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_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         MLX5_SET(set_fte_in, in, ignore_flow_level,
 436                  !!(fte->action.flags & FLOW_ACT_IGNORE_FLOW_LEVEL));
 437
 438         if (ft->vport) {
 439                 MLX5_SET(set_fte_in, in, vport_number, ft->vport);
 440                 MLX5_SET(set_fte_in, in, other_vport, 1);
 441         }
 442
 443         in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context);
 444         MLX5_SET(flow_context, in_flow_context, group_id, group_id);
 445
 446         MLX5_SET(flow_context, in_flow_context, flow_tag,
 447                  fte->flow_context.flow_tag);
 448         MLX5_SET(flow_context, in_flow_context, flow_source,
 449                  fte->flow_context.flow_source);
 450
 451         MLX5_SET(flow_context, in_flow_context, extended_destination,
 452                  extended_dest);
 453         if (extended_dest) {
 454                 u32 action;
 455
 456                 action = fte->action.action &
 457                         ~MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
 458                 MLX5_SET(flow_context, in_flow_context, action, action);
 459         } else {
 460                 MLX5_SET(flow_context, in_flow_context, action,
 461                          fte->action.action);
 462                 if (fte->action.pkt_reformat)
 463                         MLX5_SET(flow_context, in_flow_context, packet_reformat_id,
 464                                  fte->action.pkt_reformat->id);
 465         }
 466         if (fte->action.modify_hdr)
 467                 MLX5_SET(flow_context, in_flow_context, modify_header_id,
 468                          fte->action.modify_hdr->id);
 469
 470         vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan);
 471
 472         MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype);
 473         MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid);
 474         MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio);
 475
 476         vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2);
 477
 478         MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype);
 479         MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid);
 480         MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio);
 481
 482         in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
 483                                       match_value);
 484         memcpy(in_match_value, &fte->val, sizeof(fte->val));
 485
 486         in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
 487         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
 488                 int list_size = 0;
 489
 490                 list_for_each_entry(dst, &fte->node.children, node.list) {
 491                         unsigned int id, type = dst->dest_attr.type;
 492
 493                         if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
 494                                 continue;
 495
 496                         switch (type) {
 497                         case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM:
 498                                 id = dst->dest_attr.ft_num;
 499                                 type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
 500                                 break;
 501                         case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
 502                                 id = dst->dest_attr.ft->id;
 503                                 break;
 504                         case MLX5_FLOW_DESTINATION_TYPE_VPORT:
 505                                 id = dst->dest_attr.vport.num;
 506                                 MLX5_SET(dest_format_struct, in_dests,
 507                                          destination_eswitch_owner_vhca_id_valid,
 508                                          !!(dst->dest_attr.vport.flags &
 509                                             MLX5_FLOW_DEST_VPORT_VHCA_ID));
 510                                 MLX5_SET(dest_format_struct, in_dests,
 511                                          destination_eswitch_owner_vhca_id,
 512                                          dst->dest_attr.vport.vhca_id);
 513                                 if (extended_dest &&
 514                                     dst->dest_attr.vport.pkt_reformat) {
 515                                         MLX5_SET(dest_format_struct, in_dests,
 516                                                  packet_reformat,
 517                                                  !!(dst->dest_attr.vport.flags &
 518                                                     MLX5_FLOW_DEST_VPORT_REFORMAT_ID));
 519                                         MLX5_SET(extended_dest_format, in_dests,
 520                                                  packet_reformat_id,
 521                                                  dst->dest_attr.vport.pkt_reformat->id);
 522                                 }
 523                                 break;
 524                         default:
 525                                 id = dst->dest_attr.tir_num;
 526                         }
 527
 528                         MLX5_SET(dest_format_struct, in_dests, destination_type,
 529                                  type);
 530                         MLX5_SET(dest_format_struct, in_dests, destination_id, id);
 531                         in_dests += dst_cnt_size;
 532                         list_size++;
 533                 }
 534
 535                 MLX5_SET(flow_context, in_flow_context, destination_list_size,
 536                          list_size);
 537         }
 538
 539         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
 540                 int max_list_size = BIT(MLX5_CAP_FLOWTABLE_TYPE(dev,
 541                                         log_max_flow_counter,
 542                                         ft->type));
 543                 int list_size = 0;
 544
 545                 list_for_each_entry(dst, &fte->node.children, node.list) {
 546                         if (dst->dest_attr.type !=
 547                             MLX5_FLOW_DESTINATION_TYPE_COUNTER)
 548                                 continue;
 549
 550                         MLX5_SET(flow_counter_list, in_dests, flow_counter_id,
 551                                  dst->dest_attr.counter_id);
 552                         in_dests += dst_cnt_size;
 553                         list_size++;
 554                 }
 555                 if (list_size > max_list_size) {
 556                         err = -EINVAL;
 557                         goto err_out;
 558                 }
 559
 560                 MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
 561                          list_size);
 562         }
 563
 564         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 565 err_out:
 566         kvfree(in);
 567         return err;
 568 }
 569
 570 static int mlx5_cmd_create_fte(struct mlx5_flow_root_namespace *ns,
 571                                struct mlx5_flow_table *ft,
 572                                struct mlx5_flow_group *group,
 573                                struct fs_fte *fte)
 574 {
 575         struct mlx5_core_dev *dev = ns->dev;
 576         unsigned int group_id = group->id;
 577
 578         return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte);
 579 }
 580
 581 static int mlx5_cmd_update_fte(struct mlx5_flow_root_namespace *ns,
 582                                struct mlx5_flow_table *ft,
 583                                struct mlx5_flow_group *fg,
 584                                int modify_mask,
 585                                struct fs_fte *fte)
 586 {
 587         int opmod;
 588         struct mlx5_core_dev *dev = ns->dev;
 589         int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev,
 590                                                 flow_table_properties_nic_receive.
