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; 643bc4b7bfSOr Gerlitz }; 653bc4b7bfSOr Gerlitz 6660bd4af8SOr Gerlitz #define MLX5E_TC_FLOW_BASE (MLX5E_TC_LAST_EXPORTED_BIT + 1) 6760bd4af8SOr Gerlitz 6865ba8fb7SOr Gerlitz enum { 6960bd4af8SOr Gerlitz MLX5E_TC_FLOW_INGRESS = MLX5E_TC_INGRESS, 7060bd4af8SOr Gerlitz MLX5E_TC_FLOW_EGRESS = MLX5E_TC_EGRESS, 7160bd4af8SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = BIT(MLX5E_TC_FLOW_BASE), 7260bd4af8SOr Gerlitz MLX5E_TC_FLOW_NIC = BIT(MLX5E_TC_FLOW_BASE + 1), 7360bd4af8SOr Gerlitz MLX5E_TC_FLOW_OFFLOADED = BIT(MLX5E_TC_FLOW_BASE + 2), 7460bd4af8SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(MLX5E_TC_FLOW_BASE + 3), 7560bd4af8SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(MLX5E_TC_FLOW_BASE + 4), 7665ba8fb7SOr Gerlitz }; 7765ba8fb7SOr Gerlitz 78e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 79e4ad91f2SChris Mi 80e8f887acSAmir Vadai struct mlx5e_tc_flow { 81e8f887acSAmir Vadai struct rhash_head node; 82655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 83e8f887acSAmir Vadai u64 cookie; 8465ba8fb7SOr Gerlitz u8 flags; 85e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 8611c9c548SOr Gerlitz struct list_head encap; /* flows sharing the same encap ID */ 8711c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 885c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 893bc4b7bfSOr Gerlitz union { 90ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 913bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 923bc4b7bfSOr Gerlitz }; 93e8f887acSAmir Vadai }; 94e8f887acSAmir Vadai 9517091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 963c37745eSOr Gerlitz struct ip_tunnel_info tun_info; 9717091853SOr Gerlitz struct mlx5_flow_spec spec; 98d79b6df6SOr Gerlitz int num_mod_hdr_actions; 99d79b6df6SOr Gerlitz void *mod_hdr_actions; 1003c37745eSOr Gerlitz int mirred_ifindex; 10117091853SOr Gerlitz }; 10217091853SOr Gerlitz 103a54e20b4SHadar Hen Zion enum { 104a54e20b4SHadar Hen Zion MLX5_HEADER_TYPE_VXLAN = 0x0, 105a54e20b4SHadar Hen Zion MLX5_HEADER_TYPE_NVGRE = 0x1, 106a54e20b4SHadar Hen Zion }; 107a54e20b4SHadar Hen Zion 108acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 109b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 110e8f887acSAmir Vadai 11177ab67b7SOr Gerlitz struct mlx5e_hairpin { 11277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 11377ab67b7SOr Gerlitz 11477ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1153f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 11677ab67b7SOr Gerlitz u32 tdn; 11777ab67b7SOr Gerlitz u32 tirn; 1183f6d08d1SOr Gerlitz 1193f6d08d1SOr Gerlitz int num_channels; 1203f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1213f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1223f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 12377ab67b7SOr Gerlitz }; 12477ab67b7SOr Gerlitz 1255c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1265c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1275c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1285c65c564SOr Gerlitz 1295c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1305c65c564SOr Gerlitz struct list_head flows; 1315c65c564SOr Gerlitz 132d8822868SOr Gerlitz u16 peer_vhca_id; 133106be53bSOr Gerlitz u8 prio; 1345c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1355c65c564SOr Gerlitz }; 1365c65c564SOr Gerlitz 13711c9c548SOr Gerlitz struct mod_hdr_key { 13811c9c548SOr Gerlitz int num_actions; 13911c9c548SOr Gerlitz void *actions; 14011c9c548SOr Gerlitz }; 14111c9c548SOr Gerlitz 14211c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 14311c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 14411c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 14511c9c548SOr Gerlitz 14611c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 14711c9c548SOr Gerlitz struct list_head flows; 14811c9c548SOr Gerlitz 14911c9c548SOr Gerlitz struct mod_hdr_key key; 15011c9c548SOr Gerlitz 15111c9c548SOr Gerlitz u32 mod_hdr_id; 15211c9c548SOr Gerlitz }; 15311c9c548SOr Gerlitz 15411c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 15511c9c548SOr Gerlitz 15611c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 15711c9c548SOr Gerlitz { 15811c9c548SOr Gerlitz return jhash(key->actions, 15911c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 16011c9c548SOr Gerlitz } 16111c9c548SOr Gerlitz 16211c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 16311c9c548SOr Gerlitz struct mod_hdr_key *b) 16411c9c548SOr Gerlitz { 16511c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 16611c9c548SOr Gerlitz return 1; 16711c9c548SOr Gerlitz 16811c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 16911c9c548SOr Gerlitz } 17011c9c548SOr Gerlitz 17111c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 17211c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 17311c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 17411c9c548SOr Gerlitz { 17511c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 17611c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 17711c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 17811c9c548SOr Gerlitz struct mod_hdr_key key; 17911c9c548SOr Gerlitz bool found = false; 18011c9c548SOr Gerlitz u32 hash_key; 18111c9c548SOr Gerlitz 18211c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 18311c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 18411c9c548SOr Gerlitz 18511c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 18611c9c548SOr Gerlitz key.num_actions = num_actions; 18711c9c548SOr Gerlitz 18811c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 18911c9c548SOr Gerlitz 19011c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 19111c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 19211c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 19311c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 19411c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 19511c9c548SOr Gerlitz found = true; 19611c9c548SOr Gerlitz break; 19711c9c548SOr Gerlitz } 19811c9c548SOr Gerlitz } 19911c9c548SOr Gerlitz } else { 20011c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 20111c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 20211c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 20311c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 20411c9c548SOr Gerlitz found = true; 20511c9c548SOr Gerlitz break; 20611c9c548SOr Gerlitz } 20711c9c548SOr Gerlitz } 20811c9c548SOr Gerlitz } 20911c9c548SOr Gerlitz 21011c9c548SOr Gerlitz if (found) 21111c9c548SOr Gerlitz goto attach_flow; 21211c9c548SOr Gerlitz 21311c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 21411c9c548SOr Gerlitz if (!mh) 21511c9c548SOr Gerlitz return -ENOMEM; 21611c9c548SOr Gerlitz 21711c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 21811c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 21911c9c548SOr Gerlitz mh->key.num_actions = num_actions; 22011c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 22111c9c548SOr Gerlitz 22211c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 22311c9c548SOr Gerlitz mh->key.num_actions, 22411c9c548SOr Gerlitz mh->key.actions, 22511c9c548SOr Gerlitz &mh->mod_hdr_id); 22611c9c548SOr Gerlitz if (err) 22711c9c548SOr Gerlitz goto out_err; 22811c9c548SOr Gerlitz 22911c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 23011c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 23111c9c548SOr Gerlitz else 23211c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 23311c9c548SOr Gerlitz 23411c9c548SOr Gerlitz attach_flow: 23511c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 23611c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 23711c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 23811c9c548SOr Gerlitz else 23911c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 24011c9c548SOr Gerlitz 24111c9c548SOr Gerlitz return 0; 24211c9c548SOr Gerlitz 24311c9c548SOr Gerlitz out_err: 24411c9c548SOr Gerlitz kfree(mh); 24511c9c548SOr Gerlitz return err; 24611c9c548SOr Gerlitz } 24711c9c548SOr Gerlitz 24811c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 24911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 25011c9c548SOr Gerlitz { 25111c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 25211c9c548SOr Gerlitz 25311c9c548SOr Gerlitz list_del(&flow->mod_hdr); 25411c9c548SOr Gerlitz 25511c9c548SOr Gerlitz if (list_empty(next)) { 25611c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 25711c9c548SOr Gerlitz 25811c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 25911c9c548SOr Gerlitz 26011c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 26111c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 26211c9c548SOr Gerlitz kfree(mh); 26311c9c548SOr Gerlitz } 26411c9c548SOr Gerlitz } 26511c9c548SOr Gerlitz 26677ab67b7SOr Gerlitz static 26777ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 26877ab67b7SOr Gerlitz { 26977ab67b7SOr Gerlitz struct net_device *netdev; 27077ab67b7SOr Gerlitz struct mlx5e_priv *priv; 27177ab67b7SOr Gerlitz 27277ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 27377ab67b7SOr Gerlitz priv = netdev_priv(netdev); 27477ab67b7SOr Gerlitz return priv->mdev; 27577ab67b7SOr Gerlitz } 27677ab67b7SOr Gerlitz 27777ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 27877ab67b7SOr Gerlitz { 27977ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 28077ab67b7SOr Gerlitz void *tirc; 28177ab67b7SOr Gerlitz int err; 28277ab67b7SOr Gerlitz 28377ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 28477ab67b7SOr Gerlitz if (err) 28577ab67b7SOr Gerlitz goto alloc_tdn_err; 28677ab67b7SOr Gerlitz 28777ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 28877ab67b7SOr Gerlitz 28977ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 290ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 29177ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 29277ab67b7SOr Gerlitz 29377ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 29477ab67b7SOr Gerlitz if (err) 29577ab67b7SOr Gerlitz goto create_tir_err; 29677ab67b7SOr Gerlitz 29777ab67b7SOr Gerlitz return 0; 29877ab67b7SOr Gerlitz 29977ab67b7SOr Gerlitz create_tir_err: 30077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 30177ab67b7SOr Gerlitz alloc_tdn_err: 30277ab67b7SOr Gerlitz return err; 30377ab67b7SOr Gerlitz } 30477ab67b7SOr Gerlitz 30577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 30677ab67b7SOr Gerlitz { 30777ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 30877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 30977ab67b7SOr Gerlitz } 31077ab67b7SOr Gerlitz 3113f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3123f6d08d1SOr Gerlitz { 3133f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3143f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3153f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3163f6d08d1SOr Gerlitz 3173f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3183f6d08d1SOr Gerlitz hp->num_channels); 3193f6d08d1SOr Gerlitz 3203f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3213f6d08d1SOr Gerlitz ix = i; 3223f6d08d1SOr Gerlitz if (priv->channels.params.rss_hfunc == ETH_RSS_HASH_XOR) 3233f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3243f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3253f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3263f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3273f6d08d1SOr Gerlitz } 3283f6d08d1SOr Gerlitz } 3293f6d08d1SOr Gerlitz 3303f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3313f6d08d1SOr Gerlitz { 3323f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3333f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3343f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3353f6d08d1SOr Gerlitz void *rqtc; 3363f6d08d1SOr Gerlitz u32 *in; 3373f6d08d1SOr Gerlitz 3383f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3393f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3403f6d08d1SOr Gerlitz if (!in) 3413f6d08d1SOr Gerlitz return -ENOMEM; 3423f6d08d1SOr Gerlitz 3433f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3443f6d08d1SOr Gerlitz 3453f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3463f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3473f6d08d1SOr Gerlitz 3483f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3493f6d08d1SOr Gerlitz 3503f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3513f6d08d1SOr Gerlitz if (!err) 3523f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3533f6d08d1SOr Gerlitz 3543f6d08d1SOr Gerlitz kvfree(in); 3553f6d08d1SOr Gerlitz return err; 3563f6d08d1SOr Gerlitz } 3573f6d08d1SOr Gerlitz 3583f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3593f6d08d1SOr Gerlitz { 3603f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3613f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3623f6d08d1SOr Gerlitz int tt, i, err; 3633f6d08d1SOr Gerlitz void *tirc; 3643f6d08d1SOr Gerlitz 3653f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 3663f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3673f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3683f6d08d1SOr Gerlitz 3693f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 3703f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 3713f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 3723f6d08d1SOr Gerlitz mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, false); 3733f6d08d1SOr Gerlitz 3743f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 3753f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 3763f6d08d1SOr Gerlitz if (err) { 3773f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 3783f6d08d1SOr Gerlitz goto err_destroy_tirs; 3793f6d08d1SOr Gerlitz } 3803f6d08d1SOr Gerlitz } 3813f6d08d1SOr Gerlitz return 0; 3823f6d08d1SOr Gerlitz 3833f6d08d1SOr Gerlitz err_destroy_tirs: 3843f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 3853f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 3863f6d08d1SOr Gerlitz return err; 3873f6d08d1SOr Gerlitz } 3883f6d08d1SOr Gerlitz 3893f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 3903f6d08d1SOr Gerlitz { 3913f6d08d1SOr Gerlitz int tt; 3923f6d08d1SOr Gerlitz 3933f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 3943f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 3953f6d08d1SOr Gerlitz } 3963f6d08d1SOr Gerlitz 3973f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 3983f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 3993f6d08d1SOr Gerlitz { 4003f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4013f6d08d1SOr Gerlitz int tt; 4023f6d08d1SOr Gerlitz 4033f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4043f6d08d1SOr Gerlitz 4053f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4063f6d08d1SOr Gerlitz 4073f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4083f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4093f6d08d1SOr Gerlitz 4103f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4113f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4123f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4133f6d08d1SOr Gerlitz } 4143f6d08d1SOr Gerlitz 4153f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4163f6d08d1SOr Gerlitz { 4173f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4183f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4193f6d08d1SOr Gerlitz int err; 4203f6d08d1SOr Gerlitz 4213f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4223f6d08d1SOr Gerlitz if (err) 4233f6d08d1SOr Gerlitz return err; 4243f6d08d1SOr Gerlitz 4253f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4263f6d08d1SOr Gerlitz if (err) 4273f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4283f6d08d1SOr Gerlitz 4293f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4303f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4313f6d08d1SOr Gerlitz if (err) 4323f6d08d1SOr Gerlitz goto err_create_ttc_table; 4333f6d08d1SOr Gerlitz 4343f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4353f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4363f6d08d1SOr Gerlitz 4373f6d08d1SOr Gerlitz return 0; 4383f6d08d1SOr Gerlitz 4393f6d08d1SOr Gerlitz err_create_ttc_table: 4403f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4413f6d08d1SOr Gerlitz err_create_indirect_tirs: 4423f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4433f6d08d1SOr Gerlitz 4443f6d08d1SOr Gerlitz return err; 4453f6d08d1SOr Gerlitz } 4463f6d08d1SOr Gerlitz 4473f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4483f6d08d1SOr Gerlitz { 4493f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4503f6d08d1SOr Gerlitz 4513f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4523f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4533f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4543f6d08d1SOr Gerlitz } 4553f6d08d1SOr Gerlitz 45677ab67b7SOr Gerlitz static struct mlx5e_hairpin * 45777ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 45877ab67b7SOr Gerlitz int peer_ifindex) 45977ab67b7SOr Gerlitz { 46077ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 46177ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 46277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 46377ab67b7SOr Gerlitz int err; 46477ab67b7SOr Gerlitz 46577ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 46677ab67b7SOr Gerlitz if (!hp) 46777ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 46877ab67b7SOr Gerlitz 46977ab67b7SOr Gerlitz func_mdev = priv->mdev; 47077ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 47177ab67b7SOr Gerlitz 47277ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 47377ab67b7SOr Gerlitz if (IS_ERR(pair)) { 47477ab67b7SOr Gerlitz err = PTR_ERR(pair); 47577ab67b7SOr Gerlitz goto create_pair_err; 47677ab67b7SOr Gerlitz } 47777ab67b7SOr