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)] = {};
 159         struct mlx5_core_dev *dev = ns->dev;
 160
 161         if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
 162             underlay_qpn == 0)
 163                 return 0;
 164
 165         MLX5_SET(set_flow_table_root_in, in, opcode,
 166                  MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
 167         MLX5_SET(set_flow_table_root_in, in, table_type, ft->type);
 168
 169         if (disconnect)
 170                 MLX5_SET(set_flow_table_root_in, in, op_mod, 1);
 171         else
 172                 MLX5_SET(set_flow_table_root_in, in, table_id, ft->id);
 173
 174         MLX5_SET(set_flow_table_root_in, in, underlay_qpn, underlay_qpn);
 175         MLX5_SET(set_flow_table_root_in, in, vport_number, ft->vport);
 176         MLX5_SET(set_flow_table_root_in, in, other_vport,
 177                  !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
 178
 179         return mlx5_cmd_exec_in(dev, set_flow_table_root, in);
 180 }
 181
 182 static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns,
 183                                       struct mlx5_flow_table *ft,
 184                                       unsigned int log_size,
 185                                       struct mlx5_flow_table *next_ft)
 186 {
 187         int en_encap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT);
 188         int en_decap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_DECAP);
 189         int term = !!(ft->flags & MLX5_FLOW_TABLE_TERMINATION);
 190         u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {};
 191         u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {};
 192         struct mlx5_core_dev *dev = ns->dev;
 193         int err;
 194
 195         MLX5_SET(create_flow_table_in, in, opcode,
 196                  MLX5_CMD_OP_CREATE_FLOW_TABLE);
 197
 198         MLX5_SET(create_flow_table_in, in, table_type, ft->type);
 199         MLX5_SET(create_flow_table_in, in, flow_table_context.level, ft->level);
 200         MLX5_SET(create_flow_table_in, in, flow_table_context.log_size, log_size);
 201         MLX5_SET(create_flow_table_in, in, vport_number, ft->vport);
 202         MLX5_SET(create_flow_table_in, in, other_vport,
 203                  !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
 204
 205         MLX5_SET(create_flow_table_in, in, flow_table_context.decap_en,
 206                  en_decap);
 207         MLX5_SET(create_flow_table_in, in, flow_table_context.reformat_en,
 208                  en_encap);
 209         MLX5_SET(create_flow_table_in, in, flow_table_context.termination_table,
 210                  term);
 211
 212         switch (ft->op_mod) {
 213         case FS_FT_OP_MOD_NORMAL:
 214                 if (next_ft) {
 215                         MLX5_SET(create_flow_table_in, in,
 216                                  flow_table_context.table_miss_action,
 217                                  MLX5_FLOW_TABLE_MISS_ACTION_FWD);
 218                         MLX5_SET(create_flow_table_in, in,
 219                                  flow_table_context.table_miss_id, next_ft->id);
 220                 } else {
 221                         MLX5_SET(create_flow_table_in, in,
 222                                  flow_table_context.table_miss_action,
 223                                  ft->def_miss_action);
 224                 }
 225                 break;
 226
 227         case FS_FT_OP_MOD_LAG_DEMUX:
 228                 MLX5_SET(create_flow_table_in, in, op_mod, 0x1);
 229                 if (next_ft)
 230                         MLX5_SET(create_flow_table_in, in,
 231                                  flow_table_context.lag_master_next_table_id,
 232                                  next_ft->id);
 233                 break;
 234         }
 235
 236         err = mlx5_cmd_exec_inout(dev, create_flow_table, in, out);
 237         if (!err)
 238                 ft->id = MLX5_GET(create_flow_table_out, out,
 239                                   table_id);
 240         return err;
 241 }
 242
 243 static int mlx5_cmd_destroy_flow_table(struct mlx5_flow_root_namespace *ns,
 244                                        struct mlx5_flow_table *ft)
 245 {
 246         u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {};
 247         struct mlx5_core_dev *dev = ns->dev;
 248
 249         MLX5_SET(destroy_flow_table_in, in, opcode,
