1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 34e2394a61SVlad Buslov #include <net/flow_offload.h> 353f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 36e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 37e3a2b7edSAmir Vadai #include <net/tc_act/tc_gact.h> 3812185a9fSAmir Vadai #include <net/tc_act/tc_skbedit.h> 39e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 40e8f887acSAmir Vadai #include <linux/mlx5/device.h> 41e8f887acSAmir Vadai #include <linux/rhashtable.h> 425a7e5bcbSVlad Buslov #include <linux/refcount.h> 43db76ca24SVlad Buslov #include <linux/completion.h> 4403a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 45776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 46bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 47d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4826c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 4914e6b038SEli Cohen #include <net/tc_act/tc_mpls.h> 50f6dfb4c3SHadar Hen Zion #include <net/arp.h> 513616d08bSDavid Ahern #include <net/ipv6_stubs.h> 52f828ca6aSEli Cohen #include <net/bareudp.h> 53e8f887acSAmir Vadai #include "en.h" 541d447a39SSaeed Mahameed #include "en_rep.h" 55768c3667SVlad Buslov #include "en/rep/tc.h" 56e2394a61SVlad Buslov #include "en/rep/neigh.h" 57232c0013SHadar Hen Zion #include "en_tc.h" 5803a9d11eSOr Gerlitz #include "eswitch.h" 5949964352SSaeed Mahameed #include "esw/chains.h" 603f6d08d1SOr Gerlitz #include "fs_core.h" 612c81bfd5SHuy Nguyen #include "en/port.h" 62101f4de9SOz Shlomo #include "en/tc_tun.h" 630a7fcb78SPaul Blakey #include "en/mapping.h" 644c3844d9SPaul Blakey #include "en/tc_ct.h" 6504de7ddaSRoi Dayan #include "lib/devcom.h" 669272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 677a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 68e8f887acSAmir Vadai 69d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 700a7fcb78SPaul Blakey 713bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 723bc4b7bfSOr Gerlitz u32 action; 733bc4b7bfSOr Gerlitz u32 flow_tag; 742b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 755c65c564SOr Gerlitz u32 hairpin_tirn; 7638aa51c1SOr Gerlitz u8 match_level; 773f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 78b8aee822SMark Bloch struct mlx5_fc *counter; 793bc4b7bfSOr Gerlitz }; 803bc4b7bfSOr Gerlitz 81226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 8260bd4af8SOr Gerlitz 8365ba8fb7SOr Gerlitz enum { 84226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 85226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 86226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 8784179981SPaul Blakey MLX5E_TC_FLOW_FLAG_FT = MLX5E_TC_FLAG_FT_OFFLOAD_BIT, 88226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 89226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 90226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 91226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 92226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 93226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 94226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 95c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 964c3844d9SPaul Blakey MLX5E_TC_FLOW_FLAG_CT = MLX5E_TC_FLOW_BASE + 7, 9714e6b038SEli Cohen MLX5E_TC_FLOW_FLAG_L3_TO_L2_DECAP = MLX5E_TC_FLOW_BASE + 8, 9865ba8fb7SOr Gerlitz }; 9965ba8fb7SOr Gerlitz 100e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 101e4ad91f2SChris Mi 10279baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 10379baaec7SEli Britstein * Containing struct 10479baaec7SEli Britstein * |- Helper array 10579baaec7SEli Britstein * [0] Helper item 0 10679baaec7SEli Britstein * |- list_head item 0 10779baaec7SEli Britstein * |- index (0) 10879baaec7SEli Britstein * [1] Helper item 1 10979baaec7SEli Britstein * |- list_head item 1 11079baaec7SEli Britstein * |- index (1) 11179baaec7SEli Britstein * To access the containing struct from one of the list_head items: 11279baaec7SEli Britstein * 1. Get the helper item from the list_head item using 11379baaec7SEli Britstein * helper item = 11479baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 11579baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 11679baaec7SEli Britstein * containing struct = 11779baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 11879baaec7SEli Britstein */ 11979baaec7SEli Britstein struct encap_flow_item { 120948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 12179baaec7SEli Britstein struct list_head list; 12279baaec7SEli Britstein int index; 12379baaec7SEli Britstein }; 12479baaec7SEli Britstein 125e8f887acSAmir Vadai struct mlx5e_tc_flow { 126e8f887acSAmir Vadai struct rhash_head node; 127655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 128e8f887acSAmir Vadai u64 cookie; 129226f2ca3SVlad Buslov unsigned long flags; 130e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 13114e6b038SEli Cohen 13214e6b038SEli Cohen /* flows sharing the same reformat object - currently mpls decap */ 13314e6b038SEli Cohen struct list_head l3_to_l2_reformat; 13414e6b038SEli Cohen struct mlx5e_decap_entry *decap_reformat; 13514e6b038SEli Cohen 13679baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 13779baaec7SEli Britstein * The number of encaps is bounded by the number of supported 13879baaec7SEli Britstein * destinations. 13979baaec7SEli Britstein */ 14079baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 14104de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 142dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh; /* attached mod header instance */ 14311c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 144e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1455c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 14604de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 147b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 1482a1f1768SVlad Buslov int tmp_efi_index; 1496a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1505a7e5bcbSVlad Buslov refcount_t refcnt; 151c5d326b2SVlad Buslov struct rcu_head rcu_head; 15295435ad7SVlad Buslov struct completion init_done; 1530a7fcb78SPaul Blakey int tunnel_id; /* the mapped tunnel id of this flow */ 1540a7fcb78SPaul Blakey 1553bc4b7bfSOr Gerlitz union { 156ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1573bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1583bc4b7bfSOr Gerlitz }; 159e8f887acSAmir Vadai }; 160e8f887acSAmir Vadai 16117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1621f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 163d11afc26SOz Shlomo struct net_device *filter_dev; 16417091853SOr Gerlitz struct mlx5_flow_spec spec; 1656ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_hdr_acts; 16698b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 16714e6b038SEli Cohen struct ethhdr eth; 16817091853SOr Gerlitz }; 16917091853SOr Gerlitz 170acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 171b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 172e8f887acSAmir Vadai 1738f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 1748f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1758f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1768f1e0b97SPaul Blakey .moffset = 0, 1778f1e0b97SPaul Blakey .mlen = 2, 1788f1e0b97SPaul Blakey }, 1790a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1800a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 1810a7fcb78SPaul Blakey .moffset = 3, 1820a7fcb78SPaul Blakey .mlen = 1, 1830a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1840a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1850a7fcb78SPaul Blakey }, 1864c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 1874c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1884c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1894c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1904c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 1915c6b9460SPaul Blakey [TUPLEID_TO_REG] = tupleid_to_reg_ct, 1928f1e0b97SPaul Blakey }; 1938f1e0b97SPaul Blakey 1940a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1950a7fcb78SPaul Blakey 1960a7fcb78SPaul Blakey void 1970a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1980a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1990a7fcb78SPaul Blakey u32 data, 2000a7fcb78SPaul Blakey u32 mask) 2010a7fcb78SPaul Blakey { 2020a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2030a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2040a7fcb78SPaul Blakey void *headers_c = spec->match_criteria; 2050a7fcb78SPaul Blakey void *headers_v = spec->match_value; 2060a7fcb78SPaul Blakey void *fmask, *fval; 2070a7fcb78SPaul Blakey 2080a7fcb78SPaul Blakey fmask = headers_c + soffset; 2090a7fcb78SPaul Blakey fval = headers_v + soffset; 2100a7fcb78SPaul Blakey 2110a7fcb78SPaul Blakey mask = cpu_to_be32(mask) >> (32 - (match_len * 8)); 2120a7fcb78SPaul Blakey data = cpu_to_be32(data) >> (32 - (match_len * 8)); 2130a7fcb78SPaul Blakey 2140a7fcb78SPaul Blakey memcpy(fmask, &mask, match_len); 2150a7fcb78SPaul Blakey memcpy(fval, &data, match_len); 2160a7fcb78SPaul Blakey 2170a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2180a7fcb78SPaul Blakey } 2190a7fcb78SPaul Blakey 2200a7fcb78SPaul Blakey int 2210a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 2220a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 2230a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2240a7fcb78SPaul Blakey u32 data) 2250a7fcb78SPaul Blakey { 2260a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2270a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2280a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2290a7fcb78SPaul Blakey char *modact; 2300a7fcb78SPaul Blakey int err; 2310a7fcb78SPaul Blakey 2320a7fcb78SPaul Blakey err = alloc_mod_hdr_actions(mdev, MLX5_FLOW_NAMESPACE_FDB, 2330a7fcb78SPaul Blakey mod_hdr_acts); 2340a7fcb78SPaul Blakey if (err) 2350a7fcb78SPaul Blakey return err; 2360a7fcb78SPaul Blakey 2370a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2380a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2390a7fcb78SPaul Blakey 2400a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 2410a7fcb78SPaul Blakey if (mlen == 4) 2420a7fcb78SPaul Blakey mlen = 0; 2430a7fcb78SPaul Blakey 2440a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2450a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 2460a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset * 8); 2470a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, length, mlen * 8); 2480a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 2490a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2500a7fcb78SPaul Blakey 2510a7fcb78SPaul Blakey return 0; 2520a7fcb78SPaul Blakey } 2530a7fcb78SPaul Blakey 25477ab67b7SOr Gerlitz struct mlx5e_hairpin { 25577ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 25677ab67b7SOr Gerlitz 25777ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 2583f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 25977ab67b7SOr Gerlitz u32 tdn; 26077ab67b7SOr Gerlitz u32 tirn; 2613f6d08d1SOr Gerlitz 2623f6d08d1SOr Gerlitz int num_channels; 2633f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 2643f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 2653f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 26677ab67b7SOr Gerlitz }; 26777ab67b7SOr Gerlitz 2685c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 2695c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 2705c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 2715c65c564SOr Gerlitz 27273edca73SVlad Buslov /* protects flows list */ 27373edca73SVlad Buslov spinlock_t flows_lock; 2745c65c564SOr Gerlitz /* flows sharing the same hairpin */ 2755c65c564SOr Gerlitz struct list_head flows; 276db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 277db76ca24SVlad Buslov * function traversed them. 278db76ca24SVlad Buslov */ 279db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 2805c65c564SOr Gerlitz 281d8822868SOr Gerlitz u16 peer_vhca_id; 282106be53bSOr Gerlitz u8 prio; 2835c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 284e4f9abbdSVlad Buslov refcount_t refcnt; 285db76ca24SVlad Buslov struct completion res_ready; 2865c65c564SOr Gerlitz }; 2875c65c564SOr Gerlitz 28811c9c548SOr Gerlitz struct mod_hdr_key { 28911c9c548SOr Gerlitz int num_actions; 29011c9c548SOr Gerlitz void *actions; 29111c9c548SOr Gerlitz }; 29211c9c548SOr Gerlitz 29311c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 29411c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 29511c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 29611c9c548SOr Gerlitz 29783a52f0dSVlad Buslov /* protects flows list */ 29883a52f0dSVlad Buslov spinlock_t flows_lock; 29911c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 30011c9c548SOr Gerlitz struct list_head flows; 30111c9c548SOr Gerlitz 30211c9c548SOr Gerlitz struct mod_hdr_key key; 30311c9c548SOr Gerlitz 3042b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 305dd58edc3SVlad Buslov 306dd58edc3SVlad Buslov refcount_t refcnt; 307a734d007SVlad Buslov struct completion res_ready; 308a734d007SVlad Buslov int compl_result; 30911c9c548SOr Gerlitz }; 31011c9c548SOr Gerlitz 3115a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3125a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3135a7e5bcbSVlad Buslov 3145a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3155a7e5bcbSVlad Buslov { 3165a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3175a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3185a7e5bcbSVlad