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" 543f6d08d1SOr Gerlitz #include "fs_core.h" 552c81bfd5SHuy Nguyen #include "en/port.h" 56101f4de9SOz Shlomo #include "en/tc_tun.h" 5704de7ddaSRoi Dayan #include "lib/devcom.h" 589272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 597a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 60e8f887acSAmir Vadai 613bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 623bc4b7bfSOr Gerlitz u32 action; 633bc4b7bfSOr Gerlitz u32 flow_tag; 642b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 655c65c564SOr Gerlitz u32 hairpin_tirn; 6638aa51c1SOr Gerlitz u8 match_level; 673f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 68b8aee822SMark Bloch struct mlx5_fc *counter; 693bc4b7bfSOr Gerlitz }; 703bc4b7bfSOr Gerlitz 71226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 7260bd4af8SOr Gerlitz 7365ba8fb7SOr Gerlitz enum { 74226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 75226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 76226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 7784179981SPaul Blakey MLX5E_TC_FLOW_FLAG_FT = MLX5E_TC_FLAG_FT_OFFLOAD_BIT, 78226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 79226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 80226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 81226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 82226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 83226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 84226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 85c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 8665ba8fb7SOr Gerlitz }; 8765ba8fb7SOr Gerlitz 88e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 89e4ad91f2SChris Mi 9079baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 9179baaec7SEli Britstein * Containing struct 9279baaec7SEli Britstein * |- Helper array 9379baaec7SEli Britstein * [0] Helper item 0 9479baaec7SEli Britstein * |- list_head item 0 9579baaec7SEli Britstein * |- index (0) 9679baaec7SEli Britstein * [1] Helper item 1 9779baaec7SEli Britstein * |- list_head item 1 9879baaec7SEli Britstein * |- index (1) 9979baaec7SEli Britstein * To access the containing struct from one of the list_head items: 10079baaec7SEli Britstein * 1. Get the helper item from the list_head item using 10179baaec7SEli Britstein * helper item = 10279baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 10379baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 10479baaec7SEli Britstein * containing struct = 10579baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 10679baaec7SEli Britstein */ 10779baaec7SEli Britstein struct encap_flow_item { 108948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 10979baaec7SEli Britstein struct list_head list; 11079baaec7SEli Britstein int index; 11179baaec7SEli Britstein }; 11279baaec7SEli Britstein 113e8f887acSAmir Vadai struct mlx5e_tc_flow { 114e8f887acSAmir Vadai struct rhash_head node; 115655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 116e8f887acSAmir Vadai u64 cookie; 117226f2ca3SVlad Buslov unsigned long flags; 118e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11979baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 12079baaec7SEli Britstein * The number of encaps is bounded by the number of supported 12179baaec7SEli Britstein * destinations. 12279baaec7SEli Britstein */ 12379baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 12404de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 125dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh; /* attached mod header instance */ 12611c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 127e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1285c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 12904de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 130b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1312a1f1768SVlad Buslov int tmp_efi_index; 1326a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1335a7e5bcbSVlad Buslov refcount_t refcnt; 134c5d326b2SVlad Buslov struct rcu_head rcu_head; 13595435ad7SVlad Buslov struct completion init_done; 1363bc4b7bfSOr Gerlitz union { 137ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1383bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1393bc4b7bfSOr Gerlitz }; 140e8f887acSAmir Vadai }; 141e8f887acSAmir Vadai 14217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1431f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 144d11afc26SOz Shlomo struct net_device *filter_dev; 14517091853SOr Gerlitz struct mlx5_flow_spec spec; 146d79b6df6SOr Gerlitz int num_mod_hdr_actions; 147218d05ceSTonghao Zhang int max_mod_hdr_actions; 148d79b6df6SOr Gerlitz void *mod_hdr_actions; 14998b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 15017091853SOr Gerlitz }; 15117091853SOr Gerlitz 152acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 153b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 154e8f887acSAmir Vadai 15577ab67b7SOr Gerlitz struct mlx5e_hairpin { 15677ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 15777ab67b7SOr Gerlitz 15877ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1593f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 16077ab67b7SOr Gerlitz u32 tdn; 16177ab67b7SOr Gerlitz u32 tirn; 1623f6d08d1SOr Gerlitz 1633f6d08d1SOr Gerlitz int num_channels; 1643f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1653f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1663f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 16777ab67b7SOr Gerlitz }; 16877ab67b7SOr Gerlitz 1695c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1705c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1715c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1725c65c564SOr Gerlitz 17373edca73SVlad Buslov /* protects flows list */ 17473edca73SVlad Buslov spinlock_t flows_lock; 1755c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1765c65c564SOr Gerlitz struct list_head flows; 177db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 178db76ca24SVlad Buslov * function traversed them. 179db76ca24SVlad Buslov */ 180db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 1815c65c564SOr Gerlitz 182d8822868SOr Gerlitz u16 peer_vhca_id; 183106be53bSOr Gerlitz u8 prio; 1845c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 185e4f9abbdSVlad Buslov refcount_t refcnt; 186db76ca24SVlad Buslov struct completion res_ready; 1875c65c564SOr Gerlitz }; 1885c65c564SOr Gerlitz 18911c9c548SOr Gerlitz struct mod_hdr_key { 19011c9c548SOr Gerlitz int num_actions; 19111c9c548SOr Gerlitz void *actions; 19211c9c548SOr Gerlitz }; 19311c9c548SOr Gerlitz 19411c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 19511c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 19611c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 19711c9c548SOr Gerlitz 19883a52f0dSVlad Buslov /* protects flows list */ 19983a52f0dSVlad Buslov spinlock_t flows_lock; 20011c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 20111c9c548SOr Gerlitz struct list_head flows; 20211c9c548SOr Gerlitz 20311c9c548SOr Gerlitz struct mod_hdr_key key; 20411c9c548SOr Gerlitz 2052b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 206dd58edc3SVlad Buslov 207dd58edc3SVlad Buslov refcount_t refcnt; 208a734d007SVlad Buslov struct completion res_ready; 209a734d007SVlad Buslov int compl_result; 21011c9c548SOr Gerlitz }; 21111c9c548SOr Gerlitz 21211c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 21311c9c548SOr Gerlitz 2145a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2155a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 2165a7e5bcbSVlad Buslov 2175a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 2185a7e5bcbSVlad Buslov { 2195a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 2205a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 2215a7e5bcbSVlad Buslov return flow; 2225a7e5bcbSVlad Buslov } 2235a7e5bcbSVlad Buslov 2245a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 2255a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 2265a7e5bcbSVlad Buslov { 2275a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 2285a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 229c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 2305a7e5bcbSVlad Buslov } 2315a7e5bcbSVlad Buslov } 2325a7e5bcbSVlad Buslov 233226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 234226f2ca3SVlad Buslov { 235226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 236226f2ca3SVlad Buslov smp_mb__before_atomic(); 237226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 238226f2ca3SVlad Buslov } 239226f2ca3SVlad Buslov 240226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 241226f2ca3SVlad Buslov 242c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 243c5d326b2SVlad Buslov unsigned long flag) 244c5d326b2SVlad Buslov { 245c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 246c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 247c5d326b2SVlad Buslov } 248c5d326b2SVlad Buslov 249c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 250c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 251c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 252c5d326b2SVlad Buslov 253226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 254226f2ca3SVlad Buslov { 255226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 256226f2ca3SVlad Buslov smp_mb__before_atomic(); 257226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 258226f2ca3SVlad Buslov } 259226f2ca3SVlad Buslov 260226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 261226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 262226f2ca3SVlad Buslov 263226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 264226f2ca3SVlad Buslov { 265226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 266226f2ca3SVlad Buslov 267226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 268226f2ca3SVlad Buslov smp_mb__after_atomic(); 269226f2ca3SVlad Buslov return ret; 270226f2ca3SVlad Buslov } 271226f2ca3SVlad Buslov 272226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 273226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 274226f2ca3SVlad Buslov 275226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 276226f2ca3SVlad Buslov { 277226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 278226f2ca3SVlad Buslov } 279226f2ca3SVlad Buslov 28084179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 28184179981SPaul Blakey { 28284179981SPaul Blakey return flow_flag_test(flow, FT); 28384179981SPaul Blakey } 28484179981SPaul Blakey 285226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 286226f2ca3SVlad Buslov { 287226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 288226f2ca3SVlad Buslov } 289226f2ca3SVlad Buslov 29011c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 29111c9c548SOr Gerlitz { 29211c9c548SOr Gerlitz return jhash(key->actions, 29311c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 29411c9c548SOr Gerlitz } 29511c9c548SOr Gerlitz 29611c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 29711c9c548SOr Gerlitz struct mod_hdr_key *b) 29811c9c548SOr Gerlitz { 29911c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 30011c9c548SOr Gerlitz return 1; 30111c9c548SOr Gerlitz 30211c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 30311c9c548SOr Gerlitz } 30411c9c548SOr Gerlitz 305dd58edc3SVlad Buslov static struct mod_hdr_tbl * 306dd58edc3SVlad Buslov get_mod_hdr_table(struct mlx5e_priv *priv, int namespace) 307dd58edc3SVlad Buslov { 308dd58edc3SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 309dd58edc3SVlad Buslov 310dd58edc3SVlad Buslov return namespace == MLX5_FLOW_NAMESPACE_FDB ? &esw->offloads.mod_hdr : 311dd58edc3SVlad Buslov &priv->fs.tc.mod_hdr; 312dd58edc3SVlad Buslov } 313dd58edc3SVlad Buslov 314dd58edc3SVlad Buslov static struct mlx5e_mod_hdr_entry * 315dd58edc3SVlad Buslov mlx5e_mod_hdr_get(struct mod_hdr_tbl *tbl, struct mod_hdr_key *key, u32 hash_key) 316dd58edc3SVlad Buslov { 317dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh, *found = NULL; 318dd58edc3SVlad Buslov 319dd58edc3SVlad Buslov hash_for_each_possible(tbl->hlist, mh, mod_hdr_hlist, hash_key) { 320dd58edc3SVlad Buslov if (!cmp_mod_hdr_info(&mh->key, key)) { 321dd58edc3SVlad Buslov refcount_inc(&mh->refcnt); 322dd58edc3SVlad Buslov found = mh; 323dd58edc3SVlad Buslov break; 324dd58edc3SVlad Buslov } 325dd58edc3SVlad Buslov } 326dd58edc3SVlad Buslov 327dd58edc3SVlad Buslov return found; 328dd58edc3SVlad Buslov } 329dd58edc3SVlad Buslov 330dd58edc3SVlad Buslov static void mlx5e_mod_hdr_put(struct mlx5e_priv *priv, 331d2faae25SVlad Buslov struct mlx5e_mod_hdr_entry *mh, 332d2faae25SVlad Buslov int namespace) 333dd58edc3SVlad Buslov { 334d2faae25SVlad Buslov struct mod_hdr_tbl *tbl = get_mod_hdr_table(priv, namespace); 335d2faae25SVlad Buslov 336d2faae25SVlad Buslov if (!refcount_dec_and_mutex_lock(&mh->refcnt, &tbl->lock)) 337dd58edc3SVlad Buslov return; 338d2faae25SVlad Buslov hash_del(&mh->mod_hdr_hlist); 339d2faae25SVlad Buslov mutex_unlock(&tbl->lock); 340dd58edc3SVlad Buslov 341dd58edc3SVlad Buslov WARN_ON(!list_empty(&mh->flows)); 342a734d007SVlad Buslov if (mh->compl_result > 0) 3432b688ea5SMaor Gottlieb mlx5_modify_header_dealloc(priv->mdev, mh->modify_hdr); 344d2faae25SVlad Buslov 345dd58edc3SVlad Buslov kfree(mh); 346dd58edc3SVlad Buslov } 347dd58edc3SVlad Buslov 348d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 349d2faae25SVlad Buslov { 350d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 351d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 352d2faae25SVlad Buslov } 35311c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 35411c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 35511c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 35611c9c548SOr Gerlitz { 35711c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 35811c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 359dd58edc3SVlad Buslov struct mod_hdr_tbl *tbl; 36011c9c548SOr Gerlitz struct mod_hdr_key key; 36111c9c548SOr Gerlitz u32 hash_key; 36211c9c548SOr Gerlitz 36311c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 36411c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 36511c9c548SOr Gerlitz 36611c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 36711c9c548SOr Gerlitz key.num_actions = num_actions; 36811c9c548SOr Gerlitz 36911c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 37011c9c548SOr Gerlitz 371d2faae25SVlad Buslov namespace = get_flow_name_space(flow); 372dd58edc3SVlad Buslov tbl = get_mod_hdr_table(priv, namespace); 37311c9c548SOr Gerlitz 374d2faae25SVlad Buslov mutex_lock(&tbl->lock); 375dd58edc3SVlad Buslov mh = mlx5e_mod_hdr_get(tbl, &key, hash_key); 376a734d007SVlad Buslov if (mh) { 377a734d007SVlad Buslov mutex_unlock(&tbl->lock); 378a734d007SVlad Buslov wait_for_completion(&mh->res_ready); 379a734d007SVlad Buslov 380a734d007SVlad Buslov if (mh->compl_result < 0) { 381a734d007SVlad Buslov err = -EREMOTEIO; 382a734d007SVlad Buslov goto attach_header_err; 383a734d007SVlad Buslov } 38411c9c548SOr Gerlitz goto attach_flow; 385a734d007SVlad Buslov } 38611c9c548SOr Gerlitz 38711c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 388d2faae25SVlad Buslov if (!mh) { 389a734d007SVlad Buslov mutex_unlock(&tbl->lock); 390a734d007SVlad Buslov return -ENOMEM; 391d2faae25SVlad Buslov } 39211c9c548SOr Gerlitz 39311c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 39411c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 39511c9c548SOr Gerlitz mh->key.num_actions = num_actions; 39683a52f0dSVlad Buslov spin_lock_init(&mh->flows_lock); 39711c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 398dd58edc3SVlad Buslov refcount_set(&mh->refcnt, 1); 399a734d007SVlad Buslov init_completion(&mh->res_ready); 400a734d007SVlad Buslov 401a734d007SVlad Buslov hash_add(tbl->hlist, &mh->mod_hdr_hlist, hash_key); 402a734d007SVlad Buslov mutex_unlock(&tbl->lock); 40311c9c548SOr Gerlitz 4042b688ea5SMaor Gottlieb mh->modify_hdr = mlx5_modify_header_alloc(priv->mdev, namespace, 40511c9c548SOr Gerlitz mh->key.num_actions, 4062b688ea5SMaor Gottlieb mh->key.actions); 4072b688ea5SMaor Gottlieb if (IS_ERR(mh->modify_hdr)) { 4082b688ea5SMaor Gottlieb err = PTR_ERR(mh->modify_hdr); 409a734d007SVlad Buslov mh->compl_result = err; 410a734d007SVlad Buslov goto alloc_header_err; 411a734d007SVlad Buslov } 412a734d007SVlad Buslov mh->compl_result = 1; 413a734d007SVlad Buslov complete_all(&mh->res_ready); 41411c9c548SOr Gerlitz 41511c9c548SOr Gerlitz attach_flow: 416dd58edc3SVlad Buslov flow->mh = mh; 41783a52f0dSVlad Buslov spin_lock(&mh->flows_lock); 41811c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 41983a52f0dSVlad Buslov spin_unlock(&mh->flows_lock); 420d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 4212b688ea5SMaor Gottlieb flow->esw_attr->modify_hdr = mh->modify_hdr; 42211c9c548SOr Gerlitz else 4232b688ea5SMaor Gottlieb flow->nic_attr->modify_hdr = mh->modify_hdr; 42411c9c548SOr Gerlitz 42511c9c548SOr Gerlitz return 0; 42611c9c548SOr Gerlitz 427a734d007SVlad Buslov alloc_header_err: 428a734d007SVlad Buslov complete_all(&mh->res_ready); 429a734d007SVlad Buslov attach_header_err: 430a734d007SVlad Buslov mlx5e_mod_hdr_put(priv, mh, namespace); 43111c9c548SOr Gerlitz return err; 43211c9c548SOr Gerlitz } 43311c9c548SOr Gerlitz 43411c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 43511c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 43611c9c548SOr Gerlitz { 4375a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 438dd58edc3SVlad Buslov if (!flow->mh) 4395a7e5bcbSVlad Buslov return; 4405a7e5bcbSVlad Buslov 44183a52f0dSVlad Buslov spin_lock(&flow->mh->flows_lock); 44211c9c548SOr Gerlitz list_del(&flow->mod_hdr); 44383a52f0dSVlad Buslov spin_unlock(&flow->mh->flows_lock); 44411c9c548SOr Gerlitz 445d2faae25SVlad Buslov mlx5e_mod_hdr_put(priv, flow->mh, get_flow_name_space(flow)); 446dd58edc3SVlad Buslov flow->mh = NULL; 44711c9c548SOr Gerlitz } 44811c9c548SOr Gerlitz 44977ab67b7SOr Gerlitz static 45077ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 45177ab67b7SOr Gerlitz { 45277ab67b7SOr Gerlitz struct net_device *netdev; 45377ab67b7SOr Gerlitz struct mlx5e_priv *priv; 45477ab67b7SOr Gerlitz 45577ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 45677ab67b7SOr Gerlitz priv = netdev_priv(netdev); 45777ab67b7SOr Gerlitz return priv->mdev; 45877ab67b7SOr Gerlitz } 45977ab67b7SOr Gerlitz 46077ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 46177ab67b7SOr Gerlitz { 46277ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 46377ab67b7SOr Gerlitz void *tirc; 46477ab67b7SOr Gerlitz int err; 46577ab67b7SOr Gerlitz 46677ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 46777ab67b7SOr Gerlitz if (err) 46877ab67b7SOr Gerlitz goto alloc_tdn_err; 46977ab67b7SOr Gerlitz 47077ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 47177ab67b7SOr Gerlitz 47277ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 473ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 47477ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 47577ab67b7SOr Gerlitz 47677ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 47777ab67b7SOr Gerlitz if (err) 47877ab67b7SOr Gerlitz goto create_tir_err; 47977ab67b7SOr Gerlitz 48077ab67b7SOr Gerlitz return 0; 48177ab67b7SOr Gerlitz 48277ab67b7SOr Gerlitz create_tir_err: 48377ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 48477ab67b7SOr Gerlitz alloc_tdn_err: 48577ab67b7SOr Gerlitz return err; 48677ab67b7SOr Gerlitz } 48777ab67b7SOr Gerlitz 48877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 48977ab67b7SOr Gerlitz { 49077ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 49177ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 49277ab67b7SOr Gerlitz } 49377ab67b7SOr Gerlitz 4943f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 4953f6d08d1SOr Gerlitz { 4963f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 4973f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4983f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 4993f6d08d1SOr Gerlitz 5003f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 5013f6d08d1SOr Gerlitz hp->num_channels); 5023f6d08d1SOr Gerlitz 5033f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 5043f6d08d1SOr Gerlitz ix = i; 505bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 5063f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 5073f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 5083f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 5093f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5103f6d08d1SOr Gerlitz } 5113f6d08d1SOr Gerlitz } 5123f6d08d1SOr Gerlitz 5133f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5143f6d08d1SOr Gerlitz { 5153f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 5163f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5173f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5183f6d08d1SOr Gerlitz void *rqtc; 5193f6d08d1SOr Gerlitz u32 *in; 5203f6d08d1SOr Gerlitz 5213f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5223f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5233f6d08d1SOr Gerlitz if (!in) 5243f6d08d1SOr Gerlitz return -ENOMEM; 5253f6d08d1SOr Gerlitz 5263f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5273f6d08d1SOr Gerlitz 5283f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5293f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5303f6d08d1SOr Gerlitz 5313f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5323f6d08d1SOr