 591                                                 flow_modify_en);
 592         if (!atomic_mod_cap)
 593                 return -EOPNOTSUPP;
 594         opmod = 1;
 595
 596         return  mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, fg->id, fte);
 597 }
 598
 599 static int mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace *ns,
 600                                struct mlx5_flow_table *ft,
 601                                struct fs_fte *fte)
 602 {
 603         u32 out[MLX5_ST_SZ_DW(delete_fte_out)] = {0};
 604         u32 in[MLX5_ST_SZ_DW(delete_fte_in)]   = {0};
 605         struct mlx5_core_dev *dev = ns->dev;
 606
 607         MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
 608         MLX5_SET(delete_fte_in, in, table_type, ft->type);
 609         MLX5_SET(delete_fte_in, in, table_id, ft->id);
 610         MLX5_SET(delete_fte_in, in, flow_index, fte->index);
 611         if (ft->vport) {
 612                 MLX5_SET(delete_fte_in, in, vport_number, ft->vport);
 613                 MLX5_SET(delete_fte_in, in, other_vport, 1);
 614         }
 615
 616         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 617 }
 618
 619 int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev,
 620                            enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask,
 621                            u32 *id)
 622 {
 623         u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)]   = {0};
 624         u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
 625         int err;
 626
 627         MLX5_SET(alloc_flow_counter_in, in, opcode,
 628                  MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
 629         MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, alloc_bitmask);
 630
 631         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 632         if (!err)
 633                 *id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
 634         return err;
 635 }
 636
 637 int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
 638 {
 639         return mlx5_cmd_fc_bulk_alloc(dev, 0, id);
 640 }
 641
 642 int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id)
 643 {
 644         u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)]   = {0};
 645         u32 out[MLX5_ST_SZ_DW(dealloc_flow_counter_out)] = {0};
 646
 647         MLX5_SET(dealloc_flow_counter_in, in, opcode,
 648                  MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
 649         MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id);
 650         return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 651 }
 652
 653 int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id,
 654                       u64 *packets, u64 *bytes)
 655 {
 656         u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) +
 657                 MLX5_ST_SZ_BYTES(traffic_counter)]   = {0};
 658         u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
 659         void *stats;
 660         int err = 0;
 661
 662         MLX5_SET(query_flow_counter_in, in, opcode,
 663                  MLX5_CMD_OP_QUERY_FLOW_COUNTER);
 664         MLX5_SET(query_flow_counter_in, in, op_mod, 0);
 665         MLX5_SET(query_flow_counter_in, in, flow_counter_id, id);
 666         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 667         if (err)
 668                 return err;
 669
 670         stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics);
 671         *packets = MLX5_GET64(traffic_counter, stats, packets);
 672         *bytes = MLX5_GET64(traffic_counter, stats, octets);
 673         return 0;
 674 }
 675
 676 int mlx5_cmd_fc_get_bulk_query_out_len(int bulk_len)
 677 {
 678         return MLX5_ST_SZ_BYTES(query_flow_counter_out) +
 679                 MLX5_ST_SZ_BYTES(traffic_counter) * bulk_len;
 680 }
 681
 682 int mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, u32 base_id, int bulk_len,
 683                            u32 *out)
 684 {
 685         int outlen = mlx5_cmd_fc_get_bulk_query_out_len(bulk_len);
 686         u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
 687
 688         MLX5_SET(query_flow_counter_in, in, opcode,
 689                  MLX5_CMD_OP_QUERY_FLOW_COUNTER);
 690         MLX5_SET(query_flow_counter_in, in, op_mod, 0);
 691         MLX5_SET(query_flow_counter_in, in, flow_counter_id, base_id);
 692         MLX5_SET(query_flow_counter_in, in, num_of_counters, bulk_len);
 693         return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
 694 }
 695
 696 static int mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns,
 697                                           int reformat_type,
 698                                           size_t size,
 699                                           void *reformat_data,
