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 14418377629eSEli Britstein static void *get_match_headers_criteria(u32 flags, 14428377629eSEli Britstein struct mlx5_flow_spec *spec) 14438377629eSEli Britstein { 14448377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 14458377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 14468377629eSEli Britstein inner_headers) : 14478377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 14488377629eSEli Britstein outer_headers); 14498377629eSEli Britstein } 14508377629eSEli Britstein 14518377629eSEli Britstein static void *get_match_headers_value(u32 flags, 14528377629eSEli Britstein struct mlx5_flow_spec *spec) 14538377629eSEli Britstein { 14548377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 14558377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 14568377629eSEli Britstein inner_headers) : 14578377629eSEli Britstein MLX5_ADDR_OF(fte_match_param, spec->match_value, 14588377629eSEli Britstein outer_headers); 14598377629eSEli Britstein } 14608377629eSEli Britstein 1461de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1462de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1463de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 146454c177caSOz Shlomo struct net_device *filter_dev, 14656363651dSOr Gerlitz u8 *match_level, u8 *tunnel_match_level) 1466e3a2b7edSAmir Vadai { 1467e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1468c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1469c5bb1730SMaor Gottlieb outer_headers); 1470c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1471c5bb1730SMaor Gottlieb outer_headers); 1472699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1473699e96ddSJianbo Liu misc_parameters); 1474699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1475699e96ddSJianbo Liu misc_parameters); 14768f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 14778f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1478e3a2b7edSAmir Vadai u16 addr_type = 0; 1479e3a2b7edSAmir Vadai u8 ip_proto = 0; 1480e3a2b7edSAmir Vadai 1481d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1482de0af0bfSRoi Dayan 14838f256622SPablo Neira Ayuso if (dissector->used_keys & 1484e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1485e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1486e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1487095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1488699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1489e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1490e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1491bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1492bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1493bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1494bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1495bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1496e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1497fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1498bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 1499bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { 1500e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1501e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 15028f256622SPablo Neira Ayuso dissector->used_keys); 1503e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1504e3a2b7edSAmir Vadai } 1505e3a2b7edSAmir Vadai 15068f256622SPablo Neira Ayuso if ((flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 15078f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID) || 15088f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 15098f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 15108f256622SPablo Neira Ayuso struct flow_match_control match; 15118f256622SPablo Neira Ayuso 15128f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &match); 15138f256622SPablo Neira Ayuso switch (match.key->addr_type) { 1514bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 151519f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 15166363651dSOr Gerlitz if (parse_tunnel_attr(priv, spec, f, filter_dev, tunnel_match_level)) 1517bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1518bbd00f7eSHadar Hen Zion break; 1519bbd00f7eSHadar Hen Zion default: 1520bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1521bbd00f7eSHadar Hen Zion } 1522bbd00f7eSHadar Hen Zion 1523bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1524bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1525bbd00f7eSHadar Hen Zion */ 15268377629eSEli Britstein headers_c = get_match_headers_criteria(MLX5_FLOW_CONTEXT_ACTION_DECAP, 15278377629eSEli Britstein spec); 15288377629eSEli Britstein headers_v = get_match_headers_value(MLX5_FLOW_CONTEXT_ACTION_DECAP, 15298377629eSEli Britstein spec); 1530bbd00f7eSHadar Hen Zion } 1531bbd00f7eSHadar Hen Zion 15328f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 15338f256622SPablo Neira Ayuso struct flow_match_basic match; 1534e3a2b7edSAmir Vadai 15358f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 15368f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 15378f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 15388f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 15398f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 15408f256622SPablo Neira Ayuso 15418f256622SPablo Neira Ayuso if (match.mask->n_proto) 1542d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1543e3a2b7edSAmir Vadai } 1544e3a2b7edSAmir Vadai 15458f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) { 15468f256622SPablo Neira Ayuso struct flow_match_vlan match; 15478f256622SPablo Neira Ayuso 15488f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15498f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15508f256622SPablo Neira Ayuso match.mask->vlan_priority || 15518f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15528f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1553699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1554699e96ddSJianbo Liu svlan_tag, 1); 1555699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1556699e96ddSJianbo Liu svlan_tag, 1); 1557699e96ddSJianbo Liu } else { 1558699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1559699e96ddSJianbo Liu cvlan_tag, 1); 1560699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1561699e96ddSJianbo Liu cvlan_tag, 1); 1562699e96ddSJianbo Liu } 1563095b6cfdSOr Gerlitz 15648f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 15658f256622SPablo Neira Ayuso match.mask->vlan_id); 15668f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 15678f256622SPablo Neira Ayuso match.key->vlan_id); 1568358d79a4SOr Gerlitz 15698f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 15708f256622SPablo Neira Ayuso match.mask->vlan_priority); 15718f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 15728f256622SPablo Neira Ayuso match.key->vlan_priority); 157354782900SOr Gerlitz 1574d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1575095b6cfdSOr Gerlitz } 1576d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1577cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1578cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1579d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1580095b6cfdSOr Gerlitz } 1581095b6cfdSOr Gerlitz 15828f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 15838f256622SPablo Neira Ayuso struct flow_match_vlan match; 15848f256622SPablo Neira Ayuso 15858f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15868f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15878f256622SPablo Neira Ayuso match.mask->vlan_priority || 15888f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15898f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1590699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1591699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1592699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1593699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1594699e96ddSJianbo Liu } else { 1595699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1596699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1597699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1598699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1599699e96ddSJianbo Liu } 1600699e96ddSJianbo Liu 1601699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 16028f256622SPablo Neira Ayuso match.mask->vlan_id); 1603699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 16048f256622SPablo Neira Ayuso match.key->vlan_id); 1605699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 16068f256622SPablo Neira Ayuso match.mask->vlan_priority); 1607699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 16088f256622SPablo Neira Ayuso match.key->vlan_priority); 1609699e96ddSJianbo Liu 1610699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1611699e96ddSJianbo Liu } 1612699e96ddSJianbo Liu } 1613699e96ddSJianbo Liu 16148f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 16158f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 161654782900SOr Gerlitz 16178f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1618d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1619d3a80bb5SOr Gerlitz dmac_47_16), 16208f256622SPablo Neira Ayuso match.mask->dst); 1621d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1622d3a80bb5SOr Gerlitz dmac_47_16), 16238f256622SPablo Neira Ayuso match.key->dst); 1624d3a80bb5SOr Gerlitz 1625d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1626d3a80bb5SOr Gerlitz smac_47_16), 16278f256622SPablo Neira Ayuso match.mask->src); 1628d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1629d3a80bb5SOr Gerlitz smac_47_16), 16308f256622SPablo Neira Ayuso match.key->src); 1631d3a80bb5SOr Gerlitz 16328f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 16338f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1634d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 163554782900SOr Gerlitz } 163654782900SOr Gerlitz 16378f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 16388f256622SPablo Neira Ayuso struct flow_match_control match; 163954782900SOr Gerlitz 16408f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 16418f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 164254782900SOr Gerlitz 164354782900SOr Gerlitz /* the HW doesn't support frag first/later */ 16448f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 164554782900SOr Gerlitz return -EOPNOTSUPP; 164654782900SOr Gerlitz 16478f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 164854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 164954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 16508f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 165154782900SOr Gerlitz 165254782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 16538f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 165483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 165554782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 165654782900SOr Gerlitz else 165783621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 165854782900SOr Gerlitz } 165954782900SOr Gerlitz } 166054782900SOr Gerlitz 16618f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 