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> 49f6dfb4c3SHadar Hen Zion #include <net/arp.h> 503616d08bSDavid Ahern #include <net/ipv6_stubs.h> 51f828ca6aSEli Cohen #include <net/bareudp.h> 52e8f887acSAmir Vadai #include "en.h" 531d447a39SSaeed Mahameed #include "en_rep.h" 54768c3667SVlad Buslov #include "en/rep/tc.h" 55e2394a61SVlad Buslov #include "en/rep/neigh.h" 56232c0013SHadar Hen Zion #include "en_tc.h" 5703a9d11eSOr Gerlitz #include "eswitch.h" 5849964352SSaeed Mahameed #include "esw/chains.h" 593f6d08d1SOr Gerlitz #include "fs_core.h" 602c81bfd5SHuy Nguyen #include "en/port.h" 61101f4de9SOz Shlomo #include "en/tc_tun.h" 620a7fcb78SPaul Blakey #include "en/mapping.h" 634c3844d9SPaul Blakey #include "en/tc_ct.h" 6404de7ddaSRoi Dayan #include "lib/devcom.h" 659272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 667a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 67e8f887acSAmir Vadai 68d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 690a7fcb78SPaul Blakey 703bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 713bc4b7bfSOr Gerlitz u32 action; 723bc4b7bfSOr Gerlitz u32 flow_tag; 732b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 745c65c564SOr Gerlitz u32 hairpin_tirn; 7538aa51c1SOr Gerlitz u8 match_level; 763f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 77b8aee822SMark Bloch struct mlx5_fc *counter; 783bc4b7bfSOr Gerlitz }; 793bc4b7bfSOr Gerlitz 80226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 8160bd4af8SOr Gerlitz 8265ba8fb7SOr Gerlitz enum { 83226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 84226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 85226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 8684179981SPaul Blakey MLX5E_TC_FLOW_FLAG_FT = MLX5E_TC_FLAG_FT_OFFLOAD_BIT, 87226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 88226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 89226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 90226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 91226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 92226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 93226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 94c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 954c3844d9SPaul Blakey MLX5E_TC_FLOW_FLAG_CT = MLX5E_TC_FLOW_BASE + 7, 9665ba8fb7SOr Gerlitz }; 9765ba8fb7SOr Gerlitz 98e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 99e4ad91f2SChris Mi 10079baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 10179baaec7SEli Britstein * Containing struct 10279baaec7SEli Britstein * |- Helper array 10379baaec7SEli Britstein * [0] Helper item 0 10479baaec7SEli Britstein * |- list_head item 0 10579baaec7SEli Britstein * |- index (0) 10679baaec7SEli Britstein * [1] Helper item 1 10779baaec7SEli Britstein * |- list_head item 1 10879baaec7SEli Britstein * |- index (1) 10979baaec7SEli Britstein * To access the containing struct from one of the list_head items: 11079baaec7SEli Britstein * 1. Get the helper item from the list_head item using 11179baaec7SEli Britstein * helper item = 11279baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 11379baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 11479baaec7SEli Britstein * containing struct = 11579baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 11679baaec7SEli Britstein */ 11779baaec7SEli Britstein struct encap_flow_item { 118948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 11979baaec7SEli Britstein struct list_head list; 12079baaec7SEli Britstein int index; 12179baaec7SEli Britstein }; 12279baaec7SEli Britstein 123e8f887acSAmir Vadai struct mlx5e_tc_flow { 124e8f887acSAmir Vadai struct rhash_head node; 125655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 126e8f887acSAmir Vadai u64 cookie; 127226f2ca3SVlad Buslov unsigned long flags; 128e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 12979baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 13079baaec7SEli Britstein * The number of encaps is bounded by the number of supported 13179baaec7SEli Britstein * destinations. 13279baaec7SEli Britstein */ 13379baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 13404de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 135dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh; /* attached mod header instance */ 13611c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 137e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1385c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 13904de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 140b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1412a1f1768SVlad Buslov int tmp_efi_index; 1426a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1435a7e5bcbSVlad Buslov refcount_t refcnt; 144c5d326b2SVlad Buslov struct rcu_head rcu_head; 14595435ad7SVlad Buslov struct completion init_done; 1460a7fcb78SPaul Blakey int tunnel_id; /* the mapped tunnel id of this flow */ 1470a7fcb78SPaul Blakey 1483bc4b7bfSOr Gerlitz union { 149ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1503bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1513bc4b7bfSOr Gerlitz }; 152e8f887acSAmir Vadai }; 153e8f887acSAmir Vadai 15417091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1551f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 156d11afc26SOz Shlomo struct net_device *filter_dev; 15717091853SOr Gerlitz struct mlx5_flow_spec spec; 1586ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_hdr_acts; 15998b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 16017091853SOr Gerlitz }; 16117091853SOr Gerlitz 162acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 163b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 164e8f887acSAmir Vadai 1658f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 1668f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1678f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1688f1e0b97SPaul Blakey .moffset = 0, 1698f1e0b97SPaul Blakey .mlen = 2, 1708f1e0b97SPaul Blakey }, 1710a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1720a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 1730a7fcb78SPaul Blakey .moffset = 3, 1740a7fcb78SPaul Blakey .mlen = 1, 1750a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1760a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1770a7fcb78SPaul Blakey }, 1784c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 1794c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1804c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1814c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1824c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 1835c6b9460SPaul Blakey [TUPLEID_TO_REG] = tupleid_to_reg_ct, 1848f1e0b97SPaul Blakey }; 1858f1e0b97SPaul Blakey 1860a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1870a7fcb78SPaul Blakey 1880a7fcb78SPaul Blakey void 1890a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1900a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1910a7fcb78SPaul Blakey u32 data, 1920a7fcb78SPaul Blakey u32 mask) 1930a7fcb78SPaul Blakey { 1940a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 1950a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 1960a7fcb78SPaul Blakey void *headers_c = spec->match_criteria; 1970a7fcb78SPaul Blakey void *headers_v = spec->match_value; 1980a7fcb78SPaul Blakey void *fmask, *fval; 1990a7fcb78SPaul Blakey 2000a7fcb78SPaul Blakey fmask = headers_c + soffset; 2010a7fcb78SPaul Blakey fval = headers_v + soffset; 2020a7fcb78SPaul Blakey 2030a7fcb78SPaul Blakey mask = cpu_to_be32(mask) >> (32 - (match_len * 8)); 2040a7fcb78SPaul Blakey data = cpu_to_be32(data) >> (32 - (match_len * 8)); 2050a7fcb78SPaul Blakey 2060a7fcb78SPaul Blakey memcpy(fmask, &mask, match_len); 2070a7fcb78SPaul Blakey memcpy(fval, &data, match_len); 2080a7fcb78SPaul Blakey 2090a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2100a7fcb78SPaul Blakey } 2110a7fcb78SPaul Blakey 2120a7fcb78SPaul Blakey int 2130a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 2140a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 2150a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2160a7fcb78SPaul Blakey u32 data) 2170a7fcb78SPaul Blakey { 2180a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2190a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2200a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2210a7fcb78SPaul Blakey char *modact; 2220a7fcb78SPaul Blakey int err; 2230a7fcb78SPaul Blakey 2240a7fcb78SPaul Blakey err = alloc_mod_hdr_actions(mdev, MLX5_FLOW_NAMESPACE_FDB, 2250a7fcb78SPaul Blakey mod_hdr_acts); 2260a7fcb78SPaul Blakey if (err) 2270a7fcb78SPaul Blakey return err; 2280a7fcb78SPaul Blakey 2290a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2300a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2310a7fcb78SPaul Blakey 2320a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 2330a7fcb78SPaul Blakey if (mlen == 4) 2340a7fcb78SPaul Blakey mlen = 0; 2350a7fcb78SPaul Blakey 2360a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2370a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 2380a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset * 8); 2390a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, length, mlen * 8); 2400a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 2410a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2420a7fcb78SPaul Blakey 2430a7fcb78SPaul Blakey return 0; 2440a7fcb78SPaul Blakey } 2450a7fcb78SPaul Blakey 24677ab67b7SOr Gerlitz struct mlx5e_hairpin { 24777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 24877ab67b7SOr Gerlitz 24977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 2503f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 25177ab67b7SOr Gerlitz u32 tdn; 25277ab67b7SOr Gerlitz u32 tirn; 2533f6d08d1SOr Gerlitz 2543f6d08d1SOr Gerlitz int num_channels; 2553f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 2563f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 2573f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 25877ab67b7SOr Gerlitz }; 25977ab67b7SOr Gerlitz 2605c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 2615c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 2625c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 2635c65c564SOr Gerlitz 26473edca73SVlad Buslov /* protects flows list */ 26573edca73SVlad Buslov spinlock_t flows_lock; 2665c65c564SOr Gerlitz /* flows sharing the same hairpin */ 2675c65c564SOr Gerlitz struct list_head flows; 268db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 269db76ca24SVlad Buslov * function traversed them. 270db76ca24SVlad Buslov */ 271db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 2725c65c564SOr Gerlitz 273d8822868SOr Gerlitz u16 peer_vhca_id; 274106be53bSOr Gerlitz u8 prio; 2755c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 276e4f9abbdSVlad Buslov refcount_t refcnt; 277db76ca24SVlad Buslov struct completion res_ready; 2785c65c564SOr Gerlitz }; 2795c65c564SOr Gerlitz 28011c9c548SOr Gerlitz struct mod_hdr_key { 28111c9c548SOr Gerlitz int num_actions; 28211c9c548SOr Gerlitz void *actions; 28311c9c548SOr Gerlitz }; 28411c9c548SOr Gerlitz 28511c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 28611c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 28711c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 28811c9c548SOr Gerlitz 28983a52f0dSVlad Buslov /* protects flows list */ 29083a52f0dSVlad Buslov spinlock_t flows_lock; 29111c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 29211c9c548SOr Gerlitz struct list_head flows; 29311c9c548SOr Gerlitz 29411c9c548SOr Gerlitz struct mod_hdr_key key; 29511c9c548SOr Gerlitz 2962b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 297dd58edc3SVlad Buslov 298dd58edc3SVlad Buslov refcount_t refcnt; 299a734d007SVlad Buslov struct completion res_ready; 300a734d007SVlad Buslov int compl_result; 30111c9c548SOr Gerlitz }; 30211c9c548SOr Gerlitz 3035a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3045a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3055a7e5bcbSVlad Buslov 3065a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3075a7e5bcbSVlad Buslov { 3085a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3095a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3105a7e5bcbSVlad Buslov return flow; 3115a7e5bcbSVlad Buslov } 3125a7e5bcbSVlad Buslov 3135a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 3145a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 3155a7e5bcbSVlad Buslov { 3165a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3175a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 318c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3195a7e5bcbSVlad Buslov } 3205a7e5bcbSVlad Buslov } 3215a7e5bcbSVlad Buslov 322226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 323226f2ca3SVlad Buslov { 324226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 325226f2ca3SVlad Buslov smp_mb__before_atomic(); 326226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 327226f2ca3SVlad Buslov } 328226f2ca3SVlad Buslov 329226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 330226f2ca3SVlad Buslov 331c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 332c5d326b2SVlad Buslov unsigned long flag) 333c5d326b2SVlad Buslov { 334c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 335c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 336c5d326b2SVlad Buslov } 337c5d326b2SVlad Buslov 338c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 339c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 340c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 341c5d326b2SVlad Buslov 342226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 343226f2ca3SVlad Buslov { 344226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 345226f2ca3SVlad Buslov smp_mb__before_atomic(); 346226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 347226f2ca3SVlad Buslov } 348226f2ca3SVlad Buslov 349226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 350226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 351226f2ca3SVlad Buslov 352226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 353226f2ca3SVlad Buslov { 354226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 355226f2ca3SVlad Buslov 356226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 357226f2ca3SVlad Buslov smp_mb__after_atomic(); 358226f2ca3SVlad Buslov return ret; 359226f2ca3SVlad Buslov } 360226f2ca3SVlad Buslov 361226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 362226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 363226f2ca3SVlad Buslov 364226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 365226f2ca3SVlad Buslov { 366226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 367226f2ca3SVlad Buslov } 368226f2ca3SVlad Buslov 36984179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 37084179981SPaul Blakey { 37184179981SPaul Blakey return flow_flag_test(flow, FT); 37284179981SPaul Blakey } 37384179981SPaul Blakey 374226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 375226f2ca3SVlad Buslov { 376226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 377226f2ca3SVlad Buslov } 378226f2ca3SVlad Buslov 37911c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 38011c9c548SOr Gerlitz { 38111c9c548SOr Gerlitz return jhash(key->actions, 38211c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 38311c9c548SOr Gerlitz } 38411c9c548SOr Gerlitz 38511c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 38611c9c548SOr Gerlitz struct mod_hdr_key *b) 38711c9c548SOr Gerlitz { 38811c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 38911c9c548SOr Gerlitz return 1; 39011c9c548SOr Gerlitz 39111c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 39211c9c548SOr Gerlitz } 39311c9c548SOr Gerlitz 394dd58edc3SVlad Buslov static struct mod_hdr_tbl * 395dd58edc3SVlad Buslov get_mod_hdr_table(struct mlx5e_priv *priv, int namespace) 396dd58edc3SVlad Buslov { 397dd58edc3SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 398dd58edc3SVlad Buslov 399dd58edc3SVlad Buslov return namespace == MLX5_FLOW_NAMESPACE_FDB ? &esw->offloads.mod_hdr : 400dd58edc3SVlad Buslov &priv->fs.tc.mod_hdr; 401dd58edc3SVlad Buslov } 402dd58edc3SVlad Buslov 403dd58edc3SVlad Buslov static struct mlx5e_mod_hdr_entry * 404dd58edc3SVlad Buslov mlx5e_mod_hdr_get(struct mod_hdr_tbl *tbl, struct mod_hdr_key *key, u32 hash_key) 405dd58edc3SVlad Buslov { 406dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh, *found = NULL; 407dd58edc3SVlad Buslov 408dd58edc3SVlad Buslov hash_for_each_possible(tbl->hlist, mh, mod_hdr_hlist, hash_key) { 409dd58edc3SVlad Buslov if (!cmp_mod_hdr_info(&mh->key, key)) { 410dd58edc3SVlad Buslov refcount_inc(&mh->refcnt); 411dd58edc3SVlad Buslov found = mh; 412dd58edc3SVlad Buslov break; 413dd58edc3SVlad Buslov } 414dd58edc3SVlad Buslov } 415dd58edc3SVlad Buslov 416dd58edc3SVlad Buslov return found; 417dd58edc3SVlad Buslov } 418dd58edc3SVlad Buslov 419dd58edc3SVlad Buslov static void mlx5e_mod_hdr_put(struct mlx5e_priv *priv, 420d2faae25SVlad Buslov struct mlx5e_mod_hdr_entry *mh, 421d2faae25SVlad Buslov int namespace) 422dd58edc3SVlad Buslov { 423d2faae25SVlad Buslov struct mod_hdr_tbl *tbl = get_mod_hdr_table(priv, namespace); 424d2faae25SVlad Buslov 425d2faae25SVlad Buslov if (!refcount_dec_and_mutex_lock(&mh->refcnt, &tbl->lock)) 426dd58edc3SVlad Buslov return; 427d2faae25SVlad Buslov hash_del(&mh->mod_hdr_hlist); 428d2faae25SVlad Buslov mutex_unlock(&tbl->lock); 429dd58edc3SVlad Buslov 430dd58edc3SVlad Buslov WARN_ON(!list_empty(&mh->flows)); 431a734d007SVlad Buslov if (mh->compl_result > 0) 4322b688ea5SMaor Gottlieb mlx5_modify_header_dealloc(priv->mdev, mh->modify_hdr); 433d2faae25SVlad Buslov 434dd58edc3SVlad Buslov kfree(mh); 435dd58edc3SVlad Buslov } 436dd58edc3SVlad Buslov 437d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 438d2faae25SVlad Buslov { 439d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 440d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 441d2faae25SVlad Buslov } 44211c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 44311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 44411c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 44511c9c548SOr Gerlitz { 44611c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 44711c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 448dd58edc3SVlad Buslov struct mod_hdr_tbl *tbl; 44911c9c548SOr Gerlitz struct mod_hdr_key key; 45011c9c548SOr Gerlitz u32 hash_key; 45111c9c548SOr Gerlitz 4526ae4a6a5SPaul Blakey num_actions = parse_attr->mod_hdr_acts.num_actions; 45311c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 45411c9c548SOr Gerlitz 4556ae4a6a5SPaul Blakey key.actions = parse_attr->mod_hdr_acts.actions; 45611c9c548SOr Gerlitz key.num_actions = num_actions; 45711c9c548SOr Gerlitz 45811c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 45911c9c548SOr Gerlitz 460d2faae25SVlad Buslov namespace = get_flow_name_space(flow); 461dd58edc3SVlad Buslov tbl = get_mod_hdr_table(priv, namespace); 46211c9c548SOr Gerlitz 463d2faae25SVlad Buslov mutex_lock(&tbl->lock); 464dd58edc3SVlad Buslov mh = mlx5e_mod_hdr_get(tbl, &key, hash_key); 465a734d007SVlad Buslov if (mh) { 466a734d007SVlad Buslov mutex_unlock(&tbl->lock); 467a734d007SVlad Buslov wait_for_completion(&mh->res_ready); 468a734d007SVlad Buslov 469a734d007SVlad Buslov if (mh->compl_result < 0) { 470a734d007SVlad Buslov err = -EREMOTEIO; 471a734d007SVlad Buslov goto attach_header_err; 472a734d007SVlad Buslov } 47311c9c548SOr Gerlitz goto attach_flow; 474a734d007SVlad Buslov } 47511c9c548SOr Gerlitz 47611c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 477d2faae25SVlad Buslov if (!mh) { 478a734d007SVlad Buslov mutex_unlock(&tbl->lock); 479a734d007SVlad Buslov return -ENOMEM; 480d2faae25SVlad Buslov } 48111c9c548SOr Gerlitz 48211c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 48311c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 48411c9c548SOr Gerlitz mh->key.num_actions = num_actions; 48583a52f0dSVlad Buslov spin_lock_init(&mh->flows_lock); 48611c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 487dd58edc3SVlad Buslov refcount_set(&mh->refcnt, 1); 488a734d007SVlad Buslov init_completion(&mh->res_ready); 489a734d007SVlad Buslov 490a734d007SVlad Buslov hash_add(tbl->hlist, &mh->mod_hdr_hlist, hash_key); 491a734d007SVlad Buslov mutex_unlock(&tbl->lock); 49211c9c548SOr Gerlitz 4932b688ea5SMaor Gottlieb mh->modify_hdr = mlx5_modify_header_alloc(priv->mdev, namespace, 49411c9c548SOr Gerlitz mh->key.num_actions, 4952b688ea5SMaor Gottlieb mh->key.actions); 4962b688ea5SMaor Gottlieb if (IS_ERR(mh->modify_hdr)) { 4972b688ea5SMaor Gottlieb err = PTR_ERR(mh->modify_hdr); 498a734d007SVlad Buslov mh->compl_result = err; 499a734d007SVlad Buslov goto alloc_header_err; 500a734d007SVlad Buslov } 501a734d007SVlad Buslov mh->compl_result = 1; 502a734d007SVlad Buslov complete_all(&mh->res_ready); 50311c9c548SOr Gerlitz 50411c9c548SOr Gerlitz attach_flow: 505dd58edc3SVlad Buslov flow->mh = mh; 50683a52f0dSVlad Buslov spin_lock(&mh->flows_lock); 50711c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 50883a52f0dSVlad Buslov spin_unlock(&mh->flows_lock); 509d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 5102b688ea5SMaor Gottlieb flow->esw_attr->modify_hdr = mh->modify_hdr; 51111c9c548SOr Gerlitz else 5122b688ea5SMaor Gottlieb flow->nic_attr->modify_hdr = mh->modify_hdr; 51311c9c548SOr Gerlitz 51411c9c548SOr Gerlitz return 0; 51511c9c548SOr Gerlitz 516a734d007SVlad Buslov alloc_header_err: 517a734d007SVlad Buslov complete_all(&mh->res_ready); 518a734d007SVlad Buslov attach_header_err: 519a734d007SVlad Buslov mlx5e_mod_hdr_put(priv, mh, namespace); 52011c9c548SOr Gerlitz return err; 52111c9c548SOr Gerlitz } 52211c9c548SOr Gerlitz 52311c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 52411c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 52511c9c548SOr Gerlitz { 5265a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 527dd58edc3SVlad Buslov if (!flow->mh) 5285a7e5bcbSVlad Buslov return; 5295a7e5bcbSVlad Buslov 53083a52f0dSVlad Buslov spin_lock(&flow->mh->flows_lock); 53111c9c548SOr Gerlitz list_del(&flow->mod_hdr); 53283a52f0dSVlad Buslov spin_unlock(&flow->mh->flows_lock); 53311c9c548SOr Gerlitz 534d2faae25SVlad Buslov mlx5e_mod_hdr_put(priv, flow->mh, get_flow_name_space(flow)); 535dd58edc3SVlad Buslov flow->mh = NULL; 53611c9c548SOr Gerlitz } 53711c9c548SOr Gerlitz 53877ab67b7SOr Gerlitz static 53977ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 54077ab67b7SOr Gerlitz { 54177ab67b7SOr Gerlitz struct net_device *netdev; 54277ab67b7SOr Gerlitz struct mlx5e_priv *priv; 54377ab67b7SOr Gerlitz 54477ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 54577ab67b7SOr Gerlitz priv = netdev_priv(netdev); 54677ab67b7SOr Gerlitz return priv->mdev; 54777ab67b7SOr Gerlitz } 54877ab67b7SOr Gerlitz 54977ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 55077ab67b7SOr Gerlitz { 551e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {}; 55277ab67b7SOr Gerlitz void *tirc; 55377ab67b7SOr Gerlitz int err; 55477ab67b7SOr Gerlitz 55577ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 55677ab67b7SOr Gerlitz if (err) 55777ab67b7SOr Gerlitz goto alloc_tdn_err; 55877ab67b7SOr Gerlitz 55977ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 56077ab67b7SOr Gerlitz 56177ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 562ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 56377ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 56477ab67b7SOr Gerlitz 565e0b4b472SLeon Romanovsky err = mlx5_core_create_tir(hp->func_mdev, in, &hp->tirn); 56677ab67b7SOr Gerlitz if (err) 56777ab67b7SOr Gerlitz goto create_tir_err; 56877ab67b7SOr Gerlitz 56977ab67b7SOr Gerlitz return 0; 57077ab67b7SOr Gerlitz 57177ab67b7SOr Gerlitz create_tir_err: 57277ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 57377ab67b7SOr Gerlitz alloc_tdn_err: 57477ab67b7SOr Gerlitz return err; 57577ab67b7SOr Gerlitz } 57677ab67b7SOr Gerlitz 57777ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 57877ab67b7SOr Gerlitz { 57977ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 58077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 58177ab67b7SOr Gerlitz } 58277ab67b7SOr Gerlitz 5833f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 5843f6d08d1SOr Gerlitz { 5853f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 5863f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5873f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 5883f6d08d1SOr Gerlitz 5893f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 5903f6d08d1SOr Gerlitz hp->num_channels); 5913f6d08d1SOr Gerlitz 5923f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 5933f6d08d1SOr Gerlitz ix = i; 594bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 5953f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 5963f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 5973f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 5983f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 5993f6d08d1SOr Gerlitz } 6003f6d08d1SOr Gerlitz } 6013f6d08d1SOr Gerlitz 6023f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 6033f6d08d1SOr Gerlitz { 6043f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 6053f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6063f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 6073f6d08d1SOr Gerlitz void *rqtc; 6083f6d08d1SOr Gerlitz u32 *in; 6093f6d08d1SOr Gerlitz 6103f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 6113f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 6123f6d08d1SOr Gerlitz if (!in) 6133f6d08d1SOr Gerlitz return -ENOMEM; 6143f6d08d1SOr Gerlitz 6153f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 6163f6d08d1SOr Gerlitz 6173f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 6183f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 6193f6d08d1SOr Gerlitz 6203f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 6213f6d08d1SOr Gerlitz 6223f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 6233f6d08d1SOr Gerlitz if (!err) 6243f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 6253f6d08d1SOr Gerlitz 6263f6d08d1SOr Gerlitz kvfree(in); 6273f6d08d1SOr Gerlitz return err; 6283f6d08d1SOr Gerlitz } 6293f6d08d1SOr Gerlitz 6303f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 6313f6d08d1SOr Gerlitz { 6323f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6333f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 6343f6d08d1SOr Gerlitz int tt, i, err; 6353f6d08d1SOr Gerlitz void *tirc; 6363f6d08d1SOr Gerlitz 6373f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 638d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 639d930ac79SAya Levin 6403f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 6413f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 6423f6d08d1SOr Gerlitz 6433f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 6443f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 6453f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 646bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 647bbeb53b8SAya Levin 6483f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 649e0b4b472SLeon Romanovsky &hp->indir_tirn[tt]); 6503f6d08d1SOr Gerlitz if (err) { 6513f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 6523f6d08d1SOr Gerlitz goto err_destroy_tirs; 6533f6d08d1SOr Gerlitz } 6543f6d08d1SOr Gerlitz } 6553f6d08d1SOr Gerlitz return 0; 6563f6d08d1SOr Gerlitz 6573f6d08d1SOr Gerlitz err_destroy_tirs: 6583f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 6593f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 