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> 415a7e5bcbSVlad Buslov #include <linux/refcount.h> 42db76ca24SVlad Buslov #include <linux/completion.h> 4303a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 44776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 45bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 46d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4726c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 48f6dfb4c3SHadar Hen Zion #include <net/arp.h> 493616d08bSDavid Ahern #include <net/ipv6_stubs.h> 50e8f887acSAmir Vadai #include "en.h" 511d447a39SSaeed Mahameed #include "en_rep.h" 52232c0013SHadar Hen Zion #include "en_tc.h" 5303a9d11eSOr Gerlitz #include "eswitch.h" 5439ac237cSPaul Blakey #include "eswitch_offloads_chains.h" 553f6d08d1SOr Gerlitz #include "fs_core.h" 562c81bfd5SHuy Nguyen #include "en/port.h" 57101f4de9SOz Shlomo #include "en/tc_tun.h" 580a7fcb78SPaul Blakey #include "en/mapping.h" 594c3844d9SPaul Blakey #include "en/tc_ct.h" 6004de7ddaSRoi Dayan #include "lib/devcom.h" 619272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 627a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 63e8f887acSAmir Vadai 640a7fcb78SPaul Blakey #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) 650a7fcb78SPaul Blakey 663bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 673bc4b7bfSOr Gerlitz u32 action; 683bc4b7bfSOr Gerlitz u32 flow_tag; 692b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 705c65c564SOr Gerlitz u32 hairpin_tirn; 7138aa51c1SOr Gerlitz u8 match_level; 723f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 73b8aee822SMark Bloch struct mlx5_fc *counter; 743bc4b7bfSOr Gerlitz }; 753bc4b7bfSOr Gerlitz 76226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 7760bd4af8SOr Gerlitz 7865ba8fb7SOr Gerlitz enum { 79226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 80226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 81226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 8284179981SPaul Blakey MLX5E_TC_FLOW_FLAG_FT = MLX5E_TC_FLAG_FT_OFFLOAD_BIT, 83226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 84226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 85226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 86226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 87226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 88226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 89226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 90c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 914c3844d9SPaul Blakey MLX5E_TC_FLOW_FLAG_CT = MLX5E_TC_FLOW_BASE + 7, 9265ba8fb7SOr Gerlitz }; 9365ba8fb7SOr Gerlitz 94e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 95e4ad91f2SChris Mi 9679baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 9779baaec7SEli Britstein * Containing struct 9879baaec7SEli Britstein * |- Helper array 9979baaec7SEli Britstein * [0] Helper item 0 10079baaec7SEli Britstein * |- list_head item 0 10179baaec7SEli Britstein * |- index (0) 10279baaec7SEli Britstein * [1] Helper item 1 10379baaec7SEli Britstein * |- list_head item 1 10479baaec7SEli Britstein * |- index (1) 10579baaec7SEli Britstein * To access the containing struct from one of the list_head items: 10679baaec7SEli Britstein * 1. Get the helper item from the list_head item using 10779baaec7SEli Britstein * helper item = 10879baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 10979baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 11079baaec7SEli Britstein * containing struct = 11179baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 11279baaec7SEli Britstein */ 11379baaec7SEli Britstein struct encap_flow_item { 114948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 11579baaec7SEli Britstein struct list_head list; 11679baaec7SEli Britstein int index; 11779baaec7SEli Britstein }; 11879baaec7SEli Britstein 119e8f887acSAmir Vadai struct mlx5e_tc_flow { 120e8f887acSAmir Vadai struct rhash_head node; 121655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 122e8f887acSAmir Vadai u64 cookie; 123226f2ca3SVlad Buslov unsigned long flags; 124e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 12579baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 12679baaec7SEli Britstein * The number of encaps is bounded by the number of supported 12779baaec7SEli Britstein * destinations. 12879baaec7SEli Britstein */ 12979baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 13004de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 131dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh; /* attached mod header instance */ 13211c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 133e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1345c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 13504de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 136b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1372a1f1768SVlad Buslov int tmp_efi_index; 1386a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1395a7e5bcbSVlad Buslov refcount_t refcnt; 140c5d326b2SVlad Buslov struct rcu_head rcu_head; 14195435ad7SVlad Buslov struct completion init_done; 1420a7fcb78SPaul Blakey int tunnel_id; /* the mapped tunnel id of this flow */ 1430a7fcb78SPaul Blakey 1443bc4b7bfSOr Gerlitz union { 145ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1463bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1473bc4b7bfSOr Gerlitz }; 148e8f887acSAmir Vadai }; 149e8f887acSAmir Vadai 15017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1511f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 152d11afc26SOz Shlomo struct net_device *filter_dev; 15317091853SOr Gerlitz struct mlx5_flow_spec spec; 1546ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_hdr_acts; 15598b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 15617091853SOr Gerlitz }; 15717091853SOr Gerlitz 158acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 159b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 160e8f887acSAmir Vadai 1610a7fcb78SPaul Blakey struct tunnel_match_key { 1620a7fcb78SPaul Blakey struct flow_dissector_key_control enc_control; 1630a7fcb78SPaul Blakey struct flow_dissector_key_keyid enc_key_id; 1640a7fcb78SPaul Blakey struct flow_dissector_key_ports enc_tp; 1650a7fcb78SPaul Blakey struct flow_dissector_key_ip enc_ip; 1660a7fcb78SPaul Blakey union { 1670a7fcb78SPaul Blakey struct flow_dissector_key_ipv4_addrs enc_ipv4; 1680a7fcb78SPaul Blakey struct flow_dissector_key_ipv6_addrs enc_ipv6; 1690a7fcb78SPaul Blakey }; 1700a7fcb78SPaul Blakey 1710a7fcb78SPaul Blakey int filter_ifindex; 1720a7fcb78SPaul Blakey }; 1730a7fcb78SPaul Blakey 1740a7fcb78SPaul Blakey /* Tunnel_id mapping is TUNNEL_INFO_BITS + ENC_OPTS_BITS. 1750a7fcb78SPaul Blakey * Upper TUNNEL_INFO_BITS for general tunnel info. 1760a7fcb78SPaul Blakey * Lower ENC_OPTS_BITS bits for enc_opts. 1770a7fcb78SPaul Blakey */ 1780a7fcb78SPaul Blakey #define TUNNEL_INFO_BITS 6 1790a7fcb78SPaul Blakey #define TUNNEL_INFO_BITS_MASK GENMASK(TUNNEL_INFO_BITS - 1, 0) 1800a7fcb78SPaul Blakey #define ENC_OPTS_BITS 2 1810a7fcb78SPaul Blakey #define ENC_OPTS_BITS_MASK GENMASK(ENC_OPTS_BITS - 1, 0) 1820a7fcb78SPaul Blakey #define TUNNEL_ID_BITS (TUNNEL_INFO_BITS + ENC_OPTS_BITS) 1830a7fcb78SPaul Blakey #define TUNNEL_ID_MASK GENMASK(TUNNEL_ID_BITS - 1, 0) 1840a7fcb78SPaul Blakey 1858f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 1868f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1878f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1888f1e0b97SPaul Blakey .moffset = 0, 1898f1e0b97SPaul Blakey .mlen = 2, 1908f1e0b97SPaul Blakey }, 1910a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1920a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 1930a7fcb78SPaul Blakey .moffset = 3, 1940a7fcb78SPaul Blakey .mlen = 1, 1950a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1960a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1970a7fcb78SPaul Blakey }, 1984c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 1994c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 2004c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 2014c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 2024c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 2035c6b9460SPaul Blakey [TUPLEID_TO_REG] = tupleid_to_reg_ct, 2048f1e0b97SPaul Blakey }; 2058f1e0b97SPaul Blakey 2060a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 2070a7fcb78SPaul Blakey 2080a7fcb78SPaul Blakey void 2090a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 2100a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2110a7fcb78SPaul Blakey u32 data, 2120a7fcb78SPaul Blakey u32 mask) 2130a7fcb78SPaul Blakey { 2140a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2150a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2160a7fcb78SPaul Blakey void *headers_c = spec->match_criteria; 2170a7fcb78SPaul Blakey void *headers_v = spec->match_value; 2180a7fcb78SPaul Blakey void *fmask, *fval; 2190a7fcb78SPaul Blakey 2200a7fcb78SPaul Blakey fmask = headers_c + soffset; 2210a7fcb78SPaul Blakey fval = headers_v + soffset; 2220a7fcb78SPaul Blakey 2230a7fcb78SPaul Blakey mask = cpu_to_be32(mask) >> (32 - (match_len * 8)); 2240a7fcb78SPaul Blakey data = cpu_to_be32(data) >> (32 - (match_len * 8)); 2250a7fcb78SPaul Blakey 2260a7fcb78SPaul Blakey memcpy(fmask, &mask, match_len); 2270a7fcb78SPaul Blakey memcpy(fval, &data, match_len); 2280a7fcb78SPaul Blakey 2290a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2300a7fcb78SPaul Blakey } 2310a7fcb78SPaul Blakey 2320a7fcb78SPaul Blakey int 2330a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 2340a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 2350a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2360a7fcb78SPaul Blakey u32 data) 2370a7fcb78SPaul Blakey { 2380a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2390a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2400a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2410a7fcb78SPaul Blakey char *modact; 2420a7fcb78SPaul Blakey int err; 2430a7fcb78SPaul Blakey 2440a7fcb78SPaul Blakey err = alloc_mod_hdr_actions(mdev, MLX5_FLOW_NAMESPACE_FDB, 2450a7fcb78SPaul Blakey mod_hdr_acts); 2460a7fcb78SPaul Blakey if (err) 2470a7fcb78SPaul Blakey return err; 2480a7fcb78SPaul Blakey 2490a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2500a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2510a7fcb78SPaul Blakey 2520a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 2530a7fcb78SPaul Blakey if (mlen == 4) 2540a7fcb78SPaul Blakey mlen = 0; 2550a7fcb78SPaul Blakey 2560a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2570a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 2580a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset * 8); 2590a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, length, mlen * 8); 2600a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 2610a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2620a7fcb78SPaul Blakey 2630a7fcb78SPaul Blakey return 0; 2640a7fcb78SPaul Blakey } 2650a7fcb78SPaul Blakey 26677ab67b7SOr Gerlitz struct mlx5e_hairpin { 26777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 26877ab67b7SOr Gerlitz 26977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 2703f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 27177ab67b7SOr Gerlitz u32 tdn; 27277ab67b7SOr Gerlitz u32 tirn; 2733f6d08d1SOr Gerlitz 2743f6d08d1SOr Gerlitz int num_channels; 2753f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 2763f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 2773f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 27877ab67b7SOr Gerlitz }; 27977ab67b7SOr Gerlitz 2805c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 2815c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 2825c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 2835c65c564SOr Gerlitz 28473edca73SVlad Buslov /* protects flows list */ 28573edca73SVlad Buslov spinlock_t flows_lock; 2865c65c564SOr Gerlitz /* flows sharing the same hairpin */ 2875c65c564SOr Gerlitz struct list_head flows; 288db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 289db76ca24SVlad Buslov * function traversed them. 290db76ca24SVlad Buslov */ 291db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 2925c65c564SOr Gerlitz 293d8822868SOr Gerlitz u16 peer_vhca_id; 294106be53bSOr Gerlitz u8 prio; 2955c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 296e4f9abbdSVlad Buslov refcount_t refcnt; 297db76ca24SVlad Buslov struct completion res_ready; 2985c65c564SOr Gerlitz }; 2995c65c564SOr Gerlitz 30011c9c548SOr Gerlitz struct mod_hdr_key { 30111c9c548SOr Gerlitz int num_actions; 30211c9c548SOr Gerlitz void *actions; 30311c9c548SOr Gerlitz }; 30411c9c548SOr Gerlitz 30511c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 30611c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 30711c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 30811c9c548SOr Gerlitz 30983a52f0dSVlad Buslov /* protects flows list */ 31083a52f0dSVlad Buslov spinlock_t flows_lock; 31111c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 31211c9c548SOr Gerlitz struct list_head flows; 31311c9c548SOr Gerlitz 31411c9c548SOr Gerlitz struct mod_hdr_key key; 31511c9c548SOr Gerlitz 3162b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 317dd58edc3SVlad Buslov 318dd58edc3SVlad Buslov refcount_t refcnt; 319a734d007SVlad Buslov struct completion res_ready; 320a734d007SVlad Buslov int compl_result; 32111c9c548SOr Gerlitz }; 32211c9c548SOr Gerlitz 3235a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3245a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3255a7e5bcbSVlad Buslov 3265a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3275a7e5bcbSVlad Buslov { 3285a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3295a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3305a7e5bcbSVlad Buslov return flow; 3315a7e5bcbSVlad Buslov } 3325a7e5bcbSVlad Buslov 3335a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 3345a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 3355a7e5bcbSVlad Buslov { 3365a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3375a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 338c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3395a7e5bcbSVlad Buslov } 3405a7e5bcbSVlad Buslov } 3415a7e5bcbSVlad Buslov 342226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 343226f2ca3SVlad Buslov { 344226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 345226f2ca3SVlad Buslov smp_mb__before_atomic(); 346226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 347226f2ca3SVlad Buslov } 348226f2ca3SVlad Buslov 349226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 350226f2ca3SVlad Buslov 351c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 352c5d326b2SVlad Buslov unsigned long flag) 353c5d326b2SVlad Buslov { 354c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 355c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 356c5d326b2SVlad Buslov } 357c5d326b2SVlad Buslov 358c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 359c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 360c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 361c5d326b2SVlad Buslov 362226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 363226f2ca3SVlad Buslov { 364226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 365226f2ca3SVlad Buslov smp_mb__before_atomic(); 366226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 367226f2ca3SVlad Buslov } 368226f2ca3SVlad Buslov 369226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 370226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 371226f2ca3SVlad Buslov 372226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 373226f2ca3SVlad Buslov { 374226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 375226f2ca3SVlad Buslov 376226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 377226f2ca3SVlad Buslov smp_mb__after_atomic(); 378226f2ca3SVlad Buslov return ret; 379226f2ca3SVlad Buslov } 380226f2ca3SVlad Buslov 381226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 382226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 383226f2ca3SVlad Buslov 384226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 385226f2ca3SVlad Buslov { 386226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 387226f2ca3SVlad Buslov } 388226f2ca3SVlad Buslov 38984179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 39084179981SPaul Blakey { 39184179981SPaul Blakey return flow_flag_test(flow, FT); 39284179981SPaul Blakey } 39384179981SPaul Blakey 394226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 395226f2ca3SVlad Buslov { 396226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 397226f2ca3SVlad Buslov } 398226f2ca3SVlad Buslov 39911c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 40011c9c548SOr Gerlitz { 40111c9c548SOr Gerlitz return jhash(key->actions, 40211c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 40311c9c548SOr Gerlitz } 40411c9c548SOr Gerlitz 40511c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 40611c9c548SOr Gerlitz struct mod_hdr_key *b) 40711c9c548SOr Gerlitz { 40811c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 40911c9c548SOr Gerlitz return 1; 41011c9c548SOr Gerlitz 41111c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 41211c9c548SOr Gerlitz } 41311c9c548SOr Gerlitz 414dd58edc3SVlad Buslov static struct mod_hdr_tbl * 415dd58edc3SVlad Buslov get_mod_hdr_table(struct mlx5e_priv *priv, int namespace) 416dd58edc3SVlad Buslov { 417dd58edc3SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 418dd58edc3SVlad Buslov 419dd58edc3SVlad Buslov return namespace == MLX5_FLOW_NAMESPACE_FDB ? &esw->offloads.mod_hdr : 420dd58edc3SVlad Buslov &priv->fs.tc.mod_hdr; 421dd58edc3SVlad Buslov } 422dd58edc3SVlad Buslov 423dd58edc3SVlad Buslov static struct mlx5e_mod_hdr_entry * 424dd58edc3SVlad Buslov mlx5e_mod_hdr_get(struct mod_hdr_tbl *tbl, struct mod_hdr_key *key, u32 hash_key) 425dd58edc3SVlad Buslov { 426dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh, *found = NULL; 427dd58edc3SVlad Buslov 428dd58edc3SVlad Buslov hash_for_each_possible(tbl->hlist, mh, mod_hdr_hlist, hash_key) { 429dd58edc3SVlad Buslov if (!cmp_mod_hdr_info(&mh->key, key)) { 430dd58edc3SVlad Buslov refcount_inc(&mh->refcnt); 431dd58edc3SVlad Buslov found = mh; 432dd58edc3SVlad Buslov break; 433dd58edc3SVlad Buslov } 434dd58edc3SVlad Buslov } 435dd58edc3SVlad Buslov 436dd58edc3SVlad Buslov return found; 437dd58edc3SVlad Buslov } 438dd58edc3SVlad Buslov 439dd58edc3SVlad Buslov static void mlx5e_mod_hdr_put(struct mlx5e_priv *priv, 440d2faae25SVlad Buslov struct mlx5e_mod_hdr_entry *mh, 441d2faae25SVlad Buslov int namespace) 442dd58edc3SVlad Buslov { 443d2faae25SVlad Buslov struct mod_hdr_tbl *tbl = get_mod_hdr_table(priv, namespace); 444d2faae25SVlad Buslov 445d2faae25SVlad Buslov if (!refcount_dec_and_mutex_lock(&mh->refcnt, &tbl->lock)) 446dd58edc3SVlad Buslov return; 447d2faae25SVlad Buslov hash_del(&mh->mod_hdr_hlist); 448d2faae25SVlad Buslov mutex_unlock(&tbl->lock); 449dd58edc3SVlad Buslov 450dd58edc3SVlad Buslov WARN_ON(!list_empty(&mh->flows)); 451a734d007SVlad Buslov if (mh->compl_result > 0) 4522b688ea5SMaor Gottlieb mlx5_modify_header_dealloc(priv->mdev, mh->modify_hdr); 453d2faae25SVlad Buslov 454dd58edc3SVlad Buslov kfree(mh); 455dd58edc3SVlad Buslov } 456dd58edc3SVlad Buslov 457d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 458d2faae25SVlad Buslov { 459d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 460d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 461d2faae25SVlad Buslov } 46211c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 46311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 46411c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 46511c9c548SOr Gerlitz { 46611c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 46711c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 468dd58edc3SVlad Buslov struct mod_hdr_tbl *tbl; 46911c9c548SOr Gerlitz struct mod_hdr_key key; 47011c9c548SOr Gerlitz u32 hash_key; 47111c9c548SOr Gerlitz 4726ae4a6a5SPaul Blakey num_actions = parse_attr->mod_hdr_acts.num_actions; 47311c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 47411c9c548SOr Gerlitz 4756ae4a6a5SPaul Blakey key.actions = parse_attr->mod_hdr_acts.actions; 47611c9c548SOr Gerlitz key.num_actions = num_actions; 47711c9c548SOr Gerlitz 47811c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 47911c9c548SOr Gerlitz 480d2faae25SVlad Buslov namespace = get_flow_name_space(flow); 481dd58edc3SVlad Buslov tbl = get_mod_hdr_table(priv, namespace); 48211c9c548SOr Gerlitz 483d2faae25SVlad Buslov mutex_lock(&tbl->lock); 484dd58edc3SVlad Buslov mh = mlx5e_mod_hdr_get(tbl, &key, hash_key); 485a734d007SVlad Buslov if (mh) { 486a734d007SVlad Buslov mutex_unlock(&tbl->lock); 487a734d007SVlad Buslov wait_for_completion(&mh->res_ready); 488a734d007SVlad Buslov 489a734d007SVlad Buslov if (mh->compl_result < 0) { 490a734d007SVlad Buslov err = -EREMOTEIO; 491a734d007SVlad Buslov goto attach_header_err; 492a734d007SVlad Buslov } 49311c9c548SOr Gerlitz goto attach_flow; 494a734d007SVlad Buslov } 49511c9c548SOr Gerlitz 49611c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 497d2faae25SVlad Buslov if (!mh) { 498a734d007SVlad Buslov mutex_unlock(&tbl->lock); 499a734d007SVlad Buslov return -ENOMEM; 500d2faae25SVlad Buslov } 50111c9c548SOr Gerlitz 50211c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 50311c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 50411c9c548SOr Gerlitz mh->key.num_actions = num_actions; 50583a52f0dSVlad Buslov spin_lock_init(&mh->flows_lock); 50611c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 507dd58edc3SVlad Buslov refcount_set(&mh->refcnt, 1); 508a734d007SVlad Buslov init_completion(&mh->res_ready); 509a734d007SVlad Buslov 510a734d007SVlad Buslov hash_add(tbl->hlist, &mh->mod_hdr_hlist, hash_key); 511a734d007SVlad Buslov mutex_unlock(&tbl->lock); 51211c9c548SOr Gerlitz 5132b688ea5SMaor Gottlieb mh->modify_hdr = mlx5_modify_header_alloc(priv->mdev, namespace, 51411c9c548SOr Gerlitz mh->key.num_actions, 5152b688ea5SMaor Gottlieb mh->key.actions); 5162b688ea5SMaor Gottlieb if (IS_ERR(mh->modify_hdr)) { 5172b688ea5SMaor Gottlieb err = PTR_ERR(mh->modify_hdr); 518a734d007SVlad Buslov mh->compl_result = err; 519a734d007SVlad Buslov goto alloc_header_err; 520a734d007SVlad Buslov } 521a734d007SVlad Buslov mh->compl_result = 1; 522a734d007SVlad Buslov complete_all(&mh->res_ready); 52311c9c548SOr Gerlitz 52411c9c548SOr Gerlitz attach_flow: 525dd58edc3SVlad Buslov flow->mh = mh; 52683a52f0dSVlad Buslov spin_lock(&mh->flows_lock); 52711c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 52883a52f0dSVlad Buslov spin_unlock(&mh->flows_lock); 529d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 5302b688ea5SMaor Gottlieb flow->esw_attr->modify_hdr = mh->modify_hdr; 53111c9c548SOr Gerlitz else 5322b688ea5SMaor Gottlieb flow->nic_attr->modify_hdr = mh->modify_hdr; 53311c9c548SOr Gerlitz 53411c9c548SOr Gerlitz return 0; 53511c9c548SOr Gerlitz 536a734d007SVlad Buslov alloc_header_err: 537a734d007SVlad Buslov complete_all(&mh->res_ready); 538a734d007SVlad Buslov attach_header_err: 539a734d007SVlad Buslov mlx5e_mod_hdr_put(priv, mh, namespace); 54011c9c548SOr Gerlitz return err; 54111c9c548SOr Gerlitz } 54211c9c548SOr Gerlitz 54311c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 54411c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 54511c9c548SOr Gerlitz { 5465a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 547dd58edc3SVlad Buslov if (!flow->mh) 5485a7e5bcbSVlad Buslov return; 5495a7e5bcbSVlad Buslov 55083a52f0dSVlad Buslov spin_lock(&flow->mh->flows_lock); 55111c9c548SOr Gerlitz list_del(&flow->mod_hdr); 55283a52f0dSVlad Buslov spin_unlock(&flow->mh->flows_lock); 55311c9c548SOr Gerlitz 554d2faae25SVlad Buslov mlx5e_mod_hdr_put(priv, flow->mh, get_flow_name_space(flow)); 555dd58edc3SVlad Buslov flow->mh = NULL; 55611c9c548SOr Gerlitz } 55711c9c548SOr Gerlitz 55877ab67b7SOr Gerlitz static 55977ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 56077ab67b7SOr Gerlitz { 56177ab67b7SOr Gerlitz struct net_device *netdev; 56277ab67b7SOr Gerlitz struct mlx5e_priv *priv; 56377ab67b7SOr Gerlitz 56477ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 56577ab67b7SOr Gerlitz priv = netdev_priv(netdev); 56677ab67b7SOr Gerlitz return priv->mdev; 56777ab67b7SOr Gerlitz } 56877ab67b7SOr Gerlitz 56977ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 57077ab67b7SOr Gerlitz { 57177ab67b7SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0}; 57277ab67b7SOr Gerlitz void *tirc; 57377ab67b7SOr Gerlitz int err; 57477ab67b7SOr Gerlitz 57577ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 57677ab67b7SOr Gerlitz if (err) 57777ab67b7SOr Gerlitz goto alloc_tdn_err; 57877ab67b7SOr Gerlitz 57977ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 58077ab67b7SOr Gerlitz 58177ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 582ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 58377ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 58477ab67b7SOr Gerlitz 58577ab67b7SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn); 58677ab67b7SOr Gerlitz if (err) 58777ab67b7SOr Gerlitz goto create_tir_err; 58877ab67b7SOr Gerlitz 58977ab67b7SOr Gerlitz return 0; 59077ab67b7SOr Gerlitz 59177ab67b7SOr Gerlitz create_tir_err: 59277ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 59377ab67b7SOr Gerlitz alloc_tdn_err: 59477ab67b7SOr Gerlitz return err; 59577ab67b7SOr Gerlitz } 59677ab67b7SOr Gerlitz 59777ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 59877ab67b7SOr Gerlitz { 59977ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 60077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 60177ab67b7SOr Gerlitz } 60277ab67b7SOr Gerlitz 6033f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 6043f6d08d1SOr Gerlitz { 6053f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 6063f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6073f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 6083f6d08d1SOr Gerlitz 6093f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 6103f6d08d1SOr Gerlitz hp->num_channels); 6113f6d08d1SOr Gerlitz 6123f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 6133f6d08d1SOr Gerlitz ix = i; 614bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 6153f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 6163f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 6173f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 6183f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 6193f6d08d1SOr Gerlitz } 6203f6d08d1SOr Gerlitz } 6213f6d08d1SOr Gerlitz 6223f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 6233f6d08d1SOr Gerlitz { 6243f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 6253f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6263f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 6273f6d08d1SOr Gerlitz void *rqtc; 6283f6d08d1SOr Gerlitz u32 *in; 6293f6d08d1SOr Gerlitz 6303f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 6313f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 6323f6d08d1SOr Gerlitz if (!in) 6333f6d08d1SOr Gerlitz return -ENOMEM; 6343f6d08d1SOr Gerlitz 6353f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 6363f6d08d1SOr Gerlitz 6373f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 6383f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 6393f6d08d1SOr Gerlitz 6403f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 6413f6d08d1SOr Gerlitz 6423f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 6433f6d08d1SOr Gerlitz if (!err) 6443f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 6453f6d08d1SOr Gerlitz 6463f6d08d1SOr Gerlitz kvfree(in); 6473f6d08d1SOr Gerlitz return err; 6483f6d08d1SOr Gerlitz } 6493f6d08d1SOr Gerlitz 6503f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 6513f6d08d1SOr Gerlitz { 6523f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6533f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 6543f6d08d1SOr Gerlitz