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, 77226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 78226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 79226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 80226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 81226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 82226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 83226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 84c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 8565ba8fb7SOr Gerlitz }; 8665ba8fb7SOr Gerlitz 87e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 88e4ad91f2SChris Mi 8979baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 9079baaec7SEli Britstein * Containing struct 9179baaec7SEli Britstein * |- Helper array 9279baaec7SEli Britstein * [0] Helper item 0 9379baaec7SEli Britstein * |- list_head item 0 9479baaec7SEli Britstein * |- index (0) 9579baaec7SEli Britstein * [1] Helper item 1 9679baaec7SEli Britstein * |- list_head item 1 9779baaec7SEli Britstein * |- index (1) 9879baaec7SEli Britstein * To access the containing struct from one of the list_head items: 9979baaec7SEli Britstein * 1. Get the helper item from the list_head item using 10079baaec7SEli Britstein * helper item = 10179baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 10279baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 10379baaec7SEli Britstein * containing struct = 10479baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 10579baaec7SEli Britstein */ 10679baaec7SEli Britstein struct encap_flow_item { 107948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 10879baaec7SEli Britstein struct list_head list; 10979baaec7SEli Britstein int index; 11079baaec7SEli Britstein }; 11179baaec7SEli Britstein 112e8f887acSAmir Vadai struct mlx5e_tc_flow { 113e8f887acSAmir Vadai struct rhash_head node; 114655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 115e8f887acSAmir Vadai u64 cookie; 116226f2ca3SVlad Buslov unsigned long flags; 117e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11879baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 11979baaec7SEli Britstein * The number of encaps is bounded by the number of supported 12079baaec7SEli Britstein * destinations. 12179baaec7SEli Britstein */ 12279baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 12304de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 124dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh; /* attached mod header instance */ 12511c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 126e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1275c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 12804de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 129b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1302a1f1768SVlad Buslov int tmp_efi_index; 1316a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1325a7e5bcbSVlad Buslov refcount_t refcnt; 133c5d326b2SVlad Buslov struct rcu_head rcu_head; 13495435ad7SVlad Buslov struct completion init_done; 1353bc4b7bfSOr Gerlitz union { 136ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1373bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1383bc4b7bfSOr Gerlitz }; 139e8f887acSAmir Vadai }; 140e8f887acSAmir Vadai 14117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1421f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 143d11afc26SOz Shlomo struct net_device *filter_dev; 14417091853SOr Gerlitz struct mlx5_flow_spec spec; 145d79b6df6SOr Gerlitz int num_mod_hdr_actions; 146218d05ceSTonghao Zhang int max_mod_hdr_actions; 147d79b6df6SOr Gerlitz void *mod_hdr_actions; 14898b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 14917091853SOr Gerlitz }; 15017091853SOr Gerlitz 151acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 152b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 153e8f887acSAmir Vadai 15477ab67b7SOr Gerlitz struct mlx5e_hairpin { 15577ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 15677ab67b7SOr Gerlitz 15777ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1583f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 15977ab67b7SOr Gerlitz u32 tdn; 16077ab67b7SOr Gerlitz u32 tirn; 1613f6d08d1SOr Gerlitz 1623f6d08d1SOr Gerlitz int num_channels; 1633f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1643f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1653f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 16677ab67b7SOr Gerlitz }; 16777ab67b7SOr Gerlitz 1685c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1695c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1705c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1715c65c564SOr Gerlitz 17273edca73SVlad Buslov /* protects flows list */ 17373edca73SVlad Buslov spinlock_t flows_lock; 1745c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1755c65c564SOr Gerlitz struct list_head flows; 176db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 177db76ca24SVlad Buslov * function traversed them. 178db76ca24SVlad Buslov */ 179db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 1805c65c564SOr Gerlitz 181d8822868SOr Gerlitz u16 peer_vhca_id; 182106be53bSOr Gerlitz u8 prio; 1835c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 184e4f9abbdSVlad Buslov refcount_t refcnt; 185db76ca24SVlad Buslov struct completion res_ready; 1865c65c564SOr Gerlitz }; 1875c65c564SOr Gerlitz 18811c9c548SOr Gerlitz struct mod_hdr_key { 18911c9c548SOr Gerlitz int num_actions; 19011c9c548SOr Gerlitz void *actions; 19111c9c548SOr Gerlitz }; 19211c9c548SOr Gerlitz 19311c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 19411c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 19511c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 19611c9c548SOr Gerlitz 19783a52f0dSVlad Buslov /* protects flows list */ 19883a52f0dSVlad Buslov spinlock_t flows_lock; 19911c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 20011c9c548SOr Gerlitz struct list_head flows; 20111c9c548SOr Gerlitz 20211c9c548SOr Gerlitz struct mod_hdr_key key; 20311c9c548SOr Gerlitz 2042b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 205dd58edc3SVlad Buslov 206dd58edc3SVlad Buslov refcount_t refcnt; 207a734d007SVlad Buslov struct completion res_ready; 208a734d007SVlad Buslov int compl_result; 20911c9c548SOr Gerlitz }; 21011c9c548SOr Gerlitz 21111c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 21211c9c548SOr Gerlitz 2135a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2145a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 2155a7e5bcbSVlad Buslov 2165a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 2175a7e5bcbSVlad Buslov { 2185a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 2195a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 2205a7e5bcbSVlad Buslov return flow; 2215a7e5bcbSVlad Buslov } 2225a7e5bcbSVlad Buslov 2235a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 2245a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 2255a7e5bcbSVlad Buslov { 2265a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 2275a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 228c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 2295a7e5bcbSVlad Buslov } 2305a7e5bcbSVlad Buslov } 2315a7e5bcbSVlad Buslov 232226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 233226f2ca3SVlad Buslov { 234226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 235226f2ca3SVlad Buslov smp_mb__before_atomic(); 236226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 237226f2ca3SVlad Buslov } 238226f2ca3SVlad Buslov 239226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 240226f2ca3SVlad Buslov 241c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 242c5d326b2SVlad Buslov unsigned long flag) 243c5d326b2SVlad Buslov { 244c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 245c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 246c5d326b2SVlad Buslov } 247c5d326b2SVlad Buslov 248c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 249c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 250c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 251c5d326b2SVlad Buslov 252226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 253226f2ca3SVlad Buslov { 254226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 255226f2ca3SVlad Buslov smp_mb__before_atomic(); 256226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 257226f2ca3SVlad Buslov } 258226f2ca3SVlad Buslov 259226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 260226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 261226f2ca3SVlad Buslov 262226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 263226f2ca3SVlad Buslov { 264226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 265226f2ca3SVlad Buslov 266226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 267226f2ca3SVlad Buslov smp_mb__after_atomic(); 268226f2ca3SVlad Buslov return ret; 269226f2ca3SVlad Buslov } 270226f2ca3SVlad Buslov 271226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 272226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 273226f2ca3SVlad Buslov 274226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 275226f2ca3SVlad Buslov { 276226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 277226f2ca3SVlad Buslov } 278226f2ca3SVlad Buslov 279226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 280226f2ca3SVlad Buslov { 281226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 282226f2ca3SVlad Buslov } 283226f2ca3SVlad Buslov 28411c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 28511c9c548SOr Gerlitz { 28611c9c548SOr Gerlitz return jhash(key->actions, 28711c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 28811c9c548SOr Gerlitz } 28911c9c548SOr Gerlitz 29011c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 29111c9c548SOr Gerlitz struct mod_hdr_key *b) 29211c9c548SOr Gerlitz { 29311c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 29411c9c548SOr Gerlitz return 1; 29511c9c548SOr Gerlitz 29611c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 29711c9c548SOr Gerlitz } 29811c9c548SOr Gerlitz 299dd58edc3SVlad Buslov static struct mod_hdr_tbl * 300dd58edc3SVlad Buslov get_mod_hdr_table(struct mlx5e_priv *priv, int namespace) 301dd58edc3SVlad Buslov { 302dd58edc3SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 303dd58edc3SVlad Buslov 304dd58edc3SVlad Buslov return namespace == MLX5_FLOW_NAMESPACE_FDB ? &esw->offloads.mod_hdr : 305dd58edc3SVlad Buslov &priv->fs.tc.mod_hdr; 306dd58edc3SVlad Buslov } 307dd58edc3SVlad Buslov 308dd58edc3SVlad Buslov static struct mlx5e_mod_hdr_entry * 309dd58edc3SVlad Buslov mlx5e_mod_hdr_get(struct mod_hdr_tbl *tbl, struct mod_hdr_key *key, u32 hash_key) 310dd58edc3SVlad Buslov { 311dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh, *found = NULL; 312dd58edc3SVlad Buslov 313dd58edc3SVlad Buslov hash_for_each_possible(tbl->hlist, mh, mod_hdr_hlist, hash_key) { 314dd58edc3SVlad Buslov if (!cmp_mod_hdr_info(&mh->key, key)) { 315dd58edc3SVlad Buslov refcount_inc(&mh->refcnt); 316dd58edc3SVlad Buslov found = mh; 317dd58edc3SVlad Buslov break; 318dd58edc3SVlad Buslov } 319dd58edc3SVlad Buslov } 320dd58edc3SVlad Buslov 321dd58edc3SVlad Buslov return found; 322dd58edc3SVlad Buslov } 323dd58edc3SVlad Buslov 324dd58edc3SVlad Buslov static void mlx5e_mod_hdr_put(struct mlx5e_priv *priv, 325d2faae25SVlad Buslov struct mlx5e_mod_hdr_entry *mh, 326d2faae25SVlad Buslov int namespace) 327dd58edc3SVlad Buslov { 328d2faae25SVlad Buslov struct mod_hdr_tbl *tbl = get_mod_hdr_table(priv, namespace); 329d2faae25SVlad Buslov 330d2faae25SVlad Buslov if (!refcount_dec_and_mutex_lock(&mh->refcnt, &tbl->lock)) 331dd58edc3SVlad Buslov return; 332d2faae25SVlad Buslov hash_del(&mh->mod_hdr_hlist); 333d2faae25SVlad Buslov mutex_unlock(&tbl->lock); 334dd58edc3SVlad Buslov 335dd58edc3SVlad Buslov WARN_ON(!list_empty(&mh->flows)); 336a734d007SVlad Buslov if (mh->compl_result > 0) 3372b688ea5SMaor Gottlieb mlx5_modify_header_dealloc(priv->mdev, mh->modify_hdr); 338d2faae25SVlad Buslov 339dd58edc3SVlad Buslov kfree(mh); 340dd58edc3SVlad Buslov } 341dd58edc3SVlad Buslov 342d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 343d2faae25SVlad Buslov { 344d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 345d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 346d2faae25SVlad Buslov } 34711c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 34811c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 34911c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 35011c9c548SOr Gerlitz { 35111c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 35211c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 353dd58edc3SVlad Buslov struct mod_hdr_tbl *tbl; 35411c9c548SOr Gerlitz struct mod_hdr_key key; 35511c9c548SOr Gerlitz u32 hash_key; 35611c9c548SOr Gerlitz 35711c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 35811c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 35911c9c548SOr Gerlitz 36011c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 36111c9c548SOr Gerlitz key.num_actions = num_actions; 36211c9c548SOr Gerlitz 36311c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 36411c9c548SOr Gerlitz 365d2faae25SVlad Buslov namespace = get_flow_name_space(flow); 366dd58edc3SVlad Buslov tbl = get_mod_hdr_table(priv, namespace); 36711c9c548SOr Gerlitz 368d2faae25SVlad Buslov mutex_lock(&tbl->lock); 369dd58edc3SVlad Buslov mh = mlx5e_mod_hdr_get(tbl, &key, hash_key); 370a734d007SVlad Buslov if (mh) { 371a734d007SVlad Buslov mutex_unlock(&tbl->lock); 372a734d007SVlad Buslov wait_for_completion(&mh->res_ready); 373a734d007SVlad Buslov 374a734d007SVlad Buslov if (mh->compl_result < 0) { 375a734d007SVlad Buslov err = -EREMOTEIO; 376a734d007SVlad Buslov goto attach_header_err; 377a734d007SVlad Buslov } 37811c9c548SOr Gerlitz goto attach_flow; 379a734d007SVlad Buslov } 38011c9c548SOr Gerlitz 38111c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 382d2faae25SVlad Buslov if (!mh) { 383a734d007SVlad Buslov mutex_unlock(&tbl->lock); 384a734d007SVlad Buslov return -ENOMEM; 385d2faae25SVlad Buslov } 38611c9c548SOr Gerlitz 38711c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 38811c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 38911c9c548SOr Gerlitz mh->key.num_actions = num_actions; 39083a52f0dSVlad Buslov spin_lock_init(&mh->flows_lock); 39111c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 392dd58edc3SVlad Buslov refcount_set(&mh->refcnt, 1); 393a734d007SVlad Buslov init_completion(&mh->res_ready); 394a734d007SVlad Buslov 395a734d007SVlad Buslov hash_add(tbl->hlist, &mh->mod_hdr_hlist, hash_key); 396a734d007SVlad Buslov mutex_unlock(&tbl->lock); 39711c9c548SOr Gerlitz 3982b688ea5SMaor Gottlieb mh->modify_hdr = mlx5_modify_header_alloc(priv->mdev, namespace, 39911c9c548SOr Gerlitz mh->key.num_actions, 4002b688ea5SMaor Gottlieb mh->key.actions); 4012b688ea5SMaor Gottlieb if (IS_ERR(mh->modify_hdr)) { 4022b688ea5SMaor Gottlieb err = PTR_ERR(mh->modify_hdr); 403a734d007SVlad Buslov mh->compl_result = err; 404a734d007SVlad Buslov goto alloc_header_err; 405a734d007SVlad Buslov } 406a734d007SVlad Buslov mh->compl_result = 1; 407a734d007SVlad Buslov complete_all(&mh->res_ready); 40811c9c548SOr Gerlitz 40911c9c548SOr Gerlitz attach_flow: 410dd58edc3SVlad Buslov flow->mh = mh; 41183a52f0dSVlad Buslov spin_lock(&mh->flows_lock); 41211c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 41383a52f0dSVlad Buslov spin_unlock(&mh->flows_lock); 414d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 4152b688ea5SMaor Gottlieb flow->esw_attr->modify_hdr = mh->modify_hdr; 41611c9c548SOr Gerlitz else 4172b688ea5SMaor Gottlieb flow->nic_attr->modify_hdr = mh->modify_hdr; 41811c9c548SOr Gerlitz 41911c9c548SOr Gerlitz return 0; 42011c9c548SOr Gerlitz 421a734d007SVlad Buslov alloc_header_err: 422a734d007SVlad Buslov complete_all(&mh->res_ready); 423a734d007SVlad Buslov attach_header_err: 424a734d007SVlad Buslov mlx5e_mod_hdr_put(priv, mh, namespace); 42511c9c548SOr Gerlitz return err; 42611c9c548SOr Gerlitz } 42711c9c548SOr Gerlitz 42811c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 42911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 43011c9c548SOr Gerlitz { 4315a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 432dd58edc3SVlad Buslov if (!flow->mh) 4335a7e5bcbSVlad Buslov return; 4345a7e5bcbSVlad Buslov 43583a52f0dSVlad Buslov spin_lock(&flow->mh->flows_lock); 43611c9c548SOr Gerlitz list_del(&flow->mod_hdr); 43783a52f0dSVlad Buslov spin_unlock(&flow->mh->flows_lock); 43811c9c548SOr Gerlitz 439d2faae25SVlad Buslov mlx5e_mod_hdr_put(priv, flow->mh, get_flow_name_space(flow)); 440dd58edc3SVlad Buslov flow->mh = NULL; 44111c9c548SOr Gerlitz } 44211c9c548SOr Gerlitz 44377ab67b7SOr Gerlitz static 44477ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 44577ab67b7SOr Gerlitz { 44677ab67b7SOr Gerlitz struct net_device *netdev; 44777ab67b7SOr Gerlitz struct mlx5e_priv *priv; 44877ab67b7SOr Gerlitz 44977ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 45077ab67b7SOr Gerlitz priv = netdev_priv(netdev); 45177ab67b7SOr Gerlitz return priv->mdev; 45277ab67b7SOr Gerlitz } 45377ab67b7SOr Gerlitz 45477ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 45577ab67b7SOr Gerlitz { 45677ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 45777ab67b7SOr Gerlitz void *tirc; 45877ab67b7SOr Gerlitz int err; 45977ab67b7SOr Gerlitz 46077ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 46177ab67b7SOr Gerlitz if (err) 46277ab67b7SOr Gerlitz goto alloc_tdn_err; 46377ab67b7SOr Gerlitz 46477ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 46577ab67b7SOr Gerlitz 46677ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 467ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 46877ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 46977ab67b7SOr Gerlitz 47077ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 47177ab67b7SOr Gerlitz if (err) 47277ab67b7SOr Gerlitz goto create_tir_err; 47377ab67b7SOr Gerlitz 47477ab67b7SOr Gerlitz return 0; 47577ab67b7SOr Gerlitz 47677ab67b7SOr Gerlitz create_tir_err: 47777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 47877ab67b7SOr Gerlitz alloc_tdn_err: 47977ab67b7SOr Gerlitz return err; 48077ab67b7SOr Gerlitz } 48177ab67b7SOr Gerlitz 48277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 48377ab67b7SOr Gerlitz { 48477ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 48577ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 48677ab67b7SOr Gerlitz } 48777ab67b7SOr Gerlitz 4883f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 4893f6d08d1SOr Gerlitz { 4903f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 4913f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4923f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 4933f6d08d1SOr Gerlitz 4943f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 4953f6d08d1SOr Gerlitz hp->num_channels); 4963f6d08d1SOr Gerlitz 4973f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 4983f6d08d1SOr Gerlitz ix = i; 499bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 5003f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 5013f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 5023f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 5033f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5043f6d08d1SOr Gerlitz } 5053f6d08d1SOr Gerlitz } 5063f6d08d1SOr Gerlitz 5073f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5083f6d08d1SOr Gerlitz { 5093f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 5103f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5113f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5123f6d08d1SOr Gerlitz void *rqtc; 5133f6d08d1SOr Gerlitz u32 *in; 5143f6d08d1SOr Gerlitz 5153f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5163f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5173f6d08d1SOr Gerlitz if (!in) 5183f6d08d1SOr Gerlitz return -ENOMEM; 5193f6d08d1SOr Gerlitz 5203f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5213f6d08d1SOr Gerlitz 5223f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5233f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5243f6d08d1SOr Gerlitz 5253f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5263f6d08d1SOr Gerlitz 5273f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5283f6d08d1SOr Gerlitz if (!err) 5293f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5303f6d08d1SOr Gerlitz 5313f6d08d1SOr Gerlitz kvfree(in); 5323f6d08d1SOr Gerlitz return err; 5333f6d08d1SOr Gerlitz } 5343f6d08d1SOr Gerlitz 5353f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5363f6d08d1SOr Gerlitz { 5373f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5383f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5393f6d08d1SOr Gerlitz int tt, i, err; 5403f6d08d1SOr Gerlitz void *tirc; 5413f6d08d1SOr Gerlitz 5423f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 543d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 544d930ac79SAya Levin 5453f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5463f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5473f6d08d1SOr Gerlitz 5483f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5493f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5503f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 551bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 552bbeb53b8SAya Levin 5533f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 5543f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 5553f6d08d1SOr Gerlitz if (err) { 5563f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5573f6d08d1SOr Gerlitz goto err_destroy_tirs; 5583f6d08d1SOr Gerlitz } 5593f6d08d1SOr Gerlitz } 5603f6d08d1SOr Gerlitz return 0; 5613f6d08d1SOr Gerlitz 5623f6d08d1SOr Gerlitz err_destroy_tirs: 5633f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 5643f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 5653f6d08d1SOr Gerlitz return err; 5663f6d08d1SOr Gerlitz } 5673f6d08d1SOr Gerlitz 5683f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5693f6d08d1SOr Gerlitz { 5703f6d08d1SOr Gerlitz int tt; 5713f6d08d1SOr Gerlitz 5723f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5733f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 5743f6d08d1SOr Gerlitz } 5753f6d08d1SOr Gerlitz 5763f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5773f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5783f6d08d1SOr Gerlitz { 5793f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5803f6d08d1SOr Gerlitz int tt; 5813f6d08d1SOr Gerlitz 5823f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5833f6d08d1SOr Gerlitz 5843f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 5853f6d08d1SOr Gerlitz 5863f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5873f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 5883f6d08d1SOr Gerlitz 5893f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 5903f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 5913f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 5923f6d08d1SOr Gerlitz } 5933f6d08d1SOr Gerlitz 5943f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 5953f6d08d1SOr Gerlitz { 5963f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5973f6d08d1SOr Gerlitz struct ttc_params ttc_params; 5983f6d08d1SOr Gerlitz int err; 5993f6d08d1SOr Gerlitz 6003f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6013f6d08d1SOr Gerlitz if (err) 6023f6d08d1SOr Gerlitz return err; 6033f6d08d1SOr Gerlitz 6043f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6053f6d08d1SOr Gerlitz if (err) 