 250                  MLX5_CMD_OP_DESTROY_FLOW_TABLE);
 251         MLX5_SET(destroy_flow_table_in, in, table_type, ft->type);
 252         MLX5_SET(destroy_flow_table_in, in, table_id, ft->id);
 253         MLX5_SET(destroy_flow_table_in, in, vport_number, ft->vport);
 254         MLX5_SET(destroy_flow_table_in, in, other_vport,
 255                  !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
 256
 257         return mlx5_cmd_exec_in(dev, destroy_flow_table, in);
 258 }
 259
 260 static int mlx5_cmd_modify_flow_table(struct mlx5_flow_root_namespace *ns,
 261                                       struct mlx5_flow_table *ft,
 262                                       struct mlx5_flow_table *next_ft)
 263 {
 264         u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)] = {};
 265         struct mlx5_core_dev *dev = ns->dev;
 266
 267         MLX5_SET(modify_flow_table_in, in, opcode,
 268                  MLX5_CMD_OP_MODIFY_FLOW_TABLE);
 269         MLX5_SET(modify_flow_table_in, in, table_type, ft->type);
 270         MLX5_SET(modify_flow_table_in, in, table_id, ft->id);
 271
 272         if (ft->op_mod == FS_FT_OP_MOD_LAG_DEMUX) {
 273                 MLX5_SET(modify_flow_table_in, in, modify_field_select,
 274                          MLX5_MODIFY_FLOW_TABLE_LAG_NEXT_TABLE_ID);
 275                 if (next_ft) {
 276                         MLX5_SET(modify_flow_table_in, in,
 277                                  flow_table_context.lag_master_next_table_id, next_ft->id);
 278                 } else {
 279                         MLX5_SET(modify_flow_table_in, in,
 280                                  flow_table_context.lag_master_next_table_id, 0);
 281                 }
 282         } else {
 283                 MLX5_SET(modify_flow_table_in, in, vport_number, ft->vport);
 284                 MLX5_SET(modify_flow_table_in, in, other_vport,
 285                          !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
 286                 MLX5_SET(modify_flow_table_in, in, modify_field_select,
 287                          MLX5_MODIFY_FLOW_TABLE_MISS_TABLE_ID);
 288                 if (next_ft) {
 289                         MLX5_SET(modify_flow_table_in, in,
 290                                  flow_table_context.table_miss_action,
 291                                  MLX5_FLOW_TABLE_MISS_ACTION_FWD);
 292                         MLX5_SET(modify_flow_table_in, in,
 293                                  flow_table_context.table_miss_id,
 294                                  next_ft->id);
 295                 } else {
 296                         MLX5_SET(modify_flow_table_in, in,
 297                                  flow_table_context.table_miss_action,
 298                                  ft->def_miss_action);
 299                 }
 300         }
 301
 302         return mlx5_cmd_exec_in(dev, modify_flow_table, in);
 303 }
 304
 305 static int mlx5_cmd_create_flow_group(struct mlx5_flow_root_namespace *ns,
 306                                       struct mlx5_flow_table *ft,
 307                                       u32 *in,
 308                                       struct mlx5_flow_group *fg)
 309 {
 310         u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {};
 311         struct mlx5_core_dev *dev = ns->dev;
 312         int err;
 313
 314         MLX5_SET(create_flow_group_in, in, opcode,
 315                  MLX5_CMD_OP_CREATE_FLOW_GROUP);
 316         MLX5_SET(create_flow_group_in, in, table_type, ft->type);
 317         MLX5_SET(create_flow_group_in, in, table_id, ft->id);
 318         if (ft->vport) {
 319                 MLX5_SET(create_flow_group_in, in, vport_number, ft->vport);
 320                 MLX5_SET(create_flow_group_in, in, other_vport, 1);
 321         }
 322
 323         MLX5_SET(create_flow_group_in, in, vport_number, ft->vport);
 324         MLX5_SET(create_flow_group_in, in, other_vport,
 325                  !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
 326         err = mlx5_cmd_exec_inout(dev, create_flow_group, in, out);
 327         if (!err)
 328                 fg->id = MLX5_GET(create_flow_group_out, out,
 329                                   group_id);
 330         return err;
 331 }
 332
 333 static int mlx5_cmd_destroy_flow_group(struct mlx5_flow_root_namespace *ns,
 334                                        struct mlx5_flow_table *ft,
