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), 7865ba8fb7SOr Gerlitz }; 7965ba8fb7SOr Gerlitz 80e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 81e4ad91f2SChris Mi 8279baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 8379baaec7SEli Britstein * Containing struct 8479baaec7SEli Britstein * |- Helper array 8579baaec7SEli Britstein * [0] Helper item 0 8679baaec7SEli Britstein * |- list_head item 0 8779baaec7SEli Britstein * |- index (0) 8879baaec7SEli Britstein * [1] Helper item 1 8979baaec7SEli Britstein * |- list_head item 1 9079baaec7SEli Britstein * |- index (1) 9179baaec7SEli Britstein * To access the containing struct from one of the list_head items: 9279baaec7SEli Britstein * 1. Get the helper item from the list_head item using 9379baaec7SEli Britstein * helper item = 9479baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 9579baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 9679baaec7SEli Britstein * containing struct = 9779baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 9879baaec7SEli Britstein */ 9979baaec7SEli Britstein struct encap_flow_item { 10079baaec7SEli Britstein struct list_head list; 10179baaec7SEli Britstein int index; 10279baaec7SEli Britstein }; 10379baaec7SEli Britstein 104e8f887acSAmir Vadai struct mlx5e_tc_flow { 105e8f887acSAmir Vadai struct rhash_head node; 106655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 107e8f887acSAmir Vadai u64 cookie; 1085dbe906fSPaul Blakey u16 flags; 109e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 11079baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 11179baaec7SEli Britstein * The number of encaps is bounded by the number of supported 11279baaec7SEli Britstein * destinations. 11379baaec7SEli Britstein */ 11479baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 11504de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 11611c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 1175c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 11804de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 1193bc4b7bfSOr Gerlitz union { 120ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1213bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1223bc4b7bfSOr Gerlitz }; 123e8f887acSAmir Vadai }; 124e8f887acSAmir Vadai 12517091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 12698b66cb1SEli Britstein struct ip_tunnel_info tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 127d11afc26SOz Shlomo struct net_device *filter_dev; 12817091853SOr Gerlitz struct mlx5_flow_spec spec; 129d79b6df6SOr Gerlitz int num_mod_hdr_actions; 130218d05ceSTonghao Zhang int max_mod_hdr_actions; 131d79b6df6SOr Gerlitz void *mod_hdr_actions; 13298b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 13317091853SOr Gerlitz }; 13417091853SOr Gerlitz 135acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 136b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 137e8f887acSAmir Vadai 13877ab67b7SOr Gerlitz struct mlx5e_hairpin { 13977ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 14077ab67b7SOr Gerlitz 14177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1423f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 14377ab67b7SOr Gerlitz u32 tdn; 14477ab67b7SOr Gerlitz u32 tirn; 1453f6d08d1SOr Gerlitz 1463f6d08d1SOr Gerlitz int num_channels; 1473f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1483f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1493f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 15077ab67b7SOr Gerlitz }; 15177ab67b7SOr Gerlitz 1525c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1535c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1545c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1555c65c564SOr Gerlitz 1565c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1575c65c564SOr Gerlitz struct list_head flows; 1585c65c564SOr Gerlitz 159d8822868SOr Gerlitz u16 peer_vhca_id; 160106be53bSOr Gerlitz u8 prio; 1615c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1625c65c564SOr Gerlitz }; 1635c65c564SOr Gerlitz 16411c9c548SOr Gerlitz struct mod_hdr_key { 16511c9c548SOr Gerlitz int num_actions; 16611c9c548SOr Gerlitz void *actions; 16711c9c548SOr Gerlitz }; 16811c9c548SOr Gerlitz 16911c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 17011c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 17111c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 17211c9c548SOr Gerlitz 17311c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 17411c9c548SOr Gerlitz struct list_head flows; 17511c9c548SOr Gerlitz 17611c9c548SOr Gerlitz struct mod_hdr_key key; 17711c9c548SOr Gerlitz 17811c9c548SOr Gerlitz u32 mod_hdr_id; 17911c9c548SOr Gerlitz }; 18011c9c548SOr Gerlitz 18111c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 18211c9c548SOr Gerlitz 18311c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 18411c9c548SOr Gerlitz { 18511c9c548SOr Gerlitz return jhash(key->actions, 18611c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 18711c9c548SOr Gerlitz } 18811c9c548SOr Gerlitz 18911c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 19011c9c548SOr Gerlitz struct mod_hdr_key *b) 19111c9c548SOr Gerlitz { 19211c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 19311c9c548SOr Gerlitz return 1; 19411c9c548SOr Gerlitz 19511c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 19611c9c548SOr Gerlitz } 19711c9c548SOr Gerlitz 19811c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 19911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 20011c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 20111c9c548SOr Gerlitz { 20211c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20311c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 20411c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 20511c9c548SOr Gerlitz struct mod_hdr_key key; 20611c9c548SOr Gerlitz bool found = false; 20711c9c548SOr Gerlitz u32 hash_key; 20811c9c548SOr Gerlitz 20911c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 21011c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 21111c9c548SOr Gerlitz 21211c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 21311c9c548SOr Gerlitz key.num_actions = num_actions; 21411c9c548SOr Gerlitz 21511c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 21611c9c548SOr Gerlitz 21711c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 21811c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 21911c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 22011c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 22111c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 22211c9c548SOr Gerlitz found = true; 22311c9c548SOr Gerlitz break; 22411c9c548SOr Gerlitz } 22511c9c548SOr Gerlitz } 22611c9c548SOr Gerlitz } else { 22711c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 22811c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 22911c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 23011c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 23111c9c548SOr Gerlitz found = true; 23211c9c548SOr Gerlitz break; 23311c9c548SOr Gerlitz } 23411c9c548SOr Gerlitz } 23511c9c548SOr Gerlitz } 23611c9c548SOr Gerlitz 23711c9c548SOr Gerlitz if (found) 23811c9c548SOr Gerlitz goto attach_flow; 23911c9c548SOr Gerlitz 24011c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 24111c9c548SOr Gerlitz if (!mh) 24211c9c548SOr Gerlitz return -ENOMEM; 24311c9c548SOr Gerlitz 24411c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 24511c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 24611c9c548SOr Gerlitz mh->key.num_actions = num_actions; 24711c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 24811c9c548SOr Gerlitz 24911c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 25011c9c548SOr Gerlitz mh->key.num_actions, 25111c9c548SOr Gerlitz mh->key.actions, 25211c9c548SOr Gerlitz &mh->mod_hdr_id); 25311c9c548SOr Gerlitz if (err) 25411c9c548SOr Gerlitz goto out_err; 25511c9c548SOr Gerlitz 25611c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 25711c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 25811c9c548SOr Gerlitz else 25911c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 26011c9c548SOr Gerlitz 26111c9c548SOr Gerlitz attach_flow: 26211c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 26311c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 26411c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 26511c9c548SOr Gerlitz else 26611c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 26711c9c548SOr Gerlitz 26811c9c548SOr Gerlitz return 0; 26911c9c548SOr Gerlitz 27011c9c548SOr Gerlitz out_err: 27111c9c548SOr Gerlitz kfree(mh); 27211c9c548SOr Gerlitz return err; 27311c9c548SOr Gerlitz } 27411c9c548SOr Gerlitz 27511c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 27611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 27711c9c548SOr Gerlitz { 27811c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 27911c9c548SOr Gerlitz 28011c9c548SOr Gerlitz list_del(&flow->mod_hdr); 28111c9c548SOr Gerlitz 28211c9c548SOr Gerlitz if (list_empty(next)) { 28311c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 28411c9c548SOr Gerlitz 28511c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 28611c9c548SOr Gerlitz 28711c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 28811c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 28911c9c548SOr Gerlitz kfree(mh); 29011c9c548SOr Gerlitz } 29111c9c548SOr Gerlitz } 29211c9c548SOr Gerlitz 29377ab67b7SOr Gerlitz static 29477ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 29577ab67b7SOr Gerlitz { 29677ab67b7SOr Gerlitz struct net_device *netdev; 29777ab67b7SOr Gerlitz struct mlx5e_priv *priv; 29877ab67b7SOr Gerlitz 29977ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 30077ab67b7SOr Gerlitz priv = netdev_priv(netdev); 30177ab67b7SOr Gerlitz return priv->mdev; 30277ab67b7SOr Gerlitz } 30377ab67b7SOr Gerlitz 30477ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 30577ab67b7SOr Gerlitz { 30677ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 30777ab67b7SOr Gerlitz void *tirc; 30877ab67b7SOr Gerlitz int err; 30977ab67b7SOr Gerlitz 31077ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 31177ab67b7SOr Gerlitz if (err) 31277ab67b7SOr Gerlitz goto alloc_tdn_err; 31377ab67b7SOr Gerlitz 31477ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 31577ab67b7SOr Gerlitz 31677ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 317ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 31877ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 31977ab67b7SOr Gerlitz 32077ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 32177ab67b7SOr Gerlitz if (err) 32277ab67b7SOr Gerlitz goto create_tir_err; 32377ab67b7SOr Gerlitz 32477ab67b7SOr Gerlitz return 0; 32577ab67b7SOr Gerlitz 32677ab67b7SOr Gerlitz create_tir_err: 32777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 32877ab67b7SOr Gerlitz alloc_tdn_err: 32977ab67b7SOr Gerlitz return err; 33077ab67b7SOr Gerlitz } 33177ab67b7SOr Gerlitz 33277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 33377ab67b7SOr Gerlitz { 33477ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 33577ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 33677ab67b7SOr Gerlitz } 33777ab67b7SOr Gerlitz 3383f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3393f6d08d1SOr Gerlitz { 3403f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3413f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3423f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3433f6d08d1SOr Gerlitz 3443f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3453f6d08d1SOr Gerlitz hp->num_channels); 3463f6d08d1SOr Gerlitz 3473f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3483f6d08d1SOr Gerlitz ix = i; 349bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 3503f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3513f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3523f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3533f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3543f6d08d1SOr Gerlitz } 3553f6d08d1SOr Gerlitz } 3563f6d08d1SOr Gerlitz 3573f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3583f6d08d1SOr Gerlitz { 3593f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3603f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3613f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3623f6d08d1SOr Gerlitz void *rqtc; 3633f6d08d1SOr Gerlitz u32 *in; 3643f6d08d1SOr Gerlitz 3653f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3663f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3673f6d08d1SOr Gerlitz if (!in) 3683f6d08d1SOr Gerlitz return -ENOMEM; 3693f6d08d1SOr Gerlitz 3703f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3713f6d08d1SOr Gerlitz 3723f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3733f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3743f6d08d1SOr Gerlitz 3753f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3763f6d08d1SOr Gerlitz 3773f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3783f6d08d1SOr Gerlitz if (!err) 3793f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3803f6d08d1SOr Gerlitz 3813f6d08d1SOr Gerlitz kvfree(in); 3823f6d08d1SOr Gerlitz return err; 3833f6d08d1SOr Gerlitz } 3843f6d08d1SOr Gerlitz 3853f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3863f6d08d1SOr Gerlitz { 3873f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3883f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3893f6d08d1SOr Gerlitz int tt, i, err; 3903f6d08d1SOr Gerlitz void *tirc; 3913f6d08d1SOr Gerlitz 3923f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 393d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 394d930ac79SAya Levin 3953f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3963f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3973f6d08d1SOr Gerlitz 3983f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 3993f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 4003f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 401bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 402bbeb53b8SAya Levin 4033f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 4043f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 4053f6d08d1SOr Gerlitz if (err) { 4063f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 4073f6d08d1SOr Gerlitz goto err_destroy_tirs; 4083f6d08d1SOr Gerlitz } 4093f6d08d1SOr Gerlitz } 4103f6d08d1SOr Gerlitz return 0; 4113f6d08d1SOr Gerlitz 4123f6d08d1SOr Gerlitz err_destroy_tirs: 4133f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 4143f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 4153f6d08d1SOr Gerlitz return err; 4163f6d08d1SOr Gerlitz } 4173f6d08d1SOr Gerlitz 4183f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 4193f6d08d1SOr Gerlitz { 4203f6d08d1SOr Gerlitz int tt; 4213f6d08d1SOr Gerlitz 4223f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4233f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 4243f6d08d1SOr Gerlitz } 4253f6d08d1SOr Gerlitz 4263f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 4273f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 4283f6d08d1SOr Gerlitz { 4293f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 4303f6d08d1SOr Gerlitz int tt; 4313f6d08d1SOr Gerlitz 4323f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4333f6d08d1SOr Gerlitz 4343f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4353f6d08d1SOr Gerlitz 4363f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4373f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4383f6d08d1SOr Gerlitz 4393f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4403f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4413f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4423f6d08d1SOr Gerlitz } 4433f6d08d1SOr Gerlitz 4443f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4453f6d08d1SOr Gerlitz { 4463f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4473f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4483f6d08d1SOr Gerlitz int err; 4493f6d08d1SOr Gerlitz 4503f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4513f6d08d1SOr Gerlitz if (err) 4523f6d08d1SOr Gerlitz return err; 4533f6d08d1SOr Gerlitz 4543f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4553f6d08d1SOr Gerlitz if (err) 4563f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4573f6d08d1SOr Gerlitz 4583f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4593f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4603f6d08d1SOr Gerlitz if (err) 4613f6d08d1SOr Gerlitz goto err_create_ttc_table; 4623f6d08d1SOr Gerlitz 4633f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4643f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4653f6d08d1SOr Gerlitz 4663f6d08d1SOr Gerlitz return 0; 4673f6d08d1SOr Gerlitz 4683f6d08d1SOr Gerlitz err_create_ttc_table: 4693f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4703f6d08d1SOr Gerlitz err_create_indirect_tirs: 4713f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4723f6d08d1SOr Gerlitz 4733f6d08d1SOr Gerlitz return err; 4743f6d08d1SOr Gerlitz } 4753f6d08d1SOr Gerlitz 4763f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4773f6d08d1SOr Gerlitz { 4783f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4793f6d08d1SOr Gerlitz 4803f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4813f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4823f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4833f6d08d1SOr Gerlitz } 4843f6d08d1SOr Gerlitz 48577ab67b7SOr Gerlitz static struct mlx5e_hairpin * 48677ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 48777ab67b7SOr Gerlitz int peer_ifindex) 48877ab67b7SOr Gerlitz { 48977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 49077ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 49177ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 49277ab67b7SOr Gerlitz int err; 49377ab67b7SOr Gerlitz 49477ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 49577ab67b7SOr Gerlitz if (!hp) 49677ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 49777ab67b7SOr Gerlitz 49877ab67b7SOr Gerlitz func_mdev = priv->mdev; 49977ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 50077ab67b7SOr Gerlitz 