Buslov return flow; 3195a7e5bcbSVlad Buslov } 3205a7e5bcbSVlad Buslov 3215a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 3225a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 3235a7e5bcbSVlad Buslov { 3245a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3255a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 326c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3275a7e5bcbSVlad Buslov } 3285a7e5bcbSVlad Buslov } 3295a7e5bcbSVlad Buslov 330226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 331226f2ca3SVlad Buslov { 332226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 333226f2ca3SVlad Buslov smp_mb__before_atomic(); 334226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 335226f2ca3SVlad Buslov } 336226f2ca3SVlad Buslov 337226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 338226f2ca3SVlad Buslov 339c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 340c5d326b2SVlad Buslov unsigned long flag) 341c5d326b2SVlad Buslov { 342c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 343c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 344c5d326b2SVlad Buslov } 345c5d326b2SVlad Buslov 346c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 347c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 348c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 349c5d326b2SVlad Buslov 350226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 351226f2ca3SVlad Buslov { 352226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 353226f2ca3SVlad Buslov smp_mb__before_atomic(); 354226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 355226f2ca3SVlad Buslov } 356226f2ca3SVlad Buslov 357226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 358226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 359226f2ca3SVlad Buslov 360226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 361226f2ca3SVlad Buslov { 362226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 363226f2ca3SVlad Buslov 364226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 365226f2ca3SVlad Buslov smp_mb__after_atomic(); 366226f2ca3SVlad Buslov return ret; 367226f2ca3SVlad Buslov } 368226f2ca3SVlad Buslov 369226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 370226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 371226f2ca3SVlad Buslov 372226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 373226f2ca3SVlad Buslov { 374226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 375226f2ca3SVlad Buslov } 376226f2ca3SVlad Buslov 37784179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 37884179981SPaul Blakey { 37984179981SPaul Blakey return flow_flag_test(flow, FT); 38084179981SPaul Blakey } 38184179981SPaul Blakey 382226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 383226f2ca3SVlad Buslov { 384226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 385226f2ca3SVlad Buslov } 386226f2ca3SVlad Buslov 38711c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 38811c9c548SOr Gerlitz { 38911c9c548SOr Gerlitz return jhash(key->actions, 39011c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 39111c9c548SOr Gerlitz } 39211c9c548SOr Gerlitz 39311c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 39411c9c548SOr Gerlitz struct mod_hdr_key *b) 39511c9c548SOr Gerlitz { 39611c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 39711c9c548SOr Gerlitz return 1; 39811c9c548SOr Gerlitz 39911c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 40011c9c548SOr Gerlitz } 40111c9c548SOr Gerlitz 402dd58edc3SVlad Buslov static struct mod_hdr_tbl * 403dd58edc3SVlad Buslov get_mod_hdr_table(struct mlx5e_priv *priv, int namespace) 404dd58edc3SVlad Buslov { 405dd58edc3SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 406dd58edc3SVlad Buslov 407dd58edc3SVlad Buslov return namespace == MLX5_FLOW_NAMESPACE_FDB ? &esw->offloads.mod_hdr : 408dd58edc3SVlad Buslov &priv->fs.tc.mod_hdr; 409dd58edc3SVlad Buslov } 410dd58edc3SVlad Buslov 411dd58edc3SVlad Buslov static struct mlx5e_mod_hdr_entry * 412dd58edc3SVlad Buslov mlx5e_mod_hdr_get(struct mod_hdr_tbl *tbl, struct mod_hdr_key *key, u32 hash_key) 413dd58edc3SVlad Buslov { 414dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh, *found = NULL; 415dd58edc3SVlad Buslov 416dd58edc3SVlad Buslov hash_for_each_possible(tbl->hlist, mh, mod_hdr_hlist, hash_key) { 417dd58edc3SVlad Buslov if (!cmp_mod_hdr_info(&mh->key, key)) { 418dd58edc3SVlad Buslov refcount_inc(&mh->refcnt); 419dd58edc3SVlad Buslov found = mh; 420dd58edc3SVlad Buslov break; 421dd58edc3SVlad Buslov } 422dd58edc3SVlad Buslov } 423dd58edc3SVlad Buslov 424dd58edc3SVlad Buslov return found; 425dd58edc3SVlad Buslov } 426dd58edc3SVlad Buslov 427dd58edc3SVlad Buslov static void mlx5e_mod_hdr_put(struct mlx5e_priv *priv, 428d2faae25SVlad Buslov struct mlx5e_mod_hdr_entry *mh, 429d2faae25SVlad Buslov int namespace) 430dd58edc3SVlad Buslov { 431d2faae25SVlad Buslov struct mod_hdr_tbl *tbl = get_mod_hdr_table(priv, namespace); 432d2faae25SVlad Buslov 433d2faae25SVlad Buslov if (!refcount_dec_and_mutex_lock(&mh->refcnt, &tbl->lock)) 434dd58edc3SVlad Buslov return; 435d2faae25SVlad Buslov hash_del(&mh->mod_hdr_hlist); 436d2faae25SVlad Buslov mutex_unlock(&tbl->lock); 437dd58edc3SVlad Buslov 438dd58edc3SVlad Buslov WARN_ON(!list_empty(&mh->flows)); 439a734d007SVlad Buslov if (mh->compl_result > 0) 4402b688ea5SMaor Gottlieb mlx5_modify_header_dealloc(priv->mdev, mh->modify_hdr); 441d2faae25SVlad Buslov 442dd58edc3SVlad Buslov kfree(mh); 443dd58edc3SVlad Buslov } 444dd58edc3SVlad Buslov 445d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 446d2faae25SVlad Buslov { 447d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 448d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 449d2faae25SVlad Buslov } 45011c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 45111c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 45211c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 45311c9c548SOr Gerlitz { 45411c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 45511c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 456dd58edc3SVlad Buslov struct mod_hdr_tbl *tbl; 45711c9c548SOr Gerlitz struct mod_hdr_key key; 45811c9c548SOr Gerlitz u32 hash_key; 45911c9c548SOr Gerlitz 4606ae4a6a5SPaul Blakey num_actions = parse_attr->mod_hdr_acts.num_actions; 46111c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 46211c9c548SOr Gerlitz 4636ae4a6a5SPaul Blakey key.actions = parse_attr->mod_hdr_acts.actions; 46411c9c548SOr Gerlitz key.num_actions = num_actions; 46511c9c548SOr Gerlitz 46611c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 46711c9c548SOr Gerlitz 468d2faae25SVlad Buslov namespace = get_flow_name_space(flow); 469dd58edc3SVlad Buslov tbl = get_mod_hdr_table(priv, namespace); 47011c9c548SOr Gerlitz 471d2faae25SVlad Buslov mutex_lock(&tbl->lock); 472dd58edc3SVlad Buslov mh = mlx5e_mod_hdr_get(tbl, &key, hash_key); 473a734d007SVlad Buslov if (mh) { 474a734d007SVlad Buslov mutex_unlock(&tbl->lock); 475a734d007SVlad Buslov wait_for_completion(&mh->res_ready); 476a734d007SVlad Buslov 477a734d007SVlad Buslov if (mh->compl_result < 0) { 478a734d007SVlad Buslov err = -EREMOTEIO; 479a734d007SVlad Buslov goto attach_header_err; 480a734d007SVlad Buslov } 48111c9c548SOr Gerlitz goto attach_flow; 482a734d007SVlad Buslov } 48311c9c548SOr Gerlitz 48411c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 485d2faae25SVlad Buslov if (!mh) { 486a734d007SVlad Buslov mutex_unlock(&tbl->lock); 487a734d007SVlad Buslov return -ENOMEM; 488d2faae25SVlad Buslov } 48911c9c548SOr Gerlitz 49011c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 49111c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 49211c9c548SOr Gerlitz mh->key.num_actions = num_actions; 49383a52f0dSVlad Buslov spin_lock_init(&mh->flows_lock); 49411c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 495dd58edc3SVlad Buslov refcount_set(&mh->refcnt, 1); 496a734d007SVlad Buslov init_completion(&mh->res_ready); 497a734d007SVlad Buslov 498a734d007SVlad Buslov hash_add(tbl->hlist, &mh->mod_hdr_hlist, hash_key); 499a734d007SVlad Buslov mutex_unlock(&tbl->lock); 50011c9c548SOr Gerlitz 5012b688ea5SMaor Gottlieb mh->modify_hdr = mlx5_modify_header_alloc(priv->mdev, namespace, 50211c9c548SOr Gerlitz mh->key.num_actions, 5032b688ea5SMaor Gottlieb mh->key.actions); 5042b688ea5SMaor Gottlieb if (IS_ERR(mh->modify_hdr)) { 5052b688ea5SMaor Gottlieb err = PTR_ERR(mh->modify_hdr); 506a734d007SVlad Buslov mh->compl_result = err; 507a734d007SVlad Buslov goto alloc_header_err; 508a734d007SVlad Buslov } 509a734d007SVlad Buslov mh->compl_result = 1; 510a734d007SVlad Buslov complete_all(&mh->res_ready); 51111c9c548SOr Gerlitz 51211c9c548SOr Gerlitz attach_flow: 513dd58edc3SVlad Buslov flow->mh = mh; 51483a52f0dSVlad Buslov spin_lock(&mh->flows_lock); 51511c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 51683a52f0dSVlad Buslov spin_unlock(&mh->flows_lock); 517d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 5182b688ea5SMaor Gottlieb flow->esw_attr->modify_hdr = mh->modify_hdr; 51911c9c548SOr Gerlitz else 5202b688ea5SMaor Gottlieb flow->nic_attr->modify_hdr = mh->modify_hdr; 52111c9c548SOr Gerlitz 52211c9c548SOr Gerlitz return 0; 52311c9c548SOr Gerlitz 524a734d007SVlad Buslov alloc_header_err: 525a734d007SVlad Buslov complete_all(&mh->res_ready); 526a734d007SVlad Buslov attach_header_err: 527a734d007SVlad Buslov mlx5e_mod_hdr_put(priv, mh, namespace); 52811c9c548SOr Gerlitz return err; 52911c9c548SOr Gerlitz } 53011c9c548SOr Gerlitz 53111c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 53211c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 53311c9c548SOr Gerlitz { 5345a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 535dd58edc3SVlad Buslov if (!flow->mh) 5365a7e5bcbSVlad Buslov return; 5375a7e5bcbSVlad Buslov 53883a52f0dSVlad Buslov spin_lock(&flow->mh->flows_lock); 53911c9c548SOr Gerlitz list_del(&flow->mod_hdr); 54083a52f0dSVlad Buslov spin_unlock(&flow->mh->flows_lock); 54111c9c548SOr Gerlitz 542d2faae25SVlad Buslov mlx5e_mod_hdr_put(priv, flow->mh, get_flow_name_space(flow)); 543dd58edc3SVlad Buslov flow->mh = NULL; 54411c9c548SOr Gerlitz } 54511c9c548SOr Gerlitz 54677ab67b7SOr Gerlitz static 54777ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 54877ab67b7SOr Gerlitz { 54977ab67b7SOr Gerlitz struct net_device *netdev; 55077ab67b7SOr Gerlitz struct mlx5e_priv *priv; 55177ab67b7SOr Gerlitz 55277ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 55377ab67b7SOr Gerlitz priv = netdev_priv(netdev); 55477ab67b7SOr Gerlitz return priv->mdev; 55577ab67b7SOr Gerlitz } 55677ab67b7SOr Gerlitz 55777ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 55877ab67b7SOr Gerlitz { 559e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {}; 56077ab67b7SOr Gerlitz void *tirc; 56177ab67b7SOr Gerlitz int err; 56277ab67b7SOr Gerlitz 56377ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 56477ab67b7SOr Gerlitz if (err) 56577ab67b7SOr Gerlitz goto alloc_tdn_err; 56677ab67b7SOr Gerlitz 56777ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 56877ab67b7SOr Gerlitz 56977ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 570ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 57177ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 57277ab67b7SOr Gerlitz 573e0b4b472SLeon Romanovsky err = mlx5_core_create_tir(hp->func_mdev, in, &hp->tirn); 57477ab67b7SOr Gerlitz if (err) 57577ab67b7SOr Gerlitz goto create_tir_err; 57677ab67b7SOr Gerlitz 57777ab67b7SOr Gerlitz return 0; 57877ab67b7SOr Gerlitz 57977ab67b7SOr Gerlitz create_tir_err: 58077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 58177ab67b7SOr Gerlitz alloc_tdn_err: 58277ab67b7SOr Gerlitz return err; 58377ab67b7SOr Gerlitz } 58477ab67b7SOr Gerlitz 58577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 58677ab67b7SOr Gerlitz { 58777ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 58877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 58977ab67b7SOr Gerlitz } 59077ab67b7SOr Gerlitz 5913f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 5923f6d08d1SOr Gerlitz { 5933f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 5943f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5953f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 5963f6d08d1SOr Gerlitz 5973f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 5983f6d08d1SOr Gerlitz hp->num_channels); 5993f6d08d1SOr Gerlitz 6003f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 6013f6d08d1SOr Gerlitz ix = i; 602bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 6033f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 6043f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 6053f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 6063f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 6073f6d08d1SOr Gerlitz } 6083f6d08d1SOr Gerlitz } 6093f6d08d1SOr Gerlitz 6103f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 6113f6d08d1SOr Gerlitz { 6123f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 6133f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6143f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 6153f6d08d1SOr Gerlitz void *rqtc; 6163f6d08d1SOr Gerlitz u32 *in; 6173f6d08d1SOr Gerlitz 6183f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 6193f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 6203f6d08d1SOr Gerlitz if (!in) 6213f6d08d1SOr Gerlitz return -ENOMEM; 6223f6d08d1SOr Gerlitz 6233f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 