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