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" 53bbd00f7eSHadar Hen Zion #include "vxlan.h" 543f6d08d1SOr Gerlitz #include "fs_core.h" 55e8f887acSAmir Vadai 563bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 573bc4b7bfSOr Gerlitz u32 action; 583bc4b7bfSOr Gerlitz u32 flow_tag; 592f4fe4caSOr Gerlitz u32 mod_hdr_id; 605c65c564SOr Gerlitz u32 hairpin_tirn; 613f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 623bc4b7bfSOr Gerlitz }; 633bc4b7bfSOr Gerlitz 6465ba8fb7SOr Gerlitz enum { 6565ba8fb7SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = BIT(0), 663bc4b7bfSOr Gerlitz MLX5E_TC_FLOW_NIC = BIT(1), 670b67a38fSHadar Hen Zion MLX5E_TC_FLOW_OFFLOADED = BIT(2), 685c65c564SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(3), 693f6d08d1SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(4), 7065ba8fb7SOr Gerlitz }; 7165ba8fb7SOr Gerlitz 72e8f887acSAmir Vadai struct mlx5e_tc_flow { 73e8f887acSAmir Vadai struct rhash_head node; 74e8f887acSAmir Vadai u64 cookie; 7565ba8fb7SOr Gerlitz u8 flags; 7674491de9SMark Bloch struct mlx5_flow_handle *rule; 7711c9c548SOr Gerlitz struct list_head encap; /* flows sharing the same encap ID */ 7811c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 795c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 803bc4b7bfSOr Gerlitz union { 81ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 823bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 833bc4b7bfSOr Gerlitz }; 84e8f887acSAmir Vadai }; 85e8f887acSAmir Vadai 8617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 873c37745eSOr Gerlitz struct ip_tunnel_info tun_info; 8817091853SOr Gerlitz struct mlx5_flow_spec spec; 89d79b6df6SOr Gerlitz int num_mod_hdr_actions; 90d79b6df6SOr Gerlitz void *mod_hdr_actions; 913c37745eSOr Gerlitz int mirred_ifindex; 9217091853SOr Gerlitz }; 9317091853SOr Gerlitz 94a54e20b4SHadar Hen Zion enum { 95a54e20b4SHadar Hen Zion MLX5_HEADER_TYPE_VXLAN = 0x0, 96a54e20b4SHadar Hen Zion MLX5_HEADER_TYPE_NVGRE = 0x1, 97a54e20b4SHadar Hen Zion }; 98a54e20b4SHadar Hen Zion 99acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 100b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 101e8f887acSAmir Vadai 10277ab67b7SOr Gerlitz struct mlx5e_hairpin { 10377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 10477ab67b7SOr Gerlitz 10577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1063f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 10777ab67b7SOr Gerlitz u32 tdn; 10877ab67b7SOr Gerlitz u32 tirn; 1093f6d08d1SOr Gerlitz 1103f6d08d1SOr Gerlitz int num_channels; 1113f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1123f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1133f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 11477ab67b7SOr Gerlitz }; 11577ab67b7SOr Gerlitz 1165c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1175c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1185c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1195c65c564SOr Gerlitz 1205c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1215c65c564SOr Gerlitz struct list_head flows; 1225c65c564SOr Gerlitz 123d8822868SOr Gerlitz u16 peer_vhca_id; 124106be53bSOr Gerlitz u8 prio; 1255c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1265c65c564SOr Gerlitz }; 1275c65c564SOr Gerlitz 12811c9c548SOr Gerlitz struct mod_hdr_key { 12911c9c548SOr Gerlitz int num_actions; 13011c9c548SOr Gerlitz void *actions; 13111c9c548SOr Gerlitz }; 13211c9c548SOr Gerlitz 13311c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 13411c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 13511c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 13611c9c548SOr Gerlitz 13711c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 13811c9c548SOr Gerlitz struct list_head flows; 13911c9c548SOr Gerlitz 14011c9c548SOr Gerlitz struct mod_hdr_key key; 14111c9c548SOr Gerlitz 14211c9c548SOr Gerlitz u32 mod_hdr_id; 14311c9c548SOr Gerlitz }; 14411c9c548SOr Gerlitz 14511c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 14611c9c548SOr Gerlitz 14711c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 14811c9c548SOr Gerlitz { 14911c9c548SOr Gerlitz return jhash(key->actions, 15011c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 15111c9c548SOr Gerlitz } 15211c9c548SOr Gerlitz 15311c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 15411c9c548SOr Gerlitz struct mod_hdr_key *b) 15511c9c548SOr Gerlitz { 15611c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 15711c9c548SOr Gerlitz return 1; 15811c9c548SOr Gerlitz 15911c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 16011c9c548SOr Gerlitz } 16111c9c548SOr Gerlitz 16211c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 16311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 16411c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 16511c9c548SOr Gerlitz { 16611c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 16711c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 16811c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 16911c9c548SOr Gerlitz struct mod_hdr_key key; 17011c9c548SOr Gerlitz bool found = false; 17111c9c548SOr Gerlitz u32 hash_key; 17211c9c548SOr Gerlitz 17311c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 17411c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 17511c9c548SOr Gerlitz 17611c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 17711c9c548SOr Gerlitz key.num_actions = num_actions; 17811c9c548SOr Gerlitz 17911c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 18011c9c548SOr Gerlitz 18111c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 18211c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 18311c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 18411c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 18511c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 18611c9c548SOr Gerlitz found = true; 18711c9c548SOr Gerlitz break; 18811c9c548SOr Gerlitz } 18911c9c548SOr Gerlitz } 19011c9c548SOr Gerlitz } else { 19111c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 19211c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.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 } 20011c9c548SOr Gerlitz 20111c9c548SOr Gerlitz if (found) 20211c9c548SOr Gerlitz goto attach_flow; 20311c9c548SOr Gerlitz 20411c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 20511c9c548SOr Gerlitz if (!mh) 20611c9c548SOr Gerlitz return -ENOMEM; 20711c9c548SOr Gerlitz 20811c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 20911c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 21011c9c548SOr Gerlitz mh->key.num_actions = num_actions; 21111c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 21211c9c548SOr Gerlitz 21311c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 21411c9c548SOr Gerlitz mh->key.num_actions, 21511c9c548SOr Gerlitz mh->key.actions, 21611c9c548SOr Gerlitz &mh->mod_hdr_id); 21711c9c548SOr Gerlitz if (err) 21811c9c548SOr Gerlitz goto out_err; 21911c9c548SOr Gerlitz 22011c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 22111c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 22211c9c548SOr Gerlitz else 22311c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 22411c9c548SOr Gerlitz 22511c9c548SOr Gerlitz attach_flow: 22611c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 22711c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 22811c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 22911c9c548SOr Gerlitz else 23011c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 23111c9c548SOr Gerlitz 23211c9c548SOr Gerlitz return 0; 23311c9c548SOr Gerlitz 23411c9c548SOr Gerlitz out_err: 23511c9c548SOr Gerlitz kfree(mh); 23611c9c548SOr Gerlitz return err; 23711c9c548SOr Gerlitz } 23811c9c548SOr Gerlitz 23911c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 24011c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 24111c9c548SOr Gerlitz { 24211c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 24311c9c548SOr Gerlitz 24411c9c548SOr Gerlitz list_del(&flow->mod_hdr); 24511c9c548SOr Gerlitz 24611c9c548SOr Gerlitz if (list_empty(next)) { 24711c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 24811c9c548SOr Gerlitz 24911c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 25011c9c548SOr Gerlitz 25111c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 25211c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 25311c9c548SOr Gerlitz kfree(mh); 25411c9c548SOr Gerlitz } 25511c9c548SOr Gerlitz } 25611c9c548SOr Gerlitz 25777ab67b7SOr Gerlitz static 25877ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 25977ab67b7SOr Gerlitz { 26077ab67b7SOr Gerlitz struct net_device *netdev; 26177ab67b7SOr Gerlitz struct mlx5e_priv *priv; 26277ab67b7SOr Gerlitz 26377ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 26477ab67b7SOr Gerlitz priv = netdev_priv(netdev); 26577ab67b7SOr Gerlitz return priv->mdev; 26677ab67b7SOr Gerlitz } 26777ab67b7SOr Gerlitz 26877ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 26977ab67b7SOr Gerlitz { 27077ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 27177ab67b7SOr Gerlitz void *tirc; 27277ab67b7SOr Gerlitz int err; 27377ab67b7SOr Gerlitz 27477ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 27577ab67b7SOr Gerlitz if (err) 27677ab67b7SOr Gerlitz goto alloc_tdn_err; 27777ab67b7SOr Gerlitz 27877ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 27977ab67b7SOr Gerlitz 28077ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 281ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 28277ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 28377ab67b7SOr Gerlitz 28477ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 28577ab67b7SOr Gerlitz if (err) 28677ab67b7SOr Gerlitz goto create_tir_err; 28777ab67b7SOr Gerlitz 28877ab67b7SOr Gerlitz return 0; 28977ab67b7SOr Gerlitz 29077ab67b7SOr Gerlitz create_tir_err: 29177ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 29277ab67b7SOr Gerlitz alloc_tdn_err: 29377ab67b7SOr Gerlitz return err; 29477ab67b7SOr Gerlitz } 29577ab67b7SOr Gerlitz 29677ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 29777ab67b7SOr Gerlitz { 29877ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 29977ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 30077ab67b7SOr Gerlitz } 30177ab67b7SOr Gerlitz 3023f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3033f6d08d1SOr Gerlitz { 3043f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3053f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3063f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3073f6d08d1SOr Gerlitz 3083f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3093f6d08d1SOr Gerlitz hp->num_channels); 3103f6d08d1SOr Gerlitz 3113f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3123f6d08d1SOr Gerlitz ix = i; 3133f6d08d1SOr Gerlitz if (priv->channels.params.rss_hfunc == ETH_RSS_HASH_XOR) 3143f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3153f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3163f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3173f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3183f6d08d1SOr Gerlitz } 3193f6d08d1SOr Gerlitz } 3203f6d08d1SOr Gerlitz 3213f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3223f6d08d1SOr Gerlitz { 3233f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3243f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3253f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3263f6d08d1SOr Gerlitz void *rqtc; 3273f6d08d1SOr Gerlitz u32 *in; 3283f6d08d1SOr Gerlitz 3293f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3303f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3313f6d08d1SOr Gerlitz if (!in) 3323f6d08d1SOr Gerlitz return -ENOMEM; 3333f6d08d1SOr Gerlitz 3343f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3353f6d08d1SOr Gerlitz 3363f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3373f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3383f6d08d1SOr Gerlitz 3393f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3403f6d08d1SOr Gerlitz 3413f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3423f6d08d1SOr Gerlitz if (!err) 3433f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3443f6d08d1SOr Gerlitz 3453f6d08d1SOr Gerlitz kvfree(in); 3463f6d08d1SOr Gerlitz return err; 3473f6d08d1SOr Gerlitz } 3483f6d08d1SOr Gerlitz 3493f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3503f6d08d1SOr Gerlitz { 3513f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3523f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3533f6d08d1SOr Gerlitz int tt, i, err; 3543f6d08d1SOr Gerlitz void *tirc; 3553f6d08d1SOr Gerlitz 3563f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 3573f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3583f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3593f6d08d1SOr Gerlitz 3603f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 3613f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 3623f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 3633f6d08d1SOr Gerlitz mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, false); 3643f6d08d1SOr Gerlitz 3653f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 3663f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 3673f6d08d1SOr Gerlitz if (err) { 3683f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 3693f6d08d1SOr Gerlitz goto err_destroy_tirs; 3703f6d08d1SOr Gerlitz } 3713f6d08d1SOr Gerlitz } 3723f6d08d1SOr Gerlitz return 0; 3733f6d08d1SOr Gerlitz 3743f6d08d1SOr Gerlitz err_destroy_tirs: 3753f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 3763f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 3773f6d08d1SOr Gerlitz return err; 3783f6d08d1SOr Gerlitz } 3793f6d08d1SOr Gerlitz 3803f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 3813f6d08d1SOr Gerlitz { 3823f6d08d1SOr Gerlitz int tt; 3833f6d08d1SOr Gerlitz 3843f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 3853f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 3863f6d08d1SOr Gerlitz } 3873f6d08d1SOr Gerlitz 3883f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 3893f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 3903f6d08d1SOr Gerlitz { 3913f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 3923f6d08d1SOr Gerlitz int tt; 3933f6d08d1SOr Gerlitz 3943f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 3953f6d08d1SOr Gerlitz 3963f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 3973f6d08d1SOr Gerlitz 3983f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 3993f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4003f6d08d1SOr Gerlitz 4013f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4023f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4033f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4043f6d08d1SOr Gerlitz } 4053f6d08d1SOr Gerlitz 4063f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4073f6d08d1SOr Gerlitz { 4083f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4093f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4103f6d08d1SOr Gerlitz int err; 4113f6d08d1SOr Gerlitz 4123f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4133f6d08d1SOr Gerlitz if (err) 4143f6d08d1SOr Gerlitz return err; 4153f6d08d1SOr Gerlitz 4163f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4173f6d08d1SOr Gerlitz if (err) 4183f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4193f6d08d1SOr Gerlitz 4203f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4213f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4223f6d08d1SOr Gerlitz if (err) 4233f6d08d1SOr Gerlitz goto err_create_ttc_table; 4243f6d08d1SOr Gerlitz 4253f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4263f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4273f6d08d1SOr