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; 147d79b6df6SOr Gerlitz int num_mod_hdr_actions; 148218d05ceSTonghao Zhang int max_mod_hdr_actions; 149d79b6df6SOr Gerlitz void *mod_hdr_actions; 15098b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 15117091853SOr Gerlitz }; 15217091853SOr Gerlitz 153acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 154b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 155e8f887acSAmir Vadai 15677ab67b7SOr Gerlitz struct mlx5e_hairpin { 15777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 15877ab67b7SOr Gerlitz 15977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1603f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 16177ab67b7SOr Gerlitz u32 tdn; 16277ab67b7SOr Gerlitz u32 tirn; 1633f6d08d1SOr Gerlitz 1643f6d08d1SOr Gerlitz int num_channels; 1653f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1663f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1673f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 16877ab67b7SOr Gerlitz }; 16977ab67b7SOr Gerlitz 1705c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1715c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1725c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1735c65c564SOr Gerlitz 17473edca73SVlad Buslov /* protects flows list */ 17573edca73SVlad Buslov spinlock_t flows_lock; 1765c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1775c65c564SOr Gerlitz struct list_head flows; 178db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 179db76ca24SVlad Buslov * function traversed them. 180db76ca24SVlad Buslov */ 181db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 1825c65c564SOr Gerlitz 183d8822868SOr Gerlitz u16 peer_vhca_id; 184106be53bSOr Gerlitz u8 prio; 1855c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 186e4f9abbdSVlad Buslov refcount_t refcnt; 187db76ca24SVlad Buslov struct completion res_ready; 1885c65c564SOr Gerlitz }; 1895c65c564SOr Gerlitz 19011c9c548SOr Gerlitz struct mod_hdr_key { 19111c9c548SOr Gerlitz int num_actions; 19211c9c548SOr Gerlitz void *actions; 19311c9c548SOr Gerlitz }; 19411c9c548SOr Gerlitz 19511c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 19611c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 19711c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 19811c9c548SOr Gerlitz 19983a52f0dSVlad Buslov /* protects flows list */ 20083a52f0dSVlad Buslov spinlock_t flows_lock; 20111c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 20211c9c548SOr Gerlitz struct list_head flows; 20311c9c548SOr Gerlitz 20411c9c548SOr Gerlitz struct mod_hdr_key key; 20511c9c548SOr Gerlitz 2062b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 207dd58edc3SVlad Buslov 208dd58edc3SVlad Buslov refcount_t refcnt; 209a734d007SVlad Buslov struct completion res_ready; 210a734d007SVlad Buslov int compl_result; 21111c9c548SOr Gerlitz }; 21211c9c548SOr Gerlitz 21311c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 21411c9c548SOr Gerlitz 2155a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2165a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 2175a7e5bcbSVlad Buslov 2185a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 2195a7e5bcbSVlad Buslov { 2205a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 2215a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 2225a7e5bcbSVlad Buslov return flow; 2235a7e5bcbSVlad Buslov } 2245a7e5bcbSVlad Buslov 2255a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 2265a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 2275a7e5bcbSVlad Buslov { 2285a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 2295a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 230c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 2315a7e5bcbSVlad Buslov } 2325a7e5bcbSVlad Buslov } 2335a7e5bcbSVlad Buslov 234226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 235226f2ca3SVlad Buslov { 236226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 237226f2ca3SVlad Buslov smp_mb__before_atomic(); 238226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 239226f2ca3SVlad Buslov } 240226f2ca3SVlad Buslov 241226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 242226f2ca3SVlad Buslov 243c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 244c5d326b2SVlad Buslov unsigned long flag) 245c5d326b2SVlad Buslov { 246c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 247c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 248c5d326b2SVlad Buslov } 249c5d326b2SVlad Buslov 250c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 251c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 252c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 253c5d326b2SVlad Buslov 254226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 255226f2ca3SVlad Buslov { 256226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 257226f2ca3SVlad Buslov smp_mb__before_atomic(); 258226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 259226f2ca3SVlad Buslov } 260226f2ca3SVlad Buslov 261226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 262226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 263226f2ca3SVlad Buslov 264226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 265226f2ca3SVlad Buslov { 266226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 267226f2ca3SVlad Buslov 268226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 269226f2ca3SVlad Buslov smp_mb__after_atomic(); 270226f2ca3SVlad Buslov return ret; 271226f2ca3SVlad Buslov } 272226f2ca3SVlad Buslov 273226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 274226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 275226f2ca3SVlad Buslov 276226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 277226f2ca3SVlad Buslov { 278226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 279226f2ca3SVlad Buslov } 280226f2ca3SVlad Buslov 28184179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 28284179981SPaul Blakey { 28384179981SPaul Blakey return flow_flag_test(flow, FT); 28484179981SPaul Blakey } 28584179981SPaul Blakey 286226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 287226f2ca3SVlad Buslov { 288226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 289226f2ca3SVlad Buslov } 290226f2ca3SVlad Buslov 29111c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 29211c9c548SOr Gerlitz { 29311c9c548SOr Gerlitz return jhash(key->actions, 29411c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 29511c9c548SOr Gerlitz } 29611c9c548SOr Gerlitz 29711c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 29811c9c548SOr Gerlitz struct mod_hdr_key *b) 29911c9c548SOr Gerlitz { 30011c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 30111c9c548SOr Gerlitz return 1; 30211c9c548SOr Gerlitz 30311c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 30411c9c548SOr Gerlitz } 30511c9c548SOr Gerlitz 306dd58edc3SVlad Buslov static struct mod_hdr_tbl * 307dd58edc3SVlad Buslov get_mod_hdr_table(struct mlx5e_priv *priv, int namespace) 308dd58edc3SVlad Buslov { 309dd58edc3SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 310dd58edc3SVlad Buslov 311dd58edc3SVlad Buslov return namespace == MLX5_FLOW_NAMESPACE_FDB ? &esw->offloads.mod_hdr : 312dd58edc3SVlad Buslov &priv->fs.tc.mod_hdr; 313dd58edc3SVlad Buslov } 314dd58edc3SVlad Buslov 315dd58edc3SVlad Buslov static struct mlx5e_mod_hdr_entry * 316dd58edc3SVlad Buslov mlx5e_mod_hdr_get(struct mod_hdr_tbl *tbl, struct mod_hdr_key *key, u32 hash_key) 317dd58edc3SVlad Buslov { 318dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh, *found = NULL; 319dd58edc3SVlad Buslov 320dd58edc3SVlad Buslov hash_for_each_possible(tbl->hlist, mh, mod_hdr_hlist, hash_key) { 321dd58edc3SVlad Buslov if (!cmp_mod_hdr_info(&mh->key, key)) { 322dd58edc3SVlad Buslov refcount_inc(&mh->refcnt); 323dd58edc3SVlad Buslov found = mh; 324dd58edc3SVlad Buslov break; 325dd58edc3SVlad Buslov } 326dd58edc3SVlad Buslov } 327dd58edc3SVlad Buslov 328dd58edc3SVlad Buslov return found; 329dd58edc3SVlad Buslov } 330dd58edc3SVlad Buslov 331dd58edc3SVlad Buslov static void mlx5e_mod_hdr_put(struct mlx5e_priv *priv, 332d2faae25SVlad Buslov struct mlx5e_mod_hdr_entry *mh, 333d2faae25SVlad Buslov int namespace) 334dd58edc3SVlad Buslov { 335d2faae25SVlad Buslov struct mod_hdr_tbl *tbl = get_mod_hdr_table(priv, namespace); 336d2faae25SVlad Buslov 337d2faae25SVlad Buslov if (!refcount_dec_and_mutex_lock(&mh->refcnt, &tbl->lock)) 338dd58edc3SVlad Buslov return; 339d2faae25SVlad Buslov hash_del(&mh->mod_hdr_hlist); 340d2faae25SVlad Buslov mutex_unlock(&tbl->lock); 341dd58edc3SVlad Buslov 342dd58edc3SVlad Buslov WARN_ON(!list_empty(&mh->flows)); 343a734d007SVlad Buslov if (mh->compl_result > 0) 3442b688ea5SMaor Gottlieb mlx5_modify_header_dealloc(priv->mdev, mh->modify_hdr); 345d2faae25SVlad Buslov 346dd58edc3SVlad Buslov kfree(mh); 347dd58edc3SVlad Buslov } 348dd58edc3SVlad Buslov 349d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 350d2faae25SVlad Buslov { 351d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 352d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 353d2faae25SVlad Buslov } 35411c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 35511c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 35611c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 35711c9c548SOr Gerlitz { 35811c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 35911c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 360dd58edc3SVlad Buslov struct mod_hdr_tbl *tbl; 36111c9c548SOr Gerlitz struct mod_hdr_key key; 36211c9c548SOr Gerlitz u32 hash_key; 36311c9c548SOr Gerlitz 36411c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 36511c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 36611c9c548SOr Gerlitz 36711c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 36811c9c548SOr Gerlitz key.num_actions = num_actions; 36911c9c548SOr Gerlitz 37011c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 37111c9c548SOr Gerlitz 372d2faae25SVlad Buslov namespace = get_flow_name_space(flow); 373dd58edc3SVlad Buslov tbl = get_mod_hdr_table(priv, namespace); 37411c9c548SOr Gerlitz 375d2faae25SVlad Buslov mutex_lock(&tbl->lock); 376dd58edc3SVlad Buslov mh = mlx5e_mod_hdr_get(tbl, &key, hash_key); 377a734d007SVlad Buslov if (mh) { 378a734d007SVlad Buslov mutex_unlock(&tbl->lock); 379a734d007SVlad Buslov wait_for_completion(&mh->res_ready); 380a734d007SVlad Buslov 381a734d007SVlad Buslov if (mh->compl_result < 0) { 382a734d007SVlad Buslov err = -EREMOTEIO; 383a734d007SVlad Buslov goto attach_header_err; 384a734d007SVlad Buslov } 38511c9c548SOr Gerlitz goto attach_flow; 386a734d007SVlad Buslov } 38711c9c548SOr Gerlitz 38811c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 389d2faae25SVlad Buslov if (!mh) { 390a734d007SVlad Buslov mutex_unlock(&tbl->lock); 391a734d007SVlad Buslov return -ENOMEM; 392d2faae25SVlad Buslov } 39311c9c548SOr Gerlitz 39411c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 39511c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 39611c9c548SOr Gerlitz mh->key.num_actions = num_actions; 39783a52f0dSVlad Buslov spin_lock_init(&mh->flows_lock); 39811c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 399dd58edc3SVlad Buslov refcount_set(&mh->refcnt, 1); 400a734d007SVlad Buslov init_completion(&mh->res_ready); 401a734d007SVlad Buslov 402a734d007SVlad Buslov hash_add(tbl->hlist, &mh->mod_hdr_hlist, hash_key); 403a734d007SVlad Buslov mutex_unlock(&tbl->lock); 40411c9c548SOr Gerlitz 4052b688ea5SMaor Gottlieb mh->modify_hdr = mlx5_modify_header_alloc(priv->mdev, namespace, 40611c9c548SOr Gerlitz mh->key.num_actions, 4072b688ea5SMaor Gottlieb mh->key.actions); 4082b688ea5SMaor Gottlieb if (IS_ERR(mh->modify_hdr)) { 4092b688ea5SMaor Gottlieb err = PTR_ERR(mh->modify_hdr); 410a734d007SVlad Buslov mh->compl_result = err; 411a734d007SVlad Buslov goto alloc_header_err; 412a734d007SVlad Buslov } 413a734d007SVlad Buslov mh->compl_result = 1; 414a734d007SVlad Buslov complete_all(&mh->res_ready); 41511c9c548SOr Gerlitz 41611c9c548SOr Gerlitz attach_flow: 417dd58edc3SVlad Buslov flow->mh = mh; 41883a52f0dSVlad Buslov spin_lock(&mh->flows_lock); 41911c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 42083a52f0dSVlad Buslov spin_unlock(&mh->flows_lock); 421d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 4222b688ea5SMaor Gottlieb flow->esw_attr->modify_hdr = mh->modify_hdr; 42311c9c548SOr Gerlitz else 4242b688ea5SMaor Gottlieb flow->nic_attr->modify_hdr = mh->modify_hdr; 42511c9c548SOr Gerlitz 42611c9c548SOr Gerlitz return 0; 42711c9c548SOr Gerlitz 428a734d007SVlad Buslov alloc_header_err: 429a734d007SVlad Buslov complete_all(&mh->res_ready); 430a734d007SVlad Buslov attach_header_err: 431a734d007SVlad Buslov mlx5e_mod_hdr_put(priv, mh, namespace); 43211c9c548SOr Gerlitz return err; 43311c9c548SOr Gerlitz } 43411c9c548SOr Gerlitz 43511c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 43611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 43711c9c548SOr Gerlitz { 4385a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 439dd58edc3SVlad Buslov if (!flow->mh) 4405a7e5bcbSVlad Buslov return; 4415a7e5bcbSVlad Buslov 44283a52f0dSVlad Buslov spin_lock(&flow->mh->flows_lock); 44311c9c548SOr Gerlitz list_del(&flow->mod_hdr); 44483a52f0dSVlad Buslov spin_unlock(&flow->mh->flows_lock); 44511c9c548SOr Gerlitz 446d2faae25SVlad Buslov mlx5e_mod_hdr_put(priv, flow->mh, get_flow_name_space(flow)); 447dd58edc3SVlad Buslov flow->mh = NULL; 44811c9c548SOr Gerlitz } 44911c9c548SOr Gerlitz 45077ab67b7SOr Gerlitz static 45177ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 45277ab67b7SOr Gerlitz { 45377ab67b7SOr Gerlitz struct net_device *netdev; 45477ab67b7SOr Gerlitz struct mlx5e_priv *priv; 45577ab67b7SOr Gerlitz 45677ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 45777ab67b7SOr Gerlitz priv = netdev_priv(netdev); 45877ab67b7SOr Gerlitz return priv->mdev; 45977ab67b7SOr Gerlitz } 46077ab67b7SOr Gerlitz 46177ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 46277ab67b7SOr Gerlitz { 46377ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 46477ab67b7SOr Gerlitz void *tirc; 46577ab67b7SOr Gerlitz int err; 46677ab67b7SOr Gerlitz 46777ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 46877ab67b7SOr Gerlitz if (err) 46977ab67b7SOr Gerlitz goto alloc_tdn_err; 47077ab67b7SOr Gerlitz 47177ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 47277ab67b7SOr Gerlitz 47377ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 474ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 47577ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 47677ab67b7SOr Gerlitz 47777ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 47877ab67b7SOr Gerlitz if (err) 47977ab67b7SOr Gerlitz goto create_tir_err; 48077ab67b7SOr Gerlitz 48177ab67b7SOr Gerlitz return 0; 48277ab67b7SOr Gerlitz 48377ab67b7SOr Gerlitz create_tir_err: 48477ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 48577ab67b7SOr Gerlitz alloc_tdn_err: 48677ab67b7SOr Gerlitz return err; 48777ab67b7SOr Gerlitz } 48877ab67b7SOr Gerlitz 48977ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 49077ab67b7SOr Gerlitz { 49177ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 49277ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 49377ab67b7SOr Gerlitz } 49477ab67b7SOr Gerlitz 4953f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 4963f6d08d1SOr Gerlitz { 4973f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 4983f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4993f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 5003f6d08d1SOr Gerlitz 5013f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 5023f6d08d1SOr Gerlitz hp->num_channels); 5033f6d08d1SOr Gerlitz 5043f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 5053f6d08d1SOr Gerlitz ix = i; 506bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 5073f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 5083f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 5093f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 5103f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5113f6d08d1SOr Gerlitz } 5123f6d08d1SOr Gerlitz } 5133f6d08d1SOr Gerlitz 5143f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5153f6d08d1SOr Gerlitz { 5163f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 5173f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5183f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5193f6d08d1SOr Gerlitz void *rqtc; 5203f6d08d1SOr Gerlitz u32 *in; 5213f6d08d1SOr Gerlitz 5223f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5233f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5243f6d08d1SOr Gerlitz if (!in) 5253f6d08d1SOr Gerlitz return -ENOMEM; 5263f6d08d1SOr Gerlitz 5273f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5283f6d08d1SOr Gerlitz 5293f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5303f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5313f6d08d1SOr Gerlitz 5323f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5333f6d08d1SOr Gerlitz 5343f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5353f6d08d1SOr Gerlitz if (!err) 5363f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5373f6d08d1SOr Gerlitz 5383f6d08d1SOr Gerlitz kvfree(in); 5393f6d08d1SOr Gerlitz return err; 5403f6d08d1SOr Gerlitz } 5413f6d08d1SOr Gerlitz 5423f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5433f6d08d1SOr Gerlitz { 5443f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5453f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5463f6d08d1SOr Gerlitz int tt, i, err; 5473f6d08d1SOr Gerlitz void *tirc; 5483f6d08d1SOr Gerlitz 5493f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 550d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 551d930ac79SAya Levin 5523f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5533f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5543f6d08d1SOr Gerlitz 5553f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5563f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5573f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 558bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 559bbeb53b8SAya Levin 5603f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 5613f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 5623f6d08d1SOr Gerlitz if (err) { 5633f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5643f6d08d1SOr Gerlitz goto err_destroy_tirs; 5653f6d08d1SOr Gerlitz } 5663f6d08d1SOr Gerlitz } 5673f6d08d1SOr Gerlitz return 0; 5683f6d08d1SOr Gerlitz 5693f6d08d1SOr Gerlitz err_destroy_tirs: 5703f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 5713f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 5723f6d08d1SOr Gerlitz return err; 5733f6d08d1SOr Gerlitz } 5743f6d08d1SOr Gerlitz 5753f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5763f6d08d1SOr Gerlitz { 5773f6d08d1SOr Gerlitz int tt; 5783f6d08d1SOr Gerlitz 5793f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5803f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 5813f6d08d1SOr Gerlitz } 5823f6d08d1SOr Gerlitz 5833f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5843f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5853f6d08d1SOr Gerlitz { 5863f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5873f6d08d1SOr Gerlitz int tt; 5883f6d08d1SOr Gerlitz 5893f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5903f6d08d1SOr Gerlitz 5913f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 5923f6d08d1SOr Gerlitz 5933f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5943f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 5953f6d08d1SOr Gerlitz 5966412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 5973f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 5983f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 5993f6d08d1SOr Gerlitz } 6003f6d08d1SOr Gerlitz 6013f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6023f6d08d1SOr Gerlitz { 6033f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6043f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6053f6d08d1SOr Gerlitz int err; 6063f6d08d1SOr Gerlitz 6073f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6083f6d08d1SOr Gerlitz if (err) 6093f6d08d1SOr Gerlitz return err; 6103f6d08d1SOr Gerlitz 6113f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6123f6d08d1SOr Gerlitz if (err) 6133f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6143f6d08d1SOr Gerlitz 6153f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6163f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6173f6d08d1SOr Gerlitz if (err) 6183f6d08d1SOr Gerlitz goto err_create_ttc_table; 6193f6d08d1SOr Gerlitz 6203f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6213f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6223f6d08d1SOr Gerlitz 6233f6d08d1SOr Gerlitz return 0; 6243f6d08d1SOr Gerlitz 6253f6d08d1SOr Gerlitz err_create_ttc_table: 6263f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6273f6d08d1SOr Gerlitz err_create_indirect_tirs: 6283f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6293f6d08d1SOr Gerlitz 6303f6d08d1SOr Gerlitz return err; 6313f6d08d1SOr Gerlitz } 6323f6d08d1SOr Gerlitz 6333f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6343f6d08d1SOr Gerlitz { 6353f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6363f6d08d1SOr Gerlitz 6373f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6383f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6393f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6403f6d08d1SOr Gerlitz } 6413f6d08d1SOr Gerlitz 64277ab67b7SOr Gerlitz static struct mlx5e_hairpin * 64377ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 64477ab67b7SOr Gerlitz int peer_ifindex) 64577ab67b7SOr Gerlitz { 64677ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 64777ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 64877ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 64977ab67b7SOr Gerlitz int err; 65077ab67b7SOr Gerlitz 65177ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 65277ab67b7SOr Gerlitz if (!hp) 65377ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 65477ab67b7SOr Gerlitz 65577ab67b7SOr Gerlitz func_mdev = priv->mdev; 65677ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 65777ab67b7SOr Gerlitz 65877ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 65977ab67b7SOr Gerlitz if (IS_ERR(pair)) { 66077ab67b7SOr Gerlitz err = PTR_ERR(pair); 66177ab67b7SOr Gerlitz goto create_pair_err; 66277ab67b7SOr Gerlitz } 66377ab67b7SOr Gerlitz hp->pair = pair; 66477ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6653f6d08d1SOr Gerlitz hp->func_priv = priv; 6663f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 66777ab67b7SOr Gerlitz 66877ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 66977ab67b7SOr Gerlitz if (err) 67077ab67b7SOr Gerlitz goto create_transport_err; 67177ab67b7SOr Gerlitz 6723f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6733f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6743f6d08d1SOr Gerlitz if (err) 6753f6d08d1SOr Gerlitz goto rss_init_err; 6763f6d08d1SOr Gerlitz } 6773f6d08d1SOr Gerlitz 67877ab67b7SOr Gerlitz return hp; 67977ab67b7SOr Gerlitz 6803f6d08d1SOr Gerlitz rss_init_err: 6813f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 68277ab67b7SOr Gerlitz create_transport_err: 68377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 68477ab67b7SOr Gerlitz create_pair_err: 68577ab67b7SOr Gerlitz kfree(hp); 68677ab67b7SOr Gerlitz return ERR_PTR(err); 68777ab67b7SOr Gerlitz } 68877ab67b7SOr Gerlitz 68977ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 69077ab67b7SOr Gerlitz { 6913f6d08d1SOr Gerlitz if (hp->num_channels > 1) 6923f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 69377ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 69477ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 69577ab67b7SOr Gerlitz kvfree(hp); 69677ab67b7SOr Gerlitz } 69777ab67b7SOr Gerlitz 698106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 699106be53bSOr Gerlitz { 700106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 701106be53bSOr Gerlitz } 702106be53bSOr Gerlitz 7035c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 704106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7055c65c564SOr Gerlitz { 7065c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 707106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7085c65c564SOr Gerlitz 7095c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 710106be53bSOr Gerlitz hairpin_hlist, hash_key) { 