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> 47e8f887acSAmir Vadai #include "en.h" 481d447a39SSaeed Mahameed #include "en_rep.h" 49232c0013SHadar Hen Zion #include "en_tc.h" 5003a9d11eSOr Gerlitz #include "eswitch.h" 513f6d08d1SOr Gerlitz #include "fs_core.h" 522c81bfd5SHuy Nguyen #include "en/port.h" 53101f4de9SOz Shlomo #include "en/tc_tun.h" 5404de7ddaSRoi Dayan #include "lib/devcom.h" 55e8f887acSAmir Vadai 563bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 573bc4b7bfSOr Gerlitz u32 action; 583bc4b7bfSOr Gerlitz u32 flow_tag; 592f4fe4caSOr Gerlitz u32 mod_hdr_id; 605c65c564SOr Gerlitz u32 hairpin_tirn; 6138aa51c1SOr Gerlitz u8 match_level; 623f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 63b8aee822SMark Bloch struct mlx5_fc *counter; 643bc4b7bfSOr Gerlitz }; 653bc4b7bfSOr Gerlitz 6660bd4af8SOr Gerlitz #define MLX5E_TC_FLOW_BASE (MLX5E_TC_LAST_EXPORTED_BIT + 1) 6760bd4af8SOr Gerlitz 6865ba8fb7SOr Gerlitz enum { 6960bd4af8SOr Gerlitz MLX5E_TC_FLOW_INGRESS = MLX5E_TC_INGRESS, 7060bd4af8SOr Gerlitz MLX5E_TC_FLOW_EGRESS = MLX5E_TC_EGRESS, 71d9ee0491SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = MLX5E_TC_ESW_OFFLOAD, 72d9ee0491SOr Gerlitz MLX5E_TC_FLOW_NIC = MLX5E_TC_NIC_OFFLOAD, 73d9ee0491SOr Gerlitz MLX5E_TC_FLOW_OFFLOADED = BIT(MLX5E_TC_FLOW_BASE), 74d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(MLX5E_TC_FLOW_BASE + 1), 75d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(MLX5E_TC_FLOW_BASE + 2), 76d9ee0491SOr Gerlitz MLX5E_TC_FLOW_SLOW = BIT(MLX5E_TC_FLOW_BASE + 3), 77d9ee0491SOr Gerlitz MLX5E_TC_FLOW_DUP = BIT(MLX5E_TC_FLOW_BASE + 4), 78ef06c9eeSRoi Dayan MLX5E_TC_FLOW_NOT_READY = BIT(MLX5E_TC_FLOW_BASE + 5), 7965ba8fb7SOr Gerlitz }; 8065ba8fb7SOr Gerlitz 81e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 82e4ad91f2SChris Mi 8379baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 8479baaec7SEli Britstein * Containing struct 8579baaec7SEli Britstein * |- Helper array 8679baaec7SEli Britstein * [0] Helper item 0 8779baaec7SEli Britstein * |- list_head item 0 8879baaec7SEli Britstein * |- index (0) 8979baaec7SEli Britstein * [1] Helper item 1 9079baaec7SEli Britstein * |- list_head item 1 9179baaec7SEli Britstein * |- index (1) 9279baaec7SEli Britstein * To access the containing struct from one of the list_head items: 9379baaec7SEli Britstein * 1. Get the helper item from the list_head item using 9479baaec7SEli Britstein * helper item = 9579baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 9679baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 9779baaec7SEli Britstein * containing struct = 9879baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 9979baaec7SEli Britstein */ 10079baaec7SEli Britstein struct encap_flow_item { 10179baaec7SEli Britstein struct list_head list; 10279baaec7SEli Britstein int index; 10379baaec7SEli Britstein }; 10479baaec7SEli Britstein 105e8f887acSAmir Vadai struct mlx5e_tc_flow { 106e8f887acSAmir Vadai struct rhash_head node; 107655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 108e8f887acSAmir Vadai u64 cookie; 1095dbe906fSPaul Blakey u16 flags; 110e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11179baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 11279baaec7SEli Britstein * The number of encaps is bounded by the number of supported 11379baaec7SEli Britstein * destinations. 11479baaec7SEli Britstein */ 11579baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 11604de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 11711c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 1185c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 11904de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 120b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1213bc4b7bfSOr Gerlitz union { 122ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1233bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1243bc4b7bfSOr Gerlitz }; 125e8f887acSAmir Vadai }; 126e8f887acSAmir Vadai 12717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 12898b66cb1SEli Britstein struct ip_tunnel_info tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 129d11afc26SOz Shlomo struct net_device *filter_dev; 13017091853SOr Gerlitz struct mlx5_flow_spec spec; 131d79b6df6SOr Gerlitz int num_mod_hdr_actions; 132218d05ceSTonghao Zhang int max_mod_hdr_actions; 133d79b6df6SOr Gerlitz void *mod_hdr_actions; 13498b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 13517091853SOr Gerlitz }; 13617091853SOr Gerlitz 137acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 138b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 139e8f887acSAmir Vadai 14077ab67b7SOr Gerlitz struct mlx5e_hairpin { 14177ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 14277ab67b7SOr Gerlitz 14377ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1443f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 14577ab67b7SOr Gerlitz u32 tdn; 14677ab67b7SOr Gerlitz u32 tirn; 1473f6d08d1SOr Gerlitz 1483f6d08d1SOr Gerlitz int num_channels; 1493f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1503f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1513f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 15277ab67b7SOr Gerlitz }; 15377ab67b7SOr Gerlitz 1545c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1555c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1565c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1575c65c564SOr Gerlitz 1585c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1595c65c564SOr Gerlitz struct list_head flows; 1605c65c564SOr Gerlitz 161d8822868SOr Gerlitz u16 peer_vhca_id; 162106be53bSOr Gerlitz u8 prio; 1635c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1645c65c564SOr Gerlitz }; 1655c65c564SOr Gerlitz 16611c9c548SOr Gerlitz struct mod_hdr_key { 16711c9c548SOr Gerlitz int num_actions; 16811c9c548SOr Gerlitz void *actions; 16911c9c548SOr Gerlitz }; 17011c9c548SOr Gerlitz 17111c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 17211c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 17311c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 17411c9c548SOr Gerlitz 17511c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 17611c9c548SOr Gerlitz struct list_head flows; 17711c9c548SOr Gerlitz 17811c9c548SOr Gerlitz struct mod_hdr_key key; 17911c9c548SOr Gerlitz 18011c9c548SOr Gerlitz u32 mod_hdr_id; 18111c9c548SOr Gerlitz }; 18211c9c548SOr Gerlitz 18311c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 18411c9c548SOr Gerlitz 18511c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 18611c9c548SOr Gerlitz { 18711c9c548SOr Gerlitz return jhash(key->actions, 18811c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 18911c9c548SOr Gerlitz } 19011c9c548SOr Gerlitz 19111c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 19211c9c548SOr Gerlitz struct mod_hdr_key *b) 19311c9c548SOr Gerlitz { 19411c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 19511c9c548SOr Gerlitz return 1; 19611c9c548SOr Gerlitz 19711c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 19811c9c548SOr Gerlitz } 19911c9c548SOr Gerlitz 20011c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 20111c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 20211c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 20311c9c548SOr Gerlitz { 20411c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20511c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 20611c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 20711c9c548SOr Gerlitz struct mod_hdr_key key; 20811c9c548SOr Gerlitz bool found = false; 20911c9c548SOr Gerlitz u32 hash_key; 21011c9c548SOr Gerlitz 21111c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 21211c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 21311c9c548SOr Gerlitz 21411c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 21511c9c548SOr Gerlitz key.num_actions = num_actions; 21611c9c548SOr Gerlitz 21711c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 21811c9c548SOr Gerlitz 21911c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 22011c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 22111c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 22211c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 22311c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 22411c9c548SOr Gerlitz found = true; 22511c9c548SOr Gerlitz break; 22611c9c548SOr Gerlitz } 22711c9c548SOr Gerlitz } 22811c9c548SOr Gerlitz } else { 22911c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 23011c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 23111c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 23211c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 23311c9c548SOr Gerlitz found = true; 23411c9c548SOr Gerlitz break; 23511c9c548SOr Gerlitz } 23611c9c548SOr Gerlitz } 23711c9c548SOr Gerlitz } 23811c9c548SOr Gerlitz 23911c9c548SOr Gerlitz if (found) 24011c9c548SOr Gerlitz goto attach_flow; 24111c9c548SOr Gerlitz 24211c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 24311c9c548SOr Gerlitz if (!mh) 24411c9c548SOr Gerlitz return -ENOMEM; 24511c9c548SOr Gerlitz 24611c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 24711c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 24811c9c548SOr Gerlitz mh->key.num_actions = num_actions; 24911c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 25011c9c548SOr Gerlitz 25111c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 25211c9c548SOr Gerlitz mh->key.num_actions, 25311c9c548SOr Gerlitz mh->key.actions, 25411c9c548SOr Gerlitz &mh->mod_hdr_id); 25511c9c548SOr Gerlitz if (err) 25611c9c548SOr Gerlitz goto out_err; 25711c9c548SOr Gerlitz 25811c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 25911c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 26011c9c548SOr Gerlitz else 26111c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 26211c9c548SOr Gerlitz 26311c9c548SOr Gerlitz attach_flow: 26411c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 26511c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 26611c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 26711c9c548SOr Gerlitz else 26811c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 26911c9c548SOr Gerlitz 27011c9c548SOr Gerlitz return 0; 27111c9c548SOr Gerlitz 27211c9c548SOr Gerlitz out_err: 27311c9c548SOr Gerlitz kfree(mh); 27411c9c548SOr Gerlitz return err; 27511c9c548SOr Gerlitz } 27611c9c548SOr Gerlitz 27711c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 27811c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 27911c9c548SOr Gerlitz { 28011c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 28111c9c548SOr Gerlitz 28211c9c548SOr Gerlitz list_del(&flow->mod_hdr); 28311c9c548SOr Gerlitz 28411c9c548SOr Gerlitz if (list_empty(next)) { 28511c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 28611c9c548SOr Gerlitz 28711c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 28811c9c548SOr Gerlitz 28911c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 29011c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 29111c9c548SOr Gerlitz kfree(mh); 29211c9c548SOr Gerlitz } 29311c9c548SOr Gerlitz } 29411c9c548SOr Gerlitz 29577ab67b7SOr Gerlitz static 29677ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 29777ab67b7SOr Gerlitz { 29877ab67b7SOr Gerlitz struct net_device *netdev; 29977ab67b7SOr Gerlitz struct mlx5e_priv *priv; 30077ab67b7SOr Gerlitz 30177ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 30277ab67b7SOr Gerlitz priv = netdev_priv(netdev); 30377ab67b7SOr Gerlitz return priv->mdev; 30477ab67b7SOr Gerlitz } 30577ab67b7SOr Gerlitz 30677ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 30777ab67b7SOr Gerlitz { 30877ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 30977ab67b7SOr Gerlitz void *tirc; 31077ab67b7SOr Gerlitz int err; 31177ab67b7SOr Gerlitz 31277ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 31377ab67b7SOr Gerlitz if (err) 31477ab67b7SOr Gerlitz goto alloc_tdn_err; 31577ab67b7SOr Gerlitz 31677ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 31777ab67b7SOr Gerlitz 31877ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 319ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 32077ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 32177ab67b7SOr Gerlitz 32277ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 32377ab67b7SOr Gerlitz if (err) 32477ab67b7SOr Gerlitz goto create_tir_err; 32577ab67b7SOr Gerlitz 32677ab67b7SOr Gerlitz return 0; 32777ab67b7SOr Gerlitz 32877ab67b7SOr Gerlitz create_tir_err: 32977ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 33077ab67b7SOr Gerlitz alloc_tdn_err: 33177ab67b7SOr Gerlitz return err; 33277ab67b7SOr Gerlitz } 33377ab67b7SOr Gerlitz 33477ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 33577ab67b7SOr Gerlitz { 33677ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 33777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 33877ab67b7SOr Gerlitz } 33977ab67b7SOr Gerlitz 3403f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3413f6d08d1SOr Gerlitz { 3423f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3433f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3443f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3453f6d08d1SOr Gerlitz 3463f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3473f6d08d1SOr Gerlitz hp->num_channels); 3483f6d08d1SOr Gerlitz 3493f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3503f6d08d1SOr Gerlitz ix = i; 351bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 3523f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3533f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3543f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3553f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3563f6d08d1SOr Gerlitz } 3573f6d08d1SOr Gerlitz } 3583f6d08d1SOr Gerlitz 3593f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3603f6d08d1SOr Gerlitz { 3613f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3623f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3633f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3643f6d08d1SOr Gerlitz void *rqtc; 3653f6d08d1SOr Gerlitz u32 *in; 3663f6d08d1SOr Gerlitz 3673f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3683f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3693f6d08d1SOr Gerlitz if (!in) 3703f6d08d1SOr Gerlitz return -ENOMEM; 3713f6d08d1SOr Gerlitz 3723f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3733f6d08d1SOr Gerlitz 3743f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3753f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3763f6d08d1SOr Gerlitz 3773f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3783f6d08d1SOr Gerlitz 3793f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3803f6d08d1SOr Gerlitz if (!err) 3813f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3823f6d08d1SOr Gerlitz 3833f6d08d1SOr Gerlitz kvfree(in); 3843f6d08d1SOr Gerlitz return err; 3853f6d08d1SOr Gerlitz } 3863f6d08d1SOr Gerlitz 3873f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3883f6d08d1SOr Gerlitz { 3893f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3903f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3913f6d08d1SOr Gerlitz int tt, i, err; 3923f6d08d1SOr Gerlitz void *tirc; 3933f6d08d1SOr Gerlitz 3943f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 395d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 396d930ac79SAya Levin 3973f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3983f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3993f6d08d1SOr Gerlitz 4003f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 4013f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 4023f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 403bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 404bbeb53b8SAya Levin 4053f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 4063f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 4073f6d08d1SOr Gerlitz if (err) { 4083f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 4093f6d08d1SOr Gerlitz goto err_destroy_tirs; 4103f6d08d1SOr Gerlitz } 4113f6d08d1SOr Gerlitz } 4123f6d08d1SOr Gerlitz return 0; 4133f6d08d1SOr Gerlitz 4143f6d08d1SOr Gerlitz err_destroy_tirs: 4153f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 4163f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 4173f6d08d1SOr Gerlitz return err; 4183f6d08d1SOr Gerlitz } 4193f6d08d1SOr Gerlitz 4203f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 4213f6d08d1SOr Gerlitz { 4223f6d08d1SOr Gerlitz int tt; 4233f6d08d1SOr Gerlitz 4243f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4253f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 4263f6d08d1SOr Gerlitz } 4273f6d08d1SOr Gerlitz 4283f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 4293f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 4303f6d08d1SOr Gerlitz { 4313f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4323f6d08d1SOr Gerlitz int tt; 4333f6d08d1SOr Gerlitz 4343f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4353f6d08d1SOr Gerlitz 4363f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4373f6d08d1SOr Gerlitz 4383f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4393f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4403f6d08d1SOr Gerlitz 4413f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4423f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4433f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4443f6d08d1SOr Gerlitz } 4453f6d08d1SOr Gerlitz 4463f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4473f6d08d1SOr Gerlitz { 4483f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4493f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4503f6d08d1SOr Gerlitz int err; 4513f6d08d1SOr Gerlitz 4523f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4533f6d08d1SOr Gerlitz if (err) 4543f6d08d1SOr Gerlitz return err; 4553f6d08d1SOr Gerlitz 4563f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4573f6d08d1SOr Gerlitz if (err) 4583f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4593f6d08d1SOr Gerlitz 4603f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4613f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4623f6d08d1SOr Gerlitz if (err) 4633f6d08d1SOr Gerlitz goto err_create_ttc_table; 4643f6d08d1SOr Gerlitz 4653f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4663f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4673f6d08d1SOr Gerlitz 4683f6d08d1SOr Gerlitz return 0; 4693f6d08d1SOr Gerlitz 4703f6d08d1SOr Gerlitz err_create_ttc_table: 4713f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4723f6d08d1SOr Gerlitz err_create_indirect_tirs: 4733f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4743f6d08d1SOr Gerlitz 4753f6d08d1SOr Gerlitz return err; 4763f6d08d1SOr Gerlitz } 4773f6d08d1SOr Gerlitz 4783f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4793f6d08d1SOr Gerlitz { 