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/tc_act/tc_mirred.h> 42776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 43bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 44d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4526c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 46f6dfb4c3SHadar Hen Zion #include <net/arp.h> 473616d08bSDavid Ahern #include <net/ipv6_stubs.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" 569272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 57e8f887acSAmir Vadai 583bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 593bc4b7bfSOr Gerlitz u32 action; 603bc4b7bfSOr Gerlitz u32 flow_tag; 612f4fe4caSOr Gerlitz u32 mod_hdr_id; 625c65c564SOr Gerlitz u32 hairpin_tirn; 6338aa51c1SOr Gerlitz u8 match_level; 643f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 65b8aee822SMark Bloch struct mlx5_fc *counter; 663bc4b7bfSOr Gerlitz }; 673bc4b7bfSOr Gerlitz 6860bd4af8SOr Gerlitz #define MLX5E_TC_FLOW_BASE (MLX5E_TC_LAST_EXPORTED_BIT + 1) 6960bd4af8SOr Gerlitz 7065ba8fb7SOr Gerlitz enum { 7160bd4af8SOr Gerlitz MLX5E_TC_FLOW_INGRESS = MLX5E_TC_INGRESS, 7260bd4af8SOr Gerlitz MLX5E_TC_FLOW_EGRESS = MLX5E_TC_EGRESS, 73d9ee0491SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = MLX5E_TC_ESW_OFFLOAD, 74d9ee0491SOr Gerlitz MLX5E_TC_FLOW_NIC = MLX5E_TC_NIC_OFFLOAD, 75d9ee0491SOr Gerlitz MLX5E_TC_FLOW_OFFLOADED = BIT(MLX5E_TC_FLOW_BASE), 76d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(MLX5E_TC_FLOW_BASE + 1), 77d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(MLX5E_TC_FLOW_BASE + 2), 78d9ee0491SOr Gerlitz MLX5E_TC_FLOW_SLOW = BIT(MLX5E_TC_FLOW_BASE + 3), 79d9ee0491SOr Gerlitz MLX5E_TC_FLOW_DUP = BIT(MLX5E_TC_FLOW_BASE + 4), 80ef06c9eeSRoi Dayan MLX5E_TC_FLOW_NOT_READY = BIT(MLX5E_TC_FLOW_BASE + 5), 8165ba8fb7SOr Gerlitz }; 8265ba8fb7SOr Gerlitz 83e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 84e4ad91f2SChris Mi 8579baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 8679baaec7SEli Britstein * Containing struct 8779baaec7SEli Britstein * |- Helper array 8879baaec7SEli Britstein * [0] Helper item 0 8979baaec7SEli Britstein * |- list_head item 0 9079baaec7SEli Britstein * |- index (0) 9179baaec7SEli Britstein * [1] Helper item 1 9279baaec7SEli Britstein * |- list_head item 1 9379baaec7SEli Britstein * |- index (1) 9479baaec7SEli Britstein * To access the containing struct from one of the list_head items: 9579baaec7SEli Britstein * 1. Get the helper item from the list_head item using 9679baaec7SEli Britstein * helper item = 9779baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 9879baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 9979baaec7SEli Britstein * containing struct = 10079baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 10179baaec7SEli Britstein */ 10279baaec7SEli Britstein struct encap_flow_item { 10379baaec7SEli Britstein struct list_head list; 10479baaec7SEli Britstein int index; 10579baaec7SEli Britstein }; 10679baaec7SEli Britstein 107e8f887acSAmir Vadai struct mlx5e_tc_flow { 108e8f887acSAmir Vadai struct rhash_head node; 109655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 110e8f887acSAmir Vadai u64 cookie; 1115dbe906fSPaul Blakey u16 flags; 112e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11379baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 11479baaec7SEli Britstein * The number of encaps is bounded by the number of supported 11579baaec7SEli Britstein * destinations. 11679baaec7SEli Britstein */ 11779baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 11804de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 11911c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 1205c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 12104de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 122b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1233bc4b7bfSOr Gerlitz union { 124ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1253bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1263bc4b7bfSOr Gerlitz }; 127e8f887acSAmir Vadai }; 128e8f887acSAmir Vadai 12917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1301f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 131d11afc26SOz Shlomo struct net_device *filter_dev; 13217091853SOr Gerlitz struct mlx5_flow_spec spec; 133d79b6df6SOr Gerlitz int num_mod_hdr_actions; 134218d05ceSTonghao Zhang int max_mod_hdr_actions; 135d79b6df6SOr Gerlitz void *mod_hdr_actions; 13698b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 13717091853SOr Gerlitz }; 13817091853SOr Gerlitz 139acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 140b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 141e8f887acSAmir Vadai 14277ab67b7SOr Gerlitz struct mlx5e_hairpin { 14377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 14477ab67b7SOr Gerlitz 14577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1463f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 14777ab67b7SOr Gerlitz u32 tdn; 14877ab67b7SOr Gerlitz u32 tirn; 1493f6d08d1SOr Gerlitz 1503f6d08d1SOr Gerlitz int num_channels; 1513f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1523f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1533f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 15477ab67b7SOr Gerlitz }; 15577ab67b7SOr Gerlitz 1565c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1575c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1585c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1595c65c564SOr Gerlitz 1605c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1615c65c564SOr Gerlitz struct list_head flows; 1625c65c564SOr Gerlitz 163d8822868SOr Gerlitz u16 peer_vhca_id; 164106be53bSOr Gerlitz u8 prio; 1655c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1665c65c564SOr Gerlitz }; 1675c65c564SOr Gerlitz 16811c9c548SOr Gerlitz struct mod_hdr_key { 16911c9c548SOr Gerlitz int num_actions; 17011c9c548SOr Gerlitz void *actions; 17111c9c548SOr Gerlitz }; 17211c9c548SOr Gerlitz 17311c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 17411c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 17511c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 17611c9c548SOr Gerlitz 17711c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 17811c9c548SOr Gerlitz struct list_head flows; 17911c9c548SOr Gerlitz 18011c9c548SOr Gerlitz struct mod_hdr_key key; 18111c9c548SOr Gerlitz 18211c9c548SOr Gerlitz u32 mod_hdr_id; 18311c9c548SOr Gerlitz }; 18411c9c548SOr Gerlitz 18511c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 18611c9c548SOr Gerlitz 18711c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 18811c9c548SOr Gerlitz { 18911c9c548SOr Gerlitz return jhash(key->actions, 19011c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 19111c9c548SOr Gerlitz } 19211c9c548SOr Gerlitz 19311c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 19411c9c548SOr Gerlitz struct mod_hdr_key *b) 19511c9c548SOr Gerlitz { 19611c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 19711c9c548SOr Gerlitz return 1; 19811c9c548SOr Gerlitz 19911c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 20011c9c548SOr Gerlitz } 20111c9c548SOr Gerlitz 20211c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 20311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 20411c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 20511c9c548SOr Gerlitz { 20611c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20711c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 20811c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 20911c9c548SOr Gerlitz struct mod_hdr_key key; 21011c9c548SOr Gerlitz bool found = false; 21111c9c548SOr Gerlitz u32 hash_key; 21211c9c548SOr Gerlitz 21311c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 21411c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 21511c9c548SOr Gerlitz 21611c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 21711c9c548SOr Gerlitz key.num_actions = num_actions; 21811c9c548SOr Gerlitz 21911c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 22011c9c548SOr Gerlitz 22111c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 22211c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 22311c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 22411c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 22511c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 22611c9c548SOr Gerlitz found = true; 22711c9c548SOr Gerlitz break; 22811c9c548SOr Gerlitz } 22911c9c548SOr Gerlitz } 23011c9c548SOr Gerlitz } else { 23111c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 23211c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 23311c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 23411c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 23511c9c548SOr Gerlitz found = true; 23611c9c548SOr Gerlitz break; 23711c9c548SOr Gerlitz } 23811c9c548SOr Gerlitz } 23911c9c548SOr Gerlitz } 24011c9c548SOr Gerlitz 24111c9c548SOr Gerlitz if (found) 24211c9c548SOr Gerlitz goto attach_flow; 24311c9c548SOr Gerlitz 24411c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 24511c9c548SOr Gerlitz if (!mh) 24611c9c548SOr Gerlitz return -ENOMEM; 24711c9c548SOr Gerlitz 24811c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 24911c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 25011c9c548SOr Gerlitz mh->key.num_actions = num_actions; 25111c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 25211c9c548SOr Gerlitz 25311c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 25411c9c548SOr Gerlitz mh->key.num_actions, 25511c9c548SOr Gerlitz mh->key.actions, 25611c9c548SOr Gerlitz &mh->mod_hdr_id); 25711c9c548SOr Gerlitz if (err) 25811c9c548SOr Gerlitz goto out_err; 25911c9c548SOr Gerlitz 26011c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 26111c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 26211c9c548SOr Gerlitz else 26311c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 26411c9c548SOr Gerlitz 26511c9c548SOr Gerlitz attach_flow: 26611c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 26711c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 26811c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 26911c9c548SOr Gerlitz else 27011c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 27111c9c548SOr Gerlitz 27211c9c548SOr Gerlitz return 0; 27311c9c548SOr Gerlitz 27411c9c548SOr Gerlitz out_err: 27511c9c548SOr Gerlitz kfree(mh); 27611c9c548SOr Gerlitz return err; 27711c9c548SOr Gerlitz } 27811c9c548SOr Gerlitz 27911c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 28011c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 28111c9c548SOr Gerlitz { 28211c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 28311c9c548SOr Gerlitz 28411c9c548SOr Gerlitz list_del(&flow->mod_hdr); 28511c9c548SOr Gerlitz 28611c9c548SOr Gerlitz if (list_empty(next)) { 28711c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 28811c9c548SOr Gerlitz 28911c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 29011c9c548SOr Gerlitz 29111c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 29211c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 29311c9c548SOr Gerlitz kfree(mh); 29411c9c548SOr Gerlitz } 29511c9c548SOr Gerlitz } 29611c9c548SOr Gerlitz 29777ab67b7SOr Gerlitz static 29877ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 29977ab67b7SOr Gerlitz { 30077ab67b7SOr Gerlitz struct net_device *netdev; 30177ab67b7SOr Gerlitz struct mlx5e_priv *priv; 30277ab67b7SOr Gerlitz 30377ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 30477ab67b7SOr Gerlitz priv = netdev_priv(netdev); 30577ab67b7SOr Gerlitz return priv->mdev; 30677ab67b7SOr Gerlitz } 30777ab67b7SOr Gerlitz 30877ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 30977ab67b7SOr Gerlitz { 31077ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 31177ab67b7SOr Gerlitz void *tirc; 31277ab67b7SOr Gerlitz int err; 31377ab67b7SOr Gerlitz 31477ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 31577ab67b7SOr Gerlitz if (err) 31677ab67b7SOr Gerlitz goto alloc_tdn_err; 31777ab67b7SOr Gerlitz 31877ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 31977ab67b7SOr Gerlitz 32077ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 321ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 32277ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 32377ab67b7SOr Gerlitz 32477ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 32577ab67b7SOr Gerlitz if (err) 32677ab67b7SOr Gerlitz goto create_tir_err; 32777ab67b7SOr Gerlitz 32877ab67b7SOr Gerlitz return 0; 32977ab67b7SOr Gerlitz 33077ab67b7SOr Gerlitz create_tir_err: 33177ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 33277ab67b7SOr Gerlitz alloc_tdn_err: 33377ab67b7SOr Gerlitz return err; 33477ab67b7SOr Gerlitz } 33577ab67b7SOr Gerlitz 33677ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 33777ab67b7SOr Gerlitz { 33877ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 33977ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 34077ab67b7SOr Gerlitz } 34177ab67b7SOr Gerlitz 3423f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3433f6d08d1SOr Gerlitz { 3443f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3453f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3463f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3473f6d08d1SOr Gerlitz 3483f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3493f6d08d1SOr Gerlitz hp->num_channels); 3503f6d08d1SOr Gerlitz 3513f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3523f6d08d1SOr Gerlitz ix = i; 353bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 3543f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3553f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3563f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3573f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3583f6d08d1SOr Gerlitz } 3593f6d08d1SOr Gerlitz } 3603f6d08d1SOr Gerlitz 3613f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3623f6d08d1SOr Gerlitz { 3633f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3643f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3653f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3663f6d08d1SOr Gerlitz void *rqtc; 3673f6d08d1SOr Gerlitz u32 *in; 3683f6d08d1SOr Gerlitz 3693f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3703f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3713f6d08d1SOr Gerlitz if (!in) 3723f6d08d1SOr Gerlitz return -ENOMEM; 3733f6d08d1SOr Gerlitz 3743f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3753f6d08d1SOr Gerlitz 3763f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3773f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3783f6d08d1SOr Gerlitz 3793f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3803f6d08d1SOr Gerlitz 3813f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3823f6d08d1SOr Gerlitz if (!err) 3833f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3843f6d08d1SOr Gerlitz 3853f6d08d1SOr Gerlitz kvfree(in); 3863f6d08d1SOr Gerlitz return err; 3873f6d08d1SOr Gerlitz } 3883f6d08d1SOr Gerlitz 3893f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3903f6d08d1SOr Gerlitz { 3913f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3923f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3933f6d08d1SOr Gerlitz int tt, i, err; 3943f6d08d1SOr Gerlitz void *tirc; 3953f6d08d1SOr Gerlitz 3963f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 397d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 398d930ac79SAya Levin 3993f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 4003f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 4013f6d08d1SOr Gerlitz 4023f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 4033f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 4043f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 405bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 406bbeb53b8SAya Levin 4073f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 4083f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 4093f6d08d1SOr Gerlitz if (err) { 4103f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 4113f6d08d1SOr Gerlitz goto err_destroy_tirs; 4123f6d08d1SOr Gerlitz } 4133f6d08d1SOr Gerlitz } 4143f6d08d1SOr Gerlitz return 0; 4153f6d08d1SOr Gerlitz 4163f6d08d1SOr Gerlitz err_destroy_tirs: 4173f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 4183f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 4193f6d08d1SOr Gerlitz return err; 4203f6d08d1SOr Gerlitz } 4213f6d08d1SOr Gerlitz 4223f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 4233f6d08d1SOr Gerlitz { 4243f6d08d1SOr Gerlitz int tt; 4253f6d08d1SOr Gerlitz 4263f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4273f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 4283f6d08d1SOr Gerlitz } 4293f6d08d1SOr Gerlitz 4303f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 4313f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 4323f6d08d1SOr Gerlitz { 4333f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4343f6d08d1SOr Gerlitz int tt; 4353f6d08d1SOr Gerlitz 4363f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4373f6d08d1SOr Gerlitz 4383f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4393f6d08d1SOr Gerlitz 4403f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4413f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4423f6d08d1SOr Gerlitz 4433f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4443f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4453f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4463f6d08d1SOr Gerlitz } 4473f6d08d1SOr Gerlitz 4483f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4493f6d08d1SOr Gerlitz { 4503f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4513f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4523f6d08d1SOr Gerlitz int err; 4533f6d08d1SOr Gerlitz 4543f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4553f6d08d1SOr Gerlitz if (err) 4563f6d08d1SOr Gerlitz return err; 4573f6d08d1SOr Gerlitz 4583f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4593f6d08d1SOr Gerlitz if (err) 4603f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4613f6d08d1SOr Gerlitz 4623f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4633f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4643f6d08d1SOr Gerlitz if (err) 4653f6d08d1SOr Gerlitz goto err_create_ttc_table; 4663f6d08d1SOr Gerlitz 4673f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4683f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4693f6d08d1SOr Gerlitz 4703f6d08d1SOr Gerlitz return 0; 4713f6d08d1SOr Gerlitz 4723f6d08d1SOr Gerlitz err_create_ttc_table: 4733f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4743f6d08d1SOr Gerlitz err_create_indirect_tirs: 4753f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4763f6d08d1SOr Gerlitz 4773f6d08d1SOr Gerlitz return err; 4783f6d08d1SOr Gerlitz } 4793f6d08d1SOr Gerlitz 4803f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4813f6d08d1SOr Gerlitz { 4823f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4833f6d08d1SOr Gerlitz 4843f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4853f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4863f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4873f6d08d1SOr Gerlitz } 4883f6d08d1SOr Gerlitz 48977ab67b7SOr Gerlitz static struct mlx5e_hairpin * 49077ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 49177ab67b7SOr Gerlitz int peer_ifindex) 49277ab67b7SOr Gerlitz { 49377ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 49477ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 49577ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 49677ab67b7SOr Gerlitz int err; 49777ab67b7SOr Gerlitz 49877ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 49977ab67b7SOr Gerlitz if (!hp) 50077ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 50177ab67b7SOr Gerlitz 50277ab67b7SOr Gerlitz func_mdev = priv->mdev; 50377ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 50477ab67b7SOr Gerlitz 50577ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 50677ab67b7SOr Gerlitz if (IS_ERR(pair)) { 50777ab67b7SOr Gerlitz err = PTR_ERR(pair); 50877ab67b7SOr Gerlitz goto create_pair_err; 50977ab67b7SOr Gerlitz } 51077ab67b7SOr Gerlitz hp->pair = pair; 51177ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 5123f6d08d1SOr Gerlitz hp->func_priv = priv; 5133f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 51477ab67b7SOr Gerlitz 51577ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 51677ab67b7SOr Gerlitz if (err) 51777ab67b7SOr Gerlitz goto create_transport_err; 51877ab67b7SOr Gerlitz 5193f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 5203f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 5213f6d08d1SOr Gerlitz if (err) 5223f6d08d1SOr Gerlitz goto rss_init_err; 5233f6d08d1SOr Gerlitz } 5243f6d08d1SOr Gerlitz 52577ab67b7SOr Gerlitz return hp; 52677ab67b7SOr Gerlitz 5273f6d08d1SOr