6243f6d08d1SOr Gerlitz 6253f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 6263f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 6273f6d08d1SOr Gerlitz 6283f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 6293f6d08d1SOr Gerlitz 6303f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 6313f6d08d1SOr Gerlitz if (!err) 6323f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 6333f6d08d1SOr Gerlitz 6343f6d08d1SOr Gerlitz kvfree(in); 6353f6d08d1SOr Gerlitz return err; 6363f6d08d1SOr Gerlitz } 6373f6d08d1SOr Gerlitz 6383f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 6393f6d08d1SOr Gerlitz { 6403f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6413f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 6423f6d08d1SOr Gerlitz int tt, i, err; 6433f6d08d1SOr Gerlitz void *tirc; 6443f6d08d1SOr Gerlitz 6453f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 646d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 647d930ac79SAya Levin 6483f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 6493f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 6503f6d08d1SOr Gerlitz 6513f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 6523f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 6533f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 654bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 655bbeb53b8SAya Levin 6563f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 657e0b4b472SLeon Romanovsky &hp->indir_tirn[tt]); 6583f6d08d1SOr Gerlitz if (err) { 6593f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 6603f6d08d1SOr Gerlitz goto err_destroy_tirs; 6613f6d08d1SOr Gerlitz } 6623f6d08d1SOr Gerlitz } 6633f6d08d1SOr Gerlitz return 0; 6643f6d08d1SOr Gerlitz 6653f6d08d1SOr Gerlitz err_destroy_tirs: 6663f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 6673f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 6683f6d08d1SOr Gerlitz return err; 6693f6d08d1SOr Gerlitz } 6703f6d08d1SOr Gerlitz 6713f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 6723f6d08d1SOr Gerlitz { 6733f6d08d1SOr Gerlitz int tt; 6743f6d08d1SOr Gerlitz 6753f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6763f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 6773f6d08d1SOr Gerlitz } 6783f6d08d1SOr Gerlitz 6793f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 6803f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6813f6d08d1SOr Gerlitz { 6823f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6833f6d08d1SOr Gerlitz int tt; 6843f6d08d1SOr Gerlitz 6853f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6863f6d08d1SOr Gerlitz 6873f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 6883f6d08d1SOr Gerlitz 6893f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6903f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 6913f6d08d1SOr Gerlitz 6926412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 6933f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6943f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6953f6d08d1SOr Gerlitz } 6963f6d08d1SOr Gerlitz 6973f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6983f6d08d1SOr Gerlitz { 6993f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7003f6d08d1SOr Gerlitz struct ttc_params ttc_params; 7013f6d08d1SOr Gerlitz int err; 7023f6d08d1SOr Gerlitz 7033f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 7043f6d08d1SOr Gerlitz if (err) 7053f6d08d1SOr Gerlitz return err; 7063f6d08d1SOr Gerlitz 7073f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 7083f6d08d1SOr Gerlitz if (err) 7093f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 7103f6d08d1SOr Gerlitz 7113f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 7123f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 7133f6d08d1SOr Gerlitz if (err) 7143f6d08d1SOr Gerlitz goto err_create_ttc_table; 7153f6d08d1SOr Gerlitz 7163f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 7173f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 7183f6d08d1SOr Gerlitz 7193f6d08d1SOr Gerlitz return 0; 7203f6d08d1SOr Gerlitz 7213f6d08d1SOr Gerlitz err_create_ttc_table: 7223f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 7233f6d08d1SOr Gerlitz err_create_indirect_tirs: 7243f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 7253f6d08d1SOr Gerlitz 7263f6d08d1SOr Gerlitz return err; 7273f6d08d1SOr Gerlitz } 7283f6d08d1SOr Gerlitz 7293f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 7303f6d08d1SOr Gerlitz { 7313f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7323f6d08d1SOr Gerlitz 7333f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 7343f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 7353f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 7363f6d08d1SOr Gerlitz } 7373f6d08d1SOr Gerlitz 73877ab67b7SOr Gerlitz static struct mlx5e_hairpin * 73977ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 74077ab67b7SOr Gerlitz int peer_ifindex) 74177ab67b7SOr Gerlitz { 74277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 74377ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 74477ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 74577ab67b7SOr Gerlitz int err; 74677ab67b7SOr Gerlitz 74777ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 74877ab67b7SOr Gerlitz if (!hp) 74977ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 75077ab67b7SOr Gerlitz 75177ab67b7SOr Gerlitz func_mdev = priv->mdev; 75277ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 75377ab67b7SOr Gerlitz 75477ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 75577ab67b7SOr Gerlitz if (IS_ERR(pair)) { 75677ab67b7SOr Gerlitz err = PTR_ERR(pair); 75777ab67b7SOr Gerlitz goto create_pair_err; 75877ab67b7SOr Gerlitz } 75977ab67b7SOr Gerlitz hp->pair = pair; 76077ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 7613f6d08d1SOr Gerlitz hp->func_priv = priv; 7623f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 76377ab67b7SOr Gerlitz 76477ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 76577ab67b7SOr Gerlitz if (err) 76677ab67b7SOr Gerlitz goto create_transport_err; 76777ab67b7SOr Gerlitz 7683f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 7693f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 7703f6d08d1SOr Gerlitz if (err) 7713f6d08d1SOr Gerlitz goto rss_init_err; 7723f6d08d1SOr Gerlitz } 7733f6d08d1SOr Gerlitz 77477ab67b7SOr Gerlitz return hp; 77577ab67b7SOr Gerlitz 7763f6d08d1SOr Gerlitz rss_init_err: 7773f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 77877ab67b7SOr Gerlitz create_transport_err: 77977ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 78077ab67b7SOr Gerlitz create_pair_err: 78177ab67b7SOr Gerlitz kfree(hp); 78277ab67b7SOr Gerlitz return ERR_PTR(err); 78377ab67b7SOr Gerlitz } 78477ab67b7SOr Gerlitz 78577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 78677ab67b7SOr Gerlitz { 7873f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7883f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 78977ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 79077ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 79177ab67b7SOr Gerlitz kvfree(hp); 79277ab67b7SOr Gerlitz } 79377ab67b7SOr Gerlitz 794106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 795106be53bSOr Gerlitz { 796106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 797106be53bSOr Gerlitz } 798106be53bSOr Gerlitz 7995c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 800106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 8015c65c564SOr Gerlitz { 8025c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 803106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 8045c65c564SOr Gerlitz 8055c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 806106be53bSOr Gerlitz hairpin_hlist, hash_key) { 807e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 808e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 8095c65c564SOr Gerlitz return hpe; 8105c65c564SOr Gerlitz } 811e4f9abbdSVlad Buslov } 8125c65c564SOr Gerlitz 8135c65c564SOr Gerlitz return NULL; 8145c65c564SOr Gerlitz } 8155c65c564SOr Gerlitz 816e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 817e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 818e4f9abbdSVlad Buslov { 819e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 820b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 821e4f9abbdSVlad Buslov return; 822b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 823b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 824e4f9abbdSVlad Buslov 825db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 826e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 827e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 828e4f9abbdSVlad Buslov 829e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 830db76ca24SVlad Buslov } 831db76ca24SVlad Buslov 832db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 833e4f9abbdSVlad Buslov kfree(hpe); 834e4f9abbdSVlad Buslov } 835e4f9abbdSVlad Buslov 836106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 837106be53bSOr Gerlitz 838106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 839e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 840e98bedf5SEli Britstein struct netlink_ext_ack *extack) 841106be53bSOr Gerlitz { 842106be53bSOr Gerlitz void *headers_c, *headers_v; 843106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 844106be53bSOr Gerlitz bool vlan_present; 845106be53bSOr Gerlitz 846106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 847106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 848e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 849e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 850106be53bSOr Gerlitz return -EOPNOTSUPP; 851106be53bSOr Gerlitz } 852106be53bSOr Gerlitz #endif 853106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 854106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 855106be53bSOr Gerlitz 856106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 857106be53bSOr Gerlitz if (vlan_present) { 858106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 859106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 860106be53bSOr Gerlitz } 861106be53bSOr Gerlitz 862106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 863106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 864106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 865e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 866e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 867106be53bSOr Gerlitz return -EOPNOTSUPP; 868106be53bSOr Gerlitz } 869106be53bSOr Gerlitz 870106be53bSOr Gerlitz *match_prio = prio_val; 871106be53bSOr Gerlitz return 0; 872106be53bSOr Gerlitz } 873106be53bSOr Gerlitz 8745c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8755c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 876e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 877e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8785c65c564SOr Gerlitz { 87998b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8805c65c564SOr Gerlitz struct mlx5_hairpin_params params; 881d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8825c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8835c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8843f6d08d1SOr Gerlitz u64 link_speed64; 8853f6d08d1SOr Gerlitz u32 link_speed; 886106be53bSOr Gerlitz u8 match_prio; 887d8822868SOr Gerlitz u16 peer_id; 8885c65c564SOr Gerlitz int err; 8895c65c564SOr Gerlitz 890d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 891d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 892e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8935c65c564SOr Gerlitz return -EOPNOTSUPP; 8945c65c564SOr Gerlitz } 8955c65c564SOr Gerlitz 896d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 897e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 898e98bedf5SEli Britstein extack); 899106be53bSOr Gerlitz if (err) 900106be53bSOr Gerlitz return err; 901b32accdaSVlad Buslov 902b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 903106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 904db76ca24SVlad Buslov if (hpe) { 905db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 906db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 907db76ca24SVlad Buslov 908db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 909db76ca24SVlad Buslov err = -EREMOTEIO; 910db76ca24SVlad Buslov goto out_err; 911db76ca24SVlad Buslov } 9125c65c564SOr Gerlitz goto attach_flow; 913db76ca24SVlad Buslov } 9145c65c564SOr Gerlitz 9155c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 916b32accdaSVlad Buslov if (!hpe) { 917db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 918db76ca24SVlad Buslov return -ENOMEM; 919b32accdaSVlad Buslov } 9205c65c564SOr Gerlitz 92173edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 9225c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 923db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 924d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 925106be53bSOr Gerlitz hpe->prio = match_prio; 926e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 927db76ca24SVlad Buslov init_completion(&hpe->res_ready); 928db76ca24SVlad Buslov 929db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 930db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 931db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 9325c65c564SOr Gerlitz 9335c65c564SOr Gerlitz params.log_data_size = 15; 9345c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 9355c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 