50177ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 50277ab67b7SOr Gerlitz if (IS_ERR(pair)) { 50377ab67b7SOr Gerlitz err = PTR_ERR(pair); 50477ab67b7SOr Gerlitz goto create_pair_err; 50577ab67b7SOr Gerlitz } 50677ab67b7SOr Gerlitz hp->pair = pair; 50777ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 5083f6d08d1SOr Gerlitz hp->func_priv = priv; 5093f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 51077ab67b7SOr Gerlitz 51177ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 51277ab67b7SOr Gerlitz if (err) 51377ab67b7SOr Gerlitz goto create_transport_err; 51477ab67b7SOr Gerlitz 5153f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 5163f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 5173f6d08d1SOr Gerlitz if (err) 5183f6d08d1SOr Gerlitz goto rss_init_err; 5193f6d08d1SOr Gerlitz } 5203f6d08d1SOr Gerlitz 52177ab67b7SOr Gerlitz return hp; 52277ab67b7SOr Gerlitz 5233f6d08d1SOr Gerlitz rss_init_err: 5243f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 52577ab67b7SOr Gerlitz create_transport_err: 52677ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 52777ab67b7SOr Gerlitz create_pair_err: 52877ab67b7SOr Gerlitz kfree(hp); 52977ab67b7SOr Gerlitz return ERR_PTR(err); 53077ab67b7SOr Gerlitz } 53177ab67b7SOr Gerlitz 53277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 53377ab67b7SOr Gerlitz { 5343f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5353f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 53677ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 53777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 53877ab67b7SOr Gerlitz kvfree(hp); 53977ab67b7SOr Gerlitz } 54077ab67b7SOr Gerlitz 541106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 542106be53bSOr Gerlitz { 543106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 544106be53bSOr Gerlitz } 545106be53bSOr Gerlitz 5465c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 547106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5485c65c564SOr Gerlitz { 5495c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 550106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5515c65c564SOr Gerlitz 5525c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 553106be53bSOr Gerlitz hairpin_hlist, hash_key) { 554106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5555c65c564SOr Gerlitz return hpe; 5565c65c564SOr Gerlitz } 5575c65c564SOr Gerlitz 5585c65c564SOr Gerlitz return NULL; 5595c65c564SOr Gerlitz } 5605c65c564SOr Gerlitz 561106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 562106be53bSOr Gerlitz 563106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 564e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 565e98bedf5SEli Britstein struct netlink_ext_ack *extack) 566106be53bSOr Gerlitz { 567106be53bSOr Gerlitz void *headers_c, *headers_v; 568106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 569106be53bSOr Gerlitz bool vlan_present; 570106be53bSOr Gerlitz 571106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 572106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 573e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 574e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 575106be53bSOr Gerlitz return -EOPNOTSUPP; 576106be53bSOr Gerlitz } 577106be53bSOr Gerlitz #endif 578106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 579106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 580106be53bSOr Gerlitz 581106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 582106be53bSOr Gerlitz if (vlan_present) { 583106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 584106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 585106be53bSOr Gerlitz } 586106be53bSOr Gerlitz 587106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 588106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 589106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 590e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 591e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 592106be53bSOr Gerlitz return -EOPNOTSUPP; 593106be53bSOr Gerlitz } 594106be53bSOr Gerlitz 595106be53bSOr Gerlitz *match_prio = prio_val; 596106be53bSOr Gerlitz return 0; 597106be53bSOr Gerlitz } 598106be53bSOr Gerlitz 5995c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 6005c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 601e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 602e98bedf5SEli Britstein struct netlink_ext_ack *extack) 6035c65c564SOr Gerlitz { 60498b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 6055c65c564SOr Gerlitz struct mlx5_hairpin_params params; 606d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 6075c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6085c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 6093f6d08d1SOr Gerlitz u64 link_speed64; 6103f6d08d1SOr Gerlitz u32 link_speed; 611106be53bSOr Gerlitz u8 match_prio; 612d8822868SOr Gerlitz u16 peer_id; 6135c65c564SOr Gerlitz int err; 6145c65c564SOr Gerlitz 615d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 616d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 617e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 6185c65c564SOr Gerlitz return -EOPNOTSUPP; 6195c65c564SOr Gerlitz } 6205c65c564SOr Gerlitz 621d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 622e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 623e98bedf5SEli Britstein extack); 624106be53bSOr Gerlitz if (err) 625106be53bSOr Gerlitz return err; 626106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 6275c65c564SOr Gerlitz if (hpe) 6285c65c564SOr Gerlitz goto attach_flow; 6295c65c564SOr Gerlitz 6305c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 6315c65c564SOr Gerlitz if (!hpe) 6325c65c564SOr Gerlitz return -ENOMEM; 6335c65c564SOr Gerlitz 6345c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 635d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 636106be53bSOr Gerlitz hpe->prio = match_prio; 6375c65c564SOr Gerlitz 6385c65c564SOr Gerlitz params.log_data_size = 15; 6395c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6405c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6415c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6425c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6435c65c564SOr Gerlitz 644eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 645eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 646eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 647eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 648eb9180f7SOr Gerlitz 649eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6503f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6512c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 6523f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6533f6d08d1SOr Gerlitz link_speed64 = link_speed; 6543f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6553f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6563f6d08d1SOr Gerlitz 6575c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6585c65c564SOr Gerlitz if (IS_ERR(hp)) { 6595c65c564SOr Gerlitz err = PTR_ERR(hp); 6605c65c564SOr Gerlitz goto create_hairpin_err; 6615c65c564SOr Gerlitz } 6625c65c564SOr Gerlitz 663eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 664ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 665eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6665c65c564SOr Gerlitz 6675c65c564SOr Gerlitz hpe->hp = hp; 668106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 669106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6705c65c564SOr Gerlitz 6715c65c564SOr Gerlitz attach_flow: 6723f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6733f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6743f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6753f6d08d1SOr Gerlitz } else { 6765c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6773f6d08d1SOr Gerlitz } 6785c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6793f6d08d1SOr Gerlitz 6805c65c564SOr Gerlitz return 0; 6815c65c564SOr Gerlitz 6825c65c564SOr Gerlitz create_hairpin_err: 6835c65c564SOr Gerlitz kfree(hpe); 6845c65c564SOr Gerlitz return err; 6855c65c564SOr Gerlitz } 6865c65c564SOr Gerlitz 6875c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6885c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6895c65c564SOr Gerlitz { 6905c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6915c65c564SOr Gerlitz 6925c65c564SOr Gerlitz list_del(&flow->hairpin); 6935c65c564SOr Gerlitz 6945c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6955c65c564SOr Gerlitz if (list_empty(next)) { 6965c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6975c65c564SOr Gerlitz 6985c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 6995c65c564SOr Gerlitz 7005c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 7015c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 7025c65c564SOr Gerlitz 7035c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 7045c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 7055c65c564SOr Gerlitz kfree(hpe); 7065c65c564SOr Gerlitz } 7075c65c564SOr Gerlitz } 7085c65c564SOr Gerlitz 709c83954abSRabie Loulou static int 71074491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 71117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 712e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 713e98bedf5SEli Britstein struct netlink_ext_ack *extack) 714e8f887acSAmir Vadai { 715aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 716aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 7175c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 71866958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 7193bc4b7bfSOr Gerlitz .action = attr->action, 7203bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 72160786f09SMark Bloch .reformat_id = 0, 72242f7ad67SPaul Blakey .flags = FLOW_ACT_HAS_TAG | FLOW_ACT_NO_APPEND, 72366958ed9SHadar Hen Zion }; 724aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 725e8f887acSAmir Vadai bool table_created = false; 7265c65c564SOr Gerlitz int err, dest_ix = 0; 727e8f887acSAmir Vadai 7285c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 729e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 7305c65c564SOr Gerlitz if (err) { 7315c65c564SOr Gerlitz goto err_add_hairpin_flow; 7325c65c564SOr Gerlitz } 7333f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7343f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7353f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7363f6d08d1SOr Gerlitz } else { 7375c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7385c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7393f6d08d1SOr Gerlitz } 7403f6d08d1SOr Gerlitz dest_ix++; 7413f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7425c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7435c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7445c65c564SOr Gerlitz dest_ix++; 7455c65c564SOr Gerlitz } 746aad7e08dSAmir Vadai 7475c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7485c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7495c65c564SOr Gerlitz if (IS_ERR(counter)) { 750c83954abSRabie Loulou err = PTR_ERR(counter); 7515c65c564SOr Gerlitz goto err_fc_create; 7525c65c564SOr Gerlitz } 7535c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 754171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 7555c65c564SOr Gerlitz dest_ix++; 756b8aee822SMark Bloch attr->counter = counter; 757aad7e08dSAmir Vadai } 758aad7e08dSAmir Vadai 7592f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7603099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 761d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7622f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 763c83954abSRabie Loulou if (err) 7642f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7652f4fe4caSOr Gerlitz } 7662f4fe4caSOr Gerlitz 767acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 76821b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 76921b9c144SOr Gerlitz u32 max_flow_counter; 77021b9c144SOr Gerlitz 77121b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 77221b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 77321b9c144SOr Gerlitz 77421b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 77521b9c144SOr Gerlitz 77621b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 77721b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 77821b9c144SOr Gerlitz 779acff797cSMaor Gottlieb priv->fs.tc.t = 780acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 781acff797cSMaor Gottlieb MLX5E_TC_PRIO, 78221b9c144SOr Gerlitz tc_tbl_size, 783acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7843f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 785acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 786e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 787e98bedf5SEli Britstein "Failed to create tc offload table\n"); 788e8f887acSAmir Vadai netdev_err(priv->netdev, 789e8f887acSAmir Vadai "Failed to create tc offload table\n"); 790c83954abSRabie Loulou err = PTR_ERR(priv->fs.tc.t); 791aad7e08dSAmir Vadai goto err_create_ft; 792e8f887acSAmir Vadai } 793e8f887acSAmir Vadai 794e8f887acSAmir Vadai table_created = true; 795e8f887acSAmir Vadai } 796e8f887acSAmir Vadai 79738aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 79817091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 79938aa51c1SOr Gerlitz 800c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 8015c65c564SOr Gerlitz &flow_act, dest, dest_ix); 802e8f887acSAmir Vadai 803c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 804c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 805aad7e08dSAmir Vadai goto err_add_rule; 806c83954abSRabie Loulou } 807aad7e08dSAmir Vadai 808c83954abSRabie Loulou return 0; 809aad7e08dSAmir Vadai 810aad7e08dSAmir Vadai err_add_rule: 811aad7e08dSAmir Vadai if (table_created) { 812acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 813acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 814e8f887acSAmir Vadai } 815aad7e08dSAmir Vadai err_create_ft: 8162f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8173099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8182f4fe4caSOr Gerlitz err_create_mod_hdr_id: 819aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 8205c65c564SOr Gerlitz err_fc_create: 8215c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8225c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 8235c65c564SOr Gerlitz err_add_hairpin_flow: 824c83954abSRabie Loulou return err; 825e8f887acSAmir Vadai } 826e8f887acSAmir Vadai 827d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 828d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 829d85cdccbSOr Gerlitz { 830513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 831d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 832d85cdccbSOr Gerlitz 833b8aee822SMark Bloch counter = attr->counter; 834e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 835d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 836d85cdccbSOr Gerlitz 837d9ee0491SOr Gerlitz if (!mlx5e_tc_num_filters(priv, MLX5E_TC_NIC_OFFLOAD) && priv->fs.tc.t) { 838d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 839d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 840d85cdccbSOr Gerlitz } 8412f4fe4caSOr Gerlitz 842513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8433099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8445c65c564SOr Gerlitz 8455c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8465c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 847d85cdccbSOr Gerlitz } 848d85cdccbSOr Gerlitz 849aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 8508c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 851aa0cbbaeSOr Gerlitz 8523c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 853e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 854733d4f36SRoi Dayan struct net_device *mirred_dev, 855733d4f36SRoi Dayan int out_index, 8568c4dc42bSEli Britstein struct netlink_ext_ack *extack, 8570ad060eeSRoi Dayan struct net_device **encap_dev, 8580ad060eeSRoi Dayan bool *encap_valid); 8593c37745eSOr Gerlitz 8606d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 8616d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 8626d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8636d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 8646d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8656d2a3ed0SOr Gerlitz { 8666d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 8676d2a3ed0SOr Gerlitz 8686d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 8696d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 8706d2a3ed0SOr Gerlitz return rule; 8716d2a3ed0SOr Gerlitz 872e85e02baSEli Britstein if (attr->split_count) { 8736d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 8746d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 8756d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 8766d2a3ed0SOr Gerlitz return flow->rule[1]; 8776d2a3ed0SOr Gerlitz } 8786d2a3ed0SOr Gerlitz } 8796d2a3ed0SOr Gerlitz 8806d2a3ed0SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 8816d2a3ed0SOr Gerlitz return rule; 8826d2a3ed0SOr Gerlitz } 8836d2a3ed0SOr Gerlitz 8846d2a3ed0SOr Gerlitz static void 8856d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 8866d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 8876d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 8886d2a3ed0SOr Gerlitz { 8896d2a3ed0SOr Gerlitz flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 8906d2a3ed0SOr Gerlitz 891e85e02baSEli Britstein if (attr->split_count) 8926d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 8936d2a3ed0SOr Gerlitz 8946d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 8956d2a3ed0SOr Gerlitz } 8966d2a3ed0SOr Gerlitz 8975dbe906fSPaul Blakey static struct mlx5_flow_handle * 8985dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 8995dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9005dbe906fSPaul Blakey struct mlx5_flow_spec *spec, 9015dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9025dbe906fSPaul Blakey { 9035dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 9045dbe906fSPaul Blakey 9055dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 