Gerlitz rss_init_err: 5283f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 52977ab67b7SOr Gerlitz create_transport_err: 53077ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 53177ab67b7SOr Gerlitz create_pair_err: 53277ab67b7SOr Gerlitz kfree(hp); 53377ab67b7SOr Gerlitz return ERR_PTR(err); 53477ab67b7SOr Gerlitz } 53577ab67b7SOr Gerlitz 53677ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 53777ab67b7SOr Gerlitz { 5383f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5393f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 54077ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 54177ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 54277ab67b7SOr Gerlitz kvfree(hp); 54377ab67b7SOr Gerlitz } 54477ab67b7SOr Gerlitz 545106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 546106be53bSOr Gerlitz { 547106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 548106be53bSOr Gerlitz } 549106be53bSOr Gerlitz 5505c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 551106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5525c65c564SOr Gerlitz { 5535c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 554106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5555c65c564SOr Gerlitz 5565c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 557106be53bSOr Gerlitz hairpin_hlist, hash_key) { 558106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5595c65c564SOr Gerlitz return hpe; 5605c65c564SOr Gerlitz } 5615c65c564SOr Gerlitz 5625c65c564SOr Gerlitz return NULL; 5635c65c564SOr Gerlitz } 5645c65c564SOr Gerlitz 565106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 566106be53bSOr Gerlitz 567106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 568e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 569e98bedf5SEli Britstein struct netlink_ext_ack *extack) 570106be53bSOr Gerlitz { 571106be53bSOr Gerlitz void *headers_c, *headers_v; 572106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 573106be53bSOr Gerlitz bool vlan_present; 574106be53bSOr Gerlitz 575106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 576106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 577e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 578e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 579106be53bSOr Gerlitz return -EOPNOTSUPP; 580106be53bSOr Gerlitz } 581106be53bSOr Gerlitz #endif 582106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 583106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 584106be53bSOr Gerlitz 585106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 586106be53bSOr Gerlitz if (vlan_present) { 587106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 588106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 589106be53bSOr Gerlitz } 590106be53bSOr Gerlitz 591106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 592106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 593106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 594e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 595e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 596106be53bSOr Gerlitz return -EOPNOTSUPP; 597106be53bSOr Gerlitz } 598106be53bSOr Gerlitz 599106be53bSOr Gerlitz *match_prio = prio_val; 600106be53bSOr Gerlitz return 0; 601106be53bSOr Gerlitz } 602106be53bSOr Gerlitz 6035c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 6045c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 605e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 606e98bedf5SEli Britstein struct netlink_ext_ack *extack) 6075c65c564SOr Gerlitz { 60898b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 6095c65c564SOr Gerlitz struct mlx5_hairpin_params params; 610d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 6115c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6125c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 6133f6d08d1SOr Gerlitz u64 link_speed64; 6143f6d08d1SOr Gerlitz u32 link_speed; 615106be53bSOr Gerlitz u8 match_prio; 616d8822868SOr Gerlitz u16 peer_id; 6175c65c564SOr Gerlitz int err; 6185c65c564SOr Gerlitz 619d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 620d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 621e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 6225c65c564SOr Gerlitz return -EOPNOTSUPP; 6235c65c564SOr Gerlitz } 6245c65c564SOr Gerlitz 625d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 626e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 627e98bedf5SEli Britstein extack); 628106be53bSOr Gerlitz if (err) 629106be53bSOr Gerlitz return err; 630106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 6315c65c564SOr Gerlitz if (hpe) 6325c65c564SOr Gerlitz goto attach_flow; 6335c65c564SOr Gerlitz 6345c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6355c65c564SOr Gerlitz if (!hpe) 6365c65c564SOr Gerlitz return -ENOMEM; 6375c65c564SOr Gerlitz 6385c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 639d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 640106be53bSOr Gerlitz hpe->prio = match_prio; 6415c65c564SOr Gerlitz 6425c65c564SOr Gerlitz params.log_data_size = 15; 6435c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6445c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6455c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6465c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6475c65c564SOr Gerlitz 648eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 649eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 650eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 651eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 652eb9180f7SOr Gerlitz 653eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6543f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6552c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6563f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6573f6d08d1SOr Gerlitz link_speed64 = link_speed; 6583f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6593f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6603f6d08d1SOr Gerlitz 6615c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6625c65c564SOr Gerlitz if (IS_ERR(hp)) { 6635c65c564SOr Gerlitz err = PTR_ERR(hp); 6645c65c564SOr Gerlitz goto create_hairpin_err; 6655c65c564SOr Gerlitz } 6665c65c564SOr Gerlitz 667eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 66827b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 66927b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 670eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6715c65c564SOr Gerlitz 6725c65c564SOr Gerlitz hpe->hp = hp; 673106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 674106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6755c65c564SOr Gerlitz 6765c65c564SOr Gerlitz attach_flow: 6773f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6783f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6793f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6803f6d08d1SOr Gerlitz } else { 6815c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6823f6d08d1SOr Gerlitz } 6835c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6843f6d08d1SOr Gerlitz 6855c65c564SOr Gerlitz return 0; 6865c65c564SOr Gerlitz 6875c65c564SOr Gerlitz create_hairpin_err: 6885c65c564SOr Gerlitz kfree(hpe); 6895c65c564SOr Gerlitz return err; 6905c65c564SOr Gerlitz } 6915c65c564SOr Gerlitz 6925c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6935c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6945c65c564SOr Gerlitz { 6955c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6965c65c564SOr Gerlitz 6975c65c564SOr Gerlitz list_del(&flow->hairpin); 6985c65c564SOr Gerlitz 6995c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 7005c65c564SOr Gerlitz if (list_empty(next)) { 7015c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7025c65c564SOr Gerlitz 7035c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 7045c65c564SOr Gerlitz 7055c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 70627b942fbSParav Pandit dev_name(hpe->hp->pair->peer_mdev->device)); 7075c65c564SOr Gerlitz 7085c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 7095c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 7105c65c564SOr Gerlitz kfree(hpe); 7115c65c564SOr Gerlitz } 7125c65c564SOr Gerlitz } 7135c65c564SOr Gerlitz 714c83954abSRabie Loulou static int 71574491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 71617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 717e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 718e98bedf5SEli Britstein struct netlink_ext_ack *extack) 719e8f887acSAmir Vadai { 720bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 721aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 722aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 7235c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 72466958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 7253bc4b7bfSOr Gerlitz .action = attr->action, 72660786f09SMark Bloch .reformat_id = 0, 727bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 72866958ed9SHadar Hen Zion }; 729aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 730e8f887acSAmir Vadai bool table_created = false; 7315c65c564SOr Gerlitz int err, dest_ix = 0; 732e8f887acSAmir Vadai 733bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 734bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 735bb0ee7dcSJianbo Liu 7365c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 737e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7385c65c564SOr Gerlitz if (err) { 7395c65c564SOr Gerlitz goto err_add_hairpin_flow; 7405c65c564SOr Gerlitz } 7413f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7423f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7433f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7443f6d08d1SOr Gerlitz } else { 7455c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7465c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7473f6d08d1SOr Gerlitz } 7483f6d08d1SOr Gerlitz dest_ix++; 7493f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7505c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7515c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7525c65c564SOr Gerlitz dest_ix++; 7535c65c564SOr Gerlitz } 754aad7e08dSAmir Vadai 7555c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7565c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7575c65c564SOr Gerlitz if (IS_ERR(counter)) { 758c83954abSRabie Loulou err = PTR_ERR(counter); 7595c65c564SOr Gerlitz goto err_fc_create; 7605c65c564SOr Gerlitz } 7615c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 762171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 7635c65c564SOr Gerlitz dest_ix++; 764b8aee822SMark Bloch attr->counter = counter; 765aad7e08dSAmir Vadai } 766aad7e08dSAmir Vadai 7672f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7683099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 769d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7702f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 771c83954abSRabie Loulou if (err) 7722f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7732f4fe4caSOr Gerlitz } 7742f4fe4caSOr Gerlitz 775acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 77621b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 77721b9c144SOr Gerlitz u32 max_flow_counter; 77821b9c144SOr Gerlitz 77921b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 78021b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 78121b9c144SOr Gerlitz 78221b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 78321b9c144SOr Gerlitz 78421b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 78521b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 78621b9c144SOr Gerlitz 787acff797cSMaor Gottlieb priv->fs.tc.t = 788acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 789acff797cSMaor Gottlieb MLX5E_TC_PRIO, 79021b9c144SOr Gerlitz tc_tbl_size, 791acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7923f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 793acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 794e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 795e98bedf5SEli Britstein "Failed to create tc offload table\n"); 796e8f887acSAmir Vadai netdev_err(priv->netdev, 797e8f887acSAmir Vadai "Failed to create tc offload table\n"); 798c83954abSRabie Loulou err = PTR_ERR(priv->fs.tc.t); 799aad7e08dSAmir Vadai goto err_create_ft; 800e8f887acSAmir Vadai } 801e8f887acSAmir Vadai 802e8f887acSAmir Vadai table_created = true; 803e8f887acSAmir Vadai } 804e8f887acSAmir Vadai 80538aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 806d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 80738aa51c1SOr Gerlitz 808c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 8095c65c564SOr Gerlitz &flow_act, dest, dest_ix); 810e8f887acSAmir Vadai 811c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 812c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 813aad7e08dSAmir Vadai goto err_add_rule; 814c83954abSRabie Loulou } 815aad7e08dSAmir Vadai 816c83954abSRabie Loulou return 0; 817aad7e08dSAmir Vadai 818aad7e08dSAmir Vadai err_add_rule: 819aad7e08dSAmir Vadai if (table_created) { 820acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 821acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 822e8f887acSAmir Vadai } 823aad7e08dSAmir Vadai err_create_ft: 8242f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8253099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8262f4fe4caSOr Gerlitz err_create_mod_hdr_id: 827aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 8285c65c564SOr Gerlitz err_fc_create: 8295c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8305c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 8315c65c564SOr Gerlitz err_add_hairpin_flow: 832c83954abSRabie Loulou return err; 833e8f887acSAmir Vadai } 834e8f887acSAmir Vadai 835d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 836d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 837d85cdccbSOr Gerlitz { 838513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 839d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 840d85cdccbSOr Gerlitz 841b8aee822SMark Bloch counter = attr->counter; 842e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 843d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 844d85cdccbSOr Gerlitz 845d9ee0491SOr Gerlitz if (!mlx5e_tc_num_filters(priv, MLX5E_TC_NIC_OFFLOAD) && priv->fs.tc.t) { 846d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 847d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 848d85cdccbSOr Gerlitz } 8492f4fe4caSOr Gerlitz 850513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8513099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8525c65c564SOr Gerlitz 8535c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8545c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 855d85cdccbSOr Gerlitz } 856d85cdccbSOr Gerlitz 857aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 8588c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 859aa0cbbaeSOr Gerlitz 8603c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 861e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 862733d4f36SRoi Dayan struct net_device *mirred_dev, 863733d4f36SRoi Dayan int out_index, 8648c4dc42bSEli Britstein struct netlink_ext_ack *extack, 8650ad060eeSRoi Dayan struct net_device **encap_dev, 8660ad060eeSRoi Dayan bool *encap_valid); 8673c37745eSOr Gerlitz 8686d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 8696d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 8706d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8716d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 8726d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8736d2a3ed0SOr Gerlitz { 8746d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 8756d2a3ed0SOr Gerlitz 8766d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 8776d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 8786d2a3ed0SOr Gerlitz return rule; 8796d2a3ed0SOr Gerlitz 880e85e02baSEli Britstein if (attr->split_count) { 8816d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 8826d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 8836d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 8846d2a3ed0SOr Gerlitz return flow->rule[1]; 8856d2a3ed0SOr Gerlitz } 8866d2a3ed0SOr Gerlitz } 8876d2a3ed0SOr Gerlitz 8886d2a3ed0SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 8896d2a3ed0SOr Gerlitz return rule; 8906d2a3ed0SOr Gerlitz } 8916d2a3ed0SOr Gerlitz 8926d2a3ed0SOr Gerlitz static void 8936d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 8946d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8956d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8966d2a3ed0SOr Gerlitz { 8976d2a3ed0SOr Gerlitz flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 8986d2a3ed0SOr Gerlitz 899e85e02baSEli Britstein if (attr->split_count) 9006d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 9016d2a3ed0SOr Gerlitz 9026d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 9036d2a3ed0SOr Gerlitz } 9046d2a3ed0SOr Gerlitz 9055dbe906fSPaul Blakey static struct mlx5_flow_handle * 9065dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 9075dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9085dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 9095dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9105dbe906fSPaul Blakey { 9115dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 9125dbe906fSPaul Blakey 9135dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 914154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9152be09de7SDavid S. Miller slow_attr->split_count = 0; 916154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9175dbe906fSPaul Blakey 9185dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 9195dbe906fSPaul Blakey if (!IS_ERR(rule)) 9205dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_SLOW; 9215dbe906fSPaul Blakey 9225dbe906fSPaul Blakey return rule; 9235dbe906fSPaul Blakey } 9245dbe906fSPaul Blakey 9255dbe906fSPaul Blakey static void 9265dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 9275dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9285dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9295dbe906fSPaul Blakey { 9305dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 931154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9322be09de7SDavid S. Miller slow_attr->split_count = 0; 933154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9345dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 9355dbe906fSPaul Blakey flow->flags &= ~MLX5E_TC_FLOW_SLOW; 9365dbe906fSPaul Blakey } 9375dbe906fSPaul Blakey 938b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 939b4a23329SRoi Dayan { 940b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 941b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 942b4a23329SRoi Dayan struct mlx5_eswitch *esw; 943b4a23329SRoi Dayan 944b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 945b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 946b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 947b4a23329SRoi Dayan 948b4a23329SRoi Dayan flow->flags |= MLX5E_TC_FLOW_NOT_READY; 949b4a23329SRoi Dayan list_add_tail(&flow->unready, &uplink_priv->unready_flows); 950b4a23329SRoi Dayan } 951b4a23329SRoi Dayan 952b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 953b4a23329SRoi Dayan { 954b4a23329SRoi Dayan list_del(&flow->unready); 955b4a23329SRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_NOT_READY; 956b4a23329SRoi Dayan } 957b4a23329SRoi Dayan 958c83954abSRabie Loulou static int 95974491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 960e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 961e98bedf5SEli Britstein struct netlink_ext_ack *extack) 962adb4c123SOr Gerlitz { 963adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 964bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 965aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 9667040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 967bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 9683c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 969b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 9703c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 9713c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 9720ad060eeSRoi Dayan bool encap_valid = true; 9730ad060eeSRoi Dayan int err = 0; 974f493f155SEli Britstein int out_index; 9758b32580dSOr Gerlitz 976d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 977d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 978d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 979d14f6f2aSOr Gerlitz } 980e52c2802SPaul Blakey 981bf07aa73SPaul Blakey if (attr->chain > max_chain) { 982bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 983bf07aa73SPaul Blakey err = -EOPNOTSUPP; 984bf07aa73SPaul Blakey goto