1 /* 2 * Copyright (c) 2015, Mellanox Technologies. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #include <linux/mlx5/driver.h> 34 #include <linux/mlx5/device.h> 35 #include <linux/mlx5/mlx5_ifc.h> 36 37 #include "fs_core.h" 38 #include "fs_cmd.h" 39 #include "fs_ft_pool.h" 40 #include "mlx5_core.h" 41 #include "eswitch.h" 42 43 static int mlx5_cmd_stub_update_root_ft(struct mlx5_flow_root_namespace *ns, 44 struct mlx5_flow_table *ft, 45 u32 underlay_qpn, 46 bool disconnect) 47 { 48 return 0; 49 } 50 51 static int mlx5_cmd_stub_create_flow_table(struct mlx5_flow_root_namespace *ns, 52 struct mlx5_flow_table *ft, 53 unsigned int size, 54 struct mlx5_flow_table *next_ft) 55 { 56 ft->max_fte = size ? roundup_pow_of_two(size) : 1; 57 58 return 0; 59 } 60 61 static int mlx5_cmd_stub_destroy_flow_table(struct mlx5_flow_root_namespace *ns, 62 struct mlx5_flow_table *ft) 63 { 64 return 0; 65 } 66 67 static int mlx5_cmd_stub_modify_flow_table(struct mlx5_flow_root_namespace *ns, 68 struct mlx5_flow_table *ft, 69 struct mlx5_flow_table *next_ft) 70 { 71 return 0; 72 } 73 74 static int mlx5_cmd_stub_create_flow_group(struct mlx5_flow_root_namespace *ns, 75 struct mlx5_flow_table *ft, 76 u32 *in, 77 struct mlx5_flow_group *fg) 78 { 79 return 0; 80 } 81 82 static int mlx5_cmd_stub_destroy_flow_group(struct mlx5_flow_root_namespace *ns, 83 struct mlx5_flow_table *ft, 84 struct mlx5_flow_group *fg) 85 { 86 return 0; 87 } 88 89 static int mlx5_cmd_stub_create_fte(struct mlx5_flow_root_namespace *ns, 90 struct mlx5_flow_table *ft, 91 struct mlx5_flow_group *group, 92 struct fs_fte *fte) 93 { 94 return 0; 95 } 96 97 static int mlx5_cmd_stub_update_fte(struct mlx5_flow_root_namespace *ns, 98 struct mlx5_flow_table *ft, 99 struct mlx5_flow_group *group, 100 int modify_mask, 101 struct fs_fte *fte) 102 { 103 return -EOPNOTSUPP; 104 } 105 106 static int mlx5_cmd_stub_delete_fte(struct mlx5_flow_root_namespace *ns, 107 struct mlx5_flow_table *ft, 108 struct fs_fte *fte) 109 { 110 return 0; 111 } 112 113 static int mlx5_cmd_stub_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns, 114 struct mlx5_pkt_reformat_params *params, 115 enum mlx5_flow_namespace_type namespace, 116 struct mlx5_pkt_reformat *pkt_reformat) 117 { 118 return 0; 119 } 120 121 static void mlx5_cmd_stub_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns, 122 struct mlx5_pkt_reformat *pkt_reformat) 123 { 124 } 125 126 static int mlx5_cmd_stub_modify_header_alloc(struct mlx5_flow_root_namespace *ns, 127 u8 namespace, u8 num_actions, 128 void *modify_actions, 129 struct mlx5_modify_hdr *modify_hdr) 130 { 131 return 0; 132 } 133 134 static void mlx5_cmd_stub_modify_header_dealloc(struct mlx5_flow_root_namespace *ns, 135 struct mlx5_modify_hdr *modify_hdr) 136 { 137 } 138 139 static int mlx5_cmd_stub_set_peer(struct mlx5_flow_root_namespace *ns, 140 struct mlx5_flow_root_namespace *peer_ns) 141 { 142 return 0; 143 } 144 145 static int mlx5_cmd_stub_create_ns(struct mlx5_flow_root_namespace *ns) 146 { 147 return 0; 148 } 149 150 static int mlx5_cmd_stub_destroy_ns(struct mlx5_flow_root_namespace *ns) 151 { 152 return 0; 153 } 154 155 static int mlx5_cmd_set_slave_root_fdb(struct mlx5_core_dev *master, 156 struct mlx5_core_dev *slave, 157 bool ft_id_valid, 158 u32 ft_id) 159 { 160 u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {}; 161 u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {}; 162 struct mlx5_flow_root_namespace *root; 163 struct mlx5_flow_namespace *ns; 164 165 MLX5_SET(set_flow_table_root_in, in, opcode, 166 MLX5_CMD_OP_SET_FLOW_TABLE_ROOT); 167 MLX5_SET(set_flow_table_root_in, in, table_type, 168 FS_FT_FDB); 169 if (ft_id_valid) { 170 MLX5_SET(set_flow_table_root_in, in, 171 table_eswitch_owner_vhca_id_valid, 1); 172 MLX5_SET(set_flow_table_root_in, in, 173 table_eswitch_owner_vhca_id, 174 MLX5_CAP_GEN(master, vhca_id)); 175 MLX5_SET(set_flow_table_root_in, in, table_id, 176 ft_id); 177 } else { 178 ns = mlx5_get_flow_namespace(slave, 179 MLX5_FLOW_NAMESPACE_FDB); 180 root = find_root(&ns->node); 181 MLX5_SET(set_flow_table_root_in, in, table_id, 182 root->root_ft->id); 183 } 184 185 return mlx5_cmd_exec(slave, in, sizeof(in), out, sizeof(out)); 186 } 187 188 static int 