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" 59e8f887acSAmir Vadai 603bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 613bc4b7bfSOr Gerlitz u32 action; 623bc4b7bfSOr Gerlitz u32 flow_tag; 632f4fe4caSOr Gerlitz u32 mod_hdr_id; 645c65c564SOr Gerlitz u32 hairpin_tirn; 6538aa51c1SOr Gerlitz u8 match_level; 663f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 67b8aee822SMark Bloch struct mlx5_fc *counter; 683bc4b7bfSOr Gerlitz }; 693bc4b7bfSOr Gerlitz 70226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 7160bd4af8SOr Gerlitz 7265ba8fb7SOr Gerlitz enum { 73226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 74226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 75226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 76226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 77226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 78226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 79226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 80226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 81226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 82226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 83c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 8465ba8fb7SOr Gerlitz }; 8565ba8fb7SOr Gerlitz 86e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 87e4ad91f2SChris Mi 8879baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 8979baaec7SEli Britstein * Containing struct 9079baaec7SEli Britstein * |- Helper array 9179baaec7SEli Britstein * [0] Helper item 0 9279baaec7SEli Britstein * |- list_head item 0 9379baaec7SEli Britstein * |- index (0) 9479baaec7SEli Britstein * [1] Helper item 1 9579baaec7SEli Britstein * |- list_head item 1 9679baaec7SEli Britstein * |- index (1) 9779baaec7SEli Britstein * To access the containing struct from one of the list_head items: 9879baaec7SEli Britstein * 1. Get the helper item from the list_head item using 9979baaec7SEli Britstein * helper item = 10079baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 10179baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 10279baaec7SEli Britstein * containing struct = 10379baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 10479baaec7SEli Britstein */ 10579baaec7SEli Britstein struct encap_flow_item { 106948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 10779baaec7SEli Britstein struct list_head list; 10879baaec7SEli Britstein int index; 10979baaec7SEli Britstein }; 11079baaec7SEli Britstein 111e8f887acSAmir Vadai struct mlx5e_tc_flow { 112e8f887acSAmir Vadai struct rhash_head node; 113655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 114e8f887acSAmir Vadai u64 cookie; 115226f2ca3SVlad Buslov unsigned long flags; 116e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11779baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 11879baaec7SEli Britstein * The number of encaps is bounded by the number of supported 11979baaec7SEli Britstein * destinations. 12079baaec7SEli Britstein */ 12179baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 12204de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 123dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh; /* attached mod header instance */ 12411c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 125e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1265c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 12704de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 128b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1295a7e5bcbSVlad Buslov refcount_t refcnt; 130c5d326b2SVlad Buslov struct rcu_head rcu_head; 1313bc4b7bfSOr Gerlitz union { 132ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1333bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1343bc4b7bfSOr Gerlitz }; 135e8f887acSAmir Vadai }; 136e8f887acSAmir Vadai 13717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1381f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 139d11afc26SOz Shlomo struct net_device *filter_dev; 14017091853SOr Gerlitz struct mlx5_flow_spec spec; 141d79b6df6SOr Gerlitz int num_mod_hdr_actions; 142218d05ceSTonghao Zhang int max_mod_hdr_actions; 143d79b6df6SOr Gerlitz void *mod_hdr_actions; 14498b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 14517091853SOr Gerlitz }; 14617091853SOr Gerlitz 147acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 148b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 149e8f887acSAmir Vadai 15077ab67b7SOr Gerlitz struct mlx5e_hairpin { 15177ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 15277ab67b7SOr Gerlitz 15377ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1543f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 15577ab67b7SOr Gerlitz u32 tdn; 15677ab67b7SOr Gerlitz u32 tirn; 1573f6d08d1SOr Gerlitz 1583f6d08d1SOr Gerlitz int num_channels; 1593f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1603f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1613f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 16277ab67b7SOr Gerlitz }; 16377ab67b7SOr Gerlitz 1645c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1655c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1665c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1675c65c564SOr Gerlitz 16873edca73SVlad Buslov /* protects flows list */ 16973edca73SVlad Buslov spinlock_t flows_lock; 1705c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1715c65c564SOr Gerlitz struct list_head flows; 172db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 173db76ca24SVlad Buslov * function traversed them. 174db76ca24SVlad Buslov */ 175db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 1765c65c564SOr Gerlitz 177d8822868SOr Gerlitz u16 peer_vhca_id; 178106be53bSOr Gerlitz u8 prio; 1795c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 180e4f9abbdSVlad Buslov refcount_t refcnt; 181db76ca24SVlad Buslov struct completion res_ready; 1825c65c564SOr Gerlitz }; 1835c65c564SOr Gerlitz 18411c9c548SOr Gerlitz struct mod_hdr_key { 18511c9c548SOr Gerlitz int num_actions; 18611c9c548SOr Gerlitz void *actions; 18711c9c548SOr Gerlitz }; 18811c9c548SOr Gerlitz 18911c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 19011c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 19111c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 19211c9c548SOr Gerlitz 19383a52f0dSVlad Buslov /* protects flows list */ 19483a52f0dSVlad Buslov spinlock_t flows_lock; 19511c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 19611c9c548SOr Gerlitz struct list_head flows; 19711c9c548SOr Gerlitz 19811c9c548SOr Gerlitz struct mod_hdr_key key; 19911c9c548SOr Gerlitz 20011c9c548SOr Gerlitz u32 mod_hdr_id; 201dd58edc3SVlad Buslov 202dd58edc3SVlad Buslov refcount_t refcnt; 203a734d007SVlad Buslov struct completion res_ready; 204a734d007SVlad Buslov int compl_result; 20511c9c548SOr Gerlitz }; 20611c9c548SOr Gerlitz 20711c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 20811c9c548SOr Gerlitz 2095a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2105a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 2115a7e5bcbSVlad Buslov 2125a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 2135a7e5bcbSVlad Buslov { 2145a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 2155a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 2165a7e5bcbSVlad Buslov return flow; 2175a7e5bcbSVlad Buslov } 2185a7e5bcbSVlad Buslov 2195a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 2205a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 2215a7e5bcbSVlad Buslov { 2225a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 2235a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 224c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 2255a7e5bcbSVlad Buslov } 2265a7e5bcbSVlad Buslov } 2275a7e5bcbSVlad Buslov 228226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 229226f2ca3SVlad Buslov { 230226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 231226f2ca3SVlad Buslov smp_mb__before_atomic(); 232226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 233226f2ca3SVlad Buslov } 234226f2ca3SVlad Buslov 235226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 236226f2ca3SVlad Buslov 237c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 238c5d326b2SVlad Buslov unsigned long flag) 239c5d326b2SVlad Buslov { 240c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 241c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 242c5d326b2SVlad Buslov } 243c5d326b2SVlad Buslov 244c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 245c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 246c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 247c5d326b2SVlad Buslov 248226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 249226f2ca3SVlad Buslov { 250226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 251226f2ca3SVlad Buslov smp_mb__before_atomic(); 252226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 253226f2ca3SVlad Buslov } 254226f2ca3SVlad Buslov 255226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 256226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 257226f2ca3SVlad Buslov 258226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 259226f2ca3SVlad Buslov { 260226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 261226f2ca3SVlad Buslov 262226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 263226f2ca3SVlad Buslov smp_mb__after_atomic(); 264226f2ca3SVlad Buslov return ret; 265226f2ca3SVlad Buslov } 266226f2ca3SVlad Buslov 267226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 268226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 269226f2ca3SVlad Buslov 270226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 271226f2ca3SVlad Buslov { 272226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 273226f2ca3SVlad Buslov } 274226f2ca3SVlad Buslov 275226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 276226f2ca3SVlad Buslov { 277226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 278226f2ca3SVlad Buslov } 279226f2ca3SVlad Buslov 28011c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 28111c9c548SOr Gerlitz { 28211c9c548SOr Gerlitz return jhash(key->actions, 28311c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 28411c9c548SOr Gerlitz } 28511c9c548SOr Gerlitz 28611c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 28711c9c548SOr Gerlitz struct mod_hdr_key *b) 28811c9c548SOr Gerlitz { 28911c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 29011c9c548SOr Gerlitz return 1; 29111c9c548SOr Gerlitz 29211c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 29311c9c548SOr Gerlitz } 29411c9c548SOr Gerlitz 295dd58edc3SVlad Buslov static struct mod_hdr_tbl * 296dd58edc3SVlad Buslov get_mod_hdr_table(struct mlx5e_priv *priv, int namespace) 297dd58edc3SVlad Buslov { 298dd58edc3SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 299dd58edc3SVlad Buslov 300dd58edc3SVlad Buslov return namespace == MLX5_FLOW_NAMESPACE_FDB ? &esw->offloads.mod_hdr : 301dd58edc3SVlad Buslov &priv->fs.tc.mod_hdr; 302dd58edc3SVlad Buslov } 303dd58edc3SVlad Buslov 304dd58edc3SVlad Buslov static struct mlx5e_mod_hdr_entry * 305dd58edc3SVlad Buslov mlx5e_mod_hdr_get(struct mod_hdr_tbl *tbl, struct mod_hdr_key *key, u32 hash_key) 306dd58edc3SVlad Buslov { 307dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh, *found = NULL; 308dd58edc3SVlad Buslov 309dd58edc3SVlad Buslov hash_for_each_possible(tbl->hlist, mh, mod_hdr_hlist, hash_key) { 310dd58edc3SVlad Buslov if (!cmp_mod_hdr_info(&mh->key, key)) { 311dd58edc3SVlad Buslov refcount_inc(&mh->refcnt); 312dd58edc3SVlad Buslov found = mh; 313dd58edc3SVlad Buslov break; 314dd58edc3SVlad Buslov } 315dd58edc3SVlad Buslov } 316dd58edc3SVlad Buslov 317dd58edc3SVlad Buslov return found; 318dd58edc3SVlad Buslov } 319dd58edc3SVlad Buslov 320dd58edc3SVlad Buslov static void mlx5e_mod_hdr_put(struct mlx5e_priv *priv, 321d2faae25SVlad Buslov struct mlx5e_mod_hdr_entry *mh, 322d2faae25SVlad Buslov int namespace) 323dd58edc3SVlad Buslov { 324d2faae25SVlad Buslov struct mod_hdr_tbl *tbl = get_mod_hdr_table(priv, namespace); 325d2faae25SVlad Buslov 326d2faae25SVlad Buslov if (!refcount_dec_and_mutex_lock(&mh->refcnt, &tbl->lock)) 327dd58edc3SVlad Buslov return; 328d2faae25SVlad Buslov hash_del(&mh->mod_hdr_hlist); 329d2faae25SVlad Buslov mutex_unlock(&tbl->lock); 330dd58edc3SVlad Buslov 331dd58edc3SVlad Buslov WARN_ON(!list_empty(&mh->flows)); 332a734d007SVlad Buslov if (mh->compl_result > 0) 333dd58edc3SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 334d2faae25SVlad Buslov 335dd58edc3SVlad Buslov kfree(mh); 336dd58edc3SVlad Buslov } 337dd58edc3SVlad Buslov 338d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 339d2faae25SVlad Buslov { 340d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 341d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 342d2faae25SVlad Buslov } 34311c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 34411c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 34511c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 34611c9c548SOr Gerlitz { 34711c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 34811c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 349dd58edc3SVlad Buslov struct mod_hdr_tbl *tbl; 35011c9c548SOr Gerlitz struct mod_hdr_key key; 35111c9c548SOr Gerlitz u32 hash_key; 35211c9c548SOr Gerlitz 35311c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 35411c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 35511c9c548SOr Gerlitz 35611c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 35711c9c548SOr Gerlitz key.num_actions = num_actions; 35811c9c548SOr Gerlitz 35911c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 36011c9c548SOr Gerlitz 361d2faae25SVlad Buslov namespace = get_flow_name_space(flow); 362dd58edc3SVlad Buslov tbl = get_mod_hdr_table(priv, namespace); 36311c9c548SOr Gerlitz 364d2faae25SVlad Buslov mutex_lock(&tbl->lock); 365dd58edc3SVlad Buslov mh = mlx5e_mod_hdr_get(tbl, &key, hash_key); 366a734d007SVlad Buslov if (mh) { 367a734d007SVlad Buslov mutex_unlock(&tbl->lock); 368a734d007SVlad Buslov wait_for_completion(&mh->res_ready); 369a734d007SVlad Buslov 370a734d007SVlad Buslov if (mh->compl_result < 0) { 371a734d007SVlad Buslov err = -EREMOTEIO; 372a734d007SVlad Buslov goto attach_header_err; 373a734d007SVlad Buslov } 37411c9c548SOr Gerlitz goto attach_flow; 375a734d007SVlad Buslov } 37611c9c548SOr Gerlitz 37711c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 378d2faae25SVlad Buslov if (!mh) { 379a734d007SVlad Buslov mutex_unlock(&tbl->lock); 380a734d007SVlad Buslov return -ENOMEM; 381d2faae25SVlad Buslov } 38211c9c548SOr Gerlitz 38311c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 38411c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 38511c9c548SOr Gerlitz mh->key.num_actions = num_actions; 38683a52f0dSVlad Buslov spin_lock_init(&mh->flows_lock); 38711c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 388dd58edc3SVlad Buslov refcount_set(&mh->refcnt, 1); 389a734d007SVlad Buslov init_completion(&mh->res_ready); 390a734d007SVlad Buslov 391a734d007SVlad Buslov hash_add(tbl->hlist, &mh->mod_hdr_hlist, hash_key); 392a734d007SVlad Buslov mutex_unlock(&tbl->lock); 39311c9c548SOr Gerlitz 39411c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 39511c9c548SOr Gerlitz mh->key.num_actions, 39611c9c548SOr Gerlitz mh->key.actions, 39711c9c548SOr Gerlitz &mh->mod_hdr_id); 398a734d007SVlad Buslov if (err) { 399a734d007SVlad Buslov mh->compl_result = err; 400a734d007SVlad Buslov goto alloc_header_err; 401a734d007SVlad Buslov } 402a734d007SVlad Buslov mh->compl_result = 1; 403a734d007SVlad Buslov complete_all(&mh->res_ready); 40411c9c548SOr Gerlitz 40511c9c548SOr Gerlitz attach_flow: 406dd58edc3SVlad Buslov flow->mh = mh; 40783a52f0dSVlad Buslov spin_lock(&mh->flows_lock); 40811c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 40983a52f0dSVlad Buslov spin_unlock(&mh->flows_lock); 410d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 41111c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 41211c9c548SOr Gerlitz else 41311c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 41411c9c548SOr Gerlitz 41511c9c548SOr Gerlitz return 0; 41611c9c548SOr Gerlitz 417a734d007SVlad Buslov alloc_header_err: 418a734d007SVlad Buslov complete_all(&mh->res_ready); 419a734d007SVlad Buslov attach_header_err: 420a734d007SVlad Buslov mlx5e_mod_hdr_put(priv, mh, namespace); 42111c9c548SOr Gerlitz return err; 42211c9c548SOr Gerlitz } 42311c9c548SOr Gerlitz 42411c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 42511c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 42611c9c548SOr Gerlitz { 4275a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 428dd58edc3SVlad Buslov if (!flow->mh) 4295a7e5bcbSVlad Buslov return; 4305a7e5bcbSVlad Buslov 43183a52f0dSVlad Buslov spin_lock(&flow->mh->flows_lock); 43211c9c548SOr Gerlitz list_del(&flow->mod_hdr); 43383a52f0dSVlad Buslov spin_unlock(&flow->mh->flows_lock); 43411c9c548SOr Gerlitz 435d2faae25SVlad Buslov mlx5e_mod_hdr_put(priv, flow->mh, get_flow_name_space(flow)); 436dd58edc3SVlad Buslov flow->mh = NULL; 43711c9c548SOr Gerlitz } 43811c9c548SOr Gerlitz 43977ab67b7SOr Gerlitz static 44077ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 44177ab67b7SOr Gerlitz { 44277ab67b7SOr Gerlitz struct net_device *netdev; 44377ab67b7SOr Gerlitz struct mlx5e_priv *priv; 44477ab67b7SOr Gerlitz 44577ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 44677ab67b7SOr Gerlitz priv = netdev_priv(netdev); 44777ab67b7SOr Gerlitz return priv->mdev; 44877ab67b7SOr Gerlitz } 44977ab67b7SOr Gerlitz 45077ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 45177ab67b7SOr Gerlitz { 45277ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 45377ab67b7SOr Gerlitz void *tirc; 45477ab67b7SOr Gerlitz int err; 45577ab67b7SOr Gerlitz 45677ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 45777ab67b7SOr Gerlitz if (err) 45877ab67b7SOr Gerlitz goto alloc_tdn_err; 45977ab67b7SOr Gerlitz 46077ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 46177ab67b7SOr Gerlitz 46277ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 463ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 46477ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 46577ab67b7SOr Gerlitz 46677ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 46777ab67b7SOr Gerlitz if (err) 46877ab67b7SOr Gerlitz goto create_tir_err; 46977ab67b7SOr Gerlitz 47077ab67b7SOr Gerlitz return 0; 47177ab67b7SOr Gerlitz 47277ab67b7SOr Gerlitz create_tir_err: 47377ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 47477ab67b7SOr Gerlitz alloc_tdn_err: 47577ab67b7SOr Gerlitz return err; 47677ab67b7SOr Gerlitz } 47777ab67b7SOr Gerlitz 47877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 47977ab67b7SOr Gerlitz { 48077ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 48177ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 48277ab67b7SOr Gerlitz } 48377ab67b7SOr Gerlitz 4843f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 4853f6d08d1SOr Gerlitz { 4863f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 4873f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4883f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 4893f6d08d1SOr Gerlitz 4903f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 4913f6d08d1SOr Gerlitz hp->num_channels); 4923f6d08d1SOr Gerlitz 4933f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 4943f6d08d1SOr Gerlitz ix = i; 495bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 4963f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 4973f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 4983f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 4993f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5003f6d08d1SOr Gerlitz } 5013f6d08d1SOr Gerlitz } 5023f6d08d1SOr Gerlitz 5033f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5043f6d08d1SOr Gerlitz { 5053f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 5063f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5073f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5083f6d08d1SOr Gerlitz void *rqtc; 5093f6d08d1SOr Gerlitz u32 *in; 5103f6d08d1SOr Gerlitz 5113f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5123f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5133f6d08d1SOr Gerlitz if (!in) 5143f6d08d1SOr Gerlitz return -ENOMEM; 5153f6d08d1SOr Gerlitz 5163f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5173f6d08d1SOr Gerlitz 5183f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5193f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5203f6d08d1SOr Gerlitz 5213f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5223f6d08d1SOr Gerlitz 5233f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5243f6d08d1SOr Gerlitz if (!err) 5253f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5263f6d08d1SOr Gerlitz 5273f6d08d1SOr Gerlitz kvfree(in); 5283f6d08d1SOr Gerlitz return err; 5293f6d08d1SOr Gerlitz } 5303f6d08d1SOr Gerlitz 5313f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5323f6d08d1SOr Gerlitz { 5333f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5343f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5353f6d08d1SOr Gerlitz int tt, i, err; 5363f6d08d1SOr Gerlitz void *tirc; 5373f6d08d1SOr Gerlitz 5383f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 539d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 540d930ac79SAya Levin 5413f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5423f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5433f6d08d1SOr Gerlitz 5443f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5453f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5463f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 547bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 548bbeb53b8SAya Levin 5493f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 5503f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 5513f6d08d1SOr Gerlitz if (err) { 5523f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5533f6d08d1SOr Gerlitz goto err_destroy_tirs; 5543f6d08d1SOr Gerlitz } 5553f6d08d1SOr Gerlitz } 5563f6d08d1SOr Gerlitz return 0; 5573f6d08d1SOr Gerlitz 5583f6d08d1SOr Gerlitz err_destroy_tirs: 5593f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 5603f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 5613f6d08d1SOr Gerlitz return err; 5623f6d08d1SOr Gerlitz } 5633f6d08d1SOr Gerlitz 5643f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5653f6d08d1SOr Gerlitz { 5663f6d08d1SOr Gerlitz int tt; 5673f6d08d1SOr Gerlitz 5683f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5693f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 5703f6d08d1SOr Gerlitz } 5713f6d08d1SOr Gerlitz 5723f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5733f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5743f6d08d1SOr Gerlitz { 5753f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5763f6d08d1SOr Gerlitz int tt; 5773f6d08d1SOr Gerlitz 5783f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5793f6d08d1SOr