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) */ 1292a1f1768SVlad Buslov int tmp_efi_index; 1306a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1315a7e5bcbSVlad Buslov refcount_t refcnt; 132c5d326b2SVlad Buslov struct rcu_head rcu_head; 1333bc4b7bfSOr Gerlitz union { 134ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1353bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1363bc4b7bfSOr Gerlitz }; 137e8f887acSAmir Vadai }; 138e8f887acSAmir Vadai 13917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1401f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 141d11afc26SOz Shlomo struct net_device *filter_dev; 14217091853SOr Gerlitz struct mlx5_flow_spec spec; 143d79b6df6SOr Gerlitz int num_mod_hdr_actions; 144218d05ceSTonghao Zhang int max_mod_hdr_actions; 145d79b6df6SOr Gerlitz void *mod_hdr_actions; 14698b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 14717091853SOr Gerlitz }; 14817091853SOr Gerlitz 149acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 150b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 151e8f887acSAmir Vadai 15277ab67b7SOr Gerlitz struct mlx5e_hairpin { 15377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 15477ab67b7SOr Gerlitz 15577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1563f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 15777ab67b7SOr Gerlitz u32 tdn; 15877ab67b7SOr Gerlitz u32 tirn; 1593f6d08d1SOr Gerlitz 1603f6d08d1SOr Gerlitz int num_channels; 1613f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1623f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1633f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 16477ab67b7SOr Gerlitz }; 16577ab67b7SOr Gerlitz 1665c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1675c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1685c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1695c65c564SOr Gerlitz 17073edca73SVlad Buslov /* protects flows list */ 17173edca73SVlad Buslov spinlock_t flows_lock; 1725c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1735c65c564SOr Gerlitz struct list_head flows; 174db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 175db76ca24SVlad Buslov * function traversed them. 176db76ca24SVlad Buslov */ 177db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 1785c65c564SOr Gerlitz 179d8822868SOr Gerlitz u16 peer_vhca_id; 180106be53bSOr Gerlitz u8 prio; 1815c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 182e4f9abbdSVlad Buslov refcount_t refcnt; 183db76ca24SVlad Buslov struct completion res_ready; 1845c65c564SOr Gerlitz }; 1855c65c564SOr Gerlitz 18611c9c548SOr Gerlitz struct mod_hdr_key { 18711c9c548SOr Gerlitz int num_actions; 18811c9c548SOr Gerlitz void *actions; 18911c9c548SOr Gerlitz }; 19011c9c548SOr Gerlitz 19111c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 19211c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 19311c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 19411c9c548SOr Gerlitz 19583a52f0dSVlad Buslov /* protects flows list */ 19683a52f0dSVlad Buslov spinlock_t flows_lock; 19711c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 19811c9c548SOr Gerlitz struct list_head flows; 19911c9c548SOr Gerlitz 20011c9c548SOr Gerlitz struct mod_hdr_key key; 20111c9c548SOr Gerlitz 20211c9c548SOr Gerlitz u32 mod_hdr_id; 203dd58edc3SVlad Buslov 204dd58edc3SVlad Buslov refcount_t refcnt; 205a734d007SVlad Buslov struct completion res_ready; 206a734d007SVlad Buslov int compl_result; 20711c9c548SOr Gerlitz }; 20811c9c548SOr Gerlitz 20911c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 21011c9c548SOr Gerlitz 2115a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 2125a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 2135a7e5bcbSVlad Buslov 2145a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 2155a7e5bcbSVlad Buslov { 2165a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 2175a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 2185a7e5bcbSVlad Buslov return flow; 2195a7e5bcbSVlad Buslov } 2205a7e5bcbSVlad Buslov 2215a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 2225a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 2235a7e5bcbSVlad Buslov { 2245a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 2255a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 226c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 2275a7e5bcbSVlad Buslov } 2285a7e5bcbSVlad Buslov } 2295a7e5bcbSVlad Buslov 230226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 231226f2ca3SVlad Buslov { 232226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 233226f2ca3SVlad Buslov smp_mb__before_atomic(); 234226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 235226f2ca3SVlad Buslov } 236226f2ca3SVlad Buslov 237226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 238226f2ca3SVlad Buslov 239c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 240c5d326b2SVlad Buslov unsigned long flag) 241c5d326b2SVlad Buslov { 242c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 243c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 244c5d326b2SVlad Buslov } 245c5d326b2SVlad Buslov 246c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 247c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 248c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 249c5d326b2SVlad Buslov 250226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 251226f2ca3SVlad Buslov { 252226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 253226f2ca3SVlad Buslov smp_mb__before_atomic(); 254226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 255226f2ca3SVlad Buslov } 256226f2ca3SVlad Buslov 257226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 258226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 259226f2ca3SVlad Buslov 260226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 261226f2ca3SVlad Buslov { 262226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 263226f2ca3SVlad Buslov 264226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 265226f2ca3SVlad Buslov smp_mb__after_atomic(); 266226f2ca3SVlad Buslov return ret; 267226f2ca3SVlad Buslov } 268226f2ca3SVlad Buslov 269226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 270226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 271226f2ca3SVlad Buslov 272226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 273226f2ca3SVlad Buslov { 274226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 275226f2ca3SVlad Buslov } 276226f2ca3SVlad Buslov 277226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 278226f2ca3SVlad Buslov { 279226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 280226f2ca3SVlad Buslov } 281226f2ca3SVlad Buslov 28211c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 28311c9c548SOr Gerlitz { 28411c9c548SOr Gerlitz return jhash(key->actions, 28511c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 28611c9c548SOr Gerlitz } 28711c9c548SOr Gerlitz 28811c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 28911c9c548SOr Gerlitz struct mod_hdr_key *b) 29011c9c548SOr Gerlitz { 29111c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 29211c9c548SOr Gerlitz return 1; 29311c9c548SOr Gerlitz 29411c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 29511c9c548SOr Gerlitz } 29611c9c548SOr Gerlitz 297dd58edc3SVlad Buslov static struct mod_hdr_tbl * 298dd58edc3SVlad Buslov get_mod_hdr_table(struct mlx5e_priv *priv, int namespace) 299dd58edc3SVlad Buslov { 300dd58edc3SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 301dd58edc3SVlad Buslov 302dd58edc3SVlad Buslov return namespace == MLX5_FLOW_NAMESPACE_FDB ? &esw->offloads.mod_hdr : 303dd58edc3SVlad Buslov &priv->fs.tc.mod_hdr; 304dd58edc3SVlad Buslov } 305dd58edc3SVlad Buslov 306dd58edc3SVlad Buslov static struct mlx5e_mod_hdr_entry * 307dd58edc3SVlad Buslov mlx5e_mod_hdr_get(struct mod_hdr_tbl *tbl, struct mod_hdr_key *key, u32 hash_key) 308dd58edc3SVlad Buslov { 309dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh, *found = NULL; 310dd58edc3SVlad Buslov 311dd58edc3SVlad Buslov hash_for_each_possible(tbl->hlist, mh, mod_hdr_hlist, hash_key) { 312dd58edc3SVlad Buslov if (!cmp_mod_hdr_info(&mh->key, key)) { 313dd58edc3SVlad Buslov refcount_inc(&mh->refcnt); 314dd58edc3SVlad Buslov found = mh; 315dd58edc3SVlad Buslov break; 316dd58edc3SVlad Buslov } 317dd58edc3SVlad Buslov } 318dd58edc3SVlad Buslov 319dd58edc3SVlad Buslov return found; 320dd58edc3SVlad Buslov } 321dd58edc3SVlad Buslov 322dd58edc3SVlad Buslov static void mlx5e_mod_hdr_put(struct mlx5e_priv *priv, 323d2faae25SVlad Buslov struct mlx5e_mod_hdr_entry *mh, 324d2faae25SVlad Buslov int namespace) 325dd58edc3SVlad Buslov { 326d2faae25SVlad Buslov struct mod_hdr_tbl *tbl = get_mod_hdr_table(priv, namespace); 327d2faae25SVlad Buslov 328d2faae25SVlad Buslov if (!refcount_dec_and_mutex_lock(&mh->refcnt, &tbl->lock)) 329dd58edc3SVlad Buslov return; 330d2faae25SVlad Buslov hash_del(&mh->mod_hdr_hlist); 331d2faae25SVlad Buslov mutex_unlock(&tbl->lock); 332dd58edc3SVlad Buslov 333dd58edc3SVlad Buslov WARN_ON(!list_empty(&mh->flows)); 334a734d007SVlad Buslov if (mh->compl_result > 0) 335dd58edc3SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 336d2faae25SVlad Buslov 337dd58edc3SVlad Buslov kfree(mh); 338dd58edc3SVlad Buslov } 339dd58edc3SVlad Buslov 340d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 341d2faae25SVlad Buslov { 342d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 343d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 344d2faae25SVlad Buslov } 34511c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 34611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 34711c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 34811c9c548SOr Gerlitz { 34911c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 35011c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 351dd58edc3SVlad Buslov struct mod_hdr_tbl *tbl; 35211c9c548SOr Gerlitz struct mod_hdr_key key; 35311c9c548SOr Gerlitz u32 hash_key; 35411c9c548SOr Gerlitz 35511c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 35611c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 35711c9c548SOr Gerlitz 35811c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 35911c9c548SOr Gerlitz key.num_actions = num_actions; 36011c9c548SOr Gerlitz 36111c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 36211c9c548SOr Gerlitz 363d2faae25SVlad Buslov namespace = get_flow_name_space(flow); 364dd58edc3SVlad Buslov tbl = get_mod_hdr_table(priv, namespace); 36511c9c548SOr Gerlitz 366d2faae25SVlad Buslov mutex_lock(&tbl->lock); 367dd58edc3SVlad Buslov mh = mlx5e_mod_hdr_get(tbl, &key, hash_key); 368a734d007SVlad Buslov if (mh) { 369a734d007SVlad Buslov mutex_unlock(&tbl->lock); 370a734d007SVlad Buslov wait_for_completion(&mh->res_ready); 371a734d007SVlad Buslov 372a734d007SVlad Buslov if (mh->compl_result < 0) { 373a734d007SVlad Buslov err = -EREMOTEIO; 374a734d007SVlad Buslov goto attach_header_err; 375a734d007SVlad Buslov } 37611c9c548SOr Gerlitz goto attach_flow; 377a734d007SVlad Buslov } 37811c9c548SOr Gerlitz 37911c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 380d2faae25SVlad Buslov if (!mh) { 381a734d007SVlad Buslov mutex_unlock(&tbl->lock); 382a734d007SVlad Buslov return -ENOMEM; 383d2faae25SVlad Buslov } 38411c9c548SOr Gerlitz 38511c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 38611c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 38711c9c548SOr Gerlitz mh->key.num_actions = num_actions; 38883a52f0dSVlad Buslov spin_lock_init(&mh->flows_lock); 38911c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 390dd58edc3SVlad Buslov refcount_set(&mh->refcnt, 1); 391a734d007SVlad Buslov init_completion(&mh->res_ready); 392a734d007SVlad Buslov 393a734d007SVlad Buslov hash_add(tbl->hlist, &mh->mod_hdr_hlist, hash_key); 394a734d007SVlad Buslov mutex_unlock(&tbl->lock); 39511c9c548SOr Gerlitz 39611c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 39711c9c548SOr Gerlitz mh->key.num_actions, 39811c9c548SOr Gerlitz mh->key.actions, 39911c9c548SOr Gerlitz &mh->mod_hdr_id); 400a734d007SVlad Buslov if (err) { 401a734d007SVlad Buslov mh->compl_result = err; 402a734d007SVlad Buslov goto alloc_header_err; 403a734d007SVlad Buslov } 404a734d007SVlad Buslov mh->compl_result = 1; 405a734d007SVlad Buslov complete_all(&mh->res_ready); 40611c9c548SOr Gerlitz 40711c9c548SOr Gerlitz attach_flow: 408dd58edc3SVlad Buslov flow->mh = mh; 40983a52f0dSVlad Buslov spin_lock(&mh->flows_lock); 41011c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 41183a52f0dSVlad Buslov spin_unlock(&mh->flows_lock); 412d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 41311c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 41411c9c548SOr Gerlitz else 41511c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 41611c9c548SOr Gerlitz 41711c9c548SOr Gerlitz return 0; 41811c9c548SOr Gerlitz 419a734d007SVlad Buslov alloc_header_err: 420a734d007SVlad Buslov complete_all(&mh->res_ready); 421a734d007SVlad Buslov attach_header_err: 422a734d007SVlad Buslov mlx5e_mod_hdr_put(priv, mh, namespace); 42311c9c548SOr Gerlitz return err; 42411c9c548SOr Gerlitz } 42511c9c548SOr Gerlitz 42611c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 42711c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 42811c9c548SOr Gerlitz { 4295a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 430dd58edc3SVlad Buslov if (!flow->mh) 4315a7e5bcbSVlad Buslov return; 4325a7e5bcbSVlad Buslov 43383a52f0dSVlad Buslov spin_lock(&flow->mh->flows_lock); 43411c9c548SOr Gerlitz list_del(&flow->mod_hdr); 43583a52f0dSVlad Buslov spin_unlock(&flow->mh->flows_lock); 43611c9c548SOr Gerlitz 437d2faae25SVlad Buslov mlx5e_mod_hdr_put(priv, flow->mh, get_flow_name_space(flow)); 438dd58edc3SVlad Buslov flow->mh = NULL; 43911c9c548SOr Gerlitz } 44011c9c548SOr Gerlitz 44177ab67b7SOr Gerlitz static 44277ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 44377ab67b7SOr Gerlitz { 44477ab67b7SOr Gerlitz struct net_device *netdev; 44577ab67b7SOr Gerlitz struct mlx5e_priv *priv; 44677ab67b7SOr Gerlitz 44777ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 44877ab67b7SOr Gerlitz priv = netdev_priv(netdev); 44977ab67b7SOr Gerlitz return priv->mdev; 45077ab67b7SOr Gerlitz } 45177ab67b7SOr Gerlitz 45277ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 45377ab67b7SOr Gerlitz { 45477ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 45577ab67b7SOr Gerlitz void *tirc; 45677ab67b7SOr Gerlitz int err; 45777ab67b7SOr Gerlitz 45877ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 45977ab67b7SOr Gerlitz if (err) 46077ab67b7SOr Gerlitz goto alloc_tdn_err; 46177ab67b7SOr Gerlitz 46277ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 46377ab67b7SOr Gerlitz 46477ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 465ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 46677ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 46777ab67b7SOr Gerlitz 46877ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 46977ab67b7SOr Gerlitz if (err) 47077ab67b7SOr Gerlitz goto create_tir_err; 47177ab67b7SOr Gerlitz 47277ab67b7SOr Gerlitz return 0; 47377ab67b7SOr Gerlitz 47477ab67b7SOr Gerlitz create_tir_err: 47577ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 47677ab67b7SOr Gerlitz alloc_tdn_err: 47777ab67b7SOr Gerlitz return err; 47877ab67b7SOr Gerlitz } 47977ab67b7SOr Gerlitz 48077ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 48177ab67b7SOr Gerlitz { 48277ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 48377ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 48477ab67b7SOr Gerlitz } 48577ab67b7SOr Gerlitz 4863f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 4873f6d08d1SOr Gerlitz { 4883f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 4893f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4903f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 4913f6d08d1SOr Gerlitz 4923f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 4933f6d08d1SOr Gerlitz hp->num_channels); 4943f6d08d1SOr Gerlitz 4953f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 4963f6d08d1SOr Gerlitz ix = i; 497bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 4983f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 4993f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 5003f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 5013f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5023f6d08d1SOr Gerlitz } 5033f6d08d1SOr Gerlitz } 5043f6d08d1SOr Gerlitz 5053f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5063f6d08d1SOr Gerlitz { 5073f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 5083f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5093f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5103f6d08d1SOr Gerlitz void *rqtc; 5113f6d08d1SOr Gerlitz u32 *in; 5123f6d08d1SOr Gerlitz 5133f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5143f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5153f6d08d1SOr Gerlitz if (!in) 5163f6d08d1SOr Gerlitz return -ENOMEM; 5173f6d08d1SOr Gerlitz 5183f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5193f6d08d1SOr Gerlitz 5203f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5213f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5223f6d08d1SOr Gerlitz 5233f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5243f6d08d1SOr Gerlitz 5253f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5263f6d08d1SOr Gerlitz if (!err) 5273f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5283f6d08d1SOr Gerlitz 5293f6d08d1SOr Gerlitz kvfree(in); 5303f6d08d1SOr Gerlitz return err; 5313f6d08d1SOr Gerlitz } 5323f6d08d1SOr Gerlitz 5333f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5343f6d08d1SOr Gerlitz { 5353f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5363f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5373f6d08d1SOr Gerlitz int tt, i, err; 5383f6d08d1SOr Gerlitz void *tirc; 5393f6d08d1SOr Gerlitz 5403f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 541d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 542d930ac79SAya Levin 5433f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5443f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5453f6d08d1SOr Gerlitz 5463f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5473f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5483f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 549bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 550bbeb53b8SAya Levin 5513f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 5523f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 5533f6d08d1SOr Gerlitz if (err) { 5543f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5553f6d08d1SOr Gerlitz goto err_destroy_tirs; 5563f6d08d1SOr Gerlitz } 5573f6d08d1SOr Gerlitz } 5583f6d08d1SOr Gerlitz return 0; 5593f6d08d1SOr Gerlitz 5603f6d08d1SOr Gerlitz err_destroy_tirs: 5613f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 5623f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 5633f6d08d1SOr Gerlitz return err; 5643f6d08d1SOr Gerlitz } 5653f6d08d1SOr Gerlitz 5663f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5673f6d08d1SOr Gerlitz { 5683f6d08d1SOr Gerlitz int tt; 5693f6d08d1SOr Gerlitz 5703f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5713f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 5723f6d08d1SOr Gerlitz } 5733f6d08d1SOr Gerlitz 5743f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5753f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5763f6d08d1SOr Gerlitz { 5773f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5783f6d08d1SOr Gerlitz int tt; 5793f6d08d1SOr Gerlitz 5803f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5813f6d08d1SOr Gerlitz 5823f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 5833f6d08d1SOr Gerlitz 5843f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5853f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 5863f6d08d1SOr Gerlitz 5873f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 5883f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 5893f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 5903f6d08d1SOr Gerlitz } 5913f6d08d1SOr Gerlitz 5923f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 5933f6d08d1SOr Gerlitz { 5943f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5953f6d08d1SOr Gerlitz struct ttc_params ttc_params; 5963f6d08d1SOr Gerlitz int err; 5973f6d08d1SOr Gerlitz 5983f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 5993f6d08d1SOr Gerlitz if (err) 6003f6d08d1SOr Gerlitz return err; 6013f6d08d1SOr Gerlitz 6023f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6033f6d08d1SOr Gerlitz if (err) 6043f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6053f6d08d1SOr Gerlitz 6063f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6073f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6083f6d08d1SOr Gerlitz if (err) 6093f6d08d1SOr Gerlitz goto err_create_ttc_table; 6103f6d08d1SOr Gerlitz 6113f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6123f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6133f6d08d1SOr Gerlitz 6143f6d08d1SOr Gerlitz return 0; 6153f6d08d1SOr Gerlitz 6163f6d08d1SOr Gerlitz err_create_ttc_table: 6173f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6183f6d08d1SOr Gerlitz err_create_indirect_tirs: 6193f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6203f6d08d1SOr Gerlitz 6213f6d08d1SOr Gerlitz return err; 6223f6d08d1SOr Gerlitz } 6233f6d08d1SOr Gerlitz 6243f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6253f6d08d1SOr Gerlitz { 6263f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6273f6d08d1SOr Gerlitz 6283f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6293f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6303f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6313f6d08d1SOr Gerlitz } 6323f6d08d1SOr Gerlitz 63377ab67b7SOr Gerlitz static struct mlx5e_hairpin * 63477ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 63577ab67b7SOr Gerlitz int peer_ifindex) 63677ab67b7SOr Gerlitz { 63777ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 63877ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 63977ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 64077ab67b7SOr Gerlitz int err; 64177ab67b7SOr Gerlitz 64277ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 64377ab67b7SOr Gerlitz if (!hp) 64477ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 64577ab67b7SOr Gerlitz 64677ab67b7SOr Gerlitz func_mdev = priv->mdev; 64777ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 64877ab67b7SOr Gerlitz 64977ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 65077ab67b7SOr Gerlitz if (IS_ERR(pair)) { 65177ab67b7SOr Gerlitz err = PTR_ERR(pair); 65277ab67b7SOr Gerlitz goto create_pair_err; 65377ab67b7SOr Gerlitz } 65477ab67b7SOr Gerlitz hp->pair = pair; 65577ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6563f6d08d1SOr Gerlitz hp->func_priv = priv; 6573f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 65877ab67b7SOr Gerlitz 65977ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 66077ab67b7SOr Gerlitz if (err) 66177ab67b7SOr Gerlitz goto create_transport_err; 