4803f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4813f6d08d1SOr Gerlitz 4823f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4833f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4843f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4853f6d08d1SOr Gerlitz } 4863f6d08d1SOr Gerlitz 48777ab67b7SOr Gerlitz static struct mlx5e_hairpin * 48877ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 48977ab67b7SOr Gerlitz int peer_ifindex) 49077ab67b7SOr Gerlitz { 49177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 49277ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 49377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 49477ab67b7SOr Gerlitz int err; 49577ab67b7SOr Gerlitz 49677ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 49777ab67b7SOr Gerlitz if (!hp) 49877ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 49977ab67b7SOr Gerlitz 50077ab67b7SOr Gerlitz func_mdev = priv->mdev; 50177ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 50277ab67b7SOr Gerlitz 50377ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 50477ab67b7SOr Gerlitz if (IS_ERR(pair)) { 50577ab67b7SOr Gerlitz err = PTR_ERR(pair); 50677ab67b7SOr Gerlitz goto create_pair_err; 50777ab67b7SOr Gerlitz } 50877ab67b7SOr Gerlitz hp->pair = pair; 50977ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 5103f6d08d1SOr Gerlitz hp->func_priv = priv; 5113f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 51277ab67b7SOr Gerlitz 51377ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 51477ab67b7SOr Gerlitz if (err) 51577ab67b7SOr Gerlitz goto create_transport_err; 51677ab67b7SOr Gerlitz 5173f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 5183f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 5193f6d08d1SOr Gerlitz if (err) 5203f6d08d1SOr Gerlitz goto rss_init_err; 5213f6d08d1SOr Gerlitz } 5223f6d08d1SOr Gerlitz 52377ab67b7SOr Gerlitz return hp; 52477ab67b7SOr Gerlitz 5253f6d08d1SOr Gerlitz rss_init_err: 5263f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 52777ab67b7SOr Gerlitz create_transport_err: 52877ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 52977ab67b7SOr Gerlitz create_pair_err: 53077ab67b7SOr Gerlitz kfree(hp); 53177ab67b7SOr Gerlitz return ERR_PTR(err); 53277ab67b7SOr Gerlitz } 53377ab67b7SOr Gerlitz 53477ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 53577ab67b7SOr Gerlitz { 5363f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5373f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 53877ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 53977ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 54077ab67b7SOr Gerlitz kvfree(hp); 54177ab67b7SOr Gerlitz } 54277ab67b7SOr Gerlitz 543106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 544106be53bSOr Gerlitz { 545106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 546106be53bSOr Gerlitz } 547106be53bSOr Gerlitz 5485c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 549106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5505c65c564SOr Gerlitz { 5515c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 552106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5535c65c564SOr Gerlitz 5545c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 555106be53bSOr Gerlitz hairpin_hlist, hash_key) { 556106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5575c65c564SOr Gerlitz return hpe; 5585c65c564SOr Gerlitz } 5595c65c564SOr Gerlitz 5605c65c564SOr Gerlitz return NULL; 5615c65c564SOr Gerlitz } 5625c65c564SOr Gerlitz 563106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 564106be53bSOr Gerlitz 565106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 566e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 567e98bedf5SEli Britstein struct netlink_ext_ack *extack) 568106be53bSOr Gerlitz { 569106be53bSOr Gerlitz void *headers_c, *headers_v; 570106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 571106be53bSOr Gerlitz bool vlan_present; 572106be53bSOr Gerlitz 573106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 574106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 575e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 576e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 577106be53bSOr Gerlitz return -EOPNOTSUPP; 578106be53bSOr Gerlitz } 579106be53bSOr Gerlitz #endif 580106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 581106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 582106be53bSOr Gerlitz 583106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 584106be53bSOr Gerlitz if (vlan_present) { 585106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 586106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 587106be53bSOr Gerlitz } 588106be53bSOr Gerlitz 589106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 590106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 591106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 592e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 593e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 594106be53bSOr Gerlitz return -EOPNOTSUPP; 595106be53bSOr Gerlitz } 596106be53bSOr Gerlitz 597106be53bSOr Gerlitz *match_prio = prio_val; 598106be53bSOr Gerlitz return 0; 599106be53bSOr Gerlitz } 600106be53bSOr Gerlitz 6015c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 6025c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 603e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 604e98bedf5SEli Britstein struct netlink_ext_ack *extack) 6055c65c564SOr Gerlitz { 60698b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 6075c65c564SOr Gerlitz struct mlx5_hairpin_params params; 608d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 6095c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6105c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 6113f6d08d1SOr Gerlitz u64 link_speed64; 6123f6d08d1SOr Gerlitz u32 link_speed; 613106be53bSOr Gerlitz u8 match_prio; 614d8822868SOr Gerlitz u16 peer_id; 6155c65c564SOr Gerlitz int err; 6165c65c564SOr Gerlitz 617d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 618d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 619e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 6205c65c564SOr Gerlitz return -EOPNOTSUPP; 6215c65c564SOr Gerlitz } 6225c65c564SOr Gerlitz 623d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 624e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 625e98bedf5SEli Britstein extack); 626106be53bSOr Gerlitz if (err) 627106be53bSOr Gerlitz return err; 628106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 6295c65c564SOr Gerlitz if (hpe) 6305c65c564SOr Gerlitz goto attach_flow; 6315c65c564SOr Gerlitz 6325c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6335c65c564SOr Gerlitz if (!hpe) 6345c65c564SOr Gerlitz return -ENOMEM; 6355c65c564SOr Gerlitz 6365c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 637d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 638106be53bSOr Gerlitz hpe->prio = match_prio; 6395c65c564SOr Gerlitz 6405c65c564SOr Gerlitz params.log_data_size = 15; 6415c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6425c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6435c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6445c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6455c65c564SOr Gerlitz 646eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 647eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 648eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 649eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 650eb9180f7SOr Gerlitz 651eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6523f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6532c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6543f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6553f6d08d1SOr Gerlitz link_speed64 = link_speed; 6563f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6573f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6583f6d08d1SOr Gerlitz 6595c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6605c65c564SOr Gerlitz if (IS_ERR(hp)) { 6615c65c564SOr Gerlitz err = PTR_ERR(hp); 6625c65c564SOr Gerlitz goto create_hairpin_err; 6635c65c564SOr Gerlitz } 6645c65c564SOr Gerlitz 665eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 666ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 667eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6685c65c564SOr Gerlitz 6695c65c564SOr Gerlitz hpe->hp = hp; 670106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 671106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6725c65c564SOr Gerlitz 6735c65c564SOr Gerlitz attach_flow: 6743f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6753f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6763f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6773f6d08d1SOr Gerlitz } else { 6785c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6793f6d08d1SOr Gerlitz } 6805c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6813f6d08d1SOr Gerlitz 6825c65c564SOr Gerlitz return 0; 6835c65c564SOr Gerlitz 6845c65c564SOr Gerlitz create_hairpin_err: 6855c65c564SOr Gerlitz kfree(hpe); 6865c65c564SOr Gerlitz return err; 6875c65c564SOr Gerlitz } 6885c65c564SOr Gerlitz 6895c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6905c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6915c65c564SOr Gerlitz { 6925c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6935c65c564SOr Gerlitz 6945c65c564SOr Gerlitz list_del(&flow->hairpin); 6955c65c564SOr Gerlitz 6965c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6975c65c564SOr Gerlitz if (list_empty(next)) { 6985c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6995c65c564SOr Gerlitz 7005c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 7015c65c564SOr Gerlitz 7025c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 7035c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 7045c65c564SOr Gerlitz 7055c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 7065c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 7075c65c564SOr Gerlitz kfree(hpe); 7085c65c564SOr Gerlitz } 7095c65c564SOr Gerlitz } 7105c65c564SOr Gerlitz 711c83954abSRabie Loulou static int 71274491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 71317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 714e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 715e98bedf5SEli Britstein struct netlink_ext_ack *extack) 716e8f887acSAmir Vadai { 717aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 718aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 7195c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 72066958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 7213bc4b7bfSOr Gerlitz .action = attr->action, 7223bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 72360786f09SMark Bloch .reformat_id = 0, 72442f7ad67SPaul Blakey .flags = FLOW_ACT_HAS_TAG | FLOW_ACT_NO_APPEND, 72566958ed9SHadar Hen Zion }; 726aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 727e8f887acSAmir Vadai bool table_created = false; 7285c65c564SOr Gerlitz int err, dest_ix = 0; 729e8f887acSAmir Vadai 7305c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 731e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7325c65c564SOr Gerlitz if (err) { 7335c65c564SOr Gerlitz goto err_add_hairpin_flow; 7345c65c564SOr Gerlitz } 7353f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7363f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7373f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7383f6d08d1SOr Gerlitz } else { 7395c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7405c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7413f6d08d1SOr Gerlitz } 7423f6d08d1SOr Gerlitz dest_ix++; 7433f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7445c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7455c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7465c65c564SOr Gerlitz dest_ix++; 7475c65c564SOr Gerlitz } 748aad7e08dSAmir Vadai 7495c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7505c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7515c65c564SOr Gerlitz if (IS_ERR(counter)) { 752c83954abSRabie Loulou err = PTR_ERR(counter); 7535c65c564SOr Gerlitz goto err_fc_create; 7545c65c564SOr Gerlitz } 7555c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 756171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 7575c65c564SOr Gerlitz dest_ix++; 758b8aee822SMark Bloch attr->counter = counter; 759aad7e08dSAmir Vadai } 760aad7e08dSAmir Vadai 7612f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7623099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 763d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7642f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 765c83954abSRabie Loulou if (err) 7662f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7672f4fe4caSOr Gerlitz } 7682f4fe4caSOr Gerlitz 769acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 77021b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 77121b9c144SOr Gerlitz u32 max_flow_counter; 77221b9c144SOr Gerlitz 77321b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 77421b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 77521b9c144SOr Gerlitz 77621b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 77721b9c144SOr Gerlitz 77821b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 77921b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 78021b9c144SOr Gerlitz 781acff797cSMaor Gottlieb priv->fs.tc.t = 782acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 783acff797cSMaor Gottlieb MLX5E_TC_PRIO, 78421b9c144SOr Gerlitz tc_tbl_size, 785acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7863f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 787acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 788e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 789e98bedf5SEli Britstein "Failed to create tc offload table\n"); 790e8f887acSAmir Vadai netdev_err(priv->netdev, 791e8f887acSAmir Vadai "Failed to create tc offload table\n"); 792c83954abSRabie Loulou err = PTR_ERR(priv->fs.tc.t); 793aad7e08dSAmir Vadai goto err_create_ft; 794e8f887acSAmir Vadai } 795e8f887acSAmir Vadai 796e8f887acSAmir Vadai table_created = true; 797e8f887acSAmir Vadai } 798e8f887acSAmir Vadai 79938aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 80017091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 80138aa51c1SOr Gerlitz 802c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 8035c65c564SOr Gerlitz &flow_act, dest, dest_ix); 804e8f887acSAmir Vadai 805c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 806c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 807aad7e08dSAmir Vadai goto err_add_rule; 808c83954abSRabie Loulou } 809aad7e08dSAmir Vadai 810c83954abSRabie Loulou return 0; 811aad7e08dSAmir Vadai 812aad7e08dSAmir Vadai err_add_rule: 813aad7e08dSAmir Vadai if (table_created) { 814acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 815acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 816e8f887acSAmir Vadai } 817aad7e08dSAmir Vadai err_create_ft: 8182f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8193099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8202f4fe4caSOr Gerlitz err_create_mod_hdr_id: 821aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 8225c65c564SOr Gerlitz err_fc_create: 8235c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8245c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 8255c65c564SOr Gerlitz err_add_hairpin_flow: 826c83954abSRabie Loulou return err; 827e8f887acSAmir Vadai } 828e8f887acSAmir Vadai 829d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 830d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 831d85cdccbSOr Gerlitz { 832513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 833d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 834d85cdccbSOr Gerlitz 835b8aee822SMark Bloch counter = attr->counter; 836e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 837d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 838d85cdccbSOr Gerlitz 839d9ee0491SOr Gerlitz if (!mlx5e_tc_num_filters(priv, MLX5E_TC_NIC_OFFLOAD) && priv->fs.tc.t) { 840d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 841d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 842d85cdccbSOr Gerlitz } 8432f4fe4caSOr Gerlitz 844513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8453099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8465c65c564SOr Gerlitz 8475c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8485c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 849d85cdccbSOr Gerlitz } 850d85cdccbSOr Gerlitz 851aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 8528c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 853aa0cbbaeSOr Gerlitz 8543c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 855e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 856733d4f36SRoi Dayan struct net_device *mirred_dev, 857733d4f36SRoi Dayan int out_index, 8588c4dc42bSEli Britstein struct netlink_ext_ack *extack, 8590ad060eeSRoi Dayan struct net_device **encap_dev, 8600ad060eeSRoi Dayan bool *encap_valid); 8613c37745eSOr Gerlitz 8626d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 8636d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 8646d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8656d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 8666d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8676d2a3ed0SOr Gerlitz { 8686d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 8696d2a3ed0SOr Gerlitz 8706d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 8716d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 8726d2a3ed0SOr Gerlitz return rule; 8736d2a3ed0SOr Gerlitz 874e85e02baSEli Britstein if (attr->split_count) { 8756d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 8766d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 8776d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 8786d2a3ed0SOr Gerlitz return flow->rule[1]; 8796d2a3ed0SOr Gerlitz } 8806d2a3ed0SOr Gerlitz } 8816d2a3ed0SOr Gerlitz 8826d2a3ed0SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 8836d2a3ed0SOr Gerlitz return rule; 8846d2a3ed0SOr Gerlitz } 8856d2a3ed0SOr Gerlitz 8866d2a3ed0SOr Gerlitz static void 8876d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 8886d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8896d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8906d2a3ed0SOr Gerlitz { 8916d2a3ed0SOr Gerlitz flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 8926d2a3ed0SOr Gerlitz 893e85e02baSEli Britstein if (attr->split_count) 8946d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 8956d2a3ed0SOr Gerlitz 8966d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 8976d2a3ed0SOr Gerlitz } 8986d2a3ed0SOr Gerlitz 8995dbe906fSPaul Blakey static struct mlx5_flow_handle * 9005dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 