Gerlitz 4283f6d08d1SOr Gerlitz return 0; 4293f6d08d1SOr Gerlitz 4303f6d08d1SOr Gerlitz err_create_ttc_table: 4313f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4323f6d08d1SOr Gerlitz err_create_indirect_tirs: 4333f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4343f6d08d1SOr Gerlitz 4353f6d08d1SOr Gerlitz return err; 4363f6d08d1SOr Gerlitz } 4373f6d08d1SOr Gerlitz 4383f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4393f6d08d1SOr Gerlitz { 4403f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4413f6d08d1SOr Gerlitz 4423f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4433f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4443f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4453f6d08d1SOr Gerlitz } 4463f6d08d1SOr Gerlitz 44777ab67b7SOr Gerlitz static struct mlx5e_hairpin * 44877ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 44977ab67b7SOr Gerlitz int peer_ifindex) 45077ab67b7SOr Gerlitz { 45177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 45277ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 45377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 45477ab67b7SOr Gerlitz int err; 45577ab67b7SOr Gerlitz 45677ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 45777ab67b7SOr Gerlitz if (!hp) 45877ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 45977ab67b7SOr Gerlitz 46077ab67b7SOr Gerlitz func_mdev = priv->mdev; 46177ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 46277ab67b7SOr Gerlitz 46377ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 46477ab67b7SOr Gerlitz if (IS_ERR(pair)) { 46577ab67b7SOr Gerlitz err = PTR_ERR(pair); 46677ab67b7SOr Gerlitz goto create_pair_err; 46777ab67b7SOr Gerlitz } 46877ab67b7SOr Gerlitz hp->pair = pair; 46977ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 4703f6d08d1SOr Gerlitz hp->func_priv = priv; 4713f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 47277ab67b7SOr Gerlitz 47377ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 47477ab67b7SOr Gerlitz if (err) 47577ab67b7SOr Gerlitz goto create_transport_err; 47677ab67b7SOr Gerlitz 4773f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 4783f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 4793f6d08d1SOr Gerlitz if (err) 4803f6d08d1SOr Gerlitz goto rss_init_err; 4813f6d08d1SOr Gerlitz } 4823f6d08d1SOr Gerlitz 48377ab67b7SOr Gerlitz return hp; 48477ab67b7SOr Gerlitz 4853f6d08d1SOr Gerlitz rss_init_err: 4863f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 48777ab67b7SOr Gerlitz create_transport_err: 48877ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 48977ab67b7SOr Gerlitz create_pair_err: 49077ab67b7SOr Gerlitz kfree(hp); 49177ab67b7SOr Gerlitz return ERR_PTR(err); 49277ab67b7SOr Gerlitz } 49377ab67b7SOr Gerlitz 49477ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 49577ab67b7SOr Gerlitz { 4963f6d08d1SOr Gerlitz if (hp->num_channels > 1) 4973f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 49877ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 49977ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 50077ab67b7SOr Gerlitz kvfree(hp); 50177ab67b7SOr Gerlitz } 50277ab67b7SOr Gerlitz 503106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 504106be53bSOr Gerlitz { 505106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 506106be53bSOr Gerlitz } 507106be53bSOr Gerlitz 5085c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 509106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5105c65c564SOr Gerlitz { 5115c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 512106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5135c65c564SOr Gerlitz 5145c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 515106be53bSOr Gerlitz hairpin_hlist, hash_key) { 516106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5175c65c564SOr Gerlitz return hpe; 5185c65c564SOr Gerlitz } 5195c65c564SOr Gerlitz 5205c65c564SOr Gerlitz return NULL; 5215c65c564SOr Gerlitz } 5225c65c564SOr Gerlitz 523106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 524106be53bSOr Gerlitz 525106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 526106be53bSOr Gerlitz struct mlx5_flow_spec *spec, u8 *match_prio) 527106be53bSOr Gerlitz { 528106be53bSOr Gerlitz void *headers_c, *headers_v; 529106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 530106be53bSOr Gerlitz bool vlan_present; 531106be53bSOr Gerlitz 532106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 533106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 534106be53bSOr Gerlitz netdev_warn(priv->netdev, 535106be53bSOr Gerlitz "only PCP trust state supported for hairpin\n"); 536106be53bSOr Gerlitz return -EOPNOTSUPP; 537106be53bSOr Gerlitz } 538106be53bSOr Gerlitz #endif 539106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 540106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 541106be53bSOr Gerlitz 542106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 543106be53bSOr Gerlitz if (vlan_present) { 544106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 545106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 546106be53bSOr Gerlitz } 547106be53bSOr Gerlitz 548106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 549106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 550106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 551106be53bSOr Gerlitz netdev_warn(priv->netdev, 552106be53bSOr Gerlitz "masked priority match not supported for hairpin\n"); 553106be53bSOr Gerlitz return -EOPNOTSUPP; 554106be53bSOr Gerlitz } 555106be53bSOr Gerlitz 556106be53bSOr Gerlitz *match_prio = prio_val; 557106be53bSOr Gerlitz return 0; 558106be53bSOr Gerlitz } 559106be53bSOr Gerlitz 5605c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 5615c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 5625c65c564SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 5635c65c564SOr Gerlitz { 5645c65c564SOr Gerlitz int peer_ifindex = parse_attr->mirred_ifindex; 5655c65c564SOr Gerlitz struct mlx5_hairpin_params params; 566d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 5675c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 5685c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 5693f6d08d1SOr Gerlitz u64 link_speed64; 5703f6d08d1SOr Gerlitz u32 link_speed; 571106be53bSOr Gerlitz u8 match_prio; 572d8822868SOr Gerlitz u16 peer_id; 5735c65c564SOr Gerlitz int err; 5745c65c564SOr Gerlitz 575d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 576d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 5775c65c564SOr Gerlitz netdev_warn(priv->netdev, "hairpin is not supported\n"); 5785c65c564SOr Gerlitz return -EOPNOTSUPP; 5795c65c564SOr Gerlitz } 5805c65c564SOr Gerlitz 581d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 582106be53bSOr Gerlitz err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio); 583106be53bSOr Gerlitz if (err) 584106be53bSOr Gerlitz return err; 585106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 5865c65c564SOr Gerlitz if (hpe) 5875c65c564SOr Gerlitz goto attach_flow; 5885c65c564SOr Gerlitz 5895c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 5905c65c564SOr Gerlitz if (!hpe) 5915c65c564SOr Gerlitz return -ENOMEM; 5925c65c564SOr Gerlitz 5935c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 594d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 595106be53bSOr Gerlitz hpe->prio = match_prio; 5965c65c564SOr Gerlitz 5975c65c564SOr Gerlitz params.log_data_size = 15; 5985c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 5995c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6005c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6015c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6025c65c564SOr Gerlitz 603eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 604eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 605eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 606eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 607eb9180f7SOr Gerlitz 608eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6093f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6103f6d08d1SOr Gerlitz mlx5e_get_max_linkspeed(priv->mdev, &link_speed); 6113f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6123f6d08d1SOr Gerlitz link_speed64 = link_speed; 6133f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6143f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6153f6d08d1SOr Gerlitz 6165c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6175c65c564SOr Gerlitz if (IS_ERR(hp)) { 6185c65c564SOr Gerlitz err = PTR_ERR(hp); 6195c65c564SOr Gerlitz goto create_hairpin_err; 6205c65c564SOr Gerlitz } 6215c65c564SOr Gerlitz 622eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 623ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 624eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6255c65c564SOr Gerlitz 6265c65c564SOr Gerlitz hpe->hp = hp; 627106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 628106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6295c65c564SOr Gerlitz 6305c65c564SOr Gerlitz attach_flow: 6313f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6323f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6333f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6343f6d08d1SOr Gerlitz } else { 6355c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6363f6d08d1SOr Gerlitz } 6375c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6383f6d08d1SOr Gerlitz 6395c65c564SOr Gerlitz return 0; 6405c65c564SOr Gerlitz 6415c65c564SOr Gerlitz create_hairpin_err: 6425c65c564SOr Gerlitz kfree(hpe); 6435c65c564SOr Gerlitz return err; 6445c65c564SOr Gerlitz } 6455c65c564SOr Gerlitz 6465c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6475c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6485c65c564SOr Gerlitz { 6495c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6505c65c564SOr Gerlitz 6515c65c564SOr Gerlitz list_del(&flow->hairpin); 6525c65c564SOr Gerlitz 6535c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6545c65c564SOr Gerlitz if (list_empty(next)) { 6555c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6565c65c564SOr Gerlitz 6575c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 6585c65c564SOr Gerlitz 6595c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 6605c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 6615c65c564SOr Gerlitz 6625c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 6635c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 6645c65c564SOr Gerlitz kfree(hpe); 6655c65c564SOr Gerlitz } 6665c65c564SOr Gerlitz } 6675c65c564SOr Gerlitz 66874491de9SMark Bloch static struct mlx5_flow_handle * 66974491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 67017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 671aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 672e8f887acSAmir Vadai { 673aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 674aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 6755c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 67666958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 6773bc4b7bfSOr Gerlitz .action = attr->action, 678a9db0ecfSMatan Barak .has_flow_tag = true, 6793bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 68066958ed9SHadar Hen Zion .encap_id = 0, 68166958ed9SHadar Hen Zion }; 682aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 68374491de9SMark Bloch struct mlx5_flow_handle *rule; 684e8f887acSAmir Vadai bool table_created = false; 6855c65c564SOr Gerlitz int err, dest_ix = 0; 686e8f887acSAmir Vadai 6875c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 6885c65c564SOr Gerlitz err = mlx5e_hairpin_flow_add(priv, flow, parse_attr); 6895c65c564SOr Gerlitz if (err) { 6905c65c564SOr Gerlitz rule = ERR_PTR(err); 6915c65c564SOr Gerlitz goto err_add_hairpin_flow; 6925c65c564SOr Gerlitz } 6933f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 6943f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 6953f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 6963f6d08d1SOr Gerlitz } else { 6975c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 6985c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 6993f6d08d1SOr Gerlitz } 7003f6d08d1SOr Gerlitz dest_ix++; 7013f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7025c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7035c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7045c65c564SOr Gerlitz dest_ix++; 7055c65c564SOr Gerlitz } 706aad7e08dSAmir Vadai 7075c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7085c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7095c65c564SOr Gerlitz if (IS_ERR(counter)) { 7105c65c564SOr Gerlitz rule = ERR_CAST(counter); 7115c65c564SOr Gerlitz goto err_fc_create; 7125c65c564SOr Gerlitz } 7135c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 7145c65c564SOr Gerlitz dest[dest_ix].counter = counter; 7155c65c564SOr Gerlitz dest_ix++; 716aad7e08dSAmir Vadai } 717aad7e08dSAmir Vadai 7182f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7193099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 720d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7212f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 7222f4fe4caSOr Gerlitz if (err) { 7232f4fe4caSOr Gerlitz rule = ERR_PTR(err); 7242f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7252f4fe4caSOr Gerlitz } 7262f4fe4caSOr Gerlitz } 7272f4fe4caSOr Gerlitz 728acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 72921b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 73021b9c144SOr Gerlitz u32 max_flow_counter; 73121b9c144SOr Gerlitz 73221b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 73321b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 73421b9c144SOr Gerlitz 73521b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 73621b9c144SOr Gerlitz 73721b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 73821b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 73921b9c144SOr Gerlitz 740acff797cSMaor Gottlieb priv->fs.tc.t = 741acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 742acff797cSMaor Gottlieb MLX5E_TC_PRIO, 74321b9c144SOr Gerlitz tc_tbl_size, 744acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7453f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 746acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 747e8f887acSAmir Vadai netdev_err(priv->netdev, 748e8f887acSAmir Vadai "Failed to create tc offload table\n"); 749aad7e08dSAmir Vadai rule = ERR_CAST(priv->fs.tc.t); 750aad7e08dSAmir Vadai goto err_create_ft; 751e8f887acSAmir Vadai } 752e8f887acSAmir Vadai 753e8f887acSAmir Vadai table_created = true; 754e8f887acSAmir Vadai } 755e8f887acSAmir Vadai 75617091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 75717091853SOr Gerlitz rule = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 7585c65c564SOr Gerlitz &flow_act, dest, dest_ix); 759e8f887acSAmir Vadai 760aad7e08dSAmir Vadai if (IS_ERR(rule)) 761aad7e08dSAmir Vadai goto err_add_rule; 762aad7e08dSAmir Vadai 763aad7e08dSAmir Vadai return rule; 764aad7e08dSAmir Vadai 765aad7e08dSAmir Vadai err_add_rule: 766aad7e08dSAmir Vadai if (table_created) { 767acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 768acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 769e8f887acSAmir Vadai } 770aad7e08dSAmir Vadai err_create_ft: 7712f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 7723099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 7732f4fe4caSOr Gerlitz err_create_mod_hdr_id: 774aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 7755c65c564SOr Gerlitz err_fc_create: 7765c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 7775c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 