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> 34e2394a61SVlad Buslov #include <net/flow_offload.h> 353f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 36e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 37e3a2b7edSAmir Vadai #include <net/tc_act/tc_gact.h> 3812185a9fSAmir Vadai #include <net/tc_act/tc_skbedit.h> 39e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 40e8f887acSAmir Vadai #include <linux/mlx5/device.h> 41e8f887acSAmir Vadai #include <linux/rhashtable.h> 425a7e5bcbSVlad Buslov #include <linux/refcount.h> 43db76ca24SVlad Buslov #include <linux/completion.h> 4403a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 45776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 46bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 47d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4826c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 4914e6b038SEli Cohen #include <net/tc_act/tc_mpls.h> 50f6dfb4c3SHadar Hen Zion #include <net/arp.h> 513616d08bSDavid Ahern #include <net/ipv6_stubs.h> 52f828ca6aSEli Cohen #include <net/bareudp.h> 53d34eb2fcSOr Gerlitz #include <net/bonding.h> 54e8f887acSAmir Vadai #include "en.h" 551d447a39SSaeed Mahameed #include "en_rep.h" 56768c3667SVlad Buslov #include "en/rep/tc.h" 57e2394a61SVlad Buslov #include "en/rep/neigh.h" 58232c0013SHadar Hen Zion #include "en_tc.h" 5903a9d11eSOr Gerlitz #include "eswitch.h" 6049964352SSaeed Mahameed #include "esw/chains.h" 613f6d08d1SOr Gerlitz #include "fs_core.h" 622c81bfd5SHuy Nguyen #include "en/port.h" 63101f4de9SOz Shlomo #include "en/tc_tun.h" 640a7fcb78SPaul Blakey #include "en/mapping.h" 654c3844d9SPaul Blakey #include "en/tc_ct.h" 66b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 6704de7ddaSRoi Dayan #include "lib/devcom.h" 689272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 697a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 70e8f887acSAmir Vadai 71d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 720a7fcb78SPaul Blakey 733bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 743bc4b7bfSOr Gerlitz u32 action; 753bc4b7bfSOr Gerlitz u32 flow_tag; 762b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 775c65c564SOr Gerlitz u32 hairpin_tirn; 7838aa51c1SOr Gerlitz u8 match_level; 793f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 80b8aee822SMark Bloch struct mlx5_fc *counter; 813bc4b7bfSOr Gerlitz }; 823bc4b7bfSOr Gerlitz 83226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 8460bd4af8SOr Gerlitz 8565ba8fb7SOr Gerlitz enum { 86226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 87226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 88226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 8984179981SPaul Blakey MLX5E_TC_FLOW_FLAG_FT = MLX5E_TC_FLAG_FT_OFFLOAD_BIT, 90226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 91226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 92226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 93226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 94226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 95226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 96226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 97c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 984c3844d9SPaul Blakey MLX5E_TC_FLOW_FLAG_CT = MLX5E_TC_FLOW_BASE + 7, 9914e6b038SEli Cohen MLX5E_TC_FLOW_FLAG_L3_TO_L2_DECAP = MLX5E_TC_FLOW_BASE + 8, 10065ba8fb7SOr Gerlitz }; 10165ba8fb7SOr Gerlitz 102e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 103e4ad91f2SChris Mi 10479baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 10579baaec7SEli Britstein * Containing struct 10679baaec7SEli Britstein * |- Helper array 10779baaec7SEli Britstein * [0] Helper item 0 10879baaec7SEli Britstein * |- list_head item 0 10979baaec7SEli Britstein * |- index (0) 11079baaec7SEli Britstein * [1] Helper item 1 11179baaec7SEli Britstein * |- list_head item 1 11279baaec7SEli Britstein * |- index (1) 11379baaec7SEli Britstein * To access the containing struct from one of the list_head items: 11479baaec7SEli Britstein * 1. Get the helper item from the list_head item using 11579baaec7SEli Britstein * helper item = 11679baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 11779baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 11879baaec7SEli Britstein * containing struct = 11979baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 12079baaec7SEli Britstein */ 12179baaec7SEli Britstein struct encap_flow_item { 122948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 12379baaec7SEli Britstein struct list_head list; 12479baaec7SEli Britstein int index; 12579baaec7SEli Britstein }; 12679baaec7SEli Britstein 127e8f887acSAmir Vadai struct mlx5e_tc_flow { 128e8f887acSAmir Vadai struct rhash_head node; 129655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 130e8f887acSAmir Vadai u64 cookie; 131226f2ca3SVlad Buslov unsigned long flags; 132e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 13314e6b038SEli Cohen 13414e6b038SEli Cohen /* flows sharing the same reformat object - currently mpls decap */ 13514e6b038SEli Cohen struct list_head l3_to_l2_reformat; 13614e6b038SEli Cohen struct mlx5e_decap_entry *decap_reformat; 13714e6b038SEli Cohen 13879baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 13979baaec7SEli Britstein * The number of encaps is bounded by the number of supported 14079baaec7SEli Britstein * destinations. 14179baaec7SEli Britstein */ 14279baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 14304de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 144b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; /* attached mod header instance */ 145e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1465c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 14704de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 148b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 149553f9328SVu Pham struct net_device *orig_dev; /* netdev adding flow first */ 1502a1f1768SVlad Buslov int tmp_efi_index; 1516a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1525a7e5bcbSVlad Buslov refcount_t refcnt; 153c5d326b2SVlad Buslov struct rcu_head rcu_head; 15495435ad7SVlad Buslov struct completion init_done; 1550a7fcb78SPaul Blakey int tunnel_id; /* the mapped tunnel id of this flow */ 1560a7fcb78SPaul Blakey 1573bc4b7bfSOr Gerlitz union { 158ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1593bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1603bc4b7bfSOr Gerlitz }; 161e8f887acSAmir Vadai }; 162e8f887acSAmir Vadai 16317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1641f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 165d11afc26SOz Shlomo struct net_device *filter_dev; 16617091853SOr Gerlitz struct mlx5_flow_spec spec; 1676ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_hdr_acts; 16898b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 16914e6b038SEli Cohen struct ethhdr eth; 17017091853SOr Gerlitz }; 17117091853SOr Gerlitz 172acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 173b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 174e8f887acSAmir Vadai 1758f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 1768f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1778f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1788f1e0b97SPaul Blakey .moffset = 0, 1798f1e0b97SPaul Blakey .mlen = 2, 1808f1e0b97SPaul Blakey }, 1810a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1820a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 183d12f4521SPaul Blakey .moffset = 1, 184d12f4521SPaul Blakey .mlen = 3, 1850a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1860a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1870a7fcb78SPaul Blakey }, 1884c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 189a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1904c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1914c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1924c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1934c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 1948f1e0b97SPaul Blakey }; 1958f1e0b97SPaul Blakey 1960a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1970a7fcb78SPaul Blakey 1980a7fcb78SPaul Blakey void 1990a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 2000a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2010a7fcb78SPaul Blakey u32 data, 2020a7fcb78SPaul Blakey u32 mask) 2030a7fcb78SPaul Blakey { 2040a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2050a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2060a7fcb78SPaul Blakey void *headers_c = spec->match_criteria; 2070a7fcb78SPaul Blakey void *headers_v = spec->match_value; 2080a7fcb78SPaul Blakey void *fmask, *fval; 2090a7fcb78SPaul Blakey 2100a7fcb78SPaul Blakey fmask = headers_c + soffset; 2110a7fcb78SPaul Blakey fval = headers_v + soffset; 2120a7fcb78SPaul Blakey 21358ff18e1SSaeed Mahameed mask = (__force u32)(cpu_to_be32(mask)) >> (32 - (match_len * 8)); 21458ff18e1SSaeed Mahameed data = (__force u32)(cpu_to_be32(data)) >> (32 - (match_len * 8)); 2150a7fcb78SPaul Blakey 2160a7fcb78SPaul Blakey memcpy(fmask, &mask, match_len); 2170a7fcb78SPaul Blakey memcpy(fval, &data, match_len); 2180a7fcb78SPaul Blakey 2190a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2200a7fcb78SPaul Blakey } 2210a7fcb78SPaul Blakey 2227e36feebSPaul Blakey void 2237e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 2247e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 2257e36feebSPaul Blakey u32 *data, 2267e36feebSPaul Blakey u32 *mask) 2277e36feebSPaul Blakey { 2287e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2297e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2307e36feebSPaul Blakey void *headers_c = spec->match_criteria; 2317e36feebSPaul Blakey void *headers_v = spec->match_value; 2327e36feebSPaul Blakey void *fmask, *fval; 2337e36feebSPaul Blakey 2347e36feebSPaul Blakey fmask = headers_c + soffset; 2357e36feebSPaul Blakey fval = headers_v + soffset; 2367e36feebSPaul Blakey 2377e36feebSPaul Blakey memcpy(mask, fmask, match_len); 2387e36feebSPaul Blakey memcpy(data, fval, match_len); 2397e36feebSPaul Blakey 2407e36feebSPaul Blakey *mask = be32_to_cpu((__force __be32)(*mask << (32 - (match_len * 8)))); 2417e36feebSPaul Blakey *data = be32_to_cpu((__force __be32)(*data << (32 - (match_len * 8)))); 2427e36feebSPaul Blakey } 2437e36feebSPaul Blakey 2440a7fcb78SPaul Blakey int 2450a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 2460a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 2470a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2480a7fcb78SPaul Blakey u32 data) 2490a7fcb78SPaul Blakey { 2500a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2510a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2520a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2530a7fcb78SPaul Blakey char *modact; 2540a7fcb78SPaul Blakey int err; 2550a7fcb78SPaul Blakey 2560a7fcb78SPaul Blakey err = alloc_mod_hdr_actions(mdev, MLX5_FLOW_NAMESPACE_FDB, 2570a7fcb78SPaul Blakey mod_hdr_acts); 2580a7fcb78SPaul Blakey if (err) 2590a7fcb78SPaul Blakey return err; 2600a7fcb78SPaul Blakey 2610a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2620a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2630a7fcb78SPaul Blakey 2640a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 2650a7fcb78SPaul Blakey if (mlen == 4) 2660a7fcb78SPaul Blakey mlen = 0; 2670a7fcb78SPaul Blakey 2680a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2690a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 2700a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset * 8); 2710a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, length, mlen * 8); 2720a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 2730a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2740a7fcb78SPaul Blakey 2750a7fcb78SPaul Blakey return 0; 2760a7fcb78SPaul Blakey } 2770a7fcb78SPaul Blakey 27877ab67b7SOr Gerlitz struct mlx5e_hairpin { 27977ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 28077ab67b7SOr Gerlitz 28177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 2823f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 28377ab67b7SOr Gerlitz u32 tdn; 28477ab67b7SOr Gerlitz u32 tirn; 2853f6d08d1SOr Gerlitz 2863f6d08d1SOr Gerlitz int num_channels; 2873f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 2883f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 2893f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 29077ab67b7SOr Gerlitz }; 29177ab67b7SOr Gerlitz 2925c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 2935c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 2945c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 2955c65c564SOr Gerlitz 29673edca73SVlad Buslov /* protects flows list */ 29773edca73SVlad Buslov spinlock_t flows_lock; 2985c65c564SOr Gerlitz /* flows sharing the same hairpin */ 2995c65c564SOr Gerlitz struct list_head flows; 300db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 301db76ca24SVlad Buslov * function traversed them. 302db76ca24SVlad Buslov */ 303db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3045c65c564SOr Gerlitz 305d8822868SOr Gerlitz u16 peer_vhca_id; 306106be53bSOr Gerlitz u8 prio; 3075c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 308e4f9abbdSVlad Buslov refcount_t refcnt; 309db76ca24SVlad Buslov struct completion res_ready; 3105c65c564SOr Gerlitz }; 3115c65c564SOr Gerlitz 3125a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3135a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3145a7e5bcbSVlad Buslov 3155a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3165a7e5bcbSVlad Buslov { 3175a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3185a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3195a7e5bcbSVlad Buslov return flow; 3205a7e5bcbSVlad Buslov } 3215a7e5bcbSVlad Buslov 3225a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 3235a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 3245a7e5bcbSVlad Buslov { 3255a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3265a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 327c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3285a7e5bcbSVlad Buslov } 3295a7e5bcbSVlad Buslov } 3305a7e5bcbSVlad Buslov 331226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 332226f2ca3SVlad Buslov { 333226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 334226f2ca3SVlad Buslov smp_mb__before_atomic(); 335226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 336226f2ca3SVlad Buslov } 337226f2ca3SVlad Buslov 338226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 339226f2ca3SVlad Buslov 340c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 341c5d326b2SVlad Buslov unsigned long flag) 342c5d326b2SVlad Buslov { 343c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 344c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 345c5d326b2SVlad Buslov } 346c5d326b2SVlad Buslov 347c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 348c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 349c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 350c5d326b2SVlad Buslov 351226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 352226f2ca3SVlad Buslov { 353226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 354226f2ca3SVlad Buslov smp_mb__before_atomic(); 355226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 356226f2ca3SVlad Buslov } 357226f2ca3SVlad Buslov 358226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 359226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 360226f2ca3SVlad Buslov 361226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 362226f2ca3SVlad Buslov { 363226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 364226f2ca3SVlad Buslov 365226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 366226f2ca3SVlad Buslov smp_mb__after_atomic(); 367226f2ca3SVlad Buslov return ret; 368226f2ca3SVlad Buslov } 369226f2ca3SVlad Buslov 370226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 371226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 372226f2ca3SVlad Buslov 373226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 374226f2ca3SVlad Buslov { 375226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 376226f2ca3SVlad Buslov } 377226f2ca3SVlad Buslov 37884179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 37984179981SPaul Blakey { 38084179981SPaul Blakey return flow_flag_test(flow, FT); 38184179981SPaul Blakey } 38284179981SPaul Blakey 383226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 384226f2ca3SVlad Buslov { 385226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 386226f2ca3SVlad Buslov } 387226f2ca3SVlad Buslov 388d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 389d2faae25SVlad Buslov { 390d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 391d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 392d2faae25SVlad Buslov } 393b2fdf3d0SPaul Blakey 394b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 395b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 396b2fdf3d0SPaul Blakey { 397b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 398b2fdf3d0SPaul Blakey 399b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 400b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 401b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 402b2fdf3d0SPaul Blakey } 403b2fdf3d0SPaul Blakey 40411c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 40511c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 40611c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 40711c9c548SOr Gerlitz { 408b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 409b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 41011c9c548SOr Gerlitz 411b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 412b2fdf3d0SPaul Blakey get_flow_name_space(flow), 413b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 414b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 415b2fdf3d0SPaul Blakey return PTR_ERR(mh); 41611c9c548SOr Gerlitz 417b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 418d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 419b2fdf3d0SPaul Blakey flow->esw_attr->modify_hdr = modify_hdr; 42011c9c548SOr Gerlitz else 421b2fdf3d0SPaul Blakey flow->nic_attr->modify_hdr = modify_hdr; 422b2fdf3d0SPaul Blakey flow->mh = mh; 42311c9c548SOr Gerlitz 42411c9c548SOr Gerlitz return 0; 42511c9c548SOr Gerlitz } 42611c9c548SOr Gerlitz 42711c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 42811c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 42911c9c548SOr Gerlitz { 4305a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 431dd58edc3SVlad Buslov if (!flow->mh) 4325a7e5bcbSVlad Buslov return; 4335a7e5bcbSVlad Buslov 434b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 435b2fdf3d0SPaul Blakey flow->mh); 436dd58edc3SVlad Buslov flow->mh = NULL; 43711c9c548SOr Gerlitz } 43811c9c548SOr Gerlitz 43977ab67b7SOr Gerlitz static 44077ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 44177ab67b7SOr Gerlitz { 44277ab67b7SOr Gerlitz struct net_device *netdev; 44377ab67b7SOr Gerlitz struct mlx5e_priv *priv; 44477ab67b7SOr Gerlitz 44577ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 44677ab67b7SOr Gerlitz priv = netdev_priv(netdev); 44777ab67b7SOr Gerlitz return priv->mdev; 44877ab67b7SOr Gerlitz } 44977ab67b7SOr Gerlitz 45077ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 45177ab67b7SOr Gerlitz { 452e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {}; 45377ab67b7SOr Gerlitz void *tirc; 45477ab67b7SOr Gerlitz int err; 45577ab67b7SOr Gerlitz 45677ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 45777ab67b7SOr Gerlitz if (err) 45877ab67b7SOr Gerlitz goto alloc_tdn_err; 45977ab67b7SOr Gerlitz 46077ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 46177ab67b7SOr Gerlitz 46277ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 463ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 46477ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 46577ab67b7SOr Gerlitz 466e0b4b472SLeon Romanovsky err = mlx5_core_create_tir(hp->func_mdev, in, &hp->tirn); 46777ab67b7SOr Gerlitz if (err) 46877ab67b7SOr Gerlitz goto create_tir_err; 46977ab67b7SOr Gerlitz 47077ab67b7SOr Gerlitz return 0; 47177ab67b7SOr Gerlitz 47277ab67b7SOr Gerlitz create_tir_err: 47377ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 47477ab67b7SOr Gerlitz alloc_tdn_err: 47577ab67b7SOr Gerlitz return err; 47677ab67b7SOr Gerlitz } 47777ab67b7SOr Gerlitz 47877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 47977ab67b7SOr Gerlitz { 48077ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 48177ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 48277ab67b7SOr Gerlitz } 48377ab67b7SOr Gerlitz 4843f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 4853f6d08d1SOr Gerlitz { 4863f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 4873f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4883f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 4893f6d08d1SOr Gerlitz 4903f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 4913f6d08d1SOr Gerlitz hp->num_channels); 4923f6d08d1SOr Gerlitz 4933f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 4943f6d08d1SOr Gerlitz ix = i; 495bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 4963f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 4973f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 4983f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 4993f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5003f6d08d1SOr Gerlitz } 5013f6d08d1SOr Gerlitz } 5023f6d08d1SOr Gerlitz 5033f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5043f6d08d1SOr Gerlitz { 5053f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 5063f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5073f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 5083f6d08d1SOr Gerlitz void *rqtc; 5093f6d08d1SOr Gerlitz u32 *in; 5103f6d08d1SOr Gerlitz 5113f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 5123f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 5133f6d08d1SOr Gerlitz if (!in) 5143f6d08d1SOr Gerlitz return -ENOMEM; 5153f6d08d1SOr Gerlitz 5163f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 5173f6d08d1SOr Gerlitz 5183f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 5193f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 5203f6d08d1SOr Gerlitz 5213f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 5223f6d08d1SOr Gerlitz 5233f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 5243f6d08d1SOr Gerlitz if (!err) 5253f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 5263f6d08d1SOr Gerlitz 5273f6d08d1SOr Gerlitz kvfree(in); 5283f6d08d1SOr Gerlitz return err; 5293f6d08d1SOr Gerlitz } 5303f6d08d1SOr Gerlitz 5313f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5323f6d08d1SOr Gerlitz { 5333f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5343f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5353f6d08d1SOr Gerlitz int tt, i, err; 5363f6d08d1SOr Gerlitz void *tirc; 5373f6d08d1SOr Gerlitz 5383f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 539d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 540d930ac79SAya Levin 5413f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5423f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5433f6d08d1SOr Gerlitz 5443f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5453f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5463f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 547bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 548bbeb53b8SAya Levin 5493f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 550e0b4b472SLeon Romanovsky &hp->indir_tirn[tt]); 5513f6d08d1SOr Gerlitz if (err) { 5523f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5533f6d08d1SOr Gerlitz goto err_destroy_tirs; 5543f6d08d1SOr Gerlitz } 5553f6d08d1SOr Gerlitz } 5563f6d08d1SOr Gerlitz return 0; 5573f6d08d1SOr Gerlitz 5583f6d08d1SOr Gerlitz err_destroy_tirs: 5593f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 5603f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 5613f6d08d1SOr Gerlitz return err; 5623f6d08d1SOr Gerlitz } 5633f6d08d1SOr Gerlitz 5643f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5653f6d08d1SOr Gerlitz { 5663f6d08d1SOr Gerlitz int tt; 5673f6d08d1SOr Gerlitz 5683f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5693f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 5703f6d08d1SOr Gerlitz } 5713f6d08d1SOr Gerlitz 5723f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5733f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5743f6d08d1SOr Gerlitz { 5753f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5763f6d08d1SOr Gerlitz int tt; 5773f6d08d1SOr Gerlitz 5783f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5793f6d08d1SOr Gerlitz 5803f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 5813f6d08d1SOr Gerlitz 5823f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5833f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 5843f6d08d1SOr Gerlitz 5856412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 5863f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 5873f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 5883f6d08d1SOr Gerlitz } 5893f6d08d1SOr Gerlitz 5903f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 5913f6d08d1SOr Gerlitz { 5923f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5933f6d08d1SOr Gerlitz struct ttc_params ttc_params; 5943f6d08d1SOr Gerlitz int err; 5953f6d08d1SOr Gerlitz 5963f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 5973f6d08d1SOr Gerlitz if (err) 5983f6d08d1SOr Gerlitz return err; 5993f6d08d1SOr Gerlitz 6003f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6013f6d08d1SOr Gerlitz if (err) 6023f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6033f6d08d1SOr Gerlitz 6043f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 6053f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 6063f6d08d1SOr Gerlitz if (err) 6073f6d08d1SOr Gerlitz goto err_create_ttc_table; 6083f6d08d1SOr Gerlitz 6093f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 6103f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 6113f6d08d1SOr Gerlitz 6123f6d08d1SOr Gerlitz return 0; 6133f6d08d1SOr Gerlitz 6143f6d08d1SOr Gerlitz err_create_ttc_table: 6153f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6163f6d08d1SOr Gerlitz err_create_indirect_tirs: 6173f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6183f6d08d1SOr Gerlitz 6193f6d08d1SOr Gerlitz return err; 6203f6d08d1SOr Gerlitz } 6213f6d08d1SOr Gerlitz 6223f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6233f6d08d1SOr Gerlitz { 6243f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6253f6d08d1SOr Gerlitz 6263f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6273f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6283f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6293f6d08d1SOr Gerlitz } 6303f6d08d1SOr Gerlitz 63177ab67b7SOr Gerlitz static struct mlx5e_hairpin * 63277ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 63377ab67b7SOr Gerlitz int peer_ifindex) 63477ab67b7SOr Gerlitz { 63577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 63677ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 63777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 63877ab67b7SOr Gerlitz int err; 63977ab67b7SOr Gerlitz 64077ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 64177ab67b7SOr Gerlitz if (!hp) 64277ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 64377ab67b7SOr Gerlitz 64477ab67b7SOr Gerlitz func_mdev = priv->mdev; 64577ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 64677ab67b7SOr Gerlitz 64777ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 64877ab67b7SOr Gerlitz if (IS_ERR(pair)) { 64977ab67b7SOr Gerlitz err = PTR_ERR(pair); 65077ab67b7SOr Gerlitz goto create_pair_err; 65177ab67b7SOr Gerlitz } 65277ab67b7SOr Gerlitz hp->pair = pair; 65377ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6543f6d08d1SOr Gerlitz hp->func_priv = priv; 6553f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 65677ab67b7SOr Gerlitz 65777ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 65877ab67b7SOr Gerlitz if (err) 65977ab67b7SOr Gerlitz goto create_transport_err; 66077ab67b7SOr Gerlitz 6613f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6623f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6633f6d08d1SOr Gerlitz if (err) 6643f6d08d1SOr Gerlitz goto rss_init_err; 6653f6d08d1SOr Gerlitz } 6663f6d08d1SOr Gerlitz 66777ab67b7SOr Gerlitz return hp; 66877ab67b7SOr Gerlitz 6693f6d08d1SOr Gerlitz rss_init_err: 6703f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 67177ab67b7SOr Gerlitz create_transport_err: 67277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 67377ab67b7SOr Gerlitz create_pair_err: 67477ab67b7SOr Gerlitz kfree(hp); 67577ab67b7SOr Gerlitz return ERR_PTR(err); 67677ab67b7SOr Gerlitz } 67777ab67b7SOr Gerlitz 67877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 67977ab67b7SOr Gerlitz { 6803f6d08d1SOr Gerlitz if (hp->num_channels > 1) 6813f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 68277ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 68377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 68477ab67b7SOr Gerlitz kvfree(hp); 