1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 343f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 35e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 36e3a2b7edSAmir Vadai #include <net/tc_act/tc_gact.h> 3712185a9fSAmir Vadai #include <net/tc_act/tc_skbedit.h> 38e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 39e8f887acSAmir Vadai #include <linux/mlx5/device.h> 40e8f887acSAmir Vadai #include <linux/rhashtable.h> 4103a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 42776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 43bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 44d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4526c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 46f6dfb4c3SHadar Hen Zion #include <net/arp.h> 47e8f887acSAmir Vadai #include "en.h" 481d447a39SSaeed Mahameed #include "en_rep.h" 49232c0013SHadar Hen Zion #include "en_tc.h" 5003a9d11eSOr Gerlitz #include "eswitch.h" 513f6d08d1SOr Gerlitz #include "fs_core.h" 522c81bfd5SHuy Nguyen #include "en/port.h" 53101f4de9SOz Shlomo #include "en/tc_tun.h" 5404de7ddaSRoi Dayan #include "lib/devcom.h" 55e8f887acSAmir Vadai 563bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 573bc4b7bfSOr Gerlitz u32 action; 583bc4b7bfSOr Gerlitz u32 flow_tag; 592f4fe4caSOr Gerlitz u32 mod_hdr_id; 605c65c564SOr Gerlitz u32 hairpin_tirn; 6138aa51c1SOr Gerlitz u8 match_level; 623f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 63b8aee822SMark Bloch struct mlx5_fc *counter; 643bc4b7bfSOr Gerlitz }; 653bc4b7bfSOr Gerlitz 6660bd4af8SOr Gerlitz #define MLX5E_TC_FLOW_BASE (MLX5E_TC_LAST_EXPORTED_BIT + 1) 6760bd4af8SOr Gerlitz 6865ba8fb7SOr Gerlitz enum { 6960bd4af8SOr Gerlitz MLX5E_TC_FLOW_INGRESS = MLX5E_TC_INGRESS, 7060bd4af8SOr Gerlitz MLX5E_TC_FLOW_EGRESS = MLX5E_TC_EGRESS, 71d9ee0491SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = MLX5E_TC_ESW_OFFLOAD, 72d9ee0491SOr Gerlitz MLX5E_TC_FLOW_NIC = MLX5E_TC_NIC_OFFLOAD, 73d9ee0491SOr Gerlitz MLX5E_TC_FLOW_OFFLOADED = BIT(MLX5E_TC_FLOW_BASE), 74d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(MLX5E_TC_FLOW_BASE + 1), 75d9ee0491SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(MLX5E_TC_FLOW_BASE + 2), 76d9ee0491SOr Gerlitz MLX5E_TC_FLOW_SLOW = BIT(MLX5E_TC_FLOW_BASE + 3), 77d9ee0491SOr Gerlitz MLX5E_TC_FLOW_DUP = BIT(MLX5E_TC_FLOW_BASE + 4), 78ef06c9eeSRoi Dayan MLX5E_TC_FLOW_NOT_READY = BIT(MLX5E_TC_FLOW_BASE + 5), 7965ba8fb7SOr Gerlitz }; 8065ba8fb7SOr Gerlitz 81e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 82e4ad91f2SChris Mi 8379baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 8479baaec7SEli Britstein * Containing struct 8579baaec7SEli Britstein * |- Helper array 8679baaec7SEli Britstein * [0] Helper item 0 8779baaec7SEli Britstein * |- list_head item 0 8879baaec7SEli Britstein * |- index (0) 8979baaec7SEli Britstein * [1] Helper item 1 9079baaec7SEli Britstein * |- list_head item 1 9179baaec7SEli Britstein * |- index (1) 9279baaec7SEli Britstein * To access the containing struct from one of the list_head items: 9379baaec7SEli Britstein * 1. Get the helper item from the list_head item using 9479baaec7SEli Britstein * helper item = 9579baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 9679baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 9779baaec7SEli Britstein * containing struct = 9879baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 9979baaec7SEli Britstein */ 10079baaec7SEli Britstein struct encap_flow_item { 10179baaec7SEli Britstein struct list_head list; 10279baaec7SEli Britstein int index; 10379baaec7SEli Britstein }; 10479baaec7SEli Britstein 105e8f887acSAmir Vadai struct mlx5e_tc_flow { 106e8f887acSAmir Vadai struct rhash_head node; 107655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 108e8f887acSAmir Vadai u64 cookie; 1095dbe906fSPaul Blakey u16 flags; 110e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11179baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 11279baaec7SEli Britstein * The number of encaps is bounded by the number of supported 11379baaec7SEli Britstein * destinations. 11479baaec7SEli Britstein */ 11579baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 11604de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 11711c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 1185c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 11904de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 1203bc4b7bfSOr Gerlitz union { 121ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1223bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1233bc4b7bfSOr Gerlitz }; 124e8f887acSAmir Vadai }; 125e8f887acSAmir Vadai 12617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 12798b66cb1SEli Britstein struct ip_tunnel_info tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 128d11afc26SOz Shlomo struct net_device *filter_dev; 12917091853SOr Gerlitz struct mlx5_flow_spec spec; 130d79b6df6SOr Gerlitz int num_mod_hdr_actions; 131218d05ceSTonghao Zhang int max_mod_hdr_actions; 132d79b6df6SOr Gerlitz void *mod_hdr_actions; 13398b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 13417091853SOr Gerlitz }; 13517091853SOr Gerlitz 136acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 137b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 138e8f887acSAmir Vadai 13977ab67b7SOr Gerlitz struct mlx5e_hairpin { 14077ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 14177ab67b7SOr Gerlitz 14277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1433f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 14477ab67b7SOr Gerlitz u32 tdn; 14577ab67b7SOr Gerlitz u32 tirn; 1463f6d08d1SOr Gerlitz 1473f6d08d1SOr Gerlitz int num_channels; 1483f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1493f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1503f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 15177ab67b7SOr Gerlitz }; 15277ab67b7SOr Gerlitz 1535c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1545c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1555c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1565c65c564SOr Gerlitz 1575c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1585c65c564SOr Gerlitz struct list_head flows; 1595c65c564SOr Gerlitz 160d8822868SOr Gerlitz u16 peer_vhca_id; 161106be53bSOr Gerlitz u8 prio; 1625c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1635c65c564SOr Gerlitz }; 1645c65c564SOr Gerlitz 16511c9c548SOr Gerlitz struct mod_hdr_key { 16611c9c548SOr Gerlitz int num_actions; 16711c9c548SOr Gerlitz void *actions; 16811c9c548SOr Gerlitz }; 16911c9c548SOr Gerlitz 17011c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 17111c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 17211c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 17311c9c548SOr Gerlitz 17411c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 17511c9c548SOr Gerlitz struct list_head flows; 17611c9c548SOr Gerlitz 17711c9c548SOr Gerlitz struct mod_hdr_key key; 17811c9c548SOr Gerlitz 17911c9c548SOr Gerlitz u32 mod_hdr_id; 18011c9c548SOr Gerlitz }; 18111c9c548SOr Gerlitz 18211c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 18311c9c548SOr Gerlitz 18411c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 18511c9c548SOr Gerlitz { 18611c9c548SOr Gerlitz return jhash(key->actions, 18711c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 18811c9c548SOr Gerlitz } 18911c9c548SOr Gerlitz 19011c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 19111c9c548SOr Gerlitz struct mod_hdr_key *b) 19211c9c548SOr Gerlitz { 19311c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 19411c9c548SOr Gerlitz return 1; 19511c9c548SOr Gerlitz 19611c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 19711c9c548SOr Gerlitz } 19811c9c548SOr Gerlitz 19911c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 20011c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 20111c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 20211c9c548SOr Gerlitz { 20311c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20411c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 20511c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 20611c9c548SOr Gerlitz struct mod_hdr_key key; 20711c9c548SOr Gerlitz bool found = false; 20811c9c548SOr Gerlitz u32 hash_key; 20911c9c548SOr Gerlitz 21011c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 21111c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 21211c9c548SOr Gerlitz 21311c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 21411c9c548SOr Gerlitz key.num_actions = num_actions; 21511c9c548SOr Gerlitz 21611c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 21711c9c548SOr Gerlitz 21811c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 21911c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 22011c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 22111c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 22211c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 22311c9c548SOr Gerlitz found = true; 22411c9c548SOr Gerlitz break; 22511c9c548SOr Gerlitz } 22611c9c548SOr Gerlitz } 22711c9c548SOr Gerlitz } else { 22811c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 22911c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 23011c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 23111c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 23211c9c548SOr Gerlitz found = true; 23311c9c548SOr Gerlitz break; 23411c9c548SOr Gerlitz } 23511c9c548SOr Gerlitz } 23611c9c548SOr Gerlitz } 23711c9c548SOr Gerlitz 23811c9c548SOr Gerlitz if (found) 23911c9c548SOr Gerlitz goto attach_flow; 24011c9c548SOr Gerlitz 24111c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 24211c9c548SOr Gerlitz if (!mh) 24311c9c548SOr Gerlitz return -ENOMEM; 24411c9c548SOr Gerlitz 24511c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 24611c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 24711c9c548SOr Gerlitz mh->key.num_actions = num_actions; 24811c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 24911c9c548SOr Gerlitz 25011c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 25111c9c548SOr Gerlitz mh->key.num_actions, 25211c9c548SOr Gerlitz mh->key.actions, 25311c9c548SOr Gerlitz &mh->mod_hdr_id); 25411c9c548SOr Gerlitz if (err) 25511c9c548SOr Gerlitz goto out_err; 25611c9c548SOr Gerlitz 25711c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 25811c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 25911c9c548SOr Gerlitz else 26011c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 26111c9c548SOr Gerlitz 26211c9c548SOr Gerlitz attach_flow: 26311c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 26411c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 26511c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 26611c9c548SOr Gerlitz else 26711c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 26811c9c548SOr Gerlitz 26911c9c548SOr Gerlitz return 0; 27011c9c548SOr Gerlitz 27111c9c548SOr Gerlitz out_err: 27211c9c548SOr Gerlitz kfree(mh); 27311c9c548SOr Gerlitz return err; 27411c9c548SOr Gerlitz } 27511c9c548SOr Gerlitz 27611c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 27711c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 27811c9c548SOr Gerlitz { 27911c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 28011c9c548SOr Gerlitz 28111c9c548SOr Gerlitz list_del(&flow->mod_hdr); 28211c9c548SOr Gerlitz 28311c9c548SOr Gerlitz if (list_empty(next)) { 28411c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 28511c9c548SOr Gerlitz 28611c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 28711c9c548SOr Gerlitz 28811c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 28911c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 29011c9c548SOr Gerlitz kfree(mh); 29111c9c548SOr Gerlitz } 29211c9c548SOr Gerlitz } 29311c9c548SOr Gerlitz 29477ab67b7SOr Gerlitz static 29577ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 29677ab67b7SOr Gerlitz { 29777ab67b7SOr Gerlitz struct net_device *netdev; 29877ab67b7SOr Gerlitz struct mlx5e_priv *priv; 29977ab67b7SOr Gerlitz 30077ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 30177ab67b7SOr Gerlitz priv = netdev_priv(netdev); 30277ab67b7SOr Gerlitz return priv->mdev; 30377ab67b7SOr Gerlitz } 30477ab67b7SOr Gerlitz 30577ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 30677ab67b7SOr Gerlitz { 30777ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 30877ab67b7SOr Gerlitz void *tirc; 30977ab67b7SOr Gerlitz int err; 31077ab67b7SOr Gerlitz 31177ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 31277ab67b7SOr Gerlitz if (err) 31377ab67b7SOr Gerlitz goto alloc_tdn_err; 31477ab67b7SOr Gerlitz 31577ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 31677ab67b7SOr Gerlitz 31777ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 318ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 31977ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 32077ab67b7SOr Gerlitz 32177ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 32277ab67b7SOr Gerlitz if (err) 32377ab67b7SOr Gerlitz goto create_tir_err; 32477ab67b7SOr Gerlitz 32577ab67b7SOr Gerlitz return 0; 32677ab67b7SOr Gerlitz 32777ab67b7SOr Gerlitz create_tir_err: 32877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 32977ab67b7SOr Gerlitz alloc_tdn_err: 33077ab67b7SOr Gerlitz return err; 33177ab67b7SOr Gerlitz } 33277ab67b7SOr Gerlitz 33377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 33477ab67b7SOr Gerlitz { 33577ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 33677ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 33777ab67b7SOr Gerlitz } 33877ab67b7SOr Gerlitz 3393f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3403f6d08d1SOr Gerlitz { 3413f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3423f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3433f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3443f6d08d1SOr Gerlitz 3453f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3463f6d08d1SOr Gerlitz hp->num_channels); 3473f6d08d1SOr Gerlitz 3483f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3493f6d08d1SOr Gerlitz ix = i; 350bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 3513f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3523f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3533f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3543f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3553f6d08d1SOr Gerlitz } 3563f6d08d1SOr Gerlitz } 3573f6d08d1SOr Gerlitz 3583f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3593f6d08d1SOr Gerlitz { 3603f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3613f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3623f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3633f6d08d1SOr Gerlitz void *rqtc; 3643f6d08d1SOr Gerlitz u32 *in; 3653f6d08d1SOr Gerlitz 3663f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3673f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3683f6d08d1SOr Gerlitz if (!in) 3693f6d08d1SOr Gerlitz return -ENOMEM; 3703f6d08d1SOr Gerlitz 3713f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3723f6d08d1SOr Gerlitz 3733f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3743f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3753f6d08d1SOr Gerlitz 3763f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3773f6d08d1SOr Gerlitz 3783f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3793f6d08d1SOr Gerlitz if (!err) 3803f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3813f6d08d1SOr Gerlitz 3823f6d08d1SOr Gerlitz kvfree(in); 3833f6d08d1SOr Gerlitz return err; 3843f6d08d1SOr Gerlitz } 3853f6d08d1SOr Gerlitz 3863f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3873f6d08d1SOr Gerlitz { 3883f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3893f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3903f6d08d1SOr Gerlitz int tt, i, err; 3913f6d08d1SOr Gerlitz void *tirc; 3923f6d08d1SOr Gerlitz 3933f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 394d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 395d930ac79SAya Levin 3963f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3973f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3983f6d08d1SOr Gerlitz 3993f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 4003f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 4013f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 402bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 403bbeb53b8SAya Levin 4043f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 4053f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 4063f6d08d1SOr Gerlitz if (err) { 4073f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 4083f6d08d1SOr Gerlitz goto err_destroy_tirs; 4093f6d08d1SOr Gerlitz } 4103f6d08d1SOr Gerlitz } 4113f6d08d1SOr Gerlitz return 0; 4123f6d08d1SOr Gerlitz 4133f6d08d1SOr Gerlitz err_destroy_tirs: 4143f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 4153f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 4163f6d08d1SOr Gerlitz return err; 4173f6d08d1SOr Gerlitz } 4183f6d08d1SOr Gerlitz 4193f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 4203f6d08d1SOr Gerlitz { 4213f6d08d1SOr Gerlitz int tt; 4223f6d08d1SOr Gerlitz 4233f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4243f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 4253f6d08d1SOr Gerlitz } 4263f6d08d1SOr Gerlitz 4273f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 4283f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 4293f6d08d1SOr Gerlitz { 4303f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4313f6d08d1SOr Gerlitz int tt; 4323f6d08d1SOr Gerlitz 4333f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4343f6d08d1SOr Gerlitz 4353f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4363f6d08d1SOr Gerlitz 4373f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4383f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4393f6d08d1SOr Gerlitz 4403f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4413f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4423f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4433f6d08d1SOr Gerlitz } 4443f6d08d1SOr Gerlitz 4453f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4463f6d08d1SOr Gerlitz { 4473f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4483f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4493f6d08d1SOr