6603f6d08d1SOr Gerlitz return err; 6613f6d08d1SOr Gerlitz } 6623f6d08d1SOr Gerlitz 6633f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 6643f6d08d1SOr Gerlitz { 6653f6d08d1SOr Gerlitz int tt; 6663f6d08d1SOr Gerlitz 6673f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6683f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 6693f6d08d1SOr Gerlitz } 6703f6d08d1SOr Gerlitz 6713f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 6723f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6733f6d08d1SOr Gerlitz { 6743f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6753f6d08d1SOr Gerlitz int tt; 6763f6d08d1SOr Gerlitz 6773f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6783f6d08d1SOr Gerlitz 6793f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 6803f6d08d1SOr Gerlitz 6813f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6823f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 6833f6d08d1SOr Gerlitz 6846412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 6853f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6863f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6873f6d08d1SOr Gerlitz } 6883f6d08d1SOr Gerlitz 6893f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6903f6d08d1SOr Gerlitz { 6913f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6923f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6933f6d08d1SOr Gerlitz int err; 6943f6d08d1SOr Gerlitz 6953f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6963f6d08d1SOr Gerlitz if (err) 6973f6d08d1SOr Gerlitz return err; 6983f6d08d1SOr Gerlitz 6993f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 7003f6d08d1SOr Gerlitz if (err) 7013f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 7023f6d08d1SOr Gerlitz 7033f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 7043f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 7053f6d08d1SOr Gerlitz if (err) 7063f6d08d1SOr Gerlitz goto err_create_ttc_table; 7073f6d08d1SOr Gerlitz 7083f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 7093f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 7103f6d08d1SOr Gerlitz 7113f6d08d1SOr Gerlitz return 0; 7123f6d08d1SOr Gerlitz 7133f6d08d1SOr Gerlitz err_create_ttc_table: 7143f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 7153f6d08d1SOr Gerlitz err_create_indirect_tirs: 7163f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 7173f6d08d1SOr Gerlitz 7183f6d08d1SOr Gerlitz return err; 7193f6d08d1SOr Gerlitz } 7203f6d08d1SOr Gerlitz 7213f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 7223f6d08d1SOr Gerlitz { 7233f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7243f6d08d1SOr Gerlitz 7253f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 7263f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 7273f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 7283f6d08d1SOr Gerlitz } 7293f6d08d1SOr Gerlitz 73077ab67b7SOr Gerlitz static struct mlx5e_hairpin * 73177ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 73277ab67b7SOr Gerlitz int peer_ifindex) 73377ab67b7SOr Gerlitz { 73477ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 73577ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 73677ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 73777ab67b7SOr Gerlitz int err; 73877ab67b7SOr Gerlitz 73977ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 74077ab67b7SOr Gerlitz if (!hp) 74177ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 74277ab67b7SOr Gerlitz 74377ab67b7SOr Gerlitz func_mdev = priv->mdev; 74477ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 74577ab67b7SOr Gerlitz 74677ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 74777ab67b7SOr Gerlitz if (IS_ERR(pair)) { 74877ab67b7SOr Gerlitz err = PTR_ERR(pair); 74977ab67b7SOr Gerlitz goto create_pair_err; 75077ab67b7SOr Gerlitz } 75177ab67b7SOr Gerlitz hp->pair = pair; 75277ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 7533f6d08d1SOr Gerlitz hp->func_priv = priv; 7543f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 75577ab67b7SOr Gerlitz 75677ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 75777ab67b7SOr Gerlitz if (err) 75877ab67b7SOr Gerlitz goto create_transport_err; 75977ab67b7SOr Gerlitz 7603f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 7613f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 7623f6d08d1SOr Gerlitz if (err) 7633f6d08d1SOr Gerlitz goto rss_init_err; 7643f6d08d1SOr Gerlitz } 7653f6d08d1SOr Gerlitz 76677ab67b7SOr Gerlitz return hp; 76777ab67b7SOr Gerlitz 7683f6d08d1SOr Gerlitz rss_init_err: 7693f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 77077ab67b7SOr Gerlitz create_transport_err: 77177ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 77277ab67b7SOr Gerlitz create_pair_err: 77377ab67b7SOr Gerlitz kfree(hp); 77477ab67b7SOr Gerlitz return ERR_PTR(err); 77577ab67b7SOr Gerlitz } 77677ab67b7SOr Gerlitz 77777ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 77877ab67b7SOr Gerlitz { 7793f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7803f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 78177ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 78277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 78377ab67b7SOr Gerlitz kvfree(hp); 78477ab67b7SOr Gerlitz } 78577ab67b7SOr Gerlitz 786106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 787106be53bSOr Gerlitz { 788106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 789106be53bSOr Gerlitz } 790106be53bSOr Gerlitz 7915c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 792106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7935c65c564SOr Gerlitz { 7945c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 795106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7965c65c564SOr Gerlitz 7975c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 798106be53bSOr Gerlitz hairpin_hlist, hash_key) { 799e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 800e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 8015c65c564SOr Gerlitz return hpe; 8025c65c564SOr Gerlitz } 803e4f9abbdSVlad Buslov } 8045c65c564SOr Gerlitz 8055c65c564SOr Gerlitz return NULL; 8065c65c564SOr Gerlitz } 8075c65c564SOr Gerlitz 808e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 809e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 810e4f9abbdSVlad Buslov { 811e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 812b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 813e4f9abbdSVlad Buslov return; 814b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 815b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 816e4f9abbdSVlad Buslov 817db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 818e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 819e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 820e4f9abbdSVlad Buslov 821e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 822db76ca24SVlad Buslov } 823db76ca24SVlad Buslov 824db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 825e4f9abbdSVlad Buslov kfree(hpe); 826e4f9abbdSVlad Buslov } 827e4f9abbdSVlad Buslov 828106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 829106be53bSOr Gerlitz 830106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 831e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 832e98bedf5SEli Britstein struct netlink_ext_ack *extack) 833106be53bSOr Gerlitz { 834106be53bSOr Gerlitz void *headers_c, *headers_v; 835106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 836106be53bSOr Gerlitz bool vlan_present; 837106be53bSOr Gerlitz 838106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 839106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 840e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 841e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 842106be53bSOr Gerlitz return -EOPNOTSUPP; 843106be53bSOr Gerlitz } 844106be53bSOr Gerlitz #endif 845106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 846106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 847106be53bSOr Gerlitz 848106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 849106be53bSOr Gerlitz if (vlan_present) { 850106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 851106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 852106be53bSOr Gerlitz } 853106be53bSOr Gerlitz 854106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 855106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 856106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 857e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 858e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 859106be53bSOr Gerlitz return -EOPNOTSUPP; 860106be53bSOr Gerlitz } 861106be53bSOr Gerlitz 862106be53bSOr Gerlitz *match_prio = prio_val; 863106be53bSOr Gerlitz return 0; 864106be53bSOr Gerlitz } 865106be53bSOr Gerlitz 8665c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8675c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 868e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 869e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8705c65c564SOr Gerlitz { 87198b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8725c65c564SOr Gerlitz struct mlx5_hairpin_params params; 873d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8745c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8755c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8763f6d08d1SOr Gerlitz u64 link_speed64; 8773f6d08d1SOr Gerlitz u32 link_speed; 878106be53bSOr Gerlitz u8 match_prio; 879d8822868SOr Gerlitz u16 peer_id; 8805c65c564SOr Gerlitz int err; 8815c65c564SOr Gerlitz 882d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 883d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 884e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8855c65c564SOr Gerlitz return -EOPNOTSUPP; 8865c65c564SOr Gerlitz } 8875c65c564SOr Gerlitz 888d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 889e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 890e98bedf5SEli Britstein extack); 891106be53bSOr Gerlitz if (err) 892106be53bSOr Gerlitz return err; 893b32accdaSVlad Buslov 894b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 895106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 896db76ca24SVlad Buslov if (hpe) { 897db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 898db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 899db76ca24SVlad Buslov 900db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 901db76ca24SVlad Buslov err = -EREMOTEIO; 902db76ca24SVlad Buslov goto out_err; 903db76ca24SVlad Buslov } 9045c65c564SOr Gerlitz goto attach_flow; 905db76ca24SVlad Buslov } 9065c65c564SOr Gerlitz 9075c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 908b32accdaSVlad Buslov if (!hpe) { 909db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 910db76ca24SVlad Buslov return -ENOMEM; 911b32accdaSVlad Buslov } 9125c65c564SOr Gerlitz 91373edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 9145c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 915db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 916d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 917106be53bSOr Gerlitz hpe->prio = match_prio; 918e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 919db76ca24SVlad Buslov init_completion(&hpe->res_ready); 920db76ca24SVlad Buslov 921db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 922db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 923db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 9245c65c564SOr Gerlitz 9255c65c564SOr Gerlitz params.log_data_size = 15; 9265c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 9275c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 9285c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 9295c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 9305c65c564SOr Gerlitz 931eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 932eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 933eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 934eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 935eb9180f7SOr Gerlitz 936eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 9373f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 9382c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 9393f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 9403f6d08d1SOr Gerlitz link_speed64 = link_speed; 9413f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 9423f6d08d1SOr Gerlitz params.num_channels = link_speed64; 9433f6d08d1SOr Gerlitz 9445c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 945db76ca24SVlad Buslov hpe->hp = hp; 946db76ca24SVlad Buslov complete_all(&hpe->res_ready); 9475c65c564SOr Gerlitz if (IS_ERR(hp)) { 9485c65c564SOr Gerlitz err = PTR_ERR(hp); 949db76ca24SVlad Buslov goto out_err; 9505c65c564SOr Gerlitz } 9515c65c564SOr Gerlitz 952eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 95327b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 95427b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 955eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 9565c65c564SOr Gerlitz 9575c65c564SOr Gerlitz attach_flow: 9583f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 959226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 9603f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 9613f6d08d1SOr Gerlitz } else { 9625c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 9633f6d08d1SOr Gerlitz } 964b32accdaSVlad Buslov 965e4f9abbdSVlad Buslov flow->hpe = hpe; 96673edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9675c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 96873edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9693f6d08d1SOr Gerlitz 9705c65c564SOr Gerlitz return 0; 9715c65c564SOr Gerlitz 972db76ca24SVlad Buslov out_err: 973db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9745c65c564SOr Gerlitz return err; 9755c65c564SOr Gerlitz } 9765c65c564SOr Gerlitz 9775c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9785c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9795c65c564SOr Gerlitz { 9805a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 981e4f9abbdSVlad Buslov if (!flow->hpe) 9825a7e5bcbSVlad Buslov return; 9835a7e5bcbSVlad Buslov 98473edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9855c65c564SOr Gerlitz list_del(&flow->hairpin); 98673edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 98773edca73SVlad Buslov 988e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 989e4f9abbdSVlad Buslov flow->hpe = NULL; 9905c65c564SOr Gerlitz } 9915c65c564SOr Gerlitz 992c83954abSRabie Loulou static int 99374491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 99417091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 995e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 996e98bedf5SEli Britstein struct netlink_ext_ack *extack) 997e8f887acSAmir Vadai { 998bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 999aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1000aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 10015c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 100266958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 10033bc4b7bfSOr Gerlitz .action = attr->action, 1004bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 100566958ed9SHadar Hen Zion }; 1006aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 10075c65c564SOr Gerlitz int err, dest_ix = 0; 1008e8f887acSAmir Vadai 1009bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1010bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 1011bb0ee7dcSJianbo Liu 1012226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 1013e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 10145a7e5bcbSVlad Buslov if (err) 10155a7e5bcbSVlad Buslov return err; 10165a7e5bcbSVlad Buslov 1017226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 10183f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 10193f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 10203f6d08d1SOr Gerlitz } else { 10215c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 10225c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 10233f6d08d1SOr Gerlitz } 10243f6d08d1SOr Gerlitz dest_ix++; 10253f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 10265c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 10275c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 10285c65c564SOr Gerlitz dest_ix++; 10295c65c564SOr Gerlitz } 1030aad7e08dSAmir Vadai 10315c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 10325c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 10335a7e5bcbSVlad Buslov if (IS_ERR(counter)) 10345a7e5bcbSVlad Buslov return PTR_ERR(counter); 10355a7e5bcbSVlad Buslov 10365c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 1037171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 10385c65c564SOr Gerlitz dest_ix++; 1039b8aee822SMark Bloch attr->counter = counter; 1040aad7e08dSAmir Vadai } 1041aad7e08dSAmir Vadai 10422f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 10433099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 10442b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 10456ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1046c83954abSRabie Loulou if (err) 10475a7e5bcbSVlad Buslov return err; 10482f4fe4caSOr Gerlitz } 10492f4fe4caSOr Gerlitz 1050b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1051acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 105261dc7b01SPaul Blakey struct mlx5_flow_table_attr ft_attr = {}; 105361dc7b01SPaul Blakey int tc_grp_size, tc_tbl_size, tc_num_grps; 105421b9c144SOr Gerlitz u32 max_flow_counter; 105521b9c144SOr Gerlitz 105621b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 105721b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 105821b9c144SOr Gerlitz 105921b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 106021b9c144SOr Gerlitz 106121b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 106221b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 106361dc7b01SPaul Blakey tc_num_grps = MLX5E_TC_TABLE_NUM_GROUPS; 106421b9c144SOr Gerlitz 106561dc7b01SPaul Blakey ft_attr.prio = MLX5E_TC_PRIO; 106661dc7b01SPaul Blakey ft_attr.max_fte = tc_tbl_size; 106761dc7b01SPaul Blakey ft_attr.level = MLX5E_TC_FT_LEVEL; 106861dc7b01SPaul Blakey ft_attr.autogroup.max_num_groups = tc_num_grps; 1069acff797cSMaor Gottlieb priv->fs.tc.t = 1070acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 107161dc7b01SPaul Blakey &ft_attr); 1072acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 1073b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 1074e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1075c75a33c8SJacob Keller "Failed to create tc offload table"); 1076e8f887acSAmir Vadai netdev_err(priv->netdev, 1077e8f887acSAmir Vadai "Failed to create tc offload table\n"); 10785a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 1079e8f887acSAmir Vadai } 1080e8f887acSAmir Vadai } 1081e8f887acSAmir Vadai 108238aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 1083d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 108438aa51c1SOr Gerlitz 1085c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 10865c65c564SOr Gerlitz &flow_act, dest, dest_ix); 1087b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 1088e8f887acSAmir Vadai 1089a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1090e8f887acSAmir Vadai } 1091e8f887acSAmir Vadai 1092d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1093d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1094d85cdccbSOr Gerlitz { 1095513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1096d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 1097d85cdccbSOr Gerlitz 1098b8aee822SMark Bloch counter = attr->counter; 10995a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1100e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1101d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1102d85cdccbSOr Gerlitz 1103b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1104226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1105d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1106d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1107d85cdccbSOr Gerlitz } 1108b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11092f4fe4caSOr Gerlitz 1110513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11113099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11125c65c564SOr Gerlitz 1113226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11145c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1115d85cdccbSOr Gerlitz } 1116d85cdccbSOr Gerlitz 1117aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 11188c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1119aa0cbbaeSOr Gerlitz 11203c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1121e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1122733d4f36SRoi Dayan struct net_device *mirred_dev, 1123733d4f36SRoi Dayan int out_index, 11248c4dc42bSEli Britstein struct netlink_ext_ack *extack, 11250ad060eeSRoi Dayan struct net_device **encap_dev, 11260ad060eeSRoi Dayan bool *encap_valid); 11273c37745eSOr Gerlitz 11286d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 11296d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11306d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11316d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 11326d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 11336d2a3ed0SOr Gerlitz { 11341ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11356d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11364c3844d9SPaul Blakey 11371ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11381ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11391ef3018fSPaul Blakey 11401ef3018fSPaul Blakey return mlx5_tc_ct_flow_offload(flow->priv, flow, spec, attr, 11411ef3018fSPaul Blakey mod_hdr_acts); 11421ef3018fSPaul Blakey } 11436d2a3ed0SOr Gerlitz 11446d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11456d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11466d2a3ed0SOr Gerlitz return rule; 11476d2a3ed0SOr Gerlitz 1148e85e02baSEli Britstein if (attr->split_count) { 11496d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11506d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 11516d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11526d2a3ed0SOr Gerlitz return flow->rule[1]; 11536d2a3ed0SOr Gerlitz } 11546d2a3ed0SOr Gerlitz } 11556d2a3ed0SOr Gerlitz 11566d2a3ed0SOr Gerlitz return rule; 11576d2a3ed0SOr Gerlitz } 11586d2a3ed0SOr Gerlitz 11596d2a3ed0SOr Gerlitz static void 11606d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11616d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11626d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 11636d2a3ed0SOr Gerlitz { 1164226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11656d2a3ed0SOr Gerlitz 11664c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 11674c3844d9SPaul Blakey mlx5_tc_ct_delete_flow(flow->priv, flow, attr); 11684c3844d9SPaul Blakey return; 11694c3844d9SPaul Blakey } 11704c3844d9SPaul Blakey 1171e85e02baSEli Britstein if (attr->split_count) 11726d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 11736d2a3ed0SOr Gerlitz 11746d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 11756d2a3ed0SOr Gerlitz } 11766d2a3ed0SOr Gerlitz 11775dbe906fSPaul Blakey static struct mlx5_flow_handle * 11785dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 11795dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1180178f69b4SEli Cohen struct mlx5_flow_spec *spec) 11815dbe906fSPaul Blakey { 1182178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 11835dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11845dbe906fSPaul Blakey 1185178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1186178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1187178f69b4SEli Cohen slow_attr.split_count = 0; 1188178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 11895dbe906fSPaul Blakey 1190178f69b4SEli Cohen rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, &slow_attr); 11915dbe906fSPaul Blakey if (!IS_ERR(rule)) 1192226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 11935dbe906fSPaul Blakey 11945dbe906fSPaul Blakey return rule; 11955dbe906fSPaul Blakey } 11965dbe906fSPaul Blakey 11975dbe906fSPaul Blakey static void 11985dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1199178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12005dbe906fSPaul Blakey { 1201178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 1202178f69b4SEli Cohen 1203178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1204178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1205178f69b4SEli Cohen slow_attr.split_count = 0; 1206178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1207178f69b4SEli Cohen mlx5e_tc_unoffload_fdb_rules(esw, flow, &slow_attr); 1208226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 12095dbe906fSPaul Blakey } 12105dbe906fSPaul Blakey 1211ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1212ad86755bSVlad Buslov * function. 1213ad86755bSVlad Buslov */ 1214ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1215ad86755bSVlad Buslov struct list_head *unready_flows) 1216ad86755bSVlad Buslov { 1217ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1218ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1219ad86755bSVlad Buslov } 1220ad86755bSVlad Buslov 1221ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1222ad86755bSVlad Buslov * function. 1223ad86755bSVlad Buslov */ 1224ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1225ad86755bSVlad Buslov { 1226ad86755bSVlad Buslov list_del(&flow->unready); 1227ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1228ad86755bSVlad Buslov } 1229ad86755bSVlad Buslov 1230b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1231b4a23329SRoi Dayan { 1232b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1233b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1234b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1235b4a23329SRoi Dayan 1236b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1237b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1238b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1239b4a23329SRoi Dayan 1240ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1241ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1242ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1243b4a23329SRoi Dayan } 1244b4a23329SRoi Dayan 1245b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1246b4a23329SRoi Dayan { 1247ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1248ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1249ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1250ad86755bSVlad Buslov 1251ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1252ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1253ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1254ad86755bSVlad Buslov 1255ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1256ad86755bSVlad Buslov unready_flow_del(flow); 1257ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1258b4a23329SRoi Dayan } 1259b4a23329SRoi Dayan 1260c83954abSRabie Loulou static int 126174491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1262e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1263e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1264adb4c123SOr Gerlitz { 1265adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1266aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 12677040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 12683c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1269b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 12703c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 12713c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 12720ad060eeSRoi Dayan bool encap_valid = true; 127339ac237cSPaul Blakey u32 max_prio, max_chain; 12740ad060eeSRoi Dayan int err = 0; 1275f493f155SEli Britstein int out_index; 12768b32580dSOr Gerlitz 127739ac237cSPaul Blakey if (!mlx5_esw_chains_prios_supported(esw) && attr->prio != 1) { 127861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 127961644c3dSRoi Dayan "E-switch priorities unsupported, upgrade FW"); 1280d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1281d14f6f2aSOr Gerlitz } 1282e52c2802SPaul Blakey 128384179981SPaul Blakey /* We check chain range only for tc flows. 