Gerlitz 5803f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 5813f6d08d1SOr Gerlitz 5823f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5833f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 5843f6d08d1SOr Gerlitz 5853f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 5863f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 5873f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 5883f6d08d1SOr Gerlitz } 5893f6d08d1SOr Gerlitz 5903f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 5913f6d08d1SOr Gerlitz { 5923f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5933f6d08d1SOr Gerlitz struct ttc_params ttc_params; 5943f6d08d1SOr Gerlitz int err; 5953f6d08d1SOr Gerlitz 5963f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 5973f6d08d1SOr Gerlitz if (err) 5983f6d08d1SOr Gerlitz return err; 5993f6d08d1SOr Gerlitz 6003f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6013f6d08d1SOr Gerlitz if (err) 6023f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6033f6d08d1SOr Gerlitz 6043f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6053f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6063f6d08d1SOr Gerlitz if (err) 6073f6d08d1SOr Gerlitz goto err_create_ttc_table; 6083f6d08d1SOr Gerlitz 6093f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6103f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6113f6d08d1SOr Gerlitz 6123f6d08d1SOr Gerlitz return 0; 6133f6d08d1SOr Gerlitz 6143f6d08d1SOr Gerlitz err_create_ttc_table: 6153f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6163f6d08d1SOr Gerlitz err_create_indirect_tirs: 6173f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6183f6d08d1SOr Gerlitz 6193f6d08d1SOr Gerlitz return err; 6203f6d08d1SOr Gerlitz } 6213f6d08d1SOr Gerlitz 6223f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6233f6d08d1SOr Gerlitz { 6243f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6253f6d08d1SOr Gerlitz 6263f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6273f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6283f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6293f6d08d1SOr Gerlitz } 6303f6d08d1SOr Gerlitz 63177ab67b7SOr Gerlitz static struct mlx5e_hairpin * 63277ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 63377ab67b7SOr Gerlitz int peer_ifindex) 63477ab67b7SOr Gerlitz { 63577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 63677ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 63777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 63877ab67b7SOr Gerlitz int err; 63977ab67b7SOr Gerlitz 64077ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 64177ab67b7SOr Gerlitz if (!hp) 64277ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 64377ab67b7SOr Gerlitz 64477ab67b7SOr Gerlitz func_mdev = priv->mdev; 64577ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 64677ab67b7SOr Gerlitz 64777ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 64877ab67b7SOr Gerlitz if (IS_ERR(pair)) { 64977ab67b7SOr Gerlitz err = PTR_ERR(pair); 65077ab67b7SOr Gerlitz goto create_pair_err; 65177ab67b7SOr Gerlitz } 65277ab67b7SOr Gerlitz hp->pair = pair; 65377ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6543f6d08d1SOr Gerlitz hp->func_priv = priv; 6553f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 65677ab67b7SOr Gerlitz 65777ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 65877ab67b7SOr Gerlitz if (err) 65977ab67b7SOr Gerlitz goto create_transport_err; 66077ab67b7SOr Gerlitz 6613f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6623f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6633f6d08d1SOr Gerlitz if (err) 6643f6d08d1SOr Gerlitz goto rss_init_err; 6653f6d08d1SOr Gerlitz } 6663f6d08d1SOr Gerlitz 66777ab67b7SOr Gerlitz return hp; 66877ab67b7SOr Gerlitz 6693f6d08d1SOr Gerlitz rss_init_err: 6703f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 67177ab67b7SOr Gerlitz create_transport_err: 67277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 67377ab67b7SOr Gerlitz create_pair_err: 67477ab67b7SOr Gerlitz kfree(hp); 67577ab67b7SOr Gerlitz return ERR_PTR(err); 67677ab67b7SOr Gerlitz } 67777ab67b7SOr Gerlitz 67877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 67977ab67b7SOr Gerlitz { 6803f6d08d1SOr Gerlitz if (hp->num_channels > 1) 6813f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 68277ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 68377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 68477ab67b7SOr Gerlitz kvfree(hp); 68577ab67b7SOr Gerlitz } 68677ab67b7SOr Gerlitz 687106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 688106be53bSOr Gerlitz { 689106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 690106be53bSOr Gerlitz } 691106be53bSOr Gerlitz 6925c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 693106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 6945c65c564SOr Gerlitz { 6955c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 696106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 6975c65c564SOr Gerlitz 6985c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 699106be53bSOr Gerlitz hairpin_hlist, hash_key) { 700e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 701e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7025c65c564SOr Gerlitz return hpe; 7035c65c564SOr Gerlitz } 704e4f9abbdSVlad Buslov } 7055c65c564SOr Gerlitz 7065c65c564SOr Gerlitz return NULL; 7075c65c564SOr Gerlitz } 7085c65c564SOr Gerlitz 709e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 710e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 711e4f9abbdSVlad Buslov { 712e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 713b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 714e4f9abbdSVlad Buslov return; 715b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 716b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 717e4f9abbdSVlad Buslov 718db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 719e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 720e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 721e4f9abbdSVlad Buslov 722e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 723db76ca24SVlad Buslov } 724db76ca24SVlad Buslov 725db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 726e4f9abbdSVlad Buslov kfree(hpe); 727e4f9abbdSVlad Buslov } 728e4f9abbdSVlad Buslov 729106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 730106be53bSOr Gerlitz 731106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 732e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 733e98bedf5SEli Britstein struct netlink_ext_ack *extack) 734106be53bSOr Gerlitz { 735106be53bSOr Gerlitz void *headers_c, *headers_v; 736106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 737106be53bSOr Gerlitz bool vlan_present; 738106be53bSOr Gerlitz 739106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 740106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 741e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 742e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 743106be53bSOr Gerlitz return -EOPNOTSUPP; 744106be53bSOr Gerlitz } 745106be53bSOr Gerlitz #endif 746106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 747106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 748106be53bSOr Gerlitz 749106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 750106be53bSOr Gerlitz if (vlan_present) { 751106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 752106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 753106be53bSOr Gerlitz } 754106be53bSOr Gerlitz 755106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 756106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 757106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 758e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 759e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 760106be53bSOr Gerlitz return -EOPNOTSUPP; 761106be53bSOr Gerlitz } 762106be53bSOr Gerlitz 763106be53bSOr Gerlitz *match_prio = prio_val; 764106be53bSOr Gerlitz return 0; 765106be53bSOr Gerlitz } 766106be53bSOr Gerlitz 7675c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7685c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 769e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 770e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7715c65c564SOr Gerlitz { 77298b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7735c65c564SOr Gerlitz struct mlx5_hairpin_params params; 774d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7755c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7765c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7773f6d08d1SOr Gerlitz u64 link_speed64; 7783f6d08d1SOr Gerlitz u32 link_speed; 779106be53bSOr Gerlitz u8 match_prio; 780d8822868SOr Gerlitz u16 peer_id; 7815c65c564SOr Gerlitz int err; 7825c65c564SOr Gerlitz 783d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 784d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 785e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 7865c65c564SOr Gerlitz return -EOPNOTSUPP; 7875c65c564SOr Gerlitz } 7885c65c564SOr Gerlitz 789d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 790e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 791e98bedf5SEli Britstein extack); 792106be53bSOr Gerlitz if (err) 793106be53bSOr Gerlitz return err; 794b32accdaSVlad Buslov 795b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 796106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 797db76ca24SVlad Buslov if (hpe) { 798db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 799db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 800db76ca24SVlad Buslov 801db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 802db76ca24SVlad Buslov err = -EREMOTEIO; 803db76ca24SVlad Buslov goto out_err; 804db76ca24SVlad Buslov } 8055c65c564SOr Gerlitz goto attach_flow; 806db76ca24SVlad Buslov } 8075c65c564SOr Gerlitz 8085c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 809b32accdaSVlad Buslov if (!hpe) { 810db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 811db76ca24SVlad Buslov return -ENOMEM; 812b32accdaSVlad Buslov } 8135c65c564SOr Gerlitz 81473edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8155c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 816db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 817d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 818106be53bSOr Gerlitz hpe->prio = match_prio; 819e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 820db76ca24SVlad Buslov init_completion(&hpe->res_ready); 821db76ca24SVlad Buslov 822db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 823db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 824db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8255c65c564SOr Gerlitz 8265c65c564SOr Gerlitz params.log_data_size = 15; 8275c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8285c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8295c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8305c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8315c65c564SOr Gerlitz 832eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 833eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 834eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 835eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 836eb9180f7SOr Gerlitz 837eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8383f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8392c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8403f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8413f6d08d1SOr Gerlitz link_speed64 = link_speed; 8423f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8433f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8443f6d08d1SOr Gerlitz 8455c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 846db76ca24SVlad Buslov hpe->hp = hp; 847db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8485c65c564SOr Gerlitz if (IS_ERR(hp)) { 8495c65c564SOr Gerlitz err = PTR_ERR(hp); 850db76ca24SVlad Buslov goto out_err; 8515c65c564SOr Gerlitz } 8525c65c564SOr Gerlitz 853eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 85427b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 85527b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 856eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8575c65c564SOr Gerlitz 8585c65c564SOr Gerlitz attach_flow: 8593f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 860226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 8613f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 8623f6d08d1SOr Gerlitz } else { 8635c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 8643f6d08d1SOr Gerlitz } 865b32accdaSVlad Buslov 866e4f9abbdSVlad Buslov flow->hpe = hpe; 86773edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8685c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 86973edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8703f6d08d1SOr Gerlitz 8715c65c564SOr Gerlitz return 0; 8725c65c564SOr Gerlitz 873db76ca24SVlad Buslov out_err: 874db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 8755c65c564SOr Gerlitz return err; 8765c65c564SOr Gerlitz } 8775c65c564SOr Gerlitz 8785c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 8795c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 8805c65c564SOr Gerlitz { 8815a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 882e4f9abbdSVlad Buslov if (!flow->hpe) 8835a7e5bcbSVlad Buslov return; 8845a7e5bcbSVlad Buslov 88573edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 8865c65c564SOr Gerlitz list_del(&flow->hairpin); 88773edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 88873edca73SVlad Buslov 889e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 890e4f9abbdSVlad Buslov flow->hpe = NULL; 8915c65c564SOr Gerlitz } 8925c65c564SOr Gerlitz 893c83954abSRabie Loulou static int 89474491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 89517091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 896e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 897e98bedf5SEli Britstein struct netlink_ext_ack *extack) 898e8f887acSAmir Vadai { 899bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 900aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 901aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 9025c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 90366958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9043bc4b7bfSOr Gerlitz .action = attr->action, 90560786f09SMark Bloch .reformat_id = 0, 906bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 90766958ed9SHadar Hen Zion }; 908aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 9095c65c564SOr Gerlitz int err, dest_ix = 0; 910e8f887acSAmir Vadai 911bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 912bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 913bb0ee7dcSJianbo Liu 914226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 915e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 9165a7e5bcbSVlad Buslov if (err) 9175a7e5bcbSVlad Buslov return err; 9185a7e5bcbSVlad Buslov 919226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 9203f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9213f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 9223f6d08d1SOr Gerlitz } else { 9235c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 9245c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 9253f6d08d1SOr Gerlitz } 9263f6d08d1SOr Gerlitz dest_ix++; 9273f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9285c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9295c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 9305c65c564SOr Gerlitz dest_ix++; 9315c65c564SOr Gerlitz } 932aad7e08dSAmir Vadai 9335c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9345c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 9355a7e5bcbSVlad Buslov if (IS_ERR(counter)) 9365a7e5bcbSVlad Buslov return PTR_ERR(counter); 9375a7e5bcbSVlad Buslov 9385c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 939171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 9405c65c564SOr Gerlitz dest_ix++; 941b8aee822SMark Bloch attr->counter = counter; 942aad7e08dSAmir Vadai } 943aad7e08dSAmir Vadai 9442f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9453099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 946d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 9472f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 948c83954abSRabie Loulou if (err) 9495a7e5bcbSVlad Buslov return err; 9502f4fe4caSOr Gerlitz } 9512f4fe4caSOr Gerlitz 952b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 953acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 95421b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 95521b9c144SOr Gerlitz u32 max_flow_counter; 95621b9c144SOr Gerlitz 95721b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 95821b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 95921b9c144SOr Gerlitz 96021b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 96121b9c144SOr Gerlitz 96221b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 96321b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 96421b9c144SOr Gerlitz 965acff797cSMaor Gottlieb priv->fs.tc.t = 966acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 967acff797cSMaor Gottlieb MLX5E_TC_PRIO, 96821b9c144SOr Gerlitz tc_tbl_size, 969acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 9703f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 971acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 972b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 973e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 974e98bedf5SEli Britstein "Failed to create tc offload table\n"); 975e8f887acSAmir Vadai netdev_err(priv->netdev, 976e8f887acSAmir Vadai "Failed to create tc offload table\n"); 9775a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 978e8f887acSAmir Vadai } 979e8f887acSAmir Vadai } 980e8f887acSAmir Vadai 98138aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 982d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 98338aa51c1SOr Gerlitz 984c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 9855c65c564SOr Gerlitz &flow_act, dest, dest_ix); 986b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 987e8f887acSAmir Vadai 9885a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 9895a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 990aad7e08dSAmir Vadai 991c83954abSRabie Loulou return 0; 992e8f887acSAmir Vadai } 993e8f887acSAmir Vadai 994d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 995d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 996d85cdccbSOr Gerlitz { 997513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 998d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 999d85cdccbSOr Gerlitz 1000b8aee822SMark Bloch counter = attr->counter; 10015a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1002e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1003d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1004d85cdccbSOr Gerlitz 1005b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1006226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1007d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1008d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1009d85cdccbSOr Gerlitz } 1010b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 10112f4fe4caSOr Gerlitz 1012513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10133099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 10145c65c564SOr Gerlitz 1015226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 10165c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1017d85cdccbSOr Gerlitz } 1018d85cdccbSOr Gerlitz 1019aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 10208c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1021aa0cbbaeSOr Gerlitz 10223c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1023e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1024733d4f36SRoi Dayan struct net_device *mirred_dev, 1025733d4f36SRoi Dayan int out_index, 10268c4dc42bSEli Britstein struct netlink_ext_ack *extack, 10270ad060eeSRoi Dayan struct net_device **encap_dev, 10280ad060eeSRoi Dayan bool *encap_valid); 10293c37745eSOr Gerlitz 10306d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 10316d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 10326d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10336d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 10346d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10356d2a3ed0SOr Gerlitz { 10366d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10376d2a3ed0SOr Gerlitz 10386d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 10396d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 10406d2a3ed0SOr Gerlitz return rule; 10416d2a3ed0SOr Gerlitz 1042e85e02baSEli Britstein if (attr->split_count) { 10436d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 10446d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 10456d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 10466d2a3ed0SOr Gerlitz return flow->rule[1]; 10476d2a3ed0SOr Gerlitz } 10486d2a3ed0SOr Gerlitz } 10496d2a3ed0SOr Gerlitz 10506d2a3ed0SOr Gerlitz return rule; 10516d2a3ed0SOr Gerlitz } 10526d2a3ed0SOr Gerlitz 10536d2a3ed0SOr Gerlitz static void 10546d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 10556d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10566d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10576d2a3ed0SOr Gerlitz { 1058226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 10596d2a3ed0SOr Gerlitz 1060e85e02baSEli Britstein if (attr->split_count) 10616d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 10626d2a3ed0SOr Gerlitz 10636d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 10646d2a3ed0SOr Gerlitz } 10656d2a3ed0SOr Gerlitz 10665dbe906fSPaul Blakey static struct mlx5_flow_handle * 10675dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 10685dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 10695dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 10705dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 10715dbe906fSPaul Blakey { 10725dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 10735dbe906fSPaul Blakey 10745dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 1075154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 10762be09de7SDavid S. Miller slow_attr->split_count = 0; 1077154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 10785dbe906fSPaul Blakey 10795dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 10805dbe906fSPaul Blakey if (!IS_ERR(rule)) 1081226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 10825dbe906fSPaul Blakey 10835dbe906fSPaul Blakey return rule; 10845dbe906fSPaul Blakey } 10855dbe906fSPaul Blakey 10865dbe906fSPaul Blakey static void 10875dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 10885dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 10895dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 10905dbe906fSPaul Blakey { 10915dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 1092154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 10932be09de7SDavid S. Miller slow_attr->split_count = 0; 1094154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 10955dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1096226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 10975dbe906fSPaul Blakey } 10985dbe906fSPaul Blakey 1099ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1100ad86755bSVlad Buslov * function. 