Gerlitz int err; 4503f6d08d1SOr Gerlitz 4513f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4523f6d08d1SOr Gerlitz if (err) 4533f6d08d1SOr Gerlitz return err; 4543f6d08d1SOr Gerlitz 4553f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4563f6d08d1SOr Gerlitz if (err) 4573f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4583f6d08d1SOr Gerlitz 4593f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4603f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4613f6d08d1SOr Gerlitz if (err) 4623f6d08d1SOr Gerlitz goto err_create_ttc_table; 4633f6d08d1SOr Gerlitz 4643f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4653f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4663f6d08d1SOr Gerlitz 4673f6d08d1SOr Gerlitz return 0; 4683f6d08d1SOr Gerlitz 4693f6d08d1SOr Gerlitz err_create_ttc_table: 4703f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4713f6d08d1SOr Gerlitz err_create_indirect_tirs: 4723f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4733f6d08d1SOr Gerlitz 4743f6d08d1SOr Gerlitz return err; 4753f6d08d1SOr Gerlitz } 4763f6d08d1SOr Gerlitz 4773f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4783f6d08d1SOr Gerlitz { 4793f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4803f6d08d1SOr Gerlitz 4813f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4823f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4833f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4843f6d08d1SOr Gerlitz } 4853f6d08d1SOr Gerlitz 48677ab67b7SOr Gerlitz static struct mlx5e_hairpin * 48777ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 48877ab67b7SOr Gerlitz int peer_ifindex) 48977ab67b7SOr Gerlitz { 49077ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 49177ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 49277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 49377ab67b7SOr Gerlitz int err; 49477ab67b7SOr Gerlitz 49577ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 49677ab67b7SOr Gerlitz if (!hp) 49777ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 49877ab67b7SOr Gerlitz 49977ab67b7SOr Gerlitz func_mdev = priv->mdev; 50077ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 50177ab67b7SOr Gerlitz 50277ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 50377ab67b7SOr Gerlitz if (IS_ERR(pair)) { 50477ab67b7SOr Gerlitz err = PTR_ERR(pair); 50577ab67b7SOr Gerlitz goto create_pair_err; 50677ab67b7SOr Gerlitz } 50777ab67b7SOr Gerlitz hp->pair = pair; 50877ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 5093f6d08d1SOr Gerlitz hp->func_priv = priv; 5103f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 51177ab67b7SOr Gerlitz 51277ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 51377ab67b7SOr Gerlitz if (err) 51477ab67b7SOr Gerlitz goto create_transport_err; 51577ab67b7SOr Gerlitz 5163f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 5173f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 5183f6d08d1SOr Gerlitz if (err) 5193f6d08d1SOr Gerlitz goto rss_init_err; 5203f6d08d1SOr Gerlitz } 5213f6d08d1SOr Gerlitz 52277ab67b7SOr Gerlitz return hp; 52377ab67b7SOr Gerlitz 5243f6d08d1SOr Gerlitz rss_init_err: 5253f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 52677ab67b7SOr Gerlitz create_transport_err: 52777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 52877ab67b7SOr Gerlitz create_pair_err: 52977ab67b7SOr Gerlitz kfree(hp); 53077ab67b7SOr Gerlitz return ERR_PTR(err); 53177ab67b7SOr Gerlitz } 53277ab67b7SOr Gerlitz 53377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 53477ab67b7SOr Gerlitz { 5353f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5363f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 53777ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 53877ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 53977ab67b7SOr Gerlitz kvfree(hp); 54077ab67b7SOr Gerlitz } 54177ab67b7SOr Gerlitz 542106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 543106be53bSOr Gerlitz { 544106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 545106be53bSOr Gerlitz } 546106be53bSOr Gerlitz 5475c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 548106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5495c65c564SOr Gerlitz { 5505c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 551106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5525c65c564SOr Gerlitz 5535c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 554106be53bSOr Gerlitz hairpin_hlist, hash_key) { 555106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5565c65c564SOr Gerlitz return hpe; 5575c65c564SOr Gerlitz } 5585c65c564SOr Gerlitz 5595c65c564SOr Gerlitz return NULL; 5605c65c564SOr Gerlitz } 5615c65c564SOr Gerlitz 562106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 563106be53bSOr Gerlitz 564106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 565e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 566e98bedf5SEli Britstein struct netlink_ext_ack *extack) 567106be53bSOr Gerlitz { 568106be53bSOr Gerlitz void *headers_c, *headers_v; 569106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 570106be53bSOr Gerlitz bool vlan_present; 571106be53bSOr Gerlitz 572106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 573106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 574e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 575e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 576106be53bSOr Gerlitz return -EOPNOTSUPP; 577106be53bSOr Gerlitz } 578106be53bSOr Gerlitz #endif 579106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 580106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 581106be53bSOr Gerlitz 582106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 583106be53bSOr Gerlitz if (vlan_present) { 584106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 585106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 586106be53bSOr Gerlitz } 587106be53bSOr Gerlitz 588106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 589106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 590106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 591e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 592e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 593106be53bSOr Gerlitz return -EOPNOTSUPP; 594106be53bSOr Gerlitz } 595106be53bSOr Gerlitz 596106be53bSOr Gerlitz *match_prio = prio_val; 597106be53bSOr Gerlitz return 0; 598106be53bSOr Gerlitz } 599106be53bSOr Gerlitz 6005c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 6015c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 602e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 603e98bedf5SEli Britstein struct netlink_ext_ack *extack) 6045c65c564SOr Gerlitz { 60598b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 6065c65c564SOr Gerlitz struct mlx5_hairpin_params params; 607d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 6085c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6095c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 6103f6d08d1SOr Gerlitz u64 link_speed64; 6113f6d08d1SOr Gerlitz u32 link_speed; 612106be53bSOr Gerlitz u8 match_prio; 613d8822868SOr Gerlitz u16 peer_id; 6145c65c564SOr Gerlitz int err; 6155c65c564SOr Gerlitz 616d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 617d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 618e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 6195c65c564SOr Gerlitz return -EOPNOTSUPP; 6205c65c564SOr Gerlitz } 6215c65c564SOr Gerlitz 622d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 623e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 624e98bedf5SEli Britstein extack); 625106be53bSOr Gerlitz if (err) 626106be53bSOr Gerlitz return err; 627106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 6285c65c564SOr Gerlitz if (hpe) 6295c65c564SOr Gerlitz goto attach_flow; 6305c65c564SOr Gerlitz 6315c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6325c65c564SOr Gerlitz if (!hpe) 6335c65c564SOr Gerlitz return -ENOMEM; 6345c65c564SOr Gerlitz 6355c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 636d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 637106be53bSOr Gerlitz hpe->prio = match_prio; 6385c65c564SOr Gerlitz 6395c65c564SOr Gerlitz params.log_data_size = 15; 6405c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6415c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6425c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6435c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6445c65c564SOr Gerlitz 645eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 646eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 647eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 648eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 649eb9180f7SOr Gerlitz 650eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6513f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6522c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6533f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6543f6d08d1SOr Gerlitz link_speed64 = link_speed; 6553f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6563f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6573f6d08d1SOr Gerlitz 6585c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6595c65c564SOr Gerlitz if (IS_ERR(hp)) { 6605c65c564SOr Gerlitz err = PTR_ERR(hp); 6615c65c564SOr Gerlitz goto create_hairpin_err; 6625c65c564SOr Gerlitz } 6635c65c564SOr Gerlitz 664eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 665ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 666eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6675c65c564SOr Gerlitz 6685c65c564SOr Gerlitz hpe->hp = hp; 669106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 670106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6715c65c564SOr Gerlitz 6725c65c564SOr Gerlitz attach_flow: 6733f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6743f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6753f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6763f6d08d1SOr Gerlitz } else { 6775c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6783f6d08d1SOr Gerlitz } 6795c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6803f6d08d1SOr Gerlitz 6815c65c564SOr Gerlitz return 0; 6825c65c564SOr Gerlitz 6835c65c564SOr Gerlitz create_hairpin_err: 6845c65c564SOr Gerlitz kfree(hpe); 6855c65c564SOr Gerlitz return err; 6865c65c564SOr Gerlitz } 6875c65c564SOr Gerlitz 6885c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6895c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6905c65c564SOr Gerlitz { 6915c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6925c65c564SOr Gerlitz 6935c65c564SOr Gerlitz list_del(&flow->hairpin); 6945c65c564SOr Gerlitz 6955c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6965c65c564SOr Gerlitz if (list_empty(next)) { 6975c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6985c65c564SOr Gerlitz 6995c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 7005c65c564SOr Gerlitz 7015c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 7025c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 7035c65c564SOr Gerlitz 7045c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 7055c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 7065c65c564SOr Gerlitz kfree(hpe); 7075c65c564SOr Gerlitz } 7085c65c564SOr Gerlitz } 7095c65c564SOr Gerlitz 710c83954abSRabie Loulou static int 71174491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 71217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 713e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 714e98bedf5SEli Britstein struct netlink_ext_ack *extack) 715e8f887acSAmir Vadai { 716aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 717aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 7185c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 71966958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 7203bc4b7bfSOr Gerlitz .action = attr->action, 7213bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 72260786f09SMark Bloch .reformat_id = 0, 72342f7ad67SPaul Blakey .flags = FLOW_ACT_HAS_TAG | FLOW_ACT_NO_APPEND, 72466958ed9SHadar Hen Zion }; 725aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 726e8f887acSAmir Vadai bool table_created = false; 7275c65c564SOr Gerlitz int err, dest_ix = 0; 728e8f887acSAmir Vadai 7295c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 730e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7315c65c564SOr Gerlitz if (err) { 7325c65c564SOr Gerlitz goto err_add_hairpin_flow; 7335c65c564SOr Gerlitz } 7343f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7353f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7363f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7373f6d08d1SOr Gerlitz } else { 7385c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7395c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7403f6d08d1SOr Gerlitz } 7413f6d08d1SOr Gerlitz dest_ix++; 7423f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7435c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7445c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7455c65c564SOr Gerlitz dest_ix++; 7465c65c564SOr Gerlitz } 747aad7e08dSAmir Vadai 7485c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7495c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7505c65c564SOr Gerlitz if (IS_ERR(counter)) { 751c83954abSRabie Loulou err = PTR_ERR(counter); 7525c65c564SOr Gerlitz goto err_fc_create; 7535c65c564SOr Gerlitz } 7545c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 755171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 7565c65c564SOr Gerlitz dest_ix++; 757b8aee822SMark Bloch attr->counter = counter; 758aad7e08dSAmir Vadai } 759aad7e08dSAmir Vadai 7602f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7613099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 762d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7632f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 764c83954abSRabie Loulou if (err) 7652f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7662f4fe4caSOr Gerlitz } 7672f4fe4caSOr Gerlitz 768acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 76921b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 77021b9c144SOr Gerlitz u32 max_flow_counter; 77121b9c144SOr Gerlitz 77221b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 77321b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 77421b9c144SOr Gerlitz 77521b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 77621b9c144SOr Gerlitz 77721b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 77821b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 77921b9c144SOr Gerlitz 780acff797cSMaor Gottlieb priv->fs.tc.t = 781acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 782acff797cSMaor Gottlieb MLX5E_TC_PRIO, 78321b9c144SOr Gerlitz tc_tbl_size, 784acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7853f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 786acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 787e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 788e98bedf5SEli Britstein "Failed to create tc offload table\n"); 789e8f887acSAmir Vadai netdev_err(priv->netdev, 790e8f887acSAmir Vadai "Failed to create tc offload table\n"); 791c83954abSRabie Loulou err = PTR_ERR(priv->fs.tc.t); 792aad7e08dSAmir Vadai goto err_create_ft; 793e8f887acSAmir Vadai } 794e8f887acSAmir Vadai 795e8f887acSAmir Vadai table_created = true; 796e8f887acSAmir Vadai } 797e8f887acSAmir Vadai 79838aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 79917091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 80038aa51c1SOr Gerlitz 801c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 8025c65c564SOr Gerlitz &flow_act, dest, dest_ix); 803e8f887acSAmir Vadai 804c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 805c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 806aad7e08dSAmir Vadai goto err_add_rule; 807c83954abSRabie Loulou } 808aad7e08dSAmir Vadai 809c83954abSRabie Loulou return 0; 810aad7e08dSAmir Vadai 811aad7e08dSAmir Vadai err_add_rule: 812aad7e08dSAmir Vadai if (table_created) { 813acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 814acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 815e8f887acSAmir Vadai } 816aad7e08dSAmir Vadai err_create_ft: 8172f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8183099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8192f4fe4caSOr Gerlitz err_create_mod_hdr_id: 820aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 8215c65c564SOr Gerlitz err_fc_create: 8225c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8235c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 8245c65c564SOr Gerlitz err_add_hairpin_flow: 825c83954abSRabie Loulou return err; 826e8f887acSAmir Vadai } 827e8f887acSAmir Vadai 828d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 829d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 830d85cdccbSOr Gerlitz { 831513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 832d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 833d85cdccbSOr Gerlitz 834b8aee822SMark Bloch counter = attr->counter; 835e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 836d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 837d85cdccbSOr Gerlitz 838d9ee0491SOr Gerlitz if (!mlx5e_tc_num_filters(priv, MLX5E_TC_NIC_OFFLOAD) && priv->fs.tc.t) { 839d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 840d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 841d85cdccbSOr Gerlitz } 8422f4fe4caSOr Gerlitz 843513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8443099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8455c65c564SOr Gerlitz 8465c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8475c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 848d85cdccbSOr Gerlitz } 849d85cdccbSOr Gerlitz 850aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 8518c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 852aa0cbbaeSOr Gerlitz 8533c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 854e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 855733d4f36SRoi Dayan struct net_device *mirred_dev, 856733d4f36SRoi Dayan int out_index, 8578c4dc42bSEli Britstein struct netlink_ext_ack *extack, 8580ad060eeSRoi Dayan struct net_device **encap_dev, 8590ad060eeSRoi Dayan bool *encap_valid); 8603c37745eSOr Gerlitz 8616d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 