128484179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 128584179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 128684179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 128784179981SPaul Blakey */ 128839ac237cSPaul Blakey max_chain = mlx5_esw_chains_get_chain_range(esw); 128984179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 129061644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 129161644c3dSRoi Dayan "Requested chain is out of supported range"); 12925a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1293bf07aa73SPaul Blakey } 1294bf07aa73SPaul Blakey 129539ac237cSPaul Blakey max_prio = mlx5_esw_chains_get_prio_range(esw); 1296bf07aa73SPaul Blakey if (attr->prio > max_prio) { 129761644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 129861644c3dSRoi Dayan "Requested priority is out of supported range"); 12995a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1300bf07aa73SPaul Blakey } 1301bf07aa73SPaul Blakey 1302f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 13038c4dc42bSEli Britstein int mirred_ifindex; 13048c4dc42bSEli Britstein 1305f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1306f493f155SEli Britstein continue; 1307f493f155SEli Britstein 13087040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 13093c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 13108c4dc42bSEli Britstein mirred_ifindex); 1311733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 13120ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 13130ad060eeSRoi Dayan if (err) 13145a7e5bcbSVlad Buslov return err; 13150ad060eeSRoi Dayan 13163c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 13173c37745eSOr Gerlitz rpriv = out_priv->ppriv; 13181cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 13191cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 13203c37745eSOr Gerlitz } 13213c37745eSOr Gerlitz 13228b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1323c83954abSRabie Loulou if (err) 13245a7e5bcbSVlad Buslov return err; 1325adb4c123SOr Gerlitz 1326d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1327d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 13281a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 13296ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1330c83954abSRabie Loulou if (err) 13315a7e5bcbSVlad Buslov return err; 1332d7e75a32SOr Gerlitz } 1333d7e75a32SOr Gerlitz 1334b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1335f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 13365a7e5bcbSVlad Buslov if (IS_ERR(counter)) 13375a7e5bcbSVlad Buslov return PTR_ERR(counter); 1338b8aee822SMark Bloch 1339b8aee822SMark Bloch attr->counter = counter; 1340b8aee822SMark Bloch } 1341b8aee822SMark Bloch 13420ad060eeSRoi Dayan /* we get here if one of the following takes place: 13430ad060eeSRoi Dayan * (1) there's no error 13440ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 13453c37745eSOr Gerlitz */ 1346bc1d75faSRoi Dayan if (!encap_valid) 1347178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1348bc1d75faSRoi Dayan else 13496d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 13505dbe906fSPaul Blakey 13515a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 13525a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1353226f2ca3SVlad Buslov else 1354226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1355c83954abSRabie Loulou 13565dbe906fSPaul Blakey return 0; 1357aa0cbbaeSOr Gerlitz } 1358d85cdccbSOr Gerlitz 13599272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 13609272e3dfSYevgeny Kliteynik { 13619272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 13629272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 13639272e3dfSYevgeny Kliteynik spec->match_value, 13649272e3dfSYevgeny Kliteynik misc_parameters_3); 13659272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 13669272e3dfSYevgeny Kliteynik headers_v, 13679272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 13689272e3dfSYevgeny Kliteynik 13699272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 13709272e3dfSYevgeny Kliteynik } 13719272e3dfSYevgeny Kliteynik 1372d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1373d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1374d85cdccbSOr Gerlitz { 1375d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1376d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 1377f493f155SEli Britstein int out_index; 1378d85cdccbSOr Gerlitz 13790a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 13800a7fcb78SPaul Blakey 1381226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1382b4a23329SRoi Dayan remove_unready_flow(flow); 1383ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1384ef06c9eeSRoi Dayan return; 1385ef06c9eeSRoi Dayan } 1386ef06c9eeSRoi Dayan 1387226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1388226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1389178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 13905dbe906fSPaul Blakey else 13915dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 13925dbe906fSPaul Blakey } 1393d85cdccbSOr Gerlitz 13949272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 13959272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 13969272e3dfSYevgeny Kliteynik 1397513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1398d85cdccbSOr Gerlitz 1399f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 14002a4b6526SVlad Buslov if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 14018c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 14022a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 14032a4b6526SVlad Buslov } 1404f493f155SEli Britstein kvfree(attr->parse_attr); 1405d7e75a32SOr Gerlitz 1406513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 14071a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1408b8aee822SMark Bloch 1409b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1410f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 1411d85cdccbSOr Gerlitz } 1412d85cdccbSOr Gerlitz 1413232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 14142a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 14152a1f1768SVlad Buslov struct list_head *flow_list) 1416232c0013SHadar Hen Zion { 14173c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1418178f69b4SEli Cohen struct mlx5_esw_flow_attr *esw_attr; 14196d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 14206d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1421232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1422232c0013SHadar Hen Zion int err; 1423232c0013SHadar Hen Zion 14242b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 142554c177caSOz Shlomo e->reformat_type, 1426232c0013SHadar Hen Zion e->encap_size, e->encap_header, 14272b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 14282b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 14292b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 14302b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1431232c0013SHadar Hen Zion return; 1432232c0013SHadar Hen Zion } 1433232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1434f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1435232c0013SHadar Hen Zion 14362a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 14378c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 14388c4dc42bSEli Britstein int i; 14398c4dc42bSEli Britstein 144095435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 144195435ad7SVlad Buslov continue; 14423c37745eSOr Gerlitz esw_attr = flow->esw_attr; 14436d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 14446d2a3ed0SOr Gerlitz 14452b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 14462a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 14478c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 14488c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 14498c4dc42bSEli Britstein * a valid neighbour. 14508c4dc42bSEli Britstein */ 14518c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 14528c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 14538c4dc42bSEli Britstein continue; 14548c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 14558c4dc42bSEli Britstein all_flow_encaps_valid = false; 14568c4dc42bSEli Britstein break; 14578c4dc42bSEli Britstein } 14588c4dc42bSEli Britstein } 14598c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 14608c4dc42bSEli Britstein if (!all_flow_encaps_valid) 14612a1f1768SVlad Buslov continue; 14625dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 14636d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 14646d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 14656d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1466232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1467232c0013SHadar Hen Zion err); 14682a1f1768SVlad Buslov continue; 1469232c0013SHadar Hen Zion } 14705dbe906fSPaul Blakey 1471178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14726d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1473226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1474226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1475232c0013SHadar Hen Zion } 1476232c0013SHadar Hen Zion } 1477232c0013SHadar Hen Zion 1478232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 14792a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 14802a1f1768SVlad Buslov struct list_head *flow_list) 1481232c0013SHadar Hen Zion { 14823c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 14835dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 14845dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1485232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 14865dbe906fSPaul Blakey int err; 1487232c0013SHadar Hen Zion 14882a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 148995435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 149095435ad7SVlad Buslov continue; 14915dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 14925dbe906fSPaul Blakey 14935dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 1494178f69b4SEli Cohen rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec); 14958c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 14962a1f1768SVlad Buslov flow->esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 14975dbe906fSPaul Blakey 14985dbe906fSPaul Blakey if (IS_ERR(rule)) { 14995dbe906fSPaul Blakey err = PTR_ERR(rule); 15005dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 15015dbe906fSPaul Blakey err); 15022a1f1768SVlad Buslov continue; 15035dbe906fSPaul Blakey } 15045dbe906fSPaul Blakey 15056d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 15065dbe906fSPaul Blakey flow->rule[0] = rule; 1507226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1508226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1509232c0013SHadar Hen Zion } 1510232c0013SHadar Hen Zion 151161c806daSOr Gerlitz /* we know that the encap is valid */ 1512232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 15132b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1514232c0013SHadar Hen Zion } 1515232c0013SHadar Hen Zion 1516b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1517b8aee822SMark Bloch { 1518226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1519b8aee822SMark Bloch return flow->esw_attr->counter; 1520b8aee822SMark Bloch else 1521b8aee822SMark Bloch return flow->nic_attr->counter; 1522b8aee822SMark Bloch } 1523b8aee822SMark Bloch 15242a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 15252a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 15262a1f1768SVlad Buslov */ 15272a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 15282a1f1768SVlad Buslov { 15292a1f1768SVlad Buslov struct encap_flow_item *efi; 15302a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 15312a1f1768SVlad Buslov 15322a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 15332a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 15342a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15352a1f1768SVlad Buslov continue; 153695435ad7SVlad Buslov wait_for_completion(&flow->init_done); 15372a1f1768SVlad Buslov 15382a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 15392a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 15402a1f1768SVlad Buslov } 15412a1f1768SVlad Buslov } 15422a1f1768SVlad Buslov 15436a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 15442a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 15456a06c2f7SVlad Buslov { 15466a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 15476a06c2f7SVlad Buslov 15486a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 15496a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 15506a06c2f7SVlad Buslov } 15516a06c2f7SVlad Buslov 1552ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1553ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1554ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1555ac0d9176SVlad Buslov { 1556ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1557ac0d9176SVlad Buslov 1558ac0d9176SVlad Buslov retry: 1559ac0d9176SVlad Buslov rcu_read_lock(); 1560ac0d9176SVlad Buslov 1561ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1562ac0d9176SVlad Buslov for (next = e ? 1563ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1564ac0d9176SVlad Buslov &e->encap_list, 1565ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1566ac0d9176SVlad Buslov encap_list) : 1567ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1568ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1569ac0d9176SVlad Buslov encap_list); 1570ac0d9176SVlad Buslov next; 1571ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1572ac0d9176SVlad Buslov &next->encap_list, 1573ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1574ac0d9176SVlad Buslov encap_list)) 1575ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1576ac0d9176SVlad Buslov break; 1577ac0d9176SVlad Buslov 1578ac0d9176SVlad Buslov rcu_read_unlock(); 1579ac0d9176SVlad Buslov 1580ac0d9176SVlad Buslov /* release starting encap */ 1581ac0d9176SVlad Buslov if (e) 1582ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1583ac0d9176SVlad Buslov if (!next) 1584ac0d9176SVlad Buslov return next; 1585ac0d9176SVlad Buslov 1586ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1587ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1588ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1589ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1590ac0d9176SVlad Buslov e = next; 1591ac0d9176SVlad Buslov goto retry; 1592ac0d9176SVlad Buslov } 1593ac0d9176SVlad Buslov 1594ac0d9176SVlad Buslov return next; 1595ac0d9176SVlad Buslov } 1596ac0d9176SVlad Buslov 1597f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1598f6dfb4c3SHadar Hen Zion { 1599f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1600ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1601f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1602f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1603f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1604f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1605f6dfb4c3SHadar Hen Zion struct neighbour *n; 160690bb7692SAriel Levkovich u64 lastuse; 1607f6dfb4c3SHadar Hen Zion 1608f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1609f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1610f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1611f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 16125cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1613f6dfb4c3SHadar Hen Zion #endif 1614f6dfb4c3SHadar Hen Zion else 1615f6dfb4c3SHadar Hen Zion return; 1616f6dfb4c3SHadar Hen Zion 1617ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1618ac0d9176SVlad Buslov * next one. 1619ac0d9176SVlad Buslov */ 1620ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 16216a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 16225a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 16236a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 16246a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1625948993f2SVlad Buslov 16266a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 16276a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 16285a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 162979baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 163079baaec7SEli Britstein encaps[efi->index]); 16315a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 16325a7e5bcbSVlad Buslov continue; 16336a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 16345a7e5bcbSVlad Buslov 1635226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1636b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 163790bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1638f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1639f6dfb4c3SHadar Hen Zion neigh_used = true; 1640f6dfb4c3SHadar Hen Zion break; 1641f6dfb4c3SHadar Hen Zion } 1642f6dfb4c3SHadar Hen Zion } 1643f6dfb4c3SHadar Hen Zion } 16446a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1645948993f2SVlad Buslov 16466a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1647ac0d9176SVlad Buslov if (neigh_used) { 1648ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 16496a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1650e36d4810SRoi Dayan break; 1651f6dfb4c3SHadar Hen Zion } 1652ac0d9176SVlad Buslov } 1653f6dfb4c3SHadar Hen Zion 1654c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1655c786fe59SVlad Buslov 1656f6dfb4c3SHadar Hen Zion if (neigh_used) { 1657f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1658f6dfb4c3SHadar Hen Zion 1659f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1660f6dfb4c3SHadar Hen Zion * dst ip pair 1661f6dfb4c3SHadar Hen Zion */ 1662f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1663c7f7ba8dSRoi Dayan if (!n) 1664f6dfb4c3SHadar Hen Zion return; 1665f6dfb4c3SHadar Hen Zion 1666f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1667f6dfb4c3SHadar Hen Zion neigh_release(n); 1668f6dfb4c3SHadar Hen Zion } 1669f6dfb4c3SHadar Hen Zion } 1670f6dfb4c3SHadar Hen Zion 167161086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1672d85cdccbSOr Gerlitz { 1673948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 16743c140dd5SVlad Buslov 16753c140dd5SVlad Buslov if (e->compl_result > 0) { 1676232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1677232c0013SHadar Hen Zion 1678232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 16792b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 16803c140dd5SVlad Buslov } 1681232c0013SHadar Hen Zion 16822a4b6526SVlad Buslov kfree(e->tun_info); 1683232c0013SHadar Hen Zion kfree(e->encap_header); 1684ac0d9176SVlad Buslov kfree_rcu(e, rcu); 16855067b602SRoi Dayan } 1686948993f2SVlad Buslov 168761086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 168861086f39SVlad Buslov { 168961086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 169061086f39SVlad Buslov 169161086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 169261086f39SVlad Buslov return; 169361086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 169461086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 169561086f39SVlad Buslov 169661086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 169761086f39SVlad Buslov } 169861086f39SVlad Buslov 1699948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1700948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1701948993f2SVlad Buslov { 170261086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 170361086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 170461086f39SVlad Buslov 1705948993f2SVlad Buslov /* flow wasn't fully initialized */ 170661086f39SVlad Buslov if (!e) 1707948993f2SVlad Buslov return; 1708948993f2SVlad Buslov 170961086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1710948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1711948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 171261086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 171361086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 171461086f39SVlad Buslov return; 171561086f39SVlad Buslov } 171661086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 171761086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 171861086f39SVlad Buslov 171961086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 17205067b602SRoi Dayan } 17215067b602SRoi Dayan 172204de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 172304de7ddaSRoi Dayan { 172404de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 172504de7ddaSRoi Dayan 1726226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1727226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 172804de7ddaSRoi Dayan return; 172904de7ddaSRoi Dayan 173004de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 173104de7ddaSRoi Dayan list_del(&flow->peer); 173204de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 173304de7ddaSRoi Dayan 1734226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 173504de7ddaSRoi Dayan 1736eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 173704de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1738a23dae79SRoi Dayan kfree(flow->peer_flow); 1739eb252c3aSRoi Dayan } 1740eb252c3aSRoi Dayan 174104de7ddaSRoi Dayan flow->peer_flow = NULL; 174204de7ddaSRoi Dayan } 174304de7ddaSRoi Dayan 174404de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 174504de7ddaSRoi Dayan { 174604de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 174704de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 174804de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 174904de7ddaSRoi Dayan 175004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 175104de7ddaSRoi Dayan if (!peer_esw) 175204de7ddaSRoi Dayan return; 175304de7ddaSRoi Dayan 175404de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 175504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 175604de7ddaSRoi Dayan } 175704de7ddaSRoi Dayan 1758e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1759961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1760e8f887acSAmir Vadai { 1761226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 176204de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1763d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 176404de7ddaSRoi Dayan } else { 1765d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1766e8f887acSAmir Vadai } 176704de7ddaSRoi Dayan } 1768e8f887acSAmir Vadai 17690a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1770bbd00f7eSHadar Hen Zion { 1771f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17720a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 17730a7fcb78SPaul Blakey const struct flow_action_entry *act; 17740a7fcb78SPaul Blakey int i; 1775bbd00f7eSHadar Hen Zion 17760a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 17770a7fcb78SPaul Blakey switch (act->id) { 17780a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 17790a7fcb78SPaul Blakey return true; 17800a7fcb78SPaul Blakey default: 17810a7fcb78SPaul Blakey continue; 1782fe1587a7SDmytro Linkin } 17832e72eb43SOr Gerlitz } 1784bbd00f7eSHadar Hen Zion 17850a7fcb78SPaul Blakey return false; 17860a7fcb78SPaul Blakey } 1787bcef735cSOr Gerlitz 17880a7fcb78SPaul Blakey static int 17890a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 17900a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 17910a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 17920a7fcb78SPaul Blakey bool *dont_care) 17930a7fcb78SPaul Blakey { 17940a7fcb78SPaul Blakey struct geneve_opt *opt; 17950a7fcb78SPaul Blakey int off = 0; 1796bcef735cSOr Gerlitz 17970a7fcb78SPaul Blakey *dont_care = true; 1798bcef735cSOr Gerlitz 17990a7fcb78SPaul Blakey while (opts->len > off) { 18000a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1801e98bedf5SEli Britstein 18020a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 18030a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 18040a7fcb78SPaul Blakey *dont_care = false; 18050a7fcb78SPaul Blakey 18060a7fcb78SPaul Blakey if (opt->opt_class != U16_MAX || 1807d7a42ad0SRoi Dayan opt->type != U8_MAX) { 18080a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 18090a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 18100a7fcb78SPaul Blakey netdev_warn(priv->netdev, 18110a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1812e98bedf5SEli Britstein return -EOPNOTSUPP; 1813e98bedf5SEli Britstein } 1814bcef735cSOr Gerlitz } 1815bcef735cSOr Gerlitz 18160a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1817bbd00f7eSHadar Hen Zion } 1818bbd00f7eSHadar Hen Zion 1819bbd00f7eSHadar Hen Zion return 0; 1820bbd00f7eSHadar Hen Zion } 1821bbd00f7eSHadar Hen Zion 18220a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 18230a7fcb78SPaul Blakey ({ \ 18240a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 18250a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 18260a7fcb78SPaul Blakey \ 18270a7fcb78SPaul Blakey memcpy(__dst,\ 18280a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 18290a7fcb78SPaul Blakey diss_key,\ 18300a7fcb78SPaul Blakey __rule->match.key),\ 18310a7fcb78SPaul Blakey sizeof(*__dst));\ 18320a7fcb78SPaul Blakey }) 18330a7fcb78SPaul Blakey 18340a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 18350a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 18360a7fcb78SPaul Blakey struct flow_cls_offload *f, 18370a7fcb78SPaul Blakey struct net_device *filter_dev) 18388377629eSEli Britstein { 18390a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18400a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 18410a7fcb78SPaul Blakey struct mlx5_esw_flow_attr *attr = flow->esw_attr; 18420a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 18430a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1844d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 18450a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18460a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18470a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 18480a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 18490a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 18500a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18510a7fcb78SPaul Blakey u32 value, mask; 18520a7fcb78SPaul Blakey int err; 18530a7fcb78SPaul Blakey 18540a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 18550a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18560a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18570a7fcb78SPaul Blakey 18580a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 18590a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 18600a7fcb78SPaul Blakey &tunnel_key.enc_control); 18610a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 18620a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 18630a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 18640a7fcb78SPaul Blakey else 18650a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 18660a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 