drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c

   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_core_dev *dev,
  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_core_dev *dev,
  51                                            u16 vport,
  52                                            enum fs_flow_table_op_mod op_mod,
  53                                            enum fs_flow_table_type type,
  54                                            unsigned int level,
  55                                            unsigned int log_size,
  56                                            struct mlx5_flow_table *next_ft,
  57                                            unsigned int *table_id, u32 flags)
  58 {
  59         return 0;
  60 }
  61
  62 static int mlx5_cmd_stub_destroy_flow_table(struct mlx5_core_dev *dev,
  63                                             struct mlx5_flow_table *ft)
  64 {
  65         return 0;
  66 }
  67
  68 static int mlx5_cmd_stub_modify_flow_table(struct mlx5_core_dev *dev,
  69                                            struct mlx5_flow_table *ft,
  70                                            struct mlx5_flow_table *next_ft)
  71 {
  72         return 0;
  73 }
  74
  75 static int mlx5_cmd_stub_create_flow_group(struct mlx5_core_dev *dev,
  76                                            struct mlx5_flow_table *ft,
  77                                            u32 *in,
  78                                            unsigned int *group_id)
  79 {
  80         return 0;
  81 }
  82
  83 static int mlx5_cmd_stub_destroy_flow_group(struct mlx5_core_dev *dev,
  84                                             struct mlx5_flow_table *ft,
  85                                             unsigned int group_id)
  86 {
  87         return 0;
  88 }
  89
  90 static int mlx5_cmd_stub_create_fte(struct mlx5_core_dev *dev,
  91                                     struct mlx5_flow_table *ft,
  92                                     struct mlx5_flow_group *group,
  93                                     struct fs_fte *fte)
  94 {
  95         return 0;
  96 }
  97
  98 static int mlx5_cmd_stub_update_fte(struct mlx5_core_dev *dev,
  99                                     struct mlx5_flow_table *ft,
 100                                     unsigned int group_id,
 101                                     int modify_mask,
 102                                     struct fs_fte *fte)
 103 {
 104         return -EOPNOTSUPP;
 105 }
 106
 107 static int mlx5_cmd_stub_delete_fte(struct mlx5_core_dev *dev,
 108                                     struct mlx5_flow_table *ft,
 109                                     struct fs_fte *fte)
 110 {
 111         return 0;
 112 }
 113
 114 static int mlx5_cmd_update_root_ft(struct mlx5_core_dev *dev,
 115                                    struct mlx5_flow_table *ft, u32 underlay_qpn,
 116                                    bool disconnect)
 117 {
 118         u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)]   = {0};
 119         u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {0};
 120
 121         if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
 122             underlay_qpn == 0)
 123                 return 0;
 124
 125         MLX5_SET(set_flow_table_root_in, in, opcode,
 126                  MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
 127         MLX5_SET(set_flow_table_root_in, in, table_type, ft->type);
 128
 129         if (disconnect) {
 130                 MLX5_SET(set_flow_table_root_in, in, op_mod, 1);
 131                 MLX5_SET(set_flow_table_root_in, in, table_id, 0);
 132         } else {
 133                 MLX5_SET(set_flow_table_root_in, in, op_mod, 0);
 134                 MLX5_SET(set_flow_table_root_in, in, table_id, ft->id);
 135         }
 136
 137         MLX5_SET(set_flow_table_root_in, in, underlay_qpn, underlay_qpn);
 138         if (ft->vport) {
 139                 MLX5_SET(set_flow_table_root_in, in, vport_number, ft->vport);
 140                 MLX5_SET(set_flow_table_root_in, in, other_vport, 1);
 141         }
 142
 143         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 144 }
 145
 146 static int mlx5_cmd_create_flow_table(struct mlx5_core_dev *dev,
 147                                       u16 vport,
 148                                       enum fs_flow_table_op_mod op_mod,
 149                                       enum fs_flow_table_type type,
 150                                       unsigned int level,
 151                                       unsigned int log_size,
 152                                       struct mlx5_flow_table *next_ft,
 153                                       unsigned int *table_id, u32 flags)
 154 {
 155         int en_encap_decap = !!(flags & MLX5_FLOW_TABLE_TUNNEL_EN);
