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> 4103a9d11eSOr Gerlitz #include <net/switchdev.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> 48e8f887acSAmir Vadai #include "en.h" 491d447a39SSaeed Mahameed #include "en_rep.h" 50232c0013SHadar Hen Zion #include "en_tc.h" 5103a9d11eSOr Gerlitz #include "eswitch.h" 523f6d08d1SOr Gerlitz #include "fs_core.h" 532c81bfd5SHuy Nguyen #include "en/port.h" 54101f4de9SOz Shlomo #include "en/tc_tun.h" 55e8f887acSAmir Vadai 563bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 573bc4b7bfSOr Gerlitz u32 action; 583bc4b7bfSOr Gerlitz u32 flow_tag; 592f4fe4caSOr Gerlitz u32 mod_hdr_id; 605c65c564SOr Gerlitz u32 hairpin_tirn; 6138aa51c1SOr Gerlitz u8 match_level; 623f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 63b8aee822SMark Bloch struct mlx5_fc *counter; 643bc4b7bfSOr Gerlitz }; 653bc4b7bfSOr Gerlitz 6660bd4af8SOr Gerlitz #define MLX5E_TC_FLOW_BASE (MLX5E_TC_LAST_EXPORTED_BIT + 1) 6760bd4af8SOr Gerlitz 6865ba8fb7SOr Gerlitz enum { 6960bd4af8SOr Gerlitz MLX5E_TC_FLOW_INGRESS = MLX5E_TC_INGRESS, 7060bd4af8SOr Gerlitz MLX5E_TC_FLOW_EGRESS = MLX5E_TC_EGRESS, 7160bd4af8SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = BIT(MLX5E_TC_FLOW_BASE), 7260bd4af8SOr Gerlitz MLX5E_TC_FLOW_NIC = BIT(MLX5E_TC_FLOW_BASE + 1), 7360bd4af8SOr Gerlitz MLX5E_TC_FLOW_OFFLOADED = BIT(MLX5E_TC_FLOW_BASE + 2), 7460bd4af8SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(MLX5E_TC_FLOW_BASE + 3), 7560bd4af8SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(MLX5E_TC_FLOW_BASE + 4), 765dbe906fSPaul Blakey MLX5E_TC_FLOW_SLOW = BIT(MLX5E_TC_FLOW_BASE + 5), 7765ba8fb7SOr Gerlitz }; 7865ba8fb7SOr Gerlitz 79e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 80e4ad91f2SChris Mi 81e8f887acSAmir Vadai struct mlx5e_tc_flow { 82e8f887acSAmir Vadai struct rhash_head node; 83655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 84e8f887acSAmir Vadai u64 cookie; 855dbe906fSPaul Blakey u16 flags; 86e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 8711c9c548SOr Gerlitz struct list_head encap; /* flows sharing the same encap ID */ 8811c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 895c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 903bc4b7bfSOr Gerlitz union { 91ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 923bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 933bc4b7bfSOr Gerlitz }; 94e8f887acSAmir Vadai }; 95e8f887acSAmir Vadai 9617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 973c37745eSOr Gerlitz struct ip_tunnel_info tun_info; 98d11afc26SOz Shlomo struct net_device *filter_dev; 9917091853SOr Gerlitz struct mlx5_flow_spec spec; 100d79b6df6SOr Gerlitz int num_mod_hdr_actions; 101d79b6df6SOr Gerlitz void *mod_hdr_actions; 1023c37745eSOr Gerlitz int mirred_ifindex; 10317091853SOr Gerlitz }; 10417091853SOr Gerlitz 105acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 106b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 107e8f887acSAmir Vadai 10877ab67b7SOr Gerlitz struct mlx5e_hairpin { 10977ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 11077ab67b7SOr Gerlitz 11177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1123f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 11377ab67b7SOr Gerlitz u32 tdn; 11477ab67b7SOr Gerlitz u32 tirn; 1153f6d08d1SOr Gerlitz 1163f6d08d1SOr Gerlitz int num_channels; 1173f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1183f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1193f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 12077ab67b7SOr Gerlitz }; 12177ab67b7SOr Gerlitz 1225c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1235c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1245c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1255c65c564SOr Gerlitz 1265c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1275c65c564SOr Gerlitz struct list_head flows; 1285c65c564SOr Gerlitz 129d8822868SOr Gerlitz u16 peer_vhca_id; 130106be53bSOr Gerlitz u8 prio; 1315c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1325c65c564SOr Gerlitz }; 1335c65c564SOr Gerlitz 13411c9c548SOr Gerlitz struct mod_hdr_key { 13511c9c548SOr Gerlitz int num_actions; 13611c9c548SOr Gerlitz void *actions; 13711c9c548SOr Gerlitz }; 13811c9c548SOr Gerlitz 13911c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 14011c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 14111c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 14211c9c548SOr Gerlitz 14311c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 14411c9c548SOr Gerlitz struct list_head flows; 14511c9c548SOr Gerlitz 14611c9c548SOr Gerlitz struct mod_hdr_key key; 14711c9c548SOr Gerlitz 14811c9c548SOr Gerlitz u32 mod_hdr_id; 14911c9c548SOr Gerlitz }; 15011c9c548SOr Gerlitz 15111c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 15211c9c548SOr Gerlitz 15311c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 15411c9c548SOr Gerlitz { 15511c9c548SOr Gerlitz return jhash(key->actions, 15611c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 15711c9c548SOr Gerlitz } 15811c9c548SOr Gerlitz 15911c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 16011c9c548SOr Gerlitz struct mod_hdr_key *b) 16111c9c548SOr Gerlitz { 16211c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 16311c9c548SOr Gerlitz return 1; 16411c9c548SOr Gerlitz 16511c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 16611c9c548SOr Gerlitz } 16711c9c548SOr Gerlitz 16811c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 16911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 17011c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 17111c9c548SOr Gerlitz { 17211c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 17311c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 17411c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 17511c9c548SOr Gerlitz struct mod_hdr_key key; 17611c9c548SOr Gerlitz bool found = false; 17711c9c548SOr Gerlitz u32 hash_key; 17811c9c548SOr Gerlitz 17911c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 18011c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 18111c9c548SOr Gerlitz 18211c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 18311c9c548SOr Gerlitz key.num_actions = num_actions; 18411c9c548SOr Gerlitz 18511c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 18611c9c548SOr Gerlitz 18711c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 18811c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 18911c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 19011c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 19111c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 19211c9c548SOr Gerlitz found = true; 19311c9c548SOr Gerlitz break; 19411c9c548SOr Gerlitz } 19511c9c548SOr Gerlitz } 19611c9c548SOr Gerlitz } else { 19711c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 19811c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 19911c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 20011c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 20111c9c548SOr Gerlitz found = true; 20211c9c548SOr Gerlitz break; 20311c9c548SOr Gerlitz } 20411c9c548SOr Gerlitz } 20511c9c548SOr Gerlitz } 20611c9c548SOr Gerlitz 20711c9c548SOr Gerlitz if (found) 20811c9c548SOr Gerlitz goto attach_flow; 20911c9c548SOr Gerlitz 21011c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 21111c9c548SOr Gerlitz if (!mh) 21211c9c548SOr Gerlitz return -ENOMEM; 21311c9c548SOr Gerlitz 21411c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 21511c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 21611c9c548SOr Gerlitz mh->key.num_actions = num_actions; 21711c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 21811c9c548SOr Gerlitz 21911c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 22011c9c548SOr Gerlitz mh->key.num_actions, 22111c9c548SOr Gerlitz mh->key.actions, 22211c9c548SOr Gerlitz &mh->mod_hdr_id); 22311c9c548SOr Gerlitz if (err) 22411c9c548SOr Gerlitz goto out_err; 22511c9c548SOr Gerlitz 22611c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 22711c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 22811c9c548SOr Gerlitz else 22911c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 23011c9c548SOr Gerlitz 23111c9c548SOr Gerlitz attach_flow: 23211c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 23311c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 23411c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 23511c9c548SOr Gerlitz else 23611c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 23711c9c548SOr Gerlitz 23811c9c548SOr Gerlitz return 0; 23911c9c548SOr Gerlitz 24011c9c548SOr Gerlitz out_err: 24111c9c548SOr Gerlitz kfree(mh); 24211c9c548SOr Gerlitz return err; 24311c9c548SOr Gerlitz } 24411c9c548SOr Gerlitz 24511c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 24611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 24711c9c548SOr Gerlitz { 24811c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 24911c9c548SOr Gerlitz 25011c9c548SOr Gerlitz list_del(&flow->mod_hdr); 25111c9c548SOr Gerlitz 25211c9c548SOr Gerlitz if (list_empty(next)) { 25311c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 25411c9c548SOr Gerlitz 25511c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 25611c9c548SOr Gerlitz 25711c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 25811c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 25911c9c548SOr Gerlitz kfree(mh); 26011c9c548SOr Gerlitz } 26111c9c548SOr Gerlitz } 26211c9c548SOr Gerlitz 26377ab67b7SOr Gerlitz static 26477ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 26577ab67b7SOr Gerlitz { 26677ab67b7SOr Gerlitz struct net_device *netdev; 26777ab67b7SOr Gerlitz struct mlx5e_priv *priv; 26877ab67b7SOr Gerlitz 26977ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 27077ab67b7SOr Gerlitz priv = netdev_priv(netdev); 27177ab67b7SOr Gerlitz return priv->mdev; 27277ab67b7SOr Gerlitz } 27377ab67b7SOr Gerlitz 27477ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 27577ab67b7SOr Gerlitz { 27677ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 27777ab67b7SOr Gerlitz void *tirc; 27877ab67b7SOr Gerlitz int err; 27977ab67b7SOr Gerlitz 28077ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 28177ab67b7SOr Gerlitz if (err) 28277ab67b7SOr Gerlitz goto alloc_tdn_err; 28377ab67b7SOr Gerlitz 28477ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 28577ab67b7SOr Gerlitz 28677ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 287ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 28877ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 28977ab67b7SOr Gerlitz 29077ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 29177ab67b7SOr Gerlitz if (err) 29277ab67b7SOr Gerlitz goto create_tir_err; 29377ab67b7SOr Gerlitz 29477ab67b7SOr Gerlitz return 0; 29577ab67b7SOr Gerlitz 29677ab67b7SOr Gerlitz create_tir_err: 29777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 29877ab67b7SOr Gerlitz alloc_tdn_err: 29977ab67b7SOr Gerlitz return err; 30077ab67b7SOr Gerlitz } 30177ab67b7SOr Gerlitz 30277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 30377ab67b7SOr Gerlitz { 30477ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 30577ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 30677ab67b7SOr Gerlitz } 30777ab67b7SOr Gerlitz 3083f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3093f6d08d1SOr Gerlitz { 3103f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3113f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3123f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3133f6d08d1SOr Gerlitz 3143f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3153f6d08d1SOr Gerlitz hp->num_channels); 3163f6d08d1SOr Gerlitz 3173f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3183f6d08d1SOr Gerlitz ix = i; 319bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 3203f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3213f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3223f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3233f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3243f6d08d1SOr Gerlitz } 3253f6d08d1SOr Gerlitz } 3263f6d08d1SOr Gerlitz 3273f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3283f6d08d1SOr Gerlitz { 3293f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3303f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3313f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3323f6d08d1SOr Gerlitz void *rqtc; 3333f6d08d1SOr Gerlitz u32 *in; 3343f6d08d1SOr Gerlitz 3353f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3363f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3373f6d08d1SOr Gerlitz if (!in) 3383f6d08d1SOr Gerlitz return -ENOMEM; 3393f6d08d1SOr Gerlitz 3403f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3413f6d08d1SOr Gerlitz 3423f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3433f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3443f6d08d1SOr Gerlitz 3453f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3463f6d08d1SOr Gerlitz 3473f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3483f6d08d1SOr Gerlitz if (!err) 3493f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3503f6d08d1SOr Gerlitz 3513f6d08d1SOr Gerlitz kvfree(in); 3523f6d08d1SOr Gerlitz return err; 3533f6d08d1SOr Gerlitz } 3543f6d08d1SOr Gerlitz 3553f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3563f6d08d1SOr Gerlitz { 3573f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3583f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3593f6d08d1SOr Gerlitz int tt, i, err; 3603f6d08d1SOr Gerlitz void *tirc; 3613f6d08d1SOr Gerlitz 3623f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 363d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 364d930ac79SAya Levin 3653f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3663f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3673f6d08d1SOr Gerlitz 3683f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 3693f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 3703f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 371bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 372bbeb53b8SAya Levin 3733f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 3743f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 3753f6d08d1SOr Gerlitz if (err) { 3763f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 3773f6d08d1SOr Gerlitz goto err_destroy_tirs; 3783f6d08d1SOr Gerlitz } 3793f6d08d1SOr Gerlitz } 3803f6d08d1SOr Gerlitz return 0; 3813f6d08d1SOr Gerlitz 3823f6d08d1SOr Gerlitz err_destroy_tirs: 3833f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 3843f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 3853f6d08d1SOr Gerlitz return err; 3863f6d08d1SOr Gerlitz } 3873f6d08d1SOr Gerlitz 3883f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 3893f6d08d1SOr Gerlitz { 3903f6d08d1SOr Gerlitz int tt; 3913f6d08d1SOr Gerlitz 3923f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 3933f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 3943f6d08d1SOr Gerlitz } 3953f6d08d1SOr Gerlitz 3963f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 3973f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 3983f6d08d1SOr Gerlitz { 3993f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4003f6d08d1SOr Gerlitz int tt; 4013f6d08d1SOr Gerlitz 4023f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4033f6d08d1SOr Gerlitz 4043f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4053f6d08d1SOr Gerlitz 4063f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4073f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4083f6d08d1SOr Gerlitz 4093f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4103f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4113f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4123f6d08d1SOr Gerlitz } 4133f6d08d1SOr Gerlitz 4143f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4153f6d08d1SOr Gerlitz { 4163f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4173f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4183f6d08d1SOr Gerlitz int err; 4193f6d08d1SOr Gerlitz 4203f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4213f6d08d1SOr Gerlitz if (err) 4223f6d08d1SOr Gerlitz return err; 4233f6d08d1SOr Gerlitz 4243f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4253f6d08d1SOr Gerlitz if (err) 4263f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4273f6d08d1SOr Gerlitz 4283f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4293f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4303f6d08d1SOr Gerlitz if (err) 4313f6d08d1SOr Gerlitz goto err_create_ttc_table; 4323f6d08d1SOr Gerlitz 4333f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4343f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4353f6d08d1SOr