711e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 712e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7135c65c564SOr Gerlitz return hpe; 7145c65c564SOr Gerlitz } 715e4f9abbdSVlad Buslov } 7165c65c564SOr Gerlitz 7175c65c564SOr Gerlitz return NULL; 7185c65c564SOr Gerlitz } 7195c65c564SOr Gerlitz 720e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 721e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 722e4f9abbdSVlad Buslov { 723e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 724b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 725e4f9abbdSVlad Buslov return; 726b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 727b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 728e4f9abbdSVlad Buslov 729db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 730e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 731e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 732e4f9abbdSVlad Buslov 733e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 734db76ca24SVlad Buslov } 735db76ca24SVlad Buslov 736db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 737e4f9abbdSVlad Buslov kfree(hpe); 738e4f9abbdSVlad Buslov } 739e4f9abbdSVlad Buslov 740106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 741106be53bSOr Gerlitz 742106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 743e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 744e98bedf5SEli Britstein struct netlink_ext_ack *extack) 745106be53bSOr Gerlitz { 746106be53bSOr Gerlitz void *headers_c, *headers_v; 747106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 748106be53bSOr Gerlitz bool vlan_present; 749106be53bSOr Gerlitz 750106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 751106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 752e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 753e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 754106be53bSOr Gerlitz return -EOPNOTSUPP; 755106be53bSOr Gerlitz } 756106be53bSOr Gerlitz #endif 757106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 758106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 759106be53bSOr Gerlitz 760106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 761106be53bSOr Gerlitz if (vlan_present) { 762106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 763106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 764106be53bSOr Gerlitz } 765106be53bSOr Gerlitz 766106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 767106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 768106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 769e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 770e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 771106be53bSOr Gerlitz return -EOPNOTSUPP; 772106be53bSOr Gerlitz } 773106be53bSOr Gerlitz 774106be53bSOr Gerlitz *match_prio = prio_val; 775106be53bSOr Gerlitz return 0; 776106be53bSOr Gerlitz } 777106be53bSOr Gerlitz 7785c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7795c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 780e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 781e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7825c65c564SOr Gerlitz { 78398b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7845c65c564SOr Gerlitz struct mlx5_hairpin_params params; 785d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7865c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7875c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7883f6d08d1SOr Gerlitz u64 link_speed64; 7893f6d08d1SOr Gerlitz u32 link_speed; 790106be53bSOr Gerlitz u8 match_prio; 791d8822868SOr Gerlitz u16 peer_id; 7925c65c564SOr Gerlitz int err; 7935c65c564SOr Gerlitz 794d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 795d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 796e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 7975c65c564SOr Gerlitz return -EOPNOTSUPP; 7985c65c564SOr Gerlitz } 7995c65c564SOr Gerlitz 800d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 801e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 802e98bedf5SEli Britstein extack); 803106be53bSOr Gerlitz if (err) 804106be53bSOr Gerlitz return err; 805b32accdaSVlad Buslov 806b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 807106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 808db76ca24SVlad Buslov if (hpe) { 809db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 810db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 811db76ca24SVlad Buslov 812db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 813db76ca24SVlad Buslov err = -EREMOTEIO; 814db76ca24SVlad Buslov goto out_err; 815db76ca24SVlad Buslov } 8165c65c564SOr Gerlitz goto attach_flow; 817db76ca24SVlad Buslov } 8185c65c564SOr Gerlitz 8195c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 820b32accdaSVlad Buslov if (!hpe) { 821db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 822db76ca24SVlad Buslov return -ENOMEM; 823b32accdaSVlad Buslov } 8245c65c564SOr Gerlitz 82573edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8265c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 827db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 828d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 829106be53bSOr Gerlitz hpe->prio = match_prio; 830e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 831db76ca24SVlad Buslov init_completion(&hpe->res_ready); 832db76ca24SVlad Buslov 833db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 834db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 835db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8365c65c564SOr Gerlitz 8375c65c564SOr Gerlitz params.log_data_size = 15; 8385c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8395c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8405c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8415c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8425c65c564SOr Gerlitz 843eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 844eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 845eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 846eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 847eb9180f7SOr Gerlitz 848eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8493f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8502c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8513f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8523f6d08d1SOr Gerlitz link_speed64 = link_speed; 8533f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8543f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8553f6d08d1SOr Gerlitz 8565c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 857db76ca24SVlad Buslov hpe->hp = hp; 858db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8595c65c564SOr Gerlitz if (IS_ERR(hp)) { 8605c65c564SOr Gerlitz err = PTR_ERR(hp); 861db76ca24SVlad Buslov goto out_err; 8625c65c564SOr Gerlitz } 8635c65c564SOr Gerlitz 864eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 86527b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 86627b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 867eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8685c65c564SOr Gerlitz 8695c65c564SOr Gerlitz attach_flow: 8703f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 871226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 8723f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 8733f6d08d1SOr Gerlitz } else { 8745c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 8753f6d08d1SOr Gerlitz } 876b32accdaSVlad Buslov 877e4f9abbdSVlad Buslov flow->hpe = hpe; 87873edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8795c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 88073edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8813f6d08d1SOr Gerlitz 8825c65c564SOr Gerlitz return 0; 8835c65c564SOr Gerlitz 884db76ca24SVlad Buslov out_err: 885db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 8865c65c564SOr Gerlitz return err; 8875c65c564SOr Gerlitz } 8885c65c564SOr Gerlitz 8895c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 8905c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 8915c65c564SOr Gerlitz { 8925a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 893e4f9abbdSVlad Buslov if (!flow->hpe) 8945a7e5bcbSVlad Buslov return; 8955a7e5bcbSVlad Buslov 89673edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 8975c65c564SOr Gerlitz list_del(&flow->hairpin); 89873edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 89973edca73SVlad Buslov 900e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 901e4f9abbdSVlad Buslov flow->hpe = NULL; 9025c65c564SOr Gerlitz } 9035c65c564SOr Gerlitz 904c83954abSRabie Loulou static int 90574491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 90617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 907e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 908e98bedf5SEli Britstein struct netlink_ext_ack *extack) 909e8f887acSAmir Vadai { 910bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 911aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 912aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 9135c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 91466958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9153bc4b7bfSOr Gerlitz .action = attr->action, 916bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 91766958ed9SHadar Hen Zion }; 918aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 9195c65c564SOr Gerlitz int err, dest_ix = 0; 920e8f887acSAmir Vadai 921bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 922bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 923bb0ee7dcSJianbo Liu 924226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 925e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 9265a7e5bcbSVlad Buslov if (err) 9275a7e5bcbSVlad Buslov return err; 9285a7e5bcbSVlad Buslov 929226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 9303f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9313f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 9323f6d08d1SOr Gerlitz } else { 9335c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 9345c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 9353f6d08d1SOr Gerlitz } 9363f6d08d1SOr Gerlitz dest_ix++; 9373f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9385c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9395c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 9405c65c564SOr Gerlitz dest_ix++; 9415c65c564SOr Gerlitz } 942aad7e08dSAmir Vadai 9435c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9445c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 9455a7e5bcbSVlad Buslov if (IS_ERR(counter)) 9465a7e5bcbSVlad Buslov return PTR_ERR(counter); 9475a7e5bcbSVlad Buslov 9485c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 949171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 9505c65c564SOr Gerlitz dest_ix++; 951b8aee822SMark Bloch attr->counter = counter; 952aad7e08dSAmir Vadai } 953aad7e08dSAmir Vadai 9542f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9553099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 9562b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9572f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 958c83954abSRabie Loulou if (err) 9595a7e5bcbSVlad Buslov return err; 9602f4fe4caSOr Gerlitz } 9612f4fe4caSOr Gerlitz 962b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 963acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 96461dc7b01SPaul Blakey struct mlx5_flow_table_attr ft_attr = {}; 96561dc7b01SPaul Blakey int tc_grp_size, tc_tbl_size, tc_num_grps; 96621b9c144SOr Gerlitz u32 max_flow_counter; 96721b9c144SOr Gerlitz 96821b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 96921b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 97021b9c144SOr Gerlitz 97121b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 97221b9c144SOr Gerlitz 97321b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 97421b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 97561dc7b01SPaul Blakey tc_num_grps = MLX5E_TC_TABLE_NUM_GROUPS; 97621b9c144SOr Gerlitz 97761dc7b01SPaul Blakey ft_attr.prio = MLX5E_TC_PRIO; 97861dc7b01SPaul Blakey ft_attr.max_fte = tc_tbl_size; 97961dc7b01SPaul Blakey ft_attr.level = MLX5E_TC_FT_LEVEL; 98061dc7b01SPaul Blakey ft_attr.autogroup.max_num_groups = tc_num_grps; 981acff797cSMaor Gottlieb priv->fs.tc.t = 982acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 98361dc7b01SPaul Blakey &ft_attr); 984acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 985b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 986e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 987e98bedf5SEli Britstein "Failed to create tc offload table\n"); 988e8f887acSAmir Vadai netdev_err(priv->netdev, 989e8f887acSAmir Vadai "Failed to create tc offload table\n"); 9905a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 991e8f887acSAmir Vadai } 992e8f887acSAmir Vadai } 993e8f887acSAmir Vadai 99438aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 995d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 99638aa51c1SOr Gerlitz 997c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 9985c65c564SOr Gerlitz &flow_act, dest, dest_ix); 999b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 1000e8f887acSAmir Vadai 1001a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1002e8f887acSAmir Vadai } 1003e8f887acSAmir Vadai 1004d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1005d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1006d85cdccbSOr Gerlitz { 1007513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1008d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 1009d85cdccbSOr Gerlitz 1010b8aee822SMark Bloch counter = attr->counter; 10115a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1012e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1013d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1014d85cdccbSOr Gerlitz 1015b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1016226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1017d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1018d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1019d85cdccbSOr Gerlitz } 1020b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 10212f4fe4caSOr Gerlitz 1022513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10233099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 10245c65c564SOr Gerlitz 1025226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 10265c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1027d85cdccbSOr Gerlitz } 1028d85cdccbSOr Gerlitz 1029aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 10308c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1031aa0cbbaeSOr Gerlitz 10323c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1033e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1034733d4f36SRoi Dayan struct net_device *mirred_dev, 1035733d4f36SRoi Dayan int out_index, 10368c4dc42bSEli Britstein struct netlink_ext_ack *extack, 10370ad060eeSRoi Dayan struct net_device **encap_dev, 10380ad060eeSRoi Dayan bool *encap_valid); 10393c37745eSOr Gerlitz 10406d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 10416d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 10426d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10436d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 10446d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10456d2a3ed0SOr Gerlitz { 10466d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10476d2a3ed0SOr Gerlitz 10486d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 10496d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 10506d2a3ed0SOr Gerlitz return rule; 10516d2a3ed0SOr Gerlitz 1052e85e02baSEli Britstein if (attr->split_count) { 10536d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 10546d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 10556d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 10566d2a3ed0SOr Gerlitz return flow->rule[1]; 10576d2a3ed0SOr Gerlitz } 10586d2a3ed0SOr Gerlitz } 10596d2a3ed0SOr Gerlitz 10606d2a3ed0SOr Gerlitz return rule; 10616d2a3ed0SOr Gerlitz } 10626d2a3ed0SOr Gerlitz 10636d2a3ed0SOr Gerlitz static void 10646d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 10656d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10666d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10676d2a3ed0SOr Gerlitz { 1068226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 10696d2a3ed0SOr Gerlitz 1070e85e02baSEli Britstein if (attr->split_count) 10716d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 10726d2a3ed0SOr Gerlitz 10736d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 10746d2a3ed0SOr Gerlitz } 10756d2a3ed0SOr Gerlitz 10765dbe906fSPaul Blakey static struct mlx5_flow_handle * 10775dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 10785dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1079178f69b4SEli Cohen struct mlx5_flow_spec *spec) 10805dbe906fSPaul Blakey { 1081178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 10825dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 10835dbe906fSPaul Blakey 1084178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1085178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1086178f69b4SEli Cohen slow_attr.split_count = 0; 1087178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 10885dbe906fSPaul Blakey 1089178f69b4SEli Cohen rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, &slow_attr); 10905dbe906fSPaul Blakey if (!IS_ERR(rule)) 1091226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 10925dbe906fSPaul Blakey 10935dbe906fSPaul Blakey return rule; 10945dbe906fSPaul Blakey } 10955dbe906fSPaul Blakey 10965dbe906fSPaul Blakey static void 10975dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1098178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 10995dbe906fSPaul Blakey { 1100178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 1101178f69b4SEli Cohen 1102178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1103178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1104178f69b4SEli Cohen slow_attr.split_count = 0; 1105178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1106178f69b4SEli Cohen mlx5e_tc_unoffload_fdb_rules(esw, flow, &slow_attr); 1107226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 11085dbe906fSPaul Blakey } 11095dbe906fSPaul Blakey 1110ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1111ad86755bSVlad Buslov * function. 1112ad86755bSVlad Buslov */ 1113ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1114ad86755bSVlad Buslov struct list_head *unready_flows) 1115ad86755bSVlad Buslov { 1116ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1117ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1118ad86755bSVlad Buslov } 1119ad86755bSVlad Buslov 1120ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1121ad86755bSVlad Buslov * function. 1122ad86755bSVlad Buslov */ 1123ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1124ad86755bSVlad Buslov { 1125ad86755bSVlad Buslov list_del(&flow->unready); 1126ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1127ad86755bSVlad Buslov } 1128ad86755bSVlad Buslov 1129b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1130b4a23329SRoi Dayan { 1131b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1132b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1133b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1134b4a23329SRoi Dayan 1135b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1136b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1137b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1138b4a23329SRoi Dayan 1139ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1140ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1141ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1142b4a23329SRoi Dayan } 1143b4a23329SRoi Dayan 1144b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1145b4a23329SRoi Dayan { 1146ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1147ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1148ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1149ad86755bSVlad Buslov 1150ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1151ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1152ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1153ad86755bSVlad Buslov 1154ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1155ad86755bSVlad Buslov unready_flow_del(flow); 1156ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1157b4a23329SRoi Dayan } 1158b4a23329SRoi Dayan 1159c83954abSRabie Loulou static int 116074491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1161e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1162e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1163adb4c123SOr Gerlitz { 1164adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1165aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 11667040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 11673c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1168b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 11693c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 11703c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 11710ad060eeSRoi Dayan bool encap_valid = true; 117239ac237cSPaul Blakey u32 max_prio, max_chain; 11730ad060eeSRoi Dayan int err = 0; 1174f493f155SEli Britstein int out_index; 11758b32580dSOr Gerlitz 117639ac237cSPaul Blakey if (!mlx5_esw_chains_prios_supported(esw) && attr->prio != 1) { 117761644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 117861644c3dSRoi Dayan "E-switch priorities unsupported, upgrade FW"); 1179d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1180d14f6f2aSOr Gerlitz } 1181e52c2802SPaul Blakey 118284179981SPaul Blakey /* We check chain range only for tc flows. 