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 1293226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1294b4a23329SRoi Dayan remove_unready_flow(flow); 1295ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1296ef06c9eeSRoi Dayan return; 1297ef06c9eeSRoi Dayan } 1298ef06c9eeSRoi Dayan 1299226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1300226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1301178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 13025dbe906fSPaul Blakey else 13035dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 13045dbe906fSPaul Blakey } 1305d85cdccbSOr Gerlitz 13069272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 13079272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 13089272e3dfSYevgeny Kliteynik 1309513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1310d85cdccbSOr Gerlitz 1311f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 13122a4b6526SVlad Buslov if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 13138c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 13142a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 13152a4b6526SVlad Buslov } 1316f493f155SEli Britstein kvfree(attr->parse_attr); 1317d7e75a32SOr Gerlitz 1318513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 13191a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1320b8aee822SMark Bloch 1321b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1322f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 132314e6b038SEli Cohen 132414e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 132514e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1326d85cdccbSOr Gerlitz } 1327d85cdccbSOr Gerlitz 1328232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 13292a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13302a1f1768SVlad Buslov struct list_head *flow_list) 1331232c0013SHadar Hen Zion { 13323c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1333178f69b4SEli Cohen struct mlx5_esw_flow_attr *esw_attr; 13346d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 13356d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1336232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1337232c0013SHadar Hen Zion int err; 1338232c0013SHadar Hen Zion 13392b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 134054c177caSOz Shlomo e->reformat_type, 1341232c0013SHadar Hen Zion e->encap_size, e->encap_header, 13422b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 13432b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 13442b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 13452b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1346232c0013SHadar Hen Zion return; 1347232c0013SHadar Hen Zion } 1348232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1349f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1350232c0013SHadar Hen Zion 13512a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 13528c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 13538c4dc42bSEli Britstein int i; 13548c4dc42bSEli Britstein 135595435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 135695435ad7SVlad Buslov continue; 13573c37745eSOr Gerlitz esw_attr = flow->esw_attr; 13586d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 13596d2a3ed0SOr Gerlitz 13602b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 13612a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 13628c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 13638c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 13648c4dc42bSEli Britstein * a valid neighbour. 13658c4dc42bSEli Britstein */ 13668c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 13678c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 13688c4dc42bSEli Britstein continue; 13698c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 13708c4dc42bSEli Britstein all_flow_encaps_valid = false; 13718c4dc42bSEli Britstein break; 13728c4dc42bSEli Britstein } 13738c4dc42bSEli Britstein } 13748c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 13758c4dc42bSEli Britstein if (!all_flow_encaps_valid) 13762a1f1768SVlad Buslov continue; 13775dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 13786d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 13796d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 13806d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1381232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1382232c0013SHadar Hen Zion err); 13832a1f1768SVlad Buslov continue; 1384232c0013SHadar Hen Zion } 13855dbe906fSPaul Blakey 1386178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 13876d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1388226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1389226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1390232c0013SHadar Hen Zion } 1391232c0013SHadar Hen Zion } 1392232c0013SHadar Hen Zion 1393232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 13942a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 13952a1f1768SVlad Buslov struct list_head *flow_list) 1396232c0013SHadar Hen Zion { 13973c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 13985dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 13995dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1400232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 14015dbe906fSPaul Blakey int err; 1402232c0013SHadar Hen Zion 14032a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 140495435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 140595435ad7SVlad Buslov continue; 14065dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 14075dbe906fSPaul Blakey 14085dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 1409178f69b4SEli Cohen rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec); 14108c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 14112a1f1768SVlad Buslov flow->esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 14125dbe906fSPaul Blakey 14135dbe906fSPaul Blakey if (IS_ERR(rule)) { 14145dbe906fSPaul Blakey err = PTR_ERR(rule); 14155dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 14165dbe906fSPaul Blakey err); 14172a1f1768SVlad Buslov continue; 14185dbe906fSPaul Blakey } 14195dbe906fSPaul Blakey 14206d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 14215dbe906fSPaul Blakey flow->rule[0] = rule; 1422226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1423226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1424232c0013SHadar Hen Zion } 1425232c0013SHadar Hen Zion 142661c806daSOr Gerlitz /* we know that the encap is valid */ 1427232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 14282b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1429232c0013SHadar Hen Zion } 1430232c0013SHadar Hen Zion 1431b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1432b8aee822SMark Bloch { 1433226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1434b8aee822SMark Bloch return flow->esw_attr->counter; 1435b8aee822SMark Bloch else 1436b8aee822SMark Bloch return flow->nic_attr->counter; 1437b8aee822SMark Bloch } 1438b8aee822SMark Bloch 14392a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 14402a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 14412a1f1768SVlad Buslov */ 14422a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 14432a1f1768SVlad Buslov { 14442a1f1768SVlad Buslov struct encap_flow_item *efi; 14452a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 14462a1f1768SVlad Buslov 14472a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 14482a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 14492a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 14502a1f1768SVlad Buslov continue; 145195435ad7SVlad Buslov wait_for_completion(&flow->init_done); 14522a1f1768SVlad Buslov 14532a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 14542a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 14552a1f1768SVlad Buslov } 14562a1f1768SVlad Buslov } 14572a1f1768SVlad Buslov 14586a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 14592a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 14606a06c2f7SVlad Buslov { 14616a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 14626a06c2f7SVlad Buslov 14636a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 14646a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 14656a06c2f7SVlad Buslov } 14666a06c2f7SVlad Buslov 1467ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1468ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1469ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1470ac0d9176SVlad Buslov { 1471ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1472ac0d9176SVlad Buslov 1473ac0d9176SVlad Buslov retry: 1474ac0d9176SVlad Buslov rcu_read_lock(); 1475ac0d9176SVlad Buslov 1476ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1477ac0d9176SVlad Buslov for (next = e ? 1478ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1479ac0d9176SVlad Buslov &e->encap_list, 1480ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1481ac0d9176SVlad Buslov encap_list) : 1482ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1483ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1484ac0d9176SVlad Buslov encap_list); 1485ac0d9176SVlad Buslov next; 1486ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1487ac0d9176SVlad Buslov &next->encap_list, 1488ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1489ac0d9176SVlad Buslov encap_list)) 1490ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1491ac0d9176SVlad Buslov break; 1492ac0d9176SVlad Buslov 1493ac0d9176SVlad Buslov rcu_read_unlock(); 1494ac0d9176SVlad Buslov 1495ac0d9176SVlad Buslov /* release starting encap */ 1496ac0d9176SVlad Buslov if (e) 1497ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1498ac0d9176SVlad Buslov if (!next) 1499ac0d9176SVlad Buslov return next; 1500ac0d9176SVlad Buslov 1501ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1502ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1503ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1504ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1505ac0d9176SVlad Buslov e = next; 1506ac0d9176SVlad Buslov goto retry; 1507ac0d9176SVlad Buslov } 1508ac0d9176SVlad Buslov 1509ac0d9176SVlad Buslov return next; 1510ac0d9176SVlad Buslov } 1511ac0d9176SVlad Buslov 1512f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1513f6dfb4c3SHadar Hen Zion { 1514f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1515ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1516f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1517f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1518f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1519f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1520f6dfb4c3SHadar Hen Zion struct neighbour *n; 152190bb7692SAriel Levkovich u64 lastuse; 1522f6dfb4c3SHadar Hen Zion 1523f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1524f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1525f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1526f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 15275cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1528f6dfb4c3SHadar Hen Zion #endif 1529f6dfb4c3SHadar Hen Zion else 1530f6dfb4c3SHadar Hen Zion return; 1531f6dfb4c3SHadar Hen Zion 1532ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1533ac0d9176SVlad Buslov * next one. 1534ac0d9176SVlad Buslov */ 1535ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 15366a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 15375a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 15386a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 15396a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1540948993f2SVlad Buslov 15416a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 15426a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 15435a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 154479baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 154579baaec7SEli Britstein encaps[efi->index]); 15465a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15475a7e5bcbSVlad Buslov continue; 15486a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 15495a7e5bcbSVlad Buslov 1550226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1551b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 155290bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1553f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1554f6dfb4c3SHadar Hen Zion neigh_used = true; 1555f6dfb4c3SHadar Hen Zion break; 1556f6dfb4c3SHadar Hen Zion } 1557f6dfb4c3SHadar Hen Zion } 1558f6dfb4c3SHadar Hen Zion } 15596a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1560948993f2SVlad Buslov 15616a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1562ac0d9176SVlad Buslov if (neigh_used) { 1563ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 15646a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1565e36d4810SRoi Dayan break; 1566f6dfb4c3SHadar Hen Zion } 1567ac0d9176SVlad Buslov } 1568f6dfb4c3SHadar Hen Zion 1569c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1570c786fe59SVlad Buslov 1571f6dfb4c3SHadar Hen Zion if (neigh_used) { 1572f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1573f6dfb4c3SHadar Hen Zion 1574f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1575f6dfb4c3SHadar Hen Zion * dst ip pair 1576f6dfb4c3SHadar Hen Zion */ 1577f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1578c7f7ba8dSRoi Dayan if (!n) 1579f6dfb4c3SHadar Hen Zion return; 1580f6dfb4c3SHadar Hen Zion 1581f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1582f6dfb4c3SHadar Hen Zion neigh_release(n); 1583f6dfb4c3SHadar Hen Zion } 1584f6dfb4c3SHadar Hen Zion } 1585f6dfb4c3SHadar Hen Zion 158661086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1587d85cdccbSOr Gerlitz { 1588948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 15893c140dd5SVlad Buslov 15903c140dd5SVlad Buslov if (e->compl_result > 0) { 1591232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1592232c0013SHadar Hen Zion 1593232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 15942b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 15953c140dd5SVlad Buslov } 1596232c0013SHadar Hen Zion 15972a4b6526SVlad Buslov kfree(e->tun_info); 1598232c0013SHadar Hen Zion kfree(e->encap_header); 1599ac0d9176SVlad Buslov kfree_rcu(e, rcu); 16005067b602SRoi Dayan } 1601948993f2SVlad Buslov 160214e6b038SEli Cohen static void mlx5e_decap_dealloc(struct mlx5e_priv *priv, 160314e6b038SEli Cohen struct mlx5e_decap_entry *d) 160414e6b038SEli Cohen { 160514e6b038SEli Cohen WARN_ON(!list_empty(&d->flows)); 160614e6b038SEli Cohen 160714e6b038SEli Cohen if (!d->compl_result) 160814e6b038SEli Cohen mlx5_packet_reformat_dealloc(priv->mdev, d->pkt_reformat); 160914e6b038SEli Cohen 161014e6b038SEli Cohen kfree_rcu(d, rcu); 161114e6b038SEli Cohen } 161214e6b038SEli Cohen 161361086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 161461086f39SVlad Buslov { 161561086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 161661086f39SVlad Buslov 161761086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 161861086f39SVlad Buslov return; 161961086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 162061086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 162161086f39SVlad Buslov 162261086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 162361086f39SVlad Buslov } 162461086f39SVlad Buslov 162514e6b038SEli Cohen static void mlx5e_decap_put(struct mlx5e_priv *priv, struct mlx5e_decap_entry *d) 162614e6b038SEli Cohen { 162714e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 162814e6b038SEli Cohen 162914e6b038SEli Cohen if (!refcount_dec_and_mutex_lock(&d->refcnt, &esw->offloads.decap_tbl_lock)) 163014e6b038SEli Cohen return; 163114e6b038SEli Cohen hash_del_rcu(&d->hlist); 163214e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 163314e6b038SEli Cohen 163414e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 163514e6b038SEli Cohen } 163614e6b038SEli Cohen 1637948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1638948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1639948993f2SVlad Buslov { 164061086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 164161086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 164261086f39SVlad Buslov 1643948993f2SVlad Buslov /* flow wasn't fully initialized */ 164461086f39SVlad Buslov if (!e) 1645948993f2SVlad Buslov return; 1646948993f2SVlad Buslov 164761086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1648948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1649948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 165061086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 165161086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 165261086f39SVlad Buslov return; 165361086f39SVlad Buslov } 165461086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 165561086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 165661086f39SVlad Buslov 165761086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 16585067b602SRoi Dayan } 16595067b602SRoi Dayan 166014e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 166114e6b038SEli Cohen struct mlx5e_tc_flow *flow) 166214e6b038SEli Cohen { 166314e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 166414e6b038SEli Cohen struct mlx5e_decap_entry *d = flow->decap_reformat; 166514e6b038SEli Cohen 166614e6b038SEli Cohen if (!d) 166714e6b038SEli Cohen return; 166814e6b038SEli Cohen 166914e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 167014e6b038SEli Cohen list_del(&flow->l3_to_l2_reformat); 167114e6b038SEli Cohen flow->decap_reformat = NULL; 167214e6b038SEli Cohen 167314e6b038SEli Cohen if (!refcount_dec_and_test(&d->refcnt)) { 167414e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 167514e6b038SEli Cohen return; 167614e6b038SEli Cohen } 167714e6b038SEli Cohen hash_del_rcu(&d->hlist); 167814e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 167914e6b038SEli Cohen 168014e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 168114e6b038SEli Cohen } 168214e6b038SEli Cohen 168304de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 168404de7ddaSRoi Dayan { 168504de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 168604de7ddaSRoi Dayan 1687226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1688226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 168904de7ddaSRoi Dayan return; 169004de7ddaSRoi Dayan 169104de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 169204de7ddaSRoi Dayan list_del(&flow->peer); 169304de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 169404de7ddaSRoi Dayan 1695226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 169604de7ddaSRoi Dayan 1697eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 169804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1699a23dae79SRoi Dayan kfree(flow->peer_flow); 1700eb252c3aSRoi Dayan } 1701eb252c3aSRoi Dayan 170204de7ddaSRoi Dayan flow->peer_flow = NULL; 170304de7ddaSRoi Dayan } 170404de7ddaSRoi Dayan 170504de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 170604de7ddaSRoi Dayan { 170704de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 170804de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 170904de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 171004de7ddaSRoi Dayan 171104de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 171204de7ddaSRoi Dayan if (!peer_esw) 171304de7ddaSRoi Dayan return; 171404de7ddaSRoi Dayan 171504de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 171604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 171704de7ddaSRoi Dayan } 171804de7ddaSRoi Dayan 1719e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1720961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1721e8f887acSAmir Vadai { 1722226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 172304de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1724d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 172504de7ddaSRoi Dayan } else { 1726d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1727e8f887acSAmir Vadai } 172804de7ddaSRoi Dayan } 1729e8f887acSAmir Vadai 17300a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1731bbd00f7eSHadar Hen Zion { 1732f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17330a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 17340a7fcb78SPaul Blakey const struct flow_action_entry *act; 17350a7fcb78SPaul Blakey int i; 1736bbd00f7eSHadar Hen Zion 17370a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 17380a7fcb78SPaul Blakey switch (act->id) { 17390a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 17400a7fcb78SPaul Blakey return true; 17410a7fcb78SPaul Blakey default: 17420a7fcb78SPaul Blakey continue; 1743fe1587a7SDmytro Linkin } 17442e72eb43SOr Gerlitz } 1745bbd00f7eSHadar Hen Zion 17460a7fcb78SPaul Blakey return false; 17470a7fcb78SPaul Blakey } 1748bcef735cSOr Gerlitz 17490a7fcb78SPaul Blakey static int 17500a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 17510a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 17520a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 17530a7fcb78SPaul Blakey bool *dont_care) 17540a7fcb78SPaul Blakey { 17550a7fcb78SPaul Blakey struct geneve_opt *opt; 17560a7fcb78SPaul Blakey int off = 0; 1757bcef735cSOr Gerlitz 17580a7fcb78SPaul Blakey *dont_care = true; 1759bcef735cSOr Gerlitz 17600a7fcb78SPaul Blakey while (opts->len > off) { 17610a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1762e98bedf5SEli Britstein 17630a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 17640a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 17650a7fcb78SPaul Blakey *dont_care = false; 17660a7fcb78SPaul Blakey 1767c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1768d7a42ad0SRoi Dayan opt->type != U8_MAX) { 17690a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 17700a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 17710a7fcb78SPaul Blakey netdev_warn(priv->netdev, 17720a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1773e98bedf5SEli Britstein return -EOPNOTSUPP; 1774e98bedf5SEli Britstein } 1775bcef735cSOr Gerlitz } 1776bcef735cSOr Gerlitz 