 335                                        struct mlx5_flow_group *fg)
 336 {
 337         u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {};
 338         struct mlx5_core_dev *dev = ns->dev;
 339
 340         MLX5_SET(destroy_flow_group_in, in, opcode,
 341                  MLX5_CMD_OP_DESTROY_FLOW_GROUP);
 342         MLX5_SET(destroy_flow_group_in, in, table_type, ft->type);
 343         MLX5_SET(destroy_flow_group_in, in, table_id, ft->id);
 344         MLX5_SET(destroy_flow_group_in, in, group_id, fg->id);
 345         MLX5_SET(destroy_flow_group_in, in, vport_number, ft->vport);
 346         MLX5_SET(destroy_flow_group_in, in, other_vport,
 347                  !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
 348         return mlx5_cmd_exec_in(dev, destroy_flow_group, in);
 349 }
 350
 351 static int mlx5_set_extended_dest(struct mlx5_core_dev *dev,
 352                                   struct fs_fte *fte, bool *extended_dest)
 353 {
 354         int fw_log_max_fdb_encap_uplink =
 355                 MLX5_CAP_ESW(dev, log_max_fdb_encap_uplink);
 356         int num_fwd_destinations = 0;
 357         struct mlx5_flow_rule *dst;
 358         int num_encap = 0;
 359
 360         *extended_dest = false;
 361         if (!(fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST))
 362                 return 0;
 363
 364         list_for_each_entry(dst, &fte->node.children, node.list) {
 365                 if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
 366                         continue;
 367                 if (dst->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_VPORT &&
 368                     dst->dest_attr.vport.flags & MLX5_FLOW_DEST_VPORT_REFORMAT_ID)
 369                         num_encap++;
 370                 num_fwd_destinations++;
 371         }
 372         if (num_fwd_destinations > 1 && num_encap > 0)
 373                 *extended_dest = true;
 374
 375         if (*extended_dest && !fw_log_max_fdb_encap_uplink) {
 376                 mlx5_core_warn(dev, "FW does not support extended destination");
 377                 return -EOPNOTSUPP;
 378         }
 379         if (num_encap > (1 << fw_log_max_fdb_encap_uplink)) {
 380                 mlx5_core_warn(dev, "FW does not support more than %d encaps",
 381                                1 << fw_log_max_fdb_encap_uplink);
 382                 return -EOPNOTSUPP;
 383         }
 384
 385         return 0;
 386 }
 387 static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
 388                             int opmod, int modify_mask,
 389                             struct mlx5_flow_table *ft,
 390                             unsigned group_id,
 391                             struct fs_fte *fte)
 392 {
 393         u32 out[MLX5_ST_SZ_DW(set_fte_out)] = {0};
 394         bool extended_dest = false;
 395         struct mlx5_flow_rule *dst;
 396         void *in_flow_context, *vlan;
 397         void *in_match_value;
 398         unsigned int inlen;
 399         int dst_cnt_size;
 400         void *in_dests;
 401         u32 *in;
 402         int err;
 403
 404         if (mlx5_set_extended_dest(dev, fte, &extended_dest))
 405                 return -EOPNOTSUPP;
 406
 407         if (!extended_dest)
 408                 dst_cnt_size = MLX5_ST_SZ_BYTES(dest_format_struct);
 409         else
 410                 dst_cnt_size = MLX5_ST_SZ_BYTES(extended_dest_format);
 411
 412         inlen = MLX5_ST_SZ_BYTES(set_fte_in) + fte->dests_size * dst_cnt_size;
 413         in = kvzalloc(inlen, GFP_KERNEL);
 414         if (!in)
 415                 return -ENOMEM;
 416
 417         MLX5_SET(set_fte_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY);
 418         MLX5_SET(set_fte_in, in, op_mod, opmod);
 419         MLX5_SET(set_fte_in, in, modify_enable_mask, modify_mask);
 420         MLX5_SET(set_fte_in, in, table_type, ft->type);
 421         MLX5_SET(set_fte_in, in, table_id,   ft->id);
 422         MLX5_SET(set_fte_in, in, flow_index, fte->index);
 423         MLX5_SET(set_fte_in, in, ignore_flow_level,
 424                  !!(fte->action.flags & FLOW_ACT_IGNORE_FLOW_LEVEL));
 425
 426         MLX5_SET(set_fte_in, in, vport_number, ft->vport);
 427         MLX5_SET(set_fte_in, in, other_vport,
 428                  !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
 429
 430         in_flow_context = MLX5_ADDR_OF(set_fte_in, in, flow_context);
