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

   1 /*
   2  * Copyright (c) 2016, 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 <net/flow_dissector.h>
  34 #include <net/sch_generic.h>
  35 #include <net/pkt_cls.h>
  36 #include <net/tc_act/tc_gact.h>
  37 #include <net/tc_act/tc_skbedit.h>
  38 #include <linux/mlx5/fs.h>
  39 #include <linux/mlx5/device.h>
  40 #include <linux/rhashtable.h>
  41 #include <net/switchdev.h>
  42 #include <net/tc_act/tc_mirred.h>
  43 #include <net/tc_act/tc_vlan.h>
  44 #include <net/tc_act/tc_tunnel_key.h>
  45 #include <net/vxlan.h>
  46 #include "en.h"
  47 #include "en_tc.h"
  48 #include "eswitch.h"
  49 #include "vxlan.h"
  50
  51 struct mlx5e_tc_flow {
  52         struct rhash_head       node;
  53         u64                     cookie;
  54         struct mlx5_flow_handle *rule;
  55         struct list_head        encap; /* flows sharing the same encap */
  56         struct mlx5_esw_flow_attr *attr;
  57 };
  58
  59 enum {
  60         MLX5_HEADER_TYPE_VXLAN = 0x0,
  61         MLX5_HEADER_TYPE_NVGRE = 0x1,
  62 };
  63
  64 #define MLX5E_TC_TABLE_NUM_ENTRIES 1024
  65 #define MLX5E_TC_TABLE_NUM_GROUPS 4
  66
  67 static struct mlx5_flow_handle *
  68 mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv,
  69                       struct mlx5_flow_spec *spec,
  70                       u32 action, u32 flow_tag)
  71 {
  72         struct mlx5_core_dev *dev = priv->mdev;
  73         struct mlx5_flow_destination dest = { 0 };
  74         struct mlx5_flow_act flow_act = {
  75                 .action = action,
  76                 .flow_tag = flow_tag,
  77                 .encap_id = 0,
  78         };
  79         struct mlx5_fc *counter = NULL;
  80         struct mlx5_flow_handle *rule;
  81         bool table_created = false;
  82
  83         if (action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
  84                 dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
  85                 dest.ft = priv->fs.vlan.ft.t;
  86         } else if (action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
  87                 counter = mlx5_fc_create(dev, true);
  88                 if (IS_ERR(counter))
  89                         return ERR_CAST(counter);
  90
  91                 dest.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
  92                 dest.counter = counter;
  93         }
  94
  95         if (IS_ERR_OR_NULL(priv->fs.tc.t)) {
  96                 priv->fs.tc.t =
  97                         mlx5_create_auto_grouped_flow_table(priv->fs.ns,
  98                                                             MLX5E_TC_PRIO,
  99                                                             MLX5E_TC_TABLE_NUM_ENTRIES,
 100                                                             MLX5E_TC_TABLE_NUM_GROUPS,
 101                                                             0, 0);
 102                 if (IS_ERR(priv->fs.tc.t)) {
 103                         netdev_err(priv->netdev,
 104                                    "Failed to create tc offload table\n");
 105                         rule = ERR_CAST(priv->fs.tc.t);
 106                         goto err_create_ft;
 107                 }
 108
 109                 table_created = true;
 110         }
 111
 112         spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
 113         rule = mlx5_add_flow_rules(priv->fs.tc.t, spec, &flow_act, &dest, 1);
 114
 115         if (IS_ERR(rule))
 116                 goto err_add_rule;
 117
 118         return rule;
 119
 120 err_add_rule:
 121         if (table_created) {
 122                 mlx5_destroy_flow_table(priv->fs.tc.t);
 123                 priv->fs.tc.t = NULL;
 124         }
 125 err_create_ft:
 126         mlx5_fc_destroy(dev, counter);
 127
 128         return rule;
 129 }
 130
 131 static struct mlx5_flow_handle *
 132 mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
 133                       struct mlx5_flow_spec *spec,
 134                       struct mlx5_esw_flow_attr *attr)
 135 {
 136         struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
 137         int err;
 138
 139         err = mlx5_eswitch_add_vlan_action(esw, attr);
 140         if (err)
 141                 return ERR_PTR(err);
 142
 143         return mlx5_eswitch_add_offloaded_rule(esw, spec, attr);
 144 }
 145
 146 static void mlx5e_detach_encap(struct mlx5e_priv *priv,
 147                                struct mlx5e_tc_flow *flow) {
 148         struct list_head *next = flow->encap.next;
 149
 150         list_del(&flow->encap);
 151         if (list_empty(next)) {
 152                 struct mlx5_encap_entry *e;
 153
 154                 e = list_entry(next, struct mlx5_encap_entry, flows);
 155                 if (e->n) {
 156                         mlx5_encap_dealloc(priv->mdev, e->encap_id);
 157                         neigh_release(e->n);
 158                 }
 159                 hlist_del_rcu(&e->encap_hlist);
 160                 kfree(e);
 161         }
 162 }
 163
 164 static void mlx5e_tc_del_flow(struct mlx5e_priv *priv,
 165                               struct mlx5e_tc_flow *flow)
 166 {
 167         struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
 168         struct mlx5_fc *counter = NULL;
 169
 170         counter = mlx5_flow_rule_counter(flow->rule);
 171
 172         mlx5_del_flow_rules(flow->rule);
 173
 174         if (esw && esw->mode == SRIOV_OFFLOADS) {
 175                 mlx5_eswitch_del_vlan_action(esw, flow->attr);
 176                 if (flow->attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)
 177                         mlx5e_detach_encap(priv, flow);
 178         }
 179
 180         mlx5_fc_destroy(priv->mdev, counter);
 181
 182         if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) {
 183                 mlx5_destroy_flow_table(priv->fs.tc.t);
 184                 priv->fs.tc.t = NULL;
 185         }
 186 }
 187
 188 static void parse_vxlan_attr(struct mlx5_flow_spec *spec,
 189                              struct tc_cls_flower_offload *f)
 190 {
 191         void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