Gerlitz 5333f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5343f6d08d1SOr Gerlitz if (!err) 5353f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5363f6d08d1SOr Gerlitz 5373f6d08d1SOr Gerlitz kvfree(in); 5383f6d08d1SOr Gerlitz return err; 5393f6d08d1SOr Gerlitz } 5403f6d08d1SOr Gerlitz 5413f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5423f6d08d1SOr Gerlitz { 5433f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5443f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5453f6d08d1SOr Gerlitz int tt, i, err; 5463f6d08d1SOr Gerlitz void *tirc; 5473f6d08d1SOr Gerlitz 5483f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 549d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 550d930ac79SAya Levin 5513f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5523f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5533f6d08d1SOr Gerlitz 5543f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5553f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5563f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 557bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 558bbeb53b8SAya Levin 5593f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 5603f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 5613f6d08d1SOr Gerlitz if (err) { 5623f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5633f6d08d1SOr Gerlitz goto err_destroy_tirs; 5643f6d08d1SOr Gerlitz } 5653f6d08d1SOr Gerlitz } 5663f6d08d1SOr Gerlitz return 0; 5673f6d08d1SOr Gerlitz 5683f6d08d1SOr Gerlitz err_destroy_tirs: 5693f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 5703f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 5713f6d08d1SOr Gerlitz return err; 5723f6d08d1SOr Gerlitz } 5733f6d08d1SOr Gerlitz 5743f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5753f6d08d1SOr Gerlitz { 5763f6d08d1SOr Gerlitz int tt; 5773f6d08d1SOr Gerlitz 5783f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5793f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 5803f6d08d1SOr Gerlitz } 5813f6d08d1SOr Gerlitz 5823f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5833f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5843f6d08d1SOr Gerlitz { 5853f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5863f6d08d1SOr Gerlitz int tt; 5873f6d08d1SOr Gerlitz 5883f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5893f6d08d1SOr Gerlitz 5903f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 5913f6d08d1SOr Gerlitz 5923f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5933f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 5943f6d08d1SOr Gerlitz 5953f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 5963f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 5973f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 5983f6d08d1SOr Gerlitz } 5993f6d08d1SOr Gerlitz 6003f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6013f6d08d1SOr Gerlitz { 6023f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6033f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6043f6d08d1SOr Gerlitz int err; 6053f6d08d1SOr Gerlitz 6063f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6073f6d08d1SOr Gerlitz if (err) 6083f6d08d1SOr Gerlitz return err; 6093f6d08d1SOr Gerlitz 6103f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6113f6d08d1SOr Gerlitz if (err) 6123f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6133f6d08d1SOr Gerlitz 6143f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6153f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6163f6d08d1SOr Gerlitz if (err) 6173f6d08d1SOr Gerlitz goto err_create_ttc_table; 6183f6d08d1SOr Gerlitz 6193f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6203f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6213f6d08d1SOr Gerlitz 6223f6d08d1SOr Gerlitz return 0; 6233f6d08d1SOr Gerlitz 6243f6d08d1SOr Gerlitz err_create_ttc_table: 6253f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6263f6d08d1SOr Gerlitz err_create_indirect_tirs: 6273f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6283f6d08d1SOr Gerlitz 6293f6d08d1SOr Gerlitz return err; 6303f6d08d1SOr Gerlitz } 6313f6d08d1SOr Gerlitz 6323f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6333f6d08d1SOr Gerlitz { 6343f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6353f6d08d1SOr Gerlitz 6363f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6373f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6383f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6393f6d08d1SOr Gerlitz } 6403f6d08d1SOr Gerlitz 64177ab67b7SOr Gerlitz static struct mlx5e_hairpin * 64277ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 64377ab67b7SOr Gerlitz int peer_ifindex) 64477ab67b7SOr Gerlitz { 64577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 64677ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 64777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 64877ab67b7SOr Gerlitz int err; 64977ab67b7SOr Gerlitz 65077ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 65177ab67b7SOr Gerlitz if (!hp) 65277ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 65377ab67b7SOr Gerlitz 65477ab67b7SOr Gerlitz func_mdev = priv->mdev; 65577ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 65677ab67b7SOr Gerlitz 65777ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 65877ab67b7SOr Gerlitz if (IS_ERR(pair)) { 65977ab67b7SOr Gerlitz err = PTR_ERR(pair); 66077ab67b7SOr Gerlitz goto create_pair_err; 66177ab67b7SOr Gerlitz } 66277ab67b7SOr Gerlitz hp->pair = pair; 66377ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6643f6d08d1SOr Gerlitz hp->func_priv = priv; 6653f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 66677ab67b7SOr Gerlitz 66777ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 66877ab67b7SOr Gerlitz if (err) 66977ab67b7SOr Gerlitz goto create_transport_err; 67077ab67b7SOr Gerlitz 6713f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6723f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6733f6d08d1SOr Gerlitz if (err) 6743f6d08d1SOr Gerlitz goto rss_init_err; 6753f6d08d1SOr Gerlitz } 6763f6d08d1SOr Gerlitz 67777ab67b7SOr Gerlitz return hp; 67877ab67b7SOr Gerlitz 6793f6d08d1SOr Gerlitz rss_init_err: 6803f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 68177ab67b7SOr Gerlitz create_transport_err: 68277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 68377ab67b7SOr Gerlitz create_pair_err: 68477ab67b7SOr Gerlitz kfree(hp); 68577ab67b7SOr Gerlitz return ERR_PTR(err); 68677ab67b7SOr Gerlitz } 68777ab67b7SOr Gerlitz 68877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 68977ab67b7SOr Gerlitz { 6903f6d08d1SOr Gerlitz if (hp->num_channels > 1) 6913f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 69277ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 69377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 69477ab67b7SOr Gerlitz kvfree(hp); 69577ab67b7SOr Gerlitz } 69677ab67b7SOr Gerlitz 697106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 698106be53bSOr Gerlitz { 699106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 700106be53bSOr Gerlitz } 701106be53bSOr Gerlitz 7025c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 703106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7045c65c564SOr Gerlitz { 7055c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 706106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7075c65c564SOr Gerlitz 7085c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 709106be53bSOr Gerlitz hairpin_hlist, hash_key) { 710e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 711e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7125c65c564SOr Gerlitz return hpe; 7135c65c564SOr Gerlitz } 714e4f9abbdSVlad Buslov } 7155c65c564SOr Gerlitz 7165c65c564SOr Gerlitz return NULL; 7175c65c564SOr Gerlitz } 7185c65c564SOr Gerlitz 719e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 720e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 721e4f9abbdSVlad Buslov { 722e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 723b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 724e4f9abbdSVlad Buslov return; 725b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 726b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 727e4f9abbdSVlad Buslov 728db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 729e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 730e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 731e4f9abbdSVlad Buslov 732e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 733db76ca24SVlad Buslov } 734db76ca24SVlad Buslov 735db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 736e4f9abbdSVlad Buslov kfree(hpe); 737e4f9abbdSVlad Buslov } 738e4f9abbdSVlad Buslov 739106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 740106be53bSOr Gerlitz 741106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 742e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 743e98bedf5SEli Britstein struct netlink_ext_ack *extack) 744106be53bSOr Gerlitz { 745106be53bSOr Gerlitz void *headers_c, *headers_v; 746106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 747106be53bSOr Gerlitz bool vlan_present; 748106be53bSOr Gerlitz 749106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 750106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 751e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 752e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 753106be53bSOr Gerlitz return -EOPNOTSUPP; 754106be53bSOr Gerlitz } 755106be53bSOr Gerlitz #endif 756106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 757106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 758106be53bSOr Gerlitz 759106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 760106be53bSOr Gerlitz if (vlan_present) { 761106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 762106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 763106be53bSOr Gerlitz } 764106be53bSOr Gerlitz 765106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 766106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 767106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 768e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 769e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 770106be53bSOr Gerlitz return -EOPNOTSUPP; 771106be53bSOr Gerlitz } 772106be53bSOr Gerlitz 773106be53bSOr Gerlitz *match_prio = prio_val; 774106be53bSOr Gerlitz return 0; 775106be53bSOr Gerlitz } 776106be53bSOr Gerlitz 7775c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7785c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 779e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 780e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7815c65c564SOr Gerlitz { 78298b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7835c65c564SOr Gerlitz struct mlx5_hairpin_params params; 784d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7855c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7865c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7873f6d08d1SOr Gerlitz u64 link_speed64; 7883f6d08d1SOr Gerlitz u32 link_speed; 789106be53bSOr Gerlitz u8 match_prio; 790d8822868SOr Gerlitz u16 peer_id; 7915c65c564SOr Gerlitz int err; 7925c65c564SOr Gerlitz 793d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 794d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 795e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 7965c65c564SOr Gerlitz return -EOPNOTSUPP; 7975c65c564SOr Gerlitz } 7985c65c564SOr Gerlitz 799d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 800e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 801e98bedf5SEli Britstein extack); 802106be53bSOr Gerlitz if (err) 803106be53bSOr Gerlitz return err; 804b32accdaSVlad Buslov 805b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 806106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 807db76ca24SVlad Buslov if (hpe) { 808db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 809db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 810db76ca24SVlad Buslov 811db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 812db76ca24SVlad Buslov err = -EREMOTEIO; 813db76ca24SVlad Buslov goto out_err; 814db76ca24SVlad Buslov } 8155c65c564SOr Gerlitz goto attach_flow; 816db76ca24SVlad Buslov } 8175c65c564SOr Gerlitz 8185c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 819b32accdaSVlad Buslov if (!hpe) { 820db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 821db76ca24SVlad Buslov return -ENOMEM; 822b32accdaSVlad Buslov } 8235c65c564SOr Gerlitz 82473edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8255c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 826db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 827d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 828106be53bSOr Gerlitz hpe->prio = match_prio; 829e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 830db76ca24SVlad Buslov init_completion(&hpe->res_ready); 831db76ca24SVlad Buslov 832db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 833db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 834db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8355c65c564SOr Gerlitz 8365c65c564SOr Gerlitz params.log_data_size = 15; 8375c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8385c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8395c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8405c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8415c65c564SOr Gerlitz 842eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 843eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 844eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 845eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 846eb9180f7SOr Gerlitz 847eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8483f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8492c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8503f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8513f6d08d1SOr Gerlitz link_speed64 = link_speed; 8523f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8533f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8543f6d08d1SOr Gerlitz 8555c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 856db76ca24SVlad Buslov hpe->hp = hp; 857db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8585c65c564SOr Gerlitz if (IS_ERR(hp)) { 8595c65c564SOr Gerlitz err = PTR_ERR(hp); 860db76ca24SVlad Buslov goto out_err; 8615c65c564SOr Gerlitz } 8625c65c564SOr Gerlitz 863eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 86427b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 86527b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 866eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8675c65c564SOr Gerlitz 8685c65c564SOr Gerlitz attach_flow: 8693f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 870226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 8713f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 8723f6d08d1SOr Gerlitz } else { 8735c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 8743f6d08d1SOr Gerlitz } 875b32accdaSVlad Buslov 876e4f9abbdSVlad Buslov flow->hpe = hpe; 87773edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8785c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 87973edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8803f6d08d1SOr Gerlitz 8815c65c564SOr Gerlitz return 0; 8825c65c564SOr Gerlitz 883db76ca24SVlad Buslov out_err: 884db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 8855c65c564SOr Gerlitz return err; 8865c65c564SOr Gerlitz } 8875c65c564SOr Gerlitz 8885c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 8895c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 8905c65c564SOr Gerlitz { 8915a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 892e4f9abbdSVlad Buslov if (!flow->hpe) 8935a7e5bcbSVlad Buslov return; 8945a7e5bcbSVlad Buslov 89573edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 8965c65c564SOr Gerlitz list_del(&flow->hairpin); 89773edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 89873edca73SVlad Buslov 899e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 900e4f9abbdSVlad Buslov flow->hpe = NULL; 9015c65c564SOr Gerlitz } 9025c65c564SOr Gerlitz 903c83954abSRabie Loulou static int 90474491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 90517091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 906e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 907e98bedf5SEli Britstein struct netlink_ext_ack *extack) 908e8f887acSAmir Vadai { 909bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 910aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 911aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 9125c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 91366958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9143bc4b7bfSOr Gerlitz .action = attr->action, 915bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 91666958ed9SHadar Hen Zion }; 917aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 9185c65c564SOr Gerlitz int err, dest_ix = 0; 919e8f887acSAmir Vadai 920bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 921bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 922bb0ee7dcSJianbo Liu 923226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 924e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 9255a7e5bcbSVlad Buslov if (err) 9265a7e5bcbSVlad Buslov return err; 9275a7e5bcbSVlad Buslov 928226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 9293f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9303f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 9313f6d08d1SOr Gerlitz } else { 9325c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 9335c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 9343f6d08d1SOr Gerlitz } 9353f6d08d1SOr Gerlitz dest_ix++; 9363f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9375c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9385c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 9395c65c564SOr Gerlitz dest_ix++; 9405c65c564SOr Gerlitz } 941aad7e08dSAmir Vadai 9425c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9435c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 9445a7e5bcbSVlad Buslov if (IS_ERR(counter)) 9455a7e5bcbSVlad Buslov return PTR_ERR(counter); 9465a7e5bcbSVlad Buslov 9475c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 948171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 9495c65c564SOr Gerlitz dest_ix++; 950b8aee822SMark Bloch attr->counter = counter; 951aad7e08dSAmir Vadai } 952aad7e08dSAmir Vadai 9532f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9543099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 9552b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9562f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 957c83954abSRabie Loulou if (err) 9585a7e5bcbSVlad Buslov return err; 9592f4fe4caSOr Gerlitz } 9602f4fe4caSOr Gerlitz 961b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 962acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 96361dc7b01SPaul Blakey struct mlx5_flow_table_attr ft_attr = {}; 96461dc7b01SPaul Blakey int tc_grp_size, tc_tbl_size, tc_num_grps; 96521b9c144SOr Gerlitz u32 max_flow_counter; 96621b9c144SOr Gerlitz 96721b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 96821b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 96921b9c144SOr Gerlitz 97021b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 97121b9c144SOr Gerlitz 97221b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 97321b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 97461dc7b01SPaul Blakey tc_num_grps = MLX5E_TC_TABLE_NUM_GROUPS; 97521b9c144SOr Gerlitz 97661dc7b01SPaul Blakey ft_attr.prio = MLX5E_TC_PRIO; 97761dc7b01SPaul Blakey ft_attr.max_fte = tc_tbl_size; 97861dc7b01SPaul Blakey ft_attr.level = MLX5E_TC_FT_LEVEL; 97961dc7b01SPaul Blakey ft_attr.autogroup.max_num_groups = tc_num_grps; 980acff797cSMaor Gottlieb priv->fs.tc.t = 981acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 98261dc7b01SPaul Blakey &ft_attr); 983acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 984b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 985e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 986e98bedf5SEli Britstein "Failed to create tc offload table\n"); 987e8f887acSAmir Vadai netdev_err(priv->netdev, 988e8f887acSAmir Vadai "Failed to create tc offload table\n"); 9895a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 990e8f887acSAmir Vadai } 991e8f887acSAmir Vadai } 992e8f887acSAmir Vadai 99338aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 994d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 99538aa51c1SOr Gerlitz 996c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 9975c65c564SOr Gerlitz &flow_act, dest, dest_ix); 998b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 999e8f887acSAmir Vadai 1000a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1001e8f887acSAmir Vadai } 1002e8f887acSAmir Vadai 1003d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1004d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1005d85cdccbSOr Gerlitz { 1006513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1007d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 1008d85cdccbSOr Gerlitz 1009b8aee822SMark Bloch counter = attr->counter; 10105a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1011e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1012d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1013d85cdccbSOr Gerlitz 1014b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1015226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1016d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1017d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1018d85cdccbSOr