Gerlitz hp->pair = pair; 47877ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 4793f6d08d1SOr Gerlitz hp->func_priv = priv; 4803f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 48177ab67b7SOr Gerlitz 48277ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 48377ab67b7SOr Gerlitz if (err) 48477ab67b7SOr Gerlitz goto create_transport_err; 48577ab67b7SOr Gerlitz 4863f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 4873f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 4883f6d08d1SOr Gerlitz if (err) 4893f6d08d1SOr Gerlitz goto rss_init_err; 4903f6d08d1SOr Gerlitz } 4913f6d08d1SOr Gerlitz 49277ab67b7SOr Gerlitz return hp; 49377ab67b7SOr Gerlitz 4943f6d08d1SOr Gerlitz rss_init_err: 4953f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 49677ab67b7SOr Gerlitz create_transport_err: 49777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 49877ab67b7SOr Gerlitz create_pair_err: 49977ab67b7SOr Gerlitz kfree(hp); 50077ab67b7SOr Gerlitz return ERR_PTR(err); 50177ab67b7SOr Gerlitz } 50277ab67b7SOr Gerlitz 50377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 50477ab67b7SOr Gerlitz { 5053f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5063f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 50777ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 50877ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 50977ab67b7SOr Gerlitz kvfree(hp); 51077ab67b7SOr Gerlitz } 51177ab67b7SOr Gerlitz 512106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 513106be53bSOr Gerlitz { 514106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 515106be53bSOr Gerlitz } 516106be53bSOr Gerlitz 5175c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 518106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5195c65c564SOr Gerlitz { 5205c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 521106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5225c65c564SOr Gerlitz 5235c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 524106be53bSOr Gerlitz hairpin_hlist, hash_key) { 525106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5265c65c564SOr Gerlitz return hpe; 5275c65c564SOr Gerlitz } 5285c65c564SOr Gerlitz 5295c65c564SOr Gerlitz return NULL; 5305c65c564SOr Gerlitz } 5315c65c564SOr Gerlitz 532106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 533106be53bSOr Gerlitz 534106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 535e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 536e98bedf5SEli Britstein struct netlink_ext_ack *extack) 537106be53bSOr Gerlitz { 538106be53bSOr Gerlitz void *headers_c, *headers_v; 539106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 540106be53bSOr Gerlitz bool vlan_present; 541106be53bSOr Gerlitz 542106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 543106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 544e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 545e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 546106be53bSOr Gerlitz return -EOPNOTSUPP; 547106be53bSOr Gerlitz } 548106be53bSOr Gerlitz #endif 549106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 550106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 551106be53bSOr Gerlitz 552106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 553106be53bSOr Gerlitz if (vlan_present) { 554106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 555106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 556106be53bSOr Gerlitz } 557106be53bSOr Gerlitz 558106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 559106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 560106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 561e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 562e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 563106be53bSOr Gerlitz return -EOPNOTSUPP; 564106be53bSOr Gerlitz } 565106be53bSOr Gerlitz 566106be53bSOr Gerlitz *match_prio = prio_val; 567106be53bSOr Gerlitz return 0; 568106be53bSOr Gerlitz } 569106be53bSOr Gerlitz 5705c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 5715c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 572e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 573e98bedf5SEli Britstein struct netlink_ext_ack *extack) 5745c65c564SOr Gerlitz { 5755c65c564SOr Gerlitz int peer_ifindex = parse_attr->mirred_ifindex; 5765c65c564SOr Gerlitz struct mlx5_hairpin_params params; 577d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 5785c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 5795c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 5803f6d08d1SOr Gerlitz u64 link_speed64; 5813f6d08d1SOr Gerlitz u32 link_speed; 582106be53bSOr Gerlitz u8 match_prio; 583d8822868SOr Gerlitz u16 peer_id; 5845c65c564SOr Gerlitz int err; 5855c65c564SOr Gerlitz 586d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 587d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 588e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 5895c65c564SOr Gerlitz return -EOPNOTSUPP; 5905c65c564SOr Gerlitz } 5915c65c564SOr Gerlitz 592d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 593e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 594e98bedf5SEli Britstein extack); 595106be53bSOr Gerlitz if (err) 596106be53bSOr Gerlitz return err; 597106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 5985c65c564SOr Gerlitz if (hpe) 5995c65c564SOr Gerlitz goto attach_flow; 6005c65c564SOr Gerlitz 6015c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6025c65c564SOr Gerlitz if (!hpe) 6035c65c564SOr Gerlitz return -ENOMEM; 6045c65c564SOr Gerlitz 6055c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 606d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 607106be53bSOr Gerlitz hpe->prio = match_prio; 6085c65c564SOr Gerlitz 6095c65c564SOr Gerlitz params.log_data_size = 15; 6105c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6115c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6125c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6135c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6145c65c564SOr Gerlitz 615eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 616eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 617eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 618eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 619eb9180f7SOr Gerlitz 620eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6213f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6222c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6233f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6243f6d08d1SOr Gerlitz link_speed64 = link_speed; 6253f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6263f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6273f6d08d1SOr Gerlitz 6285c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6295c65c564SOr Gerlitz if (IS_ERR(hp)) { 6305c65c564SOr Gerlitz err = PTR_ERR(hp); 6315c65c564SOr Gerlitz goto create_hairpin_err; 6325c65c564SOr Gerlitz } 6335c65c564SOr Gerlitz 634eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 635ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 636eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6375c65c564SOr Gerlitz 6385c65c564SOr Gerlitz hpe->hp = hp; 639106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 640106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6415c65c564SOr Gerlitz 6425c65c564SOr Gerlitz attach_flow: 6433f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6443f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6453f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6463f6d08d1SOr Gerlitz } else { 6475c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6483f6d08d1SOr Gerlitz } 6495c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6503f6d08d1SOr Gerlitz 6515c65c564SOr Gerlitz return 0; 6525c65c564SOr Gerlitz 6535c65c564SOr Gerlitz create_hairpin_err: 6545c65c564SOr Gerlitz kfree(hpe); 6555c65c564SOr Gerlitz return err; 6565c65c564SOr Gerlitz } 6575c65c564SOr Gerlitz 6585c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6595c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6605c65c564SOr Gerlitz { 6615c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6625c65c564SOr Gerlitz 6635c65c564SOr Gerlitz list_del(&flow->hairpin); 6645c65c564SOr Gerlitz 6655c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6665c65c564SOr Gerlitz if (list_empty(next)) { 6675c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6685c65c564SOr Gerlitz 6695c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 6705c65c564SOr Gerlitz 6715c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 6725c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 6735c65c564SOr Gerlitz 6745c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 6755c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 6765c65c564SOr Gerlitz kfree(hpe); 6775c65c564SOr Gerlitz } 6785c65c564SOr Gerlitz } 6795c65c564SOr Gerlitz 68074491de9SMark Bloch static struct mlx5_flow_handle * 68174491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 68217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 683e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 684e98bedf5SEli Britstein struct netlink_ext_ack *extack) 685e8f887acSAmir Vadai { 686aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 687aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 6885c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 68966958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 6903bc4b7bfSOr Gerlitz .action = attr->action, 691a9db0ecfSMatan Barak .has_flow_tag = true, 6923bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 69366958ed9SHadar Hen Zion .encap_id = 0, 69466958ed9SHadar Hen Zion }; 695aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 69674491de9SMark Bloch struct mlx5_flow_handle *rule; 697e8f887acSAmir Vadai bool table_created = false; 6985c65c564SOr Gerlitz int err, dest_ix = 0; 699e8f887acSAmir Vadai 7005c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 701e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7025c65c564SOr Gerlitz if (err) { 7035c65c564SOr Gerlitz rule = ERR_PTR(err); 7045c65c564SOr Gerlitz goto err_add_hairpin_flow; 7055c65c564SOr Gerlitz } 7063f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7073f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7083f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7093f6d08d1SOr Gerlitz } else { 7105c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7115c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7123f6d08d1SOr Gerlitz } 7133f6d08d1SOr Gerlitz dest_ix++; 7143f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7155c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7165c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7175c65c564SOr Gerlitz dest_ix++; 7185c65c564SOr Gerlitz } 719aad7e08dSAmir Vadai 7205c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7215c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7225c65c564SOr Gerlitz if (IS_ERR(counter)) { 7235c65c564SOr Gerlitz rule = ERR_CAST(counter); 7245c65c564SOr Gerlitz goto err_fc_create; 7255c65c564SOr Gerlitz } 7265c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 7275c65c564SOr Gerlitz dest[dest_ix].counter = counter; 7285c65c564SOr Gerlitz dest_ix++; 729aad7e08dSAmir Vadai } 730aad7e08dSAmir Vadai 7312f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7323099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 733d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7342f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 7352f4fe4caSOr Gerlitz if (err) { 7362f4fe4caSOr Gerlitz rule = ERR_PTR(err); 7372f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7382f4fe4caSOr Gerlitz } 7392f4fe4caSOr Gerlitz } 7402f4fe4caSOr Gerlitz 741acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 74221b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 74321b9c144SOr Gerlitz u32 max_flow_counter; 74421b9c144SOr Gerlitz 74521b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 74621b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 74721b9c144SOr Gerlitz 74821b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 74921b9c144SOr Gerlitz 75021b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 75121b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 75221b9c144SOr Gerlitz 753acff797cSMaor Gottlieb priv->fs.tc.t = 754acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 755acff797cSMaor Gottlieb MLX5E_TC_PRIO, 75621b9c144SOr Gerlitz tc_tbl_size, 757acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7583f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 759acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 760e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 761e98bedf5SEli Britstein "Failed to create tc offload table\n"); 762e8f887acSAmir Vadai netdev_err(priv->netdev, 763e8f887acSAmir Vadai "Failed to create tc offload table\n"); 764aad7e08dSAmir Vadai rule = ERR_CAST(priv->fs.tc.t); 765aad7e08dSAmir Vadai goto err_create_ft; 766e8f887acSAmir Vadai } 767e8f887acSAmir Vadai 768e8f887acSAmir Vadai table_created = true; 769e8f887acSAmir Vadai } 770e8f887acSAmir Vadai 77138aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 77217091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 77338aa51c1SOr Gerlitz 77417091853SOr Gerlitz rule = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 7755c65c564SOr Gerlitz &flow_act, dest, dest_ix); 776e8f887acSAmir Vadai 777aad7e08dSAmir Vadai if (IS_ERR(rule)) 778aad7e08dSAmir Vadai goto err_add_rule; 779aad7e08dSAmir Vadai 780aad7e08dSAmir Vadai return rule; 781aad7e08dSAmir Vadai 782aad7e08dSAmir Vadai err_add_rule: 783aad7e08dSAmir Vadai if (table_created) { 784acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 785acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 786e8f887acSAmir Vadai } 787aad7e08dSAmir Vadai err_create_ft: 7882f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 7893099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 7902f4fe4caSOr Gerlitz err_create_mod_hdr_id: 791aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 7925c65c564SOr Gerlitz err_fc_create: 7935c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 7945c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 7955c65c564SOr Gerlitz err_add_hairpin_flow: 796e8f887acSAmir Vadai return rule; 797e8f887acSAmir Vadai } 798e8f887acSAmir Vadai 799d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 800d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 801d85cdccbSOr Gerlitz { 802513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 803d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 804d85cdccbSOr Gerlitz 805e4ad91f2SChris Mi counter = mlx5_flow_rule_counter(flow->rule[0]); 806e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 807d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 808d85cdccbSOr Gerlitz 809b3a433deSOr Gerlitz if (!mlx5e_tc_num_filters(priv) && priv->fs.tc.t) { 810d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 811d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 812d85cdccbSOr Gerlitz } 8132f4fe4caSOr Gerlitz 814513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8153099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8165c65c564SOr Gerlitz 8175c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8185c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 819d85cdccbSOr Gerlitz } 820d85cdccbSOr Gerlitz 821aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 822aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow); 823aa0cbbaeSOr Gerlitz 8243c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 8253c37745eSOr Gerlitz struct ip_tunnel_info *tun_info, 8263c37745eSOr Gerlitz struct net_device *mirred_dev, 8273c37745eSOr Gerlitz struct net_device **encap_dev, 828e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 829e98bedf5SEli Britstein struct netlink_ext_ack *extack); 8303c37745eSOr Gerlitz 83174491de9SMark Bloch static struct mlx5_flow_handle * 83274491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 83317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 834e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 835e98bedf5SEli Britstein struct netlink_ext_ack *extack) 836adb4c123SOr Gerlitz { 837adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 838aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 8393c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 8403c37745eSOr Gerlitz struct mlx5_flow_handle *rule = NULL; 8413c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 8423c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 8438b32580dSOr Gerlitz int err; 8448b32580dSOr Gerlitz 8453c37745eSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) { 8463c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 8473c37745eSOr Gerlitz attr->parse_attr->mirred_ifindex); 8483c37745eSOr Gerlitz err = mlx5e_attach_encap(priv, &parse_attr->tun_info, 849e98bedf5SEli Britstein out_dev, &encap_dev, flow, extack); 8503c37745eSOr Gerlitz if (err) { 8513c37745eSOr Gerlitz rule = ERR_PTR(err); 8523c37745eSOr Gerlitz if (err != -EAGAIN) 8533c37745eSOr Gerlitz goto err_attach_encap; 8543c37745eSOr Gerlitz } 8553c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 8563c37745eSOr Gerlitz rpriv = out_priv->ppriv; 857592d3651SChris Mi attr->out_rep[attr->out_count] = rpriv->rep; 858592d3651SChris Mi attr->out_mdev[attr->out_count++] = out_priv->mdev; 8593c37745eSOr Gerlitz } 8603c37745eSOr Gerlitz 8618b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 862aa0cbbaeSOr Gerlitz if (err) { 863aa0cbbaeSOr Gerlitz rule = ERR_PTR(err); 864aa0cbbaeSOr Gerlitz goto err_add_vlan; 865adb4c123SOr Gerlitz } 866adb4c123SOr Gerlitz 867d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 