9365c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 9375c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 9385c65c564SOr Gerlitz 939eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 940eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 941eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 942eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 943eb9180f7SOr Gerlitz 944eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 9453f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 9462c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 9473f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 9483f6d08d1SOr Gerlitz link_speed64 = link_speed; 9493f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 9503f6d08d1SOr Gerlitz params.num_channels = link_speed64; 9513f6d08d1SOr Gerlitz 9525c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 953db76ca24SVlad Buslov hpe->hp = hp; 954db76ca24SVlad Buslov complete_all(&hpe->res_ready); 9555c65c564SOr Gerlitz if (IS_ERR(hp)) { 9565c65c564SOr Gerlitz err = PTR_ERR(hp); 957db76ca24SVlad Buslov goto out_err; 9585c65c564SOr Gerlitz } 9595c65c564SOr Gerlitz 960eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 96127b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 96227b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 963eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 9645c65c564SOr Gerlitz 9655c65c564SOr Gerlitz attach_flow: 9663f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 967226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 9683f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 9693f6d08d1SOr Gerlitz } else { 9705c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 9713f6d08d1SOr Gerlitz } 972b32accdaSVlad Buslov 973e4f9abbdSVlad Buslov flow->hpe = hpe; 97473edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9755c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 97673edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9773f6d08d1SOr Gerlitz 9785c65c564SOr Gerlitz return 0; 9795c65c564SOr Gerlitz 980db76ca24SVlad Buslov out_err: 981db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9825c65c564SOr Gerlitz return err; 9835c65c564SOr Gerlitz } 9845c65c564SOr Gerlitz 9855c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9865c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9875c65c564SOr Gerlitz { 9885a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 989e4f9abbdSVlad Buslov if (!flow->hpe) 9905a7e5bcbSVlad Buslov return; 9915a7e5bcbSVlad Buslov 99273edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9935c65c564SOr Gerlitz list_del(&flow->hairpin); 99473edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 99573edca73SVlad Buslov 996e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 997e4f9abbdSVlad Buslov flow->hpe = NULL; 9985c65c564SOr Gerlitz } 9995c65c564SOr Gerlitz 1000c83954abSRabie Loulou static int 100174491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 100217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1003e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1004e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1005e8f887acSAmir Vadai { 1006bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 1007aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1008aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 10095c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 101066958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 10113bc4b7bfSOr Gerlitz .action = attr->action, 1012bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 101366958ed9SHadar Hen Zion }; 1014aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 10155c65c564SOr Gerlitz int err, dest_ix = 0; 1016e8f887acSAmir Vadai 1017bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1018bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 1019bb0ee7dcSJianbo Liu 1020226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 1021e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 10225a7e5bcbSVlad Buslov if (err) 10235a7e5bcbSVlad Buslov return err; 10245a7e5bcbSVlad Buslov 1025226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 10263f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 10273f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 10283f6d08d1SOr Gerlitz } else { 10295c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 10305c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 10313f6d08d1SOr Gerlitz } 10323f6d08d1SOr Gerlitz dest_ix++; 10333f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 10345c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 10355c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 10365c65c564SOr Gerlitz dest_ix++; 10375c65c564SOr Gerlitz } 1038aad7e08dSAmir Vadai 10395c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 10405c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 10415a7e5bcbSVlad Buslov if (IS_ERR(counter)) 10425a7e5bcbSVlad Buslov return PTR_ERR(counter); 10435a7e5bcbSVlad Buslov 10445c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 1045171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 10465c65c564SOr Gerlitz dest_ix++; 1047b8aee822SMark Bloch attr->counter = counter; 1048aad7e08dSAmir Vadai } 1049aad7e08dSAmir Vadai 10502f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 10513099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 10522b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 10536ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1054c83954abSRabie Loulou if (err) 10555a7e5bcbSVlad Buslov return err; 10562f4fe4caSOr Gerlitz } 10572f4fe4caSOr Gerlitz 1058b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1059acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 106061dc7b01SPaul Blakey struct mlx5_flow_table_attr ft_attr = {}; 106161dc7b01SPaul Blakey int tc_grp_size, tc_tbl_size, tc_num_grps; 106221b9c144SOr Gerlitz u32 max_flow_counter; 106321b9c144SOr Gerlitz 106421b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 106521b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 106621b9c144SOr Gerlitz 106721b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 106821b9c144SOr Gerlitz 106921b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 107021b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 107161dc7b01SPaul Blakey tc_num_grps = MLX5E_TC_TABLE_NUM_GROUPS; 107221b9c144SOr Gerlitz 107361dc7b01SPaul Blakey ft_attr.prio = MLX5E_TC_PRIO; 107461dc7b01SPaul Blakey ft_attr.max_fte = tc_tbl_size; 107561dc7b01SPaul Blakey ft_attr.level = MLX5E_TC_FT_LEVEL; 107661dc7b01SPaul Blakey ft_attr.autogroup.max_num_groups = tc_num_grps; 1077acff797cSMaor Gottlieb priv->fs.tc.t = 1078acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 107961dc7b01SPaul Blakey &ft_attr); 1080acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 1081b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 1082e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1083c75a33c8SJacob Keller "Failed to create tc offload table"); 1084e8f887acSAmir Vadai netdev_err(priv->netdev, 1085e8f887acSAmir Vadai "Failed to create tc offload table\n"); 10865a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 1087e8f887acSAmir Vadai } 1088e8f887acSAmir Vadai } 1089e8f887acSAmir Vadai 109038aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 1091d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 109238aa51c1SOr Gerlitz 1093c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 10945c65c564SOr Gerlitz &flow_act, dest, dest_ix); 1095b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 1096e8f887acSAmir Vadai 1097a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1098e8f887acSAmir Vadai } 1099e8f887acSAmir Vadai 1100d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1101d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1102d85cdccbSOr Gerlitz { 1103513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1104d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 1105d85cdccbSOr Gerlitz 1106b8aee822SMark Bloch counter = attr->counter; 11075a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1108e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1109d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1110d85cdccbSOr Gerlitz 1111b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1112226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1113d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1114d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1115d85cdccbSOr Gerlitz } 1116b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11172f4fe4caSOr Gerlitz 1118513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11193099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11205c65c564SOr Gerlitz 1121226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11225c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1123d85cdccbSOr Gerlitz } 1124d85cdccbSOr Gerlitz 1125aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 11268c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1127aa0cbbaeSOr Gerlitz 11283c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1129e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1130733d4f36SRoi Dayan struct net_device *mirred_dev, 1131733d4f36SRoi Dayan int out_index, 11328c4dc42bSEli Britstein struct netlink_ext_ack *extack, 11330ad060eeSRoi Dayan struct net_device **encap_dev, 11340ad060eeSRoi Dayan bool *encap_valid); 113514e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 113614e6b038SEli Cohen struct mlx5e_tc_flow *flow, 113714e6b038SEli Cohen struct netlink_ext_ack *extack); 113814e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 113914e6b038SEli Cohen struct mlx5e_tc_flow *flow); 11403c37745eSOr Gerlitz 11416d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 11426d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11436d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11446d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 11456d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 11466d2a3ed0SOr Gerlitz { 11471ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11486d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11494c3844d9SPaul Blakey 11501ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11511ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11521ef3018fSPaul Blakey 11531ef3018fSPaul Blakey return mlx5_tc_ct_flow_offload(flow->priv, flow, spec, attr, 11541ef3018fSPaul Blakey mod_hdr_acts); 11551ef3018fSPaul Blakey } 11566d2a3ed0SOr Gerlitz 11576d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11586d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11596d2a3ed0SOr Gerlitz return rule; 11606d2a3ed0SOr Gerlitz 1161e85e02baSEli Britstein if (attr->split_count) { 11626d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11636d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 11646d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11656d2a3ed0SOr Gerlitz return flow->rule[1]; 11666d2a3ed0SOr Gerlitz } 11676d2a3ed0SOr Gerlitz } 11686d2a3ed0SOr Gerlitz 11696d2a3ed0SOr Gerlitz return rule; 11706d2a3ed0SOr Gerlitz } 11716d2a3ed0SOr Gerlitz 11726d2a3ed0SOr Gerlitz static void 11736d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11746d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11756d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 11766d2a3ed0SOr Gerlitz { 1177226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11786d2a3ed0SOr Gerlitz 11794c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 11804c3844d9SPaul Blakey mlx5_tc_ct_delete_flow(flow->priv, flow, attr); 11814c3844d9SPaul Blakey return; 11824c3844d9SPaul Blakey } 11834c3844d9SPaul Blakey 1184e85e02baSEli Britstein if (attr->split_count) 11856d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 11866d2a3ed0SOr Gerlitz 11876d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 11886d2a3ed0SOr Gerlitz } 11896d2a3ed0SOr Gerlitz 11905dbe906fSPaul Blakey static struct mlx5_flow_handle * 11915dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 11925dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1193178f69b4SEli Cohen struct mlx5_flow_spec *spec) 11945dbe906fSPaul Blakey { 1195178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 11965dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11975dbe906fSPaul Blakey 1198178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1199178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1200178f69b4SEli Cohen slow_attr.split_count = 0; 1201178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 12025dbe906fSPaul Blakey 1203178f69b4SEli Cohen rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, &slow_attr); 12045dbe906fSPaul Blakey if (!IS_ERR(rule)) 1205226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12065dbe906fSPaul Blakey 12075dbe906fSPaul Blakey return rule; 12085dbe906fSPaul Blakey } 12095dbe906fSPaul Blakey 12105dbe906fSPaul Blakey static void 12115dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1212178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12135dbe906fSPaul Blakey { 1214178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 1215178f69b4SEli Cohen 1216178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1217178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1218178f69b4SEli Cohen slow_attr.split_count = 0; 1219178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1220178f69b4SEli Cohen mlx5e_tc_unoffload_fdb_rules(esw, flow, &slow_attr); 1221226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 12225dbe906fSPaul Blakey } 12235dbe906fSPaul Blakey 1224ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1225ad86755bSVlad Buslov * function. 