189 mlx5_cmd_stub_destroy_match_definer(struct mlx5_flow_root_namespace *ns, 190 int definer_id) 191 { 192 return 0; 193 } 194 195 static int 196 mlx5_cmd_stub_create_match_definer(struct mlx5_flow_root_namespace *ns, 197 u16 format_id, u32 *match_mask) 198 { 199 return 0; 200 } 201 202 static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns, 203 struct mlx5_flow_table *ft, u32 underlay_qpn, 204 bool disconnect) 205 { 206 u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {}; 207 struct mlx5_core_dev *dev = ns->dev; 208 int err; 209 210 if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) && 211 underlay_qpn == 0) 212 return 0; 213 214 if (ft->type == FS_FT_FDB && 215 mlx5_lag_is_shared_fdb(dev) && 216 !mlx5_lag_is_master(dev)) 217 return 0; 218 219 MLX5_SET(set_flow_table_root_in, in, opcode, 220 MLX5_CMD_OP_SET_FLOW_TABLE_ROOT); 221 MLX5_SET(set_flow_table_root_in, in, table_type, ft->type); 222 223 if (disconnect) 224 MLX5_SET(set_flow_table_root_in, in, op_mod, 1); 225 else 226 MLX5_SET(set_flow_table_root_in, in, table_id, ft->id); 227 228 MLX5_SET(set_flow_table_root_in, in, underlay_qpn, underlay_qpn); 229 MLX5_SET(set_flow_table_root_in, in, vport_number, ft->vport); 230 MLX5_SET(set_flow_table_root_in, in, other_vport, 231 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT)); 232 233 err = mlx5_cmd_exec_in(dev, set_flow_table_root, in); 234 if (!err && 235 ft->type == FS_FT_FDB && 236 mlx5_lag_is_shared_fdb(dev) && 237 mlx5_lag_is_master(dev)) { 238 err = mlx5_cmd_set_slave_root_fdb(dev, 239 mlx5_lag_get_peer_mdev(dev), 240 !disconnect, (!disconnect) ? 241 ft->id : 0); 242 if (err && !disconnect) { 243 MLX5_SET(set_flow_table_root_in, in, op_mod, 0); 244 MLX5_SET(set_flow_table_root_in, in, table_id, 245 ns->root_ft->id); 246 mlx5_cmd_exec_in(dev, set_flow_table_root, in); 247 } 248 } 249 250 return err; 251 } 252 253 static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns, 254 struct mlx5_flow_table *ft, 255 unsigned int size, 256 struct mlx5_flow_table *next_ft) 257 { 258 int en_encap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT); 259 int en_decap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_DECAP); 260 int term = !!(ft->flags & MLX5_FLOW_TABLE_TERMINATION); 261 u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {}; 262 u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {}; 263 struct mlx5_core_dev *dev = ns->dev; 264 int err; 265 266 if (size != POOL_NEXT_SIZE) 267 size = roundup_pow_of_two(size); 268 size = mlx5_ft_pool_get_avail_sz(dev, ft->type, size); 269 if (!size) 270 return -ENOSPC; 271 272 MLX5_SET(create_flow_table_in, in, opcode, 273 MLX5_CMD_OP_CREATE_FLOW_TABLE); 274 275 MLX5_SET(create_flow_table_in, in, table_type, ft->type); 276 MLX5_SET(create_flow_table_in, in, flow_table_context.level, ft->level); 277 MLX5_SET(create_flow_table_in, in, flow_table_context.log_size, size ? ilog2(size) : 0); 278 MLX5_SET(create_flow_table_in, in, vport_number, ft->vport); 279 MLX5_SET(create_flow_table_in, in, other_vport, 280 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT)); 281 282 MLX5_SET(create_flow_table_in, in, flow_table_context.decap_en, 283 en_decap); 284 MLX5_SET(create_flow_table_in, in, flow_table_context.reformat_en, 285 en_encap); 286 MLX5_SET(create_flow_table_in, in, flow_table_context.termination_table, 287 term); 288 289 switch (ft->op_mod) { 290 case FS_FT_OP_MOD_NORMAL: 291 if (next_ft) { 292 MLX5_SET(create_flow_table_in, in, 293 flow_table_context.table_miss_action, 294 MLX5_FLOW_TABLE_MISS_ACTION_FWD); 295 MLX5_SET(create_flow_table_in, in, 296 flow_table_context.table_miss_id, next_ft->id); 297 } else { 298 MLX5_SET(create_flow_table_in, in, 299 flow_table_context.table_miss_action, 300 ft->def_miss_action); 301 } 302 break; 303 304 case FS_FT_OP_MOD_LAG_DEMUX: 305 MLX5_SET(create_flow_table_in, in, op_mod, 0x1); 306 if (next_ft) 307 MLX5_SET(create_flow_table_in, in, 308 flow_table_context.lag_master_next_table_id, 309 next_ft->id); 310 break; 311 } 312 313 err = mlx5_cmd_exec_inout(dev, create_flow_table, in, out); 314 if (!err) { 315 ft->id = MLX5_GET(create_flow_table_out, out, 316 table_id); 317 ft->max_fte = size; 318 } else { 319 mlx5_ft_pool_put_sz(ns->dev, size); 