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> 47f6dfb4c3SHadar Hen Zion #include <net/arp.h> 48e8f887acSAmir Vadai #include "en.h" 491d447a39SSaeed Mahameed #include "en_rep.h" 50232c0013SHadar Hen Zion #include "en_tc.h" 5103a9d11eSOr Gerlitz #include "eswitch.h" 523f6d08d1SOr Gerlitz #include "fs_core.h" 532c81bfd5SHuy Nguyen #include "en/port.h" 54101f4de9SOz Shlomo #include "en/tc_tun.h" 5504de7ddaSRoi Dayan #include "lib/devcom.h" 56e8f887acSAmir Vadai 573bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 583bc4b7bfSOr Gerlitz u32 action; 593bc4b7bfSOr Gerlitz u32 flow_tag; 602f4fe4caSOr Gerlitz u32 mod_hdr_id; 615c65c564SOr Gerlitz u32 hairpin_tirn; 6238aa51c1SOr Gerlitz u8 match_level; 633f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 64b8aee822SMark Bloch struct mlx5_fc *counter; 653bc4b7bfSOr Gerlitz }; 663bc4b7bfSOr Gerlitz 6760bd4af8SOr Gerlitz #define MLX5E_TC_FLOW_BASE (MLX5E_TC_LAST_EXPORTED_BIT + 1) 6860bd4af8SOr Gerlitz 6965ba8fb7SOr Gerlitz enum { 7060bd4af8SOr Gerlitz MLX5E_TC_FLOW_INGRESS = MLX5E_TC_INGRESS, 7160bd4af8SOr Gerlitz MLX5E_TC_FLOW_EGRESS = MLX5E_TC_EGRESS, 72d9ee0491SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = MLX5E_TC_ESW_OFFLOAD, 73d9ee0491SOr Gerlitz MLX5E_TC_FLOW_NIC = MLX5E_TC_NIC_OFFLOAD, 74d9ee0491SOr Gerlitz MLX5E_TC_FLOW_OFFLOADED = BIT(MLX5E_TC_FLOW_BASE), 75d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(MLX5E_TC_FLOW_BASE + 1), 76d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(MLX5E_TC_FLOW_BASE + 2), 77d9ee0491SOr Gerlitz MLX5E_TC_FLOW_SLOW = BIT(MLX5E_TC_FLOW_BASE + 3), 78d9ee0491SOr Gerlitz MLX5E_TC_FLOW_DUP = BIT(MLX5E_TC_FLOW_BASE + 4), 7965ba8fb7SOr Gerlitz }; 8065ba8fb7SOr Gerlitz 81e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 82e4ad91f2SChris Mi 8379baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 8479baaec7SEli Britstein * Containing struct 8579baaec7SEli Britstein * |- Helper array 8679baaec7SEli Britstein * [0] Helper item 0 8779baaec7SEli Britstein * |- list_head item 0 8879baaec7SEli Britstein * |- index (0) 8979baaec7SEli Britstein * [1] Helper item 1 9079baaec7SEli Britstein * |- list_head item 1 9179baaec7SEli Britstein * |- index (1) 9279baaec7SEli Britstein * To access the containing struct from one of the list_head items: 9379baaec7SEli Britstein * 1. Get the helper item from the list_head item using 9479baaec7SEli Britstein * helper item = 9579baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 9679baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 9779baaec7SEli Britstein * containing struct = 9879baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 9979baaec7SEli Britstein */ 10079baaec7SEli Britstein struct encap_flow_item { 10179baaec7SEli Britstein struct list_head list; 10279baaec7SEli Britstein int index; 10379baaec7SEli Britstein }; 10479baaec7SEli Britstein 105e8f887acSAmir Vadai struct mlx5e_tc_flow { 106e8f887acSAmir Vadai struct rhash_head node; 107655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 108e8f887acSAmir Vadai u64 cookie; 1095dbe906fSPaul Blakey u16 flags; 110e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11179baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 11279baaec7SEli Britstein * The number of encaps is bounded by the number of supported 11379baaec7SEli Britstein * destinations. 11479baaec7SEli Britstein */ 11579baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 11604de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 11711c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 1185c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 11904de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 1203bc4b7bfSOr Gerlitz union { 121ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1223bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1233bc4b7bfSOr Gerlitz }; 124e8f887acSAmir Vadai }; 125e8f887acSAmir Vadai 12617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 12798b66cb1SEli Britstein struct ip_tunnel_info tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 128d11afc26SOz Shlomo struct net_device *filter_dev; 12917091853SOr Gerlitz struct mlx5_flow_spec spec; 130d79b6df6SOr Gerlitz int num_mod_hdr_actions; 131d79b6df6SOr Gerlitz void *mod_hdr_actions; 13298b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 13317091853SOr Gerlitz }; 13417091853SOr Gerlitz 135acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 136b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 137e8f887acSAmir Vadai 13877ab67b7SOr Gerlitz struct mlx5e_hairpin { 13977ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 14077ab67b7SOr Gerlitz 14177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1423f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 14377ab67b7SOr Gerlitz u32 tdn; 14477ab67b7SOr Gerlitz u32 tirn; 1453f6d08d1SOr Gerlitz 1463f6d08d1SOr Gerlitz int num_channels; 1473f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1483f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1493f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 15077ab67b7SOr Gerlitz }; 15177ab67b7SOr Gerlitz 1525c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1535c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1545c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1555c65c564SOr Gerlitz 1565c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1575c65c564SOr Gerlitz struct list_head flows; 1585c65c564SOr Gerlitz 159d8822868SOr Gerlitz u16 peer_vhca_id; 160106be53bSOr Gerlitz u8 prio; 1615c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1625c65c564SOr Gerlitz }; 1635c65c564SOr Gerlitz 16411c9c548SOr Gerlitz struct mod_hdr_key { 16511c9c548SOr Gerlitz int num_actions; 16611c9c548SOr Gerlitz void *actions; 16711c9c548SOr Gerlitz }; 16811c9c548SOr Gerlitz 16911c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 17011c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 17111c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 17211c9c548SOr Gerlitz 17311c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 17411c9c548SOr Gerlitz struct list_head flows; 17511c9c548SOr Gerlitz 17611c9c548SOr Gerlitz struct mod_hdr_key key; 17711c9c548SOr Gerlitz 17811c9c548SOr Gerlitz u32 mod_hdr_id; 17911c9c548SOr Gerlitz }; 18011c9c548SOr Gerlitz 18111c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 18211c9c548SOr Gerlitz 18311c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 18411c9c548SOr Gerlitz { 18511c9c548SOr Gerlitz return jhash(key->actions, 18611c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 18711c9c548SOr Gerlitz } 18811c9c548SOr Gerlitz 18911c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 19011c9c548SOr Gerlitz struct mod_hdr_key *b) 19111c9c548SOr Gerlitz { 19211c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 19311c9c548SOr Gerlitz return 1; 19411c9c548SOr Gerlitz 19511c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 19611c9c548SOr Gerlitz } 19711c9c548SOr Gerlitz 19811c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 19911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 20011c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 20111c9c548SOr Gerlitz { 20211c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20311c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 20411c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 20511c9c548SOr Gerlitz struct mod_hdr_key key; 20611c9c548SOr Gerlitz bool found = false; 20711c9c548SOr Gerlitz u32 hash_key; 20811c9c548SOr Gerlitz 20911c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 21011c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 21111c9c548SOr Gerlitz 21211c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 21311c9c548SOr Gerlitz key.num_actions = num_actions; 21411c9c548SOr Gerlitz 21511c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 21611c9c548SOr Gerlitz 21711c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 21811c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 21911c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 22011c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 22111c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 22211c9c548SOr Gerlitz found = true; 22311c9c548SOr Gerlitz break; 22411c9c548SOr Gerlitz } 22511c9c548SOr Gerlitz } 22611c9c548SOr Gerlitz } else { 22711c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 22811c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 22911c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 23011c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 23111c9c548SOr Gerlitz found = true; 23211c9c548SOr Gerlitz break; 23311c9c548SOr Gerlitz } 23411c9c548SOr Gerlitz } 23511c9c548SOr Gerlitz } 23611c9c548SOr Gerlitz 23711c9c548SOr Gerlitz if (found) 23811c9c548SOr Gerlitz goto attach_flow; 23911c9c548SOr Gerlitz 24011c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 24111c9c548SOr Gerlitz if (!mh) 24211c9c548SOr Gerlitz return -ENOMEM; 24311c9c548SOr Gerlitz 24411c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 24511c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 24611c9c548SOr Gerlitz mh->key.num_actions = num_actions; 24711c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 24811c9c548SOr Gerlitz 24911c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 25011c9c548SOr Gerlitz mh->key.num_actions, 25111c9c548SOr Gerlitz mh->key.actions, 25211c9c548SOr Gerlitz &mh->mod_hdr_id); 25311c9c548SOr Gerlitz if (err) 25411c9c548SOr Gerlitz goto out_err; 25511c9c548SOr Gerlitz 25611c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 25711c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 25811c9c548SOr Gerlitz else 25911c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 26011c9c548SOr Gerlitz 26111c9c548SOr Gerlitz attach_flow: 26211c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 26311c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 26411c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 26511c9c548SOr Gerlitz else 26611c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 26711c9c548SOr Gerlitz 26811c9c548SOr Gerlitz return 0; 26911c9c548SOr Gerlitz 27011c9c548SOr Gerlitz out_err: 27111c9c548SOr Gerlitz kfree(mh); 27211c9c548SOr Gerlitz return err; 27311c9c548SOr Gerlitz } 27411c9c548SOr Gerlitz 27511c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 27611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 27711c9c548SOr Gerlitz { 27811c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 27911c9c548SOr Gerlitz 28011c9c548SOr Gerlitz list_del(&flow->mod_hdr); 28111c9c548SOr Gerlitz 28211c9c548SOr Gerlitz if (list_empty(next)) { 28311c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 28411c9c548SOr Gerlitz 28511c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 28611c9c548SOr Gerlitz 28711c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 28811c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 28911c9c548SOr Gerlitz kfree(mh); 29011c9c548SOr Gerlitz } 29111c9c548SOr Gerlitz } 29211c9c548SOr Gerlitz 29377ab67b7SOr Gerlitz static 29477ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 29577ab67b7SOr Gerlitz { 29677ab67b7SOr Gerlitz struct net_device *netdev; 29777ab67b7SOr Gerlitz struct mlx5e_priv *priv; 29877ab67b7SOr Gerlitz 29977ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 30077ab67b7SOr Gerlitz priv = netdev_priv(netdev); 30177ab67b7SOr Gerlitz return priv->mdev; 30277ab67b7SOr Gerlitz } 30377ab67b7SOr Gerlitz 30477ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 30577ab67b7SOr Gerlitz { 30677ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 30777ab67b7SOr Gerlitz void *tirc; 30877ab67b7SOr Gerlitz int err; 30977ab67b7SOr Gerlitz 31077ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 31177ab67b7SOr Gerlitz if (err) 31277ab67b7SOr Gerlitz goto alloc_tdn_err; 31377ab67b7SOr Gerlitz 31477ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 31577ab67b7SOr Gerlitz 31677ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 317ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 31877ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 31977ab67b7SOr Gerlitz 32077ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 32177ab67b7SOr Gerlitz if (err) 32277ab67b7SOr Gerlitz goto create_tir_err; 32377ab67b7SOr Gerlitz 32477ab67b7SOr Gerlitz return 0; 32577ab67b7SOr Gerlitz 32677ab67b7SOr Gerlitz create_tir_err: 32777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 32877ab67b7SOr Gerlitz alloc_tdn_err: 32977ab67b7SOr Gerlitz return err; 33077ab67b7SOr Gerlitz } 33177ab67b7SOr Gerlitz 33277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 33377ab67b7SOr Gerlitz { 33477ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 33577ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 33677ab67b7SOr Gerlitz } 33777ab67b7SOr Gerlitz 3383f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3393f6d08d1SOr Gerlitz { 3403f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3413f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3423f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3433f6d08d1SOr Gerlitz 3443f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3453f6d08d1SOr Gerlitz hp->num_channels); 3463f6d08d1SOr Gerlitz 3473f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3483f6d08d1SOr Gerlitz ix = i; 349bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 3503f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3513f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3523f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3533f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3543f6d08d1SOr Gerlitz } 3553f6d08d1SOr Gerlitz } 3563f6d08d1SOr Gerlitz 3573f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3583f6d08d1SOr Gerlitz { 3593f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3603f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3613f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3623f6d08d1SOr Gerlitz void *rqtc; 3633f6d08d1SOr Gerlitz u32 *in; 3643f6d08d1SOr Gerlitz 3653f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3663f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3673f6d08d1SOr Gerlitz if (!in) 3683f6d08d1SOr Gerlitz return -ENOMEM; 3693f6d08d1SOr Gerlitz 3703f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3713f6d08d1SOr Gerlitz 3723f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3733f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3743f6d08d1SOr Gerlitz 3753f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3763f6d08d1SOr Gerlitz 3773f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3783f6d08d1SOr Gerlitz if (!err) 3793f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3803f6d08d1SOr Gerlitz 3813f6d08d1SOr Gerlitz kvfree(in); 3823f6d08d1SOr Gerlitz return err; 3833f6d08d1SOr Gerlitz } 3843f6d08d1SOr Gerlitz 3853f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3863f6d08d1SOr Gerlitz { 3873f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3883f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3893f6d08d1SOr Gerlitz int tt, i, err; 3903f6d08d1SOr Gerlitz void *tirc; 3913f6d08d1SOr Gerlitz 3923f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 393d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 394d930ac79SAya Levin 3953f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3963f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3973f6d08d1SOr Gerlitz 3983f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 3993f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 4003f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 401bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 402bbeb53b8SAya Levin 4033f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 4043f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 4053f6d08d1SOr Gerlitz if (err) { 4063f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 4073f6d08d1SOr Gerlitz goto err_destroy_tirs; 4083f6d08d1SOr Gerlitz } 4093f6d08d1SOr Gerlitz } 4103f6d08d1SOr Gerlitz return 0; 4113f6d08d1SOr Gerlitz 4123f6d08d1SOr Gerlitz err_destroy_tirs: 4133f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 4143f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 4153f6d08d1SOr Gerlitz return err; 4163f6d08d1SOr Gerlitz } 4173f6d08d1SOr Gerlitz 4183f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 4193f6d08d1SOr Gerlitz { 4203f6d08d1SOr Gerlitz int tt; 4213f6d08d1SOr Gerlitz 4223f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4233f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 4243f6d08d1SOr Gerlitz } 4253f6d08d1SOr Gerlitz 4263f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 4273f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 4283f6d08d1SOr Gerlitz { 4293f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4303f6d08d1SOr Gerlitz int tt; 4313f6d08d1SOr Gerlitz 4323f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4333f6d08d1SOr Gerlitz 4343f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4353f6d08d1SOr Gerlitz 4363f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4373f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4383f6d08d1SOr Gerlitz 4393f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4403f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4413f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4423f6d08d1SOr Gerlitz } 4433f6d08d1SOr Gerlitz 4443f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4453f6d08d1SOr Gerlitz { 4463f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4473f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4483f6d08d1SOr Gerlitz int err; 4493f6d08d1SOr Gerlitz 4503f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4513f6d08d1SOr Gerlitz if (err) 4523f6d08d1SOr Gerlitz return err; 4533f6d08d1SOr Gerlitz 4543f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4553f6d08d1SOr Gerlitz if (err) 4563f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4573f6d08d1SOr Gerlitz 