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> 4203a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 43776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 44bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 45d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4626c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 47f6dfb4c3SHadar Hen Zion #include <net/arp.h> 483616d08bSDavid Ahern #include <net/ipv6_stubs.h> 49e8f887acSAmir Vadai #include "en.h" 501d447a39SSaeed Mahameed #include "en_rep.h" 51232c0013SHadar Hen Zion #include "en_tc.h" 5203a9d11eSOr Gerlitz #include "eswitch.h" 533f6d08d1SOr Gerlitz #include "fs_core.h" 542c81bfd5SHuy Nguyen #include "en/port.h" 55101f4de9SOz Shlomo #include "en/tc_tun.h" 5604de7ddaSRoi Dayan #include "lib/devcom.h" 579272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 58e8f887acSAmir Vadai 593bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 603bc4b7bfSOr Gerlitz u32 action; 613bc4b7bfSOr Gerlitz u32 flow_tag; 622f4fe4caSOr Gerlitz u32 mod_hdr_id; 635c65c564SOr Gerlitz u32 hairpin_tirn; 6438aa51c1SOr Gerlitz u8 match_level; 653f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 66b8aee822SMark Bloch struct mlx5_fc *counter; 673bc4b7bfSOr Gerlitz }; 683bc4b7bfSOr Gerlitz 69226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 7060bd4af8SOr Gerlitz 7165ba8fb7SOr Gerlitz enum { 72226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 73226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 74226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 75226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 76226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 77226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 78226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 79226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 80226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 81226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 82c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 8365ba8fb7SOr Gerlitz }; 8465ba8fb7SOr Gerlitz 85e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 86e4ad91f2SChris Mi 8779baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 8879baaec7SEli Britstein * Containing struct 8979baaec7SEli Britstein * |- Helper array 9079baaec7SEli Britstein * [0] Helper item 0 9179baaec7SEli Britstein * |- list_head item 0 9279baaec7SEli Britstein * |- index (0) 9379baaec7SEli Britstein * [1] Helper item 1 9479baaec7SEli Britstein * |- list_head item 1 9579baaec7SEli Britstein * |- index (1) 9679baaec7SEli Britstein * To access the containing struct from one of the list_head items: 9779baaec7SEli Britstein * 1. Get the helper item from the list_head item using 9879baaec7SEli Britstein * helper item = 9979baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 10079baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 10179baaec7SEli Britstein * containing struct = 10279baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 10379baaec7SEli Britstein */ 10479baaec7SEli Britstein struct encap_flow_item { 10579baaec7SEli Britstein struct list_head list; 10679baaec7SEli Britstein int index; 10779baaec7SEli Britstein }; 10879baaec7SEli Britstein 109e8f887acSAmir Vadai struct mlx5e_tc_flow { 110e8f887acSAmir Vadai struct rhash_head node; 111655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 112e8f887acSAmir Vadai u64 cookie; 113226f2ca3SVlad Buslov unsigned long flags; 114e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11579baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 11679baaec7SEli Britstein * The number of encaps is bounded by the number of supported 11779baaec7SEli Britstein * destinations. 11879baaec7SEli Britstein */ 11979baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 12004de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 12111c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 1225c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 12304de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 124b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1255a7e5bcbSVlad Buslov refcount_t refcnt; 126c5d326b2SVlad Buslov struct rcu_head rcu_head; 1273bc4b7bfSOr Gerlitz union { 128ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1293bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1303bc4b7bfSOr Gerlitz }; 131e8f887acSAmir Vadai }; 132e8f887acSAmir Vadai 13317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1341f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 135d11afc26SOz Shlomo struct net_device *filter_dev; 13617091853SOr Gerlitz struct mlx5_flow_spec spec; 137d79b6df6SOr Gerlitz int num_mod_hdr_actions; 138218d05ceSTonghao Zhang int max_mod_hdr_actions; 139d79b6df6SOr Gerlitz void *mod_hdr_actions; 14098b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 14117091853SOr Gerlitz }; 14217091853SOr Gerlitz 143acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 144b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 145e8f887acSAmir Vadai 14677ab67b7SOr Gerlitz struct mlx5e_hairpin { 14777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 14877ab67b7SOr Gerlitz 14977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1503f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 15177ab67b7SOr Gerlitz u32 tdn; 15277ab67b7SOr Gerlitz u32 tirn; 1533f6d08d1SOr Gerlitz 1543f6d08d1SOr Gerlitz int num_channels; 1553f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1563f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1573f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 15877ab67b7SOr Gerlitz }; 15977ab67b7SOr Gerlitz 1605c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1615c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1625c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1635c65c564SOr Gerlitz 1645c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1655c65c564SOr Gerlitz struct list_head flows; 1665c65c564SOr Gerlitz 167d8822868SOr Gerlitz u16 peer_vhca_id; 168106be53bSOr Gerlitz u8 prio; 1695c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1705c65c564SOr Gerlitz }; 1715c65c564SOr Gerlitz 17211c9c548SOr Gerlitz struct mod_hdr_key { 17311c9c548SOr Gerlitz int num_actions; 17411c9c548SOr Gerlitz void *actions; 17511c9c548SOr Gerlitz }; 17611c9c548SOr Gerlitz 17711c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 17811c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 17911c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 18011c9c548SOr Gerlitz 18111c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 18211c9c548SOr Gerlitz struct list_head flows; 18311c9c548SOr Gerlitz 18411c9c548SOr Gerlitz struct mod_hdr_key key; 18511c9c548SOr Gerlitz 18611c9c548SOr Gerlitz u32 mod_hdr_id; 18711c9c548SOr Gerlitz }; 18811c9c548SOr Gerlitz 18911c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 19011c9c548SOr Gerlitz 1915a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1925a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 1935a7e5bcbSVlad Buslov 1945a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 1955a7e5bcbSVlad Buslov { 1965a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 1975a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 1985a7e5bcbSVlad Buslov return flow; 1995a7e5bcbSVlad Buslov } 2005a7e5bcbSVlad Buslov 2015a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 2025a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 2035a7e5bcbSVlad Buslov { 2045a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 2055a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 206c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 2075a7e5bcbSVlad Buslov } 2085a7e5bcbSVlad Buslov } 2095a7e5bcbSVlad Buslov 210226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 211226f2ca3SVlad Buslov { 212226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 213226f2ca3SVlad Buslov smp_mb__before_atomic(); 214226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 215226f2ca3SVlad Buslov } 216226f2ca3SVlad Buslov 217226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 218226f2ca3SVlad Buslov 219c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 220c5d326b2SVlad Buslov unsigned long flag) 221c5d326b2SVlad Buslov { 222c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 223c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 224c5d326b2SVlad Buslov } 225c5d326b2SVlad Buslov 226c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 227c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 228c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 229c5d326b2SVlad Buslov 230226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 231226f2ca3SVlad Buslov { 232226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 233226f2ca3SVlad Buslov smp_mb__before_atomic(); 234226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 235226f2ca3SVlad Buslov } 236226f2ca3SVlad Buslov 237226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 238226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 239226f2ca3SVlad Buslov 240226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 241226f2ca3SVlad Buslov { 242226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 243226f2ca3SVlad Buslov 244226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 245226f2ca3SVlad Buslov smp_mb__after_atomic(); 246226f2ca3SVlad Buslov return ret; 247226f2ca3SVlad Buslov } 248226f2ca3SVlad Buslov 249226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 250226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 251226f2ca3SVlad Buslov 252226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 253226f2ca3SVlad Buslov { 254226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 255226f2ca3SVlad Buslov } 256226f2ca3SVlad Buslov 257226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 258226f2ca3SVlad Buslov { 259226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 260226f2ca3SVlad Buslov } 261226f2ca3SVlad Buslov 26211c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 26311c9c548SOr Gerlitz { 26411c9c548SOr Gerlitz return jhash(key->actions, 26511c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 26611c9c548SOr Gerlitz } 26711c9c548SOr Gerlitz 26811c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 26911c9c548SOr Gerlitz struct mod_hdr_key *b) 27011c9c548SOr Gerlitz { 27111c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 27211c9c548SOr Gerlitz return 1; 27311c9c548SOr Gerlitz 27411c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 27511c9c548SOr Gerlitz } 27611c9c548SOr Gerlitz 27711c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 27811c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 27911c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 28011c9c548SOr Gerlitz { 28111c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 28211c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 283226f2ca3SVlad Buslov bool found = false, is_eswitch_flow; 28411c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 28511c9c548SOr Gerlitz struct mod_hdr_key key; 28611c9c548SOr Gerlitz u32 hash_key; 28711c9c548SOr Gerlitz 28811c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 28911c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 29011c9c548SOr Gerlitz 29111c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 29211c9c548SOr Gerlitz key.num_actions = num_actions; 29311c9c548SOr Gerlitz 29411c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 29511c9c548SOr Gerlitz 296226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 297226f2ca3SVlad Buslov if (is_eswitch_flow) { 29811c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 29911c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 30011c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 30111c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 30211c9c548SOr Gerlitz found = true; 30311c9c548SOr Gerlitz break; 30411c9c548SOr Gerlitz } 30511c9c548SOr Gerlitz } 30611c9c548SOr Gerlitz } else { 30711c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 30811c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 30911c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 31011c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 31111c9c548SOr Gerlitz found = true; 31211c9c548SOr Gerlitz break; 31311c9c548SOr Gerlitz } 31411c9c548SOr Gerlitz } 31511c9c548SOr Gerlitz } 31611c9c548SOr Gerlitz 31711c9c548SOr Gerlitz if (found) 31811c9c548SOr Gerlitz goto attach_flow; 31911c9c548SOr Gerlitz 32011c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 32111c9c548SOr Gerlitz if (!mh) 32211c9c548SOr Gerlitz return -ENOMEM; 32311c9c548SOr Gerlitz 32411c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 32511c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 32611c9c548SOr Gerlitz mh->key.num_actions = num_actions; 32711c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 32811c9c548SOr Gerlitz 32911c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 33011c9c548SOr Gerlitz mh->key.num_actions, 33111c9c548SOr Gerlitz mh->key.actions, 33211c9c548SOr Gerlitz &mh->mod_hdr_id); 33311c9c548SOr Gerlitz if (err) 33411c9c548SOr Gerlitz goto out_err; 33511c9c548SOr Gerlitz 336226f2ca3SVlad Buslov if (is_eswitch_flow) 33711c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 33811c9c548SOr Gerlitz else 33911c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 34011c9c548SOr Gerlitz 34111c9c548SOr Gerlitz attach_flow: 34211c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 343226f2ca3SVlad Buslov if (is_eswitch_flow) 34411c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 34511c9c548SOr Gerlitz else 34611c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 34711c9c548SOr Gerlitz 34811c9c548SOr Gerlitz return 0; 34911c9c548SOr Gerlitz 35011c9c548SOr Gerlitz out_err: 35111c9c548SOr Gerlitz kfree(mh); 35211c9c548SOr Gerlitz return err; 35311c9c548SOr Gerlitz } 35411c9c548SOr Gerlitz 35511c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 35611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 35711c9c548SOr Gerlitz { 35811c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 35911c9c548SOr Gerlitz 3605a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 3615a7e5bcbSVlad Buslov if (list_empty(&flow->mod_hdr)) 3625a7e5bcbSVlad Buslov return; 3635a7e5bcbSVlad Buslov 36411c9c548SOr Gerlitz list_del(&flow->mod_hdr); 36511c9c548SOr Gerlitz 36611c9c548SOr Gerlitz if (list_empty(next)) { 36711c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 36811c9c548SOr Gerlitz 36911c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 37011c9c548SOr Gerlitz 37111c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 37211c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 37311c9c548SOr Gerlitz kfree(mh); 37411c9c548SOr Gerlitz } 37511c9c548SOr Gerlitz } 37611c9c548SOr Gerlitz 37777ab67b7SOr Gerlitz static 37877ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 37977ab67b7SOr Gerlitz { 38077ab67b7SOr Gerlitz struct net_device *netdev; 38177ab67b7SOr Gerlitz struct mlx5e_priv *priv; 38277ab67b7SOr Gerlitz 38377ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 38477ab67b7SOr Gerlitz priv = netdev_priv(netdev); 38577ab67b7SOr Gerlitz return priv->mdev; 38677ab67b7SOr Gerlitz } 38777ab67b7SOr Gerlitz 38877ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 38977ab67b7SOr Gerlitz { 39077ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 39177ab67b7SOr Gerlitz void *tirc; 39277ab67b7SOr Gerlitz int err; 39377ab67b7SOr Gerlitz 39477ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 39577ab67b7SOr Gerlitz if (err) 39677ab67b7SOr Gerlitz goto alloc_tdn_err; 39777ab67b7SOr Gerlitz 39877ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 39977ab67b7SOr Gerlitz 40077ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 401ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 40277ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 40377ab67b7SOr Gerlitz 40477ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 40577ab67b7SOr Gerlitz if (err) 40677ab67b7SOr Gerlitz goto create_tir_err; 40777ab67b7SOr Gerlitz 40877ab67b7SOr Gerlitz return 0; 40977ab67b7SOr Gerlitz 41077ab67b7SOr Gerlitz create_tir_err: 41177ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 41277ab67b7SOr Gerlitz alloc_tdn_err: 41377ab67b7SOr Gerlitz return err; 41477ab67b7SOr Gerlitz } 41577ab67b7SOr Gerlitz 41677ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 41777ab67b7SOr Gerlitz { 41877ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 41977ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 42077ab67b7SOr Gerlitz } 42177ab67b7SOr Gerlitz 4223f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 4233f6d08d1SOr Gerlitz { 4243f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 4253f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4263f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 4273f6d08d1SOr Gerlitz 4283f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 4293f6d08d1SOr Gerlitz hp->num_channels); 4303f6d08d1SOr Gerlitz 4313f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 4323f6d08d1SOr Gerlitz ix = i; 433bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 4343f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 4353f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 4363f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 4373f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 4383f6d08d1SOr Gerlitz } 4393f6d08d1SOr Gerlitz } 4403f6d08d1SOr Gerlitz 4413f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 4423f6d08d1SOr Gerlitz { 4433f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 4443f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4453f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 4463f6d08d1SOr Gerlitz void *rqtc; 4473f6d08d1SOr Gerlitz u32 *in; 4483f6d08d1SOr Gerlitz 4493f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 4503f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 4513f6d08d1SOr Gerlitz if (!in) 4523f6d08d1SOr Gerlitz return -ENOMEM; 4533f6d08d1SOr Gerlitz 4543f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 4553f6d08d1SOr Gerlitz 4563f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 4573f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 4583f6d08d1SOr Gerlitz 4593f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 4603f6d08d1SOr Gerlitz 4613f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 4623f6d08d1SOr Gerlitz if (!err) 4633f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 4643f6d08d1SOr Gerlitz 4653f6d08d1SOr Gerlitz kvfree(in); 4663f6d08d1SOr Gerlitz return err; 4673f6d08d1SOr Gerlitz } 4683f6d08d1SOr Gerlitz 4693f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 4703f6d08d1SOr Gerlitz { 4713f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4723f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 4733f6d08d1SOr Gerlitz int tt, i, err; 4743f6d08d1SOr Gerlitz void *tirc; 4753f6d08d1SOr Gerlitz 4763f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 477d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 478d930ac79SAya Levin 4793f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 4803f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 4813f6d08d1SOr Gerlitz 4823f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 4833f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 4843f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 485bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 486bbeb53b8SAya Levin 4873f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 4883f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 4893f6d08d1SOr Gerlitz if (err) { 4903f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 4913f6d08d1SOr Gerlitz goto err_destroy_tirs; 4923f6d08d1SOr Gerlitz } 4933f6d08d1SOr Gerlitz } 4943f6d08d1SOr Gerlitz return 0; 4953f6d08d1SOr Gerlitz 4963f6d08d1SOr Gerlitz err_destroy_tirs: 4973f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 4983f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 4993f6d08d1SOr Gerlitz return err; 5003f6d08d1SOr Gerlitz } 5013f6d08d1SOr Gerlitz 5023f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5033f6d08d1SOr Gerlitz { 5043f6d08d1SOr Gerlitz int tt; 5053f6d08d1SOr Gerlitz 5063f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5073f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 5083f6d08d1SOr Gerlitz } 5093f6d08d1SOr Gerlitz 5103f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5113f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5123f6d08d1SOr Gerlitz { 5133f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5143f6d08d1SOr Gerlitz int tt; 5153f6d08d1SOr Gerlitz 5163f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5173f6d08d1SOr Gerlitz 5183f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 5193f6d08d1SOr Gerlitz 5203f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5213f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 5223f6d08d1SOr Gerlitz 5233f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 5243f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 5253f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 5263f6d08d1SOr Gerlitz } 5273f6d08d1SOr Gerlitz 5283f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 5293f6d08d1SOr Gerlitz { 5303f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5313f6d08d1SOr Gerlitz struct ttc_params ttc_params; 5323f6d08d1SOr Gerlitz int err; 5333f6d08d1SOr Gerlitz 5343f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 5353f6d08d1SOr Gerlitz if (err) 5363f6d08d1SOr Gerlitz return err; 5373f6d08d1SOr Gerlitz 5383f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 5393f6d08d1SOr Gerlitz if (err) 5403f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 5413f6d08d1SOr Gerlitz 5423f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 5433f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 5443f6d08d1SOr Gerlitz if (err) 5453f6d08d1SOr Gerlitz goto err_create_ttc_table; 5463f6d08d1SOr Gerlitz 5473f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 5483f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 5493f6d08d1SOr Gerlitz 5503f6d08d1SOr Gerlitz return 0; 