8681a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 869d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 870d7e75a32SOr Gerlitz if (err) { 871d7e75a32SOr Gerlitz rule = ERR_PTR(err); 872d7e75a32SOr Gerlitz goto err_mod_hdr; 873d7e75a32SOr Gerlitz } 874d7e75a32SOr Gerlitz } 875d7e75a32SOr Gerlitz 8763c37745eSOr Gerlitz /* we get here if (1) there's no error (rule being null) or when 8773c37745eSOr Gerlitz * (2) there's an encap action and we're on -EAGAIN (no valid neigh) 8783c37745eSOr Gerlitz */ 8793c37745eSOr Gerlitz if (rule != ERR_PTR(-EAGAIN)) { 880aa0cbbaeSOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, &parse_attr->spec, attr); 881aa0cbbaeSOr Gerlitz if (IS_ERR(rule)) 882aa0cbbaeSOr Gerlitz goto err_add_rule; 883e4ad91f2SChris Mi 884e4ad91f2SChris Mi if (attr->mirror_count) { 885e4ad91f2SChris Mi flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, &parse_attr->spec, attr); 886e4ad91f2SChris Mi if (IS_ERR(flow->rule[1])) 887e4ad91f2SChris Mi goto err_fwd_rule; 888e4ad91f2SChris Mi } 8893c37745eSOr Gerlitz } 890aa0cbbaeSOr Gerlitz return rule; 891aa0cbbaeSOr Gerlitz 892e4ad91f2SChris Mi err_fwd_rule: 893e4ad91f2SChris Mi mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 894e4ad91f2SChris Mi rule = flow->rule[1]; 895aa0cbbaeSOr Gerlitz err_add_rule: 896513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8971a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 898d7e75a32SOr Gerlitz err_mod_hdr: 899aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 900aa0cbbaeSOr Gerlitz err_add_vlan: 901aa0cbbaeSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) 902aa0cbbaeSOr Gerlitz mlx5e_detach_encap(priv, flow); 9033c37745eSOr Gerlitz err_attach_encap: 904aa0cbbaeSOr Gerlitz return rule; 905aa0cbbaeSOr Gerlitz } 906d85cdccbSOr Gerlitz 907d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 908d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 909d85cdccbSOr Gerlitz { 910d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 911d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 912d85cdccbSOr Gerlitz 913232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 914232c0013SHadar Hen Zion flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 915e4ad91f2SChris Mi if (attr->mirror_count) 916e4ad91f2SChris Mi mlx5_eswitch_del_offloaded_rule(esw, flow->rule[1], attr); 917e4ad91f2SChris Mi mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 918232c0013SHadar Hen Zion } 919d85cdccbSOr Gerlitz 920513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 921d85cdccbSOr Gerlitz 922513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) { 923d85cdccbSOr Gerlitz mlx5e_detach_encap(priv, flow); 924513f8f7fSOr Gerlitz kvfree(attr->parse_attr); 925232c0013SHadar Hen Zion } 926d7e75a32SOr Gerlitz 927513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9281a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 929d85cdccbSOr Gerlitz } 930d85cdccbSOr Gerlitz 931232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 932232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 933232c0013SHadar Hen Zion { 9343c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 9353c37745eSOr Gerlitz struct mlx5_esw_flow_attr *esw_attr; 936232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 937232c0013SHadar Hen Zion int err; 938232c0013SHadar Hen Zion 939232c0013SHadar Hen Zion err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 940232c0013SHadar Hen Zion e->encap_size, e->encap_header, 941232c0013SHadar Hen Zion &e->encap_id); 942232c0013SHadar Hen Zion if (err) { 943232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 944232c0013SHadar Hen Zion err); 945232c0013SHadar Hen Zion return; 946232c0013SHadar Hen Zion } 947232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 948f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 949232c0013SHadar Hen Zion 950232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 9513c37745eSOr Gerlitz esw_attr = flow->esw_attr; 9523c37745eSOr Gerlitz esw_attr->encap_id = e->encap_id; 953e4ad91f2SChris Mi flow->rule[0] = mlx5_eswitch_add_offloaded_rule(esw, &esw_attr->parse_attr->spec, esw_attr); 954e4ad91f2SChris Mi if (IS_ERR(flow->rule[0])) { 955e4ad91f2SChris Mi err = PTR_ERR(flow->rule[0]); 956232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 957232c0013SHadar Hen Zion err); 958232c0013SHadar Hen Zion continue; 959232c0013SHadar Hen Zion } 960e4ad91f2SChris Mi 961e4ad91f2SChris Mi if (esw_attr->mirror_count) { 962e4ad91f2SChris Mi flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, &esw_attr->parse_attr->spec, esw_attr); 963e4ad91f2SChris Mi if (IS_ERR(flow->rule[1])) { 964e4ad91f2SChris Mi mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], esw_attr); 965e4ad91f2SChris Mi err = PTR_ERR(flow->rule[1]); 966e4ad91f2SChris Mi mlx5_core_warn(priv->mdev, "Failed to update cached mirror flow, %d\n", 967e4ad91f2SChris Mi err); 968e4ad91f2SChris Mi continue; 969e4ad91f2SChris Mi } 970e4ad91f2SChris Mi } 971e4ad91f2SChris Mi 972232c0013SHadar Hen Zion flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 973232c0013SHadar Hen Zion } 974232c0013SHadar Hen Zion } 975232c0013SHadar Hen Zion 976232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 977232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 978232c0013SHadar Hen Zion { 9793c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 980232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 981232c0013SHadar Hen Zion 982232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 983232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 984e4ad91f2SChris Mi struct mlx5_esw_flow_attr *attr = flow->esw_attr; 985e4ad91f2SChris Mi 986232c0013SHadar Hen Zion flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 987e4ad91f2SChris Mi if (attr->mirror_count) 988e4ad91f2SChris Mi mlx5_eswitch_del_offloaded_rule(esw, flow->rule[1], attr); 989e4ad91f2SChris Mi mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 990232c0013SHadar Hen Zion } 991232c0013SHadar Hen Zion } 992232c0013SHadar Hen Zion 993232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 994232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 995232c0013SHadar Hen Zion mlx5_encap_dealloc(priv->mdev, e->encap_id); 996232c0013SHadar Hen Zion } 997232c0013SHadar Hen Zion } 998232c0013SHadar Hen Zion 999f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1000f6dfb4c3SHadar Hen Zion { 1001f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1002f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1003f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1004f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1005f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1006f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1007f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1008f6dfb4c3SHadar Hen Zion struct neighbour *n; 1009f6dfb4c3SHadar Hen Zion 1010f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1011f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1012f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1013f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1014423c9db2SOr Gerlitz tbl = &nd_tbl; 1015f6dfb4c3SHadar Hen Zion #endif 1016f6dfb4c3SHadar Hen Zion else 1017f6dfb4c3SHadar Hen Zion return; 1018f6dfb4c3SHadar Hen Zion 1019f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 1020f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1021f6dfb4c3SHadar Hen Zion continue; 1022f6dfb4c3SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 1023f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 1024e4ad91f2SChris Mi counter = mlx5_flow_rule_counter(flow->rule[0]); 1025f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1026f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1027f6dfb4c3SHadar Hen Zion neigh_used = true; 1028f6dfb4c3SHadar Hen Zion break; 1029f6dfb4c3SHadar Hen Zion } 1030f6dfb4c3SHadar Hen Zion } 1031f6dfb4c3SHadar Hen Zion } 1032e36d4810SRoi Dayan if (neigh_used) 1033e36d4810SRoi Dayan break; 1034f6dfb4c3SHadar Hen Zion } 1035f6dfb4c3SHadar Hen Zion 1036f6dfb4c3SHadar Hen Zion if (neigh_used) { 1037f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1038f6dfb4c3SHadar Hen Zion 1039f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1040f6dfb4c3SHadar Hen Zion * dst ip pair 1041f6dfb4c3SHadar Hen Zion */ 1042f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1043c7f7ba8dSRoi Dayan if (!n) 1044f6dfb4c3SHadar Hen Zion return; 1045f6dfb4c3SHadar Hen Zion 1046f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1047f6dfb4c3SHadar Hen Zion neigh_release(n); 1048f6dfb4c3SHadar Hen Zion } 1049f6dfb4c3SHadar Hen Zion } 1050f6dfb4c3SHadar Hen Zion 1051d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1052d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1053d85cdccbSOr Gerlitz { 10545067b602SRoi Dayan struct list_head *next = flow->encap.next; 10555067b602SRoi Dayan 10565067b602SRoi Dayan list_del(&flow->encap); 10575067b602SRoi Dayan if (list_empty(next)) { 1058c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 10595067b602SRoi Dayan 1060c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1061232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1062232c0013SHadar Hen Zion 1063232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 10645067b602SRoi Dayan mlx5_encap_dealloc(priv->mdev, e->encap_id); 1065232c0013SHadar Hen Zion 1066cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1067232c0013SHadar Hen Zion kfree(e->encap_header); 10685067b602SRoi Dayan kfree(e); 10695067b602SRoi Dayan } 10705067b602SRoi Dayan } 10715067b602SRoi Dayan 1072e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1073961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1074e8f887acSAmir Vadai { 1075d85cdccbSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1076d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 1077d85cdccbSOr Gerlitz else 1078d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1079e8f887acSAmir Vadai } 1080e8f887acSAmir Vadai 1081bbd00f7eSHadar Hen Zion static void parse_vxlan_attr(struct mlx5_flow_spec *spec, 1082bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1083bbd00f7eSHadar Hen Zion { 1084bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1085bbd00f7eSHadar Hen Zion outer_headers); 1086bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1087bbd00f7eSHadar Hen Zion outer_headers); 1088bbd00f7eSHadar Hen Zion void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1089bbd00f7eSHadar Hen Zion misc_parameters); 1090bbd00f7eSHadar Hen Zion void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1091bbd00f7eSHadar Hen Zion misc_parameters); 1092bbd00f7eSHadar Hen Zion 1093bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_protocol); 1094bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP); 1095bbd00f7eSHadar Hen Zion 1096bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID)) { 1097bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *key = 1098bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1099bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1100bbd00f7eSHadar Hen Zion f->key); 1101bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *mask = 1102bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1103bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1104bbd00f7eSHadar Hen Zion f->mask); 1105bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_c, vxlan_vni, 1106bbd00f7eSHadar Hen Zion be32_to_cpu(mask->keyid)); 1107bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_v, vxlan_vni, 1108bbd00f7eSHadar Hen Zion be32_to_cpu(key->keyid)); 1109bbd00f7eSHadar Hen Zion } 1110bbd00f7eSHadar Hen Zion } 1111bbd00f7eSHadar Hen Zion 1112bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1113bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1114bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1115bbd00f7eSHadar Hen Zion { 1116e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1117bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1118bbd00f7eSHadar Hen Zion outer_headers); 1119bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1120bbd00f7eSHadar Hen Zion outer_headers); 1121bbd00f7eSHadar Hen Zion 11222e72eb43SOr Gerlitz struct flow_dissector_key_control *enc_control = 11232e72eb43SOr Gerlitz skb_flow_dissector_target(f->dissector, 11242e72eb43SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_CONTROL, 11252e72eb43SOr Gerlitz f->key); 11262e72eb43SOr Gerlitz 1127bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) { 1128bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *key = 1129bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1130bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1131bbd00f7eSHadar Hen Zion f->key); 1132bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *mask = 1133bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1134bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1135bbd00f7eSHadar Hen Zion f->mask); 1136bbd00f7eSHadar Hen Zion 1137bbd00f7eSHadar Hen Zion /* Full udp dst port must be given */ 1138bbd00f7eSHadar Hen Zion if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) 11392fcd82e9SOr Gerlitz goto vxlan_match_offload_err; 1140bbd00f7eSHadar Hen Zion 1141a3e67366SSaeed Mahameed if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, be16_to_cpu(key->dst)) && 1142bbd00f7eSHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) 1143bbd00f7eSHadar Hen Zion parse_vxlan_attr(spec, f); 11442fcd82e9SOr Gerlitz else { 1145e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1146e98bedf5SEli Britstein "port isn't an offloaded vxlan udp dport"); 11472fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 11482fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->dst)); 1149bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 11502fcd82e9SOr Gerlitz } 1151bbd00f7eSHadar Hen Zion 1152bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1153bbd00f7eSHadar Hen Zion udp_dport, ntohs(mask->dst)); 1154bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1155bbd00f7eSHadar Hen Zion udp_dport, ntohs(key->dst)); 1156bbd00f7eSHadar Hen Zion 1157cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1158cd377663SOr Gerlitz udp_sport, ntohs(mask->src)); 1159cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1160cd377663SOr Gerlitz udp_sport, ntohs(key->src)); 1161bbd00f7eSHadar Hen Zion } else { /* udp dst port must be given */ 11622fcd82e9SOr Gerlitz vxlan_match_offload_err: 1163e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1164e98bedf5SEli Britstein "IP tunnel decap offload supported only for vxlan, must set UDP dport"); 11652fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 11662fcd82e9SOr Gerlitz "IP tunnel decap offload supported only for vxlan, must set UDP dport\n"); 1167bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1168bbd00f7eSHadar Hen Zion } 1169bbd00f7eSHadar Hen Zion 11702e72eb43SOr Gerlitz if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1171bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *key = 1172bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1173bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1174bbd00f7eSHadar Hen Zion f->key); 1175bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *mask = 1176bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1177bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1178bbd00f7eSHadar Hen Zion f->mask); 1179bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1180bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1181bbd00f7eSHadar Hen Zion ntohl(mask->src)); 1182bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1183bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1184bbd00f7eSHadar Hen Zion ntohl(key->src)); 1185bbd00f7eSHadar Hen Zion 1186bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1187bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1188bbd00f7eSHadar Hen Zion ntohl(mask->dst)); 1189bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1190bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1191bbd00f7eSHadar Hen Zion ntohl(key->dst)); 1192bbd00f7eSHadar Hen Zion 1193bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1194bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 119519f44401SOr Gerlitz } else if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 119619f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *key = 119719f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 119819f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 119919f44401SOr Gerlitz f->key); 120019f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *mask = 120119f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 120219f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 120319f44401SOr Gerlitz f->mask); 120419f44401SOr Gerlitz 120519f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 120619f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 120719f44401SOr Gerlitz &mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 120819f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 120919f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 121019f44401SOr Gerlitz &key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 121119f44401SOr Gerlitz 121219f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 121319f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 121419f44401SOr Gerlitz &mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 121519f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 121619f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 121719f44401SOr Gerlitz &key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 121819f44401SOr Gerlitz 121919f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 