4583f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4593f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4603f6d08d1SOr Gerlitz if (err) 4613f6d08d1SOr Gerlitz goto err_create_ttc_table; 4623f6d08d1SOr Gerlitz 4633f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4643f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4653f6d08d1SOr Gerlitz 4663f6d08d1SOr Gerlitz return 0; 4673f6d08d1SOr Gerlitz 4683f6d08d1SOr Gerlitz err_create_ttc_table: 4693f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4703f6d08d1SOr Gerlitz err_create_indirect_tirs: 4713f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4723f6d08d1SOr Gerlitz 4733f6d08d1SOr Gerlitz return err; 4743f6d08d1SOr Gerlitz } 4753f6d08d1SOr Gerlitz 4763f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4773f6d08d1SOr Gerlitz { 4783f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4793f6d08d1SOr Gerlitz 4803f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4813f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4823f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4833f6d08d1SOr Gerlitz } 4843f6d08d1SOr Gerlitz 48577ab67b7SOr Gerlitz static struct mlx5e_hairpin * 48677ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 48777ab67b7SOr Gerlitz int peer_ifindex) 48877ab67b7SOr Gerlitz { 48977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 49077ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 49177ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 49277ab67b7SOr Gerlitz int err; 49377ab67b7SOr Gerlitz 49477ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 49577ab67b7SOr Gerlitz if (!hp) 49677ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 49777ab67b7SOr Gerlitz 49877ab67b7SOr Gerlitz func_mdev = priv->mdev; 49977ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 50077ab67b7SOr Gerlitz 50177ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 50277ab67b7SOr Gerlitz if (IS_ERR(pair)) { 50377ab67b7SOr Gerlitz err = PTR_ERR(pair); 50477ab67b7SOr Gerlitz goto create_pair_err; 50577ab67b7SOr Gerlitz } 50677ab67b7SOr Gerlitz hp->pair = pair; 50777ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 5083f6d08d1SOr Gerlitz hp->func_priv = priv; 5093f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 51077ab67b7SOr Gerlitz 51177ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 51277ab67b7SOr Gerlitz if (err) 51377ab67b7SOr Gerlitz goto create_transport_err; 51477ab67b7SOr Gerlitz 5153f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 5163f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 5173f6d08d1SOr Gerlitz if (err) 5183f6d08d1SOr Gerlitz goto rss_init_err; 5193f6d08d1SOr Gerlitz } 5203f6d08d1SOr Gerlitz 52177ab67b7SOr Gerlitz return hp; 52277ab67b7SOr Gerlitz 5233f6d08d1SOr Gerlitz rss_init_err: 5243f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 52577ab67b7SOr Gerlitz create_transport_err: 52677ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 52777ab67b7SOr Gerlitz create_pair_err: 52877ab67b7SOr Gerlitz kfree(hp); 52977ab67b7SOr Gerlitz return ERR_PTR(err); 53077ab67b7SOr Gerlitz } 53177ab67b7SOr Gerlitz 53277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 53377ab67b7SOr Gerlitz { 5343f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5353f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 53677ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 53777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 53877ab67b7SOr Gerlitz kvfree(hp); 53977ab67b7SOr Gerlitz } 54077ab67b7SOr Gerlitz 541106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 542106be53bSOr Gerlitz { 543106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 544106be53bSOr Gerlitz } 545106be53bSOr Gerlitz 5465c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 547106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5485c65c564SOr Gerlitz { 5495c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 550106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5515c65c564SOr Gerlitz 5525c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 553106be53bSOr Gerlitz hairpin_hlist, hash_key) { 554106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5555c65c564SOr Gerlitz return hpe; 5565c65c564SOr Gerlitz } 5575c65c564SOr Gerlitz 5585c65c564SOr Gerlitz return NULL; 5595c65c564SOr Gerlitz } 5605c65c564SOr Gerlitz 561106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 562106be53bSOr Gerlitz 563106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 564e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 565e98bedf5SEli Britstein struct netlink_ext_ack *extack) 566106be53bSOr Gerlitz { 567106be53bSOr Gerlitz void *headers_c, *headers_v; 568106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 569106be53bSOr Gerlitz bool vlan_present; 570106be53bSOr Gerlitz 571106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 572106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 573e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 574e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 575106be53bSOr Gerlitz return -EOPNOTSUPP; 576106be53bSOr Gerlitz } 577106be53bSOr Gerlitz #endif 578106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 579106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 580106be53bSOr Gerlitz 581106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 582106be53bSOr Gerlitz if (vlan_present) { 583106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 584106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 585106be53bSOr Gerlitz } 586106be53bSOr Gerlitz 587106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 588106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 589106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 590e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 591e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 592106be53bSOr Gerlitz return -EOPNOTSUPP; 593106be53bSOr Gerlitz } 594106be53bSOr Gerlitz 595106be53bSOr Gerlitz *match_prio = prio_val; 596106be53bSOr Gerlitz return 0; 597106be53bSOr Gerlitz } 598106be53bSOr Gerlitz 5995c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 6005c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 601e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 602e98bedf5SEli Britstein struct netlink_ext_ack *extack) 6035c65c564SOr Gerlitz { 60498b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 6055c65c564SOr Gerlitz struct mlx5_hairpin_params params; 606d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 6075c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6085c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 6093f6d08d1SOr Gerlitz u64 link_speed64; 6103f6d08d1SOr Gerlitz u32 link_speed; 611106be53bSOr Gerlitz u8 match_prio; 612d8822868SOr Gerlitz u16 peer_id; 6135c65c564SOr Gerlitz int err; 6145c65c564SOr Gerlitz 615d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 616d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 617e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 6185c65c564SOr Gerlitz return -EOPNOTSUPP; 6195c65c564SOr Gerlitz } 6205c65c564SOr Gerlitz 621d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 622e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 623e98bedf5SEli Britstein extack); 624106be53bSOr Gerlitz if (err) 625106be53bSOr Gerlitz return err; 626106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 6275c65c564SOr Gerlitz if (hpe) 6285c65c564SOr Gerlitz goto attach_flow; 6295c65c564SOr Gerlitz 6305c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6315c65c564SOr Gerlitz if (!hpe) 6325c65c564SOr Gerlitz return -ENOMEM; 6335c65c564SOr Gerlitz 6345c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 635d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 636106be53bSOr Gerlitz hpe->prio = match_prio; 6375c65c564SOr Gerlitz 6385c65c564SOr Gerlitz params.log_data_size = 15; 6395c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6405c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6415c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6425c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6435c65c564SOr Gerlitz 644eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 645eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 646eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 647eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 648eb9180f7SOr Gerlitz 649eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6503f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6512c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6523f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6533f6d08d1SOr Gerlitz link_speed64 = link_speed; 6543f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6553f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6563f6d08d1SOr Gerlitz 6575c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6585c65c564SOr Gerlitz if (IS_ERR(hp)) { 6595c65c564SOr Gerlitz err = PTR_ERR(hp); 6605c65c564SOr Gerlitz goto create_hairpin_err; 6615c65c564SOr Gerlitz } 6625c65c564SOr Gerlitz 663eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 664ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 665eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6665c65c564SOr Gerlitz 6675c65c564SOr Gerlitz hpe->hp = hp; 668106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 669106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6705c65c564SOr Gerlitz 6715c65c564SOr Gerlitz attach_flow: 6723f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6733f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6743f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6753f6d08d1SOr Gerlitz } else { 6765c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6773f6d08d1SOr Gerlitz } 6785c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6793f6d08d1SOr Gerlitz 6805c65c564SOr Gerlitz return 0; 6815c65c564SOr Gerlitz 6825c65c564SOr Gerlitz create_hairpin_err: 6835c65c564SOr Gerlitz kfree(hpe); 6845c65c564SOr Gerlitz return err; 6855c65c564SOr Gerlitz } 6865c65c564SOr Gerlitz 6875c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6885c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6895c65c564SOr Gerlitz { 6905c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6915c65c564SOr Gerlitz 6925c65c564SOr Gerlitz list_del(&flow->hairpin); 6935c65c564SOr Gerlitz 6945c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6955c65c564SOr Gerlitz if (list_empty(next)) { 6965c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6975c65c564SOr Gerlitz 6985c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 6995c65c564SOr Gerlitz 7005c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 7015c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 7025c65c564SOr Gerlitz 7035c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 7045c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 7055c65c564SOr Gerlitz kfree(hpe); 7065c65c564SOr Gerlitz } 7075c65c564SOr Gerlitz } 7085c65c564SOr Gerlitz 709c83954abSRabie Loulou static int 71074491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 71117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 712e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 713e98bedf5SEli Britstein struct netlink_ext_ack *extack) 714e8f887acSAmir Vadai { 715aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 716aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 7175c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 71866958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 7193bc4b7bfSOr Gerlitz .action = attr->action, 7203bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 72160786f09SMark Bloch .reformat_id = 0, 72242f7ad67SPaul Blakey .flags = FLOW_ACT_HAS_TAG | FLOW_ACT_NO_APPEND, 72366958ed9SHadar Hen Zion }; 724aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 725e8f887acSAmir Vadai bool table_created = false; 7265c65c564SOr Gerlitz int err, dest_ix = 0; 727e8f887acSAmir Vadai 7285c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 729e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7305c65c564SOr Gerlitz if (err) { 7315c65c564SOr Gerlitz goto err_add_hairpin_flow; 7325c65c564SOr Gerlitz } 7333f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7343f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7353f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7363f6d08d1SOr Gerlitz } else { 7375c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7385c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7393f6d08d1SOr Gerlitz } 7403f6d08d1SOr Gerlitz dest_ix++; 7413f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7425c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7435c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7445c65c564SOr Gerlitz dest_ix++; 7455c65c564SOr Gerlitz } 746aad7e08dSAmir Vadai 7475c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7485c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7495c65c564SOr Gerlitz if (IS_ERR(counter)) { 750c83954abSRabie Loulou err = PTR_ERR(counter); 7515c65c564SOr Gerlitz goto err_fc_create; 7525c65c564SOr Gerlitz } 7535c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 754171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 7555c65c564SOr Gerlitz dest_ix++; 756b8aee822SMark Bloch attr->counter = counter; 757aad7e08dSAmir Vadai } 758aad7e08dSAmir Vadai 7592f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7603099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 761d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7622f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 763c83954abSRabie Loulou if (err) 7642f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7652f4fe4caSOr Gerlitz } 7662f4fe4caSOr Gerlitz 767acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 76821b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 76921b9c144SOr Gerlitz u32 max_flow_counter; 77021b9c144SOr Gerlitz 77121b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 77221b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 77321b9c144SOr Gerlitz 77421b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 77521b9c144SOr Gerlitz 77621b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 77721b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 77821b9c144SOr Gerlitz 779acff797cSMaor Gottlieb priv->fs.tc.t = 780acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 781acff797cSMaor Gottlieb MLX5E_TC_PRIO, 78221b9c144SOr Gerlitz tc_tbl_size, 783acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7843f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 785acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 786e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 787e98bedf5SEli Britstein "Failed to create tc offload table\n"); 788e8f887acSAmir Vadai netdev_err(priv->netdev, 789e8f887acSAmir Vadai "Failed to create tc offload table\n"); 790c83954abSRabie Loulou err = PTR_ERR(priv->fs.tc.t); 791aad7e08dSAmir Vadai goto err_create_ft; 792e8f887acSAmir Vadai } 793e8f887acSAmir Vadai 794e8f887acSAmir Vadai table_created = true; 795e8f887acSAmir Vadai } 796e8f887acSAmir Vadai 79738aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 79817091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 79938aa51c1SOr Gerlitz 800c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 8015c65c564SOr Gerlitz &flow_act, dest, dest_ix); 802e8f887acSAmir Vadai 803c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 804c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 805aad7e08dSAmir Vadai goto err_add_rule; 806c83954abSRabie Loulou } 807aad7e08dSAmir Vadai 808c83954abSRabie Loulou return 0; 809aad7e08dSAmir Vadai 810aad7e08dSAmir Vadai err_add_rule: 811aad7e08dSAmir Vadai if (table_created) { 812acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 813acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 814e8f887acSAmir Vadai } 815aad7e08dSAmir Vadai err_create_ft: 8162f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8173099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8182f4fe4caSOr Gerlitz err_create_mod_hdr_id: 819aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 8205c65c564SOr Gerlitz err_fc_create: 8215c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8225c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 8235c65c564SOr Gerlitz err_add_hairpin_flow: 824c83954abSRabie Loulou return err; 825e8f887acSAmir Vadai } 826e8f887acSAmir Vadai 827d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 828d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 829d85cdccbSOr Gerlitz { 830513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 831d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 832d85cdccbSOr Gerlitz 833b8aee822SMark Bloch counter = attr->counter; 834e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 835d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 836d85cdccbSOr Gerlitz 837d9ee0491SOr Gerlitz if (!mlx5e_tc_num_filters(priv, MLX5E_TC_NIC_OFFLOAD) && priv->fs.tc.t) { 838d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 839d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 840d85cdccbSOr Gerlitz } 8412f4fe4caSOr Gerlitz 842513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8433099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8445c65c564SOr Gerlitz 8455c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8465c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 847d85cdccbSOr Gerlitz } 848d85cdccbSOr Gerlitz 849aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 8508c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 851aa0cbbaeSOr Gerlitz 8523c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 8533c37745eSOr Gerlitz struct ip_tunnel_info *tun_info, 8543c37745eSOr Gerlitz struct net_device *mirred_dev, 8553c37745eSOr Gerlitz struct net_device **encap_dev, 856e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 8578c4dc42bSEli Britstein struct netlink_ext_ack *extack, 8588c4dc42bSEli Britstein