int tt, i, err; 6553f6d08d1SOr Gerlitz void *tirc; 6563f6d08d1SOr Gerlitz 6573f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 658d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 659d930ac79SAya Levin 6603f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 6613f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 6623f6d08d1SOr Gerlitz 6633f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 6643f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 6653f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 666bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 667bbeb53b8SAya Levin 6683f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 6693f6d08d1SOr Gerlitz MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]); 6703f6d08d1SOr Gerlitz if (err) { 6713f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 6723f6d08d1SOr Gerlitz goto err_destroy_tirs; 6733f6d08d1SOr Gerlitz } 6743f6d08d1SOr Gerlitz } 6753f6d08d1SOr Gerlitz return 0; 6763f6d08d1SOr Gerlitz 6773f6d08d1SOr Gerlitz err_destroy_tirs: 6783f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 6793f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 6803f6d08d1SOr Gerlitz return err; 6813f6d08d1SOr Gerlitz } 6823f6d08d1SOr Gerlitz 6833f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 6843f6d08d1SOr Gerlitz { 6853f6d08d1SOr Gerlitz int tt; 6863f6d08d1SOr Gerlitz 6873f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6883f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 6893f6d08d1SOr Gerlitz } 6903f6d08d1SOr Gerlitz 6913f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 6923f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6933f6d08d1SOr Gerlitz { 6943f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6953f6d08d1SOr Gerlitz int tt; 6963f6d08d1SOr Gerlitz 6973f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6983f6d08d1SOr Gerlitz 6993f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 7003f6d08d1SOr Gerlitz 7013f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 7023f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 7033f6d08d1SOr Gerlitz 7046412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 7053f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 7063f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 7073f6d08d1SOr Gerlitz } 7083f6d08d1SOr Gerlitz 7093f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 7103f6d08d1SOr Gerlitz { 7113f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7123f6d08d1SOr Gerlitz struct ttc_params ttc_params; 7133f6d08d1SOr Gerlitz int err; 7143f6d08d1SOr Gerlitz 7153f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 7163f6d08d1SOr Gerlitz if (err) 7173f6d08d1SOr Gerlitz return err; 7183f6d08d1SOr Gerlitz 7193f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 7203f6d08d1SOr Gerlitz if (err) 7213f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 7223f6d08d1SOr Gerlitz 7233f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 7243f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 7253f6d08d1SOr Gerlitz if (err) 7263f6d08d1SOr Gerlitz goto err_create_ttc_table; 7273f6d08d1SOr Gerlitz 7283f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 7293f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 7303f6d08d1SOr Gerlitz 7313f6d08d1SOr Gerlitz return 0; 7323f6d08d1SOr Gerlitz 7333f6d08d1SOr Gerlitz err_create_ttc_table: 7343f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 7353f6d08d1SOr Gerlitz err_create_indirect_tirs: 7363f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 7373f6d08d1SOr Gerlitz 7383f6d08d1SOr Gerlitz return err; 7393f6d08d1SOr Gerlitz } 7403f6d08d1SOr Gerlitz 7413f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 7423f6d08d1SOr Gerlitz { 7433f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7443f6d08d1SOr Gerlitz 7453f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 7463f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 7473f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 7483f6d08d1SOr Gerlitz } 7493f6d08d1SOr Gerlitz 75077ab67b7SOr Gerlitz static struct mlx5e_hairpin * 75177ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 75277ab67b7SOr Gerlitz int peer_ifindex) 75377ab67b7SOr Gerlitz { 75477ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 75577ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 75677ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 75777ab67b7SOr Gerlitz int err; 75877ab67b7SOr Gerlitz 75977ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 76077ab67b7SOr Gerlitz if (!hp) 76177ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 76277ab67b7SOr Gerlitz 76377ab67b7SOr Gerlitz func_mdev = priv->mdev; 76477ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 76577ab67b7SOr Gerlitz 76677ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 76777ab67b7SOr Gerlitz if (IS_ERR(pair)) { 76877ab67b7SOr Gerlitz err = PTR_ERR(pair); 76977ab67b7SOr Gerlitz goto create_pair_err; 77077ab67b7SOr Gerlitz } 77177ab67b7SOr Gerlitz hp->pair = pair; 77277ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 7733f6d08d1SOr Gerlitz hp->func_priv = priv; 7743f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 77577ab67b7SOr Gerlitz 77677ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 77777ab67b7SOr Gerlitz if (err) 77877ab67b7SOr Gerlitz goto create_transport_err; 77977ab67b7SOr Gerlitz 7803f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 7813f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 7823f6d08d1SOr Gerlitz if (err) 7833f6d08d1SOr Gerlitz goto rss_init_err; 7843f6d08d1SOr Gerlitz } 7853f6d08d1SOr Gerlitz 78677ab67b7SOr Gerlitz return hp; 78777ab67b7SOr Gerlitz 7883f6d08d1SOr Gerlitz rss_init_err: 7893f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 79077ab67b7SOr Gerlitz create_transport_err: 79177ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 79277ab67b7SOr Gerlitz create_pair_err: 79377ab67b7SOr Gerlitz kfree(hp); 79477ab67b7SOr Gerlitz return ERR_PTR(err); 79577ab67b7SOr Gerlitz } 79677ab67b7SOr Gerlitz 79777ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 79877ab67b7SOr Gerlitz { 7993f6d08d1SOr Gerlitz if (hp->num_channels > 1) 8003f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 80177ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 80277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 80377ab67b7SOr Gerlitz kvfree(hp); 80477ab67b7SOr Gerlitz } 80577ab67b7SOr Gerlitz 806106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 807106be53bSOr Gerlitz { 808106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 809106be53bSOr Gerlitz } 810106be53bSOr Gerlitz 8115c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 812106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 8135c65c564SOr Gerlitz { 8145c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 815106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 8165c65c564SOr Gerlitz 8175c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 818106be53bSOr Gerlitz hairpin_hlist, hash_key) { 819e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 820e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 8215c65c564SOr Gerlitz return hpe; 8225c65c564SOr Gerlitz } 823e4f9abbdSVlad Buslov } 8245c65c564SOr Gerlitz 8255c65c564SOr Gerlitz return NULL; 8265c65c564SOr Gerlitz } 8275c65c564SOr Gerlitz 828e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 829e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 830e4f9abbdSVlad Buslov { 831e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 832b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 833e4f9abbdSVlad Buslov return; 834b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 835b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 836e4f9abbdSVlad Buslov 837db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 838e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 839e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 840e4f9abbdSVlad Buslov 841e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 842db76ca24SVlad Buslov } 843db76ca24SVlad Buslov 844db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 845e4f9abbdSVlad Buslov kfree(hpe); 846e4f9abbdSVlad Buslov } 847e4f9abbdSVlad Buslov 848106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 849106be53bSOr Gerlitz 850106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 851e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 852e98bedf5SEli Britstein struct netlink_ext_ack *extack) 853106be53bSOr Gerlitz { 854106be53bSOr Gerlitz void *headers_c, *headers_v; 855106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 856106be53bSOr Gerlitz bool vlan_present; 857106be53bSOr Gerlitz 858106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 859106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 860e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 861e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 862106be53bSOr Gerlitz return -EOPNOTSUPP; 863106be53bSOr Gerlitz } 864106be53bSOr Gerlitz #endif 865106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 866106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 867106be53bSOr Gerlitz 868106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 869106be53bSOr Gerlitz if (vlan_present) { 870106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 871106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 872106be53bSOr Gerlitz } 873106be53bSOr Gerlitz 874106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 875106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 876106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 877e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 878e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 879106be53bSOr Gerlitz return -EOPNOTSUPP; 880106be53bSOr Gerlitz } 881106be53bSOr Gerlitz 882106be53bSOr Gerlitz *match_prio = prio_val; 883106be53bSOr Gerlitz return 0; 884106be53bSOr Gerlitz } 885106be53bSOr Gerlitz 8865c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8875c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 888e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 889e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8905c65c564SOr Gerlitz { 89198b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8925c65c564SOr Gerlitz struct mlx5_hairpin_params params; 893d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8945c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8955c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8963f6d08d1SOr Gerlitz u64 link_speed64; 8973f6d08d1SOr Gerlitz u32 link_speed; 898106be53bSOr Gerlitz u8 match_prio; 899d8822868SOr Gerlitz u16 peer_id; 9005c65c564SOr Gerlitz int err; 9015c65c564SOr Gerlitz 902d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 903d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 904e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 9055c65c564SOr Gerlitz return -EOPNOTSUPP; 9065c65c564SOr Gerlitz } 9075c65c564SOr Gerlitz 908d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 909e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 910e98bedf5SEli Britstein extack); 911106be53bSOr Gerlitz if (err) 912106be53bSOr Gerlitz return err; 913b32accdaSVlad Buslov 914b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 915106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 916db76ca24SVlad Buslov if (hpe) { 917db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 918db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 919db76ca24SVlad Buslov 920db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 921db76ca24SVlad Buslov err = -EREMOTEIO; 922db76ca24SVlad Buslov goto out_err; 923db76ca24SVlad Buslov } 9245c65c564SOr Gerlitz goto attach_flow; 925db76ca24SVlad Buslov } 9265c65c564SOr Gerlitz 9275c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 928b32accdaSVlad Buslov if (!hpe) { 929db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 930db76ca24SVlad Buslov return -ENOMEM; 931b32accdaSVlad Buslov } 9325c65c564SOr Gerlitz 93373edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 9345c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 935db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 936d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 937106be53bSOr Gerlitz hpe->prio = match_prio; 938e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 939db76ca24SVlad Buslov init_completion(&hpe->res_ready); 940db76ca24SVlad Buslov 941db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 942db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 943db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 9445c65c564SOr Gerlitz 9455c65c564SOr Gerlitz params.log_data_size = 15; 9465c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 9475c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 9485c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 9495c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 9505c65c564SOr Gerlitz 951eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 952eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 953eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 954eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 955eb9180f7SOr Gerlitz 956eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 9573f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 9582c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 9593f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 9603f6d08d1SOr Gerlitz link_speed64 = link_speed; 9613f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 9623f6d08d1SOr Gerlitz params.num_channels = link_speed64; 9633f6d08d1SOr Gerlitz 9645c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 965db76ca24SVlad Buslov hpe->hp = hp; 966db76ca24SVlad Buslov complete_all(&hpe->res_ready); 9675c65c564SOr Gerlitz if (IS_ERR(hp)) { 9685c65c564SOr Gerlitz err = PTR_ERR(hp); 969db76ca24SVlad Buslov goto out_err; 9705c65c564SOr Gerlitz } 9715c65c564SOr Gerlitz 972eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 97327b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 97427b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 975eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 9765c65c564SOr Gerlitz 9775c65c564SOr Gerlitz attach_flow: 9783f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 979226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 9803f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 9813f6d08d1SOr Gerlitz } else { 9825c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 9833f6d08d1SOr Gerlitz } 984b32accdaSVlad Buslov 985e4f9abbdSVlad Buslov flow->hpe = hpe; 98673edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9875c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 98873edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9893f6d08d1SOr Gerlitz 9905c65c564SOr Gerlitz return 0; 9915c65c564SOr Gerlitz 992db76ca24SVlad Buslov out_err: 993db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9945c65c564SOr Gerlitz return err; 9955c65c564SOr Gerlitz } 9965c65c564SOr Gerlitz 9975c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9985c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9995c65c564SOr Gerlitz { 10005a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 1001e4f9abbdSVlad Buslov if (!flow->hpe) 10025a7e5bcbSVlad Buslov return; 10035a7e5bcbSVlad Buslov 100473edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 10055c65c564SOr Gerlitz list_del(&flow->hairpin); 100673edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 100773edca73SVlad Buslov 1008e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 1009e4f9abbdSVlad Buslov flow->hpe = NULL; 10105c65c564SOr Gerlitz } 10115c65c564SOr Gerlitz 1012c83954abSRabie Loulou static int 101374491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 101417091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1015e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1016e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1017e8f887acSAmir Vadai { 1018bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 1019aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1020aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 10215c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 102266958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 10233bc4b7bfSOr Gerlitz .action = attr->action, 1024bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 102566958ed9SHadar Hen Zion }; 1026aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 10275c65c564SOr Gerlitz int err, dest_ix = 0; 1028e8f887acSAmir Vadai 1029bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1030bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 1031bb0ee7dcSJianbo Liu 1032226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 1033e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 10345a7e5bcbSVlad Buslov if (err) 10355a7e5bcbSVlad Buslov return err; 10365a7e5bcbSVlad Buslov 1037226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 10383f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 10393f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 10403f6d08d1SOr Gerlitz } else { 10415c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 10425c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 10433f6d08d1SOr Gerlitz } 10443f6d08d1SOr Gerlitz dest_ix++; 10453f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 10465c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 10475c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 10485c65c564SOr Gerlitz dest_ix++; 10495c65c564SOr Gerlitz } 1050aad7e08dSAmir Vadai 10515c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 10525c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 10535a7e5bcbSVlad Buslov if (IS_ERR(counter)) 10545a7e5bcbSVlad Buslov return PTR_ERR(counter); 10555a7e5bcbSVlad Buslov 10565c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 1057171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 10585c65c564SOr Gerlitz dest_ix++; 1059b8aee822SMark Bloch attr->counter = counter; 1060aad7e08dSAmir Vadai } 1061aad7e08dSAmir Vadai 10622f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 10633099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 10642b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 10656ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1066c83954abSRabie Loulou if (err) 10675a7e5bcbSVlad Buslov return err; 10682f4fe4caSOr Gerlitz } 10692f4fe4caSOr Gerlitz 1070b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1071acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 107261dc7b01SPaul Blakey struct mlx5_flow_table_attr ft_attr = {}; 107361dc7b01SPaul Blakey int tc_grp_size, tc_tbl_size, tc_num_grps; 107421b9c144SOr Gerlitz u32 max_flow_counter; 107521b9c144SOr Gerlitz 107621b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 107721b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 107821b9c144SOr Gerlitz 107921b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 108021b9c144SOr Gerlitz 108121b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 108221b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 108361dc7b01SPaul Blakey tc_num_grps = MLX5E_TC_TABLE_NUM_GROUPS; 108421b9c144SOr Gerlitz 108561dc7b01SPaul Blakey ft_attr.prio = MLX5E_TC_PRIO; 108661dc7b01SPaul Blakey ft_attr.max_fte = tc_tbl_size; 108761dc7b01SPaul Blakey ft_attr.level = MLX5E_TC_FT_LEVEL; 108861dc7b01SPaul Blakey ft_attr.autogroup.max_num_groups = tc_num_grps; 1089acff797cSMaor Gottlieb priv->fs.tc.t = 1090acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 109161dc7b01SPaul Blakey &ft_attr); 1092acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 1093b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 1094e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1095e98bedf5SEli Britstein "Failed to create tc offload table\n"); 1096e8f887acSAmir Vadai netdev_err(priv->netdev, 1097e8f887acSAmir Vadai "Failed to create tc offload table\n"); 10985a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 1099e8f887acSAmir Vadai } 1100e8f887acSAmir Vadai } 1101e8f887acSAmir Vadai 110238aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 1103d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 110438aa51c1SOr Gerlitz 1105c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 11065c65c564SOr Gerlitz &flow_act, dest, dest_ix); 1107b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 1108e8f887acSAmir Vadai 1109a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1110e8f887acSAmir Vadai } 1111e8f887acSAmir Vadai 1112d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1113d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1114d85cdccbSOr Gerlitz { 1115513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1116d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 1117d85cdccbSOr Gerlitz 1118b8aee822SMark Bloch counter = attr->counter; 11195a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1120e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1121d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1122d85cdccbSOr Gerlitz 1123b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1124226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1125d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1126d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1127d85cdccbSOr Gerlitz } 1128b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11292f4fe4caSOr Gerlitz 1130513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11313099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11325c65c564SOr Gerlitz 1133226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11345c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1135d85cdccbSOr Gerlitz } 1136d85cdccbSOr Gerlitz 1137aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 11388c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1139aa0cbbaeSOr Gerlitz 11403c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1141e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1142733d4f36SRoi Dayan struct net_device *mirred_dev, 1143733d4f36SRoi Dayan int out_index, 11448c4dc42bSEli Britstein struct netlink_ext_ack *extack, 11450ad060eeSRoi Dayan struct net_device **encap_dev, 11460ad060eeSRoi Dayan bool *encap_valid); 11473c37745eSOr Gerlitz 11486d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 11496d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11506d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11516d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 11526d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 11536d2a3ed0SOr Gerlitz { 11541ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11556d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11564c3844d9SPaul Blakey 11571ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11581ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11591ef3018fSPaul Blakey 11601ef3018fSPaul Blakey return mlx5_tc_ct_flow_offload(flow->priv, flow, spec, attr, 11611ef3018fSPaul Blakey mod_hdr_acts); 11621ef3018fSPaul Blakey } 11636d2a3ed0SOr Gerlitz 11646d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11656d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11666d2a3ed0SOr Gerlitz return rule; 11676d2a3ed0SOr Gerlitz 1168e85e02baSEli Britstein if (attr->split_count) { 11696d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11706d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 11716d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11726d2a3ed0SOr Gerlitz return flow->rule[1]; 11736d2a3ed0SOr Gerlitz } 11746d2a3ed0SOr Gerlitz } 11756d2a3ed0SOr Gerlitz 11766d2a3ed0SOr Gerlitz return rule; 11776d2a3ed0SOr Gerlitz } 11786d2a3ed0SOr Gerlitz 11796d2a3ed0SOr Gerlitz static void 11806d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11816d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11826d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 11836d2a3ed0SOr Gerlitz { 1184226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11856d2a3ed0SOr Gerlitz 11864c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 11874c3844d9SPaul Blakey mlx5_tc_ct_delete_flow(flow->priv, flow, attr); 11884c3844d9SPaul Blakey return; 11894c3844d9SPaul Blakey } 11904c3844d9SPaul Blakey 1191e85e02baSEli Britstein if (attr->split_count) 11926d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 11936d2a3ed0SOr Gerlitz 11946d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 11956d2a3ed0SOr Gerlitz } 11966d2a3ed0SOr Gerlitz 11975dbe906fSPaul Blakey static struct mlx5_flow_handle * 11985dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 11995dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1200178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12015dbe906fSPaul Blakey { 1202178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 12035dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12045dbe906fSPaul Blakey 1205178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1206178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1207178f69b4SEli Cohen slow_attr.split_count = 0; 1208178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 12095dbe906fSPaul Blakey 1210178f69b4SEli Cohen rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, &slow_attr); 12115dbe906fSPaul Blakey if (!IS_ERR(rule)) 1212226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12135dbe906fSPaul Blakey 12145dbe906fSPaul Blakey return rule; 12155dbe906fSPaul Blakey } 12165dbe906fSPaul Blakey 12175dbe906fSPaul Blakey static void 12185dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1219178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12205dbe906fSPaul Blakey { 1221178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 1222178f69b4SEli Cohen 1223178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1224178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1225178f69b4SEli Cohen slow_attr.split_count = 0; 1226178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1227178f69b4SEli Cohen mlx5e_tc_unoffload_fdb_rules(esw, flow, &slow_attr); 1228226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 12295dbe906fSPaul Blakey } 12305dbe906fSPaul Blakey 1231ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1232ad86755bSVlad Buslov * function. 1233ad86755bSVlad Buslov */ 1234ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1235ad86755bSVlad Buslov struct list_head *unready_flows) 1236ad86755bSVlad Buslov { 1237ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1238ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1239ad86755bSVlad Buslov } 1240ad86755bSVlad Buslov 1241ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1242ad86755bSVlad Buslov * function. 1243ad86755bSVlad Buslov */ 1244ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1245ad86755bSVlad Buslov { 1246ad86755bSVlad Buslov list_del(&flow->unready); 1247ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1248ad86755bSVlad Buslov } 1249ad86755bSVlad Buslov 1250b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1251b4a23329SRoi Dayan { 1252b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1253b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1254b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1255b4a23329SRoi Dayan 1256b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1257b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1258b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1259b4a23329SRoi Dayan 1260ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1261ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1262ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1263b4a23329SRoi Dayan } 1264b4a23329SRoi Dayan 1265b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1266b4a23329SRoi Dayan { 1267ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1268ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1269ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1270ad86755bSVlad Buslov 1271ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1272ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1273ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1274ad86755bSVlad Buslov 1275ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1276ad86755bSVlad Buslov unready_flow_del(flow); 1277ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1278b4a23329SRoi Dayan } 1279b4a23329SRoi Dayan 1280c83954abSRabie Loulou static int 128174491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1282e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1283e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1284adb4c123SOr Gerlitz { 1285adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1286aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 12877040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 12883c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1289b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 12903c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 12913c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 12920ad060eeSRoi Dayan bool encap_valid = true; 129339ac237cSPaul Blakey u32 max_prio, max_chain; 12940ad060eeSRoi Dayan int err = 0; 1295f493f155SEli Britstein int out_index; 12968b32580dSOr Gerlitz 129739ac237cSPaul Blakey if (!mlx5_esw_chains_prios_supported(esw) && attr->prio != 1) { 129861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 129961644c3dSRoi Dayan "E-switch priorities unsupported, upgrade FW"); 1300d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1301d14f6f2aSOr Gerlitz } 1302e52c2802SPaul Blakey 130384179981SPaul Blakey /* We check chain range only for tc flows. 