| 1 | /* |
| 2 | * Copyright (c) 2016, 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 | #include <linux/etherdevice.h> |
| 34 | #include <linux/idr.h> |
| 35 | #include <linux/mlx5/driver.h> |
| 36 | #include <linux/mlx5/mlx5_ifc.h> |
| 37 | #include <linux/mlx5/vport.h> |
| 38 | #include <linux/mlx5/fs.h> |
| 39 | #include "mlx5_core.h" |
| 40 | #include "eswitch.h" |
| 41 | #include "esw/indir_table.h" |
| 42 | #include "esw/acl/ofld.h" |
| 43 | #include "rdma.h" |
| 44 | #include "en.h" |
| 45 | #include "fs_core.h" |
| 46 | #include "lib/mlx5.h" |
| 47 | #include "lib/devcom.h" |
| 48 | #include "lib/eq.h" |
| 49 | #include "lib/fs_chains.h" |
| 50 | #include "en_tc.h" |
| 51 | #include "en/mapping.h" |
| 52 | #include "devlink.h" |
| 53 | #include "lag/lag.h" |
| 54 | #include "en/tc/post_meter.h" |
| 55 | #include "fw_reset.h" |
| 56 | |
| 57 | /* There are two match-all miss flows, one for unicast dst mac and |
| 58 | * one for multicast. |
| 59 | */ |
| 60 | #define MLX5_ESW_MISS_FLOWS (2) |
| 61 | #define UPLINK_REP_INDEX 0 |
| 62 | |
| 63 | #define MLX5_ESW_VPORT_TBL_SIZE 128 |
| 64 | #define MLX5_ESW_VPORT_TBL_NUM_GROUPS 4 |
| 65 | |
| 66 | #define MLX5_ESW_FT_OFFLOADS_DROP_RULE (1) |
| 67 | |
| 68 | #define MLX5_ESW_MAX_CTRL_EQS 4 |
| 69 | #define MLX5_ESW_DEFAULT_SF_COMP_EQS 8 |
| 70 | |
| 71 | static struct esw_vport_tbl_namespace mlx5_esw_vport_tbl_mirror_ns = { |
| 72 | .max_fte = MLX5_ESW_VPORT_TBL_SIZE, |
| 73 | .max_num_groups = MLX5_ESW_VPORT_TBL_NUM_GROUPS, |
| 74 | .flags = 0, |
| 75 | }; |
| 76 | |
| 77 | static struct mlx5_eswitch_rep *mlx5_eswitch_get_rep(struct mlx5_eswitch *esw, |
| 78 | u16 vport_num) |
| 79 | { |
| 80 | return xa_load(&esw->offloads.vport_reps, index: vport_num); |
| 81 | } |
| 82 | |
| 83 | static void |
| 84 | mlx5_eswitch_set_rule_flow_source(struct mlx5_eswitch *esw, |
| 85 | struct mlx5_flow_spec *spec, |
| 86 | struct mlx5_esw_flow_attr *attr) |
| 87 | { |
| 88 | if (!MLX5_CAP_ESW_FLOWTABLE(esw->dev, flow_source) || !attr || !attr->in_rep) |
| 89 | return; |
| 90 | |
| 91 | if (attr->int_port) { |
| 92 | spec->flow_context.flow_source = mlx5e_tc_int_port_get_flow_source(int_port: attr->int_port); |
| 93 | |
| 94 | return; |
| 95 | } |
| 96 | |
| 97 | spec->flow_context.flow_source = (attr->in_rep->vport == MLX5_VPORT_UPLINK) ? |
| 98 | MLX5_FLOW_CONTEXT_FLOW_SOURCE_UPLINK : |
| 99 | MLX5_FLOW_CONTEXT_FLOW_SOURCE_LOCAL_VPORT; |
| 100 | } |
| 101 | |
| 102 | /* Actually only the upper 16 bits of reg c0 need to be cleared, but the lower 16 bits |
| 103 | * are not needed as well in the following process. So clear them all for simplicity. |
| 104 | */ |
| 105 | void |
| 106 | mlx5_eswitch_clear_rule_source_port(struct mlx5_eswitch *esw, struct mlx5_flow_spec *spec) |
| 107 | { |
| 108 | if (mlx5_eswitch_vport_match_metadata_enabled(esw)) { |
| 109 | void *misc2; |
| 110 | |
| 111 | misc2 = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters_2); |
| 112 | MLX5_SET(fte_match_set_misc2, misc2, metadata_reg_c_0, 0); |
| 113 | |
| 114 | misc2 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters_2); |
| 115 | MLX5_SET(fte_match_set_misc2, misc2, metadata_reg_c_0, 0); |
| 116 | |
| 117 | if (!memchr_inv(p: misc2, c: 0, MLX5_ST_SZ_BYTES(fte_match_set_misc2))) |
| 118 | spec->match_criteria_enable &= ~MLX5_MATCH_MISC_PARAMETERS_2; |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | static void |
| 123 | mlx5_eswitch_set_rule_source_port(struct mlx5_eswitch *esw, |
| 124 | struct mlx5_flow_spec *spec, |
| 125 | struct mlx5_flow_attr *attr, |
| 126 | struct mlx5_eswitch *src_esw, |
| 127 | u16 vport) |
| 128 | { |
| 129 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 130 | u32 metadata; |
| 131 | void *misc2; |
| 132 | void *misc; |
| 133 | |
| 134 | /* Use metadata matching because vport is not represented by single |
| 135 | * VHCA in dual-port RoCE mode, and matching on source vport may fail. |
| 136 | */ |
| 137 | if (mlx5_eswitch_vport_match_metadata_enabled(esw)) { |
| 138 | if (mlx5_esw_indir_table_decap_vport(attr)) |
| 139 | vport = mlx5_esw_indir_table_decap_vport(attr); |
| 140 | |
| 141 | if (!attr->chain && esw_attr && esw_attr->int_port) |
| 142 | metadata = |
| 143 | mlx5e_tc_int_port_get_metadata_for_match(int_port: esw_attr->int_port); |
| 144 | else |
| 145 | metadata = |
| 146 | mlx5_eswitch_get_vport_metadata_for_match(esw: src_esw, vport_num: vport); |
| 147 | |
| 148 | misc2 = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters_2); |
| 149 | MLX5_SET(fte_match_set_misc2, misc2, metadata_reg_c_0, metadata); |
| 150 | |
| 151 | misc2 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters_2); |
| 152 | MLX5_SET(fte_match_set_misc2, misc2, metadata_reg_c_0, |
| 153 | mlx5_eswitch_get_vport_metadata_mask()); |
| 154 | |
| 155 | spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; |
| 156 | } else { |
| 157 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters); |
| 158 | MLX5_SET(fte_match_set_misc, misc, source_port, vport); |
| 159 | |
| 160 | if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) |
| 161 | MLX5_SET(fte_match_set_misc, misc, |
| 162 | source_eswitch_owner_vhca_id, |
| 163 | MLX5_CAP_GEN(src_esw->dev, vhca_id)); |
| 164 | |
| 165 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters); |
| 166 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port); |
| 167 | if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) |
| 168 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, |
| 169 | source_eswitch_owner_vhca_id); |
| 170 | |
| 171 | spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | static int |
| 176 | esw_setup_decap_indir(struct mlx5_eswitch *esw, |
| 177 | struct mlx5_flow_attr *attr) |
| 178 | { |
| 179 | struct mlx5_flow_table *ft; |
| 180 | |
| 181 | if (!(attr->flags & MLX5_ATTR_FLAG_SRC_REWRITE)) |
| 182 | return -EOPNOTSUPP; |
| 183 | |
| 184 | ft = mlx5_esw_indir_table_get(esw, attr, |
| 185 | vport: mlx5_esw_indir_table_decap_vport(attr), decap: true); |
| 186 | return PTR_ERR_OR_ZERO(ptr: ft); |
| 187 | } |
| 188 | |
| 189 | static void |
| 190 | esw_cleanup_decap_indir(struct mlx5_eswitch *esw, |
| 191 | struct mlx5_flow_attr *attr) |
| 192 | { |
| 193 | if (mlx5_esw_indir_table_decap_vport(attr)) |
| 194 | mlx5_esw_indir_table_put(esw, |
| 195 | vport: mlx5_esw_indir_table_decap_vport(attr), |
| 196 | decap: true); |
| 197 | } |
| 198 | |
| 199 | static int |
| 200 | esw_setup_mtu_dest(struct mlx5_flow_destination *dest, |
| 201 | struct mlx5e_meter_attr *meter, |
| 202 | int i) |
| 203 | { |
| 204 | dest[i].type = MLX5_FLOW_DESTINATION_TYPE_RANGE; |
| 205 | dest[i].range.field = MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN; |
| 206 | dest[i].range.min = 0; |
| 207 | dest[i].range.max = meter->params.mtu; |
| 208 | dest[i].range.hit_ft = mlx5e_post_meter_get_mtu_true_ft(post_meter: meter->post_meter); |
| 209 | dest[i].range.miss_ft = mlx5e_post_meter_get_mtu_false_ft(post_meter: meter->post_meter); |
| 210 | |
| 211 | return 0; |
| 212 | } |
| 213 | |
| 214 | static int |
| 215 | esw_setup_sampler_dest(struct mlx5_flow_destination *dest, |
| 216 | struct mlx5_flow_act *flow_act, |
| 217 | u32 sampler_id, |
| 218 | int i) |
| 219 | { |
| 220 | flow_act->flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; |
| 221 | dest[i].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER; |
| 222 | dest[i].sampler_id = sampler_id; |
| 223 | |
| 224 | return 0; |
| 225 | } |
| 226 | |
| 227 | static int |
| 228 | esw_setup_ft_dest(struct mlx5_flow_destination *dest, |
| 229 | struct mlx5_flow_act *flow_act, |
| 230 | struct mlx5_eswitch *esw, |
| 231 | struct mlx5_flow_attr *attr, |
| 232 | int i) |
| 233 | { |
| 234 | flow_act->flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; |
| 235 | dest[i].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 236 | dest[i].ft = attr->dest_ft; |
| 237 | |
| 238 | if (mlx5_esw_indir_table_decap_vport(attr)) |
| 239 | return esw_setup_decap_indir(esw, attr); |
| 240 | return 0; |
| 241 | } |
| 242 | |
| 243 | static void |
| 244 | esw_setup_accept_dest(struct mlx5_flow_destination *dest, struct mlx5_flow_act *flow_act, |
| 245 | struct mlx5_fs_chains *chains, int i) |
| 246 | { |
| 247 | if (mlx5_chains_ignore_flow_level_supported(chains)) |
| 248 | flow_act->flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; |
| 249 | dest[i].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 250 | dest[i].ft = mlx5_chains_get_tc_end_ft(chains); |
| 251 | } |
| 252 | |
| 253 | static void |
| 254 | esw_setup_slow_path_dest(struct mlx5_flow_destination *dest, struct mlx5_flow_act *flow_act, |
| 255 | struct mlx5_eswitch *esw, int i) |
| 256 | { |
| 257 | if (MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, ignore_flow_level)) |
| 258 | flow_act->flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; |
| 259 | dest[i].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 260 | dest[i].ft = mlx5_eswitch_get_slow_fdb(esw); |
| 261 | } |
| 262 | |
| 263 | static int |
| 264 | esw_setup_chain_dest(struct mlx5_flow_destination *dest, |
| 265 | struct mlx5_flow_act *flow_act, |
| 266 | struct mlx5_fs_chains *chains, |
| 267 | u32 chain, u32 prio, u32 level, |
| 268 | int i) |
| 269 | { |
| 270 | struct mlx5_flow_table *ft; |
| 271 | |
| 272 | flow_act->flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; |
| 273 | ft = mlx5_chains_get_table(chains, chain, prio, level); |
| 274 | if (IS_ERR(ptr: ft)) |
| 275 | return PTR_ERR(ptr: ft); |
| 276 | |
| 277 | dest[i].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 278 | dest[i].ft = ft; |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | static void esw_put_dest_tables_loop(struct mlx5_eswitch *esw, struct mlx5_flow_attr *attr, |
| 283 | int from, int to) |
| 284 | { |
| 285 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 286 | struct mlx5_fs_chains *chains = esw_chains(esw); |
| 287 | int i; |
| 288 | |
| 289 | for (i = from; i < to; i++) |
| 290 | if (esw_attr->dests[i].flags & MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) |
| 291 | mlx5_chains_put_table(chains, chain: 0, prio: 1, level: 0); |
| 292 | else if (mlx5_esw_indir_table_needed(esw, attr, vport_num: esw_attr->dests[i].vport, |
| 293 | dest_mdev: esw_attr->dests[i].mdev)) |
| 294 | mlx5_esw_indir_table_put(esw, vport: esw_attr->dests[i].vport, decap: false); |
| 295 | } |
| 296 | |
| 297 | static bool |
| 298 | esw_is_chain_src_port_rewrite(struct mlx5_eswitch *esw, struct mlx5_esw_flow_attr *esw_attr) |
| 299 | { |
| 300 | int i; |
| 301 | |
| 302 | for (i = esw_attr->split_count; i < esw_attr->out_count; i++) |
| 303 | if (esw_attr->dests[i].flags & MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) |
| 304 | return true; |
| 305 | return false; |
| 306 | } |
| 307 | |
| 308 | static int |
| 309 | esw_setup_chain_src_port_rewrite(struct mlx5_flow_destination *dest, |
| 310 | struct mlx5_flow_act *flow_act, |
| 311 | struct mlx5_eswitch *esw, |
| 312 | struct mlx5_fs_chains *chains, |
| 313 | struct mlx5_flow_attr *attr, |
| 314 | int *i) |
| 315 | { |
| 316 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 317 | int err; |
| 318 | |
| 319 | if (!(attr->flags & MLX5_ATTR_FLAG_SRC_REWRITE)) |
| 320 | return -EOPNOTSUPP; |
| 321 | |
| 322 | /* flow steering cannot handle more than one dest with the same ft |
| 323 | * in a single flow |
| 324 | */ |
| 325 | if (esw_attr->out_count - esw_attr->split_count > 1) |
| 326 | return -EOPNOTSUPP; |
| 327 | |
| 328 | err = esw_setup_chain_dest(dest, flow_act, chains, chain: attr->dest_chain, prio: 1, level: 0, i: *i); |
| 329 | if (err) |
| 330 | return err; |
| 331 | |
| 332 | if (esw_attr->dests[esw_attr->split_count].pkt_reformat) { |
| 333 | flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; |
| 334 | flow_act->pkt_reformat = esw_attr->dests[esw_attr->split_count].pkt_reformat; |
| 335 | } |
| 336 | (*i)++; |
| 337 | |
| 338 | return 0; |
| 339 | } |
| 340 | |
| 341 | static void esw_cleanup_chain_src_port_rewrite(struct mlx5_eswitch *esw, |
| 342 | struct mlx5_flow_attr *attr) |
| 343 | { |
| 344 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 345 | |
| 346 | esw_put_dest_tables_loop(esw, attr, from: esw_attr->split_count, to: esw_attr->out_count); |
| 347 | } |
| 348 | |
| 349 | static bool |
| 350 | esw_is_indir_table(struct mlx5_eswitch *esw, struct mlx5_flow_attr *attr) |
| 351 | { |
| 352 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 353 | bool result = false; |
| 354 | int i; |
| 355 | |
| 356 | /* Indirect table is supported only for flows with in_port uplink |
| 357 | * and the destination is vport on the same eswitch as the uplink, |
| 358 | * return false in case at least one of destinations doesn't meet |
| 359 | * this criteria. |
| 360 | */ |
| 361 | for (i = esw_attr->split_count; i < esw_attr->out_count; i++) { |
| 362 | if (esw_attr->dests[i].vport_valid && |
| 363 | mlx5_esw_indir_table_needed(esw, attr, vport_num: esw_attr->dests[i].vport, |
| 364 | dest_mdev: esw_attr->dests[i].mdev)) { |
| 365 | result = true; |
| 366 | } else { |
| 367 | result = false; |
| 368 | break; |
| 369 | } |
| 370 | } |
| 371 | return result; |
| 372 | } |
| 373 | |
| 374 | static int |
| 375 | esw_setup_indir_table(struct mlx5_flow_destination *dest, |
| 376 | struct mlx5_flow_act *flow_act, |
| 377 | struct mlx5_eswitch *esw, |
| 378 | struct mlx5_flow_attr *attr, |
| 379 | int *i) |
| 380 | { |
| 381 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 382 | int j, err; |
| 383 | |
| 384 | if (!(attr->flags & MLX5_ATTR_FLAG_SRC_REWRITE)) |
| 385 | return -EOPNOTSUPP; |
| 386 | |
| 387 | for (j = esw_attr->split_count; j < esw_attr->out_count; j++, (*i)++) { |
| 388 | flow_act->flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; |
| 389 | dest[*i].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 390 | |
| 391 | dest[*i].ft = mlx5_esw_indir_table_get(esw, attr, |
| 392 | vport: esw_attr->dests[j].vport, decap: false); |
| 393 | if (IS_ERR(ptr: dest[*i].ft)) { |
| 394 | err = PTR_ERR(ptr: dest[*i].ft); |
| 395 | goto err_indir_tbl_get; |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | if (mlx5_esw_indir_table_decap_vport(attr)) { |
| 400 | err = esw_setup_decap_indir(esw, attr); |
| 401 | if (err) |
| 402 | goto err_indir_tbl_get; |
| 403 | } |
| 404 | |
| 405 | return 0; |
| 406 | |
| 407 | err_indir_tbl_get: |
| 408 | esw_put_dest_tables_loop(esw, attr, from: esw_attr->split_count, to: j); |
| 409 | return err; |
| 410 | } |
| 411 | |
| 412 | static void esw_cleanup_indir_table(struct mlx5_eswitch *esw, struct mlx5_flow_attr *attr) |
| 413 | { |
| 414 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 415 | |
| 416 | esw_put_dest_tables_loop(esw, attr, from: esw_attr->split_count, to: esw_attr->out_count); |
| 417 | esw_cleanup_decap_indir(esw, attr); |
| 418 | } |
| 419 | |
| 420 | static void |
| 421 | esw_cleanup_chain_dest(struct mlx5_fs_chains *chains, u32 chain, u32 prio, u32 level) |
| 422 | { |
| 423 | mlx5_chains_put_table(chains, chain, prio, level); |
| 424 | } |
| 425 | |
| 426 | static bool esw_same_vhca_id(struct mlx5_core_dev *mdev1, struct mlx5_core_dev *mdev2) |
| 427 | { |
| 428 | return MLX5_CAP_GEN(mdev1, vhca_id) == MLX5_CAP_GEN(mdev2, vhca_id); |
| 429 | } |
| 430 | |
| 431 | static bool esw_setup_uplink_fwd_ipsec_needed(struct mlx5_eswitch *esw, |
| 432 | struct mlx5_esw_flow_attr *esw_attr, |
| 433 | int attr_idx) |
| 434 | { |
| 435 | if (esw->offloads.ft_ipsec_tx_pol && |
| 436 | esw_attr->dests[attr_idx].vport_valid && |
| 437 | esw_attr->dests[attr_idx].vport == MLX5_VPORT_UPLINK && |
| 438 | /* To be aligned with software, encryption is needed only for tunnel device */ |
| 439 | (esw_attr->dests[attr_idx].flags & MLX5_ESW_DEST_ENCAP_VALID) && |
| 440 | esw_attr->dests[attr_idx].vport != esw_attr->in_rep->vport && |
| 441 | esw_same_vhca_id(mdev1: esw_attr->dests[attr_idx].mdev, mdev2: esw->dev)) |
| 442 | return true; |
| 443 | |
| 444 | return false; |
| 445 | } |
| 446 | |
| 447 | static bool esw_flow_dests_fwd_ipsec_check(struct mlx5_eswitch *esw, |
| 448 | struct mlx5_esw_flow_attr *esw_attr) |
| 449 | { |
| 450 | int i; |
| 451 | |
| 452 | if (!esw->offloads.ft_ipsec_tx_pol) |
| 453 | return true; |
| 454 | |
| 455 | for (i = 0; i < esw_attr->split_count; i++) |
| 456 | if (esw_setup_uplink_fwd_ipsec_needed(esw, esw_attr, attr_idx: i)) |
| 457 | return false; |
| 458 | |
| 459 | for (i = esw_attr->split_count; i < esw_attr->out_count; i++) |
| 460 | if (esw_setup_uplink_fwd_ipsec_needed(esw, esw_attr, attr_idx: i) && |
| 461 | (esw_attr->out_count - esw_attr->split_count > 1)) |
| 462 | return false; |
| 463 | |
| 464 | return true; |
| 465 | } |
| 466 | |
| 467 | static void |
| 468 | esw_setup_dest_fwd_vport(struct mlx5_flow_destination *dest, struct mlx5_flow_act *flow_act, |
| 469 | struct mlx5_eswitch *esw, struct mlx5_esw_flow_attr *esw_attr, |
| 470 | int attr_idx, int dest_idx, bool pkt_reformat) |
| 471 | { |
| 472 | dest[dest_idx].type = MLX5_FLOW_DESTINATION_TYPE_VPORT; |
| 473 | dest[dest_idx].vport.num = esw_attr->dests[attr_idx].vport; |
| 474 | if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) { |
| 475 | dest[dest_idx].vport.vhca_id = |
| 476 | MLX5_CAP_GEN(esw_attr->dests[attr_idx].mdev, vhca_id); |
| 477 | dest[dest_idx].vport.flags |= MLX5_FLOW_DEST_VPORT_VHCA_ID; |
| 478 | if (dest[dest_idx].vport.num == MLX5_VPORT_UPLINK && |
| 479 | mlx5_lag_is_mpesw(dev: esw->dev)) |
| 480 | dest[dest_idx].type = MLX5_FLOW_DESTINATION_TYPE_UPLINK; |
| 481 | } |
| 482 | if (esw_attr->dests[attr_idx].flags & MLX5_ESW_DEST_ENCAP_VALID) { |
| 483 | if (pkt_reformat) { |
| 484 | flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; |
| 485 | flow_act->pkt_reformat = esw_attr->dests[attr_idx].pkt_reformat; |
| 486 | } |
| 487 | dest[dest_idx].vport.flags |= MLX5_FLOW_DEST_VPORT_REFORMAT_ID; |
| 488 | dest[dest_idx].vport.pkt_reformat = esw_attr->dests[attr_idx].pkt_reformat; |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | static void |
| 493 | esw_setup_dest_fwd_ipsec(struct mlx5_flow_destination *dest, struct mlx5_flow_act *flow_act, |
| 494 | struct mlx5_eswitch *esw, struct mlx5_esw_flow_attr *esw_attr, |
| 495 | int attr_idx, int dest_idx, bool pkt_reformat) |
| 496 | { |
| 497 | dest[dest_idx].ft = esw->offloads.ft_ipsec_tx_pol; |
| 498 | dest[dest_idx].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 499 | if (pkt_reformat && |
| 500 | esw_attr->dests[attr_idx].flags & MLX5_ESW_DEST_ENCAP_VALID) { |
| 501 | flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; |
| 502 | flow_act->pkt_reformat = esw_attr->dests[attr_idx].pkt_reformat; |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | static void |
| 507 | esw_setup_vport_dest(struct mlx5_flow_destination *dest, struct mlx5_flow_act *flow_act, |
| 508 | struct mlx5_eswitch *esw, struct mlx5_esw_flow_attr *esw_attr, |
| 509 | int attr_idx, int dest_idx, bool pkt_reformat) |
| 510 | { |
| 511 | if (esw_setup_uplink_fwd_ipsec_needed(esw, esw_attr, attr_idx)) |
| 512 | esw_setup_dest_fwd_ipsec(dest, flow_act, esw, esw_attr, |
| 513 | attr_idx, dest_idx, pkt_reformat); |
| 514 | else |
| 515 | esw_setup_dest_fwd_vport(dest, flow_act, esw, esw_attr, |
| 516 | attr_idx, dest_idx, pkt_reformat); |
| 517 | } |
| 518 | |
| 519 | static int |
| 520 | esw_setup_vport_dests(struct mlx5_flow_destination *dest, struct mlx5_flow_act *flow_act, |
| 521 | struct mlx5_eswitch *esw, struct mlx5_esw_flow_attr *esw_attr, |
| 522 | int i) |
| 523 | { |
| 524 | int j; |
| 525 | |
| 526 | for (j = esw_attr->split_count; j < esw_attr->out_count; j++, i++) |
| 527 | esw_setup_vport_dest(dest, flow_act, esw, esw_attr, attr_idx: j, dest_idx: i, pkt_reformat: true); |
| 528 | return i; |
| 529 | } |
| 530 | |
| 531 | static bool |
| 532 | esw_src_port_rewrite_supported(struct mlx5_eswitch *esw) |
| 533 | { |
| 534 | return MLX5_CAP_GEN(esw->dev, reg_c_preserve) && |
| 535 | mlx5_eswitch_vport_match_metadata_enabled(esw) && |
| 536 | MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, ignore_flow_level); |
| 537 | } |
| 538 | |
| 539 | static bool |
| 540 | esw_dests_to_int_external(struct mlx5_flow_destination *dests, int max_dest) |
| 541 | { |
| 542 | bool internal_dest = false, external_dest = false; |
| 543 | int i; |
| 544 | |
| 545 | for (i = 0; i < max_dest; i++) { |
| 546 | if (dests[i].type != MLX5_FLOW_DESTINATION_TYPE_VPORT && |
| 547 | dests[i].type != MLX5_FLOW_DESTINATION_TYPE_UPLINK) |
| 548 | continue; |
| 549 | |
| 550 | /* Uplink dest is external, but considered as internal |
| 551 | * if there is reformat because firmware uses LB+hairpin to support it. |
| 552 | */ |
| 553 | if (dests[i].vport.num == MLX5_VPORT_UPLINK && |
| 554 | !(dests[i].vport.flags & MLX5_FLOW_DEST_VPORT_REFORMAT_ID)) |
| 555 | external_dest = true; |
| 556 | else |
| 557 | internal_dest = true; |
| 558 | |
| 559 | if (internal_dest && external_dest) |
| 560 | return true; |
| 561 | } |
| 562 | |
| 563 | return false; |
| 564 | } |
| 565 | |
| 566 | static int |
| 567 | esw_setup_dests(struct mlx5_flow_destination *dest, |
| 568 | struct mlx5_flow_act *flow_act, |
| 569 | struct mlx5_eswitch *esw, |
| 570 | struct mlx5_flow_attr *attr, |
| 571 | struct mlx5_flow_spec *spec, |
| 572 | int *i) |
| 573 | { |
| 574 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 575 | struct mlx5_fs_chains *chains = esw_chains(esw); |
| 576 | int err = 0; |
| 577 | |
| 578 | if (!mlx5_eswitch_termtbl_required(esw, attr, flow_act, spec) && |
| 579 | esw_src_port_rewrite_supported(esw)) |
| 580 | attr->flags |= MLX5_ATTR_FLAG_SRC_REWRITE; |
| 581 | |
| 582 | if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH) { |
| 583 | esw_setup_slow_path_dest(dest, flow_act, esw, i: *i); |
| 584 | (*i)++; |
| 585 | goto out; |
| 586 | } |
| 587 | |
| 588 | if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) { |
| 589 | esw_setup_sampler_dest(dest, flow_act, sampler_id: attr->sample_attr.sampler_id, i: *i); |
| 590 | (*i)++; |
| 591 | } else if (attr->flags & MLX5_ATTR_FLAG_ACCEPT) { |
| 592 | esw_setup_accept_dest(dest, flow_act, chains, i: *i); |
| 593 | (*i)++; |
| 594 | } else if (attr->flags & MLX5_ATTR_FLAG_MTU) { |
| 595 | err = esw_setup_mtu_dest(dest, meter: &attr->meter_attr, i: *i); |
| 596 | (*i)++; |
| 597 | } else if (esw_is_indir_table(esw, attr)) { |
| 598 | err = esw_setup_indir_table(dest, flow_act, esw, attr, i); |
| 599 | } else if (esw_is_chain_src_port_rewrite(esw, esw_attr)) { |
| 600 | err = esw_setup_chain_src_port_rewrite(dest, flow_act, esw, chains, attr, i); |
| 601 | } else { |
| 602 | *i = esw_setup_vport_dests(dest, flow_act, esw, esw_attr, i: *i); |
| 603 | |
| 604 | if (attr->dest_ft) { |
| 605 | err = esw_setup_ft_dest(dest, flow_act, esw, attr, i: *i); |
| 606 | (*i)++; |
| 607 | } else if (attr->dest_chain) { |
| 608 | err = esw_setup_chain_dest(dest, flow_act, chains, chain: attr->dest_chain, |
| 609 | prio: 1, level: 0, i: *i); |
| 610 | (*i)++; |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | if (attr->extra_split_ft) { |
| 615 | flow_act->flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; |
| 616 | dest[*i].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 617 | dest[*i].ft = attr->extra_split_ft; |
| 618 | (*i)++; |
| 619 | } |
| 620 | |
| 621 | out: |
| 622 | return err; |
| 623 | } |
| 624 | |
| 625 | static void |
| 626 | esw_cleanup_dests(struct mlx5_eswitch *esw, |
| 627 | struct mlx5_flow_attr *attr) |
| 628 | { |
| 629 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 630 | struct mlx5_fs_chains *chains = esw_chains(esw); |