int out_index); 8593c37745eSOr Gerlitz 8606d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 8616d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 8626d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8636d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 8646d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8656d2a3ed0SOr Gerlitz { 8666d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 8676d2a3ed0SOr Gerlitz 8686d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 8696d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 8706d2a3ed0SOr Gerlitz return rule; 8716d2a3ed0SOr Gerlitz 872e85e02baSEli Britstein if (attr->split_count) { 8736d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 8746d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 8756d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 8766d2a3ed0SOr Gerlitz return flow->rule[1]; 8776d2a3ed0SOr Gerlitz } 8786d2a3ed0SOr Gerlitz } 8796d2a3ed0SOr Gerlitz 8806d2a3ed0SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 8816d2a3ed0SOr Gerlitz return rule; 8826d2a3ed0SOr Gerlitz } 8836d2a3ed0SOr Gerlitz 8846d2a3ed0SOr Gerlitz static void 8856d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 8866d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8876d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8886d2a3ed0SOr Gerlitz { 8896d2a3ed0SOr Gerlitz flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 8906d2a3ed0SOr Gerlitz 891e85e02baSEli Britstein if (attr->split_count) 8926d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 8936d2a3ed0SOr Gerlitz 8946d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 8956d2a3ed0SOr Gerlitz } 8966d2a3ed0SOr Gerlitz 8975dbe906fSPaul Blakey static struct mlx5_flow_handle * 8985dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 8995dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9005dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 9015dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9025dbe906fSPaul Blakey { 9035dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 9045dbe906fSPaul Blakey 9055dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 906154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9072be09de7SDavid S. Miller slow_attr->split_count = 0; 908154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9095dbe906fSPaul Blakey 9105dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 9115dbe906fSPaul Blakey if (!IS_ERR(rule)) 9125dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_SLOW; 9135dbe906fSPaul Blakey 9145dbe906fSPaul Blakey return rule; 9155dbe906fSPaul Blakey } 9165dbe906fSPaul Blakey 9175dbe906fSPaul Blakey static void 9185dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 9195dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9205dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9215dbe906fSPaul Blakey { 9225dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 923154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9242be09de7SDavid S. Miller slow_attr->split_count = 0; 925154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9265dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 9275dbe906fSPaul Blakey flow->flags &= ~MLX5E_TC_FLOW_SLOW; 9285dbe906fSPaul Blakey } 9295dbe906fSPaul Blakey 930c83954abSRabie Loulou static int 93174491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 93217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 933e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 934e98bedf5SEli Britstein struct netlink_ext_ack *extack) 935adb4c123SOr Gerlitz { 936adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 937bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 938aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 939bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 9403c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 941b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 9423c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 9433c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 944c83954abSRabie Loulou int err = 0, encap_err = 0; 945f493f155SEli Britstein int out_index; 9468b32580dSOr Gerlitz 947d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 948d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 949d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 950d14f6f2aSOr Gerlitz } 951e52c2802SPaul Blakey 952bf07aa73SPaul Blakey if (attr->chain > max_chain) { 953bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 954bf07aa73SPaul Blakey err = -EOPNOTSUPP; 955bf07aa73SPaul Blakey goto err_max_prio_chain; 956bf07aa73SPaul Blakey } 957bf07aa73SPaul Blakey 958bf07aa73SPaul Blakey if (attr->prio > max_prio) { 959bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 960bf07aa73SPaul Blakey err = -EOPNOTSUPP; 961bf07aa73SPaul Blakey goto err_max_prio_chain; 962bf07aa73SPaul Blakey } 963bf07aa73SPaul Blakey 964f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 9658c4dc42bSEli Britstein int mirred_ifindex; 9668c4dc42bSEli Britstein 967f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 968f493f155SEli Britstein continue; 969f493f155SEli Britstein 9708c4dc42bSEli Britstein mirred_ifindex = attr->parse_attr->mirred_ifindex[out_index]; 9713c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 9728c4dc42bSEli Britstein mirred_ifindex); 9738c4dc42bSEli Britstein err = mlx5e_attach_encap(priv, 9748c4dc42bSEli Britstein &parse_attr->tun_info[out_index], 975c83954abSRabie Loulou out_dev, &encap_dev, flow, 9768c4dc42bSEli Britstein extack, out_index); 9778c4dc42bSEli Britstein if (err && err != -EAGAIN) 9783c37745eSOr Gerlitz goto err_attach_encap; 9798c4dc42bSEli Britstein if (err == -EAGAIN) 9808c4dc42bSEli Britstein encap_err = err; 9813c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 9823c37745eSOr Gerlitz rpriv = out_priv->ppriv; 9831cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 9841cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 9853c37745eSOr Gerlitz } 9863c37745eSOr Gerlitz 9878b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 988c83954abSRabie Loulou if (err) 989aa0cbbaeSOr Gerlitz goto err_add_vlan; 990adb4c123SOr Gerlitz 991d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9921a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 993d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 994c83954abSRabie Loulou if (err) 995d7e75a32SOr Gerlitz goto err_mod_hdr; 996d7e75a32SOr Gerlitz } 997d7e75a32SOr Gerlitz 998b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 999f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 1000b8aee822SMark Bloch if (IS_ERR(counter)) { 1001c83954abSRabie Loulou err = PTR_ERR(counter); 1002b8aee822SMark Bloch goto err_create_counter; 1003b8aee822SMark Bloch } 1004b8aee822SMark Bloch 1005b8aee822SMark Bloch attr->counter = counter; 1006b8aee822SMark Bloch } 1007b8aee822SMark Bloch 1008c83954abSRabie Loulou /* we get here if (1) there's no error or when 10093c37745eSOr Gerlitz * (2) there's an encap action and we're on -EAGAIN (no valid neigh) 10103c37745eSOr Gerlitz */ 10115dbe906fSPaul Blakey if (encap_err == -EAGAIN) { 10125dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 10135dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 10145dbe906fSPaul Blakey 10155dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 10165dbe906fSPaul Blakey } else { 10176d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 10185dbe906fSPaul Blakey } 10195dbe906fSPaul Blakey 1020c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 1021c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 1022aa0cbbaeSOr Gerlitz goto err_add_rule; 1023c83954abSRabie Loulou } 1024c83954abSRabie Loulou 10255dbe906fSPaul Blakey return 0; 1026aa0cbbaeSOr Gerlitz 1027aa0cbbaeSOr Gerlitz err_add_rule: 1028f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, counter); 1029b8aee822SMark Bloch err_create_counter: 1030513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10311a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1032d7e75a32SOr Gerlitz err_mod_hdr: 1033aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1034aa0cbbaeSOr Gerlitz err_add_vlan: 1035f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10368c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10378c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 10383c37745eSOr Gerlitz err_attach_encap: 1039bf07aa73SPaul Blakey err_max_prio_chain: 1040c83954abSRabie Loulou return err; 1041aa0cbbaeSOr Gerlitz } 1042d85cdccbSOr Gerlitz 1043d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1044d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1045d85cdccbSOr Gerlitz { 1046d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1047d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10485dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1049f493f155SEli Britstein int out_index; 1050d85cdccbSOr Gerlitz 10515dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 10525dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_SLOW) 10535dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10545dbe906fSPaul Blakey else 10555dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 10565dbe906fSPaul Blakey } 1057d85cdccbSOr Gerlitz 1058513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1059d85cdccbSOr Gerlitz 1060f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10618c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10628c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1063f493f155SEli Britstein kvfree(attr->parse_attr); 1064d7e75a32SOr Gerlitz 1065513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10661a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1067b8aee822SMark Bloch 1068b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1069f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1070d85cdccbSOr Gerlitz } 1071d85cdccbSOr Gerlitz 1072232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1073232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1074232c0013SHadar Hen Zion { 10753c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 10765dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 10776d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10786d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 107979baaec7SEli Britstein struct encap_flow_item *efi; 1080232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1081232c0013SHadar Hen Zion int err; 1082232c0013SHadar Hen Zion 108354c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 108454c177caSOz Shlomo e->reformat_type, 1085232c0013SHadar Hen Zion e->encap_size, e->encap_header, 108631ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1087232c0013SHadar Hen Zion &e->encap_id); 1088232c0013SHadar Hen Zion if (err) { 1089232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1090232c0013SHadar Hen Zion err); 1091232c0013SHadar Hen Zion return; 1092232c0013SHadar Hen Zion } 1093232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1094f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1095232c0013SHadar Hen Zion 109679baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 10978c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 10988c4dc42bSEli Britstein int i; 10998c4dc42bSEli Britstein 110079baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11013c37745eSOr Gerlitz esw_attr = flow->esw_attr; 11026d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 11036d2a3ed0SOr Gerlitz 11048c4dc42bSEli Britstein esw_attr->dests[efi->index].encap_id = e->encap_id; 11058c4dc42bSEli Britstein esw_attr->dests[efi->index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 11068c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 11078c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 11088c4dc42bSEli Britstein * a valid neighbour. 11098c4dc42bSEli Britstein */ 11108c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 11118c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 11128c4dc42bSEli Britstein continue; 11138c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 11148c4dc42bSEli Britstein all_flow_encaps_valid = false; 11158c4dc42bSEli Britstein break; 11168c4dc42bSEli Britstein } 11178c4dc42bSEli Britstein } 11188c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 11198c4dc42bSEli Britstein if (!all_flow_encaps_valid) 11208c4dc42bSEli Britstein continue; 11215dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 11226d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 11236d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 11246d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1125232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1126232c0013SHadar Hen Zion err); 1127232c0013SHadar Hen Zion continue; 1128232c0013SHadar Hen Zion } 11295dbe906fSPaul Blakey 11305dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 11315dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when slow path rule removed */ 11326d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1133232c0013SHadar Hen Zion } 1134232c0013SHadar Hen Zion } 1135232c0013SHadar Hen Zion 1136232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1137232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1138232c0013SHadar Hen Zion { 11393c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11405dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 11415dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11425dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 114379baaec7SEli Britstein struct encap_flow_item *efi; 1144232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 11455dbe906fSPaul Blakey int err; 1146232c0013SHadar Hen Zion 114779baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 114879baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11495dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 11505dbe906fSPaul Blakey 11515dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 11525dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 11538c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 11548c4dc42bSEli Britstein flow->esw_attr->dests[efi->index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 11555dbe906fSPaul Blakey 11565dbe906fSPaul Blakey if (IS_ERR(rule)) { 11575dbe906fSPaul Blakey err = PTR_ERR(rule); 11585dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 11595dbe906fSPaul Blakey err); 11605dbe906fSPaul Blakey continue; 11615dbe906fSPaul Blakey } 11625dbe906fSPaul Blakey 11636d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 11645dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when fast path rule removed */ 11655dbe906fSPaul Blakey flow->rule[0] = rule; 1166232c0013SHadar Hen Zion } 1167232c0013SHadar Hen Zion 116861c806daSOr Gerlitz /* we know that the encap is valid */ 1169232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 117060786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1171232c0013SHadar Hen Zion } 1172232c0013SHadar Hen Zion 1173b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1174b8aee822SMark Bloch { 1175b8aee822SMark Bloch if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1176b8aee822SMark Bloch return flow->esw_attr->counter; 1177b8aee822SMark Bloch else 1178b8aee822SMark Bloch return flow->nic_attr->counter; 1179b8aee822SMark Bloch } 1180b8aee822SMark Bloch 1181f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1182f6dfb4c3SHadar Hen Zion { 1183f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1184f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1185f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1186f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1187f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1188f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1189f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1190f6dfb4c3SHadar Hen Zion struct neighbour *n; 1191f6dfb4c3SHadar Hen Zion 1192f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1193f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1194f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1195f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1196423c9db2SOr Gerlitz tbl = &nd_tbl; 1197f6dfb4c3SHadar Hen Zion #endif 1198f6dfb4c3SHadar Hen Zion else 1199f6dfb4c3SHadar Hen Zion return; 1200f6dfb4c3SHadar Hen Zion 1201f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 120279baaec7SEli Britstein struct encap_flow_item *efi; 1203f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1204f6dfb4c3SHadar Hen Zion continue; 120579baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 120679baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 120779baaec7SEli Britstein encaps[efi->index]); 1208f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 1209b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 1210f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1211f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1212f6dfb4c3SHadar Hen Zion neigh_used = true; 1213f6dfb4c3SHadar Hen Zion break; 1214f6dfb4c3SHadar Hen Zion } 1215f6dfb4c3SHadar Hen Zion } 1216f6dfb4c3SHadar Hen Zion } 1217e36d4810SRoi Dayan if (neigh_used) 1218e36d4810SRoi Dayan break; 1219f6dfb4c3SHadar Hen Zion } 1220f6dfb4c3SHadar Hen Zion 1221f6dfb4c3SHadar Hen Zion if (neigh_used) { 1222f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1223f6dfb4c3SHadar Hen Zion 1224f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1225f6dfb4c3SHadar Hen Zion * dst ip pair 1226f6dfb4c3SHadar Hen Zion */ 1227f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1228c7f7ba8dSRoi Dayan if (!n) 1229f6dfb4c3SHadar Hen Zion return; 1230f6dfb4c3SHadar Hen Zion 1231f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1232f6dfb4c3SHadar Hen Zion neigh_release(n); 1233f6dfb4c3SHadar Hen Zion } 1234f6dfb4c3SHadar Hen Zion } 1235f6dfb4c3SHadar Hen Zion 1236d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 12378c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index) 1238d85cdccbSOr Gerlitz { 12398c4dc42bSEli Britstein struct list_head *next = flow->encaps[out_index].list.next; 12405067b602SRoi Dayan 12418c4dc42bSEli Britstein list_del(&flow->encaps[out_index].list); 12425067b602SRoi Dayan if (list_empty(next)) { 1243c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 12445067b602SRoi Dayan 1245c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1246232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1247232c0013SHadar Hen Zion 1248232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 124960786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1250232c0013SHadar Hen Zion 1251cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1252232c0013SHadar Hen Zion kfree(e->encap_header); 12535067b602SRoi Dayan kfree(e); 12545067b602SRoi Dayan } 12555067b602SRoi Dayan } 12565067b602SRoi Dayan 125704de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 125804de7ddaSRoi Dayan { 125904de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 126004de7ddaSRoi Dayan 126104de7ddaSRoi Dayan if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 126204de7ddaSRoi Dayan !