118384179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 118484179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 118584179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 118684179981SPaul Blakey */ 118739ac237cSPaul Blakey max_chain = mlx5_esw_chains_get_chain_range(esw); 118884179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 118961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 119061644c3dSRoi Dayan "Requested chain is out of supported range"); 11915a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1192bf07aa73SPaul Blakey } 1193bf07aa73SPaul Blakey 119439ac237cSPaul Blakey max_prio = mlx5_esw_chains_get_prio_range(esw); 1195bf07aa73SPaul Blakey if (attr->prio > max_prio) { 119661644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 119761644c3dSRoi Dayan "Requested priority is out of supported range"); 11985a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1199bf07aa73SPaul Blakey } 1200bf07aa73SPaul Blakey 1201f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 12028c4dc42bSEli Britstein int mirred_ifindex; 12038c4dc42bSEli Britstein 1204f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1205f493f155SEli Britstein continue; 1206f493f155SEli Britstein 12077040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 12083c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 12098c4dc42bSEli Britstein mirred_ifindex); 1210733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 12110ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 12120ad060eeSRoi Dayan if (err) 12135a7e5bcbSVlad Buslov return err; 12140ad060eeSRoi Dayan 12153c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 12163c37745eSOr Gerlitz rpriv = out_priv->ppriv; 12171cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 12181cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 12193c37745eSOr Gerlitz } 12203c37745eSOr Gerlitz 12218b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1222c83954abSRabie Loulou if (err) 12235a7e5bcbSVlad Buslov return err; 1224adb4c123SOr Gerlitz 1225d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 12261a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1227d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1228c83954abSRabie Loulou if (err) 12295a7e5bcbSVlad Buslov return err; 1230d7e75a32SOr Gerlitz } 1231d7e75a32SOr Gerlitz 1232b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1233f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 12345a7e5bcbSVlad Buslov if (IS_ERR(counter)) 12355a7e5bcbSVlad Buslov return PTR_ERR(counter); 1236b8aee822SMark Bloch 1237b8aee822SMark Bloch attr->counter = counter; 1238b8aee822SMark Bloch } 1239b8aee822SMark Bloch 12400ad060eeSRoi Dayan /* we get here if one of the following takes place: 12410ad060eeSRoi Dayan * (1) there's no error 12420ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 12433c37745eSOr Gerlitz */ 1244bc1d75faSRoi Dayan if (!encap_valid) 1245178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1246bc1d75faSRoi Dayan else 12476d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 12485dbe906fSPaul Blakey 12495a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 12505a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1251226f2ca3SVlad Buslov else 1252226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1253c83954abSRabie Loulou 12545dbe906fSPaul Blakey return 0; 1255aa0cbbaeSOr Gerlitz } 1256d85cdccbSOr Gerlitz 12579272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 12589272e3dfSYevgeny Kliteynik { 12599272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 12609272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 12619272e3dfSYevgeny Kliteynik spec->match_value, 12629272e3dfSYevgeny Kliteynik misc_parameters_3); 12639272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 12649272e3dfSYevgeny Kliteynik headers_v, 12659272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 12669272e3dfSYevgeny Kliteynik 12679272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 12689272e3dfSYevgeny Kliteynik } 12699272e3dfSYevgeny Kliteynik 1270d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1271d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1272d85cdccbSOr Gerlitz { 1273d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1274d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 1275f493f155SEli Britstein int out_index; 1276d85cdccbSOr Gerlitz 1277226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1278b4a23329SRoi Dayan remove_unready_flow(flow); 1279ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1280ef06c9eeSRoi Dayan return; 1281ef06c9eeSRoi Dayan } 1282ef06c9eeSRoi Dayan 1283226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1284226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1285178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 12865dbe906fSPaul Blakey else 12875dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 12885dbe906fSPaul Blakey } 1289d85cdccbSOr Gerlitz 12909272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 12919272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 12929272e3dfSYevgeny Kliteynik 1293513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1294d85cdccbSOr Gerlitz 1295f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 12962a4b6526SVlad Buslov if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 12978c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 12982a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 12992a4b6526SVlad Buslov } 1300f493f155SEli Britstein kvfree(attr->parse_attr); 1301d7e75a32SOr Gerlitz 1302513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 13031a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1304b8aee822SMark Bloch 1305b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1306f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1307d85cdccbSOr Gerlitz } 1308d85cdccbSOr Gerlitz 1309232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 13102a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13112a1f1768SVlad Buslov struct list_head *flow_list) 1312232c0013SHadar Hen Zion { 13133c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1314178f69b4SEli Cohen struct mlx5_esw_flow_attr *esw_attr; 13156d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 13166d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1317232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1318232c0013SHadar Hen Zion int err; 1319232c0013SHadar Hen Zion 13202b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 132154c177caSOz Shlomo e->reformat_type, 1322232c0013SHadar Hen Zion e->encap_size, e->encap_header, 13232b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 13242b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 13252b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 13262b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1327232c0013SHadar Hen Zion return; 1328232c0013SHadar Hen Zion } 1329232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1330f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1331232c0013SHadar Hen Zion 13322a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 13338c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 13348c4dc42bSEli Britstein int i; 13358c4dc42bSEli Britstein 133695435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 133795435ad7SVlad Buslov continue; 13383c37745eSOr Gerlitz esw_attr = flow->esw_attr; 13396d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 13406d2a3ed0SOr Gerlitz 13412b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 13422a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 13438c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 13448c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 13458c4dc42bSEli Britstein * a valid neighbour. 13468c4dc42bSEli Britstein */ 13478c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 13488c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 13498c4dc42bSEli Britstein continue; 13508c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 13518c4dc42bSEli Britstein all_flow_encaps_valid = false; 13528c4dc42bSEli Britstein break; 13538c4dc42bSEli Britstein } 13548c4dc42bSEli Britstein } 13558c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 13568c4dc42bSEli Britstein if (!all_flow_encaps_valid) 13572a1f1768SVlad Buslov continue; 13585dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 13596d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 13606d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 13616d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1362232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1363232c0013SHadar Hen Zion err); 13642a1f1768SVlad Buslov continue; 1365232c0013SHadar Hen Zion } 13665dbe906fSPaul Blakey 1367178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 13686d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1369226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1370226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1371232c0013SHadar Hen Zion } 1372232c0013SHadar Hen Zion } 1373232c0013SHadar Hen Zion 1374232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 13752a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13762a1f1768SVlad Buslov struct list_head *flow_list) 1377232c0013SHadar Hen Zion { 13783c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13795dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 13805dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1381232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 13825dbe906fSPaul Blakey int err; 1383232c0013SHadar Hen Zion 13842a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 138595435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 138695435ad7SVlad Buslov continue; 13875dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 13885dbe906fSPaul Blakey 13895dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 1390178f69b4SEli Cohen rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec); 13918c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 13922a1f1768SVlad Buslov flow->esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 13935dbe906fSPaul Blakey 13945dbe906fSPaul Blakey if (IS_ERR(rule)) { 13955dbe906fSPaul Blakey err = PTR_ERR(rule); 13965dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 13975dbe906fSPaul Blakey err); 13982a1f1768SVlad Buslov continue; 13995dbe906fSPaul Blakey } 14005dbe906fSPaul Blakey 14016d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 14025dbe906fSPaul Blakey flow->rule[0] = rule; 1403226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1404226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1405232c0013SHadar Hen Zion } 1406232c0013SHadar Hen Zion 140761c806daSOr Gerlitz /* we know that the encap is valid */ 1408232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 14092b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1410232c0013SHadar Hen Zion } 1411232c0013SHadar Hen Zion 1412b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1413b8aee822SMark Bloch { 1414226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1415b8aee822SMark Bloch return flow->esw_attr->counter; 1416b8aee822SMark Bloch else 1417b8aee822SMark Bloch return flow->nic_attr->counter; 1418b8aee822SMark Bloch } 1419b8aee822SMark Bloch 14202a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 14212a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 14222a1f1768SVlad Buslov */ 14232a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 14242a1f1768SVlad Buslov { 14252a1f1768SVlad Buslov struct encap_flow_item *efi; 14262a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 14272a1f1768SVlad Buslov 14282a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 14292a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 14302a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 14312a1f1768SVlad Buslov continue; 143295435ad7SVlad Buslov wait_for_completion(&flow->init_done); 14332a1f1768SVlad Buslov 14342a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 14352a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 14362a1f1768SVlad Buslov } 14372a1f1768SVlad Buslov } 14382a1f1768SVlad Buslov 14396a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 14402a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 14416a06c2f7SVlad Buslov { 14426a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 14436a06c2f7SVlad Buslov 14446a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 14456a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 14466a06c2f7SVlad Buslov } 14476a06c2f7SVlad Buslov 1448ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1449ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1450ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1451ac0d9176SVlad Buslov { 1452ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1453ac0d9176SVlad Buslov 1454ac0d9176SVlad Buslov retry: 1455ac0d9176SVlad Buslov rcu_read_lock(); 1456ac0d9176SVlad Buslov 1457ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1458ac0d9176SVlad Buslov for (next = e ? 1459ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1460ac0d9176SVlad Buslov &e->encap_list, 1461ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1462ac0d9176SVlad Buslov encap_list) : 1463ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1464ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1465ac0d9176SVlad Buslov encap_list); 1466ac0d9176SVlad Buslov next; 1467ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1468ac0d9176SVlad Buslov &next->encap_list, 1469ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1470ac0d9176SVlad Buslov encap_list)) 1471ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1472ac0d9176SVlad Buslov break; 1473ac0d9176SVlad Buslov 1474ac0d9176SVlad Buslov rcu_read_unlock(); 1475ac0d9176SVlad Buslov 1476ac0d9176SVlad Buslov /* release starting encap */ 1477ac0d9176SVlad Buslov if (e) 1478ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1479ac0d9176SVlad Buslov if (!next) 1480ac0d9176SVlad Buslov return next; 1481ac0d9176SVlad Buslov 1482ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1483ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1484ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1485ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1486ac0d9176SVlad Buslov e = next; 1487ac0d9176SVlad Buslov goto retry; 1488ac0d9176SVlad Buslov } 1489ac0d9176SVlad Buslov 1490ac0d9176SVlad Buslov return next; 1491ac0d9176SVlad Buslov } 1492ac0d9176SVlad Buslov 1493f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1494f6dfb4c3SHadar Hen Zion { 1495f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1496ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1497f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1498f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1499f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1500f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1501f6dfb4c3SHadar Hen Zion struct neighbour *n; 150290bb7692SAriel Levkovich u64 lastuse; 1503f6dfb4c3SHadar Hen Zion 1504f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1505f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1506f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1507f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 15085cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1509f6dfb4c3SHadar Hen Zion #endif 1510f6dfb4c3SHadar Hen Zion else 1511f6dfb4c3SHadar Hen Zion return; 1512f6dfb4c3SHadar Hen Zion 1513ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1514ac0d9176SVlad Buslov * next one. 1515ac0d9176SVlad Buslov */ 1516ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 15176a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 15185a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 15196a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 15206a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1521948993f2SVlad Buslov 15226a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 15236a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 15245a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 152579baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 152679baaec7SEli Britstein encaps[efi->index]); 15275a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15285a7e5bcbSVlad Buslov continue; 15296a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 15305a7e5bcbSVlad Buslov 1531226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1532b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 153390bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1534f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1535f6dfb4c3SHadar Hen Zion neigh_used = true; 1536f6dfb4c3SHadar Hen Zion break; 1537f6dfb4c3SHadar Hen Zion } 1538f6dfb4c3SHadar Hen Zion } 1539f6dfb4c3SHadar Hen Zion } 15406a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1541948993f2SVlad Buslov 15426a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1543ac0d9176SVlad Buslov if (neigh_used) { 1544ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 15456a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1546e36d4810SRoi Dayan break; 1547f6dfb4c3SHadar Hen Zion } 1548ac0d9176SVlad Buslov } 1549f6dfb4c3SHadar Hen Zion 1550c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1551c786fe59SVlad Buslov 1552f6dfb4c3SHadar Hen Zion if (neigh_used) { 1553f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1554f6dfb4c3SHadar Hen Zion 1555f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1556f6dfb4c3SHadar Hen Zion * dst ip pair 1557f6dfb4c3SHadar Hen Zion */ 1558f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1559c7f7ba8dSRoi Dayan if (!n) 1560f6dfb4c3SHadar Hen Zion return; 1561f6dfb4c3SHadar Hen Zion 1562f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1563f6dfb4c3SHadar Hen Zion neigh_release(n); 1564f6dfb4c3SHadar Hen Zion } 1565f6dfb4c3SHadar Hen Zion } 1566f6dfb4c3SHadar Hen Zion 156761086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1568d85cdccbSOr Gerlitz { 1569948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 15703c140dd5SVlad Buslov 15713c140dd5SVlad Buslov if (e->compl_result > 0) { 1572232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1573232c0013SHadar Hen Zion 1574232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 15752b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 15763c140dd5SVlad Buslov } 1577232c0013SHadar Hen Zion 15782a4b6526SVlad Buslov kfree(e->tun_info); 1579232c0013SHadar Hen Zion kfree(e->encap_header); 1580ac0d9176SVlad Buslov kfree_rcu(e, rcu); 15815067b602SRoi Dayan } 1582948993f2SVlad Buslov 158361086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 158461086f39SVlad Buslov { 158561086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 158661086f39SVlad Buslov 158761086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 158861086f39SVlad Buslov return; 158961086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 159061086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 159161086f39SVlad Buslov 159261086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 159361086f39SVlad Buslov } 159461086f39SVlad Buslov 1595948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1596948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1597948993f2SVlad Buslov { 159861086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 159961086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 160061086f39SVlad Buslov 1601948993f2SVlad Buslov /* flow wasn't fully initialized */ 160261086f39SVlad Buslov if (!e) 1603948993f2SVlad Buslov return; 1604948993f2SVlad Buslov 160561086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1606948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1607948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 160861086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 160961086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 161061086f39SVlad Buslov return; 161161086f39SVlad Buslov } 161261086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 161361086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 161461086f39SVlad Buslov 161561086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 16165067b602SRoi Dayan } 16175067b602SRoi Dayan 161804de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 161904de7ddaSRoi Dayan { 162004de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 162104de7ddaSRoi Dayan 1622226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1623226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 162404de7ddaSRoi Dayan return; 162504de7ddaSRoi Dayan 162604de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 162704de7ddaSRoi Dayan list_del(&flow->peer); 162804de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 162904de7ddaSRoi Dayan 1630226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 163104de7ddaSRoi Dayan 1632eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 163304de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1634a23dae79SRoi Dayan kfree(flow->peer_flow); 1635eb252c3aSRoi Dayan } 1636eb252c3aSRoi Dayan 163704de7ddaSRoi Dayan flow->peer_flow = NULL; 163804de7ddaSRoi Dayan } 163904de7ddaSRoi Dayan 164004de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 164104de7ddaSRoi Dayan { 164204de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 164304de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 164404de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 164504de7ddaSRoi Dayan 164604de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 164704de7ddaSRoi Dayan if (!peer_esw) 164804de7ddaSRoi Dayan return; 164904de7ddaSRoi Dayan 165004de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 165104de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 165204de7ddaSRoi Dayan } 165304de7ddaSRoi Dayan 1654e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1655961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1656e8f887acSAmir Vadai { 1657226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 165804de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1659d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 166004de7ddaSRoi Dayan } else { 1661d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1662e8f887acSAmir Vadai } 166304de7ddaSRoi Dayan } 1664e8f887acSAmir Vadai 1665bbd00f7eSHadar Hen Zion 1666bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1667bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1668f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 16696363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1670bbd00f7eSHadar Hen Zion { 1671e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1672bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1673bbd00f7eSHadar Hen Zion outer_headers); 1674bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1675bbd00f7eSHadar Hen Zion outer_headers); 1676f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 16778f256622SPablo Neira Ayuso int err; 1678bbd00f7eSHadar Hen Zion 1679101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 16806363651dSOr Gerlitz headers_c, headers_v, match_level); 168154c177caSOz Shlomo if (err) { 168254c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 168354c177caSOz Shlomo "failed to parse tunnel attributes"); 1684101f4de9SOz Shlomo return err; 1685bbd00f7eSHadar Hen Zion } 1686bbd00f7eSHadar Hen Zion 1687fe1587a7SDmytro Linkin if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 1688fe1587a7SDmytro Linkin struct flow_match_control match; 1689fe1587a7SDmytro Linkin u16 addr_type; 1690fe1587a7SDmytro Linkin 1691fe1587a7SDmytro Linkin flow_rule_match_enc_control(rule, &match); 1692fe1587a7SDmytro Linkin addr_type = match.key->addr_type; 1693fe1587a7SDmytro Linkin 1694fe1587a7SDmytro Linkin /* For tunnel addr_type used same key id`s as for non-tunnel */ 1695fe1587a7SDmytro Linkin if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 16968f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 16978f256622SPablo Neira Ayuso 16988f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1699bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1700bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 17018f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1702bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1703bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 17048f256622SPablo Neira Ayuso ntohl(match.key->src)); 1705bbd00f7eSHadar Hen Zion 1706bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1707bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 17088f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1709bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1710bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 17118f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1712bbd00f7eSHadar Hen Zion 1713fe1587a7SDmytro Linkin MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, 1714fe1587a7SDmytro Linkin ethertype); 1715fe1587a7SDmytro Linkin MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 1716fe1587a7SDmytro Linkin ETH_P_IP); 1717fe1587a7SDmytro Linkin } else if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 17188f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 171919f44401SOr Gerlitz 17208f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 172119f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 172219f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 1723fe1587a7SDmytro Linkin &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, 1724fe1587a7SDmytro Linkin ipv6)); 172519f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 172619f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 1727fe1587a7SDmytro Linkin &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, 1728fe1587a7SDmytro Linkin ipv6)); 172919f44401SOr Gerlitz 173019f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 173119f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1732fe1587a7SDmytro Linkin &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, 1733fe1587a7SDmytro Linkin ipv6)); 173419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 173519f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1736fe1587a7SDmytro Linkin &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, 1737fe1587a7SDmytro Linkin ipv6)); 173819f44401SOr Gerlitz 1739fe1587a7SDmytro Linkin MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, 1740fe1587a7SDmytro Linkin ethertype); 1741fe1587a7SDmytro Linkin MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 1742fe1587a7SDmytro Linkin ETH_P_IPV6); 1743fe1587a7SDmytro Linkin } 17442e72eb43SOr Gerlitz } 1745bbd00f7eSHadar Hen Zion 17468f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 17478f256622SPablo Neira Ayuso struct flow_match_ip match; 1748bcef735cSOr Gerlitz 17498f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 17508f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 17518f256622SPablo Neira Ayuso match.mask->tos & 0x3); 17528f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 17538f256622SPablo Neira Ayuso match.key->tos & 0x3); 1754bcef735cSOr Gerlitz 17558f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 17568f256622SPablo Neira Ayuso match.mask->tos >> 2); 17578f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 17588f256622SPablo Neira Ayuso match.key->tos >> 2); 1759bcef735cSOr Gerlitz 17608f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 17618f256622SPablo Neira Ayuso match.mask->ttl); 17628f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 17638f256622SPablo Neira Ayuso match.key->ttl); 1764e98bedf5SEli Britstein 17658f256622SPablo Neira Ayuso if (match.mask->ttl && 1766e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1767e98bedf5SEli Britstein (priv->mdev, 1768e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1769e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1770e98bedf5SEli Britstein "Matching on TTL is not supported"); 1771e98bedf5SEli Britstein return -EOPNOTSUPP; 1772e98bedf5SEli Britstein } 1773e98bedf5SEli Britstein 1774bcef735cSOr Gerlitz } 1775bcef735cSOr Gerlitz 1776bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1777bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1778bbd00f7eSHadar Hen Zion */ 1779bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1780bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1781bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1782bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1783bbd00f7eSHadar Hen Zion 1784bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1785bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1786bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1787bbd00f7eSHadar Hen Zion 1788bbd00f7eSHadar Hen Zion return 0; 1789bbd00f7eSHadar Hen Zion } 1790bbd00f7eSHadar Hen Zion 17918377629eSEli Britstein static void *get_match_headers_criteria(u32 flags, 17928377629eSEli Britstein struct mlx5_flow_spec *spec) 17938377629eSEli Britstein { 17948377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 17958377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 17968377629eSEli Britstein inner_headers) : 17978377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 17988377629eSEli Britstein outer_headers); 17998377629eSEli Britstein } 18008377629eSEli Britstein 18018377629eSEli Britstein static void *get_match_headers_value(u32 flags, 18028377629eSEli Britstein struct mlx5_flow_spec *spec) 18038377629eSEli Britstein { 18048377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 18058377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 18068377629eSEli Britstein inner_headers) : 18078377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 18088377629eSEli Britstein outer_headers); 18098377629eSEli Britstein } 18108377629eSEli Britstein 18116d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 18126d65bc64Swenxu struct flow_cls_offload *f) 18136d65bc64Swenxu { 18146d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18156d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 18166d65bc64Swenxu struct net_device *ingress_dev; 18176d65bc64Swenxu struct flow_match_meta match; 18186d65bc64Swenxu 18196d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 18206d65bc64Swenxu return 0; 18216d65bc64Swenxu 18226d65bc64Swenxu flow_rule_match_meta(rule, &match); 18236d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 18246d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 18256d65bc64Swenxu return -EINVAL; 18266d65bc64Swenxu } 18276d65bc64Swenxu 18286d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 18296d65bc64Swenxu match.key->ingress_ifindex); 18306d65bc64Swenxu if (!ingress_dev) { 18316d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 18326d65bc64Swenxu "Can't find the ingress port to match on"); 18336d65bc64Swenxu return -EINVAL; 18346d65bc64Swenxu } 18356d65bc64Swenxu 18366d65bc64Swenxu if (ingress_dev != filter_dev) { 18376d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 18386d65bc64Swenxu "Can't match on the ingress filter port"); 18396d65bc64Swenxu return -EINVAL; 18406d65bc64Swenxu } 18416d65bc64Swenxu 18426d65bc64Swenxu return 0; 18436d65bc64Swenxu } 18446d65bc64Swenxu 1845de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1846de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1847f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 184854c177caSOz Shlomo struct net_device *filter_dev, 184993b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 1850e3a2b7edSAmir Vadai { 1851e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1852c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1853c5bb1730SMaor Gottlieb outer_headers); 1854c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1855c5bb1730SMaor Gottlieb outer_headers); 1856699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1857699e96ddSJianbo Liu misc_parameters); 1858699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1859699e96ddSJianbo Liu misc_parameters); 1860f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18618f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1862e3a2b7edSAmir Vadai u16 addr_type = 0; 1863e3a2b7edSAmir Vadai u8 ip_proto = 0; 186493b3586eSHuy Nguyen u8 *match_level; 18656d65bc64Swenxu int err; 1866e3a2b7edSAmir Vadai 186793b3586eSHuy Nguyen match_level = outer_match_level; 1868de0af0bfSRoi Dayan 18698f256622SPablo Neira Ayuso if (dissector->used_keys & 18703d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 18713d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1872e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1873e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1874095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1875699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1876e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1877e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1878bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1879bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1880bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1881bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1882bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1883e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1884fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1885bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 18869272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 18879272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) { 1888e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1889e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 18908f256622SPablo Neira Ayuso dissector->used_keys); 1891e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1892e3a2b7edSAmir Vadai } 1893e3a2b7edSAmir Vadai 1894075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 189593b3586eSHuy Nguyen if (parse_tunnel_attr(priv, spec, f, filter_dev, 189693b3586eSHuy Nguyen outer_match_level)) 1897bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1898bbd00f7eSHadar Hen Zion 189993b3586eSHuy Nguyen /* At this point, header pointers should point to the inner 1900bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1901bbd00f7eSHadar Hen Zion */ 190293b3586eSHuy Nguyen match_level = inner_match_level; 19038377629eSEli Britstein headers_c = get_match_headers_criteria(MLX5_FLOW_CONTEXT_ACTION_DECAP, 19048377629eSEli Britstein spec); 19058377629eSEli Britstein headers_v = get_match_headers_value(MLX5_FLOW_CONTEXT_ACTION_DECAP, 19068377629eSEli Britstein spec); 1907bbd00f7eSHadar Hen Zion } 1908bbd00f7eSHadar Hen Zion 19096d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 19106d65bc64Swenxu if (err) 19116d65bc64Swenxu return err; 19126d65bc64Swenxu 19138f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 19148f256622SPablo Neira Ayuso struct flow_match_basic match; 1915e3a2b7edSAmir Vadai 19168f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 19178f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 19188f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 19198f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 19208f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 19218f256622SPablo Neira Ayuso 19228f256622SPablo Neira Ayuso if (match.mask->n_proto) 1923d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1924e3a2b7edSAmir Vadai } 192535a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 192635a605dbSEli Britstein is_vlan_dev(filter_dev)) { 192735a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 192835a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 19298f256622SPablo Neira Ayuso struct flow_match_vlan match; 19308f256622SPablo Neira Ayuso 193135a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 193235a605dbSEli Britstein match.key = &filter_dev_key; 193335a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 193435a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 193535a605dbSEli Britstein match.key->vlan_priority = 0; 193635a605dbSEli Britstein match.mask = &filter_dev_mask; 193735a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 193835a605dbSEli Britstein match.mask->vlan_priority = 0; 193935a605dbSEli Britstein } else { 19408f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 194135a605dbSEli Britstein } 19428f256622SPablo Neira Ayuso if (match.mask->vlan_id || 19438f256622SPablo Neira Ayuso match.mask->vlan_priority || 19448f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 19458f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1946699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1947699e96ddSJianbo Liu svlan_tag, 1); 1948699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1949699e96ddSJianbo Liu svlan_tag, 1); 1950699e96ddSJianbo Liu } else { 1951699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1952699e96ddSJianbo Liu cvlan_tag, 1); 1953699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1954699e96ddSJianbo Liu cvlan_tag, 1); 1955699e96ddSJianbo Liu } 1956095b6cfdSOr Gerlitz 19578f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 19588f256622SPablo Neira Ayuso match.mask->vlan_id); 19598f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 19608f256622SPablo Neira Ayuso match.key->vlan_id); 1961358d79a4SOr Gerlitz 19628f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 19638f256622SPablo Neira Ayuso match.mask->vlan_priority); 19648f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 19658f256622SPablo Neira Ayuso match.key->vlan_priority); 196654782900SOr Gerlitz 1967d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1968095b6cfdSOr Gerlitz } 1969d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1970fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 1971fc603294SMark Bloch * disabled in match value means both S & C tags 1972fc603294SMark Bloch * don't exist (untagged of both) 1973fc603294SMark Bloch */ 1974cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1975d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1976095b6cfdSOr Gerlitz } 1977095b6cfdSOr Gerlitz 19788f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 19798f256622SPablo Neira Ayuso struct flow_match_vlan match; 19808f256622SPablo Neira Ayuso 198112d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 19828f256622SPablo Neira Ayuso if (match.mask->vlan_id || 19838f256622SPablo Neira Ayuso match.mask->vlan_priority || 19848f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 19858f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1986699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1987699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1988699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1989699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1990699e96ddSJianbo Liu } else { 1991699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1992699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1993699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1994699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1995699e96ddSJianbo Liu } 1996699e96ddSJianbo Liu 1997699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 19988f256622SPablo Neira Ayuso match.mask->vlan_id); 1999699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 20008f256622SPablo Neira Ayuso match.key->vlan_id); 2001699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 20028f256622SPablo Neira Ayuso match.mask->vlan_priority); 2003699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 20048f256622SPablo Neira Ayuso match.key->vlan_priority); 2005699e96ddSJianbo Liu 2006699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 2007699e96ddSJianbo Liu } 2008699e96ddSJianbo Liu } 2009699e96ddSJianbo Liu 20108f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 20118f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 201254782900SOr Gerlitz 20138f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2014d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2015d3a80bb5SOr Gerlitz dmac_47_16), 20168f256622SPablo Neira Ayuso match.mask->dst); 2017d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2018d3a80bb5SOr Gerlitz dmac_47_16), 20198f256622SPablo Neira Ayuso match.key->dst); 2020d3a80bb5SOr Gerlitz 2021d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2022d3a80bb5SOr Gerlitz smac_47_16), 20238f256622SPablo Neira Ayuso match.mask->src); 2024d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2025d3a80bb5SOr Gerlitz smac_47_16), 20268f256622SPablo Neira Ayuso match.key->src); 2027d3a80bb5SOr Gerlitz 20288f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 20298f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2030d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 203154782900SOr Gerlitz } 203254782900SOr Gerlitz 20338f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 20348f256622SPablo Neira Ayuso struct flow_match_control match; 203554782900SOr Gerlitz 20368f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 20378f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 203854782900SOr Gerlitz 203954782900SOr Gerlitz /* the HW doesn't support frag first/later */ 20408f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 204154782900SOr Gerlitz return -EOPNOTSUPP; 204254782900SOr Gerlitz 20438f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 204454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 204554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 20468f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 204754782900SOr Gerlitz 204854782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 20498f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 205083621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 205154782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 205254782900SOr Gerlitz else 205383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 205454782900SOr Gerlitz } 205554782900SOr Gerlitz } 205654782900SOr Gerlitz 20578f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 20588f256622SPablo Neira Ayuso struct flow_match_basic match; 20598f256622SPablo Neira Ayuso 20608f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 20618f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 206254782900SOr Gerlitz 206354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 20648f256622SPablo Neira Ayuso match.mask->ip_proto); 206554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 20668f256622SPablo Neira Ayuso match.key->ip_proto); 206754782900SOr Gerlitz 20688f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2069d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 207054782900SOr Gerlitz } 207154782900SOr Gerlitz 2072e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 20738f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2074e3a2b7edSAmir Vadai 20758f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2076e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2077e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 20788f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2079e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2080e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 20818f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2082e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2083e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 20848f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2085e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2086e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 20878f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2088de0af0bfSRoi Dayan 20898f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2090d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2091e3a2b7edSAmir Vadai } 2092e3a2b7edSAmir Vadai 2093e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 20948f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2095e3a2b7edSAmir Vadai 20968f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2097e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2098e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 20998f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2100e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2101e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 21028f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2103e3a2b7edSAmir Vadai 2104e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2105e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 21068f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2107e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2108e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 21098f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2110de0af0bfSRoi Dayan 21118f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 21128f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2113d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2114e3a2b7edSAmir Vadai } 2115e3a2b7edSAmir Vadai 21168f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 21178f256622SPablo Neira Ayuso struct flow_match_ip match; 21181f97a526SOr Gerlitz 21198f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 21208f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 21218f256622SPablo Neira Ayuso match.mask->tos & 0x3); 21228f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 21238f256622SPablo Neira Ayuso match.key->tos & 0x3); 21241f97a526SOr Gerlitz 21258f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 21268f256622SPablo Neira Ayuso match.mask->tos >> 2); 21278f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 21288f256622SPablo Neira Ayuso match.key->tos >> 2); 21291f97a526SOr Gerlitz 21308f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 21318f256622SPablo Neira Ayuso match.mask->ttl); 21328f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 21338f256622SPablo Neira Ayuso match.key->ttl); 21341f97a526SOr Gerlitz 21358f256622SPablo Neira Ayuso if (match.mask->ttl && 2136a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2137e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2138e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2139e98bedf5SEli Britstein "Matching on TTL is not supported"); 21401f97a526SOr Gerlitz return -EOPNOTSUPP; 2141e98bedf5SEli Britstein } 2142a8ade55fSOr Gerlitz 21438f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2144d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 21451f97a526SOr Gerlitz } 21461f97a526SOr Gerlitz 214754782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 214854782900SOr Gerlitz 21498f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 21508f256622SPablo Neira Ayuso struct flow_match_ports match; 21518f256622SPablo Neira Ayuso 21528f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2153e3a2b7edSAmir Vadai switch (ip_proto) { 2154e3a2b7edSAmir Vadai case IPPROTO_TCP: 2155e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 21568f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2157e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 21588f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2159e3a2b7edSAmir Vadai 2160e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 21618f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2162e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 21638f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2164e3a2b7edSAmir Vadai break; 2165e3a2b7edSAmir Vadai 2166e3a2b7edSAmir Vadai case IPPROTO_UDP: 2167e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 21688f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2169e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 21708f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2171e3a2b7edSAmir Vadai 2172e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 21738f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2174e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 21758f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2176e3a2b7edSAmir Vadai break; 2177e3a2b7edSAmir Vadai default: 2178e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2179e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2180e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2181e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2182e3a2b7edSAmir Vadai return -EINVAL; 2183e3a2b7edSAmir Vadai } 2184de0af0bfSRoi Dayan 21858f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2186d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2187e3a2b7edSAmir Vadai } 2188e3a2b7edSAmir Vadai 21898f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 21908f256622SPablo Neira Ayuso struct flow_match_tcp match; 2191e77834ecSOr Gerlitz 21928f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2193e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 21948f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2195e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 21968f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2197e77834ecSOr Gerlitz 21988f256622SPablo Neira Ayuso if (match.mask->flags) 2199d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2200e77834ecSOr Gerlitz } 2201e77834ecSOr Gerlitz 2202e3a2b7edSAmir Vadai return 0; 2203e3a2b7edSAmir Vadai } 2204e3a2b7edSAmir Vadai 2205de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 220665ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2207de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2208f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 220954c177caSOz Shlomo struct net_device *filter_dev) 2210de0af0bfSRoi Dayan { 221193b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2212e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2213de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2214de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 22151d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 22161d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2217226f2ca3SVlad Buslov bool is_eswitch_flow; 2218de0af0bfSRoi Dayan int err; 2219de0af0bfSRoi Dayan 222093b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 222193b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 222293b3586eSHuy Nguyen 222393b3586eSHuy Nguyen err = __parse_cls_flower(priv, spec, f, filter_dev, &inner_match_level, 222493b3586eSHuy Nguyen &outer_match_level); 222593b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 222693b3586eSHuy Nguyen outer_match_level : inner_match_level; 2227de0af0bfSRoi Dayan 2228226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2229226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 22301d447a39SSaeed Mahameed rep = rpriv->rep; 2231b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 22321d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 223393b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2234e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2235e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2236de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2237de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 223893b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2239de0af0bfSRoi Dayan return -EOPNOTSUPP; 2240de0af0bfSRoi Dayan } 2241de0af0bfSRoi Dayan } 2242de0af0bfSRoi Dayan 2243226f2ca3SVlad Buslov if (is_eswitch_flow) { 224493b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 224593b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 22466363651dSOr Gerlitz } else { 224793b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 22486363651dSOr Gerlitz } 224938aa51c1SOr Gerlitz 2250de0af0bfSRoi Dayan return err; 2251de0af0bfSRoi Dayan } 2252de0af0bfSRoi Dayan 2253d79b6df6SOr Gerlitz struct pedit_headers { 2254d79b6df6SOr Gerlitz struct ethhdr eth; 22550eb69bb9SEli Britstein struct vlan_hdr vlan; 2256d79b6df6SOr Gerlitz struct iphdr ip4; 2257d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2258d79b6df6SOr Gerlitz struct tcphdr tcp; 2259d79b6df6SOr Gerlitz struct udphdr udp; 2260d79b6df6SOr Gerlitz }; 2261d79b6df6SOr Gerlitz 2262c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2263c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2264c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2265c500c86bSPablo Neira Ayuso u32 pedits; 2266c500c86bSPablo Neira Ayuso }; 2267c500c86bSPablo Neira Ayuso 2268d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 226973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 227073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 227173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 227273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 227373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2274d79b6df6SOr Gerlitz }; 2275d79b6df6SOr Gerlitz 2276d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2277d79b6df6SOr Gerlitz 2278d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2279c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2280d79b6df6SOr Gerlitz { 2281d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2282d79b6df6SOr Gerlitz 2283c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2284c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2285d79b6df6SOr Gerlitz 2286d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2287d79b6df6SOr Gerlitz goto out_err; 2288d79b6df6SOr Gerlitz 2289d79b6df6SOr Gerlitz *curr_pmask |= mask; 2290d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2291d79b6df6SOr Gerlitz 2292d79b6df6SOr Gerlitz return 0; 2293d79b6df6SOr Gerlitz 2294d79b6df6SOr Gerlitz out_err: 2295d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2296d79b6df6SOr Gerlitz } 2297d79b6df6SOr Gerlitz 2298d79b6df6SOr Gerlitz struct mlx5_fields { 2299d79b6df6SOr Gerlitz u8 field; 230088f30bbcSDmytro Linkin u8 field_bsize; 230188f30bbcSDmytro Linkin u32 field_mask; 2302d79b6df6SOr Gerlitz u32 offset; 230327c11b6bSEli Britstein u32 match_offset; 2304d79b6df6SOr Gerlitz }; 2305d79b6df6SOr Gerlitz 230688f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 230788f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 230827c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 230927c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 231027c11b6bSEli Britstein 23112ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 23122ef86872SEli Britstein * match. 