8626d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 8636d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8646d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 8656d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8666d2a3ed0SOr Gerlitz { 8676d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 8686d2a3ed0SOr Gerlitz 8696d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 8706d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 8716d2a3ed0SOr Gerlitz return rule; 8726d2a3ed0SOr Gerlitz 873e85e02baSEli Britstein if (attr->split_count) { 8746d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 8756d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 8766d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 8776d2a3ed0SOr Gerlitz return flow->rule[1]; 8786d2a3ed0SOr Gerlitz } 8796d2a3ed0SOr Gerlitz } 8806d2a3ed0SOr Gerlitz 8816d2a3ed0SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 8826d2a3ed0SOr Gerlitz return rule; 8836d2a3ed0SOr Gerlitz } 8846d2a3ed0SOr Gerlitz 8856d2a3ed0SOr Gerlitz static void 8866d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 8876d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8886d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8896d2a3ed0SOr Gerlitz { 8906d2a3ed0SOr Gerlitz flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 8916d2a3ed0SOr Gerlitz 892e85e02baSEli Britstein if (attr->split_count) 8936d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 8946d2a3ed0SOr Gerlitz 8956d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 8966d2a3ed0SOr Gerlitz } 8976d2a3ed0SOr Gerlitz 8985dbe906fSPaul Blakey static struct mlx5_flow_handle * 8995dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 9005dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9015dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 9025dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9035dbe906fSPaul Blakey { 9045dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 9055dbe906fSPaul Blakey 9065dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 907154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9082be09de7SDavid S. Miller slow_attr->split_count = 0; 909154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9105dbe906fSPaul Blakey 9115dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 9125dbe906fSPaul Blakey if (!IS_ERR(rule)) 9135dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_SLOW; 9145dbe906fSPaul Blakey 9155dbe906fSPaul Blakey return rule; 9165dbe906fSPaul Blakey } 9175dbe906fSPaul Blakey 9185dbe906fSPaul Blakey static void 9195dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 9205dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9215dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9225dbe906fSPaul Blakey { 9235dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 924154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9252be09de7SDavid S. Miller slow_attr->split_count = 0; 926154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9275dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 9285dbe906fSPaul Blakey flow->flags &= ~MLX5E_TC_FLOW_SLOW; 9295dbe906fSPaul Blakey } 9305dbe906fSPaul Blakey 931c83954abSRabie Loulou static int 93274491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 933e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 934e98bedf5SEli Britstein struct netlink_ext_ack *extack) 935adb4c123SOr Gerlitz { 936adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 937bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 938aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 9397040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 940bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 9413c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 942b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 9433c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 9443c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 9450ad060eeSRoi Dayan bool encap_valid = true; 9460ad060eeSRoi Dayan int err = 0; 947f493f155SEli Britstein int out_index; 9488b32580dSOr Gerlitz 949d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 950d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 951d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 952d14f6f2aSOr Gerlitz } 953e52c2802SPaul Blakey 954bf07aa73SPaul Blakey if (attr->chain > max_chain) { 955bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 956bf07aa73SPaul Blakey err = -EOPNOTSUPP; 957bf07aa73SPaul Blakey goto err_max_prio_chain; 958bf07aa73SPaul Blakey } 959bf07aa73SPaul Blakey 960bf07aa73SPaul Blakey if (attr->prio > max_prio) { 961bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 962bf07aa73SPaul Blakey err = -EOPNOTSUPP; 963bf07aa73SPaul Blakey goto err_max_prio_chain; 964bf07aa73SPaul Blakey } 965bf07aa73SPaul Blakey 966f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 9678c4dc42bSEli Britstein int mirred_ifindex; 9688c4dc42bSEli Britstein 969f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 970f493f155SEli Britstein continue; 971f493f155SEli Britstein 9727040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 9733c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 9748c4dc42bSEli Britstein mirred_ifindex); 975733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 9760ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 9770ad060eeSRoi Dayan if (err) 9783c37745eSOr Gerlitz goto err_attach_encap; 9790ad060eeSRoi Dayan 9803c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 9813c37745eSOr Gerlitz rpriv = out_priv->ppriv; 9821cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 9831cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 9843c37745eSOr Gerlitz } 9853c37745eSOr Gerlitz 9868b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 987c83954abSRabie Loulou if (err) 988aa0cbbaeSOr Gerlitz goto err_add_vlan; 989adb4c123SOr Gerlitz 990d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9911a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 992d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 993c83954abSRabie Loulou if (err) 994d7e75a32SOr Gerlitz goto err_mod_hdr; 995d7e75a32SOr Gerlitz } 996d7e75a32SOr Gerlitz 997b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 998f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 999b8aee822SMark Bloch if (IS_ERR(counter)) { 1000c83954abSRabie Loulou err = PTR_ERR(counter); 1001b8aee822SMark Bloch goto err_create_counter; 1002b8aee822SMark Bloch } 1003b8aee822SMark Bloch 1004b8aee822SMark Bloch attr->counter = counter; 1005b8aee822SMark Bloch } 1006b8aee822SMark Bloch 10070ad060eeSRoi Dayan /* we get here if one of the following takes place: 10080ad060eeSRoi Dayan * (1) there's no error 10090ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 10103c37745eSOr Gerlitz */ 10110ad060eeSRoi Dayan if (!encap_valid) { 10125dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 10135dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 10145dbe906fSPaul Blakey 10155dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 10165dbe906fSPaul Blakey } else { 10176d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 10185dbe906fSPaul Blakey } 10195dbe906fSPaul Blakey 1020c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 1021c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 1022aa0cbbaeSOr Gerlitz goto err_add_rule; 1023c83954abSRabie Loulou } 1024c83954abSRabie Loulou 10255dbe906fSPaul Blakey return 0; 1026aa0cbbaeSOr Gerlitz 1027aa0cbbaeSOr Gerlitz err_add_rule: 1028f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, counter); 1029b8aee822SMark Bloch err_create_counter: 1030513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10311a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1032d7e75a32SOr Gerlitz err_mod_hdr: 1033aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1034aa0cbbaeSOr Gerlitz err_add_vlan: 1035f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10368c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10378c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 10383c37745eSOr Gerlitz err_attach_encap: 1039bf07aa73SPaul Blakey err_max_prio_chain: 1040c83954abSRabie Loulou return err; 1041aa0cbbaeSOr Gerlitz } 1042d85cdccbSOr Gerlitz 1043d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1044d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1045d85cdccbSOr Gerlitz { 1046d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1047d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10485dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1049f493f155SEli Britstein int out_index; 1050d85cdccbSOr Gerlitz 1051ef06c9eeSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_NOT_READY) { 1052ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1053ef06c9eeSRoi Dayan return; 1054ef06c9eeSRoi Dayan } 1055ef06c9eeSRoi Dayan 10565dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 10575dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_SLOW) 10585dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10595dbe906fSPaul Blakey else 10605dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 10615dbe906fSPaul Blakey } 1062d85cdccbSOr Gerlitz 1063513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1064d85cdccbSOr Gerlitz 1065f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10668c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10678c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1068f493f155SEli Britstein kvfree(attr->parse_attr); 1069d7e75a32SOr Gerlitz 1070513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10711a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1072b8aee822SMark Bloch 1073b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1074f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1075d85cdccbSOr Gerlitz } 1076d85cdccbSOr Gerlitz 1077232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1078232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1079232c0013SHadar Hen Zion { 10803c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 10815dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 10826d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10836d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 108479baaec7SEli Britstein struct encap_flow_item *efi; 1085232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1086232c0013SHadar Hen Zion int err; 1087232c0013SHadar Hen Zion 108854c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 108954c177caSOz Shlomo e->reformat_type, 1090232c0013SHadar Hen Zion e->encap_size, e->encap_header, 109131ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1092232c0013SHadar Hen Zion &e->encap_id); 1093232c0013SHadar Hen Zion if (err) { 1094232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1095232c0013SHadar Hen Zion err); 1096232c0013SHadar Hen Zion return; 1097232c0013SHadar Hen Zion } 1098232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1099f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1100232c0013SHadar Hen Zion 110179baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 11028c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 11038c4dc42bSEli Britstein int i; 11048c4dc42bSEli Britstein 110579baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11063c37745eSOr Gerlitz esw_attr = flow->esw_attr; 11076d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 11086d2a3ed0SOr Gerlitz 11098c4dc42bSEli Britstein esw_attr->dests[efi->index].encap_id = e->encap_id; 11108c4dc42bSEli Britstein esw_attr->dests[efi->index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 11118c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 11128c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 11138c4dc42bSEli Britstein * a valid neighbour. 11148c4dc42bSEli Britstein */ 11158c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 11168c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 11178c4dc42bSEli Britstein continue; 11188c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 11198c4dc42bSEli Britstein all_flow_encaps_valid = false; 11208c4dc42bSEli Britstein break; 11218c4dc42bSEli Britstein } 11228c4dc42bSEli Britstein } 11238c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 11248c4dc42bSEli Britstein if (!all_flow_encaps_valid) 11258c4dc42bSEli Britstein continue; 11265dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 11276d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 11286d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 11296d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1130232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1131232c0013SHadar Hen Zion err); 1132232c0013SHadar Hen Zion continue; 1133232c0013SHadar Hen Zion } 11345dbe906fSPaul Blakey 11355dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 11365dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when slow path rule removed */ 11376d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1138232c0013SHadar Hen Zion } 1139232c0013SHadar Hen Zion } 1140232c0013SHadar Hen Zion 1141232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1142232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1143232c0013SHadar Hen Zion { 11443c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11455dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 11465dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11475dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 114879baaec7SEli Britstein struct encap_flow_item *efi; 1149232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 11505dbe906fSPaul Blakey int err; 1151232c0013SHadar Hen Zion 115279baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 115379baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11545dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 11555dbe906fSPaul Blakey 11565dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 11575dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 11588c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 11598c4dc42bSEli Britstein flow->esw_attr->dests[efi->index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 11605dbe906fSPaul Blakey 11615dbe906fSPaul Blakey if (IS_ERR(rule)) { 11625dbe906fSPaul Blakey err = PTR_ERR(rule); 11635dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 11645dbe906fSPaul Blakey err); 11655dbe906fSPaul Blakey continue; 11665dbe906fSPaul Blakey } 11675dbe906fSPaul Blakey 11686d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 11695dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when fast path rule removed */ 11705dbe906fSPaul Blakey flow->rule[0] = rule; 1171232c0013SHadar Hen Zion } 1172232c0013SHadar Hen Zion 117361c806daSOr Gerlitz /* we know that the encap is valid */ 1174232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 117560786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1176232c0013SHadar Hen Zion } 1177232c0013SHadar Hen Zion 1178b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1179b8aee822SMark Bloch { 1180b8aee822SMark Bloch if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1181b8aee822SMark Bloch return flow->esw_attr->counter; 1182b8aee822SMark Bloch else 1183b8aee822SMark Bloch return flow->nic_attr->counter; 1184b8aee822SMark Bloch } 1185b8aee822SMark Bloch 1186f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1187f6dfb4c3SHadar Hen Zion { 1188f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1189f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1190f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1191f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1192f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1193f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1194f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1195f6dfb4c3SHadar Hen Zion struct neighbour *n; 1196f6dfb4c3SHadar Hen Zion 1197f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1198f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1199f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1200f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1201423c9db2SOr Gerlitz tbl = &nd_tbl; 1202f6dfb4c3SHadar Hen Zion #endif 1203f6dfb4c3SHadar Hen Zion else 1204f6dfb4c3SHadar Hen Zion return; 1205f6dfb4c3SHadar Hen Zion 1206f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 120779baaec7SEli Britstein struct encap_flow_item *efi; 1208f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1209f6dfb4c3SHadar Hen Zion continue; 121079baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 121179baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 121279baaec7SEli Britstein encaps[efi->index]); 1213f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 1214b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 1215f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1216f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1217f6dfb4c3SHadar Hen Zion neigh_used = true; 1218f6dfb4c3SHadar Hen Zion break; 1219f6dfb4c3SHadar Hen Zion } 1220f6dfb4c3SHadar Hen Zion } 1221f6dfb4c3SHadar Hen Zion } 1222e36d4810SRoi Dayan if (neigh_used) 1223e36d4810SRoi Dayan break; 1224f6dfb4c3SHadar Hen Zion } 1225f6dfb4c3SHadar Hen Zion 1226f6dfb4c3SHadar Hen Zion if (neigh_used) { 1227f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1228f6dfb4c3SHadar Hen Zion 1229f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1230f6dfb4c3SHadar Hen Zion * dst ip pair 1231f6dfb4c3SHadar Hen Zion */ 1232f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1233c7f7ba8dSRoi Dayan if (!n) 1234f6dfb4c3SHadar Hen Zion return; 1235f6dfb4c3SHadar Hen Zion 1236f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1237f6dfb4c3SHadar Hen Zion neigh_release(n); 1238f6dfb4c3SHadar Hen Zion } 1239f6dfb4c3SHadar Hen Zion } 1240f6dfb4c3SHadar Hen Zion 1241d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 12428c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index) 1243d85cdccbSOr Gerlitz { 12448c4dc42bSEli Britstein struct list_head *next = flow->encaps[out_index].list.next; 12455067b602SRoi Dayan 12468c4dc42bSEli Britstein list_del(&flow->encaps[out_index].list); 12475067b602SRoi Dayan if (list_empty(next)) { 1248c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 12495067b602SRoi Dayan 1250c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1251232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1252232c0013SHadar Hen Zion 1253232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 125460786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1255232c0013SHadar Hen Zion 1256cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1257232c0013SHadar Hen Zion kfree(e->encap_header); 12585067b602SRoi Dayan kfree(e); 12595067b602SRoi Dayan } 12605067b602SRoi Dayan } 12615067b602SRoi Dayan 126204de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 126304de7ddaSRoi Dayan { 126404de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 126504de7ddaSRoi Dayan 126604de7ddaSRoi Dayan if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 126704de7ddaSRoi Dayan !