(flow->flags & MLX5E_TC_FLOW_DUP)) 126304de7ddaSRoi Dayan return; 126404de7ddaSRoi Dayan 126504de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 126604de7ddaSRoi Dayan list_del(&flow->peer); 126704de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 126804de7ddaSRoi Dayan 126904de7ddaSRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_DUP; 127004de7ddaSRoi Dayan 127104de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 127204de7ddaSRoi Dayan kvfree(flow->peer_flow); 127304de7ddaSRoi Dayan flow->peer_flow = NULL; 127404de7ddaSRoi Dayan } 127504de7ddaSRoi Dayan 127604de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 127704de7ddaSRoi Dayan { 127804de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 127904de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 128004de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 128104de7ddaSRoi Dayan 128204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 128304de7ddaSRoi Dayan if (!peer_esw) 128404de7ddaSRoi Dayan return; 128504de7ddaSRoi Dayan 128604de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 128704de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 128804de7ddaSRoi Dayan } 128904de7ddaSRoi Dayan 1290e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1291961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1292e8f887acSAmir Vadai { 129304de7ddaSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 129404de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1295d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 129604de7ddaSRoi Dayan } else { 1297d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1298e8f887acSAmir Vadai } 129904de7ddaSRoi Dayan } 1300e8f887acSAmir Vadai 1301bbd00f7eSHadar Hen Zion 1302bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1303bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 130454c177caSOz Shlomo struct tc_cls_flower_offload *f, 130554c177caSOz Shlomo struct net_device *filter_dev) 1306bbd00f7eSHadar Hen Zion { 1307e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1308bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1309bbd00f7eSHadar Hen Zion outer_headers); 1310bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1311bbd00f7eSHadar Hen Zion outer_headers); 13128f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 13138f256622SPablo Neira Ayuso struct flow_match_control enc_control; 13148f256622SPablo Neira Ayuso int err; 1315bbd00f7eSHadar Hen Zion 1316101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 13174d70564dSOz Shlomo headers_c, headers_v); 131854c177caSOz Shlomo if (err) { 131954c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 132054c177caSOz Shlomo "failed to parse tunnel attributes"); 1321101f4de9SOz Shlomo return err; 1322bbd00f7eSHadar Hen Zion } 1323bbd00f7eSHadar Hen Zion 13248f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &enc_control); 13258f256622SPablo Neira Ayuso 13268f256622SPablo Neira Ayuso if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 13278f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 13288f256622SPablo Neira Ayuso 13298f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1330bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1331bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13328f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1333bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1334bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13358f256622SPablo Neira Ayuso ntohl(match.key->src)); 1336bbd00f7eSHadar Hen Zion 1337bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1338bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13398f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1340bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1341bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13428f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1343bbd00f7eSHadar Hen Zion 1344bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1345bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 13468f256622SPablo Neira Ayuso } else if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 13478f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 134819f44401SOr Gerlitz 13498f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 135019f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 135119f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13528f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 135319f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 135419f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13558f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 135619f44401SOr Gerlitz 135719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 135819f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 13598f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 136019f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 136119f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 13628f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 136319f44401SOr Gerlitz 136419f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 136519f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 13662e72eb43SOr Gerlitz } 1367bbd00f7eSHadar Hen Zion 13688f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 13698f256622SPablo Neira Ayuso struct flow_match_ip match; 1370bcef735cSOr Gerlitz 13718f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 13728f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 13738f256622SPablo Neira Ayuso match.mask->tos & 0x3); 13748f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 13758f256622SPablo Neira Ayuso match.key->tos & 0x3); 1376bcef735cSOr Gerlitz 13778f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 13788f256622SPablo Neira Ayuso match.mask->tos >> 2); 13798f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 13808f256622SPablo Neira Ayuso match.key->tos >> 2); 1381bcef735cSOr Gerlitz 13828f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 13838f256622SPablo Neira Ayuso match.mask->ttl); 13848f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 13858f256622SPablo Neira Ayuso match.key->ttl); 1386e98bedf5SEli Britstein 13878f256622SPablo Neira Ayuso if (match.mask->ttl && 1388e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1389e98bedf5SEli Britstein (priv->mdev, 1390e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1391e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1392e98bedf5SEli Britstein "Matching on TTL is not supported"); 1393e98bedf5SEli Britstein return -EOPNOTSUPP; 1394e98bedf5SEli Britstein } 1395e98bedf5SEli Britstein 1396bcef735cSOr Gerlitz } 1397bcef735cSOr Gerlitz 1398bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1399bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1400bbd00f7eSHadar Hen Zion */ 1401bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1402bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1403bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1404bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1405bbd00f7eSHadar Hen Zion 1406bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1407bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1408bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1409bbd00f7eSHadar Hen Zion 1410bbd00f7eSHadar Hen Zion return 0; 1411bbd00f7eSHadar Hen Zion } 1412bbd00f7eSHadar Hen Zion 1413de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1414de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1415de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 141654c177caSOz Shlomo struct net_device *filter_dev, 1417d708f902SOr Gerlitz u8 *match_level) 1418e3a2b7edSAmir Vadai { 1419e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1420c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1421c5bb1730SMaor Gottlieb outer_headers); 1422c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1423c5bb1730SMaor Gottlieb outer_headers); 1424699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1425699e96ddSJianbo Liu misc_parameters); 1426699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1427699e96ddSJianbo Liu misc_parameters); 14288f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 14298f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1430e3a2b7edSAmir Vadai u16 addr_type = 0; 1431e3a2b7edSAmir Vadai u8 ip_proto = 0; 1432e3a2b7edSAmir Vadai 1433d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1434de0af0bfSRoi Dayan 14358f256622SPablo Neira Ayuso if (dissector->used_keys & 1436e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1437e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1438e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1439095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1440699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1441e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1442e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1443bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1444bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1445bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1446bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1447bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1448e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1449fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1450bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 1451bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { 1452e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1453e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 14548f256622SPablo Neira Ayuso dissector->used_keys); 1455e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1456e3a2b7edSAmir Vadai } 1457e3a2b7edSAmir Vadai 14588f256622SPablo Neira Ayuso if ((flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 14598f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID) || 14608f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 14618f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 14628f256622SPablo Neira Ayuso struct flow_match_control match; 14638f256622SPablo Neira Ayuso 14648f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &match); 14658f256622SPablo Neira Ayuso switch (match.key->addr_type) { 1466bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 146719f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 146854c177caSOz Shlomo if (parse_tunnel_attr(priv, spec, f, filter_dev)) 1469bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1470bbd00f7eSHadar Hen Zion break; 1471bbd00f7eSHadar Hen Zion default: 1472bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1473bbd00f7eSHadar Hen Zion } 1474bbd00f7eSHadar Hen Zion 1475bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1476bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1477bbd00f7eSHadar Hen Zion */ 1478bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1479bbd00f7eSHadar Hen Zion inner_headers); 1480bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1481bbd00f7eSHadar Hen Zion inner_headers); 1482bbd00f7eSHadar Hen Zion } 1483bbd00f7eSHadar Hen Zion 14848f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 14858f256622SPablo Neira Ayuso struct flow_match_basic match; 1486e3a2b7edSAmir Vadai 14878f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 14888f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 14898f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 14908f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 14918f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 14928f256622SPablo Neira Ayuso 14938f256622SPablo Neira Ayuso if (match.mask->n_proto) 1494d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1495e3a2b7edSAmir Vadai } 1496e3a2b7edSAmir Vadai 14978f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) { 14988f256622SPablo Neira Ayuso struct flow_match_vlan match; 14998f256622SPablo Neira Ayuso 15008f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15018f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15028f256622SPablo Neira Ayuso match.mask->vlan_priority || 15038f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15048f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1505699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1506699e96ddSJianbo Liu svlan_tag, 1); 1507699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1508699e96ddSJianbo Liu svlan_tag, 1); 1509699e96ddSJianbo Liu } else { 1510699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1511699e96ddSJianbo Liu cvlan_tag, 1); 1512699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1513699e96ddSJianbo Liu cvlan_tag, 1); 1514699e96ddSJianbo Liu } 1515095b6cfdSOr Gerlitz 15168f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 15178f256622SPablo Neira Ayuso match.mask->vlan_id); 15188f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 15198f256622SPablo Neira Ayuso match.key->vlan_id); 1520358d79a4SOr Gerlitz 15218f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 15228f256622SPablo Neira Ayuso match.mask->vlan_priority); 15238f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 15248f256622SPablo Neira Ayuso match.key->vlan_priority); 152554782900SOr Gerlitz 1526d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1527095b6cfdSOr Gerlitz } 1528d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1529cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1530cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1531d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1532095b6cfdSOr Gerlitz } 1533095b6cfdSOr Gerlitz 15348f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 15358f256622SPablo Neira Ayuso struct flow_match_vlan match; 15368f256622SPablo Neira Ayuso 15378f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15388f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15398f256622SPablo Neira Ayuso match.mask->vlan_priority || 15408f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15418f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1542699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1543699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1544699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1545699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1546699e96ddSJianbo Liu } else { 1547699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1548699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1549699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1550699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1551699e96ddSJianbo Liu } 1552699e96ddSJianbo Liu 1553699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 15548f256622SPablo Neira Ayuso match.mask->vlan_id); 1555699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 15568f256622SPablo Neira Ayuso match.key->vlan_id); 1557699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 15588f256622SPablo Neira Ayuso match.mask->vlan_priority); 1559699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 15608f256622SPablo Neira Ayuso match.key->vlan_priority); 1561699e96ddSJianbo Liu 1562699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1563699e96ddSJianbo Liu } 1564699e96ddSJianbo Liu } 1565699e96ddSJianbo Liu 15668f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 15678f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 156854782900SOr Gerlitz 15698f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1570d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1571d3a80bb5SOr Gerlitz dmac_47_16), 15728f256622SPablo Neira Ayuso match.mask->dst); 1573d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1574d3a80bb5SOr Gerlitz dmac_47_16), 15758f256622SPablo Neira Ayuso match.key->dst); 1576d3a80bb5SOr Gerlitz 1577d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1578d3a80bb5SOr Gerlitz smac_47_16), 15798f256622SPablo Neira Ayuso match.mask->src); 1580d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1581d3a80bb5SOr Gerlitz smac_47_16), 15828f256622SPablo Neira Ayuso match.key->src); 1583d3a80bb5SOr Gerlitz 15848f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 15858f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1586d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 158754782900SOr Gerlitz } 158854782900SOr Gerlitz 15898f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 15908f256622SPablo Neira Ayuso struct flow_match_control match; 159154782900SOr Gerlitz 15928f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 15938f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 159454782900SOr Gerlitz 159554782900SOr Gerlitz /* the HW doesn't support frag first/later */ 15968f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 159754782900SOr Gerlitz return -EOPNOTSUPP; 159854782900SOr Gerlitz 15998f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 