122019f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 12212e72eb43SOr Gerlitz } 1222bbd00f7eSHadar Hen Zion 1223bcef735cSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_IP)) { 1224bcef735cSOr Gerlitz struct flow_dissector_key_ip *key = 1225bcef735cSOr Gerlitz skb_flow_dissector_target(f->dissector, 1226bcef735cSOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IP, 1227bcef735cSOr Gerlitz f->key); 1228bcef735cSOr Gerlitz struct flow_dissector_key_ip *mask = 1229bcef735cSOr Gerlitz skb_flow_dissector_target(f->dissector, 1230bcef735cSOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IP, 1231bcef735cSOr Gerlitz f->mask); 1232bcef735cSOr Gerlitz 1233bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 1234bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 1235bcef735cSOr Gerlitz 1236bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 1237bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 1238bcef735cSOr Gerlitz 1239bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1240bcef735cSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 1241e98bedf5SEli Britstein 1242e98bedf5SEli Britstein if (mask->ttl && 1243e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1244e98bedf5SEli Britstein (priv->mdev, 1245e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1246e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1247e98bedf5SEli Britstein "Matching on TTL is not supported"); 1248e98bedf5SEli Britstein return -EOPNOTSUPP; 1249e98bedf5SEli Britstein } 1250e98bedf5SEli Britstein 1251bcef735cSOr Gerlitz } 1252bcef735cSOr Gerlitz 1253bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1254bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1255bbd00f7eSHadar Hen Zion */ 1256bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1257bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1258bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1259bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1260bbd00f7eSHadar Hen Zion 1261bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1262bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1263bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1264bbd00f7eSHadar Hen Zion 1265bbd00f7eSHadar Hen Zion return 0; 1266bbd00f7eSHadar Hen Zion } 1267bbd00f7eSHadar Hen Zion 1268de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1269de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1270de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 1271d708f902SOr Gerlitz u8 *match_level) 1272e3a2b7edSAmir Vadai { 1273e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1274c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1275c5bb1730SMaor Gottlieb outer_headers); 1276c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1277c5bb1730SMaor Gottlieb outer_headers); 1278699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1279699e96ddSJianbo Liu misc_parameters); 1280699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1281699e96ddSJianbo Liu misc_parameters); 1282e3a2b7edSAmir Vadai u16 addr_type = 0; 1283e3a2b7edSAmir Vadai u8 ip_proto = 0; 1284e3a2b7edSAmir Vadai 1285d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1286de0af0bfSRoi Dayan 1287e3a2b7edSAmir Vadai if (f->dissector->used_keys & 1288e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1289e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1290e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1291095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1292699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1293e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1294e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1295bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1296bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1297bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1298bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1299bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1300e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1301fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1302bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 1303bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { 1304e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1305e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 1306e3a2b7edSAmir Vadai f->dissector->used_keys); 1307e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1308e3a2b7edSAmir Vadai } 1309e3a2b7edSAmir Vadai 1310bbd00f7eSHadar Hen Zion if ((dissector_uses_key(f->dissector, 1311bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 1312bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID) || 1313bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 1314bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 1315bbd00f7eSHadar Hen Zion struct flow_dissector_key_control *key = 1316bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1317bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_CONTROL, 1318bbd00f7eSHadar Hen Zion f->key); 1319bbd00f7eSHadar Hen Zion switch (key->addr_type) { 1320bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 132119f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 1322bbd00f7eSHadar Hen Zion if (parse_tunnel_attr(priv, spec, f)) 1323bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1324bbd00f7eSHadar Hen Zion break; 1325bbd00f7eSHadar Hen Zion default: 1326bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1327bbd00f7eSHadar Hen Zion } 1328bbd00f7eSHadar Hen Zion 1329bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1330bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1331bbd00f7eSHadar Hen Zion */ 1332bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1333bbd00f7eSHadar Hen Zion inner_headers); 1334bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1335bbd00f7eSHadar Hen Zion inner_headers); 1336bbd00f7eSHadar Hen Zion } 1337bbd00f7eSHadar Hen Zion 1338e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 1339e3a2b7edSAmir Vadai struct flow_dissector_key_eth_addrs *key = 1340e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1341e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_ETH_ADDRS, 1342e3a2b7edSAmir Vadai f->key); 1343e3a2b7edSAmir Vadai struct flow_dissector_key_eth_addrs *mask = 1344e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1345e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_ETH_ADDRS, 1346e3a2b7edSAmir Vadai f->mask); 1347e3a2b7edSAmir Vadai 1348e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1349e3a2b7edSAmir Vadai dmac_47_16), 1350e3a2b7edSAmir Vadai mask->dst); 1351e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1352e3a2b7edSAmir Vadai dmac_47_16), 1353e3a2b7edSAmir Vadai key->dst); 1354e3a2b7edSAmir Vadai 1355e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1356e3a2b7edSAmir Vadai smac_47_16), 1357e3a2b7edSAmir Vadai mask->src); 1358e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1359e3a2b7edSAmir Vadai smac_47_16), 1360e3a2b7edSAmir Vadai key->src); 136154782900SOr Gerlitz 136254782900SOr Gerlitz if (!is_zero_ether_addr(mask->src) || !is_zero_ether_addr(mask->dst)) 1363d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1364e3a2b7edSAmir Vadai } 1365e3a2b7edSAmir Vadai 1366095b6cfdSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) { 1367095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *key = 1368095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1369095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1370095b6cfdSOr Gerlitz f->key); 1371095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *mask = 1372095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1373095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1374095b6cfdSOr Gerlitz f->mask); 1375699e96ddSJianbo Liu if (mask->vlan_id || mask->vlan_priority || mask->vlan_tpid) { 1376699e96ddSJianbo Liu if (key->vlan_tpid == htons(ETH_P_8021AD)) { 1377699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1378699e96ddSJianbo Liu svlan_tag, 1); 1379699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1380699e96ddSJianbo Liu svlan_tag, 1); 1381699e96ddSJianbo Liu } else { 1382699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1383699e96ddSJianbo Liu cvlan_tag, 1); 1384699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1385699e96ddSJianbo Liu cvlan_tag, 1); 1386699e96ddSJianbo Liu } 1387095b6cfdSOr Gerlitz 1388095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id); 1389095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id); 1390358d79a4SOr Gerlitz 1391358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority); 1392358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority); 139354782900SOr Gerlitz 1394d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1395095b6cfdSOr Gerlitz } 1396095b6cfdSOr Gerlitz } 1397095b6cfdSOr Gerlitz 1398699e96ddSJianbo Liu if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CVLAN)) { 1399699e96ddSJianbo Liu struct flow_dissector_key_vlan *key = 1400699e96ddSJianbo Liu skb_flow_dissector_target(f->dissector, 1401699e96ddSJianbo Liu FLOW_DISSECTOR_KEY_CVLAN, 1402699e96ddSJianbo Liu f->key); 1403699e96ddSJianbo Liu struct flow_dissector_key_vlan *mask = 1404699e96ddSJianbo Liu skb_flow_dissector_target(f->dissector, 1405699e96ddSJianbo Liu FLOW_DISSECTOR_KEY_CVLAN, 1406699e96ddSJianbo Liu f->mask); 1407699e96ddSJianbo Liu if (mask->vlan_id || mask->vlan_priority || mask->vlan_tpid) { 1408699e96ddSJianbo Liu if (key->vlan_tpid == htons(ETH_P_8021AD)) { 1409699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1410699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1411699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1412699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1413699e96ddSJianbo Liu } else { 1414699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1415699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1416699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1417699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1418699e96ddSJianbo Liu } 1419699e96ddSJianbo Liu 1420699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 1421699e96ddSJianbo Liu mask->vlan_id); 1422699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 1423699e96ddSJianbo Liu key->vlan_id); 1424699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 1425699e96ddSJianbo Liu mask->vlan_priority); 1426699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 1427699e96ddSJianbo Liu key->vlan_priority); 1428699e96ddSJianbo Liu 1429699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1430699e96ddSJianbo Liu } 1431699e96ddSJianbo Liu } 1432699e96ddSJianbo Liu 143354782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 143454782900SOr Gerlitz struct flow_dissector_key_basic *key = 143554782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 143654782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 143754782900SOr Gerlitz f->key); 143854782900SOr Gerlitz struct flow_dissector_key_basic *mask = 143954782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 144054782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 144154782900SOr Gerlitz f->mask); 144254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 144354782900SOr Gerlitz ntohs(mask->n_proto)); 144454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 144554782900SOr Gerlitz ntohs(key->n_proto)); 144654782900SOr Gerlitz 144754782900SOr Gerlitz if (mask->n_proto) 1448d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 144954782900SOr Gerlitz } 145054782900SOr Gerlitz 145154782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) { 145254782900SOr Gerlitz struct flow_dissector_key_control *key = 145354782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 145454782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 145554782900SOr Gerlitz f->key); 145654782900SOr Gerlitz 145754782900SOr Gerlitz struct flow_dissector_key_control *mask = 145854782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 145954782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 146054782900SOr Gerlitz f->mask); 146154782900SOr Gerlitz addr_type = key->addr_type; 146254782900SOr Gerlitz 146354782900SOr Gerlitz /* the HW doesn't support frag first/later */ 146454782900SOr Gerlitz if (mask->flags & FLOW_DIS_FIRST_FRAG) 146554782900SOr Gerlitz return -EOPNOTSUPP; 146654782900SOr Gerlitz 146754782900SOr Gerlitz if (mask->flags & FLOW_DIS_IS_FRAGMENT) { 146854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 146954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 147054782900SOr Gerlitz key->flags & FLOW_DIS_IS_FRAGMENT); 147154782900SOr Gerlitz 147254782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 147354782900SOr Gerlitz if (!(key->flags & FLOW_DIS_IS_FRAGMENT)) 1474d708f902SOr Gerlitz *match_level = MLX5_INLINE_MODE_L2; 147554782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 147654782900SOr Gerlitz else 1477d708f902SOr Gerlitz *match_level = MLX5_INLINE_MODE_IP; 147854782900SOr Gerlitz } 147954782900SOr Gerlitz } 148054782900SOr Gerlitz 148154782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 148254782900SOr Gerlitz struct flow_dissector_key_basic *key = 148354782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 148454782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 148554782900SOr Gerlitz f->key); 148654782900SOr Gerlitz struct flow_dissector_key_basic *mask = 148754782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 148854782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 148954782900SOr Gerlitz f->mask); 149054782900SOr Gerlitz ip_proto = key->ip_proto; 149154782900SOr Gerlitz 149254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 149354782900SOr Gerlitz mask->ip_proto); 149454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 149554782900SOr Gerlitz key->ip_proto); 149654782900SOr Gerlitz 149754782900SOr Gerlitz if (mask->ip_proto) 1498d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 149954782900SOr Gerlitz } 150054782900SOr Gerlitz 1501e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1502e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *key = 1503e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1504e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1505e3a2b7edSAmir Vadai f->key); 1506e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *mask = 1507e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1508e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1509e3a2b7edSAmir Vadai f->mask); 1510e3a2b7edSAmir Vadai 1511e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1512e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1513e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1514e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1515e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1516e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1517e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1518e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1519e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1520e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1521e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1522e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1523de0af0bfSRoi Dayan 1524de0af0bfSRoi Dayan if (mask->src || mask->dst) 1525d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1526e3a2b7edSAmir Vadai } 1527e3a2b7edSAmir Vadai 1528e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 1529e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *key = 1530e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1531e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1532e3a2b7edSAmir Vadai f->key); 1533e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *mask = 1534e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1535e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1536e3a2b7edSAmir Vadai f->mask); 1537e3a2b7edSAmir Vadai 1538e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1539e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1540e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1541e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1542e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1543e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1544e3a2b7edSAmir Vadai 1545e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1546e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1547e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1548e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1549e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1550e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1551de0af0bfSRoi Dayan 1552de0af0bfSRoi Dayan if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY || 1553de0af0bfSRoi Dayan ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY) 1554d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1555e3a2b7edSAmir Vadai } 1556e3a2b7edSAmir Vadai 15571f97a526SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_IP)) { 15581f97a526SOr Gerlitz struct flow_dissector_key_ip *key = 15591f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 15601f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 15611f97a526SOr Gerlitz f->key); 15621f97a526SOr Gerlitz struct flow_dissector_key_ip *mask = 15631f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 15641f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 15651f97a526SOr Gerlitz f->mask); 15661f97a526SOr Gerlitz 15671f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 15681f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 15691f97a526SOr Gerlitz 15701f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 15711f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 15721f97a526SOr