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> 47a54e20b4SHadar Hen Zion #include <net/vxlan.h> 48f6dfb4c3SHadar Hen Zion #include <net/arp.h> 49e8f887acSAmir Vadai #include "en.h" 501d447a39SSaeed Mahameed #include "en_rep.h" 51232c0013SHadar Hen Zion #include "en_tc.h" 5203a9d11eSOr Gerlitz #include "eswitch.h" 53358aa5ceSSaeed Mahameed #include "lib/vxlan.h" 543f6d08d1SOr Gerlitz #include "fs_core.h" 552c81bfd5SHuy Nguyen #include "en/port.h" 56e8f887acSAmir Vadai 573bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 583bc4b7bfSOr Gerlitz u32 action; 593bc4b7bfSOr Gerlitz u32 flow_tag; 602f4fe4caSOr Gerlitz u32 mod_hdr_id; 615c65c564SOr Gerlitz u32 hairpin_tirn; 6238aa51c1SOr Gerlitz u8 match_level; 633f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 64b8aee822SMark Bloch struct mlx5_fc *counter; 653bc4b7bfSOr Gerlitz }; 663bc4b7bfSOr Gerlitz 6760bd4af8SOr Gerlitz #define MLX5E_TC_FLOW_BASE (MLX5E_TC_LAST_EXPORTED_BIT + 1) 6860bd4af8SOr Gerlitz 6965ba8fb7SOr Gerlitz enum { 7060bd4af8SOr Gerlitz MLX5E_TC_FLOW_INGRESS = MLX5E_TC_INGRESS, 7160bd4af8SOr Gerlitz MLX5E_TC_FLOW_EGRESS = MLX5E_TC_EGRESS, 7260bd4af8SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = BIT(MLX5E_TC_FLOW_BASE), 7360bd4af8SOr Gerlitz MLX5E_TC_FLOW_NIC = BIT(MLX5E_TC_FLOW_BASE + 1), 7460bd4af8SOr Gerlitz MLX5E_TC_FLOW_OFFLOADED = BIT(MLX5E_TC_FLOW_BASE + 2), 7560bd4af8SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(MLX5E_TC_FLOW_BASE + 3), 7660bd4af8SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(MLX5E_TC_FLOW_BASE + 4), 775dbe906fSPaul Blakey MLX5E_TC_FLOW_SLOW = BIT(MLX5E_TC_FLOW_BASE + 5), 7865ba8fb7SOr Gerlitz }; 7965ba8fb7SOr Gerlitz 80e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 81e4ad91f2SChris Mi 82e8f887acSAmir Vadai struct mlx5e_tc_flow { 83e8f887acSAmir Vadai struct rhash_head node; 84655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 85e8f887acSAmir Vadai u64 cookie; 865dbe906fSPaul Blakey u16 flags; 87e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 8811c9c548SOr Gerlitz struct list_head encap; /* flows sharing the same encap ID */ 8911c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 905c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 913bc4b7bfSOr Gerlitz union { 92ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 933bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 943bc4b7bfSOr Gerlitz }; 95e8f887acSAmir Vadai }; 96e8f887acSAmir Vadai 9717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 983c37745eSOr Gerlitz struct ip_tunnel_info tun_info; 99d11afc26SOz Shlomo struct net_device *filter_dev; 10017091853SOr Gerlitz struct mlx5_flow_spec spec; 101d79b6df6SOr Gerlitz int num_mod_hdr_actions; 102d79b6df6SOr Gerlitz void *mod_hdr_actions; 1033c37745eSOr Gerlitz int mirred_ifindex; 10417091853SOr Gerlitz }; 10517091853SOr Gerlitz 106acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 107b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 108e8f887acSAmir Vadai 10977ab67b7SOr Gerlitz struct mlx5e_hairpin { 11077ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 11177ab67b7SOr Gerlitz 11277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1133f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 11477ab67b7SOr Gerlitz u32 tdn; 11577ab67b7SOr Gerlitz u32 tirn; 1163f6d08d1SOr Gerlitz 1173f6d08d1SOr Gerlitz int num_channels; 1183f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1193f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1203f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 12177ab67b7SOr Gerlitz }; 12277ab67b7SOr Gerlitz 1235c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1245c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1255c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1265c65c564SOr Gerlitz 1275c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1285c65c564SOr Gerlitz struct list_head flows; 1295c65c564SOr Gerlitz 130d8822868SOr Gerlitz u16 peer_vhca_id; 131106be53bSOr Gerlitz u8 prio; 1325c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1335c65c564SOr Gerlitz }; 1345c65c564SOr Gerlitz 13511c9c548SOr Gerlitz struct mod_hdr_key { 13611c9c548SOr Gerlitz int num_actions; 13711c9c548SOr Gerlitz void *actions; 13811c9c548SOr Gerlitz }; 13911c9c548SOr Gerlitz 14011c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 14111c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 14211c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 14311c9c548SOr Gerlitz 14411c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 14511c9c548SOr Gerlitz struct list_head flows; 14611c9c548SOr Gerlitz 14711c9c548SOr Gerlitz struct mod_hdr_key key; 14811c9c548SOr Gerlitz 14911c9c548SOr Gerlitz u32 mod_hdr_id; 15011c9c548SOr Gerlitz }; 15111c9c548SOr Gerlitz 15211c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 15311c9c548SOr Gerlitz 15411c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 15511c9c548SOr Gerlitz { 15611c9c548SOr Gerlitz return jhash(key->actions, 15711c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 15811c9c548SOr Gerlitz } 15911c9c548SOr Gerlitz 16011c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 16111c9c548SOr Gerlitz struct mod_hdr_key *b) 16211c9c548SOr Gerlitz { 16311c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 16411c9c548SOr Gerlitz return 1; 16511c9c548SOr Gerlitz 16611c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 16711c9c548SOr Gerlitz } 16811c9c548SOr Gerlitz 16911c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 17011c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 17111c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 17211c9c548SOr Gerlitz { 17311c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 17411c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 17511c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 17611c9c548SOr Gerlitz struct mod_hdr_key key; 17711c9c548SOr Gerlitz bool found = false; 17811c9c548SOr Gerlitz u32 hash_key; 17911c9c548SOr Gerlitz 18011c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 18111c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 18211c9c548SOr Gerlitz 18311c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 18411c9c548SOr Gerlitz key.num_actions = num_actions; 18511c9c548SOr Gerlitz 18611c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 18711c9c548SOr Gerlitz 18811c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 18911c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 19011c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 19111c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 19211c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 19311c9c548SOr Gerlitz found = true; 19411c9c548SOr Gerlitz break; 19511c9c548SOr Gerlitz } 19611c9c548SOr Gerlitz } 19711c9c548SOr Gerlitz } else { 19811c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 19911c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 20011c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 20111c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 20211c9c548SOr Gerlitz found = true; 20311c9c548SOr Gerlitz break; 20411c9c548SOr Gerlitz } 20511c9c548SOr Gerlitz } 20611c9c548SOr Gerlitz } 20711c9c548SOr Gerlitz 20811c9c548SOr Gerlitz if (found) 20911c9c548SOr Gerlitz goto attach_flow; 21011c9c548SOr Gerlitz 21111c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 21211c9c548SOr Gerlitz if (!mh) 21311c9c548SOr Gerlitz return -ENOMEM; 21411c9c548SOr Gerlitz 21511c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 21611c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 21711c9c548SOr Gerlitz mh->key.num_actions = num_actions; 21811c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 21911c9c548SOr Gerlitz 22011c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 22111c9c548SOr Gerlitz mh->key.num_actions, 22211c9c548SOr Gerlitz mh->key.actions, 22311c9c548SOr Gerlitz &mh->mod_hdr_id); 22411c9c548SOr Gerlitz if (err) 22511c9c548SOr Gerlitz goto out_err; 22611c9c548SOr Gerlitz 22711c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 22811c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 22911c9c548SOr Gerlitz else 23011c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 23111c9c548SOr Gerlitz 23211c9c548SOr Gerlitz attach_flow: 23311c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 23411c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 23511c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 23611c9c548SOr Gerlitz else 23711c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 23811c9c548SOr Gerlitz 23911c9c548SOr Gerlitz return 0; 24011c9c548SOr Gerlitz 24111c9c548SOr Gerlitz out_err: 24211c9c548SOr Gerlitz kfree(mh); 24311c9c548SOr Gerlitz return err; 24411c9c548SOr Gerlitz } 24511c9c548SOr Gerlitz 24611c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 24711c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 24811c9c548SOr Gerlitz { 24911c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 25011c9c548SOr Gerlitz 25111c9c548SOr Gerlitz list_del(&flow->mod_hdr); 25211c9c548SOr Gerlitz 25311c9c548SOr Gerlitz if (list_empty(next)) { 25411c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 25511c9c548SOr Gerlitz 25611c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 25711c9c548SOr Gerlitz 25811c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 25911c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 26011c9c548SOr Gerlitz kfree(mh); 26111c9c548SOr Gerlitz } 26211c9c548SOr Gerlitz } 26311c9c548SOr Gerlitz 26477ab67b7SOr Gerlitz static 26577ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 26677ab67b7SOr Gerlitz { 26777ab67b7SOr Gerlitz struct net_device *netdev; 26877ab67b7SOr Gerlitz struct mlx5e_priv *priv; 26977ab67b7SOr Gerlitz 27077ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 27177ab67b7SOr Gerlitz priv = netdev_priv(netdev); 27277ab67b7SOr Gerlitz return priv->mdev; 27377ab67b7SOr Gerlitz } 27477ab67b7SOr Gerlitz 27577ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 27677ab67b7SOr Gerlitz { 27777ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 27877ab67b7SOr Gerlitz void *tirc; 27977ab67b7SOr Gerlitz int err; 28077ab67b7SOr Gerlitz 28177ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 28277ab67b7SOr Gerlitz if (err) 28377ab67b7SOr Gerlitz goto alloc_tdn_err; 28477ab67b7SOr Gerlitz 28577ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 28677ab67b7SOr Gerlitz 28777ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 288ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 28977ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 29077ab67b7SOr Gerlitz 29177ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 29277ab67b7SOr Gerlitz if (err) 29377ab67b7SOr Gerlitz goto create_tir_err; 29477ab67b7SOr Gerlitz 29577ab67b7SOr Gerlitz return 0; 29677ab67b7SOr Gerlitz 29777ab67b7SOr Gerlitz create_tir_err: 29877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 29977ab67b7SOr Gerlitz alloc_tdn_err: 30077ab67b7SOr Gerlitz return err; 30177ab67b7SOr Gerlitz } 30277ab67b7SOr Gerlitz 30377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 30477ab67b7SOr Gerlitz { 30577ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 30677ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 30777ab67b7SOr Gerlitz } 30877ab67b7SOr Gerlitz 3093f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3103f6d08d1SOr Gerlitz { 3113f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3123f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3133f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3143f6d08d1SOr Gerlitz 3153f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3163f6d08d1SOr Gerlitz hp->num_channels); 3173f6d08d1SOr Gerlitz 3183f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3193f6d08d1SOr Gerlitz ix = i; 320bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 3213f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3223f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3233f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3243f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3253f6d08d1SOr Gerlitz } 3263f6d08d1SOr Gerlitz } 3273f6d08d1SOr Gerlitz 3283f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3293f6d08d1SOr Gerlitz { 3303f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3313f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3323f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3333f6d08d1SOr Gerlitz void *rqtc; 3343f6d08d1SOr Gerlitz u32 *in; 3353f6d08d1SOr Gerlitz 3363f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3373f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3383f6d08d1SOr Gerlitz if (!in) 3393f6d08d1SOr Gerlitz return -ENOMEM; 3403f6d08d1SOr Gerlitz 3413f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3423f6d08d1SOr Gerlitz 3433f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3443f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3453f6d08d1SOr Gerlitz 3463f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3473f6d08d1SOr Gerlitz 3483f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3493f6d08d1SOr Gerlitz if (!err) 3503f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3513f6d08d1SOr Gerlitz 3523f6d08d1SOr Gerlitz kvfree(in); 3533f6d08d1SOr Gerlitz return err; 3543f6d08d1SOr Gerlitz } 3553f6d08d1SOr Gerlitz 3563f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3573f6d08d1SOr Gerlitz { 3583f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3593f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3603f6d08d1SOr Gerlitz int tt, i, err; 3613f6d08d1SOr Gerlitz void *tirc; 3623f6d08d1SOr Gerlitz 3633f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 364d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 365d930ac79SAya Levin 3663f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3673f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3683f6d08d1SOr Gerlitz 3693f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 3703f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 3713f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 372bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 373bbeb53b8SAya Levin 3743f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 3753f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 3763f6d08d1SOr Gerlitz if (err) { 3773f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 3783f6d08d1SOr Gerlitz goto err_destroy_tirs; 3793f6d08d1SOr Gerlitz } 3803f6d08d1SOr Gerlitz } 3813f6d08d1SOr Gerlitz return 0; 3823f6d08d1SOr Gerlitz 3833f6d08d1SOr Gerlitz err_destroy_tirs: 3843f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 3853f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 3863f6d08d1SOr Gerlitz return err; 3873f6d08d1SOr Gerlitz } 3883f6d08d1SOr Gerlitz 3893f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 3903f6d08d1SOr Gerlitz { 3913f6d08d1SOr Gerlitz int tt; 3923f6d08d1SOr Gerlitz 3933f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 3943f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 3953f6d08d1SOr Gerlitz } 3963f6d08d1SOr Gerlitz 3973f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 3983f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 3993f6d08d1SOr Gerlitz { 4003f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4013f6d08d1SOr Gerlitz int tt; 4023f6d08d1SOr Gerlitz 4033f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4043f6d08d1SOr Gerlitz 4053f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4063f6d08d1SOr Gerlitz 4073f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4083f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4093f6d08d1SOr Gerlitz 4103f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4113f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4123f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4133f6d08d1SOr Gerlitz } 4143f6d08d1SOr Gerlitz 4153f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4163f6d08d1SOr Gerlitz { 4173f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4183f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4193f6d08d1SOr Gerlitz int err; 4203f6d08d1SOr Gerlitz 4213f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4223f6d08d1SOr Gerlitz if (err) 4233f6d08d1SOr Gerlitz return err; 4243f6d08d1SOr Gerlitz 4253f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4263f6d08d1SOr Gerlitz if (err) 4273f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4283f6d08d1SOr Gerlitz 4293f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4303f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4313f6d08d1SOr Gerlitz if (err) 4323f6d08d1SOr Gerlitz goto err_create_ttc_table; 4333f6d08d1SOr Gerlitz 4343f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4353f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4363f6d08d1SOr Gerlitz 4373f6d08d1SOr Gerlitz return 0; 4383f6d08d1SOr Gerlitz 4393f6d08d1SOr Gerlitz err_create_ttc_table: 4403f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4413f6d08d1SOr Gerlitz err_create_indirect_tirs: 4423f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4433f6d08d1SOr Gerlitz 4443f6d08d1SOr Gerlitz return err; 4453f6d08d1SOr Gerlitz } 4463f6d08d1SOr Gerlitz 4473f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4483f6d08d1SOr Gerlitz { 4493f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4503f6d08d1SOr Gerlitz 4513f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4523f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4533f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4543f6d08d1SOr Gerlitz } 4553f6d08d1SOr Gerlitz 45677ab67b7SOr Gerlitz static struct mlx5e_hairpin * 45777ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 45877ab67b7SOr Gerlitz int peer_ifindex) 45977ab67b7SOr Gerlitz { 46077ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 46177ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 46277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 46377ab67b7SOr Gerlitz int err; 46477ab67b7SOr Gerlitz 46577ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 46677ab67b7SOr Gerlitz if (!hp) 46777ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 46877ab67b7SOr Gerlitz 46977ab67b7SOr Gerlitz func_mdev = priv->mdev; 47077ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 47177ab67b7SOr Gerlitz 47277ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 47377ab67b7SOr Gerlitz if (IS_ERR(pair)) { 47477ab67b7SOr Gerlitz err = PTR_ERR(pair); 47577ab67b7SOr Gerlitz goto create_pair_err; 47677ab67b7SOr Gerlitz } 47777ab67b7SOr Gerlitz hp->pair = pair; 47877ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 4793f6d08d1SOr Gerlitz hp->func_priv = priv; 4803f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 48177ab67b7SOr Gerlitz 48277ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 