7785c65c564SOr Gerlitz err_add_hairpin_flow: 779e8f887acSAmir Vadai return rule; 780e8f887acSAmir Vadai } 781e8f887acSAmir Vadai 782d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 783d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 784d85cdccbSOr Gerlitz { 785513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 786d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 787d85cdccbSOr Gerlitz 788d85cdccbSOr Gerlitz counter = mlx5_flow_rule_counter(flow->rule); 789d85cdccbSOr Gerlitz mlx5_del_flow_rules(flow->rule); 790d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 791d85cdccbSOr Gerlitz 792b3a433deSOr Gerlitz if (!mlx5e_tc_num_filters(priv) && priv->fs.tc.t) { 793d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 794d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 795d85cdccbSOr Gerlitz } 7962f4fe4caSOr Gerlitz 797513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 7983099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 7995c65c564SOr Gerlitz 8005c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8015c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 802d85cdccbSOr Gerlitz } 803d85cdccbSOr Gerlitz 804aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 805aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow); 806aa0cbbaeSOr Gerlitz 8073c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 8083c37745eSOr Gerlitz struct ip_tunnel_info *tun_info, 8093c37745eSOr Gerlitz struct net_device *mirred_dev, 8103c37745eSOr Gerlitz struct net_device **encap_dev, 8113c37745eSOr Gerlitz struct mlx5e_tc_flow *flow); 8123c37745eSOr Gerlitz 81374491de9SMark Bloch static struct mlx5_flow_handle * 81474491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 81517091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 816aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 817adb4c123SOr Gerlitz { 818adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 819aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 8203c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 8213c37745eSOr Gerlitz struct mlx5_flow_handle *rule = NULL; 8223c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 8233c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 8248b32580dSOr Gerlitz int err; 8258b32580dSOr Gerlitz 8263c37745eSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) { 8273c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 8283c37745eSOr Gerlitz attr->parse_attr->mirred_ifindex); 8293c37745eSOr Gerlitz err = mlx5e_attach_encap(priv, &parse_attr->tun_info, 8303c37745eSOr Gerlitz out_dev, &encap_dev, flow); 8313c37745eSOr Gerlitz if (err) { 8323c37745eSOr Gerlitz rule = ERR_PTR(err); 8333c37745eSOr Gerlitz if (err != -EAGAIN) 8343c37745eSOr Gerlitz goto err_attach_encap; 8353c37745eSOr Gerlitz } 8363c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 8373c37745eSOr Gerlitz rpriv = out_priv->ppriv; 8383c37745eSOr Gerlitz attr->out_rep = rpriv->rep; 8393c37745eSOr Gerlitz } 8403c37745eSOr Gerlitz 8418b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 842aa0cbbaeSOr Gerlitz if (err) { 843aa0cbbaeSOr Gerlitz rule = ERR_PTR(err); 844aa0cbbaeSOr Gerlitz goto err_add_vlan; 845adb4c123SOr Gerlitz } 846adb4c123SOr Gerlitz 847d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 8481a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 849d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 850d7e75a32SOr Gerlitz if (err) { 851d7e75a32SOr Gerlitz rule = ERR_PTR(err); 852d7e75a32SOr Gerlitz goto err_mod_hdr; 853d7e75a32SOr Gerlitz } 854d7e75a32SOr Gerlitz } 855d7e75a32SOr Gerlitz 8563c37745eSOr Gerlitz /* we get here if (1) there's no error (rule being null) or when 8573c37745eSOr Gerlitz * (2) there's an encap action and we're on -EAGAIN (no valid neigh) 8583c37745eSOr Gerlitz */ 8593c37745eSOr Gerlitz if (rule != ERR_PTR(-EAGAIN)) { 860aa0cbbaeSOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, &parse_attr->spec, attr); 861aa0cbbaeSOr Gerlitz if (IS_ERR(rule)) 862aa0cbbaeSOr Gerlitz goto err_add_rule; 8633c37745eSOr Gerlitz } 864aa0cbbaeSOr Gerlitz return rule; 865aa0cbbaeSOr Gerlitz 866aa0cbbaeSOr Gerlitz err_add_rule: 867513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8681a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 869d7e75a32SOr Gerlitz err_mod_hdr: 870aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 871aa0cbbaeSOr Gerlitz err_add_vlan: 872aa0cbbaeSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) 873aa0cbbaeSOr Gerlitz mlx5e_detach_encap(priv, flow); 8743c37745eSOr Gerlitz err_attach_encap: 875aa0cbbaeSOr Gerlitz return rule; 876aa0cbbaeSOr Gerlitz } 877d85cdccbSOr Gerlitz 878d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 879d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 880d85cdccbSOr Gerlitz { 881d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 882d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 883d85cdccbSOr Gerlitz 884232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 885232c0013SHadar Hen Zion flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 886513f8f7fSOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule, attr); 887232c0013SHadar Hen Zion } 888d85cdccbSOr Gerlitz 889513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 890d85cdccbSOr Gerlitz 891513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) { 892d85cdccbSOr Gerlitz mlx5e_detach_encap(priv, flow); 893513f8f7fSOr Gerlitz kvfree(attr->parse_attr); 894232c0013SHadar Hen Zion } 895d7e75a32SOr Gerlitz 896513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8971a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 898d85cdccbSOr Gerlitz } 899d85cdccbSOr Gerlitz 900232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 901232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 902232c0013SHadar Hen Zion { 9033c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 9043c37745eSOr Gerlitz struct mlx5_esw_flow_attr *esw_attr; 905232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 906232c0013SHadar Hen Zion int err; 907232c0013SHadar Hen Zion 908232c0013SHadar Hen Zion err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 909232c0013SHadar Hen Zion e->encap_size, e->encap_header, 910232c0013SHadar Hen Zion &e->encap_id); 911232c0013SHadar Hen Zion if (err) { 912232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 913232c0013SHadar Hen Zion err); 914232c0013SHadar Hen Zion return; 915232c0013SHadar Hen Zion } 916232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 917f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 918232c0013SHadar Hen Zion 919232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 9203c37745eSOr Gerlitz esw_attr = flow->esw_attr; 9213c37745eSOr Gerlitz esw_attr->encap_id = e->encap_id; 9223c37745eSOr Gerlitz flow->rule = mlx5_eswitch_add_offloaded_rule(esw, &esw_attr->parse_attr->spec, esw_attr); 923232c0013SHadar Hen Zion if (IS_ERR(flow->rule)) { 924232c0013SHadar Hen Zion err = PTR_ERR(flow->rule); 925232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 926232c0013SHadar Hen Zion err); 927232c0013SHadar Hen Zion continue; 928232c0013SHadar Hen Zion } 929232c0013SHadar Hen Zion flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 930232c0013SHadar Hen Zion } 931232c0013SHadar Hen Zion } 932232c0013SHadar Hen Zion 933232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 934232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 935232c0013SHadar Hen Zion { 9363c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 937232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 938232c0013SHadar Hen Zion 939232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 940232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 941232c0013SHadar Hen Zion flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 9423c37745eSOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->esw_attr); 943232c0013SHadar Hen Zion } 944232c0013SHadar Hen Zion } 945232c0013SHadar Hen Zion 946232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 947232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 948232c0013SHadar Hen Zion mlx5_encap_dealloc(priv->mdev, e->encap_id); 949232c0013SHadar Hen Zion } 950232c0013SHadar Hen Zion } 951232c0013SHadar Hen Zion 952f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 953f6dfb4c3SHadar Hen Zion { 954f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 955f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 956f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 957f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 958f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 959f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 960f6dfb4c3SHadar Hen Zion bool neigh_used = false; 961f6dfb4c3SHadar Hen Zion struct neighbour *n; 962f6dfb4c3SHadar Hen Zion 963f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 964f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 965f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 966f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 967423c9db2SOr Gerlitz tbl = &nd_tbl; 968f6dfb4c3SHadar Hen Zion #endif 969f6dfb4c3SHadar Hen Zion else 970f6dfb4c3SHadar Hen Zion return; 971f6dfb4c3SHadar Hen Zion 972f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 973f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 974f6dfb4c3SHadar Hen Zion continue; 975f6dfb4c3SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 976f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 977f6dfb4c3SHadar Hen Zion counter = mlx5_flow_rule_counter(flow->rule); 978f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 979f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 980f6dfb4c3SHadar Hen Zion neigh_used = true; 981f6dfb4c3SHadar Hen Zion break; 982f6dfb4c3SHadar Hen Zion } 983f6dfb4c3SHadar Hen Zion } 984f6dfb4c3SHadar Hen Zion } 985e36d4810SRoi Dayan if (neigh_used) 986e36d4810SRoi Dayan break; 987f6dfb4c3SHadar Hen Zion } 988f6dfb4c3SHadar Hen Zion 989f6dfb4c3SHadar Hen Zion if (neigh_used) { 990f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 991f6dfb4c3SHadar Hen Zion 992f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 993f6dfb4c3SHadar Hen Zion * dst ip pair 994f6dfb4c3SHadar Hen Zion */ 995f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 996f6dfb4c3SHadar Hen Zion if (!n) { 997f6dfb4c3SHadar Hen Zion WARN(1, "The neighbour already freed\n"); 998f6dfb4c3SHadar Hen Zion return; 999f6dfb4c3SHadar Hen Zion } 1000f6dfb4c3SHadar Hen Zion 1001f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1002f6dfb4c3SHadar Hen Zion neigh_release(n); 1003f6dfb4c3SHadar Hen Zion } 1004f6dfb4c3SHadar Hen Zion } 1005f6dfb4c3SHadar Hen Zion 1006d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1007d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1008d85cdccbSOr Gerlitz { 10095067b602SRoi Dayan struct list_head *next = flow->encap.next; 10105067b602SRoi Dayan 10115067b602SRoi Dayan list_del(&flow->encap); 10125067b602SRoi Dayan if (list_empty(next)) { 1013c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 10145067b602SRoi Dayan 1015c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1016232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1017232c0013SHadar Hen Zion 1018232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 10195067b602SRoi Dayan mlx5_encap_dealloc(priv->mdev, e->encap_id); 1020232c0013SHadar Hen Zion 1021cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1022232c0013SHadar Hen Zion kfree(e->encap_header); 10235067b602SRoi Dayan kfree(e); 10245067b602SRoi Dayan } 10255067b602SRoi Dayan } 10265067b602SRoi Dayan 1027e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1028961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1029e8f887acSAmir Vadai { 1030d85cdccbSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1031d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 1032d85cdccbSOr Gerlitz else 1033d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1034e8f887acSAmir Vadai } 1035e8f887acSAmir Vadai 1036bbd00f7eSHadar Hen Zion static void parse_vxlan_attr(struct mlx5_flow_spec *spec, 1037bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1038bbd00f7eSHadar Hen Zion { 1039bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1040bbd00f7eSHadar Hen Zion outer_headers); 1041bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1042bbd00f7eSHadar Hen Zion outer_headers); 1043bbd00f7eSHadar Hen Zion void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1044bbd00f7eSHadar Hen Zion misc_parameters); 1045bbd00f7eSHadar Hen Zion void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1046bbd00f7eSHadar Hen Zion misc_parameters); 1047bbd00f7eSHadar Hen Zion 1048bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_protocol); 1049bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP); 1050bbd00f7eSHadar Hen Zion 1051bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID)) { 1052bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *key = 1053bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1054bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1055bbd00f7eSHadar Hen Zion f->key); 1056bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *mask = 1057bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1058bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1059bbd00f7eSHadar Hen Zion f->mask); 1060bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_c, vxlan_vni, 1061bbd00f7eSHadar Hen Zion be32_to_cpu(mask->keyid)); 1062bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_v, vxlan_vni, 1063bbd00f7eSHadar Hen Zion be32_to_cpu(key->keyid)); 1064bbd00f7eSHadar Hen Zion } 1065bbd00f7eSHadar Hen Zion } 1066bbd00f7eSHadar Hen Zion 1067bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1068bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1069bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1070bbd00f7eSHadar Hen Zion { 1071bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1072bbd00f7eSHadar Hen Zion outer_headers); 1073bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1074bbd00f7eSHadar Hen Zion outer_headers); 1075bbd00f7eSHadar Hen Zion 10762e72eb43SOr Gerlitz struct flow_dissector_key_control *enc_control = 10772e72eb43SOr Gerlitz skb_flow_dissector_target(f->dissector, 10782e72eb43SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_CONTROL, 10792e72eb43SOr Gerlitz f->key); 10802e72eb43SOr Gerlitz 1081bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) { 1082bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *key = 1083bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1084bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1085bbd00f7eSHadar Hen Zion f->key); 1086bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *mask = 1087bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1088bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1089bbd00f7eSHadar Hen Zion f->mask); 10901ad9a00aSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1091a4b97ab4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 10925ed99fb4SMark Bloch struct net_device *up_dev = uplink_rpriv->netdev; 10931ad9a00aSPaul Blakey struct mlx5e_priv *up_priv = netdev_priv(up_dev); 1094bbd00f7eSHadar Hen Zion 1095bbd00f7eSHadar Hen Zion /* Full udp dst port must be given */ 1096bbd00f7eSHadar Hen Zion if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) 10972fcd82e9SOr Gerlitz goto vxlan_match_offload_err; 1098bbd00f7eSHadar Hen Zion 10991ad9a00aSPaul Blakey if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->dst)) && 1100bbd00f7eSHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) 1101bbd00f7eSHadar Hen Zion parse_vxlan_attr(spec, f); 