err_max_prio_chain; 985bf07aa73SPaul Blakey } 986bf07aa73SPaul Blakey 987bf07aa73SPaul Blakey if (attr->prio > max_prio) { 988bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 989bf07aa73SPaul Blakey err = -EOPNOTSUPP; 990bf07aa73SPaul Blakey goto err_max_prio_chain; 991bf07aa73SPaul Blakey } 992bf07aa73SPaul Blakey 993f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 9948c4dc42bSEli Britstein int mirred_ifindex; 9958c4dc42bSEli Britstein 996f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 997f493f155SEli Britstein continue; 998f493f155SEli Britstein 9997040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 10003c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 10018c4dc42bSEli Britstein mirred_ifindex); 1002733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 10030ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 10040ad060eeSRoi Dayan if (err) 10053c37745eSOr Gerlitz goto err_attach_encap; 10060ad060eeSRoi Dayan 10073c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 10083c37745eSOr Gerlitz rpriv = out_priv->ppriv; 10091cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 10101cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 10113c37745eSOr Gerlitz } 10123c37745eSOr Gerlitz 10138b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1014c83954abSRabie Loulou if (err) 1015aa0cbbaeSOr Gerlitz goto err_add_vlan; 1016adb4c123SOr Gerlitz 1017d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 10181a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1019d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1020c83954abSRabie Loulou if (err) 1021d7e75a32SOr Gerlitz goto err_mod_hdr; 1022d7e75a32SOr Gerlitz } 1023d7e75a32SOr Gerlitz 1024b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1025f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 1026b8aee822SMark Bloch if (IS_ERR(counter)) { 1027c83954abSRabie Loulou err = PTR_ERR(counter); 1028b8aee822SMark Bloch goto err_create_counter; 1029b8aee822SMark Bloch } 1030b8aee822SMark Bloch 1031b8aee822SMark Bloch attr->counter = counter; 1032b8aee822SMark Bloch } 1033b8aee822SMark Bloch 10340ad060eeSRoi Dayan /* we get here if one of the following takes place: 10350ad060eeSRoi Dayan * (1) there's no error 10360ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 10373c37745eSOr Gerlitz */ 10380ad060eeSRoi Dayan if (!encap_valid) { 10395dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 10405dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 10415dbe906fSPaul Blakey 10425dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 10435dbe906fSPaul Blakey } else { 10446d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 10455dbe906fSPaul Blakey } 10465dbe906fSPaul Blakey 1047c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 1048c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 1049aa0cbbaeSOr Gerlitz goto err_add_rule; 1050c83954abSRabie Loulou } 1051c83954abSRabie Loulou 10525dbe906fSPaul Blakey return 0; 1053aa0cbbaeSOr Gerlitz 1054aa0cbbaeSOr Gerlitz err_add_rule: 1055f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, counter); 1056b8aee822SMark Bloch err_create_counter: 1057513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10581a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1059d7e75a32SOr Gerlitz err_mod_hdr: 1060aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1061aa0cbbaeSOr Gerlitz err_add_vlan: 1062f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10638c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10648c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 10653c37745eSOr Gerlitz err_attach_encap: 1066bf07aa73SPaul Blakey err_max_prio_chain: 1067c83954abSRabie Loulou return err; 1068aa0cbbaeSOr Gerlitz } 1069d85cdccbSOr Gerlitz 10709272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 10719272e3dfSYevgeny Kliteynik { 10729272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 10739272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 10749272e3dfSYevgeny Kliteynik spec->match_value, 10759272e3dfSYevgeny Kliteynik misc_parameters_3); 10769272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 10779272e3dfSYevgeny Kliteynik headers_v, 10789272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 10799272e3dfSYevgeny Kliteynik 10809272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 10819272e3dfSYevgeny Kliteynik } 10829272e3dfSYevgeny Kliteynik 1083d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1084d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1085d85cdccbSOr Gerlitz { 1086d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1087d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10885dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1089f493f155SEli Britstein int out_index; 1090d85cdccbSOr Gerlitz 1091ef06c9eeSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_NOT_READY) { 1092b4a23329SRoi Dayan remove_unready_flow(flow); 1093ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1094ef06c9eeSRoi Dayan return; 1095ef06c9eeSRoi Dayan } 1096ef06c9eeSRoi Dayan 10975dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 10985dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_SLOW) 10995dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 11005dbe906fSPaul Blakey else 11015dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 11025dbe906fSPaul Blakey } 1103d85cdccbSOr Gerlitz 11049272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 11059272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 11069272e3dfSYevgeny Kliteynik 1107513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1108d85cdccbSOr Gerlitz 1109f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 11108c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 11118c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1112f493f155SEli Britstein kvfree(attr->parse_attr); 1113d7e75a32SOr Gerlitz 1114513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11151a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1116b8aee822SMark Bloch 1117b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1118f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1119d85cdccbSOr Gerlitz } 1120d85cdccbSOr Gerlitz 1121232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1122232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1123232c0013SHadar Hen Zion { 11243c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11255dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 11266d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11276d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 112879baaec7SEli Britstein struct encap_flow_item *efi; 1129232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1130232c0013SHadar Hen Zion int err; 1131232c0013SHadar Hen Zion 113254c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 113354c177caSOz Shlomo e->reformat_type, 1134232c0013SHadar Hen Zion e->encap_size, e->encap_header, 113531ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1136232c0013SHadar Hen Zion &e->encap_id); 1137232c0013SHadar Hen Zion if (err) { 1138232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1139232c0013SHadar Hen Zion err); 1140232c0013SHadar Hen Zion return; 1141232c0013SHadar Hen Zion } 1142232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1143f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1144232c0013SHadar Hen Zion 114579baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 11468c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 11478c4dc42bSEli Britstein int i; 11488c4dc42bSEli Britstein 114979baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11503c37745eSOr Gerlitz esw_attr = flow->esw_attr; 11516d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 11526d2a3ed0SOr Gerlitz 11538c4dc42bSEli Britstein esw_attr->dests[efi->index].encap_id = e->encap_id; 11548c4dc42bSEli Britstein esw_attr->dests[efi->index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 11558c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 11568c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 11578c4dc42bSEli Britstein * a valid neighbour. 11588c4dc42bSEli Britstein */ 11598c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 11608c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 11618c4dc42bSEli Britstein continue; 11628c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 11638c4dc42bSEli Britstein all_flow_encaps_valid = false; 11648c4dc42bSEli Britstein break; 11658c4dc42bSEli Britstein } 11668c4dc42bSEli Britstein } 11678c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 11688c4dc42bSEli Britstein if (!all_flow_encaps_valid) 11698c4dc42bSEli Britstein continue; 11705dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 11716d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 11726d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 11736d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1174232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1175232c0013SHadar Hen Zion err); 1176232c0013SHadar Hen Zion continue; 1177232c0013SHadar Hen Zion } 11785dbe906fSPaul Blakey 11795dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 11805dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when slow path rule removed */ 11816d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1182232c0013SHadar Hen Zion } 1183232c0013SHadar Hen Zion } 1184232c0013SHadar Hen Zion 1185232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1186232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1187232c0013SHadar Hen Zion { 11883c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11895dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 11905dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11915dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 119279baaec7SEli Britstein struct encap_flow_item *efi; 1193232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 11945dbe906fSPaul Blakey int err; 1195232c0013SHadar Hen Zion 119679baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 119779baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11985dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 11995dbe906fSPaul Blakey 12005dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 12015dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 12028c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 12038c4dc42bSEli Britstein flow->esw_attr->dests[efi->index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 12045dbe906fSPaul Blakey 12055dbe906fSPaul Blakey if (IS_ERR(rule)) { 12065dbe906fSPaul Blakey err = PTR_ERR(rule); 12075dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 12085dbe906fSPaul Blakey err); 12095dbe906fSPaul Blakey continue; 12105dbe906fSPaul Blakey } 12115dbe906fSPaul Blakey 12126d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 12135dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when fast path rule removed */ 12145dbe906fSPaul Blakey flow->rule[0] = rule; 1215232c0013SHadar Hen Zion } 1216232c0013SHadar Hen Zion 121761c806daSOr Gerlitz /* we know that the encap is valid */ 1218232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 121960786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1220232c0013SHadar Hen Zion } 1221232c0013SHadar Hen Zion 1222b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1223b8aee822SMark Bloch { 1224b8aee822SMark Bloch if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1225b8aee822SMark Bloch return flow->esw_attr->counter; 1226b8aee822SMark Bloch else 1227b8aee822SMark Bloch return flow->nic_attr->counter; 1228b8aee822SMark Bloch } 1229b8aee822SMark Bloch 1230f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1231f6dfb4c3SHadar Hen Zion { 1232f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1233f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1234f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1235f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1236f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1237f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1238f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1239f6dfb4c3SHadar Hen Zion struct neighbour *n; 1240f6dfb4c3SHadar Hen Zion 1241f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1242f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1243f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1244f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1245423c9db2SOr Gerlitz tbl = &nd_tbl; 1246f6dfb4c3SHadar Hen Zion #endif 1247f6dfb4c3SHadar Hen Zion else 1248f6dfb4c3SHadar Hen Zion return; 1249f6dfb4c3SHadar Hen Zion 1250f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 125179baaec7SEli Britstein struct encap_flow_item *efi; 1252f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1253f6dfb4c3SHadar Hen Zion continue; 125479baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 125579baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 125679baaec7SEli Britstein encaps[efi->index]); 1257f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 1258b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 1259f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1260f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1261f6dfb4c3SHadar Hen Zion neigh_used = true; 1262f6dfb4c3SHadar Hen Zion break; 1263f6dfb4c3SHadar Hen Zion } 1264f6dfb4c3SHadar Hen Zion } 1265f6dfb4c3SHadar Hen Zion } 1266e36d4810SRoi Dayan if (neigh_used) 1267e36d4810SRoi Dayan break; 1268f6dfb4c3SHadar Hen Zion } 1269f6dfb4c3SHadar Hen Zion 1270f6dfb4c3SHadar Hen Zion if (neigh_used) { 1271f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1272f6dfb4c3SHadar Hen Zion 1273f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1274f6dfb4c3SHadar Hen Zion * dst ip pair 1275f6dfb4c3SHadar Hen Zion */ 1276f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1277c7f7ba8dSRoi Dayan if (!n) 1278f6dfb4c3SHadar Hen Zion return; 1279f6dfb4c3SHadar Hen Zion 1280f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1281f6dfb4c3SHadar Hen Zion neigh_release(n); 1282f6dfb4c3SHadar Hen Zion } 1283f6dfb4c3SHadar Hen Zion } 1284f6dfb4c3SHadar Hen Zion 1285d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 12868c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index) 1287d85cdccbSOr Gerlitz { 12888c4dc42bSEli Britstein struct list_head *next = flow->encaps[out_index].list.next; 12895067b602SRoi Dayan 12908c4dc42bSEli Britstein list_del(&flow->encaps[out_index].list); 12915067b602SRoi Dayan if (list_empty(next)) { 1292c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 12935067b602SRoi Dayan 1294c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1295232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1296232c0013SHadar Hen Zion 1297232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 129860786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1299232c0013SHadar Hen Zion 1300cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1301232c0013SHadar Hen Zion kfree(e->encap_header); 13025067b602SRoi Dayan kfree(e); 13035067b602SRoi Dayan } 13045067b602SRoi Dayan } 13055067b602SRoi Dayan 130604de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 130704de7ddaSRoi Dayan { 130804de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 130904de7ddaSRoi Dayan 131004de7ddaSRoi Dayan if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 131104de7ddaSRoi Dayan !(flow->flags & MLX5E_TC_FLOW_DUP)) 131204de7ddaSRoi Dayan return; 131304de7ddaSRoi Dayan 131404de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 131504de7ddaSRoi Dayan list_del(&flow->peer); 131604de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 131704de7ddaSRoi Dayan 131804de7ddaSRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_DUP; 131904de7ddaSRoi Dayan 132004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 132104de7ddaSRoi Dayan kvfree(flow->peer_flow); 132204de7ddaSRoi Dayan flow->peer_flow = NULL; 132304de7ddaSRoi Dayan } 132404de7ddaSRoi Dayan 132504de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 132604de7ddaSRoi Dayan { 132704de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 132804de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 132904de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 133004de7ddaSRoi Dayan 133104de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 133204de7ddaSRoi Dayan if (!peer_esw) 133304de7ddaSRoi Dayan return; 133404de7ddaSRoi Dayan 133504de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 133604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 133704de7ddaSRoi Dayan } 133804de7ddaSRoi Dayan 1339e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1340961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1341e8f887acSAmir Vadai { 134204de7ddaSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 134304de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1344d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 134504de7ddaSRoi Dayan } else { 1346d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1347e8f887acSAmir Vadai } 134804de7ddaSRoi Dayan } 1349e8f887acSAmir Vadai 1350bbd00f7eSHadar Hen Zion 1351bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1352bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1353f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 13546363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1355bbd00f7eSHadar Hen Zion { 1356e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1357bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1358bbd00f7eSHadar Hen Zion outer_headers); 1359bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1360bbd00f7eSHadar Hen Zion outer_headers); 1361f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 13628f256622SPablo Neira Ayuso int err; 1363bbd00f7eSHadar Hen Zion 1364101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 13656363651dSOr Gerlitz headers_c, headers_v, match_level); 136654c177caSOz Shlomo if (err) { 136754c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 136854c177caSOz Shlomo "failed to parse tunnel attributes"); 1369101f4de9SOz Shlomo return err; 1370bbd00f7eSHadar Hen Zion } 1371bbd00f7eSHadar Hen Zion 1372d1bda7eeSTonghao Zhang if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) { 13738f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 13748f256622SPablo Neira Ayuso 13758f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1376bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1377bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13788f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1379bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1380bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13818f256622SPablo Neira Ayuso ntohl(match.key->src)); 1382bbd00f7eSHadar Hen Zion 1383bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1384bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13858f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1386bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1387bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13888f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1389bbd00f7eSHadar Hen Zion 1390bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1391bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 1392d1bda7eeSTonghao Zhang } else if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS)) { 13938f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 139419f44401SOr Gerlitz 13958f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 139619f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 139719f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13988f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 139919f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 140019f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 14018f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 140219f44401SOr Gerlitz 140319f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 140419f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 14058f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 140619f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 140719f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 14088f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 140919f44401SOr Gerlitz 141019f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 141119f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 14122e72eb43SOr Gerlitz } 1413bbd00f7eSHadar Hen Zion 14148f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 14158f256622SPablo Neira Ayuso struct flow_match_ip match; 1416bcef735cSOr Gerlitz 14178f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 14188f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 14198f256622SPablo Neira Ayuso match.mask->tos & 0x3); 14208f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 14218f256622SPablo Neira Ayuso match.key->tos & 0x3); 1422bcef735cSOr Gerlitz 