16628f256622SPablo Neira Ayuso struct flow_match_basic match; 16638f256622SPablo Neira Ayuso 16648f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 16658f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 166654782900SOr Gerlitz 166754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 16688f256622SPablo Neira Ayuso match.mask->ip_proto); 166954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 16708f256622SPablo Neira Ayuso match.key->ip_proto); 167154782900SOr Gerlitz 16728f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1673d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 167454782900SOr Gerlitz } 167554782900SOr Gerlitz 1676e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 16778f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1678e3a2b7edSAmir Vadai 16798f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1680e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1681e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16828f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1683e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1684e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16858f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1686e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1687e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16888f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1689e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1690e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16918f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1692de0af0bfSRoi Dayan 16938f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1694d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1695e3a2b7edSAmir Vadai } 1696e3a2b7edSAmir Vadai 1697e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 16988f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1699e3a2b7edSAmir Vadai 17008f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1701e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1702e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 17038f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1704e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1705e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 17068f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1707e3a2b7edSAmir Vadai 1708e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1709e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 17108f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1711e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1712e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 17138f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1714de0af0bfSRoi Dayan 17158f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 17168f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 1717d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1718e3a2b7edSAmir Vadai } 1719e3a2b7edSAmir Vadai 17208f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 17218f256622SPablo Neira Ayuso struct flow_match_ip match; 17221f97a526SOr Gerlitz 17238f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 17248f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 17258f256622SPablo Neira Ayuso match.mask->tos & 0x3); 17268f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 17278f256622SPablo Neira Ayuso match.key->tos & 0x3); 17281f97a526SOr Gerlitz 17298f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 17308f256622SPablo Neira Ayuso match.mask->tos >> 2); 17318f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 17328f256622SPablo Neira Ayuso match.key->tos >> 2); 17331f97a526SOr Gerlitz 17348f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 17358f256622SPablo Neira Ayuso match.mask->ttl); 17368f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 17378f256622SPablo Neira Ayuso match.key->ttl); 17381f97a526SOr Gerlitz 17398f256622SPablo Neira Ayuso if (match.mask->ttl && 1740a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1741e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1742e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1743e98bedf5SEli Britstein "Matching on TTL is not supported"); 17441f97a526SOr Gerlitz return -EOPNOTSUPP; 1745e98bedf5SEli Britstein } 1746a8ade55fSOr Gerlitz 17478f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 1748d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 17491f97a526SOr Gerlitz } 17501f97a526SOr Gerlitz 175154782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 175254782900SOr Gerlitz 17538f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 17548f256622SPablo Neira Ayuso struct flow_match_ports match; 17558f256622SPablo Neira Ayuso 17568f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 1757e3a2b7edSAmir Vadai switch (ip_proto) { 1758e3a2b7edSAmir Vadai case IPPROTO_TCP: 1759e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17608f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 1761e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17628f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 1763e3a2b7edSAmir Vadai 1764e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17658f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 1766e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17678f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 1768e3a2b7edSAmir Vadai break; 1769e3a2b7edSAmir Vadai 1770e3a2b7edSAmir Vadai case IPPROTO_UDP: 1771e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17728f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 1773e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17748f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 1775e3a2b7edSAmir Vadai 1776e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17778f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 1778e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17798f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 1780e3a2b7edSAmir Vadai break; 1781e3a2b7edSAmir Vadai default: 1782e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1783e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1784e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1785e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1786e3a2b7edSAmir Vadai return -EINVAL; 1787e3a2b7edSAmir Vadai } 1788de0af0bfSRoi Dayan 17898f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1790d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1791e3a2b7edSAmir Vadai } 1792e3a2b7edSAmir Vadai 17938f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 17948f256622SPablo Neira Ayuso struct flow_match_tcp match; 1795e77834ecSOr Gerlitz 17968f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 1797e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 17988f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 1799e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 18008f256622SPablo Neira Ayuso ntohs(match.key->flags)); 1801e77834ecSOr Gerlitz 18028f256622SPablo Neira Ayuso if (match.mask->flags) 1803d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1804e77834ecSOr Gerlitz } 1805e77834ecSOr Gerlitz 1806e3a2b7edSAmir Vadai return 0; 1807e3a2b7edSAmir Vadai } 1808e3a2b7edSAmir Vadai 1809de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 181065ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1811de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 181254c177caSOz Shlomo struct tc_cls_flower_offload *f, 181354c177caSOz Shlomo struct net_device *filter_dev) 1814de0af0bfSRoi Dayan { 1815e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1816de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1817de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 18181d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 18196363651dSOr Gerlitz u8 match_level, tunnel_match_level = MLX5_MATCH_NONE; 18201d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1821de0af0bfSRoi Dayan int err; 1822de0af0bfSRoi Dayan 18236363651dSOr Gerlitz err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level, &tunnel_match_level); 1824de0af0bfSRoi Dayan 18251d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 18261d447a39SSaeed Mahameed rep = rpriv->rep; 1827b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 18281d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1829d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1830e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1831e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1832de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1833de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1834d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1835de0af0bfSRoi Dayan return -EOPNOTSUPP; 1836de0af0bfSRoi Dayan } 1837de0af0bfSRoi Dayan } 1838de0af0bfSRoi Dayan 18396363651dSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 184038aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 18416363651dSOr Gerlitz flow->esw_attr->tunnel_match_level = tunnel_match_level; 18426363651dSOr Gerlitz } else { 184338aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 18446363651dSOr Gerlitz } 184538aa51c1SOr Gerlitz 1846de0af0bfSRoi Dayan return err; 1847de0af0bfSRoi Dayan } 1848de0af0bfSRoi Dayan 1849d79b6df6SOr Gerlitz struct pedit_headers { 1850d79b6df6SOr Gerlitz struct ethhdr eth; 18510eb69bb9SEli Britstein struct vlan_hdr vlan; 1852d79b6df6SOr Gerlitz struct iphdr ip4; 1853d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1854d79b6df6SOr Gerlitz struct tcphdr tcp; 1855d79b6df6SOr Gerlitz struct udphdr udp; 1856d79b6df6SOr Gerlitz }; 1857d79b6df6SOr Gerlitz 1858c500c86bSPablo Neira Ayuso struct pedit_headers_action { 1859c500c86bSPablo Neira Ayuso struct pedit_headers vals; 1860c500c86bSPablo Neira Ayuso struct pedit_headers masks; 1861c500c86bSPablo Neira Ayuso u32 pedits; 1862c500c86bSPablo Neira Ayuso }; 1863c500c86bSPablo Neira Ayuso 1864d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 186573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 186673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 186773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 186873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 186973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1870d79b6df6SOr Gerlitz }; 1871d79b6df6SOr Gerlitz 1872d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1873d79b6df6SOr Gerlitz 1874d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1875c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 1876d79b6df6SOr Gerlitz { 1877d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1878d79b6df6SOr Gerlitz 1879c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 1880c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 1881d79b6df6SOr Gerlitz 1882d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1883d79b6df6SOr Gerlitz goto out_err; 1884d79b6df6SOr Gerlitz 1885d79b6df6SOr Gerlitz *curr_pmask |= mask; 1886d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1887d79b6df6SOr Gerlitz 1888d79b6df6SOr Gerlitz return 0; 1889d79b6df6SOr Gerlitz 1890d79b6df6SOr Gerlitz out_err: 1891d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1892d79b6df6SOr Gerlitz } 1893d79b6df6SOr Gerlitz 1894d79b6df6SOr