 192                                        outer_headers);
 193         void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
 194                                        outer_headers);
 195         void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
 196                                     misc_parameters);
 197         void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
 198                                     misc_parameters);
 199
 200         MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_protocol);
 201         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP);
 202
 203         if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID)) {
 204                 struct flow_dissector_key_keyid *key =
 205                         skb_flow_dissector_target(f->dissector,
 206                                                   FLOW_DISSECTOR_KEY_ENC_KEYID,
 207                                                   f->key);
 208                 struct flow_dissector_key_keyid *mask =
 209                         skb_flow_dissector_target(f->dissector,
 210                                                   FLOW_DISSECTOR_KEY_ENC_KEYID,
 211                                                   f->mask);
 212                 MLX5_SET(fte_match_set_misc, misc_c, vxlan_vni,
 213                          be32_to_cpu(mask->keyid));
 214                 MLX5_SET(fte_match_set_misc, misc_v, vxlan_vni,
 215                          be32_to_cpu(key->keyid));
 216         }
 217 }
 218
 219 static int parse_tunnel_attr(struct mlx5e_priv *priv,
 220                              struct mlx5_flow_spec *spec,
 221                              struct tc_cls_flower_offload *f)
 222 {
 223         void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
 224                                        outer_headers);
 225         void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
 226                                        outer_headers);
 227
 228         struct flow_dissector_key_control *enc_control =
 229                 skb_flow_dissector_target(f->dissector,
 230                                           FLOW_DISSECTOR_KEY_ENC_CONTROL,
 231                                           f->key);
 232
 233         if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) {
 234                 struct flow_dissector_key_ports *key =
 235                         skb_flow_dissector_target(f->dissector,
 236                                                   FLOW_DISSECTOR_KEY_ENC_PORTS,
 237                                                   f->key);
 238                 struct flow_dissector_key_ports *mask =
 239                         skb_flow_dissector_target(f->dissector,
 240                                                   FLOW_DISSECTOR_KEY_ENC_PORTS,
 241                                                   f->mask);
 242
 243                 /* Full udp dst port must be given */
 244                 if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst)))
 245                         goto vxlan_match_offload_err;
 246
 247                 if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->dst)) &&
 248                     MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap))
 249                         parse_vxlan_attr(spec, f);
 250                 else {
 251                         netdev_warn(priv->netdev,
 252                                     "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->dst));
 253                         return -EOPNOTSUPP;
 254                 }
 255
 256                 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
 257                          udp_dport, ntohs(mask->dst));
 258                 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
 259                          udp_dport, ntohs(key->dst));
 260
 261                 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
 262                          udp_sport, ntohs(mask->src));
 263                 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
 264                          udp_sport, ntohs(key->src));
 265         } else { /* udp dst port must be given */
 266 vxlan_match_offload_err:
 267                 netdev_warn(priv->netdev,
 268                             "IP tunnel decap offload supported only for vxlan, must set UDP dport\n");
 269                 return -EOPNOTSUPP;
 270         }
 271
 272         if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) {
 273                 struct flow_dissector_key_ipv4_addrs *key =
 274                         skb_flow_dissector_target(f->dissector,
 275                                                   FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS,
 276                                                   f->key);
 277                 struct flow_dissector_key_ipv4_addrs *mask =
 278                         skb_flow_dissector_target(f->dissector,
 279                                                   FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS,
 280                                                   f->mask);
 281                 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
 282                          src_ipv4_src_ipv6.ipv4_layout.ipv4,
 283                          ntohl(mask->src));
 284                 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
 285                          src_ipv4_src_ipv6.ipv4_layout.ipv4,
 286                          ntohl(key->src));
 287
 288                 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
 289                          dst_ipv4_dst_ipv6.ipv4_layout.ipv4,
 290                          ntohl(mask->dst));
 291                 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
 292                          dst_ipv4_dst_ipv6.ipv4_layout.ipv4,
 293                          ntohl(key->dst));
 294
 295                 MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype);
 296                 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP);
 297         }
 298
 299         /* Enforce DMAC when offloading incoming tunneled flows.
 300          * Flow counters require a match on the DMAC.