17770a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1778bbd00f7eSHadar Hen Zion } 1779bbd00f7eSHadar Hen Zion 1780bbd00f7eSHadar Hen Zion return 0; 1781bbd00f7eSHadar Hen Zion } 1782bbd00f7eSHadar Hen Zion 17830a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 17840a7fcb78SPaul Blakey ({ \ 17850a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 17860a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 17870a7fcb78SPaul Blakey \ 17880a7fcb78SPaul Blakey memcpy(__dst,\ 17890a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 17900a7fcb78SPaul Blakey diss_key,\ 17910a7fcb78SPaul Blakey __rule->match.key),\ 17920a7fcb78SPaul Blakey sizeof(*__dst));\ 17930a7fcb78SPaul Blakey }) 17940a7fcb78SPaul Blakey 17950a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 17960a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 17970a7fcb78SPaul Blakey struct flow_cls_offload *f, 17980a7fcb78SPaul Blakey struct net_device *filter_dev) 17998377629eSEli Britstein { 18000a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18010a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 18020a7fcb78SPaul Blakey struct mlx5_esw_flow_attr *attr = flow->esw_attr; 18030a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 18040a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1805d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 18060a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18070a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18080a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 18090a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 18100a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 18110a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18120a7fcb78SPaul Blakey u32 value, mask; 18130a7fcb78SPaul Blakey int err; 18140a7fcb78SPaul Blakey 18150a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 18160a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18170a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18180a7fcb78SPaul Blakey 18190a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 18200a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 18210a7fcb78SPaul Blakey &tunnel_key.enc_control); 18220a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 18230a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 18240a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 18250a7fcb78SPaul Blakey else 18260a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 18270a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 18280a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 18290a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 18300a7fcb78SPaul Blakey &tunnel_key.enc_tp); 18310a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 18320a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 18330a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 18340a7fcb78SPaul Blakey 18350a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 18360a7fcb78SPaul Blakey if (err) 18370a7fcb78SPaul Blakey return err; 18380a7fcb78SPaul Blakey 18390a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 18400a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 18410a7fcb78SPaul Blakey enc_opts_match.mask, 18420a7fcb78SPaul Blakey extack, 18430a7fcb78SPaul Blakey &enc_opts_is_dont_care); 18440a7fcb78SPaul Blakey if (err) 18450a7fcb78SPaul Blakey goto err_enc_opts; 18460a7fcb78SPaul Blakey 18470a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1848d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1849d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1850d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1851d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1852d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1853d7a42ad0SRoi Dayan 18540a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1855d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 18560a7fcb78SPaul Blakey if (err) 18570a7fcb78SPaul Blakey goto err_enc_opts; 18580a7fcb78SPaul Blakey } 18590a7fcb78SPaul Blakey 18600a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 18610a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 18620a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 18630a7fcb78SPaul Blakey 18640a7fcb78SPaul Blakey if (attr->chain) { 18650a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 18660a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 18670a7fcb78SPaul Blakey } else { 18680a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 18690a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 18700a7fcb78SPaul Blakey mod_hdr_acts, 18710a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 18720a7fcb78SPaul Blakey if (err) 18730a7fcb78SPaul Blakey goto err_set; 18740a7fcb78SPaul Blakey 18750a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 18760a7fcb78SPaul Blakey } 18770a7fcb78SPaul Blakey 18780a7fcb78SPaul Blakey flow->tunnel_id = value; 18790a7fcb78SPaul Blakey return 0; 18800a7fcb78SPaul Blakey 18810a7fcb78SPaul Blakey err_set: 18820a7fcb78SPaul Blakey if (enc_opts_id) 18830a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18840a7fcb78SPaul Blakey enc_opts_id); 18850a7fcb78SPaul Blakey err_enc_opts: 18860a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18870a7fcb78SPaul Blakey return err; 18880a7fcb78SPaul Blakey } 18890a7fcb78SPaul Blakey 18900a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 18910a7fcb78SPaul Blakey { 18920a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 18930a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 18940a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18950a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18960a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18970a7fcb78SPaul Blakey 18980a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 18990a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 19000a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 19010a7fcb78SPaul Blakey 19020a7fcb78SPaul Blakey if (tun_id) 19030a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19040a7fcb78SPaul Blakey if (enc_opts_id) 19050a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19060a7fcb78SPaul Blakey enc_opts_id); 19070a7fcb78SPaul Blakey } 19080a7fcb78SPaul Blakey 19094c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 19104c3844d9SPaul Blakey { 19114c3844d9SPaul Blakey return flow->tunnel_id; 19124c3844d9SPaul Blakey } 19134c3844d9SPaul Blakey 1914fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1915fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1916fca53304SEli Britstein void *headers_c, void *headers_v) 19174a5d5d73SEli Britstein { 1918fca53304SEli Britstein bool ip_version_cap; 1919fca53304SEli Britstein 1920fca53304SEli Britstein ip_version_cap = outer ? 1921fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1922fca53304SEli Britstein ft_field_support.outer_ip_version) : 1923fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1924fca53304SEli Britstein ft_field_support.inner_ip_version); 1925fca53304SEli Britstein 1926fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1927fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1928fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1929fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1930fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1931fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1932fca53304SEli Britstein } else { 19334a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 19344a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 19354a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 19364a5d5d73SEli Britstein ntohs(match->key->n_proto)); 19374a5d5d73SEli Britstein } 1938fca53304SEli Britstein } 19394a5d5d73SEli Britstein 19400a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 19410a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19420a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 19430a7fcb78SPaul Blakey struct flow_cls_offload *f, 19440a7fcb78SPaul Blakey struct net_device *filter_dev, 19450a7fcb78SPaul Blakey u8 *match_level, 19460a7fcb78SPaul Blakey bool *match_inner) 19470a7fcb78SPaul Blakey { 19480a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 19490a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19500a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 19510a7fcb78SPaul Blakey int err; 19520a7fcb78SPaul Blakey 19530a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 19540a7fcb78SPaul Blakey return -EOPNOTSUPP; 19550a7fcb78SPaul Blakey 19560a7fcb78SPaul Blakey needs_mapping = !!flow->esw_attr->chain; 19570a7fcb78SPaul Blakey sets_mapping = !flow->esw_attr->chain && flow_has_tc_fwd_action(f); 19580a7fcb78SPaul Blakey *match_inner = !needs_mapping; 19590a7fcb78SPaul Blakey 19600a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1961636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 19620a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 1963636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19640a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1965636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19660a7fcb78SPaul Blakey return -EOPNOTSUPP; 19670a7fcb78SPaul Blakey } 19680a7fcb78SPaul Blakey 19690a7fcb78SPaul Blakey if (!flow->esw_attr->chain) { 19700a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 19710a7fcb78SPaul Blakey match_level); 19720a7fcb78SPaul Blakey if (err) { 19730a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 19740a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19750a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19760a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19770a7fcb78SPaul Blakey return err; 19780a7fcb78SPaul Blakey } 19790a7fcb78SPaul Blakey 198014e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 198114e6b038SEli Cohen * object 198214e6b038SEli Cohen */ 198314e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 19840a7fcb78SPaul Blakey flow->esw_attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 19850a7fcb78SPaul Blakey } 19860a7fcb78SPaul Blakey 19870a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 19880a7fcb78SPaul Blakey return 0; 19890a7fcb78SPaul Blakey 19900a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 19910a7fcb78SPaul Blakey } 19920a7fcb78SPaul Blakey 19930a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 19940a7fcb78SPaul Blakey { 19950a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 19960a7fcb78SPaul Blakey inner_headers); 19970a7fcb78SPaul Blakey } 19980a7fcb78SPaul Blakey 19990a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 20000a7fcb78SPaul Blakey { 20010a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20020a7fcb78SPaul Blakey inner_headers); 20030a7fcb78SPaul Blakey } 20040a7fcb78SPaul Blakey 20050a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 20060a7fcb78SPaul Blakey { 20070a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20080a7fcb78SPaul Blakey outer_headers); 20090a7fcb78SPaul Blakey } 20100a7fcb78SPaul Blakey 20110a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 20120a7fcb78SPaul Blakey { 20130a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20148377629eSEli Britstein outer_headers); 20158377629eSEli Britstein } 20168377629eSEli Britstein 20178377629eSEli Britstein static void *get_match_headers_value(u32 flags, 20188377629eSEli Britstein struct mlx5_flow_spec *spec) 20198377629eSEli Britstein { 20208377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20210a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 20220a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 20230a7fcb78SPaul Blakey } 20240a7fcb78SPaul Blakey 20250a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 20260a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 20270a7fcb78SPaul Blakey { 20280a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20290a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 20300a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 20318377629eSEli Britstein } 20328377629eSEli Britstein 20336d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 20346d65bc64Swenxu struct flow_cls_offload *f) 20356d65bc64Swenxu { 20366d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20376d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 20386d65bc64Swenxu struct net_device *ingress_dev; 20396d65bc64Swenxu struct flow_match_meta match; 20406d65bc64Swenxu 20416d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 20426d65bc64Swenxu return 0; 20436d65bc64Swenxu 20446d65bc64Swenxu flow_rule_match_meta(rule, &match); 20456d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 20466d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2047a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20486d65bc64Swenxu } 20496d65bc64Swenxu 20506d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 20516d65bc64Swenxu match.key->ingress_ifindex); 20526d65bc64Swenxu if (!ingress_dev) { 20536d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20546d65bc64Swenxu "Can't find the ingress port to match on"); 2055a683012aSPablo Neira Ayuso return -ENOENT; 20566d65bc64Swenxu } 20576d65bc64Swenxu 20586d65bc64Swenxu if (ingress_dev != filter_dev) { 20596d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20606d65bc64Swenxu "Can't match on the ingress filter port"); 2061a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20626d65bc64Swenxu } 20636d65bc64Swenxu 20646d65bc64Swenxu return 0; 20656d65bc64Swenxu } 20666d65bc64Swenxu 206772046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 206872046a91SEli Cohen struct flow_cls_offload *f) 206972046a91SEli Cohen { 207072046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 207172046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 207272046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 207372046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 207472046a91SEli Cohen */ 207572046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 207672046a91SEli Cohen return true; 207772046a91SEli Cohen 207872046a91SEli Cohen return false; 207972046a91SEli Cohen } 208072046a91SEli Cohen 2081de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 20820a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2083de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2084f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 208554c177caSOz Shlomo struct net_device *filter_dev, 208693b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2087e3a2b7edSAmir Vadai { 2088e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2089c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2090c5bb1730SMaor Gottlieb outer_headers); 2091c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2092c5bb1730SMaor Gottlieb outer_headers); 2093699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2094699e96ddSJianbo Liu misc_parameters); 2095699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2096699e96ddSJianbo Liu misc_parameters); 2097f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20988f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2099e3a2b7edSAmir Vadai u16 addr_type = 0; 2100e3a2b7edSAmir Vadai u8 ip_proto = 0; 210193b3586eSHuy Nguyen u8 *match_level; 21026d65bc64Swenxu int err; 2103e3a2b7edSAmir Vadai 210493b3586eSHuy Nguyen match_level = outer_match_level; 2105de0af0bfSRoi Dayan 21068f256622SPablo Neira Ayuso if (dissector->used_keys & 21073d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 21083d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2109e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2110e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2111095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2112699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2113e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2114e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2115bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2116bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2117bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2118bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2119bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2120e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2121fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2122bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 21234c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 21249272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 212572046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 212672046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2127e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 2128e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 21298f256622SPablo Neira Ayuso dissector->used_keys); 2130e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2131e3a2b7edSAmir Vadai } 2132e3a2b7edSAmir Vadai 2133075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 21340a7fcb78SPaul Blakey bool match_inner = false; 2135bbd00f7eSHadar Hen Zion 21360a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 21370a7fcb78SPaul Blakey outer_match_level, &match_inner); 21380a7fcb78SPaul Blakey if (err) 21390a7fcb78SPaul Blakey return err; 21400a7fcb78SPaul Blakey 21410a7fcb78SPaul Blakey if (match_inner) { 21420a7fcb78SPaul Blakey /* header pointers should point to the inner headers 21430a7fcb78SPaul Blakey * if the packet was decapsulated already. 21440a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2145bbd00f7eSHadar Hen Zion */ 214693b3586eSHuy Nguyen match_level = inner_match_level; 21470a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 21480a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 21490a7fcb78SPaul Blakey } 2150bbd00f7eSHadar Hen Zion } 2151bbd00f7eSHadar Hen Zion 21526d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 21536d65bc64Swenxu if (err) 21546d65bc64Swenxu return err; 21556d65bc64Swenxu 215672046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 215772046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 21588f256622SPablo Neira Ayuso struct flow_match_basic match; 2159e3a2b7edSAmir Vadai 21608f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2161fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2162fca53304SEli Britstein match_level == outer_match_level, 2163fca53304SEli Britstein headers_c, headers_v); 21648f256622SPablo Neira Ayuso 21658f256622SPablo Neira Ayuso if (match.mask->n_proto) 2166d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2167e3a2b7edSAmir Vadai } 216835a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 216935a605dbSEli Britstein is_vlan_dev(filter_dev)) { 217035a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 217135a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 21728f256622SPablo Neira Ayuso struct flow_match_vlan match; 21738f256622SPablo Neira Ayuso 217435a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 217535a605dbSEli Britstein match.key = &filter_dev_key; 217635a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 217735a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 217835a605dbSEli Britstein match.key->vlan_priority = 0; 217935a605dbSEli Britstein match.mask = &filter_dev_mask; 218035a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 218135a605dbSEli Britstein match.mask->vlan_priority = 0; 218235a605dbSEli Britstein } else { 21838f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 218435a605dbSEli Britstein } 21858f256622SPablo Neira Ayuso if (match.mask->vlan_id || 21868f256622SPablo Neira Ayuso match.mask->vlan_priority || 21878f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 21888f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2189699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2190699e96ddSJianbo Liu svlan_tag, 1); 2191699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2192699e96ddSJianbo Liu svlan_tag, 1); 2193699e96ddSJianbo Liu } else { 2194699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2195699e96ddSJianbo Liu cvlan_tag, 1); 2196699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2197699e96ddSJianbo Liu cvlan_tag, 1); 2198699e96ddSJianbo Liu } 2199095b6cfdSOr Gerlitz 22008f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 22018f256622SPablo Neira Ayuso match.mask->vlan_id); 22028f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 22038f256622SPablo Neira Ayuso match.key->vlan_id); 2204358d79a4SOr Gerlitz 22058f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 22068f256622SPablo Neira Ayuso match.mask->vlan_priority); 22078f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 22088f256622SPablo Neira Ayuso match.key->vlan_priority); 220954782900SOr Gerlitz 2210d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2211095b6cfdSOr Gerlitz } 2212d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2213fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2214fc603294SMark Bloch * disabled in match value means both S & C tags 2215fc603294SMark Bloch * don't exist (untagged of both) 2216fc603294SMark Bloch */ 2217cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2218d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2219095b6cfdSOr Gerlitz } 2220095b6cfdSOr Gerlitz 22218f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 22228f256622SPablo Neira Ayuso struct flow_match_vlan match; 22238f256622SPablo Neira Ayuso 222412d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 22258f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22268f256622SPablo Neira Ayuso match.mask->vlan_priority || 22278f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 22288f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2229699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2230699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2231699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2232699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2233699e96ddSJianbo Liu } else { 2234699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2235699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2236699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2237699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2238699e96ddSJianbo Liu } 2239699e96ddSJianbo Liu 