6063f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6073f6d08d1SOr Gerlitz 6083f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6093f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6103f6d08d1SOr Gerlitz if (err) 6113f6d08d1SOr Gerlitz goto err_create_ttc_table; 6123f6d08d1SOr Gerlitz 6133f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6143f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6153f6d08d1SOr Gerlitz 6163f6d08d1SOr Gerlitz return 0; 6173f6d08d1SOr Gerlitz 6183f6d08d1SOr Gerlitz err_create_ttc_table: 6193f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6203f6d08d1SOr Gerlitz err_create_indirect_tirs: 6213f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6223f6d08d1SOr Gerlitz 6233f6d08d1SOr Gerlitz return err; 6243f6d08d1SOr Gerlitz } 6253f6d08d1SOr Gerlitz 6263f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6273f6d08d1SOr Gerlitz { 6283f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6293f6d08d1SOr Gerlitz 6303f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6313f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6323f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6333f6d08d1SOr Gerlitz } 6343f6d08d1SOr Gerlitz 63577ab67b7SOr Gerlitz static struct mlx5e_hairpin * 63677ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 63777ab67b7SOr Gerlitz int peer_ifindex) 63877ab67b7SOr Gerlitz { 63977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 64077ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 64177ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 64277ab67b7SOr Gerlitz int err; 64377ab67b7SOr Gerlitz 64477ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 64577ab67b7SOr Gerlitz if (!hp) 64677ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 64777ab67b7SOr Gerlitz 64877ab67b7SOr Gerlitz func_mdev = priv->mdev; 64977ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 65077ab67b7SOr Gerlitz 65177ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 65277ab67b7SOr Gerlitz if (IS_ERR(pair)) { 65377ab67b7SOr Gerlitz err = PTR_ERR(pair); 65477ab67b7SOr Gerlitz goto create_pair_err; 65577ab67b7SOr Gerlitz } 65677ab67b7SOr Gerlitz hp->pair = pair; 65777ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6583f6d08d1SOr Gerlitz hp->func_priv = priv; 6593f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 66077ab67b7SOr Gerlitz 66177ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 66277ab67b7SOr Gerlitz if (err) 66377ab67b7SOr Gerlitz goto create_transport_err; 66477ab67b7SOr Gerlitz 6653f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6663f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6673f6d08d1SOr Gerlitz if (err) 6683f6d08d1SOr Gerlitz goto rss_init_err; 6693f6d08d1SOr Gerlitz } 6703f6d08d1SOr Gerlitz 67177ab67b7SOr Gerlitz return hp; 67277ab67b7SOr Gerlitz 6733f6d08d1SOr Gerlitz rss_init_err: 6743f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 67577ab67b7SOr Gerlitz create_transport_err: 67677ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 67777ab67b7SOr Gerlitz create_pair_err: 67877ab67b7SOr Gerlitz kfree(hp); 67977ab67b7SOr Gerlitz return ERR_PTR(err); 68077ab67b7SOr Gerlitz } 68177ab67b7SOr Gerlitz 68277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 68377ab67b7SOr Gerlitz { 6843f6d08d1SOr Gerlitz if (hp->num_channels > 1) 6853f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 68677ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 68777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 68877ab67b7SOr Gerlitz kvfree(hp); 68977ab67b7SOr Gerlitz } 69077ab67b7SOr Gerlitz 691106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 692106be53bSOr Gerlitz { 693106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 694106be53bSOr Gerlitz } 695106be53bSOr Gerlitz 6965c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 697106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 6985c65c564SOr Gerlitz { 6995c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 700106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7015c65c564SOr Gerlitz 7025c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 703106be53bSOr Gerlitz hairpin_hlist, hash_key) { 704e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 705e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7065c65c564SOr Gerlitz return hpe; 7075c65c564SOr Gerlitz } 708e4f9abbdSVlad Buslov } 7095c65c564SOr Gerlitz 7105c65c564SOr Gerlitz return NULL; 7115c65c564SOr Gerlitz } 7125c65c564SOr Gerlitz 713e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 714e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 715e4f9abbdSVlad Buslov { 716e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 717b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 718e4f9abbdSVlad Buslov return; 719b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 720b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 721e4f9abbdSVlad Buslov 722db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 723e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 724e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 725e4f9abbdSVlad Buslov 726e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 727db76ca24SVlad Buslov } 728db76ca24SVlad Buslov 729db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 730e4f9abbdSVlad Buslov kfree(hpe); 731e4f9abbdSVlad Buslov } 732e4f9abbdSVlad Buslov 733106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 734106be53bSOr Gerlitz 735106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 736e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 737e98bedf5SEli Britstein struct netlink_ext_ack *extack) 738106be53bSOr Gerlitz { 739106be53bSOr Gerlitz void *headers_c, *headers_v; 740106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 741106be53bSOr Gerlitz bool vlan_present; 742106be53bSOr Gerlitz 743106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 744106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 745e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 746e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 747106be53bSOr Gerlitz return -EOPNOTSUPP; 748106be53bSOr Gerlitz } 749106be53bSOr Gerlitz #endif 750106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 751106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 752106be53bSOr Gerlitz 753106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 754106be53bSOr Gerlitz if (vlan_present) { 755106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 756106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 757106be53bSOr Gerlitz } 758106be53bSOr Gerlitz 759106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 760106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 761106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 762e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 763e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 764106be53bSOr Gerlitz return -EOPNOTSUPP; 765106be53bSOr Gerlitz } 766106be53bSOr Gerlitz 767106be53bSOr Gerlitz *match_prio = prio_val; 768106be53bSOr Gerlitz return 0; 769106be53bSOr Gerlitz } 770106be53bSOr Gerlitz 7715c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7725c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 773e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 774e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7755c65c564SOr Gerlitz { 77698b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7775c65c564SOr Gerlitz struct mlx5_hairpin_params params; 778d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7795c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7805c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7813f6d08d1SOr Gerlitz u64 link_speed64; 7823f6d08d1SOr Gerlitz u32 link_speed; 783106be53bSOr Gerlitz u8 match_prio; 784d8822868SOr Gerlitz u16 peer_id; 7855c65c564SOr Gerlitz int err; 7865c65c564SOr Gerlitz 787d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 788d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 789e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 7905c65c564SOr Gerlitz return -EOPNOTSUPP; 7915c65c564SOr Gerlitz } 7925c65c564SOr Gerlitz 793d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 794e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 795e98bedf5SEli Britstein extack); 796106be53bSOr Gerlitz if (err) 797106be53bSOr Gerlitz return err; 798b32accdaSVlad Buslov 799b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 800106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 801db76ca24SVlad Buslov if (hpe) { 802db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 803db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 804db76ca24SVlad Buslov 805db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 806db76ca24SVlad Buslov err = -EREMOTEIO; 807db76ca24SVlad Buslov goto out_err; 808db76ca24SVlad Buslov } 8095c65c564SOr Gerlitz goto attach_flow; 810db76ca24SVlad Buslov } 8115c65c564SOr Gerlitz 8125c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 813b32accdaSVlad Buslov if (!hpe) { 814db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 815db76ca24SVlad Buslov return -ENOMEM; 816b32accdaSVlad Buslov } 8175c65c564SOr Gerlitz 81873edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8195c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 820db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 821d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 822106be53bSOr Gerlitz hpe->prio = match_prio; 823e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 824db76ca24SVlad Buslov init_completion(&hpe->res_ready); 825db76ca24SVlad Buslov 826db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 827db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 828db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8295c65c564SOr Gerlitz 8305c65c564SOr Gerlitz params.log_data_size = 15; 8315c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8325c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8335c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8345c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8355c65c564SOr Gerlitz 836eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 837eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 838eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 839eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 840eb9180f7SOr Gerlitz 841eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8423f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8432c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8443f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8453f6d08d1SOr Gerlitz link_speed64 = link_speed; 8463f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8473f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8483f6d08d1SOr Gerlitz 8495c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 850db76ca24SVlad Buslov hpe->hp = hp; 851db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8525c65c564SOr Gerlitz if (IS_ERR(hp)) { 8535c65c564SOr Gerlitz err = PTR_ERR(hp); 854db76ca24SVlad Buslov goto out_err; 8555c65c564SOr Gerlitz } 8565c65c564SOr Gerlitz 857eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 85827b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 85927b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 860eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8615c65c564SOr Gerlitz 8625c65c564SOr Gerlitz attach_flow: 8633f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 864226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 8653f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 8663f6d08d1SOr Gerlitz } else { 8675c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 8683f6d08d1SOr Gerlitz } 869b32accdaSVlad Buslov 870e4f9abbdSVlad Buslov flow->hpe = hpe; 87173edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8725c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 87373edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8743f6d08d1SOr Gerlitz 8755c65c564SOr Gerlitz return 0; 8765c65c564SOr Gerlitz 877db76ca24SVlad Buslov out_err: 878db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 8795c65c564SOr Gerlitz return err; 8805c65c564SOr Gerlitz } 8815c65c564SOr Gerlitz 8825c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 8835c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 8845c65c564SOr Gerlitz { 8855a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 886e4f9abbdSVlad Buslov if (!flow->hpe) 8875a7e5bcbSVlad Buslov return; 8885a7e5bcbSVlad Buslov 88973edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 8905c65c564SOr Gerlitz list_del(&flow->hairpin); 89173edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 89273edca73SVlad Buslov 893e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 894e4f9abbdSVlad Buslov flow->hpe = NULL; 8955c65c564SOr Gerlitz } 8965c65c564SOr Gerlitz 897c83954abSRabie Loulou static int 89874491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 89917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 900e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 901e98bedf5SEli Britstein struct netlink_ext_ack *extack) 902e8f887acSAmir Vadai { 903bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 904aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 905aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 9065c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 90766958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9083bc4b7bfSOr Gerlitz .action = attr->action, 909bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 91066958ed9SHadar Hen Zion }; 911aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 9125c65c564SOr Gerlitz int err, dest_ix = 0; 913e8f887acSAmir Vadai 914bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 915bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 916bb0ee7dcSJianbo Liu 917226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 918e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 9195a7e5bcbSVlad Buslov if (err) 9205a7e5bcbSVlad Buslov return err; 9215a7e5bcbSVlad Buslov 922226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 9233f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9243f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 9253f6d08d1SOr Gerlitz } else { 9265c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 9275c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 9283f6d08d1SOr Gerlitz } 9293f6d08d1SOr Gerlitz dest_ix++; 9303f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9315c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9325c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 9335c65c564SOr Gerlitz dest_ix++; 9345c65c564SOr Gerlitz } 935aad7e08dSAmir Vadai 9365c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9375c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 9385a7e5bcbSVlad Buslov if (IS_ERR(counter)) 9395a7e5bcbSVlad Buslov return PTR_ERR(counter); 9405a7e5bcbSVlad Buslov 9415c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 942171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 9435c65c564SOr Gerlitz dest_ix++; 944b8aee822SMark Bloch attr->counter = counter; 945aad7e08dSAmir Vadai } 946aad7e08dSAmir Vadai 9472f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9483099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 9492b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9502f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 951c83954abSRabie Loulou if (err) 9525a7e5bcbSVlad Buslov return err; 9532f4fe4caSOr Gerlitz } 9542f4fe4caSOr Gerlitz 955b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 956acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 95721b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 95821b9c144SOr Gerlitz u32 max_flow_counter; 95921b9c144SOr Gerlitz 96021b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 96121b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 96221b9c144SOr Gerlitz 96321b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 96421b9c144SOr Gerlitz 96521b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 96621b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 96721b9c144SOr Gerlitz 968acff797cSMaor Gottlieb priv->fs.tc.t = 969acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 970acff797cSMaor Gottlieb MLX5E_TC_PRIO, 97121b9c144SOr Gerlitz tc_tbl_size, 972acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 9733f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 974acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 975b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 976e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 977e98bedf5SEli Britstein "Failed to create tc offload table\n"); 978e8f887acSAmir Vadai netdev_err(priv->netdev, 979e8f887acSAmir Vadai "Failed to create tc offload table\n"); 9805a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 981e8f887acSAmir Vadai } 982e8f887acSAmir Vadai } 983e8f887acSAmir Vadai 98438aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 985d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 98638aa51c1SOr Gerlitz 987c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 9885c65c564SOr Gerlitz &flow_act, dest, dest_ix); 989b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 990e8f887acSAmir Vadai 9915a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 9925a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 993aad7e08dSAmir Vadai 994c83954abSRabie Loulou return 0; 995e8f887acSAmir Vadai } 996e8f887acSAmir Vadai 997d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 998d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 999d85cdccbSOr Gerlitz { 1000513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1001d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 1002d85cdccbSOr Gerlitz 1003b8aee822SMark Bloch counter = attr->counter; 10045a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1005e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1006d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1007d85cdccbSOr Gerlitz 1008b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1009226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1010d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1011d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1012d85cdccbSOr Gerlitz } 1013b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 10142f4fe4caSOr Gerlitz 1015513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10163099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 10175c65c564SOr Gerlitz 1018226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 10195c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1020d85cdccbSOr Gerlitz } 1021d85cdccbSOr Gerlitz 1022aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 10238c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1024aa0cbbaeSOr Gerlitz 10253c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1026e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1027733d4f36SRoi Dayan struct net_device *mirred_dev, 1028733d4f36SRoi Dayan int out_index, 10298c4dc42bSEli Britstein struct netlink_ext_ack *extack, 10300ad060eeSRoi Dayan struct net_device **encap_dev, 10310ad060eeSRoi Dayan bool *encap_valid); 10323c37745eSOr Gerlitz 10336d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 10346d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 10356d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10366d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 10376d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10386d2a3ed0SOr Gerlitz { 10396d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10406d2a3ed0SOr Gerlitz 10416d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 10426d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 10436d2a3ed0SOr Gerlitz return rule; 10446d2a3ed0SOr Gerlitz 1045e85e02baSEli Britstein if (attr->split_count) { 10466d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 10476d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 10486d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 10496d2a3ed0SOr Gerlitz return flow->rule[1]; 10506d2a3ed0SOr Gerlitz } 10516d2a3ed0SOr Gerlitz } 10526d2a3ed0SOr Gerlitz 10536d2a3ed0SOr Gerlitz return rule; 10546d2a3ed0SOr Gerlitz } 10556d2a3ed0SOr Gerlitz 10566d2a3ed0SOr Gerlitz static void 10576d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 10586d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10596d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10606d2a3ed0SOr Gerlitz { 1061226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 10626d2a3ed0SOr Gerlitz 1063e85e02baSEli Britstein if (attr->split_count) 10646d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 10656d2a3ed0SOr Gerlitz 10666d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 10676d2a3ed0SOr Gerlitz } 10686d2a3ed0SOr Gerlitz 10695dbe906fSPaul Blakey static struct mlx5_flow_handle * 10705dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 10715dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 10725dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 10735dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 10745dbe906fSPaul Blakey { 10755dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 10765dbe906fSPaul Blakey 10775dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 1078154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 10792be09de7SDavid S. Miller slow_attr->split_count = 0; 1080154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 10815dbe906fSPaul Blakey 10825dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 10835dbe906fSPaul Blakey if (!IS_ERR(rule)) 1084226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 10855dbe906fSPaul Blakey 10865dbe906fSPaul Blakey return rule; 10875dbe906fSPaul Blakey } 10885dbe906fSPaul Blakey 10895dbe906fSPaul Blakey static void 10905dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 10915dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 10925dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 10935dbe906fSPaul Blakey { 10945dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 1095154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 10962be09de7SDavid S. Miller slow_attr->split_count = 0; 1097154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 10985dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1099226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 11005dbe906fSPaul Blakey } 11015dbe906fSPaul Blakey 1102ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1103ad86755bSVlad Buslov * function. 1104ad86755bSVlad Buslov */ 1105ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1106ad86755bSVlad Buslov struct list_head *unready_flows) 1107ad86755bSVlad Buslov { 1108ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1109ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1110ad86755bSVlad Buslov } 1111ad86755bSVlad Buslov 1112ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1113ad86755bSVlad Buslov * function. 