1226ad86755bSVlad Buslov */ 1227ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1228ad86755bSVlad Buslov struct list_head *unready_flows) 1229ad86755bSVlad Buslov { 1230ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1231ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1232ad86755bSVlad Buslov } 1233ad86755bSVlad Buslov 1234ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1235ad86755bSVlad Buslov * function. 1236ad86755bSVlad Buslov */ 1237ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1238ad86755bSVlad Buslov { 1239ad86755bSVlad Buslov list_del(&flow->unready); 1240ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1241ad86755bSVlad Buslov } 1242ad86755bSVlad Buslov 1243b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1244b4a23329SRoi Dayan { 1245b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1246b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1247b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1248b4a23329SRoi Dayan 1249b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1250b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1251b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1252b4a23329SRoi Dayan 1253ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1254ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1255ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1256b4a23329SRoi Dayan } 1257b4a23329SRoi Dayan 1258b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1259b4a23329SRoi Dayan { 1260ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1261ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1262ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1263ad86755bSVlad Buslov 1264ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1265ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1266ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1267ad86755bSVlad Buslov 1268ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1269ad86755bSVlad Buslov unready_flow_del(flow); 1270ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1271b4a23329SRoi Dayan } 1272b4a23329SRoi Dayan 1273c83954abSRabie Loulou static int 127474491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1275e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1276e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1277adb4c123SOr Gerlitz { 1278adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1279aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 12807040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 12813c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1282b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 12833c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 12843c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 12850ad060eeSRoi Dayan bool encap_valid = true; 128639ac237cSPaul Blakey u32 max_prio, max_chain; 12870ad060eeSRoi Dayan int err = 0; 1288f493f155SEli Britstein int out_index; 12898b32580dSOr Gerlitz 129039ac237cSPaul Blakey if (!mlx5_esw_chains_prios_supported(esw) && attr->prio != 1) { 129161644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 129261644c3dSRoi Dayan "E-switch priorities unsupported, upgrade FW"); 1293d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1294d14f6f2aSOr Gerlitz } 1295e52c2802SPaul Blakey 129684179981SPaul Blakey /* We check chain range only for tc flows. 129784179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 129884179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 129984179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 130084179981SPaul Blakey */ 130139ac237cSPaul Blakey max_chain = mlx5_esw_chains_get_chain_range(esw); 130284179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 130361644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 130461644c3dSRoi Dayan "Requested chain is out of supported range"); 13055a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1306bf07aa73SPaul Blakey } 1307bf07aa73SPaul Blakey 130839ac237cSPaul Blakey max_prio = mlx5_esw_chains_get_prio_range(esw); 1309bf07aa73SPaul Blakey if (attr->prio > max_prio) { 131061644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 131161644c3dSRoi Dayan "Requested priority is out of supported range"); 13125a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1313bf07aa73SPaul Blakey } 1314bf07aa73SPaul Blakey 131514e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 131614e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 131714e6b038SEli Cohen if (err) 131814e6b038SEli Cohen return err; 131914e6b038SEli Cohen } 132014e6b038SEli Cohen 1321f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 13228c4dc42bSEli Britstein int mirred_ifindex; 13238c4dc42bSEli Britstein 1324f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1325f493f155SEli Britstein continue; 1326f493f155SEli Britstein 13277040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 13283c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 13298c4dc42bSEli Britstein mirred_ifindex); 1330733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 13310ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 13320ad060eeSRoi Dayan if (err) 13335a7e5bcbSVlad Buslov return err; 13340ad060eeSRoi Dayan 13353c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 13363c37745eSOr Gerlitz rpriv = out_priv->ppriv; 13371cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 13381cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 13393c37745eSOr Gerlitz } 13403c37745eSOr Gerlitz 13418b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1342c83954abSRabie Loulou if (err) 13435a7e5bcbSVlad Buslov return err; 1344adb4c123SOr Gerlitz 1345d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1346d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 13471a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 13486ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1349c83954abSRabie Loulou if (err) 13505a7e5bcbSVlad Buslov return err; 1351d7e75a32SOr Gerlitz } 1352d7e75a32SOr Gerlitz 1353b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1354f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 13555a7e5bcbSVlad Buslov if (IS_ERR(counter)) 13565a7e5bcbSVlad Buslov return PTR_ERR(counter); 1357b8aee822SMark Bloch 1358b8aee822SMark Bloch attr->counter = counter; 1359b8aee822SMark Bloch } 1360b8aee822SMark Bloch 13610ad060eeSRoi Dayan /* we get here if one of the following takes place: 13620ad060eeSRoi Dayan * (1) there's no error 13630ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 13643c37745eSOr Gerlitz */ 1365bc1d75faSRoi Dayan if (!encap_valid) 1366178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1367bc1d75faSRoi Dayan else 13686d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 13695dbe906fSPaul Blakey 13705a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 13715a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1372226f2ca3SVlad Buslov else 1373226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1374c83954abSRabie Loulou 13755dbe906fSPaul Blakey return 0; 1376aa0cbbaeSOr Gerlitz } 1377d85cdccbSOr Gerlitz 13789272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 13799272e3dfSYevgeny Kliteynik { 13809272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 13819272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 13829272e3dfSYevgeny Kliteynik spec->match_value, 13839272e3dfSYevgeny Kliteynik misc_parameters_3); 13849272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 13859272e3dfSYevgeny Kliteynik headers_v, 13869272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 13879272e3dfSYevgeny Kliteynik 13889272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 13899272e3dfSYevgeny Kliteynik } 13909272e3dfSYevgeny Kliteynik 1391d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1392d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1393d85cdccbSOr Gerlitz { 1394d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1395d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 1396f493f155SEli Britstein int out_index; 1397d85cdccbSOr Gerlitz 13980a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 13990a7fcb78SPaul Blakey 1400226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1401b4a23329SRoi Dayan remove_unready_flow(flow); 1402ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1403ef06c9eeSRoi Dayan return; 1404ef06c9eeSRoi Dayan } 1405ef06c9eeSRoi Dayan 1406226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1407226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1408178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14095dbe906fSPaul Blakey else 14105dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 14115dbe906fSPaul Blakey } 1412d85cdccbSOr Gerlitz 14139272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 14149272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 14159272e3dfSYevgeny Kliteynik 1416513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1417d85cdccbSOr Gerlitz 1418f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 14192a4b6526SVlad Buslov if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 14208c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 14212a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 14222a4b6526SVlad Buslov } 1423f493f155SEli Britstein kvfree(attr->parse_attr); 1424d7e75a32SOr Gerlitz 1425513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 14261a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1427b8aee822SMark Bloch 1428b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1429f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 143014e6b038SEli Cohen 143114e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 143214e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1433d85cdccbSOr Gerlitz } 1434d85cdccbSOr Gerlitz 1435232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 14362a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 14372a1f1768SVlad Buslov struct list_head *flow_list) 1438232c0013SHadar Hen Zion { 14393c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1440178f69b4SEli Cohen struct mlx5_esw_flow_attr *esw_attr; 14416d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 14426d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1443232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1444232c0013SHadar Hen Zion int err; 1445232c0013SHadar Hen Zion 14462b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 144754c177caSOz Shlomo e->reformat_type, 1448232c0013SHadar Hen Zion e->encap_size, e->encap_header, 14492b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 14502b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 14512b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 14522b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1453232c0013SHadar Hen Zion return; 1454232c0013SHadar Hen Zion } 1455232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1456f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1457232c0013SHadar Hen Zion 14582a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 14598c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 14608c4dc42bSEli Britstein int i; 14618c4dc42bSEli Britstein 146295435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 146395435ad7SVlad Buslov continue; 14643c37745eSOr Gerlitz esw_attr = flow->esw_attr; 14656d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 14666d2a3ed0SOr Gerlitz 14672b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 14682a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 14698c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 14708c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 14718c4dc42bSEli Britstein * a valid neighbour. 