| 631 | |
| 632 | if (attr->dest_ft) { |
| 633 | esw_cleanup_decap_indir(esw, attr); |
| 634 | } else if (!mlx5e_tc_attr_flags_skip(attr_flags: attr->flags)) { |
| 635 | if (attr->dest_chain) |
| 636 | esw_cleanup_chain_dest(chains, chain: attr->dest_chain, prio: 1, level: 0); |
| 637 | else if (esw_is_indir_table(esw, attr)) |
| 638 | esw_cleanup_indir_table(esw, attr); |
| 639 | else if (esw_is_chain_src_port_rewrite(esw, esw_attr)) |
| 640 | esw_cleanup_chain_src_port_rewrite(esw, attr); |
| 641 | } |
| 642 | } |
| 643 | |
| 644 | static void |
| 645 | esw_setup_meter(struct mlx5_flow_attr *attr, struct mlx5_flow_act *flow_act) |
| 646 | { |
| 647 | struct mlx5e_flow_meter_handle *meter; |
| 648 | |
| 649 | meter = attr->meter_attr.meter; |
| 650 | flow_act->exe_aso.type = attr->exe_aso_type; |
| 651 | flow_act->exe_aso.object_id = meter->obj_id; |
| 652 | flow_act->exe_aso.base_id = mlx5e_flow_meter_get_base_id(meter); |
| 653 | flow_act->exe_aso.flow_meter.meter_idx = meter->idx; |
| 654 | flow_act->exe_aso.flow_meter.init_color = MLX5_FLOW_METER_COLOR_GREEN; |
| 655 | /* use metadata reg 5 for packet color */ |
| 656 | flow_act->exe_aso.return_reg_id = 5; |
| 657 | } |
| 658 | |
| 659 | struct mlx5_flow_handle * |
| 660 | mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, |
| 661 | struct mlx5_flow_spec *spec, |
| 662 | struct mlx5_flow_attr *attr) |
| 663 | { |
| 664 | struct mlx5_flow_act flow_act = { .flags = FLOW_ACT_NO_APPEND, }; |
| 665 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 666 | struct mlx5_fs_chains *chains = esw_chains(esw); |
| 667 | bool split = !!(esw_attr->split_count); |
| 668 | struct mlx5_vport_tbl_attr fwd_attr; |
| 669 | struct mlx5_flow_destination *dest; |
| 670 | struct mlx5_flow_handle *rule; |
| 671 | struct mlx5_flow_table *fdb; |
| 672 | int i = 0; |
| 673 | |
| 674 | if (esw->mode != MLX5_ESWITCH_OFFLOADS) |
| 675 | return ERR_PTR(error: -EOPNOTSUPP); |
| 676 | |
| 677 | if (!mlx5_eswitch_vlan_actions_supported(dev: esw->dev, vlan_depth: 1)) |
| 678 | return ERR_PTR(error: -EOPNOTSUPP); |
| 679 | |
| 680 | if (!esw_flow_dests_fwd_ipsec_check(esw, esw_attr)) |
| 681 | return ERR_PTR(error: -EOPNOTSUPP); |
| 682 | |
| 683 | dest = kcalloc(MLX5_MAX_FLOW_FWD_VPORTS + 1, sizeof(*dest), GFP_KERNEL); |
| 684 | if (!dest) |
| 685 | return ERR_PTR(error: -ENOMEM); |
| 686 | |
| 687 | flow_act.action = attr->action; |
| 688 | |
| 689 | if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH) { |
| 690 | flow_act.vlan[0].ethtype = ntohs(esw_attr->vlan_proto[0]); |
| 691 | flow_act.vlan[0].vid = esw_attr->vlan_vid[0]; |
| 692 | flow_act.vlan[0].prio = esw_attr->vlan_prio[0]; |
| 693 | if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2) { |
| 694 | flow_act.vlan[1].ethtype = ntohs(esw_attr->vlan_proto[1]); |
| 695 | flow_act.vlan[1].vid = esw_attr->vlan_vid[1]; |
| 696 | flow_act.vlan[1].prio = esw_attr->vlan_prio[1]; |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | mlx5_eswitch_set_rule_flow_source(esw, spec, attr: esw_attr); |
| 701 | |
| 702 | if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { |
| 703 | int err; |
| 704 | |
| 705 | err = esw_setup_dests(dest, flow_act: &flow_act, esw, attr, spec, i: &i); |
| 706 | if (err) { |
| 707 | rule = ERR_PTR(error: err); |
| 708 | goto err_create_goto_table; |
| 709 | } |
| 710 | |
| 711 | /* Header rewrite with combined wire+loopback in FDB is not allowed */ |
| 712 | if ((flow_act.action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) && |
| 713 | esw_dests_to_int_external(dests: dest, max_dest: i)) { |
| 714 | esw_warn(esw->dev, |
| 715 | "FDB: Header rewrite with forwarding to both internal and external dests is not allowed\n" ); |
| 716 | rule = ERR_PTR(error: -EINVAL); |
| 717 | goto err_esw_get; |
| 718 | } |
| 719 | } |
| 720 | |
| 721 | if (esw_attr->decap_pkt_reformat) |
| 722 | flow_act.pkt_reformat = esw_attr->decap_pkt_reformat; |
| 723 | |
| 724 | if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { |
| 725 | dest[i].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; |
| 726 | dest[i].counter = attr->counter; |
| 727 | i++; |
| 728 | } |
| 729 | |
| 730 | if (attr->outer_match_level != MLX5_MATCH_NONE) |
| 731 | spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; |
| 732 | if (attr->inner_match_level != MLX5_MATCH_NONE) |
| 733 | spec->match_criteria_enable |= MLX5_MATCH_INNER_HEADERS; |
| 734 | |
| 735 | if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) |
| 736 | flow_act.modify_hdr = attr->modify_hdr; |
| 737 | |
| 738 | if ((flow_act.action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) && |
| 739 | attr->exe_aso_type == MLX5_EXE_ASO_FLOW_METER) |
| 740 | esw_setup_meter(attr, flow_act: &flow_act); |
| 741 | |
| 742 | if (split) { |
| 743 | fwd_attr.chain = attr->chain; |
| 744 | fwd_attr.prio = attr->prio; |
| 745 | fwd_attr.vport = esw_attr->in_rep->vport; |
| 746 | fwd_attr.vport_ns = &mlx5_esw_vport_tbl_mirror_ns; |
| 747 | |
| 748 | fdb = mlx5_esw_vporttbl_get(esw, attr: &fwd_attr); |
| 749 | } else { |
| 750 | if (attr->chain || attr->prio) |
| 751 | fdb = mlx5_chains_get_table(chains, chain: attr->chain, |
| 752 | prio: attr->prio, level: 0); |
| 753 | else |
| 754 | fdb = attr->ft; |
| 755 | |
| 756 | if (!(attr->flags & MLX5_ATTR_FLAG_NO_IN_PORT)) |
| 757 | mlx5_eswitch_set_rule_source_port(esw, spec, attr, |
| 758 | src_esw: esw_attr->in_mdev->priv.eswitch, |
| 759 | vport: esw_attr->in_rep->vport); |
| 760 | } |
| 761 | if (IS_ERR(ptr: fdb)) { |
| 762 | rule = ERR_CAST(ptr: fdb); |
| 763 | goto err_esw_get; |
| 764 | } |
| 765 | |
| 766 | if (!i) { |
| 767 | kfree(objp: dest); |
| 768 | dest = NULL; |
| 769 | } |
| 770 | |
| 771 | if (mlx5_eswitch_termtbl_required(esw, attr, flow_act: &flow_act, spec)) |
| 772 | rule = mlx5_eswitch_add_termtbl_rule(esw, ft: fdb, spec, attr: esw_attr, |
| 773 | flow_act: &flow_act, dest, num_dest: i); |
| 774 | else |
| 775 | rule = mlx5_add_flow_rules(ft: fdb, spec, flow_act: &flow_act, dest, num_dest: i); |
| 776 | if (IS_ERR(ptr: rule)) |
| 777 | goto err_add_rule; |
| 778 | else |
| 779 | atomic64_inc(v: &esw->offloads.num_flows); |
| 780 | |
| 781 | kfree(objp: dest); |
| 782 | return rule; |
| 783 | |
| 784 | err_add_rule: |
| 785 | if (split) |
| 786 | mlx5_esw_vporttbl_put(esw, attr: &fwd_attr); |
| 787 | else if (attr->chain || attr->prio) |
| 788 | mlx5_chains_put_table(chains, chain: attr->chain, prio: attr->prio, level: 0); |
| 789 | err_esw_get: |
| 790 | esw_cleanup_dests(esw, attr); |
| 791 | err_create_goto_table: |
| 792 | kfree(objp: dest); |
| 793 | return rule; |
| 794 | } |
| 795 | |
| 796 | struct mlx5_flow_handle * |
| 797 | mlx5_eswitch_add_fwd_rule(struct mlx5_eswitch *esw, |
| 798 | struct mlx5_flow_spec *spec, |
| 799 | struct mlx5_flow_attr *attr) |
| 800 | { |
| 801 | struct mlx5_flow_act flow_act = { .flags = FLOW_ACT_NO_APPEND, }; |
| 802 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 803 | struct mlx5_fs_chains *chains = esw_chains(esw); |
| 804 | struct mlx5_vport_tbl_attr fwd_attr; |
| 805 | struct mlx5_flow_destination *dest; |
| 806 | struct mlx5_flow_table *fast_fdb; |
| 807 | struct mlx5_flow_table *fwd_fdb; |
| 808 | struct mlx5_flow_handle *rule; |
| 809 | int i, err = 0; |
| 810 | |
| 811 | dest = kcalloc(MLX5_MAX_FLOW_FWD_VPORTS + 1, sizeof(*dest), GFP_KERNEL); |
| 812 | if (!dest) |
| 813 | return ERR_PTR(error: -ENOMEM); |
| 814 | |
| 815 | fast_fdb = mlx5_chains_get_table(chains, chain: attr->chain, prio: attr->prio, level: 0); |
| 816 | if (IS_ERR(ptr: fast_fdb)) { |
| 817 | rule = ERR_CAST(ptr: fast_fdb); |
| 818 | goto err_get_fast; |
| 819 | } |
| 820 | |
| 821 | fwd_attr.chain = attr->chain; |
| 822 | fwd_attr.prio = attr->prio; |
| 823 | fwd_attr.vport = esw_attr->in_rep->vport; |
| 824 | fwd_attr.vport_ns = &mlx5_esw_vport_tbl_mirror_ns; |
| 825 | fwd_fdb = mlx5_esw_vporttbl_get(esw, attr: &fwd_attr); |
| 826 | if (IS_ERR(ptr: fwd_fdb)) { |
| 827 | rule = ERR_CAST(ptr: fwd_fdb); |
| 828 | goto err_get_fwd; |
| 829 | } |
| 830 | |
| 831 | flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; |
| 832 | for (i = 0; i < esw_attr->split_count; i++) { |
| 833 | if (esw_attr->dests[i].flags & MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) |
| 834 | /* Source port rewrite (forward to ovs internal port or statck device) isn't |
| 835 | * supported in the rule of split action. |
| 836 | */ |
| 837 | err = -EOPNOTSUPP; |
| 838 | else |
| 839 | esw_setup_vport_dest(dest, flow_act: &flow_act, esw, esw_attr, attr_idx: i, dest_idx: i, pkt_reformat: false); |
| 840 | |
| 841 | if (err) { |
| 842 | rule = ERR_PTR(error: err); |
| 843 | goto err_chain_src_rewrite; |
| 844 | } |
| 845 | } |
| 846 | dest[i].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 847 | dest[i].ft = fwd_fdb; |
| 848 | i++; |
| 849 | |
| 850 | mlx5_eswitch_set_rule_source_port(esw, spec, attr, |
| 851 | src_esw: esw_attr->in_mdev->priv.eswitch, |
| 852 | vport: esw_attr->in_rep->vport); |
| 853 | |
| 854 | if (attr->outer_match_level != MLX5_MATCH_NONE) |
| 855 | spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; |
| 856 | |
| 857 | flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; |
| 858 | rule = mlx5_add_flow_rules(ft: fast_fdb, spec, flow_act: &flow_act, dest, num_dest: i); |
| 859 | |
| 860 | if (IS_ERR(ptr: rule)) { |
| 861 | i = esw_attr->split_count; |
| 862 | goto err_chain_src_rewrite; |
| 863 | } |
| 864 | |
| 865 | atomic64_inc(v: &esw->offloads.num_flows); |
| 866 | |
| 867 | kfree(objp: dest); |
| 868 | return rule; |
| 869 | err_chain_src_rewrite: |
| 870 | mlx5_esw_vporttbl_put(esw, attr: &fwd_attr); |
| 871 | err_get_fwd: |
| 872 | mlx5_chains_put_table(chains, chain: attr->chain, prio: attr->prio, level: 0); |
| 873 | err_get_fast: |
| 874 | kfree(objp: dest); |
| 875 | return rule; |
| 876 | } |
| 877 | |
| 878 | static void |
| 879 | __mlx5_eswitch_del_rule(struct mlx5_eswitch *esw, |
| 880 | struct mlx5_flow_handle *rule, |
| 881 | struct mlx5_flow_attr *attr, |
| 882 | bool fwd_rule) |
| 883 | { |
| 884 | struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; |
| 885 | struct mlx5_fs_chains *chains = esw_chains(esw); |
| 886 | bool split = (esw_attr->split_count > 0); |
| 887 | struct mlx5_vport_tbl_attr fwd_attr; |
| 888 | int i; |
| 889 | |
| 890 | mlx5_del_flow_rules(fr: rule); |
| 891 | |
| 892 | if (!mlx5e_tc_attr_flags_skip(attr_flags: attr->flags)) { |
| 893 | /* unref the term table */ |
| 894 | for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { |
| 895 | if (esw_attr->dests[i].termtbl) |
| 896 | mlx5_eswitch_termtbl_put(esw, tt: esw_attr->dests[i].termtbl); |
| 897 | } |
| 898 | } |
| 899 | |
| 900 | atomic64_dec(v: &esw->offloads.num_flows); |
| 901 | |
| 902 | if (fwd_rule || split) { |
| 903 | fwd_attr.chain = attr->chain; |
| 904 | fwd_attr.prio = attr->prio; |
| 905 | fwd_attr.vport = esw_attr->in_rep->vport; |
| 906 | fwd_attr.vport_ns = &mlx5_esw_vport_tbl_mirror_ns; |
| 907 | } |
| 908 | |
| 909 | if (fwd_rule) { |
| 910 | mlx5_esw_vporttbl_put(esw, attr: &fwd_attr); |
| 911 | mlx5_chains_put_table(chains, chain: attr->chain, prio: attr->prio, level: 0); |
| 912 | } else { |
| 913 | if (split) |
| 914 | mlx5_esw_vporttbl_put(esw, attr: &fwd_attr); |
| 915 | else if (attr->chain || attr->prio) |
| 916 | mlx5_chains_put_table(chains, chain: attr->chain, prio: attr->prio, level: 0); |
| 917 | esw_cleanup_dests(esw, attr); |
| 918 | } |
| 919 | } |
| 920 | |
| 921 | void |
| 922 | mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw, |
| 923 | struct mlx5_flow_handle *rule, |
| 924 | struct mlx5_flow_attr *attr) |
| 925 | { |
| 926 | __mlx5_eswitch_del_rule(esw, rule, attr, fwd_rule: false); |
| 927 | } |
| 928 | |
| 929 | void |
| 930 | mlx5_eswitch_del_fwd_rule(struct mlx5_eswitch *esw, |
| 931 | struct mlx5_flow_handle *rule, |
| 932 | struct mlx5_flow_attr *attr) |
| 933 | { |
| 934 | __mlx5_eswitch_del_rule(esw, rule, attr, fwd_rule: true); |
| 935 | } |
| 936 | |
| 937 | struct mlx5_flow_handle * |
| 938 | mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *on_esw, |
| 939 | struct mlx5_eswitch *from_esw, |
| 940 | struct mlx5_eswitch_rep *rep, |
| 941 | u32 sqn) |
| 942 | { |
| 943 | struct mlx5_flow_act flow_act = {0}; |
| 944 | struct mlx5_flow_destination dest = {}; |
| 945 | struct mlx5_flow_handle *flow_rule; |
| 946 | struct mlx5_flow_spec *spec; |
| 947 | void *misc; |
| 948 | u16 vport; |
| 949 | |
| 950 | spec = kvzalloc(sizeof(*spec), GFP_KERNEL); |
| 951 | if (!spec) { |
| 952 | flow_rule = ERR_PTR(error: -ENOMEM); |
| 953 | goto out; |
| 954 | } |
| 955 | |
| 956 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters); |
| 957 | MLX5_SET(fte_match_set_misc, misc, source_sqn, sqn); |
| 958 | |
| 959 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters); |
| 960 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_sqn); |
| 961 | |
| 962 | spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS; |
| 963 | |
| 964 | /* source vport is the esw manager */ |
| 965 | vport = from_esw->manager_vport; |
| 966 | |
| 967 | if (mlx5_eswitch_vport_match_metadata_enabled(esw: on_esw)) { |
| 968 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters_2); |
| 969 | MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0, |
| 970 | mlx5_eswitch_get_vport_metadata_for_match(from_esw, vport)); |
| 971 | |
| 972 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters_2); |
| 973 | MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0, |
| 974 | mlx5_eswitch_get_vport_metadata_mask()); |
| 975 | |
| 976 | spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; |
| 977 | } else { |
| 978 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters); |
| 979 | MLX5_SET(fte_match_set_misc, misc, source_port, vport); |
| 980 | |
| 981 | if (MLX5_CAP_ESW(on_esw->dev, merged_eswitch)) |
| 982 | MLX5_SET(fte_match_set_misc, misc, source_eswitch_owner_vhca_id, |
| 983 | MLX5_CAP_GEN(from_esw->dev, vhca_id)); |
| 984 | |
| 985 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters); |
| 986 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port); |
| 987 | |
| 988 | if (MLX5_CAP_ESW(on_esw->dev, merged_eswitch)) |
| 989 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, |
| 990 | source_eswitch_owner_vhca_id); |
| 991 | |
| 992 | spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; |
| 993 | } |
| 994 | |
| 995 | dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; |
| 996 | dest.vport.num = rep->vport; |
| 997 | dest.vport.vhca_id = MLX5_CAP_GEN(rep->esw->dev, vhca_id); |
| 998 | dest.vport.flags |= MLX5_FLOW_DEST_VPORT_VHCA_ID; |
| 999 | flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; |
| 1000 | |
| 1001 | if (rep->vport == MLX5_VPORT_UPLINK && |
| 1002 | on_esw == from_esw && on_esw->offloads.ft_ipsec_tx_pol) { |
| 1003 | dest.ft = on_esw->offloads.ft_ipsec_tx_pol; |
| 1004 | flow_act.flags = FLOW_ACT_IGNORE_FLOW_LEVEL; |
| 1005 | dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 1006 | } else { |
| 1007 | dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; |
| 1008 | dest.vport.num = rep->vport; |
| 1009 | dest.vport.vhca_id = MLX5_CAP_GEN(rep->esw->dev, vhca_id); |
| 1010 | dest.vport.flags |= MLX5_FLOW_DEST_VPORT_VHCA_ID; |
| 1011 | } |
| 1012 | |
| 1013 | if (MLX5_CAP_ESW_FLOWTABLE(on_esw->dev, flow_source) && |
| 1014 | rep->vport == MLX5_VPORT_UPLINK) |
| 1015 | spec->flow_context.flow_source = MLX5_FLOW_CONTEXT_FLOW_SOURCE_LOCAL_VPORT; |
| 1016 | |
| 1017 | flow_rule = mlx5_add_flow_rules(ft: mlx5_eswitch_get_slow_fdb(esw: on_esw), |
| 1018 | spec, flow_act: &flow_act, dest: &dest, num_dest: 1); |
| 1019 | if (IS_ERR(ptr: flow_rule)) |
| 1020 | esw_warn(on_esw->dev, "FDB: Failed to add send to vport rule err %pe\n" , |
| 1021 | flow_rule); |
| 1022 | out: |
| 1023 | kvfree(addr: spec); |
| 1024 | return flow_rule; |
| 1025 | } |
| 1026 | EXPORT_SYMBOL(mlx5_eswitch_add_send_to_vport_rule); |
| 1027 | |
| 1028 | void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule) |
| 1029 | { |
| 1030 | mlx5_del_flow_rules(fr: rule); |
| 1031 | } |
| 1032 | |
| 1033 | void mlx5_eswitch_del_send_to_vport_meta_rule(struct mlx5_flow_handle *rule) |
| 1034 | { |
| 1035 | if (rule) |
| 1036 | mlx5_del_flow_rules(fr: rule); |
| 1037 | } |
| 1038 | |
| 1039 | struct mlx5_flow_handle * |
| 1040 | mlx5_eswitch_add_send_to_vport_meta_rule(struct mlx5_eswitch *esw, u16 vport_num) |
| 1041 | { |
| 1042 | struct mlx5_flow_destination dest = {}; |
| 1043 | struct mlx5_flow_act flow_act = {0}; |
| 1044 | struct mlx5_flow_handle *flow_rule; |
| 1045 | struct mlx5_flow_spec *spec; |
| 1046 | |
| 1047 | spec = kvzalloc(sizeof(*spec), GFP_KERNEL); |
| 1048 | if (!spec) |
| 1049 | return ERR_PTR(error: -ENOMEM); |
| 1050 | |
| 1051 | MLX5_SET(fte_match_param, spec->match_criteria, |
| 1052 | misc_parameters_2.metadata_reg_c_0, mlx5_eswitch_get_vport_metadata_mask()); |
| 1053 | MLX5_SET(fte_match_param, spec->match_criteria, |
| 1054 | misc_parameters_2.metadata_reg_c_1, ESW_TUN_MASK); |
| 1055 | MLX5_SET(fte_match_param, spec->match_value, misc_parameters_2.metadata_reg_c_1, |
| 1056 | ESW_TUN_SLOW_TABLE_GOTO_VPORT_MARK); |
| 1057 | |
| 1058 | spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS_2; |
| 1059 | dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; |
| 1060 | flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; |
| 1061 | |
| 1062 | MLX5_SET(fte_match_param, spec->match_value, misc_parameters_2.metadata_reg_c_0, |
| 1063 | mlx5_eswitch_get_vport_metadata_for_match(esw, vport_num)); |
| 1064 | dest.vport.num = vport_num; |
| 1065 | |
| 1066 | flow_rule = mlx5_add_flow_rules(ft: mlx5_eswitch_get_slow_fdb(esw), |
| 1067 | spec, flow_act: &flow_act, dest: &dest, num_dest: 1); |
| 1068 | if (IS_ERR(ptr: flow_rule)) |
| 1069 | esw_warn(esw->dev, "FDB: Failed to add send to vport meta rule vport %d, err %pe\n" , |
| 1070 | vport_num, flow_rule); |
| 1071 | |
| 1072 | kvfree(addr: spec); |
| 1073 | return flow_rule; |
| 1074 | } |
| 1075 | |
| 1076 | static bool mlx5_eswitch_reg_c1_loopback_supported(struct mlx5_eswitch *esw) |
| 1077 | { |
| 1078 | return MLX5_CAP_ESW_FLOWTABLE(esw->dev, fdb_to_vport_reg_c_id) & |
| 1079 | MLX5_FDB_TO_VPORT_REG_C_1; |
| 1080 | } |
| 1081 | |
| 1082 | static int esw_set_passing_vport_metadata(struct mlx5_eswitch *esw, bool enable) |
| 1083 | { |
| 1084 | u32 out[MLX5_ST_SZ_DW(query_esw_vport_context_out)] = {}; |
| 1085 | u32 min[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {}; |
| 1086 | u32 in[MLX5_ST_SZ_DW(query_esw_vport_context_in)] = {}; |
| 1087 | u8 curr, wanted; |
| 1088 | int err; |
| 1089 | |
| 1090 | if (!mlx5_eswitch_reg_c1_loopback_supported(esw) && |
| 1091 | !mlx5_eswitch_vport_match_metadata_enabled(esw)) |
| 1092 | return 0; |
| 1093 | |
| 1094 | MLX5_SET(query_esw_vport_context_in, in, opcode, |
| 1095 | MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT); |
| 1096 | err = mlx5_cmd_exec_inout(esw->dev, query_esw_vport_context, in, out); |
| 1097 | if (err) |
| 1098 | return err; |
| 1099 | |
| 1100 | curr = MLX5_GET(query_esw_vport_context_out, out, |
| 1101 | esw_vport_context.fdb_to_vport_reg_c_id); |
| 1102 | wanted = MLX5_FDB_TO_VPORT_REG_C_0; |
| 1103 | if (mlx5_eswitch_reg_c1_loopback_supported(esw)) |
| 1104 | wanted |= MLX5_FDB_TO_VPORT_REG_C_1; |
| 1105 | |
| 1106 | if (enable) |
| 1107 | curr |= wanted; |
| 1108 | else |
| 1109 | curr &= ~wanted; |
| 1110 | |
| 1111 | MLX5_SET(modify_esw_vport_context_in, min, |
| 1112 | esw_vport_context.fdb_to_vport_reg_c_id, curr); |
| 1113 | MLX5_SET(modify_esw_vport_context_in, min, |
| 1114 | field_select.fdb_to_vport_reg_c_id, 1); |
| 1115 | |
| 1116 | err = mlx5_eswitch_modify_esw_vport_context(dev: esw->dev, vport: 0, other_vport: false, in: min); |
| 1117 | if (!err) { |
| 1118 | if (enable && (curr & MLX5_FDB_TO_VPORT_REG_C_1)) |
| 1119 | esw->flags |= MLX5_ESWITCH_REG_C1_LOOPBACK_ENABLED; |
| 1120 | else |
| 1121 | esw->flags &= ~MLX5_ESWITCH_REG_C1_LOOPBACK_ENABLED; |
| 1122 | } |
| 1123 | |
| 1124 | return err; |
| 1125 | } |
| 1126 | |
| 1127 | static void peer_miss_rules_setup(struct mlx5_eswitch *esw, |
| 1128 | struct mlx5_core_dev *peer_dev, |
| 1129 | struct mlx5_flow_spec *spec, |
| 1130 | struct mlx5_flow_destination *dest) |
| 1131 | { |
| 1132 | void *misc; |
| 1133 | |
| 1134 | if (mlx5_eswitch_vport_match_metadata_enabled(esw)) { |
| 1135 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, |
| 1136 | misc_parameters_2); |
| 1137 | MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0, |
| 1138 | mlx5_eswitch_get_vport_metadata_mask()); |
| 1139 | |
| 1140 | spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS_2; |
| 1141 | } else { |
| 1142 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, |
| 1143 | misc_parameters); |
| 1144 | |
| 1145 | MLX5_SET(fte_match_set_misc, misc, source_eswitch_owner_vhca_id, |
| 1146 | MLX5_CAP_GEN(peer_dev, vhca_id)); |
| 1147 | |
| 1148 | spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS; |
| 1149 | |
| 1150 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, |
| 1151 | misc_parameters); |
| 1152 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port); |
| 1153 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, |
| 1154 | source_eswitch_owner_vhca_id); |
| 1155 | } |
| 1156 | |
| 1157 | dest->type = MLX5_FLOW_DESTINATION_TYPE_VPORT; |
| 1158 | dest->vport.num = peer_dev->priv.eswitch->manager_vport; |
| 1159 | dest->vport.vhca_id = MLX5_CAP_GEN(peer_dev, vhca_id); |
| 1160 | dest->vport.flags |= MLX5_FLOW_DEST_VPORT_VHCA_ID; |
| 1161 | } |
| 1162 | |
| 1163 | static void esw_set_peer_miss_rule_source_port(struct mlx5_eswitch *esw, |
| 1164 | struct mlx5_eswitch *peer_esw, |
| 1165 | struct mlx5_flow_spec *spec, |
| 1166 | u16 vport) |
| 1167 | { |
| 1168 | void *misc; |
| 1169 | |
| 1170 | if (mlx5_eswitch_vport_match_metadata_enabled(esw)) { |
| 1171 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, |
| 1172 | misc_parameters_2); |
| 1173 | MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0, |
| 1174 | mlx5_eswitch_get_vport_metadata_for_match(peer_esw, |
| 1175 | vport)); |
| 1176 | } else { |
| 1177 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, |
| 1178 | misc_parameters); |
| 1179 | MLX5_SET(fte_match_set_misc, misc, source_port, vport); |
| 1180 | } |
| 1181 | } |
| 1182 | |
| 1183 | static int esw_add_fdb_peer_miss_rules(struct mlx5_eswitch *esw, |
| 1184 | struct mlx5_core_dev *peer_dev) |
| 1185 | { |
| 1186 | struct mlx5_eswitch *peer_esw = peer_dev->priv.eswitch; |
| 1187 | struct mlx5_flow_destination dest = {}; |
| 1188 | struct mlx5_flow_act flow_act = {0}; |
| 1189 | struct mlx5_flow_handle **flows; |
| 1190 | struct mlx5_flow_handle *flow; |
| 1191 | struct mlx5_vport *peer_vport; |
| 1192 | struct mlx5_flow_spec *spec; |
| 1193 | int err, pfindex; |
| 1194 | unsigned long i; |
| 1195 | void *misc; |
| 1196 | |
| 1197 | if (!MLX5_VPORT_MANAGER(peer_dev) && |
| 1198 | !mlx5_core_is_ecpf_esw_manager(dev: peer_dev)) |
| 1199 | return 0; |
| 1200 | |
| 1201 | spec = kvzalloc(sizeof(*spec), GFP_KERNEL); |
| 1202 | if (!spec) |
| 1203 | return -ENOMEM; |
| 1204 | |
| 1205 | peer_miss_rules_setup(esw, peer_dev, spec, dest: &dest); |
| 1206 | |
| 1207 | flows = kvcalloc(peer_esw->total_vports, sizeof(*flows), GFP_KERNEL); |
| 1208 | if (!flows) { |
| 1209 | err = -ENOMEM; |
| 1210 | goto alloc_flows_err; |
| 1211 | } |
| 1212 | |
| 1213 | flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; |
| 1214 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, |