Gerlitz } 1019b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 10202f4fe4caSOr Gerlitz 1021513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10223099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 10235c65c564SOr Gerlitz 1024226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 10255c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1026d85cdccbSOr Gerlitz } 1027d85cdccbSOr Gerlitz 1028aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 10298c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1030aa0cbbaeSOr Gerlitz 10313c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1032e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1033733d4f36SRoi Dayan struct net_device *mirred_dev, 1034733d4f36SRoi Dayan int out_index, 10358c4dc42bSEli Britstein struct netlink_ext_ack *extack, 10360ad060eeSRoi Dayan struct net_device **encap_dev, 10370ad060eeSRoi Dayan bool *encap_valid); 10383c37745eSOr Gerlitz 10396d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 10406d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 10416d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10426d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 10436d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10446d2a3ed0SOr Gerlitz { 10456d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10466d2a3ed0SOr Gerlitz 10476d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 10486d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 10496d2a3ed0SOr Gerlitz return rule; 10506d2a3ed0SOr Gerlitz 1051e85e02baSEli Britstein if (attr->split_count) { 10526d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 10536d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 10546d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 10556d2a3ed0SOr Gerlitz return flow->rule[1]; 10566d2a3ed0SOr Gerlitz } 10576d2a3ed0SOr Gerlitz } 10586d2a3ed0SOr Gerlitz 10596d2a3ed0SOr Gerlitz return rule; 10606d2a3ed0SOr Gerlitz } 10616d2a3ed0SOr Gerlitz 10626d2a3ed0SOr Gerlitz static void 10636d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 10646d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10656d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10666d2a3ed0SOr Gerlitz { 1067226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 10686d2a3ed0SOr Gerlitz 1069e85e02baSEli Britstein if (attr->split_count) 10706d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 10716d2a3ed0SOr Gerlitz 10726d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 10736d2a3ed0SOr Gerlitz } 10746d2a3ed0SOr Gerlitz 10755dbe906fSPaul Blakey static struct mlx5_flow_handle * 10765dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 10775dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 10785dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 10795dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 10805dbe906fSPaul Blakey { 10815dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 10825dbe906fSPaul Blakey 10835dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 1084154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 10852be09de7SDavid S. Miller slow_attr->split_count = 0; 10862cf2954bSPaul Blakey slow_attr->dest_chain = FDB_TC_SLOW_PATH_CHAIN; 10875dbe906fSPaul Blakey 10885dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 10895dbe906fSPaul Blakey if (!IS_ERR(rule)) 1090226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 10915dbe906fSPaul Blakey 10925dbe906fSPaul Blakey return rule; 10935dbe906fSPaul Blakey } 10945dbe906fSPaul Blakey 10955dbe906fSPaul Blakey static void 10965dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 10975dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 10985dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 10995dbe906fSPaul Blakey { 11005dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 1101154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 11022be09de7SDavid S. Miller slow_attr->split_count = 0; 11032cf2954bSPaul Blakey slow_attr->dest_chain = FDB_TC_SLOW_PATH_CHAIN; 11045dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1105226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 11065dbe906fSPaul Blakey } 11075dbe906fSPaul Blakey 1108ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1109ad86755bSVlad Buslov * function. 1110ad86755bSVlad Buslov */ 1111ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1112ad86755bSVlad Buslov struct list_head *unready_flows) 1113ad86755bSVlad Buslov { 1114ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1115ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1116ad86755bSVlad Buslov } 1117ad86755bSVlad Buslov 1118ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1119ad86755bSVlad Buslov * function. 1120ad86755bSVlad Buslov */ 1121ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1122ad86755bSVlad Buslov { 1123ad86755bSVlad Buslov list_del(&flow->unready); 1124ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1125ad86755bSVlad Buslov } 1126ad86755bSVlad Buslov 1127b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1128b4a23329SRoi Dayan { 1129b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1130b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1131b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1132b4a23329SRoi Dayan 1133b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1134b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1135b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1136b4a23329SRoi Dayan 1137ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1138ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1139ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1140b4a23329SRoi Dayan } 1141b4a23329SRoi Dayan 1142b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1143b4a23329SRoi Dayan { 1144ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1145ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1146ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1147ad86755bSVlad Buslov 1148ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1149ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1150ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1151ad86755bSVlad Buslov 1152ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1153ad86755bSVlad Buslov unready_flow_del(flow); 1154ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1155b4a23329SRoi Dayan } 1156b4a23329SRoi Dayan 1157c83954abSRabie Loulou static int 115874491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1159e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1160e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1161adb4c123SOr Gerlitz { 1162adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1163bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 1164aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 11657040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 1166bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 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; 11720ad060eeSRoi Dayan int err = 0; 1173f493f155SEli Britstein int out_index; 11748b32580dSOr Gerlitz 1175d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 1176d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 1177d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1178d14f6f2aSOr Gerlitz } 1179e52c2802SPaul Blakey 118084179981SPaul Blakey /* We check chain range only for tc flows. 118184179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 118284179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 118384179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 118484179981SPaul Blakey */ 118584179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 1186bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 11875a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1188bf07aa73SPaul Blakey } 1189bf07aa73SPaul Blakey 1190bf07aa73SPaul Blakey if (attr->prio > max_prio) { 1191bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 11925a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1193bf07aa73SPaul Blakey } 1194bf07aa73SPaul Blakey 1195f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 11968c4dc42bSEli Britstein int mirred_ifindex; 11978c4dc42bSEli Britstein 1198f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1199f493f155SEli Britstein continue; 1200f493f155SEli Britstein 12017040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 12023c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 12038c4dc42bSEli Britstein mirred_ifindex); 1204733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 12050ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 12060ad060eeSRoi Dayan if (err) 12075a7e5bcbSVlad Buslov return err; 12080ad060eeSRoi Dayan 12093c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 12103c37745eSOr Gerlitz rpriv = out_priv->ppriv; 12111cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 12121cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 12133c37745eSOr Gerlitz } 12143c37745eSOr Gerlitz 12158b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1216c83954abSRabie Loulou if (err) 12175a7e5bcbSVlad Buslov return err; 1218adb4c123SOr Gerlitz 1219d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 12201a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1221d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1222c83954abSRabie Loulou if (err) 12235a7e5bcbSVlad Buslov return err; 1224d7e75a32SOr Gerlitz } 1225d7e75a32SOr Gerlitz 1226b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1227f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 12285a7e5bcbSVlad Buslov if (IS_ERR(counter)) 12295a7e5bcbSVlad Buslov return PTR_ERR(counter); 1230b8aee822SMark Bloch 1231b8aee822SMark Bloch attr->counter = counter; 1232b8aee822SMark Bloch } 1233b8aee822SMark Bloch 12340ad060eeSRoi Dayan /* we get here if one of the following takes place: 12350ad060eeSRoi Dayan * (1) there's no error 12360ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 12373c37745eSOr Gerlitz */ 12380ad060eeSRoi Dayan if (!encap_valid) { 12395dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 12405dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 12415dbe906fSPaul Blakey 12425dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 12435dbe906fSPaul Blakey } else { 12446d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 12455dbe906fSPaul Blakey } 12465dbe906fSPaul Blakey 12475a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 12485a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1249226f2ca3SVlad Buslov else 1250226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1251c83954abSRabie Loulou 12525dbe906fSPaul Blakey return 0; 1253aa0cbbaeSOr Gerlitz } 1254d85cdccbSOr Gerlitz 12559272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 12569272e3dfSYevgeny Kliteynik { 12579272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 12589272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 12599272e3dfSYevgeny Kliteynik spec->match_value, 12609272e3dfSYevgeny Kliteynik misc_parameters_3); 12619272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 12629272e3dfSYevgeny Kliteynik headers_v, 12639272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 12649272e3dfSYevgeny Kliteynik 12659272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 12669272e3dfSYevgeny Kliteynik } 12679272e3dfSYevgeny Kliteynik 1268d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1269d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1270d85cdccbSOr Gerlitz { 1271d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1272d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 12735dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1274f493f155SEli Britstein int out_index; 1275d85cdccbSOr Gerlitz 1276226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1277b4a23329SRoi Dayan remove_unready_flow(flow); 1278ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1279ef06c9eeSRoi Dayan return; 1280ef06c9eeSRoi Dayan } 1281ef06c9eeSRoi Dayan 1282226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1283226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 12845dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 12855dbe906fSPaul Blakey else 12865dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 12875dbe906fSPaul Blakey } 1288d85cdccbSOr Gerlitz 12899272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 12909272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 12919272e3dfSYevgeny Kliteynik 1292513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1293d85cdccbSOr Gerlitz 1294f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 12952a4b6526SVlad Buslov if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 12968c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 12972a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 12982a4b6526SVlad Buslov } 1299f493f155SEli Britstein kvfree(attr->parse_attr); 1300d7e75a32SOr Gerlitz 1301513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 13021a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1303b8aee822SMark Bloch 1304b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1305f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1306d85cdccbSOr Gerlitz } 1307d85cdccbSOr Gerlitz 1308232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 13092a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13102a1f1768SVlad Buslov struct list_head *flow_list) 1311232c0013SHadar Hen Zion { 13123c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13135dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 13146d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 13156d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1316232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1317232c0013SHadar Hen Zion int err; 1318232c0013SHadar Hen Zion 13192b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 132054c177caSOz Shlomo e->reformat_type, 1321232c0013SHadar Hen Zion e->encap_size, e->encap_header, 13222b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 13232b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 13242b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 13252b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1326232c0013SHadar Hen Zion return; 1327232c0013SHadar Hen Zion } 1328232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1329f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1330232c0013SHadar Hen Zion 13312a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 13328c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 13338c4dc42bSEli Britstein int i; 13348c4dc42bSEli Britstein 133595435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 133695435ad7SVlad Buslov continue; 13373c37745eSOr Gerlitz esw_attr = flow->esw_attr; 13386d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 13396d2a3ed0SOr Gerlitz 13402b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 13412a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 13428c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 13438c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 13448c4dc42bSEli Britstein * a valid neighbour. 13458c4dc42bSEli Britstein */ 13468c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 13478c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 13488c4dc42bSEli Britstein continue; 13498c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 13508c4dc42bSEli Britstein all_flow_encaps_valid = false; 13518c4dc42bSEli Britstein break; 13528c4dc42bSEli Britstein } 13538c4dc42bSEli Britstein } 13548c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 13558c4dc42bSEli Britstein if (!all_flow_encaps_valid) 13562a1f1768SVlad Buslov continue; 13575dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 13586d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 13596d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 13606d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1361232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1362232c0013SHadar Hen Zion err); 13632a1f1768SVlad Buslov continue; 1364232c0013SHadar Hen Zion } 13655dbe906fSPaul Blakey 13665dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 13676d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1368226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1369226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1370232c0013SHadar Hen Zion } 1371232c0013SHadar Hen Zion } 1372232c0013SHadar Hen Zion 1373232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 13742a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13752a1f1768SVlad Buslov struct list_head *flow_list) 1376232c0013SHadar Hen Zion { 13773c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13785dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 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 */ 13905dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 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 1811de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1812de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1813f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 181454c177caSOz Shlomo struct net_device *filter_dev, 181593b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 1816e3a2b7edSAmir Vadai { 1817e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1818c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1819c5bb1730SMaor Gottlieb outer_headers); 1820c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1821c5bb1730SMaor Gottlieb outer_headers); 1822699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1823699e96ddSJianbo Liu misc_parameters); 1824699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1825699e96ddSJianbo Liu misc_parameters); 1826f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18278f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1828e3a2b7edSAmir Vadai u16 addr_type = 0; 1829e3a2b7edSAmir Vadai u8 ip_proto = 0; 183093b3586eSHuy Nguyen u8 *match_level; 1831e3a2b7edSAmir Vadai 183293b3586eSHuy Nguyen match_level = outer_match_level; 1833de0af0bfSRoi Dayan 18348f256622SPablo Neira Ayuso if (dissector->used_keys & 18353d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 18363d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1837e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1838e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1839095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1840699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1841e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1842e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1843bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1844bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1845bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1846bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1847bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1848e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1849fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1850bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 18519272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 18529272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) { 1853e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1854e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 18558f256622SPablo Neira Ayuso dissector->used_keys); 1856e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1857e3a2b7edSAmir Vadai } 1858e3a2b7edSAmir Vadai 1859075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 186093b3586eSHuy Nguyen if (parse_tunnel_attr(priv, spec, f, filter_dev, 186193b3586eSHuy Nguyen outer_match_level)) 1862bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1863bbd00f7eSHadar Hen Zion 186493b3586eSHuy Nguyen /* At this point, header pointers should point to the inner 1865bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1866bbd00f7eSHadar Hen Zion */ 186793b3586eSHuy Nguyen match_level = inner_match_level; 18688377629eSEli Britstein headers_c = get_match_headers_criteria(MLX5_FLOW_CONTEXT_ACTION_DECAP, 18698377629eSEli Britstein spec); 18708377629eSEli Britstein headers_v = get_match_headers_value(MLX5_FLOW_CONTEXT_ACTION_DECAP, 18718377629eSEli Britstein spec); 1872bbd00f7eSHadar Hen Zion } 1873bbd00f7eSHadar Hen Zion 18748f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 18758f256622SPablo Neira Ayuso struct flow_match_basic match; 1876e3a2b7edSAmir Vadai 18778f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 18788f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 18798f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 18808f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 18818f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 18828f256622SPablo Neira Ayuso 18838f256622SPablo Neira Ayuso if (match.mask->n_proto) 1884d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1885e3a2b7edSAmir Vadai } 188635a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 188735a605dbSEli Britstein is_vlan_dev(filter_dev)) { 188835a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 188935a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 18908f256622SPablo Neira Ayuso struct flow_match_vlan match; 18918f256622SPablo Neira Ayuso 189235a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 189335a605dbSEli Britstein match.key = &filter_dev_key; 189435a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 189535a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 189635a605dbSEli