5513f6d08d1SOr Gerlitz 5523f6d08d1SOr Gerlitz err_create_ttc_table: 5533f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 5543f6d08d1SOr Gerlitz err_create_indirect_tirs: 5553f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 5563f6d08d1SOr Gerlitz 5573f6d08d1SOr Gerlitz return err; 5583f6d08d1SOr Gerlitz } 5593f6d08d1SOr Gerlitz 5603f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 5613f6d08d1SOr Gerlitz { 5623f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5633f6d08d1SOr Gerlitz 5643f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 5653f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 5663f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 5673f6d08d1SOr Gerlitz } 5683f6d08d1SOr Gerlitz 56977ab67b7SOr Gerlitz static struct mlx5e_hairpin * 57077ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 57177ab67b7SOr Gerlitz int peer_ifindex) 57277ab67b7SOr Gerlitz { 57377ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 57477ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 57577ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 57677ab67b7SOr Gerlitz int err; 57777ab67b7SOr Gerlitz 57877ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 57977ab67b7SOr Gerlitz if (!hp) 58077ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 58177ab67b7SOr Gerlitz 58277ab67b7SOr Gerlitz func_mdev = priv->mdev; 58377ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 58477ab67b7SOr Gerlitz 58577ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 58677ab67b7SOr Gerlitz if (IS_ERR(pair)) { 58777ab67b7SOr Gerlitz err = PTR_ERR(pair); 58877ab67b7SOr Gerlitz goto create_pair_err; 58977ab67b7SOr Gerlitz } 59077ab67b7SOr Gerlitz hp->pair = pair; 59177ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 5923f6d08d1SOr Gerlitz hp->func_priv = priv; 5933f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 59477ab67b7SOr Gerlitz 59577ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 59677ab67b7SOr Gerlitz if (err) 59777ab67b7SOr Gerlitz goto create_transport_err; 59877ab67b7SOr Gerlitz 5993f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6003f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6013f6d08d1SOr Gerlitz if (err) 6023f6d08d1SOr Gerlitz goto rss_init_err; 6033f6d08d1SOr Gerlitz } 6043f6d08d1SOr Gerlitz 60577ab67b7SOr Gerlitz return hp; 60677ab67b7SOr Gerlitz 6073f6d08d1SOr Gerlitz rss_init_err: 6083f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 60977ab67b7SOr Gerlitz create_transport_err: 61077ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 61177ab67b7SOr Gerlitz create_pair_err: 61277ab67b7SOr Gerlitz kfree(hp); 61377ab67b7SOr Gerlitz return ERR_PTR(err); 61477ab67b7SOr Gerlitz } 61577ab67b7SOr Gerlitz 61677ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 61777ab67b7SOr Gerlitz { 6183f6d08d1SOr Gerlitz if (hp->num_channels > 1) 6193f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 62077ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 62177ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 62277ab67b7SOr Gerlitz kvfree(hp); 62377ab67b7SOr Gerlitz } 62477ab67b7SOr Gerlitz 625106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 626106be53bSOr Gerlitz { 627106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 628106be53bSOr Gerlitz } 629106be53bSOr Gerlitz 6305c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 631106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 6325c65c564SOr Gerlitz { 6335c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 634106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 6355c65c564SOr Gerlitz 6365c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 637106be53bSOr Gerlitz hairpin_hlist, hash_key) { 638106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 6395c65c564SOr Gerlitz return hpe; 6405c65c564SOr Gerlitz } 6415c65c564SOr Gerlitz 6425c65c564SOr Gerlitz return NULL; 6435c65c564SOr Gerlitz } 6445c65c564SOr Gerlitz 645106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 646106be53bSOr Gerlitz 647106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 648e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 649e98bedf5SEli Britstein struct netlink_ext_ack *extack) 650106be53bSOr Gerlitz { 651106be53bSOr Gerlitz void *headers_c, *headers_v; 652106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 653106be53bSOr Gerlitz bool vlan_present; 654106be53bSOr Gerlitz 655106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 656106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 657e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 658e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 659106be53bSOr Gerlitz return -EOPNOTSUPP; 660106be53bSOr Gerlitz } 661106be53bSOr Gerlitz #endif 662106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 663106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 664106be53bSOr Gerlitz 665106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 666106be53bSOr Gerlitz if (vlan_present) { 667106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 668106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 669106be53bSOr Gerlitz } 670106be53bSOr Gerlitz 671106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 672106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 673106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 674e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 675e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 676106be53bSOr Gerlitz return -EOPNOTSUPP; 677106be53bSOr Gerlitz } 678106be53bSOr Gerlitz 679106be53bSOr Gerlitz *match_prio = prio_val; 680106be53bSOr Gerlitz return 0; 681106be53bSOr Gerlitz } 682106be53bSOr Gerlitz 6835c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 6845c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 685e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 686e98bedf5SEli Britstein struct netlink_ext_ack *extack) 6875c65c564SOr Gerlitz { 68898b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 6895c65c564SOr Gerlitz struct mlx5_hairpin_params params; 690d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 6915c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6925c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 6933f6d08d1SOr Gerlitz u64 link_speed64; 6943f6d08d1SOr Gerlitz u32 link_speed; 695106be53bSOr Gerlitz u8 match_prio; 696d8822868SOr Gerlitz u16 peer_id; 6975c65c564SOr Gerlitz int err; 6985c65c564SOr Gerlitz 699d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 700d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 701e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 7025c65c564SOr Gerlitz return -EOPNOTSUPP; 7035c65c564SOr Gerlitz } 7045c65c564SOr Gerlitz 705d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 706e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 707e98bedf5SEli Britstein extack); 708106be53bSOr Gerlitz if (err) 709106be53bSOr Gerlitz return err; 710106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 7115c65c564SOr Gerlitz if (hpe) 7125c65c564SOr Gerlitz goto attach_flow; 7135c65c564SOr Gerlitz 7145c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 7155c65c564SOr Gerlitz if (!hpe) 7165c65c564SOr Gerlitz return -ENOMEM; 7175c65c564SOr Gerlitz 7185c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 719d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 720106be53bSOr Gerlitz hpe->prio = match_prio; 7215c65c564SOr Gerlitz 7225c65c564SOr Gerlitz params.log_data_size = 15; 7235c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 7245c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 7255c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 7265c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 7275c65c564SOr Gerlitz 728eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 729eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 730eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 731eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 732eb9180f7SOr Gerlitz 733eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 7343f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 7352c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 7363f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 7373f6d08d1SOr Gerlitz link_speed64 = link_speed; 7383f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 7393f6d08d1SOr Gerlitz params.num_channels = link_speed64; 7403f6d08d1SOr Gerlitz 7415c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 7425c65c564SOr Gerlitz if (IS_ERR(hp)) { 7435c65c564SOr Gerlitz err = PTR_ERR(hp); 7445c65c564SOr Gerlitz goto create_hairpin_err; 7455c65c564SOr Gerlitz } 7465c65c564SOr Gerlitz 747eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 74827b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 74927b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 750eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 7515c65c564SOr Gerlitz 7525c65c564SOr Gerlitz hpe->hp = hp; 753106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 754106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 7555c65c564SOr Gerlitz 7565c65c564SOr Gerlitz attach_flow: 7573f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 758226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 7593f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 7603f6d08d1SOr Gerlitz } else { 7615c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 7623f6d08d1SOr Gerlitz } 7635c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 7643f6d08d1SOr Gerlitz 7655c65c564SOr Gerlitz return 0; 7665c65c564SOr Gerlitz 7675c65c564SOr Gerlitz create_hairpin_err: 7685c65c564SOr Gerlitz kfree(hpe); 7695c65c564SOr Gerlitz return err; 7705c65c564SOr Gerlitz } 7715c65c564SOr Gerlitz 7725c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 7735c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 7745c65c564SOr Gerlitz { 7755c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 7765c65c564SOr Gerlitz 7775a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 7785a7e5bcbSVlad Buslov if (list_empty(&flow->hairpin)) 7795a7e5bcbSVlad Buslov return; 7805a7e5bcbSVlad Buslov 7815c65c564SOr Gerlitz list_del(&flow->hairpin); 7825c65c564SOr Gerlitz 7835c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 7845c65c564SOr Gerlitz if (list_empty(next)) { 7855c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7865c65c564SOr Gerlitz 7875c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 7885c65c564SOr Gerlitz 7895c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 79027b942fbSParav Pandit dev_name(hpe->hp->pair->peer_mdev->device)); 7915c65c564SOr Gerlitz 7925c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 7935c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 7945c65c564SOr Gerlitz kfree(hpe); 7955c65c564SOr Gerlitz } 7965c65c564SOr Gerlitz } 7975c65c564SOr Gerlitz 798c83954abSRabie Loulou static int 79974491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 80017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 801e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 802e98bedf5SEli Britstein struct netlink_ext_ack *extack) 803e8f887acSAmir Vadai { 804bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 805aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 806aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 8075c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 80866958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 8093bc4b7bfSOr Gerlitz .action = attr->action, 81060786f09SMark Bloch .reformat_id = 0, 811bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 81266958ed9SHadar Hen Zion }; 813aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 8145c65c564SOr Gerlitz int err, dest_ix = 0; 815e8f887acSAmir Vadai 816bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 817bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 818bb0ee7dcSJianbo Liu 819226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 820e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 8215a7e5bcbSVlad Buslov if (err) 8225a7e5bcbSVlad Buslov return err; 8235a7e5bcbSVlad Buslov 824226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 8253f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 8263f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 8273f6d08d1SOr Gerlitz } else { 8285c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 8295c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 8303f6d08d1SOr Gerlitz } 8313f6d08d1SOr Gerlitz dest_ix++; 8323f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 8335c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 8345c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 8355c65c564SOr Gerlitz dest_ix++; 8365c65c564SOr Gerlitz } 837aad7e08dSAmir Vadai 8385c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 8395c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 8405a7e5bcbSVlad Buslov if (IS_ERR(counter)) 8415a7e5bcbSVlad Buslov return PTR_ERR(counter); 8425a7e5bcbSVlad Buslov 8435c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 844171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 8455c65c564SOr Gerlitz dest_ix++; 846b8aee822SMark Bloch attr->counter = counter; 847aad7e08dSAmir Vadai } 848aad7e08dSAmir Vadai 8492f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 8503099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 851d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 8522f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 853c83954abSRabie Loulou if (err) 8545a7e5bcbSVlad Buslov return err; 8552f4fe4caSOr Gerlitz } 8562f4fe4caSOr Gerlitz 857b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 858acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 85921b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 86021b9c144SOr Gerlitz u32 max_flow_counter; 86121b9c144SOr Gerlitz 86221b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 86321b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 86421b9c144SOr Gerlitz 86521b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 86621b9c144SOr Gerlitz 86721b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 86821b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 86921b9c144SOr Gerlitz 870acff797cSMaor Gottlieb priv->fs.tc.t = 871acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 872acff797cSMaor Gottlieb MLX5E_TC_PRIO, 87321b9c144SOr Gerlitz tc_tbl_size, 874acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 8753f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 876acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 877b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 878e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 879e98bedf5SEli Britstein "Failed to create tc offload table\n"); 880e8f887acSAmir Vadai netdev_err(priv->netdev, 881e8f887acSAmir Vadai "Failed to create tc offload table\n"); 8825a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 883e8f887acSAmir Vadai } 884e8f887acSAmir Vadai } 885e8f887acSAmir Vadai 88638aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 887d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 88838aa51c1SOr Gerlitz 889c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 8905c65c564SOr Gerlitz &flow_act, dest, dest_ix); 891b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 892e8f887acSAmir Vadai 8935a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 8945a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 895aad7e08dSAmir Vadai 896c83954abSRabie Loulou return 0; 897e8f887acSAmir Vadai } 898e8f887acSAmir Vadai 899d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 900d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 901d85cdccbSOr Gerlitz { 902513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 903d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 904d85cdccbSOr Gerlitz 905b8aee822SMark Bloch counter = attr->counter; 9065a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 907e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 908d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 909d85cdccbSOr Gerlitz 910b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 911226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 912d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 913d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 914d85cdccbSOr Gerlitz } 915b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 9162f4fe4caSOr Gerlitz 917513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9183099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 9195c65c564SOr Gerlitz 920226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 9215c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 922d85cdccbSOr Gerlitz } 923d85cdccbSOr Gerlitz 924aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 9258c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 926aa0cbbaeSOr Gerlitz 9273c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 928e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 929733d4f36SRoi Dayan struct net_device *mirred_dev, 930733d4f36SRoi Dayan int out_index, 9318c4dc42bSEli Britstein struct netlink_ext_ack *extack, 9320ad060eeSRoi Dayan struct net_device **encap_dev, 9330ad060eeSRoi Dayan bool *encap_valid); 9343c37745eSOr Gerlitz 9356d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 9366d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 9376d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 9386d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 9396d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 9406d2a3ed0SOr Gerlitz { 9416d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 9426d2a3ed0SOr Gerlitz 9436d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 9446d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 9456d2a3ed0SOr Gerlitz return rule; 9466d2a3ed0SOr Gerlitz 947e85e02baSEli Britstein if (attr->split_count) { 9486d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 9496d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 9506d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 9516d2a3ed0SOr Gerlitz return flow->rule[1]; 9526d2a3ed0SOr Gerlitz } 9536d2a3ed0SOr Gerlitz } 9546d2a3ed0SOr Gerlitz 9556d2a3ed0SOr Gerlitz return rule; 9566d2a3ed0SOr Gerlitz } 9576d2a3ed0SOr Gerlitz 9586d2a3ed0SOr Gerlitz static void 9596d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 9606d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 9616d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 9626d2a3ed0SOr Gerlitz { 963226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 9646d2a3ed0SOr Gerlitz 965e85e02baSEli Britstein if (attr->split_count) 9666d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 9676d2a3ed0SOr Gerlitz 9686d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 9696d2a3ed0SOr Gerlitz } 9706d2a3ed0SOr Gerlitz 9715dbe906fSPaul Blakey static struct mlx5_flow_handle * 9725dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 9735dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9745dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 9755dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9765dbe906fSPaul Blakey { 9775dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 9785dbe906fSPaul Blakey 9795dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 980154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9812be09de7SDavid S. Miller slow_attr->split_count = 0; 982154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9835dbe906fSPaul Blakey 9845dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 9855dbe906fSPaul Blakey if (!IS_ERR(rule)) 986226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 9875dbe906fSPaul Blakey 9885dbe906fSPaul Blakey return rule; 9895dbe906fSPaul Blakey } 9905dbe906fSPaul Blakey 9915dbe906fSPaul Blakey static void 9925dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 9935dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9945dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9955dbe906fSPaul Blakey { 9965dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 997154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9982be09de7SDavid S. Miller slow_attr->split_count = 0; 999154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 10005dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1001226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 10025dbe906fSPaul Blakey } 10035dbe906fSPaul Blakey 1004ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1005ad86755bSVlad Buslov * function. 1006ad86755bSVlad Buslov */ 1007ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1008ad86755bSVlad Buslov struct list_head *unready_flows) 1009ad86755bSVlad Buslov { 1010ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1011ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1012ad86755bSVlad Buslov } 1013ad86755bSVlad Buslov 1014ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1015ad86755bSVlad Buslov * function. 