 156         u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {0};
 157         u32 in[MLX5_ST_SZ_DW(create_flow_table_in)]   = {0};
 158         int err;
 159
 160         MLX5_SET(create_flow_table_in, in, opcode,
 161                  MLX5_CMD_OP_CREATE_FLOW_TABLE);
 162
 163         MLX5_SET(create_flow_table_in, in, table_type, type);
 164         MLX5_SET(create_flow_table_in, in, flow_table_context.level, level);
 165         MLX5_SET(create_flow_table_in, in, flow_table_context.log_size, log_size);
 166         if (vport) {
 167                 MLX5_SET(create_flow_table_in, in, vport_number, vport);
 168                 MLX5_SET(create_flow_table_in, in, other_vport, 1);
 169         }
 170
 171         MLX5_SET(create_flow_table_in, in, flow_table_context.decap_en,
 172                  en_encap_decap);
 173         MLX5_SET(create_flow_table_in, in, flow_table_context.encap_en,
 174                  en_encap_decap);
 175
 176         switch (op_mod) {
 177         case FS_FT_OP_MOD_NORMAL:
 178                 if (next_ft) {
 179                         MLX5_SET(create_flow_table_in, in,
 180                                  flow_table_context.table_miss_action, 1);
 181                         MLX5_SET(create_flow_table_in, in,
 182                                  flow_table_context.table_miss_id, next_ft->id);
 183                 }
 184                 break;
 185
 186         case FS_FT_OP_MOD_LAG_DEMUX:
 187                 MLX5_SET(create_flow_table_in, in, op_mod, 0x1);
 188                 if (next_ft)
 189                         MLX5_SET(create_flow_table_in, in,
 190                                  flow_table_context.lag_master_next_table_id,
 191                                  next_ft->id);
 192                 break;
 193         }
 194
 195         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 196         if (!err)
 197                 *table_id = MLX5_GET(create_flow_table_out, out,
 198                                      table_id);
 199         return err;
 200 }
 201
 202 static int mlx5_cmd_destroy_flow_table(struct mlx5_core_dev *dev,
 203                                        struct mlx5_flow_table *ft)
 204 {
 205         u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)]   = {0};
 206         u32 out[MLX5_ST_SZ_DW(destroy_flow_table_out)] = {0};
 207
 208         MLX5_SET(destroy_flow_table_in, in, opcode,
 209                  MLX5_CMD_OP_DESTROY_FLOW_TABLE);
 210         MLX5_SET(destroy_flow_table_in, in, table_type, ft->type);
 211         MLX5_SET(destroy_flow_table_in, in, table_id, ft->id);
 212         if (ft->vport) {
 213                 MLX5_SET(destroy_flow_table_in, in, vport_number, ft->vport);
 214                 MLX5_SET(destroy_flow_table_in, in, other_vport, 1);
 215         }
 216
 217         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 218 }
 219
 220 static int mlx5_cmd_modify_flow_table(struct mlx5_core_dev *dev,
 221                                       struct mlx5_flow_table *ft,
 222                                       struct mlx5_flow_table *next_ft)
 223 {
 224         u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)]   = {0};
 225         u32 out[MLX5_ST_SZ_DW(modify_flow_table_out)] = {0};
 226
 227         MLX5_SET(modify_flow_table_in, in, opcode,
 228                  MLX5_CMD_OP_MODIFY_FLOW_TABLE);
 229         MLX5_SET(modify_flow_table_in, in, table_type, ft->type);
 230         MLX5_SET(modify_flow_table_in, in, table_id, ft->id);
 231
 232         if (ft->op_mod == FS_FT_OP_MOD_LAG_DEMUX) {
 233                 MLX5_SET(modify_flow_table_in, in, modify_field_select,
 234                          MLX5_MODIFY_FLOW_TABLE_LAG_NEXT_TABLE_ID);
 235                 if (next_ft) {
 236                         MLX5_SET(modify_flow_table_in, in,
 237                                  flow_table_context.lag_master_next_table_id, next_ft->id);
 238                 } else {
 239                         MLX5_SET(modify_flow_table_in, in,
 240                                  flow_table_context.lag_master_next_table_id, 0);
 241                 }
 242         } else {
 243                 if (ft->vport) {
 244                         MLX5_SET(modify_flow_table_in, in, vport_number,
 245                                  ft->vport);
 246                         MLX5_SET(modify_flow_table_in, in, other_vport, 1);
 247                 }
 248                 MLX5_SET(modify_flow_table_in, in, modify_field_select,
 249                          MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID);
 250                 if (next_ft) {
 251                         MLX5_SET(modify_flow_table_in, in,
 252                                  flow_table_context.table_miss_action, 1);
 253                         MLX5_SET(modify_flow_table_in, in,
 254                                  flow_table_context.table_miss_id,