23132ef86872SEli Britstein */ 23142ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 23152ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 23162ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 23172ef86872SEli Britstein type maskx = *(type *)(maskp); \ 23182ef86872SEli Britstein type valx = *(type *)(valp); \ 23192ef86872SEli Britstein \ 23202ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 23212ef86872SEli Britstein matchmaskx)); \ 23222ef86872SEli Britstein }) 23232ef86872SEli Britstein 232427c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 232588f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 232627c11b6bSEli Britstein { 232727c11b6bSEli Britstein bool same = false; 232827c11b6bSEli Britstein 232988f30bbcSDmytro Linkin switch (bsize) { 233088f30bbcSDmytro Linkin case 8: 23312ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 233227c11b6bSEli Britstein break; 233388f30bbcSDmytro Linkin case 16: 23342ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 233527c11b6bSEli Britstein break; 233688f30bbcSDmytro Linkin case 32: 23372ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 233827c11b6bSEli Britstein break; 233927c11b6bSEli Britstein } 234027c11b6bSEli Britstein 234127c11b6bSEli Britstein return same; 234227c11b6bSEli Britstein } 2343a8e4f0c4SOr Gerlitz 2344d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 234588f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 234688f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 234788f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 234888f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 234988f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 235088f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2351d79b6df6SOr Gerlitz 2352ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 235388f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 235488f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 235588f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2356d79b6df6SOr Gerlitz 235788f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 235827c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 235988f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 236027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 236188f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 236227c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 236388f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 236427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 236588f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 236627c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 236788f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 236827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 236988f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 237027c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 237188f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 237227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 237388f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2374d79b6df6SOr Gerlitz 237588f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 237688f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 237788f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 237888f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2379d79b6df6SOr Gerlitz 238088f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 238188f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2382d79b6df6SOr Gerlitz }; 2383d79b6df6SOr Gerlitz 2384218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 2385218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 2386218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 2387d79b6df6SOr Gerlitz */ 2388c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 2389e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 239027c11b6bSEli Britstein u32 *action_flags, 2391e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2392d79b6df6SOr Gerlitz { 2393d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 23942b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 239588f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 239688f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 2397d79b6df6SOr Gerlitz struct mlx5_fields *f; 2398d79b6df6SOr Gerlitz unsigned long mask; 23992b64bebaSOr Gerlitz __be32 mask_be32; 24002b64bebaSOr Gerlitz __be16 mask_be16; 240188f30bbcSDmytro Linkin u8 cmd; 240288f30bbcSDmytro Linkin 240388f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 240488f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2405d79b6df6SOr Gerlitz 240673867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 240773867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 240873867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 240973867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2410d79b6df6SOr Gerlitz 2411d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2412218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 2413218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 2414218d05ceSTonghao Zhang 2415218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 2416218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 2417d79b6df6SOr Gerlitz 2418d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 241927c11b6bSEli Britstein bool skip; 242027c11b6bSEli Britstein 2421d79b6df6SOr Gerlitz f = &fields[i]; 2422d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2423e3ca4e05SOr Gerlitz s_mask = 0; 2424e3ca4e05SOr Gerlitz a_mask = 0; 2425d79b6df6SOr Gerlitz 2426d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2427d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2428d79b6df6SOr Gerlitz 242988f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 243088f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2431d79b6df6SOr Gerlitz 2432d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2433d79b6df6SOr Gerlitz continue; 2434d79b6df6SOr Gerlitz 2435d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2436e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2437e98bedf5SEli Britstein "can't set and add to the same HW field"); 2438d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2439d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2440d79b6df6SOr Gerlitz } 2441d79b6df6SOr Gerlitz 2442d79b6df6SOr Gerlitz if (nactions == max_actions) { 2443e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2444e98bedf5SEli Britstein "too many pedit actions, can't offload"); 2445d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 2446d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2447d79b6df6SOr Gerlitz } 2448d79b6df6SOr Gerlitz 244927c11b6bSEli Britstein skip = false; 2450d79b6df6SOr Gerlitz if (s_mask) { 245127c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 245227c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 245327c11b6bSEli Britstein 2454d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2455d79b6df6SOr Gerlitz mask = s_mask; 2456d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 245727c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 245827c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 245988f30bbcSDmytro Linkin match_mask, f->field_bsize)) 246027c11b6bSEli Britstein skip = true; 2461d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 246288f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2463d79b6df6SOr Gerlitz } else { 2464d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2465d79b6df6SOr Gerlitz mask = a_mask; 2466d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 246727c11b6bSEli Britstein /* add 0 is no change */ 246888f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 246927c11b6bSEli Britstein skip = true; 2470d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 247188f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2472d79b6df6SOr Gerlitz } 247327c11b6bSEli Britstein if (skip) 247427c11b6bSEli Britstein continue; 2475d79b6df6SOr Gerlitz 247688f30bbcSDmytro Linkin if (f->field_bsize == 32) { 24772b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 24782b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 247988f30bbcSDmytro Linkin } else if (f->field_bsize == 16) { 24802b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 24812b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 24822b64bebaSOr Gerlitz } 24832b64bebaSOr Gerlitz 248488f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 248588f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 248688f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 24872b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2488e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2489e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 24902b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2491d79b6df6SOr Gerlitz mask); 2492d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2493d79b6df6SOr Gerlitz } 2494d79b6df6SOr Gerlitz 2495d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2496d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2497d79b6df6SOr Gerlitz 2498d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 249988f30bbcSDmytro Linkin int start; 250088f30bbcSDmytro Linkin 250188f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 250288f30bbcSDmytro Linkin start = find_first_bit((unsigned long *)&f->field_mask, 250388f30bbcSDmytro Linkin f->field_bsize); 250488f30bbcSDmytro Linkin 250588f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2506d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 25072b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2508d79b6df6SOr Gerlitz } 2509d79b6df6SOr Gerlitz 251088f30bbcSDmytro Linkin if (f->field_bsize == 32) 25112b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 251288f30bbcSDmytro Linkin else if (f->field_bsize == 16) 25132b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 251488f30bbcSDmytro Linkin else if (f->field_bsize == 8) 25152b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2516d79b6df6SOr Gerlitz 2517d79b6df6SOr Gerlitz action += action_size; 2518d79b6df6SOr Gerlitz nactions++; 2519d79b6df6SOr Gerlitz } 2520d79b6df6SOr Gerlitz 2521d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2522d79b6df6SOr Gerlitz return 0; 2523d79b6df6SOr Gerlitz } 2524d79b6df6SOr Gerlitz 25252cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 25262cc1cb1dSTonghao Zhang int namespace) 25272cc1cb1dSTonghao Zhang { 25282cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 25292cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 25302cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 25312cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 25322cc1cb1dSTonghao Zhang } 25332cc1cb1dSTonghao Zhang 2534d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2535c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2536c500c86bSPablo Neira Ayuso int namespace, 2537d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2538d79b6df6SOr Gerlitz { 2539d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2540d79b6df6SOr Gerlitz 2541c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2542c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2543d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2544d79b6df6SOr Gerlitz 25452cc1cb1dSTonghao Zhang max_actions = mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace); 2546d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2547d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2548d79b6df6SOr Gerlitz 2549d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2550d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2551d79b6df6SOr Gerlitz return -ENOMEM; 2552d79b6df6SOr Gerlitz 2553218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2554d79b6df6SOr Gerlitz return 0; 2555d79b6df6SOr Gerlitz } 2556d79b6df6SOr Gerlitz 2557d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2558d79b6df6SOr Gerlitz 2559d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 256073867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2561c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2562e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2563d79b6df6SOr Gerlitz { 256473867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 256573867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2566d79b6df6SOr Gerlitz u32 mask, val, offset; 256773867881SPablo Neira Ayuso u8 htype; 2568d79b6df6SOr Gerlitz 256973867881SPablo Neira Ayuso htype = act->mangle.htype; 2570d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2571d79b6df6SOr Gerlitz 257273867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 257373867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2574d79b6df6SOr Gerlitz goto out_err; 2575d79b6df6SOr Gerlitz } 2576d79b6df6SOr Gerlitz 25772cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 25782cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 25792cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 25802cc1cb1dSTonghao Zhang goto out_err; 25812cc1cb1dSTonghao Zhang } 25822cc1cb1dSTonghao Zhang 258373867881SPablo Neira Ayuso mask = act->mangle.mask; 258473867881SPablo Neira Ayuso val = act->mangle.val; 258573867881SPablo Neira Ayuso offset = act->mangle.offset; 2586d79b6df6SOr Gerlitz 2587c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2588d79b6df6SOr Gerlitz if (err) 2589d79b6df6SOr Gerlitz goto out_err; 2590c500c86bSPablo Neira Ayuso 2591c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2592d79b6df6SOr Gerlitz 2593c500c86bSPablo Neira Ayuso return 0; 2594c500c86bSPablo Neira Ayuso out_err: 2595c500c86bSPablo Neira Ayuso return err; 2596c500c86bSPablo Neira Ayuso } 2597c500c86bSPablo Neira Ayuso 2598c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2599c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2600c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 260127c11b6bSEli Britstein u32 *action_flags, 2602c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2603c500c86bSPablo Neira Ayuso { 2604c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2605c500c86bSPablo Neira Ayuso int err; 2606c500c86bSPablo Neira Ayuso u8 cmd; 2607c500c86bSPablo Neira Ayuso 2608218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2609c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2610d79b6df6SOr Gerlitz if (err) 2611d79b6df6SOr Gerlitz goto out_err; 2612218d05ceSTonghao Zhang } 2613d79b6df6SOr Gerlitz 261427c11b6bSEli Britstein err = offload_pedit_fields(hdrs, parse_attr, action_flags, extack); 2615d79b6df6SOr Gerlitz if (err < 0) 2616d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2617d79b6df6SOr Gerlitz 2618d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2619c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2620d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2621e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2622e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2623b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2624d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2625d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2626d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2627d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2628d79b6df6SOr Gerlitz } 2629d79b6df6SOr Gerlitz } 2630d79b6df6SOr Gerlitz 2631d79b6df6SOr Gerlitz return 0; 2632d79b6df6SOr Gerlitz 2633d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2634d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2635d79b6df6SOr Gerlitz out_err: 2636d79b6df6SOr Gerlitz return err; 2637d79b6df6SOr Gerlitz } 2638d79b6df6SOr Gerlitz 2639e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2640e98bedf5SEli Britstein u32 action, 2641e98bedf5SEli Britstein u32 update_flags, 2642e98bedf5SEli Britstein struct netlink_ext_ack *extack) 264326c02749SOr Gerlitz { 264426c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 264526c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 264626c02749SOr Gerlitz 264726c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 264826c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2649e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2650e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 265126c02749SOr Gerlitz netdev_warn(priv->netdev, 265226c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 265326c02749SOr Gerlitz return false; 265426c02749SOr Gerlitz } 265526c02749SOr Gerlitz 265626c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2657e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2658e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 265926c02749SOr Gerlitz netdev_warn(priv->netdev, 266026c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 266126c02749SOr Gerlitz update_flags); 266226c02749SOr Gerlitz return false; 266326c02749SOr Gerlitz } 266426c02749SOr Gerlitz 266526c02749SOr Gerlitz return true; 266626c02749SOr Gerlitz } 266726c02749SOr Gerlitz 26688998576bSDmytro Linkin struct ip_ttl_word { 26698998576bSDmytro Linkin __u8 ttl; 26708998576bSDmytro Linkin __u8 protocol; 26718998576bSDmytro Linkin __sum16 check; 26728998576bSDmytro Linkin }; 26738998576bSDmytro Linkin 26748998576bSDmytro Linkin struct ipv6_hoplimit_word { 26758998576bSDmytro Linkin __be16 payload_len; 26768998576bSDmytro Linkin __u8 nexthdr; 26778998576bSDmytro Linkin __u8 hop_limit; 26788998576bSDmytro Linkin }; 26798998576bSDmytro Linkin 26808998576bSDmytro Linkin static bool is_action_keys_supported(const struct flow_action_entry *act) 26818998576bSDmytro Linkin { 26828998576bSDmytro Linkin u32 mask, offset; 26838998576bSDmytro Linkin u8 htype; 26848998576bSDmytro Linkin 26858998576bSDmytro Linkin htype = act->mangle.htype; 26868998576bSDmytro Linkin offset = act->mangle.offset; 26878998576bSDmytro Linkin mask = ~act->mangle.mask; 26888998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 26898998576bSDmytro Linkin * to determine that modified fields 26908998576bSDmytro Linkin * are NOT ttl & hop_limit only. 26918998576bSDmytro Linkin */ 26928998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 26938998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 26948998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 26958998576bSDmytro Linkin 26968998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 26978998576bSDmytro Linkin ttl_word->protocol || 26988998576bSDmytro Linkin ttl_word->check) { 26998998576bSDmytro Linkin return true; 27008998576bSDmytro Linkin } 27018998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 27028998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 27038998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 27048998576bSDmytro Linkin 27058998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 27068998576bSDmytro Linkin hoplimit_word->payload_len || 27078998576bSDmytro Linkin hoplimit_word->nexthdr) { 27088998576bSDmytro Linkin return true; 27098998576bSDmytro Linkin } 27108998576bSDmytro Linkin } 27118998576bSDmytro Linkin return false; 27128998576bSDmytro Linkin } 27138998576bSDmytro Linkin 2714bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 271573867881SPablo Neira Ayuso struct flow_action *flow_action, 27161651925dSGuy Shattah u32 actions, 2717e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2718bdd66ac0SOr Gerlitz { 271973867881SPablo Neira Ayuso const struct flow_action_entry *act; 2720bdd66ac0SOr Gerlitz bool modify_ip_header; 2721bdd66ac0SOr Gerlitz void *headers_v; 2722bdd66ac0SOr Gerlitz u16 ethertype; 27238998576bSDmytro Linkin u8 ip_proto; 272473867881SPablo Neira Ayuso int i; 2725bdd66ac0SOr Gerlitz 27268377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 2727bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2728bdd66ac0SOr Gerlitz 2729bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2730bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2731bdd66ac0SOr Gerlitz goto out_ok; 2732bdd66ac0SOr Gerlitz 2733bdd66ac0SOr Gerlitz modify_ip_header = false; 273473867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 273573867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 273673867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2737bdd66ac0SOr Gerlitz continue; 2738bdd66ac0SOr Gerlitz 27398998576bSDmytro Linkin if (is_action_keys_supported(act)) { 2740bdd66ac0SOr Gerlitz modify_ip_header = true; 2741bdd66ac0SOr Gerlitz break; 2742bdd66ac0SOr Gerlitz } 2743bdd66ac0SOr Gerlitz } 2744bdd66ac0SOr Gerlitz 2745bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 27461ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 27471ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2748e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2749e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2750bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2751bdd66ac0SOr Gerlitz return false; 2752bdd66ac0SOr Gerlitz } 2753bdd66ac0SOr Gerlitz 2754bdd66ac0SOr Gerlitz out_ok: 2755bdd66ac0SOr Gerlitz return true; 2756bdd66ac0SOr Gerlitz } 2757bdd66ac0SOr Gerlitz 2758bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 275973867881SPablo Neira Ayuso struct flow_action *flow_action, 2760bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2761e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2762e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2763bdd66ac0SOr Gerlitz { 2764bdd66ac0SOr Gerlitz u32 actions; 2765bdd66ac0SOr Gerlitz 2766226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 2767bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2768bdd66ac0SOr Gerlitz else 2769bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2770bdd66ac0SOr Gerlitz 2771226f2ca3SVlad Buslov if (flow_flag_test(flow, EGRESS) && 277235a605dbSEli Britstein !((actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) || 27736830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 27746830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_DROP))) 27757e29392eSRoi Dayan return false; 27767e29392eSRoi Dayan 2777bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 277873867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2779a655fe9fSDavid S. Miller flow_action, actions, 2780e98bedf5SEli Britstein extack); 2781bdd66ac0SOr Gerlitz 2782bdd66ac0SOr Gerlitz return true; 2783bdd66ac0SOr Gerlitz } 2784bdd66ac0SOr Gerlitz 27855c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 27865c65c564SOr Gerlitz { 27875c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2788816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 27895c65c564SOr Gerlitz 27905c65c564SOr Gerlitz fmdev = priv->mdev; 27915c65c564SOr Gerlitz pmdev = peer_priv->mdev; 27925c65c564SOr Gerlitz 279359c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 279459c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 27955c65c564SOr Gerlitz 2796816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 27975c65c564SOr Gerlitz } 27985c65c564SOr Gerlitz 2799bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2800bdc837eeSEli Britstein const struct flow_action_entry *act, 2801bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2802bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2803bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2804bdc837eeSEli Britstein { 2805bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2806bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2807bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2808bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2809bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2810bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2811bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2812bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2813bdc837eeSEli Britstein }; 28146fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 2815bf2f3bcaSEli Britstein void *headers_c, *headers_v; 2816bdc837eeSEli Britstein int err; 2817bdc837eeSEli Britstein 2818bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 2819bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 2820bf2f3bcaSEli Britstein 2821bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 2822bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 2823bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 2824bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 2825bf2f3bcaSEli Britstein return -EOPNOTSUPP; 2826bf2f3bcaSEli Britstein } 2827bf2f3bcaSEli Britstein 28286fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 28296fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 28306fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 28316fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 28326fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 2833bdc837eeSEli Britstein return -EOPNOTSUPP; 2834bdc837eeSEli Britstein } 2835bdc837eeSEli Britstein 2836dec481c8SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, hdrs, NULL); 2837bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2838bdc837eeSEli Britstein 2839bdc837eeSEli Britstein return err; 2840bdc837eeSEli Britstein } 2841bdc837eeSEli Britstein 28420bac1194SEli Britstein static int 28430bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 28440bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 28450bac1194SEli Britstein struct pedit_headers_action *hdrs, 28460bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 28470bac1194SEli Britstein { 28480bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 28490bac1194SEli Britstein .vlan.vid = 0, 28500bac1194SEli Britstein .vlan.prio = 28510bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 28520bac1194SEli Britstein get_match_headers_value(*action, 28530bac1194SEli Britstein &parse_attr->spec), 28540bac1194SEli Britstein first_prio) & 28550bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 28560bac1194SEli Britstein get_match_headers_criteria(*action, 28570bac1194SEli Britstein &parse_attr->spec), 28580bac1194SEli Britstein first_prio), 28590bac1194SEli Britstein }; 28600bac1194SEli Britstein 28610bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 28620bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 28630bac1194SEli Britstein extack); 28640bac1194SEli Britstein } 28650bac1194SEli Britstein 286673867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 286773867881SPablo Neira Ayuso struct flow_action *flow_action, 2868aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2869e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2870e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2871e3a2b7edSAmir Vadai { 2872aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 287373867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 287473867881SPablo Neira Ayuso const struct flow_action_entry *act; 28751cab1cd7SOr Gerlitz u32 action = 0; 2876244cd96aSCong Wang int err, i; 2877e3a2b7edSAmir Vadai 287873867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2879e3a2b7edSAmir Vadai return -EINVAL; 2880e3a2b7edSAmir Vadai 288148855479SJiri Pirko if (!flow_action_hw_stats_types_check(flow_action, extack, 2882a16fa289SJiri Pirko FLOW_ACTION_HW_STATS_TYPE_DELAYED_BIT)) 2883319a1d19SJiri Pirko return -EOPNOTSUPP; 2884319a1d19SJiri Pirko 28853bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2886e3a2b7edSAmir Vadai 288773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 288873867881SPablo Neira Ayuso switch (act->id) { 288915fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 289015fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 289115fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 289215fc92ecSTonghao Zhang break; 289373867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 28941cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2895aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2896aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 28971cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 289873867881SPablo Neira Ayuso break; 289973867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 290073867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 290173867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2902dec481c8SEli Cohen hdrs, extack); 29032f4fe4caSOr Gerlitz if (err) 29042f4fe4caSOr Gerlitz return err; 29052f4fe4caSOr Gerlitz 29061cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 29072f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 290873867881SPablo Neira Ayuso break; 2909bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2910bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2911bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2912bdc837eeSEli Britstein act, parse_attr, hdrs, 2913bdc837eeSEli Britstein &action, extack); 2914bdc837eeSEli Britstein if (err) 2915bdc837eeSEli Britstein return err; 2916bdc837eeSEli Britstein 2917bdc837eeSEli Britstein break; 291873867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 29191cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 292073867881SPablo Neira Ayuso act->csum_flags, 2921e98bedf5SEli Britstein extack)) 292273867881SPablo Neira Ayuso break; 292326c02749SOr Gerlitz 292426c02749SOr Gerlitz return -EOPNOTSUPP; 292573867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 292673867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 29275c65c564SOr Gerlitz 29285c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 29295c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 293098b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 2931226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 29321cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 29335c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 29345c65c564SOr Gerlitz } else { 2935e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2936e98bedf5SEli Britstein "device is not on same HW, can't offload"); 29375c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 29385c65c564SOr Gerlitz peer_dev->name); 29395c65c564SOr Gerlitz return -EINVAL; 29405c65c564SOr Gerlitz } 29415c65c564SOr Gerlitz } 294273867881SPablo Neira Ayuso break; 294373867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 294473867881SPablo Neira Ayuso u32 mark = act->mark; 2945e3a2b7edSAmir Vadai 2946e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2947e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2948e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2949e3a2b7edSAmir Vadai return -EINVAL; 2950e3a2b7edSAmir Vadai } 2951e3a2b7edSAmir Vadai 29523bc4b7bfSOr Gerlitz attr->flow_tag = mark; 29531cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2954e3a2b7edSAmir Vadai } 295573867881SPablo Neira Ayuso break; 295673867881SPablo Neira Ayuso default: 29572cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 29582cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 2959e3a2b7edSAmir Vadai } 296073867881SPablo Neira Ayuso } 2961e3a2b7edSAmir Vadai 2962c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2963c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2964c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 296527c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 2966c500c86bSPablo Neira Ayuso if (err) 2967c500c86bSPablo Neira Ayuso return err; 296827c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 296927c11b6bSEli Britstein * flag. 297027c11b6bSEli Britstein */ 2971e7739a60SEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 297227c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2973e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 2974e7739a60SEli Britstein } 2975c500c86bSPablo Neira Ayuso } 2976c500c86bSPablo Neira Ayuso 29771cab1cd7SOr Gerlitz attr->action = action; 297873867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2979bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2980bdd66ac0SOr Gerlitz 2981e3a2b7edSAmir Vadai return 0; 2982e3a2b7edSAmir Vadai } 2983e3a2b7edSAmir Vadai 29847f1a546eSEli Britstein struct encap_key { 29851f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 2986d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 29877f1a546eSEli Britstein }; 29887f1a546eSEli Britstein 29897f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 29907f1a546eSEli Britstein struct encap_key *b) 2991a54e20b4SHadar Hen Zion { 29927f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 2993d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 2994a54e20b4SHadar Hen Zion } 2995a54e20b4SHadar Hen Zion 29967f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 2997a54e20b4SHadar Hen Zion { 29987f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 2999d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 3000a54e20b4SHadar Hen Zion } 3001a54e20b4SHadar Hen Zion 3002a54e20b4SHadar Hen Zion 3003b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 3004b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3005b1d90e6bSRabie Loulou { 3006b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3007b1d90e6bSRabie Loulou 3008b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3009b1d90e6bSRabie Loulou 3010b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 301168931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 301268931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 301368931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3014b1d90e6bSRabie Loulou } 3015b1d90e6bSRabie Loulou 3016ce99f6b9SOr Gerlitz 301754c177caSOz Shlomo 3018948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 3019948993f2SVlad Buslov { 3020948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 3021948993f2SVlad Buslov } 3022948993f2SVlad Buslov 3023948993f2SVlad Buslov static struct mlx5e_encap_entry * 3024948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 3025948993f2SVlad Buslov uintptr_t hash_key) 3026948993f2SVlad Buslov { 3027948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3028948993f2SVlad Buslov struct mlx5e_encap_entry *e; 3029948993f2SVlad Buslov struct encap_key e_key; 3030948993f2SVlad Buslov 3031948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 3032948993f2SVlad Buslov encap_hlist, hash_key) { 3033948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 3034948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 3035948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 3036948993f2SVlad Buslov mlx5e_encap_take(e)) 3037948993f2SVlad Buslov return e; 3038948993f2SVlad Buslov } 3039948993f2SVlad Buslov 3040948993f2SVlad Buslov return NULL; 3041948993f2SVlad Buslov } 3042948993f2SVlad Buslov 30432a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 30442a4b6526SVlad Buslov { 30452a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 30462a4b6526SVlad Buslov 30472a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 30482a4b6526SVlad Buslov } 30492a4b6526SVlad Buslov 3050554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 3051554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 3052554fe75cSDmytro Linkin int out_index, 3053554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 3054554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3055554fe75cSDmytro Linkin { 3056554fe75cSDmytro Linkin int i; 3057554fe75cSDmytro Linkin 3058554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 3059554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 3060554fe75cSDmytro Linkin continue; 3061554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 3062554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 3063554fe75cSDmytro Linkin return true; 3064554fe75cSDmytro Linkin } 3065554fe75cSDmytro Linkin 3066554fe75cSDmytro Linkin return false; 3067554fe75cSDmytro Linkin } 3068554fe75cSDmytro Linkin 3069a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3070e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3071733d4f36SRoi Dayan struct net_device *mirred_dev, 3072733d4f36SRoi Dayan int out_index, 30738c4dc42bSEli Britstein struct netlink_ext_ack *extack, 30740ad060eeSRoi Dayan struct net_device **encap_dev, 30750ad060eeSRoi Dayan bool *encap_valid) 307603a9d11eSOr Gerlitz { 3077a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 307845247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3079733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 30801f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3081948993f2SVlad Buslov struct encap_key key; 3082c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3083733d4f36SRoi Dayan unsigned short family; 3084a54e20b4SHadar Hen Zion uintptr_t hash_key; 308554c177caSOz Shlomo int err = 0; 3086a54e20b4SHadar Hen Zion 3087733d4f36SRoi Dayan parse_attr = attr->parse_attr; 30881f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3089733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 30907f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3091d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3092d71f895cSEli Cohen if (!key.tc_tunnel) { 3093d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3094d71f895cSEli Cohen return -EOPNOTSUPP; 3095d71f895cSEli Cohen } 3096733d4f36SRoi Dayan 30977f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3098a54e20b4SHadar Hen Zion 309961086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3100948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3101a54e20b4SHadar Hen Zion 3102b2812089SVlad Buslov /* must verify if encap is valid or not */ 3103d589e785SVlad Buslov if (e) { 3104554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3105554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3106554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3107554fe75cSDmytro Linkin goto out_err; 3108554fe75cSDmytro Linkin } 3109554fe75cSDmytro Linkin 3110d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3111d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3112d589e785SVlad Buslov 3113d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3114d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 31153c140dd5SVlad Buslov if (e->compl_result < 0) { 3116d589e785SVlad Buslov err = -EREMOTEIO; 3117d589e785SVlad Buslov goto out_err; 3118d589e785SVlad Buslov } 311945247bf2SOr Gerlitz goto attach_flow; 3120d589e785SVlad Buslov } 3121a54e20b4SHadar Hen Zion 3122a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 312361086f39SVlad Buslov if (!e) { 312461086f39SVlad Buslov err = -ENOMEM; 312561086f39SVlad Buslov goto out_err; 312661086f39SVlad Buslov } 3127a54e20b4SHadar Hen Zion 3128948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3129d589e785SVlad Buslov init_completion(&e->res_ready); 3130d589e785SVlad Buslov 31312a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 31322a4b6526SVlad Buslov if (!tun_info) { 31332a4b6526SVlad Buslov err = -ENOMEM; 31342a4b6526SVlad Buslov goto out_err_init; 31352a4b6526SVlad Buslov } 31361f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3137101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 31382a4b6526SVlad Buslov if (err) 31392a4b6526SVlad Buslov goto out_err_init; 314054c177caSOz Shlomo 3141a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3142d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3143d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3144a54e20b4SHadar Hen Zion 3145ce99f6b9SOr Gerlitz if (family == AF_INET) 3146101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3147ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3148101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3149ce99f6b9SOr Gerlitz 3150d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3151d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3152d589e785SVlad Buslov complete_all(&e->res_ready); 3153d589e785SVlad Buslov if (err) { 3154d589e785SVlad Buslov e->compl_result = err; 3155a54e20b4SHadar Hen Zion goto out_err; 3156d589e785SVlad Buslov } 31573c140dd5SVlad Buslov e->compl_result = 1; 3158a54e20b4SHadar Hen Zion 315945247bf2SOr Gerlitz attach_flow: 3160948993f2SVlad Buslov flow->encaps[out_index].e = e; 31618c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 31628c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 316345247bf2SOr Gerlitz *encap_dev = e->out_dev; 31648c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 31652b688ea5SMaor Gottlieb attr->dests[out_index].pkt_reformat = e->pkt_reformat; 31668c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 31670ad060eeSRoi Dayan *encap_valid = true; 31688c4dc42bSEli Britstein } else { 31690ad060eeSRoi Dayan *encap_valid = false; 31708c4dc42bSEli Britstein } 317161086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 317245247bf2SOr Gerlitz 3173232c0013SHadar Hen Zion return err; 3174a54e20b4SHadar Hen Zion 3175a54e20b4SHadar Hen Zion out_err: 317661086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3177d589e785SVlad Buslov if (e) 3178d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3179a54e20b4SHadar Hen Zion return err; 31802a4b6526SVlad Buslov 31812a4b6526SVlad Buslov out_err_init: 31822a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 31832a4b6526SVlad Buslov kfree(tun_info); 31842a4b6526SVlad Buslov kfree(e); 31852a4b6526SVlad Buslov return err; 3186a54e20b4SHadar Hen Zion } 3187a54e20b4SHadar Hen Zion 31881482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 318973867881SPablo Neira Ayuso const struct flow_action_entry *act, 31901482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 31911482bd3dSJianbo Liu u32 *action) 31921482bd3dSJianbo Liu { 3193cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3194cc495188SJianbo Liu 3195cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 31961482bd3dSJianbo Liu return -EOPNOTSUPP; 3197cc495188SJianbo Liu 319873867881SPablo Neira Ayuso switch (act->id) { 319973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3200cc495188SJianbo Liu if (vlan_idx) { 3201cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3202cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3203cc495188SJianbo Liu return -EOPNOTSUPP; 3204cc495188SJianbo Liu 3205cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3206cc495188SJianbo Liu } else { 3207cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3208cc495188SJianbo Liu } 320973867881SPablo Neira Ayuso break; 321073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 321173867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 321273867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 321373867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3214cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3215cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3216cc495188SJianbo Liu 3217cc495188SJianbo Liu if (vlan_idx) { 3218cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3219cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3220cc495188SJianbo Liu return -EOPNOTSUPP; 3221cc495188SJianbo Liu 3222cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3223cc495188SJianbo Liu } else { 3224cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 322573867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 322673867881SPablo Neira Ayuso act->vlan.prio)) 3227cc495188SJianbo Liu return -EOPNOTSUPP; 3228cc495188SJianbo Liu 3229cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 32301482bd3dSJianbo Liu } 323173867881SPablo Neira Ayuso break; 323273867881SPablo Neira Ayuso default: 3233bdc837eeSEli Britstein return -EINVAL; 32341482bd3dSJianbo Liu } 32351482bd3dSJianbo Liu 3236cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3237cc495188SJianbo Liu 32381482bd3dSJianbo Liu return 0; 32391482bd3dSJianbo Liu } 32401482bd3dSJianbo Liu 3241278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3242278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3243278748a9SEli Britstein struct net_device **out_dev, 3244278748a9SEli Britstein u32 *action) 3245278748a9SEli Britstein { 3246278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3247278748a9SEli Britstein struct flow_action_entry vlan_act = { 3248278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3249278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3250278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3251278748a9SEli Britstein .vlan.prio = 0, 3252278748a9SEli Britstein }; 3253278748a9SEli Britstein int err; 3254278748a9SEli Britstein 3255278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3256278748a9SEli Britstein if (err) 3257278748a9SEli Britstein return err; 3258278748a9SEli Britstein 3259278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3260278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3261278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3262278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3263278748a9SEli Britstein 3264278748a9SEli Britstein return err; 3265278748a9SEli Britstein } 3266278748a9SEli Britstein 326735a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 326835a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 326935a605dbSEli Britstein u32 *action) 327035a605dbSEli Britstein { 3271f3b0a18bSTaehee Yoo int nest_level = attr->parse_attr->filter_dev->lower_level; 327235a605dbSEli Britstein struct flow_action_entry vlan_act = { 327335a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 327435a605dbSEli Britstein }; 327535a605dbSEli Britstein int err = 0; 327635a605dbSEli Britstein 327735a605dbSEli Britstein while (nest_level--) { 327835a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 327935a605dbSEli Britstein if (err) 328035a605dbSEli Britstein return err; 328135a605dbSEli Britstein } 328235a605dbSEli Britstein 328335a605dbSEli Britstein return err; 328435a605dbSEli Britstein } 328535a605dbSEli Britstein 3286f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3287f6dc1264SPaul Blakey struct net_device *out_dev) 3288f6dc1264SPaul Blakey { 3289f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 3290f6dc1264SPaul Blakey return true; 3291f6dc1264SPaul Blakey 3292f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 3293f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 3294f6dc1264SPaul Blakey } 3295f6dc1264SPaul Blakey 3296554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3297554fe75cSDmytro Linkin struct net_device *out_dev, 3298554fe75cSDmytro Linkin int *ifindexes, int if_count, 3299554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3300554fe75cSDmytro Linkin { 3301554fe75cSDmytro Linkin int i; 3302554fe75cSDmytro Linkin 3303554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3304554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3305554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3306554fe75cSDmytro Linkin "can't duplicate output to same device"); 3307554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3308554fe75cSDmytro Linkin out_dev->name); 3309554fe75cSDmytro Linkin return true; 3310554fe75cSDmytro Linkin } 3311554fe75cSDmytro Linkin } 3312554fe75cSDmytro Linkin 3313554fe75cSDmytro Linkin return false; 3314554fe75cSDmytro Linkin } 3315554fe75cSDmytro Linkin 33162fbbc30dSEli Cohen static int mlx5_validate_goto_chain(struct mlx5_eswitch *esw, 33172fbbc30dSEli Cohen struct mlx5e_tc_flow *flow, 33182fbbc30dSEli Cohen const struct flow_action_entry *act, 33192fbbc30dSEli Cohen u32 actions, 33202fbbc30dSEli Cohen struct netlink_ext_ack *extack) 33212fbbc30dSEli Cohen { 33222fbbc30dSEli Cohen u32 max_chain = mlx5_esw_chains_get_chain_range(esw); 33232fbbc30dSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 33242fbbc30dSEli Cohen bool ft_flow = mlx5e_is_ft_flow(flow); 33252fbbc30dSEli Cohen u32 dest_chain = act->chain_index; 33262fbbc30dSEli Cohen 33272fbbc30dSEli Cohen if (ft_flow) { 33282fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 33292fbbc30dSEli Cohen return -EOPNOTSUPP; 33302fbbc30dSEli Cohen } 33312fbbc30dSEli Cohen 33322fbbc30dSEli Cohen if (!mlx5_esw_chains_backwards_supported(esw) && 33332fbbc30dSEli Cohen dest_chain <= attr->chain) { 33342fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 33352fbbc30dSEli Cohen "Goto lower numbered chain isn't supported"); 33362fbbc30dSEli Cohen return -EOPNOTSUPP; 33372fbbc30dSEli Cohen } 33382fbbc30dSEli Cohen if (dest_chain > max_chain) { 33392fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 33402fbbc30dSEli Cohen "Requested destination chain is out of supported range"); 33412fbbc30dSEli Cohen return -EOPNOTSUPP; 33422fbbc30dSEli Cohen } 33432fbbc30dSEli Cohen 33442fbbc30dSEli Cohen if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 33452fbbc30dSEli Cohen MLX5_FLOW_CONTEXT_ACTION_DECAP) && 33462fbbc30dSEli Cohen !