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; 9917091853SOr Gerlitz struct mlx5_flow_spec spec; 100d79b6df6SOr Gerlitz int num_mod_hdr_actions; 101d79b6df6SOr Gerlitz void *mod_hdr_actions; 1023c37745eSOr Gerlitz int mirred_ifindex; 10317091853SOr Gerlitz }; 10417091853SOr Gerlitz 105acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 106b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 107e8f887acSAmir Vadai 10877ab67b7SOr Gerlitz struct mlx5e_hairpin { 10977ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 11077ab67b7SOr Gerlitz 11177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1123f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 11377ab67b7SOr Gerlitz u32 tdn; 11477ab67b7SOr Gerlitz u32 tirn; 1153f6d08d1SOr Gerlitz 1163f6d08d1SOr Gerlitz int num_channels; 1173f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1183f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1193f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 12077ab67b7SOr Gerlitz }; 12177ab67b7SOr Gerlitz 1225c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1235c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1245c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1255c65c564SOr Gerlitz 1265c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1275c65c564SOr Gerlitz struct list_head flows; 1285c65c564SOr Gerlitz 129d8822868SOr Gerlitz u16 peer_vhca_id; 130106be53bSOr Gerlitz u8 prio; 1315c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1325c65c564SOr Gerlitz }; 1335c65c564SOr Gerlitz 13411c9c548SOr Gerlitz struct mod_hdr_key { 13511c9c548SOr Gerlitz int num_actions; 13611c9c548SOr Gerlitz void *actions; 13711c9c548SOr Gerlitz }; 13811c9c548SOr Gerlitz 13911c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 14011c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 14111c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 14211c9c548SOr Gerlitz 14311c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 14411c9c548SOr Gerlitz struct list_head flows; 14511c9c548SOr Gerlitz 14611c9c548SOr Gerlitz struct mod_hdr_key key; 14711c9c548SOr Gerlitz 14811c9c548SOr Gerlitz u32 mod_hdr_id; 14911c9c548SOr Gerlitz }; 15011c9c548SOr Gerlitz 15111c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 15211c9c548SOr Gerlitz 15311c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 15411c9c548SOr Gerlitz { 15511c9c548SOr Gerlitz return jhash(key->actions, 15611c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 15711c9c548SOr Gerlitz } 15811c9c548SOr Gerlitz 15911c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 16011c9c548SOr Gerlitz struct mod_hdr_key *b) 16111c9c548SOr Gerlitz { 16211c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 16311c9c548SOr Gerlitz return 1; 16411c9c548SOr Gerlitz 16511c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 16611c9c548SOr Gerlitz } 16711c9c548SOr Gerlitz 16811c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 16911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 17011c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 17111c9c548SOr Gerlitz { 17211c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 17311c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 17411c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 17511c9c548SOr Gerlitz struct mod_hdr_key key; 17611c9c548SOr Gerlitz bool found = false; 17711c9c548SOr Gerlitz u32 hash_key; 17811c9c548SOr Gerlitz 17911c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 18011c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 18111c9c548SOr Gerlitz 18211c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 18311c9c548SOr Gerlitz key.num_actions = num_actions; 18411c9c548SOr Gerlitz 18511c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 18611c9c548SOr Gerlitz 18711c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 18811c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 18911c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 19011c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 19111c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 19211c9c548SOr Gerlitz found = true; 19311c9c548SOr Gerlitz break; 19411c9c548SOr Gerlitz } 19511c9c548SOr Gerlitz } 19611c9c548SOr Gerlitz } else { 19711c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 19811c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 19911c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 20011c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 20111c9c548SOr Gerlitz found = true; 20211c9c548SOr Gerlitz break; 20311c9c548SOr Gerlitz } 20411c9c548SOr Gerlitz } 20511c9c548SOr Gerlitz } 20611c9c548SOr Gerlitz 20711c9c548SOr Gerlitz if (found) 20811c9c548SOr Gerlitz goto attach_flow; 20911c9c548SOr Gerlitz 21011c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 21111c9c548SOr Gerlitz if (!mh) 21211c9c548SOr Gerlitz return -ENOMEM; 21311c9c548SOr Gerlitz 21411c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 21511c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 21611c9c548SOr Gerlitz mh->key.num_actions = num_actions; 21711c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 21811c9c548SOr Gerlitz 21911c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 22011c9c548SOr Gerlitz mh->key.num_actions, 22111c9c548SOr Gerlitz mh->key.actions, 22211c9c548SOr Gerlitz &mh->mod_hdr_id); 22311c9c548SOr Gerlitz if (err) 22411c9c548SOr Gerlitz goto out_err; 22511c9c548SOr Gerlitz 22611c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 22711c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 22811c9c548SOr Gerlitz else 22911c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 23011c9c548SOr Gerlitz 23111c9c548SOr Gerlitz attach_flow: 23211c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 23311c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 23411c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 23511c9c548SOr Gerlitz else 23611c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 23711c9c548SOr Gerlitz 23811c9c548SOr Gerlitz return 0; 23911c9c548SOr Gerlitz 24011c9c548SOr Gerlitz out_err: 24111c9c548SOr Gerlitz kfree(mh); 24211c9c548SOr Gerlitz return err; 24311c9c548SOr Gerlitz } 24411c9c548SOr Gerlitz 24511c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 24611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 24711c9c548SOr Gerlitz { 24811c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 24911c9c548SOr Gerlitz 25011c9c548SOr Gerlitz list_del(&flow->mod_hdr); 25111c9c548SOr Gerlitz 25211c9c548SOr Gerlitz if (list_empty(next)) { 25311c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 25411c9c548SOr Gerlitz 25511c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 25611c9c548SOr Gerlitz 25711c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 25811c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 25911c9c548SOr Gerlitz kfree(mh); 26011c9c548SOr Gerlitz } 26111c9c548SOr Gerlitz } 26211c9c548SOr Gerlitz 26377ab67b7SOr Gerlitz static 26477ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 26577ab67b7SOr Gerlitz { 26677ab67b7SOr Gerlitz struct net_device *netdev; 26777ab67b7SOr Gerlitz struct mlx5e_priv *priv; 26877ab67b7SOr Gerlitz 26977ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 27077ab67b7SOr Gerlitz priv = netdev_priv(netdev); 27177ab67b7SOr Gerlitz return priv->mdev; 27277ab67b7SOr Gerlitz } 27377ab67b7SOr Gerlitz 27477ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 27577ab67b7SOr Gerlitz { 27677ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 27777ab67b7SOr Gerlitz void *tirc; 27877ab67b7SOr Gerlitz int err; 27977ab67b7SOr Gerlitz 28077ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 28177ab67b7SOr Gerlitz if (err) 28277ab67b7SOr Gerlitz goto alloc_tdn_err; 28377ab67b7SOr Gerlitz 28477ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 28577ab67b7SOr Gerlitz 28677ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 287ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 28877ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 28977ab67b7SOr Gerlitz 29077ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 29177ab67b7SOr Gerlitz if (err) 29277ab67b7SOr Gerlitz goto create_tir_err; 29377ab67b7SOr Gerlitz 29477ab67b7SOr Gerlitz return 0; 29577ab67b7SOr Gerlitz 29677ab67b7SOr Gerlitz create_tir_err: 29777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 29877ab67b7SOr Gerlitz alloc_tdn_err: 29977ab67b7SOr Gerlitz return err; 30077ab67b7SOr Gerlitz } 30177ab67b7SOr Gerlitz 30277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 30377ab67b7SOr Gerlitz { 30477ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 30577ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 30677ab67b7SOr Gerlitz } 30777ab67b7SOr Gerlitz 3083f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3093f6d08d1SOr Gerlitz { 3103f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3113f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3123f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3133f6d08d1SOr Gerlitz 3143f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3153f6d08d1SOr Gerlitz hp->num_channels); 3163f6d08d1SOr Gerlitz 3173f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3183f6d08d1SOr Gerlitz ix = i; 319bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 3203f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3213f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3223f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3233f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3243f6d08d1SOr Gerlitz } 3253f6d08d1SOr Gerlitz } 3263f6d08d1SOr Gerlitz 3273f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3283f6d08d1SOr Gerlitz { 3293f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3303f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3313f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3323f6d08d1SOr Gerlitz void *rqtc; 3333f6d08d1SOr Gerlitz u32 *in; 3343f6d08d1SOr Gerlitz 3353f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3363f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3373f6d08d1SOr Gerlitz if (!in) 3383f6d08d1SOr Gerlitz return -ENOMEM; 3393f6d08d1SOr Gerlitz 3403f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3413f6d08d1SOr Gerlitz 3423f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3433f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3443f6d08d1SOr Gerlitz 3453f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3463f6d08d1SOr Gerlitz 3473f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3483f6d08d1SOr Gerlitz if (!err) 3493f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3503f6d08d1SOr Gerlitz 3513f6d08d1SOr Gerlitz kvfree(in); 3523f6d08d1SOr Gerlitz return err; 3533f6d08d1SOr Gerlitz } 3543f6d08d1SOr Gerlitz 3553f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3563f6d08d1SOr Gerlitz { 3573f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3583f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3593f6d08d1SOr Gerlitz int tt, i, err; 3603f6d08d1SOr Gerlitz void *tirc; 3613f6d08d1SOr Gerlitz 3623f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 363d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 364d930ac79SAya Levin 3653f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3663f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3673f6d08d1SOr Gerlitz 3683f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 3693f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 3703f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 371bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 372bbeb53b8SAya Levin 3733f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 3743f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 3753f6d08d1SOr Gerlitz if (err) { 3763f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 3773f6d08d1SOr Gerlitz goto err_destroy_tirs; 3783f6d08d1SOr Gerlitz } 3793f6d08d1SOr Gerlitz } 3803f6d08d1SOr Gerlitz return 0; 3813f6d08d1SOr Gerlitz 3823f6d08d1SOr Gerlitz err_destroy_tirs: 3833f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 3843f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 3853f6d08d1SOr Gerlitz return err; 3863f6d08d1SOr Gerlitz } 3873f6d08d1SOr Gerlitz 3883f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 3893f6d08d1SOr Gerlitz { 3903f6d08d1SOr Gerlitz int tt; 3913f6d08d1SOr Gerlitz 3923f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 3933f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 3943f6d08d1SOr Gerlitz } 3953f6d08d1SOr Gerlitz 3963f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 3973f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 3983f6d08d1SOr Gerlitz { 3993f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4003f6d08d1SOr Gerlitz int tt; 4013f6d08d1SOr Gerlitz 4023f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4033f6d08d1SOr Gerlitz 4043f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4053f6d08d1SOr Gerlitz 4063f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4073f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4083f6d08d1SOr Gerlitz 4093f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4103f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4113f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4123f6d08d1SOr Gerlitz } 4133f6d08d1SOr Gerlitz 4143f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4153f6d08d1SOr Gerlitz { 4163f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4173f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4183f6d08d1SOr Gerlitz int err; 4193f6d08d1SOr Gerlitz 4203f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4213f6d08d1SOr Gerlitz if (err) 4223f6d08d1SOr Gerlitz return err; 4233f6d08d1SOr Gerlitz 4243f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4253f6d08d1SOr Gerlitz if (err) 4263f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4273f6d08d1SOr Gerlitz 4283f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4293f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4303f6d08d1SOr Gerlitz if (err) 4313f6d08d1SOr Gerlitz goto err_create_ttc_table; 4323f6d08d1SOr Gerlitz 4333f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4343f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4353f6d08d1SOr Gerlitz 4363f6d08d1SOr Gerlitz return 0; 4373f6d08d1SOr Gerlitz 4383f6d08d1SOr Gerlitz err_create_ttc_table: 4393f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4403f6d08d1SOr Gerlitz err_create_indirect_tirs: 4413f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4423f6d08d1SOr Gerlitz 4433f6d08d1SOr Gerlitz return err; 4443f6d08d1SOr Gerlitz } 4453f6d08d1SOr Gerlitz 4463f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4473f6d08d1SOr Gerlitz { 4483f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4493f6d08d1SOr Gerlitz 4503f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4513f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4523f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4533f6d08d1SOr Gerlitz } 4543f6d08d1SOr Gerlitz 45577ab67b7SOr Gerlitz static struct mlx5e_hairpin * 45677ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 45777ab67b7SOr Gerlitz int peer_ifindex) 45877ab67b7SOr Gerlitz { 45977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 46077ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 46177ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 46277ab67b7SOr Gerlitz int err; 46377ab67b7SOr Gerlitz 46477ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 46577ab67b7SOr Gerlitz if (!hp) 46677ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 46777ab67b7SOr Gerlitz 46877ab67b7SOr Gerlitz func_mdev = priv->mdev; 46977ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 47077ab67b7SOr Gerlitz 47177ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 47277ab67b7SOr Gerlitz if (IS_ERR(pair)) { 47377ab67b7SOr Gerlitz err = PTR_ERR(pair); 47477ab67b7SOr Gerlitz goto create_pair_err; 47577ab67b7SOr Gerlitz } 47677ab67b7SOr Gerlitz hp->pair = pair; 47777ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 4783f6d08d1SOr Gerlitz hp->func_priv = priv; 4793f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 48077ab67b7SOr Gerlitz 48177ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 48277ab67b7SOr Gerlitz if (err) 48377ab67b7SOr Gerlitz goto create_transport_err; 48477ab67b7SOr Gerlitz 4853f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 4863f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 4873f6d08d1SOr Gerlitz if (err) 4883f6d08d1SOr Gerlitz goto rss_init_err; 4893f6d08d1SOr Gerlitz } 4903f6d08d1SOr Gerlitz 49177ab67b7SOr Gerlitz return hp; 49277ab67b7SOr Gerlitz 4933f6d08d1SOr Gerlitz rss_init_err: 4943f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 49577ab67b7SOr Gerlitz create_transport_err: 49677ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 49777ab67b7SOr Gerlitz create_pair_err: 49877ab67b7SOr Gerlitz kfree(hp); 49977ab67b7SOr Gerlitz return ERR_PTR(err); 50077ab67b7SOr Gerlitz } 50177ab67b7SOr Gerlitz 50277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 50377ab67b7SOr Gerlitz { 5043f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5053f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 50677ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 50777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 50877ab67b7SOr Gerlitz kvfree(hp); 50977ab67b7SOr Gerlitz } 51077ab67b7SOr Gerlitz 511106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 512106be53bSOr Gerlitz { 513106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 514106be53bSOr Gerlitz } 515106be53bSOr Gerlitz 5165c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 517106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5185c65c564SOr Gerlitz { 5195c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 520106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5215c65c564SOr Gerlitz 5225c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 523106be53bSOr Gerlitz hairpin_hlist, hash_key) { 524106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5255c65c564SOr Gerlitz return hpe; 5265c65c564SOr Gerlitz } 5275c65c564SOr Gerlitz 5285c65c564SOr Gerlitz return NULL; 5295c65c564SOr Gerlitz } 5305c65c564SOr Gerlitz 531106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 532106be53bSOr Gerlitz 533106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 534e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 535e98bedf5SEli Britstein struct netlink_ext_ack *extack) 536106be53bSOr Gerlitz { 537106be53bSOr Gerlitz void *headers_c, *headers_v; 538106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 539106be53bSOr Gerlitz bool vlan_present; 540106be53bSOr Gerlitz 541106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 542106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 543e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 544e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 545106be53bSOr Gerlitz return -EOPNOTSUPP; 546106be53bSOr Gerlitz } 547106be53bSOr Gerlitz #endif 548106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 549106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 550106be53bSOr Gerlitz 551106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 