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> 415a7e5bcbSVlad Buslov #include <linux/refcount.h> 42db76ca24SVlad Buslov #include <linux/completion.h> 4303a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 44776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 45bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 46d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4726c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 48f6dfb4c3SHadar Hen Zion #include <net/arp.h> 493616d08bSDavid Ahern #include <net/ipv6_stubs.h> 50e8f887acSAmir Vadai #include "en.h" 511d447a39SSaeed Mahameed #include "en_rep.h" 52232c0013SHadar Hen Zion #include "en_tc.h" 5303a9d11eSOr Gerlitz #include "eswitch.h" 5439ac237cSPaul Blakey #include "eswitch_offloads_chains.h" 553f6d08d1SOr Gerlitz #include "fs_core.h" 562c81bfd5SHuy Nguyen #include "en/port.h" 57101f4de9SOz Shlomo #include "en/tc_tun.h" 5804de7ddaSRoi Dayan #include "lib/devcom.h" 599272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 607a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 61e8f887acSAmir Vadai 623bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 633bc4b7bfSOr Gerlitz u32 action; 643bc4b7bfSOr Gerlitz u32 flow_tag; 652b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 665c65c564SOr Gerlitz u32 hairpin_tirn; 6738aa51c1SOr Gerlitz u8 match_level; 683f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 69b8aee822SMark Bloch struct mlx5_fc *counter; 703bc4b7bfSOr Gerlitz }; 713bc4b7bfSOr Gerlitz 72226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 7360bd4af8SOr Gerlitz 7465ba8fb7SOr Gerlitz enum { 75226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 76226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 77226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 7884179981SPaul Blakey MLX5E_TC_FLOW_FLAG_FT = MLX5E_TC_FLAG_FT_OFFLOAD_BIT, 79226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 80226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 81226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 82226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 83226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 84226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 85226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 86c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 8765ba8fb7SOr Gerlitz }; 8865ba8fb7SOr Gerlitz 89e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 90e4ad91f2SChris Mi 9179baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 9279baaec7SEli Britstein * Containing struct 9379baaec7SEli Britstein * |- Helper array 9479baaec7SEli Britstein * [0] Helper item 0 9579baaec7SEli Britstein * |- list_head item 0 9679baaec7SEli Britstein * |- index (0) 9779baaec7SEli Britstein * [1] Helper item 1 9879baaec7SEli Britstein * |- list_head item 1 9979baaec7SEli Britstein * |- index (1) 10079baaec7SEli Britstein * To access the containing struct from one of the list_head items: 10179baaec7SEli Britstein * 1. Get the helper item from the list_head item using 10279baaec7SEli Britstein * helper item = 10379baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 10479baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 10579baaec7SEli Britstein * containing struct = 10679baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 10779baaec7SEli Britstein */ 10879baaec7SEli Britstein struct encap_flow_item { 109948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 11079baaec7SEli Britstein struct list_head list; 11179baaec7SEli Britstein int index; 11279baaec7SEli Britstein }; 11379baaec7SEli Britstein 114e8f887acSAmir Vadai struct mlx5e_tc_flow { 115e8f887acSAmir Vadai struct rhash_head node; 116655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 117e8f887acSAmir Vadai u64 cookie; 118226f2ca3SVlad Buslov unsigned long flags; 119e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 12079baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 12179baaec7SEli Britstein * The number of encaps is bounded by the number of supported 12279baaec7SEli Britstein * destinations. 12379baaec7SEli Britstein */ 12479baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 12504de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 126dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh; /* attached mod header instance */ 12711c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 128e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1295c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 13004de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 131b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1322a1f1768SVlad Buslov int tmp_efi_index; 1336a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1345a7e5bcbSVlad Buslov refcount_t refcnt; 135c5d326b2SVlad Buslov struct rcu_head rcu_head; 13695435ad7SVlad Buslov struct completion init_done; 1373bc4b7bfSOr Gerlitz union { 138ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1393bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1403bc4b7bfSOr Gerlitz }; 141e8f887acSAmir Vadai }; 142e8f887acSAmir Vadai 14317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1441f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 145d11afc26SOz Shlomo struct net_device *filter_dev; 14617091853SOr Gerlitz struct mlx5_flow_spec spec; 1476ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_hdr_acts; 14898b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 14917091853SOr Gerlitz }; 15017091853SOr Gerlitz 151acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 152b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 153e8f887acSAmir Vadai 1548f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 1558f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1568f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1578f1e0b97SPaul Blakey .moffset = 0, 1588f1e0b97SPaul Blakey .mlen = 2, 1598f1e0b97SPaul Blakey }, 1608f1e0b97SPaul Blakey }; 1618f1e0b97SPaul Blakey 16277ab67b7SOr Gerlitz struct mlx5e_hairpin { 16377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 16477ab67b7SOr Gerlitz 16577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1663f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 16777ab67b7SOr Gerlitz u32 tdn; 16877ab67b7SOr Gerlitz u32 tirn; 1693f6d08d1SOr Gerlitz 1703f6d08d1SOr Gerlitz int num_channels; 1713f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1723f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1733f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 17477ab67b7SOr Gerlitz }; 17577ab67b7SOr Gerlitz 1765c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1775c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1785c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1795c65c564SOr Gerlitz 18073edca73SVlad Buslov /* protects flows list */ 18173edca73SVlad Buslov spinlock_t flows_lock; 1825c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1835c65c564SOr Gerlitz struct list_head flows; 184db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 185db76ca24SVlad Buslov * function traversed them. 186db76ca24SVlad Buslov */ 187db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 1885c65c564SOr Gerlitz 189d8822868SOr Gerlitz u16 peer_vhca_id; 190106be53bSOr Gerlitz u8 prio; 1915c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 192e4f9abbdSVlad Buslov refcount_t refcnt; 193db76ca24SVlad Buslov struct completion res_ready; 1945c65c564SOr Gerlitz }; 1955c65c564SOr Gerlitz 19611c9c548SOr Gerlitz struct mod_hdr_key { 19711c9c548SOr Gerlitz int num_actions; 19811c9c548SOr Gerlitz void *actions; 19911c9c548SOr Gerlitz }; 20011c9c548SOr Gerlitz 20111c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 20211c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 20311c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 20411c9c548SOr Gerlitz 20583a52f0dSVlad Buslov /* protects flows list */ 20683a52f0dSVlad Buslov spinlock_t flows_lock; 20711c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 20811c9c548SOr Gerlitz struct list_head flows; 20911c9c548SOr Gerlitz 21011c9c548SOr Gerlitz struct mod_hdr_key key; 21111c9c548SOr Gerlitz 2122b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 213dd58edc3SVlad Buslov 214dd58edc3SVlad Buslov refcount_t refcnt; 215a734d007SVlad Buslov struct completion res_ready; 216a734d007SVlad Buslov int compl_result; 21711c9c548SOr Gerlitz }; 21811c9c548SOr Gerlitz 21911c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 22011c9c548SOr Gerlitz 2215a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2225a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 2235a7e5bcbSVlad Buslov 2245a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 2255a7e5bcbSVlad Buslov { 2265a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 2275a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 2285a7e5bcbSVlad Buslov return flow; 2295a7e5bcbSVlad Buslov } 2305a7e5bcbSVlad Buslov 2315a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 2325a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 2335a7e5bcbSVlad Buslov { 2345a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 2355a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 236c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 2375a7e5bcbSVlad Buslov } 2385a7e5bcbSVlad Buslov } 2395a7e5bcbSVlad Buslov 240226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 241226f2ca3SVlad Buslov { 242226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 243226f2ca3SVlad Buslov smp_mb__before_atomic(); 244226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 245226f2ca3SVlad Buslov } 246226f2ca3SVlad Buslov 247226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 248226f2ca3SVlad Buslov 249c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 250c5d326b2SVlad Buslov unsigned long flag) 251c5d326b2SVlad Buslov { 252c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 253c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 254c5d326b2SVlad Buslov } 255c5d326b2SVlad Buslov 256c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 257c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 258c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 259c5d326b2SVlad Buslov 260226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 261226f2ca3SVlad Buslov { 262226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 263226f2ca3SVlad Buslov smp_mb__before_atomic(); 264226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 265226f2ca3SVlad Buslov } 266226f2ca3SVlad Buslov 267226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 268226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 269226f2ca3SVlad Buslov 270226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 271226f2ca3SVlad Buslov { 272226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 273226f2ca3SVlad Buslov 274226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 275226f2ca3SVlad Buslov smp_mb__after_atomic(); 276226f2ca3SVlad Buslov return ret; 277226f2ca3SVlad Buslov } 278226f2ca3SVlad Buslov 279226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 280226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 281226f2ca3SVlad Buslov 282226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 283226f2ca3SVlad Buslov { 284226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 285226f2ca3SVlad Buslov } 286226f2ca3SVlad Buslov 28784179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 28884179981SPaul Blakey { 28984179981SPaul Blakey return flow_flag_test(flow, FT); 29084179981SPaul Blakey } 29184179981SPaul Blakey 292226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 293226f2ca3SVlad Buslov { 294226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 295226f2ca3SVlad Buslov } 296226f2ca3SVlad Buslov 29711c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 29811c9c548SOr Gerlitz { 29911c9c548SOr Gerlitz return jhash(key->actions, 30011c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 30111c9c548SOr Gerlitz } 30211c9c548SOr Gerlitz 30311c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 30411c9c548SOr Gerlitz struct mod_hdr_key *b) 30511c9c548SOr Gerlitz { 30611c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 30711c9c548SOr Gerlitz return 1; 30811c9c548SOr Gerlitz 30911c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 31011c9c548SOr Gerlitz } 31111c9c548SOr Gerlitz 312dd58edc3SVlad Buslov static struct mod_hdr_tbl * 313dd58edc3SVlad Buslov get_mod_hdr_table(struct mlx5e_priv *priv, int namespace) 314dd58edc3SVlad Buslov { 315dd58edc3SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 316dd58edc3SVlad Buslov 317dd58edc3SVlad Buslov return namespace == MLX5_FLOW_NAMESPACE_FDB ? &esw->offloads.mod_hdr : 318dd58edc3SVlad Buslov &priv->fs.tc.mod_hdr; 319dd58edc3SVlad Buslov } 320dd58edc3SVlad Buslov 321dd58edc3SVlad Buslov static struct mlx5e_mod_hdr_entry * 322dd58edc3SVlad Buslov mlx5e_mod_hdr_get(struct mod_hdr_tbl *tbl, struct mod_hdr_key *key, u32 hash_key) 323dd58edc3SVlad Buslov { 324dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh, *found = NULL; 325dd58edc3SVlad Buslov 326dd58edc3SVlad Buslov hash_for_each_possible(tbl->hlist, mh, mod_hdr_hlist, hash_key) { 327dd58edc3SVlad Buslov if (!cmp_mod_hdr_info(&mh->key, key)) { 328dd58edc3SVlad Buslov refcount_inc(&mh->refcnt); 329dd58edc3SVlad Buslov found = mh; 330dd58edc3SVlad Buslov break; 331dd58edc3SVlad Buslov } 332dd58edc3SVlad Buslov } 333dd58edc3SVlad Buslov 334dd58edc3SVlad Buslov return found; 335dd58edc3SVlad Buslov } 336dd58edc3SVlad Buslov 337dd58edc3SVlad Buslov static void mlx5e_mod_hdr_put(struct mlx5e_priv *priv, 338d2faae25SVlad Buslov struct mlx5e_mod_hdr_entry *mh, 339d2faae25SVlad Buslov int namespace) 340dd58edc3SVlad Buslov { 341d2faae25SVlad Buslov struct mod_hdr_tbl *tbl = get_mod_hdr_table(priv, namespace); 342d2faae25SVlad Buslov 343d2faae25SVlad Buslov if (!refcount_dec_and_mutex_lock(&mh->refcnt, &tbl->lock)) 344dd58edc3SVlad Buslov return; 345d2faae25SVlad Buslov hash_del(&mh->mod_hdr_hlist); 346d2faae25SVlad Buslov mutex_unlock(&tbl->lock); 347dd58edc3SVlad Buslov 348dd58edc3SVlad Buslov WARN_ON(!list_empty(&mh->flows)); 349a734d007SVlad Buslov if (mh->compl_result > 0) 3502b688ea5SMaor Gottlieb mlx5_modify_header_dealloc(priv->mdev, mh->modify_hdr); 351d2faae25SVlad Buslov 352dd58edc3SVlad Buslov kfree(mh); 353dd58edc3SVlad Buslov } 354dd58edc3SVlad Buslov 355d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 356d2faae25SVlad Buslov { 357d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 358d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 359d2faae25SVlad Buslov } 36011c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 36111c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 36211c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 36311c9c548SOr Gerlitz { 36411c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 36511c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 366dd58edc3SVlad Buslov struct mod_hdr_tbl *tbl; 36711c9c548SOr Gerlitz struct mod_hdr_key key; 36811c9c548SOr Gerlitz u32 hash_key; 36911c9c548SOr Gerlitz 3706ae4a6a5SPaul Blakey num_actions = parse_attr->mod_hdr_acts.num_actions; 37111c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 37211c9c548SOr Gerlitz 3736ae4a6a5SPaul Blakey key.actions = parse_attr->mod_hdr_acts.actions; 37411c9c548SOr Gerlitz key.num_actions = num_actions; 37511c9c548SOr Gerlitz 37611c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 37711c9c548SOr Gerlitz 378d2faae25SVlad Buslov namespace = get_flow_name_space(flow); 379dd58edc3SVlad Buslov tbl = get_mod_hdr_table(priv, namespace); 38011c9c548SOr Gerlitz 381d2faae25SVlad Buslov mutex_lock(&tbl->lock); 382dd58edc3SVlad Buslov mh = mlx5e_mod_hdr_get(tbl, &key, hash_key); 383a734d007SVlad Buslov if (mh) { 384a734d007SVlad Buslov mutex_unlock(&tbl->lock); 385a734d007SVlad Buslov wait_for_completion(&mh->res_ready); 386a734d007SVlad Buslov 387a734d007SVlad Buslov if (mh->compl_result < 0) { 388a734d007SVlad Buslov err = -EREMOTEIO; 389a734d007SVlad Buslov goto attach_header_err; 390a734d007SVlad Buslov } 39111c9c548SOr Gerlitz goto attach_flow; 392a734d007SVlad Buslov } 39311c9c548SOr Gerlitz 39411c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 395d2faae25SVlad Buslov if (!mh) { 396a734d007SVlad Buslov mutex_unlock(&tbl->lock); 397a734d007SVlad Buslov return -ENOMEM; 398d2faae25SVlad Buslov } 39911c9c548SOr Gerlitz 40011c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 40111c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 40211c9c548SOr Gerlitz mh->key.num_actions = num_actions; 40383a52f0dSVlad Buslov spin_lock_init(&mh->flows_lock); 40411c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 405dd58edc3SVlad Buslov refcount_set(&mh->refcnt, 1); 406a734d007SVlad Buslov init_completion(&mh->res_ready); 407a734d007SVlad Buslov 408a734d007SVlad Buslov hash_add(tbl->hlist, &mh->mod_hdr_hlist, hash_key); 409a734d007SVlad Buslov mutex_unlock(&tbl->lock); 41011c9c548SOr Gerlitz 4112b688ea5SMaor Gottlieb mh->modify_hdr = mlx5_modify_header_alloc(priv->mdev, namespace, 41211c9c548SOr Gerlitz mh->key.num_actions, 4132b688ea5SMaor Gottlieb mh->key.actions); 4142b688ea5SMaor Gottlieb if (IS_ERR(mh->modify_hdr)) { 4152b688ea5SMaor Gottlieb err = PTR_ERR(mh->modify_hdr); 416a734d007SVlad Buslov mh->compl_result = err; 417a734d007SVlad Buslov goto alloc_header_err; 418a734d007SVlad Buslov } 419a734d007SVlad Buslov mh->compl_result = 1; 420a734d007SVlad Buslov complete_all(&mh->res_ready); 42111c9c548SOr Gerlitz 42211c9c548SOr Gerlitz attach_flow: 423dd58edc3SVlad Buslov flow->mh = mh; 42483a52f0dSVlad Buslov spin_lock(&mh->flows_lock); 42511c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 42683a52f0dSVlad Buslov spin_unlock(&mh->flows_lock); 427d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 4282b688ea5SMaor Gottlieb flow->esw_attr->modify_hdr = mh->modify_hdr; 42911c9c548SOr Gerlitz else 4302b688ea5SMaor Gottlieb flow->nic_attr->modify_hdr = mh->modify_hdr; 43111c9c548SOr Gerlitz 43211c9c548SOr Gerlitz return 0; 43311c9c548SOr Gerlitz 434a734d007SVlad Buslov alloc_header_err: 435a734d007SVlad Buslov complete_all(&mh->res_ready); 436a734d007SVlad Buslov attach_header_err: 437a734d007SVlad Buslov mlx5e_mod_hdr_put(priv, mh, namespace); 43811c9c548SOr Gerlitz return err; 43911c9c548SOr Gerlitz } 44011c9c548SOr Gerlitz 44111c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 44211c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 44311c9c548SOr Gerlitz { 4445a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 445dd58edc3SVlad Buslov if (!flow->mh) 4465a7e5bcbSVlad Buslov return; 4475a7e5bcbSVlad Buslov 44883a52f0dSVlad Buslov spin_lock(&flow->mh->flows_lock); 44911c9c548SOr Gerlitz list_del(&flow->mod_hdr); 45083a52f0dSVlad Buslov spin_unlock(&flow->mh->flows_lock); 45111c9c548SOr Gerlitz 452d2faae25SVlad Buslov mlx5e_mod_hdr_put(priv, flow->mh, get_flow_name_space(flow)); 453dd58edc3SVlad Buslov flow->mh = NULL; 45411c9c548SOr Gerlitz } 45511c9c548SOr Gerlitz 45677ab67b7SOr Gerlitz static 45777ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 45877ab67b7SOr Gerlitz { 45977ab67b7SOr Gerlitz struct net_device *netdev; 46077ab67b7SOr Gerlitz struct mlx5e_priv *priv; 46177ab67b7SOr Gerlitz 46277ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 46377ab67b7SOr Gerlitz priv = netdev_priv(netdev); 46477ab67b7SOr Gerlitz return priv->mdev; 46577ab67b7SOr Gerlitz } 46677ab67b7SOr Gerlitz 46777ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 46877ab67b7SOr Gerlitz { 46977ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 47077ab67b7SOr Gerlitz void *tirc; 47177ab67b7SOr Gerlitz int err; 47277ab67b7SOr Gerlitz 47377ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 47477ab67b7SOr Gerlitz if (err) 47577ab67b7SOr Gerlitz goto alloc_tdn_err; 47677ab67b7SOr Gerlitz 47777ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 47877ab67b7SOr Gerlitz 47977ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 480ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 48177ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 48277ab67b7SOr Gerlitz 48377ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 48477ab67b7SOr Gerlitz if (err) 48577ab67b7SOr Gerlitz goto create_tir_err; 48677ab67b7SOr Gerlitz 48777ab67b7SOr Gerlitz return 0; 48877ab67b7SOr Gerlitz 48977ab67b7SOr Gerlitz create_tir_err: 49077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 49177ab67b7SOr Gerlitz alloc_tdn_err: 49277ab67b7SOr Gerlitz return err; 49377ab67b7SOr Gerlitz } 49477ab67b7SOr Gerlitz 49577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 49677ab67b7SOr Gerlitz { 49777ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 49877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 49977ab67b7SOr Gerlitz } 50077ab67b7SOr Gerlitz 5013f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 5023f6d08d1SOr Gerlitz { 5033f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 5043f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5053f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 5063f6d08d1SOr Gerlitz 5073f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 5083f6d08d1SOr Gerlitz hp->num_channels); 5093f6d08d1SOr Gerlitz 5103f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 5113f6d08d1SOr Gerlitz ix = i; 512bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 5133f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 5143f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 5153f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 5163f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5173f6d08d1SOr Gerlitz } 5183f6d08d1SOr Gerlitz } 5193f6d08d1SOr Gerlitz 5203f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5213f6d08d1SOr Gerlitz { 5223f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 5233f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5243f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5253f6d08d1SOr Gerlitz void *rqtc; 5263f6d08d1SOr Gerlitz u32 *in; 5273f6d08d1SOr Gerlitz 5283f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5293f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5303f6d08d1SOr Gerlitz if (!in) 5313f6d08d1SOr Gerlitz return -ENOMEM; 5323f6d08d1SOr Gerlitz 5333f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5343f6d08d1SOr Gerlitz 5353f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5363f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5373f6d08d1SOr Gerlitz 5383f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5393f6d08d1SOr Gerlitz 5403f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5413f6d08d1SOr Gerlitz if (!err) 5423f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5433f6d08d1SOr Gerlitz 5443f6d08d1SOr Gerlitz kvfree(in); 5453f6d08d1SOr Gerlitz return err; 5463f6d08d1SOr Gerlitz } 5473f6d08d1SOr Gerlitz 5483f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5493f6d08d1SOr Gerlitz { 5503f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5513f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5523f6d08d1SOr Gerlitz int tt, i, err; 5533f6d08d1SOr Gerlitz void *tirc; 5543f6d08d1SOr Gerlitz 5553f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 556d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 557d930ac79SAya Levin 5583f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5593f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5603f6d08d1SOr Gerlitz 5613f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5623f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5633f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 564bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 565bbeb53b8SAya Levin 5663f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 5673f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 5683f6d08d1SOr Gerlitz if (err) { 5693f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5703f6d08d1SOr Gerlitz goto err_destroy_tirs; 5713f6d08d1SOr Gerlitz } 5723f6d08d1SOr Gerlitz } 5733f6d08d1SOr Gerlitz return 0; 5743f6d08d1SOr Gerlitz 5753f6d08d1SOr Gerlitz err_destroy_tirs: 5763f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 5773f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 5783f6d08d1SOr Gerlitz return err; 5793f6d08d1SOr Gerlitz } 5803f6d08d1SOr Gerlitz 5813f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5823f6d08d1SOr Gerlitz { 5833f6d08d1SOr Gerlitz int tt; 5843f6d08d1SOr Gerlitz 5853f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5863f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 