66277ab67b7SOr Gerlitz 6633f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6643f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6653f6d08d1SOr Gerlitz if (err) 6663f6d08d1SOr Gerlitz goto rss_init_err; 6673f6d08d1SOr Gerlitz } 6683f6d08d1SOr Gerlitz 66977ab67b7SOr Gerlitz return hp; 67077ab67b7SOr Gerlitz 6713f6d08d1SOr Gerlitz rss_init_err: 6723f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 67377ab67b7SOr Gerlitz create_transport_err: 67477ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 67577ab67b7SOr Gerlitz create_pair_err: 67677ab67b7SOr Gerlitz kfree(hp); 67777ab67b7SOr Gerlitz return ERR_PTR(err); 67877ab67b7SOr Gerlitz } 67977ab67b7SOr Gerlitz 68077ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 68177ab67b7SOr Gerlitz { 6823f6d08d1SOr Gerlitz if (hp->num_channels > 1) 6833f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 68477ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 68577ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 68677ab67b7SOr Gerlitz kvfree(hp); 68777ab67b7SOr Gerlitz } 68877ab67b7SOr Gerlitz 689106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 690106be53bSOr Gerlitz { 691106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 692106be53bSOr Gerlitz } 693106be53bSOr Gerlitz 6945c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 695106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 6965c65c564SOr Gerlitz { 6975c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 698106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 6995c65c564SOr Gerlitz 7005c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 701106be53bSOr Gerlitz hairpin_hlist, hash_key) { 702e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 703e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7045c65c564SOr Gerlitz return hpe; 7055c65c564SOr Gerlitz } 706e4f9abbdSVlad Buslov } 7075c65c564SOr Gerlitz 7085c65c564SOr Gerlitz return NULL; 7095c65c564SOr Gerlitz } 7105c65c564SOr Gerlitz 711e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 712e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 713e4f9abbdSVlad Buslov { 714e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 715b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 716e4f9abbdSVlad Buslov return; 717b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 718b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 719e4f9abbdSVlad Buslov 720db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 721e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 722e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 723e4f9abbdSVlad Buslov 724e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 725db76ca24SVlad Buslov } 726db76ca24SVlad Buslov 727db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 728e4f9abbdSVlad Buslov kfree(hpe); 729e4f9abbdSVlad Buslov } 730e4f9abbdSVlad Buslov 731106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 732106be53bSOr Gerlitz 733106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 734e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 735e98bedf5SEli Britstein struct netlink_ext_ack *extack) 736106be53bSOr Gerlitz { 737106be53bSOr Gerlitz void *headers_c, *headers_v; 738106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 739106be53bSOr Gerlitz bool vlan_present; 740106be53bSOr Gerlitz 741106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 742106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 743e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 744e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 745106be53bSOr Gerlitz return -EOPNOTSUPP; 746106be53bSOr Gerlitz } 747106be53bSOr Gerlitz #endif 748106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 749106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 750106be53bSOr Gerlitz 751106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 752106be53bSOr Gerlitz if (vlan_present) { 753106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 754106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 755106be53bSOr Gerlitz } 756106be53bSOr Gerlitz 757106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 758106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 759106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 760e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 761e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 762106be53bSOr Gerlitz return -EOPNOTSUPP; 763106be53bSOr Gerlitz } 764106be53bSOr Gerlitz 765106be53bSOr Gerlitz *match_prio = prio_val; 766106be53bSOr Gerlitz return 0; 767106be53bSOr Gerlitz } 768106be53bSOr Gerlitz 7695c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7705c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 771e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 772e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7735c65c564SOr Gerlitz { 77498b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7755c65c564SOr Gerlitz struct mlx5_hairpin_params params; 776d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7775c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7785c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7793f6d08d1SOr Gerlitz u64 link_speed64; 7803f6d08d1SOr Gerlitz u32 link_speed; 781106be53bSOr Gerlitz u8 match_prio; 782d8822868SOr Gerlitz u16 peer_id; 7835c65c564SOr Gerlitz int err; 7845c65c564SOr Gerlitz 785d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 786d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 787e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 7885c65c564SOr Gerlitz return -EOPNOTSUPP; 7895c65c564SOr Gerlitz } 7905c65c564SOr Gerlitz 791d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 792e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 793e98bedf5SEli Britstein extack); 794106be53bSOr Gerlitz if (err) 795106be53bSOr Gerlitz return err; 796b32accdaSVlad Buslov 797b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 798106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 799db76ca24SVlad Buslov if (hpe) { 800db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 801db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 802db76ca24SVlad Buslov 803db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 804db76ca24SVlad Buslov err = -EREMOTEIO; 805db76ca24SVlad Buslov goto out_err; 806db76ca24SVlad Buslov } 8075c65c564SOr Gerlitz goto attach_flow; 808db76ca24SVlad Buslov } 8095c65c564SOr Gerlitz 8105c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 811b32accdaSVlad Buslov if (!hpe) { 812db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 813db76ca24SVlad Buslov return -ENOMEM; 814b32accdaSVlad Buslov } 8155c65c564SOr Gerlitz 81673edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8175c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 818db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 819d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 820106be53bSOr Gerlitz hpe->prio = match_prio; 821e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 822db76ca24SVlad Buslov init_completion(&hpe->res_ready); 823db76ca24SVlad Buslov 824db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 825db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 826db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8275c65c564SOr Gerlitz 8285c65c564SOr Gerlitz params.log_data_size = 15; 8295c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8305c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8315c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8325c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8335c65c564SOr Gerlitz 834eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 835eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 836eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 837eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 838eb9180f7SOr Gerlitz 839eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8403f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8412c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8423f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8433f6d08d1SOr Gerlitz link_speed64 = link_speed; 8443f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8453f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8463f6d08d1SOr Gerlitz 8475c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 848db76ca24SVlad Buslov hpe->hp = hp; 849db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8505c65c564SOr Gerlitz if (IS_ERR(hp)) { 8515c65c564SOr Gerlitz err = PTR_ERR(hp); 852db76ca24SVlad Buslov goto out_err; 8535c65c564SOr Gerlitz } 8545c65c564SOr Gerlitz 855eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 85627b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 85727b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 858eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8595c65c564SOr Gerlitz 8605c65c564SOr Gerlitz attach_flow: 8613f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 862226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 8633f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 8643f6d08d1SOr Gerlitz } else { 8655c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 8663f6d08d1SOr Gerlitz } 867b32accdaSVlad Buslov 868e4f9abbdSVlad Buslov flow->hpe = hpe; 86973edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8705c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 87173edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8723f6d08d1SOr Gerlitz 8735c65c564SOr Gerlitz return 0; 8745c65c564SOr Gerlitz 875db76ca24SVlad Buslov out_err: 876db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 8775c65c564SOr Gerlitz return err; 8785c65c564SOr Gerlitz } 8795c65c564SOr Gerlitz 8805c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 8815c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 8825c65c564SOr Gerlitz { 8835a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 884e4f9abbdSVlad Buslov if (!flow->hpe) 8855a7e5bcbSVlad Buslov return; 8865a7e5bcbSVlad Buslov 88773edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 8885c65c564SOr Gerlitz list_del(&flow->hairpin); 88973edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 89073edca73SVlad Buslov 891e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 892e4f9abbdSVlad Buslov flow->hpe = NULL; 8935c65c564SOr Gerlitz } 8945c65c564SOr Gerlitz 895c83954abSRabie Loulou static int 89674491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 89717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 898e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 899e98bedf5SEli Britstein struct netlink_ext_ack *extack) 900e8f887acSAmir Vadai { 901bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 902aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 903aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 9045c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 90566958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9063bc4b7bfSOr Gerlitz .action = attr->action, 90760786f09SMark Bloch .reformat_id = 0, 908bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 90966958ed9SHadar Hen Zion }; 910aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 9115c65c564SOr Gerlitz int err, dest_ix = 0; 912e8f887acSAmir Vadai 913bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 914bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 915bb0ee7dcSJianbo Liu 916226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 917e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 9185a7e5bcbSVlad Buslov if (err) 9195a7e5bcbSVlad Buslov return err; 9205a7e5bcbSVlad Buslov 921226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 9223f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9233f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 9243f6d08d1SOr Gerlitz } else { 9255c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 9265c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 9273f6d08d1SOr Gerlitz } 9283f6d08d1SOr Gerlitz dest_ix++; 9293f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9305c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9315c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 9325c65c564SOr Gerlitz dest_ix++; 9335c65c564SOr Gerlitz } 934aad7e08dSAmir Vadai 9355c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9365c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 9375a7e5bcbSVlad Buslov if (IS_ERR(counter)) 9385a7e5bcbSVlad Buslov return PTR_ERR(counter); 9395a7e5bcbSVlad Buslov 9405c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 941171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 9425c65c564SOr Gerlitz dest_ix++; 943b8aee822SMark Bloch attr->counter = counter; 944aad7e08dSAmir Vadai } 945aad7e08dSAmir Vadai 9462f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9473099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 948d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 9492f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 950c83954abSRabie Loulou if (err) 9515a7e5bcbSVlad Buslov return err; 9522f4fe4caSOr Gerlitz } 9532f4fe4caSOr Gerlitz 954b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 955acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 95621b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 95721b9c144SOr Gerlitz u32 max_flow_counter; 95821b9c144SOr Gerlitz 95921b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 96021b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 96121b9c144SOr Gerlitz 96221b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 96321b9c144SOr Gerlitz 96421b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 96521b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 96621b9c144SOr Gerlitz 967acff797cSMaor Gottlieb priv->fs.tc.t = 968acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 969acff797cSMaor Gottlieb MLX5E_TC_PRIO, 97021b9c144SOr Gerlitz tc_tbl_size, 971acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 9723f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 973acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 974b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 975e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 976e98bedf5SEli Britstein "Failed to create tc offload table\n"); 977e8f887acSAmir Vadai netdev_err(priv->netdev, 978e8f887acSAmir Vadai "Failed to create tc offload table\n"); 9795a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 980e8f887acSAmir Vadai } 981e8f887acSAmir Vadai } 982e8f887acSAmir Vadai 98338aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 984d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 98538aa51c1SOr Gerlitz 986c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 9875c65c564SOr Gerlitz &flow_act, dest, dest_ix); 988b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 989e8f887acSAmir Vadai 9905a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 9915a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 992aad7e08dSAmir Vadai 993c83954abSRabie Loulou return 0; 994e8f887acSAmir Vadai } 995e8f887acSAmir Vadai 996d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 997d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 998d85cdccbSOr Gerlitz { 999513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1000d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 1001d85cdccbSOr Gerlitz 1002b8aee822SMark Bloch counter = attr->counter; 10035a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1004e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1005d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1006d85cdccbSOr Gerlitz 1007b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1008226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1009d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1010d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1011d85cdccbSOr Gerlitz } 1012b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 10132f4fe4caSOr Gerlitz 1014513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10153099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 10165c65c564SOr Gerlitz 1017226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 10185c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1019d85cdccbSOr Gerlitz } 1020d85cdccbSOr Gerlitz 1021aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 10228c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1023aa0cbbaeSOr Gerlitz 10243c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1025e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1026733d4f36SRoi Dayan struct net_device *mirred_dev, 1027733d4f36SRoi Dayan int out_index, 10288c4dc42bSEli Britstein struct netlink_ext_ack *extack, 10290ad060eeSRoi Dayan struct net_device **encap_dev, 10300ad060eeSRoi Dayan bool *encap_valid); 10313c37745eSOr Gerlitz 10326d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 10336d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 10346d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10356d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 10366d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10376d2a3ed0SOr Gerlitz { 10386d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10396d2a3ed0SOr Gerlitz 10406d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 10416d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 10426d2a3ed0SOr Gerlitz return rule; 10436d2a3ed0SOr Gerlitz 1044e85e02baSEli Britstein if (attr->split_count) { 10456d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 10466d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 10476d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 10486d2a3ed0SOr Gerlitz return flow->rule[1]; 10496d2a3ed0SOr Gerlitz } 10506d2a3ed0SOr Gerlitz } 10516d2a3ed0SOr Gerlitz 10526d2a3ed0SOr Gerlitz return rule; 10536d2a3ed0SOr Gerlitz } 10546d2a3ed0SOr Gerlitz 10556d2a3ed0SOr Gerlitz static void 10566d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 10576d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10586d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10596d2a3ed0SOr Gerlitz { 1060226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 10616d2a3ed0SOr Gerlitz 1062e85e02baSEli Britstein if (attr->split_count) 10636d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 10646d2a3ed0SOr Gerlitz 10656d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 10666d2a3ed0SOr Gerlitz } 10676d2a3ed0SOr Gerlitz 10685dbe906fSPaul Blakey static struct mlx5_flow_handle * 10695dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 10705dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 10715dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 10725dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 10735dbe906fSPaul Blakey { 10745dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 10755dbe906fSPaul Blakey 10765dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 1077154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 10782be09de7SDavid S. Miller slow_attr->split_count = 0; 1079154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 10805dbe906fSPaul Blakey 10815dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 10825dbe906fSPaul Blakey if (!IS_ERR(rule)) 1083226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 10845dbe906fSPaul Blakey 10855dbe906fSPaul Blakey return rule; 10865dbe906fSPaul Blakey } 10875dbe906fSPaul Blakey 10885dbe906fSPaul Blakey static void 10895dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 10905dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 10915dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 10925dbe906fSPaul Blakey { 10935dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 1094154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 10952be09de7SDavid S. Miller slow_attr->split_count = 0; 1096154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 10975dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1098226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 10995dbe906fSPaul Blakey } 11005dbe906fSPaul Blakey 1101ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1102ad86755bSVlad Buslov * function. 1103ad86755bSVlad Buslov */ 1104ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1105ad86755bSVlad Buslov struct list_head *unready_flows) 1106ad86755bSVlad Buslov { 1107ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1108ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1109ad86755bSVlad Buslov } 1110ad86755bSVlad Buslov 1111ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1112ad86755bSVlad Buslov * function. 