1114ad86755bSVlad Buslov */ 1115ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1116ad86755bSVlad Buslov { 1117ad86755bSVlad Buslov list_del(&flow->unready); 1118ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1119ad86755bSVlad Buslov } 1120ad86755bSVlad Buslov 1121b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1122b4a23329SRoi Dayan { 1123b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1124b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1125b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1126b4a23329SRoi Dayan 1127b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1128b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1129b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1130b4a23329SRoi Dayan 1131ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1132ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1133ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1134b4a23329SRoi Dayan } 1135b4a23329SRoi Dayan 1136b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1137b4a23329SRoi Dayan { 1138ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1139ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1140ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1141ad86755bSVlad Buslov 1142ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1143ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1144ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1145ad86755bSVlad Buslov 1146ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1147ad86755bSVlad Buslov unready_flow_del(flow); 1148ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1149b4a23329SRoi Dayan } 1150b4a23329SRoi Dayan 1151c83954abSRabie Loulou static int 115274491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1153e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1154e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1155adb4c123SOr Gerlitz { 1156adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1157bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 1158aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 11597040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 1160bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 11613c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1162b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 11633c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 11643c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 11650ad060eeSRoi Dayan bool encap_valid = true; 11660ad060eeSRoi Dayan int err = 0; 1167f493f155SEli Britstein int out_index; 11688b32580dSOr Gerlitz 1169d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 1170d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 1171d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1172d14f6f2aSOr Gerlitz } 1173e52c2802SPaul Blakey 1174bf07aa73SPaul Blakey if (attr->chain > max_chain) { 1175bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 11765a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1177bf07aa73SPaul Blakey } 1178bf07aa73SPaul Blakey 1179bf07aa73SPaul Blakey if (attr->prio > max_prio) { 1180bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 11815a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1182bf07aa73SPaul Blakey } 1183bf07aa73SPaul Blakey 1184f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 11858c4dc42bSEli Britstein int mirred_ifindex; 11868c4dc42bSEli Britstein 1187f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1188f493f155SEli Britstein continue; 1189f493f155SEli Britstein 11907040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 11913c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 11928c4dc42bSEli Britstein mirred_ifindex); 1193733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 11940ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 11950ad060eeSRoi Dayan if (err) 11965a7e5bcbSVlad Buslov return err; 11970ad060eeSRoi Dayan 11983c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 11993c37745eSOr Gerlitz rpriv = out_priv->ppriv; 12001cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 12011cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 12023c37745eSOr Gerlitz } 12033c37745eSOr Gerlitz 12048b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1205c83954abSRabie Loulou if (err) 12065a7e5bcbSVlad Buslov return err; 1207adb4c123SOr Gerlitz 1208d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 12091a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1210d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1211c83954abSRabie Loulou if (err) 12125a7e5bcbSVlad Buslov return err; 1213d7e75a32SOr Gerlitz } 1214d7e75a32SOr Gerlitz 1215b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1216f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 12175a7e5bcbSVlad Buslov if (IS_ERR(counter)) 12185a7e5bcbSVlad Buslov return PTR_ERR(counter); 1219b8aee822SMark Bloch 1220b8aee822SMark Bloch attr->counter = counter; 1221b8aee822SMark Bloch } 1222b8aee822SMark Bloch 12230ad060eeSRoi Dayan /* we get here if one of the following takes place: 12240ad060eeSRoi Dayan * (1) there's no error 12250ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 12263c37745eSOr Gerlitz */ 12270ad060eeSRoi Dayan if (!encap_valid) { 12285dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 12295dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 12305dbe906fSPaul Blakey 12315dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 12325dbe906fSPaul Blakey } else { 12336d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 12345dbe906fSPaul Blakey } 12355dbe906fSPaul Blakey 12365a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 12375a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1238226f2ca3SVlad Buslov else 1239226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1240c83954abSRabie Loulou 12415dbe906fSPaul Blakey return 0; 1242aa0cbbaeSOr Gerlitz } 1243d85cdccbSOr Gerlitz 12449272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 12459272e3dfSYevgeny Kliteynik { 12469272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 12479272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 12489272e3dfSYevgeny Kliteynik spec->match_value, 12499272e3dfSYevgeny Kliteynik misc_parameters_3); 12509272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 12519272e3dfSYevgeny Kliteynik headers_v, 12529272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 12539272e3dfSYevgeny Kliteynik 12549272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 12559272e3dfSYevgeny Kliteynik } 12569272e3dfSYevgeny Kliteynik 1257d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1258d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1259d85cdccbSOr Gerlitz { 1260d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1261d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 12625dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1263f493f155SEli Britstein int out_index; 1264d85cdccbSOr Gerlitz 1265226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1266b4a23329SRoi Dayan remove_unready_flow(flow); 1267ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1268ef06c9eeSRoi Dayan return; 1269ef06c9eeSRoi Dayan } 1270ef06c9eeSRoi Dayan 1271226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1272226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 12735dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 12745dbe906fSPaul Blakey else 12755dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 12765dbe906fSPaul Blakey } 1277d85cdccbSOr Gerlitz 12789272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 12799272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 12809272e3dfSYevgeny Kliteynik 1281513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1282d85cdccbSOr Gerlitz 1283f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 12848c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 12858c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1286f493f155SEli Britstein kvfree(attr->parse_attr); 1287d7e75a32SOr Gerlitz 1288513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 12891a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1290b8aee822SMark Bloch 1291b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1292f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1293d85cdccbSOr Gerlitz } 1294d85cdccbSOr Gerlitz 1295232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 12962a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 12972a1f1768SVlad Buslov struct list_head *flow_list) 1298232c0013SHadar Hen Zion { 12993c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13005dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 13016d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 13026d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1303232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1304232c0013SHadar Hen Zion int err; 1305232c0013SHadar Hen Zion 13062b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 130754c177caSOz Shlomo e->reformat_type, 1308232c0013SHadar Hen Zion e->encap_size, e->encap_header, 13092b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 13102b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 13112b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 13122b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1313232c0013SHadar Hen Zion return; 1314232c0013SHadar Hen Zion } 1315232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1316f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1317232c0013SHadar Hen Zion 13182a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 13198c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 13208c4dc42bSEli Britstein int i; 13218c4dc42bSEli Britstein 132295435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 132395435ad7SVlad Buslov continue; 13243c37745eSOr Gerlitz esw_attr = flow->esw_attr; 13256d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 13266d2a3ed0SOr Gerlitz 13272b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 13282a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 13298c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 13308c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 13318c4dc42bSEli Britstein * a valid neighbour. 13328c4dc42bSEli Britstein */ 13338c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 13348c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 13358c4dc42bSEli Britstein continue; 13368c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 13378c4dc42bSEli Britstein all_flow_encaps_valid = false; 13388c4dc42bSEli Britstein break; 13398c4dc42bSEli Britstein } 13408c4dc42bSEli Britstein } 13418c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 13428c4dc42bSEli Britstein if (!all_flow_encaps_valid) 13432a1f1768SVlad Buslov continue; 13445dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 13456d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 13466d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 13476d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1348232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1349232c0013SHadar Hen Zion err); 13502a1f1768SVlad Buslov continue; 1351232c0013SHadar Hen Zion } 13525dbe906fSPaul Blakey 13535dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 13546d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1355226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1356226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1357232c0013SHadar Hen Zion } 1358232c0013SHadar Hen Zion } 1359232c0013SHadar Hen Zion 1360232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 13612a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13622a1f1768SVlad Buslov struct list_head *flow_list) 1363232c0013SHadar Hen Zion { 13643c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13655dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 13665dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 13675dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1368232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 13695dbe906fSPaul Blakey int err; 1370232c0013SHadar Hen Zion 13712a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 137295435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 137395435ad7SVlad Buslov continue; 13745dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 13755dbe906fSPaul Blakey 13765dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 13775dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 13788c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 13792a1f1768SVlad Buslov flow->esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 13805dbe906fSPaul Blakey 13815dbe906fSPaul Blakey if (IS_ERR(rule)) { 13825dbe906fSPaul Blakey err = PTR_ERR(rule); 13835dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 13845dbe906fSPaul Blakey err); 13852a1f1768SVlad Buslov continue; 13865dbe906fSPaul Blakey } 13875dbe906fSPaul Blakey 13886d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 13895dbe906fSPaul Blakey flow->rule[0] = rule; 1390226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1391226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1392232c0013SHadar Hen Zion } 1393232c0013SHadar Hen Zion 139461c806daSOr Gerlitz /* we know that the encap is valid */ 1395232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 13962b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1397232c0013SHadar Hen Zion } 1398232c0013SHadar Hen Zion 1399b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1400b8aee822SMark Bloch { 1401226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1402b8aee822SMark Bloch return flow->esw_attr->counter; 1403b8aee822SMark Bloch else 1404b8aee822SMark Bloch return flow->nic_attr->counter; 1405b8aee822SMark Bloch } 1406b8aee822SMark Bloch 14072a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 14082a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 14092a1f1768SVlad Buslov */ 14102a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 14112a1f1768SVlad Buslov { 14122a1f1768SVlad Buslov struct encap_flow_item *efi; 14132a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 14142a1f1768SVlad Buslov 14152a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 14162a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 14172a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 14182a1f1768SVlad Buslov continue; 141995435ad7SVlad Buslov wait_for_completion(&flow->init_done); 14202a1f1768SVlad Buslov 14212a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 14222a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 14232a1f1768SVlad Buslov } 14242a1f1768SVlad Buslov } 14252a1f1768SVlad Buslov 14266a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 14272a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 14286a06c2f7SVlad Buslov { 14296a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 14306a06c2f7SVlad Buslov 14316a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 14326a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 14336a06c2f7SVlad Buslov } 14346a06c2f7SVlad Buslov 1435ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1436ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1437ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1438ac0d9176SVlad Buslov { 1439ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1440ac0d9176SVlad Buslov 1441ac0d9176SVlad Buslov retry: 1442ac0d9176SVlad Buslov rcu_read_lock(); 1443ac0d9176SVlad Buslov 1444ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1445ac0d9176SVlad Buslov for (next = e ? 1446ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1447ac0d9176SVlad Buslov &e->encap_list, 1448ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1449ac0d9176SVlad Buslov encap_list) : 1450ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1451ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1452ac0d9176SVlad Buslov encap_list); 1453ac0d9176SVlad Buslov next; 1454ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1455ac0d9176SVlad Buslov &next->encap_list, 1456ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1457ac0d9176SVlad Buslov encap_list)) 1458ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1459ac0d9176SVlad Buslov break; 1460ac0d9176SVlad Buslov 1461ac0d9176SVlad Buslov rcu_read_unlock(); 1462ac0d9176SVlad Buslov 1463ac0d9176SVlad Buslov /* release starting encap */ 1464ac0d9176SVlad Buslov if (e) 1465ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1466ac0d9176SVlad Buslov if (!next) 1467ac0d9176SVlad Buslov return next; 1468ac0d9176SVlad Buslov 1469ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1470ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1471ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1472ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1473ac0d9176SVlad Buslov e = next; 1474ac0d9176SVlad Buslov goto retry; 1475ac0d9176SVlad Buslov } 1476ac0d9176SVlad Buslov 1477ac0d9176SVlad Buslov return next; 1478ac0d9176SVlad Buslov } 1479ac0d9176SVlad Buslov 1480f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1481f6dfb4c3SHadar Hen Zion { 1482f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1483ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1484f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1485f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1486f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1487f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1488f6dfb4c3SHadar Hen Zion struct neighbour *n; 148990bb7692SAriel Levkovich u64 lastuse; 1490f6dfb4c3SHadar Hen Zion 1491f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1492f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1493f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1494f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1495423c9db2SOr Gerlitz tbl = &nd_tbl; 1496f6dfb4c3SHadar Hen Zion #endif 1497f6dfb4c3SHadar Hen Zion else 1498f6dfb4c3SHadar Hen Zion return; 1499f6dfb4c3SHadar Hen Zion 1500ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1501ac0d9176SVlad Buslov * next one. 1502ac0d9176SVlad Buslov */ 1503ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 15046a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 15055a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 15066a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 15076a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1508948993f2SVlad Buslov 15096a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 15106a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 15115a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 151279baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 151379baaec7SEli Britstein encaps[efi->index]); 15145a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15155a7e5bcbSVlad Buslov continue; 15166a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 15175a7e5bcbSVlad Buslov 1518226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1519b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 152090bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1521f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1522f6dfb4c3SHadar Hen Zion neigh_used = true; 1523f6dfb4c3SHadar Hen Zion break; 1524f6dfb4c3SHadar Hen Zion } 1525f6dfb4c3SHadar Hen Zion } 1526f6dfb4c3SHadar Hen Zion } 15276a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1528948993f2SVlad Buslov 15296a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1530ac0d9176SVlad Buslov if (neigh_used) { 1531ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 15326a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1533e36d4810SRoi Dayan break; 1534f6dfb4c3SHadar Hen Zion } 1535ac0d9176SVlad Buslov } 1536f6dfb4c3SHadar Hen Zion 1537c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1538c786fe59SVlad Buslov 1539f6dfb4c3SHadar Hen Zion if (neigh_used) { 1540f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1541f6dfb4c3SHadar Hen Zion 1542f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1543f6dfb4c3SHadar Hen Zion * dst ip pair 1544f6dfb4c3SHadar Hen Zion */ 1545f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1546c7f7ba8dSRoi Dayan if (!n) 1547f6dfb4c3SHadar Hen Zion return; 1548f6dfb4c3SHadar Hen Zion 1549f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1550f6dfb4c3SHadar Hen Zion neigh_release(n); 1551f6dfb4c3SHadar Hen Zion } 1552f6dfb4c3SHadar Hen Zion } 1553f6dfb4c3SHadar Hen Zion 155461086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1555d85cdccbSOr Gerlitz { 1556948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 15573c140dd5SVlad Buslov 15583c140dd5SVlad Buslov if (e->compl_result > 0) { 1559232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1560232c0013SHadar Hen Zion 1561232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 15622b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 15633c140dd5SVlad Buslov } 1564232c0013SHadar Hen Zion 1565232c0013SHadar Hen Zion kfree(e->encap_header); 1566ac0d9176SVlad Buslov kfree_rcu(e, rcu); 15675067b602SRoi Dayan } 1568948993f2SVlad Buslov 156961086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 157061086f39SVlad Buslov { 157161086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 157261086f39SVlad Buslov 157361086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 157461086f39SVlad Buslov return; 157561086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 157661086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 157761086f39SVlad Buslov 157861086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 157961086f39SVlad Buslov } 158061086f39SVlad Buslov 1581948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1582948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1583948993f2SVlad Buslov { 158461086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 158561086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 158661086f39SVlad Buslov 1587948993f2SVlad Buslov /* flow wasn't fully initialized */ 158861086f39SVlad Buslov if (!e) 1589948993f2SVlad Buslov return; 1590948993f2SVlad Buslov 159161086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1592948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1593948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 159461086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 159561086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 159661086f39SVlad Buslov return; 159761086f39SVlad Buslov } 159861086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 159961086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 160061086f39SVlad Buslov 160161086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 16025067b602SRoi Dayan } 16035067b602SRoi Dayan 160404de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 160504de7ddaSRoi Dayan { 160604de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 160704de7ddaSRoi Dayan 1608226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1609226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 161004de7ddaSRoi Dayan return; 161104de7ddaSRoi Dayan 161204de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 161304de7ddaSRoi Dayan list_del(&flow->peer); 161404de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 161504de7ddaSRoi Dayan 1616226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 161704de7ddaSRoi Dayan 161804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 161904de7ddaSRoi Dayan kvfree(flow->peer_flow); 162004de7ddaSRoi Dayan flow->peer_flow = NULL; 162104de7ddaSRoi Dayan } 162204de7ddaSRoi Dayan 162304de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 162404de7ddaSRoi Dayan { 162504de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 162604de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 162704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 162804de7ddaSRoi Dayan 162904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 163004de7ddaSRoi Dayan if (!peer_esw) 163104de7ddaSRoi Dayan return; 163204de7ddaSRoi Dayan 163304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 163404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 163504de7ddaSRoi Dayan } 163604de7ddaSRoi Dayan 1637e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1638961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1639e8f887acSAmir Vadai { 1640226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 