18670a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 18680a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 18690a7fcb78SPaul Blakey &tunnel_key.enc_tp); 18700a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 18710a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 18720a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 18730a7fcb78SPaul Blakey 18740a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 18750a7fcb78SPaul Blakey if (err) 18760a7fcb78SPaul Blakey return err; 18770a7fcb78SPaul Blakey 18780a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 18790a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 18800a7fcb78SPaul Blakey enc_opts_match.mask, 18810a7fcb78SPaul Blakey extack, 18820a7fcb78SPaul Blakey &enc_opts_is_dont_care); 18830a7fcb78SPaul Blakey if (err) 18840a7fcb78SPaul Blakey goto err_enc_opts; 18850a7fcb78SPaul Blakey 18860a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1887d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1888d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1889d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1890d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1891d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1892d7a42ad0SRoi Dayan 18930a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1894d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 18950a7fcb78SPaul Blakey if (err) 18960a7fcb78SPaul Blakey goto err_enc_opts; 18970a7fcb78SPaul Blakey } 18980a7fcb78SPaul Blakey 18990a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 19000a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 19010a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 19020a7fcb78SPaul Blakey 19030a7fcb78SPaul Blakey if (attr->chain) { 19040a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 19050a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 19060a7fcb78SPaul Blakey } else { 19070a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 19080a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 19090a7fcb78SPaul Blakey mod_hdr_acts, 19100a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 19110a7fcb78SPaul Blakey if (err) 19120a7fcb78SPaul Blakey goto err_set; 19130a7fcb78SPaul Blakey 19140a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 19150a7fcb78SPaul Blakey } 19160a7fcb78SPaul Blakey 19170a7fcb78SPaul Blakey flow->tunnel_id = value; 19180a7fcb78SPaul Blakey return 0; 19190a7fcb78SPaul Blakey 19200a7fcb78SPaul Blakey err_set: 19210a7fcb78SPaul Blakey if (enc_opts_id) 19220a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19230a7fcb78SPaul Blakey enc_opts_id); 19240a7fcb78SPaul Blakey err_enc_opts: 19250a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19260a7fcb78SPaul Blakey return err; 19270a7fcb78SPaul Blakey } 19280a7fcb78SPaul Blakey 19290a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 19300a7fcb78SPaul Blakey { 19310a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 19320a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 19330a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 19340a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 19350a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 19360a7fcb78SPaul Blakey 19370a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 19380a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 19390a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 19400a7fcb78SPaul Blakey 19410a7fcb78SPaul Blakey if (tun_id) 19420a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19430a7fcb78SPaul Blakey if (enc_opts_id) 19440a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19450a7fcb78SPaul Blakey enc_opts_id); 19460a7fcb78SPaul Blakey } 19470a7fcb78SPaul Blakey 19484c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 19494c3844d9SPaul Blakey { 19504c3844d9SPaul Blakey return flow->tunnel_id; 19514c3844d9SPaul Blakey } 19524c3844d9SPaul Blakey 19530a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 19540a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19550a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 19560a7fcb78SPaul Blakey struct flow_cls_offload *f, 19570a7fcb78SPaul Blakey struct net_device *filter_dev, 19580a7fcb78SPaul Blakey u8 *match_level, 19590a7fcb78SPaul Blakey bool *match_inner) 19600a7fcb78SPaul Blakey { 19610a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 19620a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19630a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 19640a7fcb78SPaul Blakey int err; 19650a7fcb78SPaul Blakey 19660a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 19670a7fcb78SPaul Blakey return -EOPNOTSUPP; 19680a7fcb78SPaul Blakey 19690a7fcb78SPaul Blakey needs_mapping = !!flow->esw_attr->chain; 19700a7fcb78SPaul Blakey sets_mapping = !flow->esw_attr->chain && flow_has_tc_fwd_action(f); 19710a7fcb78SPaul Blakey *match_inner = !needs_mapping; 19720a7fcb78SPaul Blakey 19730a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1974636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 19750a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 1976636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19770a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1978636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19790a7fcb78SPaul Blakey return -EOPNOTSUPP; 19800a7fcb78SPaul Blakey } 19810a7fcb78SPaul Blakey 19820a7fcb78SPaul Blakey if (!flow->esw_attr->chain) { 19830a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 19840a7fcb78SPaul Blakey match_level); 19850a7fcb78SPaul Blakey if (err) { 19860a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 19870a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19880a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19890a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19900a7fcb78SPaul Blakey return err; 19910a7fcb78SPaul Blakey } 19920a7fcb78SPaul Blakey 19930a7fcb78SPaul Blakey flow->esw_attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 19940a7fcb78SPaul Blakey } 19950a7fcb78SPaul Blakey 19960a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 19970a7fcb78SPaul Blakey return 0; 19980a7fcb78SPaul Blakey 19990a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 20000a7fcb78SPaul Blakey } 20010a7fcb78SPaul Blakey 20020a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 20030a7fcb78SPaul Blakey { 20040a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20050a7fcb78SPaul Blakey inner_headers); 20060a7fcb78SPaul Blakey } 20070a7fcb78SPaul Blakey 20080a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 20090a7fcb78SPaul Blakey { 20100a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20110a7fcb78SPaul Blakey inner_headers); 20120a7fcb78SPaul Blakey } 20130a7fcb78SPaul Blakey 20140a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 20150a7fcb78SPaul Blakey { 20160a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20170a7fcb78SPaul Blakey outer_headers); 20180a7fcb78SPaul Blakey } 20190a7fcb78SPaul Blakey 20200a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 20210a7fcb78SPaul Blakey { 20220a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20238377629eSEli Britstein outer_headers); 20248377629eSEli Britstein } 20258377629eSEli Britstein 20268377629eSEli Britstein static void *get_match_headers_value(u32 flags, 20278377629eSEli Britstein struct mlx5_flow_spec *spec) 20288377629eSEli Britstein { 20298377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20300a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 20310a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 20320a7fcb78SPaul Blakey } 20330a7fcb78SPaul Blakey 20340a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 20350a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 20360a7fcb78SPaul Blakey { 20370a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20380a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 20390a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 20408377629eSEli Britstein } 20418377629eSEli Britstein 20426d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 20436d65bc64Swenxu struct flow_cls_offload *f) 20446d65bc64Swenxu { 20456d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20466d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 20476d65bc64Swenxu struct net_device *ingress_dev; 20486d65bc64Swenxu struct flow_match_meta match; 20496d65bc64Swenxu 20506d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 20516d65bc64Swenxu return 0; 20526d65bc64Swenxu 20536d65bc64Swenxu flow_rule_match_meta(rule, &match); 20546d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 20556d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 20566d65bc64Swenxu return -EINVAL; 20576d65bc64Swenxu } 20586d65bc64Swenxu 20596d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 20606d65bc64Swenxu match.key->ingress_ifindex); 20616d65bc64Swenxu if (!ingress_dev) { 20626d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20636d65bc64Swenxu "Can't find the ingress port to match on"); 20646d65bc64Swenxu return -EINVAL; 20656d65bc64Swenxu } 20666d65bc64Swenxu 20676d65bc64Swenxu if (ingress_dev != filter_dev) { 20686d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20696d65bc64Swenxu "Can't match on the ingress filter port"); 20706d65bc64Swenxu return -EINVAL; 20716d65bc64Swenxu } 20726d65bc64Swenxu 20736d65bc64Swenxu return 0; 20746d65bc64Swenxu } 20756d65bc64Swenxu 207672046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 207772046a91SEli Cohen struct flow_cls_offload *f) 207872046a91SEli Cohen { 207972046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 208072046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 208172046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 208272046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 208372046a91SEli Cohen */ 208472046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 208572046a91SEli Cohen return true; 208672046a91SEli Cohen 208772046a91SEli Cohen return false; 208872046a91SEli Cohen } 208972046a91SEli Cohen 2090de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 20910a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2092de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2093f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 209454c177caSOz Shlomo struct net_device *filter_dev, 209593b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2096e3a2b7edSAmir Vadai { 2097e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2098c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2099c5bb1730SMaor Gottlieb outer_headers); 2100c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2101c5bb1730SMaor Gottlieb outer_headers); 2102699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2103699e96ddSJianbo Liu misc_parameters); 2104699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2105699e96ddSJianbo Liu misc_parameters); 2106f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21078f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2108e3a2b7edSAmir Vadai u16 addr_type = 0; 2109e3a2b7edSAmir Vadai u8 ip_proto = 0; 211093b3586eSHuy Nguyen u8 *match_level; 21116d65bc64Swenxu int err; 2112e3a2b7edSAmir Vadai 211393b3586eSHuy Nguyen match_level = outer_match_level; 2114de0af0bfSRoi Dayan 21158f256622SPablo Neira Ayuso if (dissector->used_keys & 21163d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 21173d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2118e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2119e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2120095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2121699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2122e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2123e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2124bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2125bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2126bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2127bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2128bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2129e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2130fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2131bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 21324c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 21339272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 213472046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 213572046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2136e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 2137e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 21388f256622SPablo Neira Ayuso dissector->used_keys); 2139e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2140e3a2b7edSAmir Vadai } 2141e3a2b7edSAmir Vadai 2142075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 21430a7fcb78SPaul Blakey bool match_inner = false; 2144bbd00f7eSHadar Hen Zion 21450a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 21460a7fcb78SPaul Blakey outer_match_level, &match_inner); 21470a7fcb78SPaul Blakey if (err) 21480a7fcb78SPaul Blakey return err; 21490a7fcb78SPaul Blakey 21500a7fcb78SPaul Blakey if (match_inner) { 21510a7fcb78SPaul Blakey /* header pointers should point to the inner headers 21520a7fcb78SPaul Blakey * if the packet was decapsulated already. 21530a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2154bbd00f7eSHadar Hen Zion */ 215593b3586eSHuy Nguyen match_level = inner_match_level; 21560a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 21570a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 21580a7fcb78SPaul Blakey } 2159bbd00f7eSHadar Hen Zion } 2160bbd00f7eSHadar Hen Zion 21616d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 21626d65bc64Swenxu if (err) 21636d65bc64Swenxu return err; 21646d65bc64Swenxu 216572046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 216672046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 21678f256622SPablo Neira Ayuso struct flow_match_basic match; 2168e3a2b7edSAmir Vadai 21698f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 21708f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 21718f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 21728f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 21738f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 21748f256622SPablo Neira Ayuso 21758f256622SPablo Neira Ayuso if (match.mask->n_proto) 2176d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2177e3a2b7edSAmir Vadai } 217835a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 217935a605dbSEli Britstein is_vlan_dev(filter_dev)) { 218035a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 218135a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 21828f256622SPablo Neira Ayuso struct flow_match_vlan match; 21838f256622SPablo Neira Ayuso 218435a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 218535a605dbSEli Britstein match.key = &filter_dev_key; 218635a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 218735a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 218835a605dbSEli Britstein match.key->vlan_priority = 0; 218935a605dbSEli Britstein match.mask = &filter_dev_mask; 219035a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 219135a605dbSEli Britstein match.mask->vlan_priority = 0; 219235a605dbSEli Britstein } else { 21938f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 219435a605dbSEli Britstein } 21958f256622SPablo Neira Ayuso if (match.mask->vlan_id || 21968f256622SPablo Neira Ayuso match.mask->vlan_priority || 21978f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 21988f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2199699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2200699e96ddSJianbo Liu svlan_tag, 1); 2201699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2202699e96ddSJianbo Liu svlan_tag, 1); 2203699e96ddSJianbo Liu } else { 2204699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2205699e96ddSJianbo Liu cvlan_tag, 1); 2206699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2207699e96ddSJianbo Liu cvlan_tag, 1); 2208699e96ddSJianbo Liu } 2209095b6cfdSOr Gerlitz 22108f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 22118f256622SPablo Neira Ayuso match.mask->vlan_id); 22128f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 22138f256622SPablo Neira Ayuso match.key->vlan_id); 2214358d79a4SOr Gerlitz 22158f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 22168f256622SPablo Neira Ayuso match.mask->vlan_priority); 22178f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 22188f256622SPablo Neira Ayuso match.key->vlan_priority); 221954782900SOr Gerlitz 2220d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2221095b6cfdSOr Gerlitz } 2222d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2223fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2224fc603294SMark Bloch * disabled in match value means both S & C tags 2225fc603294SMark Bloch * don't exist (untagged of both) 2226fc603294SMark Bloch */ 2227cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2228d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2229095b6cfdSOr Gerlitz } 2230095b6cfdSOr Gerlitz 22318f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 22328f256622SPablo Neira Ayuso struct flow_match_vlan match; 22338f256622SPablo Neira Ayuso 223412d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 22358f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22368f256622SPablo Neira Ayuso match.mask->vlan_priority || 22378f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 22388f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2239699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2240699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2241699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2242699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2243699e96ddSJianbo Liu } else { 2244699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2245699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2246699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2247699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2248699e96ddSJianbo Liu } 2249699e96ddSJianbo Liu 2250699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 22518f256622SPablo Neira Ayuso match.mask->vlan_id); 2252699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 22538f256622SPablo Neira Ayuso match.key->vlan_id); 2254699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 22558f256622SPablo Neira Ayuso match.mask->vlan_priority); 2256699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 22578f256622SPablo Neira Ayuso match.key->vlan_priority); 2258699e96ddSJianbo Liu 2259699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 2260699e96ddSJianbo Liu } 2261699e96ddSJianbo Liu } 2262699e96ddSJianbo Liu 22638f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 22648f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 226554782900SOr Gerlitz 22668f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2267d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2268d3a80bb5SOr Gerlitz dmac_47_16), 22698f256622SPablo Neira Ayuso match.mask->dst); 2270d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2271d3a80bb5SOr Gerlitz dmac_47_16), 22728f256622SPablo Neira Ayuso match.key->dst); 2273d3a80bb5SOr Gerlitz 2274d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2275d3a80bb5SOr Gerlitz smac_47_16), 22768f256622SPablo Neira Ayuso match.mask->src); 2277d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2278d3a80bb5SOr Gerlitz smac_47_16), 22798f256622SPablo Neira Ayuso match.key->src); 2280d3a80bb5SOr Gerlitz 22818f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 22828f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2283d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 228454782900SOr Gerlitz } 228554782900SOr Gerlitz 22868f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 22878f256622SPablo Neira Ayuso struct flow_match_control match; 228854782900SOr Gerlitz 22898f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 22908f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 229154782900SOr Gerlitz 229254782900SOr Gerlitz /* the HW doesn't support frag first/later */ 22938f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 229454782900SOr Gerlitz return -EOPNOTSUPP; 229554782900SOr Gerlitz 22968f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 229754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 229854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 22998f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 230054782900SOr Gerlitz 230154782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 23028f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 230383621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 230454782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 230554782900SOr Gerlitz else 230683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 230754782900SOr Gerlitz } 230854782900SOr Gerlitz } 230954782900SOr Gerlitz 23108f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 23118f256622SPablo Neira Ayuso struct flow_match_basic match; 23128f256622SPablo Neira Ayuso 23138f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 23148f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 231554782900SOr Gerlitz 231654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 23178f256622SPablo Neira Ayuso match.mask->ip_proto); 231854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 23198f256622SPablo Neira Ayuso match.key->ip_proto); 232054782900SOr Gerlitz 23218f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2322d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 232354782900SOr Gerlitz } 232454782900SOr Gerlitz 2325e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 23268f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2327e3a2b7edSAmir Vadai 23288f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2329e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2330e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23318f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2332e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2333e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23348f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2335e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2336e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23378f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2338e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2339e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23408f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2341de0af0bfSRoi Dayan 23428f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2343d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2344e3a2b7edSAmir Vadai } 2345e3a2b7edSAmir Vadai 2346e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 23478f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2348e3a2b7edSAmir Vadai 23498f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2350e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2351e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23528f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2353e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2354e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23558f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2356e3a2b7edSAmir Vadai 2357e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2358e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23598f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2360e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2361e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 23628f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2363de0af0bfSRoi Dayan 23648f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 23658f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2366d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2367e3a2b7edSAmir Vadai } 2368e3a2b7edSAmir Vadai 23698f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 23708f256622SPablo Neira Ayuso struct flow_match_ip match; 23711f97a526SOr Gerlitz 23728f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 23738f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 23748f256622SPablo Neira Ayuso match.mask->tos & 0x3); 23758f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 23768f256622SPablo Neira Ayuso match.key->tos & 0x3); 23771f97a526SOr Gerlitz 23788f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 23798f256622SPablo Neira Ayuso match.mask->tos >> 2); 23808f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 23818f256622SPablo Neira Ayuso match.key->tos >> 2); 23821f97a526SOr Gerlitz 23838f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 23848f256622SPablo Neira Ayuso match.mask->ttl); 23858f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 23868f256622SPablo Neira Ayuso match.key->ttl); 23871f97a526SOr Gerlitz 23888f256622SPablo Neira Ayuso if (match.mask->ttl && 2389a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2390e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2391e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2392e98bedf5SEli Britstein "Matching on TTL is not supported"); 23931f97a526SOr Gerlitz return -EOPNOTSUPP; 2394e98bedf5SEli Britstein } 2395a8ade55fSOr Gerlitz 23968f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2397d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 23981f97a526SOr Gerlitz } 23991f97a526SOr Gerlitz 240054782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 240154782900SOr Gerlitz 24028f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 24038f256622SPablo Neira Ayuso struct flow_match_ports match; 24048f256622SPablo Neira Ayuso 24058f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2406e3a2b7edSAmir Vadai switch (ip_proto) { 2407e3a2b7edSAmir Vadai case IPPROTO_TCP: 2408e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24098f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2410e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24118f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2412e3a2b7edSAmir Vadai 2413e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24148f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2415e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24168f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2417e3a2b7edSAmir Vadai break; 2418e3a2b7edSAmir Vadai 2419e3a2b7edSAmir Vadai case IPPROTO_UDP: 2420e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24218f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2422e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24238f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2424e3a2b7edSAmir Vadai 2425e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24268f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2427e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24288f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2429e3a2b7edSAmir Vadai break; 2430e3a2b7edSAmir Vadai default: 2431e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2432e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2433e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2434e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2435e3a2b7edSAmir Vadai return -EINVAL; 2436e3a2b7edSAmir Vadai } 2437de0af0bfSRoi Dayan 24388f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2439d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2440e3a2b7edSAmir Vadai } 2441e3a2b7edSAmir Vadai 24428f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 24438f256622SPablo Neira Ayuso struct flow_match_tcp match; 