11022fcd82e9SOr Gerlitz else { 11032fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 11042fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->dst)); 1105bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 11062fcd82e9SOr Gerlitz } 1107bbd00f7eSHadar Hen Zion 1108bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1109bbd00f7eSHadar Hen Zion udp_dport, ntohs(mask->dst)); 1110bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1111bbd00f7eSHadar Hen Zion udp_dport, ntohs(key->dst)); 1112bbd00f7eSHadar Hen Zion 1113cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1114cd377663SOr Gerlitz udp_sport, ntohs(mask->src)); 1115cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1116cd377663SOr Gerlitz udp_sport, ntohs(key->src)); 1117bbd00f7eSHadar Hen Zion } else { /* udp dst port must be given */ 11182fcd82e9SOr Gerlitz vxlan_match_offload_err: 11192fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 11202fcd82e9SOr Gerlitz "IP tunnel decap offload supported only for vxlan, must set UDP dport\n"); 1121bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1122bbd00f7eSHadar Hen Zion } 1123bbd00f7eSHadar Hen Zion 11242e72eb43SOr Gerlitz if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1125bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *key = 1126bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1127bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1128bbd00f7eSHadar Hen Zion f->key); 1129bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *mask = 1130bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1131bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1132bbd00f7eSHadar Hen Zion f->mask); 1133bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1134bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1135bbd00f7eSHadar Hen Zion ntohl(mask->src)); 1136bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1137bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1138bbd00f7eSHadar Hen Zion ntohl(key->src)); 1139bbd00f7eSHadar Hen Zion 1140bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1141bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1142bbd00f7eSHadar Hen Zion ntohl(mask->dst)); 1143bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1144bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1145bbd00f7eSHadar Hen Zion ntohl(key->dst)); 1146bbd00f7eSHadar Hen Zion 1147bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1148bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 114919f44401SOr Gerlitz } else if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 115019f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *key = 115119f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 115219f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 115319f44401SOr Gerlitz f->key); 115419f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *mask = 115519f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 115619f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 115719f44401SOr Gerlitz f->mask); 115819f44401SOr Gerlitz 115919f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 116019f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 116119f44401SOr Gerlitz &mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 116219f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 116319f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 116419f44401SOr Gerlitz &key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 116519f44401SOr Gerlitz 116619f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 116719f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 116819f44401SOr Gerlitz &mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 116919f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 117019f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 117119f44401SOr Gerlitz &key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 117219f44401SOr Gerlitz 117319f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 117419f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 11752e72eb43SOr Gerlitz } 1176bbd00f7eSHadar Hen Zion 1177bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1178bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1179bbd00f7eSHadar Hen Zion */ 1180bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1181bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1182bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1183bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1184bbd00f7eSHadar Hen Zion 1185bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1186bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1187bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1188bbd00f7eSHadar Hen Zion 1189bbd00f7eSHadar Hen Zion return 0; 1190bbd00f7eSHadar Hen Zion } 1191bbd00f7eSHadar Hen Zion 1192de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1193de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1194de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 1195de0af0bfSRoi Dayan u8 *min_inline) 1196e3a2b7edSAmir Vadai { 1197c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1198c5bb1730SMaor Gottlieb outer_headers); 1199c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1200c5bb1730SMaor Gottlieb outer_headers); 1201e3a2b7edSAmir Vadai u16 addr_type = 0; 1202e3a2b7edSAmir Vadai u8 ip_proto = 0; 1203e3a2b7edSAmir Vadai 1204de0af0bfSRoi Dayan *min_inline = MLX5_INLINE_MODE_L2; 1205de0af0bfSRoi Dayan 1206e3a2b7edSAmir Vadai if (f->dissector->used_keys & 1207e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1208e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1209e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1210095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1211e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1212e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1213bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1214bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1215bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1216bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1217bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1218e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1219fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1220fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP))) { 1221e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 1222e3a2b7edSAmir Vadai f->dissector->used_keys); 1223e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1224e3a2b7edSAmir Vadai } 1225e3a2b7edSAmir Vadai 1226bbd00f7eSHadar Hen Zion if ((dissector_uses_key(f->dissector, 1227bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 1228bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID) || 1229bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 1230bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 1231bbd00f7eSHadar Hen Zion struct flow_dissector_key_control *key = 1232bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1233bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_CONTROL, 1234bbd00f7eSHadar Hen Zion f->key); 1235bbd00f7eSHadar Hen Zion switch (key->addr_type) { 1236bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 123719f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 1238bbd00f7eSHadar Hen Zion if (parse_tunnel_attr(priv, spec, f)) 1239bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1240bbd00f7eSHadar Hen Zion break; 1241bbd00f7eSHadar Hen Zion default: 1242bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1243bbd00f7eSHadar Hen Zion } 1244bbd00f7eSHadar Hen Zion 1245bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1246bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1247bbd00f7eSHadar Hen Zion */ 1248bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1249bbd00f7eSHadar Hen Zion inner_headers); 1250bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1251bbd00f7eSHadar Hen Zion inner_headers); 1252bbd00f7eSHadar Hen Zion } 1253bbd00f7eSHadar Hen Zion 1254e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) { 1255e3a2b7edSAmir Vadai struct flow_dissector_key_control *key = 1256e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 12571dbd0d37SHadar Hen Zion FLOW_DISSECTOR_KEY_CONTROL, 1258e3a2b7edSAmir Vadai f->key); 12593f7d0eb4SOr Gerlitz 12603f7d0eb4SOr Gerlitz struct flow_dissector_key_control *mask = 12613f7d0eb4SOr Gerlitz skb_flow_dissector_target(f->dissector, 12623f7d0eb4SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 12633f7d0eb4SOr Gerlitz f->mask); 1264e3a2b7edSAmir Vadai addr_type = key->addr_type; 12653f7d0eb4SOr Gerlitz 1266f85900c3SRoi Dayan /* the HW doesn't support frag first/later */ 1267f85900c3SRoi Dayan if (mask->flags & FLOW_DIS_FIRST_FRAG) 1268f85900c3SRoi Dayan return -EOPNOTSUPP; 1269f85900c3SRoi Dayan 12703f7d0eb4SOr Gerlitz if (mask->flags & FLOW_DIS_IS_FRAGMENT) { 12713f7d0eb4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 12723f7d0eb4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 12733f7d0eb4SOr Gerlitz key->flags & FLOW_DIS_IS_FRAGMENT); 12740827444dSOr Gerlitz 12750827444dSOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 12760827444dSOr Gerlitz if (key->flags & FLOW_DIS_IS_FRAGMENT) 12770827444dSOr Gerlitz *min_inline = MLX5_INLINE_MODE_IP; 12783f7d0eb4SOr Gerlitz } 1279e3a2b7edSAmir Vadai } 1280e3a2b7edSAmir Vadai 1281e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 1282e3a2b7edSAmir Vadai struct flow_dissector_key_basic *key = 1283e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1284e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_BASIC, 1285e3a2b7edSAmir Vadai f->key); 1286e3a2b7edSAmir Vadai struct flow_dissector_key_basic *mask = 1287e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1288e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_BASIC, 1289e3a2b7edSAmir Vadai f->mask); 1290e3a2b7edSAmir Vadai ip_proto = key->ip_proto; 1291e3a2b7edSAmir Vadai 1292e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 1293e3a2b7edSAmir Vadai ntohs(mask->n_proto)); 1294e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 1295e3a2b7edSAmir Vadai ntohs(key->n_proto)); 1296e3a2b7edSAmir Vadai 1297e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 1298e3a2b7edSAmir Vadai mask->ip_proto); 1299e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 1300e3a2b7edSAmir Vadai key->ip_proto); 1301de0af0bfSRoi Dayan 1302de0af0bfSRoi Dayan if (mask->ip_proto) 1303de0af0bfSRoi Dayan *min_inline = MLX5_INLINE_MODE_IP; 1304e3a2b7edSAmir Vadai } 1305e3a2b7edSAmir Vadai 1306e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 1307e3a2b7edSAmir Vadai struct flow_dissector_key_eth_addrs *key = 1308e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1309e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_ETH_ADDRS, 1310e3a2b7edSAmir Vadai f->key); 1311e3a2b7edSAmir Vadai struct flow_dissector_key_eth_addrs *mask = 1312e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1313e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_ETH_ADDRS, 1314e3a2b7edSAmir Vadai f->mask); 1315e3a2b7edSAmir Vadai 1316e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1317e3a2b7edSAmir Vadai dmac_47_16), 1318e3a2b7edSAmir Vadai mask->dst); 1319e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1320e3a2b7edSAmir Vadai dmac_47_16), 1321e3a2b7edSAmir Vadai key->dst); 1322e3a2b7edSAmir Vadai 1323e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1324e3a2b7edSAmir Vadai smac_47_16), 1325e3a2b7edSAmir Vadai mask->src); 1326e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1327e3a2b7edSAmir Vadai smac_47_16), 1328e3a2b7edSAmir Vadai key->src); 1329e3a2b7edSAmir Vadai } 1330e3a2b7edSAmir Vadai 1331095b6cfdSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) { 1332095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *key = 1333095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1334095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1335095b6cfdSOr Gerlitz f->key); 1336095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *mask = 1337095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1338095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1339095b6cfdSOr Gerlitz f->mask); 1340358d79a4SOr Gerlitz if (mask->vlan_id || mask->vlan_priority) { 134110543365SMohamad Haj Yahia MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 134210543365SMohamad Haj Yahia MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1); 1343095b6cfdSOr Gerlitz 1344095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id); 1345095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id); 1346358d79a4SOr Gerlitz 1347358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority); 1348358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority); 1349095b6cfdSOr Gerlitz } 1350095b6cfdSOr Gerlitz } 1351095b6cfdSOr Gerlitz 1352e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1353e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *key = 1354e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1355e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1356e3a2b7edSAmir Vadai f->key); 1357e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *mask = 1358e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1359e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1360e3a2b7edSAmir Vadai f->mask); 1361e3a2b7edSAmir Vadai 1362e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1363e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1364e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1365e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1366e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1367e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1368e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1369e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1370e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1371e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1372e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1373e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1374de0af0bfSRoi Dayan 1375de0af0bfSRoi Dayan if (mask->src || mask->dst) 1376de0af0bfSRoi Dayan *min_inline = MLX5_INLINE_MODE_IP; 1377e3a2b7edSAmir Vadai } 1378e3a2b7edSAmir Vadai 1379e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 1380e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *key = 1381e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1382e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1383e3a2b7edSAmir Vadai f->key); 1384e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *mask = 1385e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1386e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1387e3a2b7edSAmir Vadai f->mask); 1388e3a2b7edSAmir Vadai 1389e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1390e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1391e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1392e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1393e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1394e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1395e3a2b7edSAmir Vadai 1396e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1397e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1398e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1399e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1400e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1401e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1402de0af0bfSRoi Dayan 1403de0af0bfSRoi Dayan if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY || 1404de0af0bfSRoi Dayan ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY) 1405de0af0bfSRoi Dayan *min_inline = MLX5_INLINE_MODE_IP; 