1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 343f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 35e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 36e3a2b7edSAmir Vadai #include <net/tc_act/tc_gact.h> 3712185a9fSAmir Vadai #include <net/tc_act/tc_skbedit.h> 38e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 39e8f887acSAmir Vadai #include <linux/mlx5/device.h> 40e8f887acSAmir Vadai #include <linux/rhashtable.h> 4103a9d11eSOr Gerlitz #include <net/switchdev.h> 4203a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 43776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 44bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 45d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 46a54e20b4SHadar Hen Zion #include <net/vxlan.h> 47f6dfb4c3SHadar Hen Zion #include <net/arp.h> 48e8f887acSAmir Vadai #include "en.h" 491d447a39SSaeed Mahameed #include "en_rep.h" 50232c0013SHadar Hen Zion #include "en_tc.h" 5103a9d11eSOr Gerlitz #include "eswitch.h" 52bbd00f7eSHadar Hen Zion #include "vxlan.h" 53e8f887acSAmir Vadai 543bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 553bc4b7bfSOr Gerlitz u32 action; 563bc4b7bfSOr Gerlitz u32 flow_tag; 572f4fe4caSOr Gerlitz u32 mod_hdr_id; 583bc4b7bfSOr Gerlitz }; 593bc4b7bfSOr Gerlitz 6065ba8fb7SOr Gerlitz enum { 6165ba8fb7SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = BIT(0), 623bc4b7bfSOr Gerlitz MLX5E_TC_FLOW_NIC = BIT(1), 630b67a38fSHadar Hen Zion MLX5E_TC_FLOW_OFFLOADED = BIT(2), 6465ba8fb7SOr Gerlitz }; 6565ba8fb7SOr Gerlitz 66e8f887acSAmir Vadai struct mlx5e_tc_flow { 67e8f887acSAmir Vadai struct rhash_head node; 68e8f887acSAmir Vadai u64 cookie; 6965ba8fb7SOr Gerlitz u8 flags; 7074491de9SMark Bloch struct mlx5_flow_handle *rule; 71a54e20b4SHadar Hen Zion struct list_head encap; /* flows sharing the same encap */ 723bc4b7bfSOr Gerlitz union { 73ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 743bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 753bc4b7bfSOr Gerlitz }; 76e8f887acSAmir Vadai }; 77e8f887acSAmir Vadai 7817091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 7917091853SOr Gerlitz struct mlx5_flow_spec spec; 80d79b6df6SOr Gerlitz int num_mod_hdr_actions; 81d79b6df6SOr Gerlitz void *mod_hdr_actions; 8217091853SOr Gerlitz }; 8317091853SOr Gerlitz 84a54e20b4SHadar Hen Zion enum { 85a54e20b4SHadar Hen Zion MLX5_HEADER_TYPE_VXLAN = 0x0, 86a54e20b4SHadar Hen Zion MLX5_HEADER_TYPE_NVGRE = 0x1, 87a54e20b4SHadar Hen Zion }; 88a54e20b4SHadar Hen Zion 89acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_ENTRIES 1024 90acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 91e8f887acSAmir Vadai 9274491de9SMark Bloch static struct mlx5_flow_handle * 9374491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 9417091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 95aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 96e8f887acSAmir Vadai { 97aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 98aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 99aa0cbbaeSOr Gerlitz struct mlx5_flow_destination dest = {}; 10066958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 1013bc4b7bfSOr Gerlitz .action = attr->action, 1023bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 10366958ed9SHadar Hen Zion .encap_id = 0, 10466958ed9SHadar Hen Zion }; 105aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 10674491de9SMark Bloch struct mlx5_flow_handle *rule; 107e8f887acSAmir Vadai bool table_created = false; 1082f4fe4caSOr Gerlitz int err; 109e8f887acSAmir Vadai 1103bc4b7bfSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 111aad7e08dSAmir Vadai dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 112aad7e08dSAmir Vadai dest.ft = priv->fs.vlan.ft.t; 1133bc4b7bfSOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 114aad7e08dSAmir Vadai counter = mlx5_fc_create(dev, true); 115aad7e08dSAmir Vadai if (IS_ERR(counter)) 116aad7e08dSAmir Vadai return ERR_CAST(counter); 117aad7e08dSAmir Vadai 118aad7e08dSAmir Vadai dest.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 119aad7e08dSAmir Vadai dest.counter = counter; 120aad7e08dSAmir Vadai } 121aad7e08dSAmir Vadai 1222f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1232f4fe4caSOr Gerlitz err = mlx5_modify_header_alloc(dev, MLX5_FLOW_NAMESPACE_KERNEL, 1242f4fe4caSOr Gerlitz parse_attr->num_mod_hdr_actions, 1252f4fe4caSOr Gerlitz parse_attr->mod_hdr_actions, 1262f4fe4caSOr Gerlitz &attr->mod_hdr_id); 127d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 1282f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1292f4fe4caSOr Gerlitz if (err) { 1302f4fe4caSOr Gerlitz rule = ERR_PTR(err); 1312f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 1322f4fe4caSOr Gerlitz } 1332f4fe4caSOr Gerlitz } 1342f4fe4caSOr Gerlitz 135acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 136acff797cSMaor Gottlieb priv->fs.tc.t = 137acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 138acff797cSMaor Gottlieb MLX5E_TC_PRIO, 139acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_ENTRIES, 140acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 141c9f1b073SHadar Hen Zion 0, 0); 142acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 143e8f887acSAmir Vadai netdev_err(priv->netdev, 144e8f887acSAmir Vadai "Failed to create tc offload table\n"); 145aad7e08dSAmir Vadai rule = ERR_CAST(priv->fs.tc.t); 146aad7e08dSAmir Vadai goto err_create_ft; 147e8f887acSAmir Vadai } 148e8f887acSAmir Vadai 149e8f887acSAmir Vadai table_created = true; 150e8f887acSAmir Vadai } 151e8f887acSAmir Vadai 15217091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 15317091853SOr Gerlitz rule = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 15417091853SOr Gerlitz &flow_act, &dest, 1); 155e8f887acSAmir Vadai 156aad7e08dSAmir Vadai if (IS_ERR(rule)) 157aad7e08dSAmir Vadai goto err_add_rule; 158aad7e08dSAmir Vadai 159aad7e08dSAmir Vadai return rule; 160aad7e08dSAmir Vadai 161aad7e08dSAmir Vadai err_add_rule: 162aad7e08dSAmir Vadai if (table_created) { 163acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 164acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 165e8f887acSAmir Vadai } 166aad7e08dSAmir Vadai err_create_ft: 1672f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 1682f4fe4caSOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, 1692f4fe4caSOr Gerlitz attr->mod_hdr_id); 1702f4fe4caSOr Gerlitz err_create_mod_hdr_id: 171aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 172e8f887acSAmir Vadai 173e8f887acSAmir Vadai return rule; 174e8f887acSAmir Vadai } 175e8f887acSAmir Vadai 176d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 177d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 178d85cdccbSOr Gerlitz { 179d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 180d85cdccbSOr Gerlitz 181d85cdccbSOr Gerlitz counter = mlx5_flow_rule_counter(flow->rule); 182d85cdccbSOr Gerlitz mlx5_del_flow_rules(flow->rule); 183d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 184d85cdccbSOr Gerlitz 185d85cdccbSOr Gerlitz if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) { 186d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 187d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 188d85cdccbSOr Gerlitz } 1892f4fe4caSOr Gerlitz 1902f4fe4caSOr Gerlitz if (flow->nic_attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 1912f4fe4caSOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, 1922f4fe4caSOr Gerlitz flow->nic_attr->mod_hdr_id); 193d85cdccbSOr Gerlitz } 194d85cdccbSOr Gerlitz 195aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 196aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow); 197aa0cbbaeSOr Gerlitz 19874491de9SMark Bloch static struct mlx5_flow_handle * 19974491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 20017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 201aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 202adb4c123SOr Gerlitz { 203adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 204aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 205aa0cbbaeSOr Gerlitz struct mlx5_flow_handle *rule; 2068b32580dSOr Gerlitz int err; 2078b32580dSOr Gerlitz 2088b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 209aa0cbbaeSOr Gerlitz if (err) { 210aa0cbbaeSOr Gerlitz rule = ERR_PTR(err); 211aa0cbbaeSOr Gerlitz goto err_add_vlan; 212adb4c123SOr Gerlitz } 213adb4c123SOr Gerlitz 214d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 215d7e75a32SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, MLX5_FLOW_NAMESPACE_FDB, 216d7e75a32SOr Gerlitz parse_attr->num_mod_hdr_actions, 217d7e75a32SOr Gerlitz parse_attr->mod_hdr_actions, 218d7e75a32SOr Gerlitz &attr->mod_hdr_id); 219d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 220d7e75a32SOr Gerlitz if (err) { 221d7e75a32SOr Gerlitz rule = ERR_PTR(err); 222d7e75a32SOr Gerlitz goto err_mod_hdr; 223d7e75a32SOr Gerlitz } 224d7e75a32SOr Gerlitz } 225d7e75a32SOr Gerlitz 226aa0cbbaeSOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, &parse_attr->spec, attr); 227aa0cbbaeSOr Gerlitz if (IS_ERR(rule)) 228aa0cbbaeSOr Gerlitz goto err_add_rule; 229aa0cbbaeSOr Gerlitz 230aa0cbbaeSOr Gerlitz return rule; 231aa0cbbaeSOr Gerlitz 232aa0cbbaeSOr Gerlitz err_add_rule: 233d7e75a32SOr Gerlitz if (flow->esw_attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 234d7e75a32SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, 235d7e75a32SOr Gerlitz attr->mod_hdr_id); 236d7e75a32SOr Gerlitz err_mod_hdr: 237aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 238aa0cbbaeSOr Gerlitz err_add_vlan: 239aa0cbbaeSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) 240aa0cbbaeSOr Gerlitz mlx5e_detach_encap(priv, flow); 241aa0cbbaeSOr Gerlitz return rule; 242aa0cbbaeSOr Gerlitz } 243d85cdccbSOr Gerlitz 244d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 245d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 246d85cdccbSOr Gerlitz { 247d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 248d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 249d85cdccbSOr Gerlitz 250232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 251232c0013SHadar Hen Zion flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 252ecf5bb79SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->esw_attr); 253232c0013SHadar Hen Zion } 254d85cdccbSOr Gerlitz 255ecf5bb79SOr Gerlitz mlx5_eswitch_del_vlan_action(esw, flow->esw_attr); 256d85cdccbSOr Gerlitz 257232c0013SHadar Hen Zion if (flow->esw_attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) { 258d85cdccbSOr Gerlitz mlx5e_detach_encap(priv, flow); 259232c0013SHadar Hen Zion kvfree(flow->esw_attr->parse_attr); 260232c0013SHadar Hen Zion } 261d7e75a32SOr Gerlitz 262d7e75a32SOr Gerlitz if (flow->esw_attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 263d7e75a32SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, 264d7e75a32SOr Gerlitz attr->mod_hdr_id); 265d85cdccbSOr Gerlitz } 266d85cdccbSOr Gerlitz 267232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 268232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 269232c0013SHadar Hen Zion { 270232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 271232c0013SHadar Hen Zion int err; 272232c0013SHadar Hen Zion 273232c0013SHadar Hen Zion err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 274232c0013SHadar Hen Zion e->encap_size, e->encap_header, 275232c0013SHadar