 255                                  next_ft->id);
 256                 } else {
 257                         MLX5_SET(modify_flow_table_in, in,
 258                                  flow_table_context.table_miss_action, 0);
 259                 }
 260         }
 261
 262         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 263 }
 264
 265 static int mlx5_cmd_create_flow_group(struct mlx5_core_dev *dev,
 266                                       struct mlx5_flow_table *ft,
 267                                       u32 *in,
 268                                       unsigned int *group_id)
 269 {
 270         u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {0};
 271         int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
 272         int err;
 273
 274         MLX5_SET(create_flow_group_in, in, opcode,
 275                  MLX5_CMD_OP_CREATE_FLOW_GROUP);
 276         MLX5_SET(create_flow_group_in, in, table_type, ft->type);
 277         MLX5_SET(create_flow_group_in, in, table_id, ft->id);
 278         if (ft->vport) {
 279                 MLX5_SET(create_flow_group_in, in, vport_number, ft->vport);
 280                 MLX5_SET(create_flow_group_in, in, other_vport, 1);
 281         }
 282
 283         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 284         if (!err)
 285                 *group_id = MLX5_GET(create_flow_group_out, out,
 286                                      group_id);
 287         return err;
 288 }
 289
 290 static int mlx5_cmd_destroy_flow_group(struct mlx5_core_dev *dev,
 291                                        struct mlx5_flow_table *ft,
 292                                        unsigned int group_id)
 293 {
 294         u32 out[MLX5_ST_SZ_DW(destroy_flow_group_out)] = {0};
 295         u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)]   = {0};
 296
 297         MLX5_SET(destroy_flow_group_in, in, opcode,
 298                  MLX5_CMD_OP_DESTROY_FLOW_GROUP);
 299         MLX5_SET(destroy_flow_group_in, in, table_type, ft->type);
 300         MLX5_SET(destroy_flow_group_in, in, table_id, ft->id);
 301         MLX5_SET(destroy_flow_group_in, in, group_id, group_id);
 302         if (ft->vport) {
 303                 MLX5_SET(destroy_flow_group_in, in, vport_number, ft->vport);
 304                 MLX5_SET(destroy_flow_group_in, in, other_vport, 1);
 305         }
 306
 307         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 308 }
 309
 310 static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
 311                             int opmod, int modify_mask,
 312                             struct mlx5_flow_table *ft,
 313                             unsigned group_id,
 314                             struct fs_fte *fte)
 315 {
 316         unsigned int inlen = MLX5_ST_SZ_BYTES(set_fte_in) +
 317                 fte->dests_size * MLX5_ST_SZ_BYTES(dest_format_struct);
 318         u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0};
 319         struct mlx5_flow_rule *dst;
 320         void *in_flow_context, *vlan;
 321         void *in_match_value;
 322         void *in_dests;
 323         u32 *in;
 324         int err;
 325
 326         in = kvzalloc(inlen, GFP_KERNEL);
 327         if (!in)
 328                 return -ENOMEM;
 329
 330         MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY);
 331         MLX5_SET(set_fte_in, in, op_mod, opmod);
 332         MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask);
 333         MLX5_SET(set_fte_in, in, table_type, ft->type);
 334         MLX5_SET(set_fte_in, in, table_id,   ft->id);
 335         MLX5_SET(set_fte_in, in, flow_index, fte->index);
 336         if (ft->vport) {
 337                 MLX5_SET(set_fte_in, in, vport_number, ft->vport);
 338                 MLX5_SET(set_fte_in, in, other_vport, 1);
 339         }
 340
 341         in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context);
 342         MLX5_SET(flow_context, in_flow_context, group_id, group_id);
 343
 344         MLX5_SET(flow_context, in_flow_context, flow_tag, fte->action.flow_tag);
 345         MLX5_SET(flow_context, in_flow_context, action, fte->action.action);
 346         MLX5_SET(flow_context, in_flow_context, encap_id, fte->action.encap_id);
 347         MLX5_SET(flow_context, in_flow_context, modify_header_id,
 348                  fte->action.modify_id);
 349
 350         vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan);
 351
 352         MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype);
 353         MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid);
 354         MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio);
 355
 356         vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2);
 357
 358         MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype);