1101ad86755bSVlad Buslov */ 1102ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1103ad86755bSVlad Buslov struct list_head *unready_flows) 1104ad86755bSVlad Buslov { 1105ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1106ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1107ad86755bSVlad Buslov } 1108ad86755bSVlad Buslov 1109ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1110ad86755bSVlad Buslov * function. 1111ad86755bSVlad Buslov */ 1112ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1113ad86755bSVlad Buslov { 1114ad86755bSVlad Buslov list_del(&flow->unready); 1115ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1116ad86755bSVlad Buslov } 1117ad86755bSVlad Buslov 1118b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1119b4a23329SRoi Dayan { 1120b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1121b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1122b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1123b4a23329SRoi Dayan 1124b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1125b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1126b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1127b4a23329SRoi Dayan 1128ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1129ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1130ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1131b4a23329SRoi Dayan } 1132b4a23329SRoi Dayan 1133b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1134b4a23329SRoi Dayan { 1135ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1136ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1137ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1138ad86755bSVlad Buslov 1139ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1140ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1141ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1142ad86755bSVlad Buslov 1143ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1144ad86755bSVlad Buslov unready_flow_del(flow); 1145ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1146b4a23329SRoi Dayan } 1147b4a23329SRoi Dayan 1148c83954abSRabie Loulou static int 114974491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1150e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1151e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1152adb4c123SOr Gerlitz { 1153adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1154bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 1155aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 11567040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 1157bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 11583c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1159b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 11603c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 11613c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 11620ad060eeSRoi Dayan bool encap_valid = true; 11630ad060eeSRoi Dayan int err = 0; 1164f493f155SEli Britstein int out_index; 11658b32580dSOr Gerlitz 1166d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 1167d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 1168d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1169d14f6f2aSOr Gerlitz } 1170e52c2802SPaul Blakey 1171bf07aa73SPaul Blakey if (attr->chain > max_chain) { 1172bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 11735a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1174bf07aa73SPaul Blakey } 1175bf07aa73SPaul Blakey 1176bf07aa73SPaul Blakey if (attr->prio > max_prio) { 1177bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 11785a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1179bf07aa73SPaul Blakey } 1180bf07aa73SPaul Blakey 1181f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 11828c4dc42bSEli Britstein int mirred_ifindex; 11838c4dc42bSEli Britstein 1184f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1185f493f155SEli Britstein continue; 1186f493f155SEli Britstein 11877040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 11883c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 11898c4dc42bSEli Britstein mirred_ifindex); 1190733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 11910ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 11920ad060eeSRoi Dayan if (err) 11935a7e5bcbSVlad Buslov return err; 11940ad060eeSRoi Dayan 11953c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 11963c37745eSOr Gerlitz rpriv = out_priv->ppriv; 11971cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 11981cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 11993c37745eSOr Gerlitz } 12003c37745eSOr Gerlitz 12018b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1202c83954abSRabie Loulou if (err) 12035a7e5bcbSVlad Buslov return err; 1204adb4c123SOr Gerlitz 1205d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 12061a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1207d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1208c83954abSRabie Loulou if (err) 12095a7e5bcbSVlad Buslov return err; 1210d7e75a32SOr Gerlitz } 1211d7e75a32SOr Gerlitz 1212b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1213f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 12145a7e5bcbSVlad Buslov if (IS_ERR(counter)) 12155a7e5bcbSVlad Buslov return PTR_ERR(counter); 1216b8aee822SMark Bloch 1217b8aee822SMark Bloch attr->counter = counter; 1218b8aee822SMark Bloch } 1219b8aee822SMark Bloch 12200ad060eeSRoi Dayan /* we get here if one of the following takes place: 12210ad060eeSRoi Dayan * (1) there's no error 12220ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 12233c37745eSOr Gerlitz */ 12240ad060eeSRoi Dayan if (!encap_valid) { 12255dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 12265dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 12275dbe906fSPaul Blakey 12285dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 12295dbe906fSPaul Blakey } else { 12306d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 12315dbe906fSPaul Blakey } 12325dbe906fSPaul Blakey 12335a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 12345a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1235226f2ca3SVlad Buslov else 1236226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1237c83954abSRabie Loulou 12385dbe906fSPaul Blakey return 0; 1239aa0cbbaeSOr Gerlitz } 1240d85cdccbSOr Gerlitz 12419272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 12429272e3dfSYevgeny Kliteynik { 12439272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 12449272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 12459272e3dfSYevgeny Kliteynik spec->match_value, 12469272e3dfSYevgeny Kliteynik misc_parameters_3); 12479272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 12489272e3dfSYevgeny Kliteynik headers_v, 12499272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 12509272e3dfSYevgeny Kliteynik 12519272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 12529272e3dfSYevgeny Kliteynik } 12539272e3dfSYevgeny Kliteynik 1254d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1255d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1256d85cdccbSOr Gerlitz { 1257d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1258d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 12595dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1260f493f155SEli Britstein int out_index; 1261d85cdccbSOr Gerlitz 1262226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1263b4a23329SRoi Dayan remove_unready_flow(flow); 1264ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1265ef06c9eeSRoi Dayan return; 1266ef06c9eeSRoi Dayan } 1267ef06c9eeSRoi Dayan 1268226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1269226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 12705dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 12715dbe906fSPaul Blakey else 12725dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 12735dbe906fSPaul Blakey } 1274d85cdccbSOr Gerlitz 12759272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 12769272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 12779272e3dfSYevgeny Kliteynik 1278513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1279d85cdccbSOr Gerlitz 1280f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 12818c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 12828c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1283f493f155SEli Britstein kvfree(attr->parse_attr); 1284d7e75a32SOr Gerlitz 1285513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 12861a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1287b8aee822SMark Bloch 1288b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1289f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1290d85cdccbSOr Gerlitz } 1291d85cdccbSOr Gerlitz 1292232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1293232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1294232c0013SHadar Hen Zion { 12953c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 12965dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 12975a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 12986d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 12996d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1300232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1301232c0013SHadar Hen Zion int err; 1302232c0013SHadar Hen Zion 130354c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 130454c177caSOz Shlomo e->reformat_type, 1305232c0013SHadar Hen Zion e->encap_size, e->encap_header, 130631ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1307232c0013SHadar Hen Zion &e->encap_id); 1308232c0013SHadar Hen Zion if (err) { 1309232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1310232c0013SHadar Hen Zion err); 1311232c0013SHadar Hen Zion return; 1312232c0013SHadar Hen Zion } 1313232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1314f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1315232c0013SHadar Hen Zion 13165a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 13178c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 13188c4dc42bSEli Britstein int i; 13198c4dc42bSEli Britstein 132079baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 13215a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 13225a7e5bcbSVlad Buslov continue; 13235a7e5bcbSVlad Buslov 13243c37745eSOr Gerlitz esw_attr = flow->esw_attr; 13256d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 13266d2a3ed0SOr Gerlitz 13278c4dc42bSEli Britstein esw_attr->dests[efi->index].encap_id = e->encap_id; 13288c4dc42bSEli Britstein esw_attr->dests[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) 13435a7e5bcbSVlad Buslov goto loop_cont; 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); 13505a7e5bcbSVlad Buslov goto loop_cont; 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); 13575a7e5bcbSVlad Buslov 13585a7e5bcbSVlad Buslov loop_cont: 13595a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 1360232c0013SHadar Hen Zion } 1361232c0013SHadar Hen Zion } 1362232c0013SHadar Hen Zion 1363232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1364232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1365232c0013SHadar Hen Zion { 13663c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13675dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 13685a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 13695dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 13705dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1371232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 13725dbe906fSPaul Blakey int err; 1373232c0013SHadar Hen Zion 13745a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 137579baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 13765a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 13775a7e5bcbSVlad Buslov continue; 13785a7e5bcbSVlad Buslov 13795dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 13805dbe906fSPaul Blakey 13815dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 13825dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 13838c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 13848c4dc42bSEli Britstein flow->esw_attr->dests[efi->index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 13855dbe906fSPaul Blakey 13865dbe906fSPaul Blakey if (IS_ERR(rule)) { 13875dbe906fSPaul Blakey err = PTR_ERR(rule); 13885dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 13895dbe906fSPaul Blakey err); 13905a7e5bcbSVlad Buslov goto loop_cont; 13915dbe906fSPaul Blakey } 13925dbe906fSPaul Blakey 13936d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 13945dbe906fSPaul Blakey flow->rule[0] = rule; 1395226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1396226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 13975a7e5bcbSVlad Buslov 13985a7e5bcbSVlad Buslov loop_cont: 13995a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 1400232c0013SHadar Hen Zion } 1401232c0013SHadar Hen Zion 140261c806daSOr Gerlitz /* we know that the encap is valid */ 1403232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 140460786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1405232c0013SHadar Hen Zion } 1406232c0013SHadar Hen Zion 1407b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1408b8aee822SMark Bloch { 1409226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1410b8aee822SMark Bloch return flow->esw_attr->counter; 1411b8aee822SMark Bloch else 1412b8aee822SMark Bloch return flow->nic_attr->counter; 1413b8aee822SMark Bloch } 1414b8aee822SMark Bloch 1415f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1416f6dfb4c3SHadar Hen Zion { 1417f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1418f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1419f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1420f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1421f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1422f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1423f6dfb4c3SHadar Hen Zion struct neighbour *n; 142490bb7692SAriel Levkovich u64 lastuse; 1425f6dfb4c3SHadar Hen Zion 1426f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1427f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1428f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1429f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1430423c9db2SOr Gerlitz tbl = &nd_tbl; 1431f6dfb4c3SHadar Hen Zion #endif 1432f6dfb4c3SHadar Hen Zion else 1433f6dfb4c3SHadar Hen Zion return; 1434f6dfb4c3SHadar Hen Zion 1435f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 14365a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 1437948993f2SVlad Buslov 1438948993f2SVlad Buslov if (!(e->flags & MLX5_ENCAP_ENTRY_VALID) || 1439948993f2SVlad Buslov !mlx5e_encap_take(e)) 1440f6dfb4c3SHadar Hen Zion continue; 1441948993f2SVlad Buslov 14425a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 144379baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 144479baaec7SEli Britstein encaps[efi->index]); 14455a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 14465a7e5bcbSVlad Buslov continue; 14475a7e5bcbSVlad Buslov 1448226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1449b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 145090bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1451f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 14525a7e5bcbSVlad Buslov mlx5e_flow_put(netdev_priv(e->out_dev), flow); 1453f6dfb4c3SHadar Hen Zion neigh_used = true; 1454f6dfb4c3SHadar Hen Zion break; 1455f6dfb4c3SHadar Hen Zion } 1456f6dfb4c3SHadar Hen Zion } 14575a7e5bcbSVlad Buslov 14585a7e5bcbSVlad Buslov mlx5e_flow_put(netdev_priv(e->out_dev), flow); 1459f6dfb4c3SHadar Hen Zion } 1460948993f2SVlad Buslov 1461948993f2SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1462e36d4810SRoi Dayan if (neigh_used) 1463e36d4810SRoi Dayan break; 1464f6dfb4c3SHadar Hen Zion } 1465f6dfb4c3SHadar Hen Zion 1466f6dfb4c3SHadar Hen Zion if (neigh_used) { 1467f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1468f6dfb4c3SHadar Hen Zion 1469f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1470f6dfb4c3SHadar Hen Zion * dst ip pair 1471f6dfb4c3SHadar Hen Zion */ 1472f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1473c7f7ba8dSRoi Dayan if (!n) 1474f6dfb4c3SHadar Hen Zion return; 1475f6dfb4c3SHadar Hen Zion 1476f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1477f6dfb4c3SHadar Hen Zion neigh_release(n); 1478f6dfb4c3SHadar Hen Zion } 1479f6dfb4c3SHadar Hen Zion } 1480f6dfb4c3SHadar Hen Zion 148161086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1482d85cdccbSOr Gerlitz { 1483948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 14843c140dd5SVlad Buslov 14853c140dd5SVlad Buslov if (e->compl_result > 0) { 1486232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1487232c0013SHadar Hen Zion 1488232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 148960786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 14903c140dd5SVlad Buslov } 1491232c0013SHadar Hen Zion 1492232c0013SHadar Hen Zion kfree(e->encap_header); 14935067b602SRoi Dayan kfree(e); 14945067b602SRoi Dayan } 1495948993f2SVlad Buslov 149661086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 149761086f39SVlad Buslov { 149861086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 149961086f39SVlad Buslov 150061086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 150161086f39SVlad Buslov return; 150261086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 150361086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 150461086f39SVlad Buslov 150561086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 150661086f39SVlad Buslov } 150761086f39SVlad Buslov 1508948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1509948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1510948993f2SVlad Buslov { 151161086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 151261086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 151361086f39SVlad Buslov 1514948993f2SVlad Buslov /* flow wasn't fully initialized */ 151561086f39SVlad Buslov if (!e) 1516948993f2SVlad Buslov return; 1517948993f2SVlad Buslov 151861086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1519948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1520948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 152161086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 152261086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 152361086f39SVlad Buslov return; 152461086f39SVlad Buslov } 152561086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 152661086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 152761086f39SVlad Buslov 152861086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 15295067b602SRoi Dayan } 15305067b602SRoi Dayan 153104de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 153204de7ddaSRoi Dayan { 153304de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 153404de7ddaSRoi Dayan 1535226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1536226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 153704de7ddaSRoi Dayan return; 153804de7ddaSRoi Dayan 153904de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 154004de7ddaSRoi Dayan list_del(&flow->peer); 154104de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 154204de7ddaSRoi Dayan 1543226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 154404de7ddaSRoi Dayan 154504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 154604de7ddaSRoi Dayan kvfree(flow->peer_flow); 154704de7ddaSRoi Dayan flow->peer_flow = NULL; 154804de7ddaSRoi Dayan } 154904de7ddaSRoi Dayan 155004de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 155104de7ddaSRoi Dayan { 155204de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 155304de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 155404de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 155504de7ddaSRoi Dayan 155604de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 155704de7ddaSRoi Dayan if (!peer_esw) 155804de7ddaSRoi Dayan return; 155904de7ddaSRoi Dayan 156004de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 156104de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 156204de7ddaSRoi Dayan } 156304de7ddaSRoi Dayan 1564e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1565961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1566e8f887acSAmir Vadai { 1567226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 156804de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1569d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 157004de7ddaSRoi Dayan } else { 1571d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1572e8f887acSAmir Vadai } 157304de7ddaSRoi Dayan } 1574e8f887acSAmir Vadai 1575bbd00f7eSHadar Hen Zion 1576bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1577bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1578f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 15796363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1580bbd00f7eSHadar Hen Zion { 1581e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1582bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1583bbd00f7eSHadar Hen Zion outer_headers); 1584bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1585bbd00f7eSHadar Hen Zion outer_headers); 1586f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 15878f256622SPablo Neira Ayuso int err; 1588bbd00f7eSHadar Hen Zion 1589101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 15906363651dSOr Gerlitz headers_c, headers_v, match_level); 159154c177caSOz Shlomo if (err) { 159254c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 159354c177caSOz Shlomo "failed to parse tunnel attributes"); 1594101f4de9SOz Shlomo return err; 1595bbd00f7eSHadar Hen Zion } 1596bbd00f7eSHadar Hen Zion 1597d1bda7eeSTonghao Zhang if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) { 15988f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 15998f256622SPablo Neira Ayuso 16008f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1601bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1602bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 16038f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1604bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1605bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 16068f256622SPablo Neira Ayuso ntohl(match.key->src)); 1607bbd00f7eSHadar Hen Zion 1608bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1609bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 16108f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1611bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1612bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 