 431         MLX5_SET(flow_context, in_flow_context, group_id, group_id);
 432
 433         MLX5_SET(flow_context, in_flow_context, flow_tag,
 434                  fte->flow_context.flow_tag);
 435         MLX5_SET(flow_context, in_flow_context, flow_source,
 436                  fte->flow_context.flow_source);
 437
 438         MLX5_SET(flow_context, in_flow_context, extended_destination,
 439                  extended_dest);
 440         if (extended_dest) {
 441                 u32 action;
 442
 443                 action = fte->action.action &
 444                         ~MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
 445                 MLX5_SET(flow_context, in_flow_context, action, action);
 446         } else {
 447                 MLX5_SET(flow_context, in_flow_context, action,
 448                          fte->action.action);
 449                 if (fte->action.pkt_reformat)
 450                         MLX5_SET(flow_context, in_flow_context, packet_reformat_id,
 451                                  fte->action.pkt_reformat->id);
 452         }
 453         if (fte->action.modify_hdr)
 454                 MLX5_SET(flow_context, in_flow_context, modify_header_id,
 455                          fte->action.modify_hdr->id);
 456
 457         MLX5_SET(flow_context, in_flow_context, ipsec_obj_id, fte->action.ipsec_obj_id);
 458
 459         vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan);
 460
 461         MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[0].ethtype);
 462         MLX5_SET(vlan, vlan, vid, fte->action.vlan[0].vid);
 463         MLX5_SET(vlan, vlan, prio, fte->action.vlan[0].prio);
 464
 465         vlan = MLX5_ADDR_OF(flow_context, in_flow_context, push_vlan_2);
 466
 467         MLX5_SET(vlan, vlan, ethtype, fte->action.vlan[1].ethtype);
 468         MLX5_SET(vlan, vlan, vid, fte->action.vlan[1].vid);
 469         MLX5_SET(vlan, vlan, prio, fte->action.vlan[1].prio);
 470
 471         in_match_value = MLX5_ADDR_OF(flow_context, in_flow_context,
 472                                       match_value);
 473         memcpy(in_match_value, &fte->val, sizeof(fte->val));
 474
 475         in_dests = MLX5_ADDR_OF(flow_context, in_flow_context, destination);
 476         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
 477                 int list_size = 0;
 478
 479                 list_for_each_entry(dst, &fte->node.children, node.list) {
 480                         unsigned int id, type = dst->dest_attr.type;
 481
 482                         if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
 483                                 continue;
 484
 485                         switch (type) {
 486                         case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM:
 487                                 id = dst->dest_attr.ft_num;
 488                                 type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
 489                                 break;
 490                         case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
 491                                 id = dst->dest_attr.ft->id;
 492                                 break;
 493                         case MLX5_FLOW_DESTINATION_TYPE_VPORT:
 494                                 id = dst->dest_attr.vport.num;
 495                                 MLX5_SET(dest_format_struct, in_dests,
 496                                          destination_eswitch_owner_vhca_id_valid,
 497                                          !!(dst->dest_attr.vport.flags &
 498                                             MLX5_FLOW_DEST_VPORT_VHCA_ID));
 499                                 MLX5_SET(dest_format_struct, in_dests,
 500                                          destination_eswitch_owner_vhca_id,
 501                                          dst->dest_attr.vport.vhca_id);
 502                                 if (extended_dest &&
 503                                     dst->dest_attr.vport.pkt_reformat) {
 504                                         MLX5_SET(dest_format_struct, in_dests,
 505                                                  packet_reformat,
 506                                                  !!(dst->dest_attr.vport.flags &
 507                                                     MLX5_FLOW_DEST_VPORT_REFORMAT_ID));
 508                                         MLX5_SET(extended_dest_format, in_dests,
