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 "mlx5_core.h" 40 #include "eswitch.h" 41 42 static int mlx5_cmd_stub_update_root_ft(struct mlx5_flow_root_namespace *ns, 43 struct mlx5_flow_table *ft, 44 u32 underlay_qpn, 45 bool disconnect) 46 { 47 return 0; 48 } 49 50 static int mlx5_cmd_stub_create_flow_table(struct mlx5_flow_root_namespace *ns, 51 struct mlx5_flow_table *ft, 52 unsigned int log_size, 53 struct mlx5_flow_table *next_ft) 54 { 55 return 0; 56 } 57 58 static int mlx5_cmd_stub_destroy_flow_table(struct mlx5_flow_root_namespace *ns, 59 struct mlx5_flow_table *ft) 60 { 61 return 0; 62 } 63 64 static int mlx5_cmd_stub_modify_flow_table(struct mlx5_flow_root_namespace *ns, 65 struct mlx5_flow_table *ft, 66 struct mlx5_flow_table *next_ft) 67 { 68 return 0; 69 } 70 71 static int mlx5_cmd_stub_create_flow_group(struct mlx5_flow_root_namespace *ns, 72 struct mlx5_flow_table *ft, 73 u32 *in, 74 struct mlx5_flow_group *fg) 75 { 76 return 0; 77 } 78 79 static int mlx5_cmd_stub_destroy_flow_group(struct mlx5_flow_root_namespace *ns, 80 struct mlx5_flow_table *ft, 81 struct mlx5_flow_group *fg) 82 { 83 return 0; 84 } 85 86 static int mlx5_cmd_stub_create_fte(struct mlx5_flow_root_namespace *ns, 87 struct mlx5_flow_table *ft, 88 struct mlx5_flow_group *group, 89 struct fs_fte *fte) 90 { 91 return 0; 92 } 93 94 static int mlx5_cmd_stub_update_fte(struct mlx5_flow_root_namespace *ns, 95 struct mlx5_flow_table *ft, 96 struct mlx5_flow_group *group, 97 int modify_mask, 98 struct fs_fte *fte) 99 { 100 return -EOPNOTSUPP; 101 } 102 103 static int mlx5_cmd_stub_delete_fte(struct mlx5_flow_root_namespace *ns, 104 struct mlx5_flow_table *ft, 105 struct fs_fte *fte) 106 { 107 return 0; 108 } 109 110 static int mlx5_cmd_stub_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns, 111 int reformat_type, 112 size_t size, 113 void *reformat_data, 114 enum mlx5_flow_namespace_type namespace, 115 struct mlx5_pkt_reformat *pkt_reformat) 116 { 117 return 0; 118 } 119 120 static void mlx5_cmd_stub_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns, 121 struct mlx5_pkt_reformat *pkt_reformat) 122 { 123 } 124 125 static int mlx5_cmd_stub_modify_header_alloc(struct mlx5_flow_root_namespace *ns, 126 u8 namespace, u8 num_actions, 127 void *modify_actions, 128 struct mlx5_modify_hdr *modify_hdr) 129 { 130 return 0; 131 } 132 133 static void mlx5_cmd_stub_modify_header_dealloc(struct mlx5_flow_root_namespace *ns, 134 struct mlx5_modify_hdr *modify_hdr) 135 { 136 } 137 138 static int mlx5_cmd_stub_set_peer(struct mlx5_flow_root_namespace *ns, 139 struct mlx5_flow_root_namespace *peer_ns) 140 { 141 return 0; 142 } 143 144 static int mlx5_cmd_stub_create_ns(struct mlx5_flow_root_namespace *ns) 145 { 146 return 0; 147 } 148 149 static int mlx5_cmd_stub_destroy_ns(struct mlx5_flow_root_namespace *ns) 150 { 151 return 0; 152 } 153 154 static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns, 155 struct mlx5_flow_table *ft, u32 underlay_qpn, 156 bool disconnect) 157 { 158 u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {0}; 159 u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {0}; 160 struct mlx5_core_dev *dev = ns->dev; 161 162 if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) && 163 underlay_qpn == 0) 164 return 0; 165 166 MLX5_SET(set_flow_table_root_in, in, opcode, 167 MLX5_CMD_OP_SET_FLOW_TABLE_ROOT); 168 MLX5_SET(set_flow_table_root_in, in, table_type, ft->type); 169 170 if (disconnect) { 171 MLX5_SET(set_flow_table_root_in, in, op_mod, 1); 172 MLX5_SET(set_flow_table_root_in, in, table_id, 0); 173 } else { 