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat_and_fwd_to_table)) { 33472fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 33482fbbc30dSEli Cohen "Goto chain is not allowed if action has reformat or decap"); 33492fbbc30dSEli Cohen return -EOPNOTSUPP; 33502fbbc30dSEli Cohen } 33512fbbc30dSEli Cohen 33522fbbc30dSEli Cohen return 0; 33532fbbc30dSEli Cohen } 33542fbbc30dSEli Cohen 335573867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 335673867881SPablo Neira Ayuso struct flow_action *flow_action, 3357e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3358e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3359a54e20b4SHadar Hen Zion { 336073867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3361bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3362ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 33636f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 33641d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 336573867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3366554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 336784179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 336873867881SPablo Neira Ayuso const struct flow_action_entry *act; 3369554fe75cSDmytro Linkin int err, i, if_count = 0; 3370a54e20b4SHadar Hen Zion bool encap = false; 33711cab1cd7SOr Gerlitz u32 action = 0; 337203a9d11eSOr Gerlitz 337373867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 337403a9d11eSOr Gerlitz return -EINVAL; 337503a9d11eSOr Gerlitz 337648855479SJiri Pirko if (!flow_action_hw_stats_types_check(flow_action, extack, 3377a16fa289SJiri Pirko FLOW_ACTION_HW_STATS_TYPE_DELAYED_BIT)) 3378319a1d19SJiri Pirko return -EOPNOTSUPP; 3379319a1d19SJiri Pirko 338073867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 338173867881SPablo Neira Ayuso switch (act->id) { 338273867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 33831cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 338403a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 338573867881SPablo Neira Ayuso break; 338673867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 338773867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 338873867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3389dec481c8SEli Cohen hdrs, extack); 3390d7e75a32SOr Gerlitz if (err) 3391d7e75a32SOr Gerlitz return err; 3392d7e75a32SOr Gerlitz 33931cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3394e85e02baSEli Britstein attr->split_count = attr->out_count; 339573867881SPablo Neira Ayuso break; 339673867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 33971cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 339873867881SPablo Neira Ayuso act->csum_flags, extack)) 339973867881SPablo Neira Ayuso break; 340026c02749SOr Gerlitz 340126c02749SOr Gerlitz return -EOPNOTSUPP; 340273867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 340373867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 340403a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3405592d3651SChris Mi struct net_device *out_dev; 340603a9d11eSOr Gerlitz 340773867881SPablo Neira Ayuso out_dev = act->dev; 3408ef381359SOz Shlomo if (!out_dev) { 3409ef381359SOz Shlomo /* out_dev is NULL when filters with 3410ef381359SOz Shlomo * non-existing mirred device are replayed to 3411ef381359SOz Shlomo * the driver. 3412ef381359SOz Shlomo */ 3413ef381359SOz Shlomo return -EINVAL; 3414ef381359SOz Shlomo } 341503a9d11eSOr Gerlitz 341684179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 341784179981SPaul Blakey /* Ignore forward to self rules generated 341884179981SPaul Blakey * by adding both mlx5 devs to the flow table 341984179981SPaul Blakey * block on a normal nft offload setup. 342084179981SPaul Blakey */ 342184179981SPaul Blakey return -EOPNOTSUPP; 342284179981SPaul Blakey } 342384179981SPaul Blakey 3424592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3425e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3426e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 34274ccd83f4SRoi Dayan netdev_warn(priv->netdev, 34284ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 3429592d3651SChris Mi attr->out_count); 3430592d3651SChris Mi return -EOPNOTSUPP; 3431592d3651SChris Mi } 3432592d3651SChris Mi 3433f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3434f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3435b6a4ac24SVlad Buslov if (encap) { 3436b6a4ac24SVlad Buslov parse_attr->mirred_ifindex[attr->out_count] = 3437b6a4ac24SVlad Buslov out_dev->ifindex; 3438b6a4ac24SVlad Buslov parse_attr->tun_info[attr->out_count] = dup_tun_info(info); 3439b6a4ac24SVlad Buslov if (!parse_attr->tun_info[attr->out_count]) 3440b6a4ac24SVlad Buslov return -ENOMEM; 3441b6a4ac24SVlad Buslov encap = false; 3442b6a4ac24SVlad Buslov attr->dests[attr->out_count].flags |= 3443b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 3444b6a4ac24SVlad Buslov attr->out_count++; 3445b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 3446b6a4ac24SVlad Buslov * handle encap 3447b6a4ac24SVlad Buslov */ 3448b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 34497ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 34507ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 3451fa833bd5SVlad Buslov struct net_device *uplink_upper; 3452ffec9702STonghao Zhang struct mlx5e_rep_priv *rep_priv; 34537ba58ba7SRabie Loulou 3454554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 3455554fe75cSDmytro Linkin out_dev, 3456554fe75cSDmytro Linkin ifindexes, 3457554fe75cSDmytro Linkin if_count, 3458554fe75cSDmytro Linkin extack)) 3459554fe75cSDmytro Linkin return -EOPNOTSUPP; 3460554fe75cSDmytro Linkin 3461554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 3462554fe75cSDmytro Linkin if_count++; 3463554fe75cSDmytro Linkin 3464fa833bd5SVlad Buslov rcu_read_lock(); 3465fa833bd5SVlad Buslov uplink_upper = 3466fa833bd5SVlad Buslov netdev_master_upper_dev_get_rcu(uplink_dev); 34677ba58ba7SRabie Loulou if (uplink_upper && 34687ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 34697ba58ba7SRabie Loulou uplink_upper == out_dev) 34707ba58ba7SRabie Loulou out_dev = uplink_dev; 3471fa833bd5SVlad Buslov rcu_read_unlock(); 34727ba58ba7SRabie Loulou 3473278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3474278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3475278748a9SEli Britstein &out_dev, 3476278748a9SEli Britstein &action); 3477278748a9SEli Britstein if (err) 3478278748a9SEli Britstein return err; 3479278748a9SEli Britstein } 3480f6dc1264SPaul Blakey 348135a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 348235a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 348335a605dbSEli Britstein &action); 348435a605dbSEli Britstein if (err) 348535a605dbSEli Britstein return err; 348635a605dbSEli Britstein } 3487278748a9SEli Britstein 3488ffec9702STonghao Zhang /* Don't allow forwarding between uplink. 3489ffec9702STonghao Zhang * 3490ffec9702STonghao Zhang * Input vport was stored esw_attr->in_rep. 3491ffec9702STonghao Zhang * In LAG case, *priv* is the private data of 3492ffec9702STonghao Zhang * uplink which may be not the input vport. 3493ffec9702STonghao Zhang */ 3494ffec9702STonghao Zhang rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3495ffec9702STonghao Zhang if (mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3496ffec9702STonghao Zhang mlx5e_eswitch_uplink_rep(out_dev)) { 3497ffec9702STonghao Zhang NL_SET_ERR_MSG_MOD(extack, 3498ffec9702STonghao Zhang "devices are both uplink, can't offload forwarding"); 3499ffec9702STonghao Zhang pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3500ffec9702STonghao Zhang priv->netdev->name, out_dev->name); 3501ffec9702STonghao Zhang return -EOPNOTSUPP; 3502ffec9702STonghao Zhang } 3503ffec9702STonghao Zhang 3504f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3505f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3506f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 35074ccd83f4SRoi Dayan netdev_warn(priv->netdev, 35084ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 35094ccd83f4SRoi Dayan priv->netdev->name, 35104ccd83f4SRoi Dayan out_dev->name); 3511a0646c88SEli Britstein return -EOPNOTSUPP; 3512f6dc1264SPaul Blakey } 3513a0646c88SEli Britstein 351403a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 35151d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3516df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 3517df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 3518df65a573SEli Britstein attr->out_count++; 3519ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3520ef381359SOz Shlomo /* All mlx5 devices are called to configure 3521ef381359SOz Shlomo * high level device filters. Therefore, the 3522ef381359SOz Shlomo * *attempt* to install a filter on invalid 3523ef381359SOz Shlomo * eswitch should not trigger an explicit error 3524ef381359SOz Shlomo */ 3525ef381359SOz Shlomo return -EINVAL; 3526a54e20b4SHadar Hen Zion } else { 3527e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3528e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 35294ccd83f4SRoi Dayan netdev_warn(priv->netdev, 35304ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 35314ccd83f4SRoi Dayan priv->netdev->name, 35324ccd83f4SRoi Dayan out_dev->name); 3533a54e20b4SHadar Hen Zion return -EINVAL; 3534a54e20b4SHadar Hen Zion } 3535a54e20b4SHadar Hen Zion } 353673867881SPablo Neira Ayuso break; 353773867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 353873867881SPablo Neira Ayuso info = act->tunnel; 3539a54e20b4SHadar Hen Zion if (info) 3540a54e20b4SHadar Hen Zion encap = true; 3541a54e20b4SHadar Hen Zion else 3542a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 354303a9d11eSOr Gerlitz 354473867881SPablo Neira Ayuso break; 354573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 354673867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 354776b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 354876b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 354976b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 355076b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 355176b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 355276b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 355376b496b1SEli Britstein act, parse_attr, hdrs, 355476b496b1SEli Britstein &action, extack); 355576b496b1SEli Britstein } else { 355673867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 355776b496b1SEli Britstein } 35581482bd3dSJianbo Liu if (err) 35591482bd3dSJianbo Liu return err; 35601482bd3dSJianbo Liu 3561e85e02baSEli Britstein attr->split_count = attr->out_count; 356273867881SPablo Neira Ayuso break; 3563bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3564bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3565bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3566bdc837eeSEli Britstein act, parse_attr, hdrs, 3567bdc837eeSEli Britstein &action, extack); 3568bdc837eeSEli Britstein if (err) 3569bdc837eeSEli Britstein return err; 3570bdc837eeSEli Britstein 3571bdc837eeSEli Britstein attr->split_count = attr->out_count; 3572bdc837eeSEli Britstein break; 357373867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 35741cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 357573867881SPablo Neira Ayuso break; 35762fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 35772fbbc30dSEli Cohen err = mlx5_validate_goto_chain(esw, flow, act, action, 35782fbbc30dSEli Cohen extack); 35792fbbc30dSEli Cohen if (err) 35802fbbc30dSEli Cohen return err; 3581bf07aa73SPaul Blakey 3582e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 35832fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 358473867881SPablo Neira Ayuso break; 358573867881SPablo Neira Ayuso default: 35862cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 35872cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 358803a9d11eSOr Gerlitz } 358973867881SPablo Neira Ayuso } 3590bdd66ac0SOr Gerlitz 35910bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 35920bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 35930bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 35940bac1194SEli Britstein * tag rewrite. 35950bac1194SEli Britstein */ 35960bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 35970bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 35980bac1194SEli Britstein &action, extack); 35990bac1194SEli Britstein if (err) 36000bac1194SEli Britstein return err; 36010bac1194SEli Britstein } 36020bac1194SEli Britstein 3603c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3604c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 360584be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 360627c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3607c500c86bSPablo Neira Ayuso if (err) 3608c500c86bSPablo Neira Ayuso return err; 360927c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 361027c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 361127c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 361227c11b6bSEli Britstein */ 361327c11b6bSEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 361427c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3615e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 361627c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 361727c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 361827c11b6bSEli Britstein attr->split_count = 0; 361927c11b6bSEli Britstein } 3620c500c86bSPablo Neira Ayuso } 3621c500c86bSPablo Neira Ayuso 36221cab1cd7SOr Gerlitz attr->action = action; 362373867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3624bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3625bdd66ac0SOr Gerlitz 3626e88afe75SOr Gerlitz if (attr->dest_chain) { 3627e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 362861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 362961644c3dSRoi Dayan "Mirroring goto chain rules isn't supported"); 3630e88afe75SOr Gerlitz return -EOPNOTSUPP; 3631e88afe75SOr Gerlitz } 3632e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3633e88afe75SOr Gerlitz } 3634e88afe75SOr Gerlitz 3635ae2741e2SVlad Buslov if (!(attr->action & 3636ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 363761644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 363861644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 3639ae2741e2SVlad Buslov return -EOPNOTSUPP; 3640ae2741e2SVlad Buslov } 3641ae2741e2SVlad Buslov 3642e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3643e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3644e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3645592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3646592d3651SChris Mi return -EOPNOTSUPP; 3647592d3651SChris Mi } 3648592d3651SChris Mi 364931c8eba5SOr Gerlitz return 0; 365003a9d11eSOr Gerlitz } 365103a9d11eSOr Gerlitz 3652226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 365360bd4af8SOr Gerlitz { 3654226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 365560bd4af8SOr Gerlitz 3656226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3657226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3658226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3659226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 366060bd4af8SOr Gerlitz 3661226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3662226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3663226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3664226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 366584179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 366684179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 3667d9ee0491SOr Gerlitz 366860bd4af8SOr Gerlitz *flow_flags = __flow_flags; 366960bd4af8SOr Gerlitz } 367060bd4af8SOr Gerlitz 367105866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 367205866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 367305866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 367405866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 367505866c82SOr Gerlitz .automatic_shrinking = true, 367605866c82SOr Gerlitz }; 367705866c82SOr Gerlitz 3678226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3679226f2ca3SVlad Buslov unsigned long flags) 368005866c82SOr Gerlitz { 3681655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3682655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3683655dc3d2SOr Gerlitz 3684226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3685655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3686ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3687d9ee0491SOr Gerlitz } else /* NIC offload */ 368805866c82SOr Gerlitz return &priv->fs.tc.ht; 368905866c82SOr Gerlitz } 369005866c82SOr Gerlitz 369104de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 369204de7ddaSRoi Dayan { 36931418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3694b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 3695226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 36961418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 36971418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 36981418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 36991418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 37001418ddd9SAviv Heller 370110fbb1cdSRoi Dayan if (!esw_paired) 370210fbb1cdSRoi Dayan return false; 370310fbb1cdSRoi Dayan 370410fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 370510fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 370610fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 370710fbb1cdSRoi Dayan return true; 370810fbb1cdSRoi Dayan 370910fbb1cdSRoi Dayan return false; 371004de7ddaSRoi Dayan } 371104de7ddaSRoi Dayan 3712a88780a9SRoi Dayan static int 3713a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3714226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3715a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3716a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3717e3a2b7edSAmir Vadai { 371817091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 37193bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 37205a7e5bcbSVlad Buslov int out_index, err; 3721776b12b6SOr Gerlitz 372265ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 37231b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 372417091853SOr Gerlitz if (!parse_attr || !flow) { 3725e3a2b7edSAmir Vadai err = -ENOMEM; 3726e3a2b7edSAmir Vadai goto err_free; 3727e3a2b7edSAmir Vadai } 3728e3a2b7edSAmir Vadai 3729e3a2b7edSAmir Vadai flow->cookie = f->cookie; 373065ba8fb7SOr Gerlitz flow->flags = flow_flags; 3731655dc3d2SOr Gerlitz flow->priv = priv; 37325a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 37335a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 37345a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 37355a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 37365a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 373795435ad7SVlad Buslov init_completion(&flow->init_done); 3738e3a2b7edSAmir Vadai 3739a88780a9SRoi Dayan *__flow = flow; 3740a88780a9SRoi Dayan *__parse_attr = parse_attr; 3741a88780a9SRoi Dayan 3742a88780a9SRoi Dayan return 0; 3743a88780a9SRoi Dayan 3744a88780a9SRoi Dayan err_free: 3745a88780a9SRoi Dayan kfree(flow); 3746a88780a9SRoi Dayan kvfree(parse_attr); 3747a88780a9SRoi Dayan return err; 3748adb4c123SOr Gerlitz } 3749adb4c123SOr Gerlitz 3750988ab9c7STonghao Zhang static void 3751988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 3752988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3753988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3754f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3755988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3756988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3757988ab9c7STonghao Zhang { 3758988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3759988ab9c7STonghao Zhang 3760988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 3761988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 3762ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 3763988ab9c7STonghao Zhang 3764988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3765988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3766988ab9c7STonghao Zhang 3767988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3768988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3769988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3770988ab9c7STonghao Zhang else 3771988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3772988ab9c7STonghao Zhang } 3773988ab9c7STonghao Zhang 377471129676SJason Gunthorpe static struct mlx5e_tc_flow * 377504de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3776f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3777226f2ca3SVlad Buslov unsigned long flow_flags, 3778d11afc26SOz Shlomo struct net_device *filter_dev, 377904de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 378071129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 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 3788226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3789a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3790a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3791a88780a9SRoi Dayan &parse_attr, &flow); 3792a88780a9SRoi Dayan if (err) 3793a88780a9SRoi Dayan goto out; 3794988ab9c7STonghao Zhang 3795d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3796988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 3797988ab9c7STonghao Zhang priv, parse_attr, 3798988ab9c7STonghao Zhang f, in_rep, in_mdev); 3799988ab9c7STonghao Zhang 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; 3804a88780a9SRoi Dayan 38056f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 3806a88780a9SRoi Dayan if (err) 3807a88780a9SRoi Dayan goto err_free; 3808a88780a9SRoi Dayan 38097040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 381095435ad7SVlad Buslov complete_all(&flow->init_done); 3811ef06c9eeSRoi Dayan if (err) { 3812ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3813aa0cbbaeSOr Gerlitz goto err_free; 38145c40348cSOr Gerlitz 3815b4a23329SRoi Dayan add_unready_flow(flow); 3816ef06c9eeSRoi Dayan } 3817ef06c9eeSRoi Dayan 381871129676SJason Gunthorpe return flow; 3819e3a2b7edSAmir Vadai 3820e3a2b7edSAmir Vadai err_free: 38215a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3822a88780a9SRoi Dayan out: 382371129676SJason Gunthorpe return ERR_PTR(err); 3824a88780a9SRoi Dayan } 3825a88780a9SRoi Dayan 3826f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 382795dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 3828226f2ca3SVlad Buslov unsigned long flow_flags) 382904de7ddaSRoi Dayan { 383004de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 