16138f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1614bbd00f7eSHadar Hen Zion 1615bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1616bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 1617d1bda7eeSTonghao Zhang } else if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS)) { 16188f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 161919f44401SOr Gerlitz 16208f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 162119f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 162219f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 16238f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 162419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 162519f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 16268f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 162719f44401SOr Gerlitz 162819f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 162919f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16308f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 163119f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 163219f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16338f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 163419f44401SOr Gerlitz 163519f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 163619f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 16372e72eb43SOr Gerlitz } 1638bbd00f7eSHadar Hen Zion 16398f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 16408f256622SPablo Neira Ayuso struct flow_match_ip match; 1641bcef735cSOr Gerlitz 16428f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 16438f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 16448f256622SPablo Neira Ayuso match.mask->tos & 0x3); 16458f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 16468f256622SPablo Neira Ayuso match.key->tos & 0x3); 1647bcef735cSOr Gerlitz 16488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 16498f256622SPablo Neira Ayuso match.mask->tos >> 2); 16508f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 16518f256622SPablo Neira Ayuso match.key->tos >> 2); 1652bcef735cSOr Gerlitz 16538f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 16548f256622SPablo Neira Ayuso match.mask->ttl); 16558f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 16568f256622SPablo Neira Ayuso match.key->ttl); 1657e98bedf5SEli Britstein 16588f256622SPablo Neira Ayuso if (match.mask->ttl && 1659e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1660e98bedf5SEli Britstein (priv->mdev, 1661e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1662e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1663e98bedf5SEli Britstein "Matching on TTL is not supported"); 1664e98bedf5SEli Britstein return -EOPNOTSUPP; 1665e98bedf5SEli Britstein } 1666e98bedf5SEli Britstein 1667bcef735cSOr Gerlitz } 1668bcef735cSOr Gerlitz 1669bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1670bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1671bbd00f7eSHadar Hen Zion */ 1672bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1673bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1674bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1675bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1676bbd00f7eSHadar Hen Zion 1677bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1678bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1679bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1680bbd00f7eSHadar Hen Zion 1681bbd00f7eSHadar Hen Zion return 0; 1682bbd00f7eSHadar Hen Zion } 1683bbd00f7eSHadar Hen Zion 16848377629eSEli Britstein static void *get_match_headers_criteria(u32 flags, 16858377629eSEli Britstein struct mlx5_flow_spec *spec) 16868377629eSEli Britstein { 16878377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 16888377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 16898377629eSEli Britstein inner_headers) : 16908377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 16918377629eSEli Britstein outer_headers); 16928377629eSEli Britstein } 16938377629eSEli Britstein 16948377629eSEli Britstein static void *get_match_headers_value(u32 flags, 16958377629eSEli Britstein struct mlx5_flow_spec *spec) 16968377629eSEli Britstein { 16978377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 16988377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 16998377629eSEli Britstein inner_headers) : 17008377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 17018377629eSEli Britstein outer_headers); 17028377629eSEli Britstein } 17038377629eSEli Britstein 1704de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1705de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1706f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 170754c177caSOz Shlomo struct net_device *filter_dev, 170893b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 1709e3a2b7edSAmir Vadai { 1710e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1711c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1712c5bb1730SMaor Gottlieb outer_headers); 1713c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1714c5bb1730SMaor Gottlieb outer_headers); 1715699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1716699e96ddSJianbo Liu misc_parameters); 1717699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1718699e96ddSJianbo Liu misc_parameters); 1719f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17208f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1721e3a2b7edSAmir Vadai u16 addr_type = 0; 1722e3a2b7edSAmir Vadai u8 ip_proto = 0; 172393b3586eSHuy Nguyen u8 *match_level; 1724e3a2b7edSAmir Vadai 172593b3586eSHuy Nguyen match_level = outer_match_level; 1726de0af0bfSRoi Dayan 17278f256622SPablo Neira Ayuso if (dissector->used_keys & 17283d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 17293d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1730e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1731e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1732095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1733699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1734e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1735e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1736bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1737bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1738bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1739bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1740bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1741e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1742fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1743bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 17449272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 17459272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) { 1746e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1747e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 17488f256622SPablo Neira Ayuso dissector->used_keys); 1749e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1750e3a2b7edSAmir Vadai } 1751e3a2b7edSAmir Vadai 1752075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 175393b3586eSHuy Nguyen if (parse_tunnel_attr(priv, spec, f, filter_dev, 175493b3586eSHuy Nguyen outer_match_level)) 1755bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1756bbd00f7eSHadar Hen Zion 175793b3586eSHuy Nguyen /* At this point, header pointers should point to the inner 1758bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1759bbd00f7eSHadar Hen Zion */ 176093b3586eSHuy Nguyen match_level = inner_match_level; 17618377629eSEli Britstein headers_c = get_match_headers_criteria(MLX5_FLOW_CONTEXT_ACTION_DECAP, 17628377629eSEli Britstein spec); 17638377629eSEli Britstein headers_v = get_match_headers_value(MLX5_FLOW_CONTEXT_ACTION_DECAP, 17648377629eSEli Britstein spec); 1765bbd00f7eSHadar Hen Zion } 1766bbd00f7eSHadar Hen Zion 17678f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 17688f256622SPablo Neira Ayuso struct flow_match_basic match; 1769e3a2b7edSAmir Vadai 17708f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 17718f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 17728f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 17738f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 17748f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 17758f256622SPablo Neira Ayuso 17768f256622SPablo Neira Ayuso if (match.mask->n_proto) 1777d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1778e3a2b7edSAmir Vadai } 177935a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 178035a605dbSEli Britstein is_vlan_dev(filter_dev)) { 178135a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 178235a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 17838f256622SPablo Neira Ayuso struct flow_match_vlan match; 17848f256622SPablo Neira Ayuso 178535a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 178635a605dbSEli Britstein match.key = &filter_dev_key; 178735a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 178835a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 178935a605dbSEli Britstein match.key->vlan_priority = 0; 179035a605dbSEli Britstein match.mask = &filter_dev_mask; 179135a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 179235a605dbSEli Britstein match.mask->vlan_priority = 0; 179335a605dbSEli Britstein } else { 17948f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 179535a605dbSEli Britstein } 17968f256622SPablo Neira Ayuso if (match.mask->vlan_id || 17978f256622SPablo Neira Ayuso match.mask->vlan_priority || 17988f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 17998f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1800699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1801699e96ddSJianbo Liu svlan_tag, 1); 1802699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1803699e96ddSJianbo Liu svlan_tag, 1); 1804699e96ddSJianbo Liu } else { 1805699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1806699e96ddSJianbo Liu cvlan_tag, 1); 1807699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1808699e96ddSJianbo Liu cvlan_tag, 1); 1809699e96ddSJianbo Liu } 1810095b6cfdSOr Gerlitz 18118f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 18128f256622SPablo Neira Ayuso match.mask->vlan_id); 18138f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 18148f256622SPablo Neira Ayuso match.key->vlan_id); 1815358d79a4SOr Gerlitz 18168f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 18178f256622SPablo Neira Ayuso match.mask->vlan_priority); 18188f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 18198f256622SPablo Neira Ayuso match.key->vlan_priority); 182054782900SOr Gerlitz 1821d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1822095b6cfdSOr Gerlitz } 1823d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1824cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1825cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1826d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1827095b6cfdSOr Gerlitz } 1828095b6cfdSOr Gerlitz 18298f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 18308f256622SPablo Neira Ayuso struct flow_match_vlan match; 18318f256622SPablo Neira Ayuso 183212d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 18338f256622SPablo Neira Ayuso if (match.mask->vlan_id || 18348f256622SPablo Neira Ayuso match.mask->vlan_priority || 18358f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 18368f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1837699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1838699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1839699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1840699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1841699e96ddSJianbo Liu } else { 1842699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1843699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1844699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1845699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1846699e96ddSJianbo Liu } 1847699e96ddSJianbo Liu 1848699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 18498f256622SPablo Neira Ayuso match.mask->vlan_id); 1850699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 18518f256622SPablo Neira Ayuso match.key->vlan_id); 1852699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 18538f256622SPablo Neira Ayuso match.mask->vlan_priority); 1854699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 18558f256622SPablo Neira Ayuso match.key->vlan_priority); 1856699e96ddSJianbo Liu 1857699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1858699e96ddSJianbo Liu } 1859699e96ddSJianbo Liu } 1860699e96ddSJianbo Liu 18618f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 18628f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 186354782900SOr Gerlitz 18648f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1865d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1866d3a80bb5SOr Gerlitz dmac_47_16), 18678f256622SPablo Neira Ayuso match.mask->dst); 1868d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1869d3a80bb5SOr Gerlitz dmac_47_16), 18708f256622SPablo Neira Ayuso match.key->dst); 1871d3a80bb5SOr Gerlitz 1872d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1873d3a80bb5SOr Gerlitz smac_47_16), 18748f256622SPablo Neira Ayuso match.mask->src); 1875d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1876d3a80bb5SOr Gerlitz smac_47_16), 18778f256622SPablo Neira Ayuso match.key->src); 1878d3a80bb5SOr Gerlitz 18798f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 18808f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1881d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 188254782900SOr Gerlitz } 188354782900SOr Gerlitz 18848f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 18858f256622SPablo Neira Ayuso struct flow_match_control match; 188654782900SOr Gerlitz 18878f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 18888f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 188954782900SOr Gerlitz 189054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 18918f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 189254782900SOr Gerlitz return -EOPNOTSUPP; 189354782900SOr Gerlitz 18948f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 189554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 189654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 18978f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 189854782900SOr Gerlitz 189954782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 19008f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 190183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 190254782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 190354782900SOr Gerlitz else 190483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 190554782900SOr Gerlitz } 190654782900SOr Gerlitz } 190754782900SOr Gerlitz 19088f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 19098f256622SPablo Neira Ayuso struct flow_match_basic match; 19108f256622SPablo Neira Ayuso 19118f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 19128f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 191354782900SOr Gerlitz 191454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 19158f256622SPablo Neira Ayuso match.mask->ip_proto); 191654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 19178f256622SPablo Neira Ayuso match.key->ip_proto); 191854782900SOr Gerlitz 19198f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1920d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 192154782900SOr Gerlitz } 192254782900SOr Gerlitz 1923e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 19248f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1925e3a2b7edSAmir Vadai 19268f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1927e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1928e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 19298f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1930e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1931e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 19328f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1933e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1934e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 19358f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1936e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1937e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 19388f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1939de0af0bfSRoi Dayan 19408f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1941d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1942e3a2b7edSAmir Vadai } 1943e3a2b7edSAmir Vadai 1944e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 19458f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1946e3a2b7edSAmir Vadai 19478f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1948e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1949e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 19508f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1951e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1952e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 19538f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1954e3a2b7edSAmir Vadai 1955e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1956e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 19578f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1958e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1959e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 19608f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1961de0af0bfSRoi Dayan 19628f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 19638f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 1964d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1965e3a2b7edSAmir Vadai } 1966e3a2b7edSAmir Vadai 19678f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 19688f256622SPablo Neira Ayuso struct flow_match_ip match; 19691f97a526SOr Gerlitz 19708f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 19718f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 19728f256622SPablo Neira Ayuso match.mask->tos & 0x3); 19738f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 19748f256622SPablo Neira Ayuso match.key->tos & 0x3); 19751f97a526SOr Gerlitz 19768f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 19778f256622SPablo Neira Ayuso match.mask->tos >> 2); 19788f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 19798f256622SPablo Neira Ayuso match.key->tos >> 2); 19801f97a526SOr Gerlitz 19818f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 19828f256622SPablo Neira Ayuso match.mask->ttl); 19838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 19848f256622SPablo Neira Ayuso match.key->ttl); 19851f97a526SOr Gerlitz 19868f256622SPablo Neira Ayuso if (match.mask->ttl && 1987a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1988e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1989e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1990e98bedf5SEli Britstein "Matching on TTL is not supported"); 19911f97a526SOr Gerlitz return -EOPNOTSUPP; 1992e98bedf5SEli Britstein } 1993a8ade55fSOr Gerlitz 19948f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 1995d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 19961f97a526SOr Gerlitz } 19971f97a526SOr Gerlitz 199854782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 199954782900SOr Gerlitz 20008f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 20018f256622SPablo Neira Ayuso struct flow_match_ports match; 20028f256622SPablo Neira Ayuso 20038f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2004e3a2b7edSAmir Vadai switch (ip_proto) { 2005e3a2b7edSAmir Vadai case IPPROTO_TCP: 2006e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20078f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2008e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20098f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2010e3a2b7edSAmir Vadai 2011e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20128f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2013e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20148f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2015e3a2b7edSAmir Vadai break; 2016e3a2b7edSAmir Vadai 2017e3a2b7edSAmir Vadai case IPPROTO_UDP: 2018e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20198f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2020e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20218f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2022e3a2b7edSAmir Vadai 2023e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20248f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2025e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20268f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2027e3a2b7edSAmir Vadai break; 2028e3a2b7edSAmir Vadai default: 2029e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2030e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2031e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2032e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2033e3a2b7edSAmir Vadai return -EINVAL; 2034e3a2b7edSAmir Vadai } 2035de0af0bfSRoi Dayan 20368f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2037d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2038e3a2b7edSAmir Vadai } 2039e3a2b7edSAmir Vadai 20408f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 20418f256622SPablo Neira Ayuso struct flow_match_tcp match; 2042e77834ecSOr Gerlitz 20438f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2044e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 20458f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2046e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 20478f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2048e77834ecSOr Gerlitz 20498f256622SPablo Neira Ayuso if (match.mask->flags) 2050d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2051e77834ecSOr Gerlitz } 2052e77834ecSOr Gerlitz 2053e3a2b7edSAmir Vadai return 0; 2054e3a2b7edSAmir Vadai } 2055e3a2b7edSAmir Vadai 2056de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 205765ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2058de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2059f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 206054c177caSOz Shlomo struct net_device *filter_dev) 2061de0af0bfSRoi Dayan { 206293b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2063e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2064de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2065de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 20661d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 20671d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2068226f2ca3SVlad Buslov bool is_eswitch_flow; 2069de0af0bfSRoi Dayan int err; 2070de0af0bfSRoi Dayan 207193b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 207293b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 