 359         MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid);
 360         MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio);
 361
 362         in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
 363                                       match_value);
 364         memcpy(in_match_value, &fte->val, sizeof(fte->val));
 365
 366         in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
 367         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
 368                 int list_size = 0;
 369
 370                 list_for_each_entry(dst, &fte->node.children, node.list) {
 371                         unsigned int id, type = dst->dest_attr.type;
 372
 373                         if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
 374                                 continue;
 375
 376                         switch (type) {
 377                         case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM:
 378                                 id = dst->dest_attr.ft_num;
 379                                 type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
 380                                 break;
 381                         case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
 382                                 id = dst->dest_attr.ft->id;
 383                                 break;
 384                         case MLX5_FLOW_DESTINATION_TYPE_VPORT:
 385                                 id = dst->dest_attr.vport.num;
 386                                 MLX5_SET(dest_format_struct, in_dests,
 387                                          destination_eswitch_owner_vhca_id_valid,
 388                                          dst->dest_attr.vport.vhca_id_valid);
 389                                 MLX5_SET(dest_format_struct, in_dests,
 390                                          destination_eswitch_owner_vhca_id,
 391                                          dst->dest_attr.vport.vhca_id);
 392                                 break;
 393                         default:
 394                                 id = dst->dest_attr.tir_num;
 395                         }
 396
 397                         MLX5_SET(dest_format_struct, in_dests, destination_type,
 398                                  type);
 399                         MLX5_SET(dest_format_struct, in_dests, destination_id, id);
 400                         in_dests += MLX5_ST_SZ_BYTES(dest_format_struct);
 401                         list_size++;
 402                 }
 403
 404                 MLX5_SET(flow_context, in_flow_context, destination_list_size,
 405                          list_size);
 406         }
 407
 408         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
 409                 int max_list_size = BIT(MLX5_CAP_FLOWTABLE_TYPE(dev,
 410                                         log_max_flow_counter,
 411                                         ft->type));
 412                 int list_size = 0;
 413
 414                 list_for_each_entry(dst, &fte->node.children, node.list) {
 415                         if (dst->dest_attr.type !=
 416                             MLX5_FLOW_DESTINATION_TYPE_COUNTER)
 417                                 continue;
 418
 419                         MLX5_SET(flow_counter_list, in_dests, flow_counter_id,
 420                                  dst->dest_attr.counter->id);
 421                         in_dests += MLX5_ST_SZ_BYTES(dest_format_struct);
 422                         list_size++;
 423                 }
 424                 if (list_size > max_list_size) {
 425                         err = -EINVAL;
 426                         goto err_out;
 427                 }
 428
 429                 MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
 430                          list_size);
 431         }
 432
 433         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 434 err_out:
 435         kvfree(in);
 436         return err;
 437 }
 438
 439 static int mlx5_cmd_create_fte(struct mlx5_core_dev *dev,
 440                                struct mlx5_flow_table *ft,
 441                                struct mlx5_flow_group *group,
 442                                struct fs_fte *fte)
 443 {
 444         unsigned int group_id = group->id;
 445
 446         return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte);
 447 }
 448
 449 static int mlx5_cmd_update_fte(struct mlx5_core_dev *dev,
 450                                struct mlx5_flow_table *ft,
 451                                unsigned int group_id,
 452                                int modify_mask,
 453                                struct fs_fte *fte)
 454 {
 455         int opmod;
 456         int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev,
 457                                                 flow_table_properties_nic_receive.