Hen Zion &e->encap_id); 276232c0013SHadar Hen Zion if (err) { 277232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 278232c0013SHadar Hen Zion err); 279232c0013SHadar Hen Zion return; 280232c0013SHadar Hen Zion } 281232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 282f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 283232c0013SHadar Hen Zion 284232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 285232c0013SHadar Hen Zion flow->esw_attr->encap_id = e->encap_id; 286232c0013SHadar Hen Zion flow->rule = mlx5e_tc_add_fdb_flow(priv, 287232c0013SHadar Hen Zion flow->esw_attr->parse_attr, 288232c0013SHadar Hen Zion flow); 289232c0013SHadar Hen Zion if (IS_ERR(flow->rule)) { 290232c0013SHadar Hen Zion err = PTR_ERR(flow->rule); 291232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 292232c0013SHadar Hen Zion err); 293232c0013SHadar Hen Zion continue; 294232c0013SHadar Hen Zion } 295232c0013SHadar Hen Zion flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 296232c0013SHadar Hen Zion } 297232c0013SHadar Hen Zion } 298232c0013SHadar Hen Zion 299232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 300232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 301232c0013SHadar Hen Zion { 302232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 303232c0013SHadar Hen Zion struct mlx5_fc *counter; 304232c0013SHadar Hen Zion 305232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 306232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 307232c0013SHadar Hen Zion flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 308232c0013SHadar Hen Zion counter = mlx5_flow_rule_counter(flow->rule); 309232c0013SHadar Hen Zion mlx5_del_flow_rules(flow->rule); 310232c0013SHadar Hen Zion mlx5_fc_destroy(priv->mdev, counter); 311232c0013SHadar Hen Zion } 312232c0013SHadar Hen Zion } 313232c0013SHadar Hen Zion 314232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 315232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 316232c0013SHadar Hen Zion mlx5_encap_dealloc(priv->mdev, e->encap_id); 317232c0013SHadar Hen Zion } 318232c0013SHadar Hen Zion } 319232c0013SHadar Hen Zion 320f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 321f6dfb4c3SHadar Hen Zion { 322f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 323f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 324f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 325f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 326f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 327f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 328f6dfb4c3SHadar Hen Zion bool neigh_used = false; 329f6dfb4c3SHadar Hen Zion struct neighbour *n; 330f6dfb4c3SHadar Hen Zion 331f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 332f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 333f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 334f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 335f6dfb4c3SHadar Hen Zion tbl = ipv6_stub->nd_tbl; 336f6dfb4c3SHadar Hen Zion #endif 337f6dfb4c3SHadar Hen Zion else 338f6dfb4c3SHadar Hen Zion return; 339f6dfb4c3SHadar Hen Zion 340f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 341f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 342f6dfb4c3SHadar Hen Zion continue; 343f6dfb4c3SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 344f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 345f6dfb4c3SHadar Hen Zion counter = mlx5_flow_rule_counter(flow->rule); 346f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 347f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 348f6dfb4c3SHadar Hen Zion neigh_used = true; 349f6dfb4c3SHadar Hen Zion break; 350f6dfb4c3SHadar Hen Zion } 351f6dfb4c3SHadar Hen Zion } 352f6dfb4c3SHadar Hen Zion } 353f6dfb4c3SHadar Hen Zion } 354f6dfb4c3SHadar Hen Zion 355f6dfb4c3SHadar Hen Zion if (neigh_used) { 356f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 357f6dfb4c3SHadar Hen Zion 358f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 359f6dfb4c3SHadar Hen Zion * dst ip pair 360f6dfb4c3SHadar Hen Zion */ 361f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 362f6dfb4c3SHadar Hen Zion if (!n) { 363f6dfb4c3SHadar Hen Zion WARN(1, "The neighbour already freed\n"); 364f6dfb4c3SHadar Hen Zion return; 365f6dfb4c3SHadar Hen Zion } 366f6dfb4c3SHadar Hen Zion 367f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 368f6dfb4c3SHadar Hen Zion neigh_release(n); 369f6dfb4c3SHadar Hen Zion } 370f6dfb4c3SHadar Hen Zion } 371f6dfb4c3SHadar Hen Zion 372d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 373d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 374d85cdccbSOr Gerlitz { 3755067b602SRoi Dayan struct list_head *next = flow->encap.next; 3765067b602SRoi Dayan 3775067b602SRoi Dayan list_del(&flow->encap); 3785067b602SRoi Dayan if (list_empty(next)) { 379c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3805067b602SRoi Dayan 381c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 382232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 383232c0013SHadar Hen Zion 384232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 3855067b602SRoi Dayan mlx5_encap_dealloc(priv->mdev, e->encap_id); 386232c0013SHadar Hen Zion 3875067b602SRoi Dayan hlist_del_rcu(&e->encap_hlist); 388232c0013SHadar Hen Zion kfree(e->encap_header); 3895067b602SRoi Dayan kfree(e); 3905067b602SRoi Dayan } 3915067b602SRoi Dayan } 3925067b602SRoi Dayan 393e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 394961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 395e8f887acSAmir Vadai { 396d85cdccbSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 397d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 398d85cdccbSOr Gerlitz else 399d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 400e8f887acSAmir Vadai } 401e8f887acSAmir Vadai 402bbd00f7eSHadar Hen Zion static void parse_vxlan_attr(struct mlx5_flow_spec *spec, 403bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 404bbd00f7eSHadar Hen Zion { 405bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 406bbd00f7eSHadar Hen Zion outer_headers); 407bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 408bbd00f7eSHadar Hen Zion outer_headers); 409bbd00f7eSHadar Hen Zion void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 410bbd00f7eSHadar Hen Zion misc_parameters); 411bbd00f7eSHadar Hen Zion void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 412bbd00f7eSHadar Hen Zion misc_parameters); 413bbd00f7eSHadar Hen Zion 414bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_protocol); 415bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP); 416bbd00f7eSHadar Hen Zion 417bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID)) { 418bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *key = 419bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 420bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 421bbd00f7eSHadar Hen Zion f->key); 422bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *mask = 423bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 424bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 425bbd00f7eSHadar Hen Zion f->mask); 426bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_c, vxlan_vni, 427bbd00f7eSHadar Hen Zion be32_to_cpu(mask->keyid)); 428bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_v, vxlan_vni, 429bbd00f7eSHadar Hen Zion be32_to_cpu(key->keyid)); 430bbd00f7eSHadar Hen Zion } 431bbd00f7eSHadar Hen Zion } 432bbd00f7eSHadar Hen Zion 433bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 434bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 435bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 436bbd00f7eSHadar Hen Zion { 437bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 438bbd00f7eSHadar Hen Zion outer_headers); 439bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 440bbd00f7eSHadar Hen Zion outer_headers); 441bbd00f7eSHadar Hen Zion 4422e72eb43SOr Gerlitz struct flow_dissector_key_control *enc_control = 4432e72eb43SOr Gerlitz skb_flow_dissector_target(f->dissector, 4442e72eb43SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_CONTROL, 4452e72eb43SOr Gerlitz f->key); 4462e72eb43SOr Gerlitz 447bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) { 448bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *key = 449bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 450bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 451bbd00f7eSHadar Hen Zion f->key); 452bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *mask = 453bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 454bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 455bbd00f7eSHadar Hen Zion f->mask); 4561ad9a00aSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4571ad9a00aSPaul Blakey struct net_device *up_dev = mlx5_eswitch_get_uplink_netdev(esw); 4581ad9a00aSPaul Blakey struct mlx5e_priv *up_priv = netdev_priv(up_dev); 459bbd00f7eSHadar Hen Zion 460bbd00f7eSHadar Hen Zion /* Full udp dst port must be given */ 461bbd00f7eSHadar Hen Zion if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) 4622fcd82e9SOr Gerlitz goto vxlan_match_offload_err; 463bbd00f7eSHadar Hen Zion 4641ad9a00aSPaul Blakey if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->dst)) && 465bbd00f7eSHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) 466bbd00f7eSHadar Hen Zion parse_vxlan_attr(spec, f); 4672fcd82e9SOr Gerlitz else { 4682fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 4692fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->dst)); 470bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 4712fcd82e9SOr Gerlitz } 472bbd00f7eSHadar Hen Zion 473bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 474bbd00f7eSHadar Hen Zion udp_dport, ntohs(mask->dst)); 475bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 476bbd00f7eSHadar Hen Zion udp_dport, ntohs(key->dst)); 477bbd00f7eSHadar Hen Zion 478cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, 479cd377663SOr Gerlitz udp_sport, ntohs(mask->src)); 480cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, 481cd377663SOr Gerlitz udp_sport, ntohs(key->src)); 482bbd00f7eSHadar Hen Zion } else { /* udp dst port must be given */ 4832fcd82e9SOr Gerlitz vxlan_match_offload_err: 4842fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 4852fcd82e9SOr Gerlitz "IP tunnel decap offload supported only for vxlan, must set UDP dport\n"); 486bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 487bbd00f7eSHadar Hen Zion } 488bbd00f7eSHadar Hen Zion 4892e72eb43SOr Gerlitz if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 490bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *key = 491bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 492bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 493bbd00f7eSHadar Hen Zion f->key); 494bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *mask = 495bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 496bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 497bbd00f7eSHadar Hen Zion f->mask); 498bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 499bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 500bbd00f7eSHadar Hen Zion ntohl(mask->src)); 501bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 502bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 503bbd00f7eSHadar Hen Zion ntohl(key->src)); 504bbd00f7eSHadar Hen Zion 505bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 506bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 507bbd00f7eSHadar Hen Zion ntohl(mask->dst)); 508bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 509bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 510bbd00f7eSHadar Hen Zion ntohl(key->dst)); 511bbd00f7eSHadar Hen Zion 512bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 513bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 51419f44401SOr Gerlitz } else if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 51519f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *key = 51619f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 51719f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 51819f44401SOr Gerlitz f->key); 51919f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *mask = 52019f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 52119f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 52219f44401SOr Gerlitz f->mask); 52319f44401SOr Gerlitz 52419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 52519f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 52619f44401SOr Gerlitz &mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 52719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 52819f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 52919f44401SOr Gerlitz &key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 53019f44401SOr Gerlitz 53119f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 53219f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 53319f44401SOr Gerlitz &mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 53419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 53519f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 53619f44401SOr Gerlitz &key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 53719f44401SOr Gerlitz 53819f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 53919f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 5402e72eb43SOr Gerlitz } 541bbd00f7eSHadar Hen Zion 542bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 543bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 544bbd00f7eSHadar Hen Zion */ 545bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 546bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 547bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 548bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 549bbd00f7eSHadar Hen Zion 550bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 551bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 552bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 553bbd00f7eSHadar Hen Zion 554bbd00f7eSHadar Hen Zion return 0; 555bbd00f7eSHadar Hen Zion } 556bbd00f7eSHadar Hen Zion 557de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 558de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 559de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 560de0af0bfSRoi Dayan u8 *min_inline) 561e3a2b7edSAmir Vadai { 562c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 563c5bb1730SMaor Gottlieb outer_headers); 564c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 565c5bb1730SMaor Gottlieb outer_headers); 566e3a2b7edSAmir Vadai u16 addr_type = 0; 567e3a2b7edSAmir Vadai u8 ip_proto = 0; 568e3a2b7edSAmir Vadai 569de0af0bfSRoi Dayan *min_inline = MLX5_INLINE_MODE_L2; 570de0af0bfSRoi Dayan 571e3a2b7edSAmir Vadai if (f->dissector->used_keys & 572e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 573e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 574e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 575095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 576e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 577e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 578bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 579bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 580bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 581bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 582bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 583bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL))) { 584e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 585e3a2b7edSAmir Vadai f->dissector->used_keys); 586e3a2b7edSAmir Vadai return -EOPNOTSUPP; 587e3a2b7edSAmir Vadai } 588e3a2b7edSAmir Vadai 589bbd00f7eSHadar Hen Zion if ((dissector_uses_key(f->dissector, 590bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 591bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID) || 592bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 593bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 594bbd00f7eSHadar Hen Zion struct flow_dissector_key_control *key = 595bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 596bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_CONTROL, 597bbd00f7eSHadar Hen Zion f->key); 598bbd00f7eSHadar Hen Zion switch (key->addr_type) { 599bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 60019f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 601bbd00f7eSHadar Hen Zion if (parse_tunnel_attr(priv, spec, f)) 602bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 603bbd00f7eSHadar Hen Zion break; 604bbd00f7eSHadar Hen Zion default: 605bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 606bbd00f7eSHadar Hen Zion } 607bbd00f7eSHadar Hen Zion 608bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 609bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 610bbd00f7eSHadar Hen Zion */ 611bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 612bbd00f7eSHadar Hen Zion inner_headers); 613bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 614bbd00f7eSHadar Hen Zion inner_headers); 615bbd00f7eSHadar Hen Zion } 616bbd00f7eSHadar Hen Zion 617e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) { 618e3a2b7edSAmir Vadai struct flow_dissector_key_control *key = 619e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 6201dbd0d37SHadar Hen Zion FLOW_DISSECTOR_KEY_CONTROL, 621e3a2b7edSAmir Vadai f->key); 6223f7d0eb4SOr Gerlitz 6233f7d0eb4SOr Gerlitz struct flow_dissector_key_control *mask = 6243f7d0eb4SOr Gerlitz skb_flow_dissector_target(f->dissector, 6253f7d0eb4SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 6263f7d0eb4SOr Gerlitz f->mask); 627e3a2b7edSAmir Vadai addr_type = key->addr_type; 6283f7d0eb4SOr Gerlitz 6293f7d0eb4SOr Gerlitz if (mask->flags & FLOW_DIS_IS_FRAGMENT) { 6303f7d0eb4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 6313f7d0eb4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 6323f7d0eb4SOr Gerlitz key->flags & FLOW_DIS_IS_FRAGMENT); 6330827444dSOr Gerlitz 6340827444dSOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 6350827444dSOr Gerlitz if (key->flags & FLOW_DIS_IS_FRAGMENT) 6360827444dSOr Gerlitz *min_inline = MLX5_INLINE_MODE_IP; 6373f7d0eb4SOr Gerlitz } 638e3a2b7edSAmir Vadai } 639e3a2b7edSAmir Vadai 640e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 641e3a2b7edSAmir Vadai struct flow_dissector_key_basic *key = 642e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 643e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_BASIC, 644e3a2b7edSAmir Vadai f->key); 645e3a2b7edSAmir Vadai struct flow_dissector_key_basic *mask = 646e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 647e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_BASIC, 648e3a2b7edSAmir Vadai f->mask); 649e3a2b7edSAmir Vadai ip_proto = key->ip_proto; 650e3a2b7edSAmir Vadai 651e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 652e3a2b7edSAmir Vadai ntohs(mask->n_proto)); 653e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 654e3a2b7edSAmir Vadai ntohs(key->n_proto)); 655e3a2b7edSAmir Vadai 656e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 657e3a2b7edSAmir Vadai mask->ip_proto); 658e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 659e3a2b7edSAmir Vadai key->ip_proto); 660de0af0bfSRoi Dayan 661de0af0bfSRoi Dayan if (mask->ip_proto) 662de0af0bfSRoi Dayan *min_inline = MLX5_INLINE_MODE_IP; 663e3a2b7edSAmir Vadai } 664e3a2b7edSAmir Vadai 665e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 666e3a2b7edSAmir Vadai struct flow_dissector_key_eth_addrs *key = 667e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 668e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_ETH_ADDRS, 669e3a2b7edSAmir Vadai f->key); 670e3a2b7edSAmir Vadai struct flow_dissector_key_eth_addrs *mask = 671e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 672e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_ETH_ADDRS, 673e3a2b7edSAmir Vadai f->mask); 674e3a2b7edSAmir Vadai 675e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 676e3a2b7edSAmir Vadai dmac_47_16), 677e3a2b7edSAmir Vadai mask->dst); 678e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 679e3a2b7edSAmir Vadai dmac_47_16), 680e3a2b7edSAmir Vadai key->dst); 681e3a2b7edSAmir Vadai 682e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 683e3a2b7edSAmir Vadai smac_47_16), 684e3a2b7edSAmir Vadai mask->src); 685e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 686e3a2b7edSAmir Vadai smac_47_16), 687e3a2b7edSAmir Vadai key->src); 688e3a2b7edSAmir Vadai } 689e3a2b7edSAmir Vadai 690095b6cfdSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) { 691095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *key = 692095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 693095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 694095b6cfdSOr Gerlitz f->key); 695095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *mask = 696095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 697095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 698095b6cfdSOr Gerlitz f->mask); 699358d79a4SOr Gerlitz if (mask->vlan_id || mask->vlan_priority) { 70010543365SMohamad Haj Yahia MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 70110543365SMohamad Haj Yahia MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1); 702095b6cfdSOr Gerlitz 703095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id); 704095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id); 705358d79a4SOr Gerlitz 706358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority); 707358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority); 708095b6cfdSOr Gerlitz } 709095b6cfdSOr Gerlitz } 710095b6cfdSOr Gerlitz 711e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 712e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *key = 713e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 714e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 715e3a2b7edSAmir Vadai f->key); 716e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *mask = 717e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 718e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 719e3a2b7edSAmir Vadai f->mask); 720e3a2b7edSAmir Vadai 721e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 722e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 723e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 724e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 725e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 726e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 727e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 728e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 729e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 730e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 