174 MLX5_SET(set_flow_table_root_in, in, op_mod, 0); 175 MLX5_SET(set_flow_table_root_in, in, table_id, ft->id); 176 } 177 178 MLX5_SET(set_flow_table_root_in, in, underlay_qpn, underlay_qpn); 179 if (ft->vport) { 180 MLX5_SET(set_flow_table_root_in, in, vport_number, ft->vport); 181 MLX5_SET(set_flow_table_root_in, in, other_vport, 1); 182 } 183 184 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 185 } 186 187 static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns, 188 struct mlx5_flow_table *ft, 189 unsigned int log_size, 190 struct mlx5_flow_table *next_ft) 191 { 192 int en_encap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT); 193 int en_decap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_DECAP); 194 int term = !!(ft->flags & MLX5_FLOW_TABLE_TERMINATION); 195 u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {0}; 196 u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {0}; 197 struct mlx5_core_dev *dev = ns->dev; 198 int err; 199 200 MLX5_SET(create_flow_table_in, in, opcode, 201 MLX5_CMD_OP_CREATE_FLOW_TABLE); 202 203 MLX5_SET(create_flow_table_in, in, table_type, ft->type); 204 MLX5_SET(create_flow_table_in, in, flow_table_context.level, ft->level); 205 MLX5_SET(create_flow_table_in, in, flow_table_context.log_size, log_size); 206 if (ft->vport) { 207 MLX5_SET(create_flow_table_in, in, vport_number, ft->vport); 208 MLX5_SET(create_flow_table_in, in, other_vport, 1); 209 } 210 211 MLX5_SET(create_flow_table_in, in, flow_table_context.decap_en, 212 en_decap); 213 MLX5_SET(create_flow_table_in, in, flow_table_context.reformat_en, 214 en_encap); 215 MLX5_SET(create_flow_table_in, in, flow_table_context.termination_table, 216 term); 217 218 switch (ft->op_mod) { 219 case FS_FT_OP_MOD_NORMAL: 220 if (next_ft) { 221 MLX5_SET(create_flow_table_in, in, 222 flow_table_context.table_miss_action, 223 MLX5_FLOW_TABLE_MISS_ACTION_FWD); 224 MLX5_SET(create_flow_table_in, in, 225 flow_table_context.table_miss_id, next_ft->id); 226 } else { 227 MLX5_SET(create_flow_table_in, in, 228 flow_table_context.table_miss_action, 229 ft->def_miss_action); 230 } 231 break; 232 233 case FS_FT_OP_MOD_LAG_DEMUX: 234 MLX5_SET(create_flow_table_in, in, op_mod, 0x1); 235 if (next_ft) 236 MLX5_SET(create_flow_table_in, in, 237 flow_table_context.lag_master_next_table_id, 238 next_ft->id); 239 break; 240 } 241 242 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 243 if (!err) 244 ft->id = MLX5_GET(create_flow_table_out, out, 245 table_id); 246 return err; 247 } 248 249 static int mlx5_cmd_destroy_flow_table(struct mlx5_flow_root_namespace *ns, 250 struct mlx5_flow_table *ft) 251 { 252 u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {0}; 253 u32 out[MLX5_ST_SZ_DW(destroy_flow_table_out)] = {0}; 254 struct mlx5_core_dev *dev = ns->dev; 255 256 MLX5_SET(destroy_flow_table_in, in, opcode, 257 MLX5_CMD_OP_DESTROY_FLOW_TABLE); 258 MLX5_SET(destroy_flow_table_in, in, table_type, ft->type); 259 MLX5_SET(destroy_flow_table_in, in, table_id, ft->id); 260 if (ft->vport) { 261 MLX5_SET(destroy_flow_table_in, in, vport_number, ft->vport); 262 MLX5_SET(destroy_flow_table_in, in, other_vport, 1); 263 } 264 265 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 266 } 267 268 static int mlx5_cmd_modify_flow_table(struct mlx5_flow_root_namespace *ns, 269 struct mlx5_flow_table *ft, 270 struct mlx5_flow_table *next_ft) 271 { 272 u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)] = {0}; 273 u32 out[MLX5_ST_SZ_DW(modify_flow_table_out)] = {0}; 274 struct mlx5_core_dev *dev = ns->dev; 275 276 MLX5_SET(modify_flow_table_in, in, opcode, 