9015dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9025dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 9035dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9045dbe906fSPaul Blakey { 9055dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 9065dbe906fSPaul Blakey 9075dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 908154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9092be09de7SDavid S. Miller slow_attr->split_count = 0; 910154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9115dbe906fSPaul Blakey 9125dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 9135dbe906fSPaul Blakey if (!IS_ERR(rule)) 9145dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_SLOW; 9155dbe906fSPaul Blakey 9165dbe906fSPaul Blakey return rule; 9175dbe906fSPaul Blakey } 9185dbe906fSPaul Blakey 9195dbe906fSPaul Blakey static void 9205dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 9215dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9225dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9235dbe906fSPaul Blakey { 9245dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 925154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9262be09de7SDavid S. Miller slow_attr->split_count = 0; 927154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9285dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 9295dbe906fSPaul Blakey flow->flags &= ~MLX5E_TC_FLOW_SLOW; 9305dbe906fSPaul Blakey } 9315dbe906fSPaul Blakey 932b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 933b4a23329SRoi Dayan { 934b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 935b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 936b4a23329SRoi Dayan struct mlx5_eswitch *esw; 937b4a23329SRoi Dayan 938b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 939b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 940b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 941b4a23329SRoi Dayan 942b4a23329SRoi Dayan flow->flags |= MLX5E_TC_FLOW_NOT_READY; 943b4a23329SRoi Dayan list_add_tail(&flow->unready, &uplink_priv->unready_flows); 944b4a23329SRoi Dayan } 945b4a23329SRoi Dayan 946b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 947b4a23329SRoi Dayan { 948b4a23329SRoi Dayan list_del(&flow->unready); 949b4a23329SRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_NOT_READY; 950b4a23329SRoi Dayan } 951b4a23329SRoi Dayan 952c83954abSRabie Loulou static int 95374491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 954e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 955e98bedf5SEli Britstein struct netlink_ext_ack *extack) 956adb4c123SOr Gerlitz { 957adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 958bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 959aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 9607040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 961bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 9623c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 963b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 9643c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 9653c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 9660ad060eeSRoi Dayan bool encap_valid = true; 9670ad060eeSRoi Dayan int err = 0; 968f493f155SEli Britstein int out_index; 9698b32580dSOr Gerlitz 970d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 971d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 972d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 973d14f6f2aSOr Gerlitz } 974e52c2802SPaul Blakey 975bf07aa73SPaul Blakey if (attr->chain > max_chain) { 976bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 977bf07aa73SPaul Blakey err = -EOPNOTSUPP; 978bf07aa73SPaul Blakey goto err_max_prio_chain; 979bf07aa73SPaul Blakey } 980bf07aa73SPaul Blakey 981bf07aa73SPaul Blakey if (attr->prio > max_prio) { 982bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 983bf07aa73SPaul Blakey err = -EOPNOTSUPP; 984bf07aa73SPaul Blakey goto err_max_prio_chain; 985bf07aa73SPaul Blakey } 986bf07aa73SPaul Blakey 987f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 9888c4dc42bSEli Britstein int mirred_ifindex; 9898c4dc42bSEli Britstein 990f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 991f493f155SEli Britstein continue; 992f493f155SEli Britstein 9937040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 9943c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 9958c4dc42bSEli Britstein mirred_ifindex); 996733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 9970ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 9980ad060eeSRoi Dayan if (err) 9993c37745eSOr Gerlitz goto err_attach_encap; 10000ad060eeSRoi Dayan 10013c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 10023c37745eSOr Gerlitz rpriv = out_priv->ppriv; 10031cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 10041cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 10053c37745eSOr Gerlitz } 10063c37745eSOr Gerlitz 10078b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1008c83954abSRabie Loulou if (err) 1009aa0cbbaeSOr Gerlitz goto err_add_vlan; 1010adb4c123SOr Gerlitz 1011d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 10121a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1013d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1014c83954abSRabie Loulou if (err) 1015d7e75a32SOr Gerlitz goto err_mod_hdr; 1016d7e75a32SOr Gerlitz } 1017d7e75a32SOr Gerlitz 1018b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1019f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 1020b8aee822SMark Bloch if (IS_ERR(counter)) { 1021c83954abSRabie Loulou err = PTR_ERR(counter); 1022b8aee822SMark Bloch goto err_create_counter; 1023b8aee822SMark Bloch } 1024b8aee822SMark Bloch 1025b8aee822SMark Bloch attr->counter = counter; 1026b8aee822SMark Bloch } 1027b8aee822SMark Bloch 10280ad060eeSRoi Dayan /* we get here if one of the following takes place: 10290ad060eeSRoi Dayan * (1) there's no error 10300ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 10313c37745eSOr Gerlitz */ 10320ad060eeSRoi Dayan if (!encap_valid) { 10335dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 10345dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 10355dbe906fSPaul Blakey 10365dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 10375dbe906fSPaul Blakey } else { 10386d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 10395dbe906fSPaul Blakey } 10405dbe906fSPaul Blakey 1041c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 1042c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 1043aa0cbbaeSOr Gerlitz goto err_add_rule; 1044c83954abSRabie Loulou } 1045c83954abSRabie Loulou 10465dbe906fSPaul Blakey return 0; 1047aa0cbbaeSOr Gerlitz 1048aa0cbbaeSOr Gerlitz err_add_rule: 1049f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, counter); 1050b8aee822SMark Bloch err_create_counter: 1051513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10521a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1053d7e75a32SOr Gerlitz err_mod_hdr: 1054aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1055aa0cbbaeSOr Gerlitz err_add_vlan: 1056f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10578c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10588c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 10593c37745eSOr Gerlitz err_attach_encap: 1060bf07aa73SPaul Blakey err_max_prio_chain: 1061c83954abSRabie Loulou return err; 1062aa0cbbaeSOr Gerlitz } 1063d85cdccbSOr Gerlitz 1064d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1065d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1066d85cdccbSOr Gerlitz { 1067d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1068d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10695dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1070f493f155SEli Britstein int out_index; 1071d85cdccbSOr Gerlitz 1072ef06c9eeSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_NOT_READY) { 1073b4a23329SRoi Dayan remove_unready_flow(flow); 1074ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1075ef06c9eeSRoi Dayan return; 1076ef06c9eeSRoi Dayan } 1077ef06c9eeSRoi Dayan 10785dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 10795dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_SLOW) 10805dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10815dbe906fSPaul Blakey else 10825dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 10835dbe906fSPaul Blakey } 1084d85cdccbSOr Gerlitz 1085513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1086d85cdccbSOr Gerlitz 1087f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10888c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10898c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1090f493f155SEli Britstein kvfree(attr->parse_attr); 1091d7e75a32SOr Gerlitz 1092513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10931a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1094b8aee822SMark Bloch 1095b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1096f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1097d85cdccbSOr Gerlitz } 1098d85cdccbSOr Gerlitz 1099232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1100232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1101232c0013SHadar Hen Zion { 11023c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11035dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 11046d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11056d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 110679baaec7SEli Britstein struct encap_flow_item *efi; 1107232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1108232c0013SHadar Hen Zion int err; 1109232c0013SHadar Hen Zion 111054c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 111154c177caSOz Shlomo e->reformat_type, 1112232c0013SHadar Hen Zion e->encap_size, e->encap_header, 111331ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1114232c0013SHadar Hen Zion &e->encap_id); 1115232c0013SHadar Hen Zion if (err) { 1116232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1117232c0013SHadar Hen Zion err); 1118232c0013SHadar Hen Zion return; 1119232c0013SHadar Hen Zion } 1120232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1121f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1122232c0013SHadar Hen Zion 112379baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 11248c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 11258c4dc42bSEli Britstein int i; 11268c4dc42bSEli Britstein 112779baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11283c37745eSOr Gerlitz esw_attr = flow->esw_attr; 11296d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 11306d2a3ed0SOr Gerlitz 11318c4dc42bSEli Britstein esw_attr->dests[efi->index].encap_id = e->encap_id; 11328c4dc42bSEli Britstein esw_attr->dests[efi->index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 11338c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 11348c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 11358c4dc42bSEli Britstein * a valid neighbour. 11368c4dc42bSEli Britstein */ 11378c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 11388c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 11398c4dc42bSEli Britstein continue; 11408c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 11418c4dc42bSEli Britstein all_flow_encaps_valid = false; 11428c4dc42bSEli Britstein break; 11438c4dc42bSEli Britstein } 11448c4dc42bSEli Britstein } 11458c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 11468c4dc42bSEli Britstein if (!all_flow_encaps_valid) 11478c4dc42bSEli Britstein continue; 11485dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 11496d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 11506d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 11516d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1152232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1153232c0013SHadar Hen Zion err); 1154232c0013SHadar Hen Zion continue; 1155232c0013SHadar Hen Zion } 11565dbe906fSPaul Blakey 11575dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 11585dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when slow path rule removed */ 11596d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1160232c0013SHadar Hen Zion } 1161232c0013SHadar Hen Zion } 1162232c0013SHadar Hen Zion 1163232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1164232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1165232c0013SHadar Hen Zion { 11663c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11675dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 11685dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11695dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 117079baaec7SEli Britstein struct encap_flow_item *efi; 1171232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 11725dbe906fSPaul Blakey int err; 1173232c0013SHadar Hen Zion 117479baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 117579baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11765dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 11775dbe906fSPaul Blakey 11785dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 11795dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 11808c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 11818c4dc42bSEli Britstein flow->esw_attr->dests[efi->index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 11825dbe906fSPaul Blakey 11835dbe906fSPaul Blakey if (IS_ERR(rule)) { 11845dbe906fSPaul Blakey err = PTR_ERR(rule); 11855dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 11865dbe906fSPaul Blakey err); 11875dbe906fSPaul Blakey continue; 11885dbe906fSPaul Blakey } 11895dbe906fSPaul Blakey 11906d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 11915dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when fast path rule removed */ 11925dbe906fSPaul Blakey flow->rule[0] = rule; 1193232c0013SHadar Hen Zion } 1194232c0013SHadar Hen Zion 119561c806daSOr Gerlitz /* we know that the encap is valid */ 1196232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 119760786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1198232c0013SHadar Hen Zion } 1199232c0013SHadar Hen Zion 1200b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1201b8aee822SMark Bloch { 1202b8aee822SMark Bloch if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1203b8aee822SMark Bloch return flow->esw_attr->counter; 1204b8aee822SMark Bloch else 1205b8aee822SMark Bloch return flow->nic_attr->counter; 1206b8aee822SMark Bloch } 1207b8aee822SMark Bloch 1208f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1209f6dfb4c3SHadar Hen Zion { 1210f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1211f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1212f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1213f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1214f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1215f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1216f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1217f6dfb4c3SHadar Hen Zion struct neighbour *n; 1218f6dfb4c3SHadar Hen Zion 1219f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1220f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1221f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1222f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1223423c9db2SOr Gerlitz tbl = &nd_tbl; 1224f6dfb4c3SHadar Hen Zion #endif 1225f6dfb4c3SHadar Hen Zion else 1226f6dfb4c3SHadar Hen Zion return; 1227f6dfb4c3SHadar Hen Zion 1228f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 122979baaec7SEli Britstein struct encap_flow_item *efi; 1230f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1231f6dfb4c3SHadar Hen Zion continue; 123279baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 123379baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 123479baaec7SEli Britstein encaps[efi->index]); 1235f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 1236b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 1237f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1238f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1239f6dfb4c3SHadar Hen Zion neigh_used = true; 1240f6dfb4c3SHadar Hen Zion break; 1241f6dfb4c3SHadar Hen Zion } 1242f6dfb4c3SHadar Hen Zion } 1243f6dfb4c3SHadar Hen Zion } 1244e36d4810SRoi Dayan if (neigh_used) 1245e36d4810SRoi Dayan break; 1246f6dfb4c3SHadar Hen Zion } 1247f6dfb4c3SHadar Hen Zion 1248f6dfb4c3SHadar Hen Zion if (neigh_used) { 1249f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1250f6dfb4c3SHadar Hen Zion 1251f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1252f6dfb4c3SHadar Hen Zion * dst ip pair 1253f6dfb4c3SHadar Hen Zion */ 1254f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1255c7f7ba8dSRoi Dayan if (!n) 1256f6dfb4c3SHadar Hen Zion return; 1257f6dfb4c3SHadar Hen Zion 1258f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1259f6dfb4c3SHadar Hen Zion neigh_release(n); 1260f6dfb4c3SHadar Hen Zion } 1261f6dfb4c3SHadar Hen Zion } 1262f6dfb4c3SHadar Hen Zion 1263d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 12648c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index) 1265d85cdccbSOr Gerlitz { 12668c4dc42bSEli Britstein struct list_head *next = flow->encaps[out_index].list.next; 12675067b602SRoi Dayan 12688c4dc42bSEli Britstein list_del(&flow->encaps[out_index].list); 12695067b602SRoi Dayan if (list_empty(next)) { 1270c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 12715067b602SRoi Dayan 1272c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1273232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1274232c0013SHadar Hen Zion 1275232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 127660786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1277232c0013SHadar Hen Zion 1278cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1279232c0013SHadar Hen Zion kfree(e->encap_header); 12805067b602SRoi Dayan kfree(e); 12815067b602SRoi Dayan } 12825067b602SRoi Dayan } 12835067b602SRoi Dayan 128404de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 128504de7ddaSRoi Dayan { 128604de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 128704de7ddaSRoi Dayan 128804de7ddaSRoi Dayan if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 128904de7ddaSRoi Dayan !