2240699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 22418f256622SPablo Neira Ayuso match.mask->vlan_id); 2242699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 22438f256622SPablo Neira Ayuso match.key->vlan_id); 2244699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 22458f256622SPablo Neira Ayuso match.mask->vlan_priority); 2246699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 22478f256622SPablo Neira Ayuso match.key->vlan_priority); 2248699e96ddSJianbo Liu 2249699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 2250699e96ddSJianbo Liu } 2251699e96ddSJianbo Liu } 2252699e96ddSJianbo Liu 22538f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 22548f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 225554782900SOr Gerlitz 22568f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2257d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2258d3a80bb5SOr Gerlitz dmac_47_16), 22598f256622SPablo Neira Ayuso match.mask->dst); 2260d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2261d3a80bb5SOr Gerlitz dmac_47_16), 22628f256622SPablo Neira Ayuso match.key->dst); 2263d3a80bb5SOr Gerlitz 2264d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2265d3a80bb5SOr Gerlitz smac_47_16), 22668f256622SPablo Neira Ayuso match.mask->src); 2267d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2268d3a80bb5SOr Gerlitz smac_47_16), 22698f256622SPablo Neira Ayuso match.key->src); 2270d3a80bb5SOr Gerlitz 22718f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 22728f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2273d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 227454782900SOr Gerlitz } 227554782900SOr Gerlitz 22768f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 22778f256622SPablo Neira Ayuso struct flow_match_control match; 227854782900SOr Gerlitz 22798f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 22808f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 228154782900SOr Gerlitz 228254782900SOr Gerlitz /* the HW doesn't support frag first/later */ 22838f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 228454782900SOr Gerlitz return -EOPNOTSUPP; 228554782900SOr Gerlitz 22868f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 228754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 228854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 22898f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 229054782900SOr Gerlitz 229154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 22928f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 229383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 229454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 229554782900SOr Gerlitz else 229683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 229754782900SOr Gerlitz } 229854782900SOr Gerlitz } 229954782900SOr Gerlitz 23008f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 23018f256622SPablo Neira Ayuso struct flow_match_basic match; 23028f256622SPablo Neira Ayuso 23038f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 23048f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 230554782900SOr Gerlitz 230654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 23078f256622SPablo Neira Ayuso match.mask->ip_proto); 230854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 23098f256622SPablo Neira Ayuso match.key->ip_proto); 231054782900SOr Gerlitz 23118f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2312d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 231354782900SOr Gerlitz } 231454782900SOr Gerlitz 2315e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 23168f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2317e3a2b7edSAmir Vadai 23188f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2319e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2320e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23218f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2322e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2323e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23248f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2325e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2326e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23278f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2328e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2329e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23308f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2331de0af0bfSRoi Dayan 23328f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2333d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2334e3a2b7edSAmir Vadai } 2335e3a2b7edSAmir Vadai 2336e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 23378f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2338e3a2b7edSAmir Vadai 23398f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2340e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2341e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23428f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2343e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2344e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23458f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2346e3a2b7edSAmir Vadai 2347e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2348e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23498f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2350e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2351e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23528f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2353de0af0bfSRoi Dayan 23548f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 23558f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2356d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2357e3a2b7edSAmir Vadai } 2358e3a2b7edSAmir Vadai 23598f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 23608f256622SPablo Neira Ayuso struct flow_match_ip match; 23611f97a526SOr Gerlitz 23628f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 23638f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 23648f256622SPablo Neira Ayuso match.mask->tos & 0x3); 23658f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 23668f256622SPablo Neira Ayuso match.key->tos & 0x3); 23671f97a526SOr Gerlitz 23688f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 23698f256622SPablo Neira Ayuso match.mask->tos >> 2); 23708f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 23718f256622SPablo Neira Ayuso match.key->tos >> 2); 23721f97a526SOr Gerlitz 23738f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 23748f256622SPablo Neira Ayuso match.mask->ttl); 23758f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 23768f256622SPablo Neira Ayuso match.key->ttl); 23771f97a526SOr Gerlitz 23788f256622SPablo Neira Ayuso if (match.mask->ttl && 2379a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2380e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2381e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2382e98bedf5SEli Britstein "Matching on TTL is not supported"); 23831f97a526SOr Gerlitz return -EOPNOTSUPP; 2384e98bedf5SEli Britstein } 2385a8ade55fSOr Gerlitz 23868f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2387d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 23881f97a526SOr Gerlitz } 23891f97a526SOr Gerlitz 239054782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 239154782900SOr Gerlitz 23928f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 23938f256622SPablo Neira Ayuso struct flow_match_ports match; 23948f256622SPablo Neira Ayuso 23958f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2396e3a2b7edSAmir Vadai switch (ip_proto) { 2397e3a2b7edSAmir Vadai case IPPROTO_TCP: 2398e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 23998f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2400e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24018f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2402e3a2b7edSAmir Vadai 2403e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24048f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2405e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24068f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2407e3a2b7edSAmir Vadai break; 2408e3a2b7edSAmir Vadai 2409e3a2b7edSAmir Vadai case IPPROTO_UDP: 2410e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24118f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2412e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24138f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2414e3a2b7edSAmir Vadai 2415e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24168f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2417e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24188f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2419e3a2b7edSAmir Vadai break; 2420e3a2b7edSAmir Vadai default: 2421e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2422e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2423e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2424e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2425e3a2b7edSAmir Vadai return -EINVAL; 2426e3a2b7edSAmir Vadai } 2427de0af0bfSRoi Dayan 24288f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2429d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2430e3a2b7edSAmir Vadai } 2431e3a2b7edSAmir Vadai 24328f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 24338f256622SPablo Neira Ayuso struct flow_match_tcp match; 2434e77834ecSOr Gerlitz 24358f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2436e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 24378f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2438e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 24398f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2440e77834ecSOr Gerlitz 24418f256622SPablo Neira Ayuso if (match.mask->flags) 2442d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2443e77834ecSOr Gerlitz } 2444e77834ecSOr Gerlitz 2445e3a2b7edSAmir Vadai return 0; 2446e3a2b7edSAmir Vadai } 2447e3a2b7edSAmir Vadai 2448de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 244965ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2450de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2451f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 245254c177caSOz Shlomo struct net_device *filter_dev) 2453de0af0bfSRoi Dayan { 245493b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2455e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2456de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2457de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 24581d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 24591d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2460226f2ca3SVlad Buslov bool is_eswitch_flow; 2461de0af0bfSRoi Dayan int err; 2462de0af0bfSRoi Dayan 246393b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 246493b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 246593b3586eSHuy Nguyen 24660a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 24670a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 246893b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 246993b3586eSHuy Nguyen outer_match_level : inner_match_level; 2470de0af0bfSRoi Dayan 2471226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2472226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 24731d447a39SSaeed Mahameed rep = rpriv->rep; 2474b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 24751d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 247693b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2477e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2478e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2479de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2480de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 248193b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2482de0af0bfSRoi Dayan return -EOPNOTSUPP; 2483de0af0bfSRoi Dayan } 2484de0af0bfSRoi Dayan } 2485de0af0bfSRoi Dayan 2486226f2ca3SVlad Buslov if (is_eswitch_flow) { 248793b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 248893b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 24896363651dSOr Gerlitz } else { 249093b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 24916363651dSOr Gerlitz } 249238aa51c1SOr Gerlitz 2493de0af0bfSRoi Dayan return err; 2494de0af0bfSRoi Dayan } 2495de0af0bfSRoi Dayan 2496d79b6df6SOr Gerlitz struct pedit_headers { 2497d79b6df6SOr Gerlitz struct ethhdr eth; 24980eb69bb9SEli Britstein struct vlan_hdr vlan; 2499d79b6df6SOr Gerlitz struct iphdr ip4; 2500d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2501d79b6df6SOr Gerlitz struct tcphdr tcp; 2502d79b6df6SOr Gerlitz struct udphdr udp; 2503d79b6df6SOr Gerlitz }; 2504d79b6df6SOr Gerlitz 2505c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2506c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2507c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2508c500c86bSPablo Neira Ayuso u32 pedits; 2509c500c86bSPablo Neira Ayuso }; 2510c500c86bSPablo Neira Ayuso 2511d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 251273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 251373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 251473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 251573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 251673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2517d79b6df6SOr Gerlitz }; 2518d79b6df6SOr Gerlitz 2519d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2520d79b6df6SOr Gerlitz 2521d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2522c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2523d79b6df6SOr Gerlitz { 2524d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2525d79b6df6SOr Gerlitz 2526c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2527c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2528d79b6df6SOr Gerlitz 2529d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2530d79b6df6SOr Gerlitz goto out_err; 2531d79b6df6SOr Gerlitz 2532d79b6df6SOr Gerlitz *curr_pmask |= mask; 2533d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2534d79b6df6SOr Gerlitz 2535d79b6df6SOr Gerlitz return 0; 2536d79b6df6SOr Gerlitz 2537d79b6df6SOr Gerlitz out_err: 2538d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2539d79b6df6SOr Gerlitz } 2540d79b6df6SOr Gerlitz 2541d79b6df6SOr Gerlitz struct mlx5_fields { 2542d79b6df6SOr Gerlitz u8 field; 254388f30bbcSDmytro Linkin u8 field_bsize; 254488f30bbcSDmytro Linkin u32 field_mask; 2545d79b6df6SOr Gerlitz u32 offset; 254627c11b6bSEli Britstein u32 match_offset; 2547d79b6df6SOr Gerlitz }; 2548d79b6df6SOr Gerlitz 254988f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 255088f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 255127c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 255227c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 255327c11b6bSEli Britstein 25542ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 25552ef86872SEli Britstein * match. 25562ef86872SEli Britstein */ 25572ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 25582ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 25592ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 25602ef86872SEli Britstein type maskx = *(type *)(maskp); \ 25612ef86872SEli Britstein type valx = *(type *)(valp); \ 25622ef86872SEli Britstein \ 25632ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 25642ef86872SEli Britstein matchmaskx)); \ 25652ef86872SEli Britstein }) 25662ef86872SEli Britstein 256727c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 256888f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 256927c11b6bSEli Britstein { 257027c11b6bSEli Britstein bool same = false; 257127c11b6bSEli Britstein 257288f30bbcSDmytro Linkin switch (bsize) { 257388f30bbcSDmytro Linkin case 8: 25742ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 257527c11b6bSEli Britstein break; 257688f30bbcSDmytro Linkin case 16: 25772ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 257827c11b6bSEli Britstein break; 257988f30bbcSDmytro Linkin case 32: 25802ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 258127c11b6bSEli Britstein break; 258227c11b6bSEli Britstein } 258327c11b6bSEli Britstein 258427c11b6bSEli Britstein return same; 258527c11b6bSEli Britstein } 2586a8e4f0c4SOr Gerlitz 2587d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 258888f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 258988f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 259088f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 259188f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 259288f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 259388f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2594d79b6df6SOr Gerlitz 2595ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 259688f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 259788f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 259888f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2599d79b6df6SOr Gerlitz 260088f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 260127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 260288f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 260327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 260488f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 260527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 260688f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 260727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 260888f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 260927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 261088f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 261127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 261288f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 261327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 261488f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 261527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 261688f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2617d79b6df6SOr Gerlitz 261888f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 261988f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 262088f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 262188f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2622d79b6df6SOr Gerlitz 262388f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 262488f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2625d79b6df6SOr Gerlitz }; 2626d79b6df6SOr Gerlitz 26276ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 26286ae4a6a5SPaul Blakey int namespace, 26296ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2630e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 263127c11b6bSEli Britstein u32 *action_flags, 2632e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2633d79b6df6SOr Gerlitz { 2634d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 26356ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 263688f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 263788f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 26386ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2639d79b6df6SOr Gerlitz struct mlx5_fields *f; 2640d79b6df6SOr Gerlitz unsigned long mask; 26412b64bebaSOr Gerlitz __be32 mask_be32; 26422b64bebaSOr Gerlitz __be16 mask_be16; 26436ae4a6a5SPaul Blakey int err; 264488f30bbcSDmytro Linkin u8 cmd; 264588f30bbcSDmytro Linkin 26466ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 264788f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 264888f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2649d79b6df6SOr Gerlitz 265073867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 265173867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 265273867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 265373867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2654d79b6df6SOr Gerlitz 2655d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2656d79b6df6SOr Gerlitz 2657d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 265827c11b6bSEli Britstein bool skip; 265927c11b6bSEli Britstein 2660d79b6df6SOr Gerlitz f = &fields[i]; 2661d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2662e3ca4e05SOr Gerlitz s_mask = 0; 2663e3ca4e05SOr Gerlitz a_mask = 0; 2664d79b6df6SOr Gerlitz 2665d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2666d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2667d79b6df6SOr Gerlitz 266888f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 266988f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2670d79b6df6SOr Gerlitz 2671d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2672d79b6df6SOr Gerlitz continue; 2673d79b6df6SOr Gerlitz 2674d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2675e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2676e98bedf5SEli Britstein "can't set and add to the same HW field"); 2677d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2678d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2679d79b6df6SOr Gerlitz } 2680d79b6df6SOr Gerlitz 268127c11b6bSEli Britstein skip = false; 2682d79b6df6SOr Gerlitz if (s_mask) { 268327c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 268427c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 268527c11b6bSEli Britstein 2686d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2687d79b6df6SOr Gerlitz mask = s_mask; 2688d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 268927c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 269027c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 269188f30bbcSDmytro Linkin match_mask, f->field_bsize)) 269227c11b6bSEli Britstein skip = true; 2693d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 269488f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2695d79b6df6SOr Gerlitz } else { 2696d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2697d79b6df6SOr Gerlitz mask = a_mask; 2698d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 269927c11b6bSEli Britstein /* add 0 is no change */ 270088f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 270127c11b6bSEli Britstein skip = true; 