Britstein match.key->vlan_priority = 0; 189735a605dbSEli Britstein match.mask = &filter_dev_mask; 189835a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 189935a605dbSEli Britstein match.mask->vlan_priority = 0; 190035a605dbSEli Britstein } else { 19018f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 190235a605dbSEli Britstein } 19038f256622SPablo Neira Ayuso if (match.mask->vlan_id || 19048f256622SPablo Neira Ayuso match.mask->vlan_priority || 19058f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 19068f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1907699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1908699e96ddSJianbo Liu svlan_tag, 1); 1909699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1910699e96ddSJianbo Liu svlan_tag, 1); 1911699e96ddSJianbo Liu } else { 1912699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1913699e96ddSJianbo Liu cvlan_tag, 1); 1914699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1915699e96ddSJianbo Liu cvlan_tag, 1); 1916699e96ddSJianbo Liu } 1917095b6cfdSOr Gerlitz 19188f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 19198f256622SPablo Neira Ayuso match.mask->vlan_id); 19208f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 19218f256622SPablo Neira Ayuso match.key->vlan_id); 1922358d79a4SOr Gerlitz 19238f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 19248f256622SPablo Neira Ayuso match.mask->vlan_priority); 19258f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 19268f256622SPablo Neira Ayuso match.key->vlan_priority); 192754782900SOr Gerlitz 1928d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1929095b6cfdSOr Gerlitz } 1930d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1931fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 1932fc603294SMark Bloch * disabled in match value means both S & C tags 1933fc603294SMark Bloch * don't exist (untagged of both) 1934fc603294SMark Bloch */ 1935cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1936d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1937095b6cfdSOr Gerlitz } 1938095b6cfdSOr Gerlitz 19398f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 19408f256622SPablo Neira Ayuso struct flow_match_vlan match; 19418f256622SPablo Neira Ayuso 194212d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 19438f256622SPablo Neira Ayuso if (match.mask->vlan_id || 19448f256622SPablo Neira Ayuso match.mask->vlan_priority || 19458f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 19468f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1947699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1948699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1949699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1950699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1951699e96ddSJianbo Liu } else { 1952699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1953699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1954699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1955699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1956699e96ddSJianbo Liu } 1957699e96ddSJianbo Liu 1958699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 19598f256622SPablo Neira Ayuso match.mask->vlan_id); 1960699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 19618f256622SPablo Neira Ayuso match.key->vlan_id); 1962699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 19638f256622SPablo Neira Ayuso match.mask->vlan_priority); 1964699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 19658f256622SPablo Neira Ayuso match.key->vlan_priority); 1966699e96ddSJianbo Liu 1967699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1968699e96ddSJianbo Liu } 1969699e96ddSJianbo Liu } 1970699e96ddSJianbo Liu 19718f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 19728f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 197354782900SOr Gerlitz 19748f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1975d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1976d3a80bb5SOr Gerlitz dmac_47_16), 19778f256622SPablo Neira Ayuso match.mask->dst); 1978d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1979d3a80bb5SOr Gerlitz dmac_47_16), 19808f256622SPablo Neira Ayuso match.key->dst); 1981d3a80bb5SOr Gerlitz 1982d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1983d3a80bb5SOr Gerlitz smac_47_16), 19848f256622SPablo Neira Ayuso match.mask->src); 1985d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1986d3a80bb5SOr Gerlitz smac_47_16), 19878f256622SPablo Neira Ayuso match.key->src); 1988d3a80bb5SOr Gerlitz 19898f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 19908f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1991d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 199254782900SOr Gerlitz } 199354782900SOr Gerlitz 19948f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 19958f256622SPablo Neira Ayuso struct flow_match_control match; 199654782900SOr Gerlitz 19978f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 19988f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 199954782900SOr Gerlitz 200054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 20018f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 200254782900SOr Gerlitz return -EOPNOTSUPP; 200354782900SOr Gerlitz 20048f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 200554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 200654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 20078f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 200854782900SOr Gerlitz 200954782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 20108f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 201183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 201254782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 201354782900SOr Gerlitz else 201483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 201554782900SOr Gerlitz } 201654782900SOr Gerlitz } 201754782900SOr Gerlitz 20188f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 20198f256622SPablo Neira Ayuso struct flow_match_basic match; 20208f256622SPablo Neira Ayuso 20218f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 20228f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 202354782900SOr Gerlitz 202454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 20258f256622SPablo Neira Ayuso match.mask->ip_proto); 202654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 20278f256622SPablo Neira Ayuso match.key->ip_proto); 202854782900SOr Gerlitz 20298f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2030d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 203154782900SOr Gerlitz } 203254782900SOr Gerlitz 2033e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 20348f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2035e3a2b7edSAmir Vadai 20368f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2037e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2038e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 20398f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2040e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2041e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 20428f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2043e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2044e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 20458f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2046e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2047e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 20488f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2049de0af0bfSRoi Dayan 20508f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2051d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2052e3a2b7edSAmir Vadai } 2053e3a2b7edSAmir Vadai 2054e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 20558f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2056e3a2b7edSAmir Vadai 20578f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2058e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2059e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 20608f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2061e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2062e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 20638f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2064e3a2b7edSAmir Vadai 2065e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2066e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 20678f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2068e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2069e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 20708f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2071de0af0bfSRoi Dayan 20728f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 20738f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2074d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2075e3a2b7edSAmir Vadai } 2076e3a2b7edSAmir Vadai 20778f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 20788f256622SPablo Neira Ayuso struct flow_match_ip match; 20791f97a526SOr Gerlitz 20808f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 20818f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 20828f256622SPablo Neira Ayuso match.mask->tos & 0x3); 20838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 20848f256622SPablo Neira Ayuso match.key->tos & 0x3); 20851f97a526SOr Gerlitz 20868f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 20878f256622SPablo Neira Ayuso match.mask->tos >> 2); 20888f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 20898f256622SPablo Neira Ayuso match.key->tos >> 2); 20901f97a526SOr Gerlitz 20918f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 20928f256622SPablo Neira Ayuso match.mask->ttl); 20938f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 20948f256622SPablo Neira Ayuso match.key->ttl); 20951f97a526SOr Gerlitz 20968f256622SPablo Neira Ayuso if (match.mask->ttl && 2097a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2098e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2099e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2100e98bedf5SEli Britstein "Matching on TTL is not supported"); 21011f97a526SOr Gerlitz return -EOPNOTSUPP; 2102e98bedf5SEli Britstein } 2103a8ade55fSOr Gerlitz 21048f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2105d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 21061f97a526SOr Gerlitz } 21071f97a526SOr Gerlitz 210854782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 210954782900SOr Gerlitz 21108f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 21118f256622SPablo Neira Ayuso struct flow_match_ports match; 21128f256622SPablo Neira Ayuso 21138f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2114e3a2b7edSAmir Vadai switch (ip_proto) { 2115e3a2b7edSAmir Vadai case IPPROTO_TCP: 2116e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 21178f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2118e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 21198f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2120e3a2b7edSAmir Vadai 2121e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 21228f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2123e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 21248f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2125e3a2b7edSAmir Vadai break; 2126e3a2b7edSAmir Vadai 2127e3a2b7edSAmir Vadai case IPPROTO_UDP: 2128e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 21298f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2130e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 21318f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2132e3a2b7edSAmir Vadai 2133e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 21348f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2135e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 21368f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2137e3a2b7edSAmir Vadai break; 2138e3a2b7edSAmir Vadai default: 2139e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2140e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2141e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2142e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2143e3a2b7edSAmir Vadai return -EINVAL; 2144e3a2b7edSAmir Vadai } 2145de0af0bfSRoi Dayan 21468f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2147d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2148e3a2b7edSAmir Vadai } 2149e3a2b7edSAmir Vadai 21508f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 21518f256622SPablo Neira Ayuso struct flow_match_tcp match; 2152e77834ecSOr Gerlitz 21538f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2154e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 21558f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2156e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 21578f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2158e77834ecSOr Gerlitz 21598f256622SPablo Neira Ayuso if (match.mask->flags) 2160d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2161e77834ecSOr Gerlitz } 2162e77834ecSOr Gerlitz 2163e3a2b7edSAmir Vadai return 0; 2164e3a2b7edSAmir Vadai } 2165e3a2b7edSAmir Vadai 2166de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 216765ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2168de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2169f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 217054c177caSOz Shlomo struct net_device *filter_dev) 2171de0af0bfSRoi Dayan { 217293b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2173e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2174de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2175de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 21761d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 21771d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2178226f2ca3SVlad Buslov bool is_eswitch_flow; 2179de0af0bfSRoi Dayan int err; 2180de0af0bfSRoi Dayan 218193b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 218293b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 218393b3586eSHuy Nguyen 218493b3586eSHuy Nguyen err = __parse_cls_flower(priv, spec, f, filter_dev, &inner_match_level, 218593b3586eSHuy Nguyen &outer_match_level); 218693b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 218793b3586eSHuy Nguyen outer_match_level : inner_match_level; 2188de0af0bfSRoi Dayan 2189226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2190226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 21911d447a39SSaeed Mahameed rep = rpriv->rep; 2192b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 21931d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 219493b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2195e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2196e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2197de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2198de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 219993b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2200de0af0bfSRoi Dayan return -EOPNOTSUPP; 2201de0af0bfSRoi Dayan } 2202de0af0bfSRoi Dayan } 2203de0af0bfSRoi Dayan 2204226f2ca3SVlad Buslov if (is_eswitch_flow) { 220593b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 220693b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 22076363651dSOr Gerlitz } else { 220893b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 22096363651dSOr Gerlitz } 221038aa51c1SOr Gerlitz 2211de0af0bfSRoi Dayan return err; 2212de0af0bfSRoi Dayan } 2213de0af0bfSRoi Dayan 2214d79b6df6SOr Gerlitz struct pedit_headers { 2215d79b6df6SOr Gerlitz struct ethhdr eth; 22160eb69bb9SEli Britstein struct vlan_hdr vlan; 2217d79b6df6SOr Gerlitz struct iphdr ip4; 2218d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2219d79b6df6SOr Gerlitz struct tcphdr tcp; 2220d79b6df6SOr Gerlitz struct udphdr udp; 2221d79b6df6SOr Gerlitz }; 2222d79b6df6SOr Gerlitz 2223c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2224c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2225c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2226c500c86bSPablo Neira Ayuso u32 pedits; 2227c500c86bSPablo Neira Ayuso }; 2228c500c86bSPablo Neira Ayuso 2229d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 223073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 223173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 223273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 223373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 223473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2235d79b6df6SOr Gerlitz }; 2236d79b6df6SOr Gerlitz 2237d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2238d79b6df6SOr Gerlitz 2239d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2240c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2241d79b6df6SOr Gerlitz { 2242d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2243d79b6df6SOr Gerlitz 2244c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2245c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2246d79b6df6SOr Gerlitz 2247d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2248d79b6df6SOr Gerlitz goto out_err; 2249d79b6df6SOr Gerlitz 2250d79b6df6SOr Gerlitz *curr_pmask |= mask; 2251d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2252d79b6df6SOr Gerlitz 2253d79b6df6SOr Gerlitz return 0; 2254d79b6df6SOr Gerlitz 2255d79b6df6SOr Gerlitz out_err: 2256d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2257d79b6df6SOr Gerlitz } 2258d79b6df6SOr Gerlitz 2259d79b6df6SOr Gerlitz struct mlx5_fields { 2260d79b6df6SOr Gerlitz u8 field; 226188f30bbcSDmytro Linkin u8 field_bsize; 226288f30bbcSDmytro Linkin u32 field_mask; 2263d79b6df6SOr Gerlitz u32 offset; 226427c11b6bSEli Britstein u32 match_offset; 2265d79b6df6SOr Gerlitz }; 2266d79b6df6SOr Gerlitz 226788f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 226888f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 226927c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 227027c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 227127c11b6bSEli Britstein 22722ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 22732ef86872SEli Britstein * match. 22742ef86872SEli Britstein */ 22752ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 22762ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 22772ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 22782ef86872SEli Britstein type maskx = *(type *)(maskp); \ 22792ef86872SEli Britstein type valx = *(type *)(valp); \ 22802ef86872SEli Britstein \ 22812ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 22822ef86872SEli Britstein matchmaskx)); \ 22832ef86872SEli Britstein }) 22842ef86872SEli Britstein 228527c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 228688f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 228727c11b6bSEli Britstein { 228827c11b6bSEli Britstein bool same = false; 228927c11b6bSEli Britstein 229088f30bbcSDmytro Linkin switch (bsize) { 229188f30bbcSDmytro Linkin case 8: 22922ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 229327c11b6bSEli Britstein break; 229488f30bbcSDmytro Linkin case 16: 22952ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 229627c11b6bSEli Britstein break; 229788f30bbcSDmytro Linkin case 32: 22982ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 229927c11b6bSEli Britstein break; 230027c11b6bSEli Britstein } 230127c11b6bSEli Britstein 230227c11b6bSEli Britstein return same; 230327c11b6bSEli Britstein } 2304a8e4f0c4SOr Gerlitz 2305d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 230688f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 230788f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 230888f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 230988f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 231088f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 231188f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2312d79b6df6SOr Gerlitz 2313ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 231488f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 231588f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 231688f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2317d79b6df6SOr Gerlitz 231888f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 231927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 232088f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 232127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 232288f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 232327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 232488f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 232527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 232688f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 232727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 232888f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 232927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 233088f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 233127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 233288f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 233327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 233488f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2335d79b6df6SOr Gerlitz 233688f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 233788f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 233888f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 233988f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2340d79b6df6SOr