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 6960bd4af8SOr Gerlitz #define MLX5E_TC_FLOW_BASE (MLX5E_TC_LAST_EXPORTED_BIT + 1) 7060bd4af8SOr Gerlitz 7165ba8fb7SOr Gerlitz enum { 7260bd4af8SOr Gerlitz MLX5E_TC_FLOW_INGRESS = MLX5E_TC_INGRESS, 7360bd4af8SOr Gerlitz MLX5E_TC_FLOW_EGRESS = MLX5E_TC_EGRESS, 74d9ee0491SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = MLX5E_TC_ESW_OFFLOAD, 75d9ee0491SOr Gerlitz MLX5E_TC_FLOW_NIC = MLX5E_TC_NIC_OFFLOAD, 76d9ee0491SOr Gerlitz MLX5E_TC_FLOW_OFFLOADED = BIT(MLX5E_TC_FLOW_BASE), 77d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(MLX5E_TC_FLOW_BASE + 1), 78d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(MLX5E_TC_FLOW_BASE + 2), 79d9ee0491SOr Gerlitz MLX5E_TC_FLOW_SLOW = BIT(MLX5E_TC_FLOW_BASE + 3), 80d9ee0491SOr Gerlitz MLX5E_TC_FLOW_DUP = BIT(MLX5E_TC_FLOW_BASE + 4), 81ef06c9eeSRoi Dayan MLX5E_TC_FLOW_NOT_READY = BIT(MLX5E_TC_FLOW_BASE + 5), 8265ba8fb7SOr Gerlitz }; 8365ba8fb7SOr Gerlitz 84e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 85e4ad91f2SChris Mi 8679baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 8779baaec7SEli Britstein * Containing struct 8879baaec7SEli Britstein * |- Helper array 8979baaec7SEli Britstein * [0] Helper item 0 9079baaec7SEli Britstein * |- list_head item 0 9179baaec7SEli Britstein * |- index (0) 9279baaec7SEli Britstein * [1] Helper item 1 9379baaec7SEli Britstein * |- list_head item 1 9479baaec7SEli Britstein * |- index (1) 9579baaec7SEli Britstein * To access the containing struct from one of the list_head items: 9679baaec7SEli Britstein * 1. Get the helper item from the list_head item using 9779baaec7SEli Britstein * helper item = 9879baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 9979baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 10079baaec7SEli Britstein * containing struct = 10179baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 10279baaec7SEli Britstein */ 10379baaec7SEli Britstein struct encap_flow_item { 10479baaec7SEli Britstein struct list_head list; 10579baaec7SEli Britstein int index; 10679baaec7SEli Britstein }; 10779baaec7SEli Britstein 108e8f887acSAmir Vadai struct mlx5e_tc_flow { 109e8f887acSAmir Vadai struct rhash_head node; 110655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 111e8f887acSAmir Vadai u64 cookie; 1125dbe906fSPaul Blakey u16 flags; 113e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11479baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 11579baaec7SEli Britstein * The number of encaps is bounded by the number of supported 11679baaec7SEli Britstein * destinations. 11779baaec7SEli Britstein */ 11879baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 11904de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 12011c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 1215c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 12204de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 123b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1245a7e5bcbSVlad Buslov refcount_t refcnt; 1253bc4b7bfSOr Gerlitz union { 126ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1273bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1283bc4b7bfSOr Gerlitz }; 129e8f887acSAmir Vadai }; 130e8f887acSAmir Vadai 13117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1321f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 133d11afc26SOz Shlomo struct net_device *filter_dev; 13417091853SOr Gerlitz struct mlx5_flow_spec spec; 135d79b6df6SOr Gerlitz int num_mod_hdr_actions; 136218d05ceSTonghao Zhang int max_mod_hdr_actions; 137d79b6df6SOr Gerlitz void *mod_hdr_actions; 13898b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 13917091853SOr Gerlitz }; 14017091853SOr Gerlitz 141acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 142b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 143e8f887acSAmir Vadai 14477ab67b7SOr Gerlitz struct mlx5e_hairpin { 14577ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 14677ab67b7SOr Gerlitz 14777ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1483f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 14977ab67b7SOr Gerlitz u32 tdn; 15077ab67b7SOr Gerlitz u32 tirn; 1513f6d08d1SOr Gerlitz 1523f6d08d1SOr Gerlitz int num_channels; 1533f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1543f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1553f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 15677ab67b7SOr Gerlitz }; 15777ab67b7SOr Gerlitz 1585c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1595c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1605c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1615c65c564SOr Gerlitz 1625c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1635c65c564SOr Gerlitz struct list_head flows; 1645c65c564SOr Gerlitz 165d8822868SOr Gerlitz u16 peer_vhca_id; 166106be53bSOr Gerlitz u8 prio; 1675c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1685c65c564SOr Gerlitz }; 1695c65c564SOr Gerlitz 17011c9c548SOr Gerlitz struct mod_hdr_key { 17111c9c548SOr Gerlitz int num_actions; 17211c9c548SOr Gerlitz void *actions; 17311c9c548SOr Gerlitz }; 17411c9c548SOr Gerlitz 17511c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 17611c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 17711c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 17811c9c548SOr Gerlitz 17911c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 18011c9c548SOr Gerlitz struct list_head flows; 18111c9c548SOr Gerlitz 18211c9c548SOr Gerlitz struct mod_hdr_key key; 18311c9c548SOr Gerlitz 18411c9c548SOr Gerlitz u32 mod_hdr_id; 18511c9c548SOr Gerlitz }; 18611c9c548SOr Gerlitz 18711c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 18811c9c548SOr Gerlitz 1895a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1905a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 1915a7e5bcbSVlad Buslov 1925a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 1935a7e5bcbSVlad Buslov { 1945a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 1955a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 1965a7e5bcbSVlad Buslov return flow; 1975a7e5bcbSVlad Buslov } 1985a7e5bcbSVlad Buslov 1995a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 2005a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 2015a7e5bcbSVlad Buslov { 2025a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 2035a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 2045a7e5bcbSVlad Buslov kfree(flow); 2055a7e5bcbSVlad Buslov } 2065a7e5bcbSVlad Buslov } 2075a7e5bcbSVlad Buslov 20811c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 20911c9c548SOr Gerlitz { 21011c9c548SOr Gerlitz return jhash(key->actions, 21111c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 21211c9c548SOr Gerlitz } 21311c9c548SOr Gerlitz 21411c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 21511c9c548SOr Gerlitz struct mod_hdr_key *b) 21611c9c548SOr Gerlitz { 21711c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 21811c9c548SOr Gerlitz return 1; 21911c9c548SOr Gerlitz 22011c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 22111c9c548SOr Gerlitz } 22211c9c548SOr Gerlitz 22311c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 22411c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 22511c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 22611c9c548SOr Gerlitz { 22711c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 22811c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 22911c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 23011c9c548SOr Gerlitz struct mod_hdr_key key; 23111c9c548SOr Gerlitz bool found = false; 23211c9c548SOr Gerlitz u32 hash_key; 23311c9c548SOr Gerlitz 23411c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 23511c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 23611c9c548SOr Gerlitz 23711c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 23811c9c548SOr Gerlitz key.num_actions = num_actions; 23911c9c548SOr Gerlitz 24011c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 24111c9c548SOr Gerlitz 24211c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 24311c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 24411c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 24511c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 24611c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 24711c9c548SOr Gerlitz found = true; 24811c9c548SOr Gerlitz break; 24911c9c548SOr Gerlitz } 25011c9c548SOr Gerlitz } 25111c9c548SOr Gerlitz } else { 25211c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 25311c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 25411c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 25511c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 25611c9c548SOr Gerlitz found = true; 25711c9c548SOr Gerlitz break; 25811c9c548SOr Gerlitz } 25911c9c548SOr Gerlitz } 26011c9c548SOr Gerlitz } 26111c9c548SOr Gerlitz 26211c9c548SOr Gerlitz if (found) 26311c9c548SOr Gerlitz goto attach_flow; 26411c9c548SOr Gerlitz 26511c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 26611c9c548SOr Gerlitz if (!mh) 26711c9c548SOr Gerlitz return -ENOMEM; 26811c9c548SOr Gerlitz 26911c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 27011c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 27111c9c548SOr Gerlitz mh->key.num_actions = num_actions; 27211c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 27311c9c548SOr Gerlitz 27411c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 27511c9c548SOr Gerlitz mh->key.num_actions, 27611c9c548SOr Gerlitz mh->key.actions, 27711c9c548SOr Gerlitz &mh->mod_hdr_id); 27811c9c548SOr Gerlitz if (err) 27911c9c548SOr Gerlitz goto out_err; 28011c9c548SOr Gerlitz 28111c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 28211c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 28311c9c548SOr Gerlitz else 28411c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 28511c9c548SOr Gerlitz 28611c9c548SOr Gerlitz attach_flow: 28711c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 28811c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 28911c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 29011c9c548SOr Gerlitz else 29111c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 29211c9c548SOr Gerlitz 29311c9c548SOr Gerlitz return 0; 29411c9c548SOr Gerlitz 29511c9c548SOr Gerlitz out_err: 29611c9c548SOr Gerlitz kfree(mh); 29711c9c548SOr Gerlitz return err; 29811c9c548SOr Gerlitz } 29911c9c548SOr Gerlitz 30011c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 30111c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 30211c9c548SOr Gerlitz { 30311c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 30411c9c548SOr Gerlitz 3055a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 3065a7e5bcbSVlad Buslov if (list_empty(&flow->mod_hdr)) 3075a7e5bcbSVlad Buslov return; 3085a7e5bcbSVlad Buslov 30911c9c548SOr Gerlitz list_del(&flow->mod_hdr); 31011c9c548SOr Gerlitz 31111c9c548SOr Gerlitz if (list_empty(next)) { 31211c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 31311c9c548SOr Gerlitz 31411c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 31511c9c548SOr Gerlitz 31611c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 31711c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 31811c9c548SOr Gerlitz kfree(mh); 31911c9c548SOr Gerlitz } 32011c9c548SOr Gerlitz } 32111c9c548SOr Gerlitz 32277ab67b7SOr Gerlitz static 32377ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 32477ab67b7SOr Gerlitz { 32577ab67b7SOr Gerlitz struct net_device *netdev; 32677ab67b7SOr Gerlitz struct mlx5e_priv *priv; 32777ab67b7SOr Gerlitz 32877ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 32977ab67b7SOr Gerlitz priv = netdev_priv(netdev); 33077ab67b7SOr Gerlitz return priv->mdev; 33177ab67b7SOr Gerlitz } 33277ab67b7SOr Gerlitz 33377ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 33477ab67b7SOr Gerlitz { 33577ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 33677ab67b7SOr Gerlitz void *tirc; 33777ab67b7SOr Gerlitz int err; 33877ab67b7SOr Gerlitz 33977ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 34077ab67b7SOr Gerlitz if (err) 34177ab67b7SOr Gerlitz goto alloc_tdn_err; 34277ab67b7SOr Gerlitz 34377ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 34477ab67b7SOr Gerlitz 34577ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 346ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 34777ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 34877ab67b7SOr Gerlitz 34977ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 35077ab67b7SOr Gerlitz if (err) 35177ab67b7SOr Gerlitz goto create_tir_err; 35277ab67b7SOr Gerlitz 35377ab67b7SOr Gerlitz return 0; 35477ab67b7SOr Gerlitz 35577ab67b7SOr Gerlitz create_tir_err: 35677ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 35777ab67b7SOr Gerlitz alloc_tdn_err: 35877ab67b7SOr Gerlitz return err; 35977ab67b7SOr Gerlitz } 36077ab67b7SOr Gerlitz 36177ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 36277ab67b7SOr Gerlitz { 36377ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 36477ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 36577ab67b7SOr Gerlitz } 36677ab67b7SOr Gerlitz 3673f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3683f6d08d1SOr Gerlitz { 3693f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3703f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3713f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3723f6d08d1SOr Gerlitz 3733f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3743f6d08d1SOr Gerlitz hp->num_channels); 3753f6d08d1SOr Gerlitz 3763f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3773f6d08d1SOr Gerlitz ix = i; 378bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 3793f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3803f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3813f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3823f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3833f6d08d1SOr Gerlitz } 3843f6d08d1SOr Gerlitz } 3853f6d08d1SOr Gerlitz 3863f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3873f6d08d1SOr Gerlitz { 3883f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3893f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3903f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3913f6d08d1SOr Gerlitz void *rqtc; 3923f6d08d1SOr Gerlitz u32 *in; 3933f6d08d1SOr Gerlitz 3943f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3953f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3963f6d08d1SOr Gerlitz if (!in) 3973f6d08d1SOr Gerlitz return -ENOMEM; 3983f6d08d1SOr Gerlitz 3993f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 4003f6d08d1SOr Gerlitz 4013f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 4023f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 4033f6d08d1SOr Gerlitz 4043f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 4053f6d08d1SOr Gerlitz 4063f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 4073f6d08d1SOr Gerlitz if (!err) 4083f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 4093f6d08d1SOr Gerlitz 4103f6d08d1SOr Gerlitz kvfree(in); 4113f6d08d1SOr Gerlitz return err; 4123f6d08d1SOr Gerlitz } 4133f6d08d1SOr Gerlitz 4143f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 4153f6d08d1SOr Gerlitz { 4163f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4173f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 4183f6d08d1SOr Gerlitz int tt, i, err; 4193f6d08d1SOr Gerlitz void *tirc; 4203f6d08d1SOr Gerlitz 4213f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 422d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 423d930ac79SAya Levin 4243f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 4253f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 4263f6d08d1SOr Gerlitz 4273f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 4283f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 4293f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 430bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 431bbeb53b8SAya Levin 4323f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 4333f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 4343f6d08d1SOr Gerlitz if (err) { 4353f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 4363f6d08d1SOr Gerlitz goto err_destroy_tirs; 4373f6d08d1SOr Gerlitz } 4383f6d08d1SOr Gerlitz } 4393f6d08d1SOr Gerlitz return 0; 4403f6d08d1SOr Gerlitz 4413f6d08d1SOr Gerlitz err_destroy_tirs: 4423f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 4433f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 4443f6d08d1SOr Gerlitz return err; 4453f6d08d1SOr Gerlitz } 4463f6d08d1SOr Gerlitz 4473f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 4483f6d08d1SOr Gerlitz { 4493f6d08d1SOr Gerlitz int tt; 4503f6d08d1SOr Gerlitz 4513f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4523f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 4533f6d08d1SOr Gerlitz } 4543f6d08d1SOr Gerlitz 4553f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 4563f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 4573f6d08d1SOr Gerlitz { 4583f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4593f6d08d1SOr Gerlitz int tt; 4603f6d08d1SOr Gerlitz 4613f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4623f6d08d1SOr Gerlitz 4633f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4643f6d08d1SOr Gerlitz 4653f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4663f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4673f6d08d1SOr Gerlitz 4683f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4693f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4703f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4713f6d08d1SOr Gerlitz } 4723f6d08d1SOr Gerlitz 4733f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4743f6d08d1SOr Gerlitz { 4753f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4763f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4773f6d08d1SOr Gerlitz int err; 4783f6d08d1SOr Gerlitz 4793f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4803f6d08d1SOr Gerlitz if (err) 4813f6d08d1SOr Gerlitz return err; 4823f6d08d1SOr Gerlitz 4833f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4843f6d08d1SOr Gerlitz if (err) 4853f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4863f6d08d1SOr Gerlitz 4873f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4883f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4893f6d08d1SOr Gerlitz if (err) 4903f6d08d1SOr Gerlitz goto err_create_ttc_table; 4913f6d08d1SOr Gerlitz 4923f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4933f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4943f6d08d1SOr Gerlitz 4953f6d08d1SOr Gerlitz return 0; 4963f6d08d1SOr Gerlitz 4973f6d08d1SOr Gerlitz err_create_ttc_table: 4983f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4993f6d08d1SOr Gerlitz err_create_indirect_tirs: 5003f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 5013f6d08d1SOr Gerlitz 5023f6d08d1SOr Gerlitz return err; 5033f6d08d1SOr Gerlitz } 5043f6d08d1SOr Gerlitz 5053f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 5063f6d08d1SOr Gerlitz { 5073f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5083f6d08d1SOr Gerlitz 5093f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 5103f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 5113f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 5123f6d08d1SOr Gerlitz } 5133f6d08d1SOr Gerlitz 51477ab67b7SOr Gerlitz static struct mlx5e_hairpin * 51577ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 51677ab67b7SOr Gerlitz int peer_ifindex) 51777ab67b7SOr Gerlitz { 51877ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 51977ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 52077ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 52177ab67b7SOr Gerlitz int err; 52277ab67b7SOr Gerlitz 52377ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 52477ab67b7SOr Gerlitz if (!hp) 52577ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 52677ab67b7SOr Gerlitz 52777ab67b7SOr Gerlitz func_mdev = priv->mdev; 52877ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 52977ab67b7SOr Gerlitz 53077ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 53177ab67b7SOr Gerlitz if (IS_ERR(pair)) { 53277ab67b7SOr Gerlitz err = PTR_ERR(pair); 53377ab67b7SOr Gerlitz goto create_pair_err; 53477ab67b7SOr Gerlitz } 53577ab67b7SOr Gerlitz hp->pair = pair; 53677ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 5373f6d08d1SOr Gerlitz hp->func_priv = priv; 5383f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 53977ab67b7SOr Gerlitz 54077ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 54177ab67b7SOr Gerlitz if (err) 54277ab67b7SOr Gerlitz goto create_transport_err; 54377ab67b7SOr Gerlitz 5443f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 5453f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 