 301          */
 302         MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16);
 303         MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0);
 304         ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
 305                                      dmac_47_16), priv->netdev->dev_addr);
 306
 307         /* let software handle IP fragments */
 308         MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1);
 309         MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0);
 310
 311         return 0;
 312 }
 313
 314 static int __parse_cls_flower(struct mlx5e_priv *priv,
 315                               struct mlx5_flow_spec *spec,
 316                               struct tc_cls_flower_offload *f,
 317                               u8 *min_inline)
 318 {
 319         void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
 320                                        outer_headers);
 321         void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
 322                                        outer_headers);
 323         u16 addr_type = 0;
 324         u8 ip_proto = 0;
 325
 326         *min_inline = MLX5_INLINE_MODE_L2;
 327
 328         if (f->dissector->used_keys &
 329             ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) |
 330               BIT(FLOW_DISSECTOR_KEY_BASIC) |
 331               BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
 332               BIT(FLOW_DISSECTOR_KEY_VLAN) |
 333               BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
 334               BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
 335               BIT(FLOW_DISSECTOR_KEY_PORTS) |
 336               BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) |
 337               BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) |
 338               BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) |
 339               BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) |
 340               BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL))) {
 341                 netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n",
 342                             f->dissector->used_keys);
 343                 return -EOPNOTSUPP;
 344         }
 345
 346         if ((dissector_uses_key(f->dissector,
 347                                 FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) ||
 348              dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID) ||
 349              dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) &&
 350             dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_CONTROL)) {
 351                 struct flow_dissector_key_control *key =
 352                         skb_flow_dissector_target(f->dissector,
 353                                                   FLOW_DISSECTOR_KEY_ENC_CONTROL,
 354                                                   f->key);
 355                 switch (key->addr_type) {
 356                 case FLOW_DISSECTOR_KEY_IPV4_ADDRS:
 357                         if (parse_tunnel_attr(priv, spec, f))
 358                                 return -EOPNOTSUPP;
 359                         break;
 360                 case FLOW_DISSECTOR_KEY_IPV6_ADDRS:
 361                         netdev_warn(priv->netdev,
 362                                     "IPv6 tunnel decap offload isn't supported\n");
 363                 default:
 364                         return -EOPNOTSUPP;
 365                 }
 366
 367                 /* In decap flow, header pointers should point to the inner
 368                  * headers, outer header were already set by parse_tunnel_attr
 369                  */
 370                 headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
 371                                          inner_headers);
 372                 headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
 373                                          inner_headers);
 374         }
 375
 376         if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) {
 377                 struct flow_dissector_key_control *key =
 378                         skb_flow_dissector_target(f->dissector,
 379                                                   FLOW_DISSECTOR_KEY_CONTROL,
 380                                                   f->key);
 381
 382                 struct flow_dissector_key_control *mask =
 383                         skb_flow_dissector_target(f->dissector,
 384                                                   FLOW_DISSECTOR_KEY_CONTROL,
 385                                                   f->mask);
 386                 addr_type = key->addr_type;
 387
 388                 if (mask->flags & FLOW_DIS_IS_FRAGMENT) {
 389                         MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1);
 390                         MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag,
 391                                  key->flags & FLOW_DIS_IS_FRAGMENT);
 392                 }
 393         }
 394
 395         if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) {
 396                 struct flow_dissector_key_basic *key =
 397                         skb_flow_dissector_target(f->dissector,
 398                                                   FLOW_DISSECTOR_KEY_BASIC,
 399                                                   f->key);
 400                 struct flow_dissector_key_basic *mask =
 401                         skb_flow_dissector_target(f->dissector,
 402                                                   FLOW_DISSECTOR_KEY_BASIC,
 403                                                   f->mask);
 404                 ip_proto = key->ip_proto;
 405
 406                 MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype,
 407                          ntohs(mask->n_proto));
 408                 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
 409                          ntohs(key->n_proto));
 410
 411                 MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol,