2444e77834ecSOr Gerlitz 24458f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2446e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 24478f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2448e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 24498f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2450e77834ecSOr Gerlitz 24518f256622SPablo Neira Ayuso if (match.mask->flags) 2452d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2453e77834ecSOr Gerlitz } 2454e77834ecSOr Gerlitz 2455e3a2b7edSAmir Vadai return 0; 2456e3a2b7edSAmir Vadai } 2457e3a2b7edSAmir Vadai 2458de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 245965ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2460de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2461f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 246254c177caSOz Shlomo struct net_device *filter_dev) 2463de0af0bfSRoi Dayan { 246493b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2465e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2466de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2467de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 24681d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 24691d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2470226f2ca3SVlad Buslov bool is_eswitch_flow; 2471de0af0bfSRoi Dayan int err; 2472de0af0bfSRoi Dayan 247393b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 247493b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 247593b3586eSHuy Nguyen 24760a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 24770a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 247893b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 247993b3586eSHuy Nguyen outer_match_level : inner_match_level; 2480de0af0bfSRoi Dayan 2481226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2482226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 24831d447a39SSaeed Mahameed rep = rpriv->rep; 2484b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 24851d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 248693b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2487e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2488e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2489de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2490de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 249193b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2492de0af0bfSRoi Dayan return -EOPNOTSUPP; 2493de0af0bfSRoi Dayan } 2494de0af0bfSRoi Dayan } 2495de0af0bfSRoi Dayan 2496226f2ca3SVlad Buslov if (is_eswitch_flow) { 249793b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 249893b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 24996363651dSOr Gerlitz } else { 250093b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 25016363651dSOr Gerlitz } 250238aa51c1SOr Gerlitz 2503de0af0bfSRoi Dayan return err; 2504de0af0bfSRoi Dayan } 2505de0af0bfSRoi Dayan 2506d79b6df6SOr Gerlitz struct pedit_headers { 2507d79b6df6SOr Gerlitz struct ethhdr eth; 25080eb69bb9SEli Britstein struct vlan_hdr vlan; 2509d79b6df6SOr Gerlitz struct iphdr ip4; 2510d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2511d79b6df6SOr Gerlitz struct tcphdr tcp; 2512d79b6df6SOr Gerlitz struct udphdr udp; 2513d79b6df6SOr Gerlitz }; 2514d79b6df6SOr Gerlitz 2515c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2516c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2517c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2518c500c86bSPablo Neira Ayuso u32 pedits; 2519c500c86bSPablo Neira Ayuso }; 2520c500c86bSPablo Neira Ayuso 2521d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 252273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 252373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 252473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 252573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 252673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2527d79b6df6SOr Gerlitz }; 2528d79b6df6SOr Gerlitz 2529d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2530d79b6df6SOr Gerlitz 2531d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2532c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2533d79b6df6SOr Gerlitz { 2534d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2535d79b6df6SOr Gerlitz 2536c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2537c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2538d79b6df6SOr Gerlitz 2539d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2540d79b6df6SOr Gerlitz goto out_err; 2541d79b6df6SOr Gerlitz 2542d79b6df6SOr Gerlitz *curr_pmask |= mask; 2543d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2544d79b6df6SOr Gerlitz 2545d79b6df6SOr Gerlitz return 0; 2546d79b6df6SOr Gerlitz 2547d79b6df6SOr Gerlitz out_err: 2548d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2549d79b6df6SOr Gerlitz } 2550d79b6df6SOr Gerlitz 2551d79b6df6SOr Gerlitz struct mlx5_fields { 2552d79b6df6SOr Gerlitz u8 field; 255388f30bbcSDmytro Linkin u8 field_bsize; 255488f30bbcSDmytro Linkin u32 field_mask; 2555d79b6df6SOr Gerlitz u32 offset; 255627c11b6bSEli Britstein u32 match_offset; 2557d79b6df6SOr Gerlitz }; 2558d79b6df6SOr Gerlitz 255988f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 256088f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 256127c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 256227c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 256327c11b6bSEli Britstein 25642ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 25652ef86872SEli Britstein * match. 25662ef86872SEli Britstein */ 25672ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 25682ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 25692ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 25702ef86872SEli Britstein type maskx = *(type *)(maskp); \ 25712ef86872SEli Britstein type valx = *(type *)(valp); \ 25722ef86872SEli Britstein \ 25732ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 25742ef86872SEli Britstein matchmaskx)); \ 25752ef86872SEli Britstein }) 25762ef86872SEli Britstein 257727c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 257888f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 257927c11b6bSEli Britstein { 258027c11b6bSEli Britstein bool same = false; 258127c11b6bSEli Britstein 258288f30bbcSDmytro Linkin switch (bsize) { 258388f30bbcSDmytro Linkin case 8: 25842ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 258527c11b6bSEli Britstein break; 258688f30bbcSDmytro Linkin case 16: 25872ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 258827c11b6bSEli Britstein break; 258988f30bbcSDmytro Linkin case 32: 25902ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 259127c11b6bSEli Britstein break; 259227c11b6bSEli Britstein } 259327c11b6bSEli Britstein 259427c11b6bSEli Britstein return same; 259527c11b6bSEli Britstein } 2596a8e4f0c4SOr Gerlitz 2597d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 259888f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 259988f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 260088f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 260188f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 260288f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 260388f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2604d79b6df6SOr Gerlitz 2605ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 260688f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 260788f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 260888f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2609d79b6df6SOr Gerlitz 261088f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 261127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 261288f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 261327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 261488f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 261527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 261688f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 261727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 261888f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 261927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 262088f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 262127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 262288f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 262327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 262488f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 262527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 262688f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2627d79b6df6SOr Gerlitz 262888f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 262988f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 263088f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 263188f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2632d79b6df6SOr Gerlitz 263388f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 263488f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2635d79b6df6SOr Gerlitz }; 2636d79b6df6SOr Gerlitz 26376ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 26386ae4a6a5SPaul Blakey int namespace, 26396ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2640e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 264127c11b6bSEli Britstein u32 *action_flags, 2642e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2643d79b6df6SOr Gerlitz { 2644d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 26456ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 264688f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 264788f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 26486ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2649d79b6df6SOr Gerlitz struct mlx5_fields *f; 2650d79b6df6SOr Gerlitz unsigned long mask; 26512b64bebaSOr Gerlitz __be32 mask_be32; 26522b64bebaSOr Gerlitz __be16 mask_be16; 26536ae4a6a5SPaul Blakey int err; 265488f30bbcSDmytro Linkin u8 cmd; 265588f30bbcSDmytro Linkin 26566ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 265788f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 265888f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2659d79b6df6SOr Gerlitz 266073867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 266173867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 266273867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 266373867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2664d79b6df6SOr Gerlitz 2665d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2666d79b6df6SOr Gerlitz 2667d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 266827c11b6bSEli Britstein bool skip; 266927c11b6bSEli Britstein 2670d79b6df6SOr Gerlitz f = &fields[i]; 2671d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2672e3ca4e05SOr Gerlitz s_mask = 0; 2673e3ca4e05SOr Gerlitz a_mask = 0; 2674d79b6df6SOr Gerlitz 2675d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2676d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2677d79b6df6SOr Gerlitz 267888f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 267988f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2680d79b6df6SOr Gerlitz 2681d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2682d79b6df6SOr Gerlitz continue; 2683d79b6df6SOr Gerlitz 2684d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2685e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2686e98bedf5SEli Britstein "can't set and add to the same HW field"); 2687d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2688d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2689d79b6df6SOr Gerlitz } 2690d79b6df6SOr Gerlitz 269127c11b6bSEli Britstein skip = false; 2692d79b6df6SOr Gerlitz if (s_mask) { 269327c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 269427c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 269527c11b6bSEli Britstein 2696d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2697d79b6df6SOr Gerlitz mask = s_mask; 2698d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 269927c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 270027c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 270188f30bbcSDmytro Linkin match_mask, f->field_bsize)) 270227c11b6bSEli Britstein skip = true; 2703d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 270488f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2705d79b6df6SOr Gerlitz } else { 2706d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2707d79b6df6SOr Gerlitz mask = a_mask; 2708d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 270927c11b6bSEli Britstein /* add 0 is no change */ 271088f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 271127c11b6bSEli Britstein skip = true; 2712d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 271388f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2714d79b6df6SOr Gerlitz } 271527c11b6bSEli Britstein if (skip) 271627c11b6bSEli Britstein continue; 2717d79b6df6SOr Gerlitz 271888f30bbcSDmytro Linkin if (f->field_bsize == 32) { 2719404402abSSebastian Hense mask_be32 = (__be32)mask; 27202b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 272188f30bbcSDmytro Linkin } else if (f->field_bsize == 16) { 2722404402abSSebastian Hense mask_be32 = (__be32)mask; 2723404402abSSebastian Hense mask_be16 = *(__be16 *)&mask_be32; 27242b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 27252b64bebaSOr Gerlitz } 27262b64bebaSOr Gerlitz 272788f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 272888f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 272988f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 27302b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2731e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2732e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 27332b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2734d79b6df6SOr Gerlitz mask); 2735d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2736d79b6df6SOr Gerlitz } 2737d79b6df6SOr Gerlitz 27386ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 27396ae4a6a5SPaul Blakey if (err) { 27406ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 27416ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 27426ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 27436ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 27446ae4a6a5SPaul Blakey mod_acts->num_actions); 27456ae4a6a5SPaul Blakey return err; 27466ae4a6a5SPaul Blakey } 27476ae4a6a5SPaul Blakey 27486ae4a6a5SPaul Blakey action = mod_acts->actions + 27496ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2750d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2751d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2752d79b6df6SOr Gerlitz 2753d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 275488f30bbcSDmytro Linkin int start; 275588f30bbcSDmytro Linkin 275688f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 275788f30bbcSDmytro Linkin start = find_first_bit((unsigned long *)&f->field_mask, 275888f30bbcSDmytro Linkin f->field_bsize); 275988f30bbcSDmytro Linkin 276088f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2761d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 27622b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2763d79b6df6SOr Gerlitz } 2764d79b6df6SOr Gerlitz 276588f30bbcSDmytro Linkin if (f->field_bsize == 32) 27662b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 276788f30bbcSDmytro Linkin else if (f->field_bsize == 16) 27682b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 276988f30bbcSDmytro Linkin else if (f->field_bsize == 8) 27702b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2771d79b6df6SOr Gerlitz 27726ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2773d79b6df6SOr Gerlitz } 2774d79b6df6SOr Gerlitz 2775d79b6df6SOr Gerlitz return 0; 2776d79b6df6SOr Gerlitz } 2777d79b6df6SOr Gerlitz 27782cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 27792cc1cb1dSTonghao Zhang int namespace) 27802cc1cb1dSTonghao Zhang { 27812cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 27822cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 27832cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 27842cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 27852cc1cb1dSTonghao Zhang } 27862cc1cb1dSTonghao Zhang 27876ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2788c500c86bSPablo Neira Ayuso int namespace, 27896ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2790d79b6df6SOr Gerlitz { 27916ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 27926ae4a6a5SPaul Blakey size_t new_sz, old_sz; 27936ae4a6a5SPaul Blakey void *ret; 2794d79b6df6SOr Gerlitz 27956ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 27966ae4a6a5SPaul Blakey return 0; 27976ae4a6a5SPaul Blakey 2798d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2799d79b6df6SOr Gerlitz 28006ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 28016ae4a6a5SPaul Blakey namespace); 28026ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 28036ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 28046ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 28056ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 28066ae4a6a5SPaul Blakey return -ENOSPC; 2807d79b6df6SOr Gerlitz 28086ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 28096ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 28106ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 28116ae4a6a5SPaul Blakey if (!ret) 2812d79b6df6SOr Gerlitz return -ENOMEM; 2813d79b6df6SOr Gerlitz 28146ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 28156ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 28166ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 28176ae4a6a5SPaul Blakey 2818d79b6df6SOr Gerlitz return 0; 2819d79b6df6SOr Gerlitz } 2820d79b6df6SOr Gerlitz 28216ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 28226ae4a6a5SPaul Blakey { 28236ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 28246ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 28256ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 28266ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 28276ae4a6a5SPaul Blakey } 28286ae4a6a5SPaul Blakey 2829d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2830d79b6df6SOr Gerlitz 2831d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 283273867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2833c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2834e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2835d79b6df6SOr Gerlitz { 283673867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 283773867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2838d79b6df6SOr Gerlitz u32 mask, val, offset; 283973867881SPablo Neira Ayuso u8 htype; 2840d79b6df6SOr Gerlitz 284173867881SPablo Neira Ayuso htype = act->mangle.htype; 2842d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2843d79b6df6SOr Gerlitz 284473867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 284573867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2846d79b6df6SOr Gerlitz goto out_err; 2847d79b6df6SOr Gerlitz } 2848d79b6df6SOr Gerlitz 28492cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 28502cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 28512cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 28522cc1cb1dSTonghao Zhang goto out_err; 28532cc1cb1dSTonghao Zhang } 28542cc1cb1dSTonghao Zhang 285573867881SPablo Neira Ayuso mask = act->mangle.mask; 285673867881SPablo Neira Ayuso val = act->mangle.val; 285773867881SPablo Neira Ayuso offset = act->mangle.offset; 2858d79b6df6SOr Gerlitz 2859c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2860d79b6df6SOr Gerlitz if (err) 2861d79b6df6SOr Gerlitz goto out_err; 2862c500c86bSPablo Neira Ayuso 2863c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2864d79b6df6SOr Gerlitz 2865c500c86bSPablo Neira Ayuso return 0; 2866c500c86bSPablo Neira Ayuso out_err: 2867c500c86bSPablo Neira Ayuso return err; 2868c500c86bSPablo Neira Ayuso } 2869c500c86bSPablo Neira Ayuso 2870c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2871c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2872c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 287327c11b6bSEli Britstein u32 *action_flags, 2874c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2875c500c86bSPablo Neira Ayuso { 2876c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2877c500c86bSPablo Neira Ayuso int err; 2878c500c86bSPablo Neira Ayuso u8 cmd; 2879c500c86bSPablo Neira Ayuso 28806ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 28816ae4a6a5SPaul Blakey action_flags, extack); 2882d79b6df6SOr Gerlitz if (err < 0) 2883d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2884d79b6df6SOr Gerlitz 2885d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2886c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2887d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2888e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2889e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2890b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2891d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2892d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2893d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2894d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2895d79b6df6SOr Gerlitz } 2896d79b6df6SOr Gerlitz } 2897d79b6df6SOr Gerlitz 2898d79b6df6SOr Gerlitz return 0; 2899d79b6df6SOr Gerlitz 2900d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 29016ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2902d79b6df6SOr Gerlitz return err; 2903d79b6df6SOr Gerlitz } 2904d79b6df6SOr Gerlitz 2905e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2906e98bedf5SEli Britstein u32 action, 2907e98bedf5SEli Britstein u32 update_flags, 2908e98bedf5SEli Britstein struct netlink_ext_ack *extack) 290926c02749SOr Gerlitz { 291026c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 291126c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 291226c02749SOr Gerlitz 291326c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 291426c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2915e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2916e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 291726c02749SOr Gerlitz netdev_warn(priv->netdev, 291826c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 291926c02749SOr Gerlitz return false; 292026c02749SOr Gerlitz } 292126c02749SOr Gerlitz 292226c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2923e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2924e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 292526c02749SOr Gerlitz netdev_warn(priv->netdev, 292626c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 292726c02749SOr Gerlitz update_flags); 292826c02749SOr Gerlitz return false; 292926c02749SOr Gerlitz } 293026c02749SOr Gerlitz 293126c02749SOr Gerlitz return true; 293226c02749SOr Gerlitz } 293326c02749SOr Gerlitz 29348998576bSDmytro Linkin struct ip_ttl_word { 29358998576bSDmytro Linkin __u8 ttl; 29368998576bSDmytro Linkin __u8 protocol; 29378998576bSDmytro Linkin __sum16 check; 29388998576bSDmytro Linkin }; 29398998576bSDmytro Linkin 29408998576bSDmytro Linkin struct ipv6_hoplimit_word { 29418998576bSDmytro Linkin __be16 payload_len; 29428998576bSDmytro Linkin __u8 nexthdr; 29438998576bSDmytro Linkin __u8 hop_limit; 29448998576bSDmytro Linkin }; 29458998576bSDmytro Linkin 29464c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 29474c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 29484c3844d9SPaul Blakey struct netlink_ext_ack *extack) 29498998576bSDmytro Linkin { 29508998576bSDmytro Linkin u32 mask, offset; 29518998576bSDmytro Linkin u8 htype; 29528998576bSDmytro Linkin 29538998576bSDmytro Linkin htype = act->mangle.htype; 29548998576bSDmytro Linkin offset = act->mangle.offset; 29558998576bSDmytro Linkin mask = ~act->mangle.mask; 29568998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 29578998576bSDmytro Linkin * to determine that modified fields 29588998576bSDmytro Linkin * are NOT ttl & hop_limit only. 29598998576bSDmytro Linkin */ 29608998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 29618998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 29628998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 29638998576bSDmytro Linkin 29648998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 29658998576bSDmytro Linkin ttl_word->protocol || 29668998576bSDmytro Linkin ttl_word->check) { 29674c3844d9SPaul Blakey *modify_ip_header = true; 29684c3844d9SPaul Blakey } 29694c3844d9SPaul Blakey 29704c3844d9SPaul Blakey if (ct_flow && offset >= offsetof(struct iphdr, saddr)) { 29714c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29724c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 29734c3844d9SPaul Blakey return -EOPNOTSUPP; 29748998576bSDmytro Linkin } 29758998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 29768998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 29778998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 29788998576bSDmytro Linkin 29798998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 29808998576bSDmytro Linkin hoplimit_word->payload_len || 29818998576bSDmytro Linkin hoplimit_word->nexthdr) { 29824c3844d9SPaul Blakey *modify_ip_header = true; 29838998576bSDmytro Linkin } 29844c3844d9SPaul Blakey 29854c3844d9SPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) { 29864c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29874c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 29884c3844d9SPaul Blakey return -EOPNOTSUPP; 29898998576bSDmytro Linkin } 29904c3844d9SPaul Blakey } else if (ct_flow && (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 29914c3844d9SPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP)) { 29924c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29934c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 29944c3844d9SPaul Blakey return -EOPNOTSUPP; 29954c3844d9SPaul Blakey } 29964c3844d9SPaul Blakey 29974c3844d9SPaul Blakey return 0; 29988998576bSDmytro Linkin } 29998998576bSDmytro Linkin 3000bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 300173867881SPablo Neira Ayuso struct flow_action *flow_action, 30024c3844d9SPaul Blakey u32 actions, bool ct_flow, 3003e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3004bdd66ac0SOr Gerlitz { 300573867881SPablo Neira Ayuso const struct flow_action_entry *act; 3006bdd66ac0SOr Gerlitz bool modify_ip_header; 3007bdd66ac0SOr Gerlitz void *headers_v; 3008bdd66ac0SOr Gerlitz u16 ethertype; 30098998576bSDmytro Linkin u8 ip_proto; 30104c3844d9SPaul Blakey int i, err; 3011bdd66ac0SOr Gerlitz 30128377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3013bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3014bdd66ac0SOr Gerlitz 3015bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3016bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3017bdd66ac0SOr Gerlitz goto out_ok; 3018bdd66ac0SOr Gerlitz 3019bdd66ac0SOr Gerlitz modify_ip_header = false; 302073867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 302173867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 302273867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3023bdd66ac0SOr Gerlitz continue; 3024bdd66ac0SOr Gerlitz 30254c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 30264c3844d9SPaul Blakey &modify_ip_header, extack); 30274c3844d9SPaul Blakey if (err) 30284c3844d9SPaul Blakey return err; 3029bdd66ac0SOr Gerlitz } 3030bdd66ac0SOr Gerlitz 3031bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 30321ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 30331ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3034e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3035e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 3036bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 3037bdd66ac0SOr Gerlitz return false; 3038bdd66ac0SOr Gerlitz } 3039bdd66ac0SOr Gerlitz 3040bdd66ac0SOr Gerlitz out_ok: 3041bdd66ac0SOr Gerlitz return true; 3042bdd66ac0SOr Gerlitz } 3043bdd66ac0SOr Gerlitz 3044bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 304573867881SPablo Neira Ayuso struct flow_action *flow_action, 3046bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3047e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3048e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3049bdd66ac0SOr Gerlitz { 3050d0645b37SRoi Dayan bool ct_flow; 3051bdd66ac0SOr Gerlitz u32 actions; 3052bdd66ac0SOr Gerlitz 30534c3844d9SPaul Blakey ct_flow = flow_flag_test(flow, CT); 30544c3844d9SPaul Blakey if (mlx5e_is_eswitch_flow(flow)) { 3055bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 30564c3844d9SPaul Blakey 30574c3844d9SPaul Blakey if (flow->esw_attr->split_count && ct_flow) { 30584c3844d9SPaul Blakey /* All registers used by ct are cleared when using 30594c3844d9SPaul Blakey * split rules. 