Gerlitz struct mlx5_fields { 1895d79b6df6SOr Gerlitz u8 field; 1896d79b6df6SOr Gerlitz u8 size; 1897d79b6df6SOr Gerlitz u32 offset; 1898d79b6df6SOr Gerlitz }; 1899d79b6df6SOr Gerlitz 1900a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1901a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1902a8e4f0c4SOr Gerlitz 1903d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1904a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1905a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1906a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1907a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1908a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 19090eb69bb9SEli Britstein OFFLOAD(FIRST_VID, 2, vlan.h_vlan_TCI, 0), 1910d79b6df6SOr Gerlitz 1911a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1912a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1913a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1914d79b6df6SOr Gerlitz 1915a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1916a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1917a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1918a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1919a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1920a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1921a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1922a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 19230c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1924d79b6df6SOr Gerlitz 1925a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1926a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1927a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1928d79b6df6SOr Gerlitz 1929a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1930a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1931d79b6df6SOr Gerlitz }; 1932d79b6df6SOr Gerlitz 1933218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 1934218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 1935218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 1936d79b6df6SOr Gerlitz */ 1937c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 1938e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1939e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1940d79b6df6SOr Gerlitz { 1941d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 19422b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1943d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1944d79b6df6SOr Gerlitz struct mlx5_fields *f; 1945d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1946e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1947d79b6df6SOr Gerlitz unsigned long mask; 19482b64bebaSOr Gerlitz __be32 mask_be32; 19492b64bebaSOr Gerlitz __be16 mask_be16; 1950d79b6df6SOr Gerlitz void *action; 1951d79b6df6SOr Gerlitz 195273867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 195373867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 195473867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 195573867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 1956d79b6df6SOr Gerlitz 1957d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1958218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 1959218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 1960218d05ceSTonghao Zhang 1961218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 1962218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 1963d79b6df6SOr Gerlitz 1964d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1965d79b6df6SOr Gerlitz f = &fields[i]; 1966d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1967e3ca4e05SOr Gerlitz s_mask = 0; 1968e3ca4e05SOr Gerlitz a_mask = 0; 1969d79b6df6SOr Gerlitz 1970d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1971d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1972d79b6df6SOr Gerlitz 1973d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1974d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1975d79b6df6SOr Gerlitz 1976d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1977d79b6df6SOr Gerlitz continue; 1978d79b6df6SOr Gerlitz 1979d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1980e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1981e98bedf5SEli Britstein "can't set and add to the same HW field"); 1982d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1983d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1984d79b6df6SOr Gerlitz } 1985d79b6df6SOr Gerlitz 1986d79b6df6SOr Gerlitz if (nactions == max_actions) { 1987e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1988e98bedf5SEli Britstein "too many pedit actions, can't offload"); 1989d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1990d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1991d79b6df6SOr Gerlitz } 1992d79b6df6SOr Gerlitz 1993d79b6df6SOr Gerlitz if (s_mask) { 1994d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1995d79b6df6SOr Gerlitz mask = s_mask; 1996d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1997d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1998d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1999d79b6df6SOr Gerlitz } else { 2000d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2001d79b6df6SOr Gerlitz mask = a_mask; 2002d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 2003d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 2004d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 2005d79b6df6SOr Gerlitz } 2006d79b6df6SOr Gerlitz 2007d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 2008e3ca4e05SOr Gerlitz 20092b64bebaSOr Gerlitz if (field_bsize == 32) { 20102b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 20112b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 20122b64bebaSOr Gerlitz } else if (field_bsize == 16) { 20132b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 20142b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 20152b64bebaSOr Gerlitz } 20162b64bebaSOr Gerlitz 2017d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 20182b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 2019d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 20202b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2021e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2022e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 20232b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2024d79b6df6SOr Gerlitz mask); 2025d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2026d79b6df6SOr Gerlitz } 2027d79b6df6SOr Gerlitz 2028d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2029d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2030d79b6df6SOr Gerlitz 2031d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 20322b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 2033d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 20342b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2035d79b6df6SOr Gerlitz } 2036d79b6df6SOr Gerlitz 2037d79b6df6SOr Gerlitz if (field_bsize == 32) 20382b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 2039d79b6df6SOr Gerlitz else if (field_bsize == 16) 20402b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 2041d79b6df6SOr Gerlitz else if (field_bsize == 8) 20422b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2043d79b6df6SOr Gerlitz 2044d79b6df6SOr Gerlitz action += action_size; 2045d79b6df6SOr Gerlitz nactions++; 2046d79b6df6SOr Gerlitz } 2047d79b6df6SOr Gerlitz 2048d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2049d79b6df6SOr Gerlitz return 0; 2050d79b6df6SOr Gerlitz } 2051d79b6df6SOr Gerlitz 20522cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 20532cc1cb1dSTonghao Zhang int namespace) 20542cc1cb1dSTonghao Zhang { 20552cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 20562cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 20572cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 20582cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 20592cc1cb1dSTonghao Zhang } 20602cc1cb1dSTonghao Zhang 2061d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2062c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2063c500c86bSPablo Neira Ayuso int namespace, 2064d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2065d79b6df6SOr Gerlitz { 2066d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2067d79b6df6SOr Gerlitz 2068c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2069c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2070d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2071d79b6df6SOr Gerlitz 20722cc1cb1dSTonghao Zhang max_actions = mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace); 2073d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2074d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2075d79b6df6SOr Gerlitz 2076d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2077d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2078d79b6df6SOr Gerlitz return -ENOMEM; 2079d79b6df6SOr Gerlitz 2080218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2081d79b6df6SOr Gerlitz return 0; 2082d79b6df6SOr Gerlitz } 2083d79b6df6SOr Gerlitz 2084d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2085d79b6df6SOr Gerlitz 2086d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 208773867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2088e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2089c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2090e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2091d79b6df6SOr Gerlitz { 209273867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 209373867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2094d79b6df6SOr Gerlitz u32 mask, val, offset; 209573867881SPablo Neira Ayuso u8 htype; 2096d79b6df6SOr Gerlitz 209773867881SPablo Neira Ayuso htype = act->mangle.htype; 2098d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2099d79b6df6SOr Gerlitz 210073867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 210173867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2102d79b6df6SOr Gerlitz goto out_err; 2103d79b6df6SOr Gerlitz } 2104d79b6df6SOr Gerlitz 21052cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 21062cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 21072cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 21082cc1cb1dSTonghao Zhang goto out_err; 21092cc1cb1dSTonghao Zhang } 21102cc1cb1dSTonghao Zhang 211173867881SPablo Neira Ayuso mask = act->mangle.mask; 211273867881SPablo Neira Ayuso val = act->mangle.val; 211373867881SPablo Neira Ayuso offset = act->mangle.offset; 2114d79b6df6SOr Gerlitz 2115c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2116d79b6df6SOr Gerlitz if (err) 2117d79b6df6SOr Gerlitz goto out_err; 2118c500c86bSPablo Neira Ayuso 2119c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2120d79b6df6SOr Gerlitz 2121c500c86bSPablo Neira Ayuso return 0; 2122c500c86bSPablo Neira Ayuso out_err: 2123c500c86bSPablo Neira Ayuso return err; 2124c500c86bSPablo Neira Ayuso } 2125c500c86bSPablo Neira Ayuso 2126c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2127c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2128c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2129c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2130c500c86bSPablo