164104de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1642d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 164304de7ddaSRoi Dayan } else { 1644d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1645e8f887acSAmir Vadai } 164604de7ddaSRoi Dayan } 1647e8f887acSAmir Vadai 1648bbd00f7eSHadar Hen Zion 1649bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1650bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1651f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 16526363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1653bbd00f7eSHadar Hen Zion { 1654e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1655bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1656bbd00f7eSHadar Hen Zion outer_headers); 1657bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1658bbd00f7eSHadar Hen Zion outer_headers); 1659f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 16608f256622SPablo Neira Ayuso int err; 1661bbd00f7eSHadar Hen Zion 1662101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 16636363651dSOr Gerlitz headers_c, headers_v, match_level); 166454c177caSOz Shlomo if (err) { 166554c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 166654c177caSOz Shlomo "failed to parse tunnel attributes"); 1667101f4de9SOz Shlomo return err; 1668bbd00f7eSHadar Hen Zion } 1669bbd00f7eSHadar Hen Zion 1670d1bda7eeSTonghao Zhang if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) { 16718f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 16728f256622SPablo Neira Ayuso 16738f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1674bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1675bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 16768f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1677bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1678bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 16798f256622SPablo Neira Ayuso ntohl(match.key->src)); 1680bbd00f7eSHadar Hen Zion 1681bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1682bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 16838f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1684bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1685bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 16868f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1687bbd00f7eSHadar Hen Zion 1688bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1689bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 1690d1bda7eeSTonghao Zhang } else if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS)) { 16918f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 169219f44401SOr Gerlitz 16938f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 169419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 169519f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 16968f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 169719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 169819f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 16998f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 170019f44401SOr Gerlitz 170119f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 170219f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 17038f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 170419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 170519f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 17068f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 170719f44401SOr Gerlitz 170819f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 170919f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 17102e72eb43SOr Gerlitz } 1711bbd00f7eSHadar Hen Zion 17128f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 17138f256622SPablo Neira Ayuso struct flow_match_ip match; 1714bcef735cSOr Gerlitz 17158f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 17168f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 17178f256622SPablo Neira Ayuso match.mask->tos & 0x3); 17188f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 17198f256622SPablo Neira Ayuso match.key->tos & 0x3); 1720bcef735cSOr Gerlitz 17218f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 17228f256622SPablo Neira Ayuso match.mask->tos >> 2); 17238f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 17248f256622SPablo Neira Ayuso match.key->tos >> 2); 1725bcef735cSOr Gerlitz 17268f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 17278f256622SPablo Neira Ayuso match.mask->ttl); 17288f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 17298f256622SPablo Neira Ayuso match.key->ttl); 1730e98bedf5SEli Britstein 17318f256622SPablo Neira Ayuso if (match.mask->ttl && 1732e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1733e98bedf5SEli Britstein (priv->mdev, 1734e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1735e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1736e98bedf5SEli Britstein "Matching on TTL is not supported"); 1737e98bedf5SEli Britstein return -EOPNOTSUPP; 1738e98bedf5SEli Britstein } 1739e98bedf5SEli Britstein 1740bcef735cSOr Gerlitz } 1741bcef735cSOr Gerlitz 1742bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1743bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1744bbd00f7eSHadar Hen Zion */ 1745bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1746bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1747bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1748bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1749bbd00f7eSHadar Hen Zion 1750bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1751bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1752bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1753bbd00f7eSHadar Hen Zion 1754bbd00f7eSHadar Hen Zion return 0; 1755bbd00f7eSHadar Hen Zion } 1756bbd00f7eSHadar Hen Zion 17578377629eSEli Britstein static void *get_match_headers_criteria(u32 flags, 17588377629eSEli Britstein struct mlx5_flow_spec *spec) 17598377629eSEli Britstein { 17608377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 17618377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 17628377629eSEli Britstein inner_headers) : 17638377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 17648377629eSEli Britstein outer_headers); 17658377629eSEli Britstein } 17668377629eSEli Britstein 17678377629eSEli Britstein static void *get_match_headers_value(u32 flags, 17688377629eSEli Britstein struct mlx5_flow_spec *spec) 17698377629eSEli Britstein { 17708377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 17718377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 17728377629eSEli Britstein inner_headers) : 17738377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 17748377629eSEli Britstein outer_headers); 17758377629eSEli Britstein } 17768377629eSEli Britstein 1777de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1778de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1779f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 178054c177caSOz Shlomo struct net_device *filter_dev, 178193b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 1782e3a2b7edSAmir Vadai { 1783e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1784c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1785c5bb1730SMaor Gottlieb outer_headers); 1786c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1787c5bb1730SMaor Gottlieb outer_headers); 1788699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1789699e96ddSJianbo Liu misc_parameters); 1790699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1791699e96ddSJianbo Liu misc_parameters); 1792f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17938f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1794e3a2b7edSAmir Vadai u16 addr_type = 0; 1795e3a2b7edSAmir Vadai u8 ip_proto = 0; 179693b3586eSHuy Nguyen u8 *match_level; 1797e3a2b7edSAmir Vadai 179893b3586eSHuy Nguyen match_level = outer_match_level; 1799de0af0bfSRoi Dayan 18008f256622SPablo Neira Ayuso if (dissector->used_keys & 18013d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 18023d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1803e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1804e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1805095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1806699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1807e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1808e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1809bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1810bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1811bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1812bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1813bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1814e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1815fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1816bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 18179272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 18189272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) { 1819e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1820e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 18218f256622SPablo Neira Ayuso dissector->used_keys); 1822e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1823e3a2b7edSAmir Vadai } 1824e3a2b7edSAmir Vadai 1825075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 182693b3586eSHuy Nguyen if (parse_tunnel_attr(priv, spec, f, filter_dev, 182793b3586eSHuy Nguyen outer_match_level)) 1828bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1829bbd00f7eSHadar Hen Zion 183093b3586eSHuy Nguyen /* At this point, header pointers should point to the inner 1831bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1832bbd00f7eSHadar Hen Zion */ 183393b3586eSHuy Nguyen match_level = inner_match_level; 18348377629eSEli Britstein headers_c = get_match_headers_criteria(MLX5_FLOW_CONTEXT_ACTION_DECAP, 18358377629eSEli Britstein spec); 18368377629eSEli Britstein headers_v = get_match_headers_value(MLX5_FLOW_CONTEXT_ACTION_DECAP, 18378377629eSEli Britstein spec); 1838bbd00f7eSHadar Hen Zion } 1839bbd00f7eSHadar Hen Zion 18408f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 18418f256622SPablo Neira Ayuso struct flow_match_basic match; 1842e3a2b7edSAmir Vadai 18438f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 18448f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 18458f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 18468f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 18478f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 18488f256622SPablo Neira Ayuso 18498f256622SPablo Neira Ayuso if (match.mask->n_proto) 1850d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1851e3a2b7edSAmir Vadai } 185235a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 185335a605dbSEli Britstein is_vlan_dev(filter_dev)) { 185435a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 185535a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 18568f256622SPablo Neira Ayuso struct flow_match_vlan match; 18578f256622SPablo Neira Ayuso 185835a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 185935a605dbSEli Britstein match.key = &filter_dev_key; 186035a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 186135a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 186235a605dbSEli Britstein match.key->vlan_priority = 0; 186335a605dbSEli Britstein match.mask = &filter_dev_mask; 186435a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 186535a605dbSEli Britstein match.mask->vlan_priority = 0; 186635a605dbSEli Britstein } else { 18678f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 186835a605dbSEli Britstein } 18698f256622SPablo Neira Ayuso if (match.mask->vlan_id || 18708f256622SPablo Neira Ayuso match.mask->vlan_priority || 18718f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 18728f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1873699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1874699e96ddSJianbo Liu svlan_tag, 1); 1875699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1876699e96ddSJianbo Liu svlan_tag, 1); 1877699e96ddSJianbo Liu } else { 1878699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1879699e96ddSJianbo Liu cvlan_tag, 1); 1880699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1881699e96ddSJianbo Liu cvlan_tag, 1); 1882699e96ddSJianbo Liu } 1883095b6cfdSOr Gerlitz 18848f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 18858f256622SPablo Neira Ayuso match.mask->vlan_id); 18868f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 18878f256622SPablo Neira Ayuso match.key->vlan_id); 1888358d79a4SOr Gerlitz 18898f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 18908f256622SPablo Neira Ayuso match.mask->vlan_priority); 18918f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 18928f256622SPablo Neira Ayuso match.key->vlan_priority); 189354782900SOr Gerlitz 1894d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1895095b6cfdSOr Gerlitz } 1896d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1897fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 1898fc603294SMark Bloch * disabled in match value means both S & C tags 1899fc603294SMark Bloch * don't exist (untagged of both) 1900fc603294SMark Bloch */ 1901cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1902d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1903095b6cfdSOr Gerlitz } 1904095b6cfdSOr Gerlitz 19058f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 19068f256622SPablo Neira Ayuso struct flow_match_vlan match; 19078f256622SPablo Neira Ayuso 190812d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 19098f256622SPablo Neira Ayuso if (match.mask->vlan_id || 19108f256622SPablo Neira Ayuso match.mask->vlan_priority || 19118f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 19128f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1913699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1914699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1915699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1916699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1917699e96ddSJianbo Liu } else { 1918699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1919699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1920699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1921699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1922699e96ddSJianbo Liu } 1923699e96ddSJianbo Liu 1924699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 19258f256622SPablo Neira Ayuso match.mask->vlan_id); 1926699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 19278f256622SPablo Neira Ayuso match.key->vlan_id); 1928699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 19298f256622SPablo Neira Ayuso match.mask->vlan_priority); 1930699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 19318f256622SPablo Neira Ayuso match.key->vlan_priority); 1932699e96ddSJianbo Liu 1933699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1934699e96ddSJianbo Liu } 1935699e96ddSJianbo Liu } 1936699e96ddSJianbo Liu 19378f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 19388f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 193954782900SOr Gerlitz 19408f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1941d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1942d3a80bb5SOr Gerlitz dmac_47_16), 19438f256622SPablo Neira Ayuso match.mask->dst); 1944d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1945d3a80bb5SOr Gerlitz dmac_47_16), 19468f256622SPablo Neira Ayuso match.key->dst); 1947d3a80bb5SOr Gerlitz 1948d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1949d3a80bb5SOr Gerlitz smac_47_16), 19508f256622SPablo Neira Ayuso match.mask->src); 1951d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1952d3a80bb5SOr Gerlitz smac_47_16), 19538f256622SPablo Neira Ayuso match.key->src); 1954d3a80bb5SOr Gerlitz 19558f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 19568f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1957d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 195854782900SOr Gerlitz } 195954782900SOr Gerlitz 19608f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 19618f256622SPablo Neira Ayuso struct flow_match_control match; 196254782900SOr Gerlitz 19638f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 19648f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 196554782900SOr Gerlitz 196654782900SOr Gerlitz /* the HW doesn't support frag first/later */ 19678f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 196854782900SOr Gerlitz return -EOPNOTSUPP; 196954782900SOr Gerlitz 19708f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 197154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 197254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 19738f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 197454782900SOr Gerlitz 197554782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 19768f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 197783621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 197854782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 197954782900SOr Gerlitz else 198083621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 198154782900SOr Gerlitz } 198254782900SOr Gerlitz } 198354782900SOr Gerlitz 19848f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 19858f256622SPablo Neira Ayuso struct flow_match_basic match; 19868f256622SPablo Neira Ayuso 19878f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 19888f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 198954782900SOr Gerlitz 199054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 19918f256622SPablo Neira Ayuso match.mask->ip_proto); 199254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 19938f256622SPablo Neira Ayuso match.key->ip_proto); 199454782900SOr Gerlitz 19958f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1996d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 199754782900SOr Gerlitz } 199854782900SOr Gerlitz 1999e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 20008f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2001e3a2b7edSAmir Vadai 20028f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2003e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2004e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 20058f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2006e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2007e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 20088f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2009e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2010e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 20118f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2012e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2013e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 20148f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2015de0af0bfSRoi Dayan 20168f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2017d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2018e3a2b7edSAmir Vadai } 2019e3a2b7edSAmir Vadai 2020e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 20218f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2022e3a2b7edSAmir Vadai 20238f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2024e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2025e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 20268f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2027e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2028e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 20298f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2030e3a2b7edSAmir Vadai 2031e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2032e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 20338f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2034e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2035e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 20368f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2037de0af0bfSRoi Dayan 20388f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 20398f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2040d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2041e3a2b7edSAmir Vadai } 2042e3a2b7edSAmir Vadai 20438f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 20448f256622SPablo Neira Ayuso struct flow_match_ip match; 20451f97a526SOr Gerlitz 20468f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 20478f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 20488f256622SPablo Neira Ayuso match.mask->tos & 0x3); 20498f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 20508f256622SPablo Neira Ayuso match.key->tos & 0x3); 20511f97a526SOr Gerlitz 20528f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 20538f256622SPablo Neira Ayuso match.mask->tos >> 2); 20548f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 20558f256622SPablo Neira Ayuso match.key->tos >> 2); 20561f97a526SOr Gerlitz 20578f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 20588f256622SPablo Neira Ayuso match.mask->ttl); 20598f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 20608f256622SPablo Neira Ayuso match.key->ttl); 20611f97a526SOr Gerlitz 20628f256622SPablo Neira Ayuso if (match.mask->ttl && 2063a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2064e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2065e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2066e98bedf5SEli Britstein "Matching on TTL is not supported"); 20671f97a526SOr Gerlitz return -EOPNOTSUPP; 2068e98bedf5SEli Britstein } 2069a8ade55fSOr Gerlitz 20708f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2071d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 20721f97a526SOr Gerlitz } 20731f97a526SOr Gerlitz 207454782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 207554782900SOr Gerlitz 20768f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 20778f256622SPablo Neira Ayuso struct flow_match_ports match; 20788f256622SPablo Neira Ayuso 20798f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2080e3a2b7edSAmir Vadai switch (ip_proto) { 2081e3a2b7edSAmir Vadai case IPPROTO_TCP: 2082e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20838f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2084e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20858f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2086e3a2b7edSAmir Vadai 2087e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20888f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2089e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20908f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2091e3a2b7edSAmir Vadai break; 2092e3a2b7edSAmir Vadai 2093e3a2b7edSAmir Vadai case IPPROTO_UDP: 2094e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20958f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2096e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20978f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2098e3a2b7edSAmir Vadai 2099e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 21008f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2101e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 21028f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2103e3a2b7edSAmir Vadai break; 2104e3a2b7edSAmir Vadai default: 2105e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2106e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2107e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2108e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2109e3a2b7edSAmir