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