14728c4dc42bSEli Britstein */ 14738c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 14748c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 14758c4dc42bSEli Britstein continue; 14768c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 14778c4dc42bSEli Britstein all_flow_encaps_valid = false; 14788c4dc42bSEli Britstein break; 14798c4dc42bSEli Britstein } 14808c4dc42bSEli Britstein } 14818c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 14828c4dc42bSEli Britstein if (!all_flow_encaps_valid) 14832a1f1768SVlad Buslov continue; 14845dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 14856d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 14866d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 14876d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1488232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1489232c0013SHadar Hen Zion err); 14902a1f1768SVlad Buslov continue; 1491232c0013SHadar Hen Zion } 14925dbe906fSPaul Blakey 1493178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14946d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1495226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1496226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1497232c0013SHadar Hen Zion } 1498232c0013SHadar Hen Zion } 1499232c0013SHadar Hen Zion 1500232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 15012a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 15022a1f1768SVlad Buslov struct list_head *flow_list) 1503232c0013SHadar Hen Zion { 15043c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 15055dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 15065dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1507232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 15085dbe906fSPaul Blakey int err; 1509232c0013SHadar Hen Zion 15102a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 151195435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 151295435ad7SVlad Buslov continue; 15135dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 15145dbe906fSPaul Blakey 15155dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 1516178f69b4SEli Cohen rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec); 15178c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 15182a1f1768SVlad Buslov flow->esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 15195dbe906fSPaul Blakey 15205dbe906fSPaul Blakey if (IS_ERR(rule)) { 15215dbe906fSPaul Blakey err = PTR_ERR(rule); 15225dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 15235dbe906fSPaul Blakey err); 15242a1f1768SVlad Buslov continue; 15255dbe906fSPaul Blakey } 15265dbe906fSPaul Blakey 15276d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 15285dbe906fSPaul Blakey flow->rule[0] = rule; 1529226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1530226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1531232c0013SHadar Hen Zion } 1532232c0013SHadar Hen Zion 153361c806daSOr Gerlitz /* we know that the encap is valid */ 1534232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 15352b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1536232c0013SHadar Hen Zion } 1537232c0013SHadar Hen Zion 1538b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1539b8aee822SMark Bloch { 1540226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1541b8aee822SMark Bloch return flow->esw_attr->counter; 1542b8aee822SMark Bloch else 1543b8aee822SMark Bloch return flow->nic_attr->counter; 1544b8aee822SMark Bloch } 1545b8aee822SMark Bloch 15462a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 15472a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 15482a1f1768SVlad Buslov */ 15492a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 15502a1f1768SVlad Buslov { 15512a1f1768SVlad Buslov struct encap_flow_item *efi; 15522a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 15532a1f1768SVlad Buslov 15542a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 15552a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 15562a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15572a1f1768SVlad Buslov continue; 155895435ad7SVlad Buslov wait_for_completion(&flow->init_done); 15592a1f1768SVlad Buslov 15602a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 15612a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 15622a1f1768SVlad Buslov } 15632a1f1768SVlad Buslov } 15642a1f1768SVlad Buslov 15656a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 15662a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 15676a06c2f7SVlad Buslov { 15686a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 15696a06c2f7SVlad Buslov 15706a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 15716a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 15726a06c2f7SVlad Buslov } 15736a06c2f7SVlad Buslov 1574ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1575ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1576ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1577ac0d9176SVlad Buslov { 1578ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1579ac0d9176SVlad Buslov 1580ac0d9176SVlad Buslov retry: 1581ac0d9176SVlad Buslov rcu_read_lock(); 1582ac0d9176SVlad Buslov 1583ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1584ac0d9176SVlad Buslov for (next = e ? 1585ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1586ac0d9176SVlad Buslov &e->encap_list, 1587ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1588ac0d9176SVlad Buslov encap_list) : 1589ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1590ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1591ac0d9176SVlad Buslov encap_list); 1592ac0d9176SVlad Buslov next; 1593ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1594ac0d9176SVlad Buslov &next->encap_list, 1595ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1596ac0d9176SVlad Buslov encap_list)) 1597ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1598ac0d9176SVlad Buslov break; 1599ac0d9176SVlad Buslov 1600ac0d9176SVlad Buslov rcu_read_unlock(); 1601ac0d9176SVlad Buslov 1602ac0d9176SVlad Buslov /* release starting encap */ 1603ac0d9176SVlad Buslov if (e) 1604ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1605ac0d9176SVlad Buslov if (!next) 1606ac0d9176SVlad Buslov return next; 1607ac0d9176SVlad Buslov 1608ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1609ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1610ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1611ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1612ac0d9176SVlad Buslov e = next; 1613ac0d9176SVlad Buslov goto retry; 1614ac0d9176SVlad Buslov } 1615ac0d9176SVlad Buslov 1616ac0d9176SVlad Buslov return next; 1617ac0d9176SVlad Buslov } 1618ac0d9176SVlad Buslov 1619f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1620f6dfb4c3SHadar Hen Zion { 1621f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1622ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1623f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1624f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1625f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1626f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1627f6dfb4c3SHadar Hen Zion struct neighbour *n; 162890bb7692SAriel Levkovich u64 lastuse; 1629f6dfb4c3SHadar Hen Zion 1630f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1631f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1632f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1633f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 16345cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1635f6dfb4c3SHadar Hen Zion #endif 1636f6dfb4c3SHadar Hen Zion else 1637f6dfb4c3SHadar Hen Zion return; 1638f6dfb4c3SHadar Hen Zion 1639ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1640ac0d9176SVlad Buslov * next one. 1641ac0d9176SVlad Buslov */ 1642ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 16436a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 16445a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 16456a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 16466a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1647948993f2SVlad Buslov 16486a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 16496a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 16505a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 165179baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 165279baaec7SEli Britstein encaps[efi->index]); 16535a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 16545a7e5bcbSVlad Buslov continue; 16556a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 16565a7e5bcbSVlad Buslov 1657226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1658b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 165990bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1660f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1661f6dfb4c3SHadar Hen Zion neigh_used = true; 1662f6dfb4c3SHadar Hen Zion break; 1663f6dfb4c3SHadar Hen Zion } 1664f6dfb4c3SHadar Hen Zion } 1665f6dfb4c3SHadar Hen Zion } 16666a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1667948993f2SVlad Buslov 16686a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1669ac0d9176SVlad Buslov if (neigh_used) { 1670ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 16716a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1672e36d4810SRoi Dayan break; 1673f6dfb4c3SHadar Hen Zion } 1674ac0d9176SVlad Buslov } 1675f6dfb4c3SHadar Hen Zion 1676c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1677c786fe59SVlad Buslov 1678f6dfb4c3SHadar Hen Zion if (neigh_used) { 1679f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1680f6dfb4c3SHadar Hen Zion 1681f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1682f6dfb4c3SHadar Hen Zion * dst ip pair 1683f6dfb4c3SHadar Hen Zion */ 1684f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1685c7f7ba8dSRoi Dayan if (!n) 1686f6dfb4c3SHadar Hen Zion return; 1687f6dfb4c3SHadar Hen Zion 1688f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1689f6dfb4c3SHadar Hen Zion neigh_release(n); 1690f6dfb4c3SHadar Hen Zion } 1691f6dfb4c3SHadar Hen Zion } 1692f6dfb4c3SHadar Hen Zion 169361086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1694d85cdccbSOr Gerlitz { 1695948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 16963c140dd5SVlad Buslov 16973c140dd5SVlad Buslov if (e->compl_result > 0) { 1698232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1699232c0013SHadar Hen Zion 1700232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 17012b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 17023c140dd5SVlad Buslov } 1703232c0013SHadar Hen Zion 17042a4b6526SVlad Buslov kfree(e->tun_info); 1705232c0013SHadar Hen Zion kfree(e->encap_header); 1706ac0d9176SVlad Buslov kfree_rcu(e, rcu); 17075067b602SRoi Dayan } 1708948993f2SVlad Buslov 170914e6b038SEli Cohen static void mlx5e_decap_dealloc(struct mlx5e_priv *priv, 171014e6b038SEli Cohen struct mlx5e_decap_entry *d) 171114e6b038SEli Cohen { 171214e6b038SEli Cohen WARN_ON(!list_empty(&d->flows)); 171314e6b038SEli Cohen 171414e6b038SEli Cohen if (!d->compl_result) 171514e6b038SEli Cohen mlx5_packet_reformat_dealloc(priv->mdev, d->pkt_reformat); 171614e6b038SEli Cohen 171714e6b038SEli Cohen kfree_rcu(d, rcu); 171814e6b038SEli Cohen } 171914e6b038SEli Cohen 172061086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 172161086f39SVlad Buslov { 172261086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 172361086f39SVlad Buslov 172461086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 172561086f39SVlad Buslov return; 172661086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 172761086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 172861086f39SVlad Buslov 172961086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 173061086f39SVlad Buslov } 173161086f39SVlad Buslov 173214e6b038SEli Cohen static void mlx5e_decap_put(struct mlx5e_priv *priv, struct mlx5e_decap_entry *d) 173314e6b038SEli Cohen { 173414e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 173514e6b038SEli Cohen 173614e6b038SEli Cohen if (!refcount_dec_and_mutex_lock(&d->refcnt, &esw->offloads.decap_tbl_lock)) 173714e6b038SEli Cohen return; 173814e6b038SEli Cohen hash_del_rcu(&d->hlist); 173914e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 174014e6b038SEli Cohen 174114e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 174214e6b038SEli Cohen } 174314e6b038SEli Cohen 1744948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1745948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1746948993f2SVlad Buslov { 174761086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 174861086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 174961086f39SVlad Buslov 1750948993f2SVlad Buslov /* flow wasn't fully initialized */ 175161086f39SVlad Buslov if (!e) 1752948993f2SVlad Buslov return; 1753948993f2SVlad Buslov 175461086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1755948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1756948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 175761086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 175861086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 175961086f39SVlad Buslov return; 176061086f39SVlad Buslov } 176161086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 176261086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 176361086f39SVlad Buslov 176461086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 17655067b602SRoi Dayan } 17665067b602SRoi Dayan 176714e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 176814e6b038SEli Cohen struct mlx5e_tc_flow *flow) 176914e6b038SEli Cohen { 177014e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 177114e6b038SEli Cohen struct mlx5e_decap_entry *d = flow->decap_reformat; 177214e6b038SEli Cohen 177314e6b038SEli Cohen if (!d) 177414e6b038SEli Cohen return; 177514e6b038SEli Cohen 177614e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 177714e6b038SEli Cohen list_del(&flow->l3_to_l2_reformat); 177814e6b038SEli Cohen flow->decap_reformat = NULL; 177914e6b038SEli Cohen 178014e6b038SEli Cohen if (!refcount_dec_and_test(&d->refcnt)) { 178114e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 178214e6b038SEli Cohen return; 178314e6b038SEli Cohen } 178414e6b038SEli Cohen hash_del_rcu(&d->hlist); 178514e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 178614e6b038SEli Cohen 178714e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 178814e6b038SEli Cohen } 178914e6b038SEli Cohen 179004de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 179104de7ddaSRoi Dayan { 179204de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 179304de7ddaSRoi Dayan 1794226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1795226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 179604de7ddaSRoi Dayan return; 179704de7ddaSRoi Dayan 179804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 179904de7ddaSRoi Dayan list_del(&flow->peer); 180004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 180104de7ddaSRoi Dayan 1802226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 180304de7ddaSRoi Dayan 1804eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 180504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1806a23dae79SRoi