731e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 732e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 733de0af0bfSRoi Dayan 734de0af0bfSRoi Dayan if (mask->src || mask->dst) 735de0af0bfSRoi Dayan *min_inline = MLX5_INLINE_MODE_IP; 736e3a2b7edSAmir Vadai } 737e3a2b7edSAmir Vadai 738e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 739e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *key = 740e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 741e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 742e3a2b7edSAmir Vadai f->key); 743e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *mask = 744e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 745e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 746e3a2b7edSAmir Vadai f->mask); 747e3a2b7edSAmir Vadai 748e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 749e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 750e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 751e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 752e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 753e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 754e3a2b7edSAmir Vadai 755e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 756e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 757e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 758e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 759e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 760e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 761de0af0bfSRoi Dayan 762de0af0bfSRoi Dayan if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY || 763de0af0bfSRoi Dayan ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY) 764de0af0bfSRoi Dayan *min_inline = MLX5_INLINE_MODE_IP; 765e3a2b7edSAmir Vadai } 766e3a2b7edSAmir Vadai 767e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) { 768e3a2b7edSAmir Vadai struct flow_dissector_key_ports *key = 769e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 770e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 771e3a2b7edSAmir Vadai f->key); 772e3a2b7edSAmir Vadai struct flow_dissector_key_ports *mask = 773e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 774e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 775e3a2b7edSAmir Vadai f->mask); 776e3a2b7edSAmir Vadai switch (ip_proto) { 777e3a2b7edSAmir Vadai case IPPROTO_TCP: 778e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 779e3a2b7edSAmir Vadai tcp_sport, ntohs(mask->src)); 780e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 781e3a2b7edSAmir Vadai tcp_sport, ntohs(key->src)); 782e3a2b7edSAmir Vadai 783e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 784e3a2b7edSAmir Vadai tcp_dport, ntohs(mask->dst)); 785e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 786e3a2b7edSAmir Vadai tcp_dport, ntohs(key->dst)); 787e3a2b7edSAmir Vadai break; 788e3a2b7edSAmir Vadai 789e3a2b7edSAmir Vadai case IPPROTO_UDP: 790e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 791e3a2b7edSAmir Vadai udp_sport, ntohs(mask->src)); 792e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 793e3a2b7edSAmir Vadai udp_sport, ntohs(key->src)); 794e3a2b7edSAmir Vadai 795e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 796e3a2b7edSAmir Vadai udp_dport, ntohs(mask->dst)); 797e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 798e3a2b7edSAmir Vadai udp_dport, ntohs(key->dst)); 799e3a2b7edSAmir Vadai break; 800e3a2b7edSAmir Vadai default: 801e3a2b7edSAmir Vadai netdev_err(priv->netdev, 802e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 803e3a2b7edSAmir Vadai return -EINVAL; 804e3a2b7edSAmir Vadai } 805de0af0bfSRoi Dayan 806de0af0bfSRoi Dayan if (mask->src || mask->dst) 807de0af0bfSRoi Dayan *min_inline = MLX5_INLINE_MODE_TCP_UDP; 808e3a2b7edSAmir Vadai } 809e3a2b7edSAmir Vadai 810e3a2b7edSAmir Vadai return 0; 811e3a2b7edSAmir Vadai } 812e3a2b7edSAmir Vadai 813de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 81465ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 815de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 816de0af0bfSRoi Dayan struct tc_cls_flower_offload *f) 817de0af0bfSRoi Dayan { 818de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 819de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 8201d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 8211d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 822de0af0bfSRoi Dayan u8 min_inline; 823de0af0bfSRoi Dayan int err; 824de0af0bfSRoi Dayan 825de0af0bfSRoi Dayan err = __parse_cls_flower(priv, spec, f, &min_inline); 826de0af0bfSRoi Dayan 8271d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 8281d447a39SSaeed Mahameed rep = rpriv->rep; 8291d447a39SSaeed Mahameed if (rep->vport != FDB_UPLINK_VPORT && 8301d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 8311d447a39SSaeed Mahameed esw->offloads.inline_mode < min_inline)) { 832de0af0bfSRoi Dayan netdev_warn(priv->netdev, 833de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 834de0af0bfSRoi Dayan min_inline, esw->offloads.inline_mode); 835de0af0bfSRoi Dayan return -EOPNOTSUPP; 836de0af0bfSRoi Dayan } 837de0af0bfSRoi Dayan } 838de0af0bfSRoi Dayan 839de0af0bfSRoi Dayan return err; 840de0af0bfSRoi Dayan } 841de0af0bfSRoi Dayan 842d79b6df6SOr Gerlitz struct pedit_headers { 843d79b6df6SOr Gerlitz struct ethhdr eth; 844d79b6df6SOr Gerlitz struct iphdr ip4; 845d79b6df6SOr Gerlitz struct ipv6hdr ip6; 846d79b6df6SOr Gerlitz struct tcphdr tcp; 847d79b6df6SOr Gerlitz struct udphdr udp; 848d79b6df6SOr Gerlitz }; 849d79b6df6SOr Gerlitz 850d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 851d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 852d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 853d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 854d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 855d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 856d79b6df6SOr Gerlitz }; 857d79b6df6SOr Gerlitz 858d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 859d79b6df6SOr Gerlitz 860d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 861d79b6df6SOr Gerlitz struct pedit_headers *masks, 862d79b6df6SOr Gerlitz struct pedit_headers *vals) 863d79b6df6SOr Gerlitz { 864d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 865d79b6df6SOr Gerlitz 866d79b6df6SOr Gerlitz if (hdr_type >= __PEDIT_HDR_TYPE_MAX) 867d79b6df6SOr Gerlitz goto out_err; 868d79b6df6SOr Gerlitz 869d79b6df6SOr Gerlitz curr_pmask = (u32 *)(pedit_header(masks, hdr_type) + offset); 870d79b6df6SOr Gerlitz curr_pval = (u32 *)(pedit_header(vals, hdr_type) + offset); 871d79b6df6SOr Gerlitz 872d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 873d79b6df6SOr Gerlitz goto out_err; 874d79b6df6SOr Gerlitz 875d79b6df6SOr Gerlitz *curr_pmask |= mask; 876d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 877d79b6df6SOr Gerlitz 878d79b6df6SOr Gerlitz return 0; 879d79b6df6SOr Gerlitz 880d79b6df6SOr Gerlitz out_err: 881d79b6df6SOr Gerlitz return -EOPNOTSUPP; 882d79b6df6SOr Gerlitz } 883d79b6df6SOr Gerlitz 884d79b6df6SOr Gerlitz struct mlx5_fields { 885d79b6df6SOr Gerlitz u8 field; 886d79b6df6SOr Gerlitz u8 size; 887d79b6df6SOr Gerlitz u32 offset; 888d79b6df6SOr Gerlitz }; 889d79b6df6SOr Gerlitz 890d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 891d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_DMAC_47_16, 4, offsetof(struct pedit_headers, eth.h_dest[0])}, 892d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_DMAC_15_0, 2, offsetof(struct pedit_headers, eth.h_dest[4])}, 893d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_SMAC_47_16, 4, offsetof(struct pedit_headers, eth.h_source[0])}, 894d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_SMAC_15_0, 2, offsetof(struct pedit_headers, eth.h_source[4])}, 895d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ETHERTYPE, 2, offsetof(struct pedit_headers, eth.h_proto)}, 896d79b6df6SOr Gerlitz 897d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_IP_DSCP, 1, offsetof(struct pedit_headers, ip4.tos)}, 898d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_IP_TTL, 1, offsetof(struct pedit_headers, ip4.ttl)}, 899d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_SIPV4, 4, offsetof(struct pedit_headers, ip4.saddr)}, 900d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_DIPV4, 4, offsetof(struct pedit_headers, ip4.daddr)}, 901d79b6df6SOr Gerlitz 902d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_SIPV6_127_96, 4, offsetof(struct pedit_headers, ip6.saddr.s6_addr32[0])}, 903d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_SIPV6_95_64, 4, offsetof(struct pedit_headers, ip6.saddr.s6_addr32[1])}, 904d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_SIPV6_63_32, 4, offsetof(struct pedit_headers, ip6.saddr.s6_addr32[2])}, 905d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_SIPV6_31_0, 4, offsetof(struct pedit_headers, ip6.saddr.s6_addr32[3])}, 906d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_DIPV6_127_96, 4, offsetof(struct pedit_headers, ip6.daddr.s6_addr32[0])}, 907d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_DIPV6_95_64, 4, offsetof(struct pedit_headers, ip6.daddr.s6_addr32[1])}, 908d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_DIPV6_63_32, 4, offsetof(struct pedit_headers, ip6.daddr.s6_addr32[2])}, 909d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_DIPV6_31_0, 4, offsetof(struct pedit_headers, ip6.daddr.s6_addr32[3])}, 910d79b6df6SOr Gerlitz 911d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_TCP_SPORT, 2, offsetof(struct pedit_headers, tcp.source)}, 912d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_TCP_DPORT, 2, offsetof(struct pedit_headers, tcp.dest)}, 913d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_TCP_FLAGS, 1, offsetof(struct pedit_headers, tcp.ack_seq) + 5}, 914d79b6df6SOr Gerlitz 915d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_UDP_SPORT, 2, offsetof(struct pedit_headers, udp.source)}, 916d79b6df6SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_UDP_DPORT, 2, offsetof(struct pedit_headers, udp.dest)}, 917d79b6df6SOr Gerlitz }; 918d79b6df6SOr Gerlitz 919d79b6df6SOr Gerlitz /* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at 920d79b6df6SOr Gerlitz * max from the SW pedit action. On success, it says how many HW actions were 921d79b6df6SOr Gerlitz * actually parsed. 