14238f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 14248f256622SPablo Neira Ayuso match.mask->tos >> 2); 14258f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 14268f256622SPablo Neira Ayuso match.key->tos >> 2); 1427bcef735cSOr Gerlitz 14288f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 14298f256622SPablo Neira Ayuso match.mask->ttl); 14308f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 14318f256622SPablo Neira Ayuso match.key->ttl); 1432e98bedf5SEli Britstein 14338f256622SPablo Neira Ayuso if (match.mask->ttl && 1434e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1435e98bedf5SEli Britstein (priv->mdev, 1436e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1437e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1438e98bedf5SEli Britstein "Matching on TTL is not supported"); 1439e98bedf5SEli Britstein return -EOPNOTSUPP; 1440e98bedf5SEli Britstein } 1441e98bedf5SEli Britstein 1442bcef735cSOr Gerlitz } 1443bcef735cSOr Gerlitz 1444bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1445bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1446bbd00f7eSHadar Hen Zion */ 1447bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1448bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1449bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1450bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1451bbd00f7eSHadar Hen Zion 1452bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1453bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1454bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1455bbd00f7eSHadar Hen Zion 1456bbd00f7eSHadar Hen Zion return 0; 1457bbd00f7eSHadar Hen Zion } 1458bbd00f7eSHadar Hen Zion 14598377629eSEli Britstein static void *get_match_headers_criteria(u32 flags, 14608377629eSEli Britstein struct mlx5_flow_spec *spec) 14618377629eSEli Britstein { 14628377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 14638377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 14648377629eSEli Britstein inner_headers) : 14658377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 14668377629eSEli Britstein outer_headers); 14678377629eSEli Britstein } 14688377629eSEli Britstein 14698377629eSEli Britstein static void *get_match_headers_value(u32 flags, 14708377629eSEli Britstein struct mlx5_flow_spec *spec) 14718377629eSEli Britstein { 14728377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 14738377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 14748377629eSEli Britstein inner_headers) : 14758377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 14768377629eSEli Britstein outer_headers); 14778377629eSEli Britstein } 14788377629eSEli Britstein 1479de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1480de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1481f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 148254c177caSOz Shlomo struct net_device *filter_dev, 14836363651dSOr Gerlitz u8 *match_level, u8 *tunnel_match_level) 1484e3a2b7edSAmir Vadai { 1485e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1486c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1487c5bb1730SMaor Gottlieb outer_headers); 1488c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1489c5bb1730SMaor Gottlieb outer_headers); 1490699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1491699e96ddSJianbo Liu misc_parameters); 1492699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1493699e96ddSJianbo Liu misc_parameters); 1494f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 14958f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1496e3a2b7edSAmir Vadai u16 addr_type = 0; 1497e3a2b7edSAmir Vadai u8 ip_proto = 0; 1498e3a2b7edSAmir Vadai 1499d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1500de0af0bfSRoi Dayan 15018f256622SPablo Neira Ayuso if (dissector->used_keys & 15023d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 15033d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1504e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1505e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1506095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1507699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1508e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1509e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1510bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1511bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1512bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1513bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1514bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1515e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1516fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1517bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 15189272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 15199272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) { 1520e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1521e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 15228f256622SPablo Neira Ayuso dissector->used_keys); 1523e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1524e3a2b7edSAmir Vadai } 1525e3a2b7edSAmir Vadai 1526075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 15276363651dSOr Gerlitz if (parse_tunnel_attr(priv, spec, f, filter_dev, tunnel_match_level)) 1528bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1529bbd00f7eSHadar Hen Zion 1530bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1531bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1532bbd00f7eSHadar Hen Zion */ 15338377629eSEli Britstein headers_c = get_match_headers_criteria(MLX5_FLOW_CONTEXT_ACTION_DECAP, 15348377629eSEli Britstein spec); 15358377629eSEli Britstein headers_v = get_match_headers_value(MLX5_FLOW_CONTEXT_ACTION_DECAP, 15368377629eSEli Britstein spec); 1537bbd00f7eSHadar Hen Zion } 1538bbd00f7eSHadar Hen Zion 15398f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 15408f256622SPablo Neira Ayuso struct flow_match_basic match; 1541e3a2b7edSAmir Vadai 15428f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 15438f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 15448f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 15458f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 15468f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 15478f256622SPablo Neira Ayuso 15488f256622SPablo Neira Ayuso if (match.mask->n_proto) 1549d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1550e3a2b7edSAmir Vadai } 155135a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 155235a605dbSEli Britstein is_vlan_dev(filter_dev)) { 155335a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 155435a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 15558f256622SPablo Neira Ayuso struct flow_match_vlan match; 15568f256622SPablo Neira Ayuso 155735a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 155835a605dbSEli Britstein match.key = &filter_dev_key; 155935a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 156035a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 156135a605dbSEli Britstein match.key->vlan_priority = 0; 156235a605dbSEli Britstein match.mask = &filter_dev_mask; 156335a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 156435a605dbSEli Britstein match.mask->vlan_priority = 0; 156535a605dbSEli Britstein } else { 15668f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 156735a605dbSEli Britstein } 15688f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15698f256622SPablo Neira Ayuso match.mask->vlan_priority || 15708f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15718f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1572699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1573699e96ddSJianbo Liu svlan_tag, 1); 1574699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1575699e96ddSJianbo Liu svlan_tag, 1); 1576699e96ddSJianbo Liu } else { 1577699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1578699e96ddSJianbo Liu cvlan_tag, 1); 1579699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1580699e96ddSJianbo Liu cvlan_tag, 1); 1581699e96ddSJianbo Liu } 1582095b6cfdSOr Gerlitz 15838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 15848f256622SPablo Neira Ayuso match.mask->vlan_id); 15858f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 15868f256622SPablo Neira Ayuso match.key->vlan_id); 1587358d79a4SOr Gerlitz 15888f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 15898f256622SPablo Neira Ayuso match.mask->vlan_priority); 15908f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 15918f256622SPablo Neira Ayuso match.key->vlan_priority); 159254782900SOr Gerlitz 1593d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1594095b6cfdSOr Gerlitz } 1595d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1596fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 1597fc603294SMark Bloch * disabled in match value means both S & C tags 1598fc603294SMark Bloch * don't exist (untagged of both) 1599fc603294SMark Bloch */ 1600cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1601d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1602095b6cfdSOr Gerlitz } 1603095b6cfdSOr Gerlitz 16048f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 16058f256622SPablo Neira Ayuso struct flow_match_vlan match; 16068f256622SPablo Neira Ayuso 160712d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 16088f256622SPablo Neira Ayuso if (match.mask->vlan_id || 16098f256622SPablo Neira Ayuso match.mask->vlan_priority || 16108f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 16118f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1612699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1613699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1614699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1615699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1616699e96ddSJianbo Liu } else { 1617699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1618699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1619699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1620699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1621699e96ddSJianbo Liu } 1622699e96ddSJianbo Liu 1623699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 16248f256622SPablo Neira Ayuso match.mask->vlan_id); 1625699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 16268f256622SPablo Neira Ayuso match.key->vlan_id); 1627699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 16288f256622SPablo Neira Ayuso match.mask->vlan_priority); 1629699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 16308f256622SPablo Neira Ayuso match.key->vlan_priority); 1631699e96ddSJianbo Liu 1632699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1633699e96ddSJianbo Liu } 1634699e96ddSJianbo Liu } 1635699e96ddSJianbo Liu 16368f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 16378f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 163854782900SOr Gerlitz 16398f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1640d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1641d3a80bb5SOr Gerlitz dmac_47_16), 16428f256622SPablo Neira Ayuso match.mask->dst); 1643d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1644d3a80bb5SOr Gerlitz dmac_47_16), 16458f256622SPablo Neira Ayuso match.key->dst); 1646d3a80bb5SOr Gerlitz 1647d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1648d3a80bb5SOr Gerlitz smac_47_16), 16498f256622SPablo Neira Ayuso match.mask->src); 1650d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1651d3a80bb5SOr Gerlitz smac_47_16), 16528f256622SPablo Neira Ayuso match.key->src); 1653d3a80bb5SOr Gerlitz 16548f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 16558f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1656d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 165754782900SOr Gerlitz } 165854782900SOr Gerlitz 16598f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 16608f256622SPablo Neira Ayuso struct flow_match_control match; 166154782900SOr Gerlitz 16628f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 16638f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 166454782900SOr Gerlitz 166554782900SOr Gerlitz /* the HW doesn't support frag first/later */ 16668f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 166754782900SOr Gerlitz return -EOPNOTSUPP; 166854782900SOr Gerlitz 16698f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 167054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 167154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 16728f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 167354782900SOr Gerlitz 167454782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 16758f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 167683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 167754782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 167854782900SOr Gerlitz else 167983621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 168054782900SOr Gerlitz } 168154782900SOr Gerlitz } 168254782900SOr Gerlitz 16838f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 16848f256622SPablo Neira Ayuso struct flow_match_basic match; 16858f256622SPablo Neira Ayuso 16868f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 16878f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 168854782900SOr Gerlitz 168954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 16908f256622SPablo Neira Ayuso match.mask->ip_proto); 169154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 16928f256622SPablo Neira Ayuso match.key->ip_proto); 169354782900SOr Gerlitz 16948f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1695d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 169654782900SOr Gerlitz } 169754782900SOr Gerlitz 1698e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 16998f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1700e3a2b7edSAmir Vadai 17018f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1702e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1703e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 17048f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1705e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1706e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 17078f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1708e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1709e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 17108f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1711e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1712e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 17138f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1714de0af0bfSRoi Dayan 17158f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1716d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1717e3a2b7edSAmir Vadai } 1718e3a2b7edSAmir Vadai 1719e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 17208f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1721e3a2b7edSAmir Vadai 17228f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1723e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1724e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 17258f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1726e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1727e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 17288f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1729e3a2b7edSAmir Vadai 1730e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1731e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 17328f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1733e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1734e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 17358f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1736de0af0bfSRoi Dayan 17378f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 17388f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 1739d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1740e3a2b7edSAmir Vadai } 1741e3a2b7edSAmir Vadai 17428f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 17438f256622SPablo Neira Ayuso struct flow_match_ip match; 17441f97a526SOr Gerlitz 17458f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 17468f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 17478f256622SPablo Neira Ayuso match.mask->tos & 0x3); 17488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 17498f256622SPablo Neira Ayuso match.key->tos & 0x3); 17501f97a526SOr Gerlitz 17518f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 17528f256622SPablo Neira Ayuso match.mask->tos >> 2); 17538f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 17548f256622SPablo Neira Ayuso match.key->tos >> 2); 17551f97a526SOr Gerlitz 17568f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 17578f256622SPablo Neira Ayuso match.mask->ttl); 17588f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 17598f256622SPablo Neira Ayuso match.key->ttl); 17601f97a526SOr Gerlitz 17618f256622SPablo Neira Ayuso if (match.mask->ttl && 1762a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1763e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1764e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1765e98bedf5SEli Britstein "Matching on TTL is not supported"); 17661f97a526SOr Gerlitz return -EOPNOTSUPP; 1767e98bedf5SEli Britstein } 1768a8ade55fSOr Gerlitz 17698f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 1770d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 17711f97a526SOr Gerlitz } 17721f97a526SOr Gerlitz 177354782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 177454782900SOr Gerlitz 17758f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 17768f256622SPablo Neira Ayuso struct flow_match_ports match; 17778f256622SPablo Neira Ayuso 17788f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 1779e3a2b7edSAmir Vadai switch (ip_proto) { 1780e3a2b7edSAmir Vadai case IPPROTO_TCP: 1781e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17828f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 1783e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17848f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 1785e3a2b7edSAmir Vadai 1786e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17878f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 1788e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17898f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 1790e3a2b7edSAmir Vadai break; 1791e3a2b7edSAmir Vadai 1792e3a2b7edSAmir Vadai case IPPROTO_UDP: 1793e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17948f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 1795e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17968f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 1797e3a2b7edSAmir Vadai 1798e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17998f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 1800e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 18018f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 1802e3a2b7edSAmir Vadai break; 1803e3a2b7edSAmir Vadai default: 1804e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1805e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1806e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1807e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1808e3a2b7edSAmir Vadai return -EINVAL; 1809e3a2b7edSAmir Vadai } 1810de0af0bfSRoi Dayan 18118f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1812d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1813e3a2b7edSAmir Vadai } 1814e3a2b7edSAmir Vadai 18158f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 18168f256622SPablo Neira Ayuso struct flow_match_tcp match; 1817e77834ecSOr Gerlitz 18188f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 1819e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 18208f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 1821e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 18228f256622SPablo Neira Ayuso ntohs(match.key->flags)); 1823e77834ecSOr Gerlitz 18248f256622SPablo Neira Ayuso if (match.mask->flags) 1825d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1826e77834ecSOr Gerlitz } 1827e77834ecSOr Gerlitz 1828e3a2b7edSAmir Vadai return 0; 1829e3a2b7edSAmir Vadai } 1830e3a2b7edSAmir Vadai 1831de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 183265ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1833de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1834f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 183554c177caSOz Shlomo struct net_device *filter_dev) 1836de0af0bfSRoi Dayan { 1837e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1838de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1839de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 18401d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 