Support eCPRI item matching over L2 (ETHER / VLAN) in HWS, both for template API and backward compatibility API.
Signed-off-by: Bing Zhao <bi...@nvidia.com> Acked-by: Dariusz Sosnowski <dsosnow...@nvidia.com> --- v2: fix the checkpatch warning of unneeded else --- drivers/net/mlx5/hws/mlx5dr_definer.c | 86 +++++++++++++++++++++++++++ drivers/net/mlx5/mlx5_flow.h | 3 + drivers/net/mlx5/mlx5_flow_hw.c | 60 +++++++++++++++++++ 3 files changed, 149 insertions(+) diff --git a/drivers/net/mlx5/hws/mlx5dr_definer.c b/drivers/net/mlx5/hws/mlx5dr_definer.c index 837e0c47bd..25087022c1 100644 --- a/drivers/net/mlx5/hws/mlx5dr_definer.c +++ b/drivers/net/mlx5/hws/mlx5dr_definer.c @@ -583,6 +583,35 @@ mlx5dr_definer_ipv6_routing_ext_set(struct mlx5dr_definer_fc *fc, DR_SET(tag, val, fc->byte_off, 0, fc->bit_mask); } +static void +mlx5dr_definer_ecpri_common_set(struct mlx5dr_definer_fc *fc, + const void *item, + uint8_t *tag) +{ + const struct rte_flow_item_ecpri *ec = item; + uint32_t val; + + val = ec->hdr.common.u32; + + DR_SET_BE32(tag, val, fc->byte_off, 0, fc->bit_mask); +} + +static void +mlx5dr_definer_ecpri_body_set(struct mlx5dr_definer_fc *fc, + const void *item, + uint8_t *tag) +{ + const struct rte_flow_item_ecpri *ec = item; + uint32_t val, idx; + + + idx = fc->fname - MLX5DR_DEFINER_FNAME_FLEX_PARSER_0; + /* The 1st DW is used for common field, indeed, there are only 2 DWs. */ + val = ec->hdr.dummy[idx - 1]; + + DR_SET_BE32(tag, val, fc->byte_off, 0, fc->bit_mask); +} + static void mlx5dr_definer_flex_parser_set(struct mlx5dr_definer_fc *fc, const void *item, @@ -2555,6 +2584,59 @@ mlx5dr_definer_conv_item_random(struct mlx5dr_definer_conv_data *cd, return 0; } +static uint32_t +mlx5dr_definer_get_ecpri_parser_byte_off_from_ctx(void *dr_ctx, uint32_t *byte_off) +{ + uint32_t base_off = MLX5_BYTE_OFF(definer_hl, flex_parser.flex_parser_0); + struct mlx5_ecpri_parser_profile *ecp; + uint32_t i; + + ecp = flow_hw_get_ecpri_parser_profile(dr_ctx); + if (!ecp) + return UINT32_MAX; + for (i = 0; i < ecp->num; i++) + byte_off[i] = base_off - ecp->ids[i] * sizeof(uint32_t); + return i; +} + +static int +mlx5dr_definer_conv_item_ecpri(struct mlx5dr_definer_conv_data *cd, + struct rte_flow_item *item, + int item_idx) +{ + const struct rte_flow_item_ecpri *m; + uint32_t i, mask, byte_off[8] = {0}; + struct mlx5dr_definer_fc *fc; + uint32_t num_dws; + + num_dws = mlx5dr_definer_get_ecpri_parser_byte_off_from_ctx(cd->ctx, byte_off); + if (num_dws == UINT32_MAX) { + DR_LOG(ERR, "failed to get eCPRI samples %d", -rte_errno); + return rte_errno; + } + + m = item->mask; + if (!m) + return 0; + + for (i = 0; i < num_dws; i++) { + mask = i == 0 ? m->hdr.common.u32 : m->hdr.dummy[i - 1]; + if (!mask) + continue; + mask = htobe32(mask); + fc = mlx5dr_definer_get_flex_parser_fc(cd, byte_off[i]); + if (!fc) + return rte_errno; + + fc->item_idx = item_idx; + fc->tag_set = i == 0 ? &mlx5dr_definer_ecpri_common_set : + &mlx5dr_definer_ecpri_body_set; + fc->tag_mask_set = &mlx5dr_definer_ones_set; + fc->bit_mask = mask; + } + return 0; +} + static int mlx5dr_definer_conv_item_geneve(struct mlx5dr_definer_conv_data *cd, struct rte_flow_item *item, @@ -3314,6 +3396,10 @@ mlx5dr_definer_conv_items_to_hl(struct mlx5dr_context *ctx, MLX5_FLOW_ITEM_OUTER_FLEX; } break; + case RTE_FLOW_ITEM_TYPE_ECPRI: + ret = mlx5dr_definer_conv_item_ecpri(&cd, items, i); + item_flags |= MLX5_FLOW_LAYER_ECPRI; + break; case RTE_FLOW_ITEM_TYPE_MPLS: ret = mlx5dr_definer_conv_item_mpls(&cd, items, i); item_flags |= MLX5_FLOW_LAYER_MPLS; diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h index 445c9cdb4b..e5245edd46 100644 --- a/drivers/net/mlx5/mlx5_flow.h +++ b/drivers/net/mlx5/mlx5_flow.h @@ -1812,6 +1812,7 @@ flow_hw_get_reg_id_from_ctx(void *dr_ctx, enum rte_flow_item_type type, #endif + /* * Define list of valid combinations of RX Hash fields * (see enum ibv_rx_hash_fields). @@ -3704,5 +3705,7 @@ mlx5_flow_nta_update_copy_table(struct rte_eth_dev *dev, uint64_t action_flags, struct rte_flow_error *error); +struct mlx5_ecpri_parser_profile *flow_hw_get_ecpri_parser_profile(void *dr_ctx); + #endif #endif /* RTE_PMD_MLX5_FLOW_H_ */ diff --git a/drivers/net/mlx5/mlx5_flow_hw.c b/drivers/net/mlx5/mlx5_flow_hw.c index e72b87d70f..708a817f0d 100644 --- a/drivers/net/mlx5/mlx5_flow_hw.c +++ b/drivers/net/mlx5/mlx5_flow_hw.c @@ -5096,6 +5096,16 @@ flow_hw_table_create(struct rte_eth_dev *dev, NULL, "pattern template domain does not match table"); return NULL; } + if (item_templates[i]->item_flags & MLX5_FLOW_LAYER_ECPRI && + !mlx5_flex_parser_ecpri_exist(dev)) + if (mlx5_flex_parser_ecpri_alloc(dev)) { + rte_flow_error_set(error, EIO, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + NULL, + "failed to create Flex parser " + "profile for ECPRI"); + goto error; + } } for (i = 0; i < nb_action_templates; i++) { const struct rte_flow_actions_template *at = action_templates[i]; @@ -8389,6 +8399,16 @@ const struct rte_flow_item_ipv6 hws_nic_ipv6_mask = { .has_frag_ext = 1, }; +const struct rte_flow_item_ecpri hws_nic_ecpri_mask = { + .hdr = { + .common = { + .u32 = RTE_BE32(0xffffffff), + }, + .dummy[0] = 0xffffffff, + }, +}; + + static int flow_hw_validate_item_ptype(const struct rte_flow_item *item, struct rte_flow_error *error) @@ -8831,6 +8851,14 @@ flow_hw_pattern_validate(struct rte_eth_dev *dev, * template and item spec in flow rule. */ break; + case RTE_FLOW_ITEM_TYPE_ECPRI: + ret = mlx5_flow_validate_item_ecpri(dev, item, *item_flags, last_item, + RTE_ETHER_TYPE_ECPRI, + &hws_nic_ecpri_mask, error); + if (ret < 0) + return ret; + *item_flags |= MLX5_FLOW_LAYER_ECPRI; + break; case RTE_FLOW_ITEM_TYPE_IB_BTH: case RTE_FLOW_ITEM_TYPE_VOID: case RTE_FLOW_ITEM_TYPE_END: @@ -13859,6 +13887,15 @@ flow_hw_create_flow(struct rte_eth_dev *dev, enum mlx5_flow_type type, if (ret) goto error; + if (item_flags & MLX5_FLOW_LAYER_ECPRI && !mlx5_flex_parser_ecpri_exist(dev)) + if (mlx5_flex_parser_ecpri_alloc(dev)) { + rte_flow_error_set(error, EIO, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + NULL, + "failed to create Flex parser " + "profile for ECPRI"); + goto error; + } ret = flow_hw_register_matcher(dev, attr, items, external, *flow, &matcher, error); if (ret) goto error; @@ -16341,6 +16378,7 @@ mlx5_flow_hw_ctrl_flow_dmac(struct rte_eth_dev *dev, addr, 0); } + int mlx5_flow_hw_ctrl_flow_dmac_destroy(struct rte_eth_dev *dev, const struct rte_ether_addr *addr) @@ -16422,6 +16460,28 @@ mlx5_flow_hw_ctrl_flow_dmac_vlan_destroy(struct rte_eth_dev *dev, return 0; } +struct mlx5_ecpri_parser_profile * +flow_hw_get_ecpri_parser_profile(void *dr_ctx) +{ + uint16_t port_id; + bool found = false; + struct mlx5_priv *priv; + + MLX5_ETH_FOREACH_DEV(port_id, NULL) { + priv = rte_eth_devices[port_id].data->dev_private; + if (priv->dr_ctx == dr_ctx) { + found = true; + break; + } + } + if (found) { + return &priv->sh->ecpri_parser; + } + rte_errno = ENODEV; + return NULL; +} + + static __rte_always_inline uint32_t mlx5_reformat_domain_to_tbl_type(const struct rte_flow_indir_action_conf *domain) { -- 2.34.1