Gerlitz 1573a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1574a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 15751f97a526SOr Gerlitz 1576a8ade55fSOr Gerlitz if (mask->ttl && 1577a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1578e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1579e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1580e98bedf5SEli Britstein "Matching on TTL is not supported"); 15811f97a526SOr Gerlitz return -EOPNOTSUPP; 1582e98bedf5SEli Britstein } 1583a8ade55fSOr Gerlitz 1584a8ade55fSOr Gerlitz if (mask->tos || mask->ttl) 1585d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 15861f97a526SOr Gerlitz } 15871f97a526SOr Gerlitz 158854782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 158954782900SOr Gerlitz 1590e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) { 1591e3a2b7edSAmir Vadai struct flow_dissector_key_ports *key = 1592e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1593e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1594e3a2b7edSAmir Vadai f->key); 1595e3a2b7edSAmir Vadai struct flow_dissector_key_ports *mask = 1596e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1597e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1598e3a2b7edSAmir Vadai f->mask); 1599e3a2b7edSAmir Vadai switch (ip_proto) { 1600e3a2b7edSAmir Vadai case IPPROTO_TCP: 1601e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1602e3a2b7edSAmir Vadai tcp_sport, ntohs(mask->src)); 1603e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1604e3a2b7edSAmir Vadai tcp_sport, ntohs(key->src)); 1605e3a2b7edSAmir Vadai 1606e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1607e3a2b7edSAmir Vadai tcp_dport, ntohs(mask->dst)); 1608e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1609e3a2b7edSAmir Vadai tcp_dport, ntohs(key->dst)); 1610e3a2b7edSAmir Vadai break; 1611e3a2b7edSAmir Vadai 1612e3a2b7edSAmir Vadai case IPPROTO_UDP: 1613e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1614e3a2b7edSAmir Vadai udp_sport, ntohs(mask->src)); 1615e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1616e3a2b7edSAmir Vadai udp_sport, ntohs(key->src)); 1617e3a2b7edSAmir Vadai 1618e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1619e3a2b7edSAmir Vadai udp_dport, ntohs(mask->dst)); 1620e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1621e3a2b7edSAmir Vadai udp_dport, ntohs(key->dst)); 1622e3a2b7edSAmir Vadai break; 1623e3a2b7edSAmir Vadai default: 1624e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1625e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1626e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1627e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1628e3a2b7edSAmir Vadai return -EINVAL; 1629e3a2b7edSAmir Vadai } 1630de0af0bfSRoi Dayan 1631de0af0bfSRoi Dayan if (mask->src || mask->dst) 1632d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1633e3a2b7edSAmir Vadai } 1634e3a2b7edSAmir Vadai 1635e77834ecSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) { 1636e77834ecSOr Gerlitz struct flow_dissector_key_tcp *key = 1637e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1638e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1639e77834ecSOr Gerlitz f->key); 1640e77834ecSOr Gerlitz struct flow_dissector_key_tcp *mask = 1641e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1642e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1643e77834ecSOr Gerlitz f->mask); 1644e77834ecSOr Gerlitz 1645e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 1646e77834ecSOr Gerlitz ntohs(mask->flags)); 1647e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 1648e77834ecSOr Gerlitz ntohs(key->flags)); 1649e77834ecSOr Gerlitz 1650e77834ecSOr Gerlitz if (mask->flags) 1651d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1652e77834ecSOr Gerlitz } 1653e77834ecSOr Gerlitz 1654e3a2b7edSAmir Vadai return 0; 1655e3a2b7edSAmir Vadai } 1656e3a2b7edSAmir Vadai 1657de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 165865ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1659de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1660de0af0bfSRoi Dayan struct tc_cls_flower_offload *f) 1661de0af0bfSRoi Dayan { 1662e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1663de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1664de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 16651d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 16661d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1667d708f902SOr Gerlitz u8 match_level; 1668de0af0bfSRoi Dayan int err; 1669de0af0bfSRoi Dayan 1670d708f902SOr Gerlitz err = __parse_cls_flower(priv, spec, f, &match_level); 1671de0af0bfSRoi Dayan 16721d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 16731d447a39SSaeed Mahameed rep = rpriv->rep; 16741d447a39SSaeed Mahameed if (rep->vport != FDB_UPLINK_VPORT && 16751d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1676d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1677e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1678e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1679de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1680de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1681d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1682de0af0bfSRoi Dayan return -EOPNOTSUPP; 1683de0af0bfSRoi Dayan } 1684de0af0bfSRoi Dayan } 1685de0af0bfSRoi Dayan 168638aa51c1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 168738aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 168838aa51c1SOr Gerlitz else 168938aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 169038aa51c1SOr Gerlitz 1691de0af0bfSRoi Dayan return err; 1692de0af0bfSRoi Dayan } 1693de0af0bfSRoi Dayan 1694d79b6df6SOr Gerlitz struct pedit_headers { 1695d79b6df6SOr Gerlitz struct ethhdr eth; 1696d79b6df6SOr Gerlitz struct iphdr ip4; 1697d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1698d79b6df6SOr Gerlitz struct tcphdr tcp; 1699d79b6df6SOr Gerlitz struct udphdr udp; 1700d79b6df6SOr Gerlitz }; 1701d79b6df6SOr Gerlitz 1702d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 1703d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 1704d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 1705d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 1706d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 1707d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1708d79b6df6SOr Gerlitz }; 1709d79b6df6SOr Gerlitz 1710d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1711d79b6df6SOr Gerlitz 1712d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1713d79b6df6SOr Gerlitz struct pedit_headers *masks, 1714d79b6df6SOr Gerlitz struct pedit_headers *vals) 1715d79b6df6SOr Gerlitz { 1716d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1717d79b6df6SOr Gerlitz 1718d79b6df6SOr Gerlitz if (hdr_type >= __PEDIT_HDR_TYPE_MAX) 1719d79b6df6SOr Gerlitz goto out_err; 1720d79b6df6SOr Gerlitz 1721d79b6df6SOr Gerlitz curr_pmask = (u32 *)(pedit_header(masks, hdr_type) + offset); 1722d79b6df6SOr Gerlitz curr_pval = (u32 *)(pedit_header(vals, hdr_type) + offset); 1723d79b6df6SOr Gerlitz 1724d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1725d79b6df6SOr Gerlitz goto out_err; 1726d79b6df6SOr Gerlitz 1727d79b6df6SOr Gerlitz *curr_pmask |= mask; 1728d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1729d79b6df6SOr Gerlitz 1730d79b6df6SOr Gerlitz return 0; 1731d79b6df6SOr Gerlitz 1732d79b6df6SOr Gerlitz out_err: 1733d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1734d79b6df6SOr Gerlitz } 1735d79b6df6SOr Gerlitz 1736d79b6df6SOr Gerlitz struct mlx5_fields { 1737d79b6df6SOr Gerlitz u8 field; 1738d79b6df6SOr Gerlitz u8 size; 1739d79b6df6SOr Gerlitz u32 offset; 1740d79b6df6SOr Gerlitz }; 1741d79b6df6SOr Gerlitz 1742a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1743a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1744a8e4f0c4SOr Gerlitz 1745d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1746a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1747a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1748a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1749a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1750a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 1751d79b6df6SOr Gerlitz 1752a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1753a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1754a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1755d79b6df6SOr Gerlitz 1756a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1757a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1758a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1759a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1760a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1761a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1762a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1763a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 17640c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1765d79b6df6SOr Gerlitz 1766a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1767a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1768a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1769d79b6df6SOr Gerlitz 1770a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1771a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1772d79b6df6SOr Gerlitz }; 1773d79b6df6SOr Gerlitz 1774d79b6df6SOr Gerlitz /* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at 1775d79b6df6SOr Gerlitz * max from the SW pedit action. On success, it says how many HW actions were 1776d79b6df6SOr Gerlitz * actually parsed. 1777d79b6df6SOr Gerlitz */ 1778d79b6df6SOr Gerlitz static int offload_pedit_fields(struct pedit_headers *masks, 1779d79b6df6SOr Gerlitz struct pedit_headers *vals, 1780e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1781e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1782d79b6df6SOr Gerlitz { 1783d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 17842b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1785d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1786d79b6df6SOr Gerlitz struct mlx5_fields *f; 1787d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1788e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1789d79b6df6SOr Gerlitz unsigned long mask; 17902b64bebaSOr Gerlitz __be32 mask_be32; 17912b64bebaSOr Gerlitz __be16 mask_be16; 1792d79b6df6SOr Gerlitz void *action; 1793d79b6df6SOr Gerlitz 1794d79b6df6SOr Gerlitz set_masks = &masks[TCA_PEDIT_KEY_EX_CMD_SET]; 1795d79b6df6SOr Gerlitz add_masks = &masks[TCA_PEDIT_KEY_EX_CMD_ADD]; 1796d79b6df6SOr Gerlitz set_vals = &vals[TCA_PEDIT_KEY_EX_CMD_SET]; 1797d79b6df6SOr Gerlitz add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD]; 1798d79b6df6SOr Gerlitz 1799d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1800d79b6df6SOr Gerlitz action = parse_attr->mod_hdr_actions; 1801d79b6df6SOr Gerlitz max_actions = parse_attr->num_mod_hdr_actions; 1802d79b6df6SOr Gerlitz nactions = 0; 1803d79b6df6SOr Gerlitz 1804d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1805d79b6df6SOr Gerlitz f = &fields[i]; 1806d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1807e3ca4e05SOr Gerlitz s_mask = 0; 1808e3ca4e05SOr Gerlitz a_mask = 0; 1809d79b6df6SOr Gerlitz 1810d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1811d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1812d79b6df6SOr Gerlitz 1813d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1814d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1815d79b6df6SOr Gerlitz 1816d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1817d79b6df6SOr Gerlitz continue; 1818d79b6df6SOr Gerlitz 1819d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1820e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1821e98bedf5SEli Britstein "can't set and add to the same HW field"); 1822d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1823d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1824d79b6df6SOr Gerlitz } 1825d79b6df6SOr Gerlitz 1826d79b6df6SOr Gerlitz if (nactions == max_actions) { 1827e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1828e98bedf5SEli Britstein "too many pedit actions, can't offload"); 1829d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1830d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1831d79b6df6SOr Gerlitz } 1832d79b6df6SOr Gerlitz 1833d79b6df6SOr Gerlitz if (s_mask) { 1834d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1835d79b6df6SOr Gerlitz mask = s_mask; 1836d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1837d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1838d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1839d79b6df6SOr Gerlitz } else { 1840d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1841d79b6df6SOr Gerlitz mask = a_mask; 1842d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1843d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1844d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1845d79b6df6SOr Gerlitz } 1846d79b6df6SOr Gerlitz 1847d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1848e3ca4e05SOr Gerlitz 18492b64bebaSOr Gerlitz if (field_bsize == 32) { 18502b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 18512b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 18522b64bebaSOr Gerlitz } else if (field_bsize == 16) { 18532b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 18542b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 18552b64bebaSOr Gerlitz } 18562b64bebaSOr Gerlitz 1857d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 18582b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1859d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 18602b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 1861e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1862e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 18632b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 1864d79b6df6SOr Gerlitz mask); 1865d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1866d79b6df6SOr Gerlitz } 1867d79b6df6SOr Gerlitz 1868d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 1869d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 1870d79b6df6SOr Gerlitz 1871d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 18722b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 1873d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 18742b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 1875d79b6df6SOr Gerlitz } 1876d79b6df6SOr Gerlitz 1877d79b6df6SOr Gerlitz if (field_bsize == 32) 18782b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 1879d79b6df6SOr Gerlitz else if (field_bsize == 16) 18802b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 1881d79b6df6SOr Gerlitz else if (field_bsize == 8) 18822b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 1883d79b6df6SOr Gerlitz 1884d79b6df6SOr Gerlitz action += action_size; 1885d79b6df6SOr Gerlitz nactions++; 1886d79b6df6SOr Gerlitz } 1887d79b6df6SOr Gerlitz 1888d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 1889d79b6df6SOr Gerlitz return 0; 1890d79b6df6SOr Gerlitz } 1891d79b6df6SOr Gerlitz 1892d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 1893d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1894d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1895d79b6df6SOr Gerlitz { 1896d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 1897d79b6df6SOr Gerlitz 1898d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1899d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1900d79b6df6SOr Gerlitz 1901d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 1902d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 1903d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 1904d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 1905d79b6df6SOr Gerlitz 1906d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 1907d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 1908d79b6df6SOr Gerlitz 1909d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 1910d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 1911d79b6df6SOr Gerlitz return -ENOMEM; 1912d79b6df6SOr Gerlitz 1913d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = max_actions; 1914d79b6df6SOr Gerlitz return 0; 1915d79b6df6SOr Gerlitz } 1916d79b6df6SOr Gerlitz 1917d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 1918d79b6df6SOr Gerlitz 1919d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 1920d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1921e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1922e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1923d79b6df6SOr Gerlitz { 1924d79b6df6SOr Gerlitz struct pedit_headers masks[__PEDIT_CMD_MAX], vals[__PEDIT_CMD_MAX], *cmd_masks; 1925d79b6df6SOr Gerlitz int nkeys, i, err = -EOPNOTSUPP; 1926d79b6df6SOr Gerlitz u32 mask, val, offset; 1927d79b6df6SOr Gerlitz u8 cmd, htype; 1928d79b6df6SOr Gerlitz 1929d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1930d79b6df6SOr Gerlitz 1931d79b6df6SOr Gerlitz memset(masks, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1932d79b6df6SOr Gerlitz memset(vals, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1933d79b6df6SOr Gerlitz 1934d79b6df6SOr Gerlitz for (i = 0; i < nkeys; i++) { 1935d79b6df6SOr Gerlitz htype = tcf_pedit_htype(a, i); 1936d79b6df6SOr Gerlitz cmd = tcf_pedit_cmd(a, i); 1937d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 1938d79b6df6SOr Gerlitz 1939d79b6df6SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK) { 1940e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1941e98bedf5SEli Britstein "legacy pedit isn't offloaded"); 1942d79b6df6SOr Gerlitz goto out_err; 1943d79b6df6SOr Gerlitz } 1944d79b6df6SOr Gerlitz 1945d79b6df6SOr