5463f6d08d1SOr Gerlitz if (err) 5473f6d08d1SOr Gerlitz goto rss_init_err; 5483f6d08d1SOr Gerlitz } 5493f6d08d1SOr Gerlitz 55077ab67b7SOr Gerlitz return hp; 55177ab67b7SOr Gerlitz 5523f6d08d1SOr Gerlitz rss_init_err: 5533f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 55477ab67b7SOr Gerlitz create_transport_err: 55577ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 55677ab67b7SOr Gerlitz create_pair_err: 55777ab67b7SOr Gerlitz kfree(hp); 55877ab67b7SOr Gerlitz return ERR_PTR(err); 55977ab67b7SOr Gerlitz } 56077ab67b7SOr Gerlitz 56177ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 56277ab67b7SOr Gerlitz { 5633f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5643f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 56577ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 56677ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 56777ab67b7SOr Gerlitz kvfree(hp); 56877ab67b7SOr Gerlitz } 56977ab67b7SOr Gerlitz 570106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 571106be53bSOr Gerlitz { 572106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 573106be53bSOr Gerlitz } 574106be53bSOr Gerlitz 5755c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 576106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5775c65c564SOr Gerlitz { 5785c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 579106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5805c65c564SOr Gerlitz 5815c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 582106be53bSOr Gerlitz hairpin_hlist, hash_key) { 583106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5845c65c564SOr Gerlitz return hpe; 5855c65c564SOr Gerlitz } 5865c65c564SOr Gerlitz 5875c65c564SOr Gerlitz return NULL; 5885c65c564SOr Gerlitz } 5895c65c564SOr Gerlitz 590106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 591106be53bSOr Gerlitz 592106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 593e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 594e98bedf5SEli Britstein struct netlink_ext_ack *extack) 595106be53bSOr Gerlitz { 596106be53bSOr Gerlitz void *headers_c, *headers_v; 597106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 598106be53bSOr Gerlitz bool vlan_present; 599106be53bSOr Gerlitz 600106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 601106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 602e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 603e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 604106be53bSOr Gerlitz return -EOPNOTSUPP; 605106be53bSOr Gerlitz } 606106be53bSOr Gerlitz #endif 607106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 608106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 609106be53bSOr Gerlitz 610106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 611106be53bSOr Gerlitz if (vlan_present) { 612106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 613106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 614106be53bSOr Gerlitz } 615106be53bSOr Gerlitz 616106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 617106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 618106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 619e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 620e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 621106be53bSOr Gerlitz return -EOPNOTSUPP; 622106be53bSOr Gerlitz } 623106be53bSOr Gerlitz 624106be53bSOr Gerlitz *match_prio = prio_val; 625106be53bSOr Gerlitz return 0; 626106be53bSOr Gerlitz } 627106be53bSOr Gerlitz 6285c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 6295c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 630e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 631e98bedf5SEli Britstein struct netlink_ext_ack *extack) 6325c65c564SOr Gerlitz { 63398b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 6345c65c564SOr Gerlitz struct mlx5_hairpin_params params; 635d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 6365c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6375c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 6383f6d08d1SOr Gerlitz u64 link_speed64; 6393f6d08d1SOr Gerlitz u32 link_speed; 640106be53bSOr Gerlitz u8 match_prio; 641d8822868SOr Gerlitz u16 peer_id; 6425c65c564SOr Gerlitz int err; 6435c65c564SOr Gerlitz 644d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 645d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 646e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 6475c65c564SOr Gerlitz return -EOPNOTSUPP; 6485c65c564SOr Gerlitz } 6495c65c564SOr Gerlitz 650d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 651e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 652e98bedf5SEli Britstein extack); 653106be53bSOr Gerlitz if (err) 654106be53bSOr Gerlitz return err; 655106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 6565c65c564SOr Gerlitz if (hpe) 6575c65c564SOr Gerlitz goto attach_flow; 6585c65c564SOr Gerlitz 6595c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6605c65c564SOr Gerlitz if (!hpe) 6615c65c564SOr Gerlitz return -ENOMEM; 6625c65c564SOr Gerlitz 6635c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 664d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 665106be53bSOr Gerlitz hpe->prio = match_prio; 6665c65c564SOr Gerlitz 6675c65c564SOr Gerlitz params.log_data_size = 15; 6685c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6695c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6705c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6715c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6725c65c564SOr Gerlitz 673eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 674eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 675eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 676eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 677eb9180f7SOr Gerlitz 678eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6793f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6802c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6813f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6823f6d08d1SOr Gerlitz link_speed64 = link_speed; 6833f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6843f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6853f6d08d1SOr Gerlitz 6865c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6875c65c564SOr Gerlitz if (IS_ERR(hp)) { 6885c65c564SOr Gerlitz err = PTR_ERR(hp); 6895c65c564SOr Gerlitz goto create_hairpin_err; 6905c65c564SOr Gerlitz } 6915c65c564SOr Gerlitz 692eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 69327b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 69427b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 695eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6965c65c564SOr Gerlitz 6975c65c564SOr Gerlitz hpe->hp = hp; 698106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 699106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 7005c65c564SOr Gerlitz 7015c65c564SOr Gerlitz attach_flow: 7023f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 7033f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 7043f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 7053f6d08d1SOr Gerlitz } else { 7065c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 7073f6d08d1SOr Gerlitz } 7085c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 7093f6d08d1SOr Gerlitz 7105c65c564SOr Gerlitz return 0; 7115c65c564SOr Gerlitz 7125c65c564SOr Gerlitz create_hairpin_err: 7135c65c564SOr Gerlitz kfree(hpe); 7145c65c564SOr Gerlitz return err; 7155c65c564SOr Gerlitz } 7165c65c564SOr Gerlitz 7175c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 7185c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 7195c65c564SOr Gerlitz { 7205c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 7215c65c564SOr Gerlitz 7225a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 7235a7e5bcbSVlad Buslov if (list_empty(&flow->hairpin)) 7245a7e5bcbSVlad Buslov return; 7255a7e5bcbSVlad Buslov 7265c65c564SOr Gerlitz list_del(&flow->hairpin); 7275c65c564SOr Gerlitz 7285c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 7295c65c564SOr Gerlitz if (list_empty(next)) { 7305c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7315c65c564SOr Gerlitz 7325c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 7335c65c564SOr Gerlitz 7345c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 73527b942fbSParav Pandit dev_name(hpe->hp->pair->peer_mdev->device)); 7365c65c564SOr Gerlitz 7375c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 7385c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 7395c65c564SOr Gerlitz kfree(hpe); 7405c65c564SOr Gerlitz } 7415c65c564SOr Gerlitz } 7425c65c564SOr Gerlitz 743c83954abSRabie Loulou static int 74474491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 74517091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 746e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 747e98bedf5SEli Britstein struct netlink_ext_ack *extack) 748e8f887acSAmir Vadai { 749bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 750aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 751aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 7525c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 75366958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 7543bc4b7bfSOr Gerlitz .action = attr->action, 75560786f09SMark Bloch .reformat_id = 0, 756bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 75766958ed9SHadar Hen Zion }; 758aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 7595c65c564SOr Gerlitz int err, dest_ix = 0; 760e8f887acSAmir Vadai 761bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 762bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 763bb0ee7dcSJianbo Liu 7645c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 765e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7665a7e5bcbSVlad Buslov if (err) 7675a7e5bcbSVlad Buslov return err; 7685a7e5bcbSVlad Buslov 7693f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7703f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7713f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7723f6d08d1SOr Gerlitz } else { 7735c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7745c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7753f6d08d1SOr Gerlitz } 7763f6d08d1SOr Gerlitz dest_ix++; 7773f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7785c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7795c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7805c65c564SOr Gerlitz dest_ix++; 7815c65c564SOr Gerlitz } 782aad7e08dSAmir Vadai 7835c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7845c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7855a7e5bcbSVlad Buslov if (IS_ERR(counter)) 7865a7e5bcbSVlad Buslov return PTR_ERR(counter); 7875a7e5bcbSVlad Buslov 7885c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 789171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 7905c65c564SOr Gerlitz dest_ix++; 791b8aee822SMark Bloch attr->counter = counter; 792aad7e08dSAmir Vadai } 793aad7e08dSAmir Vadai 7942f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7953099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 796d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7972f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 798c83954abSRabie Loulou if (err) 7995a7e5bcbSVlad Buslov return err; 8002f4fe4caSOr Gerlitz } 8012f4fe4caSOr Gerlitz 802acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 80321b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 80421b9c144SOr Gerlitz u32 max_flow_counter; 80521b9c144SOr Gerlitz 80621b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 80721b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 80821b9c144SOr Gerlitz 80921b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 81021b9c144SOr Gerlitz 81121b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 81221b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 81321b9c144SOr Gerlitz 814acff797cSMaor Gottlieb priv->fs.tc.t = 815acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 816acff797cSMaor Gottlieb MLX5E_TC_PRIO, 81721b9c144SOr Gerlitz tc_tbl_size, 818acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 8193f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 820acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 821e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 822e98bedf5SEli Britstein "Failed to create tc offload table\n"); 823e8f887acSAmir Vadai netdev_err(priv->netdev, 824e8f887acSAmir Vadai "Failed to create tc offload table\n"); 8255a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 826e8f887acSAmir Vadai } 827e8f887acSAmir Vadai } 828e8f887acSAmir Vadai 82938aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 830d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 83138aa51c1SOr Gerlitz 832c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 8335c65c564SOr Gerlitz &flow_act, dest, dest_ix); 834e8f887acSAmir Vadai 8355a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 8365a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 837aad7e08dSAmir Vadai 838c83954abSRabie Loulou return 0; 839e8f887acSAmir Vadai } 840e8f887acSAmir Vadai 841d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 842d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 843d85cdccbSOr Gerlitz { 844513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 845d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 846d85cdccbSOr Gerlitz 847b8aee822SMark Bloch counter = attr->counter; 8485a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 849e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 850d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 851d85cdccbSOr Gerlitz 852d9ee0491SOr Gerlitz if (!mlx5e_tc_num_filters(priv, MLX5E_TC_NIC_OFFLOAD) && priv->fs.tc.t) { 853d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 854d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 855d85cdccbSOr Gerlitz } 8562f4fe4caSOr Gerlitz 857513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8583099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8595c65c564SOr Gerlitz 8605c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8615c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 862d85cdccbSOr Gerlitz } 863d85cdccbSOr Gerlitz 864aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 8658c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 866aa0cbbaeSOr Gerlitz 8673c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 868e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 869733d4f36SRoi Dayan struct net_device *mirred_dev, 870733d4f36SRoi Dayan int out_index, 8718c4dc42bSEli Britstein struct netlink_ext_ack *extack, 8720ad060eeSRoi Dayan struct net_device **encap_dev, 8730ad060eeSRoi Dayan bool *encap_valid); 8743c37745eSOr Gerlitz 8756d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 8766d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 8776d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8786d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 8796d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8806d2a3ed0SOr Gerlitz { 8816d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 8826d2a3ed0SOr Gerlitz 8836d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 8846d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 8856d2a3ed0SOr Gerlitz return rule; 8866d2a3ed0SOr Gerlitz 887e85e02baSEli Britstein if (attr->split_count) { 8886d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 8896d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 8906d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 8916d2a3ed0SOr Gerlitz return flow->rule[1]; 8926d2a3ed0SOr Gerlitz } 8936d2a3ed0SOr Gerlitz } 8946d2a3ed0SOr Gerlitz 8956d2a3ed0SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 8966d2a3ed0SOr Gerlitz return rule; 8976d2a3ed0SOr Gerlitz } 8986d2a3ed0SOr Gerlitz 8996d2a3ed0SOr Gerlitz static void 9006d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 9016d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 9026d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 9036d2a3ed0SOr Gerlitz { 9046d2a3ed0SOr Gerlitz flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 9056d2a3ed0SOr Gerlitz 906e85e02baSEli Britstein if (attr->split_count) 9076d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 9086d2a3ed0SOr Gerlitz 9096d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 9106d2a3ed0SOr Gerlitz } 9116d2a3ed0SOr Gerlitz 9125dbe906fSPaul Blakey static struct mlx5_flow_handle * 9135dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 9145dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9155dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 9165dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9175dbe906fSPaul Blakey { 9185dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 9195dbe906fSPaul Blakey 9205dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 921154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9222be09de7SDavid S. Miller slow_attr->split_count = 0; 923154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9245dbe906fSPaul Blakey 9255dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 9265dbe906fSPaul Blakey if (!IS_ERR(rule)) 9275dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_SLOW; 9285dbe906fSPaul Blakey 9295dbe906fSPaul Blakey return rule; 9305dbe906fSPaul Blakey } 9315dbe906fSPaul Blakey 9325dbe906fSPaul Blakey static void 9335dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 9345dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9355dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9365dbe906fSPaul Blakey { 9375dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 938154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9392be09de7SDavid S. Miller slow_attr->split_count = 0; 940154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9415dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 9425dbe906fSPaul Blakey flow->flags &= ~MLX5E_TC_FLOW_SLOW; 9435dbe906fSPaul Blakey } 9445dbe906fSPaul Blakey 945b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 946b4a23329SRoi Dayan { 947b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 948b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 949b4a23329SRoi Dayan struct mlx5_eswitch *esw; 950b4a23329SRoi Dayan 951b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 952b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 953b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 954b4a23329SRoi Dayan 955b4a23329SRoi Dayan flow->flags |= MLX5E_TC_FLOW_NOT_READY; 956b4a23329SRoi Dayan list_add_tail(&flow->unready, &uplink_priv->unready_flows); 957b4a23329SRoi Dayan } 958b4a23329SRoi Dayan 959b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 960b4a23329SRoi Dayan { 961b4a23329SRoi Dayan list_del(&flow->unready); 962b4a23329SRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_NOT_READY; 963b4a23329SRoi Dayan } 964b4a23329SRoi Dayan 965c83954abSRabie Loulou static int 96674491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 967e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 968e98bedf5SEli Britstein struct netlink_ext_ack *extack) 969adb4c123SOr Gerlitz { 970adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 971bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 972aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 9737040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 974bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 9753c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 976b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 9773c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 9783c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 9790ad060eeSRoi Dayan bool encap_valid = true; 9800ad060eeSRoi Dayan int err = 0; 981f493f155SEli Britstein int out_index; 9828b32580dSOr Gerlitz 983d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 984d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 985d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 986d14f6f2aSOr Gerlitz } 987e52c2802SPaul Blakey 988bf07aa73SPaul Blakey if (attr->chain > max_chain) { 989bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 9905a7e5bcbSVlad Buslov return -EOPNOTSUPP; 991bf07aa73SPaul Blakey } 992bf07aa73SPaul Blakey 993bf07aa73SPaul Blakey if (attr->prio > max_prio) { 994bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 9955a7e5bcbSVlad Buslov return -EOPNOTSUPP; 996bf07aa73SPaul Blakey } 997bf07aa73SPaul Blakey 998f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 9998c4dc42bSEli Britstein int mirred_ifindex; 10008c4dc42bSEli Britstein 1001f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1002f493f155SEli Britstein continue; 1003f493f155SEli Britstein 10047040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 10053c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 