 700                                           enum mlx5_flow_namespace_type namespace,
 701                                           struct mlx5_pkt_reformat *pkt_reformat)
 702 {
 703         u32 out[MLX5_ST_SZ_DW(alloc_packet_reformat_context_out)];
 704         struct mlx5_core_dev *dev = ns->dev;
 705         void *packet_reformat_context_in;
 706         int max_encap_size;
 707         void *reformat;
 708         int inlen;
 709         int err;
 710         u32 *in;
 711
 712         if (namespace == MLX5_FLOW_NAMESPACE_FDB)
 713                 max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size);
 714         else
 715                 max_encap_size = MLX5_CAP_FLOWTABLE(dev, max_encap_header_size);
 716
 717         if (size > max_encap_size) {
 718                 mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n",
 719                                size, max_encap_size);
 720                 return -EINVAL;
 721         }
 722
 723         in = kzalloc(MLX5_ST_SZ_BYTES(alloc_packet_reformat_context_in) + size,
 724                      GFP_KERNEL);
 725         if (!in)
 726                 return -ENOMEM;
 727
 728         packet_reformat_context_in = MLX5_ADDR_OF(alloc_packet_reformat_context_in,
 729                                                   in, packet_reformat_context);
 730         reformat = MLX5_ADDR_OF(packet_reformat_context_in,
 731                                 packet_reformat_context_in,
 732                                 reformat_data);
 733         inlen = reformat - (void *)in  + size;
 734
 735         memset(in, 0, inlen);
 736         MLX5_SET(alloc_packet_reformat_context_in, in, opcode,
 737                  MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT);
 738         MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
 739                  reformat_data_size, size);
 740         MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
 741                  reformat_type, reformat_type);
 742         memcpy(reformat, reformat_data, size);
 743
 744         memset(out, 0, sizeof(out));
 745         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 746
 747         pkt_reformat->id = MLX5_GET(alloc_packet_reformat_context_out,
 748                                     out, packet_reformat_id);
 749         kfree(in);
 750         return err;
 751 }
 752
 753 static void mlx5_cmd_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns,
 754                                              struct mlx5_pkt_reformat *pkt_reformat)
 755 {
 756         u32 in[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_in)];
 757         u32 out[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_out)];
 758         struct mlx5_core_dev *dev = ns->dev;
 759
 760         memset(in, 0, sizeof(in));
 761         MLX5_SET(dealloc_packet_reformat_context_in, in, opcode,
 762                  MLX5_CMD_OP_DEALLOC_PACKET_REFORMAT_CONTEXT);
 763         MLX5_SET(dealloc_packet_reformat_context_in, in, packet_reformat_id,
 764                  pkt_reformat->id);
 765
 766         mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 767 }
 768
 769 static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
 770                                         u8 namespace, u8 num_actions,
 771                                         void *modify_actions,
 772                                         struct mlx5_modify_hdr *modify_hdr)
 773 {
 774         u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)];
 775         int max_actions, actions_size, inlen, err;
 776         struct mlx5_core_dev *dev = ns->dev;
 777         void *actions_in;
 778         u8 table_type;
 779         u32 *in;
 780
 781         switch (namespace) {
 782         case MLX5_FLOW_NAMESPACE_FDB:
 783                 max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions);
 784                 table_type = FS_FT_FDB;
 785                 break;
 786         case MLX5_FLOW_NAMESPACE_KERNEL:
 787         case MLX5_FLOW_NAMESPACE_BYPASS:
 788                 max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions);
 789                 table_type = FS_FT_NIC_RX;
 790                 break;
 791         case MLX5_FLOW_NAMESPACE_EGRESS:
 792                 max_actions = MLX5_CAP_FLOWTABLE_NIC_TX(dev, max_modify_header_actions);
 793                 table_type = FS_FT_NIC_TX;
 794                 break;
 795         case MLX5_FLOW_NAMESPACE_ESW_INGRESS:
 796                 max_actions = MLX5_CAP_ESW_INGRESS_ACL(dev, max_modify_header_actions);
 797                 table_type = FS_FT_ESW_INGRESS_ACL;
 798                 break;
 799         default:
 800                 return -EOPNOTSUPP;
 801         }
 802
 803         if (num_actions > max_actions) {