130484179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 130584179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 130684179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 130784179981SPaul Blakey */ 130839ac237cSPaul Blakey max_chain = mlx5_esw_chains_get_chain_range(esw); 130984179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 131061644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 131161644c3dSRoi Dayan "Requested chain is out of supported range"); 13125a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1313bf07aa73SPaul Blakey } 1314bf07aa73SPaul Blakey 131539ac237cSPaul Blakey max_prio = mlx5_esw_chains_get_prio_range(esw); 1316bf07aa73SPaul Blakey if (attr->prio > max_prio) { 131761644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 131861644c3dSRoi Dayan "Requested priority is out of supported range"); 13195a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1320bf07aa73SPaul Blakey } 1321bf07aa73SPaul Blakey 1322f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 13238c4dc42bSEli Britstein int mirred_ifindex; 13248c4dc42bSEli Britstein 1325f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1326f493f155SEli Britstein continue; 1327f493f155SEli Britstein 13287040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 13293c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 13308c4dc42bSEli Britstein mirred_ifindex); 1331733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 13320ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 13330ad060eeSRoi Dayan if (err) 13345a7e5bcbSVlad Buslov return err; 13350ad060eeSRoi Dayan 13363c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 13373c37745eSOr Gerlitz rpriv = out_priv->ppriv; 13381cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 13391cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 13403c37745eSOr Gerlitz } 13413c37745eSOr Gerlitz 13428b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1343c83954abSRabie Loulou if (err) 13445a7e5bcbSVlad Buslov return err; 1345adb4c123SOr Gerlitz 1346d7e75a32SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 13471a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 13486ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1349c83954abSRabie Loulou if (err) 13505a7e5bcbSVlad Buslov return err; 1351d7e75a32SOr Gerlitz } 1352d7e75a32SOr Gerlitz 1353b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1354f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 13555a7e5bcbSVlad Buslov if (IS_ERR(counter)) 13565a7e5bcbSVlad Buslov return PTR_ERR(counter); 1357b8aee822SMark Bloch 1358b8aee822SMark Bloch attr->counter = counter; 1359b8aee822SMark Bloch } 1360b8aee822SMark Bloch 13610ad060eeSRoi Dayan /* we get here if one of the following takes place: 13620ad060eeSRoi Dayan * (1) there's no error 13630ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 13643c37745eSOr Gerlitz */ 1365bc1d75faSRoi Dayan if (!encap_valid) 1366178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1367bc1d75faSRoi Dayan else 13686d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 13695dbe906fSPaul Blakey 13705a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 13715a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1372226f2ca3SVlad Buslov else 1373226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1374c83954abSRabie Loulou 13755dbe906fSPaul Blakey return 0; 1376aa0cbbaeSOr Gerlitz } 1377d85cdccbSOr Gerlitz 13789272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 13799272e3dfSYevgeny Kliteynik { 13809272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 13819272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 13829272e3dfSYevgeny Kliteynik spec->match_value, 13839272e3dfSYevgeny Kliteynik misc_parameters_3); 13849272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 13859272e3dfSYevgeny Kliteynik headers_v, 13869272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 13879272e3dfSYevgeny Kliteynik 13889272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 13899272e3dfSYevgeny Kliteynik } 13909272e3dfSYevgeny Kliteynik 1391d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1392d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1393d85cdccbSOr Gerlitz { 1394d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1395d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 1396f493f155SEli Britstein int out_index; 1397d85cdccbSOr Gerlitz 13980a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 13990a7fcb78SPaul Blakey 1400226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1401b4a23329SRoi Dayan remove_unready_flow(flow); 1402ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1403ef06c9eeSRoi Dayan return; 1404ef06c9eeSRoi Dayan } 1405ef06c9eeSRoi Dayan 1406226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1407226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1408178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14095dbe906fSPaul Blakey else 14105dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 14115dbe906fSPaul Blakey } 1412d85cdccbSOr Gerlitz 14139272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 14149272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 14159272e3dfSYevgeny Kliteynik 1416513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1417d85cdccbSOr Gerlitz 1418f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 14192a4b6526SVlad Buslov if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 14208c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 14212a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 14222a4b6526SVlad Buslov } 1423f493f155SEli Britstein kvfree(attr->parse_attr); 1424d7e75a32SOr Gerlitz 1425513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 14261a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1427b8aee822SMark Bloch 1428b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1429f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1430d85cdccbSOr Gerlitz } 1431d85cdccbSOr Gerlitz 1432232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 14332a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 14342a1f1768SVlad Buslov struct list_head *flow_list) 1435232c0013SHadar Hen Zion { 14363c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1437178f69b4SEli Cohen struct mlx5_esw_flow_attr *esw_attr; 14386d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 14396d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1440232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1441232c0013SHadar Hen Zion int err; 1442232c0013SHadar Hen Zion 14432b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 144454c177caSOz Shlomo e->reformat_type, 1445232c0013SHadar Hen Zion e->encap_size, e->encap_header, 14462b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 14472b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 14482b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 14492b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1450232c0013SHadar Hen Zion return; 1451232c0013SHadar Hen Zion } 1452232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1453f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1454232c0013SHadar Hen Zion 14552a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 14568c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 14578c4dc42bSEli Britstein int i; 14588c4dc42bSEli Britstein 145995435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 146095435ad7SVlad Buslov continue; 14613c37745eSOr Gerlitz esw_attr = flow->esw_attr; 14626d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 14636d2a3ed0SOr Gerlitz 14642b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 14652a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 14668c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 14678c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 14688c4dc42bSEli Britstein * a valid neighbour. 14698c4dc42bSEli Britstein */ 14708c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 14718c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 14728c4dc42bSEli Britstein continue; 14738c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 14748c4dc42bSEli Britstein all_flow_encaps_valid = false; 14758c4dc42bSEli Britstein break; 14768c4dc42bSEli Britstein } 14778c4dc42bSEli Britstein } 14788c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 14798c4dc42bSEli Britstein if (!all_flow_encaps_valid) 14802a1f1768SVlad Buslov continue; 14815dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 14826d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 14836d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 14846d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1485232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1486232c0013SHadar Hen Zion err); 14872a1f1768SVlad Buslov continue; 1488232c0013SHadar Hen Zion } 14895dbe906fSPaul Blakey 1490178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14916d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1492226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1493226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1494232c0013SHadar Hen Zion } 1495232c0013SHadar Hen Zion } 1496232c0013SHadar Hen Zion 1497232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 14982a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 14992a1f1768SVlad Buslov struct list_head *flow_list) 1500232c0013SHadar Hen Zion { 15013c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 15025dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 15035dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1504232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 15055dbe906fSPaul Blakey int err; 1506232c0013SHadar Hen Zion 15072a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 150895435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 150995435ad7SVlad Buslov continue; 15105dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 15115dbe906fSPaul Blakey 15125dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 1513178f69b4SEli Cohen rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec); 15148c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 15152a1f1768SVlad Buslov flow->esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 15165dbe906fSPaul Blakey 15175dbe906fSPaul Blakey if (IS_ERR(rule)) { 15185dbe906fSPaul Blakey err = PTR_ERR(rule); 15195dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 15205dbe906fSPaul Blakey err); 15212a1f1768SVlad Buslov continue; 15225dbe906fSPaul Blakey } 15235dbe906fSPaul Blakey 15246d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 15255dbe906fSPaul Blakey flow->rule[0] = rule; 1526226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1527226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1528232c0013SHadar Hen Zion } 1529232c0013SHadar Hen Zion 153061c806daSOr Gerlitz /* we know that the encap is valid */ 1531232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 15322b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1533232c0013SHadar Hen Zion } 1534232c0013SHadar Hen Zion 1535b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1536b8aee822SMark Bloch { 1537226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1538b8aee822SMark Bloch return flow->esw_attr->counter; 1539b8aee822SMark Bloch else 1540b8aee822SMark Bloch return flow->nic_attr->counter; 1541b8aee822SMark Bloch } 1542b8aee822SMark Bloch 15432a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 15442a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 15452a1f1768SVlad Buslov */ 15462a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 15472a1f1768SVlad Buslov { 15482a1f1768SVlad Buslov struct encap_flow_item *efi; 15492a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 15502a1f1768SVlad Buslov 15512a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 15522a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 15532a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15542a1f1768SVlad Buslov continue; 155595435ad7SVlad Buslov wait_for_completion(&flow->init_done); 15562a1f1768SVlad Buslov 15572a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 15582a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 15592a1f1768SVlad Buslov } 15602a1f1768SVlad Buslov } 15612a1f1768SVlad Buslov 15626a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 15632a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 15646a06c2f7SVlad Buslov { 15656a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 15666a06c2f7SVlad Buslov 15676a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 15686a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 15696a06c2f7SVlad Buslov } 15706a06c2f7SVlad Buslov 1571ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1572ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1573ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1574ac0d9176SVlad Buslov { 1575ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1576ac0d9176SVlad Buslov 1577ac0d9176SVlad Buslov retry: 1578ac0d9176SVlad Buslov rcu_read_lock(); 1579ac0d9176SVlad Buslov 1580ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1581ac0d9176SVlad Buslov for (next = e ? 1582ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1583ac0d9176SVlad Buslov &e->encap_list, 1584ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1585ac0d9176SVlad Buslov encap_list) : 1586ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1587ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1588ac0d9176SVlad Buslov encap_list); 1589ac0d9176SVlad Buslov next; 1590ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1591ac0d9176SVlad Buslov &next->encap_list, 1592ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1593ac0d9176SVlad Buslov encap_list)) 1594ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1595ac0d9176SVlad Buslov break; 1596ac0d9176SVlad Buslov 1597ac0d9176SVlad Buslov rcu_read_unlock(); 1598ac0d9176SVlad Buslov 1599ac0d9176SVlad Buslov /* release starting encap */ 1600ac0d9176SVlad Buslov if (e) 1601ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1602ac0d9176SVlad Buslov if (!next) 1603ac0d9176SVlad Buslov return next; 1604ac0d9176SVlad Buslov 1605ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1606ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1607ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1608ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1609ac0d9176SVlad Buslov e = next; 1610ac0d9176SVlad Buslov goto retry; 1611ac0d9176SVlad Buslov } 1612ac0d9176SVlad Buslov 1613ac0d9176SVlad Buslov return next; 1614ac0d9176SVlad Buslov } 1615ac0d9176SVlad Buslov 1616f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1617f6dfb4c3SHadar Hen Zion { 1618f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1619ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1620f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1621f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1622f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1623f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1624f6dfb4c3SHadar Hen Zion struct neighbour *n; 162590bb7692SAriel Levkovich u64 lastuse; 1626f6dfb4c3SHadar Hen Zion 1627f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1628f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1629f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1630f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 16315cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1632f6dfb4c3SHadar Hen Zion #endif 1633f6dfb4c3SHadar Hen Zion else 1634f6dfb4c3SHadar Hen Zion return; 1635f6dfb4c3SHadar Hen Zion 1636ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1637ac0d9176SVlad Buslov * next one. 1638ac0d9176SVlad Buslov */ 1639ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 16406a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 16415a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 16426a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 16436a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1644948993f2SVlad Buslov 16456a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 16466a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 16475a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 164879baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 164979baaec7SEli Britstein encaps[efi->index]); 16505a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 16515a7e5bcbSVlad Buslov continue; 16526a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 16535a7e5bcbSVlad Buslov 1654226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1655b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 165690bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1657f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1658f6dfb4c3SHadar Hen Zion neigh_used = true; 1659f6dfb4c3SHadar Hen Zion break; 1660f6dfb4c3SHadar Hen Zion } 1661f6dfb4c3SHadar Hen Zion } 1662f6dfb4c3SHadar Hen Zion } 16636a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1664948993f2SVlad Buslov 16656a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1666ac0d9176SVlad Buslov if (neigh_used) { 1667ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 16686a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1669e36d4810SRoi Dayan break; 1670f6dfb4c3SHadar Hen Zion } 1671ac0d9176SVlad Buslov } 1672f6dfb4c3SHadar Hen Zion 1673c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1674c786fe59SVlad Buslov 1675f6dfb4c3SHadar Hen Zion if (neigh_used) { 1676f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1677f6dfb4c3SHadar Hen Zion 1678f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1679f6dfb4c3SHadar Hen Zion * dst ip pair 1680f6dfb4c3SHadar Hen Zion */ 1681f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1682c7f7ba8dSRoi Dayan if (!n) 1683f6dfb4c3SHadar Hen Zion return; 1684f6dfb4c3SHadar Hen Zion 1685f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1686f6dfb4c3SHadar Hen Zion neigh_release(n); 1687f6dfb4c3SHadar Hen Zion } 1688f6dfb4c3SHadar Hen Zion } 1689f6dfb4c3SHadar Hen Zion 169061086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1691d85cdccbSOr Gerlitz { 1692948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 16933c140dd5SVlad Buslov 16943c140dd5SVlad Buslov if (e->compl_result > 0) { 1695232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1696232c0013SHadar Hen Zion 1697232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 16982b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 16993c140dd5SVlad Buslov } 1700232c0013SHadar Hen Zion 17012a4b6526SVlad Buslov kfree(e->tun_info); 1702232c0013SHadar Hen Zion kfree(e->encap_header); 1703ac0d9176SVlad Buslov kfree_rcu(e, rcu); 17045067b602SRoi Dayan } 1705948993f2SVlad Buslov 170661086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 170761086f39SVlad Buslov { 170861086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 170961086f39SVlad Buslov 171061086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 171161086f39SVlad Buslov return; 171261086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 171361086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 171461086f39SVlad Buslov 171561086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 171661086f39SVlad Buslov } 171761086f39SVlad Buslov 1718948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1719948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1720948993f2SVlad Buslov { 172161086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 172261086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 172361086f39SVlad Buslov 1724948993f2SVlad Buslov /* flow wasn't fully initialized */ 172561086f39SVlad Buslov if (!e) 1726948993f2SVlad Buslov return; 1727948993f2SVlad Buslov 172861086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1729948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1730948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 173161086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 173261086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 173361086f39SVlad Buslov return; 173461086f39SVlad Buslov } 173561086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 173661086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 173761086f39SVlad Buslov 173861086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 17395067b602SRoi Dayan } 17405067b602SRoi Dayan 174104de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 174204de7ddaSRoi Dayan { 174304de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 174404de7ddaSRoi Dayan 1745226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1746226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 174704de7ddaSRoi Dayan return; 174804de7ddaSRoi Dayan 174904de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 175004de7ddaSRoi Dayan list_del(&flow->peer); 175104de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 175204de7ddaSRoi Dayan 1753226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 175404de7ddaSRoi Dayan 1755eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 175604de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1757a23dae79SRoi Dayan kfree(flow->peer_flow); 1758eb252c3aSRoi Dayan } 1759eb252c3aSRoi Dayan 176004de7ddaSRoi Dayan flow->peer_flow = NULL; 176104de7ddaSRoi Dayan } 176204de7ddaSRoi Dayan 176304de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 176404de7ddaSRoi Dayan { 176504de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 176604de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 176704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 176804de7ddaSRoi Dayan 176904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 177004de7ddaSRoi Dayan if (!peer_esw) 177104de7ddaSRoi Dayan return; 177204de7ddaSRoi Dayan 177304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 177404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 177504de7ddaSRoi Dayan } 177604de7ddaSRoi Dayan 1777e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1778961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1779e8f887acSAmir Vadai { 1780226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 178104de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1782d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 178304de7ddaSRoi Dayan } else { 1784d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1785e8f887acSAmir Vadai } 178604de7ddaSRoi Dayan } 1787e8f887acSAmir Vadai 17880a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1789bbd00f7eSHadar Hen Zion { 1790f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17910a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 17920a7fcb78SPaul Blakey const struct flow_action_entry *act; 17930a7fcb78SPaul Blakey int i; 1794bbd00f7eSHadar Hen Zion 17950a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 17960a7fcb78SPaul Blakey switch (act->id) { 17970a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 17980a7fcb78SPaul Blakey return true; 17990a7fcb78SPaul Blakey default: 18000a7fcb78SPaul Blakey continue; 1801fe1587a7SDmytro Linkin } 18022e72eb43SOr Gerlitz } 1803bbd00f7eSHadar Hen Zion 18040a7fcb78SPaul Blakey return false; 18050a7fcb78SPaul Blakey } 1806bcef735cSOr Gerlitz 18070a7fcb78SPaul Blakey static int 18080a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 18090a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 18100a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 18110a7fcb78SPaul Blakey bool *dont_care) 18120a7fcb78SPaul Blakey { 18130a7fcb78SPaul Blakey struct geneve_opt *opt; 18140a7fcb78SPaul Blakey int off = 0; 1815bcef735cSOr Gerlitz 18160a7fcb78SPaul Blakey *dont_care = true; 1817bcef735cSOr Gerlitz 18180a7fcb78SPaul Blakey while (opts->len > off) { 18190a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1820e98bedf5SEli Britstein 18210a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 18220a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 18230a7fcb78SPaul Blakey *dont_care = false; 18240a7fcb78SPaul Blakey 18250a7fcb78SPaul Blakey if (opt->opt_class != U16_MAX || 18260a7fcb78SPaul Blakey opt->type != U8_MAX || 18270a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0xFF, 18280a7fcb78SPaul Blakey opt->length * 4)) { 18290a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 18300a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 18310a7fcb78SPaul Blakey netdev_warn(priv->netdev, 18320a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1833e98bedf5SEli Britstein return -EOPNOTSUPP; 1834e98bedf5SEli Britstein } 1835bcef735cSOr Gerlitz } 1836bcef735cSOr Gerlitz 18370a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1838bbd00f7eSHadar Hen Zion } 1839bbd00f7eSHadar Hen Zion 1840bbd00f7eSHadar Hen Zion return 0; 1841bbd00f7eSHadar Hen Zion } 1842bbd00f7eSHadar Hen Zion 18430a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 18440a7fcb78SPaul Blakey ({ \ 18450a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 18460a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 18470a7fcb78SPaul Blakey \ 18480a7fcb78SPaul Blakey memcpy(__dst,\ 18490a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 18500a7fcb78SPaul Blakey diss_key,\ 18510a7fcb78SPaul Blakey __rule->match.key),\ 18520a7fcb78SPaul Blakey sizeof(*__dst));\ 18530a7fcb78SPaul Blakey }) 18540a7fcb78SPaul Blakey 18550a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 18560a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 18570a7fcb78SPaul Blakey struct flow_cls_offload *f, 18580a7fcb78SPaul Blakey struct net_device *filter_dev) 18598377629eSEli Britstein { 18600a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18610a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 18620a7fcb78SPaul Blakey struct mlx5_esw_flow_attr *attr = flow->esw_attr; 18630a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 18640a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 18650a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18660a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18670a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 18680a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 18690a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 18700a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18710a7fcb78SPaul Blakey u32 value, mask; 18720a7fcb78SPaul Blakey int err; 18730a7fcb78SPaul Blakey 18740a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 18750a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18760a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18770a7fcb78SPaul Blakey 18780a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 18790a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 18800a7fcb78SPaul Blakey &tunnel_key.enc_control); 18810a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 18820a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 