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/switchdev.h> 4203a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 43776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 44bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 45d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4626c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 47a54e20b4SHadar Hen Zion #include <net/vxlan.h> 48f6dfb4c3SHadar Hen Zion #include <net/arp.h> 49e8f887acSAmir Vadai #include "en.h" 501d447a39SSaeed Mahameed #include "en_rep.h" 51232c0013SHadar Hen Zion #include "en_tc.h" 5203a9d11eSOr Gerlitz #include "eswitch.h" 53bbd00f7eSHadar Hen Zion #include "vxlan.h" 543f6d08d1SOr Gerlitz #include "fs_core.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; 633bc4b7bfSOr Gerlitz }; 643bc4b7bfSOr Gerlitz 6560bd4af8SOr Gerlitz #define MLX5E_TC_FLOW_BASE (MLX5E_TC_LAST_EXPORTED_BIT + 1) 6660bd4af8SOr Gerlitz 6765ba8fb7SOr Gerlitz enum { 6860bd4af8SOr Gerlitz MLX5E_TC_FLOW_INGRESS = MLX5E_TC_INGRESS, 6960bd4af8SOr Gerlitz MLX5E_TC_FLOW_EGRESS = MLX5E_TC_EGRESS, 7060bd4af8SOr Gerlitz MLX5E_TC_FLOW_ESWITCH = BIT(MLX5E_TC_FLOW_BASE), 7160bd4af8SOr Gerlitz MLX5E_TC_FLOW_NIC = BIT(MLX5E_TC_FLOW_BASE + 1), 7260bd4af8SOr Gerlitz MLX5E_TC_FLOW_OFFLOADED = BIT(MLX5E_TC_FLOW_BASE + 2), 7360bd4af8SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN = BIT(MLX5E_TC_FLOW_BASE + 3), 7460bd4af8SOr Gerlitz MLX5E_TC_FLOW_HAIRPIN_RSS = BIT(MLX5E_TC_FLOW_BASE + 4), 7565ba8fb7SOr Gerlitz }; 7665ba8fb7SOr Gerlitz 77e8f887acSAmir Vadai struct mlx5e_tc_flow { 78e8f887acSAmir Vadai struct rhash_head node; 79655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 80e8f887acSAmir Vadai u64 cookie; 8165ba8fb7SOr Gerlitz u8 flags; 8274491de9SMark Bloch struct mlx5_flow_handle *rule; 8311c9c548SOr Gerlitz struct list_head encap; /* flows sharing the same encap ID */ 8411c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 855c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 863bc4b7bfSOr Gerlitz union { 87ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 883bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 893bc4b7bfSOr Gerlitz }; 90e8f887acSAmir Vadai }; 91e8f887acSAmir Vadai 9217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 933c37745eSOr Gerlitz struct ip_tunnel_info tun_info; 9417091853SOr Gerlitz struct mlx5_flow_spec spec; 95d79b6df6SOr Gerlitz int num_mod_hdr_actions; 96d79b6df6SOr Gerlitz void *mod_hdr_actions; 973c37745eSOr Gerlitz int mirred_ifindex; 9817091853SOr Gerlitz }; 9917091853SOr Gerlitz 100a54e20b4SHadar Hen Zion enum { 101a54e20b4SHadar Hen Zion MLX5_HEADER_TYPE_VXLAN = 0x0, 102a54e20b4SHadar Hen Zion MLX5_HEADER_TYPE_NVGRE = 0x1, 103a54e20b4SHadar Hen Zion }; 104a54e20b4SHadar Hen Zion 105acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 106b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 107e8f887acSAmir Vadai 10877ab67b7SOr Gerlitz struct mlx5e_hairpin { 10977ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 11077ab67b7SOr Gerlitz 11177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 1123f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 11377ab67b7SOr Gerlitz u32 tdn; 11477ab67b7SOr Gerlitz u32 tirn; 1153f6d08d1SOr Gerlitz 1163f6d08d1SOr Gerlitz int num_channels; 1173f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 1183f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 1193f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 12077ab67b7SOr Gerlitz }; 12177ab67b7SOr Gerlitz 1225c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 1235c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 1245c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 1255c65c564SOr Gerlitz 1265c65c564SOr Gerlitz /* flows sharing the same hairpin */ 1275c65c564SOr Gerlitz struct list_head flows; 1285c65c564SOr Gerlitz 129d8822868SOr Gerlitz u16 peer_vhca_id; 130106be53bSOr Gerlitz u8 prio; 1315c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 1325c65c564SOr Gerlitz }; 1335c65c564SOr Gerlitz 13411c9c548SOr Gerlitz struct mod_hdr_key { 13511c9c548SOr Gerlitz int num_actions; 13611c9c548SOr Gerlitz void *actions; 13711c9c548SOr Gerlitz }; 13811c9c548SOr Gerlitz 13911c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 14011c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 14111c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 14211c9c548SOr Gerlitz 14311c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 14411c9c548SOr Gerlitz struct list_head flows; 14511c9c548SOr Gerlitz 14611c9c548SOr Gerlitz struct mod_hdr_key key; 14711c9c548SOr Gerlitz 14811c9c548SOr Gerlitz u32 mod_hdr_id; 14911c9c548SOr Gerlitz }; 15011c9c548SOr Gerlitz 15111c9c548SOr Gerlitz #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 15211c9c548SOr Gerlitz 15311c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 15411c9c548SOr Gerlitz { 15511c9c548SOr Gerlitz return jhash(key->actions, 15611c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 15711c9c548SOr Gerlitz } 15811c9c548SOr Gerlitz 15911c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 16011c9c548SOr Gerlitz struct mod_hdr_key *b) 16111c9c548SOr Gerlitz { 16211c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 16311c9c548SOr Gerlitz return 1; 16411c9c548SOr Gerlitz 16511c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 16611c9c548SOr Gerlitz } 16711c9c548SOr Gerlitz 16811c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 16911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 17011c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 17111c9c548SOr Gerlitz { 17211c9c548SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 17311c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 17411c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 17511c9c548SOr Gerlitz struct mod_hdr_key key; 17611c9c548SOr Gerlitz bool found = false; 17711c9c548SOr Gerlitz u32 hash_key; 17811c9c548SOr Gerlitz 17911c9c548SOr Gerlitz num_actions = parse_attr->num_mod_hdr_actions; 18011c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 18111c9c548SOr Gerlitz 18211c9c548SOr Gerlitz key.actions = parse_attr->mod_hdr_actions; 18311c9c548SOr Gerlitz key.num_actions = num_actions; 18411c9c548SOr Gerlitz 18511c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 18611c9c548SOr Gerlitz 18711c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 18811c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_FDB; 18911c9c548SOr Gerlitz hash_for_each_possible(esw->offloads.mod_hdr_tbl, mh, 19011c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 19111c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 19211c9c548SOr Gerlitz found = true; 19311c9c548SOr Gerlitz break; 19411c9c548SOr Gerlitz } 19511c9c548SOr Gerlitz } 19611c9c548SOr Gerlitz } else { 19711c9c548SOr Gerlitz namespace = MLX5_FLOW_NAMESPACE_KERNEL; 19811c9c548SOr Gerlitz hash_for_each_possible(priv->fs.tc.mod_hdr_tbl, mh, 19911c9c548SOr Gerlitz mod_hdr_hlist, hash_key) { 20011c9c548SOr Gerlitz if (!cmp_mod_hdr_info(&mh->key, &key)) { 20111c9c548SOr Gerlitz found = true; 20211c9c548SOr Gerlitz break; 20311c9c548SOr Gerlitz } 20411c9c548SOr Gerlitz } 20511c9c548SOr Gerlitz } 20611c9c548SOr Gerlitz 20711c9c548SOr Gerlitz if (found) 20811c9c548SOr Gerlitz goto attach_flow; 20911c9c548SOr Gerlitz 21011c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 21111c9c548SOr Gerlitz if (!mh) 21211c9c548SOr Gerlitz return -ENOMEM; 21311c9c548SOr Gerlitz 21411c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 21511c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 21611c9c548SOr Gerlitz mh->key.num_actions = num_actions; 21711c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 21811c9c548SOr Gerlitz 21911c9c548SOr Gerlitz err = mlx5_modify_header_alloc(priv->mdev, namespace, 22011c9c548SOr Gerlitz mh->key.num_actions, 22111c9c548SOr Gerlitz mh->key.actions, 22211c9c548SOr Gerlitz &mh->mod_hdr_id); 22311c9c548SOr Gerlitz if (err) 22411c9c548SOr Gerlitz goto out_err; 22511c9c548SOr Gerlitz 22611c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 22711c9c548SOr Gerlitz hash_add(esw->offloads.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 22811c9c548SOr Gerlitz else 22911c9c548SOr Gerlitz hash_add(priv->fs.tc.mod_hdr_tbl, &mh->mod_hdr_hlist, hash_key); 23011c9c548SOr Gerlitz 23111c9c548SOr Gerlitz attach_flow: 23211c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 23311c9c548SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 23411c9c548SOr Gerlitz flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; 23511c9c548SOr Gerlitz else 23611c9c548SOr Gerlitz flow->nic_attr->mod_hdr_id = mh->mod_hdr_id; 23711c9c548SOr Gerlitz 23811c9c548SOr Gerlitz return 0; 23911c9c548SOr Gerlitz 24011c9c548SOr Gerlitz out_err: 24111c9c548SOr Gerlitz kfree(mh); 24211c9c548SOr Gerlitz return err; 24311c9c548SOr Gerlitz } 24411c9c548SOr Gerlitz 24511c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 24611c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 24711c9c548SOr Gerlitz { 24811c9c548SOr Gerlitz struct list_head *next = flow->mod_hdr.next; 24911c9c548SOr Gerlitz 25011c9c548SOr Gerlitz list_del(&flow->mod_hdr); 25111c9c548SOr Gerlitz 25211c9c548SOr Gerlitz if (list_empty(next)) { 25311c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 25411c9c548SOr Gerlitz 25511c9c548SOr Gerlitz mh = list_entry(next, struct mlx5e_mod_hdr_entry, flows); 25611c9c548SOr Gerlitz 25711c9c548SOr Gerlitz mlx5_modify_header_dealloc(priv->mdev, mh->mod_hdr_id); 25811c9c548SOr Gerlitz hash_del(&mh->mod_hdr_hlist); 25911c9c548SOr Gerlitz kfree(mh); 26011c9c548SOr Gerlitz } 26111c9c548SOr Gerlitz } 26211c9c548SOr Gerlitz 26377ab67b7SOr Gerlitz static 26477ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 26577ab67b7SOr Gerlitz { 26677ab67b7SOr Gerlitz struct net_device *netdev; 26777ab67b7SOr Gerlitz struct mlx5e_priv *priv; 26877ab67b7SOr Gerlitz 26977ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 27077ab67b7SOr Gerlitz priv = netdev_priv(netdev); 27177ab67b7SOr Gerlitz return priv->mdev; 27277ab67b7SOr Gerlitz } 27377ab67b7SOr Gerlitz 27477ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 27577ab67b7SOr Gerlitz { 27677ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 27777ab67b7SOr Gerlitz void *tirc; 27877ab67b7SOr Gerlitz int err; 27977ab67b7SOr Gerlitz 28077ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 28177ab67b7SOr Gerlitz if (err) 28277ab67b7SOr Gerlitz goto alloc_tdn_err; 28377ab67b7SOr Gerlitz 28477ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 28577ab67b7SOr Gerlitz 28677ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 287ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 28877ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 28977ab67b7SOr Gerlitz 29077ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 29177ab67b7SOr Gerlitz if (err) 29277ab67b7SOr Gerlitz goto create_tir_err; 29377ab67b7SOr Gerlitz 29477ab67b7SOr Gerlitz return 0; 29577ab67b7SOr Gerlitz 29677ab67b7SOr Gerlitz create_tir_err: 29777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 29877ab67b7SOr Gerlitz alloc_tdn_err: 29977ab67b7SOr Gerlitz return err; 30077ab67b7SOr Gerlitz } 30177ab67b7SOr Gerlitz 30277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 30377ab67b7SOr Gerlitz { 30477ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 30577ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 30677ab67b7SOr Gerlitz } 30777ab67b7SOr Gerlitz 3083f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 3093f6d08d1SOr Gerlitz { 3103f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 3113f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3123f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 3133f6d08d1SOr Gerlitz 3143f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 3153f6d08d1SOr Gerlitz hp->num_channels); 3163f6d08d1SOr Gerlitz 3173f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 3183f6d08d1SOr Gerlitz ix = i; 3193f6d08d1SOr Gerlitz if (priv->channels.params.rss_hfunc == ETH_RSS_HASH_XOR) 3203f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 3213f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 3223f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 3233f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 3243f6d08d1SOr Gerlitz } 3253f6d08d1SOr Gerlitz } 3263f6d08d1SOr Gerlitz 3273f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 3283f6d08d1SOr Gerlitz { 3293f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 3303f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3313f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 3323f6d08d1SOr Gerlitz void *rqtc; 3333f6d08d1SOr Gerlitz u32 *in; 3343f6d08d1SOr Gerlitz 3353f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 3363f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 3373f6d08d1SOr Gerlitz if (!in) 3383f6d08d1SOr Gerlitz return -ENOMEM; 3393f6d08d1SOr Gerlitz 3403f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 3413f6d08d1SOr Gerlitz 3423f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 3433f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 3443f6d08d1SOr Gerlitz 3453f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 3463f6d08d1SOr Gerlitz 3473f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 3483f6d08d1SOr Gerlitz if (!err) 3493f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 3503f6d08d1SOr Gerlitz 3513f6d08d1SOr Gerlitz kvfree(in); 3523f6d08d1SOr Gerlitz return err; 3533f6d08d1SOr Gerlitz } 3543f6d08d1SOr Gerlitz 3553f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 3563f6d08d1SOr Gerlitz { 3573f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 3583f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 3593f6d08d1SOr Gerlitz int tt, i, err; 3603f6d08d1SOr Gerlitz void *tirc; 3613f6d08d1SOr Gerlitz 3623f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 3633f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 3643f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 3653f6d08d1SOr Gerlitz 3663f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 3673f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 3683f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 3693f6d08d1SOr Gerlitz mlx5e_build_indir_tir_ctx_hash(&priv->channels.params, tt, tirc, false); 3703f6d08d1SOr Gerlitz 3713f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 3723f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 3733f6d08d1SOr Gerlitz if (err) { 3743f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 3753f6d08d1SOr Gerlitz goto err_destroy_tirs; 3763f6d08d1SOr Gerlitz } 3773f6d08d1SOr Gerlitz } 3783f6d08d1SOr Gerlitz return 0; 3793f6d08d1SOr Gerlitz 3803f6d08d1SOr Gerlitz err_destroy_tirs: 3813f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 3823f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 3833f6d08d1SOr Gerlitz return err; 3843f6d08d1SOr Gerlitz } 3853f6d08d1SOr Gerlitz 3863f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 3873f6d08d1SOr Gerlitz { 3883f6d08d1SOr Gerlitz int tt; 3893f6d08d1SOr Gerlitz 3903f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 3913f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 3923f6d08d1SOr Gerlitz } 3933f6d08d1SOr Gerlitz 3943f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 3953f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 3963f6d08d1SOr Gerlitz { 3973f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 3983f6d08d1SOr Gerlitz int tt; 3993f6d08d1SOr Gerlitz 4003f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 4013f6d08d1SOr Gerlitz 4023f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 4033f6d08d1SOr Gerlitz 4043f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 4053f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 4063f6d08d1SOr Gerlitz 4073f6d08d1SOr Gerlitz ft_attr->max_fte = MLX5E_NUM_TT; 4083f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 4093f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 4103f6d08d1SOr Gerlitz } 4113f6d08d1SOr Gerlitz 4123f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 4133f6d08d1SOr Gerlitz { 4143f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4153f6d08d1SOr Gerlitz struct ttc_params ttc_params; 4163f6d08d1SOr Gerlitz int err; 4173f6d08d1SOr Gerlitz 4183f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 4193f6d08d1SOr Gerlitz if (err) 4203f6d08d1SOr Gerlitz return err; 4213f6d08d1SOr Gerlitz 4223f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 4233f6d08d1SOr Gerlitz if (err) 4243f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 4253f6d08d1SOr Gerlitz 4263f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 