| 1215 | misc_parameters); |
| 1216 | |
| 1217 | if (mlx5_core_is_ecpf_esw_manager(dev: peer_dev) && |
| 1218 | mlx5_esw_host_functions_enabled(dev: peer_dev)) { |
| 1219 | peer_vport = mlx5_eswitch_get_vport(esw: peer_esw, vport_num: MLX5_VPORT_PF); |
| 1220 | esw_set_peer_miss_rule_source_port(esw, peer_esw, spec, |
| 1221 | vport: MLX5_VPORT_PF); |
| 1222 | |
| 1223 | flow = mlx5_add_flow_rules(ft: mlx5_eswitch_get_slow_fdb(esw), |
| 1224 | spec, flow_act: &flow_act, dest: &dest, num_dest: 1); |
| 1225 | if (IS_ERR(ptr: flow)) { |
| 1226 | err = PTR_ERR(ptr: flow); |
| 1227 | goto add_pf_flow_err; |
| 1228 | } |
| 1229 | flows[peer_vport->index] = flow; |
| 1230 | } |
| 1231 | |
| 1232 | if (mlx5_ecpf_vport_exists(dev: peer_dev)) { |
| 1233 | peer_vport = mlx5_eswitch_get_vport(esw: peer_esw, vport_num: MLX5_VPORT_ECPF); |
| 1234 | MLX5_SET(fte_match_set_misc, misc, source_port, MLX5_VPORT_ECPF); |
| 1235 | flow = mlx5_add_flow_rules(ft: mlx5_eswitch_get_slow_fdb(esw), |
| 1236 | spec, flow_act: &flow_act, dest: &dest, num_dest: 1); |
| 1237 | if (IS_ERR(ptr: flow)) { |
| 1238 | err = PTR_ERR(ptr: flow); |
| 1239 | goto add_ecpf_flow_err; |
| 1240 | } |
| 1241 | flows[peer_vport->index] = flow; |
| 1242 | } |
| 1243 | |
| 1244 | if (mlx5_esw_host_functions_enabled(dev: esw->dev)) { |
| 1245 | mlx5_esw_for_each_vf_vport(peer_esw, i, peer_vport, |
| 1246 | mlx5_core_max_vfs(peer_dev)) { |
| 1247 | esw_set_peer_miss_rule_source_port(esw, peer_esw, |
| 1248 | spec, |
| 1249 | vport: peer_vport->vport); |
| 1250 | |
| 1251 | flow = mlx5_add_flow_rules(ft: mlx5_eswitch_get_slow_fdb(esw), |
| 1252 | spec, flow_act: &flow_act, dest: &dest, num_dest: 1); |
| 1253 | if (IS_ERR(ptr: flow)) { |
| 1254 | err = PTR_ERR(ptr: flow); |
| 1255 | goto add_vf_flow_err; |
| 1256 | } |
| 1257 | flows[peer_vport->index] = flow; |
| 1258 | } |
| 1259 | } |
| 1260 | |
| 1261 | if (mlx5_core_ec_sriov_enabled(dev: peer_dev)) { |
| 1262 | mlx5_esw_for_each_ec_vf_vport(peer_esw, i, peer_vport, |
| 1263 | mlx5_core_max_ec_vfs(peer_dev)) { |
| 1264 | esw_set_peer_miss_rule_source_port(esw, peer_esw, |
| 1265 | spec, |
| 1266 | vport: peer_vport->vport); |
| 1267 | flow = mlx5_add_flow_rules(ft: esw->fdb_table.offloads.slow_fdb, |
| 1268 | spec, flow_act: &flow_act, dest: &dest, num_dest: 1); |
| 1269 | if (IS_ERR(ptr: flow)) { |
| 1270 | err = PTR_ERR(ptr: flow); |
| 1271 | goto add_ec_vf_flow_err; |
| 1272 | } |
| 1273 | flows[peer_vport->index] = flow; |
| 1274 | } |
| 1275 | } |
| 1276 | |
| 1277 | pfindex = mlx5_get_dev_index(dev: peer_dev); |
| 1278 | if (pfindex >= MLX5_MAX_PORTS) { |
| 1279 | esw_warn(esw->dev, "Peer dev index(%d) is over the max num defined(%d)\n" , |
| 1280 | pfindex, MLX5_MAX_PORTS); |
| 1281 | err = -EINVAL; |
| 1282 | goto add_ec_vf_flow_err; |
| 1283 | } |
| 1284 | esw->fdb_table.offloads.peer_miss_rules[pfindex] = flows; |
| 1285 | |
| 1286 | kvfree(addr: spec); |
| 1287 | return 0; |
| 1288 | |
| 1289 | add_ec_vf_flow_err: |
| 1290 | mlx5_esw_for_each_ec_vf_vport(peer_esw, i, peer_vport, |
| 1291 | mlx5_core_max_ec_vfs(peer_dev)) { |
| 1292 | if (!flows[peer_vport->index]) |
| 1293 | continue; |
| 1294 | mlx5_del_flow_rules(fr: flows[peer_vport->index]); |
| 1295 | } |
| 1296 | add_vf_flow_err: |
| 1297 | mlx5_esw_for_each_vf_vport(peer_esw, i, peer_vport, |
| 1298 | mlx5_core_max_vfs(peer_dev)) { |
| 1299 | if (!flows[peer_vport->index]) |
| 1300 | continue; |
| 1301 | mlx5_del_flow_rules(fr: flows[peer_vport->index]); |
| 1302 | } |
| 1303 | if (mlx5_ecpf_vport_exists(dev: peer_dev)) { |
| 1304 | peer_vport = mlx5_eswitch_get_vport(esw: peer_esw, vport_num: MLX5_VPORT_ECPF); |
| 1305 | mlx5_del_flow_rules(fr: flows[peer_vport->index]); |
| 1306 | } |
| 1307 | add_ecpf_flow_err: |
| 1308 | |
| 1309 | if (mlx5_core_is_ecpf_esw_manager(dev: peer_dev) && |
| 1310 | mlx5_esw_host_functions_enabled(dev: peer_dev)) { |
| 1311 | peer_vport = mlx5_eswitch_get_vport(esw: peer_esw, vport_num: MLX5_VPORT_PF); |
| 1312 | mlx5_del_flow_rules(fr: flows[peer_vport->index]); |
| 1313 | } |
| 1314 | add_pf_flow_err: |
| 1315 | esw_warn(esw->dev, "FDB: Failed to add peer miss flow rule err %d\n" , err); |
| 1316 | kvfree(addr: flows); |
| 1317 | alloc_flows_err: |
| 1318 | kvfree(addr: spec); |
| 1319 | return err; |
| 1320 | } |
| 1321 | |
| 1322 | static void esw_del_fdb_peer_miss_rules(struct mlx5_eswitch *esw, |
| 1323 | struct mlx5_core_dev *peer_dev) |
| 1324 | { |
| 1325 | struct mlx5_eswitch *peer_esw = peer_dev->priv.eswitch; |
| 1326 | u16 peer_index = mlx5_get_dev_index(dev: peer_dev); |
| 1327 | struct mlx5_flow_handle **flows; |
| 1328 | struct mlx5_vport *peer_vport; |
| 1329 | unsigned long i; |
| 1330 | |
| 1331 | flows = esw->fdb_table.offloads.peer_miss_rules[peer_index]; |
| 1332 | if (!flows) |
| 1333 | return; |
| 1334 | |
| 1335 | if (mlx5_core_ec_sriov_enabled(dev: peer_dev)) { |
| 1336 | mlx5_esw_for_each_ec_vf_vport(peer_esw, i, peer_vport, |
| 1337 | mlx5_core_max_ec_vfs(peer_dev)) |
| 1338 | mlx5_del_flow_rules(fr: flows[peer_vport->index]); |
| 1339 | } |
| 1340 | |
| 1341 | mlx5_esw_for_each_vf_vport(peer_esw, i, peer_vport, |
| 1342 | mlx5_core_max_vfs(peer_dev)) |
| 1343 | mlx5_del_flow_rules(fr: flows[peer_vport->index]); |
| 1344 | |
| 1345 | if (mlx5_ecpf_vport_exists(dev: peer_dev)) { |
| 1346 | peer_vport = mlx5_eswitch_get_vport(esw: peer_esw, vport_num: MLX5_VPORT_ECPF); |
| 1347 | mlx5_del_flow_rules(fr: flows[peer_vport->index]); |
| 1348 | } |
| 1349 | |
| 1350 | if (mlx5_core_is_ecpf_esw_manager(dev: peer_dev)) { |
| 1351 | peer_vport = mlx5_eswitch_get_vport(esw: peer_esw, vport_num: MLX5_VPORT_PF); |
| 1352 | mlx5_del_flow_rules(fr: flows[peer_vport->index]); |
| 1353 | } |
| 1354 | |
| 1355 | kvfree(addr: flows); |
| 1356 | esw->fdb_table.offloads.peer_miss_rules[peer_index] = NULL; |
| 1357 | } |
| 1358 | |
| 1359 | static int esw_add_fdb_miss_rule(struct mlx5_eswitch *esw) |
| 1360 | { |
| 1361 | struct mlx5_flow_act flow_act = {0}; |
| 1362 | struct mlx5_flow_destination dest = {}; |
| 1363 | struct mlx5_flow_handle *flow_rule = NULL; |
| 1364 | struct mlx5_flow_spec *spec; |
| 1365 | void *; |
| 1366 | void *; |
| 1367 | int err = 0; |
| 1368 | u8 *dmac_c; |
| 1369 | u8 *dmac_v; |
| 1370 | |
| 1371 | spec = kvzalloc(sizeof(*spec), GFP_KERNEL); |
| 1372 | if (!spec) { |
| 1373 | err = -ENOMEM; |
| 1374 | goto out; |
| 1375 | } |
| 1376 | |
| 1377 | spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; |
| 1378 | headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, |
| 1379 | outer_headers); |
| 1380 | dmac_c = MLX5_ADDR_OF(fte_match_param, headers_c, |
| 1381 | outer_headers.dmac_47_16); |
| 1382 | dmac_c[0] = 0x01; |
| 1383 | |
| 1384 | dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; |
| 1385 | dest.vport.num = esw->manager_vport; |
| 1386 | flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; |
| 1387 | |
| 1388 | flow_rule = mlx5_add_flow_rules(ft: mlx5_eswitch_get_slow_fdb(esw), |
| 1389 | spec, flow_act: &flow_act, dest: &dest, num_dest: 1); |
| 1390 | if (IS_ERR(ptr: flow_rule)) { |
| 1391 | err = PTR_ERR(ptr: flow_rule); |
| 1392 | esw_warn(esw->dev, "FDB: Failed to add unicast miss flow rule err %d\n" , err); |
| 1393 | goto out; |
| 1394 | } |
| 1395 | |
| 1396 | esw->fdb_table.offloads.miss_rule_uni = flow_rule; |
| 1397 | |
| 1398 | headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, |
| 1399 | outer_headers); |
| 1400 | dmac_v = MLX5_ADDR_OF(fte_match_param, headers_v, |
| 1401 | outer_headers.dmac_47_16); |
| 1402 | dmac_v[0] = 0x01; |
| 1403 | flow_rule = mlx5_add_flow_rules(ft: mlx5_eswitch_get_slow_fdb(esw), |
| 1404 | spec, flow_act: &flow_act, dest: &dest, num_dest: 1); |
| 1405 | if (IS_ERR(ptr: flow_rule)) { |
| 1406 | err = PTR_ERR(ptr: flow_rule); |
| 1407 | esw_warn(esw->dev, "FDB: Failed to add multicast miss flow rule err %d\n" , err); |
| 1408 | mlx5_del_flow_rules(fr: esw->fdb_table.offloads.miss_rule_uni); |
| 1409 | goto out; |
| 1410 | } |
| 1411 | |
| 1412 | esw->fdb_table.offloads.miss_rule_multi = flow_rule; |
| 1413 | |
| 1414 | out: |
| 1415 | kvfree(addr: spec); |
| 1416 | return err; |
| 1417 | } |
| 1418 | |
| 1419 | struct mlx5_flow_handle * |
| 1420 | esw_add_restore_rule(struct mlx5_eswitch *esw, u32 tag) |
| 1421 | { |
| 1422 | struct mlx5_flow_act flow_act = { .flags = FLOW_ACT_NO_APPEND, }; |
| 1423 | struct mlx5_flow_table *ft = esw->offloads.ft_offloads_restore; |
| 1424 | struct mlx5_flow_context *flow_context; |
| 1425 | struct mlx5_flow_handle *flow_rule; |
| 1426 | struct mlx5_flow_destination dest; |
| 1427 | struct mlx5_flow_spec *spec; |
| 1428 | void *misc; |
| 1429 | |
| 1430 | if (!mlx5_eswitch_reg_c1_loopback_supported(esw)) |
| 1431 | return ERR_PTR(error: -EOPNOTSUPP); |
| 1432 | |
| 1433 | spec = kvzalloc(sizeof(*spec), GFP_KERNEL); |
| 1434 | if (!spec) |
| 1435 | return ERR_PTR(error: -ENOMEM); |
| 1436 | |
| 1437 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, |
| 1438 | misc_parameters_2); |
| 1439 | MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0, |
| 1440 | ESW_REG_C0_USER_DATA_METADATA_MASK); |
| 1441 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, |
| 1442 | misc_parameters_2); |
| 1443 | MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0, tag); |
| 1444 | spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS_2; |
| 1445 | flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | |
| 1446 | MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; |
| 1447 | flow_act.modify_hdr = esw->offloads.restore_copy_hdr_id; |
| 1448 | |
| 1449 | flow_context = &spec->flow_context; |
| 1450 | flow_context->flags |= FLOW_CONTEXT_HAS_TAG; |
| 1451 | flow_context->flow_tag = tag; |
| 1452 | dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 1453 | dest.ft = esw->offloads.ft_offloads; |
| 1454 | |
| 1455 | flow_rule = mlx5_add_flow_rules(ft, spec, flow_act: &flow_act, dest: &dest, num_dest: 1); |
| 1456 | kvfree(addr: spec); |
| 1457 | |
| 1458 | if (IS_ERR(ptr: flow_rule)) |
| 1459 | esw_warn(esw->dev, |
| 1460 | "Failed to create restore rule for tag: %d, err(%d)\n" , |
| 1461 | tag, (int)PTR_ERR(flow_rule)); |
| 1462 | |
| 1463 | return flow_rule; |
| 1464 | } |
| 1465 | |
| 1466 | #define MAX_PF_SQ 256 |
| 1467 | #define MAX_SQ_NVPORTS 32 |
| 1468 | |
| 1469 | void |
| 1470 | mlx5_esw_set_flow_group_source_port(struct mlx5_eswitch *esw, |
| 1471 | u32 *flow_group_in, |
| 1472 | int match_params) |
| 1473 | { |
| 1474 | void *match_criteria = MLX5_ADDR_OF(create_flow_group_in, |
| 1475 | flow_group_in, |
| 1476 | match_criteria); |
| 1477 | |
| 1478 | if (mlx5_eswitch_vport_match_metadata_enabled(esw)) { |
| 1479 | MLX5_SET(create_flow_group_in, flow_group_in, |
| 1480 | match_criteria_enable, |
| 1481 | MLX5_MATCH_MISC_PARAMETERS_2 | match_params); |
| 1482 | |
| 1483 | MLX5_SET(fte_match_param, match_criteria, |
| 1484 | misc_parameters_2.metadata_reg_c_0, |
| 1485 | mlx5_eswitch_get_vport_metadata_mask()); |
| 1486 | } else { |
| 1487 | MLX5_SET(create_flow_group_in, flow_group_in, |
| 1488 | match_criteria_enable, |
| 1489 | MLX5_MATCH_MISC_PARAMETERS | match_params); |
| 1490 | |
| 1491 | MLX5_SET_TO_ONES(fte_match_param, match_criteria, |
| 1492 | misc_parameters.source_port); |
| 1493 | } |
| 1494 | } |
| 1495 | |
| 1496 | #if IS_ENABLED(CONFIG_MLX5_CLS_ACT) |
| 1497 | static void esw_vport_tbl_put(struct mlx5_eswitch *esw) |
| 1498 | { |
| 1499 | struct mlx5_vport_tbl_attr attr; |
| 1500 | struct mlx5_vport *vport; |
| 1501 | unsigned long i; |
| 1502 | |
| 1503 | attr.chain = 0; |
| 1504 | attr.prio = 1; |
| 1505 | mlx5_esw_for_each_vport(esw, i, vport) { |
| 1506 | attr.vport = vport->vport; |
| 1507 | attr.vport_ns = &mlx5_esw_vport_tbl_mirror_ns; |
| 1508 | mlx5_esw_vporttbl_put(esw, attr: &attr); |
| 1509 | } |
| 1510 | } |
| 1511 | |
| 1512 | static int esw_vport_tbl_get(struct mlx5_eswitch *esw) |
| 1513 | { |
| 1514 | struct mlx5_vport_tbl_attr attr; |
| 1515 | struct mlx5_flow_table *fdb; |
| 1516 | struct mlx5_vport *vport; |
| 1517 | unsigned long i; |
| 1518 | |
| 1519 | attr.chain = 0; |
| 1520 | attr.prio = 1; |
| 1521 | mlx5_esw_for_each_vport(esw, i, vport) { |
| 1522 | attr.vport = vport->vport; |
| 1523 | attr.vport_ns = &mlx5_esw_vport_tbl_mirror_ns; |
| 1524 | fdb = mlx5_esw_vporttbl_get(esw, attr: &attr); |
| 1525 | if (IS_ERR(ptr: fdb)) |
| 1526 | goto out; |
| 1527 | } |
| 1528 | return 0; |
| 1529 | |
| 1530 | out: |
| 1531 | esw_vport_tbl_put(esw); |
| 1532 | return PTR_ERR(ptr: fdb); |
| 1533 | } |
| 1534 | |
| 1535 | #define (esw) \ |
| 1536 | (MLX5_CAP_ESW_FLOWTABLE((esw)->dev, fdb_modify_header_fwd_to_table)) |
| 1537 | static void esw_init_chains_offload_flags(struct mlx5_eswitch *esw, u32 *flags) |
| 1538 | { |
| 1539 | struct mlx5_core_dev *dev = esw->dev; |
| 1540 | |
| 1541 | if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, ignore_flow_level)) |
| 1542 | *flags |= MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; |
| 1543 | |
| 1544 | if (!MLX5_CAP_ESW_FLOWTABLE(dev, multi_fdb_encap) && |
| 1545 | esw->offloads.encap != DEVLINK_ESWITCH_ENCAP_MODE_NONE) { |
| 1546 | *flags &= ~MLX5_CHAINS_AND_PRIOS_SUPPORTED; |
| 1547 | esw_warn(dev, "Tc chains and priorities offload aren't supported, update firmware if needed\n" ); |
| 1548 | } else if (!mlx5_eswitch_reg_c1_loopback_enabled(esw)) { |
| 1549 | *flags &= ~MLX5_CHAINS_AND_PRIOS_SUPPORTED; |
| 1550 | esw_warn(dev, "Tc chains and priorities offload aren't supported\n" ); |
| 1551 | } else if (!fdb_modify_header_fwd_to_table_supported(esw)) { |
| 1552 | /* Disabled when ttl workaround is needed, e.g |
| 1553 | * when ESWITCH_IPV4_TTL_MODIFY_ENABLE = true in mlxconfig |
| 1554 | */ |
| 1555 | esw_warn(dev, |
| 1556 | "Tc chains and priorities offload aren't supported, check firmware version, or mlxconfig settings\n" ); |
| 1557 | *flags &= ~MLX5_CHAINS_AND_PRIOS_SUPPORTED; |
| 1558 | } else { |
| 1559 | *flags |= MLX5_CHAINS_AND_PRIOS_SUPPORTED; |
| 1560 | esw_info(dev, "Supported tc chains and prios offload\n" ); |
| 1561 | } |
| 1562 | |
| 1563 | if (esw->offloads.encap != DEVLINK_ESWITCH_ENCAP_MODE_NONE) |
| 1564 | *flags |= MLX5_CHAINS_FT_TUNNEL_SUPPORTED; |
| 1565 | } |
| 1566 | |
| 1567 | static int |
| 1568 | esw_chains_create(struct mlx5_eswitch *esw, struct mlx5_flow_table *miss_fdb) |
| 1569 | { |
| 1570 | struct mlx5_core_dev *dev = esw->dev; |
| 1571 | struct mlx5_flow_table *nf_ft, *ft; |
| 1572 | struct mlx5_chains_attr attr = {}; |
| 1573 | struct mlx5_fs_chains *chains; |
| 1574 | int err; |
| 1575 | |
| 1576 | esw_init_chains_offload_flags(esw, flags: &attr.flags); |
| 1577 | attr.ns = MLX5_FLOW_NAMESPACE_FDB; |
| 1578 | attr.max_grp_num = esw->params.large_group_num; |
| 1579 | attr.default_ft = miss_fdb; |
| 1580 | attr.mapping = esw->offloads.reg_c0_obj_pool; |
| 1581 | attr.fs_base_prio = FDB_BYPASS_PATH; |
| 1582 | |
| 1583 | chains = mlx5_chains_create(dev, attr: &attr); |
| 1584 | if (IS_ERR(ptr: chains)) { |
| 1585 | err = PTR_ERR(ptr: chains); |
| 1586 | esw_warn(dev, "Failed to create fdb chains err(%d)\n" , err); |
| 1587 | return err; |
| 1588 | } |
| 1589 | mlx5_chains_print_info(chains); |
| 1590 | |
| 1591 | esw->fdb_table.offloads.esw_chains_priv = chains; |
| 1592 | |
| 1593 | /* Create tc_end_ft which is the always created ft chain */ |
| 1594 | nf_ft = mlx5_chains_get_table(chains, chain: mlx5_chains_get_nf_ft_chain(chains), |
| 1595 | prio: 1, level: 0); |
| 1596 | if (IS_ERR(ptr: nf_ft)) { |
| 1597 | err = PTR_ERR(ptr: nf_ft); |
| 1598 | goto nf_ft_err; |
| 1599 | } |
| 1600 | |
| 1601 | /* Always open the root for fast path */ |
| 1602 | ft = mlx5_chains_get_table(chains, chain: 0, prio: 1, level: 0); |
| 1603 | if (IS_ERR(ptr: ft)) { |
| 1604 | err = PTR_ERR(ptr: ft); |
| 1605 | goto level_0_err; |
| 1606 | } |
| 1607 | |
| 1608 | /* Open level 1 for split fdb rules now if prios isn't supported */ |
| 1609 | if (!mlx5_chains_prios_supported(chains)) { |
| 1610 | err = esw_vport_tbl_get(esw); |
| 1611 | if (err) |
| 1612 | goto level_1_err; |
| 1613 | } |
| 1614 | |
| 1615 | mlx5_chains_set_end_ft(chains, ft: nf_ft); |
| 1616 | |
| 1617 | return 0; |
| 1618 | |
| 1619 | level_1_err: |
| 1620 | mlx5_chains_put_table(chains, chain: 0, prio: 1, level: 0); |
| 1621 | level_0_err: |
| 1622 | mlx5_chains_put_table(chains, chain: mlx5_chains_get_nf_ft_chain(chains), prio: 1, level: 0); |
| 1623 | nf_ft_err: |
| 1624 | mlx5_chains_destroy(chains); |
| 1625 | esw->fdb_table.offloads.esw_chains_priv = NULL; |
| 1626 | |
| 1627 | return err; |
| 1628 | } |
| 1629 | |
| 1630 | static void |
| 1631 | esw_chains_destroy(struct mlx5_eswitch *esw, struct mlx5_fs_chains *chains) |
| 1632 | { |
| 1633 | if (!mlx5_chains_prios_supported(chains)) |
| 1634 | esw_vport_tbl_put(esw); |
| 1635 | mlx5_chains_put_table(chains, chain: 0, prio: 1, level: 0); |
| 1636 | mlx5_chains_put_table(chains, chain: mlx5_chains_get_nf_ft_chain(chains), prio: 1, level: 0); |
| 1637 | mlx5_chains_destroy(chains); |
| 1638 | } |
| 1639 | |
| 1640 | #else /* CONFIG_MLX5_CLS_ACT */ |
| 1641 | |
| 1642 | static int |
| 1643 | esw_chains_create(struct mlx5_eswitch *esw, struct mlx5_flow_table *miss_fdb) |
| 1644 | { return 0; } |
| 1645 | |
| 1646 | static void |
| 1647 | esw_chains_destroy(struct mlx5_eswitch *esw, struct mlx5_fs_chains *chains) |
| 1648 | {} |
| 1649 | |
| 1650 | #endif |
| 1651 | |
| 1652 | static int |
| 1653 | esw_create_send_to_vport_group(struct mlx5_eswitch *esw, |
| 1654 | struct mlx5_flow_table *fdb, |
| 1655 | u32 *flow_group_in, |
| 1656 | int *ix) |
| 1657 | { |
| 1658 | int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); |
| 1659 | struct mlx5_flow_group *g; |
| 1660 | void *match_criteria; |
| 1661 | int count, err = 0; |
| 1662 | |
| 1663 | memset(flow_group_in, 0, inlen); |
| 1664 | |
| 1665 | mlx5_esw_set_flow_group_source_port(esw, flow_group_in, match_params: MLX5_MATCH_MISC_PARAMETERS); |
| 1666 | |
| 1667 | match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria); |
| 1668 | MLX5_SET_TO_ONES(fte_match_param, match_criteria, misc_parameters.source_sqn); |
| 1669 | |
| 1670 | if (!mlx5_eswitch_vport_match_metadata_enabled(esw) && |
| 1671 | MLX5_CAP_ESW(esw->dev, merged_eswitch)) { |
| 1672 | MLX5_SET_TO_ONES(fte_match_param, match_criteria, |
| 1673 | misc_parameters.source_eswitch_owner_vhca_id); |
| 1674 | MLX5_SET(create_flow_group_in, flow_group_in, |
| 1675 | source_eswitch_owner_vhca_id_valid, 1); |
| 1676 | } |
| 1677 | |
| 1678 | /* See comment at table_size calculation */ |
| 1679 | count = MLX5_MAX_PORTS * (esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ); |
| 1680 | MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0); |
| 1681 | MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, *ix + count - 1); |
| 1682 | *ix += count; |
| 1683 | |
| 1684 | g = mlx5_create_flow_group(ft: fdb, in: flow_group_in); |
| 1685 | if (IS_ERR(ptr: g)) { |
| 1686 | err = PTR_ERR(ptr: g); |
| 1687 | esw_warn(esw->dev, "Failed to create send-to-vport flow group err(%d)\n" , err); |
| 1688 | goto out; |
| 1689 | } |
| 1690 | esw->fdb_table.offloads.send_to_vport_grp = g; |
| 1691 | |
| 1692 | out: |
| 1693 | return err; |
| 1694 | } |
| 1695 | |
| 1696 | static int |
| 1697 | esw_create_meta_send_to_vport_group(struct mlx5_eswitch *esw, |
| 1698 | struct mlx5_flow_table *fdb, |
| 1699 | u32 *flow_group_in, |
| 1700 | int *ix) |
| 1701 | { |
| 1702 | int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); |
| 1703 | struct mlx5_flow_group *g; |
| 1704 | void *match_criteria; |
| 1705 | int err = 0; |
| 1706 | |
| 1707 | if (!esw_src_port_rewrite_supported(esw)) |
| 1708 | return 0; |
| 1709 | |
| 1710 | memset(flow_group_in, 0, inlen); |
| 1711 | |
| 1712 | MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, |
| 1713 | MLX5_MATCH_MISC_PARAMETERS_2); |
| 1714 | |
| 1715 | match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria); |
| 1716 | |
| 1717 | MLX5_SET(fte_match_param, match_criteria, |
| 1718 | misc_parameters_2.metadata_reg_c_0, |
| 1719 | mlx5_eswitch_get_vport_metadata_mask()); |
| 1720 | MLX5_SET(fte_match_param, match_criteria, |
| 1721 | misc_parameters_2.metadata_reg_c_1, ESW_TUN_MASK); |
| 1722 | |
| 1723 | MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, *ix); |
| 1724 | MLX5_SET(create_flow_group_in, flow_group_in, |
| 1725 | end_flow_index, *ix + esw->total_vports - 1); |
| 1726 | *ix += esw->total_vports; |
| 1727 | |
| 1728 | g = mlx5_create_flow_group(ft: fdb, in: flow_group_in); |
| 1729 | if (IS_ERR(ptr: g)) { |
| 1730 | err = PTR_ERR(ptr: g); |
| 1731 | esw_warn(esw->dev, |
| 1732 | "Failed to create send-to-vport meta flow group err(%d)\n" , err); |
| 1733 | goto send_vport_meta_err; |
| 1734 | } |
| 1735 | esw->fdb_table.offloads.send_to_vport_meta_grp = g; |
| 1736 | |
| 1737 | return 0; |
| 1738 | |
| 1739 | send_vport_meta_err: |
| 1740 | return err; |
| 1741 | } |
| 1742 | |
| 1743 | static int |
| 1744 | esw_create_peer_esw_miss_group(struct mlx5_eswitch *esw, |
| 1745 | struct mlx5_flow_table *fdb, |
| 1746 | u32 *flow_group_in, |
| 1747 | int *ix) |
| 1748 | { |
| 1749 | int max_peer_ports = (esw->total_vports - 1) * (MLX5_MAX_PORTS - 1); |
| 1750 | int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); |
| 1751 | struct mlx5_flow_group *g; |
| 1752 | void *match_criteria; |
| 1753 | int err = 0; |
| 1754 | |
| 1755 | if (!MLX5_CAP_ESW(esw->dev, merged_eswitch)) |
| 1756 | return 0; |
| 1757 | |
| 1758 | memset(flow_group_in, 0, inlen); |
| 1759 | |
| 1760 | mlx5_esw_set_flow_group_source_port(esw, flow_group_in, match_params: 0); |
| 1761 | |
| 1762 | if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) { |
| 1763 | match_criteria = MLX5_ADDR_OF(create_flow_group_in, |
| 1764 | flow_group_in, |
| 1765 | match_criteria); |
| 1766 | |
| 1767 | MLX5_SET_TO_ONES(fte_match_param, match_criteria, |
| 1768 | misc_parameters.source_eswitch_owner_vhca_id); |
| 1769 | |
| 1770 | MLX5_SET(create_flow_group_in, flow_group_in, |
| 1771 | source_eswitch_owner_vhca_id_valid, 1); |
| 1772 | } |
| 1773 | |
| 1774 | MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, *ix); |
| 1775 | MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, |
| 1776 | *ix + max_peer_ports); |
| 1777 | *ix += max_peer_ports + 1; |
| 1778 | |
| 1779 | g = mlx5_create_flow_group(ft: fdb, in: flow_group_in); |
| 1780 | if (IS_ERR(ptr: g)) { |
| 1781 | err = PTR_ERR(ptr: g); |
| 1782 | esw_warn(esw->dev, "Failed to create peer miss flow group err(%d)\n" , err); |
| 1783 | goto out; |
| 1784 | } |
| 1785 | esw->fdb_table.offloads.peer_miss_grp = g; |
| 1786 | |
| 1787 | out: |
| 1788 | return err; |
| 1789 | } |
| 1790 | |
| 1791 | static int |
| 1792 | esw_create_miss_group(struct mlx5_eswitch *esw, |
| 1793 | struct mlx5_flow_table *fdb, |
| 1794 | u32 *flow_group_in, |
| 1795 | int *ix) |
| 1796 | { |
| 1797 | int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); |
| 1798 | struct mlx5_flow_group *g; |
| 1799 | void *match_criteria; |
| 1800 | int err = 0; |
| 1801 | u8 *dmac; |
| 1802 | |
| 1803 | memset(flow_group_in, 0, inlen); |
| 1804 | |
| 1805 | MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, |
| 1806 | MLX5_MATCH_OUTER_HEADERS); |
| 1807 | match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, |
| 1808 | match_criteria); |
| 1809 | dmac = MLX5_ADDR_OF(fte_match_param, match_criteria, |
| 1810 | outer_headers.dmac_47_16); |
| 1811 | dmac[0] = 0x01; |
| 1812 | |
| 1813 | MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, *ix); |
| 1814 | MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, |
