1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 343f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 35e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 36e3a2b7edSAmir Vadai #include <net/tc_act/tc_gact.h> 3712185a9fSAmir Vadai #include <net/tc_act/tc_skbedit.h> 38e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 39e8f887acSAmir Vadai #include <linux/mlx5/device.h> 40e8f887acSAmir Vadai #include <linux/rhashtable.h> 4103a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 42776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 43bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 44d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4526c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 46f6dfb4c3SHadar Hen Zion #include <net/arp.h> 473616d08bSDavid Ahern #include <net/ipv6_stubs.h> 48e8f887acSAmir Vadai #include "en.h" 491d447a39SSaeed Mahameed #include "en_rep.h" 50232c0013SHadar Hen Zion #include "en_tc.h" 5103a9d11eSOr Gerlitz #include "eswitch.h" 523f6d08d1SOr Gerlitz #include "fs_core.h" 532c81bfd5SHuy Nguyen #include "en/port.h" 54101f4de9SOz Shlomo #include "en/tc_tun.h" 5504de7ddaSRoi Dayan #include "lib/devcom.h" 56e8f887acSAmir Vadai 573bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 583bc4b7bfSOr Gerlitz u32 action; 593bc4b7bfSOr Gerlitz u32 flow_tag; 602f4fe4caSOr Gerlitz u32 mod_hdr_id; 615c65c564SOr Gerlitz u32 hairpin_tirn; 6238aa51c1SOr Gerlitz u8 match_level; 633f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 64b8aee822SMark Bloch struct mlx5_fc *counter; 653bc4b7bfSOr Gerlitz }; 663bc4b7bfSOr Gerlitz 6760bd4af8SOr Gerlitz #define MLX5E_TC_FLOW_BASE (MLX5E_TC_LAST_EXPORTED_BIT + 1) 6860bd4af8SOr Gerlitz 6965ba8fb7SOr Gerlitz enum { 7060bd4af8SOr Gerlitz MLX5E_TC_FLOW_INGRESS = MLX5E_TC_INGRESS, 7160bd4af8SOr Gerlitz MLX5E_TC_FLOW_EGRESS = MLX5E_TC_EGRESS, 72d9ee0491SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = MLX5E_TC_ESW_OFFLOAD, 73d9ee0491SOr Gerlitz MLX5E_TC_FLOW_NIC = MLX5E_TC_NIC_OFFLOAD, 74d9ee0491SOr Gerlitz MLX5E_TC_FLOW_OFFLOADED = BIT(MLX5E_TC_FLOW_BASE), 75d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(MLX5E_TC_FLOW_BASE + 1), 76d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(MLX5E_TC_FLOW_BASE + 2), 77d9ee0491SOr Gerlitz MLX5E_TC_FLOW_SLOW = BIT(MLX5E_TC_FLOW_BASE + 3), 78d9ee0491SOr Gerlitz MLX5E_TC_FLOW_DUP = BIT(MLX5E_TC_FLOW_BASE + 4), 79ef06c9eeSRoi Dayan MLX5E_TC_FLOW_NOT_READY = BIT(MLX5E_TC_FLOW_BASE + 5), 8065ba8fb7SOr Gerlitz }; 8165ba8fb7SOr Gerlitz 82e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 83e4ad91f2SChris Mi 8479baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 8579baaec7SEli Britstein * Containing struct 8679baaec7SEli Britstein * |- Helper array 8779baaec7SEli Britstein * [0] Helper item 0 8879baaec7SEli Britstein * |- list_head item 0 8979baaec7SEli Britstein * |- index (0) 9079baaec7SEli Britstein * [1] Helper item 1 9179baaec7SEli Britstein * |- list_head item 1 9279baaec7SEli Britstein * |- index (1) 9379baaec7SEli Britstein * To access the containing struct from one of the list_head items: 9479baaec7SEli Britstein * 1. Get the helper item from the list_head item using 9579baaec7SEli Britstein * helper item = 9679baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 9779baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 9879baaec7SEli Britstein * containing struct = 9979baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 10079baaec7SEli Britstein */ 10179baaec7SEli Britstein struct encap_flow_item { 10279baaec7SEli Britstein struct list_head list; 10379baaec7SEli Britstein int index; 10479baaec7SEli Britstein }; 10579baaec7SEli Britstein 106e8f887acSAmir Vadai struct mlx5e_tc_flow { 107e8f887acSAmir Vadai struct rhash_head node; 108655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 109e8f887acSAmir Vadai u64 cookie; 1105dbe906fSPaul Blakey u16 flags; 111e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11279baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 11379baaec7SEli Britstein * The number of encaps is bounded by the number of supported 11479baaec7SEli Britstein * destinations. 11579baaec7SEli Britstein */ 11679baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 11704de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 11811c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 1195c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 12004de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 121b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1223bc4b7bfSOr Gerlitz union { 123ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1243bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1253bc4b7bfSOr Gerlitz }; 126e8f887acSAmir Vadai }; 127e8f887acSAmir Vadai 12817091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 12998b66cb1SEli Britstein struct ip_tunnel_info tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 130d11afc26SOz Shlomo struct net_device *filter_dev; 13117091853SOr Gerlitz struct mlx5_flow_spec spec; 132d79b6df6SOr Gerlitz int num_mod_hdr_actions; 133218d05ceSTonghao Zhang int max_mod_hdr_actions; 134d79b6df6SOr Gerlitz void *mod_hdr_actions; 13598b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 13617091853SOr Gerlitz }; 13717091853SOr Gerlitz 138acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 139b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 140e8f887acSAmir Vadai 14177ab67b7SOr Gerlitz struct mlx5e_hairpin { 14277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 14377ab67b7SOr Gerlitz 14477ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1453f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 14677ab67b7SOr Gerlitz u32 tdn; 14777ab67b7SOr Gerlitz u32 tirn; 1483f6d08d1SOr Gerlitz 1493f6d08d1SOr Gerlitz int num_channels; 1503f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1513f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1523f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 15377ab67b7SOr Gerlitz }; 15477ab67b7SOr Gerlitz 1555c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1565c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1575c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1585c65c564SOr Gerlitz 1595c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1605c65c564SOr Gerlitz struct list_head flows; 1615c65c564SOr Gerlitz 162d8822868SOr Gerlitz u16 peer_vhca_id; 163106be53bSOr Gerlitz u8 prio; 1645c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1655c65c564SOr Gerlitz }; 1665c65c564SOr Gerlitz 16711c9c548SOr Gerlitz struct mod_hdr_key { 16811c9c548SOr Gerlitz int num_actions; 16911c9c548SOr Gerlitz void *actions; 17011c9c548SOr Gerlitz }; 17111c9c548SOr Gerlitz 17211c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 17311c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 17411c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 17511c9c548SOr Gerlitz 17611c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 17711c9c548SOr Gerlitz struct list_head flows; 17811c9c548SOr Gerlitz 17911c9c548SOr Gerlitz struct mod_hdr_key key; 18011c9c548SOr Gerlitz 18111c9c548SOr Gerlitz u32 mod_hdr_id; 18211c9c548SOr Gerlitz }; 18311c9c548SOr Gerlitz 18411c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 18511c9c548SOr Gerlitz 18611c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 18711c9c548SOr Gerlitz { 18811c9c548SOr Gerlitz return jhash(key->actions, 18911c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 19011c9c548SOr Gerlitz } 19111c9c548SOr Gerlitz 19211c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 19311c9c548SOr Gerlitz struct mod_hdr_key *b) 19411c9c548SOr Gerlitz { 19511c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 19611c9c548SOr Gerlitz return 1; 19711c9c548SOr Gerlitz 19811c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 19911c9c548SOr Gerlitz } 20011c9c548SOr Gerlitz 20111c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 20211c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 20311c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 20411c9c548SOr Gerlitz { 20511c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20611c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 20711c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 20811c9c548SOr Gerlitz struct mod_hdr_key key; 20911c9c548SOr Gerlitz bool found = false; 21011c9c548SOr Gerlitz u32 hash_key; 21111c9c548SOr Gerlitz 21211c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 21311c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 21411c9c548SOr Gerlitz 21511c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 21611c9c548SOr Gerlitz key.num_actions = num_actions; 21711c9c548SOr Gerlitz 21811c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 21911c9c548SOr Gerlitz 22011c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 22111c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 22211c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 22311c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 22411c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 22511c9c548SOr Gerlitz found = true; 22611c9c548SOr Gerlitz break; 22711c9c548SOr Gerlitz } 22811c9c548SOr Gerlitz } 22911c9c548SOr Gerlitz } else { 23011c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 23111c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 23211c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 23311c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 23411c9c548SOr Gerlitz found = true; 23511c9c548SOr Gerlitz break; 23611c9c548SOr Gerlitz } 23711c9c548SOr Gerlitz } 23811c9c548SOr Gerlitz } 23911c9c548SOr Gerlitz 24011c9c548SOr Gerlitz if (found) 24111c9c548SOr Gerlitz goto attach_flow; 24211c9c548SOr Gerlitz 24311c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 24411c9c548SOr Gerlitz if (!mh) 24511c9c548SOr Gerlitz return -ENOMEM; 24611c9c548SOr Gerlitz 24711c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 24811c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 24911c9c548SOr Gerlitz mh->key.num_actions = num_actions; 25011c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 25111c9c548SOr Gerlitz 25211c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 25311c9c548SOr Gerlitz mh->key.num_actions, 25411c9c548SOr Gerlitz mh->key.actions, 25511c9c548SOr Gerlitz &mh->mod_hdr_id); 25611c9c548SOr Gerlitz if (err) 25711c9c548SOr Gerlitz goto out_err; 25811c9c548SOr Gerlitz 25911c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 26011c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 26111c9c548SOr Gerlitz else 26211c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 26311c9c548SOr Gerlitz 26411c9c548SOr Gerlitz attach_flow: 26511c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 26611c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 26711c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 26811c9c548SOr Gerlitz else 26911c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 27011c9c548SOr Gerlitz 27111c9c548SOr Gerlitz return 0; 27211c9c548SOr Gerlitz 27311c9c548SOr Gerlitz out_err: 27411c9c548SOr Gerlitz kfree(mh); 27511c9c548SOr Gerlitz return err; 27611c9c548SOr Gerlitz } 27711c9c548SOr Gerlitz 27811c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 27911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 28011c9c548SOr Gerlitz { 28111c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 28211c9c548SOr Gerlitz 28311c9c548SOr Gerlitz list_del(&flow->mod_hdr); 28411c9c548SOr Gerlitz 28511c9c548SOr Gerlitz if (list_empty(next)) { 28611c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 28711c9c548SOr Gerlitz 28811c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 28911c9c548SOr Gerlitz 29011c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 29111c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 29211c9c548SOr Gerlitz kfree(mh); 29311c9c548SOr Gerlitz } 29411c9c548SOr Gerlitz } 29511c9c548SOr Gerlitz 29677ab67b7SOr Gerlitz static 29777ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 29877ab67b7SOr Gerlitz { 29977ab67b7SOr Gerlitz struct net_device *netdev; 30077ab67b7SOr Gerlitz struct mlx5e_priv *priv; 30177ab67b7SOr Gerlitz 30277ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 30377ab67b7SOr Gerlitz priv = netdev_priv(netdev); 30477ab67b7SOr Gerlitz return priv->mdev; 30577ab67b7SOr Gerlitz } 30677ab67b7SOr Gerlitz 30777ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 30877ab67b7SOr Gerlitz { 30977ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 31077ab67b7SOr Gerlitz void *tirc; 31177ab67b7SOr Gerlitz int err; 31277ab67b7SOr Gerlitz 31377ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 31477ab67b7SOr Gerlitz if (err) 31577ab67b7SOr Gerlitz goto alloc_tdn_err; 31677ab67b7SOr Gerlitz 31777ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 31877ab67b7SOr Gerlitz 31977ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 320ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 32177ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 32277ab67b7SOr Gerlitz 32377ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 32477ab67b7SOr Gerlitz if (err) 32577ab67b7SOr Gerlitz goto create_tir_err; 32677ab67b7SOr Gerlitz 32777ab67b7SOr Gerlitz return 0; 32877ab67b7SOr Gerlitz 32977ab67b7SOr Gerlitz create_tir_err: 33077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 33177ab67b7SOr Gerlitz alloc_tdn_err: 33277ab67b7SOr Gerlitz return err; 33377ab67b7SOr Gerlitz } 33477ab67b7SOr Gerlitz 33577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 33677ab67b7SOr Gerlitz { 33777ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 33877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 33977ab67b7SOr Gerlitz } 34077ab67b7SOr Gerlitz 3413f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3423f6d08d1SOr Gerlitz { 3433f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3443f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3453f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3463f6d08d1SOr Gerlitz 3473f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3483f6d08d1SOr Gerlitz hp->num_channels); 3493f6d08d1SOr Gerlitz 3503f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3513f6d08d1SOr Gerlitz ix = i; 352bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 3533f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3543f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3553f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3563f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3573f6d08d1SOr Gerlitz } 3583f6d08d1SOr Gerlitz } 3593f6d08d1SOr Gerlitz 3603f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3613f6d08d1SOr Gerlitz { 3623f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3633f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3643f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3653f6d08d1SOr Gerlitz void *rqtc; 3663f6d08d1SOr Gerlitz u32 *in; 3673f6d08d1SOr Gerlitz 3683f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3693f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3703f6d08d1SOr Gerlitz if (!in) 3713f6d08d1SOr Gerlitz return -ENOMEM; 3723f6d08d1SOr Gerlitz 3733f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3743f6d08d1SOr Gerlitz 3753f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3763f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3773f6d08d1SOr Gerlitz 3783f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3793f6d08d1SOr Gerlitz 3803f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3813f6d08d1SOr Gerlitz if (!err) 3823f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3833f6d08d1SOr Gerlitz 3843f6d08d1SOr Gerlitz kvfree(in); 3853f6d08d1SOr Gerlitz return err; 3863f6d08d1SOr Gerlitz } 3873f6d08d1SOr Gerlitz 3883f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3893f6d08d1SOr Gerlitz { 3903f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3913f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3923f6d08d1SOr Gerlitz int tt, i, err; 3933f6d08d1SOr Gerlitz void *tirc; 3943f6d08d1SOr Gerlitz 3953f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 396d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 397d930ac79SAya Levin 3983f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3993f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 4003f6d08d1SOr Gerlitz 4013f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 4023f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 4033f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 404bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 405bbeb53b8SAya Levin 4063f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 4073f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 4083f6d08d1SOr Gerlitz if (err) { 4093f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 4103f6d08d1SOr Gerlitz goto err_destroy_tirs; 4113f6d08d1SOr Gerlitz } 4123f6d08d1SOr Gerlitz } 4133f6d08d1SOr Gerlitz return 0; 4143f6d08d1SOr Gerlitz 4153f6d08d1SOr Gerlitz err_destroy_tirs: 4163f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 4173f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 4183f6d08d1SOr Gerlitz return err; 4193f6d08d1SOr Gerlitz } 4203f6d08d1SOr Gerlitz 4213f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 4223f6d08d1SOr Gerlitz { 4233f6d08d1SOr Gerlitz int tt; 4243f6d08d1SOr Gerlitz 4253f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4263f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 4273f6d08d1SOr Gerlitz } 4283f6d08d1SOr Gerlitz 4293f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 4303f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 4313f6d08d1SOr Gerlitz { 4323f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4333f6d08d1SOr Gerlitz int tt; 4343f6d08d1SOr Gerlitz 4353f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4363f6d08d1SOr Gerlitz 4373f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4383f6d08d1SOr Gerlitz 4393f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4403f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4413f6d08d1SOr Gerlitz 4423f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4433f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4443f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4453f6d08d1SOr Gerlitz } 4463f6d08d1SOr Gerlitz 4473f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4483f6d08d1SOr Gerlitz { 4493f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4503f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4513f6d08d1SOr Gerlitz int err; 4523f6d08d1SOr Gerlitz 4533f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4543f6d08d1SOr Gerlitz if (err) 4553f6d08d1SOr Gerlitz return err; 4563f6d08d1SOr Gerlitz 4573f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4583f6d08d1SOr Gerlitz if (err) 4593f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4603f6d08d1SOr Gerlitz 4613f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4623f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4633f6d08d1SOr Gerlitz if (err) 