4273f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 4283f6d08d1SOr Gerlitz if (err) 4293f6d08d1SOr Gerlitz goto err_create_ttc_table; 4303f6d08d1SOr Gerlitz 4313f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 4323f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 4333f6d08d1SOr Gerlitz 4343f6d08d1SOr Gerlitz return 0; 4353f6d08d1SOr Gerlitz 4363f6d08d1SOr Gerlitz err_create_ttc_table: 4373f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4383f6d08d1SOr Gerlitz err_create_indirect_tirs: 4393f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4403f6d08d1SOr Gerlitz 4413f6d08d1SOr Gerlitz return err; 4423f6d08d1SOr Gerlitz } 4433f6d08d1SOr Gerlitz 4443f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 4453f6d08d1SOr Gerlitz { 4463f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4473f6d08d1SOr Gerlitz 4483f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 4493f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 4503f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 4513f6d08d1SOr Gerlitz } 4523f6d08d1SOr Gerlitz 45377ab67b7SOr Gerlitz static struct mlx5e_hairpin * 45477ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 45577ab67b7SOr Gerlitz int peer_ifindex) 45677ab67b7SOr Gerlitz { 45777ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 45877ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 45977ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 46077ab67b7SOr Gerlitz int err; 46177ab67b7SOr Gerlitz 46277ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 46377ab67b7SOr Gerlitz if (!hp) 46477ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 46577ab67b7SOr Gerlitz 46677ab67b7SOr Gerlitz func_mdev = priv->mdev; 46777ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 46877ab67b7SOr Gerlitz 46977ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 47077ab67b7SOr Gerlitz if (IS_ERR(pair)) { 47177ab67b7SOr Gerlitz err = PTR_ERR(pair); 47277ab67b7SOr Gerlitz goto create_pair_err; 47377ab67b7SOr Gerlitz } 47477ab67b7SOr Gerlitz hp->pair = pair; 47577ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 4763f6d08d1SOr Gerlitz hp->func_priv = priv; 4773f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 47877ab67b7SOr Gerlitz 47977ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 48077ab67b7SOr Gerlitz if (err) 48177ab67b7SOr Gerlitz goto create_transport_err; 48277ab67b7SOr Gerlitz 4833f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 4843f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 4853f6d08d1SOr Gerlitz if (err) 4863f6d08d1SOr Gerlitz goto rss_init_err; 4873f6d08d1SOr Gerlitz } 4883f6d08d1SOr Gerlitz 48977ab67b7SOr Gerlitz return hp; 49077ab67b7SOr Gerlitz 4913f6d08d1SOr Gerlitz rss_init_err: 4923f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 49377ab67b7SOr Gerlitz create_transport_err: 49477ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 49577ab67b7SOr Gerlitz create_pair_err: 49677ab67b7SOr Gerlitz kfree(hp); 49777ab67b7SOr Gerlitz return ERR_PTR(err); 49877ab67b7SOr Gerlitz } 49977ab67b7SOr Gerlitz 50077ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 50177ab67b7SOr Gerlitz { 5023f6d08d1SOr Gerlitz if (hp->num_channels > 1) 5033f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 50477ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 50577ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 50677ab67b7SOr Gerlitz kvfree(hp); 50777ab67b7SOr Gerlitz } 50877ab67b7SOr Gerlitz 509106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 510106be53bSOr Gerlitz { 511106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 512106be53bSOr Gerlitz } 513106be53bSOr Gerlitz 5145c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 515106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 5165c65c564SOr Gerlitz { 5175c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 518106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 5195c65c564SOr Gerlitz 5205c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 521106be53bSOr Gerlitz hairpin_hlist, hash_key) { 522106be53bSOr Gerlitz if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) 5235c65c564SOr Gerlitz return hpe; 5245c65c564SOr Gerlitz } 5255c65c564SOr Gerlitz 5265c65c564SOr Gerlitz return NULL; 5275c65c564SOr Gerlitz } 5285c65c564SOr Gerlitz 529106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 530106be53bSOr Gerlitz 531106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 532106be53bSOr Gerlitz struct mlx5_flow_spec *spec, u8 *match_prio) 533106be53bSOr Gerlitz { 534106be53bSOr Gerlitz void *headers_c, *headers_v; 535106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 536106be53bSOr Gerlitz bool vlan_present; 537106be53bSOr Gerlitz 538106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 539106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 540106be53bSOr Gerlitz netdev_warn(priv->netdev, 541106be53bSOr Gerlitz "only PCP trust state supported for hairpin\n"); 542106be53bSOr Gerlitz return -EOPNOTSUPP; 543106be53bSOr Gerlitz } 544106be53bSOr Gerlitz #endif 545106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 546106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 547106be53bSOr Gerlitz 548106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 549106be53bSOr Gerlitz if (vlan_present) { 550106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 551106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 552106be53bSOr Gerlitz } 553106be53bSOr Gerlitz 554106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 555106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 556106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 557106be53bSOr Gerlitz netdev_warn(priv->netdev, 558106be53bSOr Gerlitz "masked priority match not supported for hairpin\n"); 559106be53bSOr Gerlitz return -EOPNOTSUPP; 560106be53bSOr Gerlitz } 561106be53bSOr Gerlitz 562106be53bSOr Gerlitz *match_prio = prio_val; 563106be53bSOr Gerlitz return 0; 564106be53bSOr Gerlitz } 565106be53bSOr Gerlitz 5665c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 5675c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 5685c65c564SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 5695c65c564SOr Gerlitz { 5705c65c564SOr Gerlitz int peer_ifindex = parse_attr->mirred_ifindex; 5715c65c564SOr Gerlitz struct mlx5_hairpin_params params; 572d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 5735c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 5745c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 5753f6d08d1SOr Gerlitz u64 link_speed64; 5763f6d08d1SOr Gerlitz u32 link_speed; 577106be53bSOr Gerlitz u8 match_prio; 578d8822868SOr Gerlitz u16 peer_id; 5795c65c564SOr Gerlitz int err; 5805c65c564SOr Gerlitz 581d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 582d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 5835c65c564SOr Gerlitz netdev_warn(priv->netdev, "hairpin is not supported\n"); 5845c65c564SOr Gerlitz return -EOPNOTSUPP; 5855c65c564SOr Gerlitz } 5865c65c564SOr Gerlitz 587d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 588106be53bSOr Gerlitz err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio); 589106be53bSOr Gerlitz if (err) 590106be53bSOr Gerlitz return err; 591106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 5925c65c564SOr Gerlitz if (hpe) 5935c65c564SOr Gerlitz goto attach_flow; 5945c65c564SOr Gerlitz 5955c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 5965c65c564SOr Gerlitz if (!hpe) 5975c65c564SOr Gerlitz return -ENOMEM; 5985c65c564SOr Gerlitz 5995c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 600d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 601106be53bSOr Gerlitz hpe->prio = match_prio; 6025c65c564SOr Gerlitz 6035c65c564SOr Gerlitz params.log_data_size = 15; 6045c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 6055c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 6065c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 6075c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 6085c65c564SOr Gerlitz 609eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 610eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 611eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 612eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 613eb9180f7SOr Gerlitz 614eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 6153f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 6163f6d08d1SOr Gerlitz mlx5e_get_max_linkspeed(priv->mdev, &link_speed); 6173f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 6183f6d08d1SOr Gerlitz link_speed64 = link_speed; 6193f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 6203f6d08d1SOr Gerlitz params.num_channels = link_speed64; 6213f6d08d1SOr Gerlitz 6225c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 6235c65c564SOr Gerlitz if (IS_ERR(hp)) { 6245c65c564SOr Gerlitz err = PTR_ERR(hp); 6255c65c564SOr Gerlitz goto create_hairpin_err; 6265c65c564SOr Gerlitz } 6275c65c564SOr Gerlitz 628eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 629ddae74acSOr Gerlitz hp->tirn, hp->pair->rqn[0], hp->pair->peer_mdev->priv.name, 630eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 6315c65c564SOr Gerlitz 6325c65c564SOr Gerlitz hpe->hp = hp; 633106be53bSOr Gerlitz hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 634106be53bSOr Gerlitz hash_hairpin_info(peer_id, match_prio)); 6355c65c564SOr Gerlitz 6365c65c564SOr Gerlitz attach_flow: 6373f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 6383f6d08d1SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN_RSS; 6393f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 6403f6d08d1SOr Gerlitz } else { 6415c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 6423f6d08d1SOr Gerlitz } 6435c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 6443f6d08d1SOr Gerlitz 6455c65c564SOr Gerlitz return 0; 6465c65c564SOr Gerlitz 6475c65c564SOr Gerlitz create_hairpin_err: 6485c65c564SOr Gerlitz kfree(hpe); 6495c65c564SOr Gerlitz return err; 6505c65c564SOr Gerlitz } 6515c65c564SOr Gerlitz 6525c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 6535c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 6545c65c564SOr Gerlitz { 6555c65c564SOr Gerlitz struct list_head *next = flow->hairpin.next; 6565c65c564SOr Gerlitz 6575c65c564SOr Gerlitz list_del(&flow->hairpin); 6585c65c564SOr Gerlitz 6595c65c564SOr Gerlitz /* no more hairpin flows for us, release the hairpin pair */ 6605c65c564SOr Gerlitz if (list_empty(next)) { 6615c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 6625c65c564SOr Gerlitz 6635c65c564SOr Gerlitz hpe = list_entry(next, struct mlx5e_hairpin_entry, flows); 6645c65c564SOr Gerlitz 6655c65c564SOr Gerlitz netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 6665c65c564SOr Gerlitz hpe->hp->pair->peer_mdev->priv.name); 6675c65c564SOr Gerlitz 6685c65c564SOr Gerlitz mlx5e_hairpin_destroy(hpe->hp); 6695c65c564SOr Gerlitz hash_del(&hpe->hairpin_hlist); 6705c65c564SOr Gerlitz kfree(hpe); 6715c65c564SOr Gerlitz } 6725c65c564SOr Gerlitz } 6735c65c564SOr Gerlitz 67474491de9SMark Bloch static struct mlx5_flow_handle * 67574491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 67617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 677aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 678e8f887acSAmir Vadai { 679aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 680aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 6815c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 68266958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 6833bc4b7bfSOr Gerlitz .action = attr->action, 684a9db0ecfSMatan Barak .has_flow_tag = true, 6853bc4b7bfSOr Gerlitz .flow_tag = attr->flow_tag, 68666958ed9SHadar Hen Zion .encap_id = 0, 68766958ed9SHadar Hen Zion }; 688aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 68974491de9SMark Bloch struct mlx5_flow_handle *rule; 690e8f887acSAmir Vadai bool table_created = false; 6915c65c564SOr Gerlitz int err, dest_ix = 0; 692e8f887acSAmir Vadai 6935c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) { 6945c65c564SOr Gerlitz err = mlx5e_hairpin_flow_add(priv, flow, parse_attr); 6955c65c564SOr Gerlitz if (err) { 6965c65c564SOr Gerlitz rule = ERR_PTR(err); 6975c65c564SOr Gerlitz goto err_add_hairpin_flow; 6985c65c564SOr Gerlitz } 6993f6d08d1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN_RSS) { 7003f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7013f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 7023f6d08d1SOr Gerlitz } else { 7035c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 7045c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 7053f6d08d1SOr Gerlitz } 7063f6d08d1SOr Gerlitz dest_ix++; 7073f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 7085c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 7095c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 7105c65c564SOr Gerlitz dest_ix++; 7115c65c564SOr Gerlitz } 712aad7e08dSAmir Vadai 7135c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 7145c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 7155c65c564SOr Gerlitz if (IS_ERR(counter)) { 7165c65c564SOr Gerlitz rule = ERR_CAST(counter); 7175c65c564SOr Gerlitz goto err_fc_create; 7185c65c564SOr Gerlitz } 7195c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 7205c65c564SOr Gerlitz dest[dest_ix].counter = counter; 7215c65c564SOr Gerlitz dest_ix++; 722aad7e08dSAmir Vadai } 723aad7e08dSAmir Vadai 7242f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 7253099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 726d7e75a32SOr Gerlitz flow_act.modify_id = attr->mod_hdr_id; 7272f4fe4caSOr Gerlitz kfree(parse_attr->mod_hdr_actions); 7282f4fe4caSOr Gerlitz if (err) { 7292f4fe4caSOr Gerlitz rule = ERR_PTR(err); 7302f4fe4caSOr Gerlitz goto err_create_mod_hdr_id; 7312f4fe4caSOr Gerlitz } 7322f4fe4caSOr Gerlitz } 7332f4fe4caSOr Gerlitz 734acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 73521b9c144SOr Gerlitz int tc_grp_size, tc_tbl_size; 73621b9c144SOr Gerlitz u32 max_flow_counter; 73721b9c144SOr Gerlitz 73821b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 73921b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 74021b9c144SOr Gerlitz 74121b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 74221b9c144SOr Gerlitz 74321b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 74421b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 74521b9c144SOr Gerlitz 746acff797cSMaor Gottlieb priv->fs.tc.t = 747acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 748acff797cSMaor Gottlieb MLX5E_TC_PRIO, 74921b9c144SOr Gerlitz tc_tbl_size, 750acff797cSMaor Gottlieb MLX5E_TC_TABLE_NUM_GROUPS, 7513f6d08d1SOr Gerlitz MLX5E_TC_FT_LEVEL, 0); 752acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 753e8f887acSAmir Vadai netdev_err(priv->netdev, 754e8f887acSAmir Vadai "Failed to create tc offload table\n"); 755aad7e08dSAmir Vadai rule = ERR_CAST(priv->fs.tc.t); 756aad7e08dSAmir Vadai goto err_create_ft; 757e8f887acSAmir Vadai } 758e8f887acSAmir Vadai 759e8f887acSAmir Vadai table_created = true; 760e8f887acSAmir Vadai } 761e8f887acSAmir Vadai 76238aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 76317091853SOr Gerlitz parse_attr->spec.match_criteria_enable = MLX5_MATCH_OUTER_HEADERS; 76438aa51c1SOr Gerlitz 76517091853SOr Gerlitz rule = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 7665c65c564SOr Gerlitz &flow_act, dest, dest_ix); 767e8f887acSAmir Vadai 768aad7e08dSAmir Vadai if (IS_ERR(rule)) 769aad7e08dSAmir Vadai goto err_add_rule; 770aad7e08dSAmir Vadai 771aad7e08dSAmir Vadai return rule; 772aad7e08dSAmir Vadai 773aad7e08dSAmir Vadai err_add_rule: 774aad7e08dSAmir Vadai if (table_created) { 775acff797cSMaor Gottlieb mlx5_destroy_flow_table(priv->fs.tc.t); 776acff797cSMaor Gottlieb priv->fs.tc.t = NULL; 777e8f887acSAmir Vadai } 778aad7e08dSAmir Vadai err_create_ft: 7792f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 7803099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 7812f4fe4caSOr Gerlitz err_create_mod_hdr_id: 782aad7e08dSAmir Vadai mlx5_fc_destroy(dev, counter); 7835c65c564SOr Gerlitz err_fc_create: 7845c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 7855c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 7865c65c564SOr Gerlitz err_add_hairpin_flow: 787e8f887acSAmir Vadai return rule; 788e8f887acSAmir Vadai } 789e8f887acSAmir Vadai 790d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 791d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 792d85cdccbSOr Gerlitz { 793513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 794d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 