| 1815 | *ix + MLX5_ESW_MISS_FLOWS); |
| 1816 | |
| 1817 | g = mlx5_create_flow_group(ft: fdb, in: flow_group_in); |
| 1818 | if (IS_ERR(ptr: g)) { |
| 1819 | err = PTR_ERR(ptr: g); |
| 1820 | esw_warn(esw->dev, "Failed to create miss flow group err(%d)\n" , err); |
| 1821 | goto miss_err; |
| 1822 | } |
| 1823 | esw->fdb_table.offloads.miss_grp = g; |
| 1824 | |
| 1825 | err = esw_add_fdb_miss_rule(esw); |
| 1826 | if (err) |
| 1827 | goto miss_rule_err; |
| 1828 | |
| 1829 | return 0; |
| 1830 | |
| 1831 | miss_rule_err: |
| 1832 | mlx5_destroy_flow_group(fg: esw->fdb_table.offloads.miss_grp); |
| 1833 | miss_err: |
| 1834 | return err; |
| 1835 | } |
| 1836 | |
| 1837 | static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw) |
| 1838 | { |
| 1839 | int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); |
| 1840 | struct mlx5_flow_table_attr ft_attr = {}; |
| 1841 | struct mlx5_core_dev *dev = esw->dev; |
| 1842 | struct mlx5_flow_namespace *root_ns; |
| 1843 | struct mlx5_flow_table *fdb = NULL; |
| 1844 | int table_size, ix = 0, err = 0; |
| 1845 | u32 flags = 0, *flow_group_in; |
| 1846 | |
| 1847 | esw_debug(esw->dev, "Create offloads FDB Tables\n" ); |
| 1848 | |
| 1849 | flow_group_in = kvzalloc(inlen, GFP_KERNEL); |
| 1850 | if (!flow_group_in) |
| 1851 | return -ENOMEM; |
| 1852 | |
| 1853 | root_ns = mlx5_get_flow_namespace(dev, type: MLX5_FLOW_NAMESPACE_FDB); |
| 1854 | if (!root_ns) { |
| 1855 | esw_warn(dev, "Failed to get FDB flow namespace\n" ); |
| 1856 | err = -EOPNOTSUPP; |
| 1857 | goto ns_err; |
| 1858 | } |
| 1859 | esw->fdb_table.offloads.ns = root_ns; |
| 1860 | err = mlx5_flow_namespace_set_mode(ns: root_ns, |
| 1861 | mode: esw->dev->priv.steering->mode); |
| 1862 | if (err) { |
| 1863 | esw_warn(dev, "Failed to set FDB namespace steering mode\n" ); |
| 1864 | goto ns_err; |
| 1865 | } |
| 1866 | |
| 1867 | /* To be strictly correct: |
| 1868 | * MLX5_MAX_PORTS * (esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ) |
| 1869 | * should be: |
| 1870 | * esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ + |
| 1871 | * peer_esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ |
| 1872 | * but as the peer device might not be in switchdev mode it's not |
| 1873 | * possible. We use the fact that by default FW sets max vfs and max sfs |
| 1874 | * to the same value on both devices. If it needs to be changed in the future note |
| 1875 | * the peer miss group should also be created based on the number of |
| 1876 | * total vports of the peer (currently is also uses esw->total_vports). |
| 1877 | */ |
| 1878 | table_size = MLX5_MAX_PORTS * (esw->total_vports * MAX_SQ_NVPORTS + MAX_PF_SQ) + |
| 1879 | esw->total_vports * MLX5_MAX_PORTS + MLX5_ESW_MISS_FLOWS; |
| 1880 | |
| 1881 | /* create the slow path fdb with encap set, so further table instances |
| 1882 | * can be created at run time while VFs are probed if the FW allows that. |
| 1883 | */ |
| 1884 | if (esw->offloads.encap != DEVLINK_ESWITCH_ENCAP_MODE_NONE) |
| 1885 | flags |= (MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT | |
| 1886 | MLX5_FLOW_TABLE_TUNNEL_EN_DECAP); |
| 1887 | |
| 1888 | ft_attr.flags = flags; |
| 1889 | ft_attr.max_fte = table_size; |
| 1890 | ft_attr.prio = FDB_SLOW_PATH; |
| 1891 | |
| 1892 | fdb = mlx5_create_flow_table(ns: root_ns, ft_attr: &ft_attr); |
| 1893 | if (IS_ERR(ptr: fdb)) { |
| 1894 | err = PTR_ERR(ptr: fdb); |
| 1895 | esw_warn(dev, "Failed to create slow path FDB Table err %d\n" , err); |
| 1896 | goto slow_fdb_err; |
| 1897 | } |
| 1898 | esw->fdb_table.offloads.slow_fdb = fdb; |
| 1899 | |
| 1900 | /* Create empty TC-miss managed table. This allows plugging in following |
| 1901 | * priorities without directly exposing their level 0 table to |
| 1902 | * eswitch_offloads and passing it as miss_fdb to following call to |
| 1903 | * esw_chains_create(). |
| 1904 | */ |
| 1905 | memset(&ft_attr, 0, sizeof(ft_attr)); |
| 1906 | ft_attr.prio = FDB_TC_MISS; |
| 1907 | esw->fdb_table.offloads.tc_miss_table = mlx5_create_flow_table(ns: root_ns, ft_attr: &ft_attr); |
| 1908 | if (IS_ERR(ptr: esw->fdb_table.offloads.tc_miss_table)) { |
| 1909 | err = PTR_ERR(ptr: esw->fdb_table.offloads.tc_miss_table); |
| 1910 | esw_warn(dev, "Failed to create TC miss FDB Table err %d\n" , err); |
| 1911 | goto tc_miss_table_err; |
| 1912 | } |
| 1913 | |
| 1914 | err = esw_chains_create(esw, miss_fdb: esw->fdb_table.offloads.tc_miss_table); |
| 1915 | if (err) { |
| 1916 | esw_warn(dev, "Failed to open fdb chains err(%d)\n" , err); |
| 1917 | goto fdb_chains_err; |
| 1918 | } |
| 1919 | |
| 1920 | err = esw_create_send_to_vport_group(esw, fdb, flow_group_in, ix: &ix); |
| 1921 | if (err) |
| 1922 | goto send_vport_err; |
| 1923 | |
| 1924 | err = esw_create_meta_send_to_vport_group(esw, fdb, flow_group_in, ix: &ix); |
| 1925 | if (err) |
| 1926 | goto send_vport_meta_err; |
| 1927 | |
| 1928 | err = esw_create_peer_esw_miss_group(esw, fdb, flow_group_in, ix: &ix); |
| 1929 | if (err) |
| 1930 | goto peer_miss_err; |
| 1931 | |
| 1932 | err = esw_create_miss_group(esw, fdb, flow_group_in, ix: &ix); |
| 1933 | if (err) |
| 1934 | goto miss_err; |
| 1935 | |
| 1936 | kvfree(addr: flow_group_in); |
| 1937 | return 0; |
| 1938 | |
| 1939 | miss_err: |
| 1940 | if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) |
| 1941 | mlx5_destroy_flow_group(fg: esw->fdb_table.offloads.peer_miss_grp); |
| 1942 | peer_miss_err: |
| 1943 | if (esw->fdb_table.offloads.send_to_vport_meta_grp) |
| 1944 | mlx5_destroy_flow_group(fg: esw->fdb_table.offloads.send_to_vport_meta_grp); |
| 1945 | send_vport_meta_err: |
| 1946 | mlx5_destroy_flow_group(fg: esw->fdb_table.offloads.send_to_vport_grp); |
| 1947 | send_vport_err: |
| 1948 | esw_chains_destroy(esw, esw_chains(esw)); |
| 1949 | fdb_chains_err: |
| 1950 | mlx5_destroy_flow_table(ft: esw->fdb_table.offloads.tc_miss_table); |
| 1951 | tc_miss_table_err: |
| 1952 | mlx5_destroy_flow_table(ft: mlx5_eswitch_get_slow_fdb(esw)); |
| 1953 | slow_fdb_err: |
| 1954 | /* Holds true only as long as DMFS is the default */ |
| 1955 | mlx5_flow_namespace_set_mode(ns: root_ns, mode: MLX5_FLOW_STEERING_MODE_DMFS); |
| 1956 | ns_err: |
| 1957 | kvfree(addr: flow_group_in); |
| 1958 | return err; |
| 1959 | } |
| 1960 | |
| 1961 | static void esw_destroy_offloads_fdb_tables(struct mlx5_eswitch *esw) |
| 1962 | { |
| 1963 | if (!mlx5_eswitch_get_slow_fdb(esw)) |
| 1964 | return; |
| 1965 | |
| 1966 | esw_debug(esw->dev, "Destroy offloads FDB Tables\n" ); |
| 1967 | mlx5_del_flow_rules(fr: esw->fdb_table.offloads.miss_rule_multi); |
| 1968 | mlx5_del_flow_rules(fr: esw->fdb_table.offloads.miss_rule_uni); |
| 1969 | mlx5_destroy_flow_group(fg: esw->fdb_table.offloads.send_to_vport_grp); |
| 1970 | if (esw->fdb_table.offloads.send_to_vport_meta_grp) |
| 1971 | mlx5_destroy_flow_group(fg: esw->fdb_table.offloads.send_to_vport_meta_grp); |
| 1972 | if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) |
| 1973 | mlx5_destroy_flow_group(fg: esw->fdb_table.offloads.peer_miss_grp); |
| 1974 | mlx5_destroy_flow_group(fg: esw->fdb_table.offloads.miss_grp); |
| 1975 | |
| 1976 | esw_chains_destroy(esw, esw_chains(esw)); |
| 1977 | |
| 1978 | mlx5_destroy_flow_table(ft: esw->fdb_table.offloads.tc_miss_table); |
| 1979 | mlx5_destroy_flow_table(ft: mlx5_eswitch_get_slow_fdb(esw)); |
| 1980 | /* Holds true only as long as DMFS is the default */ |
| 1981 | mlx5_flow_namespace_set_mode(ns: esw->fdb_table.offloads.ns, |
| 1982 | mode: MLX5_FLOW_STEERING_MODE_DMFS); |
| 1983 | } |
| 1984 | |
| 1985 | static int esw_get_nr_ft_offloads_steering_src_ports(struct mlx5_eswitch *esw) |
| 1986 | { |
| 1987 | int nvports; |
| 1988 | |
| 1989 | nvports = esw->total_vports + MLX5_ESW_MISS_FLOWS; |
| 1990 | if (mlx5e_tc_int_port_supported(esw)) |
| 1991 | nvports += MLX5E_TC_MAX_INT_PORT_NUM; |
| 1992 | |
| 1993 | return nvports; |
| 1994 | } |
| 1995 | |
| 1996 | static int esw_create_offloads_table(struct mlx5_eswitch *esw) |
| 1997 | { |
| 1998 | struct mlx5_flow_table_attr ft_attr = {}; |
| 1999 | struct mlx5_core_dev *dev = esw->dev; |
| 2000 | struct mlx5_flow_table *ft_offloads; |
| 2001 | struct mlx5_flow_namespace *ns; |
| 2002 | int err = 0; |
| 2003 | |
| 2004 | ns = mlx5_get_flow_namespace(dev, type: MLX5_FLOW_NAMESPACE_OFFLOADS); |
| 2005 | if (!ns) { |
| 2006 | esw_warn(esw->dev, "Failed to get offloads flow namespace\n" ); |
| 2007 | return -EOPNOTSUPP; |
| 2008 | } |
| 2009 | |
| 2010 | ft_attr.max_fte = esw_get_nr_ft_offloads_steering_src_ports(esw) + |
| 2011 | MLX5_ESW_FT_OFFLOADS_DROP_RULE; |
| 2012 | ft_attr.prio = 1; |
| 2013 | |
| 2014 | ft_offloads = mlx5_create_flow_table(ns, ft_attr: &ft_attr); |
| 2015 | if (IS_ERR(ptr: ft_offloads)) { |
| 2016 | err = PTR_ERR(ptr: ft_offloads); |
| 2017 | esw_warn(esw->dev, "Failed to create offloads table, err %d\n" , err); |
| 2018 | return err; |
| 2019 | } |
| 2020 | |
| 2021 | esw->offloads.ft_offloads = ft_offloads; |
| 2022 | return 0; |
| 2023 | } |
| 2024 | |
| 2025 | static void esw_destroy_offloads_table(struct mlx5_eswitch *esw) |
| 2026 | { |
| 2027 | struct mlx5_esw_offload *offloads = &esw->offloads; |
| 2028 | |
| 2029 | mlx5_destroy_flow_table(ft: offloads->ft_offloads); |
| 2030 | } |
| 2031 | |
| 2032 | static int esw_create_vport_rx_group(struct mlx5_eswitch *esw) |
| 2033 | { |
| 2034 | int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); |
| 2035 | struct mlx5_flow_group *g; |
| 2036 | u32 *flow_group_in; |
| 2037 | int nvports; |
| 2038 | int err = 0; |
| 2039 | |
| 2040 | nvports = esw_get_nr_ft_offloads_steering_src_ports(esw); |
| 2041 | flow_group_in = kvzalloc(inlen, GFP_KERNEL); |
| 2042 | if (!flow_group_in) |
| 2043 | return -ENOMEM; |
| 2044 | |
| 2045 | mlx5_esw_set_flow_group_source_port(esw, flow_group_in, match_params: 0); |
| 2046 | |
| 2047 | MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0); |
| 2048 | MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, nvports - 1); |
| 2049 | |
| 2050 | g = mlx5_create_flow_group(ft: esw->offloads.ft_offloads, in: flow_group_in); |
| 2051 | |
| 2052 | if (IS_ERR(ptr: g)) { |
| 2053 | err = PTR_ERR(ptr: g); |
| 2054 | mlx5_core_warn(esw->dev, "Failed to create vport rx group err %d\n" , err); |
| 2055 | goto out; |
| 2056 | } |
| 2057 | |
| 2058 | esw->offloads.vport_rx_group = g; |
| 2059 | out: |
| 2060 | kvfree(addr: flow_group_in); |
| 2061 | return err; |
| 2062 | } |
| 2063 | |
| 2064 | static void esw_destroy_vport_rx_group(struct mlx5_eswitch *esw) |
| 2065 | { |
| 2066 | mlx5_destroy_flow_group(fg: esw->offloads.vport_rx_group); |
| 2067 | } |
| 2068 | |
| 2069 | static int esw_create_vport_rx_drop_rule_index(struct mlx5_eswitch *esw) |
| 2070 | { |
| 2071 | /* ft_offloads table is enlarged by MLX5_ESW_FT_OFFLOADS_DROP_RULE (1) |
| 2072 | * for the drop rule, which is placed at the end of the table. |
| 2073 | * So return the total of vport and int_port as rule index. |
| 2074 | */ |
| 2075 | return esw_get_nr_ft_offloads_steering_src_ports(esw); |
| 2076 | } |
| 2077 | |
| 2078 | static int esw_create_vport_rx_drop_group(struct mlx5_eswitch *esw) |
| 2079 | { |
| 2080 | int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); |
| 2081 | struct mlx5_flow_group *g; |
| 2082 | u32 *flow_group_in; |
| 2083 | int flow_index; |
| 2084 | int err = 0; |
| 2085 | |
| 2086 | flow_index = esw_create_vport_rx_drop_rule_index(esw); |
| 2087 | |
| 2088 | flow_group_in = kvzalloc(inlen, GFP_KERNEL); |
| 2089 | if (!flow_group_in) |
| 2090 | return -ENOMEM; |
| 2091 | |
| 2092 | MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index); |
| 2093 | MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index); |
| 2094 | |
| 2095 | g = mlx5_create_flow_group(ft: esw->offloads.ft_offloads, in: flow_group_in); |
| 2096 | |
| 2097 | if (IS_ERR(ptr: g)) { |
| 2098 | err = PTR_ERR(ptr: g); |
| 2099 | mlx5_core_warn(esw->dev, "Failed to create vport rx drop group err %d\n" , err); |
| 2100 | goto out; |
| 2101 | } |
| 2102 | |
| 2103 | esw->offloads.vport_rx_drop_group = g; |
| 2104 | out: |
| 2105 | kvfree(addr: flow_group_in); |
| 2106 | return err; |
| 2107 | } |
| 2108 | |
| 2109 | static void esw_destroy_vport_rx_drop_group(struct mlx5_eswitch *esw) |
| 2110 | { |
| 2111 | if (esw->offloads.vport_rx_drop_group) |
| 2112 | mlx5_destroy_flow_group(fg: esw->offloads.vport_rx_drop_group); |
| 2113 | } |
| 2114 | |
| 2115 | void |
| 2116 | mlx5_esw_set_spec_source_port(struct mlx5_eswitch *esw, |
| 2117 | u16 vport, |
| 2118 | struct mlx5_flow_spec *spec) |
| 2119 | { |
| 2120 | void *misc; |
| 2121 | |
| 2122 | if (mlx5_eswitch_vport_match_metadata_enabled(esw)) { |
| 2123 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters_2); |
| 2124 | MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0, |
| 2125 | mlx5_eswitch_get_vport_metadata_for_match(esw, vport)); |
| 2126 | |
| 2127 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters_2); |
| 2128 | MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0, |
| 2129 | mlx5_eswitch_get_vport_metadata_mask()); |
| 2130 | |
| 2131 | spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS_2; |
| 2132 | } else { |
| 2133 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, misc_parameters); |
| 2134 | MLX5_SET(fte_match_set_misc, misc, source_port, vport); |
| 2135 | |
| 2136 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters); |
| 2137 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port); |
| 2138 | |
| 2139 | spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS; |
| 2140 | } |
| 2141 | } |
| 2142 | |
| 2143 | struct mlx5_flow_handle * |
| 2144 | mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, u16 vport, |
| 2145 | struct mlx5_flow_destination *dest) |
| 2146 | { |
| 2147 | struct mlx5_flow_act flow_act = {0}; |
| 2148 | struct mlx5_flow_handle *flow_rule; |
| 2149 | struct mlx5_flow_spec *spec; |
| 2150 | |
| 2151 | spec = kvzalloc(sizeof(*spec), GFP_KERNEL); |
| 2152 | if (!spec) { |
| 2153 | flow_rule = ERR_PTR(error: -ENOMEM); |
| 2154 | goto out; |
| 2155 | } |
| 2156 | |
| 2157 | mlx5_esw_set_spec_source_port(esw, vport, spec); |
| 2158 | |
| 2159 | flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; |
| 2160 | flow_rule = mlx5_add_flow_rules(ft: esw->offloads.ft_offloads, spec, |
| 2161 | flow_act: &flow_act, dest, num_dest: 1); |
| 2162 | if (IS_ERR(ptr: flow_rule)) { |
| 2163 | esw_warn(esw->dev, |
| 2164 | "fs offloads: Failed to add vport rx rule err %pe\n" , |
| 2165 | flow_rule); |
| 2166 | goto out; |
| 2167 | } |
| 2168 | |
| 2169 | out: |
| 2170 | kvfree(addr: spec); |
| 2171 | return flow_rule; |
| 2172 | } |
| 2173 | |
| 2174 | static int esw_create_vport_rx_drop_rule(struct mlx5_eswitch *esw) |
| 2175 | { |
| 2176 | struct mlx5_flow_act flow_act = {}; |
| 2177 | struct mlx5_flow_handle *flow_rule; |
| 2178 | |
| 2179 | flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP; |
| 2180 | flow_rule = mlx5_add_flow_rules(ft: esw->offloads.ft_offloads, NULL, |
| 2181 | flow_act: &flow_act, NULL, num_dest: 0); |
| 2182 | if (IS_ERR(ptr: flow_rule)) { |
| 2183 | esw_warn(esw->dev, |
| 2184 | "fs offloads: Failed to add vport rx drop rule err %pe\n" , |
| 2185 | flow_rule); |
| 2186 | return PTR_ERR(ptr: flow_rule); |
| 2187 | } |
| 2188 | |
| 2189 | esw->offloads.vport_rx_drop_rule = flow_rule; |
| 2190 | |
| 2191 | return 0; |
| 2192 | } |
| 2193 | |
| 2194 | static void esw_destroy_vport_rx_drop_rule(struct mlx5_eswitch *esw) |
| 2195 | { |
| 2196 | if (esw->offloads.vport_rx_drop_rule) |
| 2197 | mlx5_del_flow_rules(fr: esw->offloads.vport_rx_drop_rule); |
| 2198 | } |
| 2199 | |
| 2200 | static int mlx5_eswitch_inline_mode_get(struct mlx5_eswitch *esw, u8 *mode) |
| 2201 | { |
| 2202 | u8 prev_mlx5_mode, mlx5_mode = MLX5_INLINE_MODE_L2; |
| 2203 | struct mlx5_core_dev *dev = esw->dev; |
| 2204 | struct mlx5_vport *vport; |
| 2205 | unsigned long i; |
| 2206 | |
| 2207 | if (!MLX5_CAP_GEN(dev, vport_group_manager)) |
| 2208 | return -EOPNOTSUPP; |
| 2209 | |
| 2210 | if (!mlx5_esw_is_fdb_created(esw)) |
| 2211 | return -EOPNOTSUPP; |
| 2212 | |
| 2213 | switch (MLX5_CAP_ETH(dev, wqe_inline_mode)) { |
| 2214 | case MLX5_CAP_INLINE_MODE_NOT_REQUIRED: |
| 2215 | mlx5_mode = MLX5_INLINE_MODE_NONE; |
| 2216 | goto out; |
| 2217 | case MLX5_CAP_INLINE_MODE_L2: |
| 2218 | mlx5_mode = MLX5_INLINE_MODE_L2; |
| 2219 | goto out; |
| 2220 | case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT: |
| 2221 | goto query_vports; |
| 2222 | } |
| 2223 | |
| 2224 | query_vports: |
| 2225 | mlx5_query_nic_vport_min_inline(mdev: dev, vport: esw->first_host_vport, min_inline: &prev_mlx5_mode); |
| 2226 | mlx5_esw_for_each_host_func_vport(esw, i, vport, esw->esw_funcs.num_vfs) { |
| 2227 | mlx5_query_nic_vport_min_inline(mdev: dev, vport: vport->vport, min_inline: &mlx5_mode); |
| 2228 | if (prev_mlx5_mode != mlx5_mode) |
| 2229 | return -EINVAL; |
| 2230 | prev_mlx5_mode = mlx5_mode; |
| 2231 | } |
| 2232 | |
| 2233 | out: |
| 2234 | *mode = mlx5_mode; |
| 2235 | return 0; |
| 2236 | } |
| 2237 | |
| 2238 | static void esw_destroy_restore_table(struct mlx5_eswitch *esw) |
| 2239 | { |
| 2240 | struct mlx5_esw_offload *offloads = &esw->offloads; |
| 2241 | |
| 2242 | if (!mlx5_eswitch_reg_c1_loopback_supported(esw)) |
| 2243 | return; |
| 2244 | |
| 2245 | mlx5_modify_header_dealloc(dev: esw->dev, modify_hdr: offloads->restore_copy_hdr_id); |
| 2246 | mlx5_destroy_flow_group(fg: offloads->restore_group); |
| 2247 | mlx5_destroy_flow_table(ft: offloads->ft_offloads_restore); |
| 2248 | } |
| 2249 | |
| 2250 | static int esw_create_restore_table(struct mlx5_eswitch *esw) |
| 2251 | { |
| 2252 | u8 modact[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {}; |
| 2253 | int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); |
| 2254 | struct mlx5_flow_table_attr ft_attr = {}; |
| 2255 | struct mlx5_core_dev *dev = esw->dev; |
| 2256 | struct mlx5_flow_namespace *ns; |
| 2257 | struct mlx5_modify_hdr *mod_hdr; |
| 2258 | void *match_criteria, *misc; |
| 2259 | struct mlx5_flow_table *ft; |
| 2260 | struct mlx5_flow_group *g; |
| 2261 | u32 *flow_group_in; |
| 2262 | int err = 0; |
| 2263 | |
| 2264 | if (!mlx5_eswitch_reg_c1_loopback_supported(esw)) |
| 2265 | return 0; |
| 2266 | |
| 2267 | ns = mlx5_get_flow_namespace(dev, type: MLX5_FLOW_NAMESPACE_OFFLOADS); |
| 2268 | if (!ns) { |
| 2269 | esw_warn(esw->dev, "Failed to get offloads flow namespace\n" ); |
| 2270 | return -EOPNOTSUPP; |
| 2271 | } |
| 2272 | |
| 2273 | flow_group_in = kvzalloc(inlen, GFP_KERNEL); |
| 2274 | if (!flow_group_in) { |
| 2275 | err = -ENOMEM; |
| 2276 | goto out_free; |
| 2277 | } |
| 2278 | |
| 2279 | ft_attr.max_fte = 1 << ESW_REG_C0_USER_DATA_METADATA_BITS; |
| 2280 | ft = mlx5_create_flow_table(ns, ft_attr: &ft_attr); |
| 2281 | if (IS_ERR(ptr: ft)) { |
| 2282 | err = PTR_ERR(ptr: ft); |
| 2283 | esw_warn(esw->dev, "Failed to create restore table, err %d\n" , |
| 2284 | err); |
| 2285 | goto out_free; |
| 2286 | } |
| 2287 | |
| 2288 | match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, |
| 2289 | match_criteria); |
| 2290 | misc = MLX5_ADDR_OF(fte_match_param, match_criteria, |
| 2291 | misc_parameters_2); |
| 2292 | |
| 2293 | MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0, |
| 2294 | ESW_REG_C0_USER_DATA_METADATA_MASK); |
| 2295 | MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0); |
| 2296 | MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, |
| 2297 | ft_attr.max_fte - 1); |
| 2298 | MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, |
| 2299 | MLX5_MATCH_MISC_PARAMETERS_2); |
| 2300 | g = mlx5_create_flow_group(ft, in: flow_group_in); |
| 2301 | if (IS_ERR(ptr: g)) { |
| 2302 | err = PTR_ERR(ptr: g); |
| 2303 | esw_warn(dev, "Failed to create restore flow group, err: %d\n" , |
| 2304 | err); |
| 2305 | goto err_group; |
| 2306 | } |
| 2307 | |
| 2308 | MLX5_SET(copy_action_in, modact, action_type, MLX5_ACTION_TYPE_COPY); |
| 2309 | MLX5_SET(copy_action_in, modact, src_field, |
| 2310 | MLX5_ACTION_IN_FIELD_METADATA_REG_C_1); |
| 2311 | MLX5_SET(copy_action_in, modact, dst_field, |
| 2312 | MLX5_ACTION_IN_FIELD_METADATA_REG_B); |
| 2313 | mod_hdr = mlx5_modify_header_alloc(dev: esw->dev, |
| 2314 | ns_type: MLX5_FLOW_NAMESPACE_KERNEL, num_actions: 1, |
| 2315 | modify_actions: modact); |
| 2316 | if (IS_ERR(ptr: mod_hdr)) { |
| 2317 | err = PTR_ERR(ptr: mod_hdr); |
| 2318 | esw_warn(dev, "Failed to create restore mod header, err: %d\n" , |
| 2319 | err); |
| 2320 | goto err_mod_hdr; |
| 2321 | } |
| 2322 | |
| 2323 | esw->offloads.ft_offloads_restore = ft; |
| 2324 | esw->offloads.restore_group = g; |
| 2325 | esw->offloads.restore_copy_hdr_id = mod_hdr; |
| 2326 | |
| 2327 | kvfree(addr: flow_group_in); |
| 2328 | |
| 2329 | return 0; |
| 2330 | |
| 2331 | err_mod_hdr: |
| 2332 | mlx5_destroy_flow_group(fg: g); |
| 2333 | err_group: |
| 2334 | mlx5_destroy_flow_table(ft); |
| 2335 | out_free: |
| 2336 | kvfree(addr: flow_group_in); |
| 2337 | |
| 2338 | return err; |
| 2339 | } |
| 2340 | |
| 2341 | static void esw_mode_change(struct mlx5_eswitch *esw, u16 mode) |
| 2342 | { |
| 2343 | mlx5_devcom_comp_lock(devcom: esw->dev->priv.hca_devcom_comp); |
| 2344 | if (esw->dev->priv.flags & MLX5_PRIV_FLAGS_DISABLE_IB_ADEV || |
| 2345 | mlx5_core_mp_enabled(dev: esw->dev)) { |
| 2346 | esw->mode = mode; |
| 2347 | mlx5_rescan_drivers_locked(dev: esw->dev); |
| 2348 | mlx5_devcom_comp_unlock(devcom: esw->dev->priv.hca_devcom_comp); |
| 2349 | return; |
| 2350 | } |
| 2351 | |
| 2352 | esw->dev->priv.flags |= MLX5_PRIV_FLAGS_DISABLE_IB_ADEV; |
| 2353 | mlx5_rescan_drivers_locked(dev: esw->dev); |
| 2354 | esw->mode = mode; |
| 2355 | esw->dev->priv.flags &= ~MLX5_PRIV_FLAGS_DISABLE_IB_ADEV; |
| 2356 | mlx5_rescan_drivers_locked(dev: esw->dev); |
| 2357 | mlx5_devcom_comp_unlock(devcom: esw->dev->priv.hca_devcom_comp); |
| 2358 | } |
| 2359 | |
| 2360 | static void mlx5_esw_fdb_drop_destroy(struct mlx5_eswitch *esw) |
| 2361 | { |
| 2362 | if (!esw->fdb_table.offloads.drop_root) |
| 2363 | return; |
| 2364 | |
| 2365 | esw_debug(esw->dev, "Destroying FDB drop root table %#x fc %#x\n" , |
| 2366 | esw->fdb_table.offloads.drop_root->id, |
| 2367 | esw->fdb_table.offloads.drop_root_fc->id); |
| 2368 | mlx5_del_flow_rules(fr: esw->fdb_table.offloads.drop_root_rule); |
| 2369 | /* Don't free flow counter here, can be reused on a later activation */ |
| 2370 | mlx5_destroy_flow_table(ft: esw->fdb_table.offloads.drop_root); |
| 2371 | esw->fdb_table.offloads.drop_root_rule = NULL; |
| 2372 | esw->fdb_table.offloads.drop_root = NULL; |
| 2373 | } |
| 2374 | |
| 2375 | static int mlx5_esw_fdb_drop_create(struct mlx5_eswitch *esw) |
| 2376 | { |
| 2377 | struct mlx5_flow_destination drop_fc_dst = {}; |
| 2378 | struct mlx5_flow_table_attr ft_attr = {}; |
| 2379 | struct mlx5_flow_destination *dst = NULL; |
| 2380 | struct mlx5_core_dev *dev = esw->dev; |
| 2381 | struct mlx5_flow_namespace *root_ns; |
| 2382 | struct mlx5_flow_act flow_act = {}; |
| 2383 | struct mlx5_flow_handle *flow_rule; |
| 2384 | struct mlx5_flow_table *table; |
| 2385 | int err = 0, dst_num = 0; |
| 2386 | |
| 2387 | if (esw->fdb_table.offloads.drop_root) |
| 2388 | return 0; |
| 2389 | |
| 2390 | root_ns = esw->fdb_table.offloads.ns; |
| 2391 | |
| 2392 | ft_attr.prio = FDB_DROP_ROOT; |
| 2393 | ft_attr.max_fte = 1; |
| 2394 | ft_attr.autogroup.max_num_groups = 1; |
| 2395 | table = mlx5_create_auto_grouped_flow_table(ns: root_ns, ft_attr: &ft_attr); |
| 2396 | if (IS_ERR(ptr: table)) { |