Gerlitz 234188f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 234288f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2343d79b6df6SOr Gerlitz }; 2344d79b6df6SOr Gerlitz 2345218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 2346218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 2347218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 2348d79b6df6SOr Gerlitz */ 2349c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 2350e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 235127c11b6bSEli Britstein u32 *action_flags, 2352e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2353d79b6df6SOr Gerlitz { 2354d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 23552b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 235688f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 235788f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 2358d79b6df6SOr Gerlitz struct mlx5_fields *f; 2359d79b6df6SOr Gerlitz unsigned long mask; 23602b64bebaSOr Gerlitz __be32 mask_be32; 23612b64bebaSOr Gerlitz __be16 mask_be16; 236288f30bbcSDmytro Linkin u8 cmd; 236388f30bbcSDmytro Linkin 236488f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 236588f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2366d79b6df6SOr Gerlitz 236773867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 236873867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 236973867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 237073867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2371d79b6df6SOr Gerlitz 2372d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2373218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 2374218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 2375218d05ceSTonghao Zhang 2376218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 2377218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 2378d79b6df6SOr Gerlitz 2379d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 238027c11b6bSEli Britstein bool skip; 238127c11b6bSEli Britstein 2382d79b6df6SOr Gerlitz f = &fields[i]; 2383d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2384e3ca4e05SOr Gerlitz s_mask = 0; 2385e3ca4e05SOr Gerlitz a_mask = 0; 2386d79b6df6SOr Gerlitz 2387d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2388d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2389d79b6df6SOr Gerlitz 239088f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 239188f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2392d79b6df6SOr Gerlitz 2393d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2394d79b6df6SOr Gerlitz continue; 2395d79b6df6SOr Gerlitz 2396d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2397e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2398e98bedf5SEli Britstein "can't set and add to the same HW field"); 2399d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2400d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2401d79b6df6SOr Gerlitz } 2402d79b6df6SOr Gerlitz 2403d79b6df6SOr Gerlitz if (nactions == max_actions) { 2404e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2405e98bedf5SEli Britstein "too many pedit actions, can't offload"); 2406d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 2407d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2408d79b6df6SOr Gerlitz } 2409d79b6df6SOr Gerlitz 241027c11b6bSEli Britstein skip = false; 2411d79b6df6SOr Gerlitz if (s_mask) { 241227c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 241327c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 241427c11b6bSEli Britstein 2415d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2416d79b6df6SOr Gerlitz mask = s_mask; 2417d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 241827c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 241927c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 242088f30bbcSDmytro Linkin match_mask, f->field_bsize)) 242127c11b6bSEli Britstein skip = true; 2422d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 242388f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2424d79b6df6SOr Gerlitz } else { 2425d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2426d79b6df6SOr Gerlitz mask = a_mask; 2427d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 242827c11b6bSEli Britstein /* add 0 is no change */ 242988f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 243027c11b6bSEli Britstein skip = true; 2431d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 243288f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2433d79b6df6SOr Gerlitz } 243427c11b6bSEli Britstein if (skip) 243527c11b6bSEli Britstein continue; 2436d79b6df6SOr Gerlitz 243788f30bbcSDmytro Linkin if (f->field_bsize == 32) { 24382b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 24392b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 244088f30bbcSDmytro Linkin } else if (f->field_bsize == 16) { 24412b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 24422b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 24432b64bebaSOr Gerlitz } 24442b64bebaSOr Gerlitz 244588f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 244688f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 244788f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 24482b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2449e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2450e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 24512b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2452d79b6df6SOr Gerlitz mask); 2453d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2454d79b6df6SOr Gerlitz } 2455d79b6df6SOr Gerlitz 2456d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2457d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2458d79b6df6SOr Gerlitz 2459d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 246088f30bbcSDmytro Linkin int start; 246188f30bbcSDmytro Linkin 246288f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 246388f30bbcSDmytro Linkin start = find_first_bit((unsigned long *)&f->field_mask, 246488f30bbcSDmytro Linkin f->field_bsize); 246588f30bbcSDmytro Linkin 246688f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2467d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 24682b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2469d79b6df6SOr Gerlitz } 2470d79b6df6SOr Gerlitz 247188f30bbcSDmytro Linkin if (f->field_bsize == 32) 24722b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 247388f30bbcSDmytro Linkin else if (f->field_bsize == 16) 24742b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 247588f30bbcSDmytro Linkin else if (f->field_bsize == 8) 24762b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2477d79b6df6SOr Gerlitz 2478d79b6df6SOr Gerlitz action += action_size; 2479d79b6df6SOr Gerlitz nactions++; 2480d79b6df6SOr Gerlitz } 2481d79b6df6SOr Gerlitz 2482d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2483d79b6df6SOr Gerlitz return 0; 2484d79b6df6SOr Gerlitz } 2485d79b6df6SOr Gerlitz 24862cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 24872cc1cb1dSTonghao Zhang int namespace) 24882cc1cb1dSTonghao Zhang { 24892cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 24902cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 24912cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 24922cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 24932cc1cb1dSTonghao Zhang } 24942cc1cb1dSTonghao Zhang 2495d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2496c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2497c500c86bSPablo Neira Ayuso int namespace, 2498d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2499d79b6df6SOr Gerlitz { 2500d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2501d79b6df6SOr Gerlitz 2502c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2503c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2504d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2505d79b6df6SOr Gerlitz 25062cc1cb1dSTonghao Zhang max_actions = mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace); 2507d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2508d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2509d79b6df6SOr Gerlitz 2510d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2511d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2512d79b6df6SOr Gerlitz return -ENOMEM; 2513d79b6df6SOr Gerlitz 2514218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2515d79b6df6SOr Gerlitz return 0; 2516d79b6df6SOr Gerlitz } 2517d79b6df6SOr Gerlitz 2518d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2519d79b6df6SOr Gerlitz 2520d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 252173867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2522e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2523c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2524e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2525d79b6df6SOr Gerlitz { 252673867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 252773867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2528d79b6df6SOr Gerlitz u32 mask, val, offset; 252973867881SPablo Neira Ayuso u8 htype; 2530d79b6df6SOr Gerlitz 253173867881SPablo Neira Ayuso htype = act->mangle.htype; 2532d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2533d79b6df6SOr Gerlitz 253473867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 253573867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2536d79b6df6SOr Gerlitz goto out_err; 2537d79b6df6SOr Gerlitz } 2538d79b6df6SOr Gerlitz 25392cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 25402cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 25412cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 25422cc1cb1dSTonghao Zhang goto out_err; 25432cc1cb1dSTonghao Zhang } 25442cc1cb1dSTonghao Zhang 254573867881SPablo Neira Ayuso mask = act->mangle.mask; 254673867881SPablo Neira Ayuso val = act->mangle.val; 254773867881SPablo Neira Ayuso offset = act->mangle.offset; 2548d79b6df6SOr Gerlitz 2549c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2550d79b6df6SOr Gerlitz if (err) 2551d79b6df6SOr Gerlitz goto out_err; 2552c500c86bSPablo Neira Ayuso 2553c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2554d79b6df6SOr Gerlitz 2555c500c86bSPablo Neira Ayuso return 0; 2556c500c86bSPablo Neira Ayuso out_err: 2557c500c86bSPablo Neira Ayuso return err; 2558c500c86bSPablo Neira Ayuso } 2559c500c86bSPablo Neira Ayuso 2560c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2561c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2562c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 256327c11b6bSEli Britstein u32 *action_flags, 2564c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2565c500c86bSPablo Neira Ayuso { 2566c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2567c500c86bSPablo Neira Ayuso int err; 2568c500c86bSPablo Neira Ayuso u8 cmd; 2569c500c86bSPablo Neira Ayuso 2570218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2571c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2572d79b6df6SOr Gerlitz if (err) 2573d79b6df6SOr Gerlitz goto out_err; 2574218d05ceSTonghao Zhang } 2575d79b6df6SOr Gerlitz 257627c11b6bSEli Britstein err = offload_pedit_fields(hdrs, parse_attr, action_flags, extack); 2577d79b6df6SOr Gerlitz if (err < 0) 2578d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2579d79b6df6SOr Gerlitz 2580d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2581c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2582d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2583e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2584e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2585b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2586d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2587d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2588d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2589d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2590d79b6df6SOr Gerlitz } 2591d79b6df6SOr Gerlitz } 2592d79b6df6SOr Gerlitz 2593d79b6df6SOr Gerlitz return 0; 2594d79b6df6SOr Gerlitz 2595d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2596d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2597d79b6df6SOr Gerlitz out_err: 2598d79b6df6SOr Gerlitz return err; 2599d79b6df6SOr Gerlitz } 2600d79b6df6SOr Gerlitz 2601e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2602e98bedf5SEli Britstein u32 action, 2603e98bedf5SEli Britstein u32 update_flags, 2604e98bedf5SEli Britstein struct netlink_ext_ack *extack) 260526c02749SOr Gerlitz { 260626c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 260726c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 260826c02749SOr Gerlitz 260926c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 261026c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2611e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2612e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 261326c02749SOr Gerlitz netdev_warn(priv->netdev, 261426c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 261526c02749SOr Gerlitz return false; 261626c02749SOr Gerlitz } 261726c02749SOr Gerlitz 261826c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2619e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2620e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 262126c02749SOr Gerlitz netdev_warn(priv->netdev, 262226c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 262326c02749SOr Gerlitz update_flags); 262426c02749SOr Gerlitz return false; 262526c02749SOr Gerlitz } 262626c02749SOr Gerlitz 262726c02749SOr Gerlitz return true; 262826c02749SOr Gerlitz } 262926c02749SOr Gerlitz 26308998576bSDmytro Linkin struct ip_ttl_word { 26318998576bSDmytro Linkin __u8 ttl; 26328998576bSDmytro Linkin __u8 protocol; 26338998576bSDmytro Linkin __sum16 check; 26348998576bSDmytro Linkin }; 26358998576bSDmytro Linkin 26368998576bSDmytro Linkin struct ipv6_hoplimit_word { 26378998576bSDmytro Linkin __be16 payload_len; 26388998576bSDmytro Linkin __u8 nexthdr; 26398998576bSDmytro Linkin __u8 hop_limit; 26408998576bSDmytro Linkin }; 26418998576bSDmytro Linkin 26428998576bSDmytro Linkin static bool is_action_keys_supported(const struct flow_action_entry *act) 26438998576bSDmytro Linkin { 26448998576bSDmytro Linkin u32 mask, offset; 26458998576bSDmytro Linkin u8 htype; 26468998576bSDmytro Linkin 26478998576bSDmytro Linkin htype = act->mangle.htype; 26488998576bSDmytro Linkin offset = act->mangle.offset; 26498998576bSDmytro Linkin mask = ~act->mangle.mask; 26508998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 26518998576bSDmytro Linkin * to determine that modified fields 26528998576bSDmytro Linkin * are NOT ttl & hop_limit only. 26538998576bSDmytro Linkin */ 26548998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 26558998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 26568998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 26578998576bSDmytro Linkin 26588998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 26598998576bSDmytro Linkin ttl_word->protocol || 26608998576bSDmytro Linkin ttl_word->check) { 26618998576bSDmytro Linkin return true; 26628998576bSDmytro Linkin } 26638998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 26648998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 26658998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 26668998576bSDmytro Linkin 26678998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 26688998576bSDmytro Linkin hoplimit_word->payload_len || 26698998576bSDmytro Linkin hoplimit_word->nexthdr) { 26708998576bSDmytro Linkin return true; 26718998576bSDmytro Linkin } 26728998576bSDmytro Linkin } 26738998576bSDmytro Linkin return false; 26748998576bSDmytro Linkin } 26758998576bSDmytro Linkin 2676bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 267773867881SPablo Neira Ayuso struct flow_action *flow_action, 26781651925dSGuy Shattah u32 actions, 2679e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2680bdd66ac0SOr Gerlitz { 268173867881SPablo Neira Ayuso const struct flow_action_entry *act; 2682bdd66ac0SOr Gerlitz bool modify_ip_header; 2683bdd66ac0SOr Gerlitz void *headers_v; 2684bdd66ac0SOr Gerlitz u16 ethertype; 26858998576bSDmytro Linkin u8 ip_proto; 268673867881SPablo Neira Ayuso int i; 2687bdd66ac0SOr Gerlitz 26888377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 2689bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2690bdd66ac0SOr Gerlitz 2691bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2692bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2693bdd66ac0SOr Gerlitz goto out_ok; 2694bdd66ac0SOr Gerlitz 2695bdd66ac0SOr Gerlitz modify_ip_header = false; 269673867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 269773867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 269873867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2699bdd66ac0SOr Gerlitz continue; 2700bdd66ac0SOr Gerlitz 27018998576bSDmytro Linkin if (is_action_keys_supported(act)) { 2702bdd66ac0SOr Gerlitz modify_ip_header = true; 2703bdd66ac0SOr Gerlitz break; 2704bdd66ac0SOr Gerlitz } 2705bdd66ac0SOr Gerlitz } 2706bdd66ac0SOr Gerlitz 2707bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 27081ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 27091ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2710e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2711e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2712bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2713bdd66ac0SOr Gerlitz return false; 2714bdd66ac0SOr Gerlitz } 2715bdd66ac0SOr Gerlitz 2716bdd66ac0SOr Gerlitz out_ok: 2717bdd66ac0SOr Gerlitz return true; 2718bdd66ac0SOr Gerlitz } 2719bdd66ac0SOr Gerlitz 2720bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 272173867881SPablo Neira Ayuso struct flow_action *flow_action, 2722bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2723e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2724e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2725bdd66ac0SOr Gerlitz { 2726bdd66ac0SOr Gerlitz u32 actions; 2727bdd66ac0SOr Gerlitz 2728226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 2729bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2730bdd66ac0SOr Gerlitz else 2731bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2732bdd66ac0SOr Gerlitz 2733226f2ca3SVlad Buslov if (flow_flag_test(flow, EGRESS) && 273435a605dbSEli Britstein !((actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) || 27356830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 27366830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_DROP))) 27377e29392eSRoi Dayan return false; 27387e29392eSRoi Dayan 2739bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 274073867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2741a655fe9fSDavid S. Miller flow_action, actions, 2742e98bedf5SEli Britstein extack); 2743bdd66ac0SOr Gerlitz 2744bdd66ac0SOr Gerlitz return true; 2745bdd66ac0SOr Gerlitz } 2746bdd66ac0SOr Gerlitz 27475c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 27485c65c564SOr Gerlitz { 27495c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2750816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 27515c65c564SOr Gerlitz 27525c65c564SOr Gerlitz fmdev = priv->mdev; 27535c65c564SOr Gerlitz pmdev = peer_priv->mdev; 27545c65c564SOr Gerlitz 275559c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 275659c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 27575c65c564SOr Gerlitz 2758816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 27595c65c564SOr Gerlitz } 27605c65c564SOr Gerlitz 2761bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2762bdc837eeSEli Britstein const struct flow_action_entry *act, 2763bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2764bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2765bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2766bdc837eeSEli Britstein { 2767bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2768bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2769bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2770bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2771bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2772bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2773bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2774bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2775bdc837eeSEli Britstein }; 27766fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 2777bf2f3bcaSEli Britstein void *headers_c, *headers_v; 2778bdc837eeSEli Britstein int err; 2779bdc837eeSEli Britstein 2780bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 2781bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 2782bf2f3bcaSEli Britstein 2783bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 2784bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 2785bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 2786bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 2787bf2f3bcaSEli Britstein return -EOPNOTSUPP; 2788bf2f3bcaSEli Britstein } 2789bf2f3bcaSEli Britstein 27906fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 27916fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 27926fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 27936fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 27946fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 2795bdc837eeSEli Britstein return -EOPNOTSUPP; 2796bdc837eeSEli Britstein } 2797bdc837eeSEli Britstein 2798bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2799bdc837eeSEli Britstein hdrs, NULL); 2800bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2801bdc837eeSEli Britstein 2802bdc837eeSEli Britstein return err; 2803bdc837eeSEli Britstein } 2804bdc837eeSEli Britstein 28050bac1194SEli Britstein static int 28060bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 28070bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 28080bac1194SEli Britstein struct pedit_headers_action *hdrs, 28090bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 28100bac1194SEli Britstein { 28110bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 28120bac1194SEli Britstein .vlan.vid = 0, 28130bac1194SEli Britstein .vlan.prio = 28140bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 28150bac1194SEli Britstein get_match_headers_value(*action, 28160bac1194SEli Britstein &parse_attr->spec), 28170bac1194SEli Britstein first_prio) & 28180bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 28190bac1194SEli Britstein get_match_headers_criteria(*action, 28200bac1194SEli Britstein &parse_attr->spec), 28210bac1194SEli Britstein first_prio), 28220bac1194SEli Britstein }; 28230bac1194SEli Britstein 28240bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 28250bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 28260bac1194SEli Britstein extack); 28270bac1194SEli Britstein } 28280bac1194SEli Britstein 282973867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 283073867881SPablo Neira Ayuso struct flow_action *flow_action, 2831aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2832e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2833e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2834e3a2b7edSAmir Vadai { 2835aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 283673867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 283773867881SPablo Neira Ayuso const struct flow_action_entry *act; 28381cab1cd7SOr Gerlitz u32 action = 0; 2839244cd96aSCong Wang int err, i; 2840e3a2b7edSAmir Vadai 284173867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2842e3a2b7edSAmir Vadai return -EINVAL; 2843e3a2b7edSAmir Vadai 28443bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2845e3a2b7edSAmir Vadai 284673867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 284773867881SPablo Neira Ayuso switch (act->id) { 284873867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 28491cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2850aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2851aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 28521cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 285373867881SPablo Neira Ayuso break; 285473867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 285573867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 285673867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2857c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 28582f4fe4caSOr Gerlitz if (err) 28592f4fe4caSOr Gerlitz return err; 28602f4fe4caSOr Gerlitz 28611cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 28622f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 286373867881SPablo Neira Ayuso break; 2864bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2865bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2866bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2867bdc837eeSEli Britstein act, parse_attr, hdrs, 2868bdc837eeSEli Britstein &action, extack); 2869bdc837eeSEli Britstein if (err) 2870bdc837eeSEli Britstein return err; 2871bdc837eeSEli Britstein 2872bdc837eeSEli Britstein break; 287373867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 28741cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 287573867881SPablo Neira Ayuso act->csum_flags, 2876e98bedf5SEli Britstein extack)) 287773867881SPablo Neira Ayuso break; 287826c02749SOr Gerlitz 287926c02749SOr Gerlitz return -EOPNOTSUPP; 288073867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 288173867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 28825c65c564SOr Gerlitz 28835c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 28845c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 288598b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 2886226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 28871cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 28885c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 28895c65c564SOr Gerlitz } else { 2890e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2891e98bedf5SEli Britstein "device is not on same HW, can't offload"); 28925c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 28935c65c564SOr Gerlitz peer_dev->name); 28945c65c564SOr Gerlitz return -EINVAL; 28955c65c564SOr Gerlitz } 28965c65c564SOr Gerlitz } 289773867881SPablo Neira Ayuso break; 289873867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 289973867881SPablo Neira Ayuso u32 mark = act->mark; 2900e3a2b7edSAmir Vadai 2901e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2902e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2903e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2904e3a2b7edSAmir Vadai return -EINVAL; 2905e3a2b7edSAmir Vadai } 2906e3a2b7edSAmir Vadai 29073bc4b7bfSOr Gerlitz attr->flow_tag = mark; 29081cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2909e3a2b7edSAmir Vadai } 291073867881SPablo Neira Ayuso break; 291173867881SPablo Neira Ayuso default: 29122cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 29132cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 2914e3a2b7edSAmir Vadai } 291573867881SPablo Neira Ayuso } 2916e3a2b7edSAmir Vadai 2917c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2918c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2919c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 292027c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 2921c500c86bSPablo Neira Ayuso if (err) 2922c500c86bSPablo Neira Ayuso return err; 292327c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 292427c11b6bSEli Britstein * flag. 292527c11b6bSEli Britstein */ 2926e7739a60SEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 292727c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2928e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 2929e7739a60SEli Britstein } 2930c500c86bSPablo Neira Ayuso } 2931c500c86bSPablo Neira Ayuso 29321cab1cd7SOr Gerlitz attr->action = action; 293373867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2934bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2935bdd66ac0SOr Gerlitz 2936e3a2b7edSAmir Vadai return 0; 2937e3a2b7edSAmir Vadai } 2938e3a2b7edSAmir Vadai 29397f1a546eSEli Britstein struct encap_key { 29401f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 2941d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 29427f1a546eSEli Britstein }; 29437f1a546eSEli Britstein 29447f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 29457f1a546eSEli Britstein struct encap_key *b) 2946a54e20b4SHadar Hen Zion { 29477f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 2948d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 2949a54e20b4SHadar Hen Zion } 2950a54e20b4SHadar Hen Zion 29517f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 2952a54e20b4SHadar Hen Zion { 29537f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 2954d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 2955a54e20b4SHadar Hen Zion } 2956a54e20b4SHadar Hen Zion 2957a54e20b4SHadar Hen Zion 2958b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2959b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2960b1d90e6bSRabie Loulou { 2961b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2962b1d90e6bSRabie Loulou 2963b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2964b1d90e6bSRabie Loulou 2965b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 296668931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 296768931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 296868931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2969b1d90e6bSRabie Loulou } 2970b1d90e6bSRabie Loulou 2971ce99f6b9SOr Gerlitz 297254c177caSOz Shlomo 2973948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 2974948993f2SVlad Buslov { 2975948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 2976948993f2SVlad Buslov } 2977948993f2SVlad Buslov 2978948993f2SVlad Buslov static struct mlx5e_encap_entry * 2979948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 2980948993f2SVlad Buslov uintptr_t hash_key) 2981948993f2SVlad Buslov { 2982948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2983948993f2SVlad Buslov struct mlx5e_encap_entry *e; 2984948993f2SVlad Buslov struct encap_key e_key; 2985948993f2SVlad Buslov 2986948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2987948993f2SVlad Buslov encap_hlist, hash_key) { 2988948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 2989948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 2990948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 2991948993f2SVlad Buslov mlx5e_encap_take(e)) 2992948993f2SVlad Buslov return e; 2993948993f2SVlad Buslov } 2994948993f2SVlad Buslov 2995948993f2SVlad Buslov return NULL; 2996948993f2SVlad Buslov } 2997948993f2SVlad Buslov 29982a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 29992a4b6526SVlad Buslov { 30002a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 30012a4b6526SVlad Buslov 30022a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 30032a4b6526SVlad Buslov } 30042a4b6526SVlad Buslov 3005a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3006e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3007733d4f36SRoi Dayan struct net_device *mirred_dev, 3008733d4f36SRoi Dayan int out_index, 30098c4dc42bSEli Britstein struct netlink_ext_ack *extack, 30100ad060eeSRoi Dayan struct net_device **encap_dev, 30110ad060eeSRoi Dayan bool *encap_valid) 301203a9d11eSOr Gerlitz { 3013a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 301445247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3015733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 30161f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3017948993f2SVlad Buslov struct encap_key key; 3018c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3019733d4f36SRoi Dayan unsigned short family; 3020a54e20b4SHadar Hen Zion uintptr_t hash_key; 302154c177caSOz Shlomo int err = 0; 3022a54e20b4SHadar Hen Zion 3023733d4f36SRoi Dayan parse_attr = attr->parse_attr; 30241f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3025733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 30267f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3027d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3028d71f895cSEli Cohen if (!key.tc_tunnel) { 3029d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3030d71f895cSEli Cohen return -EOPNOTSUPP; 3031d71f895cSEli Cohen } 3032733d4f36SRoi Dayan 30337f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3034a54e20b4SHadar Hen Zion 303561086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3036948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3037a54e20b4SHadar Hen Zion 3038b2812089SVlad Buslov /* must verify if encap is valid or not */ 3039d589e785SVlad Buslov if (e) { 3040d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3041d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3042d589e785SVlad Buslov 3043d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3044d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 30453c140dd5SVlad Buslov if (e->compl_result < 0) { 3046d589e785SVlad Buslov err = -EREMOTEIO; 3047d589e785SVlad Buslov goto out_err; 3048d589e785SVlad Buslov } 304945247bf2SOr Gerlitz goto attach_flow; 3050d589e785SVlad Buslov } 3051a54e20b4SHadar Hen Zion 3052a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 305361086f39SVlad Buslov if (!e) { 305461086f39SVlad Buslov err = -ENOMEM; 305561086f39SVlad Buslov goto out_err; 305661086f39SVlad Buslov } 3057a54e20b4SHadar Hen Zion 3058948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3059d589e785SVlad Buslov init_completion(&e->res_ready); 3060d589e785SVlad Buslov 30612a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 30622a4b6526SVlad Buslov if (!tun_info) { 30632a4b6526SVlad Buslov err = -ENOMEM; 30642a4b6526SVlad Buslov goto out_err_init; 30652a4b6526SVlad Buslov } 30661f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3067101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 30682a4b6526SVlad Buslov if (err) 30692a4b6526SVlad Buslov goto out_err_init; 307054c177caSOz Shlomo 3071a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3072d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3073d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3074a54e20b4SHadar Hen Zion 3075ce99f6b9SOr Gerlitz if (family == AF_INET) 3076101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3077ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3078101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3079ce99f6b9SOr Gerlitz 3080d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3081d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3082d589e785SVlad Buslov complete_all(&e->res_ready); 3083d589e785SVlad Buslov if (err) { 3084d589e785SVlad Buslov e->compl_result = err; 3085a54e20b4SHadar Hen Zion goto out_err; 3086d589e785SVlad Buslov } 30873c140dd5SVlad Buslov e->compl_result = 1; 3088a54e20b4SHadar Hen Zion 308945247bf2SOr Gerlitz attach_flow: 3090948993f2SVlad Buslov flow->encaps[out_index].e = e; 30918c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 30928c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 309345247bf2SOr Gerlitz *encap_dev = e->out_dev; 30948c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 30952b688ea5SMaor Gottlieb attr->dests[out_index].pkt_reformat = e->pkt_reformat; 30968c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 30970ad060eeSRoi Dayan *encap_valid = true; 30988c4dc42bSEli Britstein } else { 30990ad060eeSRoi Dayan *encap_valid = false; 31008c4dc42bSEli Britstein } 310161086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 310245247bf2SOr Gerlitz 3103232c0013SHadar Hen Zion return err; 3104a54e20b4SHadar Hen Zion 3105a54e20b4SHadar Hen Zion out_err: 310661086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3107d589e785SVlad Buslov if (e) 3108d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3109a54e20b4SHadar Hen Zion return err; 31102a4b6526SVlad Buslov 31112a4b6526SVlad Buslov out_err_init: 31122a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 31132a4b6526SVlad Buslov kfree(tun_info); 31142a4b6526SVlad Buslov kfree(e); 31152a4b6526SVlad Buslov return err; 3116a54e20b4SHadar Hen Zion } 3117a54e20b4SHadar Hen Zion 31181482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 311973867881SPablo Neira Ayuso const struct flow_action_entry *act, 31201482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 31211482bd3dSJianbo Liu u32 *action) 31221482bd3dSJianbo Liu { 3123cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3124cc495188SJianbo Liu 3125cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 31261482bd3dSJianbo Liu return -EOPNOTSUPP; 3127cc495188SJianbo Liu 312873867881SPablo Neira Ayuso switch (act->id) { 312973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3130cc495188SJianbo Liu if (vlan_idx) { 3131cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3132cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3133cc495188SJianbo Liu return -EOPNOTSUPP; 3134cc495188SJianbo Liu 3135cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3136cc495188SJianbo Liu } else { 3137cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3138cc495188SJianbo Liu } 313973867881SPablo Neira Ayuso break; 314073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 314173867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 314273867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 314373867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3144cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3145cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3146cc495188SJianbo Liu 3147cc495188SJianbo Liu if (vlan_idx) { 3148cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3149cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3150cc495188SJianbo Liu return -EOPNOTSUPP; 3151cc495188SJianbo Liu 3152cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3153cc495188SJianbo Liu } else { 3154cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 315573867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 315673867881SPablo Neira Ayuso act->vlan.prio)) 3157cc495188SJianbo Liu return -EOPNOTSUPP; 3158cc495188SJianbo Liu 3159cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 31601482bd3dSJianbo Liu } 316173867881SPablo Neira Ayuso break; 316273867881SPablo Neira Ayuso default: 3163bdc837eeSEli Britstein return -EINVAL; 31641482bd3dSJianbo Liu } 31651482bd3dSJianbo Liu 3166cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3167cc495188SJianbo Liu 31681482bd3dSJianbo Liu return 0; 31691482bd3dSJianbo Liu } 31701482bd3dSJianbo Liu 3171278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3172278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3173278748a9SEli Britstein struct net_device **out_dev, 3174278748a9SEli Britstein u32 *action) 3175278748a9SEli Britstein { 3176278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3177278748a9SEli Britstein struct flow_action_entry vlan_act = { 3178278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3179278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3180278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3181278748a9SEli Britstein .vlan.prio = 0, 3182278748a9SEli Britstein }; 3183278748a9SEli Britstein int err; 3184278748a9SEli Britstein 3185278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3186278748a9SEli Britstein if (err) 3187278748a9SEli Britstein return err; 3188278748a9SEli Britstein 3189278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3190278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3191278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3192278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3193278748a9SEli Britstein 3194278748a9SEli Britstein return err; 3195278748a9SEli Britstein } 3196278748a9SEli Britstein 319735a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 319835a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 319935a605dbSEli Britstein u32 *action) 320035a605dbSEli Britstein { 3201f3b0a18bSTaehee Yoo int nest_level = attr->parse_attr->filter_dev->lower_level; 320235a605dbSEli Britstein struct flow_action_entry vlan_act = { 320335a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 320435a605dbSEli Britstein }; 320535a605dbSEli Britstein int err = 0; 320635a605dbSEli Britstein 320735a605dbSEli Britstein while (nest_level--) { 320835a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 320935a605dbSEli Britstein if (err) 321035a605dbSEli Britstein return err; 321135a605dbSEli Britstein } 321235a605dbSEli Britstein 321335a605dbSEli Britstein return err; 321435a605dbSEli Britstein } 321535a605dbSEli Britstein 3216f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3217f6dc1264SPaul Blakey struct net_device *out_dev) 3218f6dc1264SPaul Blakey { 3219f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 3220f6dc1264SPaul Blakey return true; 3221f6dc1264SPaul Blakey 3222f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 3223f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 3224f6dc1264SPaul Blakey } 3225f6dc1264SPaul Blakey 322673867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 322773867881SPablo Neira Ayuso struct flow_action *flow_action, 3228e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3229e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3230a54e20b4SHadar Hen Zion { 323173867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3232bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3233ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 32346f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 32351d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 323673867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 323784179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 323873867881SPablo Neira Ayuso const struct flow_action_entry *act; 3239a54e20b4SHadar Hen Zion bool encap = false; 32401cab1cd7SOr Gerlitz u32 action = 0; 3241244cd96aSCong Wang int err, i; 324203a9d11eSOr Gerlitz 324373867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 324403a9d11eSOr Gerlitz return -EINVAL; 324503a9d11eSOr Gerlitz 324673867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 324773867881SPablo Neira Ayuso switch (act->id) { 324873867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 32491cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 325003a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 325173867881SPablo Neira Ayuso break; 325273867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 325373867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 325473867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3255c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 3256d7e75a32SOr Gerlitz if (err) 3257d7e75a32SOr Gerlitz return err; 3258d7e75a32SOr Gerlitz 32591cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3260e85e02baSEli Britstein attr->split_count = attr->out_count; 326173867881SPablo Neira Ayuso break; 326273867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 32631cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 326473867881SPablo Neira Ayuso act->csum_flags, extack)) 326573867881SPablo Neira Ayuso break; 326626c02749SOr Gerlitz 326726c02749SOr Gerlitz return -EOPNOTSUPP; 326873867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 326973867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 327003a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3271592d3651SChris Mi struct net_device *out_dev; 327203a9d11eSOr Gerlitz 327373867881SPablo Neira Ayuso out_dev = act->dev; 3274ef381359SOz Shlomo if (!out_dev) { 3275ef381359SOz Shlomo /* out_dev is NULL when filters with 3276ef381359SOz Shlomo * non-existing mirred device are replayed to 3277ef381359SOz Shlomo * the driver. 