1406e3a2b7edSAmir Vadai } 1407e3a2b7edSAmir Vadai 14081f97a526SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_IP)) { 14091f97a526SOr Gerlitz struct flow_dissector_key_ip *key = 14101f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 14111f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 14121f97a526SOr Gerlitz f->key); 14131f97a526SOr Gerlitz struct flow_dissector_key_ip *mask = 14141f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 14151f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 14161f97a526SOr Gerlitz f->mask); 14171f97a526SOr Gerlitz 14181f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 14191f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 14201f97a526SOr Gerlitz 14211f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 14221f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 14231f97a526SOr Gerlitz 1424a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1425a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 14261f97a526SOr Gerlitz 1427a8ade55fSOr Gerlitz if (mask->ttl && 1428a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1429a8ade55fSOr Gerlitz ft_field_support.outer_ipv4_ttl)) 14301f97a526SOr Gerlitz return -EOPNOTSUPP; 1431a8ade55fSOr Gerlitz 1432a8ade55fSOr Gerlitz if (mask->tos || mask->ttl) 1433a8ade55fSOr Gerlitz *min_inline = MLX5_INLINE_MODE_IP; 14341f97a526SOr Gerlitz } 14351f97a526SOr Gerlitz 1436e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) { 1437e3a2b7edSAmir Vadai struct flow_dissector_key_ports *key = 1438e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1439e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1440e3a2b7edSAmir Vadai f->key); 1441e3a2b7edSAmir Vadai struct flow_dissector_key_ports *mask = 1442e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1443e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1444e3a2b7edSAmir Vadai f->mask); 1445e3a2b7edSAmir Vadai switch (ip_proto) { 1446e3a2b7edSAmir Vadai case IPPROTO_TCP: 1447e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1448e3a2b7edSAmir Vadai tcp_sport, ntohs(mask->src)); 1449e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1450e3a2b7edSAmir Vadai tcp_sport, ntohs(key->src)); 1451e3a2b7edSAmir Vadai 1452e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1453e3a2b7edSAmir Vadai tcp_dport, ntohs(mask->dst)); 1454e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1455e3a2b7edSAmir Vadai tcp_dport, ntohs(key->dst)); 1456e3a2b7edSAmir Vadai break; 1457e3a2b7edSAmir Vadai 1458e3a2b7edSAmir Vadai case IPPROTO_UDP: 1459e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1460e3a2b7edSAmir Vadai udp_sport, ntohs(mask->src)); 1461e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1462e3a2b7edSAmir Vadai udp_sport, ntohs(key->src)); 1463e3a2b7edSAmir Vadai 1464e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1465e3a2b7edSAmir Vadai udp_dport, ntohs(mask->dst)); 1466e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1467e3a2b7edSAmir Vadai udp_dport, ntohs(key->dst)); 1468e3a2b7edSAmir Vadai break; 1469e3a2b7edSAmir Vadai default: 1470e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1471e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1472e3a2b7edSAmir Vadai return -EINVAL; 1473e3a2b7edSAmir Vadai } 1474de0af0bfSRoi Dayan 1475de0af0bfSRoi Dayan if (mask->src || mask->dst) 1476de0af0bfSRoi Dayan *min_inline = MLX5_INLINE_MODE_TCP_UDP; 1477e3a2b7edSAmir Vadai } 1478e3a2b7edSAmir Vadai 1479e77834ecSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) { 1480e77834ecSOr Gerlitz struct flow_dissector_key_tcp *key = 1481e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1482e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1483e77834ecSOr Gerlitz f->key); 1484e77834ecSOr Gerlitz struct flow_dissector_key_tcp *mask = 1485e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1486e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1487e77834ecSOr Gerlitz f->mask); 1488e77834ecSOr Gerlitz 1489e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 1490e77834ecSOr Gerlitz ntohs(mask->flags)); 1491e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 1492e77834ecSOr Gerlitz ntohs(key->flags)); 1493e77834ecSOr Gerlitz 1494e77834ecSOr Gerlitz if (mask->flags) 1495e77834ecSOr Gerlitz *min_inline = MLX5_INLINE_MODE_TCP_UDP; 1496e77834ecSOr Gerlitz } 1497e77834ecSOr Gerlitz 1498e3a2b7edSAmir Vadai return 0; 1499e3a2b7edSAmir Vadai } 1500e3a2b7edSAmir Vadai 1501de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 150265ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1503de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1504de0af0bfSRoi Dayan struct tc_cls_flower_offload *f) 1505de0af0bfSRoi Dayan { 1506de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1507de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 15081d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 15091d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1510de0af0bfSRoi Dayan u8 min_inline; 1511de0af0bfSRoi Dayan int err; 1512de0af0bfSRoi Dayan 1513de0af0bfSRoi Dayan err = __parse_cls_flower(priv, spec, f, &min_inline); 1514de0af0bfSRoi Dayan 15151d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 15161d447a39SSaeed Mahameed rep = rpriv->rep; 15171d447a39SSaeed Mahameed if (rep->vport != FDB_UPLINK_VPORT && 15181d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 15191d447a39SSaeed Mahameed esw->offloads.inline_mode < min_inline)) { 1520de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1521de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1522de0af0bfSRoi Dayan min_inline, esw->offloads.inline_mode); 1523de0af0bfSRoi Dayan return -EOPNOTSUPP; 1524de0af0bfSRoi Dayan } 1525de0af0bfSRoi Dayan } 1526de0af0bfSRoi Dayan 1527de0af0bfSRoi Dayan return err; 1528de0af0bfSRoi Dayan } 1529de0af0bfSRoi Dayan 1530d79b6df6SOr Gerlitz struct pedit_headers { 1531d79b6df6SOr Gerlitz struct ethhdr eth; 1532d79b6df6SOr Gerlitz struct iphdr ip4; 1533d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1534d79b6df6SOr Gerlitz struct tcphdr tcp; 1535d79b6df6SOr Gerlitz struct udphdr udp; 1536d79b6df6SOr Gerlitz }; 1537d79b6df6SOr Gerlitz 1538d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 1539d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 1540d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 1541d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 1542d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 1543d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1544d79b6df6SOr Gerlitz }; 1545d79b6df6SOr Gerlitz 1546d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1547d79b6df6SOr Gerlitz 1548d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1549d79b6df6SOr Gerlitz struct pedit_headers *masks, 1550d79b6df6SOr Gerlitz struct pedit_headers *vals) 1551d79b6df6SOr Gerlitz { 1552d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1553d79b6df6SOr Gerlitz 1554d79b6df6SOr Gerlitz if (hdr_type >= __PEDIT_HDR_TYPE_MAX) 1555d79b6df6SOr Gerlitz goto out_err; 1556d79b6df6SOr Gerlitz 1557d79b6df6SOr Gerlitz curr_pmask = (u32 *)(pedit_header(masks, hdr_type) + offset); 1558d79b6df6SOr Gerlitz curr_pval = (u32 *)(pedit_header(vals, hdr_type) + offset); 1559d79b6df6SOr Gerlitz 1560d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1561d79b6df6SOr Gerlitz goto out_err; 1562d79b6df6SOr Gerlitz 1563d79b6df6SOr Gerlitz *curr_pmask |= mask; 1564d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1565d79b6df6SOr Gerlitz 1566d79b6df6SOr Gerlitz return 0; 1567d79b6df6SOr Gerlitz 1568d79b6df6SOr Gerlitz out_err: 1569d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1570d79b6df6SOr Gerlitz } 1571d79b6df6SOr Gerlitz 1572d79b6df6SOr Gerlitz struct mlx5_fields { 1573d79b6df6SOr Gerlitz u8 field; 1574d79b6df6SOr Gerlitz u8 size; 1575d79b6df6SOr Gerlitz u32 offset; 1576d79b6df6SOr Gerlitz }; 1577d79b6df6SOr Gerlitz 1578a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1579a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1580a8e4f0c4SOr Gerlitz 1581d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1582a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1583a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1584a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1585a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1586a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 1587d79b6df6SOr Gerlitz 1588a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1589a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1590a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1591d79b6df6SOr Gerlitz 1592a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1593a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1594a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1595a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1596a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1597a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1598a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1599a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 16000c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1601d79b6df6SOr Gerlitz 1602a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1603a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1604a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1605d79b6df6SOr Gerlitz 1606a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1607a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1608d79b6df6SOr Gerlitz }; 1609d79b6df6SOr Gerlitz 1610d79b6df6SOr Gerlitz /* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at 1611d79b6df6SOr Gerlitz * max from the SW pedit action. On success, it says how many HW actions were 1612d79b6df6SOr Gerlitz * actually parsed. 1613d79b6df6SOr Gerlitz */ 1614d79b6df6SOr Gerlitz static int offload_pedit_fields(struct pedit_headers *masks, 1615d79b6df6SOr Gerlitz struct pedit_headers *vals, 1616d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1617d79b6df6SOr Gerlitz { 1618d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 16192b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1620d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1621d79b6df6SOr Gerlitz struct mlx5_fields *f; 1622d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1623e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1624d79b6df6SOr Gerlitz unsigned long mask; 16252b64bebaSOr Gerlitz __be32 mask_be32; 16262b64bebaSOr Gerlitz __be16 mask_be16; 1627d79b6df6SOr Gerlitz void *action; 1628d79b6df6SOr Gerlitz 1629d79b6df6SOr Gerlitz set_masks = &masks[TCA_PEDIT_KEY_EX_CMD_SET]; 1630d79b6df6SOr Gerlitz add_masks = &masks[TCA_PEDIT_KEY_EX_CMD_ADD]; 1631d79b6df6SOr Gerlitz set_vals = &vals[TCA_PEDIT_KEY_EX_CMD_SET]; 1632d79b6df6SOr Gerlitz add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD]; 1633d79b6df6SOr Gerlitz 1634d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1635d79b6df6SOr Gerlitz action = parse_attr->mod_hdr_actions; 1636d79b6df6SOr Gerlitz max_actions = parse_attr->num_mod_hdr_actions; 1637d79b6df6SOr Gerlitz nactions = 0; 1638d79b6df6SOr Gerlitz 1639d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1640d79b6df6SOr Gerlitz f = &fields[i]; 1641d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1642e3ca4e05SOr Gerlitz s_mask = 0; 1643e3ca4e05SOr Gerlitz a_mask = 0; 1644d79b6df6SOr Gerlitz 1645d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1646d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1647d79b6df6SOr Gerlitz 1648d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1649d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1650d79b6df6SOr Gerlitz 1651d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1652d79b6df6SOr Gerlitz continue; 1653d79b6df6SOr Gerlitz 1654d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1655d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1656d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1657d79b6df6SOr Gerlitz } 1658d79b6df6SOr Gerlitz 1659d79b6df6SOr Gerlitz if (nactions == max_actions) { 1660d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1661d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1662d79b6df6SOr Gerlitz } 1663d79b6df6SOr Gerlitz 1664d79b6df6SOr Gerlitz if (s_mask) { 1665d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1666d79b6df6SOr Gerlitz mask = s_mask; 1667d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1668d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1669d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1670d79b6df6SOr Gerlitz } else { 1671d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1672d79b6df6SOr Gerlitz mask = a_mask; 1673d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1674d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1675d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1676d79b6df6SOr Gerlitz } 1677d79b6df6SOr Gerlitz 1678d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1679e3ca4e05SOr Gerlitz 16802b64bebaSOr Gerlitz if (field_bsize == 32) { 16812b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 16822b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 16832b64bebaSOr Gerlitz } else if (field_bsize == 16) { 16842b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 16852b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 16862b64bebaSOr Gerlitz } 16872b64bebaSOr Gerlitz 1688d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 16892b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1690d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 16912b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 16922b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 1693d79b6df6SOr Gerlitz mask); 1694d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1695d79b6df6SOr Gerlitz } 1696d79b6df6SOr Gerlitz 1697d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 1698d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 1699d79b6df6SOr Gerlitz 1700d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 17012b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 1702d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 17032b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 1704d79b6df6SOr Gerlitz } 1705d79b6df6SOr Gerlitz 1706d79b6df6SOr Gerlitz if (field_bsize == 32) 17072b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 1708d79b6df6SOr Gerlitz else if (field_bsize == 16) 17092b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 1710d79b6df6SOr Gerlitz else if (field_bsize == 8) 17112b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 1712d79b6df6SOr Gerlitz 1713d79b6df6SOr Gerlitz action += action_size; 1714d79b6df6SOr Gerlitz nactions++; 1715d79b6df6SOr Gerlitz } 1716d79b6df6SOr Gerlitz 1717d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 1718d79b6df6SOr Gerlitz return 0; 1719d79b6df6SOr Gerlitz } 1720d79b6df6SOr Gerlitz 1721d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 1722d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1723d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1724d79b6df6SOr Gerlitz { 1725d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 1726d79b6df6SOr Gerlitz 1727d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1728d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1729d79b6df6SOr Gerlitz 1730d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 1731d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 1732d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 1733d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 1734d79b6df6SOr Gerlitz 1735d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 1736d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 1737d79b6df6SOr Gerlitz 1738d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 