18830a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 18840a7fcb78SPaul Blakey else 18850a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 18860a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 18870a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 18880a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 18890a7fcb78SPaul Blakey &tunnel_key.enc_tp); 18900a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 18910a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 18920a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 18930a7fcb78SPaul Blakey 18940a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 18950a7fcb78SPaul Blakey if (err) 18960a7fcb78SPaul Blakey return err; 18970a7fcb78SPaul Blakey 18980a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 18990a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 19000a7fcb78SPaul Blakey enc_opts_match.mask, 19010a7fcb78SPaul Blakey extack, 19020a7fcb78SPaul Blakey &enc_opts_is_dont_care); 19030a7fcb78SPaul Blakey if (err) 19040a7fcb78SPaul Blakey goto err_enc_opts; 19050a7fcb78SPaul Blakey 19060a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 19070a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 19080a7fcb78SPaul Blakey enc_opts_match.key, &enc_opts_id); 19090a7fcb78SPaul Blakey if (err) 19100a7fcb78SPaul Blakey goto err_enc_opts; 19110a7fcb78SPaul Blakey } 19120a7fcb78SPaul Blakey 19130a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 19140a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 19150a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 19160a7fcb78SPaul Blakey 19170a7fcb78SPaul Blakey if (attr->chain) { 19180a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 19190a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 19200a7fcb78SPaul Blakey } else { 19210a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 19220a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 19230a7fcb78SPaul Blakey mod_hdr_acts, 19240a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 19250a7fcb78SPaul Blakey if (err) 19260a7fcb78SPaul Blakey goto err_set; 19270a7fcb78SPaul Blakey 19280a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 19290a7fcb78SPaul Blakey } 19300a7fcb78SPaul Blakey 19310a7fcb78SPaul Blakey flow->tunnel_id = value; 19320a7fcb78SPaul Blakey return 0; 19330a7fcb78SPaul Blakey 19340a7fcb78SPaul Blakey err_set: 19350a7fcb78SPaul Blakey if (enc_opts_id) 19360a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19370a7fcb78SPaul Blakey enc_opts_id); 19380a7fcb78SPaul Blakey err_enc_opts: 19390a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19400a7fcb78SPaul Blakey return err; 19410a7fcb78SPaul Blakey } 19420a7fcb78SPaul Blakey 19430a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 19440a7fcb78SPaul Blakey { 19450a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 19460a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 19470a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 19480a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 19490a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 19500a7fcb78SPaul Blakey 19510a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 19520a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 19530a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 19540a7fcb78SPaul Blakey 19550a7fcb78SPaul Blakey if (tun_id) 19560a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19570a7fcb78SPaul Blakey if (enc_opts_id) 19580a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19590a7fcb78SPaul Blakey enc_opts_id); 19600a7fcb78SPaul Blakey } 19610a7fcb78SPaul Blakey 19624c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 19634c3844d9SPaul Blakey { 19644c3844d9SPaul Blakey return flow->tunnel_id; 19654c3844d9SPaul Blakey } 19664c3844d9SPaul Blakey 19670a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 19680a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19690a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 19700a7fcb78SPaul Blakey struct flow_cls_offload *f, 19710a7fcb78SPaul Blakey struct net_device *filter_dev, 19720a7fcb78SPaul Blakey u8 *match_level, 19730a7fcb78SPaul Blakey bool *match_inner) 19740a7fcb78SPaul Blakey { 19750a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 19760a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19770a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 19780a7fcb78SPaul Blakey int err; 19790a7fcb78SPaul Blakey 19800a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 19810a7fcb78SPaul Blakey return -EOPNOTSUPP; 19820a7fcb78SPaul Blakey 19830a7fcb78SPaul Blakey needs_mapping = !!flow->esw_attr->chain; 19840a7fcb78SPaul Blakey sets_mapping = !flow->esw_attr->chain && flow_has_tc_fwd_action(f); 19850a7fcb78SPaul Blakey *match_inner = !needs_mapping; 19860a7fcb78SPaul Blakey 19870a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1988636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 19890a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 1990636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19910a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1992636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19930a7fcb78SPaul Blakey return -EOPNOTSUPP; 19940a7fcb78SPaul Blakey } 19950a7fcb78SPaul Blakey 19960a7fcb78SPaul Blakey if (!flow->esw_attr->chain) { 19970a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 19980a7fcb78SPaul Blakey match_level); 19990a7fcb78SPaul Blakey if (err) { 20000a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 20010a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 20020a7fcb78SPaul Blakey netdev_warn(priv->netdev, 20030a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 20040a7fcb78SPaul Blakey return err; 20050a7fcb78SPaul Blakey } 20060a7fcb78SPaul Blakey 20070a7fcb78SPaul Blakey flow->esw_attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 20080a7fcb78SPaul Blakey } 20090a7fcb78SPaul Blakey 20100a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 20110a7fcb78SPaul Blakey return 0; 20120a7fcb78SPaul Blakey 20130a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 20140a7fcb78SPaul Blakey } 20150a7fcb78SPaul Blakey 20160a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 20170a7fcb78SPaul Blakey { 20180a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20190a7fcb78SPaul Blakey inner_headers); 20200a7fcb78SPaul Blakey } 20210a7fcb78SPaul Blakey 20220a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 20230a7fcb78SPaul Blakey { 20240a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20250a7fcb78SPaul Blakey inner_headers); 20260a7fcb78SPaul Blakey } 20270a7fcb78SPaul Blakey 20280a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 20290a7fcb78SPaul Blakey { 20300a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20310a7fcb78SPaul Blakey outer_headers); 20320a7fcb78SPaul Blakey } 20330a7fcb78SPaul Blakey 20340a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 20350a7fcb78SPaul Blakey { 20360a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20378377629eSEli Britstein outer_headers); 20388377629eSEli Britstein } 20398377629eSEli Britstein 20408377629eSEli Britstein static void *get_match_headers_value(u32 flags, 20418377629eSEli Britstein struct mlx5_flow_spec *spec) 20428377629eSEli Britstein { 20438377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20440a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 20450a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 20460a7fcb78SPaul Blakey } 20470a7fcb78SPaul Blakey 20480a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 20490a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 20500a7fcb78SPaul Blakey { 20510a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20520a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 20530a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 20548377629eSEli Britstein } 20558377629eSEli Britstein 20566d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 20576d65bc64Swenxu struct flow_cls_offload *f) 20586d65bc64Swenxu { 20596d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20606d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 20616d65bc64Swenxu struct net_device *ingress_dev; 20626d65bc64Swenxu struct flow_match_meta match; 20636d65bc64Swenxu 20646d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 20656d65bc64Swenxu return 0; 20666d65bc64Swenxu 20676d65bc64Swenxu flow_rule_match_meta(rule, &match); 20686d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 20696d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 20706d65bc64Swenxu return -EINVAL; 20716d65bc64Swenxu } 20726d65bc64Swenxu 20736d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 20746d65bc64Swenxu match.key->ingress_ifindex); 20756d65bc64Swenxu if (!ingress_dev) { 20766d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20776d65bc64Swenxu "Can't find the ingress port to match on"); 20786d65bc64Swenxu return -EINVAL; 20796d65bc64Swenxu } 20806d65bc64Swenxu 20816d65bc64Swenxu if (ingress_dev != filter_dev) { 20826d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20836d65bc64Swenxu "Can't match on the ingress filter port"); 20846d65bc64Swenxu return -EINVAL; 20856d65bc64Swenxu } 20866d65bc64Swenxu 20876d65bc64Swenxu return 0; 20886d65bc64Swenxu } 20896d65bc64Swenxu 2090de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 20910a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2092de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2093f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 209454c177caSOz Shlomo struct net_device *filter_dev, 209593b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2096e3a2b7edSAmir Vadai { 2097e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2098c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2099c5bb1730SMaor Gottlieb outer_headers); 2100c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2101c5bb1730SMaor Gottlieb outer_headers); 2102699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2103699e96ddSJianbo Liu misc_parameters); 2104699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2105699e96ddSJianbo Liu misc_parameters); 2106f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21078f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2108e3a2b7edSAmir Vadai u16 addr_type = 0; 2109e3a2b7edSAmir Vadai u8 ip_proto = 0; 211093b3586eSHuy Nguyen u8 *match_level; 21116d65bc64Swenxu int err; 2112e3a2b7edSAmir Vadai 211393b3586eSHuy Nguyen match_level = outer_match_level; 2114de0af0bfSRoi Dayan 21158f256622SPablo Neira Ayuso if (dissector->used_keys & 21163d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 21173d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2118e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2119e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2120095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2121699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2122e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2123e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2124bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2125bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2126bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2127bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2128bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2129e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2130fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2131bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 21324c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 21339272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 21349272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) { 2135e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 2136e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 21378f256622SPablo Neira Ayuso dissector->used_keys); 2138e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2139e3a2b7edSAmir Vadai } 2140e3a2b7edSAmir Vadai 2141075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 21420a7fcb78SPaul Blakey bool match_inner = false; 2143bbd00f7eSHadar Hen Zion 21440a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 21450a7fcb78SPaul Blakey outer_match_level, &match_inner); 21460a7fcb78SPaul Blakey if (err) 21470a7fcb78SPaul Blakey return err; 21480a7fcb78SPaul Blakey 21490a7fcb78SPaul Blakey if (match_inner) { 21500a7fcb78SPaul Blakey /* header pointers should point to the inner headers 21510a7fcb78SPaul Blakey * if the packet was decapsulated already. 21520a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2153bbd00f7eSHadar Hen Zion */ 215493b3586eSHuy Nguyen match_level = inner_match_level; 21550a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 21560a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 21570a7fcb78SPaul Blakey } 2158bbd00f7eSHadar Hen Zion } 2159bbd00f7eSHadar Hen Zion 21606d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 21616d65bc64Swenxu if (err) 21626d65bc64Swenxu return err; 21636d65bc64Swenxu 21648f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 21658f256622SPablo Neira Ayuso struct flow_match_basic match; 2166e3a2b7edSAmir Vadai 21678f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 21688f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 21698f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 21708f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 21718f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 21728f256622SPablo Neira Ayuso 21738f256622SPablo Neira Ayuso if (match.mask->n_proto) 2174d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2175e3a2b7edSAmir Vadai } 217635a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 217735a605dbSEli Britstein is_vlan_dev(filter_dev)) { 217835a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 217935a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 21808f256622SPablo Neira Ayuso struct flow_match_vlan match; 21818f256622SPablo Neira Ayuso 218235a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 218335a605dbSEli Britstein match.key = &filter_dev_key; 218435a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 218535a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 218635a605dbSEli Britstein match.key->vlan_priority = 0; 218735a605dbSEli Britstein match.mask = &filter_dev_mask; 218835a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 218935a605dbSEli Britstein match.mask->vlan_priority = 0; 219035a605dbSEli Britstein } else { 21918f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 219235a605dbSEli Britstein } 21938f256622SPablo Neira Ayuso if (match.mask->vlan_id || 21948f256622SPablo Neira Ayuso match.mask->vlan_priority || 21958f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 21968f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2197699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2198699e96ddSJianbo Liu svlan_tag, 1); 2199699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2200699e96ddSJianbo Liu svlan_tag, 1); 2201699e96ddSJianbo Liu } else { 2202699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2203699e96ddSJianbo Liu cvlan_tag, 1); 2204699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2205699e96ddSJianbo Liu cvlan_tag, 1); 2206699e96ddSJianbo Liu } 2207095b6cfdSOr Gerlitz 22088f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 22098f256622SPablo Neira Ayuso match.mask->vlan_id); 22108f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 22118f256622SPablo Neira Ayuso match.key->vlan_id); 2212358d79a4SOr Gerlitz 22138f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 22148f256622SPablo Neira Ayuso match.mask->vlan_priority); 22158f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 22168f256622SPablo Neira Ayuso match.key->vlan_priority); 221754782900SOr Gerlitz 2218d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2219095b6cfdSOr Gerlitz } 2220d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2221fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2222fc603294SMark Bloch * disabled in match value means both S & C tags 2223fc603294SMark Bloch * don't exist (untagged of both) 2224fc603294SMark Bloch */ 2225cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2226d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2227095b6cfdSOr Gerlitz } 2228095b6cfdSOr Gerlitz 22298f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 22308f256622SPablo Neira Ayuso struct flow_match_vlan match; 22318f256622SPablo Neira Ayuso 223212d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 22338f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22348f256622SPablo Neira Ayuso match.mask->vlan_priority || 22358f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 22368f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2237699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2238699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2239699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2240699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2241699e96ddSJianbo Liu } else { 2242699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2243699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2244699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2245699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2246699e96ddSJianbo Liu } 2247699e96ddSJianbo Liu 2248699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 22498f256622SPablo Neira Ayuso match.mask->vlan_id); 2250699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 22518f256622SPablo Neira Ayuso match.key->vlan_id); 2252699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 22538f256622SPablo Neira Ayuso match.mask->vlan_priority); 2254699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 22558f256622SPablo Neira Ayuso match.key->vlan_priority); 2256699e96ddSJianbo Liu 2257699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 2258699e96ddSJianbo Liu } 2259699e96ddSJianbo Liu } 2260699e96ddSJianbo Liu 22618f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 22628f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 226354782900SOr Gerlitz 22648f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2265d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2266d3a80bb5SOr Gerlitz dmac_47_16), 22678f256622SPablo Neira Ayuso match.mask->dst); 2268d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2269d3a80bb5SOr Gerlitz dmac_47_16), 22708f256622SPablo Neira Ayuso match.key->dst); 2271d3a80bb5SOr Gerlitz 2272d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2273d3a80bb5SOr Gerlitz smac_47_16), 22748f256622SPablo Neira Ayuso match.mask->src); 2275d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2276d3a80bb5SOr Gerlitz smac_47_16), 22778f256622SPablo Neira Ayuso match.key->src); 2278d3a80bb5SOr Gerlitz 22798f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 22808f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2281d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 228254782900SOr Gerlitz } 228354782900SOr Gerlitz 22848f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 22858f256622SPablo Neira Ayuso struct flow_match_control match; 228654782900SOr Gerlitz 22878f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 22888f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 228954782900SOr Gerlitz 229054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 22918f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 229254782900SOr Gerlitz return -EOPNOTSUPP; 229354782900SOr Gerlitz 22948f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 229554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 229654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 22978f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 229854782900SOr Gerlitz 229954782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 23008f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 230183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 230254782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 230354782900SOr Gerlitz else 230483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 230554782900SOr Gerlitz } 230654782900SOr Gerlitz } 230754782900SOr Gerlitz 23088f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 23098f256622SPablo Neira Ayuso struct flow_match_basic match; 23108f256622SPablo Neira Ayuso 23118f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 23128f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 231354782900SOr Gerlitz 231454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 23158f256622SPablo Neira Ayuso match.mask->ip_proto); 231654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 23178f256622SPablo Neira Ayuso match.key->ip_proto); 231854782900SOr Gerlitz 23198f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2320d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 232154782900SOr Gerlitz } 232254782900SOr Gerlitz 2323e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 23248f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2325e3a2b7edSAmir Vadai 23268f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2327e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2328e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23298f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2330e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2331e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23328f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2333e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2334e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23358f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2336e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2337e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23388f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2339de0af0bfSRoi Dayan 23408f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2341d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2342e3a2b7edSAmir Vadai } 2343e3a2b7edSAmir Vadai 2344e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 23458f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2346e3a2b7edSAmir Vadai 23478f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2348e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2349e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23508f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2351e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2352e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23538f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2354e3a2b7edSAmir Vadai 2355e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2356e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23578f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2358e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2359e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23608f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2361de0af0bfSRoi Dayan 23628f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 23638f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2364d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2365e3a2b7edSAmir Vadai } 2366e3a2b7edSAmir Vadai 23678f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 23688f256622SPablo Neira Ayuso struct flow_match_ip match; 23691f97a526SOr Gerlitz 23708f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 23718f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 23728f256622SPablo Neira Ayuso match.mask->tos & 0x3); 23738f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 23748f256622SPablo Neira Ayuso match.key->tos & 0x3); 23751f97a526SOr Gerlitz 23768f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 23778f256622SPablo Neira Ayuso match.mask->tos >> 2); 23788f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 23798f256622SPablo Neira Ayuso match.key->tos >> 2); 23801f97a526SOr Gerlitz 23818f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 23828f256622SPablo Neira Ayuso match.mask->ttl); 23838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 23848f256622SPablo Neira Ayuso match.key->ttl); 23851f97a526SOr Gerlitz 23868f256622SPablo Neira Ayuso if (match.mask->ttl && 2387a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2388e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2389e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2390e98bedf5SEli Britstein "Matching on TTL is not supported"); 23911f97a526SOr Gerlitz return -EOPNOTSUPP; 2392e98bedf5SEli Britstein } 2393a8ade55fSOr Gerlitz 23948f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2395d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 23961f97a526SOr Gerlitz } 23971f97a526SOr Gerlitz 239854782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 239954782900SOr Gerlitz 24008f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 24018f256622SPablo Neira Ayuso struct flow_match_ports match; 24028f256622SPablo Neira Ayuso 24038f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2404e3a2b7edSAmir Vadai switch (ip_proto) { 2405e3a2b7edSAmir Vadai case IPPROTO_TCP: 2406e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24078f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2408e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24098f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2410e3a2b7edSAmir Vadai 2411e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24128f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2413e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24148f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2415e3a2b7edSAmir Vadai break; 2416e3a2b7edSAmir Vadai 2417e3a2b7edSAmir Vadai case IPPROTO_UDP: 2418e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24198f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2420e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24218f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2422e3a2b7edSAmir Vadai 2423e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24248f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2425e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24268f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2427e3a2b7edSAmir Vadai break; 2428e3a2b7edSAmir Vadai default: 2429e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2430e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2431e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2432e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2433e3a2b7edSAmir Vadai return -EINVAL; 2434e3a2b7edSAmir Vadai } 2435de0af0bfSRoi Dayan 24368f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2437d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2438e3a2b7edSAmir Vadai } 2439e3a2b7edSAmir Vadai 24408f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 24418f256622SPablo Neira Ayuso struct flow_match_tcp match; 2442e77834ecSOr Gerlitz 24438f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2444e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 24458f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2446e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 24478f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2448e77834ecSOr Gerlitz 24498f256622SPablo Neira Ayuso if (match.mask->flags) 2450d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2451e77834ecSOr Gerlitz } 2452e77834ecSOr Gerlitz 2453e3a2b7edSAmir Vadai return 0; 2454e3a2b7edSAmir Vadai } 2455e3a2b7edSAmir Vadai 2456de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 245765ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2458de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2459f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 246054c177caSOz Shlomo struct net_device *filter_dev) 2461de0af0bfSRoi Dayan { 246293b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2463e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2464de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2465de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 24661d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 24671d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2468226f2ca3SVlad Buslov bool is_eswitch_flow; 2469de0af0bfSRoi Dayan int err; 