1016ad86755bSVlad Buslov */ 1017ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1018ad86755bSVlad Buslov { 1019ad86755bSVlad Buslov list_del(&flow->unready); 1020ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1021ad86755bSVlad Buslov } 1022ad86755bSVlad Buslov 1023b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1024b4a23329SRoi Dayan { 1025b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1026b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1027b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1028b4a23329SRoi Dayan 1029b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1030b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1031b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1032b4a23329SRoi Dayan 1033ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1034ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1035ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1036b4a23329SRoi Dayan } 1037b4a23329SRoi Dayan 1038b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1039b4a23329SRoi Dayan { 1040ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1041ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1042ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1043ad86755bSVlad Buslov 1044ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1045ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1046ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1047ad86755bSVlad Buslov 1048ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1049ad86755bSVlad Buslov unready_flow_del(flow); 1050ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1051b4a23329SRoi Dayan } 1052b4a23329SRoi Dayan 1053c83954abSRabie Loulou static int 105474491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1055e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1056e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1057adb4c123SOr Gerlitz { 1058adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1059bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 1060aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10617040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 1062bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 10633c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1064b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 10653c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 10663c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 10670ad060eeSRoi Dayan bool encap_valid = true; 10680ad060eeSRoi Dayan int err = 0; 1069f493f155SEli Britstein int out_index; 10708b32580dSOr Gerlitz 1071d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 1072d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 1073d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1074d14f6f2aSOr Gerlitz } 1075e52c2802SPaul Blakey 1076bf07aa73SPaul Blakey if (attr->chain > max_chain) { 1077bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 10785a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1079bf07aa73SPaul Blakey } 1080bf07aa73SPaul Blakey 1081bf07aa73SPaul Blakey if (attr->prio > max_prio) { 1082bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 10835a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1084bf07aa73SPaul Blakey } 1085bf07aa73SPaul Blakey 1086f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 10878c4dc42bSEli Britstein int mirred_ifindex; 10888c4dc42bSEli Britstein 1089f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1090f493f155SEli Britstein continue; 1091f493f155SEli Britstein 10927040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 10933c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 10948c4dc42bSEli Britstein mirred_ifindex); 1095733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 10960ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 10970ad060eeSRoi Dayan if (err) 10985a7e5bcbSVlad Buslov return err; 10990ad060eeSRoi Dayan 11003c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 11013c37745eSOr Gerlitz rpriv = out_priv->ppriv; 11021cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 11031cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 11043c37745eSOr Gerlitz } 11053c37745eSOr Gerlitz 11068b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1107c83954abSRabie Loulou if (err) 11085a7e5bcbSVlad Buslov return err; 1109adb4c123SOr Gerlitz 1110d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 11111a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1112d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1113c83954abSRabie Loulou if (err) 11145a7e5bcbSVlad Buslov return err; 1115d7e75a32SOr Gerlitz } 1116d7e75a32SOr Gerlitz 1117b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1118f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 11195a7e5bcbSVlad Buslov if (IS_ERR(counter)) 11205a7e5bcbSVlad Buslov return PTR_ERR(counter); 1121b8aee822SMark Bloch 1122b8aee822SMark Bloch attr->counter = counter; 1123b8aee822SMark Bloch } 1124b8aee822SMark Bloch 11250ad060eeSRoi Dayan /* we get here if one of the following takes place: 11260ad060eeSRoi Dayan * (1) there's no error 11270ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 11283c37745eSOr Gerlitz */ 11290ad060eeSRoi Dayan if (!encap_valid) { 11305dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 11315dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 11325dbe906fSPaul Blakey 11335dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 11345dbe906fSPaul Blakey } else { 11356d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 11365dbe906fSPaul Blakey } 11375dbe906fSPaul Blakey 11385a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 11395a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1140226f2ca3SVlad Buslov else 1141226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1142c83954abSRabie Loulou 11435dbe906fSPaul Blakey return 0; 1144aa0cbbaeSOr Gerlitz } 1145d85cdccbSOr Gerlitz 11469272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 11479272e3dfSYevgeny Kliteynik { 11489272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 11499272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 11509272e3dfSYevgeny Kliteynik spec->match_value, 11519272e3dfSYevgeny Kliteynik misc_parameters_3); 11529272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 11539272e3dfSYevgeny Kliteynik headers_v, 11549272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 11559272e3dfSYevgeny Kliteynik 11569272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 11579272e3dfSYevgeny Kliteynik } 11589272e3dfSYevgeny Kliteynik 1159d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1160d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1161d85cdccbSOr Gerlitz { 1162d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1163d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 11645dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1165f493f155SEli Britstein int out_index; 1166d85cdccbSOr Gerlitz 1167226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1168b4a23329SRoi Dayan remove_unready_flow(flow); 1169ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1170ef06c9eeSRoi Dayan return; 1171ef06c9eeSRoi Dayan } 1172ef06c9eeSRoi Dayan 1173226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1174226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 11755dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 11765dbe906fSPaul Blakey else 11775dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 11785dbe906fSPaul Blakey } 1179d85cdccbSOr Gerlitz 11809272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 11819272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 11829272e3dfSYevgeny Kliteynik 1183513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1184d85cdccbSOr Gerlitz 1185f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 11868c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 11878c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1188f493f155SEli Britstein kvfree(attr->parse_attr); 1189d7e75a32SOr Gerlitz 1190513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11911a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1192b8aee822SMark Bloch 1193b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1194f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1195d85cdccbSOr Gerlitz } 1196d85cdccbSOr Gerlitz 1197232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1198232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1199232c0013SHadar Hen Zion { 12003c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 12015dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 12025a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 12036d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 12046d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1205232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1206232c0013SHadar Hen Zion int err; 1207232c0013SHadar Hen Zion 120854c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 120954c177caSOz Shlomo e->reformat_type, 1210232c0013SHadar Hen Zion e->encap_size, e->encap_header, 121131ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1212232c0013SHadar Hen Zion &e->encap_id); 1213232c0013SHadar Hen Zion if (err) { 1214232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1215232c0013SHadar Hen Zion err); 1216232c0013SHadar Hen Zion return; 1217232c0013SHadar Hen Zion } 1218232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1219f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1220232c0013SHadar Hen Zion 12215a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 12228c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 12238c4dc42bSEli Britstein int i; 12248c4dc42bSEli Britstein 122579baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 12265a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 12275a7e5bcbSVlad Buslov continue; 12285a7e5bcbSVlad Buslov 12293c37745eSOr Gerlitz esw_attr = flow->esw_attr; 12306d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 12316d2a3ed0SOr Gerlitz 12328c4dc42bSEli Britstein esw_attr->dests[efi->index].encap_id = e->encap_id; 12338c4dc42bSEli Britstein esw_attr->dests[efi->index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 12348c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 12358c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 12368c4dc42bSEli Britstein * a valid neighbour. 12378c4dc42bSEli Britstein */ 12388c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 12398c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 12408c4dc42bSEli Britstein continue; 12418c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 12428c4dc42bSEli Britstein all_flow_encaps_valid = false; 12438c4dc42bSEli Britstein break; 12448c4dc42bSEli Britstein } 12458c4dc42bSEli Britstein } 12468c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 12478c4dc42bSEli Britstein if (!all_flow_encaps_valid) 12485a7e5bcbSVlad Buslov goto loop_cont; 12495dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 12506d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 12516d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 12526d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1253232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1254232c0013SHadar Hen Zion err); 12555a7e5bcbSVlad Buslov goto loop_cont; 1256232c0013SHadar Hen Zion } 12575dbe906fSPaul Blakey 12585dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 12596d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1260226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1261226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 12625a7e5bcbSVlad Buslov 12635a7e5bcbSVlad Buslov loop_cont: 12645a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 1265232c0013SHadar Hen Zion } 1266232c0013SHadar Hen Zion } 1267232c0013SHadar Hen Zion 1268232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1269232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1270232c0013SHadar Hen Zion { 12713c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 12725dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 12735a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 12745dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12755dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1276232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 12775dbe906fSPaul Blakey int err; 1278232c0013SHadar Hen Zion 12795a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 128079baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 12815a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 12825a7e5bcbSVlad Buslov continue; 12835a7e5bcbSVlad Buslov 12845dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 12855dbe906fSPaul Blakey 12865dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 12875dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 12888c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 12898c4dc42bSEli Britstein flow->esw_attr->dests[efi->index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 12905dbe906fSPaul Blakey 12915dbe906fSPaul Blakey if (IS_ERR(rule)) { 12925dbe906fSPaul Blakey err = PTR_ERR(rule); 12935dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 12945dbe906fSPaul Blakey err); 12955a7e5bcbSVlad Buslov goto loop_cont; 12965dbe906fSPaul Blakey } 12975dbe906fSPaul Blakey 12986d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 12995dbe906fSPaul Blakey flow->rule[0] = rule; 1300226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1301226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 13025a7e5bcbSVlad Buslov 13035a7e5bcbSVlad Buslov loop_cont: 13045a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 1305232c0013SHadar Hen Zion } 1306232c0013SHadar Hen Zion 130761c806daSOr Gerlitz /* we know that the encap is valid */ 1308232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 130960786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1310232c0013SHadar Hen Zion } 1311232c0013SHadar Hen Zion 1312b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1313b8aee822SMark Bloch { 1314226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1315b8aee822SMark Bloch return flow->esw_attr->counter; 1316b8aee822SMark Bloch else 1317b8aee822SMark Bloch return flow->nic_attr->counter; 1318b8aee822SMark Bloch } 1319b8aee822SMark Bloch 1320f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1321f6dfb4c3SHadar Hen Zion { 1322f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1323f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1324f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1325f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1326f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1327f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1328f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1329f6dfb4c3SHadar Hen Zion struct neighbour *n; 1330f6dfb4c3SHadar Hen Zion 1331f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1332f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1333f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1334f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1335423c9db2SOr Gerlitz tbl = &nd_tbl; 1336f6dfb4c3SHadar Hen Zion #endif 1337f6dfb4c3SHadar Hen Zion else 1338f6dfb4c3SHadar Hen Zion return; 1339f6dfb4c3SHadar Hen Zion 1340f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 13415a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 1342f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1343f6dfb4c3SHadar Hen Zion continue; 13445a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 134579baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 134679baaec7SEli Britstein encaps[efi->index]); 13475a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 13485a7e5bcbSVlad Buslov continue; 13495a7e5bcbSVlad Buslov 1350226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1351b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 1352f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1353f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 13545a7e5bcbSVlad Buslov mlx5e_flow_put(netdev_priv(e->out_dev), flow); 1355f6dfb4c3SHadar Hen Zion neigh_used = true; 1356f6dfb4c3SHadar Hen Zion break; 1357f6dfb4c3SHadar Hen Zion } 1358f6dfb4c3SHadar Hen Zion } 13595a7e5bcbSVlad Buslov 13605a7e5bcbSVlad Buslov mlx5e_flow_put(netdev_priv(e->out_dev), flow); 1361f6dfb4c3SHadar Hen Zion } 1362e36d4810SRoi Dayan if (neigh_used) 1363e36d4810SRoi Dayan break; 1364f6dfb4c3SHadar Hen Zion } 1365f6dfb4c3SHadar Hen Zion 1366f6dfb4c3SHadar Hen Zion if (neigh_used) { 1367f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1368f6dfb4c3SHadar Hen Zion 1369f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1370f6dfb4c3SHadar Hen Zion * dst ip pair 1371f6dfb4c3SHadar Hen Zion */ 1372f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1373c7f7ba8dSRoi Dayan if (!n) 1374f6dfb4c3SHadar Hen Zion return; 1375f6dfb4c3SHadar Hen Zion 1376f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1377f6dfb4c3SHadar Hen Zion neigh_release(n); 1378f6dfb4c3SHadar Hen Zion } 1379f6dfb4c3SHadar Hen Zion } 1380f6dfb4c3SHadar Hen Zion 1381d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 13828c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index) 1383d85cdccbSOr Gerlitz { 13848c4dc42bSEli Britstein struct list_head *next = flow->encaps[out_index].list.next; 13855067b602SRoi Dayan 13865a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 13875a7e5bcbSVlad Buslov if (list_empty(&flow->encaps[out_index].list)) 13885a7e5bcbSVlad Buslov return; 13895a7e5bcbSVlad Buslov 13908c4dc42bSEli Britstein list_del(&flow->encaps[out_index].list); 13915067b602SRoi Dayan if (list_empty(next)) { 1392c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 13935067b602SRoi Dayan 1394c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1395232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1396232c0013SHadar Hen Zion 1397232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 139860786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1399232c0013SHadar Hen Zion 1400cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1401232c0013SHadar Hen Zion kfree(e->encap_header); 14025067b602SRoi Dayan kfree(e); 14035067b602SRoi Dayan } 14045067b602SRoi Dayan } 14055067b602SRoi Dayan 140604de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 140704de7ddaSRoi Dayan { 140804de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 140904de7ddaSRoi Dayan 1410226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1411226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 141204de7ddaSRoi Dayan return; 141304de7ddaSRoi Dayan 141404de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 141504de7ddaSRoi Dayan list_del(&flow->peer); 141604de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 141704de7ddaSRoi Dayan 1418226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 141904de7ddaSRoi Dayan 142004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 142104de7ddaSRoi Dayan kvfree(flow->peer_flow); 142204de7ddaSRoi Dayan flow->peer_flow = NULL; 142304de7ddaSRoi Dayan } 142404de7ddaSRoi Dayan 142504de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 142604de7ddaSRoi Dayan { 142704de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 142804de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 142904de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 143004de7ddaSRoi Dayan 143104de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 143204de7ddaSRoi Dayan if (!peer_esw) 143304de7ddaSRoi Dayan return; 143404de7ddaSRoi Dayan 143504de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 143604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 143704de7ddaSRoi Dayan } 143804de7ddaSRoi Dayan 1439e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1440961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1441e8f887acSAmir Vadai { 1442226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 144304de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1444d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 144504de7ddaSRoi Dayan } else { 1446d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1447e8f887acSAmir Vadai } 144804de7ddaSRoi Dayan } 1449e8f887acSAmir Vadai 1450bbd00f7eSHadar Hen Zion 1451bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1452bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1453f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 14546363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1455bbd00f7eSHadar Hen Zion { 1456e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1457bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1458bbd00f7eSHadar Hen Zion outer_headers); 1459bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1460bbd00f7eSHadar Hen Zion outer_headers); 1461f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 14628f256622SPablo Neira Ayuso int err; 1463bbd00f7eSHadar Hen Zion 1464101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 14656363651dSOr Gerlitz headers_c, headers_v, match_level); 146654c177caSOz Shlomo if (err) { 146754c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 146854c177caSOz Shlomo "failed to parse tunnel attributes"); 1469101f4de9SOz Shlomo return err; 1470bbd00f7eSHadar Hen Zion } 1471bbd00f7eSHadar Hen Zion 1472d1bda7eeSTonghao Zhang if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) { 14738f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 14748f256622SPablo Neira Ayuso 14758f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1476bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1477bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 14788f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1479bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1480bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 14818f256622SPablo Neira Ayuso ntohl(match.key->src)); 1482bbd00f7eSHadar Hen Zion 1483bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1484bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 14858f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1486bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1487bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 14888f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1489bbd00f7eSHadar Hen Zion 1490bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1491bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 1492d1bda7eeSTonghao Zhang } else if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS)) { 14938f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 149419f44401SOr Gerlitz 14958f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 149619f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 149719f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 14988f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 149919f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 150019f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 15018f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 150219f44401SOr Gerlitz 150319f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 150419f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 15058f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 150619f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 150719f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 15088f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 150919f44401SOr Gerlitz 151019f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 