48377ab67b7SOr Gerlitz if (err) 48477ab67b7SOr Gerlitz goto create_transport_err; 48577ab67b7SOr Gerlitz 4863f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 4873f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 4883f6d08d1SOr Gerlitz if (err) 4893f6d08d1SOr Gerlitz goto rss_init_err; 4903f6d08d1SOr Gerlitz } 4913f6d08d1SOr Gerlitz 49277ab67b7SOr Gerlitz return hp; 49377ab67b7SOr Gerlitz 4943f6d08d1SOr Gerlitz rss_init_err: 4953f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 49677ab67b7SOr Gerlitz create_transport_err: 49777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 49877ab67b7SOr Gerlitz create_pair_err: 49977ab67b7SOr Gerlitz kfree(hp); 50077ab67b7SOr Gerlitz return ERR_PTR(err); 50177ab67b7SOr Gerlitz } 50277ab67b7SOr Gerlitz 50377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 50477ab67b7SOr Gerlitz { 5053f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5063f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 50777ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 50877ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 50977ab67b7SOr Gerlitz kvfree(hp); 51077ab67b7SOr Gerlitz } 51177ab67b7SOr Gerlitz 512106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 513106be53bSOr Gerlitz { 514106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 515106be53bSOr Gerlitz } 516106be53bSOr Gerlitz 5175c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 518106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5195c65c564SOr Gerlitz { 5205c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 521106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5225c65c564SOr Gerlitz 5235c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 524106be53bSOr Gerlitz hairpin_hlist, hash_key) { 525106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5265c65c564SOr Gerlitz return hpe; 5275c65c564SOr Gerlitz } 5285c65c564SOr Gerlitz 5295c65c564SOr Gerlitz return NULL; 5305c65c564SOr Gerlitz } 5315c65c564SOr Gerlitz 532106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 533106be53bSOr Gerlitz 534106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 535e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 536e98bedf5SEli Britstein struct netlink_ext_ack *extack) 537106be53bSOr Gerlitz { 538106be53bSOr Gerlitz void *headers_c, *headers_v; 539106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 540106be53bSOr Gerlitz bool vlan_present; 541106be53bSOr Gerlitz 542106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 543106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 544e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 545e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 546106be53bSOr Gerlitz return -EOPNOTSUPP; 547106be53bSOr Gerlitz } 548106be53bSOr Gerlitz #endif 549106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 550106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 551106be53bSOr Gerlitz 552106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 553106be53bSOr Gerlitz if (vlan_present) { 554106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 555106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 556106be53bSOr Gerlitz } 557106be53bSOr Gerlitz 558106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 559106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 560106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 561e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 562e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 563106be53bSOr Gerlitz return -EOPNOTSUPP; 564106be53bSOr Gerlitz } 565106be53bSOr Gerlitz 566106be53bSOr Gerlitz *match_prio = prio_val; 567106be53bSOr Gerlitz return 0; 568106be53bSOr Gerlitz } 569106be53bSOr Gerlitz 5705c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 5715c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 572e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 573e98bedf5SEli Britstein struct netlink_ext_ack *extack) 5745c65c564SOr Gerlitz { 5755c65c564SOr Gerlitz int peer_ifindex = parse_attr->mirred_ifindex; 5765c65c564SOr Gerlitz struct mlx5_hairpin_params params; 577d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 5785c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 5795c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 5803f6d08d1SOr Gerlitz u64 link_speed64; 5813f6d08d1SOr Gerlitz u32 link_speed; 582106be53bSOr Gerlitz u8 match_prio; 583d8822868SOr Gerlitz u16 peer_id; 5845c65c564SOr Gerlitz int err; 5855c65c564SOr Gerlitz 586d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 587d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 588e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 5895c65c564SOr Gerlitz return -EOPNOTSUPP; 5905c65c564SOr Gerlitz } 5915c65c564SOr Gerlitz 592d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 593e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 594e98bedf5SEli Britstein extack); 595106be53bSOr Gerlitz if (err) 596106be53bSOr Gerlitz return err; 597106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 5985c65c564SOr Gerlitz if (hpe) 5995c65c564SOr Gerlitz goto attach_flow; 6005c65c564SOr Gerlitz 6015c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6025c65c564SOr Gerlitz if (!hpe) 6035c65c564SOr Gerlitz return -ENOMEM; 6045c65c564SOr Gerlitz 6055c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 606d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 607106be53bSOr Gerlitz hpe->prio = match_prio; 6085c65c564SOr Gerlitz 6095c65c564SOr Gerlitz params.log_data_size = 15; 6105c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6115c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6125c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6135c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6145c65c564SOr Gerlitz 615eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 616eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 617eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 618eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 619eb9180f7SOr Gerlitz 620eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6213f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6222c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6233f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6243f6d08d1SOr Gerlitz link_speed64 = link_speed; 6253f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6263f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6273f6d08d1SOr Gerlitz 6285c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6295c65c564SOr Gerlitz if (IS_ERR(hp)) { 6305c65c564SOr Gerlitz err = PTR_ERR(hp); 6315c65c564SOr Gerlitz goto create_hairpin_err; 6325c65c564SOr Gerlitz } 6335c65c564SOr Gerlitz 634eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 635ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 636eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6375c65c564SOr Gerlitz 6385c65c564SOr Gerlitz hpe->hp = hp; 639106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 640106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6415c65c564SOr Gerlitz 6425c65c564SOr Gerlitz attach_flow: 6433f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6443f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6453f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6463f6d08d1SOr Gerlitz } else { 6475c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6483f6d08d1SOr Gerlitz } 6495c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6503f6d08d1SOr Gerlitz 6515c65c564SOr Gerlitz return 0; 6525c65c564SOr Gerlitz 6535c65c564SOr Gerlitz create_hairpin_err: 6545c65c564SOr Gerlitz kfree(hpe); 6555c65c564SOr Gerlitz return err; 6565c65c564SOr Gerlitz } 6575c65c564SOr Gerlitz 6585c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6595c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6605c65c564SOr Gerlitz { 6615c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6625c65c564SOr Gerlitz 6635c65c564SOr Gerlitz list_del(&flow->hairpin); 6645c65c564SOr Gerlitz 6655c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6665c65c564SOr Gerlitz if (list_empty(next)) { 6675c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6685c65c564SOr Gerlitz 6695c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 6705c65c564SOr Gerlitz 6715c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 6725c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 6735c65c564SOr Gerlitz 6745c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 6755c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 6765c65c564SOr Gerlitz kfree(hpe); 6775c65c564SOr Gerlitz } 6785c65c564SOr Gerlitz } 6795c65c564SOr Gerlitz 680c83954abSRabie Loulou static int 68174491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 68217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 683e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 684e98bedf5SEli Britstein struct netlink_ext_ack *extack) 685e8f887acSAmir Vadai { 686aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 687aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 6885c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 68966958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 6903bc4b7bfSOr Gerlitz .action = attr->action, 6913bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 69260786f09SMark Bloch .reformat_id = 0, 69342f7ad67SPaul Blakey .flags = FLOW_ACT_HAS_TAG | FLOW_ACT_NO_APPEND, 69466958ed9SHadar Hen Zion }; 695aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 696e8f887acSAmir Vadai bool table_created = false; 6975c65c564SOr Gerlitz int err, dest_ix = 0; 698e8f887acSAmir Vadai 6995c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 700e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7015c65c564SOr Gerlitz if (err) { 7025c65c564SOr Gerlitz goto err_add_hairpin_flow; 7035c65c564SOr Gerlitz } 7043f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7053f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7063f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7073f6d08d1SOr Gerlitz } else { 7085c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7095c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7103f6d08d1SOr Gerlitz } 7113f6d08d1SOr Gerlitz dest_ix++; 7123f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7135c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7145c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7155c65c564SOr Gerlitz dest_ix++; 7165c65c564SOr Gerlitz } 717aad7e08dSAmir Vadai 7185c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7195c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7205c65c564SOr Gerlitz if (IS_ERR(counter)) { 721c83954abSRabie Loulou err = PTR_ERR(counter); 7225c65c564SOr Gerlitz goto err_fc_create; 7235c65c564SOr Gerlitz } 7245c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 725171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 7265c65c564SOr Gerlitz dest_ix++; 727b8aee822SMark Bloch attr->counter = counter; 728aad7e08dSAmir Vadai } 729aad7e08dSAmir Vadai 7302f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7313099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 732d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7332f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 734c83954abSRabie Loulou if (err) 7352f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7362f4fe4caSOr Gerlitz } 7372f4fe4caSOr Gerlitz 738acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 73921b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 74021b9c144SOr Gerlitz u32 max_flow_counter; 74121b9c144SOr Gerlitz 74221b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 74321b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 74421b9c144SOr Gerlitz 74521b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 74621b9c144SOr Gerlitz 74721b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 74821b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 74921b9c144SOr Gerlitz 750acff797cSMaor Gottlieb priv->fs.tc.t = 751acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 752acff797cSMaor Gottlieb MLX5E_TC_PRIO, 75321b9c144SOr Gerlitz tc_tbl_size, 754acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7553f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 756acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 757e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 758e98bedf5SEli Britstein "Failed to create tc offload table\n"); 759e8f887acSAmir Vadai netdev_err(priv->netdev, 760e8f887acSAmir Vadai "Failed to create tc offload table\n"); 761c83954abSRabie Loulou err = PTR_ERR(priv->fs.tc.t); 762aad7e08dSAmir Vadai goto err_create_ft; 763e8f887acSAmir Vadai } 764e8f887acSAmir Vadai 765e8f887acSAmir Vadai table_created = true; 766e8f887acSAmir Vadai } 767e8f887acSAmir Vadai 76838aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 76917091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 77038aa51c1SOr Gerlitz 771c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 7725c65c564SOr Gerlitz &flow_act, dest, dest_ix); 773e8f887acSAmir Vadai 774c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 775c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 776aad7e08dSAmir Vadai goto err_add_rule; 777c83954abSRabie Loulou } 778aad7e08dSAmir Vadai 779c83954abSRabie Loulou return 0; 780aad7e08dSAmir Vadai 781aad7e08dSAmir Vadai err_add_rule: 782aad7e08dSAmir Vadai if (table_created) { 783acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 784acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 785e8f887acSAmir Vadai } 786aad7e08dSAmir Vadai err_create_ft: 7872f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 7883099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 7892f4fe4caSOr Gerlitz err_create_mod_hdr_id: 790aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 7915c65c564SOr Gerlitz err_fc_create: 7925c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 7935c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 7945c65c564SOr Gerlitz err_add_hairpin_flow: 795c83954abSRabie Loulou return err; 796e8f887acSAmir Vadai } 797e8f887acSAmir Vadai 798d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 799d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 800d85cdccbSOr Gerlitz { 801513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 802d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 803d85cdccbSOr Gerlitz 804b8aee822SMark Bloch counter = attr->counter; 805e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 806d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 807d85cdccbSOr Gerlitz 808b3a433deSOr Gerlitz if (!mlx5e_tc_num_filters(priv) && priv->fs.tc.t) { 809d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 810d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 811d85cdccbSOr Gerlitz } 8122f4fe4caSOr Gerlitz 813513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8143099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8155c65c564SOr Gerlitz 8165c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8175c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 818d85cdccbSOr Gerlitz } 819d85cdccbSOr Gerlitz 820aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 821aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow); 822aa0cbbaeSOr Gerlitz 8233c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 8243c37745eSOr Gerlitz struct ip_tunnel_info *tun_info, 8253c37745eSOr Gerlitz struct net_device *mirred_dev, 8263c37745eSOr Gerlitz struct net_device **encap_dev, 827e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 828e98bedf5SEli Britstein struct netlink_ext_ack *extack); 8293c37745eSOr Gerlitz 8306d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 8316d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 8326d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8336d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 8346d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8356d2a3ed0SOr Gerlitz { 8366d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 8376d2a3ed0SOr Gerlitz 8386d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 8396d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 8406d2a3ed0SOr Gerlitz return rule; 8416d2a3ed0SOr Gerlitz 8426d2a3ed0SOr Gerlitz if (attr->mirror_count) { 8436d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 8446d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 8456d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 8466d2a3ed0SOr Gerlitz return flow->rule[1]; 8476d2a3ed0SOr Gerlitz } 8486d2a3ed0SOr Gerlitz } 8496d2a3ed0SOr Gerlitz 8506d2a3ed0SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 8516d2a3ed0SOr Gerlitz return rule; 8526d2a3ed0SOr Gerlitz } 8536d2a3ed0SOr Gerlitz 8546d2a3ed0SOr Gerlitz static void 8556d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 8566d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8576d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8586d2a3ed0SOr Gerlitz { 8596d2a3ed0SOr Gerlitz flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 8606d2a3ed0SOr Gerlitz 8616d2a3ed0SOr Gerlitz if (attr->mirror_count) 8626d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 8636d2a3ed0SOr Gerlitz 8646d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 8656d2a3ed0SOr Gerlitz } 8666d2a3ed0SOr Gerlitz 8675dbe906fSPaul Blakey static struct mlx5_flow_handle * 8685dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 8695dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 8705dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 8715dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 8725dbe906fSPaul Blakey { 8735dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 8745dbe906fSPaul Blakey 8755dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 8765dbe906fSPaul Blakey slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST, 8775dbe906fSPaul Blakey slow_attr->mirror_count = 0, 8785dbe906fSPaul Blakey slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN, 8795dbe906fSPaul Blakey 8805dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 8815dbe906fSPaul Blakey if (!IS_ERR(rule)) 8825dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_SLOW; 8835dbe906fSPaul Blakey 8845dbe906fSPaul Blakey return rule; 8855dbe906fSPaul Blakey } 8865dbe906fSPaul Blakey 8875dbe906fSPaul Blakey static void 8885dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 8895dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 8905dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 8915dbe906fSPaul Blakey { 8925dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 8935dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 8945dbe906fSPaul Blakey flow->flags &= ~MLX5E_TC_FLOW_SLOW; 8955dbe906fSPaul Blakey } 8965dbe906fSPaul Blakey 897c83954abSRabie Loulou static int 89874491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 89917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 900e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 901e98bedf5SEli Britstein struct netlink_ext_ack *extack) 902adb4c123SOr Gerlitz { 903adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 904bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 905aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 906bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 9073c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 908b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 9093c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 9103c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 911c83954abSRabie Loulou int err = 0, encap_err = 0; 9128b32580dSOr Gerlitz 913bf07aa73SPaul Blakey /* if prios are not supported, keep the old behaviour of using same prio 914bf07aa73SPaul Blakey * for all offloaded rules. 