1739d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 1740d79b6df6SOr Gerlitz return -ENOMEM; 1741d79b6df6SOr Gerlitz 1742d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = max_actions; 1743d79b6df6SOr Gerlitz return 0; 1744d79b6df6SOr Gerlitz } 1745d79b6df6SOr Gerlitz 1746d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 1747d79b6df6SOr Gerlitz 1748d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 1749d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1750d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1751d79b6df6SOr Gerlitz { 1752d79b6df6SOr Gerlitz struct pedit_headers masks[__PEDIT_CMD_MAX], vals[__PEDIT_CMD_MAX], *cmd_masks; 1753d79b6df6SOr Gerlitz int nkeys, i, err = -EOPNOTSUPP; 1754d79b6df6SOr Gerlitz u32 mask, val, offset; 1755d79b6df6SOr Gerlitz u8 cmd, htype; 1756d79b6df6SOr Gerlitz 1757d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1758d79b6df6SOr Gerlitz 1759d79b6df6SOr Gerlitz memset(masks, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1760d79b6df6SOr Gerlitz memset(vals, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1761d79b6df6SOr Gerlitz 1762d79b6df6SOr Gerlitz for (i = 0; i < nkeys; i++) { 1763d79b6df6SOr Gerlitz htype = tcf_pedit_htype(a, i); 1764d79b6df6SOr Gerlitz cmd = tcf_pedit_cmd(a, i); 1765d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 1766d79b6df6SOr Gerlitz 1767d79b6df6SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK) { 1768b3a433deSOr Gerlitz netdev_warn(priv->netdev, "legacy pedit isn't offloaded\n"); 1769d79b6df6SOr Gerlitz goto out_err; 1770d79b6df6SOr Gerlitz } 1771d79b6df6SOr Gerlitz 1772d79b6df6SOr Gerlitz if (cmd != TCA_PEDIT_KEY_EX_CMD_SET && cmd != TCA_PEDIT_KEY_EX_CMD_ADD) { 1773b3a433deSOr Gerlitz netdev_warn(priv->netdev, "pedit cmd %d isn't offloaded\n", cmd); 1774d79b6df6SOr Gerlitz goto out_err; 1775d79b6df6SOr Gerlitz } 1776d79b6df6SOr Gerlitz 1777d79b6df6SOr Gerlitz mask = tcf_pedit_mask(a, i); 1778d79b6df6SOr Gerlitz val = tcf_pedit_val(a, i); 1779d79b6df6SOr Gerlitz offset = tcf_pedit_offset(a, i); 1780d79b6df6SOr Gerlitz 1781d79b6df6SOr Gerlitz err = set_pedit_val(htype, ~mask, val, offset, &masks[cmd], &vals[cmd]); 1782d79b6df6SOr Gerlitz if (err) 1783d79b6df6SOr Gerlitz goto out_err; 1784d79b6df6SOr Gerlitz } 1785d79b6df6SOr Gerlitz 1786d79b6df6SOr Gerlitz err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); 1787d79b6df6SOr Gerlitz if (err) 1788d79b6df6SOr Gerlitz goto out_err; 1789d79b6df6SOr Gerlitz 1790d79b6df6SOr Gerlitz err = offload_pedit_fields(masks, vals, parse_attr); 1791d79b6df6SOr Gerlitz if (err < 0) 1792d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 1793d79b6df6SOr Gerlitz 1794d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 1795d79b6df6SOr Gerlitz cmd_masks = &masks[cmd]; 1796d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 1797b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 1798d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 1799d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 1800d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 1801d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 1802d79b6df6SOr Gerlitz } 1803d79b6df6SOr Gerlitz } 1804d79b6df6SOr Gerlitz 1805d79b6df6SOr Gerlitz return 0; 1806d79b6df6SOr Gerlitz 1807d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 1808d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1809d79b6df6SOr Gerlitz out_err: 1810d79b6df6SOr Gerlitz return err; 1811d79b6df6SOr Gerlitz } 1812d79b6df6SOr Gerlitz 181326c02749SOr Gerlitz static bool csum_offload_supported(struct mlx5e_priv *priv, u32 action, u32 update_flags) 181426c02749SOr Gerlitz { 181526c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 181626c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 181726c02749SOr Gerlitz 181826c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 181926c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 182026c02749SOr Gerlitz netdev_warn(priv->netdev, 182126c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 182226c02749SOr Gerlitz return false; 182326c02749SOr Gerlitz } 182426c02749SOr Gerlitz 182526c02749SOr Gerlitz if (update_flags & ~prot_flags) { 182626c02749SOr Gerlitz netdev_warn(priv->netdev, 182726c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 182826c02749SOr Gerlitz update_flags); 182926c02749SOr Gerlitz return false; 183026c02749SOr Gerlitz } 183126c02749SOr Gerlitz 183226c02749SOr Gerlitz return true; 183326c02749SOr Gerlitz } 183426c02749SOr Gerlitz 1835bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 1836bdd66ac0SOr Gerlitz struct tcf_exts *exts) 1837bdd66ac0SOr Gerlitz { 1838bdd66ac0SOr Gerlitz const struct tc_action *a; 1839bdd66ac0SOr Gerlitz bool modify_ip_header; 1840bdd66ac0SOr Gerlitz LIST_HEAD(actions); 1841bdd66ac0SOr Gerlitz u8 htype, ip_proto; 1842bdd66ac0SOr Gerlitz void *headers_v; 1843bdd66ac0SOr Gerlitz u16 ethertype; 1844bdd66ac0SOr Gerlitz int nkeys, i; 1845bdd66ac0SOr Gerlitz 1846bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1847bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1848bdd66ac0SOr Gerlitz 1849bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 1850bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 1851bdd66ac0SOr Gerlitz goto out_ok; 1852bdd66ac0SOr Gerlitz 1853bdd66ac0SOr Gerlitz modify_ip_header = false; 1854bdd66ac0SOr Gerlitz tcf_exts_to_list(exts, &actions); 1855bdd66ac0SOr Gerlitz list_for_each_entry(a, &actions, list) { 1856bdd66ac0SOr Gerlitz if (!is_tcf_pedit(a)) 1857bdd66ac0SOr Gerlitz continue; 1858bdd66ac0SOr Gerlitz 1859bdd66ac0SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1860bdd66ac0SOr Gerlitz for (i = 0; i < nkeys; i++) { 1861bdd66ac0SOr Gerlitz htype = tcf_pedit_htype(a, i); 1862bdd66ac0SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP4 || 1863bdd66ac0SOr Gerlitz htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP6) { 1864bdd66ac0SOr Gerlitz modify_ip_header = true; 1865bdd66ac0SOr Gerlitz break; 1866bdd66ac0SOr Gerlitz } 1867bdd66ac0SOr Gerlitz } 1868bdd66ac0SOr Gerlitz } 1869bdd66ac0SOr Gerlitz 1870bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 18711ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 18721ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 1873bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 1874bdd66ac0SOr Gerlitz return false; 1875bdd66ac0SOr Gerlitz } 1876bdd66ac0SOr Gerlitz 1877bdd66ac0SOr Gerlitz out_ok: 1878bdd66ac0SOr Gerlitz return true; 1879bdd66ac0SOr Gerlitz } 1880bdd66ac0SOr Gerlitz 1881bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 1882bdd66ac0SOr Gerlitz struct tcf_exts *exts, 1883bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1884bdd66ac0SOr Gerlitz struct mlx5e_tc_flow *flow) 1885bdd66ac0SOr Gerlitz { 1886bdd66ac0SOr Gerlitz u32 actions; 1887bdd66ac0SOr Gerlitz 1888bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1889bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 1890bdd66ac0SOr Gerlitz else 1891bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 1892bdd66ac0SOr Gerlitz 1893bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 1894bdd66ac0SOr Gerlitz return modify_header_match_supported(&parse_attr->spec, exts); 1895bdd66ac0SOr Gerlitz 1896bdd66ac0SOr Gerlitz return true; 1897bdd66ac0SOr Gerlitz } 1898bdd66ac0SOr Gerlitz 18995c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 19005c65c564SOr Gerlitz { 19015c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 19025c65c564SOr Gerlitz u16 func_id, peer_id; 19035c65c564SOr Gerlitz 19045c65c564SOr Gerlitz fmdev = priv->mdev; 19055c65c564SOr Gerlitz pmdev = peer_priv->mdev; 19065c65c564SOr Gerlitz 19075c65c564SOr Gerlitz func_id = (u16)((fmdev->pdev->bus->number << 8) | PCI_SLOT(fmdev->pdev->devfn)); 19085c65c564SOr Gerlitz peer_id = (u16)((pmdev->pdev->bus->number << 8) | PCI_SLOT(pmdev->pdev->devfn)); 19095c65c564SOr Gerlitz 19105c65c564SOr Gerlitz return (func_id == peer_id); 19115c65c564SOr Gerlitz } 19125c65c564SOr Gerlitz 19135c40348cSOr Gerlitz static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 1914aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1915aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 1916e3a2b7edSAmir Vadai { 1917aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1918e3a2b7edSAmir Vadai const struct tc_action *a; 191922dc13c8SWANG Cong LIST_HEAD(actions); 19201cab1cd7SOr Gerlitz u32 action = 0; 19212f4fe4caSOr Gerlitz int err; 1922e3a2b7edSAmir Vadai 19233bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 1924e3a2b7edSAmir Vadai return -EINVAL; 1925e3a2b7edSAmir Vadai 19263bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 1927e3a2b7edSAmir Vadai 192822dc13c8SWANG Cong tcf_exts_to_list(exts, &actions); 192922dc13c8SWANG Cong list_for_each_entry(a, &actions, list) { 1930e3a2b7edSAmir Vadai if (is_tcf_gact_shot(a)) { 19311cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 1932aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 1933aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 19341cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 1935e3a2b7edSAmir Vadai continue; 1936e3a2b7edSAmir Vadai } 1937e3a2b7edSAmir Vadai 19382f4fe4caSOr Gerlitz if (is_tcf_pedit(a)) { 19392f4fe4caSOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_KERNEL, 19402f4fe4caSOr Gerlitz parse_attr); 19412f4fe4caSOr Gerlitz if (err) 19422f4fe4caSOr Gerlitz return err; 19432f4fe4caSOr Gerlitz 19441cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 19452f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 19462f4fe4caSOr Gerlitz continue; 19472f4fe4caSOr Gerlitz } 19482f4fe4caSOr Gerlitz 194926c02749SOr Gerlitz if (is_tcf_csum(a)) { 19501cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 195126c02749SOr Gerlitz tcf_csum_update_flags(a))) 195226c02749SOr Gerlitz continue; 195326c02749SOr Gerlitz 195426c02749SOr Gerlitz return -EOPNOTSUPP; 195526c02749SOr Gerlitz } 195626c02749SOr Gerlitz 19575c65c564SOr Gerlitz if (is_tcf_mirred_egress_redirect(a)) { 19585c65c564SOr Gerlitz struct net_device *peer_dev = tcf_mirred_dev(a); 19595c65c564SOr Gerlitz 19605c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 19615c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 19625c65c564SOr Gerlitz parse_attr->mirred_ifindex = peer_dev->ifindex; 19635c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 19641cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 19655c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 19665c65c564SOr Gerlitz } else { 19675c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 19685c65c564SOr Gerlitz peer_dev->name); 19695c65c564SOr Gerlitz return -EINVAL; 19705c65c564SOr Gerlitz } 19715c65c564SOr Gerlitz continue; 19725c65c564SOr Gerlitz } 19735c65c564SOr Gerlitz 1974e3a2b7edSAmir Vadai if (is_tcf_skbedit_mark(a)) { 1975e3a2b7edSAmir Vadai u32 mark = tcf_skbedit_mark(a); 1976e3a2b7edSAmir Vadai 1977e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 1978e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Bad flow mark - only 16 bit is supported: 0x%x\n", 1979e3a2b7edSAmir Vadai mark); 1980e3a2b7edSAmir Vadai return -EINVAL; 1981e3a2b7edSAmir Vadai } 1982e3a2b7edSAmir Vadai 19833bc4b7bfSOr Gerlitz attr->flow_tag = mark; 19841cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1985e3a2b7edSAmir Vadai continue; 1986e3a2b7edSAmir Vadai } 1987e3a2b7edSAmir Vadai 1988e3a2b7edSAmir Vadai return -EINVAL; 1989e3a2b7edSAmir Vadai } 1990e3a2b7edSAmir Vadai 19911cab1cd7SOr Gerlitz attr->action = action; 1992bdd66ac0SOr Gerlitz if (!actions_match_supported(priv, exts, parse_attr, flow)) 1993bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 1994bdd66ac0SOr Gerlitz 1995e3a2b7edSAmir Vadai return 0; 1996e3a2b7edSAmir Vadai } 1997e3a2b7edSAmir Vadai 199876f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 199976f7444dSOr Gerlitz struct ip_tunnel_key *b) 2000a54e20b4SHadar Hen Zion { 2001a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2002a54e20b4SHadar Hen Zion } 2003a54e20b4SHadar Hen Zion 200476f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2005a54e20b4SHadar Hen Zion { 200676f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2007a54e20b4SHadar Hen Zion } 2008a54e20b4SHadar Hen Zion 2009a54e20b4SHadar Hen Zion static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, 2010a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 2011a54e20b4SHadar Hen Zion struct net_device **out_dev, 2012a54e20b4SHadar Hen Zion struct flowi4 *fl4, 2013a54e20b4SHadar Hen Zion struct neighbour **out_n, 2014a54e20b4SHadar Hen Zion int *out_ttl) 2015a54e20b4SHadar Hen Zion { 20163e621b19SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20175ed99fb4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv; 2018a54e20b4SHadar Hen Zion struct rtable *rt; 2019a54e20b4SHadar Hen Zion struct neighbour *n = NULL; 2020a54e20b4SHadar Hen Zion 2021a54e20b4SHadar Hen Zion #if IS_ENABLED(CONFIG_INET) 2022abeffce9SArnd Bergmann int ret; 2023abeffce9SArnd Bergmann 2024a54e20b4SHadar Hen Zion rt = ip_route_output_key(dev_net(mirred_dev), fl4); 2025abeffce9SArnd Bergmann ret = PTR_ERR_OR_ZERO(rt); 2026abeffce9SArnd Bergmann if (ret) 2027abeffce9SArnd Bergmann return ret; 2028a54e20b4SHadar Hen Zion #else 2029a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2030a54e20b4SHadar Hen Zion #endif 2031a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 20323e621b19SHadar Hen Zion /* if the egress device isn't on the same HW e-switch, we use the uplink */ 20333e621b19SHadar Hen Zion if (!switchdev_port_same_parent_id(priv->netdev, rt->dst.dev)) 20345ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 20353e621b19SHadar Hen Zion else 20363e621b19SHadar Hen Zion *out_dev = rt->dst.dev; 2037a54e20b4SHadar Hen Zion 203875c33da8SOr Gerlitz *out_ttl = ip4_dst_hoplimit(&rt->dst); 2039a54e20b4SHadar Hen Zion n = dst_neigh_lookup(&rt->dst, &fl4->daddr); 2040a54e20b4SHadar Hen Zion ip_rt_put(rt); 2041a54e20b4SHadar Hen Zion if (!n) 2042a54e20b4SHadar Hen Zion return -ENOMEM; 2043a54e20b4SHadar Hen Zion 2044a54e20b4SHadar Hen Zion *out_n = n; 2045a54e20b4SHadar Hen Zion return 0; 2046a54e20b4SHadar Hen Zion } 2047a54e20b4SHadar Hen Zion 2048ce99f6b9SOr Gerlitz static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, 2049ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 2050ce99f6b9SOr Gerlitz struct net_device **out_dev, 2051ce99f6b9SOr Gerlitz struct flowi6 *fl6, 2052ce99f6b9SOr Gerlitz struct neighbour **out_n, 2053ce99f6b9SOr Gerlitz int *out_ttl) 2054ce99f6b9SOr Gerlitz { 2055ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2056ce99f6b9SOr Gerlitz struct dst_entry *dst; 2057ce99f6b9SOr Gerlitz 2058ce99f6b9SOr Gerlitz #if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6) 205974bd5d56SArnd Bergmann struct mlx5e_rep_priv *uplink_rpriv; 2060ce99f6b9SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2061ce99f6b9SOr Gerlitz int ret; 2062ce99f6b9SOr Gerlitz 206308820528SPaul Blakey ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst, 206408820528SPaul Blakey fl6); 206508820528SPaul Blakey if (ret < 0) 2066ce99f6b9SOr Gerlitz return ret; 2067ce99f6b9SOr Gerlitz 2068ce99f6b9SOr Gerlitz *out_ttl = ip6_dst_hoplimit(dst); 2069ce99f6b9SOr Gerlitz 2070a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2071ce99f6b9SOr Gerlitz /* if the egress device isn't on the same HW e-switch, we use the uplink */ 2072ce99f6b9SOr Gerlitz if (!switchdev_port_same_parent_id(priv->netdev, dst->dev)) 20735ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 2074ce99f6b9SOr Gerlitz else 2075ce99f6b9SOr Gerlitz *out_dev = dst->dev; 2076ce99f6b9SOr Gerlitz #else 2077ce99f6b9SOr Gerlitz return -EOPNOTSUPP; 