2702d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 270388f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2704d79b6df6SOr Gerlitz } 270527c11b6bSEli Britstein if (skip) 270627c11b6bSEli Britstein continue; 2707d79b6df6SOr Gerlitz 270888f30bbcSDmytro Linkin if (f->field_bsize == 32) { 270958ff18e1SSaeed Mahameed mask_be32 = (__force __be32)(mask); 27102b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 271188f30bbcSDmytro Linkin } else if (f->field_bsize == 16) { 271258ff18e1SSaeed Mahameed mask_be32 = (__force __be32)(mask); 2713404402abSSebastian Hense mask_be16 = *(__be16 *)&mask_be32; 27142b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 27152b64bebaSOr Gerlitz } 27162b64bebaSOr Gerlitz 271788f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 271888f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 271988f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 27202b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2721e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2722e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 27232b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2724d79b6df6SOr Gerlitz mask); 2725d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2726d79b6df6SOr Gerlitz } 2727d79b6df6SOr Gerlitz 27286ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 27296ae4a6a5SPaul Blakey if (err) { 27306ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 27316ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 27326ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 27336ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 27346ae4a6a5SPaul Blakey mod_acts->num_actions); 27356ae4a6a5SPaul Blakey return err; 27366ae4a6a5SPaul Blakey } 27376ae4a6a5SPaul Blakey 27386ae4a6a5SPaul Blakey action = mod_acts->actions + 27396ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2740d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2741d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2742d79b6df6SOr Gerlitz 2743d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 274488f30bbcSDmytro Linkin int start; 274588f30bbcSDmytro Linkin 274688f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 274788f30bbcSDmytro Linkin start = find_first_bit((unsigned long *)&f->field_mask, 274888f30bbcSDmytro Linkin f->field_bsize); 274988f30bbcSDmytro Linkin 275088f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2751d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 27522b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2753d79b6df6SOr Gerlitz } 2754d79b6df6SOr Gerlitz 275588f30bbcSDmytro Linkin if (f->field_bsize == 32) 27562b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 275788f30bbcSDmytro Linkin else if (f->field_bsize == 16) 27582b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 275988f30bbcSDmytro Linkin else if (f->field_bsize == 8) 27602b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2761d79b6df6SOr Gerlitz 27626ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2763d79b6df6SOr Gerlitz } 2764d79b6df6SOr Gerlitz 2765d79b6df6SOr Gerlitz return 0; 2766d79b6df6SOr Gerlitz } 2767d79b6df6SOr Gerlitz 27682cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 27692cc1cb1dSTonghao Zhang int namespace) 27702cc1cb1dSTonghao Zhang { 27712cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 27722cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 27732cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 27742cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 27752cc1cb1dSTonghao Zhang } 27762cc1cb1dSTonghao Zhang 27776ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2778c500c86bSPablo Neira Ayuso int namespace, 27796ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2780d79b6df6SOr Gerlitz { 27816ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 27826ae4a6a5SPaul Blakey size_t new_sz, old_sz; 27836ae4a6a5SPaul Blakey void *ret; 2784d79b6df6SOr Gerlitz 27856ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 27866ae4a6a5SPaul Blakey return 0; 27876ae4a6a5SPaul Blakey 2788d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2789d79b6df6SOr Gerlitz 27906ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 27916ae4a6a5SPaul Blakey namespace); 27926ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 27936ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 27946ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 27956ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 27966ae4a6a5SPaul Blakey return -ENOSPC; 2797d79b6df6SOr Gerlitz 27986ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 27996ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 28006ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 28016ae4a6a5SPaul Blakey if (!ret) 2802d79b6df6SOr Gerlitz return -ENOMEM; 2803d79b6df6SOr Gerlitz 28046ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 28056ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 28066ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 28076ae4a6a5SPaul Blakey 2808d79b6df6SOr Gerlitz return 0; 2809d79b6df6SOr Gerlitz } 2810d79b6df6SOr Gerlitz 28116ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 28126ae4a6a5SPaul Blakey { 28136ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 28146ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 28156ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 28166ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 28176ae4a6a5SPaul Blakey } 28186ae4a6a5SPaul Blakey 2819d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2820d79b6df6SOr Gerlitz 2821582234b4SEli Cohen static int 2822582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 282373867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2824582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2825c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2826e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2827d79b6df6SOr Gerlitz { 282873867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 282973867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2830d79b6df6SOr Gerlitz u32 mask, val, offset; 283173867881SPablo Neira Ayuso u8 htype; 2832d79b6df6SOr Gerlitz 283373867881SPablo Neira Ayuso htype = act->mangle.htype; 2834d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2835d79b6df6SOr Gerlitz 283673867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 283773867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2838d79b6df6SOr Gerlitz goto out_err; 2839d79b6df6SOr Gerlitz } 2840d79b6df6SOr Gerlitz 28412cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 28422cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 28432cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 28442cc1cb1dSTonghao Zhang goto out_err; 28452cc1cb1dSTonghao Zhang } 28462cc1cb1dSTonghao Zhang 284773867881SPablo Neira Ayuso mask = act->mangle.mask; 284873867881SPablo Neira Ayuso val = act->mangle.val; 284973867881SPablo Neira Ayuso offset = act->mangle.offset; 2850d79b6df6SOr Gerlitz 2851c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2852d79b6df6SOr Gerlitz if (err) 2853d79b6df6SOr Gerlitz goto out_err; 2854c500c86bSPablo Neira Ayuso 2855c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2856d79b6df6SOr Gerlitz 2857c500c86bSPablo Neira Ayuso return 0; 2858c500c86bSPablo Neira Ayuso out_err: 2859c500c86bSPablo Neira Ayuso return err; 2860c500c86bSPablo Neira Ayuso } 2861c500c86bSPablo Neira Ayuso 2862582234b4SEli Cohen static int 2863582234b4SEli Cohen parse_pedit_to_reformat(struct mlx5e_priv *priv, 2864582234b4SEli Cohen const struct flow_action_entry *act, 2865582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2866582234b4SEli Cohen struct netlink_ext_ack *extack) 2867582234b4SEli Cohen { 2868582234b4SEli Cohen u32 mask, val, offset; 2869582234b4SEli Cohen u32 *p; 2870582234b4SEli Cohen 2871582234b4SEli Cohen if (act->id != FLOW_ACTION_MANGLE) 2872582234b4SEli Cohen return -EOPNOTSUPP; 2873582234b4SEli Cohen 2874582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 2875582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 2876582234b4SEli Cohen return -EOPNOTSUPP; 2877582234b4SEli Cohen } 2878582234b4SEli Cohen 2879582234b4SEli Cohen mask = ~act->mangle.mask; 2880582234b4SEli Cohen val = act->mangle.val; 2881582234b4SEli Cohen offset = act->mangle.offset; 2882582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 2883582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 2884582234b4SEli Cohen 2885582234b4SEli Cohen return 0; 2886582234b4SEli Cohen } 2887582234b4SEli Cohen 2888582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2889582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 2890582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2891582234b4SEli Cohen struct pedit_headers_action *hdrs, 2892582234b4SEli Cohen struct mlx5e_tc_flow *flow, 2893582234b4SEli Cohen struct netlink_ext_ack *extack) 2894582234b4SEli Cohen { 2895582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 2896582234b4SEli Cohen return parse_pedit_to_reformat(priv, act, parse_attr, extack); 2897582234b4SEli Cohen 2898582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 2899582234b4SEli Cohen parse_attr, hdrs, extack); 2900582234b4SEli Cohen } 2901582234b4SEli Cohen 2902c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2903c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2904c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 290527c11b6bSEli Britstein u32 *action_flags, 2906c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2907c500c86bSPablo Neira Ayuso { 2908c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2909c500c86bSPablo Neira Ayuso int err; 2910c500c86bSPablo Neira Ayuso u8 cmd; 2911c500c86bSPablo Neira Ayuso 29126ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 29136ae4a6a5SPaul Blakey action_flags, extack); 2914d79b6df6SOr Gerlitz if (err < 0) 2915d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2916d79b6df6SOr Gerlitz 2917d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2918c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2919d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2920e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2921e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2922b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2923d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2924d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2925d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2926d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2927d79b6df6SOr Gerlitz } 2928d79b6df6SOr Gerlitz } 2929d79b6df6SOr Gerlitz 2930d79b6df6SOr Gerlitz return 0; 2931d79b6df6SOr Gerlitz 2932d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 29336ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2934d79b6df6SOr Gerlitz return err; 2935d79b6df6SOr Gerlitz } 2936d79b6df6SOr Gerlitz 2937e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2938e98bedf5SEli Britstein u32 action, 2939e98bedf5SEli Britstein u32 update_flags, 2940e98bedf5SEli Britstein struct netlink_ext_ack *extack) 294126c02749SOr Gerlitz { 294226c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 294326c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 294426c02749SOr Gerlitz 294526c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 294626c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2947e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2948e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 294926c02749SOr Gerlitz netdev_warn(priv->netdev, 295026c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 295126c02749SOr Gerlitz return false; 295226c02749SOr Gerlitz } 295326c02749SOr Gerlitz 295426c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2955e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2956e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 295726c02749SOr Gerlitz netdev_warn(priv->netdev, 295826c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 295926c02749SOr Gerlitz update_flags); 296026c02749SOr Gerlitz return false; 296126c02749SOr Gerlitz } 296226c02749SOr Gerlitz 296326c02749SOr Gerlitz return true; 296426c02749SOr Gerlitz } 296526c02749SOr Gerlitz 29668998576bSDmytro Linkin struct ip_ttl_word { 29678998576bSDmytro Linkin __u8 ttl; 29688998576bSDmytro Linkin __u8 protocol; 29698998576bSDmytro Linkin __sum16 check; 29708998576bSDmytro Linkin }; 29718998576bSDmytro Linkin 29728998576bSDmytro Linkin struct ipv6_hoplimit_word { 29738998576bSDmytro Linkin __be16 payload_len; 29748998576bSDmytro Linkin __u8 nexthdr; 29758998576bSDmytro Linkin __u8 hop_limit; 29768998576bSDmytro Linkin }; 29778998576bSDmytro Linkin 29784c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 29794c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 29807e36feebSPaul Blakey bool *modify_tuple, 29814c3844d9SPaul Blakey struct netlink_ext_ack *extack) 29828998576bSDmytro Linkin { 29838998576bSDmytro Linkin u32 mask, offset; 29848998576bSDmytro Linkin u8 htype; 29858998576bSDmytro Linkin 29868998576bSDmytro Linkin htype = act->mangle.htype; 29878998576bSDmytro Linkin offset = act->mangle.offset; 29888998576bSDmytro Linkin mask = ~act->mangle.mask; 29898998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 29908998576bSDmytro Linkin * to determine that modified fields 29918998576bSDmytro Linkin * are NOT ttl & hop_limit only. 29928998576bSDmytro Linkin */ 29938998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 29948998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 29958998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 29968998576bSDmytro Linkin 29978998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 29988998576bSDmytro Linkin ttl_word->protocol || 29998998576bSDmytro Linkin ttl_word->check) { 30004c3844d9SPaul Blakey *modify_ip_header = true; 30014c3844d9SPaul Blakey } 30024c3844d9SPaul Blakey 30037e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 30047e36feebSPaul Blakey *modify_tuple = true; 30057e36feebSPaul Blakey 30067e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30074c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30084c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 30094c3844d9SPaul Blakey return -EOPNOTSUPP; 30108998576bSDmytro Linkin } 30118998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 30128998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 30138998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 30148998576bSDmytro Linkin 30158998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 30168998576bSDmytro Linkin hoplimit_word->payload_len || 30178998576bSDmytro Linkin hoplimit_word->nexthdr) { 30184c3844d9SPaul Blakey *modify_ip_header = true; 30198998576bSDmytro Linkin } 30204c3844d9SPaul Blakey 30217e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 30227e36feebSPaul Blakey *modify_tuple = true; 30237e36feebSPaul Blakey 30247e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30254c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30264c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 30274c3844d9SPaul Blakey return -EOPNOTSUPP; 30288998576bSDmytro Linkin } 30297e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 30307e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 30317e36feebSPaul Blakey *modify_tuple = true; 30327e36feebSPaul Blakey if (ct_flow) { 30334c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30344c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 30354c3844d9SPaul Blakey return -EOPNOTSUPP; 30364c3844d9SPaul Blakey } 30377e36feebSPaul Blakey } 30384c3844d9SPaul Blakey 30394c3844d9SPaul Blakey return 0; 30408998576bSDmytro Linkin } 30418998576bSDmytro Linkin 30423d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 30433d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 304473867881SPablo Neira Ayuso struct flow_action *flow_action, 30454c3844d9SPaul Blakey u32 actions, bool ct_flow, 30467e36feebSPaul Blakey bool ct_clear, 3047e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3048bdd66ac0SOr Gerlitz { 304973867881SPablo Neira Ayuso const struct flow_action_entry *act; 30507e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3051fca53304SEli Britstein void *headers_c; 3052bdd66ac0SOr Gerlitz void *headers_v; 3053bdd66ac0SOr Gerlitz u16 ethertype; 30548998576bSDmytro Linkin u8 ip_proto; 30554c3844d9SPaul Blakey int i, err; 3056bdd66ac0SOr Gerlitz 3057fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 30588377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3059bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3060bdd66ac0SOr Gerlitz 3061bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3062fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3063fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3064bdd66ac0SOr Gerlitz goto out_ok; 3065bdd66ac0SOr Gerlitz 3066bdd66ac0SOr Gerlitz modify_ip_header = false; 30677e36feebSPaul Blakey modify_tuple = false; 306873867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 306973867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 307073867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3071bdd66ac0SOr Gerlitz continue; 3072bdd66ac0SOr Gerlitz 30734c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 30747e36feebSPaul Blakey &modify_ip_header, 30757e36feebSPaul Blakey &modify_tuple, extack); 30764c3844d9SPaul Blakey if (err) 30774c3844d9SPaul Blakey return err; 3078bdd66ac0SOr Gerlitz } 3079bdd66ac0SOr Gerlitz 30807e36feebSPaul Blakey /* Add ct_state=-trk match so it will be offloaded for non ct flows 30817e36feebSPaul Blakey * (or after clear action), as otherwise, since the tuple is changed, 30827e36feebSPaul Blakey * we can't restore ct state 30837e36feebSPaul Blakey */ 30847e36feebSPaul Blakey if (!ct_clear && modify_tuple && 30857e36feebSPaul Blakey mlx5_tc_ct_add_no_trk_match(priv, spec)) { 30867e36feebSPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30877e36feebSPaul Blakey "can't offload tuple modify header with ct matches"); 30887e36feebSPaul Blakey netdev_info(priv->netdev, 30897e36feebSPaul Blakey "can't offload tuple modify header with ct matches"); 30907e36feebSPaul Blakey return false; 30917e36feebSPaul Blakey } 30927e36feebSPaul Blakey 3093bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 30941ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 30951ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3096e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3097e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 30983d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 30993d486ec4SOz Shlomo ip_proto); 3100bdd66ac0SOr Gerlitz return false; 3101bdd66ac0SOr Gerlitz } 3102bdd66ac0SOr Gerlitz 3103bdd66ac0SOr Gerlitz out_ok: 3104bdd66ac0SOr Gerlitz return true; 3105bdd66ac0SOr Gerlitz } 3106bdd66ac0SOr Gerlitz 3107bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 310873867881SPablo Neira Ayuso struct flow_action *flow_action, 3109bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3110e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3111e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3112bdd66ac0SOr Gerlitz { 3113a7c119bdSPaul Blakey bool ct_flow = false, ct_clear = false; 3114bdd66ac0SOr Gerlitz u32 actions; 3115bdd66ac0SOr Gerlitz 31164c3844d9SPaul Blakey if (mlx5e_is_eswitch_flow(flow)) { 3117bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 3118a7c119bdSPaul Blakey ct_clear = flow->esw_attr->ct_attr.ct_action & 3119a7c119bdSPaul Blakey TCA_CT_ACT_CLEAR; 3120a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 31214c3844d9SPaul Blakey if (flow->esw_attr->split_count && ct_flow) { 31224c3844d9SPaul Blakey /* All registers used by ct are cleared when using 31234c3844d9SPaul Blakey * split rules. 