10068c4dc42bSEli Britstein mirred_ifindex); 1007733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 10080ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 10090ad060eeSRoi Dayan if (err) 10105a7e5bcbSVlad Buslov return err; 10110ad060eeSRoi Dayan 10123c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 10133c37745eSOr Gerlitz rpriv = out_priv->ppriv; 10141cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 10151cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 10163c37745eSOr Gerlitz } 10173c37745eSOr Gerlitz 10188b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1019c83954abSRabie Loulou if (err) 10205a7e5bcbSVlad Buslov return err; 1021adb4c123SOr Gerlitz 1022d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 10231a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1024d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1025c83954abSRabie Loulou if (err) 10265a7e5bcbSVlad Buslov return err; 1027d7e75a32SOr Gerlitz } 1028d7e75a32SOr Gerlitz 1029b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1030f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 10315a7e5bcbSVlad Buslov if (IS_ERR(counter)) 10325a7e5bcbSVlad Buslov return PTR_ERR(counter); 1033b8aee822SMark Bloch 1034b8aee822SMark Bloch attr->counter = counter; 1035b8aee822SMark Bloch } 1036b8aee822SMark Bloch 10370ad060eeSRoi Dayan /* we get here if one of the following takes place: 10380ad060eeSRoi Dayan * (1) there's no error 10390ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 10403c37745eSOr Gerlitz */ 10410ad060eeSRoi Dayan if (!encap_valid) { 10425dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 10435dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 10445dbe906fSPaul Blakey 10455dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 10465dbe906fSPaul Blakey } else { 10476d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 10485dbe906fSPaul Blakey } 10495dbe906fSPaul Blakey 10505a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 10515a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1052c83954abSRabie Loulou 10535dbe906fSPaul Blakey return 0; 1054aa0cbbaeSOr Gerlitz } 1055d85cdccbSOr Gerlitz 10569272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 10579272e3dfSYevgeny Kliteynik { 10589272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 10599272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 10609272e3dfSYevgeny Kliteynik spec->match_value, 10619272e3dfSYevgeny Kliteynik misc_parameters_3); 10629272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 10639272e3dfSYevgeny Kliteynik headers_v, 10649272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 10659272e3dfSYevgeny Kliteynik 10669272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 10679272e3dfSYevgeny Kliteynik } 10689272e3dfSYevgeny Kliteynik 1069d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1070d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1071d85cdccbSOr Gerlitz { 1072d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1073d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10745dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1075f493f155SEli Britstein int out_index; 1076d85cdccbSOr Gerlitz 1077ef06c9eeSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_NOT_READY) { 1078b4a23329SRoi Dayan remove_unready_flow(flow); 1079ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1080ef06c9eeSRoi Dayan return; 1081ef06c9eeSRoi Dayan } 1082ef06c9eeSRoi Dayan 10835dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 10845dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_SLOW) 10855dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10865dbe906fSPaul Blakey else 10875dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 10885dbe906fSPaul Blakey } 1089d85cdccbSOr Gerlitz 10909272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 10919272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 10929272e3dfSYevgeny Kliteynik 1093513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1094d85cdccbSOr Gerlitz 1095f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10968c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10978c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1098f493f155SEli Britstein kvfree(attr->parse_attr); 1099d7e75a32SOr Gerlitz 1100513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11011a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1102b8aee822SMark Bloch 1103b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1104f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1105d85cdccbSOr Gerlitz } 1106d85cdccbSOr Gerlitz 1107232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1108232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1109232c0013SHadar Hen Zion { 11103c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11115dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 11125a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 11136d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11146d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1115232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1116232c0013SHadar Hen Zion int err; 1117232c0013SHadar Hen Zion 111854c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 111954c177caSOz Shlomo e->reformat_type, 1120232c0013SHadar Hen Zion e->encap_size, e->encap_header, 112131ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1122232c0013SHadar Hen Zion &e->encap_id); 1123232c0013SHadar Hen Zion if (err) { 1124232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1125232c0013SHadar Hen Zion err); 1126232c0013SHadar Hen Zion return; 1127232c0013SHadar Hen Zion } 1128232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1129f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1130232c0013SHadar Hen Zion 11315a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 11328c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 11338c4dc42bSEli Britstein int i; 11348c4dc42bSEli Britstein 113579baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11365a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 11375a7e5bcbSVlad Buslov continue; 11385a7e5bcbSVlad Buslov 11393c37745eSOr Gerlitz esw_attr = flow->esw_attr; 11406d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 11416d2a3ed0SOr Gerlitz 11428c4dc42bSEli Britstein esw_attr->dests[efi->index].encap_id = e->encap_id; 11438c4dc42bSEli Britstein esw_attr->dests[efi->index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 11448c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 11458c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 11468c4dc42bSEli Britstein * a valid neighbour. 11478c4dc42bSEli Britstein */ 11488c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 11498c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 11508c4dc42bSEli Britstein continue; 11518c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 11528c4dc42bSEli Britstein all_flow_encaps_valid = false; 11538c4dc42bSEli Britstein break; 11548c4dc42bSEli Britstein } 11558c4dc42bSEli Britstein } 11568c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 11578c4dc42bSEli Britstein if (!all_flow_encaps_valid) 11585a7e5bcbSVlad Buslov goto loop_cont; 11595dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 11606d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 11616d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 11626d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1163232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1164232c0013SHadar Hen Zion err); 11655a7e5bcbSVlad Buslov goto loop_cont; 1166232c0013SHadar Hen Zion } 11675dbe906fSPaul Blakey 11685dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 11695dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when slow path rule removed */ 11706d2a3ed0SOr Gerlitz flow->rule[0] = rule; 11715a7e5bcbSVlad Buslov 11725a7e5bcbSVlad Buslov loop_cont: 11735a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 1174232c0013SHadar Hen Zion } 1175232c0013SHadar Hen Zion } 1176232c0013SHadar Hen Zion 1177232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1178232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1179232c0013SHadar Hen Zion { 11803c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11815dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 11825a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 11835dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11845dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1185232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 11865dbe906fSPaul Blakey int err; 1187232c0013SHadar Hen Zion 11885a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 118979baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11905a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 11915a7e5bcbSVlad Buslov continue; 11925a7e5bcbSVlad Buslov 11935dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 11945dbe906fSPaul Blakey 11955dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 11965dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 11978c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 11988c4dc42bSEli Britstein flow->esw_attr->dests[efi->index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 11995dbe906fSPaul Blakey 12005dbe906fSPaul Blakey if (IS_ERR(rule)) { 12015dbe906fSPaul Blakey err = PTR_ERR(rule); 12025dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 12035dbe906fSPaul Blakey err); 12045a7e5bcbSVlad Buslov goto loop_cont; 12055dbe906fSPaul Blakey } 12065dbe906fSPaul Blakey 12076d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 12085dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when fast path rule removed */ 12095dbe906fSPaul Blakey flow->rule[0] = rule; 12105a7e5bcbSVlad Buslov 12115a7e5bcbSVlad Buslov loop_cont: 12125a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 1213232c0013SHadar Hen Zion } 1214232c0013SHadar Hen Zion 121561c806daSOr Gerlitz /* we know that the encap is valid */ 1216232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 121760786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1218232c0013SHadar Hen Zion } 1219232c0013SHadar Hen Zion 1220b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1221b8aee822SMark Bloch { 1222b8aee822SMark Bloch if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1223b8aee822SMark Bloch return flow->esw_attr->counter; 1224b8aee822SMark Bloch else 1225b8aee822SMark Bloch return flow->nic_attr->counter; 1226b8aee822SMark Bloch } 1227b8aee822SMark Bloch 1228f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1229f6dfb4c3SHadar Hen Zion { 1230f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1231f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1232f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1233f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1234f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1235f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1236f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1237f6dfb4c3SHadar Hen Zion struct neighbour *n; 1238f6dfb4c3SHadar Hen Zion 1239f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1240f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1241f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1242f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1243423c9db2SOr Gerlitz tbl = &nd_tbl; 1244f6dfb4c3SHadar Hen Zion #endif 1245f6dfb4c3SHadar Hen Zion else 1246f6dfb4c3SHadar Hen Zion return; 1247f6dfb4c3SHadar Hen Zion 1248f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 12495a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 1250f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1251f6dfb4c3SHadar Hen Zion continue; 12525a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 125379baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 125479baaec7SEli Britstein encaps[efi->index]); 12555a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 12565a7e5bcbSVlad Buslov continue; 12575a7e5bcbSVlad Buslov 1258f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 1259b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 1260f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1261f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 12625a7e5bcbSVlad Buslov mlx5e_flow_put(netdev_priv(e->out_dev), flow); 1263f6dfb4c3SHadar Hen Zion neigh_used = true; 1264f6dfb4c3SHadar Hen Zion break; 1265f6dfb4c3SHadar Hen Zion } 1266f6dfb4c3SHadar Hen Zion } 12675a7e5bcbSVlad Buslov 12685a7e5bcbSVlad Buslov mlx5e_flow_put(netdev_priv(e->out_dev), flow); 1269f6dfb4c3SHadar Hen Zion } 1270e36d4810SRoi Dayan if (neigh_used) 1271e36d4810SRoi Dayan break; 1272f6dfb4c3SHadar Hen Zion } 1273f6dfb4c3SHadar Hen Zion 1274f6dfb4c3SHadar Hen Zion if (neigh_used) { 1275f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1276f6dfb4c3SHadar Hen Zion 1277f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1278f6dfb4c3SHadar Hen Zion * dst ip pair 1279f6dfb4c3SHadar Hen Zion */ 1280f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1281c7f7ba8dSRoi Dayan if (!n) 1282f6dfb4c3SHadar Hen Zion return; 1283f6dfb4c3SHadar Hen Zion 1284f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1285f6dfb4c3SHadar Hen Zion neigh_release(n); 1286f6dfb4c3SHadar Hen Zion } 1287f6dfb4c3SHadar Hen Zion } 1288f6dfb4c3SHadar Hen Zion 1289d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 12908c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index) 1291d85cdccbSOr Gerlitz { 12928c4dc42bSEli Britstein struct list_head *next = flow->encaps[out_index].list.next; 12935067b602SRoi Dayan 12945a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 12955a7e5bcbSVlad Buslov if (list_empty(&flow->encaps[out_index].list)) 12965a7e5bcbSVlad Buslov return; 12975a7e5bcbSVlad Buslov 12988c4dc42bSEli Britstein list_del(&flow->encaps[out_index].list); 12995067b602SRoi Dayan if (list_empty(next)) { 1300c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 13015067b602SRoi Dayan 1302c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1303232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1304232c0013SHadar Hen Zion 1305232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 130660786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1307232c0013SHadar Hen Zion 1308cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1309232c0013SHadar Hen Zion kfree(e->encap_header); 13105067b602SRoi Dayan kfree(e); 13115067b602SRoi Dayan } 13125067b602SRoi Dayan } 13135067b602SRoi Dayan 131404de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 131504de7ddaSRoi Dayan { 131604de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 131704de7ddaSRoi Dayan 131804de7ddaSRoi Dayan if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 131904de7ddaSRoi Dayan !(flow->flags & MLX5E_TC_FLOW_DUP)) 132004de7ddaSRoi Dayan return; 132104de7ddaSRoi Dayan 132204de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 132304de7ddaSRoi Dayan list_del(&flow->peer); 132404de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 132504de7ddaSRoi Dayan 132604de7ddaSRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_DUP; 132704de7ddaSRoi Dayan 132804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 132904de7ddaSRoi Dayan kvfree(flow->peer_flow); 133004de7ddaSRoi Dayan flow->peer_flow = NULL; 133104de7ddaSRoi Dayan } 133204de7ddaSRoi Dayan 133304de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 133404de7ddaSRoi Dayan { 133504de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 133604de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 133704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 133804de7ddaSRoi Dayan 133904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 134004de7ddaSRoi Dayan if (!peer_esw) 134104de7ddaSRoi Dayan return; 134204de7ddaSRoi Dayan 134304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 134404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 134504de7ddaSRoi Dayan } 134604de7ddaSRoi Dayan 1347e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1348961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1349e8f887acSAmir Vadai { 135004de7ddaSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 135104de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1352d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 135304de7ddaSRoi Dayan } else { 1354d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1355e8f887acSAmir Vadai } 135604de7ddaSRoi Dayan } 1357e8f887acSAmir Vadai 1358bbd00f7eSHadar Hen Zion 1359bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1360bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1361f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 13626363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1363bbd00f7eSHadar Hen Zion { 1364e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1365bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1366bbd00f7eSHadar Hen Zion outer_headers); 1367bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1368bbd00f7eSHadar Hen Zion outer_headers); 1369f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 13708f256622SPablo Neira Ayuso int err; 1371bbd00f7eSHadar Hen Zion 1372101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 13736363651dSOr Gerlitz headers_c, headers_v, match_level); 137454c177caSOz Shlomo if (err) { 137554c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 137654c177caSOz Shlomo "failed to parse tunnel attributes"); 1377101f4de9SOz Shlomo return err; 1378bbd00f7eSHadar Hen Zion } 1379bbd00f7eSHadar Hen Zion 1380d1bda7eeSTonghao Zhang if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) { 13818f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 13828f256622SPablo Neira Ayuso 13838f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1384bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1385bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13868f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1387bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1388bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13898f256622SPablo Neira Ayuso ntohl(match.key->src)); 1390bbd00f7eSHadar Hen Zion 1391bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1392bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13938f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1394bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1395bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13968f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1397bbd00f7eSHadar Hen Zion 1398bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1399bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 1400d1bda7eeSTonghao Zhang } else if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS)) { 14018f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 140219f44401SOr Gerlitz 14038f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 140419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 140519f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 14068f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 140719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 140819f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 14098f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 141019f44401SOr Gerlitz 141119f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 141219f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 14138f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 141419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 141519f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 14168f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 141719f44401SOr Gerlitz 141819f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 141919f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 14202e72eb43SOr Gerlitz } 1421bbd00f7eSHadar Hen Zion 14228f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 14238f256622SPablo Neira Ayuso struct flow_match_ip match; 1424bcef735cSOr Gerlitz 14258f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 14268f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 14278f256622SPablo Neira Ayuso match.mask->tos & 0x3); 14288f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 14298f256622SPablo Neira Ayuso match.key->tos & 0x3); 1430bcef735cSOr Gerlitz 14318f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 14328f256622SPablo Neira Ayuso match.mask->tos >> 2); 14338f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 14348f256622SPablo Neira Ayuso match.key->tos >> 2); 1435bcef735cSOr Gerlitz 14368f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 14378f256622SPablo Neira Ayuso match.mask->ttl); 14388f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 14398f256622SPablo Neira Ayuso match.key->ttl); 1440e98bedf5SEli Britstein 14418f256622SPablo Neira Ayuso if (match.mask->ttl && 