18416363651dSOr Gerlitz u8 match_level, tunnel_match_level = MLX5_MATCH_NONE; 18421d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1843de0af0bfSRoi Dayan int err; 1844de0af0bfSRoi Dayan 18456363651dSOr Gerlitz err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level, &tunnel_match_level); 1846de0af0bfSRoi Dayan 18471d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 18481d447a39SSaeed Mahameed rep = rpriv->rep; 1849b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 18501d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1851d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1852e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1853e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1854de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1855de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1856d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1857de0af0bfSRoi Dayan return -EOPNOTSUPP; 1858de0af0bfSRoi Dayan } 1859de0af0bfSRoi Dayan } 1860de0af0bfSRoi Dayan 18616363651dSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 186238aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 18636363651dSOr Gerlitz flow->esw_attr->tunnel_match_level = tunnel_match_level; 18646363651dSOr Gerlitz } else { 186538aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 18666363651dSOr Gerlitz } 186738aa51c1SOr Gerlitz 1868de0af0bfSRoi Dayan return err; 1869de0af0bfSRoi Dayan } 1870de0af0bfSRoi Dayan 1871d79b6df6SOr Gerlitz struct pedit_headers { 1872d79b6df6SOr Gerlitz struct ethhdr eth; 18730eb69bb9SEli Britstein struct vlan_hdr vlan; 1874d79b6df6SOr Gerlitz struct iphdr ip4; 1875d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1876d79b6df6SOr Gerlitz struct tcphdr tcp; 1877d79b6df6SOr Gerlitz struct udphdr udp; 1878d79b6df6SOr Gerlitz }; 1879d79b6df6SOr Gerlitz 1880c500c86bSPablo Neira Ayuso struct pedit_headers_action { 1881c500c86bSPablo Neira Ayuso struct pedit_headers vals; 1882c500c86bSPablo Neira Ayuso struct pedit_headers masks; 1883c500c86bSPablo Neira Ayuso u32 pedits; 1884c500c86bSPablo Neira Ayuso }; 1885c500c86bSPablo Neira Ayuso 1886d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 188773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 188873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 188973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 189073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 189173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1892d79b6df6SOr Gerlitz }; 1893d79b6df6SOr Gerlitz 1894d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1895d79b6df6SOr Gerlitz 1896d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1897c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 1898d79b6df6SOr Gerlitz { 1899d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1900d79b6df6SOr Gerlitz 1901c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 1902c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 1903d79b6df6SOr Gerlitz 1904d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1905d79b6df6SOr Gerlitz goto out_err; 1906d79b6df6SOr Gerlitz 1907d79b6df6SOr Gerlitz *curr_pmask |= mask; 1908d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1909d79b6df6SOr Gerlitz 1910d79b6df6SOr Gerlitz return 0; 1911d79b6df6SOr Gerlitz 1912d79b6df6SOr Gerlitz out_err: 1913d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1914d79b6df6SOr Gerlitz } 1915d79b6df6SOr Gerlitz 1916d79b6df6SOr Gerlitz struct mlx5_fields { 1917d79b6df6SOr Gerlitz u8 field; 1918d79b6df6SOr Gerlitz u8 size; 1919d79b6df6SOr Gerlitz u32 offset; 192027c11b6bSEli Britstein u32 match_offset; 1921d79b6df6SOr Gerlitz }; 1922d79b6df6SOr Gerlitz 192327c11b6bSEli Britstein #define OFFLOAD(fw_field, size, field, off, match_field) \ 192427c11b6bSEli Britstein {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, \ 192527c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 192627c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 192727c11b6bSEli Britstein 19282ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 19292ef86872SEli Britstein * match. 19302ef86872SEli Britstein */ 19312ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 19322ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 19332ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 19342ef86872SEli Britstein type maskx = *(type *)(maskp); \ 19352ef86872SEli Britstein type valx = *(type *)(valp); \ 19362ef86872SEli Britstein \ 19372ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 19382ef86872SEli Britstein matchmaskx)); \ 19392ef86872SEli Britstein }) 19402ef86872SEli Britstein 194127c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 194227c11b6bSEli Britstein void *matchmaskp, int size) 194327c11b6bSEli Britstein { 194427c11b6bSEli Britstein bool same = false; 194527c11b6bSEli Britstein 194627c11b6bSEli Britstein switch (size) { 194727c11b6bSEli Britstein case sizeof(u8): 19482ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 194927c11b6bSEli Britstein break; 195027c11b6bSEli Britstein case sizeof(u16): 19512ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 195227c11b6bSEli Britstein break; 195327c11b6bSEli Britstein case sizeof(u32): 19542ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 195527c11b6bSEli Britstein break; 195627c11b6bSEli Britstein } 195727c11b6bSEli Britstein 195827c11b6bSEli Britstein return same; 195927c11b6bSEli Britstein } 1960a8e4f0c4SOr Gerlitz 1961d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 196227c11b6bSEli Britstein OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0, dmac_47_16), 196327c11b6bSEli Britstein OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0, dmac_15_0), 196427c11b6bSEli Britstein OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0, smac_47_16), 196527c11b6bSEli Britstein OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0, smac_15_0), 196627c11b6bSEli Britstein OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0, ethertype), 196727c11b6bSEli Britstein OFFLOAD(FIRST_VID, 2, vlan.h_vlan_TCI, 0, first_vid), 1968d79b6df6SOr Gerlitz 196927c11b6bSEli Britstein OFFLOAD(IP_TTL, 1, ip4.ttl, 0, ttl_hoplimit), 197027c11b6bSEli Britstein OFFLOAD(SIPV4, 4, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 197127c11b6bSEli Britstein OFFLOAD(DIPV4, 4, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1972d79b6df6SOr Gerlitz 197327c11b6bSEli Britstein OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0, 197427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 197527c11b6bSEli Britstein OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0, 197627c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 197727c11b6bSEli Britstein OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0, 197827c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 197927c11b6bSEli Britstein OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0, 198027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 198127c11b6bSEli Britstein OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0, 198227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 198327c11b6bSEli Britstein OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0, 198427c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 198527c11b6bSEli Britstein OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0, 198627c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 198727c11b6bSEli Britstein OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0, 198827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 198927c11b6bSEli Britstein OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0, ttl_hoplimit), 1990d79b6df6SOr Gerlitz 199127c11b6bSEli Britstein OFFLOAD(TCP_SPORT, 2, tcp.source, 0, tcp_sport), 199227c11b6bSEli Britstein OFFLOAD(TCP_DPORT, 2, tcp.dest, 0, tcp_dport), 199327c11b6bSEli Britstein OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5, tcp_flags), 1994d79b6df6SOr Gerlitz 199527c11b6bSEli Britstein OFFLOAD(UDP_SPORT, 2, udp.source, 0, udp_sport), 199627c11b6bSEli Britstein OFFLOAD(UDP_DPORT, 2, udp.dest, 0, udp_dport), 1997d79b6df6SOr Gerlitz }; 1998d79b6df6SOr Gerlitz 1999218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 2000218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 2001218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 2002d79b6df6SOr Gerlitz */ 2003c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 2004e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 200527c11b6bSEli Britstein u32 *action_flags, 2006e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2007d79b6df6SOr Gerlitz { 2008d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 200927c11b6bSEli Britstein void *headers_c = get_match_headers_criteria(*action_flags, 201027c11b6bSEli Britstein &parse_attr->spec); 201127c11b6bSEli Britstein void *headers_v = get_match_headers_value(*action_flags, 201227c11b6bSEli Britstein &parse_attr->spec); 20132b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 2014d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 2015d79b6df6SOr Gerlitz struct mlx5_fields *f; 2016d79b6df6SOr Gerlitz u8 cmd, field_bsize; 2017e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 2018d79b6df6SOr Gerlitz unsigned long mask; 20192b64bebaSOr Gerlitz __be32 mask_be32; 20202b64bebaSOr Gerlitz __be16 mask_be16; 2021d79b6df6SOr Gerlitz void *action; 2022d79b6df6SOr Gerlitz 202373867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 202473867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 202573867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 202673867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2027d79b6df6SOr Gerlitz 2028d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2029218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 2030218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 2031218d05ceSTonghao Zhang 2032218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 2033218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 2034d79b6df6SOr Gerlitz 2035d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 203627c11b6bSEli Britstein bool skip; 203727c11b6bSEli Britstein 2038d79b6df6SOr Gerlitz f = &fields[i]; 2039d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2040e3ca4e05SOr Gerlitz s_mask = 0; 2041e3ca4e05SOr Gerlitz a_mask = 0; 2042d79b6df6SOr Gerlitz 2043d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2044d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2045d79b6df6SOr Gerlitz 2046d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 2047d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 2048d79b6df6SOr Gerlitz 2049d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2050d79b6df6SOr Gerlitz continue; 2051d79b6df6SOr Gerlitz 2052d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2053e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2054e98bedf5SEli Britstein "can't set and add to the same HW field"); 2055d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2056d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2057d79b6df6SOr Gerlitz } 2058d79b6df6SOr Gerlitz 2059d79b6df6SOr Gerlitz if (nactions == max_actions) { 2060e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2061e98bedf5SEli Britstein "too many pedit actions, can't offload"); 2062d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 2063d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2064d79b6df6SOr Gerlitz } 2065d79b6df6SOr Gerlitz 206627c11b6bSEli Britstein skip = false; 2067d79b6df6SOr Gerlitz if (s_mask) { 206827c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 206927c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 207027c11b6bSEli Britstein 2071d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2072d79b6df6SOr Gerlitz mask = s_mask; 2073d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 207427c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 207527c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 207627c11b6bSEli Britstein match_mask, f->size)) 207727c11b6bSEli Britstein skip = true; 2078d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2079d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 2080d79b6df6SOr Gerlitz } else { 208127c11b6bSEli Britstein u32 zero = 0; 208227c11b6bSEli Britstein 2083d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2084d79b6df6SOr Gerlitz mask = a_mask; 2085d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 208627c11b6bSEli Britstein /* add 0 is no change */ 208727c11b6bSEli Britstein if (!memcmp(vals_p, &zero, f->size)) 208827c11b6bSEli Britstein skip = true; 2089d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2090d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 2091d79b6df6SOr Gerlitz } 209227c11b6bSEli Britstein if (skip) 209327c11b6bSEli Britstein continue; 2094d79b6df6SOr Gerlitz 2095d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 2096e3ca4e05SOr Gerlitz 20972b64bebaSOr Gerlitz if (field_bsize == 32) { 20982b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 20992b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 21002b64bebaSOr Gerlitz } else if (field_bsize == 16) { 21012b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 21022b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 21032b64bebaSOr Gerlitz } 21042b64bebaSOr Gerlitz 2105d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 21062b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 2107d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 21082b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2109e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2110e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 21112b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2112d79b6df6SOr Gerlitz mask); 2113d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2114d79b6df6SOr Gerlitz } 2115d79b6df6SOr Gerlitz 2116d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2117d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2118d79b6df6SOr Gerlitz 2119d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 21202b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 2121d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 21222b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2123d79b6df6SOr Gerlitz } 2124d79b6df6SOr Gerlitz 2125d79b6df6SOr Gerlitz if (field_bsize == 32) 21262b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 2127d79b6df6SOr Gerlitz else if (field_bsize == 16) 21282b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 2129d79b6df6SOr Gerlitz else if (field_bsize == 8) 21302b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2131d79b6df6SOr Gerlitz 2132d79b6df6SOr Gerlitz action += action_size; 2133d79b6df6SOr Gerlitz nactions++; 2134d79b6df6SOr Gerlitz } 2135d79b6df6SOr Gerlitz 2136d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2137d79b6df6SOr Gerlitz return 0; 2138d79b6df6SOr Gerlitz } 2139d79b6df6SOr Gerlitz 21402cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 21412cc1cb1dSTonghao Zhang int namespace) 21422cc1cb1dSTonghao Zhang { 21432cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 21442cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 21452cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 21462cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 21472cc1cb1dSTonghao Zhang } 21482cc1cb1dSTonghao Zhang 2149d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2150c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2151c500c86bSPablo Neira Ayuso int namespace, 2152d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2153d79b6df6SOr Gerlitz { 2154d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2155d79b6df6SOr Gerlitz 2156c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2157c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2158d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2159d79b6df6SOr Gerlitz 21602cc1cb1dSTonghao Zhang max_actions = mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace); 2161d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2162d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2163d79b6df6SOr Gerlitz 2164d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2165d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2166d79b6df6SOr Gerlitz return -ENOMEM; 2167d79b6df6SOr Gerlitz 2168218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2169d79b6df6SOr Gerlitz return 0; 2170d79b6df6SOr Gerlitz } 2171d79b6df6SOr Gerlitz 2172d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2173d79b6df6SOr Gerlitz 2174d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 217573867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2176e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2177c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2178e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2179d79b6df6SOr Gerlitz { 218073867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 218173867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2182d79b6df6SOr Gerlitz u32 mask, val, offset; 218373867881SPablo Neira Ayuso u8 htype; 2184d79b6df6SOr Gerlitz 218573867881SPablo Neira Ayuso htype = act->mangle.htype; 2186d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2187d79b6df6SOr Gerlitz 218873867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 218973867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2190d79b6df6SOr Gerlitz goto out_err; 2191d79b6df6SOr Gerlitz } 2192d79b6df6SOr Gerlitz 21932cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 21942cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 21952cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 21962cc1cb1dSTonghao Zhang goto out_err; 21972cc1cb1dSTonghao Zhang } 21982cc1cb1dSTonghao Zhang 219973867881SPablo Neira Ayuso mask = act->mangle.mask; 220073867881SPablo Neira Ayuso val = act->mangle.val; 220173867881SPablo Neira Ayuso offset = act->mangle.offset; 2202d79b6df6SOr Gerlitz 2203c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2204d79b6df6SOr Gerlitz if (err) 2205d79b6df6SOr Gerlitz goto out_err; 2206c500c86bSPablo Neira Ayuso 2207c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2208d79b6df6SOr Gerlitz 2209c500c86bSPablo Neira Ayuso return 0; 2210c500c86bSPablo Neira Ayuso out_err: 2211c500c86bSPablo Neira Ayuso return err; 2212c500c86bSPablo Neira Ayuso } 2213c500c86bSPablo Neira Ayuso 2214c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2215c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2216c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 221727c11b6bSEli Britstein u32 *action_flags, 2218c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2219c500c86bSPablo Neira Ayuso { 2220c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2221c500c86bSPablo Neira Ayuso int err; 2222c500c86bSPablo Neira Ayuso u8 cmd; 2223c500c86bSPablo Neira Ayuso 2224218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2225c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2226d79b6df6SOr Gerlitz if (err) 2227d79b6df6SOr Gerlitz goto out_err; 2228218d05ceSTonghao Zhang } 2229d79b6df6SOr Gerlitz 223027c11b6bSEli Britstein err = offload_pedit_fields(hdrs, parse_attr, action_flags, extack); 2231d79b6df6SOr Gerlitz if (err < 0) 2232d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2233d79b6df6SOr Gerlitz 2234d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2235c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2236d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2237e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2238e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2239b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2240d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2241d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2242d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2243d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2244d79b6df6SOr Gerlitz } 2245d79b6df6SOr Gerlitz } 2246d79b6df6SOr Gerlitz 2247d79b6df6SOr Gerlitz return 0; 2248d79b6df6SOr Gerlitz 2249d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2250d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2251d79b6df6SOr Gerlitz out_err: 2252d79b6df6SOr Gerlitz return err; 2253d79b6df6SOr Gerlitz } 2254d79b6df6SOr Gerlitz 2255e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2256e98bedf5SEli Britstein u32 action, 2257e98bedf5SEli Britstein u32 update_flags, 2258e98bedf5SEli Britstein struct netlink_ext_ack *extack) 225926c02749SOr Gerlitz { 226026c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 226126c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 226226c02749SOr Gerlitz 226326c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 226426c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2265e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2266e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 226726c02749SOr Gerlitz netdev_warn(priv->netdev, 