Gerlitz 4363f6d08d1SOr Gerlitz return 0; 4373f6d08d1SOr Gerlitz 4383f6d08d1SOr Gerlitz err_create_ttc_table: 4393f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4403f6d08d1SOr Gerlitz err_create_indirect_tirs: 4413f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4423f6d08d1SOr Gerlitz 4433f6d08d1SOr Gerlitz return err; 4443f6d08d1SOr Gerlitz } 4453f6d08d1SOr Gerlitz 4463f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4473f6d08d1SOr Gerlitz { 4483f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4493f6d08d1SOr Gerlitz 4503f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4513f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4523f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4533f6d08d1SOr Gerlitz } 4543f6d08d1SOr Gerlitz 45577ab67b7SOr Gerlitz static struct mlx5e_hairpin * 45677ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 45777ab67b7SOr Gerlitz int peer_ifindex) 45877ab67b7SOr Gerlitz { 45977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 46077ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 46177ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 46277ab67b7SOr Gerlitz int err; 46377ab67b7SOr Gerlitz 46477ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 46577ab67b7SOr Gerlitz if (!hp) 46677ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 46777ab67b7SOr Gerlitz 46877ab67b7SOr Gerlitz func_mdev = priv->mdev; 46977ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 47077ab67b7SOr Gerlitz 47177ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 47277ab67b7SOr Gerlitz if (IS_ERR(pair)) { 47377ab67b7SOr Gerlitz err = PTR_ERR(pair); 47477ab67b7SOr Gerlitz goto create_pair_err; 47577ab67b7SOr Gerlitz } 47677ab67b7SOr Gerlitz hp->pair = pair; 47777ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 4783f6d08d1SOr Gerlitz hp->func_priv = priv; 4793f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 48077ab67b7SOr Gerlitz 48177ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 48277ab67b7SOr Gerlitz if (err) 48377ab67b7SOr Gerlitz goto create_transport_err; 48477ab67b7SOr Gerlitz 4853f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 4863f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 4873f6d08d1SOr Gerlitz if (err) 4883f6d08d1SOr Gerlitz goto rss_init_err; 4893f6d08d1SOr Gerlitz } 4903f6d08d1SOr Gerlitz 49177ab67b7SOr Gerlitz return hp; 49277ab67b7SOr Gerlitz 4933f6d08d1SOr Gerlitz rss_init_err: 4943f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 49577ab67b7SOr Gerlitz create_transport_err: 49677ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 49777ab67b7SOr Gerlitz create_pair_err: 49877ab67b7SOr Gerlitz kfree(hp); 49977ab67b7SOr Gerlitz return ERR_PTR(err); 50077ab67b7SOr Gerlitz } 50177ab67b7SOr Gerlitz 50277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 50377ab67b7SOr Gerlitz { 5043f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5053f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 50677ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 50777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 50877ab67b7SOr Gerlitz kvfree(hp); 50977ab67b7SOr Gerlitz } 51077ab67b7SOr Gerlitz 511106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 512106be53bSOr Gerlitz { 513106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 514106be53bSOr Gerlitz } 515106be53bSOr Gerlitz 5165c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 517106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5185c65c564SOr Gerlitz { 5195c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 520106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5215c65c564SOr Gerlitz 5225c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 523106be53bSOr Gerlitz hairpin_hlist, hash_key) { 524106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5255c65c564SOr Gerlitz return hpe; 5265c65c564SOr Gerlitz } 5275c65c564SOr Gerlitz 5285c65c564SOr Gerlitz return NULL; 5295c65c564SOr Gerlitz } 5305c65c564SOr Gerlitz 531106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 532106be53bSOr Gerlitz 533106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 534e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 535e98bedf5SEli Britstein struct netlink_ext_ack *extack) 536106be53bSOr Gerlitz { 537106be53bSOr Gerlitz void *headers_c, *headers_v; 538106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 539106be53bSOr Gerlitz bool vlan_present; 540106be53bSOr Gerlitz 541106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 542106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 543e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 544e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 545106be53bSOr Gerlitz return -EOPNOTSUPP; 546106be53bSOr Gerlitz } 547106be53bSOr Gerlitz #endif 548106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 549106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 550106be53bSOr Gerlitz 551106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 552106be53bSOr Gerlitz if (vlan_present) { 553106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 554106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 555106be53bSOr Gerlitz } 556106be53bSOr Gerlitz 557106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 558106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 559106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 560e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 561e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 562106be53bSOr Gerlitz return -EOPNOTSUPP; 563106be53bSOr Gerlitz } 564106be53bSOr Gerlitz 565106be53bSOr Gerlitz *match_prio = prio_val; 566106be53bSOr Gerlitz return 0; 567106be53bSOr Gerlitz } 568106be53bSOr Gerlitz 5695c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 5705c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 571e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 572e98bedf5SEli Britstein struct netlink_ext_ack *extack) 5735c65c564SOr Gerlitz { 5745c65c564SOr Gerlitz int peer_ifindex = parse_attr->mirred_ifindex; 5755c65c564SOr Gerlitz struct mlx5_hairpin_params params; 576d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 5775c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 5785c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 5793f6d08d1SOr Gerlitz u64 link_speed64; 5803f6d08d1SOr Gerlitz u32 link_speed; 581106be53bSOr Gerlitz u8 match_prio; 582d8822868SOr Gerlitz u16 peer_id; 5835c65c564SOr Gerlitz int err; 5845c65c564SOr Gerlitz 585d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 586d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 587e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 5885c65c564SOr Gerlitz return -EOPNOTSUPP; 5895c65c564SOr Gerlitz } 5905c65c564SOr Gerlitz 591d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 592e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 593e98bedf5SEli Britstein extack); 594106be53bSOr Gerlitz if (err) 595106be53bSOr Gerlitz return err; 596106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 5975c65c564SOr Gerlitz if (hpe) 5985c65c564SOr Gerlitz goto attach_flow; 5995c65c564SOr Gerlitz 6005c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6015c65c564SOr Gerlitz if (!hpe) 6025c65c564SOr Gerlitz return -ENOMEM; 6035c65c564SOr Gerlitz 6045c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 605d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 606106be53bSOr Gerlitz hpe->prio = match_prio; 6075c65c564SOr Gerlitz 6085c65c564SOr Gerlitz params.log_data_size = 15; 6095c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6105c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6115c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6125c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6135c65c564SOr Gerlitz 614eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 615eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 616eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 617eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 618eb9180f7SOr Gerlitz 619eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6203f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6212c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6223f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6233f6d08d1SOr Gerlitz link_speed64 = link_speed; 6243f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6253f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6263f6d08d1SOr Gerlitz 6275c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6285c65c564SOr Gerlitz if (IS_ERR(hp)) { 6295c65c564SOr Gerlitz err = PTR_ERR(hp); 6305c65c564SOr Gerlitz goto create_hairpin_err; 6315c65c564SOr Gerlitz } 6325c65c564SOr Gerlitz 633eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 634ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 635eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6365c65c564SOr Gerlitz 6375c65c564SOr Gerlitz hpe->hp = hp; 638106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 639106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6405c65c564SOr Gerlitz 6415c65c564SOr Gerlitz attach_flow: 6423f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6433f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6443f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6453f6d08d1SOr Gerlitz } else { 6465c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6473f6d08d1SOr Gerlitz } 6485c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6493f6d08d1SOr Gerlitz 6505c65c564SOr Gerlitz return 0; 6515c65c564SOr Gerlitz 6525c65c564SOr Gerlitz create_hairpin_err: 6535c65c564SOr Gerlitz kfree(hpe); 6545c65c564SOr Gerlitz return err; 6555c65c564SOr Gerlitz } 6565c65c564SOr Gerlitz 6575c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6585c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6595c65c564SOr Gerlitz { 6605c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6615c65c564SOr Gerlitz 6625c65c564SOr Gerlitz list_del(&flow->hairpin); 6635c65c564SOr Gerlitz 6645c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6655c65c564SOr Gerlitz if (list_empty(next)) { 6665c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6675c65c564SOr Gerlitz 6685c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 6695c65c564SOr Gerlitz 6705c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 6715c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 6725c65c564SOr Gerlitz 6735c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 6745c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 6755c65c564SOr Gerlitz kfree(hpe); 6765c65c564SOr Gerlitz } 6775c65c564SOr Gerlitz } 6785c65c564SOr Gerlitz 679c83954abSRabie Loulou static int 68074491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 68117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 682e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 683e98bedf5SEli Britstein struct netlink_ext_ack *extack) 684e8f887acSAmir Vadai { 685aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 686aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 6875c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 68866958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 6893bc4b7bfSOr Gerlitz .action = attr->action, 6903bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 69160786f09SMark Bloch .reformat_id = 0, 69242f7ad67SPaul Blakey .flags = FLOW_ACT_HAS_TAG | FLOW_ACT_NO_APPEND, 69366958ed9SHadar Hen Zion }; 694aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 695e8f887acSAmir Vadai bool table_created = false; 6965c65c564SOr Gerlitz int err, dest_ix = 0; 697e8f887acSAmir Vadai 6985c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 699e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7005c65c564SOr Gerlitz if (err) { 7015c65c564SOr Gerlitz goto err_add_hairpin_flow; 7025c65c564SOr Gerlitz } 7033f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7043f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7053f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7063f6d08d1SOr Gerlitz } else { 7075c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7085c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7093f6d08d1SOr Gerlitz } 7103f6d08d1SOr Gerlitz dest_ix++; 7113f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7125c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7135c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7145c65c564SOr Gerlitz dest_ix++; 7155c65c564SOr Gerlitz } 716aad7e08dSAmir Vadai 7175c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7185c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7195c65c564SOr Gerlitz if (IS_ERR(counter)) { 720c83954abSRabie Loulou err = PTR_ERR(counter); 7215c65c564SOr Gerlitz goto err_fc_create; 7225c65c564SOr Gerlitz } 7235c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 724171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 7255c65c564SOr Gerlitz dest_ix++; 726b8aee822SMark Bloch attr->counter = counter; 727aad7e08dSAmir Vadai } 728aad7e08dSAmir Vadai 7292f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7303099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 731d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7322f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 733c83954abSRabie Loulou if (err) 7342f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7352f4fe4caSOr Gerlitz } 7362f4fe4caSOr Gerlitz 737acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 73821b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 73921b9c144SOr Gerlitz u32 max_flow_counter; 74021b9c144SOr Gerlitz 74121b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 74221b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 74321b9c144SOr Gerlitz 74421b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 74521b9c144SOr Gerlitz 74621b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 74721b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 74821b9c144SOr Gerlitz 749acff797cSMaor Gottlieb priv->fs.tc.t = 750acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 751acff797cSMaor Gottlieb MLX5E_TC_PRIO, 75221b9c144SOr Gerlitz tc_tbl_size, 753acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7543f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 755acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 756e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 757e98bedf5SEli Britstein "Failed to create tc offload table\n"); 758e8f887acSAmir Vadai netdev_err(priv->netdev, 759e8f887acSAmir Vadai "Failed to create tc offload table\n"); 760c83954abSRabie Loulou err = PTR_ERR(priv->fs.tc.t); 761aad7e08dSAmir Vadai goto err_create_ft; 762e8f887acSAmir Vadai } 763e8f887acSAmir Vadai 764e8f887acSAmir Vadai table_created = true; 765e8f887acSAmir Vadai } 766e8f887acSAmir Vadai 76738aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 76817091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 76938aa51c1SOr Gerlitz 770c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 7715c65c564SOr Gerlitz &flow_act, dest, dest_ix); 772e8f887acSAmir Vadai 773c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 774c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 775aad7e08dSAmir Vadai goto err_add_rule; 776c83954abSRabie Loulou } 777aad7e08dSAmir Vadai 778c83954abSRabie Loulou return 0; 779aad7e08dSAmir Vadai 780aad7e08dSAmir Vadai err_add_rule: 781aad7e08dSAmir Vadai if (table_created) { 782acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 783acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 784e8f887acSAmir Vadai } 785aad7e08dSAmir Vadai err_create_ft: 7862f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 7873099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 7882f4fe4caSOr Gerlitz err_create_mod_hdr_id: 789aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 7905c65c564SOr Gerlitz err_fc_create: 7915c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 7925c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 7935c65c564SOr Gerlitz err_add_hairpin_flow: 794c83954abSRabie Loulou return err; 795e8f887acSAmir Vadai } 796e8f887acSAmir Vadai 797d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 798d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 799d85cdccbSOr Gerlitz { 800513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 801d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 802d85cdccbSOr Gerlitz 803b8aee822SMark Bloch counter = attr->counter; 804e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 805d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 806d85cdccbSOr Gerlitz 807b3a433deSOr Gerlitz if (!mlx5e_tc_num_filters(priv) && priv->fs.tc.t) { 808d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 