 412                          mask->ip_proto);
 413                 MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
 414                          key->ip_proto);
 415
 416                 if (mask->ip_proto)
 417                         *min_inline = MLX5_INLINE_MODE_IP;
 418         }
 419
 420         if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
 421                 struct flow_dissector_key_eth_addrs *key =
 422                         skb_flow_dissector_target(f->dissector,
 423                                                   FLOW_DISSECTOR_KEY_ETH_ADDRS,
 424                                                   f->key);
 425                 struct flow_dissector_key_eth_addrs *mask =
 426                         skb_flow_dissector_target(f->dissector,
 427                                                   FLOW_DISSECTOR_KEY_ETH_ADDRS,
 428                                                   f->mask);
 429
 430                 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
 431                                              dmac_47_16),
 432                                 mask->dst);
 433                 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
 434                                              dmac_47_16),
 435                                 key->dst);
 436
 437                 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
 438                                              smac_47_16),
 439                                 mask->src);
 440                 ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
 441                                              smac_47_16),
 442                                 key->src);
 443         }
 444
 445         if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) {
 446                 struct flow_dissector_key_vlan *key =
 447                         skb_flow_dissector_target(f->dissector,
 448                                                   FLOW_DISSECTOR_KEY_VLAN,
 449                                                   f->key);
 450                 struct flow_dissector_key_vlan *mask =
 451                         skb_flow_dissector_target(f->dissector,
 452                                                   FLOW_DISSECTOR_KEY_VLAN,
 453                                                   f->mask);
 454                 if (mask->vlan_id || mask->vlan_priority) {
 455                         MLX5_SET(fte_match_set_lyr_2_4, headers_c, vlan_tag, 1);
 456                         MLX5_SET(fte_match_set_lyr_2_4, headers_v, vlan_tag, 1);
 457
 458                         MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id);
 459                         MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id);
 460
 461                         MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority);
 462                         MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority);
 463                 }
 464         }
 465
 466         if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) {
 467                 struct flow_dissector_key_ipv4_addrs *key =
 468                         skb_flow_dissector_target(f->dissector,
 469                                                   FLOW_DISSECTOR_KEY_IPV4_ADDRS,
 470                                                   f->key);
 471                 struct flow_dissector_key_ipv4_addrs *mask =
 472                         skb_flow_dissector_target(f->dissector,
 473                                                   FLOW_DISSECTOR_KEY_IPV4_ADDRS,
 474                                                   f->mask);
 475
 476                 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
 477                                     src_ipv4_src_ipv6.ipv4_layout.ipv4),
 478                        &mask->src, sizeof(mask->src));
 479                 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
 480                                     src_ipv4_src_ipv6.ipv4_layout.ipv4),
 481                        &key->src, sizeof(key->src));
 482                 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
 483                                     dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
 484                        &mask->dst, sizeof(mask->dst));
 485                 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
 486                                     dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
 487                        &key->dst, sizeof(key->dst));
 488
 489                 if (mask->src || mask->dst)
 490                         *min_inline = MLX5_INLINE_MODE_IP;
 491         }
 492
 493         if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) {
 494                 struct flow_dissector_key_ipv6_addrs *key =
 495                         skb_flow_dissector_target(f->dissector,
 496                                                   FLOW_DISSECTOR_KEY_IPV6_ADDRS,
 497                                                   f->key);
 498                 struct flow_dissector_key_ipv6_addrs *mask =
 499                         skb_flow_dissector_target(f->dissector,
 500                                                   FLOW_DISSECTOR_KEY_IPV6_ADDRS,
 501                                                   f->mask);
 502
 503                 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
 504                                     src_ipv4_src_ipv6.ipv6_layout.ipv6),
 505                        &mask->src, sizeof(mask->src));
 506                 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
 507                                     src_ipv4_src_ipv6.ipv6_layout.ipv6),
 508                        &key->src, sizeof(key->src));
 509
 510                 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
 511                                     dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
 512                        &mask->dst, sizeof(mask->dst));