Neira Ayuso { 2131c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2132c500c86bSPablo Neira Ayuso int err; 2133c500c86bSPablo Neira Ayuso u8 cmd; 2134c500c86bSPablo Neira Ayuso 2135218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2136c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2137d79b6df6SOr Gerlitz if (err) 2138d79b6df6SOr Gerlitz goto out_err; 2139218d05ceSTonghao Zhang } 2140d79b6df6SOr Gerlitz 2141c500c86bSPablo Neira Ayuso err = offload_pedit_fields(hdrs, parse_attr, extack); 2142d79b6df6SOr Gerlitz if (err < 0) 2143d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2144d79b6df6SOr Gerlitz 2145d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2146c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2147d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2148e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2149e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2150b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2151d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2152d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2153d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2154d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2155d79b6df6SOr Gerlitz } 2156d79b6df6SOr Gerlitz } 2157d79b6df6SOr Gerlitz 2158d79b6df6SOr Gerlitz return 0; 2159d79b6df6SOr Gerlitz 2160d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2161d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2162d79b6df6SOr Gerlitz out_err: 2163d79b6df6SOr Gerlitz return err; 2164d79b6df6SOr Gerlitz } 2165d79b6df6SOr Gerlitz 2166e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2167e98bedf5SEli Britstein u32 action, 2168e98bedf5SEli Britstein u32 update_flags, 2169e98bedf5SEli Britstein struct netlink_ext_ack *extack) 217026c02749SOr Gerlitz { 217126c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 217226c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 217326c02749SOr Gerlitz 217426c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 217526c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2176e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2177e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 217826c02749SOr Gerlitz netdev_warn(priv->netdev, 217926c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 218026c02749SOr Gerlitz return false; 218126c02749SOr Gerlitz } 218226c02749SOr Gerlitz 218326c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2184e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2185e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 218626c02749SOr Gerlitz netdev_warn(priv->netdev, 218726c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 218826c02749SOr Gerlitz update_flags); 218926c02749SOr Gerlitz return false; 219026c02749SOr Gerlitz } 219126c02749SOr Gerlitz 219226c02749SOr Gerlitz return true; 219326c02749SOr Gerlitz } 219426c02749SOr Gerlitz 2195bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 219673867881SPablo Neira Ayuso struct flow_action *flow_action, 21971651925dSGuy Shattah u32 actions, 2198e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2199bdd66ac0SOr Gerlitz { 220073867881SPablo Neira Ayuso const struct flow_action_entry *act; 2201bdd66ac0SOr Gerlitz bool modify_ip_header; 2202bdd66ac0SOr Gerlitz u8 htype, ip_proto; 2203bdd66ac0SOr Gerlitz void *headers_v; 2204bdd66ac0SOr Gerlitz u16 ethertype; 220573867881SPablo Neira Ayuso int i; 2206bdd66ac0SOr Gerlitz 22078377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 2208bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2209bdd66ac0SOr Gerlitz 2210bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2211bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2212bdd66ac0SOr Gerlitz goto out_ok; 2213bdd66ac0SOr Gerlitz 2214bdd66ac0SOr Gerlitz modify_ip_header = false; 221573867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 221673867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 221773867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2218bdd66ac0SOr Gerlitz continue; 2219bdd66ac0SOr Gerlitz 222073867881SPablo Neira Ayuso htype = act->mangle.htype; 222173867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4 || 222273867881SPablo Neira Ayuso htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 2223bdd66ac0SOr Gerlitz modify_ip_header = true; 2224bdd66ac0SOr Gerlitz break; 2225bdd66ac0SOr Gerlitz } 2226bdd66ac0SOr Gerlitz } 2227bdd66ac0SOr Gerlitz 2228bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 22291ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 22301ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2231e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2232e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2233bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2234bdd66ac0SOr Gerlitz return false; 2235bdd66ac0SOr Gerlitz } 2236bdd66ac0SOr Gerlitz 2237bdd66ac0SOr Gerlitz out_ok: 2238bdd66ac0SOr Gerlitz return true; 2239bdd66ac0SOr Gerlitz } 2240bdd66ac0SOr Gerlitz 2241bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 224273867881SPablo Neira Ayuso struct flow_action *flow_action, 2243bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2244e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2245e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2246bdd66ac0SOr Gerlitz { 2247bdd66ac0SOr Gerlitz u32 actions; 2248bdd66ac0SOr Gerlitz 2249bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2250bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2251bdd66ac0SOr Gerlitz else 2252bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2253bdd66ac0SOr Gerlitz 22547e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 22557e29392eSRoi Dayan !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) 22567e29392eSRoi Dayan return false; 22577e29392eSRoi Dayan 2258bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 225973867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2260a655fe9fSDavid S. Miller flow_action, actions, 2261e98bedf5SEli Britstein extack); 2262bdd66ac0SOr Gerlitz 2263bdd66ac0SOr Gerlitz return true; 2264bdd66ac0SOr Gerlitz } 2265bdd66ac0SOr Gerlitz 22665c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 22675c65c564SOr Gerlitz { 22685c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2269816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 22705c65c564SOr Gerlitz 22715c65c564SOr Gerlitz fmdev = priv->mdev; 22725c65c564SOr Gerlitz pmdev = peer_priv->mdev; 22735c65c564SOr Gerlitz 227459c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 227559c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 22765c65c564SOr Gerlitz 2277816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 22785c65c564SOr Gerlitz } 22795c65c564SOr Gerlitz 2280bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 2281bdc837eeSEli Britstein const struct flow_action_entry *act, 2282bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2283bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 2284bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 2285bdc837eeSEli Britstein { 2286bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 2287bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 2288bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 2289bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 2290bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 2291bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 2292bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 2293bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 2294bdc837eeSEli Britstein }; 2295bf2f3bcaSEli Britstein void *headers_c, *headers_v; 2296bdc837eeSEli Britstein int err; 2297bdc837eeSEli Britstein 2298bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 2299bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 2300bf2f3bcaSEli Britstein 2301bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 2302bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 2303bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 2304bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 2305bf2f3bcaSEli Britstein return -EOPNOTSUPP; 2306bf2f3bcaSEli Britstein } 2307bf2f3bcaSEli Britstein 2308bdc837eeSEli Britstein if (act->vlan.prio) { 2309bdc837eeSEli Britstein NL_SET_ERR_MSG_MOD(extack, "Setting VLAN prio is not supported"); 2310bdc837eeSEli Britstein return -EOPNOTSUPP; 2311bdc837eeSEli Britstein } 2312bdc837eeSEli Britstein 2313bdc837eeSEli Britstein err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, 2314bdc837eeSEli Britstein hdrs, NULL); 2315bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2316bdc837eeSEli Britstein 2317bdc837eeSEli Britstein return err; 2318bdc837eeSEli Britstein } 2319bdc837eeSEli Britstein 232073867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 232173867881SPablo Neira Ayuso struct flow_action *flow_action, 2322aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2323e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2324e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2325e3a2b7edSAmir Vadai { 2326aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 232773867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 232873867881SPablo Neira Ayuso const struct flow_action_entry *act; 23291cab1cd7SOr Gerlitz u32 action = 0; 2330244cd96aSCong Wang int err, i; 2331e3a2b7edSAmir Vadai 233273867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2333e3a2b7edSAmir Vadai return -EINVAL; 2334e3a2b7edSAmir Vadai 23353bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2336e3a2b7edSAmir Vadai 233773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 233873867881SPablo Neira Ayuso switch (act->id) { 233973867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 23401cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2341aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2342aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 23431cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 234473867881SPablo Neira Ayuso break; 234573867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 234673867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 234773867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2348c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 23492f4fe4caSOr Gerlitz if (err) 23502f4fe4caSOr Gerlitz return err; 23512f4fe4caSOr Gerlitz 23521cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 23532f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 235473867881SPablo Neira Ayuso break; 2355bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2356bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2357bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 2358bdc837eeSEli Britstein act, parse_attr, hdrs, 2359bdc837eeSEli Britstein &action, extack); 2360bdc837eeSEli Britstein if (err) 2361bdc837eeSEli Britstein return err; 2362bdc837eeSEli Britstein 2363bdc837eeSEli Britstein break; 236473867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 23651cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 236673867881SPablo Neira Ayuso act->csum_flags, 2367e98bedf5SEli Britstein extack)) 236873867881SPablo Neira Ayuso break; 236926c02749SOr Gerlitz 237026c02749SOr Gerlitz