809d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 810d85cdccbSOr Gerlitz } 8112f4fe4caSOr Gerlitz 812513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8133099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8145c65c564SOr Gerlitz 8155c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8165c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 817d85cdccbSOr Gerlitz } 818d85cdccbSOr Gerlitz 819aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 820aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow); 821aa0cbbaeSOr Gerlitz 8223c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 8233c37745eSOr Gerlitz struct ip_tunnel_info *tun_info, 8243c37745eSOr Gerlitz struct net_device *mirred_dev, 8253c37745eSOr Gerlitz struct net_device **encap_dev, 826e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 827e98bedf5SEli Britstein struct netlink_ext_ack *extack); 8283c37745eSOr Gerlitz 8296d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 8306d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 8316d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8326d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 8336d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8346d2a3ed0SOr Gerlitz { 8356d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 8366d2a3ed0SOr Gerlitz 8376d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 8386d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 8396d2a3ed0SOr Gerlitz return rule; 8406d2a3ed0SOr Gerlitz 841e85e02baSEli Britstein if (attr->split_count) { 8426d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 8436d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 8446d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 8456d2a3ed0SOr Gerlitz return flow->rule[1]; 8466d2a3ed0SOr Gerlitz } 8476d2a3ed0SOr Gerlitz } 8486d2a3ed0SOr Gerlitz 8496d2a3ed0SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 8506d2a3ed0SOr Gerlitz return rule; 8516d2a3ed0SOr Gerlitz } 8526d2a3ed0SOr Gerlitz 8536d2a3ed0SOr Gerlitz static void 8546d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 8556d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8566d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8576d2a3ed0SOr Gerlitz { 8586d2a3ed0SOr Gerlitz flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 8596d2a3ed0SOr Gerlitz 860e85e02baSEli Britstein if (attr->split_count) 8616d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 8626d2a3ed0SOr Gerlitz 8636d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 8646d2a3ed0SOr Gerlitz } 8656d2a3ed0SOr Gerlitz 8665dbe906fSPaul Blakey static struct mlx5_flow_handle * 8675dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 8685dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 8695dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 8705dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 8715dbe906fSPaul Blakey { 8725dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 8735dbe906fSPaul Blakey 8745dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 8755dbe906fSPaul Blakey slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST, 876e85e02baSEli Britstein slow_attr->split_count = 0, 8775dbe906fSPaul Blakey slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN, 8785dbe906fSPaul Blakey 8795dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 8805dbe906fSPaul Blakey if (!IS_ERR(rule)) 8815dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_SLOW; 8825dbe906fSPaul Blakey 8835dbe906fSPaul Blakey return rule; 8845dbe906fSPaul Blakey } 8855dbe906fSPaul Blakey 8865dbe906fSPaul Blakey static void 8875dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 8885dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 8895dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 8905dbe906fSPaul Blakey { 8915dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 8925dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 8935dbe906fSPaul Blakey flow->flags &= ~MLX5E_TC_FLOW_SLOW; 8945dbe906fSPaul Blakey } 8955dbe906fSPaul Blakey 896c83954abSRabie Loulou static int 89774491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 89817091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 899e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 900e98bedf5SEli Britstein struct netlink_ext_ack *extack) 901adb4c123SOr Gerlitz { 902adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 903bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 904aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 905bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 9063c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 907b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 9083c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 9093c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 910c83954abSRabie Loulou int err = 0, encap_err = 0; 9118b32580dSOr Gerlitz 912bf07aa73SPaul Blakey /* if prios are not supported, keep the old behaviour of using same prio 913bf07aa73SPaul Blakey * for all offloaded rules. 914bf07aa73SPaul Blakey */ 915bf07aa73SPaul Blakey if (!mlx5_eswitch_prios_supported(esw)) 916e52c2802SPaul Blakey attr->prio = 1; 917e52c2802SPaul Blakey 918bf07aa73SPaul Blakey if (attr->chain > max_chain) { 919bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 920bf07aa73SPaul Blakey err = -EOPNOTSUPP; 921bf07aa73SPaul Blakey goto err_max_prio_chain; 922bf07aa73SPaul Blakey } 923bf07aa73SPaul Blakey 924bf07aa73SPaul Blakey if (attr->prio > max_prio) { 925bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 926bf07aa73SPaul Blakey err = -EOPNOTSUPP; 927bf07aa73SPaul Blakey goto err_max_prio_chain; 928bf07aa73SPaul Blakey } 929bf07aa73SPaul Blakey 93060786f09SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) { 9313c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 9323c37745eSOr Gerlitz attr->parse_attr->mirred_ifindex); 933c83954abSRabie Loulou encap_err = mlx5e_attach_encap(priv, &parse_attr->tun_info, 934c83954abSRabie Loulou out_dev, &encap_dev, flow, 935c83954abSRabie Loulou extack); 936c83954abSRabie Loulou if (encap_err && encap_err != -EAGAIN) { 937c83954abSRabie Loulou err = encap_err; 9383c37745eSOr Gerlitz goto err_attach_encap; 9393c37745eSOr Gerlitz } 9403c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 9413c37745eSOr Gerlitz rpriv = out_priv->ppriv; 942df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 943df65a573SEli Britstein attr->dests[attr->out_count++].mdev = out_priv->mdev; 9443c37745eSOr Gerlitz } 9453c37745eSOr Gerlitz 9468b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 947c83954abSRabie Loulou if (err) 948aa0cbbaeSOr Gerlitz goto err_add_vlan; 949adb4c123SOr Gerlitz 950d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9511a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 952d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 953c83954abSRabie Loulou if (err) 954d7e75a32SOr Gerlitz goto err_mod_hdr; 955d7e75a32SOr Gerlitz } 956d7e75a32SOr Gerlitz 957b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 958b8aee822SMark Bloch counter = mlx5_fc_create(esw->dev, true); 959b8aee822SMark Bloch if (IS_ERR(counter)) { 960c83954abSRabie Loulou err = PTR_ERR(counter); 961b8aee822SMark Bloch goto err_create_counter; 962b8aee822SMark Bloch } 963b8aee822SMark Bloch 964b8aee822SMark Bloch attr->counter = counter; 965b8aee822SMark Bloch } 966b8aee822SMark Bloch 967c83954abSRabie Loulou /* we get here if (1) there's no error or when 9683c37745eSOr Gerlitz * (2) there's an encap action and we're on -EAGAIN (no valid neigh) 9693c37745eSOr Gerlitz */ 9705dbe906fSPaul Blakey if (encap_err == -EAGAIN) { 9715dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 9725dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 9735dbe906fSPaul Blakey 9745dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 9755dbe906fSPaul Blakey } else { 9766d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 9775dbe906fSPaul Blakey } 9785dbe906fSPaul Blakey 979c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 980c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 981aa0cbbaeSOr Gerlitz goto err_add_rule; 982c83954abSRabie Loulou } 983c83954abSRabie Loulou 9845dbe906fSPaul Blakey return 0; 985aa0cbbaeSOr Gerlitz 986aa0cbbaeSOr Gerlitz err_add_rule: 987b8aee822SMark Bloch mlx5_fc_destroy(esw->dev, counter); 988b8aee822SMark Bloch err_create_counter: 989513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9901a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 991d7e75a32SOr Gerlitz err_mod_hdr: 992aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 993aa0cbbaeSOr Gerlitz err_add_vlan: 99460786f09SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) 995aa0cbbaeSOr Gerlitz mlx5e_detach_encap(priv, flow); 9963c37745eSOr Gerlitz err_attach_encap: 997bf07aa73SPaul Blakey err_max_prio_chain: 998c83954abSRabie Loulou return err; 999aa0cbbaeSOr Gerlitz } 1000d85cdccbSOr Gerlitz 1001d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1002d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1003d85cdccbSOr Gerlitz { 1004d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1005d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10065dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1007d85cdccbSOr Gerlitz 10085dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 10095dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_SLOW) 10105dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10115dbe906fSPaul Blakey else 10125dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 10135dbe906fSPaul Blakey } 1014d85cdccbSOr Gerlitz 1015513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1016d85cdccbSOr Gerlitz 101760786f09SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) { 1018d85cdccbSOr Gerlitz mlx5e_detach_encap(priv, flow); 1019513f8f7fSOr Gerlitz kvfree(attr->parse_attr); 1020232c0013SHadar Hen Zion } 1021d7e75a32SOr Gerlitz 1022513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10231a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1024b8aee822SMark Bloch 1025b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1026b8aee822SMark Bloch mlx5_fc_destroy(esw->dev, attr->counter); 1027d85cdccbSOr Gerlitz } 1028d85cdccbSOr Gerlitz 1029232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1030232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1031232c0013SHadar Hen Zion { 10323c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 10335dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 10346d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10356d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1036232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1037232c0013SHadar Hen Zion int err; 1038232c0013SHadar Hen Zion 103954c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 104054c177caSOz Shlomo e->reformat_type, 1041232c0013SHadar Hen Zion e->encap_size, e->encap_header, 104231ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1043232c0013SHadar Hen Zion &e->encap_id); 1044232c0013SHadar Hen Zion if (err) { 1045232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1046232c0013SHadar Hen Zion err); 1047232c0013SHadar Hen Zion return; 1048232c0013SHadar Hen Zion } 1049232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1050f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1051232c0013SHadar Hen Zion 1052232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 10533c37745eSOr Gerlitz esw_attr = flow->esw_attr; 10543c37745eSOr Gerlitz esw_attr->encap_id = e->encap_id; 10556d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 10566d2a3ed0SOr Gerlitz 10575dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 10586d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 10596d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 10606d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1061232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1062232c0013SHadar Hen Zion err); 1063232c0013SHadar Hen Zion continue; 1064232c0013SHadar Hen Zion } 10655dbe906fSPaul Blakey 10665dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10675dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when slow path rule removed */ 10686d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1069232c0013SHadar Hen Zion } 1070232c0013SHadar Hen Zion } 1071232c0013SHadar Hen Zion 1072232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1073232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1074232c0013SHadar Hen Zion { 10753c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 10765dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 10775dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 10785dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1079232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 10805dbe906fSPaul Blakey int err; 1081232c0013SHadar Hen Zion 1082232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 10835dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 10845dbe906fSPaul Blakey 10855dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 10865dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 10875dbe906fSPaul Blakey 10885dbe906fSPaul Blakey if (IS_ERR(rule)) { 10895dbe906fSPaul Blakey err = PTR_ERR(rule); 10905dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 10915dbe906fSPaul Blakey err); 10925dbe906fSPaul Blakey continue; 10935dbe906fSPaul Blakey } 10945dbe906fSPaul Blakey 10956d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 10965dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when fast path rule removed */ 10975dbe906fSPaul Blakey flow->rule[0] = rule; 1098232c0013SHadar Hen Zion } 1099232c0013SHadar Hen Zion 1100232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 1101232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 110260786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1103232c0013SHadar Hen Zion } 1104232c0013SHadar Hen Zion } 1105232c0013SHadar Hen Zion 1106b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1107b8aee822SMark Bloch { 1108b8aee822SMark Bloch if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1109b8aee822SMark Bloch return flow->esw_attr->counter; 1110b8aee822SMark Bloch else 1111b8aee822SMark Bloch return flow->nic_attr->counter; 1112b8aee822SMark Bloch } 1113b8aee822SMark Bloch 1114f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1115f6dfb4c3SHadar Hen Zion { 1116f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1117f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1118f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1119f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1120f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1121f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1122f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1123f6dfb4c3SHadar Hen Zion struct neighbour *n; 1124f6dfb4c3SHadar Hen Zion 1125f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1126f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1127f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1128f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1129423c9db2SOr Gerlitz tbl = &nd_tbl; 1130f6dfb4c3SHadar Hen Zion #endif 1131f6dfb4c3SHadar Hen Zion else 1132f6dfb4c3SHadar Hen Zion return; 1133f6dfb4c3SHadar Hen Zion 1134f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 1135f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1136f6dfb4c3SHadar Hen Zion continue; 1137f6dfb4c3SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 1138f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 1139b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 1140f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1141f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1142f6dfb4c3SHadar Hen Zion neigh_used = true; 1143f6dfb4c3SHadar Hen Zion break; 1144f6dfb4c3SHadar Hen Zion } 1145f6dfb4c3SHadar Hen Zion } 1146f6dfb4c3SHadar Hen Zion } 1147e36d4810SRoi Dayan if (neigh_used) 1148e36d4810SRoi Dayan break; 1149f6dfb4c3SHadar Hen Zion } 1150f6dfb4c3SHadar Hen Zion 1151f6dfb4c3SHadar Hen Zion if (neigh_used) { 1152f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1153f6dfb4c3SHadar Hen Zion 1154f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1155f6dfb4c3SHadar Hen Zion * dst ip pair 1156f6dfb4c3SHadar Hen Zion */ 1157f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1158c7f7ba8dSRoi Dayan if (!n) 1159f6dfb4c3SHadar Hen Zion return; 1160f6dfb4c3SHadar Hen Zion 1161f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1162f6dfb4c3SHadar Hen Zion neigh_release(n); 1163f6dfb4c3SHadar Hen Zion } 1164f6dfb4c3SHadar Hen Zion } 1165f6dfb4c3SHadar Hen Zion 1166d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1167d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1168d85cdccbSOr