30604c3844d9SPaul Blakey */ 30614c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30624c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 306349397b80SDan Carpenter return false; 30644c3844d9SPaul Blakey } 30654c3844d9SPaul Blakey } else { 3066bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 30674c3844d9SPaul Blakey } 3068bdd66ac0SOr Gerlitz 3069bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 307073867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 3071a655fe9fSDavid S. Miller flow_action, actions, 30724c3844d9SPaul Blakey ct_flow, extack); 3073bdd66ac0SOr Gerlitz 3074bdd66ac0SOr Gerlitz return true; 3075bdd66ac0SOr Gerlitz } 3076bdd66ac0SOr Gerlitz 30775c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 30785c65c564SOr Gerlitz { 30795c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3080816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 30815c65c564SOr Gerlitz 30825c65c564SOr Gerlitz fmdev = priv->mdev; 30835c65c564SOr Gerlitz pmdev = peer_priv->mdev; 30845c65c564SOr Gerlitz 308559c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 308659c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 30875c65c564SOr Gerlitz 3088816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 30895c65c564SOr Gerlitz } 30905c65c564SOr Gerlitz 3091bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3092bdc837eeSEli Britstein const struct flow_action_entry *act, 3093bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3094bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3095bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3096bdc837eeSEli Britstein { 3097bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3098bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3099bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3100bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3101bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3102bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3103bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3104bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3105bdc837eeSEli Britstein }; 31066fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3107bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3108bdc837eeSEli Britstein int err; 3109bdc837eeSEli Britstein 3110bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3111bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3112bf2f3bcaSEli Britstein 3113bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3114bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3115bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3116bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3117bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3118bf2f3bcaSEli Britstein } 3119bf2f3bcaSEli Britstein 31206fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 31216fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 31226fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 31236fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 31246fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3125bdc837eeSEli Britstein return -EOPNOTSUPP; 3126bdc837eeSEli Britstein } 3127bdc837eeSEli Britstein 3128dec481c8SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, hdrs, NULL); 3129bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3130bdc837eeSEli Britstein 3131bdc837eeSEli Britstein return err; 3132bdc837eeSEli Britstein } 3133bdc837eeSEli Britstein 31340bac1194SEli Britstein static int 31350bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 31360bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 31370bac1194SEli Britstein struct pedit_headers_action *hdrs, 31380bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 31390bac1194SEli Britstein { 31400bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 31410bac1194SEli Britstein .vlan.vid = 0, 31420bac1194SEli Britstein .vlan.prio = 31430bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 31440bac1194SEli Britstein get_match_headers_value(*action, 31450bac1194SEli Britstein &parse_attr->spec), 31460bac1194SEli Britstein first_prio) & 31470bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 31480bac1194SEli Britstein get_match_headers_criteria(*action, 31490bac1194SEli Britstein &parse_attr->spec), 31500bac1194SEli Britstein first_prio), 31510bac1194SEli Britstein }; 31520bac1194SEli Britstein 31530bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 31540bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 31550bac1194SEli Britstein extack); 31560bac1194SEli Britstein } 31570bac1194SEli Britstein 315873867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 315973867881SPablo Neira Ayuso struct flow_action *flow_action, 3160aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3161e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3162e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3163e3a2b7edSAmir Vadai { 3164aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 316573867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 316673867881SPablo Neira Ayuso const struct flow_action_entry *act; 31671cab1cd7SOr Gerlitz u32 action = 0; 3168244cd96aSCong Wang int err, i; 3169e3a2b7edSAmir Vadai 317073867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3171e3a2b7edSAmir Vadai return -EINVAL; 3172e3a2b7edSAmir Vadai 317353eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 317453eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3175319a1d19SJiri Pirko return -EOPNOTSUPP; 3176319a1d19SJiri Pirko 31773bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3178e3a2b7edSAmir Vadai 317973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 318073867881SPablo Neira Ayuso switch (act->id) { 318115fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 318215fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 318315fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 318415fc92ecSTonghao Zhang break; 318573867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 31861cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3187aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3188aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 31891cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 319073867881SPablo Neira Ayuso break; 319173867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 319273867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 319373867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3194dec481c8SEli Cohen hdrs, extack); 31952f4fe4caSOr Gerlitz if (err) 31962f4fe4caSOr Gerlitz return err; 31972f4fe4caSOr Gerlitz 31981cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 31992f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 320073867881SPablo Neira Ayuso break; 3201bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3202bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3203bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3204bdc837eeSEli Britstein act, parse_attr, hdrs, 3205bdc837eeSEli Britstein &action, extack); 3206bdc837eeSEli Britstein if (err) 3207bdc837eeSEli Britstein return err; 3208bdc837eeSEli Britstein 3209bdc837eeSEli Britstein break; 321073867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 32111cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 321273867881SPablo Neira Ayuso act->csum_flags, 3213e98bedf5SEli Britstein extack)) 321473867881SPablo Neira Ayuso break; 321526c02749SOr Gerlitz 321626c02749SOr Gerlitz return -EOPNOTSUPP; 321773867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 321873867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 32195c65c564SOr Gerlitz 32205c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 32215c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 322298b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3223226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 32241cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 32255c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 32265c65c564SOr Gerlitz } else { 3227e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3228e98bedf5SEli Britstein "device is not on same HW, can't offload"); 32295c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 32305c65c564SOr Gerlitz peer_dev->name); 32315c65c564SOr Gerlitz return -EINVAL; 32325c65c564SOr Gerlitz } 32335c65c564SOr Gerlitz } 323473867881SPablo Neira Ayuso break; 323573867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 323673867881SPablo Neira Ayuso u32 mark = act->mark; 3237e3a2b7edSAmir Vadai 3238e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3239e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3240e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3241e3a2b7edSAmir Vadai return -EINVAL; 3242e3a2b7edSAmir Vadai } 3243e3a2b7edSAmir Vadai 32443bc4b7bfSOr Gerlitz attr->flow_tag = mark; 32451cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3246e3a2b7edSAmir Vadai } 324773867881SPablo Neira Ayuso break; 324873867881SPablo Neira Ayuso default: 32492cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 32502cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3251e3a2b7edSAmir Vadai } 325273867881SPablo Neira Ayuso } 3253e3a2b7edSAmir Vadai 3254c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3255c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3256c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 325727c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3258c500c86bSPablo Neira Ayuso if (err) 3259c500c86bSPablo Neira Ayuso return err; 326027c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 326127c11b6bSEli Britstein * flag. 326227c11b6bSEli Britstein */ 32636ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 326427c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 32656ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3266e7739a60SEli Britstein } 3267c500c86bSPablo Neira Ayuso } 3268c500c86bSPablo Neira Ayuso 32691cab1cd7SOr Gerlitz attr->action = action; 327073867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3271bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3272bdd66ac0SOr Gerlitz 3273e3a2b7edSAmir Vadai return 0; 3274e3a2b7edSAmir Vadai } 3275e3a2b7edSAmir Vadai 32767f1a546eSEli Britstein struct encap_key { 32771f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 3278d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 32797f1a546eSEli Britstein }; 32807f1a546eSEli Britstein 32817f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 32827f1a546eSEli Britstein struct encap_key *b) 3283a54e20b4SHadar Hen Zion { 32847f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 3285d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 3286a54e20b4SHadar Hen Zion } 3287a54e20b4SHadar Hen Zion 32887f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 3289a54e20b4SHadar Hen Zion { 32907f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 3291d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 3292a54e20b4SHadar Hen Zion } 3293a54e20b4SHadar Hen Zion 3294a54e20b4SHadar Hen Zion 3295b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 3296b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3297b1d90e6bSRabie Loulou { 3298b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3299b1d90e6bSRabie Loulou 3300b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3301b1d90e6bSRabie Loulou 3302b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 330368931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 330468931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 330568931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3306b1d90e6bSRabie Loulou } 3307b1d90e6bSRabie Loulou 3308ce99f6b9SOr Gerlitz 330954c177caSOz Shlomo 3310948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 3311948993f2SVlad Buslov { 3312948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 3313948993f2SVlad Buslov } 3314948993f2SVlad Buslov 3315948993f2SVlad Buslov static struct mlx5e_encap_entry * 3316948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 3317948993f2SVlad Buslov uintptr_t hash_key) 3318948993f2SVlad Buslov { 3319948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3320948993f2SVlad Buslov struct mlx5e_encap_entry *e; 3321948993f2SVlad Buslov struct encap_key e_key; 3322948993f2SVlad Buslov 3323948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 3324948993f2SVlad Buslov encap_hlist, hash_key) { 3325948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 3326948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 3327948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 3328948993f2SVlad Buslov mlx5e_encap_take(e)) 3329948993f2SVlad Buslov return e; 3330948993f2SVlad Buslov } 3331948993f2SVlad Buslov 3332948993f2SVlad Buslov return NULL; 3333948993f2SVlad Buslov } 3334948993f2SVlad Buslov 33352a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 33362a4b6526SVlad Buslov { 33372a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 33382a4b6526SVlad Buslov 33392a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 33402a4b6526SVlad Buslov } 33412a4b6526SVlad Buslov 3342554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 3343554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 3344554fe75cSDmytro Linkin int out_index, 3345554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 3346554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3347554fe75cSDmytro Linkin { 3348554fe75cSDmytro Linkin int i; 3349554fe75cSDmytro Linkin 3350554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 3351554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 3352554fe75cSDmytro Linkin continue; 3353554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 3354554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 3355554fe75cSDmytro Linkin return true; 3356554fe75cSDmytro Linkin } 3357554fe75cSDmytro Linkin 3358554fe75cSDmytro Linkin return false; 3359554fe75cSDmytro Linkin } 3360554fe75cSDmytro Linkin 3361a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3362e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3363733d4f36SRoi Dayan struct net_device *mirred_dev, 3364733d4f36SRoi Dayan int out_index, 33658c4dc42bSEli Britstein struct netlink_ext_ack *extack, 33660ad060eeSRoi Dayan struct net_device **encap_dev, 33670ad060eeSRoi Dayan bool *encap_valid) 336803a9d11eSOr Gerlitz { 3369a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 337045247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3371733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 33721f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3373948993f2SVlad Buslov struct encap_key key; 3374c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3375733d4f36SRoi Dayan unsigned short family; 3376a54e20b4SHadar Hen Zion uintptr_t hash_key; 337754c177caSOz Shlomo int err = 0; 3378a54e20b4SHadar Hen Zion 3379733d4f36SRoi Dayan parse_attr = attr->parse_attr; 33801f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3381733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 33827f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3383d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3384d71f895cSEli Cohen if (!key.tc_tunnel) { 3385d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3386d71f895cSEli Cohen return -EOPNOTSUPP; 3387d71f895cSEli Cohen } 3388733d4f36SRoi Dayan 33897f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3390a54e20b4SHadar Hen Zion 339161086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3392948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3393a54e20b4SHadar Hen Zion 3394b2812089SVlad Buslov /* must verify if encap is valid or not */ 3395d589e785SVlad Buslov if (e) { 3396554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3397554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3398554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3399554fe75cSDmytro Linkin goto out_err; 3400554fe75cSDmytro Linkin } 3401554fe75cSDmytro Linkin 3402d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3403d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3404d589e785SVlad Buslov 3405d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3406d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 34073c140dd5SVlad Buslov if (e->compl_result < 0) { 3408d589e785SVlad Buslov err = -EREMOTEIO; 3409d589e785SVlad Buslov goto out_err; 3410d589e785SVlad Buslov } 341145247bf2SOr Gerlitz goto attach_flow; 3412d589e785SVlad Buslov } 3413a54e20b4SHadar Hen Zion 3414a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 341561086f39SVlad Buslov if (!e) { 341661086f39SVlad Buslov err = -ENOMEM; 341761086f39SVlad Buslov goto out_err; 341861086f39SVlad Buslov } 3419a54e20b4SHadar Hen Zion 3420948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3421d589e785SVlad Buslov init_completion(&e->res_ready); 3422d589e785SVlad Buslov 34232a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 34242a4b6526SVlad Buslov if (!tun_info) { 34252a4b6526SVlad Buslov err = -ENOMEM; 34262a4b6526SVlad Buslov goto out_err_init; 34272a4b6526SVlad Buslov } 34281f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3429101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 34302a4b6526SVlad Buslov if (err) 34312a4b6526SVlad Buslov goto out_err_init; 343254c177caSOz Shlomo 3433a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3434d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3435d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3436a54e20b4SHadar Hen Zion 3437ce99f6b9SOr Gerlitz if (family == AF_INET) 3438101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3439ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3440101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3441ce99f6b9SOr Gerlitz 3442d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3443d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3444d589e785SVlad Buslov complete_all(&e->res_ready); 3445d589e785SVlad Buslov if (err) { 3446d589e785SVlad Buslov e->compl_result = err; 3447a54e20b4SHadar Hen Zion goto out_err; 3448d589e785SVlad Buslov } 34493c140dd5SVlad Buslov e->compl_result = 1; 3450a54e20b4SHadar Hen Zion 345145247bf2SOr Gerlitz attach_flow: 3452948993f2SVlad Buslov flow->encaps[out_index].e = e; 34538c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 34548c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 345545247bf2SOr Gerlitz *encap_dev = e->out_dev; 34568c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 34572b688ea5SMaor Gottlieb attr->dests[out_index].pkt_reformat = e->pkt_reformat; 34588c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 34590ad060eeSRoi Dayan *encap_valid = true; 34608c4dc42bSEli Britstein } else { 34610ad060eeSRoi Dayan *encap_valid = false; 34628c4dc42bSEli Britstein } 346361086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 346445247bf2SOr Gerlitz 3465232c0013SHadar Hen Zion return err; 3466a54e20b4SHadar Hen Zion 3467a54e20b4SHadar Hen Zion out_err: 346861086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3469d589e785SVlad Buslov if (e) 3470d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3471a54e20b4SHadar Hen Zion return err; 34722a4b6526SVlad Buslov 34732a4b6526SVlad Buslov out_err_init: 34742a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 34752a4b6526SVlad Buslov kfree(tun_info); 34762a4b6526SVlad Buslov kfree(e); 34772a4b6526SVlad Buslov return err; 3478a54e20b4SHadar Hen Zion } 3479a54e20b4SHadar Hen Zion 34801482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 348173867881SPablo Neira Ayuso const struct flow_action_entry *act, 34821482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 34831482bd3dSJianbo Liu u32 *action) 34841482bd3dSJianbo Liu { 3485cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3486cc495188SJianbo Liu 3487cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 34881482bd3dSJianbo Liu return -EOPNOTSUPP; 3489cc495188SJianbo Liu 349073867881SPablo Neira Ayuso switch (act->id) { 349173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3492cc495188SJianbo Liu if (vlan_idx) { 3493cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3494cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3495cc495188SJianbo Liu return -EOPNOTSUPP; 3496cc495188SJianbo Liu 3497cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3498cc495188SJianbo Liu } else { 3499cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3500cc495188SJianbo Liu } 350173867881SPablo Neira Ayuso break; 350273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 350373867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 350473867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 350573867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3506cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3507cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3508cc495188SJianbo Liu 3509cc495188SJianbo Liu if (vlan_idx) { 3510cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3511cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3512cc495188SJianbo Liu return -EOPNOTSUPP; 3513cc495188SJianbo Liu 3514cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3515cc495188SJianbo Liu } else { 3516cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 351773867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 351873867881SPablo Neira Ayuso act->vlan.prio)) 3519cc495188SJianbo Liu return -EOPNOTSUPP; 3520cc495188SJianbo Liu 3521cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 35221482bd3dSJianbo Liu } 352373867881SPablo Neira Ayuso break; 352473867881SPablo Neira Ayuso default: 3525bdc837eeSEli Britstein return -EINVAL; 35261482bd3dSJianbo Liu } 35271482bd3dSJianbo Liu 3528cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3529cc495188SJianbo Liu 35301482bd3dSJianbo Liu return 0; 35311482bd3dSJianbo Liu } 35321482bd3dSJianbo Liu 3533278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3534278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3535278748a9SEli Britstein struct net_device **out_dev, 3536278748a9SEli Britstein u32 *action) 3537278748a9SEli Britstein { 3538278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3539278748a9SEli Britstein struct flow_action_entry vlan_act = { 3540278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3541278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3542278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3543278748a9SEli Britstein .vlan.prio = 0, 3544278748a9SEli Britstein }; 3545278748a9SEli Britstein int err; 3546278748a9SEli Britstein 3547278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3548278748a9SEli Britstein if (err) 3549278748a9SEli Britstein return err; 3550278748a9SEli Britstein 3551278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3552278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3553278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3554278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3555278748a9SEli Britstein 3556278748a9SEli Britstein return err; 3557278748a9SEli Britstein } 3558278748a9SEli Britstein 355935a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 356035a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 356135a605dbSEli Britstein u32 *action) 356235a605dbSEli Britstein { 356335a605dbSEli Britstein struct flow_action_entry vlan_act = { 356435a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 356535a605dbSEli Britstein }; 356670f478caSDmytro Linkin int nest_level, err = 0; 356735a605dbSEli Britstein 356870f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 356970f478caSDmytro Linkin priv->netdev->lower_level; 357035a605dbSEli Britstein while (nest_level--) { 357135a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 357235a605dbSEli Britstein if (err) 357335a605dbSEli Britstein return err; 357435a605dbSEli Britstein } 357535a605dbSEli Britstein 357635a605dbSEli Britstein return err; 357735a605dbSEli Britstein } 357835a605dbSEli Britstein 3579f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3580f6dc1264SPaul Blakey struct net_device *out_dev) 3581f6dc1264SPaul Blakey { 3582f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 3583f6dc1264SPaul Blakey return true; 3584f6dc1264SPaul Blakey 3585f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 3586f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 3587f6dc1264SPaul Blakey } 3588f6dc1264SPaul Blakey 3589554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3590554fe75cSDmytro Linkin struct net_device *out_dev, 3591554fe75cSDmytro Linkin int *ifindexes, int if_count, 3592554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3593554fe75cSDmytro Linkin { 3594554fe75cSDmytro Linkin int i; 3595554fe75cSDmytro Linkin 3596554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3597554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3598554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3599554fe75cSDmytro Linkin "can't duplicate output to same device"); 3600554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3601554fe75cSDmytro Linkin out_dev->name); 3602554fe75cSDmytro Linkin return true; 3603554fe75cSDmytro Linkin } 3604554fe75cSDmytro Linkin } 3605554fe75cSDmytro Linkin 3606554fe75cSDmytro Linkin return false; 3607554fe75cSDmytro Linkin } 3608554fe75cSDmytro Linkin 36092fbbc30dSEli Cohen static int mlx5_validate_goto_chain(struct mlx5_eswitch *esw, 36102fbbc30dSEli Cohen struct mlx5e_tc_flow *flow, 36112fbbc30dSEli Cohen const struct flow_action_entry *act, 36122fbbc30dSEli Cohen u32 actions, 36132fbbc30dSEli Cohen struct netlink_ext_ack *extack) 36142fbbc30dSEli Cohen { 36152fbbc30dSEli Cohen u32 max_chain = mlx5_esw_chains_get_chain_range(esw); 36162fbbc30dSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 36172fbbc30dSEli Cohen bool ft_flow = mlx5e_is_ft_flow(flow); 36182fbbc30dSEli Cohen u32 dest_chain = act->chain_index; 36192fbbc30dSEli Cohen 36202fbbc30dSEli Cohen if (ft_flow) { 36212fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 36222fbbc30dSEli Cohen return -EOPNOTSUPP; 36232fbbc30dSEli Cohen } 36242fbbc30dSEli Cohen 36252fbbc30dSEli Cohen if (!mlx5_esw_chains_backwards_supported(esw) && 36262fbbc30dSEli Cohen dest_chain <= attr->chain) { 36272fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 36282fbbc30dSEli Cohen "Goto lower numbered chain isn't supported"); 36292fbbc30dSEli Cohen return -EOPNOTSUPP; 36302fbbc30dSEli Cohen } 36312fbbc30dSEli Cohen if (dest_chain > max_chain) { 36322fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 36332fbbc30dSEli Cohen "Requested destination chain is out of supported range"); 36342fbbc30dSEli Cohen return -EOPNOTSUPP; 36352fbbc30dSEli Cohen } 36362fbbc30dSEli Cohen 36372fbbc30dSEli Cohen if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 36382fbbc30dSEli Cohen MLX5_FLOW_CONTEXT_ACTION_DECAP) && 36392fbbc30dSEli Cohen !