552106be53bSOr Gerlitz if (vlan_present) { 553106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 554106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 555106be53bSOr Gerlitz } 556106be53bSOr Gerlitz 557106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 558106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 559106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 560e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 561e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 562106be53bSOr Gerlitz return -EOPNOTSUPP; 563106be53bSOr Gerlitz } 564106be53bSOr Gerlitz 565106be53bSOr Gerlitz *match_prio = prio_val; 566106be53bSOr Gerlitz return 0; 567106be53bSOr Gerlitz } 568106be53bSOr Gerlitz 5695c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 5705c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 571e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 572e98bedf5SEli Britstein struct netlink_ext_ack *extack) 5735c65c564SOr Gerlitz { 5745c65c564SOr Gerlitz int peer_ifindex = parse_attr->mirred_ifindex; 5755c65c564SOr Gerlitz struct mlx5_hairpin_params params; 576d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 5775c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 5785c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 5793f6d08d1SOr Gerlitz u64 link_speed64; 5803f6d08d1SOr Gerlitz u32 link_speed; 581106be53bSOr Gerlitz u8 match_prio; 582d8822868SOr Gerlitz u16 peer_id; 5835c65c564SOr Gerlitz int err; 5845c65c564SOr Gerlitz 585d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 586d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 587e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 5885c65c564SOr Gerlitz return -EOPNOTSUPP; 5895c65c564SOr Gerlitz } 5905c65c564SOr Gerlitz 591d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 592e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 593e98bedf5SEli Britstein extack); 594106be53bSOr Gerlitz if (err) 595106be53bSOr Gerlitz return err; 596106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 5975c65c564SOr Gerlitz if (hpe) 5985c65c564SOr Gerlitz goto attach_flow; 5995c65c564SOr Gerlitz 6005c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6015c65c564SOr Gerlitz if (!hpe) 6025c65c564SOr Gerlitz return -ENOMEM; 6035c65c564SOr Gerlitz 6045c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 605d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 606106be53bSOr Gerlitz hpe->prio = match_prio; 6075c65c564SOr Gerlitz 6085c65c564SOr Gerlitz params.log_data_size = 15; 6095c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6105c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6115c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6125c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6135c65c564SOr Gerlitz 614eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 615eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 616eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 617eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 618eb9180f7SOr Gerlitz 619eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6203f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6212c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6223f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6233f6d08d1SOr Gerlitz link_speed64 = link_speed; 6243f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6253f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6263f6d08d1SOr Gerlitz 6275c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6285c65c564SOr Gerlitz if (IS_ERR(hp)) { 6295c65c564SOr Gerlitz err = PTR_ERR(hp); 6305c65c564SOr Gerlitz goto create_hairpin_err; 6315c65c564SOr Gerlitz } 6325c65c564SOr Gerlitz 633eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 634ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 635eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6365c65c564SOr Gerlitz 6375c65c564SOr Gerlitz hpe->hp = hp; 638106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 639106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6405c65c564SOr Gerlitz 6415c65c564SOr Gerlitz attach_flow: 6423f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6433f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6443f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6453f6d08d1SOr Gerlitz } else { 6465c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6473f6d08d1SOr Gerlitz } 6485c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6493f6d08d1SOr Gerlitz 6505c65c564SOr Gerlitz return 0; 6515c65c564SOr Gerlitz 6525c65c564SOr Gerlitz create_hairpin_err: 6535c65c564SOr Gerlitz kfree(hpe); 6545c65c564SOr Gerlitz return err; 6555c65c564SOr Gerlitz } 6565c65c564SOr Gerlitz 6575c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6585c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6595c65c564SOr Gerlitz { 6605c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6615c65c564SOr Gerlitz 6625c65c564SOr Gerlitz list_del(&flow->hairpin); 6635c65c564SOr Gerlitz 6645c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6655c65c564SOr Gerlitz if (list_empty(next)) { 6665c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6675c65c564SOr Gerlitz 6685c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 6695c65c564SOr Gerlitz 6705c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 6715c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 6725c65c564SOr Gerlitz 6735c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 6745c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 6755c65c564SOr Gerlitz kfree(hpe); 6765c65c564SOr Gerlitz } 6775c65c564SOr Gerlitz } 6785c65c564SOr Gerlitz 679c83954abSRabie Loulou static int 68074491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 68117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 682e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 683e98bedf5SEli Britstein struct netlink_ext_ack *extack) 684e8f887acSAmir Vadai { 685aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 686aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 6875c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 68866958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 6893bc4b7bfSOr Gerlitz .action = attr->action, 6903bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 69160786f09SMark Bloch .reformat_id = 0, 69242f7ad67SPaul Blakey .flags = FLOW_ACT_HAS_TAG | FLOW_ACT_NO_APPEND, 69366958ed9SHadar Hen Zion }; 694aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 695e8f887acSAmir Vadai bool table_created = false; 6965c65c564SOr Gerlitz int err, dest_ix = 0; 697e8f887acSAmir Vadai 6985c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 699e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7005c65c564SOr Gerlitz if (err) { 7015c65c564SOr Gerlitz goto err_add_hairpin_flow; 7025c65c564SOr Gerlitz } 7033f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7043f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7053f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7063f6d08d1SOr Gerlitz } else { 7075c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7085c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7093f6d08d1SOr Gerlitz } 7103f6d08d1SOr Gerlitz dest_ix++; 7113f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7125c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7135c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7145c65c564SOr Gerlitz dest_ix++; 7155c65c564SOr Gerlitz } 716aad7e08dSAmir Vadai 7175c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7185c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7195c65c564SOr Gerlitz if (IS_ERR(counter)) { 720c83954abSRabie Loulou err = PTR_ERR(counter); 7215c65c564SOr Gerlitz goto err_fc_create; 7225c65c564SOr Gerlitz } 7235c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 724171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 7255c65c564SOr Gerlitz dest_ix++; 726b8aee822SMark Bloch attr->counter = counter; 727aad7e08dSAmir Vadai } 728aad7e08dSAmir Vadai 7292f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7303099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 731d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7322f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 733c83954abSRabie Loulou if (err) 7342f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7352f4fe4caSOr Gerlitz } 7362f4fe4caSOr Gerlitz 737acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 73821b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 73921b9c144SOr Gerlitz u32 max_flow_counter; 74021b9c144SOr Gerlitz 74121b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 74221b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 74321b9c144SOr Gerlitz 74421b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 74521b9c144SOr Gerlitz 74621b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 74721b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 74821b9c144SOr Gerlitz 749acff797cSMaor Gottlieb priv->fs.tc.t = 750acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 751acff797cSMaor Gottlieb MLX5E_TC_PRIO, 75221b9c144SOr Gerlitz tc_tbl_size, 753acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7543f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 755acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 756e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 757e98bedf5SEli Britstein "Failed to create tc offload table\n"); 758e8f887acSAmir Vadai netdev_err(priv->netdev, 759e8f887acSAmir Vadai "Failed to create tc offload table\n"); 760c83954abSRabie Loulou err = PTR_ERR(priv->fs.tc.t); 761aad7e08dSAmir Vadai goto err_create_ft; 762e8f887acSAmir Vadai } 763e8f887acSAmir Vadai 764e8f887acSAmir Vadai table_created = true; 765e8f887acSAmir Vadai } 766e8f887acSAmir Vadai 76738aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 76817091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 76938aa51c1SOr Gerlitz 770c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 7715c65c564SOr Gerlitz &flow_act, dest, dest_ix); 772e8f887acSAmir Vadai 773c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 774c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 775aad7e08dSAmir Vadai goto err_add_rule; 776c83954abSRabie Loulou } 777aad7e08dSAmir Vadai 778c83954abSRabie Loulou return 0; 779aad7e08dSAmir Vadai 780aad7e08dSAmir Vadai err_add_rule: 781aad7e08dSAmir Vadai if (table_created) { 782acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 783acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 784e8f887acSAmir Vadai } 785aad7e08dSAmir Vadai err_create_ft: 7862f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 7873099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 7882f4fe4caSOr Gerlitz err_create_mod_hdr_id: 789aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 7905c65c564SOr Gerlitz err_fc_create: 7915c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 7925c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 7935c65c564SOr Gerlitz err_add_hairpin_flow: 794c83954abSRabie Loulou return err; 795e8f887acSAmir Vadai } 796e8f887acSAmir Vadai 797d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 798d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 799d85cdccbSOr Gerlitz { 800513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 801d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 802d85cdccbSOr Gerlitz 803b8aee822SMark Bloch counter = attr->counter; 804e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 805d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 806d85cdccbSOr Gerlitz 807b3a433deSOr Gerlitz if (!mlx5e_tc_num_filters(priv) && priv->fs.tc.t) { 808d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 809d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 810d85cdccbSOr Gerlitz } 8112f4fe4caSOr Gerlitz 812513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8133099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8145c65c564SOr Gerlitz 8155c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8165c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 817d85cdccbSOr Gerlitz } 818d85cdccbSOr Gerlitz 819aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 820aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow); 821aa0cbbaeSOr Gerlitz 8223c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 8233c37745eSOr Gerlitz struct ip_tunnel_info *tun_info, 8243c37745eSOr Gerlitz struct net_device *mirred_dev, 8253c37745eSOr Gerlitz struct net_device **encap_dev, 826e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 827e98bedf5SEli Britstein struct netlink_ext_ack *extack); 8283c37745eSOr Gerlitz 8296d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 8306d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 8316d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8326d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 8336d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8346d2a3ed0SOr Gerlitz { 8356d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 8366d2a3ed0SOr Gerlitz 8376d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 8386d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 8396d2a3ed0SOr Gerlitz return rule; 8406d2a3ed0SOr Gerlitz 8416d2a3ed0SOr Gerlitz if (attr->mirror_count) { 8426d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 8436d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 8446d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 8456d2a3ed0SOr Gerlitz return flow->rule[1]; 8466d2a3ed0SOr Gerlitz } 8476d2a3ed0SOr Gerlitz } 8486d2a3ed0SOr Gerlitz 8496d2a3ed0SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 8506d2a3ed0SOr Gerlitz return rule; 8516d2a3ed0SOr Gerlitz } 8526d2a3ed0SOr Gerlitz 8536d2a3ed0SOr Gerlitz static void 8546d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 8556d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8566d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8576d2a3ed0SOr Gerlitz { 8586d2a3ed0SOr Gerlitz flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 8596d2a3ed0SOr Gerlitz 8606d2a3ed0SOr Gerlitz if (attr->mirror_count) 8616d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 8626d2a3ed0SOr Gerlitz 8636d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 8646d2a3ed0SOr Gerlitz } 8656d2a3ed0SOr Gerlitz 8665dbe906fSPaul Blakey static struct mlx5_flow_handle * 8675dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 8685dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 8695dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 8705dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 8715dbe906fSPaul Blakey { 8725dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 8735dbe906fSPaul Blakey 8745dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 8755dbe906fSPaul Blakey slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST, 8765dbe906fSPaul Blakey slow_attr->mirror_count = 0, 8775dbe906fSPaul Blakey slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN, 8785dbe906fSPaul Blakey 8795dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 8805dbe906fSPaul Blakey if (!IS_ERR(rule)) 8815dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_SLOW; 8825dbe906fSPaul Blakey 8835dbe906fSPaul Blakey return rule; 8845dbe906fSPaul Blakey } 8855dbe906fSPaul Blakey 8865dbe906fSPaul Blakey static void 8875dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 8885dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 8895dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 8905dbe906fSPaul Blakey { 8915dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 8925dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 8935dbe906fSPaul Blakey flow->flags &= ~MLX5E_TC_FLOW_SLOW; 8945dbe906fSPaul Blakey } 8955dbe906fSPaul Blakey 896c83954abSRabie Loulou static int 89774491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 89817091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 899e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 900e98bedf5SEli Britstein struct netlink_ext_ack *extack) 901adb4c123SOr Gerlitz { 902adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 903bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 904aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 905bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 9063c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 907b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 9083c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 9093c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 910c83954abSRabie Loulou int err = 0, encap_err = 0; 9118b32580dSOr Gerlitz 912bf07aa73SPaul Blakey /* if prios are not supported, keep the old behaviour of using same prio 913bf07aa73SPaul Blakey * for all offloaded rules. 