160054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 160154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 16028f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 160354782900SOr Gerlitz 160454782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 16058f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 160683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 160754782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 160854782900SOr Gerlitz else 160983621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 161054782900SOr Gerlitz } 161154782900SOr Gerlitz } 161254782900SOr Gerlitz 16138f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 16148f256622SPablo Neira Ayuso struct flow_match_basic match; 16158f256622SPablo Neira Ayuso 16168f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 16178f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 161854782900SOr Gerlitz 161954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 16208f256622SPablo Neira Ayuso match.mask->ip_proto); 162154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 16228f256622SPablo Neira Ayuso match.key->ip_proto); 162354782900SOr Gerlitz 16248f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1625d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 162654782900SOr Gerlitz } 162754782900SOr Gerlitz 1628e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 16298f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1630e3a2b7edSAmir Vadai 16318f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1632e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1633e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16348f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1635e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1636e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16378f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1638e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1639e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16408f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1641e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1642e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16438f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1644de0af0bfSRoi Dayan 16458f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1646d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1647e3a2b7edSAmir Vadai } 1648e3a2b7edSAmir Vadai 1649e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 16508f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1651e3a2b7edSAmir Vadai 16528f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1653e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1654e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 16558f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1656e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1657e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 16588f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1659e3a2b7edSAmir Vadai 1660e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1661e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16628f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1663e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1664e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16658f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1666de0af0bfSRoi Dayan 16678f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 16688f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 1669d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1670e3a2b7edSAmir Vadai } 1671e3a2b7edSAmir Vadai 16728f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 16738f256622SPablo Neira Ayuso struct flow_match_ip match; 16741f97a526SOr Gerlitz 16758f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 16768f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 16778f256622SPablo Neira Ayuso match.mask->tos & 0x3); 16788f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 16798f256622SPablo Neira Ayuso match.key->tos & 0x3); 16801f97a526SOr Gerlitz 16818f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 16828f256622SPablo Neira Ayuso match.mask->tos >> 2); 16838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 16848f256622SPablo Neira Ayuso match.key->tos >> 2); 16851f97a526SOr Gerlitz 16868f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 16878f256622SPablo Neira Ayuso match.mask->ttl); 16888f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 16898f256622SPablo Neira Ayuso match.key->ttl); 16901f97a526SOr Gerlitz 16918f256622SPablo Neira Ayuso if (match.mask->ttl && 1692a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1693e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1694e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1695e98bedf5SEli Britstein "Matching on TTL is not supported"); 16961f97a526SOr Gerlitz return -EOPNOTSUPP; 1697e98bedf5SEli Britstein } 1698a8ade55fSOr Gerlitz 16998f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 1700d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 17011f97a526SOr Gerlitz } 17021f97a526SOr Gerlitz 170354782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 170454782900SOr Gerlitz 17058f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 17068f256622SPablo Neira Ayuso struct flow_match_ports match; 17078f256622SPablo Neira Ayuso 17088f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 1709e3a2b7edSAmir Vadai switch (ip_proto) { 1710e3a2b7edSAmir Vadai case IPPROTO_TCP: 1711e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17128f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 1713e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17148f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 1715e3a2b7edSAmir Vadai 1716e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17178f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 1718e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17198f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 1720e3a2b7edSAmir Vadai break; 1721e3a2b7edSAmir Vadai 1722e3a2b7edSAmir Vadai case IPPROTO_UDP: 1723e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17248f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 1725e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17268f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 1727e3a2b7edSAmir Vadai 1728e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17298f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 1730e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17318f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 1732e3a2b7edSAmir Vadai break; 1733e3a2b7edSAmir Vadai default: 1734e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1735e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1736e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1737e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1738e3a2b7edSAmir Vadai return -EINVAL; 1739e3a2b7edSAmir Vadai } 1740de0af0bfSRoi Dayan 17418f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1742d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1743e3a2b7edSAmir Vadai } 1744e3a2b7edSAmir Vadai 17458f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 17468f256622SPablo Neira Ayuso struct flow_match_tcp match; 1747e77834ecSOr Gerlitz 17488f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 1749e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 17508f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 1751e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 17528f256622SPablo Neira Ayuso ntohs(match.key->flags)); 1753e77834ecSOr Gerlitz 17548f256622SPablo Neira Ayuso if (match.mask->flags) 1755d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1756e77834ecSOr Gerlitz } 1757e77834ecSOr Gerlitz 1758e3a2b7edSAmir Vadai return 0; 1759e3a2b7edSAmir Vadai } 1760e3a2b7edSAmir Vadai 1761de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 176265ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1763de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 176454c177caSOz Shlomo struct tc_cls_flower_offload *f, 176554c177caSOz Shlomo struct net_device *filter_dev) 1766de0af0bfSRoi Dayan { 1767e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1768de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1769de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 17701d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 17711d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1772d708f902SOr Gerlitz u8 match_level; 1773de0af0bfSRoi Dayan int err; 1774de0af0bfSRoi Dayan 177554c177caSOz Shlomo err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level); 1776de0af0bfSRoi Dayan 17771d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 17781d447a39SSaeed Mahameed rep = rpriv->rep; 17791d447a39SSaeed Mahameed if (rep->vport != FDB_UPLINK_VPORT && 17801d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1781d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1782e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1783e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1784de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1785de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1786d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1787de0af0bfSRoi Dayan return -EOPNOTSUPP; 1788de0af0bfSRoi Dayan } 1789de0af0bfSRoi Dayan } 1790de0af0bfSRoi Dayan 179138aa51c1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 179238aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 179338aa51c1SOr Gerlitz else 179438aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 179538aa51c1SOr Gerlitz 1796de0af0bfSRoi Dayan return err; 1797de0af0bfSRoi Dayan } 1798de0af0bfSRoi Dayan 1799d79b6df6SOr Gerlitz struct pedit_headers { 1800d79b6df6SOr Gerlitz struct ethhdr eth; 1801d79b6df6SOr Gerlitz struct iphdr ip4; 1802d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1803d79b6df6SOr Gerlitz struct tcphdr tcp; 1804d79b6df6SOr Gerlitz struct udphdr udp; 1805d79b6df6SOr Gerlitz }; 1806d79b6df6SOr Gerlitz 1807d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 1808d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 1809d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 1810d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 1811d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 1812d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1813d79b6df6SOr Gerlitz }; 1814d79b6df6SOr Gerlitz 1815d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1816d79b6df6SOr Gerlitz 1817d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1818d79b6df6SOr Gerlitz struct pedit_headers *masks, 1819d79b6df6SOr Gerlitz struct pedit_headers *vals) 1820d79b6df6SOr Gerlitz { 1821d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1822d79b6df6SOr Gerlitz 1823d79b6df6SOr Gerlitz if (hdr_type >= __PEDIT_HDR_TYPE_MAX) 1824d79b6df6SOr Gerlitz goto out_err; 1825d79b6df6SOr Gerlitz 1826d79b6df6SOr Gerlitz curr_pmask = (u32 *)(pedit_header(masks, hdr_type) + offset); 1827d79b6df6SOr Gerlitz curr_pval = (u32 *)(pedit_header(vals, hdr_type) + offset); 1828d79b6df6SOr Gerlitz 1829d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1830d79b6df6SOr Gerlitz goto out_err; 1831d79b6df6SOr Gerlitz 1832d79b6df6SOr Gerlitz *curr_pmask |= mask; 1833d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1834d79b6df6SOr Gerlitz 1835d79b6df6SOr Gerlitz return 0; 1836d79b6df6SOr Gerlitz 1837d79b6df6SOr Gerlitz out_err: 1838d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1839d79b6df6SOr Gerlitz } 1840d79b6df6SOr Gerlitz 1841d79b6df6SOr Gerlitz struct mlx5_fields { 1842d79b6df6SOr Gerlitz u8 field; 1843d79b6df6SOr Gerlitz u8 size; 1844d79b6df6SOr Gerlitz u32 offset; 1845d79b6df6SOr Gerlitz }; 1846d79b6df6SOr Gerlitz 1847a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1848a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1849a8e4f0c4SOr Gerlitz 1850d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1851a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1852a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1853a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1854a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1855a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 1856d79b6df6SOr Gerlitz 1857a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1858a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1859a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1860d79b6df6SOr Gerlitz 1861a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1862a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1863a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1864a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1865a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1866a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1867a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1868a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 18690c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1870d79b6df6SOr Gerlitz 1871a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1872a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1873a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1874d79b6df6SOr Gerlitz 1875a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1876a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1877d79b6df6SOr Gerlitz }; 1878d79b6df6SOr Gerlitz 1879d79b6df6SOr Gerlitz /* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at 1880d79b6df6SOr Gerlitz * max from the SW pedit action. On success, it says how many HW actions were 1881d79b6df6SOr Gerlitz * actually parsed. 1882d79b6df6SOr Gerlitz */ 1883d79b6df6SOr Gerlitz static int offload_pedit_fields(struct pedit_headers *masks, 1884d79b6df6SOr Gerlitz struct pedit_headers *vals, 1885e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1886e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1887d79b6df6SOr Gerlitz { 1888d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 18892b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1890d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1891d79b6df6SOr Gerlitz struct mlx5_fields *f; 1892d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1893e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1894d79b6df6SOr Gerlitz unsigned long mask; 18952b64bebaSOr Gerlitz __be32 mask_be32; 18962b64bebaSOr Gerlitz __be16 mask_be16; 1897d79b6df6SOr Gerlitz void *action; 1898d79b6df6SOr Gerlitz 1899d79b6df6SOr Gerlitz set_masks = &masks[TCA_PEDIT_KEY_EX_CMD_SET]; 1900d79b6df6SOr Gerlitz add_masks = &masks[TCA_PEDIT_KEY_EX_CMD_ADD]; 1901d79b6df6SOr Gerlitz set_vals = &vals[TCA_PEDIT_KEY_EX_CMD_SET]; 1902d79b6df6SOr Gerlitz add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD]; 1903d79b6df6SOr Gerlitz 1904d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1905d79b6df6SOr Gerlitz action = parse_attr->mod_hdr_actions; 1906d79b6df6SOr Gerlitz max_actions = parse_attr->num_mod_hdr_actions; 1907d79b6df6SOr Gerlitz nactions = 0; 1908d79b6df6SOr Gerlitz 1909d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1910d79b6df6SOr Gerlitz f = &fields[i]; 1911d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1912e3ca4e05SOr Gerlitz s_mask = 0; 1913e3ca4e05SOr Gerlitz a_mask = 0; 1914d79b6df6SOr Gerlitz 1915d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1916d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1917d79b6df6SOr Gerlitz 1918d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1919d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1920d79b6df6SOr Gerlitz 1921d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1922d79b6df6SOr Gerlitz continue; 1923d79b6df6SOr Gerlitz 1924d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1925e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1926e98bedf5SEli Britstein "can't set and add to the same HW field"); 1927d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1928d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1929d79b6df6SOr Gerlitz } 1930d79b6df6SOr Gerlitz 1931d79b6df6SOr Gerlitz if (nactions == max_actions) { 1932e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1933e98bedf5SEli Britstein "too many pedit actions, can't offload"); 1934d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1935d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1936d79b6df6SOr Gerlitz } 1937d79b6df6SOr Gerlitz 1938d79b6df6SOr Gerlitz if (s_mask) { 1939d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1940d79b6df6SOr Gerlitz mask = s_mask; 1941d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1942d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1943d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1944d79b6df6SOr Gerlitz } else { 1945d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1946d79b6df6SOr Gerlitz mask = a_mask; 1947d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1948d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1949d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1950d79b6df6SOr Gerlitz } 1951d79b6df6SOr Gerlitz 1952d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1953e3ca4e05SOr Gerlitz 19542b64bebaSOr Gerlitz if (field_bsize == 32) { 19552b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 19562b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 19572b64bebaSOr Gerlitz } else if (field_bsize == 16) { 19582b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 19592b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 19602b64bebaSOr Gerlitz } 19612b64bebaSOr Gerlitz 1962d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 19632b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1964d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 19652b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 1966e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1967e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 19682b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 1969d79b6df6SOr