return -EOPNOTSUPP; 237173867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 237273867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 23735c65c564SOr Gerlitz 23745c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 23755c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 237698b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 23775c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 23781cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 23795c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 23805c65c564SOr Gerlitz } else { 2381e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2382e98bedf5SEli Britstein "device is not on same HW, can't offload"); 23835c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 23845c65c564SOr Gerlitz peer_dev->name); 23855c65c564SOr Gerlitz return -EINVAL; 23865c65c564SOr Gerlitz } 23875c65c564SOr Gerlitz } 238873867881SPablo Neira Ayuso break; 238973867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 239073867881SPablo Neira Ayuso u32 mark = act->mark; 2391e3a2b7edSAmir Vadai 2392e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2393e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2394e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2395e3a2b7edSAmir Vadai return -EINVAL; 2396e3a2b7edSAmir Vadai } 2397e3a2b7edSAmir Vadai 23983bc4b7bfSOr Gerlitz attr->flow_tag = mark; 23991cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2400e3a2b7edSAmir Vadai } 240173867881SPablo Neira Ayuso break; 240273867881SPablo Neira Ayuso default: 24032cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 24042cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 2405e3a2b7edSAmir Vadai } 240673867881SPablo Neira Ayuso } 2407e3a2b7edSAmir Vadai 2408c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2409c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2410c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 2411c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2412c500c86bSPablo Neira Ayuso if (err) 2413c500c86bSPablo Neira Ayuso return err; 2414c500c86bSPablo Neira Ayuso } 2415c500c86bSPablo Neira Ayuso 24161cab1cd7SOr Gerlitz attr->action = action; 241773867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2418bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2419bdd66ac0SOr Gerlitz 2420e3a2b7edSAmir Vadai return 0; 2421e3a2b7edSAmir Vadai } 2422e3a2b7edSAmir Vadai 242376f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 242476f7444dSOr Gerlitz struct ip_tunnel_key *b) 2425a54e20b4SHadar Hen Zion { 2426a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2427a54e20b4SHadar Hen Zion } 2428a54e20b4SHadar Hen Zion 242976f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2430a54e20b4SHadar Hen Zion { 243176f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2432a54e20b4SHadar Hen Zion } 2433a54e20b4SHadar Hen Zion 2434a54e20b4SHadar Hen Zion 2435b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2436b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2437b1d90e6bSRabie Loulou { 2438b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2439b1d90e6bSRabie Loulou 2440b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2441b1d90e6bSRabie Loulou 2442b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 244368931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 244468931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 244568931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 2446b1d90e6bSRabie Loulou } 2447b1d90e6bSRabie Loulou 2448ce99f6b9SOr Gerlitz 244954c177caSOz Shlomo 2450a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2451e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2452733d4f36SRoi Dayan struct net_device *mirred_dev, 2453733d4f36SRoi Dayan int out_index, 24548c4dc42bSEli Britstein struct netlink_ext_ack *extack, 24550ad060eeSRoi Dayan struct net_device **encap_dev, 24560ad060eeSRoi Dayan bool *encap_valid) 245703a9d11eSOr Gerlitz { 2458a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 245945247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2460733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2461733d4f36SRoi Dayan struct ip_tunnel_info *tun_info; 2462733d4f36SRoi Dayan struct ip_tunnel_key *key; 2463c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2464733d4f36SRoi Dayan unsigned short family; 2465a54e20b4SHadar Hen Zion uintptr_t hash_key; 2466a54e20b4SHadar Hen Zion bool found = false; 246754c177caSOz Shlomo int err = 0; 2468a54e20b4SHadar Hen Zion 2469733d4f36SRoi Dayan parse_attr = attr->parse_attr; 2470733d4f36SRoi Dayan tun_info = &parse_attr->tun_info[out_index]; 2471733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 2472733d4f36SRoi Dayan key = &tun_info->key; 2473733d4f36SRoi Dayan 247476f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2475a54e20b4SHadar Hen Zion 2476a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2477a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 247876f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2479a54e20b4SHadar Hen Zion found = true; 2480a54e20b4SHadar Hen Zion break; 2481a54e20b4SHadar Hen Zion } 2482a54e20b4SHadar Hen Zion } 2483a54e20b4SHadar Hen Zion 2484b2812089SVlad Buslov /* must verify if encap is valid or not */ 248545247bf2SOr Gerlitz if (found) 248645247bf2SOr Gerlitz goto attach_flow; 2487a54e20b4SHadar Hen Zion 2488a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2489a54e20b4SHadar Hen Zion if (!e) 2490a54e20b4SHadar Hen Zion return -ENOMEM; 2491a54e20b4SHadar Hen Zion 249276f7444dSOr Gerlitz e->tun_info = *tun_info; 2493101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 249454c177caSOz Shlomo if (err) 249554c177caSOz Shlomo goto out_err; 249654c177caSOz Shlomo 2497a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2498a54e20b4SHadar Hen Zion 2499ce99f6b9SOr Gerlitz if (family == AF_INET) 2500101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2501ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2502101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2503ce99f6b9SOr Gerlitz 25040ad060eeSRoi Dayan if (err) 2505a54e20b4SHadar Hen Zion goto out_err; 2506a54e20b4SHadar Hen Zion 2507a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2508a54e20b4SHadar Hen Zion 250945247bf2SOr Gerlitz attach_flow: 25108c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 25118c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 251245247bf2SOr Gerlitz *encap_dev = e->out_dev; 25138c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 25148c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 25158c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 25160ad060eeSRoi Dayan *encap_valid = true; 25178c4dc42bSEli Britstein } else { 25180ad060eeSRoi Dayan *encap_valid = false; 25198c4dc42bSEli Britstein } 252045247bf2SOr Gerlitz 2521232c0013SHadar Hen Zion return err; 2522a54e20b4SHadar Hen Zion 2523a54e20b4SHadar Hen Zion out_err: 2524a54e20b4SHadar Hen Zion kfree(e); 2525a54e20b4SHadar Hen Zion return err; 2526a54e20b4SHadar Hen Zion } 2527a54e20b4SHadar Hen Zion 25281482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 252973867881SPablo Neira Ayuso const struct flow_action_entry *act, 25301482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 25311482bd3dSJianbo Liu u32 *action) 25321482bd3dSJianbo Liu { 2533cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2534cc495188SJianbo Liu 2535cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 25361482bd3dSJianbo Liu return -EOPNOTSUPP; 2537cc495188SJianbo Liu 253873867881SPablo Neira Ayuso switch (act->id) { 253973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 2540cc495188SJianbo Liu if (vlan_idx) { 2541cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2542cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2543cc495188SJianbo Liu return -EOPNOTSUPP; 2544cc495188SJianbo Liu 2545cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2546cc495188SJianbo Liu } else { 2547cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2548cc495188SJianbo Liu } 254973867881SPablo Neira Ayuso break; 255073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 255173867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 255273867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 255373867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 2554cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2555cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2556cc495188SJianbo Liu 2557cc495188SJianbo Liu if (vlan_idx) { 2558cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2559cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2560cc495188SJianbo Liu return -EOPNOTSUPP; 2561cc495188SJianbo Liu 2562cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2563cc495188SJianbo Liu } else { 2564cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 256573867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 256673867881SPablo Neira Ayuso act->vlan.prio)) 2567cc495188SJianbo Liu return -EOPNOTSUPP; 2568cc495188SJianbo Liu 2569cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 25701482bd3dSJianbo Liu } 257173867881SPablo Neira Ayuso break; 257273867881SPablo Neira Ayuso default: 2573bdc837eeSEli Britstein return -EINVAL; 25741482bd3dSJianbo Liu } 25751482bd3dSJianbo Liu 2576cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2577cc495188SJianbo Liu 25781482bd3dSJianbo Liu return 0; 25791482bd3dSJianbo Liu } 25801482bd3dSJianbo Liu 258173867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 258273867881SPablo Neira Ayuso struct flow_action *flow_action, 2583e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2584e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2585a54e20b4SHadar Hen Zion { 258673867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 2587bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2588ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 25896f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 25901d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 259173867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 259273867881SPablo Neira Ayuso const struct flow_action_entry *act; 2593a54e20b4SHadar Hen Zion bool encap = false; 25941cab1cd7SOr Gerlitz u32 action = 0; 2595244cd96aSCong Wang int err, i; 259603a9d11eSOr Gerlitz 259773867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 259803a9d11eSOr Gerlitz return -EINVAL; 259903a9d11eSOr Gerlitz 26001d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 260110ff5359SShahar Klein attr->in_mdev = priv->mdev; 260203a9d11eSOr Gerlitz 260373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 260473867881SPablo Neira Ayuso switch (act->id) { 260573867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 26061cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 260703a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 260873867881SPablo Neira Ayuso break; 260973867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 261073867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 261173867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 2612c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2613d7e75a32SOr Gerlitz if (err) 2614d7e75a32SOr Gerlitz return err; 2615d7e75a32SOr Gerlitz 26161cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2617e85e02baSEli Britstein attr->split_count = attr->out_count; 261873867881SPablo Neira Ayuso break; 261973867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 26201cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 262173867881SPablo Neira Ayuso act->csum_flags, extack)) 262273867881SPablo Neira Ayuso break; 262326c02749SOr Gerlitz 262426c02749SOr Gerlitz return -EOPNOTSUPP; 262573867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 262673867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 262703a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2628592d3651SChris Mi struct net_device *out_dev; 262903a9d11eSOr Gerlitz 263073867881SPablo Neira Ayuso out_dev = act->dev; 2631ef381359SOz Shlomo if (!out_dev) { 2632ef381359SOz Shlomo /* out_dev is NULL when filters with 2633ef381359SOz Shlomo * non-existing mirred device are replayed to 2634ef381359SOz Shlomo * the driver. 