151119f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 15122e72eb43SOr Gerlitz } 1513bbd00f7eSHadar Hen Zion 15148f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 15158f256622SPablo Neira Ayuso struct flow_match_ip match; 1516bcef735cSOr Gerlitz 15178f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 15188f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 15198f256622SPablo Neira Ayuso match.mask->tos & 0x3); 15208f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 15218f256622SPablo Neira Ayuso match.key->tos & 0x3); 1522bcef735cSOr Gerlitz 15238f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 15248f256622SPablo Neira Ayuso match.mask->tos >> 2); 15258f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 15268f256622SPablo Neira Ayuso match.key->tos >> 2); 1527bcef735cSOr Gerlitz 15288f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 15298f256622SPablo Neira Ayuso match.mask->ttl); 15308f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 15318f256622SPablo Neira Ayuso match.key->ttl); 1532e98bedf5SEli Britstein 15338f256622SPablo Neira Ayuso if (match.mask->ttl && 1534e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1535e98bedf5SEli Britstein (priv->mdev, 1536e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1537e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1538e98bedf5SEli Britstein "Matching on TTL is not supported"); 1539e98bedf5SEli Britstein return -EOPNOTSUPP; 1540e98bedf5SEli Britstein } 1541e98bedf5SEli Britstein 1542bcef735cSOr Gerlitz } 1543bcef735cSOr Gerlitz 1544bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1545bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1546bbd00f7eSHadar Hen Zion */ 1547bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1548bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1549bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1550bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1551bbd00f7eSHadar Hen Zion 1552bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1553bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1554bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1555bbd00f7eSHadar Hen Zion 1556bbd00f7eSHadar Hen Zion return 0; 1557bbd00f7eSHadar Hen Zion } 1558bbd00f7eSHadar Hen Zion 15598377629eSEli Britstein static void *get_match_headers_criteria(u32 flags, 15608377629eSEli Britstein struct mlx5_flow_spec *spec) 15618377629eSEli Britstein { 15628377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 15638377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 15648377629eSEli Britstein inner_headers) : 15658377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 15668377629eSEli Britstein outer_headers); 15678377629eSEli Britstein } 15688377629eSEli Britstein 15698377629eSEli Britstein static void *get_match_headers_value(u32 flags, 15708377629eSEli Britstein struct mlx5_flow_spec *spec) 15718377629eSEli Britstein { 15728377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 15738377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 15748377629eSEli Britstein inner_headers) : 15758377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 15768377629eSEli Britstein outer_headers); 15778377629eSEli Britstein } 15788377629eSEli Britstein 1579de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1580de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1581f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 158254c177caSOz Shlomo struct net_device *filter_dev, 15836363651dSOr Gerlitz u8 *match_level, u8 *tunnel_match_level) 1584e3a2b7edSAmir Vadai { 1585e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1586c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1587c5bb1730SMaor Gottlieb outer_headers); 1588c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1589c5bb1730SMaor Gottlieb outer_headers); 1590699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1591699e96ddSJianbo Liu misc_parameters); 1592699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1593699e96ddSJianbo Liu misc_parameters); 1594f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 15958f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1596e3a2b7edSAmir Vadai u16 addr_type = 0; 1597e3a2b7edSAmir Vadai u8 ip_proto = 0; 1598e3a2b7edSAmir Vadai 1599d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1600de0af0bfSRoi Dayan 16018f256622SPablo Neira Ayuso if (dissector->used_keys & 16023d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 16033d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1604e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1605e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1606095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1607699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1608e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1609e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1610bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1611bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1612bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1613bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1614bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1615e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1616fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1617bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 16189272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 16199272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) { 1620e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1621e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 16228f256622SPablo Neira Ayuso dissector->used_keys); 1623e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1624e3a2b7edSAmir Vadai } 1625e3a2b7edSAmir Vadai 1626075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 16276363651dSOr Gerlitz if (parse_tunnel_attr(priv, spec, f, filter_dev, tunnel_match_level)) 1628bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1629bbd00f7eSHadar Hen Zion 1630bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1631bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1632bbd00f7eSHadar Hen Zion */ 16338377629eSEli Britstein headers_c = get_match_headers_criteria(MLX5_FLOW_CONTEXT_ACTION_DECAP, 16348377629eSEli Britstein spec); 16358377629eSEli Britstein headers_v = get_match_headers_value(MLX5_FLOW_CONTEXT_ACTION_DECAP, 16368377629eSEli Britstein spec); 1637bbd00f7eSHadar Hen Zion } 1638bbd00f7eSHadar Hen Zion 16398f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 16408f256622SPablo Neira Ayuso struct flow_match_basic match; 1641e3a2b7edSAmir Vadai 16428f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 16438f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 16448f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 16458f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 16468f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 16478f256622SPablo Neira Ayuso 16488f256622SPablo Neira Ayuso if (match.mask->n_proto) 1649d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1650e3a2b7edSAmir Vadai } 165135a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 165235a605dbSEli Britstein is_vlan_dev(filter_dev)) { 165335a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 165435a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 16558f256622SPablo Neira Ayuso struct flow_match_vlan match; 16568f256622SPablo Neira Ayuso 165735a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 165835a605dbSEli Britstein match.key = &filter_dev_key; 165935a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 166035a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 166135a605dbSEli Britstein match.key->vlan_priority = 0; 166235a605dbSEli Britstein match.mask = &filter_dev_mask; 166335a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 166435a605dbSEli Britstein match.mask->vlan_priority = 0; 166535a605dbSEli Britstein } else { 16668f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 166735a605dbSEli Britstein } 16688f256622SPablo Neira Ayuso if (match.mask->vlan_id || 16698f256622SPablo Neira Ayuso match.mask->vlan_priority || 16708f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 16718f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1672699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1673699e96ddSJianbo Liu svlan_tag, 1); 1674699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1675699e96ddSJianbo Liu svlan_tag, 1); 1676699e96ddSJianbo Liu } else { 1677699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1678699e96ddSJianbo Liu cvlan_tag, 1); 1679699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1680699e96ddSJianbo Liu cvlan_tag, 1); 1681699e96ddSJianbo Liu } 1682095b6cfdSOr Gerlitz 16838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 16848f256622SPablo Neira Ayuso match.mask->vlan_id); 16858f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 16868f256622SPablo Neira Ayuso match.key->vlan_id); 1687358d79a4SOr Gerlitz 16888f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 16898f256622SPablo Neira Ayuso match.mask->vlan_priority); 16908f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 16918f256622SPablo Neira Ayuso match.key->vlan_priority); 169254782900SOr Gerlitz 1693d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1694095b6cfdSOr Gerlitz } 1695d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1696cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1697cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1698d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1699095b6cfdSOr Gerlitz } 1700095b6cfdSOr Gerlitz 17018f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 17028f256622SPablo Neira Ayuso struct flow_match_vlan match; 17038f256622SPablo Neira Ayuso 170412d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 17058f256622SPablo Neira Ayuso if (match.mask->vlan_id || 17068f256622SPablo Neira Ayuso match.mask->vlan_priority || 17078f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 17088f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1709699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1710699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1711699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1712699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1713699e96ddSJianbo Liu } else { 1714699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1715699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1716699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1717699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1718699e96ddSJianbo Liu } 1719699e96ddSJianbo Liu 1720699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 17218f256622SPablo Neira Ayuso match.mask->vlan_id); 1722699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 17238f256622SPablo Neira Ayuso match.key->vlan_id); 1724699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 17258f256622SPablo Neira Ayuso match.mask->vlan_priority); 1726699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 17278f256622SPablo Neira Ayuso match.key->vlan_priority); 1728699e96ddSJianbo Liu 1729699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1730699e96ddSJianbo Liu } 1731699e96ddSJianbo Liu } 1732699e96ddSJianbo Liu 17338f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 17348f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 173554782900SOr Gerlitz 17368f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1737d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1738d3a80bb5SOr Gerlitz dmac_47_16), 17398f256622SPablo Neira Ayuso match.mask->dst); 1740d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1741d3a80bb5SOr Gerlitz dmac_47_16), 17428f256622SPablo Neira Ayuso match.key->dst); 1743d3a80bb5SOr Gerlitz 1744d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1745d3a80bb5SOr Gerlitz smac_47_16), 17468f256622SPablo Neira Ayuso match.mask->src); 1747d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1748d3a80bb5SOr Gerlitz smac_47_16), 17498f256622SPablo Neira Ayuso match.key->src); 1750d3a80bb5SOr Gerlitz 17518f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 17528f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1753d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 175454782900SOr Gerlitz } 175554782900SOr Gerlitz 17568f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 17578f256622SPablo Neira Ayuso struct flow_match_control match; 175854782900SOr Gerlitz 17598f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 17608f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 176154782900SOr Gerlitz 176254782900SOr Gerlitz /* the HW doesn't support frag first/later */ 17638f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 176454782900SOr Gerlitz return -EOPNOTSUPP; 176554782900SOr Gerlitz 17668f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 176754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 176854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 17698f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 177054782900SOr Gerlitz 177154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 17728f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 177383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 177454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 177554782900SOr Gerlitz else 177683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 177754782900SOr Gerlitz } 177854782900SOr Gerlitz } 177954782900SOr Gerlitz 17808f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 17818f256622SPablo Neira Ayuso struct flow_match_basic match; 17828f256622SPablo Neira Ayuso 17838f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 17848f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 178554782900SOr Gerlitz 178654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 17878f256622SPablo Neira Ayuso match.mask->ip_proto); 178854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 17898f256622SPablo Neira Ayuso match.key->ip_proto); 179054782900SOr Gerlitz 17918f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1792d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 179354782900SOr Gerlitz } 179454782900SOr Gerlitz 1795e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 17968f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1797e3a2b7edSAmir Vadai 17988f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1799e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1800e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 18018f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1802e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1803e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 18048f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1805e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1806e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 18078f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1808e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1809e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 18108f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1811de0af0bfSRoi Dayan 18128f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1813d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1814e3a2b7edSAmir Vadai } 1815e3a2b7edSAmir Vadai 1816e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 18178f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1818e3a2b7edSAmir Vadai 18198f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1820e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1821e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 18228f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1823e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1824e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 18258f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1826e3a2b7edSAmir Vadai 1827e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1828e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 18298f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1830e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1831e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 18328f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1833de0af0bfSRoi Dayan 18348f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 18358f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 1836d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1837e3a2b7edSAmir Vadai } 1838e3a2b7edSAmir Vadai 18398f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 18408f256622SPablo Neira Ayuso struct flow_match_ip match; 18411f97a526SOr Gerlitz 18428f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 18438f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 18448f256622SPablo Neira Ayuso match.mask->tos & 0x3); 18458f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 18468f256622SPablo Neira Ayuso match.key->tos & 0x3); 18471f97a526SOr Gerlitz 18488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 18498f256622SPablo Neira Ayuso match.mask->tos >> 2); 18508f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 18518f256622SPablo Neira Ayuso match.key->tos >> 2); 18521f97a526SOr Gerlitz 18538f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 18548f256622SPablo Neira Ayuso match.mask->ttl); 18558f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 18568f256622SPablo Neira Ayuso match.key->ttl); 18571f97a526SOr Gerlitz 18588f256622SPablo Neira Ayuso if (match.mask->ttl && 1859a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1860e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1861e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1862e98bedf5SEli Britstein "Matching on TTL is not supported"); 18631f97a526SOr Gerlitz return -EOPNOTSUPP; 1864e98bedf5SEli Britstein } 1865a8ade55fSOr Gerlitz 18668f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 1867d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 18681f97a526SOr Gerlitz } 18691f97a526SOr Gerlitz 187054782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 187154782900SOr Gerlitz 18728f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 18738f256622SPablo Neira Ayuso struct flow_match_ports match; 18748f256622SPablo Neira Ayuso 18758f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 1876e3a2b7edSAmir Vadai switch (ip_proto) { 1877e3a2b7edSAmir Vadai case IPPROTO_TCP: 1878e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 18798f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 1880e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 18818f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 1882e3a2b7edSAmir Vadai 1883e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 18848f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 1885e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 18868f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 1887e3a2b7edSAmir Vadai break; 1888e3a2b7edSAmir Vadai 1889e3a2b7edSAmir Vadai case IPPROTO_UDP: 1890e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 18918f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 1892e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 18938f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 1894e3a2b7edSAmir Vadai 1895e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 18968f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 1897e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 18988f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 1899e3a2b7edSAmir Vadai break; 1900e3a2b7edSAmir Vadai default: 1901e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1902e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1903e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1904e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1905e3a2b7edSAmir Vadai return -EINVAL; 1906e3a2b7edSAmir Vadai } 1907de0af0bfSRoi Dayan 19088f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1909d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1910e3a2b7edSAmir Vadai } 1911e3a2b7edSAmir Vadai 19128f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 19138f256622SPablo Neira Ayuso struct flow_match_tcp match; 1914e77834ecSOr Gerlitz 19158f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 1916e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 19178f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 1918e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 19198f256622SPablo Neira Ayuso ntohs(match.key->flags)); 1920e77834ecSOr Gerlitz 19218f256622SPablo Neira Ayuso if (match.mask->flags) 1922d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1923e77834ecSOr Gerlitz } 1924e77834ecSOr Gerlitz 1925e3a2b7edSAmir Vadai return 0; 1926e3a2b7edSAmir Vadai } 1927e3a2b7edSAmir Vadai 1928de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 192965ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1930de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1931f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 193254c177caSOz Shlomo struct net_device *filter_dev) 1933de0af0bfSRoi Dayan { 1934e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1935de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1936de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 19371d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 19386363651dSOr Gerlitz u8 match_level, tunnel_match_level = MLX5_MATCH_NONE; 19391d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1940226f2ca3SVlad Buslov bool is_eswitch_flow; 1941de0af0bfSRoi Dayan int err; 1942de0af0bfSRoi Dayan 19436363651dSOr Gerlitz err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level, &tunnel_match_level); 1944de0af0bfSRoi Dayan 1945226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 1946226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 19471d447a39SSaeed Mahameed rep = rpriv->rep; 1948b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 19491d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1950d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1951e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1952e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1953de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1954de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1955d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1956de0af0bfSRoi Dayan return -EOPNOTSUPP; 1957de0af0bfSRoi Dayan } 1958de0af0bfSRoi Dayan } 1959de0af0bfSRoi Dayan 1960226f2ca3SVlad Buslov if (is_eswitch_flow) { 196138aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 19626363651dSOr Gerlitz flow->esw_attr->tunnel_match_level = tunnel_match_level; 19636363651dSOr Gerlitz } else { 196438aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 19656363651dSOr Gerlitz } 196638aa51c1SOr Gerlitz 1967de0af0bfSRoi Dayan return err; 1968de0af0bfSRoi Dayan } 1969de0af0bfSRoi Dayan 1970d79b6df6SOr Gerlitz struct pedit_headers { 1971d79b6df6SOr Gerlitz struct ethhdr eth; 19720eb69bb9SEli Britstein struct vlan_hdr vlan; 1973d79b6df6SOr Gerlitz struct iphdr ip4; 1974d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1975d79b6df6SOr Gerlitz struct tcphdr tcp; 1976d79b6df6SOr Gerlitz struct udphdr udp; 1977d79b6df6SOr Gerlitz }; 1978d79b6df6SOr Gerlitz 1979c500c86bSPablo Neira Ayuso struct pedit_headers_action { 1980c500c86bSPablo Neira Ayuso struct pedit_headers vals; 1981c500c86bSPablo Neira Ayuso struct pedit_headers masks; 1982c500c86bSPablo Neira Ayuso u32 pedits; 1983c500c86bSPablo Neira Ayuso }; 1984c500c86bSPablo Neira Ayuso 1985d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 198673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 198773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 198873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 198973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 199073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1991d79b6df6SOr Gerlitz }; 1992d79b6df6SOr Gerlitz 1993d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1994d79b6df6SOr Gerlitz 1995d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1996c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 1997d79b6df6SOr Gerlitz { 1998d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1999d79b6df6SOr Gerlitz 2000c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2001c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2002d79b6df6SOr Gerlitz 2003d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2004d79b6df6SOr Gerlitz goto out_err; 2005d79b6df6SOr Gerlitz 2006d79b6df6SOr Gerlitz *curr_pmask |= mask; 2007d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2008d79b6df6SOr Gerlitz 2009d79b6df6SOr Gerlitz return 0; 2010d79b6df6SOr Gerlitz 2011d79b6df6SOr Gerlitz out_err: 2012d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2013d79b6df6SOr Gerlitz } 2014d79b6df6SOr Gerlitz 2015d79b6df6SOr Gerlitz struct mlx5_fields { 2016d79b6df6SOr Gerlitz u8 field; 2017d79b6df6SOr Gerlitz u8 size; 2018d79b6df6SOr Gerlitz u32 offset; 201927c11b6bSEli Britstein u32 match_offset; 2020d79b6df6SOr Gerlitz }; 2021d79b6df6SOr Gerlitz 202227c11b6bSEli Britstein #define OFFLOAD(fw_field, size, field, off, match_field) \ 202327c11b6bSEli Britstein {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, \ 202427c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 202527c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 202627c11b6bSEli Britstein 20272ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 20282ef86872SEli Britstein * match. 