277 MLX5_CMD_OP_MODIFY_FLOW_TABLE); 278 MLX5_SET(modify_flow_table_in, in, table_type, ft->type); 279 MLX5_SET(modify_flow_table_in, in, table_id, ft->id); 280 281 if (ft->op_mod == FS_FT_OP_MOD_LAG_DEMUX) { 282 MLX5_SET(modify_flow_table_in, in, modify_field_select, 283 MLX5_MODIFY_FLOW_TABLE_LAG_NEXT_TABLE_ID); 284 if (next_ft) { 285 MLX5_SET(modify_flow_table_in, in, 286 flow_table_context.lag_master_next_table_id, next_ft->id); 287 } else { 288 MLX5_SET(modify_flow_table_in, in, 289 flow_table_context.lag_master_next_table_id, 0); 290 } 291 } else { 292 if (ft->vport) { 293 MLX5_SET(modify_flow_table_in, in, vport_number, 294 ft->vport); 295 MLX5_SET(modify_flow_table_in, in, other_vport, 1); 296 } 297 MLX5_SET(modify_flow_table_in, in, modify_field_select, 298 MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID); 299 if (next_ft) { 300 MLX5_SET(modify_flow_table_in, in, 301 flow_table_context.table_miss_action, 302 MLX5_FLOW_TABLE_MISS_ACTION_FWD); 303 MLX5_SET(modify_flow_table_in, in, 304 flow_table_context.table_miss_id, 305 next_ft->id); 306 } else { 307 MLX5_SET(modify_flow_table_in, in, 308 flow_table_context.table_miss_action, 309 ft->def_miss_action); 310 } 311 } 312 313 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 314 } 315 316 static int mlx5_cmd_create_flow_group(struct mlx5_flow_root_namespace *ns, 317 struct mlx5_flow_table *ft, 318 u32 *in, 319 struct mlx5_flow_group *fg) 320 { 321 u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {0}; 322 int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); 323 struct mlx5_core_dev *dev = ns->dev; 324 int err; 325 326 MLX5_SET(create_flow_group_in, in, opcode, 327 MLX5_CMD_OP_CREATE_FLOW_GROUP); 328 MLX5_SET(create_flow_group_in, in, table_type, ft->type); 329 MLX5_SET(create_flow_group_in, in, table_id, ft->id); 330 if (ft->vport) { 331 MLX5_SET(create_flow_group_in, in, vport_number, ft->vport); 332 MLX5_SET(create_flow_group_in, in, other_vport, 1); 333 } 334 335 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); 336 if (!err) 337 fg->id = MLX5_GET(create_flow_group_out, out, 338 group_id); 339 return err; 340 } 341 342 static int mlx5_cmd_destroy_flow_group(struct mlx5_flow_root_namespace *ns, 343 struct mlx5_flow_table *ft, 344 struct mlx5_flow_group *fg) 345 { 346 u32 out[MLX5_ST_SZ_DW(destroy_flow_group_out)] = {0}; 347 u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {0}; 348 struct mlx5_core_dev *dev = ns->dev; 349 350 MLX5_SET(destroy_flow_group_in, in, opcode, 351 MLX5_CMD_OP_DESTROY_FLOW_GROUP); 352 MLX5_SET(destroy_flow_group_in, in, table_type, ft->type); 353 MLX5_SET(destroy_flow_group_in, in, table_id, ft->id); 354 MLX5_SET(destroy_flow_group_in, in, group_id, fg->id); 355 if (ft->vport) { 356 MLX5_SET(destroy_flow_group_in, in, vport_number, ft->vport); 357 MLX5_SET(destroy_flow_group_in, in, other_vport, 1); 358 } 359 360 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 361 } 362 363 static int mlx5_set_extended_dest(struct mlx5_core_dev *dev, 364 struct fs_fte *fte, bool *extended_dest) 365 { 366 int fw_log_max_fdb_encap_uplink = 367 MLX5_CAP_ESW(dev, log_max_fdb_encap_uplink); 368 int num_fwd_destinations = 0; 369 struct mlx5_flow_rule *dst; 370 int num_encap = 0; 371 372 *extended_dest = false; 373 if (!(fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST)) 374 return 0; 375 376 list_for_each_entry(dst, &fte->node.children, node.list) { 377 if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER) 378 continue; 379 if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_VPORT && 380 dst->dest_attr.vport.flags & MLX5_FLOW_DEST_VPORT_REFORMAT_ID) 381 num_encap++; 382 num_fwd_destinations++; 383 } 384 if (num_fwd_destinations > 1 && num_encap > 0) 385 *extended_dest = true; 386 387 if (*extended_dest && !fw_log_max_fdb_encap_uplink) { 388 mlx5_core_warn(dev, "FW does not support extended destination"); 389 return -EOPNOTSUPP; 390 } 391 if (num_encap > (1 << fw_log_max_fdb_encap_uplink)) { 392 mlx5_core_warn(dev, "FW does not support more than %d encaps", 393 1 << fw_log_max_fdb_encap_uplink); 394 return -EOPNOTSUPP; 395 } 396 397 return 0; 398 } 399 static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev, 400 int opmod, int modify_mask, 401 struct mlx5_flow_table *ft, 402 unsigned group_id, 403 struct fs_fte *fte) 404 { 405 u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0}; 406 bool extended_dest = false; 407 struct mlx5_flow_rule *dst; 408 void *in_flow_context, *vlan; 409 void *in_match_value; 410 unsigned int inlen; 411 int dst_cnt_size; 412 void *in_dests; 413 u32 *in; 414 int err; 415 416 if (mlx5_set_extended_dest(dev, fte, &extended_dest)) 417 return -EOPNOTSUPP; 418 419 if (!extended_dest) 420 dst_cnt_size = MLX5_ST_SZ_BYTES(dest_format_struct); 421 else 422 dst_cnt_size = MLX5_ST_SZ_BYTES(extended_dest_format); 423 424 inlen = MLX5_ST_SZ_BYTES(set_fte_in) + fte->dests_size * dst_cnt_size; 425 in = kvzalloc(inlen, GFP_KERNEL); 426 if (!in) 427 return -ENOMEM; 428 429 MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY); 430 MLX5_SET(set_fte_in, in, op_mod, opmod); 431 MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask); 432 MLX5_SET(set_fte_in, in, table_type, ft->type); 433 MLX5_SET(set_fte_in, in, table_id, ft->id); 434 MLX5_SET(set_fte_in, in, flow_index, fte->index); 435 if (ft->vport) { 436 MLX5_SET(set_fte_in, in, vport_number, ft->vport); 437 MLX5_SET(set_fte_in, in, other_vport, 1); 438 } 439 440 in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context); 441 MLX5_SET(flow_context, in_flow_context, group_id, group_id); 442 443 MLX5_SET(flow_context, in_flow_context, flow_tag, 444 fte->flow_context.flow_tag); 445 MLX5_SET(flow_context, in_flow_context, flow_source, 446 fte->flow_context.flow_source); 447 448 MLX5_SET(flow_context, in_flow_context, extended_destination, 449 extended_dest); 450 if (extended_dest) { 451 u32 action; 452 453 action = fte->action.action & 454 ~MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 455 MLX5_SET(flow_context, in_flow_context, action, action); 456 } else { 457 MLX5_SET(flow_context, in_flow_context, action, 458 fte->action.action); 459 if (fte->action.pkt_reformat) 460 MLX5_SET(flow_context, in_flow_context, packet_reformat_id, 461 fte->action.pkt_reformat->id); 462 } 463 if (fte->action.modify_hdr) 464 MLX5_SET(flow_context, in_flow_context, modify_header_id, 465 fte->action.modify_hdr->id); 466 467 vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan); 468 469 MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype); 470 MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid); 471 MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio); 472 473 vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2); 474 475 MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype); 476 MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid); 477 MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio); 478 479 in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context, 480 match_value); 481 memcpy(in_match_value, &fte->val, sizeof(fte->val)); 482 483 in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination); 