31244c3844d9SPaul Blakey */ 31254c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31264c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 312749397b80SDan Carpenter return false; 31284c3844d9SPaul Blakey } 31294c3844d9SPaul Blakey } else { 3130bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 31314c3844d9SPaul Blakey } 3132bdd66ac0SOr Gerlitz 3133bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 31343d486ec4SOz Shlomo return modify_header_match_supported(priv, &parse_attr->spec, 3135a655fe9fSDavid S. Miller flow_action, actions, 31367e36feebSPaul Blakey ct_flow, ct_clear, 31377e36feebSPaul Blakey extack); 3138bdd66ac0SOr Gerlitz 3139bdd66ac0SOr Gerlitz return true; 3140bdd66ac0SOr Gerlitz } 3141bdd66ac0SOr Gerlitz 314232134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 314332134847SMaor Dickman { 314432134847SMaor Dickman return priv->mdev == peer_priv->mdev; 314532134847SMaor Dickman } 314632134847SMaor Dickman 31475c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 31485c65c564SOr Gerlitz { 31495c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3150816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 31515c65c564SOr Gerlitz 31525c65c564SOr Gerlitz fmdev = priv->mdev; 31535c65c564SOr Gerlitz pmdev = peer_priv->mdev; 31545c65c564SOr Gerlitz 315559c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 315659c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 31575c65c564SOr Gerlitz 3158816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 31595c65c564SOr Gerlitz } 31605c65c564SOr Gerlitz 3161bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3162bdc837eeSEli Britstein const struct flow_action_entry *act, 3163bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3164bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3165bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3166bdc837eeSEli Britstein { 3167bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3168bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3169bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3170bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3171bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3172bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3173bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3174bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3175bdc837eeSEli Britstein }; 31766fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3177bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3178bdc837eeSEli Britstein int err; 3179bdc837eeSEli Britstein 3180bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3181bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3182bf2f3bcaSEli Britstein 3183bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3184bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3185bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3186bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3187bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3188bf2f3bcaSEli Britstein } 3189bf2f3bcaSEli Britstein 31906fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 31916fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 31926fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 31936fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 31946fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3195bdc837eeSEli Britstein return -EOPNOTSUPP; 3196bdc837eeSEli Britstein } 3197bdc837eeSEli Britstein 3198582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3199bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3200bdc837eeSEli Britstein 3201bdc837eeSEli Britstein return err; 3202bdc837eeSEli Britstein } 3203bdc837eeSEli Britstein 32040bac1194SEli Britstein static int 32050bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 32060bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 32070bac1194SEli Britstein struct pedit_headers_action *hdrs, 32080bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 32090bac1194SEli Britstein { 32100bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 32110bac1194SEli Britstein .vlan.vid = 0, 32120bac1194SEli Britstein .vlan.prio = 32130bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32140bac1194SEli Britstein get_match_headers_value(*action, 32150bac1194SEli Britstein &parse_attr->spec), 32160bac1194SEli Britstein first_prio) & 32170bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32180bac1194SEli Britstein get_match_headers_criteria(*action, 32190bac1194SEli Britstein &parse_attr->spec), 32200bac1194SEli Britstein first_prio), 32210bac1194SEli Britstein }; 32220bac1194SEli Britstein 32230bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 32240bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 32250bac1194SEli Britstein extack); 32260bac1194SEli Britstein } 32270bac1194SEli Britstein 322873867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 322973867881SPablo Neira Ayuso struct flow_action *flow_action, 3230aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3231e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3232e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3233e3a2b7edSAmir Vadai { 3234aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 323573867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 323673867881SPablo Neira Ayuso const struct flow_action_entry *act; 32371cab1cd7SOr Gerlitz u32 action = 0; 3238244cd96aSCong Wang int err, i; 3239e3a2b7edSAmir Vadai 324073867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3241e3a2b7edSAmir Vadai return -EINVAL; 3242e3a2b7edSAmir Vadai 324353eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 324453eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3245319a1d19SJiri Pirko return -EOPNOTSUPP; 3246319a1d19SJiri Pirko 32473bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3248e3a2b7edSAmir Vadai 324973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 325073867881SPablo Neira Ayuso switch (act->id) { 325115fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 325215fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 325315fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 325415fc92ecSTonghao Zhang break; 325573867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 32561cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3257aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3258aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 32591cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 326073867881SPablo Neira Ayuso break; 326173867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 326273867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 326373867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3264582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 32652f4fe4caSOr Gerlitz if (err) 32662f4fe4caSOr Gerlitz return err; 32672f4fe4caSOr Gerlitz 32681cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 32692f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 327073867881SPablo Neira Ayuso break; 3271bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3272bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3273bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3274bdc837eeSEli Britstein act, parse_attr, hdrs, 3275bdc837eeSEli Britstein &action, extack); 3276bdc837eeSEli Britstein if (err) 3277bdc837eeSEli Britstein return err; 3278bdc837eeSEli Britstein 3279bdc837eeSEli Britstein break; 328073867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 32811cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 328273867881SPablo Neira Ayuso act->csum_flags, 3283e98bedf5SEli Britstein extack)) 328473867881SPablo Neira Ayuso break; 328526c02749SOr Gerlitz 328626c02749SOr Gerlitz return -EOPNOTSUPP; 328773867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 328873867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 32895c65c564SOr Gerlitz 32905c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 32915c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 329298b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3293226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 32941cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 32955c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 32965c65c564SOr Gerlitz } else { 3297e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3298e98bedf5SEli Britstein "device is not on same HW, can't offload"); 32995c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 33005c65c564SOr Gerlitz peer_dev->name); 33015c65c564SOr Gerlitz return -EINVAL; 33025c65c564SOr Gerlitz } 33035c65c564SOr Gerlitz } 330473867881SPablo Neira Ayuso break; 330573867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 330673867881SPablo Neira Ayuso u32 mark = act->mark; 3307e3a2b7edSAmir Vadai 3308e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3309e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3310e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3311e3a2b7edSAmir Vadai return -EINVAL; 3312e3a2b7edSAmir Vadai } 3313e3a2b7edSAmir Vadai 33143bc4b7bfSOr Gerlitz attr->flow_tag = mark; 33151cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3316e3a2b7edSAmir Vadai } 331773867881SPablo Neira Ayuso break; 331873867881SPablo Neira Ayuso default: 33192cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 33202cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3321e3a2b7edSAmir Vadai } 332273867881SPablo Neira Ayuso } 3323e3a2b7edSAmir Vadai 3324c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3325c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3326c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 332727c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3328c500c86bSPablo Neira Ayuso if (err) 3329c500c86bSPablo Neira Ayuso return err; 333027c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 333127c11b6bSEli Britstein * flag. 333227c11b6bSEli Britstein */ 33336ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 333427c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 33356ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3336e7739a60SEli Britstein } 3337c500c86bSPablo Neira Ayuso } 3338c500c86bSPablo Neira Ayuso 33391cab1cd7SOr Gerlitz attr->action = action; 334073867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3341bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3342bdd66ac0SOr Gerlitz 3343e3a2b7edSAmir Vadai return 0; 3344e3a2b7edSAmir Vadai } 3345e3a2b7edSAmir Vadai 33467f1a546eSEli Britstein struct encap_key { 33471f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 3348d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 33497f1a546eSEli Britstein }; 33507f1a546eSEli Britstein 33517f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 33527f1a546eSEli Britstein struct encap_key *b) 3353a54e20b4SHadar Hen Zion { 33547f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 3355d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 3356a54e20b4SHadar Hen Zion } 3357a54e20b4SHadar Hen Zion 335814e6b038SEli Cohen static inline int cmp_decap_info(struct mlx5e_decap_key *a, 335914e6b038SEli Cohen struct mlx5e_decap_key *b) 336014e6b038SEli Cohen { 336114e6b038SEli Cohen return memcmp(&a->key, &b->key, sizeof(b->key)); 336214e6b038SEli Cohen } 336314e6b038SEli Cohen 33647f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 3365a54e20b4SHadar Hen Zion { 33667f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 3367d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 3368a54e20b4SHadar Hen Zion } 3369a54e20b4SHadar Hen Zion 337014e6b038SEli Cohen static inline int hash_decap_info(struct mlx5e_decap_key *key) 337114e6b038SEli Cohen { 337214e6b038SEli Cohen return jhash(&key->key, sizeof(key->key), 0); 337314e6b038SEli Cohen } 3374a54e20b4SHadar Hen Zion 337532134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3376b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3377b1d90e6bSRabie Loulou { 3378b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3379b1d90e6bSRabie Loulou 3380b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3381b1d90e6bSRabie Loulou 3382b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 338332134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 338432134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 338568931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3386b1d90e6bSRabie Loulou } 3387b1d90e6bSRabie Loulou 3388948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 3389948993f2SVlad Buslov { 3390948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 3391948993f2SVlad Buslov } 3392948993f2SVlad Buslov 339314e6b038SEli Cohen static bool mlx5e_decap_take(struct mlx5e_decap_entry *e) 339414e6b038SEli Cohen { 339514e6b038SEli Cohen return refcount_inc_not_zero(&e->refcnt); 339614e6b038SEli Cohen } 339714e6b038SEli Cohen 3398948993f2SVlad Buslov static struct mlx5e_encap_entry * 3399948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 3400948993f2SVlad Buslov uintptr_t hash_key) 3401948993f2SVlad Buslov { 3402948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3403948993f2SVlad Buslov struct mlx5e_encap_entry *e; 3404948993f2SVlad Buslov struct encap_key e_key; 3405948993f2SVlad Buslov 3406948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 3407948993f2SVlad Buslov encap_hlist, hash_key) { 3408948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 3409948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 3410948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 3411948993f2SVlad Buslov mlx5e_encap_take(e)) 3412948993f2SVlad Buslov return e; 3413948993f2SVlad Buslov } 3414948993f2SVlad Buslov 3415948993f2SVlad Buslov return NULL; 3416948993f2SVlad Buslov } 3417948993f2SVlad Buslov 341814e6b038SEli Cohen static struct mlx5e_decap_entry * 341914e6b038SEli Cohen mlx5e_decap_get(struct mlx5e_priv *priv, struct mlx5e_decap_key *key, 342014e6b038SEli Cohen uintptr_t hash_key) 342114e6b038SEli Cohen { 342214e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 342314e6b038SEli Cohen struct mlx5e_decap_key r_key; 342414e6b038SEli Cohen struct mlx5e_decap_entry *e; 342514e6b038SEli Cohen 342614e6b038SEli Cohen hash_for_each_possible_rcu(esw->offloads.decap_tbl, e, 342714e6b038SEli Cohen hlist, hash_key) { 342814e6b038SEli Cohen r_key = e->key; 342914e6b038SEli Cohen if (!cmp_decap_info(&r_key, key) && 343014e6b038SEli Cohen mlx5e_decap_take(e)) 343114e6b038SEli Cohen return e; 343214e6b038SEli Cohen } 343314e6b038SEli Cohen return NULL; 343414e6b038SEli Cohen } 343514e6b038SEli Cohen 34362a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 34372a4b6526SVlad Buslov { 34382a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 34392a4b6526SVlad Buslov 34402a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 34412a4b6526SVlad Buslov } 34422a4b6526SVlad Buslov 3443554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 3444554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 3445554fe75cSDmytro Linkin int out_index, 3446554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 3447554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3448554fe75cSDmytro Linkin { 3449554fe75cSDmytro Linkin int i; 3450554fe75cSDmytro Linkin 3451554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 3452554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 3453554fe75cSDmytro Linkin continue; 3454554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 3455554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 3456554fe75cSDmytro Linkin return true; 3457554fe75cSDmytro Linkin } 3458554fe75cSDmytro Linkin 3459554fe75cSDmytro Linkin return false; 3460554fe75cSDmytro Linkin } 3461554fe75cSDmytro Linkin 3462a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3463e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3464733d4f36SRoi Dayan struct net_device *mirred_dev, 3465733d4f36SRoi Dayan int out_index, 34668c4dc42bSEli Britstein struct netlink_ext_ack *extack, 34670ad060eeSRoi Dayan struct net_device **encap_dev, 34680ad060eeSRoi Dayan bool *encap_valid) 346903a9d11eSOr Gerlitz { 3470a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 347145247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3472733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 34731f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3474948993f2SVlad Buslov struct encap_key key; 3475c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3476733d4f36SRoi Dayan unsigned short family; 3477a54e20b4SHadar Hen Zion uintptr_t hash_key; 347854c177caSOz Shlomo int err = 0; 3479a54e20b4SHadar Hen Zion 3480733d4f36SRoi Dayan parse_attr = attr->parse_attr; 34811f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3482733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 34837f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3484d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3485d71f895cSEli Cohen if (!key.tc_tunnel) { 3486d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3487d71f895cSEli Cohen return -EOPNOTSUPP; 3488d71f895cSEli Cohen } 3489733d4f36SRoi Dayan 34907f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3491a54e20b4SHadar Hen Zion 349261086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3493948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3494a54e20b4SHadar Hen Zion 3495b2812089SVlad Buslov /* must verify if encap is valid or not */ 3496d589e785SVlad Buslov if (e) { 3497554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3498554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3499554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3500554fe75cSDmytro Linkin goto out_err; 3501554fe75cSDmytro Linkin } 3502554fe75cSDmytro Linkin 3503d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3504d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3505d589e785SVlad Buslov 3506d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3507d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 35083c140dd5SVlad Buslov if (e->compl_result < 0) { 3509d589e785SVlad Buslov err = -EREMOTEIO; 3510d589e785SVlad Buslov goto out_err; 3511d589e785SVlad Buslov } 351245247bf2SOr Gerlitz goto attach_flow; 3513d589e785SVlad Buslov } 3514a54e20b4SHadar Hen Zion 3515a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 351661086f39SVlad Buslov if (!e) { 351761086f39SVlad Buslov err = -ENOMEM; 351861086f39SVlad Buslov goto out_err; 351961086f39SVlad Buslov } 3520a54e20b4SHadar Hen Zion 3521948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3522d589e785SVlad Buslov init_completion(&e->res_ready); 3523d589e785SVlad Buslov 35242a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 35252a4b6526SVlad Buslov if (!tun_info) { 35262a4b6526SVlad Buslov err = -ENOMEM; 35272a4b6526SVlad Buslov goto out_err_init; 35282a4b6526SVlad Buslov } 35291f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3530101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 35312a4b6526SVlad Buslov if (err) 35322a4b6526SVlad Buslov goto out_err_init; 353354c177caSOz Shlomo 3534a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3535d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3536d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3537a54e20b4SHadar Hen Zion 3538ce99f6b9SOr Gerlitz if (family == AF_INET) 3539101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3540ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3541101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3542ce99f6b9SOr Gerlitz 3543d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3544d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3545d589e785SVlad Buslov complete_all(&e->res_ready); 3546d589e785SVlad Buslov if (err) { 3547d589e785SVlad Buslov e->compl_result = err; 3548a54e20b4SHadar Hen Zion goto out_err; 3549d589e785SVlad Buslov } 35503c140dd5SVlad Buslov e->compl_result = 1; 3551a54e20b4SHadar Hen Zion 355245247bf2SOr Gerlitz attach_flow: 3553948993f2SVlad Buslov flow->encaps[out_index].e = e; 35548c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 35558c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 355645247bf2SOr Gerlitz *encap_dev = e->out_dev; 35578c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 35582b688ea5SMaor Gottlieb attr->dests[out_index].pkt_reformat = e->pkt_reformat; 35598c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 35600ad060eeSRoi Dayan *encap_valid = true; 35618c4dc42bSEli Britstein } else { 35620ad060eeSRoi Dayan *encap_valid = false; 35638c4dc42bSEli Britstein } 356461086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 356545247bf2SOr Gerlitz 3566232c0013SHadar Hen Zion return err; 3567a54e20b4SHadar Hen Zion 3568a54e20b4SHadar Hen Zion out_err: 356961086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3570d589e785SVlad Buslov if (e) 3571d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3572a54e20b4SHadar Hen Zion return err; 35732a4b6526SVlad Buslov 35742a4b6526SVlad Buslov out_err_init: 35752a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 35762a4b6526SVlad Buslov kfree(tun_info); 35772a4b6526SVlad Buslov kfree(e); 35782a4b6526SVlad Buslov return err; 3579a54e20b4SHadar Hen Zion } 3580a54e20b4SHadar Hen Zion 358114e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 358214e6b038SEli Cohen struct mlx5e_tc_flow *flow, 358314e6b038SEli Cohen struct netlink_ext_ack *extack) 358414e6b038SEli Cohen { 358514e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 358614e6b038SEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 358714e6b038SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr; 358814e6b038SEli Cohen struct mlx5e_decap_entry *d; 358914e6b038SEli Cohen struct mlx5e_decap_key key; 359014e6b038SEli Cohen uintptr_t hash_key; 359128619046SNathan Chancellor int err = 0; 359214e6b038SEli Cohen 359314e6b038SEli Cohen parse_attr = attr->parse_attr; 359414e6b038SEli Cohen if (sizeof(parse_attr->eth) > MLX5_CAP_ESW(priv->mdev, max_encap_header_size)) { 359514e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 359614e6b038SEli Cohen "encap header larger than max supported"); 359714e6b038SEli Cohen return -EOPNOTSUPP; 359814e6b038SEli Cohen } 359914e6b038SEli Cohen 360014e6b038SEli Cohen key.key = parse_attr->eth; 360114e6b038SEli Cohen hash_key = hash_decap_info(&key); 360214e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 360314e6b038SEli Cohen d = mlx5e_decap_get(priv, &key, hash_key); 360414e6b038SEli Cohen if (d) { 360514e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 360614e6b038SEli Cohen wait_for_completion(&d->res_ready); 360714e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 360814e6b038SEli Cohen if (d->compl_result) { 360914e6b038SEli Cohen err = -EREMOTEIO; 361014e6b038SEli Cohen goto out_free; 361114e6b038SEli Cohen } 361214e6b038SEli Cohen goto found; 361314e6b038SEli Cohen } 361414e6b038SEli Cohen 361514e6b038SEli Cohen d = kzalloc(sizeof(*d), GFP_KERNEL); 361614e6b038SEli Cohen if (!d) { 361714e6b038SEli Cohen err = -ENOMEM; 361814e6b038SEli Cohen goto out_err; 361914e6b038SEli Cohen } 362014e6b038SEli Cohen 362114e6b038SEli Cohen d->key = key; 362214e6b038SEli Cohen refcount_set(&d->refcnt, 1); 362314e6b038SEli Cohen init_completion(&d->res_ready); 362414e6b038SEli Cohen INIT_LIST_HEAD(&d->flows); 362514e6b038SEli Cohen hash_add_rcu(esw->offloads.decap_tbl, &d->hlist, hash_key); 362614e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 362714e6b038SEli Cohen 362814e6b038SEli Cohen d->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 362914e6b038SEli Cohen MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2, 363014e6b038SEli Cohen sizeof(parse_attr->eth), 363114e6b038SEli Cohen &parse_attr->eth, 363214e6b038SEli Cohen MLX5_FLOW_NAMESPACE_FDB); 363314e6b038SEli Cohen if (IS_ERR(d->pkt_reformat)) { 363414e6b038SEli Cohen err = PTR_ERR(d->pkt_reformat); 363514e6b038SEli Cohen d->compl_result = err; 363614e6b038SEli Cohen } 363714e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 363814e6b038SEli Cohen complete_all(&d->res_ready); 363914e6b038SEli Cohen if (err) 364014e6b038SEli Cohen goto out_free; 364114e6b038SEli Cohen 364214e6b038SEli Cohen found: 364314e6b038SEli Cohen flow->decap_reformat = d; 364414e6b038SEli Cohen attr->decap_pkt_reformat = d->pkt_reformat; 364514e6b038SEli Cohen list_add(&flow->l3_to_l2_reformat, &d->flows); 364614e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 364714e6b038SEli Cohen return 0; 364814e6b038SEli Cohen 364914e6b038SEli Cohen out_free: 365014e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 365114e6b038SEli Cohen mlx5e_decap_put(priv, d); 365214e6b038SEli Cohen return err; 365314e6b038SEli Cohen 365414e6b038SEli Cohen out_err: 365514e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 