Gerlitz mask); 1970d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1971d79b6df6SOr Gerlitz } 1972d79b6df6SOr Gerlitz 1973d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 1974d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 1975d79b6df6SOr Gerlitz 1976d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 19772b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 1978d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 19792b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 1980d79b6df6SOr Gerlitz } 1981d79b6df6SOr Gerlitz 1982d79b6df6SOr Gerlitz if (field_bsize == 32) 19832b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 1984d79b6df6SOr Gerlitz else if (field_bsize == 16) 19852b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 1986d79b6df6SOr Gerlitz else if (field_bsize == 8) 19872b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 1988d79b6df6SOr Gerlitz 1989d79b6df6SOr Gerlitz action += action_size; 1990d79b6df6SOr Gerlitz nactions++; 1991d79b6df6SOr Gerlitz } 1992d79b6df6SOr Gerlitz 1993d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 1994d79b6df6SOr Gerlitz return 0; 1995d79b6df6SOr Gerlitz } 1996d79b6df6SOr Gerlitz 1997d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 1998d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1999d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2000d79b6df6SOr Gerlitz { 2001d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2002d79b6df6SOr Gerlitz 2003d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2004d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2005d79b6df6SOr Gerlitz 2006d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 2007d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 2008d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 2009d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 2010d79b6df6SOr Gerlitz 2011d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2012d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2013d79b6df6SOr Gerlitz 2014d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2015d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2016d79b6df6SOr Gerlitz return -ENOMEM; 2017d79b6df6SOr Gerlitz 2018d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = max_actions; 2019d79b6df6SOr Gerlitz return 0; 2020d79b6df6SOr Gerlitz } 2021d79b6df6SOr Gerlitz 2022d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2023d79b6df6SOr Gerlitz 2024d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2025d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 2026e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2027e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2028d79b6df6SOr Gerlitz { 2029d79b6df6SOr Gerlitz struct pedit_headers masks[__PEDIT_CMD_MAX], vals[__PEDIT_CMD_MAX], *cmd_masks; 2030d79b6df6SOr Gerlitz int nkeys, i, err = -EOPNOTSUPP; 2031d79b6df6SOr Gerlitz u32 mask, val, offset; 2032d79b6df6SOr Gerlitz u8 cmd, htype; 2033d79b6df6SOr Gerlitz 2034d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2035d79b6df6SOr Gerlitz 2036d79b6df6SOr Gerlitz memset(masks, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 2037d79b6df6SOr Gerlitz memset(vals, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 2038d79b6df6SOr Gerlitz 2039d79b6df6SOr Gerlitz for (i = 0; i < nkeys; i++) { 2040d79b6df6SOr Gerlitz htype = tcf_pedit_htype(a, i); 2041d79b6df6SOr Gerlitz cmd = tcf_pedit_cmd(a, i); 2042d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2043d79b6df6SOr Gerlitz 2044d79b6df6SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK) { 2045e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2046e98bedf5SEli Britstein "legacy pedit isn't offloaded"); 2047d79b6df6SOr Gerlitz goto out_err; 2048d79b6df6SOr Gerlitz } 2049d79b6df6SOr Gerlitz 2050d79b6df6SOr Gerlitz if (cmd != TCA_PEDIT_KEY_EX_CMD_SET && cmd != TCA_PEDIT_KEY_EX_CMD_ADD) { 2051e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "pedit cmd isn't offloaded"); 2052d79b6df6SOr Gerlitz goto out_err; 2053d79b6df6SOr Gerlitz } 2054d79b6df6SOr Gerlitz 2055d79b6df6SOr Gerlitz mask = tcf_pedit_mask(a, i); 2056d79b6df6SOr Gerlitz val = tcf_pedit_val(a, i); 2057d79b6df6SOr Gerlitz offset = tcf_pedit_offset(a, i); 2058d79b6df6SOr Gerlitz 2059d79b6df6SOr Gerlitz err = set_pedit_val(htype, ~mask, val, offset, &masks[cmd], &vals[cmd]); 2060d79b6df6SOr Gerlitz if (err) 2061d79b6df6SOr Gerlitz goto out_err; 2062d79b6df6SOr Gerlitz } 2063d79b6df6SOr Gerlitz 2064d79b6df6SOr Gerlitz err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); 2065d79b6df6SOr Gerlitz if (err) 2066d79b6df6SOr Gerlitz goto out_err; 2067d79b6df6SOr Gerlitz 2068e98bedf5SEli Britstein err = offload_pedit_fields(masks, vals, parse_attr, extack); 2069d79b6df6SOr Gerlitz if (err < 0) 2070d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2071d79b6df6SOr Gerlitz 2072d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2073d79b6df6SOr Gerlitz cmd_masks = &masks[cmd]; 2074d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2075e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2076e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2077b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2078d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2079d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2080d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2081d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2082d79b6df6SOr Gerlitz } 2083d79b6df6SOr Gerlitz } 2084d79b6df6SOr Gerlitz 2085d79b6df6SOr Gerlitz return 0; 2086d79b6df6SOr Gerlitz 2087d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2088d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2089d79b6df6SOr Gerlitz out_err: 2090d79b6df6SOr Gerlitz return err; 2091d79b6df6SOr Gerlitz } 2092d79b6df6SOr Gerlitz 2093e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2094e98bedf5SEli Britstein u32 action, 2095e98bedf5SEli Britstein u32 update_flags, 2096e98bedf5SEli Britstein struct netlink_ext_ack *extack) 209726c02749SOr Gerlitz { 209826c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 209926c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 210026c02749SOr Gerlitz 210126c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 210226c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2103e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2104e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 210526c02749SOr Gerlitz netdev_warn(priv->netdev, 210626c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 210726c02749SOr Gerlitz return false; 210826c02749SOr Gerlitz } 210926c02749SOr Gerlitz 211026c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2111e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2112e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 211326c02749SOr Gerlitz netdev_warn(priv->netdev, 211426c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 211526c02749SOr Gerlitz update_flags); 211626c02749SOr Gerlitz return false; 211726c02749SOr Gerlitz } 211826c02749SOr Gerlitz 211926c02749SOr Gerlitz return true; 212026c02749SOr Gerlitz } 212126c02749SOr Gerlitz 2122bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 2123e98bedf5SEli Britstein struct tcf_exts *exts, 2124e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2125bdd66ac0SOr Gerlitz { 2126bdd66ac0SOr Gerlitz const struct tc_action *a; 2127bdd66ac0SOr Gerlitz bool modify_ip_header; 2128bdd66ac0SOr Gerlitz u8 htype, ip_proto; 2129bdd66ac0SOr Gerlitz void *headers_v; 2130bdd66ac0SOr Gerlitz u16 ethertype; 2131bdd66ac0SOr Gerlitz int nkeys, i; 2132bdd66ac0SOr Gerlitz 2133bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 2134bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2135bdd66ac0SOr Gerlitz 2136bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2137bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2138bdd66ac0SOr Gerlitz goto out_ok; 2139bdd66ac0SOr Gerlitz 2140bdd66ac0SOr Gerlitz modify_ip_header = false; 2141244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 2142244cd96aSCong Wang int k; 2143244cd96aSCong Wang 2144bdd66ac0SOr Gerlitz if (!is_tcf_pedit(a)) 2145bdd66ac0SOr Gerlitz continue; 2146bdd66ac0SOr Gerlitz 2147bdd66ac0SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 2148244cd96aSCong Wang for (k = 0; k < nkeys; k++) { 2149244cd96aSCong Wang htype = tcf_pedit_htype(a, k); 2150bdd66ac0SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP4 || 2151bdd66ac0SOr Gerlitz htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP6) { 2152bdd66ac0SOr Gerlitz modify_ip_header = true; 2153bdd66ac0SOr Gerlitz break; 2154bdd66ac0SOr Gerlitz } 2155bdd66ac0SOr Gerlitz } 2156bdd66ac0SOr Gerlitz } 2157bdd66ac0SOr Gerlitz 2158bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 21591ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 21601ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2161e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2162e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2163bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2164bdd66ac0SOr Gerlitz return false; 2165bdd66ac0SOr Gerlitz } 2166bdd66ac0SOr Gerlitz 2167bdd66ac0SOr Gerlitz out_ok: 2168bdd66ac0SOr Gerlitz return true; 2169bdd66ac0SOr Gerlitz } 2170bdd66ac0SOr Gerlitz 2171bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 2172bdd66ac0SOr Gerlitz struct tcf_exts *exts, 2173bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2174e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2175e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2176bdd66ac0SOr Gerlitz { 2177bdd66ac0SOr Gerlitz u32 actions; 2178bdd66ac0SOr Gerlitz 2179bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2180bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2181bdd66ac0SOr Gerlitz else 2182bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2183bdd66ac0SOr Gerlitz 21847e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 21857e29392eSRoi Dayan !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) 21867e29392eSRoi Dayan return false; 21877e29392eSRoi Dayan 2188bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 2189e98bedf5SEli Britstein return modify_header_match_supported(&parse_attr->spec, exts, 2190e98bedf5SEli Britstein extack); 2191bdd66ac0SOr Gerlitz 2192bdd66ac0SOr Gerlitz return true; 2193bdd66ac0SOr Gerlitz } 2194bdd66ac0SOr Gerlitz 21955c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 21965c65c564SOr Gerlitz { 21975c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2198816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 21995c65c564SOr Gerlitz 22005c65c564SOr Gerlitz fmdev = priv->mdev; 22015c65c564SOr Gerlitz pmdev = peer_priv->mdev; 22025c65c564SOr Gerlitz 220359c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 220459c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 22055c65c564SOr Gerlitz 2206816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 22075c65c564SOr Gerlitz } 22085c65c564SOr Gerlitz 22095c40348cSOr Gerlitz static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2210aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2211e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2212e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2213e3a2b7edSAmir Vadai { 2214aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 2215e3a2b7edSAmir Vadai const struct tc_action *a; 22161cab1cd7SOr Gerlitz u32 action = 0; 2217244cd96aSCong Wang int err, i; 2218e3a2b7edSAmir Vadai 22193bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 2220e3a2b7edSAmir Vadai return -EINVAL; 2221e3a2b7edSAmir Vadai 22223bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2223e3a2b7edSAmir Vadai 2224244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 2225e3a2b7edSAmir Vadai if (is_tcf_gact_shot(a)) { 22261cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2227aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2228aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 22291cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2230e3a2b7edSAmir Vadai continue; 2231e3a2b7edSAmir Vadai } 2232e3a2b7edSAmir Vadai 22332f4fe4caSOr Gerlitz if (is_tcf_pedit(a)) { 22342f4fe4caSOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_KERNEL, 2235e98bedf5SEli Britstein parse_attr, extack); 22362f4fe4caSOr Gerlitz if (err) 22372f4fe4caSOr Gerlitz return err; 22382f4fe4caSOr Gerlitz 22391cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 22402f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 22412f4fe4caSOr Gerlitz continue; 22422f4fe4caSOr Gerlitz } 22432f4fe4caSOr Gerlitz 224426c02749SOr Gerlitz if (is_tcf_csum(a)) { 22451cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 2246e98bedf5SEli Britstein tcf_csum_update_flags(a), 2247e98bedf5SEli Britstein extack)) 224826c02749SOr Gerlitz continue; 224926c02749SOr Gerlitz 225026c02749SOr Gerlitz return -EOPNOTSUPP; 225126c02749SOr Gerlitz } 225226c02749SOr Gerlitz 22535c65c564SOr Gerlitz if (is_tcf_mirred_egress_redirect(a)) { 22545c65c564SOr Gerlitz struct net_device *peer_dev = tcf_mirred_dev(a); 22555c65c564SOr Gerlitz 22565c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 22575c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 225898b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 22595c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 22601cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 22615c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 22625c65c564SOr Gerlitz } else { 2263e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2264e98bedf5SEli Britstein "device is not on same HW, can't offload"); 22655c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 22665c65c564SOr Gerlitz peer_dev->name); 22675c65c564SOr Gerlitz return -EINVAL; 22685c65c564SOr Gerlitz } 22695c65c564SOr Gerlitz continue; 22705c65c564SOr Gerlitz } 22715c65c564SOr Gerlitz 2272e3a2b7edSAmir Vadai if (is_tcf_skbedit_mark(a)) { 2273e3a2b7edSAmir Vadai u32 mark = tcf_skbedit_mark(a); 2274e3a2b7edSAmir Vadai 2275e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2276e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2277e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2278e3a2b7edSAmir Vadai return -EINVAL; 2279e3a2b7edSAmir Vadai } 2280e3a2b7edSAmir Vadai 22813bc4b7bfSOr Gerlitz attr->flow_tag = mark; 22821cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2283e3a2b7edSAmir Vadai continue; 2284e3a2b7edSAmir Vadai } 2285e3a2b7edSAmir Vadai 2286e3a2b7edSAmir Vadai return -EINVAL; 2287e3a2b7edSAmir Vadai } 2288e3a2b7edSAmir Vadai 22891cab1cd7SOr Gerlitz attr->action = action; 2290e98bedf5SEli Britstein if (!actions_match_supported(priv, exts, parse_attr, flow, extack)) 2291bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2292bdd66ac0SOr Gerlitz 2293e3a2b7edSAmir Vadai return 0; 2294e3a2b7edSAmir Vadai } 2295e3a2b7edSAmir Vadai 229676f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 229776f7444dSOr Gerlitz struct ip_tunnel_key *b) 2298a54e20b4SHadar Hen Zion { 2299a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2300a54e20b4SHadar Hen Zion } 2301a54e20b4SHadar Hen Zion 230276f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2303a54e20b4SHadar Hen Zion { 230476f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2305a54e20b4SHadar Hen Zion } 2306a54e20b4SHadar Hen Zion 2307a54e20b4SHadar Hen Zion 2308b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2309b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2310b1d90e6bSRabie Loulou { 2311b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2312b1d90e6bSRabie Loulou 2313b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2314b1d90e6bSRabie Loulou 2315b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 2316b1d90e6bSRabie Loulou (priv->netdev->netdev_ops == peer_netdev->netdev_ops) && 2317b1d90e6bSRabie Loulou same_hw_devs(priv, peer_priv) && 2318b1d90e6bSRabie Loulou MLX5_VPORT_MANAGER(peer_priv->mdev) && 2319b1d90e6bSRabie Loulou (peer_priv->mdev->priv.eswitch->mode == SRIOV_OFFLOADS)); 2320b1d90e6bSRabie Loulou } 2321b1d90e6bSRabie Loulou 2322ce99f6b9SOr Gerlitz 232354c177caSOz Shlomo 2324a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2325a54e20b4SHadar Hen Zion struct ip_tunnel_info *tun_info, 2326a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 232745247bf2SOr Gerlitz struct net_device **encap_dev, 2328e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 23298c4dc42bSEli Britstein struct netlink_ext_ack *extack, 23308c4dc42bSEli Britstein int out_index) 233103a9d11eSOr Gerlitz { 2332a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2333a54e20b4SHadar Hen Zion unsigned short family = ip_tunnel_info_af(tun_info); 233445247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2335a54e20b4SHadar Hen Zion struct ip_tunnel_key *key = &tun_info->key; 2336c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2337a54e20b4SHadar Hen Zion uintptr_t hash_key; 2338a54e20b4SHadar Hen Zion bool found = false; 233954c177caSOz Shlomo int err = 0; 2340a54e20b4SHadar Hen Zion 234176f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2342a54e20b4SHadar Hen Zion 2343a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2344a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 234576f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2346a54e20b4SHadar Hen Zion found = true; 2347a54e20b4SHadar Hen Zion break; 2348a54e20b4SHadar Hen Zion } 2349a54e20b4SHadar Hen Zion } 2350a54e20b4SHadar Hen Zion 2351b2812089SVlad Buslov /* must verify if encap is valid or not */ 235245247bf2SOr Gerlitz if (found) 235345247bf2SOr Gerlitz goto attach_flow; 2354a54e20b4SHadar Hen Zion 2355a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2356a54e20b4SHadar Hen Zion if (!e) 2357a54e20b4SHadar Hen Zion return -ENOMEM; 2358a54e20b4SHadar Hen Zion 235976f7444dSOr Gerlitz e->tun_info = *tun_info; 2360101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 236154c177caSOz Shlomo if (err) 236254c177caSOz