320 } 321 322 return err; 323 } 324 325 static int mlx5_cmd_destroy_flow_table(struct mlx5_flow_root_namespace *ns, 326 struct mlx5_flow_table *ft) 327 { 328 u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {}; 329 struct mlx5_core_dev *dev = ns->dev; 330 int err; 331 332 MLX5_SET(destroy_flow_table_in, in, opcode, 333 MLX5_CMD_OP_DESTROY_FLOW_TABLE); 334 MLX5_SET(destroy_flow_table_in, in, table_type, ft->type); 335 MLX5_SET(destroy_flow_table_in, in, table_id, ft->id); 336 MLX5_SET(destroy_flow_table_in, in, vport_number, ft->vport); 337 MLX5_SET(destroy_flow_table_in, in, other_vport, 338 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT)); 339 340 err = mlx5_cmd_exec_in(dev, destroy_flow_table, in); 341 if (!err) 342 mlx5_ft_pool_put_sz(ns->dev, ft->max_fte); 343 344 return err; 345 } 346 347 static int mlx5_cmd_modify_flow_table(struct mlx5_flow_root_namespace *ns, 348 struct mlx5_flow_table *ft, 349 struct mlx5_flow_table *next_ft) 350 { 351 u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)] = {}; 352 struct mlx5_core_dev *dev = ns->dev; 353 354 MLX5_SET(modify_flow_table_in, in, opcode, 355 MLX5_CMD_OP_MODIFY_FLOW_TABLE); 356 MLX5_SET(modify_flow_table_in, in, table_type, ft->type); 357 MLX5_SET(modify_flow_table_in, in, table_id, ft->id); 358 359 if (ft->op_mod == FS_FT_OP_MOD_LAG_DEMUX) { 360 MLX5_SET(modify_flow_table_in, in, modify_field_select, 361 MLX5_MODIFY_FLOW_TABLE_LAG_NEXT_TABLE_ID); 362 if (next_ft) { 363 MLX5_SET(modify_flow_table_in, in, 364 flow_table_context.lag_master_next_table_id, next_ft->id); 365 } else { 366 MLX5_SET(modify_flow_table_in, in, 367 flow_table_context.lag_master_next_table_id, 0); 368 } 369 } else { 370 MLX5_SET(modify_flow_table_in, in, vport_number, ft->vport); 371 MLX5_SET(modify_flow_table_in, in, other_vport, 372 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT)); 373 MLX5_SET(modify_flow_table_in, in, modify_field_select, 374 MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID); 375 if (next_ft) { 376 MLX5_SET(modify_flow_table_in, in, 377 flow_table_context.table_miss_action, 378 MLX5_FLOW_TABLE_MISS_ACTION_FWD); 379 MLX5_SET(modify_flow_table_in, in, 380 flow_table_context.table_miss_id, 381 next_ft->id); 382 } else { 383 MLX5_SET(modify_flow_table_in, in, 384 flow_table_context.table_miss_action, 385 ft->def_miss_action); 386 } 387 } 388 389 return mlx5_cmd_exec_in(dev, modify_flow_table, in); 390 } 391 392 static int mlx5_cmd_create_flow_group(struct mlx5_flow_root_namespace *ns, 393 struct mlx5_flow_table *ft, 394 u32 *in, 395 struct mlx5_flow_group *fg) 396 { 397 u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {}; 398 struct mlx5_core_dev *dev = ns->dev; 399 int err; 400 401 MLX5_SET(create_flow_group_in, in, opcode, 402 MLX5_CMD_OP_CREATE_FLOW_GROUP); 403 MLX5_SET(create_flow_group_in, in, table_type, ft->type); 404 MLX5_SET(create_flow_group_in, in, table_id, ft->id); 405 if (ft->vport) { 406 MLX5_SET(create_flow_group_in, in, vport_number, ft->vport); 407 MLX5_SET(create_flow_group_in, in, other_vport, 1); 408 } 409 410 MLX5_SET(create_flow_group_in, in, vport_number, ft->vport); 411 MLX5_SET(create_flow_group_in, in, other_vport, 412 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT)); 413 err = mlx5_cmd_exec_inout(dev, create_flow_group, in, out); 414 if (!err) 415 fg->id = MLX5_GET(create_flow_group_out, out, 416 group_id); 417 return err; 418 } 419 420 static int mlx5_cmd_destroy_flow_group(struct mlx5_flow_root_namespace *ns, 421 struct mlx5_flow_table *ft, 422 struct mlx5_flow_group *fg) 423 { 424 u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {}; 425 struct mlx5_core_dev *dev = ns->dev; 426 427 MLX5_SET(destroy_flow_group_in, in, opcode, 428 MLX5_CMD_OP_DESTROY_FLOW_GROUP); 429 MLX5_SET(destroy_flow_group_in, in, table_type, ft->type); 430 MLX5_SET(destroy_flow_group_in, in, table_id, ft->id); 431 MLX5_SET(destroy_flow_group_in, in, group_id, fg->id); 432 MLX5_SET(destroy_flow_group_in, in, vport_number, ft->vport); 433 MLX5_SET(destroy_flow_group_in, in, other_vport, 434 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT)); 435 return mlx5_cmd_exec_in(dev, destroy_flow_group, in); 436 } 437 438 static int mlx5_set_extended_dest(struct mlx5_core_dev *dev, 439 struct fs_fte *fte, bool *extended_dest) 440 { 441 int fw_log_max_fdb_encap_uplink = 442 MLX5_CAP_ESW(dev, log_max_fdb_encap_uplink); 443 int num_fwd_destinations = 0; 444 struct mlx5_flow_rule *dst; 445 int num_encap = 0; 446 447 *extended_dest = false; 448 if (!(fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST)) 449 return 0; 450 451 list_for_each_entry(dst, &fte->node.children, node.list) { 452 if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER) 453 continue; 454 if ((dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_VPORT || 455 dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_UPLINK) && 456 dst->dest_attr.vport.flags & MLX5_FLOW_DEST_VPORT_REFORMAT_ID) 457 num_encap++; 458 num_fwd_destinations++; 459 } 460 if (num_fwd_destinations > 1 && num_encap > 0) 461 *extended_dest = true; 462 463 if (*extended_dest && !fw_log_max_fdb_encap_uplink) { 464 mlx5_core_warn(dev, "FW does not support extended destination"); 465 return -EOPNOTSUPP; 466 } 467 if (num_encap > (1 << fw_log_max_fdb_encap_uplink)) { 468 mlx5_core_warn(dev, "FW does not support more than %d encaps", 469 1 << fw_log_max_fdb_encap_uplink); 470 return -EOPNOTSUPP; 471 } 472 473 return 0; 474 } 475 static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev, 476 int opmod, int modify_mask, 477 struct mlx5_flow_table *ft, 478 unsigned group_id, 479 struct fs_fte *fte) 480 { 481 u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0}; 482 bool extended_dest = false; 483 struct mlx5_flow_rule *dst; 484 void *in_flow_context, *vlan; 485 void *in_match_value; 486 unsigned int inlen; 487 int dst_cnt_size; 488 void *in_dests; 489 u32 *in; 490 int err; 491 492 if (mlx5_set_extended_dest(dev, fte, &extended_dest)) 493 return -EOPNOTSUPP; 494 495 if (!extended_dest) 496 dst_cnt_size = MLX5_ST_SZ_BYTES(dest_format_struct); 497 else 498 dst_cnt_size = MLX5_ST_SZ_BYTES(extended_dest_format); 499 500 inlen = MLX5_ST_SZ_BYTES(set_fte_in) + fte->dests_size * dst_cnt_size; 501 in = kvzalloc(inlen, GFP_KERNEL); 502 if (!in) 503 return -ENOMEM; 504 505 MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY); 506 MLX5_SET(set_fte_in, in, op_mod, opmod); 507 MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask); 508 MLX5_SET(set_fte_in, in, table_type, ft->type); 509 MLX5_SET(set_fte_in, in, table_id, ft->id); 510 MLX5_SET(set_fte_in, in, flow_index, fte->index); 511 MLX5_SET(set_fte_in, in, ignore_flow_level, 512 !!(fte->action.flags & FLOW_ACT_IGNORE_FLOW_LEVEL)); 513 514 MLX5_SET(set_fte_in, in, vport_number, ft->vport); 515 MLX5_SET(set_fte_in, in, other_vport, 516 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT)); 517 518 in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context); 519 MLX5_SET(flow_context, in_flow_context, group_id, group_id); 520 521 MLX5_SET(flow_context, in_flow_context, flow_tag, 522 fte->flow_context.flow_tag); 523 MLX5_SET(flow_context, in_flow_context, flow_source, 524 fte->flow_context.flow_source); 525 526 MLX5_SET(flow_context, in_flow_context, extended_destination, 527 extended_dest); 528 if (extended_dest) { 529 u32 action; 530 531 action = fte->action.action & 532 ~MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 533 MLX5_SET(flow_context, in_flow_context, action, action); 534 } else { 535 MLX5_SET(flow_context, in_flow_context, action, 536 fte->action.action); 537 if (fte->action.pkt_reformat) 538 MLX5_SET(flow_context, in_flow_context, packet_reformat_id, 539 fte->action.pkt_reformat->id); 540 } 541 if (fte->action.modify_hdr) 542 MLX5_SET(flow_context, in_flow_context, modify_header_id, 543 fte->action.modify_hdr->id); 544 545 MLX5_SET(flow_context, in_flow_context, ipsec_obj_id, fte->action.ipsec_obj_id); 546 547 vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan); 548 549 MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype); 550 MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid); 551 MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio); 552 553 vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2); 554 555 MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype); 556 MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid); 557 MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio); 558 559 in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context, 560 match_value); 561 memcpy(in_match_value, &fte->val, sizeof(fte->val)); 562 563 in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination); 564 if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 565 int list_size = 0; 566 567 list_for_each_entry(dst, &fte->node.children, node.list) { 568 unsigned int id, type = dst->dest_attr.type; 569 570 if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER) 571 continue; 572 573 switch (type) { 574 case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM: 575 id = dst->dest_attr.ft_num; 576 type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 577 break; 578 case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE: 579 id = dst->dest_attr.ft->id; 580 break; 581 case MLX5_FLOW_DESTINATION_TYPE_UPLINK: 582 case MLX5_FLOW_DESTINATION_TYPE_VPORT: 583 MLX5_SET(dest_format_struct, in_dests, 584 destination_eswitch_owner_vhca_id_valid, 585 !!(dst->dest_attr.vport.flags & 586 MLX5_FLOW_DEST_VPORT_VHCA_ID)); 587 MLX5_SET(dest_format_struct, in_dests, 588 destination_eswitch_owner_vhca_id, 589 dst->dest_attr.vport.vhca_id); 590 if (type == MLX5_FLOW_DESTINATION_TYPE_UPLINK) { 591 /* destination_id is reserved */ 592 id = 0; 593 break; 594 } 595 id = dst->dest_attr.vport.num; 596 if (extended_dest && 597 dst->dest_attr.vport.pkt_reformat) { 598 MLX5_SET(dest_format_struct, in_dests, 599 packet_reformat, 600 !!(dst->dest_attr.vport.flags & 601 MLX5_FLOW_DEST_VPORT_REFORMAT_ID)); 602 MLX5_SET(extended_dest_format, in_dests, 603 packet_reformat_id, 604 dst->dest_attr.vport.pkt_reformat->id); 605 } 606 break; 607 case MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER: 608 id = dst->dest_attr.sampler_id; 609 break; 610 default: 611 id = dst->dest_attr.tir_num; 612 } 613 614 MLX5_SET(dest_format_struct, in_dests, destination_type, 615 type); 616 MLX5_SET(dest_format_struct, in_dests, destination_id, id); 617 in_dests += dst_cnt_size; 618 list_size++; 619 } 620 621 MLX5_SET(flow_context, in_flow_context, destination_list_size, 622 list_size); 623 } 624 625 if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 626 int max_list_size = BIT(MLX5_CAP_FLOWTABLE_TYPE(dev, 627 log_max_flow_counter, 628 ft->type)); 629 int list_size = 0; 630 631 list_for_each_entry(dst, &fte->node.children, node.list) { 632 if (dst->dest_attr.type != 633 MLX5_FLOW_DESTINATION_TYPE_COUNTER) 634 continue; 635 636 MLX5_SET(flow_counter_list, in_dests, flow_counter_id, 637 dst->dest_attr.counter_id); 638 in_dests += dst_cnt_size; 639 list_size++; 640 } 641 if (list_size > max_list_size) { 642 err = -EINVAL; 643 goto err_out; 644 } 645 646 MLX5_SET(flow_context, in_flow_context, flow_counter_list_size, 647 list_size); 648 } 649 650 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); 651 err_out: 652 kvfree(in); 653 return err; 654 } 655 656 static int mlx5_cmd_create_fte(struct mlx5_flow_root_namespace *ns, 657 struct mlx5_flow_table *ft, 658 struct mlx5_flow_group *group, 659 struct fs_fte *fte) 660 { 661 struct mlx5_core_dev *dev = ns->dev; 662 unsigned int group_id = group->id; 663 664 return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte); 665 } 666 667 static int mlx5_cmd_update_fte(struct mlx5_flow_root_namespace *ns, 668 struct mlx5_flow_table *ft, 669 struct mlx5_flow_group *fg, 670 int modify_mask, 671 struct fs_fte *fte) 672 { 673 int opmod; 674 struct mlx5_core_dev *dev = ns->dev; 675 int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev, 676 flow_table_properties_nic_receive. 677 flow_modify_en); 678 if (!atomic_mod_cap) 679 return -EOPNOTSUPP; 680 opmod = 1; 681 682 return mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, fg->id, fte); 683 } 684 685 static int mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace *ns, 686 struct mlx5_flow_table *ft, 687 struct fs_fte *fte) 688 { 689 u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {}; 690 struct mlx5_core_dev *dev = ns->dev; 691 692 MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY); 693 MLX5_SET(delete_fte_in, in, table_type, ft->type); 694 MLX5_SET(delete_fte_in, in, table_id, ft->id); 695 MLX5_SET(delete_fte_in, in, flow_index, fte->index); 696 MLX5_SET(delete_fte_in, in, vport_number, ft->vport); 697 MLX5_SET(delete_fte_in, in, other_vport, 698 !