914bf07aa73SPaul Blakey */ 915bf07aa73SPaul Blakey if (!mlx5_eswitch_prios_supported(esw)) 916e52c2802SPaul Blakey attr->prio = 1; 917e52c2802SPaul Blakey 918bf07aa73SPaul Blakey if (attr->chain > max_chain) { 919bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 920bf07aa73SPaul Blakey err = -EOPNOTSUPP; 921bf07aa73SPaul Blakey goto err_max_prio_chain; 922bf07aa73SPaul Blakey } 923bf07aa73SPaul Blakey 924bf07aa73SPaul Blakey if (attr->prio > max_prio) { 925bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 926bf07aa73SPaul Blakey err = -EOPNOTSUPP; 927bf07aa73SPaul Blakey goto err_max_prio_chain; 928bf07aa73SPaul Blakey } 929bf07aa73SPaul Blakey 93060786f09SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) { 9313c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 9323c37745eSOr Gerlitz attr->parse_attr->mirred_ifindex); 933c83954abSRabie Loulou encap_err = mlx5e_attach_encap(priv, &parse_attr->tun_info, 934c83954abSRabie Loulou out_dev, &encap_dev, flow, 935c83954abSRabie Loulou extack); 936c83954abSRabie Loulou if (encap_err && encap_err != -EAGAIN) { 937c83954abSRabie Loulou err = encap_err; 9383c37745eSOr Gerlitz goto err_attach_encap; 9393c37745eSOr Gerlitz } 9403c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 9413c37745eSOr Gerlitz rpriv = out_priv->ppriv; 942592d3651SChris Mi attr->out_rep[attr->out_count] = rpriv->rep; 943592d3651SChris Mi attr->out_mdev[attr->out_count++] = out_priv->mdev; 9443c37745eSOr Gerlitz } 9453c37745eSOr Gerlitz 9468b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 947c83954abSRabie Loulou if (err) 948aa0cbbaeSOr Gerlitz goto err_add_vlan; 949adb4c123SOr Gerlitz 950d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9511a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 952d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 953c83954abSRabie Loulou if (err) 954d7e75a32SOr Gerlitz goto err_mod_hdr; 955d7e75a32SOr Gerlitz } 956d7e75a32SOr Gerlitz 957b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 958b8aee822SMark Bloch counter = mlx5_fc_create(esw->dev, true); 959b8aee822SMark Bloch if (IS_ERR(counter)) { 960c83954abSRabie Loulou err = PTR_ERR(counter); 961b8aee822SMark Bloch goto err_create_counter; 962b8aee822SMark Bloch } 963b8aee822SMark Bloch 964b8aee822SMark Bloch attr->counter = counter; 965b8aee822SMark Bloch } 966b8aee822SMark Bloch 967c83954abSRabie Loulou /* we get here if (1) there's no error or when 9683c37745eSOr Gerlitz * (2) there's an encap action and we're on -EAGAIN (no valid neigh) 9693c37745eSOr Gerlitz */ 9705dbe906fSPaul Blakey if (encap_err == -EAGAIN) { 9715dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 9725dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 9735dbe906fSPaul Blakey 9745dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 9755dbe906fSPaul Blakey } else { 9766d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 9775dbe906fSPaul Blakey } 9785dbe906fSPaul Blakey 979c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 980c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 981aa0cbbaeSOr Gerlitz goto err_add_rule; 982c83954abSRabie Loulou } 983c83954abSRabie Loulou 9845dbe906fSPaul Blakey return 0; 985aa0cbbaeSOr Gerlitz 986aa0cbbaeSOr Gerlitz err_add_rule: 987b8aee822SMark Bloch mlx5_fc_destroy(esw->dev, counter); 988b8aee822SMark Bloch err_create_counter: 989513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9901a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 991d7e75a32SOr Gerlitz err_mod_hdr: 992aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 993aa0cbbaeSOr Gerlitz err_add_vlan: 99460786f09SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) 995aa0cbbaeSOr Gerlitz mlx5e_detach_encap(priv, flow); 9963c37745eSOr Gerlitz err_attach_encap: 997bf07aa73SPaul Blakey err_max_prio_chain: 998c83954abSRabie Loulou return err; 999aa0cbbaeSOr Gerlitz } 1000d85cdccbSOr Gerlitz 1001d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1002d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1003d85cdccbSOr Gerlitz { 1004d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1005d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10065dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1007d85cdccbSOr Gerlitz 10085dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 10095dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_SLOW) 10105dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10115dbe906fSPaul Blakey else 10125dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 10135dbe906fSPaul Blakey } 1014d85cdccbSOr Gerlitz 1015513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1016d85cdccbSOr Gerlitz 101760786f09SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT) { 1018d85cdccbSOr Gerlitz mlx5e_detach_encap(priv, flow); 1019513f8f7fSOr Gerlitz kvfree(attr->parse_attr); 1020232c0013SHadar Hen Zion } 1021d7e75a32SOr Gerlitz 1022513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10231a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1024b8aee822SMark Bloch 1025b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1026b8aee822SMark Bloch mlx5_fc_destroy(esw->dev, attr->counter); 1027d85cdccbSOr Gerlitz } 1028d85cdccbSOr Gerlitz 1029232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1030232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1031232c0013SHadar Hen Zion { 10323c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 10335dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 10346d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10356d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1036232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1037232c0013SHadar Hen Zion int err; 1038232c0013SHadar Hen Zion 103960786f09SMark Bloch err = mlx5_packet_reformat_alloc(priv->mdev, e->tunnel_type, 1040232c0013SHadar Hen Zion e->encap_size, e->encap_header, 104131ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1042232c0013SHadar Hen Zion &e->encap_id); 1043232c0013SHadar Hen Zion if (err) { 1044232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1045232c0013SHadar Hen Zion err); 1046232c0013SHadar Hen Zion return; 1047232c0013SHadar Hen Zion } 1048232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1049f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1050232c0013SHadar Hen Zion 1051232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 10523c37745eSOr Gerlitz esw_attr = flow->esw_attr; 10533c37745eSOr Gerlitz esw_attr->encap_id = e->encap_id; 10546d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 10556d2a3ed0SOr Gerlitz 10565dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 10576d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 10586d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 10596d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1060232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1061232c0013SHadar Hen Zion err); 1062232c0013SHadar Hen Zion continue; 1063232c0013SHadar Hen Zion } 10645dbe906fSPaul Blakey 10655dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10665dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when slow path rule removed */ 10676d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1068232c0013SHadar Hen Zion } 1069232c0013SHadar Hen Zion } 1070232c0013SHadar Hen Zion 1071232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1072232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1073232c0013SHadar Hen Zion { 10743c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 10755dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 10765dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 10775dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1078232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 10795dbe906fSPaul Blakey int err; 1080232c0013SHadar Hen Zion 1081232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 10825dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 10835dbe906fSPaul Blakey 10845dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 10855dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 10865dbe906fSPaul Blakey 10875dbe906fSPaul Blakey if (IS_ERR(rule)) { 10885dbe906fSPaul Blakey err = PTR_ERR(rule); 10895dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 10905dbe906fSPaul Blakey err); 10915dbe906fSPaul Blakey continue; 10925dbe906fSPaul Blakey } 10935dbe906fSPaul Blakey 10946d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 10955dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when fast path rule removed */ 10965dbe906fSPaul Blakey flow->rule[0] = rule; 1097232c0013SHadar Hen Zion } 1098232c0013SHadar Hen Zion 1099232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 1100232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 110160786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1102232c0013SHadar Hen Zion } 1103232c0013SHadar Hen Zion } 1104232c0013SHadar Hen Zion 1105b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1106b8aee822SMark Bloch { 1107b8aee822SMark Bloch if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1108b8aee822SMark Bloch return flow->esw_attr->counter; 1109b8aee822SMark Bloch else 1110b8aee822SMark Bloch return flow->nic_attr->counter; 1111b8aee822SMark Bloch } 1112b8aee822SMark Bloch 1113f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1114f6dfb4c3SHadar Hen Zion { 1115f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1116f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1117f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1118f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1119f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1120f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1121f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1122f6dfb4c3SHadar Hen Zion struct neighbour *n; 1123f6dfb4c3SHadar Hen Zion 1124f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1125f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1126f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1127f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1128423c9db2SOr Gerlitz tbl = &nd_tbl; 1129f6dfb4c3SHadar Hen Zion #endif 1130f6dfb4c3SHadar Hen Zion else 1131f6dfb4c3SHadar Hen Zion return; 1132f6dfb4c3SHadar Hen Zion 1133f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 1134f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1135f6dfb4c3SHadar Hen Zion continue; 1136f6dfb4c3SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 1137f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 1138b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 1139f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1140f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1141f6dfb4c3SHadar Hen Zion neigh_used = true; 1142f6dfb4c3SHadar Hen Zion break; 1143f6dfb4c3SHadar Hen Zion } 1144f6dfb4c3SHadar Hen Zion } 1145f6dfb4c3SHadar Hen Zion } 1146e36d4810SRoi Dayan if (neigh_used) 1147e36d4810SRoi Dayan break; 1148f6dfb4c3SHadar Hen Zion } 1149f6dfb4c3SHadar Hen Zion 1150f6dfb4c3SHadar Hen Zion if (neigh_used) { 1151f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1152f6dfb4c3SHadar Hen Zion 1153f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1154f6dfb4c3SHadar Hen Zion * dst ip pair 1155f6dfb4c3SHadar Hen Zion */ 1156f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1157c7f7ba8dSRoi Dayan if (!n) 1158f6dfb4c3SHadar Hen Zion return; 1159f6dfb4c3SHadar Hen Zion 1160f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1161f6dfb4c3SHadar Hen Zion neigh_release(n); 1162f6dfb4c3SHadar Hen Zion } 1163f6dfb4c3SHadar Hen Zion } 1164f6dfb4c3SHadar Hen Zion 1165d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1166d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1167d85cdccbSOr Gerlitz { 11685067b602SRoi Dayan struct list_head *next = flow->encap.next; 11695067b602SRoi Dayan 11705067b602SRoi Dayan list_del(&flow->encap); 11715067b602SRoi Dayan if (list_empty(next)) { 1172c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 11735067b602SRoi Dayan 1174c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1175232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1176232c0013SHadar Hen Zion 1177232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 117860786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1179232c0013SHadar Hen Zion 1180cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1181232c0013SHadar Hen Zion kfree(e->encap_header); 11825067b602SRoi Dayan kfree(e); 11835067b602SRoi Dayan } 11845067b602SRoi Dayan } 11855067b602SRoi Dayan 1186e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1187961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1188e8f887acSAmir Vadai { 1189d85cdccbSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1190d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 1191d85cdccbSOr Gerlitz else 1192d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1193e8f887acSAmir Vadai } 1194e8f887acSAmir Vadai 1195bbd00f7eSHadar Hen Zion static void parse_vxlan_attr(struct mlx5_flow_spec *spec, 1196bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1197bbd00f7eSHadar Hen Zion { 1198bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1199bbd00f7eSHadar Hen Zion outer_headers); 1200bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1201bbd00f7eSHadar Hen Zion outer_headers); 1202bbd00f7eSHadar Hen Zion void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1203bbd00f7eSHadar Hen Zion misc_parameters); 1204bbd00f7eSHadar Hen Zion void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1205bbd00f7eSHadar Hen Zion misc_parameters); 1206bbd00f7eSHadar Hen Zion 1207bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_protocol); 1208bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP); 1209bbd00f7eSHadar Hen Zion 1210bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID)) { 1211bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *key = 1212bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1213bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1214bbd00f7eSHadar Hen Zion f->key); 1215bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *mask = 1216bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1217bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1218bbd00f7eSHadar Hen Zion f->mask); 1219bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_c, vxlan_vni, 1220bbd00f7eSHadar Hen Zion be32_to_cpu(mask->keyid)); 1221bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_v, vxlan_vni, 1222bbd00f7eSHadar Hen Zion be32_to_cpu(key->keyid)); 1223bbd00f7eSHadar Hen Zion } 1224bbd00f7eSHadar Hen Zion } 1225bbd00f7eSHadar Hen Zion 1226bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1227bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1228bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1229bbd00f7eSHadar Hen Zion { 1230e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1231bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1232bbd00f7eSHadar Hen Zion outer_headers); 1233bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1234bbd00f7eSHadar Hen Zion outer_headers); 1235bbd00f7eSHadar Hen Zion 12362e72eb43SOr Gerlitz struct flow_dissector_key_control *enc_control = 12372e72eb43SOr Gerlitz skb_flow_dissector_target(f->dissector, 12382e72eb43SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_CONTROL, 12392e72eb43SOr Gerlitz f->key); 12402e72eb43SOr Gerlitz 1241bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) { 1242bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *key = 1243bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1244bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1245bbd00f7eSHadar Hen Zion f->key); 1246bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *mask = 1247bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1248bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1249bbd00f7eSHadar Hen Zion f->mask); 1250bbd00f7eSHadar Hen Zion 1251bbd00f7eSHadar Hen Zion /* Full udp dst port must be given */ 1252bbd00f7eSHadar Hen Zion if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) 12532fcd82e9SOr Gerlitz goto vxlan_match_offload_err; 1254bbd00f7eSHadar Hen Zion 1255a3e67366SSaeed Mahameed if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, be16_to_cpu(key->dst)) && 1256bbd00f7eSHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) 1257bbd00f7eSHadar Hen Zion parse_vxlan_attr(spec, f); 12582fcd82e9SOr Gerlitz else { 1259e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1260e98bedf5SEli Britstein "port isn't an offloaded vxlan udp dport"); 12612fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 12622fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->dst)); 1263bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 12642fcd82e9SOr Gerlitz } 1265bbd00f7eSHadar Hen Zion 1266bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1267bbd00f7eSHadar Hen Zion udp_dport, ntohs(mask->dst)); 1268bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1269bbd00f7eSHadar Hen Zion udp_dport, ntohs(key->dst)); 1270bbd00f7eSHadar Hen Zion 1271cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1272cd377663SOr Gerlitz udp_sport, ntohs(mask->src)); 1273cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1274cd377663SOr Gerlitz udp_sport, ntohs(key->src)); 1275bbd00f7eSHadar Hen Zion } else { /* udp dst port must be given */ 12762fcd82e9SOr Gerlitz vxlan_match_offload_err: 1277e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1278e98bedf5SEli Britstein "IP tunnel decap offload supported only for vxlan, must set UDP dport"); 12792fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 12802fcd82e9SOr Gerlitz "IP tunnel decap offload supported only for vxlan, must set UDP dport\n"); 1281bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1282bbd00f7eSHadar Hen Zion } 1283bbd00f7eSHadar Hen Zion 12842e72eb43SOr Gerlitz if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1285bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *key = 1286bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1287bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1288bbd00f7eSHadar Hen Zion f->key); 1289bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *mask = 1290bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1291bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1292bbd00f7eSHadar Hen Zion f->mask); 1293bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1294bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1295bbd00f7eSHadar Hen Zion ntohl(mask->src)); 1296bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1297bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1298bbd00f7eSHadar Hen Zion ntohl(key->src)); 1299bbd00f7eSHadar Hen Zion 1300bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1301bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1302bbd00f7eSHadar Hen Zion ntohl(mask->dst)); 1303bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1304bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1305bbd00f7eSHadar Hen Zion ntohl(key->dst)); 1306bbd00f7eSHadar Hen Zion 1307bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1308bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 130919f44401SOr Gerlitz } else if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 131019f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *key = 131119f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 131219f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 131319f44401SOr Gerlitz f->key); 131419f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *mask = 131519f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 131619f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 131719f44401SOr Gerlitz f->mask); 131819f44401SOr Gerlitz 131919f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 132019f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 132119f44401SOr Gerlitz &mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 132219f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 132319f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 132419f44401SOr Gerlitz &key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 132519f44401SOr Gerlitz 132619f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 132719f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 132819f44401SOr Gerlitz &mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 132919f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 133019f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 133119f44401SOr Gerlitz &key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 133219f44401SOr Gerlitz 133319f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 133419f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 13352e72eb43SOr Gerlitz } 1336bbd00f7eSHadar Hen Zion 1337bcef735cSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_IP)) { 1338bcef735cSOr Gerlitz struct flow_dissector_key_ip *key = 1339bcef735cSOr Gerlitz skb_flow_dissector_target(f->dissector, 1340bcef735cSOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IP, 1341bcef735cSOr Gerlitz f->key); 1342bcef735cSOr Gerlitz struct flow_dissector_key_ip *mask = 1343bcef735cSOr Gerlitz skb_flow_dissector_target(f->dissector, 1344bcef735cSOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IP, 1345bcef735cSOr Gerlitz f->mask); 1346bcef735cSOr Gerlitz 1347bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 1348bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 1349bcef735cSOr Gerlitz 1350bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 1351bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 1352bcef735cSOr Gerlitz 