68577ab67b7SOr Gerlitz } 68677ab67b7SOr Gerlitz 687106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 688106be53bSOr Gerlitz { 689106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 690106be53bSOr Gerlitz } 691106be53bSOr Gerlitz 6925c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 693106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 6945c65c564SOr Gerlitz { 6955c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 696106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 6975c65c564SOr Gerlitz 6985c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 699106be53bSOr Gerlitz hairpin_hlist, hash_key) { 700e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 701e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7025c65c564SOr Gerlitz return hpe; 7035c65c564SOr Gerlitz } 704e4f9abbdSVlad Buslov } 7055c65c564SOr Gerlitz 7065c65c564SOr Gerlitz return NULL; 7075c65c564SOr Gerlitz } 7085c65c564SOr Gerlitz 709e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 710e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 711e4f9abbdSVlad Buslov { 712e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 713b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 714e4f9abbdSVlad Buslov return; 715b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 716b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 717e4f9abbdSVlad Buslov 718db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 719e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 720e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 721e4f9abbdSVlad Buslov 722e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 723db76ca24SVlad Buslov } 724db76ca24SVlad Buslov 725db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 726e4f9abbdSVlad Buslov kfree(hpe); 727e4f9abbdSVlad Buslov } 728e4f9abbdSVlad Buslov 729106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 730106be53bSOr Gerlitz 731106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 732e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 733e98bedf5SEli Britstein struct netlink_ext_ack *extack) 734106be53bSOr Gerlitz { 735106be53bSOr Gerlitz void *headers_c, *headers_v; 736106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 737106be53bSOr Gerlitz bool vlan_present; 738106be53bSOr Gerlitz 739106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 740106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 741e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 742e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 743106be53bSOr Gerlitz return -EOPNOTSUPP; 744106be53bSOr Gerlitz } 745106be53bSOr Gerlitz #endif 746106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 747106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 748106be53bSOr Gerlitz 749106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 750106be53bSOr Gerlitz if (vlan_present) { 751106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 752106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 753106be53bSOr Gerlitz } 754106be53bSOr Gerlitz 755106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 756106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 757106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 758e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 759e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 760106be53bSOr Gerlitz return -EOPNOTSUPP; 761106be53bSOr Gerlitz } 762106be53bSOr Gerlitz 763106be53bSOr Gerlitz *match_prio = prio_val; 764106be53bSOr Gerlitz return 0; 765106be53bSOr Gerlitz } 766106be53bSOr Gerlitz 7675c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7685c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 769e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 770e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7715c65c564SOr Gerlitz { 77298b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7735c65c564SOr Gerlitz struct mlx5_hairpin_params params; 774d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7755c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7765c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7773f6d08d1SOr Gerlitz u64 link_speed64; 7783f6d08d1SOr Gerlitz u32 link_speed; 779106be53bSOr Gerlitz u8 match_prio; 780d8822868SOr Gerlitz u16 peer_id; 7815c65c564SOr Gerlitz int err; 7825c65c564SOr Gerlitz 783d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 784d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 785e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 7865c65c564SOr Gerlitz return -EOPNOTSUPP; 7875c65c564SOr Gerlitz } 7885c65c564SOr Gerlitz 789d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 790e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 791e98bedf5SEli Britstein extack); 792106be53bSOr Gerlitz if (err) 793106be53bSOr Gerlitz return err; 794b32accdaSVlad Buslov 795b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 796106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 797db76ca24SVlad Buslov if (hpe) { 798db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 799db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 800db76ca24SVlad Buslov 801db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 802db76ca24SVlad Buslov err = -EREMOTEIO; 803db76ca24SVlad Buslov goto out_err; 804db76ca24SVlad Buslov } 8055c65c564SOr Gerlitz goto attach_flow; 806db76ca24SVlad Buslov } 8075c65c564SOr Gerlitz 8085c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 809b32accdaSVlad Buslov if (!hpe) { 810db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 811db76ca24SVlad Buslov return -ENOMEM; 812b32accdaSVlad Buslov } 8135c65c564SOr Gerlitz 81473edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8155c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 816db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 817d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 818106be53bSOr Gerlitz hpe->prio = match_prio; 819e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 820db76ca24SVlad Buslov init_completion(&hpe->res_ready); 821db76ca24SVlad Buslov 822db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 823db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 824db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8255c65c564SOr Gerlitz 8265c65c564SOr Gerlitz params.log_data_size = 15; 8275c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8285c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8295c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8305c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8315c65c564SOr Gerlitz 832eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 833eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 834eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 835eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 836eb9180f7SOr Gerlitz 837eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8383f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8392c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8403f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8413f6d08d1SOr Gerlitz link_speed64 = link_speed; 8423f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8433f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8443f6d08d1SOr Gerlitz 8455c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 846db76ca24SVlad Buslov hpe->hp = hp; 847db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8485c65c564SOr Gerlitz if (IS_ERR(hp)) { 8495c65c564SOr Gerlitz err = PTR_ERR(hp); 850db76ca24SVlad Buslov goto out_err; 8515c65c564SOr Gerlitz } 8525c65c564SOr Gerlitz 853eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 85427b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 85527b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 856eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8575c65c564SOr Gerlitz 8585c65c564SOr Gerlitz attach_flow: 8593f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 860226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 8613f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 8623f6d08d1SOr Gerlitz } else { 8635c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 8643f6d08d1SOr Gerlitz } 865b32accdaSVlad Buslov 866e4f9abbdSVlad Buslov flow->hpe = hpe; 86773edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8685c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 86973edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8703f6d08d1SOr Gerlitz 8715c65c564SOr Gerlitz return 0; 8725c65c564SOr Gerlitz 873db76ca24SVlad Buslov out_err: 874db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 8755c65c564SOr Gerlitz return err; 8765c65c564SOr Gerlitz } 8775c65c564SOr Gerlitz 8785c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 8795c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 8805c65c564SOr Gerlitz { 8815a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 882e4f9abbdSVlad Buslov if (!flow->hpe) 8835a7e5bcbSVlad Buslov return; 8845a7e5bcbSVlad Buslov 88573edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 8865c65c564SOr Gerlitz list_del(&flow->hairpin); 88773edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 88873edca73SVlad Buslov 889e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 890e4f9abbdSVlad Buslov flow->hpe = NULL; 8915c65c564SOr Gerlitz } 8925c65c564SOr Gerlitz 893c83954abSRabie Loulou static int 89474491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 89517091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 896e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 897e98bedf5SEli Britstein struct netlink_ext_ack *extack) 898e8f887acSAmir Vadai { 899bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 900aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 901aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 9025c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 90366958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9043bc4b7bfSOr Gerlitz .action = attr->action, 905bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 90666958ed9SHadar Hen Zion }; 907aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 9085c65c564SOr Gerlitz int err, dest_ix = 0; 909e8f887acSAmir Vadai 910bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 911bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 912bb0ee7dcSJianbo Liu 913226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 914e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 9155a7e5bcbSVlad Buslov if (err) 9165a7e5bcbSVlad Buslov return err; 9175a7e5bcbSVlad Buslov 918226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 9193f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9203f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 9213f6d08d1SOr Gerlitz } else { 9225c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 9235c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 9243f6d08d1SOr Gerlitz } 9253f6d08d1SOr Gerlitz dest_ix++; 9263f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9275c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 9285c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 9295c65c564SOr Gerlitz dest_ix++; 9305c65c564SOr Gerlitz } 931aad7e08dSAmir Vadai 9325c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9335c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 9345a7e5bcbSVlad Buslov if (IS_ERR(counter)) 9355a7e5bcbSVlad Buslov return PTR_ERR(counter); 9365a7e5bcbSVlad Buslov 9375c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 938171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 9395c65c564SOr Gerlitz dest_ix++; 940b8aee822SMark Bloch attr->counter = counter; 941aad7e08dSAmir Vadai } 942aad7e08dSAmir Vadai 9432f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 9443099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 9452b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9466ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 947c83954abSRabie Loulou if (err) 9485a7e5bcbSVlad Buslov return err; 9492f4fe4caSOr Gerlitz } 9502f4fe4caSOr Gerlitz 951b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 952acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 95361dc7b01SPaul Blakey struct mlx5_flow_table_attr ft_attr = {}; 95461dc7b01SPaul Blakey int tc_grp_size, tc_tbl_size, tc_num_grps; 95521b9c144SOr Gerlitz u32 max_flow_counter; 95621b9c144SOr Gerlitz 95721b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 95821b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 95921b9c144SOr Gerlitz 96021b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 96121b9c144SOr Gerlitz 96221b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 96321b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 96461dc7b01SPaul Blakey tc_num_grps = MLX5E_TC_TABLE_NUM_GROUPS; 96521b9c144SOr Gerlitz 96661dc7b01SPaul Blakey ft_attr.prio = MLX5E_TC_PRIO; 96761dc7b01SPaul Blakey ft_attr.max_fte = tc_tbl_size; 96861dc7b01SPaul Blakey ft_attr.level = MLX5E_TC_FT_LEVEL; 96961dc7b01SPaul Blakey ft_attr.autogroup.max_num_groups = tc_num_grps; 970acff797cSMaor Gottlieb priv->fs.tc.t = 971acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 97261dc7b01SPaul Blakey &ft_attr); 973acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 974b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 975e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 976c75a33c8SJacob Keller "Failed to create tc offload table"); 977e8f887acSAmir Vadai netdev_err(priv->netdev, 978e8f887acSAmir Vadai "Failed to create tc offload table\n"); 9795a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 980e8f887acSAmir Vadai } 981e8f887acSAmir Vadai } 982e8f887acSAmir Vadai 98338aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 984d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 98538aa51c1SOr Gerlitz 986c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 9875c65c564SOr Gerlitz &flow_act, dest, dest_ix); 988b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 989e8f887acSAmir Vadai 990a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 991e8f887acSAmir Vadai } 992e8f887acSAmir Vadai 993d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 994d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 995d85cdccbSOr Gerlitz { 996513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 997d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 998d85cdccbSOr Gerlitz 999b8aee822SMark Bloch counter = attr->counter; 10005a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1001e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1002d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1003d85cdccbSOr Gerlitz 1004b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1005226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1006d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1007d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1008d85cdccbSOr Gerlitz } 1009b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 10102f4fe4caSOr Gerlitz 1011513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10123099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 10135c65c564SOr Gerlitz 1014226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 10155c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1016d85cdccbSOr Gerlitz } 1017d85cdccbSOr Gerlitz 1018aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 10198c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1020aa0cbbaeSOr Gerlitz 10213c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1022e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1023733d4f36SRoi Dayan struct net_device *mirred_dev, 1024733d4f36SRoi Dayan int out_index, 10258c4dc42bSEli Britstein struct netlink_ext_ack *extack, 10260ad060eeSRoi Dayan struct net_device **encap_dev, 10270ad060eeSRoi Dayan bool *encap_valid); 102814e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 102914e6b038SEli Cohen struct mlx5e_tc_flow *flow, 103014e6b038SEli Cohen struct netlink_ext_ack *extack); 103114e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 103214e6b038SEli Cohen struct mlx5e_tc_flow *flow); 10333c37745eSOr Gerlitz 10346d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 10356d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 10366d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10376d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 10386d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10396d2a3ed0SOr Gerlitz { 10401ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 10416d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10424c3844d9SPaul Blakey 10431ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 10441ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 10451ef3018fSPaul Blakey 10461ef3018fSPaul Blakey return mlx5_tc_ct_flow_offload(flow->priv, flow, spec, attr, 10471ef3018fSPaul Blakey mod_hdr_acts); 10481ef3018fSPaul Blakey } 10496d2a3ed0SOr Gerlitz 10506d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 10516d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 10526d2a3ed0SOr Gerlitz return rule; 10536d2a3ed0SOr Gerlitz 1054e85e02baSEli Britstein if (attr->split_count) { 10556d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 10566d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 10576d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 10586d2a3ed0SOr Gerlitz return flow->rule[1]; 10596d2a3ed0SOr Gerlitz } 10606d2a3ed0SOr Gerlitz } 10616d2a3ed0SOr Gerlitz 10626d2a3ed0SOr Gerlitz return rule; 10636d2a3ed0SOr Gerlitz } 10646d2a3ed0SOr Gerlitz 10656d2a3ed0SOr Gerlitz static void 10666d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 10676d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10686d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 10696d2a3ed0SOr Gerlitz { 1070226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 10716d2a3ed0SOr Gerlitz 10724c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 10734c3844d9SPaul Blakey mlx5_tc_ct_delete_flow(flow->priv, flow, attr); 10744c3844d9SPaul Blakey return; 10754c3844d9SPaul Blakey } 10764c3844d9SPaul Blakey 1077e85e02baSEli Britstein if (attr->split_count) 10786d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 10796d2a3ed0SOr Gerlitz 10806d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 10816d2a3ed0SOr Gerlitz } 10826d2a3ed0SOr Gerlitz 10835dbe906fSPaul Blakey static struct mlx5_flow_handle * 10845dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 10855dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1086178f69b4SEli Cohen struct mlx5_flow_spec *spec) 10875dbe906fSPaul Blakey { 1088178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 10895dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 10905dbe906fSPaul Blakey 1091178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1092178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1093178f69b4SEli Cohen slow_attr.split_count = 0; 1094178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 10955dbe906fSPaul Blakey 1096178f69b4SEli Cohen rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, &slow_attr); 10975dbe906fSPaul Blakey if (!IS_ERR(rule)) 1098226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 10995dbe906fSPaul Blakey 11005dbe906fSPaul Blakey return rule; 11015dbe906fSPaul Blakey } 11025dbe906fSPaul Blakey 11035dbe906fSPaul Blakey static void 11045dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1105178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 11065dbe906fSPaul Blakey { 1107178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 1108178f69b4SEli Cohen 1109178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1110178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1111178f69b4SEli Cohen slow_attr.split_count = 0; 1112178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1113178f69b4SEli Cohen mlx5e_tc_unoffload_fdb_rules(esw, flow, &slow_attr); 1114226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 11155dbe906fSPaul Blakey } 11165dbe906fSPaul Blakey 1117ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1118ad86755bSVlad Buslov * function. 1119ad86755bSVlad Buslov */ 1120ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1121ad86755bSVlad Buslov struct list_head *unready_flows) 1122ad86755bSVlad Buslov { 1123ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1124ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1125ad86755bSVlad Buslov } 1126ad86755bSVlad Buslov 1127ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1128ad86755bSVlad Buslov * function. 1129ad86755bSVlad Buslov */ 1130ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1131ad86755bSVlad Buslov { 1132ad86755bSVlad Buslov list_del(&flow->unready); 1133ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1134ad86755bSVlad Buslov } 1135ad86755bSVlad Buslov 1136b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1137b4a23329SRoi Dayan { 1138b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1139b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1140b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1141b4a23329SRoi Dayan 1142b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1143b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1144b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1145b4a23329SRoi Dayan 1146ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1147ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1148ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1149b4a23329SRoi Dayan } 1150b4a23329SRoi Dayan 1151b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1152b4a23329SRoi Dayan { 1153ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1154ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1155ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1156ad86755bSVlad Buslov 1157ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1158ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1159ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1160ad86755bSVlad Buslov 1161ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1162ad86755bSVlad Buslov unready_flow_del(flow); 1163ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1164b4a23329SRoi Dayan } 1165b4a23329SRoi Dayan 1166c83954abSRabie Loulou static int 116774491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1168e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1169e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1170adb4c123SOr Gerlitz { 1171adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1172aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 11737040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 11743c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1175b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 11763c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 11773c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 11780ad060eeSRoi Dayan bool encap_valid = true; 117939ac237cSPaul Blakey u32 max_prio, max_chain; 11800ad060eeSRoi Dayan int err = 0; 1181f493f155SEli Britstein int out_index; 11828b32580dSOr Gerlitz 118339ac237cSPaul Blakey if (!mlx5_esw_chains_prios_supported(esw) && attr->prio != 1) { 118461644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 118561644c3dSRoi Dayan "E-switch priorities unsupported, upgrade FW"); 1186d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1187d14f6f2aSOr Gerlitz } 1188e52c2802SPaul Blakey 118984179981SPaul Blakey /* We check chain range only for tc flows. 119084179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 119184179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 119284179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 119384179981SPaul Blakey */ 119439ac237cSPaul Blakey max_chain = mlx5_esw_chains_get_chain_range(esw); 119584179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 119661644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 119761644c3dSRoi Dayan "Requested chain is out of supported range"); 11985a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1199bf07aa73SPaul Blakey } 1200bf07aa73SPaul Blakey 120139ac237cSPaul Blakey max_prio = mlx5_esw_chains_get_prio_range(esw); 1202bf07aa73SPaul Blakey if (attr->prio > max_prio) { 120361644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 120461644c3dSRoi Dayan "Requested priority is out of supported range"); 12055a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1206bf07aa73SPaul Blakey } 1207bf07aa73SPaul Blakey 120814e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 120914e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 121014e6b038SEli Cohen if (err) 121114e6b038SEli Cohen return err; 121214e6b038SEli Cohen } 121314e6b038SEli Cohen 1214f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 12158c4dc42bSEli Britstein int mirred_ifindex; 12168c4dc42bSEli Britstein 1217f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1218f493f155SEli Britstein continue; 1219f493f155SEli Britstein 12207040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 12213c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 12228c4dc42bSEli Britstein mirred_ifindex); 1223733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 12240ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 12250ad060eeSRoi Dayan if (err) 12265a7e5bcbSVlad Buslov return err; 12270ad060eeSRoi Dayan 12283c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 12293c37745eSOr Gerlitz rpriv = out_priv->ppriv; 12301cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 12311cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 12323c37745eSOr Gerlitz } 12333c37745eSOr Gerlitz 12348b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1235c83954abSRabie Loulou if (err) 12365a7e5bcbSVlad Buslov return err; 1237adb4c123SOr Gerlitz 1238d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1239d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 12401a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 12416ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1242c83954abSRabie Loulou if (err) 12435a7e5bcbSVlad Buslov return err; 1244d7e75a32SOr Gerlitz } 1245d7e75a32SOr Gerlitz 1246b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1247f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 12485a7e5bcbSVlad Buslov if (IS_ERR(counter)) 12495a7e5bcbSVlad Buslov return PTR_ERR(counter); 1250b8aee822SMark Bloch 1251b8aee822SMark Bloch attr->counter = counter; 1252b8aee822SMark Bloch } 1253b8aee822SMark Bloch 12540ad060eeSRoi Dayan /* we get here if one of the following takes place: 12550ad060eeSRoi Dayan * (1) there's no error 12560ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 12573c37745eSOr Gerlitz */ 1258bc1d75faSRoi Dayan if (!encap_valid) 1259178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1260bc1d75faSRoi Dayan else 12616d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 12625dbe906fSPaul Blakey 12635a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 12645a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1265226f2ca3SVlad Buslov else 1266226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1267c83954abSRabie Loulou 12685dbe906fSPaul Blakey return 0; 1269aa0cbbaeSOr Gerlitz } 1270d85cdccbSOr Gerlitz 12719272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 12729272e3dfSYevgeny Kliteynik { 12739272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 12749272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 12759272e3dfSYevgeny Kliteynik spec->match_value, 12769272e3dfSYevgeny Kliteynik misc_parameters_3); 12779272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 12789272e3dfSYevgeny Kliteynik headers_v, 12799272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 12809272e3dfSYevgeny Kliteynik 12819272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 12829272e3dfSYevgeny Kliteynik } 12839272e3dfSYevgeny Kliteynik 1284d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1285d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1286d85cdccbSOr Gerlitz { 1287d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1288d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 1289f493f155SEli Britstein int out_index; 1290d85cdccbSOr Gerlitz 12910a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 12920a7fcb78SPaul Blakey 129312a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1294b4a23329SRoi Dayan remove_unready_flow(flow); 1295ef06c9eeSRoi Dayan 1296226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1297226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1298178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 12995dbe906fSPaul Blakey else 13005dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 13015dbe906fSPaul Blakey } 1302d85cdccbSOr Gerlitz 13039272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 13049272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 13059272e3dfSYevgeny Kliteynik 1306513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1307d85cdccbSOr Gerlitz 1308f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 13092a4b6526SVlad Buslov if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 13108c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 13112a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 13122a4b6526SVlad Buslov } 1313f493f155SEli Britstein kvfree(attr->parse_attr); 1314d7e75a32SOr Gerlitz 1315513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 13161a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1317b8aee822SMark Bloch 1318b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1319f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 132014e6b038SEli Cohen 132114e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 132214e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1323d85cdccbSOr Gerlitz } 1324d85cdccbSOr Gerlitz 1325232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 13262a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13272a1f1768SVlad Buslov struct list_head *flow_list) 1328232c0013SHadar Hen Zion { 13293c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1330178f69b4SEli Cohen struct mlx5_esw_flow_attr *esw_attr; 13316d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 13326d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1333232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1334232c0013SHadar Hen Zion int err; 1335232c0013SHadar Hen Zion 13362b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 133754c177caSOz Shlomo e->reformat_type, 1338232c0013SHadar Hen Zion e->encap_size, e->encap_header, 13392b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 13402b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 13412b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 13422b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1343232c0013SHadar Hen Zion return; 1344232c0013SHadar Hen Zion } 1345232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1346f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1347232c0013SHadar Hen Zion 13482a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 13498c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 13508c4dc42bSEli Britstein int i; 13518c4dc42bSEli Britstein 135295435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 135395435ad7SVlad Buslov continue; 13543c37745eSOr Gerlitz esw_attr = flow->esw_attr; 13556d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 13566d2a3ed0SOr Gerlitz 13572b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 13582a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 13598c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 13608c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 13618c4dc42bSEli Britstein * a valid neighbour. 