207393b3586eSHuy Nguyen 207493b3586eSHuy Nguyen err = __parse_cls_flower(priv, spec, f, filter_dev, &inner_match_level, 207593b3586eSHuy Nguyen &outer_match_level); 207693b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 207793b3586eSHuy Nguyen outer_match_level : inner_match_level; 2078de0af0bfSRoi Dayan 2079226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2080226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 20811d447a39SSaeed Mahameed rep = rpriv->rep; 2082b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 20831d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 208493b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2085e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2086e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2087de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2088de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 208993b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2090de0af0bfSRoi Dayan return -EOPNOTSUPP; 2091de0af0bfSRoi Dayan } 2092de0af0bfSRoi Dayan } 2093de0af0bfSRoi Dayan 2094226f2ca3SVlad Buslov if (is_eswitch_flow) { 209593b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 209693b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 20976363651dSOr Gerlitz } else { 209893b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 20996363651dSOr Gerlitz } 210038aa51c1SOr Gerlitz 2101de0af0bfSRoi Dayan return err; 2102de0af0bfSRoi Dayan } 2103de0af0bfSRoi Dayan 2104d79b6df6SOr Gerlitz struct pedit_headers { 2105d79b6df6SOr Gerlitz struct ethhdr eth; 21060eb69bb9SEli Britstein struct vlan_hdr vlan; 2107d79b6df6SOr Gerlitz struct iphdr ip4; 2108d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2109d79b6df6SOr Gerlitz struct tcphdr tcp; 2110d79b6df6SOr Gerlitz struct udphdr udp; 2111d79b6df6SOr Gerlitz }; 2112d79b6df6SOr Gerlitz 2113c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2114c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2115c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2116c500c86bSPablo Neira Ayuso u32 pedits; 2117c500c86bSPablo Neira Ayuso }; 2118c500c86bSPablo Neira Ayuso 2119d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 212073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 212173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 212273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 212373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 212473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2125d79b6df6SOr Gerlitz }; 2126d79b6df6SOr Gerlitz 2127d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2128d79b6df6SOr Gerlitz 2129d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2130c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2131d79b6df6SOr Gerlitz { 2132d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2133d79b6df6SOr Gerlitz 2134c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2135c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2136d79b6df6SOr Gerlitz 2137d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2138d79b6df6SOr Gerlitz goto out_err; 2139d79b6df6SOr Gerlitz 2140d79b6df6SOr Gerlitz *curr_pmask |= mask; 2141d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2142d79b6df6SOr Gerlitz 2143d79b6df6SOr Gerlitz return 0; 2144d79b6df6SOr Gerlitz 2145d79b6df6SOr Gerlitz out_err: 2146d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2147d79b6df6SOr Gerlitz } 2148d79b6df6SOr Gerlitz 2149d79b6df6SOr Gerlitz struct mlx5_fields { 2150d79b6df6SOr Gerlitz u8 field; 2151d79b6df6SOr Gerlitz u8 size; 2152d79b6df6SOr Gerlitz u32 offset; 215327c11b6bSEli Britstein u32 match_offset; 2154d79b6df6SOr Gerlitz }; 2155d79b6df6SOr Gerlitz 215627c11b6bSEli Britstein #define OFFLOAD(fw_field, size, field, off, match_field) \ 215727c11b6bSEli Britstein {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, \ 215827c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 215927c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 216027c11b6bSEli Britstein 21612ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 21622ef86872SEli Britstein * match. 21632ef86872SEli Britstein */ 21642ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 21652ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 21662ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 21672ef86872SEli Britstein type maskx = *(type *)(maskp); \ 21682ef86872SEli Britstein type valx = *(type *)(valp); \ 21692ef86872SEli Britstein \ 21702ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 21712ef86872SEli Britstein matchmaskx)); \ 21722ef86872SEli Britstein }) 21732ef86872SEli Britstein 217427c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 217527c11b6bSEli Britstein void *matchmaskp, int size) 217627c11b6bSEli Britstein { 217727c11b6bSEli Britstein bool same = false; 217827c11b6bSEli Britstein 217927c11b6bSEli Britstein switch (size) { 218027c11b6bSEli Britstein case sizeof(u8): 21812ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 218227c11b6bSEli Britstein break; 218327c11b6bSEli Britstein case sizeof(u16): 21842ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 218527c11b6bSEli Britstein break; 218627c11b6bSEli Britstein case sizeof(u32): 21872ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 218827c11b6bSEli Britstein break; 218927c11b6bSEli Britstein } 219027c11b6bSEli Britstein 219127c11b6bSEli Britstein return same; 219227c11b6bSEli Britstein } 2193a8e4f0c4SOr Gerlitz 2194d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 219527c11b6bSEli Britstein OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0, dmac_47_16), 219627c11b6bSEli Britstein OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0, dmac_15_0), 219727c11b6bSEli Britstein OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0, smac_47_16), 219827c11b6bSEli Britstein OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0, smac_15_0), 219927c11b6bSEli Britstein OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0, ethertype), 220027c11b6bSEli Britstein OFFLOAD(FIRST_VID, 2, vlan.h_vlan_TCI, 0, first_vid), 2201d79b6df6SOr Gerlitz 220227c11b6bSEli Britstein OFFLOAD(IP_TTL, 1, ip4.ttl, 0, ttl_hoplimit), 220327c11b6bSEli Britstein OFFLOAD(SIPV4, 4, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 220427c11b6bSEli Britstein OFFLOAD(DIPV4, 4, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2205d79b6df6SOr Gerlitz 220627c11b6bSEli Britstein OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0, 220727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 220827c11b6bSEli Britstein OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0, 220927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 221027c11b6bSEli Britstein OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0, 221127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 221227c11b6bSEli Britstein OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0, 221327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 221427c11b6bSEli Britstein OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0, 221527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 221627c11b6bSEli Britstein OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0, 221727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 221827c11b6bSEli Britstein OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0, 221927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 222027c11b6bSEli Britstein OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0, 222127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 222227c11b6bSEli Britstein OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0, ttl_hoplimit), 2223d79b6df6SOr Gerlitz 222427c11b6bSEli Britstein OFFLOAD(TCP_SPORT, 2, tcp.source, 0, tcp_sport), 222527c11b6bSEli Britstein OFFLOAD(TCP_DPORT, 2, tcp.dest, 0, tcp_dport), 222627c11b6bSEli Britstein OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5, tcp_flags), 2227d79b6df6SOr Gerlitz 222827c11b6bSEli Britstein OFFLOAD(UDP_SPORT, 2, udp.source, 0, udp_sport), 222927c11b6bSEli Britstein OFFLOAD(UDP_DPORT, 2, udp.dest, 0, udp_dport), 2230d79b6df6SOr Gerlitz }; 2231d79b6df6SOr Gerlitz 2232218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 2233218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 2234218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 2235d79b6df6SOr Gerlitz */ 2236c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 2237e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 223827c11b6bSEli Britstein u32 *action_flags, 2239e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2240d79b6df6SOr Gerlitz { 2241d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 224227c11b6bSEli Britstein void *headers_c = get_match_headers_criteria(*action_flags, 224327c11b6bSEli Britstein &parse_attr->spec); 224427c11b6bSEli Britstein void *headers_v = get_match_headers_value(*action_flags, 224527c11b6bSEli Britstein &parse_attr->spec); 22462b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 2247d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 2248d79b6df6SOr Gerlitz struct mlx5_fields *f; 2249d79b6df6SOr Gerlitz u8 cmd, field_bsize; 2250e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 2251d79b6df6SOr Gerlitz unsigned long mask; 22522b64bebaSOr Gerlitz __be32 mask_be32; 22532b64bebaSOr Gerlitz __be16 mask_be16; 2254d79b6df6SOr Gerlitz void *action; 2255d79b6df6SOr Gerlitz 225673867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 225773867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 225873867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 225973867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2260d79b6df6SOr Gerlitz 2261d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2262218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 2263218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 2264218d05ceSTonghao Zhang 2265218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 2266218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 2267d79b6df6SOr Gerlitz 2268d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 226927c11b6bSEli Britstein bool skip; 227027c11b6bSEli Britstein 2271d79b6df6SOr Gerlitz f = &fields[i]; 2272d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2273e3ca4e05SOr Gerlitz s_mask = 0; 2274e3ca4e05SOr Gerlitz a_mask = 0; 2275d79b6df6SOr Gerlitz 2276d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2277d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2278d79b6df6SOr Gerlitz 2279d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 2280d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 2281d79b6df6SOr Gerlitz 2282d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2283d79b6df6SOr Gerlitz continue; 2284d79b6df6SOr Gerlitz 2285d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2286e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2287e98bedf5SEli Britstein "can't set and add to the same HW field"); 2288d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2289d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2290d79b6df6SOr Gerlitz } 2291d79b6df6SOr Gerlitz 2292d79b6df6SOr Gerlitz if (nactions == max_actions) { 2293e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2294e98bedf5SEli Britstein "too many pedit actions, can't offload"); 2295d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 2296d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2297d79b6df6SOr Gerlitz } 2298d79b6df6SOr Gerlitz 229927c11b6bSEli Britstein skip = false; 2300d79b6df6SOr Gerlitz if (s_mask) { 230127c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 230227c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 230327c11b6bSEli Britstein 2304d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2305d79b6df6SOr Gerlitz mask = s_mask; 2306d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 230727c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 230827c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 230927c11b6bSEli Britstein match_mask, f->size)) 231027c11b6bSEli Britstein skip = true; 2311d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2312d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 2313d79b6df6SOr Gerlitz } else { 231427c11b6bSEli Britstein u32 zero = 0; 231527c11b6bSEli Britstein 2316d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2317d79b6df6SOr Gerlitz mask = a_mask; 2318d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 231927c11b6bSEli Britstein /* add 0 is no change */ 232027c11b6bSEli Britstein if (!memcmp(vals_p, &zero, f->size)) 232127c11b6bSEli Britstein skip = true; 2322d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2323d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 2324d79b6df6SOr Gerlitz } 232527c11b6bSEli Britstein if (skip) 232627c11b6bSEli Britstein continue; 2327d79b6df6SOr Gerlitz 2328d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 2329e3ca4e05SOr Gerlitz 23302b64bebaSOr Gerlitz if (field_bsize == 32) { 23312b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 23322b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 23332b64bebaSOr Gerlitz } else if (field_bsize == 16) { 23342b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 23352b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 23362b64bebaSOr Gerlitz } 23372b64bebaSOr Gerlitz 2338d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 23392b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 2340d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 23412b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2342e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2343e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 23442b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2345d79b6df6SOr Gerlitz mask); 2346d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2347d79b6df6SOr Gerlitz } 2348d79b6df6SOr Gerlitz 2349d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2350d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2351d79b6df6SOr Gerlitz 2352d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 23532b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 2354d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 23552b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2356d79b6df6SOr Gerlitz } 2357d79b6df6SOr Gerlitz 2358d79b6df6SOr Gerlitz if (field_bsize == 32) 23592b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 2360d79b6df6SOr Gerlitz else if (field_bsize == 16) 23612b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 2362d79b6df6SOr Gerlitz else if (field_bsize == 8) 23632b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2364d79b6df6SOr Gerlitz 2365d79b6df6SOr Gerlitz action += action_size; 2366d79b6df6SOr Gerlitz nactions++; 2367d79b6df6SOr Gerlitz } 2368d79b6df6SOr Gerlitz 2369d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2370d79b6df6SOr Gerlitz return 0; 2371d79b6df6SOr Gerlitz } 2372d79b6df6SOr Gerlitz 23732cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 23742cc1cb1dSTonghao Zhang int namespace) 23752cc1cb1dSTonghao Zhang { 23762cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 23772cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 23782cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 23792cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 23802cc1cb1dSTonghao Zhang } 23812cc1cb1dSTonghao Zhang 2382d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2383c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2384c500c86bSPablo Neira Ayuso int namespace, 2385d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2386d79b6df6SOr Gerlitz { 2387d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2388d79b6df6SOr Gerlitz 2389c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2390c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2391d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2392d79b6df6SOr Gerlitz 23932cc1cb1dSTonghao Zhang max_actions = mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace); 2394d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2395d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2396d79b6df6SOr Gerlitz 2397d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2398d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2399d79b6df6SOr Gerlitz return -ENOMEM; 2400d79b6df6SOr Gerlitz 2401218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2402d79b6df6SOr Gerlitz return 0; 2403d79b6df6SOr Gerlitz } 2404d79b6df6SOr Gerlitz 2405d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2406d79b6df6SOr Gerlitz 2407d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 240873867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2409e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2410c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2411e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2412d79b6df6SOr Gerlitz { 241373867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 241473867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2415d79b6df6SOr Gerlitz u32 mask, val, offset; 241673867881SPablo Neira Ayuso u8 htype; 2417d79b6df6SOr Gerlitz 241873867881SPablo Neira Ayuso htype = act->mangle.htype; 2419d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2420d79b6df6SOr Gerlitz 242173867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 242273867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2423d79b6df6SOr Gerlitz goto out_err; 2424d79b6df6SOr Gerlitz } 2425d79b6df6SOr Gerlitz 24262cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 24272cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 24282cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 24292cc1cb1dSTonghao Zhang goto out_err; 24302cc1cb1dSTonghao Zhang } 24312cc1cb1dSTonghao Zhang 243273867881SPablo Neira Ayuso mask = act->mangle.mask; 243373867881SPablo Neira Ayuso val = act->mangle.val; 243473867881SPablo Neira Ayuso offset = act->mangle.offset; 2435d79b6df6SOr Gerlitz 2436c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2437d79b6df6SOr Gerlitz if (err) 2438d79b6df6SOr Gerlitz goto out_err; 2439c500c86bSPablo Neira Ayuso 2440c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2441d79b6df6SOr Gerlitz 2442c500c86bSPablo Neira Ayuso return 0; 2443c500c86bSPablo Neira Ayuso out_err: 2444c500c86bSPablo Neira Ayuso return err; 2445c500c86bSPablo Neira Ayuso } 2446c500c86bSPablo Neira Ayuso 2447c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2448c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2449c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 245027c11b6bSEli Britstein u32 *action_flags, 2451c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2452c500c86bSPablo Neira Ayuso { 2453c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2454c500c86bSPablo Neira Ayuso int err; 2455c500c86bSPablo Neira Ayuso u8 cmd; 2456c500c86bSPablo Neira Ayuso 2457218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2458c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2459d79b6df6SOr Gerlitz if (err) 2460d79b6df6SOr Gerlitz goto out_err; 2461218d05ceSTonghao Zhang } 2462d79b6df6SOr Gerlitz 246327c11b6bSEli Britstein err = offload_pedit_fields(hdrs, parse_attr, action_flags, extack); 2464d79b6df6SOr Gerlitz if (err < 0) 2465d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2466d79b6df6SOr Gerlitz 2467d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2468c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2469d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2470e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2471e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2472b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2473d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2474d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2475d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2476d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2477d79b6df6SOr Gerlitz } 2478d79b6df6SOr Gerlitz } 2479d79b6df6SOr Gerlitz 2480d79b6df6SOr Gerlitz return 0; 2481d79b6df6SOr Gerlitz 2482d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2483d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2484d79b6df6SOr Gerlitz out_err: 2485d79b6df6SOr Gerlitz return err; 2486d79b6df6SOr Gerlitz } 2487d79b6df6SOr Gerlitz 2488e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2489e98bedf5SEli Britstein u32 action, 2490e98bedf5SEli Britstein u32 update_flags, 2491e98bedf5SEli Britstein struct netlink_ext_ack *extack) 249226c02749SOr Gerlitz { 249326c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 249426c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 249526c02749SOr Gerlitz 249626c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 249726c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2498e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2499e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 250026c02749SOr Gerlitz netdev_warn(priv->netdev, 250126c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 250226c02749SOr Gerlitz return false; 250326c02749SOr Gerlitz } 250426c02749SOr Gerlitz 250526c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2506e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2507e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 250826c02749SOr Gerlitz netdev_warn(priv->netdev, 250926c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 251026c02749SOr Gerlitz update_flags); 251126c02749SOr Gerlitz return false; 251226c02749SOr Gerlitz } 251326c02749SOr Gerlitz 251426c02749SOr Gerlitz return true; 251526c02749SOr Gerlitz } 251626c02749SOr Gerlitz 25178998576bSDmytro Linkin struct ip_ttl_word { 25188998576bSDmytro Linkin __u8 ttl; 25198998576bSDmytro Linkin __u8 protocol; 25208998576bSDmytro Linkin __sum16 check; 25218998576bSDmytro Linkin }; 25228998576bSDmytro Linkin 25238998576bSDmytro Linkin struct ipv6_hoplimit_word { 25248998576bSDmytro Linkin __be16 payload_len; 25258998576bSDmytro Linkin __u8 nexthdr; 25268998576bSDmytro Linkin __u8 hop_limit; 25278998576bSDmytro Linkin }; 25288998576bSDmytro Linkin 25298998576bSDmytro Linkin static bool is_action_keys_supported(const struct flow_action_entry *act) 25308998576bSDmytro Linkin { 25318998576bSDmytro Linkin u32 mask, offset; 25328998576bSDmytro Linkin u8 htype; 25338998576bSDmytro Linkin 25348998576bSDmytro Linkin htype = act->mangle.htype; 25358998576bSDmytro Linkin offset = act->mangle.offset; 25368998576bSDmytro Linkin mask = ~act->mangle.mask; 25378998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 25388998576bSDmytro Linkin * to determine that modified fields 25398998576bSDmytro Linkin * are NOT ttl & hop_limit only. 25408998576bSDmytro Linkin */ 25418998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 25428998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 25438998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 25448998576bSDmytro Linkin 25458998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 25468998576bSDmytro Linkin ttl_word->protocol || 25478998576bSDmytro Linkin ttl_word->check) { 25488998576bSDmytro Linkin return true; 25498998576bSDmytro Linkin } 25508998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 25518998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 25528998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 25538998576bSDmytro Linkin 25548998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 25558998576bSDmytro Linkin hoplimit_word->payload_len || 25568998576bSDmytro Linkin hoplimit_word->nexthdr) { 25578998576bSDmytro Linkin return true; 25588998576bSDmytro Linkin } 25598998576bSDmytro Linkin } 25608998576bSDmytro Linkin return false; 25618998576bSDmytro Linkin } 25628998576bSDmytro Linkin 2563bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 256473867881SPablo Neira Ayuso struct flow_action *flow_action, 25651651925dSGuy Shattah u32 actions, 2566e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2567bdd66ac0SOr Gerlitz { 256873867881SPablo Neira Ayuso const struct flow_action_entry *act; 2569bdd66ac0SOr Gerlitz bool modify_ip_header; 2570bdd66ac0SOr Gerlitz void *headers_v; 2571bdd66ac0SOr Gerlitz u16 ethertype; 25728998576bSDmytro Linkin u8 ip_proto; 257373867881SPablo Neira Ayuso int i; 2574bdd66ac0SOr Gerlitz 25758377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 2576bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2577bdd66ac0SOr Gerlitz 2578bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2579bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2580bdd66ac0SOr Gerlitz goto out_ok; 2581bdd66ac0SOr Gerlitz 2582bdd66ac0SOr Gerlitz modify_ip_header = false; 258373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 258473867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 258573867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2586bdd66ac0SOr Gerlitz continue; 2587bdd66ac0SOr Gerlitz 25888998576bSDmytro Linkin if (is_action_keys_supported(act)) { 2589bdd66ac0SOr Gerlitz modify_ip_header = true; 2590bdd66ac0SOr Gerlitz break; 2591bdd66ac0SOr Gerlitz } 2592bdd66ac0SOr Gerlitz } 2593bdd66ac0SOr Gerlitz 2594bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 25951ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 25961ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2597e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2598e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2599bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2600bdd66ac0SOr Gerlitz return false; 2601bdd66ac0SOr Gerlitz } 2602bdd66ac0SOr Gerlitz 2603bdd66ac0SOr Gerlitz out_ok: 2604bdd66ac0SOr Gerlitz return true; 2605bdd66ac0SOr Gerlitz } 2606bdd66ac0SOr Gerlitz 2607bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 260873867881SPablo Neira Ayuso struct flow_action *flow_action, 2609bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2610e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2611e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2612bdd66ac0SOr Gerlitz { 2613bdd66ac0SOr Gerlitz u32 actions; 2614bdd66ac0SOr Gerlitz 2615226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 2616bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2617bdd66ac0SOr Gerlitz else 2618bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2619bdd66ac0SOr Gerlitz 2620226f2ca3SVlad Buslov if (flow_flag_test(flow, EGRESS) && 262135a605dbSEli Britstein !((actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) || 26226830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 26236830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_DROP))) 26247e29392eSRoi Dayan return false; 26257e29392eSRoi Dayan 2626bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 262773867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2628a655fe9fSDavid S. Miller flow_action, actions, 2629e98bedf5SEli Britstein extack); 2630bdd66ac0SOr Gerlitz 2631bdd66ac0SOr Gerlitz return true; 2632bdd66ac0SOr Gerlitz } 2633bdd66ac0SOr Gerlitz 26345c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 26355c65c564SOr Gerlitz { 26365c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2637816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 26385c65c564SOr Gerlitz 26395c65c564SOr Gerlitz fmdev = priv->mdev; 26405c65c564SOr Gerlitz pmdev = peer_priv->mdev; 26415c65c564SOr Gerlitz 264259c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 264359c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 26445c65c564SOr Gerlitz 2645816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 26465c65c564SOr Gerlitz } 26475c65c564SOr Gerlitz 2648bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2649bdc837eeSEli Britstein const struct flow_action_entry *act, 2650bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2651bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2652bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2653bdc837eeSEli Britstein { 2654bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2655bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2656bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2657bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2658bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2659bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2660bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2661bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2662bdc837eeSEli Britstein }; 26636fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 2664bf2f3bcaSEli Britstein void *headers_c, *headers_v; 2665bdc837eeSEli Britstein int err; 2666bdc837eeSEli Britstein 2667bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 2668bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 2669bf2f3bcaSEli Britstein 2670bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 2671bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 2672bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 2673bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 2674bf2f3bcaSEli Britstein return -EOPNOTSUPP; 2675bf2f3bcaSEli Britstein } 2676bf2f3bcaSEli Britstein 26776fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 26786fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 26796fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 26806fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 26816fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 2682bdc837eeSEli Britstein return -EOPNOTSUPP; 2683bdc837eeSEli Britstein } 2684bdc837eeSEli Britstein 2685bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2686bdc837eeSEli Britstein hdrs, NULL); 2687bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2688bdc837eeSEli Britstein 2689bdc837eeSEli Britstein return err; 2690bdc837eeSEli Britstein } 2691bdc837eeSEli Britstein 26920bac1194SEli Britstein static int 26930bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 26940bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 26950bac1194SEli Britstein struct pedit_headers_action *hdrs, 26960bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 26970bac1194SEli Britstein { 26980bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 26990bac1194SEli Britstein .vlan.vid = 0, 27000bac1194SEli Britstein .vlan.prio = 27010bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 27020bac1194SEli Britstein get_match_headers_value(*action, 27030bac1194SEli Britstein &parse_attr->spec), 27040bac1194SEli Britstein first_prio) & 27050bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 27060bac1194SEli Britstein get_match_headers_criteria(*action, 27070bac1194SEli Britstein &parse_attr->spec), 27080bac1194SEli Britstein first_prio), 27090bac1194SEli Britstein }; 27100bac1194SEli Britstein 27110bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 27120bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 27130bac1194SEli Britstein extack); 27140bac1194SEli Britstein } 27150bac1194SEli Britstein 271673867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 271773867881SPablo Neira Ayuso struct flow_action *flow_action, 2718aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2719e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2720e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2721e3a2b7edSAmir Vadai { 2722aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 272373867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 272473867881SPablo Neira Ayuso const struct flow_action_entry *act; 27251cab1cd7SOr Gerlitz u32 action = 0; 2726244cd96aSCong Wang int err, i; 2727e3a2b7edSAmir Vadai 272873867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2729e3a2b7edSAmir Vadai return -EINVAL; 2730e3a2b7edSAmir Vadai 27313bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2732e3a2b7edSAmir Vadai 273373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 273473867881SPablo Neira Ayuso switch (act->id) { 273573867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 27361cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2737aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2738aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 27391cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 274073867881SPablo Neira Ayuso break; 274173867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 274273867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 274373867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2744c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 27452f4fe4caSOr Gerlitz if (err) 27462f4fe4caSOr Gerlitz return err; 27472f4fe4caSOr Gerlitz 27481cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 27492f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 275073867881SPablo Neira Ayuso break; 2751bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2752bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2753bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2754bdc837eeSEli Britstein act, parse_attr, hdrs, 2755bdc837eeSEli Britstein &action, extack); 2756bdc837eeSEli Britstein if (err) 2757bdc837eeSEli Britstein return err; 2758bdc837eeSEli Britstein 2759bdc837eeSEli Britstein break; 276073867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 27611cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 276273867881SPablo Neira Ayuso act->csum_flags, 2763e98bedf5SEli Britstein extack)) 276473867881SPablo Neira Ayuso break; 276526c02749SOr Gerlitz 276626c02749SOr Gerlitz return -EOPNOTSUPP; 276773867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 276873867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 27695c65c564SOr Gerlitz 27705c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 27715c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 277298b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 2773226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 27741cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 27755c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 27765c65c564SOr Gerlitz } else { 2777e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2778e98bedf5SEli Britstein "device is not on same HW, can't offload"); 27795c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 27805c65c564SOr Gerlitz peer_dev->name); 27815c65c564SOr Gerlitz return -EINVAL; 27825c65c564SOr Gerlitz } 27835c65c564SOr Gerlitz } 278473867881SPablo Neira Ayuso break; 278573867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 278673867881SPablo Neira Ayuso u32 mark = act->mark; 2787e3a2b7edSAmir Vadai 2788e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2789e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2790e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2791e3a2b7edSAmir Vadai return -EINVAL; 2792e3a2b7edSAmir Vadai } 2793e3a2b7edSAmir Vadai 27943bc4b7bfSOr Gerlitz attr->flow_tag = mark; 27951cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2796e3a2b7edSAmir Vadai } 279773867881SPablo Neira Ayuso break; 279873867881SPablo Neira Ayuso default: 27992cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 28002cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 2801e3a2b7edSAmir Vadai } 280273867881SPablo Neira Ayuso } 2803e3a2b7edSAmir Vadai 2804c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2805c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2806c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 280727c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 2808c500c86bSPablo Neira Ayuso if (err) 2809c500c86bSPablo Neira Ayuso return err; 281027c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 281127c11b6bSEli Britstein * flag. 281227c11b6bSEli Britstein */ 2813e7739a60SEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 281427c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2815e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 2816e7739a60SEli Britstein } 2817c500c86bSPablo Neira Ayuso } 2818c500c86bSPablo Neira Ayuso 28191cab1cd7SOr Gerlitz attr->action = action; 282073867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2821bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2822bdd66ac0SOr Gerlitz 2823e3a2b7edSAmir Vadai return 0; 2824e3a2b7edSAmir Vadai } 2825e3a2b7edSAmir Vadai 28267f1a546eSEli Britstein struct encap_key { 28271f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 2828d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 28297f1a546eSEli Britstein }; 28307f1a546eSEli Britstein 28317f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 28327f1a546eSEli Britstein struct encap_key *b) 2833a54e20b4SHadar Hen Zion { 28347f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 2835d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 2836a54e20b4SHadar Hen Zion } 2837a54e20b4SHadar Hen Zion 28387f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 2839a54e20b4SHadar Hen Zion { 28407f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 2841d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 2842a54e20b4SHadar Hen Zion } 2843a54e20b4SHadar Hen Zion 2844a54e20b4SHadar Hen Zion 2845b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2846b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2847b1d90e6bSRabie Loulou { 2848b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2849b1d90e6bSRabie Loulou 2850b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2851b1d90e6bSRabie Loulou 2852b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 285368931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 285468931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 285568931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2856b1d90e6bSRabie Loulou } 2857b1d90e6bSRabie Loulou 2858ce99f6b9SOr Gerlitz 285954c177caSOz Shlomo 2860948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 2861948993f2SVlad Buslov { 2862948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 2863948993f2SVlad Buslov } 2864948993f2SVlad Buslov 2865948993f2SVlad Buslov static struct mlx5e_encap_entry * 2866948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 2867948993f2SVlad Buslov uintptr_t hash_key) 2868948993f2SVlad Buslov { 2869948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2870948993f2SVlad Buslov struct mlx5e_encap_entry *e; 2871948993f2SVlad Buslov struct encap_key e_key; 2872948993f2SVlad Buslov 2873948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2874948993f2SVlad Buslov encap_hlist, hash_key) { 2875948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 2876948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 2877948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 2878948993f2SVlad Buslov mlx5e_encap_take(e)) 2879948993f2SVlad Buslov return e; 2880948993f2SVlad Buslov } 2881948993f2SVlad Buslov 2882948993f2SVlad Buslov return NULL; 2883948993f2SVlad Buslov } 2884948993f2SVlad Buslov 2885a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2886e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2887733d4f36SRoi Dayan struct net_device *mirred_dev, 2888733d4f36SRoi Dayan int out_index, 28898c4dc42bSEli Britstein struct netlink_ext_ack *extack, 28900ad060eeSRoi Dayan struct net_device **encap_dev, 28910ad060eeSRoi Dayan bool *encap_valid) 289203a9d11eSOr Gerlitz { 2893a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 289445247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2895733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 28961f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 2897948993f2SVlad Buslov struct encap_key key; 2898c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2899733d4f36SRoi Dayan unsigned short family; 2900a54e20b4SHadar Hen Zion uintptr_t hash_key; 290154c177caSOz Shlomo int err = 0; 2902a54e20b4SHadar Hen Zion 2903733d4f36SRoi Dayan parse_attr = attr->parse_attr; 29041f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 2905733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 29067f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 2907d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 2908d71f895cSEli Cohen if (!key.tc_tunnel) { 2909d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 2910d71f895cSEli Cohen return -EOPNOTSUPP; 2911d71f895cSEli Cohen } 2912733d4f36SRoi Dayan 29137f1a546eSEli Britstein hash_key = hash_encap_info(&key); 2914a54e20b4SHadar Hen Zion 291561086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 2916948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 2917a54e20b4SHadar Hen Zion 2918b2812089SVlad Buslov /* must verify if encap is valid or not */ 2919d589e785SVlad Buslov if (e) { 2920d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 2921d589e785SVlad Buslov wait_for_completion(&e->res_ready); 2922d589e785SVlad Buslov 2923d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 2924d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 29253c140dd5SVlad Buslov if (e->compl_result < 0) { 2926d589e785SVlad Buslov err = -EREMOTEIO; 2927d589e785SVlad Buslov goto out_err; 2928d589e785SVlad Buslov } 292945247bf2SOr Gerlitz goto attach_flow; 2930d589e785SVlad Buslov } 2931a54e20b4SHadar Hen Zion 2932a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 293361086f39SVlad Buslov if (!e) { 293461086f39SVlad Buslov err = -ENOMEM; 293561086f39SVlad Buslov goto out_err; 293661086f39SVlad Buslov } 2937a54e20b4SHadar Hen Zion 2938948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 2939d589e785SVlad Buslov init_completion(&e->res_ready); 2940d589e785SVlad Buslov 29411f6da306SYevgeny Kliteynik e->tun_info = tun_info; 2942101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 2943d589e785SVlad Buslov if (err) { 2944d589e785SVlad Buslov kfree(e); 2945d589e785SVlad Buslov e = NULL; 294654c177caSOz Shlomo goto out_err; 2947d589e785SVlad Buslov } 294854c177caSOz Shlomo 2949a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2950d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2951d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 2952a54e20b4SHadar Hen Zion 2953ce99f6b9SOr Gerlitz if (family == AF_INET) 2954101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2955ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2956101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2957ce99f6b9SOr Gerlitz 2958d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 2959d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 2960d589e785SVlad Buslov complete_all(&e->res_ready); 2961d589e785SVlad Buslov if (err) { 2962d589e785SVlad Buslov e->compl_result = err; 2963a54e20b4SHadar Hen Zion goto out_err; 2964d589e785SVlad Buslov } 29653c140dd5SVlad Buslov e->compl_result = 1; 2966a54e20b4SHadar Hen Zion 296745247bf2SOr Gerlitz attach_flow: 2968948993f2SVlad Buslov flow->encaps[out_index].e = e; 29698c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 29708c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 297145247bf2SOr Gerlitz *encap_dev = e->out_dev; 29728c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 29738c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 29748c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 29750ad060eeSRoi Dayan *encap_valid = true; 29768c4dc42bSEli Britstein } else { 29770ad060eeSRoi Dayan *encap_valid = false; 29788c4dc42bSEli Britstein } 297961086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 298045247bf2SOr Gerlitz 2981232c0013SHadar Hen Zion return err; 2982a54e20b4SHadar Hen Zion 2983a54e20b4SHadar Hen Zion out_err: 298461086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 2985d589e785SVlad Buslov if (e) 2986d589e785SVlad Buslov mlx5e_encap_put(priv, e); 2987a54e20b4SHadar Hen Zion return err; 2988a54e20b4SHadar Hen Zion } 2989a54e20b4SHadar Hen Zion 29901482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 299173867881SPablo Neira Ayuso const struct flow_action_entry *act, 29921482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 29931482bd3dSJianbo Liu u32 *action) 29941482bd3dSJianbo Liu { 2995cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2996cc495188SJianbo Liu 2997cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 29981482bd3dSJianbo Liu return -EOPNOTSUPP; 2999cc495188SJianbo Liu 300073867881SPablo Neira Ayuso switch (act->id) { 300173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3002cc495188SJianbo Liu if (vlan_idx) { 3003cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3004cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3005cc495188SJianbo Liu return -EOPNOTSUPP; 3006cc495188SJianbo Liu 3007cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3008cc495188SJianbo Liu } else { 3009cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3010cc495188SJianbo Liu } 301173867881SPablo Neira Ayuso break; 301273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 301373867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 301473867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 301573867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3016cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3017cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3018cc495188SJianbo Liu 3019cc495188SJianbo Liu if (vlan_idx) { 3020cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3021cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3022cc495188SJianbo Liu return -EOPNOTSUPP; 3023cc495188SJianbo Liu 3024cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3025cc495188SJianbo Liu } else { 3026cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 302773867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 302873867881SPablo Neira Ayuso act->vlan.prio)) 3029cc495188SJianbo Liu return -EOPNOTSUPP; 3030cc495188SJianbo Liu 3031cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 30321482bd3dSJianbo Liu } 303373867881SPablo Neira Ayuso break; 303473867881SPablo Neira Ayuso default: 3035bdc837eeSEli Britstein return -EINVAL; 30361482bd3dSJianbo Liu } 30371482bd3dSJianbo Liu 3038cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3039cc495188SJianbo Liu 30401482bd3dSJianbo Liu return 0; 30411482bd3dSJianbo Liu } 30421482bd3dSJianbo Liu 3043278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3044278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3045278748a9SEli Britstein struct net_device **out_dev, 3046278748a9SEli Britstein u32 *action) 3047278748a9SEli Britstein { 