226826c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 226926c02749SOr Gerlitz return false; 227026c02749SOr Gerlitz } 227126c02749SOr Gerlitz 227226c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2273e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2274e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 227526c02749SOr Gerlitz netdev_warn(priv->netdev, 227626c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 227726c02749SOr Gerlitz update_flags); 227826c02749SOr Gerlitz return false; 227926c02749SOr Gerlitz } 228026c02749SOr Gerlitz 228126c02749SOr Gerlitz return true; 228226c02749SOr Gerlitz } 228326c02749SOr Gerlitz 22848998576bSDmytro Linkin struct ip_ttl_word { 22858998576bSDmytro Linkin __u8 ttl; 22868998576bSDmytro Linkin __u8 protocol; 22878998576bSDmytro Linkin __sum16 check; 22888998576bSDmytro Linkin }; 22898998576bSDmytro Linkin 22908998576bSDmytro Linkin struct ipv6_hoplimit_word { 22918998576bSDmytro Linkin __be16 payload_len; 22928998576bSDmytro Linkin __u8 nexthdr; 22938998576bSDmytro Linkin __u8 hop_limit; 22948998576bSDmytro Linkin }; 22958998576bSDmytro Linkin 22968998576bSDmytro Linkin static bool is_action_keys_supported(const struct flow_action_entry *act) 22978998576bSDmytro Linkin { 22988998576bSDmytro Linkin u32 mask, offset; 22998998576bSDmytro Linkin u8 htype; 23008998576bSDmytro Linkin 23018998576bSDmytro Linkin htype = act->mangle.htype; 23028998576bSDmytro Linkin offset = act->mangle.offset; 23038998576bSDmytro Linkin mask = ~act->mangle.mask; 23048998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 23058998576bSDmytro Linkin * to determine that modified fields 23068998576bSDmytro Linkin * are NOT ttl & hop_limit only. 23078998576bSDmytro Linkin */ 23088998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 23098998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 23108998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 23118998576bSDmytro Linkin 23128998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 23138998576bSDmytro Linkin ttl_word->protocol || 23148998576bSDmytro Linkin ttl_word->check) { 23158998576bSDmytro Linkin return true; 23168998576bSDmytro Linkin } 23178998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 23188998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 23198998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 23208998576bSDmytro Linkin 23218998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 23228998576bSDmytro Linkin hoplimit_word->payload_len || 23238998576bSDmytro Linkin hoplimit_word->nexthdr) { 23248998576bSDmytro Linkin return true; 23258998576bSDmytro Linkin } 23268998576bSDmytro Linkin } 23278998576bSDmytro Linkin return false; 23288998576bSDmytro Linkin } 23298998576bSDmytro Linkin 2330bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 233173867881SPablo Neira Ayuso struct flow_action *flow_action, 23321651925dSGuy Shattah u32 actions, 2333e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2334bdd66ac0SOr Gerlitz { 233573867881SPablo Neira Ayuso const struct flow_action_entry *act; 2336bdd66ac0SOr Gerlitz bool modify_ip_header; 2337bdd66ac0SOr Gerlitz void *headers_v; 2338bdd66ac0SOr Gerlitz u16 ethertype; 23398998576bSDmytro Linkin u8 ip_proto; 234073867881SPablo Neira Ayuso int i; 2341bdd66ac0SOr Gerlitz 23428377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 2343bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2344bdd66ac0SOr Gerlitz 2345bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2346bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2347bdd66ac0SOr Gerlitz goto out_ok; 2348bdd66ac0SOr Gerlitz 2349bdd66ac0SOr Gerlitz modify_ip_header = false; 235073867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 235173867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 235273867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2353bdd66ac0SOr Gerlitz continue; 2354bdd66ac0SOr Gerlitz 23558998576bSDmytro Linkin if (is_action_keys_supported(act)) { 2356bdd66ac0SOr Gerlitz modify_ip_header = true; 2357bdd66ac0SOr Gerlitz break; 2358bdd66ac0SOr Gerlitz } 2359bdd66ac0SOr Gerlitz } 2360bdd66ac0SOr Gerlitz 2361bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 23621ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 23631ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2364e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2365e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2366bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2367bdd66ac0SOr Gerlitz return false; 2368bdd66ac0SOr Gerlitz } 2369bdd66ac0SOr Gerlitz 2370bdd66ac0SOr Gerlitz out_ok: 2371bdd66ac0SOr Gerlitz return true; 2372bdd66ac0SOr Gerlitz } 2373bdd66ac0SOr Gerlitz 2374bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 237573867881SPablo Neira Ayuso struct flow_action *flow_action, 2376bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2377e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2378e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2379bdd66ac0SOr Gerlitz { 2380bdd66ac0SOr Gerlitz u32 actions; 2381bdd66ac0SOr Gerlitz 2382bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2383bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2384bdd66ac0SOr Gerlitz else 2385bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2386bdd66ac0SOr Gerlitz 23877e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 238835a605dbSEli Britstein !((actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) || 238935a605dbSEli Britstein (actions & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP))) 23907e29392eSRoi Dayan return false; 23917e29392eSRoi Dayan 2392bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 239373867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2394a655fe9fSDavid S. Miller flow_action, actions, 2395e98bedf5SEli Britstein extack); 2396bdd66ac0SOr Gerlitz 2397bdd66ac0SOr Gerlitz return true; 2398bdd66ac0SOr Gerlitz } 2399bdd66ac0SOr Gerlitz 24005c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 24015c65c564SOr Gerlitz { 24025c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2403816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 24045c65c564SOr Gerlitz 24055c65c564SOr Gerlitz fmdev = priv->mdev; 24065c65c564SOr Gerlitz pmdev = peer_priv->mdev; 24075c65c564SOr Gerlitz 240859c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 240959c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 24105c65c564SOr Gerlitz 2411816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 24125c65c564SOr Gerlitz } 24135c65c564SOr Gerlitz 2414bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2415bdc837eeSEli Britstein const struct flow_action_entry *act, 2416bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2417bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2418bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2419bdc837eeSEli Britstein { 2420bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2421bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2422bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2423bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2424bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2425bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2426bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2427bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2428bdc837eeSEli Britstein }; 24296fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 2430bf2f3bcaSEli Britstein void *headers_c, *headers_v; 2431bdc837eeSEli Britstein int err; 2432bdc837eeSEli Britstein 2433bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 2434bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 2435bf2f3bcaSEli Britstein 2436bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 2437bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 2438bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 2439bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 2440bf2f3bcaSEli Britstein return -EOPNOTSUPP; 2441bf2f3bcaSEli Britstein } 2442bf2f3bcaSEli Britstein 24436fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 24446fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 24456fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 24466fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 24476fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 2448bdc837eeSEli Britstein return -EOPNOTSUPP; 2449bdc837eeSEli Britstein } 2450bdc837eeSEli Britstein 2451bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2452bdc837eeSEli Britstein hdrs, NULL); 2453bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2454bdc837eeSEli Britstein 2455bdc837eeSEli Britstein return err; 2456bdc837eeSEli Britstein } 2457bdc837eeSEli Britstein 24580bac1194SEli Britstein static int 24590bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 24600bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 24610bac1194SEli Britstein struct pedit_headers_action *hdrs, 24620bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 24630bac1194SEli Britstein { 24640bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 24650bac1194SEli Britstein .vlan.vid = 0, 24660bac1194SEli Britstein .vlan.prio = 24670bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 24680bac1194SEli Britstein get_match_headers_value(*action, 24690bac1194SEli Britstein &parse_attr->spec), 24700bac1194SEli Britstein first_prio) & 24710bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 24720bac1194SEli Britstein get_match_headers_criteria(*action, 24730bac1194SEli Britstein &parse_attr->spec), 24740bac1194SEli Britstein first_prio), 24750bac1194SEli Britstein }; 24760bac1194SEli Britstein 24770bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 24780bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 24790bac1194SEli Britstein extack); 24800bac1194SEli Britstein } 24810bac1194SEli Britstein 248273867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 248373867881SPablo Neira Ayuso struct flow_action *flow_action, 2484aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2485e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2486e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2487e3a2b7edSAmir Vadai { 2488aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 248973867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 249073867881SPablo Neira Ayuso const struct flow_action_entry *act; 24911cab1cd7SOr Gerlitz u32 action = 0; 2492244cd96aSCong Wang int err, i; 2493e3a2b7edSAmir Vadai 249473867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2495e3a2b7edSAmir Vadai return -EINVAL; 2496e3a2b7edSAmir Vadai 24973bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2498e3a2b7edSAmir Vadai 249973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 250073867881SPablo Neira Ayuso switch (act->id) { 250173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 25021cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2503aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2504aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 25051cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 250673867881SPablo Neira Ayuso break; 250773867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 250873867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 250973867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2510c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 25112f4fe4caSOr Gerlitz if (err) 25122f4fe4caSOr Gerlitz return err; 25132f4fe4caSOr Gerlitz 25141cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 25152f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 251673867881SPablo Neira Ayuso break; 2517bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2518bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2519bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2520bdc837eeSEli Britstein act, parse_attr, hdrs, 2521bdc837eeSEli Britstein &action, extack); 2522bdc837eeSEli Britstein if (err) 2523bdc837eeSEli Britstein return err; 2524bdc837eeSEli Britstein 2525bdc837eeSEli Britstein break; 252673867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 25271cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 252873867881SPablo Neira Ayuso act->csum_flags, 2529e98bedf5SEli Britstein extack)) 253073867881SPablo Neira Ayuso break; 253126c02749SOr Gerlitz 253226c02749SOr Gerlitz return -EOPNOTSUPP; 253373867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 253473867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 25355c65c564SOr Gerlitz 25365c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 25375c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 253898b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 25395c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 25401cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 25415c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 25425c65c564SOr Gerlitz } else { 2543e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2544e98bedf5SEli Britstein "device is not on same HW, can't offload"); 25455c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 25465c65c564SOr Gerlitz peer_dev->name); 25475c65c564SOr Gerlitz return -EINVAL; 25485c65c564SOr Gerlitz } 25495c65c564SOr Gerlitz } 255073867881SPablo Neira Ayuso break; 255173867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 255273867881SPablo Neira Ayuso u32 mark = act->mark; 2553e3a2b7edSAmir Vadai 2554e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2555e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2556e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2557e3a2b7edSAmir Vadai return -EINVAL; 2558e3a2b7edSAmir Vadai } 2559e3a2b7edSAmir Vadai 25603bc4b7bfSOr Gerlitz attr->flow_tag = mark; 25611cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2562e3a2b7edSAmir Vadai } 256373867881SPablo Neira Ayuso break; 256473867881SPablo Neira Ayuso default: 25652cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 25662cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 2567e3a2b7edSAmir Vadai } 256873867881SPablo Neira Ayuso } 2569e3a2b7edSAmir Vadai 2570c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2571c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2572c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 257327c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 2574c500c86bSPablo Neira Ayuso if (err) 2575c500c86bSPablo Neira Ayuso return err; 257627c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 257727c11b6bSEli Britstein * flag. 257827c11b6bSEli Britstein */ 2579e7739a60SEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 258027c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2581e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 2582e7739a60SEli Britstein } 2583c500c86bSPablo Neira Ayuso } 2584c500c86bSPablo Neira Ayuso 25851cab1cd7SOr Gerlitz attr->action = action; 258673867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2587bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2588bdd66ac0SOr Gerlitz 2589e3a2b7edSAmir Vadai return 0; 2590e3a2b7edSAmir Vadai } 2591e3a2b7edSAmir Vadai 25927f1a546eSEli Britstein struct encap_key { 25931f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 2594d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 25957f1a546eSEli Britstein }; 25967f1a546eSEli Britstein 25977f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 25987f1a546eSEli Britstein struct encap_key *b) 2599a54e20b4SHadar Hen Zion { 26007f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 2601d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 2602a54e20b4SHadar Hen Zion } 2603a54e20b4SHadar Hen Zion 26047f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 2605a54e20b4SHadar Hen Zion { 26067f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 2607d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 2608a54e20b4SHadar Hen Zion } 2609a54e20b4SHadar Hen Zion 2610a54e20b4SHadar Hen Zion 2611b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2612b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2613b1d90e6bSRabie Loulou { 2614b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2615b1d90e6bSRabie Loulou 2616b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2617b1d90e6bSRabie Loulou 2618b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 261968931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 262068931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 262168931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2622b1d90e6bSRabie Loulou } 2623b1d90e6bSRabie Loulou 2624ce99f6b9SOr Gerlitz 262554c177caSOz Shlomo 2626a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2627e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2628733d4f36SRoi Dayan struct net_device *mirred_dev, 2629733d4f36SRoi Dayan int out_index, 26308c4dc42bSEli Britstein struct netlink_ext_ack *extack, 26310ad060eeSRoi Dayan struct net_device **encap_dev, 26320ad060eeSRoi Dayan bool *encap_valid) 263303a9d11eSOr Gerlitz { 2634a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 263545247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2636733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 26371f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 26387f1a546eSEli Britstein struct encap_key key, e_key; 2639c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2640733d4f36SRoi Dayan unsigned short family; 2641a54e20b4SHadar Hen Zion uintptr_t hash_key; 2642a54e20b4SHadar Hen Zion bool found = false; 264354c177caSOz Shlomo int err = 0; 2644a54e20b4SHadar Hen Zion 2645733d4f36SRoi Dayan parse_attr = attr->parse_attr; 26461f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 2647733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 26487f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 2649d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 2650d71f895cSEli Cohen if (!key.tc_tunnel) { 2651d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 2652d71f895cSEli Cohen return -EOPNOTSUPP; 2653d71f895cSEli Cohen } 2654733d4f36SRoi Dayan 26557f1a546eSEli Britstein hash_key = hash_encap_info(&key); 2656a54e20b4SHadar Hen Zion 2657a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2658a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 26591f6da306SYevgeny Kliteynik e_key.ip_tun_key = &e->tun_info->key; 2660d386939aSYevgeny Kliteynik e_key.tc_tunnel = e->tunnel; 26617f1a546eSEli Britstein if (!cmp_encap_info(&e_key, &key)) { 2662a54e20b4SHadar Hen Zion found = true; 2663a54e20b4SHadar Hen Zion break; 2664a54e20b4SHadar Hen Zion } 2665a54e20b4SHadar Hen Zion } 2666a54e20b4SHadar Hen Zion 2667b2812089SVlad Buslov /* must verify if encap is valid or not */ 266845247bf2SOr Gerlitz if (found) 266945247bf2SOr Gerlitz goto attach_flow; 2670a54e20b4SHadar Hen Zion 2671a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2672a54e20b4SHadar Hen Zion if (!e) 2673a54e20b4SHadar Hen Zion return -ENOMEM; 2674a54e20b4SHadar Hen Zion 26751f6da306SYevgeny Kliteynik e->tun_info = tun_info; 2676101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 267754c177caSOz Shlomo if (err) 267854c177caSOz Shlomo goto out_err; 267954c177caSOz Shlomo 2680a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2681a54e20b4SHadar Hen Zion 2682ce99f6b9SOr Gerlitz if (family == AF_INET) 2683101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2684ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2685101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2686ce99f6b9SOr Gerlitz 26870ad060eeSRoi Dayan if (err) 2688a54e20b4SHadar Hen Zion goto out_err; 2689a54e20b4SHadar Hen Zion 2690a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2691a54e20b4SHadar Hen Zion 269245247bf2SOr Gerlitz attach_flow: 26938c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 26948c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 269545247bf2SOr Gerlitz *encap_dev = e->out_dev; 26968c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 26978c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 26988c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 26990ad060eeSRoi Dayan *encap_valid = true; 27008c4dc42bSEli Britstein } else { 27010ad060eeSRoi Dayan *encap_valid = false; 27028c4dc42bSEli Britstein } 270345247bf2SOr Gerlitz 2704232c0013SHadar Hen Zion return err; 2705a54e20b4SHadar Hen Zion 2706a54e20b4SHadar Hen Zion out_err: 2707a54e20b4SHadar Hen Zion kfree(e); 2708a54e20b4SHadar Hen Zion return err; 2709a54e20b4SHadar Hen Zion } 2710a54e20b4SHadar Hen Zion 27111482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 271273867881SPablo Neira Ayuso const struct flow_action_entry *act, 27131482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 27141482bd3dSJianbo Liu u32 *action) 27151482bd3dSJianbo Liu { 2716cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2717cc495188SJianbo Liu 2718cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 27191482bd3dSJianbo