 509                                                  packet_reformat_id,
 510                                                  dst->dest_attr.vport.pkt_reformat->id);
 511                                 }
 512                                 break;
 513                         case MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER:
 514                                 id = dst->dest_attr.sampler_id;
 515                                 break;
 516                         default:
 517                                 id = dst->dest_attr.tir_num;
 518                         }
 519
 520                         MLX5_SET(dest_format_struct, in_dests, destination_type,
 521                                  type);
 522                         MLX5_SET(dest_format_struct, in_dests, destination_id, id);
 523                         in_dests += dst_cnt_size;
 524                         list_size++;
 525                 }
 526
 527                 MLX5_SET(flow_context, in_flow_context, destination_list_size,
 528                          list_size);
 529         }
 530
 531         if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
 532                 int max_list_size = BIT(MLX5_CAP_FLOWTABLE_TYPE(dev,
 533                                         log_max_flow_counter,
 534                                         ft->type));
 535                 int list_size = 0;
 536
 537                 list_for_each_entry(dst, &fte->node.children, node.list) {
 538                         if (dst->dest_attr.type !=
 539                             MLX5_FLOW_DESTINATION_TYPE_COUNTER)
 540                                 continue;
 541
 542                         MLX5_SET(flow_counter_list, in_dests, flow_counter_id,
 543                                  dst->dest_attr.counter_id);
 544                         in_dests += dst_cnt_size;
 545                         list_size++;
 546                 }
 547                 if (list_size > max_list_size) {
 548                         err = -EINVAL;
 549                         goto err_out;
 550                 }
 551
 552                 MLX5_SET(flow_context, in_flow_context, flow_counter_list_size,
 553                          list_size);
 554         }
 555
 556         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 557 err_out:
 558         kvfree(in);
 559         return err;
 560 }
 561
 562 static int mlx5_cmd_create_fte(struct mlx5_flow_root_namespace *ns,
 563                                struct mlx5_flow_table *ft,
 564                                struct mlx5_flow_group *group,
 565                                struct fs_fte *fte)
 566 {
 567         struct mlx5_core_dev *dev = ns->dev;
 568         unsigned int group_id = group->id;
 569
 570         return mlx5_cmd_set_fte(dev, 0, 0, ft, group_id, fte);
 571 }
 572
 573 static int mlx5_cmd_update_fte(struct mlx5_flow_root_namespace *ns,
 574                                struct mlx5_flow_table *ft,
 575                                struct mlx5_flow_group *fg,
 576                                int modify_mask,
 577                                struct fs_fte *fte)
 578 {
 579         int opmod;
 580         struct mlx5_core_dev *dev = ns->dev;
 581         int atomic_mod_cap = MLX5_CAP_FLOWTABLE(dev,
 582                                                 flow_table_properties_nic_receive.
 583                                                 flow_modify_en);
 584         if (!atomic_mod_cap)
 585                 return -EOPNOTSUPP;
 586         opmod = 1;
 587
 588         return  mlx5_cmd_set_fte(dev, opmod, modify_mask, ft, fg->id, fte);
 589 }
 590
 591 static int mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace *ns,
 592                                struct mlx5_flow_table *ft,
 593                                struct fs_fte *fte)
 594 {
 595         u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {};
 596         struct mlx5_core_dev *dev = ns->dev;
 597
 598         MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
 599         MLX5_SET(delete_fte_in, in, table_type, ft->type);
 600         MLX5_SET(delete_fte_in, in, table_id, ft->id);
 601         MLX5_SET(delete_fte_in, in, flow_index, fte->index);
 602         MLX5_SET(delete_fte_in, in, vport_number, ft->vport);
 603         MLX5_SET(delete_fte_in, in, other_vport,
 604                  !!(ft->flags & MLX5_FLOW_TABLE_OTHER_VPORT));
 605
