1 /* 2 * Copyright (c) 2015, Mellanox Technologies. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef _MLX5_FS_ 34 #define _MLX5_FS_ 35 36 #include <linux/mlx5/driver.h> 37 #include <linux/mlx5/mlx5_ifc.h> 38 39 #define MLX5_FS_DEFAULT_FLOW_TAG 0x0 40 41 #define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v) 42 43 enum mlx5_flow_destination_type { 44 MLX5_FLOW_DESTINATION_TYPE_NONE, 45 MLX5_FLOW_DESTINATION_TYPE_VPORT, 46 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE, 47 MLX5_FLOW_DESTINATION_TYPE_TIR, 48 MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER, 49 MLX5_FLOW_DESTINATION_TYPE_UPLINK, 50 MLX5_FLOW_DESTINATION_TYPE_PORT, 51 MLX5_FLOW_DESTINATION_TYPE_COUNTER, 52 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM, 53 MLX5_FLOW_DESTINATION_TYPE_RANGE, 54 MLX5_FLOW_DESTINATION_TYPE_TABLE_TYPE, 55 }; 56 57 enum { 58 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16, 59 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17, 60 MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18, 61 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS = 1 << 19, 62 }; 63 64 enum { 65 MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0), 66 MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1), 67 MLX5_FLOW_TABLE_TERMINATION = BIT(2), 68 MLX5_FLOW_TABLE_UNMANAGED = BIT(3), 69 MLX5_FLOW_TABLE_OTHER_VPORT = BIT(4), 70 MLX5_FLOW_TABLE_UPLINK_VPORT = BIT(5), 71 }; 72 73 #define LEFTOVERS_RULE_NUM 2 74 static inline void build_leftovers_ft_param(int *priority, 75 int *n_ent, 76 int *n_grp) 77 { 78 *priority = 0; /* Priority of leftovers_prio-0 */ 79 *n_ent = LEFTOVERS_RULE_NUM; 80 *n_grp = LEFTOVERS_RULE_NUM; 81 } 82 83 enum mlx5_flow_namespace_type { 84 MLX5_FLOW_NAMESPACE_BYPASS, 85 MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC, 86 MLX5_FLOW_NAMESPACE_LAG, 87 MLX5_FLOW_NAMESPACE_OFFLOADS, 88 MLX5_FLOW_NAMESPACE_ETHTOOL, 89 MLX5_FLOW_NAMESPACE_KERNEL, 90 MLX5_FLOW_NAMESPACE_LEFTOVERS, 91 MLX5_FLOW_NAMESPACE_ANCHOR, 92 MLX5_FLOW_NAMESPACE_FDB_BYPASS, 93 MLX5_FLOW_NAMESPACE_FDB, 94 MLX5_FLOW_NAMESPACE_ESW_EGRESS, 95 MLX5_FLOW_NAMESPACE_ESW_INGRESS, 96 MLX5_FLOW_NAMESPACE_SNIFFER_RX, 97 MLX5_FLOW_NAMESPACE_SNIFFER_TX, 98 MLX5_FLOW_NAMESPACE_EGRESS, 99 MLX5_FLOW_NAMESPACE_EGRESS_IPSEC, 100 MLX5_FLOW_NAMESPACE_EGRESS_MACSEC, 101 MLX5_FLOW_NAMESPACE_RDMA_RX, 102 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL, 103 MLX5_FLOW_NAMESPACE_RDMA_TX, 104 MLX5_FLOW_NAMESPACE_PORT_SEL, 105 MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS, 106 MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS, 107 MLX5_FLOW_NAMESPACE_RDMA_RX_IPSEC, 108 MLX5_FLOW_NAMESPACE_RDMA_TX_IPSEC, 109 MLX5_FLOW_NAMESPACE_RDMA_RX_MACSEC, 110 MLX5_FLOW_NAMESPACE_RDMA_TX_MACSEC, 111 }; 112 113 enum { 114 FDB_BYPASS_PATH, 115 FDB_CRYPTO_INGRESS, 116 FDB_TC_OFFLOAD, 117 FDB_FT_OFFLOAD, 118 FDB_TC_MISS, 119 FDB_BR_OFFLOAD, 120 FDB_SLOW_PATH, 121 FDB_CRYPTO_EGRESS, 122 FDB_PER_VPORT, 123 }; 124 125 struct mlx5_pkt_reformat; 126 struct mlx5_modify_hdr; 127 struct mlx5_flow_definer; 128 struct mlx5_flow_table; 129 struct mlx5_flow_group; 130 struct mlx5_flow_namespace; 131 struct mlx5_flow_handle; 132 133 enum { 134 FLOW_CONTEXT_HAS_TAG = BIT(0), 135 }; 136 137 struct mlx5_flow_context { 138 u32 flags; 139 u32 flow_tag; 140 u32 flow_source; 141 }; 142 143 struct mlx5_flow_spec { 144 u8 match_criteria_enable; 145 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; 146 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; 147 struct mlx5_flow_context flow_context; 148 }; 149 150 enum { 151 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0), 152 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1), 153 }; 154 155 enum mlx5_flow_dest_range_field { 156 MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN = 0, 157 }; 158 159 struct mlx5_flow_destination { 160 enum mlx5_flow_destination_type type; 161 union { 162 u32 tir_num; 163 u32 ft_num; 164 struct mlx5_flow_table *ft; 165 u32 counter_id; 166 struct { 167 u16 num; 168 u16 vhca_id; 169 struct mlx5_pkt_reformat *pkt_reformat; 170 u8 flags; 171 } vport; 172 struct { 173 struct mlx5_flow_table *hit_ft; 174 struct mlx5_flow_table *miss_ft; 175 enum mlx5_flow_dest_range_field field; 176 u32 min; 177 u32 max; 178 } range; 179 u32 sampler_id; 180 }; 181 }; 182 183 struct mod_hdr_tbl { 184 struct mutex lock; /* protects hlist */ 185 DECLARE_HASHTABLE(hlist, 8); 186 }; 187 188 struct mlx5_flow_namespace * 189 mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n); 190 struct mlx5_flow_namespace * 191 mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 192 enum mlx5_flow_namespace_type