5873f6d08d1SOr Gerlitz } 5883f6d08d1SOr Gerlitz 5893f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5903f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5913f6d08d1SOr Gerlitz { 5923f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5933f6d08d1SOr Gerlitz int tt; 5943f6d08d1SOr Gerlitz 5953f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5963f6d08d1SOr Gerlitz 5973f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 5983f6d08d1SOr Gerlitz 5993f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6003f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 6013f6d08d1SOr Gerlitz 6026412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 6033f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6043f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6053f6d08d1SOr Gerlitz } 6063f6d08d1SOr Gerlitz 6073f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6083f6d08d1SOr Gerlitz { 6093f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6103f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6113f6d08d1SOr Gerlitz int err; 6123f6d08d1SOr Gerlitz 6133f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6143f6d08d1SOr Gerlitz if (err) 6153f6d08d1SOr Gerlitz return err; 6163f6d08d1SOr Gerlitz 6173f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6183f6d08d1SOr Gerlitz if (err) 6193f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6203f6d08d1SOr Gerlitz 6213f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6223f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6233f6d08d1SOr Gerlitz if (err) 6243f6d08d1SOr Gerlitz goto err_create_ttc_table; 6253f6d08d1SOr Gerlitz 6263f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6273f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6283f6d08d1SOr Gerlitz 6293f6d08d1SOr Gerlitz return 0; 6303f6d08d1SOr Gerlitz 6313f6d08d1SOr Gerlitz err_create_ttc_table: 6323f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6333f6d08d1SOr Gerlitz err_create_indirect_tirs: 6343f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6353f6d08d1SOr Gerlitz 6363f6d08d1SOr Gerlitz return err; 6373f6d08d1SOr Gerlitz } 6383f6d08d1SOr Gerlitz 6393f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6403f6d08d1SOr Gerlitz { 6413f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6423f6d08d1SOr Gerlitz 6433f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6443f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6453f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6463f6d08d1SOr Gerlitz } 6473f6d08d1SOr Gerlitz 64877ab67b7SOr Gerlitz static struct mlx5e_hairpin * 64977ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 65077ab67b7SOr Gerlitz int peer_ifindex) 65177ab67b7SOr Gerlitz { 65277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 65377ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 65477ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 65577ab67b7SOr Gerlitz int err; 65677ab67b7SOr Gerlitz 65777ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 65877ab67b7SOr Gerlitz if (!hp) 65977ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 66077ab67b7SOr Gerlitz 66177ab67b7SOr Gerlitz func_mdev = priv->mdev; 66277ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 66377ab67b7SOr Gerlitz 66477ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 66577ab67b7SOr Gerlitz if (IS_ERR(pair)) { 66677ab67b7SOr Gerlitz err = PTR_ERR(pair); 66777ab67b7SOr Gerlitz goto create_pair_err; 66877ab67b7SOr Gerlitz } 66977ab67b7SOr Gerlitz hp->pair = pair; 67077ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6713f6d08d1SOr Gerlitz hp->func_priv = priv; 6723f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 67377ab67b7SOr Gerlitz 67477ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 67577ab67b7SOr Gerlitz if (err) 67677ab67b7SOr Gerlitz goto create_transport_err; 67777ab67b7SOr Gerlitz 6783f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6793f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6803f6d08d1SOr Gerlitz if (err) 6813f6d08d1SOr Gerlitz goto rss_init_err; 6823f6d08d1SOr Gerlitz } 6833f6d08d1SOr Gerlitz 68477ab67b7SOr Gerlitz return hp; 68577ab67b7SOr Gerlitz 6863f6d08d1SOr Gerlitz rss_init_err: 6873f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 68877ab67b7SOr Gerlitz create_transport_err: 68977ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 69077ab67b7SOr Gerlitz create_pair_err: 69177ab67b7SOr Gerlitz kfree(hp); 69277ab67b7SOr Gerlitz return ERR_PTR(err); 69377ab67b7SOr Gerlitz } 69477ab67b7SOr Gerlitz 69577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 69677ab67b7SOr Gerlitz { 6973f6d08d1SOr Gerlitz if (hp->num_channels > 1) 6983f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 69977ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 70077ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 70177ab67b7SOr Gerlitz kvfree(hp); 70277ab67b7SOr Gerlitz } 70377ab67b7SOr Gerlitz 704106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 705106be53bSOr Gerlitz { 706106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 707106be53bSOr Gerlitz } 708106be53bSOr Gerlitz 7095c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 710106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7115c65c564SOr Gerlitz { 7125c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 713106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7145c65c564SOr Gerlitz 7155c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 716106be53bSOr Gerlitz hairpin_hlist, hash_key) { 717e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 718e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7195c65c564SOr Gerlitz return hpe; 7205c65c564SOr Gerlitz } 721e4f9abbdSVlad Buslov } 7225c65c564SOr Gerlitz 7235c65c564SOr Gerlitz return NULL; 7245c65c564SOr Gerlitz } 7255c65c564SOr Gerlitz 726e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 727e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 728e4f9abbdSVlad Buslov { 729e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 730b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 731e4f9abbdSVlad Buslov return; 732b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 733b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 734e4f9abbdSVlad Buslov 735db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 736e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 737e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 738e4f9abbdSVlad Buslov 739e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 740db76ca24SVlad Buslov } 741db76ca24SVlad Buslov 742db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 743e4f9abbdSVlad Buslov kfree(hpe); 744e4f9abbdSVlad Buslov } 745e4f9abbdSVlad Buslov 746106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 747106be53bSOr Gerlitz 748106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 749e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 750e98bedf5SEli Britstein struct netlink_ext_ack *extack) 751106be53bSOr Gerlitz { 752106be53bSOr Gerlitz void *headers_c, *headers_v; 753106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 754106be53bSOr Gerlitz bool vlan_present; 755106be53bSOr Gerlitz 756106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 757106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 758e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 759e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 760106be53bSOr Gerlitz return -EOPNOTSUPP; 761106be53bSOr Gerlitz } 762106be53bSOr Gerlitz #endif 763106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 764106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 765106be53bSOr Gerlitz 766106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 767106be53bSOr Gerlitz if (vlan_present) { 768106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 769106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 770106be53bSOr Gerlitz } 771106be53bSOr Gerlitz 772106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 773106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 774106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 775e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 776e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 777106be53bSOr Gerlitz return -EOPNOTSUPP; 778106be53bSOr Gerlitz } 779106be53bSOr Gerlitz 780106be53bSOr Gerlitz *match_prio = prio_val; 781106be53bSOr Gerlitz return 0; 782106be53bSOr Gerlitz } 783106be53bSOr Gerlitz 7845c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7855c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 786e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 787e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7885c65c564SOr Gerlitz { 78998b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7905c65c564SOr Gerlitz struct mlx5_hairpin_params params; 791d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7925c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7935c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7943f6d08d1SOr Gerlitz u64 link_speed64; 7953f6d08d1SOr Gerlitz u32 link_speed; 796106be53bSOr Gerlitz u8 match_prio; 797d8822868SOr Gerlitz u16 peer_id; 7985c65c564SOr Gerlitz int err; 7995c65c564SOr Gerlitz 800d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 801d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 802e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8035c65c564SOr Gerlitz return -EOPNOTSUPP; 8045c65c564SOr Gerlitz } 8055c65c564SOr Gerlitz 806d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 807e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 808e98bedf5SEli Britstein extack); 809106be53bSOr Gerlitz if (err) 810106be53bSOr Gerlitz return err; 811b32accdaSVlad Buslov 812b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 813106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 814db76ca24SVlad Buslov if (hpe) { 815db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 816db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 817db76ca24SVlad Buslov 818db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 819db76ca24SVlad Buslov err = -EREMOTEIO; 820db76ca24SVlad Buslov goto out_err; 821db76ca24SVlad Buslov } 8225c65c564SOr Gerlitz goto attach_flow; 823db76ca24SVlad Buslov } 8245c65c564SOr Gerlitz 8255c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 826b32accdaSVlad Buslov if (!hpe) { 827db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 828db76ca24SVlad Buslov return -ENOMEM; 829b32accdaSVlad Buslov } 8305c65c564SOr Gerlitz 83173edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8325c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 833db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 834d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 835106be53bSOr Gerlitz hpe->prio = match_prio; 836e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 837db76ca24SVlad Buslov init_completion(&hpe->res_ready); 838db76ca24SVlad Buslov 839db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 840db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 841db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8425c65c564SOr Gerlitz 8435c65c564SOr Gerlitz params.log_data_size = 15; 8445c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8455c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8465c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8475c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8485c65c564SOr Gerlitz 849eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 850eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 851eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 852eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 853eb9180f7SOr Gerlitz 854eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8553f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8562c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8573f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8583f6d08d1SOr Gerlitz link_speed64 = link_speed; 8593f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8603f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8613f6d08d1SOr Gerlitz 8625c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 863db76ca24SVlad Buslov hpe->hp = hp; 864db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8655c65c564SOr Gerlitz if (IS_ERR(hp)) { 8665c65c564SOr Gerlitz err = PTR_ERR(hp); 867db76ca24SVlad Buslov goto out_err; 8685c65c564SOr Gerlitz } 8695c65c564SOr Gerlitz 870eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 87127b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 87227b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 873eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8745c65c564SOr Gerlitz 8755c65c564SOr Gerlitz attach_flow: 8763f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 877226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 8783f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 8793f6d08d1SOr Gerlitz } else { 8805c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 8813f6d08d1SOr Gerlitz } 882b32accdaSVlad Buslov 883e4f9abbdSVlad Buslov flow->hpe = hpe; 88473edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8855c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 88673edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8873f6d08d1SOr Gerlitz 8885c65c564SOr Gerlitz return 0; 8895c65c564SOr Gerlitz 890db76ca24SVlad Buslov out_err: 891db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 8925c65c564SOr Gerlitz return err; 8935c65c564SOr Gerlitz } 8945c65c564SOr Gerlitz 8955c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 8965c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 8975c65c564SOr Gerlitz { 8985a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 899e4f9abbdSVlad Buslov if (!flow->hpe) 9005a7e5bcbSVlad Buslov return; 9015a7e5bcbSVlad Buslov 90273edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9035c65c564SOr Gerlitz list_del(&flow->hairpin); 90473edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 90573edca73SVlad Buslov 906e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 907e4f9abbdSVlad Buslov flow->hpe = NULL; 9085c65c564SOr Gerlitz } 9095c65c564SOr Gerlitz 910c83954abSRabie Loulou static int 91174491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 91217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 913e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 914e98bedf5SEli Britstein struct netlink_ext_ack *extack) 915e8f887acSAmir Vadai { 916bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 917aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 918aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 9195c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 92066958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9213bc4b7bfSOr Gerlitz .action = attr->action, 922bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 92366958ed9SHadar Hen Zion }; 924aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 9255c65c564SOr Gerlitz int err, dest_ix = 0; 926e8f887acSAmir Vadai 927bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 928bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 929bb0ee7dcSJianbo Liu 930226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 931e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 9325a7e5bcbSVlad Buslov if (err) 9335a7e5bcbSVlad Buslov return err; 9345a7e5bcbSVlad Buslov 935226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 9363f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9373f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 9383f6d08d1SOr Gerlitz } else { 9395c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 9405c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 9413f6d08d1SOr Gerlitz } 9423f6d08d1SOr Gerlitz dest_ix++; 9433f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9445c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9455c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 9465c65c564SOr Gerlitz dest_ix++; 9475c65c564SOr Gerlitz } 948aad7e08dSAmir Vadai 9495c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9505c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 9515a7e5bcbSVlad Buslov if (IS_ERR(counter)) 9525a7e5bcbSVlad Buslov return PTR_ERR(counter); 9535a7e5bcbSVlad Buslov 9545c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 955171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 9565c65c564SOr Gerlitz dest_ix++; 957b8aee822SMark Bloch attr->counter = counter; 958aad7e08dSAmir Vadai } 959aad7e08dSAmir Vadai 9602f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9613099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 9622b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9636ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 964c83954abSRabie Loulou if (err) 9655a7e5bcbSVlad Buslov return err; 9662f4fe4caSOr Gerlitz } 9672f4fe4caSOr Gerlitz 968b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 969acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 97061dc7b01SPaul Blakey struct mlx5_flow_table_attr ft_attr = {}; 97161dc7b01SPaul Blakey int tc_grp_size, tc_tbl_size, tc_num_grps; 97221b9c144SOr Gerlitz u32 max_flow_counter; 97321b9c144SOr Gerlitz 97421b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 97521b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 97621b9c144SOr Gerlitz 97721b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 97821b9c144SOr Gerlitz 97921b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 98021b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 98161dc7b01SPaul Blakey tc_num_grps = MLX5E_TC_TABLE_NUM_GROUPS; 98221b9c144SOr Gerlitz 98361dc7b01SPaul Blakey ft_attr.prio = MLX5E_TC_PRIO; 98461dc7b01SPaul Blakey ft_attr.max_fte = tc_tbl_size; 98561dc7b01SPaul Blakey ft_attr.level = MLX5E_TC_FT_LEVEL; 98661dc7b01SPaul Blakey ft_attr.autogroup.max_num_groups = tc_num_grps; 987acff797cSMaor Gottlieb priv->fs.tc.t = 988acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 98961dc7b01SPaul Blakey &ft_attr); 990acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 991b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 992e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 993e98bedf5SEli Britstein "Failed to create tc offload table\n"); 994e8f887acSAmir Vadai netdev_err(priv->netdev, 995e8f887acSAmir Vadai "Failed to create tc offload table\n"); 9965a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 997e8f887acSAmir Vadai } 998e8f887acSAmir Vadai } 999e8f887acSAmir Vadai 100038aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 1001d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 100238aa51c1SOr Gerlitz 1003c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 10045c65c564SOr Gerlitz &flow_act, dest, dest_ix); 1005b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 1006e8f887acSAmir Vadai 1007a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1008e8f887acSAmir Vadai } 1009e8f887acSAmir Vadai 1010d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1011d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1012d85cdccbSOr Gerlitz { 1013513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1014d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 1015d85cdccbSOr Gerlitz 1016b8aee822SMark Bloch counter = attr->counter; 10175a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1018e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1019d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1020d85cdccbSOr Gerlitz 1021b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1022226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1023d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1024d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1025d85cdccbSOr Gerlitz } 1026b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 10272f4fe4caSOr Gerlitz 1028513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10293099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 10305c65c564SOr Gerlitz 1031226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 10325c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1033d85cdccbSOr Gerlitz } 1034d85cdccbSOr Gerlitz 1035aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 10368c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1037aa0cbbaeSOr Gerlitz 10383c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1039e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1040733d4f36SRoi Dayan struct net_device *mirred_dev, 1041733d4f36SRoi Dayan int out_index, 10428c4dc42bSEli Britstein struct netlink_ext_ack *extack, 10430ad060eeSRoi Dayan struct net_device **encap_dev, 10440ad060eeSRoi Dayan bool *encap_valid); 10453c37745eSOr Gerlitz 10466d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 10476d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 10486d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10496d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 10506d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10516d2a3ed0SOr Gerlitz { 10526d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10536d2a3ed0SOr Gerlitz 10546d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 10556d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 10566d2a3ed0SOr Gerlitz return rule; 10576d2a3ed0SOr Gerlitz 1058e85e02baSEli Britstein if (attr->split_count) { 10596d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 10606d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 10616d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 10626d2a3ed0SOr Gerlitz return flow->rule[1]; 10636d2a3ed0SOr Gerlitz } 10646d2a3ed0SOr Gerlitz } 10656d2a3ed0SOr Gerlitz 10666d2a3ed0SOr Gerlitz return rule; 10676d2a3ed0SOr Gerlitz } 10686d2a3ed0SOr Gerlitz 10696d2a3ed0SOr Gerlitz static void 10706d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 10716d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10726d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10736d2a3ed0SOr Gerlitz { 1074226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 10756d2a3ed0SOr Gerlitz 1076e85e02baSEli Britstein if (attr->split_count) 10776d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 10786d2a3ed0SOr Gerlitz 10796d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 10806d2a3ed0SOr Gerlitz } 10816d2a3ed0SOr Gerlitz 10825dbe906fSPaul Blakey static struct mlx5_flow_handle * 10835dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 10845dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 10855dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 10865dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 10875dbe906fSPaul Blakey { 10885dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 10895dbe906fSPaul Blakey 10905dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 1091154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 10922be09de7SDavid S. Miller slow_attr->split_count = 0; 109339ac237cSPaul Blakey slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 10945dbe906fSPaul Blakey 10955dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 10965dbe906fSPaul Blakey if (!IS_ERR(rule)) 1097226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 10985dbe906fSPaul Blakey 10995dbe906fSPaul Blakey return rule; 11005dbe906fSPaul Blakey } 11015dbe906fSPaul Blakey 11025dbe906fSPaul Blakey static void 11035dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 11045dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 11055dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 11065dbe906fSPaul Blakey { 11075dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 1108154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 11092be09de7SDavid S. Miller slow_attr->split_count = 0; 111039ac237cSPaul Blakey slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 11115dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1112226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 11135dbe906fSPaul Blakey } 11145dbe906fSPaul Blakey 1115ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1116ad86755bSVlad Buslov * function. 1117ad86755bSVlad Buslov */ 1118ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1119ad86755bSVlad Buslov struct list_head *unready_flows) 1120ad86755bSVlad Buslov { 1121ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1122ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1123ad86755bSVlad Buslov } 1124ad86755bSVlad Buslov 1125ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1126ad86755bSVlad Buslov * function. 