| 2397 | esw_warn(dev, "Failed to create fdb drop root table, err %pe\n" , |
| 2398 | table); |
| 2399 | return PTR_ERR(ptr: table); |
| 2400 | } |
| 2401 | |
| 2402 | /* Drop FC reusable, create once on first deactivation of FDB */ |
| 2403 | if (!esw->fdb_table.offloads.drop_root_fc) { |
| 2404 | struct mlx5_fc *counter = mlx5_fc_create(dev, aging: 0); |
| 2405 | |
| 2406 | err = PTR_ERR_OR_ZERO(ptr: counter); |
| 2407 | if (err) |
| 2408 | esw_warn(esw->dev, "create fdb drop fc err %d\n" , err); |
| 2409 | else |
| 2410 | esw->fdb_table.offloads.drop_root_fc = counter; |
| 2411 | } |
| 2412 | |
| 2413 | flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP; |
| 2414 | |
| 2415 | if (esw->fdb_table.offloads.drop_root_fc) { |
| 2416 | flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; |
| 2417 | drop_fc_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; |
| 2418 | drop_fc_dst.counter = esw->fdb_table.offloads.drop_root_fc; |
| 2419 | dst = &drop_fc_dst; |
| 2420 | dst_num++; |
| 2421 | } |
| 2422 | |
| 2423 | flow_rule = mlx5_add_flow_rules(ft: table, NULL, flow_act: &flow_act, dest: dst, num_dest: dst_num); |
| 2424 | err = PTR_ERR_OR_ZERO(ptr: flow_rule); |
| 2425 | if (err) { |
| 2426 | esw_warn(esw->dev, |
| 2427 | "fs offloads: Failed to add vport rx drop rule err %d\n" , |
| 2428 | err); |
| 2429 | goto err_flow_rule; |
| 2430 | } |
| 2431 | |
| 2432 | esw->fdb_table.offloads.drop_root = table; |
| 2433 | esw->fdb_table.offloads.drop_root_rule = flow_rule; |
| 2434 | esw_debug(esw->dev, "Created FDB drop root table %#x fc %#x\n" , |
| 2435 | table->id, dst ? dst->counter->id : 0); |
| 2436 | return 0; |
| 2437 | |
| 2438 | err_flow_rule: |
| 2439 | /* no need to free drop fc, esw_offloads_steering_cleanup will do it */ |
| 2440 | mlx5_destroy_flow_table(ft: table); |
| 2441 | return err; |
| 2442 | } |
| 2443 | |
| 2444 | static void mlx5_esw_fdb_active(struct mlx5_eswitch *esw) |
| 2445 | { |
| 2446 | struct mlx5_vport *vport; |
| 2447 | unsigned long i; |
| 2448 | |
| 2449 | mlx5_esw_fdb_drop_destroy(esw); |
| 2450 | mlx5_mpfs_enable(dev: esw->dev); |
| 2451 | |
| 2452 | mlx5_esw_for_each_vf_vport(esw, i, vport, U16_MAX) { |
| 2453 | if (!vport->adjacent) |
| 2454 | continue; |
| 2455 | esw_debug(esw->dev, "Connecting vport %d to eswitch\n" , |
| 2456 | vport->vport); |
| 2457 | mlx5_esw_adj_vport_modify(dev: esw->dev, vport: vport->vport, connect: true); |
| 2458 | } |
| 2459 | |
| 2460 | esw->offloads_inactive = false; |
| 2461 | esw_warn(esw->dev, "MPFS/FDB active\n" ); |
| 2462 | } |
| 2463 | |
| 2464 | static void mlx5_esw_fdb_inactive(struct mlx5_eswitch *esw) |
| 2465 | { |
| 2466 | struct mlx5_vport *vport; |
| 2467 | unsigned long i; |
| 2468 | |
| 2469 | mlx5_mpfs_disable(dev: esw->dev); |
| 2470 | mlx5_esw_fdb_drop_create(esw); |
| 2471 | |
| 2472 | mlx5_esw_for_each_vf_vport(esw, i, vport, U16_MAX) { |
| 2473 | if (!vport->adjacent) |
| 2474 | continue; |
| 2475 | esw_debug(esw->dev, "Disconnecting vport %u from eswitch\n" , |
| 2476 | vport->vport); |
| 2477 | |
| 2478 | mlx5_esw_adj_vport_modify(dev: esw->dev, vport: vport->vport, connect: false); |
| 2479 | } |
| 2480 | |
| 2481 | esw->offloads_inactive = true; |
| 2482 | esw_warn(esw->dev, "MPFS/FDB inactive\n" ); |
| 2483 | } |
| 2484 | |
| 2485 | static int esw_offloads_start(struct mlx5_eswitch *esw, |
| 2486 | struct netlink_ext_ack *extack) |
| 2487 | { |
| 2488 | int err; |
| 2489 | |
| 2490 | esw_mode_change(esw, mode: MLX5_ESWITCH_OFFLOADS); |
| 2491 | err = mlx5_eswitch_enable_locked(esw, num_vfs: esw->dev->priv.sriov.num_vfs); |
| 2492 | if (err) { |
| 2493 | NL_SET_ERR_MSG_MOD(extack, |
| 2494 | "Failed setting eswitch to offloads" ); |
| 2495 | esw_mode_change(esw, mode: MLX5_ESWITCH_LEGACY); |
| 2496 | return err; |
| 2497 | } |
| 2498 | if (esw->offloads.inline_mode == MLX5_INLINE_MODE_NONE) { |
| 2499 | if (mlx5_eswitch_inline_mode_get(esw, |
| 2500 | mode: &esw->offloads.inline_mode)) { |
| 2501 | esw->offloads.inline_mode = MLX5_INLINE_MODE_L2; |
| 2502 | NL_SET_ERR_MSG_MOD(extack, |
| 2503 | "Inline mode is different between vports" ); |
| 2504 | } |
| 2505 | } |
| 2506 | return 0; |
| 2507 | } |
| 2508 | |
| 2509 | void mlx5_esw_offloads_rep_remove(struct mlx5_eswitch *esw, |
| 2510 | const struct mlx5_vport *vport) |
| 2511 | { |
| 2512 | struct mlx5_eswitch_rep *rep = xa_load(&esw->offloads.vport_reps, |
| 2513 | index: vport->vport); |
| 2514 | |
| 2515 | if (!rep) |
| 2516 | return; |
| 2517 | xa_erase(&esw->offloads.vport_reps, index: vport->vport); |
| 2518 | kfree(objp: rep); |
| 2519 | } |
| 2520 | |
| 2521 | int mlx5_esw_offloads_rep_add(struct mlx5_eswitch *esw, |
| 2522 | const struct mlx5_vport *vport) |
| 2523 | { |
| 2524 | struct mlx5_eswitch_rep *rep; |
| 2525 | int rep_type; |
| 2526 | int err; |
| 2527 | |
| 2528 | rep = kzalloc(sizeof(*rep), GFP_KERNEL); |
| 2529 | if (!rep) |
| 2530 | return -ENOMEM; |
| 2531 | |
| 2532 | rep->vport = vport->vport; |
| 2533 | rep->vport_index = vport->index; |
| 2534 | for (rep_type = 0; rep_type < NUM_REP_TYPES; rep_type++) { |
| 2535 | if (!esw->offloads.rep_ops[rep_type]) { |
| 2536 | atomic_set(v: &rep->rep_data[rep_type].state, |
| 2537 | i: REP_UNREGISTERED); |
| 2538 | continue; |
| 2539 | } |
| 2540 | /* Dynamic/delegated vports add their representors after |
| 2541 | * mlx5_eswitch_register_vport_reps, so mark them as registered |
| 2542 | * for them to be loaded later with the others. |
| 2543 | */ |
| 2544 | rep->esw = esw; |
| 2545 | atomic_set(v: &rep->rep_data[rep_type].state, i: REP_REGISTERED); |
| 2546 | } |
| 2547 | err = xa_insert(xa: &esw->offloads.vport_reps, index: rep->vport, entry: rep, GFP_KERNEL); |
| 2548 | if (err) |
| 2549 | goto insert_err; |
| 2550 | |
| 2551 | return 0; |
| 2552 | |
| 2553 | insert_err: |
| 2554 | kfree(objp: rep); |
| 2555 | return err; |
| 2556 | } |
| 2557 | |
| 2558 | static void mlx5_esw_offloads_rep_cleanup(struct mlx5_eswitch *esw, |
| 2559 | struct mlx5_eswitch_rep *rep) |
| 2560 | { |
| 2561 | xa_erase(&esw->offloads.vport_reps, index: rep->vport); |
| 2562 | kfree(objp: rep); |
| 2563 | } |
| 2564 | |
| 2565 | static void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw) |
| 2566 | { |
| 2567 | struct mlx5_eswitch_rep *rep; |
| 2568 | unsigned long i; |
| 2569 | |
| 2570 | mlx5_esw_for_each_rep(esw, i, rep) |
| 2571 | mlx5_esw_offloads_rep_cleanup(esw, rep); |
| 2572 | xa_destroy(&esw->offloads.vport_reps); |
| 2573 | } |
| 2574 | |
| 2575 | static int esw_offloads_init_reps(struct mlx5_eswitch *esw) |
| 2576 | { |
| 2577 | struct mlx5_vport *vport; |
| 2578 | unsigned long i; |
| 2579 | int err; |
| 2580 | |
| 2581 | xa_init(xa: &esw->offloads.vport_reps); |
| 2582 | |
| 2583 | mlx5_esw_for_each_vport(esw, i, vport) { |
| 2584 | err = mlx5_esw_offloads_rep_add(esw, vport); |
| 2585 | if (err) |
| 2586 | goto err; |
| 2587 | } |
| 2588 | return 0; |
| 2589 | |
| 2590 | err: |
| 2591 | esw_offloads_cleanup_reps(esw); |
| 2592 | return err; |
| 2593 | } |
| 2594 | |
| 2595 | static int esw_port_metadata_set(struct devlink *devlink, u32 id, |
| 2596 | struct devlink_param_gset_ctx *ctx, |
| 2597 | struct netlink_ext_ack *extack) |
| 2598 | { |
| 2599 | struct mlx5_core_dev *dev = devlink_priv(devlink); |
| 2600 | struct mlx5_eswitch *esw = dev->priv.eswitch; |
| 2601 | int err = 0; |
| 2602 | |
| 2603 | down_write(sem: &esw->mode_lock); |
| 2604 | if (mlx5_esw_is_fdb_created(esw)) { |
| 2605 | err = -EBUSY; |
| 2606 | goto done; |
| 2607 | } |
| 2608 | if (!mlx5_esw_vport_match_metadata_supported(esw)) { |
| 2609 | err = -EOPNOTSUPP; |
| 2610 | goto done; |
| 2611 | } |
| 2612 | if (ctx->val.vbool) |
| 2613 | esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA; |
| 2614 | else |
| 2615 | esw->flags &= ~MLX5_ESWITCH_VPORT_MATCH_METADATA; |
| 2616 | done: |
| 2617 | up_write(sem: &esw->mode_lock); |
| 2618 | return err; |
| 2619 | } |
| 2620 | |
| 2621 | static int esw_port_metadata_get(struct devlink *devlink, u32 id, |
| 2622 | struct devlink_param_gset_ctx *ctx, |
| 2623 | struct netlink_ext_ack *extack) |
| 2624 | { |
| 2625 | struct mlx5_core_dev *dev = devlink_priv(devlink); |
| 2626 | |
| 2627 | ctx->val.vbool = mlx5_eswitch_vport_match_metadata_enabled(esw: dev->priv.eswitch); |
| 2628 | return 0; |
| 2629 | } |
| 2630 | |
| 2631 | static int esw_port_metadata_validate(struct devlink *devlink, u32 id, |
| 2632 | union devlink_param_value val, |
| 2633 | struct netlink_ext_ack *extack) |
| 2634 | { |
| 2635 | struct mlx5_core_dev *dev = devlink_priv(devlink); |
| 2636 | u8 esw_mode; |
| 2637 | |
| 2638 | esw_mode = mlx5_eswitch_mode(dev); |
| 2639 | if (esw_mode == MLX5_ESWITCH_OFFLOADS) { |
| 2640 | NL_SET_ERR_MSG_MOD(extack, |
| 2641 | "E-Switch must either disabled or non switchdev mode" ); |
| 2642 | return -EBUSY; |
| 2643 | } |
| 2644 | return 0; |
| 2645 | } |
| 2646 | |
| 2647 | static const struct devlink_param esw_devlink_params[] = { |
| 2648 | DEVLINK_PARAM_DRIVER(MLX5_DEVLINK_PARAM_ID_ESW_PORT_METADATA, |
| 2649 | "esw_port_metadata" , DEVLINK_PARAM_TYPE_BOOL, |
| 2650 | BIT(DEVLINK_PARAM_CMODE_RUNTIME), |
| 2651 | esw_port_metadata_get, |
| 2652 | esw_port_metadata_set, |
| 2653 | esw_port_metadata_validate), |
| 2654 | }; |
| 2655 | |
| 2656 | int esw_offloads_init(struct mlx5_eswitch *esw) |
| 2657 | { |
| 2658 | int err; |
| 2659 | |
| 2660 | err = esw_offloads_init_reps(esw); |
| 2661 | if (err) |
| 2662 | return err; |
| 2663 | |
| 2664 | if (MLX5_ESWITCH_MANAGER(esw->dev) && |
| 2665 | mlx5_esw_vport_match_metadata_supported(esw)) |
| 2666 | esw->flags |= MLX5_ESWITCH_VPORT_MATCH_METADATA; |
| 2667 | |
| 2668 | err = devl_params_register(devlink: priv_to_devlink(priv: esw->dev), |
| 2669 | params: esw_devlink_params, |
| 2670 | ARRAY_SIZE(esw_devlink_params)); |
| 2671 | if (err) |
| 2672 | goto err_params; |
| 2673 | |
| 2674 | return 0; |
| 2675 | |
| 2676 | err_params: |
| 2677 | esw_offloads_cleanup_reps(esw); |
| 2678 | return err; |
| 2679 | } |
| 2680 | |
| 2681 | void esw_offloads_cleanup(struct mlx5_eswitch *esw) |
| 2682 | { |
| 2683 | devl_params_unregister(devlink: priv_to_devlink(priv: esw->dev), |
| 2684 | params: esw_devlink_params, |
| 2685 | ARRAY_SIZE(esw_devlink_params)); |
| 2686 | esw_offloads_cleanup_reps(esw); |
| 2687 | } |
| 2688 | |
| 2689 | static int __esw_offloads_load_rep(struct mlx5_eswitch *esw, |
| 2690 | struct mlx5_eswitch_rep *rep, u8 rep_type) |
| 2691 | { |
| 2692 | if (atomic_cmpxchg(v: &rep->rep_data[rep_type].state, |
| 2693 | old: REP_REGISTERED, new: REP_LOADED) == REP_REGISTERED) |
| 2694 | return esw->offloads.rep_ops[rep_type]->load(esw->dev, rep); |
| 2695 | |
| 2696 | return 0; |
| 2697 | } |
| 2698 | |
| 2699 | static void __esw_offloads_unload_rep(struct mlx5_eswitch *esw, |
| 2700 | struct mlx5_eswitch_rep *rep, u8 rep_type) |
| 2701 | { |
| 2702 | if (atomic_cmpxchg(v: &rep->rep_data[rep_type].state, |
| 2703 | old: REP_LOADED, new: REP_REGISTERED) == REP_LOADED) { |
| 2704 | if (rep_type == REP_ETH) |
| 2705 | __esw_offloads_unload_rep(esw, rep, rep_type: REP_IB); |
| 2706 | esw->offloads.rep_ops[rep_type]->unload(rep); |
| 2707 | } |
| 2708 | } |
| 2709 | |
| 2710 | static void __unload_reps_all_vport(struct mlx5_eswitch *esw, u8 rep_type) |
| 2711 | { |
| 2712 | struct mlx5_eswitch_rep *rep; |
| 2713 | unsigned long i; |
| 2714 | |
| 2715 | mlx5_esw_for_each_rep(esw, i, rep) |
| 2716 | __esw_offloads_unload_rep(esw, rep, rep_type); |
| 2717 | } |
| 2718 | |
| 2719 | static int mlx5_esw_offloads_rep_load(struct mlx5_eswitch *esw, u16 vport_num) |
| 2720 | { |
| 2721 | struct mlx5_eswitch_rep *rep; |
| 2722 | int rep_type; |
| 2723 | int err; |
| 2724 | |
| 2725 | rep = mlx5_eswitch_get_rep(esw, vport_num); |
| 2726 | for (rep_type = 0; rep_type < NUM_REP_TYPES; rep_type++) { |
| 2727 | err = __esw_offloads_load_rep(esw, rep, rep_type); |
| 2728 | if (err) |
| 2729 | goto err_reps; |
| 2730 | } |
| 2731 | |
| 2732 | return 0; |
| 2733 | |
| 2734 | err_reps: |
| 2735 | atomic_set(v: &rep->rep_data[rep_type].state, i: REP_REGISTERED); |
| 2736 | for (--rep_type; rep_type >= 0; rep_type--) |
| 2737 | __esw_offloads_unload_rep(esw, rep, rep_type); |
| 2738 | return err; |
| 2739 | } |
| 2740 | |
| 2741 | static void mlx5_esw_offloads_rep_unload(struct mlx5_eswitch *esw, u16 vport_num) |
| 2742 | { |
| 2743 | struct mlx5_eswitch_rep *rep; |
| 2744 | int rep_type; |
| 2745 | |
| 2746 | rep = mlx5_eswitch_get_rep(esw, vport_num); |
| 2747 | for (rep_type = NUM_REP_TYPES - 1; rep_type >= 0; rep_type--) |
| 2748 | __esw_offloads_unload_rep(esw, rep, rep_type); |
| 2749 | } |
| 2750 | |
| 2751 | int mlx5_esw_offloads_init_pf_vf_rep(struct mlx5_eswitch *esw, struct mlx5_vport *vport) |
| 2752 | { |
| 2753 | if (esw->mode != MLX5_ESWITCH_OFFLOADS) |
| 2754 | return 0; |
| 2755 | |
| 2756 | return mlx5_esw_offloads_pf_vf_devlink_port_init(esw, vport); |
| 2757 | } |
| 2758 | |
| 2759 | void mlx5_esw_offloads_cleanup_pf_vf_rep(struct mlx5_eswitch *esw, struct mlx5_vport *vport) |
| 2760 | { |
| 2761 | if (esw->mode != MLX5_ESWITCH_OFFLOADS) |
| 2762 | return; |
| 2763 | |
| 2764 | mlx5_esw_offloads_pf_vf_devlink_port_cleanup(esw, vport); |
| 2765 | } |
| 2766 | |
| 2767 | int mlx5_esw_offloads_init_sf_rep(struct mlx5_eswitch *esw, struct mlx5_vport *vport, |
| 2768 | struct mlx5_devlink_port *dl_port, |
| 2769 | u32 controller, u32 sfnum) |
| 2770 | { |
| 2771 | return mlx5_esw_offloads_sf_devlink_port_init(esw, vport, dl_port, controller, sfnum); |
| 2772 | } |
| 2773 | |
| 2774 | void mlx5_esw_offloads_cleanup_sf_rep(struct mlx5_eswitch *esw, struct mlx5_vport *vport) |
| 2775 | { |
| 2776 | mlx5_esw_offloads_sf_devlink_port_cleanup(esw, vport); |
| 2777 | } |
| 2778 | |
| 2779 | int mlx5_esw_offloads_load_rep(struct mlx5_eswitch *esw, struct mlx5_vport *vport) |
| 2780 | { |
| 2781 | int err; |
| 2782 | |
| 2783 | if (esw->mode != MLX5_ESWITCH_OFFLOADS) |
| 2784 | return 0; |
| 2785 | |
| 2786 | err = mlx5_esw_offloads_devlink_port_register(esw, vport); |
| 2787 | if (err) |
| 2788 | return err; |
| 2789 | |
| 2790 | err = mlx5_esw_offloads_rep_load(esw, vport_num: vport->vport); |
| 2791 | if (err) |
| 2792 | goto load_err; |
| 2793 | return err; |
| 2794 | |
| 2795 | load_err: |
| 2796 | mlx5_esw_offloads_devlink_port_unregister(vport); |
| 2797 | return err; |
| 2798 | } |
| 2799 | |
| 2800 | void mlx5_esw_offloads_unload_rep(struct mlx5_eswitch *esw, struct mlx5_vport *vport) |
| 2801 | { |
| 2802 | if (esw->mode != MLX5_ESWITCH_OFFLOADS) |
| 2803 | return; |
| 2804 | |
| 2805 | mlx5_esw_offloads_rep_unload(esw, vport_num: vport->vport); |
| 2806 | |
| 2807 | mlx5_esw_offloads_devlink_port_unregister(vport); |
| 2808 | } |
| 2809 | |
| 2810 | static int esw_set_slave_root_fdb(struct mlx5_core_dev *master, |
| 2811 | struct mlx5_core_dev *slave) |
| 2812 | { |
| 2813 | u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {}; |
| 2814 | u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {}; |
| 2815 | struct mlx5_flow_root_namespace *root; |
| 2816 | struct mlx5_flow_namespace *ns; |
| 2817 | int err; |
| 2818 | |
| 2819 | MLX5_SET(set_flow_table_root_in, in, opcode, |
| 2820 | MLX5_CMD_OP_SET_FLOW_TABLE_ROOT); |
| 2821 | MLX5_SET(set_flow_table_root_in, in, table_type, |
| 2822 | FS_FT_FDB); |
| 2823 | |
| 2824 | if (master) { |
| 2825 | ns = mlx5_get_flow_namespace(dev: master, |
| 2826 | type: MLX5_FLOW_NAMESPACE_FDB); |
| 2827 | root = find_root(node: &ns->node); |
| 2828 | mutex_lock(&root->chain_lock); |
| 2829 | MLX5_SET(set_flow_table_root_in, in, |
| 2830 | table_eswitch_owner_vhca_id_valid, 1); |
| 2831 | MLX5_SET(set_flow_table_root_in, in, |
| 2832 | table_eswitch_owner_vhca_id, |
| 2833 | MLX5_CAP_GEN(master, vhca_id)); |
| 2834 | MLX5_SET(set_flow_table_root_in, in, table_id, |
| 2835 | root->root_ft->id); |
| 2836 | } else { |
| 2837 | ns = mlx5_get_flow_namespace(dev: slave, |
| 2838 | type: MLX5_FLOW_NAMESPACE_FDB); |
| 2839 | root = find_root(node: &ns->node); |
| 2840 | mutex_lock(&root->chain_lock); |
| 2841 | MLX5_SET(set_flow_table_root_in, in, table_id, |
| 2842 | root->root_ft->id); |
| 2843 | } |
| 2844 | |
| 2845 | err = mlx5_cmd_exec(dev: slave, in, in_size: sizeof(in), out, out_size: sizeof(out)); |
| 2846 | mutex_unlock(lock: &root->chain_lock); |
| 2847 | |
| 2848 | return err; |
| 2849 | } |
| 2850 | |
| 2851 | static int __esw_set_master_egress_rule(struct mlx5_core_dev *master, |
| 2852 | struct mlx5_core_dev *slave, |
| 2853 | struct mlx5_vport *vport, |
| 2854 | struct mlx5_flow_table *acl) |
| 2855 | { |
| 2856 | u16 slave_index = MLX5_CAP_GEN(slave, vhca_id); |
| 2857 | struct mlx5_flow_handle *flow_rule = NULL; |
| 2858 | struct mlx5_flow_destination dest = {}; |
| 2859 | struct mlx5_flow_act flow_act = {}; |
| 2860 | struct mlx5_flow_spec *spec; |
| 2861 | int err = 0; |
| 2862 | void *misc; |
| 2863 | |
| 2864 | spec = kvzalloc(sizeof(*spec), GFP_KERNEL); |
| 2865 | if (!spec) |
| 2866 | return -ENOMEM; |
| 2867 | |
| 2868 | spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS; |
| 2869 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, |
| 2870 | misc_parameters); |
| 2871 | MLX5_SET(fte_match_set_misc, misc, source_port, MLX5_VPORT_UPLINK); |
| 2872 | MLX5_SET(fte_match_set_misc, misc, source_eswitch_owner_vhca_id, slave_index); |
| 2873 | |
| 2874 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, misc_parameters); |
| 2875 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port); |
| 2876 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, |
| 2877 | source_eswitch_owner_vhca_id); |
| 2878 | |
| 2879 | flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; |
| 2880 | dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT; |
| 2881 | dest.vport.num = slave->priv.eswitch->manager_vport; |
| 2882 | dest.vport.vhca_id = MLX5_CAP_GEN(slave, vhca_id); |
| 2883 | dest.vport.flags |= MLX5_FLOW_DEST_VPORT_VHCA_ID; |
| 2884 | |
| 2885 | flow_rule = mlx5_add_flow_rules(ft: acl, spec, flow_act: &flow_act, |
| 2886 | dest: &dest, num_dest: 1); |
| 2887 | if (IS_ERR(ptr: flow_rule)) { |
| 2888 | err = PTR_ERR(ptr: flow_rule); |
| 2889 | } else { |
| 2890 | err = xa_insert(xa: &vport->egress.offloads.bounce_rules, |
| 2891 | index: slave_index, entry: flow_rule, GFP_KERNEL); |
| 2892 | if (err) |
| 2893 | mlx5_del_flow_rules(fr: flow_rule); |
| 2894 | } |
| 2895 | |
| 2896 | kvfree(addr: spec); |
| 2897 | return err; |
| 2898 | } |
| 2899 | |
| 2900 | static int esw_master_egress_create_resources(struct mlx5_eswitch *esw, |
| 2901 | struct mlx5_flow_namespace *egress_ns, |
| 2902 | struct mlx5_vport *vport, size_t count) |
| 2903 | { |
| 2904 | int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); |
| 2905 | struct mlx5_flow_table_attr ft_attr = { |
| 2906 | .max_fte = count, .prio = 0, .level = 0, |
| 2907 | }; |
| 2908 | struct mlx5_flow_table *acl; |
| 2909 | struct mlx5_flow_group *g; |
| 2910 | void *match_criteria; |
| 2911 | u32 *flow_group_in; |
| 2912 | int err; |
| 2913 | |
| 2914 | if (vport->egress.acl) |
| 2915 | return 0; |
| 2916 | |
| 2917 | flow_group_in = kvzalloc(inlen, GFP_KERNEL); |
| 2918 | if (!flow_group_in) |
| 2919 | return -ENOMEM; |
| 2920 | |
| 2921 | if (vport->vport || mlx5_core_is_ecpf(dev: esw->dev)) |
| 2922 | ft_attr.flags = MLX5_FLOW_TABLE_OTHER_VPORT; |
| 2923 | |
| 2924 | acl = mlx5_create_vport_flow_table(ns: egress_ns, ft_attr: &ft_attr, vport: vport->vport); |
| 2925 | if (IS_ERR(ptr: acl)) { |
| 2926 | err = PTR_ERR(ptr: acl); |
| 2927 | goto out; |
| 2928 | } |
| 2929 | |
| 2930 | match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, |
| 2931 | match_criteria); |
| 2932 | MLX5_SET_TO_ONES(fte_match_param, match_criteria, |
| 2933 | misc_parameters.source_port); |
| 2934 | MLX5_SET_TO_ONES(fte_match_param, match_criteria, |
| 2935 | misc_parameters.source_eswitch_owner_vhca_id); |
| 2936 | MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, |
| 2937 | MLX5_MATCH_MISC_PARAMETERS); |
| 2938 | |
| 2939 | MLX5_SET(create_flow_group_in, flow_group_in, |
| 2940 | source_eswitch_owner_vhca_id_valid, 1); |
| 2941 | MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0); |
| 2942 | MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, count); |
| 2943 | |
| 2944 | g = mlx5_create_flow_group(ft: acl, in: flow_group_in); |
| 2945 | if (IS_ERR(ptr: g)) { |
| 2946 | err = PTR_ERR(ptr: g); |
| 2947 | goto err_group; |
| 2948 | } |
| 2949 | |
| 2950 | vport->egress.acl = acl; |
| 2951 | vport->egress.offloads.bounce_grp = g; |
| 2952 | vport->egress.type = VPORT_EGRESS_ACL_TYPE_SHARED_FDB; |
| 2953 | xa_init_flags(xa: &vport->egress.offloads.bounce_rules, XA_FLAGS_ALLOC); |
| 2954 | |
| 2955 | kvfree(addr: flow_group_in); |
| 2956 | |
| 2957 | return 0; |
| 2958 | |
| 2959 | err_group: |
| 2960 | mlx5_destroy_flow_table(ft: acl); |
| 2961 | out: |
| 2962 | kvfree(addr: flow_group_in); |
| 2963 | return err; |
| 2964 | } |
| 2965 | |
| 2966 | static void esw_master_egress_destroy_resources(struct mlx5_vport *vport) |
| 2967 | { |
| 2968 | if (!xa_empty(xa: &vport->egress.offloads.bounce_rules)) |
| 2969 | return; |
| 2970 | mlx5_destroy_flow_group(fg: vport->egress.offloads.bounce_grp); |
| 2971 | vport->egress.offloads.bounce_grp = NULL; |
| 2972 | mlx5_destroy_flow_table(ft: vport->egress.acl); |
| 2973 | vport->egress.acl = NULL; |
| 2974 | } |
| 2975 | |
| 2976 | static int esw_set_master_egress_rule(struct mlx5_core_dev *master, |
| 2977 | struct mlx5_core_dev *slave, size_t count) |
| 2978 | { |
| 2979 | struct mlx5_eswitch *esw = master->priv.eswitch; |
| 2980 | u16 slave_index = MLX5_CAP_GEN(slave, vhca_id); |
| 2981 | struct mlx5_flow_namespace *egress_ns; |
| 2982 | struct mlx5_vport *vport; |
| 2983 | int err; |
| 2984 | |
| 2985 | vport = mlx5_eswitch_get_vport(esw, vport_num: esw->manager_vport); |
| 2986 | if (IS_ERR(ptr: vport)) |
| 2987 | return PTR_ERR(ptr: vport); |
| 2988 | |
| 2989 | egress_ns = mlx5_get_flow_vport_namespace(dev: master, |
| 2990 | type: MLX5_FLOW_NAMESPACE_ESW_EGRESS, |
| 2991 | vport_idx: vport->index); |
| 2992 | if (!egress_ns) |
| 2993 | return -EINVAL; |
| 2994 | |
| 2995 | if (vport->egress.acl && vport->egress.type != VPORT_EGRESS_ACL_TYPE_SHARED_FDB) |
| 2996 | return 0; |
| 2997 | |
| 2998 | err = esw_master_egress_create_resources(esw, egress_ns, vport, count); |
| 2999 | if (err) |
| 3000 | return err; |
| 3001 | |
| 3002 | if (xa_load(&vport->egress.offloads.bounce_rules, index: slave_index)) |
| 3003 | return -EINVAL; |
| 3004 | |
| 3005 | err = __esw_set_master_egress_rule(master, slave, vport, acl: vport->egress.acl); |
| 3006 | if (err) |
| 3007 | goto err_rule; |
| 3008 | |
| 3009 | return 0; |
| 3010 | |
| 3011 | err_rule: |
| 3012 | esw_master_egress_destroy_resources(vport); |
| 3013 | return err; |
| 3014 | } |
| 3015 | |
| 3016 | static void esw_unset_master_egress_rule(struct mlx5_core_dev *dev, |
| 3017 | struct mlx5_core_dev *slave_dev) |
| 3018 | { |
| 3019 | struct mlx5_vport *vport; |
| 3020 | |
| 3021 | vport = mlx5_eswitch_get_vport(esw: dev->priv.eswitch, |
| 3022 | vport_num: dev->priv.eswitch->manager_vport); |
| 3023 | |
| 3024 | esw_acl_egress_ofld_bounce_rule_destroy(vport, MLX5_CAP_GEN(slave_dev, vhca_id)); |
| 3025 | |
| 3026 | if (xa_empty(xa: &vport->egress.offloads.bounce_rules)) { |
| 3027 | esw_acl_egress_ofld_cleanup(vport); |
| 3028 | xa_destroy(&vport->egress.offloads.bounce_rules); |
| 3029 | } |
| 3030 | } |
| 3031 | |
| 3032 | int mlx5_eswitch_offloads_single_fdb_add_one(struct mlx5_eswitch *master_esw, |
| 3033 | struct mlx5_eswitch *slave_esw, int max_slaves) |
| 3034 | { |
| 3035 | int err; |
