1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB 2 /* Copyright (c) 2019 Mellanox Technologies. */ 3 4 #include <linux/types.h> 5 #include "dr_types.h" 6 7 struct mlx5dr_fw_recalc_cs_ft * 8 mlx5dr_fw_create_recalc_cs_ft(struct mlx5dr_domain *dmn, u32 vport_num) 9 { 10 struct mlx5dr_cmd_create_flow_table_attr ft_attr = {}; 11 struct mlx5dr_fw_recalc_cs_ft *recalc_cs_ft; 12 u32 table_id, group_id, modify_hdr_id; 13 u64 rx_icm_addr, modify_ttl_action; 14 int ret; 15 16 recalc_cs_ft = kzalloc(sizeof(*recalc_cs_ft), GFP_KERNEL); 17 if (!recalc_cs_ft) 18 return NULL; 19 20 ft_attr.table_type = MLX5_FLOW_TABLE_TYPE_FDB; 21 ft_attr.level = dmn->info.caps.max_ft_level - 1; 22 ft_attr.term_tbl = true; 23 24 ret = mlx5dr_cmd_create_flow_table(dmn->mdev, 25 &ft_attr, 26 &rx_icm_addr, 27 &table_id); 28 if (ret) { 29 mlx5dr_err(dmn, "Failed creating TTL W/A FW flow table %d\n", ret); 30 goto free_ttl_tbl; 31 } 32 33 ret = mlx5dr_cmd_create_empty_flow_group(dmn->mdev, 34 MLX5_FLOW_TABLE_TYPE_FDB, 35 table_id, &group_id); 36 if (ret) { 37 mlx5dr_err(dmn, "Failed creating TTL W/A FW flow group %d\n", ret); 38 goto destroy_flow_table; 39 } 40 41 /* Modify TTL action by adding zero to trigger CS recalculation */ 42 modify_ttl_action = 0; 43 MLX5_SET(set_action_in, &modify_ttl_action, action_type, MLX5_ACTION_TYPE_ADD); 44 MLX5_SET(set_action_in, &modify_ttl_action, field, MLX5_ACTION_IN_FIELD_OUT_IP_TTL); 45 46 ret = mlx5dr_cmd_alloc_modify_header(dmn->mdev, MLX5_FLOW_TABLE_TYPE_FDB, 1, 47 &modify_ttl_action, 48 &modify_hdr_id); 49 if (ret) { 50 mlx5dr_err(dmn, "Failed modify header TTL %d\n", ret); 51 goto destroy_flow_group; 52 } 53 54 ret = mlx5dr_cmd_set_fte_modify_and_vport(dmn->mdev, 55 MLX5_FLOW_TABLE_TYPE_FDB, 56 table_id, group_id, modify_hdr_id, 57 vport_num); 58 if (ret) { 59 mlx5dr_err(dmn, "Failed setting TTL W/A flow table entry %d\n", ret); 60 goto dealloc_modify_header; 61 } 62 63 recalc_cs_ft->modify_hdr_id = modify_hdr_id; 64 recalc_cs_ft->rx_icm_addr = rx_icm_addr; 65 recalc_cs_ft->table_id = table_id; 66 recalc_cs_ft->group_id = group_id; 67 68 return recalc_cs_ft; 69 70 dealloc_modify_header: 71 mlx5dr_cmd_dealloc_modify_header(dmn->mdev, modify_hdr_id); 72 destroy_flow_group: 73 mlx5dr_cmd_destroy_flow_group(dmn->mdev, 74 MLX5_FLOW_TABLE_TYPE_FDB, 75 table_id, group_id); 76 destroy_flow_table: 77 mlx5dr_cmd_destroy_flow_table(dmn->mdev, table_id, MLX5_FLOW_TABLE_TYPE_FDB); 78 free_ttl_tbl: 79 kfree(recalc_cs_ft); 80 return NULL; 81 } 82 83 void mlx5dr_fw_destroy_recalc_cs_ft(struct mlx5dr_domain *dmn, 