365614e6b038SEli Cohen return err; 365714e6b038SEli Cohen } 365814e6b038SEli Cohen 36591482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 366073867881SPablo Neira Ayuso const struct flow_action_entry *act, 36611482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 36621482bd3dSJianbo Liu u32 *action) 36631482bd3dSJianbo Liu { 3664cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3665cc495188SJianbo Liu 3666cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 36671482bd3dSJianbo Liu return -EOPNOTSUPP; 3668cc495188SJianbo Liu 366973867881SPablo Neira Ayuso switch (act->id) { 367073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3671cc495188SJianbo Liu if (vlan_idx) { 3672cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3673cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3674cc495188SJianbo Liu return -EOPNOTSUPP; 3675cc495188SJianbo Liu 3676cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3677cc495188SJianbo Liu } else { 3678cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3679cc495188SJianbo Liu } 368073867881SPablo Neira Ayuso break; 368173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 368273867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 368373867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 368473867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3685cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3686cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3687cc495188SJianbo Liu 3688cc495188SJianbo Liu if (vlan_idx) { 3689cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3690cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3691cc495188SJianbo Liu return -EOPNOTSUPP; 3692cc495188SJianbo Liu 3693cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3694cc495188SJianbo Liu } else { 3695cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 369673867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 369773867881SPablo Neira Ayuso act->vlan.prio)) 3698cc495188SJianbo Liu return -EOPNOTSUPP; 3699cc495188SJianbo Liu 3700cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 37011482bd3dSJianbo Liu } 370273867881SPablo Neira Ayuso break; 370373867881SPablo Neira Ayuso default: 3704bdc837eeSEli Britstein return -EINVAL; 37051482bd3dSJianbo Liu } 37061482bd3dSJianbo Liu 3707cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3708cc495188SJianbo Liu 37091482bd3dSJianbo Liu return 0; 37101482bd3dSJianbo Liu } 37111482bd3dSJianbo Liu 3712d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3713d34eb2fcSOr Gerlitz struct net_device *out_dev) 3714d34eb2fcSOr Gerlitz { 3715d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3716d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3717d34eb2fcSOr Gerlitz 3718d34eb2fcSOr Gerlitz rcu_read_lock(); 3719d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3720d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3721d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3722d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3723d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3724d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3725d34eb2fcSOr Gerlitz if (fdb_out_dev && 3726d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3727d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3728d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3729d34eb2fcSOr Gerlitz } 3730d34eb2fcSOr Gerlitz rcu_read_unlock(); 3731d34eb2fcSOr Gerlitz return fdb_out_dev; 3732d34eb2fcSOr Gerlitz } 3733d34eb2fcSOr Gerlitz 3734278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3735278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3736278748a9SEli Britstein struct net_device **out_dev, 3737278748a9SEli Britstein u32 *action) 3738278748a9SEli Britstein { 3739278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3740278748a9SEli Britstein struct flow_action_entry vlan_act = { 3741278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3742278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3743278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3744278748a9SEli Britstein .vlan.prio = 0, 3745278748a9SEli Britstein }; 3746278748a9SEli Britstein int err; 3747278748a9SEli Britstein 3748278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3749278748a9SEli Britstein if (err) 3750278748a9SEli Britstein return err; 3751278748a9SEli Britstein 3752278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3753278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3754278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3755278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3756278748a9SEli Britstein 3757278748a9SEli Britstein return err; 3758278748a9SEli Britstein } 3759278748a9SEli Britstein 376035a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 376135a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 376235a605dbSEli Britstein u32 *action) 376335a605dbSEli Britstein { 376435a605dbSEli Britstein struct flow_action_entry vlan_act = { 376535a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 376635a605dbSEli Britstein }; 376770f478caSDmytro Linkin int nest_level, err = 0; 376835a605dbSEli Britstein 376970f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 377070f478caSDmytro Linkin priv->netdev->lower_level; 377135a605dbSEli Britstein while (nest_level--) { 377235a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 377335a605dbSEli Britstein if (err) 377435a605dbSEli Britstein return err; 377535a605dbSEli Britstein } 377635a605dbSEli Britstein 377735a605dbSEli Britstein return err; 377835a605dbSEli Britstein } 377935a605dbSEli Britstein 378032134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 378132134847SMaor Dickman struct net_device *peer_netdev) 378232134847SMaor Dickman { 378332134847SMaor Dickman struct mlx5e_priv *peer_priv; 378432134847SMaor Dickman 378532134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 378632134847SMaor Dickman 378732134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 378832134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 378932134847SMaor Dickman same_hw_devs(priv, peer_priv); 379032134847SMaor Dickman } 379132134847SMaor Dickman 379232134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 379332134847SMaor Dickman struct net_device *peer_netdev) 379432134847SMaor Dickman { 379532134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 379632134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 379732134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 379832134847SMaor Dickman } 379932134847SMaor Dickman 3800f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3801f6dc1264SPaul Blakey struct net_device *out_dev) 3802f6dc1264SPaul Blakey { 380332134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 380432134847SMaor Dickman return true; 380532134847SMaor Dickman 380632134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3807f6dc1264SPaul Blakey return true; 3808f6dc1264SPaul Blakey 3809f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 381032134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3811f6dc1264SPaul Blakey } 3812f6dc1264SPaul Blakey 3813554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3814554fe75cSDmytro Linkin struct net_device *out_dev, 3815554fe75cSDmytro Linkin int *ifindexes, int if_count, 3816554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3817554fe75cSDmytro Linkin { 3818554fe75cSDmytro Linkin int i; 3819554fe75cSDmytro Linkin 3820554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3821554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3822554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3823554fe75cSDmytro Linkin "can't duplicate output to same device"); 3824554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3825554fe75cSDmytro Linkin out_dev->name); 3826554fe75cSDmytro Linkin return true; 3827554fe75cSDmytro Linkin } 3828554fe75cSDmytro Linkin } 3829554fe75cSDmytro Linkin 3830554fe75cSDmytro Linkin return false; 3831554fe75cSDmytro Linkin } 3832554fe75cSDmytro Linkin 38332fbbc30dSEli Cohen static int mlx5_validate_goto_chain(struct mlx5_eswitch *esw, 38342fbbc30dSEli Cohen struct mlx5e_tc_flow *flow, 38352fbbc30dSEli Cohen const struct flow_action_entry *act, 38362fbbc30dSEli Cohen u32 actions, 38372fbbc30dSEli Cohen struct netlink_ext_ack *extack) 38382fbbc30dSEli Cohen { 38392fbbc30dSEli Cohen u32 max_chain = mlx5_esw_chains_get_chain_range(esw); 38402fbbc30dSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 38412fbbc30dSEli Cohen bool ft_flow = mlx5e_is_ft_flow(flow); 38422fbbc30dSEli Cohen u32 dest_chain = act->chain_index; 38432fbbc30dSEli Cohen 38442fbbc30dSEli Cohen if (ft_flow) { 38452fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 38462fbbc30dSEli Cohen return -EOPNOTSUPP; 38472fbbc30dSEli Cohen } 38482fbbc30dSEli Cohen 38492fbbc30dSEli Cohen if (!mlx5_esw_chains_backwards_supported(esw) && 38502fbbc30dSEli Cohen dest_chain <= attr->chain) { 38512fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 38522fbbc30dSEli Cohen "Goto lower numbered chain isn't supported"); 38532fbbc30dSEli Cohen return -EOPNOTSUPP; 38542fbbc30dSEli Cohen } 38552fbbc30dSEli Cohen if (dest_chain > max_chain) { 38562fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 38572fbbc30dSEli Cohen "Requested destination chain is out of supported range"); 38582fbbc30dSEli Cohen return -EOPNOTSUPP; 38592fbbc30dSEli Cohen } 38602fbbc30dSEli Cohen 38612fbbc30dSEli Cohen if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 38622fbbc30dSEli Cohen MLX5_FLOW_CONTEXT_ACTION_DECAP) && 38632fbbc30dSEli Cohen !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat_and_fwd_to_table)) { 38642fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 38652fbbc30dSEli Cohen "Goto chain is not allowed if action has reformat or decap"); 38662fbbc30dSEli Cohen return -EOPNOTSUPP; 38672fbbc30dSEli Cohen } 38682fbbc30dSEli Cohen 38692fbbc30dSEli Cohen return 0; 38702fbbc30dSEli Cohen } 38712fbbc30dSEli Cohen 3872613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3873613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3874613f53feSEli Cohen struct net_device *out_dev, 3875613f53feSEli Cohen struct netlink_ext_ack *extack) 3876613f53feSEli Cohen { 3877613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3878613f53feSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3879613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3880613f53feSEli Cohen 3881613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3882613f53feSEli Cohen * uplink ports is allowed only if 3883613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3884613f53feSEli Cohen * 3885613f53feSEli Cohen * Input vport was stored esw_attr->in_rep. 3886613f53feSEli Cohen * In LAG case, *priv* is the private data of 3887613f53feSEli Cohen * uplink which may be not the input vport. 3888613f53feSEli Cohen */ 3889613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3890613f53feSEli Cohen 3891613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3892613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3893613f53feSEli Cohen return 0; 3894613f53feSEli Cohen 3895613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3896613f53feSEli Cohen termination_table_raw_traffic)) { 3897613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3898613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3899613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3900613f53feSEli Cohen priv->netdev->name, out_dev->name); 3901613f53feSEli Cohen return -EOPNOTSUPP; 3902613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3903613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3904613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3905613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3906613f53feSEli Cohen priv->netdev->name, out_dev->name); 3907613f53feSEli Cohen return -EOPNOTSUPP; 3908613f53feSEli Cohen } 3909613f53feSEli Cohen return 0; 3910613f53feSEli Cohen } 3911613f53feSEli Cohen 391273867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 391373867881SPablo Neira Ayuso struct flow_action *flow_action, 3914e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 391514e6b038SEli Cohen struct netlink_ext_ack *extack, 391614e6b038SEli Cohen struct net_device *filter_dev) 3917a54e20b4SHadar Hen Zion { 391873867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3919bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3920ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 39216f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 39221d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 392373867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3924554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 392584179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 392673867881SPablo Neira Ayuso const struct flow_action_entry *act; 39270a7fcb78SPaul Blakey bool encap = false, decap = false; 39280a7fcb78SPaul Blakey u32 action = attr->action; 3929554fe75cSDmytro Linkin int err, i, if_count = 0; 3930f828ca6aSEli Cohen bool mpls_push = false; 393103a9d11eSOr Gerlitz 393273867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 393303a9d11eSOr Gerlitz return -EINVAL; 393403a9d11eSOr Gerlitz 393553eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 393653eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3937319a1d19SJiri Pirko return -EOPNOTSUPP; 3938319a1d19SJiri Pirko 393973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 394073867881SPablo Neira Ayuso switch (act->id) { 394173867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 39421cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 394303a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 394473867881SPablo Neira Ayuso break; 3945f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3946f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3947f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3948f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3949f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3950f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 3951f828ca6aSEli Cohen return -EOPNOTSUPP; 3952f828ca6aSEli Cohen } 3953f828ca6aSEli Cohen mpls_push = true; 3954f828ca6aSEli Cohen break; 395514e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 395614e6b038SEli Cohen /* we only support mpls pop if it is the first action 395714e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 395814e6b038SEli Cohen * actions can be pedit and the last can be mirred 395914e6b038SEli Cohen * egress redirect. 396014e6b038SEli Cohen */ 396114e6b038SEli Cohen if (i) { 396214e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 396314e6b038SEli Cohen "mpls pop supported only as first action"); 396414e6b038SEli Cohen return -EOPNOTSUPP; 396514e6b038SEli Cohen } 396614e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) { 396714e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 396814e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 396914e6b038SEli Cohen return -EOPNOTSUPP; 397014e6b038SEli Cohen } 397114e6b038SEli Cohen 397214e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 397314e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 397414e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 397514e6b038SEli Cohen break; 397673867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 397773867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 397873867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3979582234b4SEli Cohen parse_attr, hdrs, flow, extack); 3980d7e75a32SOr Gerlitz if (err) 3981d7e75a32SOr Gerlitz return err; 3982d7e75a32SOr Gerlitz 3983582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 39841cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3985e85e02baSEli Britstein attr->split_count = attr->out_count; 3986582234b4SEli Cohen } 398773867881SPablo Neira Ayuso break; 398873867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 39891cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 399073867881SPablo Neira Ayuso act->csum_flags, extack)) 399173867881SPablo Neira Ayuso break; 399226c02749SOr Gerlitz 399326c02749SOr Gerlitz return -EOPNOTSUPP; 399473867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 399573867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 399603a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3997592d3651SChris Mi struct net_device *out_dev; 399803a9d11eSOr Gerlitz 399973867881SPablo Neira Ayuso out_dev = act->dev; 4000ef381359SOz Shlomo if (!out_dev) { 4001ef381359SOz Shlomo /* out_dev is NULL when filters with 4002ef381359SOz Shlomo * non-existing mirred device are replayed to 4003ef381359SOz Shlomo * the driver. 4004ef381359SOz Shlomo */ 4005ef381359SOz Shlomo return -EINVAL; 4006ef381359SOz Shlomo } 400703a9d11eSOr Gerlitz 4008f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 4009f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4010f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 4011f828ca6aSEli Cohen return -EOPNOTSUPP; 4012f828ca6aSEli Cohen } 4013f828ca6aSEli Cohen 401484179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 401584179981SPaul Blakey /* Ignore forward to self rules generated 401684179981SPaul Blakey * by adding both mlx5 devs to the flow table 401784179981SPaul Blakey * block on a normal nft offload setup. 401884179981SPaul Blakey */ 401984179981SPaul Blakey return -EOPNOTSUPP; 402084179981SPaul Blakey } 402184179981SPaul Blakey 4022592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 4023e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4024e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 40254ccd83f4SRoi Dayan netdev_warn(priv->netdev, 40264ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 4027592d3651SChris Mi attr->out_count); 4028592d3651SChris Mi return -EOPNOTSUPP; 4029592d3651SChris Mi } 4030592d3651SChris Mi 4031f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4032f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 4033b6a4ac24SVlad Buslov if (encap) { 4034b6a4ac24SVlad Buslov parse_attr->mirred_ifindex[attr->out_count] = 4035b6a4ac24SVlad Buslov out_dev->ifindex; 4036b6a4ac24SVlad Buslov parse_attr->tun_info[attr->out_count] = dup_tun_info(info); 4037b6a4ac24SVlad Buslov if (!parse_attr->tun_info[attr->out_count]) 4038b6a4ac24SVlad Buslov return -ENOMEM; 4039b6a4ac24SVlad Buslov encap = false; 4040b6a4ac24SVlad Buslov attr->dests[attr->out_count].flags |= 4041b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 4042b6a4ac24SVlad Buslov attr->out_count++; 4043b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 4044b6a4ac24SVlad Buslov * handle encap 4045b6a4ac24SVlad Buslov */ 4046b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 40477ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 40487ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 40497ba58ba7SRabie Loulou 4050554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 4051554fe75cSDmytro Linkin out_dev, 4052554fe75cSDmytro Linkin ifindexes, 4053554fe75cSDmytro Linkin if_count, 4054554fe75cSDmytro Linkin extack)) 4055554fe75cSDmytro Linkin return -EOPNOTSUPP; 4056554fe75cSDmytro Linkin 4057554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 4058554fe75cSDmytro Linkin if_count++; 4059554fe75cSDmytro Linkin 4060d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 4061d34eb2fcSOr Gerlitz if (!out_dev) 4062d34eb2fcSOr Gerlitz return -ENODEV; 40637ba58ba7SRabie Loulou 4064278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 4065278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 4066278748a9SEli Britstein &out_dev, 4067278748a9SEli Britstein &action); 4068278748a9SEli Britstein if (err) 4069278748a9SEli Britstein return err; 4070278748a9SEli Britstein } 4071f6dc1264SPaul Blakey 407235a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 407335a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 407435a605dbSEli Britstein &action); 407535a605dbSEli Britstein if (err) 407635a605dbSEli Britstein return err; 407735a605dbSEli Britstein } 4078278748a9SEli Britstein 4079613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 4080613f53feSEli Cohen if (err) 4081613f53feSEli Cohen return err; 4082ffec9702STonghao Zhang 4083f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 4084f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 4085f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 4086a0646c88SEli Britstein return -EOPNOTSUPP; 4087f6dc1264SPaul Blakey } 4088a0646c88SEli Britstein 408903a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 40901d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 4091df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 4092df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 4093df65a573SEli Britstein attr->out_count++; 4094ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 4095ef381359SOz Shlomo /* All mlx5 devices are called to configure 4096ef381359SOz Shlomo * high level device filters. Therefore, the 4097ef381359SOz Shlomo * *attempt* to install a filter on invalid 4098ef381359SOz Shlomo * eswitch should not trigger an explicit error 4099ef381359SOz Shlomo */ 4100ef381359SOz Shlomo return -EINVAL; 4101a54e20b4SHadar Hen Zion } else { 4102e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4103e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 41044ccd83f4SRoi Dayan netdev_warn(priv->netdev, 41054ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 41064ccd83f4SRoi Dayan priv->netdev->name, 41074ccd83f4SRoi Dayan out_dev->name); 4108a54e20b4SHadar Hen Zion return -EINVAL; 4109a54e20b4SHadar Hen Zion } 4110a54e20b4SHadar Hen Zion } 411173867881SPablo Neira Ayuso break; 411273867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 411373867881SPablo Neira Ayuso info = act->tunnel; 4114a54e20b4SHadar Hen Zion if (info) 4115a54e20b4SHadar Hen Zion encap = true; 4116a54e20b4SHadar Hen Zion else 4117a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 411803a9d11eSOr Gerlitz 411973867881SPablo Neira Ayuso break; 412073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 412173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 412276b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 412376b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 412476b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 412576b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 412676b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 412776b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 412876b496b1SEli Britstein act, parse_attr, hdrs, 412976b496b1SEli Britstein &action, extack); 413076b496b1SEli Britstein } else { 413173867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 413276b496b1SEli Britstein } 41331482bd3dSJianbo Liu if (err) 41341482bd3dSJianbo Liu return err; 41351482bd3dSJianbo Liu 4136e85e02baSEli Britstein attr->split_count = attr->out_count; 413773867881SPablo Neira Ayuso break; 4138bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 4139bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 4140bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 4141bdc837eeSEli Britstein act, parse_attr, hdrs, 4142bdc837eeSEli Britstein &action, extack); 4143bdc837eeSEli Britstein if (err) 4144bdc837eeSEli Britstein return err; 4145bdc837eeSEli Britstein 4146bdc837eeSEli Britstein attr->split_count = attr->out_count; 4147bdc837eeSEli Britstein break; 414873867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 41490a7fcb78SPaul Blakey decap = true; 415073867881SPablo Neira Ayuso break; 41512fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 41522fbbc30dSEli Cohen err = mlx5_validate_goto_chain(esw, flow, act, action, 41532fbbc30dSEli Cohen extack); 41542fbbc30dSEli Cohen if (err) 41552fbbc30dSEli Cohen return err; 4156bf07aa73SPaul Blakey 4157e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 41582fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 415973867881SPablo Neira Ayuso break; 41604c3844d9SPaul Blakey case FLOW_ACTION_CT: 41614c3844d9SPaul Blakey err = mlx5_tc_ct_parse_action(priv, attr, act, extack); 41624c3844d9SPaul Blakey if (err) 41634c3844d9SPaul Blakey return err; 41644c3844d9SPaul Blakey 41654c3844d9SPaul Blakey flow_flag_set(flow, CT); 41664c3844d9SPaul Blakey break; 416773867881SPablo Neira Ayuso default: 41682cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 41692cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 417003a9d11eSOr Gerlitz } 417173867881SPablo Neira Ayuso } 4172bdd66ac0SOr Gerlitz 41730bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 41740bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 41750bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 41760bac1194SEli Britstein * tag rewrite. 