2635ef381359SOz Shlomo */ 2636ef381359SOz Shlomo return -EINVAL; 2637ef381359SOz Shlomo } 263803a9d11eSOr Gerlitz 2639592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2640e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2641e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2642592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2643592d3651SChris Mi attr->out_count); 2644592d3651SChris Mi return -EOPNOTSUPP; 2645592d3651SChris Mi } 2646592d3651SChris Mi 2647f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2648f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 26496dcfa234SFlorian Fainelli if (netdev_port_same_parent_id(priv->netdev, 2650b1d90e6bSRabie Loulou out_dev) || 2651b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 26527ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 26537ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 26547ba58ba7SRabie Loulou struct net_device *uplink_upper = netdev_master_upper_dev_get(uplink_dev); 26557ba58ba7SRabie Loulou 26567ba58ba7SRabie Loulou if (uplink_upper && 26577ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 26587ba58ba7SRabie Loulou uplink_upper == out_dev) 26597ba58ba7SRabie Loulou out_dev = uplink_dev; 26607ba58ba7SRabie Loulou 2661a0646c88SEli Britstein if (!mlx5e_eswitch_rep(out_dev)) 2662a0646c88SEli Britstein return -EOPNOTSUPP; 2663a0646c88SEli Britstein 266403a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 26651d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2666df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 2667df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 2668df65a573SEli Britstein attr->out_count++; 2669a54e20b4SHadar Hen Zion } else if (encap) { 26708c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 26718c4dc42bSEli Britstein out_dev->ifindex; 26728c4dc42bSEli Britstein parse_attr->tun_info[attr->out_count] = *info; 26738c4dc42bSEli Britstein encap = false; 2674f493f155SEli Britstein attr->dests[attr->out_count].flags |= 2675f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 26761cc26d74SEli Britstein attr->out_count++; 2677df65a573SEli Britstein /* attr->dests[].rep is resolved when we 2678df65a573SEli Britstein * handle encap 2679df65a573SEli Britstein */ 2680ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 2681ef381359SOz Shlomo /* All mlx5 devices are called to configure 2682ef381359SOz Shlomo * high level device filters. Therefore, the 2683ef381359SOz Shlomo * *attempt* to install a filter on invalid 2684ef381359SOz Shlomo * eswitch should not trigger an explicit error 2685ef381359SOz Shlomo */ 2686ef381359SOz Shlomo return -EINVAL; 2687a54e20b4SHadar Hen Zion } else { 2688e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2689e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2690a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2691a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2692a54e20b4SHadar Hen Zion return -EINVAL; 2693a54e20b4SHadar Hen Zion } 2694a54e20b4SHadar Hen Zion } 269573867881SPablo Neira Ayuso break; 269673867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 269773867881SPablo Neira Ayuso info = act->tunnel; 2698a54e20b4SHadar Hen Zion if (info) 2699a54e20b4SHadar Hen Zion encap = true; 2700a54e20b4SHadar Hen Zion else 2701a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 270203a9d11eSOr Gerlitz 270373867881SPablo Neira Ayuso break; 270473867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 270573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 270676b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 270776b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 270876b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 270976b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 271076b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 271176b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 271276b496b1SEli Britstein act, parse_attr, hdrs, 271376b496b1SEli Britstein &action, extack); 271476b496b1SEli Britstein } else { 271573867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 271676b496b1SEli Britstein } 27171482bd3dSJianbo Liu if (err) 27181482bd3dSJianbo Liu return err; 27191482bd3dSJianbo Liu 2720e85e02baSEli Britstein attr->split_count = attr->out_count; 272173867881SPablo Neira Ayuso break; 2722bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 2723bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 2724bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 2725bdc837eeSEli Britstein act, parse_attr, hdrs, 2726bdc837eeSEli Britstein &action, extack); 2727bdc837eeSEli Britstein if (err) 2728bdc837eeSEli Britstein return err; 2729bdc837eeSEli Britstein 2730bdc837eeSEli Britstein attr->split_count = attr->out_count; 2731bdc837eeSEli Britstein break; 273273867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 27331cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 273473867881SPablo Neira Ayuso break; 273573867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 273673867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 2737bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2738bf07aa73SPaul Blakey 2739bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2740bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2741bf07aa73SPaul Blakey return -EOPNOTSUPP; 2742bf07aa73SPaul Blakey } 2743bf07aa73SPaul Blakey if (dest_chain > max_chain) { 2744bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 2745bf07aa73SPaul Blakey return -EOPNOTSUPP; 2746bf07aa73SPaul Blakey } 2747e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2748bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 274973867881SPablo Neira Ayuso break; 2750bf07aa73SPaul Blakey } 275173867881SPablo Neira Ayuso default: 27522cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 27532cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 275403a9d11eSOr Gerlitz } 275573867881SPablo Neira Ayuso } 2756bdd66ac0SOr Gerlitz 2757c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2758c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2759c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 2760c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2761c500c86bSPablo Neira Ayuso if (err) 2762c500c86bSPablo Neira Ayuso return err; 2763c500c86bSPablo Neira Ayuso } 2764c500c86bSPablo Neira Ayuso 27651cab1cd7SOr Gerlitz attr->action = action; 276673867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2767bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2768bdd66ac0SOr Gerlitz 2769e88afe75SOr Gerlitz if (attr->dest_chain) { 2770e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 2771e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 2772e88afe75SOr Gerlitz return -EOPNOTSUPP; 2773e88afe75SOr Gerlitz } 2774e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2775e88afe75SOr Gerlitz } 2776e88afe75SOr Gerlitz 2777e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 2778e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2779e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 2780592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 2781592d3651SChris Mi return -EOPNOTSUPP; 2782592d3651SChris Mi } 2783592d3651SChris Mi 278431c8eba5SOr Gerlitz return 0; 278503a9d11eSOr Gerlitz } 278603a9d11eSOr Gerlitz 27875dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 278860bd4af8SOr Gerlitz { 27895dbe906fSPaul Blakey u16 __flow_flags = 0; 279060bd4af8SOr Gerlitz 279160bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 279260bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 279360bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 279460bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 279560bd4af8SOr Gerlitz 2796d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) 2797d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2798d9ee0491SOr Gerlitz if (flags & MLX5E_TC_NIC_OFFLOAD) 2799d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_NIC; 2800d9ee0491SOr Gerlitz 280160bd4af8SOr Gerlitz *flow_flags = __flow_flags; 280260bd4af8SOr Gerlitz } 280360bd4af8SOr Gerlitz 280405866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 280505866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 280605866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 280705866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 280805866c82SOr Gerlitz .automatic_shrinking = true, 280905866c82SOr Gerlitz }; 281005866c82SOr Gerlitz 2811d9ee0491SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, int flags) 281205866c82SOr Gerlitz { 2813655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2814655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 2815655dc3d2SOr Gerlitz 2816d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) { 2817655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2818ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 2819d9ee0491SOr Gerlitz } else /* NIC offload */ 282005866c82SOr Gerlitz return &priv->fs.tc.ht; 282105866c82SOr Gerlitz } 282205866c82SOr Gerlitz 282304de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 282404de7ddaSRoi Dayan { 28251418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2826b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 28271418ddd9SAviv Heller flow->flags & MLX5E_TC_FLOW_INGRESS; 28281418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 28291418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 28301418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 28311418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 28321418ddd9SAviv Heller 283310fbb1cdSRoi Dayan if (!esw_paired) 283410fbb1cdSRoi Dayan return false; 283510fbb1cdSRoi Dayan 283610fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 283710fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 283810fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 283910fbb1cdSRoi Dayan return true; 284010fbb1cdSRoi Dayan 284110fbb1cdSRoi Dayan return false; 284204de7ddaSRoi Dayan } 284304de7ddaSRoi Dayan 2844a88780a9SRoi Dayan static int 2845a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 28465dbe906fSPaul Blakey struct tc_cls_flower_offload *f, u16 flow_flags, 2847a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 