1113ad86755bSVlad Buslov */ 1114ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1115ad86755bSVlad Buslov { 1116ad86755bSVlad Buslov list_del(&flow->unready); 1117ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1118ad86755bSVlad Buslov } 1119ad86755bSVlad Buslov 1120b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1121b4a23329SRoi Dayan { 1122b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1123b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1124b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1125b4a23329SRoi Dayan 1126b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1127b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1128b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1129b4a23329SRoi Dayan 1130ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1131ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1132ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1133b4a23329SRoi Dayan } 1134b4a23329SRoi Dayan 1135b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1136b4a23329SRoi Dayan { 1137ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1138ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1139ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1140ad86755bSVlad Buslov 1141ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1142ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1143ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1144ad86755bSVlad Buslov 1145ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1146ad86755bSVlad Buslov unready_flow_del(flow); 1147ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1148b4a23329SRoi Dayan } 1149b4a23329SRoi Dayan 1150c83954abSRabie Loulou static int 115174491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1152e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1153e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1154adb4c123SOr Gerlitz { 1155adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1156bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 1157aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 11587040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 1159bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 11603c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1161b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 11623c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 11633c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 11640ad060eeSRoi Dayan bool encap_valid = true; 11650ad060eeSRoi Dayan int err = 0; 1166f493f155SEli Britstein int out_index; 11678b32580dSOr Gerlitz 1168d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 1169d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 1170d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1171d14f6f2aSOr Gerlitz } 1172e52c2802SPaul Blakey 1173bf07aa73SPaul Blakey if (attr->chain > max_chain) { 1174bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 11755a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1176bf07aa73SPaul Blakey } 1177bf07aa73SPaul Blakey 1178bf07aa73SPaul Blakey if (attr->prio > max_prio) { 1179bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 11805a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1181bf07aa73SPaul Blakey } 1182bf07aa73SPaul Blakey 1183f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 11848c4dc42bSEli Britstein int mirred_ifindex; 11858c4dc42bSEli Britstein 1186f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1187f493f155SEli Britstein continue; 1188f493f155SEli Britstein 11897040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 11903c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 11918c4dc42bSEli Britstein mirred_ifindex); 1192733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 11930ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 11940ad060eeSRoi Dayan if (err) 11955a7e5bcbSVlad Buslov return err; 11960ad060eeSRoi Dayan 11973c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 11983c37745eSOr Gerlitz rpriv = out_priv->ppriv; 11991cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 12001cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 12013c37745eSOr Gerlitz } 12023c37745eSOr Gerlitz 12038b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1204c83954abSRabie Loulou if (err) 12055a7e5bcbSVlad Buslov return err; 1206adb4c123SOr Gerlitz 1207d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 12081a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1209d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1210c83954abSRabie Loulou if (err) 12115a7e5bcbSVlad Buslov return err; 1212d7e75a32SOr Gerlitz } 1213d7e75a32SOr Gerlitz 1214b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1215f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 12165a7e5bcbSVlad Buslov if (IS_ERR(counter)) 12175a7e5bcbSVlad Buslov return PTR_ERR(counter); 1218b8aee822SMark Bloch 1219b8aee822SMark Bloch attr->counter = counter; 1220b8aee822SMark Bloch } 1221b8aee822SMark Bloch 12220ad060eeSRoi Dayan /* we get here if one of the following takes place: 12230ad060eeSRoi Dayan * (1) there's no error 12240ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 12253c37745eSOr Gerlitz */ 12260ad060eeSRoi Dayan if (!encap_valid) { 12275dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 12285dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 12295dbe906fSPaul Blakey 12305dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 12315dbe906fSPaul Blakey } else { 12326d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 12335dbe906fSPaul Blakey } 12345dbe906fSPaul Blakey 12355a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 12365a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1237226f2ca3SVlad Buslov else 1238226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1239c83954abSRabie Loulou 12405dbe906fSPaul Blakey return 0; 1241aa0cbbaeSOr Gerlitz } 1242d85cdccbSOr Gerlitz 12439272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 12449272e3dfSYevgeny Kliteynik { 12459272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 12469272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 12479272e3dfSYevgeny Kliteynik spec->match_value, 12489272e3dfSYevgeny Kliteynik misc_parameters_3); 12499272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 12509272e3dfSYevgeny Kliteynik headers_v, 12519272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 12529272e3dfSYevgeny Kliteynik 12539272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 12549272e3dfSYevgeny Kliteynik } 12559272e3dfSYevgeny Kliteynik 1256d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1257d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1258d85cdccbSOr Gerlitz { 1259d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1260d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 12615dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1262f493f155SEli Britstein int out_index; 1263d85cdccbSOr Gerlitz 1264226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1265b4a23329SRoi Dayan remove_unready_flow(flow); 1266ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1267ef06c9eeSRoi Dayan return; 1268ef06c9eeSRoi Dayan } 1269ef06c9eeSRoi Dayan 1270226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1271226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 12725dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 12735dbe906fSPaul Blakey else 12745dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 12755dbe906fSPaul Blakey } 1276d85cdccbSOr Gerlitz 12779272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 12789272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 12799272e3dfSYevgeny Kliteynik 1280513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1281d85cdccbSOr Gerlitz 1282f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 12838c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 12848c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1285f493f155SEli Britstein kvfree(attr->parse_attr); 1286d7e75a32SOr Gerlitz 1287513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 12881a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1289b8aee822SMark Bloch 1290b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1291f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1292d85cdccbSOr Gerlitz } 1293d85cdccbSOr Gerlitz 1294232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 12952a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 12962a1f1768SVlad Buslov struct list_head *flow_list) 1297232c0013SHadar Hen Zion { 12983c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 12995dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 13006d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 13016d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1302232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1303232c0013SHadar Hen Zion int err; 1304232c0013SHadar Hen Zion 130554c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 130654c177caSOz Shlomo e->reformat_type, 1307232c0013SHadar Hen Zion e->encap_size, e->encap_header, 130831ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1309232c0013SHadar Hen Zion &e->encap_id); 1310232c0013SHadar Hen Zion if (err) { 1311232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1312232c0013SHadar Hen Zion err); 1313232c0013SHadar Hen Zion return; 1314232c0013SHadar Hen Zion } 1315232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1316f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1317232c0013SHadar Hen Zion 13182a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 13198c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 13208c4dc42bSEli Britstein int i; 13218c4dc42bSEli Britstein 13223c37745eSOr Gerlitz esw_attr = flow->esw_attr; 13236d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 13246d2a3ed0SOr Gerlitz 13252a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].encap_id = e->encap_id; 13262a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 13278c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 13288c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 13298c4dc42bSEli Britstein * a valid neighbour. 13308c4dc42bSEli Britstein */ 13318c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 13328c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 13338c4dc42bSEli Britstein continue; 13348c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 13358c4dc42bSEli Britstein all_flow_encaps_valid = false; 13368c4dc42bSEli Britstein break; 13378c4dc42bSEli Britstein } 13388c4dc42bSEli Britstein } 13398c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 13408c4dc42bSEli Britstein if (!all_flow_encaps_valid) 13412a1f1768SVlad Buslov continue; 13425dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 13436d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 13446d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 13456d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1346232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1347232c0013SHadar Hen Zion err); 13482a1f1768SVlad Buslov continue; 1349232c0013SHadar Hen Zion } 13505dbe906fSPaul Blakey 13515dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 13526d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1353226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1354226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1355232c0013SHadar Hen Zion } 1356232c0013SHadar Hen Zion } 1357232c0013SHadar Hen Zion 1358232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 13592a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13602a1f1768SVlad Buslov struct list_head *flow_list) 1361232c0013SHadar Hen Zion { 13623c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13635dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 13645dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 13655dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1366232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 13675dbe906fSPaul Blakey int err; 1368232c0013SHadar Hen Zion 13692a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 13705dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 13715dbe906fSPaul Blakey 13725dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 13735dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 13748c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 13752a1f1768SVlad Buslov flow->esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 13765dbe906fSPaul Blakey 13775dbe906fSPaul Blakey if (IS_ERR(rule)) { 13785dbe906fSPaul Blakey err = PTR_ERR(rule); 13795dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 13805dbe906fSPaul Blakey err); 13812a1f1768SVlad Buslov continue; 13825dbe906fSPaul Blakey } 13835dbe906fSPaul Blakey 13846d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 13855dbe906fSPaul Blakey flow->rule[0] = rule; 1386226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1387226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1388232c0013SHadar Hen Zion } 1389232c0013SHadar Hen Zion 139061c806daSOr Gerlitz /* we know that the encap is valid */ 1391232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 139260786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1393232c0013SHadar Hen Zion } 1394232c0013SHadar Hen Zion 1395b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1396b8aee822SMark Bloch { 1397226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1398b8aee822SMark Bloch return flow->esw_attr->counter; 1399b8aee822SMark Bloch else 1400b8aee822SMark Bloch return flow->nic_attr->counter; 1401b8aee822SMark Bloch } 1402b8aee822SMark Bloch 14032a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 14042a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 14052a1f1768SVlad Buslov */ 14062a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 14072a1f1768SVlad Buslov { 14082a1f1768SVlad Buslov struct encap_flow_item *efi; 14092a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 14102a1f1768SVlad Buslov 14112a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 14122a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 14132a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 14142a1f1768SVlad Buslov continue; 14152a1f1768SVlad Buslov 14162a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 14172a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 14182a1f1768SVlad Buslov } 14192a1f1768SVlad Buslov } 14202a1f1768SVlad Buslov 14216a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 14222a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 14236a06c2f7SVlad Buslov { 14246a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 14256a06c2f7SVlad Buslov 14266a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 14276a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 14286a06c2f7SVlad Buslov } 14296a06c2f7SVlad Buslov 1430ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1431ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1432ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1433ac0d9176SVlad Buslov { 1434ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1435ac0d9176SVlad Buslov 1436ac0d9176SVlad Buslov retry: 1437ac0d9176SVlad Buslov rcu_read_lock(); 1438ac0d9176SVlad Buslov 1439ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1440ac0d9176SVlad Buslov for (next = e ? 1441ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1442ac0d9176SVlad Buslov &e->encap_list, 1443ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1444ac0d9176SVlad Buslov encap_list) : 1445ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1446ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1447ac0d9176SVlad Buslov encap_list); 1448ac0d9176SVlad Buslov next; 1449ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1450ac0d9176SVlad Buslov &next->encap_list, 1451ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1452ac0d9176SVlad Buslov encap_list)) 1453ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1454ac0d9176SVlad Buslov break; 1455ac0d9176SVlad Buslov 1456ac0d9176SVlad Buslov rcu_read_unlock(); 1457ac0d9176SVlad Buslov 1458ac0d9176SVlad Buslov /* release starting encap */ 1459ac0d9176SVlad Buslov if (e) 1460ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1461ac0d9176SVlad Buslov if (!next) 1462ac0d9176SVlad Buslov return next; 1463ac0d9176SVlad Buslov 1464ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1465ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1466ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1467ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1468ac0d9176SVlad Buslov e = next; 1469ac0d9176SVlad Buslov goto retry; 1470ac0d9176SVlad Buslov } 1471ac0d9176SVlad Buslov 1472ac0d9176SVlad Buslov return next; 1473ac0d9176SVlad Buslov } 1474ac0d9176SVlad Buslov 1475f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1476f6dfb4c3SHadar Hen Zion { 1477f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1478ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1479f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1480f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1481f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1482f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1483f6dfb4c3SHadar Hen Zion struct neighbour *n; 148490bb7692SAriel Levkovich u64 lastuse; 1485f6dfb4c3SHadar Hen Zion 1486f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1487f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1488f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1489f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1490423c9db2SOr Gerlitz tbl = &nd_tbl; 1491f6dfb4c3SHadar Hen Zion #endif 1492f6dfb4c3SHadar Hen Zion else 1493f6dfb4c3SHadar Hen Zion return; 1494f6dfb4c3SHadar Hen Zion 1495ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1496ac0d9176SVlad Buslov * next one. 1497ac0d9176SVlad Buslov */ 1498ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 14996a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 15005a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 15016a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 15026a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1503948993f2SVlad Buslov 15046a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 15056a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 15065a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 150779baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 150879baaec7SEli Britstein encaps[efi->index]); 15095a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15105a7e5bcbSVlad Buslov continue; 15116a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 15125a7e5bcbSVlad Buslov 1513226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1514b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 151590bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1516f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1517f6dfb4c3SHadar Hen Zion neigh_used = true; 1518f6dfb4c3SHadar Hen Zion break; 1519f6dfb4c3SHadar Hen Zion } 1520f6dfb4c3SHadar Hen Zion } 1521f6dfb4c3SHadar Hen Zion } 15226a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1523948993f2SVlad Buslov 15246a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1525ac0d9176SVlad Buslov if (neigh_used) { 1526ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 15276a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1528e36d4810SRoi Dayan break; 1529f6dfb4c3SHadar Hen Zion } 1530ac0d9176SVlad Buslov } 1531f6dfb4c3SHadar Hen Zion 1532f6dfb4c3SHadar Hen Zion if (neigh_used) { 1533f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1534f6dfb4c3SHadar Hen Zion 1535f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1536f6dfb4c3SHadar Hen Zion * dst ip pair 1537f6dfb4c3SHadar Hen Zion */ 1538f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1539c7f7ba8dSRoi Dayan if (!n) 1540f6dfb4c3SHadar Hen Zion return; 1541f6dfb4c3SHadar Hen Zion 1542f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1543f6dfb4c3SHadar Hen Zion neigh_release(n); 1544f6dfb4c3SHadar Hen Zion } 1545f6dfb4c3SHadar Hen Zion } 1546f6dfb4c3SHadar Hen Zion 154761086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1548d85cdccbSOr Gerlitz { 1549948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 15503c140dd5SVlad Buslov 15513c140dd5SVlad Buslov if (e->compl_result > 0) { 1552232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1553232c0013SHadar Hen Zion 1554232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 155560786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 15563c140dd5SVlad Buslov } 1557232c0013SHadar Hen Zion 1558232c0013SHadar Hen Zion kfree(e->encap_header); 1559ac0d9176SVlad Buslov kfree_rcu(e, rcu); 15605067b602SRoi Dayan } 1561948993f2SVlad Buslov 156261086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 156361086f39SVlad Buslov { 156461086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 156561086f39SVlad Buslov 156661086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 156761086f39SVlad Buslov return; 156861086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 156961086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 157061086f39SVlad Buslov 157161086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 157261086f39SVlad Buslov } 157361086f39SVlad Buslov 1574948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1575948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1576948993f2SVlad Buslov { 157761086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 157861086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 157961086f39SVlad Buslov 1580948993f2SVlad Buslov /* flow wasn't fully initialized */ 158161086f39SVlad Buslov if (!e) 1582948993f2SVlad Buslov return; 1583948993f2SVlad Buslov 158461086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1585948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1586948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 158761086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 158861086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 158961086f39SVlad Buslov return; 159061086f39SVlad Buslov } 159161086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 159261086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 159361086f39SVlad Buslov 159461086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 15955067b602SRoi Dayan } 15965067b602SRoi Dayan 159704de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 159804de7ddaSRoi Dayan { 159904de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 160004de7ddaSRoi Dayan 1601226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1602226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 160304de7ddaSRoi Dayan return; 160404de7ddaSRoi Dayan 160504de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 160604de7ddaSRoi Dayan list_del(&flow->peer); 160704de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 160804de7ddaSRoi Dayan 1609226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 161004de7ddaSRoi Dayan 161104de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 161204de7ddaSRoi Dayan kvfree(flow->peer_flow); 161304de7ddaSRoi Dayan flow->peer_flow = NULL; 161404de7ddaSRoi Dayan } 161504de7ddaSRoi Dayan 161604de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 161704de7ddaSRoi Dayan { 161804de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 161904de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 162004de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 162104de7ddaSRoi Dayan 162204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 162304de7ddaSRoi Dayan if (!peer_esw) 162404de7ddaSRoi Dayan return; 162504de7ddaSRoi Dayan 162604de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 162704de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 162804de7ddaSRoi Dayan } 162904de7ddaSRoi Dayan 1630e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1631961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1632e8f887acSAmir Vadai { 1633226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 163404de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1635d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 163604de7ddaSRoi Dayan } else { 1637d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1638e8f887acSAmir Vadai } 163904de7ddaSRoi Dayan } 1640e8f887acSAmir Vadai 1641bbd00f7eSHadar Hen Zion 1642bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1643bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1644f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 16456363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1646bbd00f7eSHadar Hen Zion { 1647e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1648bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1649bbd00f7eSHadar Hen Zion outer_headers); 1650bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1651bbd00f7eSHadar Hen Zion outer_headers); 1652f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 16538f256622SPablo Neira Ayuso int err; 1654bbd00f7eSHadar Hen Zion 1655101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 16566363651dSOr Gerlitz headers_c, headers_v, match_level); 165754c177caSOz Shlomo if (err) { 165854c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 165954c177caSOz Shlomo "failed to parse tunnel attributes"); 1660101f4de9SOz Shlomo return err; 1661bbd00f7eSHadar Hen Zion } 1662bbd00f7eSHadar Hen Zion 1663d1bda7eeSTonghao Zhang if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) { 16648f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 16658f256622SPablo Neira Ayuso 16668f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1667bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1668bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 16698f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1670bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1671bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 