(flow->flags & MLX5E_TC_FLOW_DUP)) 129004de7ddaSRoi Dayan return; 129104de7ddaSRoi Dayan 129204de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 129304de7ddaSRoi Dayan list_del(&flow->peer); 129404de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 129504de7ddaSRoi Dayan 129604de7ddaSRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_DUP; 129704de7ddaSRoi Dayan 129804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 129904de7ddaSRoi Dayan kvfree(flow->peer_flow); 130004de7ddaSRoi Dayan flow->peer_flow = NULL; 130104de7ddaSRoi Dayan } 130204de7ddaSRoi Dayan 130304de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 130404de7ddaSRoi Dayan { 130504de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 130604de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 130704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 130804de7ddaSRoi Dayan 130904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 131004de7ddaSRoi Dayan if (!peer_esw) 131104de7ddaSRoi Dayan return; 131204de7ddaSRoi Dayan 131304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 131404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 131504de7ddaSRoi Dayan } 131604de7ddaSRoi Dayan 1317e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1318961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1319e8f887acSAmir Vadai { 132004de7ddaSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 132104de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1322d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 132304de7ddaSRoi Dayan } else { 1324d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1325e8f887acSAmir Vadai } 132604de7ddaSRoi Dayan } 1327e8f887acSAmir Vadai 1328bbd00f7eSHadar Hen Zion 1329bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1330bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 133154c177caSOz Shlomo struct tc_cls_flower_offload *f, 13326363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1333bbd00f7eSHadar Hen Zion { 1334e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1335bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1336bbd00f7eSHadar Hen Zion outer_headers); 1337bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1338bbd00f7eSHadar Hen Zion outer_headers); 13398f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 13408f256622SPablo Neira Ayuso struct flow_match_control enc_control; 13418f256622SPablo Neira Ayuso int err; 1342bbd00f7eSHadar Hen Zion 1343101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 13446363651dSOr Gerlitz headers_c, headers_v, match_level); 134554c177caSOz Shlomo if (err) { 134654c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 134754c177caSOz Shlomo "failed to parse tunnel attributes"); 1348101f4de9SOz Shlomo return err; 1349bbd00f7eSHadar Hen Zion } 1350bbd00f7eSHadar Hen Zion 13518f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &enc_control); 13528f256622SPablo Neira Ayuso 13538f256622SPablo Neira Ayuso if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 13548f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 13558f256622SPablo Neira Ayuso 13568f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1357bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1358bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13598f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1360bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1361bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13628f256622SPablo Neira Ayuso ntohl(match.key->src)); 1363bbd00f7eSHadar Hen Zion 1364bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1365bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13668f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1367bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1368bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13698f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1370bbd00f7eSHadar Hen Zion 1371bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1372bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 13738f256622SPablo Neira Ayuso } else if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 13748f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 137519f44401SOr Gerlitz 13768f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 137719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 137819f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13798f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 138019f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 138119f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13828f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 138319f44401SOr Gerlitz 138419f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 138519f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 13868f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 138719f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 138819f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 13898f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 139019f44401SOr Gerlitz 139119f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 139219f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 13932e72eb43SOr Gerlitz } 1394bbd00f7eSHadar Hen Zion 13958f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 13968f256622SPablo Neira Ayuso struct flow_match_ip match; 1397bcef735cSOr Gerlitz 13988f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 13998f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 14008f256622SPablo Neira Ayuso match.mask->tos & 0x3); 14018f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 14028f256622SPablo Neira Ayuso match.key->tos & 0x3); 1403bcef735cSOr Gerlitz 14048f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 14058f256622SPablo Neira Ayuso match.mask->tos >> 2); 14068f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 14078f256622SPablo Neira Ayuso match.key->tos >> 2); 1408bcef735cSOr Gerlitz 14098f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 14108f256622SPablo Neira Ayuso match.mask->ttl); 14118f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 14128f256622SPablo Neira Ayuso match.key->ttl); 1413e98bedf5SEli Britstein 14148f256622SPablo Neira Ayuso if (match.mask->ttl && 1415e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1416e98bedf5SEli Britstein (priv->mdev, 1417e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1418e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1419e98bedf5SEli Britstein "Matching on TTL is not supported"); 1420e98bedf5SEli Britstein return -EOPNOTSUPP; 1421e98bedf5SEli Britstein } 1422e98bedf5SEli Britstein 1423bcef735cSOr Gerlitz } 1424bcef735cSOr Gerlitz 1425bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1426bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1427bbd00f7eSHadar Hen Zion */ 1428bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1429bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1430bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1431bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1432bbd00f7eSHadar Hen Zion 1433bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1434bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1435bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1436bbd00f7eSHadar Hen Zion 1437bbd00f7eSHadar Hen Zion return 0; 1438bbd00f7eSHadar Hen Zion } 1439bbd00f7eSHadar Hen Zion 1440de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1441de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1442de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 144354c177caSOz Shlomo struct net_device *filter_dev, 14446363651dSOr Gerlitz u8 *match_level, u8 *tunnel_match_level) 1445e3a2b7edSAmir Vadai { 1446e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1447c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1448c5bb1730SMaor Gottlieb outer_headers); 1449c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1450c5bb1730SMaor Gottlieb outer_headers); 1451699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1452699e96ddSJianbo Liu misc_parameters); 1453699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1454699e96ddSJianbo Liu misc_parameters); 14558f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 14568f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1457e3a2b7edSAmir Vadai u16 addr_type = 0; 1458e3a2b7edSAmir Vadai u8 ip_proto = 0; 1459e3a2b7edSAmir Vadai 1460d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1461de0af0bfSRoi Dayan 14628f256622SPablo Neira Ayuso if (dissector->used_keys & 1463e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1464e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1465e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1466095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1467699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1468e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1469e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1470bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1471bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1472bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1473bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1474bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1475e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1476fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1477bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 1478bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { 1479e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1480e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 14818f256622SPablo Neira Ayuso dissector->used_keys); 1482e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1483e3a2b7edSAmir Vadai } 1484e3a2b7edSAmir Vadai 14858f256622SPablo Neira Ayuso if ((flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 14868f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID) || 14878f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 14888f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 14898f256622SPablo Neira Ayuso struct flow_match_control match; 14908f256622SPablo Neira Ayuso 14918f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &match); 14928f256622SPablo Neira Ayuso switch (match.key->addr_type) { 1493bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 149419f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 14956363651dSOr Gerlitz if (parse_tunnel_attr(priv, spec, f, filter_dev, tunnel_match_level)) 1496bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1497bbd00f7eSHadar Hen Zion break; 1498bbd00f7eSHadar Hen Zion default: 1499bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1500bbd00f7eSHadar Hen Zion } 1501bbd00f7eSHadar Hen Zion 1502bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1503bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1504bbd00f7eSHadar Hen Zion */ 1505bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1506bbd00f7eSHadar Hen Zion inner_headers); 1507bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1508bbd00f7eSHadar Hen Zion inner_headers); 1509bbd00f7eSHadar Hen Zion } 1510bbd00f7eSHadar Hen Zion 15118f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 15128f256622SPablo Neira Ayuso struct flow_match_basic match; 1513e3a2b7edSAmir Vadai 15148f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 15158f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 15168f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 15178f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 15188f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 15198f256622SPablo Neira Ayuso 15208f256622SPablo Neira Ayuso if (match.mask->n_proto) 1521d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1522e3a2b7edSAmir Vadai } 1523e3a2b7edSAmir Vadai 15248f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) { 15258f256622SPablo Neira Ayuso struct flow_match_vlan match; 15268f256622SPablo Neira Ayuso 15278f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15288f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15298f256622SPablo Neira Ayuso match.mask->vlan_priority || 15308f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15318f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1532699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1533699e96ddSJianbo Liu svlan_tag, 1); 1534699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1535699e96ddSJianbo Liu svlan_tag, 1); 1536699e96ddSJianbo Liu } else { 1537699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1538699e96ddSJianbo Liu cvlan_tag, 1); 1539699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1540699e96ddSJianbo Liu cvlan_tag, 1); 1541699e96ddSJianbo Liu } 1542095b6cfdSOr Gerlitz 15438f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 15448f256622SPablo Neira Ayuso match.mask->vlan_id); 15458f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 15468f256622SPablo Neira Ayuso match.key->vlan_id); 1547358d79a4SOr Gerlitz 15488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 15498f256622SPablo Neira Ayuso match.mask->vlan_priority); 15508f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 15518f256622SPablo Neira Ayuso match.key->vlan_priority); 155254782900SOr Gerlitz 1553d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1554095b6cfdSOr Gerlitz } 1555d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1556cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1557cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1558d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1559095b6cfdSOr Gerlitz } 1560095b6cfdSOr Gerlitz 15618f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 15628f256622SPablo Neira Ayuso struct flow_match_vlan match; 15638f256622SPablo Neira Ayuso 15648f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15658f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15668f256622SPablo Neira Ayuso match.mask->vlan_priority || 15678f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15688f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1569699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1570699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1571699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1572699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1573699e96ddSJianbo Liu } else { 1574699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1575699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1576699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1577699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1578699e96ddSJianbo Liu } 1579699e96ddSJianbo Liu 1580699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 15818f256622SPablo Neira Ayuso match.mask->vlan_id); 1582699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 15838f256622SPablo Neira Ayuso match.key->vlan_id); 1584699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 15858f256622SPablo Neira Ayuso match.mask->vlan_priority); 1586699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 15878f256622SPablo Neira Ayuso match.key->vlan_priority); 1588699e96ddSJianbo Liu 1589699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1590699e96ddSJianbo Liu } 1591699e96ddSJianbo Liu } 1592699e96ddSJianbo Liu 15938f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 15948f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 159554782900SOr Gerlitz 15968f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1597d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1598d3a80bb5SOr Gerlitz dmac_47_16), 15998f256622SPablo Neira Ayuso match.mask->dst); 1600d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1601d3a80bb5SOr Gerlitz dmac_47_16), 16028f256622SPablo Neira Ayuso match.key->dst); 1603d3a80bb5SOr Gerlitz 1604d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1605d3a80bb5SOr Gerlitz smac_47_16), 16068f256622SPablo Neira Ayuso match.mask->src); 1607d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1608d3a80bb5SOr Gerlitz smac_47_16), 16098f256622SPablo Neira Ayuso match.key->src); 1610d3a80bb5SOr Gerlitz 16118f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 16128f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1613d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 161454782900SOr Gerlitz } 161554782900SOr Gerlitz 16168f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 16178f256622SPablo Neira Ayuso struct flow_match_control match; 161854782900SOr Gerlitz 16198f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 16208f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 162154782900SOr Gerlitz 162254782900SOr Gerlitz /* the HW doesn't support frag first/later */ 16238f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 162454782900SOr Gerlitz return -EOPNOTSUPP; 162554782900SOr Gerlitz 16268f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 162754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 162854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 16298f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 163054782900SOr Gerlitz 163154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 16328f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 163383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 163454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 163554782900SOr Gerlitz else 163683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 163754782900SOr Gerlitz } 163854782900SOr Gerlitz } 163954782900SOr Gerlitz 16408f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 16418f256622SPablo Neira Ayuso struct flow_match_basic match; 16428f256622SPablo Neira Ayuso 16438f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 16448f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 164554782900SOr Gerlitz 164654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 16478f256622SPablo Neira Ayuso match.mask->ip_proto); 164854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 16498f256622SPablo Neira Ayuso match.key->ip_proto); 165054782900SOr Gerlitz 16518f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1652d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 165354782900SOr Gerlitz } 165454782900SOr Gerlitz 1655e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 16568f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1657e3a2b7edSAmir Vadai 16588f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1659e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1660e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16618f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1662e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1663e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16648f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1665e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1666e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16678f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1668e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1669e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16708f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1671de0af0bfSRoi Dayan 16728f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1673d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1674e3a2b7edSAmir Vadai } 1675e3a2b7edSAmir Vadai 1676e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 16778f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1678e3a2b7edSAmir Vadai 16798f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1680e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1681e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 