3048278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3049278748a9SEli Britstein struct flow_action_entry vlan_act = { 3050278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3051278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3052278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3053278748a9SEli Britstein .vlan.prio = 0, 3054278748a9SEli Britstein }; 3055278748a9SEli Britstein int err; 3056278748a9SEli Britstein 3057278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3058278748a9SEli Britstein if (err) 3059278748a9SEli Britstein return err; 3060278748a9SEli Britstein 3061278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3062278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3063278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3064278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3065278748a9SEli Britstein 3066278748a9SEli Britstein return err; 3067278748a9SEli Britstein } 3068278748a9SEli Britstein 306935a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 307035a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 307135a605dbSEli Britstein u32 *action) 307235a605dbSEli Britstein { 307335a605dbSEli Britstein int nest_level = vlan_get_encap_level(attr->parse_attr->filter_dev); 307435a605dbSEli Britstein struct flow_action_entry vlan_act = { 307535a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 307635a605dbSEli Britstein }; 307735a605dbSEli Britstein int err = 0; 307835a605dbSEli Britstein 307935a605dbSEli Britstein while (nest_level--) { 308035a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 308135a605dbSEli Britstein if (err) 308235a605dbSEli Britstein return err; 308335a605dbSEli Britstein } 308435a605dbSEli Britstein 308535a605dbSEli Britstein return err; 308635a605dbSEli Britstein } 308735a605dbSEli Britstein 3088f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3089f6dc1264SPaul Blakey struct net_device *out_dev) 3090f6dc1264SPaul Blakey { 3091f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 3092f6dc1264SPaul Blakey return true; 3093f6dc1264SPaul Blakey 3094f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 3095f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 3096f6dc1264SPaul Blakey } 3097f6dc1264SPaul Blakey 309873867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 309973867881SPablo Neira Ayuso struct flow_action *flow_action, 3100e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3101e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3102a54e20b4SHadar Hen Zion { 310373867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3104bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3105ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 31066f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 31071d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 310873867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 310973867881SPablo Neira Ayuso const struct flow_action_entry *act; 3110a54e20b4SHadar Hen Zion bool encap = false; 31111cab1cd7SOr Gerlitz u32 action = 0; 3112244cd96aSCong Wang int err, i; 311303a9d11eSOr Gerlitz 311473867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 311503a9d11eSOr Gerlitz return -EINVAL; 311603a9d11eSOr Gerlitz 311773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 311873867881SPablo Neira Ayuso switch (act->id) { 311973867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 31201cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 312103a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 312273867881SPablo Neira Ayuso break; 312373867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 312473867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 312573867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3126c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 3127d7e75a32SOr Gerlitz if (err) 3128d7e75a32SOr Gerlitz return err; 3129d7e75a32SOr Gerlitz 31301cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3131e85e02baSEli Britstein attr->split_count = attr->out_count; 313273867881SPablo Neira Ayuso break; 313373867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 31341cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 313573867881SPablo Neira Ayuso act->csum_flags, extack)) 313673867881SPablo Neira Ayuso break; 313726c02749SOr Gerlitz 313826c02749SOr Gerlitz return -EOPNOTSUPP; 313973867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 314073867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 314103a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3142592d3651SChris Mi struct net_device *out_dev; 314303a9d11eSOr Gerlitz 314473867881SPablo Neira Ayuso out_dev = act->dev; 3145ef381359SOz Shlomo if (!out_dev) { 3146ef381359SOz Shlomo /* out_dev is NULL when filters with 3147ef381359SOz Shlomo * non-existing mirred device are replayed to 3148ef381359SOz Shlomo * the driver. 3149ef381359SOz Shlomo */ 3150ef381359SOz Shlomo return -EINVAL; 3151ef381359SOz Shlomo } 315203a9d11eSOr Gerlitz 3153592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3154e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3155e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 3156592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 3157592d3651SChris Mi attr->out_count); 3158592d3651SChris Mi return -EOPNOTSUPP; 3159592d3651SChris Mi } 3160592d3651SChris Mi 3161f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3162f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3163f6dc1264SPaul Blakey if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 31647ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 31657ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 3166fa833bd5SVlad Buslov struct net_device *uplink_upper; 31677ba58ba7SRabie Loulou 3168fa833bd5SVlad Buslov rcu_read_lock(); 3169fa833bd5SVlad Buslov uplink_upper = 3170fa833bd5SVlad Buslov netdev_master_upper_dev_get_rcu(uplink_dev); 31717ba58ba7SRabie Loulou if (uplink_upper && 31727ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 31737ba58ba7SRabie Loulou uplink_upper == out_dev) 31747ba58ba7SRabie Loulou out_dev = uplink_dev; 3175fa833bd5SVlad Buslov rcu_read_unlock(); 31767ba58ba7SRabie Loulou 3177278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3178278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3179278748a9SEli Britstein &out_dev, 3180278748a9SEli Britstein &action); 3181278748a9SEli Britstein if (err) 3182278748a9SEli Britstein return err; 3183278748a9SEli Britstein } 3184f6dc1264SPaul Blakey 318535a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 318635a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 318735a605dbSEli Britstein &action); 318835a605dbSEli Britstein if (err) 318935a605dbSEli Britstein return err; 319035a605dbSEli Britstein } 3191278748a9SEli Britstein 3192f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3193f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3194f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 3195f6dc1264SPaul Blakey pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3196f6dc1264SPaul Blakey priv->netdev->name, out_dev->name); 3197a0646c88SEli Britstein return -EOPNOTSUPP; 3198f6dc1264SPaul Blakey } 3199a0646c88SEli Britstein 320003a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 32011d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3202df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 3203df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 3204df65a573SEli Britstein attr->out_count++; 3205a54e20b4SHadar Hen Zion } else if (encap) { 32068c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 32078c4dc42bSEli Britstein out_dev->ifindex; 32081f6da306SYevgeny Kliteynik parse_attr->tun_info[attr->out_count] = info; 32098c4dc42bSEli Britstein encap = false; 3210f493f155SEli Britstein attr->dests[attr->out_count].flags |= 3211f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 32121cc26d74SEli Britstein attr->out_count++; 3213df65a573SEli Britstein /* attr->dests[].rep is resolved when we 3214df65a573SEli Britstein * handle encap 3215df65a573SEli Britstein */ 3216ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3217ef381359SOz Shlomo /* All mlx5 devices are called to configure 3218ef381359SOz Shlomo * high level device filters. Therefore, the 3219ef381359SOz Shlomo * *attempt* to install a filter on invalid 3220ef381359SOz Shlomo * eswitch should not trigger an explicit error 3221ef381359SOz Shlomo */ 3222ef381359SOz Shlomo return -EINVAL; 3223a54e20b4SHadar Hen Zion } else { 3224e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3225e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 3226a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3227a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 3228a54e20b4SHadar Hen Zion return -EINVAL; 3229a54e20b4SHadar Hen Zion } 3230a54e20b4SHadar Hen Zion } 323173867881SPablo Neira Ayuso break; 323273867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 323373867881SPablo Neira Ayuso info = act->tunnel; 3234a54e20b4SHadar Hen Zion if (info) 3235a54e20b4SHadar Hen Zion encap = true; 3236a54e20b4SHadar Hen Zion else 3237a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 323803a9d11eSOr Gerlitz 323973867881SPablo Neira Ayuso break; 324073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 324173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 324276b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 324376b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 324476b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 324576b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 324676b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 324776b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 324876b496b1SEli Britstein act, parse_attr, hdrs, 324976b496b1SEli Britstein &action, extack); 325076b496b1SEli Britstein } else { 325173867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 325276b496b1SEli Britstein } 32531482bd3dSJianbo Liu if (err) 32541482bd3dSJianbo Liu return err; 32551482bd3dSJianbo Liu 3256e85e02baSEli Britstein attr->split_count = attr->out_count; 325773867881SPablo Neira Ayuso break; 3258bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3259bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3260bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3261bdc837eeSEli Britstein act, parse_attr, hdrs, 3262bdc837eeSEli Britstein &action, extack); 3263bdc837eeSEli Britstein if (err) 3264bdc837eeSEli Britstein return err; 3265bdc837eeSEli Britstein 3266bdc837eeSEli Britstein attr->split_count = attr->out_count; 3267bdc837eeSEli Britstein break; 326873867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 32691cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 327073867881SPablo Neira Ayuso break; 327173867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 327273867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 3273bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 3274bf07aa73SPaul Blakey 3275bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 3276bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 3277bf07aa73SPaul Blakey return -EOPNOTSUPP; 3278bf07aa73SPaul Blakey } 3279bf07aa73SPaul Blakey if (dest_chain > max_chain) { 3280bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 3281bf07aa73SPaul Blakey return -EOPNOTSUPP; 3282bf07aa73SPaul Blakey } 3283e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3284bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 328573867881SPablo Neira Ayuso break; 3286bf07aa73SPaul Blakey } 328773867881SPablo Neira Ayuso default: 32882cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 32892cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 329003a9d11eSOr Gerlitz } 329173867881SPablo Neira Ayuso } 3292bdd66ac0SOr Gerlitz 32930bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 32940bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 32950bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 32960bac1194SEli Britstein * tag rewrite. 32970bac1194SEli Britstein */ 32980bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 32990bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 33000bac1194SEli Britstein &action, extack); 33010bac1194SEli Britstein if (err) 33020bac1194SEli Britstein return err; 33030bac1194SEli Britstein } 33040bac1194SEli Britstein 3305c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3306c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 330784be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 330827c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3309c500c86bSPablo Neira Ayuso if (err) 3310c500c86bSPablo Neira Ayuso return err; 331127c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 331227c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 331327c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 331427c11b6bSEli Britstein */ 331527c11b6bSEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 331627c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3317e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 331827c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 331927c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 332027c11b6bSEli Britstein attr->split_count = 0; 332127c11b6bSEli Britstein } 3322c500c86bSPablo Neira Ayuso } 3323c500c86bSPablo Neira Ayuso 33241cab1cd7SOr Gerlitz attr->action = action; 332573867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3326bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3327bdd66ac0SOr Gerlitz 3328e88afe75SOr Gerlitz if (attr->dest_chain) { 3329e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3330e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3331e88afe75SOr Gerlitz return -EOPNOTSUPP; 3332e88afe75SOr Gerlitz } 3333e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3334e88afe75SOr Gerlitz } 3335e88afe75SOr Gerlitz 3336e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3337e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3338e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3339592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3340592d3651SChris Mi return -EOPNOTSUPP; 3341592d3651SChris Mi } 3342592d3651SChris Mi 334331c8eba5SOr Gerlitz return 0; 334403a9d11eSOr Gerlitz } 334503a9d11eSOr Gerlitz 3346226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 334760bd4af8SOr Gerlitz { 3348226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 334960bd4af8SOr Gerlitz 3350226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3351226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3352226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3353226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 335460bd4af8SOr Gerlitz 3355226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3356226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3357226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3358226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3359d9ee0491SOr Gerlitz 336060bd4af8SOr Gerlitz *flow_flags = __flow_flags; 336160bd4af8SOr Gerlitz } 336260bd4af8SOr Gerlitz 336305866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 336405866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 336505866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 336605866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 336705866c82SOr Gerlitz .automatic_shrinking = true, 336805866c82SOr Gerlitz }; 336905866c82SOr Gerlitz 3370226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3371226f2ca3SVlad Buslov unsigned long flags) 337205866c82SOr Gerlitz { 3373655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3374655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3375655dc3d2SOr Gerlitz 3376226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3377655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3378ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3379d9ee0491SOr Gerlitz } else /* NIC offload */ 338005866c82SOr Gerlitz return &priv->fs.tc.ht; 338105866c82SOr Gerlitz } 338205866c82SOr Gerlitz 338304de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 338404de7ddaSRoi Dayan { 33851418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3386b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 3387226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 33881418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 33891418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 33901418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 33911418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 33921418ddd9SAviv Heller 339310fbb1cdSRoi Dayan if (!esw_paired) 339410fbb1cdSRoi Dayan return false; 339510fbb1cdSRoi Dayan 339610fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 339710fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 339810fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 339910fbb1cdSRoi Dayan return true; 340010fbb1cdSRoi Dayan 340110fbb1cdSRoi Dayan return false; 340204de7ddaSRoi Dayan } 340304de7ddaSRoi Dayan 3404a88780a9SRoi Dayan static int 3405a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3406226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3407a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3408a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3409e3a2b7edSAmir Vadai { 341017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 34113bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 34125a7e5bcbSVlad Buslov int out_index, err; 3413776b12b6SOr Gerlitz 341465ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 34151b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 341617091853SOr Gerlitz if (!parse_attr || !flow) { 3417e3a2b7edSAmir Vadai err = -ENOMEM; 3418e3a2b7edSAmir Vadai goto err_free; 3419e3a2b7edSAmir Vadai } 3420e3a2b7edSAmir Vadai 3421e3a2b7edSAmir Vadai flow->cookie = f->cookie; 342265ba8fb7SOr Gerlitz flow->flags = flow_flags; 3423655dc3d2SOr Gerlitz flow->priv = priv; 34245a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 34255a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 34265a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 34275a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 34285a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 3429e3a2b7edSAmir Vadai 3430a88780a9SRoi Dayan *__flow = flow; 3431a88780a9SRoi Dayan *__parse_attr = parse_attr; 3432a88780a9SRoi Dayan 3433a88780a9SRoi Dayan return 0; 3434a88780a9SRoi Dayan 3435a88780a9SRoi Dayan err_free: 3436a88780a9SRoi Dayan kfree(flow); 3437a88780a9SRoi Dayan kvfree(parse_attr); 3438a88780a9SRoi Dayan return err; 3439adb4c123SOr Gerlitz } 3440adb4c123SOr Gerlitz 3441988ab9c7STonghao Zhang static void 3442988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 3443988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3444988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3445f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3446988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3447988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3448988ab9c7STonghao Zhang { 3449988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3450988ab9c7STonghao Zhang 3451988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 3452988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 3453ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 3454988ab9c7STonghao Zhang 3455988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3456988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3457988ab9c7STonghao Zhang 3458988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3459988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3460988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3461988ab9c7STonghao Zhang else 3462988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3463988ab9c7STonghao Zhang } 3464988ab9c7STonghao Zhang 346571129676SJason Gunthorpe static struct mlx5e_tc_flow * 346604de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3467f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3468226f2ca3SVlad Buslov unsigned long flow_flags, 3469d11afc26SOz Shlomo struct net_device *filter_dev, 347004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 347171129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3472a88780a9SRoi Dayan { 3473f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3474a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3475a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3476a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3477a88780a9SRoi Dayan int attr_size, err; 3478a88780a9SRoi Dayan 3479226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3480a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3481a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3482a88780a9SRoi Dayan &parse_attr, &flow); 3483a88780a9SRoi Dayan if (err) 3484a88780a9SRoi Dayan goto out; 3485988ab9c7STonghao Zhang 3486d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3487988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 3488988ab9c7STonghao Zhang priv, parse_attr, 3489988ab9c7STonghao Zhang f, in_rep, in_mdev); 3490988ab9c7STonghao Zhang 349154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 349254c177caSOz Shlomo f, filter_dev); 3493d11afc26SOz Shlomo if (err) 3494d11afc26SOz Shlomo goto err_free; 3495a88780a9SRoi Dayan 34966f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 3497a88780a9SRoi Dayan if (err) 3498a88780a9SRoi Dayan goto err_free; 3499a88780a9SRoi Dayan 35007040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 3501ef06c9eeSRoi Dayan if (err) { 3502ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3503aa0cbbaeSOr Gerlitz goto err_free; 35045c40348cSOr Gerlitz 3505b4a23329SRoi Dayan add_unready_flow(flow); 3506ef06c9eeSRoi Dayan } 3507ef06c9eeSRoi Dayan 350871129676SJason Gunthorpe return flow; 3509e3a2b7edSAmir Vadai 3510e3a2b7edSAmir Vadai err_free: 35115a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3512a88780a9SRoi Dayan out: 351371129676SJason Gunthorpe return ERR_PTR(err); 3514a88780a9SRoi Dayan } 3515a88780a9SRoi Dayan 3516f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 351795dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 3518226f2ca3SVlad Buslov unsigned long flow_flags) 351904de7ddaSRoi Dayan { 352004de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 352104de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 352204de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 352304de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 352404de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 352504de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 352604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 352704de7ddaSRoi Dayan int err = 0; 352804de7ddaSRoi Dayan 352904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 353004de7ddaSRoi Dayan if (!peer_esw) 353104de7ddaSRoi Dayan return -ENODEV; 353204de7ddaSRoi Dayan 353304de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 353404de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 353504de7ddaSRoi Dayan 