Gerlitz { 11695067b602SRoi Dayan struct list_head *next = flow->encap.next; 11705067b602SRoi Dayan 11715067b602SRoi Dayan list_del(&flow->encap); 11725067b602SRoi Dayan if (list_empty(next)) { 1173c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 11745067b602SRoi Dayan 1175c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1176232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1177232c0013SHadar Hen Zion 1178232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 117960786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1180232c0013SHadar Hen Zion 1181cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1182232c0013SHadar Hen Zion kfree(e->encap_header); 11835067b602SRoi Dayan kfree(e); 11845067b602SRoi Dayan } 11855067b602SRoi Dayan } 11865067b602SRoi Dayan 1187e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1188961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1189e8f887acSAmir Vadai { 1190d85cdccbSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1191d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 1192d85cdccbSOr Gerlitz else 1193d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1194e8f887acSAmir Vadai } 1195e8f887acSAmir Vadai 1196bbd00f7eSHadar Hen Zion 1197bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1198bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 119954c177caSOz Shlomo struct tc_cls_flower_offload *f, 120054c177caSOz Shlomo struct net_device *filter_dev) 1201bbd00f7eSHadar Hen Zion { 1202e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1203bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1204bbd00f7eSHadar Hen Zion outer_headers); 1205bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1206bbd00f7eSHadar Hen Zion outer_headers); 1207bbd00f7eSHadar Hen Zion 12082e72eb43SOr Gerlitz struct flow_dissector_key_control *enc_control = 12092e72eb43SOr Gerlitz skb_flow_dissector_target(f->dissector, 12102e72eb43SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_CONTROL, 12112e72eb43SOr Gerlitz f->key); 12124d70564dSOz Shlomo int err = 0; 1213bbd00f7eSHadar Hen Zion 1214101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 12154d70564dSOz Shlomo headers_c, headers_v); 121654c177caSOz Shlomo if (err) { 121754c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 121854c177caSOz Shlomo "failed to parse tunnel attributes"); 1219101f4de9SOz Shlomo return err; 1220bbd00f7eSHadar Hen Zion } 1221bbd00f7eSHadar Hen Zion 12222e72eb43SOr Gerlitz if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1223bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *key = 1224bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1225bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1226bbd00f7eSHadar Hen Zion f->key); 1227bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *mask = 1228bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1229bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1230bbd00f7eSHadar Hen Zion f->mask); 1231bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1232bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1233bbd00f7eSHadar Hen Zion ntohl(mask->src)); 1234bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1235bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1236bbd00f7eSHadar Hen Zion ntohl(key->src)); 1237bbd00f7eSHadar Hen Zion 1238bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1239bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1240bbd00f7eSHadar Hen Zion ntohl(mask->dst)); 1241bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1242bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1243bbd00f7eSHadar Hen Zion ntohl(key->dst)); 1244bbd00f7eSHadar Hen Zion 1245bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1246bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 124719f44401SOr Gerlitz } else if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 124819f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *key = 124919f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 125019f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 125119f44401SOr Gerlitz f->key); 125219f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *mask = 125319f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 125419f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 125519f44401SOr Gerlitz f->mask); 125619f44401SOr Gerlitz 125719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 125819f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 125919f44401SOr Gerlitz &mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 126019f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 126119f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 126219f44401SOr Gerlitz &key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 126319f44401SOr Gerlitz 126419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 126519f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 126619f44401SOr Gerlitz &mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 126719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 126819f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 126919f44401SOr Gerlitz &key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 127019f44401SOr Gerlitz 127119f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 127219f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 12732e72eb43SOr Gerlitz } 1274bbd00f7eSHadar Hen Zion 1275bcef735cSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_IP)) { 1276bcef735cSOr Gerlitz struct flow_dissector_key_ip *key = 1277bcef735cSOr Gerlitz skb_flow_dissector_target(f->dissector, 1278bcef735cSOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IP, 1279bcef735cSOr Gerlitz f->key); 1280bcef735cSOr Gerlitz struct flow_dissector_key_ip *mask = 1281bcef735cSOr Gerlitz skb_flow_dissector_target(f->dissector, 1282bcef735cSOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IP, 1283bcef735cSOr Gerlitz f->mask); 1284bcef735cSOr Gerlitz 1285bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 1286bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 1287bcef735cSOr Gerlitz 1288bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 1289bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 1290bcef735cSOr Gerlitz 1291bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1292bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 1293e98bedf5SEli Britstein 1294e98bedf5SEli Britstein if (mask->ttl && 1295e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1296e98bedf5SEli Britstein (priv->mdev, 1297e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1298e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1299e98bedf5SEli Britstein "Matching on TTL is not supported"); 1300e98bedf5SEli Britstein return -EOPNOTSUPP; 1301e98bedf5SEli Britstein } 1302e98bedf5SEli Britstein 1303bcef735cSOr Gerlitz } 1304bcef735cSOr Gerlitz 1305bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1306bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1307bbd00f7eSHadar Hen Zion */ 1308bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1309bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1310bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1311bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1312bbd00f7eSHadar Hen Zion 1313bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1314bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1315bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1316bbd00f7eSHadar Hen Zion 1317bbd00f7eSHadar Hen Zion return 0; 1318bbd00f7eSHadar Hen Zion } 1319bbd00f7eSHadar Hen Zion 1320de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1321de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1322de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 132354c177caSOz Shlomo struct net_device *filter_dev, 1324d708f902SOr Gerlitz u8 *match_level) 1325e3a2b7edSAmir Vadai { 1326e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1327c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1328c5bb1730SMaor Gottlieb outer_headers); 1329c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1330c5bb1730SMaor Gottlieb outer_headers); 1331699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1332699e96ddSJianbo Liu misc_parameters); 1333699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1334699e96ddSJianbo Liu misc_parameters); 1335e3a2b7edSAmir Vadai u16 addr_type = 0; 1336e3a2b7edSAmir Vadai u8 ip_proto = 0; 1337e3a2b7edSAmir Vadai 1338d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1339de0af0bfSRoi Dayan 1340e3a2b7edSAmir Vadai if (f->dissector->used_keys & 1341e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1342e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1343e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1344095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1345699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1346e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1347e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1348bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1349bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1350bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1351bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1352bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1353e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1354fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1355bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 1356bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { 1357e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1358e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 1359e3a2b7edSAmir Vadai f->dissector->used_keys); 1360e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1361e3a2b7edSAmir Vadai } 1362e3a2b7edSAmir Vadai 1363bbd00f7eSHadar Hen Zion if ((dissector_uses_key(f->dissector, 1364bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 1365bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID) || 1366bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 1367bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 1368bbd00f7eSHadar Hen Zion struct flow_dissector_key_control *key = 1369bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1370bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_CONTROL, 1371bbd00f7eSHadar Hen Zion f->key); 1372bbd00f7eSHadar Hen Zion switch (key->addr_type) { 1373bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 137419f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 137554c177caSOz Shlomo if (parse_tunnel_attr(priv, spec, f, filter_dev)) 1376bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1377bbd00f7eSHadar Hen Zion break; 1378bbd00f7eSHadar Hen Zion default: 1379bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1380bbd00f7eSHadar Hen Zion } 1381bbd00f7eSHadar Hen Zion 1382bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1383bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1384bbd00f7eSHadar Hen Zion */ 1385bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1386bbd00f7eSHadar Hen Zion inner_headers); 1387bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1388bbd00f7eSHadar Hen Zion inner_headers); 1389bbd00f7eSHadar Hen Zion } 1390bbd00f7eSHadar Hen Zion 1391d3a80bb5SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 1392d3a80bb5SOr Gerlitz struct flow_dissector_key_basic *key = 1393e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1394d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 1395e3a2b7edSAmir Vadai f->key); 1396d3a80bb5SOr Gerlitz struct flow_dissector_key_basic *mask = 1397e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1398d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 1399e3a2b7edSAmir Vadai f->mask); 1400d3a80bb5SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 1401d3a80bb5SOr Gerlitz ntohs(mask->n_proto)); 1402d3a80bb5SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 1403d3a80bb5SOr Gerlitz ntohs(key->n_proto)); 1404e3a2b7edSAmir Vadai 1405d3a80bb5SOr Gerlitz if (mask->n_proto) 1406d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1407e3a2b7edSAmir Vadai } 1408e3a2b7edSAmir Vadai 1409095b6cfdSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) { 1410095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *key = 1411095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1412095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1413095b6cfdSOr Gerlitz f->key); 1414095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *mask = 1415095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1416095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1417095b6cfdSOr Gerlitz f->mask); 1418699e96ddSJianbo Liu if (mask->vlan_id || mask->vlan_priority || mask->vlan_tpid) { 1419699e96ddSJianbo Liu if (key->vlan_tpid == htons(ETH_P_8021AD)) { 1420699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1421699e96ddSJianbo Liu svlan_tag, 1); 1422699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1423699e96ddSJianbo Liu svlan_tag, 1); 1424699e96ddSJianbo Liu } else { 1425699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1426699e96ddSJianbo Liu cvlan_tag, 1); 1427699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1428699e96ddSJianbo Liu cvlan_tag, 1); 1429699e96ddSJianbo Liu } 1430095b6cfdSOr Gerlitz 1431095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id); 1432095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id); 1433358d79a4SOr Gerlitz 1434358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority); 1435358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority); 143654782900SOr Gerlitz 1437d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1438095b6cfdSOr Gerlitz } 1439d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1440cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1441cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1442d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1443095b6cfdSOr Gerlitz } 1444095b6cfdSOr Gerlitz 1445699e96ddSJianbo Liu if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CVLAN)) { 1446699e96ddSJianbo Liu struct flow_dissector_key_vlan *key = 1447699e96ddSJianbo Liu skb_flow_dissector_target(f->dissector, 1448699e96ddSJianbo Liu FLOW_DISSECTOR_KEY_CVLAN, 1449699e96ddSJianbo Liu f->key); 1450699e96ddSJianbo Liu struct flow_dissector_key_vlan *mask = 1451699e96ddSJianbo Liu skb_flow_dissector_target(f->dissector, 1452699e96ddSJianbo Liu FLOW_DISSECTOR_KEY_CVLAN, 1453699e96ddSJianbo Liu f->mask); 1454699e96ddSJianbo Liu if (mask->vlan_id || mask->vlan_priority || mask->vlan_tpid) { 1455699e96ddSJianbo Liu if (key->vlan_tpid == htons(ETH_P_8021AD)) { 1456699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1457699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1458699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1459699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1460699e96ddSJianbo Liu } else { 1461699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1462699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1463699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1464699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1465699e96ddSJianbo Liu } 1466699e96ddSJianbo Liu 1467699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 1468699e96ddSJianbo Liu mask->vlan_id); 1469699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 1470699e96ddSJianbo Liu key->vlan_id); 1471699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 1472699e96ddSJianbo Liu mask->vlan_priority); 1473699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 1474699e96ddSJianbo Liu key->vlan_priority); 1475699e96ddSJianbo Liu 1476699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1477699e96ddSJianbo Liu } 1478699e96ddSJianbo Liu } 1479699e96ddSJianbo Liu 1480d3a80bb5SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 1481d3a80bb5SOr Gerlitz struct flow_dissector_key_eth_addrs *key = 148254782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 1483d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_ETH_ADDRS, 148454782900SOr Gerlitz f->key); 1485d3a80bb5SOr Gerlitz struct flow_dissector_key_eth_addrs *mask = 148654782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 1487d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_ETH_ADDRS, 148854782900SOr Gerlitz f->mask); 148954782900SOr Gerlitz 1490d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1491d3a80bb5SOr Gerlitz dmac_47_16), 1492d3a80bb5SOr Gerlitz mask->dst); 1493d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1494d3a80bb5SOr Gerlitz dmac_47_16), 1495d3a80bb5SOr Gerlitz key->dst); 1496d3a80bb5SOr Gerlitz 1497d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1498d3a80bb5SOr Gerlitz smac_47_16), 1499d3a80bb5SOr Gerlitz mask->src); 1500d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1501d3a80bb5SOr Gerlitz smac_47_16), 1502d3a80bb5SOr Gerlitz key->src); 1503d3a80bb5SOr Gerlitz 1504d3a80bb5SOr Gerlitz if (!is_zero_ether_addr(mask->src) || !is_zero_ether_addr(mask->dst)) 1505d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 150654782900SOr Gerlitz } 150754782900SOr Gerlitz 150854782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) { 150954782900SOr Gerlitz struct flow_dissector_key_control *key = 151054782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 151154782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 151254782900SOr Gerlitz f->key); 151354782900SOr Gerlitz 151454782900SOr Gerlitz struct flow_dissector_key_control *mask = 151554782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 151654782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 151754782900SOr Gerlitz f->mask); 151854782900SOr Gerlitz addr_type = key->addr_type; 151954782900SOr Gerlitz 152054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 152154782900SOr Gerlitz if (mask->flags & FLOW_DIS_FIRST_FRAG) 152254782900SOr Gerlitz return -EOPNOTSUPP; 152354782900SOr Gerlitz 152454782900SOr Gerlitz if (mask->flags & FLOW_DIS_IS_FRAGMENT) { 152554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 152654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 152754782900SOr Gerlitz key->flags & FLOW_DIS_IS_FRAGMENT); 152854782900SOr Gerlitz 152954782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 153054782900SOr Gerlitz if (!