Gerlitz if (cmd != TCA_PEDIT_KEY_EX_CMD_SET && cmd != TCA_PEDIT_KEY_EX_CMD_ADD) { 1946e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "pedit cmd isn't offloaded"); 1947d79b6df6SOr Gerlitz goto out_err; 1948d79b6df6SOr Gerlitz } 1949d79b6df6SOr Gerlitz 1950d79b6df6SOr Gerlitz mask = tcf_pedit_mask(a, i); 1951d79b6df6SOr Gerlitz val = tcf_pedit_val(a, i); 1952d79b6df6SOr Gerlitz offset = tcf_pedit_offset(a, i); 1953d79b6df6SOr Gerlitz 1954d79b6df6SOr Gerlitz err = set_pedit_val(htype, ~mask, val, offset, &masks[cmd], &vals[cmd]); 1955d79b6df6SOr Gerlitz if (err) 1956d79b6df6SOr Gerlitz goto out_err; 1957d79b6df6SOr Gerlitz } 1958d79b6df6SOr Gerlitz 1959d79b6df6SOr Gerlitz err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); 1960d79b6df6SOr Gerlitz if (err) 1961d79b6df6SOr Gerlitz goto out_err; 1962d79b6df6SOr Gerlitz 1963e98bedf5SEli Britstein err = offload_pedit_fields(masks, vals, parse_attr, extack); 1964d79b6df6SOr Gerlitz if (err < 0) 1965d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 1966d79b6df6SOr Gerlitz 1967d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 1968d79b6df6SOr Gerlitz cmd_masks = &masks[cmd]; 1969d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 1970e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1971e98bedf5SEli Britstein "attempt to offload an unsupported field"); 1972b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 1973d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 1974d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 1975d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 1976d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 1977d79b6df6SOr Gerlitz } 1978d79b6df6SOr Gerlitz } 1979d79b6df6SOr Gerlitz 1980d79b6df6SOr Gerlitz return 0; 1981d79b6df6SOr Gerlitz 1982d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 1983d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1984d79b6df6SOr Gerlitz out_err: 1985d79b6df6SOr Gerlitz return err; 1986d79b6df6SOr Gerlitz } 1987d79b6df6SOr Gerlitz 1988e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 1989e98bedf5SEli Britstein u32 action, 1990e98bedf5SEli Britstein u32 update_flags, 1991e98bedf5SEli Britstein struct netlink_ext_ack *extack) 199226c02749SOr Gerlitz { 199326c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 199426c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 199526c02749SOr Gerlitz 199626c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 199726c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 1998e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1999e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 200026c02749SOr Gerlitz netdev_warn(priv->netdev, 200126c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 200226c02749SOr Gerlitz return false; 200326c02749SOr Gerlitz } 200426c02749SOr Gerlitz 200526c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2006e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2007e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 200826c02749SOr Gerlitz netdev_warn(priv->netdev, 200926c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 201026c02749SOr Gerlitz update_flags); 201126c02749SOr Gerlitz return false; 201226c02749SOr Gerlitz } 201326c02749SOr Gerlitz 201426c02749SOr Gerlitz return true; 201526c02749SOr Gerlitz } 201626c02749SOr Gerlitz 2017bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 2018e98bedf5SEli Britstein struct tcf_exts *exts, 2019e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2020bdd66ac0SOr Gerlitz { 2021bdd66ac0SOr Gerlitz const struct tc_action *a; 2022bdd66ac0SOr Gerlitz bool modify_ip_header; 2023bdd66ac0SOr Gerlitz LIST_HEAD(actions); 2024bdd66ac0SOr Gerlitz u8 htype, ip_proto; 2025bdd66ac0SOr Gerlitz void *headers_v; 2026bdd66ac0SOr Gerlitz u16 ethertype; 2027bdd66ac0SOr Gerlitz int nkeys, i; 2028bdd66ac0SOr Gerlitz 2029bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2030bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2031bdd66ac0SOr Gerlitz 2032bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2033bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2034bdd66ac0SOr Gerlitz goto out_ok; 2035bdd66ac0SOr Gerlitz 2036bdd66ac0SOr Gerlitz modify_ip_header = false; 2037244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 2038244cd96aSCong Wang int k; 2039244cd96aSCong Wang 2040bdd66ac0SOr Gerlitz if (!is_tcf_pedit(a)) 2041bdd66ac0SOr Gerlitz continue; 2042bdd66ac0SOr Gerlitz 2043bdd66ac0SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2044244cd96aSCong Wang for (k = 0; k < nkeys; k++) { 2045244cd96aSCong Wang htype = tcf_pedit_htype(a, k); 2046bdd66ac0SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP4 || 2047bdd66ac0SOr Gerlitz htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP6) { 2048bdd66ac0SOr Gerlitz modify_ip_header = true; 2049bdd66ac0SOr Gerlitz break; 2050bdd66ac0SOr Gerlitz } 2051bdd66ac0SOr Gerlitz } 2052bdd66ac0SOr Gerlitz } 2053bdd66ac0SOr Gerlitz 2054bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 20551ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 20561ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2057e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2058e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2059bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2060bdd66ac0SOr Gerlitz return false; 2061bdd66ac0SOr Gerlitz } 2062bdd66ac0SOr Gerlitz 2063bdd66ac0SOr Gerlitz out_ok: 2064bdd66ac0SOr Gerlitz return true; 2065bdd66ac0SOr Gerlitz } 2066bdd66ac0SOr Gerlitz 2067bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 2068bdd66ac0SOr Gerlitz struct tcf_exts *exts, 2069bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2070e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2071e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2072bdd66ac0SOr Gerlitz { 2073bdd66ac0SOr Gerlitz u32 actions; 2074bdd66ac0SOr Gerlitz 2075bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2076bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2077bdd66ac0SOr Gerlitz else 2078bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2079bdd66ac0SOr Gerlitz 20807e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 20817e29392eSRoi Dayan !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) 20827e29392eSRoi Dayan return false; 20837e29392eSRoi Dayan 2084bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 2085e98bedf5SEli Britstein return modify_header_match_supported(&parse_attr->spec, exts, 2086e98bedf5SEli Britstein extack); 2087bdd66ac0SOr Gerlitz 2088bdd66ac0SOr Gerlitz return true; 2089bdd66ac0SOr Gerlitz } 2090bdd66ac0SOr Gerlitz 20915c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 20925c65c564SOr Gerlitz { 20935c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2094816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 20955c65c564SOr Gerlitz 20965c65c564SOr Gerlitz fmdev = priv->mdev; 20975c65c564SOr Gerlitz pmdev = peer_priv->mdev; 20985c65c564SOr Gerlitz 209959c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 210059c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 21015c65c564SOr Gerlitz 2102816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 21035c65c564SOr Gerlitz } 21045c65c564SOr Gerlitz 21055c40348cSOr Gerlitz static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2106aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2107e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2108e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2109e3a2b7edSAmir Vadai { 2110aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 2111e3a2b7edSAmir Vadai const struct tc_action *a; 211222dc13c8SWANG Cong LIST_HEAD(actions); 21131cab1cd7SOr Gerlitz u32 action = 0; 2114244cd96aSCong Wang int err, i; 2115e3a2b7edSAmir Vadai 21163bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 2117e3a2b7edSAmir Vadai return -EINVAL; 2118e3a2b7edSAmir Vadai 21193bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2120e3a2b7edSAmir Vadai 2121244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 2122e3a2b7edSAmir Vadai if (is_tcf_gact_shot(a)) { 21231cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2124aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2125aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 21261cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2127e3a2b7edSAmir Vadai continue; 2128e3a2b7edSAmir Vadai } 2129e3a2b7edSAmir Vadai 21302f4fe4caSOr Gerlitz if (is_tcf_pedit(a)) { 21312f4fe4caSOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_KERNEL, 2132e98bedf5SEli Britstein parse_attr, extack); 21332f4fe4caSOr Gerlitz if (err) 21342f4fe4caSOr Gerlitz return err; 21352f4fe4caSOr Gerlitz 21361cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 21372f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 21382f4fe4caSOr Gerlitz continue; 21392f4fe4caSOr Gerlitz } 21402f4fe4caSOr Gerlitz 214126c02749SOr Gerlitz if (is_tcf_csum(a)) { 21421cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 2143e98bedf5SEli Britstein tcf_csum_update_flags(a), 2144e98bedf5SEli Britstein extack)) 214526c02749SOr Gerlitz continue; 214626c02749SOr Gerlitz 214726c02749SOr Gerlitz return -EOPNOTSUPP; 214826c02749SOr Gerlitz } 214926c02749SOr Gerlitz 21505c65c564SOr Gerlitz if (is_tcf_mirred_egress_redirect(a)) { 21515c65c564SOr Gerlitz struct net_device *peer_dev = tcf_mirred_dev(a); 21525c65c564SOr Gerlitz 21535c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 21545c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 21555c65c564SOr Gerlitz parse_attr->mirred_ifindex = peer_dev->ifindex; 21565c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 21571cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 21585c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 21595c65c564SOr Gerlitz } else { 2160e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2161e98bedf5SEli Britstein "device is not on same HW, can't offload"); 21625c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 21635c65c564SOr Gerlitz peer_dev->name); 21645c65c564SOr Gerlitz return -EINVAL; 21655c65c564SOr Gerlitz } 21665c65c564SOr Gerlitz continue; 21675c65c564SOr Gerlitz } 21685c65c564SOr Gerlitz 2169e3a2b7edSAmir Vadai if (is_tcf_skbedit_mark(a)) { 2170e3a2b7edSAmir Vadai u32 mark = tcf_skbedit_mark(a); 2171e3a2b7edSAmir Vadai 2172e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2173e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2174e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2175e3a2b7edSAmir Vadai return -EINVAL; 2176e3a2b7edSAmir Vadai } 2177e3a2b7edSAmir Vadai 21783bc4b7bfSOr Gerlitz attr->flow_tag = mark; 21791cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2180e3a2b7edSAmir Vadai continue; 2181e3a2b7edSAmir Vadai } 2182e3a2b7edSAmir Vadai 2183e3a2b7edSAmir Vadai return -EINVAL; 2184e3a2b7edSAmir Vadai } 2185e3a2b7edSAmir Vadai 21861cab1cd7SOr Gerlitz attr->action = action; 2187e98bedf5SEli Britstein if (!actions_match_supported(priv, exts, parse_attr, flow, extack)) 2188bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2189bdd66ac0SOr Gerlitz 2190e3a2b7edSAmir Vadai return 0; 2191e3a2b7edSAmir Vadai } 2192e3a2b7edSAmir Vadai 219376f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 219476f7444dSOr Gerlitz struct ip_tunnel_key *b) 2195a54e20b4SHadar Hen Zion { 2196a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2197a54e20b4SHadar Hen Zion } 2198a54e20b4SHadar Hen Zion 219976f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2200a54e20b4SHadar Hen Zion { 220176f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2202a54e20b4SHadar Hen Zion } 2203a54e20b4SHadar Hen Zion 2204a54e20b4SHadar Hen Zion static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, 2205a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 2206a54e20b4SHadar Hen Zion struct net_device **out_dev, 2207a54e20b4SHadar Hen Zion struct flowi4 *fl4, 2208a54e20b4SHadar Hen Zion struct neighbour **out_n, 22096360cd62SOr Gerlitz u8 *out_ttl) 2210a54e20b4SHadar Hen Zion { 22113e621b19SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 22125ed99fb4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv; 2213a54e20b4SHadar Hen Zion struct rtable *rt; 2214a54e20b4SHadar Hen Zion struct neighbour *n = NULL; 2215a54e20b4SHadar Hen Zion 2216a54e20b4SHadar Hen Zion #if IS_ENABLED(CONFIG_INET) 2217abeffce9SArnd Bergmann int ret; 2218abeffce9SArnd Bergmann 2219a54e20b4SHadar Hen Zion rt = ip_route_output_key(dev_net(mirred_dev), fl4); 2220abeffce9SArnd Bergmann ret = PTR_ERR_OR_ZERO(rt); 2221abeffce9SArnd Bergmann if (ret) 2222abeffce9SArnd Bergmann return ret; 2223a54e20b4SHadar Hen Zion #else 2224a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2225a54e20b4SHadar Hen Zion #endif 2226a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 22273e621b19SHadar Hen Zion /* if the egress device isn't on the same HW e-switch, we use the uplink */ 22283e621b19SHadar Hen Zion if (!switchdev_port_same_parent_id(priv->netdev, rt->dst.dev)) 22295ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 22303e621b19SHadar Hen Zion else 22313e621b19SHadar Hen Zion *out_dev = rt->dst.dev; 2232a54e20b4SHadar Hen Zion 22336360cd62SOr Gerlitz if (!(*out_ttl)) 223475c33da8SOr Gerlitz *out_ttl = ip4_dst_hoplimit(&rt->dst); 2235a54e20b4SHadar Hen Zion n = dst_neigh_lookup(&rt->dst, &fl4->daddr); 2236a54e20b4SHadar Hen Zion ip_rt_put(rt); 2237a54e20b4SHadar Hen Zion if (!n) 2238a54e20b4SHadar Hen Zion return -ENOMEM; 2239a54e20b4SHadar Hen Zion 2240a54e20b4SHadar Hen Zion *out_n = n; 2241a54e20b4SHadar Hen Zion return 0; 2242a54e20b4SHadar Hen Zion } 2243a54e20b4SHadar Hen Zion 2244b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2245b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2246b1d90e6bSRabie Loulou { 2247b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2248b1d90e6bSRabie Loulou 2249b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2250b1d90e6bSRabie Loulou 2251b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 2252b1d90e6bSRabie Loulou (priv->netdev->netdev_ops == peer_netdev->netdev_ops) && 2253b1d90e6bSRabie Loulou same_hw_devs(priv, peer_priv) && 2254b1d90e6bSRabie Loulou MLX5_VPORT_MANAGER(peer_priv->mdev) && 2255b1d90e6bSRabie Loulou (peer_priv->mdev->priv.eswitch->mode == SRIOV_OFFLOADS)); 2256b1d90e6bSRabie Loulou } 2257b1d90e6bSRabie Loulou 2258ce99f6b9SOr Gerlitz static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, 2259ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 2260ce99f6b9SOr Gerlitz struct net_device **out_dev, 2261ce99f6b9SOr Gerlitz struct flowi6 *fl6, 2262ce99f6b9SOr Gerlitz struct neighbour **out_n, 22636360cd62SOr Gerlitz u8 *out_ttl) 2264ce99f6b9SOr Gerlitz { 2265ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2266ce99f6b9SOr Gerlitz struct dst_entry *dst; 2267ce99f6b9SOr Gerlitz 2268ce99f6b9SOr Gerlitz #if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6) 226974bd5d56SArnd Bergmann struct mlx5e_rep_priv *uplink_rpriv; 2270ce99f6b9SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2271ce99f6b9SOr Gerlitz int ret; 2272ce99f6b9SOr Gerlitz 227308820528SPaul Blakey ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst, 227408820528SPaul Blakey fl6); 227508820528SPaul Blakey if (ret < 0) 2276ce99f6b9SOr Gerlitz return ret; 2277ce99f6b9SOr Gerlitz 22786360cd62SOr Gerlitz if (!