 606         return mlx5_cmd_exec_in(dev, delete_fte, in);
 607 }
 608
 609 int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev,
 610                            enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask,
 611                            u32 *id)
 612 {
 613         u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {};
 614         u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {};
 615         int err;
 616
 617         MLX5_SET(alloc_flow_counter_in, in, opcode,
 618                  MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
 619         MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, alloc_bitmask);
 620
 621         err = mlx5_cmd_exec_inout(dev, alloc_flow_counter, in, out);
 622         if (!err)
 623                 *id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
 624         return err;
 625 }
 626
 627 int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
 628 {
 629         return mlx5_cmd_fc_bulk_alloc(dev, 0, id);
 630 }
 631
 632 int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id)
 633 {
 634         u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {};
 635
 636         MLX5_SET(dealloc_flow_counter_in, in, opcode,
 637                  MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
 638         MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id);
 639         return mlx5_cmd_exec_in(dev, dealloc_flow_counter, in);
 640 }
 641
 642 int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id,
 643                       u64 *packets, u64 *bytes)
 644 {
 645         u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) +
 646                 MLX5_ST_SZ_BYTES(traffic_counter)] = {};
 647         u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {};
 648         void *stats;
 649         int err = 0;
 650
 651         MLX5_SET(query_flow_counter_in, in, opcode,
 652                  MLX5_CMD_OP_QUERY_FLOW_COUNTER);
 653         MLX5_SET(query_flow_counter_in, in, op_mod, 0);
 654         MLX5_SET(query_flow_counter_in, in, flow_counter_id, id);
 655         err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 656         if (err)
 657                 return err;
 658
 659         stats = MLX5_ADDR_OF(query_flow_counter_out, out, flow_statistics);
 660         *packets = MLX5_GET64(traffic_counter, stats, packets);
 661         *bytes = MLX5_GET64(traffic_counter, stats, octets);
 662         return 0;
 663 }
 664
 665 int mlx5_cmd_fc_get_bulk_query_out_len(int bulk_len)
 666 {
 667         return MLX5_ST_SZ_BYTES(query_flow_counter_out) +
 668                 MLX5_ST_SZ_BYTES(traffic_counter) * bulk_len;
 669 }
 670
 671 int mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, u32 base_id, int bulk_len,
 672                            u32 *out)
 673 {
 674         int outlen = mlx5_cmd_fc_get_bulk_query_out_len(bulk_len);
 675         u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {};
 676
 677         MLX5_SET(query_flow_counter_in, in, opcode,
 678                  MLX5_CMD_OP_QUERY_FLOW_COUNTER);
 679         MLX5_SET(query_flow_counter_in, in, flow_counter_id, base_id);
 680         MLX5_SET(query_flow_counter_in, in, num_of_counters, bulk_len);
 681         return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
 682 }
 683
 684 static int mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns,
 685                                           int reformat_type,
 686                                           size_t size,
 687                                           void *reformat_data,
 688                                           enum mlx5_flow_namespace_type namespace,
 689                                           struct mlx5_pkt_reformat *pkt_reformat)
 690 {
 691         u32 out[MLX5_ST_SZ_DW(alloc_packet_reformat_context_out)] = {};
 692         struct mlx5_core_dev *dev = ns->dev;
 693         void *packet_reformat_context_in;
 694         int max_encap_size;
 695         void *reformat;
 696         int inlen;
 697         int err;
 698         u32 *in;
 699
 700         if (namespace == MLX5_FLOW_NAMESPACE_FDB)
 701                 max_encap_size = MLX5_CAP_ESW(dev, max_encap_header_size);
 702         else
 703                 max_encap_size = MLX5_CAP_FLOWTABLE(dev, max_encap_header_size);
 704
 705         if (size > max_encap_size) {
 706                 mlx5_core_warn(dev, "encap size %zd too big, max supported is %d\n",