1127ad86755bSVlad Buslov */ 1128ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1129ad86755bSVlad Buslov { 1130ad86755bSVlad Buslov list_del(&flow->unready); 1131ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1132ad86755bSVlad Buslov } 1133ad86755bSVlad Buslov 1134b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1135b4a23329SRoi Dayan { 1136b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1137b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1138b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1139b4a23329SRoi Dayan 1140b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1141b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1142b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1143b4a23329SRoi Dayan 1144ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1145ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1146ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1147b4a23329SRoi Dayan } 1148b4a23329SRoi Dayan 1149b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1150b4a23329SRoi Dayan { 1151ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1152ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1153ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1154ad86755bSVlad Buslov 1155ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1156ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1157ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1158ad86755bSVlad Buslov 1159ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1160ad86755bSVlad Buslov unready_flow_del(flow); 1161ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1162b4a23329SRoi Dayan } 1163b4a23329SRoi Dayan 1164c83954abSRabie Loulou static int 116574491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1166e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1167e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1168adb4c123SOr Gerlitz { 1169adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1170aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 11717040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 11723c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1173b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 11743c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 11753c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 11760ad060eeSRoi Dayan bool encap_valid = true; 117739ac237cSPaul Blakey u32 max_prio, max_chain; 11780ad060eeSRoi Dayan int err = 0; 1179f493f155SEli Britstein int out_index; 11808b32580dSOr Gerlitz 118139ac237cSPaul Blakey if (!mlx5_esw_chains_prios_supported(esw) && attr->prio != 1) { 1182d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 1183d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1184d14f6f2aSOr Gerlitz } 1185e52c2802SPaul Blakey 118684179981SPaul Blakey /* We check chain range only for tc flows. 118784179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 118884179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 118984179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 119084179981SPaul Blakey */ 119139ac237cSPaul Blakey max_chain = mlx5_esw_chains_get_chain_range(esw); 119284179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 1193bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 11945a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1195bf07aa73SPaul Blakey } 1196bf07aa73SPaul Blakey 119739ac237cSPaul Blakey max_prio = mlx5_esw_chains_get_prio_range(esw); 1198bf07aa73SPaul Blakey if (attr->prio > max_prio) { 1199bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 12005a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1201bf07aa73SPaul Blakey } 1202bf07aa73SPaul Blakey 1203f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 12048c4dc42bSEli Britstein int mirred_ifindex; 12058c4dc42bSEli Britstein 1206f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1207f493f155SEli Britstein continue; 1208f493f155SEli Britstein 12097040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 12103c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 12118c4dc42bSEli Britstein mirred_ifindex); 1212733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 12130ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 12140ad060eeSRoi Dayan if (err) 12155a7e5bcbSVlad Buslov return err; 12160ad060eeSRoi Dayan 12173c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 12183c37745eSOr Gerlitz rpriv = out_priv->ppriv; 12191cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 12201cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 12213c37745eSOr Gerlitz } 12223c37745eSOr Gerlitz 12238b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1224c83954abSRabie Loulou if (err) 12255a7e5bcbSVlad Buslov return err; 1226adb4c123SOr Gerlitz 1227d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 12281a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 12296ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1230c83954abSRabie Loulou if (err) 12315a7e5bcbSVlad Buslov return err; 1232d7e75a32SOr Gerlitz } 1233d7e75a32SOr Gerlitz 1234b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1235f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 12365a7e5bcbSVlad Buslov if (IS_ERR(counter)) 12375a7e5bcbSVlad Buslov return PTR_ERR(counter); 1238b8aee822SMark Bloch 1239b8aee822SMark Bloch attr->counter = counter; 1240b8aee822SMark Bloch } 1241b8aee822SMark Bloch 12420ad060eeSRoi Dayan /* we get here if one of the following takes place: 12430ad060eeSRoi Dayan * (1) there's no error 12440ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 12453c37745eSOr Gerlitz */ 12460ad060eeSRoi Dayan if (!encap_valid) { 12475dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 12485dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 12495dbe906fSPaul Blakey 12505dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 12515dbe906fSPaul Blakey } else { 12526d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 12535dbe906fSPaul Blakey } 12545dbe906fSPaul Blakey 12555a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 12565a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1257226f2ca3SVlad Buslov else 1258226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1259c83954abSRabie Loulou 12605dbe906fSPaul Blakey return 0; 1261aa0cbbaeSOr Gerlitz } 1262d85cdccbSOr Gerlitz 12639272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 12649272e3dfSYevgeny Kliteynik { 12659272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 12669272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 12679272e3dfSYevgeny Kliteynik spec->match_value, 12689272e3dfSYevgeny Kliteynik misc_parameters_3); 12699272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 12709272e3dfSYevgeny Kliteynik headers_v, 12719272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 12729272e3dfSYevgeny Kliteynik 12739272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 12749272e3dfSYevgeny Kliteynik } 12759272e3dfSYevgeny Kliteynik 1276d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1277d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1278d85cdccbSOr Gerlitz { 1279d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1280d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 12815dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1282f493f155SEli Britstein int out_index; 1283d85cdccbSOr Gerlitz 1284226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1285b4a23329SRoi Dayan remove_unready_flow(flow); 1286ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1287ef06c9eeSRoi Dayan return; 1288ef06c9eeSRoi Dayan } 1289ef06c9eeSRoi Dayan 1290226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1291226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 12925dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 12935dbe906fSPaul Blakey else 12945dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 12955dbe906fSPaul Blakey } 1296d85cdccbSOr Gerlitz 12979272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 12989272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 12999272e3dfSYevgeny Kliteynik 1300513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1301d85cdccbSOr Gerlitz 1302f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 13032a4b6526SVlad Buslov if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 13048c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 13052a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 13062a4b6526SVlad Buslov } 1307f493f155SEli Britstein kvfree(attr->parse_attr); 1308d7e75a32SOr Gerlitz 1309513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 13101a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1311b8aee822SMark Bloch 1312b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1313f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1314d85cdccbSOr Gerlitz } 1315d85cdccbSOr Gerlitz 1316232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 13172a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13182a1f1768SVlad Buslov struct list_head *flow_list) 1319232c0013SHadar Hen Zion { 13203c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13215dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 13226d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 13236d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1324232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1325232c0013SHadar Hen Zion int err; 1326232c0013SHadar Hen Zion 13272b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 132854c177caSOz Shlomo e->reformat_type, 1329232c0013SHadar Hen Zion e->encap_size, e->encap_header, 13302b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 13312b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 13322b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 13332b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1334232c0013SHadar Hen Zion return; 1335232c0013SHadar Hen Zion } 1336232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1337f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1338232c0013SHadar Hen Zion 13392a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 13408c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 13418c4dc42bSEli Britstein int i; 13428c4dc42bSEli Britstein 134395435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 134495435ad7SVlad Buslov continue; 13453c37745eSOr Gerlitz esw_attr = flow->esw_attr; 13466d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 13476d2a3ed0SOr Gerlitz 13482b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 13492a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 13508c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 13518c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 13528c4dc42bSEli Britstein * a valid neighbour. 13538c4dc42bSEli Britstein */ 13548c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 13558c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 13568c4dc42bSEli Britstein continue; 13578c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 13588c4dc42bSEli Britstein all_flow_encaps_valid = false; 13598c4dc42bSEli Britstein break; 13608c4dc42bSEli Britstein } 13618c4dc42bSEli Britstein } 13628c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 13638c4dc42bSEli Britstein if (!all_flow_encaps_valid) 13642a1f1768SVlad Buslov continue; 13655dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 13666d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 13676d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 13686d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1369232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1370232c0013SHadar Hen Zion err); 13712a1f1768SVlad Buslov continue; 1372232c0013SHadar Hen Zion } 13735dbe906fSPaul Blakey 13745dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 13756d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1376226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1377226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1378232c0013SHadar Hen Zion } 1379232c0013SHadar Hen Zion } 1380232c0013SHadar Hen Zion 1381232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 13822a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13832a1f1768SVlad Buslov struct list_head *flow_list) 1384232c0013SHadar Hen Zion { 13853c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13865dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 13875dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 13885dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1389232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 13905dbe906fSPaul Blakey int err; 1391232c0013SHadar Hen Zion 13922a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 139395435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 139495435ad7SVlad Buslov continue; 13955dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 13965dbe906fSPaul Blakey 13975dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 13985dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 13998c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 14002a1f1768SVlad Buslov flow->esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 14015dbe906fSPaul Blakey 14025dbe906fSPaul Blakey if (IS_ERR(rule)) { 14035dbe906fSPaul Blakey err = PTR_ERR(rule); 14045dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 14055dbe906fSPaul Blakey err); 14062a1f1768SVlad Buslov continue; 14075dbe906fSPaul Blakey } 14085dbe906fSPaul Blakey 14096d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 14105dbe906fSPaul Blakey flow->rule[0] = rule; 1411226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1412226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1413232c0013SHadar Hen Zion } 1414232c0013SHadar Hen Zion 141561c806daSOr Gerlitz /* we know that the encap is valid */ 1416232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 14172b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1418232c0013SHadar Hen Zion } 1419232c0013SHadar Hen Zion 1420b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1421b8aee822SMark Bloch { 1422226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1423b8aee822SMark Bloch return flow->esw_attr->counter; 1424b8aee822SMark Bloch else 1425b8aee822SMark Bloch return flow->nic_attr->counter; 1426b8aee822SMark Bloch } 1427b8aee822SMark Bloch 14282a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 14292a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 14302a1f1768SVlad Buslov */ 14312a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 14322a1f1768SVlad Buslov { 14332a1f1768SVlad Buslov struct encap_flow_item *efi; 14342a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 14352a1f1768SVlad Buslov 14362a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 14372a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 14382a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 14392a1f1768SVlad Buslov continue; 144095435ad7SVlad Buslov wait_for_completion(&flow->init_done); 14412a1f1768SVlad Buslov 14422a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 14432a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 14442a1f1768SVlad Buslov } 14452a1f1768SVlad Buslov } 14462a1f1768SVlad Buslov 14476a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 14482a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 14496a06c2f7SVlad Buslov { 14506a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 14516a06c2f7SVlad Buslov 14526a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 14536a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 14546a06c2f7SVlad Buslov } 14556a06c2f7SVlad Buslov 1456ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1457ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1458ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1459ac0d9176SVlad Buslov { 1460ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1461ac0d9176SVlad Buslov 1462ac0d9176SVlad Buslov retry: 1463ac0d9176SVlad Buslov rcu_read_lock(); 1464ac0d9176SVlad Buslov 1465ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1466ac0d9176SVlad Buslov for (next = e ? 1467ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1468ac0d9176SVlad Buslov &e->encap_list, 1469ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1470ac0d9176SVlad Buslov encap_list) : 1471ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1472ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1473ac0d9176SVlad Buslov encap_list); 1474ac0d9176SVlad Buslov next; 1475ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1476ac0d9176SVlad Buslov &next->encap_list, 1477ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1478ac0d9176SVlad Buslov encap_list)) 1479ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1480ac0d9176SVlad Buslov break; 1481ac0d9176SVlad Buslov 1482ac0d9176SVlad Buslov rcu_read_unlock(); 1483ac0d9176SVlad Buslov 1484ac0d9176SVlad Buslov /* release starting encap */ 1485ac0d9176SVlad Buslov if (e) 1486ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1487ac0d9176SVlad Buslov if (!next) 1488ac0d9176SVlad Buslov return next; 1489ac0d9176SVlad Buslov 1490ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1491ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1492ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1493ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1494ac0d9176SVlad Buslov e = next; 1495ac0d9176SVlad Buslov goto retry; 1496ac0d9176SVlad Buslov } 1497ac0d9176SVlad Buslov 1498ac0d9176SVlad Buslov return next; 1499ac0d9176SVlad Buslov } 1500ac0d9176SVlad Buslov 1501f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1502f6dfb4c3SHadar Hen Zion { 1503f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1504ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1505f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1506f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1507f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1508f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1509f6dfb4c3SHadar Hen Zion struct neighbour *n; 151090bb7692SAriel Levkovich u64 lastuse; 1511f6dfb4c3SHadar Hen Zion 1512f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1513f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1514f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1515f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 15165cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1517f6dfb4c3SHadar Hen Zion #endif 1518f6dfb4c3SHadar Hen Zion else 1519f6dfb4c3SHadar Hen Zion return; 1520f6dfb4c3SHadar Hen Zion 1521ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1522ac0d9176SVlad Buslov * next one. 1523ac0d9176SVlad Buslov */ 1524ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 15256a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 15265a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 15276a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 15286a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1529948993f2SVlad Buslov 15306a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 15316a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 15325a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 153379baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 153479baaec7SEli Britstein encaps[efi->index]); 15355a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15365a7e5bcbSVlad Buslov continue; 15376a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 15385a7e5bcbSVlad Buslov 1539226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1540b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 154190bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1542f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1543f6dfb4c3SHadar Hen Zion neigh_used = true; 1544f6dfb4c3SHadar Hen Zion break; 1545f6dfb4c3SHadar Hen Zion } 1546f6dfb4c3SHadar Hen Zion } 1547f6dfb4c3SHadar Hen Zion } 15486a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1549948993f2SVlad Buslov 15506a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1551ac0d9176SVlad Buslov if (neigh_used) { 1552ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 15536a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1554e36d4810SRoi Dayan break; 1555f6dfb4c3SHadar Hen Zion } 1556ac0d9176SVlad Buslov } 1557f6dfb4c3SHadar Hen Zion 1558c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1559c786fe59SVlad Buslov 1560f6dfb4c3SHadar Hen Zion if (neigh_used) { 1561f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1562f6dfb4c3SHadar Hen Zion 1563f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1564f6dfb4c3SHadar Hen Zion * dst ip pair 1565f6dfb4c3SHadar Hen Zion */ 1566f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1567c7f7ba8dSRoi Dayan if (!n) 1568f6dfb4c3SHadar Hen Zion return; 1569f6dfb4c3SHadar Hen Zion 1570f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1571f6dfb4c3SHadar Hen Zion neigh_release(n); 1572f6dfb4c3SHadar Hen Zion } 1573f6dfb4c3SHadar Hen Zion } 1574f6dfb4c3SHadar Hen Zion 157561086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1576d85cdccbSOr Gerlitz { 1577948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 15783c140dd5SVlad Buslov 15793c140dd5SVlad Buslov if (e->compl_result > 0) { 1580232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1581232c0013SHadar Hen Zion 1582232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 15832b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 15843c140dd5SVlad Buslov } 1585232c0013SHadar Hen Zion 15862a4b6526SVlad Buslov kfree(e->tun_info); 1587232c0013SHadar Hen Zion kfree(e->encap_header); 1588ac0d9176SVlad Buslov kfree_rcu(e, rcu); 15895067b602SRoi Dayan } 1590948993f2SVlad Buslov 159161086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 159261086f39SVlad Buslov { 159361086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 159461086f39SVlad Buslov 159561086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 159661086f39SVlad Buslov return; 159761086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 159861086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 159961086f39SVlad Buslov 160061086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 160161086f39SVlad Buslov } 160261086f39SVlad Buslov 1603948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1604948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1605948993f2SVlad Buslov { 160661086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 160761086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 160861086f39SVlad Buslov 1609948993f2SVlad Buslov /* flow wasn't fully initialized */ 161061086f39SVlad Buslov if (!e) 1611948993f2SVlad Buslov return; 1612948993f2SVlad Buslov 161361086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1614948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1615948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 161661086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 161761086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 161861086f39SVlad Buslov return; 161961086f39SVlad Buslov } 162061086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 162161086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 162261086f39SVlad Buslov 162361086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 16245067b602SRoi Dayan } 16255067b602SRoi Dayan 162604de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 162704de7ddaSRoi Dayan { 162804de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 162904de7ddaSRoi Dayan 1630226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1631226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 163204de7ddaSRoi Dayan return; 163304de7ddaSRoi Dayan 163404de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 163504de7ddaSRoi Dayan list_del(&flow->peer); 163604de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 163704de7ddaSRoi Dayan 1638226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 163904de7ddaSRoi Dayan 1640eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 164104de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1642a23dae79SRoi Dayan kfree(flow->peer_flow); 1643eb252c3aSRoi Dayan } 1644eb252c3aSRoi Dayan 164504de7ddaSRoi Dayan flow->peer_flow = NULL; 164604de7ddaSRoi Dayan } 164704de7ddaSRoi Dayan 164804de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 164904de7ddaSRoi Dayan { 165004de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 165104de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 165204de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 165304de7ddaSRoi Dayan 165404de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 165504de7ddaSRoi Dayan if (!peer_esw) 165604de7ddaSRoi Dayan return; 165704de7ddaSRoi Dayan 