16728f256622SPablo Neira Ayuso ntohl(match.key->src)); 1673bbd00f7eSHadar Hen Zion 1674bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1675bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 16768f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1677bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1678bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 16798f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1680bbd00f7eSHadar Hen Zion 1681bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1682bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 1683d1bda7eeSTonghao Zhang } else if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS)) { 16848f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 168519f44401SOr Gerlitz 16868f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 168719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 168819f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 16898f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 169019f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 169119f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 16928f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 169319f44401SOr Gerlitz 169419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 169519f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16968f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 169719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 169819f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16998f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 170019f44401SOr Gerlitz 170119f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 170219f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 17032e72eb43SOr Gerlitz } 1704bbd00f7eSHadar Hen Zion 17058f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 17068f256622SPablo Neira Ayuso struct flow_match_ip match; 1707bcef735cSOr Gerlitz 17088f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 17098f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 17108f256622SPablo Neira Ayuso match.mask->tos & 0x3); 17118f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 17128f256622SPablo Neira Ayuso match.key->tos & 0x3); 1713bcef735cSOr Gerlitz 17148f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 17158f256622SPablo Neira Ayuso match.mask->tos >> 2); 17168f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 17178f256622SPablo Neira Ayuso match.key->tos >> 2); 1718bcef735cSOr Gerlitz 17198f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 17208f256622SPablo Neira Ayuso match.mask->ttl); 17218f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 17228f256622SPablo Neira Ayuso match.key->ttl); 1723e98bedf5SEli Britstein 17248f256622SPablo Neira Ayuso if (match.mask->ttl && 1725e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1726e98bedf5SEli Britstein (priv->mdev, 1727e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1728e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1729e98bedf5SEli Britstein "Matching on TTL is not supported"); 1730e98bedf5SEli Britstein return -EOPNOTSUPP; 1731e98bedf5SEli Britstein } 1732e98bedf5SEli Britstein 1733bcef735cSOr Gerlitz } 1734bcef735cSOr Gerlitz 1735bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1736bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1737bbd00f7eSHadar Hen Zion */ 1738bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1739bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1740bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1741bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1742bbd00f7eSHadar Hen Zion 1743bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1744bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1745bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1746bbd00f7eSHadar Hen Zion 1747bbd00f7eSHadar Hen Zion return 0; 1748bbd00f7eSHadar Hen Zion } 1749bbd00f7eSHadar Hen Zion 17508377629eSEli Britstein static void *get_match_headers_criteria(u32 flags, 17518377629eSEli Britstein struct mlx5_flow_spec *spec) 17528377629eSEli Britstein { 17538377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 17548377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 17558377629eSEli Britstein inner_headers) : 17568377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 17578377629eSEli Britstein outer_headers); 17588377629eSEli Britstein } 17598377629eSEli Britstein 17608377629eSEli Britstein static void *get_match_headers_value(u32 flags, 17618377629eSEli Britstein struct mlx5_flow_spec *spec) 17628377629eSEli Britstein { 17638377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 17648377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 17658377629eSEli Britstein inner_headers) : 17668377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 17678377629eSEli Britstein outer_headers); 17688377629eSEli Britstein } 17698377629eSEli Britstein 1770de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1771de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1772f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 177354c177caSOz Shlomo struct net_device *filter_dev, 177493b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 1775e3a2b7edSAmir Vadai { 1776e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1777c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1778c5bb1730SMaor Gottlieb outer_headers); 1779c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1780c5bb1730SMaor Gottlieb outer_headers); 1781699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1782699e96ddSJianbo Liu misc_parameters); 1783699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1784699e96ddSJianbo Liu misc_parameters); 1785f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17868f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1787e3a2b7edSAmir Vadai u16 addr_type = 0; 1788e3a2b7edSAmir Vadai u8 ip_proto = 0; 178993b3586eSHuy Nguyen u8 *match_level; 1790e3a2b7edSAmir Vadai 179193b3586eSHuy Nguyen match_level = outer_match_level; 1792de0af0bfSRoi Dayan 17938f256622SPablo Neira Ayuso if (dissector->used_keys & 17943d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 17953d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1796e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1797e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1798095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1799699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1800e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1801e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1802bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1803bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1804bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1805bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1806bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1807e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1808fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1809bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 18109272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 18119272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) { 1812e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1813e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 18148f256622SPablo Neira Ayuso dissector->used_keys); 1815e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1816e3a2b7edSAmir Vadai } 1817e3a2b7edSAmir Vadai 1818075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 181993b3586eSHuy Nguyen if (parse_tunnel_attr(priv, spec, f, filter_dev, 182093b3586eSHuy Nguyen outer_match_level)) 1821bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1822bbd00f7eSHadar Hen Zion 182393b3586eSHuy Nguyen /* At this point, header pointers should point to the inner 1824bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1825bbd00f7eSHadar Hen Zion */ 182693b3586eSHuy Nguyen match_level = inner_match_level; 18278377629eSEli Britstein headers_c = get_match_headers_criteria(MLX5_FLOW_CONTEXT_ACTION_DECAP, 18288377629eSEli Britstein spec); 18298377629eSEli Britstein headers_v = get_match_headers_value(MLX5_FLOW_CONTEXT_ACTION_DECAP, 18308377629eSEli Britstein spec); 1831bbd00f7eSHadar Hen Zion } 1832bbd00f7eSHadar Hen Zion 18338f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 18348f256622SPablo Neira Ayuso struct flow_match_basic match; 1835e3a2b7edSAmir Vadai 18368f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 18378f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 18388f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 18398f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 18408f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 18418f256622SPablo Neira Ayuso 18428f256622SPablo Neira Ayuso if (match.mask->n_proto) 1843d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1844e3a2b7edSAmir Vadai } 184535a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 184635a605dbSEli Britstein is_vlan_dev(filter_dev)) { 184735a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 184835a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 18498f256622SPablo Neira Ayuso struct flow_match_vlan match; 18508f256622SPablo Neira Ayuso 185135a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 185235a605dbSEli Britstein match.key = &filter_dev_key; 185335a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 185435a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 185535a605dbSEli Britstein match.key->vlan_priority = 0; 185635a605dbSEli Britstein match.mask = &filter_dev_mask; 185735a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 185835a605dbSEli Britstein match.mask->vlan_priority = 0; 185935a605dbSEli Britstein } else { 18608f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 186135a605dbSEli Britstein } 18628f256622SPablo Neira Ayuso if (match.mask->vlan_id || 18638f256622SPablo Neira Ayuso match.mask->vlan_priority || 18648f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 18658f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1866699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1867699e96ddSJianbo Liu svlan_tag, 1); 1868699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1869699e96ddSJianbo Liu svlan_tag, 1); 1870699e96ddSJianbo Liu } else { 1871699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1872699e96ddSJianbo Liu cvlan_tag, 1); 1873699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1874699e96ddSJianbo Liu cvlan_tag, 1); 1875699e96ddSJianbo Liu } 1876095b6cfdSOr Gerlitz 18778f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 18788f256622SPablo Neira Ayuso match.mask->vlan_id); 18798f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 18808f256622SPablo Neira Ayuso match.key->vlan_id); 1881358d79a4SOr Gerlitz 18828f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 18838f256622SPablo Neira Ayuso match.mask->vlan_priority); 18848f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 18858f256622SPablo Neira Ayuso match.key->vlan_priority); 188654782900SOr Gerlitz 1887d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1888095b6cfdSOr Gerlitz } 1889d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1890cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1891cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1892d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1893095b6cfdSOr Gerlitz } 1894095b6cfdSOr Gerlitz 18958f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 18968f256622SPablo Neira Ayuso struct flow_match_vlan match; 18978f256622SPablo Neira Ayuso 189812d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 18998f256622SPablo Neira Ayuso if (match.mask->vlan_id || 19008f256622SPablo Neira Ayuso match.mask->vlan_priority || 19018f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 19028f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1903699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1904699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1905699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1906699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1907699e96ddSJianbo Liu } else { 1908699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1909699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1910699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1911699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1912699e96ddSJianbo Liu } 1913699e96ddSJianbo Liu 1914699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 19158f256622SPablo Neira Ayuso match.mask->vlan_id); 1916699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 19178f256622SPablo Neira Ayuso match.key->vlan_id); 1918699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 19198f256622SPablo Neira Ayuso match.mask->vlan_priority); 1920699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 19218f256622SPablo Neira Ayuso match.key->vlan_priority); 1922699e96ddSJianbo Liu 1923699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1924699e96ddSJianbo Liu } 1925699e96ddSJianbo Liu } 1926699e96ddSJianbo Liu 19278f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 19288f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 192954782900SOr Gerlitz 19308f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1931d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1932d3a80bb5SOr Gerlitz dmac_47_16), 19338f256622SPablo Neira Ayuso match.mask->dst); 1934d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1935d3a80bb5SOr Gerlitz dmac_47_16), 19368f256622SPablo Neira Ayuso match.key->dst); 1937d3a80bb5SOr Gerlitz 1938d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1939d3a80bb5SOr Gerlitz smac_47_16), 19408f256622SPablo Neira Ayuso match.mask->src); 1941d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1942d3a80bb5SOr Gerlitz smac_47_16), 19438f256622SPablo Neira Ayuso match.key->src); 1944d3a80bb5SOr Gerlitz 19458f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 19468f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1947d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 194854782900SOr Gerlitz } 194954782900SOr Gerlitz 19508f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 19518f256622SPablo Neira Ayuso struct flow_match_control match; 195254782900SOr Gerlitz 19538f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 19548f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 195554782900SOr Gerlitz 195654782900SOr Gerlitz /* the HW doesn't support frag first/later */ 19578f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 195854782900SOr Gerlitz return -EOPNOTSUPP; 195954782900SOr Gerlitz 19608f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 196154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 196254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 19638f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 196454782900SOr Gerlitz 196554782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 19668f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 196783621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 196854782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 196954782900SOr Gerlitz else 197083621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 197154782900SOr Gerlitz } 197254782900SOr Gerlitz } 197354782900SOr Gerlitz 19748f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 19758f256622SPablo Neira Ayuso struct flow_match_basic match; 19768f256622SPablo Neira Ayuso 19778f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 19788f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 197954782900SOr Gerlitz 198054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 19818f256622SPablo Neira Ayuso match.mask->ip_proto); 198254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 19838f256622SPablo Neira Ayuso match.key->ip_proto); 198454782900SOr Gerlitz 19858f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1986d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 198754782900SOr Gerlitz } 198854782900SOr Gerlitz 1989e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 19908f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1991e3a2b7edSAmir Vadai 19928f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1993e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1994e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 19958f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1996e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1997e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 19988f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1999e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2000e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 20018f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2002e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2003e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 20048f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2005de0af0bfSRoi Dayan 20068f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2007d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2008e3a2b7edSAmir Vadai } 2009e3a2b7edSAmir Vadai 2010e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 20118f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2012e3a2b7edSAmir Vadai 20138f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2014e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2015e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 20168f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2017e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2018e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 20198f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2020e3a2b7edSAmir Vadai 2021e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2022e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 20238f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2024e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2025e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 20268f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2027de0af0bfSRoi Dayan 20288f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 20298f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2030d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2031e3a2b7edSAmir Vadai } 2032e3a2b7edSAmir Vadai 20338f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 20348f256622SPablo Neira Ayuso struct flow_match_ip match; 20351f97a526SOr Gerlitz 20368f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 20378f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 20388f256622SPablo Neira Ayuso match.mask->tos & 0x3); 20398f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 20408f256622SPablo Neira Ayuso match.key->tos & 0x3); 20411f97a526SOr Gerlitz 20428f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 20438f256622SPablo Neira Ayuso match.mask->tos >> 2); 20448f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 20458f256622SPablo Neira Ayuso match.key->tos >> 2); 20461f97a526SOr Gerlitz 20478f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 20488f256622SPablo Neira Ayuso match.mask->ttl); 20498f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 20508f256622SPablo Neira Ayuso match.key->ttl); 20511f97a526SOr Gerlitz 20528f256622SPablo Neira Ayuso if (match.mask->ttl && 2053a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2054e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2055e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2056e98bedf5SEli Britstein "Matching on TTL is not supported"); 20571f97a526SOr Gerlitz return -EOPNOTSUPP; 2058e98bedf5SEli Britstein } 2059a8ade55fSOr Gerlitz 20608f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2061d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 20621f97a526SOr Gerlitz } 20631f97a526SOr Gerlitz 206454782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 206554782900SOr Gerlitz 20668f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 20678f256622SPablo Neira Ayuso struct flow_match_ports match; 20688f256622SPablo Neira Ayuso 20698f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2070e3a2b7edSAmir Vadai switch (ip_proto) { 2071e3a2b7edSAmir Vadai case IPPROTO_TCP: 2072e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20738f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2074e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20758f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2076e3a2b7edSAmir Vadai 2077e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20788f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2079e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20808f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2081e3a2b7edSAmir Vadai break; 2082e3a2b7edSAmir Vadai 2083e3a2b7edSAmir Vadai case IPPROTO_UDP: 2084e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20858f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2086e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20878f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2088e3a2b7edSAmir Vadai 2089e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 20908f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2091e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 20928f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2093e3a2b7edSAmir Vadai break; 2094e3a2b7edSAmir Vadai default: 2095e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2096e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2097e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2098e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2099e3a2b7edSAmir Vadai return -EINVAL; 2100e3a2b7edSAmir Vadai } 2101de0af0bfSRoi Dayan 21028f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2103d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2104e3a2b7edSAmir Vadai } 2105e3a2b7edSAmir Vadai 21068f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 21078f256622SPablo Neira Ayuso struct flow_match_tcp match; 2108e77834ecSOr Gerlitz 21098f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2110e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 21118f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2112e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 21138f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2114e77834ecSOr Gerlitz 21158f256622SPablo Neira Ayuso if (match.mask->flags) 2116d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2117e77834ecSOr Gerlitz } 2118e77834ecSOr Gerlitz 2119e3a2b7edSAmir Vadai return 0; 2120e3a2b7edSAmir Vadai } 2121e3a2b7edSAmir Vadai 2122de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 212365ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2124de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2125f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 212654c177caSOz Shlomo struct net_device *filter_dev) 2127de0af0bfSRoi Dayan { 212893b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2129e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2130de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2131de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 