Shlomo goto out_err; 236354c177caSOz Shlomo 2364a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2365a54e20b4SHadar Hen Zion 2366ce99f6b9SOr Gerlitz if (family == AF_INET) 2367101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2368ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2369101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2370ce99f6b9SOr Gerlitz 2371232c0013SHadar Hen Zion if (err && err != -EAGAIN) 2372a54e20b4SHadar Hen Zion goto out_err; 2373a54e20b4SHadar Hen Zion 2374a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2375a54e20b4SHadar Hen Zion 237645247bf2SOr Gerlitz attach_flow: 23778c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 23788c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 237945247bf2SOr Gerlitz *encap_dev = e->out_dev; 23808c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 23818c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 23828c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 23838c4dc42bSEli Britstein } else { 2384b2812089SVlad Buslov err = -EAGAIN; 23858c4dc42bSEli Britstein } 238645247bf2SOr Gerlitz 2387232c0013SHadar Hen Zion return err; 2388a54e20b4SHadar Hen Zion 2389a54e20b4SHadar Hen Zion out_err: 2390a54e20b4SHadar Hen Zion kfree(e); 2391a54e20b4SHadar Hen Zion return err; 2392a54e20b4SHadar Hen Zion } 2393a54e20b4SHadar Hen Zion 23941482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 23951482bd3dSJianbo Liu const struct tc_action *a, 23961482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 23971482bd3dSJianbo Liu u32 *action) 23981482bd3dSJianbo Liu { 2399cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2400cc495188SJianbo Liu 2401cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 24021482bd3dSJianbo Liu return -EOPNOTSUPP; 2403cc495188SJianbo Liu 2404cc495188SJianbo Liu if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { 2405cc495188SJianbo Liu if (vlan_idx) { 2406cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2407cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2408cc495188SJianbo Liu return -EOPNOTSUPP; 2409cc495188SJianbo Liu 2410cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2411cc495188SJianbo Liu } else { 2412cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2413cc495188SJianbo Liu } 2414cc495188SJianbo Liu } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { 2415cc495188SJianbo Liu attr->vlan_vid[vlan_idx] = tcf_vlan_push_vid(a); 2416cc495188SJianbo Liu attr->vlan_prio[vlan_idx] = tcf_vlan_push_prio(a); 2417cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = tcf_vlan_push_proto(a); 2418cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2419cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2420cc495188SJianbo Liu 2421cc495188SJianbo Liu if (vlan_idx) { 2422cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2423cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2424cc495188SJianbo Liu return -EOPNOTSUPP; 2425cc495188SJianbo Liu 2426cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2427cc495188SJianbo Liu } else { 2428cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 2429cc495188SJianbo Liu (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || 2430cc495188SJianbo Liu tcf_vlan_push_prio(a))) 2431cc495188SJianbo Liu return -EOPNOTSUPP; 2432cc495188SJianbo Liu 2433cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 24341482bd3dSJianbo Liu } 24351482bd3dSJianbo Liu } else { /* action is TCA_VLAN_ACT_MODIFY */ 24361482bd3dSJianbo Liu return -EOPNOTSUPP; 24371482bd3dSJianbo Liu } 24381482bd3dSJianbo Liu 2439cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2440cc495188SJianbo Liu 24411482bd3dSJianbo Liu return 0; 24421482bd3dSJianbo Liu } 24431482bd3dSJianbo Liu 2444a54e20b4SHadar Hen Zion static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2445d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2446e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2447e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2448a54e20b4SHadar Hen Zion { 2449bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2450ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 24511d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 2452a54e20b4SHadar Hen Zion struct ip_tunnel_info *info = NULL; 245303a9d11eSOr Gerlitz const struct tc_action *a; 2454a54e20b4SHadar Hen Zion bool encap = false; 24551cab1cd7SOr Gerlitz u32 action = 0; 2456244cd96aSCong Wang int err, i; 245703a9d11eSOr Gerlitz 24583bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 245903a9d11eSOr Gerlitz return -EINVAL; 246003a9d11eSOr Gerlitz 24611d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 246210ff5359SShahar Klein attr->in_mdev = priv->mdev; 246303a9d11eSOr Gerlitz 2464244cd96aSCong Wang tcf_exts_for_each_action(i, a, exts) { 246503a9d11eSOr Gerlitz if (is_tcf_gact_shot(a)) { 24661cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 246703a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 246803a9d11eSOr Gerlitz continue; 246903a9d11eSOr Gerlitz } 247003a9d11eSOr Gerlitz 2471d7e75a32SOr Gerlitz if (is_tcf_pedit(a)) { 2472d7e75a32SOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_FDB, 2473e98bedf5SEli Britstein parse_attr, extack); 2474d7e75a32SOr Gerlitz if (err) 2475d7e75a32SOr Gerlitz return err; 2476d7e75a32SOr Gerlitz 24771cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2478e85e02baSEli Britstein attr->split_count = attr->out_count; 2479d7e75a32SOr Gerlitz continue; 2480d7e75a32SOr Gerlitz } 2481d7e75a32SOr Gerlitz 248226c02749SOr Gerlitz if (is_tcf_csum(a)) { 24831cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 2484e98bedf5SEli Britstein tcf_csum_update_flags(a), 2485e98bedf5SEli Britstein extack)) 248626c02749SOr Gerlitz continue; 248726c02749SOr Gerlitz 248826c02749SOr Gerlitz return -EOPNOTSUPP; 248926c02749SOr Gerlitz } 249026c02749SOr Gerlitz 2491592d3651SChris Mi if (is_tcf_mirred_egress_redirect(a) || is_tcf_mirred_egress_mirror(a)) { 249203a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2493592d3651SChris Mi struct net_device *out_dev; 249403a9d11eSOr Gerlitz 24959f8a739eSCong Wang out_dev = tcf_mirred_dev(a); 2496ef381359SOz Shlomo if (!out_dev) { 2497ef381359SOz Shlomo /* out_dev is NULL when filters with 2498ef381359SOz Shlomo * non-existing mirred device are replayed to 2499ef381359SOz Shlomo * the driver. 2500ef381359SOz Shlomo */ 2501ef381359SOz Shlomo return -EINVAL; 2502ef381359SOz Shlomo } 250303a9d11eSOr Gerlitz 2504592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2505e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2506e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2507592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2508592d3651SChris Mi attr->out_count); 2509592d3651SChris Mi return -EOPNOTSUPP; 2510592d3651SChris Mi } 2511592d3651SChris Mi 2512f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2513f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 2514a54e20b4SHadar Hen Zion if (switchdev_port_same_parent_id(priv->netdev, 2515b1d90e6bSRabie Loulou out_dev) || 2516b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 25177ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 25187ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 25197ba58ba7SRabie Loulou struct net_device *uplink_upper = netdev_master_upper_dev_get(uplink_dev); 25207ba58ba7SRabie Loulou 25217ba58ba7SRabie Loulou if (uplink_upper && 25227ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 25237ba58ba7SRabie Loulou uplink_upper == out_dev) 25247ba58ba7SRabie Loulou out_dev = uplink_dev; 25257ba58ba7SRabie Loulou 2526a0646c88SEli Britstein if (!mlx5e_eswitch_rep(out_dev)) 2527a0646c88SEli Britstein return -EOPNOTSUPP; 2528a0646c88SEli Britstein 252903a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 25301d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2531df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 2532df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 2533df65a573SEli Britstein attr->out_count++; 2534a54e20b4SHadar Hen Zion } else if (encap) { 25358c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 25368c4dc42bSEli Britstein out_dev->ifindex; 25378c4dc42bSEli Britstein parse_attr->tun_info[attr->out_count] = *info; 25388c4dc42bSEli Britstein encap = false; 25393c37745eSOr Gerlitz attr->parse_attr = parse_attr; 2540f493f155SEli Britstein attr->dests[attr->out_count].flags |= 2541f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 25421cc26d74SEli Britstein attr->out_count++; 2543df65a573SEli Britstein /* attr->dests[].rep is resolved when we 2544df65a573SEli Britstein * handle encap 2545df65a573SEli Britstein */ 2546ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 2547ef381359SOz Shlomo /* All mlx5 devices are called to configure 2548ef381359SOz Shlomo * high level device filters. Therefore, the 2549ef381359SOz Shlomo * *attempt* to install a filter on invalid 2550ef381359SOz Shlomo * eswitch should not trigger an explicit error 2551ef381359SOz Shlomo */ 2552ef381359SOz Shlomo return -EINVAL; 2553a54e20b4SHadar Hen Zion } else { 2554e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2555e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2556a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2557a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2558a54e20b4SHadar Hen Zion return -EINVAL; 2559a54e20b4SHadar Hen Zion } 2560a54e20b4SHadar Hen Zion continue; 2561a54e20b4SHadar Hen Zion } 2562a54e20b4SHadar Hen Zion 2563a54e20b4SHadar Hen Zion if (is_tcf_tunnel_set(a)) { 2564a54e20b4SHadar Hen Zion info = tcf_tunnel_info(a); 2565a54e20b4SHadar Hen Zion if (info) 2566a54e20b4SHadar Hen Zion encap = true; 2567a54e20b4SHadar Hen Zion else 2568a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 256903a9d11eSOr Gerlitz continue; 257003a9d11eSOr Gerlitz } 257103a9d11eSOr Gerlitz 25728b32580dSOr Gerlitz if (is_tcf_vlan(a)) { 25731482bd3dSJianbo Liu err = parse_tc_vlan_action(priv, a, attr, &action); 25741482bd3dSJianbo Liu 25751482bd3dSJianbo Liu if (err) 25761482bd3dSJianbo Liu return err; 25771482bd3dSJianbo Liu 2578e85e02baSEli Britstein attr->split_count = attr->out_count; 25798b32580dSOr Gerlitz continue; 25808b32580dSOr Gerlitz } 25818b32580dSOr Gerlitz 2582bbd00f7eSHadar Hen Zion if (is_tcf_tunnel_release(a)) { 25831cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2584bbd00f7eSHadar Hen Zion continue; 2585bbd00f7eSHadar Hen Zion } 2586bbd00f7eSHadar Hen Zion 2587bf07aa73SPaul Blakey if (is_tcf_gact_goto_chain(a)) { 2588bf07aa73SPaul Blakey u32 dest_chain = tcf_gact_goto_chain_index(a); 2589bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2590bf07aa73SPaul Blakey 2591bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2592bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2593bf07aa73SPaul Blakey return -EOPNOTSUPP; 2594bf07aa73SPaul Blakey } 2595bf07aa73SPaul Blakey if (dest_chain > max_chain) { 2596bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 2597bf07aa73SPaul Blakey return -EOPNOTSUPP; 2598bf07aa73SPaul Blakey } 2599e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2600bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 2601bf07aa73SPaul Blakey 2602bf07aa73SPaul Blakey continue; 2603bf07aa73SPaul Blakey } 2604bf07aa73SPaul Blakey 260503a9d11eSOr Gerlitz return -EINVAL; 260603a9d11eSOr Gerlitz } 2607bdd66ac0SOr Gerlitz 26081cab1cd7SOr Gerlitz attr->action = action; 2609e98bedf5SEli Britstein if (!actions_match_supported(priv, exts, parse_attr, flow, extack)) 2610bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2611bdd66ac0SOr Gerlitz 2612e88afe75SOr Gerlitz if (attr->dest_chain) { 2613e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 2614e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 2615e88afe75SOr Gerlitz return -EOPNOTSUPP; 2616e88afe75SOr Gerlitz } 2617e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2618e88afe75SOr Gerlitz } 2619e88afe75SOr Gerlitz 2620e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 2621e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2622e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 2623592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 2624592d3651SChris Mi return -EOPNOTSUPP; 2625592d3651SChris Mi } 2626592d3651SChris Mi 262731c8eba5SOr Gerlitz return 0; 262803a9d11eSOr Gerlitz } 262903a9d11eSOr Gerlitz 26305dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 263160bd4af8SOr Gerlitz { 26325dbe906fSPaul Blakey u16 __flow_flags = 0; 263360bd4af8SOr Gerlitz 263460bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 263560bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 263660bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 263760bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 263860bd4af8SOr Gerlitz 2639d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) 2640d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2641d9ee0491SOr Gerlitz if (flags & MLX5E_TC_NIC_OFFLOAD) 2642d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_NIC; 2643d9ee0491SOr Gerlitz 264460bd4af8SOr Gerlitz *flow_flags = __flow_flags; 264560bd4af8SOr Gerlitz } 264660bd4af8SOr Gerlitz 264705866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 264805866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 264905866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 265005866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 265105866c82SOr Gerlitz .automatic_shrinking = true, 265205866c82SOr Gerlitz }; 265305866c82SOr Gerlitz 2654d9ee0491SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, int flags) 265505866c82SOr Gerlitz { 2656655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2657655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 2658655dc3d2SOr Gerlitz 2659d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) { 2660655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2661ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 2662d9ee0491SOr Gerlitz } else /* NIC offload */ 266305866c82SOr Gerlitz return &priv->fs.tc.ht; 266405866c82SOr Gerlitz } 266505866c82SOr Gerlitz 266604de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 266704de7ddaSRoi Dayan { 26681418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 26691418ddd9SAviv Heller bool is_rep_ingress = attr->in_rep->vport != FDB_UPLINK_VPORT && 26701418ddd9SAviv Heller flow->flags & MLX5E_TC_FLOW_INGRESS; 26711418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 26721418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 26731418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 26741418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 26751418ddd9SAviv Heller 26767c34ec19SAviv Heller return esw_paired && mlx5_lag_is_sriov(attr->in_mdev) && 26771418ddd9SAviv Heller (is_rep_ingress || act_is_encap); 267804de7ddaSRoi Dayan } 267904de7ddaSRoi Dayan 2680a88780a9SRoi Dayan static int 2681a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 26825dbe906fSPaul Blakey struct tc_cls_flower_offload *f, u16 flow_flags, 2683a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 2684a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2685e3a2b7edSAmir Vadai { 268617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 26873bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 2688a88780a9SRoi Dayan int err; 2689776b12b6SOr Gerlitz 269065ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 26911b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 269217091853SOr Gerlitz if (!parse_attr || !flow) { 2693e3a2b7edSAmir Vadai err = -ENOMEM; 2694e3a2b7edSAmir Vadai goto err_free; 2695e3a2b7edSAmir Vadai } 2696e3a2b7edSAmir Vadai 2697e3a2b7edSAmir Vadai flow->cookie = f->cookie; 269865ba8fb7SOr Gerlitz flow->flags = flow_flags; 2699655dc3d2SOr Gerlitz flow->priv = priv; 2700e3a2b7edSAmir Vadai 2701a88780a9SRoi Dayan *__flow = flow; 2702a88780a9SRoi Dayan *__parse_attr = parse_attr; 2703a88780a9SRoi Dayan 2704a88780a9SRoi Dayan return 0; 2705a88780a9SRoi Dayan 2706a88780a9SRoi Dayan err_free: 2707a88780a9SRoi Dayan kfree(flow); 2708a88780a9SRoi Dayan kvfree(parse_attr); 2709a88780a9SRoi Dayan return err; 2710adb4c123SOr Gerlitz } 2711adb4c123SOr Gerlitz 271271129676SJason Gunthorpe static struct mlx5e_tc_flow * 271304de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 2714a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 27155dbe906fSPaul Blakey u16 flow_flags, 2716d11afc26SOz Shlomo struct net_device *filter_dev, 271704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 271871129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 2719a88780a9SRoi Dayan { 2720a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2721f9392795SShahar Klein struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2722a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2723a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2724a88780a9SRoi Dayan int attr_size, err; 2725a88780a9SRoi Dayan 2726a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2727a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 2728a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2729a88780a9SRoi Dayan &parse_attr, &flow); 2730a88780a9SRoi Dayan if (err) 2731a88780a9SRoi Dayan goto out; 2732d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 2733d11afc26SOz Shlomo flow->esw_attr->parse_attr = parse_attr; 273454c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 273554c177caSOz Shlomo f, filter_dev); 2736d11afc26SOz Shlomo if (err) 2737d11afc26SOz Shlomo goto err_free; 2738a88780a9SRoi Dayan 2739bf07aa73SPaul Blakey flow->esw_attr->chain = f->common.chain_index; 2740bf07aa73SPaul Blakey flow->esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 2741a88780a9SRoi Dayan err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow, extack); 2742a88780a9SRoi Dayan if (err) 2743a88780a9SRoi Dayan goto err_free; 2744a88780a9SRoi Dayan 274504de7ddaSRoi Dayan flow->esw_attr->in_rep = in_rep; 274604de7ddaSRoi