165804de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 165904de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 166004de7ddaSRoi Dayan } 166104de7ddaSRoi Dayan 1662e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1663961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1664e8f887acSAmir Vadai { 1665226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 166604de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1667d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 166804de7ddaSRoi Dayan } else { 1669d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1670e8f887acSAmir Vadai } 167104de7ddaSRoi Dayan } 1672e8f887acSAmir Vadai 1673bbd00f7eSHadar Hen Zion 1674bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1675bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1676f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 16776363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1678bbd00f7eSHadar Hen Zion { 1679e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 16808f256622SPablo Neira Ayuso int err; 1681bbd00f7eSHadar Hen Zion 1682ea4cd837SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, match_level); 168354c177caSOz Shlomo if (err) { 168454c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 168554c177caSOz Shlomo "failed to parse tunnel attributes"); 1686101f4de9SOz Shlomo return err; 1687bbd00f7eSHadar Hen Zion } 1688bbd00f7eSHadar Hen Zion 1689bbd00f7eSHadar Hen Zion return 0; 1690bbd00f7eSHadar Hen Zion } 1691bbd00f7eSHadar Hen Zion 16928377629eSEli Britstein static void *get_match_headers_criteria(u32 flags, 16938377629eSEli Britstein struct mlx5_flow_spec *spec) 16948377629eSEli Britstein { 16958377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 16968377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 16978377629eSEli Britstein inner_headers) : 16988377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 16998377629eSEli Britstein outer_headers); 17008377629eSEli Britstein } 17018377629eSEli Britstein 17028377629eSEli Britstein static void *get_match_headers_value(u32 flags, 17038377629eSEli Britstein struct mlx5_flow_spec *spec) 17048377629eSEli Britstein { 17058377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 17068377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 17078377629eSEli Britstein inner_headers) : 17088377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 17098377629eSEli Britstein outer_headers); 17108377629eSEli Britstein } 17118377629eSEli Britstein 17126d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 17136d65bc64Swenxu struct flow_cls_offload *f) 17146d65bc64Swenxu { 17156d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17166d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 17176d65bc64Swenxu struct net_device *ingress_dev; 17186d65bc64Swenxu struct flow_match_meta match; 17196d65bc64Swenxu 17206d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 17216d65bc64Swenxu return 0; 17226d65bc64Swenxu 17236d65bc64Swenxu flow_rule_match_meta(rule, &match); 17246d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 17256d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 17266d65bc64Swenxu return -EINVAL; 17276d65bc64Swenxu } 17286d65bc64Swenxu 17296d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 17306d65bc64Swenxu match.key->ingress_ifindex); 17316d65bc64Swenxu if (!ingress_dev) { 17326d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 17336d65bc64Swenxu "Can't find the ingress port to match on"); 17346d65bc64Swenxu return -EINVAL; 17356d65bc64Swenxu } 17366d65bc64Swenxu 17376d65bc64Swenxu if (ingress_dev != filter_dev) { 17386d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 17396d65bc64Swenxu "Can't match on the ingress filter port"); 17406d65bc64Swenxu return -EINVAL; 17416d65bc64Swenxu } 17426d65bc64Swenxu 17436d65bc64Swenxu return 0; 17446d65bc64Swenxu } 17456d65bc64Swenxu 1746de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1747de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1748f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 174954c177caSOz Shlomo struct net_device *filter_dev, 175093b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 1751e3a2b7edSAmir Vadai { 1752e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1753c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1754c5bb1730SMaor Gottlieb outer_headers); 1755c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1756c5bb1730SMaor Gottlieb outer_headers); 1757699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1758699e96ddSJianbo Liu misc_parameters); 1759699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1760699e96ddSJianbo Liu misc_parameters); 1761f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17628f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1763e3a2b7edSAmir Vadai u16 addr_type = 0; 1764e3a2b7edSAmir Vadai u8 ip_proto = 0; 176593b3586eSHuy Nguyen u8 *match_level; 17666d65bc64Swenxu int err; 1767e3a2b7edSAmir Vadai 176893b3586eSHuy Nguyen match_level = outer_match_level; 1769de0af0bfSRoi Dayan 17708f256622SPablo Neira Ayuso if (dissector->used_keys & 17713d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 17723d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1773e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1774e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1775095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1776699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1777e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1778e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1779bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1780bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1781bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1782bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1783bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1784e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1785fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1786bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 17879272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 17889272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) { 1789e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1790e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 17918f256622SPablo Neira Ayuso dissector->used_keys); 1792e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1793e3a2b7edSAmir Vadai } 1794e3a2b7edSAmir Vadai 1795075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 179693b3586eSHuy Nguyen if (parse_tunnel_attr(priv, spec, f, filter_dev, 179793b3586eSHuy Nguyen outer_match_level)) 1798bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1799bbd00f7eSHadar Hen Zion 180093b3586eSHuy Nguyen /* At this point, header pointers should point to the inner 1801bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1802bbd00f7eSHadar Hen Zion */ 180393b3586eSHuy Nguyen match_level = inner_match_level; 18048377629eSEli Britstein headers_c = get_match_headers_criteria(MLX5_FLOW_CONTEXT_ACTION_DECAP, 18058377629eSEli Britstein spec); 18068377629eSEli Britstein headers_v = get_match_headers_value(MLX5_FLOW_CONTEXT_ACTION_DECAP, 18078377629eSEli Britstein spec); 1808bbd00f7eSHadar Hen Zion } 1809bbd00f7eSHadar Hen Zion 18106d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 18116d65bc64Swenxu if (err) 18126d65bc64Swenxu return err; 18136d65bc64Swenxu 18148f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 18158f256622SPablo Neira Ayuso struct flow_match_basic match; 1816e3a2b7edSAmir Vadai 18178f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 18188f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 18198f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 18208f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 18218f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 18228f256622SPablo Neira Ayuso 18238f256622SPablo Neira Ayuso if (match.mask->n_proto) 1824d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1825e3a2b7edSAmir Vadai } 182635a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 182735a605dbSEli Britstein is_vlan_dev(filter_dev)) { 182835a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 182935a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 18308f256622SPablo Neira Ayuso struct flow_match_vlan match; 18318f256622SPablo Neira Ayuso 183235a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 183335a605dbSEli Britstein match.key = &filter_dev_key; 183435a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 183535a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 183635a605dbSEli Britstein match.key->vlan_priority = 0; 183735a605dbSEli Britstein match.mask = &filter_dev_mask; 183835a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 183935a605dbSEli Britstein match.mask->vlan_priority = 0; 184035a605dbSEli Britstein } else { 18418f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 184235a605dbSEli Britstein } 18438f256622SPablo Neira Ayuso if (match.mask->vlan_id || 18448f256622SPablo Neira Ayuso match.mask->vlan_priority || 18458f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 18468f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1847699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1848699e96ddSJianbo Liu svlan_tag, 1); 1849699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1850699e96ddSJianbo Liu svlan_tag, 1); 1851699e96ddSJianbo Liu } else { 1852699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1853699e96ddSJianbo Liu cvlan_tag, 1); 1854699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1855699e96ddSJianbo Liu cvlan_tag, 1); 1856699e96ddSJianbo Liu } 1857095b6cfdSOr Gerlitz 18588f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 18598f256622SPablo Neira Ayuso match.mask->vlan_id); 18608f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 18618f256622SPablo Neira Ayuso match.key->vlan_id); 1862358d79a4SOr Gerlitz 18638f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 18648f256622SPablo Neira Ayuso match.mask->vlan_priority); 18658f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 18668f256622SPablo Neira Ayuso match.key->vlan_priority); 186754782900SOr Gerlitz 1868d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1869095b6cfdSOr Gerlitz } 1870d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1871fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 1872fc603294SMark Bloch * disabled in match value means both S & C tags 1873fc603294SMark Bloch * don't exist (untagged of both) 1874fc603294SMark Bloch */ 1875cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1876d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1877095b6cfdSOr Gerlitz } 1878095b6cfdSOr Gerlitz 18798f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 18808f256622SPablo Neira Ayuso struct flow_match_vlan match; 18818f256622SPablo Neira Ayuso 188212d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 18838f256622SPablo Neira Ayuso if (match.mask->vlan_id || 18848f256622SPablo Neira Ayuso match.mask->vlan_priority || 18858f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 18868f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1887699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1888699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1889699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1890699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1891699e96ddSJianbo Liu } else { 1892699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1893699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1894699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1895699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1896699e96ddSJianbo Liu } 1897699e96ddSJianbo Liu 1898699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 18998f256622SPablo Neira Ayuso match.mask->vlan_id); 1900699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 19018f256622SPablo Neira Ayuso match.key->vlan_id); 1902699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 19038f256622SPablo Neira Ayuso match.mask->vlan_priority); 1904699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 19058f256622SPablo Neira Ayuso match.key->vlan_priority); 1906699e96ddSJianbo Liu 1907699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1908699e96ddSJianbo Liu } 1909699e96ddSJianbo Liu } 1910699e96ddSJianbo Liu 19118f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 19128f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 191354782900SOr Gerlitz 19148f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1915d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1916d3a80bb5SOr Gerlitz dmac_47_16), 19178f256622SPablo Neira Ayuso match.mask->dst); 1918d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1919d3a80bb5SOr Gerlitz dmac_47_16), 19208f256622SPablo Neira Ayuso match.key->dst); 1921d3a80bb5SOr Gerlitz 1922d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1923d3a80bb5SOr Gerlitz smac_47_16), 19248f256622SPablo Neira Ayuso match.mask->src); 1925d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1926d3a80bb5SOr Gerlitz smac_47_16), 19278f256622SPablo Neira Ayuso match.key->src); 1928d3a80bb5SOr Gerlitz 19298f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 19308f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1931d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 193254782900SOr Gerlitz } 193354782900SOr Gerlitz 19348f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 19358f256622SPablo Neira Ayuso struct flow_match_control match; 193654782900SOr Gerlitz 19378f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 19388f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 193954782900SOr Gerlitz 194054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 19418f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 194254782900SOr Gerlitz return -EOPNOTSUPP; 194354782900SOr Gerlitz 19448f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 194554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 194654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 19478f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 194854782900SOr Gerlitz 194954782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 19508f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 195183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 195254782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 195354782900SOr Gerlitz else 195483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 195554782900SOr Gerlitz } 195654782900SOr Gerlitz } 195754782900SOr Gerlitz 19588f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 19598f256622SPablo Neira Ayuso struct flow_match_basic match; 19608f256622SPablo Neira Ayuso 19618f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 19628f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 196354782900SOr Gerlitz 196454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 19658f256622SPablo Neira Ayuso match.mask->ip_proto); 196654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 19678f256622SPablo Neira Ayuso match.key->ip_proto); 196854782900SOr Gerlitz 19698f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1970d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 197154782900SOr Gerlitz } 197254782900SOr Gerlitz 1973e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 19748f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1975e3a2b7edSAmir Vadai 19768f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1977e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1978e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 19798f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1980e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1981e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 19828f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1983e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1984e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 19858f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1986e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1987e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 19888f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1989de0af0bfSRoi Dayan 19908f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1991d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1992e3a2b7edSAmir Vadai } 1993e3a2b7edSAmir Vadai 1994e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 19958f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1996e3a2b7edSAmir Vadai 19978f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1998e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1999e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 20008f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2001e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2002e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 20038f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2004e3a2b7edSAmir Vadai 2005e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2006e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 20078f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2008e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2009e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 20108f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2011de0af0bfSRoi Dayan 20128f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 20138f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2014d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2015e3a2b7edSAmir Vadai } 2016e3a2b7edSAmir Vadai 20178f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 20188f256622SPablo Neira Ayuso struct flow_match_ip match; 20191f97a526SOr Gerlitz 20208f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 20218f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 20228f256622SPablo Neira Ayuso match.mask->tos & 0x3); 20238f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 20248f256622SPablo Neira Ayuso match.key->tos & 0x3); 20251f97a526SOr Gerlitz 20268f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 20278f256622SPablo Neira Ayuso match.mask->tos >> 2); 20288f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 20298f256622SPablo Neira Ayuso match.key->tos >> 2); 20301f97a526SOr Gerlitz 20318f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 20328f256622SPablo Neira Ayuso match.mask->ttl); 20338f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 20348f256622SPablo Neira Ayuso match.key->ttl); 20351f97a526SOr Gerlitz 20368f256622SPablo Neira Ayuso if (match.mask->ttl && 2037a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2038e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2039e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2040e98bedf5SEli Britstein "Matching on TTL is not supported"); 20411f97a526SOr Gerlitz return -EOPNOTSUPP; 2042e98bedf5SEli Britstein } 2043a8ade55fSOr Gerlitz 20448f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2045d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 20461f97a526SOr Gerlitz } 20471f97a526SOr Gerlitz 204854782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 204954782900SOr Gerlitz 20508f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 20518f256622SPablo Neira Ayuso struct flow_match_ports match; 20528f256622SPablo Neira Ayuso 20538f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2054e3a2b7edSAmir Vadai switch (ip_proto) { 2055e3a2b7edSAmir Vadai case IPPROTO_TCP: 2056e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20578f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2058e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20598f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2060e3a2b7edSAmir Vadai 2061e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20628f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2063e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20648f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2065e3a2b7edSAmir Vadai break; 2066e3a2b7edSAmir Vadai 2067e3a2b7edSAmir Vadai case IPPROTO_UDP: 2068e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20698f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2070e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20718f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2072e3a2b7edSAmir Vadai 2073e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20748f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2075e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20768f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2077e3a2b7edSAmir Vadai break; 2078e3a2b7edSAmir Vadai default: 2079e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2080e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2081e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2082e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2083e3a2b7edSAmir Vadai return -EINVAL; 2084e3a2b7edSAmir Vadai } 2085de0af0bfSRoi Dayan 20868f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2087d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2088e3a2b7edSAmir Vadai } 2089e3a2b7edSAmir Vadai 20908f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 20918f256622SPablo Neira Ayuso struct flow_match_tcp match; 2092e77834ecSOr Gerlitz 20938f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2094e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 20958f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2096e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 20978f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2098e77834ecSOr Gerlitz 20998f256622SPablo Neira Ayuso if (match.mask->flags) 2100d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2101e77834ecSOr Gerlitz } 2102e77834ecSOr Gerlitz 2103e3a2b7edSAmir Vadai return 0; 2104e3a2b7edSAmir Vadai } 2105e3a2b7edSAmir Vadai 2106de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 210765ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2108de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2109f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 211054c177caSOz Shlomo struct net_device *filter_dev) 2111de0af0bfSRoi Dayan { 211293b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2113e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2114de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2115de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 21161d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 21171d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2118226f2ca3SVlad Buslov bool is_eswitch_flow; 2119de0af0bfSRoi Dayan int err; 2120de0af0bfSRoi Dayan 212193b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 212293b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 212393b3586eSHuy Nguyen 212493b3586eSHuy Nguyen err = __parse_cls_flower(priv, spec, f, filter_dev, &inner_match_level, 212593b3586eSHuy Nguyen &outer_match_level); 212693b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 212793b3586eSHuy Nguyen outer_match_level : inner_match_level; 2128de0af0bfSRoi Dayan 2129226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2130226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 21311d447a39SSaeed Mahameed rep = rpriv->rep; 2132b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 21331d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 213493b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2135e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2136e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2137de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2138de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 213993b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2140de0af0bfSRoi Dayan return -EOPNOTSUPP; 2141de0af0bfSRoi Dayan } 2142de0af0bfSRoi Dayan } 2143de0af0bfSRoi Dayan 2144226f2ca3SVlad Buslov if (is_eswitch_flow) { 214593b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 214693b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 21476363651dSOr Gerlitz } else { 214893b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 21496363651dSOr Gerlitz } 215038aa51c1SOr Gerlitz 2151de0af0bfSRoi Dayan return err; 2152de0af0bfSRoi Dayan } 2153de0af0bfSRoi Dayan 2154d79b6df6SOr Gerlitz struct pedit_headers { 2155d79b6df6SOr Gerlitz struct ethhdr eth; 21560eb69bb9SEli Britstein struct vlan_hdr vlan; 2157d79b6df6SOr Gerlitz struct iphdr ip4; 2158d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2159d79b6df6SOr Gerlitz struct tcphdr tcp; 2160d79b6df6SOr Gerlitz struct udphdr udp; 2161d79b6df6SOr Gerlitz }; 2162d79b6df6SOr Gerlitz 2163c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2164c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2165c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2166c500c86bSPablo Neira Ayuso u32 pedits; 2167c500c86bSPablo Neira Ayuso }; 2168c500c86bSPablo Neira Ayuso 2169d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 217073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 217173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 217273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 217373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 217473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2175d79b6df6SOr Gerlitz }; 2176d79b6df6SOr Gerlitz 2177d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2178d79b6df6SOr Gerlitz 2179d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2180c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2181d79b6df6SOr Gerlitz { 2182d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2183d79b6df6SOr Gerlitz 2184c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2185c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2186d79b6df6SOr Gerlitz 2187d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2188d79b6df6SOr Gerlitz goto out_err; 2189d79b6df6SOr Gerlitz 2190d79b6df6SOr Gerlitz *curr_pmask |= mask; 2191d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2192d79b6df6SOr Gerlitz 2193d79b6df6SOr Gerlitz return 0; 2194d79b6df6SOr Gerlitz 2195d79b6df6SOr Gerlitz out_err: 2196d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2197d79b6df6SOr Gerlitz } 2198d79b6df6SOr Gerlitz 2199d79b6df6SOr Gerlitz struct mlx5_fields { 2200d79b6df6SOr Gerlitz u8 field; 220188f30bbcSDmytro Linkin u8 field_bsize; 220288f30bbcSDmytro Linkin u32 field_mask; 2203d79b6df6SOr Gerlitz u32 offset; 220427c11b6bSEli Britstein u32 match_offset; 2205d79b6df6SOr Gerlitz }; 2206d79b6df6SOr Gerlitz 220788f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 220888f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 220927c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 221027c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 221127c11b6bSEli Britstein 22122ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 22132ef86872SEli Britstein * match. 