4643f6d08d1SOr Gerlitz goto err_create_ttc_table; 4653f6d08d1SOr Gerlitz 4663f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4673f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4683f6d08d1SOr Gerlitz 4693f6d08d1SOr Gerlitz return 0; 4703f6d08d1SOr Gerlitz 4713f6d08d1SOr Gerlitz err_create_ttc_table: 4723f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4733f6d08d1SOr Gerlitz err_create_indirect_tirs: 4743f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4753f6d08d1SOr Gerlitz 4763f6d08d1SOr Gerlitz return err; 4773f6d08d1SOr Gerlitz } 4783f6d08d1SOr Gerlitz 4793f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4803f6d08d1SOr Gerlitz { 4813f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4823f6d08d1SOr Gerlitz 4833f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4843f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4853f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4863f6d08d1SOr Gerlitz } 4873f6d08d1SOr Gerlitz 48877ab67b7SOr Gerlitz static struct mlx5e_hairpin * 48977ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 49077ab67b7SOr Gerlitz int peer_ifindex) 49177ab67b7SOr Gerlitz { 49277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 49377ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 49477ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 49577ab67b7SOr Gerlitz int err; 49677ab67b7SOr Gerlitz 49777ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 49877ab67b7SOr Gerlitz if (!hp) 49977ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 50077ab67b7SOr Gerlitz 50177ab67b7SOr Gerlitz func_mdev = priv->mdev; 50277ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 50377ab67b7SOr Gerlitz 50477ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 50577ab67b7SOr Gerlitz if (IS_ERR(pair)) { 50677ab67b7SOr Gerlitz err = PTR_ERR(pair); 50777ab67b7SOr Gerlitz goto create_pair_err; 50877ab67b7SOr Gerlitz } 50977ab67b7SOr Gerlitz hp->pair = pair; 51077ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 5113f6d08d1SOr Gerlitz hp->func_priv = priv; 5123f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 51377ab67b7SOr Gerlitz 51477ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 51577ab67b7SOr Gerlitz if (err) 51677ab67b7SOr Gerlitz goto create_transport_err; 51777ab67b7SOr Gerlitz 5183f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 5193f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 5203f6d08d1SOr Gerlitz if (err) 5213f6d08d1SOr Gerlitz goto rss_init_err; 5223f6d08d1SOr Gerlitz } 5233f6d08d1SOr Gerlitz 52477ab67b7SOr Gerlitz return hp; 52577ab67b7SOr Gerlitz 5263f6d08d1SOr Gerlitz rss_init_err: 5273f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 52877ab67b7SOr Gerlitz create_transport_err: 52977ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 53077ab67b7SOr Gerlitz create_pair_err: 53177ab67b7SOr Gerlitz kfree(hp); 53277ab67b7SOr Gerlitz return ERR_PTR(err); 53377ab67b7SOr Gerlitz } 53477ab67b7SOr Gerlitz 53577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 53677ab67b7SOr Gerlitz { 5373f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5383f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 53977ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 54077ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 54177ab67b7SOr Gerlitz kvfree(hp); 54277ab67b7SOr Gerlitz } 54377ab67b7SOr Gerlitz 544106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 545106be53bSOr Gerlitz { 546106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 547106be53bSOr Gerlitz } 548106be53bSOr Gerlitz 5495c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 550106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5515c65c564SOr Gerlitz { 5525c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 553106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5545c65c564SOr Gerlitz 5555c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 556106be53bSOr Gerlitz hairpin_hlist, hash_key) { 557106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5585c65c564SOr Gerlitz return hpe; 5595c65c564SOr Gerlitz } 5605c65c564SOr Gerlitz 5615c65c564SOr Gerlitz return NULL; 5625c65c564SOr Gerlitz } 5635c65c564SOr Gerlitz 564106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 565106be53bSOr Gerlitz 566106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 567e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 568e98bedf5SEli Britstein struct netlink_ext_ack *extack) 569106be53bSOr Gerlitz { 570106be53bSOr Gerlitz void *headers_c, *headers_v; 571106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 572106be53bSOr Gerlitz bool vlan_present; 573106be53bSOr Gerlitz 574106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 575106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 576e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 577e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 578106be53bSOr Gerlitz return -EOPNOTSUPP; 579106be53bSOr Gerlitz } 580106be53bSOr Gerlitz #endif 581106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 582106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 583106be53bSOr Gerlitz 584106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 585106be53bSOr Gerlitz if (vlan_present) { 586106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 587106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 588106be53bSOr Gerlitz } 589106be53bSOr Gerlitz 590106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 591106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 592106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 593e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 594e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 595106be53bSOr Gerlitz return -EOPNOTSUPP; 596106be53bSOr Gerlitz } 597106be53bSOr Gerlitz 598106be53bSOr Gerlitz *match_prio = prio_val; 599106be53bSOr Gerlitz return 0; 600106be53bSOr Gerlitz } 601106be53bSOr Gerlitz 6025c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 6035c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 604e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 605e98bedf5SEli Britstein struct netlink_ext_ack *extack) 6065c65c564SOr Gerlitz { 60798b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 6085c65c564SOr Gerlitz struct mlx5_hairpin_params params; 609d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 6105c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6115c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 6123f6d08d1SOr Gerlitz u64 link_speed64; 6133f6d08d1SOr Gerlitz u32 link_speed; 614106be53bSOr Gerlitz u8 match_prio; 615d8822868SOr Gerlitz u16 peer_id; 6165c65c564SOr Gerlitz int err; 6175c65c564SOr Gerlitz 618d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 619d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 620e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 6215c65c564SOr Gerlitz return -EOPNOTSUPP; 6225c65c564SOr Gerlitz } 6235c65c564SOr Gerlitz 624d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 625e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 626e98bedf5SEli Britstein extack); 627106be53bSOr Gerlitz if (err) 628106be53bSOr Gerlitz return err; 629106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 6305c65c564SOr Gerlitz if (hpe) 6315c65c564SOr Gerlitz goto attach_flow; 6325c65c564SOr Gerlitz 6335c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6345c65c564SOr Gerlitz if (!hpe) 6355c65c564SOr Gerlitz return -ENOMEM; 6365c65c564SOr Gerlitz 6375c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 638d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 639106be53bSOr Gerlitz hpe->prio = match_prio; 6405c65c564SOr Gerlitz 6415c65c564SOr Gerlitz params.log_data_size = 15; 6425c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6435c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6445c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6455c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6465c65c564SOr Gerlitz 647eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 648eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 649eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 650eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 651eb9180f7SOr Gerlitz 652eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6533f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6542c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6553f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6563f6d08d1SOr Gerlitz link_speed64 = link_speed; 6573f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6583f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6593f6d08d1SOr Gerlitz 6605c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6615c65c564SOr Gerlitz if (IS_ERR(hp)) { 6625c65c564SOr Gerlitz err = PTR_ERR(hp); 6635c65c564SOr Gerlitz goto create_hairpin_err; 6645c65c564SOr Gerlitz } 6655c65c564SOr Gerlitz 666eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 667ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 668eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6695c65c564SOr Gerlitz 6705c65c564SOr Gerlitz hpe->hp = hp; 671106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 672106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6735c65c564SOr Gerlitz 6745c65c564SOr Gerlitz attach_flow: 6753f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6763f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6773f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6783f6d08d1SOr Gerlitz } else { 6795c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6803f6d08d1SOr Gerlitz } 6815c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6823f6d08d1SOr Gerlitz 6835c65c564SOr Gerlitz return 0; 6845c65c564SOr Gerlitz 6855c65c564SOr Gerlitz create_hairpin_err: 6865c65c564SOr Gerlitz kfree(hpe); 6875c65c564SOr Gerlitz return err; 6885c65c564SOr Gerlitz } 6895c65c564SOr Gerlitz 6905c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6915c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6925c65c564SOr Gerlitz { 6935c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6945c65c564SOr Gerlitz 6955c65c564SOr Gerlitz list_del(&flow->hairpin); 6965c65c564SOr Gerlitz 6975c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6985c65c564SOr Gerlitz if (list_empty(next)) { 6995c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7005c65c564SOr Gerlitz 7015c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 7025c65c564SOr Gerlitz 7035c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 7045c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 7055c65c564SOr Gerlitz 7065c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 7075c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 7085c65c564SOr Gerlitz kfree(hpe); 7095c65c564SOr Gerlitz } 7105c65c564SOr Gerlitz } 7115c65c564SOr Gerlitz 712c83954abSRabie Loulou static int 71374491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 71417091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 715e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 716e98bedf5SEli Britstein struct netlink_ext_ack *extack) 717e8f887acSAmir Vadai { 718aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 719aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 7205c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 72166958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 7223bc4b7bfSOr Gerlitz .action = attr->action, 7233bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 72460786f09SMark Bloch .reformat_id = 0, 72542f7ad67SPaul Blakey .flags = FLOW_ACT_HAS_TAG | FLOW_ACT_NO_APPEND, 72666958ed9SHadar Hen Zion }; 727aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 728e8f887acSAmir Vadai bool table_created = false; 7295c65c564SOr Gerlitz int err, dest_ix = 0; 730e8f887acSAmir Vadai 7315c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 732e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7335c65c564SOr Gerlitz if (err) { 7345c65c564SOr Gerlitz goto err_add_hairpin_flow; 7355c65c564SOr Gerlitz } 7363f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7373f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7383f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7393f6d08d1SOr Gerlitz } else { 7405c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7415c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7423f6d08d1SOr Gerlitz } 7433f6d08d1SOr Gerlitz dest_ix++; 7443f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7455c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7465c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7475c65c564SOr Gerlitz dest_ix++; 7485c65c564SOr Gerlitz } 749aad7e08dSAmir Vadai 7505c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7515c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7525c65c564SOr Gerlitz if (IS_ERR(counter)) { 753c83954abSRabie Loulou err = PTR_ERR(counter); 7545c65c564SOr Gerlitz goto err_fc_create; 7555c65c564SOr Gerlitz } 7565c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 757171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 7585c65c564SOr Gerlitz dest_ix++; 759b8aee822SMark Bloch attr->counter = counter; 760aad7e08dSAmir Vadai } 761aad7e08dSAmir Vadai 7622f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7633099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 764d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7652f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 766c83954abSRabie Loulou if (err) 7672f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7682f4fe4caSOr Gerlitz } 7692f4fe4caSOr Gerlitz 770acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 77121b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 77221b9c144SOr Gerlitz u32 max_flow_counter; 77321b9c144SOr Gerlitz 77421b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 77521b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 77621b9c144SOr Gerlitz 77721b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 77821b9c144SOr Gerlitz 77921b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 78021b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 78121b9c144SOr Gerlitz 782acff797cSMaor Gottlieb priv->fs.tc.t = 783acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 784acff797cSMaor Gottlieb MLX5E_TC_PRIO, 78521b9c144SOr Gerlitz tc_tbl_size, 786acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7873f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 788acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 789e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 790e98bedf5SEli Britstein "Failed to create tc offload table\n"); 791e8f887acSAmir Vadai netdev_err(priv->netdev, 792e8f887acSAmir Vadai "Failed to create tc offload table\n"); 793c83954abSRabie Loulou err = PTR_ERR(priv->fs.tc.t); 794aad7e08dSAmir Vadai goto err_create_ft; 795e8f887acSAmir Vadai } 796e8f887acSAmir Vadai 797e8f887acSAmir Vadai table_created = true; 798e8f887acSAmir Vadai } 799e8f887acSAmir Vadai 80038aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 80117091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 80238aa51c1SOr Gerlitz 803c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 8045c65c564SOr Gerlitz &flow_act, dest, dest_ix); 805e8f887acSAmir Vadai 806c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 807c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 808aad7e08dSAmir Vadai goto err_add_rule; 809c83954abSRabie Loulou } 810aad7e08dSAmir Vadai 811c83954abSRabie Loulou return 0; 812aad7e08dSAmir Vadai 813aad7e08dSAmir Vadai err_add_rule: 814aad7e08dSAmir Vadai if (table_created) { 815acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 816acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 817e8f887acSAmir Vadai } 818aad7e08dSAmir Vadai err_create_ft: 8192f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8203099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8212f4fe4caSOr Gerlitz err_create_mod_hdr_id: 822aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 8235c65c564SOr Gerlitz err_fc_create: 8245c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8255c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 8265c65c564SOr Gerlitz err_add_hairpin_flow: 827c83954abSRabie Loulou return err; 828e8f887acSAmir Vadai } 829e8f887acSAmir Vadai 830d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 831d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 832d85cdccbSOr Gerlitz { 833513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 834d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 835d85cdccbSOr Gerlitz 836b8aee822SMark Bloch counter = attr->counter; 837e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 838d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 839d85cdccbSOr Gerlitz 840d9ee0491SOr Gerlitz if (!mlx5e_tc_num_filters(priv, MLX5E_TC_NIC_OFFLOAD) && priv->fs.tc.t) { 841d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 842d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 843d85cdccbSOr Gerlitz } 8442f4fe4caSOr Gerlitz 845513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8463099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8475c65c564SOr Gerlitz 8485c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8495c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 850d85cdccbSOr Gerlitz } 851d85cdccbSOr Gerlitz 852aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 8538c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 854aa0cbbaeSOr Gerlitz 8553c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 856e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 857733d4f36SRoi Dayan struct net_device *mirred_dev, 858733d4f36SRoi Dayan int out_index, 8598c4dc42bSEli Britstein struct netlink_ext_ack *extack, 8600ad060eeSRoi Dayan struct net_device **encap_dev, 8610ad060eeSRoi Dayan bool *encap_valid); 8623c37745eSOr Gerlitz 8636d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 8646d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 8656d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8666d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 8676d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8686d2a3ed0SOr Gerlitz { 8696d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 8706d2a3ed0SOr Gerlitz 8716d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 8726d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 8736d2a3ed0SOr Gerlitz return rule; 8746d2a3ed0SOr Gerlitz 875e85e02baSEli Britstein if (attr->split_count) { 8766d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 8776d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 8786d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 8796d2a3ed0SOr Gerlitz return flow->rule[1]; 8806d2a3ed0SOr Gerlitz } 8816d2a3ed0SOr Gerlitz } 8826d2a3ed0SOr Gerlitz 8836d2a3ed0SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 8846d2a3ed0SOr Gerlitz return rule; 8856d2a3ed0SOr Gerlitz } 8866d2a3ed0SOr Gerlitz 8876d2a3ed0SOr Gerlitz static void 8886d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 