13628c4dc42bSEli Britstein */ 13638c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 13648c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 13658c4dc42bSEli Britstein continue; 13668c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 13678c4dc42bSEli Britstein all_flow_encaps_valid = false; 13688c4dc42bSEli Britstein break; 13698c4dc42bSEli Britstein } 13708c4dc42bSEli Britstein } 13718c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 13728c4dc42bSEli Britstein if (!all_flow_encaps_valid) 13732a1f1768SVlad Buslov continue; 13745dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 13756d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 13766d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 13776d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1378232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1379232c0013SHadar Hen Zion err); 13802a1f1768SVlad Buslov continue; 1381232c0013SHadar Hen Zion } 13825dbe906fSPaul Blakey 1383178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 13846d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1385226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1386226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1387232c0013SHadar Hen Zion } 1388232c0013SHadar Hen Zion } 1389232c0013SHadar Hen Zion 1390232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 13912a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13922a1f1768SVlad Buslov struct list_head *flow_list) 1393232c0013SHadar Hen Zion { 13943c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13955dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 13965dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1397232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 13985dbe906fSPaul Blakey int err; 1399232c0013SHadar Hen Zion 14002a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 140195435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 140295435ad7SVlad Buslov continue; 14035dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 14045dbe906fSPaul Blakey 14055dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 1406178f69b4SEli Cohen rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec); 14078c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 14082a1f1768SVlad Buslov flow->esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 14095dbe906fSPaul Blakey 14105dbe906fSPaul Blakey if (IS_ERR(rule)) { 14115dbe906fSPaul Blakey err = PTR_ERR(rule); 14125dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 14135dbe906fSPaul Blakey err); 14142a1f1768SVlad Buslov continue; 14155dbe906fSPaul Blakey } 14165dbe906fSPaul Blakey 14176d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 14185dbe906fSPaul Blakey flow->rule[0] = rule; 1419226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1420226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1421232c0013SHadar Hen Zion } 1422232c0013SHadar Hen Zion 142361c806daSOr Gerlitz /* we know that the encap is valid */ 1424232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 14252b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1426232c0013SHadar Hen Zion } 1427232c0013SHadar Hen Zion 1428b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1429b8aee822SMark Bloch { 1430226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1431b8aee822SMark Bloch return flow->esw_attr->counter; 1432b8aee822SMark Bloch else 1433b8aee822SMark Bloch return flow->nic_attr->counter; 1434b8aee822SMark Bloch } 1435b8aee822SMark Bloch 14362a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 14372a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 14382a1f1768SVlad Buslov */ 14392a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 14402a1f1768SVlad Buslov { 14412a1f1768SVlad Buslov struct encap_flow_item *efi; 14422a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 14432a1f1768SVlad Buslov 14442a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 14452a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 14462a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 14472a1f1768SVlad Buslov continue; 144895435ad7SVlad Buslov wait_for_completion(&flow->init_done); 14492a1f1768SVlad Buslov 14502a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 14512a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 14522a1f1768SVlad Buslov } 14532a1f1768SVlad Buslov } 14542a1f1768SVlad Buslov 14556a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 14562a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 14576a06c2f7SVlad Buslov { 14586a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 14596a06c2f7SVlad Buslov 14606a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 14616a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 14626a06c2f7SVlad Buslov } 14636a06c2f7SVlad Buslov 1464ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1465ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1466ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1467ac0d9176SVlad Buslov { 1468ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1469ac0d9176SVlad Buslov 1470ac0d9176SVlad Buslov retry: 1471ac0d9176SVlad Buslov rcu_read_lock(); 1472ac0d9176SVlad Buslov 1473ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1474ac0d9176SVlad Buslov for (next = e ? 1475ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1476ac0d9176SVlad Buslov &e->encap_list, 1477ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1478ac0d9176SVlad Buslov encap_list) : 1479ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1480ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1481ac0d9176SVlad Buslov encap_list); 1482ac0d9176SVlad Buslov next; 1483ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1484ac0d9176SVlad Buslov &next->encap_list, 1485ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1486ac0d9176SVlad Buslov encap_list)) 1487ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1488ac0d9176SVlad Buslov break; 1489ac0d9176SVlad Buslov 1490ac0d9176SVlad Buslov rcu_read_unlock(); 1491ac0d9176SVlad Buslov 1492ac0d9176SVlad Buslov /* release starting encap */ 1493ac0d9176SVlad Buslov if (e) 1494ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1495ac0d9176SVlad Buslov if (!next) 1496ac0d9176SVlad Buslov return next; 1497ac0d9176SVlad Buslov 1498ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1499ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1500ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1501ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1502ac0d9176SVlad Buslov e = next; 1503ac0d9176SVlad Buslov goto retry; 1504ac0d9176SVlad Buslov } 1505ac0d9176SVlad Buslov 1506ac0d9176SVlad Buslov return next; 1507ac0d9176SVlad Buslov } 1508ac0d9176SVlad Buslov 1509f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1510f6dfb4c3SHadar Hen Zion { 1511f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1512ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1513f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1514f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1515f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1516f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1517f6dfb4c3SHadar Hen Zion struct neighbour *n; 151890bb7692SAriel Levkovich u64 lastuse; 1519f6dfb4c3SHadar Hen Zion 1520f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1521f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1522f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1523f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 15245cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1525f6dfb4c3SHadar Hen Zion #endif 1526f6dfb4c3SHadar Hen Zion else 1527f6dfb4c3SHadar Hen Zion return; 1528f6dfb4c3SHadar Hen Zion 1529ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1530ac0d9176SVlad Buslov * next one. 1531ac0d9176SVlad Buslov */ 1532ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 15336a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 15345a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 15356a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 15366a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1537948993f2SVlad Buslov 15386a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 15396a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 15405a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 154179baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 154279baaec7SEli Britstein encaps[efi->index]); 15435a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15445a7e5bcbSVlad Buslov continue; 15456a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 15465a7e5bcbSVlad Buslov 1547226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1548b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 154990bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1550f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1551f6dfb4c3SHadar Hen Zion neigh_used = true; 1552f6dfb4c3SHadar Hen Zion break; 1553f6dfb4c3SHadar Hen Zion } 1554f6dfb4c3SHadar Hen Zion } 1555f6dfb4c3SHadar Hen Zion } 15566a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1557948993f2SVlad Buslov 15586a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1559ac0d9176SVlad Buslov if (neigh_used) { 1560ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 15616a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1562e36d4810SRoi Dayan break; 1563f6dfb4c3SHadar Hen Zion } 1564ac0d9176SVlad Buslov } 1565f6dfb4c3SHadar Hen Zion 1566c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1567c786fe59SVlad Buslov 1568f6dfb4c3SHadar Hen Zion if (neigh_used) { 1569f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1570f6dfb4c3SHadar Hen Zion 1571f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1572f6dfb4c3SHadar Hen Zion * dst ip pair 1573f6dfb4c3SHadar Hen Zion */ 1574f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1575c7f7ba8dSRoi Dayan if (!n) 1576f6dfb4c3SHadar Hen Zion return; 1577f6dfb4c3SHadar Hen Zion 1578f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1579f6dfb4c3SHadar Hen Zion neigh_release(n); 1580f6dfb4c3SHadar Hen Zion } 1581f6dfb4c3SHadar Hen Zion } 1582f6dfb4c3SHadar Hen Zion 158361086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1584d85cdccbSOr Gerlitz { 1585948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 15863c140dd5SVlad Buslov 15873c140dd5SVlad Buslov if (e->compl_result > 0) { 1588232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1589232c0013SHadar Hen Zion 1590232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 15912b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 15923c140dd5SVlad Buslov } 1593232c0013SHadar Hen Zion 15942a4b6526SVlad Buslov kfree(e->tun_info); 1595232c0013SHadar Hen Zion kfree(e->encap_header); 1596ac0d9176SVlad Buslov kfree_rcu(e, rcu); 15975067b602SRoi Dayan } 1598948993f2SVlad Buslov 159914e6b038SEli Cohen static void mlx5e_decap_dealloc(struct mlx5e_priv *priv, 160014e6b038SEli Cohen struct mlx5e_decap_entry *d) 160114e6b038SEli Cohen { 160214e6b038SEli Cohen WARN_ON(!list_empty(&d->flows)); 160314e6b038SEli Cohen 160414e6b038SEli Cohen if (!d->compl_result) 160514e6b038SEli Cohen mlx5_packet_reformat_dealloc(priv->mdev, d->pkt_reformat); 160614e6b038SEli Cohen 160714e6b038SEli Cohen kfree_rcu(d, rcu); 160814e6b038SEli Cohen } 160914e6b038SEli Cohen 161061086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 161161086f39SVlad Buslov { 161261086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 161361086f39SVlad Buslov 161461086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 161561086f39SVlad Buslov return; 161661086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 161761086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 161861086f39SVlad Buslov 161961086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 162061086f39SVlad Buslov } 162161086f39SVlad Buslov 162214e6b038SEli Cohen static void mlx5e_decap_put(struct mlx5e_priv *priv, struct mlx5e_decap_entry *d) 162314e6b038SEli Cohen { 162414e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 162514e6b038SEli Cohen 162614e6b038SEli Cohen if (!refcount_dec_and_mutex_lock(&d->refcnt, &esw->offloads.decap_tbl_lock)) 162714e6b038SEli Cohen return; 162814e6b038SEli Cohen hash_del_rcu(&d->hlist); 162914e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 163014e6b038SEli Cohen 163114e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 163214e6b038SEli Cohen } 163314e6b038SEli Cohen 1634948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1635948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1636948993f2SVlad Buslov { 163761086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 163861086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 163961086f39SVlad Buslov 1640948993f2SVlad Buslov /* flow wasn't fully initialized */ 164161086f39SVlad Buslov if (!e) 1642948993f2SVlad Buslov return; 1643948993f2SVlad Buslov 164461086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1645948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1646948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 164761086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 164861086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 164961086f39SVlad Buslov return; 165061086f39SVlad Buslov } 165161086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 165261086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 165361086f39SVlad Buslov 165461086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 16555067b602SRoi Dayan } 16565067b602SRoi Dayan 165714e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 165814e6b038SEli Cohen struct mlx5e_tc_flow *flow) 165914e6b038SEli Cohen { 166014e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 166114e6b038SEli Cohen struct mlx5e_decap_entry *d = flow->decap_reformat; 166214e6b038SEli Cohen 166314e6b038SEli Cohen if (!d) 166414e6b038SEli Cohen return; 166514e6b038SEli Cohen 166614e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 166714e6b038SEli Cohen list_del(&flow->l3_to_l2_reformat); 166814e6b038SEli Cohen flow->decap_reformat = NULL; 166914e6b038SEli Cohen 167014e6b038SEli Cohen if (!refcount_dec_and_test(&d->refcnt)) { 167114e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 167214e6b038SEli Cohen return; 167314e6b038SEli Cohen } 167414e6b038SEli Cohen hash_del_rcu(&d->hlist); 167514e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 167614e6b038SEli Cohen 167714e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 167814e6b038SEli Cohen } 167914e6b038SEli Cohen 168004de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 168104de7ddaSRoi Dayan { 168204de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 168304de7ddaSRoi Dayan 1684226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1685226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 168604de7ddaSRoi Dayan return; 168704de7ddaSRoi Dayan 168804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 168904de7ddaSRoi Dayan list_del(&flow->peer); 169004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 169104de7ddaSRoi Dayan 1692226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 169304de7ddaSRoi Dayan 1694eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 169504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1696a23dae79SRoi Dayan kfree(flow->peer_flow); 1697eb252c3aSRoi Dayan } 1698eb252c3aSRoi Dayan 169904de7ddaSRoi Dayan flow->peer_flow = NULL; 170004de7ddaSRoi Dayan } 170104de7ddaSRoi Dayan 170204de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 170304de7ddaSRoi Dayan { 170404de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 170504de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 170604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 170704de7ddaSRoi Dayan 170804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 170904de7ddaSRoi Dayan if (!peer_esw) 171004de7ddaSRoi Dayan return; 171104de7ddaSRoi Dayan 171204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 171304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 171404de7ddaSRoi Dayan } 171504de7ddaSRoi Dayan 1716e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1717961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1718e8f887acSAmir Vadai { 1719226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 172004de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1721d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 172204de7ddaSRoi Dayan } else { 1723d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1724e8f887acSAmir Vadai } 172504de7ddaSRoi Dayan } 1726e8f887acSAmir Vadai 17270a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1728bbd00f7eSHadar Hen Zion { 1729f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17300a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 17310a7fcb78SPaul Blakey const struct flow_action_entry *act; 17320a7fcb78SPaul Blakey int i; 1733bbd00f7eSHadar Hen Zion 17340a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 17350a7fcb78SPaul Blakey switch (act->id) { 17360a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 17370a7fcb78SPaul Blakey return true; 17380a7fcb78SPaul Blakey default: 17390a7fcb78SPaul Blakey continue; 1740fe1587a7SDmytro Linkin } 17412e72eb43SOr Gerlitz } 1742bbd00f7eSHadar Hen Zion 17430a7fcb78SPaul Blakey return false; 17440a7fcb78SPaul Blakey } 1745bcef735cSOr Gerlitz 17460a7fcb78SPaul Blakey static int 17470a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 17480a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 17490a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 17500a7fcb78SPaul Blakey bool *dont_care) 17510a7fcb78SPaul Blakey { 17520a7fcb78SPaul Blakey struct geneve_opt *opt; 17530a7fcb78SPaul Blakey int off = 0; 1754bcef735cSOr Gerlitz 17550a7fcb78SPaul Blakey *dont_care = true; 1756bcef735cSOr Gerlitz 17570a7fcb78SPaul Blakey while (opts->len > off) { 17580a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1759e98bedf5SEli Britstein 17600a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 17610a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 17620a7fcb78SPaul Blakey *dont_care = false; 17630a7fcb78SPaul Blakey 1764c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1765d7a42ad0SRoi Dayan opt->type != U8_MAX) { 17660a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 17670a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 17680a7fcb78SPaul Blakey netdev_warn(priv->netdev, 17690a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1770e98bedf5SEli Britstein return -EOPNOTSUPP; 1771e98bedf5SEli Britstein } 1772bcef735cSOr Gerlitz } 1773bcef735cSOr Gerlitz 17740a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1775bbd00f7eSHadar Hen Zion } 1776bbd00f7eSHadar Hen Zion 1777bbd00f7eSHadar Hen Zion return 0; 1778bbd00f7eSHadar Hen Zion } 1779bbd00f7eSHadar Hen Zion 17800a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 17810a7fcb78SPaul Blakey ({ \ 17820a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 17830a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 17840a7fcb78SPaul Blakey \ 17850a7fcb78SPaul Blakey memcpy(__dst,\ 17860a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 17870a7fcb78SPaul Blakey diss_key,\ 17880a7fcb78SPaul Blakey __rule->match.key),\ 17890a7fcb78SPaul Blakey sizeof(*__dst));\ 17900a7fcb78SPaul Blakey }) 17910a7fcb78SPaul Blakey 17920a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 17930a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 17940a7fcb78SPaul Blakey struct flow_cls_offload *f, 17950a7fcb78SPaul Blakey struct net_device *filter_dev) 17968377629eSEli Britstein { 17970a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17980a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 17990a7fcb78SPaul Blakey struct mlx5_esw_flow_attr *attr = flow->esw_attr; 18000a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 18010a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1802d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 18030a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18040a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18050a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 18060a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 18070a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 18080a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18090a7fcb78SPaul Blakey u32 value, mask; 18100a7fcb78SPaul Blakey int err; 18110a7fcb78SPaul Blakey 18120a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 18130a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18140a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18150a7fcb78SPaul Blakey 18160a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 18170a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 18180a7fcb78SPaul Blakey &tunnel_key.enc_control); 18190a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 18200a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 18210a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 18220a7fcb78SPaul Blakey else 18230a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 18240a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 18250a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 18260a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 18270a7fcb78SPaul Blakey &tunnel_key.enc_tp); 18280a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 18290a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 18300a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 18310a7fcb78SPaul Blakey 18320a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 18330a7fcb78SPaul Blakey if (err) 18340a7fcb78SPaul Blakey return err; 18350a7fcb78SPaul Blakey 18360a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 18370a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 18380a7fcb78SPaul Blakey enc_opts_match.mask, 18390a7fcb78SPaul Blakey extack, 18400a7fcb78SPaul Blakey &enc_opts_is_dont_care); 18410a7fcb78SPaul Blakey if (err) 18420a7fcb78SPaul Blakey goto err_enc_opts; 18430a7fcb78SPaul Blakey 18440a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1845d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1846d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1847d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1848d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1849d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1850d7a42ad0SRoi Dayan 18510a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1852d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 18530a7fcb78SPaul Blakey if (err) 18540a7fcb78SPaul Blakey goto err_enc_opts; 18550a7fcb78SPaul Blakey } 18560a7fcb78SPaul Blakey 18570a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 18580a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 18590a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 18600a7fcb78SPaul Blakey 18610a7fcb78SPaul Blakey if (attr->chain) { 18620a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 18630a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 18640a7fcb78SPaul Blakey } else { 18650a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 18660a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 18670a7fcb78SPaul Blakey mod_hdr_acts, 18680a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 18690a7fcb78SPaul Blakey if (err) 18700a7fcb78SPaul Blakey goto err_set; 18710a7fcb78SPaul Blakey 18720a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 18730a7fcb78SPaul Blakey } 18740a7fcb78SPaul Blakey 18750a7fcb78SPaul Blakey flow->tunnel_id = value; 18760a7fcb78SPaul Blakey return 0; 18770a7fcb78SPaul Blakey 18780a7fcb78SPaul Blakey err_set: 18790a7fcb78SPaul Blakey if (enc_opts_id) 18800a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18810a7fcb78SPaul Blakey enc_opts_id); 18820a7fcb78SPaul Blakey err_enc_opts: 18830a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18840a7fcb78SPaul Blakey return err; 18850a7fcb78SPaul Blakey } 18860a7fcb78SPaul Blakey 18870a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 18880a7fcb78SPaul Blakey { 18890a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 18900a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 18910a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18920a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18930a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18940a7fcb78SPaul Blakey 18950a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 18960a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18970a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18980a7fcb78SPaul Blakey 18990a7fcb78SPaul Blakey if (tun_id) 19000a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19010a7fcb78SPaul Blakey if (enc_opts_id) 19020a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19030a7fcb78SPaul Blakey enc_opts_id); 19040a7fcb78SPaul Blakey } 19050a7fcb78SPaul Blakey 19064c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 19074c3844d9SPaul Blakey { 19084c3844d9SPaul Blakey return flow->tunnel_id; 19094c3844d9SPaul Blakey } 19104c3844d9SPaul Blakey 1911fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1912fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1913fca53304SEli Britstein void *headers_c, void *headers_v) 19144a5d5d73SEli Britstein { 1915fca53304SEli Britstein bool ip_version_cap; 1916fca53304SEli Britstein 1917fca53304SEli Britstein ip_version_cap = outer ? 