21321d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 21331d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2134226f2ca3SVlad Buslov bool is_eswitch_flow; 2135de0af0bfSRoi Dayan int err; 2136de0af0bfSRoi Dayan 213793b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 213893b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 213993b3586eSHuy Nguyen 214093b3586eSHuy Nguyen err = __parse_cls_flower(priv, spec, f, filter_dev, &inner_match_level, 214193b3586eSHuy Nguyen &outer_match_level); 214293b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 214393b3586eSHuy Nguyen outer_match_level : inner_match_level; 2144de0af0bfSRoi Dayan 2145226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2146226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 21471d447a39SSaeed Mahameed rep = rpriv->rep; 2148b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 21491d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 215093b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2151e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2152e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2153de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2154de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 215593b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2156de0af0bfSRoi Dayan return -EOPNOTSUPP; 2157de0af0bfSRoi Dayan } 2158de0af0bfSRoi Dayan } 2159de0af0bfSRoi Dayan 2160226f2ca3SVlad Buslov if (is_eswitch_flow) { 216193b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 216293b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 21636363651dSOr Gerlitz } else { 216493b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 21656363651dSOr Gerlitz } 216638aa51c1SOr Gerlitz 2167de0af0bfSRoi Dayan return err; 2168de0af0bfSRoi Dayan } 2169de0af0bfSRoi Dayan 2170d79b6df6SOr Gerlitz struct pedit_headers { 2171d79b6df6SOr Gerlitz struct ethhdr eth; 21720eb69bb9SEli Britstein struct vlan_hdr vlan; 2173d79b6df6SOr Gerlitz struct iphdr ip4; 2174d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2175d79b6df6SOr Gerlitz struct tcphdr tcp; 2176d79b6df6SOr Gerlitz struct udphdr udp; 2177d79b6df6SOr Gerlitz }; 2178d79b6df6SOr Gerlitz 2179c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2180c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2181c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2182c500c86bSPablo Neira Ayuso u32 pedits; 2183c500c86bSPablo Neira Ayuso }; 2184c500c86bSPablo Neira Ayuso 2185d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 218673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 218773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 218873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 218973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 219073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2191d79b6df6SOr Gerlitz }; 2192d79b6df6SOr Gerlitz 2193d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2194d79b6df6SOr Gerlitz 2195d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2196c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2197d79b6df6SOr Gerlitz { 2198d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2199d79b6df6SOr Gerlitz 2200c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2201c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2202d79b6df6SOr Gerlitz 2203d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2204d79b6df6SOr Gerlitz goto out_err; 2205d79b6df6SOr Gerlitz 2206d79b6df6SOr Gerlitz *curr_pmask |= mask; 2207d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2208d79b6df6SOr Gerlitz 2209d79b6df6SOr Gerlitz return 0; 2210d79b6df6SOr Gerlitz 2211d79b6df6SOr Gerlitz out_err: 2212d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2213d79b6df6SOr Gerlitz } 2214d79b6df6SOr Gerlitz 2215d79b6df6SOr Gerlitz struct mlx5_fields { 2216d79b6df6SOr Gerlitz u8 field; 2217d79b6df6SOr Gerlitz u8 size; 2218d79b6df6SOr Gerlitz u32 offset; 221927c11b6bSEli Britstein u32 match_offset; 2220d79b6df6SOr Gerlitz }; 2221d79b6df6SOr Gerlitz 222227c11b6bSEli Britstein #define OFFLOAD(fw_field, size, field, off, match_field) \ 222327c11b6bSEli Britstein {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, \ 222427c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 222527c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 222627c11b6bSEli Britstein 22272ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 22282ef86872SEli Britstein * match. 22292ef86872SEli Britstein */ 22302ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 22312ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 22322ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 22332ef86872SEli Britstein type maskx = *(type *)(maskp); \ 22342ef86872SEli Britstein type valx = *(type *)(valp); \ 22352ef86872SEli Britstein \ 22362ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 22372ef86872SEli Britstein matchmaskx)); \ 22382ef86872SEli Britstein }) 22392ef86872SEli Britstein 224027c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 224127c11b6bSEli Britstein void *matchmaskp, int size) 224227c11b6bSEli Britstein { 224327c11b6bSEli Britstein bool same = false; 224427c11b6bSEli Britstein 224527c11b6bSEli Britstein switch (size) { 224627c11b6bSEli Britstein case sizeof(u8): 22472ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 224827c11b6bSEli Britstein break; 224927c11b6bSEli Britstein case sizeof(u16): 22502ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 225127c11b6bSEli Britstein break; 225227c11b6bSEli Britstein case sizeof(u32): 22532ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 225427c11b6bSEli Britstein break; 225527c11b6bSEli Britstein } 225627c11b6bSEli Britstein 225727c11b6bSEli Britstein return same; 225827c11b6bSEli Britstein } 2259a8e4f0c4SOr Gerlitz 2260d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 226127c11b6bSEli Britstein OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0, dmac_47_16), 226227c11b6bSEli Britstein OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0, dmac_15_0), 226327c11b6bSEli Britstein OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0, smac_47_16), 226427c11b6bSEli Britstein OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0, smac_15_0), 226527c11b6bSEli Britstein OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0, ethertype), 226627c11b6bSEli Britstein OFFLOAD(FIRST_VID, 2, vlan.h_vlan_TCI, 0, first_vid), 2267d79b6df6SOr Gerlitz 226827c11b6bSEli Britstein OFFLOAD(IP_TTL, 1, ip4.ttl, 0, ttl_hoplimit), 226927c11b6bSEli Britstein OFFLOAD(SIPV4, 4, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 227027c11b6bSEli Britstein OFFLOAD(DIPV4, 4, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2271d79b6df6SOr Gerlitz 227227c11b6bSEli Britstein OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0, 227327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 227427c11b6bSEli Britstein OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0, 227527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 227627c11b6bSEli Britstein OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0, 227727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 227827c11b6bSEli Britstein OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0, 227927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 228027c11b6bSEli Britstein OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0, 228127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 228227c11b6bSEli Britstein OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0, 228327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 228427c11b6bSEli Britstein OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0, 228527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 228627c11b6bSEli Britstein OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0, 228727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 228827c11b6bSEli Britstein OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0, ttl_hoplimit), 2289d79b6df6SOr Gerlitz 229027c11b6bSEli Britstein OFFLOAD(TCP_SPORT, 2, tcp.source, 0, tcp_sport), 229127c11b6bSEli Britstein OFFLOAD(TCP_DPORT, 2, tcp.dest, 0, tcp_dport), 229227c11b6bSEli Britstein OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5, tcp_flags), 2293d79b6df6SOr Gerlitz 229427c11b6bSEli Britstein OFFLOAD(UDP_SPORT, 2, udp.source, 0, udp_sport), 229527c11b6bSEli Britstein OFFLOAD(UDP_DPORT, 2, udp.dest, 0, udp_dport), 2296d79b6df6SOr Gerlitz }; 2297d79b6df6SOr Gerlitz 2298218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 2299218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 2300218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 2301d79b6df6SOr Gerlitz */ 2302c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 2303e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 230427c11b6bSEli Britstein u32 *action_flags, 2305e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2306d79b6df6SOr Gerlitz { 2307d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 230827c11b6bSEli Britstein void *headers_c = get_match_headers_criteria(*action_flags, 230927c11b6bSEli Britstein &parse_attr->spec); 231027c11b6bSEli Britstein void *headers_v = get_match_headers_value(*action_flags, 231127c11b6bSEli Britstein &parse_attr->spec); 23122b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 2313d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 2314d79b6df6SOr Gerlitz struct mlx5_fields *f; 2315d79b6df6SOr Gerlitz u8 cmd, field_bsize; 2316e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 2317d79b6df6SOr Gerlitz unsigned long mask; 23182b64bebaSOr Gerlitz __be32 mask_be32; 23192b64bebaSOr Gerlitz __be16 mask_be16; 2320d79b6df6SOr Gerlitz void *action; 2321d79b6df6SOr Gerlitz 232273867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 232373867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 232473867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 232573867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2326d79b6df6SOr Gerlitz 2327d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2328218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 2329218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 2330218d05ceSTonghao Zhang 2331218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 2332218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 2333d79b6df6SOr Gerlitz 2334d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 233527c11b6bSEli Britstein bool skip; 233627c11b6bSEli Britstein 2337d79b6df6SOr Gerlitz f = &fields[i]; 2338d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2339e3ca4e05SOr Gerlitz s_mask = 0; 2340e3ca4e05SOr Gerlitz a_mask = 0; 2341d79b6df6SOr Gerlitz 2342d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2343d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2344d79b6df6SOr Gerlitz 2345d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 2346d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 2347d79b6df6SOr Gerlitz 2348d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2349d79b6df6SOr Gerlitz continue; 2350d79b6df6SOr Gerlitz 2351d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2352e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2353e98bedf5SEli Britstein "can't set and add to the same HW field"); 2354d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2355d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2356d79b6df6SOr Gerlitz } 2357d79b6df6SOr Gerlitz 2358d79b6df6SOr Gerlitz if (nactions == max_actions) { 2359e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2360e98bedf5SEli Britstein "too many pedit actions, can't offload"); 2361d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 2362d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2363d79b6df6SOr Gerlitz } 2364d79b6df6SOr Gerlitz 236527c11b6bSEli Britstein skip = false; 2366d79b6df6SOr Gerlitz if (s_mask) { 236727c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 236827c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 236927c11b6bSEli Britstein 2370d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2371d79b6df6SOr Gerlitz mask = s_mask; 2372d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 237327c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 237427c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 237527c11b6bSEli Britstein match_mask, f->size)) 237627c11b6bSEli Britstein skip = true; 2377d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2378d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 2379d79b6df6SOr Gerlitz } else { 238027c11b6bSEli Britstein u32 zero = 0; 238127c11b6bSEli Britstein 2382d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2383d79b6df6SOr Gerlitz mask = a_mask; 2384d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 238527c11b6bSEli Britstein /* add 0 is no change */ 238627c11b6bSEli Britstein if (!memcmp(vals_p, &zero, f->size)) 238727c11b6bSEli Britstein skip = true; 2388d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2389d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 2390d79b6df6SOr Gerlitz } 239127c11b6bSEli Britstein if (skip) 239227c11b6bSEli Britstein continue; 2393d79b6df6SOr Gerlitz 2394d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 2395e3ca4e05SOr Gerlitz 23962b64bebaSOr Gerlitz if (field_bsize == 32) { 23972b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 23982b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 23992b64bebaSOr Gerlitz } else if (field_bsize == 16) { 24002b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 24012b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 24022b64bebaSOr Gerlitz } 24032b64bebaSOr Gerlitz 2404d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 24052b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 2406d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 24072b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2408e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2409e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 24102b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2411d79b6df6SOr Gerlitz mask); 2412d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2413d79b6df6SOr Gerlitz } 2414d79b6df6SOr Gerlitz 2415d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2416d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2417d79b6df6SOr Gerlitz 2418d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 24192b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 2420d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 24212b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2422d79b6df6SOr Gerlitz } 2423d79b6df6SOr Gerlitz 2424d79b6df6SOr Gerlitz if (field_bsize == 32) 24252b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 2426d79b6df6SOr Gerlitz else if (field_bsize == 16) 24272b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 2428d79b6df6SOr Gerlitz else if (field_bsize == 8) 24292b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2430d79b6df6SOr Gerlitz 2431d79b6df6SOr Gerlitz action += action_size; 2432d79b6df6SOr Gerlitz nactions++; 2433d79b6df6SOr Gerlitz } 2434d79b6df6SOr Gerlitz 2435d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2436d79b6df6SOr Gerlitz return 0; 2437d79b6df6SOr Gerlitz } 2438d79b6df6SOr Gerlitz 24392cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 24402cc1cb1dSTonghao Zhang int namespace) 24412cc1cb1dSTonghao Zhang { 24422cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 24432cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 24442cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 24452cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 24462cc1cb1dSTonghao Zhang } 24472cc1cb1dSTonghao Zhang 2448d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2449c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2450c500c86bSPablo Neira Ayuso int namespace, 2451d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2452d79b6df6SOr Gerlitz { 2453d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2454d79b6df6SOr Gerlitz 2455c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2456c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2457d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2458d79b6df6SOr Gerlitz 24592cc1cb1dSTonghao Zhang max_actions = mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace); 2460d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2461d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2462d79b6df6SOr Gerlitz 2463d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2464d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2465d79b6df6SOr Gerlitz return -ENOMEM; 2466d79b6df6SOr Gerlitz 2467218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2468d79b6df6SOr Gerlitz return 0; 2469d79b6df6SOr Gerlitz } 2470d79b6df6SOr Gerlitz 2471d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2472d79b6df6SOr Gerlitz 2473d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 247473867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2475e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2476c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2477e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2478d79b6df6SOr Gerlitz { 247973867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 248073867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2481d79b6df6SOr Gerlitz u32 mask, val, offset; 248273867881SPablo Neira Ayuso u8 htype; 2483d79b6df6SOr Gerlitz 248473867881SPablo Neira Ayuso htype = act->mangle.htype; 2485d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2486d79b6df6SOr Gerlitz 248773867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 248873867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2489d79b6df6SOr Gerlitz goto out_err; 2490d79b6df6SOr Gerlitz } 2491d79b6df6SOr Gerlitz 24922cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 24932cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 24942cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 24952cc1cb1dSTonghao Zhang goto out_err; 24962cc1cb1dSTonghao Zhang } 24972cc1cb1dSTonghao Zhang 249873867881SPablo Neira Ayuso mask = act->mangle.mask; 249973867881SPablo Neira Ayuso val = act->mangle.val; 250073867881SPablo Neira Ayuso offset = act->mangle.offset; 2501d79b6df6SOr Gerlitz 2502c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2503d79b6df6SOr Gerlitz if (err) 2504d79b6df6SOr Gerlitz goto out_err; 2505c500c86bSPablo Neira Ayuso 2506c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2507d79b6df6SOr Gerlitz 2508c500c86bSPablo Neira Ayuso return 0; 2509c500c86bSPablo Neira Ayuso out_err: 2510c500c86bSPablo Neira Ayuso return err; 2511c500c86bSPablo Neira Ayuso } 2512c500c86bSPablo Neira Ayuso 2513c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2514c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2515c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 251627c11b6bSEli Britstein u32 *action_flags, 2517c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2518c500c86bSPablo Neira Ayuso { 2519c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2520c500c86bSPablo Neira Ayuso int err; 2521c500c86bSPablo Neira Ayuso u8 cmd; 2522c500c86bSPablo Neira Ayuso 2523218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2524c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2525d79b6df6SOr Gerlitz if (err) 2526d79b6df6SOr Gerlitz goto out_err; 2527218d05ceSTonghao Zhang } 2528d79b6df6SOr Gerlitz 252927c11b6bSEli Britstein err = offload_pedit_fields(hdrs, parse_attr, action_flags, extack); 2530d79b6df6SOr Gerlitz if (err < 0) 2531d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2532d79b6df6SOr Gerlitz 2533d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2534c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2535d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2536e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2537e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2538b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2539d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2540d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2541d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2542d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2543d79b6df6SOr Gerlitz } 2544d79b6df6SOr Gerlitz } 2545d79b6df6SOr Gerlitz 2546d79b6df6SOr Gerlitz return 0; 2547d79b6df6SOr Gerlitz 2548d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2549d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2550d79b6df6SOr Gerlitz out_err: 2551d79b6df6SOr Gerlitz return err; 2552d79b6df6SOr Gerlitz } 2553d79b6df6SOr Gerlitz 2554e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2555e98bedf5SEli Britstein u32 action, 2556e98bedf5SEli Britstein u32 update_flags, 2557e98bedf5SEli Britstein struct netlink_ext_ack *extack) 255826c02749SOr Gerlitz { 255926c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 256026c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 256126c02749SOr Gerlitz 256226c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 256326c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2564e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2565e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 256626c02749SOr Gerlitz netdev_warn(priv->netdev, 256726c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 256826c02749SOr Gerlitz return false; 256926c02749SOr Gerlitz } 257026c02749SOr Gerlitz 257126c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2572e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2573e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 257426c02749SOr Gerlitz netdev_warn(priv->netdev, 257526c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 257626c02749SOr Gerlitz update_flags); 257726c02749SOr Gerlitz return false; 257826c02749SOr Gerlitz } 257926c02749SOr Gerlitz 258026c02749SOr Gerlitz return true; 258126c02749SOr Gerlitz } 258226c02749SOr Gerlitz 25838998576bSDmytro Linkin struct ip_ttl_word { 25848998576bSDmytro Linkin __u8 ttl; 25858998576bSDmytro Linkin __u8 protocol; 25868998576bSDmytro Linkin __sum16 check; 25878998576bSDmytro Linkin }; 25888998576bSDmytro Linkin 25898998576bSDmytro Linkin struct ipv6_hoplimit_word { 25908998576bSDmytro Linkin __be16 payload_len; 25918998576bSDmytro Linkin __u8 nexthdr; 25928998576bSDmytro Linkin __u8 hop_limit; 25938998576bSDmytro Linkin }; 25948998576bSDmytro Linkin 25958998576bSDmytro Linkin static bool is_action_keys_supported(const struct flow_action_entry *act) 25968998576bSDmytro Linkin { 25978998576bSDmytro Linkin u32 mask, offset; 25988998576bSDmytro Linkin u8 htype; 25998998576bSDmytro Linkin 26008998576bSDmytro Linkin htype = act->mangle.htype; 26018998576bSDmytro Linkin offset = act->mangle.offset; 26028998576bSDmytro Linkin mask = ~act->mangle.mask; 26038998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 26048998576bSDmytro Linkin * to determine that modified fields 26058998576bSDmytro Linkin * are NOT ttl & hop_limit only. 26068998576bSDmytro Linkin */ 26078998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 26088998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 26098998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 