8896d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8906d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8916d2a3ed0SOr Gerlitz { 8926d2a3ed0SOr Gerlitz flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 8936d2a3ed0SOr Gerlitz 894e85e02baSEli Britstein if (attr->split_count) 8956d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 8966d2a3ed0SOr Gerlitz 8976d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 8986d2a3ed0SOr Gerlitz } 8996d2a3ed0SOr Gerlitz 9005dbe906fSPaul Blakey static struct mlx5_flow_handle * 9015dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 9025dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9035dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 9045dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9055dbe906fSPaul Blakey { 9065dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 9075dbe906fSPaul Blakey 9085dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 909154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9102be09de7SDavid S. Miller slow_attr->split_count = 0; 911154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9125dbe906fSPaul Blakey 9135dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 9145dbe906fSPaul Blakey if (!IS_ERR(rule)) 9155dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_SLOW; 9165dbe906fSPaul Blakey 9175dbe906fSPaul Blakey return rule; 9185dbe906fSPaul Blakey } 9195dbe906fSPaul Blakey 9205dbe906fSPaul Blakey static void 9215dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 9225dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9235dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9245dbe906fSPaul Blakey { 9255dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 926154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9272be09de7SDavid S. Miller slow_attr->split_count = 0; 928154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9295dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 9305dbe906fSPaul Blakey flow->flags &= ~MLX5E_TC_FLOW_SLOW; 9315dbe906fSPaul Blakey } 9325dbe906fSPaul Blakey 933b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 934b4a23329SRoi Dayan { 935b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 936b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 937b4a23329SRoi Dayan struct mlx5_eswitch *esw; 938b4a23329SRoi Dayan 939b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 940b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 941b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 942b4a23329SRoi Dayan 943b4a23329SRoi Dayan flow->flags |= MLX5E_TC_FLOW_NOT_READY; 944b4a23329SRoi Dayan list_add_tail(&flow->unready, &uplink_priv->unready_flows); 945b4a23329SRoi Dayan } 946b4a23329SRoi Dayan 947b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 948b4a23329SRoi Dayan { 949b4a23329SRoi Dayan list_del(&flow->unready); 950b4a23329SRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_NOT_READY; 951b4a23329SRoi Dayan } 952b4a23329SRoi Dayan 953c83954abSRabie Loulou static int 95474491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 955e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 956e98bedf5SEli Britstein struct netlink_ext_ack *extack) 957adb4c123SOr Gerlitz { 958adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 959bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 960aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 9617040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 962bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 9633c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 964b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 9653c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 9663c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 9670ad060eeSRoi Dayan bool encap_valid = true; 9680ad060eeSRoi Dayan int err = 0; 969f493f155SEli Britstein int out_index; 9708b32580dSOr Gerlitz 971d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 972d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 973d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 974d14f6f2aSOr Gerlitz } 975e52c2802SPaul Blakey 976bf07aa73SPaul Blakey if (attr->chain > max_chain) { 977bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 978bf07aa73SPaul Blakey err = -EOPNOTSUPP; 979bf07aa73SPaul Blakey goto err_max_prio_chain; 980bf07aa73SPaul Blakey } 981bf07aa73SPaul Blakey 982bf07aa73SPaul Blakey if (attr->prio > max_prio) { 983bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 984bf07aa73SPaul Blakey err = -EOPNOTSUPP; 985bf07aa73SPaul Blakey goto err_max_prio_chain; 986bf07aa73SPaul Blakey } 987bf07aa73SPaul Blakey 988f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 9898c4dc42bSEli Britstein int mirred_ifindex; 9908c4dc42bSEli Britstein 991f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 992f493f155SEli Britstein continue; 993f493f155SEli Britstein 9947040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 9953c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 9968c4dc42bSEli Britstein mirred_ifindex); 997733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 9980ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 9990ad060eeSRoi Dayan if (err) 10003c37745eSOr Gerlitz goto err_attach_encap; 10010ad060eeSRoi Dayan 10023c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 10033c37745eSOr Gerlitz rpriv = out_priv->ppriv; 10041cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 10051cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 10063c37745eSOr Gerlitz } 10073c37745eSOr Gerlitz 10088b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1009c83954abSRabie Loulou if (err) 1010aa0cbbaeSOr Gerlitz goto err_add_vlan; 1011adb4c123SOr Gerlitz 1012d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 10131a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1014d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1015c83954abSRabie Loulou if (err) 1016d7e75a32SOr Gerlitz goto err_mod_hdr; 1017d7e75a32SOr Gerlitz } 1018d7e75a32SOr Gerlitz 1019b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1020f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 1021b8aee822SMark Bloch if (IS_ERR(counter)) { 1022c83954abSRabie Loulou err = PTR_ERR(counter); 1023b8aee822SMark Bloch goto err_create_counter; 1024b8aee822SMark Bloch } 1025b8aee822SMark Bloch 1026b8aee822SMark Bloch attr->counter = counter; 1027b8aee822SMark Bloch } 1028b8aee822SMark Bloch 10290ad060eeSRoi Dayan /* we get here if one of the following takes place: 10300ad060eeSRoi Dayan * (1) there's no error 10310ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 10323c37745eSOr Gerlitz */ 10330ad060eeSRoi Dayan if (!encap_valid) { 10345dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 10355dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 10365dbe906fSPaul Blakey 10375dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 10385dbe906fSPaul Blakey } else { 10396d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 10405dbe906fSPaul Blakey } 10415dbe906fSPaul Blakey 1042c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 1043c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 1044aa0cbbaeSOr Gerlitz goto err_add_rule; 1045c83954abSRabie Loulou } 1046c83954abSRabie Loulou 10475dbe906fSPaul Blakey return 0; 1048aa0cbbaeSOr Gerlitz 1049aa0cbbaeSOr Gerlitz err_add_rule: 1050f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, counter); 1051b8aee822SMark Bloch err_create_counter: 1052513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10531a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1054d7e75a32SOr Gerlitz err_mod_hdr: 1055aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1056aa0cbbaeSOr Gerlitz err_add_vlan: 1057f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10588c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10598c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 10603c37745eSOr Gerlitz err_attach_encap: 1061bf07aa73SPaul Blakey err_max_prio_chain: 1062c83954abSRabie Loulou return err; 1063aa0cbbaeSOr Gerlitz } 1064d85cdccbSOr Gerlitz 1065d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1066d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1067d85cdccbSOr Gerlitz { 1068d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1069d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10705dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1071f493f155SEli Britstein int out_index; 1072d85cdccbSOr Gerlitz 1073ef06c9eeSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_NOT_READY) { 1074b4a23329SRoi Dayan remove_unready_flow(flow); 1075ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1076ef06c9eeSRoi Dayan return; 1077ef06c9eeSRoi Dayan } 1078ef06c9eeSRoi Dayan 10795dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 10805dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_SLOW) 10815dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10825dbe906fSPaul Blakey else 10835dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 10845dbe906fSPaul Blakey } 1085d85cdccbSOr Gerlitz 1086513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1087d85cdccbSOr Gerlitz 1088f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10898c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10908c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1091f493f155SEli Britstein kvfree(attr->parse_attr); 1092d7e75a32SOr Gerlitz 1093513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10941a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1095b8aee822SMark Bloch 1096b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1097f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1098d85cdccbSOr Gerlitz } 1099d85cdccbSOr Gerlitz 1100232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1101232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1102232c0013SHadar Hen Zion { 11033c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11045dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 11056d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11066d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 110779baaec7SEli Britstein struct encap_flow_item *efi; 1108232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1109232c0013SHadar Hen Zion int err; 1110232c0013SHadar Hen Zion 111154c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 111254c177caSOz Shlomo e->reformat_type, 1113232c0013SHadar Hen Zion e->encap_size, e->encap_header, 111431ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1115232c0013SHadar Hen Zion &e->encap_id); 1116232c0013SHadar Hen Zion if (err) { 1117232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1118232c0013SHadar Hen Zion err); 1119232c0013SHadar Hen Zion return; 1120232c0013SHadar Hen Zion } 1121232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1122f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1123232c0013SHadar Hen Zion 112479baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 11258c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 11268c4dc42bSEli Britstein int i; 11278c4dc42bSEli Britstein 112879baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11293c37745eSOr Gerlitz esw_attr = flow->esw_attr; 11306d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 11316d2a3ed0SOr Gerlitz 11328c4dc42bSEli Britstein esw_attr->dests[efi->index].encap_id = e->encap_id; 11338c4dc42bSEli Britstein esw_attr->dests[efi->index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 11348c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 11358c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 11368c4dc42bSEli Britstein * a valid neighbour. 11378c4dc42bSEli Britstein */ 11388c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 11398c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 11408c4dc42bSEli Britstein continue; 11418c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 11428c4dc42bSEli Britstein all_flow_encaps_valid = false; 11438c4dc42bSEli Britstein break; 11448c4dc42bSEli Britstein } 11458c4dc42bSEli Britstein } 11468c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 11478c4dc42bSEli Britstein if (!all_flow_encaps_valid) 11488c4dc42bSEli Britstein continue; 11495dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 11506d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 11516d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 11526d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1153232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1154232c0013SHadar Hen Zion err); 1155232c0013SHadar Hen Zion continue; 1156232c0013SHadar Hen Zion } 11575dbe906fSPaul Blakey 11585dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 11595dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when slow path rule removed */ 11606d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1161232c0013SHadar Hen Zion } 1162232c0013SHadar Hen Zion } 1163232c0013SHadar Hen Zion 1164232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1165232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1166232c0013SHadar Hen Zion { 11673c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11685dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 11695dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11705dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 117179baaec7SEli Britstein struct encap_flow_item *efi; 1172232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 11735dbe906fSPaul Blakey int err; 1174232c0013SHadar Hen Zion 117579baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 117679baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11775dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 11785dbe906fSPaul Blakey 11795dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 11805dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 11818c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 11828c4dc42bSEli Britstein flow->esw_attr->dests[efi->index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 11835dbe906fSPaul Blakey 11845dbe906fSPaul Blakey if (IS_ERR(rule)) { 11855dbe906fSPaul Blakey err = PTR_ERR(rule); 11865dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 11875dbe906fSPaul Blakey err); 11885dbe906fSPaul Blakey continue; 11895dbe906fSPaul Blakey } 11905dbe906fSPaul Blakey 11916d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 11925dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when fast path rule removed */ 11935dbe906fSPaul Blakey flow->rule[0] = rule; 1194232c0013SHadar Hen Zion } 1195232c0013SHadar Hen Zion 119661c806daSOr Gerlitz /* we know that the encap is valid */ 1197232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 119860786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1199232c0013SHadar Hen Zion } 1200232c0013SHadar Hen Zion 1201b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1202b8aee822SMark Bloch { 1203b8aee822SMark Bloch if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1204b8aee822SMark Bloch return flow->esw_attr->counter; 1205b8aee822SMark Bloch else 1206b8aee822SMark Bloch return flow->nic_attr->counter; 1207b8aee822SMark Bloch } 1208b8aee822SMark Bloch 1209f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1210f6dfb4c3SHadar Hen Zion { 1211f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1212f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1213f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1214f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1215f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1216f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1217f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1218f6dfb4c3SHadar Hen Zion struct neighbour *n; 1219f6dfb4c3SHadar Hen Zion 1220f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1221f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1222f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1223f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1224423c9db2SOr Gerlitz tbl = &nd_tbl; 1225f6dfb4c3SHadar Hen Zion #endif 1226f6dfb4c3SHadar Hen Zion else 1227f6dfb4c3SHadar Hen Zion return; 1228f6dfb4c3SHadar Hen Zion 1229f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 123079baaec7SEli Britstein struct encap_flow_item *efi; 1231f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1232f6dfb4c3SHadar Hen Zion continue; 123379baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 123479baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 123579baaec7SEli Britstein encaps[efi->index]); 1236f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 1237b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 1238f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1239f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1240f6dfb4c3SHadar Hen Zion neigh_used = true; 1241f6dfb4c3SHadar Hen Zion break; 1242f6dfb4c3SHadar Hen Zion } 1243f6dfb4c3SHadar Hen Zion } 1244f6dfb4c3SHadar Hen Zion } 1245e36d4810SRoi Dayan if (neigh_used) 1246e36d4810SRoi Dayan break; 1247f6dfb4c3SHadar Hen Zion } 1248f6dfb4c3SHadar Hen Zion 1249f6dfb4c3SHadar Hen Zion if (neigh_used) { 1250f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1251f6dfb4c3SHadar Hen Zion 1252f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1253f6dfb4c3SHadar Hen Zion * dst ip pair 1254f6dfb4c3SHadar Hen Zion */ 1255f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1256c7f7ba8dSRoi Dayan if (!n) 1257f6dfb4c3SHadar Hen Zion return; 1258f6dfb4c3SHadar Hen Zion 1259f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1260f6dfb4c3SHadar Hen Zion neigh_release(n); 1261f6dfb4c3SHadar Hen Zion } 1262f6dfb4c3SHadar Hen Zion } 1263f6dfb4c3SHadar Hen Zion 1264d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 12658c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index) 1266d85cdccbSOr Gerlitz { 12678c4dc42bSEli Britstein struct list_head *next = flow->encaps[out_index].list.next; 12685067b602SRoi Dayan 12698c4dc42bSEli Britstein list_del(&flow->encaps[out_index].list); 12705067b602SRoi Dayan if (list_empty(next)) { 1271c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 12725067b602SRoi Dayan 1273c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1274232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1275232c0013SHadar Hen Zion 1276232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 127760786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1278232c0013SHadar Hen Zion 1279cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1280232c0013SHadar Hen Zion kfree(e->encap_header); 12815067b602SRoi Dayan kfree(e); 12825067b602SRoi Dayan } 12835067b602SRoi Dayan } 12845067b602SRoi Dayan 128504de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 128604de7ddaSRoi Dayan { 128704de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 128804de7ddaSRoi Dayan 128904de7ddaSRoi Dayan if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 129004de7ddaSRoi Dayan !