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT)); 699 700 return mlx5_cmd_exec_in(dev, delete_fte, in); 701 } 702 703 int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, 704 enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask, 705 u32 *id) 706 { 707 u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {}; 708 u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {}; 709 int err; 710 711 MLX5_SET(alloc_flow_counter_in, in, opcode, 712 MLX5_CMD_OP_ALLOC_FLOW_COUNTER); 713 MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, alloc_bitmask); 714 715 err = mlx5_cmd_exec_inout(dev, alloc_flow_counter, in, out); 716 if (!err) 717 *id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id); 718 return err; 719 } 720 721 int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id) 722 { 723 return mlx5_cmd_fc_bulk_alloc(dev, 0, id); 724 } 725 726 int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id) 727 { 728 u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {}; 729 730 MLX5_SET(dealloc_flow_counter_in, in, opcode, 731 MLX5_CMD_OP_DEALLOC_FLOW_COUNTER); 732 MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id); 733 return mlx5_cmd_exec_in(dev, dealloc_flow_counter, in); 734 } 735 736 int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id, 737 u64 *packets, u64 *bytes) 738 { 739 u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) + 740 MLX5_ST_SZ_BYTES(traffic_counter)] = {}; 741 u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {}; 742 void *stats; 743 int err = 0; 744 745 MLX5_SET(query_flow_counter_in, in, opcode, 746 MLX5_CMD_OP_QUERY_FLOW_COUNTER); 747 MLX5_SET(query_flow_counter_in, in, op_mod, 0); 748 MLX5_SET(query_flow_counter_in, in, flow_counter_id, id); 749 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 750 if (err) 751 return err; 752 753 stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics); 754 *packets = MLX5_GET64(traffic_counter, stats, packets); 755 *bytes = MLX5_GET64(traffic_counter, stats, octets); 756 return 0; 757 } 758 759 int mlx5_cmd_fc_get_bulk_query_out_len(int bulk_len) 760 { 761 return MLX5_ST_SZ_BYTES(query_flow_counter_out) + 762 MLX5_ST_SZ_BYTES(traffic_counter) * bulk_len; 763 } 764 765 int mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, u32 base_id, int bulk_len, 766 u32 *out) 767 { 768 int outlen = mlx5_cmd_fc_get_bulk_query_out_len(bulk_len); 769 u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {}; 770 771 MLX5_SET(query_flow_counter_in, in, opcode, 772 MLX5_CMD_OP_QUERY_FLOW_COUNTER); 773 MLX5_SET(query_flow_counter_in, in, flow_counter_id, base_id); 774 MLX5_SET(query_flow_counter_in, in, num_of_counters, bulk_len); 775 return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen); 776 } 777 778 static int mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns, 779 struct mlx5_pkt_reformat_params *params, 780 enum mlx5_flow_namespace_type namespace, 781 struct mlx5_pkt_reformat *pkt_reformat) 782 { 783 u32 out[MLX5_ST_SZ_DW(alloc_packet_reformat_context_out)] = {}; 784 struct mlx5_core_dev *dev = ns->dev; 785 void *packet_reformat_context_in; 786 int max_encap_size; 787 void *reformat; 788 int inlen; 789 int err; 790 u32 *in; 791 792 if (namespace == MLX5_FLOW_NAMESPACE_FDB || 793 namespace == MLX5_FLOW_NAMESPACE_FDB_BYPASS) 794 max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size); 795 else 796 max_encap_size = MLX5_CAP_FLOWTABLE(dev, max_encap_header_size); 797 798 if (params->size > max_encap_size) { 799 mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n", 800 params->size, max_encap_size); 801 return -EINVAL; 802 } 803 804 in = kzalloc(MLX5_ST_SZ_BYTES(alloc_packet_reformat_context_in) + 805 params->size, GFP_KERNEL); 806 if (!in) 807 return -ENOMEM; 808 809 packet_reformat_context_in = MLX5_ADDR_OF(alloc_packet_reformat_context_in, 810 in, packet_reformat_context); 811 reformat = MLX5_ADDR_OF(packet_reformat_context_in, 812 packet_reformat_context_in, 813 reformat_data); 814 inlen = reformat - (void *)in + params->size; 815 816 MLX5_SET(alloc_packet_reformat_context_in, in, opcode, 817 MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT); 818 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in, 819 reformat_data_size, params->size); 820 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in, 821 reformat_type, params->type); 822 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in, 823 reformat_param_0, params->param_0); 824 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in, 825 reformat_param_1, params->param_1); 826 if (params->data && params->size) 827 memcpy(reformat, params->data, params->size); 828 829 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); 830 831 pkt_reformat->id = MLX5_GET(alloc_packet_reformat_context_out, 832 out, packet_reformat_id); 833 kfree(in); 834 return err; 835 } 836 837 static void mlx5_cmd_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns, 838 struct mlx5_pkt_reformat *pkt_reformat) 839 { 840 u32 in[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_in)] = {}; 841 struct mlx5_core_dev *dev = ns->dev; 842 843 MLX5_SET(dealloc_packet_reformat_context_in, in, opcode, 844 MLX5_CMD_OP_DEALLOC_PACKET_REFORMAT_CONTEXT); 845 MLX5_SET(dealloc_packet_reformat_context_in, in, packet_reformat_id, 846 pkt_reformat->id); 847 848 mlx5_cmd_exec_in(dev, dealloc_packet_reformat_context, in); 849 } 850 851 static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns, 852 u8 namespace, u8 num_actions, 853 void *modify_actions, 854 struct mlx5_modify_hdr *modify_hdr) 855 { 856 u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)] = {}; 857 int max_actions, actions_size, inlen, err; 858 struct mlx5_core_dev *dev = ns->dev; 859 void *actions_in; 860 u8 table_type; 861 u32 *in; 862 863 switch (namespace) { 864 case MLX5_FLOW_NAMESPACE_FDB: 865 case MLX5_FLOW_NAMESPACE_FDB_BYPASS: 866 max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions); 867 table_type = FS_FT_FDB; 868 break; 869 case MLX5_FLOW_NAMESPACE_KERNEL: 870 case MLX5_FLOW_NAMESPACE_BYPASS: 871 max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions); 872 table_type = FS_FT_NIC_RX; 873 break; 874 case MLX5_FLOW_NAMESPACE_EGRESS: 875 #ifdef CONFIG_MLX5_IPSEC 876 case MLX5_FLOW_NAMESPACE_EGRESS_KERNEL: 877 #endif 878 max_actions = MLX5_CAP_FLOWTABLE_NIC_TX(dev, max_modify_header_actions); 879 table_type = FS_FT_NIC_TX; 880 break; 881 case MLX5_FLOW_NAMESPACE_ESW_INGRESS: 882 max_actions = MLX5_CAP_ESW_INGRESS_ACL(dev, max_modify_header_actions); 883 table_type = FS_FT_ESW_INGRESS_ACL; 884 break; 885 case MLX5_FLOW_NAMESPACE_RDMA_TX: 886 max_actions = MLX5_CAP_FLOWTABLE_RDMA_TX(dev, max_modify_header_actions); 887 table_type = FS_FT_RDMA_TX; 888 break; 889 default: 890 return -EOPNOTSUPP; 891 } 892 893 if (num_actions > max_actions) { 894 mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n", 895 num_actions, max_actions); 896 return -EOPNOTSUPP; 897 } 898 899 actions_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) * num_actions; 900 inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size; 901 902 in = kzalloc(inlen, GFP_KERNEL); 903 if (!in) 904 return -ENOMEM; 905 906 MLX5_SET(alloc_modify_header_context_in, in, opcode, 907 MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT); 908 MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type); 909 MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions); 910 911 actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions); 912 memcpy(actions_in, modify_actions, actions_size); 913 914 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); 915 916 modify_hdr->id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id); 917 kfree(in); 918 return err; 919 } 920 921 static void mlx5_cmd_modify_header_dealloc(struct mlx5_flow_root_namespace *ns, 922 struct mlx5_modify_hdr *modify_hdr) 923 { 924 u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)] = {}; 925 struct mlx5_core_dev *dev = ns->dev; 926 927 MLX5_SET(dealloc_modify_header_context_in, in, opcode, 928 MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT); 929 MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id, 930 modify_hdr->id); 931 932 mlx5_cmd_exec_in(dev, dealloc_modify_header_context, in); 933 } 934 935 static int mlx5_cmd_destroy_match_definer(struct mlx5_flow_root_namespace *ns, 