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; 6138aa51c1SOr Gerlitz u8 match_level; 623f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 633bc4b7bfSOr Gerlitz }; 643bc4b7bfSOr Gerlitz 6565ba8fb7SOr Gerlitz enum { 6665ba8fb7SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = BIT(0), 673bc4b7bfSOr Gerlitz MLX5E_TC_FLOW_NIC = BIT(1), 680b67a38fSHadar Hen Zion MLX5E_TC_FLOW_OFFLOADED = BIT(2), 695c65c564SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(3), 703f6d08d1SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(4), 7165ba8fb7SOr Gerlitz }; 7265ba8fb7SOr Gerlitz 73e8f887acSAmir Vadai struct mlx5e_tc_flow { 74e8f887acSAmir Vadai struct rhash_head node; 75e8f887acSAmir Vadai u64 cookie; 7665ba8fb7SOr Gerlitz u8 flags; 7774491de9SMark Bloch struct mlx5_flow_handle *rule; 7811c9c548SOr Gerlitz struct list_head encap; /* flows sharing the same encap ID */ 7911c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 805c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 813bc4b7bfSOr Gerlitz union { 82ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 833bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 843bc4b7bfSOr Gerlitz }; 85e8f887acSAmir Vadai }; 86e8f887acSAmir Vadai 8717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 883c37745eSOr Gerlitz struct ip_tunnel_info tun_info; 8917091853SOr Gerlitz struct mlx5_flow_spec spec; 90d79b6df6SOr Gerlitz int num_mod_hdr_actions; 91d79b6df6SOr Gerlitz void *mod_hdr_actions; 923c37745eSOr Gerlitz int mirred_ifindex; 9317091853SOr Gerlitz }; 9417091853SOr Gerlitz 95a54e20b4SHadar Hen Zion enum { 96a54e20b4SHadar Hen Zion MLX5_HEADER_TYPE_VXLAN = 0x0, 97a54e20b4SHadar Hen Zion MLX5_HEADER_TYPE_NVGRE = 0x1, 98a54e20b4SHadar Hen Zion }; 99a54e20b4SHadar Hen Zion 100acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 101b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 102e8f887acSAmir Vadai 10377ab67b7SOr Gerlitz struct mlx5e_hairpin { 10477ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 10577ab67b7SOr Gerlitz 10677ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1073f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 10877ab67b7SOr Gerlitz u32 tdn; 10977ab67b7SOr Gerlitz u32 tirn; 1103f6d08d1SOr Gerlitz 1113f6d08d1SOr Gerlitz int num_channels; 1123f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1133f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1143f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 11577ab67b7SOr Gerlitz }; 11677ab67b7SOr Gerlitz 1175c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1185c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1195c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1205c65c564SOr Gerlitz 1215c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1225c65c564SOr Gerlitz struct list_head flows; 1235c65c564SOr Gerlitz 124d8822868SOr Gerlitz u16 peer_vhca_id; 125106be53bSOr Gerlitz u8 prio; 1265c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1275c65c564SOr Gerlitz }; 1285c65c564SOr Gerlitz 12911c9c548SOr Gerlitz struct mod_hdr_key { 13011c9c548SOr Gerlitz int num_actions; 13111c9c548SOr Gerlitz void *actions; 13211c9c548SOr Gerlitz }; 13311c9c548SOr Gerlitz 13411c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 13511c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 13611c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 13711c9c548SOr Gerlitz 13811c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 13911c9c548SOr Gerlitz struct list_head flows; 14011c9c548SOr Gerlitz 14111c9c548SOr Gerlitz struct mod_hdr_key key; 14211c9c548SOr Gerlitz 14311c9c548SOr Gerlitz u32 mod_hdr_id; 14411c9c548SOr Gerlitz }; 14511c9c548SOr Gerlitz 14611c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 14711c9c548SOr Gerlitz 14811c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 14911c9c548SOr Gerlitz { 15011c9c548SOr Gerlitz return jhash(key->actions, 15111c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 15211c9c548SOr Gerlitz } 15311c9c548SOr Gerlitz 15411c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 15511c9c548SOr Gerlitz struct mod_hdr_key *b) 15611c9c548SOr Gerlitz { 15711c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 15811c9c548SOr Gerlitz return 1; 15911c9c548SOr Gerlitz 16011c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 16111c9c548SOr Gerlitz } 16211c9c548SOr Gerlitz 16311c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 16411c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 16511c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 16611c9c548SOr Gerlitz { 16711c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 16811c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 16911c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 17011c9c548SOr Gerlitz struct mod_hdr_key key; 17111c9c548SOr Gerlitz bool found = false; 17211c9c548SOr Gerlitz u32 hash_key; 17311c9c548SOr Gerlitz 17411c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 17511c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 17611c9c548SOr Gerlitz 17711c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 17811c9c548SOr Gerlitz key.num_actions = num_actions; 17911c9c548SOr Gerlitz 18011c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 18111c9c548SOr Gerlitz 18211c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 18311c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 18411c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 18511c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 18611c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 18711c9c548SOr Gerlitz found = true; 18811c9c548SOr Gerlitz break; 18911c9c548SOr Gerlitz } 19011c9c548SOr Gerlitz } 19111c9c548SOr Gerlitz } else { 19211c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 19311c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 19411c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 19511c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 19611c9c548SOr Gerlitz found = true; 19711c9c548SOr Gerlitz break; 19811c9c548SOr Gerlitz } 19911c9c548SOr Gerlitz } 20011c9c548SOr Gerlitz } 20111c9c548SOr Gerlitz 20211c9c548SOr Gerlitz if (found) 20311c9c548SOr Gerlitz goto attach_flow; 20411c9c548SOr Gerlitz 20511c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 20611c9c548SOr Gerlitz if (!mh) 20711c9c548SOr Gerlitz return -ENOMEM; 20811c9c548SOr Gerlitz 20911c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 21011c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 21111c9c548SOr Gerlitz mh->key.num_actions = num_actions; 21211c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 21311c9c548SOr Gerlitz 21411c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 21511c9c548SOr Gerlitz mh->key.num_actions, 21611c9c548SOr Gerlitz mh->key.actions, 21711c9c548SOr Gerlitz &mh->mod_hdr_id); 21811c9c548SOr Gerlitz if (err) 21911c9c548SOr Gerlitz goto out_err; 22011c9c548SOr Gerlitz 22111c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 22211c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 22311c9c548SOr Gerlitz else 22411c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 22511c9c548SOr Gerlitz 22611c9c548SOr Gerlitz attach_flow: 22711c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 22811c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 22911c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 23011c9c548SOr Gerlitz else 23111c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 23211c9c548SOr Gerlitz 23311c9c548SOr Gerlitz return 0; 23411c9c548SOr Gerlitz 23511c9c548SOr Gerlitz out_err: 23611c9c548SOr Gerlitz kfree(mh); 23711c9c548SOr Gerlitz return err; 23811c9c548SOr Gerlitz } 23911c9c548SOr Gerlitz 24011c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 24111c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 24211c9c548SOr Gerlitz { 24311c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 24411c9c548SOr Gerlitz 24511c9c548SOr Gerlitz list_del(&flow->mod_hdr); 24611c9c548SOr Gerlitz 24711c9c548SOr Gerlitz if (list_empty(next)) { 24811c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 24911c9c548SOr Gerlitz 25011c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 25111c9c548SOr Gerlitz 25211c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 25311c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 25411c9c548SOr Gerlitz kfree(mh); 25511c9c548SOr Gerlitz } 25611c9c548SOr Gerlitz } 25711c9c548SOr Gerlitz 25877ab67b7SOr Gerlitz static 25977ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 26077ab67b7SOr Gerlitz { 26177ab67b7SOr Gerlitz struct net_device *netdev; 26277ab67b7SOr Gerlitz struct mlx5e_priv *priv; 26377ab67b7SOr Gerlitz 26477ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 26577ab67b7SOr Gerlitz priv = netdev_priv(netdev); 26677ab67b7SOr Gerlitz return priv->mdev; 26777ab67b7SOr Gerlitz } 26877ab67b7SOr Gerlitz 26977ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 27077ab67b7SOr Gerlitz { 27177ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 27277ab67b7SOr Gerlitz void *tirc; 27377ab67b7SOr Gerlitz int err; 27477ab67b7SOr Gerlitz 27577ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 27677ab67b7SOr Gerlitz if (err) 27777ab67b7SOr Gerlitz goto alloc_tdn_err; 27877ab67b7SOr Gerlitz 27977ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 28077ab67b7SOr Gerlitz 28177ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 282ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 28377ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 28477ab67b7SOr Gerlitz 28577ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 28677ab67b7SOr Gerlitz if (err) 28777ab67b7SOr Gerlitz goto create_tir_err; 28877ab67b7SOr Gerlitz 28977ab67b7SOr Gerlitz return 0; 29077ab67b7SOr Gerlitz 29177ab67b7SOr Gerlitz create_tir_err: 29277ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 29377ab67b7SOr Gerlitz alloc_tdn_err: 29477ab67b7SOr Gerlitz return err; 29577ab67b7SOr Gerlitz } 29677ab67b7SOr Gerlitz 29777ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 29877ab67b7SOr Gerlitz { 29977ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 30077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 30177ab67b7SOr Gerlitz } 30277ab67b7SOr Gerlitz 3033f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3043f6d08d1SOr Gerlitz { 3053f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3063f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3073f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3083f6d08d1SOr Gerlitz 3093f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3103f6d08d1SOr Gerlitz hp->num_channels); 3113f6d08d1SOr Gerlitz 3123f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3133f6d08d1SOr Gerlitz ix = i; 3143f6d08d1SOr Gerlitz if (priv->channels.params.rss_hfunc == ETH_RSS_HASH_XOR) 3153f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3163f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3173f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3183f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3193f6d08d1SOr Gerlitz } 3203f6d08d1SOr Gerlitz } 3213f6d08d1SOr Gerlitz 3223f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3233f6d08d1SOr Gerlitz { 3243f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3253f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3263f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3273f6d08d1SOr Gerlitz void *rqtc; 3283f6d08d1SOr Gerlitz u32 *in; 3293f6d08d1SOr Gerlitz 3303f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3313f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3323f6d08d1SOr Gerlitz if (!in) 3333f6d08d1SOr Gerlitz return -ENOMEM; 3343f6d08d1SOr Gerlitz 3353f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3363f6d08d1SOr Gerlitz 3373f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3383f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3393f6d08d1SOr Gerlitz 3403f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3413f6d08d1SOr Gerlitz 3423f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3433f6d08d1SOr Gerlitz if (!err) 3443f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3453f6d08d1SOr Gerlitz 3463f6d08d1SOr Gerlitz kvfree(in); 3473f6d08d1SOr Gerlitz return err; 3483f6d08d1SOr Gerlitz } 3493f6d08d1SOr Gerlitz 3503f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3513f6d08d1SOr Gerlitz { 3523f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3533f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3543f6d08d1SOr Gerlitz int tt, i, err; 3553f6d08d1SOr Gerlitz void *tirc; 3563f6d08d1SOr Gerlitz 3573f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 3583f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3593f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3603f6d08d1SOr Gerlitz 3613f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 3623f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 3633f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 3643f6d08d1SOr Gerlitz mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, false); 3653f6d08d1SOr Gerlitz 3663f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 3673f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 3683f6d08d1SOr Gerlitz if (err) { 3693f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 3703f6d08d1SOr Gerlitz goto err_destroy_tirs; 3713f6d08d1SOr Gerlitz } 3723f6d08d1SOr Gerlitz } 3733f6d08d1SOr Gerlitz return 0; 3743f6d08d1SOr Gerlitz 3753f6d08d1SOr Gerlitz err_destroy_tirs: 3763f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 3773f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 3783f6d08d1SOr Gerlitz return err; 3793f6d08d1SOr Gerlitz } 3803f6d08d1SOr Gerlitz 3813f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 3823f6d08d1SOr Gerlitz { 3833f6d08d1SOr Gerlitz int tt; 3843f6d08d1SOr Gerlitz 3853f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 3863f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 3873f6d08d1SOr Gerlitz } 3883f6d08d1SOr Gerlitz 3893f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 3903f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 3913f6d08d1SOr Gerlitz { 3923f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 3933f6d08d1SOr Gerlitz int tt; 3943f6d08d1SOr Gerlitz 3953f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 3963f6d08d1SOr Gerlitz 3973f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 3983f6d08d1SOr Gerlitz 3993f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4003f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4013f6d08d1SOr Gerlitz 4023f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4033f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4043f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4053f6d08d1SOr Gerlitz } 4063f6d08d1SOr Gerlitz 4073f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4083f6d08d1SOr Gerlitz { 4093f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4103f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4113f6d08d1SOr Gerlitz int err; 4123f6d08d1SOr Gerlitz 4133f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4143f6d08d1SOr Gerlitz if (err) 4153f6d08d1SOr Gerlitz return err; 4163f6d08d1SOr Gerlitz 4173f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4183f6d08d1SOr Gerlitz if (err) 4193f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4203f6d08d1SOr Gerlitz 4213f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4223f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4233f6d08d1SOr Gerlitz if (err) 4243f6d08d1SOr Gerlitz goto err_create_ttc_table; 4253f6d08d1SOr Gerlitz 4263f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4273f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4283f6d08d1SOr Gerlitz 4293f6d08d1SOr Gerlitz return 0; 4303f6d08d1SOr Gerlitz 4313f6d08d1SOr Gerlitz err_create_ttc_table: 4323f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4333f6d08d1SOr Gerlitz