915bf07aa73SPaul Blakey */ 916bf07aa73SPaul Blakey if (!mlx5_eswitch_prios_supported(esw)) 917e52c2802SPaul Blakey attr->prio = 1; 918e52c2802SPaul Blakey 919bf07aa73SPaul Blakey if (attr->chain > max_chain) { 920bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 921bf07aa73SPaul Blakey err = -EOPNOTSUPP; 922bf07aa73SPaul Blakey goto err_max_prio_chain; 923bf07aa73SPaul Blakey } 924bf07aa73SPaul Blakey 925bf07aa73SPaul Blakey if (attr->prio > max_prio) { 926bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 927bf07aa73SPaul Blakey err = -EOPNOTSUPP; 928bf07aa73SPaul Blakey goto err_max_prio_chain; 929bf07aa73SPaul Blakey } 930bf07aa73SPaul Blakey 93160786f09SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) { 9323c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 9333c37745eSOr Gerlitz attr->parse_attr->mirred_ifindex); 934c83954abSRabie Loulou encap_err = mlx5e_attach_encap(priv, &parse_attr->tun_info, 935c83954abSRabie Loulou out_dev, &encap_dev, flow, 936c83954abSRabie Loulou extack); 937c83954abSRabie Loulou if (encap_err && encap_err != -EAGAIN) { 938c83954abSRabie Loulou err = encap_err; 9393c37745eSOr Gerlitz goto err_attach_encap; 9403c37745eSOr Gerlitz } 9413c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 9423c37745eSOr Gerlitz rpriv = out_priv->ppriv; 943592d3651SChris Mi attr->out_rep[attr->out_count] = rpriv->rep; 944592d3651SChris Mi attr->out_mdev[attr->out_count++] = out_priv->mdev; 9453c37745eSOr Gerlitz } 9463c37745eSOr Gerlitz 9478b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 948c83954abSRabie Loulou if (err) 949aa0cbbaeSOr Gerlitz goto err_add_vlan; 950adb4c123SOr Gerlitz 951d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9521a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 953d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 954c83954abSRabie Loulou if (err) 955d7e75a32SOr Gerlitz goto err_mod_hdr; 956d7e75a32SOr Gerlitz } 957d7e75a32SOr Gerlitz 958b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 959b8aee822SMark Bloch counter = mlx5_fc_create(esw->dev, true); 960b8aee822SMark Bloch if (IS_ERR(counter)) { 961c83954abSRabie Loulou err = PTR_ERR(counter); 962b8aee822SMark Bloch goto err_create_counter; 963b8aee822SMark Bloch } 964b8aee822SMark Bloch 965b8aee822SMark Bloch attr->counter = counter; 966b8aee822SMark Bloch } 967b8aee822SMark Bloch 968c83954abSRabie Loulou /* we get here if (1) there's no error or when 9693c37745eSOr Gerlitz * (2) there's an encap action and we're on -EAGAIN (no valid neigh) 9703c37745eSOr Gerlitz */ 9715dbe906fSPaul Blakey if (encap_err == -EAGAIN) { 9725dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 9735dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 9745dbe906fSPaul Blakey 9755dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 9765dbe906fSPaul Blakey } else { 9776d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 9785dbe906fSPaul Blakey } 9795dbe906fSPaul Blakey 980c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 981c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 982aa0cbbaeSOr Gerlitz goto err_add_rule; 983c83954abSRabie Loulou } 984c83954abSRabie Loulou 9855dbe906fSPaul Blakey return 0; 986aa0cbbaeSOr Gerlitz 987aa0cbbaeSOr Gerlitz err_add_rule: 988b8aee822SMark Bloch mlx5_fc_destroy(esw->dev, counter); 989b8aee822SMark Bloch err_create_counter: 990513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9911a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 992d7e75a32SOr Gerlitz err_mod_hdr: 993aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 994aa0cbbaeSOr Gerlitz err_add_vlan: 99560786f09SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) 996aa0cbbaeSOr Gerlitz mlx5e_detach_encap(priv, flow); 9973c37745eSOr Gerlitz err_attach_encap: 998bf07aa73SPaul Blakey err_max_prio_chain: 999c83954abSRabie Loulou return err; 1000aa0cbbaeSOr Gerlitz } 1001d85cdccbSOr Gerlitz 1002d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1003d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1004d85cdccbSOr Gerlitz { 1005d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1006d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10075dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1008d85cdccbSOr Gerlitz 10095dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 10105dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_SLOW) 10115dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10125dbe906fSPaul Blakey else 10135dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 10145dbe906fSPaul Blakey } 1015d85cdccbSOr Gerlitz 1016513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1017d85cdccbSOr Gerlitz 101860786f09SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) { 1019d85cdccbSOr Gerlitz mlx5e_detach_encap(priv, flow); 1020513f8f7fSOr Gerlitz kvfree(attr->parse_attr); 1021232c0013SHadar Hen Zion } 1022d7e75a32SOr Gerlitz 1023513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10241a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1025b8aee822SMark Bloch 1026b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1027b8aee822SMark Bloch mlx5_fc_destroy(esw->dev, attr->counter); 1028d85cdccbSOr Gerlitz } 1029d85cdccbSOr Gerlitz 1030232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1031232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1032232c0013SHadar Hen Zion { 10333c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 10345dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 10356d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10366d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1037232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1038232c0013SHadar Hen Zion int err; 1039232c0013SHadar Hen Zion 104060786f09SMark Bloch err = mlx5_packet_reformat_alloc(priv->mdev, e->tunnel_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 static void parse_vxlan_attr(struct mlx5_flow_spec *spec, 1197bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1198bbd00f7eSHadar Hen Zion { 1199bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1200bbd00f7eSHadar Hen Zion outer_headers); 1201bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1202bbd00f7eSHadar Hen Zion outer_headers); 1203bbd00f7eSHadar Hen Zion void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1204bbd00f7eSHadar Hen Zion misc_parameters); 1205bbd00f7eSHadar Hen Zion void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1206bbd00f7eSHadar Hen Zion misc_parameters); 1207bbd00f7eSHadar Hen Zion 1208bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_protocol); 1209bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP); 1210bbd00f7eSHadar Hen Zion 1211bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID)) { 1212bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *key = 1213bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1214bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1215bbd00f7eSHadar Hen Zion f->key); 1216bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *mask = 1217bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1218bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1219bbd00f7eSHadar Hen Zion f->mask); 1220bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_c, vxlan_vni, 1221bbd00f7eSHadar Hen Zion be32_to_cpu(mask->keyid)); 1222bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_v, vxlan_vni, 1223bbd00f7eSHadar Hen Zion be32_to_cpu(key->keyid)); 1224bbd00f7eSHadar Hen Zion } 1225bbd00f7eSHadar Hen Zion } 1226bbd00f7eSHadar Hen Zion 1227bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1228bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1229bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1230bbd00f7eSHadar Hen Zion { 1231e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1232bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1233bbd00f7eSHadar Hen Zion outer_headers); 1234bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1235bbd00f7eSHadar Hen Zion outer_headers); 1236bbd00f7eSHadar Hen Zion 12372e72eb43SOr Gerlitz struct flow_dissector_key_control *enc_control = 12382e72eb43SOr Gerlitz skb_flow_dissector_target(f->dissector, 12392e72eb43SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_CONTROL, 12402e72eb43SOr Gerlitz f->key); 12412e72eb43SOr Gerlitz 1242bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) { 1243bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *key = 1244bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1245bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1246bbd00f7eSHadar Hen Zion f->key); 1247bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *mask = 1248bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1249bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1250bbd00f7eSHadar Hen Zion f->mask); 1251bbd00f7eSHadar Hen Zion 1252bbd00f7eSHadar Hen Zion /* Full udp dst port must be given */ 1253bbd00f7eSHadar Hen Zion if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) 12542fcd82e9SOr Gerlitz goto vxlan_match_offload_err; 1255bbd00f7eSHadar Hen Zion 1256a3e67366SSaeed Mahameed if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, be16_to_cpu(key->dst)) && 1257bbd00f7eSHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) 1258bbd00f7eSHadar Hen Zion parse_vxlan_attr(spec, f); 12592fcd82e9SOr Gerlitz else { 1260e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1261e98bedf5SEli Britstein "port isn't an offloaded vxlan udp dport"); 12622fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 12632fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->dst)); 1264bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 12652fcd82e9SOr Gerlitz } 1266bbd00f7eSHadar Hen Zion 1267bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1268bbd00f7eSHadar Hen Zion udp_dport, ntohs(mask->dst)); 1269bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1270bbd00f7eSHadar Hen Zion udp_dport, ntohs(key->dst)); 1271bbd00f7eSHadar Hen Zion 1272cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1273cd377663SOr Gerlitz udp_sport, ntohs(mask->src)); 1274cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1275cd377663SOr Gerlitz udp_sport, ntohs(key->src)); 1276bbd00f7eSHadar Hen Zion } else { /* udp dst port must be given */ 12772fcd82e9SOr Gerlitz vxlan_match_offload_err: 1278e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1279e98bedf5SEli Britstein "IP tunnel decap offload supported only for vxlan, must set UDP dport"); 12802fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 12812fcd82e9SOr Gerlitz "IP tunnel decap offload supported only for vxlan, must set UDP dport\n"); 1282bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1283bbd00f7eSHadar Hen Zion } 1284bbd00f7eSHadar Hen Zion 12852e72eb43SOr Gerlitz if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1286bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *key = 1287bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1288bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1289bbd00f7eSHadar Hen Zion f->key); 1290bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *mask = 1291bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1292bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1293bbd00f7eSHadar Hen Zion f->mask); 1294bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1295bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1296bbd00f7eSHadar Hen Zion ntohl(mask->src)); 1297bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1298bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1299bbd00f7eSHadar Hen Zion ntohl(key->src)); 1300bbd00f7eSHadar Hen Zion 1301bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1302bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1303bbd00f7eSHadar Hen Zion ntohl(mask->dst)); 1304bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1305bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1306bbd00f7eSHadar Hen Zion ntohl(key->dst)); 1307bbd00f7eSHadar Hen Zion 1308bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1309bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 131019f44401SOr Gerlitz } else if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 131119f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *key = 131219f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 131319f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 131419f44401SOr Gerlitz f->key); 131519f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *mask = 131619f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 131719f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 131819f44401SOr Gerlitz f->mask); 131919f44401SOr Gerlitz 132019f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 132119f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 132219f44401SOr Gerlitz &mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 132319f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 132419f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 132519f44401SOr Gerlitz &key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 132619f44401SOr Gerlitz 132719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 132819f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 132919f44401SOr Gerlitz &mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 133019f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 133119f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 133219f44401SOr Gerlitz &key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 133319f44401SOr Gerlitz 133419f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 133519f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 13362e72eb43SOr Gerlitz } 1337bbd00f7eSHadar Hen Zion 1338bcef735cSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_IP)) { 1339bcef735cSOr Gerlitz struct flow_dissector_key_ip *key = 1340bcef735cSOr Gerlitz skb_flow_dissector_target(f->dissector, 1341bcef735cSOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IP, 1342bcef735cSOr Gerlitz f->key); 1343bcef735cSOr Gerlitz struct flow_dissector_key_ip *mask = 1344bcef735cSOr Gerlitz skb_flow_dissector_target(f->dissector, 1345bcef735cSOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IP, 1346bcef735cSOr Gerlitz f->mask); 1347bcef735cSOr Gerlitz 1348bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 1349bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 1350bcef735cSOr Gerlitz 1351bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 1352bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 1353bcef735cSOr Gerlitz 1354bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1355bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 1356e98bedf5SEli Britstein 1357e98bedf5SEli Britstein if (mask->ttl && 1358e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1359e98bedf5SEli Britstein (priv->mdev, 1360e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1361e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1362e98bedf5SEli Britstein "Matching on TTL is not supported"); 1363e98bedf5SEli Britstein return -EOPNOTSUPP; 1364e98bedf5SEli Britstein } 1365e98bedf5SEli Britstein 1366bcef735cSOr Gerlitz } 1367bcef735cSOr Gerlitz 1368bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1369bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1370bbd00f7eSHadar Hen Zion */ 1371bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1372bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1373bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1374bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1375bbd00f7eSHadar Hen Zion 1376bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1377bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1378bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1379bbd00f7eSHadar Hen Zion 1380bbd00f7eSHadar Hen Zion return 0; 1381bbd00f7eSHadar Hen Zion } 1382bbd00f7eSHadar Hen Zion 1383de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1384de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1385de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 1386d708f902SOr Gerlitz u8 *match_level) 1387e3a2b7edSAmir Vadai { 1388e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1389c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1390c5bb1730SMaor Gottlieb outer_headers); 1391c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1392c5bb1730SMaor Gottlieb outer_headers); 1393699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1394699e96ddSJianbo Liu misc_parameters); 1395699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1396699e96ddSJianbo Liu misc_parameters); 1397e3a2b7edSAmir Vadai u16 addr_type = 0; 1398e3a2b7edSAmir Vadai u8 ip_proto = 0; 1399e3a2b7edSAmir Vadai 1400d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1401de0af0bfSRoi Dayan 1402e3a2b7edSAmir Vadai if (f->dissector->used_keys & 1403e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1404e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1405e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1406095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1407699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1408e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1409e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1410bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1411bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1412bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1413bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1414bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1415e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1416fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1417bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 1418bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { 1419e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1420e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 