 458                                                 flow_modify_en);
 459         if (!atomic_mod_cap)
 460                 return -EOPNOTSUPP;
 461         opmod = 1;
 462
 463         return  mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, group_id, fte);
 464 }
 465
 466 static int mlx5_cmd_delete_fte(struct mlx5_core_dev *dev,
 467                                struct mlx5_flow_table *ft,
 468                                struct fs_fte *fte)
 469 {
 470         u32 out[MLX5_ST_SZ_DW(delete_fte_out)] = {0};
 471         u32 in[MLX5_ST_SZ_DW(delete_fte_in)]   = {0};
 472
 473         MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
 474         MLX5_SET(delete_fte_in, in, table_type, ft->type);
 475         MLX5_SET(delete_fte_in, in, table_id, ft->id);
 476         MLX5_SET(delete_fte_in, in, flow_index, fte->index);
 477         if (ft->vport) {
 478                 MLX5_SET(delete_fte_in, in, vport_number, ft->vport);
 479                 MLX5_SET(delete_fte_in, in, other_vport, 1);
 480         }
 481
 482         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 483 }
 484
 485 int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
 486 {
 487         u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)]   = {0};
 488         u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
 489         int err;
 490
 491         MLX5_SET(alloc_flow_counter_in, in, opcode,
 492                  MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
 493
 494         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 495         if (!err)
 496                 *id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
 497         return err;
 498 }
 499
 500 int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id)
 501 {
 502         u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)]   = {0};
 503         u32 out[MLX5_ST_SZ_DW(dealloc_flow_counter_out)] = {0};
 504
 505         MLX5_SET(dealloc_flow_counter_in, in, opcode,
 506                  MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
 507         MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id);
 508         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 509 }
 510
 511 int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id,
 512                       u64 *packets, u64 *bytes)
 513 {
 514         u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) +
 515                 MLX5_ST_SZ_BYTES(traffic_counter)]   = {0};
 516         u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
 517         void *stats;
 518         int err = 0;
 519
 520         MLX5_SET(query_flow_counter_in, in, opcode,
 521                  MLX5_CMD_OP_QUERY_FLOW_COUNTER);
 522         MLX5_SET(query_flow_counter_in, in, op_mod, 0);
 523         MLX5_SET(query_flow_counter_in, in, flow_counter_id, id);
 524         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 525         if (err)
 526                 return err;
 527
 528         stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics);
 529         *packets = MLX5_GET64(traffic_counter, stats, packets);
 530         *bytes = MLX5_GET64(traffic_counter, stats, octets);
 531         return 0;
 532 }
 533
 534 struct mlx5_cmd_fc_bulk {
 535         u32 id;
 536         int num;
 537         int outlen;
 538         u32 out[0];
 539 };
 540
 541 struct mlx5_cmd_fc_bulk *
 542 mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, u32 id, int num)
 543 {
 544         struct mlx5_cmd_fc_bulk *b;
 545         int outlen =
 546                 MLX5_ST_SZ_BYTES(query_flow_counter_out) +
 547                 MLX5_ST_SZ_BYTES(traffic_counter) * num;
 548
 549         b = kzalloc(sizeof(*b) + outlen, GFP_KERNEL);
 550         if (!b)
 551                 return NULL;
 552
 553         b->id = id;
 554         b->num = num;
 555         b->outlen = outlen;
 556
 557         return b;
 558 }
 559
 560 void mlx5_cmd_fc_bulk_free(struct mlx5_cmd_fc_bulk *b)
 561 {
 562         kfree(b);
 563 }
 564
 565 int
 566 mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, struct mlx5_cmd_fc_bulk *b)
 567 {
 568         u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