(key->flags & FLOW_DIS_IS_FRAGMENT)) 153183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 153254782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 153354782900SOr Gerlitz else 153483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 153554782900SOr Gerlitz } 153654782900SOr Gerlitz } 153754782900SOr Gerlitz 153854782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 153954782900SOr Gerlitz struct flow_dissector_key_basic *key = 154054782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 154154782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 154254782900SOr Gerlitz f->key); 154354782900SOr Gerlitz struct flow_dissector_key_basic *mask = 154454782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 154554782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 154654782900SOr Gerlitz f->mask); 154754782900SOr Gerlitz ip_proto = key->ip_proto; 154854782900SOr Gerlitz 154954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 155054782900SOr Gerlitz mask->ip_proto); 155154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 155254782900SOr Gerlitz key->ip_proto); 155354782900SOr Gerlitz 155454782900SOr Gerlitz if (mask->ip_proto) 1555d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 155654782900SOr Gerlitz } 155754782900SOr Gerlitz 1558e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1559e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *key = 1560e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1561e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1562e3a2b7edSAmir Vadai f->key); 1563e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *mask = 1564e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1565e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1566e3a2b7edSAmir Vadai f->mask); 1567e3a2b7edSAmir Vadai 1568e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1569e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1570e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1571e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1572e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1573e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1574e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1575e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1576e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1577e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1578e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1579e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1580de0af0bfSRoi Dayan 1581de0af0bfSRoi Dayan if (mask->src || mask->dst) 1582d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1583e3a2b7edSAmir Vadai } 1584e3a2b7edSAmir Vadai 1585e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 1586e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *key = 1587e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1588e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1589e3a2b7edSAmir Vadai f->key); 1590e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *mask = 1591e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1592e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1593e3a2b7edSAmir Vadai f->mask); 1594e3a2b7edSAmir Vadai 1595e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1596e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1597e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1598e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1599e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1600e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1601e3a2b7edSAmir Vadai 1602e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1603e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1604e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1605e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1606e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1607e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1608de0af0bfSRoi Dayan 1609de0af0bfSRoi Dayan if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY || 1610de0af0bfSRoi Dayan ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY) 1611d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1612e3a2b7edSAmir Vadai } 1613e3a2b7edSAmir Vadai 16141f97a526SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_IP)) { 16151f97a526SOr Gerlitz struct flow_dissector_key_ip *key = 16161f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 16171f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 16181f97a526SOr Gerlitz f->key); 16191f97a526SOr Gerlitz struct flow_dissector_key_ip *mask = 16201f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 16211f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 16221f97a526SOr Gerlitz f->mask); 16231f97a526SOr Gerlitz 16241f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 16251f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 16261f97a526SOr Gerlitz 16271f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 16281f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 16291f97a526SOr Gerlitz 1630a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1631a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 16321f97a526SOr Gerlitz 1633a8ade55fSOr Gerlitz if (mask->ttl && 1634a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1635e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1636e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1637e98bedf5SEli Britstein "Matching on TTL is not supported"); 16381f97a526SOr Gerlitz return -EOPNOTSUPP; 1639e98bedf5SEli Britstein } 1640a8ade55fSOr Gerlitz 1641a8ade55fSOr Gerlitz if (mask->tos || mask->ttl) 1642d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 16431f97a526SOr Gerlitz } 16441f97a526SOr Gerlitz 164554782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 164654782900SOr Gerlitz 1647e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) { 1648e3a2b7edSAmir Vadai struct flow_dissector_key_ports *key = 1649e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1650e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1651e3a2b7edSAmir Vadai f->key); 1652e3a2b7edSAmir Vadai struct flow_dissector_key_ports *mask = 1653e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1654e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1655e3a2b7edSAmir Vadai f->mask); 1656e3a2b7edSAmir Vadai switch (ip_proto) { 1657e3a2b7edSAmir Vadai case IPPROTO_TCP: 1658e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1659e3a2b7edSAmir Vadai tcp_sport, ntohs(mask->src)); 1660e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1661e3a2b7edSAmir Vadai tcp_sport, ntohs(key->src)); 1662e3a2b7edSAmir Vadai 1663e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1664e3a2b7edSAmir Vadai tcp_dport, ntohs(mask->dst)); 1665e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1666e3a2b7edSAmir Vadai tcp_dport, ntohs(key->dst)); 1667e3a2b7edSAmir Vadai break; 1668e3a2b7edSAmir Vadai 1669e3a2b7edSAmir Vadai case IPPROTO_UDP: 1670e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1671e3a2b7edSAmir Vadai udp_sport, ntohs(mask->src)); 1672e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1673e3a2b7edSAmir Vadai udp_sport, ntohs(key->src)); 1674e3a2b7edSAmir Vadai 1675e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1676e3a2b7edSAmir Vadai udp_dport, ntohs(mask->dst)); 1677e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1678e3a2b7edSAmir Vadai udp_dport, ntohs(key->dst)); 1679e3a2b7edSAmir Vadai break; 1680e3a2b7edSAmir Vadai default: 1681e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1682e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1683e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1684e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1685e3a2b7edSAmir Vadai return -EINVAL; 1686e3a2b7edSAmir Vadai } 1687de0af0bfSRoi Dayan 1688de0af0bfSRoi Dayan if (mask->src || mask->dst) 1689d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1690e3a2b7edSAmir Vadai } 1691e3a2b7edSAmir Vadai 1692e77834ecSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) { 1693e77834ecSOr Gerlitz struct flow_dissector_key_tcp *key = 1694e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1695e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1696e77834ecSOr Gerlitz f->key); 1697e77834ecSOr Gerlitz struct flow_dissector_key_tcp *mask = 1698e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1699e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1700e77834ecSOr Gerlitz f->mask); 1701e77834ecSOr Gerlitz 1702e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 1703e77834ecSOr Gerlitz ntohs(mask->flags)); 1704e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 1705e77834ecSOr Gerlitz ntohs(key->flags)); 1706e77834ecSOr Gerlitz 1707e77834ecSOr Gerlitz if (mask->flags) 1708d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1709e77834ecSOr Gerlitz } 1710e77834ecSOr Gerlitz 1711e3a2b7edSAmir Vadai return 0; 1712e3a2b7edSAmir Vadai } 1713e3a2b7edSAmir Vadai 1714de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 171565ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1716de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 171754c177caSOz Shlomo struct tc_cls_flower_offload *f, 171854c177caSOz Shlomo struct net_device *filter_dev) 1719de0af0bfSRoi Dayan { 1720e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1721de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1722de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 17231d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 17241d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1725d708f902SOr Gerlitz u8 match_level; 1726de0af0bfSRoi Dayan int err; 1727de0af0bfSRoi Dayan 172854c177caSOz Shlomo err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level); 1729de0af0bfSRoi Dayan 17301d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 17311d447a39SSaeed Mahameed rep = rpriv->rep; 17321d447a39SSaeed Mahameed if (rep->vport != FDB_UPLINK_VPORT && 17331d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1734d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1735e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1736e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1737de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1738de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1739d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1740de0af0bfSRoi Dayan return -EOPNOTSUPP; 1741de0af0bfSRoi Dayan } 1742de0af0bfSRoi Dayan } 1743de0af0bfSRoi Dayan 174438aa51c1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 174538aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 174638aa51c1SOr Gerlitz else 174738aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 174838aa51c1SOr Gerlitz 1749de0af0bfSRoi Dayan return err; 1750de0af0bfSRoi Dayan } 1751de0af0bfSRoi Dayan 1752d79b6df6SOr Gerlitz struct pedit_headers { 1753d79b6df6SOr Gerlitz struct ethhdr eth; 1754d79b6df6SOr Gerlitz struct iphdr ip4; 1755d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1756d79b6df6SOr Gerlitz struct tcphdr tcp; 1757d79b6df6SOr Gerlitz struct udphdr udp; 1758d79b6df6SOr Gerlitz }; 1759d79b6df6SOr Gerlitz 1760d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 1761d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 1762d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 1763d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 1764d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 1765d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1766d79b6df6SOr Gerlitz }; 1767d79b6df6SOr Gerlitz 1768d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1769d79b6df6SOr Gerlitz 1770d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1771d79b6df6SOr Gerlitz struct pedit_headers *masks, 1772d79b6df6SOr Gerlitz struct pedit_headers *vals) 1773d79b6df6SOr Gerlitz { 1774d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1775d79b6df6SOr Gerlitz 1776d79b6df6SOr Gerlitz if (hdr_type >= __PEDIT_HDR_TYPE_MAX) 1777d79b6df6SOr Gerlitz goto out_err; 1778d79b6df6SOr Gerlitz 1779d79b6df6SOr Gerlitz curr_pmask = (u32 *)(pedit_header(masks, hdr_type) + offset); 1780d79b6df6SOr Gerlitz curr_pval = (u32 *)(pedit_header(vals, hdr_type) + offset); 1781d79b6df6SOr Gerlitz 1782d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1783d79b6df6SOr Gerlitz goto out_err; 1784d79b6df6SOr Gerlitz 1785d79b6df6SOr Gerlitz *curr_pmask |= mask; 1786d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1787d79b6df6SOr Gerlitz 1788d79b6df6SOr Gerlitz return 0; 1789d79b6df6SOr Gerlitz 1790d79b6df6SOr Gerlitz out_err: 1791d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1792d79b6df6SOr Gerlitz } 1793d79b6df6SOr Gerlitz 1794d79b6df6SOr Gerlitz struct mlx5_fields { 1795d79b6df6SOr Gerlitz u8 field; 1796d79b6df6SOr Gerlitz u8 size; 1797d79b6df6SOr Gerlitz u32 offset; 1798d79b6df6SOr Gerlitz }; 1799d79b6df6SOr Gerlitz 1800a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1801a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1802a8e4f0c4SOr Gerlitz 1803d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1804a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1805a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1806a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1807a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1808a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 1809d79b6df6SOr Gerlitz 1810a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1811a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1812a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1813d79b6df6SOr Gerlitz 1814a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1815a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1816a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1817a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1818a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1819a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1820a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1821a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 18220c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1823d79b6df6SOr Gerlitz 1824a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1825a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1826a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1827d79b6df6SOr Gerlitz 1828a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1829a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1830d79b6df6SOr Gerlitz }; 1831d79b6df6SOr Gerlitz 1832d79b6df6SOr Gerlitz /* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at 1833d79b6df6SOr Gerlitz * max from the SW pedit action. On success, it says how many HW actions were 1834d79b6df6SOr Gerlitz * actually parsed. 