22142ef86872SEli Britstein */ 22152ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 22162ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 22172ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 22182ef86872SEli Britstein type maskx = *(type *)(maskp); \ 22192ef86872SEli Britstein type valx = *(type *)(valp); \ 22202ef86872SEli Britstein \ 22212ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 22222ef86872SEli Britstein matchmaskx)); \ 22232ef86872SEli Britstein }) 22242ef86872SEli Britstein 222527c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 222688f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 222727c11b6bSEli Britstein { 222827c11b6bSEli Britstein bool same = false; 222927c11b6bSEli Britstein 223088f30bbcSDmytro Linkin switch (bsize) { 223188f30bbcSDmytro Linkin case 8: 22322ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 223327c11b6bSEli Britstein break; 223488f30bbcSDmytro Linkin case 16: 22352ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 223627c11b6bSEli Britstein break; 223788f30bbcSDmytro Linkin case 32: 22382ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 223927c11b6bSEli Britstein break; 224027c11b6bSEli Britstein } 224127c11b6bSEli Britstein 224227c11b6bSEli Britstein return same; 224327c11b6bSEli Britstein } 2244a8e4f0c4SOr Gerlitz 2245d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 224688f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 224788f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 224888f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 224988f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 225088f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 225188f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2252d79b6df6SOr Gerlitz 2253ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 225488f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 225588f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 225688f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2257d79b6df6SOr Gerlitz 225888f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 225927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 226088f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 226127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 226288f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 226327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 226488f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 226527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 226688f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 226727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 226888f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 226927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 227088f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 227127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 227288f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 227327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 227488f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2275d79b6df6SOr Gerlitz 227688f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 227788f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 227888f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 227988f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2280d79b6df6SOr Gerlitz 228188f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 228288f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2283d79b6df6SOr Gerlitz }; 2284d79b6df6SOr Gerlitz 22856ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 22866ae4a6a5SPaul Blakey int namespace, 22876ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2288e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 228927c11b6bSEli Britstein u32 *action_flags, 2290e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2291d79b6df6SOr Gerlitz { 2292d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 22936ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 229488f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 229588f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 22966ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2297d79b6df6SOr Gerlitz struct mlx5_fields *f; 2298d79b6df6SOr Gerlitz unsigned long mask; 22992b64bebaSOr Gerlitz __be32 mask_be32; 23002b64bebaSOr Gerlitz __be16 mask_be16; 23016ae4a6a5SPaul Blakey int err; 230288f30bbcSDmytro Linkin u8 cmd; 230388f30bbcSDmytro Linkin 23046ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 230588f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 230688f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2307d79b6df6SOr Gerlitz 230873867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 230973867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 231073867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 231173867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2312d79b6df6SOr Gerlitz 2313d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2314d79b6df6SOr Gerlitz 2315d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 231627c11b6bSEli Britstein bool skip; 231727c11b6bSEli Britstein 2318d79b6df6SOr Gerlitz f = &fields[i]; 2319d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2320e3ca4e05SOr Gerlitz s_mask = 0; 2321e3ca4e05SOr Gerlitz a_mask = 0; 2322d79b6df6SOr Gerlitz 2323d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2324d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2325d79b6df6SOr Gerlitz 232688f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 232788f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2328d79b6df6SOr Gerlitz 2329d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2330d79b6df6SOr Gerlitz continue; 2331d79b6df6SOr Gerlitz 2332d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2333e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2334e98bedf5SEli Britstein "can't set and add to the same HW field"); 2335d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2336d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2337d79b6df6SOr Gerlitz } 2338d79b6df6SOr Gerlitz 233927c11b6bSEli Britstein skip = false; 2340d79b6df6SOr Gerlitz if (s_mask) { 234127c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 234227c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 234327c11b6bSEli Britstein 2344d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2345d79b6df6SOr Gerlitz mask = s_mask; 2346d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 234727c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 234827c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 234988f30bbcSDmytro Linkin match_mask, f->field_bsize)) 235027c11b6bSEli Britstein skip = true; 2351d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 235288f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2353d79b6df6SOr Gerlitz } else { 2354d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2355d79b6df6SOr Gerlitz mask = a_mask; 2356d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 235727c11b6bSEli Britstein /* add 0 is no change */ 235888f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 235927c11b6bSEli Britstein skip = true; 2360d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 236188f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2362d79b6df6SOr Gerlitz } 236327c11b6bSEli Britstein if (skip) 236427c11b6bSEli Britstein continue; 2365d79b6df6SOr Gerlitz 236688f30bbcSDmytro Linkin if (f->field_bsize == 32) { 23672b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 23682b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 236988f30bbcSDmytro Linkin } else if (f->field_bsize == 16) { 23702b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 23712b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 23722b64bebaSOr Gerlitz } 23732b64bebaSOr Gerlitz 237488f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 237588f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 237688f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 23772b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2378e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2379e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 23802b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2381d79b6df6SOr Gerlitz mask); 2382d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2383d79b6df6SOr Gerlitz } 2384d79b6df6SOr Gerlitz 23856ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 23866ae4a6a5SPaul Blakey if (err) { 23876ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 23886ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 23896ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 23906ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 23916ae4a6a5SPaul Blakey mod_acts->num_actions); 23926ae4a6a5SPaul Blakey return err; 23936ae4a6a5SPaul Blakey } 23946ae4a6a5SPaul Blakey 23956ae4a6a5SPaul Blakey action = mod_acts->actions + 23966ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2397d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2398d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2399d79b6df6SOr Gerlitz 2400d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 240188f30bbcSDmytro Linkin int start; 240288f30bbcSDmytro Linkin 240388f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 240488f30bbcSDmytro Linkin start = find_first_bit((unsigned long *)&f->field_mask, 240588f30bbcSDmytro Linkin f->field_bsize); 240688f30bbcSDmytro Linkin 240788f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2408d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 24092b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2410d79b6df6SOr Gerlitz } 2411d79b6df6SOr Gerlitz 241288f30bbcSDmytro Linkin if (f->field_bsize == 32) 24132b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 241488f30bbcSDmytro Linkin else if (f->field_bsize == 16) 24152b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 241688f30bbcSDmytro Linkin else if (f->field_bsize == 8) 24172b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2418d79b6df6SOr Gerlitz 24196ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2420d79b6df6SOr Gerlitz } 2421d79b6df6SOr Gerlitz 2422d79b6df6SOr Gerlitz return 0; 2423d79b6df6SOr Gerlitz } 2424d79b6df6SOr Gerlitz 24252cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 24262cc1cb1dSTonghao Zhang int namespace) 24272cc1cb1dSTonghao Zhang { 24282cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 24292cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 24302cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 24312cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 24322cc1cb1dSTonghao Zhang } 24332cc1cb1dSTonghao Zhang 24346ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2435c500c86bSPablo Neira Ayuso int namespace, 24366ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2437d79b6df6SOr Gerlitz { 24386ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 24396ae4a6a5SPaul Blakey size_t new_sz, old_sz; 24406ae4a6a5SPaul Blakey void *ret; 2441d79b6df6SOr Gerlitz 24426ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 24436ae4a6a5SPaul Blakey return 0; 24446ae4a6a5SPaul Blakey 2445d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2446d79b6df6SOr Gerlitz 24476ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 24486ae4a6a5SPaul Blakey namespace); 24496ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 24506ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 24516ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 24526ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 24536ae4a6a5SPaul Blakey return -ENOSPC; 2454d79b6df6SOr Gerlitz 24556ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 24566ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 24576ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 24586ae4a6a5SPaul Blakey if (!ret) 2459d79b6df6SOr Gerlitz return -ENOMEM; 2460d79b6df6SOr Gerlitz 24616ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 24626ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 24636ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 24646ae4a6a5SPaul Blakey 2465d79b6df6SOr Gerlitz return 0; 2466d79b6df6SOr Gerlitz } 2467d79b6df6SOr Gerlitz 24686ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 24696ae4a6a5SPaul Blakey { 24706ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 24716ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 24726ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 24736ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 24746ae4a6a5SPaul Blakey } 24756ae4a6a5SPaul Blakey 2476d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2477d79b6df6SOr Gerlitz 2478d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 247973867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2480e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2481c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2482e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2483d79b6df6SOr Gerlitz { 248473867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 248573867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2486d79b6df6SOr Gerlitz u32 mask, val, offset; 248773867881SPablo Neira Ayuso u8 htype; 2488d79b6df6SOr Gerlitz 248973867881SPablo Neira Ayuso htype = act->mangle.htype; 2490d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2491d79b6df6SOr Gerlitz 249273867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 249373867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2494d79b6df6SOr Gerlitz goto out_err; 2495d79b6df6SOr Gerlitz } 2496d79b6df6SOr Gerlitz 24972cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 24982cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 24992cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 25002cc1cb1dSTonghao Zhang goto out_err; 25012cc1cb1dSTonghao Zhang } 25022cc1cb1dSTonghao Zhang 250373867881SPablo Neira Ayuso mask = act->mangle.mask; 250473867881SPablo Neira Ayuso val = act->mangle.val; 250573867881SPablo Neira Ayuso offset = act->mangle.offset; 2506d79b6df6SOr Gerlitz 2507c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2508d79b6df6SOr Gerlitz if (err) 2509d79b6df6SOr Gerlitz goto out_err; 2510c500c86bSPablo Neira Ayuso 2511c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2512d79b6df6SOr Gerlitz 2513c500c86bSPablo Neira Ayuso return 0; 2514c500c86bSPablo Neira Ayuso out_err: 2515c500c86bSPablo Neira Ayuso return err; 2516c500c86bSPablo Neira Ayuso } 2517c500c86bSPablo Neira Ayuso 2518c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2519c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2520c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 252127c11b6bSEli Britstein u32 *action_flags, 2522c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2523c500c86bSPablo Neira Ayuso { 2524c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2525c500c86bSPablo Neira Ayuso int err; 2526c500c86bSPablo Neira Ayuso u8 cmd; 2527c500c86bSPablo Neira Ayuso 25286ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 25296ae4a6a5SPaul Blakey action_flags, extack); 2530d79b6df6SOr Gerlitz if (err < 0) 2531d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2532d79b6df6SOr Gerlitz 2533d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2534c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2535d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2536e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2537e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2538b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2539d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2540d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2541d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2542d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2543d79b6df6SOr Gerlitz } 2544d79b6df6SOr Gerlitz } 2545d79b6df6SOr Gerlitz 2546d79b6df6SOr Gerlitz return 0; 2547d79b6df6SOr Gerlitz 2548d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 25496ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2550d79b6df6SOr Gerlitz return err; 2551d79b6df6SOr Gerlitz } 2552d79b6df6SOr Gerlitz 2553e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2554e98bedf5SEli Britstein u32 action, 2555e98bedf5SEli Britstein u32 update_flags, 2556e98bedf5SEli Britstein struct netlink_ext_ack *extack) 255726c02749SOr Gerlitz { 255826c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 255926c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 256026c02749SOr Gerlitz 256126c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 256226c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2563e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2564e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 256526c02749SOr Gerlitz netdev_warn(priv->netdev, 256626c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 256726c02749SOr Gerlitz return false; 256826c02749SOr Gerlitz } 256926c02749SOr Gerlitz 257026c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2571e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2572e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 257326c02749SOr Gerlitz netdev_warn(priv->netdev, 257426c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 257526c02749SOr Gerlitz update_flags); 257626c02749SOr Gerlitz return false; 257726c02749SOr Gerlitz } 257826c02749SOr Gerlitz 257926c02749SOr Gerlitz return true; 258026c02749SOr Gerlitz } 258126c02749SOr Gerlitz 25828998576bSDmytro Linkin struct ip_ttl_word { 25838998576bSDmytro Linkin __u8 ttl; 25848998576bSDmytro Linkin __u8 protocol; 25858998576bSDmytro Linkin __sum16 check; 25868998576bSDmytro Linkin }; 25878998576bSDmytro Linkin 25888998576bSDmytro Linkin struct ipv6_hoplimit_word { 25898998576bSDmytro Linkin __be16 payload_len; 25908998576bSDmytro Linkin __u8 nexthdr; 25918998576bSDmytro Linkin __u8 hop_limit; 25928998576bSDmytro Linkin }; 25938998576bSDmytro Linkin 25948998576bSDmytro Linkin static bool is_action_keys_supported(const struct flow_action_entry *act) 25958998576bSDmytro Linkin { 25968998576bSDmytro Linkin u32 mask, offset; 25978998576bSDmytro Linkin u8 htype; 25988998576bSDmytro Linkin 25998998576bSDmytro Linkin htype = act->mangle.htype; 26008998576bSDmytro Linkin offset = act->mangle.offset; 26018998576bSDmytro Linkin mask = ~act->mangle.mask; 26028998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 26038998576bSDmytro Linkin * to determine that modified fields 26048998576bSDmytro Linkin * are NOT ttl & hop_limit only. 26058998576bSDmytro Linkin */ 26068998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 26078998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 26088998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 26098998576bSDmytro Linkin 26108998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 26118998576bSDmytro Linkin ttl_word->protocol || 26128998576bSDmytro Linkin ttl_word->check) { 26138998576bSDmytro Linkin return true; 26148998576bSDmytro Linkin } 26158998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 26168998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 26178998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 26188998576bSDmytro Linkin 26198998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 26208998576bSDmytro Linkin hoplimit_word->payload_len || 26218998576bSDmytro Linkin hoplimit_word->nexthdr) { 26228998576bSDmytro Linkin return true; 26238998576bSDmytro Linkin } 26248998576bSDmytro Linkin } 26258998576bSDmytro Linkin return false; 26268998576bSDmytro Linkin } 26278998576bSDmytro Linkin 2628bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 262973867881SPablo Neira Ayuso struct flow_action *flow_action, 26301651925dSGuy Shattah u32 actions, 2631e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2632bdd66ac0SOr Gerlitz { 263373867881SPablo Neira Ayuso const struct flow_action_entry *act; 2634bdd66ac0SOr Gerlitz bool modify_ip_header; 2635bdd66ac0SOr Gerlitz void *headers_v; 2636bdd66ac0SOr Gerlitz u16 ethertype; 26378998576bSDmytro Linkin u8 ip_proto; 263873867881SPablo Neira Ayuso int i; 2639bdd66ac0SOr Gerlitz 26408377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 2641bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2642bdd66ac0SOr Gerlitz 2643bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2644bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2645bdd66ac0SOr Gerlitz goto out_ok; 2646bdd66ac0SOr Gerlitz 2647bdd66ac0SOr Gerlitz modify_ip_header = false; 264873867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 264973867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 265073867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2651bdd66ac0SOr Gerlitz continue; 2652bdd66ac0SOr Gerlitz 26538998576bSDmytro Linkin if (is_action_keys_supported(act)) { 2654bdd66ac0SOr Gerlitz modify_ip_header = true; 2655bdd66ac0SOr Gerlitz break; 2656bdd66ac0SOr Gerlitz } 2657bdd66ac0SOr Gerlitz } 2658bdd66ac0SOr Gerlitz 2659bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 26601ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 26611ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2662e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2663e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2664bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2665bdd66ac0SOr Gerlitz return false; 2666bdd66ac0SOr Gerlitz } 2667bdd66ac0SOr Gerlitz 2668bdd66ac0SOr Gerlitz out_ok: 2669bdd66ac0SOr Gerlitz return true; 2670bdd66ac0SOr Gerlitz } 2671bdd66ac0SOr Gerlitz 2672bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 267373867881SPablo Neira Ayuso struct flow_action *flow_action, 2674bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2675e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2676e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2677bdd66ac0SOr Gerlitz { 26787f2fd0a5SPaul Blakey struct net_device *filter_dev = parse_attr->filter_dev; 26797f2fd0a5SPaul Blakey bool drop_action, decap_action, pop_action; 2680bdd66ac0SOr Gerlitz u32 actions; 2681bdd66ac0SOr Gerlitz 2682226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 2683bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2684bdd66ac0SOr Gerlitz else 2685bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2686bdd66ac0SOr Gerlitz 26877f2fd0a5SPaul