| 3036 | |
| 3037 | err = esw_set_slave_root_fdb(master: master_esw->dev, |
| 3038 | slave: slave_esw->dev); |
| 3039 | if (err) |
| 3040 | return err; |
| 3041 | |
| 3042 | err = esw_set_master_egress_rule(master: master_esw->dev, |
| 3043 | slave: slave_esw->dev, count: max_slaves); |
| 3044 | if (err) |
| 3045 | goto err_acl; |
| 3046 | |
| 3047 | return err; |
| 3048 | |
| 3049 | err_acl: |
| 3050 | esw_set_slave_root_fdb(NULL, slave: slave_esw->dev); |
| 3051 | return err; |
| 3052 | } |
| 3053 | |
| 3054 | void mlx5_eswitch_offloads_single_fdb_del_one(struct mlx5_eswitch *master_esw, |
| 3055 | struct mlx5_eswitch *slave_esw) |
| 3056 | { |
| 3057 | esw_set_slave_root_fdb(NULL, slave: slave_esw->dev); |
| 3058 | esw_unset_master_egress_rule(dev: master_esw->dev, slave_dev: slave_esw->dev); |
| 3059 | } |
| 3060 | |
| 3061 | #define ESW_OFFLOADS_DEVCOM_PAIR (0) |
| 3062 | #define ESW_OFFLOADS_DEVCOM_UNPAIR (1) |
| 3063 | |
| 3064 | static void mlx5_esw_offloads_rep_event_unpair(struct mlx5_eswitch *esw, |
| 3065 | struct mlx5_eswitch *peer_esw) |
| 3066 | { |
| 3067 | const struct mlx5_eswitch_rep_ops *ops; |
| 3068 | struct mlx5_eswitch_rep *rep; |
| 3069 | unsigned long i; |
| 3070 | u8 rep_type; |
| 3071 | |
| 3072 | mlx5_esw_for_each_rep(esw, i, rep) { |
| 3073 | rep_type = NUM_REP_TYPES; |
| 3074 | while (rep_type--) { |
| 3075 | ops = esw->offloads.rep_ops[rep_type]; |
| 3076 | if (atomic_read(v: &rep->rep_data[rep_type].state) == REP_LOADED && |
| 3077 | ops->event) |
| 3078 | ops->event(esw, rep, MLX5_SWITCHDEV_EVENT_UNPAIR, peer_esw); |
| 3079 | } |
| 3080 | } |
| 3081 | } |
| 3082 | |
| 3083 | static void mlx5_esw_offloads_unpair(struct mlx5_eswitch *esw, |
| 3084 | struct mlx5_eswitch *peer_esw) |
| 3085 | { |
| 3086 | #if IS_ENABLED(CONFIG_MLX5_CLS_ACT) |
| 3087 | mlx5e_tc_clean_fdb_peer_flows(esw); |
| 3088 | #endif |
| 3089 | mlx5_esw_offloads_rep_event_unpair(esw, peer_esw); |
| 3090 | esw_del_fdb_peer_miss_rules(esw, peer_dev: peer_esw->dev); |
| 3091 | } |
| 3092 | |
| 3093 | static int mlx5_esw_offloads_pair(struct mlx5_eswitch *esw, |
| 3094 | struct mlx5_eswitch *peer_esw) |
| 3095 | { |
| 3096 | const struct mlx5_eswitch_rep_ops *ops; |
| 3097 | struct mlx5_eswitch_rep *rep; |
| 3098 | unsigned long i; |
| 3099 | u8 rep_type; |
| 3100 | int err; |
| 3101 | |
| 3102 | err = esw_add_fdb_peer_miss_rules(esw, peer_dev: peer_esw->dev); |
| 3103 | if (err) |
| 3104 | return err; |
| 3105 | |
| 3106 | mlx5_esw_for_each_rep(esw, i, rep) { |
| 3107 | for (rep_type = 0; rep_type < NUM_REP_TYPES; rep_type++) { |
| 3108 | ops = esw->offloads.rep_ops[rep_type]; |
| 3109 | if (atomic_read(v: &rep->rep_data[rep_type].state) == REP_LOADED && |
| 3110 | ops->event) { |
| 3111 | err = ops->event(esw, rep, MLX5_SWITCHDEV_EVENT_PAIR, peer_esw); |
| 3112 | if (err) |
| 3113 | goto err_out; |
| 3114 | } |
| 3115 | } |
| 3116 | } |
| 3117 | |
| 3118 | return 0; |
| 3119 | |
| 3120 | err_out: |
| 3121 | mlx5_esw_offloads_unpair(esw, peer_esw); |
| 3122 | return err; |
| 3123 | } |
| 3124 | |
| 3125 | static int mlx5_esw_offloads_set_ns_peer(struct mlx5_eswitch *esw, |
| 3126 | struct mlx5_eswitch *peer_esw, |
| 3127 | bool pair) |
| 3128 | { |
| 3129 | u16 peer_vhca_id = MLX5_CAP_GEN(peer_esw->dev, vhca_id); |
| 3130 | u16 vhca_id = MLX5_CAP_GEN(esw->dev, vhca_id); |
| 3131 | struct mlx5_flow_root_namespace *peer_ns; |
| 3132 | struct mlx5_flow_root_namespace *ns; |
| 3133 | int err; |
| 3134 | |
| 3135 | peer_ns = peer_esw->dev->priv.steering->fdb_root_ns; |
| 3136 | ns = esw->dev->priv.steering->fdb_root_ns; |
| 3137 | |
| 3138 | if (pair) { |
| 3139 | err = mlx5_flow_namespace_set_peer(ns, peer_ns, peer_vhca_id); |
| 3140 | if (err) |
| 3141 | return err; |
| 3142 | |
| 3143 | err = mlx5_flow_namespace_set_peer(ns: peer_ns, peer_ns: ns, peer_vhca_id: vhca_id); |
| 3144 | if (err) { |
| 3145 | mlx5_flow_namespace_set_peer(ns, NULL, peer_vhca_id); |
| 3146 | return err; |
| 3147 | } |
| 3148 | } else { |
| 3149 | mlx5_flow_namespace_set_peer(ns, NULL, peer_vhca_id); |
| 3150 | mlx5_flow_namespace_set_peer(ns: peer_ns, NULL, peer_vhca_id: vhca_id); |
| 3151 | } |
| 3152 | |
| 3153 | return 0; |
| 3154 | } |
| 3155 | |
| 3156 | static int mlx5_esw_offloads_devcom_event(int event, |
| 3157 | void *my_data, |
| 3158 | void *event_data) |
| 3159 | { |
| 3160 | struct mlx5_eswitch *esw = my_data; |
| 3161 | struct mlx5_eswitch *peer_esw = event_data; |
| 3162 | u16 esw_i, peer_esw_i; |
| 3163 | bool esw_paired; |
| 3164 | int err; |
| 3165 | |
| 3166 | peer_esw_i = MLX5_CAP_GEN(peer_esw->dev, vhca_id); |
| 3167 | esw_i = MLX5_CAP_GEN(esw->dev, vhca_id); |
| 3168 | esw_paired = !!xa_load(&esw->paired, index: peer_esw_i); |
| 3169 | |
| 3170 | switch (event) { |
| 3171 | case ESW_OFFLOADS_DEVCOM_PAIR: |
| 3172 | if (mlx5_eswitch_vport_match_metadata_enabled(esw) != |
| 3173 | mlx5_eswitch_vport_match_metadata_enabled(esw: peer_esw)) |
| 3174 | break; |
| 3175 | |
| 3176 | if (esw_paired) |
| 3177 | break; |
| 3178 | |
| 3179 | err = mlx5_esw_offloads_set_ns_peer(esw, peer_esw, pair: true); |
| 3180 | if (err) |
| 3181 | goto err_out; |
| 3182 | |
| 3183 | err = mlx5_esw_offloads_pair(esw, peer_esw); |
| 3184 | if (err) |
| 3185 | goto err_peer; |
| 3186 | |
| 3187 | err = mlx5_esw_offloads_pair(esw: peer_esw, peer_esw: esw); |
| 3188 | if (err) |
| 3189 | goto err_pair; |
| 3190 | |
| 3191 | err = xa_insert(xa: &esw->paired, index: peer_esw_i, entry: peer_esw, GFP_KERNEL); |
| 3192 | if (err) |
| 3193 | goto err_xa; |
| 3194 | |
| 3195 | err = xa_insert(xa: &peer_esw->paired, index: esw_i, entry: esw, GFP_KERNEL); |
| 3196 | if (err) |
| 3197 | goto err_peer_xa; |
| 3198 | |
| 3199 | esw->num_peers++; |
| 3200 | peer_esw->num_peers++; |
| 3201 | mlx5_devcom_comp_set_ready(devcom: esw->devcom, ready: true); |
| 3202 | break; |
| 3203 | |
| 3204 | case ESW_OFFLOADS_DEVCOM_UNPAIR: |
| 3205 | if (!esw_paired) |
| 3206 | break; |
| 3207 | |
| 3208 | peer_esw->num_peers--; |
| 3209 | esw->num_peers--; |
| 3210 | if (!esw->num_peers && !peer_esw->num_peers) |
| 3211 | mlx5_devcom_comp_set_ready(devcom: esw->devcom, ready: false); |
| 3212 | xa_erase(&peer_esw->paired, index: esw_i); |
| 3213 | xa_erase(&esw->paired, index: peer_esw_i); |
| 3214 | mlx5_esw_offloads_unpair(esw: peer_esw, peer_esw: esw); |
| 3215 | mlx5_esw_offloads_unpair(esw, peer_esw); |
| 3216 | mlx5_esw_offloads_set_ns_peer(esw, peer_esw, pair: false); |
| 3217 | break; |
| 3218 | } |
| 3219 | |
| 3220 | return 0; |
| 3221 | |
| 3222 | err_peer_xa: |
| 3223 | xa_erase(&esw->paired, index: peer_esw_i); |
| 3224 | err_xa: |
| 3225 | mlx5_esw_offloads_unpair(esw: peer_esw, peer_esw: esw); |
| 3226 | err_pair: |
| 3227 | mlx5_esw_offloads_unpair(esw, peer_esw); |
| 3228 | err_peer: |
| 3229 | mlx5_esw_offloads_set_ns_peer(esw, peer_esw, pair: false); |
| 3230 | err_out: |
| 3231 | mlx5_core_err(esw->dev, "esw offloads devcom event failure, event %u err %d" , |
| 3232 | event, err); |
| 3233 | return err; |
| 3234 | } |
| 3235 | |
| 3236 | void mlx5_esw_offloads_devcom_init(struct mlx5_eswitch *esw, |
| 3237 | const struct mlx5_devcom_match_attr *attr) |
| 3238 | { |
| 3239 | int i; |
| 3240 | |
| 3241 | for (i = 0; i < MLX5_MAX_PORTS; i++) |
| 3242 | INIT_LIST_HEAD(list: &esw->offloads.peer_flows[i]); |
| 3243 | mutex_init(&esw->offloads.peer_mutex); |
| 3244 | |
| 3245 | if (!MLX5_CAP_ESW(esw->dev, merged_eswitch)) |
| 3246 | return; |
| 3247 | |
| 3248 | if ((MLX5_VPORT_MANAGER(esw->dev) || mlx5_core_is_ecpf_esw_manager(dev: esw->dev)) && |
| 3249 | !mlx5_lag_is_supported(dev: esw->dev)) |
| 3250 | return; |
| 3251 | |
| 3252 | xa_init(xa: &esw->paired); |
| 3253 | esw->num_peers = 0; |
| 3254 | esw->devcom = mlx5_devcom_register_component(devc: esw->dev->priv.devc, |
| 3255 | id: MLX5_DEVCOM_ESW_OFFLOADS, |
| 3256 | attr, |
| 3257 | handler: mlx5_esw_offloads_devcom_event, |
| 3258 | data: esw); |
| 3259 | if (!esw->devcom) |
| 3260 | return; |
| 3261 | |
| 3262 | mlx5_devcom_send_event(devcom: esw->devcom, |
| 3263 | ESW_OFFLOADS_DEVCOM_PAIR, |
| 3264 | ESW_OFFLOADS_DEVCOM_UNPAIR, |
| 3265 | event_data: esw); |
| 3266 | } |
| 3267 | |
| 3268 | void mlx5_esw_offloads_devcom_cleanup(struct mlx5_eswitch *esw) |
| 3269 | { |
| 3270 | if (!esw->devcom) |
| 3271 | return; |
| 3272 | |
| 3273 | mlx5_devcom_send_event(devcom: esw->devcom, |
| 3274 | ESW_OFFLOADS_DEVCOM_UNPAIR, |
| 3275 | ESW_OFFLOADS_DEVCOM_UNPAIR, |
| 3276 | event_data: esw); |
| 3277 | |
| 3278 | mlx5_devcom_unregister_component(devcom: esw->devcom); |
| 3279 | xa_destroy(&esw->paired); |
| 3280 | esw->devcom = NULL; |
| 3281 | } |
| 3282 | |
| 3283 | bool mlx5_esw_offloads_devcom_is_ready(struct mlx5_eswitch *esw) |
| 3284 | { |
| 3285 | return mlx5_devcom_comp_is_ready(devcom: esw->devcom); |
| 3286 | } |
| 3287 | |
| 3288 | bool mlx5_esw_vport_match_metadata_supported(const struct mlx5_eswitch *esw) |
| 3289 | { |
| 3290 | if (!MLX5_CAP_ESW(esw->dev, esw_uplink_ingress_acl)) |
| 3291 | return false; |
| 3292 | |
| 3293 | if (!(MLX5_CAP_ESW_FLOWTABLE(esw->dev, fdb_to_vport_reg_c_id) & |
| 3294 | MLX5_FDB_TO_VPORT_REG_C_0)) |
| 3295 | return false; |
| 3296 | |
| 3297 | return true; |
| 3298 | } |
| 3299 | |
| 3300 | #define MLX5_ESW_METADATA_RSVD_UPLINK 1 |
| 3301 | |
| 3302 | /* Share the same metadata for uplink's. This is fine because: |
| 3303 | * (a) In shared FDB mode (LAG) both uplink's are treated the |
| 3304 | * same and tagged with the same metadata. |
| 3305 | * (b) In non shared FDB mode, packets from physical port0 |
| 3306 | * cannot hit eswitch of PF1 and vice versa. |
| 3307 | */ |
| 3308 | static u32 mlx5_esw_match_metadata_reserved(struct mlx5_eswitch *esw) |
| 3309 | { |
| 3310 | return MLX5_ESW_METADATA_RSVD_UPLINK; |
| 3311 | } |
| 3312 | |
| 3313 | u32 mlx5_esw_match_metadata_alloc(struct mlx5_eswitch *esw) |
| 3314 | { |
| 3315 | u32 vport_end_ida = (1 << ESW_VPORT_BITS) - 1; |
| 3316 | /* Reserve 0xf for internal port offload */ |
| 3317 | u32 max_pf_num = (1 << ESW_PFNUM_BITS) - 2; |
| 3318 | u32 pf_num; |
| 3319 | int id; |
| 3320 | |
| 3321 | /* Only 4 bits of pf_num */ |
| 3322 | pf_num = mlx5_get_dev_index(dev: esw->dev); |
| 3323 | if (pf_num > max_pf_num) |
| 3324 | return 0; |
| 3325 | |
| 3326 | /* Metadata is 4 bits of PFNUM and 12 bits of unique id */ |
| 3327 | /* Use only non-zero vport_id (2-4095) for all PF's */ |
| 3328 | id = ida_alloc_range(&esw->offloads.vport_metadata_ida, |
| 3329 | MLX5_ESW_METADATA_RSVD_UPLINK + 1, |
| 3330 | max: vport_end_ida, GFP_KERNEL); |
| 3331 | if (id < 0) |
| 3332 | return 0; |
| 3333 | id = (pf_num << ESW_VPORT_BITS) | id; |
| 3334 | return id; |
| 3335 | } |
| 3336 | |
| 3337 | void mlx5_esw_match_metadata_free(struct mlx5_eswitch *esw, u32 metadata) |
| 3338 | { |
| 3339 | u32 vport_bit_mask = (1 << ESW_VPORT_BITS) - 1; |
| 3340 | |
| 3341 | /* Metadata contains only 12 bits of actual ida id */ |
| 3342 | ida_free(&esw->offloads.vport_metadata_ida, id: metadata & vport_bit_mask); |
| 3343 | } |
| 3344 | |
| 3345 | static int esw_offloads_vport_metadata_setup(struct mlx5_eswitch *esw, |
| 3346 | struct mlx5_vport *vport) |
| 3347 | { |
| 3348 | if (vport->vport == MLX5_VPORT_UPLINK) |
| 3349 | vport->default_metadata = mlx5_esw_match_metadata_reserved(esw); |
| 3350 | else |
| 3351 | vport->default_metadata = mlx5_esw_match_metadata_alloc(esw); |
| 3352 | |
| 3353 | vport->metadata = vport->default_metadata; |
| 3354 | return vport->metadata ? 0 : -ENOSPC; |
| 3355 | } |
| 3356 | |
| 3357 | static void esw_offloads_vport_metadata_cleanup(struct mlx5_eswitch *esw, |
| 3358 | struct mlx5_vport *vport) |
| 3359 | { |
| 3360 | if (!vport->default_metadata) |
| 3361 | return; |
| 3362 | |
| 3363 | if (vport->vport == MLX5_VPORT_UPLINK) |
| 3364 | return; |
| 3365 | |
| 3366 | WARN_ON(vport->metadata != vport->default_metadata); |
| 3367 | mlx5_esw_match_metadata_free(esw, metadata: vport->default_metadata); |
| 3368 | } |
| 3369 | |
| 3370 | static void esw_offloads_metadata_uninit(struct mlx5_eswitch *esw) |
| 3371 | { |
| 3372 | struct mlx5_vport *vport; |
| 3373 | unsigned long i; |
| 3374 | |
| 3375 | if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) |
| 3376 | return; |
| 3377 | |
| 3378 | mlx5_esw_for_each_vport(esw, i, vport) |
| 3379 | esw_offloads_vport_metadata_cleanup(esw, vport); |
| 3380 | } |
| 3381 | |
| 3382 | static int esw_offloads_metadata_init(struct mlx5_eswitch *esw) |
| 3383 | { |
| 3384 | struct mlx5_vport *vport; |
| 3385 | unsigned long i; |
| 3386 | int err; |
| 3387 | |
| 3388 | if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) |
| 3389 | return 0; |
| 3390 | |
| 3391 | mlx5_esw_for_each_vport(esw, i, vport) { |
| 3392 | err = esw_offloads_vport_metadata_setup(esw, vport); |
| 3393 | if (err) |
| 3394 | goto metadata_err; |
| 3395 | } |
| 3396 | |
| 3397 | return 0; |
| 3398 | |
| 3399 | metadata_err: |
| 3400 | esw_offloads_metadata_uninit(esw); |
| 3401 | return err; |
| 3402 | } |
| 3403 | |
| 3404 | int |
| 3405 | esw_vport_create_offloads_acl_tables(struct mlx5_eswitch *esw, |
| 3406 | struct mlx5_vport *vport) |
| 3407 | { |
| 3408 | int err; |
| 3409 | |
| 3410 | err = esw_acl_ingress_ofld_setup(esw, vport); |
| 3411 | if (err) |
| 3412 | return err; |
| 3413 | |
| 3414 | err = esw_acl_egress_ofld_setup(esw, vport); |
| 3415 | if (err) |
| 3416 | goto egress_err; |
| 3417 | |
| 3418 | return 0; |
| 3419 | |
| 3420 | egress_err: |
| 3421 | esw_acl_ingress_ofld_cleanup(esw, vport); |
| 3422 | return err; |
| 3423 | } |
| 3424 | |
| 3425 | void |
| 3426 | esw_vport_destroy_offloads_acl_tables(struct mlx5_eswitch *esw, |
| 3427 | struct mlx5_vport *vport) |
| 3428 | { |
| 3429 | esw_acl_egress_ofld_cleanup(vport); |
| 3430 | esw_acl_ingress_ofld_cleanup(esw, vport); |
| 3431 | } |
| 3432 | |
| 3433 | static int esw_create_offloads_acl_tables(struct mlx5_eswitch *esw) |
| 3434 | { |
| 3435 | struct mlx5_vport *uplink, *manager; |
| 3436 | int ret; |
| 3437 | |
| 3438 | uplink = mlx5_eswitch_get_vport(esw, vport_num: MLX5_VPORT_UPLINK); |
| 3439 | if (IS_ERR(ptr: uplink)) |
| 3440 | return PTR_ERR(ptr: uplink); |
| 3441 | |
| 3442 | ret = esw_vport_create_offloads_acl_tables(esw, vport: uplink); |
| 3443 | if (ret) |
| 3444 | return ret; |
| 3445 | |
| 3446 | manager = mlx5_eswitch_get_vport(esw, vport_num: esw->manager_vport); |
| 3447 | if (IS_ERR(ptr: manager)) { |
| 3448 | ret = PTR_ERR(ptr: manager); |
| 3449 | goto err_manager; |
| 3450 | } |
| 3451 | |
| 3452 | ret = esw_vport_create_offloads_acl_tables(esw, vport: manager); |
| 3453 | if (ret) |
| 3454 | goto err_manager; |
| 3455 | |
| 3456 | return 0; |
| 3457 | |
| 3458 | err_manager: |
| 3459 | esw_vport_destroy_offloads_acl_tables(esw, vport: uplink); |
| 3460 | return ret; |
| 3461 | } |
| 3462 | |
| 3463 | static void esw_destroy_offloads_acl_tables(struct mlx5_eswitch *esw) |
| 3464 | { |
| 3465 | struct mlx5_vport *vport; |
| 3466 | |
| 3467 | vport = mlx5_eswitch_get_vport(esw, vport_num: esw->manager_vport); |
| 3468 | if (!IS_ERR(ptr: vport)) |
| 3469 | esw_vport_destroy_offloads_acl_tables(esw, vport); |
| 3470 | |
| 3471 | vport = mlx5_eswitch_get_vport(esw, vport_num: MLX5_VPORT_UPLINK); |
| 3472 | if (!IS_ERR(ptr: vport)) |
| 3473 | esw_vport_destroy_offloads_acl_tables(esw, vport); |
| 3474 | } |
| 3475 | |
| 3476 | int mlx5_eswitch_reload_ib_reps(struct mlx5_eswitch *esw) |
| 3477 | { |
| 3478 | struct mlx5_eswitch_rep *rep; |
| 3479 | unsigned long i; |
| 3480 | int ret; |
| 3481 | |
| 3482 | if (!esw || esw->mode != MLX5_ESWITCH_OFFLOADS) |
| 3483 | return 0; |
| 3484 | |
| 3485 | rep = mlx5_eswitch_get_rep(esw, vport_num: MLX5_VPORT_UPLINK); |
| 3486 | if (atomic_read(v: &rep->rep_data[REP_ETH].state) != REP_LOADED) |
| 3487 | return 0; |
| 3488 | |
| 3489 | ret = __esw_offloads_load_rep(esw, rep, rep_type: REP_IB); |
| 3490 | if (ret) |
| 3491 | return ret; |
| 3492 | |
| 3493 | mlx5_esw_for_each_rep(esw, i, rep) { |
| 3494 | if (atomic_read(v: &rep->rep_data[REP_ETH].state) == REP_LOADED) |
| 3495 | __esw_offloads_load_rep(esw, rep, rep_type: REP_IB); |
| 3496 | } |
| 3497 | |
| 3498 | return 0; |
| 3499 | } |
| 3500 | |
| 3501 | static int esw_offloads_steering_init(struct mlx5_eswitch *esw) |
| 3502 | { |
| 3503 | struct mlx5_esw_indir_table *indir; |
| 3504 | int err; |
| 3505 | |
| 3506 | memset(&esw->fdb_table.offloads, 0, sizeof(struct offloads_fdb)); |
| 3507 | mutex_init(&esw->fdb_table.offloads.vports.lock); |
| 3508 | hash_init(esw->fdb_table.offloads.vports.table); |
| 3509 | atomic64_set(v: &esw->user_count, i: 0); |
| 3510 | |
| 3511 | indir = mlx5_esw_indir_table_init(); |
| 3512 | if (IS_ERR(ptr: indir)) { |
| 3513 | err = PTR_ERR(ptr: indir); |
| 3514 | goto create_indir_err; |
| 3515 | } |
| 3516 | esw->fdb_table.offloads.indir = indir; |
| 3517 | |
| 3518 | err = esw_create_offloads_acl_tables(esw); |
| 3519 | if (err) |
| 3520 | goto create_acl_err; |
| 3521 | |
| 3522 | err = esw_create_offloads_table(esw); |
| 3523 | if (err) |
| 3524 | goto create_offloads_err; |
| 3525 | |
| 3526 | err = esw_create_restore_table(esw); |
| 3527 | if (err) |
| 3528 | goto create_restore_err; |
| 3529 | |
| 3530 | err = esw_create_offloads_fdb_tables(esw); |
| 3531 | if (err) |
| 3532 | goto create_fdb_err; |
| 3533 | |
| 3534 | err = esw_create_vport_rx_group(esw); |
| 3535 | if (err) |
| 3536 | goto create_fg_err; |
| 3537 | |
| 3538 | err = esw_create_vport_rx_drop_group(esw); |
| 3539 | if (err) |
| 3540 | goto create_rx_drop_fg_err; |
| 3541 | |
| 3542 | err = esw_create_vport_rx_drop_rule(esw); |
| 3543 | if (err) |
| 3544 | goto create_rx_drop_rule_err; |
| 3545 | |
| 3546 | return 0; |
| 3547 | |
| 3548 | create_rx_drop_rule_err: |
| 3549 | esw_destroy_vport_rx_drop_group(esw); |
| 3550 | create_rx_drop_fg_err: |
| 3551 | esw_destroy_vport_rx_group(esw); |
| 3552 | create_fg_err: |
| 3553 | esw_destroy_offloads_fdb_tables(esw); |
| 3554 | create_fdb_err: |
| 3555 | esw_destroy_restore_table(esw); |
| 3556 | create_restore_err: |
| 3557 | esw_destroy_offloads_table(esw); |
| 3558 | create_offloads_err: |
| 3559 | esw_destroy_offloads_acl_tables(esw); |
| 3560 | create_acl_err: |
| 3561 | mlx5_esw_indir_table_destroy(indir: esw->fdb_table.offloads.indir); |
| 3562 | create_indir_err: |
| 3563 | mutex_destroy(lock: &esw->fdb_table.offloads.vports.lock); |
| 3564 | return err; |
| 3565 | } |
| 3566 | |
| 3567 | static void esw_offloads_steering_cleanup(struct mlx5_eswitch *esw) |
| 3568 | { |
| 3569 | mlx5_esw_fdb_drop_destroy(esw); |
| 3570 | if (esw->fdb_table.offloads.drop_root_fc) |
| 3571 | mlx5_fc_destroy(dev: esw->dev, counter: esw->fdb_table.offloads.drop_root_fc); |
| 3572 | esw->fdb_table.offloads.drop_root_fc = NULL; |
| 3573 | esw_destroy_vport_rx_drop_rule(esw); |
| 3574 | esw_destroy_vport_rx_drop_group(esw); |
| 3575 | esw_destroy_vport_rx_group(esw); |
| 3576 | esw_destroy_offloads_fdb_tables(esw); |
| 3577 | esw_destroy_restore_table(esw); |
| 3578 | esw_destroy_offloads_table(esw); |
| 3579 | esw_destroy_offloads_acl_tables(esw); |
| 3580 | mlx5_esw_indir_table_destroy(indir: esw->fdb_table.offloads.indir); |
| 3581 | mutex_destroy(lock: &esw->fdb_table.offloads.vports.lock); |
| 3582 | } |
| 3583 | |
| 3584 | static void |
| 3585 | esw_vfs_changed_event_handler(struct mlx5_eswitch *esw, const u32 *out) |
| 3586 | { |
| 3587 | struct devlink *devlink; |
| 3588 | bool host_pf_disabled; |
| 3589 | u16 new_num_vfs; |
| 3590 | |
| 3591 | new_num_vfs = MLX5_GET(query_esw_functions_out, out, |
| 3592 | host_params_context.host_num_of_vfs); |
| 3593 | host_pf_disabled = MLX5_GET(query_esw_functions_out, out, |
| 3594 | host_params_context.host_pf_disabled); |
| 3595 | |
| 3596 | if (new_num_vfs == esw->esw_funcs.num_vfs || host_pf_disabled) |
| 3597 | return; |
| 3598 | |
| 3599 | devlink = priv_to_devlink(priv: esw->dev); |
| 3600 | devl_lock(devlink); |
| 3601 | /* Number of VFs can only change from "0 to x" or "x to 0". */ |
| 3602 | if (esw->esw_funcs.num_vfs > 0) { |
| 3603 | mlx5_eswitch_unload_vf_vports(esw, num_vfs: esw->esw_funcs.num_vfs); |
| 3604 | } else { |
| 3605 | int err; |
| 3606 | |
| 3607 | err = mlx5_eswitch_load_vf_vports(esw, num_vfs: new_num_vfs, |
| 3608 | enabled_events: MLX5_VPORT_UC_ADDR_CHANGE); |
| 3609 | if (err) { |
| 3610 | devl_unlock(devlink); |
| 3611 | return; |
| 3612 | } |
| 3613 | } |
| 3614 | esw->esw_funcs.num_vfs = new_num_vfs; |
| 3615 | devl_unlock(devlink); |
| 3616 | } |
| 3617 | |
| 3618 | static void esw_functions_changed_event_handler(struct work_struct *work) |
| 3619 | { |
| 3620 | struct mlx5_host_work *host_work; |
| 3621 | struct mlx5_eswitch *esw; |
| 3622 | const u32 *out; |
| 3623 | |
| 3624 | host_work = container_of(work, struct mlx5_host_work, work); |
| 3625 | esw = host_work->esw; |
| 3626 | |
| 3627 | out = mlx5_esw_query_functions(dev: esw->dev); |
| 3628 | if (IS_ERR(ptr: out)) |
| 3629 | goto out; |
| 3630 | |
| 3631 | esw_vfs_changed_event_handler(esw, out); |
| 3632 | kvfree(addr: out); |
| 3633 | out: |
| 3634 | kfree(objp: host_work); |
| 3635 | } |
| 3636 | |
| 3637 | int mlx5_esw_funcs_changed_handler(struct notifier_block *nb, unsigned long type, void *data) |
| 3638 | { |
| 3639 | struct mlx5_esw_functions *esw_funcs; |
| 3640 | struct mlx5_host_work *host_work; |
| 3641 | struct mlx5_eswitch *esw; |
| 3642 | |
| 3643 | host_work = kzalloc(sizeof(*host_work), GFP_ATOMIC); |
| 3644 | if (!host_work) |
| 3645 | return NOTIFY_DONE; |
| 3646 | |
| 3647 | esw_funcs = mlx5_nb_cof(nb, struct mlx5_esw_functions, nb); |
| 3648 | esw = container_of(esw_funcs, struct mlx5_eswitch, esw_funcs); |
| 3649 | |
| 3650 | host_work->esw = esw; |
| 3651 | |
| 3652 | INIT_WORK(&host_work->work, esw_functions_changed_event_handler); |
| 3653 | queue_work(wq: esw->work_queue, work: &host_work->work); |
| 3654 | |
| 3655 | return NOTIFY_OK; |
| 3656 | } |
| 3657 | |
| 3658 | static int mlx5_esw_host_number_init(struct mlx5_eswitch *esw) |
| 3659 | { |
| 3660 | const u32 *query_host_out; |
| 3661 | |
| 3662 | if (!mlx5_core_is_ecpf_esw_manager(dev: esw->dev)) |
| 3663 | return 0; |
| 3664 | |
| 3665 | query_host_out = mlx5_esw_query_functions(dev: esw->dev); |
| 3666 | if (IS_ERR(ptr: query_host_out)) |
| 3667 | return PTR_ERR(ptr: query_host_out); |
| 3668 | |
| 3669 | /* Mark non local controller with non zero controller number. */ |
| 3670 | esw->offloads.host_number = MLX5_GET(query_esw_functions_out, query_host_out, |
| 3671 | host_params_context.host_number); |
| 3672 | kvfree(addr: query_host_out); |
| 3673 | return 0; |
| 3674 | } |
| 3675 | |
| 3676 | bool mlx5_esw_offloads_controller_valid(const struct mlx5_eswitch *esw, u32 controller) |
| 3677 | { |
| 3678 | /* Local controller is always valid */ |
| 3679 | if (controller == 0) |
| 3680 | return true; |
| 3681 | |
| 3682 | if (!mlx5_core_is_ecpf_esw_manager(dev: esw->dev)) |
| 3683 | return false; |
| 3684 | |
| 3685 | /* External host number starts with zero in device */ |
| 3686 | return (controller == esw->offloads.host_number + 1); |
| 3687 | } |
| 3688 | |
| 3689 | int esw_offloads_enable(struct mlx5_eswitch *esw) |
| 3690 | { |
| 3691 | u8 mapping_id[MLX5_SW_IMAGE_GUID_MAX_BYTES]; |
| 3692 | struct mapping_ctx *reg_c0_obj_pool; |
| 3693 | struct mlx5_vport *vport; |
| 3694 | unsigned long i; |
| 3695 | u8 id_len; |
| 3696 | int err; |
| 3697 | |
| 3698 | mutex_init(&esw->offloads.termtbl_mutex); |
| 3699 | mlx5_esw_adjacent_vhcas_setup(esw); |
| 3700 | |
| 3701 | err = mlx5_rdma_enable_roce(dev: esw->dev); |
| 3702 | if (err) |
| 3703 | goto err_roce; |
| 3704 | |