(flow->flags & MLX5E_TC_FLOW_DUP)) 129104de7ddaSRoi Dayan return; 129204de7ddaSRoi Dayan 129304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 129404de7ddaSRoi Dayan list_del(&flow->peer); 129504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 129604de7ddaSRoi Dayan 129704de7ddaSRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_DUP; 129804de7ddaSRoi Dayan 129904de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 130004de7ddaSRoi Dayan kvfree(flow->peer_flow); 130104de7ddaSRoi Dayan flow->peer_flow = NULL; 130204de7ddaSRoi Dayan } 130304de7ddaSRoi Dayan 130404de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 130504de7ddaSRoi Dayan { 130604de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 130704de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 130804de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 130904de7ddaSRoi Dayan 131004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 131104de7ddaSRoi Dayan if (!peer_esw) 131204de7ddaSRoi Dayan return; 131304de7ddaSRoi Dayan 131404de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 131504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 131604de7ddaSRoi Dayan } 131704de7ddaSRoi Dayan 1318e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1319961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1320e8f887acSAmir Vadai { 132104de7ddaSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 132204de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1323d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 132404de7ddaSRoi Dayan } else { 1325d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1326e8f887acSAmir Vadai } 132704de7ddaSRoi Dayan } 1328e8f887acSAmir Vadai 1329bbd00f7eSHadar Hen Zion 1330bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1331bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 133254c177caSOz Shlomo struct tc_cls_flower_offload *f, 13336363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1334bbd00f7eSHadar Hen Zion { 1335e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1336bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1337bbd00f7eSHadar Hen Zion outer_headers); 1338bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1339bbd00f7eSHadar Hen Zion outer_headers); 13408f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 13418f256622SPablo Neira Ayuso struct flow_match_control enc_control; 13428f256622SPablo Neira Ayuso int err; 1343bbd00f7eSHadar Hen Zion 1344101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 13456363651dSOr Gerlitz headers_c, headers_v, match_level); 134654c177caSOz Shlomo if (err) { 134754c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 134854c177caSOz Shlomo "failed to parse tunnel attributes"); 1349101f4de9SOz Shlomo return err; 1350bbd00f7eSHadar Hen Zion } 1351bbd00f7eSHadar Hen Zion 13528f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &enc_control); 13538f256622SPablo Neira Ayuso 13548f256622SPablo Neira Ayuso if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 13558f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 13568f256622SPablo Neira Ayuso 13578f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1358bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1359bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13608f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1361bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1362bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13638f256622SPablo Neira Ayuso ntohl(match.key->src)); 1364bbd00f7eSHadar Hen Zion 1365bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1366bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13678f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1368bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1369bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13708f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1371bbd00f7eSHadar Hen Zion 1372bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1373bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 13748f256622SPablo Neira Ayuso } else if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 13758f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 137619f44401SOr Gerlitz 13778f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 137819f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 137919f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13808f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 138119f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 138219f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13838f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 138419f44401SOr Gerlitz 138519f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 138619f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 13878f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 138819f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 138919f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 13908f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 139119f44401SOr Gerlitz 139219f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 139319f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 13942e72eb43SOr Gerlitz } 1395bbd00f7eSHadar Hen Zion 13968f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 13978f256622SPablo Neira Ayuso struct flow_match_ip match; 1398bcef735cSOr Gerlitz 13998f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 14008f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 14018f256622SPablo Neira Ayuso match.mask->tos & 0x3); 14028f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 14038f256622SPablo Neira Ayuso match.key->tos & 0x3); 1404bcef735cSOr Gerlitz 14058f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 14068f256622SPablo Neira Ayuso match.mask->tos >> 2); 14078f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 14088f256622SPablo Neira Ayuso match.key->tos >> 2); 1409bcef735cSOr Gerlitz 14108f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 14118f256622SPablo Neira Ayuso match.mask->ttl); 14128f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 14138f256622SPablo Neira Ayuso match.key->ttl); 1414e98bedf5SEli Britstein 14158f256622SPablo Neira Ayuso if (match.mask->ttl && 1416e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1417e98bedf5SEli Britstein (priv->mdev, 1418e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1419e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1420e98bedf5SEli Britstein "Matching on TTL is not supported"); 1421e98bedf5SEli Britstein return -EOPNOTSUPP; 1422e98bedf5SEli Britstein } 1423e98bedf5SEli Britstein 1424bcef735cSOr Gerlitz } 1425bcef735cSOr Gerlitz 1426bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1427bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1428bbd00f7eSHadar Hen Zion */ 1429bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1430bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1431bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1432bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1433bbd00f7eSHadar Hen Zion 1434bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1435bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1436bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1437bbd00f7eSHadar Hen Zion 1438bbd00f7eSHadar Hen Zion return 0; 1439bbd00f7eSHadar Hen Zion } 1440bbd00f7eSHadar Hen Zion 1441de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1442de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1443de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 144454c177caSOz Shlomo struct net_device *filter_dev, 14456363651dSOr Gerlitz u8 *match_level, u8 *tunnel_match_level) 1446e3a2b7edSAmir Vadai { 1447e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1448c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1449c5bb1730SMaor Gottlieb outer_headers); 1450c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1451c5bb1730SMaor Gottlieb outer_headers); 1452699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1453699e96ddSJianbo Liu misc_parameters); 1454699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1455699e96ddSJianbo Liu misc_parameters); 14568f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 14578f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1458e3a2b7edSAmir Vadai u16 addr_type = 0; 1459e3a2b7edSAmir Vadai u8 ip_proto = 0; 1460e3a2b7edSAmir Vadai 1461d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1462de0af0bfSRoi Dayan 14638f256622SPablo Neira Ayuso if (dissector->used_keys & 1464e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1465e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1466e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1467095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1468699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1469e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1470e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1471bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1472bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1473bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1474bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1475bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1476e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1477fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1478bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 1479bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { 1480e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1481e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 14828f256622SPablo Neira Ayuso dissector->used_keys); 1483e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1484e3a2b7edSAmir Vadai } 1485e3a2b7edSAmir Vadai 14868f256622SPablo Neira Ayuso if ((flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 14878f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID) || 14888f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 14898f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 14908f256622SPablo Neira Ayuso struct flow_match_control match; 14918f256622SPablo Neira Ayuso 14928f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &match); 14938f256622SPablo Neira Ayuso switch (match.key->addr_type) { 1494bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 149519f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 14966363651dSOr Gerlitz if (parse_tunnel_attr(priv, spec, f, filter_dev, tunnel_match_level)) 1497bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1498bbd00f7eSHadar Hen Zion break; 1499bbd00f7eSHadar Hen Zion default: 1500bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1501bbd00f7eSHadar Hen Zion } 1502bbd00f7eSHadar Hen Zion 1503bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1504bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1505bbd00f7eSHadar Hen Zion */ 1506bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1507bbd00f7eSHadar Hen Zion inner_headers); 1508bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1509bbd00f7eSHadar Hen Zion inner_headers); 1510bbd00f7eSHadar Hen Zion } 1511bbd00f7eSHadar Hen Zion 15128f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 15138f256622SPablo Neira Ayuso struct flow_match_basic match; 1514e3a2b7edSAmir Vadai 15158f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 15168f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 15178f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 15188f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 15198f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 15208f256622SPablo Neira Ayuso 15218f256622SPablo Neira Ayuso if (match.mask->n_proto) 1522d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1523e3a2b7edSAmir Vadai } 1524e3a2b7edSAmir Vadai 15258f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) { 15268f256622SPablo Neira Ayuso struct flow_match_vlan match; 15278f256622SPablo Neira Ayuso 15288f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15298f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15308f256622SPablo Neira Ayuso match.mask->vlan_priority || 15318f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15328f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1533699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1534699e96ddSJianbo Liu svlan_tag, 1); 1535699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1536699e96ddSJianbo Liu svlan_tag, 1); 1537699e96ddSJianbo Liu } else { 1538699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1539699e96ddSJianbo Liu cvlan_tag, 1); 1540699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1541699e96ddSJianbo Liu cvlan_tag, 1); 1542699e96ddSJianbo Liu } 1543095b6cfdSOr Gerlitz 15448f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 15458f256622SPablo Neira Ayuso match.mask->vlan_id); 15468f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 15478f256622SPablo Neira Ayuso match.key->vlan_id); 1548358d79a4SOr Gerlitz 15498f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 15508f256622SPablo Neira Ayuso match.mask->vlan_priority); 15518f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 15528f256622SPablo Neira Ayuso match.key->vlan_priority); 155354782900SOr Gerlitz 1554d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1555095b6cfdSOr Gerlitz } 1556d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1557cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1558cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1559d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1560095b6cfdSOr Gerlitz } 1561095b6cfdSOr Gerlitz 15628f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 15638f256622SPablo Neira Ayuso struct flow_match_vlan match; 15648f256622SPablo Neira Ayuso 15658f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15668f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15678f256622SPablo Neira Ayuso match.mask->vlan_priority || 15688f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15698f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1570699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1571699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1572699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1573699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1574699e96ddSJianbo Liu } else { 1575699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1576699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1577699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1578699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1579699e96ddSJianbo Liu } 1580699e96ddSJianbo Liu 1581699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 15828f256622SPablo Neira Ayuso match.mask->vlan_id); 1583699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 15848f256622SPablo Neira Ayuso match.key->vlan_id); 1585699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 15868f256622SPablo Neira Ayuso match.mask->vlan_priority); 1587699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 15888f256622SPablo Neira Ayuso match.key->vlan_priority); 1589699e96ddSJianbo Liu 1590699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1591699e96ddSJianbo Liu } 1592699e96ddSJianbo Liu } 1593699e96ddSJianbo Liu 15948f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 15958f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 159654782900SOr Gerlitz 15978f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1598d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1599d3a80bb5SOr Gerlitz dmac_47_16), 16008f256622SPablo Neira Ayuso match.mask->dst); 1601d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1602d3a80bb5SOr Gerlitz dmac_47_16), 16038f256622SPablo Neira Ayuso match.key->dst); 1604d3a80bb5SOr Gerlitz 1605d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1606d3a80bb5SOr Gerlitz smac_47_16), 16078f256622SPablo Neira Ayuso match.mask->src); 1608d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1609d3a80bb5SOr Gerlitz smac_47_16), 16108f256622SPablo Neira Ayuso match.key->src); 1611d3a80bb5SOr Gerlitz 16128f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 16138f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1614d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 161554782900SOr Gerlitz } 161654782900SOr Gerlitz 16178f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 16188f256622SPablo Neira Ayuso struct flow_match_control match; 161954782900SOr Gerlitz 16208f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 16218f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 162254782900SOr Gerlitz 162354782900SOr Gerlitz /* the HW doesn't support frag first/later */ 16248f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 162554782900SOr Gerlitz return -EOPNOTSUPP; 162654782900SOr Gerlitz 16278f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 162854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 162954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 16308f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 163154782900SOr Gerlitz 163254782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 16338f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 163483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 163554782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 163654782900SOr Gerlitz else 163783621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 163854782900SOr Gerlitz } 163954782900SOr Gerlitz } 164054782900SOr Gerlitz 16418f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 16428f256622SPablo Neira Ayuso struct flow_match_basic match; 16438f256622SPablo Neira Ayuso 16448f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 16458f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 164654782900SOr Gerlitz 164754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 16488f256622SPablo Neira Ayuso match.mask->ip_proto); 164954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 16508f256622SPablo Neira Ayuso match.key->ip_proto); 165154782900SOr Gerlitz 16528f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1653d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 165454782900SOr Gerlitz } 165554782900SOr Gerlitz 1656e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 16578f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1658e3a2b7edSAmir Vadai 16598f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1660e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1661e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16628f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1663e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1664e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16658f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1666e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1667e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16688f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1669e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1670e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16718f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1672de0af0bfSRoi Dayan 