err_create_indirect_tirs: 4343f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4353f6d08d1SOr Gerlitz 4363f6d08d1SOr Gerlitz return err; 4373f6d08d1SOr Gerlitz } 4383f6d08d1SOr Gerlitz 4393f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4403f6d08d1SOr Gerlitz { 4413f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4423f6d08d1SOr Gerlitz 4433f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4443f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4453f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4463f6d08d1SOr Gerlitz } 4473f6d08d1SOr Gerlitz 44877ab67b7SOr Gerlitz static struct mlx5e_hairpin * 44977ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 45077ab67b7SOr Gerlitz int peer_ifindex) 45177ab67b7SOr Gerlitz { 45277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 45377ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 45477ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 45577ab67b7SOr Gerlitz int err; 45677ab67b7SOr Gerlitz 45777ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 45877ab67b7SOr Gerlitz if (!hp) 45977ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 46077ab67b7SOr Gerlitz 46177ab67b7SOr Gerlitz func_mdev = priv->mdev; 46277ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 46377ab67b7SOr Gerlitz 46477ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 46577ab67b7SOr Gerlitz if (IS_ERR(pair)) { 46677ab67b7SOr Gerlitz err = PTR_ERR(pair); 46777ab67b7SOr Gerlitz goto create_pair_err; 46877ab67b7SOr Gerlitz } 46977ab67b7SOr Gerlitz hp->pair = pair; 47077ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 4713f6d08d1SOr Gerlitz hp->func_priv = priv; 4723f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 47377ab67b7SOr Gerlitz 47477ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 47577ab67b7SOr Gerlitz if (err) 47677ab67b7SOr Gerlitz goto create_transport_err; 47777ab67b7SOr Gerlitz 4783f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 4793f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 4803f6d08d1SOr Gerlitz if (err) 4813f6d08d1SOr Gerlitz goto rss_init_err; 4823f6d08d1SOr Gerlitz } 4833f6d08d1SOr Gerlitz 48477ab67b7SOr Gerlitz return hp; 48577ab67b7SOr Gerlitz 4863f6d08d1SOr Gerlitz rss_init_err: 4873f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 48877ab67b7SOr Gerlitz create_transport_err: 48977ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 49077ab67b7SOr Gerlitz create_pair_err: 49177ab67b7SOr Gerlitz kfree(hp); 49277ab67b7SOr Gerlitz return ERR_PTR(err); 49377ab67b7SOr Gerlitz } 49477ab67b7SOr Gerlitz 49577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 49677ab67b7SOr Gerlitz { 4973f6d08d1SOr Gerlitz if (hp->num_channels > 1) 4983f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 49977ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 50077ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 50177ab67b7SOr Gerlitz kvfree(hp); 50277ab67b7SOr Gerlitz } 50377ab67b7SOr Gerlitz 504106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 505106be53bSOr Gerlitz { 506106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 507106be53bSOr Gerlitz } 508106be53bSOr Gerlitz 5095c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 510106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5115c65c564SOr Gerlitz { 5125c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 513106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5145c65c564SOr Gerlitz 5155c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 516106be53bSOr Gerlitz hairpin_hlist, hash_key) { 517106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5185c65c564SOr Gerlitz return hpe; 5195c65c564SOr Gerlitz } 5205c65c564SOr Gerlitz 5215c65c564SOr Gerlitz return NULL; 5225c65c564SOr Gerlitz } 5235c65c564SOr Gerlitz 524106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 525106be53bSOr Gerlitz 526106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 527106be53bSOr Gerlitz struct mlx5_flow_spec *spec, u8 *match_prio) 528106be53bSOr Gerlitz { 529106be53bSOr Gerlitz void *headers_c, *headers_v; 530106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 531106be53bSOr Gerlitz bool vlan_present; 532106be53bSOr Gerlitz 533106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 534106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 535106be53bSOr Gerlitz netdev_warn(priv->netdev, 536106be53bSOr Gerlitz "only PCP trust state supported for hairpin\n"); 537106be53bSOr Gerlitz return -EOPNOTSUPP; 538106be53bSOr Gerlitz } 539106be53bSOr Gerlitz #endif 540106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 541106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 542106be53bSOr Gerlitz 543106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 544106be53bSOr Gerlitz if (vlan_present) { 545106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 546106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 547106be53bSOr Gerlitz } 548106be53bSOr Gerlitz 549106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 550106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 551106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 552106be53bSOr Gerlitz netdev_warn(priv->netdev, 553106be53bSOr Gerlitz "masked priority match not supported for hairpin\n"); 554106be53bSOr Gerlitz return -EOPNOTSUPP; 555106be53bSOr Gerlitz } 556106be53bSOr Gerlitz 557106be53bSOr Gerlitz *match_prio = prio_val; 558106be53bSOr Gerlitz return 0; 559106be53bSOr Gerlitz } 560106be53bSOr Gerlitz 5615c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 5625c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 5635c65c564SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 5645c65c564SOr Gerlitz { 5655c65c564SOr Gerlitz int peer_ifindex = parse_attr->mirred_ifindex; 5665c65c564SOr Gerlitz struct mlx5_hairpin_params params; 567d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 5685c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 5695c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 5703f6d08d1SOr Gerlitz u64 link_speed64; 5713f6d08d1SOr Gerlitz u32 link_speed; 572106be53bSOr Gerlitz u8 match_prio; 573d8822868SOr Gerlitz u16 peer_id; 5745c65c564SOr Gerlitz int err; 5755c65c564SOr Gerlitz 576d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 577d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 5785c65c564SOr Gerlitz netdev_warn(priv->netdev, "hairpin is not supported\n"); 5795c65c564SOr Gerlitz return -EOPNOTSUPP; 5805c65c564SOr Gerlitz } 5815c65c564SOr Gerlitz 582d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 583106be53bSOr Gerlitz err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio); 584106be53bSOr Gerlitz if (err) 585106be53bSOr Gerlitz return err; 586106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 5875c65c564SOr Gerlitz if (hpe) 5885c65c564SOr Gerlitz goto attach_flow; 5895c65c564SOr Gerlitz 5905c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 5915c65c564SOr Gerlitz if (!hpe) 5925c65c564SOr Gerlitz return -ENOMEM; 5935c65c564SOr Gerlitz 5945c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 595d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 596106be53bSOr Gerlitz hpe->prio = match_prio; 5975c65c564SOr Gerlitz 5985c65c564SOr Gerlitz params.log_data_size = 15; 5995c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6005c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6015c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6025c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6035c65c564SOr Gerlitz 604eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 605eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 606eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 607eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 608eb9180f7SOr Gerlitz 609eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6103f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6113f6d08d1SOr Gerlitz mlx5e_get_max_linkspeed(priv->mdev, &link_speed); 6123f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6133f6d08d1SOr Gerlitz link_speed64 = link_speed; 6143f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6153f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6163f6d08d1SOr Gerlitz 6175c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6185c65c564SOr Gerlitz if (IS_ERR(hp)) { 6195c65c564SOr Gerlitz err = PTR_ERR(hp); 6205c65c564SOr Gerlitz goto create_hairpin_err; 6215c65c564SOr Gerlitz } 6225c65c564SOr Gerlitz 623eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 624ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 625eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6265c65c564SOr Gerlitz 6275c65c564SOr Gerlitz hpe->hp = hp; 628106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 629106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6305c65c564SOr Gerlitz 6315c65c564SOr Gerlitz attach_flow: 6323f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6333f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6343f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6353f6d08d1SOr Gerlitz } else { 6365c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6373f6d08d1SOr Gerlitz } 6385c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6393f6d08d1SOr Gerlitz 6405c65c564SOr Gerlitz return 0; 6415c65c564SOr Gerlitz 6425c65c564SOr Gerlitz create_hairpin_err: 6435c65c564SOr Gerlitz kfree(hpe); 6445c65c564SOr Gerlitz return err; 6455c65c564SOr Gerlitz } 6465c65c564SOr Gerlitz 6475c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6485c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6495c65c564SOr Gerlitz { 6505c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6515c65c564SOr Gerlitz 6525c65c564SOr Gerlitz list_del(&flow->hairpin); 6535c65c564SOr Gerlitz 6545c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6555c65c564SOr Gerlitz if (list_empty(next)) { 6565c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6575c65c564SOr Gerlitz 6585c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 6595c65c564SOr Gerlitz 6605c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 6615c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 6625c65c564SOr Gerlitz 6635c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 6645c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 6655c65c564SOr Gerlitz kfree(hpe); 6665c65c564SOr Gerlitz } 6675c65c564SOr Gerlitz } 6685c65c564SOr Gerlitz 66974491de9SMark Bloch static struct mlx5_flow_handle * 67074491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 67117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 672aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 673e8f887acSAmir Vadai { 674aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 675aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 6765c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 67766958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 6783bc4b7bfSOr Gerlitz .action = attr->action, 679a9db0ecfSMatan Barak .has_flow_tag = true, 6803bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 68166958ed9SHadar Hen Zion .encap_id = 0, 68266958ed9SHadar Hen Zion }; 683aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 68474491de9SMark Bloch struct mlx5_flow_handle *rule; 685e8f887acSAmir Vadai bool table_created = false; 6865c65c564SOr Gerlitz int err, dest_ix = 0; 687e8f887acSAmir Vadai 6885c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 6895c65c564SOr Gerlitz err = mlx5e_hairpin_flow_add(priv, flow, parse_attr); 6905c65c564SOr Gerlitz if (err) { 6915c65c564SOr Gerlitz rule = ERR_PTR(err); 6925c65c564SOr Gerlitz goto err_add_hairpin_flow; 6935c65c564SOr Gerlitz } 6943f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 6953f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 6963f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 6973f6d08d1SOr Gerlitz } else { 6985c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 6995c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7003f6d08d1SOr Gerlitz } 7013f6d08d1SOr Gerlitz dest_ix++; 7023f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7035c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7045c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7055c65c564SOr Gerlitz dest_ix++; 7065c65c564SOr Gerlitz } 707aad7e08dSAmir Vadai 7085c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7095c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7105c65c564SOr Gerlitz if (IS_ERR(counter)) { 7115c65c564SOr Gerlitz rule = ERR_CAST(counter); 7125c65c564SOr Gerlitz goto err_fc_create; 7135c65c564SOr Gerlitz } 7145c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 7155c65c564SOr Gerlitz dest[dest_ix].counter = counter; 7165c65c564SOr Gerlitz dest_ix++; 717aad7e08dSAmir Vadai } 718aad7e08dSAmir Vadai 7192f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7203099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 721d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7222f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 7232f4fe4caSOr Gerlitz if (err) { 7242f4fe4caSOr Gerlitz rule = ERR_PTR(err); 7252f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7262f4fe4caSOr Gerlitz } 7272f4fe4caSOr Gerlitz } 7282f4fe4caSOr Gerlitz 729acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 73021b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 73121b9c144SOr Gerlitz u32 max_flow_counter; 73221b9c144SOr Gerlitz 73321b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 73421b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 73521b9c144SOr Gerlitz 73621b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 73721b9c144SOr Gerlitz 73821b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 73921b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 74021b9c144SOr Gerlitz 741acff797cSMaor Gottlieb priv->fs.tc.t = 742acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 743acff797cSMaor Gottlieb MLX5E_TC_PRIO, 74421b9c144SOr Gerlitz tc_tbl_size, 745acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7463f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 747acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 748e8f887acSAmir Vadai netdev_err(priv->netdev, 749e8f887acSAmir Vadai "Failed to create tc offload table\n"); 750aad7e08dSAmir Vadai rule = ERR_CAST(priv->fs.tc.t); 751aad7e08dSAmir Vadai goto err_create_ft; 752e8f887acSAmir Vadai } 753e8f887acSAmir Vadai 754e8f887acSAmir Vadai table_created = true; 755e8f887acSAmir Vadai } 756e8f887acSAmir Vadai 75738aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 75817091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 75938aa51c1SOr Gerlitz 76017091853SOr Gerlitz rule = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 7615c65c564SOr Gerlitz &flow_act, dest, dest_ix); 762e8f887acSAmir Vadai 763aad7e08dSAmir Vadai if (IS_ERR(rule)) 764aad7e08dSAmir Vadai goto err_add_rule; 765aad7e08dSAmir Vadai 766aad7e08dSAmir Vadai return rule; 767aad7e08dSAmir Vadai 768aad7e08dSAmir Vadai err_add_rule: 769aad7e08dSAmir Vadai if (table_created) { 770acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 771acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 772e8f887acSAmir Vadai } 773aad7e08dSAmir Vadai err_create_ft: 7742f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 7753099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 7762f4fe4caSOr Gerlitz err_create_mod_hdr_id: 777aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 7785c65c564SOr Gerlitz err_fc_create: 7795c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 7805c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 7815c65c564SOr Gerlitz err_add_hairpin_flow: 782e8f887acSAmir Vadai return rule; 783e8f887acSAmir Vadai } 784e8f887acSAmir Vadai 785d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 786d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 787d85cdccbSOr Gerlitz { 788513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 