| 3705 | err = mlx5_esw_host_number_init(esw); |
| 3706 | if (err) |
| 3707 | goto err_metadata; |
| 3708 | |
| 3709 | err = esw_offloads_metadata_init(esw); |
| 3710 | if (err) |
| 3711 | goto err_metadata; |
| 3712 | |
| 3713 | err = esw_set_passing_vport_metadata(esw, enable: true); |
| 3714 | if (err) |
| 3715 | goto err_vport_metadata; |
| 3716 | |
| 3717 | mlx5_query_nic_sw_system_image_guid(mdev: esw->dev, buf: mapping_id, len: &id_len); |
| 3718 | |
| 3719 | reg_c0_obj_pool = mapping_create_for_id(id: mapping_id, id_len, |
| 3720 | type: MAPPING_TYPE_CHAIN, |
| 3721 | data_size: sizeof(struct mlx5_mapped_obj), |
| 3722 | ESW_REG_C0_USER_DATA_METADATA_MASK, |
| 3723 | delayed_removal: true); |
| 3724 | |
| 3725 | if (IS_ERR(ptr: reg_c0_obj_pool)) { |
| 3726 | err = PTR_ERR(ptr: reg_c0_obj_pool); |
| 3727 | goto err_pool; |
| 3728 | } |
| 3729 | esw->offloads.reg_c0_obj_pool = reg_c0_obj_pool; |
| 3730 | |
| 3731 | err = esw_offloads_steering_init(esw); |
| 3732 | if (err) |
| 3733 | goto err_steering_init; |
| 3734 | |
| 3735 | if (esw->offloads_inactive) |
| 3736 | mlx5_esw_fdb_inactive(esw); |
| 3737 | else |
| 3738 | mlx5_esw_fdb_active(esw); |
| 3739 | |
| 3740 | /* Representor will control the vport link state */ |
| 3741 | mlx5_esw_for_each_vf_vport(esw, i, vport, esw->esw_funcs.num_vfs) |
| 3742 | vport->info.link_state = MLX5_VPORT_ADMIN_STATE_DOWN; |
| 3743 | if (mlx5_core_ec_sriov_enabled(dev: esw->dev)) |
| 3744 | mlx5_esw_for_each_ec_vf_vport(esw, i, vport, esw->esw_funcs.num_ec_vfs) |
| 3745 | vport->info.link_state = MLX5_VPORT_ADMIN_STATE_DOWN; |
| 3746 | |
| 3747 | /* Uplink vport rep must load first. */ |
| 3748 | err = mlx5_esw_offloads_rep_load(esw, vport_num: MLX5_VPORT_UPLINK); |
| 3749 | if (err) |
| 3750 | goto err_uplink; |
| 3751 | |
| 3752 | err = mlx5_eswitch_enable_pf_vf_vports(esw, enabled_events: MLX5_VPORT_UC_ADDR_CHANGE); |
| 3753 | if (err) |
| 3754 | goto err_vports; |
| 3755 | |
| 3756 | return 0; |
| 3757 | |
| 3758 | err_vports: |
| 3759 | mlx5_esw_offloads_rep_unload(esw, vport_num: MLX5_VPORT_UPLINK); |
| 3760 | err_uplink: |
| 3761 | esw_offloads_steering_cleanup(esw); |
| 3762 | err_steering_init: |
| 3763 | mapping_destroy(ctx: reg_c0_obj_pool); |
| 3764 | err_pool: |
| 3765 | esw_set_passing_vport_metadata(esw, enable: false); |
| 3766 | err_vport_metadata: |
| 3767 | esw_offloads_metadata_uninit(esw); |
| 3768 | err_metadata: |
| 3769 | mlx5_rdma_disable_roce(dev: esw->dev); |
| 3770 | err_roce: |
| 3771 | mlx5_esw_adjacent_vhcas_cleanup(esw); |
| 3772 | mutex_destroy(lock: &esw->offloads.termtbl_mutex); |
| 3773 | return err; |
| 3774 | } |
| 3775 | |
| 3776 | static int esw_offloads_stop(struct mlx5_eswitch *esw, |
| 3777 | struct netlink_ext_ack *extack) |
| 3778 | { |
| 3779 | int err; |
| 3780 | |
| 3781 | esw_mode_change(esw, mode: MLX5_ESWITCH_LEGACY); |
| 3782 | |
| 3783 | /* If changing from switchdev to legacy mode without sriov enabled, |
| 3784 | * no need to create legacy fdb. |
| 3785 | */ |
| 3786 | if (!mlx5_core_is_pf(dev: esw->dev) || !mlx5_sriov_is_enabled(dev: esw->dev)) |
| 3787 | return 0; |
| 3788 | |
| 3789 | err = mlx5_eswitch_enable_locked(esw, MLX5_ESWITCH_IGNORE_NUM_VFS); |
| 3790 | if (err) |
| 3791 | NL_SET_ERR_MSG_MOD(extack, "Failed setting eswitch to legacy" ); |
| 3792 | |
| 3793 | return err; |
| 3794 | } |
| 3795 | |
| 3796 | void esw_offloads_disable(struct mlx5_eswitch *esw) |
| 3797 | { |
| 3798 | mlx5_eswitch_disable_pf_vf_vports(esw); |
| 3799 | mlx5_esw_offloads_rep_unload(esw, vport_num: MLX5_VPORT_UPLINK); |
| 3800 | esw_set_passing_vport_metadata(esw, enable: false); |
| 3801 | esw_offloads_steering_cleanup(esw); |
| 3802 | mapping_destroy(ctx: esw->offloads.reg_c0_obj_pool); |
| 3803 | esw_offloads_metadata_uninit(esw); |
| 3804 | mlx5_rdma_disable_roce(dev: esw->dev); |
| 3805 | mlx5_esw_adjacent_vhcas_cleanup(esw); |
| 3806 | /* must be done after vhcas cleanup to avoid adjacent vports connect */ |
| 3807 | if (esw->offloads_inactive) |
| 3808 | mlx5_esw_fdb_active(esw); /* legacy mode always active */ |
| 3809 | mutex_destroy(lock: &esw->offloads.termtbl_mutex); |
| 3810 | } |
| 3811 | |
| 3812 | static int esw_mode_from_devlink(u16 mode, u16 *mlx5_mode) |
| 3813 | { |
| 3814 | switch (mode) { |
| 3815 | case DEVLINK_ESWITCH_MODE_LEGACY: |
| 3816 | *mlx5_mode = MLX5_ESWITCH_LEGACY; |
| 3817 | break; |
| 3818 | case DEVLINK_ESWITCH_MODE_SWITCHDEV: |
| 3819 | case DEVLINK_ESWITCH_MODE_SWITCHDEV_INACTIVE: |
| 3820 | *mlx5_mode = MLX5_ESWITCH_OFFLOADS; |
| 3821 | break; |
| 3822 | default: |
| 3823 | return -EINVAL; |
| 3824 | } |
| 3825 | |
| 3826 | return 0; |
| 3827 | } |
| 3828 | |
| 3829 | static int esw_mode_to_devlink(struct mlx5_eswitch *esw, u16 *mode) |
| 3830 | { |
| 3831 | switch (esw->mode) { |
| 3832 | case MLX5_ESWITCH_LEGACY: |
| 3833 | *mode = DEVLINK_ESWITCH_MODE_LEGACY; |
| 3834 | break; |
| 3835 | case MLX5_ESWITCH_OFFLOADS: |
| 3836 | if (esw->offloads_inactive) |
| 3837 | *mode = DEVLINK_ESWITCH_MODE_SWITCHDEV_INACTIVE; |
| 3838 | else |
| 3839 | *mode = DEVLINK_ESWITCH_MODE_SWITCHDEV; |
| 3840 | break; |
| 3841 | default: |
| 3842 | return -EINVAL; |
| 3843 | } |
| 3844 | |
| 3845 | return 0; |
| 3846 | } |
| 3847 | |
| 3848 | static int esw_inline_mode_from_devlink(u8 mode, u8 *mlx5_mode) |
| 3849 | { |
| 3850 | switch (mode) { |
| 3851 | case DEVLINK_ESWITCH_INLINE_MODE_NONE: |
| 3852 | *mlx5_mode = MLX5_INLINE_MODE_NONE; |
| 3853 | break; |
| 3854 | case DEVLINK_ESWITCH_INLINE_MODE_LINK: |
| 3855 | *mlx5_mode = MLX5_INLINE_MODE_L2; |
| 3856 | break; |
| 3857 | case DEVLINK_ESWITCH_INLINE_MODE_NETWORK: |
| 3858 | *mlx5_mode = MLX5_INLINE_MODE_IP; |
| 3859 | break; |
| 3860 | case DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT: |
| 3861 | *mlx5_mode = MLX5_INLINE_MODE_TCP_UDP; |
| 3862 | break; |
| 3863 | default: |
| 3864 | return -EINVAL; |
| 3865 | } |
| 3866 | |
| 3867 | return 0; |
| 3868 | } |
| 3869 | |
| 3870 | static int esw_inline_mode_to_devlink(u8 mlx5_mode, u8 *mode) |
| 3871 | { |
| 3872 | switch (mlx5_mode) { |
| 3873 | case MLX5_INLINE_MODE_NONE: |
| 3874 | *mode = DEVLINK_ESWITCH_INLINE_MODE_NONE; |
| 3875 | break; |
| 3876 | case MLX5_INLINE_MODE_L2: |
| 3877 | *mode = DEVLINK_ESWITCH_INLINE_MODE_LINK; |
| 3878 | break; |
| 3879 | case MLX5_INLINE_MODE_IP: |
| 3880 | *mode = DEVLINK_ESWITCH_INLINE_MODE_NETWORK; |
| 3881 | break; |
| 3882 | case MLX5_INLINE_MODE_TCP_UDP: |
| 3883 | *mode = DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT; |
| 3884 | break; |
| 3885 | default: |
| 3886 | return -EINVAL; |
| 3887 | } |
| 3888 | |
| 3889 | return 0; |
| 3890 | } |
| 3891 | |
| 3892 | int mlx5_eswitch_block_mode(struct mlx5_core_dev *dev) |
| 3893 | { |
| 3894 | struct mlx5_eswitch *esw = dev->priv.eswitch; |
| 3895 | int err; |
| 3896 | |
| 3897 | if (!mlx5_esw_allowed(esw)) |
| 3898 | return 0; |
| 3899 | |
| 3900 | /* Take TC into account */ |
| 3901 | err = mlx5_esw_try_lock(esw); |
| 3902 | if (err < 0) |
| 3903 | return err; |
| 3904 | |
| 3905 | esw->offloads.num_block_mode++; |
| 3906 | mlx5_esw_unlock(esw); |
| 3907 | return 0; |
| 3908 | } |
| 3909 | |
| 3910 | void mlx5_eswitch_unblock_mode(struct mlx5_core_dev *dev) |
| 3911 | { |
| 3912 | struct mlx5_eswitch *esw = dev->priv.eswitch; |
| 3913 | |
| 3914 | if (!mlx5_esw_allowed(esw)) |
| 3915 | return; |
| 3916 | |
| 3917 | down_write(sem: &esw->mode_lock); |
| 3918 | esw->offloads.num_block_mode--; |
| 3919 | up_write(sem: &esw->mode_lock); |
| 3920 | } |
| 3921 | |
| 3922 | /* Returns false only when uplink netdev exists and its netns is different from |
| 3923 | * devlink's netns. True for all others so entering switchdev mode is allowed. |
| 3924 | */ |
| 3925 | static bool mlx5_devlink_netdev_netns_immutable_set(struct devlink *devlink, |
| 3926 | bool immutable) |
| 3927 | { |
| 3928 | struct mlx5_core_dev *mdev = devlink_priv(devlink); |
| 3929 | struct net_device *netdev; |
| 3930 | bool ret; |
| 3931 | |
| 3932 | netdev = mlx5_uplink_netdev_get(mdev); |
| 3933 | if (!netdev) |
| 3934 | return true; |
| 3935 | |
| 3936 | rtnl_lock(); |
| 3937 | netdev->netns_immutable = immutable; |
| 3938 | ret = net_eq(net1: dev_net(dev: netdev), net2: devlink_net(devlink)); |
| 3939 | rtnl_unlock(); |
| 3940 | |
| 3941 | mlx5_uplink_netdev_put(mdev, netdev); |
| 3942 | return ret; |
| 3943 | } |
| 3944 | |
| 3945 | /* Returns true when only changing between active and inactive switchdev mode */ |
| 3946 | static bool mlx5_devlink_switchdev_active_mode_change(struct mlx5_eswitch *esw, |
| 3947 | u16 devlink_mode) |
| 3948 | { |
| 3949 | /* current mode is not switchdev */ |
| 3950 | if (esw->mode != MLX5_ESWITCH_OFFLOADS) |
| 3951 | return false; |
| 3952 | |
| 3953 | /* new mode is not switchdev */ |
| 3954 | if (devlink_mode != DEVLINK_ESWITCH_MODE_SWITCHDEV && |
| 3955 | devlink_mode != DEVLINK_ESWITCH_MODE_SWITCHDEV_INACTIVE) |
| 3956 | return false; |
| 3957 | |
| 3958 | /* already inactive: no change in current state */ |
| 3959 | if (devlink_mode == DEVLINK_ESWITCH_MODE_SWITCHDEV_INACTIVE && |
| 3960 | esw->offloads_inactive) |
| 3961 | return false; |
| 3962 | |
| 3963 | /* already active: no change in current state */ |
| 3964 | if (devlink_mode == DEVLINK_ESWITCH_MODE_SWITCHDEV && |
| 3965 | !esw->offloads_inactive) |
| 3966 | return false; |
| 3967 | |
| 3968 | down_write(sem: &esw->mode_lock); |
| 3969 | esw->offloads_inactive = !esw->offloads_inactive; |
| 3970 | esw->eswitch_operation_in_progress = true; |
| 3971 | up_write(sem: &esw->mode_lock); |
| 3972 | |
| 3973 | if (esw->offloads_inactive) |
| 3974 | mlx5_esw_fdb_inactive(esw); |
| 3975 | else |
| 3976 | mlx5_esw_fdb_active(esw); |
| 3977 | |
| 3978 | down_write(sem: &esw->mode_lock); |
| 3979 | esw->eswitch_operation_in_progress = false; |
| 3980 | up_write(sem: &esw->mode_lock); |
| 3981 | return true; |
| 3982 | } |
| 3983 | |
| 3984 | #define MLX5_ESW_HOLD_TIMEOUT_MS 7000 |
| 3985 | #define MLX5_ESW_HOLD_RETRY_DELAY_MS 500 |
| 3986 | |
| 3987 | void mlx5_eswitch_safe_aux_devs_remove(struct mlx5_core_dev *dev) |
| 3988 | { |
| 3989 | unsigned long timeout; |
| 3990 | bool hold_esw = true; |
| 3991 | |
| 3992 | /* Wait for any concurrent eswitch mode transition to complete. */ |
| 3993 | if (!mlx5_esw_hold(dev)) { |
| 3994 | timeout = jiffies + msecs_to_jiffies(MLX5_ESW_HOLD_TIMEOUT_MS); |
| 3995 | while (!mlx5_esw_hold(dev)) { |
| 3996 | if (!time_before(jiffies, timeout)) { |
| 3997 | hold_esw = false; |
| 3998 | break; |
| 3999 | } |
| 4000 | msleep(MLX5_ESW_HOLD_RETRY_DELAY_MS); |
| 4001 | } |
| 4002 | } |
| 4003 | if (hold_esw) { |
| 4004 | if (mlx5_eswitch_mode(dev) == MLX5_ESWITCH_OFFLOADS) |
| 4005 | mlx5_core_reps_aux_devs_remove(dev); |
| 4006 | mlx5_esw_release(dev); |
| 4007 | } |
| 4008 | } |
| 4009 | |
| 4010 | int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode, |
| 4011 | struct netlink_ext_ack *extack) |
| 4012 | { |
| 4013 | u16 cur_mlx5_mode, mlx5_mode = 0; |
| 4014 | struct mlx5_eswitch *esw; |
| 4015 | int err = 0; |
| 4016 | |
| 4017 | esw = mlx5_devlink_eswitch_get(devlink); |
| 4018 | if (IS_ERR(ptr: esw)) |
| 4019 | return PTR_ERR(ptr: esw); |
| 4020 | |
| 4021 | if (mlx5_fw_reset_in_progress(dev: esw->dev)) { |
| 4022 | NL_SET_ERR_MSG_MOD(extack, "Can't change eswitch mode during firmware reset" ); |
| 4023 | return -EBUSY; |
| 4024 | } |
| 4025 | |
| 4026 | if (esw_mode_from_devlink(mode, mlx5_mode: &mlx5_mode)) |
| 4027 | return -EINVAL; |
| 4028 | |
| 4029 | if (mlx5_mode == MLX5_ESWITCH_OFFLOADS && mlx5_get_sd(dev: esw->dev)) { |
| 4030 | NL_SET_ERR_MSG_MOD(extack, |
| 4031 | "Can't change E-Switch mode to switchdev when multi-PF netdev (Socket Direct) is configured." ); |
| 4032 | return -EPERM; |
| 4033 | } |
| 4034 | |
| 4035 | /* Avoid try_lock, active/inactive mode change is not restricted */ |
| 4036 | if (mlx5_devlink_switchdev_active_mode_change(esw, devlink_mode: mode)) |
| 4037 | return 0; |
| 4038 | |
| 4039 | mlx5_lag_disable_change(dev: esw->dev); |
| 4040 | err = mlx5_esw_try_lock(esw); |
| 4041 | if (err < 0) { |
| 4042 | NL_SET_ERR_MSG_MOD(extack, "Can't change mode, E-Switch is busy" ); |
| 4043 | goto enable_lag; |
| 4044 | } |
| 4045 | cur_mlx5_mode = err; |
| 4046 | err = 0; |
| 4047 | |
| 4048 | if (cur_mlx5_mode == mlx5_mode) |
| 4049 | goto unlock; |
| 4050 | |
| 4051 | if (esw->offloads.num_block_mode) { |
| 4052 | NL_SET_ERR_MSG_MOD(extack, |
| 4053 | "Can't change eswitch mode when IPsec SA and/or policies are configured" ); |
| 4054 | err = -EOPNOTSUPP; |
| 4055 | goto unlock; |
| 4056 | } |
| 4057 | |
| 4058 | esw->eswitch_operation_in_progress = true; |
| 4059 | up_write(sem: &esw->mode_lock); |
| 4060 | |
| 4061 | if (mlx5_mode == MLX5_ESWITCH_OFFLOADS && |
| 4062 | !mlx5_devlink_netdev_netns_immutable_set(devlink, immutable: true)) { |
| 4063 | NL_SET_ERR_MSG_MOD(extack, |
| 4064 | "Can't change E-Switch mode to switchdev when netdev net namespace has diverged from the devlink's." ); |
| 4065 | err = -EINVAL; |
| 4066 | goto skip; |
| 4067 | } |
| 4068 | |
| 4069 | if (mlx5_mode == MLX5_ESWITCH_LEGACY) |
| 4070 | esw->dev->priv.flags |= MLX5_PRIV_FLAGS_SWITCH_LEGACY; |
| 4071 | mlx5_eswitch_disable_locked(esw); |
| 4072 | if (mlx5_mode == MLX5_ESWITCH_OFFLOADS) { |
| 4073 | if (mlx5_devlink_trap_get_num_active(dev: esw->dev)) { |
| 4074 | NL_SET_ERR_MSG_MOD(extack, |
| 4075 | "Can't change mode while devlink traps are active" ); |
| 4076 | err = -EOPNOTSUPP; |
| 4077 | goto skip; |
| 4078 | } |
| 4079 | esw->offloads_inactive = |
| 4080 | (mode == DEVLINK_ESWITCH_MODE_SWITCHDEV_INACTIVE); |
| 4081 | err = esw_offloads_start(esw, extack); |
| 4082 | } else if (mlx5_mode == MLX5_ESWITCH_LEGACY) { |
| 4083 | err = esw_offloads_stop(esw, extack); |
| 4084 | } else { |
| 4085 | err = -EINVAL; |
| 4086 | } |
| 4087 | |
| 4088 | skip: |
| 4089 | if (mlx5_mode == MLX5_ESWITCH_OFFLOADS && err) |
| 4090 | mlx5_devlink_netdev_netns_immutable_set(devlink, immutable: false); |
| 4091 | down_write(sem: &esw->mode_lock); |
| 4092 | esw->eswitch_operation_in_progress = false; |
| 4093 | unlock: |
| 4094 | mlx5_esw_unlock(esw); |
| 4095 | enable_lag: |
| 4096 | mlx5_lag_enable_change(dev: esw->dev); |
| 4097 | return err; |
| 4098 | } |
| 4099 | |
| 4100 | int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode) |
| 4101 | { |
| 4102 | struct mlx5_eswitch *esw; |
| 4103 | |
| 4104 | esw = mlx5_devlink_eswitch_get(devlink); |
| 4105 | if (IS_ERR(ptr: esw)) |
| 4106 | return PTR_ERR(ptr: esw); |
| 4107 | |
| 4108 | return esw_mode_to_devlink(esw, mode); |
| 4109 | } |
| 4110 | |
| 4111 | static int mlx5_esw_vports_inline_set(struct mlx5_eswitch *esw, u8 mlx5_mode, |
| 4112 | struct netlink_ext_ack *extack) |
| 4113 | { |
| 4114 | struct mlx5_core_dev *dev = esw->dev; |
| 4115 | struct mlx5_vport *vport; |
| 4116 | u16 err_vport_num = 0; |
| 4117 | unsigned long i; |
| 4118 | int err = 0; |
| 4119 | |
| 4120 | mlx5_esw_for_each_host_func_vport(esw, i, vport, esw->esw_funcs.num_vfs) { |
| 4121 | err = mlx5_modify_nic_vport_min_inline(mdev: dev, vport: vport->vport, min_inline: mlx5_mode); |
| 4122 | if (err) { |
| 4123 | err_vport_num = vport->vport; |
| 4124 | NL_SET_ERR_MSG_MOD(extack, |
| 4125 | "Failed to set min inline on vport" ); |
| 4126 | goto revert_inline_mode; |
| 4127 | } |
| 4128 | } |
| 4129 | if (mlx5_core_ec_sriov_enabled(dev: esw->dev)) { |
| 4130 | mlx5_esw_for_each_ec_vf_vport(esw, i, vport, esw->esw_funcs.num_ec_vfs) { |
| 4131 | err = mlx5_modify_nic_vport_min_inline(mdev: dev, vport: vport->vport, min_inline: mlx5_mode); |
| 4132 | if (err) { |
| 4133 | err_vport_num = vport->vport; |
| 4134 | NL_SET_ERR_MSG_MOD(extack, |
| 4135 | "Failed to set min inline on vport" ); |
| 4136 | goto revert_ec_vf_inline_mode; |
| 4137 | } |
| 4138 | } |
| 4139 | } |
| 4140 | return 0; |
| 4141 | |
| 4142 | revert_ec_vf_inline_mode: |
| 4143 | mlx5_esw_for_each_ec_vf_vport(esw, i, vport, esw->esw_funcs.num_ec_vfs) { |
| 4144 | if (vport->vport == err_vport_num) |
| 4145 | break; |
| 4146 | mlx5_modify_nic_vport_min_inline(mdev: dev, |
| 4147 | vport: vport->vport, |
| 4148 | min_inline: esw->offloads.inline_mode); |
| 4149 | } |
| 4150 | revert_inline_mode: |
| 4151 | mlx5_esw_for_each_host_func_vport(esw, i, vport, esw->esw_funcs.num_vfs) { |
| 4152 | if (vport->vport == err_vport_num) |
| 4153 | break; |
| 4154 | mlx5_modify_nic_vport_min_inline(mdev: dev, |
| 4155 | vport: vport->vport, |
| 4156 | min_inline: esw->offloads.inline_mode); |
| 4157 | } |
| 4158 | return err; |
| 4159 | } |
| 4160 | |
| 4161 | int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode, |
| 4162 | struct netlink_ext_ack *extack) |
| 4163 | { |
| 4164 | struct mlx5_core_dev *dev = devlink_priv(devlink); |
| 4165 | struct mlx5_eswitch *esw; |
| 4166 | u8 mlx5_mode; |
| 4167 | int err; |
| 4168 | |
| 4169 | esw = mlx5_devlink_eswitch_get(devlink); |
| 4170 | if (IS_ERR(ptr: esw)) |
| 4171 | return PTR_ERR(ptr: esw); |
| 4172 | |
| 4173 | down_write(sem: &esw->mode_lock); |
| 4174 | |
| 4175 | switch (MLX5_CAP_ETH(dev, wqe_inline_mode)) { |
| 4176 | case MLX5_CAP_INLINE_MODE_NOT_REQUIRED: |
| 4177 | if (mode == DEVLINK_ESWITCH_INLINE_MODE_NONE) { |
| 4178 | err = 0; |
| 4179 | goto out; |
| 4180 | } |
| 4181 | |
| 4182 | fallthrough; |
| 4183 | case MLX5_CAP_INLINE_MODE_L2: |
| 4184 | NL_SET_ERR_MSG_MOD(extack, "Inline mode can't be set" ); |
| 4185 | err = -EOPNOTSUPP; |
| 4186 | goto out; |
| 4187 | case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT: |
| 4188 | break; |
| 4189 | } |
| 4190 | |
| 4191 | if (atomic64_read(v: &esw->offloads.num_flows) > 0) { |
| 4192 | NL_SET_ERR_MSG_MOD(extack, |
| 4193 | "Can't set inline mode when flows are configured" ); |
| 4194 | err = -EOPNOTSUPP; |
| 4195 | goto out; |
| 4196 | } |
| 4197 | |
| 4198 | err = esw_inline_mode_from_devlink(mode, mlx5_mode: &mlx5_mode); |
| 4199 | if (err) |
| 4200 | goto out; |
| 4201 | |
| 4202 | esw->eswitch_operation_in_progress = true; |
| 4203 | up_write(sem: &esw->mode_lock); |
| 4204 | |
| 4205 | err = mlx5_esw_vports_inline_set(esw, mlx5_mode, extack); |
| 4206 | if (!err) |
| 4207 | esw->offloads.inline_mode = mlx5_mode; |
| 4208 | |
| 4209 | down_write(sem: &esw->mode_lock); |
| 4210 | esw->eswitch_operation_in_progress = false; |
| 4211 | up_write(sem: &esw->mode_lock); |
| 4212 | return 0; |
| 4213 | |
| 4214 | out: |
| 4215 | up_write(sem: &esw->mode_lock); |
| 4216 | return err; |
| 4217 | } |
| 4218 | |
| 4219 | int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode) |
| 4220 | { |
| 4221 | struct mlx5_eswitch *esw; |
| 4222 | |
| 4223 | esw = mlx5_devlink_eswitch_get(devlink); |
| 4224 | if (IS_ERR(ptr: esw)) |
| 4225 | return PTR_ERR(ptr: esw); |
| 4226 | |
| 4227 | return esw_inline_mode_to_devlink(mlx5_mode: esw->offloads.inline_mode, mode); |
| 4228 | } |
| 4229 | |
| 4230 | bool mlx5_eswitch_block_encap(struct mlx5_core_dev *dev, bool from_fdb) |
| 4231 | { |
| 4232 | struct mlx5_eswitch *esw = dev->priv.eswitch; |
| 4233 | enum devlink_eswitch_encap_mode encap; |
| 4234 | bool allow_tunnel = false; |
| 4235 | |
| 4236 | if (!mlx5_esw_allowed(esw)) |
| 4237 | return true; |
| 4238 | |
| 4239 | down_write(sem: &esw->mode_lock); |
| 4240 | encap = esw->offloads.encap; |
| 4241 | if (esw->mode == MLX5_ESWITCH_LEGACY || |
| 4242 | (encap == DEVLINK_ESWITCH_ENCAP_MODE_NONE && !from_fdb)) { |
| 4243 | allow_tunnel = true; |
| 4244 | esw->offloads.num_block_encap++; |
| 4245 | } |
| 4246 | up_write(sem: &esw->mode_lock); |
| 4247 | |
| 4248 | return allow_tunnel; |
| 4249 | } |
| 4250 | |
| 4251 | void mlx5_eswitch_unblock_encap(struct mlx5_core_dev *dev) |
| 4252 | { |
| 4253 | struct mlx5_eswitch *esw = dev->priv.eswitch; |
| 4254 | |
| 4255 | if (!mlx5_esw_allowed(esw)) |
| 4256 | return; |
| 4257 | |
| 4258 | down_write(sem: &esw->mode_lock); |
| 4259 | esw->offloads.num_block_encap--; |
| 4260 | up_write(sem: &esw->mode_lock); |
| 4261 | } |
| 4262 | |
| 4263 | int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, |
| 4264 | enum devlink_eswitch_encap_mode encap, |
| 4265 | struct netlink_ext_ack *extack) |
| 4266 | { |
| 4267 | struct mlx5_core_dev *dev = devlink_priv(devlink); |
| 4268 | struct mlx5_eswitch *esw; |
| 4269 | int err = 0; |
| 4270 | |
| 4271 | esw = mlx5_devlink_eswitch_get(devlink); |
| 4272 | if (IS_ERR(ptr: esw)) |
| 4273 | return PTR_ERR(ptr: esw); |
| 4274 | |
| 4275 | down_write(sem: &esw->mode_lock); |
| 4276 | |
| 4277 | if (encap != DEVLINK_ESWITCH_ENCAP_MODE_NONE && |
| 4278 | (!MLX5_CAP_ESW_FLOWTABLE_FDB(dev, reformat) || |
| 4279 | !MLX5_CAP_ESW_FLOWTABLE_FDB(dev, decap))) { |
| 4280 | err = -EOPNOTSUPP; |
| 4281 | goto unlock; |
| 4282 | } |
| 4283 | |
| 4284 | if (encap && encap != DEVLINK_ESWITCH_ENCAP_MODE_BASIC) { |
| 4285 | err = -EOPNOTSUPP; |
| 4286 | goto unlock; |
| 4287 | } |
| 4288 | |
| 4289 | if (esw->mode == MLX5_ESWITCH_LEGACY) { |
| 4290 | esw->offloads.encap = encap; |
| 4291 | goto unlock; |
| 4292 | } |
| 4293 | |
| 4294 | if (esw->offloads.encap == encap) |
| 4295 | goto unlock; |
| 4296 | |
| 4297 | if (atomic64_read(v: &esw->offloads.num_flows) > 0) { |
| 4298 | NL_SET_ERR_MSG_MOD(extack, |
| 4299 | "Can't set encapsulation when flows are configured" ); |
| 4300 | err = -EOPNOTSUPP; |
| 4301 | goto unlock; |
| 4302 | } |
| 4303 | |
| 4304 | if (esw->offloads.num_block_encap) { |
| 4305 | NL_SET_ERR_MSG_MOD(extack, |
| 4306 | "Can't set encapsulation when IPsec SA and/or policies are configured" ); |
| 4307 | err = -EOPNOTSUPP; |
| 4308 | goto unlock; |
| 4309 | } |
| 4310 | |
| 4311 | esw->eswitch_operation_in_progress = true; |
| 4312 | up_write(sem: &esw->mode_lock); |
| 4313 | |
| 4314 | esw_destroy_offloads_fdb_tables(esw); |
| 4315 | |
| 4316 | esw->offloads.encap = encap; |
| 4317 | |
| 4318 | err = esw_create_offloads_fdb_tables(esw); |
| 4319 | |
| 4320 | if (err) { |
| 4321 | NL_SET_ERR_MSG_MOD(extack, |
| 4322 | "Failed re-creating fast FDB table" ); |
| 4323 | esw->offloads.encap = !encap; |
| 4324 | (void)esw_create_offloads_fdb_tables(esw); |
| 4325 | } |
| 4326 | |
| 4327 | down_write(sem: &esw->mode_lock); |
| 4328 | esw->eswitch_operation_in_progress = false; |
| 4329 | |
| 4330 | unlock: |
| 4331 | up_write(sem: &esw->mode_lock); |
| 4332 | return err; |
| 4333 | } |
| 4334 | |
| 4335 | int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, |
| 4336 | enum devlink_eswitch_encap_mode *encap) |
| 4337 | { |
| 4338 | struct mlx5_eswitch *esw; |
| 4339 | |
| 4340 | esw = mlx5_devlink_eswitch_get(devlink); |
| 4341 | if (IS_ERR(ptr: esw)) |
| 4342 | return PTR_ERR(ptr: esw); |
| 4343 | |
| 4344 | *encap = esw->offloads.encap; |
| 4345 | return 0; |
| 4346 | } |
| 4347 | |
| 4348 | static bool |
| 4349 | mlx5_eswitch_vport_has_rep(const struct mlx5_eswitch *esw, u16 vport_num) |
| 4350 | { |
| 4351 | /* Currently, only ECPF based device has representor for host PF. */ |
| 4352 | if (vport_num == MLX5_VPORT_PF && |
| 4353 | (!mlx5_core_is_ecpf_esw_manager(dev: esw->dev) || |
| 4354 | !mlx5_esw_host_functions_enabled(dev: esw->dev))) |
| 4355 | return false; |
| 4356 | |
| 4357 | if (vport_num == MLX5_VPORT_ECPF && |
| 4358 | !mlx5_ecpf_vport_exists(dev: esw->dev)) |
| 4359 | return false; |
| 4360 | |
| 4361 | return true; |
| 4362 | } |
| 4363 | |
| 4364 | void mlx5_eswitch_register_vport_reps(struct mlx5_eswitch *esw, |
| 4365 | const struct mlx5_eswitch_rep_ops *ops, |
| 4366 | u8 rep_type) |
| 4367 | { |
| 4368 | struct mlx5_eswitch_rep_data *rep_data; |
| 4369 | struct mlx5_eswitch_rep *rep; |
| 4370 | unsigned long i; |
| 4371 | |
| 4372 | esw->offloads.rep_ops[rep_type] = ops; |