1835d79b6df6SOr Gerlitz */ 1836d79b6df6SOr Gerlitz static int offload_pedit_fields(struct pedit_headers *masks, 1837d79b6df6SOr Gerlitz struct pedit_headers *vals, 1838e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1839e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1840d79b6df6SOr Gerlitz { 1841d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 18422b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1843d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1844d79b6df6SOr Gerlitz struct mlx5_fields *f; 1845d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1846e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1847d79b6df6SOr Gerlitz unsigned long mask; 18482b64bebaSOr Gerlitz __be32 mask_be32; 18492b64bebaSOr Gerlitz __be16 mask_be16; 1850d79b6df6SOr Gerlitz void *action; 1851d79b6df6SOr Gerlitz 1852d79b6df6SOr Gerlitz set_masks = &masks[TCA_PEDIT_KEY_EX_CMD_SET]; 1853d79b6df6SOr Gerlitz add_masks = &masks[TCA_PEDIT_KEY_EX_CMD_ADD]; 1854d79b6df6SOr Gerlitz set_vals = &vals[TCA_PEDIT_KEY_EX_CMD_SET]; 1855d79b6df6SOr Gerlitz add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD]; 1856d79b6df6SOr Gerlitz 1857d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1858d79b6df6SOr Gerlitz action = parse_attr->mod_hdr_actions; 1859d79b6df6SOr Gerlitz max_actions = parse_attr->num_mod_hdr_actions; 1860d79b6df6SOr Gerlitz nactions = 0; 1861d79b6df6SOr Gerlitz 1862d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1863d79b6df6SOr Gerlitz f = &fields[i]; 1864d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1865e3ca4e05SOr Gerlitz s_mask = 0; 1866e3ca4e05SOr Gerlitz a_mask = 0; 1867d79b6df6SOr Gerlitz 1868d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1869d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1870d79b6df6SOr Gerlitz 1871d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1872d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1873d79b6df6SOr Gerlitz 1874d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1875d79b6df6SOr Gerlitz continue; 1876d79b6df6SOr Gerlitz 1877d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1878e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1879e98bedf5SEli Britstein "can't set and add to the same HW field"); 1880d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1881d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1882d79b6df6SOr Gerlitz } 1883d79b6df6SOr Gerlitz 1884d79b6df6SOr Gerlitz if (nactions == max_actions) { 1885e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1886e98bedf5SEli Britstein "too many pedit actions, can't offload"); 1887d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1888d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1889d79b6df6SOr Gerlitz } 1890d79b6df6SOr Gerlitz 1891d79b6df6SOr Gerlitz if (s_mask) { 1892d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1893d79b6df6SOr Gerlitz mask = s_mask; 1894d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1895d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1896d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1897d79b6df6SOr Gerlitz } else { 1898d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1899d79b6df6SOr Gerlitz mask = a_mask; 1900d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1901d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1902d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1903d79b6df6SOr Gerlitz } 1904d79b6df6SOr Gerlitz 1905d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1906e3ca4e05SOr Gerlitz 19072b64bebaSOr Gerlitz if (field_bsize == 32) { 19082b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 19092b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 19102b64bebaSOr Gerlitz } else if (field_bsize == 16) { 19112b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 19122b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 19132b64bebaSOr Gerlitz } 19142b64bebaSOr Gerlitz 1915d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 19162b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1917d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 19182b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 1919e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1920e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 19212b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 1922d79b6df6SOr Gerlitz mask); 1923d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1924d79b6df6SOr Gerlitz } 1925d79b6df6SOr Gerlitz 1926d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 1927d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 1928d79b6df6SOr Gerlitz 1929d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 19302b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 1931d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 19322b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 1933d79b6df6SOr Gerlitz } 1934d79b6df6SOr Gerlitz 1935d79b6df6SOr Gerlitz if (field_bsize == 32) 19362b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 1937d79b6df6SOr Gerlitz else if (field_bsize == 16) 19382b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 1939d79b6df6SOr Gerlitz else if (field_bsize == 8) 19402b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 1941d79b6df6SOr Gerlitz 1942d79b6df6SOr Gerlitz action += action_size; 1943d79b6df6SOr Gerlitz nactions++; 1944d79b6df6SOr Gerlitz } 1945d79b6df6SOr Gerlitz 1946d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 1947d79b6df6SOr Gerlitz return 0; 1948d79b6df6SOr Gerlitz } 1949d79b6df6SOr Gerlitz 1950d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 1951d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1952d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1953d79b6df6SOr Gerlitz { 1954d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 1955d79b6df6SOr Gerlitz 1956d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1957d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1958d79b6df6SOr Gerlitz 1959d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 1960d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 1961d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 1962d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 1963d79b6df6SOr Gerlitz 1964d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 1965d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 1966d79b6df6SOr Gerlitz 1967d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 1968d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 1969d79b6df6SOr Gerlitz return -ENOMEM; 1970d79b6df6SOr Gerlitz 1971d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = max_actions; 1972d79b6df6SOr Gerlitz return 0; 1973d79b6df6SOr Gerlitz } 1974d79b6df6SOr Gerlitz 1975d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 1976d79b6df6SOr Gerlitz 1977d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 1978d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1979e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1980e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1981d79b6df6SOr Gerlitz { 1982d79b6df6SOr Gerlitz struct pedit_headers masks[__PEDIT_CMD_MAX], vals[__PEDIT_CMD_MAX], *cmd_masks; 1983d79b6df6SOr Gerlitz int nkeys, i, err = -EOPNOTSUPP; 1984d79b6df6SOr Gerlitz u32 mask, val, offset; 1985d79b6df6SOr Gerlitz u8 cmd, htype; 1986d79b6df6SOr Gerlitz 1987d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1988d79b6df6SOr Gerlitz 1989d79b6df6SOr Gerlitz memset(masks, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1990d79b6df6SOr Gerlitz memset(vals, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1991d79b6df6SOr Gerlitz 1992d79b6df6SOr Gerlitz for (i = 0; i < nkeys; i++) { 1993d79b6df6SOr Gerlitz htype = tcf_pedit_htype(a, i); 1994d79b6df6SOr Gerlitz cmd = tcf_pedit_cmd(a, i); 1995d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 1996d79b6df6SOr Gerlitz 1997d79b6df6SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK) { 1998e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1999e98bedf5SEli Britstein "legacy pedit isn't offloaded"); 2000d79b6df6SOr Gerlitz goto out_err; 2001d79b6df6SOr Gerlitz } 2002d79b6df6SOr Gerlitz 2003d79b6df6SOr Gerlitz if (cmd != TCA_PEDIT_KEY_EX_CMD_SET && cmd != TCA_PEDIT_KEY_EX_CMD_ADD) { 2004e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "pedit cmd isn't offloaded"); 2005d79b6df6SOr Gerlitz goto out_err; 2006d79b6df6SOr Gerlitz } 2007d79b6df6SOr Gerlitz 2008d79b6df6SOr Gerlitz mask = tcf_pedit_mask(a, i); 2009d79b6df6SOr Gerlitz val = tcf_pedit_val(a, i); 2010d79b6df6SOr Gerlitz offset = tcf_pedit_offset(a, i); 2011d79b6df6SOr Gerlitz 2012d79b6df6SOr Gerlitz err = set_pedit_val(htype, ~mask, val, offset, &masks[cmd], &vals[cmd]); 2013d79b6df6SOr Gerlitz if (err) 2014d79b6df6SOr Gerlitz goto out_err; 2015d79b6df6SOr Gerlitz } 2016d79b6df6SOr Gerlitz 2017d79b6df6SOr Gerlitz err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); 2018d79b6df6SOr Gerlitz if (err) 2019d79b6df6SOr Gerlitz goto out_err; 2020d79b6df6SOr Gerlitz 2021e98bedf5SEli Britstein err = offload_pedit_fields(masks, vals, parse_attr, extack); 2022d79b6df6SOr Gerlitz if (err < 0) 2023d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2024d79b6df6SOr Gerlitz 2025d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2026d79b6df6SOr Gerlitz cmd_masks = &masks[cmd]; 2027d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2028e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2029e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2030b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2031d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2032d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2033d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2034d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2035d79b6df6SOr Gerlitz } 2036d79b6df6SOr Gerlitz } 2037d79b6df6SOr Gerlitz 2038d79b6df6SOr Gerlitz return 0; 2039d79b6df6SOr Gerlitz 2040d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2041d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2042d79b6df6SOr Gerlitz out_err: 2043d79b6df6SOr Gerlitz return err; 2044d79b6df6SOr Gerlitz } 2045d79b6df6SOr Gerlitz 2046e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2047e98bedf5SEli Britstein u32 action, 2048e98bedf5SEli Britstein u32 update_flags, 2049e98bedf5SEli Britstein struct netlink_ext_ack *extack) 205026c02749SOr Gerlitz { 205126c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 205226c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 205326c02749SOr Gerlitz 205426c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 205526c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2056e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2057e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 205826c02749SOr Gerlitz netdev_warn(priv->netdev, 205926c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 206026c02749SOr Gerlitz return false; 206126c02749SOr Gerlitz } 206226c02749SOr Gerlitz 206326c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2064e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2065e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 206626c02749SOr Gerlitz netdev_warn(priv->netdev, 206726c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 206826c02749SOr Gerlitz update_flags); 206926c02749SOr Gerlitz return false; 207026c02749SOr Gerlitz } 207126c02749SOr Gerlitz 207226c02749SOr Gerlitz return true; 207326c02749SOr Gerlitz } 207426c02749SOr Gerlitz 2075bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 2076e98bedf5SEli Britstein struct tcf_exts *exts, 2077e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2078bdd66ac0SOr Gerlitz { 2079bdd66ac0SOr Gerlitz const struct tc_action *a; 2080bdd66ac0SOr Gerlitz bool modify_ip_header; 2081bdd66ac0SOr Gerlitz LIST_HEAD(actions); 2082bdd66ac0SOr Gerlitz u8 htype, ip_proto; 2083bdd66ac0SOr Gerlitz void *headers_v; 2084bdd66ac0SOr Gerlitz u16 ethertype; 2085bdd66ac0SOr Gerlitz int nkeys, i; 2086bdd66ac0SOr Gerlitz 2087bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2088bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2089bdd66ac0SOr Gerlitz 2090bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2091bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2092bdd66ac0SOr Gerlitz goto out_ok; 2093bdd66ac0SOr Gerlitz 2094bdd66ac0SOr Gerlitz modify_ip_header = false; 2095244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 2096244cd96aSCong Wang int k; 2097244cd96aSCong Wang 2098bdd66ac0SOr Gerlitz if (!is_tcf_pedit(a)) 2099bdd66ac0SOr Gerlitz continue; 2100bdd66ac0SOr Gerlitz 2101bdd66ac0SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2102244cd96aSCong Wang for (k = 0; k < nkeys; k++) { 2103244cd96aSCong Wang htype = tcf_pedit_htype(a, k); 2104bdd66ac0SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP4 || 2105bdd66ac0SOr Gerlitz htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP6) { 2106bdd66ac0SOr Gerlitz modify_ip_header = true; 2107bdd66ac0SOr Gerlitz break; 2108bdd66ac0SOr Gerlitz } 2109bdd66ac0SOr Gerlitz } 2110bdd66ac0SOr Gerlitz } 2111bdd66ac0SOr Gerlitz 2112bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 21131ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 21141ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2115e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2116e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2117bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2118bdd66ac0SOr Gerlitz return false; 2119bdd66ac0SOr Gerlitz } 2120bdd66ac0SOr Gerlitz 2121bdd66ac0SOr Gerlitz out_ok: 2122bdd66ac0SOr Gerlitz return true; 2123bdd66ac0SOr Gerlitz } 2124bdd66ac0SOr Gerlitz 2125bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 2126bdd66ac0SOr Gerlitz struct tcf_exts *exts, 2127bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2128e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2129e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2130bdd66ac0SOr Gerlitz { 2131bdd66ac0SOr Gerlitz u32 actions; 2132bdd66ac0SOr Gerlitz 2133bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2134bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2135bdd66ac0SOr Gerlitz else 2136bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2137bdd66ac0SOr Gerlitz 21387e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 21397e29392eSRoi Dayan !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) 21407e29392eSRoi Dayan return false; 21417e29392eSRoi Dayan 2142bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 2143e98bedf5SEli Britstein return modify_header_match_supported(&parse_attr->spec, exts, 2144e98bedf5SEli Britstein extack); 2145bdd66ac0SOr Gerlitz 2146bdd66ac0SOr Gerlitz return true; 2147bdd66ac0SOr Gerlitz } 2148bdd66ac0SOr Gerlitz 21495c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 21505c65c564SOr Gerlitz { 21515c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2152816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 21535c65c564SOr Gerlitz 21545c65c564SOr Gerlitz fmdev = priv->mdev; 21555c65c564SOr Gerlitz pmdev = peer_priv->mdev; 21565c65c564SOr Gerlitz 215759c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 215859c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 21595c65c564SOr Gerlitz 2160816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 21615c65c564SOr Gerlitz } 21625c65c564SOr Gerlitz 21635c40348cSOr Gerlitz static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2164aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2165e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2166e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2167e3a2b7edSAmir Vadai { 2168aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 2169e3a2b7edSAmir Vadai const struct tc_action *a; 217022dc13c8SWANG Cong LIST_HEAD(actions); 21711cab1cd7SOr Gerlitz u32 action = 0; 2172244cd96aSCong Wang int err, i; 2173e3a2b7edSAmir Vadai 21743bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 2175e3a2b7edSAmir Vadai return -EINVAL; 2176e3a2b7edSAmir Vadai 21773bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2178e3a2b7edSAmir Vadai 2179244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 2180e3a2b7edSAmir Vadai if (is_tcf_gact_shot(a)) { 21811cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2182aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2183aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 21841cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2185e3a2b7edSAmir Vadai continue; 2186e3a2b7edSAmir Vadai } 2187e3a2b7edSAmir Vadai 21882f4fe4caSOr Gerlitz if (is_tcf_pedit(a)) { 21892f4fe4caSOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_KERNEL, 2190e98bedf5SEli Britstein parse_attr, extack); 21912f4fe4caSOr Gerlitz if (err) 21922f4fe4caSOr Gerlitz return err; 21932f4fe4caSOr Gerlitz 21941cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 21952f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 21962f4fe4caSOr Gerlitz continue; 21972f4fe4caSOr Gerlitz } 21982f4fe4caSOr Gerlitz 219926c02749SOr Gerlitz if (is_tcf_csum(a)) { 22001cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 2201e98bedf5SEli Britstein tcf_csum_update_flags(a), 2202e98bedf5SEli Britstein extack)) 