1421e3a2b7edSAmir Vadai f->dissector->used_keys); 1422e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1423e3a2b7edSAmir Vadai } 1424e3a2b7edSAmir Vadai 1425bbd00f7eSHadar Hen Zion if ((dissector_uses_key(f->dissector, 1426bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 1427bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID) || 1428bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 1429bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 1430bbd00f7eSHadar Hen Zion struct flow_dissector_key_control *key = 1431bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1432bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_CONTROL, 1433bbd00f7eSHadar Hen Zion f->key); 1434bbd00f7eSHadar Hen Zion switch (key->addr_type) { 1435bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 143619f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 1437bbd00f7eSHadar Hen Zion if (parse_tunnel_attr(priv, spec, f)) 1438bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1439bbd00f7eSHadar Hen Zion break; 1440bbd00f7eSHadar Hen Zion default: 1441bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1442bbd00f7eSHadar Hen Zion } 1443bbd00f7eSHadar Hen Zion 1444bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1445bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1446bbd00f7eSHadar Hen Zion */ 1447bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1448bbd00f7eSHadar Hen Zion inner_headers); 1449bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1450bbd00f7eSHadar Hen Zion inner_headers); 1451bbd00f7eSHadar Hen Zion } 1452bbd00f7eSHadar Hen Zion 1453d3a80bb5SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 1454d3a80bb5SOr Gerlitz struct flow_dissector_key_basic *key = 1455e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1456d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 1457e3a2b7edSAmir Vadai f->key); 1458d3a80bb5SOr Gerlitz struct flow_dissector_key_basic *mask = 1459e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1460d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 1461e3a2b7edSAmir Vadai f->mask); 1462d3a80bb5SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 1463d3a80bb5SOr Gerlitz ntohs(mask->n_proto)); 1464d3a80bb5SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 1465d3a80bb5SOr Gerlitz ntohs(key->n_proto)); 1466e3a2b7edSAmir Vadai 1467d3a80bb5SOr Gerlitz if (mask->n_proto) 1468d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1469e3a2b7edSAmir Vadai } 1470e3a2b7edSAmir Vadai 1471095b6cfdSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) { 1472095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *key = 1473095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1474095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1475095b6cfdSOr Gerlitz f->key); 1476095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *mask = 1477095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1478095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1479095b6cfdSOr Gerlitz f->mask); 1480699e96ddSJianbo Liu if (mask->vlan_id || mask->vlan_priority || mask->vlan_tpid) { 1481699e96ddSJianbo Liu if (key->vlan_tpid == htons(ETH_P_8021AD)) { 1482699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1483699e96ddSJianbo Liu svlan_tag, 1); 1484699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1485699e96ddSJianbo Liu svlan_tag, 1); 1486699e96ddSJianbo Liu } else { 1487699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1488699e96ddSJianbo Liu cvlan_tag, 1); 1489699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1490699e96ddSJianbo Liu cvlan_tag, 1); 1491699e96ddSJianbo Liu } 1492095b6cfdSOr Gerlitz 1493095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id); 1494095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id); 1495358d79a4SOr Gerlitz 1496358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority); 1497358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority); 149854782900SOr Gerlitz 1499d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1500095b6cfdSOr Gerlitz } 1501d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1502cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1503cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1504d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1505095b6cfdSOr Gerlitz } 1506095b6cfdSOr Gerlitz 1507699e96ddSJianbo Liu if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CVLAN)) { 1508699e96ddSJianbo Liu struct flow_dissector_key_vlan *key = 1509699e96ddSJianbo Liu skb_flow_dissector_target(f->dissector, 1510699e96ddSJianbo Liu FLOW_DISSECTOR_KEY_CVLAN, 1511699e96ddSJianbo Liu f->key); 1512699e96ddSJianbo Liu struct flow_dissector_key_vlan *mask = 1513699e96ddSJianbo Liu skb_flow_dissector_target(f->dissector, 1514699e96ddSJianbo Liu FLOW_DISSECTOR_KEY_CVLAN, 1515699e96ddSJianbo Liu f->mask); 1516699e96ddSJianbo Liu if (mask->vlan_id || mask->vlan_priority || mask->vlan_tpid) { 1517699e96ddSJianbo Liu if (key->vlan_tpid == htons(ETH_P_8021AD)) { 1518699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1519699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1520699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1521699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1522699e96ddSJianbo Liu } else { 1523699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1524699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1525699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1526699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1527699e96ddSJianbo Liu } 1528699e96ddSJianbo Liu 1529699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 1530699e96ddSJianbo Liu mask->vlan_id); 1531699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 1532699e96ddSJianbo Liu key->vlan_id); 1533699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 1534699e96ddSJianbo Liu mask->vlan_priority); 1535699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 1536699e96ddSJianbo Liu key->vlan_priority); 1537699e96ddSJianbo Liu 1538699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1539699e96ddSJianbo Liu } 1540699e96ddSJianbo Liu } 1541699e96ddSJianbo Liu 1542d3a80bb5SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 1543d3a80bb5SOr Gerlitz struct flow_dissector_key_eth_addrs *key = 154454782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 1545d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_ETH_ADDRS, 154654782900SOr Gerlitz f->key); 1547d3a80bb5SOr Gerlitz struct flow_dissector_key_eth_addrs *mask = 154854782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 1549d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_ETH_ADDRS, 155054782900SOr Gerlitz f->mask); 155154782900SOr Gerlitz 1552d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1553d3a80bb5SOr Gerlitz dmac_47_16), 1554d3a80bb5SOr Gerlitz mask->dst); 1555d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1556d3a80bb5SOr Gerlitz dmac_47_16), 1557d3a80bb5SOr Gerlitz key->dst); 1558d3a80bb5SOr Gerlitz 1559d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1560d3a80bb5SOr Gerlitz smac_47_16), 1561d3a80bb5SOr Gerlitz mask->src); 1562d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1563d3a80bb5SOr Gerlitz smac_47_16), 1564d3a80bb5SOr Gerlitz key->src); 1565d3a80bb5SOr Gerlitz 1566d3a80bb5SOr Gerlitz if (!is_zero_ether_addr(mask->src) || !is_zero_ether_addr(mask->dst)) 1567d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 156854782900SOr Gerlitz } 156954782900SOr Gerlitz 157054782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) { 157154782900SOr Gerlitz struct flow_dissector_key_control *key = 157254782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 157354782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 157454782900SOr Gerlitz f->key); 157554782900SOr Gerlitz 157654782900SOr Gerlitz struct flow_dissector_key_control *mask = 157754782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 157854782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 157954782900SOr Gerlitz f->mask); 158054782900SOr Gerlitz addr_type = key->addr_type; 158154782900SOr Gerlitz 158254782900SOr Gerlitz /* the HW doesn't support frag first/later */ 158354782900SOr Gerlitz if (mask->flags & FLOW_DIS_FIRST_FRAG) 158454782900SOr Gerlitz return -EOPNOTSUPP; 158554782900SOr Gerlitz 158654782900SOr Gerlitz if (mask->flags & FLOW_DIS_IS_FRAGMENT) { 158754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 158854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 158954782900SOr Gerlitz key->flags & FLOW_DIS_IS_FRAGMENT); 159054782900SOr Gerlitz 159154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 159254782900SOr Gerlitz if (!(key->flags & FLOW_DIS_IS_FRAGMENT)) 159383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 159454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 159554782900SOr Gerlitz else 159683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 159754782900SOr Gerlitz } 159854782900SOr Gerlitz } 159954782900SOr Gerlitz 160054782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 160154782900SOr Gerlitz struct flow_dissector_key_basic *key = 160254782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 160354782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 160454782900SOr Gerlitz f->key); 160554782900SOr Gerlitz struct flow_dissector_key_basic *mask = 160654782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 160754782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 160854782900SOr Gerlitz f->mask); 160954782900SOr Gerlitz ip_proto = key->ip_proto; 161054782900SOr Gerlitz 161154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 161254782900SOr Gerlitz mask->ip_proto); 161354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 161454782900SOr Gerlitz key->ip_proto); 161554782900SOr Gerlitz 161654782900SOr Gerlitz if (mask->ip_proto) 1617d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 161854782900SOr Gerlitz } 161954782900SOr Gerlitz 1620e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1621e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *key = 1622e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1623e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1624e3a2b7edSAmir Vadai f->key); 1625e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *mask = 1626e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1627e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1628e3a2b7edSAmir Vadai f->mask); 1629e3a2b7edSAmir Vadai 1630e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1631e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1632e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1633e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1634e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1635e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1636e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1637e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1638e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1639e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1640e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1641e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1642de0af0bfSRoi Dayan 1643de0af0bfSRoi Dayan if (mask->src || mask->dst) 1644d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1645e3a2b7edSAmir Vadai } 1646e3a2b7edSAmir Vadai 1647e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 1648e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *key = 1649e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1650e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1651e3a2b7edSAmir Vadai f->key); 1652e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *mask = 1653e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1654e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1655e3a2b7edSAmir Vadai f->mask); 1656e3a2b7edSAmir Vadai 1657e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1658e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1659e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1660e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1661e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1662e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1663e3a2b7edSAmir Vadai 1664e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1665e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1666e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1667e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1668e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1669e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1670de0af0bfSRoi Dayan 1671de0af0bfSRoi Dayan if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY || 1672de0af0bfSRoi Dayan ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY) 1673d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1674e3a2b7edSAmir Vadai } 1675e3a2b7edSAmir Vadai 16761f97a526SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_IP)) { 16771f97a526SOr Gerlitz struct flow_dissector_key_ip *key = 16781f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 16791f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 16801f97a526SOr Gerlitz f->key); 16811f97a526SOr Gerlitz struct flow_dissector_key_ip *mask = 16821f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 16831f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 16841f97a526SOr Gerlitz f->mask); 16851f97a526SOr Gerlitz 16861f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 16871f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 16881f97a526SOr Gerlitz 16891f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 16901f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 16911f97a526SOr Gerlitz 1692a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1693a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 16941f97a526SOr Gerlitz 1695a8ade55fSOr Gerlitz if (mask->ttl && 1696a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1697e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1698e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1699e98bedf5SEli Britstein "Matching on TTL is not supported"); 17001f97a526SOr Gerlitz return -EOPNOTSUPP; 1701e98bedf5SEli Britstein } 1702a8ade55fSOr Gerlitz 1703a8ade55fSOr Gerlitz if (mask->tos || mask->ttl) 1704d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 17051f97a526SOr Gerlitz } 17061f97a526SOr Gerlitz 170754782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 170854782900SOr Gerlitz 1709e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) { 1710e3a2b7edSAmir Vadai struct flow_dissector_key_ports *key = 1711e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1712e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1713e3a2b7edSAmir Vadai f->key); 1714e3a2b7edSAmir Vadai struct flow_dissector_key_ports *mask = 1715e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1716e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1717e3a2b7edSAmir Vadai f->mask); 1718e3a2b7edSAmir Vadai switch (ip_proto) { 1719e3a2b7edSAmir Vadai case IPPROTO_TCP: 1720e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1721e3a2b7edSAmir Vadai tcp_sport, ntohs(mask->src)); 1722e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1723e3a2b7edSAmir Vadai tcp_sport, ntohs(key->src)); 1724e3a2b7edSAmir Vadai 1725e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1726e3a2b7edSAmir Vadai tcp_dport, ntohs(mask->dst)); 1727e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1728e3a2b7edSAmir Vadai tcp_dport, ntohs(key->dst)); 1729e3a2b7edSAmir Vadai break; 1730e3a2b7edSAmir Vadai 1731e3a2b7edSAmir Vadai case IPPROTO_UDP: 1732e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1733e3a2b7edSAmir Vadai udp_sport, ntohs(mask->src)); 1734e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1735e3a2b7edSAmir Vadai udp_sport, ntohs(key->src)); 1736e3a2b7edSAmir Vadai 1737e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1738e3a2b7edSAmir Vadai udp_dport, ntohs(mask->dst)); 1739e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1740e3a2b7edSAmir Vadai udp_dport, ntohs(key->dst)); 1741e3a2b7edSAmir Vadai break; 1742e3a2b7edSAmir Vadai default: 1743e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1744e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1745e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1746e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1747e3a2b7edSAmir Vadai return -EINVAL; 1748e3a2b7edSAmir Vadai } 1749de0af0bfSRoi Dayan 1750de0af0bfSRoi Dayan if (mask->src || mask->dst) 1751d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1752e3a2b7edSAmir Vadai } 1753e3a2b7edSAmir Vadai 1754e77834ecSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) { 1755e77834ecSOr Gerlitz struct flow_dissector_key_tcp *key = 1756e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1757e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1758e77834ecSOr Gerlitz f->key); 1759e77834ecSOr Gerlitz struct flow_dissector_key_tcp *mask = 1760e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1761e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1762e77834ecSOr Gerlitz f->mask); 1763e77834ecSOr Gerlitz 1764e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 1765e77834ecSOr Gerlitz ntohs(mask->flags)); 1766e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 1767e77834ecSOr Gerlitz ntohs(key->flags)); 1768e77834ecSOr Gerlitz 1769e77834ecSOr Gerlitz if (mask->flags) 1770d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1771e77834ecSOr Gerlitz } 1772e77834ecSOr Gerlitz 1773e3a2b7edSAmir Vadai return 0; 1774e3a2b7edSAmir Vadai } 1775e3a2b7edSAmir Vadai 1776de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 177765ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1778de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1779de0af0bfSRoi Dayan struct tc_cls_flower_offload *f) 1780de0af0bfSRoi Dayan { 1781e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1782de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1783de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 17841d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 17851d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1786d708f902SOr Gerlitz u8 match_level; 1787de0af0bfSRoi Dayan int err; 1788de0af0bfSRoi Dayan 1789d708f902SOr Gerlitz err = __parse_cls_flower(priv, spec, f, &match_level); 1790de0af0bfSRoi Dayan 17911d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 17921d447a39SSaeed Mahameed rep = rpriv->rep; 17931d447a39SSaeed Mahameed if (rep->vport != FDB_UPLINK_VPORT && 