 804                 mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n",
 805                                num_actions, max_actions);
 806                 return -EOPNOTSUPP;
 807         }
 808
 809         actions_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) * num_actions;
 810         inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size;
 811
 812         in = kzalloc(inlen, GFP_KERNEL);
 813         if (!in)
 814                 return -ENOMEM;
 815
 816         MLX5_SET(alloc_modify_header_context_in, in, opcode,
 817                  MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT);
 818         MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type);
 819         MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions);
 820
 821         actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions);
 822         memcpy(actions_in, modify_actions, actions_size);
 823
 824         memset(out, 0, sizeof(out));
 825         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 826
 827         modify_hdr->id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id);
 828         kfree(in);
 829         return err;
 830 }
 831
 832 static void mlx5_cmd_modify_header_dealloc(struct mlx5_flow_root_namespace *ns,
 833                                            struct mlx5_modify_hdr *modify_hdr)
 834 {
 835         u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)];
 836         u32 out[MLX5_ST_SZ_DW(dealloc_modify_header_context_out)];
 837         struct mlx5_core_dev *dev = ns->dev;
 838
 839         memset(in, 0, sizeof(in));
 840         MLX5_SET(dealloc_modify_header_context_in, in, opcode,
 841                  MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
 842         MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
 843                  modify_hdr->id);
 844
 845         mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 846 }
 847
 848 static const struct mlx5_flow_cmds mlx5_flow_cmds = {
 849         .create_flow_table = mlx5_cmd_create_flow_table,
 850         .destroy_flow_table = mlx5_cmd_destroy_flow_table,
 851         .modify_flow_table = mlx5_cmd_modify_flow_table,
 852         .create_flow_group = mlx5_cmd_create_flow_group,
 853         .destroy_flow_group = mlx5_cmd_destroy_flow_group,
 854         .create_fte = mlx5_cmd_create_fte,
 855         .update_fte = mlx5_cmd_update_fte,
 856         .delete_fte = mlx5_cmd_delete_fte,
 857         .update_root_ft = mlx5_cmd_update_root_ft,
 858         .packet_reformat_alloc = mlx5_cmd_packet_reformat_alloc,
 859         .packet_reformat_dealloc = mlx5_cmd_packet_reformat_dealloc,
 860         .modify_header_alloc = mlx5_cmd_modify_header_alloc,
 861         .modify_header_dealloc = mlx5_cmd_modify_header_dealloc,
 862         .set_peer = mlx5_cmd_stub_set_peer,
 863         .create_ns = mlx5_cmd_stub_create_ns,
 864         .destroy_ns = mlx5_cmd_stub_destroy_ns,
 865 };
 866
 867 static const struct mlx5_flow_cmds mlx5_flow_cmd_stubs = {
 868         .create_flow_table = mlx5_cmd_stub_create_flow_table,
 869         .destroy_flow_table = mlx5_cmd_stub_destroy_flow_table,
 870         .modify_flow_table = mlx5_cmd_stub_modify_flow_table,
 871         .create_flow_group = mlx5_cmd_stub_create_flow_group,
 872         .destroy_flow_group = mlx5_cmd_stub_destroy_flow_group,
 873         .create_fte = mlx5_cmd_stub_create_fte,
 874         .update_fte = mlx5_cmd_stub_update_fte,
 875         .delete_fte = mlx5_cmd_stub_delete_fte,
 876         .update_root_ft = mlx5_cmd_stub_update_root_ft,
 877         .packet_reformat_alloc = mlx5_cmd_stub_packet_reformat_alloc,
 878         .packet_reformat_dealloc = mlx5_cmd_stub_packet_reformat_dealloc,
 879         .modify_header_alloc = mlx5_cmd_stub_modify_header_alloc,
 880         .modify_header_dealloc = mlx5_cmd_stub_modify_header_dealloc,
 881         .set_peer = mlx5_cmd_stub_set_peer,
 882         .create_ns = mlx5_cmd_stub_create_ns,
 883         .destroy_ns = mlx5_cmd_stub_destroy_ns,
 884 };
 885
 886 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void)
 887 {
 888         return &mlx5_flow_cmds;
 889 }
 890
 891 static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_stub_cmds(void)
 892 {
 893         return &mlx5_flow_cmd_stubs;
 894 }
 895
 896 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type type)
 897 {
 898         switch (type) {
 899         case FS_FT_NIC_RX:
 900         case FS_FT_ESW_EGRESS_ACL:
 901         case FS_FT_ESW_INGRESS_ACL:
 902         case FS_FT_FDB:
 903         case FS_FT_SNIFFER_RX:
 904         case FS_FT_SNIFFER_TX:
 905         case FS_FT_NIC_TX:
 906         case FS_FT_RDMA_RX:
 907                 return mlx5_fs_cmd_get_fw_cmds();
 908         default:
 909                 return mlx5_fs_cmd_get_stub_cmds();
 910         }
 911 }