353604de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 353704de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 353804de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 353904de7ddaSRoi Dayan * peer mdev. 354004de7ddaSRoi Dayan */ 3541b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 354204de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 354304de7ddaSRoi Dayan else 354404de7ddaSRoi Dayan in_mdev = priv->mdev; 354504de7ddaSRoi Dayan 354604de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 354795dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 354804de7ddaSRoi Dayan parse_attr->filter_dev, 354971129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 355071129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 355171129676SJason Gunthorpe err = PTR_ERR(peer_flow); 355204de7ddaSRoi Dayan goto out; 355371129676SJason Gunthorpe } 355404de7ddaSRoi Dayan 355504de7ddaSRoi Dayan flow->peer_flow = peer_flow; 3556226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 355704de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 355804de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 355904de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 356004de7ddaSRoi Dayan 356104de7ddaSRoi Dayan out: 356204de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 356304de7ddaSRoi Dayan return err; 356404de7ddaSRoi Dayan } 356504de7ddaSRoi Dayan 356604de7ddaSRoi Dayan static int 356704de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3568f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3569226f2ca3SVlad Buslov unsigned long flow_flags, 357004de7ddaSRoi Dayan struct net_device *filter_dev, 357104de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 357204de7ddaSRoi Dayan { 357304de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 357404de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 357504de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 357604de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 357704de7ddaSRoi Dayan int err; 357804de7ddaSRoi Dayan 357971129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 358071129676SJason Gunthorpe in_mdev); 358171129676SJason Gunthorpe if (IS_ERR(flow)) 358271129676SJason Gunthorpe return PTR_ERR(flow); 358304de7ddaSRoi Dayan 358404de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 358595dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 358604de7ddaSRoi Dayan if (err) { 358704de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 358804de7ddaSRoi Dayan goto out; 358904de7ddaSRoi Dayan } 359004de7ddaSRoi Dayan } 359104de7ddaSRoi Dayan 359204de7ddaSRoi Dayan *__flow = flow; 359304de7ddaSRoi Dayan 359404de7ddaSRoi Dayan return 0; 359504de7ddaSRoi Dayan 359604de7ddaSRoi Dayan out: 359704de7ddaSRoi Dayan return err; 359804de7ddaSRoi Dayan } 359904de7ddaSRoi Dayan 3600a88780a9SRoi Dayan static int 3601a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3602f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3603226f2ca3SVlad Buslov unsigned long flow_flags, 3604d11afc26SOz Shlomo struct net_device *filter_dev, 3605a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3606a88780a9SRoi Dayan { 3607f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3608a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3609a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3610a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3611a88780a9SRoi Dayan int attr_size, err; 3612a88780a9SRoi Dayan 3613bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3614bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3615bf07aa73SPaul Blakey return -EOPNOTSUPP; 3616bf07aa73SPaul Blakey 3617226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3618a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3619a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3620a88780a9SRoi Dayan &parse_attr, &flow); 3621a88780a9SRoi Dayan if (err) 3622a88780a9SRoi Dayan goto out; 3623a88780a9SRoi Dayan 3624d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 362554c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 362654c177caSOz Shlomo f, filter_dev); 3627d11afc26SOz Shlomo if (err) 3628d11afc26SOz Shlomo goto err_free; 3629d11afc26SOz Shlomo 363073867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3631a88780a9SRoi Dayan if (err) 3632a88780a9SRoi Dayan goto err_free; 3633a88780a9SRoi Dayan 3634a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3635a88780a9SRoi Dayan if (err) 3636a88780a9SRoi Dayan goto err_free; 3637a88780a9SRoi Dayan 3638226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 3639a88780a9SRoi Dayan kvfree(parse_attr); 3640a88780a9SRoi Dayan *__flow = flow; 3641a88780a9SRoi Dayan 3642a88780a9SRoi Dayan return 0; 3643a88780a9SRoi Dayan 3644a88780a9SRoi Dayan err_free: 36455a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3646a88780a9SRoi Dayan kvfree(parse_attr); 3647a88780a9SRoi Dayan out: 3648a88780a9SRoi Dayan return err; 3649a88780a9SRoi Dayan } 3650a88780a9SRoi Dayan 3651a88780a9SRoi Dayan static int 3652a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3653f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3654226f2ca3SVlad Buslov unsigned long flags, 3655d11afc26SOz Shlomo struct net_device *filter_dev, 3656a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3657a88780a9SRoi Dayan { 3658a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3659226f2ca3SVlad Buslov unsigned long flow_flags; 3660a88780a9SRoi Dayan int err; 3661a88780a9SRoi Dayan 3662a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3663a88780a9SRoi Dayan 3664bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3665bf07aa73SPaul Blakey return -EOPNOTSUPP; 3666bf07aa73SPaul Blakey 3667f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3668d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3669d11afc26SOz Shlomo filter_dev, flow); 3670a88780a9SRoi Dayan else 3671d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3672d11afc26SOz Shlomo filter_dev, flow); 3673a88780a9SRoi Dayan 3674a88780a9SRoi Dayan return err; 3675a88780a9SRoi Dayan } 3676a88780a9SRoi Dayan 367771d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3678226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3679a88780a9SRoi Dayan { 3680a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3681d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3682a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3683a88780a9SRoi Dayan int err = 0; 3684a88780a9SRoi Dayan 3685c5d326b2SVlad Buslov rcu_read_lock(); 3686c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3687c5d326b2SVlad Buslov rcu_read_unlock(); 3688a88780a9SRoi Dayan if (flow) { 3689a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3690a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3691a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3692a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3693a88780a9SRoi Dayan f->cookie); 36940e1c1a2fSVlad Buslov err = -EEXIST; 3695a88780a9SRoi Dayan goto out; 3696a88780a9SRoi Dayan } 3697a88780a9SRoi Dayan 3698d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3699a88780a9SRoi Dayan if (err) 3700a88780a9SRoi Dayan goto out; 3701a88780a9SRoi Dayan 3702c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 3703a88780a9SRoi Dayan if (err) 3704a88780a9SRoi Dayan goto err_free; 3705a88780a9SRoi Dayan 3706a88780a9SRoi Dayan return 0; 3707a88780a9SRoi Dayan 3708a88780a9SRoi Dayan err_free: 37095a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3710a88780a9SRoi Dayan out: 3711e3a2b7edSAmir Vadai return err; 3712e3a2b7edSAmir Vadai } 3713e3a2b7edSAmir Vadai 37148f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 37158f8ae895SOr Gerlitz { 3716226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 3717226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 37188f8ae895SOr Gerlitz 3719226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 3720226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 37218f8ae895SOr Gerlitz } 37228f8ae895SOr Gerlitz 372371d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 3724226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3725e3a2b7edSAmir Vadai { 3726d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3727e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3728c5d326b2SVlad Buslov int err; 3729e3a2b7edSAmir Vadai 3730c5d326b2SVlad Buslov rcu_read_lock(); 373105866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3732c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 3733c5d326b2SVlad Buslov err = -EINVAL; 3734c5d326b2SVlad Buslov goto errout; 3735c5d326b2SVlad Buslov } 3736e3a2b7edSAmir Vadai 3737c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 3738c5d326b2SVlad Buslov * set. 3739c5d326b2SVlad Buslov */ 3740c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 3741c5d326b2SVlad Buslov err = -EINVAL; 3742c5d326b2SVlad Buslov goto errout; 3743c5d326b2SVlad Buslov } 374405866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3745c5d326b2SVlad Buslov rcu_read_unlock(); 3746e3a2b7edSAmir Vadai 37475a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3748e3a2b7edSAmir Vadai 3749e3a2b7edSAmir Vadai return 0; 3750c5d326b2SVlad Buslov 3751c5d326b2SVlad Buslov errout: 3752c5d326b2SVlad Buslov rcu_read_unlock(); 3753c5d326b2SVlad Buslov return err; 3754e3a2b7edSAmir Vadai } 3755e3a2b7edSAmir Vadai 375671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 3757226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3758aad7e08dSAmir Vadai { 375904de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3760d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 376104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3762aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3763aad7e08dSAmir Vadai struct mlx5_fc *counter; 3764316d5f72SRoi Dayan u64 lastuse = 0; 3765316d5f72SRoi Dayan u64 packets = 0; 3766316d5f72SRoi Dayan u64 bytes = 0; 37675a7e5bcbSVlad Buslov int err = 0; 3768aad7e08dSAmir Vadai 3769c5d326b2SVlad Buslov rcu_read_lock(); 3770c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 37715a7e5bcbSVlad Buslov tc_ht_params)); 3772c5d326b2SVlad Buslov rcu_read_unlock(); 37735a7e5bcbSVlad Buslov if (IS_ERR(flow)) 37745a7e5bcbSVlad Buslov return PTR_ERR(flow); 37755a7e5bcbSVlad Buslov 37765a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 37775a7e5bcbSVlad Buslov err = -EINVAL; 37785a7e5bcbSVlad Buslov goto errout; 37795a7e5bcbSVlad Buslov } 3780aad7e08dSAmir Vadai 3781226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 3782b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3783aad7e08dSAmir Vadai if (!counter) 37845a7e5bcbSVlad Buslov goto errout; 3785aad7e08dSAmir Vadai 3786aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3787316d5f72SRoi Dayan } 3788aad7e08dSAmir Vadai 3789316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3790316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3791316d5f72SRoi Dayan */ 379204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 379304de7ddaSRoi Dayan if (!peer_esw) 379404de7ddaSRoi Dayan goto out; 379504de7ddaSRoi Dayan 3796226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 3797226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 379804de7ddaSRoi Dayan u64 bytes2; 379904de7ddaSRoi Dayan u64 packets2; 380004de7ddaSRoi Dayan u64 lastuse2; 380104de7ddaSRoi Dayan 380204de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3803316d5f72SRoi Dayan if (!counter) 3804316d5f72SRoi Dayan goto no_peer_counter; 380504de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 380604de7ddaSRoi Dayan 380704de7ddaSRoi Dayan bytes += bytes2; 380804de7ddaSRoi Dayan packets += packets2; 380904de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 381004de7ddaSRoi Dayan } 381104de7ddaSRoi Dayan 3812316d5f72SRoi Dayan no_peer_counter: 381304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 381404de7ddaSRoi Dayan out: 38153b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 38165a7e5bcbSVlad Buslov errout: 38175a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 38185a7e5bcbSVlad Buslov return err; 3819aad7e08dSAmir Vadai } 3820aad7e08dSAmir Vadai 3821fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 3822fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 3823fcb64c0fSEli Cohen { 3824fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3825fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 3826fcb64c0fSEli Cohen u16 vport_num; 3827fcb64c0fSEli Cohen u32 rate_mbps; 3828fcb64c0fSEli Cohen int err; 3829fcb64c0fSEli Cohen 3830fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 3831fcb64c0fSEli Cohen /* rate is given in bytes/sec. 3832fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 3833fcb64c0fSEli Cohen * mbit means million bits. 3834fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 3835fcb64c0fSEli Cohen * 1 mbit/sec. 3836fcb64c0fSEli Cohen */ 3837fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 3838fcb64c0fSEli Cohen vport_num = rpriv->rep->vport; 3839fcb64c0fSEli Cohen 3840fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 3841fcb64c0fSEli Cohen if (err) 3842fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 3843fcb64c0fSEli Cohen 3844fcb64c0fSEli Cohen return err; 3845fcb64c0fSEli Cohen } 3846fcb64c0fSEli Cohen 3847fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 3848fcb64c0fSEli Cohen struct flow_action *flow_action, 3849fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 3850fcb64c0fSEli Cohen { 3851fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3852fcb64c0fSEli Cohen const struct flow_action_entry *act; 3853fcb64c0fSEli Cohen int err; 3854fcb64c0fSEli Cohen int i; 3855fcb64c0fSEli Cohen 3856fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 3857fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 3858fcb64c0fSEli Cohen return -EINVAL; 3859fcb64c0fSEli Cohen } 3860fcb64c0fSEli Cohen 3861fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 3862fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 3863fcb64c0fSEli Cohen return -EOPNOTSUPP; 3864fcb64c0fSEli Cohen } 3865fcb64c0fSEli Cohen 3866fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 3867fcb64c0fSEli Cohen switch (act->id) { 3868fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 3869fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 3870fcb64c0fSEli Cohen if (err) 3871fcb64c0fSEli Cohen return err; 3872fcb64c0fSEli Cohen 3873fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 3874fcb64c0fSEli Cohen break; 3875fcb64c0fSEli Cohen default: 3876fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 3877fcb64c0fSEli Cohen return -EOPNOTSUPP; 3878fcb64c0fSEli Cohen } 3879fcb64c0fSEli Cohen } 3880fcb64c0fSEli Cohen 3881fcb64c0fSEli Cohen return 0; 3882fcb64c0fSEli Cohen } 3883fcb64c0fSEli Cohen 3884fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 3885fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3886fcb64c0fSEli Cohen { 3887fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 3888fcb64c0fSEli Cohen int prio = TC_H_MAJ(ma->common.prio) >> 16; 3889fcb64c0fSEli Cohen 3890fcb64c0fSEli Cohen if (prio != 1) { 3891fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 3892fcb64c0fSEli Cohen return -EINVAL; 3893fcb64c0fSEli Cohen } 3894fcb64c0fSEli Cohen 3895fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 3896fcb64c0fSEli Cohen } 3897fcb64c0fSEli Cohen 3898fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 3899fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3900fcb64c0fSEli Cohen { 3901fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 3902fcb64c0fSEli Cohen 3903fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 3904fcb64c0fSEli Cohen } 3905fcb64c0fSEli Cohen 3906fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 3907fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3908fcb64c0fSEli Cohen { 3909fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3910fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 3911fcb64c0fSEli Cohen u64 dbytes; 3912fcb64c0fSEli Cohen u64 dpkts; 3913fcb64c0fSEli Cohen 3914fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 3915fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 3916fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 3917fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 3918fcb64c0fSEli Cohen flow_stats_update(&ma->stats, dpkts, dbytes, jiffies); 3919fcb64c0fSEli Cohen } 3920fcb64c0fSEli Cohen 39214d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 39224d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 39234d8fcf21SAlaa Hleihel { 39244d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 3925db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 3926db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 39274d8fcf21SAlaa Hleihel u16 peer_vhca_id; 39284d8fcf21SAlaa Hleihel int bkt; 39294d8fcf21SAlaa Hleihel 39304d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 39314d8fcf21SAlaa Hleihel return; 39324d8fcf21SAlaa Hleihel 39334d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 39344d8fcf21SAlaa Hleihel 3935b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 3936db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 3937db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 3938db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 3939b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 3940db76ca24SVlad Buslov 3941db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 3942db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 3943db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 3944db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 3945db76ca24SVlad Buslov 3946db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 3947db76ca24SVlad Buslov } 39484d8fcf21SAlaa Hleihel } 39494d8fcf21SAlaa Hleihel 39504d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 39514d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 39524d8fcf21SAlaa Hleihel { 39534d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 39544d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 39554d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 39564d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 39574d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 39584d8fcf21SAlaa Hleihel 39594d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 39604d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 39614d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 39624d8fcf21SAlaa Hleihel return NOTIFY_DONE; 39634d8fcf21SAlaa Hleihel 39644d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 39654d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 39664d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 39674d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 39684d8fcf21SAlaa Hleihel if (priv == peer_priv || 39694d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 39704d8fcf21SAlaa Hleihel return NOTIFY_DONE; 39714d8fcf21SAlaa Hleihel 39724d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 39734d8fcf21SAlaa Hleihel 39744d8fcf21SAlaa Hleihel return NOTIFY_DONE; 39754d8fcf21SAlaa Hleihel } 39764d8fcf21SAlaa Hleihel 3977655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3978e8f887acSAmir Vadai { 3979acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 39804d8fcf21SAlaa Hleihel int err; 3981e8f887acSAmir Vadai 3982b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 3983d2faae25SVlad Buslov mutex_init(&tc->mod_hdr.lock); 3984dd58edc3SVlad Buslov hash_init(tc->mod_hdr.hlist); 3985b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 39865c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 398711c9c548SOr Gerlitz 39884d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 39894d8fcf21SAlaa Hleihel if (err) 39904d8fcf21SAlaa Hleihel return err; 39914d8fcf21SAlaa Hleihel 39924d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 39934d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 39944d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 39954d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 39964d8fcf21SAlaa Hleihel } 39974d8fcf21SAlaa Hleihel 39984d8fcf21SAlaa Hleihel return err; 3999e8f887acSAmir Vadai } 4000e8f887acSAmir Vadai 4001e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4002e8f887acSAmir Vadai { 4003e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4004655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4005e8f887acSAmir Vadai 4006961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4007e8f887acSAmir Vadai kfree(flow); 4008e8f887acSAmir Vadai } 4009e8f887acSAmir Vadai 4010655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4011e8f887acSAmir Vadai { 4012acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4013e8f887acSAmir Vadai 40144d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 40154d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 40164d8fcf21SAlaa Hleihel 4017d2faae25SVlad Buslov mutex_destroy(&tc->mod_hdr.lock); 4018b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4019b32accdaSVlad Buslov 4020d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4021e8f887acSAmir Vadai 4022acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4023acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4024acff797cSMaor Gottlieb tc->t = NULL; 4025e8f887acSAmir Vadai } 4026b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4027e8f887acSAmir Vadai } 4028655dc3d2SOr Gerlitz 4029655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4030655dc3d2SOr Gerlitz { 4031655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 4032655dc3d2SOr Gerlitz } 4033655dc3d2SOr Gerlitz 4034655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4035655dc3d2SOr Gerlitz { 4036655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 4037655dc3d2SOr Gerlitz } 403801252a27SOr Gerlitz 4039226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 404001252a27SOr Gerlitz { 4041d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 404201252a27SOr Gerlitz 404301252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 404401252a27SOr Gerlitz } 404504de7ddaSRoi Dayan 404604de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 404704de7ddaSRoi Dayan { 404804de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 404904de7ddaSRoi Dayan 405004de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 405104de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 405204de7ddaSRoi Dayan } 4053b4a23329SRoi Dayan 4054b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4055b4a23329SRoi Dayan { 4056b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4057b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4058b4a23329SRoi Dayan reoffload_flows_work); 4059b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4060b4a23329SRoi Dayan 4061ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4062b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4063b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4064ad86755bSVlad Buslov unready_flow_del(flow); 4065b4a23329SRoi Dayan } 4066ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4067b4a23329SRoi Dayan } 4068