383104de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 383204de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 383304de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 383404de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 383504de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 383604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 383704de7ddaSRoi Dayan int err = 0; 383804de7ddaSRoi Dayan 383904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 384004de7ddaSRoi Dayan if (!peer_esw) 384104de7ddaSRoi Dayan return -ENODEV; 384204de7ddaSRoi Dayan 384304de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 384404de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 384504de7ddaSRoi Dayan 384604de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 384704de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 384804de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 384904de7ddaSRoi Dayan * peer mdev. 385004de7ddaSRoi Dayan */ 3851b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 385204de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 385304de7ddaSRoi Dayan else 385404de7ddaSRoi Dayan in_mdev = priv->mdev; 385504de7ddaSRoi Dayan 385604de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 385795dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 385804de7ddaSRoi Dayan parse_attr->filter_dev, 385971129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 386071129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 386171129676SJason Gunthorpe err = PTR_ERR(peer_flow); 386204de7ddaSRoi Dayan goto out; 386371129676SJason Gunthorpe } 386404de7ddaSRoi Dayan 386504de7ddaSRoi Dayan flow->peer_flow = peer_flow; 3866226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 386704de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 386804de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 386904de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 387004de7ddaSRoi Dayan 387104de7ddaSRoi Dayan out: 387204de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 387304de7ddaSRoi Dayan return err; 387404de7ddaSRoi Dayan } 387504de7ddaSRoi Dayan 387604de7ddaSRoi Dayan static int 387704de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3878f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3879226f2ca3SVlad Buslov unsigned long flow_flags, 388004de7ddaSRoi Dayan struct net_device *filter_dev, 388104de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 388204de7ddaSRoi Dayan { 388304de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 388404de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 388504de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 388604de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 388704de7ddaSRoi Dayan int err; 388804de7ddaSRoi Dayan 388971129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 389071129676SJason Gunthorpe in_mdev); 389171129676SJason Gunthorpe if (IS_ERR(flow)) 389271129676SJason Gunthorpe return PTR_ERR(flow); 389304de7ddaSRoi Dayan 389404de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 389595dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 389604de7ddaSRoi Dayan if (err) { 389704de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 389804de7ddaSRoi Dayan goto out; 389904de7ddaSRoi Dayan } 390004de7ddaSRoi Dayan } 390104de7ddaSRoi Dayan 390204de7ddaSRoi Dayan *__flow = flow; 390304de7ddaSRoi Dayan 390404de7ddaSRoi Dayan return 0; 390504de7ddaSRoi Dayan 390604de7ddaSRoi Dayan out: 390704de7ddaSRoi Dayan return err; 390804de7ddaSRoi Dayan } 390904de7ddaSRoi Dayan 3910a88780a9SRoi Dayan static int 3911a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3912f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3913226f2ca3SVlad Buslov unsigned long flow_flags, 3914d11afc26SOz Shlomo struct net_device *filter_dev, 3915a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3916a88780a9SRoi Dayan { 3917f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3918a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3919a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3920a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3921a88780a9SRoi Dayan int attr_size, err; 3922a88780a9SRoi Dayan 3923bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3924bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3925bf07aa73SPaul Blakey return -EOPNOTSUPP; 3926bf07aa73SPaul Blakey 3927226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3928a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3929a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3930a88780a9SRoi Dayan &parse_attr, &flow); 3931a88780a9SRoi Dayan if (err) 3932a88780a9SRoi Dayan goto out; 3933a88780a9SRoi Dayan 3934d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 393554c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 393654c177caSOz Shlomo f, filter_dev); 3937d11afc26SOz Shlomo if (err) 3938d11afc26SOz Shlomo goto err_free; 3939d11afc26SOz Shlomo 394073867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3941a88780a9SRoi Dayan if (err) 3942a88780a9SRoi Dayan goto err_free; 3943a88780a9SRoi Dayan 3944a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3945a88780a9SRoi Dayan if (err) 3946a88780a9SRoi Dayan goto err_free; 3947a88780a9SRoi Dayan 3948226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 3949a88780a9SRoi Dayan kvfree(parse_attr); 3950a88780a9SRoi Dayan *__flow = flow; 3951a88780a9SRoi Dayan 3952a88780a9SRoi Dayan return 0; 3953a88780a9SRoi Dayan 3954a88780a9SRoi Dayan err_free: 39555a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3956a88780a9SRoi Dayan kvfree(parse_attr); 3957a88780a9SRoi Dayan out: 3958a88780a9SRoi Dayan return err; 3959a88780a9SRoi Dayan } 3960a88780a9SRoi Dayan 3961a88780a9SRoi Dayan static int 3962a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3963f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3964226f2ca3SVlad Buslov unsigned long flags, 3965d11afc26SOz Shlomo struct net_device *filter_dev, 3966a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3967a88780a9SRoi Dayan { 3968a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3969226f2ca3SVlad Buslov unsigned long flow_flags; 3970a88780a9SRoi Dayan int err; 3971a88780a9SRoi Dayan 3972a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3973a88780a9SRoi Dayan 3974bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3975bf07aa73SPaul Blakey return -EOPNOTSUPP; 3976bf07aa73SPaul Blakey 3977f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3978d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3979d11afc26SOz Shlomo filter_dev, flow); 3980a88780a9SRoi Dayan else 3981d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3982d11afc26SOz Shlomo filter_dev, flow); 3983a88780a9SRoi Dayan 3984a88780a9SRoi Dayan return err; 3985a88780a9SRoi Dayan } 3986a88780a9SRoi Dayan 398771d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3988226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3989a88780a9SRoi Dayan { 3990a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3991d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3992a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3993a88780a9SRoi Dayan int err = 0; 3994a88780a9SRoi Dayan 3995c5d326b2SVlad Buslov rcu_read_lock(); 3996c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3997c5d326b2SVlad Buslov rcu_read_unlock(); 3998a88780a9SRoi Dayan if (flow) { 3999a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4000a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4001a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4002a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4003a88780a9SRoi Dayan f->cookie); 40040e1c1a2fSVlad Buslov err = -EEXIST; 4005a88780a9SRoi Dayan goto out; 4006a88780a9SRoi Dayan } 4007a88780a9SRoi Dayan 40087a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4009d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4010a88780a9SRoi Dayan if (err) 4011a88780a9SRoi Dayan goto out; 4012a88780a9SRoi Dayan 4013c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4014a88780a9SRoi Dayan if (err) 4015a88780a9SRoi Dayan goto err_free; 4016a88780a9SRoi Dayan 4017a88780a9SRoi Dayan return 0; 4018a88780a9SRoi Dayan 4019a88780a9SRoi Dayan err_free: 40205a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4021a88780a9SRoi Dayan out: 4022e3a2b7edSAmir Vadai return err; 4023e3a2b7edSAmir Vadai } 4024e3a2b7edSAmir Vadai 40258f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 40268f8ae895SOr Gerlitz { 4027226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4028226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 40298f8ae895SOr Gerlitz 4030226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4031226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 40328f8ae895SOr Gerlitz } 40338f8ae895SOr Gerlitz 403471d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4035226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4036e3a2b7edSAmir Vadai { 4037d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4038e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4039c5d326b2SVlad Buslov int err; 4040e3a2b7edSAmir Vadai 4041c5d326b2SVlad Buslov rcu_read_lock(); 4042ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4043c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4044c5d326b2SVlad Buslov err = -EINVAL; 4045c5d326b2SVlad Buslov goto errout; 4046c5d326b2SVlad Buslov } 4047e3a2b7edSAmir Vadai 4048c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4049c5d326b2SVlad Buslov * set. 4050c5d326b2SVlad Buslov */ 4051c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4052c5d326b2SVlad Buslov err = -EINVAL; 4053c5d326b2SVlad Buslov goto errout; 4054c5d326b2SVlad Buslov } 405505866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4056c5d326b2SVlad Buslov rcu_read_unlock(); 4057e3a2b7edSAmir Vadai 40587a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 40595a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4060e3a2b7edSAmir Vadai 4061e3a2b7edSAmir Vadai return 0; 4062c5d326b2SVlad Buslov 4063c5d326b2SVlad Buslov errout: 4064c5d326b2SVlad Buslov rcu_read_unlock(); 4065c5d326b2SVlad Buslov return err; 4066e3a2b7edSAmir Vadai } 4067e3a2b7edSAmir Vadai 406871d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4069226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4070aad7e08dSAmir Vadai { 407104de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4072d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 407304de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4074aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4075aad7e08dSAmir Vadai struct mlx5_fc *counter; 4076316d5f72SRoi Dayan u64 lastuse = 0; 4077316d5f72SRoi Dayan u64 packets = 0; 4078316d5f72SRoi Dayan u64 bytes = 0; 40795a7e5bcbSVlad Buslov int err = 0; 4080aad7e08dSAmir Vadai 4081c5d326b2SVlad Buslov rcu_read_lock(); 4082c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 40835a7e5bcbSVlad Buslov tc_ht_params)); 4084c5d326b2SVlad Buslov rcu_read_unlock(); 40855a7e5bcbSVlad Buslov if (IS_ERR(flow)) 40865a7e5bcbSVlad Buslov return PTR_ERR(flow); 40875a7e5bcbSVlad Buslov 40885a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 40895a7e5bcbSVlad Buslov err = -EINVAL; 40905a7e5bcbSVlad Buslov goto errout; 40915a7e5bcbSVlad Buslov } 4092aad7e08dSAmir Vadai 4093226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 4094b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4095aad7e08dSAmir Vadai if (!counter) 40965a7e5bcbSVlad Buslov goto errout; 4097aad7e08dSAmir Vadai 4098aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4099316d5f72SRoi Dayan } 4100aad7e08dSAmir Vadai 4101316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4102316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4103316d5f72SRoi Dayan */ 410404de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 410504de7ddaSRoi Dayan if (!peer_esw) 410604de7ddaSRoi Dayan goto out; 410704de7ddaSRoi Dayan 4108226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4109226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 411004de7ddaSRoi Dayan u64 bytes2; 411104de7ddaSRoi Dayan u64 packets2; 411204de7ddaSRoi Dayan u64 lastuse2; 411304de7ddaSRoi Dayan 411404de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4115316d5f72SRoi Dayan if (!counter) 4116316d5f72SRoi Dayan goto no_peer_counter; 411704de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 411804de7ddaSRoi Dayan 411904de7ddaSRoi Dayan bytes += bytes2; 412004de7ddaSRoi Dayan packets += packets2; 412104de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 412204de7ddaSRoi Dayan } 412304de7ddaSRoi Dayan 4124316d5f72SRoi Dayan no_peer_counter: 412504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 412604de7ddaSRoi Dayan out: 41273b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 41287a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 41295a7e5bcbSVlad Buslov errout: 41305a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 41315a7e5bcbSVlad Buslov return err; 4132aad7e08dSAmir Vadai } 4133aad7e08dSAmir Vadai 4134fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 4135fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4136fcb64c0fSEli Cohen { 4137fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4138fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 4139fcb64c0fSEli Cohen u16 vport_num; 4140fcb64c0fSEli Cohen u32 rate_mbps; 4141fcb64c0fSEli Cohen int err; 4142fcb64c0fSEli Cohen 4143e401a184SEli Cohen vport_num = rpriv->rep->vport; 4144e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4145e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4146e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4147e401a184SEli Cohen return -EOPNOTSUPP; 4148e401a184SEli Cohen } 4149e401a184SEli Cohen 4150fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4151fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4152fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4153fcb64c0fSEli Cohen * mbit means million bits. 4154fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4155fcb64c0fSEli Cohen * 1 mbit/sec. 4156fcb64c0fSEli Cohen */ 4157fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 4158fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4159fcb64c0fSEli Cohen if (err) 4160fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4161fcb64c0fSEli Cohen 4162fcb64c0fSEli Cohen return err; 4163fcb64c0fSEli Cohen } 4164fcb64c0fSEli Cohen 4165fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4166fcb64c0fSEli Cohen struct flow_action *flow_action, 4167fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4168fcb64c0fSEli Cohen { 4169fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4170fcb64c0fSEli Cohen const struct flow_action_entry *act; 4171fcb64c0fSEli Cohen int err; 4172fcb64c0fSEli Cohen int i; 4173fcb64c0fSEli Cohen 4174fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4175fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4176fcb64c0fSEli Cohen return -EINVAL; 4177fcb64c0fSEli Cohen } 4178fcb64c0fSEli Cohen 4179fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4180fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4181fcb64c0fSEli Cohen return -EOPNOTSUPP; 4182fcb64c0fSEli Cohen } 4183fcb64c0fSEli Cohen 4184319a1d19SJiri Pirko if (!flow_action_basic_hw_stats_types_check(flow_action, extack)) 4185319a1d19SJiri Pirko return -EOPNOTSUPP; 4186319a1d19SJiri Pirko 4187fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4188fcb64c0fSEli Cohen switch (act->id) { 4189fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 4190fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4191fcb64c0fSEli Cohen if (err) 4192fcb64c0fSEli Cohen return err; 4193fcb64c0fSEli Cohen 4194fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4195fcb64c0fSEli Cohen break; 4196fcb64c0fSEli Cohen default: 4197fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4198fcb64c0fSEli Cohen return -EOPNOTSUPP; 4199fcb64c0fSEli Cohen } 4200fcb64c0fSEli Cohen } 4201fcb64c0fSEli Cohen 4202fcb64c0fSEli Cohen return 0; 4203fcb64c0fSEli Cohen } 4204fcb64c0fSEli Cohen 4205fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4206fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4207fcb64c0fSEli Cohen { 4208fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4209fcb64c0fSEli Cohen 42107b83355fSEli Cohen if (ma->common.prio != 1) { 4211fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4212fcb64c0fSEli Cohen return -EINVAL; 4213fcb64c0fSEli Cohen } 4214fcb64c0fSEli Cohen 4215fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4216fcb64c0fSEli Cohen } 4217fcb64c0fSEli Cohen 4218fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4219fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4220fcb64c0fSEli Cohen { 4221fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4222fcb64c0fSEli Cohen 4223fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4224fcb64c0fSEli Cohen } 4225fcb64c0fSEli Cohen 4226fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4227fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4228fcb64c0fSEli Cohen { 4229fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4230fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4231fcb64c0fSEli Cohen u64 dbytes; 4232fcb64c0fSEli Cohen u64 dpkts; 4233fcb64c0fSEli Cohen 4234fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4235fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4236fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4237fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 4238fcb64c0fSEli Cohen flow_stats_update(&ma->stats, dpkts, dbytes, jiffies); 4239fcb64c0fSEli Cohen } 4240fcb64c0fSEli Cohen 42414d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 42424d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 42434d8fcf21SAlaa Hleihel { 42444d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4245db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4246db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 42474d8fcf21SAlaa Hleihel u16 peer_vhca_id; 42484d8fcf21SAlaa Hleihel int bkt; 42494d8fcf21SAlaa Hleihel 42504d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 42514d8fcf21SAlaa Hleihel return; 42524d8fcf21SAlaa Hleihel 42534d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 42544d8fcf21SAlaa Hleihel 4255b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4256db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4257db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4258db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4259b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4260db76ca24SVlad Buslov 4261db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4262db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4263db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4264db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4265db76ca24SVlad Buslov 4266db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4267db76ca24SVlad Buslov } 42684d8fcf21SAlaa Hleihel } 42694d8fcf21SAlaa Hleihel 42704d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 42714d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 42724d8fcf21SAlaa Hleihel { 42734d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 42744d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 42754d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 42764d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 42774d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 42784d8fcf21SAlaa Hleihel 42794d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 42804d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 42814d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 42824d8fcf21SAlaa Hleihel return NOTIFY_DONE; 42834d8fcf21SAlaa Hleihel 42844d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 42854d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 42864d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 42874d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 42884d8fcf21SAlaa Hleihel if (priv == peer_priv || 42894d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 42904d8fcf21SAlaa Hleihel return NOTIFY_DONE; 42914d8fcf21SAlaa Hleihel 42924d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 42934d8fcf21SAlaa Hleihel 42944d8fcf21SAlaa Hleihel return NOTIFY_DONE; 42954d8fcf21SAlaa Hleihel } 42964d8fcf21SAlaa Hleihel 4297655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4298e8f887acSAmir Vadai { 4299acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 43004d8fcf21SAlaa Hleihel int err; 4301e8f887acSAmir Vadai 4302b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4303d2faae25SVlad Buslov mutex_init(&tc->mod_hdr.lock); 4304dd58edc3SVlad Buslov hash_init(tc->mod_hdr.hlist); 4305b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 43065c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 430711c9c548SOr Gerlitz 43084d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 43094d8fcf21SAlaa Hleihel if (err) 43104d8fcf21SAlaa Hleihel return err; 43114d8fcf21SAlaa Hleihel 43124d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4313d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4314d48834f9SJiri Pirko &tc->netdevice_nb, 4315d48834f9SJiri Pirko &tc->netdevice_nn); 4316d48834f9SJiri Pirko if (err) { 43174d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 43184d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 43194d8fcf21SAlaa Hleihel } 43204d8fcf21SAlaa Hleihel 43214d8fcf21SAlaa Hleihel return err; 4322e8f887acSAmir Vadai } 4323e8f887acSAmir Vadai 4324e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4325e8f887acSAmir Vadai { 4326e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4327655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4328e8f887acSAmir Vadai 4329961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4330e8f887acSAmir Vadai kfree(flow); 4331e8f887acSAmir Vadai } 4332e8f887acSAmir Vadai 4333655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4334e8f887acSAmir Vadai { 4335acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4336e8f887acSAmir Vadai 43374d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4338d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4339d48834f9SJiri Pirko &tc->netdevice_nb, 4340d48834f9SJiri Pirko &tc->netdevice_nn); 43414d8fcf21SAlaa Hleihel 4342d2faae25SVlad Buslov mutex_destroy(&tc->mod_hdr.lock); 4343b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4344b32accdaSVlad Buslov 4345d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4346e8f887acSAmir Vadai 4347acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4348acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4349acff797cSMaor Gottlieb tc->t = NULL; 4350e8f887acSAmir Vadai } 4351b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4352e8f887acSAmir Vadai } 4353655dc3d2SOr Gerlitz 4354655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4355655dc3d2SOr Gerlitz { 4356655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 4357655dc3d2SOr Gerlitz } 4358655dc3d2SOr Gerlitz 4359655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4360655dc3d2SOr Gerlitz { 4361655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 4362655dc3d2SOr Gerlitz } 436301252a27SOr Gerlitz 4364226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 436501252a27SOr Gerlitz { 4366d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 436701252a27SOr Gerlitz 436801252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 436901252a27SOr Gerlitz } 437004de7ddaSRoi Dayan 437104de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 437204de7ddaSRoi Dayan { 437304de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 437404de7ddaSRoi Dayan 437504de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 437604de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 437704de7ddaSRoi Dayan } 4378b4a23329SRoi Dayan 4379b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4380b4a23329SRoi Dayan { 4381b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4382b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4383b4a23329SRoi Dayan reoffload_flows_work); 4384b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4385b4a23329SRoi Dayan 4386ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4387b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4388b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4389ad86755bSVlad Buslov unready_flow_del(flow); 4390b4a23329SRoi Dayan } 4391ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4392b4a23329SRoi Dayan } 4393