1353bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1354bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 1355e98bedf5SEli Britstein 1356e98bedf5SEli Britstein if (mask->ttl && 1357e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1358e98bedf5SEli Britstein (priv->mdev, 1359e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1360e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1361e98bedf5SEli Britstein "Matching on TTL is not supported"); 1362e98bedf5SEli Britstein return -EOPNOTSUPP; 1363e98bedf5SEli Britstein } 1364e98bedf5SEli Britstein 1365bcef735cSOr Gerlitz } 1366bcef735cSOr Gerlitz 1367bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1368bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1369bbd00f7eSHadar Hen Zion */ 1370bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1371bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1372bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1373bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1374bbd00f7eSHadar Hen Zion 1375bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1376bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1377bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1378bbd00f7eSHadar Hen Zion 1379bbd00f7eSHadar Hen Zion return 0; 1380bbd00f7eSHadar Hen Zion } 1381bbd00f7eSHadar Hen Zion 1382de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1383de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1384de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 1385d708f902SOr Gerlitz u8 *match_level) 1386e3a2b7edSAmir Vadai { 1387e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1388c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1389c5bb1730SMaor Gottlieb outer_headers); 1390c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1391c5bb1730SMaor Gottlieb outer_headers); 1392699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1393699e96ddSJianbo Liu misc_parameters); 1394699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1395699e96ddSJianbo Liu misc_parameters); 1396e3a2b7edSAmir Vadai u16 addr_type = 0; 1397e3a2b7edSAmir Vadai u8 ip_proto = 0; 1398e3a2b7edSAmir Vadai 1399d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1400de0af0bfSRoi Dayan 1401e3a2b7edSAmir Vadai if (f->dissector->used_keys & 1402e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1403e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1404e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1405095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1406699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1407e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1408e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1409bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1410bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1411bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1412bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1413bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1414e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1415fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1416bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 1417bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { 1418e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1419e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 1420e3a2b7edSAmir Vadai f->dissector->used_keys); 1421e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1422e3a2b7edSAmir Vadai } 1423e3a2b7edSAmir Vadai 1424bbd00f7eSHadar Hen Zion if ((dissector_uses_key(f->dissector, 1425bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 1426bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID) || 1427bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 1428bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 1429bbd00f7eSHadar Hen Zion struct flow_dissector_key_control *key = 1430bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1431bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_CONTROL, 1432bbd00f7eSHadar Hen Zion f->key); 1433bbd00f7eSHadar Hen Zion switch (key->addr_type) { 1434bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 143519f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 1436bbd00f7eSHadar Hen Zion if (parse_tunnel_attr(priv, spec, f)) 1437bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1438bbd00f7eSHadar Hen Zion break; 1439bbd00f7eSHadar Hen Zion default: 1440bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1441bbd00f7eSHadar Hen Zion } 1442bbd00f7eSHadar Hen Zion 1443bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1444bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1445bbd00f7eSHadar Hen Zion */ 1446bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1447bbd00f7eSHadar Hen Zion inner_headers); 1448bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1449bbd00f7eSHadar Hen Zion inner_headers); 1450bbd00f7eSHadar Hen Zion } 1451bbd00f7eSHadar Hen Zion 1452d3a80bb5SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 1453d3a80bb5SOr Gerlitz struct flow_dissector_key_basic *key = 1454e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1455d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 1456e3a2b7edSAmir Vadai f->key); 1457d3a80bb5SOr Gerlitz struct flow_dissector_key_basic *mask = 1458e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1459d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 1460e3a2b7edSAmir Vadai f->mask); 1461d3a80bb5SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 1462d3a80bb5SOr Gerlitz ntohs(mask->n_proto)); 1463d3a80bb5SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 1464d3a80bb5SOr Gerlitz ntohs(key->n_proto)); 1465e3a2b7edSAmir Vadai 1466d3a80bb5SOr Gerlitz if (mask->n_proto) 1467d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1468e3a2b7edSAmir Vadai } 1469e3a2b7edSAmir Vadai 1470095b6cfdSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) { 1471095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *key = 1472095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1473095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1474095b6cfdSOr Gerlitz f->key); 1475095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *mask = 1476095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1477095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1478095b6cfdSOr Gerlitz f->mask); 1479699e96ddSJianbo Liu if (mask->vlan_id || mask->vlan_priority || mask->vlan_tpid) { 1480699e96ddSJianbo Liu if (key->vlan_tpid == htons(ETH_P_8021AD)) { 1481699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1482699e96ddSJianbo Liu svlan_tag, 1); 1483699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1484699e96ddSJianbo Liu svlan_tag, 1); 1485699e96ddSJianbo Liu } else { 1486699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1487699e96ddSJianbo Liu cvlan_tag, 1); 1488699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1489699e96ddSJianbo Liu cvlan_tag, 1); 1490699e96ddSJianbo Liu } 1491095b6cfdSOr Gerlitz 1492095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id); 1493095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id); 1494358d79a4SOr Gerlitz 1495358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority); 1496358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority); 149754782900SOr Gerlitz 1498d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1499095b6cfdSOr Gerlitz } 1500d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1501cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1502cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1503d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1504095b6cfdSOr Gerlitz } 1505095b6cfdSOr Gerlitz 1506699e96ddSJianbo Liu if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CVLAN)) { 1507699e96ddSJianbo Liu struct flow_dissector_key_vlan *key = 1508699e96ddSJianbo Liu skb_flow_dissector_target(f->dissector, 1509699e96ddSJianbo Liu FLOW_DISSECTOR_KEY_CVLAN, 1510699e96ddSJianbo Liu f->key); 1511699e96ddSJianbo Liu struct flow_dissector_key_vlan *mask = 1512699e96ddSJianbo Liu skb_flow_dissector_target(f->dissector, 1513699e96ddSJianbo Liu FLOW_DISSECTOR_KEY_CVLAN, 1514699e96ddSJianbo Liu f->mask); 1515699e96ddSJianbo Liu if (mask->vlan_id || mask->vlan_priority || mask->vlan_tpid) { 1516699e96ddSJianbo Liu if (key->vlan_tpid == htons(ETH_P_8021AD)) { 1517699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1518699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1519699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1520699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1521699e96ddSJianbo Liu } else { 1522699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1523699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1524699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1525699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1526699e96ddSJianbo Liu } 1527699e96ddSJianbo Liu 1528699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 1529699e96ddSJianbo Liu mask->vlan_id); 1530699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 1531699e96ddSJianbo Liu key->vlan_id); 1532699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 1533699e96ddSJianbo Liu mask->vlan_priority); 1534699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 1535699e96ddSJianbo Liu key->vlan_priority); 1536699e96ddSJianbo Liu 1537699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1538699e96ddSJianbo Liu } 1539699e96ddSJianbo Liu } 1540699e96ddSJianbo Liu 1541d3a80bb5SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 1542d3a80bb5SOr Gerlitz struct flow_dissector_key_eth_addrs *key = 154354782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 1544d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_ETH_ADDRS, 154554782900SOr Gerlitz f->key); 1546d3a80bb5SOr Gerlitz struct flow_dissector_key_eth_addrs *mask = 154754782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 1548d3a80bb5SOr Gerlitz FLOW_DISSECTOR_KEY_ETH_ADDRS, 154954782900SOr Gerlitz f->mask); 155054782900SOr Gerlitz 1551d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1552d3a80bb5SOr Gerlitz dmac_47_16), 1553d3a80bb5SOr Gerlitz mask->dst); 1554d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1555d3a80bb5SOr Gerlitz dmac_47_16), 1556d3a80bb5SOr Gerlitz key->dst); 1557d3a80bb5SOr Gerlitz 1558d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1559d3a80bb5SOr Gerlitz smac_47_16), 1560d3a80bb5SOr Gerlitz mask->src); 1561d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1562d3a80bb5SOr Gerlitz smac_47_16), 1563d3a80bb5SOr Gerlitz key->src); 1564d3a80bb5SOr Gerlitz 1565d3a80bb5SOr Gerlitz if (!is_zero_ether_addr(mask->src) || !is_zero_ether_addr(mask->dst)) 1566d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 156754782900SOr Gerlitz } 156854782900SOr Gerlitz 156954782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) { 157054782900SOr Gerlitz struct flow_dissector_key_control *key = 157154782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 157254782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 157354782900SOr Gerlitz f->key); 157454782900SOr Gerlitz 157554782900SOr Gerlitz struct flow_dissector_key_control *mask = 157654782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 157754782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 157854782900SOr Gerlitz f->mask); 157954782900SOr Gerlitz addr_type = key->addr_type; 158054782900SOr Gerlitz 158154782900SOr Gerlitz /* the HW doesn't support frag first/later */ 158254782900SOr Gerlitz if (mask->flags & FLOW_DIS_FIRST_FRAG) 158354782900SOr Gerlitz return -EOPNOTSUPP; 158454782900SOr Gerlitz 158554782900SOr Gerlitz if (mask->flags & FLOW_DIS_IS_FRAGMENT) { 158654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 158754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 158854782900SOr Gerlitz key->flags & FLOW_DIS_IS_FRAGMENT); 158954782900SOr Gerlitz 159054782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 159154782900SOr Gerlitz if (!(key->flags & FLOW_DIS_IS_FRAGMENT)) 159283621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 159354782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 159454782900SOr Gerlitz else 159583621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 159654782900SOr Gerlitz } 159754782900SOr Gerlitz } 159854782900SOr Gerlitz 159954782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 160054782900SOr Gerlitz struct flow_dissector_key_basic *key = 160154782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 160254782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 160354782900SOr Gerlitz f->key); 160454782900SOr Gerlitz struct flow_dissector_key_basic *mask = 160554782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 160654782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 160754782900SOr Gerlitz f->mask); 160854782900SOr Gerlitz ip_proto = key->ip_proto; 160954782900SOr Gerlitz 161054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 161154782900SOr Gerlitz mask->ip_proto); 161254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 161354782900SOr Gerlitz key->ip_proto); 161454782900SOr Gerlitz 161554782900SOr Gerlitz if (mask->ip_proto) 1616d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 161754782900SOr Gerlitz } 161854782900SOr Gerlitz 1619e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1620e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *key = 1621e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1622e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1623e3a2b7edSAmir Vadai f->key); 1624e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *mask = 1625e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1626e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1627e3a2b7edSAmir Vadai f->mask); 1628e3a2b7edSAmir Vadai 1629e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1630e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1631e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1632e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1633e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1634e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1635e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1636e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1637e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1638e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1639e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1640e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1641de0af0bfSRoi Dayan 1642de0af0bfSRoi Dayan if (mask->src || mask->dst) 1643d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1644e3a2b7edSAmir Vadai } 1645e3a2b7edSAmir Vadai 1646e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 1647e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *key = 1648e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1649e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1650e3a2b7edSAmir Vadai f->key); 1651e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *mask = 1652e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1653e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1654e3a2b7edSAmir Vadai f->mask); 1655e3a2b7edSAmir Vadai 1656e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1657e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1658e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1659e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1660e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1661e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1662e3a2b7edSAmir Vadai 1663e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1664e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1665e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1666e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1667e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1668e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1669de0af0bfSRoi Dayan 1670de0af0bfSRoi Dayan if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY || 1671de0af0bfSRoi Dayan ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY) 1672d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1673e3a2b7edSAmir Vadai } 1674e3a2b7edSAmir Vadai 16751f97a526SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_IP)) { 16761f97a526SOr Gerlitz struct flow_dissector_key_ip *key = 16771f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 16781f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 16791f97a526SOr Gerlitz f->key); 16801f97a526SOr Gerlitz struct flow_dissector_key_ip *mask = 16811f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 16821f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 16831f97a526SOr Gerlitz f->mask); 16841f97a526SOr Gerlitz 16851f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 16861f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 16871f97a526SOr Gerlitz 16881f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 16891f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 16901f97a526SOr Gerlitz 1691a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1692a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 16931f97a526SOr Gerlitz 1694a8ade55fSOr Gerlitz if (mask->ttl && 1695a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1696e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1697e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1698e98bedf5SEli Britstein "Matching on TTL is not supported"); 16991f97a526SOr Gerlitz return -EOPNOTSUPP; 1700e98bedf5SEli Britstein } 1701a8ade55fSOr Gerlitz 1702a8ade55fSOr Gerlitz if (mask->tos || mask->ttl) 1703d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 17041f97a526SOr Gerlitz } 17051f97a526SOr Gerlitz 170654782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 170754782900SOr Gerlitz 1708e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) { 1709e3a2b7edSAmir Vadai struct flow_dissector_key_ports *key = 1710e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1711e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1712e3a2b7edSAmir Vadai f->key); 1713e3a2b7edSAmir Vadai struct flow_dissector_key_ports *mask = 1714e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1715e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1716e3a2b7edSAmir Vadai f->mask); 1717e3a2b7edSAmir Vadai switch (ip_proto) { 1718e3a2b7edSAmir Vadai case IPPROTO_TCP: 1719e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1720e3a2b7edSAmir Vadai tcp_sport, ntohs(mask->src)); 1721e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1722e3a2b7edSAmir Vadai tcp_sport, ntohs(key->src)); 1723e3a2b7edSAmir Vadai 1724e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1725e3a2b7edSAmir Vadai tcp_dport, ntohs(mask->dst)); 1726e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1727e3a2b7edSAmir Vadai tcp_dport, ntohs(key->dst)); 1728e3a2b7edSAmir Vadai break; 1729e3a2b7edSAmir Vadai 1730e3a2b7edSAmir Vadai case IPPROTO_UDP: 1731e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1732e3a2b7edSAmir Vadai udp_sport, ntohs(mask->src)); 1733e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1734e3a2b7edSAmir Vadai udp_sport, ntohs(key->src)); 1735e3a2b7edSAmir