17941d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1795d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1796e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1797e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1798de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1799de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1800d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1801de0af0bfSRoi Dayan return -EOPNOTSUPP; 1802de0af0bfSRoi Dayan } 1803de0af0bfSRoi Dayan } 1804de0af0bfSRoi Dayan 180538aa51c1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 180638aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 180738aa51c1SOr Gerlitz else 180838aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 180938aa51c1SOr Gerlitz 1810de0af0bfSRoi Dayan return err; 1811de0af0bfSRoi Dayan } 1812de0af0bfSRoi Dayan 1813d79b6df6SOr Gerlitz struct pedit_headers { 1814d79b6df6SOr Gerlitz struct ethhdr eth; 1815d79b6df6SOr Gerlitz struct iphdr ip4; 1816d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1817d79b6df6SOr Gerlitz struct tcphdr tcp; 1818d79b6df6SOr Gerlitz struct udphdr udp; 1819d79b6df6SOr Gerlitz }; 1820d79b6df6SOr Gerlitz 1821d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 1822d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 1823d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 1824d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 1825d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 1826d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1827d79b6df6SOr Gerlitz }; 1828d79b6df6SOr Gerlitz 1829d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1830d79b6df6SOr Gerlitz 1831d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1832d79b6df6SOr Gerlitz struct pedit_headers *masks, 1833d79b6df6SOr Gerlitz struct pedit_headers *vals) 1834d79b6df6SOr Gerlitz { 1835d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1836d79b6df6SOr Gerlitz 1837d79b6df6SOr Gerlitz if (hdr_type >= __PEDIT_HDR_TYPE_MAX) 1838d79b6df6SOr Gerlitz goto out_err; 1839d79b6df6SOr Gerlitz 1840d79b6df6SOr Gerlitz curr_pmask = (u32 *)(pedit_header(masks, hdr_type) + offset); 1841d79b6df6SOr Gerlitz curr_pval = (u32 *)(pedit_header(vals, hdr_type) + offset); 1842d79b6df6SOr Gerlitz 1843d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1844d79b6df6SOr Gerlitz goto out_err; 1845d79b6df6SOr Gerlitz 1846d79b6df6SOr Gerlitz *curr_pmask |= mask; 1847d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1848d79b6df6SOr Gerlitz 1849d79b6df6SOr Gerlitz return 0; 1850d79b6df6SOr Gerlitz 1851d79b6df6SOr Gerlitz out_err: 1852d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1853d79b6df6SOr Gerlitz } 1854d79b6df6SOr Gerlitz 1855d79b6df6SOr Gerlitz struct mlx5_fields { 1856d79b6df6SOr Gerlitz u8 field; 1857d79b6df6SOr Gerlitz u8 size; 1858d79b6df6SOr Gerlitz u32 offset; 1859d79b6df6SOr Gerlitz }; 1860d79b6df6SOr Gerlitz 1861a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1862a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1863a8e4f0c4SOr Gerlitz 1864d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1865a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1866a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1867a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1868a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1869a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 1870d79b6df6SOr Gerlitz 1871a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1872a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1873a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1874d79b6df6SOr Gerlitz 1875a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1876a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1877a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1878a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1879a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1880a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1881a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1882a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 18830c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1884d79b6df6SOr Gerlitz 1885a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1886a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1887a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1888d79b6df6SOr Gerlitz 1889a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1890a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1891d79b6df6SOr Gerlitz }; 1892d79b6df6SOr Gerlitz 1893d79b6df6SOr Gerlitz /* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at 1894d79b6df6SOr Gerlitz * max from the SW pedit action. On success, it says how many HW actions were 1895d79b6df6SOr Gerlitz * actually parsed. 1896d79b6df6SOr Gerlitz */ 1897d79b6df6SOr Gerlitz static int offload_pedit_fields(struct pedit_headers *masks, 1898d79b6df6SOr Gerlitz struct pedit_headers *vals, 1899e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1900e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1901d79b6df6SOr Gerlitz { 1902d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 19032b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1904d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1905d79b6df6SOr Gerlitz struct mlx5_fields *f; 1906d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1907e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1908d79b6df6SOr Gerlitz unsigned long mask; 19092b64bebaSOr Gerlitz __be32 mask_be32; 19102b64bebaSOr Gerlitz __be16 mask_be16; 1911d79b6df6SOr Gerlitz void *action; 1912d79b6df6SOr Gerlitz 1913d79b6df6SOr Gerlitz set_masks = &masks[TCA_PEDIT_KEY_EX_CMD_SET]; 1914d79b6df6SOr Gerlitz add_masks = &masks[TCA_PEDIT_KEY_EX_CMD_ADD]; 1915d79b6df6SOr Gerlitz set_vals = &vals[TCA_PEDIT_KEY_EX_CMD_SET]; 1916d79b6df6SOr Gerlitz add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD]; 1917d79b6df6SOr Gerlitz 1918d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1919d79b6df6SOr Gerlitz action = parse_attr->mod_hdr_actions; 1920d79b6df6SOr Gerlitz max_actions = parse_attr->num_mod_hdr_actions; 1921d79b6df6SOr Gerlitz nactions = 0; 1922d79b6df6SOr Gerlitz 1923d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1924d79b6df6SOr Gerlitz f = &fields[i]; 1925d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1926e3ca4e05SOr Gerlitz s_mask = 0; 1927e3ca4e05SOr Gerlitz a_mask = 0; 1928d79b6df6SOr Gerlitz 1929d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1930d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1931d79b6df6SOr Gerlitz 1932d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1933d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1934d79b6df6SOr Gerlitz 1935d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1936d79b6df6SOr Gerlitz continue; 1937d79b6df6SOr Gerlitz 1938d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1939e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1940e98bedf5SEli Britstein "can't set and add to the same HW field"); 1941d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1942d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1943d79b6df6SOr Gerlitz } 1944d79b6df6SOr Gerlitz 1945d79b6df6SOr Gerlitz if (nactions == max_actions) { 1946e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1947e98bedf5SEli Britstein "too many pedit actions, can't offload"); 1948d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1949d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1950d79b6df6SOr Gerlitz } 1951d79b6df6SOr Gerlitz 1952d79b6df6SOr Gerlitz if (s_mask) { 1953d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1954d79b6df6SOr Gerlitz mask = s_mask; 1955d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1956d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1957d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1958d79b6df6SOr Gerlitz } else { 1959d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1960d79b6df6SOr Gerlitz mask = a_mask; 1961d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1962d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1963d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1964d79b6df6SOr Gerlitz } 1965d79b6df6SOr Gerlitz 1966d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1967e3ca4e05SOr Gerlitz 19682b64bebaSOr Gerlitz if (field_bsize == 32) { 19692b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 19702b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 19712b64bebaSOr Gerlitz } else if (field_bsize == 16) { 19722b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 19732b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 19742b64bebaSOr Gerlitz } 19752b64bebaSOr Gerlitz 1976d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 19772b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1978d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 19792b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 1980e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1981e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 19822b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 1983d79b6df6SOr Gerlitz mask); 1984d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1985d79b6df6SOr Gerlitz } 1986d79b6df6SOr Gerlitz 1987d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 1988d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 1989d79b6df6SOr Gerlitz 1990d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 19912b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 1992d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 19932b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 1994d79b6df6SOr Gerlitz } 1995d79b6df6SOr Gerlitz 1996d79b6df6SOr Gerlitz if (field_bsize == 32) 19972b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 1998d79b6df6SOr Gerlitz else if (field_bsize == 16) 19992b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 2000d79b6df6SOr Gerlitz else if (field_bsize == 8) 20012b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2002d79b6df6SOr Gerlitz 2003d79b6df6SOr Gerlitz action += action_size; 2004d79b6df6SOr Gerlitz nactions++; 2005d79b6df6SOr Gerlitz } 2006d79b6df6SOr Gerlitz 2007d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2008d79b6df6SOr Gerlitz return 0; 2009d79b6df6SOr Gerlitz } 2010d79b6df6SOr Gerlitz 2011d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2012d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 2013d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2014d79b6df6SOr Gerlitz { 2015d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2016d79b6df6SOr Gerlitz 2017d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2018d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2019d79b6df6SOr Gerlitz 2020d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 2021d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 2022d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 2023d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 2024d79b6df6SOr Gerlitz 2025d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2026d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2027d79b6df6SOr Gerlitz 2028d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2029d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2030d79b6df6SOr Gerlitz return -ENOMEM; 2031d79b6df6SOr Gerlitz 2032d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = max_actions; 2033d79b6df6SOr Gerlitz return 0; 2034d79b6df6SOr Gerlitz } 2035d79b6df6SOr Gerlitz 2036d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2037d79b6df6SOr Gerlitz 2038d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2039d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 2040e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2041e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2042d79b6df6SOr Gerlitz { 2043d79b6df6SOr Gerlitz struct pedit_headers masks[__PEDIT_CMD_MAX], vals[__PEDIT_CMD_MAX], *cmd_masks; 2044d79b6df6SOr Gerlitz int nkeys, i, err = -EOPNOTSUPP; 2045d79b6df6SOr Gerlitz u32 mask, val, offset; 2046d79b6df6SOr Gerlitz u8 cmd, htype; 2047d79b6df6SOr Gerlitz 2048d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2049d79b6df6SOr Gerlitz 2050d79b6df6SOr Gerlitz memset(masks, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 2051d79b6df6SOr Gerlitz memset(vals, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 2052d79b6df6SOr Gerlitz 2053d79b6df6SOr Gerlitz for (i = 0; i < nkeys; i++) { 2054d79b6df6SOr Gerlitz htype = tcf_pedit_htype(a, i); 2055d79b6df6SOr Gerlitz cmd = tcf_pedit_cmd(a, i); 2056d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2057d79b6df6SOr Gerlitz 2058d79b6df6SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK) { 2059e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2060e98bedf5SEli Britstein "legacy pedit isn't offloaded"); 2061d79b6df6SOr Gerlitz goto out_err; 2062d79b6df6SOr Gerlitz } 2063d79b6df6SOr Gerlitz 2064d79b6df6SOr Gerlitz if (cmd != TCA_PEDIT_KEY_EX_CMD_SET && cmd != TCA_PEDIT_KEY_EX_CMD_ADD) { 2065e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "pedit cmd isn't offloaded"); 2066d79b6df6SOr Gerlitz goto out_err; 2067d79b6df6SOr Gerlitz } 2068d79b6df6SOr Gerlitz 2069d79b6df6SOr Gerlitz mask = tcf_pedit_mask(a, i); 2070d79b6df6SOr Gerlitz val = tcf_pedit_val(a, i); 2071d79b6df6SOr Gerlitz offset = tcf_pedit_offset(a, i); 2072d79b6df6SOr Gerlitz 2073d79b6df6SOr Gerlitz err = set_pedit_val(htype, ~mask, val, offset, &masks[cmd], &vals[cmd]); 2074d79b6df6SOr Gerlitz if (err) 2075d79b6df6SOr Gerlitz goto out_err; 2076d79b6df6SOr Gerlitz } 2077d79b6df6SOr Gerlitz 2078d79b6df6SOr Gerlitz err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); 2079d79b6df6SOr Gerlitz if (err) 2080d79b6df6SOr Gerlitz goto out_err; 2081d79b6df6SOr Gerlitz 2082e98bedf5SEli Britstein err = offload_pedit_fields(masks, vals, parse_attr, extack); 2083d79b6df6SOr Gerlitz if (err < 0) 2084d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2085d79b6df6SOr Gerlitz 2086d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2087d79b6df6SOr Gerlitz cmd_masks = &masks[cmd]; 2088d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2089e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2090e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2091b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2092d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2093d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2094d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2095d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2096d79b6df6SOr Gerlitz } 2097d79b6df6SOr Gerlitz } 2098d79b6df6SOr Gerlitz 2099d79b6df6SOr Gerlitz return 0; 2100d79b6df6SOr Gerlitz 2101d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2102d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2103d79b6df6SOr Gerlitz out_err: 2104d79b6df6SOr Gerlitz return err; 2105d79b6df6SOr Gerlitz } 2106d79b6df6SOr Gerlitz 2107e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2108e98bedf5SEli Britstein u32 action, 2109e98bedf5SEli Britstein u32 update_flags, 2110e98bedf5SEli Britstein struct netlink_ext_ack *extack) 211126c02749SOr Gerlitz { 211226c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 211326c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 211426c02749SOr Gerlitz 211526c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 211626c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2117e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2118e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 211926c02749SOr Gerlitz netdev_warn(priv->netdev, 212026c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 212126c02749SOr Gerlitz return false; 212226c02749SOr Gerlitz } 212326c02749SOr Gerlitz 212426c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2125e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2126e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 212726c02749SOr Gerlitz netdev_warn(priv->netdev, 212826c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 212926c02749SOr Gerlitz update_flags); 213026c02749SOr Gerlitz return false; 213126c02749SOr Gerlitz } 213226c02749SOr Gerlitz 213326c02749SOr Gerlitz return true; 213426c02749SOr Gerlitz } 213526c02749SOr Gerlitz 2136bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 2137e98bedf5SEli Britstein struct tcf_exts *exts, 2138e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2139bdd66ac0SOr Gerlitz { 2140bdd66ac0SOr Gerlitz const struct tc_action *a; 2141bdd66ac0SOr Gerlitz bool modify_ip_header; 2142bdd66ac0SOr Gerlitz LIST_HEAD(actions); 2143bdd66ac0SOr Gerlitz u8 htype, ip_proto; 2144bdd66ac0SOr Gerlitz void *headers_v; 2145bdd66ac0SOr Gerlitz u16 ethertype; 2146bdd66ac0SOr Gerlitz int nkeys, i; 2147bdd66ac0SOr Gerlitz 2148bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2149bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2150bdd66ac0SOr Gerlitz 2151bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2152bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2153bdd66ac0SOr Gerlitz goto out_ok; 2154bdd66ac0SOr Gerlitz 2155bdd66ac0SOr Gerlitz modify_ip_header = false; 2156244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 2157244cd96aSCong Wang int k; 2158244cd96aSCong Wang 2159bdd66ac0SOr Gerlitz if (!is_tcf_pedit(a)) 2160bdd66ac0SOr Gerlitz continue; 2161bdd66ac0SOr Gerlitz 2162bdd66ac0SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2163244cd96aSCong Wang for (k = 0; k < nkeys; k++) { 2164244cd96aSCong Wang htype = tcf_pedit_htype(a, k); 2165bdd66ac0SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP4 || 2166bdd66ac0SOr Gerlitz htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP6) { 2167bdd66ac0SOr Gerlitz modify_ip_header = true; 2168bdd66ac0SOr Gerlitz break; 2169bdd66ac0SOr Gerlitz } 2170bdd66ac0SOr Gerlitz } 2171bdd66ac0SOr Gerlitz } 2172bdd66ac0SOr Gerlitz 2173bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 21741ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 21751ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2176e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2177e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2178bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2179bdd66ac0SOr Gerlitz return false; 2180bdd66ac0SOr Gerlitz } 2181bdd66ac0SOr Gerlitz 2182bdd66ac0SOr Gerlitz out_ok: 2183bdd66ac0SOr Gerlitz return true; 2184bdd66ac0SOr Gerlitz } 2185bdd66ac0SOr Gerlitz 2186bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 2187bdd66ac0SOr Gerlitz struct tcf_exts *exts, 2188bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2189e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2190e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2191bdd66ac0SOr Gerlitz { 2192bdd66ac0SOr Gerlitz u32 actions; 2193bdd66ac0SOr Gerlitz 2194bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2195bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2196bdd66ac0SOr Gerlitz else 2197bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2198bdd66ac0SOr Gerlitz 21997e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 22007e29392eSRoi Dayan !