(*out_ttl)) 2279ce99f6b9SOr Gerlitz *out_ttl = ip6_dst_hoplimit(dst); 2280ce99f6b9SOr Gerlitz 2281a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2282ce99f6b9SOr Gerlitz /* if the egress device isn't on the same HW e-switch, we use the uplink */ 2283ce99f6b9SOr Gerlitz if (!switchdev_port_same_parent_id(priv->netdev, dst->dev)) 22845ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 2285ce99f6b9SOr Gerlitz else 2286ce99f6b9SOr Gerlitz *out_dev = dst->dev; 2287ce99f6b9SOr Gerlitz #else 2288ce99f6b9SOr Gerlitz return -EOPNOTSUPP; 2289ce99f6b9SOr Gerlitz #endif 2290ce99f6b9SOr Gerlitz 2291ce99f6b9SOr Gerlitz n = dst_neigh_lookup(dst, &fl6->daddr); 2292ce99f6b9SOr Gerlitz dst_release(dst); 2293ce99f6b9SOr Gerlitz if (!n) 2294ce99f6b9SOr Gerlitz return -ENOMEM; 2295ce99f6b9SOr Gerlitz 2296ce99f6b9SOr Gerlitz *out_n = n; 2297ce99f6b9SOr Gerlitz return 0; 2298ce99f6b9SOr Gerlitz } 2299ce99f6b9SOr Gerlitz 230032f3671fSOr Gerlitz static void gen_vxlan_header_ipv4(struct net_device *out_dev, 230132f3671fSOr Gerlitz char buf[], int encap_size, 2302a54e20b4SHadar Hen Zion unsigned char h_dest[ETH_ALEN], 2303f35f800dSOr Gerlitz u8 tos, u8 ttl, 2304a54e20b4SHadar Hen Zion __be32 daddr, 2305a54e20b4SHadar Hen Zion __be32 saddr, 2306a54e20b4SHadar Hen Zion __be16 udp_dst_port, 2307a54e20b4SHadar Hen Zion __be32 vx_vni) 2308a54e20b4SHadar Hen Zion { 2309a54e20b4SHadar Hen Zion struct ethhdr *eth = (struct ethhdr *)buf; 2310a54e20b4SHadar Hen Zion struct iphdr *ip = (struct iphdr *)((char *)eth + sizeof(struct ethhdr)); 2311a54e20b4SHadar Hen Zion struct udphdr *udp = (struct udphdr *)((char *)ip + sizeof(struct iphdr)); 2312a54e20b4SHadar Hen Zion struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2313a54e20b4SHadar Hen Zion 2314a54e20b4SHadar Hen Zion memset(buf, 0, encap_size); 2315a54e20b4SHadar Hen Zion 2316a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_dest, h_dest); 2317a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_source, out_dev->dev_addr); 2318a54e20b4SHadar Hen Zion eth->h_proto = htons(ETH_P_IP); 2319a54e20b4SHadar Hen Zion 2320a54e20b4SHadar Hen Zion ip->daddr = daddr; 2321a54e20b4SHadar Hen Zion ip->saddr = saddr; 2322a54e20b4SHadar Hen Zion 2323f35f800dSOr Gerlitz ip->tos = tos; 2324a54e20b4SHadar Hen Zion ip->ttl = ttl; 2325a54e20b4SHadar Hen Zion ip->protocol = IPPROTO_UDP; 2326a54e20b4SHadar Hen Zion ip->version = 0x4; 2327a54e20b4SHadar Hen Zion ip->ihl = 0x5; 2328a54e20b4SHadar Hen Zion 2329a54e20b4SHadar Hen Zion udp->dest = udp_dst_port; 2330a54e20b4SHadar Hen Zion vxh->vx_flags = VXLAN_HF_VNI; 2331a54e20b4SHadar Hen Zion vxh->vx_vni = vxlan_vni_field(vx_vni); 2332a54e20b4SHadar Hen Zion } 2333a54e20b4SHadar Hen Zion 2334225aabafSOr Gerlitz static void gen_vxlan_header_ipv6(struct net_device *out_dev, 2335225aabafSOr Gerlitz char buf[], int encap_size, 2336ce99f6b9SOr Gerlitz unsigned char h_dest[ETH_ALEN], 2337f35f800dSOr Gerlitz u8 tos, u8 ttl, 2338ce99f6b9SOr Gerlitz struct in6_addr *daddr, 2339ce99f6b9SOr Gerlitz struct in6_addr *saddr, 2340ce99f6b9SOr Gerlitz __be16 udp_dst_port, 2341ce99f6b9SOr Gerlitz __be32 vx_vni) 2342ce99f6b9SOr Gerlitz { 2343ce99f6b9SOr Gerlitz struct ethhdr *eth = (struct ethhdr *)buf; 2344ce99f6b9SOr Gerlitz struct ipv6hdr *ip6h = (struct ipv6hdr *)((char *)eth + sizeof(struct ethhdr)); 2345ce99f6b9SOr Gerlitz struct udphdr *udp = (struct udphdr *)((char *)ip6h + sizeof(struct ipv6hdr)); 2346ce99f6b9SOr Gerlitz struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2347ce99f6b9SOr Gerlitz 2348ce99f6b9SOr Gerlitz memset(buf, 0, encap_size); 2349ce99f6b9SOr Gerlitz 2350ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_dest, h_dest); 2351ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_source, out_dev->dev_addr); 2352ce99f6b9SOr Gerlitz eth->h_proto = htons(ETH_P_IPV6); 2353ce99f6b9SOr Gerlitz 2354f35f800dSOr Gerlitz ip6_flow_hdr(ip6h, tos, 0); 2355ce99f6b9SOr Gerlitz /* the HW fills up ipv6 payload len */ 2356ce99f6b9SOr Gerlitz ip6h->nexthdr = IPPROTO_UDP; 2357ce99f6b9SOr Gerlitz ip6h->hop_limit = ttl; 2358ce99f6b9SOr Gerlitz ip6h->daddr = *daddr; 2359ce99f6b9SOr Gerlitz ip6h->saddr = *saddr; 2360ce99f6b9SOr Gerlitz 2361ce99f6b9SOr Gerlitz udp->dest = udp_dst_port; 2362ce99f6b9SOr Gerlitz vxh->vx_flags = VXLAN_HF_VNI; 2363ce99f6b9SOr Gerlitz vxh->vx_vni = vxlan_vni_field(vx_vni); 2364ce99f6b9SOr Gerlitz } 2365ce99f6b9SOr Gerlitz 2366a54e20b4SHadar Hen Zion static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, 2367a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 23681a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2369a54e20b4SHadar Hen Zion { 2370a54e20b4SHadar Hen Zion int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 237132f3671fSOr Gerlitz int ipv4_encap_size = ETH_HLEN + sizeof(struct iphdr) + VXLAN_HLEN; 237276f7444dSOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 23731a8552bdSHadar Hen Zion struct net_device *out_dev; 2374a42485ebSOr Gerlitz struct neighbour *n = NULL; 2375a54e20b4SHadar Hen Zion struct flowi4 fl4 = {}; 2376f35f800dSOr Gerlitz u8 nud_state, tos, ttl; 2377a54e20b4SHadar Hen Zion char *encap_header; 23786360cd62SOr Gerlitz int err; 2379a54e20b4SHadar Hen Zion 238032f3671fSOr Gerlitz if (max_encap_size < ipv4_encap_size) { 238132f3671fSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 238232f3671fSOr Gerlitz ipv4_encap_size, max_encap_size); 238332f3671fSOr Gerlitz return -EOPNOTSUPP; 238432f3671fSOr Gerlitz } 238532f3671fSOr Gerlitz 238632f3671fSOr Gerlitz encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL); 2387a54e20b4SHadar Hen Zion if (!encap_header) 2388a54e20b4SHadar Hen Zion return -ENOMEM; 2389a54e20b4SHadar Hen Zion 2390a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 2391a54e20b4SHadar Hen Zion case MLX5_HEADER_TYPE_VXLAN: 2392a54e20b4SHadar Hen Zion fl4.flowi4_proto = IPPROTO_UDP; 239376f7444dSOr Gerlitz fl4.fl4_dport = tun_key->tp_dst; 2394a54e20b4SHadar Hen Zion break; 2395a54e20b4SHadar Hen Zion default: 2396a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2397ace74321SPaul Blakey goto free_encap; 2398a54e20b4SHadar Hen Zion } 23996360cd62SOr Gerlitz 2400f35f800dSOr Gerlitz tos = tun_key->tos; 2401f35f800dSOr Gerlitz ttl = tun_key->ttl; 24026360cd62SOr Gerlitz 24039a941117SOr Gerlitz fl4.flowi4_tos = tun_key->tos; 240476f7444dSOr Gerlitz fl4.daddr = tun_key->u.ipv4.dst; 24059a941117SOr Gerlitz fl4.saddr = tun_key->u.ipv4.src; 2406a54e20b4SHadar Hen Zion 24071a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv4(priv, mirred_dev, &out_dev, 24089a941117SOr Gerlitz &fl4, &n, &ttl); 2409a54e20b4SHadar Hen Zion if (err) 2410ace74321SPaul Blakey goto free_encap; 2411a54e20b4SHadar Hen Zion 2412232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2413232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2414232c0013SHadar Hen Zion */ 2415232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2416f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2417232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2418232c0013SHadar Hen Zion e->out_dev = out_dev; 2419232c0013SHadar Hen Zion 2420232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2421232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2422232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2423232c0013SHadar Hen Zion * in the hash. 2424232c0013SHadar Hen Zion */ 2425232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2426232c0013SHadar Hen Zion if (err) 2427ace74321SPaul Blakey goto free_encap; 2428232c0013SHadar Hen Zion 2429033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2430033354d5SHadar Hen Zion nud_state = n->nud_state; 2431033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2432033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2433033354d5SHadar Hen Zion 2434a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 2435a54e20b4SHadar Hen Zion case MLX5_HEADER_TYPE_VXLAN: 24361a8552bdSHadar Hen Zion gen_vxlan_header_ipv4(out_dev, encap_header, 2437f35f800dSOr Gerlitz ipv4_encap_size, e->h_dest, tos, ttl, 24389a941117SOr Gerlitz fl4.daddr, 24399a941117SOr Gerlitz fl4.saddr, tun_key->tp_dst, 244076f7444dSOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2441a54e20b4SHadar Hen Zion break; 2442a54e20b4SHadar Hen Zion default: 2443a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2444232c0013SHadar Hen Zion goto destroy_neigh_entry; 2445232c0013SHadar Hen Zion } 2446232c0013SHadar Hen Zion e->encap_size = ipv4_encap_size; 2447232c0013SHadar Hen Zion e->encap_header = encap_header; 2448232c0013SHadar Hen Zion 2449232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2450232c0013SHadar Hen Zion neigh_event_send(n, NULL); 245127902f08SWei Yongjun err = -EAGAIN; 245227902f08SWei Yongjun goto out; 2453a54e20b4SHadar Hen Zion } 2454a54e20b4SHadar Hen Zion 2455a54e20b4SHadar Hen Zion err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 245632f3671fSOr Gerlitz ipv4_encap_size, encap_header, &e->encap_id); 2457232c0013SHadar Hen Zion if (err) 2458232c0013SHadar Hen Zion goto destroy_neigh_entry; 2459232c0013SHadar Hen Zion 2460232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2461f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2462a42485ebSOr Gerlitz neigh_release(n); 2463232c0013SHadar Hen Zion return err; 2464232c0013SHadar Hen Zion 2465232c0013SHadar Hen Zion destroy_neigh_entry: 2466232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2467ace74321SPaul Blakey free_encap: 2468a54e20b4SHadar Hen Zion kfree(encap_header); 2469ace74321SPaul Blakey out: 2470232c0013SHadar Hen Zion if (n) 2471232c0013SHadar Hen Zion neigh_release(n); 2472a54e20b4SHadar Hen Zion return err; 2473a54e20b4SHadar Hen Zion } 2474a54e20b4SHadar Hen Zion 2475ce99f6b9SOr Gerlitz static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv, 2476ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 24771a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2478ce99f6b9SOr Gerlitz { 2479ce99f6b9SOr Gerlitz int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 2480225aabafSOr Gerlitz int ipv6_encap_size = ETH_HLEN + sizeof(struct ipv6hdr) + VXLAN_HLEN; 2481ce99f6b9SOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 24821a8552bdSHadar Hen Zion struct net_device *out_dev; 2483ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2484ce99f6b9SOr Gerlitz struct flowi6 fl6 = {}; 2485f35f800dSOr Gerlitz u8 nud_state, tos, ttl; 2486ce99f6b9SOr Gerlitz char *encap_header; 24876360cd62SOr Gerlitz int err; 2488ce99f6b9SOr Gerlitz 2489225aabafSOr Gerlitz if (max_encap_size < ipv6_encap_size) { 2490225aabafSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 2491225aabafSOr Gerlitz ipv6_encap_size, max_encap_size); 2492225aabafSOr Gerlitz return -EOPNOTSUPP; 2493225aabafSOr Gerlitz } 2494225aabafSOr Gerlitz 2495225aabafSOr Gerlitz encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL); 2496ce99f6b9SOr Gerlitz if (!encap_header) 2497ce99f6b9SOr Gerlitz return -ENOMEM; 2498ce99f6b9SOr Gerlitz 2499ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 2500ce99f6b9SOr Gerlitz case MLX5_HEADER_TYPE_VXLAN: 2501ce99f6b9SOr Gerlitz fl6.flowi6_proto = IPPROTO_UDP; 2502ce99f6b9SOr Gerlitz fl6.fl6_dport = tun_key->tp_dst; 2503ce99f6b9SOr Gerlitz break; 2504ce99f6b9SOr Gerlitz default: 2505ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2506ace74321SPaul Blakey goto free_encap; 2507ce99f6b9SOr Gerlitz } 2508ce99f6b9SOr Gerlitz 2509f35f800dSOr Gerlitz tos = tun_key->tos; 2510f35f800dSOr Gerlitz ttl = tun_key->ttl; 25116360cd62SOr Gerlitz 2512ce99f6b9SOr Gerlitz fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label); 2513ce99f6b9SOr Gerlitz fl6.daddr = tun_key->u.ipv6.dst; 2514ce99f6b9SOr Gerlitz fl6.saddr = tun_key->u.ipv6.src; 2515ce99f6b9SOr Gerlitz 25161a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv6(priv, mirred_dev, &out_dev, 2517ce99f6b9SOr Gerlitz &fl6, &n, &ttl); 2518ce99f6b9SOr Gerlitz if (err) 2519ace74321SPaul Blakey goto free_encap; 2520ce99f6b9SOr Gerlitz 2521232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2522232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2523232c0013SHadar Hen Zion */ 2524232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2525f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2526232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2527232c0013SHadar Hen Zion e->out_dev = out_dev; 2528232c0013SHadar Hen Zion 2529232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2530232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2531232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2532232c0013SHadar Hen Zion * in the hash. 2533232c0013SHadar Hen Zion */ 2534232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2535232c0013SHadar Hen Zion if (err) 2536ace74321SPaul Blakey goto free_encap; 2537232c0013SHadar Hen Zion 2538033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2539033354d5SHadar Hen Zion nud_state = n->nud_state; 2540033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2541033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2542033354d5SHadar Hen Zion 2543ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 2544ce99f6b9SOr Gerlitz case MLX5_HEADER_TYPE_VXLAN: 25451a8552bdSHadar Hen Zion gen_vxlan_header_ipv6(out_dev, encap_header, 2546f35f800dSOr Gerlitz ipv6_encap_size, e->h_dest, tos, ttl, 2547ce99f6b9SOr Gerlitz &fl6.daddr, 2548ce99f6b9SOr Gerlitz &fl6.saddr, tun_key->tp_dst, 2549ce99f6b9SOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2550ce99f6b9SOr Gerlitz break; 2551ce99f6b9SOr Gerlitz default: 2552ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2553232c0013SHadar Hen Zion goto destroy_neigh_entry; 2554232c0013SHadar Hen Zion } 2555232c0013SHadar Hen Zion 2556232c0013SHadar Hen Zion e->encap_size = ipv6_encap_size; 2557232c0013SHadar Hen Zion e->encap_header = encap_header; 2558232c0013SHadar Hen Zion 2559232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2560232c0013SHadar Hen Zion neigh_event_send(n, NULL); 256127902f08SWei Yongjun err = -EAGAIN; 256227902f08SWei Yongjun goto out; 2563ce99f6b9SOr Gerlitz } 2564ce99f6b9SOr Gerlitz 2565ce99f6b9SOr Gerlitz err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 2566225aabafSOr Gerlitz ipv6_encap_size, encap_header, &e->encap_id); 2567232c0013SHadar Hen Zion if (err) 2568232c0013SHadar Hen Zion goto destroy_neigh_entry; 2569232c0013SHadar Hen Zion 2570232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2571f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2572ce99f6b9SOr Gerlitz neigh_release(n); 2573232c0013SHadar Hen Zion return err; 2574232c0013SHadar Hen Zion 2575232c0013SHadar Hen Zion destroy_neigh_entry: 2576232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2577ace74321SPaul Blakey free_encap: 2578ce99f6b9SOr Gerlitz kfree(encap_header); 2579ace74321SPaul Blakey out: 2580232c0013SHadar Hen Zion if (n) 2581232c0013SHadar Hen Zion neigh_release(n); 2582ce99f6b9SOr Gerlitz return err; 2583ce99f6b9SOr Gerlitz } 2584ce99f6b9SOr Gerlitz 2585a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2586a54e20b4SHadar Hen Zion struct ip_tunnel_info *tun_info, 2587a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 258845247bf2SOr Gerlitz struct net_device **encap_dev, 2589e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2590e98bedf5SEli Britstein struct netlink_ext_ack *extack) 259103a9d11eSOr Gerlitz { 2592a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2593a54e20b4SHadar Hen Zion unsigned short family = ip_tunnel_info_af(tun_info); 259445247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2595a54e20b4SHadar Hen Zion struct ip_tunnel_key *key = &tun_info->key; 2596c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 259745247bf2SOr Gerlitz int tunnel_type, err = 0; 2598a54e20b4SHadar Hen Zion uintptr_t hash_key; 2599a54e20b4SHadar Hen Zion bool found = false; 2600a54e20b4SHadar Hen Zion 26012fcd82e9SOr Gerlitz /* udp dst port must be set */ 2602a54e20b4SHadar Hen Zion if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst))) 26032fcd82e9SOr Gerlitz goto vxlan_encap_offload_err; 2604a54e20b4SHadar Hen Zion 2605cd377663SOr Gerlitz /* setting udp src port isn't supported */ 26062fcd82e9SOr Gerlitz if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) { 26072fcd82e9SOr Gerlitz vxlan_encap_offload_err: 2608e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2609e98bedf5SEli Britstein "must set udp dst port and not set udp src port"); 26102fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 26112fcd82e9SOr Gerlitz "must set udp dst port and not set udp src port\n"); 2612cd377663SOr Gerlitz return -EOPNOTSUPP; 26132fcd82e9SOr Gerlitz } 2614cd377663SOr Gerlitz 2615a3e67366SSaeed Mahameed if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, be16_to_cpu(key->tp_dst)) && 2616a54e20b4SHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { 2617a54e20b4SHadar Hen Zion tunnel_type = MLX5_HEADER_TYPE_VXLAN; 2618a54e20b4SHadar Hen Zion } else { 2619e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2620e98bedf5SEli Britstein "port isn't an offloaded vxlan udp dport"); 26212fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 26222fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->tp_dst)); 2623a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2624a54e20b4SHadar Hen Zion } 2625a54e20b4SHadar Hen Zion 262676f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2627a54e20b4SHadar Hen Zion 2628a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2629a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 263076f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2631a54e20b4SHadar Hen Zion found = true; 2632a54e20b4SHadar Hen Zion break; 2633a54e20b4SHadar Hen Zion } 2634a54e20b4SHadar Hen Zion } 2635a54e20b4SHadar Hen Zion 2636b2812089SVlad Buslov /* must verify if encap is valid or not */ 263745247bf2SOr Gerlitz if (found) 263845247bf2SOr Gerlitz goto attach_flow; 2639a54e20b4SHadar Hen Zion 2640a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2641a54e20b4SHadar Hen Zion if (!e) 2642a54e20b4SHadar Hen Zion return -ENOMEM; 2643a54e20b4SHadar Hen Zion 264476f7444dSOr Gerlitz e->tun_info = *tun_info; 2645a54e20b4SHadar Hen Zion e->tunnel_type = tunnel_type; 2646a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2647a54e20b4SHadar Hen Zion 2648ce99f6b9SOr Gerlitz if (family == AF_INET) 26491a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv4(priv, mirred_dev, e); 2650ce99f6b9SOr Gerlitz else if (family == AF_INET6) 26511a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv6(priv, mirred_dev, e); 2652ce99f6b9SOr Gerlitz 2653232c0013SHadar Hen Zion if (err && err != -EAGAIN) 2654a54e20b4SHadar Hen Zion goto out_err; 2655a54e20b4SHadar Hen Zion 2656a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2657a54e20b4SHadar Hen Zion 265845247bf2SOr Gerlitz attach_flow: 265945247bf2SOr Gerlitz list_add(&flow->encap, &e->flows); 266045247bf2SOr Gerlitz *encap_dev = e->out_dev; 2661232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 266245247bf2SOr Gerlitz attr->encap_id = e->encap_id; 2663b2812089SVlad Buslov else 2664b2812089SVlad Buslov err = -EAGAIN; 266545247bf2SOr Gerlitz 2666232c0013SHadar Hen Zion return err; 2667a54e20b4SHadar Hen Zion 2668a54e20b4SHadar Hen Zion out_err: 2669a54e20b4SHadar Hen Zion kfree(e); 2670a54e20b4SHadar Hen Zion return err; 2671a54e20b4SHadar Hen Zion } 2672a54e20b4SHadar Hen Zion 26731482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 26741482bd3dSJianbo Liu const struct tc_action *a, 26751482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 26761482bd3dSJianbo Liu u32 *action) 26771482bd3dSJianbo Liu { 2678cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2679cc495188SJianbo Liu 2680cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 26811482bd3dSJianbo Liu return -EOPNOTSUPP; 2682cc495188SJianbo Liu 2683cc495188SJianbo Liu if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { 2684cc495188SJianbo Liu if (vlan_idx) { 2685cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2686cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2687cc495188SJianbo Liu return -EOPNOTSUPP; 2688cc495188SJianbo Liu 