(flow->flags & MLX5E_TC_FLOW_DUP)) 126804de7ddaSRoi Dayan return; 126904de7ddaSRoi Dayan 127004de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 127104de7ddaSRoi Dayan list_del(&flow->peer); 127204de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 127304de7ddaSRoi Dayan 127404de7ddaSRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_DUP; 127504de7ddaSRoi Dayan 127604de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 127704de7ddaSRoi Dayan kvfree(flow->peer_flow); 127804de7ddaSRoi Dayan flow->peer_flow = NULL; 127904de7ddaSRoi Dayan } 128004de7ddaSRoi Dayan 128104de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 128204de7ddaSRoi Dayan { 128304de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 128404de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 128504de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 128604de7ddaSRoi Dayan 128704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 128804de7ddaSRoi Dayan if (!peer_esw) 128904de7ddaSRoi Dayan return; 129004de7ddaSRoi Dayan 129104de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 129204de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 129304de7ddaSRoi Dayan } 129404de7ddaSRoi Dayan 1295e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1296961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1297e8f887acSAmir Vadai { 129804de7ddaSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 129904de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1300d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 130104de7ddaSRoi Dayan } else { 1302d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1303e8f887acSAmir Vadai } 130404de7ddaSRoi Dayan } 1305e8f887acSAmir Vadai 1306bbd00f7eSHadar Hen Zion 1307bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1308bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 130954c177caSOz Shlomo struct tc_cls_flower_offload *f, 13106363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1311bbd00f7eSHadar Hen Zion { 1312e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1313bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1314bbd00f7eSHadar Hen Zion outer_headers); 1315bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1316bbd00f7eSHadar Hen Zion outer_headers); 13178f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 13188f256622SPablo Neira Ayuso struct flow_match_control enc_control; 13198f256622SPablo Neira Ayuso int err; 1320bbd00f7eSHadar Hen Zion 1321101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 13226363651dSOr Gerlitz headers_c, headers_v, match_level); 132354c177caSOz Shlomo if (err) { 132454c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 132554c177caSOz Shlomo "failed to parse tunnel attributes"); 1326101f4de9SOz Shlomo return err; 1327bbd00f7eSHadar Hen Zion } 1328bbd00f7eSHadar Hen Zion 13298f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &enc_control); 13308f256622SPablo Neira Ayuso 13318f256622SPablo Neira Ayuso if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 13328f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 13338f256622SPablo Neira Ayuso 13348f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1335bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1336bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13378f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1338bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1339bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13408f256622SPablo Neira Ayuso ntohl(match.key->src)); 1341bbd00f7eSHadar Hen Zion 1342bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1343bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13448f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1345bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1346bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13478f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1348bbd00f7eSHadar Hen Zion 1349bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1350bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 13518f256622SPablo Neira Ayuso } else if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 13528f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 135319f44401SOr Gerlitz 13548f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 135519f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 135619f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13578f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 135819f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 135919f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13608f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 136119f44401SOr Gerlitz 136219f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 136319f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 13648f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 136519f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 136619f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 13678f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 136819f44401SOr Gerlitz 136919f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 137019f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 13712e72eb43SOr Gerlitz } 1372bbd00f7eSHadar Hen Zion 13738f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 13748f256622SPablo Neira Ayuso struct flow_match_ip match; 1375bcef735cSOr Gerlitz 13768f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 13778f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 13788f256622SPablo Neira Ayuso match.mask->tos & 0x3); 13798f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 13808f256622SPablo Neira Ayuso match.key->tos & 0x3); 1381bcef735cSOr Gerlitz 13828f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 13838f256622SPablo Neira Ayuso match.mask->tos >> 2); 13848f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 13858f256622SPablo Neira Ayuso match.key->tos >> 2); 1386bcef735cSOr Gerlitz 13878f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 13888f256622SPablo Neira Ayuso match.mask->ttl); 13898f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 13908f256622SPablo Neira Ayuso match.key->ttl); 1391e98bedf5SEli Britstein 13928f256622SPablo Neira Ayuso if (match.mask->ttl && 1393e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1394e98bedf5SEli Britstein (priv->mdev, 1395e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1396e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1397e98bedf5SEli Britstein "Matching on TTL is not supported"); 1398e98bedf5SEli Britstein return -EOPNOTSUPP; 1399e98bedf5SEli Britstein } 1400e98bedf5SEli Britstein 1401bcef735cSOr Gerlitz } 1402bcef735cSOr Gerlitz 1403bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1404bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1405bbd00f7eSHadar Hen Zion */ 1406bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1407bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1408bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1409bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1410bbd00f7eSHadar Hen Zion 1411bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1412bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1413bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1414bbd00f7eSHadar Hen Zion 1415bbd00f7eSHadar Hen Zion return 0; 1416bbd00f7eSHadar Hen Zion } 1417bbd00f7eSHadar Hen Zion 1418de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1419de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1420de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 142154c177caSOz Shlomo struct net_device *filter_dev, 14226363651dSOr Gerlitz u8 *match_level, u8 *tunnel_match_level) 1423e3a2b7edSAmir Vadai { 1424e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1425c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1426c5bb1730SMaor Gottlieb outer_headers); 1427c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1428c5bb1730SMaor Gottlieb outer_headers); 1429699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1430699e96ddSJianbo Liu misc_parameters); 1431699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1432699e96ddSJianbo Liu misc_parameters); 14338f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 14348f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1435e3a2b7edSAmir Vadai u16 addr_type = 0; 1436e3a2b7edSAmir Vadai u8 ip_proto = 0; 1437e3a2b7edSAmir Vadai 1438d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1439de0af0bfSRoi Dayan 14408f256622SPablo Neira Ayuso if (dissector->used_keys & 1441e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1442e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1443e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1444095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1445699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1446e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1447e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1448bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1449bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1450bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1451bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1452bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1453e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1454fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1455bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 1456bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { 1457e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1458e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 14598f256622SPablo Neira Ayuso dissector->used_keys); 1460e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1461e3a2b7edSAmir Vadai } 1462e3a2b7edSAmir Vadai 14638f256622SPablo Neira Ayuso if ((flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 14648f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID) || 14658f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 14668f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 14678f256622SPablo Neira Ayuso struct flow_match_control match; 14688f256622SPablo Neira Ayuso 14698f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &match); 14708f256622SPablo Neira Ayuso switch (match.key->addr_type) { 1471bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 147219f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 14736363651dSOr Gerlitz if (parse_tunnel_attr(priv, spec, f, filter_dev, tunnel_match_level)) 1474bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1475bbd00f7eSHadar Hen Zion break; 1476bbd00f7eSHadar Hen Zion default: 1477bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1478bbd00f7eSHadar Hen Zion } 1479bbd00f7eSHadar Hen Zion 1480bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1481bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1482bbd00f7eSHadar Hen Zion */ 1483bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1484bbd00f7eSHadar Hen Zion inner_headers); 1485bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1486bbd00f7eSHadar Hen Zion inner_headers); 1487bbd00f7eSHadar Hen Zion } 1488bbd00f7eSHadar Hen Zion 14898f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 14908f256622SPablo Neira Ayuso struct flow_match_basic match; 1491e3a2b7edSAmir Vadai 14928f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 14938f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 14948f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 14958f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 14968f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 14978f256622SPablo Neira Ayuso 14988f256622SPablo Neira Ayuso if (match.mask->n_proto) 1499d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1500e3a2b7edSAmir Vadai } 1501e3a2b7edSAmir Vadai 15028f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) { 15038f256622SPablo Neira Ayuso struct flow_match_vlan match; 15048f256622SPablo Neira Ayuso 15058f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15068f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15078f256622SPablo Neira Ayuso match.mask->vlan_priority || 15088f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15098f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1510699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1511699e96ddSJianbo Liu svlan_tag, 1); 1512699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1513699e96ddSJianbo Liu svlan_tag, 1); 1514699e96ddSJianbo Liu } else { 1515699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1516699e96ddSJianbo Liu cvlan_tag, 1); 1517699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1518699e96ddSJianbo Liu cvlan_tag, 1); 1519699e96ddSJianbo Liu } 1520095b6cfdSOr Gerlitz 15218f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 15228f256622SPablo Neira Ayuso match.mask->vlan_id); 15238f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 15248f256622SPablo Neira Ayuso match.key->vlan_id); 1525358d79a4SOr Gerlitz 15268f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 15278f256622SPablo Neira Ayuso match.mask->vlan_priority); 15288f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 15298f256622SPablo Neira Ayuso match.key->vlan_priority); 153054782900SOr Gerlitz 1531d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1532095b6cfdSOr Gerlitz } 1533d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1534cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1535cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1536d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1537095b6cfdSOr Gerlitz } 1538095b6cfdSOr Gerlitz 15398f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 15408f256622SPablo Neira Ayuso struct flow_match_vlan match; 15418f256622SPablo Neira Ayuso 15428f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15438f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15448f256622SPablo Neira Ayuso match.mask->vlan_priority || 15458f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15468f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1547699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1548699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1549699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1550699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1551699e96ddSJianbo Liu } else { 1552699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1553699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1554699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1555699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1556699e96ddSJianbo Liu } 1557699e96ddSJianbo Liu 1558699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 15598f256622SPablo Neira Ayuso match.mask->vlan_id); 1560699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 15618f256622SPablo Neira Ayuso match.key->vlan_id); 1562699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 15638f256622SPablo Neira Ayuso match.mask->vlan_priority); 1564699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 15658f256622SPablo Neira Ayuso match.key->vlan_priority); 1566699e96ddSJianbo Liu 1567699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1568699e96ddSJianbo Liu } 1569699e96ddSJianbo Liu } 1570699e96ddSJianbo Liu 15718f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 15728f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 157354782900SOr Gerlitz 15748f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1575d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1576d3a80bb5SOr Gerlitz dmac_47_16), 15778f256622SPablo Neira Ayuso match.mask->dst); 1578d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1579d3a80bb5SOr Gerlitz dmac_47_16), 15808f256622SPablo Neira Ayuso match.key->dst); 1581d3a80bb5SOr Gerlitz 1582d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1583d3a80bb5SOr Gerlitz smac_47_16), 15848f256622SPablo Neira Ayuso match.mask->src); 1585d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1586d3a80bb5SOr Gerlitz smac_47_16), 15878f256622SPablo Neira Ayuso match.key->src); 1588d3a80bb5SOr Gerlitz 15898f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 15908f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1591d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 159254782900SOr Gerlitz } 159354782900SOr Gerlitz 15948f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 15958f256622SPablo Neira Ayuso struct flow_match_control match; 159654782900SOr Gerlitz 15978f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 15988f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 159954782900SOr Gerlitz 160054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 16018f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 160254782900SOr Gerlitz return -EOPNOTSUPP; 160354782900SOr Gerlitz 16048f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 160554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 160654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 16078f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 160854782900SOr Gerlitz 160954782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 16108f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 161183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 161254782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 161354782900SOr Gerlitz else 161483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 161554782900SOr Gerlitz } 161654782900SOr Gerlitz } 161754782900SOr Gerlitz 16188f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 16198f256622SPablo Neira Ayuso struct flow_match_basic match; 16208f256622SPablo Neira Ayuso 16218f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 16228f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 162354782900SOr