 569
 570         MLX5_SET(query_flow_counter_in, in, opcode,
 571                  MLX5_CMD_OP_QUERY_FLOW_COUNTER);
 572         MLX5_SET(query_flow_counter_in, in, op_mod, 0);
 573         MLX5_SET(query_flow_counter_in, in, flow_counter_id, b->id);
 574         MLX5_SET(query_flow_counter_in, in, num_of_counters, b->num);
 575         return mlx5_cmd_exec(dev, in, sizeof(in), b->out, b->outlen);
 576 }
 577
 578 void mlx5_cmd_fc_bulk_get(struct mlx5_core_dev *dev,
 579                           struct mlx5_cmd_fc_bulk *b, u32 id,
 580                           u64 *packets, u64 *bytes)
 581 {
 582         int index = id - b->id;
 583         void *stats;
 584
 585         if (index < 0 || index >= b->num) {
 586                 mlx5_core_warn(dev, "Flow counter id (0x%x) out of range (0x%x..0x%x). Counter ignored.\n",
 587                                id, b->id, b->id + b->num - 1);
 588                 return;
 589         }
 590
 591         stats = MLX5_ADDR_OF(query_flow_counter_out, b->out,
 592                              flow_statistics[index]);
 593         *packets = MLX5_GET64(traffic_counter, stats, packets);
 594         *bytes = MLX5_GET64(traffic_counter, stats, octets);
 595 }
 596
 597 int mlx5_encap_alloc(struct mlx5_core_dev *dev,
 598                      int header_type,
 599                      size_t size,
 600                      void *encap_header,
 601                      u32 *encap_id)
 602 {
 603         int max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size);
 604         u32 out[MLX5_ST_SZ_DW(alloc_encap_header_out)];
 605         void *encap_header_in;
 606         void *header;
 607         int inlen;
 608         int err;
 609         u32 *in;
 610
 611         if (size > max_encap_size) {
 612                 mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n",
 613                                size, max_encap_size);
 614                 return -EINVAL;
 615         }
 616
 617         in = kzalloc(MLX5_ST_SZ_BYTES(alloc_encap_header_in) + size,
 618                      GFP_KERNEL);
 619         if (!in)
 620                 return -ENOMEM;
 621
 622         encap_header_in = MLX5_ADDR_OF(alloc_encap_header_in, in, encap_header);
 623         header = MLX5_ADDR_OF(encap_header_in, encap_header_in, encap_header);
 624         inlen = header - (void *)in  + size;
 625
 626         memset(in, 0, inlen);
 627         MLX5_SET(alloc_encap_header_in, in, opcode,
 628                  MLX5_CMD_OP_ALLOC_ENCAP_HEADER);
 629         MLX5_SET(encap_header_in, encap_header_in, encap_header_size, size);
 630         MLX5_SET(encap_header_in, encap_header_in, header_type, header_type);
 631         memcpy(header, encap_header, size);
 632
 633         memset(out, 0, sizeof(out));
 634         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 635
 636         *encap_id = MLX5_GET(alloc_encap_header_out, out, encap_id);
 637         kfree(in);
 638         return err;
 639 }
 640
 641 void mlx5_encap_dealloc(struct mlx5_core_dev *dev, u32 encap_id)
 642 {
 643         u32 in[MLX5_ST_SZ_DW(dealloc_encap_header_in)];
 644         u32 out[MLX5_ST_SZ_DW(dealloc_encap_header_out)];
 645
 646         memset(in, 0, sizeof(in));
 647         MLX5_SET(dealloc_encap_header_in, in, opcode,
 648                  MLX5_CMD_OP_DEALLOC_ENCAP_HEADER);
 649         MLX5_SET(dealloc_encap_header_in, in, encap_id, encap_id);
 650
 651         mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 652 }
 653
 654 int mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
 655                              u8 namespace, u8 num_actions,
 656                              void *modify_actions, u32 *modify_header_id)
 657 {
 658         u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)];
 659         int max_actions, actions_size, inlen, err;
 660         void *actions_in;
 661         u8 table_type;
 662         u32 *in;
 663
 664         switch (namespace) {
 665         case MLX5_FLOW_NAMESPACE_FDB:
 666                 max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions);
 667                 table_type = FS_FT_FDB;