type); 193 struct mlx5_flow_namespace * 194 mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev, 195 enum mlx5_flow_namespace_type type, 196 int vport); 197 198 struct mlx5_flow_table_attr { 199 int prio; 200 int max_fte; 201 u32 level; 202 u32 flags; 203 u16 uid; 204 struct mlx5_flow_table *next_ft; 205 206 struct { 207 int max_num_groups; 208 int num_reserved_entries; 209 } autogroup; 210 }; 211 212 struct mlx5_flow_table * 213 mlx5_create_flow_table(struct mlx5_flow_namespace *ns, 214 struct mlx5_flow_table_attr *ft_attr); 215 216 struct mlx5_flow_table * 217 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, 218 struct mlx5_flow_table_attr *ft_attr); 219 220 struct mlx5_flow_table * 221 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, 222 struct mlx5_flow_table_attr *ft_attr, u16 vport); 223 struct mlx5_flow_table *mlx5_create_lag_demux_flow_table( 224 struct mlx5_flow_namespace *ns, 225 int prio, u32 level); 226 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); 227 228 /* inbox should be set with the following values: 229 * start_flow_index 230 * end_flow_index 231 * match_criteria_enable 232 * match_criteria 233 */ 234 struct mlx5_flow_group * 235 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); 236 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); 237 238 struct mlx5_exe_aso { 239 u32 object_id; 240 u8 type; 241 u8 return_reg_id; 242 union { 243 u32 ctrl_data; 244 struct { 245 u8 meter_idx; 246 u8 init_color; 247 } flow_meter; 248 }; 249 }; 250 251 struct mlx5_fs_vlan { 252 u16 ethtype; 253 u16 vid; 254 u8 prio; 255 }; 256 257 #define MLX5_FS_VLAN_DEPTH 2 258 259 enum { 260 FLOW_ACT_NO_APPEND = BIT(0), 261 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1), 262 }; 263 264 struct mlx5_flow_act { 265 u32 action; 266 struct mlx5_modify_hdr *modify_hdr; 267 struct mlx5_pkt_reformat *pkt_reformat; 268 struct mlx5_flow_act_crypto_params { 269 u8 type; 270 u32 obj_id; 271 } crypto; 272 u32 flags; 273 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH]; 274 struct ib_counters *counters; 275 struct mlx5_flow_group *fg; 276 struct mlx5_exe_aso exe_aso; 277 }; 278 279 #define MLX5_DECLARE_FLOW_ACT(name) \ 280 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\ 281 .flags = 0, } 282 283 /* Single destination per rule. 284 * Group ID is implied by the match criteria. 285 */ 286 struct mlx5_flow_handle * 287 mlx5_add_flow_rules(struct mlx5_flow_table *ft, 288 const struct mlx5_flow_spec *spec, 289 struct mlx5_flow_act *flow_act, 290 struct mlx5_flow_destination *dest, 291 int num_dest); 292 void mlx5_del_flow_rules(struct mlx5_flow_handle *fr); 293 294 int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler, 295 struct mlx5_flow_destination *new_dest, 296 struct mlx5_flow_destination *old_dest); 297 298 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging); 299 300 /* As mlx5_fc_create() but doesn't queue stats refresh thread. */ 301 struct mlx5_fc *mlx5_fc_create_ex(struct mlx5_core_dev *dev, bool aging); 302 303 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); 304 u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter); 305 void mlx5_fc_query_cached(struct mlx5_fc *counter, 306 u64 *bytes, u64 *packets, u64 *lastuse); 307 void mlx5_fc_query_cached_raw(struct mlx5_fc *counter, 308 u64 *bytes, u64 *packets, u64 *lastuse); 309 int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter, 310 u64 *packets, u64 *bytes); 311 u32 mlx5_fc_id(struct mlx5_fc *counter); 312 313 int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 314 int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 315 316 struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev, 317 u8 ns_type, u8 num_actions, 318 void *modify_actions); 319 void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, 320 struct mlx5_modify_hdr *modify_hdr); 321 struct mlx5_flow_definer * 322 mlx5_create_match_definer(struct mlx5_core_dev *dev, 323 enum mlx5_flow_namespace_type ns_type, u16 format_id, 324 u32 *match_mask); 325 void mlx5_destroy_match_definer(struct mlx5_core_dev *dev, 326 struct mlx5_flow_definer *definer); 327 int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer); 328 329 struct mlx5_pkt_reformat_params { 330 int type; 331 u8 param_0; 332 u8 param_1; 333 size_t size; 334 void *data; 335 }; 336 337 struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev, 338 struct mlx5_pkt_reformat_params *params, 339 enum mlx5_flow_namespace_type ns_type); 340 void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev, 341 struct mlx5_pkt_reformat *reformat); 342 343 u32 mlx5_flow_table_id(struct mlx5_flow_table *ft); 344 #endif 345