795d85cdccbSOr Gerlitz 796d85cdccbSOr Gerlitz counter = mlx5_flow_rule_counter(flow->rule); 797d85cdccbSOr Gerlitz mlx5_del_flow_rules(flow->rule); 798d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 799d85cdccbSOr Gerlitz 800b3a433deSOr Gerlitz if (!mlx5e_tc_num_filters(priv) && priv->fs.tc.t) { 801d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 802d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 803d85cdccbSOr Gerlitz } 8042f4fe4caSOr Gerlitz 805513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8063099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 8075c65c564SOr Gerlitz 8085c65c564SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_HAIRPIN) 8095c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 810d85cdccbSOr Gerlitz } 811d85cdccbSOr Gerlitz 812aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 813aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow); 814aa0cbbaeSOr Gerlitz 8153c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 8163c37745eSOr Gerlitz struct ip_tunnel_info *tun_info, 8173c37745eSOr Gerlitz struct net_device *mirred_dev, 8183c37745eSOr Gerlitz struct net_device **encap_dev, 8193c37745eSOr Gerlitz struct mlx5e_tc_flow *flow); 8203c37745eSOr Gerlitz 82174491de9SMark Bloch static struct mlx5_flow_handle * 82274491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 82317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 824aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 825adb4c123SOr Gerlitz { 826adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 827aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 8283c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 8293c37745eSOr Gerlitz struct mlx5_flow_handle *rule = NULL; 8303c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 8313c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 8328b32580dSOr Gerlitz int err; 8338b32580dSOr Gerlitz 8343c37745eSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) { 8353c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 8363c37745eSOr Gerlitz attr->parse_attr->mirred_ifindex); 8373c37745eSOr Gerlitz err = mlx5e_attach_encap(priv, &parse_attr->tun_info, 8383c37745eSOr Gerlitz out_dev, &encap_dev, flow); 8393c37745eSOr Gerlitz if (err) { 8403c37745eSOr Gerlitz rule = ERR_PTR(err); 8413c37745eSOr Gerlitz if (err != -EAGAIN) 8423c37745eSOr Gerlitz goto err_attach_encap; 8433c37745eSOr Gerlitz } 8443c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 8453c37745eSOr Gerlitz rpriv = out_priv->ppriv; 8463c37745eSOr Gerlitz attr->out_rep = rpriv->rep; 84756e858dfSRabie Loulou attr->out_mdev = out_priv->mdev; 8483c37745eSOr Gerlitz } 8493c37745eSOr Gerlitz 8508b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 851aa0cbbaeSOr Gerlitz if (err) { 852aa0cbbaeSOr Gerlitz rule = ERR_PTR(err); 853aa0cbbaeSOr Gerlitz goto err_add_vlan; 854adb4c123SOr Gerlitz } 855adb4c123SOr Gerlitz 856d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 8571a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 858d7e75a32SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 859d7e75a32SOr Gerlitz if (err) { 860d7e75a32SOr Gerlitz rule = ERR_PTR(err); 861d7e75a32SOr Gerlitz goto err_mod_hdr; 862d7e75a32SOr Gerlitz } 863d7e75a32SOr Gerlitz } 864d7e75a32SOr Gerlitz 8653c37745eSOr Gerlitz /* we get here if (1) there's no error (rule being null) or when 8663c37745eSOr Gerlitz * (2) there's an encap action and we're on -EAGAIN (no valid neigh) 8673c37745eSOr Gerlitz */ 8683c37745eSOr Gerlitz if (rule != ERR_PTR(-EAGAIN)) { 869aa0cbbaeSOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, &parse_attr->spec, attr); 870aa0cbbaeSOr Gerlitz if (IS_ERR(rule)) 871aa0cbbaeSOr Gerlitz goto err_add_rule; 8723c37745eSOr Gerlitz } 873aa0cbbaeSOr Gerlitz return rule; 874aa0cbbaeSOr Gerlitz 875aa0cbbaeSOr Gerlitz err_add_rule: 876513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 8771a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 878d7e75a32SOr Gerlitz err_mod_hdr: 879aa0cbbaeSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 880aa0cbbaeSOr Gerlitz err_add_vlan: 881aa0cbbaeSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) 882aa0cbbaeSOr Gerlitz mlx5e_detach_encap(priv, flow); 8833c37745eSOr Gerlitz err_attach_encap: 884aa0cbbaeSOr Gerlitz return rule; 885aa0cbbaeSOr Gerlitz } 886d85cdccbSOr Gerlitz 887d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 888d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 889d85cdccbSOr Gerlitz { 890d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 891d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 892d85cdccbSOr Gerlitz 893232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 894232c0013SHadar Hen Zion flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 895513f8f7fSOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule, attr); 896232c0013SHadar Hen Zion } 897d85cdccbSOr Gerlitz 898513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 899d85cdccbSOr Gerlitz 900513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) { 901d85cdccbSOr Gerlitz mlx5e_detach_encap(priv, flow); 902513f8f7fSOr Gerlitz kvfree(attr->parse_attr); 903232c0013SHadar Hen Zion } 904d7e75a32SOr Gerlitz 905513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9061a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 907d85cdccbSOr Gerlitz } 908d85cdccbSOr Gerlitz 909232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 910232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 911232c0013SHadar Hen Zion { 9123c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 9133c37745eSOr Gerlitz struct mlx5_esw_flow_attr *esw_attr; 914232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 915232c0013SHadar Hen Zion int err; 916232c0013SHadar Hen Zion 917232c0013SHadar Hen Zion err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 918232c0013SHadar Hen Zion e->encap_size, e->encap_header, 919232c0013SHadar Hen Zion &e->encap_id); 920232c0013SHadar Hen Zion if (err) { 921232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %d\n", 922232c0013SHadar Hen Zion err); 923232c0013SHadar Hen Zion return; 924232c0013SHadar Hen Zion } 925232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 926f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 927232c0013SHadar Hen Zion 928232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 9293c37745eSOr Gerlitz esw_attr = flow->esw_attr; 9303c37745eSOr Gerlitz esw_attr->encap_id = e->encap_id; 9313c37745eSOr Gerlitz flow->rule = mlx5_eswitch_add_offloaded_rule(esw, &esw_attr->parse_attr->spec, esw_attr); 932232c0013SHadar Hen Zion if (IS_ERR(flow->rule)) { 933232c0013SHadar Hen Zion err = PTR_ERR(flow->rule); 934232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 935232c0013SHadar Hen Zion err); 936232c0013SHadar Hen Zion continue; 937232c0013SHadar Hen Zion } 938232c0013SHadar Hen Zion flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 939232c0013SHadar Hen Zion } 940232c0013SHadar Hen Zion } 941232c0013SHadar Hen Zion 942232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 943232c0013SHadar Hen Zion struct mlx5e_encap_entry *e) 944232c0013SHadar Hen Zion { 9453c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 946232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 947232c0013SHadar Hen Zion 948232c0013SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 949232c0013SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 950232c0013SHadar Hen Zion flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; 9513c37745eSOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->esw_attr); 952232c0013SHadar Hen Zion } 953232c0013SHadar Hen Zion } 954232c0013SHadar Hen Zion 955232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 956232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 957232c0013SHadar Hen Zion mlx5_encap_dealloc(priv->mdev, e->encap_id); 958232c0013SHadar Hen Zion } 959232c0013SHadar Hen Zion } 960232c0013SHadar Hen Zion 961f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 962f6dfb4c3SHadar Hen Zion { 963f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 964f6dfb4c3SHadar Hen Zion u64 bytes, packets, lastuse = 0; 965f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 966f6dfb4c3SHadar Hen Zion struct mlx5e_encap_entry *e; 967f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 968f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 969f6dfb4c3SHadar Hen Zion bool neigh_used = false; 970f6dfb4c3SHadar Hen Zion struct neighbour *n; 971f6dfb4c3SHadar Hen Zion 972f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 973f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 974f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 975f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 976423c9db2SOr Gerlitz tbl = &nd_tbl; 977f6dfb4c3SHadar Hen Zion #endif 978f6dfb4c3SHadar Hen Zion else 979f6dfb4c3SHadar Hen Zion return; 980f6dfb4c3SHadar Hen Zion 981f6dfb4c3SHadar Hen Zion list_for_each_entry(e, &nhe->encap_list, encap_list) { 982f6dfb4c3SHadar Hen Zion if (!(e->flags & MLX5_ENCAP_ENTRY_VALID)) 983f6dfb4c3SHadar Hen Zion continue; 984f6dfb4c3SHadar Hen Zion list_for_each_entry(flow, &e->flows, encap) { 985f6dfb4c3SHadar Hen Zion if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { 986f6dfb4c3SHadar Hen Zion counter = mlx5_flow_rule_counter(flow->rule); 987f6dfb4c3SHadar Hen Zion mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 988f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 989f6dfb4c3SHadar Hen Zion neigh_used = true; 990f6dfb4c3SHadar Hen Zion break; 991f6dfb4c3SHadar Hen Zion } 992f6dfb4c3SHadar Hen Zion } 993f6dfb4c3SHadar Hen Zion } 994e36d4810SRoi Dayan if (neigh_used) 995e36d4810SRoi Dayan break; 996f6dfb4c3SHadar Hen Zion } 997f6dfb4c3SHadar Hen Zion 998f6dfb4c3SHadar Hen Zion if (neigh_used) { 999f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1000f6dfb4c3SHadar Hen Zion 1001f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1002f6dfb4c3SHadar Hen Zion * dst ip pair 1003f6dfb4c3SHadar Hen Zion */ 1004f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1005f6dfb4c3SHadar Hen Zion if (!n) { 1006f6dfb4c3SHadar Hen Zion WARN(1, "The neighbour already freed\n"); 1007f6dfb4c3SHadar Hen Zion return; 1008f6dfb4c3SHadar Hen Zion } 1009f6dfb4c3SHadar Hen Zion 1010f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1011f6dfb4c3SHadar Hen Zion neigh_release(n); 1012f6dfb4c3SHadar Hen Zion } 1013f6dfb4c3SHadar Hen Zion } 1014f6dfb4c3SHadar Hen Zion 1015d85cdccbSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1016d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1017d85cdccbSOr Gerlitz { 10185067b602SRoi Dayan struct list_head *next = flow->encap.next; 10195067b602SRoi Dayan 10205067b602SRoi Dayan list_del(&flow->encap); 10215067b602SRoi Dayan if (list_empty(next)) { 1022c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 10235067b602SRoi Dayan 1024c1ae1152SOr Gerlitz e = list_entry(next, struct mlx5e_encap_entry, flows); 1025232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1026232c0013SHadar Hen Zion 1027232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 10285067b602SRoi Dayan mlx5_encap_dealloc(priv->mdev, e->encap_id); 1029232c0013SHadar Hen Zion 1030cdc5a7f3SOr Gerlitz hash_del_rcu(&e->encap_hlist); 1031232c0013SHadar Hen Zion kfree(e->encap_header); 10325067b602SRoi Dayan kfree(e); 10335067b602SRoi Dayan } 10345067b602SRoi Dayan } 10355067b602SRoi Dayan 1036e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1037961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1038e8f887acSAmir Vadai { 1039d85cdccbSOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1040d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 1041d85cdccbSOr Gerlitz else 1042d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1043e8f887acSAmir Vadai } 1044e8f887acSAmir Vadai 1045bbd00f7eSHadar Hen Zion static void parse_vxlan_attr(struct mlx5_flow_spec *spec, 1046bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1047bbd00f7eSHadar Hen Zion { 1048bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1049bbd00f7eSHadar Hen Zion outer_headers); 1050bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1051bbd00f7eSHadar Hen Zion outer_headers); 1052bbd00f7eSHadar Hen Zion void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1053bbd00f7eSHadar Hen Zion misc_parameters); 1054bbd00f7eSHadar Hen Zion void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1055bbd00f7eSHadar Hen Zion misc_parameters); 1056bbd00f7eSHadar Hen Zion 1057bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_protocol); 1058bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, IPPROTO_UDP); 1059bbd00f7eSHadar Hen Zion 1060bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID)) { 1061bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *key = 1062bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1063bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1064bbd00f7eSHadar Hen Zion f->key); 1065bbd00f7eSHadar Hen Zion struct flow_dissector_key_keyid *mask = 1066bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1067bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, 1068bbd00f7eSHadar Hen Zion f->mask); 1069bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_c, vxlan_vni, 1070bbd00f7eSHadar Hen Zion be32_to_cpu(mask->keyid)); 1071bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_misc, misc_v, vxlan_vni, 1072bbd00f7eSHadar Hen Zion be32_to_cpu(key->keyid)); 1073bbd00f7eSHadar Hen Zion } 1074bbd00f7eSHadar Hen Zion } 1075bbd00f7eSHadar Hen Zion 1076bbd00f7eSHadar Hen Zion static int parse_tunnel_attr(struct mlx5e_priv *priv, 1077bbd00f7eSHadar Hen Zion struct mlx5_flow_spec *spec, 1078bbd00f7eSHadar Hen Zion struct tc_cls_flower_offload *f) 1079bbd00f7eSHadar Hen Zion { 1080bbd00f7eSHadar Hen Zion void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1081bbd00f7eSHadar Hen Zion outer_headers); 1082bbd00f7eSHadar Hen Zion void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1083bbd00f7eSHadar Hen Zion outer_headers); 1084bbd00f7eSHadar Hen Zion 10852e72eb43SOr Gerlitz struct flow_dissector_key_control *enc_control = 10862e72eb43SOr Gerlitz skb_flow_dissector_target(f->dissector, 10872e72eb43SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_CONTROL, 10882e72eb43SOr Gerlitz f->key); 10892e72eb43SOr Gerlitz 1090bbd00f7eSHadar Hen Zion if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) { 1091bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *key = 1092bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1093bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1094bbd00f7eSHadar Hen Zion f->key); 1095bbd00f7eSHadar Hen Zion struct flow_dissector_key_ports *mask = 1096bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1097bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, 1098bbd00f7eSHadar Hen Zion f->mask); 10991ad9a00aSPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1100a4b97ab4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 11015ed99fb4SMark Bloch struct net_device *up_dev = uplink_rpriv->netdev; 11021ad9a00aSPaul Blakey struct mlx5e_priv *up_priv = netdev_priv(up_dev); 1103bbd00f7eSHadar Hen Zion 1104bbd00f7eSHadar Hen Zion /* Full udp dst port must be given */ 1105bbd00f7eSHadar Hen Zion if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) 11062fcd82e9SOr Gerlitz goto vxlan_match_offload_err; 1107bbd00f7eSHadar Hen Zion 11081ad9a00aSPaul Blakey if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->dst)) && 1109bbd00f7eSHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) 1110bbd00f7eSHadar Hen Zion parse_vxlan_attr(spec, f); 11112fcd82e9SOr Gerlitz else { 11122fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 11132fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->dst)); 1114bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 11152fcd82e9SOr Gerlitz } 1116bbd00f7eSHadar Hen Zion 1117bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1118bbd00f7eSHadar Hen Zion udp_dport, ntohs(mask->dst)); 1119bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1120bbd00f7eSHadar Hen Zion udp_dport, ntohs(key->dst)); 1121bbd00f7eSHadar Hen Zion 1122cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1123cd377663SOr Gerlitz udp_sport, ntohs(mask->src)); 1124cd377663SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1125cd377663SOr Gerlitz udp_sport, ntohs(key->src)); 1126bbd00f7eSHadar Hen Zion } else { /* udp dst port must be given */ 11272fcd82e9SOr Gerlitz vxlan_match_offload_err: 11282fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 11292fcd82e9SOr Gerlitz "IP tunnel