922d79b6df6SOr Gerlitz */ 923d79b6df6SOr Gerlitz static int offload_pedit_fields(struct pedit_headers *masks, 924d79b6df6SOr Gerlitz struct pedit_headers *vals, 925d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 926d79b6df6SOr Gerlitz { 927d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 928d79b6df6SOr Gerlitz int i, action_size, nactions, max_actions, first, last; 929d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 930d79b6df6SOr Gerlitz u32 s_mask, a_mask, val; 931d79b6df6SOr Gerlitz struct mlx5_fields *f; 932d79b6df6SOr Gerlitz u8 cmd, field_bsize; 933d79b6df6SOr Gerlitz unsigned long mask; 934d79b6df6SOr Gerlitz void *action; 935d79b6df6SOr Gerlitz 936d79b6df6SOr Gerlitz set_masks = &masks[TCA_PEDIT_KEY_EX_CMD_SET]; 937d79b6df6SOr Gerlitz add_masks = &masks[TCA_PEDIT_KEY_EX_CMD_ADD]; 938d79b6df6SOr Gerlitz set_vals = &vals[TCA_PEDIT_KEY_EX_CMD_SET]; 939d79b6df6SOr Gerlitz add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD]; 940d79b6df6SOr Gerlitz 941d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 942d79b6df6SOr Gerlitz action = parse_attr->mod_hdr_actions; 943d79b6df6SOr Gerlitz max_actions = parse_attr->num_mod_hdr_actions; 944d79b6df6SOr Gerlitz nactions = 0; 945d79b6df6SOr Gerlitz 946d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 947d79b6df6SOr Gerlitz f = &fields[i]; 948d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 949d79b6df6SOr Gerlitz s_mask = a_mask = mask = val = 0; 950d79b6df6SOr Gerlitz 951d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 952d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 953d79b6df6SOr Gerlitz 954d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 955d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 956d79b6df6SOr Gerlitz 957d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 958d79b6df6SOr Gerlitz continue; 959d79b6df6SOr Gerlitz 960d79b6df6SOr Gerlitz if (s_mask && a_mask) { 961d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 962d79b6df6SOr Gerlitz return -EOPNOTSUPP; 963d79b6df6SOr Gerlitz } 964d79b6df6SOr Gerlitz 965d79b6df6SOr Gerlitz if (nactions == max_actions) { 966d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 967d79b6df6SOr Gerlitz return -EOPNOTSUPP; 968d79b6df6SOr Gerlitz } 969d79b6df6SOr Gerlitz 970d79b6df6SOr Gerlitz if (s_mask) { 971d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 972d79b6df6SOr Gerlitz mask = s_mask; 973d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 974d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 975d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 976d79b6df6SOr Gerlitz } else { 977d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 978d79b6df6SOr Gerlitz mask = a_mask; 979d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 980d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 981d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 982d79b6df6SOr Gerlitz } 983d79b6df6SOr Gerlitz 984d79b6df6SOr Gerlitz memcpy(&val, vals_p, f->size); 985d79b6df6SOr Gerlitz 986d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 987d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 988d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 989d79b6df6SOr Gerlitz if (first > 0 || last != (field_bsize - 1)) { 990d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: partial rewrite (mask %lx) is currently not offloaded\n", 991d79b6df6SOr Gerlitz mask); 992d79b6df6SOr Gerlitz return -EOPNOTSUPP; 993d79b6df6SOr Gerlitz } 994d79b6df6SOr Gerlitz 995d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 996d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 997d79b6df6SOr Gerlitz 998d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 999d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, offset, 0); 1000d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 1001d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, length, field_bsize); 1002d79b6df6SOr Gerlitz } 1003d79b6df6SOr Gerlitz 1004d79b6df6SOr Gerlitz if (field_bsize == 32) 1005d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(val)); 1006d79b6df6SOr Gerlitz else if (field_bsize == 16) 1007d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(val)); 1008d79b6df6SOr Gerlitz else if (field_bsize == 8) 1009d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, data, val); 1010d79b6df6SOr Gerlitz 1011d79b6df6SOr Gerlitz action += action_size; 1012d79b6df6SOr Gerlitz nactions++; 1013d79b6df6SOr Gerlitz } 1014d79b6df6SOr Gerlitz 1015d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 1016d79b6df6SOr Gerlitz return 0; 1017d79b6df6SOr Gerlitz } 1018d79b6df6SOr Gerlitz 1019d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 1020d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1021d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1022d79b6df6SOr Gerlitz { 1023d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 1024d79b6df6SOr Gerlitz 1025d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1026d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1027d79b6df6SOr Gerlitz 1028d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 1029d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 1030d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 1031d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 1032d79b6df6SOr Gerlitz 1033d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 1034d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 1035d79b6df6SOr Gerlitz 1036d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 1037d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 1038d79b6df6SOr Gerlitz return -ENOMEM; 1039d79b6df6SOr Gerlitz 1040d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = max_actions; 1041d79b6df6SOr Gerlitz return 0; 1042d79b6df6SOr Gerlitz } 1043d79b6df6SOr Gerlitz 1044d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 1045d79b6df6SOr Gerlitz 1046d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 1047d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1048d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1049d79b6df6SOr Gerlitz { 1050d79b6df6SOr Gerlitz struct pedit_headers masks[__PEDIT_CMD_MAX], vals[__PEDIT_CMD_MAX], *cmd_masks; 1051d79b6df6SOr Gerlitz int nkeys, i, err = -EOPNOTSUPP; 1052d79b6df6SOr Gerlitz u32 mask, val, offset; 1053d79b6df6SOr Gerlitz u8 cmd, htype; 1054d79b6df6SOr Gerlitz 1055d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1056d79b6df6SOr Gerlitz 1057d79b6df6SOr Gerlitz memset(masks, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1058d79b6df6SOr Gerlitz memset(vals, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1059d79b6df6SOr Gerlitz 1060d79b6df6SOr Gerlitz for (i = 0; i < nkeys; i++) { 1061d79b6df6SOr Gerlitz htype = tcf_pedit_htype(a, i); 1062d79b6df6SOr Gerlitz cmd = tcf_pedit_cmd(a, i); 1063d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 1064d79b6df6SOr Gerlitz 1065d79b6df6SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK) { 1066d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: legacy pedit isn't offloaded\n"); 1067d79b6df6SOr Gerlitz goto out_err; 1068d79b6df6SOr Gerlitz } 1069d79b6df6SOr Gerlitz 1070d79b6df6SOr Gerlitz if (cmd != TCA_PEDIT_KEY_EX_CMD_SET && cmd != TCA_PEDIT_KEY_EX_CMD_ADD) { 1071d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: pedit cmd %d isn't offloaded\n", cmd); 1072d79b6df6SOr Gerlitz goto out_err; 1073d79b6df6SOr Gerlitz } 1074d79b6df6SOr Gerlitz 1075d79b6df6SOr Gerlitz mask = tcf_pedit_mask(a, i); 1076d79b6df6SOr Gerlitz val = tcf_pedit_val(a, i); 1077d79b6df6SOr Gerlitz offset = tcf_pedit_offset(a, i); 1078d79b6df6SOr Gerlitz 1079d79b6df6SOr Gerlitz err = set_pedit_val(htype, ~mask, val, offset, &masks[cmd], &vals[cmd]); 1080d79b6df6SOr Gerlitz if (err) 1081d79b6df6SOr Gerlitz goto out_err; 1082d79b6df6SOr Gerlitz } 1083d79b6df6SOr Gerlitz 1084d79b6df6SOr Gerlitz err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); 1085d79b6df6SOr Gerlitz if (err) 1086d79b6df6SOr Gerlitz goto out_err; 1087d79b6df6SOr Gerlitz 1088d79b6df6SOr Gerlitz err = offload_pedit_fields(masks, vals, parse_attr); 1089d79b6df6SOr Gerlitz if (err < 0) 1090d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 1091d79b6df6SOr Gerlitz 1092d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 1093d79b6df6SOr Gerlitz cmd_masks = &masks[cmd]; 1094d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 1095d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: attempt to offload an unsupported field (cmd %d)\n", 1096d79b6df6SOr Gerlitz cmd); 1097d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 1098d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 1099d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 1100d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 1101d79b6df6SOr Gerlitz } 1102d79b6df6SOr Gerlitz } 1103d79b6df6SOr Gerlitz 1104d79b6df6SOr Gerlitz return 0; 1105d79b6df6SOr Gerlitz 1106d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 1107d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1108d79b6df6SOr Gerlitz out_err: 1109d79b6df6SOr Gerlitz return err; 1110d79b6df6SOr Gerlitz } 1111d79b6df6SOr Gerlitz 11125c40348cSOr Gerlitz static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 1113aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1114aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 1115e3a2b7edSAmir Vadai { 1116aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1117e3a2b7edSAmir Vadai const struct tc_action *a; 111822dc13c8SWANG Cong LIST_HEAD(actions); 11192f4fe4caSOr Gerlitz int err; 1120e3a2b7edSAmir Vadai 1121e3a2b7edSAmir Vadai if (tc_no_actions(exts)) 1122e3a2b7edSAmir Vadai return -EINVAL; 1123e3a2b7edSAmir Vadai 11243bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 11253bc4b7bfSOr Gerlitz attr->action = 0; 1126e3a2b7edSAmir Vadai 112722dc13c8SWANG Cong tcf_exts_to_list(exts, &actions); 112822dc13c8SWANG Cong list_for_each_entry(a, &actions, list) { 1129e3a2b7edSAmir Vadai /* Only support a single action per rule */ 11303bc4b7bfSOr Gerlitz if (attr->action) 1131e3a2b7edSAmir Vadai return -EINVAL; 1132e3a2b7edSAmir Vadai 1133e3a2b7edSAmir Vadai if (is_tcf_gact_shot(a)) { 11343bc4b7bfSOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 1135aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 1136aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 11373bc4b7bfSOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 1138e3a2b7edSAmir Vadai continue; 1139e3a2b7edSAmir Vadai } 1140e3a2b7edSAmir Vadai 11412f4fe4caSOr Gerlitz if (is_tcf_pedit(a)) { 11422f4fe4caSOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_KERNEL, 11432f4fe4caSOr Gerlitz parse_attr); 11442f4fe4caSOr Gerlitz if (err) 11452f4fe4caSOr Gerlitz return err; 11462f4fe4caSOr Gerlitz 11472f4fe4caSOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 11482f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 11492f4fe4caSOr Gerlitz continue; 11502f4fe4caSOr Gerlitz } 11512f4fe4caSOr Gerlitz 1152e3a2b7edSAmir Vadai if (is_tcf_skbedit_mark(a)) { 1153e3a2b7edSAmir Vadai u32 mark = tcf_skbedit_mark(a); 1154e3a2b7edSAmir Vadai 1155e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 1156e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Bad flow mark - only 16 bit is supported: 0x%x\n", 1157e3a2b7edSAmir Vadai mark); 1158e3a2b7edSAmir Vadai return -EINVAL; 1159e3a2b7edSAmir Vadai } 1160e3a2b7edSAmir Vadai 11613bc4b7bfSOr Gerlitz attr->flow_tag = mark; 11623bc4b7bfSOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1163e3a2b7edSAmir Vadai continue; 1164e3a2b7edSAmir Vadai } 1165e3a2b7edSAmir Vadai 1166e3a2b7edSAmir Vadai return -EINVAL; 1167e3a2b7edSAmir Vadai } 1168e3a2b7edSAmir Vadai 1169e3a2b7edSAmir Vadai return 0; 1170e3a2b7edSAmir Vadai } 1171e3a2b7edSAmir Vadai 117276f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 117376f7444dSOr Gerlitz struct ip_tunnel_key *b) 1174a54e20b4SHadar Hen Zion { 1175a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 1176a54e20b4SHadar Hen Zion } 1177a54e20b4SHadar Hen Zion 117876f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 1179a54e20b4SHadar Hen Zion { 118076f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 1181a54e20b4SHadar Hen Zion } 1182a54e20b4SHadar Hen Zion 1183a54e20b4SHadar Hen Zion static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, 1184a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 1185a54e20b4SHadar Hen Zion struct net_device **out_dev, 1186a54e20b4SHadar Hen Zion struct