220326c02749SOr Gerlitz continue; 220426c02749SOr Gerlitz 220526c02749SOr Gerlitz return -EOPNOTSUPP; 220626c02749SOr Gerlitz } 220726c02749SOr Gerlitz 22085c65c564SOr Gerlitz if (is_tcf_mirred_egress_redirect(a)) { 22095c65c564SOr Gerlitz struct net_device *peer_dev = tcf_mirred_dev(a); 22105c65c564SOr Gerlitz 22115c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 22125c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 22135c65c564SOr Gerlitz parse_attr->mirred_ifindex = peer_dev->ifindex; 22145c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 22151cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 22165c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 22175c65c564SOr Gerlitz } else { 2218e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2219e98bedf5SEli Britstein "device is not on same HW, can't offload"); 22205c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 22215c65c564SOr Gerlitz peer_dev->name); 22225c65c564SOr Gerlitz return -EINVAL; 22235c65c564SOr Gerlitz } 22245c65c564SOr Gerlitz continue; 22255c65c564SOr Gerlitz } 22265c65c564SOr Gerlitz 2227e3a2b7edSAmir Vadai if (is_tcf_skbedit_mark(a)) { 2228e3a2b7edSAmir Vadai u32 mark = tcf_skbedit_mark(a); 2229e3a2b7edSAmir Vadai 2230e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2231e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2232e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2233e3a2b7edSAmir Vadai return -EINVAL; 2234e3a2b7edSAmir Vadai } 2235e3a2b7edSAmir Vadai 22363bc4b7bfSOr Gerlitz attr->flow_tag = mark; 22371cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2238e3a2b7edSAmir Vadai continue; 2239e3a2b7edSAmir Vadai } 2240e3a2b7edSAmir Vadai 2241e3a2b7edSAmir Vadai return -EINVAL; 2242e3a2b7edSAmir Vadai } 2243e3a2b7edSAmir Vadai 22441cab1cd7SOr Gerlitz attr->action = action; 2245e98bedf5SEli Britstein if (!actions_match_supported(priv, exts, parse_attr, flow, extack)) 2246bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2247bdd66ac0SOr Gerlitz 2248e3a2b7edSAmir Vadai return 0; 2249e3a2b7edSAmir Vadai } 2250e3a2b7edSAmir Vadai 225176f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 225276f7444dSOr Gerlitz struct ip_tunnel_key *b) 2253a54e20b4SHadar Hen Zion { 2254a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2255a54e20b4SHadar Hen Zion } 2256a54e20b4SHadar Hen Zion 225776f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2258a54e20b4SHadar Hen Zion { 225976f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2260a54e20b4SHadar Hen Zion } 2261a54e20b4SHadar Hen Zion 2262a54e20b4SHadar Hen Zion 2263b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2264b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2265b1d90e6bSRabie Loulou { 2266b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2267b1d90e6bSRabie Loulou 2268b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2269b1d90e6bSRabie Loulou 2270b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 2271b1d90e6bSRabie Loulou (priv->netdev->netdev_ops == peer_netdev->netdev_ops) && 2272b1d90e6bSRabie Loulou same_hw_devs(priv, peer_priv) && 2273b1d90e6bSRabie Loulou MLX5_VPORT_MANAGER(peer_priv->mdev) && 2274b1d90e6bSRabie Loulou (peer_priv->mdev->priv.eswitch->mode == SRIOV_OFFLOADS)); 2275b1d90e6bSRabie Loulou } 2276b1d90e6bSRabie Loulou 2277ce99f6b9SOr Gerlitz 227854c177caSOz Shlomo 2279a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2280a54e20b4SHadar Hen Zion struct ip_tunnel_info *tun_info, 2281a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 228245247bf2SOr Gerlitz struct net_device **encap_dev, 2283e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2284e98bedf5SEli Britstein struct netlink_ext_ack *extack) 228503a9d11eSOr Gerlitz { 2286a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2287a54e20b4SHadar Hen Zion unsigned short family = ip_tunnel_info_af(tun_info); 228845247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2289a54e20b4SHadar Hen Zion struct ip_tunnel_key *key = &tun_info->key; 2290c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2291a54e20b4SHadar Hen Zion uintptr_t hash_key; 2292a54e20b4SHadar Hen Zion bool found = false; 229354c177caSOz Shlomo int err = 0; 2294a54e20b4SHadar Hen Zion 229576f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2296a54e20b4SHadar Hen Zion 2297a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2298a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 229976f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2300a54e20b4SHadar Hen Zion found = true; 2301a54e20b4SHadar Hen Zion break; 2302a54e20b4SHadar Hen Zion } 2303a54e20b4SHadar Hen Zion } 2304a54e20b4SHadar Hen Zion 2305b2812089SVlad Buslov /* must verify if encap is valid or not */ 230645247bf2SOr Gerlitz if (found) 230745247bf2SOr Gerlitz goto attach_flow; 2308a54e20b4SHadar Hen Zion 2309a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2310a54e20b4SHadar Hen Zion if (!e) 2311a54e20b4SHadar Hen Zion return -ENOMEM; 2312a54e20b4SHadar Hen Zion 231376f7444dSOr Gerlitz e->tun_info = *tun_info; 2314101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 231554c177caSOz Shlomo if (err) 231654c177caSOz Shlomo goto out_err; 231754c177caSOz Shlomo 2318a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2319a54e20b4SHadar Hen Zion 2320ce99f6b9SOr Gerlitz if (family == AF_INET) 2321101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2322ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2323101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2324ce99f6b9SOr Gerlitz 2325232c0013SHadar Hen Zion if (err && err != -EAGAIN) 2326a54e20b4SHadar Hen Zion goto out_err; 2327a54e20b4SHadar Hen Zion 2328a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2329a54e20b4SHadar Hen Zion 233045247bf2SOr Gerlitz attach_flow: 233145247bf2SOr Gerlitz list_add(&flow->encap, &e->flows); 233245247bf2SOr Gerlitz *encap_dev = e->out_dev; 2333232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 233445247bf2SOr Gerlitz attr->encap_id = e->encap_id; 2335b2812089SVlad Buslov else 2336b2812089SVlad Buslov err = -EAGAIN; 233745247bf2SOr Gerlitz 2338232c0013SHadar Hen Zion return err; 2339a54e20b4SHadar Hen Zion 2340a54e20b4SHadar Hen Zion out_err: 2341a54e20b4SHadar Hen Zion kfree(e); 2342a54e20b4SHadar Hen Zion return err; 2343a54e20b4SHadar Hen Zion } 2344a54e20b4SHadar Hen Zion 23451482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 23461482bd3dSJianbo Liu const struct tc_action *a, 23471482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 23481482bd3dSJianbo Liu u32 *action) 23491482bd3dSJianbo Liu { 2350cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2351cc495188SJianbo Liu 2352cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 23531482bd3dSJianbo Liu return -EOPNOTSUPP; 2354cc495188SJianbo Liu 2355cc495188SJianbo Liu if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { 2356cc495188SJianbo Liu if (vlan_idx) { 2357cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2358cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2359cc495188SJianbo Liu return -EOPNOTSUPP; 2360cc495188SJianbo Liu 2361cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2362cc495188SJianbo Liu } else { 2363cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2364cc495188SJianbo Liu } 2365cc495188SJianbo Liu } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { 2366cc495188SJianbo Liu attr->vlan_vid[vlan_idx] = tcf_vlan_push_vid(a); 2367cc495188SJianbo Liu attr->vlan_prio[vlan_idx] = tcf_vlan_push_prio(a); 2368cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = tcf_vlan_push_proto(a); 2369cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2370cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2371cc495188SJianbo Liu 2372cc495188SJianbo Liu if (vlan_idx) { 2373cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2374cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2375cc495188SJianbo Liu return -EOPNOTSUPP; 2376cc495188SJianbo Liu 2377cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2378cc495188SJianbo Liu } else { 2379cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 2380cc495188SJianbo Liu (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || 2381cc495188SJianbo Liu tcf_vlan_push_prio(a))) 2382cc495188SJianbo Liu return -EOPNOTSUPP; 2383cc495188SJianbo Liu 2384cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 23851482bd3dSJianbo Liu } 23861482bd3dSJianbo Liu } else { /* action is TCA_VLAN_ACT_MODIFY */ 23871482bd3dSJianbo Liu return -EOPNOTSUPP; 23881482bd3dSJianbo Liu } 23891482bd3dSJianbo Liu 2390cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2391cc495188SJianbo Liu 23921482bd3dSJianbo Liu return 0; 23931482bd3dSJianbo Liu } 23941482bd3dSJianbo Liu 2395a54e20b4SHadar Hen Zion static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2396d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2397e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2398e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2399a54e20b4SHadar Hen Zion { 2400bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2401ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 24021d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 2403a54e20b4SHadar Hen Zion struct ip_tunnel_info *info = NULL; 240403a9d11eSOr Gerlitz const struct tc_action *a; 240522dc13c8SWANG Cong LIST_HEAD(actions); 2406a54e20b4SHadar Hen Zion bool encap = false; 24071cab1cd7SOr Gerlitz u32 action = 0; 2408244cd96aSCong Wang int err, i; 240903a9d11eSOr Gerlitz 24103bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 241103a9d11eSOr Gerlitz return -EINVAL; 241203a9d11eSOr Gerlitz 24131d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 241410ff5359SShahar Klein attr->in_mdev = priv->mdev; 241503a9d11eSOr Gerlitz 2416244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 241703a9d11eSOr Gerlitz if (is_tcf_gact_shot(a)) { 24181cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 241903a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 242003a9d11eSOr Gerlitz continue; 242103a9d11eSOr Gerlitz } 242203a9d11eSOr Gerlitz 2423d7e75a32SOr Gerlitz if (is_tcf_pedit(a)) { 2424d7e75a32SOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_FDB, 2425e98bedf5SEli Britstein parse_attr, extack); 2426d7e75a32SOr Gerlitz if (err) 2427d7e75a32SOr Gerlitz return err; 2428d7e75a32SOr Gerlitz 24291cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2430e85e02baSEli Britstein attr->split_count = attr->out_count; 2431d7e75a32SOr Gerlitz continue; 2432d7e75a32SOr Gerlitz } 2433d7e75a32SOr Gerlitz 243426c02749SOr Gerlitz if (is_tcf_csum(a)) { 24351cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 2436e98bedf5SEli Britstein tcf_csum_update_flags(a), 2437e98bedf5SEli Britstein extack)) 243826c02749SOr Gerlitz continue; 243926c02749SOr Gerlitz 244026c02749SOr Gerlitz return -EOPNOTSUPP; 244126c02749SOr Gerlitz } 244226c02749SOr Gerlitz 2443592d3651SChris Mi if (is_tcf_mirred_egress_redirect(a) || is_tcf_mirred_egress_mirror(a)) { 244403a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2445592d3651SChris Mi struct net_device *out_dev; 244603a9d11eSOr Gerlitz 24479f8a739eSCong Wang out_dev = tcf_mirred_dev(a); 2448ef381359SOz Shlomo if (!out_dev) { 2449ef381359SOz Shlomo /* out_dev is NULL when filters with 2450ef381359SOz Shlomo * non-existing mirred device are replayed to 2451ef381359SOz Shlomo * the driver. 2452ef381359SOz Shlomo */ 2453ef381359SOz Shlomo return -EINVAL; 2454ef381359SOz Shlomo } 245503a9d11eSOr Gerlitz 2456592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2457e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2458e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2459592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2460592d3651SChris Mi attr->out_count); 2461592d3651SChris Mi return -EOPNOTSUPP; 2462592d3651SChris Mi } 2463592d3651SChris Mi 2464a54e20b4SHadar Hen Zion if (switchdev_port_same_parent_id(priv->netdev, 2465b1d90e6bSRabie Loulou out_dev) || 2466b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 24671cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2468e37a79e5SMark Bloch MLX5_FLOW_CONTEXT_ACTION_COUNT; 246903a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 24701d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2471df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 2472df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 2473df65a573SEli Britstein attr->out_count++; 2474a54e20b4SHadar Hen Zion } else if (encap) { 24759f8a739eSCong Wang parse_attr->mirred_ifindex = out_dev->ifindex; 24763c37745eSOr Gerlitz parse_attr->tun_info = *info; 24773c37745eSOr Gerlitz attr->parse_attr = parse_attr; 247860786f09SMark Bloch action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 2479a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2480a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_COUNT; 2481df65a573SEli Britstein /* attr->dests[].rep is resolved when we 2482df65a573SEli Britstein * handle encap 2483df65a573SEli Britstein */ 2484ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 2485ef381359SOz Shlomo /* All mlx5 devices are called to configure 2486ef381359SOz Shlomo * high level device filters. Therefore, the 2487ef381359SOz Shlomo * *attempt* to install a filter on invalid 2488ef381359SOz Shlomo * eswitch should not trigger an explicit error 2489ef381359SOz Shlomo */ 2490ef381359SOz Shlomo return -EINVAL; 2491a54e20b4SHadar Hen Zion } else { 2492e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2493e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2494a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2495a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2496a54e20b4SHadar Hen Zion return -EINVAL; 2497a54e20b4SHadar Hen Zion } 2498a54e20b4SHadar Hen Zion continue; 2499a54e20b4SHadar Hen Zion } 2500a54e20b4SHadar Hen Zion 2501a54e20b4SHadar Hen Zion if (is_tcf_tunnel_set(a)) { 2502a54e20b4SHadar Hen Zion info = tcf_tunnel_info(a); 2503a54e20b4SHadar Hen Zion if (info) 2504a54e20b4SHadar Hen Zion encap = true; 2505a54e20b4SHadar Hen Zion else 2506a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2507e85e02baSEli Britstein attr->split_count = attr->out_count; 250803a9d11eSOr Gerlitz continue; 250903a9d11eSOr Gerlitz } 251003a9d11eSOr Gerlitz 25118b32580dSOr Gerlitz if (is_tcf_vlan(a)) { 25121482bd3dSJianbo Liu err = parse_tc_vlan_action(priv, a, attr, &action); 25131482bd3dSJianbo Liu 25141482bd3dSJianbo Liu if (err) 25151482bd3dSJianbo Liu return err; 25161482bd3dSJianbo Liu 2517e85e02baSEli Britstein attr->split_count = attr->out_count; 25188b32580dSOr Gerlitz continue; 25198b32580dSOr Gerlitz } 25208b32580dSOr Gerlitz 2521bbd00f7eSHadar Hen Zion if (is_tcf_tunnel_release(a)) { 25221cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2523bbd00f7eSHadar Hen Zion continue; 2524bbd00f7eSHadar Hen Zion } 2525bbd00f7eSHadar Hen Zion 2526bf07aa73SPaul Blakey if (is_tcf_gact_goto_chain(a)) { 2527bf07aa73SPaul Blakey u32 dest_chain = tcf_gact_goto_chain_index(a); 2528bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2529bf07aa73SPaul Blakey 2530bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2531bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2532bf07aa73SPaul Blakey return -EOPNOTSUPP; 2533bf07aa73SPaul Blakey } 2534bf07aa73SPaul Blakey if (dest_chain > max_chain) { 2535bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 2536bf07aa73SPaul Blakey return -EOPNOTSUPP; 2537bf07aa73SPaul Blakey } 2538bf07aa73SPaul Blakey action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2539bf07aa73SPaul Blakey MLX5_FLOW_CONTEXT_ACTION_COUNT; 2540bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 2541bf07aa73SPaul Blakey 2542bf07aa73SPaul Blakey continue; 2543bf07aa73SPaul Blakey } 2544bf07aa73SPaul Blakey 254503a9d11eSOr Gerlitz return -EINVAL; 254603a9d11eSOr Gerlitz } 2547bdd66ac0SOr Gerlitz 25481cab1cd7SOr Gerlitz attr->action = action; 2549e98bedf5SEli Britstein if (!actions_match_supported(priv, exts, parse_attr, flow, extack)) 2550bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2551bdd66ac0SOr Gerlitz 2552e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 2553e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2554e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 2555592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 2556592d3651SChris Mi return -EOPNOTSUPP; 2557592d3651SChris Mi } 2558592d3651SChris Mi 255931c8eba5SOr Gerlitz return 0; 256003a9d11eSOr Gerlitz } 256103a9d11eSOr Gerlitz 25625dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 256360bd4af8SOr Gerlitz { 25645dbe906fSPaul Blakey u16 __flow_flags = 0; 256560bd4af8SOr Gerlitz 256660bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 