decap offload supported only for vxlan, must set UDP dport\n"); 1130bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1131bbd00f7eSHadar Hen Zion } 1132bbd00f7eSHadar Hen Zion 11332e72eb43SOr Gerlitz if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1134bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *key = 1135bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1136bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1137bbd00f7eSHadar Hen Zion f->key); 1138bbd00f7eSHadar Hen Zion struct flow_dissector_key_ipv4_addrs *mask = 1139bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1140bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 1141bbd00f7eSHadar Hen Zion f->mask); 1142bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1143bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1144bbd00f7eSHadar Hen Zion ntohl(mask->src)); 1145bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1146bbd00f7eSHadar Hen Zion src_ipv4_src_ipv6.ipv4_layout.ipv4, 1147bbd00f7eSHadar Hen Zion ntohl(key->src)); 1148bbd00f7eSHadar Hen Zion 1149bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1150bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1151bbd00f7eSHadar Hen Zion ntohl(mask->dst)); 1152bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1153bbd00f7eSHadar Hen Zion dst_ipv4_dst_ipv6.ipv4_layout.ipv4, 1154bbd00f7eSHadar Hen Zion ntohl(key->dst)); 1155bbd00f7eSHadar Hen Zion 1156bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 1157bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); 115819f44401SOr Gerlitz } else if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 115919f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *key = 116019f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 116119f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 116219f44401SOr Gerlitz f->key); 116319f44401SOr Gerlitz struct flow_dissector_key_ipv6_addrs *mask = 116419f44401SOr Gerlitz skb_flow_dissector_target(f->dissector, 116519f44401SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 116619f44401SOr Gerlitz f->mask); 116719f44401SOr Gerlitz 116819f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 116919f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 117019f44401SOr Gerlitz &mask->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 117119f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 117219f44401SOr Gerlitz src_ipv4_src_ipv6.ipv6_layout.ipv6), 117319f44401SOr Gerlitz &key->src, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 117419f44401SOr Gerlitz 117519f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 117619f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 117719f44401SOr Gerlitz &mask->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 117819f44401SOr Gerlitz memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 117919f44401SOr Gerlitz dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 118019f44401SOr Gerlitz &key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout, ipv6)); 118119f44401SOr Gerlitz 118219f44401SOr Gerlitz MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); 118319f44401SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); 11842e72eb43SOr Gerlitz } 1185bbd00f7eSHadar Hen Zion 1186bbd00f7eSHadar Hen Zion /* Enforce DMAC when offloading incoming tunneled flows. 1187bbd00f7eSHadar Hen Zion * Flow counters require a match on the DMAC. 1188bbd00f7eSHadar Hen Zion */ 1189bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_47_16); 1190bbd00f7eSHadar Hen Zion MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, dmac_15_0); 1191bbd00f7eSHadar Hen Zion ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1192bbd00f7eSHadar Hen Zion dmac_47_16), priv->netdev->dev_addr); 1193bbd00f7eSHadar Hen Zion 1194bbd00f7eSHadar Hen Zion /* let software handle IP fragments */ 1195bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 1196bbd00f7eSHadar Hen Zion MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 0); 1197bbd00f7eSHadar Hen Zion 1198bbd00f7eSHadar Hen Zion return 0; 1199bbd00f7eSHadar Hen Zion } 1200bbd00f7eSHadar Hen Zion 1201de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 1202de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1203de0af0bfSRoi Dayan struct tc_cls_flower_offload *f, 1204d708f902SOr Gerlitz u8 *match_level) 1205e3a2b7edSAmir Vadai { 1206c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1207c5bb1730SMaor Gottlieb outer_headers); 1208c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1209c5bb1730SMaor Gottlieb outer_headers); 1210e3a2b7edSAmir Vadai u16 addr_type = 0; 1211e3a2b7edSAmir Vadai u8 ip_proto = 0; 1212e3a2b7edSAmir Vadai 1213d708f902SOr Gerlitz *match_level = MLX5_MATCH_NONE; 1214de0af0bfSRoi Dayan 1215e3a2b7edSAmir Vadai if (f->dissector->used_keys & 1216e3a2b7edSAmir Vadai ~(BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1217e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1218e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1219095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1220e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1221e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1222bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1223bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1224bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1225bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1226bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1227e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1228fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1229fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP))) { 1230e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 1231e3a2b7edSAmir Vadai f->dissector->used_keys); 1232e3a2b7edSAmir Vadai return -EOPNOTSUPP; 1233e3a2b7edSAmir Vadai } 1234e3a2b7edSAmir Vadai 1235bbd00f7eSHadar Hen Zion if ((dissector_uses_key(f->dissector, 1236bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) || 1237bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_KEYID) || 1238bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) && 1239bbd00f7eSHadar Hen Zion dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { 1240bbd00f7eSHadar Hen Zion struct flow_dissector_key_control *key = 1241bbd00f7eSHadar Hen Zion skb_flow_dissector_target(f->dissector, 1242bbd00f7eSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_CONTROL, 1243bbd00f7eSHadar Hen Zion f->key); 1244bbd00f7eSHadar Hen Zion switch (key->addr_type) { 1245bbd00f7eSHadar Hen Zion case FLOW_DISSECTOR_KEY_IPV4_ADDRS: 124619f44401SOr Gerlitz case FLOW_DISSECTOR_KEY_IPV6_ADDRS: 1247bbd00f7eSHadar Hen Zion if (parse_tunnel_attr(priv, spec, f)) 1248bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1249bbd00f7eSHadar Hen Zion break; 1250bbd00f7eSHadar Hen Zion default: 1251bbd00f7eSHadar Hen Zion return -EOPNOTSUPP; 1252bbd00f7eSHadar Hen Zion } 1253bbd00f7eSHadar Hen Zion 1254bbd00f7eSHadar Hen Zion /* In decap flow, header pointers should point to the inner 1255bbd00f7eSHadar Hen Zion * headers, outer header were already set by parse_tunnel_attr 1256bbd00f7eSHadar Hen Zion */ 1257bbd00f7eSHadar Hen Zion headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1258bbd00f7eSHadar Hen Zion inner_headers); 1259bbd00f7eSHadar Hen Zion headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1260bbd00f7eSHadar Hen Zion inner_headers); 1261bbd00f7eSHadar Hen Zion } 1262bbd00f7eSHadar Hen Zion 1263e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 1264e3a2b7edSAmir Vadai struct flow_dissector_key_eth_addrs *key = 1265e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1266e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_ETH_ADDRS, 1267e3a2b7edSAmir Vadai f->key); 1268e3a2b7edSAmir Vadai struct flow_dissector_key_eth_addrs *mask = 1269e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1270e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_ETH_ADDRS, 1271e3a2b7edSAmir Vadai f->mask); 1272e3a2b7edSAmir Vadai 1273e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1274e3a2b7edSAmir Vadai dmac_47_16), 1275e3a2b7edSAmir Vadai mask->dst); 1276e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1277e3a2b7edSAmir Vadai dmac_47_16), 1278e3a2b7edSAmir Vadai key->dst); 1279e3a2b7edSAmir Vadai 1280e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1281e3a2b7edSAmir Vadai smac_47_16), 1282e3a2b7edSAmir Vadai mask->src); 1283e3a2b7edSAmir Vadai ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1284e3a2b7edSAmir Vadai smac_47_16), 1285e3a2b7edSAmir Vadai key->src); 128654782900SOr Gerlitz 128754782900SOr Gerlitz if (!is_zero_ether_addr(mask->src) || !is_zero_ether_addr(mask->dst)) 1288d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1289e3a2b7edSAmir Vadai } 1290e3a2b7edSAmir Vadai 1291095b6cfdSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) { 1292095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *key = 1293095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1294095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1295095b6cfdSOr Gerlitz f->key); 1296095b6cfdSOr Gerlitz struct flow_dissector_key_vlan *mask = 1297095b6cfdSOr Gerlitz skb_flow_dissector_target(f->dissector, 1298095b6cfdSOr Gerlitz FLOW_DISSECTOR_KEY_VLAN, 1299095b6cfdSOr Gerlitz f->mask); 1300358d79a4SOr Gerlitz if (mask->vlan_id || mask->vlan_priority) { 130110543365SMohamad Haj Yahia MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 130210543365SMohamad Haj Yahia MLX5_SET(fte_match_set_lyr_2_4, headers_v, cvlan_tag, 1); 1303095b6cfdSOr Gerlitz 1304095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id); 1305095b6cfdSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id); 1306358d79a4SOr Gerlitz 1307358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority); 1308358d79a4SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority); 130954782900SOr Gerlitz 1310d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 1311095b6cfdSOr Gerlitz } 1312095b6cfdSOr Gerlitz } 1313095b6cfdSOr Gerlitz 131454782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 131554782900SOr Gerlitz struct flow_dissector_key_basic *key = 131654782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 131754782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 131854782900SOr Gerlitz f->key); 131954782900SOr Gerlitz struct flow_dissector_key_basic *mask = 132054782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 132154782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 132254782900SOr Gerlitz f->mask); 132354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 132454782900SOr Gerlitz ntohs(mask->n_proto)); 132554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 132654782900SOr Gerlitz ntohs(key->n_proto)); 132754782900SOr Gerlitz 132854782900SOr Gerlitz if (mask->n_proto) 1329d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 133054782900SOr Gerlitz } 133154782900SOr Gerlitz 133254782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) { 133354782900SOr Gerlitz struct flow_dissector_key_control *key = 133454782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 133554782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 133654782900SOr Gerlitz f->key); 133754782900SOr Gerlitz 133854782900SOr Gerlitz struct flow_dissector_key_control *mask = 133954782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 134054782900SOr Gerlitz FLOW_DISSECTOR_KEY_CONTROL, 134154782900SOr Gerlitz f->mask); 134254782900SOr Gerlitz addr_type = key->addr_type; 134354782900SOr Gerlitz 134454782900SOr Gerlitz /* the HW doesn't support frag first/later */ 134554782900SOr Gerlitz if (mask->flags & FLOW_DIS_FIRST_FRAG) 134654782900SOr Gerlitz return -EOPNOTSUPP; 134754782900SOr Gerlitz 134854782900SOr Gerlitz if (mask->flags & FLOW_DIS_IS_FRAGMENT) { 134954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 135054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 135154782900SOr Gerlitz key->flags & FLOW_DIS_IS_FRAGMENT); 135254782900SOr Gerlitz 135354782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 135454782900SOr Gerlitz if (!(key->flags & FLOW_DIS_IS_FRAGMENT)) 1355d708f902SOr Gerlitz *match_level = MLX5_INLINE_MODE_L2; 135654782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 135754782900SOr Gerlitz else 1358d708f902SOr Gerlitz *match_level = MLX5_INLINE_MODE_IP; 135954782900SOr Gerlitz } 136054782900SOr Gerlitz } 136154782900SOr Gerlitz 136254782900SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_BASIC)) { 136354782900SOr Gerlitz struct flow_dissector_key_basic *key = 136454782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 136554782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 136654782900SOr Gerlitz f->key); 136754782900SOr Gerlitz struct flow_dissector_key_basic *mask = 136854782900SOr Gerlitz skb_flow_dissector_target(f->dissector, 136954782900SOr Gerlitz FLOW_DISSECTOR_KEY_BASIC, 137054782900SOr Gerlitz f->mask); 137154782900SOr Gerlitz ip_proto = key->ip_proto; 137254782900SOr Gerlitz 137354782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 137454782900SOr Gerlitz mask->ip_proto); 137554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 137654782900SOr Gerlitz key->ip_proto); 137754782900SOr Gerlitz 137854782900SOr Gerlitz if (mask->ip_proto) 1379d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 138054782900SOr Gerlitz } 138154782900SOr Gerlitz 1382e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 1383e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *key = 1384e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1385e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1386e3a2b7edSAmir Vadai f->key); 1387e3a2b7edSAmir Vadai struct flow_dissector_key_ipv4_addrs *mask = 1388e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1389e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV4_ADDRS, 1390e3a2b7edSAmir Vadai f->mask); 1391e3a2b7edSAmir Vadai 1392e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1393e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1394e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1395e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1396e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 1397e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1398e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1399e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1400e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1401e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1402e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 1403e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1404de0af0bfSRoi Dayan 1405de0af0bfSRoi Dayan if (mask->src || mask->dst) 1406d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1407e3a2b7edSAmir Vadai } 1408e3a2b7edSAmir Vadai 1409e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 1410e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *key = 1411e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1412e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1413e3a2b7edSAmir Vadai f->key); 1414e3a2b7edSAmir Vadai struct flow_dissector_key_ipv6_addrs *mask = 1415e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1416e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_IPV6_ADDRS, 1417e3a2b7edSAmir Vadai f->mask); 1418e3a2b7edSAmir Vadai 1419e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1420e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1421e3a2b7edSAmir Vadai &mask->src, sizeof(mask->src)); 1422e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1423e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 1424e3a2b7edSAmir Vadai &key->src, sizeof(key->src)); 1425e3a2b7edSAmir Vadai 1426e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 1427e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1428e3a2b7edSAmir Vadai &mask->dst, sizeof(mask->dst)); 1429e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 1430e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 1431e3a2b7edSAmir Vadai &key->dst, sizeof(key->dst)); 1432de0af0bfSRoi Dayan 1433de0af0bfSRoi Dayan if (ipv6_addr_type(&mask->src) != IPV6_ADDR_ANY || 1434de0af0bfSRoi Dayan ipv6_addr_type(&mask->dst) != IPV6_ADDR_ANY) 1435d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 1436e3a2b7edSAmir Vadai } 1437e3a2b7edSAmir Vadai 14381f97a526SOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_IP)) { 14391f97a526SOr Gerlitz struct flow_dissector_key_ip *key = 14401f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 14411f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 14421f97a526SOr Gerlitz f->key); 14431f97a526SOr