 513                 memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
 514                                     dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
 515                        &key->dst, sizeof(key->dst));
 516
 517                 if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY ||
 518                     ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY)
 519                         *min_inline = MLX5_INLINE_MODE_IP;
 520         }
 521
 522         if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) {
 523                 struct flow_dissector_key_ports *key =
 524                         skb_flow_dissector_target(f->dissector,
 525                                                   FLOW_DISSECTOR_KEY_PORTS,
 526                                                   f->key);
 527                 struct flow_dissector_key_ports *mask =
 528                         skb_flow_dissector_target(f->dissector,
 529                                                   FLOW_DISSECTOR_KEY_PORTS,
 530                                                   f->mask);
 531                 switch (ip_proto) {
 532                 case IPPROTO_TCP:
 533                         MLX5_SET(fte_match_set_lyr_2_4, headers_c,
 534                                  tcp_sport, ntohs(mask->src));
 535                         MLX5_SET(fte_match_set_lyr_2_4, headers_v,
 536                                  tcp_sport, ntohs(key->src));
 537
 538                         MLX5_SET(fte_match_set_lyr_2_4, headers_c,
 539                                  tcp_dport, ntohs(mask->dst));
 540                         MLX5_SET(fte_match_set_lyr_2_4, headers_v,
 541                                  tcp_dport, ntohs(key->dst));
 542                         break;
 543
 544                 case IPPROTO_UDP:
 545                         MLX5_SET(fte_match_set_lyr_2_4, headers_c,
 546                                  udp_sport, ntohs(mask->src));
 547                         MLX5_SET(fte_match_set_lyr_2_4, headers_v,
 548                                  udp_sport, ntohs(key->src));
 549
 550                         MLX5_SET(fte_match_set_lyr_2_4, headers_c,
 551                                  udp_dport, ntohs(mask->dst));
 552                         MLX5_SET(fte_match_set_lyr_2_4, headers_v,
 553                                  udp_dport, ntohs(key->dst));
 554                         break;
 555                 default:
 556                         netdev_err(priv->netdev,
 557                                    "Only UDP and TCP transport are supported\n");
 558                         return -EINVAL;
 559                 }
 560
 561                 if (mask->src || mask->dst)
 562                         *min_inline = MLX5_INLINE_MODE_TCP_UDP;
 563         }
 564
 565         return 0;
 566 }
 567
 568 static int parse_cls_flower(struct mlx5e_priv *priv,
 569                             struct mlx5_flow_spec *spec,
 570                             struct tc_cls_flower_offload *f)
 571 {
 572         struct mlx5_core_dev *dev = priv->mdev;
 573         struct mlx5_eswitch *esw = dev->priv.eswitch;
 574         struct mlx5_eswitch_rep *rep = priv->ppriv;
 575         u8 min_inline;
 576         int err;
 577
 578         err = __parse_cls_flower(priv, spec, f, &min_inline);
 579
 580         if (!err && esw->mode == SRIOV_OFFLOADS &&
 581             rep->vport != FDB_UPLINK_VPORT) {
 582                 if (min_inline > esw->offloads.inline_mode) {
 583                         netdev_warn(priv->netdev,
 584                                     "Flow is not offloaded due to min inline setting, required %d actual %d\n",
 585                                     min_inline, esw->offloads.inline_mode);
 586                         return -EOPNOTSUPP;
 587                 }
 588         }
 589
 590         return err;
 591 }
 592
 593 static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts,
 594                                 u32 *action, u32 *flow_tag)
 595 {
 596         const struct tc_action *a;
 597         LIST_HEAD(actions);
 598
 599         if (tc_no_actions(exts))
 600                 return -EINVAL;
 601
 602         *flow_tag = MLX5_FS_DEFAULT_FLOW_TAG;
 603         *action = 0;
 604
 605         tcf_exts_to_list(exts, &actions);
 606         list_for_each_entry(a, &actions, list) {
 607                 /* Only support a single action per rule */
 608                 if (*action)
 609                         return -EINVAL;
 610
 611                 if (is_tcf_gact_shot(a)) {
 612                         *action |= MLX5_FLOW_CONTEXT_ACTION_DROP;
 613                         if (MLX5_CAP_FLOWTABLE(priv->mdev,
 614                                                flow_table_properties_nic_receive.flow_counter))
 615                                 *action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
 616                         continue;
 617                 }
 618
 619                 if (is_tcf_skbedit_mark(a)) {
 620                         u32 mark = tcf_skbedit_mark(a);
 621
 622                         if (mark & ~MLX5E_TC_FLOW_ID_MASK) {
 623                                 netdev_warn(priv->netdev, "Bad flow mark - only 16 bit is supported: 0x%x\n",
 624                                             mark);
 625                                 return -EINVAL;
 626                         }
 627
 628                         *flow_tag = mark;
 629                         *action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
 630                         continue;
 631                 }
 632
 633                 return -EINVAL;
 634         }
 635
 636         return 0;
 637 }
 638
 639 static inline int cmp_encap_info(struct mlx5_encap_info *a,
 640                                  struct mlx5_encap_info *b)
 641 {
 642         return memcmp(a, b, sizeof(*a));
 643 }
 644
 645 static inline int hash_encap_info(struct mlx5_encap_info *info)
 646 {
 647         return jhash(info, sizeof(*info), 0);
 648 }
 649