26108998576bSDmytro Linkin 26118998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 26128998576bSDmytro Linkin ttl_word->protocol || 26138998576bSDmytro Linkin ttl_word->check) { 26148998576bSDmytro Linkin return true; 26158998576bSDmytro Linkin } 26168998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 26178998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 26188998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 26198998576bSDmytro Linkin 26208998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 26218998576bSDmytro Linkin hoplimit_word->payload_len || 26228998576bSDmytro Linkin hoplimit_word->nexthdr) { 26238998576bSDmytro Linkin return true; 26248998576bSDmytro Linkin } 26258998576bSDmytro Linkin } 26268998576bSDmytro Linkin return false; 26278998576bSDmytro Linkin } 26288998576bSDmytro Linkin 2629bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 263073867881SPablo Neira Ayuso struct flow_action *flow_action, 26311651925dSGuy Shattah u32 actions, 2632e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2633bdd66ac0SOr Gerlitz { 263473867881SPablo Neira Ayuso const struct flow_action_entry *act; 2635bdd66ac0SOr Gerlitz bool modify_ip_header; 2636bdd66ac0SOr Gerlitz void *headers_v; 2637bdd66ac0SOr Gerlitz u16 ethertype; 26388998576bSDmytro Linkin u8 ip_proto; 263973867881SPablo Neira Ayuso int i; 2640bdd66ac0SOr Gerlitz 26418377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 2642bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2643bdd66ac0SOr Gerlitz 2644bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2645bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2646bdd66ac0SOr Gerlitz goto out_ok; 2647bdd66ac0SOr Gerlitz 2648bdd66ac0SOr Gerlitz modify_ip_header = false; 264973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 265073867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 265173867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2652bdd66ac0SOr Gerlitz continue; 2653bdd66ac0SOr Gerlitz 26548998576bSDmytro Linkin if (is_action_keys_supported(act)) { 2655bdd66ac0SOr Gerlitz modify_ip_header = true; 2656bdd66ac0SOr Gerlitz break; 2657bdd66ac0SOr Gerlitz } 2658bdd66ac0SOr Gerlitz } 2659bdd66ac0SOr Gerlitz 2660bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 26611ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 26621ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2663e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2664e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2665bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2666bdd66ac0SOr Gerlitz return false; 2667bdd66ac0SOr Gerlitz } 2668bdd66ac0SOr Gerlitz 2669bdd66ac0SOr Gerlitz out_ok: 2670bdd66ac0SOr Gerlitz return true; 2671bdd66ac0SOr Gerlitz } 2672bdd66ac0SOr Gerlitz 2673bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 267473867881SPablo Neira Ayuso struct flow_action *flow_action, 2675bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2676e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2677e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2678bdd66ac0SOr Gerlitz { 2679bdd66ac0SOr Gerlitz u32 actions; 2680bdd66ac0SOr Gerlitz 2681226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 2682bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2683bdd66ac0SOr Gerlitz else 2684bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2685bdd66ac0SOr Gerlitz 2686226f2ca3SVlad Buslov if (flow_flag_test(flow, EGRESS) && 268735a605dbSEli Britstein !((actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) || 26886830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 26896830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_DROP))) 26907e29392eSRoi Dayan return false; 26917e29392eSRoi Dayan 2692bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 269373867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2694a655fe9fSDavid S. Miller flow_action, actions, 2695e98bedf5SEli Britstein extack); 2696bdd66ac0SOr Gerlitz 2697bdd66ac0SOr Gerlitz return true; 2698bdd66ac0SOr Gerlitz } 2699bdd66ac0SOr Gerlitz 27005c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 27015c65c564SOr Gerlitz { 27025c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2703816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 27045c65c564SOr Gerlitz 27055c65c564SOr Gerlitz fmdev = priv->mdev; 27065c65c564SOr Gerlitz pmdev = peer_priv->mdev; 27075c65c564SOr Gerlitz 270859c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 270959c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 27105c65c564SOr Gerlitz 2711816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 27125c65c564SOr Gerlitz } 27135c65c564SOr Gerlitz 2714bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2715bdc837eeSEli Britstein const struct flow_action_entry *act, 2716bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2717bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2718bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2719bdc837eeSEli Britstein { 2720bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2721bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2722bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2723bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2724bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2725bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2726bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2727bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2728bdc837eeSEli Britstein }; 27296fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 2730bf2f3bcaSEli Britstein void *headers_c, *headers_v; 2731bdc837eeSEli Britstein int err; 2732bdc837eeSEli Britstein 2733bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 2734bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 2735bf2f3bcaSEli Britstein 2736bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 2737bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 2738bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 2739bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 2740bf2f3bcaSEli Britstein return -EOPNOTSUPP; 2741bf2f3bcaSEli Britstein } 2742bf2f3bcaSEli Britstein 27436fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 27446fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 27456fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 27466fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 27476fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 2748bdc837eeSEli Britstein return -EOPNOTSUPP; 2749bdc837eeSEli Britstein } 2750bdc837eeSEli Britstein 2751bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2752bdc837eeSEli Britstein hdrs, NULL); 2753bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2754bdc837eeSEli Britstein 2755bdc837eeSEli Britstein return err; 2756bdc837eeSEli Britstein } 2757bdc837eeSEli Britstein 27580bac1194SEli Britstein static int 27590bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 27600bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 27610bac1194SEli Britstein struct pedit_headers_action *hdrs, 27620bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 27630bac1194SEli Britstein { 27640bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 27650bac1194SEli Britstein .vlan.vid = 0, 27660bac1194SEli Britstein .vlan.prio = 27670bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 27680bac1194SEli Britstein get_match_headers_value(*action, 27690bac1194SEli Britstein &parse_attr->spec), 27700bac1194SEli Britstein first_prio) & 27710bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 27720bac1194SEli Britstein get_match_headers_criteria(*action, 27730bac1194SEli Britstein &parse_attr->spec), 27740bac1194SEli Britstein first_prio), 27750bac1194SEli Britstein }; 27760bac1194SEli Britstein 27770bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 27780bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 27790bac1194SEli Britstein extack); 27800bac1194SEli Britstein } 27810bac1194SEli Britstein 278273867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 278373867881SPablo Neira Ayuso struct flow_action *flow_action, 2784aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2785e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2786e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2787e3a2b7edSAmir Vadai { 2788aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 278973867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 279073867881SPablo Neira Ayuso const struct flow_action_entry *act; 27911cab1cd7SOr Gerlitz u32 action = 0; 2792244cd96aSCong Wang int err, i; 2793e3a2b7edSAmir Vadai 279473867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2795e3a2b7edSAmir Vadai return -EINVAL; 2796e3a2b7edSAmir Vadai 27973bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2798e3a2b7edSAmir Vadai 279973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 280073867881SPablo Neira Ayuso switch (act->id) { 280173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 28021cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2803aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2804aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 28051cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 280673867881SPablo Neira Ayuso break; 280773867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 280873867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 280973867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2810c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 28112f4fe4caSOr Gerlitz if (err) 28122f4fe4caSOr Gerlitz return err; 28132f4fe4caSOr Gerlitz 28141cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 28152f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 281673867881SPablo Neira Ayuso break; 2817bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2818bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2819bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2820bdc837eeSEli Britstein act, parse_attr, hdrs, 2821bdc837eeSEli Britstein &action, extack); 2822bdc837eeSEli Britstein if (err) 2823bdc837eeSEli Britstein return err; 2824bdc837eeSEli Britstein 2825bdc837eeSEli Britstein break; 282673867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 28271cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 282873867881SPablo Neira Ayuso act->csum_flags, 2829e98bedf5SEli Britstein extack)) 283073867881SPablo Neira Ayuso break; 283126c02749SOr Gerlitz 283226c02749SOr Gerlitz return -EOPNOTSUPP; 283373867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 283473867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 28355c65c564SOr Gerlitz 28365c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 28375c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 283898b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 2839226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 28401cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 28415c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 28425c65c564SOr Gerlitz } else { 2843e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2844e98bedf5SEli Britstein "device is not on same HW, can't offload"); 28455c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 28465c65c564SOr Gerlitz peer_dev->name); 28475c65c564SOr Gerlitz return -EINVAL; 28485c65c564SOr Gerlitz } 28495c65c564SOr Gerlitz } 285073867881SPablo Neira Ayuso break; 285173867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 285273867881SPablo Neira Ayuso u32 mark = act->mark; 2853e3a2b7edSAmir Vadai 2854e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2855e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2856e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2857e3a2b7edSAmir Vadai return -EINVAL; 2858e3a2b7edSAmir Vadai } 2859e3a2b7edSAmir Vadai 28603bc4b7bfSOr Gerlitz attr->flow_tag = mark; 28611cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2862e3a2b7edSAmir Vadai } 286373867881SPablo Neira Ayuso break; 286473867881SPablo Neira Ayuso default: 28652cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 28662cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 2867e3a2b7edSAmir Vadai } 286873867881SPablo Neira Ayuso } 2869e3a2b7edSAmir Vadai 2870c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2871c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2872c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 287327c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 2874c500c86bSPablo Neira Ayuso if (err) 2875c500c86bSPablo Neira Ayuso return err; 287627c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 287727c11b6bSEli Britstein * flag. 287827c11b6bSEli Britstein */ 2879e7739a60SEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 288027c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2881e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 2882e7739a60SEli Britstein } 2883c500c86bSPablo Neira Ayuso } 2884c500c86bSPablo Neira Ayuso 28851cab1cd7SOr Gerlitz attr->action = action; 288673867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2887bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2888bdd66ac0SOr Gerlitz 2889e3a2b7edSAmir Vadai return 0; 2890e3a2b7edSAmir Vadai } 2891e3a2b7edSAmir Vadai 28927f1a546eSEli Britstein struct encap_key { 28931f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 2894d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 28957f1a546eSEli Britstein }; 28967f1a546eSEli Britstein 28977f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 28987f1a546eSEli Britstein struct encap_key *b) 2899a54e20b4SHadar Hen Zion { 29007f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 2901d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 2902a54e20b4SHadar Hen Zion } 2903a54e20b4SHadar Hen Zion 29047f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 2905a54e20b4SHadar Hen Zion { 29067f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 2907d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 2908a54e20b4SHadar Hen Zion } 2909a54e20b4SHadar Hen Zion 2910a54e20b4SHadar Hen Zion 2911b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2912b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2913b1d90e6bSRabie Loulou { 2914b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2915b1d90e6bSRabie Loulou 2916b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2917b1d90e6bSRabie Loulou 2918b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 291968931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 292068931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 292168931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2922b1d90e6bSRabie Loulou } 2923b1d90e6bSRabie Loulou 2924ce99f6b9SOr Gerlitz 292554c177caSOz Shlomo 2926948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 2927948993f2SVlad Buslov { 2928948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 2929948993f2SVlad Buslov } 2930948993f2SVlad Buslov 2931948993f2SVlad Buslov static struct mlx5e_encap_entry * 2932948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 2933948993f2SVlad Buslov uintptr_t hash_key) 2934948993f2SVlad Buslov { 2935948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2936948993f2SVlad Buslov struct mlx5e_encap_entry *e; 2937948993f2SVlad Buslov struct encap_key e_key; 2938948993f2SVlad Buslov 2939948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2940948993f2SVlad Buslov encap_hlist, hash_key) { 2941948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 2942948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 2943948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 2944948993f2SVlad Buslov mlx5e_encap_take(e)) 2945948993f2SVlad Buslov return e; 2946948993f2SVlad Buslov } 2947948993f2SVlad Buslov 2948948993f2SVlad Buslov return NULL; 2949948993f2SVlad Buslov } 2950948993f2SVlad Buslov 2951a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2952e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2953733d4f36SRoi Dayan struct net_device *mirred_dev, 2954733d4f36SRoi Dayan int out_index, 29558c4dc42bSEli Britstein struct netlink_ext_ack *extack, 29560ad060eeSRoi Dayan struct net_device **encap_dev, 29570ad060eeSRoi Dayan bool *encap_valid) 295803a9d11eSOr Gerlitz { 2959a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 296045247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2961733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 29621f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 2963948993f2SVlad Buslov struct encap_key key; 2964c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2965733d4f36SRoi Dayan unsigned short family; 2966a54e20b4SHadar Hen Zion uintptr_t hash_key; 296754c177caSOz Shlomo int err = 0; 2968a54e20b4SHadar Hen Zion 2969733d4f36SRoi Dayan parse_attr = attr->parse_attr; 29701f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 2971733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 29727f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 2973d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 2974d71f895cSEli Cohen if (!key.tc_tunnel) { 2975d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 2976d71f895cSEli Cohen return -EOPNOTSUPP; 2977d71f895cSEli Cohen } 2978733d4f36SRoi Dayan 29797f1a546eSEli Britstein hash_key = hash_encap_info(&key); 2980a54e20b4SHadar Hen Zion 298161086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 2982948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 2983a54e20b4SHadar Hen Zion 2984b2812089SVlad Buslov /* must verify if encap is valid or not */ 2985d589e785SVlad Buslov if (e) { 2986d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 2987d589e785SVlad Buslov wait_for_completion(&e->res_ready); 2988d589e785SVlad Buslov 2989d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 2990d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 29913c140dd5SVlad Buslov if (e->compl_result < 0) { 2992d589e785SVlad Buslov err = -EREMOTEIO; 2993d589e785SVlad Buslov goto out_err; 2994d589e785SVlad Buslov } 299545247bf2SOr Gerlitz goto attach_flow; 2996d589e785SVlad Buslov } 2997a54e20b4SHadar Hen Zion 2998a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 299961086f39SVlad Buslov if (!e) { 300061086f39SVlad Buslov err = -ENOMEM; 300161086f39SVlad Buslov goto out_err; 300261086f39SVlad Buslov } 3003a54e20b4SHadar Hen Zion 3004948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3005d589e785SVlad Buslov init_completion(&e->res_ready); 3006d589e785SVlad Buslov 30071f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3008101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 3009d589e785SVlad Buslov if (err) { 3010d589e785SVlad Buslov kfree(e); 3011d589e785SVlad Buslov e = NULL; 301254c177caSOz Shlomo goto out_err; 3013d589e785SVlad Buslov } 301454c177caSOz Shlomo 3015a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3016d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3017d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3018a54e20b4SHadar Hen Zion 3019ce99f6b9SOr Gerlitz if (family == AF_INET) 3020101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3021ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3022101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3023ce99f6b9SOr Gerlitz 3024d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3025d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3026d589e785SVlad Buslov complete_all(&e->res_ready); 3027d589e785SVlad Buslov if (err) { 3028d589e785SVlad Buslov e->compl_result = err; 3029a54e20b4SHadar Hen Zion goto out_err; 3030d589e785SVlad Buslov } 30313c140dd5SVlad Buslov e->compl_result = 1; 3032a54e20b4SHadar Hen Zion 303345247bf2SOr Gerlitz attach_flow: 3034948993f2SVlad Buslov flow->encaps[out_index].e = e; 30358c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 30368c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 303745247bf2SOr Gerlitz *encap_dev = e->out_dev; 30388c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 30398c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 30408c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 30410ad060eeSRoi Dayan *encap_valid = true; 30428c4dc42bSEli Britstein } else { 30430ad060eeSRoi Dayan *encap_valid = false; 30448c4dc42bSEli Britstein } 304561086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 304645247bf2SOr Gerlitz 3047232c0013SHadar Hen Zion return err; 3048a54e20b4SHadar Hen Zion 3049a54e20b4SHadar Hen Zion out_err: 305061086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3051d589e785SVlad Buslov if (e) 3052d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3053a54e20b4SHadar Hen Zion return err; 3054a54e20b4SHadar Hen Zion } 3055a54e20b4SHadar Hen Zion 30561482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 305773867881SPablo Neira Ayuso const struct flow_action_entry *act, 30581482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 30591482bd3dSJianbo Liu u32 *action) 30601482bd3dSJianbo Liu { 3061cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3062cc495188SJianbo Liu 3063cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 30641482bd3dSJianbo Liu return -EOPNOTSUPP; 3065cc495188SJianbo Liu 306673867881SPablo Neira Ayuso switch (act->id) { 306773867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3068cc495188SJianbo Liu if (vlan_idx) { 3069cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3070cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3071cc495188SJianbo Liu return -EOPNOTSUPP; 3072cc495188SJianbo Liu 3073cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3074cc495188SJianbo Liu } else { 3075cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3076cc495188SJianbo Liu } 307773867881SPablo Neira Ayuso break; 307873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 307973867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 308073867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 308173867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3082cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3083cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3084cc495188SJianbo Liu 3085cc495188SJianbo Liu if (vlan_idx) { 3086cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3087cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3088cc495188SJianbo Liu return -EOPNOTSUPP; 3089cc495188SJianbo Liu 3090cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3091cc495188SJianbo Liu } else { 3092cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 309373867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 309473867881SPablo Neira Ayuso act->vlan.prio)) 3095cc495188SJianbo Liu return -EOPNOTSUPP; 3096cc495188SJianbo Liu 3097cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 30981482bd3dSJianbo Liu } 309973867881SPablo Neira Ayuso break; 310073867881SPablo Neira Ayuso default: 3101bdc837eeSEli Britstein return -EINVAL; 31021482bd3dSJianbo Liu } 31031482bd3dSJianbo Liu 3104cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3105cc495188SJianbo Liu 31061482bd3dSJianbo Liu return 0; 31071482bd3dSJianbo Liu } 31081482bd3dSJianbo Liu 3109278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3110278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3111278748a9SEli