16828f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1683e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1684e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 16858f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1686e3a2b7edSAmir Vadai 1687e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1688e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16898f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1690e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1691e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16928f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1693de0af0bfSRoi Dayan 16948f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 16958f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 1696d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1697e3a2b7edSAmir Vadai } 1698e3a2b7edSAmir Vadai 16998f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 17008f256622SPablo Neira Ayuso struct flow_match_ip match; 17011f97a526SOr Gerlitz 17028f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 17038f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 17048f256622SPablo Neira Ayuso match.mask->tos & 0x3); 17058f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 17068f256622SPablo Neira Ayuso match.key->tos & 0x3); 17071f97a526SOr Gerlitz 17088f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 17098f256622SPablo Neira Ayuso match.mask->tos >> 2); 17108f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 17118f256622SPablo Neira Ayuso match.key->tos >> 2); 17121f97a526SOr Gerlitz 17138f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 17148f256622SPablo Neira Ayuso match.mask->ttl); 17158f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 17168f256622SPablo Neira Ayuso match.key->ttl); 17171f97a526SOr Gerlitz 17188f256622SPablo Neira Ayuso if (match.mask->ttl && 1719a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1720e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1721e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1722e98bedf5SEli Britstein "Matching on TTL is not supported"); 17231f97a526SOr Gerlitz return -EOPNOTSUPP; 1724e98bedf5SEli Britstein } 1725a8ade55fSOr Gerlitz 17268f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 1727d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 17281f97a526SOr Gerlitz } 17291f97a526SOr Gerlitz 173054782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 173154782900SOr Gerlitz 17328f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 17338f256622SPablo Neira Ayuso struct flow_match_ports match; 17348f256622SPablo Neira Ayuso 17358f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 1736e3a2b7edSAmir Vadai switch (ip_proto) { 1737e3a2b7edSAmir Vadai case IPPROTO_TCP: 1738e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17398f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 1740e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17418f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 1742e3a2b7edSAmir Vadai 1743e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17448f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 1745e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17468f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 1747e3a2b7edSAmir Vadai break; 1748e3a2b7edSAmir Vadai 1749e3a2b7edSAmir Vadai case IPPROTO_UDP: 1750e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17518f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 1752e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17538f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 1754e3a2b7edSAmir Vadai 1755e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17568f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 1757e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17588f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 1759e3a2b7edSAmir Vadai break; 1760e3a2b7edSAmir Vadai default: 1761e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1762e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1763e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1764e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1765e3a2b7edSAmir Vadai return -EINVAL; 1766e3a2b7edSAmir Vadai } 1767de0af0bfSRoi Dayan 17688f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1769d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1770e3a2b7edSAmir Vadai } 1771e3a2b7edSAmir Vadai 17728f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 17738f256622SPablo Neira Ayuso struct flow_match_tcp match; 1774e77834ecSOr Gerlitz 17758f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 1776e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 17778f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 1778e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 17798f256622SPablo Neira Ayuso ntohs(match.key->flags)); 1780e77834ecSOr Gerlitz 17818f256622SPablo Neira Ayuso if (match.mask->flags) 1782d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1783e77834ecSOr Gerlitz } 1784e77834ecSOr Gerlitz 1785e3a2b7edSAmir Vadai return 0; 1786e3a2b7edSAmir Vadai } 1787e3a2b7edSAmir Vadai 1788de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 178965ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1790de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 179154c177caSOz Shlomo struct tc_cls_flower_offload *f, 179254c177caSOz Shlomo struct net_device *filter_dev) 1793de0af0bfSRoi Dayan { 1794e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1795de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1796de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 17971d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 17986363651dSOr Gerlitz u8 match_level, tunnel_match_level = MLX5_MATCH_NONE; 17991d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1800de0af0bfSRoi Dayan int err; 1801de0af0bfSRoi Dayan 18026363651dSOr Gerlitz err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level, &tunnel_match_level); 1803de0af0bfSRoi Dayan 18041d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 18051d447a39SSaeed Mahameed rep = rpriv->rep; 1806b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 18071d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1808d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1809e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1810e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1811de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1812de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1813d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1814de0af0bfSRoi Dayan return -EOPNOTSUPP; 1815de0af0bfSRoi Dayan } 1816de0af0bfSRoi Dayan } 1817de0af0bfSRoi Dayan 18186363651dSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 181938aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 18206363651dSOr Gerlitz flow->esw_attr->tunnel_match_level = tunnel_match_level; 18216363651dSOr Gerlitz } else { 182238aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 18236363651dSOr Gerlitz } 182438aa51c1SOr Gerlitz 1825de0af0bfSRoi Dayan return err; 1826de0af0bfSRoi Dayan } 1827de0af0bfSRoi Dayan 1828d79b6df6SOr Gerlitz struct pedit_headers { 1829d79b6df6SOr Gerlitz struct ethhdr eth; 18300eb69bb9SEli Britstein struct vlan_hdr vlan; 1831d79b6df6SOr Gerlitz struct iphdr ip4; 1832d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1833d79b6df6SOr Gerlitz struct tcphdr tcp; 1834d79b6df6SOr Gerlitz struct udphdr udp; 1835d79b6df6SOr Gerlitz }; 1836d79b6df6SOr Gerlitz 1837c500c86bSPablo Neira Ayuso struct pedit_headers_action { 1838c500c86bSPablo Neira Ayuso struct pedit_headers vals; 1839c500c86bSPablo Neira Ayuso struct pedit_headers masks; 1840c500c86bSPablo Neira Ayuso u32 pedits; 1841c500c86bSPablo Neira Ayuso }; 1842c500c86bSPablo Neira Ayuso 1843d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 184473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 184573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 184673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 184773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 184873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1849d79b6df6SOr Gerlitz }; 1850d79b6df6SOr Gerlitz 1851d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1852d79b6df6SOr Gerlitz 1853d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1854c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 1855d79b6df6SOr Gerlitz { 1856d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1857d79b6df6SOr Gerlitz 1858c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 1859c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 1860d79b6df6SOr Gerlitz 1861d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1862d79b6df6SOr Gerlitz goto out_err; 1863d79b6df6SOr Gerlitz 1864d79b6df6SOr Gerlitz *curr_pmask |= mask; 1865d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1866d79b6df6SOr Gerlitz 1867d79b6df6SOr Gerlitz return 0; 1868d79b6df6SOr Gerlitz 1869d79b6df6SOr Gerlitz out_err: 1870d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1871d79b6df6SOr Gerlitz } 1872d79b6df6SOr Gerlitz 1873d79b6df6SOr Gerlitz struct mlx5_fields { 1874d79b6df6SOr Gerlitz u8 field; 1875d79b6df6SOr Gerlitz u8 size; 1876d79b6df6SOr Gerlitz u32 offset; 1877d79b6df6SOr Gerlitz }; 1878d79b6df6SOr Gerlitz 1879a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1880a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1881a8e4f0c4SOr Gerlitz 1882d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1883a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1884a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1885a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1886a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1887a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 18880eb69bb9SEli Britstein OFFLOAD(FIRST_VID, 2, vlan.h_vlan_TCI, 0), 1889d79b6df6SOr Gerlitz 1890a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1891a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1892a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1893d79b6df6SOr Gerlitz 1894a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1895a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1896a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1897a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1898a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1899a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1900a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1901a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 19020c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1903d79b6df6SOr Gerlitz 1904a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1905a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1906a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1907d79b6df6SOr Gerlitz 1908a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1909a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1910d79b6df6SOr Gerlitz }; 1911d79b6df6SOr Gerlitz 1912218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 1913218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 1914218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 1915d79b6df6SOr Gerlitz */ 1916c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 1917e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1918e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1919d79b6df6SOr Gerlitz { 1920d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 19212b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1922d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1923d79b6df6SOr Gerlitz struct mlx5_fields *f; 1924d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1925e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1926d79b6df6SOr Gerlitz unsigned long mask; 19272b64bebaSOr Gerlitz __be32 mask_be32; 19282b64bebaSOr Gerlitz __be16 mask_be16; 1929d79b6df6SOr Gerlitz void *action; 1930d79b6df6SOr Gerlitz 193173867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 193273867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 193373867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 193473867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 1935d79b6df6SOr Gerlitz 1936d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1937218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 1938218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 1939218d05ceSTonghao Zhang 1940218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 1941218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 1942d79b6df6SOr Gerlitz 1943d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1944d79b6df6SOr Gerlitz f = &fields[i]; 1945d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1946e3ca4e05SOr Gerlitz s_mask = 0; 1947e3ca4e05SOr Gerlitz a_mask = 0; 1948d79b6df6SOr Gerlitz 1949d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1950d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1951d79b6df6SOr Gerlitz 1952d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1953d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1954d79b6df6SOr Gerlitz 1955d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1956d79b6df6SOr Gerlitz continue; 1957d79b6df6SOr Gerlitz 1958d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1959e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1960e98bedf5SEli Britstein "can't set and add to the same HW field"); 1961d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1962d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1963d79b6df6SOr Gerlitz } 1964d79b6df6SOr Gerlitz 1965d79b6df6SOr Gerlitz if (nactions == max_actions) { 1966e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1967e98bedf5SEli Britstein "too many pedit actions, can't offload"); 1968d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1969d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1970d79b6df6SOr Gerlitz } 1971d79b6df6SOr Gerlitz 1972d79b6df6SOr Gerlitz if (s_mask) { 1973d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1974d79b6df6SOr Gerlitz mask = s_mask; 1975d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1976d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1977d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1978d79b6df6SOr Gerlitz } else { 1979d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1980d79b6df6SOr Gerlitz mask = a_mask; 1981d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1982d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1983d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1984d79b6df6SOr Gerlitz } 1985d79b6df6SOr Gerlitz 1986d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1987e3ca4e05SOr Gerlitz 19882b64bebaSOr Gerlitz if (field_bsize == 32) { 19892b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 19902b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 19912b64bebaSOr Gerlitz } else if (field_bsize == 16) { 19922b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 19932b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 19942b64bebaSOr Gerlitz } 19952b64bebaSOr Gerlitz 1996d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 19972b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1998d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 19992b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2000e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2001e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 20022b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2003d79b6df6SOr Gerlitz mask); 2004d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2005d79b6df6SOr Gerlitz } 2006d79b6df6SOr Gerlitz 2007d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2008d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2009d79b6df6SOr Gerlitz 2010d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 20112b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 2012d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 20132b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2014d79b6df6SOr Gerlitz } 2015d79b6df6SOr Gerlitz 2016d79b6df6SOr Gerlitz if (field_bsize == 32) 20172b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 2018d79b6df6SOr Gerlitz else if (field_bsize == 16) 20192b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 2020d79b6df6SOr Gerlitz else if (field_bsize == 8) 20212b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2022d79b6df6SOr Gerlitz 2023d79b6df6SOr Gerlitz action += action_size; 2024d79b6df6SOr Gerlitz nactions++; 2025d79b6df6SOr Gerlitz } 2026d79b6df6SOr Gerlitz 2027d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2028d79b6df6SOr Gerlitz return 0; 2029d79b6df6SOr Gerlitz } 2030d79b6df6SOr Gerlitz 2031d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2032c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2033c500c86bSPablo Neira Ayuso int namespace, 2034d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2035d79b6df6SOr Gerlitz { 2036d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2037d79b6df6SOr Gerlitz 2038c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2039c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2040d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2041d79b6df6SOr Gerlitz 2042d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 2043d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 2044d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 2045d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 2046d79b6df6SOr Gerlitz 2047d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2048d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2049d79b6df6SOr Gerlitz 2050d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2051d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2052d79b6df6SOr Gerlitz return -ENOMEM; 2053d79b6df6SOr Gerlitz 2054218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2055d79b6df6SOr Gerlitz return 0; 2056d79b6df6SOr Gerlitz } 2057d79b6df6SOr Gerlitz 2058d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2059d79b6df6SOr Gerlitz 2060d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 206173867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2062e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2063c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2064e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2065d79b6df6SOr Gerlitz { 206673867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 206773867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2068d79b6df6SOr Gerlitz u32 mask, val, offset; 206973867881SPablo Neira Ayuso u8 htype; 2070d79b6df6SOr Gerlitz 207173867881SPablo Neira Ayuso htype = act->mangle.htype; 2072d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2073d79b6df6SOr Gerlitz 207473867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 