484 if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 485 int list_size = 0; 486 487 list_for_each_entry(dst, &fte->node.children, node.list) { 488 unsigned int id, type = dst->dest_attr.type; 489 490 if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER) 491 continue; 492 493 switch (type) { 494 case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM: 495 id = dst->dest_attr.ft_num; 496 type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 497 break; 498 case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE: 499 id = dst->dest_attr.ft->id; 500 break; 501 case MLX5_FLOW_DESTINATION_TYPE_VPORT: 502 id = dst->dest_attr.vport.num; 503 MLX5_SET(dest_format_struct, in_dests, 504 destination_eswitch_owner_vhca_id_valid, 505 !!(dst->dest_attr.vport.flags & 506 MLX5_FLOW_DEST_VPORT_VHCA_ID)); 507 MLX5_SET(dest_format_struct, in_dests, 508 destination_eswitch_owner_vhca_id, 509 dst->dest_attr.vport.vhca_id); 510 if (extended_dest && 511 dst->dest_attr.vport.pkt_reformat) { 512 MLX5_SET(dest_format_struct, in_dests, 513 packet_reformat, 514 !!(dst->dest_attr.vport.flags & 515 MLX5_FLOW_DEST_VPORT_REFORMAT_ID)); 516 MLX5_SET(extended_dest_format, in_dests, 517 packet_reformat_id, 518 dst->dest_attr.vport.pkt_reformat->id); 519 } 520 break; 521 default: 522 id = dst->dest_attr.tir_num; 523 } 524 525 MLX5_SET(dest_format_struct, in_dests, destination_type, 526 type); 527 MLX5_SET(dest_format_struct, in_dests, destination_id, id); 528 in_dests += dst_cnt_size; 529 list_size++; 530 } 531 532 MLX5_SET(flow_context, in_flow_context, destination_list_size, 533 list_size); 534 } 535 536 if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 537 int max_list_size = BIT(MLX5_CAP_FLOWTABLE_TYPE(dev, 538 log_max_flow_counter, 539 ft->type)); 540 int list_size = 0; 541 542 list_for_each_entry(dst, &fte->node.children, node.list) { 543 if (dst->dest_attr.type != 544 MLX5_FLOW_DESTINATION_TYPE_COUNTER) 545 continue; 546 547 MLX5_SET(flow_counter_list, in_dests, flow_counter_id, 548 dst->dest_attr.counter_id); 549 in_dests += dst_cnt_size; 550 list_size++; 551 } 552 if (list_size > max_list_size) { 553 err = -EINVAL; 554 goto err_out; 555 } 556 557 MLX5_SET(flow_context, in_flow_context, flow_counter_list_size, 558 list_size); 559 } 560 561 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); 562 err_out: 563 kvfree(in); 564 return err; 565 } 566 567 static int mlx5_cmd_create_fte(struct mlx5_flow_root_namespace *ns, 568 struct mlx5_flow_table *ft, 569 struct mlx5_flow_group *group, 570 struct fs_fte *fte) 571 { 572 struct mlx5_core_dev *dev = ns->dev; 573 unsigned int group_id = group->id; 574 575 return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte); 576 } 577 578 static int mlx5_cmd_update_fte(struct mlx5_flow_root_namespace *ns, 579 struct mlx5_flow_table *ft, 580 struct mlx5_flow_group *fg, 581 int modify_mask, 582 struct fs_fte *fte) 583 { 584 int opmod; 585 struct mlx5_core_dev *dev = ns->dev; 586 int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev, 587 flow_table_properties_nic_receive. 