Britstein struct net_device **out_dev, 3112278748a9SEli Britstein u32 *action) 3113278748a9SEli Britstein { 3114278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3115278748a9SEli Britstein struct flow_action_entry vlan_act = { 3116278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3117278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3118278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3119278748a9SEli Britstein .vlan.prio = 0, 3120278748a9SEli Britstein }; 3121278748a9SEli Britstein int err; 3122278748a9SEli Britstein 3123278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3124278748a9SEli Britstein if (err) 3125278748a9SEli Britstein return err; 3126278748a9SEli Britstein 3127278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3128278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3129278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3130278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3131278748a9SEli Britstein 3132278748a9SEli Britstein return err; 3133278748a9SEli Britstein } 3134278748a9SEli Britstein 313535a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 313635a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 313735a605dbSEli Britstein u32 *action) 313835a605dbSEli Britstein { 313935a605dbSEli Britstein int nest_level = vlan_get_encap_level(attr->parse_attr->filter_dev); 314035a605dbSEli Britstein struct flow_action_entry vlan_act = { 314135a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 314235a605dbSEli Britstein }; 314335a605dbSEli Britstein int err = 0; 314435a605dbSEli Britstein 314535a605dbSEli Britstein while (nest_level--) { 314635a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 314735a605dbSEli Britstein if (err) 314835a605dbSEli Britstein return err; 314935a605dbSEli Britstein } 315035a605dbSEli Britstein 315135a605dbSEli Britstein return err; 315235a605dbSEli Britstein } 315335a605dbSEli Britstein 3154f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3155f6dc1264SPaul Blakey struct net_device *out_dev) 3156f6dc1264SPaul Blakey { 3157f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 3158f6dc1264SPaul Blakey return true; 3159f6dc1264SPaul Blakey 3160f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 3161f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 3162f6dc1264SPaul Blakey } 3163f6dc1264SPaul Blakey 316473867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 316573867881SPablo Neira Ayuso struct flow_action *flow_action, 3166e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3167e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3168a54e20b4SHadar Hen Zion { 316973867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3170bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3171ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 31726f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 31731d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 317473867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 317573867881SPablo Neira Ayuso const struct flow_action_entry *act; 3176a54e20b4SHadar Hen Zion bool encap = false; 31771cab1cd7SOr Gerlitz u32 action = 0; 3178244cd96aSCong Wang int err, i; 317903a9d11eSOr Gerlitz 318073867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 318103a9d11eSOr Gerlitz return -EINVAL; 318203a9d11eSOr Gerlitz 318373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 318473867881SPablo Neira Ayuso switch (act->id) { 318573867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 31861cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 318703a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 318873867881SPablo Neira Ayuso break; 318973867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 319073867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 319173867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3192c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 3193d7e75a32SOr Gerlitz if (err) 3194d7e75a32SOr Gerlitz return err; 3195d7e75a32SOr Gerlitz 31961cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3197e85e02baSEli Britstein attr->split_count = attr->out_count; 319873867881SPablo Neira Ayuso break; 319973867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 32001cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 320173867881SPablo Neira Ayuso act->csum_flags, extack)) 320273867881SPablo Neira Ayuso break; 320326c02749SOr Gerlitz 320426c02749SOr Gerlitz return -EOPNOTSUPP; 320573867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 320673867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 320703a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3208592d3651SChris Mi struct net_device *out_dev; 320903a9d11eSOr Gerlitz 321073867881SPablo Neira Ayuso out_dev = act->dev; 3211ef381359SOz Shlomo if (!out_dev) { 3212ef381359SOz Shlomo /* out_dev is NULL when filters with 3213ef381359SOz Shlomo * non-existing mirred device are replayed to 3214ef381359SOz Shlomo * the driver. 3215ef381359SOz Shlomo */ 3216ef381359SOz Shlomo return -EINVAL; 3217ef381359SOz Shlomo } 321803a9d11eSOr Gerlitz 3219592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3220e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3221e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 3222592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 3223592d3651SChris Mi attr->out_count); 3224592d3651SChris Mi return -EOPNOTSUPP; 3225592d3651SChris Mi } 3226592d3651SChris Mi 3227f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3228f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3229f6dc1264SPaul Blakey if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 32307ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 32317ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 3232fa833bd5SVlad Buslov struct net_device *uplink_upper; 32337ba58ba7SRabie Loulou 3234fa833bd5SVlad Buslov rcu_read_lock(); 3235fa833bd5SVlad Buslov uplink_upper = 3236fa833bd5SVlad Buslov netdev_master_upper_dev_get_rcu(uplink_dev); 32377ba58ba7SRabie Loulou if (uplink_upper && 32387ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 32397ba58ba7SRabie Loulou uplink_upper == out_dev) 32407ba58ba7SRabie Loulou out_dev = uplink_dev; 3241fa833bd5SVlad Buslov rcu_read_unlock(); 32427ba58ba7SRabie Loulou 3243278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3244278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3245278748a9SEli Britstein &out_dev, 3246278748a9SEli Britstein &action); 3247278748a9SEli Britstein if (err) 3248278748a9SEli Britstein return err; 3249278748a9SEli Britstein } 3250f6dc1264SPaul Blakey 325135a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 325235a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 325335a605dbSEli Britstein &action); 325435a605dbSEli Britstein if (err) 325535a605dbSEli Britstein return err; 325635a605dbSEli Britstein } 3257278748a9SEli Britstein 3258f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3259f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3260f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 3261f6dc1264SPaul Blakey pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3262f6dc1264SPaul Blakey priv->netdev->name, out_dev->name); 3263a0646c88SEli Britstein return -EOPNOTSUPP; 3264f6dc1264SPaul Blakey } 3265a0646c88SEli Britstein 326603a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 32671d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3268df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 3269df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 3270df65a573SEli Britstein attr->out_count++; 3271a54e20b4SHadar Hen Zion } else if (encap) { 32728c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 32738c4dc42bSEli Britstein out_dev->ifindex; 32741f6da306SYevgeny Kliteynik parse_attr->tun_info[attr->out_count] = info; 32758c4dc42bSEli Britstein encap = false; 3276f493f155SEli Britstein attr->dests[attr->out_count].flags |= 3277f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 32781cc26d74SEli Britstein attr->out_count++; 3279df65a573SEli Britstein /* attr->dests[].rep is resolved when we 3280df65a573SEli Britstein * handle encap 3281df65a573SEli Britstein */ 3282ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3283ef381359SOz Shlomo /* All mlx5 devices are called to configure 3284ef381359SOz Shlomo * high level device filters. Therefore, the 3285ef381359SOz Shlomo * *attempt* to install a filter on invalid 3286ef381359SOz Shlomo * eswitch should not trigger an explicit error 3287ef381359SOz Shlomo */ 3288ef381359SOz Shlomo return -EINVAL; 3289a54e20b4SHadar Hen Zion } else { 3290e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3291e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 3292a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3293a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 3294a54e20b4SHadar Hen Zion return -EINVAL; 3295a54e20b4SHadar Hen Zion } 3296a54e20b4SHadar Hen Zion } 329773867881SPablo Neira Ayuso break; 329873867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 329973867881SPablo Neira Ayuso info = act->tunnel; 3300a54e20b4SHadar Hen Zion if (info) 3301a54e20b4SHadar Hen Zion encap = true; 3302a54e20b4SHadar Hen Zion else 3303a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 330403a9d11eSOr Gerlitz 330573867881SPablo Neira Ayuso break; 330673867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 330773867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 330876b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 330976b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 331076b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 331176b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 331276b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 331376b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 331476b496b1SEli Britstein act, parse_attr, hdrs, 331576b496b1SEli Britstein &action, extack); 331676b496b1SEli Britstein } else { 331773867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 331876b496b1SEli Britstein } 33191482bd3dSJianbo Liu if (err) 33201482bd3dSJianbo Liu return err; 33211482bd3dSJianbo Liu 3322e85e02baSEli Britstein attr->split_count = attr->out_count; 332373867881SPablo Neira Ayuso break; 3324bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3325bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3326bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3327bdc837eeSEli Britstein act, parse_attr, hdrs, 3328bdc837eeSEli Britstein &action, extack); 3329bdc837eeSEli Britstein if (err) 3330bdc837eeSEli Britstein return err; 3331bdc837eeSEli Britstein 3332bdc837eeSEli Britstein attr->split_count = attr->out_count; 3333bdc837eeSEli Britstein break; 333473867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 33351cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 333673867881SPablo Neira Ayuso break; 333773867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 333873867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 3339bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 3340bf07aa73SPaul Blakey 3341bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 3342bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 3343bf07aa73SPaul Blakey return -EOPNOTSUPP; 3344bf07aa73SPaul Blakey } 3345bf07aa73SPaul Blakey if (dest_chain > max_chain) { 3346bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 3347bf07aa73SPaul Blakey return -EOPNOTSUPP; 3348bf07aa73SPaul Blakey } 3349e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3350bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 335173867881SPablo Neira Ayuso break; 3352bf07aa73SPaul Blakey } 335373867881SPablo Neira Ayuso default: 33542cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 33552cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 335603a9d11eSOr Gerlitz } 335773867881SPablo Neira Ayuso } 3358bdd66ac0SOr Gerlitz 33590bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 33600bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 33610bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 33620bac1194SEli Britstein * tag rewrite. 33630bac1194SEli Britstein */ 33640bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 33650bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 33660bac1194SEli Britstein &action, extack); 33670bac1194SEli Britstein if (err) 33680bac1194SEli Britstein return err; 33690bac1194SEli Britstein } 33700bac1194SEli Britstein 3371c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3372c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 337384be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 337427c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3375c500c86bSPablo Neira Ayuso if (err) 3376c500c86bSPablo Neira Ayuso return err; 337727c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 337827c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 337927c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 338027c11b6bSEli Britstein */ 338127c11b6bSEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 338227c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3383e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 338427c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 338527c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 338627c11b6bSEli Britstein attr->split_count = 0; 338727c11b6bSEli Britstein } 3388c500c86bSPablo Neira Ayuso } 3389c500c86bSPablo Neira Ayuso 33901cab1cd7SOr Gerlitz attr->action = action; 339173867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3392bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3393bdd66ac0SOr Gerlitz 3394e88afe75SOr Gerlitz if (attr->dest_chain) { 3395e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3396e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3397e88afe75SOr Gerlitz return -EOPNOTSUPP; 3398e88afe75SOr Gerlitz } 3399e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3400e88afe75SOr Gerlitz } 3401e88afe75SOr Gerlitz 3402e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3403e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3404e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3405592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3406592d3651SChris Mi return -EOPNOTSUPP; 3407592d3651SChris Mi } 3408592d3651SChris Mi 340931c8eba5SOr Gerlitz return 0; 341003a9d11eSOr Gerlitz } 341103a9d11eSOr Gerlitz 3412226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 341360bd4af8SOr Gerlitz { 3414226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 341560bd4af8SOr Gerlitz 3416226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3417226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3418226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3419226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 342060bd4af8SOr Gerlitz 3421226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3422226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3423226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3424226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3425d9ee0491SOr Gerlitz 342660bd4af8SOr Gerlitz *flow_flags = __flow_flags; 342760bd4af8SOr Gerlitz } 342860bd4af8SOr Gerlitz 342905866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 343005866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 343105866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 343205866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 343305866c82SOr Gerlitz .automatic_shrinking = true, 343405866c82SOr Gerlitz }; 343505866c82SOr Gerlitz 3436226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3437226f2ca3SVlad Buslov unsigned long flags) 343805866c82SOr Gerlitz { 3439655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3440655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3441655dc3d2SOr Gerlitz 3442226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3443655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3444ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3445d9ee0491SOr Gerlitz } else /* NIC offload */ 344605866c82SOr Gerlitz return &priv->fs.tc.ht; 344705866c82SOr Gerlitz } 344805866c82SOr Gerlitz 344904de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 345004de7ddaSRoi Dayan { 34511418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3452b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 3453226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 34541418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 34551418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 34561418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 34571418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 34581418ddd9SAviv Heller 345910fbb1cdSRoi Dayan if (!esw_paired) 346010fbb1cdSRoi Dayan return false; 346110fbb1cdSRoi Dayan 346210fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 346310fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 346410fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 346510fbb1cdSRoi Dayan return true; 346610fbb1cdSRoi Dayan 346710fbb1cdSRoi Dayan return false; 346804de7ddaSRoi Dayan } 346904de7ddaSRoi Dayan 3470a88780a9SRoi Dayan static int 3471a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3472226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3473a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3474a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3475e3a2b7edSAmir Vadai { 347617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 34773bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 34785a7e5bcbSVlad Buslov int out_index, err; 3479776b12b6SOr Gerlitz 348065ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 34811b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 348217091853SOr Gerlitz if (!parse_attr || !flow) { 3483e3a2b7edSAmir Vadai err = -ENOMEM; 3484e3a2b7edSAmir Vadai goto err_free; 3485e3a2b7edSAmir Vadai } 3486e3a2b7edSAmir Vadai 3487e3a2b7edSAmir Vadai flow->cookie = f->cookie; 348865ba8fb7SOr Gerlitz flow->flags = flow_flags; 3489655dc3d2SOr Gerlitz flow->priv = priv; 34905a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 34915a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 34925a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 34935a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 34945a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 3495e3a2b7edSAmir Vadai 3496a88780a9SRoi Dayan *__flow = flow; 3497a88780a9SRoi Dayan *__parse_attr = parse_attr; 3498a88780a9SRoi Dayan 3499a88780a9SRoi Dayan return 0; 3500a88780a9SRoi Dayan 3501a88780a9SRoi Dayan err_free: 3502a88780a9SRoi Dayan kfree(flow); 3503a88780a9SRoi Dayan kvfree(parse_attr); 3504a88780a9SRoi Dayan return err; 3505adb4c123SOr Gerlitz } 3506adb4c123SOr Gerlitz 3507988ab9c7STonghao Zhang static void 3508988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 3509988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3510988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3511f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3512988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3513988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3514988ab9c7STonghao Zhang { 3515988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3516988ab9c7STonghao Zhang 3517988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 3518988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 3519ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 3520988ab9c7STonghao Zhang 3521988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3522988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3523988ab9c7STonghao Zhang 3524988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3525988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3526988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3527988ab9c7STonghao Zhang else 3528988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3529988ab9c7STonghao Zhang } 3530988ab9c7STonghao Zhang 353171129676SJason Gunthorpe static struct mlx5e_tc_flow * 353204de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3533f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3534226f2ca3SVlad Buslov unsigned long flow_flags, 3535d11afc26SOz Shlomo struct net_device *filter_dev, 353604de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 353771129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3538a88780a9SRoi Dayan { 3539f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3540a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3541a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3542a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3543a88780a9SRoi Dayan int attr_size, err; 3544a88780a9SRoi Dayan 3545226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3546a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3547a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3548a88780a9SRoi Dayan &parse_attr, &flow); 3549a88780a9SRoi Dayan if (err) 3550a88780a9SRoi Dayan goto out; 3551988ab9c7STonghao Zhang 3552d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3553988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 3554988ab9c7STonghao Zhang priv, parse_attr, 3555988ab9c7STonghao Zhang f, in_rep, in_mdev); 3556988ab9c7STonghao Zhang 355754c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 355854c177caSOz Shlomo f, filter_dev); 3559d11afc26SOz Shlomo if (err) 3560d11afc26SOz Shlomo goto err_free; 3561a88780a9SRoi Dayan 35626f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 3563a88780a9SRoi Dayan if (err) 3564a88780a9SRoi Dayan goto err_free; 3565a88780a9SRoi Dayan 35667040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 3567ef06c9eeSRoi Dayan if (err) { 3568ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3569aa0cbbaeSOr Gerlitz goto err_free; 35705c40348cSOr Gerlitz 3571b4a23329SRoi Dayan add_unready_flow(flow); 3572ef06c9eeSRoi Dayan } 3573ef06c9eeSRoi Dayan 357471129676SJason Gunthorpe return flow; 3575e3a2b7edSAmir Vadai 3576e3a2b7edSAmir Vadai err_free: 35775a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3578a88780a9SRoi Dayan out: 357971129676SJason Gunthorpe return ERR_PTR(err); 3580a88780a9SRoi Dayan } 3581a88780a9SRoi Dayan 3582f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 358395dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 3584226f2ca3SVlad Buslov unsigned long flow_flags) 358504de7ddaSRoi Dayan { 358604de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 358704de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 358804de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 358904de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 359004de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 359104de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 359204de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 359304de7ddaSRoi Dayan int err = 0; 359404de7ddaSRoi Dayan 359504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 359604de7ddaSRoi Dayan if (!peer_esw) 359704de7ddaSRoi Dayan return -ENODEV; 359804de7ddaSRoi Dayan 359904de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 