 668                 break;
 669         case MLX5_FLOW_NAMESPACE_KERNEL:
 670                 max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions);
 671                 table_type = FS_FT_NIC_RX;
 672                 break;
 673         default:
 674                 return -EOPNOTSUPP;
 675         }
 676
 677         if (num_actions > max_actions) {
 678                 mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n",
 679                                num_actions, max_actions);
 680                 return -EOPNOTSUPP;
 681         }
 682
 683         actions_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) * num_actions;
 684         inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size;
 685
 686         in = kzalloc(inlen, GFP_KERNEL);
 687         if (!in)
 688                 return -ENOMEM;
 689
 690         MLX5_SET(alloc_modify_header_context_in, in, opcode,
 691                  MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT);
 692         MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type);
 693         MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions);
 694
 695         actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions);
 696         memcpy(actions_in, modify_actions, actions_size);
 697
 698         memset(out, 0, sizeof(out));
 699         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 700
 701         *modify_header_id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id);
 702         kfree(in);
 703         return err;
 704 }
 705
 706 void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, u32 modify_header_id)
 707 {
 708         u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)];
 709         u32 out[MLX5_ST_SZ_DW(dealloc_modify_header_context_out)];
 710
 711         memset(in, 0, sizeof(in));
 712         MLX5_SET(dealloc_modify_header_context_in, in, opcode,
 713                  MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
 714         MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
 715                  modify_header_id);
 716
 717         mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 718 }
 719
 720 static const struct mlx5_flow_cmds mlx5_flow_cmds = {
 721         .create_flow_table = mlx5_cmd_create_flow_table,
 722         .destroy_flow_table = mlx5_cmd_destroy_flow_table,
 723         .modify_flow_table = mlx5_cmd_modify_flow_table,
 724         .create_flow_group = mlx5_cmd_create_flow_group,
 725         .destroy_flow_group = mlx5_cmd_destroy_flow_group,
 726         .create_fte = mlx5_cmd_create_fte,
 727         .update_fte = mlx5_cmd_update_fte,
 728         .delete_fte = mlx5_cmd_delete_fte,
 729         .update_root_ft = mlx5_cmd_update_root_ft,
 730 };
 731
 732 static const struct mlx5_flow_cmds mlx5_flow_cmd_stubs = {
 733         .create_flow_table = mlx5_cmd_stub_create_flow_table,
 734         .destroy_flow_table = mlx5_cmd_stub_destroy_flow_table,
 735         .modify_flow_table = mlx5_cmd_stub_modify_flow_table,
 736         .create_flow_group = mlx5_cmd_stub_create_flow_group,
 737         .destroy_flow_group = mlx5_cmd_stub_destroy_flow_group,
 738         .create_fte = mlx5_cmd_stub_create_fte,
 739         .update_fte = mlx5_cmd_stub_update_fte,
 740         .delete_fte = mlx5_cmd_stub_delete_fte,
 741         .update_root_ft = mlx5_cmd_stub_update_root_ft,
 742 };
 743
 744 static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void)
 745 {
 746         return &mlx5_flow_cmds;
 747 }
 748
 749 static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_stub_cmds(void)
 750 {
 751         return &mlx5_flow_cmd_stubs;
 752 }
 753
 754 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type type)
 755 {
 756         switch (type) {
 757         case FS_FT_NIC_RX:
 758         case FS_FT_ESW_EGRESS_ACL:
 759         case FS_FT_ESW_INGRESS_ACL:
 760         case FS_FT_FDB:
 761         case FS_FT_SNIFFER_RX:
 762         case FS_FT_SNIFFER_TX:
 763                 return mlx5_fs_cmd_get_fw_cmds();
 764         case FS_FT_NIC_TX:
 765         default:
 766                 return mlx5_fs_cmd_get_stub_cmds();
 767         }
 768 }