20292ef86872SEli Britstein */ 20302ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 20312ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 20322ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 20332ef86872SEli Britstein type maskx = *(type *)(maskp); \ 20342ef86872SEli Britstein type valx = *(type *)(valp); \ 20352ef86872SEli Britstein \ 20362ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 20372ef86872SEli Britstein matchmaskx)); \ 20382ef86872SEli Britstein }) 20392ef86872SEli Britstein 204027c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 204127c11b6bSEli Britstein void *matchmaskp, int size) 204227c11b6bSEli Britstein { 204327c11b6bSEli Britstein bool same = false; 204427c11b6bSEli Britstein 204527c11b6bSEli Britstein switch (size) { 204627c11b6bSEli Britstein case sizeof(u8): 20472ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 204827c11b6bSEli Britstein break; 204927c11b6bSEli Britstein case sizeof(u16): 20502ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 205127c11b6bSEli Britstein break; 205227c11b6bSEli Britstein case sizeof(u32): 20532ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 205427c11b6bSEli Britstein break; 205527c11b6bSEli Britstein } 205627c11b6bSEli Britstein 205727c11b6bSEli Britstein return same; 205827c11b6bSEli Britstein } 2059a8e4f0c4SOr Gerlitz 2060d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 206127c11b6bSEli Britstein OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0, dmac_47_16), 206227c11b6bSEli Britstein OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0, dmac_15_0), 206327c11b6bSEli Britstein OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0, smac_47_16), 206427c11b6bSEli Britstein OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0, smac_15_0), 206527c11b6bSEli Britstein OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0, ethertype), 206627c11b6bSEli Britstein OFFLOAD(FIRST_VID, 2, vlan.h_vlan_TCI, 0, first_vid), 2067d79b6df6SOr Gerlitz 206827c11b6bSEli Britstein OFFLOAD(IP_TTL, 1, ip4.ttl, 0, ttl_hoplimit), 206927c11b6bSEli Britstein OFFLOAD(SIPV4, 4, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 207027c11b6bSEli Britstein OFFLOAD(DIPV4, 4, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2071d79b6df6SOr Gerlitz 207227c11b6bSEli Britstein OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0, 207327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 207427c11b6bSEli Britstein OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0, 207527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 207627c11b6bSEli Britstein OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0, 207727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 207827c11b6bSEli Britstein OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0, 207927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 208027c11b6bSEli Britstein OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0, 208127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 208227c11b6bSEli Britstein OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0, 208327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 208427c11b6bSEli Britstein OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0, 208527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 208627c11b6bSEli Britstein OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0, 208727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 208827c11b6bSEli Britstein OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0, ttl_hoplimit), 2089d79b6df6SOr Gerlitz 209027c11b6bSEli Britstein OFFLOAD(TCP_SPORT, 2, tcp.source, 0, tcp_sport), 209127c11b6bSEli Britstein OFFLOAD(TCP_DPORT, 2, tcp.dest, 0, tcp_dport), 209227c11b6bSEli Britstein OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5, tcp_flags), 2093d79b6df6SOr Gerlitz 209427c11b6bSEli Britstein OFFLOAD(UDP_SPORT, 2, udp.source, 0, udp_sport), 209527c11b6bSEli Britstein OFFLOAD(UDP_DPORT, 2, udp.dest, 0, udp_dport), 2096d79b6df6SOr Gerlitz }; 2097d79b6df6SOr Gerlitz 2098218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 2099218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 2100218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 2101d79b6df6SOr Gerlitz */ 2102c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 2103e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 210427c11b6bSEli Britstein u32 *action_flags, 2105e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2106d79b6df6SOr Gerlitz { 2107d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 210827c11b6bSEli Britstein void *headers_c = get_match_headers_criteria(*action_flags, 210927c11b6bSEli Britstein &parse_attr->spec); 211027c11b6bSEli Britstein void *headers_v = get_match_headers_value(*action_flags, 211127c11b6bSEli Britstein &parse_attr->spec); 21122b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 2113d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 2114d79b6df6SOr Gerlitz struct mlx5_fields *f; 2115d79b6df6SOr Gerlitz u8 cmd, field_bsize; 2116e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 2117d79b6df6SOr Gerlitz unsigned long mask; 21182b64bebaSOr Gerlitz __be32 mask_be32; 21192b64bebaSOr Gerlitz __be16 mask_be16; 2120d79b6df6SOr Gerlitz void *action; 2121d79b6df6SOr Gerlitz 212273867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 212373867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 212473867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 212573867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2126d79b6df6SOr Gerlitz 2127d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2128218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 2129218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 2130218d05ceSTonghao Zhang 2131218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 2132218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 2133d79b6df6SOr Gerlitz 2134d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 213527c11b6bSEli Britstein bool skip; 213627c11b6bSEli Britstein 2137d79b6df6SOr Gerlitz f = &fields[i]; 2138d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2139e3ca4e05SOr Gerlitz s_mask = 0; 2140e3ca4e05SOr Gerlitz a_mask = 0; 2141d79b6df6SOr Gerlitz 2142d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2143d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2144d79b6df6SOr Gerlitz 2145d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 2146d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 2147d79b6df6SOr Gerlitz 2148d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2149d79b6df6SOr Gerlitz continue; 2150d79b6df6SOr Gerlitz 2151d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2152e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2153e98bedf5SEli Britstein "can't set and add to the same HW field"); 2154d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2155d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2156d79b6df6SOr Gerlitz } 2157d79b6df6SOr Gerlitz 2158d79b6df6SOr Gerlitz if (nactions == max_actions) { 2159e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2160e98bedf5SEli Britstein "too many pedit actions, can't offload"); 2161d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 2162d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2163d79b6df6SOr Gerlitz } 2164d79b6df6SOr Gerlitz 216527c11b6bSEli Britstein skip = false; 2166d79b6df6SOr Gerlitz if (s_mask) { 216727c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 216827c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 216927c11b6bSEli Britstein 2170d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2171d79b6df6SOr Gerlitz mask = s_mask; 2172d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 217327c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 217427c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 217527c11b6bSEli Britstein match_mask, f->size)) 217627c11b6bSEli Britstein skip = true; 2177d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2178d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 2179d79b6df6SOr Gerlitz } else { 218027c11b6bSEli Britstein u32 zero = 0; 218127c11b6bSEli Britstein 2182d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2183d79b6df6SOr Gerlitz mask = a_mask; 2184d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 218527c11b6bSEli Britstein /* add 0 is no change */ 218627c11b6bSEli Britstein if (!memcmp(vals_p, &zero, f->size)) 218727c11b6bSEli Britstein skip = true; 2188d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2189d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 2190d79b6df6SOr Gerlitz } 219127c11b6bSEli Britstein if (skip) 219227c11b6bSEli Britstein continue; 2193d79b6df6SOr Gerlitz 2194d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 2195e3ca4e05SOr Gerlitz 21962b64bebaSOr Gerlitz if (field_bsize == 32) { 21972b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 21982b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 21992b64bebaSOr Gerlitz } else if (field_bsize == 16) { 22002b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 22012b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 22022b64bebaSOr Gerlitz } 22032b64bebaSOr Gerlitz 2204d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 22052b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 2206d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 22072b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2208e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2209e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 22102b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2211d79b6df6SOr Gerlitz mask); 2212d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2213d79b6df6SOr Gerlitz } 2214d79b6df6SOr Gerlitz 2215d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2216d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2217d79b6df6SOr Gerlitz 2218d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 22192b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 2220d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 22212b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2222d79b6df6SOr Gerlitz } 2223d79b6df6SOr Gerlitz 2224d79b6df6SOr Gerlitz if (field_bsize == 32) 22252b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 2226d79b6df6SOr Gerlitz else if (field_bsize == 16) 22272b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 2228d79b6df6SOr Gerlitz else if (field_bsize == 8) 22292b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2230d79b6df6SOr Gerlitz 2231d79b6df6SOr Gerlitz action += action_size; 2232d79b6df6SOr Gerlitz nactions++; 2233d79b6df6SOr Gerlitz } 2234d79b6df6SOr Gerlitz 2235d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2236d79b6df6SOr Gerlitz return 0; 2237d79b6df6SOr Gerlitz } 2238d79b6df6SOr Gerlitz 22392cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 22402cc1cb1dSTonghao Zhang int namespace) 22412cc1cb1dSTonghao Zhang { 22422cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 22432cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 22442cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 22452cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 22462cc1cb1dSTonghao Zhang } 22472cc1cb1dSTonghao Zhang 2248d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2249c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2250c500c86bSPablo Neira Ayuso int namespace, 2251d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2252d79b6df6SOr Gerlitz { 2253d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2254d79b6df6SOr Gerlitz 2255c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2256c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2257d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2258d79b6df6SOr Gerlitz 22592cc1cb1dSTonghao Zhang max_actions = mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace); 2260d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2261d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2262d79b6df6SOr Gerlitz 2263d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2264d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2265d79b6df6SOr Gerlitz return -ENOMEM; 2266d79b6df6SOr Gerlitz 2267218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2268d79b6df6SOr Gerlitz return 0; 2269d79b6df6SOr Gerlitz } 2270d79b6df6SOr Gerlitz 2271d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2272d79b6df6SOr Gerlitz 2273d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 227473867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2275e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2276c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2277e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2278d79b6df6SOr Gerlitz { 227973867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 228073867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2281d79b6df6SOr Gerlitz u32 mask, val, offset; 228273867881SPablo Neira Ayuso u8 htype; 2283d79b6df6SOr Gerlitz 228473867881SPablo Neira Ayuso htype = act->mangle.htype; 2285d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2286d79b6df6SOr Gerlitz 228773867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 228873867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2289d79b6df6SOr Gerlitz goto out_err; 2290d79b6df6SOr Gerlitz } 2291d79b6df6SOr Gerlitz 22922cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 22932cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 22942cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 22952cc1cb1dSTonghao Zhang goto out_err; 22962cc1cb1dSTonghao Zhang } 22972cc1cb1dSTonghao Zhang 229873867881SPablo Neira Ayuso mask = act->mangle.mask; 229973867881SPablo Neira Ayuso val = act->mangle.val; 230073867881SPablo Neira Ayuso offset = act->mangle.offset; 2301d79b6df6SOr Gerlitz 2302c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2303d79b6df6SOr Gerlitz if (err) 2304d79b6df6SOr Gerlitz goto out_err; 2305c500c86bSPablo Neira Ayuso 2306c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2307d79b6df6SOr Gerlitz 2308c500c86bSPablo Neira Ayuso return 0; 2309c500c86bSPablo Neira Ayuso out_err: 2310c500c86bSPablo Neira Ayuso return err; 2311c500c86bSPablo Neira Ayuso } 2312c500c86bSPablo Neira Ayuso 2313c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2314c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2315c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 231627c11b6bSEli Britstein u32 *action_flags, 2317c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2318c500c86bSPablo Neira Ayuso { 2319c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2320c500c86bSPablo Neira Ayuso int err; 2321c500c86bSPablo Neira Ayuso u8 cmd; 2322c500c86bSPablo Neira Ayuso 2323218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2324c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2325d79b6df6SOr Gerlitz if (err) 2326d79b6df6SOr Gerlitz goto out_err; 2327218d05ceSTonghao Zhang } 2328d79b6df6SOr Gerlitz 232927c11b6bSEli Britstein err = offload_pedit_fields(hdrs, parse_attr, action_flags, extack); 2330d79b6df6SOr Gerlitz if (err < 0) 2331d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2332d79b6df6SOr Gerlitz 2333d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2334c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2335d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2336e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2337e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2338b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2339d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2340d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2341d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2342d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2343d79b6df6SOr Gerlitz } 2344d79b6df6SOr Gerlitz } 2345d79b6df6SOr Gerlitz 2346d79b6df6SOr Gerlitz return 0; 2347d79b6df6SOr Gerlitz 2348d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2349d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2350d79b6df6SOr Gerlitz out_err: 2351d79b6df6SOr Gerlitz return err; 2352d79b6df6SOr Gerlitz } 2353d79b6df6SOr Gerlitz 2354e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2355e98bedf5SEli Britstein u32 action, 2356e98bedf5SEli Britstein u32 update_flags, 2357e98bedf5SEli Britstein struct netlink_ext_ack *extack) 235826c02749SOr Gerlitz { 235926c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 236026c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 236126c02749SOr Gerlitz 236226c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 236326c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2364e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2365e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 236626c02749SOr Gerlitz netdev_warn(priv->netdev, 236726c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 236826c02749SOr Gerlitz return false; 236926c02749SOr Gerlitz } 237026c02749SOr Gerlitz 237126c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2372e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2373e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 237426c02749SOr Gerlitz netdev_warn(priv->netdev, 237526c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 237626c02749SOr Gerlitz update_flags); 237726c02749SOr Gerlitz return false; 237826c02749SOr Gerlitz } 237926c02749SOr Gerlitz 238026c02749SOr Gerlitz return true; 238126c02749SOr Gerlitz } 238226c02749SOr Gerlitz 23838998576bSDmytro Linkin struct ip_ttl_word { 23848998576bSDmytro Linkin __u8 ttl; 23858998576bSDmytro Linkin __u8 protocol; 23868998576bSDmytro Linkin __sum16 check; 23878998576bSDmytro Linkin }; 23888998576bSDmytro Linkin 23898998576bSDmytro Linkin struct ipv6_hoplimit_word { 23908998576bSDmytro Linkin __be16 payload_len; 23918998576bSDmytro Linkin __u8 nexthdr; 23928998576bSDmytro Linkin __u8 hop_limit; 23938998576bSDmytro Linkin }; 23948998576bSDmytro Linkin 23958998576bSDmytro Linkin static bool is_action_keys_supported(const struct flow_action_entry *act) 23968998576bSDmytro Linkin { 23978998576bSDmytro Linkin u32 mask, offset; 23988998576bSDmytro Linkin u8 htype; 23998998576bSDmytro Linkin 24008998576bSDmytro Linkin htype = act->mangle.htype; 24018998576bSDmytro Linkin offset = act->mangle.offset; 24028998576bSDmytro Linkin mask = ~act->mangle.mask; 24038998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 24048998576bSDmytro Linkin * to determine that modified fields 24058998576bSDmytro Linkin * are NOT ttl & hop_limit only. 24068998576bSDmytro Linkin */ 24078998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 24088998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 24098998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 24108998576bSDmytro Linkin 24118998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 24128998576bSDmytro Linkin ttl_word->protocol || 24138998576bSDmytro Linkin ttl_word->check) { 24148998576bSDmytro Linkin return true; 24158998576bSDmytro Linkin } 24168998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 24178998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 24188998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 24198998576bSDmytro Linkin 24208998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 24218998576bSDmytro Linkin hoplimit_word->payload_len || 24228998576bSDmytro Linkin hoplimit_word->nexthdr) { 24238998576bSDmytro Linkin return true; 24248998576bSDmytro Linkin } 24258998576bSDmytro Linkin } 24268998576bSDmytro Linkin return false; 24278998576bSDmytro Linkin } 24288998576bSDmytro Linkin 2429bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 243073867881SPablo Neira Ayuso struct flow_action *flow_action, 24311651925dSGuy Shattah u32 actions, 2432e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2433bdd66ac0SOr Gerlitz { 243473867881SPablo Neira Ayuso const struct flow_action_entry *act; 2435bdd66ac0SOr Gerlitz bool modify_ip_header; 2436bdd66ac0SOr Gerlitz void *headers_v; 2437bdd66ac0SOr Gerlitz u16 ethertype; 24388998576bSDmytro Linkin u8 ip_proto; 243973867881SPablo Neira Ayuso int i; 2440bdd66ac0SOr Gerlitz 24418377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 2442bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2443bdd66ac0SOr Gerlitz 2444bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2445bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2446bdd66ac0SOr Gerlitz goto out_ok; 2447bdd66ac0SOr Gerlitz 2448bdd66ac0SOr Gerlitz modify_ip_header = false; 244973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 245073867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 245173867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2452bdd66ac0SOr Gerlitz continue; 2453bdd66ac0SOr Gerlitz 24548998576bSDmytro Linkin if (is_action_keys_supported(act)) { 2455bdd66ac0SOr Gerlitz modify_ip_header = true; 2456bdd66ac0SOr Gerlitz break; 2457bdd66ac0SOr Gerlitz } 2458bdd66ac0SOr Gerlitz } 2459bdd66ac0SOr Gerlitz 2460bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 24611ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 24621ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2463e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2464e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2465bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2466bdd66ac0SOr Gerlitz return false; 2467bdd66ac0SOr Gerlitz } 2468bdd66ac0SOr Gerlitz 2469bdd66ac0SOr Gerlitz out_ok: 2470bdd66ac0SOr Gerlitz return true; 2471bdd66ac0SOr Gerlitz } 2472bdd66ac0SOr Gerlitz 2473bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 247473867881SPablo Neira Ayuso struct flow_action *flow_action, 2475bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2476e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2477e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2478bdd66ac0SOr Gerlitz { 2479bdd66ac0SOr Gerlitz u32 actions; 2480bdd66ac0SOr Gerlitz 2481226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 2482bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2483bdd66ac0SOr Gerlitz else 2484bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2485bdd66ac0SOr Gerlitz 2486226f2ca3SVlad Buslov if (flow_flag_test(flow, EGRESS) && 248735a605dbSEli Britstein !((actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) || 24886830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 24896830b468STonghao Zhang (actions & MLX5_FLOW_CONTEXT_ACTION_DROP))) 24907e29392eSRoi Dayan return false; 24917e29392eSRoi Dayan 2492bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 249373867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2494a655fe9fSDavid S. Miller flow_action, actions, 2495e98bedf5SEli Britstein extack); 2496bdd66ac0SOr Gerlitz 2497bdd66ac0SOr Gerlitz return true; 2498bdd66ac0SOr Gerlitz } 2499bdd66ac0SOr Gerlitz 25005c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 25015c65c564SOr Gerlitz { 25025c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2503816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 25045c65c564SOr Gerlitz 25055c65c564SOr Gerlitz fmdev = priv->mdev; 25065c65c564SOr Gerlitz pmdev = peer_priv->mdev; 25075c65c564SOr Gerlitz 250859c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 250959c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 25105c65c564SOr Gerlitz 2511816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 25125c65c564SOr Gerlitz } 25135c65c564SOr Gerlitz 2514bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2515bdc837eeSEli Britstein const struct flow_action_entry *act, 2516bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2517bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2518bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2519bdc837eeSEli Britstein { 2520bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2521bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2522bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2523bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2524bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2525bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2526bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2527bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2528bdc837eeSEli Britstein }; 25296fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 2530bf2f3bcaSEli Britstein void *headers_c, *headers_v; 2531bdc837eeSEli Britstein int err; 2532bdc837eeSEli Britstein 2533bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 2534bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 2535bf2f3bcaSEli Britstein 2536bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 2537bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 2538bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 2539bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 2540bf2f3bcaSEli Britstein return -EOPNOTSUPP; 2541bf2f3bcaSEli Britstein } 2542bf2f3bcaSEli Britstein 25436fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 25446fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 25456fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 25466fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 25476fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 2548bdc837eeSEli Britstein return -EOPNOTSUPP; 2549bdc837eeSEli Britstein } 2550bdc837eeSEli Britstein 2551bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2552bdc837eeSEli Britstein hdrs, NULL); 2553bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2554bdc837eeSEli Britstein 2555bdc837eeSEli Britstein return err; 2556bdc837eeSEli Britstein } 2557bdc837eeSEli Britstein 25580bac1194SEli Britstein static int 25590bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 25600bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 25610bac1194SEli Britstein struct pedit_headers_action *hdrs, 25620bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 25630bac1194SEli Britstein { 25640bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 25650bac1194SEli Britstein .vlan.vid = 0, 25660bac1194SEli Britstein .vlan.prio = 25670bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 25680bac1194SEli Britstein get_match_headers_value(*action, 25690bac1194SEli Britstein &parse_attr->spec), 25700bac1194SEli Britstein first_prio) & 25710bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 25720bac1194SEli Britstein get_match_headers_criteria(*action, 25730bac1194SEli Britstein &parse_attr->spec), 25740bac1194SEli Britstein first_prio), 25750bac1194SEli Britstein }; 25760bac1194SEli Britstein 25770bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 25780bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 25790bac1194SEli Britstein extack); 25800bac1194SEli Britstein } 25810bac1194SEli Britstein 258273867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 258373867881SPablo Neira Ayuso struct flow_action *flow_action, 2584aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2585e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2586e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2587e3a2b7edSAmir Vadai { 2588aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 258973867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 259073867881SPablo Neira Ayuso const struct flow_action_entry *act; 25911cab1cd7SOr Gerlitz u32 action = 0; 2592244cd96aSCong Wang int err, i; 2593e3a2b7edSAmir Vadai 259473867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2595e3a2b7edSAmir Vadai return -EINVAL; 2596e3a2b7edSAmir Vadai 25973bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2598e3a2b7edSAmir Vadai 259973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 260073867881SPablo Neira Ayuso switch (act->id) { 260173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 26021cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2603aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2604aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 26051cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 260673867881SPablo Neira Ayuso break; 260773867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 260873867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 260973867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2610c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 26112f4fe4caSOr Gerlitz if (err) 26122f4fe4caSOr Gerlitz return err; 26132f4fe4caSOr Gerlitz 26141cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 26152f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 261673867881SPablo Neira Ayuso break; 2617bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2618bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2619bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2620bdc837eeSEli Britstein act, parse_attr, hdrs, 2621bdc837eeSEli Britstein &action, extack); 2622bdc837eeSEli Britstein if (err) 2623bdc837eeSEli Britstein return err; 2624bdc837eeSEli Britstein 2625bdc837eeSEli Britstein break; 262673867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 26271cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 262873867881SPablo Neira Ayuso act->csum_flags, 2629e98bedf5SEli Britstein extack)) 263073867881SPablo Neira Ayuso break; 263126c02749SOr Gerlitz 263226c02749SOr Gerlitz return -EOPNOTSUPP; 263373867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 263473867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 26355c65c564SOr Gerlitz 26365c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 26375c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 263898b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 2639226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 26401cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 26415c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 26425c65c564SOr Gerlitz } else { 2643e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2644e98bedf5SEli Britstein "device is not on same HW, can't offload"); 26455c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 26465c65c564SOr Gerlitz peer_dev->name); 26475c65c564SOr Gerlitz return -EINVAL; 26485c65c564SOr Gerlitz } 26495c65c564SOr Gerlitz } 265073867881SPablo Neira Ayuso break; 265173867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 265273867881SPablo Neira Ayuso u32 mark = act->mark; 2653e3a2b7edSAmir Vadai 2654e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2655e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2656e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2657e3a2b7edSAmir Vadai return -EINVAL; 2658e3a2b7edSAmir Vadai } 2659e3a2b7edSAmir Vadai 26603bc4b7bfSOr Gerlitz attr->flow_tag = mark; 26611cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2662e3a2b7edSAmir Vadai } 266373867881SPablo Neira Ayuso break; 266473867881SPablo Neira Ayuso default: 26652cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 26662cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 2667e3a2b7edSAmir Vadai } 266873867881SPablo Neira Ayuso } 2669e3a2b7edSAmir Vadai 2670c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2671c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2672c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 267327c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 2674c500c86bSPablo Neira Ayuso if (err) 2675c500c86bSPablo Neira Ayuso return err; 267627c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 267727c11b6bSEli Britstein * flag. 267827c11b6bSEli Britstein */ 2679e7739a60SEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 268027c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2681e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 2682e7739a60SEli Britstein } 2683c500c86bSPablo Neira Ayuso } 2684c500c86bSPablo Neira Ayuso 26851cab1cd7SOr Gerlitz attr->action = action; 268673867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2687bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2688bdd66ac0SOr Gerlitz 2689e3a2b7edSAmir Vadai return 0; 2690e3a2b7edSAmir Vadai } 2691e3a2b7edSAmir Vadai 26927f1a546eSEli Britstein struct encap_key { 26931f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 2694d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 26957f1a546eSEli Britstein }; 26967f1a546eSEli Britstein 26977f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 26987f1a546eSEli Britstein struct encap_key *b) 2699a54e20b4SHadar Hen Zion { 27007f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 2701d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 2702a54e20b4SHadar Hen Zion } 2703a54e20b4SHadar Hen Zion 27047f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 2705a54e20b4SHadar Hen Zion { 27067f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 2707d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 2708a54e20b4SHadar Hen Zion } 2709a54e20b4SHadar Hen Zion 2710a54e20b4SHadar Hen Zion 2711b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2712b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2713b1d90e6bSRabie Loulou { 2714b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2715b1d90e6bSRabie Loulou 2716b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2717b1d90e6bSRabie Loulou 2718b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 271968931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 272068931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 272168931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2722b1d90e6bSRabie Loulou } 2723b1d90e6bSRabie Loulou 2724ce99f6b9SOr Gerlitz 272554c177caSOz Shlomo 2726a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2727e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2728733d4f36SRoi Dayan struct net_device *mirred_dev, 2729733d4f36SRoi Dayan int out_index, 27308c4dc42bSEli Britstein struct netlink_ext_ack *extack, 27310ad060eeSRoi Dayan struct net_device **encap_dev, 27320ad060eeSRoi Dayan bool *encap_valid) 273303a9d11eSOr Gerlitz { 2734a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 273545247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2736733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 27371f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 27387f1a546eSEli Britstein struct encap_key key, e_key; 2739c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2740733d4f36SRoi Dayan unsigned short family; 2741a54e20b4SHadar Hen Zion uintptr_t hash_key; 2742a54e20b4SHadar Hen Zion bool found = false; 274354c177caSOz Shlomo int err = 0; 2744a54e20b4SHadar Hen Zion 2745733d4f36SRoi Dayan parse_attr = attr->parse_attr; 27461f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 2747733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 27487f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 2749d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 2750d71f895cSEli Cohen if (!key.tc_tunnel) { 2751d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 2752d71f895cSEli Cohen return -EOPNOTSUPP; 2753d71f895cSEli Cohen } 2754733d4f36SRoi Dayan 27557f1a546eSEli Britstein hash_key = hash_encap_info(&key); 2756a54e20b4SHadar Hen Zion 2757a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2758a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 27591f6da306SYevgeny Kliteynik e_key.ip_tun_key = &e->tun_info->key; 2760d386939aSYevgeny Kliteynik e_key.tc_tunnel = e->tunnel; 27617f1a546eSEli Britstein if (!cmp_encap_info(&e_key, &key)) { 2762a54e20b4SHadar Hen Zion found = true; 2763a54e20b4SHadar Hen Zion break; 2764a54e20b4SHadar Hen Zion } 2765a54e20b4SHadar Hen Zion } 2766a54e20b4SHadar Hen Zion 2767b2812089SVlad Buslov /* must verify if encap is valid or not */ 276845247bf2SOr Gerlitz if (found) 276945247bf2SOr Gerlitz goto attach_flow; 2770a54e20b4SHadar Hen Zion 2771a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2772a54e20b4SHadar Hen Zion if (!e) 2773a54e20b4SHadar Hen Zion return -ENOMEM; 2774a54e20b4SHadar Hen Zion 27751f6da306SYevgeny Kliteynik e->tun_info = tun_info; 2776101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 277754c177caSOz Shlomo if (err) 277854c177caSOz Shlomo goto out_err; 277954c177caSOz Shlomo 2780a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2781a54e20b4SHadar Hen Zion 2782ce99f6b9SOr Gerlitz if (family == AF_INET) 2783101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2784ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2785101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2786ce99f6b9SOr Gerlitz 27870ad060eeSRoi Dayan if (err) 2788a54e20b4SHadar Hen Zion goto out_err; 2789a54e20b4SHadar Hen Zion 2790a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2791a54e20b4SHadar Hen Zion 279245247bf2SOr Gerlitz attach_flow: 27938c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 27948c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 279545247bf2SOr Gerlitz *encap_dev = e->out_dev; 27968c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 27978c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 27988c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 27990ad060eeSRoi Dayan *encap_valid = true; 28008c4dc42bSEli Britstein } else { 28010ad060eeSRoi Dayan *encap_valid = false; 28028c4dc42bSEli Britstein } 280345247bf2SOr Gerlitz 2804232c0013SHadar Hen Zion return err; 2805a54e20b4SHadar Hen Zion 2806a54e20b4SHadar Hen Zion out_err: 2807a54e20b4SHadar Hen Zion kfree(e); 2808a54e20b4SHadar Hen Zion return err; 2809a54e20b4SHadar Hen Zion } 2810a54e20b4SHadar Hen Zion 28111482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 281273867881SPablo Neira Ayuso const struct flow_action_entry *act, 28131482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 28141482bd3dSJianbo Liu u32 *action) 28151482bd3dSJianbo Liu { 2816cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2817cc495188SJianbo Liu 2818cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 28191482bd3dSJianbo Liu return -EOPNOTSUPP; 2820cc495188SJianbo Liu 282173867881SPablo Neira Ayuso switch (act->id) { 282273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 2823cc495188SJianbo Liu if (vlan_idx) { 2824cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2825cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2826cc495188SJianbo Liu return -EOPNOTSUPP; 2827cc495188SJianbo Liu 2828cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2829cc495188SJianbo Liu } else { 2830cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2831cc495188SJianbo Liu } 283273867881SPablo Neira Ayuso break; 283373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 283473867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 283573867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 283673867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 2837cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2838cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2839cc495188SJianbo Liu 2840cc495188SJianbo Liu if (vlan_idx) { 2841cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2842cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2843cc495188SJianbo Liu return -EOPNOTSUPP; 2844cc495188SJianbo Liu 2845cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2846cc495188SJianbo Liu } else { 2847cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 284873867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 284973867881SPablo Neira Ayuso act->vlan.prio)) 2850cc495188SJianbo Liu return -EOPNOTSUPP; 2851cc495188SJianbo Liu 2852cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 28531482bd3dSJianbo Liu } 285473867881SPablo Neira Ayuso break; 285573867881SPablo Neira Ayuso default: 2856bdc837eeSEli Britstein return -EINVAL; 28571482bd3dSJianbo Liu } 28581482bd3dSJianbo Liu 2859cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2860cc495188SJianbo Liu 28611482bd3dSJianbo Liu return 0; 28621482bd3dSJianbo Liu } 28631482bd3dSJianbo Liu 2864278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 2865278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 2866278748a9SEli Britstein struct net_device **out_dev, 2867278748a9SEli Britstein u32 *action) 2868278748a9SEli Britstein { 2869278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 2870278748a9SEli Britstein struct flow_action_entry vlan_act = { 2871278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 2872278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 2873278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 2874278748a9SEli Britstein .vlan.prio = 0, 2875278748a9SEli Britstein }; 2876278748a9SEli Britstein int err; 2877278748a9SEli Britstein 2878278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 2879278748a9SEli Britstein if (err) 2880278748a9SEli Britstein return err; 2881278748a9SEli Britstein 2882278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 2883278748a9SEli Britstein dev_get_iflink(vlan_dev)); 2884278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 2885278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 2886278748a9SEli Britstein 2887278748a9SEli Britstein return err; 2888278748a9SEli Britstein } 2889278748a9SEli Britstein 289035a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 289135a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 