906154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9072be09de7SDavid S. Miller slow_attr->split_count = 0; 908154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9095dbe906fSPaul Blakey 9105dbe906fSPaul Blakey rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 9115dbe906fSPaul Blakey if (!IS_ERR(rule)) 9125dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_SLOW; 9135dbe906fSPaul Blakey 9145dbe906fSPaul Blakey return rule; 9155dbe906fSPaul Blakey } 9165dbe906fSPaul Blakey 9175dbe906fSPaul Blakey static void 9185dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 9195dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 9205dbe906fSPaul Blakey struct mlx5_esw_flow_attr *slow_attr) 9215dbe906fSPaul Blakey { 9225dbe906fSPaul Blakey memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr)); 923154e62abSOr Gerlitz slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 9242be09de7SDavid S. Miller slow_attr->split_count = 0; 925154e62abSOr Gerlitz slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN; 9265dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 9275dbe906fSPaul Blakey flow->flags &= ~MLX5E_TC_FLOW_SLOW; 9285dbe906fSPaul Blakey } 9295dbe906fSPaul Blakey 930c83954abSRabie Loulou static int 93174491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 932e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 933e98bedf5SEli Britstein struct netlink_ext_ack *extack) 934adb4c123SOr Gerlitz { 935adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 936bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 937aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 9387040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 939bf07aa73SPaul Blakey u16 max_prio = mlx5_eswitch_get_prio_range(esw); 9403c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 941b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 9423c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 9433c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 9440ad060eeSRoi Dayan bool encap_valid = true; 9450ad060eeSRoi Dayan int err = 0; 946f493f155SEli Britstein int out_index; 9478b32580dSOr Gerlitz 948d14f6f2aSOr Gerlitz if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) { 949d14f6f2aSOr Gerlitz NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW"); 950d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 951d14f6f2aSOr Gerlitz } 952e52c2802SPaul Blakey 953bf07aa73SPaul Blakey if (attr->chain > max_chain) { 954bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested chain is out of supported range"); 955bf07aa73SPaul Blakey err = -EOPNOTSUPP; 956bf07aa73SPaul Blakey goto err_max_prio_chain; 957bf07aa73SPaul Blakey } 958bf07aa73SPaul Blakey 959bf07aa73SPaul Blakey if (attr->prio > max_prio) { 960bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested priority is out of supported range"); 961bf07aa73SPaul Blakey err = -EOPNOTSUPP; 962bf07aa73SPaul Blakey goto err_max_prio_chain; 963bf07aa73SPaul Blakey } 964bf07aa73SPaul Blakey 965f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 9668c4dc42bSEli Britstein int mirred_ifindex; 9678c4dc42bSEli Britstein 968f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 969f493f155SEli Britstein continue; 970f493f155SEli Britstein 9717040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 9723c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 9738c4dc42bSEli Britstein mirred_ifindex); 974733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 9750ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 9760ad060eeSRoi Dayan if (err) 9773c37745eSOr Gerlitz goto err_attach_encap; 9780ad060eeSRoi Dayan 9793c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 9803c37745eSOr Gerlitz rpriv = out_priv->ppriv; 9811cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 9821cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 9833c37745eSOr Gerlitz } 9843c37745eSOr Gerlitz 9858b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 986c83954abSRabie Loulou if (err) 987aa0cbbaeSOr Gerlitz goto err_add_vlan; 988adb4c123SOr Gerlitz 989d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9901a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 991d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 992c83954abSRabie Loulou if (err) 993d7e75a32SOr Gerlitz goto err_mod_hdr; 994d7e75a32SOr Gerlitz } 995d7e75a32SOr Gerlitz 996b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 997f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 998b8aee822SMark Bloch if (IS_ERR(counter)) { 999c83954abSRabie Loulou err = PTR_ERR(counter); 1000b8aee822SMark Bloch goto err_create_counter; 1001b8aee822SMark Bloch } 1002b8aee822SMark Bloch 1003b8aee822SMark Bloch attr->counter = counter; 1004b8aee822SMark Bloch } 1005b8aee822SMark Bloch 10060ad060eeSRoi Dayan /* we get here if one of the following takes place: 10070ad060eeSRoi Dayan * (1) there's no error 10080ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 10093c37745eSOr Gerlitz */ 10100ad060eeSRoi Dayan if (!encap_valid) { 10115dbe906fSPaul Blakey /* continue with goto slow path rule instead */ 10125dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 10135dbe906fSPaul Blakey 10145dbe906fSPaul Blakey flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec, &slow_attr); 10155dbe906fSPaul Blakey } else { 10166d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 10175dbe906fSPaul Blakey } 10185dbe906fSPaul Blakey 1019c83954abSRabie Loulou if (IS_ERR(flow->rule[0])) { 1020c83954abSRabie Loulou err = PTR_ERR(flow->rule[0]); 1021aa0cbbaeSOr Gerlitz goto err_add_rule; 1022c83954abSRabie Loulou } 1023c83954abSRabie Loulou 10245dbe906fSPaul Blakey return 0; 1025aa0cbbaeSOr Gerlitz 1026aa0cbbaeSOr Gerlitz err_add_rule: 1027f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, counter); 1028b8aee822SMark Bloch err_create_counter: 1029513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10301a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1031d7e75a32SOr Gerlitz err_mod_hdr: 1032aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1033aa0cbbaeSOr Gerlitz err_add_vlan: 1034f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10358c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10368c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 10373c37745eSOr Gerlitz err_attach_encap: 1038bf07aa73SPaul Blakey err_max_prio_chain: 1039c83954abSRabie Loulou return err; 1040aa0cbbaeSOr Gerlitz } 1041d85cdccbSOr Gerlitz 1042d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1043d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1044d85cdccbSOr Gerlitz { 1045d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1046d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 10475dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 1048f493f155SEli Britstein int out_index; 1049d85cdccbSOr Gerlitz 10505dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 10515dbe906fSPaul Blakey if (flow->flags & MLX5E_TC_FLOW_SLOW) 10525dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 10535dbe906fSPaul Blakey else 10545dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 10555dbe906fSPaul Blakey } 1056d85cdccbSOr Gerlitz 1057513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1058d85cdccbSOr Gerlitz 1059f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 10608c4dc42bSEli Britstein if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) 10618c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 1062f493f155SEli Britstein kvfree(attr->parse_attr); 1063d7e75a32SOr Gerlitz 1064513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10651a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1066b8aee822SMark Bloch 1067b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1068f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1069d85cdccbSOr Gerlitz } 1070d85cdccbSOr Gerlitz 1071232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 1072232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1073232c0013SHadar Hen Zion { 10743c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 10755dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr, *esw_attr; 10766d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10776d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 107879baaec7SEli Britstein struct encap_flow_item *efi; 1079232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1080232c0013SHadar Hen Zion int err; 1081232c0013SHadar Hen Zion 108254c177caSOz Shlomo err = mlx5_packet_reformat_alloc(priv->mdev, 108354c177caSOz Shlomo e->reformat_type, 1084232c0013SHadar Hen Zion e->encap_size, e->encap_header, 108531ca3648SMark Bloch MLX5_FLOW_NAMESPACE_FDB, 1086232c0013SHadar Hen Zion &e->encap_id); 1087232c0013SHadar Hen Zion if (err) { 1088232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 1089232c0013SHadar Hen Zion err); 1090232c0013SHadar Hen Zion return; 1091232c0013SHadar Hen Zion } 1092232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1093f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1094232c0013SHadar Hen Zion 109579baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 10968c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 10978c4dc42bSEli Britstein int i; 10988c4dc42bSEli Britstein 109979baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11003c37745eSOr Gerlitz esw_attr = flow->esw_attr; 11016d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 11026d2a3ed0SOr Gerlitz 11038c4dc42bSEli Britstein esw_attr->dests[efi->index].encap_id = e->encap_id; 11048c4dc42bSEli Britstein esw_attr->dests[efi->index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 11058c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 11068c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 11078c4dc42bSEli Britstein * a valid neighbour. 11088c4dc42bSEli Britstein */ 11098c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 11108c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 11118c4dc42bSEli Britstein continue; 11128c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 11138c4dc42bSEli Britstein all_flow_encaps_valid = false; 11148c4dc42bSEli Britstein break; 11158c4dc42bSEli Britstein } 11168c4dc42bSEli Britstein } 11178c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 11188c4dc42bSEli Britstein if (!all_flow_encaps_valid) 11198c4dc42bSEli Britstein continue; 11205dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 11216d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 11226d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 11236d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1124232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1125232c0013SHadar Hen Zion err); 1126232c0013SHadar Hen Zion continue; 1127232c0013SHadar Hen Zion } 11285dbe906fSPaul Blakey 11295dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(esw, flow, &slow_attr); 11305dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when slow path rule removed */ 11316d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1132232c0013SHadar Hen Zion } 1133232c0013SHadar Hen Zion } 1134232c0013SHadar Hen Zion 1135232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 1136232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 1137232c0013SHadar Hen Zion { 11383c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 11395dbe906fSPaul Blakey struct mlx5_esw_flow_attr slow_attr; 11405dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11415dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 114279baaec7SEli Britstein struct encap_flow_item *efi; 1143232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 11445dbe906fSPaul Blakey int err; 1145232c0013SHadar Hen Zion 114679baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 114779baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 11485dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 11495dbe906fSPaul Blakey 11505dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 11515dbe906fSPaul Blakey rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec, &slow_attr); 11528c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 11538c4dc42bSEli Britstein flow->esw_attr->dests[efi->index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 11545dbe906fSPaul Blakey 11555dbe906fSPaul Blakey if (IS_ERR(rule)) { 11565dbe906fSPaul Blakey err = PTR_ERR(rule); 11575dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 11585dbe906fSPaul Blakey err); 11595dbe906fSPaul Blakey continue; 11605dbe906fSPaul Blakey } 11615dbe906fSPaul Blakey 11626d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 11635dbe906fSPaul Blakey flow->flags |= MLX5E_TC_FLOW_OFFLOADED; /* was unset when fast path rule removed */ 11645dbe906fSPaul Blakey flow->rule[0] = rule; 1165232c0013SHadar Hen Zion } 1166232c0013SHadar Hen Zion 116761c806daSOr Gerlitz /* we know that the encap is valid */ 1168232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 116960786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1170232c0013SHadar Hen Zion } 1171232c0013SHadar Hen Zion 1172b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1173b8aee822SMark Bloch { 1174b8aee822SMark Bloch if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1175b8aee822SMark Bloch return flow->esw_attr->counter; 1176b8aee822SMark Bloch else 1177b8aee822SMark Bloch return flow->nic_attr->counter; 1178b8aee822SMark Bloch } 1179b8aee822SMark Bloch 1180f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1181f6dfb4c3SHadar Hen Zion { 1182f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1183f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 1184f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1185f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 1186f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1187f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1188f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1189f6dfb4c3SHadar Hen Zion struct neighbour *n; 1190f6dfb4c3SHadar Hen Zion 1191f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1192f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1193f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1194f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 1195423c9db2SOr Gerlitz tbl = &nd_tbl; 1196f6dfb4c3SHadar Hen Zion #endif 1197f6dfb4c3SHadar Hen Zion else 1198f6dfb4c3SHadar Hen Zion return; 1199f6dfb4c3SHadar Hen Zion 1200f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 120179baaec7SEli Britstein struct encap_flow_item *efi; 1202f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 1203f6dfb4c3SHadar Hen Zion continue; 120479baaec7SEli Britstein list_for_each_entry(efi, &e->flows, list) { 120579baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 120679baaec7SEli Britstein encaps[efi->index]); 1207f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 1208b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 1209f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 1210f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1211f6dfb4c3SHadar Hen Zion neigh_used = true; 1212f6dfb4c3SHadar Hen Zion break; 1213f6dfb4c3SHadar Hen Zion } 1214f6dfb4c3SHadar Hen Zion } 1215f6dfb4c3SHadar Hen Zion } 1216e36d4810SRoi Dayan if (neigh_used) 1217e36d4810SRoi Dayan break; 1218f6dfb4c3SHadar Hen Zion } 1219f6dfb4c3SHadar Hen Zion 1220f6dfb4c3SHadar Hen Zion if (neigh_used) { 1221f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1222f6dfb4c3SHadar Hen Zion 1223f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1224f6dfb4c3SHadar Hen Zion * dst ip pair 1225f6dfb4c3SHadar Hen Zion */ 1226f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1227c7f7ba8dSRoi Dayan if (!n) 1228f6dfb4c3SHadar Hen Zion return; 1229f6dfb4c3SHadar Hen Zion 1230f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1231f6dfb4c3SHadar Hen Zion neigh_release(n); 1232f6dfb4c3SHadar Hen Zion } 1233f6dfb4c3SHadar Hen Zion } 1234f6dfb4c3SHadar Hen Zion 1235d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 12368c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index) 1237d85cdccbSOr Gerlitz { 12388c4dc42bSEli Britstein struct list_head *next = flow->encaps[out_index].list.next; 12395067b602SRoi Dayan 12408c4dc42bSEli Britstein list_del(&flow->encaps[out_index].list); 12415067b602SRoi Dayan if (list_empty(next)) { 1242c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 12435067b602SRoi Dayan 1244c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1245232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1246232c0013SHadar Hen Zion 1247232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 124860786f09SMark Bloch mlx5_packet_reformat_dealloc(priv->mdev, e->encap_id); 1249232c0013SHadar Hen Zion 1250cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1251232c0013SHadar Hen Zion kfree(e->encap_header); 12525067b602SRoi Dayan kfree(e); 12535067b602SRoi Dayan } 12545067b602SRoi Dayan } 12555067b602SRoi Dayan 125604de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 125704de7ddaSRoi Dayan { 125804de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 125904de7ddaSRoi Dayan 126004de7ddaSRoi Dayan if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 126104de7ddaSRoi Dayan !