2078ce99f6b9SOr Gerlitz #endif 2079ce99f6b9SOr Gerlitz 2080ce99f6b9SOr Gerlitz n = dst_neigh_lookup(dst, &fl6->daddr); 2081ce99f6b9SOr Gerlitz dst_release(dst); 2082ce99f6b9SOr Gerlitz if (!n) 2083ce99f6b9SOr Gerlitz return -ENOMEM; 2084ce99f6b9SOr Gerlitz 2085ce99f6b9SOr Gerlitz *out_n = n; 2086ce99f6b9SOr Gerlitz return 0; 2087ce99f6b9SOr Gerlitz } 2088ce99f6b9SOr Gerlitz 208932f3671fSOr Gerlitz static void gen_vxlan_header_ipv4(struct net_device *out_dev, 209032f3671fSOr Gerlitz char buf[], int encap_size, 2091a54e20b4SHadar Hen Zion unsigned char h_dest[ETH_ALEN], 2092a54e20b4SHadar Hen Zion int ttl, 2093a54e20b4SHadar Hen Zion __be32 daddr, 2094a54e20b4SHadar Hen Zion __be32 saddr, 2095a54e20b4SHadar Hen Zion __be16 udp_dst_port, 2096a54e20b4SHadar Hen Zion __be32 vx_vni) 2097a54e20b4SHadar Hen Zion { 2098a54e20b4SHadar Hen Zion struct ethhdr *eth = (struct ethhdr *)buf; 2099a54e20b4SHadar Hen Zion struct iphdr *ip = (struct iphdr *)((char *)eth + sizeof(struct ethhdr)); 2100a54e20b4SHadar Hen Zion struct udphdr *udp = (struct udphdr *)((char *)ip + sizeof(struct iphdr)); 2101a54e20b4SHadar Hen Zion struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2102a54e20b4SHadar Hen Zion 2103a54e20b4SHadar Hen Zion memset(buf, 0, encap_size); 2104a54e20b4SHadar Hen Zion 2105a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_dest, h_dest); 2106a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_source, out_dev->dev_addr); 2107a54e20b4SHadar Hen Zion eth->h_proto = htons(ETH_P_IP); 2108a54e20b4SHadar Hen Zion 2109a54e20b4SHadar Hen Zion ip->daddr = daddr; 2110a54e20b4SHadar Hen Zion ip->saddr = saddr; 2111a54e20b4SHadar Hen Zion 2112a54e20b4SHadar Hen Zion ip->ttl = ttl; 2113a54e20b4SHadar Hen Zion ip->protocol = IPPROTO_UDP; 2114a54e20b4SHadar Hen Zion ip->version = 0x4; 2115a54e20b4SHadar Hen Zion ip->ihl = 0x5; 2116a54e20b4SHadar Hen Zion 2117a54e20b4SHadar Hen Zion udp->dest = udp_dst_port; 2118a54e20b4SHadar Hen Zion vxh->vx_flags = VXLAN_HF_VNI; 2119a54e20b4SHadar Hen Zion vxh->vx_vni = vxlan_vni_field(vx_vni); 2120a54e20b4SHadar Hen Zion } 2121a54e20b4SHadar Hen Zion 2122225aabafSOr Gerlitz static void gen_vxlan_header_ipv6(struct net_device *out_dev, 2123225aabafSOr Gerlitz char buf[], int encap_size, 2124ce99f6b9SOr Gerlitz unsigned char h_dest[ETH_ALEN], 2125ce99f6b9SOr Gerlitz int ttl, 2126ce99f6b9SOr Gerlitz struct in6_addr *daddr, 2127ce99f6b9SOr Gerlitz struct in6_addr *saddr, 2128ce99f6b9SOr Gerlitz __be16 udp_dst_port, 2129ce99f6b9SOr Gerlitz __be32 vx_vni) 2130ce99f6b9SOr Gerlitz { 2131ce99f6b9SOr Gerlitz struct ethhdr *eth = (struct ethhdr *)buf; 2132ce99f6b9SOr Gerlitz struct ipv6hdr *ip6h = (struct ipv6hdr *)((char *)eth + sizeof(struct ethhdr)); 2133ce99f6b9SOr Gerlitz struct udphdr *udp = (struct udphdr *)((char *)ip6h + sizeof(struct ipv6hdr)); 2134ce99f6b9SOr Gerlitz struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2135ce99f6b9SOr Gerlitz 2136ce99f6b9SOr Gerlitz memset(buf, 0, encap_size); 2137ce99f6b9SOr Gerlitz 2138ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_dest, h_dest); 2139ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_source, out_dev->dev_addr); 2140ce99f6b9SOr Gerlitz eth->h_proto = htons(ETH_P_IPV6); 2141ce99f6b9SOr Gerlitz 2142ce99f6b9SOr Gerlitz ip6_flow_hdr(ip6h, 0, 0); 2143ce99f6b9SOr Gerlitz /* the HW fills up ipv6 payload len */ 2144ce99f6b9SOr Gerlitz ip6h->nexthdr = IPPROTO_UDP; 2145ce99f6b9SOr Gerlitz ip6h->hop_limit = ttl; 2146ce99f6b9SOr Gerlitz ip6h->daddr = *daddr; 2147ce99f6b9SOr Gerlitz ip6h->saddr = *saddr; 2148ce99f6b9SOr Gerlitz 2149ce99f6b9SOr Gerlitz udp->dest = udp_dst_port; 2150ce99f6b9SOr Gerlitz vxh->vx_flags = VXLAN_HF_VNI; 2151ce99f6b9SOr Gerlitz vxh->vx_vni = vxlan_vni_field(vx_vni); 2152ce99f6b9SOr Gerlitz } 2153ce99f6b9SOr Gerlitz 2154a54e20b4SHadar Hen Zion static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, 2155a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 21561a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2157a54e20b4SHadar Hen Zion { 2158a54e20b4SHadar Hen Zion int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 215932f3671fSOr Gerlitz int ipv4_encap_size = ETH_HLEN + sizeof(struct iphdr) + VXLAN_HLEN; 216076f7444dSOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 21611a8552bdSHadar Hen Zion struct net_device *out_dev; 2162a42485ebSOr Gerlitz struct neighbour *n = NULL; 2163a54e20b4SHadar Hen Zion struct flowi4 fl4 = {}; 2164a54e20b4SHadar Hen Zion char *encap_header; 216532f3671fSOr Gerlitz int ttl, err; 2166033354d5SHadar Hen Zion u8 nud_state; 2167a54e20b4SHadar Hen Zion 216832f3671fSOr Gerlitz if (max_encap_size < ipv4_encap_size) { 216932f3671fSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 217032f3671fSOr Gerlitz ipv4_encap_size, max_encap_size); 217132f3671fSOr Gerlitz return -EOPNOTSUPP; 217232f3671fSOr Gerlitz } 217332f3671fSOr Gerlitz 217432f3671fSOr Gerlitz encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL); 2175a54e20b4SHadar Hen Zion if (!encap_header) 2176a54e20b4SHadar Hen Zion return -ENOMEM; 2177a54e20b4SHadar Hen Zion 2178a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 2179a54e20b4SHadar Hen Zion case MLX5_HEADER_TYPE_VXLAN: 2180a54e20b4SHadar Hen Zion fl4.flowi4_proto = IPPROTO_UDP; 218176f7444dSOr Gerlitz fl4.fl4_dport = tun_key->tp_dst; 2182a54e20b4SHadar Hen Zion break; 2183a54e20b4SHadar Hen Zion default: 2184a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2185ace74321SPaul Blakey goto free_encap; 2186a54e20b4SHadar Hen Zion } 21879a941117SOr Gerlitz fl4.flowi4_tos = tun_key->tos; 218876f7444dSOr Gerlitz fl4.daddr = tun_key->u.ipv4.dst; 21899a941117SOr Gerlitz fl4.saddr = tun_key->u.ipv4.src; 2190a54e20b4SHadar Hen Zion 21911a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv4(priv, mirred_dev, &out_dev, 21929a941117SOr Gerlitz &fl4, &n, &ttl); 2193a54e20b4SHadar Hen Zion if (err) 2194ace74321SPaul Blakey goto free_encap; 2195a54e20b4SHadar Hen Zion 2196232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2197232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2198232c0013SHadar Hen Zion */ 2199232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2200f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2201232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2202232c0013SHadar Hen Zion e->out_dev = out_dev; 2203232c0013SHadar Hen Zion 2204232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2205232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2206232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2207232c0013SHadar Hen Zion * in the hash. 2208232c0013SHadar Hen Zion */ 2209232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2210232c0013SHadar Hen Zion if (err) 2211ace74321SPaul Blakey goto free_encap; 2212232c0013SHadar Hen Zion 2213033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2214033354d5SHadar Hen Zion nud_state = n->nud_state; 2215033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2216033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2217033354d5SHadar Hen Zion 2218a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 2219a54e20b4SHadar Hen Zion case MLX5_HEADER_TYPE_VXLAN: 22201a8552bdSHadar Hen Zion gen_vxlan_header_ipv4(out_dev, encap_header, 222132f3671fSOr Gerlitz ipv4_encap_size, e->h_dest, ttl, 22229a941117SOr Gerlitz fl4.daddr, 22239a941117SOr Gerlitz fl4.saddr, tun_key->tp_dst, 222476f7444dSOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2225a54e20b4SHadar Hen Zion break; 2226a54e20b4SHadar Hen Zion default: 2227a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2228232c0013SHadar Hen Zion goto destroy_neigh_entry; 2229232c0013SHadar Hen Zion } 2230232c0013SHadar Hen Zion e->encap_size = ipv4_encap_size; 2231232c0013SHadar Hen Zion e->encap_header = encap_header; 2232232c0013SHadar Hen Zion 2233232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2234232c0013SHadar Hen Zion neigh_event_send(n, NULL); 223527902f08SWei Yongjun err = -EAGAIN; 223627902f08SWei Yongjun goto out; 2237a54e20b4SHadar Hen Zion } 2238a54e20b4SHadar Hen Zion 2239a54e20b4SHadar Hen Zion err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 224032f3671fSOr Gerlitz ipv4_encap_size, encap_header, &e->encap_id); 2241232c0013SHadar Hen Zion if (err) 2242232c0013SHadar Hen Zion goto destroy_neigh_entry; 2243232c0013SHadar Hen Zion 2244232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2245f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2246a42485ebSOr Gerlitz neigh_release(n); 2247232c0013SHadar Hen Zion return err; 2248232c0013SHadar Hen Zion 2249232c0013SHadar Hen Zion destroy_neigh_entry: 2250232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2251ace74321SPaul Blakey free_encap: 2252a54e20b4SHadar Hen Zion kfree(encap_header); 2253ace74321SPaul Blakey out: 2254232c0013SHadar Hen Zion if (n) 2255232c0013SHadar Hen Zion neigh_release(n); 2256a54e20b4SHadar Hen Zion return err; 2257a54e20b4SHadar Hen Zion } 2258a54e20b4SHadar Hen Zion 2259ce99f6b9SOr Gerlitz static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv, 2260ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 22611a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2262ce99f6b9SOr Gerlitz { 2263ce99f6b9SOr Gerlitz int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 2264225aabafSOr Gerlitz int ipv6_encap_size = ETH_HLEN + sizeof(struct ipv6hdr) + VXLAN_HLEN; 2265ce99f6b9SOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 22661a8552bdSHadar Hen Zion struct net_device *out_dev; 2267ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2268ce99f6b9SOr Gerlitz struct flowi6 fl6 = {}; 2269ce99f6b9SOr Gerlitz char *encap_header; 2270225aabafSOr Gerlitz int err, ttl = 0; 2271033354d5SHadar Hen Zion u8 nud_state; 2272ce99f6b9SOr Gerlitz 2273225aabafSOr Gerlitz if (max_encap_size < ipv6_encap_size) { 2274225aabafSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 2275225aabafSOr Gerlitz ipv6_encap_size, max_encap_size); 2276225aabafSOr Gerlitz return -EOPNOTSUPP; 2277225aabafSOr Gerlitz } 2278225aabafSOr Gerlitz 2279225aabafSOr Gerlitz encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL); 2280ce99f6b9SOr Gerlitz if (!encap_header) 2281ce99f6b9SOr Gerlitz return -ENOMEM; 2282ce99f6b9SOr Gerlitz 2283ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 2284ce99f6b9SOr Gerlitz case MLX5_HEADER_TYPE_VXLAN: 2285ce99f6b9SOr Gerlitz fl6.flowi6_proto = IPPROTO_UDP; 2286ce99f6b9SOr Gerlitz fl6.fl6_dport = tun_key->tp_dst; 2287ce99f6b9SOr Gerlitz break; 2288ce99f6b9SOr Gerlitz default: 2289ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2290ace74321SPaul Blakey goto free_encap; 2291ce99f6b9SOr Gerlitz } 2292ce99f6b9SOr Gerlitz 2293ce99f6b9SOr Gerlitz fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label); 2294ce99f6b9SOr Gerlitz fl6.daddr = tun_key->u.ipv6.dst; 2295ce99f6b9SOr Gerlitz fl6.saddr = tun_key->u.ipv6.src; 2296ce99f6b9SOr Gerlitz 22971a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv6(priv, mirred_dev, &out_dev, 2298ce99f6b9SOr Gerlitz &fl6, &n, &ttl); 2299ce99f6b9SOr Gerlitz if (err) 2300ace74321SPaul Blakey goto free_encap; 2301ce99f6b9SOr Gerlitz 2302232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2303232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2304232c0013SHadar Hen Zion */ 2305232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2306f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2307232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2308232c0013SHadar Hen Zion e->out_dev = out_dev; 2309232c0013SHadar Hen Zion 2310232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2311232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2312232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2313232c0013SHadar Hen Zion * in the hash. 2314232c0013SHadar Hen Zion */ 2315232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2316232c0013SHadar Hen Zion if (err) 2317ace74321SPaul Blakey goto free_encap; 2318232c0013SHadar Hen Zion 2319033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2320033354d5SHadar Hen Zion nud_state = n->nud_state; 2321033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2322033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2323033354d5SHadar Hen Zion 2324ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 2325ce99f6b9SOr Gerlitz case MLX5_HEADER_TYPE_VXLAN: 23261a8552bdSHadar Hen Zion gen_vxlan_header_ipv6(out_dev, encap_header, 2327225aabafSOr Gerlitz ipv6_encap_size, e->h_dest, ttl, 2328ce99f6b9SOr Gerlitz &fl6.daddr, 2329ce99f6b9SOr Gerlitz &fl6.saddr, tun_key->tp_dst, 2330ce99f6b9SOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2331ce99f6b9SOr Gerlitz break; 2332ce99f6b9SOr Gerlitz default: 2333ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2334232c0013SHadar Hen Zion goto destroy_neigh_entry; 2335232c0013SHadar Hen Zion } 2336232c0013SHadar Hen Zion 2337232c0013SHadar Hen Zion e->encap_size = ipv6_encap_size; 2338232c0013SHadar Hen Zion e->encap_header = encap_header; 2339232c0013SHadar Hen Zion 2340232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2341232c0013SHadar Hen Zion neigh_event_send(n, NULL); 234227902f08SWei Yongjun err = -EAGAIN; 234327902f08SWei Yongjun goto out; 2344ce99f6b9SOr Gerlitz } 2345ce99f6b9SOr Gerlitz 2346ce99f6b9SOr Gerlitz err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 2347225aabafSOr Gerlitz ipv6_encap_size, encap_header, &e->encap_id); 2348232c0013SHadar Hen Zion if (err) 2349232c0013SHadar Hen Zion goto destroy_neigh_entry; 2350232c0013SHadar Hen Zion 2351232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2352f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2353ce99f6b9SOr Gerlitz neigh_release(n); 2354232c0013SHadar Hen Zion return err; 2355232c0013SHadar Hen Zion 2356232c0013SHadar Hen Zion destroy_neigh_entry: 2357232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2358ace74321SPaul Blakey free_encap: 2359ce99f6b9SOr Gerlitz kfree(encap_header); 2360ace74321SPaul Blakey out: 2361232c0013SHadar Hen Zion if (n) 2362232c0013SHadar Hen Zion neigh_release(n); 2363ce99f6b9SOr Gerlitz return err; 2364ce99f6b9SOr Gerlitz } 2365ce99f6b9SOr Gerlitz 2366a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2367a54e20b4SHadar Hen Zion struct ip_tunnel_info *tun_info, 2368a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 236945247bf2SOr Gerlitz struct net_device **encap_dev, 237045247bf2SOr Gerlitz struct mlx5e_tc_flow *flow) 237103a9d11eSOr Gerlitz { 2372a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2373a4b97ab4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, 2374a4b97ab4SMark Bloch REP_ETH); 23755ed99fb4SMark Bloch struct net_device *up_dev = uplink_rpriv->netdev; 2376a54e20b4SHadar Hen Zion unsigned short family = ip_tunnel_info_af(tun_info); 237745247bf2SOr Gerlitz struct mlx5e_priv *up_priv = netdev_priv(up_dev); 237845247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2379a54e20b4SHadar Hen Zion struct ip_tunnel_key *key = &tun_info->key; 2380c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 238145247bf2SOr Gerlitz int tunnel_type, err = 0; 2382a54e20b4SHadar Hen Zion uintptr_t hash_key; 2383a54e20b4SHadar Hen Zion bool found = false; 2384a54e20b4SHadar Hen Zion 23852fcd82e9SOr Gerlitz /* udp dst port must be set */ 2386a54e20b4SHadar Hen Zion if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst))) 23872fcd82e9SOr Gerlitz goto vxlan_encap_offload_err; 2388a54e20b4SHadar Hen Zion 2389cd377663SOr Gerlitz /* setting udp src port isn't supported */ 23902fcd82e9SOr Gerlitz if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) { 23912fcd82e9SOr Gerlitz vxlan_encap_offload_err: 23922fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 