 707                                size, max_encap_size);
 708                 return -EINVAL;
 709         }
 710
 711         in = kzalloc(MLX5_ST_SZ_BYTES(alloc_packet_reformat_context_in) + size,
 712                      GFP_KERNEL);
 713         if (!in)
 714                 return -ENOMEM;
 715
 716         packet_reformat_context_in = MLX5_ADDR_OF(alloc_packet_reformat_context_in,
 717                                                   in, packet_reformat_context);
 718         reformat = MLX5_ADDR_OF(packet_reformat_context_in,
 719                                 packet_reformat_context_in,
 720                                 reformat_data);
 721         inlen = reformat - (void *)in  + size;
 722
 723         MLX5_SET(alloc_packet_reformat_context_in, in, opcode,
 724                  MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT);
 725         MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
 726                  reformat_data_size, size);
 727         MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
 728                  reformat_type, reformat_type);
 729         memcpy(reformat, reformat_data, size);
 730
 731         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 732
 733         pkt_reformat->id = MLX5_GET(alloc_packet_reformat_context_out,
 734                                     out, packet_reformat_id);
 735         kfree(in);
 736         return err;
 737 }
 738
 739 static void mlx5_cmd_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns,
 740                                              struct mlx5_pkt_reformat *pkt_reformat)
 741 {
 742         u32 in[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_in)] = {};
 743         struct mlx5_core_dev *dev = ns->dev;
 744
 745         MLX5_SET(dealloc_packet_reformat_context_in, in, opcode,
 746                  MLX5_CMD_OP_DEALLOC_PACKET_REFORMAT_CONTEXT);
 747         MLX5_SET(dealloc_packet_reformat_context_in, in, packet_reformat_id,
 748                  pkt_reformat->id);
 749
 750         mlx5_cmd_exec_in(dev, dealloc_packet_reformat_context, in);
 751 }
 752
 753 static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
 754                                         u8 namespace, u8 num_actions,
 755                                         void *modify_actions,
 756                                         struct mlx5_modify_hdr *modify_hdr)
 757 {
 758         u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)] = {};
 759         int max_actions, actions_size, inlen, err;
 760         struct mlx5_core_dev *dev = ns->dev;
 761         void *actions_in;
 762         u8 table_type;
 763         u32 *in;
 764
 765         switch (namespace) {
 766         case MLX5_FLOW_NAMESPACE_FDB:
 767                 max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, max_modify_header_actions);
 768                 table_type = FS_FT_FDB;
 769                 break;
 770         case MLX5_FLOW_NAMESPACE_KERNEL:
 771         case MLX5_FLOW_NAMESPACE_BYPASS:
 772                 max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(dev, max_modify_header_actions);
 773                 table_type = FS_FT_NIC_RX;
 774                 break;
 775         case MLX5_FLOW_NAMESPACE_EGRESS:
 776 #ifdef CONFIG_MLX5_IPSEC
 777         case MLX5_FLOW_NAMESPACE_EGRESS_KERNEL:
 778 #endif
 779                 max_actions = MLX5_CAP_FLOWTABLE_NIC_TX(dev, max_modify_header_actions);
 780                 table_type = FS_FT_NIC_TX;
 781                 break;
 782         case MLX5_FLOW_NAMESPACE_ESW_INGRESS:
 783                 max_actions = MLX5_CAP_ESW_INGRESS_ACL(dev, max_modify_header_actions);
 784                 table_type = FS_FT_ESW_INGRESS_ACL;
 785                 break;
 786         case MLX5_FLOW_NAMESPACE_RDMA_TX:
 787                 max_actions = MLX5_CAP_FLOWTABLE_RDMA_TX(dev, max_modify_header_actions);
 788                 table_type = FS_FT_RDMA_TX;
 789                 break;
 790         default:
 791                 return -EOPNOTSUPP;
 792         }
 793
 794         if (num_actions > max_actions) {
 795                 mlx5_core_warn(dev, "too many modify header actions %d, max supported %d\n",
 796                                num_actions, max_actions);
 797                 return -EOPNOTSUPP;
 798         }
 799
 800         actions_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) * num_actions;