360004de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 360104de7ddaSRoi Dayan 360204de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 360304de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 360404de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 360504de7ddaSRoi Dayan * peer mdev. 360604de7ddaSRoi Dayan */ 3607b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 360804de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 360904de7ddaSRoi Dayan else 361004de7ddaSRoi Dayan in_mdev = priv->mdev; 361104de7ddaSRoi Dayan 361204de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 361395dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 361404de7ddaSRoi Dayan parse_attr->filter_dev, 361571129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 361671129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 361771129676SJason Gunthorpe err = PTR_ERR(peer_flow); 361804de7ddaSRoi Dayan goto out; 361971129676SJason Gunthorpe } 362004de7ddaSRoi Dayan 362104de7ddaSRoi Dayan flow->peer_flow = peer_flow; 3622226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 362304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 362404de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 362504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 362604de7ddaSRoi Dayan 362704de7ddaSRoi Dayan out: 362804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 362904de7ddaSRoi Dayan return err; 363004de7ddaSRoi Dayan } 363104de7ddaSRoi Dayan 363204de7ddaSRoi Dayan static int 363304de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3634f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3635226f2ca3SVlad Buslov unsigned long flow_flags, 363604de7ddaSRoi Dayan struct net_device *filter_dev, 363704de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 363804de7ddaSRoi Dayan { 363904de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 364004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 364104de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 364204de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 364304de7ddaSRoi Dayan int err; 364404de7ddaSRoi Dayan 364571129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 364671129676SJason Gunthorpe in_mdev); 364771129676SJason Gunthorpe if (IS_ERR(flow)) 364871129676SJason Gunthorpe return PTR_ERR(flow); 364904de7ddaSRoi Dayan 365004de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 365195dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 365204de7ddaSRoi Dayan if (err) { 365304de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 365404de7ddaSRoi Dayan goto out; 365504de7ddaSRoi Dayan } 365604de7ddaSRoi Dayan } 365704de7ddaSRoi Dayan 365804de7ddaSRoi Dayan *__flow = flow; 365904de7ddaSRoi Dayan 366004de7ddaSRoi Dayan return 0; 366104de7ddaSRoi Dayan 366204de7ddaSRoi Dayan out: 366304de7ddaSRoi Dayan return err; 366404de7ddaSRoi Dayan } 366504de7ddaSRoi Dayan 3666a88780a9SRoi Dayan static int 3667a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3668f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3669226f2ca3SVlad Buslov unsigned long flow_flags, 3670d11afc26SOz Shlomo struct net_device *filter_dev, 3671a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3672a88780a9SRoi Dayan { 3673f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3674a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3675a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3676a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3677a88780a9SRoi Dayan int attr_size, err; 3678a88780a9SRoi Dayan 3679bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3680bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3681bf07aa73SPaul Blakey return -EOPNOTSUPP; 3682bf07aa73SPaul Blakey 3683226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3684a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3685a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3686a88780a9SRoi Dayan &parse_attr, &flow); 3687a88780a9SRoi Dayan if (err) 3688a88780a9SRoi Dayan goto out; 3689a88780a9SRoi Dayan 3690d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 369154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 369254c177caSOz Shlomo f, filter_dev); 3693d11afc26SOz Shlomo if (err) 3694d11afc26SOz Shlomo goto err_free; 3695d11afc26SOz Shlomo 369673867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3697a88780a9SRoi Dayan if (err) 3698a88780a9SRoi Dayan goto err_free; 3699a88780a9SRoi Dayan 3700a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3701a88780a9SRoi Dayan if (err) 3702a88780a9SRoi Dayan goto err_free; 3703a88780a9SRoi Dayan 3704226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 3705a88780a9SRoi Dayan kvfree(parse_attr); 3706a88780a9SRoi Dayan *__flow = flow; 3707a88780a9SRoi Dayan 3708a88780a9SRoi Dayan return 0; 3709a88780a9SRoi Dayan 3710a88780a9SRoi Dayan err_free: 37115a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3712a88780a9SRoi Dayan kvfree(parse_attr); 3713a88780a9SRoi Dayan out: 3714a88780a9SRoi Dayan return err; 3715a88780a9SRoi Dayan } 3716a88780a9SRoi Dayan 3717a88780a9SRoi Dayan static int 3718a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3719f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3720226f2ca3SVlad Buslov unsigned long flags, 3721d11afc26SOz Shlomo struct net_device *filter_dev, 3722a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3723a88780a9SRoi Dayan { 3724a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3725226f2ca3SVlad Buslov unsigned long flow_flags; 3726a88780a9SRoi Dayan int err; 3727a88780a9SRoi Dayan 3728a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3729a88780a9SRoi Dayan 3730bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3731bf07aa73SPaul Blakey return -EOPNOTSUPP; 3732bf07aa73SPaul Blakey 3733f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3734d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3735d11afc26SOz Shlomo filter_dev, flow); 3736a88780a9SRoi Dayan else 3737d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3738d11afc26SOz Shlomo filter_dev, flow); 3739a88780a9SRoi Dayan 3740a88780a9SRoi Dayan return err; 3741a88780a9SRoi Dayan } 3742a88780a9SRoi Dayan 374371d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3744226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3745a88780a9SRoi Dayan { 3746a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3747d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3748a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3749a88780a9SRoi Dayan int err = 0; 3750a88780a9SRoi Dayan 3751c5d326b2SVlad Buslov rcu_read_lock(); 3752c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3753c5d326b2SVlad Buslov rcu_read_unlock(); 3754a88780a9SRoi Dayan if (flow) { 3755a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3756a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3757a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3758a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3759a88780a9SRoi Dayan f->cookie); 37600e1c1a2fSVlad Buslov err = -EEXIST; 3761a88780a9SRoi Dayan goto out; 3762a88780a9SRoi Dayan } 3763a88780a9SRoi Dayan 3764d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3765a88780a9SRoi Dayan if (err) 3766a88780a9SRoi Dayan goto out; 3767a88780a9SRoi Dayan 3768c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 3769a88780a9SRoi Dayan if (err) 3770a88780a9SRoi Dayan goto err_free; 3771a88780a9SRoi Dayan 3772a88780a9SRoi Dayan return 0; 3773a88780a9SRoi Dayan 3774a88780a9SRoi Dayan err_free: 37755a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3776a88780a9SRoi Dayan out: 3777e3a2b7edSAmir Vadai return err; 3778e3a2b7edSAmir Vadai } 3779e3a2b7edSAmir Vadai 37808f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 37818f8ae895SOr Gerlitz { 3782226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 3783226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 37848f8ae895SOr Gerlitz 3785226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 3786226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 37878f8ae895SOr Gerlitz } 37888f8ae895SOr Gerlitz 378971d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 3790226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3791e3a2b7edSAmir Vadai { 3792d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3793e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3794c5d326b2SVlad Buslov int err; 3795e3a2b7edSAmir Vadai 3796c5d326b2SVlad Buslov rcu_read_lock(); 379705866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3798c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 3799c5d326b2SVlad Buslov err = -EINVAL; 3800c5d326b2SVlad Buslov goto errout; 3801c5d326b2SVlad Buslov } 3802e3a2b7edSAmir Vadai 3803c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 3804c5d326b2SVlad Buslov * set. 3805c5d326b2SVlad Buslov */ 3806c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 3807c5d326b2SVlad Buslov err = -EINVAL; 3808c5d326b2SVlad Buslov goto errout; 3809c5d326b2SVlad Buslov } 381005866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3811c5d326b2SVlad Buslov rcu_read_unlock(); 3812e3a2b7edSAmir Vadai 38135a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3814e3a2b7edSAmir Vadai 3815e3a2b7edSAmir Vadai return 0; 3816c5d326b2SVlad Buslov 3817c5d326b2SVlad Buslov errout: 3818c5d326b2SVlad Buslov rcu_read_unlock(); 3819c5d326b2SVlad Buslov return err; 3820e3a2b7edSAmir Vadai } 3821e3a2b7edSAmir Vadai 382271d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 3823226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3824aad7e08dSAmir Vadai { 382504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3826d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 382704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3828aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3829aad7e08dSAmir Vadai struct mlx5_fc *counter; 3830316d5f72SRoi Dayan u64 lastuse = 0; 3831316d5f72SRoi Dayan u64 packets = 0; 3832316d5f72SRoi Dayan u64 bytes = 0; 38335a7e5bcbSVlad Buslov int err = 0; 3834aad7e08dSAmir Vadai 3835c5d326b2SVlad Buslov rcu_read_lock(); 3836c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 38375a7e5bcbSVlad Buslov tc_ht_params)); 3838c5d326b2SVlad Buslov rcu_read_unlock(); 38395a7e5bcbSVlad Buslov if (IS_ERR(flow)) 38405a7e5bcbSVlad Buslov return PTR_ERR(flow); 38415a7e5bcbSVlad Buslov 38425a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 38435a7e5bcbSVlad Buslov err = -EINVAL; 38445a7e5bcbSVlad Buslov goto errout; 38455a7e5bcbSVlad Buslov } 3846aad7e08dSAmir Vadai 3847226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 3848b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3849aad7e08dSAmir Vadai if (!counter) 38505a7e5bcbSVlad Buslov goto errout; 3851aad7e08dSAmir Vadai 3852aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3853316d5f72SRoi Dayan } 3854aad7e08dSAmir Vadai 3855316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3856316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3857316d5f72SRoi Dayan */ 385804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 385904de7ddaSRoi Dayan if (!peer_esw) 386004de7ddaSRoi Dayan goto out; 386104de7ddaSRoi Dayan 3862226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 3863226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 386404de7ddaSRoi Dayan u64 bytes2; 386504de7ddaSRoi Dayan u64 packets2; 386604de7ddaSRoi Dayan u64 lastuse2; 386704de7ddaSRoi Dayan 386804de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3869316d5f72SRoi Dayan if (!counter) 3870316d5f72SRoi Dayan goto no_peer_counter; 387104de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 387204de7ddaSRoi Dayan 387304de7ddaSRoi Dayan bytes += bytes2; 387404de7ddaSRoi Dayan packets += packets2; 387504de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 387604de7ddaSRoi Dayan } 387704de7ddaSRoi Dayan 3878316d5f72SRoi Dayan no_peer_counter: 387904de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 388004de7ddaSRoi Dayan out: 38813b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 38825a7e5bcbSVlad Buslov errout: 38835a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 38845a7e5bcbSVlad Buslov return err; 3885aad7e08dSAmir Vadai } 3886aad7e08dSAmir Vadai 3887fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 3888fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 3889fcb64c0fSEli Cohen { 3890fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3891fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 3892fcb64c0fSEli Cohen u16 vport_num; 3893fcb64c0fSEli Cohen u32 rate_mbps; 3894fcb64c0fSEli Cohen int err; 3895fcb64c0fSEli Cohen 3896fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 3897fcb64c0fSEli Cohen /* rate is given in bytes/sec. 3898fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 3899fcb64c0fSEli Cohen * mbit means million bits. 3900fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 3901fcb64c0fSEli Cohen * 1 mbit/sec. 3902fcb64c0fSEli Cohen */ 3903fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 3904fcb64c0fSEli Cohen vport_num = rpriv->rep->vport; 3905fcb64c0fSEli Cohen 3906fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 3907fcb64c0fSEli Cohen if (err) 3908fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 3909fcb64c0fSEli Cohen 3910fcb64c0fSEli Cohen return err; 3911fcb64c0fSEli Cohen } 3912fcb64c0fSEli Cohen 3913fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 3914fcb64c0fSEli Cohen struct flow_action *flow_action, 3915fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 3916fcb64c0fSEli Cohen { 3917fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3918fcb64c0fSEli Cohen const struct flow_action_entry *act; 3919fcb64c0fSEli Cohen int err; 3920fcb64c0fSEli Cohen int i; 3921fcb64c0fSEli Cohen 3922fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 3923fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 3924fcb64c0fSEli Cohen return -EINVAL; 3925fcb64c0fSEli Cohen } 3926fcb64c0fSEli Cohen 3927fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 3928fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 3929fcb64c0fSEli Cohen return -EOPNOTSUPP; 3930fcb64c0fSEli Cohen } 3931fcb64c0fSEli Cohen 3932fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 3933fcb64c0fSEli Cohen switch (act->id) { 3934fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 3935fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 3936fcb64c0fSEli Cohen if (err) 3937fcb64c0fSEli Cohen return err; 3938fcb64c0fSEli Cohen 3939fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 3940fcb64c0fSEli Cohen break; 3941fcb64c0fSEli Cohen default: 3942fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 3943fcb64c0fSEli Cohen return -EOPNOTSUPP; 3944fcb64c0fSEli Cohen } 3945fcb64c0fSEli Cohen } 3946fcb64c0fSEli Cohen 3947fcb64c0fSEli Cohen return 0; 3948fcb64c0fSEli Cohen } 3949fcb64c0fSEli Cohen 3950fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 3951fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3952fcb64c0fSEli Cohen { 3953fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 3954fcb64c0fSEli Cohen int prio = TC_H_MAJ(ma->common.prio) >> 16; 3955fcb64c0fSEli Cohen 3956fcb64c0fSEli Cohen if (prio != 1) { 3957fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 3958fcb64c0fSEli Cohen return -EINVAL; 3959fcb64c0fSEli Cohen } 3960fcb64c0fSEli Cohen 3961fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 3962fcb64c0fSEli Cohen } 3963fcb64c0fSEli Cohen 3964fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 3965fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3966fcb64c0fSEli Cohen { 3967fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 3968fcb64c0fSEli Cohen 3969fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 3970fcb64c0fSEli Cohen } 3971fcb64c0fSEli Cohen 3972fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 3973fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3974fcb64c0fSEli Cohen { 3975fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3976fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 3977fcb64c0fSEli Cohen u64 dbytes; 3978fcb64c0fSEli Cohen u64 dpkts; 3979fcb64c0fSEli Cohen 3980fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 3981fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 3982fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 3983fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 3984fcb64c0fSEli Cohen flow_stats_update(&ma->stats, dpkts, dbytes, jiffies); 3985fcb64c0fSEli Cohen } 3986fcb64c0fSEli Cohen 39874d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 39884d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 39894d8fcf21SAlaa Hleihel { 39904d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 3991db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 3992db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 39934d8fcf21SAlaa Hleihel u16 peer_vhca_id; 39944d8fcf21SAlaa Hleihel int bkt; 39954d8fcf21SAlaa Hleihel 39964d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 39974d8fcf21SAlaa Hleihel return; 39984d8fcf21SAlaa Hleihel 39994d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 40004d8fcf21SAlaa Hleihel 4001b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4002db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4003db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4004db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4005b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4006db76ca24SVlad Buslov 4007db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4008db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4009db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4010db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4011db76ca24SVlad Buslov 4012db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4013db76ca24SVlad Buslov } 40144d8fcf21SAlaa Hleihel } 40154d8fcf21SAlaa Hleihel 40164d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 40174d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 40184d8fcf21SAlaa Hleihel { 40194d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 40204d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 40214d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 40224d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 40234d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 40244d8fcf21SAlaa Hleihel 40254d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 40264d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 40274d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 40284d8fcf21SAlaa Hleihel return NOTIFY_DONE; 40294d8fcf21SAlaa Hleihel 40304d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 40314d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 40324d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 40334d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 40344d8fcf21SAlaa Hleihel if (priv == peer_priv || 40354d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 40364d8fcf21SAlaa Hleihel return NOTIFY_DONE; 40374d8fcf21SAlaa Hleihel 40384d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 40394d8fcf21SAlaa Hleihel 40404d8fcf21SAlaa Hleihel return NOTIFY_DONE; 40414d8fcf21SAlaa Hleihel } 40424d8fcf21SAlaa Hleihel 4043655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4044e8f887acSAmir Vadai { 4045acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 40464d8fcf21SAlaa Hleihel int err; 4047e8f887acSAmir Vadai 4048b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4049d2faae25SVlad Buslov mutex_init(&tc->mod_hdr.lock); 4050dd58edc3SVlad Buslov hash_init(tc->mod_hdr.hlist); 4051b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 40525c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 405311c9c548SOr Gerlitz 40544d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 40554d8fcf21SAlaa Hleihel if (err) 40564d8fcf21SAlaa Hleihel return err; 40574d8fcf21SAlaa Hleihel 40584d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 40594d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 40604d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 40614d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 40624d8fcf21SAlaa Hleihel } 40634d8fcf21SAlaa Hleihel 40644d8fcf21SAlaa Hleihel return err; 4065e8f887acSAmir Vadai } 4066e8f887acSAmir Vadai 4067e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4068e8f887acSAmir Vadai { 4069e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4070655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4071e8f887acSAmir Vadai 4072961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4073e8f887acSAmir Vadai kfree(flow); 4074e8f887acSAmir Vadai } 4075e8f887acSAmir Vadai 4076655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4077e8f887acSAmir Vadai { 4078acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4079e8f887acSAmir Vadai 40804d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 40814d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 40824d8fcf21SAlaa Hleihel 4083d2faae25SVlad Buslov mutex_destroy(&tc->mod_hdr.lock); 4084b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4085b32accdaSVlad Buslov 4086d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4087e8f887acSAmir Vadai 4088acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4089acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4090acff797cSMaor Gottlieb tc->t = NULL; 4091e8f887acSAmir Vadai } 4092b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4093e8f887acSAmir Vadai } 4094655dc3d2SOr Gerlitz 4095655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4096655dc3d2SOr Gerlitz { 4097655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 4098655dc3d2SOr Gerlitz } 4099655dc3d2SOr Gerlitz 4100655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4101655dc3d2SOr Gerlitz { 4102655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 4103655dc3d2SOr Gerlitz } 410401252a27SOr Gerlitz 4105226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 410601252a27SOr Gerlitz { 4107d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 410801252a27SOr Gerlitz 410901252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 411001252a27SOr Gerlitz } 411104de7ddaSRoi Dayan 411204de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 411304de7ddaSRoi Dayan { 411404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 411504de7ddaSRoi Dayan 411604de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 411704de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 411804de7ddaSRoi Dayan } 4119b4a23329SRoi Dayan 4120b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4121b4a23329SRoi Dayan { 4122b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4123b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4124b4a23329SRoi Dayan reoffload_flows_work); 4125b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4126b4a23329SRoi Dayan 4127ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4128b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4129b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4130ad86755bSVlad Buslov unready_flow_del(flow); 4131b4a23329SRoi Dayan } 4132ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4133b4a23329SRoi Dayan } 4134