789d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 790d85cdccbSOr Gerlitz 791d85cdccbSOr Gerlitz counter = mlx5_flow_rule_counter(flow->rule); 792d85cdccbSOr Gerlitz mlx5_del_flow_rules(flow->rule); 793d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 794d85cdccbSOr Gerlitz 795b3a433deSOr Gerlitz if (!mlx5e_tc_num_filters(priv) && priv->fs.tc.t) { 796d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 797d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 798d85cdccbSOr Gerlitz } 7992f4fe4caSOr Gerlitz 800513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8013099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8025c65c564SOr Gerlitz 8035c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8045c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 805d85cdccbSOr Gerlitz } 806d85cdccbSOr Gerlitz 807aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 808aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow); 809aa0cbbaeSOr Gerlitz 8103c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 8113c37745eSOr Gerlitz struct ip_tunnel_info *tun_info, 8123c37745eSOr Gerlitz struct net_device *mirred_dev, 8133c37745eSOr Gerlitz struct net_device **encap_dev, 8143c37745eSOr Gerlitz struct mlx5e_tc_flow *flow); 8153c37745eSOr Gerlitz 81674491de9SMark Bloch static struct mlx5_flow_handle * 81774491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 81817091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 819aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 820adb4c123SOr Gerlitz { 821adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 822aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 8233c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 8243c37745eSOr Gerlitz struct mlx5_flow_handle *rule = NULL; 8253c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 8263c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 8278b32580dSOr Gerlitz int err; 8288b32580dSOr Gerlitz 8293c37745eSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) { 8303c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 8313c37745eSOr Gerlitz attr->parse_attr->mirred_ifindex); 8323c37745eSOr Gerlitz err = mlx5e_attach_encap(priv, &parse_attr->tun_info, 8333c37745eSOr Gerlitz out_dev, &encap_dev, flow); 8343c37745eSOr Gerlitz if (err) { 8353c37745eSOr Gerlitz rule = ERR_PTR(err); 8363c37745eSOr Gerlitz if (err != -EAGAIN) 8373c37745eSOr Gerlitz goto err_attach_encap; 8383c37745eSOr Gerlitz } 8393c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 8403c37745eSOr Gerlitz rpriv = out_priv->ppriv; 8413c37745eSOr Gerlitz attr->out_rep = rpriv->rep; 8423c37745eSOr Gerlitz } 8433c37745eSOr Gerlitz 8448b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 845aa0cbbaeSOr Gerlitz if (err) { 846aa0cbbaeSOr Gerlitz rule = ERR_PTR(err); 847aa0cbbaeSOr Gerlitz goto err_add_vlan; 848adb4c123SOr Gerlitz } 849adb4c123SOr Gerlitz 850d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 8511a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 852d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 853d7e75a32SOr Gerlitz if (err) { 854d7e75a32SOr Gerlitz rule = ERR_PTR(err); 855d7e75a32SOr Gerlitz goto err_mod_hdr; 856d7e75a32SOr Gerlitz } 857d7e75a32SOr Gerlitz } 858d7e75a32SOr Gerlitz 8593c37745eSOr Gerlitz /* we get here if (1) there's no error (rule being null) or when 8603c37745eSOr Gerlitz * (2) there's an encap action and we're on -EAGAIN (no valid neigh) 8613c37745eSOr Gerlitz */ 8623c37745eSOr Gerlitz if (rule != ERR_PTR(-EAGAIN)) { 863aa0cbbaeSOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, &parse_attr->spec, attr); 864aa0cbbaeSOr Gerlitz if (IS_ERR(rule)) 865aa0cbbaeSOr Gerlitz goto err_add_rule; 8663c37745eSOr Gerlitz } 867aa0cbbaeSOr Gerlitz return rule; 868aa0cbbaeSOr Gerlitz 869aa0cbbaeSOr Gerlitz err_add_rule: 870513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8711a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 872d7e75a32SOr Gerlitz err_mod_hdr: 873aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 874aa0cbbaeSOr Gerlitz err_add_vlan: 875aa0cbbaeSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) 876aa0cbbaeSOr Gerlitz mlx5e_detach_encap(priv, flow); 8773c37745eSOr Gerlitz err_attach_encap: 878aa0cbbaeSOr Gerlitz return rule; 879aa0cbbaeSOr Gerlitz } 880d85cdccbSOr Gerlitz 881d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 882d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 883d85cdccbSOr Gerlitz { 884d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 885d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 886d85cdccbSOr Gerlitz 887232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 888232c0013SHadar Hen Zion flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 889513f8f7fSOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule, attr); 890232c0013SHadar Hen Zion } 891d85cdccbSOr Gerlitz 892513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 893d85cdccbSOr Gerlitz 894513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) { 895d85cdccbSOr Gerlitz mlx5e_detach_encap(priv, flow); 896513f8f7fSOr Gerlitz kvfree(attr->parse_attr); 897232c0013SHadar Hen Zion } 898d7e75a32SOr Gerlitz 899513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9001a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 901d85cdccbSOr Gerlitz } 902d85cdccbSOr Gerlitz 903232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 904232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 905232c0013SHadar Hen Zion { 9063c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 9073c37745eSOr Gerlitz struct mlx5_esw_flow_attr *esw_attr; 908232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 909232c0013SHadar Hen Zion int err; 910232c0013SHadar Hen Zion 911232c0013SHadar Hen Zion err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 912232c0013SHadar Hen Zion e->encap_size, e->encap_header, 913232c0013SHadar Hen Zion &e->encap_id); 914232c0013SHadar Hen Zion if (err) { 915232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 916232c0013SHadar Hen Zion err); 917232c0013SHadar Hen Zion return; 918232c0013SHadar Hen Zion } 919232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 920f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 921232c0013SHadar Hen Zion 922232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 9233c37745eSOr Gerlitz esw_attr = flow->esw_attr; 9243c37745eSOr Gerlitz esw_attr->encap_id = e->encap_id; 9253c37745eSOr Gerlitz flow->rule = mlx5_eswitch_add_offloaded_rule(esw, &esw_attr->parse_attr->spec, esw_attr); 926232c0013SHadar Hen Zion if (IS_ERR(flow->rule)) { 927232c0013SHadar Hen Zion err = PTR_ERR(flow->rule); 928232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 929232c0013SHadar Hen Zion err); 930232c0013SHadar Hen Zion continue; 931232c0013SHadar Hen Zion } 932232c0013SHadar Hen Zion flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 933232c0013SHadar Hen Zion } 934232c0013SHadar Hen Zion } 935232c0013SHadar Hen Zion 936232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 937232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 938232c0013SHadar Hen Zion { 9393c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 940232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 941232c0013SHadar Hen Zion 942232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 943232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 944232c0013SHadar Hen Zion flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 9453c37745eSOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->esw_attr); 946232c0013SHadar Hen Zion } 947232c0013SHadar Hen Zion } 948232c0013SHadar Hen Zion 949232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 950232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 951232c0013SHadar Hen Zion mlx5_encap_dealloc(priv->mdev, e->encap_id); 952232c0013SHadar Hen Zion } 953232c0013SHadar Hen Zion } 954232c0013SHadar Hen Zion 955f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 956f6dfb4c3SHadar Hen Zion { 957f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 958f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 959f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 960f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 961f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 962f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 963f6dfb4c3SHadar Hen Zion bool neigh_used = false; 964f6dfb4c3SHadar Hen Zion struct neighbour *n; 965f6dfb4c3SHadar Hen Zion 966f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 967f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 968f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 969f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 970423c9db2SOr Gerlitz tbl = &nd_tbl; 971f6dfb4c3SHadar Hen Zion #endif 972f6dfb4c3SHadar Hen Zion else 973f6dfb4c3SHadar Hen Zion return; 974f6dfb4c3SHadar Hen Zion 975f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 976f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 977f6dfb4c3SHadar Hen Zion continue; 978f6dfb4c3SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 979f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 980f6dfb4c3SHadar Hen Zion counter = mlx5_flow_rule_counter(flow->rule); 981f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 982f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 983f6dfb4c3SHadar Hen Zion neigh_used = true; 984f6dfb4c3SHadar Hen Zion break; 985f6dfb4c3SHadar Hen Zion } 986f6dfb4c3SHadar Hen Zion } 987f6dfb4c3SHadar Hen Zion } 988e36d4810SRoi Dayan if (neigh_used) 989e36d4810SRoi Dayan break; 990f6dfb4c3SHadar Hen Zion } 991f6dfb4c3SHadar Hen Zion 992f6dfb4c3SHadar Hen Zion if (neigh_used) { 993f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 994f6dfb4c3SHadar Hen Zion 995f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 996f6dfb4c3SHadar Hen Zion * dst ip pair 997f6dfb4c3SHadar Hen Zion */ 998f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 999f6dfb4c3SHadar Hen Zion if (!n) { 1000f6dfb4c3SHadar Hen Zion WARN(1, "The neighbour already freed\n"); 1001f6dfb4c3SHadar Hen Zion return; 1002f6dfb4c3SHadar Hen Zion } 1003f6dfb4c3SHadar Hen Zion 1004f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1005f6dfb4c3SHadar Hen Zion neigh_release(n); 1006f6dfb4c3SHadar Hen Zion } 1007f6dfb4c3SHadar Hen Zion } 1008f6dfb4c3SHadar Hen Zion 1009d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1010d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1011d85cdccbSOr Gerlitz { 10125067b602SRoi Dayan struct list_head *next = flow->encap.next; 10135067b602SRoi Dayan 10145067b602SRoi Dayan list_del(&flow->encap); 10155067b602SRoi Dayan if (list_empty(next)) { 1016c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 10175067b602SRoi Dayan 1018c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1019232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1020232c0013SHadar Hen Zion 1021232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 10225067b602SRoi Dayan mlx5_encap_dealloc(priv->mdev, e->encap_id); 1023232c0013SHadar Hen Zion 1024cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1025232c0013SHadar Hen Zion kfree(e->encap_header); 10265067b602SRoi Dayan kfree(e); 10275067b602SRoi Dayan } 10285067b602SRoi Dayan } 10295067b602SRoi Dayan 1030e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1031961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1032e8f887acSAmir Vadai { 1033d85cdccbSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1034d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 1035d85cdccbSOr Gerlitz else 1036d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1037e8f887acSAmir Vadai } 1038e8f887acSAmir Vadai 1039bbd00f7eSHadar Hen Zion static void parse_vxlan_attr(struct mlx5_flow_spec *spec, 1040bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1041bbd00f7eSHadar Hen Zion { 1042bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1043bbd00f7eSHadar Hen Zion outer_headers); 1044bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1045bbd00f7eSHadar Hen Zion outer_headers); 1046bbd00f7eSHadar Hen Zion void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1047bbd00f7eSHadar Hen Zion misc_parameters); 1048bbd00f7eSHadar Hen Zion void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1049bbd00f7eSHadar Hen Zion misc_parameters); 1050bbd00f7eSHadar Hen Zion 1051bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_protocol); 1052bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP); 1053bbd00f7eSHadar Hen Zion 1054bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID)) { 1055bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *key = 1056bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1057bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1058bbd00f7eSHadar Hen Zion f->key); 1059bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *mask = 1060bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1061bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1062bbd00f7eSHadar Hen Zion f->mask); 1063bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_c, vxlan_vni, 1064bbd00f7eSHadar Hen Zion be32_to_cpu(mask->keyid)); 1065bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_v, vxlan_vni, 1066bbd00f7eSHadar Hen Zion be32_to_cpu(key->keyid)); 1067bbd00f7eSHadar Hen Zion } 1068bbd00f7eSHadar Hen Zion } 1069bbd00f7eSHadar Hen Zion 1070bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1071bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1072bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1073bbd00f7eSHadar Hen Zion { 1074bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1075bbd00f7eSHadar Hen Zion outer_headers); 1076bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1077bbd00f7eSHadar Hen Zion outer_headers); 1078bbd00f7eSHadar Hen Zion 10792e72eb43SOr Gerlitz struct flow_dissector_key_control *enc_control = 10802e72eb43SOr Gerlitz skb_flow_dissector_target(f->dissector, 10812e72eb43SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_CONTROL, 10822e72eb43SOr Gerlitz f->key); 10832e72eb43SOr Gerlitz 1084bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) { 1085bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *key = 1086bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1087bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1088bbd00f7eSHadar Hen Zion f->key); 1089bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *mask = 1090bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1091bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1092bbd00f7eSHadar Hen Zion f->mask); 10931ad9a00aSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1094a4b97ab4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 10955ed99fb4SMark Bloch struct net_device *up_dev = uplink_rpriv->netdev; 10961ad9a00aSPaul Blakey struct mlx5e_priv *up_priv = netdev_priv(up_dev); 1097bbd00f7eSHadar Hen Zion 1098bbd00f7eSHadar Hen Zion /* Full udp dst port must be given */ 1099bbd00f7eSHadar Hen Zion if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) 11002fcd82e9SOr Gerlitz goto vxlan_match_offload_err; 1101bbd00f7eSHadar Hen Zion 11021ad9a00aSPaul Blakey if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->dst)) && 1103bbd00f7eSHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) 1104bbd00f7eSHadar Hen Zion parse_vxlan_attr(spec, f); 11052fcd82e9SOr Gerlitz else { 11062fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 11072fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->dst)); 1108bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 11092fcd82e9SOr Gerlitz } 1110bbd00f7eSHadar Hen Zion 1111bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1112bbd00f7eSHadar Hen Zion udp_dport, ntohs(mask->dst)); 1113bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1114bbd00f7eSHadar Hen Zion udp_dport, ntohs(key->dst)); 1115bbd00f7eSHadar