Vadai return -EINVAL; 2110e3a2b7edSAmir Vadai } 2111de0af0bfSRoi Dayan 21128f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2113d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2114e3a2b7edSAmir Vadai } 2115e3a2b7edSAmir Vadai 21168f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 21178f256622SPablo Neira Ayuso struct flow_match_tcp match; 2118e77834ecSOr Gerlitz 21198f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2120e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 21218f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2122e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 21238f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2124e77834ecSOr Gerlitz 21258f256622SPablo Neira Ayuso if (match.mask->flags) 2126d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2127e77834ecSOr Gerlitz } 2128e77834ecSOr Gerlitz 2129e3a2b7edSAmir Vadai return 0; 2130e3a2b7edSAmir Vadai } 2131e3a2b7edSAmir Vadai 2132de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 213365ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2134de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2135f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 213654c177caSOz Shlomo struct net_device *filter_dev) 2137de0af0bfSRoi Dayan { 213893b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2139e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2140de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2141de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 21421d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 21431d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2144226f2ca3SVlad Buslov bool is_eswitch_flow; 2145de0af0bfSRoi Dayan int err; 2146de0af0bfSRoi Dayan 214793b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 214893b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 214993b3586eSHuy Nguyen 215093b3586eSHuy Nguyen err = __parse_cls_flower(priv, spec, f, filter_dev, &inner_match_level, 215193b3586eSHuy Nguyen &outer_match_level); 215293b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 215393b3586eSHuy Nguyen outer_match_level : inner_match_level; 2154de0af0bfSRoi Dayan 2155226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2156226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 21571d447a39SSaeed Mahameed rep = rpriv->rep; 2158b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 21591d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 216093b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2161e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2162e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2163de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2164de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 216593b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2166de0af0bfSRoi Dayan return -EOPNOTSUPP; 2167de0af0bfSRoi Dayan } 2168de0af0bfSRoi Dayan } 2169de0af0bfSRoi Dayan 2170226f2ca3SVlad Buslov if (is_eswitch_flow) { 217193b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 217293b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 21736363651dSOr Gerlitz } else { 217493b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 21756363651dSOr Gerlitz } 217638aa51c1SOr Gerlitz 2177de0af0bfSRoi Dayan return err; 2178de0af0bfSRoi Dayan } 2179de0af0bfSRoi Dayan 2180d79b6df6SOr Gerlitz struct pedit_headers { 2181d79b6df6SOr Gerlitz struct ethhdr eth; 21820eb69bb9SEli Britstein struct vlan_hdr vlan; 2183d79b6df6SOr Gerlitz struct iphdr ip4; 2184d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2185d79b6df6SOr Gerlitz struct tcphdr tcp; 2186d79b6df6SOr Gerlitz struct udphdr udp; 2187d79b6df6SOr Gerlitz }; 2188d79b6df6SOr Gerlitz 2189c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2190c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2191c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2192c500c86bSPablo Neira Ayuso u32 pedits; 2193c500c86bSPablo Neira Ayuso }; 2194c500c86bSPablo Neira Ayuso 2195d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 219673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 219773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 219873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 219973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 220073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2201d79b6df6SOr Gerlitz }; 2202d79b6df6SOr Gerlitz 2203d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2204d79b6df6SOr Gerlitz 2205d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2206c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2207d79b6df6SOr Gerlitz { 2208d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2209d79b6df6SOr Gerlitz 2210c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2211c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2212d79b6df6SOr Gerlitz 2213d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2214d79b6df6SOr Gerlitz goto out_err; 2215d79b6df6SOr Gerlitz 2216d79b6df6SOr Gerlitz *curr_pmask |= mask; 2217d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2218d79b6df6SOr Gerlitz 2219d79b6df6SOr Gerlitz return 0; 2220d79b6df6SOr Gerlitz 2221d79b6df6SOr Gerlitz out_err: 2222d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2223d79b6df6SOr Gerlitz } 2224d79b6df6SOr Gerlitz 2225d79b6df6SOr Gerlitz struct mlx5_fields { 2226d79b6df6SOr Gerlitz u8 field; 2227d79b6df6SOr Gerlitz u8 size; 2228d79b6df6SOr Gerlitz u32 offset; 222927c11b6bSEli Britstein u32 match_offset; 2230d79b6df6SOr Gerlitz }; 2231d79b6df6SOr Gerlitz 223227c11b6bSEli Britstein #define OFFLOAD(fw_field, size, field, off, match_field) \ 223327c11b6bSEli Britstein {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, \ 223427c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 223527c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 223627c11b6bSEli Britstein 22372ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 22382ef86872SEli Britstein * match. 22392ef86872SEli Britstein */ 22402ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 22412ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 22422ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 22432ef86872SEli Britstein type maskx = *(type *)(maskp); \ 22442ef86872SEli Britstein type valx = *(type *)(valp); \ 22452ef86872SEli Britstein \ 22462ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 22472ef86872SEli Britstein matchmaskx)); \ 22482ef86872SEli Britstein }) 22492ef86872SEli Britstein 225027c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 225127c11b6bSEli Britstein void *matchmaskp, int size) 225227c11b6bSEli Britstein { 225327c11b6bSEli Britstein bool same = false; 225427c11b6bSEli Britstein 225527c11b6bSEli Britstein switch (size) { 225627c11b6bSEli Britstein case sizeof(u8): 22572ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 225827c11b6bSEli Britstein break; 225927c11b6bSEli Britstein case sizeof(u16): 22602ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 226127c11b6bSEli Britstein break; 226227c11b6bSEli Britstein case sizeof(u32): 22632ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 226427c11b6bSEli Britstein break; 226527c11b6bSEli Britstein } 226627c11b6bSEli Britstein 226727c11b6bSEli Britstein return same; 226827c11b6bSEli Britstein } 2269a8e4f0c4SOr Gerlitz 2270d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 227127c11b6bSEli Britstein OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0, dmac_47_16), 227227c11b6bSEli Britstein OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0, dmac_15_0), 227327c11b6bSEli Britstein OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0, smac_47_16), 227427c11b6bSEli Britstein OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0, smac_15_0), 227527c11b6bSEli Britstein OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0, ethertype), 227627c11b6bSEli Britstein OFFLOAD(FIRST_VID, 2, vlan.h_vlan_TCI, 0, first_vid), 2277d79b6df6SOr Gerlitz 227827c11b6bSEli Britstein OFFLOAD(IP_TTL, 1, ip4.ttl, 0, ttl_hoplimit), 227927c11b6bSEli Britstein OFFLOAD(SIPV4, 4, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 228027c11b6bSEli Britstein OFFLOAD(DIPV4, 4, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2281d79b6df6SOr Gerlitz 228227c11b6bSEli Britstein OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0, 228327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 228427c11b6bSEli Britstein OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0, 228527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 228627c11b6bSEli Britstein OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0, 228727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 228827c11b6bSEli Britstein OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0, 228927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 229027c11b6bSEli Britstein OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0, 229127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 229227c11b6bSEli Britstein OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0, 229327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 229427c11b6bSEli Britstein OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0, 229527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 229627c11b6bSEli Britstein OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0, 229727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 229827c11b6bSEli Britstein OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0, ttl_hoplimit), 2299d79b6df6SOr Gerlitz 230027c11b6bSEli Britstein OFFLOAD(TCP_SPORT, 2, tcp.source, 0, tcp_sport), 230127c11b6bSEli Britstein OFFLOAD(TCP_DPORT, 2, tcp.dest, 0, tcp_dport), 230227c11b6bSEli Britstein OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5, tcp_flags), 2303d79b6df6SOr Gerlitz 230427c11b6bSEli Britstein OFFLOAD(UDP_SPORT, 2, udp.source, 0, udp_sport), 230527c11b6bSEli Britstein OFFLOAD(UDP_DPORT, 2, udp.dest, 0, udp_dport), 2306d79b6df6SOr Gerlitz }; 2307d79b6df6SOr Gerlitz 2308218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 2309218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 2310218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 2311d79b6df6SOr Gerlitz */ 2312c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 2313e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 231427c11b6bSEli Britstein u32 *action_flags, 2315e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2316d79b6df6SOr Gerlitz { 2317d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 231827c11b6bSEli Britstein void *headers_c = get_match_headers_criteria(*action_flags, 231927c11b6bSEli Britstein &parse_attr->spec); 232027c11b6bSEli Britstein void *headers_v = get_match_headers_value(*action_flags, 232127c11b6bSEli Britstein &parse_attr->spec); 23222b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 2323d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 2324d79b6df6SOr Gerlitz struct mlx5_fields *f; 2325d79b6df6SOr Gerlitz u8 cmd, field_bsize; 2326e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 2327d79b6df6SOr Gerlitz unsigned long mask; 23282b64bebaSOr Gerlitz __be32 mask_be32; 23292b64bebaSOr Gerlitz __be16 mask_be16; 2330d79b6df6SOr Gerlitz void *action; 2331d79b6df6SOr Gerlitz 233273867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 233373867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 233473867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 233573867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2336d79b6df6SOr Gerlitz 2337d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2338218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 2339218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 2340218d05ceSTonghao Zhang 2341218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 2342218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 2343d79b6df6SOr Gerlitz 2344d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 234527c11b6bSEli Britstein bool skip; 234627c11b6bSEli Britstein 2347d79b6df6SOr Gerlitz f = &fields[i]; 2348d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2349e3ca4e05SOr Gerlitz s_mask = 0; 2350e3ca4e05SOr Gerlitz a_mask = 0; 2351d79b6df6SOr Gerlitz 2352d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2353d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2354d79b6df6SOr Gerlitz 2355d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 2356d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 2357d79b6df6SOr Gerlitz 2358d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2359d79b6df6SOr Gerlitz continue; 2360d79b6df6SOr Gerlitz 2361d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2362e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2363e98bedf5SEli Britstein "can't set and add to the same HW field"); 2364d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2365d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2366d79b6df6SOr Gerlitz } 2367d79b6df6SOr Gerlitz 2368d79b6df6SOr Gerlitz if (nactions == max_actions) { 2369e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2370e98bedf5SEli Britstein "too many pedit actions, can't offload"); 2371d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 2372d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2373d79b6df6SOr Gerlitz } 2374d79b6df6SOr Gerlitz 237527c11b6bSEli Britstein skip = false; 2376d79b6df6SOr Gerlitz if (s_mask) { 237727c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 237827c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 237927c11b6bSEli Britstein 2380d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2381d79b6df6SOr Gerlitz mask = s_mask; 2382d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 238327c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 238427c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 238527c11b6bSEli Britstein match_mask, f->size)) 238627c11b6bSEli Britstein skip = true; 2387d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2388d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 2389d79b6df6SOr Gerlitz } else { 239027c11b6bSEli Britstein u32 zero = 0; 239127c11b6bSEli Britstein 2392d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2393d79b6df6SOr Gerlitz mask = a_mask; 2394d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 239527c11b6bSEli Britstein /* add 0 is no change */ 239627c11b6bSEli Britstein if (!memcmp(vals_p, &zero, f->size)) 239727c11b6bSEli Britstein skip = true; 2398d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2399d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 2400d79b6df6SOr Gerlitz } 240127c11b6bSEli Britstein if (skip) 240227c11b6bSEli Britstein continue; 2403d79b6df6SOr Gerlitz 2404d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 2405e3ca4e05SOr Gerlitz 24062b64bebaSOr Gerlitz if (field_bsize == 32) { 24072b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 24082b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 24092b64bebaSOr Gerlitz } else if (field_bsize == 16) { 24102b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 24112b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 24122b64bebaSOr Gerlitz } 24132b64bebaSOr Gerlitz 2414d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 24152b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 2416d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 24172b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2418e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2419e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 24202b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2421d79b6df6SOr Gerlitz mask); 2422d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2423d79b6df6SOr Gerlitz } 2424d79b6df6SOr Gerlitz 2425d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2426d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2427d79b6df6SOr Gerlitz 2428d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 24292b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 2430d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 24312b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2432d79b6df6SOr Gerlitz } 2433d79b6df6SOr Gerlitz 2434d79b6df6SOr Gerlitz if (field_bsize == 32) 24352b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 2436d79b6df6SOr Gerlitz else if (field_bsize == 16) 24372b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 2438d79b6df6SOr Gerlitz else if (field_bsize == 8) 24392b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2440d79b6df6SOr Gerlitz 2441d79b6df6SOr Gerlitz action += action_size; 2442d79b6df6SOr Gerlitz nactions++; 2443d79b6df6SOr Gerlitz } 2444d79b6df6SOr Gerlitz 2445d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2446d79b6df6SOr Gerlitz return 0; 2447d79b6df6SOr Gerlitz } 2448d79b6df6SOr Gerlitz 24492cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 24502cc1cb1dSTonghao Zhang int namespace) 24512cc1cb1dSTonghao Zhang { 24522cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 24532cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 24542cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 24552cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 24562cc1cb1dSTonghao Zhang } 24572cc1cb1dSTonghao Zhang 2458d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2459c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2460c500c86bSPablo Neira Ayuso int namespace, 2461d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2462d79b6df6SOr Gerlitz { 2463d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2464d79b6df6SOr Gerlitz 2465c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2466c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2467d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2468d79b6df6SOr Gerlitz 24692cc1cb1dSTonghao Zhang max_actions = mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace); 2470d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2471d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2472d79b6df6SOr Gerlitz 2473d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2474d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2475d79b6df6SOr Gerlitz return -ENOMEM; 2476d79b6df6SOr Gerlitz 2477218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2478d79b6df6SOr Gerlitz return 0; 2479d79b6df6SOr Gerlitz } 2480d79b6df6SOr Gerlitz 2481d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2482d79b6df6SOr Gerlitz 2483d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 248473867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2485e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2486c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2487e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2488d79b6df6SOr Gerlitz { 248973867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 249073867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2491d79b6df6SOr Gerlitz u32 mask, val, offset; 249273867881SPablo Neira Ayuso u8 htype; 2493d79b6df6SOr Gerlitz 249473867881SPablo Neira Ayuso htype = act->mangle.htype; 2495d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2496d79b6df6SOr Gerlitz 249773867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 249873867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2499d79b6df6SOr Gerlitz goto out_err; 2500d79b6df6SOr Gerlitz } 2501d79b6df6SOr Gerlitz 25022cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 25032cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 25042cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 25052cc1cb1dSTonghao Zhang goto out_err; 25062cc1cb1dSTonghao Zhang } 25072cc1cb1dSTonghao Zhang 250873867881SPablo Neira Ayuso mask = act->mangle.mask; 250973867881SPablo Neira Ayuso val = act->mangle.val; 251073867881SPablo Neira Ayuso offset = act->mangle.offset; 2511d79b6df6SOr Gerlitz 2512c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2513d79b6df6SOr Gerlitz if (err) 2514d79b6df6SOr Gerlitz goto out_err; 2515c500c86bSPablo Neira Ayuso 2516c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2517d79b6df6SOr Gerlitz 2518c500c86bSPablo Neira Ayuso return 0; 2519c500c86bSPablo Neira Ayuso out_err: 2520c500c86bSPablo Neira Ayuso return err; 2521c500c86bSPablo Neira Ayuso } 2522c500c86bSPablo Neira Ayuso 2523c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2524c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2525c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 252627c11b6bSEli Britstein u32 *action_flags, 2527c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2528c500c86bSPablo Neira Ayuso { 2529c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2530c500c86bSPablo Neira Ayuso int err; 2531c500c86bSPablo Neira Ayuso u8 cmd; 2532c500c86bSPablo Neira Ayuso 2533218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2534c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2535d79b6df6SOr Gerlitz if (err) 2536d79b6df6SOr Gerlitz goto out_err; 2537218d05ceSTonghao Zhang } 2538d79b6df6SOr Gerlitz 253927c11b6bSEli Britstein err = offload_pedit_fields(hdrs, parse_attr, action_flags, extack); 2540d79b6df6SOr Gerlitz if (err < 0) 2541d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2542d79b6df6SOr Gerlitz 2543d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2544c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2545d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2546e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2547e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2548b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2549d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2550d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2551d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2552d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2553d79b6df6SOr Gerlitz } 2554d79b6df6SOr Gerlitz } 2555d79b6df6SOr Gerlitz 2556d79b6df6SOr Gerlitz return 0; 2557d79b6df6SOr Gerlitz 2558d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2559d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2560d79b6df6SOr Gerlitz out_err: 2561d79b6df6SOr Gerlitz return err; 2562d79b6df6SOr Gerlitz } 2563d79b6df6SOr Gerlitz 2564e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2565e98bedf5SEli Britstein u32 action, 2566e98bedf5SEli Britstein u32 update_flags, 2567e98bedf5SEli Britstein struct netlink_ext_ack *extack) 256826c02749SOr Gerlitz { 256926c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 257026c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 257126c02749SOr Gerlitz 257226c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 257326c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2574e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2575e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 257626c02749SOr Gerlitz netdev_warn(priv->netdev, 257726c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 257826c02749SOr Gerlitz return false; 257926c02749SOr Gerlitz } 258026c02749SOr Gerlitz 258126c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2582e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2583e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 258426c02749SOr Gerlitz netdev_warn(priv->netdev, 258526c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 258626c02749SOr Gerlitz update_flags); 258726c02749SOr Gerlitz return false; 258826c02749SOr Gerlitz } 258926c02749SOr Gerlitz 259026c02749SOr Gerlitz return true; 259126c02749SOr Gerlitz } 259226c02749SOr Gerlitz 25938998576bSDmytro Linkin struct ip_ttl_word { 25948998576bSDmytro Linkin __u8 ttl; 25958998576bSDmytro Linkin __u8 protocol; 25968998576bSDmytro Linkin __sum16 check; 25978998576bSDmytro Linkin }; 25988998576bSDmytro Linkin 25998998576bSDmytro Linkin struct ipv6_hoplimit_word { 26008998576bSDmytro Linkin __be16 payload_len; 26018998576bSDmytro Linkin __u8 nexthdr; 26028998576bSDmytro Linkin __u8 hop_limit; 26038998576bSDmytro Linkin }; 26048998576bSDmytro Linkin 26058998576bSDmytro Linkin static bool is_action_keys_supported(const struct flow_action_entry *act) 26068998576bSDmytro Linkin { 26078998576bSDmytro Linkin u32 mask, offset; 26088998576bSDmytro Linkin u8 htype; 26098998576bSDmytro Linkin 26108998576bSDmytro Linkin htype = act->mangle.htype; 26118998576bSDmytro Linkin offset = act->mangle.offset; 26128998576bSDmytro Linkin mask = ~act->mangle.mask; 26138998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 26148998576bSDmytro Linkin * to determine that modified fields 26158998576bSDmytro Linkin * are NOT ttl & hop_limit only. 26168998576bSDmytro Linkin */ 26178998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 26188998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 26198998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 26208998576bSDmytro Linkin 26218998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 26228998576bSDmytro Linkin ttl_word->protocol || 26238998576bSDmytro Linkin ttl_word->check) { 26248998576bSDmytro Linkin return true; 26258998576bSDmytro Linkin } 26268998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 26278998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 26288998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 26298998576bSDmytro Linkin 26308998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 26318998576bSDmytro Linkin hoplimit_word->payload_len || 26328998576bSDmytro Linkin hoplimit_word->nexthdr) { 26338998576bSDmytro Linkin return true; 26348998576bSDmytro Linkin } 26358998576bSDmytro Linkin } 26368998576bSDmytro Linkin return false; 26378998576bSDmytro Linkin } 26388998576bSDmytro Linkin 2639bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 264073867881SPablo Neira Ayuso struct flow_action *flow_action, 26411651925dSGuy Shattah u32 actions, 2642e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2643bdd66ac0SOr Gerlitz { 264473867881SPablo Neira Ayuso const struct flow_action_entry *act; 2645bdd66ac0SOr Gerlitz bool modify_ip_header; 2646bdd66ac0SOr Gerlitz void *headers_v; 2647bdd66ac0SOr Gerlitz u16 ethertype; 26488998576bSDmytro Linkin u8 ip_proto; 264973867881SPablo Neira Ayuso int i; 2650bdd66ac0SOr Gerlitz 26518377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 2652bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2653bdd66ac0SOr Gerlitz 2654bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2655bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2656bdd66ac0SOr Gerlitz goto out_ok; 2657bdd66ac0SOr Gerlitz 2658bdd66ac0SOr Gerlitz modify_ip_header = false; 265973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 266073867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 266173867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2662bdd66ac0SOr Gerlitz continue; 2663bdd66ac0SOr Gerlitz 26648998576bSDmytro Linkin if (is_action_keys_supported(act)) { 2665bdd66ac0SOr Gerlitz modify_ip_header = true; 2666bdd66ac0SOr Gerlitz break; 2667bdd66ac0SOr Gerlitz } 2668bdd66ac0SOr Gerlitz } 2669bdd66ac0SOr Gerlitz 2670bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 26711ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 26721ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2673e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2674e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2675bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2676bdd66ac0SOr Gerlitz return false; 2677bdd66ac0SOr Gerlitz } 2678bdd66ac0SOr Gerlitz 2679bdd66ac0SOr Gerlitz out_ok: 2680bdd66ac0SOr Gerlitz return true; 2681bdd66ac0SOr Gerlitz } 2682bdd66ac0SOr Gerlitz 2683bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 268473867881SPablo Neira Ayuso struct flow_action *flow_action, 2685bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2686e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2687e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2688bdd66ac0SOr Gerlitz { 2689bdd66ac0SOr Gerlitz u32 actions; 2690bdd66ac0SOr Gerlitz 2691226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 2692bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2693bdd66ac0SOr Gerlitz else 2694bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2695bdd66ac0SOr Gerlitz 2696226f2ca3SVlad Buslov if (flow_flag_test(flow, EGRESS) && 269735a605dbSEli Britstein !((actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) || 26986830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 26996830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_DROP))) 27007e29392eSRoi Dayan return false; 27017e29392eSRoi Dayan 2702bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 270373867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2704a655fe9fSDavid S. Miller flow_action, actions, 2705e98bedf5SEli Britstein extack); 2706bdd66ac0SOr Gerlitz 2707bdd66ac0SOr Gerlitz return true; 2708bdd66ac0SOr Gerlitz } 2709bdd66ac0SOr Gerlitz 27105c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 27115c65c564SOr Gerlitz { 27125c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2713816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 27145c65c564SOr Gerlitz 27155c65c564SOr Gerlitz fmdev = priv->mdev; 27165c65c564SOr Gerlitz pmdev = peer_priv->mdev; 27175c65c564SOr Gerlitz 271859c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 271959c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 27205c65c564SOr Gerlitz 2721816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 27225c65c564SOr Gerlitz } 27235c65c564SOr Gerlitz 2724bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2725bdc837eeSEli Britstein const struct flow_action_entry *act, 2726bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2727bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2728bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2729bdc837eeSEli Britstein { 2730bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2731bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2732bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2733bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2734bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2735bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2736bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2737bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2738bdc837eeSEli Britstein }; 27396fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 2740bf2f3bcaSEli Britstein void *headers_c, *headers_v; 2741bdc837eeSEli Britstein int err; 2742bdc837eeSEli Britstein 2743bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 2744bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 2745bf2f3bcaSEli Britstein 2746bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 2747bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 2748bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 2749bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 2750bf2f3bcaSEli Britstein return -EOPNOTSUPP; 2751bf2f3bcaSEli Britstein } 2752bf2f3bcaSEli Britstein 27536fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 27546fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 27556fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 27566fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 27576fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 2758bdc837eeSEli Britstein return -EOPNOTSUPP; 2759bdc837eeSEli Britstein } 2760bdc837eeSEli Britstein 2761bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2762bdc837eeSEli Britstein hdrs, NULL); 2763bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2764bdc837eeSEli Britstein 2765bdc837eeSEli Britstein return err; 2766bdc837eeSEli Britstein } 2767bdc837eeSEli Britstein 27680bac1194SEli Britstein static int 27690bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 27700bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 27710bac1194SEli Britstein struct pedit_headers_action *hdrs, 27720bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 27730bac1194SEli Britstein { 27740bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 27750bac1194SEli Britstein .vlan.vid = 0, 27760bac1194SEli Britstein .vlan.prio = 27770bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 27780bac1194SEli Britstein get_match_headers_value(*action, 27790bac1194SEli Britstein &parse_attr->spec), 27800bac1194SEli Britstein first_prio) & 27810bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 27820bac1194SEli Britstein get_match_headers_criteria(*action, 27830bac1194SEli Britstein &parse_attr->spec), 27840bac1194SEli Britstein first_prio), 27850bac1194SEli Britstein }; 27860bac1194SEli Britstein 27870bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 27880bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 27890bac1194SEli Britstein extack); 27900bac1194SEli Britstein } 27910bac1194SEli Britstein 279273867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 279373867881SPablo Neira Ayuso struct flow_action *flow_action, 2794aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2795e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2796e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2797e3a2b7edSAmir Vadai { 2798aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 279973867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 280073867881SPablo Neira Ayuso const struct flow_action_entry *act; 28011cab1cd7SOr Gerlitz u32 action = 0; 2802244cd96aSCong Wang int err, i; 2803e3a2b7edSAmir Vadai 280473867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2805e3a2b7edSAmir Vadai return -EINVAL; 2806e3a2b7edSAmir Vadai 28073bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2808e3a2b7edSAmir Vadai 280973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 281073867881SPablo Neira Ayuso switch (act->id) { 281173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 28121cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2813aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2814aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 28151cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 281673867881SPablo Neira Ayuso break; 281773867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 281873867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 281973867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2820c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 28212f4fe4caSOr Gerlitz if (err) 28222f4fe4caSOr Gerlitz return err; 28232f4fe4caSOr Gerlitz 28241cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 28252f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 282673867881SPablo Neira Ayuso break; 2827bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2828bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2829bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2830bdc837eeSEli Britstein act, parse_attr, hdrs, 2831bdc837eeSEli Britstein &action, extack); 2832bdc837eeSEli Britstein if (err) 2833bdc837eeSEli Britstein return err; 2834bdc837eeSEli Britstein 2835bdc837eeSEli Britstein break; 283673867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 28371cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 283873867881SPablo Neira Ayuso act->csum_flags, 2839e98bedf5SEli Britstein extack)) 284073867881SPablo Neira Ayuso break; 284126c02749SOr Gerlitz 284226c02749SOr Gerlitz return -EOPNOTSUPP; 284373867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 284473867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 28455c65c564SOr Gerlitz 28465c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 28475c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 284898b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 2849226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 28501cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 28515c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 28525c65c564SOr Gerlitz } else { 2853e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2854e98bedf5SEli Britstein "device is not on same HW, can't offload"); 28555c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 28565c65c564SOr Gerlitz peer_dev->name); 28575c65c564SOr Gerlitz return -EINVAL; 28585c65c564SOr Gerlitz } 28595c65c564SOr Gerlitz } 286073867881SPablo Neira Ayuso break; 286173867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 286273867881SPablo Neira Ayuso u32 mark = act->mark; 2863e3a2b7edSAmir Vadai 2864e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2865e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2866e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2867e3a2b7edSAmir Vadai return -EINVAL; 2868e3a2b7edSAmir Vadai } 2869e3a2b7edSAmir Vadai 28703bc4b7bfSOr Gerlitz attr->flow_tag = mark; 28711cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2872e3a2b7edSAmir Vadai } 287373867881SPablo Neira Ayuso break; 287473867881SPablo Neira Ayuso default: 28752cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 28762cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 2877e3a2b7edSAmir Vadai } 287873867881SPablo Neira Ayuso } 2879e3a2b7edSAmir Vadai 2880c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2881c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2882c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 288327c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 2884c500c86bSPablo Neira Ayuso if (err) 2885c500c86bSPablo Neira Ayuso return err; 288627c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 288727c11b6bSEli Britstein * flag. 288827c11b6bSEli Britstein */ 2889e7739a60SEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 289027c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2891e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 2892e7739a60SEli Britstein } 2893c500c86bSPablo Neira Ayuso } 2894c500c86bSPablo Neira Ayuso 28951cab1cd7SOr Gerlitz attr->action = action; 289673867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2897bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2898bdd66ac0SOr Gerlitz 2899e3a2b7edSAmir Vadai return 0; 2900e3a2b7edSAmir Vadai } 2901e3a2b7edSAmir Vadai 29027f1a546eSEli Britstein struct encap_key { 29031f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 2904d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 29057f1a546eSEli Britstein }; 29067f1a546eSEli Britstein 29077f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 29087f1a546eSEli Britstein struct encap_key *b) 2909a54e20b4SHadar Hen Zion { 29107f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 2911d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 2912a54e20b4SHadar Hen Zion } 2913a54e20b4SHadar Hen Zion 29147f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 2915a54e20b4SHadar Hen Zion { 29167f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 2917d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 2918a54e20b4SHadar Hen Zion } 2919a54e20b4SHadar Hen Zion 2920a54e20b4SHadar Hen Zion 2921b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2922b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2923b1d90e6bSRabie Loulou { 2924b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2925b1d90e6bSRabie Loulou 2926b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2927b1d90e6bSRabie Loulou 2928b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 292968931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 293068931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 293168931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2932b1d90e6bSRabie Loulou } 2933b1d90e6bSRabie Loulou 2934ce99f6b9SOr Gerlitz 293554c177caSOz Shlomo 2936948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 2937948993f2SVlad Buslov { 2938948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 2939948993f2SVlad Buslov } 2940948993f2SVlad Buslov 2941948993f2SVlad Buslov static struct mlx5e_encap_entry * 2942948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 2943948993f2SVlad Buslov uintptr_t hash_key) 2944948993f2SVlad Buslov { 2945948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2946948993f2SVlad Buslov struct mlx5e_encap_entry *e; 2947948993f2SVlad Buslov struct encap_key e_key; 2948948993f2SVlad Buslov 2949948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2950948993f2SVlad Buslov encap_hlist, hash_key) { 2951948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 2952948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 2953948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 2954948993f2SVlad Buslov mlx5e_encap_take(e)) 2955948993f2SVlad Buslov return e; 2956948993f2SVlad Buslov } 2957948993f2SVlad Buslov 2958948993f2SVlad Buslov return NULL; 2959948993f2SVlad Buslov } 2960948993f2SVlad Buslov 2961a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2962e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2963733d4f36SRoi Dayan struct net_device *mirred_dev, 2964733d4f36SRoi Dayan int out_index, 29658c4dc42bSEli Britstein struct netlink_ext_ack *extack, 29660ad060eeSRoi Dayan struct net_device **encap_dev, 29670ad060eeSRoi Dayan bool *encap_valid) 296803a9d11eSOr Gerlitz { 2969a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 297045247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2971733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 29721f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 2973948993f2SVlad Buslov struct encap_key key; 2974c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2975733d4f36SRoi Dayan unsigned short family; 2976a54e20b4SHadar Hen Zion uintptr_t hash_key; 297754c177caSOz Shlomo int err = 0; 2978a54e20b4SHadar Hen Zion 2979733d4f36SRoi Dayan parse_attr = attr->parse_attr; 29801f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 2981733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 29827f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 2983d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 2984d71f895cSEli Cohen if (!key.tc_tunnel) { 2985d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 2986d71f895cSEli Cohen return -EOPNOTSUPP; 2987d71f895cSEli Cohen } 2988733d4f36SRoi Dayan 29897f1a546eSEli Britstein hash_key = hash_encap_info(&key); 2990a54e20b4SHadar Hen Zion 299161086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 2992948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 2993a54e20b4SHadar Hen Zion 2994b2812089SVlad Buslov /* must verify if encap is valid or not */ 2995d589e785SVlad Buslov if (e) { 2996d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 2997d589e785SVlad Buslov wait_for_completion(&e->res_ready); 2998d589e785SVlad Buslov 2999d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3000d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 30013c140dd5SVlad Buslov if (e->compl_result < 0) { 3002d589e785SVlad Buslov err = -EREMOTEIO; 3003d589e785SVlad Buslov goto out_err; 3004d589e785SVlad Buslov } 300545247bf2SOr Gerlitz goto attach_flow; 3006d589e785SVlad Buslov } 3007a54e20b4SHadar Hen Zion 3008a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 300961086f39SVlad Buslov if (!e) { 301061086f39SVlad Buslov err = -ENOMEM; 301161086f39SVlad Buslov goto out_err; 301261086f39SVlad Buslov } 3013a54e20b4SHadar Hen Zion 3014948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3015d589e785SVlad Buslov init_completion(&e->res_ready); 3016d589e785SVlad Buslov 30171f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3018101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 3019d589e785SVlad Buslov if (err) { 3020d589e785SVlad Buslov kfree(e); 3021d589e785SVlad Buslov e = NULL; 302254c177caSOz Shlomo goto out_err; 3023d589e785SVlad Buslov } 302454c177caSOz Shlomo 3025a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3026d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3027d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3028a54e20b4SHadar Hen Zion 3029ce99f6b9SOr Gerlitz if (family == AF_INET) 3030101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3031ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3032101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3033ce99f6b9SOr Gerlitz 3034d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3035d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3036d589e785SVlad Buslov complete_all(&e->res_ready); 3037d589e785SVlad Buslov if (err) { 3038d589e785SVlad Buslov e->compl_result = err; 3039a54e20b4SHadar Hen Zion goto out_err; 3040d589e785SVlad Buslov } 30413c140dd5SVlad Buslov e->compl_result = 1; 3042a54e20b4SHadar Hen Zion 304345247bf2SOr Gerlitz attach_flow: 3044948993f2SVlad Buslov flow->encaps[out_index].e = e; 30458c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 30468c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 304745247bf2SOr Gerlitz *encap_dev = e->out_dev; 30488c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 30492b688ea5SMaor Gottlieb attr->dests[out_index].pkt_reformat = e->pkt_reformat; 30508c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 30510ad060eeSRoi Dayan *encap_valid = true; 30528c4dc42bSEli Britstein } else { 30530ad060eeSRoi Dayan *encap_valid = false; 30548c4dc42bSEli Britstein } 305561086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 305645247bf2SOr Gerlitz 3057232c0013SHadar Hen Zion return err; 3058a54e20b4SHadar Hen Zion 3059a54e20b4SHadar Hen Zion out_err: 306061086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3061d589e785SVlad Buslov if (e) 3062d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3063a54e20b4SHadar Hen Zion return err; 3064a54e20b4SHadar Hen Zion } 3065a54e20b4SHadar Hen Zion 30661482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 306773867881SPablo Neira Ayuso const struct flow_action_entry *act, 30681482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 30691482bd3dSJianbo Liu u32 *action) 30701482bd3dSJianbo Liu { 3071cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3072cc495188SJianbo Liu 3073cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 30741482bd3dSJianbo Liu return -EOPNOTSUPP; 3075cc495188SJianbo Liu 307673867881SPablo Neira Ayuso switch (act->id) { 307773867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3078cc495188SJianbo Liu if (vlan_idx) { 3079cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3080cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3081cc495188SJianbo Liu return -EOPNOTSUPP; 3082cc495188SJianbo Liu 3083cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3084cc495188SJianbo Liu } else { 3085cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3086cc495188SJianbo Liu } 308773867881SPablo Neira Ayuso break; 308873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 308973867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 309073867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 309173867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3092cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3093cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3094cc495188SJianbo Liu 3095cc495188SJianbo Liu if (vlan_idx) { 3096cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3097cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3098cc495188SJianbo Liu return -EOPNOTSUPP; 3099cc495188SJianbo Liu 3100cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3101cc495188SJianbo Liu } else { 3102cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 310373867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 310473867881SPablo