(flow->flags & MLX5E_TC_FLOW_DUP)) 126204de7ddaSRoi Dayan return; 126304de7ddaSRoi Dayan 126404de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 126504de7ddaSRoi Dayan list_del(&flow->peer); 126604de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 126704de7ddaSRoi Dayan 126804de7ddaSRoi Dayan flow->flags &= ~MLX5E_TC_FLOW_DUP; 126904de7ddaSRoi Dayan 127004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 127104de7ddaSRoi Dayan kvfree(flow->peer_flow); 127204de7ddaSRoi Dayan flow->peer_flow = NULL; 127304de7ddaSRoi Dayan } 127404de7ddaSRoi Dayan 127504de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 127604de7ddaSRoi Dayan { 127704de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 127804de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 127904de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 128004de7ddaSRoi Dayan 128104de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 128204de7ddaSRoi Dayan if (!peer_esw) 128304de7ddaSRoi Dayan return; 128404de7ddaSRoi Dayan 128504de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 128604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 128704de7ddaSRoi Dayan } 128804de7ddaSRoi Dayan 1289e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1290961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1291e8f887acSAmir Vadai { 129204de7ddaSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 129304de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1294d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 129504de7ddaSRoi Dayan } else { 1296d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1297e8f887acSAmir Vadai } 129804de7ddaSRoi Dayan } 1299e8f887acSAmir Vadai 1300bbd00f7eSHadar Hen Zion 1301bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1302bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 130354c177caSOz Shlomo struct tc_cls_flower_offload *f, 13046363651dSOr Gerlitz struct net_device *filter_dev, u8 *match_level) 1305bbd00f7eSHadar Hen Zion { 1306e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1307bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1308bbd00f7eSHadar Hen Zion outer_headers); 1309bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1310bbd00f7eSHadar Hen Zion outer_headers); 13118f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 13128f256622SPablo Neira Ayuso struct flow_match_control enc_control; 13138f256622SPablo Neira Ayuso int err; 1314bbd00f7eSHadar Hen Zion 1315101f4de9SOz Shlomo err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 13166363651dSOr Gerlitz headers_c, headers_v, match_level); 131754c177caSOz Shlomo if (err) { 131854c177caSOz Shlomo NL_SET_ERR_MSG_MOD(extack, 131954c177caSOz Shlomo "failed to parse tunnel attributes"); 1320101f4de9SOz Shlomo return err; 1321bbd00f7eSHadar Hen Zion } 1322bbd00f7eSHadar Hen Zion 13238f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &enc_control); 13248f256622SPablo Neira Ayuso 13258f256622SPablo Neira Ayuso if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 13268f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 13278f256622SPablo Neira Ayuso 13288f256622SPablo Neira Ayuso flow_rule_match_enc_ipv4_addrs(rule, &match); 1329bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1330bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13318f256622SPablo Neira Ayuso ntohl(match.mask->src)); 1332bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1333bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 13348f256622SPablo Neira Ayuso ntohl(match.key->src)); 1335bbd00f7eSHadar Hen Zion 1336bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1337bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13388f256622SPablo Neira Ayuso ntohl(match.mask->dst)); 1339bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1340bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 13418f256622SPablo Neira Ayuso ntohl(match.key->dst)); 1342bbd00f7eSHadar Hen Zion 1343bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1344bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 13458f256622SPablo Neira Ayuso } else if (enc_control.key->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 13468f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 134719f44401SOr Gerlitz 13488f256622SPablo Neira Ayuso flow_rule_match_enc_ipv6_addrs(rule, &match); 134919f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 135019f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13518f256622SPablo Neira Ayuso &match.mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 135219f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 135319f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 13548f256622SPablo Neira Ayuso &match.key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 135519f44401SOr Gerlitz 135619f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 135719f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 13588f256622SPablo Neira Ayuso &match.mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 135919f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 136019f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 13618f256622SPablo Neira Ayuso &match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 136219f44401SOr Gerlitz 136319f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 136419f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 13652e72eb43SOr Gerlitz } 1366bbd00f7eSHadar Hen Zion 13678f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 13688f256622SPablo Neira Ayuso struct flow_match_ip match; 1369bcef735cSOr Gerlitz 13708f256622SPablo Neira Ayuso flow_rule_match_enc_ip(rule, &match); 13718f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 13728f256622SPablo Neira Ayuso match.mask->tos & 0x3); 13738f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 13748f256622SPablo Neira Ayuso match.key->tos & 0x3); 1375bcef735cSOr Gerlitz 13768f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 13778f256622SPablo Neira Ayuso match.mask->tos >> 2); 13788f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 13798f256622SPablo Neira Ayuso match.key->tos >> 2); 1380bcef735cSOr Gerlitz 13818f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 13828f256622SPablo Neira Ayuso match.mask->ttl); 13838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 13848f256622SPablo Neira Ayuso match.key->ttl); 1385e98bedf5SEli Britstein 13868f256622SPablo Neira Ayuso if (match.mask->ttl && 1387e98bedf5SEli Britstein !MLX5_CAP_ESW_FLOWTABLE_FDB 1388e98bedf5SEli Britstein (priv->mdev, 1389e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1390e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1391e98bedf5SEli Britstein "Matching on TTL is not supported"); 1392e98bedf5SEli Britstein return -EOPNOTSUPP; 1393e98bedf5SEli Britstein } 1394e98bedf5SEli Britstein 1395bcef735cSOr Gerlitz } 1396bcef735cSOr Gerlitz 1397bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1398bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1399bbd00f7eSHadar Hen Zion */ 1400bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1401bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1402bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1403bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1404bbd00f7eSHadar Hen Zion 1405bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1406bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1407bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1408bbd00f7eSHadar Hen Zion 1409bbd00f7eSHadar Hen Zion return 0; 1410bbd00f7eSHadar Hen Zion } 1411bbd00f7eSHadar Hen Zion 1412de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1413de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1414de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 141554c177caSOz Shlomo struct net_device *filter_dev, 14166363651dSOr Gerlitz u8 *match_level, u8 *tunnel_match_level) 1417e3a2b7edSAmir Vadai { 1418e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1419c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1420c5bb1730SMaor Gottlieb outer_headers); 1421c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1422c5bb1730SMaor Gottlieb outer_headers); 1423699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1424699e96ddSJianbo Liu misc_parameters); 1425699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1426699e96ddSJianbo Liu misc_parameters); 14278f256622SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 14288f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1429e3a2b7edSAmir Vadai u16 addr_type = 0; 1430e3a2b7edSAmir Vadai u8 ip_proto = 0; 1431e3a2b7edSAmir Vadai 1432d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1433de0af0bfSRoi Dayan 14348f256622SPablo Neira Ayuso if (dissector->used_keys & 1435e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1436e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1437e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1438095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1439699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1440e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1441e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1442bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1443bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1444bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1445bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1446bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1447e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1448fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1449bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 1450bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { 1451e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 1452e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 14538f256622SPablo Neira Ayuso dissector->used_keys); 1454e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1455e3a2b7edSAmir Vadai } 1456e3a2b7edSAmir Vadai 14578f256622SPablo Neira Ayuso if ((flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 14588f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID) || 14598f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 14608f256622SPablo Neira Ayuso flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 14618f256622SPablo Neira Ayuso struct flow_match_control match; 14628f256622SPablo Neira Ayuso 14638f256622SPablo Neira Ayuso flow_rule_match_enc_control(rule, &match); 14648f256622SPablo Neira Ayuso switch (match.key->addr_type) { 1465bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 146619f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 14676363651dSOr Gerlitz if (parse_tunnel_attr(priv, spec, f, filter_dev, tunnel_match_level)) 1468bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1469bbd00f7eSHadar Hen Zion break; 1470bbd00f7eSHadar Hen Zion default: 1471bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1472bbd00f7eSHadar Hen Zion } 1473bbd00f7eSHadar Hen Zion 1474bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1475bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1476bbd00f7eSHadar Hen Zion */ 1477bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1478bbd00f7eSHadar Hen Zion inner_headers); 1479bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1480bbd00f7eSHadar Hen Zion inner_headers); 1481bbd00f7eSHadar Hen Zion } 1482bbd00f7eSHadar Hen Zion 14838f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 14848f256622SPablo Neira Ayuso struct flow_match_basic match; 1485e3a2b7edSAmir Vadai 14868f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 14878f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 14888f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 14898f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 14908f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 14918f256622SPablo Neira Ayuso 14928f256622SPablo Neira Ayuso if (match.mask->n_proto) 1493d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1494e3a2b7edSAmir Vadai } 1495e3a2b7edSAmir Vadai 14968f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) { 14978f256622SPablo Neira Ayuso struct flow_match_vlan match; 14988f256622SPablo Neira Ayuso 14998f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15008f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15018f256622SPablo Neira Ayuso match.mask->vlan_priority || 15028f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15038f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1504699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1505699e96ddSJianbo Liu svlan_tag, 1); 1506699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1507699e96ddSJianbo Liu svlan_tag, 1); 1508699e96ddSJianbo Liu } else { 1509699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1510699e96ddSJianbo Liu cvlan_tag, 1); 1511699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1512699e96ddSJianbo Liu cvlan_tag, 1); 1513699e96ddSJianbo Liu } 1514095b6cfdSOr Gerlitz 15158f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 15168f256622SPablo Neira Ayuso match.mask->vlan_id); 15178f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 15188f256622SPablo Neira Ayuso match.key->vlan_id); 1519358d79a4SOr Gerlitz 15208f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 15218f256622SPablo Neira Ayuso match.mask->vlan_priority); 15228f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 15238f256622SPablo Neira Ayuso match.key->vlan_priority); 152454782900SOr Gerlitz 1525d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1526095b6cfdSOr Gerlitz } 1527d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 1528cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); 1529cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 1530d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 1531095b6cfdSOr Gerlitz } 1532095b6cfdSOr Gerlitz 15338f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 15348f256622SPablo Neira Ayuso struct flow_match_vlan match; 15358f256622SPablo Neira Ayuso 15368f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 15378f256622SPablo Neira Ayuso if (match.mask->vlan_id || 15388f256622SPablo Neira Ayuso match.mask->vlan_priority || 15398f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 15408f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 1541699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1542699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1543699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1544699e96ddSJianbo Liu outer_second_svlan_tag, 1); 1545699e96ddSJianbo Liu } else { 1546699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 1547699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1548699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 1549699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 1550699e96ddSJianbo Liu } 1551699e96ddSJianbo Liu 1552699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 15538f256622SPablo Neira Ayuso match.mask->vlan_id); 1554699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 15558f256622SPablo Neira Ayuso match.key->vlan_id); 1556699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 15578f256622SPablo Neira Ayuso match.mask->vlan_priority); 1558699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 15598f256622SPablo Neira Ayuso match.key->vlan_priority); 1560699e96ddSJianbo Liu 1561699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 1562699e96ddSJianbo Liu } 1563699e96ddSJianbo Liu } 1564699e96ddSJianbo Liu 15658f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 15668f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 156754782900SOr Gerlitz 15688f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 1569d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1570d3a80bb5SOr Gerlitz dmac_47_16), 15718f256622SPablo Neira Ayuso match.mask->dst); 1572d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1573d3a80bb5SOr Gerlitz dmac_47_16), 15748f256622SPablo Neira Ayuso match.key->dst); 1575d3a80bb5SOr Gerlitz 1576d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1577d3a80bb5SOr Gerlitz smac_47_16), 15788f256622SPablo Neira Ayuso match.mask->src); 1579d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1580d3a80bb5SOr Gerlitz smac_47_16), 15818f256622SPablo Neira Ayuso match.key->src); 1582d3a80bb5SOr Gerlitz 15838f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 15848f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 1585d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 158654782900SOr Gerlitz } 158754782900SOr Gerlitz 15888f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 15898f256622SPablo Neira Ayuso struct flow_match_control match; 159054782900SOr Gerlitz 15918f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 15928f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 159354782900SOr Gerlitz 159454782900SOr Gerlitz /* the HW doesn't support frag first/later */ 15958f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 159654782900SOr Gerlitz return -EOPNOTSUPP; 159754782900SOr Gerlitz 15988f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 159954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 160054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 16018f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 160254782900SOr Gerlitz 160354782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 16048f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 160583621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 160654782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 160754782900SOr Gerlitz else 160883621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 160954782900SOr Gerlitz } 161054782900SOr Gerlitz } 161154782900SOr Gerlitz 16128f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 16138f256622SPablo Neira Ayuso struct flow_match_basic match; 16148f256622SPablo Neira Ayuso 16158f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 16168f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 161754782900SOr Gerlitz 161854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 16198f256622SPablo Neira Ayuso match.mask->ip_proto); 162054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 16218f256622SPablo Neira Ayuso match.key->ip_proto); 162254782900SOr Gerlitz 16238f256622SPablo Neira Ayuso if (match.mask->ip_proto) 1624d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 162554782900SOr Gerlitz } 162654782900SOr Gerlitz 1627e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 16288f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 1629e3a2b7edSAmir Vadai 16308f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 1631e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1632e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16338f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1634e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1635e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 16368f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1637e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1638e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16398f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1640e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1641e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 