84 struct mlx5dr_fw_recalc_cs_ft *recalc_cs_ft) 85 { 86 mlx5dr_cmd_del_flow_table_entry(dmn->mdev, 87 MLX5_FLOW_TABLE_TYPE_FDB, 88 recalc_cs_ft->table_id); 89 mlx5dr_cmd_dealloc_modify_header(dmn->mdev, recalc_cs_ft->modify_hdr_id); 90 mlx5dr_cmd_destroy_flow_group(dmn->mdev, 91 MLX5_FLOW_TABLE_TYPE_FDB, 92 recalc_cs_ft->table_id, 93 recalc_cs_ft->group_id); 94 mlx5dr_cmd_destroy_flow_table(dmn->mdev, 95 recalc_cs_ft->table_id, 96 MLX5_FLOW_TABLE_TYPE_FDB); 97 98 kfree(recalc_cs_ft); 99 } 100 101 int mlx5dr_fw_create_md_tbl(struct mlx5dr_domain *dmn, 102 struct mlx5dr_cmd_flow_destination_hw_info *dest, 103 int num_dest, 104 bool reformat_req, 105 u32 *tbl_id, 106 u32 *group_id) 107 { 108 struct mlx5dr_cmd_create_flow_table_attr ft_attr = {}; 109 struct mlx5dr_cmd_fte_info fte_info = {}; 110 u32 val[MLX5_ST_SZ_DW_MATCH_PARAM] = {}; 111 struct mlx5dr_cmd_ft_info ft_info = {}; 112 int ret; 113 114 ft_attr.table_type = MLX5_FLOW_TABLE_TYPE_FDB; 115 ft_attr.level = dmn->info.caps.max_ft_level - 2; 116 ft_attr.reformat_en = reformat_req; 117 ft_attr.decap_en = reformat_req; 118 119 ret = mlx5dr_cmd_create_flow_table(dmn->mdev, &ft_attr, NULL, tbl_id); 120 if (ret) { 121 mlx5dr_err(dmn, "Failed creating multi dest FW flow table %d\n", ret); 122 return ret; 123 } 124 125 ret = mlx5dr_cmd_create_empty_flow_group(dmn->mdev, 126 MLX5_FLOW_TABLE_TYPE_FDB, 127 *tbl_id, group_id); 128 if (ret) { 129 mlx5dr_err(dmn, "Failed creating multi dest FW flow group %d\n", ret); 130 goto free_flow_table; 131 } 132 133 ft_info.id = *tbl_id; 134 ft_info.type = FS_FT_FDB; 135 fte_info.action.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 136 fte_info.dests_size = num_dest; 137 fte_info.val = val; 138 fte_info.dest_arr = dest; 139 140 ret = mlx5dr_cmd_set_fte(dmn->mdev, 0, 0, &ft_info, *group_id, &fte_info); 141 if (ret) { 142 mlx5dr_err(dmn, "Failed setting fte into table %d\n", ret); 143 goto free_flow_group; 144 } 145 146 return 0; 147 148 free_flow_group: 149 mlx5dr_cmd_destroy_flow_group(dmn->mdev, MLX5_FLOW_TABLE_TYPE_FDB, 150 *tbl_id, *group_id); 151 free_flow_table: 152 mlx5dr_cmd_destroy_flow_table(dmn->mdev, *tbl_id, 153 MLX5_FLOW_TABLE_TYPE_FDB); 154 return ret; 155 } 156 157 void mlx5dr_fw_destroy_md_tbl(struct mlx5dr_domain *dmn, 158 u32 tbl_id, u32 group_id) 159 { 160 mlx5dr_cmd_del_flow_table_entry(dmn->mdev, FS_FT_FDB, tbl_id); 161 mlx5dr_cmd_destroy_flow_group(dmn->mdev, 162 MLX5_FLOW_TABLE_TYPE_FDB, 163 tbl_id, group_id); 164 mlx5dr_cmd_destroy_flow_table(dmn->mdev, tbl_id, 165 MLX5_FLOW_TABLE_TYPE_FDB); 166 } 167