936 int definer_id) 937 { 938 u32 in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {}; 939 u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; 940 941 MLX5_SET(general_obj_in_cmd_hdr, in, opcode, 942 MLX5_CMD_OP_DESTROY_GENERAL_OBJECT); 943 MLX5_SET(general_obj_in_cmd_hdr, in, obj_type, 944 MLX5_OBJ_TYPE_MATCH_DEFINER); 945 MLX5_SET(general_obj_in_cmd_hdr, in, obj_id, definer_id); 946 947 return mlx5_cmd_exec(ns->dev, in, sizeof(in), out, sizeof(out)); 948 } 949 950 static int mlx5_cmd_create_match_definer(struct mlx5_flow_root_namespace *ns, 951 u16 format_id, u32 *match_mask) 952 { 953 u32 out[MLX5_ST_SZ_DW(create_match_definer_out)] = {}; 954 u32 in[MLX5_ST_SZ_DW(create_match_definer_in)] = {}; 955 struct mlx5_core_dev *dev = ns->dev; 956 void *ptr; 957 int err; 958 959 MLX5_SET(create_match_definer_in, in, general_obj_in_cmd_hdr.opcode, 960 MLX5_CMD_OP_CREATE_GENERAL_OBJECT); 961 MLX5_SET(create_match_definer_in, in, general_obj_in_cmd_hdr.obj_type, 962 MLX5_OBJ_TYPE_MATCH_DEFINER); 963 964 ptr = MLX5_ADDR_OF(create_match_definer_in, in, obj_context); 965 MLX5_SET(match_definer, ptr, format_id, format_id); 966 967 ptr = MLX5_ADDR_OF(match_definer, ptr, match_mask); 968 memcpy(ptr, match_mask, MLX5_FLD_SZ_BYTES(match_definer, match_mask)); 969 970 err = mlx5_cmd_exec_inout(dev, create_match_definer, in, out); 971 return err ? err : MLX5_GET(general_obj_out_cmd_hdr, out, obj_id); 972 } 973 974 static const struct mlx5_flow_cmds mlx5_flow_cmds = { 975 .create_flow_table = mlx5_cmd_create_flow_table, 976 .destroy_flow_table = mlx5_cmd_destroy_flow_table, 977 .modify_flow_table = mlx5_cmd_modify_flow_table, 978 .create_flow_group = mlx5_cmd_create_flow_group, 979 .destroy_flow_group = mlx5_cmd_destroy_flow_group, 980 .create_fte = mlx5_cmd_create_fte, 981 .update_fte = mlx5_cmd_update_fte, 982 .delete_fte = mlx5_cmd_delete_fte, 983 .update_root_ft = mlx5_cmd_update_root_ft, 984 .packet_reformat_alloc = mlx5_cmd_packet_reformat_alloc, 985 .packet_reformat_dealloc = mlx5_cmd_packet_reformat_dealloc, 986 .modify_header_alloc = mlx5_cmd_modify_header_alloc, 987 .modify_header_dealloc = mlx5_cmd_modify_header_dealloc, 988 .create_match_definer = mlx5_cmd_create_match_definer, 989 .destroy_match_definer = mlx5_cmd_destroy_match_definer, 990 .set_peer = mlx5_cmd_stub_set_peer, 991 .create_ns = mlx5_cmd_stub_create_ns, 992 .destroy_ns = mlx5_cmd_stub_destroy_ns, 993 }; 994 995 static const struct mlx5_flow_cmds mlx5_flow_cmd_stubs = { 996 .create_flow_table = mlx5_cmd_stub_create_flow_table, 997 .destroy_flow_table = mlx5_cmd_stub_destroy_flow_table, 998 .modify_flow_table = mlx5_cmd_stub_modify_flow_table, 999 .create_flow_group = mlx5_cmd_stub_create_flow_group, 1000 .destroy_flow_group = mlx5_cmd_stub_destroy_flow_group, 1001 .create_fte = mlx5_cmd_stub_create_fte, 1002 .update_fte = mlx5_cmd_stub_update_fte, 1003 .delete_fte = mlx5_cmd_stub_delete_fte, 1004 .update_root_ft = mlx5_cmd_stub_update_root_ft, 1005 .packet_reformat_alloc = mlx5_cmd_stub_packet_reformat_alloc, 1006 .packet_reformat_dealloc = mlx5_cmd_stub_packet_reformat_dealloc, 1007 .modify_header_alloc = mlx5_cmd_stub_modify_header_alloc, 1008 .modify_header_dealloc = mlx5_cmd_stub_modify_header_dealloc, 1009 .create_match_definer = mlx5_cmd_stub_create_match_definer, 1010 .destroy_match_definer = mlx5_cmd_stub_destroy_match_definer, 1011 .set_peer = mlx5_cmd_stub_set_peer, 1012 .create_ns = mlx5_cmd_stub_create_ns, 1013 .destroy_ns = mlx5_cmd_stub_destroy_ns, 1014 }; 1015 1016 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void) 1017 { 1018 return &mlx5_flow_cmds; 1019 } 1020 1021 static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_stub_cmds(void) 1022 { 1023 return &mlx5_flow_cmd_stubs; 1024 } 1025 1026 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type type) 1027 { 1028 switch (type) { 1029 case FS_FT_NIC_RX: 1030 case FS_FT_ESW_EGRESS_ACL: 1031 case FS_FT_ESW_INGRESS_ACL: 1032 case FS_FT_FDB: 1033 case FS_FT_SNIFFER_RX: 1034 case FS_FT_SNIFFER_TX: 1035 case FS_FT_NIC_TX: 1036 case FS_FT_RDMA_RX: 1037 case FS_FT_RDMA_TX: 1038 case FS_FT_PORT_SEL: 1039 return mlx5_fs_cmd_get_fw_cmds(); 1040 default: 1041 return mlx5_fs_cmd_get_stub_cmds(); 1042 } 1043 } 1044