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat_and_fwd_to_table)) { 36402fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 36412fbbc30dSEli Cohen "Goto chain is not allowed if action has reformat or decap"); 36422fbbc30dSEli Cohen return -EOPNOTSUPP; 36432fbbc30dSEli Cohen } 36442fbbc30dSEli Cohen 36452fbbc30dSEli Cohen return 0; 36462fbbc30dSEli Cohen } 36472fbbc30dSEli Cohen 3648613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3649613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3650613f53feSEli Cohen struct net_device *out_dev, 3651613f53feSEli Cohen struct netlink_ext_ack *extack) 3652613f53feSEli Cohen { 3653613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3654613f53feSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3655613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3656613f53feSEli Cohen 3657613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3658613f53feSEli Cohen * uplink ports is allowed only if 3659613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3660613f53feSEli Cohen * 3661613f53feSEli Cohen * Input vport was stored esw_attr->in_rep. 3662613f53feSEli Cohen * In LAG case, *priv* is the private data of 3663613f53feSEli Cohen * uplink which may be not the input vport. 3664613f53feSEli Cohen */ 3665613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3666613f53feSEli Cohen 3667613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3668613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3669613f53feSEli Cohen return 0; 3670613f53feSEli Cohen 3671613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3672613f53feSEli Cohen termination_table_raw_traffic)) { 3673613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3674613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3675613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3676613f53feSEli Cohen priv->netdev->name, out_dev->name); 3677613f53feSEli Cohen return -EOPNOTSUPP; 3678613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3679613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3680613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3681613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3682613f53feSEli Cohen priv->netdev->name, out_dev->name); 3683613f53feSEli Cohen return -EOPNOTSUPP; 3684613f53feSEli Cohen } 3685613f53feSEli Cohen return 0; 3686613f53feSEli Cohen } 3687613f53feSEli Cohen 368873867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 368973867881SPablo Neira Ayuso struct flow_action *flow_action, 3690e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3691e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3692a54e20b4SHadar Hen Zion { 369373867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3694bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3695ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 36966f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 36971d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 369873867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3699554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 370084179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 370173867881SPablo Neira Ayuso const struct flow_action_entry *act; 37020a7fcb78SPaul Blakey bool encap = false, decap = false; 37030a7fcb78SPaul Blakey u32 action = attr->action; 3704554fe75cSDmytro Linkin int err, i, if_count = 0; 3705f828ca6aSEli Cohen bool mpls_push = false; 370603a9d11eSOr Gerlitz 370773867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 370803a9d11eSOr Gerlitz return -EINVAL; 370903a9d11eSOr Gerlitz 371053eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 371153eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3712319a1d19SJiri Pirko return -EOPNOTSUPP; 3713319a1d19SJiri Pirko 371473867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 371573867881SPablo Neira Ayuso switch (act->id) { 371673867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 37171cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 371803a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 371973867881SPablo Neira Ayuso break; 3720f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3721f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3722f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3723f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3724f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3725f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 3726f828ca6aSEli Cohen return -EOPNOTSUPP; 3727f828ca6aSEli Cohen } 3728f828ca6aSEli Cohen mpls_push = true; 3729f828ca6aSEli Cohen break; 373073867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 373173867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 373273867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3733dec481c8SEli Cohen hdrs, extack); 3734d7e75a32SOr Gerlitz if (err) 3735d7e75a32SOr Gerlitz return err; 3736d7e75a32SOr Gerlitz 37371cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3738e85e02baSEli Britstein attr->split_count = attr->out_count; 373973867881SPablo Neira Ayuso break; 374073867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 37411cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 374273867881SPablo Neira Ayuso act->csum_flags, extack)) 374373867881SPablo Neira Ayuso break; 374426c02749SOr Gerlitz 374526c02749SOr Gerlitz return -EOPNOTSUPP; 374673867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 374773867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 374803a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3749592d3651SChris Mi struct net_device *out_dev; 375003a9d11eSOr Gerlitz 375173867881SPablo Neira Ayuso out_dev = act->dev; 3752ef381359SOz Shlomo if (!out_dev) { 3753ef381359SOz Shlomo /* out_dev is NULL when filters with 3754ef381359SOz Shlomo * non-existing mirred device are replayed to 3755ef381359SOz Shlomo * the driver. 3756ef381359SOz Shlomo */ 3757ef381359SOz Shlomo return -EINVAL; 3758ef381359SOz Shlomo } 375903a9d11eSOr Gerlitz 3760f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 3761f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3762f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 3763f828ca6aSEli Cohen return -EOPNOTSUPP; 3764f828ca6aSEli Cohen } 3765f828ca6aSEli Cohen 376684179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 376784179981SPaul Blakey /* Ignore forward to self rules generated 376884179981SPaul Blakey * by adding both mlx5 devs to the flow table 376984179981SPaul Blakey * block on a normal nft offload setup. 377084179981SPaul Blakey */ 377184179981SPaul Blakey return -EOPNOTSUPP; 377284179981SPaul Blakey } 377384179981SPaul Blakey 3774592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3775e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3776e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 37774ccd83f4SRoi Dayan netdev_warn(priv->netdev, 37784ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 3779592d3651SChris Mi attr->out_count); 3780592d3651SChris Mi return -EOPNOTSUPP; 3781592d3651SChris Mi } 3782592d3651SChris Mi 3783f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3784f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3785b6a4ac24SVlad Buslov if (encap) { 3786b6a4ac24SVlad Buslov parse_attr->mirred_ifindex[attr->out_count] = 3787b6a4ac24SVlad Buslov out_dev->ifindex; 3788b6a4ac24SVlad Buslov parse_attr->tun_info[attr->out_count] = dup_tun_info(info); 3789b6a4ac24SVlad Buslov if (!parse_attr->tun_info[attr->out_count]) 3790b6a4ac24SVlad Buslov return -ENOMEM; 3791b6a4ac24SVlad Buslov encap = false; 3792b6a4ac24SVlad Buslov attr->dests[attr->out_count].flags |= 3793b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 3794b6a4ac24SVlad Buslov attr->out_count++; 3795b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 3796b6a4ac24SVlad Buslov * handle encap 3797b6a4ac24SVlad Buslov */ 3798b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 37997ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 38007ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 3801fa833bd5SVlad Buslov struct net_device *uplink_upper; 38027ba58ba7SRabie Loulou 3803554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 3804554fe75cSDmytro Linkin out_dev, 3805554fe75cSDmytro Linkin ifindexes, 3806554fe75cSDmytro Linkin if_count, 3807554fe75cSDmytro Linkin extack)) 3808554fe75cSDmytro Linkin return -EOPNOTSUPP; 3809554fe75cSDmytro Linkin 3810554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 3811554fe75cSDmytro Linkin if_count++; 3812554fe75cSDmytro Linkin 3813fa833bd5SVlad Buslov rcu_read_lock(); 3814fa833bd5SVlad Buslov uplink_upper = 3815fa833bd5SVlad Buslov netdev_master_upper_dev_get_rcu(uplink_dev); 38167ba58ba7SRabie Loulou if (uplink_upper && 38177ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 38187ba58ba7SRabie Loulou uplink_upper == out_dev) 38197ba58ba7SRabie Loulou out_dev = uplink_dev; 3820fa833bd5SVlad Buslov rcu_read_unlock(); 38217ba58ba7SRabie Loulou 3822278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3823278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3824278748a9SEli Britstein &out_dev, 3825278748a9SEli Britstein &action); 3826278748a9SEli Britstein if (err) 3827278748a9SEli Britstein return err; 3828278748a9SEli Britstein } 3829f6dc1264SPaul Blakey 383035a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 383135a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 383235a605dbSEli Britstein &action); 383335a605dbSEli Britstein if (err) 383435a605dbSEli Britstein return err; 383535a605dbSEli Britstein } 3836278748a9SEli Britstein 3837613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 3838613f53feSEli Cohen if (err) 3839613f53feSEli Cohen return err; 3840ffec9702STonghao Zhang 3841f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3842f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3843f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 38444ccd83f4SRoi Dayan netdev_warn(priv->netdev, 38454ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 38464ccd83f4SRoi Dayan priv->netdev->name, 38474ccd83f4SRoi Dayan out_dev->name); 3848a0646c88SEli Britstein return -EOPNOTSUPP; 3849f6dc1264SPaul Blakey } 3850a0646c88SEli Britstein 385103a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 38521d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3853df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 3854df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 3855df65a573SEli Britstein attr->out_count++; 3856ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3857ef381359SOz Shlomo /* All mlx5 devices are called to configure 3858ef381359SOz Shlomo * high level device filters. Therefore, the 3859ef381359SOz Shlomo * *attempt* to install a filter on invalid 3860ef381359SOz Shlomo * eswitch should not trigger an explicit error 3861ef381359SOz Shlomo */ 3862ef381359SOz Shlomo return -EINVAL; 3863a54e20b4SHadar Hen Zion } else { 3864e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3865e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 38664ccd83f4SRoi Dayan netdev_warn(priv->netdev, 38674ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 38684ccd83f4SRoi Dayan priv->netdev->name, 38694ccd83f4SRoi Dayan out_dev->name); 3870a54e20b4SHadar Hen Zion return -EINVAL; 3871a54e20b4SHadar Hen Zion } 3872a54e20b4SHadar Hen Zion } 387373867881SPablo Neira Ayuso break; 387473867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 387573867881SPablo Neira Ayuso info = act->tunnel; 3876a54e20b4SHadar Hen Zion if (info) 3877a54e20b4SHadar Hen Zion encap = true; 3878a54e20b4SHadar Hen Zion else 3879a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 388003a9d11eSOr Gerlitz 388173867881SPablo Neira Ayuso break; 388273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 388373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 388476b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 388576b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 388676b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 388776b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 388876b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 388976b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 389076b496b1SEli Britstein act, parse_attr, hdrs, 389176b496b1SEli Britstein &action, extack); 389276b496b1SEli Britstein } else { 389373867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 389476b496b1SEli Britstein } 38951482bd3dSJianbo Liu if (err) 38961482bd3dSJianbo Liu return err; 38971482bd3dSJianbo Liu 3898e85e02baSEli Britstein attr->split_count = attr->out_count; 389973867881SPablo Neira Ayuso break; 3900bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3901bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3902bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3903bdc837eeSEli Britstein act, parse_attr, hdrs, 3904bdc837eeSEli Britstein &action, extack); 3905bdc837eeSEli Britstein if (err) 3906bdc837eeSEli Britstein return err; 3907bdc837eeSEli Britstein 3908bdc837eeSEli Britstein attr->split_count = attr->out_count; 3909bdc837eeSEli Britstein break; 391073867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 39110a7fcb78SPaul Blakey decap = true; 391273867881SPablo Neira Ayuso break; 39132fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 39142fbbc30dSEli Cohen err = mlx5_validate_goto_chain(esw, flow, act, action, 39152fbbc30dSEli Cohen extack); 39162fbbc30dSEli Cohen if (err) 39172fbbc30dSEli Cohen return err; 3918bf07aa73SPaul Blakey 3919e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 39202fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 392173867881SPablo Neira Ayuso break; 39224c3844d9SPaul Blakey case FLOW_ACTION_CT: 39234c3844d9SPaul Blakey err = mlx5_tc_ct_parse_action(priv, attr, act, extack); 39244c3844d9SPaul Blakey if (err) 39254c3844d9SPaul Blakey return err; 39264c3844d9SPaul Blakey 39274c3844d9SPaul Blakey flow_flag_set(flow, CT); 39284c3844d9SPaul Blakey break; 392973867881SPablo Neira Ayuso default: 39302cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 39312cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 393203a9d11eSOr Gerlitz } 393373867881SPablo Neira Ayuso } 3934bdd66ac0SOr Gerlitz 39350bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 39360bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 39370bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 39380bac1194SEli Britstein * tag rewrite. 39390bac1194SEli Britstein */ 39400bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 39410bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 39420bac1194SEli Britstein &action, extack); 39430bac1194SEli Britstein if (err) 39440bac1194SEli Britstein return err; 39450bac1194SEli Britstein } 39460bac1194SEli Britstein 3947c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3948c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 394984be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 395027c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3951c500c86bSPablo Neira Ayuso if (err) 3952c500c86bSPablo Neira Ayuso return err; 395327c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 395427c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 395527c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 395627c11b6bSEli Britstein */ 39576ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 395827c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 39596ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 396027c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 396127c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 396227c11b6bSEli Britstein attr->split_count = 0; 396327c11b6bSEli Britstein } 3964c500c86bSPablo Neira Ayuso } 3965c500c86bSPablo Neira Ayuso 39661cab1cd7SOr Gerlitz attr->action = action; 396773867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3968bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3969bdd66ac0SOr Gerlitz 3970e88afe75SOr Gerlitz if (attr->dest_chain) { 39710a7fcb78SPaul Blakey if (decap) { 39720a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 39730a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 39740a7fcb78SPaul Blakey * this tunnel id with this decap flow. 39750a7fcb78SPaul Blakey * 39760a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 39770a7fcb78SPaul Blakey * device. 39780a7fcb78SPaul Blakey */ 39790a7fcb78SPaul Blakey 39800a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 39810a7fcb78SPaul Blakey "Decap with goto isn't supported"); 39820a7fcb78SPaul Blakey netdev_warn(priv->netdev, 39830a7fcb78SPaul Blakey "Decap with goto isn't supported"); 39840a7fcb78SPaul Blakey return -EOPNOTSUPP; 39850a7fcb78SPaul Blakey } 39860a7fcb78SPaul Blakey 3987e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 398861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 398961644c3dSRoi Dayan "Mirroring goto chain rules isn't supported"); 3990e88afe75SOr Gerlitz return -EOPNOTSUPP; 3991e88afe75SOr Gerlitz } 3992e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3993e88afe75SOr Gerlitz } 3994e88afe75SOr Gerlitz 3995ae2741e2SVlad Buslov if (!(attr->action & 3996ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 399761644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 399861644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 3999ae2741e2SVlad Buslov return -EOPNOTSUPP; 4000ae2741e2SVlad Buslov } 4001ae2741e2SVlad Buslov 4002e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4003e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4004e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4005592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4006592d3651SChris Mi return -EOPNOTSUPP; 4007592d3651SChris Mi } 4008592d3651SChris Mi 400931c8eba5SOr Gerlitz return 0; 401003a9d11eSOr Gerlitz } 401103a9d11eSOr Gerlitz 4012226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 401360bd4af8SOr Gerlitz { 4014226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 401560bd4af8SOr Gerlitz 4016226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4017226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4018226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4019226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 402060bd4af8SOr Gerlitz 4021226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4022226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4023226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4024226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 402584179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 402684179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4027d9ee0491SOr Gerlitz 402860bd4af8SOr Gerlitz *flow_flags = __flow_flags; 402960bd4af8SOr Gerlitz } 403060bd4af8SOr Gerlitz 403105866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 403205866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 403305866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 403405866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 403505866c82SOr Gerlitz .automatic_shrinking = true, 403605866c82SOr Gerlitz }; 403705866c82SOr Gerlitz 4038226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4039226f2ca3SVlad Buslov unsigned long flags) 404005866c82SOr Gerlitz { 4041655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4042655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4043655dc3d2SOr Gerlitz 4044226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4045655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4046ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4047d9ee0491SOr Gerlitz } else /* NIC offload */ 404805866c82SOr Gerlitz return &priv->fs.tc.ht; 404905866c82SOr Gerlitz } 405005866c82SOr Gerlitz 405104de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 405204de7ddaSRoi Dayan { 40531418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 4054b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 4055226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 40561418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 40571418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 40581418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 40591418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 40601418ddd9SAviv Heller 406110fbb1cdSRoi Dayan if (!esw_paired) 406210fbb1cdSRoi Dayan return false; 406310fbb1cdSRoi Dayan 406410fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 406510fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 406610fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 406710fbb1cdSRoi Dayan return true; 406810fbb1cdSRoi Dayan 406910fbb1cdSRoi Dayan return false; 407004de7ddaSRoi Dayan } 407104de7ddaSRoi Dayan 4072a88780a9SRoi Dayan static int 4073a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4074226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4075a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4076a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4077e3a2b7edSAmir Vadai { 407817091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 40793bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 40805a7e5bcbSVlad Buslov int out_index, err; 4081776b12b6SOr Gerlitz 408265ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 40831b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 408417091853SOr Gerlitz if (!parse_attr || !flow) { 4085e3a2b7edSAmir Vadai err = -ENOMEM; 4086e3a2b7edSAmir Vadai goto err_free; 4087e3a2b7edSAmir Vadai } 4088e3a2b7edSAmir Vadai 4089e3a2b7edSAmir Vadai flow->cookie = f->cookie; 409065ba8fb7SOr Gerlitz flow->flags = flow_flags; 4091655dc3d2SOr Gerlitz flow->priv = priv; 40925a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 40935a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 40945a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 40955a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 40965a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 409795435ad7SVlad Buslov init_completion(&flow->init_done); 4098e3a2b7edSAmir Vadai 4099a88780a9SRoi Dayan *__flow = flow; 4100a88780a9SRoi Dayan *__parse_attr = parse_attr; 4101a88780a9SRoi Dayan 4102a88780a9SRoi Dayan return 0; 4103a88780a9SRoi Dayan 4104a88780a9SRoi Dayan err_free: 4105a88780a9SRoi Dayan kfree(flow); 4106a88780a9SRoi Dayan kvfree(parse_attr); 4107a88780a9SRoi Dayan return err; 4108adb4c123SOr Gerlitz } 4109adb4c123SOr Gerlitz 4110988ab9c7STonghao Zhang static void 4111988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 4112988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4113988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4114f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4115988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4116988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4117988ab9c7STonghao Zhang { 4118988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4119988ab9c7STonghao Zhang 4120988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 4121988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 4122ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 4123988ab9c7STonghao Zhang 4124988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4125988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4126988ab9c7STonghao Zhang 4127988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4128988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4129988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4130988ab9c7STonghao Zhang else 4131988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4132988ab9c7STonghao Zhang } 4133988ab9c7STonghao Zhang 413471129676SJason Gunthorpe static struct mlx5e_tc_flow * 413504de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4136f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4137226f2ca3SVlad Buslov unsigned long flow_flags, 4138d11afc26SOz Shlomo struct net_device *filter_dev, 413904de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 414071129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4141a88780a9SRoi Dayan { 4142f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4143a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4144a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4145a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4146a88780a9SRoi Dayan int attr_size, err; 4147a88780a9SRoi Dayan 4148226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4149a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4150a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4151a88780a9SRoi Dayan &parse_attr, &flow); 4152a88780a9SRoi Dayan if (err) 4153a88780a9SRoi Dayan goto out; 4154988ab9c7STonghao Zhang 4155d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4156988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 4157988ab9c7STonghao Zhang priv, parse_attr, 4158988ab9c7STonghao Zhang f, in_rep, in_mdev); 4159988ab9c7STonghao Zhang 416054c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 416154c177caSOz Shlomo f, filter_dev); 4162d11afc26SOz Shlomo if (err) 4163d11afc26SOz Shlomo goto err_free; 4164a88780a9SRoi Dayan 41656f9af8ffSTonghao Zhang err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 4166a88780a9SRoi Dayan if (err) 4167a88780a9SRoi Dayan goto err_free; 4168a88780a9SRoi Dayan 41694c3844d9SPaul Blakey err = mlx5_tc_ct_parse_match(priv, &parse_attr->spec, f, extack); 41704c3844d9SPaul Blakey if (err) 41714c3844d9SPaul Blakey goto err_free; 41724c3844d9SPaul Blakey 41737040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 417495435ad7SVlad Buslov complete_all(&flow->init_done); 4175ef06c9eeSRoi Dayan if (err) { 4176ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4177aa0cbbaeSOr Gerlitz goto err_free; 41785c40348cSOr Gerlitz 4179b4a23329SRoi Dayan add_unready_flow(flow); 4180ef06c9eeSRoi Dayan } 4181ef06c9eeSRoi Dayan 418271129676SJason Gunthorpe return flow; 4183e3a2b7edSAmir Vadai 4184e3a2b7edSAmir Vadai err_free: 41855a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4186a88780a9SRoi Dayan out: 418771129676SJason Gunthorpe return ERR_PTR(err); 4188a88780a9SRoi Dayan } 4189a88780a9SRoi Dayan 4190f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 419195dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4192226f2ca3SVlad Buslov unsigned long flow_flags) 419304de7ddaSRoi Dayan { 419404de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 419504de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 419604de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 419704de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 419804de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 419904de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 420004de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 420104de7ddaSRoi Dayan int err = 0; 420204de7ddaSRoi Dayan 420304de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 420404de7ddaSRoi Dayan if (!peer_esw) 420504de7ddaSRoi Dayan return -ENODEV; 420604de7ddaSRoi Dayan 420704de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 420804de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 420904de7ddaSRoi Dayan 421004de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 421104de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 421204de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 421304de7ddaSRoi Dayan * peer mdev. 421404de7ddaSRoi Dayan */ 4215b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 