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) 22017e29392eSRoi Dayan return false; 22027e29392eSRoi Dayan 2203bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 2204e98bedf5SEli Britstein return modify_header_match_supported(&parse_attr->spec, exts, 2205e98bedf5SEli Britstein extack); 2206bdd66ac0SOr Gerlitz 2207bdd66ac0SOr Gerlitz return true; 2208bdd66ac0SOr Gerlitz } 2209bdd66ac0SOr Gerlitz 22105c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 22115c65c564SOr Gerlitz { 22125c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2213816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 22145c65c564SOr Gerlitz 22155c65c564SOr Gerlitz fmdev = priv->mdev; 22165c65c564SOr Gerlitz pmdev = peer_priv->mdev; 22175c65c564SOr Gerlitz 221859c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 221959c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 22205c65c564SOr Gerlitz 2221816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 22225c65c564SOr Gerlitz } 22235c65c564SOr Gerlitz 22245c40348cSOr Gerlitz static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2225aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2226e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2227e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2228e3a2b7edSAmir Vadai { 2229aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 2230e3a2b7edSAmir Vadai const struct tc_action *a; 223122dc13c8SWANG Cong LIST_HEAD(actions); 22321cab1cd7SOr Gerlitz u32 action = 0; 2233244cd96aSCong Wang int err, i; 2234e3a2b7edSAmir Vadai 22353bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 2236e3a2b7edSAmir Vadai return -EINVAL; 2237e3a2b7edSAmir Vadai 22383bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2239e3a2b7edSAmir Vadai 2240244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 2241e3a2b7edSAmir Vadai if (is_tcf_gact_shot(a)) { 22421cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2243aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2244aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 22451cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2246e3a2b7edSAmir Vadai continue; 2247e3a2b7edSAmir Vadai } 2248e3a2b7edSAmir Vadai 22492f4fe4caSOr Gerlitz if (is_tcf_pedit(a)) { 22502f4fe4caSOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_KERNEL, 2251e98bedf5SEli Britstein parse_attr, extack); 22522f4fe4caSOr Gerlitz if (err) 22532f4fe4caSOr Gerlitz return err; 22542f4fe4caSOr Gerlitz 22551cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 22562f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 22572f4fe4caSOr Gerlitz continue; 22582f4fe4caSOr Gerlitz } 22592f4fe4caSOr Gerlitz 226026c02749SOr Gerlitz if (is_tcf_csum(a)) { 22611cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 2262e98bedf5SEli Britstein tcf_csum_update_flags(a), 2263e98bedf5SEli Britstein extack)) 226426c02749SOr Gerlitz continue; 226526c02749SOr Gerlitz 226626c02749SOr Gerlitz return -EOPNOTSUPP; 226726c02749SOr Gerlitz } 226826c02749SOr Gerlitz 22695c65c564SOr Gerlitz if (is_tcf_mirred_egress_redirect(a)) { 22705c65c564SOr Gerlitz struct net_device *peer_dev = tcf_mirred_dev(a); 22715c65c564SOr Gerlitz 22725c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 22735c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 22745c65c564SOr Gerlitz parse_attr->mirred_ifindex = peer_dev->ifindex; 22755c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 22761cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 22775c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 22785c65c564SOr Gerlitz } else { 2279e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2280e98bedf5SEli Britstein "device is not on same HW, can't offload"); 22815c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 22825c65c564SOr Gerlitz peer_dev->name); 22835c65c564SOr Gerlitz return -EINVAL; 22845c65c564SOr Gerlitz } 22855c65c564SOr Gerlitz continue; 22865c65c564SOr Gerlitz } 22875c65c564SOr Gerlitz 2288e3a2b7edSAmir Vadai if (is_tcf_skbedit_mark(a)) { 2289e3a2b7edSAmir Vadai u32 mark = tcf_skbedit_mark(a); 2290e3a2b7edSAmir Vadai 2291e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2292e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2293e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2294e3a2b7edSAmir Vadai return -EINVAL; 2295e3a2b7edSAmir Vadai } 2296e3a2b7edSAmir Vadai 22973bc4b7bfSOr Gerlitz attr->flow_tag = mark; 22981cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2299e3a2b7edSAmir Vadai continue; 2300e3a2b7edSAmir Vadai } 2301e3a2b7edSAmir Vadai 2302e3a2b7edSAmir Vadai return -EINVAL; 2303e3a2b7edSAmir Vadai } 2304e3a2b7edSAmir Vadai 23051cab1cd7SOr Gerlitz attr->action = action; 2306e98bedf5SEli Britstein if (!actions_match_supported(priv, exts, parse_attr, flow, extack)) 2307bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2308bdd66ac0SOr Gerlitz 2309e3a2b7edSAmir Vadai return 0; 2310e3a2b7edSAmir Vadai } 2311e3a2b7edSAmir Vadai 231276f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 231376f7444dSOr Gerlitz struct ip_tunnel_key *b) 2314a54e20b4SHadar Hen Zion { 2315a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2316a54e20b4SHadar Hen Zion } 2317a54e20b4SHadar Hen Zion 231876f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2319a54e20b4SHadar Hen Zion { 232076f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2321a54e20b4SHadar Hen Zion } 2322a54e20b4SHadar Hen Zion 2323a54e20b4SHadar Hen Zion static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, 2324a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 2325a54e20b4SHadar Hen Zion struct net_device **out_dev, 2326a54e20b4SHadar Hen Zion struct flowi4 *fl4, 2327a54e20b4SHadar Hen Zion struct neighbour **out_n, 23286360cd62SOr Gerlitz u8 *out_ttl) 2329a54e20b4SHadar Hen Zion { 23303e621b19SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 23315ed99fb4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv; 2332a54e20b4SHadar Hen Zion struct rtable *rt; 2333a54e20b4SHadar Hen Zion struct neighbour *n = NULL; 2334a54e20b4SHadar Hen Zion 2335a54e20b4SHadar Hen Zion #if IS_ENABLED(CONFIG_INET) 2336abeffce9SArnd Bergmann int ret; 2337abeffce9SArnd Bergmann 2338a54e20b4SHadar Hen Zion rt = ip_route_output_key(dev_net(mirred_dev), fl4); 2339abeffce9SArnd Bergmann ret = PTR_ERR_OR_ZERO(rt); 2340abeffce9SArnd Bergmann if (ret) 2341abeffce9SArnd Bergmann return ret; 2342a54e20b4SHadar Hen Zion #else 2343a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2344a54e20b4SHadar Hen Zion #endif 2345a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23463e621b19SHadar Hen Zion /* if the egress device isn't on the same HW e-switch, we use the uplink */ 23473e621b19SHadar Hen Zion if (!switchdev_port_same_parent_id(priv->netdev, rt->dst.dev)) 23485ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 23493e621b19SHadar Hen Zion else 23503e621b19SHadar Hen Zion *out_dev = rt->dst.dev; 2351a54e20b4SHadar Hen Zion 23526360cd62SOr Gerlitz if (!(*out_ttl)) 235375c33da8SOr Gerlitz *out_ttl = ip4_dst_hoplimit(&rt->dst); 2354a54e20b4SHadar Hen Zion n = dst_neigh_lookup(&rt->dst, &fl4->daddr); 2355a54e20b4SHadar Hen Zion ip_rt_put(rt); 2356a54e20b4SHadar Hen Zion if (!n) 2357a54e20b4SHadar Hen Zion return -ENOMEM; 2358a54e20b4SHadar Hen Zion 2359a54e20b4SHadar Hen Zion *out_n = n; 2360a54e20b4SHadar Hen Zion return 0; 2361a54e20b4SHadar Hen Zion } 2362a54e20b4SHadar Hen Zion 2363b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2364b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2365b1d90e6bSRabie Loulou { 2366b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2367b1d90e6bSRabie Loulou 2368b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2369b1d90e6bSRabie Loulou 2370b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 2371b1d90e6bSRabie Loulou (priv->netdev->netdev_ops == peer_netdev->netdev_ops) && 2372b1d90e6bSRabie Loulou same_hw_devs(priv, peer_priv) && 2373b1d90e6bSRabie Loulou MLX5_VPORT_MANAGER(peer_priv->mdev) && 2374b1d90e6bSRabie Loulou (peer_priv->mdev->priv.eswitch->mode == SRIOV_OFFLOADS)); 2375b1d90e6bSRabie Loulou } 2376b1d90e6bSRabie Loulou 2377ce99f6b9SOr Gerlitz static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, 2378ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 2379ce99f6b9SOr Gerlitz struct net_device **out_dev, 2380ce99f6b9SOr Gerlitz struct flowi6 *fl6, 2381ce99f6b9SOr Gerlitz struct neighbour **out_n, 23826360cd62SOr Gerlitz u8 *out_ttl) 2383ce99f6b9SOr Gerlitz { 2384ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2385ce99f6b9SOr Gerlitz struct dst_entry *dst; 2386ce99f6b9SOr Gerlitz 2387ce99f6b9SOr Gerlitz #if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6) 238874bd5d56SArnd Bergmann struct mlx5e_rep_priv *uplink_rpriv; 2389ce99f6b9SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2390ce99f6b9SOr Gerlitz int ret; 2391ce99f6b9SOr Gerlitz 239208820528SPaul Blakey ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst, 239308820528SPaul Blakey fl6); 239408820528SPaul Blakey if (ret < 0) 2395ce99f6b9SOr Gerlitz return ret; 2396ce99f6b9SOr Gerlitz 23976360cd62SOr Gerlitz if (!(*out_ttl)) 2398ce99f6b9SOr Gerlitz *out_ttl = ip6_dst_hoplimit(dst); 2399ce99f6b9SOr Gerlitz 2400a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2401ce99f6b9SOr Gerlitz /* if the egress device isn't on the same HW e-switch, we use the uplink */ 2402ce99f6b9SOr Gerlitz if (!switchdev_port_same_parent_id(priv->netdev, dst->dev)) 24035ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 2404ce99f6b9SOr Gerlitz else 2405ce99f6b9SOr Gerlitz *out_dev = dst->dev; 2406ce99f6b9SOr Gerlitz #else 2407ce99f6b9SOr Gerlitz return -EOPNOTSUPP; 2408ce99f6b9SOr Gerlitz #endif 2409ce99f6b9SOr Gerlitz 2410ce99f6b9SOr Gerlitz n = dst_neigh_lookup(dst, &fl6->daddr); 2411ce99f6b9SOr Gerlitz dst_release(dst); 2412ce99f6b9SOr Gerlitz if (!n) 2413ce99f6b9SOr Gerlitz return -ENOMEM; 2414ce99f6b9SOr Gerlitz 2415ce99f6b9SOr Gerlitz *out_n = n; 2416ce99f6b9SOr Gerlitz return 0; 2417ce99f6b9SOr Gerlitz } 2418ce99f6b9SOr Gerlitz 241932f3671fSOr Gerlitz static void gen_vxlan_header_ipv4(struct net_device *out_dev, 242032f3671fSOr Gerlitz char buf[], int encap_size, 2421a54e20b4SHadar Hen Zion unsigned char h_dest[ETH_ALEN], 2422f35f800dSOr Gerlitz u8 tos, u8 ttl, 2423a54e20b4SHadar Hen Zion __be32 daddr, 2424a54e20b4SHadar Hen Zion __be32 saddr, 2425a54e20b4SHadar Hen Zion __be16 udp_dst_port, 2426a54e20b4SHadar Hen Zion __be32 vx_vni) 2427a54e20b4SHadar Hen Zion { 2428a54e20b4SHadar Hen Zion struct ethhdr *eth = (struct ethhdr *)buf; 2429a54e20b4SHadar Hen Zion struct iphdr *ip = (struct iphdr *)((char *)eth + sizeof(struct ethhdr)); 2430a54e20b4SHadar Hen Zion struct udphdr *udp = (struct udphdr *)((char *)ip + sizeof(struct iphdr)); 2431a54e20b4SHadar Hen Zion struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2432a54e20b4SHadar Hen Zion 2433a54e20b4SHadar Hen Zion memset(buf, 0, encap_size); 2434a54e20b4SHadar Hen Zion 2435a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_dest, h_dest); 2436a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_source, out_dev->dev_addr); 2437a54e20b4SHadar Hen Zion eth->h_proto = htons(ETH_P_IP); 2438a54e20b4SHadar Hen Zion 2439a54e20b4SHadar Hen Zion ip->daddr = daddr; 2440a54e20b4SHadar Hen Zion ip->saddr = saddr; 2441a54e20b4SHadar Hen Zion 2442f35f800dSOr Gerlitz ip->tos = tos; 2443a54e20b4SHadar Hen Zion ip->ttl = ttl; 2444a54e20b4SHadar Hen Zion ip->protocol = IPPROTO_UDP; 2445a54e20b4SHadar Hen Zion ip->version = 0x4; 2446a54e20b4SHadar Hen Zion ip->ihl = 0x5; 2447a54e20b4SHadar Hen Zion 2448a54e20b4SHadar Hen Zion udp->dest = udp_dst_port; 2449a54e20b4SHadar Hen Zion vxh->vx_flags = VXLAN_HF_VNI; 2450a54e20b4SHadar Hen Zion vxh->vx_vni = vxlan_vni_field(vx_vni); 2451a54e20b4SHadar Hen Zion } 2452a54e20b4SHadar Hen Zion 2453225aabafSOr Gerlitz static void gen_vxlan_header_ipv6(struct net_device *out_dev, 2454225aabafSOr Gerlitz char buf[], int encap_size, 2455ce99f6b9SOr Gerlitz unsigned char h_dest[ETH_ALEN], 2456f35f800dSOr Gerlitz u8 tos, u8 ttl, 2457ce99f6b9SOr Gerlitz struct in6_addr *daddr, 2458ce99f6b9SOr Gerlitz struct in6_addr *saddr, 2459ce99f6b9SOr Gerlitz __be16 udp_dst_port, 2460ce99f6b9SOr Gerlitz __be32 vx_vni) 2461ce99f6b9SOr Gerlitz { 2462ce99f6b9SOr Gerlitz struct ethhdr *eth = (struct ethhdr *)buf; 2463ce99f6b9SOr Gerlitz struct ipv6hdr *ip6h = (struct ipv6hdr *)((char *)eth + sizeof(struct ethhdr)); 2464ce99f6b9SOr Gerlitz struct udphdr *udp = (struct udphdr *)((char *)ip6h + sizeof(struct ipv6hdr)); 2465ce99f6b9SOr Gerlitz struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2466ce99f6b9SOr Gerlitz 2467ce99f6b9SOr Gerlitz memset(buf, 0, encap_size); 2468ce99f6b9SOr Gerlitz 2469ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_dest, h_dest); 2470ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_source, out_dev->dev_addr); 2471ce99f6b9SOr Gerlitz eth->h_proto = htons(ETH_P_IPV6); 2472ce99f6b9SOr Gerlitz 2473f35f800dSOr Gerlitz ip6_flow_hdr(ip6h, tos, 0); 2474ce99f6b9SOr Gerlitz /* the HW fills up ipv6 payload len */ 2475ce99f6b9SOr Gerlitz ip6h->nexthdr = IPPROTO_UDP; 2476ce99f6b9SOr Gerlitz ip6h->hop_limit = ttl; 2477ce99f6b9SOr Gerlitz ip6h->daddr = *daddr; 2478ce99f6b9SOr Gerlitz ip6h->saddr = *saddr; 2479ce99f6b9SOr Gerlitz 2480ce99f6b9SOr Gerlitz udp->dest = udp_dst_port; 2481ce99f6b9SOr Gerlitz vxh->vx_flags = VXLAN_HF_VNI; 2482ce99f6b9SOr Gerlitz vxh->vx_vni = vxlan_vni_field(vx_vni); 2483ce99f6b9SOr Gerlitz } 2484ce99f6b9SOr Gerlitz 2485a54e20b4SHadar Hen Zion static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, 2486a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 24871a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2488a54e20b4SHadar Hen Zion { 2489a54e20b4SHadar Hen Zion int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 249032f3671fSOr Gerlitz int ipv4_encap_size = ETH_HLEN + sizeof(struct iphdr) + VXLAN_HLEN; 249176f7444dSOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 24921a8552bdSHadar Hen Zion struct net_device *out_dev; 2493a42485ebSOr Gerlitz struct neighbour *n = NULL; 2494a54e20b4SHadar Hen Zion struct flowi4 fl4 = {}; 2495f35f800dSOr Gerlitz u8 nud_state, tos, ttl; 2496a54e20b4SHadar Hen Zion char *encap_header; 24976360cd62SOr Gerlitz int err; 2498a54e20b4SHadar Hen Zion 249932f3671fSOr Gerlitz if (max_encap_size < ipv4_encap_size) { 250032f3671fSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 250132f3671fSOr Gerlitz ipv4_encap_size, max_encap_size); 250232f3671fSOr Gerlitz return -EOPNOTSUPP; 250332f3671fSOr Gerlitz } 250432f3671fSOr Gerlitz 250532f3671fSOr Gerlitz encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL); 2506a54e20b4SHadar Hen Zion if (!encap_header) 2507a54e20b4SHadar Hen Zion return -ENOMEM; 2508a54e20b4SHadar Hen Zion 2509a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 251060786f09SMark Bloch case MLX5_REFORMAT_TYPE_L2_TO_VXLAN: 2511a54e20b4SHadar Hen Zion fl4.flowi4_proto = IPPROTO_UDP; 251276f7444dSOr Gerlitz fl4.fl4_dport = tun_key->tp_dst; 2513a54e20b4SHadar Hen Zion break; 2514a54e20b4SHadar Hen Zion default: 2515a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2516ace74321SPaul Blakey goto free_encap; 2517a54e20b4SHadar Hen Zion } 25186360cd62SOr Gerlitz 2519f35f800dSOr Gerlitz tos = tun_key->tos; 2520f35f800dSOr Gerlitz ttl = tun_key->ttl; 25216360cd62SOr Gerlitz 25229a941117SOr Gerlitz fl4.flowi4_tos = tun_key->tos; 252376f7444dSOr Gerlitz fl4.daddr = tun_key->u.ipv4.dst; 25249a941117SOr Gerlitz fl4.saddr = tun_key->u.ipv4.src; 2525a54e20b4SHadar Hen Zion 25261a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv4(priv, mirred_dev, &out_dev, 25279a941117SOr Gerlitz &fl4, &n, &ttl); 2528a54e20b4SHadar Hen Zion if (err) 2529ace74321SPaul Blakey goto free_encap; 2530a54e20b4SHadar Hen Zion 2531232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2532232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2533232c0013SHadar Hen Zion */ 2534232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2535f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2536232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2537232c0013SHadar Hen Zion e->out_dev = out_dev; 2538232c0013SHadar Hen Zion 2539232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2540232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2541232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2542232c0013SHadar Hen Zion * in the hash. 2543232c0013SHadar Hen Zion */ 2544232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2545232c0013SHadar Hen Zion if (err) 2546ace74321SPaul Blakey goto free_encap; 2547232c0013SHadar Hen Zion 2548033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2549033354d5SHadar Hen Zion nud_state = n->nud_state; 2550033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2551033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2552033354d5SHadar Hen Zion 2553a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 255460786f09SMark Bloch case MLX5_REFORMAT_TYPE_L2_TO_VXLAN: 25551a8552bdSHadar Hen Zion gen_vxlan_header_ipv4(out_dev, encap_header, 2556f35f800dSOr Gerlitz ipv4_encap_size, e->h_dest, tos, ttl, 25579a941117SOr Gerlitz fl4.daddr, 25589a941117SOr Gerlitz fl4.saddr, tun_key->tp_dst, 255976f7444dSOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2560a54e20b4SHadar Hen Zion break; 2561a54e20b4SHadar Hen Zion default: 2562a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2563232c0013SHadar Hen Zion goto destroy_neigh_entry; 2564232c0013SHadar Hen Zion } 2565232c0013SHadar Hen Zion e->encap_size = ipv4_encap_size; 2566232c0013SHadar Hen Zion e->encap_header = encap_header; 2567232c0013SHadar Hen Zion 2568232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2569232c0013SHadar Hen Zion neigh_event_send(n, NULL); 257027902f08SWei Yongjun err = -EAGAIN; 257127902f08SWei Yongjun goto out; 2572a54e20b4SHadar Hen Zion } 2573a54e20b4SHadar Hen Zion 257460786f09SMark Bloch err = mlx5_packet_reformat_alloc(priv->mdev, e->tunnel_type, 257560786f09SMark Bloch ipv4_encap_size, encap_header, 257631ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 257760786f09SMark Bloch &e->encap_id); 2578232c0013SHadar Hen Zion if (err) 2579232c0013SHadar Hen Zion goto destroy_neigh_entry; 2580232c0013SHadar Hen Zion 2581232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2582f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2583a42485ebSOr Gerlitz neigh_release(n); 2584232c0013SHadar Hen Zion return err; 2585232c0013SHadar Hen Zion 2586232c0013SHadar Hen Zion destroy_neigh_entry: 2587232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2588ace74321SPaul