588 flow_modify_en); 589 if (!atomic_mod_cap) 590 return -EOPNOTSUPP; 591 opmod = 1; 592 593 return mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, fg->id, fte); 594 } 595 596 static int mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace *ns, 597 struct mlx5_flow_table *ft, 598 struct fs_fte *fte) 599 { 600 u32 out[MLX5_ST_SZ_DW(delete_fte_out)] = {0}; 601 u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {0}; 602 struct mlx5_core_dev *dev = ns->dev; 603 604 MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY); 605 MLX5_SET(delete_fte_in, in, table_type, ft->type); 606 MLX5_SET(delete_fte_in, in, table_id, ft->id); 607 MLX5_SET(delete_fte_in, in, flow_index, fte->index); 608 if (ft->vport) { 609 MLX5_SET(delete_fte_in, in, vport_number, ft->vport); 610 MLX5_SET(delete_fte_in, in, other_vport, 1); 611 } 612 613 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 614 } 615 616 int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, 617 enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask, 618 u32 *id) 619 { 620 u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {0}; 621 u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0}; 622 int err; 623 624 MLX5_SET(alloc_flow_counter_in, in, opcode, 625 MLX5_CMD_OP_ALLOC_FLOW_COUNTER); 626 MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, alloc_bitmask); 627 628 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 629 if (!err) 630 *id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id); 631 return err; 632 } 633 634 int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id) 635 { 636 return mlx5_cmd_fc_bulk_alloc(dev, 0, id); 637 } 638 639 int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id) 640 { 641 u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {0}; 642 u32 out[MLX5_ST_SZ_DW(dealloc_flow_counter_out)] = {0}; 643 644 MLX5_SET(dealloc_flow_counter_in, in, opcode, 645 MLX5_CMD_OP_DEALLOC_FLOW_COUNTER); 646 MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id); 647 return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 648 } 649 650 int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id, 651 u64 *packets, u64 *bytes) 652 { 653 u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) + 654 MLX5_ST_SZ_BYTES(traffic_counter)] = {0}; 655 u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0}; 656 void *stats; 657 int err = 0; 658 659 MLX5_SET(query_flow_counter_in, in, opcode, 660 MLX5_CMD_OP_QUERY_FLOW_COUNTER); 661 MLX5_SET(query_flow_counter_in, in, op_mod, 0); 662 MLX5_SET(query_flow_counter_in, in, flow_counter_id, id); 663 err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 664 if (err) 665 return err; 666 667 stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics); 668 *packets = MLX5_GET64(traffic_counter, stats, packets); 669 *bytes = MLX5_GET64(traffic_counter, stats, octets); 670 return 0; 671 } 672 673 int mlx5_cmd_fc_get_bulk_query_out_len(int bulk_len) 674 { 675 return MLX5_ST_SZ_BYTES(query_flow_counter_out) + 676 MLX5_ST_SZ_BYTES(traffic_counter) * bulk_len; 677 } 678 679 int mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, u32 base_id, int bulk_len, 680 u32 *out) 681 { 682 int outlen = mlx5_cmd_fc_get_bulk_query_out_len(bulk_len); 683 u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0}; 684 685 MLX5_SET(query_flow_counter_in, in, opcode, 686 MLX5_CMD_OP_QUERY_FLOW_COUNTER); 687 MLX5_SET(query_flow_counter_in, in, op_mod, 0); 688 MLX5_SET(query_flow_counter_in, in, flow_counter_id, base_id); 689 MLX5_SET(query_flow_counter_in, in, num_of_counters, bulk_len); 690 return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen); 691 } 692 693 static int mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns, 694 int reformat_type, 695 size_t size, 696 void *reformat_data, 697 enum mlx5_flow_namespace_type namespace, 698 struct mlx5_pkt_reformat *pkt_reformat) 699 { 700 u32 out[MLX5_ST_SZ_DW(alloc_packet_reformat_context_out)]; 701 struct mlx5_core_dev *dev = ns->dev; 702 void *packet_reformat_context_in; 703 int max_encap_size; 704 void *reformat; 705 int inlen; 706 int err; 707 