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 }; 71 72 #define LEFTOVERS_RULE_NUM 2 73 static inline void build_leftovers_ft_param(int *priority, 74 int *n_ent, 75 int *n_grp) 76 { 77 *priority = 0; /* Priority of leftovers_prio-0 */ 78 *n_ent = LEFTOVERS_RULE_NUM; 79 *n_grp = LEFTOVERS_RULE_NUM; 80 } 81 82 enum mlx5_flow_namespace_type { 83 MLX5_FLOW_NAMESPACE_BYPASS, 84 MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC, 85 MLX5_FLOW_NAMESPACE_LAG, 86 MLX5_FLOW_NAMESPACE_OFFLOADS, 87 MLX5_FLOW_NAMESPACE_ETHTOOL, 88 MLX5_FLOW_NAMESPACE_KERNEL, 89 MLX5_FLOW_NAMESPACE_LEFTOVERS, 90 MLX5_FLOW_NAMESPACE_ANCHOR, 91 MLX5_FLOW_NAMESPACE_FDB_BYPASS, 92 MLX5_FLOW_NAMESPACE_FDB, 93 MLX5_FLOW_NAMESPACE_ESW_EGRESS, 94 MLX5_FLOW_NAMESPACE_ESW_INGRESS, 95 MLX5_FLOW_NAMESPACE_SNIFFER_RX, 96 MLX5_FLOW_NAMESPACE_SNIFFER_TX, 97 MLX5_FLOW_NAMESPACE_EGRESS, 98 MLX5_FLOW_NAMESPACE_EGRESS_IPSEC, 99 MLX5_FLOW_NAMESPACE_EGRESS_MACSEC, 100 MLX5_FLOW_NAMESPACE_RDMA_RX, 101 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL, 102 MLX5_FLOW_NAMESPACE_RDMA_TX, 103 MLX5_FLOW_NAMESPACE_PORT_SEL, 104 MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS, 105 MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS, 106 MLX5_FLOW_NAMESPACE_RDMA_RX_IPSEC, 107 MLX5_FLOW_NAMESPACE_RDMA_TX_IPSEC, 108 MLX5_FLOW_NAMESPACE_RDMA_RX_MACSEC, 109 MLX5_FLOW_NAMESPACE_RDMA_TX_MACSEC, 110 }; 111 112 enum { 113 FDB_BYPASS_PATH, 114 FDB_CRYPTO_INGRESS, 115 FDB_TC_OFFLOAD, 116 FDB_FT_OFFLOAD, 117 FDB_TC_MISS, 118 FDB_BR_OFFLOAD, 119 FDB_SLOW_PATH, 120 FDB_CRYPTO_EGRESS, 121 FDB_PER_VPORT, 122 }; 123 124 struct mlx5_pkt_reformat; 125 struct mlx5_modify_hdr; 126 struct mlx5_flow_definer; 127 struct mlx5_flow_table; 128 struct mlx5_flow_group; 129 struct mlx5_flow_namespace; 130 struct mlx5_flow_handle; 131 132 enum { 133 FLOW_CONTEXT_HAS_TAG = BIT(0), 134 }; 135 136 struct mlx5_flow_context { 137 u32 flags; 138 u32 flow_tag; 139 u32 flow_source; 140 }; 141 142 struct mlx5_flow_spec { 143 u8 match_criteria_enable; 144 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; 145 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; 146 struct mlx5_flow_context flow_context; 147 }; 148 149 enum { 150 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0), 151 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1), 152 }; 153 154 enum mlx5_flow_dest_range_field { 155 MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN = 0, 156 }; 157 158 struct mlx5_flow_destination { 159 enum mlx5_flow_destination_type type; 160 union { 161 u32 tir_num; 162 u32 ft_num; 163 struct mlx5_flow_table *ft; 164 u32 counter_id; 165 struct { 166 u16 num; 167 u16 vhca_id; 168 struct mlx5_pkt_reformat *pkt_reformat; 169 u8 flags; 170 } vport; 171 struct { 172 struct mlx5_flow_table *hit_ft; 173 struct mlx5_flow_table *miss_ft; 174 enum mlx5_flow_dest_range_field field; 175 u32 min; 176 u32 max; 177 } range; 178 u32 sampler_id; 179 }; 180 }; 181 182 struct mod_hdr_tbl { 183 struct mutex lock; /* protects hlist */ 184 DECLARE_HASHTABLE(hlist, 8); 185 }; 186 187 struct mlx5_flow_namespace * 188 mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n); 189 struct mlx5_flow_namespace * 190 mlx5_get_flow_namespace(struct mlx5_core_dev *dev, 191 enum mlx5_flow_namespace_type type); 192 struct mlx5_flow_namespace * 193 mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev, 194 enum mlx5_flow_namespace_type type, 195 int vport); 196 197 struct mlx5_flow_table_attr { 198 int prio; 199 int max_fte; 200 u32 level; 201 u32 flags; 202 u16 uid; 203 struct mlx5_flow_table *next_ft; 204 205 struct { 206 int max_num_groups; 207 int num_reserved_entries; 208 } autogroup; 209 }; 210 211 struct mlx5_flow_table * 212 mlx5_create_flow_table(struct mlx5_flow_namespace *ns, 213 struct mlx5_flow_table_attr *ft_attr); 214 215 struct mlx5_flow_table * 216 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, 217 struct mlx5_flow_table_attr *ft_attr); 218 219 struct