Vadai 1736e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1737e3a2b7edSAmir Vadai udp_dport, ntohs(mask->dst)); 1738e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1739e3a2b7edSAmir Vadai udp_dport, ntohs(key->dst)); 1740e3a2b7edSAmir Vadai break; 1741e3a2b7edSAmir Vadai default: 1742e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1743e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1744e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1745e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1746e3a2b7edSAmir Vadai return -EINVAL; 1747e3a2b7edSAmir Vadai } 1748de0af0bfSRoi Dayan 1749de0af0bfSRoi Dayan if (mask->src || mask->dst) 1750d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1751e3a2b7edSAmir Vadai } 1752e3a2b7edSAmir Vadai 1753e77834ecSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) { 1754e77834ecSOr Gerlitz struct flow_dissector_key_tcp *key = 1755e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1756e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1757e77834ecSOr Gerlitz f->key); 1758e77834ecSOr Gerlitz struct flow_dissector_key_tcp *mask = 1759e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1760e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1761e77834ecSOr Gerlitz f->mask); 1762e77834ecSOr Gerlitz 1763e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 1764e77834ecSOr Gerlitz ntohs(mask->flags)); 1765e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 1766e77834ecSOr Gerlitz ntohs(key->flags)); 1767e77834ecSOr Gerlitz 1768e77834ecSOr Gerlitz if (mask->flags) 1769d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1770e77834ecSOr Gerlitz } 1771e77834ecSOr Gerlitz 1772e3a2b7edSAmir Vadai return 0; 1773e3a2b7edSAmir Vadai } 1774e3a2b7edSAmir Vadai 1775de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 177665ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1777de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1778de0af0bfSRoi Dayan struct tc_cls_flower_offload *f) 1779de0af0bfSRoi Dayan { 1780e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1781de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1782de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 17831d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 17841d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1785d708f902SOr Gerlitz u8 match_level; 1786de0af0bfSRoi Dayan int err; 1787de0af0bfSRoi Dayan 1788d708f902SOr Gerlitz err = __parse_cls_flower(priv, spec, f, &match_level); 1789de0af0bfSRoi Dayan 17901d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 17911d447a39SSaeed Mahameed rep = rpriv->rep; 17921d447a39SSaeed Mahameed if (rep->vport != FDB_UPLINK_VPORT && 17931d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1794d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1795e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1796e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1797de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1798de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1799d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1800de0af0bfSRoi Dayan return -EOPNOTSUPP; 1801de0af0bfSRoi Dayan } 1802de0af0bfSRoi Dayan } 1803de0af0bfSRoi Dayan 180438aa51c1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 180538aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 180638aa51c1SOr Gerlitz else 180738aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 180838aa51c1SOr Gerlitz 1809de0af0bfSRoi Dayan return err; 1810de0af0bfSRoi Dayan } 1811de0af0bfSRoi Dayan 1812d79b6df6SOr Gerlitz struct pedit_headers { 1813d79b6df6SOr Gerlitz struct ethhdr eth; 1814d79b6df6SOr Gerlitz struct iphdr ip4; 1815d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1816d79b6df6SOr Gerlitz struct tcphdr tcp; 1817d79b6df6SOr Gerlitz struct udphdr udp; 1818d79b6df6SOr Gerlitz }; 1819d79b6df6SOr Gerlitz 1820d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 1821d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 1822d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 1823d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 1824d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 1825d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1826d79b6df6SOr Gerlitz }; 1827d79b6df6SOr Gerlitz 1828d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1829d79b6df6SOr Gerlitz 1830d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1831d79b6df6SOr Gerlitz struct pedit_headers *masks, 1832d79b6df6SOr Gerlitz struct pedit_headers *vals) 1833d79b6df6SOr Gerlitz { 1834d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1835d79b6df6SOr Gerlitz 1836d79b6df6SOr Gerlitz if (hdr_type >= __PEDIT_HDR_TYPE_MAX) 1837d79b6df6SOr Gerlitz goto out_err; 1838d79b6df6SOr Gerlitz 1839d79b6df6SOr Gerlitz curr_pmask = (u32 *)(pedit_header(masks, hdr_type) + offset); 1840d79b6df6SOr Gerlitz curr_pval = (u32 *)(pedit_header(vals, hdr_type) + offset); 1841d79b6df6SOr Gerlitz 1842d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1843d79b6df6SOr Gerlitz goto out_err; 1844d79b6df6SOr Gerlitz 1845d79b6df6SOr Gerlitz *curr_pmask |= mask; 1846d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1847d79b6df6SOr Gerlitz 1848d79b6df6SOr Gerlitz return 0; 1849d79b6df6SOr Gerlitz 1850d79b6df6SOr Gerlitz out_err: 1851d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1852d79b6df6SOr Gerlitz } 1853d79b6df6SOr Gerlitz 1854d79b6df6SOr Gerlitz struct mlx5_fields { 1855d79b6df6SOr Gerlitz u8 field; 1856d79b6df6SOr Gerlitz u8 size; 1857d79b6df6SOr Gerlitz u32 offset; 1858d79b6df6SOr Gerlitz }; 1859d79b6df6SOr Gerlitz 1860a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1861a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1862a8e4f0c4SOr Gerlitz 1863d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1864a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1865a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1866a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1867a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1868a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 1869d79b6df6SOr Gerlitz 1870a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1871a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1872a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1873d79b6df6SOr Gerlitz 1874a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1875a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1876a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1877a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1878a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1879a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1880a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1881a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 18820c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1883d79b6df6SOr Gerlitz 1884a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1885a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1886a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1887d79b6df6SOr Gerlitz 1888a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1889a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1890d79b6df6SOr Gerlitz }; 1891d79b6df6SOr Gerlitz 1892d79b6df6SOr Gerlitz /* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at 1893d79b6df6SOr Gerlitz * max from the SW pedit action. On success, it says how many HW actions were 1894d79b6df6SOr Gerlitz * actually parsed. 1895d79b6df6SOr Gerlitz */ 1896d79b6df6SOr Gerlitz static int offload_pedit_fields(struct pedit_headers *masks, 1897d79b6df6SOr Gerlitz struct pedit_headers *vals, 1898e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1899e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1900d79b6df6SOr Gerlitz { 1901d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 19022b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1903d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1904d79b6df6SOr Gerlitz struct mlx5_fields *f; 1905d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1906e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1907d79b6df6SOr Gerlitz unsigned long mask; 19082b64bebaSOr Gerlitz __be32 mask_be32; 19092b64bebaSOr Gerlitz __be16 mask_be16; 1910d79b6df6SOr Gerlitz void *action; 1911d79b6df6SOr Gerlitz 1912d79b6df6SOr Gerlitz set_masks = &masks[TCA_PEDIT_KEY_EX_CMD_SET]; 1913d79b6df6SOr Gerlitz add_masks = &masks[TCA_PEDIT_KEY_EX_CMD_ADD]; 1914d79b6df6SOr Gerlitz set_vals = &vals[TCA_PEDIT_KEY_EX_CMD_SET]; 1915d79b6df6SOr Gerlitz add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD]; 1916d79b6df6SOr Gerlitz 1917d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1918d79b6df6SOr Gerlitz action = parse_attr->mod_hdr_actions; 1919d79b6df6SOr Gerlitz max_actions = parse_attr->num_mod_hdr_actions; 1920d79b6df6SOr Gerlitz nactions = 0; 1921d79b6df6SOr Gerlitz 1922d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1923d79b6df6SOr Gerlitz f = &fields[i]; 1924d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1925e3ca4e05SOr Gerlitz s_mask = 0; 1926e3ca4e05SOr Gerlitz a_mask = 0; 1927d79b6df6SOr Gerlitz 1928d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1929d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1930d79b6df6SOr Gerlitz 1931d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1932d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1933d79b6df6SOr Gerlitz 1934d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1935d79b6df6SOr Gerlitz continue; 1936d79b6df6SOr Gerlitz 1937d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1938e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1939e98bedf5SEli Britstein "can't set and add to the same HW field"); 1940d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1941d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1942d79b6df6SOr Gerlitz } 1943d79b6df6SOr Gerlitz 1944d79b6df6SOr Gerlitz if (nactions == max_actions) { 1945e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1946e98bedf5SEli Britstein "too many pedit actions, can't offload"); 1947d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1948d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1949d79b6df6SOr Gerlitz } 1950d79b6df6SOr Gerlitz 1951d79b6df6SOr Gerlitz if (s_mask) { 1952d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1953d79b6df6SOr Gerlitz mask = s_mask; 1954d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1955d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1956d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1957d79b6df6SOr Gerlitz } else { 1958d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1959d79b6df6SOr Gerlitz mask = a_mask; 1960d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1961d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1962d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1963d79b6df6SOr Gerlitz } 1964d79b6df6SOr Gerlitz 1965d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1966e3ca4e05SOr Gerlitz 19672b64bebaSOr Gerlitz if (field_bsize == 32) { 19682b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 19692b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 19702b64bebaSOr Gerlitz } else if (field_bsize == 16) { 19712b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 19722b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 19732b64bebaSOr Gerlitz } 19742b64bebaSOr Gerlitz 1975d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 19762b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1977d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 19782b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 1979e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1980e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 19812b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 1982d79b6df6SOr Gerlitz mask); 1983d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1984d79b6df6SOr Gerlitz } 1985d79b6df6SOr Gerlitz 1986d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 1987d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 1988d79b6df6SOr Gerlitz 1989d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 19902b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 1991d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 19922b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 1993d79b6df6SOr Gerlitz } 1994d79b6df6SOr Gerlitz 1995d79b6df6SOr Gerlitz if (field_bsize == 32) 19962b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 1997d79b6df6SOr Gerlitz else if (field_bsize == 16) 19982b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 1999d79b6df6SOr Gerlitz else if (field_bsize == 8) 20002b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2001d79b6df6SOr Gerlitz 2002d79b6df6SOr Gerlitz action += action_size; 2003d79b6df6SOr Gerlitz nactions++; 2004d79b6df6SOr Gerlitz } 2005d79b6df6SOr Gerlitz 2006d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2007d79b6df6SOr Gerlitz return 0; 2008d79b6df6SOr Gerlitz } 2009d79b6df6SOr Gerlitz 2010d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2011d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 2012d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2013d79b6df6SOr Gerlitz { 2014d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2015d79b6df6SOr Gerlitz 2016d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2017d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2018d79b6df6SOr Gerlitz 2019d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 2020d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 2021d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 2022d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 2023d79b6df6SOr Gerlitz 2024d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2025d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2026d79b6df6SOr Gerlitz 2027d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2028d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2029d79b6df6SOr Gerlitz return -ENOMEM; 2030d79b6df6SOr Gerlitz 2031d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = max_actions; 2032d79b6df6SOr Gerlitz return 0; 2033d79b6df6SOr Gerlitz } 2034d79b6df6SOr Gerlitz 2035d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2036d79b6df6SOr Gerlitz 2037d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2038d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 2039e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2040e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2041d79b6df6SOr Gerlitz { 2042d79b6df6SOr Gerlitz struct pedit_headers masks[__PEDIT_CMD_MAX], vals[__PEDIT_CMD_MAX], *cmd_masks; 2043d79b6df6SOr Gerlitz int nkeys, i, err = -EOPNOTSUPP; 2044d79b6df6SOr Gerlitz u32 mask, val, offset; 2045d79b6df6SOr Gerlitz u8 cmd, htype; 2046d79b6df6SOr Gerlitz 2047d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2048d79b6df6SOr Gerlitz 2049d79b6df6SOr Gerlitz memset(masks, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 2050d79b6df6SOr Gerlitz memset(vals, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 2051d79b6df6SOr Gerlitz 2052d79b6df6SOr Gerlitz for (i = 0; i < nkeys; i++) { 2053d79b6df6SOr Gerlitz htype = tcf_pedit_htype(a, i); 2054d79b6df6SOr Gerlitz cmd = tcf_pedit_cmd(a, i); 2055d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2056d79b6df6SOr Gerlitz 2057d79b6df6SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK) { 2058e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2059e98bedf5SEli Britstein "legacy pedit isn't offloaded"); 2060d79b6df6SOr Gerlitz goto out_err; 2061d79b6df6SOr Gerlitz } 2062d79b6df6SOr Gerlitz 2063d79b6df6SOr Gerlitz if (cmd != TCA_PEDIT_KEY_EX_CMD_SET && cmd != TCA_PEDIT_KEY_EX_CMD_ADD) { 2064e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "pedit cmd isn't offloaded"); 2065d79b6df6SOr Gerlitz goto out_err; 2066d79b6df6SOr Gerlitz } 2067d79b6df6SOr Gerlitz 2068d79b6df6SOr Gerlitz mask = tcf_pedit_mask(a, i); 2069d79b6df6SOr Gerlitz val = tcf_pedit_val(a, i); 2070d79b6df6SOr Gerlitz offset = tcf_pedit_offset(a, i); 2071d79b6df6SOr Gerlitz 2072d79b6df6SOr Gerlitz err = set_pedit_val(htype, ~mask, val, offset, &masks[cmd], &vals[cmd]); 2073d79b6df6SOr Gerlitz if (err) 2074d79b6df6SOr Gerlitz goto out_err; 2075d79b6df6SOr Gerlitz } 2076d79b6df6SOr Gerlitz 2077d79b6df6SOr Gerlitz err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); 2078d79b6df6SOr Gerlitz if (err) 2079d79b6df6SOr Gerlitz goto out_err; 2080d79b6df6SOr Gerlitz 2081e98bedf5SEli Britstein err = offload_pedit_fields(masks, vals, parse_attr, extack); 2082d79b6df6SOr Gerlitz if (err < 0) 2083d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2084d79b6df6SOr Gerlitz 2085d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2086d79b6df6SOr Gerlitz cmd_masks = &masks[cmd]; 2087d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2088e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2089e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2090b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2091d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2092d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2093d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2094d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2095d79b6df6SOr Gerlitz } 2096d79b6df6SOr Gerlitz } 2097d79b6df6SOr Gerlitz 2098d79b6df6SOr Gerlitz return 0; 2099d79b6df6SOr Gerlitz 2100d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2101d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2102d79b6df6SOr Gerlitz out_err: 2103d79b6df6SOr Gerlitz return err; 2104d79b6df6SOr Gerlitz } 2105d79b6df6SOr Gerlitz 2106e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2107e98bedf5SEli Britstein u32 action, 2108e98bedf5SEli Britstein u32 update_flags, 2109e98bedf5SEli Britstein struct netlink_ext_ack *extack) 211026c02749SOr Gerlitz { 211126c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 211226c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 211326c02749SOr Gerlitz 211426c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 211526c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2116e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2117e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 211826c02749SOr Gerlitz netdev_warn(priv->netdev, 211926c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 212026c02749SOr Gerlitz return false; 212126c02749SOr Gerlitz } 212226c02749SOr Gerlitz 212326c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2124e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2125e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 212626c02749SOr Gerlitz netdev_warn(priv->netdev, 212726c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 212826c02749SOr Gerlitz update_flags); 212926c02749SOr Gerlitz return false; 213026c02749SOr Gerlitz } 213126c02749SOr Gerlitz 213226c02749SOr Gerlitz return true; 213326c02749SOr Gerlitz } 213426c02749SOr Gerlitz 2135bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 2136e98bedf5SEli Britstein struct tcf_exts *exts, 2137e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2138bdd66ac0SOr Gerlitz { 2139bdd66ac0SOr Gerlitz const struct tc_action *a; 2140bdd66ac0SOr Gerlitz bool modify_ip_header; 2141bdd66ac0SOr Gerlitz LIST_HEAD(actions); 2142bdd66ac0SOr Gerlitz u8 htype, ip_proto; 2143bdd66ac0SOr Gerlitz void *headers_v; 2144bdd66ac0SOr Gerlitz u16 ethertype; 2145bdd66ac0SOr Gerlitz int nkeys, i; 2146bdd66ac0SOr Gerlitz 2147bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2148bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2149bdd66ac0SOr Gerlitz 2150bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2151bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2152bdd66ac0SOr Gerlitz goto out_ok; 2153bdd66ac0SOr Gerlitz 2154bdd66ac0SOr Gerlitz modify_ip_header = false; 2155244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 2156244cd96aSCong Wang int k; 2157244cd96aSCong Wang 2158bdd66ac0SOr Gerlitz if (!is_tcf_pedit(a)) 2159bdd66ac0SOr Gerlitz continue; 2160bdd66ac0SOr Gerlitz 2161bdd66ac0SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2162244cd96aSCong Wang for (k = 0; k < nkeys; k++) { 2163244cd96aSCong Wang htype = tcf_pedit_htype(a, k); 2164bdd66ac0SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP4 || 2165bdd66ac0SOr Gerlitz htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP6) { 2166bdd66ac0SOr Gerlitz modify_ip_header = true; 2167bdd66ac0SOr Gerlitz break; 2168bdd66ac0SOr Gerlitz } 2169bdd66ac0SOr Gerlitz } 2170bdd66ac0SOr Gerlitz } 2171bdd66ac0SOr Gerlitz 2172bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 21731ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 21741ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2175e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2176e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2177bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2178bdd66ac0SOr Gerlitz return false; 2179bdd66ac0SOr Gerlitz } 2180bdd66ac0SOr Gerlitz 2181bdd66ac0SOr Gerlitz out_ok: 2182bdd66ac0SOr Gerlitz return true; 2183bdd66ac0SOr Gerlitz } 2184bdd66ac0SOr Gerlitz 2185bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 2186bdd66ac0SOr Gerlitz struct tcf_exts *exts, 2187bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2188e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2189e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2190bdd66ac0SOr Gerlitz { 2191bdd66ac0SOr Gerlitz u32 actions; 2192bdd66ac0SOr Gerlitz 2193bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2194bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2195bdd66ac0SOr Gerlitz else 2196bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2197bdd66ac0SOr Gerlitz 21987e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 21997e29392eSRoi Dayan !