Gerlitz struct flow_dissector_key_ip *mask = 14441f97a526SOr Gerlitz skb_flow_dissector_target(f->dissector, 14451f97a526SOr Gerlitz FLOW_DISSECTOR_KEY_IP, 14461f97a526SOr Gerlitz f->mask); 14471f97a526SOr Gerlitz 14481f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); 14491f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); 14501f97a526SOr Gerlitz 14511f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); 14521f97a526SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); 14531f97a526SOr Gerlitz 1454a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); 1455a8ade55fSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); 14561f97a526SOr Gerlitz 1457a8ade55fSOr Gerlitz if (mask->ttl && 1458a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 1459a8ade55fSOr Gerlitz ft_field_support.outer_ipv4_ttl)) 14601f97a526SOr Gerlitz return -EOPNOTSUPP; 1461a8ade55fSOr Gerlitz 1462a8ade55fSOr Gerlitz if (mask->tos || mask->ttl) 1463d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 14641f97a526SOr Gerlitz } 14651f97a526SOr Gerlitz 146654782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 146754782900SOr Gerlitz 1468e3a2b7edSAmir Vadai if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_PORTS)) { 1469e3a2b7edSAmir Vadai struct flow_dissector_key_ports *key = 1470e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1471e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1472e3a2b7edSAmir Vadai f->key); 1473e3a2b7edSAmir Vadai struct flow_dissector_key_ports *mask = 1474e3a2b7edSAmir Vadai skb_flow_dissector_target(f->dissector, 1475e3a2b7edSAmir Vadai FLOW_DISSECTOR_KEY_PORTS, 1476e3a2b7edSAmir Vadai f->mask); 1477e3a2b7edSAmir Vadai switch (ip_proto) { 1478e3a2b7edSAmir Vadai case IPPROTO_TCP: 1479e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1480e3a2b7edSAmir Vadai tcp_sport, ntohs(mask->src)); 1481e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1482e3a2b7edSAmir Vadai tcp_sport, ntohs(key->src)); 1483e3a2b7edSAmir Vadai 1484e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1485e3a2b7edSAmir Vadai tcp_dport, ntohs(mask->dst)); 1486e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1487e3a2b7edSAmir Vadai tcp_dport, ntohs(key->dst)); 1488e3a2b7edSAmir Vadai break; 1489e3a2b7edSAmir Vadai 1490e3a2b7edSAmir Vadai case IPPROTO_UDP: 1491e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1492e3a2b7edSAmir Vadai udp_sport, ntohs(mask->src)); 1493e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1494e3a2b7edSAmir Vadai udp_sport, ntohs(key->src)); 1495e3a2b7edSAmir Vadai 1496e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 1497e3a2b7edSAmir Vadai udp_dport, ntohs(mask->dst)); 1498e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 1499e3a2b7edSAmir Vadai udp_dport, ntohs(key->dst)); 1500e3a2b7edSAmir Vadai break; 1501e3a2b7edSAmir Vadai default: 1502e3a2b7edSAmir Vadai netdev_err(priv->netdev, 1503e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 1504e3a2b7edSAmir Vadai return -EINVAL; 1505e3a2b7edSAmir Vadai } 1506de0af0bfSRoi Dayan 1507de0af0bfSRoi Dayan if (mask->src || mask->dst) 1508d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1509e3a2b7edSAmir Vadai } 1510e3a2b7edSAmir Vadai 1511e77834ecSOr Gerlitz if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) { 1512e77834ecSOr Gerlitz struct flow_dissector_key_tcp *key = 1513e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1514e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1515e77834ecSOr Gerlitz f->key); 1516e77834ecSOr Gerlitz struct flow_dissector_key_tcp *mask = 1517e77834ecSOr Gerlitz skb_flow_dissector_target(f->dissector, 1518e77834ecSOr Gerlitz FLOW_DISSECTOR_KEY_TCP, 1519e77834ecSOr Gerlitz f->mask); 1520e77834ecSOr Gerlitz 1521e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 1522e77834ecSOr Gerlitz ntohs(mask->flags)); 1523e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 1524e77834ecSOr Gerlitz ntohs(key->flags)); 1525e77834ecSOr Gerlitz 1526e77834ecSOr Gerlitz if (mask->flags) 1527d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 1528e77834ecSOr Gerlitz } 1529e77834ecSOr Gerlitz 1530e3a2b7edSAmir Vadai return 0; 1531e3a2b7edSAmir Vadai } 1532e3a2b7edSAmir Vadai 1533de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 153465ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 1535de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1536de0af0bfSRoi Dayan struct tc_cls_flower_offload *f) 1537de0af0bfSRoi Dayan { 1538de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 1539de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 15401d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 15411d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 1542d708f902SOr Gerlitz u8 match_level; 1543de0af0bfSRoi Dayan int err; 1544de0af0bfSRoi Dayan 1545d708f902SOr Gerlitz err = __parse_cls_flower(priv, spec, f, &match_level); 1546de0af0bfSRoi Dayan 15471d447a39SSaeed Mahameed if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH)) { 15481d447a39SSaeed Mahameed rep = rpriv->rep; 15491d447a39SSaeed Mahameed if (rep->vport != FDB_UPLINK_VPORT && 15501d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 1551d708f902SOr Gerlitz esw->offloads.inline_mode < match_level)) { 1552de0af0bfSRoi Dayan netdev_warn(priv->netdev, 1553de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 1554d708f902SOr Gerlitz match_level, esw->offloads.inline_mode); 1555de0af0bfSRoi Dayan return -EOPNOTSUPP; 1556de0af0bfSRoi Dayan } 1557de0af0bfSRoi Dayan } 1558de0af0bfSRoi Dayan 155938aa51c1SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 156038aa51c1SOr Gerlitz flow->esw_attr->match_level = match_level; 156138aa51c1SOr Gerlitz else 156238aa51c1SOr Gerlitz flow->nic_attr->match_level = match_level; 156338aa51c1SOr Gerlitz 1564de0af0bfSRoi Dayan return err; 1565de0af0bfSRoi Dayan } 1566de0af0bfSRoi Dayan 1567d79b6df6SOr Gerlitz struct pedit_headers { 1568d79b6df6SOr Gerlitz struct ethhdr eth; 1569d79b6df6SOr Gerlitz struct iphdr ip4; 1570d79b6df6SOr Gerlitz struct ipv6hdr ip6; 1571d79b6df6SOr Gerlitz struct tcphdr tcp; 1572d79b6df6SOr Gerlitz struct udphdr udp; 1573d79b6df6SOr Gerlitz }; 1574d79b6df6SOr Gerlitz 1575d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 1576d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 1577d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 1578d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 1579d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 1580d79b6df6SOr Gerlitz [TCA_PEDIT_KEY_EX_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 1581d79b6df6SOr Gerlitz }; 1582d79b6df6SOr Gerlitz 1583d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 1584d79b6df6SOr Gerlitz 1585d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 1586d79b6df6SOr Gerlitz struct pedit_headers *masks, 1587d79b6df6SOr Gerlitz struct pedit_headers *vals) 1588d79b6df6SOr Gerlitz { 1589d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 1590d79b6df6SOr Gerlitz 1591d79b6df6SOr Gerlitz if (hdr_type >= __PEDIT_HDR_TYPE_MAX) 1592d79b6df6SOr Gerlitz goto out_err; 1593d79b6df6SOr Gerlitz 1594d79b6df6SOr Gerlitz curr_pmask = (u32 *)(pedit_header(masks, hdr_type) + offset); 1595d79b6df6SOr Gerlitz curr_pval = (u32 *)(pedit_header(vals, hdr_type) + offset); 1596d79b6df6SOr Gerlitz 1597d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 1598d79b6df6SOr Gerlitz goto out_err; 1599d79b6df6SOr Gerlitz 1600d79b6df6SOr Gerlitz *curr_pmask |= mask; 1601d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 1602d79b6df6SOr Gerlitz 1603d79b6df6SOr Gerlitz return 0; 1604d79b6df6SOr Gerlitz 1605d79b6df6SOr Gerlitz out_err: 1606d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1607d79b6df6SOr Gerlitz } 1608d79b6df6SOr Gerlitz 1609d79b6df6SOr Gerlitz struct mlx5_fields { 1610d79b6df6SOr Gerlitz u8 field; 1611d79b6df6SOr Gerlitz u8 size; 1612d79b6df6SOr Gerlitz u32 offset; 1613d79b6df6SOr Gerlitz }; 1614d79b6df6SOr Gerlitz 1615a8e4f0c4SOr Gerlitz #define OFFLOAD(fw_field, size, field, off) \ 1616a8e4f0c4SOr Gerlitz {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, size, offsetof(struct pedit_headers, field) + (off)} 1617a8e4f0c4SOr Gerlitz 1618d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 1619a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_47_16, 4, eth.h_dest[0], 0), 1620a8e4f0c4SOr Gerlitz OFFLOAD(DMAC_15_0, 2, eth.h_dest[4], 0), 1621a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_47_16, 4, eth.h_source[0], 0), 1622a8e4f0c4SOr Gerlitz OFFLOAD(SMAC_15_0, 2, eth.h_source[4], 0), 1623a8e4f0c4SOr Gerlitz OFFLOAD(ETHERTYPE, 2, eth.h_proto, 0), 1624d79b6df6SOr Gerlitz 1625a8e4f0c4SOr Gerlitz OFFLOAD(IP_TTL, 1, ip4.ttl, 0), 1626a8e4f0c4SOr Gerlitz OFFLOAD(SIPV4, 4, ip4.saddr, 0), 1627a8e4f0c4SOr Gerlitz OFFLOAD(DIPV4, 4, ip4.daddr, 0), 1628d79b6df6SOr Gerlitz 1629a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_127_96, 4, ip6.saddr.s6_addr32[0], 0), 1630a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_95_64, 4, ip6.saddr.s6_addr32[1], 0), 1631a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_63_32, 4, ip6.saddr.s6_addr32[2], 0), 1632a8e4f0c4SOr Gerlitz OFFLOAD(SIPV6_31_0, 4, ip6.saddr.s6_addr32[3], 0), 1633a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_127_96, 4, ip6.daddr.s6_addr32[0], 0), 1634a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_95_64, 4, ip6.daddr.s6_addr32[1], 0), 1635a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_63_32, 4, ip6.daddr.s6_addr32[2], 0), 1636a8e4f0c4SOr Gerlitz OFFLOAD(DIPV6_31_0, 4, ip6.daddr.s6_addr32[3], 0), 16370c0316f5SOr Gerlitz OFFLOAD(IPV6_HOPLIMIT, 1, ip6.hop_limit, 0), 1638d79b6df6SOr Gerlitz 1639a8e4f0c4SOr Gerlitz OFFLOAD(TCP_SPORT, 2, tcp.source, 0), 1640a8e4f0c4SOr Gerlitz OFFLOAD(TCP_DPORT, 2, tcp.dest, 0), 1641a8e4f0c4SOr Gerlitz OFFLOAD(TCP_FLAGS, 1, tcp.ack_seq, 5), 1642d79b6df6SOr Gerlitz 1643a8e4f0c4SOr Gerlitz OFFLOAD(UDP_SPORT, 2, udp.source, 0), 1644a8e4f0c4SOr Gerlitz OFFLOAD(UDP_DPORT, 2, udp.dest, 0), 1645d79b6df6SOr Gerlitz }; 1646d79b6df6SOr Gerlitz 1647d79b6df6SOr Gerlitz /* On input attr->num_mod_hdr_actions tells how many HW actions can be parsed at 1648d79b6df6SOr Gerlitz * max from the SW pedit action. On success, it says how many HW actions were 1649d79b6df6SOr Gerlitz * actually parsed. 1650d79b6df6SOr Gerlitz */ 1651d79b6df6SOr Gerlitz static int offload_pedit_fields(struct pedit_headers *masks, 1652d79b6df6SOr Gerlitz struct pedit_headers *vals, 1653d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1654d79b6df6SOr Gerlitz { 1655d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 16562b64bebaSOr Gerlitz int i, action_size, nactions, max_actions, first, last, next_z; 1657d79b6df6SOr Gerlitz void *s_masks_p, *a_masks_p, *vals_p; 1658d79b6df6SOr Gerlitz struct mlx5_fields *f; 1659d79b6df6SOr Gerlitz u8 cmd, field_bsize; 1660e3ca4e05SOr Gerlitz u32 s_mask, a_mask; 1661d79b6df6SOr Gerlitz unsigned long mask; 16622b64bebaSOr Gerlitz __be32 mask_be32; 16632b64bebaSOr Gerlitz __be16 mask_be16; 1664d79b6df6SOr Gerlitz void *action; 1665d79b6df6SOr Gerlitz 1666d79b6df6SOr Gerlitz set_masks = &masks[TCA_PEDIT_KEY_EX_CMD_SET]; 1667d79b6df6SOr Gerlitz add_masks = &masks[TCA_PEDIT_KEY_EX_CMD_ADD]; 1668d79b6df6SOr Gerlitz set_vals = &vals[TCA_PEDIT_KEY_EX_CMD_SET]; 1669d79b6df6SOr Gerlitz add_vals = &vals[TCA_PEDIT_KEY_EX_CMD_ADD]; 1670d79b6df6SOr Gerlitz 1671d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1672d79b6df6SOr Gerlitz action = parse_attr->mod_hdr_actions; 1673d79b6df6SOr Gerlitz max_actions = parse_attr->num_mod_hdr_actions; 1674d79b6df6SOr Gerlitz nactions = 0; 1675d79b6df6SOr Gerlitz 1676d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 1677d79b6df6SOr Gerlitz f = &fields[i]; 1678d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 1679e3ca4e05SOr Gerlitz s_mask = 0; 1680e3ca4e05SOr Gerlitz a_mask = 0; 1681d79b6df6SOr Gerlitz 1682d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 1683d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 1684d79b6df6SOr Gerlitz 1685d79b6df6SOr Gerlitz memcpy(&s_mask, s_masks_p, f->size); 1686d79b6df6SOr Gerlitz memcpy(&a_mask, a_masks_p, f->size); 1687d79b6df6SOr Gerlitz 1688d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 1689d79b6df6SOr Gerlitz continue; 1690d79b6df6SOr Gerlitz 1691d79b6df6SOr Gerlitz if (s_mask && a_mask) { 1692d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 1693d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1694d79b6df6SOr Gerlitz } 1695d79b6df6SOr Gerlitz 1696d79b6df6SOr Gerlitz if (nactions == max_actions) { 1697d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: parsed %d pedit actions, can't do more\n", nactions); 1698d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1699d79b6df6SOr Gerlitz } 1700d79b6df6SOr Gerlitz 1701d79b6df6SOr Gerlitz if (s_mask) { 1702d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 1703d79b6df6SOr Gerlitz mask = s_mask; 1704d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 1705d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1706d79b6df6SOr Gerlitz memset(s_masks_p, 0, f->size); 1707d79b6df6SOr Gerlitz } else { 1708d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 1709d79b6df6SOr Gerlitz mask = a_mask; 1710d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 1711d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 1712d79b6df6SOr Gerlitz memset(a_masks_p, 0, f->size); 1713d79b6df6SOr Gerlitz } 1714d79b6df6SOr Gerlitz 1715d79b6df6SOr Gerlitz field_bsize = f->size * BITS_PER_BYTE; 1716e3ca4e05SOr Gerlitz 17172b64bebaSOr Gerlitz if (field_bsize == 32) { 17182b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 17192b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 17202b64bebaSOr Gerlitz } else if (field_bsize == 16) { 17212b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 17222b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 17232b64bebaSOr Gerlitz } 17242b64bebaSOr Gerlitz 1725d79b6df6SOr Gerlitz first = find_first_bit(&mask, field_bsize); 17262b64bebaSOr Gerlitz next_z = find_next_zero_bit(&mask, field_bsize, first); 1727d79b6df6SOr Gerlitz last = find_last_bit(&mask, field_bsize); 17282b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 17292b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 1730d79b6df6SOr Gerlitz mask); 1731d79b6df6SOr Gerlitz return -EOPNOTSUPP; 1732d79b6df6SOr Gerlitz } 1733d79b6df6SOr Gerlitz 1734d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 1735d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 1736d79b6df6SOr Gerlitz 1737d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 17382b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, offset, first); 1739d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 17402b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 1741d79b6df6SOr Gerlitz } 1742d79b6df6SOr Gerlitz 1743d79b6df6SOr Gerlitz if (field_bsize == 32) 17442b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 1745d79b6df6SOr Gerlitz else if (field_bsize == 16) 17462b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 1747d79b6df6SOr Gerlitz else if (field_bsize == 8) 17482b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 1749d79b6df6SOr Gerlitz 1750d79b6df6SOr Gerlitz action += action_size; 1751d79b6df6SOr Gerlitz nactions++; 1752d79b6df6SOr Gerlitz } 1753d79b6df6SOr Gerlitz 1754d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = nactions; 1755d79b6df6SOr Gerlitz return 0; 1756d79b6df6SOr Gerlitz } 1757d79b6df6SOr Gerlitz 1758d79b6df6SOr Gerlitz static int alloc_mod_hdr_actions(struct mlx5e_priv *priv, 1759d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1760d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1761d79b6df6SOr Gerlitz { 1762d79b6df6SOr Gerlitz int nkeys, action_size, max_actions; 1763d79b6df6SOr Gerlitz 1764d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1765d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 1766d79b6df6SOr Gerlitz 1767d79b6df6SOr Gerlitz if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 1768d79b6df6SOr Gerlitz max_actions = MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, max_modify_header_actions); 1769d79b6df6SOr Gerlitz else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 1770d79b6df6SOr Gerlitz max_actions = MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, max_modify_header_actions); 1771d79b6df6SOr Gerlitz 1772d79b6df6SOr Gerlitz /* can get up to crazingly 16 HW actions in 32 bits pedit SW key */ 1773d79b6df6SOr Gerlitz max_actions = min(max_actions, nkeys * 16); 1774d79b6df6SOr Gerlitz 1775d79b6df6SOr Gerlitz parse_attr->mod_hdr_actions = kcalloc(max_actions, action_size, GFP_KERNEL); 1776d79b6df6SOr Gerlitz if (!parse_attr->mod_hdr_actions) 1777d79b6df6SOr Gerlitz return -ENOMEM; 1778d79b6df6SOr Gerlitz 1779d79b6df6SOr Gerlitz parse_attr->num_mod_hdr_actions = max_actions; 1780d79b6df6SOr Gerlitz return 0; 1781d79b6df6SOr Gerlitz } 1782d79b6df6SOr Gerlitz 1783d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 1784d79b6df6SOr Gerlitz 1785d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 1786d79b6df6SOr Gerlitz const struct tc_action *a, int namespace, 1787d79b6df6SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 1788d79b6df6SOr Gerlitz { 1789d79b6df6SOr Gerlitz struct pedit_headers masks[__PEDIT_CMD_MAX], vals[__PEDIT_CMD_MAX], *cmd_masks; 1790d79b6df6SOr Gerlitz int nkeys, i, err = -EOPNOTSUPP; 1791d79b6df6SOr Gerlitz u32 mask, val, offset; 1792d79b6df6SOr Gerlitz u8 cmd, htype; 1793d79b6df6SOr Gerlitz 1794d79b6df6SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1795d79b6df6SOr Gerlitz 1796d79b6df6SOr Gerlitz memset(masks, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1797d79b6df6SOr Gerlitz memset(vals, 0, sizeof(struct pedit_headers) * __PEDIT_CMD_MAX); 1798d79b6df6SOr Gerlitz 1799d79b6df6SOr Gerlitz for (i = 0; i < nkeys; i++) { 1800d79b6df6SOr Gerlitz htype = tcf_pedit_htype(a, i); 1801d79b6df6SOr Gerlitz cmd = tcf_pedit_cmd(a, i); 1802d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 1803d79b6df6SOr Gerlitz 1804d79b6df6SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK) { 1805b3a433deSOr Gerlitz netdev_warn(priv->netdev, "legacy pedit isn't offloaded\n"); 1806d79b6df6SOr Gerlitz goto out_err; 1807d79b6df6SOr Gerlitz } 1808d79b6df6SOr Gerlitz 1809d79b6df6SOr Gerlitz if (cmd != TCA_PEDIT_KEY_EX_CMD_SET && cmd != TCA_PEDIT_KEY_EX_CMD_ADD) { 1810b3a433deSOr Gerlitz netdev_warn(priv->netdev, "pedit cmd %d isn't offloaded\n", cmd); 1811d79b6df6SOr Gerlitz goto out_err; 1812d79b6df6SOr Gerlitz } 1813d79b6df6SOr Gerlitz 1814d79b6df6SOr Gerlitz mask = tcf_pedit_mask(a, i); 1815d79b6df6SOr Gerlitz val = tcf_pedit_val(a, i); 1816d79b6df6SOr Gerlitz offset = tcf_pedit_offset(a, i); 1817d79b6df6SOr Gerlitz 1818d79b6df6SOr Gerlitz err = set_pedit_val(htype, ~mask, val, offset, &masks[cmd], &vals[cmd]); 1819d79b6df6SOr Gerlitz if (err) 1820d79b6df6SOr Gerlitz goto out_err; 1821d79b6df6SOr Gerlitz } 1822d79b6df6SOr Gerlitz 1823d79b6df6SOr Gerlitz err = alloc_mod_hdr_actions(priv, a, namespace, parse_attr); 1824d79b6df6SOr Gerlitz if (err) 1825d79b6df6SOr Gerlitz goto out_err; 1826d79b6df6SOr Gerlitz 1827d79b6df6SOr Gerlitz err = offload_pedit_fields(masks, vals, parse_attr); 1828d79b6df6SOr Gerlitz if (err < 0) 1829d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 1830d79b6df6SOr Gerlitz 1831d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 1832d79b6df6SOr Gerlitz cmd_masks = &masks[cmd]; 1833d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 1834b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 1835d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 1836d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 1837d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 1838d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 1839d79b6df6SOr Gerlitz } 1840d79b6df6SOr Gerlitz } 1841d79b6df6SOr Gerlitz 1842d79b6df6SOr Gerlitz return 0; 1843d79b6df6SOr Gerlitz 1844d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 1845d79b6df6SOr Gerlitz kfree(parse_attr->mod_hdr_actions); 1846d79b6df6SOr Gerlitz out_err: 1847d79b6df6SOr Gerlitz return err; 1848d79b6df6SOr Gerlitz } 1849d79b6df6SOr Gerlitz 185026c02749SOr Gerlitz static bool csum_offload_supported(struct mlx5e_priv *priv, u32 action, u32 update_flags) 185126c02749SOr Gerlitz { 185226c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 185326c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 185426c02749SOr Gerlitz 185526c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 185626c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 185726c02749SOr Gerlitz netdev_warn(priv->netdev, 185826c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 185926c02749SOr Gerlitz return false; 186026c02749SOr Gerlitz } 186126c02749SOr Gerlitz 186226c02749SOr Gerlitz if (update_flags & ~prot_flags) { 186326c02749SOr Gerlitz netdev_warn(priv->netdev, 186426c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 186526c02749SOr Gerlitz update_flags); 186626c02749SOr Gerlitz return false; 186726c02749SOr Gerlitz } 186826c02749SOr Gerlitz 186926c02749SOr Gerlitz return true; 187026c02749SOr Gerlitz } 187126c02749SOr Gerlitz 1872bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 1873bdd66ac0SOr Gerlitz struct tcf_exts *exts) 1874bdd66ac0SOr Gerlitz { 1875bdd66ac0SOr Gerlitz const struct tc_action *a; 1876bdd66ac0SOr Gerlitz bool modify_ip_header; 1877bdd66ac0SOr Gerlitz LIST_HEAD(actions); 1878bdd66ac0SOr Gerlitz u8 htype, ip_proto; 1879bdd66ac0SOr Gerlitz void *headers_v; 1880bdd66ac0SOr Gerlitz u16 ethertype; 1881bdd66ac0SOr Gerlitz int nkeys, i; 1882bdd66ac0SOr Gerlitz 1883bdd66ac0SOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1884bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1885bdd66ac0SOr Gerlitz 1886bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 1887bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 1888bdd66ac0SOr Gerlitz goto out_ok; 1889bdd66ac0SOr Gerlitz 1890bdd66ac0SOr Gerlitz modify_ip_header = false; 1891bdd66ac0SOr Gerlitz tcf_exts_to_list(exts, &actions); 1892bdd66ac0SOr Gerlitz list_for_each_entry(a, &actions, list) { 1893bdd66ac0SOr Gerlitz if (!is_tcf_pedit(a)) 1894bdd66ac0SOr Gerlitz continue; 1895bdd66ac0SOr Gerlitz 1896bdd66ac0SOr Gerlitz nkeys = tcf_pedit_nkeys(a); 1897bdd66ac0SOr Gerlitz for (i = 0; i < nkeys; i++) { 1898bdd66ac0SOr Gerlitz htype = tcf_pedit_htype(a, i); 1899bdd66ac0SOr Gerlitz if (htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP4 || 1900bdd66ac0SOr Gerlitz htype == TCA_PEDIT_KEY_EX_HDR_TYPE_IP6) { 1901bdd66ac0SOr Gerlitz modify_ip_header = true; 1902bdd66ac0SOr Gerlitz break; 1903bdd66ac0SOr Gerlitz } 1904bdd66ac0SOr Gerlitz } 1905bdd66ac0SOr Gerlitz } 1906bdd66ac0SOr Gerlitz 1907bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 19081ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 19091ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 1910bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 1911bdd66ac0SOr Gerlitz return false; 1912bdd66ac0SOr Gerlitz } 1913bdd66ac0SOr Gerlitz 1914bdd66ac0SOr Gerlitz out_ok: 1915bdd66ac0SOr Gerlitz return true; 1916bdd66ac0SOr Gerlitz } 1917bdd66ac0SOr Gerlitz 1918bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 1919bdd66ac0SOr Gerlitz struct tcf_exts *exts, 1920bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1921bdd66ac0SOr Gerlitz struct mlx5e_tc_flow *flow) 1922bdd66ac0SOr Gerlitz { 1923bdd66ac0SOr Gerlitz u32 actions; 1924bdd66ac0SOr Gerlitz 1925bdd66ac0SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) 1926bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 1927bdd66ac0SOr Gerlitz else 1928bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 1929bdd66ac0SOr Gerlitz 1930bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 1931bdd66ac0SOr Gerlitz return modify_header_match_supported(&parse_attr->spec, exts); 1932bdd66ac0SOr Gerlitz 1933bdd66ac0SOr Gerlitz return true; 1934bdd66ac0SOr Gerlitz } 1935bdd66ac0SOr Gerlitz 19365c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 19375c65c564SOr Gerlitz { 19385c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 19395c65c564SOr Gerlitz u16 func_id, peer_id; 19405c65c564SOr Gerlitz 19415c65c564SOr Gerlitz fmdev = priv->mdev; 19425c65c564SOr Gerlitz pmdev = peer_priv->mdev; 19435c65c564SOr Gerlitz 19445c65c564SOr Gerlitz func_id = (u16)((fmdev->pdev->bus->number << 8) | PCI_SLOT(fmdev->pdev->devfn)); 19455c65c564SOr Gerlitz peer_id = (u16)((pmdev->pdev->bus->number << 8) | PCI_SLOT(pmdev->pdev->devfn)); 19465c65c564SOr Gerlitz 19475c65c564SOr Gerlitz return (func_id == peer_id); 19485c65c564SOr Gerlitz } 19495c65c564SOr Gerlitz 19505c40348cSOr Gerlitz static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 1951aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1952aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow *flow) 1953e3a2b7edSAmir Vadai { 1954aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1955e3a2b7edSAmir Vadai const struct tc_action *a; 195622dc13c8SWANG Cong LIST_HEAD(actions); 19571cab1cd7SOr Gerlitz u32 action = 0; 19582f4fe4caSOr Gerlitz int err; 1959e3a2b7edSAmir Vadai 19603bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 1961e3a2b7edSAmir Vadai return -EINVAL; 1962e3a2b7edSAmir Vadai 19633bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 1964e3a2b7edSAmir Vadai 196522dc13c8SWANG Cong tcf_exts_to_list(exts, &actions); 196622dc13c8SWANG Cong list_for_each_entry(a, &actions, list) { 1967e3a2b7edSAmir Vadai if (is_tcf_gact_shot(a)) { 19681cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 1969aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 1970aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 19711cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 1972e3a2b7edSAmir Vadai continue; 1973e3a2b7edSAmir Vadai } 1974e3a2b7edSAmir Vadai 19752f4fe4caSOr Gerlitz if (is_tcf_pedit(a)) { 19762f4fe4caSOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_KERNEL, 19772f4fe4caSOr Gerlitz parse_attr); 19782f4fe4caSOr Gerlitz if (err) 19792f4fe4caSOr Gerlitz return err; 19802f4fe4caSOr Gerlitz 19811cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 19822f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 19832f4fe4caSOr Gerlitz continue; 19842f4fe4caSOr Gerlitz } 19852f4fe4caSOr Gerlitz 198626c02749SOr Gerlitz if (is_tcf_csum(a)) { 19871cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 198826c02749SOr Gerlitz tcf_csum_update_flags(a))) 198926c02749SOr Gerlitz continue; 199026c02749SOr Gerlitz 199126c02749SOr Gerlitz return -EOPNOTSUPP; 199226c02749SOr Gerlitz } 199326c02749SOr Gerlitz 19945c65c564SOr Gerlitz if (is_tcf_mirred_egress_redirect(a)) { 19955c65c564SOr Gerlitz struct net_device *peer_dev = tcf_mirred_dev(a); 19965c65c564SOr Gerlitz 19975c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 19985c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 19995c65c564SOr Gerlitz parse_attr->mirred_ifindex = peer_dev->ifindex; 20005c65c564SOr Gerlitz flow->flags |= MLX5E_TC_FLOW_HAIRPIN; 20011cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 20025c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 20035c65c564SOr Gerlitz } else { 20045c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 20055c65c564SOr Gerlitz peer_dev->name); 20065c65c564SOr Gerlitz return -EINVAL; 20075c65c564SOr Gerlitz } 20085c65c564SOr Gerlitz continue; 20095c65c564SOr Gerlitz } 20105c65c564SOr Gerlitz 2011e3a2b7edSAmir Vadai if (is_tcf_skbedit_mark(a)) { 2012e3a2b7edSAmir Vadai u32 mark = tcf_skbedit_mark(a); 2013e3a2b7edSAmir Vadai 2014e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 2015e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Bad flow mark - only 16 bit is supported: 0x%x\n", 2016e3a2b7edSAmir Vadai mark); 2017e3a2b7edSAmir Vadai return -EINVAL; 2018e3a2b7edSAmir Vadai } 2019e3a2b7edSAmir Vadai 20203bc4b7bfSOr Gerlitz attr->flow_tag = mark; 20211cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 2022e3a2b7edSAmir Vadai continue; 2023e3a2b7edSAmir Vadai } 2024e3a2b7edSAmir Vadai 2025e3a2b7edSAmir Vadai return -EINVAL; 2026e3a2b7edSAmir Vadai } 2027e3a2b7edSAmir Vadai 20281cab1cd7SOr Gerlitz attr->action = action; 2029bdd66ac0SOr Gerlitz if (!actions_match_supported(priv, exts, parse_attr, flow)) 2030bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2031bdd66ac0SOr Gerlitz 2032e3a2b7edSAmir Vadai return 0; 2033e3a2b7edSAmir Vadai } 2034e3a2b7edSAmir Vadai 203576f7444dSOr Gerlitz static inline int cmp_encap_info(struct ip_tunnel_key *a, 203676f7444dSOr Gerlitz struct ip_tunnel_key *b) 2037a54e20b4SHadar Hen Zion { 2038a54e20b4SHadar Hen Zion return memcmp(a, b, sizeof(*a)); 2039a54e20b4SHadar Hen Zion } 2040a54e20b4SHadar Hen Zion 204176f7444dSOr Gerlitz static inline int hash_encap_info(struct ip_tunnel_key *key) 2042a54e20b4SHadar Hen Zion { 204376f7444dSOr Gerlitz return jhash(key, sizeof(*key), 0); 2044a54e20b4SHadar Hen Zion } 2045a54e20b4SHadar Hen Zion 2046a54e20b4SHadar Hen Zion static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, 2047a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 2048a54e20b4SHadar Hen Zion struct net_device **out_dev, 2049a54e20b4SHadar Hen Zion struct flowi4 *fl4, 2050a54e20b4SHadar Hen Zion struct neighbour **out_n, 2051a54e20b4SHadar Hen Zion int *out_ttl) 2052a54e20b4SHadar Hen Zion { 20533e621b19SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20545ed99fb4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv; 2055a54e20b4SHadar Hen Zion struct rtable *rt; 2056a54e20b4SHadar Hen Zion struct neighbour *n = NULL; 2057a54e20b4SHadar Hen Zion 2058a54e20b4SHadar Hen Zion #if IS_ENABLED(CONFIG_INET) 2059abeffce9SArnd Bergmann int ret; 2060abeffce9SArnd Bergmann 2061a54e20b4SHadar Hen Zion rt = ip_route_output_key(dev_net(mirred_dev), fl4); 2062abeffce9SArnd Bergmann ret = PTR_ERR_OR_ZERO(rt); 2063abeffce9SArnd Bergmann if (ret) 2064abeffce9SArnd Bergmann return ret; 2065a54e20b4SHadar Hen Zion #else 2066a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2067a54e20b4SHadar Hen Zion #endif 2068a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 20693e621b19SHadar Hen Zion /* if the egress device isn't on the same HW e-switch, we use the uplink */ 20703e621b19SHadar Hen Zion if (!switchdev_port_same_parent_id(priv->netdev, rt->dst.dev)) 20715ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 20723e621b19SHadar Hen Zion else 20733e621b19SHadar Hen Zion *out_dev = rt->dst.dev; 2074a54e20b4SHadar Hen Zion 207575c33da8SOr Gerlitz *out_ttl = ip4_dst_hoplimit(&rt->dst); 2076a54e20b4SHadar Hen Zion n = dst_neigh_lookup(&rt->dst, &fl4->daddr); 2077a54e20b4SHadar Hen Zion ip_rt_put(rt); 2078a54e20b4SHadar Hen Zion if (!n) 2079a54e20b4SHadar Hen Zion return -ENOMEM; 2080a54e20b4SHadar Hen Zion 2081a54e20b4SHadar Hen Zion *out_n = n; 2082a54e20b4SHadar Hen Zion return 0; 2083a54e20b4SHadar Hen Zion } 2084a54e20b4SHadar Hen Zion 2085b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 2086b1d90e6bSRabie Loulou struct net_device *peer_netdev) 2087b1d90e6bSRabie Loulou { 2088b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 2089b1d90e6bSRabie Loulou 2090b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 2091b1d90e6bSRabie Loulou 2092b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 2093b1d90e6bSRabie Loulou (priv->netdev->netdev_ops == peer_netdev->netdev_ops) && 2094b1d90e6bSRabie Loulou same_hw_devs(priv, peer_priv) && 2095b1d90e6bSRabie Loulou MLX5_VPORT_MANAGER(peer_priv->mdev) && 2096b1d90e6bSRabie Loulou (peer_priv->mdev->priv.eswitch->mode == SRIOV_OFFLOADS)); 2097b1d90e6bSRabie Loulou } 2098b1d90e6bSRabie Loulou 2099ce99f6b9SOr Gerlitz static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, 2100ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 2101ce99f6b9SOr Gerlitz struct net_device **out_dev, 2102ce99f6b9SOr Gerlitz struct flowi6 *fl6, 2103ce99f6b9SOr Gerlitz struct neighbour **out_n, 2104ce99f6b9SOr Gerlitz int *out_ttl) 2105ce99f6b9SOr Gerlitz { 2106ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2107ce99f6b9SOr Gerlitz struct dst_entry *dst; 2108ce99f6b9SOr Gerlitz 2109ce99f6b9SOr Gerlitz #if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6) 211074bd5d56SArnd Bergmann struct mlx5e_rep_priv *uplink_rpriv; 2111ce99f6b9SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2112ce99f6b9SOr Gerlitz int ret; 2113ce99f6b9SOr Gerlitz 211408820528SPaul Blakey ret = ipv6_stub->ipv6_dst_lookup(dev_net(mirred_dev), NULL, &dst, 211508820528SPaul Blakey fl6); 211608820528SPaul Blakey if (ret < 0) 2117ce99f6b9SOr Gerlitz return ret; 2118ce99f6b9SOr Gerlitz 2119ce99f6b9SOr Gerlitz *out_ttl = ip6_dst_hoplimit(dst); 2120ce99f6b9SOr Gerlitz 2121a4b97ab4SMark Bloch uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2122ce99f6b9SOr Gerlitz /* if the egress device isn't on the same HW e-switch, we use the uplink */ 2123ce99f6b9SOr Gerlitz if (!switchdev_port_same_parent_id(priv->netdev, dst->dev)) 21245ed99fb4SMark Bloch *out_dev = uplink_rpriv->netdev; 2125ce99f6b9SOr Gerlitz else 2126ce99f6b9SOr Gerlitz *out_dev = dst->dev; 2127ce99f6b9SOr Gerlitz #else 2128ce99f6b9SOr Gerlitz return -EOPNOTSUPP; 2129ce99f6b9SOr Gerlitz #endif 2130ce99f6b9SOr Gerlitz 2131ce99f6b9SOr