Dayan kfree(flow->peer_flow); 1807eb252c3aSRoi Dayan } 1808eb252c3aSRoi Dayan 180904de7ddaSRoi Dayan flow->peer_flow = NULL; 181004de7ddaSRoi Dayan } 181104de7ddaSRoi Dayan 181204de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 181304de7ddaSRoi Dayan { 181404de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 181504de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 181604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 181704de7ddaSRoi Dayan 181804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 181904de7ddaSRoi Dayan if (!peer_esw) 182004de7ddaSRoi Dayan return; 182104de7ddaSRoi Dayan 182204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 182304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 182404de7ddaSRoi Dayan } 182504de7ddaSRoi Dayan 1826e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1827961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1828e8f887acSAmir Vadai { 1829226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 183004de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1831d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 183204de7ddaSRoi Dayan } else { 1833d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1834e8f887acSAmir Vadai } 183504de7ddaSRoi Dayan } 1836e8f887acSAmir Vadai 18370a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1838bbd00f7eSHadar Hen Zion { 1839f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18400a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 18410a7fcb78SPaul Blakey const struct flow_action_entry *act; 18420a7fcb78SPaul Blakey int i; 1843bbd00f7eSHadar Hen Zion 18440a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 18450a7fcb78SPaul Blakey switch (act->id) { 18460a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 18470a7fcb78SPaul Blakey return true; 18480a7fcb78SPaul Blakey default: 18490a7fcb78SPaul Blakey continue; 1850fe1587a7SDmytro Linkin } 18512e72eb43SOr Gerlitz } 1852bbd00f7eSHadar Hen Zion 18530a7fcb78SPaul Blakey return false; 18540a7fcb78SPaul Blakey } 1855bcef735cSOr Gerlitz 18560a7fcb78SPaul Blakey static int 18570a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 18580a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 18590a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 18600a7fcb78SPaul Blakey bool *dont_care) 18610a7fcb78SPaul Blakey { 18620a7fcb78SPaul Blakey struct geneve_opt *opt; 18630a7fcb78SPaul Blakey int off = 0; 1864bcef735cSOr Gerlitz 18650a7fcb78SPaul Blakey *dont_care = true; 1866bcef735cSOr Gerlitz 18670a7fcb78SPaul Blakey while (opts->len > off) { 18680a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1869e98bedf5SEli Britstein 18700a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 18710a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 18720a7fcb78SPaul Blakey *dont_care = false; 18730a7fcb78SPaul Blakey 18740a7fcb78SPaul Blakey if (opt->opt_class != U16_MAX || 1875d7a42ad0SRoi Dayan opt->type != U8_MAX) { 18760a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 18770a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 18780a7fcb78SPaul Blakey netdev_warn(priv->netdev, 18790a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1880e98bedf5SEli Britstein return -EOPNOTSUPP; 1881e98bedf5SEli Britstein } 1882bcef735cSOr Gerlitz } 1883bcef735cSOr Gerlitz 18840a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1885bbd00f7eSHadar Hen Zion } 1886bbd00f7eSHadar Hen Zion 1887bbd00f7eSHadar Hen Zion return 0; 1888bbd00f7eSHadar Hen Zion } 1889bbd00f7eSHadar Hen Zion 18900a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 18910a7fcb78SPaul Blakey ({ \ 18920a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 18930a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 18940a7fcb78SPaul Blakey \ 18950a7fcb78SPaul Blakey memcpy(__dst,\ 18960a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 18970a7fcb78SPaul Blakey diss_key,\ 18980a7fcb78SPaul Blakey __rule->match.key),\ 18990a7fcb78SPaul Blakey sizeof(*__dst));\ 19000a7fcb78SPaul Blakey }) 19010a7fcb78SPaul Blakey 19020a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 19030a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19040a7fcb78SPaul Blakey struct flow_cls_offload *f, 19050a7fcb78SPaul Blakey struct net_device *filter_dev) 19068377629eSEli Britstein { 19070a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 19080a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19090a7fcb78SPaul Blakey struct mlx5_esw_flow_attr *attr = flow->esw_attr; 19100a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 19110a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1912d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 19130a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 19140a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 19150a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 19160a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 19170a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 19180a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 19190a7fcb78SPaul Blakey u32 value, mask; 19200a7fcb78SPaul Blakey int err; 19210a7fcb78SPaul Blakey 19220a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 19230a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 19240a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 19250a7fcb78SPaul Blakey 19260a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 19270a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 19280a7fcb78SPaul Blakey &tunnel_key.enc_control); 19290a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 19300a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 19310a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 19320a7fcb78SPaul Blakey else 19330a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 19340a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 19350a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 19360a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 19370a7fcb78SPaul Blakey &tunnel_key.enc_tp); 19380a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 19390a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 19400a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 19410a7fcb78SPaul Blakey 19420a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 19430a7fcb78SPaul Blakey if (err) 19440a7fcb78SPaul Blakey return err; 19450a7fcb78SPaul Blakey 19460a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 19470a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 19480a7fcb78SPaul Blakey enc_opts_match.mask, 19490a7fcb78SPaul Blakey extack, 19500a7fcb78SPaul Blakey &enc_opts_is_dont_care); 19510a7fcb78SPaul Blakey if (err) 19520a7fcb78SPaul Blakey goto err_enc_opts; 19530a7fcb78SPaul Blakey 19540a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1955d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1956d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1957d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1958d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1959d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1960d7a42ad0SRoi Dayan 19610a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1962d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 19630a7fcb78SPaul Blakey if (err) 19640a7fcb78SPaul Blakey goto err_enc_opts; 19650a7fcb78SPaul Blakey } 19660a7fcb78SPaul Blakey 19670a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 19680a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 19690a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 19700a7fcb78SPaul Blakey 19710a7fcb78SPaul Blakey if (attr->chain) { 19720a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 19730a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 19740a7fcb78SPaul Blakey } else { 19750a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 19760a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 19770a7fcb78SPaul Blakey mod_hdr_acts, 19780a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 19790a7fcb78SPaul Blakey if (err) 19800a7fcb78SPaul Blakey goto err_set; 19810a7fcb78SPaul Blakey 19820a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 19830a7fcb78SPaul Blakey } 19840a7fcb78SPaul Blakey 19850a7fcb78SPaul Blakey flow->tunnel_id = value; 19860a7fcb78SPaul Blakey return 0; 19870a7fcb78SPaul Blakey 19880a7fcb78SPaul Blakey err_set: 19890a7fcb78SPaul Blakey if (enc_opts_id) 19900a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19910a7fcb78SPaul Blakey enc_opts_id); 19920a7fcb78SPaul Blakey err_enc_opts: 19930a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19940a7fcb78SPaul Blakey return err; 19950a7fcb78SPaul Blakey } 19960a7fcb78SPaul Blakey 19970a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 19980a7fcb78SPaul Blakey { 19990a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 20000a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 20010a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 20020a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 20030a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 20040a7fcb78SPaul Blakey 20050a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 20060a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 20070a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 20080a7fcb78SPaul Blakey 20090a7fcb78SPaul Blakey if (tun_id) 20100a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 20110a7fcb78SPaul Blakey if (enc_opts_id) 20120a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 20130a7fcb78SPaul Blakey enc_opts_id); 20140a7fcb78SPaul Blakey } 20150a7fcb78SPaul Blakey 20164c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 20174c3844d9SPaul Blakey { 20184c3844d9SPaul Blakey return flow->tunnel_id; 20194c3844d9SPaul Blakey } 20204c3844d9SPaul Blakey 20210a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 20220a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 20230a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 20240a7fcb78SPaul Blakey struct flow_cls_offload *f, 20250a7fcb78SPaul Blakey struct net_device *filter_dev, 20260a7fcb78SPaul Blakey u8 *match_level, 20270a7fcb78SPaul Blakey bool *match_inner) 20280a7fcb78SPaul Blakey { 20290a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20300a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 20310a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 20320a7fcb78SPaul Blakey int err; 20330a7fcb78SPaul Blakey 20340a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 20350a7fcb78SPaul Blakey return -EOPNOTSUPP; 20360a7fcb78SPaul Blakey 20370a7fcb78SPaul Blakey needs_mapping = !!flow->esw_attr->chain; 20380a7fcb78SPaul Blakey sets_mapping = !flow->esw_attr->chain && flow_has_tc_fwd_action(f); 20390a7fcb78SPaul Blakey *match_inner = !needs_mapping; 20400a7fcb78SPaul Blakey 20410a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2042636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 20430a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 2044636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 20450a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2046636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 20470a7fcb78SPaul Blakey return -EOPNOTSUPP; 20480a7fcb78SPaul Blakey } 20490a7fcb78SPaul Blakey 20500a7fcb78SPaul Blakey if (!flow->esw_attr->chain) { 20510a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 20520a7fcb78SPaul Blakey match_level); 20530a7fcb78SPaul Blakey if (err) { 20540a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 20550a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 20560a7fcb78SPaul Blakey netdev_warn(priv->netdev, 20570a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 20580a7fcb78SPaul Blakey return err; 20590a7fcb78SPaul Blakey } 20600a7fcb78SPaul Blakey 206114e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 206214e6b038SEli Cohen * object 206314e6b038SEli Cohen */ 206414e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 20650a7fcb78SPaul Blakey flow->esw_attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 20660a7fcb78SPaul Blakey } 20670a7fcb78SPaul Blakey 20680a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 20690a7fcb78SPaul Blakey return 0; 20700a7fcb78SPaul Blakey 20710a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 20720a7fcb78SPaul Blakey } 20730a7fcb78SPaul Blakey 20740a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 20750a7fcb78SPaul Blakey { 20760a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20770a7fcb78SPaul Blakey inner_headers); 20780a7fcb78SPaul Blakey } 20790a7fcb78SPaul Blakey 20800a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 20810a7fcb78SPaul Blakey { 20820a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20830a7fcb78SPaul Blakey inner_headers); 20840a7fcb78SPaul Blakey } 20850a7fcb78SPaul Blakey 20860a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 20870a7fcb78SPaul Blakey { 20880a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20890a7fcb78SPaul Blakey outer_headers); 20900a7fcb78SPaul Blakey } 20910a7fcb78SPaul Blakey 20920a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 20930a7fcb78SPaul Blakey { 20940a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20958377629eSEli Britstein outer_headers); 20968377629eSEli Britstein } 20978377629eSEli Britstein 20988377629eSEli Britstein static void *get_match_headers_value(u32 flags, 20998377629eSEli Britstein struct mlx5_flow_spec *spec) 21008377629eSEli Britstein { 21018377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 