3278ef381359SOz Shlomo */ 3279ef381359SOz Shlomo return -EINVAL; 3280ef381359SOz Shlomo } 328103a9d11eSOr Gerlitz 328284179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 328384179981SPaul Blakey /* Ignore forward to self rules generated 328484179981SPaul Blakey * by adding both mlx5 devs to the flow table 328584179981SPaul Blakey * block on a normal nft offload setup. 328684179981SPaul Blakey */ 328784179981SPaul Blakey return -EOPNOTSUPP; 328884179981SPaul Blakey } 328984179981SPaul Blakey 3290592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3291e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3292e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 3293592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 3294592d3651SChris Mi attr->out_count); 3295592d3651SChris Mi return -EOPNOTSUPP; 3296592d3651SChris Mi } 3297592d3651SChris Mi 3298f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3299f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3300b6a4ac24SVlad Buslov if (encap) { 3301b6a4ac24SVlad Buslov parse_attr->mirred_ifindex[attr->out_count] = 3302b6a4ac24SVlad Buslov out_dev->ifindex; 3303b6a4ac24SVlad Buslov parse_attr->tun_info[attr->out_count] = dup_tun_info(info); 3304b6a4ac24SVlad Buslov if (!parse_attr->tun_info[attr->out_count]) 3305b6a4ac24SVlad Buslov return -ENOMEM; 3306b6a4ac24SVlad Buslov encap = false; 3307b6a4ac24SVlad Buslov attr->dests[attr->out_count].flags |= 3308b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 3309b6a4ac24SVlad Buslov attr->out_count++; 3310b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 3311b6a4ac24SVlad Buslov * handle encap 3312b6a4ac24SVlad Buslov */ 3313b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 33147ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 33157ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 3316fa833bd5SVlad Buslov struct net_device *uplink_upper; 33177ba58ba7SRabie Loulou 3318fa833bd5SVlad Buslov rcu_read_lock(); 3319fa833bd5SVlad Buslov uplink_upper = 3320fa833bd5SVlad Buslov netdev_master_upper_dev_get_rcu(uplink_dev); 33217ba58ba7SRabie Loulou if (uplink_upper && 33227ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 33237ba58ba7SRabie Loulou uplink_upper == out_dev) 33247ba58ba7SRabie Loulou out_dev = uplink_dev; 3325fa833bd5SVlad Buslov rcu_read_unlock(); 33267ba58ba7SRabie Loulou 3327278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3328278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3329278748a9SEli Britstein &out_dev, 3330278748a9SEli Britstein &action); 3331278748a9SEli Britstein if (err) 3332278748a9SEli Britstein return err; 3333278748a9SEli Britstein } 3334f6dc1264SPaul Blakey 333535a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 333635a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 333735a605dbSEli Britstein &action); 333835a605dbSEli Britstein if (err) 333935a605dbSEli Britstein return err; 334035a605dbSEli Britstein } 3341278748a9SEli Britstein 3342f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3343f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3344f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 3345f6dc1264SPaul Blakey pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3346f6dc1264SPaul Blakey priv->netdev->name, out_dev->name); 3347a0646c88SEli Britstein return -EOPNOTSUPP; 3348f6dc1264SPaul Blakey } 3349a0646c88SEli Britstein 335003a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 33511d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3352df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 3353df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 3354df65a573SEli Britstein attr->out_count++; 3355ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3356ef381359SOz Shlomo /* All mlx5 devices are called to configure 3357ef381359SOz Shlomo * high level device filters. Therefore, the 3358ef381359SOz Shlomo * *attempt* to install a filter on invalid 3359ef381359SOz Shlomo * eswitch should not trigger an explicit error 3360ef381359SOz Shlomo */ 3361ef381359SOz Shlomo return -EINVAL; 3362a54e20b4SHadar Hen Zion } else { 3363e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3364e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 3365a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3366a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 3367a54e20b4SHadar Hen Zion return -EINVAL; 3368a54e20b4SHadar Hen Zion } 3369a54e20b4SHadar Hen Zion } 337073867881SPablo Neira Ayuso break; 337173867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 337273867881SPablo Neira Ayuso info = act->tunnel; 3373a54e20b4SHadar Hen Zion if (info) 3374a54e20b4SHadar Hen Zion encap = true; 3375a54e20b4SHadar Hen Zion else 3376a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 337703a9d11eSOr Gerlitz 337873867881SPablo Neira Ayuso break; 337973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 338073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 338176b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 338276b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 338376b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 338476b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 338576b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 338676b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 338776b496b1SEli Britstein act, parse_attr, hdrs, 338876b496b1SEli Britstein &action, extack); 338976b496b1SEli Britstein } else { 339073867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 339176b496b1SEli Britstein } 33921482bd3dSJianbo Liu if (err) 33931482bd3dSJianbo Liu return err; 33941482bd3dSJianbo Liu 3395e85e02baSEli Britstein attr->split_count = attr->out_count; 339673867881SPablo Neira Ayuso break; 3397bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3398bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3399bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3400bdc837eeSEli Britstein act, parse_attr, hdrs, 3401bdc837eeSEli Britstein &action, extack); 3402bdc837eeSEli Britstein if (err) 3403bdc837eeSEli Britstein return err; 3404bdc837eeSEli Britstein 3405bdc837eeSEli Britstein attr->split_count = attr->out_count; 3406bdc837eeSEli Britstein break; 340773867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 34081cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 340973867881SPablo Neira Ayuso break; 341073867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 341173867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 3412bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 3413bf07aa73SPaul Blakey 341484179981SPaul Blakey if (ft_flow) { 341584179981SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 341684179981SPaul Blakey return -EOPNOTSUPP; 341784179981SPaul Blakey } 3418bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 3419bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 3420bf07aa73SPaul Blakey return -EOPNOTSUPP; 3421bf07aa73SPaul Blakey } 3422bf07aa73SPaul Blakey if (dest_chain > max_chain) { 3423bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 3424bf07aa73SPaul Blakey return -EOPNOTSUPP; 3425bf07aa73SPaul Blakey } 3426e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3427bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 342873867881SPablo Neira Ayuso break; 3429bf07aa73SPaul Blakey } 343073867881SPablo Neira Ayuso default: 34312cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 34322cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 343303a9d11eSOr Gerlitz } 343473867881SPablo Neira Ayuso } 3435bdd66ac0SOr Gerlitz 34360bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 34370bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 34380bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 34390bac1194SEli Britstein * tag rewrite. 34400bac1194SEli Britstein */ 34410bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 34420bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 34430bac1194SEli Britstein &action, extack); 34440bac1194SEli Britstein if (err) 34450bac1194SEli Britstein return err; 34460bac1194SEli Britstein } 34470bac1194SEli Britstein 3448c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3449c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 345084be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 345127c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3452c500c86bSPablo Neira Ayuso if (err) 3453c500c86bSPablo Neira Ayuso return err; 345427c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 345527c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 345627c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 345727c11b6bSEli Britstein */ 345827c11b6bSEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 345927c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3460e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 346127c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 346227c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 346327c11b6bSEli Britstein attr->split_count = 0; 346427c11b6bSEli Britstein } 3465c500c86bSPablo Neira Ayuso } 3466c500c86bSPablo Neira Ayuso 34671cab1cd7SOr Gerlitz attr->action = action; 346873867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3469bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3470bdd66ac0SOr Gerlitz 3471e88afe75SOr Gerlitz if (attr->dest_chain) { 3472e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3473e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3474e88afe75SOr Gerlitz return -EOPNOTSUPP; 3475e88afe75SOr Gerlitz } 3476e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3477e88afe75SOr Gerlitz } 3478e88afe75SOr Gerlitz 3479ae2741e2SVlad Buslov if (!(attr->action & 3480ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 3481ae2741e2SVlad Buslov NL_SET_ERR_MSG(extack, "Rule must have at least one forward/drop action"); 3482ae2741e2SVlad Buslov return -EOPNOTSUPP; 3483ae2741e2SVlad Buslov } 3484ae2741e2SVlad Buslov 3485e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3486e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3487e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3488592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3489592d3651SChris Mi return -EOPNOTSUPP; 3490592d3651SChris Mi } 3491592d3651SChris Mi 349231c8eba5SOr Gerlitz return 0; 349303a9d11eSOr Gerlitz } 349403a9d11eSOr Gerlitz 3495226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 349660bd4af8SOr Gerlitz { 3497226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 349860bd4af8SOr Gerlitz 3499226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3500226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3501226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3502226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 350360bd4af8SOr Gerlitz 3504226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3505226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3506226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3507226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 350884179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 350984179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 3510d9ee0491SOr Gerlitz 351160bd4af8SOr Gerlitz *flow_flags = __flow_flags; 351260bd4af8SOr Gerlitz } 351360bd4af8SOr Gerlitz 351405866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 351505866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 351605866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 351705866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 351805866c82SOr Gerlitz .automatic_shrinking = true, 351905866c82SOr Gerlitz }; 352005866c82SOr Gerlitz 3521226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3522226f2ca3SVlad Buslov unsigned long flags) 352305866c82SOr Gerlitz { 3524655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3525655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3526655dc3d2SOr Gerlitz 3527226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3528655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3529ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3530d9ee0491SOr Gerlitz } else /* NIC offload */ 353105866c82SOr Gerlitz return &priv->fs.tc.ht; 353205866c82SOr Gerlitz } 353305866c82SOr Gerlitz 353404de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 353504de7ddaSRoi Dayan { 35361418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3537b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 3538226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 35391418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 35401418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 35411418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 35421418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 35431418ddd9SAviv Heller 354410fbb1cdSRoi Dayan if (!esw_paired) 354510fbb1cdSRoi Dayan return false; 354610fbb1cdSRoi Dayan 354710fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 354810fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 354910fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 355010fbb1cdSRoi Dayan return true; 355110fbb1cdSRoi Dayan 355210fbb1cdSRoi Dayan return false; 355304de7ddaSRoi Dayan } 355404de7ddaSRoi Dayan 3555a88780a9SRoi Dayan static int 3556a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3557226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3558a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3559a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3560e3a2b7edSAmir Vadai { 356117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 35623bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 35635a7e5bcbSVlad Buslov int out_index, err; 3564776b12b6SOr Gerlitz 356565ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 35661b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 356717091853SOr Gerlitz if (!parse_attr || !flow) { 3568e3a2b7edSAmir Vadai err = -ENOMEM; 3569e3a2b7edSAmir Vadai goto err_free; 3570e3a2b7edSAmir Vadai } 3571e3a2b7edSAmir Vadai 3572e3a2b7edSAmir Vadai flow->cookie = f->cookie; 357365ba8fb7SOr Gerlitz flow->flags = flow_flags; 3574655dc3d2SOr Gerlitz flow->priv = priv; 35755a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 35765a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 35775a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 35785a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 35795a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 358095435ad7SVlad Buslov init_completion(&flow->init_done); 3581e3a2b7edSAmir Vadai 3582a88780a9SRoi Dayan *__flow = flow; 3583a88780a9SRoi Dayan *__parse_attr = parse_attr; 3584a88780a9SRoi Dayan 3585a88780a9SRoi Dayan return 0; 3586a88780a9SRoi Dayan 3587a88780a9SRoi Dayan err_free: 3588a88780a9SRoi Dayan kfree(flow); 3589a88780a9SRoi Dayan kvfree(parse_attr); 3590a88780a9SRoi Dayan return err; 3591adb4c123SOr Gerlitz } 3592adb4c123SOr Gerlitz 3593988ab9c7STonghao Zhang static void 3594988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 3595988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3596988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3597f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3598988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3599988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3600988ab9c7STonghao Zhang { 3601988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3602988ab9c7STonghao Zhang 3603988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 3604988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 3605ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 3606988ab9c7STonghao Zhang 3607988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3608988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3609988ab9c7STonghao Zhang 3610988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3611988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3612988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3613988ab9c7STonghao Zhang else 3614988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3615988ab9c7STonghao Zhang } 3616988ab9c7STonghao Zhang 361771129676SJason Gunthorpe static struct mlx5e_tc_flow * 361804de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3619f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3620226f2ca3SVlad Buslov unsigned long flow_flags, 3621d11afc26SOz Shlomo struct net_device *filter_dev, 362204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 362371129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3624a88780a9SRoi Dayan { 3625f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3626a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3627a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3628a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3629a88780a9SRoi Dayan int attr_size, err; 3630a88780a9SRoi Dayan 3631226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3632a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3633a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3634a88780a9SRoi Dayan &parse_attr, &flow); 3635a88780a9SRoi Dayan if (err) 3636a88780a9SRoi Dayan goto out; 3637988ab9c7STonghao Zhang 3638d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3639988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 3640988ab9c7STonghao Zhang priv, parse_attr, 3641988ab9c7STonghao Zhang f, in_rep, in_mdev); 3642988ab9c7STonghao Zhang 364354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 364454c177caSOz Shlomo f, filter_dev); 3645d11afc26SOz Shlomo if (err) 3646d11afc26SOz Shlomo goto err_free; 3647a88780a9SRoi Dayan 36486f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 3649a88780a9SRoi Dayan if (err) 3650a88780a9SRoi Dayan goto err_free; 3651a88780a9SRoi Dayan 36527040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 365395435ad7SVlad Buslov complete_all(&flow->init_done); 3654ef06c9eeSRoi Dayan if (err) { 3655ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3656aa0cbbaeSOr Gerlitz goto err_free; 36575c40348cSOr Gerlitz 3658b4a23329SRoi Dayan add_unready_flow(flow); 3659ef06c9eeSRoi Dayan } 3660ef06c9eeSRoi Dayan 366171129676SJason Gunthorpe return flow; 3662e3a2b7edSAmir Vadai 3663e3a2b7edSAmir Vadai err_free: 36645a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3665a88780a9SRoi Dayan out: 366671129676SJason Gunthorpe return ERR_PTR(err); 3667a88780a9SRoi Dayan } 3668a88780a9SRoi Dayan 3669f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 367095dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 3671226f2ca3SVlad Buslov unsigned long flow_flags) 367204de7ddaSRoi Dayan { 367304de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 367404de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 367504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 367604de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 367704de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 367804de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 367904de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 368004de7ddaSRoi Dayan int err = 0; 368104de7ddaSRoi Dayan 368204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 368304de7ddaSRoi Dayan if (!peer_esw) 368404de7ddaSRoi Dayan return -ENODEV; 368504de7ddaSRoi Dayan 368604de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 368704de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 368804de7ddaSRoi Dayan 368904de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 369004de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 369104de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 369204de7ddaSRoi Dayan * peer mdev. 369304de7ddaSRoi Dayan */ 3694b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 369504de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 369604de7ddaSRoi Dayan else 369704de7ddaSRoi Dayan in_mdev = priv->mdev; 369804de7ddaSRoi Dayan 369904de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 370095dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 370104de7ddaSRoi Dayan parse_attr->filter_dev, 370271129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 370371129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 370471129676SJason Gunthorpe err = PTR_ERR(peer_flow); 370504de7ddaSRoi Dayan goto out; 370671129676SJason Gunthorpe } 370704de7ddaSRoi Dayan 370804de7ddaSRoi Dayan flow->peer_flow = peer_flow; 3709226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 371004de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 371104de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 371204de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 371304de7ddaSRoi Dayan 371404de7ddaSRoi Dayan out: 371504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 371604de7ddaSRoi Dayan return err; 371704de7ddaSRoi Dayan } 371804de7ddaSRoi Dayan 371904de7ddaSRoi Dayan static int 372004de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3721f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3722226f2ca3SVlad Buslov unsigned