Neira Ayuso act->vlan.prio)) 3105cc495188SJianbo Liu return -EOPNOTSUPP; 3106cc495188SJianbo Liu 3107cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 31081482bd3dSJianbo Liu } 310973867881SPablo Neira Ayuso break; 311073867881SPablo Neira Ayuso default: 3111bdc837eeSEli Britstein return -EINVAL; 31121482bd3dSJianbo Liu } 31131482bd3dSJianbo Liu 3114cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3115cc495188SJianbo Liu 31161482bd3dSJianbo Liu return 0; 31171482bd3dSJianbo Liu } 31181482bd3dSJianbo Liu 3119278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3120278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3121278748a9SEli Britstein struct net_device **out_dev, 3122278748a9SEli Britstein u32 *action) 3123278748a9SEli Britstein { 3124278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3125278748a9SEli Britstein struct flow_action_entry vlan_act = { 3126278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3127278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3128278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3129278748a9SEli Britstein .vlan.prio = 0, 3130278748a9SEli Britstein }; 3131278748a9SEli Britstein int err; 3132278748a9SEli Britstein 3133278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3134278748a9SEli Britstein if (err) 3135278748a9SEli Britstein return err; 3136278748a9SEli Britstein 3137278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3138278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3139278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3140278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3141278748a9SEli Britstein 3142278748a9SEli Britstein return err; 3143278748a9SEli Britstein } 3144278748a9SEli Britstein 314535a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 314635a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 314735a605dbSEli Britstein u32 *action) 314835a605dbSEli Britstein { 314935a605dbSEli Britstein int nest_level = vlan_get_encap_level(attr->parse_attr->filter_dev); 315035a605dbSEli Britstein struct flow_action_entry vlan_act = { 315135a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 315235a605dbSEli Britstein }; 315335a605dbSEli Britstein int err = 0; 315435a605dbSEli Britstein 315535a605dbSEli Britstein while (nest_level--) { 315635a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 315735a605dbSEli Britstein if (err) 315835a605dbSEli Britstein return err; 315935a605dbSEli Britstein } 316035a605dbSEli Britstein 316135a605dbSEli Britstein return err; 316235a605dbSEli Britstein } 316335a605dbSEli Britstein 3164f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3165f6dc1264SPaul Blakey struct net_device *out_dev) 3166f6dc1264SPaul Blakey { 3167f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 3168f6dc1264SPaul Blakey return true; 3169f6dc1264SPaul Blakey 3170f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 3171f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 3172f6dc1264SPaul Blakey } 3173f6dc1264SPaul Blakey 317473867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 317573867881SPablo Neira Ayuso struct flow_action *flow_action, 3176e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3177e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3178a54e20b4SHadar Hen Zion { 317973867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3180bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3181ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 31826f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 31831d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 318473867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 318573867881SPablo Neira Ayuso const struct flow_action_entry *act; 3186a54e20b4SHadar Hen Zion bool encap = false; 31871cab1cd7SOr Gerlitz u32 action = 0; 3188244cd96aSCong Wang int err, i; 318903a9d11eSOr Gerlitz 319073867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 319103a9d11eSOr Gerlitz return -EINVAL; 319203a9d11eSOr Gerlitz 319373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 319473867881SPablo Neira Ayuso switch (act->id) { 319573867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 31961cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 319703a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 319873867881SPablo Neira Ayuso break; 319973867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 320073867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 320173867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3202c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 3203d7e75a32SOr Gerlitz if (err) 3204d7e75a32SOr Gerlitz return err; 3205d7e75a32SOr Gerlitz 32061cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3207e85e02baSEli Britstein attr->split_count = attr->out_count; 320873867881SPablo Neira Ayuso break; 320973867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 32101cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 321173867881SPablo Neira Ayuso act->csum_flags, extack)) 321273867881SPablo Neira Ayuso break; 321326c02749SOr Gerlitz 321426c02749SOr Gerlitz return -EOPNOTSUPP; 321573867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 321673867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 321703a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3218592d3651SChris Mi struct net_device *out_dev; 321903a9d11eSOr Gerlitz 322073867881SPablo Neira Ayuso out_dev = act->dev; 3221ef381359SOz Shlomo if (!out_dev) { 3222ef381359SOz Shlomo /* out_dev is NULL when filters with 3223ef381359SOz Shlomo * non-existing mirred device are replayed to 3224ef381359SOz Shlomo * the driver. 3225ef381359SOz Shlomo */ 3226ef381359SOz Shlomo return -EINVAL; 3227ef381359SOz Shlomo } 322803a9d11eSOr Gerlitz 3229592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3230e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3231e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 3232592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 3233592d3651SChris Mi attr->out_count); 3234592d3651SChris Mi return -EOPNOTSUPP; 3235592d3651SChris Mi } 3236592d3651SChris Mi 3237f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3238f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3239f6dc1264SPaul Blakey if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 32407ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 32417ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 3242fa833bd5SVlad Buslov struct net_device *uplink_upper; 32437ba58ba7SRabie Loulou 3244fa833bd5SVlad Buslov rcu_read_lock(); 3245fa833bd5SVlad Buslov uplink_upper = 3246fa833bd5SVlad Buslov netdev_master_upper_dev_get_rcu(uplink_dev); 32477ba58ba7SRabie Loulou if (uplink_upper && 32487ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 32497ba58ba7SRabie Loulou uplink_upper == out_dev) 32507ba58ba7SRabie Loulou out_dev = uplink_dev; 3251fa833bd5SVlad Buslov rcu_read_unlock(); 32527ba58ba7SRabie Loulou 3253278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3254278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3255278748a9SEli Britstein &out_dev, 3256278748a9SEli Britstein &action); 3257278748a9SEli Britstein if (err) 3258278748a9SEli Britstein return err; 3259278748a9SEli Britstein } 3260f6dc1264SPaul Blakey 326135a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 326235a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 326335a605dbSEli Britstein &action); 326435a605dbSEli Britstein if (err) 326535a605dbSEli Britstein return err; 326635a605dbSEli Britstein } 3267278748a9SEli Britstein 3268f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3269f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3270f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 3271f6dc1264SPaul Blakey pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3272f6dc1264SPaul Blakey priv->netdev->name, out_dev->name); 3273a0646c88SEli Britstein return -EOPNOTSUPP; 3274f6dc1264SPaul Blakey } 3275a0646c88SEli Britstein 327603a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 32771d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3278df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 3279df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 3280df65a573SEli Britstein attr->out_count++; 3281a54e20b4SHadar Hen Zion } else if (encap) { 32828c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 32838c4dc42bSEli Britstein out_dev->ifindex; 32841f6da306SYevgeny Kliteynik parse_attr->tun_info[attr->out_count] = info; 32858c4dc42bSEli Britstein encap = false; 3286f493f155SEli Britstein attr->dests[attr->out_count].flags |= 3287f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 32881cc26d74SEli Britstein attr->out_count++; 3289df65a573SEli Britstein /* attr->dests[].rep is resolved when we 3290df65a573SEli Britstein * handle encap 3291df65a573SEli Britstein */ 3292ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3293ef381359SOz Shlomo /* All mlx5 devices are called to configure 3294ef381359SOz Shlomo * high level device filters. Therefore, the 3295ef381359SOz Shlomo * *attempt* to install a filter on invalid 3296ef381359SOz Shlomo * eswitch should not trigger an explicit error 3297ef381359SOz Shlomo */ 3298ef381359SOz Shlomo return -EINVAL; 3299a54e20b4SHadar Hen Zion } else { 3300e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3301e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 3302a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3303a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 3304a54e20b4SHadar Hen Zion return -EINVAL; 3305a54e20b4SHadar Hen Zion } 3306a54e20b4SHadar Hen Zion } 330773867881SPablo Neira Ayuso break; 330873867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 330973867881SPablo Neira Ayuso info = act->tunnel; 3310a54e20b4SHadar Hen Zion if (info) 3311a54e20b4SHadar Hen Zion encap = true; 3312a54e20b4SHadar Hen Zion else 3313a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 331403a9d11eSOr Gerlitz 331573867881SPablo Neira Ayuso break; 331673867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 331773867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 331876b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 331976b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 332076b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 332176b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 332276b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 332376b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 332476b496b1SEli Britstein act, parse_attr, hdrs, 332576b496b1SEli Britstein &action, extack); 332676b496b1SEli Britstein } else { 332773867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 332876b496b1SEli Britstein } 33291482bd3dSJianbo Liu if (err) 33301482bd3dSJianbo Liu return err; 33311482bd3dSJianbo Liu 3332e85e02baSEli Britstein attr->split_count = attr->out_count; 333373867881SPablo Neira Ayuso break; 3334bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3335bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3336bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3337bdc837eeSEli Britstein act, parse_attr, hdrs, 3338bdc837eeSEli Britstein &action, extack); 3339bdc837eeSEli Britstein if (err) 3340bdc837eeSEli Britstein return err; 3341bdc837eeSEli Britstein 3342bdc837eeSEli Britstein attr->split_count = attr->out_count; 3343bdc837eeSEli Britstein break; 334473867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 33451cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 334673867881SPablo Neira Ayuso break; 334773867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 334873867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 3349bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 3350bf07aa73SPaul Blakey 3351bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 3352bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 3353bf07aa73SPaul Blakey return -EOPNOTSUPP; 3354bf07aa73SPaul Blakey } 3355bf07aa73SPaul Blakey if (dest_chain > max_chain) { 3356bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 3357bf07aa73SPaul Blakey return -EOPNOTSUPP; 3358bf07aa73SPaul Blakey } 3359e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3360bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 336173867881SPablo Neira Ayuso break; 3362bf07aa73SPaul Blakey } 336373867881SPablo Neira Ayuso default: 33642cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 33652cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 336603a9d11eSOr Gerlitz } 336773867881SPablo Neira Ayuso } 3368bdd66ac0SOr Gerlitz 33690bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 33700bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 33710bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 33720bac1194SEli Britstein * tag rewrite. 33730bac1194SEli Britstein */ 33740bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 33750bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 33760bac1194SEli Britstein &action, extack); 33770bac1194SEli Britstein if (err) 33780bac1194SEli Britstein return err; 33790bac1194SEli Britstein } 33800bac1194SEli Britstein 3381c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3382c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 338384be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 338427c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3385c500c86bSPablo Neira Ayuso if (err) 3386c500c86bSPablo Neira Ayuso return err; 338727c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 338827c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 338927c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 339027c11b6bSEli Britstein */ 339127c11b6bSEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 339227c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3393e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 339427c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 339527c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 339627c11b6bSEli Britstein attr->split_count = 0; 339727c11b6bSEli Britstein } 3398c500c86bSPablo Neira Ayuso } 3399c500c86bSPablo Neira Ayuso 34001cab1cd7SOr Gerlitz attr->action = action; 340173867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3402bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3403bdd66ac0SOr Gerlitz 3404e88afe75SOr Gerlitz if (attr->dest_chain) { 3405e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3406e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3407e88afe75SOr Gerlitz return -EOPNOTSUPP; 3408e88afe75SOr Gerlitz } 3409e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3410e88afe75SOr Gerlitz } 3411e88afe75SOr Gerlitz 3412e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3413e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3414e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3415592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3416592d3651SChris Mi return -EOPNOTSUPP; 3417592d3651SChris Mi } 3418592d3651SChris Mi 341931c8eba5SOr Gerlitz return 0; 342003a9d11eSOr Gerlitz } 342103a9d11eSOr Gerlitz 3422226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 342360bd4af8SOr Gerlitz { 3424226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 342560bd4af8SOr Gerlitz 3426226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3427226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3428226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3429226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 343060bd4af8SOr Gerlitz 3431226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3432226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3433226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3434226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3435d9ee0491SOr Gerlitz 343660bd4af8SOr Gerlitz *flow_flags = __flow_flags; 343760bd4af8SOr Gerlitz } 343860bd4af8SOr Gerlitz 343905866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 344005866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 344105866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 344205866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 344305866c82SOr Gerlitz .automatic_shrinking = true, 344405866c82SOr Gerlitz }; 344505866c82SOr Gerlitz 3446226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3447226f2ca3SVlad Buslov unsigned long flags) 344805866c82SOr Gerlitz { 3449655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3450655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3451655dc3d2SOr Gerlitz 3452226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3453655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3454ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3455d9ee0491SOr Gerlitz } else /* NIC offload */ 345605866c82SOr Gerlitz return &priv->fs.tc.ht; 345705866c82SOr Gerlitz } 345805866c82SOr Gerlitz 345904de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 346004de7ddaSRoi Dayan { 34611418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3462b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 3463226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 34641418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 34651418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 34661418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 34671418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 34681418ddd9SAviv Heller 346910fbb1cdSRoi Dayan if (!esw_paired) 347010fbb1cdSRoi Dayan return false; 347110fbb1cdSRoi Dayan 347210fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 347310fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 347410fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 347510fbb1cdSRoi Dayan return true; 347610fbb1cdSRoi Dayan 347710fbb1cdSRoi Dayan return false; 347804de7ddaSRoi Dayan } 347904de7ddaSRoi Dayan 3480a88780a9SRoi Dayan static int 3481a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3482226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3483a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3484a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3485e3a2b7edSAmir Vadai { 348617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 34873bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 34885a7e5bcbSVlad Buslov int out_index, err; 3489776b12b6SOr Gerlitz 349065ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 34911b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 349217091853SOr Gerlitz if (!parse_attr || !flow) { 3493e3a2b7edSAmir Vadai err = -ENOMEM; 3494e3a2b7edSAmir Vadai goto err_free; 3495e3a2b7edSAmir Vadai } 3496e3a2b7edSAmir Vadai 3497e3a2b7edSAmir Vadai flow->cookie = f->cookie; 349865ba8fb7SOr Gerlitz flow->flags = flow_flags; 3499655dc3d2SOr Gerlitz flow->priv = priv; 35005a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 35015a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 35025a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 35035a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 35045a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 350595435ad7SVlad Buslov init_completion(&flow->init_done); 3506e3a2b7edSAmir Vadai 3507a88780a9SRoi Dayan *__flow = flow; 3508a88780a9SRoi Dayan *__parse_attr = parse_attr; 3509a88780a9SRoi Dayan 3510a88780a9SRoi Dayan return 0; 3511a88780a9SRoi Dayan 3512a88780a9SRoi Dayan err_free: 3513a88780a9SRoi Dayan kfree(flow); 3514a88780a9SRoi Dayan kvfree(parse_attr); 3515a88780a9SRoi Dayan return err; 3516adb4c123SOr Gerlitz } 3517adb4c123SOr Gerlitz 3518988ab9c7STonghao Zhang static void 3519988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 3520988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3521988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3522f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3523988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3524988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3525988ab9c7STonghao Zhang { 3526988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3527988ab9c7STonghao Zhang 3528988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 3529988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 3530ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 3531988ab9c7STonghao Zhang 3532988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3533988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3534988ab9c7STonghao Zhang 3535988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3536988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3537988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3538988ab9c7STonghao Zhang else 3539988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3540988ab9c7STonghao Zhang } 3541988ab9c7STonghao Zhang 354271129676SJason Gunthorpe static struct mlx5e_tc_flow * 354304de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3544f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3545226f2ca3SVlad Buslov unsigned long flow_flags, 3546d11afc26SOz Shlomo struct net_device *filter_dev, 354704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 354871129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3549a88780a9SRoi Dayan { 3550f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3551a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3552a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3553a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3554a88780a9SRoi Dayan int attr_size, err; 3555a88780a9SRoi Dayan 3556226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3557a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3558a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3559a88780a9SRoi Dayan &parse_attr, &flow); 3560a88780a9SRoi Dayan if (err) 3561a88780a9SRoi Dayan goto out; 3562988ab9c7STonghao Zhang 3563d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3564988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 3565988ab9c7STonghao Zhang priv, parse_attr, 3566988ab9c7STonghao Zhang f, in_rep, in_mdev); 3567988ab9c7STonghao Zhang 356854c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 356954c177caSOz Shlomo f, filter_dev); 3570d11afc26SOz Shlomo if (err) 3571d11afc26SOz Shlomo goto err_free; 3572a88780a9SRoi Dayan 35736f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 3574a88780a9SRoi Dayan if (err) 3575a88780a9SRoi Dayan goto err_free; 3576a88780a9SRoi Dayan 35777040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 357895435ad7SVlad Buslov complete_all(&flow->init_done); 3579ef06c9eeSRoi Dayan if (err) { 3580ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3581aa0cbbaeSOr Gerlitz goto err_free; 35825c40348cSOr Gerlitz 3583b4a23329SRoi Dayan add_unready_flow(flow); 3584ef06c9eeSRoi Dayan } 3585ef06c9eeSRoi Dayan 358671129676SJason Gunthorpe return flow; 3587e3a2b7edSAmir Vadai 3588e3a2b7edSAmir Vadai err_free: 35895a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3590a88780a9SRoi Dayan out: 359171129676SJason Gunthorpe return ERR_PTR(err); 3592a88780a9SRoi Dayan } 3593a88780a9SRoi Dayan 3594f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 359595dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 3596226f2ca3SVlad Buslov unsigned long flow_flags) 359704de7ddaSRoi Dayan { 359804de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 359904de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 360004de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 360104de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 360204de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 360304de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 360404de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 