41770bac1194SEli Britstein */ 41780bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 41790bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 41800bac1194SEli Britstein &action, extack); 41810bac1194SEli Britstein if (err) 41820bac1194SEli Britstein return err; 41830bac1194SEli Britstein } 41840bac1194SEli Britstein 4185c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 4186c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 418784be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 418827c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 4189c500c86bSPablo Neira Ayuso if (err) 4190c500c86bSPablo Neira Ayuso return err; 419127c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 419227c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 419327c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 419427c11b6bSEli Britstein */ 41956ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 419627c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 41976ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 419827c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 419927c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 420027c11b6bSEli Britstein attr->split_count = 0; 420127c11b6bSEli Britstein } 4202c500c86bSPablo Neira Ayuso } 4203c500c86bSPablo Neira Ayuso 42041cab1cd7SOr Gerlitz attr->action = action; 420573867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4206bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4207bdd66ac0SOr Gerlitz 4208e88afe75SOr Gerlitz if (attr->dest_chain) { 42090a7fcb78SPaul Blakey if (decap) { 42100a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 42110a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 42120a7fcb78SPaul Blakey * this tunnel id with this decap flow. 42130a7fcb78SPaul Blakey * 42140a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 42150a7fcb78SPaul Blakey * device. 42160a7fcb78SPaul Blakey */ 42170a7fcb78SPaul Blakey 42180a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 42190a7fcb78SPaul Blakey "Decap with goto isn't supported"); 42200a7fcb78SPaul Blakey netdev_warn(priv->netdev, 42210a7fcb78SPaul Blakey "Decap with goto isn't supported"); 42220a7fcb78SPaul Blakey return -EOPNOTSUPP; 42230a7fcb78SPaul Blakey } 42240a7fcb78SPaul Blakey 4225e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 422661644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 422761644c3dSRoi Dayan "Mirroring goto chain rules isn't supported"); 4228e88afe75SOr Gerlitz return -EOPNOTSUPP; 4229e88afe75SOr Gerlitz } 4230e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4231e88afe75SOr Gerlitz } 4232e88afe75SOr Gerlitz 4233ae2741e2SVlad Buslov if (!(attr->action & 4234ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 423561644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 423661644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 4237ae2741e2SVlad Buslov return -EOPNOTSUPP; 4238ae2741e2SVlad Buslov } 4239ae2741e2SVlad Buslov 4240e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4241e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4242e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4243592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4244592d3651SChris Mi return -EOPNOTSUPP; 4245592d3651SChris Mi } 4246592d3651SChris Mi 424731c8eba5SOr Gerlitz return 0; 424803a9d11eSOr Gerlitz } 424903a9d11eSOr Gerlitz 4250226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 425160bd4af8SOr Gerlitz { 4252226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 425360bd4af8SOr Gerlitz 4254226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4255226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4256226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4257226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 425860bd4af8SOr Gerlitz 4259226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4260226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4261226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4262226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 426384179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 426484179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4265d9ee0491SOr Gerlitz 426660bd4af8SOr Gerlitz *flow_flags = __flow_flags; 426760bd4af8SOr Gerlitz } 426860bd4af8SOr Gerlitz 426905866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 427005866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 427105866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 427205866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 427305866c82SOr Gerlitz .automatic_shrinking = true, 427405866c82SOr Gerlitz }; 427505866c82SOr Gerlitz 4276226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4277226f2ca3SVlad Buslov unsigned long flags) 427805866c82SOr Gerlitz { 4279655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4280655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4281655dc3d2SOr Gerlitz 4282226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4283655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4284ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4285d9ee0491SOr Gerlitz } else /* NIC offload */ 428605866c82SOr Gerlitz return &priv->fs.tc.ht; 428705866c82SOr Gerlitz } 428805866c82SOr Gerlitz 428904de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 429004de7ddaSRoi Dayan { 42911418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 4292b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 4293226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 42941418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 42951418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 42961418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 42971418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 42981418ddd9SAviv Heller 429910fbb1cdSRoi Dayan if (!esw_paired) 430010fbb1cdSRoi Dayan return false; 430110fbb1cdSRoi Dayan 430210fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 430310fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 430410fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 430510fbb1cdSRoi Dayan return true; 430610fbb1cdSRoi Dayan 430710fbb1cdSRoi Dayan return false; 430804de7ddaSRoi Dayan } 430904de7ddaSRoi Dayan 4310a88780a9SRoi Dayan static int 4311a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4312226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4313a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4314a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4315e3a2b7edSAmir Vadai { 431617091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 43173bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 43185a7e5bcbSVlad Buslov int out_index, err; 4319776b12b6SOr Gerlitz 432065ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 43211b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 432217091853SOr Gerlitz if (!parse_attr || !flow) { 4323e3a2b7edSAmir Vadai err = -ENOMEM; 4324e3a2b7edSAmir Vadai goto err_free; 4325e3a2b7edSAmir Vadai } 4326e3a2b7edSAmir Vadai 4327e3a2b7edSAmir Vadai flow->cookie = f->cookie; 432865ba8fb7SOr Gerlitz flow->flags = flow_flags; 4329655dc3d2SOr Gerlitz flow->priv = priv; 43305a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 43315a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 43325a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 433314e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 43345a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 433595435ad7SVlad Buslov init_completion(&flow->init_done); 4336e3a2b7edSAmir Vadai 4337a88780a9SRoi Dayan *__flow = flow; 4338a88780a9SRoi Dayan *__parse_attr = parse_attr; 4339a88780a9SRoi Dayan 4340a88780a9SRoi Dayan return 0; 4341a88780a9SRoi Dayan 4342a88780a9SRoi Dayan err_free: 4343a88780a9SRoi Dayan kfree(flow); 4344a88780a9SRoi Dayan kvfree(parse_attr); 4345a88780a9SRoi Dayan return err; 4346adb4c123SOr Gerlitz } 4347adb4c123SOr Gerlitz 4348988ab9c7STonghao Zhang static void 4349988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 4350988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4351988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4352f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4353988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4354988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4355988ab9c7STonghao Zhang { 4356988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4357988ab9c7STonghao Zhang 4358988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 4359988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 4360ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 4361988ab9c7STonghao Zhang 4362988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4363988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4364988ab9c7STonghao Zhang 4365988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4366988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4367988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4368988ab9c7STonghao Zhang else 4369988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4370988ab9c7STonghao Zhang } 4371988ab9c7STonghao Zhang 437271129676SJason Gunthorpe static struct mlx5e_tc_flow * 437304de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4374f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4375226f2ca3SVlad Buslov unsigned long flow_flags, 4376d11afc26SOz Shlomo struct net_device *filter_dev, 437704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 437871129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4379a88780a9SRoi Dayan { 4380f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4381a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4382a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4383a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4384a88780a9SRoi Dayan int attr_size, err; 4385a88780a9SRoi Dayan 4386226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4387a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4388a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4389a88780a9SRoi Dayan &parse_attr, &flow); 4390a88780a9SRoi Dayan if (err) 4391a88780a9SRoi Dayan goto out; 4392988ab9c7STonghao Zhang 4393d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4394988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 4395988ab9c7STonghao Zhang priv, parse_attr, 4396988ab9c7STonghao Zhang f, in_rep, in_mdev); 4397988ab9c7STonghao Zhang 439854c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 439954c177caSOz Shlomo f, filter_dev); 4400d11afc26SOz Shlomo if (err) 4401d11afc26SOz Shlomo goto err_free; 4402a88780a9SRoi Dayan 44037e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 440454b154ecSEli Britstein err = mlx5_tc_ct_parse_match(priv, &parse_attr->spec, f, 440554b154ecSEli Britstein &flow->esw_attr->ct_attr, extack); 4406a88780a9SRoi Dayan if (err) 4407a88780a9SRoi Dayan goto err_free; 4408a88780a9SRoi Dayan 44097e36feebSPaul Blakey err = parse_tc_fdb_actions(priv, &rule->action, flow, extack, filter_dev); 44104c3844d9SPaul Blakey if (err) 44114c3844d9SPaul Blakey goto err_free; 44124c3844d9SPaul Blakey 44137040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 441495435ad7SVlad Buslov complete_all(&flow->init_done); 4415ef06c9eeSRoi Dayan if (err) { 4416ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4417aa0cbbaeSOr Gerlitz goto err_free; 44185c40348cSOr Gerlitz 4419b4a23329SRoi Dayan add_unready_flow(flow); 4420ef06c9eeSRoi Dayan } 4421ef06c9eeSRoi Dayan 442271129676SJason Gunthorpe return flow; 4423e3a2b7edSAmir Vadai 4424e3a2b7edSAmir Vadai err_free: 44255a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4426a88780a9SRoi Dayan out: 442771129676SJason Gunthorpe return ERR_PTR(err); 4428a88780a9SRoi Dayan } 4429a88780a9SRoi Dayan 4430f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 443195dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4432226f2ca3SVlad Buslov unsigned long flow_flags) 443304de7ddaSRoi Dayan { 443404de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 443504de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 443604de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 443704de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 443804de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 443904de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 444004de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 444104de7ddaSRoi Dayan int err = 0; 444204de7ddaSRoi Dayan 444304de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 444404de7ddaSRoi Dayan if (!peer_esw) 444504de7ddaSRoi Dayan return -ENODEV; 444604de7ddaSRoi Dayan 444704de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 444804de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 444904de7ddaSRoi Dayan 445004de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 445104de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 445204de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 445304de7ddaSRoi Dayan * peer mdev. 445404de7ddaSRoi Dayan */ 4455b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 445604de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 445704de7ddaSRoi Dayan else 445804de7ddaSRoi Dayan in_mdev = priv->mdev; 445904de7ddaSRoi Dayan 446004de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 446195dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 446204de7ddaSRoi Dayan parse_attr->filter_dev, 446371129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 446471129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 446571129676SJason Gunthorpe err = PTR_ERR(peer_flow); 446604de7ddaSRoi Dayan goto out; 446771129676SJason Gunthorpe } 446804de7ddaSRoi Dayan 446904de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4470226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 447104de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 447204de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 447304de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 447404de7ddaSRoi Dayan 447504de7ddaSRoi Dayan out: 447604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 447704de7ddaSRoi Dayan return err; 447804de7ddaSRoi Dayan } 447904de7ddaSRoi Dayan 448004de7ddaSRoi Dayan static int 448104de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4482f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4483226f2ca3SVlad Buslov unsigned long flow_flags, 448404de7ddaSRoi Dayan struct net_device *filter_dev, 448504de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 448604de7ddaSRoi Dayan { 448704de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 448804de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 448904de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 449004de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 449104de7ddaSRoi Dayan int err; 449204de7ddaSRoi Dayan 449371129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 449471129676SJason Gunthorpe in_mdev); 449571129676SJason Gunthorpe if (IS_ERR(flow)) 449671129676SJason Gunthorpe return PTR_ERR(flow); 449704de7ddaSRoi Dayan 449804de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 449995dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 450004de7ddaSRoi Dayan if (err) { 450104de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 450204de7ddaSRoi Dayan goto out; 450304de7ddaSRoi Dayan } 450404de7ddaSRoi Dayan } 450504de7ddaSRoi Dayan 450604de7ddaSRoi Dayan *__flow = flow; 450704de7ddaSRoi Dayan 450804de7ddaSRoi Dayan return 0; 450904de7ddaSRoi Dayan 451004de7ddaSRoi Dayan out: 451104de7ddaSRoi Dayan return err; 451204de7ddaSRoi Dayan } 451304de7ddaSRoi Dayan 4514a88780a9SRoi Dayan static int 4515a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4516f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4517226f2ca3SVlad Buslov unsigned long flow_flags, 4518d11afc26SOz Shlomo struct net_device *filter_dev, 4519a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4520a88780a9SRoi Dayan { 4521f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4522a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4523a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4524a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4525a88780a9SRoi Dayan int attr_size, err; 4526a88780a9SRoi Dayan 4527bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 4528bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4529bf07aa73SPaul Blakey return -EOPNOTSUPP; 4530bf07aa73SPaul Blakey 4531226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4532a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4533a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4534a88780a9SRoi Dayan &parse_attr, &flow); 4535a88780a9SRoi Dayan if (err) 4536a88780a9SRoi Dayan goto out; 4537a88780a9SRoi Dayan 4538d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 453954c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 454054c177caSOz Shlomo f, filter_dev); 4541d11afc26SOz Shlomo if (err) 4542d11afc26SOz Shlomo goto err_free; 4543d11afc26SOz Shlomo 454473867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4545a88780a9SRoi Dayan if (err) 4546a88780a9SRoi Dayan goto err_free; 4547a88780a9SRoi Dayan 4548a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4549a88780a9SRoi Dayan if (err) 4550a88780a9SRoi Dayan goto err_free; 4551a88780a9SRoi Dayan 4552226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4553a88780a9SRoi Dayan kvfree(parse_attr); 4554a88780a9SRoi Dayan *__flow = flow; 4555a88780a9SRoi Dayan 4556a88780a9SRoi Dayan return 0; 4557a88780a9SRoi Dayan 4558a88780a9SRoi Dayan err_free: 45595a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4560a88780a9SRoi Dayan kvfree(parse_attr); 4561a88780a9SRoi Dayan out: 4562a88780a9SRoi Dayan return err; 4563a88780a9SRoi Dayan } 4564a88780a9SRoi Dayan 4565a88780a9SRoi Dayan static int 4566a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4567f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4568226f2ca3SVlad Buslov unsigned long flags, 4569d11afc26SOz Shlomo struct net_device *filter_dev, 4570a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4571a88780a9SRoi Dayan { 4572a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4573226f2ca3SVlad Buslov unsigned long flow_flags; 4574a88780a9SRoi Dayan int err; 4575a88780a9SRoi Dayan 4576a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4577a88780a9SRoi Dayan 4578bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4579bf07aa73SPaul Blakey return -EOPNOTSUPP; 4580bf07aa73SPaul Blakey 4581f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4582d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4583d11afc26SOz Shlomo filter_dev, flow); 4584a88780a9SRoi Dayan else 4585d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4586d11afc26SOz Shlomo filter_dev, flow); 4587a88780a9SRoi Dayan 4588a88780a9SRoi Dayan return err; 4589a88780a9SRoi Dayan } 4590a88780a9SRoi Dayan 4591553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4592553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4593553f9328SVu Pham { 4594553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 45952fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 45962fb15e72SVlad Buslov * function is called from NIC mode. 4597553f9328SVu Pham */ 45982fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4599553f9328SVu Pham } 4600553f9328SVu Pham 460171d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4602226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4603a88780a9SRoi Dayan { 4604a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4605d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4606553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4607a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4608a88780a9SRoi Dayan int err = 0; 4609a88780a9SRoi Dayan 4610c5d326b2SVlad Buslov rcu_read_lock(); 4611c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4612a88780a9SRoi Dayan if (flow) { 4613553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4614553f9328SVu Pham * just return 0. 