net/mlx5/hws/mlx5dr_definer.c | 183 +++++++++++++++++++++++++- drivers/net/mlx5/hws/mlx5dr_definer.h | 32 ++++- 2 files changed, 212 insertions(+), 3 deletions(-) diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.c b/drivers/net/mlx5/hws/mlx5dr_definer.c index 6b98eb8c96..3aa66195b2 100644 --- a/drivers/net/mlx5/hws/mlx5dr_definer.c +++ b/drivers/net/mlx5/hws/mlx5dr_definer.c @@ -9,6 +9,8 @@ #define ETH_TYPE_IPV4_VXLAN 0x0800 #define ETH_TYPE_IPV6_VXLAN 0x86DD #define ETH_VXLAN_DEFAULT_PORT 4789 +#define IP_UDP_PORT_MPLS 6635 +#define DR_FLOW_LAYER_TUNNEL_NO_MPLS (MLX5_FLOW_LAYER_TUNNEL & ~MLX5_FLOW_LAYER_MPLS) #define STE_NO_VLAN 0x0 #define STE_SVLAN 0x1 @@ -105,6 +107,8 @@ struct mlx5dr_definer_conv_data { uint8_t relaxed; uint8_t tunnel; uint8_t *hl; + uint8_t mpls_idx; + enum rte_flow_item_type last_item; }; /* Xmacro used to create generic item setter from items */ @@ -153,6 +157,7 @@ struct mlx5dr_definer_conv_data { X(SET, gtp_ext_hdr_qfi, v->hdr.qfi, rte_flow_item_gtp_psc) \ X(SET, vxlan_flags, v->flags, rte_flow_item_vxlan) \ X(SET, vxlan_udp_port, ETH_VXLAN_DEFAULT_PORT, rte_flow_item_vxlan) \ + X(SET, mpls_udp_port, IP_UDP_PORT_MPLS, rte_flow_item_mpls) \ X(SET, source_qp, v->queue, mlx5_rte_flow_item_sq) \ X(SET, tag, v->data, rte_flow_item_tag) \ X(SET, metadata, v->data, rte_flow_item_meta) \ @@ -398,6 +403,89 @@ mlx5dr_definer_vport_set(struct mlx5dr_definer_fc *fc, DR_SET(tag, regc_value, fc->byte_off, fc->bit_off, fc->bit_mask); } +static struct mlx5dr_definer_fc * +mlx5dr_definer_get_mpls_fc(struct mlx5dr_definer_conv_data *cd, bool inner) +{ + uint8_t mpls_idx = cd->mpls_idx; + struct mlx5dr_definer_fc *fc; + + switch (mpls_idx) { + case 0: + fc = &cd->fc[DR_CALC_FNAME(MPLS0, inner)]; + DR_CALC_SET_HDR(fc, mpls_inner, mpls0_label); + break; + case 1: + fc = &cd->fc[DR_CALC_FNAME(MPLS1, inner)]; + DR_CALC_SET_HDR(fc, mpls_inner, mpls1_label); + break; + case 2: + fc = &cd->fc[DR_CALC_FNAME(MPLS2, inner)]; + DR_CALC_SET_HDR(fc, mpls_inner, mpls2_label); + break; + case 3: + fc = &cd->fc[DR_CALC_FNAME(MPLS3, inner)]; + DR_CALC_SET_HDR(fc, mpls_inner, mpls3_label); + break; + case 4: + fc = &cd->fc[DR_CALC_FNAME(MPLS4, inner)]; + DR_CALC_SET_HDR(fc, mpls_inner, mpls4_label); + break; + default: + rte_errno = ENOTSUP; + DR_LOG(ERR, "MPLS index %d is not supported\n", mpls_idx); + return NULL; + } + + return fc; +} + +static struct mlx5dr_definer_fc * +mlx5dr_definer_get_mpls_oks_fc(struct mlx5dr_definer_conv_data *cd, bool inner) +{ + uint8_t mpls_idx = cd->mpls_idx; + struct mlx5dr_definer_fc *fc; + + switch (mpls_idx) { + case 0: + fc = &cd->fc[DR_CALC_FNAME(OKS2_MPLS0, inner)]; + DR_CALC_SET_HDR(fc, oks2, second_mpls0_qualifier); + break; + case 1: + fc = &cd->fc[DR_CALC_FNAME(OKS2_MPLS1, inner)]; + DR_CALC_SET_HDR(fc, oks2, second_mpls1_qualifier); + break; + case 2: + fc = &cd->fc[DR_CALC_FNAME(OKS2_MPLS2, inner)]; + DR_CALC_SET_HDR(fc, oks2, second_mpls2_qualifier); + break; + case 3: + fc = &cd->fc[DR_CALC_FNAME(OKS2_MPLS3, inner)]; + DR_CALC_SET_HDR(fc, oks2, second_mpls3_qualifier); + break; + case 4: + fc = &cd->fc[DR_CALC_FNAME(OKS2_MPLS4, inner)]; + DR_CALC_SET_HDR(fc, oks2, second_mpls4_qualifier); + break; + default: + rte_errno = ENOTSUP; + DR_LOG(ERR, "MPLS index %d is not supported\n", mpls_idx); + return NULL; + } + + return fc; +} + +static void +mlx5dr_definer_mpls_label_set(struct mlx5dr_definer_fc *fc, + const void *item_spec, + uint8_t *tag) +{ + const struct rte_flow_item_mpls *v = item_spec; + + memcpy(tag + fc->byte_off, v->label_tc_s, sizeof(v->label_tc_s)); + memcpy(tag + fc->byte_off + sizeof(v->label_tc_s), &v->ttl, sizeof(v->ttl)); +} + static int mlx5dr_definer_conv_item_eth(struct mlx5dr_definer_conv_data *cd, struct rte_flow_item *item, @@ -1047,6 +1135,74 @@ mlx5dr_definer_conv_item_vxlan(struct mlx5dr_definer_conv_data *cd, return 0; } +static int +mlx5dr_definer_conv_item_mpls(struct mlx5dr_definer_conv_data *cd, + struct rte_flow_item *item, + int item_idx) +{ + const struct rte_flow_item_mpls *m = item->mask; + struct mlx5dr_definer_fc *fc; + bool inner = cd->tunnel; + + if (inner) { + DR_LOG(ERR, "Inner MPLS item not supported"); + rte_errno = ENOTSUP; + return rte_errno; + } + + if (cd->relaxed) { + DR_LOG(ERR, "Relaxed mode is not supported"); + rte_errno = ENOTSUP; + return rte_errno; + } + + /* Currently support only MPLSoUDP */ + if (cd->last_item != RTE_FLOW_ITEM_TYPE_UDP && + cd->last_item != RTE_FLOW_ITEM_TYPE_MPLS) { + DR_LOG(ERR, "MPLS supported only after UDP"); + rte_errno = ENOTSUP; + return rte_errno; + } + + /* In order to match on MPLS we must match on ip_protocol and l4_dport. */ + fc = &cd->fc[DR_CALC_FNAME(IP_PROTOCOL, false)]; + if (!fc->tag_set) { + fc->item_idx = item_idx; + fc->tag_mask_set = &mlx5dr_definer_ones_set; + fc->tag_set = &mlx5dr_definer_udp_protocol_set; + DR_CALC_SET(fc, eth_l2, l4_type_bwc, false); + } + + fc = &cd->fc[DR_CALC_FNAME(L4_DPORT, false)]; + if (!fc->tag_set) { + fc->item_idx = item_idx; + fc->tag_mask_set = &mlx5dr_definer_ones_set; + fc->tag_set = &mlx5dr_definer_mpls_udp_port_set; + DR_CALC_SET(fc, eth_l4, destination_port, false); + } + + if (m && (!is_mem_zero(m->label_tc_s, 3) || m->ttl)) { + /* According to HW MPLSoUDP is handled as inner */ + fc = mlx5dr_definer_get_mpls_fc(cd, true); + if (!fc) + return rte_errno; + + fc->item_idx = item_idx; + fc->tag_set = &mlx5dr_definer_mpls_label_set; + } else { /* Mask relevant oks2 bit, indicates MPLS lable exists. + * According to HW MPLSoUDP is handled as inner + */ + fc = mlx5dr_definer_get_mpls_oks_fc(cd, true); + if (!fc) + return rte_errno; + + fc->item_idx = item_idx; + fc->tag_set = mlx5dr_definer_ones_set; + } + + return 0; +} + static struct mlx5dr_definer_fc * mlx5dr_definer_get_register_fc(struct mlx5dr_definer_conv_data *cd, int reg) { @@ -1465,6 +1621,24 @@ mlx5dr_definer_conv_item_meter_color(struct mlx5dr_definer_conv_data *cd, return 0; } +static void mlx5dr_definer_set_conv_tunnel(enum rte_flow_item_type cur_type, + uint64_t item_flags, + struct mlx5dr_definer_conv_data *cd) +{ + /* already tunnel nothing to change */ + if (cd->tunnel) + return; + + /* we can have more than one MPLS label at each level (inner/outer), so + * consider tunnel only when it is already under tunnel or if we moved to the + * second MPLS level. + */ + if (cur_type != RTE_FLOW_ITEM_TYPE_MPLS) + cd->tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL); + else + cd->tunnel = !!