256760bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 256860bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 256960bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 257060bd4af8SOr Gerlitz 257160bd4af8SOr Gerlitz *flow_flags = __flow_flags; 257260bd4af8SOr Gerlitz } 257360bd4af8SOr Gerlitz 257405866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 257505866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 257605866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 257705866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 257805866c82SOr Gerlitz .automatic_shrinking = true, 257905866c82SOr Gerlitz }; 258005866c82SOr Gerlitz 258105866c82SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv) 258205866c82SOr Gerlitz { 2583655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2584655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 2585655dc3d2SOr Gerlitz 2586655dc3d2SOr Gerlitz if (MLX5_VPORT_MANAGER(priv->mdev) && esw->mode == SRIOV_OFFLOADS) { 2587655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2588ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 2589655dc3d2SOr Gerlitz } else 259005866c82SOr Gerlitz return &priv->fs.tc.ht; 259105866c82SOr Gerlitz } 259205866c82SOr Gerlitz 2593a88780a9SRoi Dayan static int 2594a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 25955dbe906fSPaul Blakey struct tc_cls_flower_offload *f, u16 flow_flags, 2596a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 2597a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2598e3a2b7edSAmir Vadai { 259917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 26003bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 2601a88780a9SRoi Dayan int err; 2602776b12b6SOr Gerlitz 260365ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 26041b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 260517091853SOr Gerlitz if (!parse_attr || !flow) { 2606e3a2b7edSAmir Vadai err = -ENOMEM; 2607e3a2b7edSAmir Vadai goto err_free; 2608e3a2b7edSAmir Vadai } 2609e3a2b7edSAmir Vadai 2610e3a2b7edSAmir Vadai flow->cookie = f->cookie; 261165ba8fb7SOr Gerlitz flow->flags = flow_flags; 2612655dc3d2SOr Gerlitz flow->priv = priv; 2613e3a2b7edSAmir Vadai 2614a88780a9SRoi Dayan *__flow = flow; 2615a88780a9SRoi Dayan *__parse_attr = parse_attr; 2616a88780a9SRoi Dayan 2617a88780a9SRoi Dayan return 0; 2618a88780a9SRoi Dayan 2619a88780a9SRoi Dayan err_free: 2620a88780a9SRoi Dayan kfree(flow); 2621a88780a9SRoi Dayan kvfree(parse_attr); 2622a88780a9SRoi Dayan return err; 2623adb4c123SOr Gerlitz } 2624adb4c123SOr Gerlitz 2625a88780a9SRoi Dayan static int 2626a88780a9SRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 2627a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 26285dbe906fSPaul Blakey u16 flow_flags, 2629d11afc26SOz Shlomo struct net_device *filter_dev, 2630a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2631a88780a9SRoi Dayan { 2632a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2633a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2634a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2635a88780a9SRoi Dayan int attr_size, err; 2636a88780a9SRoi Dayan 2637a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2638a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 2639a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2640a88780a9SRoi Dayan &parse_attr, &flow); 2641a88780a9SRoi Dayan if (err) 2642a88780a9SRoi Dayan goto out; 2643d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 2644d11afc26SOz Shlomo flow->esw_attr->parse_attr = parse_attr; 264554c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 264654c177caSOz Shlomo f, filter_dev); 2647d11afc26SOz Shlomo if (err) 2648d11afc26SOz Shlomo goto err_free; 2649a88780a9SRoi Dayan 2650bf07aa73SPaul Blakey flow->esw_attr->chain = f->common.chain_index; 2651bf07aa73SPaul Blakey flow->esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 2652a88780a9SRoi Dayan err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow, extack); 2653a88780a9SRoi Dayan if (err) 2654a88780a9SRoi Dayan goto err_free; 2655a88780a9SRoi Dayan 2656a88780a9SRoi Dayan err = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow, extack); 26575dbe906fSPaul Blakey if (err) 2658aa0cbbaeSOr Gerlitz goto err_free; 26595c40348cSOr Gerlitz 2660a88780a9SRoi Dayan if (!(flow->esw_attr->action & 266160786f09SMark Bloch MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT)) 2662232c0013SHadar Hen Zion kvfree(parse_attr); 2663e3a2b7edSAmir Vadai 2664a88780a9SRoi Dayan *__flow = flow; 2665af1607c3SJianbo Liu 2666a88780a9SRoi Dayan return 0; 2667e3a2b7edSAmir Vadai 2668e3a2b7edSAmir Vadai err_free: 2669232c0013SHadar Hen Zion kfree(flow); 2670a88780a9SRoi Dayan kvfree(parse_attr); 2671a88780a9SRoi Dayan out: 2672a88780a9SRoi Dayan return err; 2673a88780a9SRoi Dayan } 2674a88780a9SRoi Dayan 2675a88780a9SRoi Dayan static int 2676a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 2677a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 26785dbe906fSPaul Blakey u16 flow_flags, 2679d11afc26SOz Shlomo struct net_device *filter_dev, 2680a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2681a88780a9SRoi Dayan { 2682a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2683a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2684a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2685a88780a9SRoi Dayan int attr_size, err; 2686a88780a9SRoi Dayan 2687bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 2688bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 2689bf07aa73SPaul Blakey return -EOPNOTSUPP; 2690bf07aa73SPaul Blakey 2691a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 2692a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 2693a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2694a88780a9SRoi Dayan &parse_attr, &flow); 2695a88780a9SRoi Dayan if (err) 2696a88780a9SRoi Dayan goto out; 2697a88780a9SRoi Dayan 2698d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 269954c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 270054c177caSOz Shlomo f, filter_dev); 2701d11afc26SOz Shlomo if (err) 2702d11afc26SOz Shlomo goto err_free; 2703d11afc26SOz Shlomo 2704a88780a9SRoi Dayan err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow, extack); 2705a88780a9SRoi Dayan if (err) 2706a88780a9SRoi Dayan goto err_free; 2707a88780a9SRoi Dayan 2708a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 2709a88780a9SRoi Dayan if (err) 2710a88780a9SRoi Dayan goto err_free; 2711a88780a9SRoi Dayan 2712a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 2713a88780a9SRoi Dayan kvfree(parse_attr); 2714a88780a9SRoi Dayan *__flow = flow; 2715a88780a9SRoi Dayan 2716a88780a9SRoi Dayan return 0; 2717a88780a9SRoi Dayan 2718a88780a9SRoi Dayan err_free: 2719a88780a9SRoi Dayan kfree(flow); 2720a88780a9SRoi Dayan kvfree(parse_attr); 2721a88780a9SRoi Dayan out: 2722a88780a9SRoi Dayan return err; 2723a88780a9SRoi Dayan } 2724a88780a9SRoi Dayan 2725a88780a9SRoi Dayan static int 2726a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 2727a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 2728a88780a9SRoi Dayan int flags, 2729d11afc26SOz Shlomo struct net_device *filter_dev, 2730a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 2731a88780a9SRoi Dayan { 2732a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 27335dbe906fSPaul Blakey u16 flow_flags; 2734a88780a9SRoi Dayan int err; 2735a88780a9SRoi Dayan 2736a88780a9SRoi Dayan get_flags(flags, &flow_flags); 2737a88780a9SRoi Dayan 2738bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 2739bf07aa73SPaul Blakey return -EOPNOTSUPP; 2740bf07aa73SPaul Blakey 2741a88780a9SRoi Dayan if (esw && esw->mode == SRIOV_OFFLOADS) 2742d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 2743d11afc26SOz Shlomo filter_dev, flow); 2744a88780a9SRoi Dayan else 2745d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 2746d11afc26SOz Shlomo filter_dev, flow); 2747a88780a9SRoi Dayan 2748a88780a9SRoi Dayan return err; 2749a88780a9SRoi Dayan } 2750a88780a9SRoi Dayan 275171d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 2752a88780a9SRoi Dayan struct tc_cls_flower_offload *f, int flags) 2753a88780a9SRoi Dayan { 2754a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2755a88780a9SRoi Dayan struct rhashtable *tc_ht = get_tc_ht(priv); 2756a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2757a88780a9SRoi Dayan int err = 0; 2758a88780a9SRoi Dayan 2759a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 2760a88780a9SRoi Dayan if (flow) { 2761a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2762a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 2763a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 2764a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 2765a88780a9SRoi Dayan f->cookie); 2766a88780a9SRoi Dayan goto out; 2767a88780a9SRoi Dayan } 2768a88780a9SRoi Dayan 2769d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 2770a88780a9SRoi Dayan if (err) 2771a88780a9SRoi Dayan goto out; 2772a88780a9SRoi Dayan 2773a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 2774a88780a9SRoi Dayan if (err) 2775a88780a9SRoi Dayan goto err_free; 2776a88780a9SRoi Dayan 2777a88780a9SRoi Dayan return 0; 2778a88780a9SRoi Dayan 2779a88780a9SRoi Dayan err_free: 2780a88780a9SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2781a88780a9SRoi Dayan kfree(flow); 2782a88780a9SRoi Dayan out: 2783e3a2b7edSAmir Vadai return err; 2784e3a2b7edSAmir Vadai } 2785e3a2b7edSAmir Vadai 27868f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 27878f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 27888f8ae895SOr Gerlitz 27898f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 27908f8ae895SOr Gerlitz { 27918f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 27928f8ae895SOr Gerlitz return true; 27938f8ae895SOr Gerlitz 27948f8ae895SOr Gerlitz return false; 27958f8ae895SOr Gerlitz } 27968f8ae895SOr Gerlitz 279771d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 279860bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 2799e3a2b7edSAmir Vadai { 280005866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 2801e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 2802e3a2b7edSAmir Vadai 280305866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 28048f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 2805e3a2b7edSAmir Vadai return -EINVAL; 2806e3a2b7edSAmir Vadai 280705866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 2808e3a2b7edSAmir Vadai 2809961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2810e3a2b7edSAmir Vadai 2811e3a2b7edSAmir Vadai kfree(flow); 2812e3a2b7edSAmir Vadai 2813e3a2b7edSAmir Vadai return 0; 2814e3a2b7edSAmir Vadai } 2815e3a2b7edSAmir Vadai 281671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 281760bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 2818aad7e08dSAmir Vadai { 281905866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 2820aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 2821aad7e08dSAmir Vadai struct mlx5_fc *counter; 2822aad7e08dSAmir Vadai u64 bytes; 2823aad7e08dSAmir Vadai u64 packets; 2824aad7e08dSAmir Vadai u64 lastuse; 2825aad7e08dSAmir Vadai 282605866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 28278f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 2828aad7e08dSAmir Vadai return -EINVAL; 2829aad7e08dSAmir Vadai 28300b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 28310b67a38fSHadar Hen Zion return 0; 28320b67a38fSHadar Hen Zion 2833b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 2834aad7e08dSAmir Vadai if (!counter) 2835aad7e08dSAmir Vadai return 0; 2836aad7e08dSAmir Vadai 2837aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 2838aad7e08dSAmir Vadai 2839d897a638SJakub Kicinski tcf_exts_stats_update(f->exts, bytes, packets, lastuse); 2840fed06ee8SOr Gerlitz 2841aad7e08dSAmir Vadai return 0; 2842aad7e08dSAmir Vadai } 2843aad7e08dSAmir Vadai 28444d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 28454d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 28464d8fcf21SAlaa Hleihel { 28474d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 28484d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 28494d8fcf21SAlaa Hleihel u16 peer_vhca_id; 28504d8fcf21SAlaa Hleihel int bkt; 28514d8fcf21SAlaa Hleihel 28524d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 28534d8fcf21SAlaa Hleihel return; 28544d8fcf21SAlaa Hleihel 28554d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 28564d8fcf21SAlaa Hleihel 28574d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 28584d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 28594d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 28604d8fcf21SAlaa Hleihel } 28614d8fcf21SAlaa Hleihel } 28624d8fcf21SAlaa Hleihel 28634d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 28644d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 28654d8fcf21SAlaa Hleihel { 28664d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 28674d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 28684d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 28694d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 28704d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 28714d8fcf21SAlaa Hleihel 28724d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 28734d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 28744d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 28754d8fcf21SAlaa Hleihel return NOTIFY_DONE; 28764d8fcf21SAlaa Hleihel 28774d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 28784d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 28794d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 28804d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 28814d8fcf21SAlaa Hleihel if (priv == peer_priv || 28824d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 28834d8fcf21SAlaa Hleihel return NOTIFY_DONE; 28844d8fcf21SAlaa Hleihel 28854d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 28864d8fcf21SAlaa Hleihel 28874d8fcf21SAlaa Hleihel return NOTIFY_DONE; 28884d8fcf21SAlaa Hleihel } 28894d8fcf21SAlaa Hleihel 2890655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 2891e8f887acSAmir Vadai { 2892acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 28934d8fcf21SAlaa Hleihel int err; 2894e8f887acSAmir Vadai 289511c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 28965c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 289711c9c548SOr Gerlitz 28984d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 28994d8fcf21SAlaa Hleihel if (err) 29004d8fcf21SAlaa Hleihel return err; 29014d8fcf21SAlaa Hleihel 29024d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 29034d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 29044d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 29054d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 29064d8fcf21SAlaa Hleihel } 29074d8fcf21SAlaa Hleihel 29084d8fcf21SAlaa Hleihel return err; 2909e8f887acSAmir Vadai } 2910e8f887acSAmir Vadai 2911e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 2912e8f887acSAmir Vadai { 2913e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 2914655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 2915e8f887acSAmir Vadai 2916961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2917e8f887acSAmir Vadai kfree(flow); 2918e8f887acSAmir Vadai } 2919e8f887acSAmir Vadai 2920655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 2921e8f887acSAmir Vadai { 2922acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 2923e8f887acSAmir Vadai 29244d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 29254d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 29264d8fcf21SAlaa Hleihel 2927655dc3d2SOr Gerlitz rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 2928e8f887acSAmir Vadai 2929acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 2930acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 2931acff797cSMaor Gottlieb tc->t = NULL; 2932e8f887acSAmir Vadai } 2933e8f887acSAmir Vadai } 2934655dc3d2SOr Gerlitz 2935655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 2936655dc3d2SOr Gerlitz { 2937655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 2938655dc3d2SOr Gerlitz } 2939655dc3d2SOr Gerlitz 2940655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 2941655dc3d2SOr Gerlitz { 2942655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 2943655dc3d2SOr Gerlitz } 294401252a27SOr Gerlitz 294501252a27SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv) 294601252a27SOr Gerlitz { 294701252a27SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 294801252a27SOr Gerlitz 294901252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 295001252a27SOr Gerlitz } 2951