1918fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1919fca53304SEli Britstein ft_field_support.outer_ip_version) : 1920fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1921fca53304SEli Britstein ft_field_support.inner_ip_version); 1922fca53304SEli Britstein 1923fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1924fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1925fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1926fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1927fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1928fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1929fca53304SEli Britstein } else { 19304a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 19314a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 19324a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 19334a5d5d73SEli Britstein ntohs(match->key->n_proto)); 19344a5d5d73SEli Britstein } 1935fca53304SEli Britstein } 19364a5d5d73SEli Britstein 19370a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 19380a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19390a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 19400a7fcb78SPaul Blakey struct flow_cls_offload *f, 19410a7fcb78SPaul Blakey struct net_device *filter_dev, 19420a7fcb78SPaul Blakey u8 *match_level, 19430a7fcb78SPaul Blakey bool *match_inner) 19440a7fcb78SPaul Blakey { 19450a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 19460a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19470a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 19480a7fcb78SPaul Blakey int err; 19490a7fcb78SPaul Blakey 19500a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 19510a7fcb78SPaul Blakey return -EOPNOTSUPP; 19520a7fcb78SPaul Blakey 19530a7fcb78SPaul Blakey needs_mapping = !!flow->esw_attr->chain; 19540a7fcb78SPaul Blakey sets_mapping = !flow->esw_attr->chain && flow_has_tc_fwd_action(f); 19550a7fcb78SPaul Blakey *match_inner = !needs_mapping; 19560a7fcb78SPaul Blakey 19570a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1958636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 19590a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 1960636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19610a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1962636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19630a7fcb78SPaul Blakey return -EOPNOTSUPP; 19640a7fcb78SPaul Blakey } 19650a7fcb78SPaul Blakey 19660a7fcb78SPaul Blakey if (!flow->esw_attr->chain) { 19670a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 19680a7fcb78SPaul Blakey match_level); 19690a7fcb78SPaul Blakey if (err) { 19700a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 19710a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19720a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19730a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19740a7fcb78SPaul Blakey return err; 19750a7fcb78SPaul Blakey } 19760a7fcb78SPaul Blakey 197714e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 197814e6b038SEli Cohen * object 197914e6b038SEli Cohen */ 198014e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 19810a7fcb78SPaul Blakey flow->esw_attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 19820a7fcb78SPaul Blakey } 19830a7fcb78SPaul Blakey 19840a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 19850a7fcb78SPaul Blakey return 0; 19860a7fcb78SPaul Blakey 19870a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 19880a7fcb78SPaul Blakey } 19890a7fcb78SPaul Blakey 19900a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 19910a7fcb78SPaul Blakey { 19920a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 19930a7fcb78SPaul Blakey inner_headers); 19940a7fcb78SPaul Blakey } 19950a7fcb78SPaul Blakey 19960a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 19970a7fcb78SPaul Blakey { 19980a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 19990a7fcb78SPaul Blakey inner_headers); 20000a7fcb78SPaul Blakey } 20010a7fcb78SPaul Blakey 20020a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 20030a7fcb78SPaul Blakey { 20040a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20050a7fcb78SPaul Blakey outer_headers); 20060a7fcb78SPaul Blakey } 20070a7fcb78SPaul Blakey 20080a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 20090a7fcb78SPaul Blakey { 20100a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20118377629eSEli Britstein outer_headers); 20128377629eSEli Britstein } 20138377629eSEli Britstein 20148377629eSEli Britstein static void *get_match_headers_value(u32 flags, 20158377629eSEli Britstein struct mlx5_flow_spec *spec) 20168377629eSEli Britstein { 20178377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20180a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 20190a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 20200a7fcb78SPaul Blakey } 20210a7fcb78SPaul Blakey 20220a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 20230a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 20240a7fcb78SPaul Blakey { 20250a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20260a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 20270a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 20288377629eSEli Britstein } 20298377629eSEli Britstein 20306d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 20316d65bc64Swenxu struct flow_cls_offload *f) 20326d65bc64Swenxu { 20336d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20346d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 20356d65bc64Swenxu struct net_device *ingress_dev; 20366d65bc64Swenxu struct flow_match_meta match; 20376d65bc64Swenxu 20386d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 20396d65bc64Swenxu return 0; 20406d65bc64Swenxu 20416d65bc64Swenxu flow_rule_match_meta(rule, &match); 20426d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 20436d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2044a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20456d65bc64Swenxu } 20466d65bc64Swenxu 20476d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 20486d65bc64Swenxu match.key->ingress_ifindex); 20496d65bc64Swenxu if (!ingress_dev) { 20506d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20516d65bc64Swenxu "Can't find the ingress port to match on"); 2052a683012aSPablo Neira Ayuso return -ENOENT; 20536d65bc64Swenxu } 20546d65bc64Swenxu 20556d65bc64Swenxu if (ingress_dev != filter_dev) { 20566d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20576d65bc64Swenxu "Can't match on the ingress filter port"); 2058a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20596d65bc64Swenxu } 20606d65bc64Swenxu 20616d65bc64Swenxu return 0; 20626d65bc64Swenxu } 20636d65bc64Swenxu 206472046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 206572046a91SEli Cohen struct flow_cls_offload *f) 206672046a91SEli Cohen { 206772046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 206872046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 206972046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 207072046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 207172046a91SEli Cohen */ 207272046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 207372046a91SEli Cohen return true; 207472046a91SEli Cohen 207572046a91SEli Cohen return false; 207672046a91SEli Cohen } 207772046a91SEli Cohen 2078de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 20790a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2080de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2081f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 208254c177caSOz Shlomo struct net_device *filter_dev, 208393b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2084e3a2b7edSAmir Vadai { 2085e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2086c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2087c5bb1730SMaor Gottlieb outer_headers); 2088c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2089c5bb1730SMaor Gottlieb outer_headers); 2090699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2091699e96ddSJianbo Liu misc_parameters); 2092699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2093699e96ddSJianbo Liu misc_parameters); 2094f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20958f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2096e3a2b7edSAmir Vadai u16 addr_type = 0; 2097e3a2b7edSAmir Vadai u8 ip_proto = 0; 209893b3586eSHuy Nguyen u8 *match_level; 20996d65bc64Swenxu int err; 2100e3a2b7edSAmir Vadai 210193b3586eSHuy Nguyen match_level = outer_match_level; 2102de0af0bfSRoi Dayan 21038f256622SPablo Neira Ayuso if (dissector->used_keys & 21043d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 21053d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2106e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2107e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2108095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2109699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2110e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2111e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2112bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2113bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2114bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2115bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2116bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2117e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2118fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2119bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 21204c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 21219272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 212272046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 212372046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2124e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 2125e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 21268f256622SPablo Neira Ayuso dissector->used_keys); 2127e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2128e3a2b7edSAmir Vadai } 2129e3a2b7edSAmir Vadai 2130075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 21310a7fcb78SPaul Blakey bool match_inner = false; 2132bbd00f7eSHadar Hen Zion 21330a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 21340a7fcb78SPaul Blakey outer_match_level, &match_inner); 21350a7fcb78SPaul Blakey if (err) 21360a7fcb78SPaul Blakey return err; 21370a7fcb78SPaul Blakey 21380a7fcb78SPaul Blakey if (match_inner) { 21390a7fcb78SPaul Blakey /* header pointers should point to the inner headers 21400a7fcb78SPaul Blakey * if the packet was decapsulated already. 21410a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2142bbd00f7eSHadar Hen Zion */ 214393b3586eSHuy Nguyen match_level = inner_match_level; 21440a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 21450a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 21460a7fcb78SPaul Blakey } 2147bbd00f7eSHadar Hen Zion } 2148bbd00f7eSHadar Hen Zion 21496d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 21506d65bc64Swenxu if (err) 21516d65bc64Swenxu return err; 21526d65bc64Swenxu 215372046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 215472046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 21558f256622SPablo Neira Ayuso struct flow_match_basic match; 2156e3a2b7edSAmir Vadai 21578f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2158fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2159fca53304SEli Britstein match_level == outer_match_level, 2160fca53304SEli Britstein headers_c, headers_v); 21618f256622SPablo Neira Ayuso 21628f256622SPablo Neira Ayuso if (match.mask->n_proto) 2163d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2164e3a2b7edSAmir Vadai } 216535a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 216635a605dbSEli Britstein is_vlan_dev(filter_dev)) { 216735a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 216835a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 21698f256622SPablo Neira Ayuso struct flow_match_vlan match; 21708f256622SPablo Neira Ayuso 217135a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 217235a605dbSEli Britstein match.key = &filter_dev_key; 217335a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 217435a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 217535a605dbSEli Britstein match.key->vlan_priority = 0; 217635a605dbSEli Britstein match.mask = &filter_dev_mask; 217735a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 217835a605dbSEli Britstein match.mask->vlan_priority = 0; 217935a605dbSEli Britstein } else { 21808f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 218135a605dbSEli Britstein } 21828f256622SPablo Neira Ayuso if (match.mask->vlan_id || 21838f256622SPablo Neira Ayuso match.mask->vlan_priority || 21848f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 21858f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2186699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2187699e96ddSJianbo Liu svlan_tag, 1); 2188699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2189699e96ddSJianbo Liu svlan_tag, 1); 2190699e96ddSJianbo Liu } else { 2191699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2192699e96ddSJianbo Liu cvlan_tag, 1); 2193699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2194699e96ddSJianbo Liu cvlan_tag, 1); 2195699e96ddSJianbo Liu } 2196095b6cfdSOr Gerlitz 21978f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 21988f256622SPablo Neira Ayuso match.mask->vlan_id); 21998f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 22008f256622SPablo Neira Ayuso match.key->vlan_id); 2201358d79a4SOr Gerlitz 22028f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 22038f256622SPablo Neira Ayuso match.mask->vlan_priority); 22048f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 22058f256622SPablo Neira Ayuso match.key->vlan_priority); 220654782900SOr Gerlitz 2207d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2208095b6cfdSOr Gerlitz } 2209d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2210fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2211fc603294SMark Bloch * disabled in match value means both S & C tags 2212fc603294SMark Bloch * don't exist (untagged of both) 2213fc603294SMark Bloch */ 2214cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2215d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2216095b6cfdSOr Gerlitz } 2217095b6cfdSOr Gerlitz 22188f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 22198f256622SPablo Neira Ayuso struct flow_match_vlan match; 22208f256622SPablo Neira Ayuso 222112d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 22228f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22238f256622SPablo Neira Ayuso match.mask->vlan_priority || 22248f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 22258f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2226699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2227699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2228699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2229699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2230699e96ddSJianbo Liu } else { 2231699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2232699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2233699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2234699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2235699e96ddSJianbo Liu } 2236699e96ddSJianbo Liu 2237699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 22388f256622SPablo Neira Ayuso match.mask->vlan_id); 2239699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 22408f256622SPablo Neira Ayuso match.key->vlan_id); 2241699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 22428f256622SPablo Neira Ayuso match.mask->vlan_priority); 2243699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 22448f256622SPablo Neira Ayuso match.key->vlan_priority); 2245699e96ddSJianbo Liu 2246699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 22470faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2248699e96ddSJianbo Liu } 2249699e96ddSJianbo Liu } 2250699e96ddSJianbo Liu 22518f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 22528f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 225354782900SOr Gerlitz 22548f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2255d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2256d3a80bb5SOr Gerlitz dmac_47_16), 22578f256622SPablo Neira Ayuso match.mask->dst); 2258d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2259d3a80bb5SOr Gerlitz dmac_47_16), 22608f256622SPablo Neira Ayuso match.key->dst); 2261d3a80bb5SOr Gerlitz 2262d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2263d3a80bb5SOr Gerlitz smac_47_16), 22648f256622SPablo Neira Ayuso match.mask->src); 2265d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2266d3a80bb5SOr Gerlitz smac_47_16), 22678f256622SPablo Neira Ayuso match.key->src); 2268d3a80bb5SOr Gerlitz 22698f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 22708f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2271d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 227254782900SOr Gerlitz } 227354782900SOr Gerlitz 22748f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 22758f256622SPablo Neira Ayuso struct flow_match_control match; 227654782900SOr Gerlitz 22778f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 22788f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 227954782900SOr Gerlitz 228054782900SOr Gerlitz /* the HW doesn't support frag first/later */ 22818f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 228254782900SOr Gerlitz return -EOPNOTSUPP; 228354782900SOr Gerlitz 22848f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 228554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 228654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 22878f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 228854782900SOr Gerlitz 228954782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 22908f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 229183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 229254782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 229354782900SOr Gerlitz else 229483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 229554782900SOr Gerlitz } 229654782900SOr Gerlitz } 229754782900SOr Gerlitz 22988f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 22998f256622SPablo Neira Ayuso struct flow_match_basic match; 23008f256622SPablo Neira Ayuso 23018f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 23028f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 230354782900SOr Gerlitz 230454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 23058f256622SPablo Neira Ayuso match.mask->ip_proto); 230654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 23078f256622SPablo Neira Ayuso match.key->ip_proto); 230854782900SOr Gerlitz 23098f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2310d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 231154782900SOr Gerlitz } 231254782900SOr Gerlitz 2313e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 23148f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2315e3a2b7edSAmir Vadai 23168f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2317e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2318e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23198f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2320e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2321e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23228f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2323e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2324e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23258f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2326e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2327e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23288f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2329de0af0bfSRoi Dayan 23308f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2331d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2332e3a2b7edSAmir Vadai } 2333e3a2b7edSAmir Vadai 2334e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 23358f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2336e3a2b7edSAmir Vadai 23378f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2338e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2339e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23408f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2341e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2342e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23438f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2344e3a2b7edSAmir Vadai 2345e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2346e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23478f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2348e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2349e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23508f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2351de0af0bfSRoi Dayan 23528f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 23538f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2354d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2355e3a2b7edSAmir Vadai } 2356e3a2b7edSAmir Vadai 23578f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 23588f256622SPablo Neira Ayuso struct flow_match_ip match; 23591f97a526SOr Gerlitz 23608f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 23618f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 23628f256622SPablo Neira Ayuso match.mask->tos & 0x3); 23638f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 23648f256622SPablo Neira Ayuso match.key->tos & 0x3); 23651f97a526SOr Gerlitz 23668f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 23678f256622SPablo Neira Ayuso match.mask->tos >> 2); 23688f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 23698f256622SPablo Neira Ayuso match.key->tos >> 2); 23701f97a526SOr Gerlitz 23718f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 23728f256622SPablo Neira Ayuso match.mask->ttl); 23738f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 23748f256622SPablo Neira Ayuso match.key->ttl); 23751f97a526SOr Gerlitz 23768f256622SPablo Neira Ayuso if (match.mask->ttl && 2377a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2378e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2379e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2380e98bedf5SEli Britstein "Matching on TTL is not supported"); 23811f97a526SOr Gerlitz return -EOPNOTSUPP; 2382e98bedf5SEli Britstein } 2383a8ade55fSOr Gerlitz 23848f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2385d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 23861f97a526SOr Gerlitz } 23871f97a526SOr Gerlitz 238854782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 238954782900SOr Gerlitz 23908f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 23918f256622SPablo Neira Ayuso struct flow_match_ports match; 23928f256622SPablo Neira Ayuso 23938f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2394e3a2b7edSAmir Vadai switch (ip_proto) { 2395e3a2b7edSAmir Vadai case IPPROTO_TCP: 2396e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23978f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2398e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 23998f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2400e3a2b7edSAmir Vadai 2401e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24028f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2403e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24048f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2405e3a2b7edSAmir Vadai break; 2406e3a2b7edSAmir Vadai 2407e3a2b7edSAmir Vadai case IPPROTO_UDP: 2408e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24098f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2410e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24118f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2412e3a2b7edSAmir Vadai 2413e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24148f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2415e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24168f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2417e3a2b7edSAmir Vadai break; 2418e3a2b7edSAmir Vadai default: 2419e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2420e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2421e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2422e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2423e3a2b7edSAmir Vadai return -EINVAL; 2424e3a2b7edSAmir Vadai } 2425de0af0bfSRoi Dayan 24268f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2427d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2428e3a2b7edSAmir Vadai } 2429e3a2b7edSAmir Vadai 24308f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 24318f256622SPablo Neira Ayuso struct flow_match_tcp match; 2432e77834ecSOr Gerlitz 24338f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2434e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 24358f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2436e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 24378f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2438e77834ecSOr Gerlitz 24398f256622SPablo Neira Ayuso if (match.mask->flags) 2440d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2441e77834ecSOr Gerlitz } 2442e77834ecSOr Gerlitz 2443e3a2b7edSAmir Vadai return 0; 2444e3a2b7edSAmir Vadai } 2445e3a2b7edSAmir Vadai 2446de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 244765ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2448de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2449f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 245054c177caSOz Shlomo struct net_device *filter_dev) 2451de0af0bfSRoi Dayan { 245293b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2453e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2454de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2455de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 24561d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 24571d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2458226f2ca3SVlad Buslov bool is_eswitch_flow; 2459de0af0bfSRoi Dayan int err; 2460de0af0bfSRoi Dayan 246193b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 246293b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 246393b3586eSHuy Nguyen 24640a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 24650a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 246693b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 246793b3586eSHuy Nguyen outer_match_level : inner_match_level; 2468de0af0bfSRoi Dayan 2469226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2470226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 24711d447a39SSaeed Mahameed rep = rpriv->rep; 2472b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 24731d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 247493b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2475e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2476e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2477de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2478de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 247993b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2480de0af0bfSRoi Dayan return -EOPNOTSUPP; 2481de0af0bfSRoi Dayan } 2482de0af0bfSRoi Dayan } 2483de0af0bfSRoi Dayan 2484226f2ca3SVlad Buslov if (is_eswitch_flow) { 248593b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 248693b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 24876363651dSOr Gerlitz } else { 248893b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 24896363651dSOr Gerlitz } 249038aa51c1SOr Gerlitz 2491de0af0bfSRoi Dayan return err; 2492de0af0bfSRoi Dayan } 2493de0af0bfSRoi Dayan 2494d79b6df6SOr Gerlitz struct pedit_headers { 2495d79b6df6SOr Gerlitz struct ethhdr eth; 24960eb69bb9SEli Britstein struct vlan_hdr vlan; 2497d79b6df6SOr Gerlitz struct iphdr ip4; 2498d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2499d79b6df6SOr Gerlitz struct tcphdr tcp; 2500d79b6df6SOr Gerlitz struct udphdr udp; 2501d79b6df6SOr Gerlitz }; 2502d79b6df6SOr Gerlitz 2503c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2504c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2505c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2506c500c86bSPablo Neira Ayuso u32 pedits; 2507c500c86bSPablo Neira Ayuso }; 2508c500c86bSPablo Neira Ayuso 2509d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 251073867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 251173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 251273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 251373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 251473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2515d79b6df6SOr Gerlitz }; 2516d79b6df6SOr Gerlitz 2517d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2518d79b6df6SOr Gerlitz 2519d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2520c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2521d79b6df6SOr Gerlitz { 2522d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2523d79b6df6SOr Gerlitz 2524c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2525c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2526d79b6df6SOr Gerlitz 2527d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2528d79b6df6SOr Gerlitz goto out_err; 2529d79b6df6SOr Gerlitz 2530d79b6df6SOr Gerlitz *curr_pmask |= mask; 2531d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2532d79b6df6SOr Gerlitz 2533d79b6df6SOr Gerlitz return 0; 2534d79b6df6SOr Gerlitz 2535d79b6df6SOr Gerlitz out_err: 2536d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2537d79b6df6SOr Gerlitz } 2538d79b6df6SOr Gerlitz 2539d79b6df6SOr Gerlitz struct mlx5_fields { 2540d79b6df6SOr Gerlitz u8 field; 254188f30bbcSDmytro Linkin u8 field_bsize; 254288f30bbcSDmytro Linkin u32 field_mask; 2543d79b6df6SOr Gerlitz u32 offset; 254427c11b6bSEli Britstein u32 match_offset; 2545d79b6df6SOr Gerlitz }; 2546d79b6df6SOr Gerlitz 254788f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 254888f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 254927c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 255027c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 255127c11b6bSEli Britstein 25522ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 25532ef86872SEli Britstein * match. 