 650 static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv,
 651                                    struct net_device *mirred_dev,
 652                                    struct net_device **out_dev,
 653                                    struct flowi4 *fl4,
 654                                    struct neighbour **out_n,
 655                                    __be32 *saddr,
 656                                    int *out_ttl)
 657 {
 658         struct rtable *rt;
 659         struct neighbour *n = NULL;
 660         int ttl;
 661
 662 #if IS_ENABLED(CONFIG_INET)
 663         rt = ip_route_output_key(dev_net(mirred_dev), fl4);
 664         if (IS_ERR(rt))
 665                 return PTR_ERR(rt);
 666 #else
 667         return -EOPNOTSUPP;
 668 #endif
 669
 670         if (!switchdev_port_same_parent_id(priv->netdev, rt->dst.dev)) {
 671                 pr_warn("%s: can't offload, devices not on same HW e-switch\n", __func__);
 672                 ip_rt_put(rt);
 673                 return -EOPNOTSUPP;
 674         }
 675
 676         ttl = ip4_dst_hoplimit(&rt->dst);
 677         n = dst_neigh_lookup(&rt->dst, &fl4->daddr);
 678         ip_rt_put(rt);
 679         if (!n)
 680                 return -ENOMEM;
 681
 682         *out_n = n;
 683         *saddr = fl4->saddr;
 684         *out_ttl = ttl;
 685         *out_dev = rt->dst.dev;
 686
 687         return 0;
 688 }
 689
 690 static int gen_vxlan_header_ipv4(struct net_device *out_dev,
 691                                  char buf[],
 692                                  unsigned char h_dest[ETH_ALEN],
 693                                  int ttl,
 694                                  __be32 daddr,
 695                                  __be32 saddr,
 696                                  __be16 udp_dst_port,
 697                                  __be32 vx_vni)
 698 {
 699         int encap_size = VXLAN_HLEN + sizeof(struct iphdr) + ETH_HLEN;
 700         struct ethhdr *eth = (struct ethhdr *)buf;
 701         struct iphdr  *ip = (struct iphdr *)((char *)eth + sizeof(struct ethhdr));
 702         struct udphdr *udp = (struct udphdr *)((char *)ip + sizeof(struct iphdr));
 703         struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr));
 704
 705         memset(buf, 0, encap_size);
 706
 707         ether_addr_copy(eth->h_dest, h_dest);
 708         ether_addr_copy(eth->h_source, out_dev->dev_addr);
 709         eth->h_proto = htons(ETH_P_IP);
 710
 711         ip->daddr = daddr;
 712         ip->saddr = saddr;
 713
 714         ip->ttl = ttl;
 715         ip->protocol = IPPROTO_UDP;
 716         ip->version = 0x4;
 717         ip->ihl = 0x5;
 718
 719         udp->dest = udp_dst_port;
 720         vxh->vx_flags = VXLAN_HF_VNI;
 721         vxh->vx_vni = vxlan_vni_field(vx_vni);
 722
 723         return encap_size;
 724 }
 725
 726 static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv,
 727                                           struct net_device *mirred_dev,
 728                                           struct mlx5_encap_entry *e,
 729                                           struct net_device **out_dev)
 730 {
 731         int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size);
 732         struct neighbour *n = NULL;
 733         struct flowi4 fl4 = {};
 734         char *encap_header;
 735         int encap_size;
 736         __be32 saddr;
 737         int ttl;
 738         int err;
 739
 740         encap_header = kzalloc(max_encap_size, GFP_KERNEL);
 741         if (!encap_header)
 742                 return -ENOMEM;
 743
 744         switch (e->tunnel_type) {
 745         case MLX5_HEADER_TYPE_VXLAN:
 746                 fl4.flowi4_proto = IPPROTO_UDP;
 747                 fl4.fl4_dport = e->tun_info.tp_dst;
 748                 break;
 749         default:
 750                 err = -EOPNOTSUPP;
 751                 goto out;
 752         }
 753         fl4.daddr = e->tun_info.daddr;
 754
 755         err = mlx5e_route_lookup_ipv4(priv, mirred_dev, out_dev,
 756                                       &fl4, &n, &saddr, &ttl);
 757         if (err)
 758                 goto out;
 759
 760         e->n = n;
 761         e->out_dev = *out_dev;
 762
 763         if (!(n->nud_state & NUD_VALID)) {
 764                 pr_warn("%s: can't offload, neighbour to %pI4 invalid\n", __func__, &fl4.daddr);
 765                 err = -EOPNOTSUPP;
 766                 goto out;
 767         }
 768
 769         neigh_ha_snapshot(e->h_dest, n, *out_dev);
 770
 771         switch (e->tunnel_type) {
 772         case MLX5_HEADER_TYPE_VXLAN:
 773                 encap_size = gen_vxlan_header_ipv4(*out_dev, encap_header,
 774                                                    e->h_dest, ttl,
 775                                                    e->tun_info.daddr,
 776                                                    saddr, e->tun_info.tp_dst,
 777                                                    e->tun_info.tun_id);
 778                 break;
 779         default:
 780                 err = -EOPNOTSUPP;
 781                 goto out;
 782         }
 783
 784         err = mlx5_encap_alloc(priv->mdev, e->tunnel_type,
 785                                encap_size, encap_header, &e->encap_id);
 786 out:
 787         if (err && n)
 788                 neigh_release(n);
 789         kfree(encap_header);
 790         return err;
 791 }
 792
 793 static int mlx5e_attach_encap(struct mlx5e_priv *priv,
 794                               struct ip_tunnel_info *tun_info,
 795                               struct net_device *mirred_dev,
 796                               struct mlx5_esw_flow_attr *attr)
 797 {
 798         struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
 799         unsigned short family = ip_tunnel_info_af(tun_info);
 800         struct ip_tunnel_key *key = &tun_info->key;
 801         struct mlx5_encap_info info;
 802         struct mlx5_encap_entry *e;
 803         struct net_device *out_dev;
 804         uintptr_t hash_key;