(item_flags & DR_FLOW_LAYER_TUNNEL_NO_MPLS); +} + static int mlx5dr_definer_conv_items_to_hl(struct mlx5dr_context *ctx, struct mlx5dr_match_template *mt, @@ -1485,7 +1659,7 @@ mlx5dr_definer_conv_items_to_hl(struct mlx5dr_context *ctx, /* Collect all RTE fields to the field array and set header layout */ for (i = 0; items->type != RTE_FLOW_ITEM_TYPE_END; i++, items++) { - cd.tunnel = !!(item_flags & MLX5_FLOW_LAYER_TUNNEL); + mlx5dr_definer_set_conv_tunnel(items->type, item_flags, &cd); switch ((int)items->type) { case RTE_FLOW_ITEM_TYPE_ETH: @@ -1581,12 +1755,19 @@ mlx5dr_definer_conv_items_to_hl(struct mlx5dr_context *ctx, ret = mlx5dr_definer_conv_item_meter_color(&cd, items, i); item_flags |= MLX5_FLOW_ITEM_METER_COLOR; break; + case RTE_FLOW_ITEM_TYPE_MPLS: + ret = mlx5dr_definer_conv_item_mpls(&cd, items, i); + item_flags |= MLX5_FLOW_LAYER_MPLS; + cd.mpls_idx++; + break; default: DR_LOG(ERR, "Unsupported item type %d", items->type); rte_errno = ENOTSUP; return rte_errno; } + cd.last_item = items->type; + if (ret) { DR_LOG(ERR, "Failed processing item type: %d", items->type); return ret; diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.h b/drivers/net/mlx5/hws/mlx5dr_definer.h index d52c6b0627..7755d8967e 100644 --- a/drivers/net/mlx5/hws/mlx5dr_definer.h +++ b/drivers/net/mlx5/hws/mlx5dr_definer.h @@ -106,6 +106,26 @@ enum mlx5dr_definer_fname { MLX5DR_DEFINER_FNAME_INTEGRITY_I, MLX5DR_DEFINER_FNAME_ICMP_DW1, MLX5DR_DEFINER_FNAME_ICMP_DW2, + MLX5DR_DEFINER_FNAME_MPLS0_O, + MLX5DR_DEFINER_FNAME_MPLS1_O, + MLX5DR_DEFINER_FNAME_MPLS2_O, + MLX5DR_DEFINER_FNAME_MPLS3_O, + MLX5DR_DEFINER_FNAME_MPLS4_O, + MLX5DR_DEFINER_FNAME_MPLS0_I, + MLX5DR_DEFINER_FNAME_MPLS1_I, + MLX5DR_DEFINER_FNAME_MPLS2_I, + MLX5DR_DEFINER_FNAME_MPLS3_I, + MLX5DR_DEFINER_FNAME_MPLS4_I, + MLX5DR_DEFINER_FNAME_OKS2_MPLS0_O, + MLX5DR_DEFINER_FNAME_OKS2_MPLS1_O, + MLX5DR_DEFINER_FNAME_OKS2_MPLS2_O, + MLX5DR_DEFINER_FNAME_OKS2_MPLS3_O, + MLX5DR_DEFINER_FNAME_OKS2_MPLS4_O, + MLX5DR_DEFINER_FNAME_OKS2_MPLS0_I, + MLX5DR_DEFINER_FNAME_OKS2_MPLS1_I, + MLX5DR_DEFINER_FNAME_OKS2_MPLS2_I, + MLX5DR_DEFINER_FNAME_OKS2_MPLS3_I, + MLX5DR_DEFINER_FNAME_OKS2_MPLS4_I, MLX5DR_DEFINER_FNAME_MAX, }; @@ -424,6 +444,14 @@ struct mlx5_ifc_definer_hl_registers_bits { u8 register_c_1[0x20]; }; +struct mlx5_ifc_definer_hl_mpls_bits { + u8 mpls0_label[0x20]; + u8 mpls1_label[0x20]; + u8 mpls2_label[0x20]; + u8 mpls3_label[0x20]; + u8 mpls4_label[0x20]; +}; + struct mlx5_ifc_definer_hl_bits { struct mlx5_ifc_definer_hl_eth_l2_bits eth_l2_outer; struct mlx5_ifc_definer_hl_eth_l2_bits eth_l2_inner; @@ -452,8 +480,8 @@ struct mlx5_ifc_definer_hl_bits { u8 unsupported_udp_misc_inner[0x20]; struct mlx5_ifc_definer_tcp_icmp_header_bits tcp_icmp; struct mlx5_ifc_definer_hl_tunnel_header_bits tunnel_header; - u8 unsupported_mpls_outer[0xa0]; - u8 unsupported_mpls_inner[0xa0]; + struct mlx5_ifc_definer_hl_mpls_bits mpls_outer; + struct mlx5_ifc_definer_hl_mpls_bits mpls_inner; u8 unsupported_config_headers_outer[0x80]; u8 unsupported_config_headers_inner[0x80]; u8 unsupported_random_number[0x20];