16428f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1643de0af0bfSRoi Dayan 16448f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1645d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1646e3a2b7edSAmir Vadai } 1647e3a2b7edSAmir Vadai 1648e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 16498f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 1650e3a2b7edSAmir Vadai 16518f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 1652e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1653e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 16548f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 1655e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1656e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 16578f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 1658e3a2b7edSAmir Vadai 1659e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1660e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16618f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 1662e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1663e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 16648f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 1665de0af0bfSRoi Dayan 16668f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 16678f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 1668d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1669e3a2b7edSAmir Vadai } 1670e3a2b7edSAmir Vadai 16718f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 16728f256622SPablo Neira Ayuso struct flow_match_ip match; 16731f97a526SOr Gerlitz 16748f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 16758f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 16768f256622SPablo Neira Ayuso match.mask->tos & 0x3); 16778f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 16788f256622SPablo Neira Ayuso match.key->tos & 0x3); 16791f97a526SOr Gerlitz 16808f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 16818f256622SPablo Neira Ayuso match.mask->tos >> 2); 16828f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 16838f256622SPablo Neira Ayuso match.key->tos >> 2); 16841f97a526SOr Gerlitz 16858f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 16868f256622SPablo Neira Ayuso match.mask->ttl); 16878f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 16888f256622SPablo Neira Ayuso match.key->ttl); 16891f97a526SOr Gerlitz 16908f256622SPablo Neira Ayuso if (match.mask->ttl && 1691a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1692e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 1693e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1694e98bedf5SEli Britstein "Matching on TTL is not supported"); 16951f97a526SOr Gerlitz return -EOPNOTSUPP; 1696e98bedf5SEli Britstein } 1697a8ade55fSOr Gerlitz 16988f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 1699d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 17001f97a526SOr Gerlitz } 17011f97a526SOr Gerlitz 170254782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 170354782900SOr Gerlitz 17048f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 17058f256622SPablo Neira Ayuso struct flow_match_ports match; 17068f256622SPablo Neira Ayuso 17078f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 1708e3a2b7edSAmir Vadai switch (ip_proto) { 1709e3a2b7edSAmir Vadai case IPPROTO_TCP: 1710e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17118f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 1712e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17138f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 1714e3a2b7edSAmir Vadai 1715e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17168f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 1717e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17188f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 1719e3a2b7edSAmir Vadai break; 1720e3a2b7edSAmir Vadai 1721e3a2b7edSAmir Vadai case IPPROTO_UDP: 1722e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17238f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 1724e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17258f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 1726e3a2b7edSAmir Vadai 1727e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 17288f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 1729e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 17308f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 1731e3a2b7edSAmir Vadai break; 1732e3a2b7edSAmir Vadai default: 1733e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1734e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 1735e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1736e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1737e3a2b7edSAmir Vadai return -EINVAL; 1738e3a2b7edSAmir Vadai } 1739de0af0bfSRoi Dayan 17408f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 1741d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1742e3a2b7edSAmir Vadai } 1743e3a2b7edSAmir Vadai 17448f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 17458f256622SPablo Neira Ayuso struct flow_match_tcp match; 1746e77834ecSOr Gerlitz 17478f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 1748e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 17498f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 1750e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 17518f256622SPablo Neira Ayuso ntohs(match.key->flags)); 1752e77834ecSOr Gerlitz 17538f256622SPablo Neira Ayuso if (match.mask->flags) 1754d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1755e77834ecSOr Gerlitz } 1756e77834ecSOr Gerlitz 1757e3a2b7edSAmir Vadai return 0; 1758e3a2b7edSAmir Vadai } 1759e3a2b7edSAmir Vadai 1760de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 176165ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1762de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 176354c177caSOz Shlomo struct tc_cls_flower_offload *f, 176454c177caSOz Shlomo struct net_device *filter_dev) 1765de0af0bfSRoi Dayan { 1766e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1767de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1768de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 17691d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 17706363651dSOr Gerlitz u8 match_level, tunnel_match_level = MLX5_MATCH_NONE; 17711d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1772de0af0bfSRoi Dayan int err; 1773de0af0bfSRoi Dayan 17746363651dSOr Gerlitz err = __parse_cls_flower(priv, spec, f, filter_dev, &match_level, &tunnel_match_level); 1775de0af0bfSRoi Dayan 17761d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 17771d447a39SSaeed Mahameed rep = rpriv->rep; 1778b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 17791d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1780d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1781e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1782e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 1783de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1784de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1785d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1786de0af0bfSRoi Dayan return -EOPNOTSUPP; 1787de0af0bfSRoi Dayan } 1788de0af0bfSRoi Dayan } 1789de0af0bfSRoi Dayan 17906363651dSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 179138aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 17926363651dSOr Gerlitz flow->esw_attr->tunnel_match_level = tunnel_match_level; 17936363651dSOr Gerlitz } else { 179438aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 17956363651dSOr Gerlitz } 179638aa51c1SOr Gerlitz 1797de0af0bfSRoi Dayan return err; 1798de0af0bfSRoi Dayan } 1799de0af0bfSRoi Dayan 1800d79b6df6SOr Gerlitz struct pedit_headers { 1801d79b6df6SOr Gerlitz struct ethhdr eth; 1802d79b6df6SOr Gerlitz struct iphdr ip4; 1803d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1804d79b6df6SOr Gerlitz struct tcphdr tcp; 1805d79b6df6SOr Gerlitz struct udphdr udp; 1806d79b6df6SOr Gerlitz }; 1807d79b6df6SOr Gerlitz 1808c500c86bSPablo Neira Ayuso struct pedit_headers_action { 1809c500c86bSPablo Neira Ayuso struct pedit_headers vals; 1810c500c86bSPablo Neira Ayuso struct pedit_headers masks; 1811c500c86bSPablo Neira Ayuso u32 pedits; 1812c500c86bSPablo Neira Ayuso }; 1813c500c86bSPablo Neira Ayuso 1814d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 181573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 181673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 181773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 181873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 181973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1820d79b6df6SOr Gerlitz }; 1821d79b6df6SOr Gerlitz 1822d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1823d79b6df6SOr Gerlitz 1824d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1825c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 1826d79b6df6SOr Gerlitz { 1827d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1828d79b6df6SOr Gerlitz 1829c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 1830c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 1831d79b6df6SOr Gerlitz 1832d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1833d79b6df6SOr Gerlitz goto out_err; 1834d79b6df6SOr Gerlitz 1835d79b6df6SOr Gerlitz *curr_pmask |= mask; 1836d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1837d79b6df6SOr Gerlitz 1838d79b6df6SOr Gerlitz return 0; 1839d79b6df6SOr Gerlitz 1840d79b6df6SOr Gerlitz out_err: 1841d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1842d79b6df6SOr Gerlitz } 1843d79b6df6SOr Gerlitz 1844d79b6df6SOr Gerlitz struct mlx5_fields { 1845d79b6df6SOr Gerlitz u8 field; 1846d79b6df6SOr Gerlitz u8 size; 1847d79b6df6SOr Gerlitz u32 offset; 1848d79b6df6SOr Gerlitz }; 1849d79b6df6SOr Gerlitz 1850a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1851a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1852a8e4f0c4SOr Gerlitz 1853d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1854a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1855a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1856a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1857a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1858a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 1859d79b6df6SOr Gerlitz 1860a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1861a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1862a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1863d79b6df6SOr Gerlitz 1864a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1865a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1866a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1867a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1868a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1869a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1870a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1871a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 18720c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1873d79b6df6SOr Gerlitz 1874a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1875a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1876a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1877d79b6df6SOr Gerlitz 1878a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1879a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1880d79b6df6SOr Gerlitz }; 1881d79b6df6SOr Gerlitz 1882218d05ceSTonghao Zhang /* On input attr->max_mod_hdr_actions tells how many HW actions can be parsed at 1883218d05ceSTonghao Zhang * max from the SW pedit action. On success, attr->num_mod_hdr_actions 1884218d05ceSTonghao Zhang * says how many HW actions were actually parsed. 1885d79b6df6SOr Gerlitz */ 1886c500c86bSPablo Neira Ayuso static int offload_pedit_fields(struct pedit_headers_action *hdrs, 1887e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 1888e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1889d79b6df6SOr Gerlitz { 1890d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 18912b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1892d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1893d79b6df6SOr Gerlitz struct mlx5_fields *f; 1894d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1895e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1896d79b6df6SOr Gerlitz unsigned long mask; 18972b64bebaSOr Gerlitz __be32 mask_be32; 18982b64bebaSOr Gerlitz __be16 mask_be16; 1899d79b6df6SOr Gerlitz void *action; 1900d79b6df6SOr Gerlitz 190173867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 190273867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 190373867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 190473867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 1905d79b6df6SOr Gerlitz 1906d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1907218d05ceSTonghao Zhang action = parse_attr->mod_hdr_actions + 1908218d05ceSTonghao Zhang parse_attr->num_mod_hdr_actions * action_size; 1909218d05ceSTonghao Zhang 1910218d05ceSTonghao Zhang max_actions = parse_attr->max_mod_hdr_actions; 1911218d05ceSTonghao Zhang nactions = parse_attr->num_mod_hdr_actions; 1912d79b6df6SOr Gerlitz 1913d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1914d79b6df6SOr Gerlitz f = &fields[i]; 1915d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1916e3ca4e05SOr Gerlitz s_mask = 0; 1917e3ca4e05SOr Gerlitz a_mask = 0; 1918d79b6df6SOr Gerlitz 1919d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1920d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1921d79b6df6SOr Gerlitz 1922d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1923d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1924d79b6df6SOr Gerlitz 1925d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1926d79b6df6SOr Gerlitz continue; 1927d79b6df6SOr Gerlitz 1928d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1929e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1930e98bedf5SEli Britstein "can't set and add to the same HW field"); 1931d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1932d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1933d79b6df6SOr Gerlitz } 1934d79b6df6SOr Gerlitz 1935d79b6df6SOr Gerlitz if (nactions == max_actions) { 1936e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1937e98bedf5SEli Britstein "too many pedit actions, can't offload"); 1938d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1939d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1940d79b6df6SOr Gerlitz } 1941d79b6df6SOr Gerlitz 1942d79b6df6SOr Gerlitz if (s_mask) { 1943d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1944d79b6df6SOr Gerlitz mask = s_mask; 1945d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1946d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1947d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1948d79b6df6SOr Gerlitz } else { 1949d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1950d79b6df6SOr Gerlitz mask = a_mask; 1951d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1952d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1953d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1954d79b6df6SOr Gerlitz } 1955d79b6df6SOr Gerlitz 1956d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1957e3ca4e05SOr Gerlitz 19582b64bebaSOr Gerlitz if (field_bsize == 32) { 19592b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 19602b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 19612b64bebaSOr Gerlitz } else if (field_bsize == 16) { 19622b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 19632b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 19642b64bebaSOr Gerlitz } 19652b64bebaSOr Gerlitz 1966d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 19672b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1968d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 19692b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 1970e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1971e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 19722b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 1973d79b6df6SOr Gerlitz mask); 1974d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1975d79b6df6SOr Gerlitz } 1976d79b6df6SOr Gerlitz 1977d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 1978d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 1979d79b6df6SOr Gerlitz 1980d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 19812b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 1982d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 19832b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 1984d79b6df6SOr Gerlitz } 1985d79b6df6SOr Gerlitz 1986d79b6df6SOr Gerlitz if (field_bsize == 32) 19872b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 1988d79b6df6SOr Gerlitz else if (field_bsize == 16) 19892b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 1990d79b6df6SOr Gerlitz else if (field_bsize == 8) 19912b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 1992d79b6df6SOr Gerlitz 1993d79b6df6SOr Gerlitz action += action_size; 1994d79b6df6SOr Gerlitz nactions++; 1995d79b6df6SOr Gerlitz } 1996d79b6df6SOr Gerlitz 1997d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 1998d79b6df6SOr Gerlitz return 0; 1999d79b6df6SOr Gerlitz } 2000d79b6df6SOr Gerlitz 2001d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 2002c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2003c500c86bSPablo Neira Ayuso int namespace, 2004d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 2005d79b6df6SOr Gerlitz { 2006d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 2007d79b6df6SOr Gerlitz 2008c500c86bSPablo Neira Ayuso nkeys = hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits + 2009c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits; 2010d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2011d79b6df6SOr Gerlitz 2012d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 2013d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 2014d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 2015d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 2016d79b6df6SOr Gerlitz 