25542ef86872SEli Britstein */ 25552ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 25562ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 25572ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 25582ef86872SEli Britstein type maskx = *(type *)(maskp); \ 25592ef86872SEli Britstein type valx = *(type *)(valp); \ 25602ef86872SEli Britstein \ 25612ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 25622ef86872SEli Britstein matchmaskx)); \ 25632ef86872SEli Britstein }) 25642ef86872SEli Britstein 256527c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 256688f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 256727c11b6bSEli Britstein { 256827c11b6bSEli Britstein bool same = false; 256927c11b6bSEli Britstein 257088f30bbcSDmytro Linkin switch (bsize) { 257188f30bbcSDmytro Linkin case 8: 25722ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 257327c11b6bSEli Britstein break; 257488f30bbcSDmytro Linkin case 16: 25752ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 257627c11b6bSEli Britstein break; 257788f30bbcSDmytro Linkin case 32: 25782ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 257927c11b6bSEli Britstein break; 258027c11b6bSEli Britstein } 258127c11b6bSEli Britstein 258227c11b6bSEli Britstein return same; 258327c11b6bSEli Britstein } 2584a8e4f0c4SOr Gerlitz 2585d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 258688f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 258788f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 258888f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 258988f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 259088f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 259188f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2592d79b6df6SOr Gerlitz 2593ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 259488f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 259588f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 259688f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2597d79b6df6SOr Gerlitz 259888f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 259927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 260088f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 260127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 260288f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 260327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 260488f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 260527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 260688f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 260727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 260888f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 260927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 261088f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 261127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 261288f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 261327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 261488f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2615d79b6df6SOr Gerlitz 261688f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 261788f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 261888f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 261988f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2620d79b6df6SOr Gerlitz 262188f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 262288f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2623d79b6df6SOr Gerlitz }; 2624d79b6df6SOr Gerlitz 26256ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 26266ae4a6a5SPaul Blakey int namespace, 26276ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2628e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 262927c11b6bSEli Britstein u32 *action_flags, 2630e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2631d79b6df6SOr Gerlitz { 2632d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 26336ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 263488f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 263588f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 26366ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2637d79b6df6SOr Gerlitz struct mlx5_fields *f; 2638d79b6df6SOr Gerlitz unsigned long mask; 26392b64bebaSOr Gerlitz __be32 mask_be32; 26402b64bebaSOr Gerlitz __be16 mask_be16; 26416ae4a6a5SPaul Blakey int err; 264288f30bbcSDmytro Linkin u8 cmd; 264388f30bbcSDmytro Linkin 26446ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 264588f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 264688f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2647d79b6df6SOr Gerlitz 264873867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 264973867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 265073867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 265173867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2652d79b6df6SOr Gerlitz 2653d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2654d79b6df6SOr Gerlitz 2655d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 265627c11b6bSEli Britstein bool skip; 265727c11b6bSEli Britstein 2658d79b6df6SOr Gerlitz f = &fields[i]; 2659d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2660e3ca4e05SOr Gerlitz s_mask = 0; 2661e3ca4e05SOr Gerlitz a_mask = 0; 2662d79b6df6SOr Gerlitz 2663d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2664d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2665d79b6df6SOr Gerlitz 266688f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 266788f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2668d79b6df6SOr Gerlitz 2669d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2670d79b6df6SOr Gerlitz continue; 2671d79b6df6SOr Gerlitz 2672d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2673e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2674e98bedf5SEli Britstein "can't set and add to the same HW field"); 2675d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2676d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2677d79b6df6SOr Gerlitz } 2678d79b6df6SOr Gerlitz 267927c11b6bSEli Britstein skip = false; 2680d79b6df6SOr Gerlitz if (s_mask) { 268127c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 268227c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 268327c11b6bSEli Britstein 2684d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2685d79b6df6SOr Gerlitz mask = s_mask; 2686d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 268727c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 268827c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 268988f30bbcSDmytro Linkin match_mask, f->field_bsize)) 269027c11b6bSEli Britstein skip = true; 2691d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 269288f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2693d79b6df6SOr Gerlitz } else { 2694d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2695d79b6df6SOr Gerlitz mask = a_mask; 2696d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 269727c11b6bSEli Britstein /* add 0 is no change */ 269888f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 269927c11b6bSEli Britstein skip = true; 2700d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 270188f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2702d79b6df6SOr Gerlitz } 270327c11b6bSEli Britstein if (skip) 270427c11b6bSEli Britstein continue; 2705d79b6df6SOr Gerlitz 270688f30bbcSDmytro Linkin if (f->field_bsize == 32) { 270758ff18e1SSaeed Mahameed mask_be32 = (__force __be32)(mask); 27082b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 270988f30bbcSDmytro Linkin } else if (f->field_bsize == 16) { 271058ff18e1SSaeed Mahameed mask_be32 = (__force __be32)(mask); 2711404402abSSebastian Hense mask_be16 = *(__be16 *)&mask_be32; 27122b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 27132b64bebaSOr Gerlitz } 27142b64bebaSOr Gerlitz 271588f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 271688f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 271788f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 27182b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2719e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2720e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 27212b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2722d79b6df6SOr Gerlitz mask); 2723d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2724d79b6df6SOr Gerlitz } 2725d79b6df6SOr Gerlitz 27266ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 27276ae4a6a5SPaul Blakey if (err) { 27286ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 27296ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 27306ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 27316ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 27326ae4a6a5SPaul Blakey mod_acts->num_actions); 27336ae4a6a5SPaul Blakey return err; 27346ae4a6a5SPaul Blakey } 27356ae4a6a5SPaul Blakey 27366ae4a6a5SPaul Blakey action = mod_acts->actions + 27376ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2738d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2739d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2740d79b6df6SOr Gerlitz 2741d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 274288f30bbcSDmytro Linkin int start; 274388f30bbcSDmytro Linkin 274488f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 274588f30bbcSDmytro Linkin start = find_first_bit((unsigned long *)&f->field_mask, 274688f30bbcSDmytro Linkin f->field_bsize); 274788f30bbcSDmytro Linkin 274888f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2749d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 27502b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2751d79b6df6SOr Gerlitz } 2752d79b6df6SOr Gerlitz 275388f30bbcSDmytro Linkin if (f->field_bsize == 32) 27542b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 275588f30bbcSDmytro Linkin else if (f->field_bsize == 16) 27562b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 275788f30bbcSDmytro Linkin else if (f->field_bsize == 8) 27582b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2759d79b6df6SOr Gerlitz 27606ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2761d79b6df6SOr Gerlitz } 2762d79b6df6SOr Gerlitz 2763d79b6df6SOr Gerlitz return 0; 2764d79b6df6SOr Gerlitz } 2765d79b6df6SOr Gerlitz 27662cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 27672cc1cb1dSTonghao Zhang int namespace) 27682cc1cb1dSTonghao Zhang { 27692cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 27702cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 27712cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 27722cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 27732cc1cb1dSTonghao Zhang } 27742cc1cb1dSTonghao Zhang 27756ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2776c500c86bSPablo Neira Ayuso int namespace, 27776ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2778d79b6df6SOr Gerlitz { 27796ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 27806ae4a6a5SPaul Blakey size_t new_sz, old_sz; 27816ae4a6a5SPaul Blakey void *ret; 2782d79b6df6SOr Gerlitz 27836ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 27846ae4a6a5SPaul Blakey return 0; 27856ae4a6a5SPaul Blakey 2786d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2787d79b6df6SOr Gerlitz 27886ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 27896ae4a6a5SPaul Blakey namespace); 27906ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 27916ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 27926ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 27936ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 27946ae4a6a5SPaul Blakey return -ENOSPC; 2795d79b6df6SOr Gerlitz 27966ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 27976ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 27986ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 27996ae4a6a5SPaul Blakey if (!ret) 2800d79b6df6SOr Gerlitz return -ENOMEM; 2801d79b6df6SOr Gerlitz 28026ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 28036ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 28046ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 28056ae4a6a5SPaul Blakey 2806d79b6df6SOr Gerlitz return 0; 2807d79b6df6SOr Gerlitz } 2808d79b6df6SOr Gerlitz 28096ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 28106ae4a6a5SPaul Blakey { 28116ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 28126ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 28136ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 28146ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 28156ae4a6a5SPaul Blakey } 28166ae4a6a5SPaul Blakey 2817d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2818d79b6df6SOr Gerlitz 2819582234b4SEli Cohen static int 2820582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 282173867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2822582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2823c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2824e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2825d79b6df6SOr Gerlitz { 282673867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 282773867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2828d79b6df6SOr Gerlitz u32 mask, val, offset; 282973867881SPablo Neira Ayuso u8 htype; 2830d79b6df6SOr Gerlitz 283173867881SPablo Neira Ayuso htype = act->mangle.htype; 2832d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2833d79b6df6SOr Gerlitz 283473867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 283573867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2836d79b6df6SOr Gerlitz goto out_err; 2837d79b6df6SOr Gerlitz } 2838d79b6df6SOr Gerlitz 28392cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 28402cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 28412cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 28422cc1cb1dSTonghao Zhang goto out_err; 28432cc1cb1dSTonghao Zhang } 28442cc1cb1dSTonghao Zhang 284573867881SPablo Neira Ayuso mask = act->mangle.mask; 284673867881SPablo Neira Ayuso val = act->mangle.val; 284773867881SPablo Neira Ayuso offset = act->mangle.offset; 2848d79b6df6SOr Gerlitz 2849c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2850d79b6df6SOr Gerlitz if (err) 2851d79b6df6SOr Gerlitz goto out_err; 2852c500c86bSPablo Neira Ayuso 2853c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2854d79b6df6SOr Gerlitz 2855c500c86bSPablo Neira Ayuso return 0; 2856c500c86bSPablo Neira Ayuso out_err: 2857c500c86bSPablo Neira Ayuso return err; 2858c500c86bSPablo Neira Ayuso } 2859c500c86bSPablo Neira Ayuso 2860582234b4SEli Cohen static int 2861582234b4SEli Cohen parse_pedit_to_reformat(struct mlx5e_priv *priv, 2862582234b4SEli Cohen const struct flow_action_entry *act, 2863582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2864582234b4SEli Cohen struct netlink_ext_ack *extack) 2865582234b4SEli Cohen { 2866582234b4SEli Cohen u32 mask, val, offset; 2867582234b4SEli Cohen u32 *p; 2868582234b4SEli Cohen 2869582234b4SEli Cohen if (act->id != FLOW_ACTION_MANGLE) 2870582234b4SEli Cohen return -EOPNOTSUPP; 2871582234b4SEli Cohen 2872582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 2873582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 2874582234b4SEli Cohen return -EOPNOTSUPP; 2875582234b4SEli Cohen } 2876582234b4SEli Cohen 2877582234b4SEli Cohen mask = ~act->mangle.mask; 2878582234b4SEli Cohen val = act->mangle.val; 2879582234b4SEli Cohen offset = act->mangle.offset; 2880582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 2881582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 2882582234b4SEli Cohen 2883582234b4SEli Cohen return 0; 2884582234b4SEli Cohen } 2885582234b4SEli Cohen 2886582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2887582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 2888582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2889582234b4SEli Cohen struct pedit_headers_action *hdrs, 2890582234b4SEli Cohen struct mlx5e_tc_flow *flow, 2891582234b4SEli Cohen struct netlink_ext_ack *extack) 2892582234b4SEli Cohen { 2893582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 2894582234b4SEli Cohen return parse_pedit_to_reformat(priv, act, parse_attr, extack); 2895582234b4SEli Cohen 2896582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 2897582234b4SEli Cohen parse_attr, hdrs, extack); 2898582234b4SEli Cohen } 2899582234b4SEli Cohen 2900c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2901c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2902c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 290327c11b6bSEli Britstein u32 *action_flags, 2904c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2905c500c86bSPablo Neira Ayuso { 2906c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2907c500c86bSPablo Neira Ayuso int err; 2908c500c86bSPablo Neira Ayuso u8 cmd; 2909c500c86bSPablo Neira Ayuso 29106ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 29116ae4a6a5SPaul Blakey action_flags, extack); 2912d79b6df6SOr Gerlitz if (err < 0) 2913d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2914d79b6df6SOr Gerlitz 2915d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2916c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2917d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2918e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2919e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2920b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2921d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2922d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2923d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2924d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2925d79b6df6SOr Gerlitz } 2926d79b6df6SOr Gerlitz } 2927d79b6df6SOr Gerlitz 2928d79b6df6SOr Gerlitz return 0; 2929d79b6df6SOr Gerlitz 2930d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 29316ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2932d79b6df6SOr Gerlitz return err; 2933d79b6df6SOr Gerlitz } 2934d79b6df6SOr Gerlitz 2935e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2936e98bedf5SEli Britstein u32 action, 2937e98bedf5SEli Britstein u32 update_flags, 2938e98bedf5SEli Britstein struct netlink_ext_ack *extack) 293926c02749SOr Gerlitz { 294026c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 294126c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 294226c02749SOr Gerlitz 294326c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 294426c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2945e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2946e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 294726c02749SOr Gerlitz netdev_warn(priv->netdev, 294826c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 294926c02749SOr Gerlitz return false; 295026c02749SOr Gerlitz } 295126c02749SOr Gerlitz 295226c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2953e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2954e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 295526c02749SOr Gerlitz netdev_warn(priv->netdev, 295626c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 295726c02749SOr Gerlitz update_flags); 295826c02749SOr Gerlitz return false; 295926c02749SOr Gerlitz } 296026c02749SOr Gerlitz 296126c02749SOr Gerlitz return true; 296226c02749SOr Gerlitz } 296326c02749SOr Gerlitz 29648998576bSDmytro Linkin struct ip_ttl_word { 29658998576bSDmytro Linkin __u8 ttl; 29668998576bSDmytro Linkin __u8 protocol; 29678998576bSDmytro Linkin __sum16 check; 29688998576bSDmytro Linkin }; 29698998576bSDmytro Linkin 29708998576bSDmytro Linkin struct ipv6_hoplimit_word { 29718998576bSDmytro Linkin __be16 payload_len; 29728998576bSDmytro Linkin __u8 nexthdr; 29738998576bSDmytro Linkin __u8 hop_limit; 29748998576bSDmytro Linkin }; 29758998576bSDmytro Linkin 29764c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 29774c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 29787e36feebSPaul Blakey bool *modify_tuple, 29794c3844d9SPaul Blakey struct netlink_ext_ack *extack) 29808998576bSDmytro Linkin { 29818998576bSDmytro Linkin u32 mask, offset; 29828998576bSDmytro Linkin u8 htype; 29838998576bSDmytro Linkin 29848998576bSDmytro Linkin htype = act->mangle.htype; 29858998576bSDmytro Linkin offset = act->mangle.offset; 29868998576bSDmytro Linkin mask = ~act->mangle.mask; 29878998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 29888998576bSDmytro Linkin * to determine that modified fields 29898998576bSDmytro Linkin * are NOT ttl & hop_limit only. 29908998576bSDmytro Linkin */ 29918998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 29928998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 29938998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 29948998576bSDmytro Linkin 29958998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 29968998576bSDmytro Linkin ttl_word->protocol || 29978998576bSDmytro Linkin ttl_word->check) { 29984c3844d9SPaul Blakey *modify_ip_header = true; 29994c3844d9SPaul Blakey } 30004c3844d9SPaul Blakey 30017e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 30027e36feebSPaul Blakey *modify_tuple = true; 30037e36feebSPaul Blakey 30047e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30054c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30064c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 30074c3844d9SPaul Blakey return -EOPNOTSUPP; 30088998576bSDmytro Linkin } 30098998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 30108998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 30118998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 30128998576bSDmytro Linkin 30138998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 30148998576bSDmytro Linkin hoplimit_word->payload_len || 30158998576bSDmytro Linkin hoplimit_word->nexthdr) { 30164c3844d9SPaul Blakey *modify_ip_header = true; 30178998576bSDmytro Linkin } 30184c3844d9SPaul Blakey 30197e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 30207e36feebSPaul Blakey *modify_tuple = true; 30217e36feebSPaul Blakey 30227e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30234c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30244c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 30254c3844d9SPaul Blakey return -EOPNOTSUPP; 30268998576bSDmytro Linkin } 30277e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 30287e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 30297e36feebSPaul Blakey *modify_tuple = true; 30307e36feebSPaul Blakey if (ct_flow) { 30314c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30324c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 30334c3844d9SPaul Blakey return -EOPNOTSUPP; 30344c3844d9SPaul Blakey } 30357e36feebSPaul Blakey } 30364c3844d9SPaul Blakey 30374c3844d9SPaul Blakey return 0; 30388998576bSDmytro Linkin } 30398998576bSDmytro Linkin 30403d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 30413d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 304273867881SPablo Neira Ayuso struct flow_action *flow_action, 30434c3844d9SPaul Blakey u32 actions, bool ct_flow, 30447e36feebSPaul Blakey bool ct_clear, 3045e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3046bdd66ac0SOr Gerlitz { 304773867881SPablo Neira Ayuso const struct flow_action_entry *act; 30487e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3049fca53304SEli Britstein void *headers_c; 3050bdd66ac0SOr Gerlitz void *headers_v; 3051bdd66ac0SOr Gerlitz u16 ethertype; 30528998576bSDmytro Linkin u8 ip_proto; 30534c3844d9SPaul Blakey int i, err; 3054bdd66ac0SOr Gerlitz 3055fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 30568377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3057bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3058bdd66ac0SOr Gerlitz 3059bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3060fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3061fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3062bdd66ac0SOr Gerlitz goto out_ok; 3063bdd66ac0SOr Gerlitz 3064bdd66ac0SOr Gerlitz modify_ip_header = false; 30657e36feebSPaul Blakey modify_tuple = false; 306673867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 306773867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 306873867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3069bdd66ac0SOr Gerlitz continue; 3070bdd66ac0SOr Gerlitz 30714c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 30727e36feebSPaul Blakey &modify_ip_header, 30737e36feebSPaul Blakey &modify_tuple, extack); 30744c3844d9SPaul Blakey if (err) 30754c3844d9SPaul Blakey return err; 3076bdd66ac0SOr Gerlitz } 3077bdd66ac0SOr Gerlitz 30787e36feebSPaul Blakey /* Add ct_state=-trk match so it will be offloaded for non ct flows 30797e36feebSPaul Blakey * (or after clear action), as otherwise, since the tuple is changed, 30807e36feebSPaul Blakey * we can't restore ct state 30817e36feebSPaul Blakey */ 30827e36feebSPaul Blakey if (!ct_clear && modify_tuple && 30837e36feebSPaul Blakey mlx5_tc_ct_add_no_trk_match(priv, spec)) { 30847e36feebSPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30857e36feebSPaul Blakey "can't offload tuple modify header with ct matches"); 30867e36feebSPaul Blakey netdev_info(priv->netdev, 30877e36feebSPaul Blakey "can't offload tuple modify header with ct matches"); 30887e36feebSPaul Blakey return false; 30897e36feebSPaul Blakey } 30907e36feebSPaul Blakey 3091bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 30921ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 30931ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3094e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3095e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 30963d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 30973d486ec4SOz Shlomo ip_proto); 3098bdd66ac0SOr Gerlitz return false; 3099bdd66ac0SOr Gerlitz } 3100bdd66ac0SOr Gerlitz 3101bdd66ac0SOr Gerlitz out_ok: 3102bdd66ac0SOr Gerlitz return true; 3103bdd66ac0SOr Gerlitz } 3104bdd66ac0SOr Gerlitz 3105bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 310673867881SPablo Neira Ayuso struct flow_action *flow_action, 3107bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3108e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3109e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3110bdd66ac0SOr Gerlitz { 3111a7c119bdSPaul Blakey bool ct_flow = false, ct_clear = false; 3112bdd66ac0SOr Gerlitz u32 actions; 3113bdd66ac0SOr Gerlitz 31144c3844d9SPaul Blakey if (mlx5e_is_eswitch_flow(flow)) { 3115bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 3116a7c119bdSPaul Blakey ct_clear = flow->esw_attr->ct_attr.ct_action & 3117a7c119bdSPaul Blakey TCA_CT_ACT_CLEAR; 3118a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 31194c3844d9SPaul Blakey if (flow->esw_attr->split_count && ct_flow) { 31204c3844d9SPaul Blakey /* All registers used by ct are cleared when using 31214c3844d9SPaul Blakey * split rules. 