flowi4 *fl4, 1187a54e20b4SHadar Hen Zion struct neighbour **out_n, 1188a54e20b4SHadar Hen Zion int *out_ttl) 1189a54e20b4SHadar Hen Zion { 11903e621b19SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1191a54e20b4SHadar Hen Zion struct rtable *rt; 1192a54e20b4SHadar Hen Zion struct neighbour *n = NULL; 1193a54e20b4SHadar Hen Zion 1194a54e20b4SHadar Hen Zion #if IS_ENABLED(CONFIG_INET) 1195abeffce9SArnd Bergmann int ret; 1196abeffce9SArnd Bergmann 1197a54e20b4SHadar Hen Zion rt = ip_route_output_key(dev_net(mirred_dev), fl4); 1198abeffce9SArnd Bergmann ret = PTR_ERR_OR_ZERO(rt); 1199abeffce9SArnd Bergmann if (ret) 1200abeffce9SArnd Bergmann return ret; 1201a54e20b4SHadar Hen Zion #else 1202a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 1203a54e20b4SHadar Hen Zion #endif 12043e621b19SHadar Hen Zion /* if the egress device isn't on the same HW e-switch, we use the uplink */ 12053e621b19SHadar Hen Zion if (!switchdev_port_same_parent_id(priv->netdev, rt->dst.dev)) 12063e621b19SHadar Hen Zion *out_dev = mlx5_eswitch_get_uplink_netdev(esw); 12073e621b19SHadar Hen Zion else 12083e621b19SHadar Hen Zion *out_dev = rt->dst.dev; 1209a54e20b4SHadar Hen Zion 121075c33da8SOr Gerlitz *out_ttl = ip4_dst_hoplimit(&rt->dst); 1211a54e20b4SHadar Hen Zion n = dst_neigh_lookup(&rt->dst, &fl4->daddr); 1212a54e20b4SHadar Hen Zion ip_rt_put(rt); 1213a54e20b4SHadar Hen Zion if (!n) 1214a54e20b4SHadar Hen Zion return -ENOMEM; 1215a54e20b4SHadar Hen Zion 1216a54e20b4SHadar Hen Zion *out_n = n; 1217a54e20b4SHadar Hen Zion return 0; 1218a54e20b4SHadar Hen Zion } 1219a54e20b4SHadar Hen Zion 1220ce99f6b9SOr Gerlitz static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, 1221ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 1222ce99f6b9SOr Gerlitz struct net_device **out_dev, 1223ce99f6b9SOr Gerlitz struct flowi6 *fl6, 1224ce99f6b9SOr Gerlitz struct neighbour **out_n, 1225ce99f6b9SOr Gerlitz int *out_ttl) 1226ce99f6b9SOr Gerlitz { 1227ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 1228ce99f6b9SOr Gerlitz struct dst_entry *dst; 1229ce99f6b9SOr Gerlitz 1230ce99f6b9SOr Gerlitz #if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6) 1231ce99f6b9SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1232ce99f6b9SOr Gerlitz int ret; 1233ce99f6b9SOr Gerlitz 1234ce99f6b9SOr Gerlitz dst = ip6_route_output(dev_net(mirred_dev), NULL, fl6); 1235ce99f6b9SOr Gerlitz ret = dst->error; 1236321fa4ffSArnd Bergmann if (ret) { 1237ce99f6b9SOr Gerlitz dst_release(dst); 1238ce99f6b9SOr Gerlitz return ret; 1239ce99f6b9SOr Gerlitz } 1240ce99f6b9SOr Gerlitz 1241ce99f6b9SOr Gerlitz *out_ttl = ip6_dst_hoplimit(dst); 1242ce99f6b9SOr Gerlitz 1243ce99f6b9SOr Gerlitz /* if the egress device isn't on the same HW e-switch, we use the uplink */ 1244ce99f6b9SOr Gerlitz if (!switchdev_port_same_parent_id(priv->netdev, dst->dev)) 1245ce99f6b9SOr Gerlitz *out_dev = mlx5_eswitch_get_uplink_netdev(esw); 1246ce99f6b9SOr Gerlitz else 1247ce99f6b9SOr Gerlitz *out_dev = dst->dev; 1248ce99f6b9SOr Gerlitz #else 1249ce99f6b9SOr Gerlitz return -EOPNOTSUPP; 1250ce99f6b9SOr Gerlitz #endif 1251ce99f6b9SOr Gerlitz 1252ce99f6b9SOr Gerlitz n = dst_neigh_lookup(dst, &fl6->daddr); 1253ce99f6b9SOr Gerlitz dst_release(dst); 1254ce99f6b9SOr Gerlitz if (!n) 1255ce99f6b9SOr Gerlitz return -ENOMEM; 1256ce99f6b9SOr Gerlitz 1257ce99f6b9SOr Gerlitz *out_n = n; 1258ce99f6b9SOr Gerlitz return 0; 1259ce99f6b9SOr Gerlitz } 1260ce99f6b9SOr Gerlitz 126132f3671fSOr Gerlitz static void gen_vxlan_header_ipv4(struct net_device *out_dev, 126232f3671fSOr Gerlitz char buf[], int encap_size, 1263a54e20b4SHadar Hen Zion unsigned char h_dest[ETH_ALEN], 1264a54e20b4SHadar Hen Zion int ttl, 1265a54e20b4SHadar Hen Zion __be32 daddr, 1266a54e20b4SHadar Hen Zion __be32 saddr, 1267a54e20b4SHadar Hen Zion __be16 udp_dst_port, 1268a54e20b4SHadar Hen Zion __be32 vx_vni) 1269a54e20b4SHadar Hen Zion { 1270a54e20b4SHadar Hen Zion struct ethhdr *eth = (struct ethhdr *)buf; 1271a54e20b4SHadar Hen Zion struct iphdr *ip = (struct iphdr *)((char *)eth + sizeof(struct ethhdr)); 1272a54e20b4SHadar Hen Zion struct udphdr *udp = (struct udphdr *)((char *)ip + sizeof(struct iphdr)); 1273a54e20b4SHadar Hen Zion struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 1274a54e20b4SHadar Hen Zion 1275a54e20b4SHadar Hen Zion memset(buf, 0, encap_size); 1276a54e20b4SHadar Hen Zion 1277a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_dest, h_dest); 1278a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_source, out_dev->dev_addr); 1279a54e20b4SHadar Hen Zion eth->h_proto = htons(ETH_P_IP); 1280a54e20b4SHadar Hen Zion 1281a54e20b4SHadar Hen Zion ip->daddr = daddr; 1282a54e20b4SHadar Hen Zion ip->saddr = saddr; 1283a54e20b4SHadar Hen Zion 1284a54e20b4SHadar Hen Zion ip->ttl = ttl; 1285a54e20b4SHadar Hen Zion ip->protocol = IPPROTO_UDP; 1286a54e20b4SHadar Hen Zion ip->version = 0x4; 1287a54e20b4SHadar Hen Zion ip->ihl = 0x5; 1288a54e20b4SHadar Hen Zion 1289a54e20b4SHadar Hen Zion udp->dest = udp_dst_port; 1290a54e20b4SHadar Hen Zion vxh->vx_flags = VXLAN_HF_VNI; 1291a54e20b4SHadar Hen Zion vxh->vx_vni = vxlan_vni_field(vx_vni); 1292a54e20b4SHadar Hen Zion } 1293a54e20b4SHadar Hen Zion 1294225aabafSOr Gerlitz static void gen_vxlan_header_ipv6(struct net_device *out_dev, 1295225aabafSOr Gerlitz char buf[], int encap_size, 1296ce99f6b9SOr Gerlitz unsigned char h_dest[ETH_ALEN], 1297ce99f6b9SOr Gerlitz int ttl, 1298ce99f6b9SOr Gerlitz struct in6_addr *daddr, 1299ce99f6b9SOr Gerlitz struct in6_addr *saddr, 1300ce99f6b9SOr Gerlitz __be16 udp_dst_port, 1301ce99f6b9SOr Gerlitz __be32 vx_vni) 1302ce99f6b9SOr Gerlitz { 1303ce99f6b9SOr Gerlitz struct ethhdr *eth = (struct ethhdr *)buf; 1304ce99f6b9SOr Gerlitz struct ipv6hdr *ip6h = (struct ipv6hdr *)((char *)eth + sizeof(struct ethhdr)); 1305ce99f6b9SOr Gerlitz struct udphdr *udp = (struct udphdr *)((char *)ip6h + sizeof(struct ipv6hdr)); 1306ce99f6b9SOr Gerlitz struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 1307ce99f6b9SOr Gerlitz 1308ce99f6b9SOr Gerlitz memset(buf, 0, encap_size); 1309ce99f6b9SOr Gerlitz 1310ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_dest, h_dest); 1311ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_source, out_dev->dev_addr); 1312ce99f6b9SOr Gerlitz eth->h_proto = htons(ETH_P_IPV6); 1313ce99f6b9SOr Gerlitz 1314ce99f6b9SOr Gerlitz ip6_flow_hdr(ip6h, 0, 0); 1315ce99f6b9SOr Gerlitz /* the HW fills up ipv6 payload len */ 1316ce99f6b9SOr Gerlitz ip6h->nexthdr = IPPROTO_UDP; 1317ce99f6b9SOr Gerlitz ip6h->hop_limit = ttl; 1318ce99f6b9SOr Gerlitz ip6h->daddr = *daddr; 1319ce99f6b9SOr Gerlitz ip6h->saddr = *saddr; 1320ce99f6b9SOr Gerlitz 1321ce99f6b9SOr Gerlitz udp->dest = udp_dst_port; 1322ce99f6b9SOr Gerlitz vxh->vx_flags = VXLAN_HF_VNI; 1323ce99f6b9SOr Gerlitz vxh->vx_vni = vxlan_vni_field(vx_vni); 1324ce99f6b9SOr Gerlitz } 1325ce99f6b9SOr Gerlitz 1326a54e20b4SHadar Hen Zion static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, 1327a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 13281a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 1329a54e20b4SHadar Hen Zion { 1330a54e20b4SHadar Hen Zion int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 133132f3671fSOr Gerlitz int ipv4_encap_size = ETH_HLEN + sizeof(struct iphdr) + VXLAN_HLEN; 133276f7444dSOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 13331a8552bdSHadar Hen Zion struct net_device *out_dev; 1334a42485ebSOr Gerlitz struct neighbour *n = NULL; 1335a54e20b4SHadar Hen Zion struct flowi4 fl4 = {}; 1336a54e20b4SHadar Hen Zion char *encap_header; 133732f3671fSOr Gerlitz int ttl, err; 1338033354d5SHadar Hen Zion u8 nud_state; 1339a54e20b4SHadar Hen Zion 134032f3671fSOr Gerlitz if (max_encap_size < ipv4_encap_size) { 134132f3671fSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 134232f3671fSOr Gerlitz ipv4_encap_size, max_encap_size); 134332f3671fSOr Gerlitz return -EOPNOTSUPP; 134432f3671fSOr Gerlitz } 134532f3671fSOr Gerlitz 134632f3671fSOr Gerlitz encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL); 1347a54e20b4SHadar Hen Zion if (!encap_header) 1348a54e20b4SHadar Hen Zion return -ENOMEM; 1349a54e20b4SHadar Hen Zion 1350a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 1351a54e20b4SHadar Hen Zion case MLX5_HEADER_TYPE_VXLAN: 1352a54e20b4SHadar Hen Zion fl4.flowi4_proto = IPPROTO_UDP; 135376f7444dSOr Gerlitz fl4.fl4_dport = tun_key->tp_dst; 1354a54e20b4SHadar Hen Zion break; 1355a54e20b4SHadar Hen Zion default: 1356a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 1357a54e20b4SHadar Hen Zion goto out; 1358a54e20b4SHadar Hen Zion } 13599a941117SOr Gerlitz fl4.flowi4_tos = tun_key->tos; 136076f7444dSOr Gerlitz fl4.daddr = tun_key->u.ipv4.dst; 13619a941117SOr Gerlitz fl4.saddr = tun_key->u.ipv4.src; 1362a54e20b4SHadar Hen Zion 13631a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv4(priv, mirred_dev, &out_dev, 13649a941117SOr Gerlitz &fl4, &n, &ttl); 1365a54e20b4SHadar Hen Zion if (err) 1366a54e20b4SHadar Hen Zion goto out; 1367a54e20b4SHadar Hen Zion 1368232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 1369232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 1370232c0013SHadar Hen Zion */ 1371232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 1372f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 1373232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 1374232c0013SHadar Hen Zion e->out_dev = out_dev; 1375232c0013SHadar Hen Zion 1376232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 1377232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 1378232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 1379232c0013SHadar Hen Zion * in the hash. 1380232c0013SHadar Hen Zion */ 1381232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 1382232c0013SHadar Hen Zion if (err) 1383232c0013SHadar Hen Zion goto out; 1384232c0013SHadar Hen Zion 1385033354d5SHadar Hen Zion read_lock_bh(&n->lock); 1386033354d5SHadar Hen Zion nud_state = n->nud_state; 1387033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 1388033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 1389033354d5SHadar Hen Zion 1390a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 1391a54e20b4SHadar Hen Zion case MLX5_HEADER_TYPE_VXLAN: 13921a8552bdSHadar Hen Zion gen_vxlan_header_ipv4(out_dev, encap_header, 139332f3671fSOr Gerlitz ipv4_encap_size, e->h_dest, ttl, 13949a941117SOr Gerlitz fl4.daddr, 13959a941117SOr Gerlitz fl4.saddr, tun_key->tp_dst, 139676f7444dSOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 1397a54e20b4SHadar Hen Zion break; 1398a54e20b4SHadar Hen Zion default: 1399a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 1400232c0013SHadar Hen Zion goto destroy_neigh_entry; 1401232c0013SHadar Hen Zion } 1402232c0013SHadar Hen Zion e->encap_size = ipv4_encap_size; 1403232c0013SHadar Hen Zion e->encap_header = encap_header; 1404232c0013SHadar Hen Zion 1405232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 1406232c0013SHadar Hen Zion neigh_event_send(n, NULL); 140727902f08SWei Yongjun err = -EAGAIN; 140827902f08SWei Yongjun goto out; 1409a54e20b4SHadar Hen Zion } 1410a54e20b4SHadar Hen Zion 1411a54e20b4SHadar Hen Zion err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 141232f3671fSOr Gerlitz ipv4_encap_size, encap_header, &e->encap_id); 1413232c0013SHadar Hen Zion if (err) 1414232c0013SHadar Hen Zion goto destroy_neigh_entry; 