289235a605dbSEli Britstein u32 *action) 289335a605dbSEli Britstein { 289435a605dbSEli Britstein int nest_level = vlan_get_encap_level(attr->parse_attr->filter_dev); 289535a605dbSEli Britstein struct flow_action_entry vlan_act = { 289635a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 289735a605dbSEli Britstein }; 289835a605dbSEli Britstein int err = 0; 289935a605dbSEli Britstein 290035a605dbSEli Britstein while (nest_level--) { 290135a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 290235a605dbSEli Britstein if (err) 290335a605dbSEli Britstein return err; 290435a605dbSEli Britstein } 290535a605dbSEli Britstein 290635a605dbSEli Britstein return err; 290735a605dbSEli Britstein } 290835a605dbSEli Britstein 2909f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 2910f6dc1264SPaul Blakey struct net_device *out_dev) 2911f6dc1264SPaul Blakey { 2912f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 2913f6dc1264SPaul Blakey return true; 2914f6dc1264SPaul Blakey 2915f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 2916f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 2917f6dc1264SPaul Blakey } 2918f6dc1264SPaul Blakey 291973867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 292073867881SPablo Neira Ayuso struct flow_action *flow_action, 2921e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2922e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2923a54e20b4SHadar Hen Zion { 292473867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 2925bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2926ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 29276f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 29281d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 292973867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 293073867881SPablo Neira Ayuso const struct flow_action_entry *act; 2931a54e20b4SHadar Hen Zion bool encap = false; 29321cab1cd7SOr Gerlitz u32 action = 0; 2933244cd96aSCong Wang int err, i; 293403a9d11eSOr Gerlitz 293573867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 293603a9d11eSOr Gerlitz return -EINVAL; 293703a9d11eSOr Gerlitz 293873867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 293973867881SPablo Neira Ayuso switch (act->id) { 294073867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 29411cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 294203a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 294373867881SPablo Neira Ayuso break; 294473867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 294573867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 294673867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 2947c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2948d7e75a32SOr Gerlitz if (err) 2949d7e75a32SOr Gerlitz return err; 2950d7e75a32SOr Gerlitz 29511cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2952e85e02baSEli Britstein attr->split_count = attr->out_count; 295373867881SPablo Neira Ayuso break; 295473867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 29551cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 295673867881SPablo Neira Ayuso act->csum_flags, extack)) 295773867881SPablo Neira Ayuso break; 295826c02749SOr Gerlitz 295926c02749SOr Gerlitz return -EOPNOTSUPP; 296073867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 296173867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 296203a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2963592d3651SChris Mi struct net_device *out_dev; 296403a9d11eSOr Gerlitz 296573867881SPablo Neira Ayuso out_dev = act->dev; 2966ef381359SOz Shlomo if (!out_dev) { 2967ef381359SOz Shlomo /* out_dev is NULL when filters with 2968ef381359SOz Shlomo * non-existing mirred device are replayed to 2969ef381359SOz Shlomo * the driver. 2970ef381359SOz Shlomo */ 2971ef381359SOz Shlomo return -EINVAL; 2972ef381359SOz Shlomo } 297303a9d11eSOr Gerlitz 2974592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2975e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2976e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2977592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2978592d3651SChris Mi attr->out_count); 2979592d3651SChris Mi return -EOPNOTSUPP; 2980592d3651SChris Mi } 2981592d3651SChris Mi 2982f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2983f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 2984f6dc1264SPaul Blakey if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 29857ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 29867ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 2987fa833bd5SVlad Buslov struct net_device *uplink_upper; 29887ba58ba7SRabie Loulou 2989fa833bd5SVlad Buslov rcu_read_lock(); 2990fa833bd5SVlad Buslov uplink_upper = 2991fa833bd5SVlad Buslov netdev_master_upper_dev_get_rcu(uplink_dev); 29927ba58ba7SRabie Loulou if (uplink_upper && 29937ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 29947ba58ba7SRabie Loulou uplink_upper == out_dev) 29957ba58ba7SRabie Loulou out_dev = uplink_dev; 2996fa833bd5SVlad Buslov rcu_read_unlock(); 29977ba58ba7SRabie Loulou 2998278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 2999278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3000278748a9SEli Britstein &out_dev, 3001278748a9SEli Britstein &action); 3002278748a9SEli Britstein if (err) 3003278748a9SEli Britstein return err; 3004278748a9SEli Britstein } 3005f6dc1264SPaul Blakey 300635a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 300735a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 300835a605dbSEli Britstein &action); 300935a605dbSEli Britstein if (err) 301035a605dbSEli Britstein return err; 301135a605dbSEli Britstein } 3012278748a9SEli Britstein 3013f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3014f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3015f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 3016f6dc1264SPaul Blakey pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3017f6dc1264SPaul Blakey priv->netdev->name, out_dev->name); 3018a0646c88SEli Britstein return -EOPNOTSUPP; 3019f6dc1264SPaul Blakey } 3020a0646c88SEli Britstein 302103a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 30221d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3023df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 3024df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 3025df65a573SEli Britstein attr->out_count++; 3026a54e20b4SHadar Hen Zion } else if (encap) { 30278c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 30288c4dc42bSEli Britstein out_dev->ifindex; 30291f6da306SYevgeny Kliteynik parse_attr->tun_info[attr->out_count] = info; 30308c4dc42bSEli Britstein encap = false; 3031f493f155SEli Britstein attr->dests[attr->out_count].flags |= 3032f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 30331cc26d74SEli Britstein attr->out_count++; 3034df65a573SEli Britstein /* attr->dests[].rep is resolved when we 3035df65a573SEli Britstein * handle encap 3036df65a573SEli Britstein */ 3037ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3038ef381359SOz Shlomo /* All mlx5 devices are called to configure 3039ef381359SOz Shlomo * high level device filters. Therefore, the 3040ef381359SOz Shlomo * *attempt* to install a filter on invalid 3041ef381359SOz Shlomo * eswitch should not trigger an explicit error 3042ef381359SOz Shlomo */ 3043ef381359SOz Shlomo return -EINVAL; 3044a54e20b4SHadar Hen Zion } else { 3045e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3046e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 3047a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 3048a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 3049a54e20b4SHadar Hen Zion return -EINVAL; 3050a54e20b4SHadar Hen Zion } 3051a54e20b4SHadar Hen Zion } 305273867881SPablo Neira Ayuso break; 305373867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 305473867881SPablo Neira Ayuso info = act->tunnel; 3055a54e20b4SHadar Hen Zion if (info) 3056a54e20b4SHadar Hen Zion encap = true; 3057a54e20b4SHadar Hen Zion else 3058a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 305903a9d11eSOr Gerlitz 306073867881SPablo Neira Ayuso break; 306173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 306273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 306376b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 306476b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 306576b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 306676b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 306776b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 306876b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 306976b496b1SEli Britstein act, parse_attr, hdrs, 307076b496b1SEli Britstein &action, extack); 307176b496b1SEli Britstein } else { 307273867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 307376b496b1SEli Britstein } 30741482bd3dSJianbo Liu if (err) 30751482bd3dSJianbo Liu return err; 30761482bd3dSJianbo Liu 3077e85e02baSEli Britstein attr->split_count = attr->out_count; 307873867881SPablo Neira Ayuso break; 3079bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3080bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3081bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3082bdc837eeSEli Britstein act, parse_attr, hdrs, 3083bdc837eeSEli Britstein &action, extack); 3084bdc837eeSEli Britstein if (err) 3085bdc837eeSEli Britstein return err; 3086bdc837eeSEli Britstein 3087bdc837eeSEli Britstein attr->split_count = attr->out_count; 3088bdc837eeSEli Britstein break; 308973867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 30901cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 309173867881SPablo Neira Ayuso break; 309273867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 309373867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 3094bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 3095bf07aa73SPaul Blakey 3096bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 3097bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 3098bf07aa73SPaul Blakey return -EOPNOTSUPP; 3099bf07aa73SPaul Blakey } 3100bf07aa73SPaul Blakey if (dest_chain > max_chain) { 3101bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 3102bf07aa73SPaul Blakey return -EOPNOTSUPP; 3103bf07aa73SPaul Blakey } 3104e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3105bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 310673867881SPablo Neira Ayuso break; 3107bf07aa73SPaul Blakey } 310873867881SPablo Neira Ayuso default: 31092cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 31102cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 311103a9d11eSOr Gerlitz } 311273867881SPablo Neira Ayuso } 3113bdd66ac0SOr Gerlitz 31140bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 31150bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 31160bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 31170bac1194SEli Britstein * tag rewrite. 31180bac1194SEli Britstein */ 31190bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 31200bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 31210bac1194SEli Britstein &action, extack); 31220bac1194SEli Britstein if (err) 31230bac1194SEli Britstein return err; 31240bac1194SEli Britstein } 31250bac1194SEli Britstein 3126c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3127c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 312884be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 312927c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3130c500c86bSPablo Neira Ayuso if (err) 3131c500c86bSPablo Neira Ayuso return err; 313227c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 313327c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 313427c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 313527c11b6bSEli Britstein */ 313627c11b6bSEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 313727c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3138e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 313927c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 314027c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 314127c11b6bSEli Britstein attr->split_count = 0; 314227c11b6bSEli Britstein } 3143c500c86bSPablo Neira Ayuso } 3144c500c86bSPablo Neira Ayuso 31451cab1cd7SOr Gerlitz attr->action = action; 314673867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3147bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3148bdd66ac0SOr Gerlitz 3149e88afe75SOr Gerlitz if (attr->dest_chain) { 3150e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3151e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3152e88afe75SOr Gerlitz return -EOPNOTSUPP; 3153e88afe75SOr Gerlitz } 3154e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3155e88afe75SOr Gerlitz } 3156e88afe75SOr Gerlitz 3157e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3158e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3159e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3160592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3161592d3651SChris Mi return -EOPNOTSUPP; 3162592d3651SChris Mi } 3163592d3651SChris Mi 316431c8eba5SOr Gerlitz return 0; 316503a9d11eSOr Gerlitz } 316603a9d11eSOr Gerlitz 3167226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 316860bd4af8SOr Gerlitz { 3169226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 317060bd4af8SOr Gerlitz 3171226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3172226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3173226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3174226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 317560bd4af8SOr Gerlitz 3176226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3177226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3178226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3179226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3180d9ee0491SOr Gerlitz 318160bd4af8SOr Gerlitz *flow_flags = __flow_flags; 318260bd4af8SOr Gerlitz } 318360bd4af8SOr Gerlitz 318405866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 318505866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 318605866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 318705866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 318805866c82SOr Gerlitz .automatic_shrinking = true, 318905866c82SOr Gerlitz }; 319005866c82SOr Gerlitz 3191226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3192226f2ca3SVlad Buslov unsigned long flags) 319305866c82SOr Gerlitz { 3194655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3195655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3196655dc3d2SOr Gerlitz 3197226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3198655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3199ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3200d9ee0491SOr Gerlitz } else /* NIC offload */ 320105866c82SOr Gerlitz return &priv->fs.tc.ht; 320205866c82SOr Gerlitz } 320305866c82SOr Gerlitz 320404de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 320504de7ddaSRoi Dayan { 32061418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3207b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 3208226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 32091418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 32101418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 32111418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 32121418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 32131418ddd9SAviv Heller 321410fbb1cdSRoi Dayan if (!esw_paired) 321510fbb1cdSRoi Dayan return false; 321610fbb1cdSRoi Dayan 321710fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 321810fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 321910fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 322010fbb1cdSRoi Dayan return true; 322110fbb1cdSRoi Dayan 322210fbb1cdSRoi Dayan return false; 322304de7ddaSRoi Dayan } 322404de7ddaSRoi Dayan 3225a88780a9SRoi Dayan static int 3226a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3227226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3228a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3229a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3230e3a2b7edSAmir Vadai { 323117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 32323bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 32335a7e5bcbSVlad Buslov int out_index, err; 3234776b12b6SOr Gerlitz 323565ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 32361b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 323717091853SOr Gerlitz if (!parse_attr || !flow) { 3238e3a2b7edSAmir Vadai err = -ENOMEM; 3239e3a2b7edSAmir Vadai goto err_free; 3240e3a2b7edSAmir Vadai } 3241e3a2b7edSAmir Vadai 3242e3a2b7edSAmir Vadai flow->cookie = f->cookie; 324365ba8fb7SOr Gerlitz flow->flags = flow_flags; 3244655dc3d2SOr Gerlitz flow->priv = priv; 32455a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 32465a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 32475a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 32485a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 32495a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 3250e3a2b7edSAmir Vadai 3251a88780a9SRoi Dayan *__flow = flow; 3252a88780a9SRoi Dayan *__parse_attr = parse_attr; 3253a88780a9SRoi Dayan 3254a88780a9SRoi Dayan return 0; 3255a88780a9SRoi Dayan 3256a88780a9SRoi Dayan err_free: 3257a88780a9SRoi Dayan kfree(flow); 3258a88780a9SRoi Dayan kvfree(parse_attr); 3259a88780a9SRoi Dayan return err; 3260adb4c123SOr Gerlitz } 3261adb4c123SOr Gerlitz 3262988ab9c7STonghao Zhang static void 3263988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 3264988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3265988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3266f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3267988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3268988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3269988ab9c7STonghao Zhang { 3270988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3271988ab9c7STonghao Zhang 3272988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 3273988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 3274988ab9c7STonghao Zhang esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 3275988ab9c7STonghao Zhang 3276988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3277988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3278988ab9c7STonghao Zhang 3279988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3280988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3281988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3282988ab9c7STonghao Zhang else 3283988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3284988ab9c7STonghao Zhang } 3285988ab9c7STonghao Zhang 328671129676SJason Gunthorpe static struct mlx5e_tc_flow * 328704de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3288f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3289226f2ca3SVlad Buslov unsigned long flow_flags, 3290d11afc26SOz Shlomo struct net_device *filter_dev, 329104de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 329271129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3293a88780a9SRoi Dayan { 3294f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3295a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3296a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3297a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3298a88780a9SRoi Dayan int attr_size, err; 3299a88780a9SRoi Dayan 3300226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3301a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3302a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3303a88780a9SRoi Dayan &parse_attr, &flow); 3304a88780a9SRoi Dayan if (err) 3305a88780a9SRoi Dayan goto out; 3306988ab9c7STonghao Zhang 3307d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3308988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 3309988ab9c7STonghao Zhang priv, parse_attr, 3310988ab9c7STonghao Zhang f, in_rep, in_mdev); 3311988ab9c7STonghao Zhang 331254c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 331354c177caSOz Shlomo f, filter_dev); 3314d11afc26SOz Shlomo if (err) 3315d11afc26SOz Shlomo goto err_free; 3316a88780a9SRoi Dayan 33176f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 3318a88780a9SRoi Dayan if (err) 3319a88780a9SRoi Dayan goto err_free; 3320a88780a9SRoi Dayan 33217040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 3322ef06c9eeSRoi Dayan if (err) { 3323ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3324aa0cbbaeSOr Gerlitz goto err_free; 33255c40348cSOr Gerlitz 3326b4a23329SRoi Dayan add_unready_flow(flow); 3327ef06c9eeSRoi Dayan } 3328ef06c9eeSRoi Dayan 332971129676SJason Gunthorpe return flow; 3330e3a2b7edSAmir Vadai 3331e3a2b7edSAmir Vadai err_free: 33325a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3333a88780a9SRoi Dayan out: 333471129676SJason Gunthorpe return ERR_PTR(err); 3335a88780a9SRoi Dayan } 3336a88780a9SRoi Dayan 3337f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 333895dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 3339226f2ca3SVlad Buslov unsigned long flow_flags) 334004de7ddaSRoi Dayan { 334104de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 334204de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 334304de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 334404de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 334504de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 334604de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 334704de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 334804de7ddaSRoi Dayan int err = 0; 334904de7ddaSRoi Dayan 335004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 335104de7ddaSRoi Dayan if (!peer_esw) 335204de7ddaSRoi Dayan return -ENODEV; 335304de7ddaSRoi Dayan 335404de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 335504de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 335604de7ddaSRoi Dayan 335704de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 335804de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 