2470de0af0bfSRoi Dayan 247193b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 247293b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 247393b3586eSHuy Nguyen 24740a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 24750a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 247693b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 247793b3586eSHuy Nguyen outer_match_level : inner_match_level; 2478de0af0bfSRoi Dayan 2479226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2480226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 24811d447a39SSaeed Mahameed rep = rpriv->rep; 2482b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 24831d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 248493b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2485e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2486e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2487de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2488de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 248993b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2490de0af0bfSRoi Dayan return -EOPNOTSUPP; 2491de0af0bfSRoi Dayan } 2492de0af0bfSRoi Dayan } 2493de0af0bfSRoi Dayan 2494226f2ca3SVlad Buslov if (is_eswitch_flow) { 249593b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 249693b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 24976363651dSOr Gerlitz } else { 249893b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 24996363651dSOr Gerlitz } 250038aa51c1SOr Gerlitz 2501de0af0bfSRoi Dayan return err; 2502de0af0bfSRoi Dayan } 2503de0af0bfSRoi Dayan 2504d79b6df6SOr Gerlitz struct pedit_headers { 2505d79b6df6SOr Gerlitz struct ethhdr eth; 25060eb69bb9SEli Britstein struct vlan_hdr vlan; 2507d79b6df6SOr Gerlitz struct iphdr ip4; 2508d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2509d79b6df6SOr Gerlitz struct tcphdr tcp; 2510d79b6df6SOr Gerlitz struct udphdr udp; 2511d79b6df6SOr Gerlitz }; 2512d79b6df6SOr Gerlitz 2513c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2514c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2515c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2516c500c86bSPablo Neira Ayuso u32 pedits; 2517c500c86bSPablo Neira Ayuso }; 2518c500c86bSPablo Neira Ayuso 2519d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 252073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 252173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 252273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 252373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 252473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2525d79b6df6SOr Gerlitz }; 2526d79b6df6SOr Gerlitz 2527d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2528d79b6df6SOr Gerlitz 2529d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2530c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2531d79b6df6SOr Gerlitz { 2532d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2533d79b6df6SOr Gerlitz 2534c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2535c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2536d79b6df6SOr Gerlitz 2537d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2538d79b6df6SOr Gerlitz goto out_err; 2539d79b6df6SOr Gerlitz 2540d79b6df6SOr Gerlitz *curr_pmask |= mask; 2541d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2542d79b6df6SOr Gerlitz 2543d79b6df6SOr Gerlitz return 0; 2544d79b6df6SOr Gerlitz 2545d79b6df6SOr Gerlitz out_err: 2546d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2547d79b6df6SOr Gerlitz } 2548d79b6df6SOr Gerlitz 2549d79b6df6SOr Gerlitz struct mlx5_fields { 2550d79b6df6SOr Gerlitz u8 field; 255188f30bbcSDmytro Linkin u8 field_bsize; 255288f30bbcSDmytro Linkin u32 field_mask; 2553d79b6df6SOr Gerlitz u32 offset; 255427c11b6bSEli Britstein u32 match_offset; 2555d79b6df6SOr Gerlitz }; 2556d79b6df6SOr Gerlitz 255788f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 255888f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 255927c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 256027c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 256127c11b6bSEli Britstein 25622ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 25632ef86872SEli Britstein * match. 25642ef86872SEli Britstein */ 25652ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 25662ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 25672ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 25682ef86872SEli Britstein type maskx = *(type *)(maskp); \ 25692ef86872SEli Britstein type valx = *(type *)(valp); \ 25702ef86872SEli Britstein \ 25712ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 25722ef86872SEli Britstein matchmaskx)); \ 25732ef86872SEli Britstein }) 25742ef86872SEli Britstein 257527c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 257688f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 257727c11b6bSEli Britstein { 257827c11b6bSEli Britstein bool same = false; 257927c11b6bSEli Britstein 258088f30bbcSDmytro Linkin switch (bsize) { 258188f30bbcSDmytro Linkin case 8: 25822ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 258327c11b6bSEli Britstein break; 258488f30bbcSDmytro Linkin case 16: 25852ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 258627c11b6bSEli Britstein break; 258788f30bbcSDmytro Linkin case 32: 25882ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 258927c11b6bSEli Britstein break; 259027c11b6bSEli Britstein } 259127c11b6bSEli Britstein 259227c11b6bSEli Britstein return same; 259327c11b6bSEli Britstein } 2594a8e4f0c4SOr Gerlitz 2595d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 259688f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 259788f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 259888f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 259988f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 260088f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 260188f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2602d79b6df6SOr Gerlitz 2603ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 260488f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 260588f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 260688f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2607d79b6df6SOr Gerlitz 260888f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 260927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 261088f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 261127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 261288f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 261327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 261488f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 261527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 261688f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 261727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 261888f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 261927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 262088f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 262127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 262288f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 262327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 262488f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2625d79b6df6SOr Gerlitz 262688f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 262788f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 262888f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 262988f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2630d79b6df6SOr Gerlitz 263188f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 263288f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2633d79b6df6SOr Gerlitz }; 2634d79b6df6SOr Gerlitz 26356ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 26366ae4a6a5SPaul Blakey int namespace, 26376ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2638e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 263927c11b6bSEli Britstein u32 *action_flags, 2640e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2641d79b6df6SOr Gerlitz { 2642d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 26436ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 264488f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 264588f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 26466ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2647d79b6df6SOr Gerlitz struct mlx5_fields *f; 2648d79b6df6SOr Gerlitz unsigned long mask; 26492b64bebaSOr Gerlitz __be32 mask_be32; 26502b64bebaSOr Gerlitz __be16 mask_be16; 26516ae4a6a5SPaul Blakey int err; 265288f30bbcSDmytro Linkin u8 cmd; 265388f30bbcSDmytro Linkin 26546ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 265588f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 265688f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2657d79b6df6SOr Gerlitz 265873867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 265973867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 266073867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 266173867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2662d79b6df6SOr Gerlitz 2663d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2664d79b6df6SOr Gerlitz 2665d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 266627c11b6bSEli Britstein bool skip; 266727c11b6bSEli Britstein 2668d79b6df6SOr Gerlitz f = &fields[i]; 2669d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2670e3ca4e05SOr Gerlitz s_mask = 0; 2671e3ca4e05SOr Gerlitz a_mask = 0; 2672d79b6df6SOr Gerlitz 2673d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2674d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2675d79b6df6SOr Gerlitz 267688f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 267788f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2678d79b6df6SOr Gerlitz 2679d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2680d79b6df6SOr Gerlitz continue; 2681d79b6df6SOr Gerlitz 2682d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2683e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2684e98bedf5SEli Britstein "can't set and add to the same HW field"); 2685d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2686d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2687d79b6df6SOr Gerlitz } 2688d79b6df6SOr Gerlitz 268927c11b6bSEli Britstein skip = false; 2690d79b6df6SOr Gerlitz if (s_mask) { 269127c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 269227c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 269327c11b6bSEli Britstein 2694d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2695d79b6df6SOr Gerlitz mask = s_mask; 2696d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 269727c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 269827c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 269988f30bbcSDmytro Linkin match_mask, f->field_bsize)) 270027c11b6bSEli Britstein skip = true; 2701d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 270288f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2703d79b6df6SOr Gerlitz } else { 2704d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2705d79b6df6SOr Gerlitz mask = a_mask; 2706d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 270727c11b6bSEli Britstein /* add 0 is no change */ 270888f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 270927c11b6bSEli Britstein skip = true; 2710d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 271188f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2712d79b6df6SOr Gerlitz } 271327c11b6bSEli Britstein if (skip) 271427c11b6bSEli Britstein continue; 2715d79b6df6SOr Gerlitz 271688f30bbcSDmytro Linkin if (f->field_bsize == 32) { 27172b64bebaSOr Gerlitz mask_be32 = *(__be32 *)&mask; 27182b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 271988f30bbcSDmytro Linkin } else if (f->field_bsize == 16) { 27202b64bebaSOr Gerlitz mask_be16 = *(__be16 *)&mask; 27212b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 27222b64bebaSOr Gerlitz } 27232b64bebaSOr Gerlitz 272488f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 272588f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 272688f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 27272b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2728e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2729e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 27302b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2731d79b6df6SOr Gerlitz mask); 2732d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2733d79b6df6SOr Gerlitz } 2734d79b6df6SOr Gerlitz 27356ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 27366ae4a6a5SPaul Blakey if (err) { 27376ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 27386ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 27396ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 27406ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 27416ae4a6a5SPaul Blakey mod_acts->num_actions); 27426ae4a6a5SPaul Blakey return err; 27436ae4a6a5SPaul Blakey } 27446ae4a6a5SPaul Blakey 27456ae4a6a5SPaul Blakey action = mod_acts->actions + 27466ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2747d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2748d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2749d79b6df6SOr Gerlitz 2750d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 275188f30bbcSDmytro Linkin int start; 275288f30bbcSDmytro Linkin 275388f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 275488f30bbcSDmytro Linkin start = find_first_bit((unsigned long *)&f->field_mask, 275588f30bbcSDmytro Linkin f->field_bsize); 275688f30bbcSDmytro Linkin 275788f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2758d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 27592b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2760d79b6df6SOr Gerlitz } 2761d79b6df6SOr Gerlitz 276288f30bbcSDmytro Linkin if (f->field_bsize == 32) 27632b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 276488f30bbcSDmytro Linkin else if (f->field_bsize == 16) 27652b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 276688f30bbcSDmytro Linkin else if (f->field_bsize == 8) 27672b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2768d79b6df6SOr Gerlitz 27696ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2770d79b6df6SOr Gerlitz } 2771d79b6df6SOr Gerlitz 2772d79b6df6SOr Gerlitz return 0; 2773d79b6df6SOr Gerlitz } 2774d79b6df6SOr Gerlitz 27752cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 27762cc1cb1dSTonghao Zhang int namespace) 27772cc1cb1dSTonghao Zhang { 27782cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 27792cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 27802cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 27812cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 27822cc1cb1dSTonghao Zhang } 27832cc1cb1dSTonghao Zhang 27846ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2785c500c86bSPablo Neira Ayuso int namespace, 27866ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2787d79b6df6SOr Gerlitz { 27886ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 27896ae4a6a5SPaul Blakey size_t new_sz, old_sz; 27906ae4a6a5SPaul Blakey void *ret; 2791d79b6df6SOr Gerlitz 27926ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 27936ae4a6a5SPaul Blakey return 0; 27946ae4a6a5SPaul Blakey 2795d79b6df6SOr Gerlitz action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto); 2796d79b6df6SOr Gerlitz 27976ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 27986ae4a6a5SPaul Blakey namespace); 27996ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 28006ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 28016ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 28026ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 28036ae4a6a5SPaul Blakey return -ENOSPC; 2804d79b6df6SOr Gerlitz 28056ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 28066ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 28076ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 28086ae4a6a5SPaul Blakey if (!ret) 2809d79b6df6SOr Gerlitz return -ENOMEM; 2810d79b6df6SOr Gerlitz 28116ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 28126ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 28136ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 28146ae4a6a5SPaul Blakey 2815d79b6df6SOr Gerlitz return 0; 2816d79b6df6SOr Gerlitz } 2817d79b6df6SOr Gerlitz 28186ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 28196ae4a6a5SPaul Blakey { 28206ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 28216ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 28226ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 28236ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 28246ae4a6a5SPaul Blakey } 28256ae4a6a5SPaul Blakey 2826d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2827d79b6df6SOr Gerlitz 2828d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 282973867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2830c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2831e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2832d79b6df6SOr Gerlitz { 283373867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 283473867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2835d79b6df6SOr Gerlitz u32 mask, val, offset; 283673867881SPablo Neira Ayuso u8 htype; 2837d79b6df6SOr Gerlitz 283873867881SPablo Neira Ayuso htype = act->mangle.htype; 2839d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2840d79b6df6SOr Gerlitz 284173867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 284273867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2843d79b6df6SOr Gerlitz goto out_err; 2844d79b6df6SOr Gerlitz } 2845d79b6df6SOr Gerlitz 28462cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 28472cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 28482cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 28492cc1cb1dSTonghao Zhang goto out_err; 28502cc1cb1dSTonghao Zhang } 28512cc1cb1dSTonghao Zhang 285273867881SPablo Neira Ayuso mask = act->mangle.mask; 285373867881SPablo Neira Ayuso val = act->mangle.val; 285473867881SPablo Neira Ayuso offset = act->mangle.offset; 2855d79b6df6SOr Gerlitz 2856c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2857d79b6df6SOr Gerlitz if (err) 2858d79b6df6SOr Gerlitz goto out_err; 2859c500c86bSPablo Neira Ayuso 2860c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2861d79b6df6SOr Gerlitz 2862c500c86bSPablo Neira Ayuso return 0; 2863c500c86bSPablo Neira Ayuso out_err: 2864c500c86bSPablo Neira Ayuso return err; 2865c500c86bSPablo Neira Ayuso } 2866c500c86bSPablo Neira Ayuso 2867c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2868c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2869c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 287027c11b6bSEli Britstein u32 *action_flags, 2871c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2872c500c86bSPablo Neira Ayuso { 2873c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2874c500c86bSPablo Neira Ayuso int err; 2875c500c86bSPablo Neira Ayuso u8 cmd; 2876c500c86bSPablo Neira Ayuso 28776ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 28786ae4a6a5SPaul Blakey action_flags, extack); 2879d79b6df6SOr Gerlitz if (err < 0) 2880d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2881d79b6df6SOr Gerlitz 2882d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2883c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2884d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2885e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2886e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2887b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2888d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2889d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2890d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2891d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2892d79b6df6SOr Gerlitz } 2893d79b6df6SOr Gerlitz } 2894d79b6df6SOr Gerlitz 2895d79b6df6SOr Gerlitz return 0; 2896d79b6df6SOr Gerlitz 2897d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 28986ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2899d79b6df6SOr Gerlitz return err; 2900d79b6df6SOr Gerlitz } 2901d79b6df6SOr Gerlitz 2902e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2903e98bedf5SEli Britstein u32 action, 2904e98bedf5SEli Britstein u32 update_flags, 2905e98bedf5SEli Britstein struct netlink_ext_ack *extack) 290626c02749SOr Gerlitz { 290726c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 290826c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 290926c02749SOr Gerlitz 291026c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 291126c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2912e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2913e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 291426c02749SOr Gerlitz netdev_warn(priv->netdev, 291526c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 291626c02749SOr Gerlitz return false; 291726c02749SOr Gerlitz } 291826c02749SOr Gerlitz 291926c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2920e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2921e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 292226c02749SOr Gerlitz netdev_warn(priv->netdev, 292326c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 292426c02749SOr Gerlitz update_flags); 292526c02749SOr Gerlitz return false; 292626c02749SOr Gerlitz } 292726c02749SOr Gerlitz 292826c02749SOr Gerlitz return true; 292926c02749SOr Gerlitz } 293026c02749SOr Gerlitz 29318998576bSDmytro Linkin struct ip_ttl_word { 29328998576bSDmytro Linkin __u8 ttl; 29338998576bSDmytro Linkin __u8 protocol; 29348998576bSDmytro Linkin __sum16 check; 29358998576bSDmytro Linkin }; 29368998576bSDmytro Linkin 29378998576bSDmytro Linkin struct ipv6_hoplimit_word { 29388998576bSDmytro Linkin __be16 payload_len; 29398998576bSDmytro Linkin __u8 nexthdr; 29408998576bSDmytro Linkin __u8 hop_limit; 29418998576bSDmytro Linkin }; 29428998576bSDmytro Linkin 29434c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 29444c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 29454c3844d9SPaul Blakey struct netlink_ext_ack *extack) 29468998576bSDmytro Linkin { 29478998576bSDmytro Linkin u32 mask, offset; 29488998576bSDmytro Linkin u8 htype; 29498998576bSDmytro Linkin 29508998576bSDmytro Linkin htype = act->mangle.htype; 29518998576bSDmytro Linkin offset = act->mangle.offset; 29528998576bSDmytro Linkin mask = ~act->mangle.mask; 29538998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 29548998576bSDmytro Linkin * to determine that modified fields 29558998576bSDmytro Linkin * are NOT ttl & hop_limit only. 29568998576bSDmytro Linkin */ 29578998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 29588998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 29598998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 29608998576bSDmytro Linkin 29618998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 29628998576bSDmytro Linkin ttl_word->protocol || 29638998576bSDmytro Linkin ttl_word->check) { 29644c3844d9SPaul Blakey *modify_ip_header = true; 29654c3844d9SPaul Blakey } 29664c3844d9SPaul Blakey 29674c3844d9SPaul Blakey if (ct_flow && offset >= offsetof(struct iphdr, saddr)) { 29684c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29694c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 29704c3844d9SPaul Blakey return -EOPNOTSUPP; 29718998576bSDmytro Linkin } 29728998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 29738998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 29748998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 29758998576bSDmytro Linkin 29768998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 29778998576bSDmytro Linkin hoplimit_word->payload_len || 29788998576bSDmytro Linkin hoplimit_word->nexthdr) { 29794c3844d9SPaul Blakey *modify_ip_header = true; 29808998576bSDmytro Linkin } 29814c3844d9SPaul Blakey 29824c3844d9SPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) { 29834c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29844c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 29854c3844d9SPaul Blakey return -EOPNOTSUPP; 29868998576bSDmytro Linkin } 29874c3844d9SPaul Blakey } else if (ct_flow && (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 29884c3844d9SPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP)) { 29894c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29904c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 29914c3844d9SPaul Blakey return -EOPNOTSUPP; 29924c3844d9SPaul Blakey } 29934c3844d9SPaul Blakey 29944c3844d9SPaul Blakey return 0; 29958998576bSDmytro Linkin } 29968998576bSDmytro Linkin 2997bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 299873867881SPablo Neira Ayuso struct flow_action *flow_action, 29994c3844d9SPaul Blakey u32 actions, bool ct_flow, 3000e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3001bdd66ac0SOr Gerlitz { 300273867881SPablo Neira Ayuso const struct flow_action_entry *act; 3003bdd66ac0SOr Gerlitz bool modify_ip_header; 3004bdd66ac0SOr Gerlitz void *headers_v; 3005bdd66ac0SOr Gerlitz u16 ethertype; 30068998576bSDmytro Linkin u8 ip_proto; 30074c3844d9SPaul Blakey int i, err; 3008bdd66ac0SOr Gerlitz 30098377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3010bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3011bdd66ac0SOr Gerlitz 3012bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3013bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3014bdd66ac0SOr Gerlitz goto out_ok; 3015bdd66ac0SOr Gerlitz 3016bdd66ac0SOr Gerlitz modify_ip_header = false; 301773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 301873867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 301973867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3020bdd66ac0SOr Gerlitz continue; 3021bdd66ac0SOr Gerlitz 30224c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 30234c3844d9SPaul Blakey &modify_ip_header, extack); 30244c3844d9SPaul Blakey if (err) 30254c3844d9SPaul Blakey return err; 3026bdd66ac0SOr Gerlitz } 3027bdd66ac0SOr Gerlitz 3028bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 30291ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 30301ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3031e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3032e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 3033bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 3034bdd66ac0SOr Gerlitz return false; 3035bdd66ac0SOr Gerlitz } 3036bdd66ac0SOr Gerlitz 3037bdd66ac0SOr Gerlitz out_ok: 3038bdd66ac0SOr Gerlitz return true; 3039bdd66ac0SOr Gerlitz } 3040bdd66ac0SOr Gerlitz 3041bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 304273867881SPablo Neira Ayuso struct flow_action *flow_action, 3043bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3044e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3045e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3046bdd66ac0SOr Gerlitz { 3047d0645b37SRoi Dayan bool ct_flow; 3048bdd66ac0SOr Gerlitz u32 actions; 3049bdd66ac0SOr Gerlitz 30504c3844d9SPaul Blakey ct_flow = flow_flag_test(flow, CT); 30514c3844d9SPaul Blakey if (mlx5e_is_eswitch_flow(flow)) { 3052bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 30534c3844d9SPaul Blakey 30544c3844d9SPaul Blakey if (flow->esw_attr->split_count && ct_flow) { 30554c3844d9SPaul Blakey /* All registers used by ct are cleared when using 30564c3844d9SPaul Blakey * split rules. 