1415232c0013SHadar Hen Zion 1416232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1417f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 1418a42485ebSOr Gerlitz neigh_release(n); 1419232c0013SHadar Hen Zion return err; 1420232c0013SHadar Hen Zion 1421232c0013SHadar Hen Zion destroy_neigh_entry: 1422232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1423232c0013SHadar Hen Zion out: 1424a54e20b4SHadar Hen Zion kfree(encap_header); 1425232c0013SHadar Hen Zion if (n) 1426232c0013SHadar Hen Zion neigh_release(n); 1427a54e20b4SHadar Hen Zion return err; 1428a54e20b4SHadar Hen Zion } 1429a54e20b4SHadar Hen Zion 1430ce99f6b9SOr Gerlitz static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv, 1431ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 14321a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 1433ce99f6b9SOr Gerlitz { 1434ce99f6b9SOr Gerlitz int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 1435225aabafSOr Gerlitz int ipv6_encap_size = ETH_HLEN + sizeof(struct ipv6hdr) + VXLAN_HLEN; 1436ce99f6b9SOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 14371a8552bdSHadar Hen Zion struct net_device *out_dev; 1438ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 1439ce99f6b9SOr Gerlitz struct flowi6 fl6 = {}; 1440ce99f6b9SOr Gerlitz char *encap_header; 1441225aabafSOr Gerlitz int err, ttl = 0; 1442033354d5SHadar Hen Zion u8 nud_state; 1443ce99f6b9SOr Gerlitz 1444225aabafSOr Gerlitz if (max_encap_size < ipv6_encap_size) { 1445225aabafSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 1446225aabafSOr Gerlitz ipv6_encap_size, max_encap_size); 1447225aabafSOr Gerlitz return -EOPNOTSUPP; 1448225aabafSOr Gerlitz } 1449225aabafSOr Gerlitz 1450225aabafSOr Gerlitz encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL); 1451ce99f6b9SOr Gerlitz if (!encap_header) 1452ce99f6b9SOr Gerlitz return -ENOMEM; 1453ce99f6b9SOr Gerlitz 1454ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 1455ce99f6b9SOr Gerlitz case MLX5_HEADER_TYPE_VXLAN: 1456ce99f6b9SOr Gerlitz fl6.flowi6_proto = IPPROTO_UDP; 1457ce99f6b9SOr Gerlitz fl6.fl6_dport = tun_key->tp_dst; 1458ce99f6b9SOr Gerlitz break; 1459ce99f6b9SOr Gerlitz default: 1460ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 1461ce99f6b9SOr Gerlitz goto out; 1462ce99f6b9SOr Gerlitz } 1463ce99f6b9SOr Gerlitz 1464ce99f6b9SOr Gerlitz fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label); 1465ce99f6b9SOr Gerlitz fl6.daddr = tun_key->u.ipv6.dst; 1466ce99f6b9SOr Gerlitz fl6.saddr = tun_key->u.ipv6.src; 1467ce99f6b9SOr Gerlitz 14681a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv6(priv, mirred_dev, &out_dev, 1469ce99f6b9SOr Gerlitz &fl6, &n, &ttl); 1470ce99f6b9SOr Gerlitz if (err) 1471ce99f6b9SOr Gerlitz goto out; 1472ce99f6b9SOr Gerlitz 1473232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 1474232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 1475232c0013SHadar Hen Zion */ 1476232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 1477f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 1478232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 1479232c0013SHadar Hen Zion e->out_dev = out_dev; 1480232c0013SHadar Hen Zion 1481232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 1482232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 1483232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 1484232c0013SHadar Hen Zion * in the hash. 1485232c0013SHadar Hen Zion */ 1486232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 1487232c0013SHadar Hen Zion if (err) 1488232c0013SHadar Hen Zion goto out; 1489232c0013SHadar Hen Zion 1490033354d5SHadar Hen Zion read_lock_bh(&n->lock); 1491033354d5SHadar Hen Zion nud_state = n->nud_state; 1492033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 1493033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 1494033354d5SHadar Hen Zion 1495ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 1496ce99f6b9SOr Gerlitz case MLX5_HEADER_TYPE_VXLAN: 14971a8552bdSHadar Hen Zion gen_vxlan_header_ipv6(out_dev, encap_header, 1498225aabafSOr Gerlitz ipv6_encap_size, e->h_dest, ttl, 1499ce99f6b9SOr Gerlitz &fl6.daddr, 1500ce99f6b9SOr Gerlitz &fl6.saddr, tun_key->tp_dst, 1501ce99f6b9SOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 1502ce99f6b9SOr Gerlitz break; 1503ce99f6b9SOr Gerlitz default: 1504ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 1505232c0013SHadar Hen Zion goto destroy_neigh_entry; 1506232c0013SHadar Hen Zion } 1507232c0013SHadar Hen Zion 1508232c0013SHadar Hen Zion e->encap_size = ipv6_encap_size; 1509232c0013SHadar Hen Zion e->encap_header = encap_header; 1510232c0013SHadar Hen Zion 1511232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 1512232c0013SHadar Hen Zion neigh_event_send(n, NULL); 151327902f08SWei Yongjun err = -EAGAIN; 151427902f08SWei Yongjun goto out; 1515ce99f6b9SOr Gerlitz } 1516ce99f6b9SOr Gerlitz 1517ce99f6b9SOr Gerlitz err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 1518225aabafSOr Gerlitz ipv6_encap_size, encap_header, &e->encap_id); 1519232c0013SHadar Hen Zion if (err) 1520232c0013SHadar Hen Zion goto destroy_neigh_entry; 1521232c0013SHadar Hen Zion 1522232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1523f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 1524ce99f6b9SOr Gerlitz neigh_release(n); 1525232c0013SHadar Hen Zion return err; 1526232c0013SHadar Hen Zion 1527232c0013SHadar Hen Zion destroy_neigh_entry: 1528232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1529232c0013SHadar Hen Zion out: 1530ce99f6b9SOr Gerlitz kfree(encap_header); 1531232c0013SHadar Hen Zion if (n) 1532232c0013SHadar Hen Zion neigh_release(n); 1533ce99f6b9SOr Gerlitz return err; 1534ce99f6b9SOr Gerlitz } 1535ce99f6b9SOr Gerlitz 1536a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1537a54e20b4SHadar Hen Zion struct ip_tunnel_info *tun_info, 1538a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 153945247bf2SOr Gerlitz struct net_device **encap_dev, 154045247bf2SOr Gerlitz struct mlx5e_tc_flow *flow) 154103a9d11eSOr Gerlitz { 1542a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 15431ad9a00aSPaul Blakey struct net_device *up_dev = mlx5_eswitch_get_uplink_netdev(esw); 1544a54e20b4SHadar Hen Zion unsigned short family = ip_tunnel_info_af(tun_info); 154545247bf2SOr Gerlitz struct mlx5e_priv *up_priv = netdev_priv(up_dev); 154645247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 1547a54e20b4SHadar Hen Zion struct ip_tunnel_key *key = &tun_info->key; 1548c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 154945247bf2SOr Gerlitz int tunnel_type, err = 0; 1550a54e20b4SHadar Hen Zion uintptr_t hash_key; 1551a54e20b4SHadar Hen Zion bool found = false; 1552a54e20b4SHadar Hen Zion 15532fcd82e9SOr Gerlitz /* udp dst port must be set */ 1554a54e20b4SHadar Hen Zion if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst))) 15552fcd82e9SOr Gerlitz goto vxlan_encap_offload_err; 1556a54e20b4SHadar Hen Zion 1557cd377663SOr Gerlitz /* setting udp src port isn't supported */ 15582fcd82e9SOr Gerlitz if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) { 15592fcd82e9SOr Gerlitz vxlan_encap_offload_err: 15602fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 15612fcd82e9SOr Gerlitz "must set udp dst port and not set udp src port\n"); 1562cd377663SOr Gerlitz return -EOPNOTSUPP; 15632fcd82e9SOr Gerlitz } 1564cd377663SOr Gerlitz 15651ad9a00aSPaul Blakey if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->tp_dst)) && 1566a54e20b4SHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { 1567a54e20b4SHadar Hen Zion tunnel_type = MLX5_HEADER_TYPE_VXLAN; 1568a54e20b4SHadar Hen Zion } else { 15692fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 15702fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->tp_dst)); 1571a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 1572a54e20b4SHadar Hen Zion } 1573a54e20b4SHadar Hen Zion 157476f7444dSOr Gerlitz hash_key = hash_encap_info(key); 1575a54e20b4SHadar Hen Zion 1576a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 1577a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 157876f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 1579a54e20b4SHadar Hen Zion found = true; 1580a54e20b4SHadar Hen Zion break; 1581a54e20b4SHadar Hen Zion } 1582a54e20b4SHadar Hen Zion } 1583a54e20b4SHadar Hen Zion 158445247bf2SOr Gerlitz if (found) 158545247bf2SOr Gerlitz goto attach_flow; 1586a54e20b4SHadar Hen Zion 1587a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 1588a54e20b4SHadar Hen Zion if (!e) 1589a54e20b4SHadar Hen Zion return -ENOMEM; 1590a54e20b4SHadar Hen Zion 159176f7444dSOr Gerlitz e->tun_info = *tun_info; 1592a54e20b4SHadar Hen Zion e->tunnel_type = tunnel_type; 1593a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 1594a54e20b4SHadar Hen Zion 1595ce99f6b9SOr Gerlitz if (family == AF_INET) 15961a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv4(priv, mirred_dev, e); 1597ce99f6b9SOr Gerlitz else if (family == AF_INET6) 15981a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv6(priv, mirred_dev, e); 1599ce99f6b9SOr Gerlitz 1600232c0013SHadar Hen Zion if (err && err != -EAGAIN) 1601a54e20b4SHadar Hen Zion goto out_err; 1602a54e20b4SHadar Hen Zion 1603a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 1604a54e20b4SHadar Hen Zion 160545247bf2SOr Gerlitz attach_flow: 160645247bf2SOr Gerlitz list_add(&flow->encap, &e->flows); 160745247bf2SOr Gerlitz *encap_dev = e->out_dev; 1608232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 160945247bf2SOr Gerlitz attr->encap_id = e->encap_id; 161045247bf2SOr Gerlitz 1611232c0013SHadar Hen Zion return err; 1612a54e20b4SHadar Hen Zion 1613a54e20b4SHadar Hen Zion out_err: 1614a54e20b4SHadar Hen Zion kfree(e); 1615a54e20b4SHadar Hen Zion return err; 1616a54e20b4SHadar Hen Zion } 1617a54e20b4SHadar Hen Zion 1618a54e20b4SHadar Hen Zion static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 1619d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1620a54e20b4SHadar Hen Zion struct mlx5e_tc_flow *flow) 1621a54e20b4SHadar Hen Zion { 1622ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 16231d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 1624a54e20b4SHadar Hen Zion struct ip_tunnel_info *info = NULL; 162503a9d11eSOr Gerlitz const struct tc_action *a; 162622dc13c8SWANG Cong LIST_HEAD(actions); 1627a54e20b4SHadar Hen Zion bool encap = false; 1628232c0013SHadar Hen Zion int err = 0; 162903a9d11eSOr Gerlitz 163003a9d11eSOr Gerlitz if (tc_no_actions(exts)) 163103a9d11eSOr Gerlitz return -EINVAL; 163203a9d11eSOr Gerlitz 1633776b12b6SOr Gerlitz memset(attr, 0, sizeof(*attr)); 16341d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 163503a9d11eSOr Gerlitz 163622dc13c8SWANG Cong tcf_exts_to_list(exts, &actions); 163722dc13c8SWANG Cong list_for_each_entry(a, &actions, list) { 163803a9d11eSOr Gerlitz if (is_tcf_gact_shot(a)) { 16398b32580dSOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 164003a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 164103a9d11eSOr Gerlitz continue; 164203a9d11eSOr Gerlitz } 164303a9d11eSOr Gerlitz 1644d7e75a32SOr Gerlitz if (is_tcf_pedit(a)) { 1645d7e75a32SOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_FDB, 1646d7e75a32SOr Gerlitz parse_attr); 1647d7e75a32SOr Gerlitz if (err) 1648d7e75a32SOr Gerlitz return err; 1649d7e75a32SOr Gerlitz 1650d7e75a32SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1651d7e75a32SOr