16738f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1674d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1675e3a2b7edSAmir Vadai } 1676e3a2b7edSAmir Vadai 1677e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 16788f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1679e3a2b7edSAmir Vadai 16808f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1681e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1682e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 16838f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1684e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1685e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 16868f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1687e3a2b7edSAmir Vadai 1688e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1689e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16908f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1691e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1692e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16938f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1694de0af0bfSRoi Dayan 16958f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 16968f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 1697d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1698e3a2b7edSAmir Vadai } 1699e3a2b7edSAmir Vadai 17008f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 17018f256622SPablo Neira Ayuso struct flow_match_ip match; 17021f97a526SOr Gerlitz 17038f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 17048f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 17058f256622SPablo Neira Ayuso match.mask->tos & 0x3); 17068f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 17078f256622SPablo Neira Ayuso match.key->tos & 0x3); 17081f97a526SOr Gerlitz 17098f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 17108f256622SPablo Neira Ayuso match.mask->tos >> 2); 17118f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 17128f256622SPablo Neira Ayuso match.key->tos >> 2); 17131f97a526SOr Gerlitz 17148f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 17158f256622SPablo Neira Ayuso match.mask->ttl); 17168f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 17178f256622SPablo Neira Ayuso match.key->ttl); 17181f97a526SOr Gerlitz 17198f256622SPablo Neira Ayuso if (match.mask->ttl && 1720a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1721e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1722e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1723e98bedf5SEli Britstein "Matching on TTL is not supported"); 17241f97a526SOr Gerlitz return -EOPNOTSUPP; 1725e98bedf5SEli Britstein } 1726a8ade55fSOr Gerlitz 17278f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 1728d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 17291f97a526SOr Gerlitz } 17301f97a526SOr Gerlitz 173154782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 173254782900SOr Gerlitz 17338f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 17348f256622SPablo Neira Ayuso struct flow_match_ports match; 17358f256622SPablo Neira Ayuso 17368f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 1737e3a2b7edSAmir Vadai switch (ip_proto) { 1738e3a2b7edSAmir Vadai case IPPROTO_TCP: 1739e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17408f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 1741e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17428f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 1743e3a2b7edSAmir Vadai 1744e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17458f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 1746e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17478f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 1748e3a2b7edSAmir Vadai break; 1749e3a2b7edSAmir Vadai 1750e3a2b7edSAmir Vadai case IPPROTO_UDP: 1751e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17528f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 1753e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17548f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 1755e3a2b7edSAmir Vadai 1756e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17578f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 1758e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17598f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 1760e3a2b7edSAmir Vadai break; 1761e3a2b7edSAmir Vadai default: 1762e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1763e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1764e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1765e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1766e3a2b7edSAmir Vadai return -EINVAL; 1767e3a2b7edSAmir Vadai } 1768de0af0bfSRoi Dayan 17698f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1770d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1771e3a2b7edSAmir Vadai } 1772e3a2b7edSAmir Vadai 17738f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 17748f256622SPablo Neira Ayuso struct flow_match_tcp match; 1775e77834ecSOr Gerlitz 17768f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 1777e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 17788f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 1779e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 17808f256622SPablo Neira Ayuso ntohs(match.key->flags)); 1781e77834ecSOr Gerlitz 17828f256622SPablo Neira Ayuso if (match.mask->flags) 1783d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1784e77834ecSOr Gerlitz } 1785e77834ecSOr Gerlitz 1786e3a2b7edSAmir Vadai return 0; 1787e3a2b7edSAmir Vadai } 1788e3a2b7edSAmir Vadai 1789de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 179065ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1791de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 179254c177caSOz Shlomo struct tc_cls_flower_offload *f, 179354c177caSOz Shlomo struct net_device *filter_dev) 1794de0af0bfSRoi Dayan { 1795e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1796de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1797de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 17981d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 17996363651dSOr Gerlitz u8 match_level, tunnel_match_level = MLX5_MATCH_NONE; 18001d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1801de0af0bfSRoi Dayan int err; 1802de0af0bfSRoi Dayan 18036363651dSOr Gerlitz err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level, &tunnel_match_level); 1804de0af0bfSRoi Dayan 18051d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 18061d447a39SSaeed Mahameed rep = rpriv->rep; 1807b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 18081d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1809d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1810e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1811e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1812de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1813de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1814d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1815de0af0bfSRoi Dayan return -EOPNOTSUPP; 1816de0af0bfSRoi Dayan } 1817de0af0bfSRoi Dayan } 1818de0af0bfSRoi Dayan 18196363651dSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 182038aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 18216363651dSOr Gerlitz flow->esw_attr->tunnel_match_level = tunnel_match_level; 18226363651dSOr Gerlitz } else { 182338aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 18246363651dSOr Gerlitz } 182538aa51c1SOr Gerlitz 1826de0af0bfSRoi Dayan return err; 1827de0af0bfSRoi Dayan } 1828de0af0bfSRoi Dayan 1829d79b6df6SOr Gerlitz struct pedit_headers { 1830d79b6df6SOr Gerlitz struct ethhdr eth; 18310eb69bb9SEli Britstein struct vlan_hdr vlan; 1832d79b6df6SOr Gerlitz struct iphdr ip4; 1833d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1834d79b6df6SOr Gerlitz struct tcphdr tcp; 1835d79b6df6SOr Gerlitz struct udphdr udp; 1836d79b6df6SOr Gerlitz }; 1837d79b6df6SOr Gerlitz 1838c500c86bSPablo Neira Ayuso struct pedit_headers_action { 1839c500c86bSPablo Neira Ayuso struct pedit_headers vals; 1840c500c86bSPablo Neira Ayuso struct pedit_headers masks; 1841c500c86bSPablo Neira Ayuso u32 pedits; 1842c500c86bSPablo Neira Ayuso }; 1843c500c86bSPablo Neira Ayuso 1844d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 184573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 184673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 184773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 184873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 184973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1850d79b6df6SOr Gerlitz }; 1851d79b6df6SOr Gerlitz 1852d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1853d79b6df6SOr Gerlitz 1854d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1855c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 1856d79b6df6SOr Gerlitz { 1857d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1858d79b6df6SOr Gerlitz 1859c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 1860c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 1861d79b6df6SOr Gerlitz 1862d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1863d79b6df6SOr Gerlitz goto out_err; 1864d79b6df6SOr Gerlitz 1865d79b6df6SOr Gerlitz *curr_pmask |= mask; 1866d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1867d79b6df6SOr Gerlitz 1868d79b6df6SOr Gerlitz return 0; 1869d79b6df6SOr Gerlitz 1870d79b6df6SOr Gerlitz out_err: 1871d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1872d79b6df6SOr Gerlitz } 1873d79b6df6SOr Gerlitz 1874d79b6df6SOr Gerlitz struct mlx5_fields { 1875d79b6df6SOr Gerlitz u8 field; 1876d79b6df6SOr Gerlitz u8 size; 1877d79b6df6SOr Gerlitz u32 offset; 1878d79b6df6SOr Gerlitz }; 1879d79b6df6SOr Gerlitz 1880a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1881a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1882a8e4f0c4SOr Gerlitz 1883d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1884a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1885a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1886a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1887a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1888a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 18890eb69bb9SEli Britstein OFFLOAD(FIRST_VID, 2, vlan.h_vlan_TCI, 0), 1890d79b6df6SOr Gerlitz 1891a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1892a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1893a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1894d79b6df6SOr Gerlitz 1895a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1896a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1897a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1898a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1899a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1900a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1901a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1902a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 19030c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1904d79b6df6SOr Gerlitz 1905a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1906a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1907a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1908d79b6df6SOr Gerlitz 1909a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1910a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1911d79b6df6SOr Gerlitz }; 1912d79b6df6SOr Gerlitz 1913218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 1914218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 1915218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 1916d79b6df6SOr Gerlitz */ 1917c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 1918e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1919e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1920d79b6df6SOr Gerlitz { 1921d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 19222b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1923d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1924d79b6df6SOr Gerlitz struct mlx5_fields *f; 1925d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1926e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1927d79b6df6SOr Gerlitz unsigned long mask; 19282b64bebaSOr Gerlitz __be32 mask_be32; 19292b64bebaSOr Gerlitz __be16 mask_be16; 1930d79b6df6SOr Gerlitz void *action; 1931d79b6df6SOr Gerlitz 193273867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 193373867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 193473867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 193573867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 1936d79b6df6SOr Gerlitz 1937d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1938218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 1939218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 1940218d05ceSTonghao Zhang 1941218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 1942218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 1943d79b6df6SOr Gerlitz 1944d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1945d79b6df6SOr Gerlitz f = &fields[i]; 1946d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1947e3ca4e05SOr Gerlitz s_mask = 0; 1948e3ca4e05SOr Gerlitz a_mask = 0; 1949d79b6df6SOr Gerlitz 1950d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1951d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1952d79b6df6SOr Gerlitz 1953d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1954d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1955d79b6df6SOr Gerlitz 1956d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1957d79b6df6SOr Gerlitz continue; 1958d79b6df6SOr Gerlitz 1959d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1960e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1961e98bedf5SEli Britstein "can't set and add to the same HW field"); 1962d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1963d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1964d79b6df6SOr Gerlitz } 1965d79b6df6SOr Gerlitz 1966d79b6df6SOr Gerlitz if (nactions == max_actions) { 1967e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1968e98bedf5SEli Britstein "too many pedit actions, can't offload"); 1969d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1970d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1971d79b6df6SOr Gerlitz } 1972d79b6df6SOr Gerlitz 1973d79b6df6SOr Gerlitz if (s_mask) { 1974d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1975d79b6df6SOr Gerlitz mask = s_mask; 1976d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1977d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1978d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1979d79b6df6SOr Gerlitz } else { 1980d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1981d79b6df6SOr Gerlitz mask = a_mask; 1982d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1983d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1984d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1985d79b6df6SOr Gerlitz } 1986d79b6df6SOr Gerlitz 1987d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1988e3ca4e05SOr Gerlitz 19892b64bebaSOr Gerlitz if (field_bsize == 32) { 19902b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 19912b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 19922b64bebaSOr Gerlitz } else if (field_bsize == 16) { 19932b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 19942b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 19952b64bebaSOr Gerlitz } 19962b64bebaSOr Gerlitz 1997d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 19982b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1999d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 20002b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2001e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2002e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 20032b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2004d79b6df6SOr Gerlitz mask); 2005d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2006d79b6df6SOr Gerlitz } 2007d79b6df6SOr Gerlitz 2008d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2009d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2010d79b6df6SOr Gerlitz 2011d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 20122b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 2013d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 20142b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2015d79b6df6SOr Gerlitz } 2016d79b6df6SOr Gerlitz 2017d79b6df6SOr Gerlitz if (field_bsize == 32) 20182b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 2019d79b6df6SOr Gerlitz else if (field_bsize == 16) 20202b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 2021d79b6df6SOr Gerlitz else if (field_bsize == 8) 20222b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2023d79b6df6SOr Gerlitz 2024d79b6df6SOr Gerlitz action += action_size; 2025d79b6df6SOr Gerlitz nactions++; 2026d79b6df6SOr Gerlitz } 2027d79b6df6SOr Gerlitz 2028d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2029d79b6df6SOr Gerlitz return 0; 2030d79b6df6SOr Gerlitz } 2031d79b6df6SOr Gerlitz 2032d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2033c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2034c500c86bSPablo Neira Ayuso int namespace, 2035d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2036d79b6df6SOr Gerlitz { 2037d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2038d79b6df6SOr Gerlitz 2039c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2040c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2041d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2042d79b6df6SOr Gerlitz 2043d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 2044d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 2045d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 2046d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 2047d79b6df6SOr Gerlitz 2048d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2049d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2050d79b6df6SOr Gerlitz 2051d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2052d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2053d79b6df6SOr Gerlitz return -ENOMEM; 2054d79b6df6SOr Gerlitz 2055218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2056d79b6df6SOr Gerlitz return 0; 2057d79b6df6SOr Gerlitz } 2058d79b6df6SOr Gerlitz 2059d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2060d79b6df6SOr Gerlitz 2061d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 206273867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2063e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2064c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2065e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2066d79b6df6SOr Gerlitz { 206773867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 206873867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2069d79b6df6SOr Gerlitz u32 mask, val, offset; 207073867881SPablo