1442e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1443e98bedf5SEli Britstein (priv->mdev, 1444e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1445e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1446e98bedf5SEli Britstein "Matching on TTL is not supported"); 1447e98bedf5SEli Britstein return -EOPNOTSUPP; 1448e98bedf5SEli Britstein } 1449e98bedf5SEli Britstein 1450bcef735cSOr Gerlitz } 1451bcef735cSOr Gerlitz 1452bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1453bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1454bbd00f7eSHadar Hen Zion */ 1455bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1456bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1457bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1458bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1459bbd00f7eSHadar Hen Zion 1460bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1461bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1462bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1463bbd00f7eSHadar Hen Zion 1464bbd00f7eSHadar Hen Zion return 0; 1465bbd00f7eSHadar Hen Zion } 1466bbd00f7eSHadar Hen Zion 14678377629eSEli Britstein static void *get_match_headers_criteria(u32 flags, 14688377629eSEli Britstein struct mlx5_flow_spec *spec) 14698377629eSEli Britstein { 14708377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 14718377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 14728377629eSEli Britstein inner_headers) : 14738377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 14748377629eSEli Britstein outer_headers); 14758377629eSEli Britstein } 14768377629eSEli Britstein 14778377629eSEli Britstein static void *get_match_headers_value(u32 flags, 14788377629eSEli Britstein struct mlx5_flow_spec *spec) 14798377629eSEli Britstein { 14808377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 14818377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 14828377629eSEli Britstein inner_headers) : 14838377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 14848377629eSEli Britstein outer_headers); 14858377629eSEli Britstein } 14868377629eSEli Britstein 1487de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1488de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1489f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 149054c177caSOz Shlomo struct net_device *filter_dev, 14916363651dSOr Gerlitz u8 *match_level, u8 *tunnel_match_level) 1492e3a2b7edSAmir Vadai { 1493e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1494c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1495c5bb1730SMaor Gottlieb outer_headers); 1496c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1497c5bb1730SMaor Gottlieb outer_headers); 1498699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1499699e96ddSJianbo Liu misc_parameters); 1500699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1501699e96ddSJianbo Liu misc_parameters); 1502f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 15038f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1504e3a2b7edSAmir Vadai u16 addr_type = 0; 1505e3a2b7edSAmir Vadai u8 ip_proto = 0; 1506e3a2b7edSAmir Vadai 1507d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1508de0af0bfSRoi Dayan 15098f256622SPablo Neira Ayuso if (dissector->used_keys & 15103d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 15113d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1512e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1513e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1514095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1515699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1516e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1517e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1518bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1519bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1520bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1521bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1522bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1523e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1524fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1525bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 15269272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 15279272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) { 1528e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1529e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 15308f256622SPablo Neira Ayuso dissector->used_keys); 1531e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1532e3a2b7edSAmir Vadai } 1533e3a2b7edSAmir Vadai 1534075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 15356363651dSOr Gerlitz if (parse_tunnel_attr(priv, spec, f, filter_dev, tunnel_match_level)) 1536bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1537bbd00f7eSHadar Hen Zion 1538bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1539bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1540bbd00f7eSHadar Hen Zion */ 15418377629eSEli Britstein headers_c = get_match_headers_criteria(MLX5_FLOW_CONTEXT_ACTION_DECAP, 15428377629eSEli Britstein spec); 15438377629eSEli Britstein headers_v = get_match_headers_value(MLX5_FLOW_CONTEXT_ACTION_DECAP, 15448377629eSEli Britstein spec); 1545bbd00f7eSHadar Hen Zion } 1546bbd00f7eSHadar Hen Zion 15478f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 15488f256622SPablo Neira Ayuso struct flow_match_basic match; 1549e3a2b7edSAmir Vadai 15508f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 15518f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 15528f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 15538f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 15548f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 15558f256622SPablo Neira Ayuso 15568f256622SPablo Neira Ayuso if (match.mask->n_proto) 1557d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1558e3a2b7edSAmir Vadai } 155935a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 156035a605dbSEli Britstein is_vlan_dev(filter_dev)) { 156135a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 156235a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 15638f256622SPablo Neira Ayuso struct flow_match_vlan match; 15648f256622SPablo Neira Ayuso 156535a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 156635a605dbSEli Britstein match.key = &filter_dev_key; 156735a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 156835a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 156935a605dbSEli Britstein match.key->vlan_priority = 0; 157035a605dbSEli Britstein match.mask = &filter_dev_mask; 157135a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 157235a605dbSEli Britstein match.mask->vlan_priority = 0; 157335a605dbSEli Britstein } else { 15748f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 157535a605dbSEli Britstein } 15768f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15778f256622SPablo Neira Ayuso match.mask->vlan_priority || 15788f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15798f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1580699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1581699e96ddSJianbo Liu svlan_tag, 1); 1582699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1583699e96ddSJianbo Liu svlan_tag, 1); 1584699e96ddSJianbo Liu } else { 1585699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1586699e96ddSJianbo Liu cvlan_tag, 1); 1587699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1588699e96ddSJianbo Liu cvlan_tag, 1); 1589699e96ddSJianbo Liu } 1590095b6cfdSOr Gerlitz 15918f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 15928f256622SPablo Neira Ayuso match.mask->vlan_id); 15938f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 15948f256622SPablo Neira Ayuso match.key->vlan_id); 1595358d79a4SOr Gerlitz 15968f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 15978f256622SPablo Neira Ayuso match.mask->vlan_priority); 15988f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 15998f256622SPablo Neira Ayuso match.key->vlan_priority); 160054782900SOr Gerlitz 1601d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1602095b6cfdSOr Gerlitz } 1603d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1604cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1605cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1606d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1607095b6cfdSOr Gerlitz } 1608095b6cfdSOr Gerlitz 16098f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 16108f256622SPablo Neira Ayuso struct flow_match_vlan match; 16118f256622SPablo Neira Ayuso 161212d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 16138f256622SPablo Neira Ayuso if (match.mask->vlan_id || 16148f256622SPablo Neira Ayuso match.mask->vlan_priority || 16158f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 16168f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1617699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1618699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1619699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1620699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1621699e96ddSJianbo Liu } else { 1622699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1623699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1624699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1625699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1626699e96ddSJianbo Liu } 1627699e96ddSJianbo Liu 1628699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 16298f256622SPablo Neira Ayuso match.mask->vlan_id); 1630699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 16318f256622SPablo Neira Ayuso match.key->vlan_id); 1632699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 16338f256622SPablo Neira Ayuso match.mask->vlan_priority); 1634699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 16358f256622SPablo Neira Ayuso match.key->vlan_priority); 1636699e96ddSJianbo Liu 1637699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1638699e96ddSJianbo Liu } 1639699e96ddSJianbo Liu } 1640699e96ddSJianbo Liu 16418f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 16428f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 164354782900SOr Gerlitz 16448f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1645d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1646d3a80bb5SOr Gerlitz dmac_47_16), 16478f256622SPablo Neira Ayuso match.mask->dst); 1648d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1649d3a80bb5SOr Gerlitz dmac_47_16), 16508f256622SPablo Neira Ayuso match.key->dst); 1651d3a80bb5SOr Gerlitz 1652d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1653d3a80bb5SOr Gerlitz smac_47_16), 16548f256622SPablo Neira Ayuso match.mask->src); 1655d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1656d3a80bb5SOr Gerlitz smac_47_16), 16578f256622SPablo Neira Ayuso match.key->src); 1658d3a80bb5SOr Gerlitz 16598f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 16608f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1661d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 166254782900SOr Gerlitz } 166354782900SOr Gerlitz 16648f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 16658f256622SPablo Neira Ayuso struct flow_match_control match; 166654782900SOr Gerlitz 16678f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 16688f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 166954782900SOr Gerlitz 167054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 16718f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 167254782900SOr Gerlitz return -EOPNOTSUPP; 167354782900SOr Gerlitz 16748f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 167554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 167654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 16778f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 167854782900SOr Gerlitz 167954782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 16808f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 168183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 168254782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 168354782900SOr Gerlitz else 168483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 168554782900SOr Gerlitz } 168654782900SOr Gerlitz } 168754782900SOr Gerlitz 16888f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 16898f256622SPablo Neira Ayuso struct flow_match_basic match; 16908f256622SPablo Neira Ayuso 16918f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 16928f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 169354782900SOr Gerlitz 169454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 16958f256622SPablo Neira Ayuso match.mask->ip_proto); 169654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 16978f256622SPablo Neira Ayuso match.key->ip_proto); 169854782900SOr Gerlitz 16998f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1700d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 170154782900SOr Gerlitz } 170254782900SOr Gerlitz 1703e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 17048f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1705e3a2b7edSAmir Vadai 17068f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1707e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1708e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 17098f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1710e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1711e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 17128f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1713e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1714e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 17158f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1716e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1717e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 17188f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1719de0af0bfSRoi Dayan 17208f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1721d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1722e3a2b7edSAmir Vadai } 1723e3a2b7edSAmir Vadai 1724e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 17258f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1726e3a2b7edSAmir Vadai 17278f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1728e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1729e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 17308f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1731e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1732e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 17338f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1734e3a2b7edSAmir Vadai 1735e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1736e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 17378f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1738e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1739e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 17408f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1741de0af0bfSRoi Dayan 17428f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 17438f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 1744d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1745e3a2b7edSAmir Vadai } 1746e3a2b7edSAmir Vadai 17478f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 17488f256622SPablo Neira Ayuso struct flow_match_ip match; 17491f97a526SOr Gerlitz 17508f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 17518f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 17528f256622SPablo Neira Ayuso match.mask->tos & 0x3); 17538f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 17548f256622SPablo Neira Ayuso match.key->tos & 0x3); 17551f97a526SOr Gerlitz 17568f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 17578f256622SPablo Neira Ayuso match.mask->tos >> 2); 17588f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 17598f256622SPablo Neira Ayuso match.key->tos >> 2); 17601f97a526SOr Gerlitz 17618f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 17628f256622SPablo Neira Ayuso match.mask->ttl); 17638f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 17648f256622SPablo Neira Ayuso match.key->ttl); 17651f97a526SOr Gerlitz 17668f256622SPablo Neira Ayuso if (match.mask->ttl && 1767a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1768e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1769e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1770e98bedf5SEli Britstein "Matching on TTL is not supported"); 17711f97a526SOr Gerlitz return -EOPNOTSUPP; 1772e98bedf5SEli Britstein } 1773a8ade55fSOr Gerlitz 17748f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 1775d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 17761f97a526SOr Gerlitz } 17771f97a526SOr Gerlitz 177854782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 177954782900SOr Gerlitz 17808f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 17818f256622SPablo Neira Ayuso struct flow_match_ports match; 17828f256622SPablo Neira Ayuso 17838f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 1784e3a2b7edSAmir Vadai switch (ip_proto) { 1785e3a2b7edSAmir Vadai case IPPROTO_TCP: 1786e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17878f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 1788e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17898f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 1790e3a2b7edSAmir Vadai 1791e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17928f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 1793e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17948f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 1795e3a2b7edSAmir Vadai break; 1796e3a2b7edSAmir Vadai 1797e3a2b7edSAmir Vadai case IPPROTO_UDP: 1798e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17998f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 1800e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 18018f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 1802e3a2b7edSAmir Vadai 1803e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 18048f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 1805e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 18068f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 1807e3a2b7edSAmir Vadai break; 1808e3a2b7edSAmir Vadai default: 1809e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1810e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1811e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1812e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1813e3a2b7edSAmir Vadai return -EINVAL; 1814e3a2b7edSAmir Vadai } 1815de0af0bfSRoi Dayan 18168f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1817d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1818e3a2b7edSAmir Vadai } 1819e3a2b7edSAmir Vadai 18208f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 18218f256622SPablo Neira Ayuso struct flow_match_tcp match; 1822e77834ecSOr Gerlitz 18238f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 1824e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 18258f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 1826e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 18278f256622SPablo Neira Ayuso ntohs(match.key->flags)); 1828e77834ecSOr Gerlitz 18298f256622SPablo Neira Ayuso if (match.mask->flags) 1830d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1831e77834ecSOr Gerlitz } 1832e77834ecSOr Gerlitz 1833e3a2b7edSAmir Vadai return 0; 1834e3a2b7edSAmir Vadai } 1835e3a2b7edSAmir Vadai 1836de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 183765ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1838de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1839f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 184054c177caSOz Shlomo struct net_device *filter_dev) 1841de0af0bfSRoi Dayan { 1842e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1843de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1844de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 18451d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 18466363651dSOr Gerlitz u8 match_level, tunnel_match_level = MLX5_MATCH_NONE; 18471d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1848de0af0bfSRoi Dayan int err; 1849de0af0bfSRoi Dayan 18506363651dSOr Gerlitz err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level, &tunnel_match_level); 1851de0af0bfSRoi Dayan 18521d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 18531d447a39SSaeed Mahameed rep = rpriv->rep; 1854b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 18551d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1856d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1857e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1858e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1859de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1860de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1861d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1862de0af0bfSRoi