421604de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 421704de7ddaSRoi Dayan else 421804de7ddaSRoi Dayan in_mdev = priv->mdev; 421904de7ddaSRoi Dayan 422004de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 422195dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 422204de7ddaSRoi Dayan parse_attr->filter_dev, 422371129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 422471129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 422571129676SJason Gunthorpe err = PTR_ERR(peer_flow); 422604de7ddaSRoi Dayan goto out; 422771129676SJason Gunthorpe } 422804de7ddaSRoi Dayan 422904de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4230226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 423104de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 423204de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 423304de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 423404de7ddaSRoi Dayan 423504de7ddaSRoi Dayan out: 423604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 423704de7ddaSRoi Dayan return err; 423804de7ddaSRoi Dayan } 423904de7ddaSRoi Dayan 424004de7ddaSRoi Dayan static int 424104de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4242f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4243226f2ca3SVlad Buslov unsigned long flow_flags, 424404de7ddaSRoi Dayan struct net_device *filter_dev, 424504de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 424604de7ddaSRoi Dayan { 424704de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 424804de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 424904de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 425004de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 425104de7ddaSRoi Dayan int err; 425204de7ddaSRoi Dayan 425371129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 425471129676SJason Gunthorpe in_mdev); 425571129676SJason Gunthorpe if (IS_ERR(flow)) 425671129676SJason Gunthorpe return PTR_ERR(flow); 425704de7ddaSRoi Dayan 425804de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 425995dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 426004de7ddaSRoi Dayan if (err) { 426104de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 426204de7ddaSRoi Dayan goto out; 426304de7ddaSRoi Dayan } 426404de7ddaSRoi Dayan } 426504de7ddaSRoi Dayan 426604de7ddaSRoi Dayan *__flow = flow; 426704de7ddaSRoi Dayan 426804de7ddaSRoi Dayan return 0; 426904de7ddaSRoi Dayan 427004de7ddaSRoi Dayan out: 427104de7ddaSRoi Dayan return err; 427204de7ddaSRoi Dayan } 427304de7ddaSRoi Dayan 4274a88780a9SRoi Dayan static int 4275a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4276f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4277226f2ca3SVlad Buslov unsigned long flow_flags, 4278d11afc26SOz Shlomo struct net_device *filter_dev, 4279a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4280a88780a9SRoi Dayan { 4281f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4282a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4283a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4284a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4285a88780a9SRoi Dayan int attr_size, err; 4286a88780a9SRoi Dayan 4287bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 4288bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4289bf07aa73SPaul Blakey return -EOPNOTSUPP; 4290bf07aa73SPaul Blakey 4291226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4292a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4293a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4294a88780a9SRoi Dayan &parse_attr, &flow); 4295a88780a9SRoi Dayan if (err) 4296a88780a9SRoi Dayan goto out; 4297a88780a9SRoi Dayan 4298d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 429954c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 430054c177caSOz Shlomo f, filter_dev); 4301d11afc26SOz Shlomo if (err) 4302d11afc26SOz Shlomo goto err_free; 4303d11afc26SOz Shlomo 430473867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4305a88780a9SRoi Dayan if (err) 4306a88780a9SRoi Dayan goto err_free; 4307a88780a9SRoi Dayan 4308a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4309a88780a9SRoi Dayan if (err) 4310a88780a9SRoi Dayan goto err_free; 4311a88780a9SRoi Dayan 4312226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4313a88780a9SRoi Dayan kvfree(parse_attr); 4314a88780a9SRoi Dayan *__flow = flow; 4315a88780a9SRoi Dayan 4316a88780a9SRoi Dayan return 0; 4317a88780a9SRoi Dayan 4318a88780a9SRoi Dayan err_free: 43195a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4320a88780a9SRoi Dayan kvfree(parse_attr); 4321a88780a9SRoi Dayan out: 4322a88780a9SRoi Dayan return err; 4323a88780a9SRoi Dayan } 4324a88780a9SRoi Dayan 4325a88780a9SRoi Dayan static int 4326a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4327f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4328226f2ca3SVlad Buslov unsigned long flags, 4329d11afc26SOz Shlomo struct net_device *filter_dev, 4330a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4331a88780a9SRoi Dayan { 4332a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4333226f2ca3SVlad Buslov unsigned long flow_flags; 4334a88780a9SRoi Dayan int err; 4335a88780a9SRoi Dayan 4336a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4337a88780a9SRoi Dayan 4338bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4339bf07aa73SPaul Blakey return -EOPNOTSUPP; 4340bf07aa73SPaul Blakey 4341f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4342d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4343d11afc26SOz Shlomo filter_dev, flow); 4344a88780a9SRoi Dayan else 4345d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4346d11afc26SOz Shlomo filter_dev, flow); 4347a88780a9SRoi Dayan 4348a88780a9SRoi Dayan return err; 4349a88780a9SRoi Dayan } 4350a88780a9SRoi Dayan 435171d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4352226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4353a88780a9SRoi Dayan { 4354a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4355d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4356a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4357a88780a9SRoi Dayan int err = 0; 4358a88780a9SRoi Dayan 4359c5d326b2SVlad Buslov rcu_read_lock(); 4360c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4361c5d326b2SVlad Buslov rcu_read_unlock(); 4362a88780a9SRoi Dayan if (flow) { 4363a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4364a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4365a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4366a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4367a88780a9SRoi Dayan f->cookie); 43680e1c1a2fSVlad Buslov err = -EEXIST; 4369a88780a9SRoi Dayan goto out; 4370a88780a9SRoi Dayan } 4371a88780a9SRoi Dayan 43727a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4373d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4374a88780a9SRoi Dayan if (err) 4375a88780a9SRoi Dayan goto out; 4376a88780a9SRoi Dayan 4377c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4378a88780a9SRoi Dayan if (err) 4379a88780a9SRoi Dayan goto err_free; 4380a88780a9SRoi Dayan 4381a88780a9SRoi Dayan return 0; 4382a88780a9SRoi Dayan 4383a88780a9SRoi Dayan err_free: 43845a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4385a88780a9SRoi Dayan out: 4386e3a2b7edSAmir Vadai return err; 4387e3a2b7edSAmir Vadai } 4388e3a2b7edSAmir Vadai 43898f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 43908f8ae895SOr Gerlitz { 4391226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4392226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 43938f8ae895SOr Gerlitz 4394226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4395226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 43968f8ae895SOr Gerlitz } 43978f8ae895SOr Gerlitz 439871d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4399226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4400e3a2b7edSAmir Vadai { 4401d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4402e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4403c5d326b2SVlad Buslov int err; 4404e3a2b7edSAmir Vadai 4405c5d326b2SVlad Buslov rcu_read_lock(); 4406ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4407c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4408c5d326b2SVlad Buslov err = -EINVAL; 4409c5d326b2SVlad Buslov goto errout; 4410c5d326b2SVlad Buslov } 4411e3a2b7edSAmir Vadai 4412c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4413c5d326b2SVlad Buslov * set. 4414c5d326b2SVlad Buslov */ 4415c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4416c5d326b2SVlad Buslov err = -EINVAL; 4417c5d326b2SVlad Buslov goto errout; 4418c5d326b2SVlad Buslov } 441905866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4420c5d326b2SVlad Buslov rcu_read_unlock(); 4421e3a2b7edSAmir Vadai 44227a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 44235a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4424e3a2b7edSAmir Vadai 4425e3a2b7edSAmir Vadai return 0; 4426c5d326b2SVlad Buslov 4427c5d326b2SVlad Buslov errout: 4428c5d326b2SVlad Buslov rcu_read_unlock(); 4429c5d326b2SVlad Buslov return err; 4430e3a2b7edSAmir Vadai } 4431e3a2b7edSAmir Vadai 443271d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4433226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4434aad7e08dSAmir Vadai { 443504de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4436d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 443704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4438aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4439aad7e08dSAmir Vadai struct mlx5_fc *counter; 4440316d5f72SRoi Dayan u64 lastuse = 0; 4441316d5f72SRoi Dayan u64 packets = 0; 4442316d5f72SRoi Dayan u64 bytes = 0; 44435a7e5bcbSVlad Buslov int err = 0; 4444aad7e08dSAmir Vadai 4445c5d326b2SVlad Buslov rcu_read_lock(); 4446c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 44475a7e5bcbSVlad Buslov tc_ht_params)); 4448c5d326b2SVlad Buslov rcu_read_unlock(); 44495a7e5bcbSVlad Buslov if (IS_ERR(flow)) 44505a7e5bcbSVlad Buslov return PTR_ERR(flow); 44515a7e5bcbSVlad Buslov 44525a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 44535a7e5bcbSVlad Buslov err = -EINVAL; 44545a7e5bcbSVlad Buslov goto errout; 44555a7e5bcbSVlad Buslov } 4456aad7e08dSAmir Vadai 44574c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4458b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4459aad7e08dSAmir Vadai if (!counter) 44605a7e5bcbSVlad Buslov goto errout; 4461aad7e08dSAmir Vadai 4462aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4463316d5f72SRoi Dayan } 4464aad7e08dSAmir Vadai 4465316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4466316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4467316d5f72SRoi Dayan */ 446804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 446904de7ddaSRoi Dayan if (!peer_esw) 447004de7ddaSRoi Dayan goto out; 447104de7ddaSRoi Dayan 4472226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4473226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 447404de7ddaSRoi Dayan u64 bytes2; 447504de7ddaSRoi Dayan u64 packets2; 447604de7ddaSRoi Dayan u64 lastuse2; 447704de7ddaSRoi Dayan 447804de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4479316d5f72SRoi Dayan if (!counter) 4480316d5f72SRoi Dayan goto no_peer_counter; 448104de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 448204de7ddaSRoi Dayan 448304de7ddaSRoi Dayan bytes += bytes2; 448404de7ddaSRoi Dayan packets += packets2; 448504de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 448604de7ddaSRoi Dayan } 448704de7ddaSRoi Dayan 4488316d5f72SRoi Dayan no_peer_counter: 448904de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 449004de7ddaSRoi Dayan out: 449193a129ebSJiri Pirko flow_stats_update(&f->stats, bytes, packets, lastuse, 449293a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 44937a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 44945a7e5bcbSVlad Buslov errout: 44955a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 44965a7e5bcbSVlad Buslov return err; 4497aad7e08dSAmir Vadai } 4498aad7e08dSAmir Vadai 4499fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 4500fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4501fcb64c0fSEli Cohen { 4502fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4503fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 4504fcb64c0fSEli Cohen u16 vport_num; 4505fcb64c0fSEli Cohen u32 rate_mbps; 4506fcb64c0fSEli Cohen int err; 4507fcb64c0fSEli Cohen 4508e401a184SEli Cohen vport_num = rpriv->rep->vport; 4509e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4510e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4511e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4512e401a184SEli Cohen return -EOPNOTSUPP; 4513e401a184SEli Cohen } 4514e401a184SEli Cohen 4515fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4516fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4517fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4518fcb64c0fSEli Cohen * mbit means million bits. 4519fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4520fcb64c0fSEli Cohen * 1 mbit/sec. 4521fcb64c0fSEli Cohen */ 4522fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 4523fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4524fcb64c0fSEli Cohen if (err) 4525fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4526fcb64c0fSEli Cohen 4527fcb64c0fSEli Cohen return err; 4528fcb64c0fSEli Cohen } 4529fcb64c0fSEli Cohen 4530fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4531fcb64c0fSEli Cohen struct flow_action *flow_action, 4532fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4533fcb64c0fSEli Cohen { 4534fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4535fcb64c0fSEli Cohen const struct flow_action_entry *act; 4536fcb64c0fSEli Cohen int err; 4537fcb64c0fSEli Cohen int i; 4538fcb64c0fSEli Cohen 4539fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4540fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4541fcb64c0fSEli Cohen return -EINVAL; 4542fcb64c0fSEli Cohen } 4543fcb64c0fSEli Cohen 4544fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4545fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4546fcb64c0fSEli Cohen return -EOPNOTSUPP; 4547fcb64c0fSEli Cohen } 4548fcb64c0fSEli Cohen 454953eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 4550319a1d19SJiri Pirko return -EOPNOTSUPP; 4551319a1d19SJiri Pirko 4552fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4553fcb64c0fSEli Cohen switch (act->id) { 4554fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 4555fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4556fcb64c0fSEli Cohen if (err) 4557fcb64c0fSEli Cohen return err; 4558fcb64c0fSEli Cohen 4559fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4560fcb64c0fSEli Cohen break; 4561fcb64c0fSEli Cohen default: 4562fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4563fcb64c0fSEli Cohen return -EOPNOTSUPP; 4564fcb64c0fSEli Cohen } 4565fcb64c0fSEli Cohen } 4566fcb64c0fSEli Cohen 4567fcb64c0fSEli Cohen return 0; 4568fcb64c0fSEli Cohen } 4569fcb64c0fSEli Cohen 4570fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4571fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4572fcb64c0fSEli Cohen { 4573b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4574fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4575fcb64c0fSEli Cohen 4576b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 4577b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 4578b5f814ccSEli Cohen return -EOPNOTSUPP; 4579b5f814ccSEli Cohen } 4580b5f814ccSEli Cohen 45817b83355fSEli Cohen if (ma->common.prio != 1) { 4582fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4583fcb64c0fSEli Cohen return -EINVAL; 4584fcb64c0fSEli Cohen } 4585fcb64c0fSEli Cohen 4586fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4587fcb64c0fSEli Cohen } 4588fcb64c0fSEli Cohen 4589fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4590fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4591fcb64c0fSEli Cohen { 4592fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4593fcb64c0fSEli Cohen 4594fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4595fcb64c0fSEli Cohen } 4596fcb64c0fSEli Cohen 4597fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4598fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4599fcb64c0fSEli Cohen { 4600fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4601fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4602fcb64c0fSEli Cohen u64 dbytes; 4603fcb64c0fSEli Cohen u64 dpkts; 4604fcb64c0fSEli Cohen 4605fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4606fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4607fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4608fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 460993a129ebSJiri Pirko flow_stats_update(&ma->stats, dpkts, dbytes, jiffies, 461093a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4611fcb64c0fSEli Cohen } 4612fcb64c0fSEli Cohen 46134d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 46144d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 46154d8fcf21SAlaa Hleihel { 46164d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4617db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4618db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 46194d8fcf21SAlaa Hleihel u16 peer_vhca_id; 46204d8fcf21SAlaa Hleihel int bkt; 46214d8fcf21SAlaa Hleihel 46224d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 46234d8fcf21SAlaa Hleihel return; 46244d8fcf21SAlaa Hleihel 46254d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 46264d8fcf21SAlaa Hleihel 4627b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4628db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4629db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4630db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4631b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4632db76ca24SVlad Buslov 4633db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4634db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4635db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4636db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4637db76ca24SVlad Buslov 4638db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4639db76ca24SVlad Buslov } 46404d8fcf21SAlaa Hleihel } 46414d8fcf21SAlaa Hleihel 46424d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 46434d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 46444d8fcf21SAlaa Hleihel { 46454d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 46464d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 46474d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 46484d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 46494d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 46504d8fcf21SAlaa Hleihel 46514d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 46524d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 46534d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 46544d8fcf21SAlaa Hleihel return NOTIFY_DONE; 46554d8fcf21SAlaa Hleihel 46564d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 46574d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 46584d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 46594d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 46604d8fcf21SAlaa Hleihel if (priv == peer_priv || 46614d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 46624d8fcf21SAlaa Hleihel return NOTIFY_DONE; 46634d8fcf21SAlaa Hleihel 46644d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 46654d8fcf21SAlaa Hleihel 46664d8fcf21SAlaa Hleihel return NOTIFY_DONE; 46674d8fcf21SAlaa Hleihel } 46684d8fcf21SAlaa Hleihel 4669655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4670e8f887acSAmir Vadai { 4671acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 46724d8fcf21SAlaa Hleihel int err; 4673e8f887acSAmir Vadai 4674b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4675d2faae25SVlad Buslov mutex_init(&tc->mod_hdr.lock); 4676dd58edc3SVlad Buslov hash_init(tc->mod_hdr.hlist); 4677b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 46785c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 467911c9c548SOr Gerlitz 46804d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 46814d8fcf21SAlaa Hleihel if (err) 46824d8fcf21SAlaa Hleihel return err; 46834d8fcf21SAlaa Hleihel 46844d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4685d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4686d48834f9SJiri Pirko &tc->netdevice_nb, 4687d48834f9SJiri Pirko &tc->netdevice_nn); 4688d48834f9SJiri Pirko if (err) { 46894d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 46904d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 46914d8fcf21SAlaa Hleihel } 46924d8fcf21SAlaa Hleihel 46934d8fcf21SAlaa Hleihel return err; 4694e8f887acSAmir Vadai } 4695e8f887acSAmir Vadai 4696e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4697e8f887acSAmir Vadai { 4698e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4699655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4700e8f887acSAmir Vadai 4701961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4702e8f887acSAmir Vadai kfree(flow); 4703e8f887acSAmir Vadai } 4704e8f887acSAmir Vadai 4705655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4706e8f887acSAmir Vadai { 4707acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4708e8f887acSAmir Vadai 47094d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4710d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4711d48834f9SJiri Pirko &tc->netdevice_nb, 4712d48834f9SJiri Pirko &tc->netdevice_nn); 47134d8fcf21SAlaa Hleihel 4714d2faae25SVlad Buslov mutex_destroy(&tc->mod_hdr.lock); 4715b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4716b32accdaSVlad Buslov 4717d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4718e8f887acSAmir Vadai 4719acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4720acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4721acff797cSMaor Gottlieb tc->t = NULL; 4722e8f887acSAmir Vadai } 4723b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4724e8f887acSAmir Vadai } 4725655dc3d2SOr Gerlitz 4726655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4727655dc3d2SOr Gerlitz { 4728d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 47290a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 47300a7fcb78SPaul Blakey struct mlx5e_rep_priv *priv; 47310a7fcb78SPaul Blakey struct mapping_ctx *mapping; 47320a7fcb78SPaul Blakey int err; 47330a7fcb78SPaul Blakey 47340a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 47350a7fcb78SPaul Blakey priv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 47360a7fcb78SPaul Blakey 47374c3844d9SPaul Blakey err = mlx5_tc_ct_init(uplink_priv); 47384c3844d9SPaul Blakey if (err) 47394c3844d9SPaul Blakey goto err_ct; 47404c3844d9SPaul Blakey 47410a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 47420a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 47430a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 47440a7fcb78SPaul Blakey err = PTR_ERR(mapping); 47450a7fcb78SPaul Blakey goto err_tun_mapping; 47460a7fcb78SPaul Blakey } 47470a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 47480a7fcb78SPaul Blakey 47490a7fcb78SPaul Blakey mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK, true); 47500a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 47510a7fcb78SPaul Blakey err = PTR_ERR(mapping); 47520a7fcb78SPaul Blakey goto err_enc_opts_mapping; 47530a7fcb78SPaul Blakey } 47540a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 47550a7fcb78SPaul Blakey 47560a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 47570a7fcb78SPaul Blakey if (err) 47580a7fcb78SPaul Blakey goto err_ht_init; 47590a7fcb78SPaul Blakey 47600a7fcb78SPaul Blakey return err; 47610a7fcb78SPaul Blakey 47620a7fcb78SPaul Blakey err_ht_init: 47630a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 47640a7fcb78SPaul Blakey err_enc_opts_mapping: 47650a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 47660a7fcb78SPaul Blakey err_tun_mapping: 47674c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 47684c3844d9SPaul Blakey err_ct: 47690a7fcb78SPaul Blakey netdev_warn(priv->netdev, 47700a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 47710a7fcb78SPaul Blakey return err; 4772655dc3d2SOr Gerlitz } 4773655dc3d2SOr Gerlitz 4774655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4775655dc3d2SOr Gerlitz { 47760a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 47770a7fcb78SPaul Blakey 4778655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 47790a7fcb78SPaul Blakey 47800a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 47810a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 47820a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 47834c3844d9SPaul Blakey 47844c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 4785655dc3d2SOr Gerlitz } 478601252a27SOr Gerlitz 4787226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 478801252a27SOr Gerlitz { 4789d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 479001252a27SOr Gerlitz 479101252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 479201252a27SOr Gerlitz } 479304de7ddaSRoi Dayan 479404de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 479504de7ddaSRoi Dayan { 479604de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 479704de7ddaSRoi Dayan 479804de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 479904de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 480004de7ddaSRoi Dayan } 4801b4a23329SRoi Dayan 4802b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4803b4a23329SRoi Dayan { 4804b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4805b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4806b4a23329SRoi Dayan reoffload_flows_work); 4807b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4808b4a23329SRoi Dayan 4809ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4810b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4811b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4812ad86755bSVlad Buslov unready_flow_del(flow); 4813b4a23329SRoi Dayan } 4814ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4815b4a23329SRoi Dayan } 4816e2394a61SVlad Buslov 4817e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 4818e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 4819e2394a61SVlad Buslov unsigned long flags) 4820e2394a61SVlad Buslov { 4821e2394a61SVlad Buslov switch (cls_flower->command) { 4822e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 4823e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 4824e2394a61SVlad Buslov flags); 4825e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 4826e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 4827e2394a61SVlad Buslov flags); 4828e2394a61SVlad Buslov case FLOW_CLS_STATS: 4829e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 4830e2394a61SVlad Buslov flags); 4831e2394a61SVlad Buslov default: 4832e2394a61SVlad Buslov return -EOPNOTSUPP; 4833e2394a61SVlad Buslov } 4834e2394a61SVlad Buslov } 4835e2394a61SVlad Buslov 4836e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 4837e2394a61SVlad Buslov void *cb_priv) 4838e2394a61SVlad Buslov { 4839e2394a61SVlad Buslov unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD); 4840e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 4841e2394a61SVlad Buslov 4842e2394a61SVlad Buslov switch (type) { 4843e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 4844e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 4845e2394a61SVlad Buslov default: 4846e2394a61SVlad Buslov return -EOPNOTSUPP; 4847e2394a61SVlad Buslov } 4848e2394a61SVlad Buslov } 4849