30574c3844d9SPaul Blakey */ 30584c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30594c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 30604c3844d9SPaul Blakey return -EOPNOTSUPP; 30614c3844d9SPaul Blakey } 30624c3844d9SPaul Blakey } else { 3063bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 30644c3844d9SPaul Blakey } 3065bdd66ac0SOr Gerlitz 3066bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 306773867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 3068a655fe9fSDavid S. Miller flow_action, actions, 30694c3844d9SPaul Blakey ct_flow, extack); 3070bdd66ac0SOr Gerlitz 3071bdd66ac0SOr Gerlitz return true; 3072bdd66ac0SOr Gerlitz } 3073bdd66ac0SOr Gerlitz 30745c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 30755c65c564SOr Gerlitz { 30765c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3077816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 30785c65c564SOr Gerlitz 30795c65c564SOr Gerlitz fmdev = priv->mdev; 30805c65c564SOr Gerlitz pmdev = peer_priv->mdev; 30815c65c564SOr Gerlitz 308259c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 308359c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 30845c65c564SOr Gerlitz 3085816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 30865c65c564SOr Gerlitz } 30875c65c564SOr Gerlitz 3088bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3089bdc837eeSEli Britstein const struct flow_action_entry *act, 3090bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3091bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3092bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3093bdc837eeSEli Britstein { 3094bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3095bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3096bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3097bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3098bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3099bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3100bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3101bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3102bdc837eeSEli Britstein }; 31036fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3104bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3105bdc837eeSEli Britstein int err; 3106bdc837eeSEli Britstein 3107bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3108bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3109bf2f3bcaSEli Britstein 3110bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3111bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3112bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3113bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3114bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3115bf2f3bcaSEli Britstein } 3116bf2f3bcaSEli Britstein 31176fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 31186fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 31196fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 31206fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 31216fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3122bdc837eeSEli Britstein return -EOPNOTSUPP; 3123bdc837eeSEli Britstein } 3124bdc837eeSEli Britstein 3125dec481c8SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, hdrs, NULL); 3126bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3127bdc837eeSEli Britstein 3128bdc837eeSEli Britstein return err; 3129bdc837eeSEli Britstein } 3130bdc837eeSEli Britstein 31310bac1194SEli Britstein static int 31320bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 31330bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 31340bac1194SEli Britstein struct pedit_headers_action *hdrs, 31350bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 31360bac1194SEli Britstein { 31370bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 31380bac1194SEli Britstein .vlan.vid = 0, 31390bac1194SEli Britstein .vlan.prio = 31400bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 31410bac1194SEli Britstein get_match_headers_value(*action, 31420bac1194SEli Britstein &parse_attr->spec), 31430bac1194SEli Britstein first_prio) & 31440bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 31450bac1194SEli Britstein get_match_headers_criteria(*action, 31460bac1194SEli Britstein &parse_attr->spec), 31470bac1194SEli Britstein first_prio), 31480bac1194SEli Britstein }; 31490bac1194SEli Britstein 31500bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 31510bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 31520bac1194SEli Britstein extack); 31530bac1194SEli Britstein } 31540bac1194SEli Britstein 315573867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 315673867881SPablo Neira Ayuso struct flow_action *flow_action, 3157aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3158e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3159e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3160e3a2b7edSAmir Vadai { 3161aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 316273867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 316373867881SPablo Neira Ayuso const struct flow_action_entry *act; 31641cab1cd7SOr Gerlitz u32 action = 0; 3165244cd96aSCong Wang int err, i; 3166e3a2b7edSAmir Vadai 316773867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3168e3a2b7edSAmir Vadai return -EINVAL; 3169e3a2b7edSAmir Vadai 317048855479SJiri Pirko if (!flow_action_hw_stats_types_check(flow_action, extack, 3171a16fa289SJiri Pirko FLOW_ACTION_HW_STATS_TYPE_DELAYED_BIT)) 3172319a1d19SJiri Pirko return -EOPNOTSUPP; 3173319a1d19SJiri Pirko 31743bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3175e3a2b7edSAmir Vadai 317673867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 317773867881SPablo Neira Ayuso switch (act->id) { 317815fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 317915fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 318015fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 318115fc92ecSTonghao Zhang break; 318273867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 31831cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3184aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3185aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 31861cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 318773867881SPablo Neira Ayuso break; 318873867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 318973867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 319073867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3191dec481c8SEli Cohen hdrs, extack); 31922f4fe4caSOr Gerlitz if (err) 31932f4fe4caSOr Gerlitz return err; 31942f4fe4caSOr Gerlitz 31951cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 31962f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 319773867881SPablo Neira Ayuso break; 3198bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3199bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3200bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3201bdc837eeSEli Britstein act, parse_attr, hdrs, 3202bdc837eeSEli Britstein &action, extack); 3203bdc837eeSEli Britstein if (err) 3204bdc837eeSEli Britstein return err; 3205bdc837eeSEli Britstein 3206bdc837eeSEli Britstein break; 320773867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 32081cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 320973867881SPablo Neira Ayuso act->csum_flags, 3210e98bedf5SEli Britstein extack)) 321173867881SPablo Neira Ayuso break; 321226c02749SOr Gerlitz 321326c02749SOr Gerlitz return -EOPNOTSUPP; 321473867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 321573867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 32165c65c564SOr Gerlitz 32175c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 32185c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 321998b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3220226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 32211cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 32225c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 32235c65c564SOr Gerlitz } else { 3224e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3225e98bedf5SEli Britstein "device is not on same HW, can't offload"); 32265c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 32275c65c564SOr Gerlitz peer_dev->name); 32285c65c564SOr Gerlitz return -EINVAL; 32295c65c564SOr Gerlitz } 32305c65c564SOr Gerlitz } 323173867881SPablo Neira Ayuso break; 323273867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 323373867881SPablo Neira Ayuso u32 mark = act->mark; 3234e3a2b7edSAmir Vadai 3235e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3236e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3237e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3238e3a2b7edSAmir Vadai return -EINVAL; 3239e3a2b7edSAmir Vadai } 3240e3a2b7edSAmir Vadai 32413bc4b7bfSOr Gerlitz attr->flow_tag = mark; 32421cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3243e3a2b7edSAmir Vadai } 324473867881SPablo Neira Ayuso break; 324573867881SPablo Neira Ayuso default: 32462cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 32472cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3248e3a2b7edSAmir Vadai } 324973867881SPablo Neira Ayuso } 3250e3a2b7edSAmir Vadai 3251c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3252c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3253c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 325427c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3255c500c86bSPablo Neira Ayuso if (err) 3256c500c86bSPablo Neira Ayuso return err; 325727c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 325827c11b6bSEli Britstein * flag. 325927c11b6bSEli Britstein */ 32606ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 326127c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 32626ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3263e7739a60SEli Britstein } 3264c500c86bSPablo Neira Ayuso } 3265c500c86bSPablo Neira Ayuso 32661cab1cd7SOr Gerlitz attr->action = action; 326773867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3268bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3269bdd66ac0SOr Gerlitz 3270e3a2b7edSAmir Vadai return 0; 3271e3a2b7edSAmir Vadai } 3272e3a2b7edSAmir Vadai 32737f1a546eSEli Britstein struct encap_key { 32741f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 3275d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 32767f1a546eSEli Britstein }; 32777f1a546eSEli Britstein 32787f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 32797f1a546eSEli Britstein struct encap_key *b) 3280a54e20b4SHadar Hen Zion { 32817f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 3282d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 3283a54e20b4SHadar Hen Zion } 3284a54e20b4SHadar Hen Zion 32857f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 3286a54e20b4SHadar Hen Zion { 32877f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 3288d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 3289a54e20b4SHadar Hen Zion } 3290a54e20b4SHadar Hen Zion 3291a54e20b4SHadar Hen Zion 3292b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 3293b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3294b1d90e6bSRabie Loulou { 3295b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3296b1d90e6bSRabie Loulou 3297b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3298b1d90e6bSRabie Loulou 3299b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 330068931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 330168931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 330268931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3303b1d90e6bSRabie Loulou } 3304b1d90e6bSRabie Loulou 3305ce99f6b9SOr Gerlitz 330654c177caSOz Shlomo 3307948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 3308948993f2SVlad Buslov { 3309948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 3310948993f2SVlad Buslov } 3311948993f2SVlad Buslov 3312948993f2SVlad Buslov static struct mlx5e_encap_entry * 3313948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 3314948993f2SVlad Buslov uintptr_t hash_key) 3315948993f2SVlad Buslov { 3316948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3317948993f2SVlad Buslov struct mlx5e_encap_entry *e; 3318948993f2SVlad Buslov struct encap_key e_key; 3319948993f2SVlad Buslov 3320948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 3321948993f2SVlad Buslov encap_hlist, hash_key) { 3322948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 3323948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 3324948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 3325948993f2SVlad Buslov mlx5e_encap_take(e)) 3326948993f2SVlad Buslov return e; 3327948993f2SVlad Buslov } 3328948993f2SVlad Buslov 3329948993f2SVlad Buslov return NULL; 3330948993f2SVlad Buslov } 3331948993f2SVlad Buslov 33322a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 33332a4b6526SVlad Buslov { 33342a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 33352a4b6526SVlad Buslov 33362a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 33372a4b6526SVlad Buslov } 33382a4b6526SVlad Buslov 3339554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 3340554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 3341554fe75cSDmytro Linkin int out_index, 3342554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 3343554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3344554fe75cSDmytro Linkin { 3345554fe75cSDmytro Linkin int i; 3346554fe75cSDmytro Linkin 3347554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 3348554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 3349554fe75cSDmytro Linkin continue; 3350554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 3351554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 3352554fe75cSDmytro Linkin return true; 3353554fe75cSDmytro Linkin } 3354554fe75cSDmytro Linkin 3355554fe75cSDmytro Linkin return false; 3356554fe75cSDmytro Linkin } 3357554fe75cSDmytro Linkin 3358a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3359e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3360733d4f36SRoi Dayan struct net_device *mirred_dev, 3361733d4f36SRoi Dayan int out_index, 33628c4dc42bSEli Britstein struct netlink_ext_ack *extack, 33630ad060eeSRoi Dayan struct net_device **encap_dev, 33640ad060eeSRoi Dayan bool *encap_valid) 336503a9d11eSOr Gerlitz { 3366a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 336745247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3368733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 33691f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3370948993f2SVlad Buslov struct encap_key key; 3371c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3372733d4f36SRoi Dayan unsigned short family; 3373a54e20b4SHadar Hen Zion uintptr_t hash_key; 337454c177caSOz Shlomo int err = 0; 3375a54e20b4SHadar Hen Zion 3376733d4f36SRoi Dayan parse_attr = attr->parse_attr; 33771f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3378733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 33797f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3380d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3381d71f895cSEli Cohen if (!key.tc_tunnel) { 3382d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3383d71f895cSEli Cohen return -EOPNOTSUPP; 3384d71f895cSEli Cohen } 3385733d4f36SRoi Dayan 33867f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3387a54e20b4SHadar Hen Zion 338861086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3389948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3390a54e20b4SHadar Hen Zion 3391b2812089SVlad Buslov /* must verify if encap is valid or not */ 3392d589e785SVlad Buslov if (e) { 3393554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3394554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3395554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3396554fe75cSDmytro Linkin goto out_err; 3397554fe75cSDmytro Linkin } 3398554fe75cSDmytro Linkin 3399d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3400d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3401d589e785SVlad Buslov 3402d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3403d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 34043c140dd5SVlad Buslov if (e->compl_result < 0) { 3405d589e785SVlad Buslov err = -EREMOTEIO; 3406d589e785SVlad Buslov goto out_err; 3407d589e785SVlad Buslov } 340845247bf2SOr Gerlitz goto attach_flow; 3409d589e785SVlad Buslov } 3410a54e20b4SHadar Hen Zion 3411a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 341261086f39SVlad Buslov if (!e) { 341361086f39SVlad Buslov err = -ENOMEM; 341461086f39SVlad Buslov goto out_err; 341561086f39SVlad Buslov } 3416a54e20b4SHadar Hen Zion 3417948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3418d589e785SVlad Buslov init_completion(&e->res_ready); 3419d589e785SVlad Buslov 34202a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 34212a4b6526SVlad Buslov if (!tun_info) { 34222a4b6526SVlad Buslov err = -ENOMEM; 34232a4b6526SVlad Buslov goto out_err_init; 34242a4b6526SVlad Buslov } 34251f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3426101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 34272a4b6526SVlad Buslov if (err) 34282a4b6526SVlad Buslov goto out_err_init; 342954c177caSOz Shlomo 3430a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3431d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3432d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3433a54e20b4SHadar Hen Zion 3434ce99f6b9SOr Gerlitz if (family == AF_INET) 3435101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3436ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3437101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3438ce99f6b9SOr Gerlitz 3439d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3440d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3441d589e785SVlad Buslov complete_all(&e->res_ready); 3442d589e785SVlad Buslov if (err) { 3443d589e785SVlad Buslov e->compl_result = err; 3444a54e20b4SHadar Hen Zion goto out_err; 3445d589e785SVlad Buslov } 34463c140dd5SVlad Buslov e->compl_result = 1; 3447a54e20b4SHadar Hen Zion 344845247bf2SOr Gerlitz attach_flow: 3449948993f2SVlad Buslov flow->encaps[out_index].e = e; 34508c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 34518c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 345245247bf2SOr Gerlitz *encap_dev = e->out_dev; 34538c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 34542b688ea5SMaor Gottlieb attr->dests[out_index].pkt_reformat = e->pkt_reformat; 34558c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 34560ad060eeSRoi Dayan *encap_valid = true; 34578c4dc42bSEli Britstein } else { 34580ad060eeSRoi Dayan *encap_valid = false; 34598c4dc42bSEli Britstein } 346061086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 346145247bf2SOr Gerlitz 3462232c0013SHadar Hen Zion return err; 3463a54e20b4SHadar Hen Zion 3464a54e20b4SHadar Hen Zion out_err: 346561086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3466d589e785SVlad Buslov if (e) 3467d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3468a54e20b4SHadar Hen Zion return err; 34692a4b6526SVlad Buslov 34702a4b6526SVlad Buslov out_err_init: 34712a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 34722a4b6526SVlad Buslov kfree(tun_info); 34732a4b6526SVlad Buslov kfree(e); 34742a4b6526SVlad Buslov return err; 3475a54e20b4SHadar Hen Zion } 3476a54e20b4SHadar Hen Zion 34771482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 347873867881SPablo Neira Ayuso const struct flow_action_entry *act, 34791482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 34801482bd3dSJianbo Liu u32 *action) 34811482bd3dSJianbo Liu { 3482cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3483cc495188SJianbo Liu 3484cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 34851482bd3dSJianbo Liu return -EOPNOTSUPP; 3486cc495188SJianbo Liu 348773867881SPablo Neira Ayuso switch (act->id) { 348873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3489cc495188SJianbo Liu if (vlan_idx) { 3490cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3491cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3492cc495188SJianbo Liu return -EOPNOTSUPP; 3493cc495188SJianbo Liu 3494cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3495cc495188SJianbo Liu } else { 3496cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3497cc495188SJianbo Liu } 349873867881SPablo Neira Ayuso break; 349973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 350073867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 350173867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 350273867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3503cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3504cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3505cc495188SJianbo Liu 3506cc495188SJianbo Liu if (vlan_idx) { 3507cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3508cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3509cc495188SJianbo Liu return -EOPNOTSUPP; 3510cc495188SJianbo Liu 3511cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3512cc495188SJianbo Liu } else { 3513cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 351473867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 351573867881SPablo Neira Ayuso act->vlan.prio)) 3516cc495188SJianbo Liu return -EOPNOTSUPP; 3517cc495188SJianbo Liu 3518cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 35191482bd3dSJianbo Liu } 352073867881SPablo Neira Ayuso break; 352173867881SPablo Neira Ayuso default: 3522bdc837eeSEli Britstein return -EINVAL; 35231482bd3dSJianbo Liu } 35241482bd3dSJianbo Liu 3525cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3526cc495188SJianbo Liu 35271482bd3dSJianbo Liu return 0; 35281482bd3dSJianbo Liu } 35291482bd3dSJianbo Liu 3530278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3531278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3532278748a9SEli Britstein struct net_device **out_dev, 3533278748a9SEli Britstein u32 *action) 3534278748a9SEli Britstein { 3535278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3536278748a9SEli Britstein struct flow_action_entry vlan_act = { 3537278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3538278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3539278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3540278748a9SEli Britstein .vlan.prio = 0, 3541278748a9SEli Britstein }; 3542278748a9SEli Britstein int err; 3543278748a9SEli Britstein 3544278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3545278748a9SEli Britstein if (err) 3546278748a9SEli Britstein return err; 3547278748a9SEli Britstein 3548278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3549278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3550278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3551278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3552278748a9SEli Britstein 3553278748a9SEli Britstein return err; 3554278748a9SEli Britstein } 3555278748a9SEli Britstein 355635a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 355735a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 355835a605dbSEli Britstein u32 *action) 355935a605dbSEli Britstein { 3560f3b0a18bSTaehee Yoo int nest_level = attr->parse_attr->filter_dev->lower_level; 356135a605dbSEli Britstein struct flow_action_entry vlan_act = { 356235a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 356335a605dbSEli Britstein }; 356435a605dbSEli Britstein int err = 0; 356535a605dbSEli Britstein 356635a605dbSEli Britstein while (nest_level--) { 356735a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 356835a605dbSEli Britstein if (err) 356935a605dbSEli Britstein return err; 357035a605dbSEli Britstein } 357135a605dbSEli Britstein 357235a605dbSEli Britstein return err; 357335a605dbSEli Britstein } 357435a605dbSEli Britstein 3575f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3576f6dc1264SPaul Blakey struct net_device *out_dev) 3577f6dc1264SPaul Blakey { 3578f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 3579f6dc1264SPaul Blakey return true; 3580f6dc1264SPaul Blakey 3581f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 3582f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 3583f6dc1264SPaul Blakey } 3584f6dc1264SPaul Blakey 3585554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3586554fe75cSDmytro Linkin struct net_device *out_dev, 3587554fe75cSDmytro Linkin int *ifindexes, int if_count, 3588554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3589554fe75cSDmytro Linkin { 3590554fe75cSDmytro Linkin int i; 3591554fe75cSDmytro Linkin 3592554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3593554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3594554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3595554fe75cSDmytro Linkin "can't duplicate output to same device"); 3596554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3597554fe75cSDmytro Linkin out_dev->name); 3598554fe75cSDmytro Linkin return true; 3599554fe75cSDmytro Linkin } 3600554fe75cSDmytro Linkin } 3601554fe75cSDmytro Linkin 3602554fe75cSDmytro Linkin return false; 3603554fe75cSDmytro Linkin } 3604554fe75cSDmytro Linkin 36052fbbc30dSEli Cohen static int mlx5_validate_goto_chain(struct mlx5_eswitch *esw, 36062fbbc30dSEli Cohen struct mlx5e_tc_flow *flow, 36072fbbc30dSEli Cohen const struct flow_action_entry *act, 36082fbbc30dSEli Cohen u32 actions, 36092fbbc30dSEli Cohen struct netlink_ext_ack *extack) 36102fbbc30dSEli Cohen { 36112fbbc30dSEli Cohen u32 max_chain = mlx5_esw_chains_get_chain_range(esw); 36122fbbc30dSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 36132fbbc30dSEli Cohen bool ft_flow = mlx5e_is_ft_flow(flow); 36142fbbc30dSEli Cohen u32 dest_chain = act->chain_index; 36152fbbc30dSEli Cohen 36162fbbc30dSEli Cohen if (ft_flow) { 36172fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 36182fbbc30dSEli Cohen return -EOPNOTSUPP; 36192fbbc30dSEli Cohen } 36202fbbc30dSEli Cohen 36212fbbc30dSEli Cohen if (!mlx5_esw_chains_backwards_supported(esw) && 36222fbbc30dSEli Cohen dest_chain <= attr->chain) { 36232fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 36242fbbc30dSEli Cohen "Goto lower numbered chain isn't supported"); 36252fbbc30dSEli Cohen return -EOPNOTSUPP; 36262fbbc30dSEli Cohen } 36272fbbc30dSEli Cohen if (dest_chain > max_chain) { 36282fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 36292fbbc30dSEli Cohen "Requested destination chain is out of supported range"); 36302fbbc30dSEli Cohen return -EOPNOTSUPP; 36312fbbc30dSEli Cohen } 36322fbbc30dSEli Cohen 36332fbbc30dSEli Cohen if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 36342fbbc30dSEli Cohen MLX5_FLOW_CONTEXT_ACTION_DECAP) && 36352fbbc30dSEli Cohen !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat_and_fwd_to_table)) { 36362fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 36372fbbc30dSEli Cohen "Goto chain is not allowed if action has reformat or decap"); 36382fbbc30dSEli Cohen return -EOPNOTSUPP; 36392fbbc30dSEli Cohen } 36402fbbc30dSEli Cohen 36412fbbc30dSEli Cohen return 0; 36422fbbc30dSEli Cohen } 36432fbbc30dSEli Cohen 364473867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 364573867881SPablo Neira Ayuso struct flow_action *flow_action, 3646e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3647e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3648a54e20b4SHadar Hen Zion { 364973867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3650bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3651ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 36526f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 36531d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 365473867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3655554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 365684179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 365773867881SPablo Neira Ayuso const struct flow_action_entry *act; 36580a7fcb78SPaul Blakey bool encap = false, decap = false; 36590a7fcb78SPaul Blakey u32 action = attr->action; 3660554fe75cSDmytro Linkin int err, i, if_count = 0; 366103a9d11eSOr Gerlitz 366273867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 366303a9d11eSOr Gerlitz return -EINVAL; 366403a9d11eSOr Gerlitz 366548855479SJiri Pirko if (!flow_action_hw_stats_types_check(flow_action, extack, 3666a16fa289SJiri Pirko FLOW_ACTION_HW_STATS_TYPE_DELAYED_BIT)) 3667319a1d19SJiri Pirko return -EOPNOTSUPP; 3668319a1d19SJiri Pirko 366973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 367073867881SPablo Neira Ayuso switch (act->id) { 367173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 36721cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 367303a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 367473867881SPablo Neira Ayuso break; 367573867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 367673867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 367773867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3678dec481c8SEli Cohen hdrs, extack); 3679d7e75a32SOr Gerlitz if (err) 3680d7e75a32SOr Gerlitz return err; 3681d7e75a32SOr Gerlitz 36821cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3683e85e02baSEli Britstein attr->split_count = attr->out_count; 368473867881SPablo Neira Ayuso break; 368573867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 36861cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 368773867881SPablo Neira Ayuso act->csum_flags, extack)) 368873867881SPablo Neira Ayuso break; 368926c02749SOr Gerlitz 369026c02749SOr Gerlitz return -EOPNOTSUPP; 369173867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 369273867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 369303a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3694592d3651SChris Mi struct net_device *out_dev; 369503a9d11eSOr Gerlitz 369673867881SPablo Neira Ayuso out_dev = act->dev; 3697ef381359SOz Shlomo if (!out_dev) { 3698ef381359SOz Shlomo /* out_dev is NULL when filters with 3699ef381359SOz Shlomo * non-existing mirred device are replayed to 3700ef381359SOz Shlomo * the driver. 