4615553f9328SVu Pham */ 4616553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4617c1aea9e1SVlad Buslov goto rcu_unlock; 4618553f9328SVu Pham 4619a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4620a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4621a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4622a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4623a88780a9SRoi Dayan f->cookie); 46240e1c1a2fSVlad Buslov err = -EEXIST; 4625c1aea9e1SVlad Buslov goto rcu_unlock; 4626a88780a9SRoi Dayan } 4627c1aea9e1SVlad Buslov rcu_unlock: 4628c1aea9e1SVlad Buslov rcu_read_unlock(); 4629c1aea9e1SVlad Buslov if (flow) 4630c1aea9e1SVlad Buslov goto out; 4631a88780a9SRoi Dayan 46327a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4633d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4634a88780a9SRoi Dayan if (err) 4635a88780a9SRoi Dayan goto out; 4636a88780a9SRoi Dayan 4637553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4638553f9328SVu Pham * set the flow's owner dev. 4639553f9328SVu Pham */ 4640553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4641553f9328SVu Pham flow->orig_dev = dev; 4642553f9328SVu Pham 4643c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4644a88780a9SRoi Dayan if (err) 4645a88780a9SRoi Dayan goto err_free; 4646a88780a9SRoi Dayan 4647a88780a9SRoi Dayan return 0; 4648a88780a9SRoi Dayan 4649a88780a9SRoi Dayan err_free: 46505a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4651a88780a9SRoi Dayan out: 4652e3a2b7edSAmir Vadai return err; 4653e3a2b7edSAmir Vadai } 4654e3a2b7edSAmir Vadai 46558f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 46568f8ae895SOr Gerlitz { 4657226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4658226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 46598f8ae895SOr Gerlitz 4660226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4661226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 46628f8ae895SOr Gerlitz } 46638f8ae895SOr Gerlitz 466471d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4665226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4666e3a2b7edSAmir Vadai { 4667d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4668e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4669c5d326b2SVlad Buslov int err; 4670e3a2b7edSAmir Vadai 4671c5d326b2SVlad Buslov rcu_read_lock(); 4672ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4673c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4674c5d326b2SVlad Buslov err = -EINVAL; 4675c5d326b2SVlad Buslov goto errout; 4676c5d326b2SVlad Buslov } 4677e3a2b7edSAmir Vadai 4678c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4679c5d326b2SVlad Buslov * set. 4680c5d326b2SVlad Buslov */ 4681c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4682c5d326b2SVlad Buslov err = -EINVAL; 4683c5d326b2SVlad Buslov goto errout; 4684c5d326b2SVlad Buslov } 468505866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4686c5d326b2SVlad Buslov rcu_read_unlock(); 4687e3a2b7edSAmir Vadai 46887a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 46895a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4690e3a2b7edSAmir Vadai 4691e3a2b7edSAmir Vadai return 0; 4692c5d326b2SVlad Buslov 4693c5d326b2SVlad Buslov errout: 4694c5d326b2SVlad Buslov rcu_read_unlock(); 4695c5d326b2SVlad Buslov return err; 4696e3a2b7edSAmir Vadai } 4697e3a2b7edSAmir Vadai 469871d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4699226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4700aad7e08dSAmir Vadai { 470104de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4702d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 470304de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4704aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4705aad7e08dSAmir Vadai struct mlx5_fc *counter; 4706316d5f72SRoi Dayan u64 lastuse = 0; 4707316d5f72SRoi Dayan u64 packets = 0; 4708316d5f72SRoi Dayan u64 bytes = 0; 47095a7e5bcbSVlad Buslov int err = 0; 4710aad7e08dSAmir Vadai 4711c5d326b2SVlad Buslov rcu_read_lock(); 4712c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 47135a7e5bcbSVlad Buslov tc_ht_params)); 4714c5d326b2SVlad Buslov rcu_read_unlock(); 47155a7e5bcbSVlad Buslov if (IS_ERR(flow)) 47165a7e5bcbSVlad Buslov return PTR_ERR(flow); 47175a7e5bcbSVlad Buslov 47185a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 47195a7e5bcbSVlad Buslov err = -EINVAL; 47205a7e5bcbSVlad Buslov goto errout; 47215a7e5bcbSVlad Buslov } 4722aad7e08dSAmir Vadai 47234c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4724b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4725aad7e08dSAmir Vadai if (!counter) 47265a7e5bcbSVlad Buslov goto errout; 4727aad7e08dSAmir Vadai 4728aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4729316d5f72SRoi Dayan } 4730aad7e08dSAmir Vadai 4731316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4732316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4733316d5f72SRoi Dayan */ 473404de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 473504de7ddaSRoi Dayan if (!peer_esw) 473604de7ddaSRoi Dayan goto out; 473704de7ddaSRoi Dayan 4738226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4739226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 474004de7ddaSRoi Dayan u64 bytes2; 474104de7ddaSRoi Dayan u64 packets2; 474204de7ddaSRoi Dayan u64 lastuse2; 474304de7ddaSRoi Dayan 474404de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4745316d5f72SRoi Dayan if (!counter) 4746316d5f72SRoi Dayan goto no_peer_counter; 474704de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 474804de7ddaSRoi Dayan 474904de7ddaSRoi Dayan bytes += bytes2; 475004de7ddaSRoi Dayan packets += packets2; 475104de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 475204de7ddaSRoi Dayan } 475304de7ddaSRoi Dayan 4754316d5f72SRoi Dayan no_peer_counter: 475504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 475604de7ddaSRoi Dayan out: 47574b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 475893a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 47597a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 47605a7e5bcbSVlad Buslov errout: 47615a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 47625a7e5bcbSVlad Buslov return err; 4763aad7e08dSAmir Vadai } 4764aad7e08dSAmir Vadai 4765fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 4766fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4767fcb64c0fSEli Cohen { 4768fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4769fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 4770fcb64c0fSEli Cohen u16 vport_num; 4771fcb64c0fSEli Cohen u32 rate_mbps; 4772fcb64c0fSEli Cohen int err; 4773fcb64c0fSEli Cohen 4774e401a184SEli Cohen vport_num = rpriv->rep->vport; 4775e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4776e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4777e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4778e401a184SEli Cohen return -EOPNOTSUPP; 4779e401a184SEli Cohen } 4780e401a184SEli Cohen 4781fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4782fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4783fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4784fcb64c0fSEli Cohen * mbit means million bits. 4785fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4786fcb64c0fSEli Cohen * 1 mbit/sec. 4787fcb64c0fSEli Cohen */ 4788fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 4789fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4790fcb64c0fSEli Cohen if (err) 4791fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4792fcb64c0fSEli Cohen 4793fcb64c0fSEli Cohen return err; 4794fcb64c0fSEli Cohen } 4795fcb64c0fSEli Cohen 4796fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4797fcb64c0fSEli Cohen struct flow_action *flow_action, 4798fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4799fcb64c0fSEli Cohen { 4800fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4801fcb64c0fSEli Cohen const struct flow_action_entry *act; 4802fcb64c0fSEli Cohen int err; 4803fcb64c0fSEli Cohen int i; 4804fcb64c0fSEli Cohen 4805fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4806fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4807fcb64c0fSEli Cohen return -EINVAL; 4808fcb64c0fSEli Cohen } 4809fcb64c0fSEli Cohen 4810fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4811fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4812fcb64c0fSEli Cohen return -EOPNOTSUPP; 4813fcb64c0fSEli Cohen } 4814fcb64c0fSEli Cohen 481553eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 4816319a1d19SJiri Pirko return -EOPNOTSUPP; 4817319a1d19SJiri Pirko 4818fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4819fcb64c0fSEli Cohen switch (act->id) { 4820fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 4821fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4822fcb64c0fSEli Cohen if (err) 4823fcb64c0fSEli Cohen return err; 4824fcb64c0fSEli Cohen 4825fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4826fcb64c0fSEli Cohen break; 4827fcb64c0fSEli Cohen default: 4828fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4829fcb64c0fSEli Cohen return -EOPNOTSUPP; 4830fcb64c0fSEli Cohen } 4831fcb64c0fSEli Cohen } 4832fcb64c0fSEli Cohen 4833fcb64c0fSEli Cohen return 0; 4834fcb64c0fSEli Cohen } 4835fcb64c0fSEli Cohen 4836fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4837fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4838fcb64c0fSEli Cohen { 4839b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4840fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4841fcb64c0fSEli Cohen 4842b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 4843b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 4844b5f814ccSEli Cohen return -EOPNOTSUPP; 4845b5f814ccSEli Cohen } 4846b5f814ccSEli Cohen 48477b83355fSEli Cohen if (ma->common.prio != 1) { 4848fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4849fcb64c0fSEli Cohen return -EINVAL; 4850fcb64c0fSEli Cohen } 4851fcb64c0fSEli Cohen 4852fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4853fcb64c0fSEli Cohen } 4854fcb64c0fSEli Cohen 4855fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4856fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4857fcb64c0fSEli Cohen { 4858fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4859fcb64c0fSEli Cohen 4860fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4861fcb64c0fSEli Cohen } 4862fcb64c0fSEli Cohen 4863fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4864fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4865fcb64c0fSEli Cohen { 4866fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4867fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4868fcb64c0fSEli Cohen u64 dbytes; 4869fcb64c0fSEli Cohen u64 dpkts; 4870fcb64c0fSEli Cohen 4871fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4872fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4873fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4874fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 48754b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 487693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4877fcb64c0fSEli Cohen } 4878fcb64c0fSEli Cohen 48794d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 48804d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 48814d8fcf21SAlaa Hleihel { 48824d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4883db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4884db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 48854d8fcf21SAlaa Hleihel u16 peer_vhca_id; 48864d8fcf21SAlaa Hleihel int bkt; 48874d8fcf21SAlaa Hleihel 48884d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 48894d8fcf21SAlaa Hleihel return; 48904d8fcf21SAlaa Hleihel 48914d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 48924d8fcf21SAlaa Hleihel 4893b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4894db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4895db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4896db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4897b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4898db76ca24SVlad Buslov 4899db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4900db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4901db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4902db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4903db76ca24SVlad Buslov 4904db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4905db76ca24SVlad Buslov } 49064d8fcf21SAlaa Hleihel } 49074d8fcf21SAlaa Hleihel 49084d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 49094d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 49104d8fcf21SAlaa Hleihel { 49114d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 49124d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 49134d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 49144d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 49154d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 49164d8fcf21SAlaa Hleihel 49174d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 49184d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 49194d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 49204d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49214d8fcf21SAlaa Hleihel 49224d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 49234d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 49244d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 49254d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 49264d8fcf21SAlaa Hleihel if (priv == peer_priv || 49274d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 49284d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49294d8fcf21SAlaa Hleihel 49304d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 49314d8fcf21SAlaa Hleihel 49324d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49334d8fcf21SAlaa Hleihel } 49344d8fcf21SAlaa Hleihel 4935655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4936e8f887acSAmir Vadai { 4937acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 49384d8fcf21SAlaa Hleihel int err; 4939e8f887acSAmir Vadai 4940b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4941b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4942b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 49435c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 494411c9c548SOr Gerlitz 49454d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 49464d8fcf21SAlaa Hleihel if (err) 49474d8fcf21SAlaa Hleihel return err; 49484d8fcf21SAlaa Hleihel 49494d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4950d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4951d48834f9SJiri Pirko &tc->netdevice_nb, 4952d48834f9SJiri Pirko &tc->netdevice_nn); 4953d48834f9SJiri Pirko if (err) { 49544d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 49554d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 49564d8fcf21SAlaa Hleihel } 49574d8fcf21SAlaa Hleihel 49584d8fcf21SAlaa Hleihel return err; 4959e8f887acSAmir Vadai } 4960e8f887acSAmir Vadai 4961e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4962e8f887acSAmir Vadai { 4963e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4964655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4965e8f887acSAmir Vadai 4966961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4967e8f887acSAmir Vadai kfree(flow); 4968e8f887acSAmir Vadai } 4969e8f887acSAmir Vadai 4970655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4971e8f887acSAmir Vadai { 4972acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4973e8f887acSAmir Vadai 49744d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4975d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4976d48834f9SJiri Pirko &tc->netdevice_nb, 4977d48834f9SJiri Pirko &tc->netdevice_nn); 49784d8fcf21SAlaa Hleihel 4979b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 4980b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4981b32accdaSVlad Buslov 4982d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4983e8f887acSAmir Vadai 4984acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4985acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4986acff797cSMaor Gottlieb tc->t = NULL; 4987e8f887acSAmir Vadai } 4988b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4989e8f887acSAmir Vadai } 4990655dc3d2SOr Gerlitz 4991655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4992655dc3d2SOr Gerlitz { 4993d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 49940a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 49950a7fcb78SPaul Blakey struct mlx5e_rep_priv *priv; 49960a7fcb78SPaul Blakey struct mapping_ctx *mapping; 49970a7fcb78SPaul Blakey int err; 49980a7fcb78SPaul Blakey 49990a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 50000a7fcb78SPaul Blakey priv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 50010a7fcb78SPaul Blakey 50024c3844d9SPaul Blakey err = mlx5_tc_ct_init(uplink_priv); 50034c3844d9SPaul Blakey if (err) 50044c3844d9SPaul Blakey goto err_ct; 50054c3844d9SPaul Blakey 50060a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 50070a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 50080a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 50090a7fcb78SPaul Blakey err = PTR_ERR(mapping); 50100a7fcb78SPaul Blakey goto err_tun_mapping; 50110a7fcb78SPaul Blakey } 50120a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 50130a7fcb78SPaul Blakey 50140a7fcb78SPaul Blakey mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK, true); 50150a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 50160a7fcb78SPaul Blakey err = PTR_ERR(mapping); 50170a7fcb78SPaul Blakey goto err_enc_opts_mapping; 50180a7fcb78SPaul Blakey } 50190a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 50200a7fcb78SPaul Blakey 50210a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 50220a7fcb78SPaul Blakey if (err) 50230a7fcb78SPaul Blakey goto err_ht_init; 50240a7fcb78SPaul Blakey 50250a7fcb78SPaul Blakey return err; 50260a7fcb78SPaul Blakey 50270a7fcb78SPaul Blakey err_ht_init: 50280a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 50290a7fcb78SPaul Blakey err_enc_opts_mapping: 50300a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 50310a7fcb78SPaul Blakey err_tun_mapping: 50324c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 50334c3844d9SPaul Blakey err_ct: 50340a7fcb78SPaul Blakey netdev_warn(priv->netdev, 50350a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 50360a7fcb78SPaul Blakey return err; 5037655dc3d2SOr Gerlitz } 5038655dc3d2SOr Gerlitz 5039655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5040655dc3d2SOr Gerlitz { 50410a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 50420a7fcb78SPaul Blakey 5043655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 50440a7fcb78SPaul Blakey 50450a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 50460a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 50470a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 50484c3844d9SPaul Blakey 50494c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 5050655dc3d2SOr Gerlitz } 505101252a27SOr Gerlitz 5052226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 505301252a27SOr Gerlitz { 5054d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 505501252a27SOr Gerlitz 505601252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 505701252a27SOr Gerlitz } 505804de7ddaSRoi Dayan 505904de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 506004de7ddaSRoi Dayan { 506104de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 506204de7ddaSRoi Dayan 506304de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 506404de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 506504de7ddaSRoi Dayan } 5066b4a23329SRoi Dayan 5067b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5068b4a23329SRoi Dayan { 5069b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5070b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5071b4a23329SRoi Dayan reoffload_flows_work); 5072b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5073b4a23329SRoi Dayan 5074ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5075b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5076b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5077ad86755bSVlad Buslov unready_flow_del(flow); 5078b4a23329SRoi Dayan } 5079ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5080b4a23329SRoi Dayan } 5081e2394a61SVlad Buslov 5082e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5083e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5084e2394a61SVlad Buslov unsigned long flags) 5085e2394a61SVlad Buslov { 5086e2394a61SVlad Buslov switch (cls_flower->command) { 5087e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5088e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5089e2394a61SVlad Buslov flags); 5090e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5091e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5092e2394a61SVlad Buslov flags); 5093e2394a61SVlad Buslov case FLOW_CLS_STATS: 5094e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5095e2394a61SVlad Buslov flags); 5096e2394a61SVlad Buslov default: 5097e2394a61SVlad Buslov return -EOPNOTSUPP; 5098e2394a61SVlad Buslov } 5099e2394a61SVlad Buslov } 5100e2394a61SVlad Buslov 5101e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5102e2394a61SVlad Buslov void *cb_priv) 5103e2394a61SVlad Buslov { 5104e2394a61SVlad Buslov unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD); 5105e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5106e2394a61SVlad Buslov 5107e2394a61SVlad Buslov switch (type) { 5108e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5109e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5110e2394a61SVlad Buslov default: 5111e2394a61SVlad Buslov return -EOPNOTSUPP; 5112e2394a61SVlad Buslov } 5113e2394a61SVlad Buslov } 5114