Hen Zion 1116cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1117cd377663SOr Gerlitz udp_sport, ntohs(mask->src)); 1118cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1119cd377663SOr Gerlitz udp_sport, ntohs(key->src)); 1120bbd00f7eSHadar Hen Zion } else { /* udp dst port must be given */ 11212fcd82e9SOr Gerlitz vxlan_match_offload_err: 11222fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 11232fcd82e9SOr Gerlitz "IP tunnel decap offload supported only for vxlan, must set UDP dport\n"); 1124bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1125bbd00f7eSHadar Hen Zion } 1126bbd00f7eSHadar Hen Zion 11272e72eb43SOr Gerlitz if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1128bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *key = 1129bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1130bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1131bbd00f7eSHadar Hen Zion f->key); 1132bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *mask = 1133bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1134bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1135bbd00f7eSHadar Hen Zion f->mask); 1136bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1137bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1138bbd00f7eSHadar Hen Zion ntohl(mask->src)); 1139bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1140bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1141bbd00f7eSHadar Hen Zion ntohl(key->src)); 1142bbd00f7eSHadar Hen Zion 1143bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1144bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1145bbd00f7eSHadar Hen Zion ntohl(mask->dst)); 1146bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1147bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1148bbd00f7eSHadar Hen Zion ntohl(key->dst)); 1149bbd00f7eSHadar Hen Zion 1150bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1151bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 115219f44401SOr Gerlitz } else if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 115319f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *key = 115419f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 115519f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 115619f44401SOr Gerlitz f->key); 115719f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *mask = 115819f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 115919f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 116019f44401SOr Gerlitz f->mask); 116119f44401SOr Gerlitz 116219f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 116319f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 116419f44401SOr Gerlitz &mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 116519f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 116619f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 116719f44401SOr Gerlitz &key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 116819f44401SOr Gerlitz 116919f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 117019f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 117119f44401SOr Gerlitz &mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 117219f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 117319f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 117419f44401SOr Gerlitz &key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 117519f44401SOr Gerlitz 117619f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 117719f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 11782e72eb43SOr Gerlitz } 1179bbd00f7eSHadar Hen Zion 1180bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1181bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1182bbd00f7eSHadar Hen Zion */ 1183bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1184bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1185bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1186bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1187bbd00f7eSHadar Hen Zion 1188bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1189bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1190bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1191bbd00f7eSHadar Hen Zion 1192bbd00f7eSHadar Hen Zion return 0; 1193bbd00f7eSHadar Hen Zion } 1194bbd00f7eSHadar Hen Zion 1195de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1196de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1197de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 1198d708f902SOr Gerlitz u8 *match_level) 1199e3a2b7edSAmir Vadai { 1200c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1201c5bb1730SMaor Gottlieb outer_headers); 1202c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1203c5bb1730SMaor Gottlieb outer_headers); 1204e3a2b7edSAmir Vadai u16 addr_type = 0; 1205e3a2b7edSAmir Vadai u8 ip_proto = 0; 1206e3a2b7edSAmir Vadai 1207d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1208de0af0bfSRoi Dayan 1209e3a2b7edSAmir Vadai if (f->dissector->used_keys & 1210e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1211e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1212e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1213095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1214e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1215e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1216bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1217bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1218bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1219bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1220bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1221e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1222fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1223fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP))) { 1224e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 1225e3a2b7edSAmir Vadai f->dissector->used_keys); 1226e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1227e3a2b7edSAmir Vadai } 1228e3a2b7edSAmir Vadai 1229bbd00f7eSHadar Hen Zion if ((dissector_uses_key(f->dissector, 1230bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 1231bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID) || 1232bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 1233bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 1234bbd00f7eSHadar Hen Zion struct flow_dissector_key_control *key = 1235bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1236bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_CONTROL, 1237bbd00f7eSHadar Hen Zion f->key); 1238bbd00f7eSHadar Hen Zion switch (key->addr_type) { 1239bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 124019f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 1241bbd00f7eSHadar Hen Zion if (parse_tunnel_attr(priv, spec, f)) 1242bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1243bbd00f7eSHadar Hen Zion break; 1244bbd00f7eSHadar Hen Zion default: 1245bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1246bbd00f7eSHadar Hen Zion } 1247bbd00f7eSHadar Hen Zion 1248bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1249bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1250bbd00f7eSHadar Hen Zion */ 1251bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1252bbd00f7eSHadar Hen Zion inner_headers); 1253bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1254bbd00f7eSHadar Hen Zion inner_headers); 1255bbd00f7eSHadar Hen Zion } 1256bbd00f7eSHadar Hen Zion 1257e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 1258e3a2b7edSAmir Vadai struct flow_dissector_key_eth_addrs *key = 1259e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1260e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_ETH_ADDRS, 1261e3a2b7edSAmir Vadai f->key); 1262e3a2b7edSAmir Vadai struct flow_dissector_key_eth_addrs *mask = 1263e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1264e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_ETH_ADDRS, 1265e3a2b7edSAmir Vadai f->mask); 1266e3a2b7edSAmir Vadai 1267e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1268e3a2b7edSAmir Vadai dmac_47_16), 1269e3a2b7edSAmir Vadai mask->dst); 1270e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1271e3a2b7edSAmir Vadai dmac_47_16), 1272e3a2b7edSAmir Vadai key->dst); 1273e3a2b7edSAmir Vadai 1274e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1275e3a2b7edSAmir Vadai smac_47_16), 1276e3a2b7edSAmir Vadai mask->src); 1277e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1278e3a2b7edSAmir Vadai smac_47_16), 1279e3a2b7edSAmir Vadai key->src); 128054782900SOr Gerlitz 128154782900SOr Gerlitz if (!is_zero_ether_addr(mask->src) || !is_zero_ether_addr(mask->dst)) 1282d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1283e3a2b7edSAmir Vadai } 1284e3a2b7edSAmir Vadai 1285095b6cfdSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) { 1286095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *key = 1287095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1288095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1289095b6cfdSOr Gerlitz f->key); 1290095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *mask = 1291095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1292095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1293095b6cfdSOr Gerlitz f->mask); 1294358d79a4SOr Gerlitz if (mask->vlan_id || mask->vlan_priority) { 129510543365SMohamad Haj Yahia MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 129610543365SMohamad Haj Yahia MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1); 1297095b6cfdSOr Gerlitz 1298095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id); 1299095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id); 1300358d79a4SOr Gerlitz 1301358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority); 1302358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority); 130354782900SOr Gerlitz 1304d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1305095b6cfdSOr Gerlitz } 1306095b6cfdSOr Gerlitz } 1307095b6cfdSOr Gerlitz 130854782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 130954782900SOr Gerlitz struct flow_dissector_key_basic *key = 131054782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 131154782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 131254782900SOr Gerlitz f->key); 131354782900SOr Gerlitz struct flow_dissector_key_basic *mask = 131454782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 131554782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 131654782900SOr Gerlitz f->mask); 131754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 131854782900SOr Gerlitz ntohs(mask->n_proto)); 131954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 132054782900SOr Gerlitz ntohs(key->n_proto)); 132154782900SOr Gerlitz 132254782900SOr Gerlitz if (mask->n_proto) 1323d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 132454782900SOr Gerlitz } 132554782900SOr Gerlitz 132654782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) { 132754782900SOr Gerlitz struct flow_dissector_key_control *key = 132854782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 132954782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 133054782900SOr Gerlitz f->key); 133154782900SOr Gerlitz 133254782900SOr Gerlitz struct flow_dissector_key_control *mask = 133354782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 133454782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 133554782900SOr Gerlitz f->mask); 133654782900SOr Gerlitz addr_type = key->addr_type; 133754782900SOr Gerlitz 133854782900SOr Gerlitz /* the HW doesn't support frag first/later */ 133954782900SOr Gerlitz if (mask->flags & FLOW_DIS_FIRST_FRAG) 134054782900SOr Gerlitz return -EOPNOTSUPP; 134154782900SOr Gerlitz 134254782900SOr Gerlitz if (mask->flags & FLOW_DIS_IS_FRAGMENT) { 134354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 134454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 134554782900SOr Gerlitz key->flags & FLOW_DIS_IS_FRAGMENT); 134654782900SOr Gerlitz 134754782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 134854782900SOr Gerlitz if (!(key->flags & FLOW_DIS_IS_FRAGMENT)) 1349d708f902SOr Gerlitz *match_level = MLX5_INLINE_MODE_L2; 135054782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 135154782900SOr Gerlitz else 1352d708f902SOr Gerlitz *match_level = MLX5_INLINE_MODE_IP; 135354782900SOr Gerlitz } 135454782900SOr Gerlitz } 135554782900SOr Gerlitz 135654782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 135754782900SOr Gerlitz struct flow_dissector_key_basic *key = 135854782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 135954782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 136054782900SOr Gerlitz f->key); 136154782900SOr Gerlitz struct flow_dissector_key_basic *mask = 136254782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 136354782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 136454782900SOr Gerlitz f->mask); 136554782900SOr Gerlitz ip_proto = key->ip_proto; 136654782900SOr Gerlitz 136754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 136854782900SOr Gerlitz mask->ip_proto); 136954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 137054782900SOr Gerlitz key->ip_proto); 137154782900SOr Gerlitz 137254782900SOr Gerlitz if (mask->ip_proto) 1373d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 137454782900SOr Gerlitz } 137554782900SOr Gerlitz 1376e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1377e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *key = 1378e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1379e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1380e3a2b7edSAmir Vadai f->key); 1381e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *mask = 1382e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1383e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1384e3a2b7edSAmir Vadai f->mask); 1385e3a2b7edSAmir Vadai 1386e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1387e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1388e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1389e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1390e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1391e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1392e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1393e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1394e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1395e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1396e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1397e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1398de0af0bfSRoi Dayan 1399de0af0bfSRoi Dayan if (mask->src || mask->dst) 1400d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1401e3a2b7edSAmir Vadai } 1402e3a2b7edSAmir Vadai 1403e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 1404e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *key = 1405e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1406e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1407e3a2b7edSAmir Vadai f->key); 1408e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *mask = 1409e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1410e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1411e3a2b7edSAmir Vadai f->mask); 1412e3a2b7edSAmir Vadai 1413e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1414e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1415e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1416e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1417e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1418e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1419e3a2b7edSAmir Vadai 1420e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1421e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1422e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1423e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1424e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1425e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1426de0af0bfSRoi