Blakey free_encap: 2589a54e20b4SHadar Hen Zion kfree(encap_header); 2590ace74321SPaul Blakey out: 2591232c0013SHadar Hen Zion if (n) 2592232c0013SHadar Hen Zion neigh_release(n); 2593a54e20b4SHadar Hen Zion return err; 2594a54e20b4SHadar Hen Zion } 2595a54e20b4SHadar Hen Zion 2596ce99f6b9SOr Gerlitz static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv, 2597ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 25981a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2599ce99f6b9SOr Gerlitz { 2600ce99f6b9SOr Gerlitz int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 2601225aabafSOr Gerlitz int ipv6_encap_size = ETH_HLEN + sizeof(struct ipv6hdr) + VXLAN_HLEN; 2602ce99f6b9SOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 26031a8552bdSHadar Hen Zion struct net_device *out_dev; 2604ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2605ce99f6b9SOr Gerlitz struct flowi6 fl6 = {}; 2606f35f800dSOr Gerlitz u8 nud_state, tos, ttl; 2607ce99f6b9SOr Gerlitz char *encap_header; 26086360cd62SOr Gerlitz int err; 2609ce99f6b9SOr Gerlitz 2610225aabafSOr Gerlitz if (max_encap_size < ipv6_encap_size) { 2611225aabafSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 2612225aabafSOr Gerlitz ipv6_encap_size, max_encap_size); 2613225aabafSOr Gerlitz return -EOPNOTSUPP; 2614225aabafSOr Gerlitz } 2615225aabafSOr Gerlitz 2616225aabafSOr Gerlitz encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL); 2617ce99f6b9SOr Gerlitz if (!encap_header) 2618ce99f6b9SOr Gerlitz return -ENOMEM; 2619ce99f6b9SOr Gerlitz 2620ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 262160786f09SMark Bloch case MLX5_REFORMAT_TYPE_L2_TO_VXLAN: 2622ce99f6b9SOr Gerlitz fl6.flowi6_proto = IPPROTO_UDP; 2623ce99f6b9SOr Gerlitz fl6.fl6_dport = tun_key->tp_dst; 2624ce99f6b9SOr Gerlitz break; 2625ce99f6b9SOr Gerlitz default: 2626ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2627ace74321SPaul Blakey goto free_encap; 2628ce99f6b9SOr Gerlitz } 2629ce99f6b9SOr Gerlitz 2630f35f800dSOr Gerlitz tos = tun_key->tos; 2631f35f800dSOr Gerlitz ttl = tun_key->ttl; 26326360cd62SOr Gerlitz 2633ce99f6b9SOr Gerlitz fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label); 2634ce99f6b9SOr Gerlitz fl6.daddr = tun_key->u.ipv6.dst; 2635ce99f6b9SOr Gerlitz fl6.saddr = tun_key->u.ipv6.src; 2636ce99f6b9SOr Gerlitz 26371a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv6(priv, mirred_dev, &out_dev, 2638ce99f6b9SOr Gerlitz &fl6, &n, &ttl); 2639ce99f6b9SOr Gerlitz if (err) 2640ace74321SPaul Blakey goto free_encap; 2641ce99f6b9SOr Gerlitz 2642232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2643232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2644232c0013SHadar Hen Zion */ 2645232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2646f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2647232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2648232c0013SHadar Hen Zion e->out_dev = out_dev; 2649232c0013SHadar Hen Zion 2650232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2651232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2652232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2653232c0013SHadar Hen Zion * in the hash. 2654232c0013SHadar Hen Zion */ 2655232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2656232c0013SHadar Hen Zion if (err) 2657ace74321SPaul Blakey goto free_encap; 2658232c0013SHadar Hen Zion 2659033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2660033354d5SHadar Hen Zion nud_state = n->nud_state; 2661033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2662033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2663033354d5SHadar Hen Zion 2664ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 266560786f09SMark Bloch case MLX5_REFORMAT_TYPE_L2_TO_VXLAN: 26661a8552bdSHadar Hen Zion gen_vxlan_header_ipv6(out_dev, encap_header, 2667f35f800dSOr Gerlitz ipv6_encap_size, e->h_dest, tos, ttl, 2668ce99f6b9SOr Gerlitz &fl6.daddr, 2669ce99f6b9SOr Gerlitz &fl6.saddr, tun_key->tp_dst, 2670ce99f6b9SOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2671ce99f6b9SOr Gerlitz break; 2672ce99f6b9SOr Gerlitz default: 2673ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2674232c0013SHadar Hen Zion goto destroy_neigh_entry; 2675232c0013SHadar Hen Zion } 2676232c0013SHadar Hen Zion 2677232c0013SHadar Hen Zion e->encap_size = ipv6_encap_size; 2678232c0013SHadar Hen Zion e->encap_header = encap_header; 2679232c0013SHadar Hen Zion 2680232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2681232c0013SHadar Hen Zion neigh_event_send(n, NULL); 268227902f08SWei Yongjun err = -EAGAIN; 268327902f08SWei Yongjun goto out; 2684ce99f6b9SOr Gerlitz } 2685ce99f6b9SOr Gerlitz 268660786f09SMark Bloch err = mlx5_packet_reformat_alloc(priv->mdev, e->tunnel_type, 268760786f09SMark Bloch ipv6_encap_size, encap_header, 268831ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 268960786f09SMark Bloch &e->encap_id); 2690232c0013SHadar Hen Zion if (err) 2691232c0013SHadar Hen Zion goto destroy_neigh_entry; 2692232c0013SHadar Hen Zion 2693232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2694f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2695ce99f6b9SOr Gerlitz neigh_release(n); 2696232c0013SHadar Hen Zion return err; 2697232c0013SHadar Hen Zion 2698232c0013SHadar Hen Zion destroy_neigh_entry: 2699232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2700ace74321SPaul Blakey free_encap: 2701ce99f6b9SOr Gerlitz kfree(encap_header); 2702ace74321SPaul Blakey out: 2703232c0013SHadar Hen Zion if (n) 2704232c0013SHadar Hen Zion neigh_release(n); 2705ce99f6b9SOr Gerlitz return err; 2706ce99f6b9SOr Gerlitz } 2707ce99f6b9SOr Gerlitz 2708f5bc2c5dSOz Shlomo bool mlx5e_tc_tun_device_to_offload(struct mlx5e_priv *priv, 2709f5bc2c5dSOz Shlomo struct net_device *netdev) 2710f5bc2c5dSOz Shlomo { 2711f5bc2c5dSOz Shlomo if (netif_is_vxlan(netdev) && 2712f5bc2c5dSOz Shlomo MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) 2713f5bc2c5dSOz Shlomo return true; 2714f5bc2c5dSOz Shlomo 2715f5bc2c5dSOz Shlomo return false; 2716f5bc2c5dSOz Shlomo } 2717f5bc2c5dSOz Shlomo 2718a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2719a54e20b4SHadar Hen Zion struct ip_tunnel_info *tun_info, 2720a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 272145247bf2SOr Gerlitz struct net_device **encap_dev, 2722e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2723e98bedf5SEli Britstein struct netlink_ext_ack *extack) 272403a9d11eSOr Gerlitz { 2725a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2726a54e20b4SHadar Hen Zion unsigned short family = ip_tunnel_info_af(tun_info); 272745247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2728a54e20b4SHadar Hen Zion struct ip_tunnel_key *key = &tun_info->key; 2729c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 273045247bf2SOr Gerlitz int tunnel_type, err = 0; 2731a54e20b4SHadar Hen Zion uintptr_t hash_key; 2732a54e20b4SHadar Hen Zion bool found = false; 2733a54e20b4SHadar Hen Zion 27342fcd82e9SOr Gerlitz /* udp dst port must be set */ 2735a54e20b4SHadar Hen Zion if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst))) 27362fcd82e9SOr Gerlitz goto vxlan_encap_offload_err; 2737a54e20b4SHadar Hen Zion 2738cd377663SOr Gerlitz /* setting udp src port isn't supported */ 27392fcd82e9SOr Gerlitz if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) { 27402fcd82e9SOr Gerlitz vxlan_encap_offload_err: 2741e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2742e98bedf5SEli Britstein "must set udp dst port and not set udp src port"); 27432fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 27442fcd82e9SOr Gerlitz "must set udp dst port and not set udp src port\n"); 2745cd377663SOr Gerlitz return -EOPNOTSUPP; 27462fcd82e9SOr Gerlitz } 2747cd377663SOr Gerlitz 2748a3e67366SSaeed Mahameed if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, be16_to_cpu(key->tp_dst)) && 2749a54e20b4SHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { 275060786f09SMark Bloch tunnel_type = MLX5_REFORMAT_TYPE_L2_TO_VXLAN; 2751a54e20b4SHadar Hen Zion } else { 2752e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2753e98bedf5SEli Britstein "port isn't an offloaded vxlan udp dport"); 27542fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 27552fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->tp_dst)); 2756a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2757a54e20b4SHadar Hen Zion } 2758a54e20b4SHadar Hen Zion 275976f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2760a54e20b4SHadar Hen Zion 2761a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2762a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 276376f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2764a54e20b4SHadar Hen Zion found = true; 2765a54e20b4SHadar Hen Zion break; 2766a54e20b4SHadar Hen Zion } 2767a54e20b4SHadar Hen Zion } 2768a54e20b4SHadar Hen Zion 2769b2812089SVlad Buslov /* must verify if encap is valid or not */ 277045247bf2SOr Gerlitz if (found) 277145247bf2SOr Gerlitz goto attach_flow; 2772a54e20b4SHadar Hen Zion 2773a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2774a54e20b4SHadar Hen Zion if (!e) 2775a54e20b4SHadar Hen Zion return -ENOMEM; 2776a54e20b4SHadar Hen Zion 277776f7444dSOr Gerlitz e->tun_info = *tun_info; 2778a54e20b4SHadar Hen Zion e->tunnel_type = tunnel_type; 2779a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2780a54e20b4SHadar Hen Zion 2781ce99f6b9SOr Gerlitz if (family == AF_INET) 27821a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv4(priv, mirred_dev, e); 2783ce99f6b9SOr Gerlitz else if (family == AF_INET6) 27841a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv6(priv, mirred_dev, e); 2785ce99f6b9SOr Gerlitz 2786232c0013SHadar Hen Zion if (err && err != -EAGAIN) 2787a54e20b4SHadar Hen Zion goto out_err; 2788a54e20b4SHadar Hen Zion 2789a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2790a54e20b4SHadar Hen Zion 279145247bf2SOr Gerlitz attach_flow: 279245247bf2SOr Gerlitz list_add(&flow->encap, &e->flows); 279345247bf2SOr Gerlitz *encap_dev = e->out_dev; 2794232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 279545247bf2SOr Gerlitz attr->encap_id = e->encap_id; 2796b2812089SVlad Buslov else 2797b2812089SVlad Buslov err = -EAGAIN; 279845247bf2SOr Gerlitz 2799232c0013SHadar Hen Zion return err; 2800a54e20b4SHadar Hen Zion 2801a54e20b4SHadar Hen Zion out_err: 2802a54e20b4SHadar Hen Zion kfree(e); 2803a54e20b4SHadar Hen Zion return err; 2804a54e20b4SHadar Hen Zion } 2805a54e20b4SHadar Hen Zion 28061482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 28071482bd3dSJianbo Liu const struct tc_action *a, 28081482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 28091482bd3dSJianbo Liu u32 *action) 28101482bd3dSJianbo Liu { 2811cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2812cc495188SJianbo Liu 2813cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 28141482bd3dSJianbo Liu return -EOPNOTSUPP; 2815cc495188SJianbo Liu 2816cc495188SJianbo Liu if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { 2817cc495188SJianbo Liu if (vlan_idx) { 2818cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2819cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2820cc495188SJianbo Liu return -EOPNOTSUPP; 2821cc495188SJianbo Liu 2822cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2823cc495188SJianbo Liu } else { 2824cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2825cc495188SJianbo Liu } 2826cc495188SJianbo Liu } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { 2827cc495188SJianbo Liu attr->vlan_vid[vlan_idx] = tcf_vlan_push_vid(a); 2828cc495188SJianbo Liu attr->vlan_prio[vlan_idx] = tcf_vlan_push_prio(a); 2829cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = tcf_vlan_push_proto(a); 2830cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2831cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2832cc495188SJianbo Liu 2833cc495188SJianbo Liu if (vlan_idx) { 2834cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2835cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2836cc495188SJianbo Liu return -EOPNOTSUPP; 2837cc495188SJianbo Liu 2838cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2839cc495188SJianbo Liu } else { 2840cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 2841cc495188SJianbo Liu (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || 2842cc495188SJianbo Liu tcf_vlan_push_prio(a))) 2843cc495188SJianbo Liu return -EOPNOTSUPP; 2844cc495188SJianbo Liu 2845cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 28461482bd3dSJianbo Liu } 28471482bd3dSJianbo Liu } else { /* action is TCA_VLAN_ACT_MODIFY */ 28481482bd3dSJianbo Liu return -EOPNOTSUPP; 28491482bd3dSJianbo Liu } 28501482bd3dSJianbo Liu 2851cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2852cc495188SJianbo Liu 28531482bd3dSJianbo Liu return 0; 28541482bd3dSJianbo Liu } 28551482bd3dSJianbo Liu 2856a54e20b4SHadar Hen Zion static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2857d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2858e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2859e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2860a54e20b4SHadar Hen Zion { 2861bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2862ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 28631d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 2864a54e20b4SHadar Hen Zion struct ip_tunnel_info *info = NULL; 286503a9d11eSOr Gerlitz const struct tc_action *a; 286622dc13c8SWANG Cong LIST_HEAD(actions); 2867a54e20b4SHadar Hen Zion bool encap = false; 28681cab1cd7SOr Gerlitz u32 action = 0; 2869244cd96aSCong Wang int err, i; 287003a9d11eSOr Gerlitz 28713bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 287203a9d11eSOr Gerlitz return -EINVAL; 287303a9d11eSOr Gerlitz 28741d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 287510ff5359SShahar Klein attr->in_mdev = priv->mdev; 287603a9d11eSOr Gerlitz 2877244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 287803a9d11eSOr Gerlitz if (is_tcf_gact_shot(a)) { 28791cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 288003a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 288103a9d11eSOr Gerlitz continue; 288203a9d11eSOr Gerlitz } 288303a9d11eSOr Gerlitz 2884d7e75a32SOr Gerlitz if (is_tcf_pedit(a)) { 2885d7e75a32SOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_FDB, 2886e98bedf5SEli Britstein parse_attr, extack); 2887d7e75a32SOr Gerlitz if (err) 2888d7e75a32SOr Gerlitz return err; 2889d7e75a32SOr Gerlitz 28901cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2891592d3651SChris Mi attr->mirror_count = attr->out_count; 2892d7e75a32SOr Gerlitz continue; 2893d7e75a32SOr Gerlitz } 2894d7e75a32SOr Gerlitz 289526c02749SOr Gerlitz if (is_tcf_csum(a)) { 28961cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 2897e98bedf5SEli Britstein tcf_csum_update_flags(a), 2898e98bedf5SEli Britstein extack)) 289926c02749SOr Gerlitz continue; 290026c02749SOr Gerlitz 290126c02749SOr Gerlitz return -EOPNOTSUPP; 290226c02749SOr Gerlitz } 290326c02749SOr Gerlitz 2904592d3651SChris Mi if (is_tcf_mirred_egress_redirect(a) || is_tcf_mirred_egress_mirror(a)) { 290503a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2906592d3651SChris Mi struct net_device *out_dev; 290703a9d11eSOr Gerlitz 29089f8a739eSCong Wang out_dev = tcf_mirred_dev(a); 2909ef381359SOz Shlomo if (!out_dev) { 2910ef381359SOz Shlomo /* out_dev is NULL when filters with 2911ef381359SOz Shlomo * non-existing mirred device are replayed to 2912ef381359SOz Shlomo * the driver. 2913ef381359SOz Shlomo */ 2914ef381359SOz Shlomo return -EINVAL; 2915ef381359SOz Shlomo } 291603a9d11eSOr Gerlitz 2917592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2918e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2919e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2920592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2921592d3651SChris Mi attr->out_count); 2922592d3651SChris Mi return -EOPNOTSUPP; 2923592d3651SChris Mi } 2924592d3651SChris Mi 2925a54e20b4SHadar Hen Zion if (switchdev_port_same_parent_id(priv->netdev, 2926b1d90e6bSRabie Loulou out_dev) || 2927b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 29281cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2929e37a79e5SMark Bloch MLX5_FLOW_CONTEXT_ACTION_COUNT; 293003a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 29311d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2932592d3651SChris Mi attr->out_rep[attr->out_count] = rpriv->rep; 2933592d3651SChris Mi attr->out_mdev[attr->out_count++] = out_priv->mdev; 2934a54e20b4SHadar Hen Zion } else if (encap) { 29359f8a739eSCong Wang parse_attr->mirred_ifindex = out_dev->ifindex; 29363c37745eSOr Gerlitz parse_attr->tun_info = *info; 29373c37745eSOr Gerlitz attr->parse_attr = parse_attr; 293860786f09SMark Bloch action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 2939a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2940a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_COUNT; 29413c37745eSOr Gerlitz /* attr->out_rep is resolved when we handle encap */ 2942ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 2943ef381359SOz Shlomo /* All mlx5 devices are called to configure 2944ef381359SOz Shlomo * high level device filters. Therefore, the 2945ef381359SOz Shlomo * *attempt* to install a filter on invalid 2946ef381359SOz Shlomo * eswitch should not trigger an explicit error 2947ef381359SOz Shlomo */ 2948ef381359SOz Shlomo return -EINVAL; 2949a54e20b4SHadar Hen Zion } else { 2950e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2951e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2952a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2953a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2954a54e20b4SHadar Hen Zion return -EINVAL; 2955a54e20b4SHadar Hen Zion } 2956a54e20b4SHadar Hen Zion continue; 2957a54e20b4SHadar Hen Zion } 2958a54e20b4SHadar Hen Zion 2959a54e20b4SHadar Hen Zion if (is_tcf_tunnel_set(a)) { 2960a54e20b4SHadar Hen Zion info = tcf_tunnel_info(a); 2961a54e20b4SHadar Hen Zion if (info) 2962a54e20b4SHadar Hen Zion encap = true; 2963a54e20b4SHadar Hen Zion else 2964a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2965592d3651SChris Mi attr->mirror_count = attr->out_count; 296603a9d11eSOr Gerlitz continue; 296703a9d11eSOr Gerlitz } 296803a9d11eSOr Gerlitz 29698b32580dSOr Gerlitz if (is_tcf_vlan(a)) { 29701482bd3dSJianbo Liu err = parse_tc_vlan_action(priv, a, attr, &action); 29711482bd3dSJianbo Liu 29721482bd3dSJianbo Liu if (err) 29731482bd3dSJianbo Liu return err; 29741482bd3dSJianbo Liu 2975592d3651SChris Mi attr->mirror_count = attr->out_count; 29768b32580dSOr Gerlitz continue; 29778b32580dSOr Gerlitz } 