207573867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2076d79b6df6SOr Gerlitz goto out_err; 2077d79b6df6SOr Gerlitz } 2078d79b6df6SOr Gerlitz 207973867881SPablo Neira Ayuso mask = act->mangle.mask; 208073867881SPablo Neira Ayuso val = act->mangle.val; 208173867881SPablo Neira Ayuso offset = act->mangle.offset; 2082d79b6df6SOr Gerlitz 2083c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2084d79b6df6SOr Gerlitz if (err) 2085d79b6df6SOr Gerlitz goto out_err; 2086c500c86bSPablo Neira Ayuso 2087c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2088d79b6df6SOr Gerlitz 2089c500c86bSPablo Neira Ayuso return 0; 2090c500c86bSPablo Neira Ayuso out_err: 2091c500c86bSPablo Neira Ayuso return err; 2092c500c86bSPablo Neira Ayuso } 2093c500c86bSPablo Neira Ayuso 2094c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2095c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2096c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2097c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2098c500c86bSPablo Neira Ayuso { 2099c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2100c500c86bSPablo Neira Ayuso int err; 2101c500c86bSPablo Neira Ayuso u8 cmd; 2102c500c86bSPablo Neira Ayuso 2103218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2104c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2105d79b6df6SOr Gerlitz if (err) 2106d79b6df6SOr Gerlitz goto out_err; 2107218d05ceSTonghao Zhang } 2108d79b6df6SOr Gerlitz 2109c500c86bSPablo Neira Ayuso err = offload_pedit_fields(hdrs, parse_attr, extack); 2110d79b6df6SOr Gerlitz if (err < 0) 2111d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2112d79b6df6SOr Gerlitz 2113d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2114c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2115d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2116e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2117e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2118b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2119d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2120d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2121d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2122d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2123d79b6df6SOr Gerlitz } 2124d79b6df6SOr Gerlitz } 2125d79b6df6SOr Gerlitz 2126d79b6df6SOr Gerlitz return 0; 2127d79b6df6SOr Gerlitz 2128d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2129d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2130d79b6df6SOr Gerlitz out_err: 2131d79b6df6SOr Gerlitz return err; 2132d79b6df6SOr Gerlitz } 2133d79b6df6SOr Gerlitz 2134e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2135e98bedf5SEli Britstein u32 action, 2136e98bedf5SEli Britstein u32 update_flags, 2137e98bedf5SEli Britstein struct netlink_ext_ack *extack) 213826c02749SOr Gerlitz { 213926c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 214026c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 214126c02749SOr Gerlitz 214226c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 214326c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2144e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2145e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 214626c02749SOr Gerlitz netdev_warn(priv->netdev, 214726c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 214826c02749SOr Gerlitz return false; 214926c02749SOr Gerlitz } 215026c02749SOr Gerlitz 215126c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2152e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2153e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 215426c02749SOr Gerlitz netdev_warn(priv->netdev, 215526c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 215626c02749SOr Gerlitz update_flags); 215726c02749SOr Gerlitz return false; 215826c02749SOr Gerlitz } 215926c02749SOr Gerlitz 216026c02749SOr Gerlitz return true; 216126c02749SOr Gerlitz } 216226c02749SOr Gerlitz 2163bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 216473867881SPablo Neira Ayuso struct flow_action *flow_action, 21651651925dSGuy Shattah u32 actions, 2166e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2167bdd66ac0SOr Gerlitz { 216873867881SPablo Neira Ayuso const struct flow_action_entry *act; 2169bdd66ac0SOr Gerlitz bool modify_ip_header; 2170bdd66ac0SOr Gerlitz u8 htype, ip_proto; 2171bdd66ac0SOr Gerlitz void *headers_v; 2172bdd66ac0SOr Gerlitz u16 ethertype; 217373867881SPablo Neira Ayuso int i; 2174bdd66ac0SOr Gerlitz 21751651925dSGuy Shattah if (actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) 21761651925dSGuy Shattah headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 21771651925dSGuy Shattah else 2178bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 21791651925dSGuy Shattah 2180bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2181bdd66ac0SOr Gerlitz 2182bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2183bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2184bdd66ac0SOr Gerlitz goto out_ok; 2185bdd66ac0SOr Gerlitz 2186bdd66ac0SOr Gerlitz modify_ip_header = false; 218773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 218873867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 218973867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2190bdd66ac0SOr Gerlitz continue; 2191bdd66ac0SOr Gerlitz 219273867881SPablo Neira Ayuso htype = act->mangle.htype; 219373867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4 || 219473867881SPablo Neira Ayuso htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 2195bdd66ac0SOr Gerlitz modify_ip_header = true; 2196bdd66ac0SOr Gerlitz break; 2197bdd66ac0SOr Gerlitz } 2198bdd66ac0SOr Gerlitz } 2199bdd66ac0SOr Gerlitz 2200bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 22011ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 22021ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2203e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2204e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2205bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2206bdd66ac0SOr Gerlitz return false; 2207bdd66ac0SOr Gerlitz } 2208bdd66ac0SOr Gerlitz 2209bdd66ac0SOr Gerlitz out_ok: 2210bdd66ac0SOr Gerlitz return true; 2211bdd66ac0SOr Gerlitz } 2212bdd66ac0SOr Gerlitz 2213bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 221473867881SPablo Neira Ayuso struct flow_action *flow_action, 2215bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2216e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2217e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2218bdd66ac0SOr Gerlitz { 2219bdd66ac0SOr Gerlitz u32 actions; 2220bdd66ac0SOr Gerlitz 2221bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2222bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2223bdd66ac0SOr Gerlitz else 2224bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2225bdd66ac0SOr Gerlitz 22267e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 22277e29392eSRoi Dayan !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) 22287e29392eSRoi Dayan return false; 22297e29392eSRoi Dayan 2230bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 223173867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2232a655fe9fSDavid S. Miller flow_action, actions, 2233e98bedf5SEli Britstein extack); 2234bdd66ac0SOr Gerlitz 2235bdd66ac0SOr Gerlitz return true; 2236bdd66ac0SOr Gerlitz } 2237bdd66ac0SOr Gerlitz 22385c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 22395c65c564SOr Gerlitz { 22405c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2241816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 22425c65c564SOr Gerlitz 22435c65c564SOr Gerlitz fmdev = priv->mdev; 22445c65c564SOr Gerlitz pmdev = peer_priv->mdev; 22455c65c564SOr Gerlitz 224659c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 224759c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 22485c65c564SOr Gerlitz 2249816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 22505c65c564SOr Gerlitz } 22515c65c564SOr Gerlitz 2252bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2253bdc837eeSEli Britstein const struct flow_action_entry *act, 2254bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2255bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2256bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2257bdc837eeSEli Britstein { 2258bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2259bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2260bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2261bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2262bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2263bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2264bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2265bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2266bdc837eeSEli Britstein }; 2267bdc837eeSEli Britstein int err; 2268bdc837eeSEli Britstein 2269bdc837eeSEli Britstein if (act->vlan.prio) { 2270bdc837eeSEli Britstein NL_SET_ERR_MSG_MOD(extack, "Setting VLAN prio is not supported"); 2271bdc837eeSEli Britstein return -EOPNOTSUPP; 2272bdc837eeSEli Britstein } 2273bdc837eeSEli Britstein 2274bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2275bdc837eeSEli Britstein hdrs, NULL); 2276bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2277bdc837eeSEli Britstein 2278bdc837eeSEli Britstein return err; 2279bdc837eeSEli Britstein } 2280bdc837eeSEli Britstein 228173867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 228273867881SPablo Neira Ayuso struct flow_action *flow_action, 2283aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2284e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2285e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2286e3a2b7edSAmir Vadai { 2287aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 228873867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 228973867881SPablo Neira Ayuso const struct flow_action_entry *act; 22901cab1cd7SOr Gerlitz u32 action = 0; 2291244cd96aSCong Wang int err, i; 2292e3a2b7edSAmir Vadai 229373867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2294e3a2b7edSAmir Vadai return -EINVAL; 2295e3a2b7edSAmir Vadai 22963bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2297e3a2b7edSAmir Vadai 229873867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 229973867881SPablo Neira Ayuso switch (act->id) { 230073867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 23011cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2302aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2303aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 23041cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 230573867881SPablo Neira Ayuso break; 230673867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 230773867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 230873867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2309c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 23102f4fe4caSOr Gerlitz if (err) 23112f4fe4caSOr Gerlitz return err; 23122f4fe4caSOr Gerlitz 23131cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 23142f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 231573867881SPablo Neira Ayuso break; 2316bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2317bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2318bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2319bdc837eeSEli Britstein act, parse_attr, hdrs, 2320bdc837eeSEli Britstein &action, extack); 2321bdc837eeSEli Britstein if (err) 2322bdc837eeSEli Britstein return err; 2323bdc837eeSEli Britstein 2324bdc837eeSEli Britstein break; 232573867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 23261cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 232773867881SPablo Neira Ayuso act->csum_flags, 2328e98bedf5SEli Britstein extack)) 232973867881SPablo Neira Ayuso break; 233026c02749SOr Gerlitz 233126c02749SOr Gerlitz return -EOPNOTSUPP; 233273867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 233373867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 23345c65c564SOr Gerlitz 23355c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 23365c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 233798b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 23385c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 23391cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 23405c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 23415c65c564SOr Gerlitz } else { 2342e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2343e98bedf5SEli Britstein "device is not on same HW, can't offload"); 23445c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 23455c65c564SOr Gerlitz peer_dev->name); 23465c65c564SOr Gerlitz return -EINVAL; 23475c65c564SOr Gerlitz } 23485c65c564SOr Gerlitz } 234973867881SPablo Neira Ayuso break; 235073867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 235173867881SPablo Neira Ayuso u32 mark = act->mark; 2352e3a2b7edSAmir Vadai 2353e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2354e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2355e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2356e3a2b7edSAmir Vadai return -EINVAL; 2357e3a2b7edSAmir Vadai } 2358e3a2b7edSAmir Vadai 23593bc4b7bfSOr Gerlitz attr->flow_tag = mark; 23601cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2361e3a2b7edSAmir Vadai } 236273867881SPablo Neira Ayuso break; 236373867881SPablo Neira Ayuso default: 2364e3a2b7edSAmir Vadai return -EINVAL; 2365e3a2b7edSAmir Vadai } 236673867881SPablo Neira Ayuso } 2367e3a2b7edSAmir Vadai 2368c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2369c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2370c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 2371c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2372c500c86bSPablo Neira Ayuso if (err) 2373c500c86bSPablo Neira Ayuso return err; 2374c500c86bSPablo Neira Ayuso } 2375c500c86bSPablo Neira Ayuso 23761cab1cd7SOr Gerlitz attr->action = action; 237773867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2378bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2379bdd66ac0SOr Gerlitz 2380e3a2b7edSAmir Vadai return 0; 2381e3a2b7edSAmir Vadai } 2382e3a2b7edSAmir Vadai 238376f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 238476f7444dSOr Gerlitz struct ip_tunnel_key *b) 2385a54e20b4SHadar Hen Zion { 2386a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2387a54e20b4SHadar Hen Zion } 2388a54e20b4SHadar Hen Zion 238976f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2390a54e20b4SHadar Hen Zion { 239176f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2392a54e20b4SHadar Hen Zion } 2393a54e20b4SHadar Hen Zion 2394a54e20b4SHadar Hen Zion 2395b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2396b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2397b1d90e6bSRabie Loulou { 2398b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2399b1d90e6bSRabie Loulou 2400b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2401b1d90e6bSRabie Loulou 2402b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 240368931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 240468931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 240568931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2406b1d90e6bSRabie Loulou } 2407b1d90e6bSRabie Loulou 2408ce99f6b9SOr Gerlitz 240954c177caSOz Shlomo 2410a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2411e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2412733d4f36SRoi Dayan struct net_device *mirred_dev, 2413733d4f36SRoi Dayan int out_index, 24148c4dc42bSEli Britstein struct netlink_ext_ack *extack, 24150ad060eeSRoi Dayan struct net_device **encap_dev, 24160ad060eeSRoi Dayan bool *encap_valid) 241703a9d11eSOr Gerlitz { 2418a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 241945247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2420733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2421733d4f36SRoi Dayan struct ip_tunnel_info *tun_info; 2422733d4f36SRoi Dayan struct ip_tunnel_key *key; 2423c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2424733d4f36SRoi Dayan unsigned short family; 2425a54e20b4SHadar Hen Zion uintptr_t hash_key; 2426a54e20b4SHadar Hen Zion bool found = false; 242754c177caSOz Shlomo int err = 0; 2428a54e20b4SHadar Hen Zion 2429733d4f36SRoi Dayan parse_attr = attr->parse_attr; 2430733d4f36SRoi Dayan tun_info = &parse_attr->tun_info[out_index]; 2431733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 2432733d4f36SRoi Dayan key = &tun_info->key; 2433733d4f36SRoi Dayan 243476f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2435a54e20b4SHadar Hen Zion 2436a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2437a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 243876f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2439a54e20b4SHadar Hen Zion found = true; 2440a54e20b4SHadar Hen Zion break; 2441a54e20b4SHadar Hen Zion } 2442a54e20b4SHadar Hen Zion } 2443a54e20b4SHadar Hen Zion 2444b2812089SVlad Buslov /* must verify if encap is valid or not */ 244545247bf2SOr Gerlitz if (found) 244645247bf2SOr Gerlitz goto attach_flow; 2447a54e20b4SHadar Hen Zion 2448a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2449a54e20b4SHadar Hen Zion if (!e) 2450a54e20b4SHadar Hen Zion return -ENOMEM; 2451a54e20b4SHadar Hen Zion 245276f7444dSOr Gerlitz e->tun_info = *tun_info; 2453101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 245454c177caSOz Shlomo if (err) 245554c177caSOz Shlomo goto out_err; 245654c177caSOz Shlomo 2457a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2458a54e20b4SHadar Hen Zion 2459ce99f6b9SOr Gerlitz if (family == AF_INET) 2460101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2461ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2462101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2463ce99f6b9SOr Gerlitz 24640ad060eeSRoi Dayan if (err) 2465a54e20b4SHadar Hen Zion goto out_err; 2466a54e20b4SHadar Hen Zion 2467a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2468a54e20b4SHadar Hen Zion 246945247bf2SOr Gerlitz attach_flow: 24708c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 24718c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 247245247bf2SOr Gerlitz *encap_dev = e->out_dev; 24738c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 24748c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 24758c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 24760ad060eeSRoi Dayan *encap_valid = true; 24778c4dc42bSEli Britstein } else { 24780ad060eeSRoi Dayan *encap_valid = false; 24798c4dc42bSEli Britstein } 248045247bf2SOr Gerlitz 2481232c0013SHadar Hen Zion return err; 2482a54e20b4SHadar Hen Zion 2483a54e20b4SHadar Hen Zion out_err: 2484a54e20b4SHadar Hen Zion kfree(e); 2485a54e20b4SHadar Hen Zion return err; 2486a54e20b4SHadar Hen Zion } 2487a54e20b4SHadar Hen Zion 24881482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 