Dayan 1427de0af0bfSRoi Dayan if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY || 1428de0af0bfSRoi Dayan ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY) 1429d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1430e3a2b7edSAmir Vadai } 1431e3a2b7edSAmir Vadai 14321f97a526SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_IP)) { 14331f97a526SOr Gerlitz struct flow_dissector_key_ip *key = 14341f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 14351f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 14361f97a526SOr Gerlitz f->key); 14371f97a526SOr Gerlitz struct flow_dissector_key_ip *mask = 14381f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 14391f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 14401f97a526SOr Gerlitz f->mask); 14411f97a526SOr Gerlitz 14421f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 14431f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 14441f97a526SOr Gerlitz 14451f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 14461f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 14471f97a526SOr Gerlitz 1448a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1449a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 14501f97a526SOr Gerlitz 1451a8ade55fSOr Gerlitz if (mask->ttl && 1452a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1453a8ade55fSOr Gerlitz ft_field_support.outer_ipv4_ttl)) 14541f97a526SOr Gerlitz return -EOPNOTSUPP; 1455a8ade55fSOr Gerlitz 1456a8ade55fSOr Gerlitz if (mask->tos || mask->ttl) 1457d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 14581f97a526SOr Gerlitz } 14591f97a526SOr Gerlitz 146054782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 146154782900SOr Gerlitz 1462e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) { 1463e3a2b7edSAmir Vadai struct flow_dissector_key_ports *key = 1464e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1465e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1466e3a2b7edSAmir Vadai f->key); 1467e3a2b7edSAmir Vadai struct flow_dissector_key_ports *mask = 1468e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1469e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1470e3a2b7edSAmir Vadai f->mask); 1471e3a2b7edSAmir Vadai switch (ip_proto) { 1472e3a2b7edSAmir Vadai case IPPROTO_TCP: 1473e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1474e3a2b7edSAmir Vadai tcp_sport, ntohs(mask->src)); 1475e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1476e3a2b7edSAmir Vadai tcp_sport, ntohs(key->src)); 1477e3a2b7edSAmir Vadai 1478e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1479e3a2b7edSAmir Vadai tcp_dport, ntohs(mask->dst)); 1480e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1481e3a2b7edSAmir Vadai tcp_dport, ntohs(key->dst)); 1482e3a2b7edSAmir Vadai break; 1483e3a2b7edSAmir Vadai 1484e3a2b7edSAmir Vadai case IPPROTO_UDP: 1485e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1486e3a2b7edSAmir Vadai udp_sport, ntohs(mask->src)); 1487e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1488e3a2b7edSAmir Vadai udp_sport, ntohs(key->src)); 1489e3a2b7edSAmir Vadai 1490e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1491e3a2b7edSAmir Vadai udp_dport, ntohs(mask->dst)); 1492e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1493e3a2b7edSAmir Vadai udp_dport, ntohs(key->dst)); 1494e3a2b7edSAmir Vadai break; 1495e3a2b7edSAmir Vadai default: 1496e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1497e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1498e3a2b7edSAmir Vadai return -EINVAL; 1499e3a2b7edSAmir Vadai } 1500de0af0bfSRoi Dayan 1501de0af0bfSRoi Dayan if (mask->src || mask->dst) 1502d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1503e3a2b7edSAmir Vadai } 1504e3a2b7edSAmir Vadai 1505e77834ecSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) { 1506e77834ecSOr Gerlitz struct flow_dissector_key_tcp *key = 1507e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1508e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1509e77834ecSOr Gerlitz f->key); 1510e77834ecSOr Gerlitz struct flow_dissector_key_tcp *mask = 1511e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1512e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1513e77834ecSOr Gerlitz f->mask); 1514e77834ecSOr Gerlitz 1515e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 1516e77834ecSOr Gerlitz ntohs(mask->flags)); 1517e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 1518e77834ecSOr Gerlitz ntohs(key->flags)); 1519e77834ecSOr Gerlitz 1520e77834ecSOr Gerlitz if (mask->flags) 1521d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1522e77834ecSOr Gerlitz } 1523e77834ecSOr Gerlitz 1524e3a2b7edSAmir Vadai return 0; 1525e3a2b7edSAmir Vadai } 1526e3a2b7edSAmir Vadai 1527de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 152865ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1529de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1530de0af0bfSRoi Dayan struct tc_cls_flower_offload *f) 1531de0af0bfSRoi Dayan { 1532de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1533de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 15341d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 15351d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1536d708f902SOr Gerlitz u8 match_level; 1537de0af0bfSRoi Dayan int err; 1538de0af0bfSRoi Dayan 1539d708f902SOr Gerlitz err = __parse_cls_flower(priv, spec, f, &match_level); 1540de0af0bfSRoi Dayan 15411d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 15421d447a39SSaeed Mahameed rep = rpriv->rep; 15431d447a39SSaeed Mahameed if (rep->vport != FDB_UPLINK_VPORT && 15441d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1545d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1546de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1547de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1548d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1549de0af0bfSRoi Dayan return -EOPNOTSUPP; 1550de0af0bfSRoi Dayan } 1551de0af0bfSRoi Dayan } 1552de0af0bfSRoi Dayan 155338aa51c1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 155438aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 155538aa51c1SOr Gerlitz else 155638aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 155738aa51c1SOr Gerlitz 1558de0af0bfSRoi Dayan return err; 1559de0af0bfSRoi Dayan } 1560de0af0bfSRoi Dayan 1561d79b6df6SOr Gerlitz struct pedit_headers { 1562d79b6df6SOr Gerlitz struct ethhdr eth; 1563d79b6df6SOr Gerlitz struct iphdr ip4; 1564d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1565d79b6df6SOr Gerlitz struct tcphdr tcp; 1566d79b6df6SOr Gerlitz struct udphdr udp; 1567d79b6df6SOr Gerlitz }; 1568d79b6df6SOr Gerlitz 1569d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 1570d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 1571d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 1572d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 1573d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 1574d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1575d79b6df6SOr Gerlitz }; 1576d79b6df6SOr Gerlitz 1577d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1578d79b6df6SOr Gerlitz 1579d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1580d79b6df6SOr Gerlitz struct pedit_headers *masks, 1581d79b6df6SOr Gerlitz struct pedit_headers *vals) 1582d79b6df6SOr Gerlitz { 1583d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1584d79b6df6SOr Gerlitz 1585d79b6df6SOr Gerlitz if (hdr_type >= __PEDIT_HDR_TYPE_MAX) 1586d79b6df6SOr Gerlitz goto out_err; 1587d79b6df6SOr Gerlitz 1588d79b6df6SOr Gerlitz curr_pmask = (u32 *)(pedit_header(masks, hdr_type) + offset); 1589d79b6df6SOr Gerlitz curr_pval = (u32 *)(pedit_header(vals, hdr_type) + offset); 1590d79b6df6SOr Gerlitz 1591d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1592d79b6df6SOr Gerlitz goto out_err; 1593d79b6df6SOr Gerlitz 1594d79b6df6SOr Gerlitz *curr_pmask |= mask; 1595d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1596d79b6df6SOr Gerlitz 1597d79b6df6SOr Gerlitz return 0; 1598d79b6df6SOr Gerlitz 1599d79b6df6SOr Gerlitz out_err: 1600d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1601d79b6df6SOr Gerlitz } 1602d79b6df6SOr Gerlitz 1603d79b6df6SOr Gerlitz struct mlx5_fields { 1604d79b6df6SOr Gerlitz u8 field; 1605d79b6df6SOr Gerlitz u8 size; 1606d79b6df6SOr Gerlitz u32 offset; 1607d79b6df6SOr Gerlitz }; 1608d79b6df6SOr Gerlitz 1609a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1610a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1611a8e4f0c4SOr Gerlitz 1612d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1613a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1614a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1615a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1616a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1617a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 1618d79b6df6SOr Gerlitz 1619a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1620a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1621a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1622d79b6df6SOr Gerlitz 1623a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1624a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1625a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1626a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1627a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1628a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1629a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1630a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 16310c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1632d79b6df6SOr Gerlitz 1633a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1634a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1635a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1636d79b6df6SOr Gerlitz 1637a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1638a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1639d79b6df6SOr Gerlitz }; 1640d79b6df6SOr Gerlitz 1641d79b6df6SOr Gerlitz /* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at 1642d79b6df6SOr Gerlitz * max from the SW pedit action. On success, it says how many HW actions were 1643d79b6df6SOr Gerlitz * actually parsed. 1644d79b6df6SOr Gerlitz */ 1645d79b6df6SOr Gerlitz static int offload_pedit_fields(struct pedit_headers *masks, 1646d79b6df6SOr Gerlitz struct pedit_headers *vals, 1647d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1648d79b6df6SOr Gerlitz { 1649d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 16502b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1651d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1652d79b6df6SOr Gerlitz struct mlx5_fields *f; 1653d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1654e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1655d79b6df6SOr Gerlitz unsigned long mask; 16562b64bebaSOr Gerlitz __be32 mask_be32; 16572b64bebaSOr Gerlitz __be16 mask_be16; 1658d79b6df6SOr Gerlitz void *action; 1659d79b6df6SOr Gerlitz 1660d79b6df6SOr Gerlitz set_masks = &masks[TCA_PEDIT_KEY_EX_CMD_SET]; 1661d79b6df6SOr Gerlitz add_masks = &masks[TCA_PEDIT_KEY_EX_CMD_ADD]; 1662d79b6df6SOr Gerlitz set_vals = &vals[TCA_PEDIT_KEY_EX_CMD_SET]; 1663d79b6df6SOr Gerlitz add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD]; 1664d79b6df6SOr Gerlitz 1665d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1666d79b6df6SOr Gerlitz action = parse_attr->mod_hdr_actions; 1667d79b6df6SOr Gerlitz max_actions = parse_attr->num_mod_hdr_actions; 1668d79b6df6SOr Gerlitz nactions = 0; 1669d79b6df6SOr Gerlitz 1670d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1671d79b6df6SOr Gerlitz f = &fields[i]; 1672d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1673e3ca4e05SOr Gerlitz s_mask = 0; 1674e3ca4e05SOr Gerlitz a_mask = 0; 1675d79b6df6SOr Gerlitz 1676d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1677d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1678d79b6df6SOr Gerlitz 1679d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1680d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1681d79b6df6SOr Gerlitz 1682d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1683d79b6df6SOr Gerlitz continue; 1684d79b6df6SOr Gerlitz 1685d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1686d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1687d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1688d79b6df6SOr Gerlitz } 1689d79b6df6SOr Gerlitz 1690d79b6df6SOr Gerlitz if (nactions == max_actions) { 1691d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1692d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1693d79b6df6SOr Gerlitz } 1694d79b6df6SOr Gerlitz 1695d79b6df6SOr Gerlitz if (s_mask) { 1696d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1697d79b6df6SOr Gerlitz mask = s_mask; 1698d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1699d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1700d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1701d79b6df6SOr Gerlitz } else { 1702d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1703d79b6df6SOr Gerlitz mask = a_mask; 1704d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1705d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1706d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1707d79b6df6SOr Gerlitz } 1708d79b6df6SOr Gerlitz 1709d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1710e3ca4e05SOr Gerlitz 17112b64bebaSOr Gerlitz if (field_bsize == 32) { 17122b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 17132b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 17142b64bebaSOr Gerlitz } else if (field_bsize == 16) { 17152b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 17162b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 17172b64bebaSOr Gerlitz } 17182b64bebaSOr Gerlitz 1719d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 17202b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1721d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 17222b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 17232b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 1724d79b6df6SOr Gerlitz mask); 1725d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1726d79b6df6SOr Gerlitz } 1727d79b6df6SOr Gerlitz 1728d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 1729d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 1730d79b6df6SOr Gerlitz 1731d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 17322b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 1733d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 17342b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 1735d79b6df6SOr Gerlitz } 1736d79b6df6SOr Gerlitz 1737d79b6df6SOr Gerlitz if (field_bsize == 32) 17382b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 1739d79b6df6SOr Gerlitz else if (field_bsize == 16) 17402b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 1741d79b6df6SOr Gerlitz else if (field_bsize == 8) 17422b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 1743d79b6df6SOr Gerlitz 1744d79b6df6SOr Gerlitz action += action_size; 1745d79b6df6SOr Gerlitz nactions++; 1746d79b6df6SOr Gerlitz } 1747d79b6df6SOr Gerlitz 1748d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 1749d79b6df6SOr Gerlitz return 0; 1750d79b6df6SOr Gerlitz } 1751d79b6df6SOr Gerlitz 1752d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 1753d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1754d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1755d79b6df6SOr Gerlitz { 1756d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 1757d79b6df6SOr Gerlitz 