Liu return -EOPNOTSUPP; 2720cc495188SJianbo Liu 272173867881SPablo Neira Ayuso switch (act->id) { 272273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 2723cc495188SJianbo Liu if (vlan_idx) { 2724cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2725cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2726cc495188SJianbo Liu return -EOPNOTSUPP; 2727cc495188SJianbo Liu 2728cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2729cc495188SJianbo Liu } else { 2730cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2731cc495188SJianbo Liu } 273273867881SPablo Neira Ayuso break; 273373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 273473867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 273573867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 273673867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 2737cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2738cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2739cc495188SJianbo Liu 2740cc495188SJianbo Liu if (vlan_idx) { 2741cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2742cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2743cc495188SJianbo Liu return -EOPNOTSUPP; 2744cc495188SJianbo Liu 2745cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2746cc495188SJianbo Liu } else { 2747cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 274873867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 274973867881SPablo Neira Ayuso act->vlan.prio)) 2750cc495188SJianbo Liu return -EOPNOTSUPP; 2751cc495188SJianbo Liu 2752cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 27531482bd3dSJianbo Liu } 275473867881SPablo Neira Ayuso break; 275573867881SPablo Neira Ayuso default: 2756bdc837eeSEli Britstein return -EINVAL; 27571482bd3dSJianbo Liu } 27581482bd3dSJianbo Liu 2759cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2760cc495188SJianbo Liu 27611482bd3dSJianbo Liu return 0; 27621482bd3dSJianbo Liu } 27631482bd3dSJianbo Liu 2764278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 2765278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 2766278748a9SEli Britstein struct net_device **out_dev, 2767278748a9SEli Britstein u32 *action) 2768278748a9SEli Britstein { 2769278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 2770278748a9SEli Britstein struct flow_action_entry vlan_act = { 2771278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 2772278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 2773278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 2774278748a9SEli Britstein .vlan.prio = 0, 2775278748a9SEli Britstein }; 2776278748a9SEli Britstein int err; 2777278748a9SEli Britstein 2778278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 2779278748a9SEli Britstein if (err) 2780278748a9SEli Britstein return err; 2781278748a9SEli Britstein 2782278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 2783278748a9SEli Britstein dev_get_iflink(vlan_dev)); 2784278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 2785278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 2786278748a9SEli Britstein 2787278748a9SEli Britstein return err; 2788278748a9SEli Britstein } 2789278748a9SEli Britstein 279035a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 279135a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 279235a605dbSEli Britstein u32 *action) 279335a605dbSEli Britstein { 279435a605dbSEli Britstein int nest_level = vlan_get_encap_level(attr->parse_attr->filter_dev); 279535a605dbSEli Britstein struct flow_action_entry vlan_act = { 279635a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 279735a605dbSEli Britstein }; 279835a605dbSEli Britstein int err = 0; 279935a605dbSEli Britstein 280035a605dbSEli Britstein while (nest_level--) { 280135a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 280235a605dbSEli Britstein if (err) 280335a605dbSEli Britstein return err; 280435a605dbSEli Britstein } 280535a605dbSEli Britstein 280635a605dbSEli Britstein return err; 280735a605dbSEli Britstein } 280835a605dbSEli Britstein 2809f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 2810f6dc1264SPaul Blakey struct net_device *out_dev) 2811f6dc1264SPaul Blakey { 2812f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 2813f6dc1264SPaul Blakey return true; 2814f6dc1264SPaul Blakey 2815f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 2816f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 2817f6dc1264SPaul Blakey } 2818f6dc1264SPaul Blakey 281973867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 282073867881SPablo Neira Ayuso struct flow_action *flow_action, 2821e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2822e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2823a54e20b4SHadar Hen Zion { 282473867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 2825bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2826ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 28276f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 28281d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 282973867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 283073867881SPablo Neira Ayuso const struct flow_action_entry *act; 2831a54e20b4SHadar Hen Zion bool encap = false; 28321cab1cd7SOr Gerlitz u32 action = 0; 2833244cd96aSCong Wang int err, i; 283403a9d11eSOr Gerlitz 283573867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 283603a9d11eSOr Gerlitz return -EINVAL; 283703a9d11eSOr Gerlitz 283873867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 283973867881SPablo Neira Ayuso switch (act->id) { 284073867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 28411cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 284203a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 284373867881SPablo Neira Ayuso break; 284473867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 284573867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 284673867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 2847c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2848d7e75a32SOr Gerlitz if (err) 2849d7e75a32SOr Gerlitz return err; 2850d7e75a32SOr Gerlitz 28511cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2852e85e02baSEli Britstein attr->split_count = attr->out_count; 285373867881SPablo Neira Ayuso break; 285473867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 28551cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 285673867881SPablo Neira Ayuso act->csum_flags, extack)) 285773867881SPablo Neira Ayuso break; 285826c02749SOr Gerlitz 285926c02749SOr Gerlitz return -EOPNOTSUPP; 286073867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 286173867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 286203a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2863592d3651SChris Mi struct net_device *out_dev; 286403a9d11eSOr Gerlitz 286573867881SPablo Neira Ayuso out_dev = act->dev; 2866ef381359SOz Shlomo if (!out_dev) { 2867ef381359SOz Shlomo /* out_dev is NULL when filters with 2868ef381359SOz Shlomo * non-existing mirred device are replayed to 2869ef381359SOz Shlomo * the driver. 2870ef381359SOz Shlomo */ 2871ef381359SOz Shlomo return -EINVAL; 2872ef381359SOz Shlomo } 287303a9d11eSOr Gerlitz 2874592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2875e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2876e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2877592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2878592d3651SChris Mi attr->out_count); 2879592d3651SChris Mi return -EOPNOTSUPP; 2880592d3651SChris Mi } 2881592d3651SChris Mi 2882f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2883f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 2884f6dc1264SPaul Blakey if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 28857ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 28867ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 28877ba58ba7SRabie Loulou struct net_device *uplink_upper = netdev_master_upper_dev_get(uplink_dev); 28887ba58ba7SRabie Loulou 28897ba58ba7SRabie Loulou if (uplink_upper && 28907ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 28917ba58ba7SRabie Loulou uplink_upper == out_dev) 28927ba58ba7SRabie Loulou out_dev = uplink_dev; 28937ba58ba7SRabie Loulou 2894278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 2895278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 2896278748a9SEli Britstein &out_dev, 2897278748a9SEli Britstein &action); 2898278748a9SEli Britstein if (err) 2899278748a9SEli Britstein return err; 2900278748a9SEli Britstein } 2901f6dc1264SPaul Blakey 290235a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 290335a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 290435a605dbSEli Britstein &action); 290535a605dbSEli Britstein if (err) 290635a605dbSEli Britstein return err; 290735a605dbSEli Britstein } 2908278748a9SEli Britstein 2909f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 2910f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2911f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 2912f6dc1264SPaul Blakey pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2913f6dc1264SPaul Blakey priv->netdev->name, out_dev->name); 2914a0646c88SEli Britstein return -EOPNOTSUPP; 2915f6dc1264SPaul Blakey } 2916a0646c88SEli Britstein 291703a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 29181d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2919df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 2920df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 2921df65a573SEli Britstein attr->out_count++; 2922a54e20b4SHadar Hen Zion } else if (encap) { 29238c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 29248c4dc42bSEli Britstein out_dev->ifindex; 29251f6da306SYevgeny Kliteynik parse_attr->tun_info[attr->out_count] = info; 29268c4dc42bSEli Britstein encap = false; 2927f493f155SEli Britstein attr->dests[attr->out_count].flags |= 2928f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 29291cc26d74SEli Britstein attr->out_count++; 2930df65a573SEli Britstein /* attr->dests[].rep is resolved when we 2931df65a573SEli Britstein * handle encap 2932df65a573SEli Britstein */ 2933ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 2934ef381359SOz Shlomo /* All mlx5 devices are called to configure 2935ef381359SOz Shlomo * high level device filters. Therefore, the 2936ef381359SOz Shlomo * *attempt* to install a filter on invalid 2937ef381359SOz Shlomo * eswitch should not trigger an explicit error 2938ef381359SOz Shlomo */ 2939ef381359SOz Shlomo return -EINVAL; 2940a54e20b4SHadar Hen Zion } else { 2941e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2942e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2943a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2944a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2945a54e20b4SHadar Hen Zion return -EINVAL; 2946a54e20b4SHadar Hen Zion } 2947a54e20b4SHadar Hen Zion } 294873867881SPablo Neira Ayuso break; 294973867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 295073867881SPablo Neira Ayuso info = act->tunnel; 2951a54e20b4SHadar Hen Zion if (info) 2952a54e20b4SHadar Hen Zion encap = true; 2953a54e20b4SHadar Hen Zion else 2954a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 295503a9d11eSOr Gerlitz 295673867881SPablo Neira Ayuso break; 295773867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 295873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 295976b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 296076b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 296176b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 296276b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 296376b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 296476b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 296576b496b1SEli Britstein act, parse_attr, hdrs, 296676b496b1SEli Britstein &action, extack); 296776b496b1SEli Britstein } else { 296873867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 296976b496b1SEli Britstein } 29701482bd3dSJianbo Liu if (err) 29711482bd3dSJianbo Liu return err; 29721482bd3dSJianbo Liu 2973e85e02baSEli Britstein attr->split_count = attr->out_count; 297473867881SPablo Neira Ayuso break; 2975bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2976bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2977bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 2978bdc837eeSEli Britstein act, parse_attr, hdrs, 2979bdc837eeSEli Britstein &action, extack); 2980bdc837eeSEli Britstein if (err) 2981bdc837eeSEli Britstein return err; 2982bdc837eeSEli Britstein 2983bdc837eeSEli Britstein attr->split_count = attr->out_count; 2984bdc837eeSEli Britstein break; 298573867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 29861cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 298773867881SPablo Neira Ayuso break; 298873867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 298973867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 2990bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2991bf07aa73SPaul Blakey 2992bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2993bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2994bf07aa73SPaul Blakey return -EOPNOTSUPP; 2995bf07aa73SPaul Blakey } 2996bf07aa73SPaul Blakey if (dest_chain > max_chain) { 2997bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 2998bf07aa73SPaul Blakey return -EOPNOTSUPP; 2999bf07aa73SPaul Blakey } 3000e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3001bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 300273867881SPablo Neira Ayuso break; 3003bf07aa73SPaul Blakey } 300473867881SPablo Neira Ayuso default: 30052cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 30062cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 300703a9d11eSOr Gerlitz } 300873867881SPablo Neira Ayuso } 3009bdd66ac0SOr Gerlitz 30100bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 30110bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 30120bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 30130bac1194SEli Britstein * tag rewrite. 30140bac1194SEli Britstein */ 30150bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 30160bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 30170bac1194SEli Britstein &action, extack); 30180bac1194SEli Britstein if (err) 30190bac1194SEli Britstein return err; 30200bac1194SEli Britstein } 30210bac1194SEli Britstein 3022c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3023c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 302484be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 302527c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3026c500c86bSPablo Neira Ayuso if (err) 3027c500c86bSPablo Neira Ayuso return err; 302827c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 302927c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 303027c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 303127c11b6bSEli Britstein */ 303227c11b6bSEli Britstein if (parse_attr->num_mod_hdr_actions == 0) { 303327c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3034e7739a60SEli Britstein kfree(parse_attr->mod_hdr_actions); 303527c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 303627c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 303727c11b6bSEli Britstein attr->split_count = 0; 303827c11b6bSEli Britstein } 3039c500c86bSPablo Neira Ayuso } 3040c500c86bSPablo Neira Ayuso 30411cab1cd7SOr Gerlitz attr->action = action; 304273867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3043bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3044bdd66ac0SOr Gerlitz 3045e88afe75SOr Gerlitz if (attr->dest_chain) { 3046e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3047e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3048e88afe75SOr Gerlitz return -EOPNOTSUPP; 3049e88afe75SOr Gerlitz } 3050e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3051e88afe75SOr Gerlitz } 3052e88afe75SOr Gerlitz 3053e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3054e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3055e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3056592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3057592d3651SChris Mi return -EOPNOTSUPP; 3058592d3651SChris Mi } 3059592d3651SChris Mi 306031c8eba5SOr Gerlitz return 0; 306103a9d11eSOr Gerlitz } 306203a9d11eSOr Gerlitz 30635dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 306460bd4af8SOr Gerlitz { 30655dbe906fSPaul Blakey u16 __flow_flags = 0; 306660bd4af8SOr Gerlitz 306760bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 306860bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 306960bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 307060bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 307160bd4af8SOr Gerlitz 3072d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) 3073d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_ESWITCH; 3074d9ee0491SOr Gerlitz if (flags & MLX5E_TC_NIC_OFFLOAD) 3075d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_NIC; 3076d9ee0491SOr Gerlitz 307760bd4af8SOr Gerlitz *flow_flags = __flow_flags; 307860bd4af8SOr Gerlitz } 307960bd4af8SOr Gerlitz 308005866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 308105866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 308205866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 308305866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 308405866c82SOr Gerlitz .automatic_shrinking = true, 308505866c82SOr Gerlitz }; 308605866c82SOr Gerlitz 3087d9ee0491SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, int flags) 308805866c82SOr Gerlitz { 3089655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3090655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3091655dc3d2SOr Gerlitz 3092d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) { 3093655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3094ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3095d9ee0491SOr Gerlitz } else /* NIC offload */ 309605866c82SOr Gerlitz return &priv->fs.tc.ht; 309705866c82SOr Gerlitz } 309805866c82SOr Gerlitz 309904de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 310004de7ddaSRoi Dayan { 31011418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3102b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 31031418ddd9SAviv Heller flow->flags & MLX5E_TC_FLOW_INGRESS; 31041418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 31051418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 31061418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 31071418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 31081418ddd9SAviv Heller 310910fbb1cdSRoi Dayan if (!esw_paired) 311010fbb1cdSRoi Dayan return false; 311110fbb1cdSRoi Dayan 311210fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 311310fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 311410fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 311510fbb1cdSRoi Dayan return true; 311610fbb1cdSRoi Dayan 311710fbb1cdSRoi Dayan return false; 311804de7ddaSRoi Dayan } 311904de7ddaSRoi Dayan 3120a88780a9SRoi Dayan static int 3121a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3122f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, u16 flow_flags, 3123a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3124a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3125e3a2b7edSAmir Vadai { 312617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 31273bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 3128a88780a9SRoi Dayan int err; 3129776b12b6SOr Gerlitz 313065ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 31311b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 313217091853SOr Gerlitz if (!parse_attr || !flow) { 3133e3a2b7edSAmir Vadai err = -ENOMEM; 3134e3a2b7edSAmir Vadai goto err_free; 3135e3a2b7edSAmir Vadai } 3136e3a2b7edSAmir Vadai 3137e3a2b7edSAmir Vadai flow->cookie = f->cookie; 313865ba8fb7SOr Gerlitz flow->flags = flow_flags; 3139655dc3d2SOr Gerlitz flow->priv = priv; 3140e3a2b7edSAmir Vadai 3141a88780a9SRoi Dayan *__flow = flow; 3142a88780a9SRoi Dayan *__parse_attr = parse_attr; 3143a88780a9SRoi Dayan 3144a88780a9SRoi Dayan return 0; 3145a88780a9SRoi Dayan 3146a88780a9SRoi Dayan err_free: 3147a88780a9SRoi Dayan kfree(flow); 3148a88780a9SRoi Dayan kvfree(parse_attr); 3149a88780a9SRoi Dayan return err; 3150adb4c123SOr Gerlitz } 3151adb4c123SOr Gerlitz 3152988ab9c7STonghao Zhang static void 3153988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 3154988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3155988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3156f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3157988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3158988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3159988ab9c7STonghao Zhang { 3160988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3161988ab9c7STonghao