Blakey drop_action = actions & MLX5_FLOW_CONTEXT_ACTION_DROP; 26887f2fd0a5SPaul Blakey decap_action = actions & MLX5_FLOW_CONTEXT_ACTION_DECAP; 26897f2fd0a5SPaul Blakey pop_action = actions & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 26907f2fd0a5SPaul Blakey 26917f2fd0a5SPaul Blakey if (flow_flag_test(flow, EGRESS) && !drop_action) { 26927f2fd0a5SPaul Blakey /* If no drop, we must decap (vxlan) or pop (vlan) */ 26937f2fd0a5SPaul Blakey if (mlx5e_get_tc_tun(filter_dev) && !decap_action) 26947e29392eSRoi Dayan return false; 26957f2fd0a5SPaul Blakey else if (is_vlan_dev(filter_dev) && !pop_action) 26967f2fd0a5SPaul Blakey return false; 26977f2fd0a5SPaul Blakey else 26987f2fd0a5SPaul Blakey return false; /* Sanity */ 26997f2fd0a5SPaul Blakey } 27007e29392eSRoi Dayan 2701bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 270273867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2703a655fe9fSDavid S. Miller flow_action, actions, 2704e98bedf5SEli Britstein extack); 2705bdd66ac0SOr Gerlitz 2706bdd66ac0SOr Gerlitz return true; 2707bdd66ac0SOr Gerlitz } 2708bdd66ac0SOr Gerlitz 27095c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 27105c65c564SOr Gerlitz { 27115c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2712816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 27135c65c564SOr Gerlitz 27145c65c564SOr Gerlitz fmdev = priv->mdev; 27155c65c564SOr Gerlitz pmdev = peer_priv->mdev; 27165c65c564SOr Gerlitz 271759c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 271859c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 27195c65c564SOr Gerlitz 2720816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 27215c65c564SOr Gerlitz } 27225c65c564SOr Gerlitz 2723bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2724bdc837eeSEli Britstein const struct flow_action_entry *act, 2725bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2726bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2727bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2728bdc837eeSEli Britstein { 2729bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2730bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2731bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2732bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2733bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2734bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2735bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2736bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2737bdc837eeSEli Britstein }; 27386fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 2739bf2f3bcaSEli Britstein void *headers_c, *headers_v; 2740bdc837eeSEli Britstein int err; 2741bdc837eeSEli Britstein 2742bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 2743bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 2744bf2f3bcaSEli Britstein 2745bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 2746bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 2747bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 2748bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 2749bf2f3bcaSEli Britstein return -EOPNOTSUPP; 2750bf2f3bcaSEli Britstein } 2751bf2f3bcaSEli Britstein 27526fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 27536fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 27546fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 27556fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 27566fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 2757bdc837eeSEli Britstein return -EOPNOTSUPP; 2758bdc837eeSEli Britstein } 2759bdc837eeSEli Britstein 2760bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2761bdc837eeSEli Britstein hdrs, NULL); 2762bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2763bdc837eeSEli Britstein 2764bdc837eeSEli Britstein return err; 2765bdc837eeSEli Britstein } 2766bdc837eeSEli Britstein 27670bac1194SEli Britstein static int 27680bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 27690bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 27700bac1194SEli Britstein struct pedit_headers_action *hdrs, 27710bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 27720bac1194SEli Britstein { 27730bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 27740bac1194SEli Britstein .vlan.vid = 0, 27750bac1194SEli Britstein .vlan.prio = 27760bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 27770bac1194SEli Britstein get_match_headers_value(*action, 27780bac1194SEli Britstein &parse_attr->spec), 27790bac1194SEli Britstein first_prio) & 27800bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 27810bac1194SEli Britstein get_match_headers_criteria(*action, 27820bac1194SEli Britstein &parse_attr->spec), 27830bac1194SEli Britstein first_prio), 27840bac1194SEli Britstein }; 27850bac1194SEli Britstein 27860bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 27870bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 27880bac1194SEli Britstein extack); 27890bac1194SEli Britstein } 27900bac1194SEli Britstein 279173867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 279273867881SPablo Neira Ayuso struct flow_action *flow_action, 2793aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2794e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2795e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2796e3a2b7edSAmir Vadai { 2797aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 279873867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 279973867881SPablo Neira Ayuso const struct flow_action_entry *act; 28001cab1cd7SOr Gerlitz u32 action = 0; 2801244cd96aSCong Wang int err, i; 2802e3a2b7edSAmir Vadai 280373867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2804e3a2b7edSAmir Vadai return -EINVAL; 2805e3a2b7edSAmir Vadai 28063bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2807e3a2b7edSAmir Vadai 280873867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 280973867881SPablo Neira Ayuso switch (act->id) { 281015fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 281115fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 281215fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 281315fc92ecSTonghao Zhang break; 281473867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 28151cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2816aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2817aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 28181cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 281973867881SPablo Neira Ayuso break; 282073867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 282173867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 282273867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2823c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 28242f4fe4caSOr Gerlitz if (err) 28252f4fe4caSOr Gerlitz return err; 28262f4fe4caSOr Gerlitz 28271cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 28282f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 282973867881SPablo Neira Ayuso break; 2830bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2831bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2832bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2833bdc837eeSEli Britstein act, parse_attr, hdrs, 2834bdc837eeSEli Britstein &action, extack); 2835bdc837eeSEli Britstein if (err) 2836bdc837eeSEli Britstein return err; 2837bdc837eeSEli Britstein 2838bdc837eeSEli Britstein break; 283973867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 28401cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 284173867881SPablo Neira Ayuso act->csum_flags, 2842e98bedf5SEli Britstein extack)) 284373867881SPablo Neira Ayuso break; 284426c02749SOr Gerlitz 284526c02749SOr Gerlitz return -EOPNOTSUPP; 284673867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 284773867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 28485c65c564SOr Gerlitz 28495c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 28505c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 285198b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 2852226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 28531cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 28545c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 28555c65c564SOr Gerlitz } else { 2856e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2857e98bedf5SEli Britstein "device is not on same HW, can't offload"); 28585c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 28595c65c564SOr Gerlitz peer_dev->name); 28605c65c564SOr Gerlitz return -EINVAL; 28615c65c564SOr Gerlitz } 28625c65c564SOr Gerlitz } 286373867881SPablo Neira Ayuso break; 286473867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 286573867881SPablo Neira Ayuso u32 mark = act->mark; 2866e3a2b7edSAmir Vadai 2867e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2868e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2869e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2870e3a2b7edSAmir Vadai return -EINVAL; 2871e3a2b7edSAmir Vadai } 2872e3a2b7edSAmir Vadai 28733bc4b7bfSOr Gerlitz attr->flow_tag = mark; 28741cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2875e3a2b7edSAmir Vadai } 287673867881SPablo Neira Ayuso break; 287773867881SPablo Neira Ayuso default: 28782cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 28792cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 2880e3a2b7edSAmir Vadai } 288173867881SPablo Neira Ayuso } 2882e3a2b7edSAmir Vadai 2883c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2884c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2885c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 288627c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 2887c500c86bSPablo Neira Ayuso if (err) 2888c500c86bSPablo Neira Ayuso return err; 288927c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 289027c11b6bSEli Britstein * flag. 289127c11b6bSEli Britstein */ 28926ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 289327c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 28946ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2895e7739a60SEli Britstein } 2896c500c86bSPablo Neira Ayuso } 2897c500c86bSPablo Neira Ayuso 28981cab1cd7SOr Gerlitz attr->action = action; 289973867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2900bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2901bdd66ac0SOr Gerlitz 2902e3a2b7edSAmir Vadai return 0; 2903e3a2b7edSAmir Vadai } 2904e3a2b7edSAmir Vadai 29057f1a546eSEli Britstein struct encap_key { 29061f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 2907d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 29087f1a546eSEli Britstein }; 29097f1a546eSEli Britstein 29107f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 29117f1a546eSEli Britstein struct encap_key *b) 2912a54e20b4SHadar Hen Zion { 29137f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 2914d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 2915a54e20b4SHadar Hen Zion } 2916a54e20b4SHadar Hen Zion 29177f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 2918a54e20b4SHadar Hen Zion { 29197f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 2920d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 2921a54e20b4SHadar Hen Zion } 2922a54e20b4SHadar Hen Zion 2923a54e20b4SHadar Hen Zion 2924b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2925b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2926b1d90e6bSRabie Loulou { 2927b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2928b1d90e6bSRabie Loulou 2929b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2930b1d90e6bSRabie Loulou 2931b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 293268931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 293368931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 293468931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2935b1d90e6bSRabie Loulou } 2936b1d90e6bSRabie Loulou 2937ce99f6b9SOr Gerlitz 293854c177caSOz Shlomo 2939948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 2940948993f2SVlad Buslov { 2941948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 2942948993f2SVlad Buslov } 2943948993f2SVlad Buslov 2944948993f2SVlad Buslov static struct mlx5e_encap_entry * 2945948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 2946948993f2SVlad Buslov uintptr_t hash_key) 2947948993f2SVlad Buslov { 2948948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2949948993f2SVlad Buslov struct mlx5e_encap_entry *e; 2950948993f2SVlad Buslov struct encap_key e_key; 2951948993f2SVlad Buslov 2952948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2953948993f2SVlad Buslov encap_hlist, hash_key) { 2954948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 2955948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 2956948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 2957948993f2SVlad Buslov mlx5e_encap_take(e)) 2958948993f2SVlad Buslov return e; 2959948993f2SVlad Buslov } 2960948993f2SVlad Buslov 2961948993f2SVlad Buslov return NULL; 2962948993f2SVlad Buslov } 2963948993f2SVlad Buslov 29642a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 29652a4b6526SVlad Buslov { 29662a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 29672a4b6526SVlad Buslov 29682a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 29692a4b6526SVlad Buslov } 29702a4b6526SVlad Buslov 2971554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 2972554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 2973554fe75cSDmytro Linkin int out_index, 2974554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 2975554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 2976554fe75cSDmytro Linkin { 2977554fe75cSDmytro Linkin int i; 2978554fe75cSDmytro Linkin 2979554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 2980554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 2981554fe75cSDmytro Linkin continue; 2982554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 2983554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 2984554fe75cSDmytro Linkin return true; 2985554fe75cSDmytro Linkin } 2986554fe75cSDmytro Linkin 2987554fe75cSDmytro Linkin return false; 2988554fe75cSDmytro Linkin } 2989554fe75cSDmytro Linkin 2990a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2991e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2992733d4f36SRoi Dayan struct net_device *mirred_dev, 2993733d4f36SRoi Dayan int out_index, 29948c4dc42bSEli Britstein struct netlink_ext_ack *extack, 29950ad060eeSRoi Dayan struct net_device **encap_dev, 29960ad060eeSRoi Dayan bool *encap_valid) 299703a9d11eSOr Gerlitz { 2998a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 299945247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3000733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 30011f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3002948993f2SVlad Buslov struct encap_key key; 3003c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3004733d4f36SRoi Dayan unsigned short family; 3005a54e20b4SHadar Hen Zion uintptr_t hash_key; 300654c177caSOz Shlomo int err = 0; 3007a54e20b4SHadar Hen Zion 3008733d4f36SRoi Dayan parse_attr = attr->parse_attr; 30091f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3010733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 30117f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3012d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3013d71f895cSEli Cohen if (!key.tc_tunnel) { 3014d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3015d71f895cSEli Cohen return -EOPNOTSUPP; 3016d71f895cSEli Cohen } 3017733d4f36SRoi Dayan 30187f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3019a54e20b4SHadar Hen Zion 302061086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3021948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3022a54e20b4SHadar Hen Zion 3023b2812089SVlad Buslov /* must verify if encap is valid or not */ 3024d589e785SVlad Buslov if (e) { 3025554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3026554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3027554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3028554fe75cSDmytro Linkin goto out_err; 3029554fe75cSDmytro Linkin } 3030554fe75cSDmytro Linkin 3031d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3032d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3033d589e785SVlad Buslov 3034d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3035d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 30363c140dd5SVlad Buslov if (e->compl_result < 0) { 3037d589e785SVlad Buslov err = -EREMOTEIO; 3038d589e785SVlad Buslov goto out_err; 3039d589e785SVlad Buslov } 304045247bf2SOr Gerlitz goto attach_flow; 3041d589e785SVlad Buslov } 3042a54e20b4SHadar Hen Zion 3043a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 304461086f39SVlad Buslov if (!e) { 304561086f39SVlad Buslov err = -ENOMEM; 304661086f39SVlad Buslov goto out_err; 304761086f39SVlad Buslov } 3048a54e20b4SHadar Hen Zion 3049948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3050d589e785SVlad Buslov init_completion(&e->res_ready); 3051d589e785SVlad Buslov 30522a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 30532a4b6526SVlad Buslov if (!tun_info) { 30542a4b6526SVlad Buslov err = -ENOMEM; 30552a4b6526SVlad Buslov goto out_err_init; 30562a4b6526SVlad Buslov } 30571f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3058101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 30592a4b6526SVlad Buslov if (err) 30602a4b6526SVlad Buslov goto out_err_init; 306154c177caSOz Shlomo 3062a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3063d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3064d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3065a54e20b4SHadar Hen Zion 3066ce99f6b9SOr Gerlitz if (family == AF_INET) 3067101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3068ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3069101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3070ce99f6b9SOr Gerlitz 3071d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3072d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3073d589e785SVlad Buslov complete_all(&e->res_ready); 3074d589e785SVlad Buslov if (err) { 3075d589e785SVlad Buslov e->compl_result = err; 3076a54e20b4SHadar Hen Zion goto out_err; 3077d589e785SVlad Buslov } 30783c140dd5SVlad Buslov e->compl_result = 1; 3079a54e20b4SHadar Hen Zion 308045247bf2SOr Gerlitz attach_flow: 3081948993f2SVlad Buslov flow->encaps[out_index].e = e; 30828c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 30838c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 308445247bf2SOr Gerlitz *encap_dev = e->out_dev; 30858c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 30862b688ea5SMaor Gottlieb attr->dests[out_index].pkt_reformat = e->pkt_reformat; 30878c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 30880ad060eeSRoi Dayan *encap_valid = true; 30898c4dc42bSEli Britstein } else { 30900ad060eeSRoi Dayan *encap_valid = false; 30918c4dc42bSEli Britstein } 309261086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 309345247bf2SOr Gerlitz 3094232c0013SHadar Hen Zion return err; 3095a54e20b4SHadar Hen Zion 3096a54e20b4SHadar Hen Zion out_err: 309761086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3098d589e785SVlad Buslov if (e) 3099d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3100a54e20b4SHadar Hen Zion return err; 31012a4b6526SVlad Buslov 31022a4b6526SVlad Buslov out_err_init: 31032a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 31042a4b6526SVlad Buslov kfree(tun_info); 31052a4b6526SVlad Buslov kfree(e); 31062a4b6526SVlad Buslov return err; 3107a54e20b4SHadar Hen Zion } 3108a54e20b4SHadar Hen Zion 31091482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 311073867881SPablo Neira Ayuso const struct flow_action_entry *act, 31111482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 31121482bd3dSJianbo Liu u32 *action) 31131482bd3dSJianbo Liu { 3114cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3115cc495188SJianbo Liu 3116cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 31171482bd3dSJianbo Liu return -EOPNOTSUPP; 3118cc495188SJianbo Liu 311973867881SPablo Neira Ayuso switch (act->id) { 312073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3121cc495188SJianbo Liu if (vlan_idx) { 3122cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3123cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3124cc495188SJianbo Liu return -EOPNOTSUPP; 3125cc495188SJianbo Liu 3126cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3127cc495188SJianbo Liu } else { 3128cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3129cc495188SJianbo Liu } 313073867881SPablo Neira Ayuso break; 313173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 313273867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 313373867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 313473867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3135cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3136cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3137cc495188SJianbo Liu 3138cc495188SJianbo Liu if (vlan_idx) { 3139cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3140cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3141cc495188SJianbo Liu return -EOPNOTSUPP; 3142cc495188SJianbo Liu 3143cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3144cc495188SJianbo Liu } else { 3145cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 314673867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 314773867881SPablo Neira Ayuso act->vlan.prio)) 3148cc495188SJianbo Liu return -EOPNOTSUPP; 3149cc495188SJianbo Liu 3150cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 31511482bd3dSJianbo Liu } 315273867881SPablo Neira Ayuso break; 315373867881SPablo Neira Ayuso default: 3154bdc837eeSEli Britstein return -EINVAL; 31551482bd3dSJianbo Liu } 31561482bd3dSJianbo Liu 3157cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3158cc495188SJianbo Liu 31591482bd3dSJianbo Liu return 0; 31601482bd3dSJianbo Liu } 31611482bd3dSJianbo Liu 3162278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3163278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3164278748a9SEli Britstein struct net_device **out_dev, 3165278748a9SEli Britstein u32 *action) 3166278748a9SEli Britstein { 3167278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3168278748a9SEli Britstein struct flow_action_entry vlan_act = { 3169278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3170278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3171278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3172278748a9SEli Britstein .vlan.prio = 0, 3173278748a9SEli Britstein }; 3174278748a9SEli Britstein int err; 3175278748a9SEli Britstein 3176278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3177278748a9SEli Britstein if (err) 3178278748a9SEli Britstein return err; 3179278748a9SEli Britstein 3180278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3181278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3182278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3183278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3184278748a9SEli Britstein 3185278748a9SEli Britstein return err; 3186278748a9SEli Britstein } 3187278748a9SEli Britstein 318835a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 318935a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 319035a605dbSEli Britstein u32 *action) 319135a605dbSEli Britstein { 3192f3b0a18bSTaehee Yoo int nest_level = attr->parse_attr->filter_dev->lower_level; 319335a605dbSEli Britstein struct flow_action_entry vlan_act = { 319435a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 319535a605dbSEli Britstein }; 319635a605dbSEli Britstein int err = 0; 319735a605dbSEli Britstein 319835a605dbSEli Britstein while (nest_level--) { 319935a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 320035a605dbSEli Britstein if (err) 320135a605dbSEli Britstein return err; 320235a605dbSEli Britstein } 320335a605dbSEli Britstein 320435a605dbSEli Britstein return err; 320535a605dbSEli Britstein } 320635a605dbSEli Britstein 3207f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3208f6dc1264SPaul Blakey struct net_device *out_dev) 3209f6dc1264SPaul Blakey { 3210f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 3211f6dc1264SPaul Blakey return true; 3212f6dc1264SPaul Blakey 3213f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 3214f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 3215f6dc1264SPaul