1758d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1759d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1760d79b6df6SOr Gerlitz 1761d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 1762d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 1763d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 1764d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 1765d79b6df6SOr Gerlitz 1766d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 1767d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 1768d79b6df6SOr Gerlitz 1769d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 1770d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 1771d79b6df6SOr Gerlitz return -ENOMEM; 1772d79b6df6SOr Gerlitz 1773d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = max_actions; 1774d79b6df6SOr Gerlitz return 0; 1775d79b6df6SOr Gerlitz } 1776d79b6df6SOr Gerlitz 1777d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 1778d79b6df6SOr Gerlitz 1779d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 1780d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1781d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1782d79b6df6SOr Gerlitz { 1783d79b6df6SOr Gerlitz struct pedit_headers masks[__PEDIT_CMD_MAX], vals[__PEDIT_CMD_MAX], *cmd_masks; 1784d79b6df6SOr Gerlitz int nkeys, i, err = -EOPNOTSUPP; 1785d79b6df6SOr Gerlitz u32 mask, val, offset; 1786d79b6df6SOr Gerlitz u8 cmd, htype; 1787d79b6df6SOr Gerlitz 1788d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1789d79b6df6SOr Gerlitz 1790d79b6df6SOr Gerlitz memset(masks, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1791d79b6df6SOr Gerlitz memset(vals, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1792d79b6df6SOr Gerlitz 1793d79b6df6SOr Gerlitz for (i = 0; i < nkeys; i++) { 1794d79b6df6SOr Gerlitz htype = tcf_pedit_htype(a, i); 1795d79b6df6SOr Gerlitz cmd = tcf_pedit_cmd(a, i); 1796d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 1797d79b6df6SOr Gerlitz 1798d79b6df6SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK) { 1799b3a433deSOr Gerlitz netdev_warn(priv->netdev, "legacy pedit isn't offloaded\n"); 1800d79b6df6SOr Gerlitz goto out_err; 1801d79b6df6SOr Gerlitz } 1802d79b6df6SOr Gerlitz 1803d79b6df6SOr Gerlitz if (cmd != TCA_PEDIT_KEY_EX_CMD_SET && cmd != TCA_PEDIT_KEY_EX_CMD_ADD) { 1804b3a433deSOr Gerlitz netdev_warn(priv->netdev, "pedit cmd %d isn't offloaded\n", cmd); 1805d79b6df6SOr Gerlitz goto out_err; 1806d79b6df6SOr Gerlitz } 1807d79b6df6SOr Gerlitz 1808d79b6df6SOr Gerlitz mask = tcf_pedit_mask(a, i); 1809d79b6df6SOr Gerlitz val = tcf_pedit_val(a, i); 1810d79b6df6SOr Gerlitz offset = tcf_pedit_offset(a, i); 1811d79b6df6SOr Gerlitz 1812d79b6df6SOr Gerlitz err = set_pedit_val(htype, ~mask, val, offset, &masks[cmd], &vals[cmd]); 1813d79b6df6SOr Gerlitz if (err) 1814d79b6df6SOr Gerlitz goto out_err; 1815d79b6df6SOr Gerlitz } 1816d79b6df6SOr Gerlitz 1817d79b6df6SOr Gerlitz err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); 1818d79b6df6SOr Gerlitz if (err) 1819d79b6df6SOr Gerlitz goto out_err; 1820d79b6df6SOr Gerlitz 1821d79b6df6SOr Gerlitz err = offload_pedit_fields(masks, vals, parse_attr); 1822d79b6df6SOr Gerlitz if (err < 0) 1823d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 1824d79b6df6SOr Gerlitz 1825d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 1826d79b6df6SOr Gerlitz cmd_masks = &masks[cmd]; 1827d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 1828b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 1829d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 1830d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 1831d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 1832d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 1833d79b6df6SOr Gerlitz } 1834d79b6df6SOr Gerlitz } 1835d79b6df6SOr Gerlitz 1836d79b6df6SOr Gerlitz return 0; 1837d79b6df6SOr Gerlitz 1838d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 1839d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1840d79b6df6SOr Gerlitz out_err: 1841d79b6df6SOr Gerlitz return err; 1842d79b6df6SOr Gerlitz } 1843d79b6df6SOr Gerlitz 184426c02749SOr Gerlitz static bool csum_offload_supported(struct mlx5e_priv *priv, u32 action, u32 update_flags) 184526c02749SOr Gerlitz { 184626c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 184726c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 184826c02749SOr Gerlitz 184926c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 185026c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 185126c02749SOr Gerlitz netdev_warn(priv->netdev, 185226c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 185326c02749SOr Gerlitz return false; 185426c02749SOr Gerlitz } 185526c02749SOr Gerlitz 185626c02749SOr Gerlitz if (update_flags & ~prot_flags) { 185726c02749SOr Gerlitz netdev_warn(priv->netdev, 185826c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 185926c02749SOr Gerlitz update_flags); 186026c02749SOr Gerlitz return false; 186126c02749SOr Gerlitz } 186226c02749SOr Gerlitz 186326c02749SOr Gerlitz return true; 186426c02749SOr Gerlitz } 186526c02749SOr Gerlitz 1866bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 1867bdd66ac0SOr Gerlitz struct tcf_exts *exts) 1868bdd66ac0SOr Gerlitz { 1869bdd66ac0SOr Gerlitz const struct tc_action *a; 1870bdd66ac0SOr Gerlitz bool modify_ip_header; 1871bdd66ac0SOr Gerlitz LIST_HEAD(actions); 1872bdd66ac0SOr Gerlitz u8 htype, ip_proto; 1873bdd66ac0SOr Gerlitz void *headers_v; 1874bdd66ac0SOr Gerlitz u16 ethertype; 1875bdd66ac0SOr Gerlitz int nkeys, i; 1876bdd66ac0SOr Gerlitz 1877bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1878bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1879bdd66ac0SOr Gerlitz 1880bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 1881bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 1882bdd66ac0SOr Gerlitz goto out_ok; 1883bdd66ac0SOr Gerlitz 1884bdd66ac0SOr Gerlitz modify_ip_header = false; 1885bdd66ac0SOr Gerlitz tcf_exts_to_list(exts, &actions); 1886bdd66ac0SOr Gerlitz list_for_each_entry(a, &actions, list) { 1887bdd66ac0SOr Gerlitz if (!is_tcf_pedit(a)) 1888bdd66ac0SOr Gerlitz continue; 1889bdd66ac0SOr Gerlitz 1890bdd66ac0SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1891bdd66ac0SOr Gerlitz for (i = 0; i < nkeys; i++) { 1892bdd66ac0SOr Gerlitz htype = tcf_pedit_htype(a, i); 1893bdd66ac0SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP4 || 1894bdd66ac0SOr Gerlitz htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP6) { 1895bdd66ac0SOr Gerlitz modify_ip_header = true; 1896bdd66ac0SOr Gerlitz break; 1897bdd66ac0SOr Gerlitz } 1898bdd66ac0SOr Gerlitz } 1899bdd66ac0SOr Gerlitz } 1900bdd66ac0SOr Gerlitz 1901bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 19021ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 19031ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 1904bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 1905bdd66ac0SOr Gerlitz return false; 1906bdd66ac0SOr Gerlitz } 1907bdd66ac0SOr Gerlitz 1908bdd66ac0SOr Gerlitz out_ok: 1909bdd66ac0SOr Gerlitz return true; 1910bdd66ac0SOr Gerlitz } 1911bdd66ac0SOr Gerlitz 1912bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 1913bdd66ac0SOr Gerlitz struct tcf_exts *exts, 1914bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1915bdd66ac0SOr Gerlitz struct mlx5e_tc_flow *flow) 1916bdd66ac0SOr Gerlitz { 1917bdd66ac0SOr Gerlitz u32 actions; 1918bdd66ac0SOr Gerlitz 1919bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1920bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 1921bdd66ac0SOr Gerlitz else 1922bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 1923bdd66ac0SOr Gerlitz 1924bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 1925bdd66ac0SOr Gerlitz return modify_header_match_supported(&parse_attr->spec, exts); 1926bdd66ac0SOr Gerlitz 1927bdd66ac0SOr Gerlitz return true; 1928bdd66ac0SOr Gerlitz } 1929bdd66ac0SOr Gerlitz 19305c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 19315c65c564SOr Gerlitz { 19325c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 19335c65c564SOr Gerlitz u16 func_id, peer_id; 19345c65c564SOr Gerlitz 19355c65c564SOr Gerlitz fmdev = priv->mdev; 19365c65c564SOr Gerlitz pmdev = peer_priv->mdev; 19375c65c564SOr Gerlitz 19385c65c564SOr Gerlitz func_id = (u16)((fmdev->pdev->bus->number << 8) | PCI_SLOT(fmdev->pdev->devfn)); 19395c65c564SOr Gerlitz peer_id = (u16)((pmdev->pdev->bus->number << 8) | PCI_SLOT(pmdev->pdev->devfn)); 19405c65c564SOr Gerlitz 19415c65c564SOr Gerlitz return (func_id == peer_id); 19425c65c564SOr Gerlitz } 19435c65c564SOr Gerlitz 19445c40348cSOr Gerlitz static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 1945aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1946aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 1947e3a2b7edSAmir Vadai { 1948aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1949e3a2b7edSAmir Vadai const struct tc_action *a; 195022dc13c8SWANG Cong LIST_HEAD(actions); 19511cab1cd7SOr Gerlitz u32 action = 0; 19522f4fe4caSOr Gerlitz int err; 1953e3a2b7edSAmir Vadai 19543bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 1955e3a2b7edSAmir Vadai return -EINVAL; 1956e3a2b7edSAmir Vadai 19573bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 1958e3a2b7edSAmir Vadai 195922dc13c8SWANG Cong tcf_exts_to_list(exts, &actions); 196022dc13c8SWANG Cong list_for_each_entry(a, &actions, list) { 1961e3a2b7edSAmir Vadai if (is_tcf_gact_shot(a)) { 19621cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 1963aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 1964aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 19651cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 1966e3a2b7edSAmir Vadai continue; 1967e3a2b7edSAmir Vadai } 1968e3a2b7edSAmir Vadai 19692f4fe4caSOr Gerlitz if (is_tcf_pedit(a)) { 19702f4fe4caSOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_KERNEL, 19712f4fe4caSOr Gerlitz parse_attr); 19722f4fe4caSOr Gerlitz if (err) 19732f4fe4caSOr Gerlitz return err; 19742f4fe4caSOr Gerlitz 19751cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 19762f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 19772f4fe4caSOr Gerlitz continue; 19782f4fe4caSOr Gerlitz } 19792f4fe4caSOr Gerlitz 198026c02749SOr Gerlitz if (is_tcf_csum(a)) { 19811cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 198226c02749SOr Gerlitz tcf_csum_update_flags(a))) 198326c02749SOr Gerlitz continue; 198426c02749SOr Gerlitz 198526c02749SOr Gerlitz return -EOPNOTSUPP; 198626c02749SOr Gerlitz } 198726c02749SOr Gerlitz 19885c65c564SOr Gerlitz if (is_tcf_mirred_egress_redirect(a)) { 19895c65c564SOr Gerlitz struct net_device *peer_dev = tcf_mirred_dev(a); 19905c65c564SOr Gerlitz 19915c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 19925c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 19935c65c564SOr Gerlitz parse_attr->mirred_ifindex = peer_dev->ifindex; 19945c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 19951cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 19965c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 19975c65c564SOr Gerlitz } else { 19985c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 19995c65c564SOr Gerlitz peer_dev->name); 20005c65c564SOr Gerlitz return -EINVAL; 20015c65c564SOr Gerlitz } 20025c65c564SOr Gerlitz continue; 20035c65c564SOr Gerlitz } 20045c65c564SOr Gerlitz 2005e3a2b7edSAmir Vadai if (is_tcf_skbedit_mark(a)) { 2006e3a2b7edSAmir Vadai u32 mark = tcf_skbedit_mark(a); 2007e3a2b7edSAmir Vadai 2008e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2009e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Bad flow mark - only 16 bit is supported: 0x%x\n", 2010e3a2b7edSAmir Vadai mark); 2011e3a2b7edSAmir Vadai return -EINVAL; 2012e3a2b7edSAmir Vadai } 2013e3a2b7edSAmir Vadai 20143bc4b7bfSOr Gerlitz attr->flow_tag = mark; 20151cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2016e3a2b7edSAmir Vadai continue; 2017e3a2b7edSAmir Vadai } 2018e3a2b7edSAmir Vadai 2019e3a2b7edSAmir Vadai return -EINVAL; 2020e3a2b7edSAmir Vadai } 2021e3a2b7edSAmir Vadai 20221cab1cd7SOr Gerlitz attr->action = action; 2023bdd66ac0SOr Gerlitz if (!actions_match_supported(priv, exts, parse_attr, flow)) 2024bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2025bdd66ac0SOr Gerlitz 2026e3a2b7edSAmir Vadai return 0; 2027e3a2b7edSAmir Vadai } 2028e3a2b7edSAmir Vadai 202976f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 203076f7444dSOr Gerlitz struct ip_tunnel_key *b) 2031a54e20b4SHadar Hen Zion { 2032a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2033a54e20b4SHadar Hen Zion } 2034a54e20b4SHadar Hen Zion 203576f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2036a54e20b4SHadar Hen Zion { 203776f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2038a54e20b4SHadar Hen Zion } 2039a54e20b4SHadar Hen Zion 2040a54e20b4SHadar Hen Zion static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, 2041a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 2042a54e20b4SHadar Hen Zion struct net_device **out_dev, 2043a54e20b4SHadar Hen Zion struct flowi4 *fl4, 2044a54e20b4SHadar Hen Zion struct neighbour **out_n, 2045a54e20b4SHadar Hen Zion int *out_ttl) 2046a54e20b4SHadar Hen Zion { 20473e621b19SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20485ed99fb4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv; 2049a54e20b4SHadar Hen Zion struct rtable *rt; 2050a54e20b4SHadar Hen Zion struct neighbour *n = NULL; 2051a54e20b4SHadar Hen Zion 2052a54e20b4SHadar Hen Zion #if IS_ENABLED(CONFIG_INET) 2053abeffce9SArnd Bergmann int ret; 2054abeffce9SArnd Bergmann 2055a54e20b4SHadar Hen Zion rt = ip_route_output_key(dev_net(mirred_dev), fl4); 2056abeffce9SArnd Bergmann ret = PTR_ERR_OR_ZERO(rt); 2057abeffce9SArnd Bergmann if (ret) 2058abeffce9SArnd Bergmann return ret; 2059a54e20b4SHadar Hen Zion #else 2060a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2061a54e20b4SHadar Hen Zion #endif 2062a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 20633e621b19SHadar Hen Zion /* if the egress device isn't on the same HW e-switch, we use the uplink */ 20643e621b19SHadar Hen Zion if (!switchdev_port_same_parent_id(priv->netdev, rt->dst.dev)) 20655ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 20663e621b19SHadar Hen Zion else 20673e621b19SHadar Hen Zion *out_dev = rt->dst.dev; 2068a54e20b4SHadar Hen Zion 206975c33da8SOr Gerlitz *out_ttl = ip4_dst_hoplimit(&rt->dst); 2070a54e20b4SHadar Hen Zion n = dst_neigh_lookup(&rt->dst, &fl4->daddr); 2071a54e20b4SHadar Hen Zion ip_rt_put(rt); 2072a54e20b4SHadar Hen Zion if (!n) 2073a54e20b4SHadar Hen Zion return -ENOMEM; 2074a54e20b4SHadar Hen Zion 2075a54e20b4SHadar Hen Zion *out_n = n; 2076a54e20b4SHadar Hen Zion return 0; 2077a54e20b4SHadar Hen Zion } 2078a54e20b4SHadar Hen Zion 2079ce99f6b9SOr Gerlitz static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, 2080ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 2081ce99f6b9SOr Gerlitz struct net_device **out_dev, 2082ce99f6b9SOr Gerlitz struct flowi6 *fl6, 2083ce99f6b9SOr Gerlitz struct neighbour **out_n, 2084ce99f6b9SOr Gerlitz int *out_ttl) 2085ce99f6b9SOr Gerlitz { 2086ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2087ce99f6b9SOr Gerlitz struct dst_entry *dst; 2088ce99f6b9SOr Gerlitz 2089ce99f6b9SOr Gerlitz #if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6) 209074bd5d56SArnd Bergmann struct mlx5e_rep_priv *uplink_rpriv; 2091ce99f6b9SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2092ce99f6b9SOr Gerlitz int ret; 2093ce99f6b9SOr Gerlitz 209408820528SPaul Blakey ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst, 209508820528SPaul Blakey fl6); 209608820528SPaul Blakey if (ret < 0) 2097ce99f6b9SOr Gerlitz return ret; 2098ce99f6b9SOr Gerlitz 2099ce99f6b9SOr Gerlitz *out_ttl = ip6_dst_hoplimit(dst); 2100ce99f6b9SOr Gerlitz 2101a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2102ce99f6b9SOr Gerlitz /* if the egress