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) 22007e29392eSRoi Dayan return false; 22017e29392eSRoi Dayan 2202bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 2203e98bedf5SEli Britstein return modify_header_match_supported(&parse_attr->spec, exts, 2204e98bedf5SEli Britstein extack); 2205bdd66ac0SOr Gerlitz 2206bdd66ac0SOr Gerlitz return true; 2207bdd66ac0SOr Gerlitz } 2208bdd66ac0SOr Gerlitz 22095c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 22105c65c564SOr Gerlitz { 22115c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2212816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 22135c65c564SOr Gerlitz 22145c65c564SOr Gerlitz fmdev = priv->mdev; 22155c65c564SOr Gerlitz pmdev = peer_priv->mdev; 22165c65c564SOr Gerlitz 221759c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 221859c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 22195c65c564SOr Gerlitz 2220816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 22215c65c564SOr Gerlitz } 22225c65c564SOr Gerlitz 22235c40348cSOr Gerlitz static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2224aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2225e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2226e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2227e3a2b7edSAmir Vadai { 2228aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 2229e3a2b7edSAmir Vadai const struct tc_action *a; 223022dc13c8SWANG Cong LIST_HEAD(actions); 22311cab1cd7SOr Gerlitz u32 action = 0; 2232244cd96aSCong Wang int err, i; 2233e3a2b7edSAmir Vadai 22343bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 2235e3a2b7edSAmir Vadai return -EINVAL; 2236e3a2b7edSAmir Vadai 22373bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2238e3a2b7edSAmir Vadai 2239244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 2240e3a2b7edSAmir Vadai if (is_tcf_gact_shot(a)) { 22411cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2242aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2243aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 22441cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2245e3a2b7edSAmir Vadai continue; 2246e3a2b7edSAmir Vadai } 2247e3a2b7edSAmir Vadai 22482f4fe4caSOr Gerlitz if (is_tcf_pedit(a)) { 22492f4fe4caSOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_KERNEL, 2250e98bedf5SEli Britstein parse_attr, extack); 22512f4fe4caSOr Gerlitz if (err) 22522f4fe4caSOr Gerlitz return err; 22532f4fe4caSOr Gerlitz 22541cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 22552f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 22562f4fe4caSOr Gerlitz continue; 22572f4fe4caSOr Gerlitz } 22582f4fe4caSOr Gerlitz 225926c02749SOr Gerlitz if (is_tcf_csum(a)) { 22601cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 2261e98bedf5SEli Britstein tcf_csum_update_flags(a), 2262e98bedf5SEli Britstein extack)) 226326c02749SOr Gerlitz continue; 226426c02749SOr Gerlitz 226526c02749SOr Gerlitz return -EOPNOTSUPP; 226626c02749SOr Gerlitz } 226726c02749SOr Gerlitz 22685c65c564SOr Gerlitz if (is_tcf_mirred_egress_redirect(a)) { 22695c65c564SOr Gerlitz struct net_device *peer_dev = tcf_mirred_dev(a); 22705c65c564SOr Gerlitz 22715c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 22725c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 22735c65c564SOr Gerlitz parse_attr->mirred_ifindex = peer_dev->ifindex; 22745c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 22751cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 22765c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 22775c65c564SOr Gerlitz } else { 2278e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2279e98bedf5SEli Britstein "device is not on same HW, can't offload"); 22805c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 22815c65c564SOr Gerlitz peer_dev->name); 22825c65c564SOr Gerlitz return -EINVAL; 22835c65c564SOr Gerlitz } 22845c65c564SOr Gerlitz continue; 22855c65c564SOr Gerlitz } 22865c65c564SOr Gerlitz 2287e3a2b7edSAmir Vadai if (is_tcf_skbedit_mark(a)) { 2288e3a2b7edSAmir Vadai u32 mark = tcf_skbedit_mark(a); 2289e3a2b7edSAmir Vadai 2290e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2291e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2292e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2293e3a2b7edSAmir Vadai return -EINVAL; 2294e3a2b7edSAmir Vadai } 2295e3a2b7edSAmir Vadai 22963bc4b7bfSOr Gerlitz attr->flow_tag = mark; 22971cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2298e3a2b7edSAmir Vadai continue; 2299e3a2b7edSAmir Vadai } 2300e3a2b7edSAmir Vadai 2301e3a2b7edSAmir Vadai return -EINVAL; 2302e3a2b7edSAmir Vadai } 2303e3a2b7edSAmir Vadai 23041cab1cd7SOr Gerlitz attr->action = action; 2305e98bedf5SEli Britstein if (!actions_match_supported(priv, exts, parse_attr, flow, extack)) 2306bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2307bdd66ac0SOr Gerlitz 2308e3a2b7edSAmir Vadai return 0; 2309e3a2b7edSAmir Vadai } 2310e3a2b7edSAmir Vadai 231176f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 231276f7444dSOr Gerlitz struct ip_tunnel_key *b) 2313a54e20b4SHadar Hen Zion { 2314a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2315a54e20b4SHadar Hen Zion } 2316a54e20b4SHadar Hen Zion 231776f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2318a54e20b4SHadar Hen Zion { 231976f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2320a54e20b4SHadar Hen Zion } 2321a54e20b4SHadar Hen Zion 2322a54e20b4SHadar Hen Zion static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, 2323a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 2324a54e20b4SHadar Hen Zion struct net_device **out_dev, 2325a54e20b4SHadar Hen Zion struct flowi4 *fl4, 2326a54e20b4SHadar Hen Zion struct neighbour **out_n, 23276360cd62SOr Gerlitz u8 *out_ttl) 2328a54e20b4SHadar Hen Zion { 23293e621b19SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 23305ed99fb4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv; 2331a54e20b4SHadar Hen Zion struct rtable *rt; 2332a54e20b4SHadar Hen Zion struct neighbour *n = NULL; 2333a54e20b4SHadar Hen Zion 2334a54e20b4SHadar Hen Zion #if IS_ENABLED(CONFIG_INET) 2335abeffce9SArnd Bergmann int ret; 2336abeffce9SArnd Bergmann 2337a54e20b4SHadar Hen Zion rt = ip_route_output_key(dev_net(mirred_dev), fl4); 2338abeffce9SArnd Bergmann ret = PTR_ERR_OR_ZERO(rt); 2339abeffce9SArnd Bergmann if (ret) 2340abeffce9SArnd Bergmann return ret; 2341a54e20b4SHadar Hen Zion #else 2342a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2343a54e20b4SHadar Hen Zion #endif 2344a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23453e621b19SHadar Hen Zion /* if the egress device isn't on the same HW e-switch, we use the uplink */ 23463e621b19SHadar Hen Zion if (!switchdev_port_same_parent_id(priv->netdev, rt->dst.dev)) 23475ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 23483e621b19SHadar Hen Zion else 23493e621b19SHadar Hen Zion *out_dev = rt->dst.dev; 2350a54e20b4SHadar Hen Zion 23516360cd62SOr Gerlitz if (!(*out_ttl)) 235275c33da8SOr Gerlitz *out_ttl = ip4_dst_hoplimit(&rt->dst); 2353a54e20b4SHadar Hen Zion n = dst_neigh_lookup(&rt->dst, &fl4->daddr); 2354a54e20b4SHadar Hen Zion ip_rt_put(rt); 2355a54e20b4SHadar Hen Zion if (!n) 2356a54e20b4SHadar Hen Zion return -ENOMEM; 2357a54e20b4SHadar Hen Zion 2358a54e20b4SHadar Hen Zion *out_n = n; 2359a54e20b4SHadar Hen Zion return 0; 2360a54e20b4SHadar Hen Zion } 2361a54e20b4SHadar Hen Zion 2362b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2363b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2364b1d90e6bSRabie Loulou { 2365b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2366b1d90e6bSRabie Loulou 2367b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2368b1d90e6bSRabie Loulou 2369b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 2370b1d90e6bSRabie Loulou (priv->netdev->netdev_ops == peer_netdev->netdev_ops) && 2371b1d90e6bSRabie Loulou same_hw_devs(priv, peer_priv) && 2372b1d90e6bSRabie Loulou MLX5_VPORT_MANAGER(peer_priv->mdev) && 2373b1d90e6bSRabie Loulou (peer_priv->mdev->priv.eswitch->mode == SRIOV_OFFLOADS)); 2374b1d90e6bSRabie Loulou } 2375b1d90e6bSRabie Loulou 2376ce99f6b9SOr Gerlitz static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, 2377ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 2378ce99f6b9SOr Gerlitz struct net_device **out_dev, 2379ce99f6b9SOr Gerlitz struct flowi6 *fl6, 2380ce99f6b9SOr Gerlitz struct neighbour **out_n, 23816360cd62SOr Gerlitz u8 *out_ttl) 2382ce99f6b9SOr Gerlitz { 2383ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2384ce99f6b9SOr Gerlitz struct dst_entry *dst; 2385ce99f6b9SOr Gerlitz 2386ce99f6b9SOr Gerlitz #if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6) 238774bd5d56SArnd Bergmann struct mlx5e_rep_priv *uplink_rpriv; 2388ce99f6b9SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2389ce99f6b9SOr Gerlitz int ret; 2390ce99f6b9SOr Gerlitz 239108820528SPaul Blakey ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst, 239208820528SPaul Blakey fl6); 239308820528SPaul Blakey if (ret < 0) 2394ce99f6b9SOr Gerlitz return ret; 2395ce99f6b9SOr Gerlitz 23966360cd62SOr Gerlitz if (!(*out_ttl)) 2397ce99f6b9SOr Gerlitz *out_ttl = ip6_dst_hoplimit(dst); 2398ce99f6b9SOr Gerlitz 2399a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2400ce99f6b9SOr Gerlitz /* if the egress device isn't on the same HW e-switch, we use the uplink */ 2401ce99f6b9SOr Gerlitz if (!switchdev_port_same_parent_id(priv->netdev, dst->dev)) 24025ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 2403ce99f6b9SOr Gerlitz else 2404ce99f6b9SOr Gerlitz *out_dev = dst->dev; 2405ce99f6b9SOr Gerlitz #else 2406ce99f6b9SOr Gerlitz return -EOPNOTSUPP; 2407ce99f6b9SOr Gerlitz #endif 2408ce99f6b9SOr Gerlitz 2409ce99f6b9SOr Gerlitz n = dst_neigh_lookup(dst, &fl6->daddr); 2410ce99f6b9SOr Gerlitz dst_release(dst); 2411ce99f6b9SOr Gerlitz if (!n) 2412ce99f6b9SOr Gerlitz return -ENOMEM; 2413ce99f6b9SOr Gerlitz 2414ce99f6b9SOr Gerlitz *out_n = n; 2415ce99f6b9SOr Gerlitz return 0; 2416ce99f6b9SOr Gerlitz } 2417ce99f6b9SOr Gerlitz 241832f3671fSOr Gerlitz static void gen_vxlan_header_ipv4(struct net_device *out_dev, 241932f3671fSOr Gerlitz char buf[], int encap_size, 2420a54e20b4SHadar Hen Zion unsigned char h_dest[ETH_ALEN], 2421f35f800dSOr Gerlitz u8 tos, u8 ttl, 2422a54e20b4SHadar Hen Zion __be32 daddr, 2423a54e20b4SHadar Hen Zion __be32 saddr, 2424a54e20b4SHadar Hen Zion __be16 udp_dst_port, 2425a54e20b4SHadar Hen Zion __be32 vx_vni) 2426a54e20b4SHadar Hen Zion { 2427a54e20b4SHadar Hen Zion struct ethhdr *eth = (struct ethhdr *)buf; 2428a54e20b4SHadar Hen Zion struct iphdr *ip = (struct iphdr *)((char *)eth + sizeof(struct ethhdr)); 2429a54e20b4SHadar Hen Zion struct udphdr *udp = (struct udphdr *)((char *)ip + sizeof(struct iphdr)); 2430a54e20b4SHadar Hen Zion struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2431a54e20b4SHadar Hen Zion 2432a54e20b4SHadar Hen Zion memset(buf, 0, encap_size); 2433a54e20b4SHadar Hen Zion 2434a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_dest, h_dest); 2435a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_source, out_dev->dev_addr); 2436a54e20b4SHadar Hen Zion eth->h_proto = htons(ETH_P_IP); 2437a54e20b4SHadar Hen Zion 2438a54e20b4SHadar Hen Zion ip->daddr = daddr; 2439a54e20b4SHadar Hen Zion ip->saddr = saddr; 2440a54e20b4SHadar Hen Zion 2441f35f800dSOr Gerlitz ip->tos = tos; 2442a54e20b4SHadar Hen Zion ip->ttl = ttl; 2443a54e20b4SHadar Hen Zion ip->protocol = IPPROTO_UDP; 2444a54e20b4SHadar Hen Zion ip->version = 0x4; 2445a54e20b4SHadar Hen Zion ip->ihl = 0x5; 2446a54e20b4SHadar Hen Zion 2447a54e20b4SHadar Hen Zion udp->dest = udp_dst_port; 2448a54e20b4SHadar Hen Zion vxh->vx_flags = VXLAN_HF_VNI; 2449a54e20b4SHadar Hen Zion vxh->vx_vni = vxlan_vni_field(vx_vni); 2450a54e20b4SHadar Hen Zion } 2451a54e20b4SHadar Hen Zion 2452225aabafSOr Gerlitz static void gen_vxlan_header_ipv6(struct net_device *out_dev, 2453225aabafSOr Gerlitz char buf[], int encap_size, 2454ce99f6b9SOr Gerlitz unsigned char h_dest[ETH_ALEN], 2455f35f800dSOr Gerlitz u8 tos, u8 ttl, 2456ce99f6b9SOr Gerlitz struct in6_addr *daddr, 2457ce99f6b9SOr Gerlitz struct in6_addr *saddr, 2458ce99f6b9SOr Gerlitz __be16 udp_dst_port, 2459ce99f6b9SOr Gerlitz __be32 vx_vni) 2460ce99f6b9SOr Gerlitz { 2461ce99f6b9SOr Gerlitz struct ethhdr *eth = (struct ethhdr *)buf; 2462ce99f6b9SOr Gerlitz struct ipv6hdr *ip6h = (struct ipv6hdr *)((char *)eth + sizeof(struct ethhdr)); 2463ce99f6b9SOr Gerlitz struct udphdr *udp = (struct udphdr *)((char *)ip6h + sizeof(struct ipv6hdr)); 2464ce99f6b9SOr Gerlitz struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2465ce99f6b9SOr Gerlitz 2466ce99f6b9SOr Gerlitz memset(buf, 0, encap_size); 2467ce99f6b9SOr Gerlitz 2468ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_dest, h_dest); 2469ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_source, out_dev->dev_addr); 2470ce99f6b9SOr Gerlitz eth->h_proto = htons(ETH_P_IPV6); 2471ce99f6b9SOr Gerlitz 2472f35f800dSOr Gerlitz ip6_flow_hdr(ip6h, tos, 0); 2473ce99f6b9SOr Gerlitz /* the HW fills up ipv6 payload len */ 2474ce99f6b9SOr Gerlitz ip6h->nexthdr = IPPROTO_UDP; 2475ce99f6b9SOr Gerlitz ip6h->hop_limit = ttl; 2476ce99f6b9SOr Gerlitz ip6h->daddr = *daddr; 2477ce99f6b9SOr Gerlitz ip6h->saddr = *saddr; 2478ce99f6b9SOr Gerlitz 2479ce99f6b9SOr Gerlitz udp->dest = udp_dst_port; 2480ce99f6b9SOr Gerlitz vxh->vx_flags = VXLAN_HF_VNI; 2481ce99f6b9SOr Gerlitz vxh->vx_vni = vxlan_vni_field(vx_vni); 2482ce99f6b9SOr Gerlitz } 2483ce99f6b9SOr Gerlitz 2484a54e20b4SHadar Hen Zion static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, 2485a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 24861a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2487a54e20b4SHadar Hen Zion { 2488a54e20b4SHadar Hen Zion int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 248932f3671fSOr Gerlitz int ipv4_encap_size = ETH_HLEN + sizeof(struct iphdr) + VXLAN_HLEN; 249076f7444dSOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 24911a8552bdSHadar Hen Zion struct net_device *out_dev; 2492a42485ebSOr Gerlitz struct neighbour *n = NULL; 2493a54e20b4SHadar Hen Zion struct flowi4 fl4 = {}; 2494f35f800dSOr Gerlitz u8 nud_state, tos, ttl; 2495a54e20b4SHadar Hen Zion char *encap_header; 24966360cd62SOr Gerlitz int err; 2497a54e20b4SHadar Hen Zion 249832f3671fSOr Gerlitz if (max_encap_size < ipv4_encap_size) { 249932f3671fSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 250032f3671fSOr Gerlitz ipv4_encap_size, max_encap_size); 250132f3671fSOr Gerlitz return -EOPNOTSUPP; 250232f3671fSOr Gerlitz } 250332f3671fSOr Gerlitz 250432f3671fSOr Gerlitz encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL); 2505a54e20b4SHadar Hen Zion if (!encap_header) 2506a54e20b4SHadar Hen Zion return -ENOMEM; 2507a54e20b4SHadar Hen Zion 2508a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 250960786f09SMark Bloch case MLX5_REFORMAT_TYPE_L2_TO_VXLAN: 2510a54e20b4SHadar Hen Zion fl4.flowi4_proto = IPPROTO_UDP; 251176f7444dSOr Gerlitz fl4.fl4_dport = tun_key->tp_dst; 2512a54e20b4SHadar Hen Zion break; 2513a54e20b4SHadar Hen Zion default: 2514a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2515ace74321SPaul Blakey goto free_encap; 2516a54e20b4SHadar Hen Zion } 25176360cd62SOr Gerlitz 2518f35f800dSOr Gerlitz tos = tun_key->tos; 2519f35f800dSOr Gerlitz ttl = tun_key->ttl; 25206360cd62SOr Gerlitz 25219a941117SOr Gerlitz fl4.flowi4_tos = tun_key->tos; 252276f7444dSOr Gerlitz fl4.daddr = tun_key->u.ipv4.dst; 25239a941117SOr Gerlitz fl4.saddr = tun_key->u.ipv4.src; 2524a54e20b4SHadar Hen Zion 25251a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv4(priv, mirred_dev, &out_dev, 25269a941117SOr Gerlitz &fl4, &n, &ttl); 2527a54e20b4SHadar Hen Zion if (err) 2528ace74321SPaul Blakey goto free_encap; 2529a54e20b4SHadar Hen Zion 2530232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2531232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2532232c0013SHadar Hen Zion */ 2533232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2534f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2535232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2536232c0013SHadar Hen Zion e->out_dev = out_dev; 2537232c0013SHadar Hen Zion 2538232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2539232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2540232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2541232c0013SHadar Hen Zion * in the hash. 2542232c0013SHadar Hen Zion */ 2543232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2544232c0013SHadar Hen Zion if (err) 