Zhang 3162988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 3163988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 3164988ab9c7STonghao Zhang esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 3165988ab9c7STonghao Zhang 3166988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3167988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3168988ab9c7STonghao Zhang 3169988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3170988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3171988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3172988ab9c7STonghao Zhang else 3173988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3174988ab9c7STonghao Zhang } 3175988ab9c7STonghao Zhang 317671129676SJason Gunthorpe static struct mlx5e_tc_flow * 317704de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3178f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 31795dbe906fSPaul Blakey u16 flow_flags, 3180d11afc26SOz Shlomo struct net_device *filter_dev, 318104de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 318271129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3183a88780a9SRoi Dayan { 3184f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3185a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3186a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3187a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3188a88780a9SRoi Dayan int attr_size, err; 3189a88780a9SRoi Dayan 3190a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 3191a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3192a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3193a88780a9SRoi Dayan &parse_attr, &flow); 3194a88780a9SRoi Dayan if (err) 3195a88780a9SRoi Dayan goto out; 3196988ab9c7STonghao Zhang 3197d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3198988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 3199988ab9c7STonghao Zhang priv, parse_attr, 3200988ab9c7STonghao Zhang f, in_rep, in_mdev); 3201988ab9c7STonghao Zhang 320254c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 320354c177caSOz Shlomo f, filter_dev); 3204d11afc26SOz Shlomo if (err) 3205d11afc26SOz Shlomo goto err_free; 3206a88780a9SRoi Dayan 32076f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 3208a88780a9SRoi Dayan if (err) 3209a88780a9SRoi Dayan goto err_free; 3210a88780a9SRoi Dayan 32117040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 3212ef06c9eeSRoi Dayan if (err) { 3213ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3214aa0cbbaeSOr Gerlitz goto err_free; 32155c40348cSOr Gerlitz 3216b4a23329SRoi Dayan add_unready_flow(flow); 3217ef06c9eeSRoi Dayan } 3218ef06c9eeSRoi Dayan 321971129676SJason Gunthorpe return flow; 3220e3a2b7edSAmir Vadai 3221e3a2b7edSAmir Vadai err_free: 3222232c0013SHadar Hen Zion kfree(flow); 3223a88780a9SRoi Dayan kvfree(parse_attr); 3224a88780a9SRoi Dayan out: 322571129676SJason Gunthorpe return ERR_PTR(err); 3226a88780a9SRoi Dayan } 3227a88780a9SRoi Dayan 3228f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 322995dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 323095dc1902SRoi Dayan u16 flow_flags) 323104de7ddaSRoi Dayan { 323204de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 323304de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 323404de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 323504de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 323604de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 323704de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 323804de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 323904de7ddaSRoi Dayan int err = 0; 324004de7ddaSRoi Dayan 324104de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 324204de7ddaSRoi Dayan if (!peer_esw) 324304de7ddaSRoi Dayan return -ENODEV; 324404de7ddaSRoi Dayan 324504de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 324604de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 324704de7ddaSRoi Dayan 324804de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 324904de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 325004de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 325104de7ddaSRoi Dayan * peer mdev. 325204de7ddaSRoi Dayan */ 3253b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 325404de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 325504de7ddaSRoi Dayan else 325604de7ddaSRoi Dayan in_mdev = priv->mdev; 325704de7ddaSRoi Dayan 325804de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 325995dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 326004de7ddaSRoi Dayan parse_attr->filter_dev, 326171129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 326271129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 326371129676SJason Gunthorpe err = PTR_ERR(peer_flow); 326404de7ddaSRoi Dayan goto out; 326571129676SJason Gunthorpe } 326604de7ddaSRoi Dayan 326704de7ddaSRoi Dayan flow->peer_flow = peer_flow; 326804de7ddaSRoi Dayan flow->flags |= MLX5E_TC_FLOW_DUP; 326904de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 327004de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 327104de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 327204de7ddaSRoi Dayan 327304de7ddaSRoi Dayan out: 327404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 327504de7ddaSRoi Dayan return err; 327604de7ddaSRoi Dayan } 327704de7ddaSRoi Dayan 327804de7ddaSRoi Dayan static int 327904de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3280f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 328104de7ddaSRoi Dayan u16 flow_flags, 328204de7ddaSRoi Dayan struct net_device *filter_dev, 328304de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 328404de7ddaSRoi Dayan { 328504de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 328604de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 328704de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 328804de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 328904de7ddaSRoi Dayan int err; 329004de7ddaSRoi Dayan 329171129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 329271129676SJason Gunthorpe in_mdev); 329371129676SJason Gunthorpe if (IS_ERR(flow)) 329471129676SJason Gunthorpe return PTR_ERR(flow); 329504de7ddaSRoi Dayan 329604de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 329795dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 329804de7ddaSRoi Dayan if (err) { 329904de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 330004de7ddaSRoi Dayan goto out; 330104de7ddaSRoi Dayan } 330204de7ddaSRoi Dayan } 330304de7ddaSRoi Dayan 330404de7ddaSRoi Dayan *__flow = flow; 330504de7ddaSRoi Dayan 330604de7ddaSRoi Dayan return 0; 330704de7ddaSRoi Dayan 330804de7ddaSRoi Dayan out: 330904de7ddaSRoi Dayan return err; 331004de7ddaSRoi Dayan } 331104de7ddaSRoi Dayan 3312a88780a9SRoi Dayan static int 3313a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3314f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 33155dbe906fSPaul Blakey u16 flow_flags, 3316d11afc26SOz Shlomo struct net_device *filter_dev, 3317a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3318a88780a9SRoi Dayan { 3319f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3320a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3321a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3322a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3323a88780a9SRoi Dayan int attr_size, err; 3324a88780a9SRoi Dayan 3325bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3326bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3327bf07aa73SPaul Blakey return -EOPNOTSUPP; 3328bf07aa73SPaul Blakey 3329a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 3330a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3331a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3332a88780a9SRoi Dayan &parse_attr, &flow); 3333a88780a9SRoi Dayan if (err) 3334a88780a9SRoi Dayan goto out; 3335a88780a9SRoi Dayan 3336d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 333754c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 333854c177caSOz Shlomo f, filter_dev); 3339d11afc26SOz Shlomo if (err) 3340d11afc26SOz Shlomo goto err_free; 3341d11afc26SOz Shlomo 334273867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3343a88780a9SRoi Dayan if (err) 3344a88780a9SRoi Dayan goto err_free; 3345a88780a9SRoi Dayan 3346a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3347a88780a9SRoi Dayan if (err) 3348a88780a9SRoi Dayan goto err_free; 3349a88780a9SRoi Dayan 3350a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 3351a88780a9SRoi Dayan kvfree(parse_attr); 3352a88780a9SRoi Dayan *__flow = flow; 3353a88780a9SRoi Dayan 3354a88780a9SRoi Dayan return 0; 3355a88780a9SRoi Dayan 3356a88780a9SRoi Dayan err_free: 3357a88780a9SRoi Dayan kfree(flow); 3358a88780a9SRoi Dayan kvfree(parse_attr); 3359a88780a9SRoi Dayan out: 3360a88780a9SRoi Dayan return err; 3361a88780a9SRoi Dayan } 3362a88780a9SRoi Dayan 3363a88780a9SRoi Dayan static int 3364a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3365f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3366a88780a9SRoi Dayan int flags, 3367d11afc26SOz Shlomo struct net_device *filter_dev, 3368a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3369a88780a9SRoi Dayan { 3370a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 33715dbe906fSPaul Blakey u16 flow_flags; 3372a88780a9SRoi Dayan int err; 3373a88780a9SRoi Dayan 3374a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3375a88780a9SRoi Dayan 3376bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3377bf07aa73SPaul Blakey return -EOPNOTSUPP; 3378bf07aa73SPaul Blakey 3379f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3380d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3381d11afc26SOz Shlomo filter_dev, flow); 3382a88780a9SRoi Dayan else 3383d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3384d11afc26SOz Shlomo filter_dev, flow); 3385a88780a9SRoi Dayan 3386a88780a9SRoi Dayan return err; 3387a88780a9SRoi Dayan } 3388a88780a9SRoi Dayan 338971d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3390f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, int flags) 3391a88780a9SRoi Dayan { 3392a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3393d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3394a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3395a88780a9SRoi Dayan int err = 0; 3396a88780a9SRoi Dayan 3397a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3398a88780a9SRoi Dayan if (flow) { 3399a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3400a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3401a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3402a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3403a88780a9SRoi Dayan f->cookie); 34040e1c1a2fSVlad Buslov err = -EEXIST; 3405a88780a9SRoi Dayan goto out; 3406a88780a9SRoi Dayan } 3407a88780a9SRoi Dayan 3408d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3409a88780a9SRoi Dayan if (err) 3410a88780a9SRoi Dayan goto out; 3411a88780a9SRoi Dayan 3412a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 3413a88780a9SRoi Dayan if (err) 3414a88780a9SRoi Dayan goto err_free; 3415a88780a9SRoi Dayan 3416a88780a9SRoi Dayan return 0; 3417a88780a9SRoi Dayan 3418a88780a9SRoi Dayan err_free: 3419a88780a9SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3420a88780a9SRoi Dayan kfree(flow); 3421a88780a9SRoi Dayan out: 3422e3a2b7edSAmir Vadai return err; 3423e3a2b7edSAmir Vadai } 3424e3a2b7edSAmir Vadai 34258f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 34268f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 34278f8ae895SOr Gerlitz 34288f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 34298f8ae895SOr Gerlitz { 34308f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 34318f8ae895SOr Gerlitz return true; 34328f8ae895SOr Gerlitz 34338f8ae895SOr Gerlitz return false; 34348f8ae895SOr Gerlitz } 34358f8ae895SOr Gerlitz 343671d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 3437f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, int flags) 3438e3a2b7edSAmir Vadai { 3439d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3440e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3441e3a2b7edSAmir Vadai 344205866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 34438f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3444e3a2b7edSAmir Vadai return -EINVAL; 3445e3a2b7edSAmir Vadai 344605866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3447e3a2b7edSAmir Vadai 3448961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3449e3a2b7edSAmir Vadai 3450e3a2b7edSAmir Vadai kfree(flow); 3451e3a2b7edSAmir Vadai 3452e3a2b7edSAmir Vadai return 0; 3453e3a2b7edSAmir Vadai } 3454e3a2b7edSAmir Vadai 345571d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 3456f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, int flags) 3457aad7e08dSAmir Vadai { 345804de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3459d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 346004de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3461aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3462aad7e08dSAmir Vadai struct mlx5_fc *counter; 3463316d5f72SRoi Dayan u64 lastuse = 0; 3464316d5f72SRoi Dayan u64 packets = 0; 3465316d5f72SRoi Dayan u64 bytes = 0; 3466aad7e08dSAmir Vadai 346705866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 34688f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3469aad7e08dSAmir Vadai return -EINVAL; 3470aad7e08dSAmir Vadai 3471316d5f72SRoi Dayan if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 3472b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3473aad7e08dSAmir Vadai if (!counter) 3474aad7e08dSAmir Vadai return 0; 3475aad7e08dSAmir Vadai 3476aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3477316d5f72SRoi Dayan } 3478aad7e08dSAmir Vadai 3479316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3480316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3481316d5f72SRoi Dayan */ 348204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 348304de7ddaSRoi Dayan if (!peer_esw) 348404de7ddaSRoi Dayan goto out; 348504de7ddaSRoi Dayan 348604de7ddaSRoi Dayan if ((flow->flags & MLX5E_TC_FLOW_DUP) && 348704de7ddaSRoi Dayan (flow->peer_flow->flags & MLX5E_TC_FLOW_OFFLOADED)) { 348804de7ddaSRoi Dayan u64 bytes2; 348904de7ddaSRoi Dayan u64 packets2; 349004de7ddaSRoi Dayan u64 lastuse2; 349104de7ddaSRoi Dayan 349204de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3493316d5f72SRoi Dayan if (!counter) 3494316d5f72SRoi Dayan goto no_peer_counter; 349504de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 349604de7ddaSRoi Dayan 349704de7ddaSRoi Dayan bytes += bytes2; 349804de7ddaSRoi Dayan packets += packets2; 349904de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 350004de7ddaSRoi Dayan } 350104de7ddaSRoi Dayan 3502316d5f72SRoi Dayan no_peer_counter: 350304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 350404de7ddaSRoi Dayan out: 35053b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 3506fed06ee8SOr Gerlitz 3507aad7e08dSAmir Vadai return 0; 3508aad7e08dSAmir Vadai } 3509aad7e08dSAmir Vadai 35104d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 35114d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 35124d8fcf21SAlaa Hleihel { 35134d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 35144d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 35154d8fcf21SAlaa Hleihel u16 peer_vhca_id; 35164d8fcf21SAlaa Hleihel int bkt; 35174d8fcf21SAlaa Hleihel 35184d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 35194d8fcf21SAlaa Hleihel return; 35204d8fcf21SAlaa Hleihel 35214d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 35224d8fcf21SAlaa Hleihel 35234d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 35244d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 35254d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 35264d8fcf21SAlaa Hleihel } 35274d8fcf21SAlaa Hleihel } 35284d8fcf21SAlaa Hleihel 35294d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 35304d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 35314d8fcf21SAlaa Hleihel { 35324d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 35334d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 35344d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 35354d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 35364d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 35374d8fcf21SAlaa Hleihel 35384d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 35394d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 35404d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 35414d8fcf21SAlaa Hleihel return NOTIFY_DONE; 35424d8fcf21SAlaa Hleihel 35434d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 35444d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 35454d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 35464d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 35474d8fcf21SAlaa Hleihel if (priv == peer_priv || 35484d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 35494d8fcf21SAlaa Hleihel return NOTIFY_DONE; 35504d8fcf21SAlaa Hleihel 35514d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 35524d8fcf21SAlaa Hleihel 35534d8fcf21SAlaa Hleihel return NOTIFY_DONE; 35544d8fcf21SAlaa Hleihel } 35554d8fcf21SAlaa Hleihel 3556655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3557e8f887acSAmir Vadai { 3558acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 35594d8fcf21SAlaa Hleihel int err; 3560e8f887acSAmir Vadai 356111c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 35625c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 356311c9c548SOr Gerlitz 35644d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 35654d8fcf21SAlaa Hleihel if (err) 35664d8fcf21SAlaa Hleihel return err; 35674d8fcf21SAlaa Hleihel 35684d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 35694d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 35704d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 35714d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 35724d8fcf21SAlaa Hleihel } 35734d8fcf21SAlaa Hleihel 35744d8fcf21SAlaa Hleihel return err; 3575e8f887acSAmir Vadai } 3576e8f887acSAmir Vadai 3577e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3578e8f887acSAmir Vadai { 3579e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3580655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3581e8f887acSAmir Vadai 3582961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3583e8f887acSAmir Vadai kfree(flow); 3584e8f887acSAmir Vadai } 3585e8f887acSAmir Vadai 3586655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3587e8f887acSAmir Vadai { 3588acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3589e8f887acSAmir Vadai 35904d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 35914d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 35924d8fcf21SAlaa Hleihel 3593d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 3594e8f887acSAmir Vadai 3595acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3596acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3597acff797cSMaor Gottlieb tc->t = NULL; 3598e8f887acSAmir Vadai } 3599e8f887acSAmir Vadai } 3600655dc3d2SOr Gerlitz 3601655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3602655dc3d2SOr Gerlitz { 3603655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3604655dc3d2SOr Gerlitz } 3605655dc3d2SOr Gerlitz 3606655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3607655dc3d2SOr Gerlitz { 3608655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3609655dc3d2SOr Gerlitz } 361001252a27SOr Gerlitz 3611d9ee0491SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv, int flags) 361201252a27SOr Gerlitz { 3613d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 361401252a27SOr Gerlitz 361501252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 361601252a27SOr Gerlitz } 361704de7ddaSRoi Dayan 361804de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 361904de7ddaSRoi Dayan { 362004de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 362104de7ddaSRoi Dayan 362204de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 362304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 362404de7ddaSRoi Dayan } 3625b4a23329SRoi Dayan 3626b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 3627b4a23329SRoi Dayan { 3628b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 3629b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 3630b4a23329SRoi Dayan reoffload_flows_work); 3631b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 3632b4a23329SRoi Dayan 3633b4a23329SRoi Dayan rtnl_lock(); 3634b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 3635b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 3636b4a23329SRoi Dayan remove_unready_flow(flow); 3637b4a23329SRoi Dayan } 3638b4a23329SRoi Dayan rtnl_unlock(); 3639b4a23329SRoi Dayan } 3640