2848a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2849e3a2b7edSAmir Vadai { 285017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 28513bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 2852a88780a9SRoi Dayan int err; 2853776b12b6SOr Gerlitz 285465ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 28551b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 285617091853SOr Gerlitz if (!parse_attr || !flow) { 2857e3a2b7edSAmir Vadai err = -ENOMEM; 2858e3a2b7edSAmir Vadai goto err_free; 2859e3a2b7edSAmir Vadai } 2860e3a2b7edSAmir Vadai 2861e3a2b7edSAmir Vadai flow->cookie = f->cookie; 286265ba8fb7SOr Gerlitz flow->flags = flow_flags; 2863655dc3d2SOr Gerlitz flow->priv = priv; 2864e3a2b7edSAmir Vadai 2865a88780a9SRoi Dayan *__flow = flow; 2866a88780a9SRoi Dayan *__parse_attr = parse_attr; 2867a88780a9SRoi Dayan 2868a88780a9SRoi Dayan return 0; 2869a88780a9SRoi Dayan 2870a88780a9SRoi Dayan err_free: 2871a88780a9SRoi Dayan kfree(flow); 2872a88780a9SRoi Dayan kvfree(parse_attr); 2873a88780a9SRoi Dayan return err; 2874adb4c123SOr Gerlitz } 2875adb4c123SOr Gerlitz 2876988ab9c7STonghao Zhang static void 2877988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 2878988ab9c7STonghao Zhang struct mlx5e_priv *priv, 2879988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 2880988ab9c7STonghao Zhang struct tc_cls_flower_offload *f, 2881988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 2882988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 2883988ab9c7STonghao Zhang { 2884988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2885988ab9c7STonghao Zhang 2886988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 2887988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 2888988ab9c7STonghao Zhang esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 2889988ab9c7STonghao Zhang 2890988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 2891988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 2892988ab9c7STonghao Zhang 2893988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 2894988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 2895988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 2896988ab9c7STonghao Zhang else 2897988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 2898988ab9c7STonghao Zhang } 2899988ab9c7STonghao Zhang 290071129676SJason Gunthorpe static struct mlx5e_tc_flow * 290104de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 2902a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 29035dbe906fSPaul Blakey u16 flow_flags, 2904d11afc26SOz Shlomo struct net_device *filter_dev, 290504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 290671129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 2907a88780a9SRoi Dayan { 290873867881SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 2909a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2910a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2911a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2912a88780a9SRoi Dayan int attr_size, err; 2913a88780a9SRoi Dayan 2914a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2915a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 2916a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2917a88780a9SRoi Dayan &parse_attr, &flow); 2918a88780a9SRoi Dayan if (err) 2919a88780a9SRoi Dayan goto out; 2920988ab9c7STonghao Zhang 2921d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 2922988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 2923988ab9c7STonghao Zhang priv, parse_attr, 2924988ab9c7STonghao Zhang f, in_rep, in_mdev); 2925988ab9c7STonghao Zhang 292654c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 292754c177caSOz Shlomo f, filter_dev); 2928d11afc26SOz Shlomo if (err) 2929d11afc26SOz Shlomo goto err_free; 2930a88780a9SRoi Dayan 29316f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 2932a88780a9SRoi Dayan if (err) 2933a88780a9SRoi Dayan goto err_free; 2934a88780a9SRoi Dayan 29357040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 2936ef06c9eeSRoi Dayan if (err) { 2937ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 2938aa0cbbaeSOr Gerlitz goto err_free; 29395c40348cSOr Gerlitz 2940b4a23329SRoi Dayan add_unready_flow(flow); 2941ef06c9eeSRoi Dayan } 2942ef06c9eeSRoi Dayan 294371129676SJason Gunthorpe return flow; 2944e3a2b7edSAmir Vadai 2945e3a2b7edSAmir Vadai err_free: 2946232c0013SHadar Hen Zion kfree(flow); 2947a88780a9SRoi Dayan kvfree(parse_attr); 2948a88780a9SRoi Dayan out: 294971129676SJason Gunthorpe return ERR_PTR(err); 2950a88780a9SRoi Dayan } 2951a88780a9SRoi Dayan 295204de7ddaSRoi Dayan static int mlx5e_tc_add_fdb_peer_flow(struct tc_cls_flower_offload *f, 295395dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 295495dc1902SRoi Dayan u16 flow_flags) 295504de7ddaSRoi Dayan { 295604de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 295704de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 295804de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 295904de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 296004de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 296104de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 296204de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 296304de7ddaSRoi Dayan int err = 0; 296404de7ddaSRoi Dayan 296504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 296604de7ddaSRoi Dayan if (!peer_esw) 296704de7ddaSRoi Dayan return -ENODEV; 296804de7ddaSRoi Dayan 296904de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 297004de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 297104de7ddaSRoi Dayan 297204de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 297304de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 297404de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 297504de7ddaSRoi Dayan * peer mdev. 297604de7ddaSRoi Dayan */ 2977b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 297804de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 297904de7ddaSRoi Dayan else 298004de7ddaSRoi Dayan in_mdev = priv->mdev; 298104de7ddaSRoi Dayan 298204de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 298395dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 298404de7ddaSRoi Dayan parse_attr->filter_dev, 298571129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 298671129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 298771129676SJason Gunthorpe err = PTR_ERR(peer_flow); 298804de7ddaSRoi Dayan goto out; 298971129676SJason Gunthorpe } 299004de7ddaSRoi Dayan 299104de7ddaSRoi Dayan flow->peer_flow = peer_flow; 299204de7ddaSRoi Dayan flow->flags |= MLX5E_TC_FLOW_DUP; 299304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 299404de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 299504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 299604de7ddaSRoi Dayan 299704de7ddaSRoi Dayan out: 299804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 299904de7ddaSRoi Dayan return err; 300004de7ddaSRoi Dayan } 300104de7ddaSRoi Dayan 300204de7ddaSRoi Dayan static int 300304de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 300404de7ddaSRoi Dayan struct tc_cls_flower_offload *f, 300504de7ddaSRoi Dayan u16 flow_flags, 300604de7ddaSRoi Dayan struct net_device *filter_dev, 300704de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 300804de7ddaSRoi Dayan { 300904de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 301004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 301104de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 301204de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 301304de7ddaSRoi Dayan int err; 301404de7ddaSRoi Dayan 301571129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 301671129676SJason Gunthorpe in_mdev); 301771129676SJason Gunthorpe if (IS_ERR(flow)) 301871129676SJason Gunthorpe return PTR_ERR(flow); 301904de7ddaSRoi Dayan 302004de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 302195dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 302204de7ddaSRoi Dayan if (err) { 302304de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 302404de7ddaSRoi Dayan goto out; 302504de7ddaSRoi Dayan } 302604de7ddaSRoi Dayan } 302704de7ddaSRoi Dayan 302804de7ddaSRoi Dayan *__flow = flow; 302904de7ddaSRoi Dayan 303004de7ddaSRoi Dayan return 0; 303104de7ddaSRoi Dayan 303204de7ddaSRoi Dayan out: 303304de7ddaSRoi Dayan return err; 303404de7ddaSRoi Dayan } 303504de7ddaSRoi Dayan 3036a88780a9SRoi Dayan static int 3037a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3038a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 30395dbe906fSPaul Blakey u16 flow_flags, 3040d11afc26SOz Shlomo struct net_device *filter_dev, 3041a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3042a88780a9SRoi Dayan { 304373867881SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 3044a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3045a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3046a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3047a88780a9SRoi Dayan int attr_size, err; 3048a88780a9SRoi Dayan 3049bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 3050bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3051bf07aa73SPaul Blakey return -EOPNOTSUPP; 3052bf07aa73SPaul Blakey 3053a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 3054a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3055a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3056a88780a9SRoi Dayan &parse_attr, &flow); 3057a88780a9SRoi Dayan if (err) 3058a88780a9SRoi Dayan goto out; 3059a88780a9SRoi Dayan 3060d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 306154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 306254c177caSOz Shlomo f, filter_dev); 3063d11afc26SOz Shlomo if (err) 3064d11afc26SOz Shlomo goto err_free; 3065d11afc26SOz Shlomo 306673867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 3067a88780a9SRoi Dayan if (err) 3068a88780a9SRoi Dayan goto err_free; 3069a88780a9SRoi Dayan 3070a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 3071a88780a9SRoi Dayan if (err) 3072a88780a9SRoi Dayan goto err_free; 3073a88780a9SRoi Dayan 3074a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 3075a88780a9SRoi Dayan kvfree(parse_attr); 3076a88780a9SRoi Dayan *__flow = flow; 3077a88780a9SRoi Dayan 3078a88780a9SRoi Dayan return 0; 3079a88780a9SRoi Dayan 3080a88780a9SRoi Dayan err_free: 3081a88780a9SRoi Dayan kfree(flow); 3082a88780a9SRoi Dayan kvfree(parse_attr); 3083a88780a9SRoi Dayan out: 3084a88780a9SRoi Dayan return err; 3085a88780a9SRoi Dayan } 3086a88780a9SRoi Dayan 3087a88780a9SRoi Dayan static int 3088a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3089a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 3090a88780a9SRoi Dayan int flags, 3091d11afc26SOz Shlomo struct net_device *filter_dev, 3092a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3093a88780a9SRoi Dayan { 3094a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 30955dbe906fSPaul Blakey u16 flow_flags; 3096a88780a9SRoi Dayan int err; 3097a88780a9SRoi Dayan 3098a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3099a88780a9SRoi Dayan 3100bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3101bf07aa73SPaul Blakey return -EOPNOTSUPP; 3102bf07aa73SPaul Blakey 