29788b32580dSOr Gerlitz 2979bbd00f7eSHadar Hen Zion if (is_tcf_tunnel_release(a)) { 29801cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2981bbd00f7eSHadar Hen Zion continue; 2982bbd00f7eSHadar Hen Zion } 2983bbd00f7eSHadar Hen Zion 2984bf07aa73SPaul Blakey if (is_tcf_gact_goto_chain(a)) { 2985bf07aa73SPaul Blakey u32 dest_chain = tcf_gact_goto_chain_index(a); 2986bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2987bf07aa73SPaul Blakey 2988bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2989bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2990bf07aa73SPaul Blakey return -EOPNOTSUPP; 2991bf07aa73SPaul Blakey } 2992bf07aa73SPaul Blakey if (dest_chain > max_chain) { 2993bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 2994bf07aa73SPaul Blakey return -EOPNOTSUPP; 2995bf07aa73SPaul Blakey } 2996bf07aa73SPaul Blakey action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2997bf07aa73SPaul Blakey MLX5_FLOW_CONTEXT_ACTION_COUNT; 2998bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 2999bf07aa73SPaul Blakey 3000bf07aa73SPaul Blakey continue; 3001bf07aa73SPaul Blakey } 3002bf07aa73SPaul Blakey 300303a9d11eSOr Gerlitz return -EINVAL; 300403a9d11eSOr Gerlitz } 3005bdd66ac0SOr Gerlitz 30061cab1cd7SOr Gerlitz attr->action = action; 3007e98bedf5SEli Britstein if (!actions_match_supported(priv, exts, parse_attr, flow, extack)) 3008bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3009bdd66ac0SOr Gerlitz 30101392f44bSRoi Dayan if (attr->mirror_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3011e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3012e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3013592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3014592d3651SChris Mi return -EOPNOTSUPP; 3015592d3651SChris Mi } 3016592d3651SChris Mi 301731c8eba5SOr Gerlitz return 0; 301803a9d11eSOr Gerlitz } 301903a9d11eSOr Gerlitz 30205dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 302160bd4af8SOr Gerlitz { 30225dbe906fSPaul Blakey u16 __flow_flags = 0; 302360bd4af8SOr Gerlitz 302460bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 302560bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 302660bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 302760bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 302860bd4af8SOr Gerlitz 302960bd4af8SOr Gerlitz *flow_flags = __flow_flags; 303060bd4af8SOr Gerlitz } 303160bd4af8SOr Gerlitz 303205866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 303305866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 303405866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 303505866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 303605866c82SOr Gerlitz .automatic_shrinking = true, 303705866c82SOr Gerlitz }; 303805866c82SOr Gerlitz 303905866c82SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv) 304005866c82SOr Gerlitz { 3041655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3042655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3043655dc3d2SOr Gerlitz 3044655dc3d2SOr Gerlitz if (MLX5_VPORT_MANAGER(priv->mdev) && esw->mode == SRIOV_OFFLOADS) { 3045655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3046ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3047655dc3d2SOr Gerlitz } else 304805866c82SOr Gerlitz return &priv->fs.tc.ht; 304905866c82SOr Gerlitz } 305005866c82SOr Gerlitz 3051a88780a9SRoi Dayan static int 3052a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 30535dbe906fSPaul Blakey struct tc_cls_flower_offload *f, u16 flow_flags, 3054a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3055a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3056e3a2b7edSAmir Vadai { 305717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 30583bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 3059a88780a9SRoi Dayan int err; 3060776b12b6SOr Gerlitz 306165ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 30621b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 306317091853SOr Gerlitz if (!parse_attr || !flow) { 3064e3a2b7edSAmir Vadai err = -ENOMEM; 3065e3a2b7edSAmir Vadai goto err_free; 3066e3a2b7edSAmir Vadai } 3067e3a2b7edSAmir Vadai 3068e3a2b7edSAmir Vadai flow->cookie = f->cookie; 306965ba8fb7SOr Gerlitz flow->flags = flow_flags; 3070655dc3d2SOr Gerlitz flow->priv = priv; 3071e3a2b7edSAmir Vadai 3072a88780a9SRoi Dayan *__flow = flow; 3073a88780a9SRoi Dayan *__parse_attr = parse_attr; 3074a88780a9SRoi Dayan 3075a88780a9SRoi Dayan return 0; 3076a88780a9SRoi Dayan 3077a88780a9SRoi Dayan err_free: 3078a88780a9SRoi Dayan kfree(flow); 3079a88780a9SRoi Dayan kvfree(parse_attr); 3080a88780a9SRoi Dayan return err; 3081adb4c123SOr Gerlitz } 3082adb4c123SOr Gerlitz 3083a88780a9SRoi Dayan static int 3084a88780a9SRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3085a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 30865dbe906fSPaul Blakey u16 flow_flags, 3087d11afc26SOz Shlomo struct net_device *filter_dev, 3088a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3089a88780a9SRoi Dayan { 3090a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3091a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3092a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3093a88780a9SRoi Dayan int attr_size, err; 3094a88780a9SRoi Dayan 3095a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 3096a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3097a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3098a88780a9SRoi Dayan &parse_attr, &flow); 3099a88780a9SRoi Dayan if (err) 3100a88780a9SRoi Dayan goto out; 3101d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3102d11afc26SOz Shlomo flow->esw_attr->parse_attr = parse_attr; 3103d11afc26SOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, f); 3104d11afc26SOz Shlomo if (err) 3105d11afc26SOz Shlomo goto err_free; 3106a88780a9SRoi Dayan 3107bf07aa73SPaul Blakey flow->esw_attr->chain = f->common.chain_index; 3108bf07aa73SPaul Blakey flow->esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 3109a88780a9SRoi Dayan err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow, extack); 3110a88780a9SRoi Dayan if (err) 3111a88780a9SRoi Dayan goto err_free; 3112a88780a9SRoi Dayan 3113a88780a9SRoi Dayan err = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow, extack); 31145dbe906fSPaul Blakey if (err) 3115aa0cbbaeSOr Gerlitz goto err_free; 31165c40348cSOr Gerlitz 3117a88780a9SRoi Dayan if (!(flow->esw_attr->action & 311860786f09SMark Bloch MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT)) 3119232c0013SHadar Hen Zion kvfree(parse_attr); 3120e3a2b7edSAmir Vadai 3121a88780a9SRoi Dayan *__flow = flow; 3122af1607c3SJianbo Liu 3123a88780a9SRoi Dayan return 0; 3124e3a2b7edSAmir Vadai 3125e3a2b7edSAmir Vadai err_free: 3126232c0013SHadar Hen Zion kfree(flow); 3127a88780a9SRoi Dayan kvfree(parse_attr); 3128a88780a9SRoi Dayan out: 3129a88780a9SRoi Dayan return err; 3130a88780a9SRoi Dayan } 3131a88780a9SRoi Dayan 3132a88780a9SRoi Dayan static int 3133a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3134a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 31355dbe906fSPaul Blakey u16 flow_flags, 3136d11afc26SOz Shlomo struct net_device *filter_dev, 3137a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3138a88780a9SRoi Dayan { 3139a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3140a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3141a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3142a88780a9SRoi Dayan int attr_size, err; 3143a88780a9SRoi Dayan 3144bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3145bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3146bf07aa73SPaul Blakey return -EOPNOTSUPP; 3147bf07aa73SPaul Blakey 3148a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 3149a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3150a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3151a88780a9SRoi Dayan &parse_attr, &flow); 3152a88780a9SRoi Dayan if (err) 3153a88780a9SRoi Dayan goto out; 3154a88780a9SRoi Dayan 3155d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3156d11afc26SOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, f); 3157d11afc26SOz Shlomo if (err) 3158d11afc26SOz Shlomo goto err_free; 3159d11afc26SOz Shlomo 3160a88780a9SRoi Dayan err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow, extack); 3161a88780a9SRoi Dayan if (err) 3162a88780a9SRoi Dayan goto err_free; 3163a88780a9SRoi Dayan 3164a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3165a88780a9SRoi Dayan if (err) 3166a88780a9SRoi Dayan goto err_free; 3167a88780a9SRoi Dayan 3168a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 3169a88780a9SRoi Dayan kvfree(parse_attr); 3170a88780a9SRoi Dayan *__flow = flow; 3171a88780a9SRoi Dayan 3172a88780a9SRoi Dayan return 0; 3173a88780a9SRoi Dayan 3174a88780a9SRoi Dayan err_free: 3175a88780a9SRoi Dayan kfree(flow); 3176a88780a9SRoi Dayan kvfree(parse_attr); 3177a88780a9SRoi Dayan out: 3178a88780a9SRoi Dayan return err; 3179a88780a9SRoi Dayan } 3180a88780a9SRoi Dayan 3181a88780a9SRoi Dayan static int 3182a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3183a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 3184a88780a9SRoi Dayan int flags, 3185d11afc26SOz Shlomo struct net_device *filter_dev, 3186a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3187a88780a9SRoi Dayan { 3188a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 31895dbe906fSPaul Blakey u16 flow_flags; 3190a88780a9SRoi Dayan int err; 3191a88780a9SRoi Dayan 3192a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3193a88780a9SRoi Dayan 3194bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3195bf07aa73SPaul Blakey return -EOPNOTSUPP; 3196bf07aa73SPaul Blakey 3197a88780a9SRoi Dayan if (esw && esw->mode == SRIOV_OFFLOADS) 3198d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3199d11afc26SOz Shlomo filter_dev, flow); 3200a88780a9SRoi Dayan else 3201d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3202d11afc26SOz Shlomo filter_dev, flow); 3203a88780a9SRoi Dayan 3204a88780a9SRoi Dayan return err; 3205a88780a9SRoi Dayan } 3206a88780a9SRoi Dayan 320771d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3208a88780a9SRoi Dayan struct tc_cls_flower_offload *f, int flags) 3209a88780a9SRoi Dayan { 3210a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3211a88780a9SRoi Dayan struct rhashtable *tc_ht = get_tc_ht(priv); 3212a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3213a88780a9SRoi Dayan int err = 0; 3214a88780a9SRoi Dayan 3215a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3216a88780a9SRoi Dayan if (flow) { 3217a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3218a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3219a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3220a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3221a88780a9SRoi Dayan f->cookie); 3222a88780a9SRoi Dayan goto out; 3223a88780a9SRoi Dayan } 3224a88780a9SRoi Dayan 3225d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3226a88780a9SRoi Dayan if (err) 3227a88780a9SRoi Dayan goto out; 3228a88780a9SRoi Dayan 3229a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 3230a88780a9SRoi Dayan if (err) 3231a88780a9SRoi Dayan goto err_free; 3232a88780a9SRoi Dayan 3233a88780a9SRoi Dayan return 0; 3234a88780a9SRoi Dayan 3235a88780a9SRoi Dayan err_free: 3236a88780a9SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3237a88780a9SRoi Dayan kfree(flow); 3238a88780a9SRoi Dayan out: 3239e3a2b7edSAmir Vadai return err; 3240e3a2b7edSAmir Vadai } 3241e3a2b7edSAmir Vadai 32428f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 32438f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 32448f8ae895SOr Gerlitz 32458f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 32468f8ae895SOr Gerlitz { 32478f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 32488f8ae895SOr Gerlitz return true; 32498f8ae895SOr Gerlitz 32508f8ae895SOr Gerlitz return false; 32518f8ae895SOr Gerlitz } 32528f8ae895SOr Gerlitz 325371d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 325460bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3255e3a2b7edSAmir Vadai { 325605866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 3257e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3258e3a2b7edSAmir Vadai 325905866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 32608f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3261e3a2b7edSAmir Vadai return -EINVAL; 3262e3a2b7edSAmir Vadai 326305866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3264e3a2b7edSAmir Vadai 3265961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3266e3a2b7edSAmir Vadai 3267e3a2b7edSAmir Vadai kfree(flow); 3268e3a2b7edSAmir Vadai 3269e3a2b7edSAmir Vadai return 0; 3270e3a2b7edSAmir Vadai } 3271e3a2b7edSAmir Vadai 327271d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 327360bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3274aad7e08dSAmir Vadai { 327505866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 3276aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3277aad7e08dSAmir Vadai struct mlx5_fc *counter; 3278aad7e08dSAmir Vadai u64 bytes; 3279aad7e08dSAmir Vadai u64 packets; 3280aad7e08dSAmir Vadai u64 lastuse; 3281aad7e08dSAmir Vadai 328205866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 32838f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3284aad7e08dSAmir Vadai return -EINVAL; 3285aad7e08dSAmir Vadai 32860b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 32870b67a38fSHadar Hen Zion return 0; 32880b67a38fSHadar Hen Zion 3289b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3290aad7e08dSAmir Vadai if (!counter) 3291aad7e08dSAmir Vadai return 0; 3292aad7e08dSAmir Vadai 3293aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3294aad7e08dSAmir Vadai 3295d897a638SJakub Kicinski tcf_exts_stats_update(f->exts, bytes, packets, lastuse); 3296fed06ee8SOr Gerlitz 3297aad7e08dSAmir Vadai return 0; 3298aad7e08dSAmir Vadai } 3299aad7e08dSAmir Vadai 33004d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 33014d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 33024d8fcf21SAlaa Hleihel { 33034d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 33044d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 33054d8fcf21SAlaa Hleihel u16 peer_vhca_id; 33064d8fcf21SAlaa Hleihel int bkt; 33074d8fcf21SAlaa Hleihel 33084d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 33094d8fcf21SAlaa Hleihel return; 33104d8fcf21SAlaa Hleihel 33114d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 33124d8fcf21SAlaa Hleihel 33134d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 33144d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 33154d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 33164d8fcf21SAlaa Hleihel } 33174d8fcf21SAlaa Hleihel } 33184d8fcf21SAlaa Hleihel 33194d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 33204d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 33214d8fcf21SAlaa Hleihel { 33224d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 33234d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 33244d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 33254d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 33264d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 33274d8fcf21SAlaa Hleihel 33284d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 33294d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 33304d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 33314d8fcf21SAlaa Hleihel return NOTIFY_DONE; 33324d8fcf21SAlaa Hleihel 33334d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 33344d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 33354d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 33364d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 33374d8fcf21SAlaa Hleihel if (priv == peer_priv || 33384d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 33394d8fcf21SAlaa Hleihel return NOTIFY_DONE; 33404d8fcf21SAlaa Hleihel 33414d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 33424d8fcf21SAlaa Hleihel 33434d8fcf21SAlaa Hleihel return NOTIFY_DONE; 33444d8fcf21SAlaa Hleihel } 33454d8fcf21SAlaa Hleihel 3346655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3347e8f887acSAmir Vadai { 3348acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 33494d8fcf21SAlaa Hleihel int err; 3350e8f887acSAmir Vadai 335111c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 33525c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 335311c9c548SOr Gerlitz 33544d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 33554d8fcf21SAlaa Hleihel if (err) 33564d8fcf21SAlaa Hleihel return err; 33574d8fcf21SAlaa Hleihel 33584d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 33594d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 33604d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 33614d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 33624d8fcf21SAlaa Hleihel } 33634d8fcf21SAlaa Hleihel 33644d8fcf21SAlaa Hleihel return err; 3365e8f887acSAmir Vadai } 3366e8f887acSAmir Vadai 3367e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3368e8f887acSAmir Vadai { 3369e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3370655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3371e8f887acSAmir Vadai 3372961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3373e8f887acSAmir Vadai kfree(flow); 3374e8f887acSAmir Vadai } 3375e8f887acSAmir Vadai 3376655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3377e8f887acSAmir Vadai { 3378acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3379e8f887acSAmir Vadai 33804d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 33814d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 33824d8fcf21SAlaa Hleihel 3383655dc3d2SOr Gerlitz rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 3384e8f887acSAmir Vadai 3385acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3386acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3387acff797cSMaor Gottlieb tc->t = NULL; 3388e8f887acSAmir Vadai } 3389e8f887acSAmir Vadai } 3390655dc3d2SOr Gerlitz 3391655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3392655dc3d2SOr Gerlitz { 3393655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3394655dc3d2SOr Gerlitz } 3395655dc3d2SOr Gerlitz 3396655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3397655dc3d2SOr Gerlitz { 3398655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3399655dc3d2SOr Gerlitz } 340001252a27SOr Gerlitz 340101252a27SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv) 340201252a27SOr Gerlitz { 340301252a27SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 340401252a27SOr Gerlitz 340501252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 340601252a27SOr Gerlitz } 3407