Dayan return -EOPNOTSUPP; 1863de0af0bfSRoi Dayan } 1864de0af0bfSRoi Dayan } 1865de0af0bfSRoi Dayan 18666363651dSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 186738aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 18686363651dSOr Gerlitz flow->esw_attr->tunnel_match_level = tunnel_match_level; 18696363651dSOr Gerlitz } else { 187038aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 18716363651dSOr Gerlitz } 187238aa51c1SOr Gerlitz 1873de0af0bfSRoi Dayan return err; 1874de0af0bfSRoi Dayan } 1875de0af0bfSRoi Dayan 1876d79b6df6SOr Gerlitz struct pedit_headers { 1877d79b6df6SOr Gerlitz struct ethhdr eth; 18780eb69bb9SEli Britstein struct vlan_hdr vlan; 1879d79b6df6SOr Gerlitz struct iphdr ip4; 1880d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1881d79b6df6SOr Gerlitz struct tcphdr tcp; 1882d79b6df6SOr Gerlitz struct udphdr udp; 1883d79b6df6SOr Gerlitz }; 1884d79b6df6SOr Gerlitz 1885c500c86bSPablo Neira Ayuso struct pedit_headers_action { 1886c500c86bSPablo Neira Ayuso struct pedit_headers vals; 1887c500c86bSPablo Neira Ayuso struct pedit_headers masks; 1888c500c86bSPablo Neira Ayuso u32 pedits; 1889c500c86bSPablo Neira Ayuso }; 1890c500c86bSPablo Neira Ayuso 1891d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 189273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 189373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 189473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 189573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 189673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1897d79b6df6SOr Gerlitz }; 1898d79b6df6SOr Gerlitz 1899d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1900d79b6df6SOr Gerlitz 1901d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1902c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 1903d79b6df6SOr Gerlitz { 1904d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1905d79b6df6SOr Gerlitz 1906c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 1907c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 1908d79b6df6SOr Gerlitz 1909d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1910d79b6df6SOr Gerlitz goto out_err; 1911d79b6df6SOr Gerlitz 1912d79b6df6SOr Gerlitz *curr_pmask |= mask; 1913d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1914d79b6df6SOr Gerlitz 1915d79b6df6SOr Gerlitz return 0; 1916d79b6df6SOr Gerlitz 1917d79b6df6SOr Gerlitz out_err: 1918d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1919d79b6df6SOr Gerlitz } 1920d79b6df6SOr Gerlitz 1921d79b6df6SOr Gerlitz struct mlx5_fields { 1922d79b6df6SOr Gerlitz u8 field; 1923d79b6df6SOr Gerlitz u8 size; 1924d79b6df6SOr Gerlitz u32 offset; 192527c11b6bSEli Britstein u32 match_offset; 1926d79b6df6SOr Gerlitz }; 1927d79b6df6SOr Gerlitz 192827c11b6bSEli Britstein #define OFFLOAD(fw_field, size, field, off, match_field) \ 192927c11b6bSEli Britstein {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, \ 193027c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 193127c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 193227c11b6bSEli Britstein 19332ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 19342ef86872SEli Britstein * match. 19352ef86872SEli Britstein */ 19362ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 19372ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 19382ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 19392ef86872SEli Britstein type maskx = *(type *)(maskp); \ 19402ef86872SEli Britstein type valx = *(type *)(valp); \ 19412ef86872SEli Britstein \ 19422ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 19432ef86872SEli Britstein matchmaskx)); \ 19442ef86872SEli Britstein }) 19452ef86872SEli Britstein 194627c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 194727c11b6bSEli Britstein void *matchmaskp, int size) 194827c11b6bSEli Britstein { 194927c11b6bSEli Britstein bool same = false; 195027c11b6bSEli Britstein 195127c11b6bSEli Britstein switch (size) { 195227c11b6bSEli Britstein case sizeof(u8): 19532ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 195427c11b6bSEli Britstein break; 195527c11b6bSEli Britstein case sizeof(u16): 19562ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 195727c11b6bSEli Britstein break; 195827c11b6bSEli Britstein case sizeof(u32): 19592ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 196027c11b6bSEli Britstein break; 196127c11b6bSEli Britstein } 196227c11b6bSEli Britstein 196327c11b6bSEli Britstein return same; 196427c11b6bSEli Britstein } 1965a8e4f0c4SOr Gerlitz 1966d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 196727c11b6bSEli Britstein OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0, dmac_47_16), 196827c11b6bSEli Britstein OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0, dmac_15_0), 196927c11b6bSEli Britstein OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0, smac_47_16), 197027c11b6bSEli Britstein OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0, smac_15_0), 197127c11b6bSEli Britstein OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0, ethertype), 197227c11b6bSEli Britstein OFFLOAD(FIRST_VID, 2, vlan.h_vlan_TCI, 0, first_vid), 1973d79b6df6SOr Gerlitz 197427c11b6bSEli Britstein OFFLOAD(IP_TTL, 1, ip4.ttl, 0, ttl_hoplimit), 197527c11b6bSEli Britstein OFFLOAD(SIPV4, 4, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 197627c11b6bSEli Britstein OFFLOAD(DIPV4, 4, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1977d79b6df6SOr Gerlitz 197827c11b6bSEli Britstein OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0, 197927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 198027c11b6bSEli Britstein OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0, 198127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 198227c11b6bSEli Britstein OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0, 198327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 198427c11b6bSEli Britstein OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0, 198527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 198627c11b6bSEli Britstein OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0, 198727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 198827c11b6bSEli Britstein OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0, 198927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 199027c11b6bSEli Britstein OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0, 199127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 199227c11b6bSEli Britstein OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0, 199327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 199427c11b6bSEli Britstein OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0, ttl_hoplimit), 1995d79b6df6SOr Gerlitz 199627c11b6bSEli Britstein OFFLOAD(TCP_SPORT, 2, tcp.source, 0, tcp_sport), 199727c11b6bSEli Britstein OFFLOAD(TCP_DPORT, 2, tcp.dest, 0, tcp_dport), 199827c11b6bSEli Britstein OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5, tcp_flags), 1999d79b6df6SOr Gerlitz 200027c11b6bSEli Britstein OFFLOAD(UDP_SPORT, 2, udp.source, 0, udp_sport), 200127c11b6bSEli Britstein OFFLOAD(UDP_DPORT, 2, udp.dest, 0, udp_dport), 2002d79b6df6SOr Gerlitz }; 2003d79b6df6SOr Gerlitz 2004218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 2005218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 2006218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 2007d79b6df6SOr Gerlitz */ 2008c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 2009e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 201027c11b6bSEli Britstein u32 *action_flags, 2011e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2012d79b6df6SOr Gerlitz { 2013d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 201427c11b6bSEli Britstein void *headers_c = get_match_headers_criteria(*action_flags, 201527c11b6bSEli Britstein &parse_attr->spec); 201627c11b6bSEli Britstein void *headers_v = get_match_headers_value(*action_flags, 201727c11b6bSEli Britstein &parse_attr->spec); 20182b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 2019d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 2020d79b6df6SOr Gerlitz struct mlx5_fields *f; 2021d79b6df6SOr Gerlitz u8 cmd, field_bsize; 2022e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 2023d79b6df6SOr Gerlitz unsigned long mask; 20242b64bebaSOr Gerlitz __be32 mask_be32; 20252b64bebaSOr Gerlitz __be16 mask_be16; 2026d79b6df6SOr Gerlitz void *action; 2027d79b6df6SOr Gerlitz 202873867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 202973867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 203073867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 203173867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2032d79b6df6SOr Gerlitz 2033d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2034218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 2035218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 2036218d05ceSTonghao Zhang 2037218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 2038218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 2039d79b6df6SOr Gerlitz 2040d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 204127c11b6bSEli Britstein bool skip; 204227c11b6bSEli Britstein 2043d79b6df6SOr Gerlitz f = &fields[i]; 2044d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2045e3ca4e05SOr Gerlitz s_mask = 0; 2046e3ca4e05SOr Gerlitz a_mask = 0; 2047d79b6df6SOr Gerlitz 2048d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2049d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2050d79b6df6SOr Gerlitz 2051d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 2052d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 2053d79b6df6SOr Gerlitz 2054d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2055d79b6df6SOr Gerlitz continue; 2056d79b6df6SOr Gerlitz 2057d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2058e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2059e98bedf5SEli Britstein "can't set and add to the same HW field"); 2060d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2061d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2062d79b6df6SOr Gerlitz } 2063d79b6df6SOr Gerlitz 2064d79b6df6SOr Gerlitz if (nactions == max_actions) { 2065e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2066e98bedf5SEli Britstein "too many pedit actions, can't offload"); 2067d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 2068d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2069d79b6df6SOr Gerlitz } 2070d79b6df6SOr Gerlitz 207127c11b6bSEli Britstein skip = false; 2072d79b6df6SOr Gerlitz if (s_mask) { 207327c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 207427c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 207527c11b6bSEli Britstein 2076d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2077d79b6df6SOr Gerlitz mask = s_mask; 2078d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 207927c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 208027c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 208127c11b6bSEli Britstein match_mask, f->size)) 208227c11b6bSEli Britstein skip = true; 2083d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2084d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 2085d79b6df6SOr Gerlitz } else { 208627c11b6bSEli Britstein u32 zero = 0; 208727c11b6bSEli Britstein 2088d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2089d79b6df6SOr Gerlitz mask = a_mask; 2090d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 209127c11b6bSEli Britstein /* add 0 is no change */ 209227c11b6bSEli Britstein if (!memcmp(vals_p, &zero, f->size)) 209327c11b6bSEli Britstein skip = true; 2094d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2095d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 2096d79b6df6SOr Gerlitz } 209727c11b6bSEli Britstein if (skip) 209827c11b6bSEli Britstein continue; 2099d79b6df6SOr Gerlitz 2100d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 2101e3ca4e05SOr Gerlitz 21022b64bebaSOr Gerlitz if (field_bsize == 32) { 21032b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 21042b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 21052b64bebaSOr Gerlitz } else if (field_bsize == 16) { 21062b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 21072b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 21082b64bebaSOr Gerlitz } 21092b64bebaSOr Gerlitz 2110d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 21112b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 2112d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 21132b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2114e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2115e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 21162b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2117d79b6df6SOr Gerlitz mask); 2118d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2119d79b6df6SOr Gerlitz } 2120d79b6df6SOr Gerlitz 2121d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2122d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2123d79b6df6SOr Gerlitz 2124d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 21252b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 2126d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 21272b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2128d79b6df6SOr Gerlitz } 2129d79b6df6SOr Gerlitz 2130d79b6df6SOr Gerlitz if (field_bsize == 32) 21312b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 2132d79b6df6SOr Gerlitz else if (field_bsize == 16) 21332b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 2134d79b6df6SOr Gerlitz else if (field_bsize == 8) 21352b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2136d79b6df6SOr Gerlitz 2137d79b6df6SOr Gerlitz action += action_size; 2138d79b6df6SOr Gerlitz nactions++; 2139d79b6df6SOr Gerlitz } 2140d79b6df6SOr Gerlitz 2141d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2142d79b6df6SOr Gerlitz return 0; 2143d79b6df6SOr Gerlitz } 2144d79b6df6SOr Gerlitz 21452cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 21462cc1cb1dSTonghao Zhang int namespace) 21472cc1cb1dSTonghao Zhang { 21482cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 21492cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 21502cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 21512cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 21522cc1cb1dSTonghao Zhang } 21532cc1cb1dSTonghao Zhang 2154d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2155c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2156c500c86bSPablo Neira Ayuso int namespace, 2157d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2158d79b6df6SOr Gerlitz { 2159d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2160d79b6df6SOr Gerlitz 2161c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2162c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2163d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2164d79b6df6SOr Gerlitz 21652cc1cb1dSTonghao Zhang max_actions = mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace); 2166d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2167d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2168d79b6df6SOr Gerlitz 2169d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2170d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2171d79b6df6SOr Gerlitz return -ENOMEM; 2172d79b6df6SOr Gerlitz 2173218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2174d79b6df6SOr Gerlitz return 0; 2175d79b6df6SOr Gerlitz } 2176d79b6df6SOr Gerlitz 2177d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2178d79b6df6SOr Gerlitz 2179d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 218073867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2181e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2182c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2183e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2184d79b6df6SOr Gerlitz { 218573867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 218673867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2187d79b6df6SOr Gerlitz u32 mask, val, offset; 218873867881SPablo Neira Ayuso u8 htype; 2189d79b6df6SOr Gerlitz 219073867881SPablo Neira Ayuso htype = act->mangle.htype; 2191d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2192d79b6df6SOr Gerlitz 219373867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 219473867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2195d79b6df6SOr Gerlitz goto out_err; 2196d79b6df6SOr Gerlitz } 2197d79b6df6SOr Gerlitz 21982cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 21992cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 22002cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 22012cc1cb1dSTonghao Zhang goto out_err; 22022cc1cb1dSTonghao Zhang } 22032cc1cb1dSTonghao Zhang 220473867881SPablo Neira Ayuso mask = act->mangle.mask; 220573867881SPablo Neira Ayuso val = act->mangle.val; 220673867881SPablo Neira Ayuso offset = act->mangle.offset; 2207d79b6df6SOr Gerlitz 2208c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2209d79b6df6SOr Gerlitz if (err) 2210d79b6df6SOr Gerlitz goto out_err; 2211c500c86bSPablo Neira Ayuso 2212c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2213d79b6df6SOr Gerlitz 2214c500c86bSPablo Neira Ayuso return 0; 2215c500c86bSPablo Neira Ayuso out_err: 2216c500c86bSPablo Neira Ayuso return err; 2217c500c86bSPablo Neira Ayuso } 2218c500c86bSPablo Neira Ayuso 2219c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2220c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2221c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 222227c11b6bSEli Britstein u32 *action_flags, 2223c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2224c500c86bSPablo Neira Ayuso { 2225c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2226c500c86bSPablo Neira Ayuso int err; 2227c500c86bSPablo Neira Ayuso u8 cmd; 2228c500c86bSPablo Neira Ayuso 2229218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2230c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2231d79b6df6SOr Gerlitz if (err) 2232d79b6df6SOr Gerlitz goto out_err; 2233218d05ceSTonghao Zhang } 2234d79b6df6SOr Gerlitz 223527c11b6bSEli Britstein err = offload_pedit_fields(hdrs, parse_attr, action_flags, extack); 2236d79b6df6SOr Gerlitz if (err < 0) 2237d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2238d79b6df6SOr Gerlitz 2239d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2240c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2241d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2242e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2243e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2244b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2245d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2246d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2247d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2248d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2249d79b6df6SOr Gerlitz } 2250d79b6df6SOr Gerlitz } 2251d79b6df6SOr Gerlitz 2252d79b6df6SOr Gerlitz return 0; 2253d79b6df6SOr Gerlitz 2254d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2255d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2256d79b6df6SOr Gerlitz out_err: 2257d79b6df6SOr Gerlitz return err; 2258d79b6df6SOr Gerlitz } 2259d79b6df6SOr Gerlitz 2260e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2261e98bedf5SEli Britstein u32 action, 2262e98bedf5SEli Britstein u32 update_flags, 2263e98bedf5SEli Britstein struct netlink_ext_ack *extack) 226426c02749SOr Gerlitz { 226526c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 226626c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 226726c02749SOr Gerlitz 226826c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 226926c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2270e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2271e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 227226c02749SOr Gerlitz netdev_warn(priv->netdev, 227326c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 227426c02749SOr Gerlitz return false; 227526c02749SOr Gerlitz } 227626c02749SOr Gerlitz 227726c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2278e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2279e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 228026c02749SOr Gerlitz netdev_warn(priv->netdev, 228126c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 228226c02749SOr Gerlitz update_flags); 228326c02749SOr Gerlitz return false; 228426c02749SOr Gerlitz } 228526c02749SOr Gerlitz 228626c02749SOr Gerlitz return true; 228726c02749SOr Gerlitz } 228826c02749SOr Gerlitz 22898998576bSDmytro Linkin struct