31224c3844d9SPaul Blakey */ 31234c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31244c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 312549397b80SDan Carpenter return false; 31264c3844d9SPaul Blakey } 31274c3844d9SPaul Blakey } else { 3128bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 31294c3844d9SPaul Blakey } 3130bdd66ac0SOr Gerlitz 3131bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 31323d486ec4SOz Shlomo return modify_header_match_supported(priv, &parse_attr->spec, 3133a655fe9fSDavid S. Miller flow_action, actions, 31347e36feebSPaul Blakey ct_flow, ct_clear, 31357e36feebSPaul Blakey extack); 3136bdd66ac0SOr Gerlitz 3137bdd66ac0SOr Gerlitz return true; 3138bdd66ac0SOr Gerlitz } 3139bdd66ac0SOr Gerlitz 314032134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 314132134847SMaor Dickman { 314232134847SMaor Dickman return priv->mdev == peer_priv->mdev; 314332134847SMaor Dickman } 314432134847SMaor Dickman 31455c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 31465c65c564SOr Gerlitz { 31475c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3148816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 31495c65c564SOr Gerlitz 31505c65c564SOr Gerlitz fmdev = priv->mdev; 31515c65c564SOr Gerlitz pmdev = peer_priv->mdev; 31525c65c564SOr Gerlitz 315359c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 315459c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 31555c65c564SOr Gerlitz 3156816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 31575c65c564SOr Gerlitz } 31585c65c564SOr Gerlitz 3159bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3160bdc837eeSEli Britstein const struct flow_action_entry *act, 3161bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3162bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3163bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3164bdc837eeSEli Britstein { 3165bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3166bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3167bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3168bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3169bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3170bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3171bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3172bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3173bdc837eeSEli Britstein }; 31746fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3175bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3176bdc837eeSEli Britstein int err; 3177bdc837eeSEli Britstein 3178bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3179bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3180bf2f3bcaSEli Britstein 3181bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3182bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3183bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3184bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3185bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3186bf2f3bcaSEli Britstein } 3187bf2f3bcaSEli Britstein 31886fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 31896fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 31906fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 31916fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 31926fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3193bdc837eeSEli Britstein return -EOPNOTSUPP; 3194bdc837eeSEli Britstein } 3195bdc837eeSEli Britstein 3196582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3197bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3198bdc837eeSEli Britstein 3199bdc837eeSEli Britstein return err; 3200bdc837eeSEli Britstein } 3201bdc837eeSEli Britstein 32020bac1194SEli Britstein static int 32030bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 32040bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 32050bac1194SEli Britstein struct pedit_headers_action *hdrs, 32060bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 32070bac1194SEli Britstein { 32080bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 32090bac1194SEli Britstein .vlan.vid = 0, 32100bac1194SEli Britstein .vlan.prio = 32110bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32120bac1194SEli Britstein get_match_headers_value(*action, 32130bac1194SEli Britstein &parse_attr->spec), 32140bac1194SEli Britstein first_prio) & 32150bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32160bac1194SEli Britstein get_match_headers_criteria(*action, 32170bac1194SEli Britstein &parse_attr->spec), 32180bac1194SEli Britstein first_prio), 32190bac1194SEli Britstein }; 32200bac1194SEli Britstein 32210bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 32220bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 32230bac1194SEli Britstein extack); 32240bac1194SEli Britstein } 32250bac1194SEli Britstein 322673867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 322773867881SPablo Neira Ayuso struct flow_action *flow_action, 3228aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3229e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3230e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3231e3a2b7edSAmir Vadai { 3232aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 323373867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 323473867881SPablo Neira Ayuso const struct flow_action_entry *act; 32351cab1cd7SOr Gerlitz u32 action = 0; 3236244cd96aSCong Wang int err, i; 3237e3a2b7edSAmir Vadai 323873867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3239e3a2b7edSAmir Vadai return -EINVAL; 3240e3a2b7edSAmir Vadai 324153eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 324253eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3243319a1d19SJiri Pirko return -EOPNOTSUPP; 3244319a1d19SJiri Pirko 32453bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3246e3a2b7edSAmir Vadai 324773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 324873867881SPablo Neira Ayuso switch (act->id) { 324915fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 325015fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 325115fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 325215fc92ecSTonghao Zhang break; 325373867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 32541cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3255aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3256aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 32571cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 325873867881SPablo Neira Ayuso break; 325973867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 326073867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 326173867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3262582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 32632f4fe4caSOr Gerlitz if (err) 32642f4fe4caSOr Gerlitz return err; 32652f4fe4caSOr Gerlitz 32661cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 32672f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 326873867881SPablo Neira Ayuso break; 3269bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3270bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3271bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3272bdc837eeSEli Britstein act, parse_attr, hdrs, 3273bdc837eeSEli Britstein &action, extack); 3274bdc837eeSEli Britstein if (err) 3275bdc837eeSEli Britstein return err; 3276bdc837eeSEli Britstein 3277bdc837eeSEli Britstein break; 327873867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 32791cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 328073867881SPablo Neira Ayuso act->csum_flags, 3281e98bedf5SEli Britstein extack)) 328273867881SPablo Neira Ayuso break; 328326c02749SOr Gerlitz 328426c02749SOr Gerlitz return -EOPNOTSUPP; 328573867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 328673867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 32875c65c564SOr Gerlitz 32885c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 32895c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 329098b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3291226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 32921cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 32935c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 32945c65c564SOr Gerlitz } else { 3295e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3296e98bedf5SEli Britstein "device is not on same HW, can't offload"); 32975c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 32985c65c564SOr Gerlitz peer_dev->name); 32995c65c564SOr Gerlitz return -EINVAL; 33005c65c564SOr Gerlitz } 33015c65c564SOr Gerlitz } 330273867881SPablo Neira Ayuso break; 330373867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 330473867881SPablo Neira Ayuso u32 mark = act->mark; 3305e3a2b7edSAmir Vadai 3306e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3307e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3308e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3309e3a2b7edSAmir Vadai return -EINVAL; 3310e3a2b7edSAmir Vadai } 3311e3a2b7edSAmir Vadai 33123bc4b7bfSOr Gerlitz attr->flow_tag = mark; 33131cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3314e3a2b7edSAmir Vadai } 331573867881SPablo Neira Ayuso break; 331673867881SPablo Neira Ayuso default: 33172cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 33182cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3319e3a2b7edSAmir Vadai } 332073867881SPablo Neira Ayuso } 3321e3a2b7edSAmir Vadai 3322c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3323c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3324c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 332527c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3326c500c86bSPablo Neira Ayuso if (err) 3327c500c86bSPablo Neira Ayuso return err; 332827c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 332927c11b6bSEli Britstein * flag. 333027c11b6bSEli Britstein */ 33316ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 333227c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 33336ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3334e7739a60SEli Britstein } 3335c500c86bSPablo Neira Ayuso } 3336c500c86bSPablo Neira Ayuso 33371cab1cd7SOr Gerlitz attr->action = action; 333873867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3339bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3340bdd66ac0SOr Gerlitz 3341e3a2b7edSAmir Vadai return 0; 3342e3a2b7edSAmir Vadai } 3343e3a2b7edSAmir Vadai 33447f1a546eSEli Britstein struct encap_key { 33451f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 3346d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 33477f1a546eSEli Britstein }; 33487f1a546eSEli Britstein 33497f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 33507f1a546eSEli Britstein struct encap_key *b) 3351a54e20b4SHadar Hen Zion { 33527f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 3353d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 3354a54e20b4SHadar Hen Zion } 3355a54e20b4SHadar Hen Zion 335614e6b038SEli Cohen static inline int cmp_decap_info(struct mlx5e_decap_key *a, 335714e6b038SEli Cohen struct mlx5e_decap_key *b) 335814e6b038SEli Cohen { 335914e6b038SEli Cohen return memcmp(&a->key, &b->key, sizeof(b->key)); 336014e6b038SEli Cohen } 336114e6b038SEli Cohen 33627f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 3363a54e20b4SHadar Hen Zion { 33647f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 3365d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 3366a54e20b4SHadar Hen Zion } 3367a54e20b4SHadar Hen Zion 336814e6b038SEli Cohen static inline int hash_decap_info(struct mlx5e_decap_key *key) 336914e6b038SEli Cohen { 337014e6b038SEli Cohen return jhash(&key->key, sizeof(key->key), 0); 337114e6b038SEli Cohen } 3372a54e20b4SHadar Hen Zion 337332134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3374b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3375b1d90e6bSRabie Loulou { 3376b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3377b1d90e6bSRabie Loulou 3378b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3379b1d90e6bSRabie Loulou 3380b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 338132134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 338232134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 338368931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3384b1d90e6bSRabie Loulou } 3385b1d90e6bSRabie Loulou 3386948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 3387948993f2SVlad Buslov { 3388948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 3389948993f2SVlad Buslov } 3390948993f2SVlad Buslov 339114e6b038SEli Cohen static bool mlx5e_decap_take(struct mlx5e_decap_entry *e) 339214e6b038SEli Cohen { 339314e6b038SEli Cohen return refcount_inc_not_zero(&e->refcnt); 339414e6b038SEli Cohen } 339514e6b038SEli Cohen 3396948993f2SVlad Buslov static struct mlx5e_encap_entry * 3397948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 3398948993f2SVlad Buslov uintptr_t hash_key) 3399948993f2SVlad Buslov { 3400948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3401948993f2SVlad Buslov struct mlx5e_encap_entry *e; 3402948993f2SVlad Buslov struct encap_key e_key; 3403948993f2SVlad Buslov 3404948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 3405948993f2SVlad Buslov encap_hlist, hash_key) { 3406948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 3407948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 3408948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 3409948993f2SVlad Buslov mlx5e_encap_take(e)) 3410948993f2SVlad Buslov return e; 3411948993f2SVlad Buslov } 3412948993f2SVlad Buslov 3413948993f2SVlad Buslov return NULL; 3414948993f2SVlad Buslov } 3415948993f2SVlad Buslov 341614e6b038SEli Cohen static struct mlx5e_decap_entry * 341714e6b038SEli Cohen mlx5e_decap_get(struct mlx5e_priv *priv, struct mlx5e_decap_key *key, 341814e6b038SEli Cohen uintptr_t hash_key) 341914e6b038SEli Cohen { 342014e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 342114e6b038SEli Cohen struct mlx5e_decap_key r_key; 342214e6b038SEli Cohen struct mlx5e_decap_entry *e; 342314e6b038SEli Cohen 342414e6b038SEli Cohen hash_for_each_possible_rcu(esw->offloads.decap_tbl, e, 342514e6b038SEli Cohen hlist, hash_key) { 342614e6b038SEli Cohen r_key = e->key; 342714e6b038SEli Cohen if (!cmp_decap_info(&r_key, key) && 342814e6b038SEli Cohen mlx5e_decap_take(e)) 342914e6b038SEli Cohen return e; 343014e6b038SEli Cohen } 343114e6b038SEli Cohen return NULL; 343214e6b038SEli Cohen } 343314e6b038SEli Cohen 34342a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 34352a4b6526SVlad Buslov { 34362a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 34372a4b6526SVlad Buslov 34382a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 34392a4b6526SVlad Buslov } 34402a4b6526SVlad Buslov 3441554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 3442554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 3443554fe75cSDmytro Linkin int out_index, 3444554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 3445554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3446554fe75cSDmytro Linkin { 3447554fe75cSDmytro Linkin int i; 3448554fe75cSDmytro Linkin 3449554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 3450554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 3451554fe75cSDmytro Linkin continue; 3452554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 3453554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 3454554fe75cSDmytro Linkin return true; 3455554fe75cSDmytro Linkin } 3456554fe75cSDmytro Linkin 3457554fe75cSDmytro Linkin return false; 3458554fe75cSDmytro Linkin } 3459554fe75cSDmytro Linkin 3460a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3461e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3462733d4f36SRoi Dayan struct net_device *mirred_dev, 3463733d4f36SRoi Dayan int out_index, 34648c4dc42bSEli Britstein struct netlink_ext_ack *extack, 34650ad060eeSRoi Dayan struct net_device **encap_dev, 34660ad060eeSRoi Dayan bool *encap_valid) 346703a9d11eSOr Gerlitz { 3468a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 346945247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3470733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 34711f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3472948993f2SVlad Buslov struct encap_key key; 3473c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3474733d4f36SRoi Dayan unsigned short family; 3475a54e20b4SHadar Hen Zion uintptr_t hash_key; 347654c177caSOz Shlomo int err = 0; 3477a54e20b4SHadar Hen Zion 3478733d4f36SRoi Dayan parse_attr = attr->parse_attr; 34791f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3480733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 34817f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3482d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3483d71f895cSEli Cohen if (!key.tc_tunnel) { 3484d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3485d71f895cSEli Cohen return -EOPNOTSUPP; 3486d71f895cSEli Cohen } 3487733d4f36SRoi Dayan 34887f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3489a54e20b4SHadar Hen Zion 349061086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3491948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3492a54e20b4SHadar Hen Zion 3493b2812089SVlad Buslov /* must verify if encap is valid or not */ 3494d589e785SVlad Buslov if (e) { 3495554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3496554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3497554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3498554fe75cSDmytro Linkin goto out_err; 3499554fe75cSDmytro Linkin } 3500554fe75cSDmytro Linkin 3501d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3502d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3503d589e785SVlad Buslov 3504d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3505d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 35063c140dd5SVlad Buslov if (e->compl_result < 0) { 3507d589e785SVlad Buslov err = -EREMOTEIO; 3508d589e785SVlad Buslov goto out_err; 3509d589e785SVlad Buslov } 351045247bf2SOr Gerlitz goto attach_flow; 3511d589e785SVlad Buslov } 3512a54e20b4SHadar Hen Zion 3513a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 351461086f39SVlad Buslov if (!e) { 351561086f39SVlad Buslov err = -ENOMEM; 351661086f39SVlad Buslov goto out_err; 351761086f39SVlad Buslov } 3518a54e20b4SHadar Hen Zion 3519948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3520d589e785SVlad Buslov init_completion(&e->res_ready); 3521d589e785SVlad Buslov 35222a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 35232a4b6526SVlad Buslov if (!tun_info) { 35242a4b6526SVlad Buslov err = -ENOMEM; 35252a4b6526SVlad Buslov goto out_err_init; 35262a4b6526SVlad Buslov } 35271f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3528101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 35292a4b6526SVlad Buslov if (err) 35302a4b6526SVlad Buslov goto out_err_init; 353154c177caSOz Shlomo 3532a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3533d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3534d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3535a54e20b4SHadar Hen Zion 3536ce99f6b9SOr Gerlitz if (family == AF_INET) 3537101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3538ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3539101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3540ce99f6b9SOr Gerlitz 3541d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3542d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3543d589e785SVlad Buslov complete_all(&e->res_ready); 3544d589e785SVlad Buslov if (err) { 3545d589e785SVlad Buslov e->compl_result = err; 3546a54e20b4SHadar Hen Zion goto out_err; 3547d589e785SVlad Buslov } 35483c140dd5SVlad Buslov e->compl_result = 1; 3549a54e20b4SHadar Hen Zion 355045247bf2SOr Gerlitz attach_flow: 3551948993f2SVlad Buslov flow->encaps[out_index].e = e; 35528c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 35538c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 355445247bf2SOr Gerlitz *encap_dev = e->out_dev; 35558c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 35562b688ea5SMaor Gottlieb attr->dests[out_index].pkt_reformat = e->pkt_reformat; 35578c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 35580ad060eeSRoi Dayan *encap_valid = true; 35598c4dc42bSEli Britstein } else { 35600ad060eeSRoi Dayan *encap_valid = false; 35618c4dc42bSEli Britstein } 356261086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 356345247bf2SOr Gerlitz 3564232c0013SHadar Hen Zion return err; 3565a54e20b4SHadar Hen Zion 3566a54e20b4SHadar Hen Zion out_err: 356761086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3568d589e785SVlad Buslov if (e) 3569d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3570a54e20b4SHadar Hen Zion return err; 35712a4b6526SVlad Buslov 35722a4b6526SVlad Buslov out_err_init: 35732a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 35742a4b6526SVlad Buslov kfree(tun_info); 35752a4b6526SVlad Buslov kfree(e); 35762a4b6526SVlad Buslov return err; 3577a54e20b4SHadar Hen Zion } 3578a54e20b4SHadar Hen Zion 357914e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 358014e6b038SEli Cohen struct mlx5e_tc_flow *flow, 358114e6b038SEli Cohen struct netlink_ext_ack *extack) 358214e6b038SEli Cohen { 358314e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 358414e6b038SEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 358514e6b038SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr; 358614e6b038SEli Cohen struct mlx5e_decap_entry *d; 358714e6b038SEli Cohen struct mlx5e_decap_key key; 358814e6b038SEli Cohen uintptr_t hash_key; 358928619046SNathan Chancellor int err = 0; 359014e6b038SEli Cohen 359114e6b038SEli Cohen parse_attr = attr->parse_attr; 359214e6b038SEli Cohen if (sizeof(parse_attr->eth) > MLX5_CAP_ESW(priv->mdev, max_encap_header_size)) { 359314e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 359414e6b038SEli Cohen "encap header larger than max supported"); 359514e6b038SEli Cohen return -EOPNOTSUPP; 359614e6b038SEli Cohen } 359714e6b038SEli Cohen 359814e6b038SEli Cohen key.key = parse_attr->eth; 359914e6b038SEli Cohen hash_key = hash_decap_info(&key); 360014e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 360114e6b038SEli Cohen d = mlx5e_decap_get(priv, &key, hash_key); 360214e6b038SEli Cohen if (d) { 360314e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 360414e6b038SEli Cohen wait_for_completion(&d->res_ready); 360514e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 360614e6b038SEli Cohen if (d->compl_result) { 360714e6b038SEli Cohen err = -EREMOTEIO; 360814e6b038SEli Cohen goto out_free; 360914e6b038SEli Cohen } 361014e6b038SEli Cohen goto found; 361114e6b038SEli Cohen } 361214e6b038SEli Cohen 361314e6b038SEli Cohen d = kzalloc(sizeof(*d), GFP_KERNEL); 361414e6b038SEli Cohen if (!d) { 361514e6b038SEli Cohen err = -ENOMEM; 361614e6b038SEli Cohen goto out_err; 361714e6b038SEli Cohen } 361814e6b038SEli Cohen 361914e6b038SEli Cohen d->key = key; 362014e6b038SEli Cohen refcount_set(&d->refcnt, 1); 362114e6b038SEli Cohen init_completion(&d->res_ready); 362214e6b038SEli Cohen INIT_LIST_HEAD(&d->flows); 362314e6b038SEli Cohen hash_add_rcu(esw->offloads.decap_tbl, &d->hlist, hash_key); 362414e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 362514e6b038SEli Cohen 362614e6b038SEli Cohen d->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 362714e6b038SEli Cohen MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2, 362814e6b038SEli Cohen sizeof(parse_attr->eth), 362914e6b038SEli Cohen &parse_attr->eth, 363014e6b038SEli Cohen MLX5_FLOW_NAMESPACE_FDB); 363114e6b038SEli Cohen if (IS_ERR(d->pkt_reformat)) { 363214e6b038SEli Cohen err = PTR_ERR(d->pkt_reformat); 363314e6b038SEli Cohen d->compl_result = err; 363414e6b038SEli Cohen } 363514e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 363614e6b038SEli Cohen complete_all(&d->res_ready); 363714e6b038SEli Cohen if (err) 363814e6b038SEli Cohen goto out_free; 363914e6b038SEli Cohen 364014e6b038SEli Cohen found: 364114e6b038SEli Cohen flow->decap_reformat = d; 364214e6b038SEli Cohen attr->decap_pkt_reformat = d->pkt_reformat; 364314e6b038SEli Cohen list_add(&flow->l3_to_l2_reformat, &d->flows); 364414e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 364514e6b038SEli Cohen return 0; 364614e6b038SEli Cohen 364714e6b038SEli Cohen out_free: 364814e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 364914e6b038SEli Cohen mlx5e_decap_put(priv, d); 365014e6b038SEli Cohen return err; 365114e6b038SEli Cohen 365214e6b038SEli Cohen out_err: 365314e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 365414e6b038SEli Cohen return err; 365514e6b038SEli Cohen } 365614e6b038SEli Cohen 36571482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 365873867881SPablo Neira Ayuso const struct flow_action_entry *act, 36591482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 36601482bd3dSJianbo Liu u32 *action) 36611482bd3dSJianbo Liu { 3662cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3663cc495188SJianbo Liu 3664cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 36651482bd3dSJianbo Liu return -EOPNOTSUPP; 3666cc495188SJianbo Liu 366773867881SPablo Neira Ayuso switch (act->id) { 366873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3669cc495188SJianbo Liu if (vlan_idx) { 3670cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3671cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3672cc495188SJianbo Liu return -EOPNOTSUPP; 3673cc495188SJianbo Liu 3674cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3675cc495188SJianbo Liu } else { 3676cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3677cc495188SJianbo Liu } 367873867881SPablo Neira Ayuso break; 367973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 368073867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 368173867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 368273867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3683cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3684cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3685cc495188SJianbo Liu 3686cc495188SJianbo Liu if (vlan_idx) { 3687cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3688cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3689cc495188SJianbo Liu return -EOPNOTSUPP; 3690cc495188SJianbo Liu 3691cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3692cc495188SJianbo Liu } else { 3693cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 369473867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 369573867881SPablo Neira Ayuso act->vlan.prio)) 3696cc495188SJianbo Liu return -EOPNOTSUPP; 3697cc495188SJianbo Liu 3698cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 36991482bd3dSJianbo Liu } 370073867881SPablo Neira Ayuso break; 370173867881SPablo Neira Ayuso default: 3702bdc837eeSEli Britstein return -EINVAL; 37031482bd3dSJianbo Liu } 37041482bd3dSJianbo Liu 3705cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3706cc495188SJianbo Liu 37071482bd3dSJianbo Liu return 0; 37081482bd3dSJianbo Liu } 37091482bd3dSJianbo Liu 3710d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3711d34eb2fcSOr Gerlitz struct net_device *out_dev) 3712d34eb2fcSOr Gerlitz { 3713d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3714d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3715d34eb2fcSOr Gerlitz 3716d34eb2fcSOr Gerlitz rcu_read_lock(); 3717d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3718d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3719d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3720d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3721d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3722d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3723d34eb2fcSOr Gerlitz if (fdb_out_dev && 3724d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3725d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3726d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3727d34eb2fcSOr Gerlitz } 3728d34eb2fcSOr Gerlitz rcu_read_unlock(); 3729d34eb2fcSOr Gerlitz return fdb_out_dev; 3730d34eb2fcSOr Gerlitz } 3731d34eb2fcSOr Gerlitz 3732278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3733278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3734278748a9SEli Britstein struct net_device **out_dev, 3735278748a9SEli Britstein u32 *action) 3736278748a9SEli Britstein { 3737278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3738278748a9SEli Britstein struct flow_action_entry vlan_act = { 3739278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3740278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3741278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3742278748a9SEli Britstein .vlan.prio = 0, 3743278748a9SEli Britstein }; 3744278748a9SEli Britstein int err; 3745278748a9SEli Britstein 3746278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3747278748a9SEli Britstein if (err) 3748278748a9SEli Britstein return err; 3749278748a9SEli Britstein 3750278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3751278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3752278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3753278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3754278748a9SEli Britstein 3755278748a9SEli Britstein return err; 3756278748a9SEli Britstein } 3757278748a9SEli Britstein 375835a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 375935a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 376035a605dbSEli Britstein u32 *action) 376135a605dbSEli Britstein { 376235a605dbSEli Britstein struct flow_action_entry vlan_act = { 376335a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 376435a605dbSEli Britstein }; 376570f478caSDmytro Linkin int nest_level, err = 0; 376635a605dbSEli Britstein 376770f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 376870f478caSDmytro Linkin priv->netdev->lower_level; 376935a605dbSEli Britstein while (nest_level--) { 377035a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 377135a605dbSEli Britstein if (err) 377235a605dbSEli Britstein return err; 377335a605dbSEli Britstein } 377435a605dbSEli Britstein 377535a605dbSEli Britstein return err; 377635a605dbSEli Britstein } 377735a605dbSEli Britstein 377832134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 377932134847SMaor Dickman struct net_device *peer_netdev) 378032134847SMaor Dickman { 378132134847SMaor Dickman struct mlx5e_priv *peer_priv; 378232134847SMaor Dickman 378332134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 378432134847SMaor Dickman 378532134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 378632134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 378732134847SMaor Dickman same_hw_devs(priv, peer_priv); 378832134847SMaor Dickman } 378932134847SMaor Dickman 379032134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 379132134847SMaor Dickman struct net_device *peer_netdev) 379232134847SMaor Dickman { 379332134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 379432134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 379532134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 379632134847SMaor Dickman } 379732134847SMaor Dickman 3798f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3799f6dc1264SPaul Blakey struct net_device *out_dev) 3800f6dc1264SPaul Blakey { 380132134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 380232134847SMaor Dickman return true; 380332134847SMaor Dickman 380432134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3805f6dc1264SPaul Blakey return true; 3806f6dc1264SPaul Blakey 3807f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 380832134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3809f6dc1264SPaul Blakey } 3810f6dc1264SPaul Blakey 3811554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3812554fe75cSDmytro Linkin struct net_device *out_dev, 3813554fe75cSDmytro Linkin int *ifindexes, int if_count, 3814554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3815554fe75cSDmytro Linkin { 3816554fe75cSDmytro Linkin int i; 3817554fe75cSDmytro Linkin 3818554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3819554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3820554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3821554fe75cSDmytro Linkin "can't duplicate output to same device"); 3822554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3823554fe75cSDmytro Linkin out_dev->name); 3824554fe75cSDmytro Linkin return true; 3825554fe75cSDmytro Linkin } 3826554fe75cSDmytro Linkin } 3827554fe75cSDmytro Linkin 3828554fe75cSDmytro Linkin return false; 3829554fe75cSDmytro Linkin } 3830554fe75cSDmytro Linkin 38312fbbc30dSEli Cohen static int mlx5_validate_goto_chain(struct mlx5_eswitch *esw, 38322fbbc30dSEli Cohen struct mlx5e_tc_flow *flow, 38332fbbc30dSEli Cohen const struct flow_action_entry *act, 38342fbbc30dSEli Cohen u32 actions, 38352fbbc30dSEli Cohen struct netlink_ext_ack *extack) 38362fbbc30dSEli Cohen { 38372fbbc30dSEli Cohen u32 max_chain = mlx5_esw_chains_get_chain_range(esw); 38382fbbc30dSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 38392fbbc30dSEli Cohen bool ft_flow = mlx5e_is_ft_flow(flow); 38402fbbc30dSEli Cohen u32 dest_chain = act->chain_index; 38412fbbc30dSEli Cohen 38422fbbc30dSEli Cohen if (ft_flow) { 38432fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 38442fbbc30dSEli Cohen return -EOPNOTSUPP; 38452fbbc30dSEli Cohen } 38462fbbc30dSEli Cohen 38472fbbc30dSEli Cohen if (!mlx5_esw_chains_backwards_supported(esw) && 38482fbbc30dSEli Cohen dest_chain <= attr->chain) { 38492fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 38502fbbc30dSEli Cohen "Goto lower numbered chain isn't supported"); 38512fbbc30dSEli Cohen return -EOPNOTSUPP; 38522fbbc30dSEli Cohen } 38532fbbc30dSEli Cohen if (dest_chain > max_chain) { 38542fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 38552fbbc30dSEli Cohen "Requested destination chain is out of supported range"); 38562fbbc30dSEli Cohen return -EOPNOTSUPP; 38572fbbc30dSEli Cohen } 38582fbbc30dSEli Cohen 38592fbbc30dSEli Cohen if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 38602fbbc30dSEli Cohen MLX5_FLOW_CONTEXT_ACTION_DECAP) && 38612fbbc30dSEli Cohen !