 801         inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size;
 802
 803         in = kzalloc(inlen, GFP_KERNEL);
 804         if (!in)
 805                 return -ENOMEM;
 806
 807         MLX5_SET(alloc_modify_header_context_in, in, opcode,
 808                  MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT);
 809         MLX5_SET(alloc_modify_header_context_in, in, table_type, table_type);
 810         MLX5_SET(alloc_modify_header_context_in, in, num_of_actions, num_actions);
 811
 812         actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions);
 813         memcpy(actions_in, modify_actions, actions_size);
 814
 815         err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
 816
 817         modify_hdr->id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id);
 818         kfree(in);
 819         return err;
 820 }
 821
 822 static void mlx5_cmd_modify_header_dealloc(struct mlx5_flow_root_namespace *ns,
 823                                            struct mlx5_modify_hdr *modify_hdr)
 824 {
 825         u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)] = {};
 826         struct mlx5_core_dev *dev = ns->dev;
 827
 828         MLX5_SET(dealloc_modify_header_context_in, in, opcode,
 829                  MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
 830         MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
 831                  modify_hdr->id);
 832
 833         mlx5_cmd_exec_in(dev, dealloc_modify_header_context, in);
 834 }
 835
 836 static const struct mlx5_flow_cmds mlx5_flow_cmds = {
 837         .create_flow_table = mlx5_cmd_create_flow_table,
 838         .destroy_flow_table = mlx5_cmd_destroy_flow_table,
 839         .modify_flow_table = mlx5_cmd_modify_flow_table,
 840         .create_flow_group = mlx5_cmd_create_flow_group,
 841         .destroy_flow_group = mlx5_cmd_destroy_flow_group,
 842         .create_fte = mlx5_cmd_create_fte,
 843         .update_fte = mlx5_cmd_update_fte,
 844         .delete_fte = mlx5_cmd_delete_fte,
 845         .update_root_ft = mlx5_cmd_update_root_ft,
 846         .packet_reformat_alloc = mlx5_cmd_packet_reformat_alloc,
 847         .packet_reformat_dealloc = mlx5_cmd_packet_reformat_dealloc,
 848         .modify_header_alloc = mlx5_cmd_modify_header_alloc,
 849         .modify_header_dealloc = mlx5_cmd_modify_header_dealloc,
 850         .set_peer = mlx5_cmd_stub_set_peer,
 851         .create_ns = mlx5_cmd_stub_create_ns,
 852         .destroy_ns = mlx5_cmd_stub_destroy_ns,
 853 };
 854
 855 static const struct mlx5_flow_cmds mlx5_flow_cmd_stubs = {
 856         .create_flow_table = mlx5_cmd_stub_create_flow_table,
 857         .destroy_flow_table = mlx5_cmd_stub_destroy_flow_table,
 858         .modify_flow_table = mlx5_cmd_stub_modify_flow_table,
 859         .create_flow_group = mlx5_cmd_stub_create_flow_group,
 860         .destroy_flow_group = mlx5_cmd_stub_destroy_flow_group,
 861         .create_fte = mlx5_cmd_stub_create_fte,
 862         .update_fte = mlx5_cmd_stub_update_fte,
 863         .delete_fte = mlx5_cmd_stub_delete_fte,
 864         .update_root_ft = mlx5_cmd_stub_update_root_ft,
 865         .packet_reformat_alloc = mlx5_cmd_stub_packet_reformat_alloc,
 866         .packet_reformat_dealloc = mlx5_cmd_stub_packet_reformat_dealloc,
 867         .modify_header_alloc = mlx5_cmd_stub_modify_header_alloc,
 868         .modify_header_dealloc = mlx5_cmd_stub_modify_header_dealloc,
 869         .set_peer = mlx5_cmd_stub_set_peer,
 870         .create_ns = mlx5_cmd_stub_create_ns,
 871         .destroy_ns = mlx5_cmd_stub_destroy_ns,
 872 };
 873
 874 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void)
 875 {
 876         return &mlx5_flow_cmds;
 877 }
 878
 879 static const struct mlx5_flow_cmds *mlx5_fs_cmd_get_stub_cmds(void)
 880 {
 881         return &mlx5_flow_cmd_stubs;
 882 }
 883
 884 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type type)
 885 {
 886         switch (type) {
 887         case FS_FT_NIC_RX:
 888         case FS_FT_ESW_EGRESS_ACL:
 889         case FS_FT_ESW_INGRESS_ACL:
 890         case FS_FT_FDB:
 891         case FS_FT_SNIFFER_RX:
 892         case FS_FT_SNIFFER_TX:
 893         case FS_FT_NIC_TX:
 894         case FS_FT_RDMA_RX:
 895         case FS_FT_RDMA_TX:
 896                 return mlx5_fs_cmd_get_fw_cmds();
 897         default:
 898                 return mlx5_fs_cmd_get_stub_cmds();
 899         }
 900 }