3701ef381359SOz Shlomo */ 3702ef381359SOz Shlomo return -EINVAL; 3703ef381359SOz Shlomo } 370403a9d11eSOr Gerlitz 370584179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 370684179981SPaul Blakey /* Ignore forward to self rules generated 370784179981SPaul Blakey * by adding both mlx5 devs to the flow table 370884179981SPaul Blakey * block on a normal nft offload setup. 370984179981SPaul Blakey */ 371084179981SPaul Blakey return -EOPNOTSUPP; 371184179981SPaul Blakey } 371284179981SPaul Blakey 3713592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3714e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3715e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 37164ccd83f4SRoi Dayan netdev_warn(priv->netdev, 37174ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 3718592d3651SChris Mi attr->out_count); 3719592d3651SChris Mi return -EOPNOTSUPP; 3720592d3651SChris Mi } 3721592d3651SChris Mi 3722f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3723f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3724b6a4ac24SVlad Buslov if (encap) { 3725b6a4ac24SVlad Buslov parse_attr->mirred_ifindex[attr->out_count] = 3726b6a4ac24SVlad Buslov out_dev->ifindex; 3727b6a4ac24SVlad Buslov parse_attr->tun_info[attr->out_count] = dup_tun_info(info); 3728b6a4ac24SVlad Buslov if (!parse_attr->tun_info[attr->out_count]) 3729b6a4ac24SVlad Buslov return -ENOMEM; 3730b6a4ac24SVlad Buslov encap = false; 3731b6a4ac24SVlad Buslov attr->dests[attr->out_count].flags |= 3732b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 3733b6a4ac24SVlad Buslov attr->out_count++; 3734b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 3735b6a4ac24SVlad Buslov * handle encap 3736b6a4ac24SVlad Buslov */ 3737b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 37387ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 37397ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 3740fa833bd5SVlad Buslov struct net_device *uplink_upper; 3741ffec9702STonghao Zhang struct mlx5e_rep_priv *rep_priv; 37427ba58ba7SRabie Loulou 3743554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 3744554fe75cSDmytro Linkin out_dev, 3745554fe75cSDmytro Linkin ifindexes, 3746554fe75cSDmytro Linkin if_count, 3747554fe75cSDmytro Linkin extack)) 3748554fe75cSDmytro Linkin return -EOPNOTSUPP; 3749554fe75cSDmytro Linkin 3750554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 3751554fe75cSDmytro Linkin if_count++; 3752554fe75cSDmytro Linkin 3753fa833bd5SVlad Buslov rcu_read_lock(); 3754fa833bd5SVlad Buslov uplink_upper = 3755fa833bd5SVlad Buslov netdev_master_upper_dev_get_rcu(uplink_dev); 37567ba58ba7SRabie Loulou if (uplink_upper && 37577ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 37587ba58ba7SRabie Loulou uplink_upper == out_dev) 37597ba58ba7SRabie Loulou out_dev = uplink_dev; 3760fa833bd5SVlad Buslov rcu_read_unlock(); 37617ba58ba7SRabie Loulou 3762278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3763278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3764278748a9SEli Britstein &out_dev, 3765278748a9SEli Britstein &action); 3766278748a9SEli Britstein if (err) 3767278748a9SEli Britstein return err; 3768278748a9SEli Britstein } 3769f6dc1264SPaul Blakey 377035a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 377135a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 377235a605dbSEli Britstein &action); 377335a605dbSEli Britstein if (err) 377435a605dbSEli Britstein return err; 377535a605dbSEli Britstein } 3776278748a9SEli Britstein 3777ffec9702STonghao Zhang /* Don't allow forwarding between uplink. 3778ffec9702STonghao Zhang * 3779ffec9702STonghao Zhang * Input vport was stored esw_attr->in_rep. 3780ffec9702STonghao Zhang * In LAG case, *priv* is the private data of 3781ffec9702STonghao Zhang * uplink which may be not the input vport. 3782ffec9702STonghao Zhang */ 3783ffec9702STonghao Zhang rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3784ffec9702STonghao Zhang if (mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3785ffec9702STonghao Zhang mlx5e_eswitch_uplink_rep(out_dev)) { 3786ffec9702STonghao Zhang NL_SET_ERR_MSG_MOD(extack, 3787ffec9702STonghao Zhang "devices are both uplink, can't offload forwarding"); 3788ffec9702STonghao Zhang pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3789ffec9702STonghao Zhang priv->netdev->name, out_dev->name); 3790ffec9702STonghao Zhang return -EOPNOTSUPP; 3791ffec9702STonghao Zhang } 3792ffec9702STonghao Zhang 3793f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3794f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3795f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 37964ccd83f4SRoi Dayan netdev_warn(priv->netdev, 37974ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 37984ccd83f4SRoi Dayan priv->netdev->name, 37994ccd83f4SRoi Dayan out_dev->name); 3800a0646c88SEli Britstein return -EOPNOTSUPP; 3801f6dc1264SPaul Blakey } 3802a0646c88SEli Britstein 380303a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 38041d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3805df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 3806df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 3807df65a573SEli Britstein attr->out_count++; 3808ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3809ef381359SOz Shlomo /* All mlx5 devices are called to configure 3810ef381359SOz Shlomo * high level device filters. Therefore, the 3811ef381359SOz Shlomo * *attempt* to install a filter on invalid 3812ef381359SOz Shlomo * eswitch should not trigger an explicit error 3813ef381359SOz Shlomo */ 3814ef381359SOz Shlomo return -EINVAL; 3815a54e20b4SHadar Hen Zion } else { 3816e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3817e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 38184ccd83f4SRoi Dayan netdev_warn(priv->netdev, 38194ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 38204ccd83f4SRoi Dayan priv->netdev->name, 38214ccd83f4SRoi Dayan out_dev->name); 3822a54e20b4SHadar Hen Zion return -EINVAL; 3823a54e20b4SHadar Hen Zion } 3824a54e20b4SHadar Hen Zion } 382573867881SPablo Neira Ayuso break; 382673867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 382773867881SPablo Neira Ayuso info = act->tunnel; 3828a54e20b4SHadar Hen Zion if (info) 3829a54e20b4SHadar Hen Zion encap = true; 3830a54e20b4SHadar Hen Zion else 3831a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 383203a9d11eSOr Gerlitz 383373867881SPablo Neira Ayuso break; 383473867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 383573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 383676b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 383776b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 383876b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 383976b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 384076b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 384176b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 384276b496b1SEli Britstein act, parse_attr, hdrs, 384376b496b1SEli Britstein &action, extack); 384476b496b1SEli Britstein } else { 384573867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 384676b496b1SEli Britstein } 38471482bd3dSJianbo Liu if (err) 38481482bd3dSJianbo Liu return err; 38491482bd3dSJianbo Liu 3850e85e02baSEli Britstein attr->split_count = attr->out_count; 385173867881SPablo Neira Ayuso break; 3852bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3853bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3854bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3855bdc837eeSEli Britstein act, parse_attr, hdrs, 3856bdc837eeSEli Britstein &action, extack); 3857bdc837eeSEli Britstein if (err) 3858bdc837eeSEli Britstein return err; 3859bdc837eeSEli Britstein 3860bdc837eeSEli Britstein attr->split_count = attr->out_count; 3861bdc837eeSEli Britstein break; 386273867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 38630a7fcb78SPaul Blakey decap = true; 386473867881SPablo Neira Ayuso break; 38652fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 38662fbbc30dSEli Cohen err = mlx5_validate_goto_chain(esw, flow, act, action, 38672fbbc30dSEli Cohen extack); 38682fbbc30dSEli Cohen if (err) 38692fbbc30dSEli Cohen return err; 3870bf07aa73SPaul Blakey 3871e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 38722fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 387373867881SPablo Neira Ayuso break; 38744c3844d9SPaul Blakey case FLOW_ACTION_CT: 38754c3844d9SPaul Blakey err = mlx5_tc_ct_parse_action(priv, attr, act, extack); 38764c3844d9SPaul Blakey if (err) 38774c3844d9SPaul Blakey return err; 38784c3844d9SPaul Blakey 38794c3844d9SPaul Blakey flow_flag_set(flow, CT); 38804c3844d9SPaul Blakey break; 388173867881SPablo Neira Ayuso default: 38822cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 38832cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 388403a9d11eSOr Gerlitz } 388573867881SPablo Neira Ayuso } 3886bdd66ac0SOr Gerlitz 38870bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 38880bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 38890bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 38900bac1194SEli Britstein * tag rewrite. 38910bac1194SEli Britstein */ 38920bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 38930bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 38940bac1194SEli Britstein &action, extack); 38950bac1194SEli Britstein if (err) 38960bac1194SEli Britstein return err; 38970bac1194SEli Britstein } 38980bac1194SEli Britstein 3899c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3900c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 390184be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 390227c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3903c500c86bSPablo Neira Ayuso if (err) 3904c500c86bSPablo Neira Ayuso return err; 390527c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 390627c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 390727c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 390827c11b6bSEli Britstein */ 39096ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 391027c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 39116ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 391227c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 391327c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 391427c11b6bSEli Britstein attr->split_count = 0; 391527c11b6bSEli Britstein } 3916c500c86bSPablo Neira Ayuso } 3917c500c86bSPablo Neira Ayuso 39181cab1cd7SOr Gerlitz attr->action = action; 391973867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3920bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3921bdd66ac0SOr Gerlitz 3922e88afe75SOr Gerlitz if (attr->dest_chain) { 39230a7fcb78SPaul Blakey if (decap) { 39240a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 39250a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 39260a7fcb78SPaul Blakey * this tunnel id with this decap flow. 39270a7fcb78SPaul Blakey * 39280a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 39290a7fcb78SPaul Blakey * device. 39300a7fcb78SPaul Blakey */ 39310a7fcb78SPaul Blakey 39320a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 39330a7fcb78SPaul Blakey "Decap with goto isn't supported"); 39340a7fcb78SPaul Blakey netdev_warn(priv->netdev, 39350a7fcb78SPaul Blakey "Decap with goto isn't supported"); 39360a7fcb78SPaul Blakey return -EOPNOTSUPP; 39370a7fcb78SPaul Blakey } 39380a7fcb78SPaul Blakey 3939e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 394061644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 394161644c3dSRoi Dayan "Mirroring goto chain rules isn't supported"); 3942e88afe75SOr Gerlitz return -EOPNOTSUPP; 3943e88afe75SOr Gerlitz } 3944e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3945e88afe75SOr Gerlitz } 3946e88afe75SOr Gerlitz 3947ae2741e2SVlad Buslov if (!(attr->action & 3948ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 394961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 395061644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 3951ae2741e2SVlad Buslov return -EOPNOTSUPP; 3952ae2741e2SVlad Buslov } 3953ae2741e2SVlad Buslov 3954e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3955e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3956e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3957592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3958592d3651SChris Mi return -EOPNOTSUPP; 3959592d3651SChris Mi } 3960592d3651SChris Mi 396131c8eba5SOr Gerlitz return 0; 396203a9d11eSOr Gerlitz } 396303a9d11eSOr Gerlitz 3964226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 396560bd4af8SOr Gerlitz { 3966226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 396760bd4af8SOr Gerlitz 3968226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3969226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3970226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3971226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 397260bd4af8SOr Gerlitz 3973226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3974226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3975226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3976226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 397784179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 397884179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 3979d9ee0491SOr Gerlitz 398060bd4af8SOr Gerlitz *flow_flags = __flow_flags; 398160bd4af8SOr Gerlitz } 398260bd4af8SOr Gerlitz 398305866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 398405866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 398505866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 398605866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 398705866c82SOr Gerlitz .automatic_shrinking = true, 398805866c82SOr Gerlitz }; 398905866c82SOr Gerlitz 3990226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3991226f2ca3SVlad Buslov unsigned long flags) 399205866c82SOr Gerlitz { 3993655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3994655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3995655dc3d2SOr Gerlitz 3996226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3997655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3998ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3999d9ee0491SOr Gerlitz } else /* NIC offload */ 400005866c82SOr Gerlitz return &priv->fs.tc.ht; 400105866c82SOr Gerlitz } 400205866c82SOr Gerlitz 400304de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 400404de7ddaSRoi Dayan { 40051418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 4006b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 4007226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 40081418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 40091418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 40101418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 40111418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 40121418ddd9SAviv Heller 401310fbb1cdSRoi Dayan if (!esw_paired) 401410fbb1cdSRoi Dayan return false; 401510fbb1cdSRoi Dayan 401610fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 401710fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 401810fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 401910fbb1cdSRoi Dayan return true; 402010fbb1cdSRoi Dayan 402110fbb1cdSRoi Dayan return false; 402204de7ddaSRoi Dayan } 402304de7ddaSRoi Dayan 4024a88780a9SRoi Dayan static int 4025a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4026226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4027a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4028a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4029e3a2b7edSAmir Vadai { 403017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 40313bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 40325a7e5bcbSVlad Buslov int out_index, err; 4033776b12b6SOr Gerlitz 403465ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 40351b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 403617091853SOr Gerlitz if (!parse_attr || !flow) { 4037e3a2b7edSAmir Vadai err = -ENOMEM; 4038e3a2b7edSAmir Vadai goto err_free; 4039e3a2b7edSAmir Vadai } 4040e3a2b7edSAmir Vadai 4041e3a2b7edSAmir Vadai flow->cookie = f->cookie; 404265ba8fb7SOr Gerlitz flow->flags = flow_flags; 4043655dc3d2SOr Gerlitz flow->priv = priv; 40445a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 40455a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 40465a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 40475a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 40485a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 404995435ad7SVlad Buslov init_completion(&flow->init_done); 4050e3a2b7edSAmir Vadai 4051a88780a9SRoi Dayan *__flow = flow; 4052a88780a9SRoi Dayan *__parse_attr = parse_attr; 4053a88780a9SRoi Dayan 4054a88780a9SRoi Dayan return 0; 4055a88780a9SRoi Dayan 4056a88780a9SRoi Dayan err_free: 4057a88780a9SRoi Dayan kfree(flow); 4058a88780a9SRoi Dayan kvfree(parse_attr); 4059a88780a9SRoi Dayan return err; 4060adb4c123SOr Gerlitz } 4061adb4c123SOr Gerlitz 4062988ab9c7STonghao Zhang static void 4063988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 4064988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4065988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4066f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4067988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4068988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4069988ab9c7STonghao Zhang { 4070988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4071988ab9c7STonghao Zhang 4072988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 4073988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 4074ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 4075988ab9c7STonghao Zhang 4076988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4077988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4078988ab9c7STonghao Zhang 4079988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4080988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4081988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4082988ab9c7STonghao Zhang else 4083988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4084988ab9c7STonghao Zhang } 4085988ab9c7STonghao Zhang 408671129676SJason Gunthorpe static struct mlx5e_tc_flow * 408704de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4088f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4089226f2ca3SVlad Buslov unsigned long flow_flags, 4090d11afc26SOz Shlomo struct net_device *filter_dev, 409104de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 409271129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4093a88780a9SRoi Dayan { 4094f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4095a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4096a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4097a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4098a88780a9SRoi Dayan int attr_size, err; 4099a88780a9SRoi Dayan 4100226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4101a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4102a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4103a88780a9SRoi Dayan &parse_attr, &flow); 4104a88780a9SRoi Dayan if (err) 4105a88780a9SRoi Dayan goto out; 4106988ab9c7STonghao Zhang 4107d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4108988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 4109988ab9c7STonghao Zhang priv, parse_attr, 4110988ab9c7STonghao Zhang f, in_rep, in_mdev); 4111988ab9c7STonghao Zhang 411254c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 411354c177caSOz Shlomo f, filter_dev); 4114d11afc26SOz Shlomo if (err) 4115d11afc26SOz Shlomo goto err_free; 4116a88780a9SRoi Dayan 41176f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 4118a88780a9SRoi Dayan if (err) 4119a88780a9SRoi Dayan goto err_free; 4120a88780a9SRoi Dayan 41214c3844d9SPaul Blakey err = mlx5_tc_ct_parse_match(priv, &parse_attr->spec, f, extack); 41224c3844d9SPaul Blakey if (err) 41234c3844d9SPaul Blakey goto err_free; 41244c3844d9SPaul Blakey 41257040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 412695435ad7SVlad Buslov complete_all(&flow->init_done); 4127ef06c9eeSRoi Dayan if (err) { 4128ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4129aa0cbbaeSOr Gerlitz goto err_free; 41305c40348cSOr Gerlitz 4131b4a23329SRoi Dayan add_unready_flow(flow); 4132ef06c9eeSRoi Dayan } 4133ef06c9eeSRoi Dayan 413471129676SJason Gunthorpe return flow; 4135e3a2b7edSAmir Vadai 4136e3a2b7edSAmir Vadai err_free: 41375a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4138a88780a9SRoi Dayan out: 413971129676SJason Gunthorpe return ERR_PTR(err); 4140a88780a9SRoi Dayan } 4141a88780a9SRoi Dayan 4142f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 414395dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4144226f2ca3SVlad Buslov unsigned long flow_flags) 414504de7ddaSRoi Dayan { 414604de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 414704de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 414804de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 414904de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 415004de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 415104de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 415204de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 415304de7ddaSRoi Dayan int err = 0; 415404de7ddaSRoi Dayan 415504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 415604de7ddaSRoi Dayan if (!peer_esw) 415704de7ddaSRoi Dayan return -ENODEV; 415804de7ddaSRoi Dayan 415904de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 416004de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 416104de7ddaSRoi Dayan 416204de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 416304de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 416404de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 416504de7ddaSRoi Dayan * peer mdev. 416604de7ddaSRoi Dayan */ 4167b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 416804de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 416904de7ddaSRoi Dayan else 417004de7ddaSRoi Dayan in_mdev = priv->mdev; 417104de7ddaSRoi Dayan 417204de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 417395dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 417404de7ddaSRoi Dayan parse_attr->filter_dev, 417571129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 417671129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 417771129676SJason Gunthorpe err = PTR_ERR(peer_flow); 417804de7ddaSRoi Dayan goto out; 417971129676SJason Gunthorpe } 418004de7ddaSRoi Dayan 418104de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4182226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 418304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 418404de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 418504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 418604de7ddaSRoi Dayan 418704de7ddaSRoi Dayan out: 418804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 418904de7ddaSRoi Dayan return err; 419004de7ddaSRoi Dayan } 419104de7ddaSRoi Dayan 419204de7ddaSRoi Dayan static int 419304de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4194f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4195226f2ca3SVlad Buslov unsigned long flow_flags, 419604de7ddaSRoi Dayan struct net_device *filter_dev, 419704de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 419804de7ddaSRoi Dayan { 419904de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 420004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 420104de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 420204de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 420304de7ddaSRoi Dayan int err; 420404de7ddaSRoi Dayan 420571129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 420671129676SJason Gunthorpe in_mdev); 420771129676SJason Gunthorpe if (IS_ERR(flow)) 420871129676SJason Gunthorpe return PTR_ERR(flow); 420904de7ddaSRoi Dayan 421004de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 421195dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 421204de7ddaSRoi Dayan if (err) { 421304de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 421404de7ddaSRoi Dayan goto out; 421504de7ddaSRoi Dayan } 421604de7ddaSRoi Dayan } 421704de7ddaSRoi Dayan 421804de7ddaSRoi Dayan *__flow = flow; 421904de7ddaSRoi Dayan 422004de7ddaSRoi Dayan return 0; 422104de7ddaSRoi Dayan 422204de7ddaSRoi Dayan out: 422304de7ddaSRoi Dayan return err; 422404de7ddaSRoi Dayan } 422504de7ddaSRoi Dayan 4226a88780a9SRoi Dayan static int 4227a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4228f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4229226f2ca3SVlad Buslov unsigned long flow_flags, 4230d11afc26SOz Shlomo struct net_device *filter_dev, 4231a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4232a88780a9SRoi Dayan { 4233f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4234a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4235a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4236a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4237a88780a9SRoi Dayan int attr_size, err; 4238a88780a9SRoi Dayan 4239bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 4240bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4241bf07aa73SPaul Blakey return -EOPNOTSUPP; 4242bf07aa73SPaul Blakey 4243226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4244a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4245a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4246a88780a9SRoi Dayan &parse_attr, &flow); 4247a88780a9SRoi Dayan if (err) 4248a88780a9SRoi Dayan goto out; 4249a88780a9SRoi Dayan 4250d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 425154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 425254c177caSOz Shlomo f, filter_dev); 4253d11afc26SOz Shlomo if (err) 4254d11afc26SOz Shlomo goto err_free; 4255d11afc26SOz Shlomo 425673867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4257a88780a9SRoi Dayan if (err) 4258a88780a9SRoi Dayan goto err_free; 4259a88780a9SRoi Dayan 4260a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4261a88780a9SRoi Dayan if (err) 4262a88780a9SRoi Dayan goto err_free; 4263a88780a9SRoi Dayan 4264226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4265a88780a9SRoi Dayan kvfree(parse_attr); 4266a88780a9SRoi Dayan *__flow = flow; 4267a88780a9SRoi Dayan 4268a88780a9SRoi Dayan return 0; 4269a88780a9SRoi Dayan 4270a88780a9SRoi Dayan err_free: 42715a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4272a88780a9SRoi Dayan kvfree(parse_attr); 4273a88780a9SRoi Dayan out: 4274a88780a9SRoi Dayan return err; 4275a88780a9SRoi Dayan } 4276a88780a9SRoi Dayan 4277a88780a9SRoi Dayan static int 