Blakey } 3216f6dc1264SPaul Blakey 3217554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3218554fe75cSDmytro Linkin struct net_device *out_dev, 3219554fe75cSDmytro Linkin int *ifindexes, int if_count, 3220554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3221554fe75cSDmytro Linkin { 3222554fe75cSDmytro Linkin int i; 3223554fe75cSDmytro Linkin 3224554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3225554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3226554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3227554fe75cSDmytro Linkin "can't duplicate output to same device"); 3228554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3229554fe75cSDmytro Linkin out_dev->name); 3230554fe75cSDmytro Linkin return true; 3231554fe75cSDmytro Linkin } 3232554fe75cSDmytro Linkin } 3233554fe75cSDmytro Linkin 3234554fe75cSDmytro Linkin return false; 3235554fe75cSDmytro Linkin } 3236554fe75cSDmytro Linkin 323773867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 323873867881SPablo Neira Ayuso struct flow_action *flow_action, 3239e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3240e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3241a54e20b4SHadar Hen Zion { 324273867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3243bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3244ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 32456f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 32461d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 324773867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3248554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 324984179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 325073867881SPablo Neira Ayuso const struct flow_action_entry *act; 3251554fe75cSDmytro Linkin int err, i, if_count = 0; 3252a54e20b4SHadar Hen Zion bool encap = false; 32531cab1cd7SOr Gerlitz u32 action = 0; 325403a9d11eSOr Gerlitz 325573867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 325603a9d11eSOr Gerlitz return -EINVAL; 325703a9d11eSOr Gerlitz 325873867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 325973867881SPablo Neira Ayuso switch (act->id) { 326073867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 32611cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 326203a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 326373867881SPablo Neira Ayuso break; 326473867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 326573867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 326673867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3267c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 3268d7e75a32SOr Gerlitz if (err) 3269d7e75a32SOr Gerlitz return err; 3270d7e75a32SOr Gerlitz 32711cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3272e85e02baSEli Britstein attr->split_count = attr->out_count; 327373867881SPablo Neira Ayuso break; 327473867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 32751cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 327673867881SPablo Neira Ayuso act->csum_flags, extack)) 327773867881SPablo Neira Ayuso break; 327826c02749SOr Gerlitz 327926c02749SOr Gerlitz return -EOPNOTSUPP; 328073867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 328173867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 328203a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3283592d3651SChris Mi struct net_device *out_dev; 328403a9d11eSOr Gerlitz 328573867881SPablo Neira Ayuso out_dev = act->dev; 3286ef381359SOz Shlomo if (!out_dev) { 3287ef381359SOz Shlomo /* out_dev is NULL when filters with 3288ef381359SOz Shlomo * non-existing mirred device are replayed to 3289ef381359SOz Shlomo * the driver. 3290ef381359SOz Shlomo */ 3291ef381359SOz Shlomo return -EINVAL; 3292ef381359SOz Shlomo } 329303a9d11eSOr Gerlitz 329484179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 329584179981SPaul Blakey /* Ignore forward to self rules generated 329684179981SPaul Blakey * by adding both mlx5 devs to the flow table 329784179981SPaul Blakey * block on a normal nft offload setup. 329884179981SPaul Blakey */ 329984179981SPaul Blakey return -EOPNOTSUPP; 330084179981SPaul Blakey } 330184179981SPaul Blakey 3302592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3303e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3304e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 3305592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 3306592d3651SChris Mi attr->out_count); 3307592d3651SChris Mi return -EOPNOTSUPP; 3308592d3651SChris Mi } 3309592d3651SChris Mi 3310f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3311f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3312b6a4ac24SVlad Buslov if (encap) { 3313b6a4ac24SVlad Buslov parse_attr->mirred_ifindex[attr->out_count] = 3314b6a4ac24SVlad Buslov out_dev->ifindex; 3315b6a4ac24SVlad Buslov parse_attr->tun_info[attr->out_count] = dup_tun_info(info); 3316b6a4ac24SVlad Buslov if (!parse_attr->tun_info[attr->out_count]) 3317b6a4ac24SVlad Buslov return -ENOMEM; 3318b6a4ac24SVlad Buslov encap = false; 3319b6a4ac24SVlad Buslov attr->dests[attr->out_count].flags |= 3320b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 3321b6a4ac24SVlad Buslov attr->out_count++; 3322b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 3323b6a4ac24SVlad Buslov * handle encap 3324b6a4ac24SVlad Buslov */ 3325b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 33267ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 33277ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 3328fa833bd5SVlad Buslov struct net_device *uplink_upper; 33297ba58ba7SRabie Loulou 3330554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 3331554fe75cSDmytro Linkin out_dev, 3332554fe75cSDmytro Linkin ifindexes, 3333554fe75cSDmytro Linkin if_count, 3334554fe75cSDmytro Linkin extack)) 3335554fe75cSDmytro Linkin return -EOPNOTSUPP; 3336554fe75cSDmytro Linkin 3337554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 3338554fe75cSDmytro Linkin if_count++; 3339554fe75cSDmytro Linkin 3340fa833bd5SVlad Buslov rcu_read_lock(); 3341fa833bd5SVlad Buslov uplink_upper = 3342fa833bd5SVlad Buslov netdev_master_upper_dev_get_rcu(uplink_dev); 33437ba58ba7SRabie Loulou if (uplink_upper && 33447ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 33457ba58ba7SRabie Loulou uplink_upper == out_dev) 33467ba58ba7SRabie Loulou out_dev = uplink_dev; 3347fa833bd5SVlad Buslov rcu_read_unlock(); 33487ba58ba7SRabie Loulou 3349278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3350278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3351278748a9SEli Britstein &out_dev, 3352278748a9SEli Britstein &action); 3353278748a9SEli Britstein if (err) 3354278748a9SEli Britstein return err; 3355278748a9SEli Britstein } 3356f6dc1264SPaul Blakey 335735a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 335835a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 335935a605dbSEli Britstein &action); 336035a605dbSEli Britstein if (err) 336135a605dbSEli Britstein return err; 336235a605dbSEli Britstein } 3363278748a9SEli Britstein 3364f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3365f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3366f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 3367f6dc1264SPaul Blakey pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3368f6dc1264SPaul Blakey priv->netdev->name, out_dev->name); 3369a0646c88SEli Britstein return -EOPNOTSUPP; 3370f6dc1264SPaul Blakey } 3371a0646c88SEli Britstein 337203a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 33731d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3374df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 3375df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 3376df65a573SEli Britstein attr->out_count++; 3377ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3378ef381359SOz Shlomo /* All mlx5 devices are called to configure 3379ef381359SOz Shlomo * high level device filters. Therefore, the 3380ef381359SOz Shlomo * *attempt* to install a filter on invalid 3381ef381359SOz Shlomo * eswitch should not trigger an explicit error 3382ef381359SOz Shlomo */ 3383ef381359SOz Shlomo return -EINVAL; 3384a54e20b4SHadar Hen Zion } else { 3385e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3386e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 3387a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3388a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 3389a54e20b4SHadar Hen Zion return -EINVAL; 3390a54e20b4SHadar Hen Zion } 3391a54e20b4SHadar Hen Zion } 339273867881SPablo Neira Ayuso break; 339373867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 339473867881SPablo Neira Ayuso info = act->tunnel; 3395a54e20b4SHadar Hen Zion if (info) 3396a54e20b4SHadar Hen Zion encap = true; 3397a54e20b4SHadar Hen Zion else 3398a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 339903a9d11eSOr Gerlitz 340073867881SPablo Neira Ayuso break; 340173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 340273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 340376b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 340476b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 340576b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 340676b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 340776b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 340876b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 340976b496b1SEli Britstein act, parse_attr, hdrs, 341076b496b1SEli Britstein &action, extack); 341176b496b1SEli Britstein } else { 341273867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 341376b496b1SEli Britstein } 34141482bd3dSJianbo Liu if (err) 34151482bd3dSJianbo Liu return err; 34161482bd3dSJianbo Liu 3417e85e02baSEli Britstein attr->split_count = attr->out_count; 341873867881SPablo Neira Ayuso break; 3419bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3420bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3421bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3422bdc837eeSEli Britstein act, parse_attr, hdrs, 3423bdc837eeSEli Britstein &action, extack); 3424bdc837eeSEli Britstein if (err) 3425bdc837eeSEli Britstein return err; 3426bdc837eeSEli Britstein 3427bdc837eeSEli Britstein attr->split_count = attr->out_count; 3428bdc837eeSEli Britstein break; 342973867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 34301cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 343173867881SPablo Neira Ayuso break; 343273867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 343373867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 343439ac237cSPaul Blakey u32 max_chain = mlx5_esw_chains_get_chain_range(esw); 3435bf07aa73SPaul Blakey 343684179981SPaul Blakey if (ft_flow) { 343784179981SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 343884179981SPaul Blakey return -EOPNOTSUPP; 343984179981SPaul Blakey } 3440bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 3441bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 3442bf07aa73SPaul Blakey return -EOPNOTSUPP; 3443bf07aa73SPaul Blakey } 3444bf07aa73SPaul Blakey if (dest_chain > max_chain) { 3445bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 3446bf07aa73SPaul Blakey return -EOPNOTSUPP; 3447bf07aa73SPaul Blakey } 3448e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3449bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 345073867881SPablo Neira Ayuso break; 3451bf07aa73SPaul Blakey } 345273867881SPablo Neira Ayuso default: 34532cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 34542cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 345503a9d11eSOr Gerlitz } 345673867881SPablo Neira Ayuso } 3457bdd66ac0SOr Gerlitz 34580bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 34590bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 34600bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 34610bac1194SEli Britstein * tag rewrite. 34620bac1194SEli Britstein */ 34630bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 34640bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 34650bac1194SEli Britstein &action, extack); 34660bac1194SEli Britstein if (err) 34670bac1194SEli Britstein return err; 34680bac1194SEli Britstein } 34690bac1194SEli Britstein 3470c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3471c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 347284be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 347327c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3474c500c86bSPablo Neira Ayuso if (err) 3475c500c86bSPablo Neira Ayuso return err; 347627c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 347727c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 347827c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 347927c11b6bSEli Britstein */ 34806ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 348127c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 34826ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 348327c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 348427c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 348527c11b6bSEli Britstein attr->split_count = 0; 348627c11b6bSEli Britstein } 3487c500c86bSPablo Neira Ayuso } 3488c500c86bSPablo Neira Ayuso 34891cab1cd7SOr Gerlitz attr->action = action; 349073867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3491bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3492bdd66ac0SOr Gerlitz 3493e88afe75SOr Gerlitz if (attr->dest_chain) { 3494e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3495e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3496e88afe75SOr Gerlitz return -EOPNOTSUPP; 3497e88afe75SOr Gerlitz } 3498e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3499e88afe75SOr Gerlitz } 3500e88afe75SOr Gerlitz 3501ae2741e2SVlad Buslov if (!(attr->action & 3502ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 3503ae2741e2SVlad Buslov NL_SET_ERR_MSG(extack, "Rule must have at least one forward/drop action"); 3504ae2741e2SVlad Buslov return -EOPNOTSUPP; 3505ae2741e2SVlad Buslov } 3506ae2741e2SVlad Buslov 3507e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3508e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3509e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3510592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3511592d3651SChris Mi return -EOPNOTSUPP; 3512592d3651SChris Mi } 3513592d3651SChris Mi 351431c8eba5SOr Gerlitz return 0; 351503a9d11eSOr Gerlitz } 351603a9d11eSOr Gerlitz 3517226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 351860bd4af8SOr Gerlitz { 3519226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 352060bd4af8SOr Gerlitz 3521226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3522226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3523226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3524226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 352560bd4af8SOr Gerlitz 3526226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3527226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3528226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3529226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 353084179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 353184179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 3532d9ee0491SOr Gerlitz 353360bd4af8SOr Gerlitz *flow_flags = __flow_flags; 353460bd4af8SOr Gerlitz } 353560bd4af8SOr Gerlitz 353605866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 353705866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 353805866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 353905866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 354005866c82SOr Gerlitz .automatic_shrinking = true, 354105866c82SOr Gerlitz }; 354205866c82SOr Gerlitz 3543226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3544226f2ca3SVlad Buslov unsigned long flags) 354505866c82SOr Gerlitz { 3546655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3547655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3548655dc3d2SOr Gerlitz 3549226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3550655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3551ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3552d9ee0491SOr Gerlitz } else /* NIC offload */ 355305866c82SOr Gerlitz return &priv->fs.tc.ht; 355405866c82SOr Gerlitz } 355505866c82SOr Gerlitz 355604de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 355704de7ddaSRoi Dayan { 35581418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3559b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 3560226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 35611418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 35621418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 35631418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 35641418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 35651418ddd9SAviv Heller 356610fbb1cdSRoi Dayan if (!esw_paired) 356710fbb1cdSRoi Dayan return false; 356810fbb1cdSRoi Dayan 356910fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 357010fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 357110fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 357210fbb1cdSRoi Dayan return true; 357310fbb1cdSRoi Dayan 357410fbb1cdSRoi Dayan return false; 357504de7ddaSRoi Dayan } 357604de7ddaSRoi Dayan 3577a88780a9SRoi Dayan static int 3578a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3579226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3580a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3581a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3582e3a2b7edSAmir Vadai { 358317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 35843bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 35855a7e5bcbSVlad Buslov int out_index, err; 3586776b12b6SOr Gerlitz 358765ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 35881b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 358917091853SOr Gerlitz if (!parse_attr || !flow) { 3590e3a2b7edSAmir Vadai err = -ENOMEM; 3591e3a2b7edSAmir Vadai goto err_free; 3592e3a2b7edSAmir Vadai } 3593e3a2b7edSAmir Vadai 3594e3a2b7edSAmir Vadai flow->cookie = f->cookie; 359565ba8fb7SOr Gerlitz flow->flags = flow_flags; 3596655dc3d2SOr Gerlitz flow->priv = priv; 35975a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 35985a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 35995a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 36005a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 36015a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 360295435ad7SVlad Buslov init_completion(&flow->init_done); 3603e3a2b7edSAmir Vadai 3604a88780a9SRoi Dayan *__flow = flow; 3605a88780a9SRoi Dayan *__parse_attr = parse_attr; 3606a88780a9SRoi Dayan 3607a88780a9SRoi Dayan return 0; 3608a88780a9SRoi Dayan 3609a88780a9SRoi Dayan err_free: 3610a88780a9SRoi Dayan kfree(flow); 3611a88780a9SRoi Dayan kvfree(parse_attr); 3612a88780a9SRoi Dayan return err; 3613adb4c123SOr Gerlitz } 3614adb4c123SOr Gerlitz 3615988ab9c7STonghao Zhang static void 3616988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 3617988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3618988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3619f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3620988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3621988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3622988ab9c7STonghao Zhang { 3623988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3624988ab9c7STonghao Zhang 3625988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 3626988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 3627ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 3628988ab9c7STonghao Zhang 3629988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3630988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3631988ab9c7STonghao Zhang 3632988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3633988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3634988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3635988ab9c7STonghao Zhang else 3636988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3637988ab9c7STonghao Zhang } 3638988ab9c7STonghao Zhang 363971129676SJason Gunthorpe static struct mlx5e_tc_flow * 364004de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3641f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3642226f2ca3SVlad Buslov unsigned long flow_flags, 3643d11afc26SOz Shlomo struct net_device *filter_dev, 364404de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 364571129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3646a88780a9SRoi Dayan { 3647f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3648a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3649a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3650a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3651a88780a9SRoi Dayan int attr_size, err; 3652a88780a9SRoi Dayan 3653226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3654a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3655a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3656a88780a9SRoi Dayan &parse_attr, &flow); 3657a88780a9SRoi Dayan if (err) 3658a88780a9SRoi Dayan goto out; 3659988ab9c7STonghao Zhang 3660d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3661988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 3662988ab9c7STonghao Zhang priv, parse_attr, 3663988ab9c7STonghao Zhang f, in_rep, in_mdev); 3664988ab9c7STonghao Zhang 366554c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 366654c177caSOz Shlomo f, filter_dev); 3667d11afc26SOz Shlomo if (err) 3668d11afc26SOz Shlomo goto err_free; 3669a88780a9SRoi Dayan 36706f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 3671a88780a9SRoi Dayan if (err) 3672a88780a9SRoi Dayan goto err_free; 3673a88780a9SRoi Dayan 36747040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 367595435ad7SVlad Buslov complete_all(&flow->init_done); 3676ef06c9eeSRoi Dayan if (err) { 3677ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3678aa0cbbaeSOr Gerlitz goto err_free; 36795c40348cSOr Gerlitz 3680b4a23329SRoi Dayan add_unready_flow(flow); 3681ef06c9eeSRoi Dayan } 3682ef06c9eeSRoi Dayan 368371129676SJason Gunthorpe return flow; 3684e3a2b7edSAmir Vadai 3685e3a2b7edSAmir Vadai err_free: 36865a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3687a88780a9SRoi Dayan out: 368871129676SJason Gunthorpe return ERR_PTR(err); 3689a88780a9SRoi Dayan } 3690a88780a9SRoi Dayan 3691f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 369295dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 3693226f2ca3SVlad Buslov unsigned long flow_flags) 369404de7ddaSRoi Dayan { 369504de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 369604de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 369704de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 369804de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 369904de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 370004de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 370104de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 370204de7ddaSRoi Dayan int err = 0; 370304de7ddaSRoi Dayan 370404de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 370504de7ddaSRoi Dayan if (!peer_esw) 370604de7ddaSRoi Dayan return -ENODEV; 370704de7ddaSRoi Dayan 370804de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 370904de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 371004de7ddaSRoi Dayan 371104de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 371204de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 371304de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 371404de7ddaSRoi Dayan * peer mdev. 371504de7ddaSRoi Dayan */ 3716b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 371704de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 371804de7ddaSRoi Dayan else 371904de7ddaSRoi Dayan in_mdev = priv->mdev; 372004de7ddaSRoi Dayan 372104de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 372295dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 372304de7ddaSRoi Dayan parse_attr->filter_dev, 372471129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 372571129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 372671129676SJason Gunthorpe err = PTR_ERR(peer_flow); 372704de7ddaSRoi Dayan goto out; 372871129676SJason Gunthorpe } 372904de7ddaSRoi Dayan 373004de7ddaSRoi Dayan flow->peer_flow = peer_flow; 3731226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 