Gerlitz 162454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 16258f256622SPablo Neira Ayuso match.mask->ip_proto); 162654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 16278f256622SPablo Neira Ayuso match.key->ip_proto); 162854782900SOr Gerlitz 16298f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1630d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 163154782900SOr Gerlitz } 163254782900SOr Gerlitz 1633e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 16348f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1635e3a2b7edSAmir Vadai 16368f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1637e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1638e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16398f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1640e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1641e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16428f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1643e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1644e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16458f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1646e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1647e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16488f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1649de0af0bfSRoi Dayan 16508f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1651d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1652e3a2b7edSAmir Vadai } 1653e3a2b7edSAmir Vadai 1654e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 16558f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1656e3a2b7edSAmir Vadai 16578f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1658e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1659e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 16608f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1661e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1662e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 16638f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1664e3a2b7edSAmir Vadai 1665e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1666e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16678f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1668e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1669e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16708f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1671de0af0bfSRoi Dayan 16728f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 16738f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 1674d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1675e3a2b7edSAmir Vadai } 1676e3a2b7edSAmir Vadai 16778f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 16788f256622SPablo Neira Ayuso struct flow_match_ip match; 16791f97a526SOr Gerlitz 16808f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 16818f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 16828f256622SPablo Neira Ayuso match.mask->tos & 0x3); 16838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 16848f256622SPablo Neira Ayuso match.key->tos & 0x3); 16851f97a526SOr Gerlitz 16868f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 16878f256622SPablo Neira Ayuso match.mask->tos >> 2); 16888f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 16898f256622SPablo Neira Ayuso match.key->tos >> 2); 16901f97a526SOr Gerlitz 16918f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 16928f256622SPablo Neira Ayuso match.mask->ttl); 16938f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 16948f256622SPablo Neira Ayuso match.key->ttl); 16951f97a526SOr Gerlitz 16968f256622SPablo Neira Ayuso if (match.mask->ttl && 1697a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1698e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1699e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1700e98bedf5SEli Britstein "Matching on TTL is not supported"); 17011f97a526SOr Gerlitz return -EOPNOTSUPP; 1702e98bedf5SEli Britstein } 1703a8ade55fSOr Gerlitz 17048f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 1705d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 17061f97a526SOr Gerlitz } 17071f97a526SOr Gerlitz 170854782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 170954782900SOr Gerlitz 17108f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 17118f256622SPablo Neira Ayuso struct flow_match_ports match; 17128f256622SPablo Neira Ayuso 17138f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 1714e3a2b7edSAmir Vadai switch (ip_proto) { 1715e3a2b7edSAmir Vadai case IPPROTO_TCP: 1716e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17178f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 1718e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17198f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 1720e3a2b7edSAmir Vadai 1721e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17228f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 1723e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17248f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 1725e3a2b7edSAmir Vadai break; 1726e3a2b7edSAmir Vadai 1727e3a2b7edSAmir Vadai case IPPROTO_UDP: 1728e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17298f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 1730e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17318f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 1732e3a2b7edSAmir Vadai 1733e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17348f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 1735e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17368f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 1737e3a2b7edSAmir Vadai break; 1738e3a2b7edSAmir Vadai default: 1739e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1740e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1741e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1742e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1743e3a2b7edSAmir Vadai return -EINVAL; 1744e3a2b7edSAmir Vadai } 1745de0af0bfSRoi Dayan 17468f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1747d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1748e3a2b7edSAmir Vadai } 1749e3a2b7edSAmir Vadai 17508f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 17518f256622SPablo Neira Ayuso struct flow_match_tcp match; 1752e77834ecSOr Gerlitz 17538f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 1754e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 17558f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 1756e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 17578f256622SPablo Neira Ayuso ntohs(match.key->flags)); 1758e77834ecSOr Gerlitz 17598f256622SPablo Neira Ayuso if (match.mask->flags) 1760d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1761e77834ecSOr Gerlitz } 1762e77834ecSOr Gerlitz 1763e3a2b7edSAmir Vadai return 0; 1764e3a2b7edSAmir Vadai } 1765e3a2b7edSAmir Vadai 1766de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 176765ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1768de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 176954c177caSOz Shlomo struct tc_cls_flower_offload *f, 177054c177caSOz Shlomo struct net_device *filter_dev) 1771de0af0bfSRoi Dayan { 1772e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1773de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1774de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 17751d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 17766363651dSOr Gerlitz u8 match_level, tunnel_match_level = MLX5_MATCH_NONE; 17771d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1778de0af0bfSRoi Dayan int err; 1779de0af0bfSRoi Dayan 17806363651dSOr Gerlitz err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level, &tunnel_match_level); 1781de0af0bfSRoi Dayan 17821d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 17831d447a39SSaeed Mahameed rep = rpriv->rep; 1784b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 17851d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1786d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1787e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1788e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1789de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1790de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1791d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1792de0af0bfSRoi Dayan return -EOPNOTSUPP; 1793de0af0bfSRoi Dayan } 1794de0af0bfSRoi Dayan } 1795de0af0bfSRoi Dayan 17966363651dSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 179738aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 17986363651dSOr Gerlitz flow->esw_attr->tunnel_match_level = tunnel_match_level; 17996363651dSOr Gerlitz } else { 180038aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 18016363651dSOr Gerlitz } 180238aa51c1SOr Gerlitz 1803de0af0bfSRoi Dayan return err; 1804de0af0bfSRoi Dayan } 1805de0af0bfSRoi Dayan 1806d79b6df6SOr Gerlitz struct pedit_headers { 1807d79b6df6SOr Gerlitz struct ethhdr eth; 1808d79b6df6SOr Gerlitz struct iphdr ip4; 1809d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1810d79b6df6SOr Gerlitz struct tcphdr tcp; 1811d79b6df6SOr Gerlitz struct udphdr udp; 1812d79b6df6SOr Gerlitz }; 1813d79b6df6SOr Gerlitz 1814c500c86bSPablo Neira Ayuso struct pedit_headers_action { 1815c500c86bSPablo Neira Ayuso struct pedit_headers vals; 1816c500c86bSPablo Neira Ayuso struct pedit_headers masks; 1817c500c86bSPablo Neira Ayuso u32 pedits; 1818c500c86bSPablo Neira Ayuso }; 1819c500c86bSPablo Neira Ayuso 1820d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 182173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 182273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 182373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 182473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 182573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1826d79b6df6SOr Gerlitz }; 1827d79b6df6SOr Gerlitz 1828d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1829d79b6df6SOr Gerlitz 1830d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1831c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 1832d79b6df6SOr Gerlitz { 1833d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1834d79b6df6SOr Gerlitz 1835c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 1836c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 1837d79b6df6SOr Gerlitz 1838d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1839d79b6df6SOr Gerlitz goto out_err; 1840d79b6df6SOr Gerlitz 1841d79b6df6SOr Gerlitz *curr_pmask |= mask; 1842d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1843d79b6df6SOr Gerlitz 1844d79b6df6SOr Gerlitz return 0; 1845d79b6df6SOr Gerlitz 1846d79b6df6SOr Gerlitz out_err: 1847d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1848d79b6df6SOr Gerlitz } 1849d79b6df6SOr Gerlitz 1850d79b6df6SOr Gerlitz struct mlx5_fields { 1851d79b6df6SOr Gerlitz u8 field; 1852d79b6df6SOr Gerlitz u8 size; 1853d79b6df6SOr Gerlitz u32 offset; 1854d79b6df6SOr Gerlitz }; 1855d79b6df6SOr Gerlitz 1856a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1857a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1858a8e4f0c4SOr Gerlitz 1859d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1860a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1861a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1862a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1863a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1864a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 1865d79b6df6SOr Gerlitz 1866a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1867a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1868a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1869d79b6df6SOr Gerlitz 1870a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1871a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1872a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1873a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1874a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1875a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1876a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1877a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 18780c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1879d79b6df6SOr Gerlitz 1880a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1881a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1882a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1883d79b6df6SOr Gerlitz 1884a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1885a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1886d79b6df6SOr Gerlitz }; 1887d79b6df6SOr Gerlitz 1888218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 1889218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 1890218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 1891d79b6df6SOr Gerlitz */ 1892c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 1893e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1894e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1895d79b6df6SOr Gerlitz { 1896d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 18972b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1898d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1899d79b6df6SOr Gerlitz struct mlx5_fields *f; 1900d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1901e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1902d79b6df6SOr Gerlitz unsigned long mask; 19032b64bebaSOr Gerlitz __be32 mask_be32; 19042b64bebaSOr Gerlitz __be16 mask_be16; 1905d79b6df6SOr Gerlitz void *action; 1906d79b6df6SOr Gerlitz 190773867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 190873867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 190973867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 191073867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 1911d79b6df6SOr Gerlitz 1912d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1913218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 1914218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 1915218d05ceSTonghao Zhang 1916218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 1917218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 1918d79b6df6SOr Gerlitz 1919d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1920d79b6df6SOr Gerlitz f = &fields[i]; 1921d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1922e3ca4e05SOr Gerlitz s_mask = 0; 1923e3ca4e05SOr Gerlitz a_mask = 0; 1924d79b6df6SOr Gerlitz 1925d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1926d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1927d79b6df6SOr Gerlitz 1928d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1929d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1930d79b6df6SOr Gerlitz 1931d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1932d79b6df6SOr Gerlitz continue; 1933d79b6df6SOr Gerlitz 1934d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1935e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1936e98bedf5SEli Britstein "can't set and add to the same HW field"); 1937d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1938d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1939d79b6df6SOr Gerlitz } 1940d79b6df6SOr Gerlitz 1941d79b6df6SOr Gerlitz if (nactions == max_actions) { 1942e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1943e98bedf5SEli Britstein "too many pedit actions, can't offload"); 1944d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1945d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1946d79b6df6SOr Gerlitz } 1947d79b6df6SOr Gerlitz 1948d79b6df6SOr Gerlitz if (s_mask) { 1949d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1950d79b6df6SOr Gerlitz mask = s_mask; 1951d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1952d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1953d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1954d79b6df6SOr Gerlitz } else { 1955d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1956d79b6df6SOr Gerlitz mask = a_mask; 1957d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1958d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1959d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1960d79b6df6SOr Gerlitz } 1961d79b6df6SOr Gerlitz 1962d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1963e3ca4e05SOr Gerlitz 19642b64bebaSOr Gerlitz if (field_bsize == 32) { 19652b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 19662b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 19672b64bebaSOr Gerlitz } else if (field_bsize == 16) { 19682b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 19692b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 19702b64bebaSOr Gerlitz } 19712b64bebaSOr Gerlitz 1972d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 19732b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1974d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 19752b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 1976e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1977e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 19782b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 1979d79b6df6SOr Gerlitz mask); 1980d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1981d79b6df6SOr Gerlitz } 1982d79b6df6SOr Gerlitz 1983d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 1984d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 1985d79b6df6SOr Gerlitz 1986d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 19872b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 1988d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 19892b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 1990d79b6df6SOr Gerlitz } 1991d79b6df6SOr Gerlitz 1992d79b6df6SOr Gerlitz if (field_bsize == 32) 19932b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 1994d79b6df6SOr Gerlitz else if (field_bsize == 16) 19952b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 1996d79b6df6SOr Gerlitz else if (field_bsize == 8) 19972b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 1998d79b6df6SOr Gerlitz 1999d79b6df6SOr Gerlitz action += action_size; 2000d79b6df6SOr Gerlitz nactions++; 2001d79b6df6SOr Gerlitz } 2002d79b6df6SOr Gerlitz 2003d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 2004d79b6df6SOr Gerlitz return 0; 