4278a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4279f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4280226f2ca3SVlad Buslov unsigned long flags, 4281d11afc26SOz Shlomo struct net_device *filter_dev, 4282a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4283a88780a9SRoi Dayan { 4284a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4285226f2ca3SVlad Buslov unsigned long flow_flags; 4286a88780a9SRoi Dayan int err; 4287a88780a9SRoi Dayan 4288a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4289a88780a9SRoi Dayan 4290bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4291bf07aa73SPaul Blakey return -EOPNOTSUPP; 4292bf07aa73SPaul Blakey 4293f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4294d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4295d11afc26SOz Shlomo filter_dev, flow); 4296a88780a9SRoi Dayan else 4297d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4298d11afc26SOz Shlomo filter_dev, flow); 4299a88780a9SRoi Dayan 4300a88780a9SRoi Dayan return err; 4301a88780a9SRoi Dayan } 4302a88780a9SRoi Dayan 430371d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4304226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4305a88780a9SRoi Dayan { 4306a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4307d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4308a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4309a88780a9SRoi Dayan int err = 0; 4310a88780a9SRoi Dayan 4311c5d326b2SVlad Buslov rcu_read_lock(); 4312c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4313c5d326b2SVlad Buslov rcu_read_unlock(); 4314a88780a9SRoi Dayan if (flow) { 4315a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4316a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4317a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4318a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4319a88780a9SRoi Dayan f->cookie); 43200e1c1a2fSVlad Buslov err = -EEXIST; 4321a88780a9SRoi Dayan goto out; 4322a88780a9SRoi Dayan } 4323a88780a9SRoi Dayan 43247a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4325d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4326a88780a9SRoi Dayan if (err) 4327a88780a9SRoi Dayan goto out; 4328a88780a9SRoi Dayan 4329c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4330a88780a9SRoi Dayan if (err) 4331a88780a9SRoi Dayan goto err_free; 4332a88780a9SRoi Dayan 4333a88780a9SRoi Dayan return 0; 4334a88780a9SRoi Dayan 4335a88780a9SRoi Dayan err_free: 43365a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4337a88780a9SRoi Dayan out: 4338e3a2b7edSAmir Vadai return err; 4339e3a2b7edSAmir Vadai } 4340e3a2b7edSAmir Vadai 43418f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 43428f8ae895SOr Gerlitz { 4343226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4344226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 43458f8ae895SOr Gerlitz 4346226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4347226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 43488f8ae895SOr Gerlitz } 43498f8ae895SOr Gerlitz 435071d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4351226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4352e3a2b7edSAmir Vadai { 4353d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4354e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4355c5d326b2SVlad Buslov int err; 4356e3a2b7edSAmir Vadai 4357c5d326b2SVlad Buslov rcu_read_lock(); 4358ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4359c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4360c5d326b2SVlad Buslov err = -EINVAL; 4361c5d326b2SVlad Buslov goto errout; 4362c5d326b2SVlad Buslov } 4363e3a2b7edSAmir Vadai 4364c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4365c5d326b2SVlad Buslov * set. 4366c5d326b2SVlad Buslov */ 4367c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4368c5d326b2SVlad Buslov err = -EINVAL; 4369c5d326b2SVlad Buslov goto errout; 4370c5d326b2SVlad Buslov } 437105866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4372c5d326b2SVlad Buslov rcu_read_unlock(); 4373e3a2b7edSAmir Vadai 43747a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 43755a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4376e3a2b7edSAmir Vadai 4377e3a2b7edSAmir Vadai return 0; 4378c5d326b2SVlad Buslov 4379c5d326b2SVlad Buslov errout: 4380c5d326b2SVlad Buslov rcu_read_unlock(); 4381c5d326b2SVlad Buslov return err; 4382e3a2b7edSAmir Vadai } 4383e3a2b7edSAmir Vadai 438471d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4385226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4386aad7e08dSAmir Vadai { 438704de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4388d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 438904de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4390aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4391aad7e08dSAmir Vadai struct mlx5_fc *counter; 4392316d5f72SRoi Dayan u64 lastuse = 0; 4393316d5f72SRoi Dayan u64 packets = 0; 4394316d5f72SRoi Dayan u64 bytes = 0; 43955a7e5bcbSVlad Buslov int err = 0; 4396aad7e08dSAmir Vadai 4397c5d326b2SVlad Buslov rcu_read_lock(); 4398c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 43995a7e5bcbSVlad Buslov tc_ht_params)); 4400c5d326b2SVlad Buslov rcu_read_unlock(); 44015a7e5bcbSVlad Buslov if (IS_ERR(flow)) 44025a7e5bcbSVlad Buslov return PTR_ERR(flow); 44035a7e5bcbSVlad Buslov 44045a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 44055a7e5bcbSVlad Buslov err = -EINVAL; 44065a7e5bcbSVlad Buslov goto errout; 44075a7e5bcbSVlad Buslov } 4408aad7e08dSAmir Vadai 44094c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4410b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4411aad7e08dSAmir Vadai if (!counter) 44125a7e5bcbSVlad Buslov goto errout; 4413aad7e08dSAmir Vadai 4414aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4415316d5f72SRoi Dayan } 4416aad7e08dSAmir Vadai 4417316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4418316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4419316d5f72SRoi Dayan */ 442004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 442104de7ddaSRoi Dayan if (!peer_esw) 442204de7ddaSRoi Dayan goto out; 442304de7ddaSRoi Dayan 4424226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4425226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 442604de7ddaSRoi Dayan u64 bytes2; 442704de7ddaSRoi Dayan u64 packets2; 442804de7ddaSRoi Dayan u64 lastuse2; 442904de7ddaSRoi Dayan 443004de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4431316d5f72SRoi Dayan if (!counter) 4432316d5f72SRoi Dayan goto no_peer_counter; 443304de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 443404de7ddaSRoi Dayan 443504de7ddaSRoi Dayan bytes += bytes2; 443604de7ddaSRoi Dayan packets += packets2; 443704de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 443804de7ddaSRoi Dayan } 443904de7ddaSRoi Dayan 4440316d5f72SRoi Dayan no_peer_counter: 444104de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 444204de7ddaSRoi Dayan out: 44433b1903efSPablo Neira Ayuso flow_stats_update(&f->stats, bytes, packets, lastuse); 44447a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 44455a7e5bcbSVlad Buslov errout: 44465a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 44475a7e5bcbSVlad Buslov return err; 4448aad7e08dSAmir Vadai } 4449aad7e08dSAmir Vadai 4450fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 4451fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4452fcb64c0fSEli Cohen { 4453fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4454fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 4455fcb64c0fSEli Cohen u16 vport_num; 4456fcb64c0fSEli Cohen u32 rate_mbps; 4457fcb64c0fSEli Cohen int err; 4458fcb64c0fSEli Cohen 4459e401a184SEli Cohen vport_num = rpriv->rep->vport; 4460e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4461e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4462e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4463e401a184SEli Cohen return -EOPNOTSUPP; 4464e401a184SEli Cohen } 4465e401a184SEli Cohen 4466fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4467fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4468fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4469fcb64c0fSEli Cohen * mbit means million bits. 4470fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4471fcb64c0fSEli Cohen * 1 mbit/sec. 4472fcb64c0fSEli Cohen */ 4473fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 4474fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4475fcb64c0fSEli Cohen if (err) 4476fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4477fcb64c0fSEli Cohen 4478fcb64c0fSEli Cohen return err; 4479fcb64c0fSEli Cohen } 4480fcb64c0fSEli Cohen 4481fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4482fcb64c0fSEli Cohen struct flow_action *flow_action, 4483fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4484fcb64c0fSEli Cohen { 4485fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4486fcb64c0fSEli Cohen const struct flow_action_entry *act; 4487fcb64c0fSEli Cohen int err; 4488fcb64c0fSEli Cohen int i; 4489fcb64c0fSEli Cohen 4490fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4491fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4492fcb64c0fSEli Cohen return -EINVAL; 4493fcb64c0fSEli Cohen } 4494fcb64c0fSEli Cohen 4495fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4496fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4497fcb64c0fSEli Cohen return -EOPNOTSUPP; 4498fcb64c0fSEli Cohen } 4499fcb64c0fSEli Cohen 4500319a1d19SJiri Pirko if (!flow_action_basic_hw_stats_types_check(flow_action, extack)) 4501319a1d19SJiri Pirko return -EOPNOTSUPP; 4502319a1d19SJiri Pirko 4503fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4504fcb64c0fSEli Cohen switch (act->id) { 4505fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 4506fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4507fcb64c0fSEli Cohen if (err) 4508fcb64c0fSEli Cohen return err; 4509fcb64c0fSEli Cohen 4510fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4511fcb64c0fSEli Cohen break; 4512fcb64c0fSEli Cohen default: 4513fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4514fcb64c0fSEli Cohen return -EOPNOTSUPP; 4515fcb64c0fSEli Cohen } 4516fcb64c0fSEli Cohen } 4517fcb64c0fSEli Cohen 4518fcb64c0fSEli Cohen return 0; 4519fcb64c0fSEli Cohen } 4520fcb64c0fSEli Cohen 4521fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4522fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4523fcb64c0fSEli Cohen { 4524fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4525fcb64c0fSEli Cohen 45267b83355fSEli Cohen if (ma->common.prio != 1) { 4527fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4528fcb64c0fSEli Cohen return -EINVAL; 4529fcb64c0fSEli Cohen } 4530fcb64c0fSEli Cohen 4531fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4532fcb64c0fSEli Cohen } 4533fcb64c0fSEli Cohen 4534fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4535fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4536fcb64c0fSEli Cohen { 4537fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4538fcb64c0fSEli Cohen 4539fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4540fcb64c0fSEli Cohen } 4541fcb64c0fSEli Cohen 4542fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4543fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4544fcb64c0fSEli Cohen { 4545fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4546fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4547fcb64c0fSEli Cohen u64 dbytes; 4548fcb64c0fSEli Cohen u64 dpkts; 4549fcb64c0fSEli Cohen 4550fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4551fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4552fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4553fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 4554fcb64c0fSEli Cohen flow_stats_update(&ma->stats, dpkts, dbytes, jiffies); 4555fcb64c0fSEli Cohen } 4556fcb64c0fSEli Cohen 45574d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 45584d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 45594d8fcf21SAlaa Hleihel { 45604d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4561db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4562db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 45634d8fcf21SAlaa Hleihel u16 peer_vhca_id; 45644d8fcf21SAlaa Hleihel int bkt; 45654d8fcf21SAlaa Hleihel 45664d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 45674d8fcf21SAlaa Hleihel return; 45684d8fcf21SAlaa Hleihel 45694d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 45704d8fcf21SAlaa Hleihel 4571b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4572db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4573db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4574db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4575b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4576db76ca24SVlad Buslov 4577db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4578db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4579db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4580db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4581db76ca24SVlad Buslov 4582db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4583db76ca24SVlad Buslov } 45844d8fcf21SAlaa Hleihel } 45854d8fcf21SAlaa Hleihel 45864d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 45874d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 45884d8fcf21SAlaa Hleihel { 45894d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 45904d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 45914d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 45924d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 45934d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 45944d8fcf21SAlaa Hleihel 45954d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 45964d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 45974d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 45984d8fcf21SAlaa Hleihel return NOTIFY_DONE; 45994d8fcf21SAlaa Hleihel 46004d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 46014d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 46024d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 46034d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 46044d8fcf21SAlaa Hleihel if (priv == peer_priv || 46054d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 46064d8fcf21SAlaa Hleihel return NOTIFY_DONE; 46074d8fcf21SAlaa Hleihel 46084d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 46094d8fcf21SAlaa Hleihel 46104d8fcf21SAlaa Hleihel return NOTIFY_DONE; 46114d8fcf21SAlaa Hleihel } 46124d8fcf21SAlaa Hleihel 4613655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4614e8f887acSAmir Vadai { 4615acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 46164d8fcf21SAlaa Hleihel int err; 4617e8f887acSAmir Vadai 4618b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4619d2faae25SVlad Buslov mutex_init(&tc->mod_hdr.lock); 4620dd58edc3SVlad Buslov hash_init(tc->mod_hdr.hlist); 4621b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 46225c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 462311c9c548SOr Gerlitz 46244d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 46254d8fcf21SAlaa Hleihel if (err) 46264d8fcf21SAlaa Hleihel return err; 46274d8fcf21SAlaa Hleihel 46284d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4629d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4630d48834f9SJiri Pirko &tc->netdevice_nb, 4631d48834f9SJiri Pirko &tc->netdevice_nn); 4632d48834f9SJiri Pirko if (err) { 46334d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 46344d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 46354d8fcf21SAlaa Hleihel } 46364d8fcf21SAlaa Hleihel 46374d8fcf21SAlaa Hleihel return err; 4638e8f887acSAmir Vadai } 4639e8f887acSAmir Vadai 4640e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4641e8f887acSAmir Vadai { 4642e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4643655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4644e8f887acSAmir Vadai 4645961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4646e8f887acSAmir Vadai kfree(flow); 4647e8f887acSAmir Vadai } 4648e8f887acSAmir Vadai 4649655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4650e8f887acSAmir Vadai { 4651acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4652e8f887acSAmir Vadai 46534d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4654d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4655d48834f9SJiri Pirko &tc->netdevice_nb, 4656d48834f9SJiri Pirko &tc->netdevice_nn); 46574d8fcf21SAlaa Hleihel 4658d2faae25SVlad Buslov mutex_destroy(&tc->mod_hdr.lock); 4659b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4660b32accdaSVlad Buslov 4661d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4662e8f887acSAmir Vadai 4663acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4664acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4665acff797cSMaor Gottlieb tc->t = NULL; 4666e8f887acSAmir Vadai } 4667b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4668e8f887acSAmir Vadai } 4669655dc3d2SOr Gerlitz 4670655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4671655dc3d2SOr Gerlitz { 46720a7fcb78SPaul Blakey const size_t sz_enc_opts = sizeof(struct flow_dissector_key_enc_opts); 46730a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 46740a7fcb78SPaul Blakey struct mlx5e_rep_priv *priv; 46750a7fcb78SPaul Blakey struct mapping_ctx *mapping; 46760a7fcb78SPaul Blakey int err; 46770a7fcb78SPaul Blakey 46780a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 46790a7fcb78SPaul Blakey priv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 46800a7fcb78SPaul Blakey 46814c3844d9SPaul Blakey err = mlx5_tc_ct_init(uplink_priv); 46824c3844d9SPaul Blakey if (err) 46834c3844d9SPaul Blakey goto err_ct; 46844c3844d9SPaul Blakey 46850a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 46860a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 46870a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 46880a7fcb78SPaul Blakey err = PTR_ERR(mapping); 46890a7fcb78SPaul Blakey goto err_tun_mapping; 46900a7fcb78SPaul Blakey } 46910a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 46920a7fcb78SPaul Blakey 46930a7fcb78SPaul Blakey mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK, true); 46940a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 46950a7fcb78SPaul Blakey err = PTR_ERR(mapping); 46960a7fcb78SPaul Blakey goto err_enc_opts_mapping; 46970a7fcb78SPaul Blakey } 46980a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 46990a7fcb78SPaul Blakey 47000a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 47010a7fcb78SPaul Blakey if (err) 47020a7fcb78SPaul Blakey goto err_ht_init; 47030a7fcb78SPaul Blakey 47040a7fcb78SPaul Blakey return err; 47050a7fcb78SPaul Blakey 47060a7fcb78SPaul Blakey err_ht_init: 47070a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 47080a7fcb78SPaul Blakey err_enc_opts_mapping: 47090a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 47100a7fcb78SPaul Blakey err_tun_mapping: 47114c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 47124c3844d9SPaul Blakey err_ct: 47130a7fcb78SPaul Blakey netdev_warn(priv->netdev, 47140a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 47150a7fcb78SPaul Blakey return err; 4716655dc3d2SOr Gerlitz } 4717655dc3d2SOr Gerlitz 4718655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4719655dc3d2SOr Gerlitz { 47200a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 47210a7fcb78SPaul Blakey 4722655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 47230a7fcb78SPaul Blakey 47240a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 47250a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 47260a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 47274c3844d9SPaul Blakey 47284c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 4729655dc3d2SOr Gerlitz } 473001252a27SOr Gerlitz 4731226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 473201252a27SOr Gerlitz { 4733d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 473401252a27SOr Gerlitz 473501252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 473601252a27SOr Gerlitz } 473704de7ddaSRoi Dayan 473804de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 473904de7ddaSRoi Dayan { 474004de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 474104de7ddaSRoi Dayan 474204de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 474304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 474404de7ddaSRoi Dayan } 4745b4a23329SRoi Dayan 4746b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4747b4a23329SRoi Dayan { 4748b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4749b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4750b4a23329SRoi Dayan reoffload_flows_work); 4751b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4752b4a23329SRoi Dayan 4753ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4754b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4755b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4756ad86755bSVlad Buslov unready_flow_del(flow); 4757b4a23329SRoi Dayan } 4758ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4759b4a23329SRoi Dayan } 4760d6d27782SPaul Blakey 4761b8ce9037SPaul Blakey #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 4762b8ce9037SPaul Blakey static bool mlx5e_restore_tunnel(struct mlx5e_priv *priv, struct sk_buff *skb, 4763b8ce9037SPaul Blakey struct mlx5e_tc_update_priv *tc_priv, 4764b8ce9037SPaul Blakey u32 tunnel_id) 4765b8ce9037SPaul Blakey { 4766b8ce9037SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4767b8ce9037SPaul Blakey struct flow_dissector_key_enc_opts enc_opts = {}; 4768b8ce9037SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 4769b8ce9037SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 4770b8ce9037SPaul Blakey struct metadata_dst *tun_dst; 4771b8ce9037SPaul Blakey struct tunnel_match_key key; 4772b8ce9037SPaul Blakey u32 tun_id, enc_opts_id; 4773b8ce9037SPaul Blakey struct net_device *dev; 4774b8ce9037SPaul Blakey int err; 4775b8ce9037SPaul Blakey 4776b8ce9037SPaul Blakey enc_opts_id = tunnel_id & ENC_OPTS_BITS_MASK; 4777b8ce9037SPaul Blakey tun_id = tunnel_id >> ENC_OPTS_BITS; 4778b8ce9037SPaul Blakey 4779b8ce9037SPaul Blakey if (!tun_id) 4780b8ce9037SPaul Blakey return true; 4781b8ce9037SPaul Blakey 4782b8ce9037SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4783b8ce9037SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 4784b8ce9037SPaul Blakey 4785b8ce9037SPaul Blakey err = mapping_find(uplink_priv->tunnel_mapping, tun_id, &key); 4786b8ce9037SPaul Blakey if (err) { 4787b8ce9037SPaul Blakey WARN_ON_ONCE(true); 4788b8ce9037SPaul Blakey netdev_dbg(priv->netdev, 4789b8ce9037SPaul Blakey "Couldn't find tunnel for tun_id: %d, err: %d\n", 4790b8ce9037SPaul Blakey tun_id, err); 4791b8ce9037SPaul Blakey return false; 4792b8ce9037SPaul Blakey } 4793b8ce9037SPaul Blakey 4794b8ce9037SPaul Blakey if (enc_opts_id) { 4795b8ce9037SPaul Blakey err = mapping_find(uplink_priv->tunnel_enc_opts_mapping, 4796b8ce9037SPaul Blakey enc_opts_id, &enc_opts); 4797b8ce9037SPaul Blakey if (err) { 4798b8ce9037SPaul Blakey netdev_dbg(priv->netdev, 4799b8ce9037SPaul Blakey "Couldn't find tunnel (opts) for tun_id: %d, err: %d\n", 4800b8ce9037SPaul Blakey enc_opts_id, err); 4801b8ce9037SPaul Blakey return false; 4802b8ce9037SPaul Blakey } 4803b8ce9037SPaul Blakey } 4804b8ce9037SPaul Blakey 4805b8ce9037SPaul Blakey tun_dst = tun_rx_dst(enc_opts.len); 4806b8ce9037SPaul Blakey if (!tun_dst) { 4807b8ce9037SPaul Blakey WARN_ON_ONCE(true); 4808b8ce9037SPaul Blakey return false; 4809b8ce9037SPaul Blakey } 4810b8ce9037SPaul Blakey 4811b8ce9037SPaul Blakey ip_tunnel_key_init(&tun_dst->u.tun_info.key, 4812b8ce9037SPaul Blakey key.enc_ipv4.src, key.enc_ipv4.dst, 4813b8ce9037SPaul Blakey key.enc_ip.tos, key.enc_ip.ttl, 4814b8ce9037SPaul Blakey 0, /* label */ 4815b8ce9037SPaul Blakey key.enc_tp.src, key.enc_tp.dst, 4816b8ce9037SPaul Blakey key32_to_tunnel_id(key.enc_key_id.keyid), 4817b8ce9037SPaul Blakey TUNNEL_KEY); 4818b8ce9037SPaul Blakey 4819b8ce9037SPaul Blakey if (enc_opts.len) 4820b8ce9037SPaul Blakey ip_tunnel_info_opts_set(&tun_dst->u.tun_info, enc_opts.data, 4821b8ce9037SPaul Blakey enc_opts.len, enc_opts.dst_opt_type); 4822b8ce9037SPaul Blakey 4823b8ce9037SPaul Blakey skb_dst_set(skb, (struct dst_entry *)tun_dst); 4824b8ce9037SPaul Blakey dev = dev_get_by_index(&init_net, key.filter_ifindex); 4825b8ce9037SPaul Blakey if (!dev) { 4826b8ce9037SPaul Blakey netdev_dbg(priv->netdev, 4827b8ce9037SPaul Blakey "Couldn't find tunnel device with ifindex: %d\n", 4828b8ce9037SPaul Blakey key.filter_ifindex); 4829b8ce9037SPaul Blakey return false; 4830b8ce9037SPaul Blakey } 4831b8ce9037SPaul Blakey 4832b8ce9037SPaul Blakey /* Set tun_dev so we do dev_put() after datapath */ 4833b8ce9037SPaul Blakey tc_priv->tun_dev = dev; 4834b8ce9037SPaul Blakey 4835b8ce9037SPaul Blakey skb->dev = dev; 4836b8ce9037SPaul Blakey 4837b8ce9037SPaul Blakey return true; 4838b8ce9037SPaul Blakey } 4839b8ce9037SPaul Blakey #endif /* CONFIG_NET_TC_SKB_EXT */ 4840b8ce9037SPaul Blakey 4841d6d27782SPaul Blakey bool mlx5e_tc_rep_update_skb(struct mlx5_cqe64 *cqe, 4842b8ce9037SPaul Blakey struct sk_buff *skb, 4843b8ce9037SPaul Blakey struct mlx5e_tc_update_priv *tc_priv) 4844d6d27782SPaul Blakey { 4845d6d27782SPaul Blakey #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 48465c6b9460SPaul Blakey u32 chain = 0, reg_c0, reg_c1, tunnel_id, tuple_id; 48475c6b9460SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 48485c6b9460SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 4849d6d27782SPaul Blakey struct tc_skb_ext *tc_skb_ext; 4850d6d27782SPaul Blakey struct mlx5_eswitch *esw; 4851d6d27782SPaul Blakey struct mlx5e_priv *priv; 4852b8ce9037SPaul Blakey int tunnel_moffset; 4853d6d27782SPaul Blakey int err; 4854d6d27782SPaul Blakey 4855d6d27782SPaul Blakey reg_c0 = (be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK); 4856d6d27782SPaul Blakey if (reg_c0 == MLX5_FS_DEFAULT_FLOW_TAG) 4857d6d27782SPaul Blakey reg_c0 = 0; 4858b8ce9037SPaul Blakey reg_c1 = be32_to_cpu(cqe->imm_inval_pkey); 4859d6d27782SPaul Blakey 4860d6d27782SPaul Blakey if (!reg_c0) 4861d6d27782SPaul Blakey return true; 4862d6d27782SPaul Blakey 4863d6d27782SPaul Blakey priv = netdev_priv(skb->dev); 4864d6d27782SPaul Blakey esw = priv->mdev->priv.eswitch; 4865d6d27782SPaul Blakey 4866d6d27782SPaul Blakey err = mlx5_eswitch_get_chain_for_tag(esw, reg_c0, &chain); 4867d6d27782SPaul Blakey if (err) { 4868d6d27782SPaul Blakey netdev_dbg(priv->netdev, 4869d6d27782SPaul Blakey "Couldn't find chain for chain tag: %d, err: %d\n", 4870d6d27782SPaul Blakey reg_c0, err); 4871d6d27782SPaul Blakey return false; 4872d6d27782SPaul Blakey } 4873d6d27782SPaul Blakey 4874b8ce9037SPaul Blakey if (chain) { 4875d6d27782SPaul Blakey tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT); 4876d6d27782SPaul Blakey if (!tc_skb_ext) { 4877b8ce9037SPaul Blakey WARN_ON(1); 4878d6d27782SPaul Blakey return false; 4879d6d27782SPaul Blakey } 4880d6d27782SPaul Blakey 4881d6d27782SPaul Blakey tc_skb_ext->chain = chain; 48825c6b9460SPaul Blakey 48835c6b9460SPaul Blakey tuple_id = reg_c1 & TUPLE_ID_MAX; 48845c6b9460SPaul Blakey 48855c6b9460SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 48865c6b9460SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 48875c6b9460SPaul Blakey if (!mlx5e_tc_ct_restore_flow(uplink_priv, skb, tuple_id)) 48885c6b9460SPaul Blakey return false; 4889b8ce9037SPaul Blakey } 4890b8ce9037SPaul Blakey 4891b8ce9037SPaul Blakey tunnel_moffset = mlx5e_tc_attr_to_reg_mappings[TUNNEL_TO_REG].moffset; 4892b8ce9037SPaul Blakey tunnel_id = reg_c1 >> (8 * tunnel_moffset); 4893b8ce9037SPaul Blakey return mlx5e_restore_tunnel(priv, skb, tc_priv, tunnel_id); 4894d6d27782SPaul Blakey #endif /* CONFIG_NET_TC_SKB_EXT */ 4895d6d27782SPaul Blakey 4896d6d27782SPaul Blakey return true; 4897d6d27782SPaul Blakey } 4898b8ce9037SPaul Blakey 4899b8ce9037SPaul Blakey void mlx5_tc_rep_post_napi_receive(struct mlx5e_tc_update_priv *tc_priv) 4900b8ce9037SPaul Blakey { 4901b8ce9037SPaul Blakey if (tc_priv->tun_dev) 4902b8ce9037SPaul Blakey dev_put(tc_priv->tun_dev); 4903b8ce9037SPaul Blakey } 4904