Neira Ayuso u8 htype; 2071d79b6df6SOr Gerlitz 207273867881SPablo Neira Ayuso htype = act->mangle.htype; 2073d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2074d79b6df6SOr Gerlitz 207573867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 207673867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2077d79b6df6SOr Gerlitz goto out_err; 2078d79b6df6SOr Gerlitz } 2079d79b6df6SOr Gerlitz 208073867881SPablo Neira Ayuso mask = act->mangle.mask; 208173867881SPablo Neira Ayuso val = act->mangle.val; 208273867881SPablo Neira Ayuso offset = act->mangle.offset; 2083d79b6df6SOr Gerlitz 2084c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2085d79b6df6SOr Gerlitz if (err) 2086d79b6df6SOr Gerlitz goto out_err; 2087c500c86bSPablo Neira Ayuso 2088c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2089d79b6df6SOr Gerlitz 2090c500c86bSPablo Neira Ayuso return 0; 2091c500c86bSPablo Neira Ayuso out_err: 2092c500c86bSPablo Neira Ayuso return err; 2093c500c86bSPablo Neira Ayuso } 2094c500c86bSPablo Neira Ayuso 2095c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2096c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2097c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2098c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2099c500c86bSPablo Neira Ayuso { 2100c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2101c500c86bSPablo Neira Ayuso int err; 2102c500c86bSPablo Neira Ayuso u8 cmd; 2103c500c86bSPablo Neira Ayuso 2104218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2105c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2106d79b6df6SOr Gerlitz if (err) 2107d79b6df6SOr Gerlitz goto out_err; 2108218d05ceSTonghao Zhang } 2109d79b6df6SOr Gerlitz 2110c500c86bSPablo Neira Ayuso err = offload_pedit_fields(hdrs, parse_attr, extack); 2111d79b6df6SOr Gerlitz if (err < 0) 2112d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2113d79b6df6SOr Gerlitz 2114d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2115c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2116d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2117e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2118e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2119b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2120d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2121d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2122d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2123d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2124d79b6df6SOr Gerlitz } 2125d79b6df6SOr Gerlitz } 2126d79b6df6SOr Gerlitz 2127d79b6df6SOr Gerlitz return 0; 2128d79b6df6SOr Gerlitz 2129d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2130d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2131d79b6df6SOr Gerlitz out_err: 2132d79b6df6SOr Gerlitz return err; 2133d79b6df6SOr Gerlitz } 2134d79b6df6SOr Gerlitz 2135e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2136e98bedf5SEli Britstein u32 action, 2137e98bedf5SEli Britstein u32 update_flags, 2138e98bedf5SEli Britstein struct netlink_ext_ack *extack) 213926c02749SOr Gerlitz { 214026c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 214126c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 214226c02749SOr Gerlitz 214326c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 214426c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2145e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2146e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 214726c02749SOr Gerlitz netdev_warn(priv->netdev, 214826c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 214926c02749SOr Gerlitz return false; 215026c02749SOr Gerlitz } 215126c02749SOr Gerlitz 215226c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2153e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2154e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 215526c02749SOr Gerlitz netdev_warn(priv->netdev, 215626c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 215726c02749SOr Gerlitz update_flags); 215826c02749SOr Gerlitz return false; 215926c02749SOr Gerlitz } 216026c02749SOr Gerlitz 216126c02749SOr Gerlitz return true; 216226c02749SOr Gerlitz } 216326c02749SOr Gerlitz 2164bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 216573867881SPablo Neira Ayuso struct flow_action *flow_action, 21661651925dSGuy Shattah u32 actions, 2167e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2168bdd66ac0SOr Gerlitz { 216973867881SPablo Neira Ayuso const struct flow_action_entry *act; 2170bdd66ac0SOr Gerlitz bool modify_ip_header; 2171bdd66ac0SOr Gerlitz u8 htype, ip_proto; 2172bdd66ac0SOr Gerlitz void *headers_v; 2173bdd66ac0SOr Gerlitz u16 ethertype; 217473867881SPablo Neira Ayuso int i; 2175bdd66ac0SOr Gerlitz 21761651925dSGuy Shattah if (actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) 21771651925dSGuy Shattah headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 21781651925dSGuy Shattah else 2179bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 21801651925dSGuy Shattah 2181bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2182bdd66ac0SOr Gerlitz 2183bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2184bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2185bdd66ac0SOr Gerlitz goto out_ok; 2186bdd66ac0SOr Gerlitz 2187bdd66ac0SOr Gerlitz modify_ip_header = false; 218873867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 218973867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 219073867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2191bdd66ac0SOr Gerlitz continue; 2192bdd66ac0SOr Gerlitz 219373867881SPablo Neira Ayuso htype = act->mangle.htype; 219473867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4 || 219573867881SPablo Neira Ayuso htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 2196bdd66ac0SOr Gerlitz modify_ip_header = true; 2197bdd66ac0SOr Gerlitz break; 2198bdd66ac0SOr Gerlitz } 2199bdd66ac0SOr Gerlitz } 2200bdd66ac0SOr Gerlitz 2201bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 22021ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 22031ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2204e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2205e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2206bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2207bdd66ac0SOr Gerlitz return false; 2208bdd66ac0SOr Gerlitz } 2209bdd66ac0SOr Gerlitz 2210bdd66ac0SOr Gerlitz out_ok: 2211bdd66ac0SOr Gerlitz return true; 2212bdd66ac0SOr Gerlitz } 2213bdd66ac0SOr Gerlitz 2214bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 221573867881SPablo Neira Ayuso struct flow_action *flow_action, 2216bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2217e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2218e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2219bdd66ac0SOr Gerlitz { 2220bdd66ac0SOr Gerlitz u32 actions; 2221bdd66ac0SOr Gerlitz 2222bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2223bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2224bdd66ac0SOr Gerlitz else 2225bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2226bdd66ac0SOr Gerlitz 22277e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 22287e29392eSRoi Dayan !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) 22297e29392eSRoi Dayan return false; 22307e29392eSRoi Dayan 2231bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 223273867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2233a655fe9fSDavid S. Miller flow_action, actions, 2234e98bedf5SEli Britstein extack); 2235bdd66ac0SOr Gerlitz 2236bdd66ac0SOr Gerlitz return true; 2237bdd66ac0SOr Gerlitz } 2238bdd66ac0SOr Gerlitz 22395c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 22405c65c564SOr Gerlitz { 22415c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2242816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 22435c65c564SOr Gerlitz 22445c65c564SOr Gerlitz fmdev = priv->mdev; 22455c65c564SOr Gerlitz pmdev = peer_priv->mdev; 22465c65c564SOr Gerlitz 224759c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 224859c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 22495c65c564SOr Gerlitz 2250816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 22515c65c564SOr Gerlitz } 22525c65c564SOr Gerlitz 2253bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2254bdc837eeSEli Britstein const struct flow_action_entry *act, 2255bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2256bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2257bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2258bdc837eeSEli Britstein { 2259bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2260bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2261bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2262bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2263bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2264bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2265bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2266bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2267bdc837eeSEli Britstein }; 2268bdc837eeSEli Britstein int err; 2269bdc837eeSEli Britstein 2270bdc837eeSEli Britstein if (act->vlan.prio) { 2271bdc837eeSEli Britstein NL_SET_ERR_MSG_MOD(extack, "Setting VLAN prio is not supported"); 2272bdc837eeSEli Britstein return -EOPNOTSUPP; 2273bdc837eeSEli Britstein } 2274bdc837eeSEli Britstein 2275bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2276bdc837eeSEli Britstein hdrs, NULL); 2277bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2278bdc837eeSEli Britstein 2279bdc837eeSEli Britstein return err; 2280bdc837eeSEli Britstein } 2281bdc837eeSEli Britstein 228273867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 228373867881SPablo Neira Ayuso struct flow_action *flow_action, 2284aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2285e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2286e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2287e3a2b7edSAmir Vadai { 2288aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 228973867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 229073867881SPablo Neira Ayuso const struct flow_action_entry *act; 22911cab1cd7SOr Gerlitz u32 action = 0; 2292244cd96aSCong Wang int err, i; 2293e3a2b7edSAmir Vadai 229473867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2295e3a2b7edSAmir Vadai return -EINVAL; 2296e3a2b7edSAmir Vadai 22973bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2298e3a2b7edSAmir Vadai 229973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 230073867881SPablo Neira Ayuso switch (act->id) { 230173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 23021cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2303aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2304aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 23051cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 230673867881SPablo Neira Ayuso break; 230773867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 230873867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 230973867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2310c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 23112f4fe4caSOr Gerlitz if (err) 23122f4fe4caSOr Gerlitz return err; 23132f4fe4caSOr Gerlitz 23141cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 23152f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 231673867881SPablo Neira Ayuso break; 2317bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2318bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2319bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2320bdc837eeSEli Britstein act, parse_attr, hdrs, 2321bdc837eeSEli Britstein &action, extack); 2322bdc837eeSEli Britstein if (err) 2323bdc837eeSEli Britstein return err; 2324bdc837eeSEli Britstein 2325bdc837eeSEli Britstein break; 232673867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 23271cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 232873867881SPablo Neira Ayuso act->csum_flags, 2329e98bedf5SEli Britstein extack)) 233073867881SPablo Neira Ayuso break; 233126c02749SOr Gerlitz 233226c02749SOr Gerlitz return -EOPNOTSUPP; 233373867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 233473867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 23355c65c564SOr Gerlitz 23365c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 23375c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 233898b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 23395c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 23401cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 23415c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 23425c65c564SOr Gerlitz } else { 2343e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2344e98bedf5SEli Britstein "device is not on same HW, can't offload"); 23455c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 23465c65c564SOr Gerlitz peer_dev->name); 23475c65c564SOr Gerlitz return -EINVAL; 23485c65c564SOr Gerlitz } 23495c65c564SOr Gerlitz } 235073867881SPablo Neira Ayuso break; 235173867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 235273867881SPablo Neira Ayuso u32 mark = act->mark; 2353e3a2b7edSAmir Vadai 2354e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2355e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2356e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2357e3a2b7edSAmir Vadai return -EINVAL; 2358e3a2b7edSAmir Vadai } 2359e3a2b7edSAmir Vadai 23603bc4b7bfSOr Gerlitz attr->flow_tag = mark; 23611cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2362e3a2b7edSAmir Vadai } 236373867881SPablo Neira Ayuso break; 236473867881SPablo Neira Ayuso default: 2365e3a2b7edSAmir Vadai return -EINVAL; 2366e3a2b7edSAmir Vadai } 236773867881SPablo Neira Ayuso } 2368e3a2b7edSAmir Vadai 2369c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2370c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2371c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 2372c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2373c500c86bSPablo Neira Ayuso if (err) 2374c500c86bSPablo Neira Ayuso return err; 2375c500c86bSPablo Neira Ayuso } 2376c500c86bSPablo Neira Ayuso 23771cab1cd7SOr Gerlitz attr->action = action; 237873867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2379bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2380bdd66ac0SOr Gerlitz 2381e3a2b7edSAmir Vadai return 0; 2382e3a2b7edSAmir Vadai } 2383e3a2b7edSAmir Vadai 238476f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 238576f7444dSOr Gerlitz struct ip_tunnel_key *b) 2386a54e20b4SHadar Hen Zion { 2387a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2388a54e20b4SHadar Hen Zion } 2389a54e20b4SHadar Hen Zion 239076f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2391a54e20b4SHadar Hen Zion { 239276f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2393a54e20b4SHadar Hen Zion } 2394a54e20b4SHadar Hen Zion 2395a54e20b4SHadar Hen Zion 2396b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2397b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2398b1d90e6bSRabie Loulou { 2399b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2400b1d90e6bSRabie Loulou 2401b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2402b1d90e6bSRabie Loulou 2403b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 240468931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 240568931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 240668931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2407b1d90e6bSRabie Loulou } 2408b1d90e6bSRabie Loulou 2409ce99f6b9SOr Gerlitz 241054c177caSOz Shlomo 2411a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2412e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2413733d4f36SRoi Dayan struct net_device *mirred_dev, 2414733d4f36SRoi Dayan int out_index, 24158c4dc42bSEli Britstein struct netlink_ext_ack *extack, 24160ad060eeSRoi Dayan struct net_device **encap_dev, 24170ad060eeSRoi Dayan bool *encap_valid) 241803a9d11eSOr Gerlitz { 2419a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 242045247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2421733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2422733d4f36SRoi Dayan struct ip_tunnel_info *tun_info; 2423733d4f36SRoi Dayan struct ip_tunnel_key *key; 2424c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2425733d4f36SRoi Dayan unsigned short family; 2426a54e20b4SHadar Hen Zion uintptr_t hash_key; 2427a54e20b4SHadar Hen Zion bool found = false; 242854c177caSOz Shlomo int err = 0; 2429a54e20b4SHadar Hen Zion 2430733d4f36SRoi Dayan parse_attr = attr->parse_attr; 2431733d4f36SRoi Dayan tun_info = &parse_attr->tun_info[out_index]; 2432733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 2433733d4f36SRoi Dayan key = &tun_info->key; 2434733d4f36SRoi Dayan 243576f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2436a54e20b4SHadar Hen Zion 2437a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2438a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 243976f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2440a54e20b4SHadar Hen Zion found = true; 2441a54e20b4SHadar Hen Zion break; 2442a54e20b4SHadar Hen Zion } 2443a54e20b4SHadar Hen Zion } 2444a54e20b4SHadar Hen Zion 2445b2812089SVlad Buslov /* must verify if encap is valid or not */ 244645247bf2SOr Gerlitz if (found) 244745247bf2SOr Gerlitz goto attach_flow; 2448a54e20b4SHadar Hen Zion 2449a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2450a54e20b4SHadar Hen Zion if (!e) 2451a54e20b4SHadar Hen Zion return -ENOMEM; 2452a54e20b4SHadar Hen Zion 245376f7444dSOr Gerlitz e->tun_info = *tun_info; 2454101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 245554c177caSOz Shlomo if (err) 245654c177caSOz Shlomo goto out_err; 245754c177caSOz Shlomo 2458a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2459a54e20b4SHadar Hen Zion 2460ce99f6b9SOr Gerlitz if (family == AF_INET) 2461101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2462ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2463101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2464ce99f6b9SOr Gerlitz 24650ad060eeSRoi Dayan if (err) 2466a54e20b4SHadar Hen Zion goto out_err; 2467a54e20b4SHadar Hen Zion 2468a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2469a54e20b4SHadar Hen Zion 247045247bf2SOr Gerlitz attach_flow: 24718c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 24728c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 247345247bf2SOr Gerlitz *encap_dev = e->out_dev; 24748c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 24758c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 24768c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 24770ad060eeSRoi Dayan *encap_valid = true; 24788c4dc42bSEli Britstein } else { 24790ad060eeSRoi Dayan *encap_valid = false; 24808c4dc42bSEli Britstein } 248145247bf2SOr Gerlitz 2482232c0013SHadar Hen Zion return err; 2483a54e20b4SHadar Hen Zion 2484a54e20b4SHadar Hen Zion out_err: 2485a54e20b4SHadar