ip_ttl_word { 22908998576bSDmytro Linkin __u8 ttl; 22918998576bSDmytro Linkin __u8 protocol; 22928998576bSDmytro Linkin __sum16 check; 22938998576bSDmytro Linkin }; 22948998576bSDmytro Linkin 22958998576bSDmytro Linkin struct ipv6_hoplimit_word { 22968998576bSDmytro Linkin __be16 payload_len; 22978998576bSDmytro Linkin __u8 nexthdr; 22988998576bSDmytro Linkin __u8 hop_limit; 22998998576bSDmytro Linkin }; 23008998576bSDmytro Linkin 23018998576bSDmytro Linkin static bool is_action_keys_supported(const struct flow_action_entry *act) 23028998576bSDmytro Linkin { 23038998576bSDmytro Linkin u32 mask, offset; 23048998576bSDmytro Linkin u8 htype; 23058998576bSDmytro Linkin 23068998576bSDmytro Linkin htype = act->mangle.htype; 23078998576bSDmytro Linkin offset = act->mangle.offset; 23088998576bSDmytro Linkin mask = ~act->mangle.mask; 23098998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 23108998576bSDmytro Linkin * to determine that modified fields 23118998576bSDmytro Linkin * are NOT ttl & hop_limit only. 23128998576bSDmytro Linkin */ 23138998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 23148998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 23158998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 23168998576bSDmytro Linkin 23178998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 23188998576bSDmytro Linkin ttl_word->protocol || 23198998576bSDmytro Linkin ttl_word->check) { 23208998576bSDmytro Linkin return true; 23218998576bSDmytro Linkin } 23228998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 23238998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 23248998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 23258998576bSDmytro Linkin 23268998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 23278998576bSDmytro Linkin hoplimit_word->payload_len || 23288998576bSDmytro Linkin hoplimit_word->nexthdr) { 23298998576bSDmytro Linkin return true; 23308998576bSDmytro Linkin } 23318998576bSDmytro Linkin } 23328998576bSDmytro Linkin return false; 23338998576bSDmytro Linkin } 23348998576bSDmytro Linkin 2335bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 233673867881SPablo Neira Ayuso struct flow_action *flow_action, 23371651925dSGuy Shattah u32 actions, 2338e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2339bdd66ac0SOr Gerlitz { 234073867881SPablo Neira Ayuso const struct flow_action_entry *act; 2341bdd66ac0SOr Gerlitz bool modify_ip_header; 2342bdd66ac0SOr Gerlitz void *headers_v; 2343bdd66ac0SOr Gerlitz u16 ethertype; 23448998576bSDmytro Linkin u8 ip_proto; 234573867881SPablo Neira Ayuso int i; 2346bdd66ac0SOr Gerlitz 23478377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 2348bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2349bdd66ac0SOr Gerlitz 2350bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2351bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2352bdd66ac0SOr Gerlitz goto out_ok; 2353bdd66ac0SOr Gerlitz 2354bdd66ac0SOr Gerlitz modify_ip_header = false; 235573867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 235673867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 235773867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2358bdd66ac0SOr Gerlitz continue; 2359bdd66ac0SOr Gerlitz 23608998576bSDmytro Linkin if (is_action_keys_supported(act)) { 2361bdd66ac0SOr Gerlitz modify_ip_header = true; 2362bdd66ac0SOr Gerlitz break; 2363bdd66ac0SOr Gerlitz } 2364bdd66ac0SOr Gerlitz } 2365bdd66ac0SOr Gerlitz 2366bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 23671ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 23681ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2369e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2370e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2371bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2372bdd66ac0SOr Gerlitz return false; 2373bdd66ac0SOr Gerlitz } 2374bdd66ac0SOr Gerlitz 2375bdd66ac0SOr Gerlitz out_ok: 2376bdd66ac0SOr Gerlitz return true; 2377bdd66ac0SOr Gerlitz } 2378bdd66ac0SOr Gerlitz 2379bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 238073867881SPablo Neira Ayuso struct flow_action *flow_action, 2381bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2382e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2383e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2384bdd66ac0SOr Gerlitz { 2385bdd66ac0SOr Gerlitz u32 actions; 2386bdd66ac0SOr Gerlitz 2387bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2388bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2389bdd66ac0SOr Gerlitz else 2390bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2391bdd66ac0SOr Gerlitz 23927e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 239335a605dbSEli Britstein !((actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) || 239435a605dbSEli Britstein (actions & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP))) 23957e29392eSRoi Dayan return false; 23967e29392eSRoi Dayan 2397bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 239873867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2399a655fe9fSDavid S. Miller flow_action, actions, 2400e98bedf5SEli Britstein extack); 2401bdd66ac0SOr Gerlitz 2402bdd66ac0SOr Gerlitz return true; 2403bdd66ac0SOr Gerlitz } 2404bdd66ac0SOr Gerlitz 24055c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 24065c65c564SOr Gerlitz { 24075c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2408816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 24095c65c564SOr Gerlitz 24105c65c564SOr Gerlitz fmdev = priv->mdev; 24115c65c564SOr Gerlitz pmdev = peer_priv->mdev; 24125c65c564SOr Gerlitz 241359c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 241459c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 24155c65c564SOr Gerlitz 2416816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 24175c65c564SOr Gerlitz } 24185c65c564SOr Gerlitz 2419bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2420bdc837eeSEli Britstein const struct flow_action_entry *act, 2421bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2422bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2423bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2424bdc837eeSEli Britstein { 2425bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2426bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2427bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2428bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2429bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2430bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2431bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2432bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2433bdc837eeSEli Britstein }; 24346fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 2435bf2f3bcaSEli Britstein void *headers_c, *headers_v; 2436bdc837eeSEli Britstein int err; 2437bdc837eeSEli Britstein 2438bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 2439bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 2440bf2f3bcaSEli Britstein 2441bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 2442bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 2443bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 2444bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 2445bf2f3bcaSEli Britstein return -EOPNOTSUPP; 2446bf2f3bcaSEli Britstein } 2447bf2f3bcaSEli Britstein 24486fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 24496fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 24506fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 24516fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 24526fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 2453bdc837eeSEli Britstein return -EOPNOTSUPP; 2454bdc837eeSEli Britstein } 2455bdc837eeSEli Britstein 2456bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2457bdc837eeSEli Britstein hdrs, NULL); 2458bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2459bdc837eeSEli Britstein 2460bdc837eeSEli Britstein return err; 2461bdc837eeSEli Britstein } 2462bdc837eeSEli Britstein 24630bac1194SEli Britstein static int 24640bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 24650bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 24660bac1194SEli Britstein struct pedit_headers_action *hdrs, 24670bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 24680bac1194SEli Britstein { 24690bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 24700bac1194SEli Britstein .vlan.vid = 0, 24710bac1194SEli Britstein .vlan.prio = 24720bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 24730bac1194SEli Britstein get_match_headers_value(*action, 24740bac1194SEli Britstein &parse_attr->spec), 24750bac1194SEli Britstein first_prio) & 24760bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 24770bac1194SEli Britstein get_match_headers_criteria(*action, 24780bac1194SEli Britstein &parse_attr->spec), 24790bac1194SEli Britstein first_prio), 24800bac1194SEli Britstein }; 24810bac1194SEli Britstein 24820bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 24830bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 24840bac1194SEli Britstein extack); 24850bac1194SEli Britstein } 24860bac1194SEli Britstein 248773867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 248873867881SPablo Neira Ayuso struct flow_action *flow_action, 2489aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2490e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2491e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2492e3a2b7edSAmir Vadai { 2493aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 249473867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 249573867881SPablo Neira Ayuso const struct flow_action_entry *act; 24961cab1cd7SOr Gerlitz u32 action = 0; 2497244cd96aSCong Wang int err, i; 2498e3a2b7edSAmir Vadai 249973867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2500e3a2b7edSAmir Vadai return -EINVAL; 2501e3a2b7edSAmir Vadai 25023bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2503e3a2b7edSAmir Vadai 250473867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 250573867881SPablo Neira Ayuso switch (act->id) { 250673867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 25071cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2508aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2509aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 25101cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 251173867881SPablo Neira Ayuso break; 251273867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 251373867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 251473867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2515c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 25162f4fe4caSOr Gerlitz if (err) 25172f4fe4caSOr Gerlitz return err; 25182f4fe4caSOr Gerlitz 25191cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 25202f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 252173867881SPablo Neira Ayuso break; 2522bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2523bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2524bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2525bdc837eeSEli Britstein act, parse_attr, hdrs, 2526bdc837eeSEli Britstein &action, extack); 2527bdc837eeSEli Britstein if (err) 2528bdc837eeSEli Britstein return err; 2529bdc837eeSEli Britstein 2530bdc837eeSEli Britstein break; 253173867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 25321cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 253373867881SPablo Neira Ayuso act->csum_flags, 2534e98bedf5SEli Britstein extack)) 253573867881SPablo Neira Ayuso break; 253626c02749SOr Gerlitz 253726c02749SOr Gerlitz return -EOPNOTSUPP; 253873867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 253973867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 25405c65c564SOr Gerlitz 25415c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 25425c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 254398b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 25445c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 25451cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 25465c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 25475c65c564SOr Gerlitz } else { 2548e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2549e98bedf5SEli Britstein "device is not on same HW, can't offload"); 25505c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 25515c65c564SOr Gerlitz peer_dev->name); 25525c65c564SOr Gerlitz return -EINVAL; 25535c65c564SOr Gerlitz } 25545c65c564SOr Gerlitz } 255573867881SPablo Neira Ayuso break; 255673867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 255773867881SPablo Neira Ayuso u32 mark = act->mark; 2558e3a2b7edSAmir Vadai 2559e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2560e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2561e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2562e3a2b7edSAmir Vadai return -EINVAL; 2563e3a2b7edSAmir Vadai } 2564e3a2b7edSAmir Vadai 25653bc4b7bfSOr Gerlitz attr->flow_tag = mark; 25661cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2567e3a2b7edSAmir Vadai } 256873867881SPablo Neira Ayuso break; 256973867881SPablo Neira Ayuso default: 25702cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 25712cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 2572e3a2b7edSAmir Vadai } 257373867881SPablo Neira Ayuso } 2574e3a2b7edSAmir Vadai 2575c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2576c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2577c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 257827c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 2579c500c86bSPablo Neira Ayuso if (err) 2580c500c86bSPablo Neira Ayuso return err; 258127c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 258227c11b6bSEli Britstein * flag. 258327c11b6bSEli Britstein */ 2584e7739a60SEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 258527c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2586e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 2587e7739a60SEli Britstein } 2588c500c86bSPablo Neira Ayuso } 2589c500c86bSPablo Neira Ayuso 25901cab1cd7SOr Gerlitz attr->action = action; 259173867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2592bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2593bdd66ac0SOr Gerlitz 2594e3a2b7edSAmir Vadai return 0; 2595e3a2b7edSAmir Vadai } 2596e3a2b7edSAmir Vadai 25977f1a546eSEli Britstein struct encap_key { 25981f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 2599d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 26007f1a546eSEli Britstein }; 26017f1a546eSEli Britstein 26027f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 26037f1a546eSEli Britstein struct encap_key *b) 2604a54e20b4SHadar Hen Zion { 26057f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 2606d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 2607a54e20b4SHadar Hen Zion } 2608a54e20b4SHadar Hen Zion 26097f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 2610a54e20b4SHadar Hen Zion { 26117f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 2612d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 2613a54e20b4SHadar Hen Zion } 2614a54e20b4SHadar Hen Zion 2615a54e20b4SHadar Hen Zion 2616b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2617b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2618b1d90e6bSRabie Loulou { 2619b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2620b1d90e6bSRabie Loulou 2621b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2622b1d90e6bSRabie Loulou 2623b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 262468931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 262568931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 262668931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2627b1d90e6bSRabie Loulou } 2628b1d90e6bSRabie Loulou 2629ce99f6b9SOr Gerlitz 263054c177caSOz Shlomo 2631a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2632e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2633733d4f36SRoi Dayan struct net_device *mirred_dev, 2634733d4f36SRoi Dayan int out_index, 26358c4dc42bSEli Britstein struct netlink_ext_ack *extack, 26360ad060eeSRoi Dayan struct net_device **encap_dev, 26370ad060eeSRoi Dayan bool *encap_valid) 263803a9d11eSOr Gerlitz { 2639a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 264045247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2641733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 26421f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 26437f1a546eSEli Britstein struct encap_key key, e_key; 2644c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2645733d4f36SRoi Dayan unsigned short family; 2646a54e20b4SHadar Hen Zion uintptr_t hash_key; 2647a54e20b4SHadar Hen Zion bool found = false; 264854c177caSOz Shlomo int err = 0; 2649a54e20b4SHadar Hen Zion 2650733d4f36SRoi Dayan parse_attr = attr->parse_attr; 26511f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 2652733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 26537f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 2654d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 2655d71f895cSEli Cohen if (!key.tc_tunnel) { 2656d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 2657d71f895cSEli Cohen return -EOPNOTSUPP; 2658d71f895cSEli Cohen } 2659733d4f36SRoi Dayan 26607f1a546eSEli Britstein hash_key = hash_encap_info(&key); 2661a54e20b4SHadar Hen Zion 2662a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2663a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 26641f6da306SYevgeny Kliteynik e_key.ip_tun_key = &e->tun_info->key; 2665d386939aSYevgeny Kliteynik e_key.tc_tunnel = e->tunnel; 26667f1a546eSEli Britstein if (!cmp_encap_info(&e_key, &key)) { 2667a54e20b4SHadar Hen Zion found = true; 2668a54e20b4SHadar Hen Zion break; 2669a54e20b4SHadar Hen Zion } 2670a54e20b4SHadar Hen Zion } 2671a54e20b4SHadar Hen Zion 2672b2812089SVlad Buslov /* must verify if encap is valid or not */ 267345247bf2SOr Gerlitz if (found) 267445247bf2SOr Gerlitz goto attach_flow; 2675a54e20b4SHadar Hen Zion 2676a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2677a54e20b4SHadar Hen Zion if (!e) 2678a54e20b4SHadar Hen Zion return -ENOMEM; 2679a54e20b4SHadar Hen Zion 26801f6da306SYevgeny Kliteynik e->tun_info = tun_info; 2681101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 268254c177caSOz Shlomo if (err) 268354c177caSOz Shlomo goto out_err; 268454c177caSOz Shlomo 2685a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2686a54e20b4SHadar Hen Zion 2687ce99f6b9SOr Gerlitz if (family == AF_INET) 2688101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2689ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2690101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2691ce99f6b9SOr Gerlitz 26920ad060eeSRoi Dayan if (err) 2693a54e20b4SHadar Hen Zion goto out_err; 2694a54e20b4SHadar Hen Zion 2695a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2696a54e20b4SHadar Hen Zion 269745247bf2SOr Gerlitz attach_flow: 26988c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 26998c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 270045247bf2SOr Gerlitz *encap_dev = e->out_dev; 27018c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 27028c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 27038c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 27040ad060eeSRoi Dayan *encap_valid = true; 27058c4dc42bSEli Britstein } else { 27060ad060eeSRoi Dayan *encap_valid = false; 27078c4dc42bSEli Britstein } 270845247bf2SOr Gerlitz 2709232c0013SHadar Hen Zion return err; 2710a54e20b4SHadar Hen Zion 2711a54e20b4SHadar Hen Zion out_err: 2712a54e20b4SHadar Hen Zion kfree(e); 2713a54e20b4SHadar Hen Zion return err; 2714a54e20b4SHadar Hen Zion } 2715a54e20b4SHadar Hen Zion 27161482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 271773867881SPablo Neira Ayuso const struct flow_action_entry *act, 27181482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 27191482bd3dSJianbo Liu u32 *action) 27201482bd3dSJianbo Liu { 2721cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2722cc495188SJianbo Liu 2723cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 27241482bd3dSJianbo Liu return -EOPNOTSUPP; 2725cc495188SJianbo Liu 272673867881SPablo Neira Ayuso switch (act->id) { 272773867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 2728cc495188SJianbo Liu if (vlan_idx) { 2729cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2730cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2731cc495188SJianbo Liu return -EOPNOTSUPP; 2732cc495188SJianbo Liu 2733cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2734cc495188SJianbo Liu } else { 2735cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2736cc495188SJianbo Liu } 273773867881SPablo Neira Ayuso break; 