23932fcd82e9SOr Gerlitz "must set udp dst port and not set udp src port\n"); 2394cd377663SOr Gerlitz return -EOPNOTSUPP; 23952fcd82e9SOr Gerlitz } 2396cd377663SOr Gerlitz 23971ad9a00aSPaul Blakey if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->tp_dst)) && 2398a54e20b4SHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { 2399a54e20b4SHadar Hen Zion tunnel_type = MLX5_HEADER_TYPE_VXLAN; 2400a54e20b4SHadar Hen Zion } else { 24012fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 24022fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->tp_dst)); 2403a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2404a54e20b4SHadar Hen Zion } 2405a54e20b4SHadar Hen Zion 240676f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2407a54e20b4SHadar Hen Zion 2408a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2409a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 241076f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2411a54e20b4SHadar Hen Zion found = true; 2412a54e20b4SHadar Hen Zion break; 2413a54e20b4SHadar Hen Zion } 2414a54e20b4SHadar Hen Zion } 2415a54e20b4SHadar Hen Zion 2416b2812089SVlad Buslov /* must verify if encap is valid or not */ 241745247bf2SOr Gerlitz if (found) 241845247bf2SOr Gerlitz goto attach_flow; 2419a54e20b4SHadar Hen Zion 2420a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2421a54e20b4SHadar Hen Zion if (!e) 2422a54e20b4SHadar Hen Zion return -ENOMEM; 2423a54e20b4SHadar Hen Zion 242476f7444dSOr Gerlitz e->tun_info = *tun_info; 2425a54e20b4SHadar Hen Zion e->tunnel_type = tunnel_type; 2426a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2427a54e20b4SHadar Hen Zion 2428ce99f6b9SOr Gerlitz if (family == AF_INET) 24291a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv4(priv, mirred_dev, e); 2430ce99f6b9SOr Gerlitz else if (family == AF_INET6) 24311a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv6(priv, mirred_dev, e); 2432ce99f6b9SOr Gerlitz 2433232c0013SHadar Hen Zion if (err && err != -EAGAIN) 2434a54e20b4SHadar Hen Zion goto out_err; 2435a54e20b4SHadar Hen Zion 2436a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2437a54e20b4SHadar Hen Zion 243845247bf2SOr Gerlitz attach_flow: 243945247bf2SOr Gerlitz list_add(&flow->encap, &e->flows); 244045247bf2SOr Gerlitz *encap_dev = e->out_dev; 2441232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 244245247bf2SOr Gerlitz attr->encap_id = e->encap_id; 2443b2812089SVlad Buslov else 2444b2812089SVlad Buslov err = -EAGAIN; 244545247bf2SOr Gerlitz 2446232c0013SHadar Hen Zion return err; 2447a54e20b4SHadar Hen Zion 2448a54e20b4SHadar Hen Zion out_err: 2449a54e20b4SHadar Hen Zion kfree(e); 2450a54e20b4SHadar Hen Zion return err; 2451a54e20b4SHadar Hen Zion } 2452a54e20b4SHadar Hen Zion 2453a54e20b4SHadar Hen Zion static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2454d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2455a54e20b4SHadar Hen Zion struct mlx5e_tc_flow *flow) 2456a54e20b4SHadar Hen Zion { 2457ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 24581d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 2459a54e20b4SHadar Hen Zion struct ip_tunnel_info *info = NULL; 246003a9d11eSOr Gerlitz const struct tc_action *a; 246122dc13c8SWANG Cong LIST_HEAD(actions); 2462a54e20b4SHadar Hen Zion bool encap = false; 24631cab1cd7SOr Gerlitz u32 action = 0; 246403a9d11eSOr Gerlitz 24653bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 246603a9d11eSOr Gerlitz return -EINVAL; 246703a9d11eSOr Gerlitz 24681d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 246903a9d11eSOr Gerlitz 247022dc13c8SWANG Cong tcf_exts_to_list(exts, &actions); 247122dc13c8SWANG Cong list_for_each_entry(a, &actions, list) { 247203a9d11eSOr Gerlitz if (is_tcf_gact_shot(a)) { 24731cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 247403a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 247503a9d11eSOr Gerlitz continue; 247603a9d11eSOr Gerlitz } 247703a9d11eSOr Gerlitz 2478d7e75a32SOr Gerlitz if (is_tcf_pedit(a)) { 247931c8eba5SOr Gerlitz int err; 248031c8eba5SOr Gerlitz 2481d7e75a32SOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_FDB, 2482d7e75a32SOr Gerlitz parse_attr); 2483d7e75a32SOr Gerlitz if (err) 2484d7e75a32SOr Gerlitz return err; 2485d7e75a32SOr Gerlitz 24861cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2487d7e75a32SOr Gerlitz continue; 2488d7e75a32SOr Gerlitz } 2489d7e75a32SOr Gerlitz 249026c02749SOr Gerlitz if (is_tcf_csum(a)) { 24911cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 249226c02749SOr Gerlitz tcf_csum_update_flags(a))) 249326c02749SOr Gerlitz continue; 249426c02749SOr Gerlitz 249526c02749SOr Gerlitz return -EOPNOTSUPP; 249626c02749SOr Gerlitz } 249726c02749SOr Gerlitz 24985724b8b5SShmulik Ladkani if (is_tcf_mirred_egress_redirect(a)) { 24993c37745eSOr Gerlitz struct net_device *out_dev; 250003a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 250103a9d11eSOr Gerlitz 25029f8a739eSCong Wang out_dev = tcf_mirred_dev(a); 250303a9d11eSOr Gerlitz 2504a54e20b4SHadar Hen Zion if (switchdev_port_same_parent_id(priv->netdev, 2505a54e20b4SHadar Hen Zion out_dev)) { 25061cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2507e37a79e5SMark Bloch MLX5_FLOW_CONTEXT_ACTION_COUNT; 250803a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 25091d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 25101d447a39SSaeed Mahameed attr->out_rep = rpriv->rep; 2511a54e20b4SHadar Hen Zion } else if (encap) { 25129f8a739eSCong Wang parse_attr->mirred_ifindex = out_dev->ifindex; 25133c37745eSOr Gerlitz parse_attr->tun_info = *info; 25143c37745eSOr Gerlitz attr->parse_attr = parse_attr; 25151cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_ENCAP | 2516a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2517a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_COUNT; 25183c37745eSOr Gerlitz /* attr->out_rep is resolved when we handle encap */ 2519a54e20b4SHadar Hen Zion } else { 2520a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2521a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2522a54e20b4SHadar Hen Zion return -EINVAL; 2523a54e20b4SHadar Hen Zion } 2524a54e20b4SHadar Hen Zion continue; 2525a54e20b4SHadar Hen Zion } 2526a54e20b4SHadar Hen Zion 2527a54e20b4SHadar Hen Zion if (is_tcf_tunnel_set(a)) { 2528a54e20b4SHadar Hen Zion info = tcf_tunnel_info(a); 2529a54e20b4SHadar Hen Zion if (info) 2530a54e20b4SHadar Hen Zion encap = true; 2531a54e20b4SHadar Hen Zion else 2532a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 253303a9d11eSOr Gerlitz continue; 253403a9d11eSOr Gerlitz } 253503a9d11eSOr Gerlitz 25368b32580dSOr Gerlitz if (is_tcf_vlan(a)) { 253709c91ddfSOr Gerlitz if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { 25381cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 253909c91ddfSOr Gerlitz } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { 25401cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 25416acfbf38SOr Gerlitz attr->vlan_vid = tcf_vlan_push_vid(a); 25426acfbf38SOr Gerlitz if (mlx5_eswitch_vlan_actions_supported(priv->mdev)) { 25436acfbf38SOr Gerlitz attr->vlan_prio = tcf_vlan_push_prio(a); 25446acfbf38SOr Gerlitz attr->vlan_proto = tcf_vlan_push_proto(a); 25456acfbf38SOr Gerlitz if (!attr->vlan_proto) 25466acfbf38SOr Gerlitz attr->vlan_proto = htons(ETH_P_8021Q); 25476acfbf38SOr Gerlitz } else if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || 25486acfbf38SOr Gerlitz tcf_vlan_push_prio(a)) { 25496acfbf38SOr Gerlitz return -EOPNOTSUPP; 25506acfbf38SOr Gerlitz } 255109c91ddfSOr Gerlitz } else { /* action is TCA_VLAN_ACT_MODIFY */ 255209c91ddfSOr Gerlitz return -EOPNOTSUPP; 25538b32580dSOr Gerlitz } 25548b32580dSOr Gerlitz continue; 25558b32580dSOr Gerlitz } 25568b32580dSOr Gerlitz 2557bbd00f7eSHadar Hen Zion if (is_tcf_tunnel_release(a)) { 25581cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2559bbd00f7eSHadar Hen Zion continue; 2560bbd00f7eSHadar Hen Zion } 2561bbd00f7eSHadar Hen Zion 256203a9d11eSOr Gerlitz return -EINVAL; 256303a9d11eSOr Gerlitz } 2564bdd66ac0SOr Gerlitz 25651cab1cd7SOr Gerlitz attr->action = action; 2566bdd66ac0SOr Gerlitz if (!actions_match_supported(priv, exts, parse_attr, flow)) 2567bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2568bdd66ac0SOr Gerlitz 256931c8eba5SOr Gerlitz return 0; 257003a9d11eSOr Gerlitz } 257103a9d11eSOr Gerlitz 25725fd9fc4eSJiri Pirko int mlx5e_configure_flower(struct mlx5e_priv *priv, 2573e3a2b7edSAmir Vadai struct tc_cls_flower_offload *f) 2574e3a2b7edSAmir Vadai { 2575adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 257617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 25773bc4b7bfSOr Gerlitz struct mlx5e_tc_table *tc = &priv->fs.tc; 25783bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 25793bc4b7bfSOr Gerlitz int attr_size, err = 0; 258065ba8fb7SOr Gerlitz u8 flow_flags = 0; 2581e3a2b7edSAmir Vadai 258265ba8fb7SOr Gerlitz if (esw && esw->mode == SRIOV_OFFLOADS) { 258365ba8fb7SOr Gerlitz flow_flags = MLX5E_TC_FLOW_ESWITCH; 258465ba8fb7SOr Gerlitz attr_size = sizeof(struct mlx5_esw_flow_attr); 25853bc4b7bfSOr Gerlitz } else { 25863bc4b7bfSOr Gerlitz flow_flags = MLX5E_TC_FLOW_NIC; 25873bc4b7bfSOr Gerlitz attr_size = sizeof(struct mlx5_nic_flow_attr); 258865ba8fb7SOr Gerlitz } 2589776b12b6SOr Gerlitz 259065ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 25911b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 259217091853SOr Gerlitz if (!parse_attr || !flow) { 2593e3a2b7edSAmir Vadai err = -ENOMEM; 2594e3a2b7edSAmir Vadai goto err_free; 2595e3a2b7edSAmir Vadai } 2596e3a2b7edSAmir Vadai 2597e3a2b7edSAmir Vadai flow->cookie = f->cookie; 259865ba8fb7SOr Gerlitz flow->flags = flow_flags; 2599e3a2b7edSAmir Vadai 260017091853SOr Gerlitz err = parse_cls_flower(priv, flow, &parse_attr->spec, f); 2601e3a2b7edSAmir Vadai if (err < 0) 2602e3a2b7edSAmir Vadai goto err_free; 2603e3a2b7edSAmir Vadai 260465ba8fb7SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 2605d7e75a32SOr Gerlitz err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow); 2606adb4c123SOr Gerlitz if (err < 0) 26073c37745eSOr Gerlitz goto err_free; 2608aa0cbbaeSOr Gerlitz flow->rule = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow); 2609adb4c123SOr Gerlitz } else { 2610aa0cbbaeSOr Gerlitz err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow); 2611e3a2b7edSAmir Vadai if (err < 0) 2612e3a2b7edSAmir Vadai goto err_free; 2613aa0cbbaeSOr Gerlitz flow->rule = mlx5e_tc_add_nic_flow(priv, parse_attr, flow); 2614adb4c123SOr Gerlitz } 2615adb4c123SOr Gerlitz 26165c40348cSOr Gerlitz if (IS_ERR(flow->rule)) { 26175c40348cSOr Gerlitz err = PTR_ERR(flow->rule); 26183c37745eSOr Gerlitz if (err != -EAGAIN) 2619aa0cbbaeSOr Gerlitz goto err_free; 26205c40348cSOr Gerlitz } 26215c40348cSOr Gerlitz 26223c37745eSOr Gerlitz if (err != -EAGAIN) 26230b67a38fSHadar Hen Zion flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 26243c37745eSOr Gerlitz 2625af1607c3SJianbo Liu if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 2626232c0013SHadar Hen Zion !(flow->esw_attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)) 2627232c0013SHadar Hen Zion kvfree(parse_attr); 2628e3a2b7edSAmir Vadai 2629af1607c3SJianbo Liu err = rhashtable_insert_fast(&tc->ht, &flow->node, 2630af1607c3SJianbo Liu tc->ht_params); 2631af1607c3SJianbo Liu if (err) { 26325e86397aSOr Gerlitz mlx5e_tc_del_flow(priv, flow); 2633af1607c3SJianbo Liu kfree(flow); 2634af1607c3SJianbo Liu } 2635af1607c3SJianbo Liu 2636af1607c3SJianbo Liu return err; 2637e3a2b7edSAmir Vadai 2638e3a2b7edSAmir Vadai err_free: 263917091853SOr Gerlitz kvfree(parse_attr); 2640232c0013SHadar Hen Zion kfree(flow); 2641e3a2b7edSAmir Vadai return err; 2642e3a2b7edSAmir Vadai } 2643e3a2b7edSAmir Vadai 2644e3a2b7edSAmir Vadai int mlx5e_delete_flower(struct mlx5e_priv *priv, 2645e3a2b7edSAmir Vadai struct tc_cls_flower_offload *f) 2646e3a2b7edSAmir Vadai { 2647e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 2648acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 2649e3a2b7edSAmir Vadai 2650e3a2b7edSAmir Vadai flow = rhashtable_lookup_fast(&tc->ht, &f->cookie, 2651e3a2b7edSAmir Vadai tc->ht_params); 2652e3a2b7edSAmir Vadai if (!flow) 2653e3a2b7edSAmir Vadai return -EINVAL; 2654e3a2b7edSAmir Vadai 2655e3a2b7edSAmir Vadai rhashtable_remove_fast(&tc->ht, &flow->node, tc->ht_params); 2656e3a2b7edSAmir Vadai 2657961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2658e3a2b7edSAmir Vadai 2659e3a2b7edSAmir Vadai kfree(flow); 2660e3a2b7edSAmir Vadai 2661e3a2b7edSAmir Vadai return 0; 2662e3a2b7edSAmir Vadai } 2663e3a2b7edSAmir Vadai 2664aad7e08dSAmir Vadai int mlx5e_stats_flower(struct mlx5e_priv *priv, 2665aad7e08dSAmir Vadai struct tc_cls_flower_offload *f) 2666aad7e08dSAmir Vadai { 2667aad7e08dSAmir Vadai struct mlx5e_tc_table *tc = &priv->fs.tc; 2668aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 2669aad7e08dSAmir Vadai struct mlx5_fc *counter; 2670aad7e08dSAmir Vadai u64 bytes; 2671aad7e08dSAmir Vadai u64 packets; 2672aad7e08dSAmir Vadai u64 lastuse; 2673aad7e08dSAmir Vadai 2674aad7e08dSAmir Vadai flow = rhashtable_lookup_fast(&tc->ht, &f->cookie, 2675aad7e08dSAmir Vadai tc->ht_params); 2676aad7e08dSAmir Vadai if (!flow) 2677aad7e08dSAmir Vadai return -EINVAL; 2678aad7e08dSAmir Vadai 26790b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 26800b67a38fSHadar Hen Zion return 0; 26810b67a38fSHadar Hen Zion 2682aad7e08dSAmir Vadai counter = mlx5_flow_rule_counter(flow->rule); 2683aad7e08dSAmir Vadai if (!counter) 2684aad7e08dSAmir Vadai return 0; 2685aad7e08dSAmir Vadai 2686aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 2687aad7e08dSAmir Vadai 2688d897a638SJakub Kicinski tcf_exts_stats_update(f->exts, bytes, packets, lastuse); 2689fed06ee8SOr Gerlitz 2690aad7e08dSAmir Vadai return 0; 2691aad7e08dSAmir Vadai } 2692aad7e08dSAmir Vadai 2693e8f887acSAmir Vadai static const struct rhashtable_params mlx5e_tc_flow_ht_params = { 2694e8f887acSAmir Vadai .head_offset = offsetof(struct mlx5e_tc_flow, node), 2695e8f887acSAmir Vadai .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 2696e8f887acSAmir Vadai .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 2697e8f887acSAmir Vadai .automatic_shrinking = true, 2698e8f887acSAmir Vadai }; 2699e8f887acSAmir Vadai 2700e8f887acSAmir Vadai int mlx5e_tc_init(struct mlx5e_priv *priv) 2701e8f887acSAmir Vadai { 2702acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 2703e8f887acSAmir Vadai 270411c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 27055c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 270611c9c548SOr Gerlitz 2707e8f887acSAmir Vadai tc->ht_params = mlx5e_tc_flow_ht_params; 2708e8f887acSAmir Vadai return rhashtable_init(&tc->ht, &tc->ht_params); 2709e8f887acSAmir Vadai } 2710e8f887acSAmir Vadai 2711e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 2712e8f887acSAmir Vadai { 2713e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 2714e8f887acSAmir Vadai struct mlx5e_priv *priv = arg; 2715e8f887acSAmir Vadai 2716961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2717e8f887acSAmir Vadai kfree(flow); 2718e8f887acSAmir Vadai } 2719e8f887acSAmir Vadai 2720e8f887acSAmir Vadai void mlx5e_tc_cleanup(struct mlx5e_priv *priv) 2721e8f887acSAmir Vadai { 2722acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 2723e8f887acSAmir Vadai 2724e8f887acSAmir Vadai rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, priv); 2725e8f887acSAmir Vadai 2726acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 2727acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 2728acff797cSMaor Gottlieb tc->t = NULL; 2729e8f887acSAmir Vadai } 2730e8f887acSAmir Vadai } 2731