mlx5_flow_table * 220 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, 221 struct mlx5_flow_table_attr *ft_attr, u16 vport); 222 struct mlx5_flow_table *mlx5_create_lag_demux_flow_table( 223 struct mlx5_flow_namespace *ns, 224 int prio, u32 level); 225 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); 226 227 /* inbox should be set with the following values: 228 * start_flow_index 229 * end_flow_index 230 * match_criteria_enable 231 * match_criteria 232 */ 233 struct mlx5_flow_group * 234 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); 235 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); 236 237 struct mlx5_exe_aso { 238 u32 object_id; 239 u8 type; 240 u8 return_reg_id; 241 union { 242 u32 ctrl_data; 243 struct { 244 u8 meter_idx; 245 u8 init_color; 246 } flow_meter; 247 }; 248 }; 249 250 struct mlx5_fs_vlan { 251 u16 ethtype; 252 u16 vid; 253 u8 prio; 254 }; 255 256 #define MLX5_FS_VLAN_DEPTH 2 257 258 enum { 259 FLOW_ACT_NO_APPEND = BIT(0), 260 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1), 261 }; 262 263 struct mlx5_flow_act { 264 u32 action; 265 struct mlx5_modify_hdr *modify_hdr; 266 struct mlx5_pkt_reformat *pkt_reformat; 267 struct mlx5_flow_act_crypto_params { 268 u8 type; 269 u32 obj_id; 270 } crypto; 271 u32 flags; 272 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH]; 273 struct ib_counters *counters; 274 struct mlx5_flow_group *fg; 275 struct mlx5_exe_aso exe_aso; 276 }; 277 278 #define MLX5_DECLARE_FLOW_ACT(name) \ 279 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\ 280 .flags = 0, } 281 282 /* Single destination per rule. 283 * Group ID is implied by the match criteria. 284 */ 285 struct mlx5_flow_handle * 286 mlx5_add_flow_rules(struct mlx5_flow_table *ft, 287 const struct mlx5_flow_spec *spec, 288 struct mlx5_flow_act *flow_act, 289 struct mlx5_flow_destination *dest, 290 int num_dest); 291 void mlx5_del_flow_rules(struct mlx5_flow_handle *fr); 292 293 int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler, 294 struct mlx5_flow_destination *new_dest, 295 struct mlx5_flow_destination *old_dest); 296 297 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging); 298 299 /* As mlx5_fc_create() but doesn't queue stats refresh thread. */ 300 struct mlx5_fc *mlx5_fc_create_ex(struct mlx5_core_dev *dev, bool aging); 301 302 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); 303 u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter); 304 void mlx5_fc_query_cached(struct mlx5_fc *counter, 305 u64 *bytes, u64 *packets, u64 *lastuse); 306 void mlx5_fc_query_cached_raw(struct mlx5_fc *counter, 307 u64 *bytes, u64 *packets, u64 *lastuse); 308 int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter, 309 u64 *packets, u64 *bytes); 310 u32 mlx5_fc_id(struct mlx5_fc *counter); 311 312 int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 313 int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); 314 315 struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev, 316 u8 ns_type, u8 num_actions, 317 void *modify_actions); 318 void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, 319 struct mlx5_modify_hdr *modify_hdr); 320 struct mlx5_flow_definer * 321 mlx5_create_match_definer(struct mlx5_core_dev *dev, 322 enum mlx5_flow_namespace_type ns_type, u16 format_id, 323 u32 *match_mask); 324 void mlx5_destroy_match_definer(struct mlx5_core_dev *dev, 325 struct mlx5_flow_definer *definer); 326 int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer); 327 328 struct mlx5_pkt_reformat_params { 329 int type; 330 u8 param_0; 331 u8 param_1; 332 size_t size; 333 void *data; 334 }; 335 336 struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev, 337 struct mlx5_pkt_reformat_params *params, 338 enum mlx5_flow_namespace_type ns_type); 339 void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev, 340 struct mlx5_pkt_reformat *reformat); 341 342 u32 mlx5_flow_table_id(struct mlx5_flow_table *ft); 343 #endif 344