device isn't on the same HW e-switch, we use the uplink */ 2103ce99f6b9SOr Gerlitz if (!switchdev_port_same_parent_id(priv->netdev, dst->dev)) 21045ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 2105ce99f6b9SOr Gerlitz else 2106ce99f6b9SOr Gerlitz *out_dev = dst->dev; 2107ce99f6b9SOr Gerlitz #else 2108ce99f6b9SOr Gerlitz return -EOPNOTSUPP; 2109ce99f6b9SOr Gerlitz #endif 2110ce99f6b9SOr Gerlitz 2111ce99f6b9SOr Gerlitz n = dst_neigh_lookup(dst, &fl6->daddr); 2112ce99f6b9SOr Gerlitz dst_release(dst); 2113ce99f6b9SOr Gerlitz if (!n) 2114ce99f6b9SOr Gerlitz return -ENOMEM; 2115ce99f6b9SOr Gerlitz 2116ce99f6b9SOr Gerlitz *out_n = n; 2117ce99f6b9SOr Gerlitz return 0; 2118ce99f6b9SOr Gerlitz } 2119ce99f6b9SOr Gerlitz 212032f3671fSOr Gerlitz static void gen_vxlan_header_ipv4(struct net_device *out_dev, 212132f3671fSOr Gerlitz char buf[], int encap_size, 2122a54e20b4SHadar Hen Zion unsigned char h_dest[ETH_ALEN], 2123a54e20b4SHadar Hen Zion int ttl, 2124a54e20b4SHadar Hen Zion __be32 daddr, 2125a54e20b4SHadar Hen Zion __be32 saddr, 2126a54e20b4SHadar Hen Zion __be16 udp_dst_port, 2127a54e20b4SHadar Hen Zion __be32 vx_vni) 2128a54e20b4SHadar Hen Zion { 2129a54e20b4SHadar Hen Zion struct ethhdr *eth = (struct ethhdr *)buf; 2130a54e20b4SHadar Hen Zion struct iphdr *ip = (struct iphdr *)((char *)eth + sizeof(struct ethhdr)); 2131a54e20b4SHadar Hen Zion struct udphdr *udp = (struct udphdr *)((char *)ip + sizeof(struct iphdr)); 2132a54e20b4SHadar Hen Zion struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2133a54e20b4SHadar Hen Zion 2134a54e20b4SHadar Hen Zion memset(buf, 0, encap_size); 2135a54e20b4SHadar Hen Zion 2136a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_dest, h_dest); 2137a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_source, out_dev->dev_addr); 2138a54e20b4SHadar Hen Zion eth->h_proto = htons(ETH_P_IP); 2139a54e20b4SHadar Hen Zion 2140a54e20b4SHadar Hen Zion ip->daddr = daddr; 2141a54e20b4SHadar Hen Zion ip->saddr = saddr; 2142a54e20b4SHadar Hen Zion 2143a54e20b4SHadar Hen Zion ip->ttl = ttl; 2144a54e20b4SHadar Hen Zion ip->protocol = IPPROTO_UDP; 2145a54e20b4SHadar Hen Zion ip->version = 0x4; 2146a54e20b4SHadar Hen Zion ip->ihl = 0x5; 2147a54e20b4SHadar Hen Zion 2148a54e20b4SHadar Hen Zion udp->dest = udp_dst_port; 2149a54e20b4SHadar Hen Zion vxh->vx_flags = VXLAN_HF_VNI; 2150a54e20b4SHadar Hen Zion vxh->vx_vni = vxlan_vni_field(vx_vni); 2151a54e20b4SHadar Hen Zion } 2152a54e20b4SHadar Hen Zion 2153225aabafSOr Gerlitz static void gen_vxlan_header_ipv6(struct net_device *out_dev, 2154225aabafSOr Gerlitz char buf[], int encap_size, 2155ce99f6b9SOr Gerlitz unsigned char h_dest[ETH_ALEN], 2156ce99f6b9SOr Gerlitz int ttl, 2157ce99f6b9SOr Gerlitz struct in6_addr *daddr, 2158ce99f6b9SOr Gerlitz struct in6_addr *saddr, 2159ce99f6b9SOr Gerlitz __be16 udp_dst_port, 2160ce99f6b9SOr Gerlitz __be32 vx_vni) 2161ce99f6b9SOr Gerlitz { 2162ce99f6b9SOr Gerlitz struct ethhdr *eth = (struct ethhdr *)buf; 2163ce99f6b9SOr Gerlitz struct ipv6hdr *ip6h = (struct ipv6hdr *)((char *)eth + sizeof(struct ethhdr)); 2164ce99f6b9SOr Gerlitz struct udphdr *udp = (struct udphdr *)((char *)ip6h + sizeof(struct ipv6hdr)); 2165ce99f6b9SOr Gerlitz struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2166ce99f6b9SOr Gerlitz 2167ce99f6b9SOr Gerlitz memset(buf, 0, encap_size); 2168ce99f6b9SOr Gerlitz 2169ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_dest, h_dest); 2170ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_source, out_dev->dev_addr); 2171ce99f6b9SOr Gerlitz eth->h_proto = htons(ETH_P_IPV6); 2172ce99f6b9SOr Gerlitz 2173ce99f6b9SOr Gerlitz ip6_flow_hdr(ip6h, 0, 0); 2174ce99f6b9SOr Gerlitz /* the HW fills up ipv6 payload len */ 2175ce99f6b9SOr Gerlitz ip6h->nexthdr = IPPROTO_UDP; 2176ce99f6b9SOr Gerlitz ip6h->hop_limit = ttl; 2177ce99f6b9SOr Gerlitz ip6h->daddr = *daddr; 2178ce99f6b9SOr Gerlitz ip6h->saddr = *saddr; 2179ce99f6b9SOr Gerlitz 2180ce99f6b9SOr Gerlitz udp->dest = udp_dst_port; 2181ce99f6b9SOr Gerlitz vxh->vx_flags = VXLAN_HF_VNI; 2182ce99f6b9SOr Gerlitz vxh->vx_vni = vxlan_vni_field(vx_vni); 2183ce99f6b9SOr Gerlitz } 2184ce99f6b9SOr Gerlitz 2185a54e20b4SHadar Hen Zion static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, 2186a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 21871a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2188a54e20b4SHadar Hen Zion { 2189a54e20b4SHadar Hen Zion int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 219032f3671fSOr Gerlitz int ipv4_encap_size = ETH_HLEN + sizeof(struct iphdr) + VXLAN_HLEN; 219176f7444dSOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 21921a8552bdSHadar Hen Zion struct net_device *out_dev; 2193a42485ebSOr Gerlitz struct neighbour *n = NULL; 2194a54e20b4SHadar Hen Zion struct flowi4 fl4 = {}; 2195a54e20b4SHadar Hen Zion char *encap_header; 219632f3671fSOr Gerlitz int ttl, err; 2197033354d5SHadar Hen Zion u8 nud_state; 2198a54e20b4SHadar Hen Zion 219932f3671fSOr Gerlitz if (max_encap_size < ipv4_encap_size) { 220032f3671fSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 220132f3671fSOr Gerlitz ipv4_encap_size, max_encap_size); 220232f3671fSOr Gerlitz return -EOPNOTSUPP; 220332f3671fSOr Gerlitz } 220432f3671fSOr Gerlitz 220532f3671fSOr Gerlitz encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL); 2206a54e20b4SHadar Hen Zion if (!encap_header) 2207a54e20b4SHadar Hen Zion return -ENOMEM; 2208a54e20b4SHadar Hen Zion 2209a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 2210a54e20b4SHadar Hen Zion case MLX5_HEADER_TYPE_VXLAN: 2211a54e20b4SHadar Hen Zion fl4.flowi4_proto = IPPROTO_UDP; 221276f7444dSOr Gerlitz fl4.fl4_dport = tun_key->tp_dst; 2213a54e20b4SHadar Hen Zion break; 2214a54e20b4SHadar Hen Zion default: 2215a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2216ace74321SPaul Blakey goto free_encap; 2217a54e20b4SHadar Hen Zion } 22189a941117SOr Gerlitz fl4.flowi4_tos = tun_key->tos; 221976f7444dSOr Gerlitz fl4.daddr = tun_key->u.ipv4.dst; 22209a941117SOr Gerlitz fl4.saddr = tun_key->u.ipv4.src; 2221a54e20b4SHadar Hen Zion 22221a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv4(priv, mirred_dev, &out_dev, 22239a941117SOr Gerlitz &fl4, &n, &ttl); 2224a54e20b4SHadar Hen Zion if (err) 2225ace74321SPaul Blakey goto free_encap; 2226a54e20b4SHadar Hen Zion 2227232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2228232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2229232c0013SHadar Hen Zion */ 2230232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2231f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2232232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2233232c0013SHadar Hen Zion e->out_dev = out_dev; 2234232c0013SHadar Hen Zion 2235232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2236232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2237232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2238232c0013SHadar Hen Zion * in the hash. 2239232c0013SHadar Hen Zion */ 2240232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2241232c0013SHadar Hen Zion if (err) 2242ace74321SPaul Blakey goto free_encap; 2243232c0013SHadar Hen Zion 2244033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2245033354d5SHadar Hen Zion nud_state = n->nud_state; 2246033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2247033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2248033354d5SHadar Hen Zion 2249a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 2250a54e20b4SHadar Hen Zion case MLX5_HEADER_TYPE_VXLAN: 22511a8552bdSHadar Hen Zion gen_vxlan_header_ipv4(out_dev, encap_header, 225232f3671fSOr Gerlitz ipv4_encap_size, e->h_dest, ttl, 22539a941117SOr Gerlitz fl4.daddr, 22549a941117SOr Gerlitz fl4.saddr, tun_key->tp_dst, 225576f7444dSOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2256a54e20b4SHadar Hen Zion break; 2257a54e20b4SHadar Hen Zion default: 2258a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2259232c0013SHadar Hen Zion goto destroy_neigh_entry; 2260232c0013SHadar Hen Zion } 2261232c0013SHadar Hen Zion e->encap_size = ipv4_encap_size; 2262232c0013SHadar Hen Zion e->encap_header = encap_header; 2263232c0013SHadar Hen Zion 2264232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2265232c0013SHadar Hen Zion neigh_event_send(n, NULL); 226627902f08SWei Yongjun err = -EAGAIN; 226727902f08SWei Yongjun goto out; 2268a54e20b4SHadar Hen Zion } 2269a54e20b4SHadar Hen Zion 2270a54e20b4SHadar Hen Zion err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 227132f3671fSOr Gerlitz ipv4_encap_size, encap_header, &e->encap_id); 2272232c0013SHadar Hen Zion if (err) 2273232c0013SHadar Hen Zion goto destroy_neigh_entry; 2274232c0013SHadar Hen Zion 2275232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2276f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2277a42485ebSOr Gerlitz neigh_release(n); 2278232c0013SHadar Hen Zion return err; 2279232c0013SHadar Hen Zion 2280232c0013SHadar Hen Zion destroy_neigh_entry: 2281232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2282ace74321SPaul Blakey free_encap: 2283a54e20b4SHadar Hen Zion kfree(encap_header); 2284ace74321SPaul Blakey out: 2285232c0013SHadar Hen Zion if (n) 2286232c0013SHadar Hen Zion neigh_release(n); 2287a54e20b4SHadar Hen Zion return err; 2288a54e20b4SHadar Hen Zion } 2289a54e20b4SHadar Hen Zion 2290ce99f6b9SOr Gerlitz static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv, 2291ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 22921a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2293ce99f6b9SOr Gerlitz { 2294ce99f6b9SOr Gerlitz int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 2295225aabafSOr Gerlitz int ipv6_encap_size = ETH_HLEN + sizeof(struct ipv6hdr) + VXLAN_HLEN; 2296ce99f6b9SOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 22971a8552bdSHadar Hen Zion struct net_device *out_dev; 2298ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2299ce99f6b9SOr Gerlitz struct flowi6 fl6 = {}; 2300ce99f6b9SOr Gerlitz char *encap_header; 2301225aabafSOr Gerlitz int err, ttl = 0; 2302033354d5SHadar Hen Zion u8 nud_state; 2303ce99f6b9SOr Gerlitz 2304225aabafSOr Gerlitz if (max_encap_size < ipv6_encap_size) { 2305225aabafSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 2306225aabafSOr Gerlitz ipv6_encap_size, max_encap_size); 2307225aabafSOr Gerlitz return -EOPNOTSUPP; 2308225aabafSOr Gerlitz } 2309225aabafSOr Gerlitz 2310225aabafSOr Gerlitz encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL); 2311ce99f6b9SOr Gerlitz if (!encap_header) 2312ce99f6b9SOr Gerlitz return -ENOMEM; 2313ce99f6b9SOr Gerlitz 2314ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 2315ce99f6b9SOr Gerlitz case MLX5_HEADER_TYPE_VXLAN: 2316ce99f6b9SOr Gerlitz fl6.flowi6_proto = IPPROTO_UDP; 2317ce99f6b9SOr Gerlitz fl6.fl6_dport = tun_key->tp_dst; 2318ce99f6b9SOr Gerlitz break; 2319ce99f6b9SOr Gerlitz default: 2320ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2321ace74321SPaul Blakey goto free_encap; 2322ce99f6b9SOr Gerlitz } 2323ce99f6b9SOr Gerlitz 2324ce99f6b9SOr Gerlitz fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label); 2325ce99f6b9SOr Gerlitz fl6.daddr = tun_key->u.ipv6.dst; 2326ce99f6b9SOr Gerlitz fl6.saddr = tun_key->u.ipv6.src; 2327ce99f6b9SOr Gerlitz 23281a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv6(priv, mirred_dev, &out_dev, 2329ce99f6b9SOr Gerlitz &fl6, &n, &ttl); 2330ce99f6b9SOr Gerlitz if (err) 2331ace74321SPaul Blakey goto free_encap; 2332ce99f6b9SOr Gerlitz 2333232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2334232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2335232c0013SHadar Hen Zion */ 2336232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2337f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2338232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2339232c0013SHadar Hen Zion e->out_dev = out_dev; 2340232c0013SHadar Hen Zion 2341232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2342232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2343232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2344232c0013SHadar Hen Zion * in the hash. 2345232c0013SHadar Hen Zion */ 2346232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2347232c0013SHadar Hen Zion if (err) 2348ace74321SPaul Blakey goto free_encap; 2349232c0013SHadar Hen Zion 2350033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2351033354d5SHadar Hen Zion nud_state = n->nud_state; 2352033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2353033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2354033354d5SHadar Hen Zion 2355ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 2356ce99f6b9SOr Gerlitz case MLX5_HEADER_TYPE_VXLAN: 23571a8552bdSHadar Hen Zion gen_vxlan_header_ipv6(out_dev, encap_header, 2358225aabafSOr Gerlitz ipv6_encap_size, e->h_dest, ttl, 2359ce99f6b9SOr Gerlitz &fl6.daddr, 2360ce99f6b9SOr Gerlitz &fl6.saddr, tun_key->tp_dst, 2361ce99f6b9SOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2362ce99f6b9SOr Gerlitz break; 2363ce99f6b9SOr Gerlitz default: 2364ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2365232c0013SHadar Hen Zion goto destroy_neigh_entry; 2366232c0013SHadar Hen Zion } 2367232c0013SHadar Hen Zion 2368232c0013SHadar Hen Zion e->encap_size = ipv6_encap_size; 2369232c0013SHadar Hen Zion e->encap_header = encap_header; 2370232c0013SHadar Hen Zion 2371232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2372232c0013SHadar Hen Zion neigh_event_send(n, NULL); 237327902f08SWei Yongjun err = -EAGAIN; 237427902f08SWei Yongjun goto out; 2375ce99f6b9SOr Gerlitz } 2376ce99f6b9SOr Gerlitz 2377ce99f6b9SOr Gerlitz err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 2378225aabafSOr Gerlitz ipv6_encap_size, encap_header, &e->encap_id); 2379232c0013SHadar Hen Zion if (err) 2380232c0013SHadar Hen Zion goto destroy_neigh_entry; 2381232c0013SHadar Hen Zion 2382232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2383f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2384ce99f6b9SOr Gerlitz neigh_release(n); 2385232c0013SHadar Hen Zion return err; 2386232c0013SHadar Hen Zion 2387232c0013SHadar Hen Zion destroy_neigh_entry: 2388232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2389ace74321SPaul Blakey free_encap: 2390ce99f6b9SOr Gerlitz kfree(encap_header); 2391ace74321SPaul Blakey out: 2392232c0013SHadar Hen Zion if (n) 2393232c0013SHadar Hen Zion neigh_release(n); 2394ce99f6b9SOr Gerlitz return err; 2395ce99f6b9SOr Gerlitz } 2396ce99f6b9SOr Gerlitz 2397a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2398a54e20b4SHadar Hen Zion struct ip_tunnel_info *tun_info, 2399a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 240045247bf2SOr Gerlitz struct net_device **encap_dev, 240145247bf2SOr Gerlitz struct mlx5e_tc_flow *flow) 240203a9d11eSOr Gerlitz { 2403a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2404a4b97ab4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, 2405a4b97ab4SMark Bloch REP_ETH); 24065ed99fb4SMark Bloch struct net_device *up_dev = uplink_rpriv->netdev; 2407a54e20b4SHadar Hen Zion unsigned short family = ip_tunnel_info_af(tun_info); 240845247bf2SOr Gerlitz struct mlx5e_priv *up_priv = netdev_priv(up_dev); 240945247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2410a54e20b4SHadar Hen Zion struct ip_tunnel_key *key = &tun_info->key; 2411c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 241245247bf2SOr Gerlitz int tunnel_type, err = 0; 2413a54e20b4SHadar Hen Zion uintptr_t hash_key; 2414a54e20b4SHadar Hen Zion bool found = false; 2415a54e20b4SHadar Hen Zion 24162fcd82e9SOr Gerlitz /* udp dst port must be set */ 2417a54e20b4SHadar Hen Zion if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst))) 24182fcd82e9SOr Gerlitz goto vxlan_encap_offload_err; 2419a54e20b4SHadar Hen Zion 2420cd377663SOr Gerlitz /* setting udp src port isn't supported */ 