335904de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 336004de7ddaSRoi Dayan * peer mdev. 336104de7ddaSRoi Dayan */ 3362b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 336304de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 336404de7ddaSRoi Dayan else 336504de7ddaSRoi Dayan in_mdev = priv->mdev; 336604de7ddaSRoi Dayan 336704de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 336895dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 336904de7ddaSRoi Dayan parse_attr->filter_dev, 337071129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 337171129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 337271129676SJason Gunthorpe err = PTR_ERR(peer_flow); 337304de7ddaSRoi Dayan goto out; 337471129676SJason Gunthorpe } 337504de7ddaSRoi Dayan 337604de7ddaSRoi Dayan flow->peer_flow = peer_flow; 3377226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 337804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 337904de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 338004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 338104de7ddaSRoi Dayan 338204de7ddaSRoi Dayan out: 338304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 338404de7ddaSRoi Dayan return err; 338504de7ddaSRoi Dayan } 338604de7ddaSRoi Dayan 338704de7ddaSRoi Dayan static int 338804de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3389f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3390226f2ca3SVlad Buslov unsigned long flow_flags, 339104de7ddaSRoi Dayan struct net_device *filter_dev, 339204de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 339304de7ddaSRoi Dayan { 339404de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 339504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 339604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 339704de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 339804de7ddaSRoi Dayan int err; 339904de7ddaSRoi Dayan 340071129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 340171129676SJason Gunthorpe in_mdev); 340271129676SJason Gunthorpe if (IS_ERR(flow)) 340371129676SJason Gunthorpe return PTR_ERR(flow); 340404de7ddaSRoi Dayan 340504de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 340695dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 340704de7ddaSRoi Dayan if (err) { 340804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 340904de7ddaSRoi Dayan goto out; 341004de7ddaSRoi Dayan } 341104de7ddaSRoi Dayan } 341204de7ddaSRoi Dayan 341304de7ddaSRoi Dayan *__flow = flow; 341404de7ddaSRoi Dayan 341504de7ddaSRoi Dayan return 0; 341604de7ddaSRoi Dayan 341704de7ddaSRoi Dayan out: 341804de7ddaSRoi Dayan return err; 341904de7ddaSRoi Dayan } 342004de7ddaSRoi Dayan 3421a88780a9SRoi Dayan static int 3422a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3423f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3424226f2ca3SVlad Buslov unsigned long flow_flags, 3425d11afc26SOz Shlomo struct net_device *filter_dev, 3426a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3427a88780a9SRoi Dayan { 3428f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3429a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3430a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3431a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3432a88780a9SRoi Dayan int attr_size, err; 3433a88780a9SRoi Dayan 3434bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3435bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3436bf07aa73SPaul Blakey return -EOPNOTSUPP; 3437bf07aa73SPaul Blakey 3438226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3439a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3440a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3441a88780a9SRoi Dayan &parse_attr, &flow); 3442a88780a9SRoi Dayan if (err) 3443a88780a9SRoi Dayan goto out; 3444a88780a9SRoi Dayan 3445d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 344654c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 344754c177caSOz Shlomo f, filter_dev); 3448d11afc26SOz Shlomo if (err) 3449d11afc26SOz Shlomo goto err_free; 3450d11afc26SOz Shlomo 345173867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3452a88780a9SRoi Dayan if (err) 3453a88780a9SRoi Dayan goto err_free; 3454a88780a9SRoi Dayan 3455a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3456a88780a9SRoi Dayan if (err) 3457a88780a9SRoi Dayan goto err_free; 3458a88780a9SRoi Dayan 3459226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 3460a88780a9SRoi Dayan kvfree(parse_attr); 3461a88780a9SRoi Dayan *__flow = flow; 3462a88780a9SRoi Dayan 3463a88780a9SRoi Dayan return 0; 3464a88780a9SRoi Dayan 3465a88780a9SRoi Dayan err_free: 34665a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3467a88780a9SRoi Dayan kvfree(parse_attr); 3468a88780a9SRoi Dayan out: 3469a88780a9SRoi Dayan return err; 3470a88780a9SRoi Dayan } 3471a88780a9SRoi Dayan 3472a88780a9SRoi Dayan static int 3473a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3474f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3475226f2ca3SVlad Buslov unsigned long flags, 3476d11afc26SOz Shlomo struct net_device *filter_dev, 3477a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3478a88780a9SRoi Dayan { 3479a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3480226f2ca3SVlad Buslov unsigned long flow_flags; 3481a88780a9SRoi Dayan int err; 3482a88780a9SRoi Dayan 3483a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3484a88780a9SRoi Dayan 3485bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3486bf07aa73SPaul Blakey return -EOPNOTSUPP; 3487bf07aa73SPaul Blakey 3488f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3489d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3490d11afc26SOz Shlomo filter_dev, flow); 3491a88780a9SRoi Dayan else 3492d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3493d11afc26SOz Shlomo filter_dev, flow); 3494a88780a9SRoi Dayan 3495a88780a9SRoi Dayan return err; 3496a88780a9SRoi Dayan } 3497a88780a9SRoi Dayan 349871d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3499226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3500a88780a9SRoi Dayan { 3501a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3502d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3503a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3504a88780a9SRoi Dayan int err = 0; 3505a88780a9SRoi Dayan 3506c5d326b2SVlad Buslov rcu_read_lock(); 3507c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3508c5d326b2SVlad Buslov rcu_read_unlock(); 3509a88780a9SRoi Dayan if (flow) { 3510a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3511a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3512a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3513a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3514a88780a9SRoi Dayan f->cookie); 35150e1c1a2fSVlad Buslov err = -EEXIST; 3516a88780a9SRoi Dayan goto out; 3517a88780a9SRoi Dayan } 3518a88780a9SRoi Dayan 3519d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3520a88780a9SRoi Dayan if (err) 3521a88780a9SRoi Dayan goto out; 3522a88780a9SRoi Dayan 3523c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 3524a88780a9SRoi Dayan if (err) 3525a88780a9SRoi Dayan goto err_free; 3526a88780a9SRoi Dayan 3527a88780a9SRoi Dayan return 0; 3528a88780a9SRoi Dayan 3529a88780a9SRoi Dayan err_free: 35305a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3531a88780a9SRoi Dayan out: 3532e3a2b7edSAmir Vadai return err; 3533e3a2b7edSAmir Vadai } 3534e3a2b7edSAmir Vadai 35358f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 35368f8ae895SOr Gerlitz { 3537226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 3538226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 35398f8ae895SOr Gerlitz 3540226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 3541226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 35428f8ae895SOr Gerlitz } 35438f8ae895SOr Gerlitz 354471d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 3545226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3546e3a2b7edSAmir Vadai { 3547d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3548e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3549c5d326b2SVlad Buslov int err; 3550e3a2b7edSAmir Vadai 3551c5d326b2SVlad Buslov rcu_read_lock(); 355205866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3553c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 3554c5d326b2SVlad Buslov err = -EINVAL; 3555c5d326b2SVlad Buslov goto errout; 3556c5d326b2SVlad Buslov } 3557e3a2b7edSAmir Vadai 3558c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 3559c5d326b2SVlad Buslov * set. 3560c5d326b2SVlad Buslov */ 3561c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 3562c5d326b2SVlad Buslov err = -EINVAL; 3563c5d326b2SVlad Buslov goto errout; 3564c5d326b2SVlad Buslov } 356505866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3566c5d326b2SVlad Buslov rcu_read_unlock(); 3567e3a2b7edSAmir Vadai 35685a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3569e3a2b7edSAmir Vadai 3570e3a2b7edSAmir Vadai return 0; 3571c5d326b2SVlad Buslov 3572c5d326b2SVlad Buslov errout: 3573c5d326b2SVlad Buslov rcu_read_unlock(); 3574c5d326b2SVlad Buslov return err; 3575e3a2b7edSAmir Vadai } 3576e3a2b7edSAmir Vadai 357771d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 3578226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3579aad7e08dSAmir Vadai { 358004de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3581d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 358204de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3583aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3584aad7e08dSAmir Vadai struct mlx5_fc *counter; 3585316d5f72SRoi Dayan u64 lastuse = 0; 3586316d5f72SRoi Dayan u64 packets = 0; 3587316d5f72SRoi Dayan u64 bytes = 0; 35885a7e5bcbSVlad Buslov int err = 0; 3589aad7e08dSAmir Vadai 3590c5d326b2SVlad Buslov rcu_read_lock(); 3591c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 35925a7e5bcbSVlad Buslov tc_ht_params)); 3593c5d326b2SVlad Buslov rcu_read_unlock(); 35945a7e5bcbSVlad Buslov if (IS_ERR(flow)) 35955a7e5bcbSVlad Buslov return PTR_ERR(flow); 35965a7e5bcbSVlad Buslov 35975a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 35985a7e5bcbSVlad Buslov err = -EINVAL; 35995a7e5bcbSVlad Buslov goto errout; 36005a7e5bcbSVlad Buslov } 3601aad7e08dSAmir Vadai 3602226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 3603b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3604aad7e08dSAmir Vadai if (!counter) 36055a7e5bcbSVlad Buslov goto errout; 3606aad7e08dSAmir Vadai 3607aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3608316d5f72SRoi Dayan } 3609aad7e08dSAmir Vadai 3610316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3611316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3612316d5f72SRoi Dayan */ 361304de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 361404de7ddaSRoi Dayan if (!peer_esw) 361504de7ddaSRoi Dayan goto out; 361604de7ddaSRoi Dayan 3617226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 3618226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 361904de7ddaSRoi Dayan u64 bytes2; 362004de7ddaSRoi Dayan u64 packets2; 362104de7ddaSRoi Dayan u64 lastuse2; 362204de7ddaSRoi Dayan 362304de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3624316d5f72SRoi Dayan if (!counter) 3625316d5f72SRoi Dayan goto no_peer_counter; 362604de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 362704de7ddaSRoi Dayan 362804de7ddaSRoi Dayan bytes += bytes2; 362904de7ddaSRoi Dayan packets += packets2; 363004de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 363104de7ddaSRoi Dayan } 363204de7ddaSRoi Dayan 3633316d5f72SRoi Dayan no_peer_counter: 363404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 363504de7ddaSRoi Dayan out: 36363b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 36375a7e5bcbSVlad Buslov errout: 36385a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 36395a7e5bcbSVlad Buslov return err; 3640aad7e08dSAmir Vadai } 3641aad7e08dSAmir Vadai 3642fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 3643fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 3644fcb64c0fSEli Cohen { 3645fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3646fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 3647fcb64c0fSEli Cohen u16 vport_num; 3648fcb64c0fSEli Cohen u32 rate_mbps; 3649fcb64c0fSEli Cohen int err; 3650fcb64c0fSEli Cohen 3651fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 3652fcb64c0fSEli Cohen /* rate is given in bytes/sec. 3653fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 3654fcb64c0fSEli Cohen * mbit means million bits. 3655fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 3656fcb64c0fSEli Cohen * 1 mbit/sec. 3657fcb64c0fSEli Cohen */ 3658fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 3659fcb64c0fSEli Cohen vport_num = rpriv->rep->vport; 3660fcb64c0fSEli Cohen 3661fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 3662fcb64c0fSEli Cohen if (err) 3663fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 3664fcb64c0fSEli Cohen 3665fcb64c0fSEli Cohen return err; 3666fcb64c0fSEli Cohen } 3667fcb64c0fSEli Cohen 3668fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 3669fcb64c0fSEli Cohen struct flow_action *flow_action, 3670fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 3671fcb64c0fSEli Cohen { 3672fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3673fcb64c0fSEli Cohen const struct flow_action_entry *act; 3674fcb64c0fSEli Cohen int err; 3675fcb64c0fSEli Cohen int i; 3676fcb64c0fSEli Cohen 3677fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 3678fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 3679fcb64c0fSEli Cohen return -EINVAL; 3680fcb64c0fSEli Cohen } 3681fcb64c0fSEli Cohen 3682fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 3683fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 3684fcb64c0fSEli Cohen return -EOPNOTSUPP; 3685fcb64c0fSEli Cohen } 3686fcb64c0fSEli Cohen 3687fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 3688fcb64c0fSEli Cohen switch (act->id) { 3689fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 3690fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 3691fcb64c0fSEli Cohen if (err) 3692fcb64c0fSEli Cohen return err; 3693fcb64c0fSEli Cohen 3694fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 3695fcb64c0fSEli Cohen break; 3696fcb64c0fSEli Cohen default: 3697fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 3698fcb64c0fSEli Cohen return -EOPNOTSUPP; 3699fcb64c0fSEli Cohen } 3700fcb64c0fSEli Cohen } 3701fcb64c0fSEli Cohen 3702fcb64c0fSEli Cohen return 0; 3703fcb64c0fSEli Cohen } 3704fcb64c0fSEli Cohen 3705fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 3706fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3707fcb64c0fSEli Cohen { 3708fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 3709fcb64c0fSEli Cohen int prio = TC_H_MAJ(ma->common.prio) >> 16; 3710fcb64c0fSEli Cohen 3711fcb64c0fSEli Cohen if (prio != 1) { 3712fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 3713fcb64c0fSEli Cohen return -EINVAL; 3714fcb64c0fSEli Cohen } 3715fcb64c0fSEli Cohen 3716fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 3717fcb64c0fSEli Cohen } 3718fcb64c0fSEli Cohen 3719fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 3720fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3721fcb64c0fSEli Cohen { 3722fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 3723fcb64c0fSEli Cohen 3724fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 3725fcb64c0fSEli Cohen } 3726fcb64c0fSEli Cohen 3727fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 3728fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 3729fcb64c0fSEli Cohen { 3730fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 3731fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 3732fcb64c0fSEli Cohen u64 dbytes; 3733fcb64c0fSEli Cohen u64 dpkts; 3734fcb64c0fSEli Cohen 3735fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 3736fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 3737fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 3738fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 3739fcb64c0fSEli Cohen flow_stats_update(&ma->stats, dpkts, dbytes, jiffies); 3740fcb64c0fSEli Cohen } 3741fcb64c0fSEli Cohen 37424d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 37434d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 37444d8fcf21SAlaa Hleihel { 37454d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 37464d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 37474d8fcf21SAlaa Hleihel u16 peer_vhca_id; 37484d8fcf21SAlaa Hleihel int bkt; 37494d8fcf21SAlaa Hleihel 37504d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 37514d8fcf21SAlaa Hleihel return; 37524d8fcf21SAlaa Hleihel 37534d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 37544d8fcf21SAlaa Hleihel 37554d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 37564d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 37574d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 37584d8fcf21SAlaa Hleihel } 37594d8fcf21SAlaa Hleihel } 37604d8fcf21SAlaa Hleihel 37614d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 37624d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 37634d8fcf21SAlaa Hleihel { 37644d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 37654d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 37664d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 37674d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 37684d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 37694d8fcf21SAlaa Hleihel 37704d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 37714d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 37724d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 37734d8fcf21SAlaa Hleihel return NOTIFY_DONE; 37744d8fcf21SAlaa Hleihel 37754d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 37764d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 37774d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 37784d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 37794d8fcf21SAlaa Hleihel if (priv == peer_priv || 37804d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 37814d8fcf21SAlaa Hleihel return NOTIFY_DONE; 37824d8fcf21SAlaa Hleihel 37834d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 37844d8fcf21SAlaa Hleihel 37854d8fcf21SAlaa Hleihel return NOTIFY_DONE; 37864d8fcf21SAlaa Hleihel } 37874d8fcf21SAlaa Hleihel 3788655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3789e8f887acSAmir Vadai { 3790acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 37914d8fcf21SAlaa Hleihel int err; 3792e8f887acSAmir Vadai 3793b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 379411c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 37955c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 379611c9c548SOr Gerlitz 37974d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 37984d8fcf21SAlaa Hleihel if (err) 37994d8fcf21SAlaa Hleihel return err; 38004d8fcf21SAlaa Hleihel 38014d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 38024d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 38034d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 38044d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 38054d8fcf21SAlaa Hleihel } 38064d8fcf21SAlaa Hleihel 38074d8fcf21SAlaa Hleihel return err; 3808e8f887acSAmir Vadai } 3809e8f887acSAmir Vadai 3810e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3811e8f887acSAmir Vadai { 3812e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3813655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3814e8f887acSAmir Vadai 3815961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3816e8f887acSAmir Vadai kfree(flow); 3817e8f887acSAmir Vadai } 3818e8f887acSAmir Vadai 3819655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3820e8f887acSAmir Vadai { 3821acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3822e8f887acSAmir Vadai 38234d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 38244d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 38254d8fcf21SAlaa Hleihel 3826d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 3827e8f887acSAmir Vadai 3828acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3829acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3830acff797cSMaor Gottlieb tc->t = NULL; 3831e8f887acSAmir Vadai } 3832b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 3833e8f887acSAmir Vadai } 3834655dc3d2SOr Gerlitz 3835655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3836655dc3d2SOr Gerlitz { 3837655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3838655dc3d2SOr Gerlitz } 3839655dc3d2SOr Gerlitz 3840655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3841655dc3d2SOr Gerlitz { 3842655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3843655dc3d2SOr Gerlitz } 384401252a27SOr Gerlitz 3845226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 384601252a27SOr Gerlitz { 3847d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 384801252a27SOr Gerlitz 384901252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 385001252a27SOr Gerlitz } 385104de7ddaSRoi Dayan 385204de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 385304de7ddaSRoi Dayan { 385404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 385504de7ddaSRoi Dayan 385604de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 385704de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 385804de7ddaSRoi Dayan } 3859b4a23329SRoi Dayan 3860b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 3861b4a23329SRoi Dayan { 3862b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 3863b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 3864b4a23329SRoi Dayan reoffload_flows_work); 3865b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 3866b4a23329SRoi Dayan 3867ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 3868b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 3869b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 3870ad86755bSVlad Buslov unready_flow_del(flow); 3871b4a23329SRoi Dayan } 3872ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 3873b4a23329SRoi Dayan } 3874