2017d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 2018d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 2019d79b6df6SOr Gerlitz 2020d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 2021d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 2022d79b6df6SOr Gerlitz return -ENOMEM; 2023d79b6df6SOr Gerlitz 2024218d05ceSTonghao Zhang parse_attr->max_mod_hdr_actions = max_actions; 2025d79b6df6SOr Gerlitz return 0; 2026d79b6df6SOr Gerlitz } 2027d79b6df6SOr Gerlitz 2028d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2029d79b6df6SOr Gerlitz 2030d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 203173867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2032e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 2033c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2034e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2035d79b6df6SOr Gerlitz { 203673867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 203773867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2038d79b6df6SOr Gerlitz u32 mask, val, offset; 203973867881SPablo Neira Ayuso u8 htype; 2040d79b6df6SOr Gerlitz 204173867881SPablo Neira Ayuso htype = act->mangle.htype; 2042d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2043d79b6df6SOr Gerlitz 204473867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 204573867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2046d79b6df6SOr Gerlitz goto out_err; 2047d79b6df6SOr Gerlitz } 2048d79b6df6SOr Gerlitz 204973867881SPablo Neira Ayuso mask = act->mangle.mask; 205073867881SPablo Neira Ayuso val = act->mangle.val; 205173867881SPablo Neira Ayuso offset = act->mangle.offset; 2052d79b6df6SOr Gerlitz 2053c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2054d79b6df6SOr Gerlitz if (err) 2055d79b6df6SOr Gerlitz goto out_err; 2056c500c86bSPablo Neira Ayuso 2057c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2058d79b6df6SOr Gerlitz 2059c500c86bSPablo Neira Ayuso return 0; 2060c500c86bSPablo Neira Ayuso out_err: 2061c500c86bSPablo Neira Ayuso return err; 2062c500c86bSPablo Neira Ayuso } 2063c500c86bSPablo Neira Ayuso 2064c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2065c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2066c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2067c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2068c500c86bSPablo Neira Ayuso { 2069c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2070c500c86bSPablo Neira Ayuso int err; 2071c500c86bSPablo Neira Ayuso u8 cmd; 2072c500c86bSPablo Neira Ayuso 2073218d05ceSTonghao Zhang if (!parse_attr->mod_hdr_actions) { 2074c500c86bSPablo Neira Ayuso err = alloc_mod_hdr_actions(priv, hdrs, namespace, parse_attr); 2075d79b6df6SOr Gerlitz if (err) 2076d79b6df6SOr Gerlitz goto out_err; 2077218d05ceSTonghao Zhang } 2078d79b6df6SOr Gerlitz 2079c500c86bSPablo Neira Ayuso err = offload_pedit_fields(hdrs, parse_attr, extack); 2080d79b6df6SOr Gerlitz if (err < 0) 2081d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2082d79b6df6SOr Gerlitz 2083d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2084c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2085d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2086e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2087e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2088b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2089d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2090d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2091d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2092d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2093d79b6df6SOr Gerlitz } 2094d79b6df6SOr Gerlitz } 2095d79b6df6SOr Gerlitz 2096d79b6df6SOr Gerlitz return 0; 2097d79b6df6SOr Gerlitz 2098d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 2099d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 2100d79b6df6SOr Gerlitz out_err: 2101d79b6df6SOr Gerlitz return err; 2102d79b6df6SOr Gerlitz } 2103d79b6df6SOr Gerlitz 2104e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2105e98bedf5SEli Britstein u32 action, 2106e98bedf5SEli Britstein u32 update_flags, 2107e98bedf5SEli Britstein struct netlink_ext_ack *extack) 210826c02749SOr Gerlitz { 210926c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 211026c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 211126c02749SOr Gerlitz 211226c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 211326c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2114e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2115e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 211626c02749SOr Gerlitz netdev_warn(priv->netdev, 211726c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 211826c02749SOr Gerlitz return false; 211926c02749SOr Gerlitz } 212026c02749SOr Gerlitz 212126c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2122e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2123e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 212426c02749SOr Gerlitz netdev_warn(priv->netdev, 212526c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 212626c02749SOr Gerlitz update_flags); 212726c02749SOr Gerlitz return false; 212826c02749SOr Gerlitz } 212926c02749SOr Gerlitz 213026c02749SOr Gerlitz return true; 213126c02749SOr Gerlitz } 213226c02749SOr Gerlitz 2133bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 213473867881SPablo Neira Ayuso struct flow_action *flow_action, 21351651925dSGuy Shattah u32 actions, 2136e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2137bdd66ac0SOr Gerlitz { 213873867881SPablo Neira Ayuso const struct flow_action_entry *act; 2139bdd66ac0SOr Gerlitz bool modify_ip_header; 2140bdd66ac0SOr Gerlitz u8 htype, ip_proto; 2141bdd66ac0SOr Gerlitz void *headers_v; 2142bdd66ac0SOr Gerlitz u16 ethertype; 214373867881SPablo Neira Ayuso int i; 2144bdd66ac0SOr Gerlitz 21451651925dSGuy Shattah if (actions & MLX5_FLOW_CONTEXT_ACTION_DECAP) 21461651925dSGuy Shattah headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 21471651925dSGuy Shattah else 2148bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 21491651925dSGuy Shattah 2150bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2151bdd66ac0SOr Gerlitz 2152bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 2153bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 2154bdd66ac0SOr Gerlitz goto out_ok; 2155bdd66ac0SOr Gerlitz 2156bdd66ac0SOr Gerlitz modify_ip_header = false; 215773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 215873867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 215973867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 2160bdd66ac0SOr Gerlitz continue; 2161bdd66ac0SOr Gerlitz 216273867881SPablo Neira Ayuso htype = act->mangle.htype; 216373867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4 || 216473867881SPablo Neira Ayuso htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 2165bdd66ac0SOr Gerlitz modify_ip_header = true; 2166bdd66ac0SOr Gerlitz break; 2167bdd66ac0SOr Gerlitz } 2168bdd66ac0SOr Gerlitz } 2169bdd66ac0SOr Gerlitz 2170bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 21711ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 21721ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 2173e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2174e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 2175bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 2176bdd66ac0SOr Gerlitz return false; 2177bdd66ac0SOr Gerlitz } 2178bdd66ac0SOr Gerlitz 2179bdd66ac0SOr Gerlitz out_ok: 2180bdd66ac0SOr Gerlitz return true; 2181bdd66ac0SOr Gerlitz } 2182bdd66ac0SOr Gerlitz 2183bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 218473867881SPablo Neira Ayuso struct flow_action *flow_action, 2185bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2186e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2187e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2188bdd66ac0SOr Gerlitz { 2189bdd66ac0SOr Gerlitz u32 actions; 2190bdd66ac0SOr Gerlitz 2191bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 2192bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 2193bdd66ac0SOr Gerlitz else 2194bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 2195bdd66ac0SOr Gerlitz 21967e29392eSRoi Dayan if (flow->flags & MLX5E_TC_FLOW_EGRESS && 21977e29392eSRoi Dayan !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) 21987e29392eSRoi Dayan return false; 21997e29392eSRoi Dayan 2200bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 220173867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 2202a655fe9fSDavid S. Miller flow_action, actions, 2203e98bedf5SEli Britstein extack); 2204bdd66ac0SOr Gerlitz 2205bdd66ac0SOr Gerlitz return true; 2206bdd66ac0SOr Gerlitz } 2207bdd66ac0SOr Gerlitz 22085c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 22095c65c564SOr Gerlitz { 22105c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 2211816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 22125c65c564SOr Gerlitz 22135c65c564SOr Gerlitz fmdev = priv->mdev; 22145c65c564SOr Gerlitz pmdev = peer_priv->mdev; 22155c65c564SOr Gerlitz 221659c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 221759c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 22185c65c564SOr Gerlitz 2219816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 22205c65c564SOr Gerlitz } 22215c65c564SOr Gerlitz 222273867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 222373867881SPablo Neira Ayuso struct flow_action *flow_action, 2224aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2225e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2226e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2227e3a2b7edSAmir Vadai { 2228aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 222973867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 223073867881SPablo Neira Ayuso const struct flow_action_entry *act; 22311cab1cd7SOr Gerlitz u32 action = 0; 2232244cd96aSCong Wang int err, i; 2233e3a2b7edSAmir Vadai 223473867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 2235e3a2b7edSAmir Vadai return -EINVAL; 2236e3a2b7edSAmir Vadai 22373bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 2238e3a2b7edSAmir Vadai 223973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 224073867881SPablo Neira Ayuso switch (act->id) { 224173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 22421cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 2243aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 2244aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 22451cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 224673867881SPablo Neira Ayuso break; 224773867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 224873867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 224973867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 2250c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 22512f4fe4caSOr Gerlitz if (err) 22522f4fe4caSOr Gerlitz return err; 22532f4fe4caSOr Gerlitz 22541cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 22552f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 225673867881SPablo Neira Ayuso break; 225773867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 22581cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 225973867881SPablo Neira Ayuso act->csum_flags, 2260e98bedf5SEli Britstein extack)) 226173867881SPablo Neira Ayuso break; 226226c02749SOr Gerlitz 226326c02749SOr Gerlitz return -EOPNOTSUPP; 226473867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 226573867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 22665c65c564SOr Gerlitz 22675c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 22685c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 226998b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 22705c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 22711cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 22725c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 22735c65c564SOr Gerlitz } else { 2274e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2275e98bedf5SEli Britstein "device is not on same HW, can't offload"); 22765c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 22775c65c564SOr Gerlitz peer_dev->name); 22785c65c564SOr Gerlitz return -EINVAL; 22795c65c564SOr Gerlitz } 22805c65c564SOr Gerlitz } 228173867881SPablo Neira Ayuso break; 228273867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 228373867881SPablo Neira Ayuso u32 mark = act->mark; 2284e3a2b7edSAmir Vadai 2285e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2286e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2287e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 2288e3a2b7edSAmir Vadai return -EINVAL; 2289e3a2b7edSAmir Vadai } 2290e3a2b7edSAmir Vadai 22913bc4b7bfSOr Gerlitz attr->flow_tag = mark; 22921cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2293e3a2b7edSAmir Vadai } 229473867881SPablo Neira Ayuso break; 229573867881SPablo Neira Ayuso default: 2296e3a2b7edSAmir Vadai return -EINVAL; 2297e3a2b7edSAmir Vadai } 229873867881SPablo Neira Ayuso } 2299e3a2b7edSAmir Vadai 2300c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2301c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2302c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 2303c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2304c500c86bSPablo Neira Ayuso if (err) 2305c500c86bSPablo Neira Ayuso return err; 2306c500c86bSPablo Neira Ayuso } 2307c500c86bSPablo Neira Ayuso 23081cab1cd7SOr Gerlitz attr->action = action; 230973867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2310bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2311bdd66ac0SOr Gerlitz 2312e3a2b7edSAmir Vadai return 0; 2313e3a2b7edSAmir Vadai } 2314e3a2b7edSAmir Vadai 231576f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 231676f7444dSOr Gerlitz struct ip_tunnel_key *b) 2317a54e20b4SHadar Hen Zion { 2318a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2319a54e20b4SHadar Hen Zion } 2320a54e20b4SHadar Hen Zion 232176f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2322a54e20b4SHadar Hen Zion { 232376f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2324a54e20b4SHadar Hen Zion } 2325a54e20b4SHadar Hen Zion 2326a54e20b4SHadar Hen Zion 2327b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2328b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2329b1d90e6bSRabie Loulou { 2330b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2331b1d90e6bSRabie Loulou 2332b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2333b1d90e6bSRabie Loulou 2334b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 2335b1d90e6bSRabie Loulou (priv->netdev->netdev_ops == peer_netdev->netdev_ops) && 2336b1d90e6bSRabie Loulou same_hw_devs(priv, peer_priv) && 2337b1d90e6bSRabie Loulou MLX5_VPORT_MANAGER(peer_priv->mdev) && 2338b1d90e6bSRabie Loulou (peer_priv->mdev->priv.eswitch->mode == SRIOV_OFFLOADS)); 2339b1d90e6bSRabie Loulou } 2340b1d90e6bSRabie Loulou 2341ce99f6b9SOr Gerlitz 234254c177caSOz Shlomo 2343a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2344e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2345733d4f36SRoi Dayan struct net_device *mirred_dev, 2346733d4f36SRoi Dayan int out_index, 23478c4dc42bSEli Britstein struct netlink_ext_ack *extack, 23480ad060eeSRoi Dayan struct net_device **encap_dev, 23490ad060eeSRoi Dayan bool *encap_valid) 235003a9d11eSOr Gerlitz { 2351a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 235245247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2353733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2354733d4f36SRoi Dayan struct ip_tunnel_info *tun_info; 2355733d4f36SRoi Dayan struct ip_tunnel_key *key; 2356c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 2357733d4f36SRoi Dayan unsigned short family; 2358a54e20b4SHadar Hen Zion uintptr_t hash_key; 2359a54e20b4SHadar Hen Zion bool found = false; 236054c177caSOz Shlomo int err = 0; 2361a54e20b4SHadar Hen Zion 2362733d4f36SRoi Dayan parse_attr = attr->parse_attr; 2363733d4f36SRoi Dayan tun_info = &parse_attr->tun_info[out_index]; 2364733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 2365733d4f36SRoi Dayan key = &tun_info->key; 2366733d4f36SRoi Dayan 236776f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2368a54e20b4SHadar Hen Zion 2369a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2370a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 237176f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2372a54e20b4SHadar Hen Zion found = true; 2373a54e20b4SHadar Hen Zion break; 2374a54e20b4SHadar Hen Zion } 2375a54e20b4SHadar Hen Zion } 2376a54e20b4SHadar Hen Zion 2377b2812089SVlad Buslov /* must verify if encap is valid or not */ 237845247bf2SOr Gerlitz if (found) 237945247bf2SOr Gerlitz goto attach_flow; 2380a54e20b4SHadar Hen Zion 2381a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2382a54e20b4SHadar Hen Zion if (!e) 2383a54e20b4SHadar Hen Zion return -ENOMEM; 2384a54e20b4SHadar Hen Zion 238576f7444dSOr Gerlitz e->tun_info = *tun_info; 2386101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 238754c177caSOz Shlomo if (err) 238854c177caSOz Shlomo goto out_err; 238954c177caSOz Shlomo 2390a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2391a54e20b4SHadar Hen Zion 2392ce99f6b9SOr Gerlitz if (family == AF_INET) 2393101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 2394ce99f6b9SOr Gerlitz else if (family == AF_INET6) 2395101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 2396ce99f6b9SOr Gerlitz 23970ad060eeSRoi Dayan if (err) 2398a54e20b4SHadar Hen Zion goto out_err; 2399a54e20b4SHadar Hen Zion 2400a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2401a54e20b4SHadar Hen Zion 240245247bf2SOr Gerlitz attach_flow: 24038c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 24048c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 240545247bf2SOr Gerlitz *encap_dev = e->out_dev; 24068c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 24078c4dc42bSEli Britstein attr->dests[out_index].encap_id = e->encap_id; 24088c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 24090ad060eeSRoi Dayan *encap_valid = true; 24108c4dc42bSEli Britstein } else { 24110ad060eeSRoi Dayan *encap_valid = false; 