 805         bool found = false;
 806         int tunnel_type;
 807         int err;
 808
 809         /* udp dst port must be set */
 810         if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst)))
 811                 goto vxlan_encap_offload_err;
 812
 813         /* setting udp src port isn't supported */
 814         if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) {
 815 vxlan_encap_offload_err:
 816                 netdev_warn(priv->netdev,
 817                             "must set udp dst port and not set udp src port\n");
 818                 return -EOPNOTSUPP;
 819         }
 820
 821         if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->tp_dst)) &&
 822             MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) {
 823                 info.tp_dst = key->tp_dst;
 824                 info.tun_id = tunnel_id_to_key32(key->tun_id);
 825                 tunnel_type = MLX5_HEADER_TYPE_VXLAN;
 826         } else {
 827                 netdev_warn(priv->netdev,
 828                             "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->tp_dst));
 829                 return -EOPNOTSUPP;
 830         }
 831
 832         switch (family) {
 833         case AF_INET:
 834                 info.daddr = key->u.ipv4.dst;
 835                 break;
 836         case AF_INET6:
 837                 netdev_warn(priv->netdev,
 838                             "IPv6 tunnel encap offload isn't supported\n");
 839         default:
 840                 return -EOPNOTSUPP;
 841         }
 842
 843         hash_key = hash_encap_info(&info);
 844
 845         hash_for_each_possible_rcu(esw->offloads.encap_tbl, e,
 846                                    encap_hlist, hash_key) {
 847                 if (!cmp_encap_info(&e->tun_info, &info)) {
 848                         found = true;
 849                         break;
 850                 }
 851         }
 852
 853         if (found) {
 854                 attr->encap = e;
 855                 return 0;
 856         }
 857
 858         e = kzalloc(sizeof(*e), GFP_KERNEL);
 859         if (!e)
 860                 return -ENOMEM;
 861
 862         e->tun_info = info;
 863         e->tunnel_type = tunnel_type;
 864         INIT_LIST_HEAD(&e->flows);
 865
 866         err = mlx5e_create_encap_header_ipv4(priv, mirred_dev, e, &out_dev);
 867         if (err)
 868                 goto out_err;
 869
 870         attr->encap = e;
 871         hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key);
 872
 873         return err;
 874
 875 out_err:
 876         kfree(e);
 877         return err;
 878 }
 879
 880 static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts,
 881                                 struct mlx5e_tc_flow *flow)
 882 {
 883         struct mlx5_esw_flow_attr *attr = flow->attr;
 884         struct ip_tunnel_info *info = NULL;
 885         const struct tc_action *a;
 886         LIST_HEAD(actions);
 887         bool encap = false;
 888         int err;
 889
 890         if (tc_no_actions(exts))
 891                 return -EINVAL;
 892
 893         memset(attr, 0, sizeof(*attr));
 894         attr->in_rep = priv->ppriv;
 895
 896         tcf_exts_to_list(exts, &actions);
 897         list_for_each_entry(a, &actions, list) {
 898                 if (is_tcf_gact_shot(a)) {
 899                         attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP |
 900                                         MLX5_FLOW_CONTEXT_ACTION_COUNT;
 901                         continue;
 902                 }
 903
 904                 if (is_tcf_mirred_egress_redirect(a)) {
 905                         int ifindex = tcf_mirred_ifindex(a);
 906                         struct net_device *out_dev;
 907                         struct mlx5e_priv *out_priv;
 908
 909                         out_dev = __dev_get_by_index(dev_net(priv->netdev), ifindex);
 910
 911                         if (switchdev_port_same_parent_id(priv->netdev,
 912                                                           out_dev)) {
 913                                 attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
 914                                         MLX5_FLOW_CONTEXT_ACTION_COUNT;
 915                                 out_priv = netdev_priv(out_dev);
 916                                 attr->out_rep = out_priv->ppriv;
 917                         } else if (encap) {
 918                                 err = mlx5e_attach_encap(priv, info,
 919                                                          out_dev, attr);
 920                                 if (err)
 921                                         return err;
 922                                 list_add(&flow->encap, &attr->encap->flows);
 923                                 attr->action |= MLX5_FLOW_CONTEXT_ACTION_ENCAP |
 924                                         MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
 925                                         MLX5_FLOW_CONTEXT_ACTION_COUNT;
 926                                 out_priv = netdev_priv(attr->encap->out_dev);
 927                                 attr->out_rep = out_priv->ppriv;
 928                         } else {
 929                                 pr_err("devices %s %s not on same switch HW, can't offload forwarding\n",
 930                                        priv->netdev->name, out_dev->name);
 931                                 return -EINVAL;
 932                         }
 933                         continue;
 934                 }
 935
 936                 if (is_tcf_tunnel_set(a)) {
 937                         info = tcf_tunnel_info(a);
 938                         if (info)
 939                                 encap = true;
 940                         else
 941                                 return -EOPNOTSUPP;
 942                         continue;
 943                 }
 944
 945                 if (is_tcf_vlan(a)) {
 946                         if (tcf_vlan_action(a) == VLAN_F_POP) {