2005d79b6df6SOr Gerlitz } 2006d79b6df6SOr Gerlitz 2007d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2008c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2009c500c86bSPablo Neira Ayuso int namespace, 2010d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2011d79b6df6SOr Gerlitz { 2012d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2013d79b6df6SOr Gerlitz 2014c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2015c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2016d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2017d79b6df6SOr Gerlitz 2018d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 2019d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 2020d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 2021d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 2022d79b6df6SOr Gerlitz 2023d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2024d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2025d79b6df6SOr Gerlitz 2026d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2027d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2028d79b6df6SOr Gerlitz return -ENOMEM; 2029d79b6df6SOr Gerlitz 2030218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2031d79b6df6SOr Gerlitz return 0; 2032d79b6df6SOr Gerlitz } 2033d79b6df6SOr Gerlitz 2034d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2035d79b6df6SOr Gerlitz 2036d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 203773867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2038e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2039c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2040e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2041d79b6df6SOr Gerlitz { 204273867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 204373867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2044d79b6df6SOr Gerlitz u32 mask, val, offset; 204573867881SPablo Neira Ayuso u8 htype; 2046d79b6df6SOr Gerlitz 204773867881SPablo Neira Ayuso htype = act->mangle.htype; 2048d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2049d79b6df6SOr Gerlitz 205073867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 205173867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2052d79b6df6SOr Gerlitz goto out_err; 2053d79b6df6SOr Gerlitz } 2054d79b6df6SOr Gerlitz 205573867881SPablo Neira Ayuso mask = act->mangle.mask; 205673867881SPablo Neira Ayuso val = act->mangle.val; 205773867881SPablo Neira Ayuso offset = act->mangle.offset; 2058d79b6df6SOr Gerlitz 2059c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2060d79b6df6SOr Gerlitz if (err) 2061d79b6df6SOr Gerlitz goto out_err; 2062c500c86bSPablo Neira Ayuso 2063c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2064d79b6df6SOr Gerlitz 2065c500c86bSPablo Neira Ayuso return 0; 2066c500c86bSPablo Neira Ayuso out_err: 2067c500c86bSPablo Neira Ayuso return err; 2068c500c86bSPablo Neira Ayuso } 2069c500c86bSPablo Neira Ayuso 2070c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2071c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2072c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2073c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2074c500c86bSPablo Neira Ayuso { 2075c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2076c500c86bSPablo Neira Ayuso int err; 2077c500c86bSPablo Neira Ayuso u8 cmd; 2078c500c86bSPablo Neira Ayuso 2079218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2080c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2081d79b6df6SOr Gerlitz if (err) 2082d79b6df6SOr Gerlitz goto out_err; 2083218d05ceSTonghao Zhang } 2084d79b6df6SOr Gerlitz 2085c500c86bSPablo Neira Ayuso err = offload_pedit_fields(hdrs, parse_attr, extack); 2086d79b6df6SOr Gerlitz if (err < 0) 2087d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2088d79b6df6SOr Gerlitz 2089d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2090c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2091d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2092e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2093e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2094b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2095d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2096d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2097d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2098d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2099d79b6df6SOr Gerlitz } 2100d79b6df6SOr Gerlitz } 2101d79b6df6SOr Gerlitz 2102d79b6df6SOr Gerlitz return 0; 2103d79b6df6SOr Gerlitz 2104d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2105d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2106d79b6df6SOr Gerlitz out_err: 2107d79b6df6SOr Gerlitz return err; 2108d79b6df6SOr Gerlitz } 2109d79b6df6SOr Gerlitz 2110e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2111e98bedf5SEli Britstein u32 action, 2112e98bedf5SEli Britstein u32 update_flags, 2113e98bedf5SEli Britstein struct netlink_ext_ack *extack) 211426c02749SOr Gerlitz { 211526c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 211626c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 211726c02749SOr Gerlitz 211826c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 211926c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2120e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2121e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 212226c02749SOr Gerlitz netdev_warn(priv->netdev, 212326c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 212426c02749SOr Gerlitz return false; 212526c02749SOr Gerlitz } 212626c02749SOr Gerlitz 212726c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2128e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2129e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 213026c02749SOr Gerlitz netdev_warn(priv->netdev, 213126c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 213226c02749SOr Gerlitz update_flags); 213326c02749SOr Gerlitz return false; 213426c02749SOr Gerlitz } 213526c02749SOr Gerlitz 213626c02749SOr Gerlitz return true; 213726c02749SOr Gerlitz } 213826c02749SOr Gerlitz 2139bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 214073867881SPablo Neira Ayuso struct flow_action *flow_action, 21411651925dSGuy Shattah u32 actions, 2142e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2143bdd66ac0SOr Gerlitz { 214473867881SPablo Neira Ayuso const struct flow_action_entry *act; 2145bdd66ac0SOr Gerlitz bool modify_ip_header; 2146bdd66ac0SOr Gerlitz u8 htype, ip_proto; 2147bdd66ac0SOr Gerlitz void *headers_v; 2148bdd66ac0SOr Gerlitz u16 ethertype; 214973867881SPablo Neira Ayuso int i; 2150bdd66ac0SOr Gerlitz 21511651925dSGuy Shattah if (actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) 21521651925dSGuy Shattah headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 21531651925dSGuy Shattah else 2154bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 21551651925dSGuy Shattah 2156bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2157bdd66ac0SOr Gerlitz 2158bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2159bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2160bdd66ac0SOr Gerlitz goto out_ok; 2161bdd66ac0SOr Gerlitz 2162bdd66ac0SOr Gerlitz modify_ip_header = false; 216373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 216473867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 216573867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2166bdd66ac0SOr Gerlitz continue; 2167bdd66ac0SOr Gerlitz 216873867881SPablo Neira Ayuso htype = act->mangle.htype; 216973867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4 || 217073867881SPablo Neira Ayuso htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 2171bdd66ac0SOr Gerlitz modify_ip_header = true; 2172bdd66ac0SOr Gerlitz break; 2173bdd66ac0SOr Gerlitz } 2174bdd66ac0SOr Gerlitz } 2175bdd66ac0SOr Gerlitz 2176bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 21771ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 21781ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2179e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2180e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2181bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2182bdd66ac0SOr Gerlitz return false; 2183bdd66ac0SOr Gerlitz } 2184bdd66ac0SOr Gerlitz 2185bdd66ac0SOr Gerlitz out_ok: 2186bdd66ac0SOr Gerlitz return true; 2187bdd66ac0SOr Gerlitz } 2188bdd66ac0SOr Gerlitz 2189bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 219073867881SPablo Neira Ayuso struct flow_action *flow_action, 2191bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2192e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2193e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2194bdd66ac0SOr Gerlitz { 2195bdd66ac0SOr Gerlitz u32 actions; 2196bdd66ac0SOr Gerlitz 2197bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2198bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2199bdd66ac0SOr Gerlitz else 2200bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2201bdd66ac0SOr Gerlitz 22027e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 22037e29392eSRoi Dayan !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) 22047e29392eSRoi Dayan return false; 22057e29392eSRoi Dayan 2206bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 220773867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2208a655fe9fSDavid S. Miller flow_action, actions, 2209e98bedf5SEli Britstein extack); 2210bdd66ac0SOr Gerlitz 2211bdd66ac0SOr Gerlitz return true; 2212bdd66ac0SOr Gerlitz } 2213bdd66ac0SOr Gerlitz 22145c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 22155c65c564SOr Gerlitz { 22165c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2217816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 22185c65c564SOr Gerlitz 22195c65c564SOr Gerlitz fmdev = priv->mdev; 22205c65c564SOr Gerlitz pmdev = peer_priv->mdev; 22215c65c564SOr Gerlitz 222259c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 222359c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 22245c65c564SOr Gerlitz 2225816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 22265c65c564SOr Gerlitz } 22275c65c564SOr Gerlitz 222873867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 222973867881SPablo Neira Ayuso struct flow_action *flow_action, 2230aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2231e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2232e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2233e3a2b7edSAmir Vadai { 2234aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 223573867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 223673867881SPablo Neira Ayuso const struct flow_action_entry *act; 22371cab1cd7SOr Gerlitz u32 action = 0; 2238244cd96aSCong Wang int err, i; 2239e3a2b7edSAmir Vadai 224073867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2241e3a2b7edSAmir Vadai return -EINVAL; 2242e3a2b7edSAmir Vadai 22433bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2244e3a2b7edSAmir Vadai 224573867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 224673867881SPablo Neira Ayuso switch (act->id) { 224773867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 22481cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2249aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2250aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 22511cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 225273867881SPablo Neira Ayuso break; 225373867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 225473867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 225573867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2256c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 22572f4fe4caSOr Gerlitz if (err) 22582f4fe4caSOr Gerlitz return err; 22592f4fe4caSOr Gerlitz 22601cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 22612f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 226273867881SPablo Neira Ayuso break; 226373867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 22641cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 226573867881SPablo Neira Ayuso act->csum_flags, 2266e98bedf5SEli Britstein extack)) 226773867881SPablo Neira Ayuso break; 226826c02749SOr Gerlitz 226926c02749SOr Gerlitz return -EOPNOTSUPP; 227073867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 227173867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 22725c65c564SOr Gerlitz 22735c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 22745c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 227598b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 22765c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 22771cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 22785c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 22795c65c564SOr Gerlitz } else { 2280e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2281e98bedf5SEli Britstein "device is not on same HW, can't offload"); 22825c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 22835c65c564SOr Gerlitz peer_dev->name); 22845c65c564SOr Gerlitz return -EINVAL; 22855c65c564SOr Gerlitz } 22865c65c564SOr Gerlitz } 228773867881SPablo Neira Ayuso break; 228873867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 228973867881SPablo Neira Ayuso u32 mark = act->mark; 2290e3a2b7edSAmir Vadai 2291e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2292e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2293e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2294e3a2b7edSAmir Vadai return -EINVAL; 2295e3a2b7edSAmir Vadai } 2296e3a2b7edSAmir Vadai 22973bc4b7bfSOr Gerlitz attr->flow_tag = mark; 22981cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2299e3a2b7edSAmir Vadai } 230073867881SPablo Neira Ayuso break; 230173867881SPablo Neira Ayuso default: 2302e3a2b7edSAmir Vadai return -EINVAL; 2303e3a2b7edSAmir Vadai } 230473867881SPablo Neira Ayuso } 2305e3a2b7edSAmir Vadai 2306c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2307c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2308c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 2309c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2310c500c86bSPablo Neira Ayuso if (err) 2311c500c86bSPablo Neira Ayuso return err; 2312c500c86bSPablo Neira Ayuso } 2313c500c86bSPablo Neira Ayuso 23141cab1cd7SOr Gerlitz attr->action = action; 231573867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2316bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2317bdd66ac0SOr Gerlitz 2318e3a2b7edSAmir Vadai return 0; 2319e3a2b7edSAmir Vadai } 2320e3a2b7edSAmir Vadai 232176f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 232276f7444dSOr Gerlitz struct ip_tunnel_key *b) 2323a54e20b4SHadar Hen Zion { 2324a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2325a54e20b4SHadar Hen Zion } 2326a54e20b4SHadar Hen Zion 232776f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2328a54e20b4SHadar Hen Zion { 232976f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2330a54e20b4SHadar Hen Zion } 2331a54e20b4SHadar Hen Zion 2332a54e20b4SHadar Hen Zion 2333b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2334b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2335b1d90e6bSRabie Loulou { 2336b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2337b1d90e6bSRabie Loulou 2338b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2339b1d90e6bSRabie Loulou 2340b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 2341b1d90e6bSRabie Loulou (priv->netdev->netdev_ops == peer_netdev->netdev_ops) && 2342b1d90e6bSRabie Loulou same_hw_devs(priv, peer_priv) && 2343b1d90e6bSRabie Loulou MLX5_VPORT_MANAGER(peer_priv->mdev) && 2344b1d90e6bSRabie Loulou (peer_priv->mdev->priv.eswitch->mode == SRIOV_OFFLOADS)); 2345b1d90e6bSRabie Loulou } 2346b1d90e6bSRabie Loulou 2347ce99f6b9SOr Gerlitz 234854c177caSOz Shlomo 2349a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2350e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2351733d4f36SRoi Dayan struct net_device *mirred_dev, 2352733d4f36SRoi Dayan int out_index, 23538c4dc42bSEli Britstein struct netlink_ext_ack *extack, 23540ad060eeSRoi Dayan struct net_device **encap_dev, 23550ad060eeSRoi Dayan bool *encap_valid) 235603a9d11eSOr Gerlitz { 2357a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 235845247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2359733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2360733d4f36SRoi Dayan struct ip_tunnel_info *tun_info; 2361733d4f36SRoi Dayan struct ip_tunnel_key *key; 2362c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2363733d4f36SRoi Dayan unsigned short family; 2364a54e20b4SHadar Hen Zion uintptr_t hash_key; 2365a54e20b4SHadar Hen Zion bool found = false; 236654c177caSOz Shlomo int err = 0; 2367a54e20b4SHadar Hen Zion 2368733d4f36SRoi Dayan parse_attr = attr->parse_attr; 2369733d4f36SRoi Dayan tun_info = &parse_attr->tun_info[out_index]; 2370733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 2371733d4f36SRoi Dayan key = &tun_info->key; 2372733d4f36SRoi Dayan 237376f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2374a54e20b4SHadar Hen Zion 2375a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2376a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 237776f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2378a54e20b4SHadar Hen Zion found = true; 2379a54e20b4SHadar Hen Zion break; 2380a54e20b4SHadar Hen Zion } 2381a54e20b4SHadar Hen Zion } 2382a54e20b4SHadar Hen Zion 2383b2812089SVlad Buslov /* must verify if encap is valid or not */ 238445247bf2SOr Gerlitz if (found) 238545247bf2SOr Gerlitz goto attach_flow; 2386a54e20b4SHadar Hen Zion 2387a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2388a54e20b4SHadar Hen Zion if (!e) 2389a54e20b4SHadar Hen Zion return -ENOMEM; 2390a54e20b4SHadar Hen Zion 239176f7444dSOr Gerlitz e->tun_info = *tun_info; 2392101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 239354c177caSOz Shlomo if (err) 239454c177caSOz Shlomo goto out_err; 239554c177caSOz Shlomo 2396a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2397a54e20b4SHadar Hen Zion 2398ce99f6b9SOr Gerlitz if (family == AF_INET) 2399101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2400ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2401101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2402ce99f6b9SOr Gerlitz 24030ad060eeSRoi Dayan if (err) 2404a54e20b4SHadar Hen Zion goto out_err; 