24128c4dc42bSEli Britstein } 241345247bf2SOr Gerlitz 2414232c0013SHadar Hen Zion return err; 2415a54e20b4SHadar Hen Zion 2416a54e20b4SHadar Hen Zion out_err: 2417a54e20b4SHadar Hen Zion kfree(e); 2418a54e20b4SHadar Hen Zion return err; 2419a54e20b4SHadar Hen Zion } 2420a54e20b4SHadar Hen Zion 24211482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 242273867881SPablo Neira Ayuso const struct flow_action_entry *act, 24231482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 24241482bd3dSJianbo Liu u32 *action) 24251482bd3dSJianbo Liu { 2426cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 2427cc495188SJianbo Liu 2428cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 24291482bd3dSJianbo Liu return -EOPNOTSUPP; 2430cc495188SJianbo Liu 243173867881SPablo Neira Ayuso switch (act->id) { 243273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 2433cc495188SJianbo Liu if (vlan_idx) { 2434cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2435cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2436cc495188SJianbo Liu return -EOPNOTSUPP; 2437cc495188SJianbo Liu 2438cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 2439cc495188SJianbo Liu } else { 2440cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 2441cc495188SJianbo Liu } 244273867881SPablo Neira Ayuso break; 244373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 244473867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 244573867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 244673867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 2447cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 2448cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 2449cc495188SJianbo Liu 2450cc495188SJianbo Liu if (vlan_idx) { 2451cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 2452cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 2453cc495188SJianbo Liu return -EOPNOTSUPP; 2454cc495188SJianbo Liu 2455cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 2456cc495188SJianbo Liu } else { 2457cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 245873867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 245973867881SPablo Neira Ayuso act->vlan.prio)) 2460cc495188SJianbo Liu return -EOPNOTSUPP; 2461cc495188SJianbo Liu 2462cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 24631482bd3dSJianbo Liu } 246473867881SPablo Neira Ayuso break; 246573867881SPablo Neira Ayuso default: 246673867881SPablo Neira Ayuso /* action is FLOW_ACT_VLAN_MANGLE */ 24671482bd3dSJianbo Liu return -EOPNOTSUPP; 24681482bd3dSJianbo Liu } 24691482bd3dSJianbo Liu 2470cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 2471cc495188SJianbo Liu 24721482bd3dSJianbo Liu return 0; 24731482bd3dSJianbo Liu } 24741482bd3dSJianbo Liu 247573867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 247673867881SPablo Neira Ayuso struct flow_action *flow_action, 2477d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2478e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 2479e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2480a54e20b4SHadar Hen Zion { 248173867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 2482bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2483ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 24841d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 248573867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 248673867881SPablo Neira Ayuso const struct flow_action_entry *act; 2487a54e20b4SHadar Hen Zion bool encap = false; 24881cab1cd7SOr Gerlitz u32 action = 0; 2489244cd96aSCong Wang int err, i; 249003a9d11eSOr Gerlitz 249173867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 249203a9d11eSOr Gerlitz return -EINVAL; 249303a9d11eSOr Gerlitz 24941d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 249510ff5359SShahar Klein attr->in_mdev = priv->mdev; 249603a9d11eSOr Gerlitz 249773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 249873867881SPablo Neira Ayuso switch (act->id) { 249973867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 25001cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 250103a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 250273867881SPablo Neira Ayuso break; 250373867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 250473867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 250573867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 2506c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2507d7e75a32SOr Gerlitz if (err) 2508d7e75a32SOr Gerlitz return err; 2509d7e75a32SOr Gerlitz 25101cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2511e85e02baSEli Britstein attr->split_count = attr->out_count; 251273867881SPablo Neira Ayuso break; 251373867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 25141cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 251573867881SPablo Neira Ayuso act->csum_flags, extack)) 251673867881SPablo Neira Ayuso break; 251726c02749SOr Gerlitz 251826c02749SOr Gerlitz return -EOPNOTSUPP; 251973867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 252073867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 252103a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 2522592d3651SChris Mi struct net_device *out_dev; 252303a9d11eSOr Gerlitz 252473867881SPablo Neira Ayuso out_dev = act->dev; 2525ef381359SOz Shlomo if (!out_dev) { 2526ef381359SOz Shlomo /* out_dev is NULL when filters with 2527ef381359SOz Shlomo * non-existing mirred device are replayed to 2528ef381359SOz Shlomo * the driver. 2529ef381359SOz Shlomo */ 2530ef381359SOz Shlomo return -EINVAL; 2531ef381359SOz Shlomo } 253203a9d11eSOr Gerlitz 2533592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 2534e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2535e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 2536592d3651SChris Mi pr_err("can't support more than %d output ports, can't offload forwarding\n", 2537592d3651SChris Mi attr->out_count); 2538592d3651SChris Mi return -EOPNOTSUPP; 2539592d3651SChris Mi } 2540592d3651SChris Mi 2541f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2542f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 25436dcfa234SFlorian Fainelli if (netdev_port_same_parent_id(priv->netdev, 2544b1d90e6bSRabie Loulou out_dev) || 2545b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 25467ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 25477ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 25487ba58ba7SRabie Loulou struct net_device *uplink_upper = netdev_master_upper_dev_get(uplink_dev); 25497ba58ba7SRabie Loulou 25507ba58ba7SRabie Loulou if (uplink_upper && 25517ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 25527ba58ba7SRabie Loulou uplink_upper == out_dev) 25537ba58ba7SRabie Loulou out_dev = uplink_dev; 25547ba58ba7SRabie Loulou 2555a0646c88SEli Britstein if (!mlx5e_eswitch_rep(out_dev)) 2556a0646c88SEli Britstein return -EOPNOTSUPP; 2557a0646c88SEli Britstein 255803a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 25591d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 2560df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 2561df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 2562df65a573SEli Britstein attr->out_count++; 2563a54e20b4SHadar Hen Zion } else if (encap) { 25648c4dc42bSEli Britstein parse_attr->mirred_ifindex[attr->out_count] = 25658c4dc42bSEli Britstein out_dev->ifindex; 25668c4dc42bSEli Britstein parse_attr->tun_info[attr->out_count] = *info; 25678c4dc42bSEli Britstein encap = false; 25683c37745eSOr Gerlitz attr->parse_attr = parse_attr; 2569f493f155SEli Britstein attr->dests[attr->out_count].flags |= 2570f493f155SEli Britstein MLX5_ESW_DEST_ENCAP; 25711cc26d74SEli Britstein attr->out_count++; 2572df65a573SEli Britstein /* attr->dests[].rep is resolved when we 2573df65a573SEli Britstein * handle encap 2574df65a573SEli Britstein */ 2575ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 2576ef381359SOz Shlomo /* All mlx5 devices are called to configure 2577ef381359SOz Shlomo * high level device filters. Therefore, the 2578ef381359SOz Shlomo * *attempt* to install a filter on invalid 2579ef381359SOz Shlomo * eswitch should not trigger an explicit error 2580ef381359SOz Shlomo */ 2581ef381359SOz Shlomo return -EINVAL; 2582a54e20b4SHadar Hen Zion } else { 2583e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2584e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 2585a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2586a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2587a54e20b4SHadar Hen Zion return -EINVAL; 2588a54e20b4SHadar Hen Zion } 2589a54e20b4SHadar Hen Zion } 259073867881SPablo Neira Ayuso break; 259173867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 259273867881SPablo Neira Ayuso info = act->tunnel; 2593a54e20b4SHadar Hen Zion if (info) 2594a54e20b4SHadar Hen Zion encap = true; 2595a54e20b4SHadar Hen Zion else 2596a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 259703a9d11eSOr Gerlitz 259873867881SPablo Neira Ayuso break; 259973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 260073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 260173867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 26021482bd3dSJianbo Liu if (err) 26031482bd3dSJianbo Liu return err; 26041482bd3dSJianbo Liu 2605e85e02baSEli Britstein attr->split_count = attr->out_count; 260673867881SPablo Neira Ayuso break; 260773867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 26081cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 260973867881SPablo Neira Ayuso break; 261073867881SPablo Neira Ayuso case FLOW_ACTION_GOTO: { 261173867881SPablo Neira Ayuso u32 dest_chain = act->chain_index; 2612bf07aa73SPaul Blakey u32 max_chain = mlx5_eswitch_get_chain_range(esw); 2613bf07aa73SPaul Blakey 2614bf07aa73SPaul Blakey if (dest_chain <= attr->chain) { 2615bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Goto earlier chain isn't supported"); 2616bf07aa73SPaul Blakey return -EOPNOTSUPP; 2617bf07aa73SPaul Blakey } 2618bf07aa73SPaul Blakey if (dest_chain > max_chain) { 2619bf07aa73SPaul Blakey NL_SET_ERR_MSG(extack, "Requested destination chain is out of supported range"); 2620bf07aa73SPaul Blakey return -EOPNOTSUPP; 2621bf07aa73SPaul Blakey } 2622e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 2623bf07aa73SPaul Blakey attr->dest_chain = dest_chain; 262473867881SPablo Neira Ayuso break; 2625bf07aa73SPaul Blakey } 262673867881SPablo Neira Ayuso default: 262703a9d11eSOr Gerlitz return -EINVAL; 262803a9d11eSOr Gerlitz } 262973867881SPablo Neira Ayuso } 2630bdd66ac0SOr Gerlitz 2631c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 2632c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 2633c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 2634c500c86bSPablo Neira Ayuso parse_attr, hdrs, extack); 2635c500c86bSPablo Neira Ayuso if (err) 2636c500c86bSPablo Neira Ayuso return err; 2637c500c86bSPablo Neira Ayuso } 2638c500c86bSPablo Neira Ayuso 26391cab1cd7SOr Gerlitz attr->action = action; 264073867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 2641bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2642bdd66ac0SOr Gerlitz 2643e88afe75SOr Gerlitz if (attr->dest_chain) { 2644e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 2645e88afe75SOr Gerlitz NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 2646e88afe75SOr Gerlitz return -EOPNOTSUPP; 2647e88afe75SOr Gerlitz } 2648e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2649e88afe75SOr Gerlitz } 2650e88afe75SOr Gerlitz 2651e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 2652e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2653e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 2654592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 2655592d3651SChris Mi return -EOPNOTSUPP; 2656592d3651SChris Mi } 2657592d3651SChris Mi 265831c8eba5SOr Gerlitz return 0; 265903a9d11eSOr Gerlitz } 266003a9d11eSOr Gerlitz 26615dbe906fSPaul Blakey static void get_flags(int flags, u16 *flow_flags) 266260bd4af8SOr Gerlitz { 26635dbe906fSPaul Blakey u16 __flow_flags = 0; 266460bd4af8SOr Gerlitz 266560bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 266660bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 266760bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 266860bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 266960bd4af8SOr Gerlitz 2670d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) 2671d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2672d9ee0491SOr Gerlitz if (flags & MLX5E_TC_NIC_OFFLOAD) 2673d9ee0491SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_NIC; 2674d9ee0491SOr Gerlitz 267560bd4af8SOr Gerlitz *flow_flags = __flow_flags; 267660bd4af8SOr Gerlitz } 267760bd4af8SOr Gerlitz 267805866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 267905866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 268005866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 268105866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 268205866c82SOr Gerlitz .automatic_shrinking = true, 268305866c82SOr Gerlitz }; 268405866c82SOr Gerlitz 2685d9ee0491SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, int flags) 268605866c82SOr Gerlitz { 2687655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2688655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 2689655dc3d2SOr Gerlitz 2690d9ee0491SOr Gerlitz if (flags & MLX5E_TC_ESW_OFFLOAD) { 2691655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2692ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 2693d9ee0491SOr Gerlitz } else /* NIC offload */ 269405866c82SOr Gerlitz return &priv->fs.tc.ht; 269505866c82SOr Gerlitz } 269605866c82SOr Gerlitz 269704de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 269804de7ddaSRoi Dayan { 26991418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2700b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 27011418ddd9SAviv Heller flow->flags & MLX5E_TC_FLOW_INGRESS; 27021418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 27031418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 27041418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 27051418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 27061418ddd9SAviv Heller 27077c34ec19SAviv Heller return esw_paired && mlx5_lag_is_sriov(attr->in_mdev) && 27081418ddd9SAviv Heller (is_rep_ingress || act_is_encap); 270904de7ddaSRoi Dayan } 271004de7ddaSRoi Dayan 2711a88780a9SRoi Dayan static int 2712a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 27135dbe906fSPaul Blakey struct tc_cls_flower_offload *f, u16 flow_flags, 2714a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 2715a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2716e3a2b7edSAmir Vadai { 271717091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 27183bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 2719a88780a9SRoi Dayan int err; 2720776b12b6SOr Gerlitz 272165ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 27221b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 272317091853SOr Gerlitz if (!parse_attr || !flow) { 2724e3a2b7edSAmir Vadai err = -ENOMEM; 2725e3a2b7edSAmir Vadai goto err_free; 2726e3a2b7edSAmir Vadai } 2727e3a2b7edSAmir Vadai 2728e3a2b7edSAmir Vadai flow->cookie = f->cookie; 272965ba8fb7SOr Gerlitz flow->flags = flow_flags; 2730655dc3d2SOr Gerlitz flow->priv = priv; 2731e3a2b7edSAmir Vadai 2732a88780a9SRoi Dayan *__flow = flow; 2733a88780a9SRoi Dayan *__parse_attr = parse_attr; 2734a88780a9SRoi Dayan 2735a88780a9SRoi Dayan return 0; 2736a88780a9SRoi Dayan 2737a88780a9SRoi Dayan err_free: 2738a88780a9SRoi Dayan kfree(flow); 2739a88780a9SRoi Dayan kvfree(parse_attr); 2740a88780a9SRoi Dayan return err; 2741adb4c123SOr Gerlitz } 2742adb4c123SOr Gerlitz 2743988ab9c7STonghao Zhang static void 2744988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 2745988ab9c7STonghao Zhang struct mlx5e_priv *priv, 2746988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 2747988ab9c7STonghao Zhang struct tc_cls_flower_offload *f, 2748988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 2749988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 2750988ab9c7STonghao Zhang { 2751988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2752988ab9c7STonghao Zhang 2753988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 2754988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 2755988ab9c7STonghao Zhang esw_attr->prio = TC_H_MAJ(f->common.prio) >> 16; 2756988ab9c7STonghao Zhang 2757988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 2758988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 2759988ab9c7STonghao Zhang 2760988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 2761988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 2762988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 2763988ab9c7STonghao Zhang else 2764988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 2765988ab9c7STonghao Zhang } 2766988ab9c7STonghao Zhang 276771129676SJason Gunthorpe static struct mlx5e_tc_flow * 276804de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 2769a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 27705dbe906fSPaul Blakey u16 flow_flags, 2771d11afc26SOz Shlomo struct net_device *filter_dev, 277204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 277371129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 2774a88780a9SRoi Dayan { 277573867881SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 2776a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2777a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2778a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2779a88780a9SRoi Dayan int attr_size, err; 2780a88780a9SRoi Dayan 2781a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_ESWITCH; 2782a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 2783a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2784a88780a9SRoi Dayan &parse_attr, &flow); 2785a88780a9SRoi Dayan if (err) 2786a88780a9SRoi Dayan goto out; 2787988ab9c7STonghao Zhang 2788d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 2789988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 2790988ab9c7STonghao Zhang priv, parse_attr, 2791988ab9c7STonghao