u32 *in; 708 709 if (namespace == MLX5_FLOW_NAMESPACE_FDB) 710 max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size); 711 else 712 max_encap_size = MLX5_CAP_FLOWTABLE(dev, max_encap_header_size); 713 714 if (size > max_encap_size) { 715 mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n", 716 size, max_encap_size); 717 return -EINVAL; 718 } 719 720 in = kzalloc(MLX5_ST_SZ_BYTES(alloc_packet_reformat_context_in) + size, 721 GFP_KERNEL); 722 if (!in) 723 return -ENOMEM; 724 725 packet_reformat_context_in = MLX5_ADDR_OF(alloc_packet_reformat_context_in, 726 in, packet_reformat_context); 727 reformat = MLX5_ADDR_OF(packet_reformat_context_in, 728 packet_reformat_context_in, 729 reformat_data); 730 inlen = reformat - (void *)in + size; 731 732 memset(in, 0, inlen); 733 MLX5_SET(alloc_packet_reformat_context_in, in, opcode, 734 MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT); 735 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in, 736 reformat_data_size, size); 737 MLX5_SET(packet_reformat_context_in, packet_reformat_context_in, 738 reformat_type, reformat_type); 739 memcpy(reformat, reformat_data, size); 740 741 memset(out, 0, sizeof(out)); 742 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); 743 744 pkt_reformat->id = MLX5_GET(alloc_packet_reformat_context_out, 745 out, packet_reformat_id); 746 kfree(in); 747 return err; 748 } 749 750 static void mlx5_cmd_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns, 751 struct mlx5_pkt_reformat *pkt_reformat) 752 { 753 u32 in[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_in)]; 754 u32 out[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_out)]; 755 struct mlx5_core_dev *dev = ns->dev; 756 757 memset(in, 0, sizeof(in)); 758 MLX5_SET(dealloc_packet_reformat_context_in, in, opcode, 759 MLX5_CMD_OP_DEALLOC_PACKET_REFORMAT_CONTEXT); 760 MLX5_SET(dealloc_packet_reformat_context_in, in, packet_reformat_id, 761 pkt_reformat->id); 762 763 mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 764 } 765 766 static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns, 767 u8 namespace, u8 num_actions, 768 void *modify_actions, 769 struct mlx5_modify_hdr *modify_hdr) 770 { 771 u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)]; 772 int max_actions, actions_size, inlen, err; 773 struct mlx5_core_dev *dev = ns->dev; 774 void *actions_in; 775 u8 table_type; 776 u32 *in; 777 778 switch (namespace) { 779 case MLX5_FLOW_NAMESPACE_FDB: 780 max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions); 781 table_type = FS_FT_FDB; 782 break; 783 case MLX5_FLOW_NAMESPACE_KERNEL: 784 case MLX5_FLOW_NAMESPACE_BYPASS: 785 max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions); 786 table_type = FS_FT_NIC_RX; 787 break; 788 case MLX5_FLOW_NAMESPACE_EGRESS: 789 max_actions = MLX5_CAP_FLOWTABLE_NIC_TX(dev, max_modify_header_actions); 790 table_type = FS_FT_NIC_TX; 791 break; 792 case MLX5_FLOW_NAMESPACE_ESW_INGRESS: 793 max_actions = MLX5_CAP_ESW_INGRESS_ACL(dev, max_modify_header_actions); 794 table_type = FS_FT_ESW_INGRESS_ACL; 795 break; 796 default: 797 return -EOPNOTSUPP; 798 } 799 800 if (num_actions > max_actions) { 801 mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n", 802 num_actions, max_actions); 803 return -EOPNOTSUPP; 804 } 805 806 actions_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) * num_actions; 807 inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size; 808 809 in = kzalloc(inlen, GFP_KERNEL); 810 if (!in) 811 return -ENOMEM; 812 813 MLX5_SET(alloc_modify_header_context_in, in, opcode, 814 MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT); 815 MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type); 816 MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions); 817 818 actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions); 819 memcpy(actions_in, modify_actions, actions_size); 820 821 memset(out, 0, sizeof(out)); 822 err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); 823 824 modify_hdr->id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id); 825 kfree(in); 826 return err; 827 } 828 829 static void mlx5_cmd_modify_header_dealloc(struct mlx5_flow_root_namespace *ns, 830 struct mlx5_modify_hdr *modify_hdr) 831 { 832 u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)]; 833 u32 out[MLX5_ST_SZ_DW(dealloc_modify_header_context_out)]; 834 struct mlx5_core_dev *dev = ns->dev; 835 836 memset(in, 0, sizeof(in)); 837 MLX5_SET(dealloc_modify_header_context_in, in, opcode, 838 MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT); 839 MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id, 840 modify_hdr->id); 841 842 mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); 843 } 844 845 static const struct mlx5_flow_cmds mlx5_flow_cmds = { 846 .create_flow_table = mlx5_cmd_create_flow_table, 847 .destroy_flow_table = mlx5_cmd_destroy_flow_table, 848 .modify_flow_table = mlx5_cmd_modify_flow_table, 849 .create_flow_group = mlx5_cmd_create_flow_group, 850 .destroy_flow_group = mlx5_cmd_destroy_flow_group, 851 .create_fte = mlx5_cmd_create_fte, 852 .update_fte = mlx5_cmd_update_fte, 853 .delete_fte = mlx5_cmd_delete_fte, 854 .update_root_ft = mlx5_cmd_update_root_ft, 855 .packet_reformat_alloc = mlx5_cmd_packet_reformat_alloc, 856 .packet_reformat_dealloc = mlx5_cmd_packet_reformat_dealloc, 857 .modify_header_alloc = mlx5_cmd_modify_header_alloc, 858 .modify_header_dealloc = mlx5_cmd_modify_header_dealloc, 859 .set_peer = mlx5_cmd_stub_set_peer, 860 .create_ns = mlx5_cmd_stub_create_ns, 861 .destroy_ns = mlx5_cmd_stub_destroy_ns, 862 }; 863 864 static const struct mlx5_flow_cmds mlx5_flow_cmd_stubs = { 865 .create_flow_table = mlx5_cmd_stub_create_flow_table, 866 .destroy_flow_table = mlx5_cmd_stub_destroy_flow_table, 867 .modify_flow_table = mlx5_cmd_stub_modify_flow_table, 868 .create_flow_group = mlx5_cmd_stub_create_flow_group, 869 .destroy_flow_group = mlx5_cmd_stub_destroy_flow_group, 870 .create_fte = mlx5_cmd_stub_create_fte, 871 .update_fte = mlx5_cmd_stub_update_fte, 872 .delete_fte = mlx5_cmd_stub_delete_fte, 873 .update_root_ft = mlx5_cmd_stub_update_root_ft, 874 .packet_reformat_alloc = mlx5_cmd_stub_packet_reformat_alloc, 875 .packet_reformat_dealloc = mlx5_cmd_stub_packet_reformat_dealloc, 876 .modify_header_alloc = mlx5_cmd_stub_modify_header_alloc, 877 .modify_header_dealloc = mlx5_cmd_stub_modify_header_dealloc, 878 .set_peer = mlx5_cmd_stub_set_peer, 879 .create_ns = mlx5_cmd_stub_create_ns, 880 .destroy_ns = mlx5_cmd_stub_destroy_ns, 881 }; 882 883 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void) 884 { 885 return &mlx5_flow_cmds; 886 } 887 888 static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_stub_cmds(void) 889 { 890 return &mlx5_flow_cmd_stubs; 891 } 892 893 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type type) 894 { 895 switch (type) { 896 case FS_FT_NIC_RX: 897 case FS_FT_ESW_EGRESS_ACL: 898 case FS_FT_ESW_INGRESS_ACL: 899 case FS_FT_FDB: 900 case FS_FT_SNIFFER_RX: 901 case FS_FT_SNIFFER_TX: 902 case FS_FT_NIC_TX: 903 case FS_FT_RDMA_RX: 904 return mlx5_fs_cmd_get_fw_cmds(); 905 default: 906 return mlx5_fs_cmd_get_stub_cmds(); 907 } 908 } 909