2405a54e20b4SHadar Hen Zion 2406a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2407a54e20b4SHadar Hen Zion 240845247bf2SOr Gerlitz attach_flow: 24098c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 24108c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 241145247bf2SOr Gerlitz *encap_dev = e->out_dev; 24128c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 24138c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 24148c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 24150ad060eeSRoi Dayan *encap_valid = true; 24168c4dc42bSEli Britstein } else { 24170ad060eeSRoi Dayan *encap_valid = false; 24188c4dc42bSEli Britstein } 241945247bf2SOr Gerlitz 2420232c0013SHadar Hen Zion return err; 2421a54e20b4SHadar Hen Zion 2422a54e20b4SHadar Hen Zion out_err: 2423a54e20b4SHadar Hen Zion kfree(e); 2424a54e20b4SHadar Hen Zion return err; 2425a54e20b4SHadar Hen Zion } 2426a54e20b4SHadar Hen Zion 24271482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 242873867881SPablo Neira Ayuso const struct flow_action_entry *act, 24291482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 24301482bd3dSJianbo Liu u32 *action) 24311482bd3dSJianbo Liu { 2432cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2433cc495188SJianbo Liu 2434cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 24351482bd3dSJianbo Liu return -EOPNOTSUPP; 2436cc495188SJianbo Liu 243773867881SPablo Neira Ayuso switch (act->id) { 243873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 2439cc495188SJianbo Liu if (vlan_idx) { 2440cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2441cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2442cc495188SJianbo Liu return -EOPNOTSUPP; 2443cc495188SJianbo Liu 2444cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2445cc495188SJianbo Liu } else { 2446cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2447cc495188SJianbo Liu } 244873867881SPablo Neira Ayuso break; 244973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 245073867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 245173867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 245273867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 2453cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2454cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2455cc495188SJianbo Liu 2456cc495188SJianbo Liu if (vlan_idx) { 2457cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2458cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2459cc495188SJianbo Liu return -EOPNOTSUPP; 2460cc495188SJianbo Liu 2461cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2462cc495188SJianbo Liu } else { 2463cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 246473867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 246573867881SPablo Neira Ayuso act->vlan.prio)) 2466cc495188SJianbo Liu return -EOPNOTSUPP; 2467cc495188SJianbo Liu 2468cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 24691482bd3dSJianbo Liu } 247073867881SPablo Neira Ayuso break; 247173867881SPablo Neira Ayuso default: 247273867881SPablo Neira Ayuso /* action is FLOW_ACT_VLAN_MANGLE */ 24731482bd3dSJianbo Liu return -EOPNOTSUPP; 24741482bd3dSJianbo Liu } 24751482bd3dSJianbo Liu 2476cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2477cc495188SJianbo Liu 24781482bd3dSJianbo Liu return 0; 24791482bd3dSJianbo Liu } 24801482bd3dSJianbo Liu 248173867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 248273867881SPablo Neira Ayuso struct flow_action *flow_action, 2483d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2484e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2485e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2486a54e20b4SHadar Hen Zion { 248773867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 2488bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2489ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 24901d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 249173867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 249273867881SPablo Neira Ayuso const struct flow_action_entry *act; 2493a54e20b4SHadar Hen Zion bool encap = false; 24941cab1cd7SOr Gerlitz u32 action = 0; 2495244cd96aSCong Wang int err, i; 249603a9d11eSOr Gerlitz 249773867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 249803a9d11eSOr Gerlitz return -EINVAL; 249903a9d11eSOr Gerlitz 25001d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 250110ff5359SShahar Klein attr->in_mdev = priv->mdev; 250203a9d11eSOr Gerlitz 250373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 250473867881SPablo Neira Ayuso switch (act->id) { 250573867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 25061cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 250703a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 250873867881SPablo Neira Ayuso break; 250973867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 251073867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 251173867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 2512c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2513d7e75a32SOr Gerlitz if (err) 2514d7e75a32SOr Gerlitz return err; 2515d7e75a32SOr Gerlitz 25161cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2517e85e02baSEli Britstein attr->split_count = attr->out_count; 251873867881SPablo Neira Ayuso break; 251973867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 25201cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 252173867881SPablo Neira Ayuso act->csum_flags, extack)) 252273867881SPablo Neira Ayuso break; 252326c02749SOr Gerlitz 252426c02749SOr Gerlitz return -EOPNOTSUPP; 252573867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 252673867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 252703a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2528592d3651SChris Mi struct net_device *out_dev; 252903a9d11eSOr Gerlitz 253073867881SPablo Neira Ayuso out_dev = act->dev; 2531ef381359SOz Shlomo if (!out_dev) { 2532ef381359SOz Shlomo /* out_dev is NULL when filters with 2533ef381359SOz Shlomo * non-existing mirred device are replayed to 2534ef381359SOz Shlomo * the driver. 2535ef381359SOz Shlomo */ 2536ef381359SOz Shlomo return -EINVAL; 2537ef381359SOz Shlomo } 253803a9d11eSOr Gerlitz 2539592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2540e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2541e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2542592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2543592d3651SChris Mi attr->out_count); 2544592d3651SChris Mi return -EOPNOTSUPP; 2545592d3651SChris Mi } 2546592d3651SChris Mi 2547f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2548f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 25496dcfa234SFlorian Fainelli if (netdev_port_same_parent_id(priv->netdev, 2550b1d90e6bSRabie Loulou out_dev) || 2551b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 25527ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 25537ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 25547ba58ba7SRabie Loulou struct net_device *uplink_upper = netdev_master_upper_dev_get(uplink_dev); 25557ba58ba7SRabie Loulou 25567ba58ba7SRabie Loulou if (uplink_upper && 25577ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 25587ba58ba7SRabie Loulou uplink_upper == out_dev) 25597ba58ba7SRabie Loulou out_dev = uplink_dev; 25607ba58ba7SRabie Loulou 2561a0646c88SEli Britstein if (!mlx5e_eswitch_rep(out_dev)) 2562a0646c88SEli Britstein return -EOPNOTSUPP; 2563a0646c88SEli Britstein 256403a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 25651d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2566df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 2567df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 2568df65a573SEli Britstein attr->out_count++; 2569a54e20b4SHadar Hen Zion } else if (encap) { 25708c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 25718c4dc42bSEli Britstein out_dev->ifindex; 25728c4dc42bSEli Britstein parse_attr->tun_info[attr->out_count] = *info; 25738c4dc42bSEli Britstein encap = false; 25743c37745eSOr Gerlitz attr->parse_attr = parse_attr; 2575f493f155SEli Britstein attr->dests[attr->out_count].flags |= 2576f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 25771cc26d74SEli Britstein attr->out_count++; 2578df65a573SEli Britstein /* attr->dests[].rep is resolved when we 2579df65a573SEli Britstein * handle encap 2580df65a573SEli Britstein */ 2581ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 2582ef381359SOz Shlomo /* All mlx5 devices are called to configure 2583ef381359SOz Shlomo * high level device filters. Therefore, the 2584ef381359SOz Shlomo * *attempt* to install a filter on invalid 2585ef381359SOz Shlomo * eswitch should not trigger an explicit error 2586ef381359SOz Shlomo */ 2587ef381359SOz Shlomo return -EINVAL; 2588a54e20b4SHadar Hen Zion } else { 2589e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2590e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2591a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2592a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2593a54e20b4SHadar Hen Zion return -EINVAL; 2594a54e20b4SHadar Hen Zion } 2595a54e20b4SHadar Hen Zion } 259673867881SPablo Neira Ayuso break; 259773867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 259873867881SPablo Neira Ayuso info = act->tunnel; 2599a54e20b4SHadar Hen Zion if (info) 2600a54e20b4SHadar Hen Zion encap = true; 2601a54e20b4SHadar Hen Zion else 2602a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 260303a9d11eSOr Gerlitz 260473867881SPablo Neira Ayuso break; 260573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 260673867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 260773867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 26081482bd3dSJianbo Liu if (err) 26091482bd3dSJianbo Liu return err; 26101482bd3dSJianbo Liu 2611e85e02baSEli Britstein attr->split_count = attr->out_count; 261273867881SPablo Neira Ayuso break; 261373867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 26141cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 261573867881SPablo Neira Ayuso break; 261673867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 261773867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 2618bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2619bf07aa73SPaul Blakey 2620bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2621bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2622bf07aa73SPaul Blakey return -EOPNOTSUPP; 2623bf07aa73SPaul Blakey } 2624bf07aa73SPaul Blakey if (dest_chain > max_chain) { 2625bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 2626bf07aa73SPaul Blakey return -EOPNOTSUPP; 2627bf07aa73SPaul Blakey } 2628e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2629bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 263073867881SPablo Neira Ayuso break; 2631bf07aa73SPaul Blakey } 263273867881SPablo Neira Ayuso default: 263303a9d11eSOr Gerlitz return -EINVAL; 263403a9d11eSOr Gerlitz } 263573867881SPablo Neira Ayuso } 2636bdd66ac0SOr Gerlitz 2637c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2638c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2639c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 2640c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2641c500c86bSPablo Neira Ayuso if (err) 2642c500c86bSPablo Neira Ayuso return err; 2643c500c86bSPablo Neira Ayuso } 2644c500c86bSPablo Neira Ayuso 26451cab1cd7SOr Gerlitz attr->action = action; 264673867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2647bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2648bdd66ac0SOr Gerlitz 2649e88afe75SOr Gerlitz if (attr->dest_chain) { 2650e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 2651e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 2652e88afe75SOr Gerlitz return -EOPNOTSUPP; 2653e88afe75SOr Gerlitz } 2654e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2655e88afe75SOr Gerlitz } 2656e88afe75SOr Gerlitz 2657e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 2658e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2659e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 2660592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 2661592d3651SChris Mi return -EOPNOTSUPP; 2662592d3651SChris Mi } 2663592d3651SChris Mi 266431c8eba5SOr Gerlitz return 0; 266503a9d11eSOr Gerlitz } 266603a9d11eSOr Gerlitz 26675dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 266860bd4af8SOr Gerlitz { 26695dbe906fSPaul Blakey u16 __flow_flags = 0; 267060bd4af8SOr Gerlitz 267160bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 267260bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 267360bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 267460bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 267560bd4af8SOr Gerlitz 2676d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) 2677d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2678d9ee0491SOr Gerlitz if (flags & MLX5E_TC_NIC_OFFLOAD) 2679d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_NIC; 2680d9ee0491SOr Gerlitz 268160bd4af8SOr Gerlitz *flow_flags = __flow_flags; 268260bd4af8SOr Gerlitz } 268360bd4af8SOr Gerlitz 268405866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 268505866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 268605866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 268705866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 268805866c82SOr Gerlitz .automatic_shrinking = true, 268905866c82SOr Gerlitz }; 269005866c82SOr Gerlitz 2691d9ee0491SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, int flags) 269205866c82SOr Gerlitz { 2693655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2694655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 2695655dc3d2SOr Gerlitz 2696d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) { 2697655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2698ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 2699d9ee0491SOr Gerlitz } else /* NIC offload */ 270005866c82SOr Gerlitz return &priv->fs.tc.ht; 270105866c82SOr Gerlitz } 270205866c82SOr Gerlitz 270304de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 270404de7ddaSRoi Dayan { 27051418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2706b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 27071418ddd9SAviv Heller flow->flags & MLX5E_TC_FLOW_INGRESS; 27081418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 27091418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 27101418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 27111418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 27121418ddd9SAviv Heller 27137c34ec19SAviv Heller return esw_paired && mlx5_lag_is_sriov(attr->in_mdev) && 27141418ddd9SAviv Heller (is_rep_ingress || act_is_encap); 271504de7ddaSRoi Dayan } 271604de7ddaSRoi Dayan 2717a88780a9SRoi Dayan static int 2718a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 27195dbe906fSPaul Blakey struct tc_cls_flower_offload *f, u16 flow_flags, 2720a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 2721a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2722e3a2b7edSAmir Vadai { 272317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 27243bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 2725a88780a9SRoi Dayan int err; 2726776b12b6SOr Gerlitz 272765ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 27281b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 272917091853SOr Gerlitz if (!parse_attr || !flow) { 2730e3a2b7edSAmir Vadai err = -ENOMEM; 2731e3a2b7edSAmir Vadai goto err_free; 2732e3a2b7edSAmir Vadai } 2733e3a2b7edSAmir Vadai 2734e3a2b7edSAmir Vadai flow->cookie = f->cookie; 273565ba8fb7SOr Gerlitz flow->flags = flow_flags; 2736655dc3d2SOr Gerlitz flow->priv = priv; 2737e3a2b7edSAmir Vadai 2738a88780a9SRoi Dayan *__flow = flow; 2739a88780a9SRoi Dayan *__parse_attr = parse_attr; 2740a88780a9SRoi Dayan 2741a88780a9SRoi Dayan return 0; 2742a88780a9SRoi Dayan 2743a88780a9SRoi Dayan err_free: 2744a88780a9SRoi Dayan kfree(flow); 2745a88780a9SRoi Dayan kvfree(parse_attr); 2746a88780a9SRoi Dayan return err; 2747adb4c123SOr Gerlitz } 2748adb4c123SOr Gerlitz 2749988ab9c7STonghao Zhang static void 2750988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 2751988ab9c7STonghao Zhang struct mlx5e_priv *priv, 2752988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 2753988ab9c7STonghao Zhang struct tc_cls_flower_offload *f, 2754988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 2755988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 2756988ab9c7STonghao Zhang { 2757988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2758988ab9c7STonghao Zhang 2759988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 2760988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 2761988ab9c7STonghao Zhang esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 2762988ab9c7STonghao Zhang 2763988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 2764988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 2765988ab9c7STonghao Zhang 2766988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 2767988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 2768988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 2769988ab9c7STonghao Zhang else 2770988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 2771988ab9c7STonghao Zhang } 2772988ab9c7STonghao Zhang 277371129676SJason Gunthorpe static struct mlx5e_tc_flow * 277404de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 2775a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 27765dbe906fSPaul Blakey u16 flow_flags, 2777d11afc26SOz Shlomo struct net_device *filter_dev, 277804de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 277971129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 2780a88780a9SRoi Dayan { 278173867881SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 2782a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2783a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2784a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2785a88780a9SRoi Dayan int attr_size, err; 2786a88780a9SRoi Dayan 2787a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2788a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 2789a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2790a88780a9SRoi Dayan &parse_attr, &flow); 2791a88780a9SRoi