2689cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2690cc495188SJianbo Liu } else { 2691cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2692cc495188SJianbo Liu } 2693cc495188SJianbo Liu } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { 2694cc495188SJianbo Liu attr->vlan_vid[vlan_idx] = tcf_vlan_push_vid(a); 2695cc495188SJianbo Liu attr->vlan_prio[vlan_idx] = tcf_vlan_push_prio(a); 2696cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = tcf_vlan_push_proto(a); 2697cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2698cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2699cc495188SJianbo Liu 2700cc495188SJianbo Liu if (vlan_idx) { 2701cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2702cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2703cc495188SJianbo Liu return -EOPNOTSUPP; 2704cc495188SJianbo Liu 2705cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2706cc495188SJianbo Liu } else { 2707cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 2708cc495188SJianbo Liu (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || 2709cc495188SJianbo Liu tcf_vlan_push_prio(a))) 2710cc495188SJianbo Liu return -EOPNOTSUPP; 2711cc495188SJianbo Liu 2712cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 27131482bd3dSJianbo Liu } 27141482bd3dSJianbo Liu } else { /* action is TCA_VLAN_ACT_MODIFY */ 27151482bd3dSJianbo Liu return -EOPNOTSUPP; 27161482bd3dSJianbo Liu } 27171482bd3dSJianbo Liu 2718cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2719cc495188SJianbo Liu 27201482bd3dSJianbo Liu return 0; 27211482bd3dSJianbo Liu } 27221482bd3dSJianbo Liu 2723a54e20b4SHadar Hen Zion static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2724d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2725e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2726e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2727a54e20b4SHadar Hen Zion { 2728ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 27291d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 2730a54e20b4SHadar Hen Zion struct ip_tunnel_info *info = NULL; 273103a9d11eSOr Gerlitz const struct tc_action *a; 273222dc13c8SWANG Cong LIST_HEAD(actions); 2733a54e20b4SHadar Hen Zion bool encap = false; 27341cab1cd7SOr Gerlitz u32 action = 0; 2735244cd96aSCong Wang int err, i; 273603a9d11eSOr Gerlitz 27373bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 273803a9d11eSOr Gerlitz return -EINVAL; 273903a9d11eSOr Gerlitz 27401d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 274110ff5359SShahar Klein attr->in_mdev = priv->mdev; 274203a9d11eSOr Gerlitz 2743244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 274403a9d11eSOr Gerlitz if (is_tcf_gact_shot(a)) { 27451cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 274603a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 274703a9d11eSOr Gerlitz continue; 274803a9d11eSOr Gerlitz } 274903a9d11eSOr Gerlitz 2750d7e75a32SOr Gerlitz if (is_tcf_pedit(a)) { 2751d7e75a32SOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_FDB, 2752e98bedf5SEli Britstein parse_attr, extack); 2753d7e75a32SOr Gerlitz if (err) 2754d7e75a32SOr Gerlitz return err; 2755d7e75a32SOr Gerlitz 27561cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2757592d3651SChris Mi attr->mirror_count = attr->out_count; 2758d7e75a32SOr Gerlitz continue; 2759d7e75a32SOr Gerlitz } 2760d7e75a32SOr Gerlitz 276126c02749SOr Gerlitz if (is_tcf_csum(a)) { 27621cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 2763e98bedf5SEli Britstein tcf_csum_update_flags(a), 2764e98bedf5SEli Britstein extack)) 276526c02749SOr Gerlitz continue; 276626c02749SOr Gerlitz 276726c02749SOr Gerlitz return -EOPNOTSUPP; 276826c02749SOr Gerlitz } 276926c02749SOr Gerlitz 2770592d3651SChris Mi if (is_tcf_mirred_egress_redirect(a) || is_tcf_mirred_egress_mirror(a)) { 277103a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2772592d3651SChris Mi struct net_device *out_dev; 277303a9d11eSOr Gerlitz 27749f8a739eSCong Wang out_dev = tcf_mirred_dev(a); 277503a9d11eSOr Gerlitz 2776592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2777e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2778e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2779592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2780592d3651SChris Mi attr->out_count); 2781592d3651SChris Mi return -EOPNOTSUPP; 2782592d3651SChris Mi } 2783592d3651SChris Mi 2784a54e20b4SHadar Hen Zion if (switchdev_port_same_parent_id(priv->netdev, 2785b1d90e6bSRabie Loulou out_dev) || 2786b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 27871cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2788e37a79e5SMark Bloch MLX5_FLOW_CONTEXT_ACTION_COUNT; 278903a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 27901d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2791592d3651SChris Mi attr->out_rep[attr->out_count] = rpriv->rep; 2792592d3651SChris Mi attr->out_mdev[attr->out_count++] = out_priv->mdev; 2793a54e20b4SHadar Hen Zion } else if (encap) { 27949f8a739eSCong Wang parse_attr->mirred_ifindex = out_dev->ifindex; 27953c37745eSOr Gerlitz parse_attr->tun_info = *info; 27963c37745eSOr Gerlitz attr->parse_attr = parse_attr; 27971cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_ENCAP | 2798a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2799a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_COUNT; 28003c37745eSOr Gerlitz /* attr->out_rep is resolved when we handle encap */ 2801a54e20b4SHadar Hen Zion } else { 2802e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2803e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2804a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2805a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2806a54e20b4SHadar Hen Zion return -EINVAL; 2807a54e20b4SHadar Hen Zion } 2808a54e20b4SHadar Hen Zion continue; 2809a54e20b4SHadar Hen Zion } 2810a54e20b4SHadar Hen Zion 2811a54e20b4SHadar Hen Zion if (is_tcf_tunnel_set(a)) { 2812a54e20b4SHadar Hen Zion info = tcf_tunnel_info(a); 2813a54e20b4SHadar Hen Zion if (info) 2814a54e20b4SHadar Hen Zion encap = true; 2815a54e20b4SHadar Hen Zion else 2816a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2817592d3651SChris Mi attr->mirror_count = attr->out_count; 281803a9d11eSOr Gerlitz continue; 281903a9d11eSOr Gerlitz } 282003a9d11eSOr Gerlitz 28218b32580dSOr Gerlitz if (is_tcf_vlan(a)) { 28221482bd3dSJianbo Liu err = parse_tc_vlan_action(priv, a, attr, &action); 28231482bd3dSJianbo Liu 28241482bd3dSJianbo Liu if (err) 28251482bd3dSJianbo Liu return err; 28261482bd3dSJianbo Liu 2827592d3651SChris Mi attr->mirror_count = attr->out_count; 28288b32580dSOr Gerlitz continue; 28298b32580dSOr Gerlitz } 28308b32580dSOr Gerlitz 2831bbd00f7eSHadar Hen Zion if (is_tcf_tunnel_release(a)) { 28321cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2833bbd00f7eSHadar Hen Zion continue; 2834bbd00f7eSHadar Hen Zion } 2835bbd00f7eSHadar Hen Zion 283603a9d11eSOr Gerlitz return -EINVAL; 283703a9d11eSOr Gerlitz } 2838bdd66ac0SOr Gerlitz 28391cab1cd7SOr Gerlitz attr->action = action; 2840e98bedf5SEli Britstein if (!actions_match_supported(priv, exts, parse_attr, flow, extack)) 2841bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2842bdd66ac0SOr Gerlitz 2843592d3651SChris Mi if (attr->out_count > 1 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 2844e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2845e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 2846592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 2847592d3651SChris Mi return -EOPNOTSUPP; 2848592d3651SChris Mi } 2849592d3651SChris Mi 285031c8eba5SOr Gerlitz return 0; 285103a9d11eSOr Gerlitz } 285203a9d11eSOr Gerlitz 285360bd4af8SOr Gerlitz static void get_flags(int flags, u8 *flow_flags) 285460bd4af8SOr Gerlitz { 285560bd4af8SOr Gerlitz u8 __flow_flags = 0; 285660bd4af8SOr Gerlitz 285760bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 285860bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 285960bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 286060bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 286160bd4af8SOr Gerlitz 286260bd4af8SOr Gerlitz *flow_flags = __flow_flags; 286360bd4af8SOr Gerlitz } 286460bd4af8SOr Gerlitz 286505866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 286605866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 286705866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 286805866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 286905866c82SOr Gerlitz .automatic_shrinking = true, 287005866c82SOr Gerlitz }; 287105866c82SOr Gerlitz 287205866c82SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv) 287305866c82SOr Gerlitz { 2874655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2875655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 2876655dc3d2SOr Gerlitz 2877655dc3d2SOr Gerlitz if (MLX5_VPORT_MANAGER(priv->mdev) && esw->mode == SRIOV_OFFLOADS) { 2878655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2879655dc3d2SOr Gerlitz return &uplink_rpriv->tc_ht; 2880655dc3d2SOr Gerlitz } else 288105866c82SOr Gerlitz return &priv->fs.tc.ht; 288205866c82SOr Gerlitz } 288305866c82SOr Gerlitz 28845fd9fc4eSJiri Pirko int mlx5e_configure_flower(struct mlx5e_priv *priv, 288560bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 2886e3a2b7edSAmir Vadai { 2887e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2888adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 288917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 289005866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 28913bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 28923bc4b7bfSOr Gerlitz int attr_size, err = 0; 289365ba8fb7SOr Gerlitz u8 flow_flags = 0; 2894e3a2b7edSAmir Vadai 289560bd4af8SOr Gerlitz get_flags(flags, &flow_flags); 289660bd4af8SOr Gerlitz 28978f8ae895SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 28988f8ae895SOr Gerlitz if (flow) { 2899e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2900e98bedf5SEli Britstein "flow cookie already exists, ignoring"); 29018f8ae895SOr Gerlitz netdev_warn_once(priv->netdev, "flow cookie %lx already exists, ignoring\n", f->cookie); 29028f8ae895SOr Gerlitz return 0; 29038f8ae895SOr Gerlitz } 29048f8ae895SOr Gerlitz 290565ba8fb7SOr Gerlitz if (esw && esw->mode == SRIOV_OFFLOADS) { 290660bd4af8SOr Gerlitz flow_flags |= MLX5E_TC_FLOW_ESWITCH; 290765ba8fb7SOr Gerlitz attr_size = sizeof(struct mlx5_esw_flow_attr); 29083bc4b7bfSOr Gerlitz } else { 290960bd4af8SOr Gerlitz flow_flags |= MLX5E_TC_FLOW_NIC; 29103bc4b7bfSOr Gerlitz attr_size = sizeof(struct mlx5_nic_flow_attr); 291165ba8fb7SOr Gerlitz } 2912776b12b6SOr Gerlitz 291365ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 29141b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 291517091853SOr Gerlitz if (!parse_attr || !flow) { 2916e3a2b7edSAmir Vadai err = -ENOMEM; 2917e3a2b7edSAmir Vadai goto err_free; 2918e3a2b7edSAmir Vadai } 2919e3a2b7edSAmir Vadai 2920e3a2b7edSAmir Vadai flow->cookie = f->cookie; 292165ba8fb7SOr Gerlitz flow->flags = flow_flags; 2922655dc3d2SOr Gerlitz flow->priv = priv; 2923e3a2b7edSAmir Vadai 292417091853SOr Gerlitz err = parse_cls_flower(priv, flow, &parse_attr->spec, f); 2925e3a2b7edSAmir Vadai if (err < 0) 2926e3a2b7edSAmir Vadai goto err_free; 2927e3a2b7edSAmir Vadai 292865ba8fb7SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 2929e98bedf5SEli Britstein err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow, 2930e98bedf5SEli Britstein extack); 2931adb4c123SOr Gerlitz if (err < 0) 29323c37745eSOr Gerlitz goto err_free; 2933e98bedf5SEli Britstein flow->rule[0] = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow, 2934e98bedf5SEli Britstein extack); 2935adb4c123SOr Gerlitz } else { 2936e98bedf5SEli Britstein err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow, 2937e98bedf5SEli Britstein extack); 2938e3a2b7edSAmir Vadai if (err < 0) 2939e3a2b7edSAmir Vadai goto err_free; 2940e98bedf5SEli Britstein flow->rule[0] = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, 2941e98bedf5SEli Britstein extack); 2942adb4c123SOr Gerlitz } 2943adb4c123SOr Gerlitz 2944e4ad91f2SChris Mi if (IS_ERR(flow->rule[0])) { 2945e4ad91f2SChris Mi err = PTR_ERR(flow->rule[0]); 29463c37745eSOr Gerlitz if (err != -EAGAIN) 2947aa0cbbaeSOr Gerlitz goto err_free; 29485c40348cSOr Gerlitz } 29495c40348cSOr Gerlitz 29503c37745eSOr Gerlitz if (err != -EAGAIN) 29510b67a38fSHadar Hen Zion flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 29523c37745eSOr Gerlitz 2953af1607c3SJianbo Liu if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 2954232c0013SHadar Hen Zion !(flow->esw_attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)) 2955232c0013SHadar Hen Zion kvfree(parse_attr); 2956e3a2b7edSAmir Vadai 295705866c82SOr Gerlitz err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 2958af1607c3SJianbo Liu if (err) { 29595e86397aSOr Gerlitz mlx5e_tc_del_flow(priv, flow); 2960af1607c3SJianbo Liu kfree(flow); 2961af1607c3SJianbo Liu } 2962af1607c3SJianbo Liu 2963af1607c3SJianbo Liu return err; 2964e3a2b7edSAmir Vadai 2965e3a2b7edSAmir Vadai err_free: 296617091853SOr Gerlitz kvfree(parse_attr); 2967232c0013SHadar Hen Zion kfree(flow); 2968e3a2b7edSAmir Vadai return err; 2969e3a2b7edSAmir Vadai } 2970e3a2b7edSAmir Vadai 29718f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 29728f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 29738f8ae895SOr Gerlitz 29748f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 29758f8ae895SOr Gerlitz { 29768f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 29778f8ae895SOr Gerlitz return true; 29788f8ae895SOr Gerlitz 29798f8ae895SOr Gerlitz return false; 29808f8ae895SOr Gerlitz } 29818f8ae895SOr Gerlitz 2982e3a2b7edSAmir Vadai int mlx5e_delete_flower(struct mlx5e_priv *priv, 298360bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 2984e3a2b7edSAmir Vadai { 298505866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 2986e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 2987e3a2b7edSAmir Vadai 298805866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 29898f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 2990e3a2b7edSAmir Vadai return -EINVAL; 2991e3a2b7edSAmir Vadai 299205866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 2993e3a2b7edSAmir Vadai 2994961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2995e3a2b7edSAmir Vadai 2996e3a2b7edSAmir Vadai kfree(flow); 2997e3a2b7edSAmir Vadai 2998e3a2b7edSAmir Vadai return 0; 2999e3a2b7edSAmir Vadai } 3000e3a2b7edSAmir Vadai 3001aad7e08dSAmir Vadai int mlx5e_stats_flower(struct mlx5e_priv *priv, 300260bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3003aad7e08dSAmir Vadai { 300405866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 3005aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3006aad7e08dSAmir Vadai struct mlx5_fc *counter; 3007aad7e08dSAmir Vadai u64 bytes; 3008aad7e08dSAmir Vadai u64 packets; 3009aad7e08dSAmir Vadai u64 lastuse; 3010aad7e08dSAmir Vadai 301105866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 30128f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3013aad7e08dSAmir Vadai return -EINVAL; 3014aad7e08dSAmir Vadai 30150b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 30160b67a38fSHadar Hen Zion return 0; 30170b67a38fSHadar Hen Zion 3018e4ad91f2SChris Mi counter = mlx5_flow_rule_counter(flow->rule[0]); 3019aad7e08dSAmir Vadai if (!counter) 3020aad7e08dSAmir Vadai return 0; 3021aad7e08dSAmir Vadai 3022aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3023aad7e08dSAmir Vadai 3024d897a638SJakub Kicinski tcf_exts_stats_update(f->exts, bytes, packets, lastuse); 3025fed06ee8SOr Gerlitz 3026aad7e08dSAmir Vadai return 0; 3027aad7e08dSAmir Vadai } 3028aad7e08dSAmir Vadai 3029655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3030e8f887acSAmir Vadai { 3031acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3032e8f887acSAmir Vadai 303311c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 30345c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 303511c9c548SOr Gerlitz 303605866c82SOr Gerlitz return rhashtable_init(&tc->ht, &tc_ht_params); 3037e8f887acSAmir Vadai } 3038e8f887acSAmir Vadai 3039e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3040e8f887acSAmir Vadai { 3041e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3042655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3043e8f887acSAmir Vadai 3044961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3045e8f887acSAmir Vadai kfree(flow); 3046e8f887acSAmir Vadai } 3047e8f887acSAmir Vadai 3048655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3049e8f887acSAmir Vadai { 3050acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3051e8f887acSAmir Vadai 3052655dc3d2SOr Gerlitz rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 3053e8f887acSAmir Vadai 3054acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3055acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3056acff797cSMaor Gottlieb tc->t = NULL; 3057e8f887acSAmir Vadai } 3058e8f887acSAmir Vadai } 3059655dc3d2SOr Gerlitz 3060655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3061655dc3d2SOr Gerlitz { 3062655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3063655dc3d2SOr Gerlitz } 3064655dc3d2SOr Gerlitz 3065655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3066655dc3d2SOr Gerlitz { 3067655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3068655dc3d2SOr Gerlitz } 306901252a27SOr Gerlitz 307001252a27SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv) 307101252a27SOr Gerlitz { 307201252a27SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 307301252a27SOr Gerlitz 307401252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 307501252a27SOr Gerlitz } 3076