Hen Zion kfree(e); 2486a54e20b4SHadar Hen Zion return err; 2487a54e20b4SHadar Hen Zion } 2488a54e20b4SHadar Hen Zion 24891482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 249073867881SPablo Neira Ayuso const struct flow_action_entry *act, 24911482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 24921482bd3dSJianbo Liu u32 *action) 24931482bd3dSJianbo Liu { 2494cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2495cc495188SJianbo Liu 2496cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 24971482bd3dSJianbo Liu return -EOPNOTSUPP; 2498cc495188SJianbo Liu 249973867881SPablo Neira Ayuso switch (act->id) { 250073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 2501cc495188SJianbo Liu if (vlan_idx) { 2502cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2503cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2504cc495188SJianbo Liu return -EOPNOTSUPP; 2505cc495188SJianbo Liu 2506cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2507cc495188SJianbo Liu } else { 2508cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2509cc495188SJianbo Liu } 251073867881SPablo Neira Ayuso break; 251173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 251273867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 251373867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 251473867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 2515cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2516cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2517cc495188SJianbo Liu 2518cc495188SJianbo Liu if (vlan_idx) { 2519cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2520cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2521cc495188SJianbo Liu return -EOPNOTSUPP; 2522cc495188SJianbo Liu 2523cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2524cc495188SJianbo Liu } else { 2525cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 252673867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 252773867881SPablo Neira Ayuso act->vlan.prio)) 2528cc495188SJianbo Liu return -EOPNOTSUPP; 2529cc495188SJianbo Liu 2530cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 25311482bd3dSJianbo Liu } 253273867881SPablo Neira Ayuso break; 253373867881SPablo Neira Ayuso default: 2534bdc837eeSEli Britstein return -EINVAL; 25351482bd3dSJianbo Liu } 25361482bd3dSJianbo Liu 2537cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2538cc495188SJianbo Liu 25391482bd3dSJianbo Liu return 0; 25401482bd3dSJianbo Liu } 25411482bd3dSJianbo Liu 254273867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 254373867881SPablo Neira Ayuso struct flow_action *flow_action, 2544d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2545e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2546e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2547a54e20b4SHadar Hen Zion { 254873867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 2549bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2550ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 25511d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 255273867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 255373867881SPablo Neira Ayuso const struct flow_action_entry *act; 2554a54e20b4SHadar Hen Zion bool encap = false; 25551cab1cd7SOr Gerlitz u32 action = 0; 2556244cd96aSCong Wang int err, i; 255703a9d11eSOr Gerlitz 255873867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 255903a9d11eSOr Gerlitz return -EINVAL; 256003a9d11eSOr Gerlitz 25611d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 256210ff5359SShahar Klein attr->in_mdev = priv->mdev; 256303a9d11eSOr Gerlitz 256473867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 256573867881SPablo Neira Ayuso switch (act->id) { 256673867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 25671cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 256803a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 256973867881SPablo Neira Ayuso break; 257073867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 257173867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 257273867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 2573c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2574d7e75a32SOr Gerlitz if (err) 2575d7e75a32SOr Gerlitz return err; 2576d7e75a32SOr Gerlitz 25771cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2578e85e02baSEli Britstein attr->split_count = attr->out_count; 257973867881SPablo Neira Ayuso break; 258073867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 25811cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 258273867881SPablo Neira Ayuso act->csum_flags, extack)) 258373867881SPablo Neira Ayuso break; 258426c02749SOr Gerlitz 258526c02749SOr Gerlitz return -EOPNOTSUPP; 258673867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 258773867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 258803a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2589592d3651SChris Mi struct net_device *out_dev; 259003a9d11eSOr Gerlitz 259173867881SPablo Neira Ayuso out_dev = act->dev; 2592ef381359SOz Shlomo if (!out_dev) { 2593ef381359SOz Shlomo /* out_dev is NULL when filters with 2594ef381359SOz Shlomo * non-existing mirred device are replayed to 2595ef381359SOz Shlomo * the driver. 2596ef381359SOz Shlomo */ 2597ef381359SOz Shlomo return -EINVAL; 2598ef381359SOz Shlomo } 259903a9d11eSOr Gerlitz 2600592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2601e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2602e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2603592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2604592d3651SChris Mi attr->out_count); 2605592d3651SChris Mi return -EOPNOTSUPP; 2606592d3651SChris Mi } 2607592d3651SChris Mi 2608f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2609f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 26106dcfa234SFlorian Fainelli if (netdev_port_same_parent_id(priv->netdev, 2611b1d90e6bSRabie Loulou out_dev) || 2612b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 26137ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 26147ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 26157ba58ba7SRabie Loulou struct net_device *uplink_upper = netdev_master_upper_dev_get(uplink_dev); 26167ba58ba7SRabie Loulou 26177ba58ba7SRabie Loulou if (uplink_upper && 26187ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 26197ba58ba7SRabie Loulou uplink_upper == out_dev) 26207ba58ba7SRabie Loulou out_dev = uplink_dev; 26217ba58ba7SRabie Loulou 2622a0646c88SEli Britstein if (!mlx5e_eswitch_rep(out_dev)) 2623a0646c88SEli Britstein return -EOPNOTSUPP; 2624a0646c88SEli Britstein 262503a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 26261d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2627df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 2628df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 2629df65a573SEli Britstein attr->out_count++; 2630a54e20b4SHadar Hen Zion } else if (encap) { 26318c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 26328c4dc42bSEli Britstein out_dev->ifindex; 26338c4dc42bSEli Britstein parse_attr->tun_info[attr->out_count] = *info; 26348c4dc42bSEli Britstein encap = false; 26353c37745eSOr Gerlitz attr->parse_attr = parse_attr; 2636f493f155SEli Britstein attr->dests[attr->out_count].flags |= 2637f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 26381cc26d74SEli Britstein attr->out_count++; 2639df65a573SEli Britstein /* attr->dests[].rep is resolved when we 2640df65a573SEli Britstein * handle encap 2641df65a573SEli Britstein */ 2642ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 2643ef381359SOz Shlomo /* All mlx5 devices are called to configure 2644ef381359SOz Shlomo * high level device filters. Therefore, the 2645ef381359SOz Shlomo * *attempt* to install a filter on invalid 2646ef381359SOz Shlomo * eswitch should not trigger an explicit error 2647ef381359SOz Shlomo */ 2648ef381359SOz Shlomo return -EINVAL; 2649a54e20b4SHadar Hen Zion } else { 2650e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2651e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2652a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2653a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2654a54e20b4SHadar Hen Zion return -EINVAL; 2655a54e20b4SHadar Hen Zion } 2656a54e20b4SHadar Hen Zion } 265773867881SPablo Neira Ayuso break; 265873867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 265973867881SPablo Neira Ayuso info = act->tunnel; 2660a54e20b4SHadar Hen Zion if (info) 2661a54e20b4SHadar Hen Zion encap = true; 2662a54e20b4SHadar Hen Zion else 2663a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 266403a9d11eSOr Gerlitz 266573867881SPablo Neira Ayuso break; 266673867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 266773867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 266876b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 266976b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 267076b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 267176b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 267276b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 267376b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 267476b496b1SEli Britstein act, parse_attr, hdrs, 267576b496b1SEli Britstein &action, extack); 267676b496b1SEli Britstein } else { 267773867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 267876b496b1SEli Britstein } 26791482bd3dSJianbo Liu if (err) 26801482bd3dSJianbo Liu return err; 26811482bd3dSJianbo Liu 2682e85e02baSEli Britstein attr->split_count = attr->out_count; 268373867881SPablo Neira Ayuso break; 2684bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2685bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2686bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 2687bdc837eeSEli Britstein act, parse_attr, hdrs, 2688bdc837eeSEli Britstein &action, extack); 2689bdc837eeSEli Britstein if (err) 2690bdc837eeSEli Britstein return err; 2691bdc837eeSEli Britstein 2692bdc837eeSEli Britstein attr->split_count = attr->out_count; 2693bdc837eeSEli Britstein break; 269473867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 26951cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 269673867881SPablo Neira Ayuso break; 269773867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 269873867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 2699bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2700bf07aa73SPaul Blakey 2701bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2702bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2703bf07aa73SPaul Blakey return -EOPNOTSUPP; 2704bf07aa73SPaul Blakey } 2705bf07aa73SPaul Blakey if (dest_chain > max_chain) { 2706bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 2707bf07aa73SPaul Blakey return -EOPNOTSUPP; 2708bf07aa73SPaul Blakey } 2709e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2710bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 271173867881SPablo Neira Ayuso break; 2712bf07aa73SPaul Blakey } 271373867881SPablo Neira Ayuso default: 271403a9d11eSOr Gerlitz return -EINVAL; 271503a9d11eSOr Gerlitz } 271673867881SPablo Neira Ayuso } 2717bdd66ac0SOr Gerlitz 2718c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2719c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2720c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 2721c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2722c500c86bSPablo Neira Ayuso if (err) 2723c500c86bSPablo Neira Ayuso return err; 2724c500c86bSPablo Neira Ayuso } 2725c500c86bSPablo Neira Ayuso 27261cab1cd7SOr Gerlitz attr->action = action; 272773867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2728bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2729bdd66ac0SOr Gerlitz 2730e88afe75SOr Gerlitz if (attr->dest_chain) { 2731e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 2732e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 2733e88afe75SOr Gerlitz return -EOPNOTSUPP; 2734e88afe75SOr Gerlitz } 2735e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2736e88afe75SOr Gerlitz } 2737e88afe75SOr Gerlitz 2738e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 2739e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2740e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 2741592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 2742592d3651SChris Mi return -EOPNOTSUPP; 2743592d3651SChris Mi } 2744592d3651SChris Mi 274531c8eba5SOr Gerlitz return 0; 274603a9d11eSOr Gerlitz } 274703a9d11eSOr Gerlitz 27485dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 274960bd4af8SOr Gerlitz { 27505dbe906fSPaul Blakey u16 __flow_flags = 0; 275160bd4af8SOr Gerlitz 275260bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 275360bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 275460bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 275560bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 275660bd4af8SOr Gerlitz 2757d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) 2758d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2759d9ee0491SOr Gerlitz if (flags & MLX5E_TC_NIC_OFFLOAD) 2760d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_NIC; 2761d9ee0491SOr Gerlitz 276260bd4af8SOr Gerlitz *flow_flags = __flow_flags; 276360bd4af8SOr Gerlitz } 276460bd4af8SOr Gerlitz 276505866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 276605866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 276705866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 276805866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 276905866c82SOr Gerlitz .automatic_shrinking = true, 277005866c82SOr Gerlitz }; 277105866c82SOr Gerlitz 2772d9ee0491SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, int flags) 277305866c82SOr Gerlitz { 2774655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2775655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 2776655dc3d2SOr Gerlitz 2777d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) { 2778655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2779ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 2780d9ee0491SOr Gerlitz } else /* NIC offload */ 278105866c82SOr Gerlitz return &priv->fs.tc.ht; 278205866c82SOr Gerlitz } 278305866c82SOr Gerlitz 278404de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 278504de7ddaSRoi Dayan { 27861418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2787b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 27881418ddd9SAviv Heller flow->flags & MLX5E_TC_FLOW_INGRESS; 27891418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 27901418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 27911418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 27921418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 27931418ddd9SAviv Heller 279410fbb1cdSRoi Dayan if (!esw_paired) 279510fbb1cdSRoi Dayan return false; 279610fbb1cdSRoi Dayan 279710fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 279810fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 279910fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 280010fbb1cdSRoi Dayan return true; 280110fbb1cdSRoi Dayan 280210fbb1cdSRoi Dayan return false; 280304de7ddaSRoi Dayan } 280404de7ddaSRoi Dayan 2805a88780a9SRoi Dayan static int 2806a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 28075dbe906fSPaul Blakey struct tc_cls_flower_offload *f, u16 flow_flags, 2808a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 2809a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2810e3a2b7edSAmir Vadai { 281117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 28123bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 2813a88780a9SRoi Dayan int err; 2814776b12b6SOr Gerlitz 281565ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 28161b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 281717091853SOr Gerlitz if (!parse_attr || !flow) { 2818e3a2b7edSAmir Vadai err = -ENOMEM; 2819e3a2b7edSAmir Vadai goto err_free; 2820e3a2b7edSAmir Vadai } 2821e3a2b7edSAmir Vadai 2822e3a2b7edSAmir Vadai flow->cookie = f->cookie; 282365ba8fb7SOr Gerlitz flow->flags = flow_flags; 2824655dc3d2SOr Gerlitz flow->priv = priv; 2825e3a2b7edSAmir Vadai 2826a88780a9SRoi Dayan *__flow = flow; 2827a88780a9SRoi Dayan *__parse_attr = parse_attr; 2828a88780a9SRoi Dayan 2829a88780a9SRoi Dayan return 0; 2830a88780a9SRoi Dayan 2831a88780a9SRoi Dayan err_free: 2832a88780a9SRoi Dayan kfree(flow); 2833a88780a9SRoi Dayan kvfree(parse_attr); 2834a88780a9SRoi Dayan return err; 2835adb4c123SOr Gerlitz } 2836adb4c123SOr Gerlitz 2837988ab9c7STonghao Zhang static void 2838988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 2839988ab9c7STonghao Zhang struct mlx5e_priv *priv, 2840988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 2841988ab9c7STonghao Zhang struct tc_cls_flower_offload *f, 2842988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 2843988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 2844988ab9c7STonghao Zhang { 2845988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2846988ab9c7STonghao Zhang 2847988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 2848988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 2849988ab9c7STonghao Zhang esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 2850988ab9c7STonghao Zhang 2851988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 2852988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 2853988ab9c7STonghao Zhang 2854988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 2855988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 2856988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 2857988ab9c7STonghao Zhang else 2858988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 2859988ab9c7STonghao Zhang } 2860988ab9c7STonghao Zhang 286171129676SJason Gunthorpe static struct mlx5e_tc_flow * 286204de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 2863a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 28645dbe906fSPaul Blakey u16 flow_flags, 2865d11afc26SOz Shlomo struct net_device *filter_dev, 286604de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 286771129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 2868a88780a9SRoi Dayan { 286973867881SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 2870a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2871a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2872a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2873a88780a9SRoi Dayan int attr_size, err; 2874a88780a9SRoi Dayan 2875a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2876a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 2877a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2878a88780a9SRoi Dayan &parse_attr, &flow); 2879a88780a9SRoi Dayan if (err) 2880a88780a9SRoi Dayan goto out; 2881988ab9c7STonghao Zhang 2882d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 2883988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 2884988ab9c7STonghao Zhang priv, parse_attr, 