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat_and_fwd_to_table)) { 38622fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 38632fbbc30dSEli Cohen "Goto chain is not allowed if action has reformat or decap"); 38642fbbc30dSEli Cohen return -EOPNOTSUPP; 38652fbbc30dSEli Cohen } 38662fbbc30dSEli Cohen 38672fbbc30dSEli Cohen return 0; 38682fbbc30dSEli Cohen } 38692fbbc30dSEli Cohen 3870613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3871613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3872613f53feSEli Cohen struct net_device *out_dev, 3873613f53feSEli Cohen struct netlink_ext_ack *extack) 3874613f53feSEli Cohen { 3875613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3876613f53feSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3877613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3878613f53feSEli Cohen 3879613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3880613f53feSEli Cohen * uplink ports is allowed only if 3881613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3882613f53feSEli Cohen * 3883613f53feSEli Cohen * Input vport was stored esw_attr->in_rep. 3884613f53feSEli Cohen * In LAG case, *priv* is the private data of 3885613f53feSEli Cohen * uplink which may be not the input vport. 3886613f53feSEli Cohen */ 3887613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3888613f53feSEli Cohen 3889613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3890613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3891613f53feSEli Cohen return 0; 3892613f53feSEli Cohen 3893613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3894613f53feSEli Cohen termination_table_raw_traffic)) { 3895613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3896613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3897613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3898613f53feSEli Cohen priv->netdev->name, out_dev->name); 3899613f53feSEli Cohen return -EOPNOTSUPP; 3900613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3901613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3902613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3903613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3904613f53feSEli Cohen priv->netdev->name, out_dev->name); 3905613f53feSEli Cohen return -EOPNOTSUPP; 3906613f53feSEli Cohen } 3907613f53feSEli Cohen return 0; 3908613f53feSEli Cohen } 3909613f53feSEli Cohen 391073867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 391173867881SPablo Neira Ayuso struct flow_action *flow_action, 3912e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 391314e6b038SEli Cohen struct netlink_ext_ack *extack, 391414e6b038SEli Cohen struct net_device *filter_dev) 3915a54e20b4SHadar Hen Zion { 391673867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3917bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3918ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 39196f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 39201d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 392173867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3922554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 392384179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 392473867881SPablo Neira Ayuso const struct flow_action_entry *act; 39250a7fcb78SPaul Blakey bool encap = false, decap = false; 39260a7fcb78SPaul Blakey u32 action = attr->action; 3927554fe75cSDmytro Linkin int err, i, if_count = 0; 3928f828ca6aSEli Cohen bool mpls_push = false; 392903a9d11eSOr Gerlitz 393073867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 393103a9d11eSOr Gerlitz return -EINVAL; 393203a9d11eSOr Gerlitz 393353eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 393453eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3935319a1d19SJiri Pirko return -EOPNOTSUPP; 3936319a1d19SJiri Pirko 393773867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 393873867881SPablo Neira Ayuso switch (act->id) { 393973867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 39401cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 394103a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 394273867881SPablo Neira Ayuso break; 3943f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3944f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3945f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3946f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3947f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3948f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 3949f828ca6aSEli Cohen return -EOPNOTSUPP; 3950f828ca6aSEli Cohen } 3951f828ca6aSEli Cohen mpls_push = true; 3952f828ca6aSEli Cohen break; 395314e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 395414e6b038SEli Cohen /* we only support mpls pop if it is the first action 395514e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 395614e6b038SEli Cohen * actions can be pedit and the last can be mirred 395714e6b038SEli Cohen * egress redirect. 395814e6b038SEli Cohen */ 395914e6b038SEli Cohen if (i) { 396014e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 396114e6b038SEli Cohen "mpls pop supported only as first action"); 396214e6b038SEli Cohen return -EOPNOTSUPP; 396314e6b038SEli Cohen } 396414e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) { 396514e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 396614e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 396714e6b038SEli Cohen return -EOPNOTSUPP; 396814e6b038SEli Cohen } 396914e6b038SEli Cohen 397014e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 397114e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 397214e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 397314e6b038SEli Cohen break; 397473867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 397573867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 397673867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3977582234b4SEli Cohen parse_attr, hdrs, flow, extack); 3978d7e75a32SOr Gerlitz if (err) 3979d7e75a32SOr Gerlitz return err; 3980d7e75a32SOr Gerlitz 3981582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 39821cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3983e85e02baSEli Britstein attr->split_count = attr->out_count; 3984582234b4SEli Cohen } 398573867881SPablo Neira Ayuso break; 398673867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 39871cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 398873867881SPablo Neira Ayuso act->csum_flags, extack)) 398973867881SPablo Neira Ayuso break; 399026c02749SOr Gerlitz 399126c02749SOr Gerlitz return -EOPNOTSUPP; 399273867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 399373867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 399403a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3995592d3651SChris Mi struct net_device *out_dev; 399603a9d11eSOr Gerlitz 399773867881SPablo Neira Ayuso out_dev = act->dev; 3998ef381359SOz Shlomo if (!out_dev) { 3999ef381359SOz Shlomo /* out_dev is NULL when filters with 4000ef381359SOz Shlomo * non-existing mirred device are replayed to 4001ef381359SOz Shlomo * the driver. 4002ef381359SOz Shlomo */ 4003ef381359SOz Shlomo return -EINVAL; 4004ef381359SOz Shlomo } 400503a9d11eSOr Gerlitz 4006f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 4007f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4008f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 4009f828ca6aSEli Cohen return -EOPNOTSUPP; 4010f828ca6aSEli Cohen } 4011f828ca6aSEli Cohen 401284179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 401384179981SPaul Blakey /* Ignore forward to self rules generated 401484179981SPaul Blakey * by adding both mlx5 devs to the flow table 401584179981SPaul Blakey * block on a normal nft offload setup. 401684179981SPaul Blakey */ 401784179981SPaul Blakey return -EOPNOTSUPP; 401884179981SPaul Blakey } 401984179981SPaul Blakey 4020592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 4021e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4022e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 40234ccd83f4SRoi Dayan netdev_warn(priv->netdev, 40244ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 4025592d3651SChris Mi attr->out_count); 4026592d3651SChris Mi return -EOPNOTSUPP; 4027592d3651SChris Mi } 4028592d3651SChris Mi 4029f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4030f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 4031b6a4ac24SVlad Buslov if (encap) { 4032b6a4ac24SVlad Buslov parse_attr->mirred_ifindex[attr->out_count] = 4033b6a4ac24SVlad Buslov out_dev->ifindex; 4034b6a4ac24SVlad Buslov parse_attr->tun_info[attr->out_count] = dup_tun_info(info); 4035b6a4ac24SVlad Buslov if (!parse_attr->tun_info[attr->out_count]) 4036b6a4ac24SVlad Buslov return -ENOMEM; 4037b6a4ac24SVlad Buslov encap = false; 4038b6a4ac24SVlad Buslov attr->dests[attr->out_count].flags |= 4039b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 4040b6a4ac24SVlad Buslov attr->out_count++; 4041b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 4042b6a4ac24SVlad Buslov * handle encap 4043b6a4ac24SVlad Buslov */ 4044b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 40457ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 40467ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 40477ba58ba7SRabie Loulou 4048554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 4049554fe75cSDmytro Linkin out_dev, 4050554fe75cSDmytro Linkin ifindexes, 4051554fe75cSDmytro Linkin if_count, 4052554fe75cSDmytro Linkin extack)) 4053554fe75cSDmytro Linkin return -EOPNOTSUPP; 4054554fe75cSDmytro Linkin 4055554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 4056554fe75cSDmytro Linkin if_count++; 4057554fe75cSDmytro Linkin 4058d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 4059d34eb2fcSOr Gerlitz if (!out_dev) 4060d34eb2fcSOr Gerlitz return -ENODEV; 40617ba58ba7SRabie Loulou 4062278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 4063278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 4064278748a9SEli Britstein &out_dev, 4065278748a9SEli Britstein &action); 4066278748a9SEli Britstein if (err) 4067278748a9SEli Britstein return err; 4068278748a9SEli Britstein } 4069f6dc1264SPaul Blakey 407035a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 407135a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 407235a605dbSEli Britstein &action); 407335a605dbSEli Britstein if (err) 407435a605dbSEli Britstein return err; 407535a605dbSEli Britstein } 4076278748a9SEli Britstein 4077613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 4078613f53feSEli Cohen if (err) 4079613f53feSEli Cohen return err; 4080ffec9702STonghao Zhang 4081f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 4082f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 4083f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 4084a0646c88SEli Britstein return -EOPNOTSUPP; 4085f6dc1264SPaul Blakey } 4086a0646c88SEli Britstein 408703a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 40881d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 4089df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 4090df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 4091df65a573SEli Britstein attr->out_count++; 4092ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 4093ef381359SOz Shlomo /* All mlx5 devices are called to configure 4094ef381359SOz Shlomo * high level device filters. Therefore, the 4095ef381359SOz Shlomo * *attempt* to install a filter on invalid 4096ef381359SOz Shlomo * eswitch should not trigger an explicit error 4097ef381359SOz Shlomo */ 4098ef381359SOz Shlomo return -EINVAL; 4099a54e20b4SHadar Hen Zion } else { 4100e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4101e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 41024ccd83f4SRoi Dayan netdev_warn(priv->netdev, 41034ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 41044ccd83f4SRoi Dayan priv->netdev->name, 41054ccd83f4SRoi Dayan out_dev->name); 4106a54e20b4SHadar Hen Zion return -EINVAL; 4107a54e20b4SHadar Hen Zion } 4108a54e20b4SHadar Hen Zion } 410973867881SPablo Neira Ayuso break; 411073867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 411173867881SPablo Neira Ayuso info = act->tunnel; 4112a54e20b4SHadar Hen Zion if (info) 4113a54e20b4SHadar Hen Zion encap = true; 4114a54e20b4SHadar Hen Zion else 4115a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 411603a9d11eSOr Gerlitz 411773867881SPablo Neira Ayuso break; 411873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 411973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 412076b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 412176b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 412276b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 412376b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 412476b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 412576b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 412676b496b1SEli Britstein act, parse_attr, hdrs, 412776b496b1SEli Britstein &action, extack); 412876b496b1SEli Britstein } else { 412973867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 413076b496b1SEli Britstein } 41311482bd3dSJianbo Liu if (err) 41321482bd3dSJianbo Liu return err; 41331482bd3dSJianbo Liu 4134e85e02baSEli Britstein attr->split_count = attr->out_count; 413573867881SPablo Neira Ayuso break; 4136bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 4137bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 4138bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 4139bdc837eeSEli Britstein act, parse_attr, hdrs, 4140bdc837eeSEli Britstein &action, extack); 4141bdc837eeSEli Britstein if (err) 4142bdc837eeSEli Britstein return err; 4143bdc837eeSEli Britstein 4144bdc837eeSEli Britstein attr->split_count = attr->out_count; 4145bdc837eeSEli Britstein break; 414673867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 41470a7fcb78SPaul Blakey decap = true; 414873867881SPablo Neira Ayuso break; 41492fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 41502fbbc30dSEli Cohen err = mlx5_validate_goto_chain(esw, flow, act, action, 41512fbbc30dSEli Cohen extack); 41522fbbc30dSEli Cohen if (err) 41532fbbc30dSEli Cohen return err; 4154bf07aa73SPaul Blakey 4155e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 41562fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 415773867881SPablo Neira Ayuso break; 41584c3844d9SPaul Blakey case FLOW_ACTION_CT: 41594c3844d9SPaul Blakey err = mlx5_tc_ct_parse_action(priv, attr, act, extack); 41604c3844d9SPaul Blakey if (err) 41614c3844d9SPaul Blakey return err; 41624c3844d9SPaul Blakey 41634c3844d9SPaul Blakey flow_flag_set(flow, CT); 41644c3844d9SPaul Blakey break; 416573867881SPablo Neira Ayuso default: 41662cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 41672cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 416803a9d11eSOr Gerlitz } 416973867881SPablo Neira Ayuso } 4170bdd66ac0SOr Gerlitz 41710bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 41720bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 41730bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 41740bac1194SEli Britstein * tag rewrite. 41750bac1194SEli Britstein */ 41760bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 41770bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 41780bac1194SEli Britstein &action, extack); 41790bac1194SEli Britstein if (err) 41800bac1194SEli Britstein return err; 41810bac1194SEli Britstein } 41820bac1194SEli Britstein 4183c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 4184c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 418584be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 418627c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 4187c500c86bSPablo Neira Ayuso if (err) 4188c500c86bSPablo Neira Ayuso return err; 418927c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 419027c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 419127c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 419227c11b6bSEli Britstein */ 41936ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 419427c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 41956ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 419627c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 419727c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 419827c11b6bSEli Britstein attr->split_count = 0; 419927c11b6bSEli Britstein } 4200c500c86bSPablo Neira Ayuso } 4201c500c86bSPablo Neira Ayuso 42021cab1cd7SOr Gerlitz attr->action = action; 420373867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4204bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4205bdd66ac0SOr Gerlitz 4206e88afe75SOr Gerlitz if (attr->dest_chain) { 42070a7fcb78SPaul Blakey if (decap) { 42080a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 42090a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 42100a7fcb78SPaul Blakey * this tunnel id with this decap flow. 42110a7fcb78SPaul Blakey * 42120a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 42130a7fcb78SPaul Blakey * device. 42140a7fcb78SPaul Blakey */ 42150a7fcb78SPaul Blakey 42160a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 42170a7fcb78SPaul Blakey "Decap with goto isn't supported"); 42180a7fcb78SPaul Blakey netdev_warn(priv->netdev, 42190a7fcb78SPaul Blakey "Decap with goto isn't supported"); 42200a7fcb78SPaul Blakey return -EOPNOTSUPP; 42210a7fcb78SPaul Blakey } 42220a7fcb78SPaul Blakey 4223e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 422461644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 422561644c3dSRoi Dayan "Mirroring goto chain rules isn't supported"); 4226e88afe75SOr Gerlitz return -EOPNOTSUPP; 4227e88afe75SOr Gerlitz } 4228e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4229e88afe75SOr Gerlitz } 4230e88afe75SOr Gerlitz 4231ae2741e2SVlad Buslov if (!(attr->action & 4232ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 423361644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 423461644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 4235ae2741e2SVlad Buslov return -EOPNOTSUPP; 4236ae2741e2SVlad Buslov } 4237ae2741e2SVlad Buslov 4238e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4239e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4240e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4241592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4242592d3651SChris Mi return -EOPNOTSUPP; 4243592d3651SChris Mi } 4244592d3651SChris Mi 424531c8eba5SOr Gerlitz return 0; 424603a9d11eSOr Gerlitz } 424703a9d11eSOr Gerlitz 4248226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 424960bd4af8SOr Gerlitz { 4250226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 425160bd4af8SOr Gerlitz 4252226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4253226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4254226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4255226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 425660bd4af8SOr Gerlitz 4257226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4258226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4259226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4260226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 426184179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 426284179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4263d9ee0491SOr Gerlitz 426460bd4af8SOr Gerlitz *flow_flags = __flow_flags; 426560bd4af8SOr Gerlitz } 426660bd4af8SOr Gerlitz 426705866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 426805866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 426905866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 427005866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 427105866c82SOr Gerlitz .automatic_shrinking = true, 427205866c82SOr Gerlitz }; 427305866c82SOr Gerlitz 4274226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4275226f2ca3SVlad Buslov unsigned long flags) 427605866c82SOr Gerlitz { 4277655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4278655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4279655dc3d2SOr Gerlitz 4280226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4281655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4282ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4283d9ee0491SOr Gerlitz } else /* NIC offload */ 428405866c82SOr Gerlitz return &priv->fs.tc.ht; 428505866c82SOr Gerlitz } 428605866c82SOr Gerlitz 428704de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 428804de7ddaSRoi Dayan { 42891418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 4290b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 4291226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 42921418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 42931418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 42941418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 42951418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 42961418ddd9SAviv Heller 429710fbb1cdSRoi Dayan if (!esw_paired) 429810fbb1cdSRoi Dayan return false; 429910fbb1cdSRoi Dayan 430010fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 430110fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 430210fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 430310fbb1cdSRoi Dayan return true; 430410fbb1cdSRoi Dayan 430510fbb1cdSRoi Dayan return false; 430604de7ddaSRoi Dayan } 430704de7ddaSRoi Dayan 4308a88780a9SRoi Dayan static int 4309a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4310226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4311a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4312a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4313e3a2b7edSAmir Vadai { 431417091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 43153bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 43165a7e5bcbSVlad Buslov int out_index, err; 4317776b12b6SOr Gerlitz 431865ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 43191b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 432017091853SOr Gerlitz if (!parse_attr || !flow) { 4321e3a2b7edSAmir Vadai err = -ENOMEM; 4322e3a2b7edSAmir Vadai goto err_free; 4323e3a2b7edSAmir Vadai } 4324e3a2b7edSAmir Vadai 4325e3a2b7edSAmir Vadai flow->cookie = f->cookie; 432665ba8fb7SOr Gerlitz flow->flags = flow_flags; 4327655dc3d2SOr Gerlitz flow->priv = priv; 43285a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 43295a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 43305a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 433114e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 43325a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 433395435ad7SVlad Buslov init_completion(&flow->init_done); 4334e3a2b7edSAmir Vadai 4335a88780a9SRoi Dayan *__flow = flow; 4336a88780a9SRoi Dayan *__parse_attr = parse_attr; 4337a88780a9SRoi Dayan 4338a88780a9SRoi Dayan return 0; 4339a88780a9SRoi Dayan 4340a88780a9SRoi Dayan err_free: 4341a88780a9SRoi Dayan kfree(flow); 4342a88780a9SRoi Dayan kvfree(parse_attr); 4343a88780a9SRoi Dayan return err; 4344adb4c123SOr Gerlitz } 4345adb4c123SOr Gerlitz 4346988ab9c7STonghao Zhang static void 4347988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 4348988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4349988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4350f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4351988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4352988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4353988ab9c7STonghao Zhang { 4354988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4355988ab9c7STonghao Zhang 4356988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 4357988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 4358ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 4359988ab9c7STonghao Zhang 4360988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4361988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4362988ab9c7STonghao Zhang 4363988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4364988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4365988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4366988ab9c7STonghao Zhang else 4367988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4368988ab9c7STonghao Zhang } 4369988ab9c7STonghao Zhang 437071129676SJason Gunthorpe static struct mlx5e_tc_flow * 437104de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4372f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4373226f2ca3SVlad Buslov unsigned long flow_flags, 4374d11afc26SOz Shlomo struct net_device *filter_dev, 437504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 437671129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4377a88780a9SRoi Dayan { 4378f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4379a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4380a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4381a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4382a88780a9SRoi Dayan int attr_size, err; 4383a88780a9SRoi Dayan 4384226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4385a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4386a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4387a88780a9SRoi Dayan &parse_attr, &flow); 4388a88780a9SRoi Dayan if (err) 4389a88780a9SRoi Dayan goto out; 4390988ab9c7STonghao Zhang 4391d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4392988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 4393988ab9c7STonghao Zhang priv, parse_attr, 4394988ab9c7STonghao Zhang f, in_rep, in_mdev); 4395988ab9c7STonghao Zhang 439654c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 439754c177caSOz Shlomo f, filter_dev); 4398d11afc26SOz Shlomo if (err) 4399d11afc26SOz Shlomo goto err_free; 4400a88780a9SRoi Dayan 44017e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 440254b154ecSEli Britstein err = mlx5_tc_ct_parse_match(priv, &parse_attr->spec, f, 440354b154ecSEli Britstein &flow->esw_attr->ct_attr, extack); 4404a88780a9SRoi Dayan if (err) 4405a88780a9SRoi Dayan goto err_free; 4406a88780a9SRoi Dayan 44077e36feebSPaul Blakey err = parse_tc_fdb_actions(priv, &rule->action, flow, extack, filter_dev); 44084c3844d9SPaul Blakey if (err) 44094c3844d9SPaul Blakey goto err_free; 44104c3844d9SPaul Blakey 44117040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 441295435ad7SVlad Buslov complete_all(&flow->init_done); 4413ef06c9eeSRoi Dayan if (err) { 4414ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4415aa0cbbaeSOr Gerlitz goto err_free; 44165c40348cSOr Gerlitz 4417b4a23329SRoi Dayan add_unready_flow(flow); 4418ef06c9eeSRoi Dayan } 4419ef06c9eeSRoi Dayan 442071129676SJason Gunthorpe return flow; 4421e3a2b7edSAmir Vadai 4422e3a2b7edSAmir Vadai err_free: 44235a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4424a88780a9SRoi Dayan out: 442571129676SJason Gunthorpe return ERR_PTR(err); 4426a88780a9SRoi Dayan } 4427a88780a9SRoi Dayan 4428f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 442995dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4430226f2ca3SVlad Buslov unsigned long flow_flags) 443104de7ddaSRoi Dayan { 443204de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 443304de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 443404de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 443504de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 443604de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 443704de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 443804de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 443904de7ddaSRoi Dayan int err = 0; 444004de7ddaSRoi