| 4373 | mlx5_esw_for_each_rep(esw, i, rep) { |
| 4374 | if (likely(mlx5_eswitch_vport_has_rep(esw, rep->vport))) { |
| 4375 | rep->esw = esw; |
| 4376 | rep_data = &rep->rep_data[rep_type]; |
| 4377 | atomic_set(v: &rep_data->state, i: REP_REGISTERED); |
| 4378 | } |
| 4379 | } |
| 4380 | } |
| 4381 | EXPORT_SYMBOL(mlx5_eswitch_register_vport_reps); |
| 4382 | |
| 4383 | void mlx5_eswitch_unregister_vport_reps(struct mlx5_eswitch *esw, u8 rep_type) |
| 4384 | { |
| 4385 | struct mlx5_eswitch_rep *rep; |
| 4386 | unsigned long i; |
| 4387 | |
| 4388 | if (esw->mode == MLX5_ESWITCH_OFFLOADS) |
| 4389 | __unload_reps_all_vport(esw, rep_type); |
| 4390 | |
| 4391 | mlx5_esw_for_each_rep(esw, i, rep) |
| 4392 | atomic_set(v: &rep->rep_data[rep_type].state, i: REP_UNREGISTERED); |
| 4393 | } |
| 4394 | EXPORT_SYMBOL(mlx5_eswitch_unregister_vport_reps); |
| 4395 | |
| 4396 | void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type) |
| 4397 | { |
| 4398 | struct mlx5_eswitch_rep *rep; |
| 4399 | |
| 4400 | rep = mlx5_eswitch_get_rep(esw, vport_num: MLX5_VPORT_UPLINK); |
| 4401 | return rep->rep_data[rep_type].priv; |
| 4402 | } |
| 4403 | |
| 4404 | void *mlx5_eswitch_get_proto_dev(struct mlx5_eswitch *esw, |
| 4405 | u16 vport, |
| 4406 | u8 rep_type) |
| 4407 | { |
| 4408 | struct mlx5_eswitch_rep *rep; |
| 4409 | |
| 4410 | rep = mlx5_eswitch_get_rep(esw, vport_num: vport); |
| 4411 | |
| 4412 | if (atomic_read(v: &rep->rep_data[rep_type].state) == REP_LOADED && |
| 4413 | esw->offloads.rep_ops[rep_type]->get_proto_dev) |
| 4414 | return esw->offloads.rep_ops[rep_type]->get_proto_dev(rep); |
| 4415 | return NULL; |
| 4416 | } |
| 4417 | EXPORT_SYMBOL(mlx5_eswitch_get_proto_dev); |
| 4418 | |
| 4419 | void *mlx5_eswitch_uplink_get_proto_dev(struct mlx5_eswitch *esw, u8 rep_type) |
| 4420 | { |
| 4421 | return mlx5_eswitch_get_proto_dev(esw, MLX5_VPORT_UPLINK, rep_type); |
| 4422 | } |
| 4423 | EXPORT_SYMBOL(mlx5_eswitch_uplink_get_proto_dev); |
| 4424 | |
| 4425 | struct mlx5_eswitch_rep *mlx5_eswitch_vport_rep(struct mlx5_eswitch *esw, |
| 4426 | u16 vport) |
| 4427 | { |
| 4428 | return mlx5_eswitch_get_rep(esw, vport_num: vport); |
| 4429 | } |
| 4430 | EXPORT_SYMBOL(mlx5_eswitch_vport_rep); |
| 4431 | |
| 4432 | bool mlx5_eswitch_reg_c1_loopback_enabled(const struct mlx5_eswitch *esw) |
| 4433 | { |
| 4434 | return !!(esw->flags & MLX5_ESWITCH_REG_C1_LOOPBACK_ENABLED); |
| 4435 | } |
| 4436 | EXPORT_SYMBOL(mlx5_eswitch_reg_c1_loopback_enabled); |
| 4437 | |
| 4438 | bool mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch *esw) |
| 4439 | { |
| 4440 | return !!(esw->flags & MLX5_ESWITCH_VPORT_MATCH_METADATA); |
| 4441 | } |
| 4442 | EXPORT_SYMBOL(mlx5_eswitch_vport_match_metadata_enabled); |
| 4443 | |
| 4444 | u32 mlx5_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw, |
| 4445 | u16 vport_num) |
| 4446 | { |
| 4447 | struct mlx5_vport *vport = mlx5_eswitch_get_vport(esw, vport_num); |
| 4448 | |
| 4449 | if (WARN_ON_ONCE(IS_ERR(vport))) |
| 4450 | return 0; |
| 4451 | |
| 4452 | return vport->metadata << (32 - ESW_SOURCE_PORT_METADATA_BITS); |
| 4453 | } |
| 4454 | EXPORT_SYMBOL(mlx5_eswitch_get_vport_metadata_for_match); |
| 4455 | |
| 4456 | int mlx5_esw_vport_vhca_id_map(struct mlx5_eswitch *esw, |
| 4457 | struct mlx5_vport *vport) |
| 4458 | { |
| 4459 | u16 *old_entry, *vhca_map_entry, vhca_id; |
| 4460 | |
| 4461 | if (WARN_ONCE(MLX5_VPORT_INVAL_VHCA_ID(vport), |
| 4462 | "vport %d vhca_id is not set" , vport->vport)) { |
| 4463 | int err; |
| 4464 | |
| 4465 | err = mlx5_vport_get_vhca_id(dev: vport->dev, vport: vport->vport, |
| 4466 | vhca_id: &vhca_id); |
| 4467 | if (err) |
| 4468 | return err; |
| 4469 | vport->vhca_id = vhca_id; |
| 4470 | } |
| 4471 | |
| 4472 | vhca_id = vport->vhca_id; |
| 4473 | vhca_map_entry = kmalloc(sizeof(*vhca_map_entry), GFP_KERNEL); |
| 4474 | if (!vhca_map_entry) |
| 4475 | return -ENOMEM; |
| 4476 | |
| 4477 | *vhca_map_entry = vport->vport; |
| 4478 | old_entry = xa_store(&esw->offloads.vhca_map, index: vhca_id, entry: vhca_map_entry, GFP_KERNEL); |
| 4479 | if (xa_is_err(entry: old_entry)) { |
| 4480 | kfree(objp: vhca_map_entry); |
| 4481 | return xa_err(entry: old_entry); |
| 4482 | } |
| 4483 | kfree(objp: old_entry); |
| 4484 | return 0; |
| 4485 | } |
| 4486 | |
| 4487 | void mlx5_esw_vport_vhca_id_unmap(struct mlx5_eswitch *esw, |
| 4488 | struct mlx5_vport *vport) |
| 4489 | { |
| 4490 | u16 *vhca_map_entry; |
| 4491 | |
| 4492 | vhca_map_entry = xa_erase(&esw->offloads.vhca_map, index: vport->vhca_id); |
| 4493 | kfree(objp: vhca_map_entry); |
| 4494 | } |
| 4495 | |
| 4496 | int mlx5_eswitch_vhca_id_to_vport(struct mlx5_eswitch *esw, u16 vhca_id, u16 *vport_num) |
| 4497 | { |
| 4498 | u16 *res = xa_load(&esw->offloads.vhca_map, index: vhca_id); |
| 4499 | |
| 4500 | if (!res) |
| 4501 | return -ENOENT; |
| 4502 | |
| 4503 | *vport_num = *res; |
| 4504 | return 0; |
| 4505 | } |
| 4506 | |
| 4507 | u32 mlx5_eswitch_get_vport_metadata_for_set(struct mlx5_eswitch *esw, |
| 4508 | u16 vport_num) |
| 4509 | { |
| 4510 | struct mlx5_vport *vport = mlx5_eswitch_get_vport(esw, vport_num); |
| 4511 | |
| 4512 | if (WARN_ON_ONCE(IS_ERR(vport))) |
| 4513 | return 0; |
| 4514 | |
| 4515 | return vport->metadata; |
| 4516 | } |
| 4517 | EXPORT_SYMBOL(mlx5_eswitch_get_vport_metadata_for_set); |
| 4518 | |
| 4519 | int mlx5_devlink_port_fn_hw_addr_get(struct devlink_port *port, |
| 4520 | u8 *hw_addr, int *hw_addr_len, |
| 4521 | struct netlink_ext_ack *extack) |
| 4522 | { |
| 4523 | struct mlx5_eswitch *esw = mlx5_devlink_eswitch_nocheck_get(devlink: port->devlink); |
| 4524 | struct mlx5_vport *vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4525 | |
| 4526 | mutex_lock(&esw->state_lock); |
| 4527 | |
| 4528 | mlx5_query_nic_vport_mac_address(mdev: esw->dev, vport: vport->vport, other: true, |
| 4529 | addr: vport->info.mac); |
| 4530 | ether_addr_copy(dst: hw_addr, src: vport->info.mac); |
| 4531 | *hw_addr_len = ETH_ALEN; |
| 4532 | mutex_unlock(lock: &esw->state_lock); |
| 4533 | return 0; |
| 4534 | } |
| 4535 | |
| 4536 | int mlx5_devlink_port_fn_hw_addr_set(struct devlink_port *port, |
| 4537 | const u8 *hw_addr, int hw_addr_len, |
| 4538 | struct netlink_ext_ack *extack) |
| 4539 | { |
| 4540 | struct mlx5_eswitch *esw = mlx5_devlink_eswitch_nocheck_get(devlink: port->devlink); |
| 4541 | struct mlx5_vport *vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4542 | |
| 4543 | return mlx5_eswitch_set_vport_mac(esw, vport: vport->vport, mac: hw_addr); |
| 4544 | } |
| 4545 | |
| 4546 | int mlx5_devlink_port_fn_migratable_get(struct devlink_port *port, bool *is_enabled, |
| 4547 | struct netlink_ext_ack *extack) |
| 4548 | { |
| 4549 | struct mlx5_eswitch *esw = mlx5_devlink_eswitch_nocheck_get(devlink: port->devlink); |
| 4550 | struct mlx5_vport *vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4551 | |
| 4552 | if (!MLX5_CAP_GEN(esw->dev, migration)) { |
| 4553 | NL_SET_ERR_MSG_MOD(extack, "Device doesn't support migration" ); |
| 4554 | return -EOPNOTSUPP; |
| 4555 | } |
| 4556 | |
| 4557 | if (!MLX5_CAP_GEN(esw->dev, vhca_resource_manager)) { |
| 4558 | NL_SET_ERR_MSG_MOD(extack, "Device doesn't support VHCA management" ); |
| 4559 | return -EOPNOTSUPP; |
| 4560 | } |
| 4561 | |
| 4562 | mutex_lock(&esw->state_lock); |
| 4563 | *is_enabled = vport->info.mig_enabled; |
| 4564 | mutex_unlock(lock: &esw->state_lock); |
| 4565 | return 0; |
| 4566 | } |
| 4567 | |
| 4568 | int mlx5_devlink_port_fn_migratable_set(struct devlink_port *port, bool enable, |
| 4569 | struct netlink_ext_ack *extack) |
| 4570 | { |
| 4571 | struct mlx5_eswitch *esw = mlx5_devlink_eswitch_nocheck_get(devlink: port->devlink); |
| 4572 | struct mlx5_vport *vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4573 | int query_out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); |
| 4574 | void *query_ctx; |
| 4575 | void *hca_caps; |
| 4576 | int err; |
| 4577 | |
| 4578 | if (!MLX5_CAP_GEN(esw->dev, migration)) { |
| 4579 | NL_SET_ERR_MSG_MOD(extack, "Device doesn't support migration" ); |
| 4580 | return -EOPNOTSUPP; |
| 4581 | } |
| 4582 | |
| 4583 | if (!MLX5_CAP_GEN(esw->dev, vhca_resource_manager)) { |
| 4584 | NL_SET_ERR_MSG_MOD(extack, "Device doesn't support VHCA management" ); |
| 4585 | return -EOPNOTSUPP; |
| 4586 | } |
| 4587 | |
| 4588 | mutex_lock(&esw->state_lock); |
| 4589 | |
| 4590 | if (vport->info.mig_enabled == enable) { |
| 4591 | err = 0; |
| 4592 | goto out; |
| 4593 | } |
| 4594 | |
| 4595 | query_ctx = kzalloc(query_out_sz, GFP_KERNEL); |
| 4596 | if (!query_ctx) { |
| 4597 | err = -ENOMEM; |
| 4598 | goto out; |
| 4599 | } |
| 4600 | |
| 4601 | err = mlx5_vport_get_other_func_cap(dev: esw->dev, vport: vport->vport, out: query_ctx, |
| 4602 | opmod: MLX5_CAP_GENERAL_2); |
| 4603 | if (err) { |
| 4604 | NL_SET_ERR_MSG_MOD(extack, "Failed getting HCA caps" ); |
| 4605 | goto out_free; |
| 4606 | } |
| 4607 | |
| 4608 | hca_caps = MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability); |
| 4609 | MLX5_SET(cmd_hca_cap_2, hca_caps, migratable, enable); |
| 4610 | |
| 4611 | err = mlx5_vport_set_other_func_cap(dev: esw->dev, hca_cap: hca_caps, vport: vport->vport, |
| 4612 | opmod: MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE2); |
| 4613 | if (err) { |
| 4614 | NL_SET_ERR_MSG_MOD(extack, "Failed setting HCA migratable cap" ); |
| 4615 | goto out_free; |
| 4616 | } |
| 4617 | |
| 4618 | vport->info.mig_enabled = enable; |
| 4619 | |
| 4620 | out_free: |
| 4621 | kfree(objp: query_ctx); |
| 4622 | out: |
| 4623 | mutex_unlock(lock: &esw->state_lock); |
| 4624 | return err; |
| 4625 | } |
| 4626 | |
| 4627 | int mlx5_devlink_port_fn_roce_get(struct devlink_port *port, bool *is_enabled, |
| 4628 | struct netlink_ext_ack *extack) |
| 4629 | { |
| 4630 | struct mlx5_eswitch *esw = mlx5_devlink_eswitch_nocheck_get(devlink: port->devlink); |
| 4631 | struct mlx5_vport *vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4632 | |
| 4633 | if (!MLX5_CAP_GEN(esw->dev, vhca_resource_manager)) { |
| 4634 | NL_SET_ERR_MSG_MOD(extack, "Device doesn't support VHCA management" ); |
| 4635 | return -EOPNOTSUPP; |
| 4636 | } |
| 4637 | |
| 4638 | mutex_lock(&esw->state_lock); |
| 4639 | *is_enabled = vport->info.roce_enabled; |
| 4640 | mutex_unlock(lock: &esw->state_lock); |
| 4641 | return 0; |
| 4642 | } |
| 4643 | |
| 4644 | int mlx5_devlink_port_fn_roce_set(struct devlink_port *port, bool enable, |
| 4645 | struct netlink_ext_ack *extack) |
| 4646 | { |
| 4647 | struct mlx5_eswitch *esw = mlx5_devlink_eswitch_nocheck_get(devlink: port->devlink); |
| 4648 | struct mlx5_vport *vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4649 | int query_out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); |
| 4650 | u16 vport_num = vport->vport; |
| 4651 | void *query_ctx; |
| 4652 | void *hca_caps; |
| 4653 | int err; |
| 4654 | |
| 4655 | if (!MLX5_CAP_GEN(esw->dev, vhca_resource_manager)) { |
| 4656 | NL_SET_ERR_MSG_MOD(extack, "Device doesn't support VHCA management" ); |
| 4657 | return -EOPNOTSUPP; |
| 4658 | } |
| 4659 | |
| 4660 | mutex_lock(&esw->state_lock); |
| 4661 | |
| 4662 | if (vport->info.roce_enabled == enable) { |
| 4663 | err = 0; |
| 4664 | goto out; |
| 4665 | } |
| 4666 | |
| 4667 | query_ctx = kzalloc(query_out_sz, GFP_KERNEL); |
| 4668 | if (!query_ctx) { |
| 4669 | err = -ENOMEM; |
| 4670 | goto out; |
| 4671 | } |
| 4672 | |
| 4673 | err = mlx5_vport_get_other_func_cap(dev: esw->dev, vport: vport_num, out: query_ctx, |
| 4674 | opmod: MLX5_CAP_GENERAL); |
| 4675 | if (err) { |
| 4676 | NL_SET_ERR_MSG_MOD(extack, "Failed getting HCA caps" ); |
| 4677 | goto out_free; |
| 4678 | } |
| 4679 | |
| 4680 | hca_caps = MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability); |
| 4681 | MLX5_SET(cmd_hca_cap, hca_caps, roce, enable); |
| 4682 | |
| 4683 | err = mlx5_vport_set_other_func_cap(dev: esw->dev, hca_cap: hca_caps, vport: vport_num, |
| 4684 | opmod: MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE); |
| 4685 | if (err) { |
| 4686 | NL_SET_ERR_MSG_MOD(extack, "Failed setting HCA roce cap" ); |
| 4687 | goto out_free; |
| 4688 | } |
| 4689 | |
| 4690 | vport->info.roce_enabled = enable; |
| 4691 | |
| 4692 | out_free: |
| 4693 | kfree(objp: query_ctx); |
| 4694 | out: |
| 4695 | mutex_unlock(lock: &esw->state_lock); |
| 4696 | return err; |
| 4697 | } |
| 4698 | |
| 4699 | int |
| 4700 | mlx5_eswitch_restore_ipsec_rule(struct mlx5_eswitch *esw, struct mlx5_flow_handle *rule, |
| 4701 | struct mlx5_esw_flow_attr *esw_attr, int attr_idx) |
| 4702 | { |
| 4703 | struct mlx5_flow_destination new_dest = {}; |
| 4704 | struct mlx5_flow_destination old_dest = {}; |
| 4705 | |
| 4706 | if (!esw_setup_uplink_fwd_ipsec_needed(esw, esw_attr, attr_idx)) |
| 4707 | return 0; |
| 4708 | |
| 4709 | esw_setup_dest_fwd_ipsec(dest: &old_dest, NULL, esw, esw_attr, attr_idx, dest_idx: 0, pkt_reformat: false); |
| 4710 | esw_setup_dest_fwd_vport(dest: &new_dest, NULL, esw, esw_attr, attr_idx, dest_idx: 0, pkt_reformat: false); |
| 4711 | |
| 4712 | return mlx5_modify_rule_destination(handler: rule, new_dest: &new_dest, old_dest: &old_dest); |
| 4713 | } |
| 4714 | |
| 4715 | #ifdef CONFIG_XFRM_OFFLOAD |
| 4716 | int mlx5_devlink_port_fn_ipsec_crypto_get(struct devlink_port *port, bool *is_enabled, |
| 4717 | struct netlink_ext_ack *extack) |
| 4718 | { |
| 4719 | struct mlx5_eswitch *esw; |
| 4720 | struct mlx5_vport *vport; |
| 4721 | int err = 0; |
| 4722 | |
| 4723 | esw = mlx5_devlink_eswitch_get(devlink: port->devlink); |
| 4724 | if (IS_ERR(ptr: esw)) |
| 4725 | return PTR_ERR(ptr: esw); |
| 4726 | |
| 4727 | if (!mlx5_esw_ipsec_vf_offload_supported(dev: esw->dev)) { |
| 4728 | NL_SET_ERR_MSG_MOD(extack, "Device doesn't support IPSec crypto" ); |
| 4729 | return -EOPNOTSUPP; |
| 4730 | } |
| 4731 | |
| 4732 | vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4733 | |
| 4734 | mutex_lock(&esw->state_lock); |
| 4735 | if (!vport->enabled) { |
| 4736 | err = -EOPNOTSUPP; |
| 4737 | goto unlock; |
| 4738 | } |
| 4739 | |
| 4740 | *is_enabled = vport->info.ipsec_crypto_enabled; |
| 4741 | unlock: |
| 4742 | mutex_unlock(lock: &esw->state_lock); |
| 4743 | return err; |
| 4744 | } |
| 4745 | |
| 4746 | int mlx5_devlink_port_fn_ipsec_crypto_set(struct devlink_port *port, bool enable, |
| 4747 | struct netlink_ext_ack *extack) |
| 4748 | { |
| 4749 | struct mlx5_eswitch *esw; |
| 4750 | struct mlx5_vport *vport; |
| 4751 | u16 vport_num; |
| 4752 | int err; |
| 4753 | |
| 4754 | esw = mlx5_devlink_eswitch_get(devlink: port->devlink); |
| 4755 | if (IS_ERR(ptr: esw)) |
| 4756 | return PTR_ERR(ptr: esw); |
| 4757 | |
| 4758 | vport_num = mlx5_esw_devlink_port_index_to_vport_num(dl_port_index: port->index); |
| 4759 | err = mlx5_esw_ipsec_vf_crypto_offload_supported(dev: esw->dev, vport_num); |
| 4760 | if (err) { |
| 4761 | NL_SET_ERR_MSG_MOD(extack, |
| 4762 | "Device doesn't support IPsec crypto" ); |
| 4763 | return err; |
| 4764 | } |
| 4765 | |
| 4766 | vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4767 | |
| 4768 | mutex_lock(&esw->state_lock); |
| 4769 | if (!vport->enabled) { |
| 4770 | err = -EOPNOTSUPP; |
| 4771 | NL_SET_ERR_MSG_MOD(extack, "Eswitch vport is disabled" ); |
| 4772 | goto unlock; |
| 4773 | } |
| 4774 | |
| 4775 | if (vport->info.ipsec_crypto_enabled == enable) |
| 4776 | goto unlock; |
| 4777 | |
| 4778 | if (!esw->enabled_ipsec_vf_count && esw->dev->num_ipsec_offloads) { |
| 4779 | err = -EBUSY; |
| 4780 | goto unlock; |
| 4781 | } |
| 4782 | |
| 4783 | err = mlx5_esw_ipsec_vf_crypto_offload_set(esw, vport, enable); |
| 4784 | if (err) { |
| 4785 | NL_SET_ERR_MSG_MOD(extack, "Failed to set IPsec crypto" ); |
| 4786 | goto unlock; |
| 4787 | } |
| 4788 | |
| 4789 | vport->info.ipsec_crypto_enabled = enable; |
| 4790 | if (enable) |
| 4791 | esw->enabled_ipsec_vf_count++; |
| 4792 | else |
| 4793 | esw->enabled_ipsec_vf_count--; |
| 4794 | unlock: |
| 4795 | mutex_unlock(lock: &esw->state_lock); |
| 4796 | return err; |
| 4797 | } |
| 4798 | |
| 4799 | int mlx5_devlink_port_fn_ipsec_packet_get(struct devlink_port *port, bool *is_enabled, |
| 4800 | struct netlink_ext_ack *extack) |
| 4801 | { |
| 4802 | struct mlx5_eswitch *esw; |
| 4803 | struct mlx5_vport *vport; |
| 4804 | int err = 0; |
| 4805 | |
| 4806 | esw = mlx5_devlink_eswitch_get(devlink: port->devlink); |
| 4807 | if (IS_ERR(ptr: esw)) |
| 4808 | return PTR_ERR(ptr: esw); |
| 4809 | |
| 4810 | if (!mlx5_esw_ipsec_vf_offload_supported(dev: esw->dev)) { |
| 4811 | NL_SET_ERR_MSG_MOD(extack, "Device doesn't support IPsec packet" ); |
| 4812 | return -EOPNOTSUPP; |
| 4813 | } |
| 4814 | |
| 4815 | vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4816 | |
| 4817 | mutex_lock(&esw->state_lock); |
| 4818 | if (!vport->enabled) { |
| 4819 | err = -EOPNOTSUPP; |
| 4820 | goto unlock; |
| 4821 | } |
| 4822 | |
| 4823 | *is_enabled = vport->info.ipsec_packet_enabled; |
| 4824 | unlock: |
| 4825 | mutex_unlock(lock: &esw->state_lock); |
| 4826 | return err; |
| 4827 | } |
| 4828 | |
| 4829 | int mlx5_devlink_port_fn_ipsec_packet_set(struct devlink_port *port, |
| 4830 | bool enable, |
| 4831 | struct netlink_ext_ack *extack) |
| 4832 | { |
| 4833 | struct mlx5_eswitch *esw; |
| 4834 | struct mlx5_vport *vport; |
| 4835 | u16 vport_num; |
| 4836 | int err; |
| 4837 | |
| 4838 | esw = mlx5_devlink_eswitch_get(devlink: port->devlink); |
| 4839 | if (IS_ERR(ptr: esw)) |
| 4840 | return PTR_ERR(ptr: esw); |
| 4841 | |
| 4842 | vport_num = mlx5_esw_devlink_port_index_to_vport_num(dl_port_index: port->index); |
| 4843 | err = mlx5_esw_ipsec_vf_packet_offload_supported(dev: esw->dev, vport_num); |
| 4844 | if (err) { |
| 4845 | NL_SET_ERR_MSG_MOD(extack, |
| 4846 | "Device doesn't support IPsec packet mode" ); |
| 4847 | return err; |
| 4848 | } |
| 4849 | |
| 4850 | vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4851 | mutex_lock(&esw->state_lock); |
| 4852 | if (!vport->enabled) { |
| 4853 | err = -EOPNOTSUPP; |
| 4854 | NL_SET_ERR_MSG_MOD(extack, "Eswitch vport is disabled" ); |
| 4855 | goto unlock; |
| 4856 | } |
| 4857 | |
| 4858 | if (vport->info.ipsec_packet_enabled == enable) |
| 4859 | goto unlock; |
| 4860 | |
| 4861 | if (!esw->enabled_ipsec_vf_count && esw->dev->num_ipsec_offloads) { |
| 4862 | err = -EBUSY; |
| 4863 | goto unlock; |
| 4864 | } |
| 4865 | |
| 4866 | err = mlx5_esw_ipsec_vf_packet_offload_set(esw, vport, enable); |
| 4867 | if (err) { |
| 4868 | NL_SET_ERR_MSG_MOD(extack, |
| 4869 | "Failed to set IPsec packet mode" ); |
| 4870 | goto unlock; |
| 4871 | } |
| 4872 | |
| 4873 | vport->info.ipsec_packet_enabled = enable; |
| 4874 | if (enable) |
| 4875 | esw->enabled_ipsec_vf_count++; |
| 4876 | else |
| 4877 | esw->enabled_ipsec_vf_count--; |
| 4878 | unlock: |
| 4879 | mutex_unlock(lock: &esw->state_lock); |
| 4880 | return err; |
| 4881 | } |
| 4882 | #endif /* CONFIG_XFRM_OFFLOAD */ |
| 4883 | |
| 4884 | int |
| 4885 | mlx5_devlink_port_fn_max_io_eqs_get(struct devlink_port *port, u32 *max_io_eqs, |
| 4886 | struct netlink_ext_ack *extack) |
| 4887 | { |
| 4888 | struct mlx5_vport *vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4889 | int query_out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); |
| 4890 | u16 vport_num = vport->vport; |
| 4891 | struct mlx5_eswitch *esw; |
| 4892 | void *query_ctx; |
| 4893 | void *hca_caps; |
| 4894 | u32 max_eqs; |
| 4895 | int err; |
| 4896 | |
| 4897 | esw = mlx5_devlink_eswitch_nocheck_get(devlink: port->devlink); |
| 4898 | if (!MLX5_CAP_GEN(esw->dev, vhca_resource_manager)) { |
| 4899 | NL_SET_ERR_MSG_MOD(extack, |
| 4900 | "Device doesn't support VHCA management" ); |
| 4901 | return -EOPNOTSUPP; |
| 4902 | } |
| 4903 | |
| 4904 | if (!MLX5_CAP_GEN_2(esw->dev, max_num_eqs_24b)) { |
| 4905 | NL_SET_ERR_MSG_MOD(extack, |
| 4906 | "Device doesn't support getting the max number of EQs" ); |
| 4907 | return -EOPNOTSUPP; |
| 4908 | } |
| 4909 | |
| 4910 | query_ctx = kzalloc(query_out_sz, GFP_KERNEL); |
| 4911 | if (!query_ctx) |
| 4912 | return -ENOMEM; |
| 4913 | |
| 4914 | mutex_lock(&esw->state_lock); |
| 4915 | err = mlx5_vport_get_other_func_cap(dev: esw->dev, vport: vport_num, out: query_ctx, |
| 4916 | opmod: MLX5_CAP_GENERAL_2); |
| 4917 | if (err) { |
| 4918 | NL_SET_ERR_MSG_MOD(extack, "Failed getting HCA caps" ); |
| 4919 | goto out; |
| 4920 | } |
| 4921 | |
| 4922 | hca_caps = MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability); |
| 4923 | max_eqs = MLX5_GET(cmd_hca_cap_2, hca_caps, max_num_eqs_24b); |
| 4924 | if (max_eqs < MLX5_ESW_MAX_CTRL_EQS) |
| 4925 | *max_io_eqs = 0; |
| 4926 | else |
| 4927 | *max_io_eqs = max_eqs - MLX5_ESW_MAX_CTRL_EQS; |
| 4928 | out: |
| 4929 | mutex_unlock(lock: &esw->state_lock); |
| 4930 | kfree(objp: query_ctx); |
| 4931 | return err; |
| 4932 | } |
| 4933 | |
| 4934 | int |
| 4935 | mlx5_devlink_port_fn_max_io_eqs_set(struct devlink_port *port, u32 max_io_eqs, |
| 4936 | struct netlink_ext_ack *extack) |
| 4937 | { |
| 4938 | struct mlx5_vport *vport = mlx5_devlink_port_vport_get(dl_port: port); |
| 4939 | int query_out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); |
| 4940 | u16 vport_num = vport->vport; |
| 4941 | struct mlx5_eswitch *esw; |
| 4942 | void *query_ctx; |
| 4943 | void *hca_caps; |
| 4944 | u16 max_eqs; |
| 4945 | int err; |
| 4946 | |
| 4947 | esw = mlx5_devlink_eswitch_nocheck_get(devlink: port->devlink); |
| 4948 | if (!MLX5_CAP_GEN(esw->dev, vhca_resource_manager)) { |
| 4949 | NL_SET_ERR_MSG_MOD(extack, |
| 4950 | "Device doesn't support VHCA management" ); |
| 4951 | return -EOPNOTSUPP; |
| 4952 | } |
| 4953 | |
| 4954 | if (!MLX5_CAP_GEN_2(esw->dev, max_num_eqs_24b)) { |
| 4955 | NL_SET_ERR_MSG_MOD(extack, |
| 4956 | "Device doesn't support changing the max number of EQs" ); |
| 4957 | return -EOPNOTSUPP; |
| 4958 | } |
| 4959 | |
| 4960 | if (check_add_overflow(max_io_eqs, MLX5_ESW_MAX_CTRL_EQS, &max_eqs)) { |
| 4961 | NL_SET_ERR_MSG_MOD(extack, "Supplied value out of range" ); |
| 4962 | return -EINVAL; |
| 4963 | } |
| 4964 | |
| 4965 | query_ctx = kzalloc(query_out_sz, GFP_KERNEL); |
| 4966 | if (!query_ctx) |
| 4967 | return -ENOMEM; |
| 4968 | |
| 4969 | mutex_lock(&esw->state_lock); |
| 4970 | err = mlx5_vport_get_other_func_cap(dev: esw->dev, vport: vport_num, out: query_ctx, |
| 4971 | opmod: MLX5_CAP_GENERAL_2); |
| 4972 | if (err) { |
| 4973 | NL_SET_ERR_MSG_MOD(extack, "Failed getting HCA caps" ); |
| 4974 | goto out; |
| 4975 | } |
| 4976 | |
| 4977 | hca_caps = MLX5_ADDR_OF(query_hca_cap_out, query_ctx, capability); |
| 4978 | MLX5_SET(cmd_hca_cap_2, hca_caps, max_num_eqs_24b, max_eqs); |
| 4979 | |
| 4980 | if (mlx5_esw_is_sf_vport(esw, vport_num)) |
| 4981 | MLX5_SET(cmd_hca_cap_2, hca_caps, sf_eq_usage, 1); |
| 4982 | |
| 4983 | err = mlx5_vport_set_other_func_cap(dev: esw->dev, hca_cap: hca_caps, vport: vport_num, |
| 4984 | opmod: MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE2); |
| 4985 | if (err) |
| 4986 | NL_SET_ERR_MSG_MOD(extack, "Failed setting HCA caps" ); |
| 4987 | vport->max_eqs_set = true; |
| 4988 | out: |
| 4989 | mutex_unlock(lock: &esw->state_lock); |
| 4990 | kfree(objp: query_ctx); |
| 4991 | return err; |
| 4992 | } |
| 4993 | |
| 4994 | int |
| 4995 | mlx5_devlink_port_fn_max_io_eqs_set_sf_default(struct devlink_port *port, |
| 4996 | struct netlink_ext_ack *extack) |
| 4997 | { |
| 4998 | return mlx5_devlink_port_fn_max_io_eqs_set(port, |
| 4999 | MLX5_ESW_DEFAULT_SF_COMP_EQS, |
| 5000 | extack); |
| 5001 | } |
| 5002 | |