Zhang f, in_rep, in_mdev); 2792988ab9c7STonghao Zhang 279354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 279454c177caSOz Shlomo f, filter_dev); 2795d11afc26SOz Shlomo if (err) 2796d11afc26SOz Shlomo goto err_free; 2797a88780a9SRoi Dayan 279873867881SPablo Neira Ayuso err = parse_tc_fdb_actions(priv, &rule->action, parse_attr, flow, extack); 2799a88780a9SRoi Dayan if (err) 2800a88780a9SRoi Dayan goto err_free; 2801a88780a9SRoi Dayan 28027040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 28035dbe906fSPaul Blakey if (err) 2804aa0cbbaeSOr Gerlitz goto err_free; 28055c40348cSOr Gerlitz 280671129676SJason Gunthorpe return flow; 2807e3a2b7edSAmir Vadai 2808e3a2b7edSAmir Vadai err_free: 2809232c0013SHadar Hen Zion kfree(flow); 2810a88780a9SRoi Dayan kvfree(parse_attr); 2811a88780a9SRoi Dayan out: 281271129676SJason Gunthorpe return ERR_PTR(err); 2813a88780a9SRoi Dayan } 2814a88780a9SRoi Dayan 281504de7ddaSRoi Dayan static int mlx5e_tc_add_fdb_peer_flow(struct tc_cls_flower_offload *f, 281604de7ddaSRoi Dayan struct mlx5e_tc_flow *flow) 281704de7ddaSRoi Dayan { 281804de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 281904de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 282004de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 282104de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 282204de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 282304de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 282404de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 282504de7ddaSRoi Dayan int err = 0; 282604de7ddaSRoi Dayan 282704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 282804de7ddaSRoi Dayan if (!peer_esw) 282904de7ddaSRoi Dayan return -ENODEV; 283004de7ddaSRoi Dayan 283104de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 283204de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 283304de7ddaSRoi Dayan 283404de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 283504de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 283604de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 283704de7ddaSRoi Dayan * peer mdev. 283804de7ddaSRoi Dayan */ 2839b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 284004de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 284104de7ddaSRoi Dayan else 284204de7ddaSRoi Dayan in_mdev = priv->mdev; 284304de7ddaSRoi Dayan 284404de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 284571129676SJason Gunthorpe peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow->flags, 284604de7ddaSRoi Dayan parse_attr->filter_dev, 284771129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 284871129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 284971129676SJason Gunthorpe err = PTR_ERR(peer_flow); 285004de7ddaSRoi Dayan goto out; 285171129676SJason Gunthorpe } 285204de7ddaSRoi Dayan 285304de7ddaSRoi Dayan flow->peer_flow = peer_flow; 285404de7ddaSRoi Dayan flow->flags |= MLX5E_TC_FLOW_DUP; 285504de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 285604de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 285704de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 285804de7ddaSRoi Dayan 285904de7ddaSRoi Dayan out: 286004de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 286104de7ddaSRoi Dayan return err; 286204de7ddaSRoi Dayan } 286304de7ddaSRoi Dayan 286404de7ddaSRoi Dayan static int 286504de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 286604de7ddaSRoi Dayan struct tc_cls_flower_offload *f, 286704de7ddaSRoi Dayan u16 flow_flags, 286804de7ddaSRoi Dayan struct net_device *filter_dev, 286904de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 287004de7ddaSRoi Dayan { 287104de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 287204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 287304de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 287404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 287504de7ddaSRoi Dayan int err; 287604de7ddaSRoi Dayan 287771129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 287871129676SJason Gunthorpe in_mdev); 287971129676SJason Gunthorpe if (IS_ERR(flow)) 288071129676SJason Gunthorpe return PTR_ERR(flow); 288104de7ddaSRoi Dayan 288204de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 288304de7ddaSRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow); 288404de7ddaSRoi Dayan if (err) { 288504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 288604de7ddaSRoi Dayan goto out; 288704de7ddaSRoi Dayan } 288804de7ddaSRoi Dayan } 288904de7ddaSRoi Dayan 289004de7ddaSRoi Dayan *__flow = flow; 289104de7ddaSRoi Dayan 289204de7ddaSRoi Dayan return 0; 289304de7ddaSRoi Dayan 289404de7ddaSRoi Dayan out: 289504de7ddaSRoi Dayan return err; 289604de7ddaSRoi Dayan } 289704de7ddaSRoi Dayan 2898a88780a9SRoi Dayan static int 2899a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 2900a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 29015dbe906fSPaul Blakey u16 flow_flags, 2902d11afc26SOz Shlomo struct net_device *filter_dev, 2903a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 2904a88780a9SRoi Dayan { 290573867881SPablo Neira Ayuso struct flow_rule *rule = tc_cls_flower_offload_flow_rule(f); 2906a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2907a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 2908a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2909a88780a9SRoi Dayan int attr_size, err; 2910a88780a9SRoi Dayan 2911bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 2912bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 2913bf07aa73SPaul Blakey return -EOPNOTSUPP; 2914bf07aa73SPaul Blakey 2915a88780a9SRoi Dayan flow_flags |= MLX5E_TC_FLOW_NIC; 2916a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 2917a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 2918a88780a9SRoi Dayan &parse_attr, &flow); 2919a88780a9SRoi Dayan if (err) 2920a88780a9SRoi Dayan goto out; 2921a88780a9SRoi Dayan 2922d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 292354c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 292454c177caSOz Shlomo f, filter_dev); 2925d11afc26SOz Shlomo if (err) 2926d11afc26SOz Shlomo goto err_free; 2927d11afc26SOz Shlomo 292873867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 2929a88780a9SRoi Dayan if (err) 2930a88780a9SRoi Dayan goto err_free; 2931a88780a9SRoi Dayan 2932a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 2933a88780a9SRoi Dayan if (err) 2934a88780a9SRoi Dayan goto err_free; 2935a88780a9SRoi Dayan 2936a88780a9SRoi Dayan flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 2937a88780a9SRoi Dayan kvfree(parse_attr); 2938a88780a9SRoi Dayan *__flow = flow; 2939a88780a9SRoi Dayan 2940a88780a9SRoi Dayan return 0; 2941a88780a9SRoi Dayan 2942a88780a9SRoi Dayan err_free: 2943a88780a9SRoi Dayan kfree(flow); 2944a88780a9SRoi Dayan kvfree(parse_attr); 2945a88780a9SRoi Dayan out: 2946a88780a9SRoi Dayan return err; 2947a88780a9SRoi Dayan } 2948a88780a9SRoi Dayan 2949a88780a9SRoi Dayan static int 2950a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 2951a88780a9SRoi Dayan struct tc_cls_flower_offload *f, 2952a88780a9SRoi Dayan int flags, 2953d11afc26SOz Shlomo struct net_device *filter_dev, 2954a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 2955a88780a9SRoi Dayan { 2956a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 29575dbe906fSPaul Blakey u16 flow_flags; 2958a88780a9SRoi Dayan int err; 2959a88780a9SRoi Dayan 2960a88780a9SRoi Dayan get_flags(flags, &flow_flags); 2961a88780a9SRoi Dayan 2962bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 2963bf07aa73SPaul Blakey return -EOPNOTSUPP; 2964bf07aa73SPaul Blakey 2965a88780a9SRoi Dayan if (esw && esw->mode == SRIOV_OFFLOADS) 2966d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 2967d11afc26SOz Shlomo filter_dev, flow); 2968a88780a9SRoi Dayan else 2969d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 2970d11afc26SOz Shlomo filter_dev, flow); 2971a88780a9SRoi Dayan 2972a88780a9SRoi Dayan return err; 2973a88780a9SRoi Dayan } 2974a88780a9SRoi Dayan 297571d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 2976a88780a9SRoi Dayan struct tc_cls_flower_offload *f, int flags) 2977a88780a9SRoi Dayan { 2978a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 2979d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 2980a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 2981a88780a9SRoi Dayan int err = 0; 2982a88780a9SRoi Dayan 2983a88780a9SRoi Dayan flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 2984a88780a9SRoi Dayan if (flow) { 2985a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2986a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 2987a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 2988a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 2989a88780a9SRoi Dayan f->cookie); 2990a88780a9SRoi Dayan goto out; 2991a88780a9SRoi Dayan } 2992a88780a9SRoi Dayan 2993d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 2994a88780a9SRoi Dayan if (err) 2995a88780a9SRoi Dayan goto out; 2996a88780a9SRoi Dayan 2997a88780a9SRoi Dayan err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 2998a88780a9SRoi Dayan if (err) 2999a88780a9SRoi Dayan goto err_free; 3000a88780a9SRoi Dayan 3001a88780a9SRoi Dayan return 0; 3002a88780a9SRoi Dayan 3003a88780a9SRoi Dayan err_free: 3004a88780a9SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3005a88780a9SRoi Dayan kfree(flow); 3006a88780a9SRoi Dayan out: 3007e3a2b7edSAmir Vadai return err; 3008e3a2b7edSAmir Vadai } 3009e3a2b7edSAmir Vadai 30108f8ae895SOr Gerlitz #define DIRECTION_MASK (MLX5E_TC_INGRESS | MLX5E_TC_EGRESS) 30118f8ae895SOr Gerlitz #define FLOW_DIRECTION_MASK (MLX5E_TC_FLOW_INGRESS | MLX5E_TC_FLOW_EGRESS) 30128f8ae895SOr Gerlitz 30138f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 30148f8ae895SOr Gerlitz { 30158f8ae895SOr Gerlitz if ((flow->flags & FLOW_DIRECTION_MASK) == (flags & DIRECTION_MASK)) 30168f8ae895SOr Gerlitz return true; 30178f8ae895SOr Gerlitz 30188f8ae895SOr Gerlitz return false; 30198f8ae895SOr Gerlitz } 30208f8ae895SOr Gerlitz 302171d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 302260bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3023e3a2b7edSAmir Vadai { 3024d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3025e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3026e3a2b7edSAmir Vadai 302705866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 30288f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3029e3a2b7edSAmir Vadai return -EINVAL; 3030e3a2b7edSAmir Vadai 303105866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3032e3a2b7edSAmir Vadai 3033961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3034e3a2b7edSAmir Vadai 3035e3a2b7edSAmir Vadai kfree(flow); 3036e3a2b7edSAmir Vadai 3037e3a2b7edSAmir Vadai return 0; 3038e3a2b7edSAmir Vadai } 3039e3a2b7edSAmir Vadai 304071d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 304160bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 3042aad7e08dSAmir Vadai { 304304de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3044d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 304504de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3046aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3047aad7e08dSAmir Vadai struct mlx5_fc *counter; 3048aad7e08dSAmir Vadai u64 bytes; 3049aad7e08dSAmir Vadai u64 packets; 3050aad7e08dSAmir Vadai u64 lastuse; 3051aad7e08dSAmir Vadai 305205866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 30538f8ae895SOr Gerlitz if (!flow || !same_flow_direction(flow, flags)) 3054aad7e08dSAmir Vadai return -EINVAL; 3055aad7e08dSAmir Vadai 30560b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 30570b67a38fSHadar Hen Zion return 0; 30580b67a38fSHadar Hen Zion 3059b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3060aad7e08dSAmir Vadai if (!counter) 3061aad7e08dSAmir Vadai return 0; 3062aad7e08dSAmir Vadai 3063aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3064aad7e08dSAmir Vadai 306504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 306604de7ddaSRoi Dayan if (!peer_esw) 306704de7ddaSRoi Dayan goto out; 306804de7ddaSRoi Dayan 306904de7ddaSRoi Dayan if ((flow->flags & MLX5E_TC_FLOW_DUP) && 307004de7ddaSRoi Dayan (flow->peer_flow->flags & MLX5E_TC_FLOW_OFFLOADED)) { 307104de7ddaSRoi Dayan u64 bytes2; 307204de7ddaSRoi Dayan u64 packets2; 307304de7ddaSRoi Dayan u64 lastuse2; 307404de7ddaSRoi Dayan 307504de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 307604de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 307704de7ddaSRoi Dayan 307804de7ddaSRoi Dayan bytes += bytes2; 307904de7ddaSRoi Dayan packets += packets2; 308004de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 308104de7ddaSRoi Dayan } 308204de7ddaSRoi Dayan 308304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 308404de7ddaSRoi Dayan 308504de7ddaSRoi Dayan out: 30863b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 3087fed06ee8SOr Gerlitz 3088aad7e08dSAmir Vadai return 0; 3089aad7e08dSAmir Vadai } 3090aad7e08dSAmir Vadai 30914d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 30924d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 30934d8fcf21SAlaa Hleihel { 30944d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 30954d8fcf21SAlaa Hleihel struct mlx5e_hairpin_entry *hpe; 30964d8fcf21SAlaa Hleihel u16 peer_vhca_id; 30974d8fcf21SAlaa Hleihel int bkt; 30984d8fcf21SAlaa Hleihel 30994d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 31004d8fcf21SAlaa Hleihel return; 31014d8fcf21SAlaa Hleihel 31024d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 31034d8fcf21SAlaa Hleihel 31044d8fcf21SAlaa Hleihel hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) { 31054d8fcf21SAlaa Hleihel if (hpe->peer_vhca_id == peer_vhca_id) 31064d8fcf21SAlaa Hleihel hpe->hp->pair->peer_gone = true; 31074d8fcf21SAlaa Hleihel } 31084d8fcf21SAlaa Hleihel } 31094d8fcf21SAlaa Hleihel 31104d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 31114d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 31124d8fcf21SAlaa Hleihel { 31134d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 31144d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 31154d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 31164d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 31174d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 31184d8fcf21SAlaa Hleihel 31194d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 31204d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 31214d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 31224d8fcf21SAlaa Hleihel return NOTIFY_DONE; 31234d8fcf21SAlaa Hleihel 31244d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 31254d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 31264d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 31274d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 31284d8fcf21SAlaa Hleihel if (priv == peer_priv || 31294d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 31304d8fcf21SAlaa Hleihel return NOTIFY_DONE; 31314d8fcf21SAlaa Hleihel 31324d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 31334d8fcf21SAlaa Hleihel 31344d8fcf21SAlaa Hleihel return NOTIFY_DONE; 31354d8fcf21SAlaa Hleihel } 31364d8fcf21SAlaa Hleihel 3137655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 3138e8f887acSAmir Vadai { 3139acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 31404d8fcf21SAlaa Hleihel int err; 3141e8f887acSAmir Vadai 314211c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 31435c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 314411c9c548SOr Gerlitz 31454d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 31464d8fcf21SAlaa Hleihel if (err) 31474d8fcf21SAlaa Hleihel return err; 31484d8fcf21SAlaa Hleihel 31494d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 31504d8fcf21SAlaa Hleihel if (register_netdevice_notifier(&tc->netdevice_nb)) { 31514d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 31524d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 31534d8fcf21SAlaa Hleihel } 31544d8fcf21SAlaa Hleihel 31554d8fcf21SAlaa Hleihel return err; 3156e8f887acSAmir Vadai } 3157e8f887acSAmir Vadai 3158e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 3159e8f887acSAmir Vadai { 3160e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 3161655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 3162e8f887acSAmir Vadai 3163961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 3164e8f887acSAmir Vadai kfree(flow); 3165e8f887acSAmir Vadai } 3166e8f887acSAmir Vadai 3167655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 3168e8f887acSAmir Vadai { 3169acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 3170e8f887acSAmir Vadai 31714d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 31724d8fcf21SAlaa Hleihel unregister_netdevice_notifier(&tc->netdevice_nb); 31734d8fcf21SAlaa Hleihel 3174d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 3175e8f887acSAmir Vadai 3176acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 3177acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 3178acff797cSMaor Gottlieb tc->t = NULL; 3179e8f887acSAmir Vadai } 3180e8f887acSAmir Vadai } 3181655dc3d2SOr Gerlitz 3182655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 3183655dc3d2SOr Gerlitz { 3184655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 3185655dc3d2SOr Gerlitz } 3186655dc3d2SOr Gerlitz 3187655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 3188655dc3d2SOr Gerlitz { 3189655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 3190655dc3d2SOr Gerlitz } 319101252a27SOr Gerlitz 3192d9ee0491SOr Gerlitz int mlx5e_tc_num_filters(struct mlx5e_priv *priv, int flags) 319301252a27SOr Gerlitz { 3194d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 319501252a27SOr Gerlitz 319601252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 319701252a27SOr Gerlitz } 319804de7ddaSRoi Dayan 319904de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 320004de7ddaSRoi Dayan { 320104de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 320204de7ddaSRoi Dayan 320304de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 320404de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 320504de7ddaSRoi Dayan } 3206