248973867881SPablo Neira Ayuso const struct flow_action_entry *act, 24901482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 24911482bd3dSJianbo Liu u32 *action) 24921482bd3dSJianbo Liu { 2493cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2494cc495188SJianbo Liu 2495cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 24961482bd3dSJianbo Liu return -EOPNOTSUPP; 2497cc495188SJianbo Liu 249873867881SPablo Neira Ayuso switch (act->id) { 249973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 2500cc495188SJianbo Liu if (vlan_idx) { 2501cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2502cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2503cc495188SJianbo Liu return -EOPNOTSUPP; 2504cc495188SJianbo Liu 2505cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2506cc495188SJianbo Liu } else { 2507cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2508cc495188SJianbo Liu } 250973867881SPablo Neira Ayuso break; 251073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 251173867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 251273867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 251373867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 2514cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2515cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2516cc495188SJianbo Liu 2517cc495188SJianbo Liu if (vlan_idx) { 2518cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2519cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2520cc495188SJianbo Liu return -EOPNOTSUPP; 2521cc495188SJianbo Liu 2522cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2523cc495188SJianbo Liu } else { 2524cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 252573867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 252673867881SPablo Neira Ayuso act->vlan.prio)) 2527cc495188SJianbo Liu return -EOPNOTSUPP; 2528cc495188SJianbo Liu 2529cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 25301482bd3dSJianbo Liu } 253173867881SPablo Neira Ayuso break; 253273867881SPablo Neira Ayuso default: 2533bdc837eeSEli Britstein return -EINVAL; 25341482bd3dSJianbo Liu } 25351482bd3dSJianbo Liu 2536cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2537cc495188SJianbo Liu 25381482bd3dSJianbo Liu return 0; 25391482bd3dSJianbo Liu } 25401482bd3dSJianbo Liu 254173867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 254273867881SPablo Neira Ayuso struct flow_action *flow_action, 2543d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2544e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2545e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2546a54e20b4SHadar Hen Zion { 254773867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 2548bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2549ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 25501d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 255173867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 255273867881SPablo Neira Ayuso const struct flow_action_entry *act; 2553a54e20b4SHadar Hen Zion bool encap = false; 25541cab1cd7SOr Gerlitz u32 action = 0; 2555244cd96aSCong Wang int err, i; 255603a9d11eSOr Gerlitz 255773867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 255803a9d11eSOr Gerlitz return -EINVAL; 255903a9d11eSOr Gerlitz 25601d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 256110ff5359SShahar Klein attr->in_mdev = priv->mdev; 256203a9d11eSOr Gerlitz 256373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 256473867881SPablo Neira Ayuso switch (act->id) { 256573867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 25661cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 256703a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 256873867881SPablo Neira Ayuso break; 256973867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 257073867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 257173867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 2572c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2573d7e75a32SOr Gerlitz if (err) 2574d7e75a32SOr Gerlitz return err; 2575d7e75a32SOr Gerlitz 25761cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2577e85e02baSEli Britstein attr->split_count = attr->out_count; 257873867881SPablo Neira Ayuso break; 257973867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 25801cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 258173867881SPablo Neira Ayuso act->csum_flags, extack)) 258273867881SPablo Neira Ayuso break; 258326c02749SOr Gerlitz 258426c02749SOr Gerlitz return -EOPNOTSUPP; 258573867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 258673867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 258703a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2588592d3651SChris Mi struct net_device *out_dev; 258903a9d11eSOr Gerlitz 259073867881SPablo Neira Ayuso out_dev = act->dev; 2591ef381359SOz Shlomo if (!out_dev) { 2592ef381359SOz Shlomo /* out_dev is NULL when filters with 2593ef381359SOz Shlomo * non-existing mirred device are replayed to 2594ef381359SOz Shlomo * the driver. 2595ef381359SOz Shlomo */ 2596ef381359SOz Shlomo return -EINVAL; 2597ef381359SOz Shlomo } 259803a9d11eSOr Gerlitz 2599592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2600e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2601e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2602592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2603592d3651SChris Mi attr->out_count); 2604592d3651SChris Mi return -EOPNOTSUPP; 2605592d3651SChris Mi } 2606592d3651SChris Mi 2607f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2608f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 26096dcfa234SFlorian Fainelli if (netdev_port_same_parent_id(priv->netdev, 2610b1d90e6bSRabie Loulou out_dev) || 2611b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 26127ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 26137ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 26147ba58ba7SRabie Loulou struct net_device *uplink_upper = netdev_master_upper_dev_get(uplink_dev); 26157ba58ba7SRabie Loulou 26167ba58ba7SRabie Loulou if (uplink_upper && 26177ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 26187ba58ba7SRabie Loulou uplink_upper == out_dev) 26197ba58ba7SRabie Loulou out_dev = uplink_dev; 26207ba58ba7SRabie Loulou 2621a0646c88SEli Britstein if (!mlx5e_eswitch_rep(out_dev)) 2622a0646c88SEli Britstein return -EOPNOTSUPP; 2623a0646c88SEli Britstein 262403a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 26251d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2626df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 2627df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 2628df65a573SEli Britstein attr->out_count++; 2629a54e20b4SHadar Hen Zion } else if (encap) { 26308c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 26318c4dc42bSEli Britstein out_dev->ifindex; 26328c4dc42bSEli Britstein parse_attr->tun_info[attr->out_count] = *info; 26338c4dc42bSEli Britstein encap = false; 26343c37745eSOr Gerlitz attr->parse_attr = parse_attr; 2635f493f155SEli Britstein attr->dests[attr->out_count].flags |= 2636f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 26371cc26d74SEli Britstein attr->out_count++; 2638df65a573SEli Britstein /* attr->dests[].rep is resolved when we 2639df65a573SEli Britstein * handle encap 2640df65a573SEli Britstein */ 2641ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 2642ef381359SOz Shlomo /* All mlx5 devices are called to configure 2643ef381359SOz Shlomo * high level device filters. Therefore, the 2644ef381359SOz Shlomo * *attempt* to install a filter on invalid 2645ef381359SOz Shlomo * eswitch should not trigger an explicit error 2646ef381359SOz Shlomo */ 2647ef381359SOz Shlomo return -EINVAL; 2648a54e20b4SHadar Hen Zion } else { 2649e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2650e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2651a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2652a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2653a54e20b4SHadar Hen Zion return -EINVAL; 2654a54e20b4SHadar Hen Zion } 2655a54e20b4SHadar Hen Zion } 265673867881SPablo Neira Ayuso break; 265773867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 265873867881SPablo Neira Ayuso info = act->tunnel; 2659a54e20b4SHadar Hen Zion if (info) 2660a54e20b4SHadar Hen Zion encap = true; 2661a54e20b4SHadar Hen Zion else 2662a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 266303a9d11eSOr Gerlitz 266473867881SPablo Neira Ayuso break; 266573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 266673867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 266776b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 266876b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 266976b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 267076b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 267176b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 267276b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 267376b496b1SEli Britstein act, parse_attr, hdrs, 267476b496b1SEli Britstein &action, extack); 267576b496b1SEli Britstein } else { 267673867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 267776b496b1SEli Britstein } 26781482bd3dSJianbo Liu if (err) 26791482bd3dSJianbo Liu return err; 26801482bd3dSJianbo Liu 2681e85e02baSEli Britstein attr->split_count = attr->out_count; 268273867881SPablo Neira Ayuso break; 2683bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2684bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2685bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 2686bdc837eeSEli Britstein act, parse_attr, hdrs, 2687bdc837eeSEli Britstein &action, extack); 2688bdc837eeSEli Britstein if (err) 2689bdc837eeSEli Britstein return err; 2690bdc837eeSEli Britstein 2691bdc837eeSEli Britstein attr->split_count = attr->out_count; 2692bdc837eeSEli Britstein break; 269373867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 26941cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 269573867881SPablo Neira Ayuso break; 269673867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 269773867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 2698bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2699bf07aa73SPaul Blakey 2700bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2701bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2702bf07aa73SPaul Blakey return -EOPNOTSUPP; 2703bf07aa73SPaul Blakey } 2704bf07aa73SPaul Blakey if (dest_chain > max_chain) { 2705bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 2706bf07aa73SPaul Blakey return -EOPNOTSUPP; 2707bf07aa73SPaul Blakey } 2708e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2709bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 271073867881SPablo Neira Ayuso break; 2711bf07aa73SPaul Blakey } 271273867881SPablo Neira Ayuso default: 271303a9d11eSOr Gerlitz return -EINVAL; 271403a9d11eSOr Gerlitz } 271573867881SPablo Neira Ayuso } 2716bdd66ac0SOr Gerlitz 2717c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2718c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2719c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 2720c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2721c500c86bSPablo Neira Ayuso if (err) 2722c500c86bSPablo Neira Ayuso return err; 2723c500c86bSPablo Neira Ayuso } 2724c500c86bSPablo Neira Ayuso 27251cab1cd7SOr Gerlitz attr->action = action; 272673867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2727bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2728bdd66ac0SOr Gerlitz 2729e88afe75SOr Gerlitz if (attr->dest_chain) { 2730e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 2731e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 2732e88afe75SOr Gerlitz return -EOPNOTSUPP; 2733e88afe75SOr Gerlitz } 2734e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2735e88afe75SOr Gerlitz } 2736e88afe75SOr Gerlitz 2737e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 2738e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2739e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 2740592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 2741592d3651SChris Mi return -EOPNOTSUPP; 2742592d3651SChris Mi } 2743592d3651SChris Mi 274431c8eba5SOr Gerlitz return 0; 274503a9d11eSOr Gerlitz } 274603a9d11eSOr Gerlitz 27475dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 274860bd4af8SOr Gerlitz { 27495dbe906fSPaul Blakey u16 __flow_flags = 0; 275060bd4af8SOr Gerlitz 275160bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 275260bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 275360bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 275460bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 275560bd4af8SOr Gerlitz 2756d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) 2757d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2758d9ee0491SOr Gerlitz if (flags & MLX5E_TC_NIC_OFFLOAD) 2759d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_NIC; 2760d9ee0491SOr Gerlitz 276160bd4af8SOr Gerlitz *flow_flags = __flow_flags; 276260bd4af8SOr Gerlitz } 276360bd4af8SOr Gerlitz 276405866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 276505866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 276605866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 276705866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 276805866c82SOr Gerlitz .automatic_shrinking = true, 276905866c82SOr Gerlitz }; 277005866c82SOr Gerlitz 2771d9ee0491SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, int flags) 277205866c82SOr Gerlitz { 2773655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2774655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 2775655dc3d2SOr Gerlitz 2776d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) { 2777655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2778ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 2779d9ee0491SOr Gerlitz } else /* NIC offload */ 278005866c82SOr Gerlitz return &priv->fs.tc.ht; 278105866c82SOr Gerlitz } 278205866c82SOr Gerlitz 278304de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 278404de7ddaSRoi Dayan { 27851418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2786b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 27871418ddd9SAviv Heller flow->flags & MLX5E_TC_FLOW_INGRESS; 27881418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 27891418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 27901418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 27911418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 27921418ddd9SAviv Heller 279310fbb1cdSRoi Dayan if (!esw_paired) 279410fbb1cdSRoi Dayan return false; 279510fbb1cdSRoi Dayan 279610fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 279710fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 279810fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 279910fbb1cdSRoi Dayan return true; 280010fbb1cdSRoi Dayan 280110fbb1cdSRoi Dayan return false; 280204de7ddaSRoi Dayan } 280304de7ddaSRoi Dayan 2804a88780a9SRoi Dayan static int 2805a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 28065dbe906fSPaul Blakey struct tc_cls_flower_offload *f, u16 flow_flags, 2807a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 2808a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2809e3a2b7edSAmir Vadai { 281017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 28113bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 2812a88780a9SRoi Dayan int err; 2813776b12b6SOr Gerlitz 281465ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 28151b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 281617091853SOr Gerlitz if (!parse_attr || !flow) { 2817e3a2b7edSAmir Vadai err = -ENOMEM; 2818e3a2b7edSAmir Vadai goto err_free; 2819e3a2b7edSAmir Vadai } 2820e3a2b7edSAmir Vadai 2821e3a2b7edSAmir Vadai flow->cookie = f->cookie; 282265ba8fb7SOr Gerlitz flow->flags = flow_flags; 2823655dc3d2SOr Gerlitz flow->priv = priv; 2824e3a2b7edSAmir Vadai 2825a88780a9SRoi Dayan *__flow = flow; 2826a88780a9SRoi Dayan *__parse_attr = parse_attr; 2827a88780a9SRoi Dayan 2828a88780a9SRoi Dayan return 0; 2829a88780a9SRoi Dayan 2830a88780a9SRoi Dayan err_free: 2831a88780a9SRoi Dayan kfree(flow); 2832a88780a9SRoi Dayan kvfree(parse_attr); 2833a88780a9SRoi Dayan return err; 2834adb4c123SOr Gerlitz } 2835adb4c123SOr Gerlitz 2836988ab9c7STonghao Zhang static void 2837988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 2838988ab9c7STonghao Zhang struct mlx5e_priv *priv, 2839988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 2840988ab9c7STonghao Zhang struct tc_cls_flower_offload *f, 2841988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 2842988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 2843988ab9c7STonghao Zhang { 2844988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2845988ab9c7STonghao Zhang 2846988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 2847988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 2848988ab9c7STonghao Zhang esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 2849988ab9c7STonghao Zhang 2850988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 2851988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 2852988ab9c7STonghao Zhang 2853988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 2854988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 2855988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 2856988ab9c7STonghao Zhang else 2857988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 2858988ab9c7STonghao Zhang } 2859988ab9c7STonghao Zhang 286071129676SJason Gunthorpe static struct mlx5e_tc_flow * 286104de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 2862a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 28635dbe906fSPaul Blakey u16 flow_flags, 2864d11afc26SOz Shlomo struct net_device *filter_dev, 286504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 286671129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 2867a88780a9SRoi Dayan { 286873867881SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 2869a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2870a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2871a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2872a88780a9SRoi Dayan int attr_size, err; 2873a88780a9SRoi Dayan 2874a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2875a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 2876a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2877a88780a9SRoi Dayan &parse_attr, &flow); 2878a88780a9SRoi Dayan if (err) 2879a88780a9SRoi Dayan goto out; 2880988ab9c7STonghao Zhang 2881d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 2882988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 2883988ab9c7STonghao Zhang priv, parse_attr, 2884988ab9c7STonghao Zhang f, in_rep, in_mdev); 2885988ab9c7STonghao Zhang 