Dayan if (err) 2792a88780a9SRoi Dayan goto out; 2793988ab9c7STonghao Zhang 2794d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 2795988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 2796988ab9c7STonghao Zhang priv, parse_attr, 2797988ab9c7STonghao Zhang f, in_rep, in_mdev); 2798988ab9c7STonghao Zhang 279954c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 280054c177caSOz Shlomo f, filter_dev); 2801d11afc26SOz Shlomo if (err) 2802d11afc26SOz Shlomo goto err_free; 2803a88780a9SRoi Dayan 280473867881SPablo Neira Ayuso err = parse_tc_fdb_actions(priv, &rule->action, parse_attr, flow, extack); 2805a88780a9SRoi Dayan if (err) 2806a88780a9SRoi Dayan goto err_free; 2807a88780a9SRoi Dayan 28087040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 2809ef06c9eeSRoi Dayan if (err) { 2810ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 2811aa0cbbaeSOr Gerlitz goto err_free; 28125c40348cSOr Gerlitz 2813ef06c9eeSRoi Dayan flow->flags |= MLX5E_TC_FLOW_NOT_READY; 2814ef06c9eeSRoi Dayan } 2815ef06c9eeSRoi Dayan 281671129676SJason Gunthorpe return flow; 2817e3a2b7edSAmir Vadai 2818e3a2b7edSAmir Vadai err_free: 2819232c0013SHadar Hen Zion kfree(flow); 2820a88780a9SRoi Dayan kvfree(parse_attr); 2821a88780a9SRoi Dayan out: 282271129676SJason Gunthorpe return ERR_PTR(err); 2823a88780a9SRoi Dayan } 2824a88780a9SRoi Dayan 282504de7ddaSRoi Dayan static int mlx5e_tc_add_fdb_peer_flow(struct tc_cls_flower_offload *f, 282695dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 282795dc1902SRoi Dayan u16 flow_flags) 282804de7ddaSRoi Dayan { 282904de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 283004de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 283104de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 283204de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 283304de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 283404de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 283504de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 283604de7ddaSRoi Dayan int err = 0; 283704de7ddaSRoi Dayan 283804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 283904de7ddaSRoi Dayan if (!peer_esw) 284004de7ddaSRoi Dayan return -ENODEV; 284104de7ddaSRoi Dayan 284204de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 284304de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 284404de7ddaSRoi Dayan 284504de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 284604de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 284704de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 284804de7ddaSRoi Dayan * peer mdev. 284904de7ddaSRoi Dayan */ 2850b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 285104de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 285204de7ddaSRoi Dayan else 285304de7ddaSRoi Dayan in_mdev = priv->mdev; 285404de7ddaSRoi Dayan 285504de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 285695dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 285704de7ddaSRoi Dayan parse_attr->filter_dev, 285871129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 285971129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 286071129676SJason Gunthorpe err = PTR_ERR(peer_flow); 286104de7ddaSRoi Dayan goto out; 286271129676SJason Gunthorpe } 286304de7ddaSRoi Dayan 286404de7ddaSRoi Dayan flow->peer_flow = peer_flow; 286504de7ddaSRoi Dayan flow->flags |= MLX5E_TC_FLOW_DUP; 286604de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 286704de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 286804de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 286904de7ddaSRoi Dayan 287004de7ddaSRoi Dayan out: 287104de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 287204de7ddaSRoi Dayan return err; 287304de7ddaSRoi Dayan } 287404de7ddaSRoi Dayan 287504de7ddaSRoi Dayan static int 287604de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 287704de7ddaSRoi Dayan struct tc_cls_flower_offload *f, 287804de7ddaSRoi Dayan u16 flow_flags, 287904de7ddaSRoi Dayan struct net_device *filter_dev, 288004de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 288104de7ddaSRoi Dayan { 288204de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 288304de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 288404de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 288504de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 288604de7ddaSRoi Dayan int err; 288704de7ddaSRoi Dayan 288871129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 288971129676SJason Gunthorpe in_mdev); 289071129676SJason Gunthorpe if (IS_ERR(flow)) 289171129676SJason Gunthorpe return PTR_ERR(flow); 289204de7ddaSRoi Dayan 289304de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 289495dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 289504de7ddaSRoi Dayan if (err) { 289604de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 289704de7ddaSRoi Dayan goto out; 289804de7ddaSRoi Dayan } 289904de7ddaSRoi Dayan } 290004de7ddaSRoi Dayan 290104de7ddaSRoi Dayan *__flow = flow; 290204de7ddaSRoi Dayan 290304de7ddaSRoi Dayan return 0; 290404de7ddaSRoi Dayan 290504de7ddaSRoi Dayan out: 290604de7ddaSRoi Dayan return err; 290704de7ddaSRoi Dayan } 290804de7ddaSRoi Dayan 2909a88780a9SRoi Dayan static int 2910a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 2911a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 29125dbe906fSPaul Blakey u16 flow_flags, 2913d11afc26SOz Shlomo struct net_device *filter_dev, 2914a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2915a88780a9SRoi Dayan { 291673867881SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 2917a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2918a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2919a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2920a88780a9SRoi Dayan int attr_size, err; 2921a88780a9SRoi Dayan 2922bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 2923bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 2924bf07aa73SPaul Blakey return -EOPNOTSUPP; 2925bf07aa73SPaul Blakey 2926a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 2927a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 2928a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2929a88780a9SRoi Dayan &parse_attr, &flow); 2930a88780a9SRoi Dayan if (err) 2931a88780a9SRoi Dayan goto out; 2932a88780a9SRoi Dayan 2933d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 293454c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 293554c177caSOz Shlomo f, filter_dev); 2936d11afc26SOz Shlomo if (err) 2937d11afc26SOz Shlomo goto err_free; 2938d11afc26SOz Shlomo 293973867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 2940a88780a9SRoi Dayan if (err) 2941a88780a9SRoi Dayan goto err_free; 2942a88780a9SRoi Dayan 2943a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 2944a88780a9SRoi Dayan if (err) 2945a88780a9SRoi Dayan goto err_free; 2946a88780a9SRoi Dayan 2947a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 2948a88780a9SRoi Dayan kvfree(parse_attr); 2949a88780a9SRoi Dayan *__flow = flow; 2950a88780a9SRoi Dayan 2951a88780a9SRoi Dayan return 0; 2952a88780a9SRoi Dayan 2953a88780a9SRoi Dayan err_free: 2954a88780a9SRoi Dayan kfree(flow); 2955a88780a9SRoi Dayan kvfree(parse_attr); 2956a88780a9SRoi Dayan out: 2957a88780a9SRoi Dayan return err; 2958a88780a9SRoi Dayan } 2959a88780a9SRoi Dayan 2960a88780a9SRoi Dayan static int 2961a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 2962a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 2963a88780a9SRoi Dayan int flags, 2964d11afc26SOz Shlomo struct net_device *filter_dev, 2965a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 2966a88780a9SRoi Dayan { 2967a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 29685dbe906fSPaul Blakey u16 flow_flags; 2969a88780a9SRoi Dayan int err; 2970a88780a9SRoi Dayan 2971a88780a9SRoi Dayan get_flags(flags, &flow_flags); 2972a88780a9SRoi Dayan 2973bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 2974bf07aa73SPaul Blakey return -EOPNOTSUPP; 2975bf07aa73SPaul Blakey 2976a88780a9SRoi Dayan if (esw && esw->mode == SRIOV_OFFLOADS) 2977d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 2978d11afc26SOz Shlomo filter_dev, flow); 2979a88780a9SRoi Dayan else 2980d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 2981d11afc26SOz Shlomo filter_dev, flow); 2982a88780a9SRoi Dayan 2983a88780a9SRoi Dayan return err; 2984a88780a9SRoi Dayan } 2985a88780a9SRoi Dayan 298671d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 2987a88780a9SRoi Dayan struct tc_cls_flower_offload *f, int flags) 2988a88780a9SRoi Dayan { 2989a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2990d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 2991a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2992a88780a9SRoi Dayan int err = 0; 2993a88780a9SRoi Dayan 2994a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 2995a88780a9SRoi Dayan if (flow) { 2996a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2997a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 2998a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 2999a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3000a88780a9SRoi Dayan f->cookie); 3001a88780a9SRoi Dayan goto out; 3002a88780a9SRoi Dayan } 3003a88780a9SRoi Dayan 3004d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3005a88780a9SRoi Dayan if (err) 3006a88780a9SRoi Dayan goto out; 3007a88780a9SRoi Dayan 3008a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 3009a88780a9SRoi Dayan if (err) 3010a88780a9SRoi Dayan goto err_free; 3011a88780a9SRoi Dayan 3012a88780a9SRoi Dayan return 0; 3013a88780a9SRoi Dayan 3014a88780a9SRoi Dayan err_free: 3015a88780a9SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3016a88780a9SRoi Dayan kfree(flow); 3017a88780a9SRoi Dayan out: 3018e3a2b7edSAmir Vadai return err; 3019e3a2b7edSAmir Vadai } 3020e3a2b7edSAmir Vadai 30218f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 30228f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 30238f8ae895SOr Gerlitz 30248f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 30258f8ae895SOr Gerlitz { 30268f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 30278f8ae895SOr Gerlitz return true; 30288f8ae895SOr Gerlitz 30298f8ae895SOr Gerlitz return false; 30308f8ae895SOr Gerlitz } 30318f8ae895SOr Gerlitz 303271d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 303360bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3034e3a2b7edSAmir Vadai { 3035d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3036e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3037e3a2b7edSAmir Vadai 303805866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 30398f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3040e3a2b7edSAmir Vadai return -EINVAL; 3041e3a2b7edSAmir Vadai 304205866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3043e3a2b7edSAmir Vadai 3044961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3045e3a2b7edSAmir Vadai 3046e3a2b7edSAmir Vadai kfree(flow); 3047e3a2b7edSAmir Vadai 3048e3a2b7edSAmir Vadai return 0; 3049e3a2b7edSAmir Vadai } 3050e3a2b7edSAmir Vadai 305171d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 305260bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3053aad7e08dSAmir Vadai { 305404de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3055d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 305604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3057aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3058aad7e08dSAmir Vadai struct mlx5_fc *counter; 3059aad7e08dSAmir Vadai u64 bytes; 3060aad7e08dSAmir Vadai u64 packets; 3061aad7e08dSAmir Vadai u64 lastuse; 3062aad7e08dSAmir Vadai 306305866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 30648f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3065aad7e08dSAmir Vadai return -EINVAL; 3066aad7e08dSAmir Vadai 30670b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 30680b67a38fSHadar Hen Zion return 0; 30690b67a38fSHadar Hen Zion 3070b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3071aad7e08dSAmir Vadai if (!counter) 3072aad7e08dSAmir Vadai return 0; 3073aad7e08dSAmir Vadai 3074aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3075aad7e08dSAmir Vadai 307604de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 307704de7ddaSRoi Dayan if (!peer_esw) 307804de7ddaSRoi Dayan goto out; 307904de7ddaSRoi Dayan 308004de7ddaSRoi Dayan if ((flow->flags & MLX5E_TC_FLOW_DUP) && 308104de7ddaSRoi Dayan (flow->peer_flow->flags & MLX5E_TC_FLOW_OFFLOADED)) { 308204de7ddaSRoi Dayan u64 bytes2; 308304de7ddaSRoi Dayan u64 packets2; 308404de7ddaSRoi Dayan u64 lastuse2; 308504de7ddaSRoi Dayan 308604de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 308704de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 308804de7ddaSRoi Dayan 308904de7ddaSRoi Dayan bytes += bytes2; 309004de7ddaSRoi Dayan packets += packets2; 309104de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 309204de7ddaSRoi Dayan } 309304de7ddaSRoi Dayan 309404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 309504de7ddaSRoi Dayan 309604de7ddaSRoi Dayan out: 30973b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 3098fed06ee8SOr Gerlitz 3099aad7e08dSAmir Vadai return 0; 3100aad7e08dSAmir Vadai } 3101aad7e08dSAmir Vadai 31024d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 31034d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 31044d8fcf21SAlaa Hleihel { 31054d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 31064d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 31074d8fcf21SAlaa Hleihel u16 peer_vhca_id; 31084d8fcf21SAlaa Hleihel int bkt; 31094d8fcf21SAlaa Hleihel 31104d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 31114d8fcf21SAlaa Hleihel return; 31124d8fcf21SAlaa Hleihel 31134d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 31144d8fcf21SAlaa Hleihel 31154d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 31164d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 31174d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 31184d8fcf21SAlaa Hleihel } 31194d8fcf21SAlaa Hleihel } 31204d8fcf21SAlaa Hleihel 31214d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 31224d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 31234d8fcf21SAlaa Hleihel { 31244d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 31254d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 31264d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 31274d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 31284d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 31294d8fcf21SAlaa Hleihel 31304d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 31314d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 31324d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 31334d8fcf21SAlaa Hleihel return NOTIFY_DONE; 31344d8fcf21SAlaa Hleihel 31354d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 31364d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 31374d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 31384d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 31394d8fcf21SAlaa Hleihel if (priv == peer_priv || 31404d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 31414d8fcf21SAlaa Hleihel return NOTIFY_DONE; 31424d8fcf21SAlaa Hleihel 31434d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 31444d8fcf21SAlaa Hleihel 31454d8fcf21SAlaa Hleihel return NOTIFY_DONE; 31464d8fcf21SAlaa Hleihel } 31474d8fcf21SAlaa Hleihel 3148655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3149e8f887acSAmir Vadai { 3150acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 31514d8fcf21SAlaa Hleihel int err; 3152e8f887acSAmir Vadai 315311c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 31545c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 315511c9c548SOr Gerlitz 31564d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 31574d8fcf21SAlaa Hleihel if (err) 31584d8fcf21SAlaa Hleihel return err; 31594d8fcf21SAlaa Hleihel 31604d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 31614d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 31624d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 31634d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 31644d8fcf21SAlaa Hleihel } 31654d8fcf21SAlaa Hleihel 31664d8fcf21SAlaa Hleihel return err; 3167e8f887acSAmir Vadai } 3168e8f887acSAmir Vadai 3169e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3170e8f887acSAmir Vadai { 3171e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3172655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3173e8f887acSAmir Vadai 3174961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3175e8f887acSAmir Vadai kfree(flow); 3176e8f887acSAmir Vadai } 3177e8f887acSAmir Vadai 3178655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3179e8f887acSAmir Vadai { 3180acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3181e8f887acSAmir Vadai 31824d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 31834d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 31844d8fcf21SAlaa Hleihel 3185d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 3186e8f887acSAmir Vadai 3187acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3188acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3189acff797cSMaor Gottlieb tc->t = NULL; 3190e8f887acSAmir Vadai } 3191e8f887acSAmir Vadai } 3192655dc3d2SOr Gerlitz 3193655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3194655dc3d2SOr Gerlitz { 3195655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3196655dc3d2SOr Gerlitz } 3197655dc3d2SOr Gerlitz 3198655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3199655dc3d2SOr Gerlitz { 3200655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3201655dc3d2SOr Gerlitz } 320201252a27SOr Gerlitz 3203d9ee0491SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv, int flags) 320401252a27SOr Gerlitz { 3205d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 320601252a27SOr Gerlitz 320701252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 320801252a27SOr Gerlitz } 320904de7ddaSRoi Dayan 321004de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 321104de7ddaSRoi Dayan { 321204de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 321304de7ddaSRoi Dayan 321404de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 321504de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 321604de7ddaSRoi Dayan } 3217