2545ace74321SPaul Blakey goto free_encap; 2546232c0013SHadar Hen Zion 2547033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2548033354d5SHadar Hen Zion nud_state = n->nud_state; 2549033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2550033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2551033354d5SHadar Hen Zion 2552a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 255360786f09SMark Bloch case MLX5_REFORMAT_TYPE_L2_TO_VXLAN: 25541a8552bdSHadar Hen Zion gen_vxlan_header_ipv4(out_dev, encap_header, 2555f35f800dSOr Gerlitz ipv4_encap_size, e->h_dest, tos, ttl, 25569a941117SOr Gerlitz fl4.daddr, 25579a941117SOr Gerlitz fl4.saddr, tun_key->tp_dst, 255876f7444dSOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2559a54e20b4SHadar Hen Zion break; 2560a54e20b4SHadar Hen Zion default: 2561a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2562232c0013SHadar Hen Zion goto destroy_neigh_entry; 2563232c0013SHadar Hen Zion } 2564232c0013SHadar Hen Zion e->encap_size = ipv4_encap_size; 2565232c0013SHadar Hen Zion e->encap_header = encap_header; 2566232c0013SHadar Hen Zion 2567232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2568232c0013SHadar Hen Zion neigh_event_send(n, NULL); 256927902f08SWei Yongjun err = -EAGAIN; 257027902f08SWei Yongjun goto out; 2571a54e20b4SHadar Hen Zion } 2572a54e20b4SHadar Hen Zion 257360786f09SMark Bloch err = mlx5_packet_reformat_alloc(priv->mdev, e->tunnel_type, 257460786f09SMark Bloch ipv4_encap_size, encap_header, 257531ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 257660786f09SMark Bloch &e->encap_id); 2577232c0013SHadar Hen Zion if (err) 2578232c0013SHadar Hen Zion goto destroy_neigh_entry; 2579232c0013SHadar Hen Zion 2580232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2581f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2582a42485ebSOr Gerlitz neigh_release(n); 2583232c0013SHadar Hen Zion return err; 2584232c0013SHadar Hen Zion 2585232c0013SHadar Hen Zion destroy_neigh_entry: 2586232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2587ace74321SPaul Blakey free_encap: 2588a54e20b4SHadar Hen Zion kfree(encap_header); 2589ace74321SPaul Blakey out: 2590232c0013SHadar Hen Zion if (n) 2591232c0013SHadar Hen Zion neigh_release(n); 2592a54e20b4SHadar Hen Zion return err; 2593a54e20b4SHadar Hen Zion } 2594a54e20b4SHadar Hen Zion 2595ce99f6b9SOr Gerlitz static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv, 2596ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 25971a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2598ce99f6b9SOr Gerlitz { 2599ce99f6b9SOr Gerlitz int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 2600225aabafSOr Gerlitz int ipv6_encap_size = ETH_HLEN + sizeof(struct ipv6hdr) + VXLAN_HLEN; 2601ce99f6b9SOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 26021a8552bdSHadar Hen Zion struct net_device *out_dev; 2603ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2604ce99f6b9SOr Gerlitz struct flowi6 fl6 = {}; 2605f35f800dSOr Gerlitz u8 nud_state, tos, ttl; 2606ce99f6b9SOr Gerlitz char *encap_header; 26076360cd62SOr Gerlitz int err; 2608ce99f6b9SOr Gerlitz 2609225aabafSOr Gerlitz if (max_encap_size < ipv6_encap_size) { 2610225aabafSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 2611225aabafSOr Gerlitz ipv6_encap_size, max_encap_size); 2612225aabafSOr Gerlitz return -EOPNOTSUPP; 2613225aabafSOr Gerlitz } 2614225aabafSOr Gerlitz 2615225aabafSOr Gerlitz encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL); 2616ce99f6b9SOr Gerlitz if (!encap_header) 2617ce99f6b9SOr Gerlitz return -ENOMEM; 2618ce99f6b9SOr Gerlitz 2619ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 262060786f09SMark Bloch case MLX5_REFORMAT_TYPE_L2_TO_VXLAN: 2621ce99f6b9SOr Gerlitz fl6.flowi6_proto = IPPROTO_UDP; 2622ce99f6b9SOr Gerlitz fl6.fl6_dport = tun_key->tp_dst; 2623ce99f6b9SOr Gerlitz break; 2624ce99f6b9SOr Gerlitz default: 2625ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2626ace74321SPaul Blakey goto free_encap; 2627ce99f6b9SOr Gerlitz } 2628ce99f6b9SOr Gerlitz 2629f35f800dSOr Gerlitz tos = tun_key->tos; 2630f35f800dSOr Gerlitz ttl = tun_key->ttl; 26316360cd62SOr Gerlitz 2632ce99f6b9SOr Gerlitz fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label); 2633ce99f6b9SOr Gerlitz fl6.daddr = tun_key->u.ipv6.dst; 2634ce99f6b9SOr Gerlitz fl6.saddr = tun_key->u.ipv6.src; 2635ce99f6b9SOr Gerlitz 26361a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv6(priv, mirred_dev, &out_dev, 2637ce99f6b9SOr Gerlitz &fl6, &n, &ttl); 2638ce99f6b9SOr Gerlitz if (err) 2639ace74321SPaul Blakey goto free_encap; 2640ce99f6b9SOr Gerlitz 2641232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2642232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2643232c0013SHadar Hen Zion */ 2644232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2645f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2646232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2647232c0013SHadar Hen Zion e->out_dev = out_dev; 2648232c0013SHadar Hen Zion 2649232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2650232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2651232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2652232c0013SHadar Hen Zion * in the hash. 2653232c0013SHadar Hen Zion */ 2654232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2655232c0013SHadar Hen Zion if (err) 2656ace74321SPaul Blakey goto free_encap; 2657232c0013SHadar Hen Zion 2658033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2659033354d5SHadar Hen Zion nud_state = n->nud_state; 2660033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2661033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2662033354d5SHadar Hen Zion 2663ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 266460786f09SMark Bloch case MLX5_REFORMAT_TYPE_L2_TO_VXLAN: 26651a8552bdSHadar Hen Zion gen_vxlan_header_ipv6(out_dev, encap_header, 2666f35f800dSOr Gerlitz ipv6_encap_size, e->h_dest, tos, ttl, 2667ce99f6b9SOr Gerlitz &fl6.daddr, 2668ce99f6b9SOr Gerlitz &fl6.saddr, tun_key->tp_dst, 2669ce99f6b9SOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2670ce99f6b9SOr Gerlitz break; 2671ce99f6b9SOr Gerlitz default: 2672ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2673232c0013SHadar Hen Zion goto destroy_neigh_entry; 2674232c0013SHadar Hen Zion } 2675232c0013SHadar Hen Zion 2676232c0013SHadar Hen Zion e->encap_size = ipv6_encap_size; 2677232c0013SHadar Hen Zion e->encap_header = encap_header; 2678232c0013SHadar Hen Zion 2679232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2680232c0013SHadar Hen Zion neigh_event_send(n, NULL); 268127902f08SWei Yongjun err = -EAGAIN; 268227902f08SWei Yongjun goto out; 2683ce99f6b9SOr Gerlitz } 2684ce99f6b9SOr Gerlitz 268560786f09SMark Bloch err = mlx5_packet_reformat_alloc(priv->mdev, e->tunnel_type, 268660786f09SMark Bloch ipv6_encap_size, encap_header, 268731ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 268860786f09SMark Bloch &e->encap_id); 2689232c0013SHadar Hen Zion if (err) 2690232c0013SHadar Hen Zion goto destroy_neigh_entry; 2691232c0013SHadar Hen Zion 2692232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2693f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2694ce99f6b9SOr Gerlitz neigh_release(n); 2695232c0013SHadar Hen Zion return err; 2696232c0013SHadar Hen Zion 2697232c0013SHadar Hen Zion destroy_neigh_entry: 2698232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2699ace74321SPaul Blakey free_encap: 2700ce99f6b9SOr Gerlitz kfree(encap_header); 2701ace74321SPaul Blakey out: 2702232c0013SHadar Hen Zion if (n) 2703232c0013SHadar Hen Zion neigh_release(n); 2704ce99f6b9SOr Gerlitz return err; 2705ce99f6b9SOr Gerlitz } 2706ce99f6b9SOr Gerlitz 2707f5bc2c5dSOz Shlomo bool mlx5e_tc_tun_device_to_offload(struct mlx5e_priv *priv, 2708f5bc2c5dSOz Shlomo struct net_device *netdev) 2709f5bc2c5dSOz Shlomo { 2710f5bc2c5dSOz Shlomo if (netif_is_vxlan(netdev) && 2711f5bc2c5dSOz Shlomo MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) 2712f5bc2c5dSOz Shlomo return true; 2713f5bc2c5dSOz Shlomo 2714f5bc2c5dSOz Shlomo return false; 2715f5bc2c5dSOz Shlomo } 2716f5bc2c5dSOz Shlomo 2717a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2718a54e20b4SHadar Hen Zion struct ip_tunnel_info *tun_info, 2719a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 272045247bf2SOr Gerlitz struct net_device **encap_dev, 2721e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2722e98bedf5SEli Britstein struct netlink_ext_ack *extack) 272303a9d11eSOr Gerlitz { 2724a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2725a54e20b4SHadar Hen Zion unsigned short family = ip_tunnel_info_af(tun_info); 272645247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2727a54e20b4SHadar Hen Zion struct ip_tunnel_key *key = &tun_info->key; 2728c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 272945247bf2SOr Gerlitz int tunnel_type, err = 0; 2730a54e20b4SHadar Hen Zion uintptr_t hash_key; 2731a54e20b4SHadar Hen Zion bool found = false; 2732a54e20b4SHadar Hen Zion 27332fcd82e9SOr Gerlitz /* udp dst port must be set */ 2734a54e20b4SHadar Hen Zion if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst))) 27352fcd82e9SOr Gerlitz goto vxlan_encap_offload_err; 2736a54e20b4SHadar Hen Zion 2737cd377663SOr Gerlitz /* setting udp src port isn't supported */ 27382fcd82e9SOr Gerlitz if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) { 27392fcd82e9SOr Gerlitz vxlan_encap_offload_err: 2740e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2741e98bedf5SEli Britstein "must set udp dst port and not set udp src port"); 27422fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 27432fcd82e9SOr Gerlitz "must set udp dst port and not set udp src port\n"); 2744cd377663SOr Gerlitz return -EOPNOTSUPP; 27452fcd82e9SOr Gerlitz } 2746cd377663SOr Gerlitz 2747a3e67366SSaeed Mahameed if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, be16_to_cpu(key->tp_dst)) && 2748a54e20b4SHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { 274960786f09SMark Bloch tunnel_type = MLX5_REFORMAT_TYPE_L2_TO_VXLAN; 2750a54e20b4SHadar Hen Zion } else { 2751e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2752e98bedf5SEli Britstein "port isn't an offloaded vxlan udp dport"); 27532fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 27542fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->tp_dst)); 2755a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2756a54e20b4SHadar Hen Zion } 2757a54e20b4SHadar Hen Zion 275876f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2759a54e20b4SHadar Hen Zion 2760a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2761a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 276276f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2763a54e20b4SHadar Hen Zion found = true; 2764a54e20b4SHadar Hen Zion break; 2765a54e20b4SHadar Hen Zion } 2766a54e20b4SHadar Hen Zion } 2767a54e20b4SHadar Hen Zion 2768b2812089SVlad Buslov /* must verify if encap is valid or not */ 276945247bf2SOr Gerlitz if (found) 277045247bf2SOr Gerlitz goto attach_flow; 2771a54e20b4SHadar Hen Zion 2772a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2773a54e20b4SHadar Hen Zion if (!e) 2774a54e20b4SHadar Hen Zion return -ENOMEM; 2775a54e20b4SHadar Hen Zion 277676f7444dSOr Gerlitz e->tun_info = *tun_info; 2777a54e20b4SHadar Hen Zion e->tunnel_type = tunnel_type; 2778a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2779a54e20b4SHadar Hen Zion 2780ce99f6b9SOr Gerlitz if (family == AF_INET) 27811a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv4(priv, mirred_dev, e); 2782ce99f6b9SOr Gerlitz else if (family == AF_INET6) 27831a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv6(priv, mirred_dev, e); 2784ce99f6b9SOr Gerlitz 2785232c0013SHadar Hen Zion if (err && err != -EAGAIN) 2786a54e20b4SHadar Hen Zion goto out_err; 2787a54e20b4SHadar Hen Zion 2788a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2789a54e20b4SHadar Hen Zion 279045247bf2SOr Gerlitz attach_flow: 279145247bf2SOr Gerlitz list_add(&flow->encap, &e->flows); 279245247bf2SOr Gerlitz *encap_dev = e->out_dev; 2793232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 279445247bf2SOr Gerlitz attr->encap_id = e->encap_id; 2795b2812089SVlad Buslov else 2796b2812089SVlad Buslov err = -EAGAIN; 279745247bf2SOr Gerlitz 2798232c0013SHadar Hen Zion return err; 2799a54e20b4SHadar Hen Zion 2800a54e20b4SHadar Hen Zion out_err: 2801a54e20b4SHadar Hen Zion kfree(e); 2802a54e20b4SHadar Hen Zion return err; 2803a54e20b4SHadar Hen Zion } 2804a54e20b4SHadar Hen Zion 28051482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 28061482bd3dSJianbo Liu const struct tc_action *a, 28071482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 28081482bd3dSJianbo Liu u32 *action) 28091482bd3dSJianbo Liu { 2810cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2811cc495188SJianbo Liu 2812cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 28131482bd3dSJianbo Liu return -EOPNOTSUPP; 2814cc495188SJianbo Liu 2815cc495188SJianbo Liu if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { 2816cc495188SJianbo Liu if (vlan_idx) { 2817cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2818cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2819cc495188SJianbo Liu return -EOPNOTSUPP; 2820cc495188SJianbo Liu 2821cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2822cc495188SJianbo Liu } else { 2823cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2824cc495188SJianbo Liu } 2825cc495188SJianbo Liu } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { 2826cc495188SJianbo Liu attr->vlan_vid[vlan_idx] = tcf_vlan_push_vid(a); 2827cc495188SJianbo Liu attr->vlan_prio[vlan_idx] = tcf_vlan_push_prio(a); 2828cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = tcf_vlan_push_proto(a); 2829cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2830cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2831cc495188SJianbo Liu 2832cc495188SJianbo Liu if (vlan_idx) { 2833cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2834cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2835cc495188SJianbo Liu return -EOPNOTSUPP; 2836cc495188SJianbo Liu 2837cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2838cc495188SJianbo Liu } else { 2839cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 2840cc495188SJianbo Liu (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || 2841cc495188SJianbo Liu tcf_vlan_push_prio(a))) 2842cc495188SJianbo Liu return -EOPNOTSUPP; 2843cc495188SJianbo Liu 2844cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 28451482bd3dSJianbo Liu } 28461482bd3dSJianbo Liu } else { /* action is TCA_VLAN_ACT_MODIFY */ 28471482bd3dSJianbo Liu return -EOPNOTSUPP; 28481482bd3dSJianbo Liu } 28491482bd3dSJianbo Liu 2850cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2851cc495188SJianbo Liu 28521482bd3dSJianbo Liu return 0; 28531482bd3dSJianbo Liu } 28541482bd3dSJianbo Liu 2855a54e20b4SHadar Hen Zion static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2856d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2857e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2858e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2859a54e20b4SHadar Hen Zion { 2860bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2861ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 28621d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 2863a54e20b4SHadar Hen Zion struct ip_tunnel_info *info = NULL; 286403a9d11eSOr Gerlitz const struct tc_action *a; 286522dc13c8SWANG Cong LIST_HEAD(actions); 2866a54e20b4SHadar Hen Zion bool encap = false; 28671cab1cd7SOr Gerlitz u32 action = 0; 2868244cd96aSCong Wang int err, i; 286903a9d11eSOr Gerlitz 28703bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 287103a9d11eSOr Gerlitz return -EINVAL; 287203a9d11eSOr Gerlitz 28731d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 287410ff5359SShahar Klein attr->in_mdev = priv->mdev; 287503a9d11eSOr Gerlitz 2876244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 287703a9d11eSOr Gerlitz if (is_tcf_gact_shot(a)) { 28781cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 287903a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 288003a9d11eSOr Gerlitz continue; 288103a9d11eSOr Gerlitz } 288203a9d11eSOr Gerlitz 2883d7e75a32SOr Gerlitz if (is_tcf_pedit(a)) { 2884d7e75a32SOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_FDB, 2885e98bedf5SEli Britstein parse_attr, extack); 2886d7e75a32SOr Gerlitz if (err) 2887d7e75a32SOr Gerlitz return err; 2888d7e75a32SOr Gerlitz 28891cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2890592d3651SChris Mi attr->mirror_count = attr->out_count; 2891d7e75a32SOr Gerlitz continue; 2892d7e75a32SOr Gerlitz } 2893d7e75a32SOr Gerlitz 289426c02749SOr Gerlitz if (is_tcf_csum(a)) { 28951cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 2896e98bedf5SEli Britstein tcf_csum_update_flags(a), 2897e98bedf5SEli Britstein extack)) 289826c02749SOr Gerlitz continue; 289926c02749SOr Gerlitz 290026c02749SOr Gerlitz return -EOPNOTSUPP; 290126c02749SOr Gerlitz } 290226c02749SOr Gerlitz 2903592d3651SChris Mi if (is_tcf_mirred_egress_redirect(a) || is_tcf_mirred_egress_mirror(a)) { 290403a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2905592d3651SChris Mi struct net_device *out_dev; 290603a9d11eSOr Gerlitz 29079f8a739eSCong Wang out_dev = tcf_mirred_dev(a); 290803a9d11eSOr Gerlitz 2909592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2910e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2911e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2912592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2913592d3651SChris Mi attr->out_count); 2914592d3651SChris Mi return -EOPNOTSUPP; 2915592d3651SChris Mi } 2916592d3651SChris Mi 2917a54e20b4SHadar Hen Zion if (switchdev_port_same_parent_id(priv->netdev, 2918b1d90e6bSRabie Loulou out_dev) || 2919b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 29201cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2921e37a79e5SMark Bloch MLX5_FLOW_CONTEXT_ACTION_COUNT; 292203a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 29231d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2924592d3651SChris Mi attr->out_rep[attr->out_count] = rpriv->rep; 2925592d3651SChris Mi attr->out_mdev[attr->out_count++] = out_priv->mdev; 2926a54e20b4SHadar Hen Zion } else if (encap) { 29279f8a739eSCong Wang parse_attr->mirred_ifindex = out_dev->ifindex; 29283c37745eSOr Gerlitz parse_attr->tun_info = *info; 29293c37745eSOr Gerlitz attr->parse_attr = parse_attr; 293060786f09SMark Bloch action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 2931a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2932a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_COUNT; 29333c37745eSOr Gerlitz /* attr->out_rep is resolved when we handle encap */ 2934a54e20b4SHadar Hen Zion } else { 2935e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2936e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2937a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2938a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2939a54e20b4SHadar Hen Zion return -EINVAL; 2940a54e20b4SHadar Hen Zion } 2941a54e20b4SHadar Hen Zion continue; 2942a54e20b4SHadar Hen Zion } 2943a54e20b4SHadar Hen Zion 2944a54e20b4SHadar Hen Zion if (is_tcf_tunnel_set(a)) { 2945a54e20b4SHadar Hen Zion info = tcf_tunnel_info(a); 2946a54e20b4SHadar Hen Zion if (info) 2947a54e20b4SHadar Hen Zion encap = true; 2948a54e20b4SHadar Hen Zion else 2949a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2950592d3651SChris Mi attr->mirror_count = attr->out_count; 295103a9d11eSOr Gerlitz continue; 295203a9d11eSOr Gerlitz } 295303a9d11eSOr Gerlitz 29548b32580dSOr Gerlitz if (is_tcf_vlan(a)) { 29551482bd3dSJianbo Liu err = parse_tc_vlan_action(priv, a, attr, &action); 29561482bd3dSJianbo Liu 29571482bd3dSJianbo Liu if (err) 29581482bd3dSJianbo Liu return err; 29591482bd3dSJianbo Liu 2960592d3651SChris Mi attr->mirror_count = attr->out_count; 29618b32580dSOr Gerlitz continue; 29628b32580dSOr Gerlitz } 29638b32580dSOr Gerlitz 2964bbd00f7eSHadar Hen Zion if (is_tcf_tunnel_release(a)) { 29651cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2966bbd00f7eSHadar Hen Zion continue; 2967bbd00f7eSHadar Hen Zion } 2968bbd00f7eSHadar Hen Zion 2969bf07aa73SPaul Blakey if (is_tcf_gact_goto_chain(a)) { 2970bf07aa73SPaul Blakey u32 dest_chain = tcf_gact_goto_chain_index(a); 2971bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2972bf07aa73SPaul Blakey 2973bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2974bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2975bf07aa73SPaul Blakey return -EOPNOTSUPP; 2976bf07aa73SPaul Blakey } 2977bf07aa73SPaul Blakey if (dest_chain > max_chain) { 2978bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 2979bf07aa73SPaul Blakey return -EOPNOTSUPP; 2980bf07aa73SPaul Blakey } 2981bf07aa73SPaul Blakey action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2982bf07aa73SPaul Blakey MLX5_FLOW_CONTEXT_ACTION_COUNT; 2983bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 2984bf07aa73SPaul Blakey 2985bf07aa73SPaul Blakey continue; 2986bf07aa73SPaul Blakey } 2987bf07aa73SPaul Blakey 298803a9d11eSOr Gerlitz return -EINVAL; 298903a9d11eSOr Gerlitz } 2990bdd66ac0SOr Gerlitz 29911cab1cd7SOr Gerlitz attr->action = action; 2992e98bedf5SEli Britstein if (!actions_match_supported(priv, exts, parse_attr, flow, extack)) 2993bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2994bdd66ac0SOr Gerlitz 29951392f44bSRoi Dayan if (attr->mirror_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 2996e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2997e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 2998592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 2999592d3651SChris Mi return -EOPNOTSUPP; 3000592d3651SChris Mi } 3001592d3651SChris Mi 300231c8eba5SOr Gerlitz return 0; 300303a9d11eSOr Gerlitz } 300403a9d11eSOr Gerlitz 30055dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 300660bd4af8SOr Gerlitz { 30075dbe906fSPaul Blakey u16 __flow_flags = 0; 300860bd4af8SOr Gerlitz 300960bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 301060bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 301160bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 301260bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 301360bd4af8SOr Gerlitz 301460bd4af8SOr Gerlitz *flow_flags = __flow_flags; 301560bd4af8SOr Gerlitz } 301660bd4af8SOr Gerlitz 301705866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 301805866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 301905866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 302005866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 302105866c82SOr Gerlitz .automatic_shrinking = true, 302205866c82SOr Gerlitz }; 302305866c82SOr Gerlitz 302405866c82SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv) 302505866c82SOr Gerlitz { 3026655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3027655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3028655dc3d2SOr Gerlitz 3029655dc3d2SOr Gerlitz if (MLX5_VPORT_MANAGER(priv->mdev) && esw->mode == SRIOV_OFFLOADS) { 3030655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3031ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3032655dc3d2SOr Gerlitz } else 303305866c82SOr Gerlitz return &priv->fs.tc.ht; 303405866c82SOr Gerlitz } 303505866c82SOr Gerlitz 3036a88780a9SRoi Dayan static int 3037a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 30385dbe906fSPaul Blakey struct tc_cls_flower_offload *f, u16 flow_flags, 3039a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3040a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3041e3a2b7edSAmir Vadai { 304217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 30433bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 3044a88780a9SRoi Dayan int err; 3045776b12b6SOr Gerlitz 304665ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 30471b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 304817091853SOr Gerlitz if (!parse_attr || !flow) { 3049e3a2b7edSAmir Vadai err = -ENOMEM; 3050e3a2b7edSAmir Vadai goto err_free; 3051e3a2b7edSAmir Vadai } 3052e3a2b7edSAmir Vadai 3053e3a2b7edSAmir Vadai flow->cookie = f->cookie; 305465ba8fb7SOr Gerlitz flow->flags = flow_flags; 3055655dc3d2SOr Gerlitz flow->priv = priv; 3056e3a2b7edSAmir Vadai 305717091853SOr Gerlitz err = parse_cls_flower(priv, flow, &parse_attr->spec, f); 3058a88780a9SRoi Dayan if (err) 3059e3a2b7edSAmir Vadai goto err_free; 3060e3a2b7edSAmir Vadai 3061a88780a9SRoi Dayan *__flow = flow; 3062a88780a9SRoi Dayan *__parse_attr = parse_attr; 3063a88780a9SRoi Dayan 3064a88780a9SRoi Dayan return 0; 3065a88780a9SRoi Dayan 3066a88780a9SRoi Dayan err_free: 3067a88780a9SRoi Dayan kfree(flow); 3068a88780a9SRoi Dayan kvfree(parse_attr); 3069a88780a9SRoi Dayan return err; 3070adb4c123SOr Gerlitz } 3071adb4c123SOr Gerlitz 3072a88780a9SRoi Dayan static int 3073a88780a9SRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3074a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 30755dbe906fSPaul Blakey u16 flow_flags, 3076a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3077a88780a9SRoi Dayan { 3078a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3079a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3080a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3081a88780a9SRoi Dayan int attr_size, err; 3082a88780a9SRoi Dayan 3083a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 3084a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3085a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3086a88780a9SRoi Dayan &parse_attr, &flow); 3087a88780a9SRoi Dayan if (err) 3088a88780a9SRoi Dayan goto out; 3089a88780a9SRoi Dayan 3090bf07aa73SPaul Blakey flow->esw_attr->chain = f->common.chain_index; 3091bf07aa73SPaul Blakey flow->esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 3092a88780a9SRoi Dayan err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow, extack); 3093a88780a9SRoi Dayan if (err) 3094a88780a9SRoi Dayan goto err_free; 3095a88780a9SRoi Dayan 3096a88780a9SRoi Dayan err = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow, extack); 30975dbe906fSPaul Blakey if (err) 3098aa0cbbaeSOr Gerlitz goto err_free; 30995c40348cSOr Gerlitz 3100a88780a9SRoi Dayan if (!(flow->esw_attr->action & 310160786f09SMark Bloch MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT)) 3102232c0013SHadar Hen Zion kvfree(parse_attr); 3103e3a2b7edSAmir Vadai 3104a88780a9SRoi Dayan *__flow = flow; 3105af1607c3SJianbo Liu 3106a88780a9SRoi Dayan return 0; 3107e3a2b7edSAmir Vadai 3108e3a2b7edSAmir Vadai err_free: 3109232c0013SHadar Hen Zion kfree(flow); 3110a88780a9SRoi Dayan kvfree(parse_attr); 3111a88780a9SRoi Dayan out: 3112a88780a9SRoi Dayan return err; 3113a88780a9SRoi Dayan } 3114a88780a9SRoi Dayan 3115a88780a9SRoi Dayan static int 3116a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3117a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 31185dbe906fSPaul Blakey u16 flow_flags, 3119a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3120a88780a9SRoi Dayan { 3121a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3122a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3123a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3124a88780a9SRoi Dayan int attr_size, err; 3125a88780a9SRoi Dayan 3126bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3127bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3128bf07aa73SPaul Blakey return -EOPNOTSUPP; 3129bf07aa73SPaul Blakey 3130a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 3131a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3132a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3133a88780a9SRoi Dayan &parse_attr, &flow); 3134a88780a9SRoi Dayan if (err) 3135a88780a9SRoi Dayan goto out; 3136a88780a9SRoi Dayan 3137a88780a9SRoi Dayan err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow, extack); 3138a88780a9SRoi Dayan if (err) 3139a88780a9SRoi Dayan goto err_free; 3140a88780a9SRoi Dayan 3141a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3142a88780a9SRoi Dayan if (err) 3143a88780a9SRoi Dayan goto err_free; 3144a88780a9SRoi Dayan 3145a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 3146a88780a9SRoi Dayan kvfree(parse_attr); 3147a88780a9SRoi Dayan *__flow = flow; 3148a88780a9SRoi Dayan 3149a88780a9SRoi Dayan return 0; 3150a88780a9SRoi Dayan 3151a88780a9SRoi Dayan err_free: 3152a88780a9SRoi Dayan kfree(flow); 3153a88780a9SRoi Dayan kvfree(parse_attr); 3154a88780a9SRoi Dayan out: 3155a88780a9SRoi Dayan return err; 3156a88780a9SRoi Dayan } 3157a88780a9SRoi Dayan 3158a88780a9SRoi Dayan static int 3159a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3160a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 3161a88780a9SRoi Dayan int flags, 3162a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3163a88780a9SRoi Dayan { 3164a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 31655dbe906fSPaul Blakey u16 flow_flags; 3166a88780a9SRoi Dayan int err; 3167a88780a9SRoi Dayan 3168a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3169a88780a9SRoi Dayan 3170bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3171bf07aa73SPaul Blakey return -EOPNOTSUPP; 3172bf07aa73SPaul Blakey 3173a88780a9SRoi Dayan if (esw && esw->mode == SRIOV_OFFLOADS) 3174a88780a9SRoi Dayan err = mlx5e_add_fdb_flow(priv, f, flow_flags, flow); 3175a88780a9SRoi Dayan else 3176a88780a9SRoi Dayan err = mlx5e_add_nic_flow(priv, f, flow_flags, flow); 3177a88780a9SRoi Dayan 3178a88780a9SRoi Dayan return err; 3179a88780a9SRoi Dayan } 3180a88780a9SRoi Dayan 318171d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3182a88780a9SRoi Dayan struct tc_cls_flower_offload *f, int flags) 3183a88780a9SRoi Dayan { 3184a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3185a88780a9SRoi Dayan struct rhashtable *tc_ht = get_tc_ht(priv); 3186a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3187a88780a9SRoi Dayan int err = 0; 3188a88780a9SRoi Dayan 3189a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3190a88780a9SRoi Dayan if (flow) { 3191a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3192a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3193a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3194a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3195a88780a9SRoi Dayan f->cookie); 3196a88780a9SRoi Dayan goto out; 3197a88780a9SRoi Dayan } 3198a88780a9SRoi Dayan 3199a88780a9SRoi Dayan err = mlx5e_tc_add_flow(priv, f, flags, &flow); 3200a88780a9SRoi Dayan if (err) 3201a88780a9SRoi Dayan goto out; 3202a88780a9SRoi Dayan 3203a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 3204a88780a9SRoi Dayan if (err) 3205a88780a9SRoi Dayan goto err_free; 3206a88780a9SRoi Dayan 3207a88780a9SRoi Dayan return 0; 3208a88780a9SRoi Dayan 3209a88780a9SRoi Dayan err_free: 3210a88780a9SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3211a88780a9SRoi Dayan kfree(flow); 3212a88780a9SRoi Dayan out: 3213e3a2b7edSAmir Vadai return err; 3214e3a2b7edSAmir Vadai } 3215e3a2b7edSAmir Vadai 32168f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 32178f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 32188f8ae895SOr Gerlitz 32198f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 32208f8ae895SOr Gerlitz { 32218f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 32228f8ae895SOr Gerlitz return true; 32238f8ae895SOr Gerlitz 32248f8ae895SOr Gerlitz return false; 32258f8ae895SOr Gerlitz } 32268f8ae895SOr Gerlitz 322771d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 322860bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3229e3a2b7edSAmir Vadai { 323005866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 3231e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3232e3a2b7edSAmir Vadai 323305866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 32348f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3235e3a2b7edSAmir Vadai return -EINVAL; 3236e3a2b7edSAmir Vadai 323705866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3238e3a2b7edSAmir Vadai 3239961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3240e3a2b7edSAmir Vadai 3241e3a2b7edSAmir Vadai kfree(flow); 3242e3a2b7edSAmir Vadai 3243e3a2b7edSAmir Vadai return 0; 3244e3a2b7edSAmir Vadai } 3245e3a2b7edSAmir Vadai 324671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 324760bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3248aad7e08dSAmir Vadai { 324905866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 3250aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3251aad7e08dSAmir Vadai struct mlx5_fc *counter; 3252aad7e08dSAmir Vadai u64 bytes; 3253aad7e08dSAmir Vadai u64 packets; 3254aad7e08dSAmir Vadai u64 lastuse; 3255aad7e08dSAmir Vadai 325605866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 32578f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3258aad7e08dSAmir Vadai return -EINVAL; 3259aad7e08dSAmir Vadai 32600b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 32610b67a38fSHadar Hen Zion return 0; 32620b67a38fSHadar Hen Zion 3263b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3264aad7e08dSAmir Vadai if (!counter) 3265aad7e08dSAmir Vadai return 0; 3266aad7e08dSAmir Vadai 3267aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3268aad7e08dSAmir Vadai 3269d897a638SJakub Kicinski tcf_exts_stats_update(f->exts, bytes, packets, lastuse); 3270fed06ee8SOr Gerlitz 3271aad7e08dSAmir Vadai return 0; 3272aad7e08dSAmir Vadai } 3273aad7e08dSAmir Vadai 32744d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 32754d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 32764d8fcf21SAlaa Hleihel { 32774d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 32784d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 32794d8fcf21SAlaa Hleihel u16 peer_vhca_id; 32804d8fcf21SAlaa Hleihel int bkt; 32814d8fcf21SAlaa Hleihel 32824d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 32834d8fcf21SAlaa Hleihel return; 32844d8fcf21SAlaa Hleihel 32854d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 32864d8fcf21SAlaa Hleihel 32874d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 32884d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 32894d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 32904d8fcf21SAlaa Hleihel } 32914d8fcf21SAlaa Hleihel } 32924d8fcf21SAlaa Hleihel 32934d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 32944d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 32954d8fcf21SAlaa Hleihel { 32964d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 32974d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 32984d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 32994d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 33004d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 33014d8fcf21SAlaa Hleihel 33024d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 33034d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 33044d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 33054d8fcf21SAlaa Hleihel return NOTIFY_DONE; 33064d8fcf21SAlaa Hleihel 33074d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 33084d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 33094d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 33104d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 33114d8fcf21SAlaa Hleihel if (priv == peer_priv || 33124d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 33134d8fcf21SAlaa Hleihel return NOTIFY_DONE; 33144d8fcf21SAlaa Hleihel 33154d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 33164d8fcf21SAlaa Hleihel 33174d8fcf21SAlaa Hleihel return NOTIFY_DONE; 33184d8fcf21SAlaa Hleihel } 33194d8fcf21SAlaa Hleihel 3320655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3321e8f887acSAmir Vadai { 3322acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 33234d8fcf21SAlaa Hleihel int err; 3324e8f887acSAmir Vadai 332511c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 33265c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 332711c9c548SOr Gerlitz 33284d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 33294d8fcf21SAlaa Hleihel if (err) 33304d8fcf21SAlaa Hleihel return err; 33314d8fcf21SAlaa Hleihel 33324d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 33334d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 33344d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 33354d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 33364d8fcf21SAlaa Hleihel } 33374d8fcf21SAlaa Hleihel 33384d8fcf21SAlaa Hleihel return err; 3339e8f887acSAmir Vadai } 3340e8f887acSAmir Vadai 3341e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3342e8f887acSAmir Vadai { 3343e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3344655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3345e8f887acSAmir Vadai 3346961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3347e8f887acSAmir Vadai kfree(flow); 3348e8f887acSAmir Vadai } 3349e8f887acSAmir Vadai 3350655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3351e8f887acSAmir Vadai { 3352acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3353e8f887acSAmir Vadai 33544d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 33554d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 33564d8fcf21SAlaa Hleihel 3357655dc3d2SOr Gerlitz rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 3358e8f887acSAmir Vadai 3359acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3360acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3361acff797cSMaor Gottlieb tc->t = NULL; 3362e8f887acSAmir Vadai } 3363e8f887acSAmir Vadai } 3364655dc3d2SOr Gerlitz 3365655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3366655dc3d2SOr Gerlitz { 3367655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3368655dc3d2SOr Gerlitz } 3369655dc3d2SOr Gerlitz 3370655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3371655dc3d2SOr Gerlitz { 3372655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3373655dc3d2SOr Gerlitz } 337401252a27SOr Gerlitz 337501252a27SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv) 337601252a27SOr Gerlitz { 337701252a27SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 337801252a27SOr Gerlitz 337901252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 338001252a27SOr Gerlitz } 3381