288654c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 288754c177caSOz Shlomo f, filter_dev); 2888d11afc26SOz Shlomo if (err) 2889d11afc26SOz Shlomo goto err_free; 2890a88780a9SRoi Dayan 289173867881SPablo Neira Ayuso err = parse_tc_fdb_actions(priv, &rule->action, parse_attr, flow, extack); 2892a88780a9SRoi Dayan if (err) 2893a88780a9SRoi Dayan goto err_free; 2894a88780a9SRoi Dayan 28957040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 2896ef06c9eeSRoi Dayan if (err) { 2897ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 2898aa0cbbaeSOr Gerlitz goto err_free; 28995c40348cSOr Gerlitz 2900b4a23329SRoi Dayan add_unready_flow(flow); 2901ef06c9eeSRoi Dayan } 2902ef06c9eeSRoi Dayan 290371129676SJason Gunthorpe return flow; 2904e3a2b7edSAmir Vadai 2905e3a2b7edSAmir Vadai err_free: 2906232c0013SHadar Hen Zion kfree(flow); 2907a88780a9SRoi Dayan kvfree(parse_attr); 2908a88780a9SRoi Dayan out: 290971129676SJason Gunthorpe return ERR_PTR(err); 2910a88780a9SRoi Dayan } 2911a88780a9SRoi Dayan 291204de7ddaSRoi Dayan static int mlx5e_tc_add_fdb_peer_flow(struct tc_cls_flower_offload *f, 291395dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 291495dc1902SRoi Dayan u16 flow_flags) 291504de7ddaSRoi Dayan { 291604de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 291704de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 291804de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 291904de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 292004de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 292104de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 292204de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 292304de7ddaSRoi Dayan int err = 0; 292404de7ddaSRoi Dayan 292504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 292604de7ddaSRoi Dayan if (!peer_esw) 292704de7ddaSRoi Dayan return -ENODEV; 292804de7ddaSRoi Dayan 292904de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 293004de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 293104de7ddaSRoi Dayan 293204de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 293304de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 293404de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 293504de7ddaSRoi Dayan * peer mdev. 293604de7ddaSRoi Dayan */ 2937b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 293804de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 293904de7ddaSRoi Dayan else 294004de7ddaSRoi Dayan in_mdev = priv->mdev; 294104de7ddaSRoi Dayan 294204de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 294395dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 294404de7ddaSRoi Dayan parse_attr->filter_dev, 294571129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 294671129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 294771129676SJason Gunthorpe err = PTR_ERR(peer_flow); 294804de7ddaSRoi Dayan goto out; 294971129676SJason Gunthorpe } 295004de7ddaSRoi Dayan 295104de7ddaSRoi Dayan flow->peer_flow = peer_flow; 295204de7ddaSRoi Dayan flow->flags |= MLX5E_TC_FLOW_DUP; 295304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 295404de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 295504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 295604de7ddaSRoi Dayan 295704de7ddaSRoi Dayan out: 295804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 295904de7ddaSRoi Dayan return err; 296004de7ddaSRoi Dayan } 296104de7ddaSRoi Dayan 296204de7ddaSRoi Dayan static int 296304de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 296404de7ddaSRoi Dayan struct tc_cls_flower_offload *f, 296504de7ddaSRoi Dayan u16 flow_flags, 296604de7ddaSRoi Dayan struct net_device *filter_dev, 296704de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 296804de7ddaSRoi Dayan { 296904de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 297004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 297104de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 297204de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 297304de7ddaSRoi Dayan int err; 297404de7ddaSRoi Dayan 297571129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 297671129676SJason Gunthorpe in_mdev); 297771129676SJason Gunthorpe if (IS_ERR(flow)) 297871129676SJason Gunthorpe return PTR_ERR(flow); 297904de7ddaSRoi Dayan 298004de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 298195dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 298204de7ddaSRoi Dayan if (err) { 298304de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 298404de7ddaSRoi Dayan goto out; 298504de7ddaSRoi Dayan } 298604de7ddaSRoi Dayan } 298704de7ddaSRoi Dayan 298804de7ddaSRoi Dayan *__flow = flow; 298904de7ddaSRoi Dayan 299004de7ddaSRoi Dayan return 0; 299104de7ddaSRoi Dayan 299204de7ddaSRoi Dayan out: 299304de7ddaSRoi Dayan return err; 299404de7ddaSRoi Dayan } 299504de7ddaSRoi Dayan 2996a88780a9SRoi Dayan static int 2997a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 2998a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 29995dbe906fSPaul Blakey u16 flow_flags, 3000d11afc26SOz Shlomo struct net_device *filter_dev, 3001a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3002a88780a9SRoi Dayan { 300373867881SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 3004a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3005a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3006a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3007a88780a9SRoi Dayan int attr_size, err; 3008a88780a9SRoi Dayan 3009bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3010bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3011bf07aa73SPaul Blakey return -EOPNOTSUPP; 3012bf07aa73SPaul Blakey 3013a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 3014a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3015a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3016a88780a9SRoi Dayan &parse_attr, &flow); 3017a88780a9SRoi Dayan if (err) 3018a88780a9SRoi Dayan goto out; 3019a88780a9SRoi Dayan 3020d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 302154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 302254c177caSOz Shlomo f, filter_dev); 3023d11afc26SOz Shlomo if (err) 3024d11afc26SOz Shlomo goto err_free; 3025d11afc26SOz Shlomo 302673867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3027a88780a9SRoi Dayan if (err) 3028a88780a9SRoi Dayan goto err_free; 3029a88780a9SRoi Dayan 3030a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3031a88780a9SRoi Dayan if (err) 3032a88780a9SRoi Dayan goto err_free; 3033a88780a9SRoi Dayan 3034a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 3035a88780a9SRoi Dayan kvfree(parse_attr); 3036a88780a9SRoi Dayan *__flow = flow; 3037a88780a9SRoi Dayan 3038a88780a9SRoi Dayan return 0; 3039a88780a9SRoi Dayan 3040a88780a9SRoi Dayan err_free: 3041a88780a9SRoi Dayan kfree(flow); 3042a88780a9SRoi Dayan kvfree(parse_attr); 3043a88780a9SRoi Dayan out: 3044a88780a9SRoi Dayan return err; 3045a88780a9SRoi Dayan } 3046a88780a9SRoi Dayan 3047a88780a9SRoi Dayan static int 3048a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3049a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 3050a88780a9SRoi Dayan int flags, 3051d11afc26SOz Shlomo struct net_device *filter_dev, 3052a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3053a88780a9SRoi Dayan { 3054a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 30555dbe906fSPaul Blakey u16 flow_flags; 3056a88780a9SRoi Dayan int err; 3057a88780a9SRoi Dayan 3058a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3059a88780a9SRoi Dayan 3060bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3061bf07aa73SPaul Blakey return -EOPNOTSUPP; 3062bf07aa73SPaul Blakey 3063a88780a9SRoi Dayan if (esw && esw->mode == SRIOV_OFFLOADS) 3064d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3065d11afc26SOz Shlomo filter_dev, flow); 3066a88780a9SRoi Dayan else 3067d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3068d11afc26SOz Shlomo filter_dev, flow); 3069a88780a9SRoi Dayan 3070a88780a9SRoi Dayan return err; 3071a88780a9SRoi Dayan } 3072a88780a9SRoi Dayan 307371d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3074a88780a9SRoi Dayan struct tc_cls_flower_offload *f, int flags) 3075a88780a9SRoi Dayan { 3076a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3077d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3078a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3079a88780a9SRoi Dayan int err = 0; 3080a88780a9SRoi Dayan 3081a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3082a88780a9SRoi Dayan if (flow) { 3083a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3084a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3085a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3086a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3087a88780a9SRoi Dayan f->cookie); 3088a88780a9SRoi Dayan goto out; 3089a88780a9SRoi Dayan } 3090a88780a9SRoi Dayan 3091d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3092a88780a9SRoi Dayan if (err) 3093a88780a9SRoi Dayan goto out; 3094a88780a9SRoi Dayan 3095a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 3096a88780a9SRoi Dayan if (err) 3097a88780a9SRoi Dayan goto err_free; 3098a88780a9SRoi Dayan 3099a88780a9SRoi Dayan return 0; 3100a88780a9SRoi Dayan 3101a88780a9SRoi Dayan err_free: 3102a88780a9SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3103a88780a9SRoi Dayan kfree(flow); 3104a88780a9SRoi Dayan out: 3105e3a2b7edSAmir Vadai return err; 3106e3a2b7edSAmir Vadai } 3107e3a2b7edSAmir Vadai 31088f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 31098f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 31108f8ae895SOr Gerlitz 31118f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 31128f8ae895SOr Gerlitz { 31138f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 31148f8ae895SOr Gerlitz return true; 31158f8ae895SOr Gerlitz 31168f8ae895SOr Gerlitz return false; 31178f8ae895SOr Gerlitz } 31188f8ae895SOr Gerlitz 311971d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 312060bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3121e3a2b7edSAmir Vadai { 3122d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3123e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3124e3a2b7edSAmir Vadai 312505866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 31268f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3127e3a2b7edSAmir Vadai return -EINVAL; 3128e3a2b7edSAmir Vadai 312905866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3130e3a2b7edSAmir Vadai 3131961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3132e3a2b7edSAmir Vadai 3133e3a2b7edSAmir Vadai kfree(flow); 3134e3a2b7edSAmir Vadai 3135e3a2b7edSAmir Vadai return 0; 3136e3a2b7edSAmir Vadai } 3137e3a2b7edSAmir Vadai 313871d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 313960bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3140aad7e08dSAmir Vadai { 314104de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3142d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 314304de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3144aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3145aad7e08dSAmir Vadai struct mlx5_fc *counter; 3146316d5f72SRoi Dayan u64 lastuse = 0; 3147316d5f72SRoi Dayan u64 packets = 0; 3148316d5f72SRoi Dayan u64 bytes = 0; 3149aad7e08dSAmir Vadai 315005866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 31518f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3152aad7e08dSAmir Vadai return -EINVAL; 3153aad7e08dSAmir Vadai 3154316d5f72SRoi Dayan if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 3155b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3156aad7e08dSAmir Vadai if (!counter) 3157aad7e08dSAmir Vadai return 0; 3158aad7e08dSAmir Vadai 3159aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3160316d5f72SRoi Dayan } 3161aad7e08dSAmir Vadai 3162316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3163316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3164316d5f72SRoi Dayan */ 316504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 316604de7ddaSRoi Dayan if (!peer_esw) 316704de7ddaSRoi Dayan goto out; 316804de7ddaSRoi Dayan 316904de7ddaSRoi Dayan if ((flow->flags & MLX5E_TC_FLOW_DUP) && 317004de7ddaSRoi Dayan (flow->peer_flow->flags & MLX5E_TC_FLOW_OFFLOADED)) { 317104de7ddaSRoi Dayan u64 bytes2; 317204de7ddaSRoi Dayan u64 packets2; 317304de7ddaSRoi Dayan u64 lastuse2; 317404de7ddaSRoi Dayan 317504de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3176316d5f72SRoi Dayan if (!counter) 3177316d5f72SRoi Dayan goto no_peer_counter; 317804de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 317904de7ddaSRoi Dayan 318004de7ddaSRoi Dayan bytes += bytes2; 318104de7ddaSRoi Dayan packets += packets2; 318204de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 318304de7ddaSRoi Dayan } 318404de7ddaSRoi Dayan 3185316d5f72SRoi Dayan no_peer_counter: 318604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 318704de7ddaSRoi Dayan out: 31883b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 3189fed06ee8SOr Gerlitz 3190aad7e08dSAmir Vadai return 0; 3191aad7e08dSAmir Vadai } 3192aad7e08dSAmir Vadai 31934d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 31944d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 31954d8fcf21SAlaa Hleihel { 31964d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 31974d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 31984d8fcf21SAlaa Hleihel u16 peer_vhca_id; 31994d8fcf21SAlaa Hleihel int bkt; 32004d8fcf21SAlaa Hleihel 32014d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 32024d8fcf21SAlaa Hleihel return; 32034d8fcf21SAlaa Hleihel 32044d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 32054d8fcf21SAlaa Hleihel 32064d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 32074d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 32084d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 32094d8fcf21SAlaa Hleihel } 32104d8fcf21SAlaa Hleihel } 32114d8fcf21SAlaa Hleihel 32124d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 32134d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 32144d8fcf21SAlaa Hleihel { 32154d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 32164d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 32174d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 32184d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 32194d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 32204d8fcf21SAlaa Hleihel 32214d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 32224d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 32234d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 32244d8fcf21SAlaa Hleihel return NOTIFY_DONE; 32254d8fcf21SAlaa Hleihel 32264d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 32274d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 32284d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 32294d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 32304d8fcf21SAlaa Hleihel if (priv == peer_priv || 32314d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 32324d8fcf21SAlaa Hleihel return NOTIFY_DONE; 32334d8fcf21SAlaa Hleihel 32344d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 32354d8fcf21SAlaa Hleihel 32364d8fcf21SAlaa Hleihel return NOTIFY_DONE; 32374d8fcf21SAlaa Hleihel } 32384d8fcf21SAlaa Hleihel 3239655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3240e8f887acSAmir Vadai { 3241acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 32424d8fcf21SAlaa Hleihel int err; 3243e8f887acSAmir Vadai 324411c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 32455c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 324611c9c548SOr Gerlitz 32474d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 32484d8fcf21SAlaa Hleihel if (err) 32494d8fcf21SAlaa Hleihel return err; 32504d8fcf21SAlaa Hleihel 32514d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 32524d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 32534d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 32544d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 32554d8fcf21SAlaa Hleihel } 32564d8fcf21SAlaa Hleihel 32574d8fcf21SAlaa Hleihel return err; 3258e8f887acSAmir Vadai } 3259e8f887acSAmir Vadai 3260e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3261e8f887acSAmir Vadai { 3262e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3263655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3264e8f887acSAmir Vadai 3265961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3266e8f887acSAmir Vadai kfree(flow); 3267e8f887acSAmir Vadai } 3268e8f887acSAmir Vadai 3269655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3270e8f887acSAmir Vadai { 3271acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3272e8f887acSAmir Vadai 32734d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 32744d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 32754d8fcf21SAlaa Hleihel 3276d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 3277e8f887acSAmir Vadai 3278acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3279acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3280acff797cSMaor Gottlieb tc->t = NULL; 3281e8f887acSAmir Vadai } 3282e8f887acSAmir Vadai } 3283655dc3d2SOr Gerlitz 3284655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3285655dc3d2SOr Gerlitz { 3286655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3287655dc3d2SOr Gerlitz } 3288655dc3d2SOr Gerlitz 3289655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3290655dc3d2SOr Gerlitz { 3291655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3292655dc3d2SOr Gerlitz } 329301252a27SOr Gerlitz 3294d9ee0491SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv, int flags) 329501252a27SOr Gerlitz { 3296d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 329701252a27SOr Gerlitz 329801252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 329901252a27SOr Gerlitz } 330004de7ddaSRoi Dayan 330104de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 330204de7ddaSRoi Dayan { 330304de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 330404de7ddaSRoi Dayan 330504de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 330604de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 330704de7ddaSRoi Dayan } 3308b4a23329SRoi Dayan 3309b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 3310b4a23329SRoi Dayan { 3311b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 3312b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 3313b4a23329SRoi Dayan reoffload_flows_work); 3314b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 3315b4a23329SRoi Dayan 3316b4a23329SRoi Dayan rtnl_lock(); 3317b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 3318b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 3319b4a23329SRoi Dayan remove_unready_flow(flow); 3320b4a23329SRoi Dayan } 3321b4a23329SRoi Dayan rtnl_unlock(); 3322b4a23329SRoi Dayan } 3323