360504de7ddaSRoi Dayan int err = 0; 360604de7ddaSRoi Dayan 360704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 360804de7ddaSRoi Dayan if (!peer_esw) 360904de7ddaSRoi Dayan return -ENODEV; 361004de7ddaSRoi Dayan 361104de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 361204de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 361304de7ddaSRoi Dayan 361404de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 361504de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 361604de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 361704de7ddaSRoi Dayan * peer mdev. 361804de7ddaSRoi Dayan */ 3619b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 362004de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 362104de7ddaSRoi Dayan else 362204de7ddaSRoi Dayan in_mdev = priv->mdev; 362304de7ddaSRoi Dayan 362404de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 362595dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 362604de7ddaSRoi Dayan parse_attr->filter_dev, 362771129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 362871129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 362971129676SJason Gunthorpe err = PTR_ERR(peer_flow); 363004de7ddaSRoi Dayan goto out; 363171129676SJason Gunthorpe } 363204de7ddaSRoi Dayan 363304de7ddaSRoi Dayan flow->peer_flow = peer_flow; 3634226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 363504de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 363604de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 363704de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 363804de7ddaSRoi Dayan 363904de7ddaSRoi Dayan out: 364004de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 364104de7ddaSRoi Dayan return err; 364204de7ddaSRoi Dayan } 364304de7ddaSRoi Dayan 364404de7ddaSRoi Dayan static int 364504de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3646f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3647226f2ca3SVlad Buslov unsigned long flow_flags, 364804de7ddaSRoi Dayan struct net_device *filter_dev, 364904de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 365004de7ddaSRoi Dayan { 365104de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 365204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 365304de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 365404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 365504de7ddaSRoi Dayan int err; 365604de7ddaSRoi Dayan 365771129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 365871129676SJason Gunthorpe in_mdev); 365971129676SJason Gunthorpe if (IS_ERR(flow)) 366071129676SJason Gunthorpe return PTR_ERR(flow); 366104de7ddaSRoi Dayan 366204de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 366395dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 366404de7ddaSRoi Dayan if (err) { 366504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 366604de7ddaSRoi Dayan goto out; 366704de7ddaSRoi Dayan } 366804de7ddaSRoi Dayan } 366904de7ddaSRoi Dayan 367004de7ddaSRoi Dayan *__flow = flow; 367104de7ddaSRoi Dayan 367204de7ddaSRoi Dayan return 0; 367304de7ddaSRoi Dayan 367404de7ddaSRoi Dayan out: 367504de7ddaSRoi Dayan return err; 367604de7ddaSRoi Dayan } 367704de7ddaSRoi Dayan 3678a88780a9SRoi Dayan static int 3679a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3680f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3681226f2ca3SVlad Buslov unsigned long flow_flags, 3682d11afc26SOz Shlomo struct net_device *filter_dev, 3683a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3684a88780a9SRoi Dayan { 3685f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3686a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3687a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3688a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3689a88780a9SRoi Dayan int attr_size, err; 3690a88780a9SRoi Dayan 3691bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3692bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3693bf07aa73SPaul Blakey return -EOPNOTSUPP; 3694bf07aa73SPaul Blakey 3695226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3696a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3697a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3698a88780a9SRoi Dayan &parse_attr, &flow); 3699a88780a9SRoi Dayan if (err) 3700a88780a9SRoi Dayan goto out; 3701a88780a9SRoi Dayan 3702d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 370354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 370454c177caSOz Shlomo f, filter_dev); 3705d11afc26SOz Shlomo if (err) 3706d11afc26SOz Shlomo goto err_free; 3707d11afc26SOz Shlomo 370873867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3709a88780a9SRoi Dayan if (err) 3710a88780a9SRoi Dayan goto err_free; 3711a88780a9SRoi Dayan 3712a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3713a88780a9SRoi Dayan if (err) 3714a88780a9SRoi Dayan goto err_free; 3715a88780a9SRoi Dayan 3716226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 3717a88780a9SRoi Dayan kvfree(parse_attr); 3718a88780a9SRoi Dayan *__flow = flow; 3719a88780a9SRoi Dayan 3720a88780a9SRoi Dayan return 0; 3721a88780a9SRoi Dayan 3722a88780a9SRoi Dayan err_free: 37235a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3724a88780a9SRoi Dayan kvfree(parse_attr); 3725a88780a9SRoi Dayan out: 3726a88780a9SRoi Dayan return err; 3727a88780a9SRoi Dayan } 3728a88780a9SRoi Dayan 3729a88780a9SRoi Dayan static int 3730a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3731f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3732226f2ca3SVlad Buslov unsigned long flags, 3733d11afc26SOz Shlomo struct net_device *filter_dev, 3734a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3735a88780a9SRoi Dayan { 3736a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3737226f2ca3SVlad Buslov unsigned long flow_flags; 3738a88780a9SRoi Dayan int err; 3739a88780a9SRoi Dayan 3740a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3741a88780a9SRoi Dayan 3742bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3743bf07aa73SPaul Blakey return -EOPNOTSUPP; 3744bf07aa73SPaul Blakey 3745f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3746d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3747d11afc26SOz Shlomo filter_dev, flow); 3748a88780a9SRoi Dayan else 3749d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3750d11afc26SOz Shlomo filter_dev, flow); 3751a88780a9SRoi Dayan 3752a88780a9SRoi Dayan return err; 3753a88780a9SRoi Dayan } 3754a88780a9SRoi Dayan 375571d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3756226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3757a88780a9SRoi Dayan { 3758a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3759d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3760a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3761a88780a9SRoi Dayan int err = 0; 3762a88780a9SRoi Dayan 3763c5d326b2SVlad Buslov rcu_read_lock(); 3764c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3765c5d326b2SVlad Buslov rcu_read_unlock(); 3766a88780a9SRoi Dayan if (flow) { 3767a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3768a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3769a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3770a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3771a88780a9SRoi Dayan f->cookie); 37720e1c1a2fSVlad Buslov err = -EEXIST; 3773a88780a9SRoi Dayan goto out; 3774a88780a9SRoi Dayan } 3775a88780a9SRoi Dayan 37767a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 3777d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3778a88780a9SRoi Dayan if (err) 3779a88780a9SRoi Dayan goto out; 3780a88780a9SRoi Dayan 3781c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 3782a88780a9SRoi Dayan if (err) 3783a88780a9SRoi Dayan goto err_free; 3784a88780a9SRoi Dayan 3785a88780a9SRoi Dayan return 0; 3786a88780a9SRoi Dayan 3787a88780a9SRoi Dayan err_free: 37885a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3789a88780a9SRoi Dayan out: 3790e3a2b7edSAmir Vadai return err; 3791e3a2b7edSAmir Vadai } 3792e3a2b7edSAmir Vadai 37938f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 37948f8ae895SOr Gerlitz { 3795226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 3796226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 37978f8ae895SOr Gerlitz 3798226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 3799226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 38008f8ae895SOr Gerlitz } 38018f8ae895SOr Gerlitz 380271d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 3803226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3804e3a2b7edSAmir Vadai { 3805d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3806e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3807c5d326b2SVlad Buslov int err; 3808e3a2b7edSAmir Vadai 3809c5d326b2SVlad Buslov rcu_read_lock(); 381005866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3811c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 3812c5d326b2SVlad Buslov err = -EINVAL; 3813c5d326b2SVlad Buslov goto errout; 3814c5d326b2SVlad Buslov } 3815e3a2b7edSAmir Vadai 3816c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 3817c5d326b2SVlad Buslov * set. 3818c5d326b2SVlad Buslov */ 3819c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 3820c5d326b2SVlad Buslov err = -EINVAL; 3821c5d326b2SVlad Buslov goto errout; 3822c5d326b2SVlad Buslov } 382305866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3824c5d326b2SVlad Buslov rcu_read_unlock(); 3825e3a2b7edSAmir Vadai 38267a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 38275a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3828e3a2b7edSAmir Vadai 3829e3a2b7edSAmir Vadai return 0; 3830c5d326b2SVlad Buslov 3831c5d326b2SVlad Buslov errout: 3832c5d326b2SVlad Buslov rcu_read_unlock(); 3833c5d326b2SVlad Buslov return err; 3834e3a2b7edSAmir Vadai } 3835e3a2b7edSAmir Vadai 383671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 3837226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3838aad7e08dSAmir Vadai { 383904de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3840d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 384104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3842aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3843aad7e08dSAmir Vadai struct mlx5_fc *counter; 3844316d5f72SRoi Dayan u64 lastuse = 0; 3845316d5f72SRoi Dayan u64 packets = 0; 3846316d5f72SRoi Dayan u64 bytes = 0; 38475a7e5bcbSVlad Buslov int err = 0; 3848aad7e08dSAmir Vadai 3849c5d326b2SVlad Buslov rcu_read_lock(); 3850c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 38515a7e5bcbSVlad Buslov tc_ht_params)); 3852c5d326b2SVlad Buslov rcu_read_unlock(); 38535a7e5bcbSVlad Buslov if (IS_ERR(flow)) 38545a7e5bcbSVlad Buslov return PTR_ERR(flow); 38555a7e5bcbSVlad Buslov 38565a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 38575a7e5bcbSVlad Buslov err = -EINVAL; 38585a7e5bcbSVlad Buslov goto errout; 38595a7e5bcbSVlad Buslov } 3860aad7e08dSAmir Vadai 3861226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 3862b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3863aad7e08dSAmir Vadai if (!counter) 38645a7e5bcbSVlad Buslov goto errout; 3865aad7e08dSAmir Vadai 3866aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3867316d5f72SRoi Dayan } 3868aad7e08dSAmir Vadai 3869316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3870316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3871316d5f72SRoi Dayan */ 387204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 387304de7ddaSRoi Dayan if (!peer_esw) 387404de7ddaSRoi Dayan goto out; 387504de7ddaSRoi Dayan 3876226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 3877226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 387804de7ddaSRoi Dayan u64 bytes2; 387904de7ddaSRoi Dayan u64 packets2; 388004de7ddaSRoi Dayan u64 lastuse2; 388104de7ddaSRoi Dayan 388204de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3883316d5f72SRoi Dayan if (!counter) 3884316d5f72SRoi Dayan goto no_peer_counter; 388504de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 388604de7ddaSRoi Dayan 388704de7ddaSRoi Dayan bytes += bytes2; 388804de7ddaSRoi Dayan packets += packets2; 388904de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 389004de7ddaSRoi Dayan } 389104de7ddaSRoi Dayan 3892316d5f72SRoi Dayan no_peer_counter: 389304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 389404de7ddaSRoi Dayan out: 38953b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 38967a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 38975a7e5bcbSVlad Buslov errout: 38985a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 38995a7e5bcbSVlad Buslov return err; 3900aad7e08dSAmir Vadai } 3901aad7e08dSAmir Vadai 3902fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 3903fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 3904fcb64c0fSEli Cohen { 3905fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3906fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 3907fcb64c0fSEli Cohen u16 vport_num; 3908fcb64c0fSEli Cohen u32 rate_mbps; 3909fcb64c0fSEli Cohen int err; 3910fcb64c0fSEli Cohen 3911fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 3912fcb64c0fSEli Cohen /* rate is given in bytes/sec. 3913fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 3914fcb64c0fSEli Cohen * mbit means million bits. 3915fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 3916fcb64c0fSEli Cohen * 1 mbit/sec. 3917fcb64c0fSEli Cohen */ 3918fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 3919fcb64c0fSEli Cohen vport_num = rpriv->rep->vport; 3920fcb64c0fSEli Cohen 3921fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 3922fcb64c0fSEli Cohen if (err) 3923fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 3924fcb64c0fSEli Cohen 3925fcb64c0fSEli Cohen return err; 3926fcb64c0fSEli Cohen } 3927fcb64c0fSEli Cohen 3928fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 3929fcb64c0fSEli Cohen struct flow_action *flow_action, 3930fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 3931fcb64c0fSEli Cohen { 3932fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3933fcb64c0fSEli Cohen const struct flow_action_entry *act; 3934fcb64c0fSEli Cohen int err; 3935fcb64c0fSEli Cohen int i; 3936fcb64c0fSEli Cohen 3937fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 3938fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 3939fcb64c0fSEli Cohen return -EINVAL; 3940fcb64c0fSEli Cohen } 3941fcb64c0fSEli Cohen 3942fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 3943fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 3944fcb64c0fSEli Cohen return -EOPNOTSUPP; 3945fcb64c0fSEli Cohen } 3946fcb64c0fSEli Cohen 3947fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 3948fcb64c0fSEli Cohen switch (act->id) { 3949fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 3950fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 3951fcb64c0fSEli Cohen if (err) 3952fcb64c0fSEli Cohen return err; 3953fcb64c0fSEli Cohen 3954fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 3955fcb64c0fSEli Cohen break; 3956fcb64c0fSEli Cohen default: 3957fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 3958fcb64c0fSEli Cohen return -EOPNOTSUPP; 3959fcb64c0fSEli Cohen } 3960fcb64c0fSEli Cohen } 3961fcb64c0fSEli Cohen 3962fcb64c0fSEli Cohen return 0; 3963fcb64c0fSEli Cohen } 3964fcb64c0fSEli Cohen 3965fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 3966fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3967fcb64c0fSEli Cohen { 3968fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 3969fcb64c0fSEli Cohen int prio = TC_H_MAJ(ma->common.prio) >> 16; 3970fcb64c0fSEli Cohen 3971fcb64c0fSEli Cohen if (prio != 1) { 3972fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 3973fcb64c0fSEli Cohen return -EINVAL; 3974fcb64c0fSEli Cohen } 3975fcb64c0fSEli Cohen 3976fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 3977fcb64c0fSEli Cohen } 3978fcb64c0fSEli Cohen 3979fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 3980fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3981fcb64c0fSEli Cohen { 3982fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 3983fcb64c0fSEli Cohen 3984fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 3985fcb64c0fSEli Cohen } 3986fcb64c0fSEli Cohen 3987fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 3988fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3989fcb64c0fSEli Cohen { 3990fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3991fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 3992fcb64c0fSEli Cohen u64 dbytes; 3993fcb64c0fSEli Cohen u64 dpkts; 3994fcb64c0fSEli Cohen 3995fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 3996fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 3997fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 3998fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 3999fcb64c0fSEli Cohen flow_stats_update(&ma->stats, dpkts, dbytes, jiffies); 4000fcb64c0fSEli Cohen } 4001fcb64c0fSEli Cohen 40024d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 40034d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 40044d8fcf21SAlaa Hleihel { 40054d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4006db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4007db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 40084d8fcf21SAlaa Hleihel u16 peer_vhca_id; 40094d8fcf21SAlaa Hleihel int bkt; 40104d8fcf21SAlaa Hleihel 40114d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 40124d8fcf21SAlaa Hleihel return; 40134d8fcf21SAlaa Hleihel 40144d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 40154d8fcf21SAlaa Hleihel 4016b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4017db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4018db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4019db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4020b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4021db76ca24SVlad Buslov 4022db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4023db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4024db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4025db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4026db76ca24SVlad Buslov 4027db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4028db76ca24SVlad Buslov } 40294d8fcf21SAlaa Hleihel } 40304d8fcf21SAlaa Hleihel 40314d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 40324d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 40334d8fcf21SAlaa Hleihel { 40344d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 40354d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 40364d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 40374d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 40384d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 40394d8fcf21SAlaa Hleihel 40404d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 40414d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 40424d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 40434d8fcf21SAlaa Hleihel return NOTIFY_DONE; 40444d8fcf21SAlaa Hleihel 40454d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 40464d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 40474d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 40484d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 40494d8fcf21SAlaa Hleihel if (priv == peer_priv || 40504d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 40514d8fcf21SAlaa Hleihel return NOTIFY_DONE; 40524d8fcf21SAlaa Hleihel 40534d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 40544d8fcf21SAlaa Hleihel 40554d8fcf21SAlaa Hleihel return NOTIFY_DONE; 40564d8fcf21SAlaa Hleihel } 40574d8fcf21SAlaa Hleihel 4058655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4059e8f887acSAmir Vadai { 4060acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 40614d8fcf21SAlaa Hleihel int err; 4062e8f887acSAmir Vadai 4063b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4064d2faae25SVlad Buslov mutex_init(&tc->mod_hdr.lock); 4065dd58edc3SVlad Buslov hash_init(tc->mod_hdr.hlist); 4066b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 40675c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 406811c9c548SOr Gerlitz 40694d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 40704d8fcf21SAlaa Hleihel if (err) 40714d8fcf21SAlaa Hleihel return err; 40724d8fcf21SAlaa Hleihel 40734d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 40744d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 40754d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 40764d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 40774d8fcf21SAlaa Hleihel } 40784d8fcf21SAlaa Hleihel 40794d8fcf21SAlaa Hleihel return err; 4080e8f887acSAmir Vadai } 4081e8f887acSAmir Vadai 4082e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4083e8f887acSAmir Vadai { 4084e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4085655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4086e8f887acSAmir Vadai 4087961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4088e8f887acSAmir Vadai kfree(flow); 4089e8f887acSAmir Vadai } 4090e8f887acSAmir Vadai 4091655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4092e8f887acSAmir Vadai { 4093acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4094e8f887acSAmir Vadai 40954d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 40964d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 40974d8fcf21SAlaa Hleihel 4098d2faae25SVlad Buslov mutex_destroy(&tc->mod_hdr.lock); 4099b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4100b32accdaSVlad Buslov 4101d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4102e8f887acSAmir Vadai 4103acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4104acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4105acff797cSMaor Gottlieb tc->t = NULL; 4106e8f887acSAmir Vadai } 4107b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4108e8f887acSAmir Vadai } 4109655dc3d2SOr Gerlitz 4110655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4111655dc3d2SOr Gerlitz { 4112655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 4113655dc3d2SOr Gerlitz } 4114655dc3d2SOr Gerlitz 4115655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4116655dc3d2SOr Gerlitz { 4117655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 4118655dc3d2SOr Gerlitz } 411901252a27SOr Gerlitz 4120226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 412101252a27SOr Gerlitz { 4122d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 412301252a27SOr Gerlitz 412401252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 412501252a27SOr Gerlitz } 412604de7ddaSRoi Dayan 412704de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 412804de7ddaSRoi Dayan { 412904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 413004de7ddaSRoi Dayan 413104de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 413204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 413304de7ddaSRoi Dayan } 4134b4a23329SRoi Dayan 4135b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4136b4a23329SRoi Dayan { 4137b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4138b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4139b4a23329SRoi Dayan reoffload_flows_work); 4140b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4141b4a23329SRoi Dayan 4142ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4143b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4144b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4145ad86755bSVlad Buslov unready_flow_del(flow); 4146b4a23329SRoi Dayan } 4147ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4148b4a23329SRoi Dayan } 4149