Gerlitz n = dst_neigh_lookup(dst, &fl6->daddr); 2132ce99f6b9SOr Gerlitz dst_release(dst); 2133ce99f6b9SOr Gerlitz if (!n) 2134ce99f6b9SOr Gerlitz return -ENOMEM; 2135ce99f6b9SOr Gerlitz 2136ce99f6b9SOr Gerlitz *out_n = n; 2137ce99f6b9SOr Gerlitz return 0; 2138ce99f6b9SOr Gerlitz } 2139ce99f6b9SOr Gerlitz 214032f3671fSOr Gerlitz static void gen_vxlan_header_ipv4(struct net_device *out_dev, 214132f3671fSOr Gerlitz char buf[], int encap_size, 2142a54e20b4SHadar Hen Zion unsigned char h_dest[ETH_ALEN], 2143a54e20b4SHadar Hen Zion int ttl, 2144a54e20b4SHadar Hen Zion __be32 daddr, 2145a54e20b4SHadar Hen Zion __be32 saddr, 2146a54e20b4SHadar Hen Zion __be16 udp_dst_port, 2147a54e20b4SHadar Hen Zion __be32 vx_vni) 2148a54e20b4SHadar Hen Zion { 2149a54e20b4SHadar Hen Zion struct ethhdr *eth = (struct ethhdr *)buf; 2150a54e20b4SHadar Hen Zion struct iphdr *ip = (struct iphdr *)((char *)eth + sizeof(struct ethhdr)); 2151a54e20b4SHadar Hen Zion struct udphdr *udp = (struct udphdr *)((char *)ip + sizeof(struct iphdr)); 2152a54e20b4SHadar Hen Zion struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2153a54e20b4SHadar Hen Zion 2154a54e20b4SHadar Hen Zion memset(buf, 0, encap_size); 2155a54e20b4SHadar Hen Zion 2156a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_dest, h_dest); 2157a54e20b4SHadar Hen Zion ether_addr_copy(eth->h_source, out_dev->dev_addr); 2158a54e20b4SHadar Hen Zion eth->h_proto = htons(ETH_P_IP); 2159a54e20b4SHadar Hen Zion 2160a54e20b4SHadar Hen Zion ip->daddr = daddr; 2161a54e20b4SHadar Hen Zion ip->saddr = saddr; 2162a54e20b4SHadar Hen Zion 2163a54e20b4SHadar Hen Zion ip->ttl = ttl; 2164a54e20b4SHadar Hen Zion ip->protocol = IPPROTO_UDP; 2165a54e20b4SHadar Hen Zion ip->version = 0x4; 2166a54e20b4SHadar Hen Zion ip->ihl = 0x5; 2167a54e20b4SHadar Hen Zion 2168a54e20b4SHadar Hen Zion udp->dest = udp_dst_port; 2169a54e20b4SHadar Hen Zion vxh->vx_flags = VXLAN_HF_VNI; 2170a54e20b4SHadar Hen Zion vxh->vx_vni = vxlan_vni_field(vx_vni); 2171a54e20b4SHadar Hen Zion } 2172a54e20b4SHadar Hen Zion 2173225aabafSOr Gerlitz static void gen_vxlan_header_ipv6(struct net_device *out_dev, 2174225aabafSOr Gerlitz char buf[], int encap_size, 2175ce99f6b9SOr Gerlitz unsigned char h_dest[ETH_ALEN], 2176ce99f6b9SOr Gerlitz int ttl, 2177ce99f6b9SOr Gerlitz struct in6_addr *daddr, 2178ce99f6b9SOr Gerlitz struct in6_addr *saddr, 2179ce99f6b9SOr Gerlitz __be16 udp_dst_port, 2180ce99f6b9SOr Gerlitz __be32 vx_vni) 2181ce99f6b9SOr Gerlitz { 2182ce99f6b9SOr Gerlitz struct ethhdr *eth = (struct ethhdr *)buf; 2183ce99f6b9SOr Gerlitz struct ipv6hdr *ip6h = (struct ipv6hdr *)((char *)eth + sizeof(struct ethhdr)); 2184ce99f6b9SOr Gerlitz struct udphdr *udp = (struct udphdr *)((char *)ip6h + sizeof(struct ipv6hdr)); 2185ce99f6b9SOr Gerlitz struct vxlanhdr *vxh = (struct vxlanhdr *)((char *)udp + sizeof(struct udphdr)); 2186ce99f6b9SOr Gerlitz 2187ce99f6b9SOr Gerlitz memset(buf, 0, encap_size); 2188ce99f6b9SOr Gerlitz 2189ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_dest, h_dest); 2190ce99f6b9SOr Gerlitz ether_addr_copy(eth->h_source, out_dev->dev_addr); 2191ce99f6b9SOr Gerlitz eth->h_proto = htons(ETH_P_IPV6); 2192ce99f6b9SOr Gerlitz 2193ce99f6b9SOr Gerlitz ip6_flow_hdr(ip6h, 0, 0); 2194ce99f6b9SOr Gerlitz /* the HW fills up ipv6 payload len */ 2195ce99f6b9SOr Gerlitz ip6h->nexthdr = IPPROTO_UDP; 2196ce99f6b9SOr Gerlitz ip6h->hop_limit = ttl; 2197ce99f6b9SOr Gerlitz ip6h->daddr = *daddr; 2198ce99f6b9SOr Gerlitz ip6h->saddr = *saddr; 2199ce99f6b9SOr Gerlitz 2200ce99f6b9SOr Gerlitz udp->dest = udp_dst_port; 2201ce99f6b9SOr Gerlitz vxh->vx_flags = VXLAN_HF_VNI; 2202ce99f6b9SOr Gerlitz vxh->vx_vni = vxlan_vni_field(vx_vni); 2203ce99f6b9SOr Gerlitz } 2204ce99f6b9SOr Gerlitz 2205a54e20b4SHadar Hen Zion static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, 2206a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 22071a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2208a54e20b4SHadar Hen Zion { 2209a54e20b4SHadar Hen Zion int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 221032f3671fSOr Gerlitz int ipv4_encap_size = ETH_HLEN + sizeof(struct iphdr) + VXLAN_HLEN; 221176f7444dSOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 22121a8552bdSHadar Hen Zion struct net_device *out_dev; 2213a42485ebSOr Gerlitz struct neighbour *n = NULL; 2214a54e20b4SHadar Hen Zion struct flowi4 fl4 = {}; 2215a54e20b4SHadar Hen Zion char *encap_header; 221632f3671fSOr Gerlitz int ttl, err; 2217033354d5SHadar Hen Zion u8 nud_state; 2218a54e20b4SHadar Hen Zion 221932f3671fSOr Gerlitz if (max_encap_size < ipv4_encap_size) { 222032f3671fSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 222132f3671fSOr Gerlitz ipv4_encap_size, max_encap_size); 222232f3671fSOr Gerlitz return -EOPNOTSUPP; 222332f3671fSOr Gerlitz } 222432f3671fSOr Gerlitz 222532f3671fSOr Gerlitz encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL); 2226a54e20b4SHadar Hen Zion if (!encap_header) 2227a54e20b4SHadar Hen Zion return -ENOMEM; 2228a54e20b4SHadar Hen Zion 2229a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 2230a54e20b4SHadar Hen Zion case MLX5_HEADER_TYPE_VXLAN: 2231a54e20b4SHadar Hen Zion fl4.flowi4_proto = IPPROTO_UDP; 223276f7444dSOr Gerlitz fl4.fl4_dport = tun_key->tp_dst; 2233a54e20b4SHadar Hen Zion break; 2234a54e20b4SHadar Hen Zion default: 2235a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2236ace74321SPaul Blakey goto free_encap; 2237a54e20b4SHadar Hen Zion } 22389a941117SOr Gerlitz fl4.flowi4_tos = tun_key->tos; 223976f7444dSOr Gerlitz fl4.daddr = tun_key->u.ipv4.dst; 22409a941117SOr Gerlitz fl4.saddr = tun_key->u.ipv4.src; 2241a54e20b4SHadar Hen Zion 22421a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv4(priv, mirred_dev, &out_dev, 22439a941117SOr Gerlitz &fl4, &n, &ttl); 2244a54e20b4SHadar Hen Zion if (err) 2245ace74321SPaul Blakey goto free_encap; 2246a54e20b4SHadar Hen Zion 2247232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2248232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2249232c0013SHadar Hen Zion */ 2250232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2251f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2252232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2253232c0013SHadar Hen Zion e->out_dev = out_dev; 2254232c0013SHadar Hen Zion 2255232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2256232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2257232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2258232c0013SHadar Hen Zion * in the hash. 2259232c0013SHadar Hen Zion */ 2260232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2261232c0013SHadar Hen Zion if (err) 2262ace74321SPaul Blakey goto free_encap; 2263232c0013SHadar Hen Zion 2264033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2265033354d5SHadar Hen Zion nud_state = n->nud_state; 2266033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2267033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2268033354d5SHadar Hen Zion 2269a54e20b4SHadar Hen Zion switch (e->tunnel_type) { 2270a54e20b4SHadar Hen Zion case MLX5_HEADER_TYPE_VXLAN: 22711a8552bdSHadar Hen Zion gen_vxlan_header_ipv4(out_dev, encap_header, 227232f3671fSOr Gerlitz ipv4_encap_size, e->h_dest, ttl, 22739a941117SOr Gerlitz fl4.daddr, 22749a941117SOr Gerlitz fl4.saddr, tun_key->tp_dst, 227576f7444dSOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2276a54e20b4SHadar Hen Zion break; 2277a54e20b4SHadar Hen Zion default: 2278a54e20b4SHadar Hen Zion err = -EOPNOTSUPP; 2279232c0013SHadar Hen Zion goto destroy_neigh_entry; 2280232c0013SHadar Hen Zion } 2281232c0013SHadar Hen Zion e->encap_size = ipv4_encap_size; 2282232c0013SHadar Hen Zion e->encap_header = encap_header; 2283232c0013SHadar Hen Zion 2284232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2285232c0013SHadar Hen Zion neigh_event_send(n, NULL); 228627902f08SWei Yongjun err = -EAGAIN; 228727902f08SWei Yongjun goto out; 2288a54e20b4SHadar Hen Zion } 2289a54e20b4SHadar Hen Zion 2290a54e20b4SHadar Hen Zion err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 229132f3671fSOr Gerlitz ipv4_encap_size, encap_header, &e->encap_id); 2292232c0013SHadar Hen Zion if (err) 2293232c0013SHadar Hen Zion goto destroy_neigh_entry; 2294232c0013SHadar Hen Zion 2295232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2296f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2297a42485ebSOr Gerlitz neigh_release(n); 2298232c0013SHadar Hen Zion return err; 2299232c0013SHadar Hen Zion 2300232c0013SHadar Hen Zion destroy_neigh_entry: 2301232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2302ace74321SPaul Blakey free_encap: 2303a54e20b4SHadar Hen Zion kfree(encap_header); 2304ace74321SPaul Blakey out: 2305232c0013SHadar Hen Zion if (n) 2306232c0013SHadar Hen Zion neigh_release(n); 2307a54e20b4SHadar Hen Zion return err; 2308a54e20b4SHadar Hen Zion } 2309a54e20b4SHadar Hen Zion 2310ce99f6b9SOr Gerlitz static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv, 2311ce99f6b9SOr Gerlitz struct net_device *mirred_dev, 23121a8552bdSHadar Hen Zion struct mlx5e_encap_entry *e) 2313ce99f6b9SOr Gerlitz { 2314ce99f6b9SOr Gerlitz int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); 2315225aabafSOr Gerlitz int ipv6_encap_size = ETH_HLEN + sizeof(struct ipv6hdr) + VXLAN_HLEN; 2316ce99f6b9SOr Gerlitz struct ip_tunnel_key *tun_key = &e->tun_info.key; 23171a8552bdSHadar Hen Zion struct net_device *out_dev; 2318ce99f6b9SOr Gerlitz struct neighbour *n = NULL; 2319ce99f6b9SOr Gerlitz struct flowi6 fl6 = {}; 2320ce99f6b9SOr Gerlitz char *encap_header; 2321225aabafSOr Gerlitz int err, ttl = 0; 2322033354d5SHadar Hen Zion u8 nud_state; 2323ce99f6b9SOr Gerlitz 2324225aabafSOr Gerlitz if (max_encap_size < ipv6_encap_size) { 2325225aabafSOr Gerlitz mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", 2326225aabafSOr Gerlitz ipv6_encap_size, max_encap_size); 2327225aabafSOr Gerlitz return -EOPNOTSUPP; 2328225aabafSOr Gerlitz } 2329225aabafSOr Gerlitz 2330225aabafSOr Gerlitz encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL); 2331ce99f6b9SOr Gerlitz if (!encap_header) 2332ce99f6b9SOr Gerlitz return -ENOMEM; 2333ce99f6b9SOr Gerlitz 2334ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 2335ce99f6b9SOr Gerlitz case MLX5_HEADER_TYPE_VXLAN: 2336ce99f6b9SOr Gerlitz fl6.flowi6_proto = IPPROTO_UDP; 2337ce99f6b9SOr Gerlitz fl6.fl6_dport = tun_key->tp_dst; 2338ce99f6b9SOr Gerlitz break; 2339ce99f6b9SOr Gerlitz default: 2340ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2341ace74321SPaul Blakey goto free_encap; 2342ce99f6b9SOr Gerlitz } 2343ce99f6b9SOr Gerlitz 2344ce99f6b9SOr Gerlitz fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label); 2345ce99f6b9SOr Gerlitz fl6.daddr = tun_key->u.ipv6.dst; 2346ce99f6b9SOr Gerlitz fl6.saddr = tun_key->u.ipv6.src; 2347ce99f6b9SOr Gerlitz 23481a8552bdSHadar Hen Zion err = mlx5e_route_lookup_ipv6(priv, mirred_dev, &out_dev, 2349ce99f6b9SOr Gerlitz &fl6, &n, &ttl); 2350ce99f6b9SOr Gerlitz if (err) 2351ace74321SPaul Blakey goto free_encap; 2352ce99f6b9SOr Gerlitz 2353232c0013SHadar Hen Zion /* used by mlx5e_detach_encap to lookup a neigh hash table 2354232c0013SHadar Hen Zion * entry in the neigh hash table when a user deletes a rule 2355232c0013SHadar Hen Zion */ 2356232c0013SHadar Hen Zion e->m_neigh.dev = n->dev; 2357f6dfb4c3SHadar Hen Zion e->m_neigh.family = n->ops->family; 2358232c0013SHadar Hen Zion memcpy(&e->m_neigh.dst_ip, n->primary_key, n->tbl->key_len); 2359232c0013SHadar Hen Zion e->out_dev = out_dev; 2360232c0013SHadar Hen Zion 2361232c0013SHadar Hen Zion /* It's importent to add the neigh to the hash table before checking 2362232c0013SHadar Hen Zion * the neigh validity state. So if we'll get a notification, in case the 2363232c0013SHadar Hen Zion * neigh changes it's validity state, we would find the relevant neigh 2364232c0013SHadar Hen Zion * in the hash. 2365232c0013SHadar Hen Zion */ 2366232c0013SHadar Hen Zion err = mlx5e_rep_encap_entry_attach(netdev_priv(out_dev), e); 2367232c0013SHadar Hen Zion if (err) 2368ace74321SPaul Blakey goto free_encap; 2369232c0013SHadar Hen Zion 2370033354d5SHadar Hen Zion read_lock_bh(&n->lock); 2371033354d5SHadar Hen Zion nud_state = n->nud_state; 2372033354d5SHadar Hen Zion ether_addr_copy(e->h_dest, n->ha); 2373033354d5SHadar Hen Zion read_unlock_bh(&n->lock); 2374033354d5SHadar Hen Zion 2375ce99f6b9SOr Gerlitz switch (e->tunnel_type) { 2376ce99f6b9SOr Gerlitz case MLX5_HEADER_TYPE_VXLAN: 23771a8552bdSHadar Hen Zion gen_vxlan_header_ipv6(out_dev, encap_header, 2378225aabafSOr Gerlitz ipv6_encap_size, e->h_dest, ttl, 2379ce99f6b9SOr Gerlitz &fl6.daddr, 2380ce99f6b9SOr Gerlitz &fl6.saddr, tun_key->tp_dst, 2381ce99f6b9SOr Gerlitz tunnel_id_to_key32(tun_key->tun_id)); 2382ce99f6b9SOr Gerlitz break; 2383ce99f6b9SOr Gerlitz default: 2384ce99f6b9SOr Gerlitz err = -EOPNOTSUPP; 2385232c0013SHadar Hen Zion goto destroy_neigh_entry; 2386232c0013SHadar Hen Zion } 2387232c0013SHadar Hen Zion 2388232c0013SHadar Hen Zion e->encap_size = ipv6_encap_size; 2389232c0013SHadar Hen Zion e->encap_header = encap_header; 2390232c0013SHadar Hen Zion 2391232c0013SHadar Hen Zion if (!(nud_state & NUD_VALID)) { 2392232c0013SHadar Hen Zion neigh_event_send(n, NULL); 239327902f08SWei Yongjun err = -EAGAIN; 239427902f08SWei Yongjun goto out; 2395ce99f6b9SOr Gerlitz } 2396ce99f6b9SOr Gerlitz 2397ce99f6b9SOr Gerlitz err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, 2398225aabafSOr Gerlitz ipv6_encap_size, encap_header, &e->encap_id); 2399232c0013SHadar Hen Zion if (err) 2400232c0013SHadar Hen Zion goto destroy_neigh_entry; 2401232c0013SHadar Hen Zion 2402232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 2403f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(netdev_priv(out_dev)); 2404ce99f6b9SOr Gerlitz neigh_release(n); 2405232c0013SHadar Hen Zion return err; 2406232c0013SHadar Hen Zion 2407232c0013SHadar Hen Zion destroy_neigh_entry: 2408232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 2409ace74321SPaul Blakey free_encap: 2410ce99f6b9SOr Gerlitz kfree(encap_header); 2411ace74321SPaul Blakey out: 2412232c0013SHadar Hen Zion if (n) 2413232c0013SHadar Hen Zion neigh_release(n); 2414ce99f6b9SOr Gerlitz return err; 2415ce99f6b9SOr Gerlitz } 2416ce99f6b9SOr Gerlitz 2417a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 2418a54e20b4SHadar Hen Zion struct ip_tunnel_info *tun_info, 2419a54e20b4SHadar Hen Zion struct net_device *mirred_dev, 242045247bf2SOr Gerlitz struct net_device **encap_dev, 242145247bf2SOr Gerlitz struct mlx5e_tc_flow *flow) 242203a9d11eSOr Gerlitz { 2423a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2424a4b97ab4SMark Bloch struct mlx5e_rep_priv *uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, 2425a4b97ab4SMark Bloch REP_ETH); 24265ed99fb4SMark Bloch struct net_device *up_dev = uplink_rpriv->netdev; 2427a54e20b4SHadar Hen Zion unsigned short family = ip_tunnel_info_af(tun_info); 242845247bf2SOr Gerlitz struct mlx5e_priv *up_priv = netdev_priv(up_dev); 242945247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 2430a54e20b4SHadar Hen Zion struct ip_tunnel_key *key = &tun_info->key; 2431c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 243245247bf2SOr Gerlitz int tunnel_type, err = 0; 2433a54e20b4SHadar Hen Zion uintptr_t hash_key; 2434a54e20b4SHadar Hen Zion bool found = false; 2435a54e20b4SHadar Hen Zion 24362fcd82e9SOr Gerlitz /* udp dst port must be set */ 2437a54e20b4SHadar Hen Zion if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst))) 24382fcd82e9SOr Gerlitz goto vxlan_encap_offload_err; 2439a54e20b4SHadar Hen Zion 2440cd377663SOr Gerlitz /* setting udp src port isn't supported */ 24412fcd82e9SOr Gerlitz if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) { 24422fcd82e9SOr Gerlitz vxlan_encap_offload_err: 24432fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 24442fcd82e9SOr Gerlitz "must set udp dst port and not set udp src port\n"); 2445cd377663SOr Gerlitz return -EOPNOTSUPP; 24462fcd82e9SOr Gerlitz } 2447cd377663SOr Gerlitz 24481ad9a00aSPaul Blakey if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->tp_dst)) && 2449a54e20b4SHadar Hen Zion MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { 2450a54e20b4SHadar Hen Zion tunnel_type = MLX5_HEADER_TYPE_VXLAN; 2451a54e20b4SHadar Hen Zion } else { 24522fcd82e9SOr Gerlitz netdev_warn(priv->netdev, 24532fcd82e9SOr Gerlitz "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->tp_dst)); 2454a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 2455a54e20b4SHadar Hen Zion } 2456a54e20b4SHadar Hen Zion 245776f7444dSOr Gerlitz hash_key = hash_encap_info(key); 2458a54e20b4SHadar Hen Zion 2459a54e20b4SHadar Hen Zion hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 2460a54e20b4SHadar Hen Zion encap_hlist, hash_key) { 246176f7444dSOr Gerlitz if (!cmp_encap_info(&e->tun_info.key, key)) { 2462a54e20b4SHadar Hen Zion found = true; 2463a54e20b4SHadar Hen Zion break; 2464a54e20b4SHadar Hen Zion } 2465a54e20b4SHadar Hen Zion } 2466a54e20b4SHadar Hen Zion 2467b2812089SVlad Buslov /* must verify if encap is valid or not */ 246845247bf2SOr Gerlitz if (found) 246945247bf2SOr Gerlitz goto attach_flow; 2470a54e20b4SHadar Hen Zion 2471a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 2472a54e20b4SHadar Hen Zion if (!e) 2473a54e20b4SHadar Hen Zion return -ENOMEM; 2474a54e20b4SHadar Hen Zion 247576f7444dSOr Gerlitz e->tun_info = *tun_info; 2476a54e20b4SHadar Hen Zion e->tunnel_type = tunnel_type; 2477a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 2478a54e20b4SHadar Hen Zion 2479ce99f6b9SOr Gerlitz if (family == AF_INET) 24801a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv4(priv, mirred_dev, e); 2481ce99f6b9SOr Gerlitz else if (family == AF_INET6) 24821a8552bdSHadar Hen Zion err = mlx5e_create_encap_header_ipv6(priv, mirred_dev, e); 2483ce99f6b9SOr Gerlitz 2484232c0013SHadar Hen Zion if (err && err != -EAGAIN) 2485a54e20b4SHadar Hen Zion goto out_err; 2486a54e20b4SHadar Hen Zion 2487a54e20b4SHadar Hen Zion hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 2488a54e20b4SHadar Hen Zion 248945247bf2SOr Gerlitz attach_flow: 249045247bf2SOr Gerlitz list_add(&flow->encap, &e->flows); 249145247bf2SOr Gerlitz *encap_dev = e->out_dev; 2492232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 249345247bf2SOr Gerlitz attr->encap_id = e->encap_id; 2494b2812089SVlad Buslov else 2495b2812089SVlad Buslov err = -EAGAIN; 249645247bf2SOr Gerlitz 2497232c0013SHadar Hen Zion return err; 2498a54e20b4SHadar Hen Zion 2499a54e20b4SHadar Hen Zion out_err: 2500a54e20b4SHadar Hen Zion kfree(e); 2501a54e20b4SHadar Hen Zion return err; 2502a54e20b4SHadar Hen Zion } 2503a54e20b4SHadar Hen Zion 2504a54e20b4SHadar Hen Zion static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, 2505d7e75a32SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 2506a54e20b4SHadar Hen Zion struct mlx5e_tc_flow *flow) 2507a54e20b4SHadar Hen Zion { 2508ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 25091d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 2510a54e20b4SHadar Hen Zion struct ip_tunnel_info *info = NULL; 251103a9d11eSOr Gerlitz const struct tc_action *a; 251222dc13c8SWANG Cong LIST_HEAD(actions); 2513a54e20b4SHadar Hen Zion bool encap = false; 25141cab1cd7SOr Gerlitz u32 action = 0; 251503a9d11eSOr Gerlitz 25163bcc0cecSJiri Pirko if (!tcf_exts_has_actions(exts)) 251703a9d11eSOr Gerlitz return -EINVAL; 251803a9d11eSOr Gerlitz 25191d447a39SSaeed Mahameed attr->in_rep = rpriv->rep; 252010ff5359SShahar Klein attr->in_mdev = priv->mdev; 252103a9d11eSOr Gerlitz 252222dc13c8SWANG Cong tcf_exts_to_list(exts, &actions); 252322dc13c8SWANG Cong list_for_each_entry(a, &actions, list) { 252403a9d11eSOr Gerlitz if (is_tcf_gact_shot(a)) { 25251cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 252603a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 252703a9d11eSOr Gerlitz continue; 252803a9d11eSOr Gerlitz } 252903a9d11eSOr Gerlitz 2530d7e75a32SOr Gerlitz if (is_tcf_pedit(a)) { 253131c8eba5SOr Gerlitz int err; 253231c8eba5SOr Gerlitz 2533d7e75a32SOr Gerlitz err = parse_tc_pedit_action(priv, a, MLX5_FLOW_NAMESPACE_FDB, 2534d7e75a32SOr Gerlitz parse_attr); 2535d7e75a32SOr Gerlitz if (err) 2536d7e75a32SOr Gerlitz return err; 2537d7e75a32SOr Gerlitz 25381cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 2539d7e75a32SOr Gerlitz continue; 2540d7e75a32SOr Gerlitz } 2541d7e75a32SOr Gerlitz 254226c02749SOr Gerlitz if (is_tcf_csum(a)) { 25431cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 254426c02749SOr Gerlitz tcf_csum_update_flags(a))) 254526c02749SOr Gerlitz continue; 254626c02749SOr Gerlitz 254726c02749SOr Gerlitz return -EOPNOTSUPP; 254826c02749SOr Gerlitz } 254926c02749SOr Gerlitz 25505724b8b5SShmulik Ladkani if (is_tcf_mirred_egress_redirect(a)) { 25513c37745eSOr Gerlitz struct net_device *out_dev; 255203a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 255303a9d11eSOr Gerlitz 25549f8a739eSCong Wang out_dev = tcf_mirred_dev(a); 255503a9d11eSOr Gerlitz 2556a54e20b4SHadar Hen Zion if (switchdev_port_same_parent_id(priv->netdev, 2557b1d90e6bSRabie Loulou out_dev) || 2558b1d90e6bSRabie Loulou is_merged_eswitch_dev(priv, out_dev)) { 25591cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2560e37a79e5SMark Bloch MLX5_FLOW_CONTEXT_ACTION_COUNT; 256103a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 25621d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 25631d447a39SSaeed Mahameed attr->out_rep = rpriv->rep; 256456e858dfSRabie Loulou attr->out_mdev = out_priv->mdev; 2565a54e20b4SHadar Hen Zion } else if (encap) { 25669f8a739eSCong Wang parse_attr->mirred_ifindex = out_dev->ifindex; 25673c37745eSOr Gerlitz parse_attr->tun_info = *info; 25683c37745eSOr Gerlitz attr->parse_attr = parse_attr; 25691cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_ENCAP | 2570a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 2571a54e20b4SHadar Hen Zion MLX5_FLOW_CONTEXT_ACTION_COUNT; 25723c37745eSOr Gerlitz /* attr->out_rep is resolved when we handle encap */ 2573a54e20b4SHadar Hen Zion } else { 2574a54e20b4SHadar Hen Zion pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", 2575a54e20b4SHadar Hen Zion priv->netdev->name, out_dev->name); 2576a54e20b4SHadar Hen Zion return -EINVAL; 2577a54e20b4SHadar Hen Zion } 2578a54e20b4SHadar Hen Zion continue; 2579a54e20b4SHadar Hen Zion } 2580a54e20b4SHadar Hen Zion 2581a54e20b4SHadar Hen Zion if (is_tcf_tunnel_set(a)) { 2582a54e20b4SHadar Hen Zion info = tcf_tunnel_info(a); 2583a54e20b4SHadar Hen Zion if (info) 2584a54e20b4SHadar Hen Zion encap = true; 2585a54e20b4SHadar Hen Zion else 2586a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 258703a9d11eSOr Gerlitz continue; 258803a9d11eSOr Gerlitz } 258903a9d11eSOr Gerlitz 25908b32580dSOr Gerlitz if (is_tcf_vlan(a)) { 259109c91ddfSOr Gerlitz if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { 25921cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 259309c91ddfSOr Gerlitz } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { 25941cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 25956acfbf38SOr Gerlitz attr->vlan_vid = tcf_vlan_push_vid(a); 25966acfbf38SOr Gerlitz if (mlx5_eswitch_vlan_actions_supported(priv->mdev)) { 25976acfbf38SOr Gerlitz attr->vlan_prio = tcf_vlan_push_prio(a); 25986acfbf38SOr Gerlitz attr->vlan_proto = tcf_vlan_push_proto(a); 25996acfbf38SOr Gerlitz if (!attr->vlan_proto) 26006acfbf38SOr Gerlitz attr->vlan_proto = htons(ETH_P_8021Q); 26016acfbf38SOr Gerlitz } else if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q) || 26026acfbf38SOr Gerlitz tcf_vlan_push_prio(a)) { 26036acfbf38SOr Gerlitz return -EOPNOTSUPP; 26046acfbf38SOr Gerlitz } 260509c91ddfSOr Gerlitz } else { /* action is TCA_VLAN_ACT_MODIFY */ 260609c91ddfSOr Gerlitz return -EOPNOTSUPP; 26078b32580dSOr Gerlitz } 26088b32580dSOr Gerlitz continue; 26098b32580dSOr Gerlitz } 26108b32580dSOr Gerlitz 2611bbd00f7eSHadar Hen Zion if (is_tcf_tunnel_release(a)) { 26121cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2613bbd00f7eSHadar Hen Zion continue; 2614bbd00f7eSHadar Hen Zion } 2615bbd00f7eSHadar Hen Zion 261603a9d11eSOr Gerlitz return -EINVAL; 261703a9d11eSOr Gerlitz } 2618bdd66ac0SOr Gerlitz 26191cab1cd7SOr Gerlitz attr->action = action; 2620bdd66ac0SOr Gerlitz if (!actions_match_supported(priv, exts, parse_attr, flow)) 2621bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 2622bdd66ac0SOr Gerlitz 262331c8eba5SOr Gerlitz return 0; 262403a9d11eSOr Gerlitz } 262503a9d11eSOr Gerlitz 262660bd4af8SOr Gerlitz static void get_flags(int flags, u8 *flow_flags) 262760bd4af8SOr Gerlitz { 262860bd4af8SOr Gerlitz u8 __flow_flags = 0; 262960bd4af8SOr Gerlitz 263060bd4af8SOr Gerlitz if (flags & MLX5E_TC_INGRESS) 263160bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_INGRESS; 263260bd4af8SOr Gerlitz if (flags & MLX5E_TC_EGRESS) 263360bd4af8SOr Gerlitz __flow_flags |= MLX5E_TC_FLOW_EGRESS; 263460bd4af8SOr Gerlitz 263560bd4af8SOr Gerlitz *flow_flags = __flow_flags; 263660bd4af8SOr Gerlitz } 263760bd4af8SOr Gerlitz 263805866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 263905866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 264005866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 264105866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 264205866c82SOr Gerlitz .automatic_shrinking = true, 264305866c82SOr Gerlitz }; 264405866c82SOr Gerlitz 264505866c82SOr Gerlitz static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv) 264605866c82SOr Gerlitz { 2647655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 2648655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 2649655dc3d2SOr Gerlitz 2650655dc3d2SOr Gerlitz if (MLX5_VPORT_MANAGER(priv->mdev) && esw->mode == SRIOV_OFFLOADS) { 2651655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 2652655dc3d2SOr Gerlitz return &uplink_rpriv->tc_ht; 2653655dc3d2SOr Gerlitz } else 265405866c82SOr Gerlitz return &priv->fs.tc.ht; 265505866c82SOr Gerlitz } 265605866c82SOr Gerlitz 26575fd9fc4eSJiri Pirko int mlx5e_configure_flower(struct mlx5e_priv *priv, 265860bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 2659e3a2b7edSAmir Vadai { 2660adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 266117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 266205866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 26633bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 26643bc4b7bfSOr Gerlitz int attr_size, err = 0; 266565ba8fb7SOr Gerlitz u8 flow_flags = 0; 2666e3a2b7edSAmir Vadai 266760bd4af8SOr Gerlitz get_flags(flags, &flow_flags); 266860bd4af8SOr Gerlitz 266965ba8fb7SOr Gerlitz if (esw && esw->mode == SRIOV_OFFLOADS) { 267060bd4af8SOr Gerlitz flow_flags |= MLX5E_TC_FLOW_ESWITCH; 267165ba8fb7SOr Gerlitz attr_size = sizeof(struct mlx5_esw_flow_attr); 26723bc4b7bfSOr Gerlitz } else { 267360bd4af8SOr Gerlitz flow_flags |= MLX5E_TC_FLOW_NIC; 26743bc4b7bfSOr Gerlitz attr_size = sizeof(struct mlx5_nic_flow_attr); 267565ba8fb7SOr Gerlitz } 2676776b12b6SOr Gerlitz 267765ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 26781b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 267917091853SOr Gerlitz if (!parse_attr || !flow) { 2680e3a2b7edSAmir Vadai err = -ENOMEM; 2681e3a2b7edSAmir Vadai goto err_free; 2682e3a2b7edSAmir Vadai } 2683e3a2b7edSAmir Vadai 2684e3a2b7edSAmir Vadai flow->cookie = f->cookie; 268565ba8fb7SOr Gerlitz flow->flags = flow_flags; 2686655dc3d2SOr Gerlitz flow->priv = priv; 2687e3a2b7edSAmir Vadai 268817091853SOr Gerlitz err = parse_cls_flower(priv, flow, &parse_attr->spec, f); 2689e3a2b7edSAmir Vadai if (err < 0) 2690e3a2b7edSAmir Vadai goto err_free; 2691e3a2b7edSAmir Vadai 269265ba8fb7SOr Gerlitz if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { 2693d7e75a32SOr Gerlitz err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow); 2694adb4c123SOr Gerlitz if (err < 0) 26953c37745eSOr Gerlitz goto err_free; 2696aa0cbbaeSOr Gerlitz flow->rule = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow); 2697adb4c123SOr Gerlitz } else { 2698aa0cbbaeSOr Gerlitz err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow); 2699e3a2b7edSAmir Vadai if (err < 0) 2700e3a2b7edSAmir Vadai goto err_free; 2701aa0cbbaeSOr Gerlitz flow->rule = mlx5e_tc_add_nic_flow(priv, parse_attr, flow); 2702adb4c123SOr Gerlitz } 2703adb4c123SOr Gerlitz 27045c40348cSOr Gerlitz if (IS_ERR(flow->rule)) { 27055c40348cSOr Gerlitz err = PTR_ERR(flow->rule); 27063c37745eSOr Gerlitz if (err != -EAGAIN) 2707aa0cbbaeSOr Gerlitz goto err_free; 27085c40348cSOr Gerlitz } 27095c40348cSOr Gerlitz 27103c37745eSOr Gerlitz if (err != -EAGAIN) 27110b67a38fSHadar Hen Zion flow->flags |= MLX5E_TC_FLOW_OFFLOADED; 27123c37745eSOr Gerlitz 2713af1607c3SJianbo Liu if (!(flow->flags & MLX5E_TC_FLOW_ESWITCH) || 2714232c0013SHadar Hen Zion !(flow->esw_attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP)) 2715232c0013SHadar Hen Zion kvfree(parse_attr); 2716e3a2b7edSAmir Vadai 271705866c82SOr Gerlitz err = rhashtable_insert_fast(tc_ht, &flow->node, tc_ht_params); 2718af1607c3SJianbo Liu if (err) { 27195e86397aSOr Gerlitz mlx5e_tc_del_flow(priv, flow); 2720af1607c3SJianbo Liu kfree(flow); 2721af1607c3SJianbo Liu } 2722af1607c3SJianbo Liu 2723af1607c3SJianbo Liu return err; 2724e3a2b7edSAmir Vadai 2725e3a2b7edSAmir Vadai err_free: 272617091853SOr Gerlitz kvfree(parse_attr); 2727232c0013SHadar Hen Zion kfree(flow); 2728e3a2b7edSAmir Vadai return err; 2729e3a2b7edSAmir Vadai } 2730e3a2b7edSAmir Vadai 2731e3a2b7edSAmir Vadai int mlx5e_delete_flower(struct mlx5e_priv *priv, 273260bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 2733e3a2b7edSAmir Vadai { 273405866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 2735e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 2736e3a2b7edSAmir Vadai 273705866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 2738e3a2b7edSAmir Vadai if (!flow) 2739e3a2b7edSAmir Vadai return -EINVAL; 2740e3a2b7edSAmir Vadai 274105866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 2742e3a2b7edSAmir Vadai 2743961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2744e3a2b7edSAmir Vadai 2745e3a2b7edSAmir Vadai kfree(flow); 2746e3a2b7edSAmir Vadai 2747e3a2b7edSAmir Vadai return 0; 2748e3a2b7edSAmir Vadai } 2749e3a2b7edSAmir Vadai 2750aad7e08dSAmir Vadai int mlx5e_stats_flower(struct mlx5e_priv *priv, 275160bd4af8SOr Gerlitz struct tc_cls_flower_offload *f, int flags) 2752aad7e08dSAmir Vadai { 275305866c82SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv); 2754aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 2755aad7e08dSAmir Vadai struct mlx5_fc *counter; 2756aad7e08dSAmir Vadai u64 bytes; 2757aad7e08dSAmir Vadai u64 packets; 2758aad7e08dSAmir Vadai u64 lastuse; 2759aad7e08dSAmir Vadai 276005866c82SOr Gerlitz flow = rhashtable_lookup_fast(tc_ht, &f->cookie, tc_ht_params); 2761aad7e08dSAmir Vadai if (!flow) 2762aad7e08dSAmir Vadai return -EINVAL; 2763aad7e08dSAmir Vadai 27640b67a38fSHadar Hen Zion if (!(flow->flags & MLX5E_TC_FLOW_OFFLOADED)) 27650b67a38fSHadar Hen Zion return 0; 27660b67a38fSHadar Hen Zion 2767aad7e08dSAmir Vadai counter = mlx5_flow_rule_counter(flow->rule); 2768aad7e08dSAmir Vadai if (!counter) 2769aad7e08dSAmir Vadai return 0; 2770aad7e08dSAmir Vadai 2771aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 2772aad7e08dSAmir Vadai 2773d897a638SJakub Kicinski tcf_exts_stats_update(f->exts, bytes, packets, lastuse); 2774fed06ee8SOr Gerlitz 2775aad7e08dSAmir Vadai return 0; 2776aad7e08dSAmir Vadai } 2777aad7e08dSAmir Vadai 2778655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 2779e8f887acSAmir Vadai { 2780acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 2781e8f887acSAmir Vadai 278211c9c548SOr Gerlitz hash_init(tc->mod_hdr_tbl); 27835c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 278411c9c548SOr Gerlitz 278505866c82SOr Gerlitz return rhashtable_init(&tc->ht, &tc_ht_params); 2786e8f887acSAmir Vadai } 2787e8f887acSAmir Vadai 2788e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 2789e8f887acSAmir Vadai { 2790e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 2791655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 2792e8f887acSAmir Vadai 2793961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 2794e8f887acSAmir Vadai kfree(flow); 2795e8f887acSAmir Vadai } 2796e8f887acSAmir Vadai 2797655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 2798e8f887acSAmir Vadai { 2799acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 2800e8f887acSAmir Vadai 2801655dc3d2SOr Gerlitz rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 2802e8f887acSAmir Vadai 2803acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 2804acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 2805acff797cSMaor Gottlieb tc->t = NULL; 2806e8f887acSAmir Vadai } 2807e8f887acSAmir Vadai } 2808655dc3d2SOr Gerlitz 2809655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 2810655dc3d2SOr Gerlitz { 2811655dc3d2SOr Gerlitz return rhashtable_init(tc_ht, &tc_ht_params); 2812655dc3d2SOr Gerlitz } 2813655dc3d2SOr Gerlitz 2814655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 2815655dc3d2SOr Gerlitz { 2816655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 2817655dc3d2SOr Gerlitz } 2818