2885988ab9c7STonghao Zhang f, in_rep, in_mdev); 2886988ab9c7STonghao Zhang 288754c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 288854c177caSOz Shlomo f, filter_dev); 2889d11afc26SOz Shlomo if (err) 2890d11afc26SOz Shlomo goto err_free; 2891a88780a9SRoi Dayan 289273867881SPablo Neira Ayuso err = parse_tc_fdb_actions(priv, &rule->action, parse_attr, flow, extack); 2893a88780a9SRoi Dayan if (err) 2894a88780a9SRoi Dayan goto err_free; 2895a88780a9SRoi Dayan 28967040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 2897ef06c9eeSRoi Dayan if (err) { 2898ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 2899aa0cbbaeSOr Gerlitz goto err_free; 29005c40348cSOr Gerlitz 2901b4a23329SRoi Dayan add_unready_flow(flow); 2902ef06c9eeSRoi Dayan } 2903ef06c9eeSRoi Dayan 290471129676SJason Gunthorpe return flow; 2905e3a2b7edSAmir Vadai 2906e3a2b7edSAmir Vadai err_free: 2907232c0013SHadar Hen Zion kfree(flow); 2908a88780a9SRoi Dayan kvfree(parse_attr); 2909a88780a9SRoi Dayan out: 291071129676SJason Gunthorpe return ERR_PTR(err); 2911a88780a9SRoi Dayan } 2912a88780a9SRoi Dayan 291304de7ddaSRoi Dayan static int mlx5e_tc_add_fdb_peer_flow(struct tc_cls_flower_offload *f, 291495dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 291595dc1902SRoi Dayan u16 flow_flags) 291604de7ddaSRoi Dayan { 291704de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 291804de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 291904de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 292004de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 292104de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 292204de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 292304de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 292404de7ddaSRoi Dayan int err = 0; 292504de7ddaSRoi Dayan 292604de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 292704de7ddaSRoi Dayan if (!peer_esw) 292804de7ddaSRoi Dayan return -ENODEV; 292904de7ddaSRoi Dayan 293004de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 293104de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 293204de7ddaSRoi Dayan 293304de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 293404de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 293504de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 293604de7ddaSRoi Dayan * peer mdev. 293704de7ddaSRoi Dayan */ 2938b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 293904de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 294004de7ddaSRoi Dayan else 294104de7ddaSRoi Dayan in_mdev = priv->mdev; 294204de7ddaSRoi Dayan 294304de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 294495dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 294504de7ddaSRoi Dayan parse_attr->filter_dev, 294671129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 294771129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 294871129676SJason Gunthorpe err = PTR_ERR(peer_flow); 294904de7ddaSRoi Dayan goto out; 295071129676SJason Gunthorpe } 295104de7ddaSRoi Dayan 295204de7ddaSRoi Dayan flow->peer_flow = peer_flow; 295304de7ddaSRoi Dayan flow->flags |= MLX5E_TC_FLOW_DUP; 295404de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 295504de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 295604de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 295704de7ddaSRoi Dayan 295804de7ddaSRoi Dayan out: 295904de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 296004de7ddaSRoi Dayan return err; 296104de7ddaSRoi Dayan } 296204de7ddaSRoi Dayan 296304de7ddaSRoi Dayan static int 296404de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 296504de7ddaSRoi Dayan struct tc_cls_flower_offload *f, 296604de7ddaSRoi Dayan u16 flow_flags, 296704de7ddaSRoi Dayan struct net_device *filter_dev, 296804de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 296904de7ddaSRoi Dayan { 297004de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 297104de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 297204de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 297304de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 297404de7ddaSRoi Dayan int err; 297504de7ddaSRoi Dayan 297671129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 297771129676SJason Gunthorpe in_mdev); 297871129676SJason Gunthorpe if (IS_ERR(flow)) 297971129676SJason Gunthorpe return PTR_ERR(flow); 298004de7ddaSRoi Dayan 298104de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 298295dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 298304de7ddaSRoi Dayan if (err) { 298404de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 298504de7ddaSRoi Dayan goto out; 298604de7ddaSRoi Dayan } 298704de7ddaSRoi Dayan } 298804de7ddaSRoi Dayan 298904de7ddaSRoi Dayan *__flow = flow; 299004de7ddaSRoi Dayan 299104de7ddaSRoi Dayan return 0; 299204de7ddaSRoi Dayan 299304de7ddaSRoi Dayan out: 299404de7ddaSRoi Dayan return err; 299504de7ddaSRoi Dayan } 299604de7ddaSRoi Dayan 2997a88780a9SRoi Dayan static int 2998a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 2999a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 30005dbe906fSPaul Blakey u16 flow_flags, 3001d11afc26SOz Shlomo struct net_device *filter_dev, 3002a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3003a88780a9SRoi Dayan { 300473867881SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 3005a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3006a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3007a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3008a88780a9SRoi Dayan int attr_size, err; 3009a88780a9SRoi Dayan 3010bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3011bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3012bf07aa73SPaul Blakey return -EOPNOTSUPP; 3013bf07aa73SPaul Blakey 3014a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 3015a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3016a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3017a88780a9SRoi Dayan &parse_attr, &flow); 3018a88780a9SRoi Dayan if (err) 3019a88780a9SRoi Dayan goto out; 3020a88780a9SRoi Dayan 3021d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 302254c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 302354c177caSOz Shlomo f, filter_dev); 3024d11afc26SOz Shlomo if (err) 3025d11afc26SOz Shlomo goto err_free; 3026d11afc26SOz Shlomo 302773867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3028a88780a9SRoi Dayan if (err) 3029a88780a9SRoi Dayan goto err_free; 3030a88780a9SRoi Dayan 3031a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3032a88780a9SRoi Dayan if (err) 3033a88780a9SRoi Dayan goto err_free; 3034a88780a9SRoi Dayan 3035a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 3036a88780a9SRoi Dayan kvfree(parse_attr); 3037a88780a9SRoi Dayan *__flow = flow; 3038a88780a9SRoi Dayan 3039a88780a9SRoi Dayan return 0; 3040a88780a9SRoi Dayan 3041a88780a9SRoi Dayan err_free: 3042a88780a9SRoi Dayan kfree(flow); 3043a88780a9SRoi Dayan kvfree(parse_attr); 3044a88780a9SRoi Dayan out: 3045a88780a9SRoi Dayan return err; 3046a88780a9SRoi Dayan } 3047a88780a9SRoi Dayan 3048a88780a9SRoi Dayan static int 3049a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3050a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 3051a88780a9SRoi Dayan int flags, 3052d11afc26SOz Shlomo struct net_device *filter_dev, 3053a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3054a88780a9SRoi Dayan { 3055a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 30565dbe906fSPaul Blakey u16 flow_flags; 3057a88780a9SRoi Dayan int err; 3058a88780a9SRoi Dayan 3059a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3060a88780a9SRoi Dayan 3061bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3062bf07aa73SPaul Blakey return -EOPNOTSUPP; 3063bf07aa73SPaul Blakey 3064a88780a9SRoi Dayan if (esw && esw->mode == SRIOV_OFFLOADS) 3065d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3066d11afc26SOz Shlomo filter_dev, flow); 3067a88780a9SRoi Dayan else 3068d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3069d11afc26SOz Shlomo filter_dev, flow); 3070a88780a9SRoi Dayan 3071a88780a9SRoi Dayan return err; 3072a88780a9SRoi Dayan } 3073a88780a9SRoi Dayan 307471d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3075a88780a9SRoi Dayan struct tc_cls_flower_offload *f, int flags) 3076a88780a9SRoi Dayan { 3077a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3078d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3079a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3080a88780a9SRoi Dayan int err = 0; 3081a88780a9SRoi Dayan 3082a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3083a88780a9SRoi Dayan if (flow) { 3084a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3085a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3086a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3087a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3088a88780a9SRoi Dayan f->cookie); 3089a88780a9SRoi Dayan goto out; 3090a88780a9SRoi Dayan } 3091a88780a9SRoi Dayan 3092d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3093a88780a9SRoi Dayan if (err) 3094a88780a9SRoi Dayan goto out; 3095a88780a9SRoi Dayan 3096a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 3097a88780a9SRoi Dayan if (err) 3098a88780a9SRoi Dayan goto err_free; 3099a88780a9SRoi Dayan 3100a88780a9SRoi Dayan return 0; 3101a88780a9SRoi Dayan 3102a88780a9SRoi Dayan err_free: 3103a88780a9SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3104a88780a9SRoi Dayan kfree(flow); 3105a88780a9SRoi Dayan out: 3106e3a2b7edSAmir Vadai return err; 3107e3a2b7edSAmir Vadai } 3108e3a2b7edSAmir Vadai 31098f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 31108f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 31118f8ae895SOr Gerlitz 31128f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 31138f8ae895SOr Gerlitz { 31148f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 31158f8ae895SOr Gerlitz return true; 31168f8ae895SOr Gerlitz 31178f8ae895SOr Gerlitz return false; 31188f8ae895SOr Gerlitz } 31198f8ae895SOr Gerlitz 312071d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 312160bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3122e3a2b7edSAmir Vadai { 3123d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3124e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3125e3a2b7edSAmir Vadai 312605866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 31278f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3128e3a2b7edSAmir Vadai return -EINVAL; 3129e3a2b7edSAmir Vadai 313005866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3131e3a2b7edSAmir Vadai 3132961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3133e3a2b7edSAmir Vadai 3134e3a2b7edSAmir Vadai kfree(flow); 3135e3a2b7edSAmir Vadai 3136e3a2b7edSAmir Vadai return 0; 3137e3a2b7edSAmir Vadai } 3138e3a2b7edSAmir Vadai 313971d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 314060bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3141aad7e08dSAmir Vadai { 314204de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3143d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 314404de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3145aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3146aad7e08dSAmir Vadai struct mlx5_fc *counter; 3147316d5f72SRoi Dayan u64 lastuse = 0; 3148316d5f72SRoi Dayan u64 packets = 0; 3149316d5f72SRoi Dayan u64 bytes = 0; 3150aad7e08dSAmir Vadai 315105866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 31528f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3153aad7e08dSAmir Vadai return -EINVAL; 3154aad7e08dSAmir Vadai 3155316d5f72SRoi Dayan if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 3156b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3157aad7e08dSAmir Vadai if (!counter) 3158aad7e08dSAmir Vadai return 0; 3159aad7e08dSAmir Vadai 3160aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3161316d5f72SRoi Dayan } 3162aad7e08dSAmir Vadai 3163316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3164316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3165316d5f72SRoi Dayan */ 316604de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 316704de7ddaSRoi Dayan if (!peer_esw) 316804de7ddaSRoi Dayan goto out; 316904de7ddaSRoi Dayan 317004de7ddaSRoi Dayan if ((flow->flags & MLX5E_TC_FLOW_DUP) && 317104de7ddaSRoi Dayan (flow->peer_flow->flags & MLX5E_TC_FLOW_OFFLOADED)) { 317204de7ddaSRoi Dayan u64 bytes2; 317304de7ddaSRoi Dayan u64 packets2; 317404de7ddaSRoi Dayan u64 lastuse2; 317504de7ddaSRoi Dayan 317604de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3177316d5f72SRoi Dayan if (!counter) 3178316d5f72SRoi Dayan goto no_peer_counter; 317904de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 318004de7ddaSRoi Dayan 318104de7ddaSRoi Dayan bytes += bytes2; 318204de7ddaSRoi Dayan packets += packets2; 318304de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 318404de7ddaSRoi Dayan } 318504de7ddaSRoi Dayan 3186316d5f72SRoi Dayan no_peer_counter: 318704de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 318804de7ddaSRoi Dayan out: 31893b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 3190fed06ee8SOr Gerlitz 3191aad7e08dSAmir Vadai return 0; 3192aad7e08dSAmir Vadai } 3193aad7e08dSAmir Vadai 31944d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 31954d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 31964d8fcf21SAlaa Hleihel { 31974d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 31984d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 31994d8fcf21SAlaa Hleihel u16 peer_vhca_id; 32004d8fcf21SAlaa Hleihel int bkt; 32014d8fcf21SAlaa Hleihel 32024d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 32034d8fcf21SAlaa Hleihel return; 32044d8fcf21SAlaa Hleihel 32054d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 32064d8fcf21SAlaa Hleihel 32074d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 32084d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 32094d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 32104d8fcf21SAlaa Hleihel } 32114d8fcf21SAlaa Hleihel } 32124d8fcf21SAlaa Hleihel 32134d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 32144d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 32154d8fcf21SAlaa Hleihel { 32164d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 32174d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 32184d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 32194d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 32204d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 32214d8fcf21SAlaa Hleihel 32224d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 32234d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 32244d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 32254d8fcf21SAlaa Hleihel return NOTIFY_DONE; 32264d8fcf21SAlaa Hleihel 32274d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 32284d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 32294d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 32304d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 32314d8fcf21SAlaa Hleihel if (priv == peer_priv || 32324d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 32334d8fcf21SAlaa Hleihel return NOTIFY_DONE; 32344d8fcf21SAlaa Hleihel 32354d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 32364d8fcf21SAlaa Hleihel 32374d8fcf21SAlaa Hleihel return NOTIFY_DONE; 32384d8fcf21SAlaa Hleihel } 32394d8fcf21SAlaa Hleihel 3240655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3241e8f887acSAmir Vadai { 3242acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 32434d8fcf21SAlaa Hleihel int err; 3244e8f887acSAmir Vadai 324511c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 32465c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 324711c9c548SOr Gerlitz 32484d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 32494d8fcf21SAlaa Hleihel if (err) 32504d8fcf21SAlaa Hleihel return err; 32514d8fcf21SAlaa Hleihel 32524d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 32534d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 32544d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 32554d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 32564d8fcf21SAlaa Hleihel } 32574d8fcf21SAlaa Hleihel 32584d8fcf21SAlaa Hleihel return err; 3259e8f887acSAmir Vadai } 3260e8f887acSAmir Vadai 3261e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3262e8f887acSAmir Vadai { 3263e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3264655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3265e8f887acSAmir Vadai 3266961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3267e8f887acSAmir Vadai kfree(flow); 3268e8f887acSAmir Vadai } 3269e8f887acSAmir Vadai 3270655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3271e8f887acSAmir Vadai { 3272acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3273e8f887acSAmir Vadai 32744d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 32754d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 32764d8fcf21SAlaa Hleihel 3277d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 3278e8f887acSAmir Vadai 3279acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3280acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3281acff797cSMaor Gottlieb tc->t = NULL; 3282e8f887acSAmir Vadai } 3283e8f887acSAmir Vadai } 3284655dc3d2SOr Gerlitz 3285655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3286655dc3d2SOr Gerlitz { 3287655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3288655dc3d2SOr Gerlitz } 3289655dc3d2SOr Gerlitz 3290655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3291655dc3d2SOr Gerlitz { 3292655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3293655dc3d2SOr Gerlitz } 329401252a27SOr Gerlitz 3295d9ee0491SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv, int flags) 329601252a27SOr Gerlitz { 3297d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 329801252a27SOr Gerlitz 329901252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 330001252a27SOr Gerlitz } 330104de7ddaSRoi Dayan 330204de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 330304de7ddaSRoi Dayan { 330404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 330504de7ddaSRoi Dayan 330604de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 330704de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 330804de7ddaSRoi Dayan } 3309b4a23329SRoi Dayan 3310b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 3311b4a23329SRoi Dayan { 3312b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 3313b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 3314b4a23329SRoi Dayan reoffload_flows_work); 3315b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 3316b4a23329SRoi Dayan 3317b4a23329SRoi Dayan rtnl_lock(); 3318b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 3319b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 3320b4a23329SRoi Dayan remove_unready_flow(flow); 3321b4a23329SRoi Dayan } 3322b4a23329SRoi Dayan rtnl_unlock(); 3323b4a23329SRoi Dayan } 3324