Gerlitz continue; 1652d7e75a32SOr Gerlitz } 1653d7e75a32SOr Gerlitz 16545724b8b5SShmulik Ladkani if (is_tcf_mirred_egress_redirect(a)) { 165503a9d11eSOr Gerlitz int ifindex = tcf_mirred_ifindex(a); 165645247bf2SOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 165703a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 165803a9d11eSOr Gerlitz 165903a9d11eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), ifindex); 166003a9d11eSOr Gerlitz 1661a54e20b4SHadar Hen Zion if (switchdev_port_same_parent_id(priv->netdev, 1662a54e20b4SHadar Hen Zion out_dev)) { 1663e37a79e5SMark Bloch attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 1664e37a79e5SMark Bloch MLX5_FLOW_CONTEXT_ACTION_COUNT; 166503a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 16661d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 16671d447a39SSaeed Mahameed attr->out_rep = rpriv->rep; 1668a54e20b4SHadar Hen Zion } else if (encap) { 1669a54e20b4SHadar Hen Zion err = mlx5e_attach_encap(priv, info, 167045247bf2SOr Gerlitz out_dev, &encap_dev, flow); 1671232c0013SHadar Hen Zion if (err && err != -EAGAIN) 1672a54e20b4SHadar Hen Zion return err; 1673a54e20b4SHadar Hen Zion attr->action |= MLX5_FLOW_CONTEXT_ACTION_ENCAP | 1674a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 1675a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_COUNT; 167645247bf2SOr Gerlitz out_priv = netdev_priv(encap_dev); 16771d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 16781d447a39SSaeed Mahameed attr->out_rep = rpriv->rep; 1679232c0013SHadar Hen Zion attr->parse_attr = parse_attr; 1680a54e20b4SHadar Hen Zion } else { 1681a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 1682a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 1683a54e20b4SHadar Hen Zion return -EINVAL; 1684a54e20b4SHadar Hen Zion } 1685a54e20b4SHadar Hen Zion continue; 1686a54e20b4SHadar Hen Zion } 1687a54e20b4SHadar Hen Zion 1688a54e20b4SHadar Hen Zion if (is_tcf_tunnel_set(a)) { 1689a54e20b4SHadar Hen Zion info = tcf_tunnel_info(a); 1690a54e20b4SHadar Hen Zion if (info) 1691a54e20b4SHadar Hen Zion encap = true; 1692a54e20b4SHadar Hen Zion else 1693a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 169403a9d11eSOr Gerlitz continue; 169503a9d11eSOr Gerlitz } 169603a9d11eSOr Gerlitz 16978b32580dSOr Gerlitz if (is_tcf_vlan(a)) { 169809c91ddfSOr Gerlitz if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { 16998b32580dSOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 170009c91ddfSOr Gerlitz } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { 17018b32580dSOr Gerlitz if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q)) 17028b32580dSOr Gerlitz return -EOPNOTSUPP; 17038b32580dSOr Gerlitz 17048b32580dSOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 17058b32580dSOr Gerlitz attr->vlan = tcf_vlan_push_vid(a); 170609c91ddfSOr Gerlitz } else { /* action is TCA_VLAN_ACT_MODIFY */ 170709c91ddfSOr Gerlitz return -EOPNOTSUPP; 17088b32580dSOr Gerlitz } 17098b32580dSOr Gerlitz continue; 17108b32580dSOr Gerlitz } 17118b32580dSOr Gerlitz 1712bbd00f7eSHadar Hen Zion if (is_tcf_tunnel_release(a)) { 1713bbd00f7eSHadar Hen Zion attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 1714bbd00f7eSHadar Hen Zion continue; 1715bbd00f7eSHadar Hen Zion } 1716bbd00f7eSHadar Hen Zion 171703a9d11eSOr Gerlitz return -EINVAL; 171803a9d11eSOr Gerlitz } 1719232c0013SHadar Hen Zion return err; 172003a9d11eSOr Gerlitz } 172103a9d11eSOr Gerlitz 1722e3a2b7edSAmir Vadai int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol, 1723e3a2b7edSAmir Vadai struct tc_cls_flower_offload *f) 1724e3a2b7edSAmir Vadai { 1725adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 172617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 17273bc4b7bfSOr Gerlitz struct mlx5e_tc_table *tc = &priv->fs.tc; 17283bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 17293bc4b7bfSOr Gerlitz int attr_size, err = 0; 173065ba8fb7SOr Gerlitz u8 flow_flags = 0; 1731e3a2b7edSAmir Vadai 173265ba8fb7SOr Gerlitz if (esw && esw->mode == SRIOV_OFFLOADS) { 173365ba8fb7SOr Gerlitz flow_flags = MLX5E_TC_FLOW_ESWITCH; 173465ba8fb7SOr Gerlitz attr_size = sizeof(struct mlx5_esw_flow_attr); 17353bc4b7bfSOr Gerlitz } else { 17363bc4b7bfSOr Gerlitz flow_flags = MLX5E_TC_FLOW_NIC; 17373bc4b7bfSOr Gerlitz attr_size = sizeof(struct mlx5_nic_flow_attr); 173865ba8fb7SOr Gerlitz } 1739776b12b6SOr Gerlitz 174065ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 174117091853SOr Gerlitz parse_attr = mlx5_vzalloc(sizeof(*parse_attr)); 174217091853SOr Gerlitz if (!parse_attr || !flow) { 1743e3a2b7edSAmir Vadai err = -ENOMEM; 1744e3a2b7edSAmir Vadai goto err_free; 1745e3a2b7edSAmir Vadai } 1746e3a2b7edSAmir Vadai 1747e3a2b7edSAmir Vadai flow->cookie = f->cookie; 174865ba8fb7SOr Gerlitz flow->flags = flow_flags; 1749e3a2b7edSAmir Vadai 175017091853SOr Gerlitz err = parse_cls_flower(priv, flow, &parse_attr->spec, f); 1751e3a2b7edSAmir Vadai if (err < 0) 1752e3a2b7edSAmir Vadai goto err_free; 1753e3a2b7edSAmir Vadai 175465ba8fb7SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 1755d7e75a32SOr Gerlitz err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow); 1756adb4c123SOr Gerlitz if (err < 0) 1757232c0013SHadar Hen Zion goto err_handle_encap_flow; 1758aa0cbbaeSOr Gerlitz flow->rule = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow); 1759adb4c123SOr Gerlitz } else { 1760aa0cbbaeSOr Gerlitz err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow); 1761e3a2b7edSAmir Vadai if (err < 0) 1762e3a2b7edSAmir Vadai goto err_free; 1763aa0cbbaeSOr Gerlitz flow->rule = mlx5e_tc_add_nic_flow(priv, parse_attr, flow); 1764adb4c123SOr Gerlitz } 1765adb4c123SOr Gerlitz 17665c40348cSOr Gerlitz if (IS_ERR(flow->rule)) { 17675c40348cSOr Gerlitz err = PTR_ERR(flow->rule); 1768aa0cbbaeSOr Gerlitz goto err_free; 17695c40348cSOr Gerlitz } 17705c40348cSOr Gerlitz 17710b67a38fSHadar Hen Zion flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 1772e3a2b7edSAmir Vadai err = rhashtable_insert_fast(&tc->ht, &flow->node, 1773e3a2b7edSAmir Vadai tc->ht_params); 1774e3a2b7edSAmir Vadai if (err) 17755c40348cSOr Gerlitz goto err_del_rule; 1776e3a2b7edSAmir Vadai 1777232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_ESWITCH && 1778232c0013SHadar Hen Zion !(flow->esw_attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)) 1779232c0013SHadar Hen Zion kvfree(parse_attr); 1780232c0013SHadar Hen Zion return err; 1781e3a2b7edSAmir Vadai 17825c40348cSOr Gerlitz err_del_rule: 17835e86397aSOr Gerlitz mlx5e_tc_del_flow(priv, flow); 1784e3a2b7edSAmir Vadai 1785232c0013SHadar Hen Zion err_handle_encap_flow: 1786232c0013SHadar Hen Zion if (err == -EAGAIN) { 1787232c0013SHadar Hen Zion err = rhashtable_insert_fast(&tc->ht, &flow->node, 1788232c0013SHadar Hen Zion tc->ht_params); 1789232c0013SHadar Hen Zion if (err) 1790232c0013SHadar Hen Zion mlx5e_tc_del_flow(priv, flow); 1791232c0013SHadar Hen Zion else 1792232c0013SHadar Hen Zion return 0; 1793232c0013SHadar Hen Zion } 1794232c0013SHadar Hen Zion 1795e3a2b7edSAmir Vadai err_free: 179617091853SOr Gerlitz kvfree(parse_attr); 1797232c0013SHadar Hen Zion kfree(flow); 1798e3a2b7edSAmir Vadai return err; 1799e3a2b7edSAmir Vadai } 1800e3a2b7edSAmir Vadai 1801e3a2b7edSAmir Vadai int mlx5e_delete_flower(struct mlx5e_priv *priv, 1802e3a2b7edSAmir Vadai struct tc_cls_flower_offload *f) 1803e3a2b7edSAmir Vadai { 1804e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 1805acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 1806e3a2b7edSAmir Vadai 1807e3a2b7edSAmir Vadai flow = rhashtable_lookup_fast(&tc->ht, &f->cookie, 1808e3a2b7edSAmir Vadai tc->ht_params); 1809e3a2b7edSAmir Vadai if (!flow) 1810e3a2b7edSAmir Vadai return -EINVAL; 1811e3a2b7edSAmir Vadai 1812e3a2b7edSAmir Vadai rhashtable_remove_fast(&tc->ht, &flow->node, tc->ht_params); 1813e3a2b7edSAmir Vadai 1814961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 1815e3a2b7edSAmir Vadai 1816e3a2b7edSAmir Vadai kfree(flow); 1817e3a2b7edSAmir Vadai 1818e3a2b7edSAmir Vadai return 0; 1819e3a2b7edSAmir Vadai } 1820e3a2b7edSAmir Vadai 1821aad7e08dSAmir Vadai int mlx5e_stats_flower(struct mlx5e_priv *priv, 1822aad7e08dSAmir Vadai struct tc_cls_flower_offload *f) 1823aad7e08dSAmir Vadai { 1824aad7e08dSAmir Vadai struct mlx5e_tc_table *tc = &priv->fs.tc; 1825aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 1826aad7e08dSAmir Vadai struct tc_action *a; 1827aad7e08dSAmir Vadai struct mlx5_fc *counter; 182822dc13c8SWANG Cong LIST_HEAD(actions); 1829aad7e08dSAmir Vadai u64 bytes; 1830aad7e08dSAmir Vadai u64 packets; 1831aad7e08dSAmir Vadai u64 lastuse; 1832aad7e08dSAmir Vadai 1833aad7e08dSAmir Vadai flow = rhashtable_lookup_fast(&tc->ht, &f->cookie, 1834aad7e08dSAmir Vadai tc->ht_params); 1835aad7e08dSAmir Vadai if (!flow) 1836aad7e08dSAmir Vadai return -EINVAL; 1837aad7e08dSAmir Vadai 18380b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 18390b67a38fSHadar Hen Zion return 0; 18400b67a38fSHadar Hen Zion 1841aad7e08dSAmir Vadai counter = mlx5_flow_rule_counter(flow->rule); 1842aad7e08dSAmir Vadai if (!counter) 1843aad7e08dSAmir Vadai return 0; 1844aad7e08dSAmir Vadai 1845aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1846aad7e08dSAmir Vadai 1847fed06ee8SOr Gerlitz preempt_disable(); 1848fed06ee8SOr Gerlitz 184922dc13c8SWANG Cong tcf_exts_to_list(f->exts, &actions); 185022dc13c8SWANG Cong list_for_each_entry(a, &actions, list) 1851aad7e08dSAmir Vadai tcf_action_stats_update(a, bytes, packets, lastuse); 1852aad7e08dSAmir Vadai 1853fed06ee8SOr Gerlitz preempt_enable(); 1854fed06ee8SOr Gerlitz 1855aad7e08dSAmir Vadai return 0; 1856aad7e08dSAmir Vadai } 1857aad7e08dSAmir Vadai 1858e8f887acSAmir Vadai static const struct rhashtable_params mlx5e_tc_flow_ht_params = { 1859e8f887acSAmir Vadai .head_offset = offsetof(struct mlx5e_tc_flow, node), 1860e8f887acSAmir Vadai .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 1861e8f887acSAmir Vadai .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 1862e8f887acSAmir Vadai .automatic_shrinking = true, 1863e8f887acSAmir Vadai }; 1864e8f887acSAmir Vadai 1865e8f887acSAmir Vadai int mlx5e_tc_init(struct mlx5e_priv *priv) 1866e8f887acSAmir Vadai { 1867acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 1868e8f887acSAmir Vadai 1869e8f887acSAmir Vadai tc->ht_params = mlx5e_tc_flow_ht_params; 1870e8f887acSAmir Vadai return rhashtable_init(&tc->ht, &tc->ht_params); 1871e8f887acSAmir Vadai } 1872e8f887acSAmir Vadai 1873e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 1874e8f887acSAmir Vadai { 1875e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 1876e8f887acSAmir Vadai struct mlx5e_priv *priv = arg; 1877e8f887acSAmir Vadai 1878961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 1879e8f887acSAmir Vadai kfree(flow); 1880e8f887acSAmir Vadai } 1881e8f887acSAmir Vadai 1882e8f887acSAmir Vadai void mlx5e_tc_cleanup(struct mlx5e_priv *priv) 1883e8f887acSAmir Vadai { 1884acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 1885e8f887acSAmir Vadai 1886e8f887acSAmir Vadai rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, priv); 1887e8f887acSAmir Vadai 1888acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 1889acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 1890acff797cSMaor Gottlieb tc->t = NULL; 1891e8f887acSAmir Vadai } 1892e8f887acSAmir Vadai } 1893