 947                                 attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
 948                         } else if (tcf_vlan_action(a) == VLAN_F_PUSH) {
 949                                 if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q))
 950                                         return -EOPNOTSUPP;
 951
 952                                 attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH;
 953                                 attr->vlan = tcf_vlan_push_vid(a);
 954                         }
 955                         continue;
 956                 }
 957
 958                 if (is_tcf_tunnel_release(a)) {
 959                         attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP;
 960                         continue;
 961                 }
 962
 963                 return -EINVAL;
 964         }
 965         return 0;
 966 }
 967
 968 int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol,
 969                            struct tc_cls_flower_offload *f)
 970 {
 971         struct mlx5e_tc_table *tc = &priv->fs.tc;
 972         int err = 0;
 973         bool fdb_flow = false;
 974         u32 flow_tag, action;
 975         struct mlx5e_tc_flow *flow;
 976         struct mlx5_flow_spec *spec;
 977         struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
 978
 979         if (esw && esw->mode == SRIOV_OFFLOADS)
 980                 fdb_flow = true;
 981
 982         if (fdb_flow)
 983                 flow = kzalloc(sizeof(*flow) +
 984                                sizeof(struct mlx5_esw_flow_attr),
 985                                GFP_KERNEL);
 986         else
 987                 flow = kzalloc(sizeof(*flow), GFP_KERNEL);
 988
 989         spec = mlx5_vzalloc(sizeof(*spec));
 990         if (!spec || !flow) {
 991                 err = -ENOMEM;
 992                 goto err_free;
 993         }
 994
 995         flow->cookie = f->cookie;
 996
 997         err = parse_cls_flower(priv, spec, f);
 998         if (err < 0)
 999                 goto err_free;
1000
1001         if (fdb_flow) {
1002                 flow->attr  = (struct mlx5_esw_flow_attr *)(flow + 1);
1003                 err = parse_tc_fdb_actions(priv, f->exts, flow);
1004                 if (err < 0)
1005                         goto err_free;
1006                 flow->rule = mlx5e_tc_add_fdb_flow(priv, spec, flow->attr);
1007         } else {
1008                 err = parse_tc_nic_actions(priv, f->exts, &action, &flow_tag);
1009                 if (err < 0)
1010                         goto err_free;
1011                 flow->rule = mlx5e_tc_add_nic_flow(priv, spec, action, flow_tag);
1012         }
1013
1014         if (IS_ERR(flow->rule)) {
1015                 err = PTR_ERR(flow->rule);
1016                 goto err_free;
1017         }
1018
1019         err = rhashtable_insert_fast(&tc->ht, &flow->node,
1020                                      tc->ht_params);
1021         if (err)
1022                 goto err_del_rule;
1023
1024         goto out;
1025
1026 err_del_rule:
1027         mlx5_del_flow_rules(flow->rule);
1028
1029 err_free:
1030         kfree(flow);
1031 out:
1032         kvfree(spec);
1033         return err;
1034 }
1035
1036 int mlx5e_delete_flower(struct mlx5e_priv *priv,
1037                         struct tc_cls_flower_offload *f)
1038 {
1039         struct mlx5e_tc_flow *flow;
1040         struct mlx5e_tc_table *tc = &priv->fs.tc;
1041
1042         flow = rhashtable_lookup_fast(&tc->ht, &f->cookie,
1043                                       tc->ht_params);
1044         if (!flow)
1045                 return -EINVAL;
1046
1047         rhashtable_remove_fast(&tc->ht, &flow->node, tc->ht_params);
1048
1049         mlx5e_tc_del_flow(priv, flow);
1050
1051
1052         kfree(flow);
1053
1054         return 0;
1055 }
1056
1057 int mlx5e_stats_flower(struct mlx5e_priv *priv,
1058                        struct tc_cls_flower_offload *f)
1059 {
1060         struct mlx5e_tc_table *tc = &priv->fs.tc;
1061         struct mlx5e_tc_flow *flow;
1062         struct tc_action *a;
1063         struct mlx5_fc *counter;
1064         LIST_HEAD(actions);
1065         u64 bytes;
1066         u64 packets;
1067         u64 lastuse;
1068
1069         flow = rhashtable_lookup_fast(&tc->ht, &f->cookie,
1070                                       tc->ht_params);
1071         if (!flow)
1072                 return -EINVAL;
1073
1074         counter = mlx5_flow_rule_counter(flow->rule);
1075         if (!counter)
1076                 return 0;
1077
1078         mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse);
1079
1080         tcf_exts_to_list(f->exts, &actions);
1081         list_for_each_entry(a, &actions, list)
1082                 tcf_action_stats_update(a, bytes, packets, lastuse);
1083
1084         return 0;
1085 }
1086
1087 static const struct rhashtable_params mlx5e_tc_flow_ht_params = {
1088         .head_offset = offsetof(struct mlx5e_tc_flow, node),
1089         .key_offset = offsetof(struct mlx5e_tc_flow, cookie),
1090         .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie),
1091         .automatic_shrinking = true,
1092 };
1093
1094 int mlx5e_tc_init(struct mlx5e_priv *priv)
1095 {
1096         struct mlx5e_tc_table *tc = &priv->fs.tc;
1097
1098         tc->ht_params = mlx5e_tc_flow_ht_params;
1099         return rhashtable_init(&tc->ht, &tc->ht_params);
1100 }
1101
1102 static void _mlx5e_tc_del_flow(void *ptr, void *arg)
1103 {
1104         struct mlx5e_tc_flow *flow = ptr;
1105         struct mlx5e_priv *priv = arg;
1106
1107         mlx5e_tc_del_flow(priv, flow);
1108         kfree(flow);
1109 }
1110
1111 void mlx5e_tc_cleanup(struct mlx5e_priv *priv)
1112 {
1113         struct mlx5e_tc_table *tc = &priv->fs.tc;
1114
1115         rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, priv);
1116
1117         if (!IS_ERR_OR_NULL(tc->t)) {
1118                 mlx5_destroy_flow_table(tc->t);
1119                 tc->t = NULL;
1120         }
1121 }