Dayan 444104de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 444204de7ddaSRoi Dayan if (!peer_esw) 444304de7ddaSRoi Dayan return -ENODEV; 444404de7ddaSRoi Dayan 444504de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 444604de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 444704de7ddaSRoi Dayan 444804de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 444904de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 445004de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 445104de7ddaSRoi Dayan * peer mdev. 445204de7ddaSRoi Dayan */ 4453b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 445404de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 445504de7ddaSRoi Dayan else 445604de7ddaSRoi Dayan in_mdev = priv->mdev; 445704de7ddaSRoi Dayan 445804de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 445995dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 446004de7ddaSRoi Dayan parse_attr->filter_dev, 446171129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 446271129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 446371129676SJason Gunthorpe err = PTR_ERR(peer_flow); 446404de7ddaSRoi Dayan goto out; 446571129676SJason Gunthorpe } 446604de7ddaSRoi Dayan 446704de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4468226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 446904de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 447004de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 447104de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 447204de7ddaSRoi Dayan 447304de7ddaSRoi Dayan out: 447404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 447504de7ddaSRoi Dayan return err; 447604de7ddaSRoi Dayan } 447704de7ddaSRoi Dayan 447804de7ddaSRoi Dayan static int 447904de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4480f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4481226f2ca3SVlad Buslov unsigned long flow_flags, 448204de7ddaSRoi Dayan struct net_device *filter_dev, 448304de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 448404de7ddaSRoi Dayan { 448504de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 448604de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 448704de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 448804de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 448904de7ddaSRoi Dayan int err; 449004de7ddaSRoi Dayan 449171129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 449271129676SJason Gunthorpe in_mdev); 449371129676SJason Gunthorpe if (IS_ERR(flow)) 449471129676SJason Gunthorpe return PTR_ERR(flow); 449504de7ddaSRoi Dayan 449604de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 449795dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 449804de7ddaSRoi Dayan if (err) { 449904de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 450004de7ddaSRoi Dayan goto out; 450104de7ddaSRoi Dayan } 450204de7ddaSRoi Dayan } 450304de7ddaSRoi Dayan 450404de7ddaSRoi Dayan *__flow = flow; 450504de7ddaSRoi Dayan 450604de7ddaSRoi Dayan return 0; 450704de7ddaSRoi Dayan 450804de7ddaSRoi Dayan out: 450904de7ddaSRoi Dayan return err; 451004de7ddaSRoi Dayan } 451104de7ddaSRoi Dayan 4512a88780a9SRoi Dayan static int 4513a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4514f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4515226f2ca3SVlad Buslov unsigned long flow_flags, 4516d11afc26SOz Shlomo struct net_device *filter_dev, 4517a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4518a88780a9SRoi Dayan { 4519f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4520a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4521a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4522a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4523a88780a9SRoi Dayan int attr_size, err; 4524a88780a9SRoi Dayan 4525bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 4526bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4527bf07aa73SPaul Blakey return -EOPNOTSUPP; 4528bf07aa73SPaul Blakey 4529226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4530a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4531a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4532a88780a9SRoi Dayan &parse_attr, &flow); 4533a88780a9SRoi Dayan if (err) 4534a88780a9SRoi Dayan goto out; 4535a88780a9SRoi Dayan 4536d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 453754c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 453854c177caSOz Shlomo f, filter_dev); 4539d11afc26SOz Shlomo if (err) 4540d11afc26SOz Shlomo goto err_free; 4541d11afc26SOz Shlomo 454273867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4543a88780a9SRoi Dayan if (err) 4544a88780a9SRoi Dayan goto err_free; 4545a88780a9SRoi Dayan 4546a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4547a88780a9SRoi Dayan if (err) 4548a88780a9SRoi Dayan goto err_free; 4549a88780a9SRoi Dayan 4550226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4551a88780a9SRoi Dayan kvfree(parse_attr); 4552a88780a9SRoi Dayan *__flow = flow; 4553a88780a9SRoi Dayan 4554a88780a9SRoi Dayan return 0; 4555a88780a9SRoi Dayan 4556a88780a9SRoi Dayan err_free: 45575a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4558a88780a9SRoi Dayan kvfree(parse_attr); 4559a88780a9SRoi Dayan out: 4560a88780a9SRoi Dayan return err; 4561a88780a9SRoi Dayan } 4562a88780a9SRoi Dayan 4563a88780a9SRoi Dayan static int 4564a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4565f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4566226f2ca3SVlad Buslov unsigned long flags, 4567d11afc26SOz Shlomo struct net_device *filter_dev, 4568a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4569a88780a9SRoi Dayan { 4570a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4571226f2ca3SVlad Buslov unsigned long flow_flags; 4572a88780a9SRoi Dayan int err; 4573a88780a9SRoi Dayan 4574a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4575a88780a9SRoi Dayan 4576bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4577bf07aa73SPaul Blakey return -EOPNOTSUPP; 4578bf07aa73SPaul Blakey 4579f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4580d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4581d11afc26SOz Shlomo filter_dev, flow); 4582a88780a9SRoi Dayan else 4583d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4584d11afc26SOz Shlomo filter_dev, flow); 4585a88780a9SRoi Dayan 4586a88780a9SRoi Dayan return err; 4587a88780a9SRoi Dayan } 4588a88780a9SRoi Dayan 4589553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4590553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4591553f9328SVu Pham { 4592553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 45932fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 45942fb15e72SVlad Buslov * function is called from NIC mode. 4595553f9328SVu Pham */ 45962fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4597553f9328SVu Pham } 4598553f9328SVu Pham 459971d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4600226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4601a88780a9SRoi Dayan { 4602a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4603d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4604553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4605a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4606a88780a9SRoi Dayan int err = 0; 4607a88780a9SRoi Dayan 4608c5d326b2SVlad Buslov rcu_read_lock(); 4609c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4610a88780a9SRoi Dayan if (flow) { 4611553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4612553f9328SVu Pham * just return 0. 4613553f9328SVu Pham */ 4614553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4615c1aea9e1SVlad Buslov goto rcu_unlock; 4616553f9328SVu Pham 4617a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4618a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4619a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4620a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4621a88780a9SRoi Dayan f->cookie); 46220e1c1a2fSVlad Buslov err = -EEXIST; 4623c1aea9e1SVlad Buslov goto rcu_unlock; 4624a88780a9SRoi Dayan } 4625c1aea9e1SVlad Buslov rcu_unlock: 4626c1aea9e1SVlad Buslov rcu_read_unlock(); 4627c1aea9e1SVlad Buslov if (flow) 4628c1aea9e1SVlad Buslov goto out; 4629a88780a9SRoi Dayan 46307a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4631d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4632a88780a9SRoi Dayan if (err) 4633a88780a9SRoi Dayan goto out; 4634a88780a9SRoi Dayan 4635553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4636553f9328SVu Pham * set the flow's owner dev. 4637553f9328SVu Pham */ 4638553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4639553f9328SVu Pham flow->orig_dev = dev; 4640553f9328SVu Pham 4641c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4642a88780a9SRoi Dayan if (err) 4643a88780a9SRoi Dayan goto err_free; 4644a88780a9SRoi Dayan 4645a88780a9SRoi Dayan return 0; 4646a88780a9SRoi Dayan 4647a88780a9SRoi Dayan err_free: 46485a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4649a88780a9SRoi Dayan out: 4650e3a2b7edSAmir Vadai return err; 4651e3a2b7edSAmir Vadai } 4652e3a2b7edSAmir Vadai 46538f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 46548f8ae895SOr Gerlitz { 4655226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4656226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 46578f8ae895SOr Gerlitz 4658226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4659226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 46608f8ae895SOr Gerlitz } 46618f8ae895SOr Gerlitz 466271d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4663226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4664e3a2b7edSAmir Vadai { 4665d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4666e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4667c5d326b2SVlad Buslov int err; 4668e3a2b7edSAmir Vadai 4669c5d326b2SVlad Buslov rcu_read_lock(); 4670ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4671c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4672c5d326b2SVlad Buslov err = -EINVAL; 4673c5d326b2SVlad Buslov goto errout; 4674c5d326b2SVlad Buslov } 4675e3a2b7edSAmir Vadai 4676c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4677c5d326b2SVlad Buslov * set. 4678c5d326b2SVlad Buslov */ 4679c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4680c5d326b2SVlad Buslov err = -EINVAL; 4681c5d326b2SVlad Buslov goto errout; 4682c5d326b2SVlad Buslov } 468305866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4684c5d326b2SVlad Buslov rcu_read_unlock(); 4685e3a2b7edSAmir Vadai 46867a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 46875a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4688e3a2b7edSAmir Vadai 4689e3a2b7edSAmir Vadai return 0; 4690c5d326b2SVlad Buslov 4691c5d326b2SVlad Buslov errout: 4692c5d326b2SVlad Buslov rcu_read_unlock(); 4693c5d326b2SVlad Buslov return err; 4694e3a2b7edSAmir Vadai } 4695e3a2b7edSAmir Vadai 469671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4697226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4698aad7e08dSAmir Vadai { 469904de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4700d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 470104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4702aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4703aad7e08dSAmir Vadai struct mlx5_fc *counter; 4704316d5f72SRoi Dayan u64 lastuse = 0; 4705316d5f72SRoi Dayan u64 packets = 0; 4706316d5f72SRoi Dayan u64 bytes = 0; 47075a7e5bcbSVlad Buslov int err = 0; 4708aad7e08dSAmir Vadai 4709c5d326b2SVlad Buslov rcu_read_lock(); 4710c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 47115a7e5bcbSVlad Buslov tc_ht_params)); 4712c5d326b2SVlad Buslov rcu_read_unlock(); 47135a7e5bcbSVlad Buslov if (IS_ERR(flow)) 47145a7e5bcbSVlad Buslov return PTR_ERR(flow); 47155a7e5bcbSVlad Buslov 47165a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 47175a7e5bcbSVlad Buslov err = -EINVAL; 47185a7e5bcbSVlad Buslov goto errout; 47195a7e5bcbSVlad Buslov } 4720aad7e08dSAmir Vadai 47214c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4722b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4723aad7e08dSAmir Vadai if (!counter) 47245a7e5bcbSVlad Buslov goto errout; 4725aad7e08dSAmir Vadai 4726aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4727316d5f72SRoi Dayan } 4728aad7e08dSAmir Vadai 4729316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4730316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4731316d5f72SRoi Dayan */ 473204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 473304de7ddaSRoi Dayan if (!peer_esw) 473404de7ddaSRoi Dayan goto out; 473504de7ddaSRoi Dayan 4736226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4737226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 473804de7ddaSRoi Dayan u64 bytes2; 473904de7ddaSRoi Dayan u64 packets2; 474004de7ddaSRoi Dayan u64 lastuse2; 474104de7ddaSRoi Dayan 474204de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4743316d5f72SRoi Dayan if (!counter) 4744316d5f72SRoi Dayan goto no_peer_counter; 474504de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 474604de7ddaSRoi Dayan 474704de7ddaSRoi Dayan bytes += bytes2; 474804de7ddaSRoi Dayan packets += packets2; 474904de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 475004de7ddaSRoi Dayan } 475104de7ddaSRoi Dayan 4752316d5f72SRoi Dayan no_peer_counter: 475304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 475404de7ddaSRoi Dayan out: 47554b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 475693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 47577a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 47585a7e5bcbSVlad Buslov errout: 47595a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 47605a7e5bcbSVlad Buslov return err; 4761aad7e08dSAmir Vadai } 4762aad7e08dSAmir Vadai 4763fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 4764fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4765fcb64c0fSEli Cohen { 4766fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4767fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 4768fcb64c0fSEli Cohen u16 vport_num; 4769fcb64c0fSEli Cohen u32 rate_mbps; 4770fcb64c0fSEli Cohen int err; 4771fcb64c0fSEli Cohen 4772e401a184SEli Cohen vport_num = rpriv->rep->vport; 4773e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4774e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4775e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4776e401a184SEli Cohen return -EOPNOTSUPP; 4777e401a184SEli Cohen } 4778e401a184SEli Cohen 4779fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4780fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4781fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4782fcb64c0fSEli Cohen * mbit means million bits. 4783fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4784fcb64c0fSEli Cohen * 1 mbit/sec. 4785fcb64c0fSEli Cohen */ 4786fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 4787fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4788fcb64c0fSEli Cohen if (err) 4789fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4790fcb64c0fSEli Cohen 4791fcb64c0fSEli Cohen return err; 4792fcb64c0fSEli Cohen } 4793fcb64c0fSEli Cohen 4794fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4795fcb64c0fSEli Cohen struct flow_action *flow_action, 4796fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4797fcb64c0fSEli Cohen { 4798fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4799fcb64c0fSEli Cohen const struct flow_action_entry *act; 4800fcb64c0fSEli Cohen int err; 4801fcb64c0fSEli Cohen int i; 4802fcb64c0fSEli Cohen 4803fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4804fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4805fcb64c0fSEli Cohen return -EINVAL; 4806fcb64c0fSEli Cohen } 4807fcb64c0fSEli Cohen 4808fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4809fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4810fcb64c0fSEli Cohen return -EOPNOTSUPP; 4811fcb64c0fSEli Cohen } 4812fcb64c0fSEli Cohen 481353eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 4814319a1d19SJiri Pirko return -EOPNOTSUPP; 4815319a1d19SJiri Pirko 4816fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4817fcb64c0fSEli Cohen switch (act->id) { 4818fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 4819fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4820fcb64c0fSEli Cohen if (err) 4821fcb64c0fSEli Cohen return err; 4822fcb64c0fSEli Cohen 4823fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4824fcb64c0fSEli Cohen break; 4825fcb64c0fSEli Cohen default: 4826fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4827fcb64c0fSEli Cohen return -EOPNOTSUPP; 4828fcb64c0fSEli Cohen } 4829fcb64c0fSEli Cohen } 4830fcb64c0fSEli Cohen 4831fcb64c0fSEli Cohen return 0; 4832fcb64c0fSEli Cohen } 4833fcb64c0fSEli Cohen 4834fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4835fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4836fcb64c0fSEli Cohen { 4837b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4838fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4839fcb64c0fSEli Cohen 4840b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 4841b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 4842b5f814ccSEli Cohen return -EOPNOTSUPP; 4843b5f814ccSEli Cohen } 4844b5f814ccSEli Cohen 48457b83355fSEli Cohen if (ma->common.prio != 1) { 4846fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4847fcb64c0fSEli Cohen return -EINVAL; 4848fcb64c0fSEli Cohen } 4849fcb64c0fSEli Cohen 4850fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4851fcb64c0fSEli Cohen } 4852fcb64c0fSEli Cohen 4853fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4854fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4855fcb64c0fSEli Cohen { 4856fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4857fcb64c0fSEli Cohen 4858fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4859fcb64c0fSEli Cohen } 4860fcb64c0fSEli Cohen 4861fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4862fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4863fcb64c0fSEli Cohen { 4864fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4865fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4866fcb64c0fSEli Cohen u64 dbytes; 4867fcb64c0fSEli Cohen u64 dpkts; 4868fcb64c0fSEli Cohen 4869fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4870fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4871fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4872fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 48734b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 487493a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4875fcb64c0fSEli Cohen } 4876fcb64c0fSEli Cohen 48774d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 48784d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 48794d8fcf21SAlaa Hleihel { 48804d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4881db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4882db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 48834d8fcf21SAlaa Hleihel u16 peer_vhca_id; 48844d8fcf21SAlaa Hleihel int bkt; 48854d8fcf21SAlaa Hleihel 48864d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 48874d8fcf21SAlaa Hleihel return; 48884d8fcf21SAlaa Hleihel 48894d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 48904d8fcf21SAlaa Hleihel 4891b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4892db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4893db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4894db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4895b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4896db76ca24SVlad Buslov 4897db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4898db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4899db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4900db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4901db76ca24SVlad Buslov 4902db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4903db76ca24SVlad Buslov } 49044d8fcf21SAlaa Hleihel } 49054d8fcf21SAlaa Hleihel 49064d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 49074d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 49084d8fcf21SAlaa Hleihel { 49094d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 49104d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 49114d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 49124d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 49134d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 49144d8fcf21SAlaa Hleihel 49154d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 49164d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 49174d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 49184d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49194d8fcf21SAlaa Hleihel 49204d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 49214d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 49224d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 49234d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 49244d8fcf21SAlaa Hleihel if (priv == peer_priv || 49254d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 49264d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49274d8fcf21SAlaa Hleihel 49284d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 49294d8fcf21SAlaa Hleihel 49304d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49314d8fcf21SAlaa Hleihel } 49324d8fcf21SAlaa Hleihel 4933655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4934e8f887acSAmir Vadai { 4935acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 49364d8fcf21SAlaa Hleihel int err; 4937e8f887acSAmir Vadai 4938b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4939b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4940b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 49415c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 494211c9c548SOr Gerlitz 49434d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 49444d8fcf21SAlaa Hleihel if (err) 49454d8fcf21SAlaa Hleihel return err; 49464d8fcf21SAlaa Hleihel 49474d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4948d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4949d48834f9SJiri Pirko &tc->netdevice_nb, 4950d48834f9SJiri Pirko &tc->netdevice_nn); 4951d48834f9SJiri Pirko if (err) { 49524d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 49534d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 49544d8fcf21SAlaa Hleihel } 49554d8fcf21SAlaa Hleihel 49564d8fcf21SAlaa Hleihel return err; 4957e8f887acSAmir Vadai } 4958e8f887acSAmir Vadai 4959e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4960e8f887acSAmir Vadai { 4961e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4962655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4963e8f887acSAmir Vadai 4964961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4965e8f887acSAmir Vadai kfree(flow); 4966e8f887acSAmir Vadai } 4967e8f887acSAmir Vadai 4968655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4969e8f887acSAmir Vadai { 4970acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4971e8f887acSAmir Vadai 49724d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4973d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4974d48834f9SJiri Pirko &tc->netdevice_nb, 4975d48834f9SJiri Pirko &tc->netdevice_nn); 49764d8fcf21SAlaa Hleihel 4977b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 4978b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4979b32accdaSVlad Buslov 4980d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4981e8f887acSAmir Vadai 4982acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4983acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4984acff797cSMaor Gottlieb tc->t = NULL; 4985e8f887acSAmir Vadai } 4986b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4987e8f887acSAmir Vadai } 4988655dc3d2SOr Gerlitz 4989655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4990655dc3d2SOr Gerlitz { 4991d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 49920a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 49930a7fcb78SPaul Blakey struct mlx5e_rep_priv *priv; 49940a7fcb78SPaul Blakey struct mapping_ctx *mapping; 49950a7fcb78SPaul Blakey int err; 49960a7fcb78SPaul Blakey 49970a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 49980a7fcb78SPaul Blakey priv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 49990a7fcb78SPaul Blakey 50004c3844d9SPaul Blakey err = mlx5_tc_ct_init(uplink_priv); 50014c3844d9SPaul Blakey if (err) 50024c3844d9SPaul Blakey goto err_ct; 50034c3844d9SPaul Blakey 50040a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 50050a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 50060a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 50070a7fcb78SPaul Blakey err = PTR_ERR(mapping); 50080a7fcb78SPaul Blakey goto err_tun_mapping; 50090a7fcb78SPaul Blakey } 50100a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 50110a7fcb78SPaul Blakey 50120a7fcb78SPaul Blakey mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK, true); 50130a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 50140a7fcb78SPaul Blakey err = PTR_ERR(mapping); 50150a7fcb78SPaul Blakey goto err_enc_opts_mapping; 50160a7fcb78SPaul Blakey } 50170a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 50180a7fcb78SPaul Blakey 50190a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 50200a7fcb78SPaul Blakey if (err) 50210a7fcb78SPaul Blakey goto err_ht_init; 50220a7fcb78SPaul Blakey 50230a7fcb78SPaul Blakey return err; 50240a7fcb78SPaul Blakey 50250a7fcb78SPaul Blakey err_ht_init: 50260a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 50270a7fcb78SPaul Blakey err_enc_opts_mapping: 50280a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 50290a7fcb78SPaul Blakey err_tun_mapping: 50304c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 50314c3844d9SPaul Blakey err_ct: 50320a7fcb78SPaul Blakey netdev_warn(priv->netdev, 50330a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 50340a7fcb78SPaul Blakey return err; 5035655dc3d2SOr Gerlitz } 5036655dc3d2SOr Gerlitz 5037655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5038655dc3d2SOr Gerlitz { 50390a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 50400a7fcb78SPaul Blakey 5041655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 50420a7fcb78SPaul Blakey 50430a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 50440a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 50450a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 50464c3844d9SPaul Blakey 50474c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 5048655dc3d2SOr Gerlitz } 504901252a27SOr Gerlitz 5050226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 505101252a27SOr Gerlitz { 5052d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 505301252a27SOr Gerlitz 505401252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 505501252a27SOr Gerlitz } 505604de7ddaSRoi Dayan 505704de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 505804de7ddaSRoi Dayan { 505904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 506004de7ddaSRoi Dayan 506104de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 506204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 506304de7ddaSRoi Dayan } 5064b4a23329SRoi Dayan 5065b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5066b4a23329SRoi Dayan { 5067b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5068b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5069b4a23329SRoi Dayan reoffload_flows_work); 5070b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5071b4a23329SRoi Dayan 5072ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5073b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5074b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5075ad86755bSVlad Buslov unready_flow_del(flow); 5076b4a23329SRoi Dayan } 5077ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5078b4a23329SRoi Dayan } 5079e2394a61SVlad Buslov 5080e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5081e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5082e2394a61SVlad Buslov unsigned long flags) 5083e2394a61SVlad Buslov { 5084e2394a61SVlad Buslov switch (cls_flower->command) { 5085e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5086e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5087e2394a61SVlad Buslov flags); 5088e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5089e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5090e2394a61SVlad Buslov flags); 5091e2394a61SVlad Buslov case FLOW_CLS_STATS: 5092e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5093e2394a61SVlad Buslov flags); 5094e2394a61SVlad Buslov default: 5095e2394a61SVlad Buslov return -EOPNOTSUPP; 5096e2394a61SVlad Buslov } 5097e2394a61SVlad Buslov } 5098e2394a61SVlad Buslov 5099e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5100e2394a61SVlad Buslov void *cb_priv) 5101e2394a61SVlad Buslov { 5102e2394a61SVlad Buslov unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD); 5103e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5104e2394a61SVlad Buslov 5105e2394a61SVlad Buslov switch (type) { 5106e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5107e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5108e2394a61SVlad Buslov default: 5109e2394a61SVlad Buslov return -EOPNOTSUPP; 5110e2394a61SVlad Buslov } 5111e2394a61SVlad Buslov } 5112