373204de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 373304de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 373404de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 373504de7ddaSRoi Dayan 373604de7ddaSRoi Dayan out: 373704de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 373804de7ddaSRoi Dayan return err; 373904de7ddaSRoi Dayan } 374004de7ddaSRoi Dayan 374104de7ddaSRoi Dayan static int 374204de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3743f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3744226f2ca3SVlad Buslov unsigned long flow_flags, 374504de7ddaSRoi Dayan struct net_device *filter_dev, 374604de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 374704de7ddaSRoi Dayan { 374804de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 374904de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 375004de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 375104de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 375204de7ddaSRoi Dayan int err; 375304de7ddaSRoi Dayan 375471129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 375571129676SJason Gunthorpe in_mdev); 375671129676SJason Gunthorpe if (IS_ERR(flow)) 375771129676SJason Gunthorpe return PTR_ERR(flow); 375804de7ddaSRoi Dayan 375904de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 376095dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 376104de7ddaSRoi Dayan if (err) { 376204de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 376304de7ddaSRoi Dayan goto out; 376404de7ddaSRoi Dayan } 376504de7ddaSRoi Dayan } 376604de7ddaSRoi Dayan 376704de7ddaSRoi Dayan *__flow = flow; 376804de7ddaSRoi Dayan 376904de7ddaSRoi Dayan return 0; 377004de7ddaSRoi Dayan 377104de7ddaSRoi Dayan out: 377204de7ddaSRoi Dayan return err; 377304de7ddaSRoi Dayan } 377404de7ddaSRoi Dayan 3775a88780a9SRoi Dayan static int 3776a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3777f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3778226f2ca3SVlad Buslov unsigned long flow_flags, 3779d11afc26SOz Shlomo struct net_device *filter_dev, 3780a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3781a88780a9SRoi Dayan { 3782f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3783a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3784a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3785a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3786a88780a9SRoi Dayan int attr_size, err; 3787a88780a9SRoi Dayan 3788bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3789bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3790bf07aa73SPaul Blakey return -EOPNOTSUPP; 3791bf07aa73SPaul Blakey 3792226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3793a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3794a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3795a88780a9SRoi Dayan &parse_attr, &flow); 3796a88780a9SRoi Dayan if (err) 3797a88780a9SRoi Dayan goto out; 3798a88780a9SRoi Dayan 3799d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 380054c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 380154c177caSOz Shlomo f, filter_dev); 3802d11afc26SOz Shlomo if (err) 3803d11afc26SOz Shlomo goto err_free; 3804d11afc26SOz Shlomo 380573867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3806a88780a9SRoi Dayan if (err) 3807a88780a9SRoi Dayan goto err_free; 3808a88780a9SRoi Dayan 3809a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3810a88780a9SRoi Dayan if (err) 3811a88780a9SRoi Dayan goto err_free; 3812a88780a9SRoi Dayan 3813226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 3814a88780a9SRoi Dayan kvfree(parse_attr); 3815a88780a9SRoi Dayan *__flow = flow; 3816a88780a9SRoi Dayan 3817a88780a9SRoi Dayan return 0; 3818a88780a9SRoi Dayan 3819a88780a9SRoi Dayan err_free: 38205a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3821a88780a9SRoi Dayan kvfree(parse_attr); 3822a88780a9SRoi Dayan out: 3823a88780a9SRoi Dayan return err; 3824a88780a9SRoi Dayan } 3825a88780a9SRoi Dayan 3826a88780a9SRoi Dayan static int 3827a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3828f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3829226f2ca3SVlad Buslov unsigned long flags, 3830d11afc26SOz Shlomo struct net_device *filter_dev, 3831a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3832a88780a9SRoi Dayan { 3833a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3834226f2ca3SVlad Buslov unsigned long flow_flags; 3835a88780a9SRoi Dayan int err; 3836a88780a9SRoi Dayan 3837a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3838a88780a9SRoi Dayan 3839bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3840bf07aa73SPaul Blakey return -EOPNOTSUPP; 3841bf07aa73SPaul Blakey 3842f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3843d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3844d11afc26SOz Shlomo filter_dev, flow); 3845a88780a9SRoi Dayan else 3846d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3847d11afc26SOz Shlomo filter_dev, flow); 3848a88780a9SRoi Dayan 3849a88780a9SRoi Dayan return err; 3850a88780a9SRoi Dayan } 3851a88780a9SRoi Dayan 385271d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3853226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3854a88780a9SRoi Dayan { 3855a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3856d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3857a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3858a88780a9SRoi Dayan int err = 0; 3859a88780a9SRoi Dayan 3860c5d326b2SVlad Buslov rcu_read_lock(); 3861c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3862c5d326b2SVlad Buslov rcu_read_unlock(); 3863a88780a9SRoi Dayan if (flow) { 3864a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3865a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3866a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3867a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3868a88780a9SRoi Dayan f->cookie); 38690e1c1a2fSVlad Buslov err = -EEXIST; 3870a88780a9SRoi Dayan goto out; 3871a88780a9SRoi Dayan } 3872a88780a9SRoi Dayan 38737a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 3874d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3875a88780a9SRoi Dayan if (err) 3876a88780a9SRoi Dayan goto out; 3877a88780a9SRoi Dayan 3878c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 3879a88780a9SRoi Dayan if (err) 3880a88780a9SRoi Dayan goto err_free; 3881a88780a9SRoi Dayan 3882a88780a9SRoi Dayan return 0; 3883a88780a9SRoi Dayan 3884a88780a9SRoi Dayan err_free: 38855a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3886a88780a9SRoi Dayan out: 3887e3a2b7edSAmir Vadai return err; 3888e3a2b7edSAmir Vadai } 3889e3a2b7edSAmir Vadai 38908f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 38918f8ae895SOr Gerlitz { 3892226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 3893226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 38948f8ae895SOr Gerlitz 3895226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 3896226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 38978f8ae895SOr Gerlitz } 38988f8ae895SOr Gerlitz 389971d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 3900226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3901e3a2b7edSAmir Vadai { 3902d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3903e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3904c5d326b2SVlad Buslov int err; 3905e3a2b7edSAmir Vadai 3906c5d326b2SVlad Buslov rcu_read_lock(); 3907ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3908c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 3909c5d326b2SVlad Buslov err = -EINVAL; 3910c5d326b2SVlad Buslov goto errout; 3911c5d326b2SVlad Buslov } 3912e3a2b7edSAmir Vadai 3913c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 3914c5d326b2SVlad Buslov * set. 3915c5d326b2SVlad Buslov */ 3916c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 3917c5d326b2SVlad Buslov err = -EINVAL; 3918c5d326b2SVlad Buslov goto errout; 3919c5d326b2SVlad Buslov } 392005866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3921c5d326b2SVlad Buslov rcu_read_unlock(); 3922e3a2b7edSAmir Vadai 39237a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 39245a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3925e3a2b7edSAmir Vadai 3926e3a2b7edSAmir Vadai return 0; 3927c5d326b2SVlad Buslov 3928c5d326b2SVlad Buslov errout: 3929c5d326b2SVlad Buslov rcu_read_unlock(); 3930c5d326b2SVlad Buslov return err; 3931e3a2b7edSAmir Vadai } 3932e3a2b7edSAmir Vadai 393371d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 3934226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3935aad7e08dSAmir Vadai { 393604de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3937d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 393804de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3939aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3940aad7e08dSAmir Vadai struct mlx5_fc *counter; 3941316d5f72SRoi Dayan u64 lastuse = 0; 3942316d5f72SRoi Dayan u64 packets = 0; 3943316d5f72SRoi Dayan u64 bytes = 0; 39445a7e5bcbSVlad Buslov int err = 0; 3945aad7e08dSAmir Vadai 3946c5d326b2SVlad Buslov rcu_read_lock(); 3947c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 39485a7e5bcbSVlad Buslov tc_ht_params)); 3949c5d326b2SVlad Buslov rcu_read_unlock(); 39505a7e5bcbSVlad Buslov if (IS_ERR(flow)) 39515a7e5bcbSVlad Buslov return PTR_ERR(flow); 39525a7e5bcbSVlad Buslov 39535a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 39545a7e5bcbSVlad Buslov err = -EINVAL; 39555a7e5bcbSVlad Buslov goto errout; 39565a7e5bcbSVlad Buslov } 3957aad7e08dSAmir Vadai 3958226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 3959b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3960aad7e08dSAmir Vadai if (!counter) 39615a7e5bcbSVlad Buslov goto errout; 3962aad7e08dSAmir Vadai 3963aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3964316d5f72SRoi Dayan } 3965aad7e08dSAmir Vadai 3966316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3967316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3968316d5f72SRoi Dayan */ 396904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 397004de7ddaSRoi Dayan if (!peer_esw) 397104de7ddaSRoi Dayan goto out; 397204de7ddaSRoi Dayan 3973226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 3974226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 397504de7ddaSRoi Dayan u64 bytes2; 397604de7ddaSRoi Dayan u64 packets2; 397704de7ddaSRoi Dayan u64 lastuse2; 397804de7ddaSRoi Dayan 397904de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3980316d5f72SRoi Dayan if (!counter) 3981316d5f72SRoi Dayan goto no_peer_counter; 398204de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 398304de7ddaSRoi Dayan 398404de7ddaSRoi Dayan bytes += bytes2; 398504de7ddaSRoi Dayan packets += packets2; 398604de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 398704de7ddaSRoi Dayan } 398804de7ddaSRoi Dayan 3989316d5f72SRoi Dayan no_peer_counter: 399004de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 399104de7ddaSRoi Dayan out: 39923b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 39937a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 39945a7e5bcbSVlad Buslov errout: 39955a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 39965a7e5bcbSVlad Buslov return err; 3997aad7e08dSAmir Vadai } 3998aad7e08dSAmir Vadai 3999fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 4000fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4001fcb64c0fSEli Cohen { 4002fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4003fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 4004fcb64c0fSEli Cohen u16 vport_num; 4005fcb64c0fSEli Cohen u32 rate_mbps; 4006fcb64c0fSEli Cohen int err; 4007fcb64c0fSEli Cohen 4008e401a184SEli Cohen vport_num = rpriv->rep->vport; 4009e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4010e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4011e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4012e401a184SEli Cohen return -EOPNOTSUPP; 4013e401a184SEli Cohen } 4014e401a184SEli Cohen 4015fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4016fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4017fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4018fcb64c0fSEli Cohen * mbit means million bits. 4019fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4020fcb64c0fSEli Cohen * 1 mbit/sec. 4021fcb64c0fSEli Cohen */ 4022fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 4023fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4024fcb64c0fSEli Cohen if (err) 4025fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4026fcb64c0fSEli Cohen 4027fcb64c0fSEli Cohen return err; 4028fcb64c0fSEli Cohen } 4029fcb64c0fSEli Cohen 4030fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4031fcb64c0fSEli Cohen struct flow_action *flow_action, 4032fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4033fcb64c0fSEli Cohen { 4034fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4035fcb64c0fSEli Cohen const struct flow_action_entry *act; 4036fcb64c0fSEli Cohen int err; 4037fcb64c0fSEli Cohen int i; 4038fcb64c0fSEli Cohen 4039fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4040fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4041fcb64c0fSEli Cohen return -EINVAL; 4042fcb64c0fSEli Cohen } 4043fcb64c0fSEli Cohen 4044fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4045fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4046fcb64c0fSEli Cohen return -EOPNOTSUPP; 4047fcb64c0fSEli Cohen } 4048fcb64c0fSEli Cohen 4049fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4050fcb64c0fSEli Cohen switch (act->id) { 4051fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 4052fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4053fcb64c0fSEli Cohen if (err) 4054fcb64c0fSEli Cohen return err; 4055fcb64c0fSEli Cohen 4056fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4057fcb64c0fSEli Cohen break; 4058fcb64c0fSEli Cohen default: 4059fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4060fcb64c0fSEli Cohen return -EOPNOTSUPP; 4061fcb64c0fSEli Cohen } 4062fcb64c0fSEli Cohen } 4063fcb64c0fSEli Cohen 4064fcb64c0fSEli Cohen return 0; 4065fcb64c0fSEli Cohen } 4066fcb64c0fSEli Cohen 4067fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4068fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4069fcb64c0fSEli Cohen { 4070fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4071fcb64c0fSEli Cohen 40727b83355fSEli Cohen if (ma->common.prio != 1) { 4073fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4074fcb64c0fSEli Cohen return -EINVAL; 4075fcb64c0fSEli Cohen } 4076fcb64c0fSEli Cohen 4077fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4078fcb64c0fSEli Cohen } 4079fcb64c0fSEli Cohen 4080fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4081fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4082fcb64c0fSEli Cohen { 4083fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4084fcb64c0fSEli Cohen 4085fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4086fcb64c0fSEli Cohen } 4087fcb64c0fSEli Cohen 4088fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4089fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4090fcb64c0fSEli Cohen { 4091fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4092fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4093fcb64c0fSEli Cohen u64 dbytes; 4094fcb64c0fSEli Cohen u64 dpkts; 4095fcb64c0fSEli Cohen 4096fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4097fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4098fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4099fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 4100fcb64c0fSEli Cohen flow_stats_update(&ma->stats, dpkts, dbytes, jiffies); 4101fcb64c0fSEli Cohen } 4102fcb64c0fSEli Cohen 41034d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 41044d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 41054d8fcf21SAlaa Hleihel { 41064d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4107db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4108db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 41094d8fcf21SAlaa Hleihel u16 peer_vhca_id; 41104d8fcf21SAlaa Hleihel int bkt; 41114d8fcf21SAlaa Hleihel 41124d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 41134d8fcf21SAlaa Hleihel return; 41144d8fcf21SAlaa Hleihel 41154d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 41164d8fcf21SAlaa Hleihel 4117b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4118db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4119db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4120db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4121b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4122db76ca24SVlad Buslov 4123db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4124db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4125db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4126db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4127db76ca24SVlad Buslov 4128db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4129db76ca24SVlad Buslov } 41304d8fcf21SAlaa Hleihel } 41314d8fcf21SAlaa Hleihel 41324d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 41334d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 41344d8fcf21SAlaa Hleihel { 41354d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 41364d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 41374d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 41384d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 41394d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 41404d8fcf21SAlaa Hleihel 41414d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 41424d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 41434d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 41444d8fcf21SAlaa Hleihel return NOTIFY_DONE; 41454d8fcf21SAlaa Hleihel 41464d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 41474d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 41484d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 41494d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 41504d8fcf21SAlaa Hleihel if (priv == peer_priv || 41514d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 41524d8fcf21SAlaa Hleihel return NOTIFY_DONE; 41534d8fcf21SAlaa Hleihel 41544d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 41554d8fcf21SAlaa Hleihel 41564d8fcf21SAlaa Hleihel return NOTIFY_DONE; 41574d8fcf21SAlaa Hleihel } 41584d8fcf21SAlaa Hleihel 4159655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4160e8f887acSAmir Vadai { 4161acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 41624d8fcf21SAlaa Hleihel int err; 4163e8f887acSAmir Vadai 4164b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4165d2faae25SVlad Buslov mutex_init(&tc->mod_hdr.lock); 4166dd58edc3SVlad Buslov hash_init(tc->mod_hdr.hlist); 4167b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 41685c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 416911c9c548SOr Gerlitz 41704d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 41714d8fcf21SAlaa Hleihel if (err) 41724d8fcf21SAlaa Hleihel return err; 41734d8fcf21SAlaa Hleihel 41744d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4175d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4176d48834f9SJiri Pirko &tc->netdevice_nb, 4177d48834f9SJiri Pirko &tc->netdevice_nn); 4178d48834f9SJiri Pirko if (err) { 41794d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 41804d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 41814d8fcf21SAlaa Hleihel } 41824d8fcf21SAlaa Hleihel 41834d8fcf21SAlaa Hleihel return err; 4184e8f887acSAmir Vadai } 4185e8f887acSAmir Vadai 4186e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4187e8f887acSAmir Vadai { 4188e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4189655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4190e8f887acSAmir Vadai 4191961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4192e8f887acSAmir Vadai kfree(flow); 4193e8f887acSAmir Vadai } 4194e8f887acSAmir Vadai 4195655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4196e8f887acSAmir Vadai { 4197acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4198e8f887acSAmir Vadai 41994d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4200d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4201d48834f9SJiri Pirko &tc->netdevice_nb, 4202d48834f9SJiri Pirko &tc->netdevice_nn); 42034d8fcf21SAlaa Hleihel 4204d2faae25SVlad Buslov mutex_destroy(&tc->mod_hdr.lock); 4205b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4206b32accdaSVlad Buslov 4207d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4208e8f887acSAmir Vadai 4209acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4210acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4211acff797cSMaor Gottlieb tc->t = NULL; 4212e8f887acSAmir Vadai } 4213b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4214e8f887acSAmir Vadai } 4215655dc3d2SOr Gerlitz 4216655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4217655dc3d2SOr Gerlitz { 4218655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 4219655dc3d2SOr Gerlitz } 4220655dc3d2SOr Gerlitz 4221655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4222655dc3d2SOr Gerlitz { 4223655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 4224655dc3d2SOr Gerlitz } 422501252a27SOr Gerlitz 4226226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 422701252a27SOr Gerlitz { 4228d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 422901252a27SOr Gerlitz 423001252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 423101252a27SOr Gerlitz } 423204de7ddaSRoi Dayan 423304de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 423404de7ddaSRoi Dayan { 423504de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 423604de7ddaSRoi Dayan 423704de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 423804de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 423904de7ddaSRoi Dayan } 4240b4a23329SRoi Dayan 4241b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4242b4a23329SRoi Dayan { 4243b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4244b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4245b4a23329SRoi Dayan reoffload_flows_work); 4246b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4247b4a23329SRoi Dayan 4248ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4249b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4250b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4251ad86755bSVlad Buslov unready_flow_del(flow); 4252b4a23329SRoi Dayan } 4253ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4254b4a23329SRoi Dayan } 4255d6d27782SPaul Blakey 4256d6d27782SPaul Blakey bool mlx5e_tc_rep_update_skb(struct mlx5_cqe64 *cqe, 4257d6d27782SPaul Blakey struct sk_buff *skb) 4258d6d27782SPaul Blakey { 4259d6d27782SPaul Blakey #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 4260d6d27782SPaul Blakey struct tc_skb_ext *tc_skb_ext; 4261d6d27782SPaul Blakey struct mlx5_eswitch *esw; 4262d6d27782SPaul Blakey struct mlx5e_priv *priv; 4263d6d27782SPaul Blakey u32 chain = 0, reg_c0; 4264d6d27782SPaul Blakey int err; 4265d6d27782SPaul Blakey 4266d6d27782SPaul Blakey reg_c0 = (be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK); 4267d6d27782SPaul Blakey if (reg_c0 == MLX5_FS_DEFAULT_FLOW_TAG) 4268d6d27782SPaul Blakey reg_c0 = 0; 4269d6d27782SPaul Blakey 4270d6d27782SPaul Blakey if (!reg_c0) 4271d6d27782SPaul Blakey return true; 4272d6d27782SPaul Blakey 4273d6d27782SPaul Blakey priv = netdev_priv(skb->dev); 4274d6d27782SPaul Blakey esw = priv->mdev->priv.eswitch; 4275d6d27782SPaul Blakey 4276d6d27782SPaul Blakey err = mlx5_eswitch_get_chain_for_tag(esw, reg_c0, &chain); 4277d6d27782SPaul Blakey if (err) { 4278d6d27782SPaul Blakey netdev_dbg(priv->netdev, 4279d6d27782SPaul Blakey "Couldn't find chain for chain tag: %d, err: %d\n", 4280d6d27782SPaul Blakey reg_c0, err); 4281d6d27782SPaul Blakey return false; 4282d6d27782SPaul Blakey } 4283d6d27782SPaul Blakey 4284d6d27782SPaul Blakey if (!chain) 4285d6d27782SPaul Blakey return true; 4286d6d27782SPaul Blakey 4287d6d27782SPaul Blakey tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT); 4288d6d27782SPaul Blakey if (!tc_skb_ext) { 4289d6d27782SPaul Blakey WARN_ON_ONCE(1); 4290d6d27782SPaul Blakey return false; 4291d6d27782SPaul Blakey } 4292d6d27782SPaul Blakey 4293d6d27782SPaul Blakey tc_skb_ext->chain = chain; 4294d6d27782SPaul Blakey #endif /* CONFIG_NET_TC_SKB_EXT */ 4295d6d27782SPaul Blakey 4296d6d27782SPaul Blakey return true; 4297d6d27782SPaul Blakey } 4298