273873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 273973867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 274073867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 274173867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 2742cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2743cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2744cc495188SJianbo Liu 2745cc495188SJianbo Liu if (vlan_idx) { 2746cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2747cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2748cc495188SJianbo Liu return -EOPNOTSUPP; 2749cc495188SJianbo Liu 2750cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2751cc495188SJianbo Liu } else { 2752cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 275373867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 275473867881SPablo Neira Ayuso act->vlan.prio)) 2755cc495188SJianbo Liu return -EOPNOTSUPP; 2756cc495188SJianbo Liu 2757cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 27581482bd3dSJianbo Liu } 275973867881SPablo Neira Ayuso break; 276073867881SPablo Neira Ayuso default: 2761bdc837eeSEli Britstein return -EINVAL; 27621482bd3dSJianbo Liu } 27631482bd3dSJianbo Liu 2764cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2765cc495188SJianbo Liu 27661482bd3dSJianbo Liu return 0; 27671482bd3dSJianbo Liu } 27681482bd3dSJianbo Liu 2769278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 2770278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 2771278748a9SEli Britstein struct net_device **out_dev, 2772278748a9SEli Britstein u32 *action) 2773278748a9SEli Britstein { 2774278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 2775278748a9SEli Britstein struct flow_action_entry vlan_act = { 2776278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 2777278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 2778278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 2779278748a9SEli Britstein .vlan.prio = 0, 2780278748a9SEli Britstein }; 2781278748a9SEli Britstein int err; 2782278748a9SEli Britstein 2783278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 2784278748a9SEli Britstein if (err) 2785278748a9SEli Britstein return err; 2786278748a9SEli Britstein 2787278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 2788278748a9SEli Britstein dev_get_iflink(vlan_dev)); 2789278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 2790278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 2791278748a9SEli Britstein 2792278748a9SEli Britstein return err; 2793278748a9SEli Britstein } 2794278748a9SEli Britstein 279535a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 279635a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 279735a605dbSEli Britstein u32 *action) 279835a605dbSEli Britstein { 279935a605dbSEli Britstein int nest_level = vlan_get_encap_level(attr->parse_attr->filter_dev); 280035a605dbSEli Britstein struct flow_action_entry vlan_act = { 280135a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 280235a605dbSEli Britstein }; 280335a605dbSEli Britstein int err = 0; 280435a605dbSEli Britstein 280535a605dbSEli Britstein while (nest_level--) { 280635a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 280735a605dbSEli Britstein if (err) 280835a605dbSEli Britstein return err; 280935a605dbSEli Britstein } 281035a605dbSEli Britstein 281135a605dbSEli Britstein return err; 281235a605dbSEli Britstein } 281335a605dbSEli Britstein 2814f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 2815f6dc1264SPaul Blakey struct net_device *out_dev) 2816f6dc1264SPaul Blakey { 2817f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 2818f6dc1264SPaul Blakey return true; 2819f6dc1264SPaul Blakey 2820f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 2821f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 2822f6dc1264SPaul Blakey } 2823f6dc1264SPaul Blakey 282473867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 282573867881SPablo Neira Ayuso struct flow_action *flow_action, 2826e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2827e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2828a54e20b4SHadar Hen Zion { 282973867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 2830bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2831ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 28326f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 28331d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 283473867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 283573867881SPablo Neira Ayuso const struct flow_action_entry *act; 2836a54e20b4SHadar Hen Zion bool encap = false; 28371cab1cd7SOr Gerlitz u32 action = 0; 2838244cd96aSCong Wang int err, i; 283903a9d11eSOr Gerlitz 284073867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 284103a9d11eSOr Gerlitz return -EINVAL; 284203a9d11eSOr Gerlitz 284373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 284473867881SPablo Neira Ayuso switch (act->id) { 284573867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 28461cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 284703a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 284873867881SPablo Neira Ayuso break; 284973867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 285073867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 285173867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 2852c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2853d7e75a32SOr Gerlitz if (err) 2854d7e75a32SOr Gerlitz return err; 2855d7e75a32SOr Gerlitz 28561cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2857e85e02baSEli Britstein attr->split_count = attr->out_count; 285873867881SPablo Neira Ayuso break; 285973867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 28601cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 286173867881SPablo Neira Ayuso act->csum_flags, extack)) 286273867881SPablo Neira Ayuso break; 286326c02749SOr Gerlitz 286426c02749SOr Gerlitz return -EOPNOTSUPP; 286573867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 286673867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 286703a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2868592d3651SChris Mi struct net_device *out_dev; 286903a9d11eSOr Gerlitz 287073867881SPablo Neira Ayuso out_dev = act->dev; 2871ef381359SOz Shlomo if (!out_dev) { 2872ef381359SOz Shlomo /* out_dev is NULL when filters with 2873ef381359SOz Shlomo * non-existing mirred device are replayed to 2874ef381359SOz Shlomo * the driver. 2875ef381359SOz Shlomo */ 2876ef381359SOz Shlomo return -EINVAL; 2877ef381359SOz Shlomo } 287803a9d11eSOr Gerlitz 2879592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2880e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2881e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2882592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2883592d3651SChris Mi attr->out_count); 2884592d3651SChris Mi return -EOPNOTSUPP; 2885592d3651SChris Mi } 2886592d3651SChris Mi 2887f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2888f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 2889f6dc1264SPaul Blakey if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 28907ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 28917ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 28927ba58ba7SRabie Loulou struct net_device *uplink_upper = netdev_master_upper_dev_get(uplink_dev); 28937ba58ba7SRabie Loulou 28947ba58ba7SRabie Loulou if (uplink_upper && 28957ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 28967ba58ba7SRabie Loulou uplink_upper == out_dev) 28977ba58ba7SRabie Loulou out_dev = uplink_dev; 28987ba58ba7SRabie Loulou 2899278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 2900278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 2901278748a9SEli Britstein &out_dev, 2902278748a9SEli Britstein &action); 2903278748a9SEli Britstein if (err) 2904278748a9SEli Britstein return err; 2905278748a9SEli Britstein } 2906f6dc1264SPaul Blakey 290735a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 290835a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 290935a605dbSEli Britstein &action); 291035a605dbSEli Britstein if (err) 291135a605dbSEli Britstein return err; 291235a605dbSEli Britstein } 2913278748a9SEli Britstein 2914f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 2915f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2916f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 2917f6dc1264SPaul Blakey pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2918f6dc1264SPaul Blakey priv->netdev->name, out_dev->name); 2919a0646c88SEli Britstein return -EOPNOTSUPP; 2920f6dc1264SPaul Blakey } 2921a0646c88SEli Britstein 292203a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 29231d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2924df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 2925df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 2926df65a573SEli Britstein attr->out_count++; 2927a54e20b4SHadar Hen Zion } else if (encap) { 29288c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 29298c4dc42bSEli Britstein out_dev->ifindex; 29301f6da306SYevgeny Kliteynik parse_attr->tun_info[attr->out_count] = info; 29318c4dc42bSEli Britstein encap = false; 2932f493f155SEli Britstein attr->dests[attr->out_count].flags |= 2933f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 29341cc26d74SEli Britstein attr->out_count++; 2935df65a573SEli Britstein /* attr->dests[].rep is resolved when we 2936df65a573SEli Britstein * handle encap 2937df65a573SEli Britstein */ 2938ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 2939ef381359SOz Shlomo /* All mlx5 devices are called to configure 2940ef381359SOz Shlomo * high level device filters. Therefore, the 2941ef381359SOz Shlomo * *attempt* to install a filter on invalid 2942ef381359SOz Shlomo * eswitch should not trigger an explicit error 2943ef381359SOz Shlomo */ 2944ef381359SOz Shlomo return -EINVAL; 2945a54e20b4SHadar Hen Zion } else { 2946e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2947e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2948a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2949a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2950a54e20b4SHadar Hen Zion return -EINVAL; 2951a54e20b4SHadar Hen Zion } 2952a54e20b4SHadar Hen Zion } 295373867881SPablo Neira Ayuso break; 295473867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 295573867881SPablo Neira Ayuso info = act->tunnel; 2956a54e20b4SHadar Hen Zion if (info) 2957a54e20b4SHadar Hen Zion encap = true; 2958a54e20b4SHadar Hen Zion else 2959a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 296003a9d11eSOr Gerlitz 296173867881SPablo Neira Ayuso break; 296273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 296373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 296476b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 296576b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 296676b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 296776b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 296876b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 296976b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 297076b496b1SEli Britstein act, parse_attr, hdrs, 297176b496b1SEli Britstein &action, extack); 297276b496b1SEli Britstein } else { 297373867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 297476b496b1SEli Britstein } 29751482bd3dSJianbo Liu if (err) 29761482bd3dSJianbo Liu return err; 29771482bd3dSJianbo Liu 2978e85e02baSEli Britstein attr->split_count = attr->out_count; 297973867881SPablo Neira Ayuso break; 2980bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2981bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2982bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 2983bdc837eeSEli Britstein act, parse_attr, hdrs, 2984bdc837eeSEli Britstein &action, extack); 2985bdc837eeSEli Britstein if (err) 2986bdc837eeSEli Britstein return err; 2987bdc837eeSEli Britstein 2988bdc837eeSEli Britstein attr->split_count = attr->out_count; 2989bdc837eeSEli Britstein break; 299073867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 29911cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 299273867881SPablo Neira Ayuso break; 299373867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 299473867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 2995bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2996bf07aa73SPaul Blakey 2997bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2998bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2999bf07aa73SPaul Blakey return -EOPNOTSUPP; 3000bf07aa73SPaul Blakey } 3001bf07aa73SPaul Blakey if (dest_chain > max_chain) { 3002bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 3003bf07aa73SPaul Blakey return -EOPNOTSUPP; 3004bf07aa73SPaul Blakey } 3005e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3006bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 300773867881SPablo Neira Ayuso break; 3008bf07aa73SPaul Blakey } 300973867881SPablo Neira Ayuso default: 30102cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 30112cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 301203a9d11eSOr Gerlitz } 301373867881SPablo Neira Ayuso } 3014bdd66ac0SOr Gerlitz 30150bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 30160bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 30170bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 30180bac1194SEli Britstein * tag rewrite. 30190bac1194SEli Britstein */ 30200bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 30210bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 30220bac1194SEli Britstein &action, extack); 30230bac1194SEli Britstein if (err) 30240bac1194SEli Britstein return err; 30250bac1194SEli Britstein } 30260bac1194SEli Britstein 3027c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3028c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 302984be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 303027c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3031c500c86bSPablo Neira Ayuso if (err) 3032c500c86bSPablo Neira Ayuso return err; 303327c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 303427c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 303527c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 303627c11b6bSEli Britstein */ 303727c11b6bSEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 303827c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3039e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 304027c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 304127c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 304227c11b6bSEli Britstein attr->split_count = 0; 304327c11b6bSEli Britstein } 3044c500c86bSPablo Neira Ayuso } 3045c500c86bSPablo Neira Ayuso 30461cab1cd7SOr Gerlitz attr->action = action; 304773867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3048bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3049bdd66ac0SOr Gerlitz 3050e88afe75SOr Gerlitz if (attr->dest_chain) { 3051e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3052e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3053e88afe75SOr Gerlitz return -EOPNOTSUPP; 3054e88afe75SOr Gerlitz } 3055e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3056e88afe75SOr Gerlitz } 3057e88afe75SOr Gerlitz 3058e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3059e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3060e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3061592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3062592d3651SChris Mi return -EOPNOTSUPP; 3063592d3651SChris Mi } 3064592d3651SChris Mi 306531c8eba5SOr Gerlitz return 0; 306603a9d11eSOr Gerlitz } 306703a9d11eSOr Gerlitz 30685dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 306960bd4af8SOr Gerlitz { 30705dbe906fSPaul Blakey u16 __flow_flags = 0; 307160bd4af8SOr Gerlitz 307260bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 307360bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 307460bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 307560bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 307660bd4af8SOr Gerlitz 3077d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) 3078d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_ESWITCH; 3079d9ee0491SOr Gerlitz if (flags & MLX5E_TC_NIC_OFFLOAD) 3080d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_NIC; 3081d9ee0491SOr Gerlitz 308260bd4af8SOr Gerlitz *flow_flags = __flow_flags; 308360bd4af8SOr Gerlitz } 308460bd4af8SOr Gerlitz 308505866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 308605866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 308705866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 308805866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 308905866c82SOr Gerlitz .automatic_shrinking = true, 309005866c82SOr Gerlitz }; 309105866c82SOr Gerlitz 3092d9ee0491SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, int flags) 309305866c82SOr Gerlitz { 3094655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3095655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3096655dc3d2SOr Gerlitz 3097d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) { 3098655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3099ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3100d9ee0491SOr Gerlitz } else /* NIC offload */ 310105866c82SOr Gerlitz return &priv->fs.tc.ht; 310205866c82SOr Gerlitz } 310305866c82SOr Gerlitz 310404de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 310504de7ddaSRoi Dayan { 31061418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3107b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 31081418ddd9SAviv Heller flow->flags & MLX5E_TC_FLOW_INGRESS; 31091418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 31101418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 31111418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 31121418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 31131418ddd9SAviv Heller 311410fbb1cdSRoi Dayan if (!esw_paired) 311510fbb1cdSRoi Dayan return false; 311610fbb1cdSRoi Dayan 311710fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 311810fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 311910fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 312010fbb1cdSRoi Dayan return true; 312110fbb1cdSRoi Dayan 312210fbb1cdSRoi Dayan return false; 312304de7ddaSRoi Dayan } 312404de7ddaSRoi Dayan 3125a88780a9SRoi Dayan static int 3126a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3127f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, u16 flow_flags, 3128a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3129a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3130e3a2b7edSAmir Vadai { 313117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 31323bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 31335a7e5bcbSVlad Buslov int out_index, err; 3134776b12b6SOr Gerlitz 313565ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 31361b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 313717091853SOr Gerlitz if (!parse_attr || !flow) { 3138e3a2b7edSAmir Vadai err = -ENOMEM; 3139e3a2b7edSAmir Vadai goto err_free; 3140e3a2b7edSAmir Vadai } 3141e3a2b7edSAmir Vadai 3142e3a2b7edSAmir Vadai flow->cookie = f->cookie; 314365ba8fb7SOr Gerlitz flow->flags = flow_flags; 3144655dc3d2SOr Gerlitz flow->priv = priv; 31455a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 31465a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 31475a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 31485a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 31495a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 3150e3a2b7edSAmir Vadai 3151a88780a9SRoi Dayan *__flow = flow; 3152a88780a9SRoi Dayan *__parse_attr = parse_attr; 3153a88780a9SRoi Dayan 3154a88780a9SRoi Dayan return 0; 3155a88780a9SRoi Dayan 3156a88780a9SRoi Dayan err_free: 3157a88780a9SRoi Dayan kfree(flow); 3158a88780a9SRoi Dayan kvfree(parse_attr); 3159a88780a9SRoi Dayan return err; 3160adb4c123SOr Gerlitz } 3161adb4c123SOr Gerlitz 3162988ab9c7STonghao Zhang static void 3163988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 3164988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3165988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3166f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3167988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3168988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3169988ab9c7STonghao Zhang { 3170988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3171988ab9c7STonghao Zhang 3172988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 3173988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 3174988ab9c7STonghao Zhang esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 3175988ab9c7STonghao Zhang 