24212fcd82e9SOr Gerlitz if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) { 24222fcd82e9SOr Gerlitz vxlan_encap_offload_err: 24232fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 24242fcd82e9SOr Gerlitz "must set udp dst port and not set udp src port\n"); 2425cd377663SOr Gerlitz return -EOPNOTSUPP; 24262fcd82e9SOr Gerlitz } 2427cd377663SOr Gerlitz 24281ad9a00aSPaul Blakey if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->tp_dst)) && 2429a54e20b4SHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { 2430a54e20b4SHadar Hen Zion tunnel_type = MLX5_HEADER_TYPE_VXLAN; 2431a54e20b4SHadar Hen Zion } else { 24322fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 24332fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->tp_dst)); 2434a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2435a54e20b4SHadar Hen Zion } 2436a54e20b4SHadar Hen Zion 243776f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2438a54e20b4SHadar Hen Zion 2439a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2440a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 244176f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2442a54e20b4SHadar Hen Zion found = true; 2443a54e20b4SHadar Hen Zion break; 2444a54e20b4SHadar Hen Zion } 2445a54e20b4SHadar Hen Zion } 2446a54e20b4SHadar Hen Zion 2447b2812089SVlad Buslov /* must verify if encap is valid or not */ 244845247bf2SOr Gerlitz if (found) 244945247bf2SOr Gerlitz goto attach_flow; 2450a54e20b4SHadar Hen Zion 2451a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2452a54e20b4SHadar Hen Zion if (!e) 2453a54e20b4SHadar Hen Zion return -ENOMEM; 2454a54e20b4SHadar Hen Zion 245576f7444dSOr Gerlitz e->tun_info = *tun_info; 2456a54e20b4SHadar Hen Zion e->tunnel_type = tunnel_type; 2457a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2458a54e20b4SHadar Hen Zion 2459ce99f6b9SOr Gerlitz if (family == AF_INET) 24601a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv4(priv, mirred_dev, e); 2461ce99f6b9SOr Gerlitz else if (family == AF_INET6) 24621a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv6(priv, mirred_dev, e); 2463ce99f6b9SOr Gerlitz 2464232c0013SHadar Hen Zion if (err && err != -EAGAIN) 2465a54e20b4SHadar Hen Zion goto out_err; 2466a54e20b4SHadar Hen Zion 2467a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2468a54e20b4SHadar Hen Zion 246945247bf2SOr Gerlitz attach_flow: 247045247bf2SOr Gerlitz list_add(&flow->encap, &e->flows); 247145247bf2SOr Gerlitz *encap_dev = e->out_dev; 2472232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 247345247bf2SOr Gerlitz attr->encap_id = e->encap_id; 2474b2812089SVlad Buslov else 2475b2812089SVlad Buslov err = -EAGAIN; 247645247bf2SOr Gerlitz 2477232c0013SHadar Hen Zion return err; 2478a54e20b4SHadar Hen Zion 2479a54e20b4SHadar Hen Zion out_err: 2480a54e20b4SHadar Hen Zion kfree(e); 2481a54e20b4SHadar Hen Zion return err; 2482a54e20b4SHadar Hen Zion } 2483a54e20b4SHadar Hen Zion 2484a54e20b4SHadar Hen Zion static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2485d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2486a54e20b4SHadar Hen Zion struct mlx5e_tc_flow *flow) 2487a54e20b4SHadar Hen Zion { 2488ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 24891d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 2490a54e20b4SHadar Hen Zion struct ip_tunnel_info *info = NULL; 249103a9d11eSOr Gerlitz const struct tc_action *a; 249222dc13c8SWANG Cong LIST_HEAD(actions); 2493a54e20b4SHadar Hen Zion bool encap = false; 24941cab1cd7SOr Gerlitz u32 action = 0; 249503a9d11eSOr Gerlitz 24963bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 249703a9d11eSOr Gerlitz return -EINVAL; 249803a9d11eSOr Gerlitz 24991d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 250003a9d11eSOr Gerlitz 250122dc13c8SWANG Cong tcf_exts_to_list(exts, &actions); 250222dc13c8SWANG Cong list_for_each_entry(a, &actions, list) { 250303a9d11eSOr Gerlitz if (is_tcf_gact_shot(a)) { 25041cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 250503a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 250603a9d11eSOr Gerlitz continue; 250703a9d11eSOr Gerlitz } 250803a9d11eSOr Gerlitz 2509d7e75a32SOr Gerlitz if (is_tcf_pedit(a)) { 251031c8eba5SOr Gerlitz int err; 251131c8eba5SOr Gerlitz 2512d7e75a32SOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_FDB, 2513d7e75a32SOr Gerlitz parse_attr); 2514d7e75a32SOr Gerlitz if (err) 2515d7e75a32SOr Gerlitz return err; 2516d7e75a32SOr Gerlitz 25171cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2518d7e75a32SOr Gerlitz continue; 2519d7e75a32SOr Gerlitz } 2520d7e75a32SOr Gerlitz 252126c02749SOr Gerlitz if (is_tcf_csum(a)) { 25221cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 252326c02749SOr Gerlitz tcf_csum_update_flags(a))) 252426c02749SOr Gerlitz continue; 252526c02749SOr Gerlitz 252626c02749SOr Gerlitz return -EOPNOTSUPP; 252726c02749SOr Gerlitz } 252826c02749SOr Gerlitz 25295724b8b5SShmulik Ladkani if (is_tcf_mirred_egress_redirect(a)) { 25303c37745eSOr Gerlitz struct net_device *out_dev; 253103a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 253203a9d11eSOr Gerlitz 25339f8a739eSCong Wang out_dev = tcf_mirred_dev(a); 253403a9d11eSOr Gerlitz 2535a54e20b4SHadar Hen Zion if (switchdev_port_same_parent_id(priv->netdev, 2536a54e20b4SHadar Hen Zion out_dev)) { 25371cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2538e37a79e5SMark Bloch MLX5_FLOW_CONTEXT_ACTION_COUNT; 253903a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 25401d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 25411d447a39SSaeed Mahameed attr->out_rep = rpriv->rep; 2542a54e20b4SHadar Hen Zion } else if (encap) { 25439f8a739eSCong Wang parse_attr->mirred_ifindex = out_dev->ifindex; 25443c37745eSOr Gerlitz parse_attr->tun_info = *info; 25453c37745eSOr Gerlitz attr->parse_attr = parse_attr; 25461cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_ENCAP | 2547a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2548a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_COUNT; 25493c37745eSOr Gerlitz /* attr->out_rep is resolved when we handle encap */ 2550a54e20b4SHadar Hen Zion } else { 2551a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2552a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2553a54e20b4SHadar Hen Zion return -EINVAL; 2554a54e20b4SHadar Hen Zion } 2555a54e20b4SHadar Hen Zion continue; 2556a54e20b4SHadar Hen Zion } 2557a54e20b4SHadar Hen Zion 2558a54e20b4SHadar Hen Zion if (is_tcf_tunnel_set(a)) { 2559a54e20b4SHadar Hen Zion info = tcf_tunnel_info(a); 2560a54e20b4SHadar Hen Zion if (info) 2561a54e20b4SHadar Hen Zion encap = true; 2562a54e20b4SHadar Hen Zion else 2563a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 256403a9d11eSOr Gerlitz continue; 256503a9d11eSOr Gerlitz } 256603a9d11eSOr Gerlitz 25678b32580dSOr Gerlitz if (is_tcf_vlan(a)) { 256809c91ddfSOr Gerlitz if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { 25691cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 257009c91ddfSOr Gerlitz } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { 25711cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 25726acfbf38SOr Gerlitz attr->vlan_vid = tcf_vlan_push_vid(a); 25736acfbf38SOr Gerlitz if (mlx5_eswitch_vlan_actions_supported(priv->mdev)) { 25746acfbf38SOr Gerlitz attr->vlan_prio = tcf_vlan_push_prio(a); 25756acfbf38SOr Gerlitz attr->vlan_proto = tcf_vlan_push_proto(a); 25766acfbf38SOr Gerlitz if (!attr->vlan_proto) 25776acfbf38SOr Gerlitz attr->vlan_proto = htons(ETH_P_8021Q); 25786acfbf38SOr Gerlitz } else if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || 25796acfbf38SOr Gerlitz tcf_vlan_push_prio(a)) { 25806acfbf38SOr Gerlitz return -EOPNOTSUPP; 25816acfbf38SOr Gerlitz } 258209c91ddfSOr Gerlitz } else { /* action is TCA_VLAN_ACT_MODIFY */ 258309c91ddfSOr Gerlitz return -EOPNOTSUPP; 25848b32580dSOr Gerlitz } 25858b32580dSOr Gerlitz continue; 25868b32580dSOr Gerlitz } 25878b32580dSOr Gerlitz 2588bbd00f7eSHadar Hen Zion if (is_tcf_tunnel_release(a)) { 25891cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2590bbd00f7eSHadar Hen Zion continue; 2591bbd00f7eSHadar Hen Zion } 2592bbd00f7eSHadar Hen Zion 259303a9d11eSOr Gerlitz return -EINVAL; 259403a9d11eSOr Gerlitz } 2595bdd66ac0SOr Gerlitz 25961cab1cd7SOr Gerlitz attr->action = action; 2597bdd66ac0SOr Gerlitz if (!actions_match_supported(priv, exts, parse_attr, flow)) 2598bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2599bdd66ac0SOr Gerlitz 260031c8eba5SOr Gerlitz return 0; 260103a9d11eSOr Gerlitz } 260203a9d11eSOr Gerlitz 26035fd9fc4eSJiri Pirko int mlx5e_configure_flower(struct mlx5e_priv *priv, 2604e3a2b7edSAmir Vadai struct tc_cls_flower_offload *f) 2605e3a2b7edSAmir Vadai { 2606adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 260717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 26083bc4b7bfSOr Gerlitz struct mlx5e_tc_table *tc = &priv->fs.tc; 26093bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 26103bc4b7bfSOr Gerlitz int attr_size, err = 0; 261165ba8fb7SOr Gerlitz u8 flow_flags = 0; 2612e3a2b7edSAmir Vadai 261365ba8fb7SOr Gerlitz if (esw && esw->mode == SRIOV_OFFLOADS) { 261465ba8fb7SOr Gerlitz flow_flags = MLX5E_TC_FLOW_ESWITCH; 261565ba8fb7SOr Gerlitz attr_size = sizeof(struct mlx5_esw_flow_attr); 26163bc4b7bfSOr Gerlitz } else { 26173bc4b7bfSOr Gerlitz flow_flags = MLX5E_TC_FLOW_NIC; 26183bc4b7bfSOr Gerlitz attr_size = sizeof(struct mlx5_nic_flow_attr); 261965ba8fb7SOr Gerlitz } 2620776b12b6SOr Gerlitz 262165ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 26221b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 262317091853SOr Gerlitz if (!parse_attr || !flow) { 2624e3a2b7edSAmir Vadai err = -ENOMEM; 2625e3a2b7edSAmir Vadai goto err_free; 2626e3a2b7edSAmir Vadai } 2627e3a2b7edSAmir Vadai 2628e3a2b7edSAmir Vadai flow->cookie = f->cookie; 262965ba8fb7SOr Gerlitz flow->flags = flow_flags; 2630e3a2b7edSAmir Vadai 263117091853SOr Gerlitz err = parse_cls_flower(priv, flow, &parse_attr->spec, f); 2632e3a2b7edSAmir Vadai if (err < 0) 2633e3a2b7edSAmir Vadai goto err_free; 2634e3a2b7edSAmir Vadai 263565ba8fb7SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 2636d7e75a32SOr Gerlitz err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow); 2637adb4c123SOr Gerlitz if (err < 0) 26383c37745eSOr Gerlitz goto err_free; 2639aa0cbbaeSOr Gerlitz flow->rule = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow); 2640adb4c123SOr Gerlitz } else { 2641aa0cbbaeSOr Gerlitz err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow); 2642e3a2b7edSAmir Vadai if (err < 0) 2643e3a2b7edSAmir Vadai goto err_free; 2644aa0cbbaeSOr Gerlitz flow->rule = mlx5e_tc_add_nic_flow(priv, parse_attr, flow); 2645adb4c123SOr Gerlitz } 2646adb4c123SOr Gerlitz 26475c40348cSOr Gerlitz if (IS_ERR(flow->rule)) { 26485c40348cSOr Gerlitz err = PTR_ERR(flow->rule); 26493c37745eSOr Gerlitz if (err != -EAGAIN) 2650aa0cbbaeSOr Gerlitz goto err_free; 26515c40348cSOr Gerlitz } 26525c40348cSOr Gerlitz 26533c37745eSOr Gerlitz if (err != -EAGAIN) 26540b67a38fSHadar Hen Zion flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 26553c37745eSOr Gerlitz 2656af1607c3SJianbo Liu if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 2657232c0013SHadar Hen Zion !(flow->esw_attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)) 2658232c0013SHadar Hen Zion kvfree(parse_attr); 2659e3a2b7edSAmir Vadai 2660af1607c3SJianbo Liu err = rhashtable_insert_fast(&tc->ht, &flow->node, 2661af1607c3SJianbo Liu tc->ht_params); 2662af1607c3SJianbo Liu if (err) { 26635e86397aSOr Gerlitz mlx5e_tc_del_flow(priv, flow); 2664af1607c3SJianbo Liu kfree(flow); 2665af1607c3SJianbo Liu } 2666af1607c3SJianbo Liu 2667af1607c3SJianbo Liu return err; 2668e3a2b7edSAmir Vadai 2669e3a2b7edSAmir Vadai err_free: 267017091853SOr Gerlitz kvfree(parse_attr); 2671232c0013SHadar Hen Zion kfree(flow); 2672e3a2b7edSAmir Vadai return err; 2673e3a2b7edSAmir Vadai } 2674e3a2b7edSAmir Vadai 2675e3a2b7edSAmir Vadai int mlx5e_delete_flower(struct mlx5e_priv *priv, 2676e3a2b7edSAmir Vadai struct tc_cls_flower_offload *f) 2677e3a2b7edSAmir Vadai { 2678e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 2679acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 2680e3a2b7edSAmir Vadai 2681e3a2b7edSAmir Vadai flow = rhashtable_lookup_fast(&tc->ht, &f->cookie, 2682e3a2b7edSAmir Vadai tc->ht_params); 2683e3a2b7edSAmir Vadai if (!flow) 2684e3a2b7edSAmir Vadai return -EINVAL; 2685e3a2b7edSAmir Vadai 2686e3a2b7edSAmir Vadai rhashtable_remove_fast(&tc->ht, &flow->node, tc->ht_params); 2687e3a2b7edSAmir Vadai 2688961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2689e3a2b7edSAmir Vadai 2690e3a2b7edSAmir Vadai kfree(flow); 2691e3a2b7edSAmir Vadai 2692e3a2b7edSAmir Vadai return 0; 2693e3a2b7edSAmir Vadai } 2694e3a2b7edSAmir Vadai 2695aad7e08dSAmir Vadai int mlx5e_stats_flower(struct mlx5e_priv *priv, 2696aad7e08dSAmir Vadai struct tc_cls_flower_offload *f) 2697aad7e08dSAmir Vadai { 2698aad7e08dSAmir Vadai struct mlx5e_tc_table *tc = &priv->fs.tc; 2699aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 2700aad7e08dSAmir Vadai struct mlx5_fc *counter; 2701aad7e08dSAmir Vadai u64 bytes; 2702aad7e08dSAmir Vadai u64 packets; 2703aad7e08dSAmir Vadai u64 lastuse; 2704aad7e08dSAmir Vadai 2705aad7e08dSAmir Vadai flow = rhashtable_lookup_fast(&tc->ht, &f->cookie, 2706aad7e08dSAmir Vadai tc->ht_params); 2707aad7e08dSAmir Vadai if (!flow) 2708aad7e08dSAmir Vadai return -EINVAL; 2709aad7e08dSAmir Vadai 27100b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 27110b67a38fSHadar Hen Zion return 0; 27120b67a38fSHadar Hen Zion 2713aad7e08dSAmir Vadai counter = mlx5_flow_rule_counter(flow->rule); 2714aad7e08dSAmir Vadai if (!counter) 2715aad7e08dSAmir Vadai return 0; 2716aad7e08dSAmir Vadai 2717aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 2718aad7e08dSAmir Vadai 2719d897a638SJakub Kicinski tcf_exts_stats_update(f->exts, bytes, packets, lastuse); 2720fed06ee8SOr Gerlitz 2721aad7e08dSAmir Vadai return 0; 2722aad7e08dSAmir Vadai } 2723aad7e08dSAmir Vadai 2724e8f887acSAmir Vadai static const struct rhashtable_params mlx5e_tc_flow_ht_params = { 2725e8f887acSAmir Vadai .head_offset = offsetof(struct mlx5e_tc_flow, node), 2726e8f887acSAmir Vadai .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 2727e8f887acSAmir Vadai .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 2728e8f887acSAmir Vadai .automatic_shrinking = true, 2729e8f887acSAmir Vadai }; 2730e8f887acSAmir Vadai 2731e8f887acSAmir Vadai int mlx5e_tc_init(struct mlx5e_priv *priv) 2732e8f887acSAmir Vadai { 2733acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 2734e8f887acSAmir Vadai 273511c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 27365c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 273711c9c548SOr Gerlitz 2738e8f887acSAmir Vadai tc->ht_params = mlx5e_tc_flow_ht_params; 2739e8f887acSAmir Vadai return rhashtable_init(&tc->ht, &tc->ht_params); 2740e8f887acSAmir Vadai } 2741e8f887acSAmir Vadai 2742e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 2743e8f887acSAmir Vadai { 2744e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 2745e8f887acSAmir Vadai struct mlx5e_priv *priv = arg; 2746e8f887acSAmir Vadai 2747961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2748e8f887acSAmir Vadai kfree(flow); 2749e8f887acSAmir Vadai } 2750e8f887acSAmir Vadai 2751e8f887acSAmir Vadai void mlx5e_tc_cleanup(struct mlx5e_priv *priv) 2752e8f887acSAmir Vadai { 2753acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 2754e8f887acSAmir Vadai 2755e8f887acSAmir Vadai rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, priv); 2756e8f887acSAmir Vadai 2757acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 2758acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 2759acff797cSMaor Gottlieb tc->t = NULL; 2760e8f887acSAmir Vadai } 2761e8f887acSAmir Vadai } 2762