3103a88780a9SRoi Dayan if (esw && esw->mode == SRIOV_OFFLOADS) 3104d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3105d11afc26SOz Shlomo filter_dev, flow); 3106a88780a9SRoi Dayan else 3107d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3108d11afc26SOz Shlomo filter_dev, flow); 3109a88780a9SRoi Dayan 3110a88780a9SRoi Dayan return err; 3111a88780a9SRoi Dayan } 3112a88780a9SRoi Dayan 311371d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3114a88780a9SRoi Dayan struct tc_cls_flower_offload *f, int flags) 3115a88780a9SRoi Dayan { 3116a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3117d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3118a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3119a88780a9SRoi Dayan int err = 0; 3120a88780a9SRoi Dayan 3121a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 3122a88780a9SRoi Dayan if (flow) { 3123a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3124a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3125a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3126a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3127a88780a9SRoi Dayan f->cookie); 3128a88780a9SRoi Dayan goto out; 3129a88780a9SRoi Dayan } 3130a88780a9SRoi Dayan 3131d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3132a88780a9SRoi Dayan if (err) 3133a88780a9SRoi Dayan goto out; 3134a88780a9SRoi Dayan 3135a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 3136a88780a9SRoi Dayan if (err) 3137a88780a9SRoi Dayan goto err_free; 3138a88780a9SRoi Dayan 3139a88780a9SRoi Dayan return 0; 3140a88780a9SRoi Dayan 3141a88780a9SRoi Dayan err_free: 3142a88780a9SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3143a88780a9SRoi Dayan kfree(flow); 3144a88780a9SRoi Dayan out: 3145e3a2b7edSAmir Vadai return err; 3146e3a2b7edSAmir Vadai } 3147e3a2b7edSAmir Vadai 31488f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 31498f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 31508f8ae895SOr Gerlitz 31518f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 31528f8ae895SOr Gerlitz { 31538f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 31548f8ae895SOr Gerlitz return true; 31558f8ae895SOr Gerlitz 31568f8ae895SOr Gerlitz return false; 31578f8ae895SOr Gerlitz } 31588f8ae895SOr Gerlitz 315971d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 316060bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3161e3a2b7edSAmir Vadai { 3162d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3163e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3164e3a2b7edSAmir Vadai 316505866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 31668f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3167e3a2b7edSAmir Vadai return -EINVAL; 3168e3a2b7edSAmir Vadai 316905866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3170e3a2b7edSAmir Vadai 3171961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3172e3a2b7edSAmir Vadai 3173e3a2b7edSAmir Vadai kfree(flow); 3174e3a2b7edSAmir Vadai 3175e3a2b7edSAmir Vadai return 0; 3176e3a2b7edSAmir Vadai } 3177e3a2b7edSAmir Vadai 317871d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 317960bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3180aad7e08dSAmir Vadai { 318104de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3182d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 318304de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3184aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3185aad7e08dSAmir Vadai struct mlx5_fc *counter; 3186316d5f72SRoi Dayan u64 lastuse = 0; 3187316d5f72SRoi Dayan u64 packets = 0; 3188316d5f72SRoi Dayan u64 bytes = 0; 3189aad7e08dSAmir Vadai 319005866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 31918f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3192aad7e08dSAmir Vadai return -EINVAL; 3193aad7e08dSAmir Vadai 3194316d5f72SRoi Dayan if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 3195b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3196aad7e08dSAmir Vadai if (!counter) 3197aad7e08dSAmir Vadai return 0; 3198aad7e08dSAmir Vadai 3199aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3200316d5f72SRoi Dayan } 3201aad7e08dSAmir Vadai 3202316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3203316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3204316d5f72SRoi Dayan */ 320504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 320604de7ddaSRoi Dayan if (!peer_esw) 320704de7ddaSRoi Dayan goto out; 320804de7ddaSRoi Dayan 320904de7ddaSRoi Dayan if ((flow->flags & MLX5E_TC_FLOW_DUP) && 321004de7ddaSRoi Dayan (flow->peer_flow->flags & MLX5E_TC_FLOW_OFFLOADED)) { 321104de7ddaSRoi Dayan u64 bytes2; 321204de7ddaSRoi Dayan u64 packets2; 321304de7ddaSRoi Dayan u64 lastuse2; 321404de7ddaSRoi Dayan 321504de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3216316d5f72SRoi Dayan if (!counter) 3217316d5f72SRoi Dayan goto no_peer_counter; 321804de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 321904de7ddaSRoi Dayan 322004de7ddaSRoi Dayan bytes += bytes2; 322104de7ddaSRoi Dayan packets += packets2; 322204de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 322304de7ddaSRoi Dayan } 322404de7ddaSRoi Dayan 3225316d5f72SRoi Dayan no_peer_counter: 322604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 322704de7ddaSRoi Dayan out: 32283b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 3229fed06ee8SOr Gerlitz 3230aad7e08dSAmir Vadai return 0; 3231aad7e08dSAmir Vadai } 3232aad7e08dSAmir Vadai 32334d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 32344d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 32354d8fcf21SAlaa Hleihel { 32364d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 32374d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 32384d8fcf21SAlaa Hleihel u16 peer_vhca_id; 32394d8fcf21SAlaa Hleihel int bkt; 32404d8fcf21SAlaa Hleihel 32414d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 32424d8fcf21SAlaa Hleihel return; 32434d8fcf21SAlaa Hleihel 32444d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 32454d8fcf21SAlaa Hleihel 32464d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 32474d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 32484d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 32494d8fcf21SAlaa Hleihel } 32504d8fcf21SAlaa Hleihel } 32514d8fcf21SAlaa Hleihel 32524d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 32534d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 32544d8fcf21SAlaa Hleihel { 32554d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 32564d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 32574d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 32584d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 32594d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 32604d8fcf21SAlaa Hleihel 32614d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 32624d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 32634d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 32644d8fcf21SAlaa Hleihel return NOTIFY_DONE; 32654d8fcf21SAlaa Hleihel 32664d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 32674d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 32684d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 32694d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 32704d8fcf21SAlaa Hleihel if (priv == peer_priv || 32714d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 32724d8fcf21SAlaa Hleihel return NOTIFY_DONE; 32734d8fcf21SAlaa Hleihel 32744d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 32754d8fcf21SAlaa Hleihel 32764d8fcf21SAlaa Hleihel return NOTIFY_DONE; 32774d8fcf21SAlaa Hleihel } 32784d8fcf21SAlaa Hleihel 3279655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3280e8f887acSAmir Vadai { 3281acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 32824d8fcf21SAlaa Hleihel int err; 3283e8f887acSAmir Vadai 328411c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 32855c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 328611c9c548SOr Gerlitz 32874d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 32884d8fcf21SAlaa Hleihel if (err) 32894d8fcf21SAlaa Hleihel return err; 32904d8fcf21SAlaa Hleihel 32914d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 32924d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 32934d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 32944d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 32954d8fcf21SAlaa Hleihel } 32964d8fcf21SAlaa Hleihel 32974d8fcf21SAlaa Hleihel return err; 3298e8f887acSAmir Vadai } 3299e8f887acSAmir Vadai 3300e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3301e8f887acSAmir Vadai { 3302e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3303655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3304e8f887acSAmir Vadai 3305961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3306e8f887acSAmir Vadai kfree(flow); 3307e8f887acSAmir Vadai } 3308e8f887acSAmir Vadai 3309655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3310e8f887acSAmir Vadai { 3311acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3312e8f887acSAmir Vadai 33134d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 33144d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 33154d8fcf21SAlaa Hleihel 3316d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 3317e8f887acSAmir Vadai 3318acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3319acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3320acff797cSMaor Gottlieb tc->t = NULL; 3321e8f887acSAmir Vadai } 3322e8f887acSAmir Vadai } 3323655dc3d2SOr Gerlitz 3324655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3325655dc3d2SOr Gerlitz { 3326655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3327655dc3d2SOr Gerlitz } 3328655dc3d2SOr Gerlitz 3329655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3330655dc3d2SOr Gerlitz { 3331655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3332655dc3d2SOr Gerlitz } 333301252a27SOr Gerlitz 3334d9ee0491SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv, int flags) 333501252a27SOr Gerlitz { 3336d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 333701252a27SOr Gerlitz 333801252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 333901252a27SOr Gerlitz } 334004de7ddaSRoi Dayan 334104de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 334204de7ddaSRoi Dayan { 334304de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 334404de7ddaSRoi Dayan 334504de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 334604de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 334704de7ddaSRoi Dayan } 3348b4a23329SRoi Dayan 3349b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 3350b4a23329SRoi Dayan { 3351b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 3352b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 3353b4a23329SRoi Dayan reoffload_flows_work); 3354b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 3355b4a23329SRoi Dayan 3356b4a23329SRoi Dayan rtnl_lock(); 3357b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 3358b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 3359b4a23329SRoi Dayan remove_unready_flow(flow); 3360b4a23329SRoi Dayan } 3361b4a23329SRoi Dayan rtnl_unlock(); 3362b4a23329SRoi Dayan } 3363