3176988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3177988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3178988ab9c7STonghao Zhang 3179988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3180988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3181988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3182988ab9c7STonghao Zhang else 3183988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3184988ab9c7STonghao Zhang } 3185988ab9c7STonghao Zhang 318671129676SJason Gunthorpe static struct mlx5e_tc_flow * 318704de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3188f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 31895dbe906fSPaul Blakey u16 flow_flags, 3190d11afc26SOz Shlomo struct net_device *filter_dev, 319104de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 319271129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3193a88780a9SRoi Dayan { 3194f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3195a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3196a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3197a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3198a88780a9SRoi Dayan int attr_size, err; 3199a88780a9SRoi Dayan 3200a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 3201a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3202a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3203a88780a9SRoi Dayan &parse_attr, &flow); 3204a88780a9SRoi Dayan if (err) 3205a88780a9SRoi Dayan goto out; 3206988ab9c7STonghao Zhang 3207d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3208988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 3209988ab9c7STonghao Zhang priv, parse_attr, 3210988ab9c7STonghao Zhang f, in_rep, in_mdev); 3211988ab9c7STonghao Zhang 321254c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 321354c177caSOz Shlomo f, filter_dev); 3214d11afc26SOz Shlomo if (err) 3215d11afc26SOz Shlomo goto err_free; 3216a88780a9SRoi Dayan 32176f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 3218a88780a9SRoi Dayan if (err) 3219a88780a9SRoi Dayan goto err_free; 3220a88780a9SRoi Dayan 32217040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 3222ef06c9eeSRoi Dayan if (err) { 3223ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3224aa0cbbaeSOr Gerlitz goto err_free; 32255c40348cSOr Gerlitz 3226b4a23329SRoi Dayan add_unready_flow(flow); 3227ef06c9eeSRoi Dayan } 3228ef06c9eeSRoi Dayan 322971129676SJason Gunthorpe return flow; 3230e3a2b7edSAmir Vadai 3231e3a2b7edSAmir Vadai err_free: 32325a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3233a88780a9SRoi Dayan out: 323471129676SJason Gunthorpe return ERR_PTR(err); 3235a88780a9SRoi Dayan } 3236a88780a9SRoi Dayan 3237f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 323895dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 323995dc1902SRoi Dayan u16 flow_flags) 324004de7ddaSRoi Dayan { 324104de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 324204de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 324304de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 324404de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 324504de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 324604de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 324704de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 324804de7ddaSRoi Dayan int err = 0; 324904de7ddaSRoi Dayan 325004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 325104de7ddaSRoi Dayan if (!peer_esw) 325204de7ddaSRoi Dayan return -ENODEV; 325304de7ddaSRoi Dayan 325404de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 325504de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 325604de7ddaSRoi Dayan 325704de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 325804de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 325904de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 326004de7ddaSRoi Dayan * peer mdev. 326104de7ddaSRoi Dayan */ 3262b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 326304de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 326404de7ddaSRoi Dayan else 326504de7ddaSRoi Dayan in_mdev = priv->mdev; 326604de7ddaSRoi Dayan 326704de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 326895dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 326904de7ddaSRoi Dayan parse_attr->filter_dev, 327071129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 327171129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 327271129676SJason Gunthorpe err = PTR_ERR(peer_flow); 327304de7ddaSRoi Dayan goto out; 327471129676SJason Gunthorpe } 327504de7ddaSRoi Dayan 327604de7ddaSRoi Dayan flow->peer_flow = peer_flow; 327704de7ddaSRoi Dayan flow->flags |= MLX5E_TC_FLOW_DUP; 327804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 327904de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 328004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 328104de7ddaSRoi Dayan 328204de7ddaSRoi Dayan out: 328304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 328404de7ddaSRoi Dayan return err; 328504de7ddaSRoi Dayan } 328604de7ddaSRoi Dayan 328704de7ddaSRoi Dayan static int 328804de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3289f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 329004de7ddaSRoi Dayan u16 flow_flags, 329104de7ddaSRoi Dayan struct net_device *filter_dev, 329204de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 329304de7ddaSRoi Dayan { 329404de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 329504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 329604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 329704de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 329804de7ddaSRoi Dayan int err; 329904de7ddaSRoi Dayan 330071129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 330171129676SJason Gunthorpe in_mdev); 330271129676SJason Gunthorpe if (IS_ERR(flow)) 330371129676SJason Gunthorpe return PTR_ERR(flow); 330404de7ddaSRoi Dayan 330504de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 330695dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 330704de7ddaSRoi Dayan if (err) { 330804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 330904de7ddaSRoi Dayan goto out; 331004de7ddaSRoi Dayan } 331104de7ddaSRoi Dayan } 331204de7ddaSRoi Dayan 331304de7ddaSRoi Dayan *__flow = flow; 331404de7ddaSRoi Dayan 331504de7ddaSRoi Dayan return 0; 331604de7ddaSRoi Dayan 331704de7ddaSRoi Dayan out: 331804de7ddaSRoi Dayan return err; 331904de7ddaSRoi Dayan } 332004de7ddaSRoi Dayan 3321a88780a9SRoi Dayan static int 3322a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3323f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 33245dbe906fSPaul Blakey u16 flow_flags, 3325d11afc26SOz Shlomo struct net_device *filter_dev, 3326a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3327a88780a9SRoi Dayan { 3328f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3329a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3330a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3331a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3332a88780a9SRoi Dayan int attr_size, err; 3333a88780a9SRoi Dayan 3334bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3335bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3336bf07aa73SPaul Blakey return -EOPNOTSUPP; 3337bf07aa73SPaul Blakey 3338a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 3339a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3340a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3341a88780a9SRoi Dayan &parse_attr, &flow); 3342a88780a9SRoi Dayan if (err) 3343a88780a9SRoi Dayan goto out; 3344a88780a9SRoi Dayan 3345d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 334654c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 334754c177caSOz Shlomo f, filter_dev); 3348d11afc26SOz Shlomo if (err) 3349d11afc26SOz Shlomo goto err_free; 3350d11afc26SOz Shlomo 335173867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3352a88780a9SRoi Dayan if (err) 3353a88780a9SRoi Dayan goto err_free; 3354a88780a9SRoi Dayan 3355a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3356a88780a9SRoi Dayan if (err) 3357a88780a9SRoi Dayan goto err_free; 3358a88780a9SRoi Dayan 3359a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 3360a88780a9SRoi Dayan kvfree(parse_attr); 3361a88780a9SRoi Dayan *__flow = flow; 3362a88780a9SRoi Dayan 3363a88780a9SRoi Dayan return 0; 3364a88780a9SRoi Dayan 3365a88780a9SRoi Dayan err_free: 33665a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3367a88780a9SRoi Dayan kvfree(parse_attr); 3368a88780a9SRoi Dayan out: 3369a88780a9SRoi Dayan return err; 3370a88780a9SRoi Dayan } 3371a88780a9SRoi Dayan 3372a88780a9SRoi Dayan static int 3373a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3374f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3375a88780a9SRoi Dayan int flags, 3376d11afc26SOz Shlomo struct net_device *filter_dev, 3377a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3378a88780a9SRoi Dayan { 3379a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 33805dbe906fSPaul Blakey u16 flow_flags; 3381a88780a9SRoi Dayan int err; 3382a88780a9SRoi Dayan 3383a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3384a88780a9SRoi Dayan 3385bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3386bf07aa73SPaul Blakey return -EOPNOTSUPP; 3387bf07aa73SPaul Blakey 3388f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3389d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3390d11afc26SOz Shlomo filter_dev, flow); 3391a88780a9SRoi Dayan else 3392d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3393d11afc26SOz Shlomo filter_dev, flow); 3394a88780a9SRoi Dayan 3395a88780a9SRoi Dayan return err; 3396a88780a9SRoi Dayan } 3397a88780a9SRoi Dayan 339871d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3399f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, int flags) 3400a88780a9SRoi Dayan { 3401a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3402d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3403a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3404a88780a9SRoi Dayan int err = 0; 3405a88780a9SRoi Dayan 3406a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3407a88780a9SRoi Dayan if (flow) { 3408a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3409a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3410a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3411a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3412a88780a9SRoi Dayan f->cookie); 34130e1c1a2fSVlad Buslov err = -EEXIST; 3414a88780a9SRoi Dayan goto out; 3415a88780a9SRoi Dayan } 3416a88780a9SRoi Dayan 3417d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3418a88780a9SRoi Dayan if (err) 3419a88780a9SRoi Dayan goto out; 3420a88780a9SRoi Dayan 3421a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 3422a88780a9SRoi Dayan if (err) 3423a88780a9SRoi Dayan goto err_free; 3424a88780a9SRoi Dayan 3425a88780a9SRoi Dayan return 0; 3426a88780a9SRoi Dayan 3427a88780a9SRoi Dayan err_free: 34285a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3429a88780a9SRoi Dayan out: 3430e3a2b7edSAmir Vadai return err; 3431e3a2b7edSAmir Vadai } 3432e3a2b7edSAmir Vadai 34338f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 34348f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 34358f8ae895SOr Gerlitz 34368f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 34378f8ae895SOr Gerlitz { 34388f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 34398f8ae895SOr Gerlitz return true; 34408f8ae895SOr Gerlitz 34418f8ae895SOr Gerlitz return false; 34428f8ae895SOr Gerlitz } 34438f8ae895SOr Gerlitz 344471d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 3445f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, int flags) 3446e3a2b7edSAmir Vadai { 3447d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3448e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3449e3a2b7edSAmir Vadai 345005866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 34518f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3452e3a2b7edSAmir Vadai return -EINVAL; 3453e3a2b7edSAmir Vadai 345405866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3455e3a2b7edSAmir Vadai 34565a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3457e3a2b7edSAmir Vadai 3458e3a2b7edSAmir Vadai return 0; 3459e3a2b7edSAmir Vadai } 3460e3a2b7edSAmir Vadai 346171d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 3462f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, int flags) 3463aad7e08dSAmir Vadai { 346404de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3465d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 346604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3467aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3468aad7e08dSAmir Vadai struct mlx5_fc *counter; 3469316d5f72SRoi Dayan u64 lastuse = 0; 3470316d5f72SRoi Dayan u64 packets = 0; 3471316d5f72SRoi Dayan u64 bytes = 0; 34725a7e5bcbSVlad Buslov int err = 0; 3473aad7e08dSAmir Vadai 34745a7e5bcbSVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup_fast(tc_ht, &f->cookie, 34755a7e5bcbSVlad Buslov tc_ht_params)); 34765a7e5bcbSVlad Buslov if (IS_ERR(flow)) 34775a7e5bcbSVlad Buslov return PTR_ERR(flow); 34785a7e5bcbSVlad Buslov 34795a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 34805a7e5bcbSVlad Buslov err = -EINVAL; 34815a7e5bcbSVlad Buslov goto errout; 34825a7e5bcbSVlad Buslov } 3483aad7e08dSAmir Vadai 3484316d5f72SRoi Dayan if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 3485b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3486aad7e08dSAmir Vadai if (!counter) 34875a7e5bcbSVlad Buslov goto errout; 3488aad7e08dSAmir Vadai 3489aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3490316d5f72SRoi Dayan } 3491aad7e08dSAmir Vadai 3492316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3493316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3494316d5f72SRoi Dayan */ 349504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 349604de7ddaSRoi Dayan if (!peer_esw) 349704de7ddaSRoi Dayan goto out; 349804de7ddaSRoi Dayan 349904de7ddaSRoi Dayan if ((flow->flags & MLX5E_TC_FLOW_DUP) && 350004de7ddaSRoi Dayan (flow->peer_flow->flags & MLX5E_TC_FLOW_OFFLOADED)) { 350104de7ddaSRoi Dayan u64 bytes2; 350204de7ddaSRoi Dayan u64 packets2; 350304de7ddaSRoi Dayan u64 lastuse2; 350404de7ddaSRoi Dayan 350504de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3506316d5f72SRoi Dayan if (!counter) 3507316d5f72SRoi Dayan goto no_peer_counter; 350804de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 350904de7ddaSRoi Dayan 351004de7ddaSRoi Dayan bytes += bytes2; 351104de7ddaSRoi Dayan packets += packets2; 351204de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 351304de7ddaSRoi Dayan } 351404de7ddaSRoi Dayan 3515316d5f72SRoi Dayan no_peer_counter: 351604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 351704de7ddaSRoi Dayan out: 35183b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 35195a7e5bcbSVlad Buslov errout: 35205a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 35215a7e5bcbSVlad Buslov return err; 3522aad7e08dSAmir Vadai } 3523aad7e08dSAmir Vadai 35244d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 35254d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 35264d8fcf21SAlaa Hleihel { 35274d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 35284d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 35294d8fcf21SAlaa Hleihel u16 peer_vhca_id; 35304d8fcf21SAlaa Hleihel int bkt; 35314d8fcf21SAlaa Hleihel 35324d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 35334d8fcf21SAlaa Hleihel return; 35344d8fcf21SAlaa Hleihel 35354d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 35364d8fcf21SAlaa Hleihel 35374d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 35384d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 35394d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 35404d8fcf21SAlaa Hleihel } 35414d8fcf21SAlaa Hleihel } 35424d8fcf21SAlaa Hleihel 35434d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 35444d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 35454d8fcf21SAlaa Hleihel { 35464d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 35474d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 35484d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 35494d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 35504d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 35514d8fcf21SAlaa Hleihel 35524d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 35534d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 35544d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 35554d8fcf21SAlaa Hleihel return NOTIFY_DONE; 35564d8fcf21SAlaa Hleihel 35574d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 35584d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 35594d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 35604d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 35614d8fcf21SAlaa Hleihel if (priv == peer_priv || 35624d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 35634d8fcf21SAlaa Hleihel return NOTIFY_DONE; 35644d8fcf21SAlaa Hleihel 35654d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 35664d8fcf21SAlaa Hleihel 35674d8fcf21SAlaa Hleihel return NOTIFY_DONE; 35684d8fcf21SAlaa Hleihel } 35694d8fcf21SAlaa Hleihel 3570655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3571e8f887acSAmir Vadai { 3572acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 35734d8fcf21SAlaa Hleihel int err; 3574e8f887acSAmir Vadai 357511c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 35765c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 357711c9c548SOr Gerlitz 35784d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 35794d8fcf21SAlaa Hleihel if (err) 35804d8fcf21SAlaa Hleihel return err; 35814d8fcf21SAlaa Hleihel 35824d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 35834d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 35844d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 35854d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 35864d8fcf21SAlaa Hleihel } 35874d8fcf21SAlaa Hleihel 35884d8fcf21SAlaa Hleihel return err; 3589e8f887acSAmir Vadai } 3590e8f887acSAmir Vadai 3591e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3592e8f887acSAmir Vadai { 3593e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3594655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3595e8f887acSAmir Vadai 3596961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3597e8f887acSAmir Vadai kfree(flow); 3598e8f887acSAmir Vadai } 3599e8f887acSAmir Vadai 3600655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3601e8f887acSAmir Vadai { 3602acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3603e8f887acSAmir Vadai 36044d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 36054d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 36064d8fcf21SAlaa Hleihel 3607d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 3608e8f887acSAmir Vadai 3609acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3610acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3611acff797cSMaor Gottlieb tc->t = NULL; 3612e8f887acSAmir Vadai } 3613e8f887acSAmir Vadai } 3614655dc3d2SOr Gerlitz 3615655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3616655dc3d2SOr Gerlitz { 3617655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3618655dc3d2SOr Gerlitz } 3619655dc3d2SOr Gerlitz 3620655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3621655dc3d2SOr Gerlitz { 3622655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3623655dc3d2SOr Gerlitz } 362401252a27SOr Gerlitz 3625d9ee0491SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv, int flags) 362601252a27SOr Gerlitz { 3627d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 362801252a27SOr Gerlitz 362901252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 363001252a27SOr Gerlitz } 363104de7ddaSRoi Dayan 363204de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 363304de7ddaSRoi Dayan { 363404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 363504de7ddaSRoi Dayan 363604de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 363704de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 363804de7ddaSRoi Dayan } 3639b4a23329SRoi Dayan 3640b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 3641b4a23329SRoi Dayan { 3642b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 3643b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 3644b4a23329SRoi Dayan reoffload_flows_work); 3645b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 3646b4a23329SRoi Dayan 3647b4a23329SRoi Dayan rtnl_lock(); 3648b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 3649b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 3650b4a23329SRoi Dayan remove_unready_flow(flow); 3651b4a23329SRoi Dayan } 3652b4a23329SRoi Dayan rtnl_unlock(); 3653b4a23329SRoi Dayan } 3654