Dayan flow->esw_attr->in_mdev = in_mdev; 2747f9392795SShahar Klein 2748f9392795SShahar Klein if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 2749f9392795SShahar Klein MLX5_COUNTER_SOURCE_ESWITCH) 2750f9392795SShahar Klein flow->esw_attr->counter_dev = in_mdev; 2751f9392795SShahar Klein else 2752f9392795SShahar Klein flow->esw_attr->counter_dev = priv->mdev; 2753f9392795SShahar Klein 2754a88780a9SRoi Dayan err = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow, extack); 27555dbe906fSPaul Blakey if (err) 2756aa0cbbaeSOr Gerlitz goto err_free; 27575c40348cSOr Gerlitz 275871129676SJason Gunthorpe return flow; 2759e3a2b7edSAmir Vadai 2760e3a2b7edSAmir Vadai err_free: 2761232c0013SHadar Hen Zion kfree(flow); 2762a88780a9SRoi Dayan kvfree(parse_attr); 2763a88780a9SRoi Dayan out: 276471129676SJason Gunthorpe return ERR_PTR(err); 2765a88780a9SRoi Dayan } 2766a88780a9SRoi Dayan 276704de7ddaSRoi Dayan static int mlx5e_tc_add_fdb_peer_flow(struct tc_cls_flower_offload *f, 276804de7ddaSRoi Dayan struct mlx5e_tc_flow *flow) 276904de7ddaSRoi Dayan { 277004de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 277104de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 277204de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 277304de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 277404de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 277504de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 277604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 277704de7ddaSRoi Dayan int err = 0; 277804de7ddaSRoi Dayan 277904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 278004de7ddaSRoi Dayan if (!peer_esw) 278104de7ddaSRoi Dayan return -ENODEV; 278204de7ddaSRoi Dayan 278304de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 278404de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 278504de7ddaSRoi Dayan 278604de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 278704de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 278804de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 278904de7ddaSRoi Dayan * peer mdev. 279004de7ddaSRoi Dayan */ 279104de7ddaSRoi Dayan if (flow->esw_attr->in_rep->vport == FDB_UPLINK_VPORT) 279204de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 279304de7ddaSRoi Dayan else 279404de7ddaSRoi Dayan in_mdev = priv->mdev; 279504de7ddaSRoi Dayan 279604de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 279771129676SJason Gunthorpe peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow->flags, 279804de7ddaSRoi Dayan parse_attr->filter_dev, 279971129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 280071129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 280171129676SJason Gunthorpe err = PTR_ERR(peer_flow); 280204de7ddaSRoi Dayan goto out; 280371129676SJason Gunthorpe } 280404de7ddaSRoi Dayan 280504de7ddaSRoi Dayan flow->peer_flow = peer_flow; 280604de7ddaSRoi Dayan flow->flags |= MLX5E_TC_FLOW_DUP; 280704de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 280804de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 280904de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 281004de7ddaSRoi Dayan 281104de7ddaSRoi Dayan out: 281204de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 281304de7ddaSRoi Dayan return err; 281404de7ddaSRoi Dayan } 281504de7ddaSRoi Dayan 281604de7ddaSRoi Dayan static int 281704de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 281804de7ddaSRoi Dayan struct tc_cls_flower_offload *f, 281904de7ddaSRoi Dayan u16 flow_flags, 282004de7ddaSRoi Dayan struct net_device *filter_dev, 282104de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 282204de7ddaSRoi Dayan { 282304de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 282404de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 282504de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 282604de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 282704de7ddaSRoi Dayan int err; 282804de7ddaSRoi Dayan 282971129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 283071129676SJason Gunthorpe in_mdev); 283171129676SJason Gunthorpe if (IS_ERR(flow)) 283271129676SJason Gunthorpe return PTR_ERR(flow); 283304de7ddaSRoi Dayan 283404de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 283504de7ddaSRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow); 283604de7ddaSRoi Dayan if (err) { 283704de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 283804de7ddaSRoi Dayan goto out; 283904de7ddaSRoi Dayan } 284004de7ddaSRoi Dayan } 284104de7ddaSRoi Dayan 284204de7ddaSRoi Dayan *__flow = flow; 284304de7ddaSRoi Dayan 284404de7ddaSRoi Dayan return 0; 284504de7ddaSRoi Dayan 284604de7ddaSRoi Dayan out: 284704de7ddaSRoi Dayan return err; 284804de7ddaSRoi Dayan } 284904de7ddaSRoi Dayan 2850a88780a9SRoi Dayan static int 2851a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 2852a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 28535dbe906fSPaul Blakey u16 flow_flags, 2854d11afc26SOz Shlomo struct net_device *filter_dev, 2855a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2856a88780a9SRoi Dayan { 2857a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2858a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2859a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2860a88780a9SRoi Dayan int attr_size, err; 2861a88780a9SRoi Dayan 2862bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 2863bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 2864bf07aa73SPaul Blakey return -EOPNOTSUPP; 2865bf07aa73SPaul Blakey 2866a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 2867a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 2868a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2869a88780a9SRoi Dayan &parse_attr, &flow); 2870a88780a9SRoi Dayan if (err) 2871a88780a9SRoi Dayan goto out; 2872a88780a9SRoi Dayan 2873d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 287454c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 287554c177caSOz Shlomo f, filter_dev); 2876d11afc26SOz Shlomo if (err) 2877d11afc26SOz Shlomo goto err_free; 2878d11afc26SOz Shlomo 2879a88780a9SRoi Dayan err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow, extack); 2880a88780a9SRoi Dayan if (err) 2881a88780a9SRoi Dayan goto err_free; 2882a88780a9SRoi Dayan 2883a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 2884a88780a9SRoi Dayan if (err) 2885a88780a9SRoi Dayan goto err_free; 2886a88780a9SRoi Dayan 2887a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 2888a88780a9SRoi Dayan kvfree(parse_attr); 2889a88780a9SRoi Dayan *__flow = flow; 2890a88780a9SRoi Dayan 2891a88780a9SRoi Dayan return 0; 2892a88780a9SRoi Dayan 2893a88780a9SRoi Dayan err_free: 2894a88780a9SRoi Dayan kfree(flow); 2895a88780a9SRoi Dayan kvfree(parse_attr); 2896a88780a9SRoi Dayan out: 2897a88780a9SRoi Dayan return err; 2898a88780a9SRoi Dayan } 2899a88780a9SRoi Dayan 2900a88780a9SRoi Dayan static int 2901a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 2902a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 2903a88780a9SRoi Dayan int flags, 2904d11afc26SOz Shlomo struct net_device *filter_dev, 2905a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 2906a88780a9SRoi Dayan { 2907a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 29085dbe906fSPaul Blakey u16 flow_flags; 2909a88780a9SRoi Dayan int err; 2910a88780a9SRoi Dayan 2911a88780a9SRoi Dayan get_flags(flags, &flow_flags); 2912a88780a9SRoi Dayan 2913bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 2914bf07aa73SPaul Blakey return -EOPNOTSUPP; 2915bf07aa73SPaul Blakey 2916a88780a9SRoi Dayan if (esw && esw->mode == SRIOV_OFFLOADS) 2917d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 2918d11afc26SOz Shlomo filter_dev, flow); 2919a88780a9SRoi Dayan else 2920d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 2921d11afc26SOz Shlomo filter_dev, flow); 2922a88780a9SRoi Dayan 2923a88780a9SRoi Dayan return err; 2924a88780a9SRoi Dayan } 2925a88780a9SRoi Dayan 292671d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 2927a88780a9SRoi Dayan struct tc_cls_flower_offload *f, int flags) 2928a88780a9SRoi Dayan { 2929a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2930d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 2931a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2932a88780a9SRoi Dayan int err = 0; 2933a88780a9SRoi Dayan 2934a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 2935a88780a9SRoi Dayan if (flow) { 2936a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2937a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 2938a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 2939a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 2940a88780a9SRoi Dayan f->cookie); 2941a88780a9SRoi Dayan goto out; 2942a88780a9SRoi Dayan } 2943a88780a9SRoi Dayan 2944d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 2945a88780a9SRoi Dayan if (err) 2946a88780a9SRoi Dayan goto out; 2947a88780a9SRoi Dayan 2948a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 2949a88780a9SRoi Dayan if (err) 2950a88780a9SRoi Dayan goto err_free; 2951a88780a9SRoi Dayan 2952a88780a9SRoi Dayan return 0; 2953a88780a9SRoi Dayan 2954a88780a9SRoi Dayan err_free: 2955a88780a9SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2956a88780a9SRoi Dayan kfree(flow); 2957a88780a9SRoi Dayan out: 2958e3a2b7edSAmir Vadai return err; 2959e3a2b7edSAmir Vadai } 2960e3a2b7edSAmir Vadai 29618f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 29628f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 29638f8ae895SOr Gerlitz 29648f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 29658f8ae895SOr Gerlitz { 29668f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 29678f8ae895SOr Gerlitz return true; 29688f8ae895SOr Gerlitz 29698f8ae895SOr Gerlitz return false; 29708f8ae895SOr Gerlitz } 29718f8ae895SOr Gerlitz 297271d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 297360bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 2974e3a2b7edSAmir Vadai { 2975d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 2976e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 2977e3a2b7edSAmir Vadai 297805866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 29798f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 2980e3a2b7edSAmir Vadai return -EINVAL; 2981e3a2b7edSAmir Vadai 298205866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 2983e3a2b7edSAmir Vadai 2984961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2985e3a2b7edSAmir Vadai 2986e3a2b7edSAmir Vadai kfree(flow); 2987e3a2b7edSAmir Vadai 2988e3a2b7edSAmir Vadai return 0; 2989e3a2b7edSAmir Vadai } 2990e3a2b7edSAmir Vadai 299171d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 299260bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 2993aad7e08dSAmir Vadai { 299404de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 2995d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 299604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 2997aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 2998aad7e08dSAmir Vadai struct mlx5_fc *counter; 2999aad7e08dSAmir Vadai u64 bytes; 3000aad7e08dSAmir Vadai u64 packets; 3001aad7e08dSAmir Vadai u64 lastuse; 3002aad7e08dSAmir Vadai 300305866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 30048f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3005aad7e08dSAmir Vadai return -EINVAL; 3006aad7e08dSAmir Vadai 30070b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 30080b67a38fSHadar Hen Zion return 0; 30090b67a38fSHadar Hen Zion 3010b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3011aad7e08dSAmir Vadai if (!counter) 3012aad7e08dSAmir Vadai return 0; 3013aad7e08dSAmir Vadai 3014aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3015aad7e08dSAmir Vadai 301604de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 301704de7ddaSRoi Dayan if (!peer_esw) 301804de7ddaSRoi Dayan goto out; 301904de7ddaSRoi Dayan 302004de7ddaSRoi Dayan if ((flow->flags & MLX5E_TC_FLOW_DUP) && 302104de7ddaSRoi Dayan (flow->peer_flow->flags & MLX5E_TC_FLOW_OFFLOADED)) { 302204de7ddaSRoi Dayan u64 bytes2; 302304de7ddaSRoi Dayan u64 packets2; 302404de7ddaSRoi Dayan u64 lastuse2; 302504de7ddaSRoi Dayan 302604de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 302704de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 302804de7ddaSRoi Dayan 302904de7ddaSRoi Dayan bytes += bytes2; 303004de7ddaSRoi Dayan packets += packets2; 303104de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 303204de7ddaSRoi Dayan } 303304de7ddaSRoi Dayan 303404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 303504de7ddaSRoi Dayan 303604de7ddaSRoi Dayan out: 3037d897a638SJakub Kicinski tcf_exts_stats_update(f->exts, bytes, packets, lastuse); 3038fed06ee8SOr Gerlitz 3039aad7e08dSAmir Vadai return 0; 3040aad7e08dSAmir Vadai } 3041aad7e08dSAmir Vadai 30424d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 30434d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 30444d8fcf21SAlaa Hleihel { 30454d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 30464d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 30474d8fcf21SAlaa Hleihel u16 peer_vhca_id; 30484d8fcf21SAlaa Hleihel int bkt; 30494d8fcf21SAlaa Hleihel 30504d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 30514d8fcf21SAlaa Hleihel return; 30524d8fcf21SAlaa Hleihel 30534d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 30544d8fcf21SAlaa Hleihel 30554d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 30564d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 30574d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 30584d8fcf21SAlaa Hleihel } 30594d8fcf21SAlaa Hleihel } 30604d8fcf21SAlaa Hleihel 30614d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 30624d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 30634d8fcf21SAlaa Hleihel { 30644d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 30654d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 30664d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 30674d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 30684d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 30694d8fcf21SAlaa Hleihel 30704d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 30714d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 30724d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 30734d8fcf21SAlaa Hleihel return NOTIFY_DONE; 30744d8fcf21SAlaa Hleihel 30754d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 30764d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 30774d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 30784d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 30794d8fcf21SAlaa Hleihel if (priv == peer_priv || 30804d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 30814d8fcf21SAlaa Hleihel return NOTIFY_DONE; 30824d8fcf21SAlaa Hleihel 30834d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 30844d8fcf21SAlaa Hleihel 30854d8fcf21SAlaa Hleihel return NOTIFY_DONE; 30864d8fcf21SAlaa Hleihel } 30874d8fcf21SAlaa Hleihel 3088655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3089e8f887acSAmir Vadai { 3090acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 30914d8fcf21SAlaa Hleihel int err; 3092e8f887acSAmir Vadai 309311c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 30945c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 309511c9c548SOr Gerlitz 30964d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 30974d8fcf21SAlaa Hleihel if (err) 30984d8fcf21SAlaa Hleihel return err; 30994d8fcf21SAlaa Hleihel 31004d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 31014d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 31024d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 31034d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 31044d8fcf21SAlaa Hleihel } 31054d8fcf21SAlaa Hleihel 31064d8fcf21SAlaa Hleihel return err; 3107e8f887acSAmir Vadai } 3108e8f887acSAmir Vadai 3109e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3110e8f887acSAmir Vadai { 3111e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3112655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3113e8f887acSAmir Vadai 3114961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3115e8f887acSAmir Vadai kfree(flow); 3116e8f887acSAmir Vadai } 3117e8f887acSAmir Vadai 3118655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3119e8f887acSAmir Vadai { 3120acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3121e8f887acSAmir Vadai 31224d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 31234d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 31244d8fcf21SAlaa Hleihel 3125d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 3126e8f887acSAmir Vadai 3127acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3128acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3129acff797cSMaor Gottlieb tc->t = NULL; 3130e8f887acSAmir Vadai } 3131e8f887acSAmir Vadai } 3132655dc3d2SOr Gerlitz 3133655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3134655dc3d2SOr Gerlitz { 3135655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3136655dc3d2SOr Gerlitz } 3137655dc3d2SOr Gerlitz 3138655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3139655dc3d2SOr Gerlitz { 3140655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3141655dc3d2SOr Gerlitz } 314201252a27SOr Gerlitz 3143d9ee0491SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv, int flags) 314401252a27SOr Gerlitz { 3145d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 314601252a27SOr Gerlitz 314701252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 314801252a27SOr Gerlitz } 314904de7ddaSRoi Dayan 315004de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 315104de7ddaSRoi Dayan { 315204de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 315304de7ddaSRoi Dayan 315404de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 315504de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 315604de7ddaSRoi Dayan } 3157