long flow_flags, 372304de7ddaSRoi Dayan struct net_device *filter_dev, 372404de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 372504de7ddaSRoi Dayan { 372604de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 372704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 372804de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 372904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 373004de7ddaSRoi Dayan int err; 373104de7ddaSRoi Dayan 373271129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 373371129676SJason Gunthorpe in_mdev); 373471129676SJason Gunthorpe if (IS_ERR(flow)) 373571129676SJason Gunthorpe return PTR_ERR(flow); 373604de7ddaSRoi Dayan 373704de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 373895dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 373904de7ddaSRoi Dayan if (err) { 374004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 374104de7ddaSRoi Dayan goto out; 374204de7ddaSRoi Dayan } 374304de7ddaSRoi Dayan } 374404de7ddaSRoi Dayan 374504de7ddaSRoi Dayan *__flow = flow; 374604de7ddaSRoi Dayan 374704de7ddaSRoi Dayan return 0; 374804de7ddaSRoi Dayan 374904de7ddaSRoi Dayan out: 375004de7ddaSRoi Dayan return err; 375104de7ddaSRoi Dayan } 375204de7ddaSRoi Dayan 3753a88780a9SRoi Dayan static int 3754a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3755f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3756226f2ca3SVlad Buslov unsigned long flow_flags, 3757d11afc26SOz Shlomo struct net_device *filter_dev, 3758a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3759a88780a9SRoi Dayan { 3760f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3761a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3762a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3763a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3764a88780a9SRoi Dayan int attr_size, err; 3765a88780a9SRoi Dayan 3766bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3767bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3768bf07aa73SPaul Blakey return -EOPNOTSUPP; 3769bf07aa73SPaul Blakey 3770226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3771a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3772a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3773a88780a9SRoi Dayan &parse_attr, &flow); 3774a88780a9SRoi Dayan if (err) 3775a88780a9SRoi Dayan goto out; 3776a88780a9SRoi Dayan 3777d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 377854c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 377954c177caSOz Shlomo f, filter_dev); 3780d11afc26SOz Shlomo if (err) 3781d11afc26SOz Shlomo goto err_free; 3782d11afc26SOz Shlomo 378373867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3784a88780a9SRoi Dayan if (err) 3785a88780a9SRoi Dayan goto err_free; 3786a88780a9SRoi Dayan 3787a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3788a88780a9SRoi Dayan if (err) 3789a88780a9SRoi Dayan goto err_free; 3790a88780a9SRoi Dayan 3791226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 3792a88780a9SRoi Dayan kvfree(parse_attr); 3793a88780a9SRoi Dayan *__flow = flow; 3794a88780a9SRoi Dayan 3795a88780a9SRoi Dayan return 0; 3796a88780a9SRoi Dayan 3797a88780a9SRoi Dayan err_free: 37985a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3799a88780a9SRoi Dayan kvfree(parse_attr); 3800a88780a9SRoi Dayan out: 3801a88780a9SRoi Dayan return err; 3802a88780a9SRoi Dayan } 3803a88780a9SRoi Dayan 3804a88780a9SRoi Dayan static int 3805a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3806f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3807226f2ca3SVlad Buslov unsigned long flags, 3808d11afc26SOz Shlomo struct net_device *filter_dev, 3809a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3810a88780a9SRoi Dayan { 3811a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3812226f2ca3SVlad Buslov unsigned long flow_flags; 3813a88780a9SRoi Dayan int err; 3814a88780a9SRoi Dayan 3815a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3816a88780a9SRoi Dayan 3817bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3818bf07aa73SPaul Blakey return -EOPNOTSUPP; 3819bf07aa73SPaul Blakey 3820f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3821d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3822d11afc26SOz Shlomo filter_dev, flow); 3823a88780a9SRoi Dayan else 3824d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3825d11afc26SOz Shlomo filter_dev, flow); 3826a88780a9SRoi Dayan 3827a88780a9SRoi Dayan return err; 3828a88780a9SRoi Dayan } 3829a88780a9SRoi Dayan 383071d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3831226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3832a88780a9SRoi Dayan { 3833a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3834d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3835a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3836a88780a9SRoi Dayan int err = 0; 3837a88780a9SRoi Dayan 3838c5d326b2SVlad Buslov rcu_read_lock(); 3839c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3840c5d326b2SVlad Buslov rcu_read_unlock(); 3841a88780a9SRoi Dayan if (flow) { 3842a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3843a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3844a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3845a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3846a88780a9SRoi Dayan f->cookie); 38470e1c1a2fSVlad Buslov err = -EEXIST; 3848a88780a9SRoi Dayan goto out; 3849a88780a9SRoi Dayan } 3850a88780a9SRoi Dayan 38517a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 3852d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3853a88780a9SRoi Dayan if (err) 3854a88780a9SRoi Dayan goto out; 3855a88780a9SRoi Dayan 3856c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 3857a88780a9SRoi Dayan if (err) 3858a88780a9SRoi Dayan goto err_free; 3859a88780a9SRoi Dayan 3860a88780a9SRoi Dayan return 0; 3861a88780a9SRoi Dayan 3862a88780a9SRoi Dayan err_free: 38635a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3864a88780a9SRoi Dayan out: 3865e3a2b7edSAmir Vadai return err; 3866e3a2b7edSAmir Vadai } 3867e3a2b7edSAmir Vadai 38688f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 38698f8ae895SOr Gerlitz { 3870226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 3871226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 38728f8ae895SOr Gerlitz 3873226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 3874226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 38758f8ae895SOr Gerlitz } 38768f8ae895SOr Gerlitz 387771d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 3878226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3879e3a2b7edSAmir Vadai { 3880d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3881e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3882c5d326b2SVlad Buslov int err; 3883e3a2b7edSAmir Vadai 3884c5d326b2SVlad Buslov rcu_read_lock(); 3885ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3886c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 3887c5d326b2SVlad Buslov err = -EINVAL; 3888c5d326b2SVlad Buslov goto errout; 3889c5d326b2SVlad Buslov } 3890e3a2b7edSAmir Vadai 3891c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 3892c5d326b2SVlad Buslov * set. 3893c5d326b2SVlad Buslov */ 3894c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 3895c5d326b2SVlad Buslov err = -EINVAL; 3896c5d326b2SVlad Buslov goto errout; 3897c5d326b2SVlad Buslov } 389805866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3899c5d326b2SVlad Buslov rcu_read_unlock(); 3900e3a2b7edSAmir Vadai 39017a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 39025a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3903e3a2b7edSAmir Vadai 3904e3a2b7edSAmir Vadai return 0; 3905c5d326b2SVlad Buslov 3906c5d326b2SVlad Buslov errout: 3907c5d326b2SVlad Buslov rcu_read_unlock(); 3908c5d326b2SVlad Buslov return err; 3909e3a2b7edSAmir Vadai } 3910e3a2b7edSAmir Vadai 391171d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 3912226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3913aad7e08dSAmir Vadai { 391404de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3915d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 391604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3917aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3918aad7e08dSAmir Vadai struct mlx5_fc *counter; 3919316d5f72SRoi Dayan u64 lastuse = 0; 3920316d5f72SRoi Dayan u64 packets = 0; 3921316d5f72SRoi Dayan u64 bytes = 0; 39225a7e5bcbSVlad Buslov int err = 0; 3923aad7e08dSAmir Vadai 3924c5d326b2SVlad Buslov rcu_read_lock(); 3925c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 39265a7e5bcbSVlad Buslov tc_ht_params)); 3927c5d326b2SVlad Buslov rcu_read_unlock(); 39285a7e5bcbSVlad Buslov if (IS_ERR(flow)) 39295a7e5bcbSVlad Buslov return PTR_ERR(flow); 39305a7e5bcbSVlad Buslov 39315a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 39325a7e5bcbSVlad Buslov err = -EINVAL; 39335a7e5bcbSVlad Buslov goto errout; 39345a7e5bcbSVlad Buslov } 3935aad7e08dSAmir Vadai 3936226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 3937b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3938aad7e08dSAmir Vadai if (!counter) 39395a7e5bcbSVlad Buslov goto errout; 3940aad7e08dSAmir Vadai 3941aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3942316d5f72SRoi Dayan } 3943aad7e08dSAmir Vadai 3944316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3945316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3946316d5f72SRoi Dayan */ 394704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 394804de7ddaSRoi Dayan if (!peer_esw) 394904de7ddaSRoi Dayan goto out; 395004de7ddaSRoi Dayan 3951226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 3952226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 395304de7ddaSRoi Dayan u64 bytes2; 395404de7ddaSRoi Dayan u64 packets2; 395504de7ddaSRoi Dayan u64 lastuse2; 395604de7ddaSRoi Dayan 395704de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3958316d5f72SRoi Dayan if (!counter) 3959316d5f72SRoi Dayan goto no_peer_counter; 396004de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 396104de7ddaSRoi Dayan 396204de7ddaSRoi Dayan bytes += bytes2; 396304de7ddaSRoi Dayan packets += packets2; 396404de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 396504de7ddaSRoi Dayan } 396604de7ddaSRoi Dayan 3967316d5f72SRoi Dayan no_peer_counter: 396804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 396904de7ddaSRoi Dayan out: 39703b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 39717a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 39725a7e5bcbSVlad Buslov errout: 39735a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 39745a7e5bcbSVlad Buslov return err; 3975aad7e08dSAmir Vadai } 3976aad7e08dSAmir Vadai 3977fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 3978fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 3979fcb64c0fSEli Cohen { 3980fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3981fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 3982fcb64c0fSEli Cohen u16 vport_num; 3983fcb64c0fSEli Cohen u32 rate_mbps; 3984fcb64c0fSEli Cohen int err; 3985fcb64c0fSEli Cohen 3986fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 3987fcb64c0fSEli Cohen /* rate is given in bytes/sec. 3988fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 3989fcb64c0fSEli Cohen * mbit means million bits. 3990fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 3991fcb64c0fSEli Cohen * 1 mbit/sec. 3992fcb64c0fSEli Cohen */ 3993fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 3994fcb64c0fSEli Cohen vport_num = rpriv->rep->vport; 3995fcb64c0fSEli Cohen 3996fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 3997fcb64c0fSEli Cohen if (err) 3998fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 3999fcb64c0fSEli Cohen 4000fcb64c0fSEli Cohen return err; 4001fcb64c0fSEli Cohen } 4002fcb64c0fSEli Cohen 4003fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4004fcb64c0fSEli Cohen struct flow_action *flow_action, 4005fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4006fcb64c0fSEli Cohen { 4007fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4008fcb64c0fSEli Cohen const struct flow_action_entry *act; 4009fcb64c0fSEli Cohen int err; 4010fcb64c0fSEli Cohen int i; 4011fcb64c0fSEli Cohen 4012fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4013fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4014fcb64c0fSEli Cohen return -EINVAL; 4015fcb64c0fSEli Cohen } 4016fcb64c0fSEli Cohen 4017fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4018fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4019fcb64c0fSEli Cohen return -EOPNOTSUPP; 4020fcb64c0fSEli Cohen } 4021fcb64c0fSEli Cohen 4022fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4023fcb64c0fSEli Cohen switch (act->id) { 4024fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 4025fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4026fcb64c0fSEli Cohen if (err) 4027fcb64c0fSEli Cohen return err; 4028fcb64c0fSEli Cohen 4029fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4030fcb64c0fSEli Cohen break; 4031fcb64c0fSEli Cohen default: 4032fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4033fcb64c0fSEli Cohen return -EOPNOTSUPP; 4034fcb64c0fSEli Cohen } 4035fcb64c0fSEli Cohen } 4036fcb64c0fSEli Cohen 4037fcb64c0fSEli Cohen return 0; 4038fcb64c0fSEli Cohen } 4039fcb64c0fSEli Cohen 4040fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4041fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4042fcb64c0fSEli Cohen { 4043fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4044fcb64c0fSEli Cohen 40457b83355fSEli Cohen if (ma->common.prio != 1) { 4046fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4047fcb64c0fSEli Cohen return -EINVAL; 4048fcb64c0fSEli Cohen } 4049fcb64c0fSEli Cohen 4050fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4051fcb64c0fSEli Cohen } 4052fcb64c0fSEli Cohen 4053fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4054fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4055fcb64c0fSEli Cohen { 4056fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4057fcb64c0fSEli Cohen 4058fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4059fcb64c0fSEli Cohen } 4060fcb64c0fSEli Cohen 4061fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4062fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4063fcb64c0fSEli Cohen { 4064fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4065fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4066fcb64c0fSEli Cohen u64 dbytes; 4067fcb64c0fSEli Cohen u64 dpkts; 4068fcb64c0fSEli Cohen 4069fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4070fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4071fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4072fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 4073fcb64c0fSEli Cohen flow_stats_update(&ma->stats, dpkts, dbytes, jiffies); 4074fcb64c0fSEli Cohen } 4075fcb64c0fSEli Cohen 40764d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 40774d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 40784d8fcf21SAlaa Hleihel { 40794d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4080db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4081db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 40824d8fcf21SAlaa Hleihel u16 peer_vhca_id; 40834d8fcf21SAlaa Hleihel int bkt; 40844d8fcf21SAlaa Hleihel 40854d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 40864d8fcf21SAlaa Hleihel return; 40874d8fcf21SAlaa Hleihel 40884d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 40894d8fcf21SAlaa Hleihel 4090b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4091db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4092db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4093db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4094b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4095db76ca24SVlad Buslov 4096db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4097db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4098db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4099db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4100db76ca24SVlad Buslov 4101db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4102db76ca24SVlad Buslov } 41034d8fcf21SAlaa Hleihel } 41044d8fcf21SAlaa Hleihel 41054d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 41064d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 41074d8fcf21SAlaa Hleihel { 41084d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 41094d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 41104d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 41114d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 41124d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 41134d8fcf21SAlaa Hleihel 41144d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 41154d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 41164d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 41174d8fcf21SAlaa Hleihel return NOTIFY_DONE; 41184d8fcf21SAlaa Hleihel 41194d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 41204d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 41214d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 41224d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 41234d8fcf21SAlaa Hleihel if (priv == peer_priv || 41244d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 41254d8fcf21SAlaa Hleihel return NOTIFY_DONE; 41264d8fcf21SAlaa Hleihel 41274d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 41284d8fcf21SAlaa Hleihel 41294d8fcf21SAlaa Hleihel return NOTIFY_DONE; 41304d8fcf21SAlaa Hleihel } 41314d8fcf21SAlaa Hleihel 4132655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4133e8f887acSAmir Vadai { 4134acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 41354d8fcf21SAlaa Hleihel int err; 4136e8f887acSAmir Vadai 4137b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4138d2faae25SVlad Buslov mutex_init(&tc->mod_hdr.lock); 4139dd58edc3SVlad Buslov hash_init(tc->mod_hdr.hlist); 4140b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 41415c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 414211c9c548SOr Gerlitz 41434d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 41444d8fcf21SAlaa Hleihel if (err) 41454d8fcf21SAlaa Hleihel return err; 41464d8fcf21SAlaa Hleihel 41474d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 41484d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 41494d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 41504d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 41514d8fcf21SAlaa Hleihel } 41524d8fcf21SAlaa Hleihel 41534d8fcf21SAlaa Hleihel return err; 4154e8f887acSAmir Vadai } 4155e8f887acSAmir Vadai 4156e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4157e8f887acSAmir Vadai { 4158e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4159655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4160e8f887acSAmir Vadai 4161961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4162e8f887acSAmir Vadai kfree(flow); 4163e8f887acSAmir Vadai } 4164e8f887acSAmir Vadai 4165655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4166e8f887acSAmir Vadai { 4167acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4168e8f887acSAmir Vadai 41694d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 41704d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 41714d8fcf21SAlaa Hleihel 4172d2faae25SVlad Buslov mutex_destroy(&tc->mod_hdr.lock); 4173b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4174b32accdaSVlad Buslov 4175d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4176e8f887acSAmir Vadai 4177acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4178acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4179acff797cSMaor Gottlieb tc->t = NULL; 4180e8f887acSAmir Vadai } 4181b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4182e8f887acSAmir Vadai } 4183655dc3d2SOr Gerlitz 4184655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4185655dc3d2SOr Gerlitz { 4186655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 4187655dc3d2SOr Gerlitz } 4188655dc3d2SOr Gerlitz 4189655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4190655dc3d2SOr Gerlitz { 4191655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 4192655dc3d2SOr Gerlitz } 419301252a27SOr Gerlitz 4194226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 419501252a27SOr Gerlitz { 4196d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 419701252a27SOr Gerlitz 419801252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 419901252a27SOr Gerlitz } 420004de7ddaSRoi Dayan 420104de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 420204de7ddaSRoi Dayan { 420304de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 420404de7ddaSRoi Dayan 420504de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 420604de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 420704de7ddaSRoi Dayan } 4208b4a23329SRoi Dayan 4209b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4210b4a23329SRoi Dayan { 4211b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4212b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4213b4a23329SRoi Dayan reoffload_flows_work); 4214b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4215b4a23329SRoi Dayan 4216ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4217b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4218b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4219ad86755bSVlad Buslov unready_flow_del(flow); 4220b4a23329SRoi Dayan } 4221ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4222b4a23329SRoi Dayan } 4223