21020a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 21030a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 21040a7fcb78SPaul Blakey } 21050a7fcb78SPaul Blakey 21060a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 21070a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 21080a7fcb78SPaul Blakey { 21090a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 21100a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 21110a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 21128377629eSEli Britstein } 21138377629eSEli Britstein 21146d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 21156d65bc64Swenxu struct flow_cls_offload *f) 21166d65bc64Swenxu { 21176d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21186d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 21196d65bc64Swenxu struct net_device *ingress_dev; 21206d65bc64Swenxu struct flow_match_meta match; 21216d65bc64Swenxu 21226d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 21236d65bc64Swenxu return 0; 21246d65bc64Swenxu 21256d65bc64Swenxu flow_rule_match_meta(rule, &match); 21266d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 21276d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 21286d65bc64Swenxu return -EINVAL; 21296d65bc64Swenxu } 21306d65bc64Swenxu 21316d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 21326d65bc64Swenxu match.key->ingress_ifindex); 21336d65bc64Swenxu if (!ingress_dev) { 21346d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 21356d65bc64Swenxu "Can't find the ingress port to match on"); 21366d65bc64Swenxu return -EINVAL; 21376d65bc64Swenxu } 21386d65bc64Swenxu 21396d65bc64Swenxu if (ingress_dev != filter_dev) { 21406d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 21416d65bc64Swenxu "Can't match on the ingress filter port"); 21426d65bc64Swenxu return -EINVAL; 21436d65bc64Swenxu } 21446d65bc64Swenxu 21456d65bc64Swenxu return 0; 21466d65bc64Swenxu } 21476d65bc64Swenxu 214872046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 214972046a91SEli Cohen struct flow_cls_offload *f) 215072046a91SEli Cohen { 215172046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 215272046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 215372046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 215472046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 215572046a91SEli Cohen */ 215672046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 215772046a91SEli Cohen return true; 215872046a91SEli Cohen 215972046a91SEli Cohen return false; 216072046a91SEli Cohen } 216172046a91SEli Cohen 2162de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 21630a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2164de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2165f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 216654c177caSOz Shlomo struct net_device *filter_dev, 216793b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2168e3a2b7edSAmir Vadai { 2169e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2170c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2171c5bb1730SMaor Gottlieb outer_headers); 2172c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2173c5bb1730SMaor Gottlieb outer_headers); 2174699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2175699e96ddSJianbo Liu misc_parameters); 2176699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2177699e96ddSJianbo Liu misc_parameters); 2178f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21798f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2180e3a2b7edSAmir Vadai u16 addr_type = 0; 2181e3a2b7edSAmir Vadai u8 ip_proto = 0; 218293b3586eSHuy Nguyen u8 *match_level; 21836d65bc64Swenxu int err; 2184e3a2b7edSAmir Vadai 218593b3586eSHuy Nguyen match_level = outer_match_level; 2186de0af0bfSRoi Dayan 21878f256622SPablo Neira Ayuso if (dissector->used_keys & 21883d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 21893d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2190e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2191e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2192095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2193699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2194e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2195e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2196bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2197bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2198bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2199bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2200bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2201e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2202fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2203bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 22044c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 22059272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 220672046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 220772046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2208e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 2209e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 22108f256622SPablo Neira Ayuso dissector->used_keys); 2211e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2212e3a2b7edSAmir Vadai } 2213e3a2b7edSAmir Vadai 2214075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 22150a7fcb78SPaul Blakey bool match_inner = false; 2216bbd00f7eSHadar Hen Zion 22170a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 22180a7fcb78SPaul Blakey outer_match_level, &match_inner); 22190a7fcb78SPaul Blakey if (err) 22200a7fcb78SPaul Blakey return err; 22210a7fcb78SPaul Blakey 22220a7fcb78SPaul Blakey if (match_inner) { 22230a7fcb78SPaul Blakey /* header pointers should point to the inner headers 22240a7fcb78SPaul Blakey * if the packet was decapsulated already. 22250a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2226bbd00f7eSHadar Hen Zion */ 222793b3586eSHuy Nguyen match_level = inner_match_level; 22280a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 22290a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 22300a7fcb78SPaul Blakey } 2231bbd00f7eSHadar Hen Zion } 2232bbd00f7eSHadar Hen Zion 22336d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 22346d65bc64Swenxu if (err) 22356d65bc64Swenxu return err; 22366d65bc64Swenxu 223772046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 223872046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 22398f256622SPablo Neira Ayuso struct flow_match_basic match; 2240e3a2b7edSAmir Vadai 22418f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 22428f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 22438f256622SPablo Neira Ayuso ntohs(match.mask->n_proto)); 22448f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 22458f256622SPablo Neira Ayuso ntohs(match.key->n_proto)); 22468f256622SPablo Neira Ayuso 22478f256622SPablo Neira Ayuso if (match.mask->n_proto) 2248d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2249e3a2b7edSAmir Vadai } 225035a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 225135a605dbSEli Britstein is_vlan_dev(filter_dev)) { 225235a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 225335a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 22548f256622SPablo Neira Ayuso struct flow_match_vlan match; 22558f256622SPablo Neira Ayuso 225635a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 225735a605dbSEli Britstein match.key = &filter_dev_key; 225835a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 225935a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 226035a605dbSEli Britstein match.key->vlan_priority = 0; 226135a605dbSEli Britstein match.mask = &filter_dev_mask; 226235a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 226335a605dbSEli Britstein match.mask->vlan_priority = 0; 226435a605dbSEli Britstein } else { 22658f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 226635a605dbSEli Britstein } 22678f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22688f256622SPablo Neira Ayuso match.mask->vlan_priority || 22698f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 22708f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2271699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2272699e96ddSJianbo Liu svlan_tag, 1); 2273699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2274699e96ddSJianbo Liu svlan_tag, 1); 2275699e96ddSJianbo Liu } else { 2276699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2277699e96ddSJianbo Liu cvlan_tag, 1); 2278699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2279699e96ddSJianbo Liu cvlan_tag, 1); 2280699e96ddSJianbo Liu } 2281095b6cfdSOr Gerlitz 22828f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 22838f256622SPablo Neira Ayuso match.mask->vlan_id); 22848f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 22858f256622SPablo Neira Ayuso match.key->vlan_id); 2286358d79a4SOr Gerlitz 22878f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 22888f256622SPablo Neira Ayuso match.mask->vlan_priority); 22898f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 22908f256622SPablo Neira Ayuso match.key->vlan_priority); 229154782900SOr Gerlitz 2292d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2293095b6cfdSOr Gerlitz } 2294d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2295fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2296fc603294SMark Bloch * disabled in match value means both S & C tags 2297fc603294SMark Bloch * don't exist (untagged of both) 2298fc603294SMark Bloch */ 2299cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2300d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2301095b6cfdSOr Gerlitz } 2302095b6cfdSOr Gerlitz 23038f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 23048f256622SPablo Neira Ayuso struct flow_match_vlan match; 23058f256622SPablo Neira Ayuso 230612d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 23078f256622SPablo Neira Ayuso if (match.mask->vlan_id || 23088f256622SPablo Neira Ayuso match.mask->vlan_priority || 23098f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 23108f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2311699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2312699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2313699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2314699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2315699e96ddSJianbo Liu } else { 2316699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2317699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2318699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2319699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2320699e96ddSJianbo Liu } 2321699e96ddSJianbo Liu 2322699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 23238f256622SPablo Neira Ayuso match.mask->vlan_id); 2324699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 23258f256622SPablo Neira Ayuso match.key->vlan_id); 2326699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 23278f256622SPablo Neira Ayuso match.mask->vlan_priority); 2328699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 23298f256622SPablo Neira Ayuso match.key->vlan_priority); 2330699e96ddSJianbo Liu 2331699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 2332699e96ddSJianbo Liu } 2333699e96ddSJianbo Liu } 2334699e96ddSJianbo Liu 23358f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 23368f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 233754782900SOr Gerlitz 23388f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2339d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2340d3a80bb5SOr Gerlitz dmac_47_16), 23418f256622SPablo Neira Ayuso match.mask->dst); 2342d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2343d3a80bb5SOr Gerlitz dmac_47_16), 23448f256622SPablo Neira Ayuso match.key->dst); 2345d3a80bb5SOr Gerlitz 2346d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2347d3a80bb5SOr Gerlitz smac_47_16), 23488f256622SPablo Neira Ayuso match.mask->src); 2349d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2350d3a80bb5SOr Gerlitz smac_47_16), 23518f256622SPablo Neira Ayuso match.key->src); 2352d3a80bb5SOr Gerlitz 23538f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 23548f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2355d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 235654782900SOr Gerlitz } 235754782900SOr Gerlitz 23588f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 23598f256622SPablo Neira Ayuso struct flow_match_control match; 236054782900SOr Gerlitz 23618f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 23628f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 236354782900SOr Gerlitz 236454782900SOr Gerlitz /* the HW doesn't support frag first/later */ 23658f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 236654782900SOr Gerlitz return -EOPNOTSUPP; 236754782900SOr Gerlitz 23688f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 236954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 237054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 23718f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 237254782900SOr Gerlitz 237354782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 23748f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 237583621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 237654782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 237754782900SOr Gerlitz else 237883621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 237954782900SOr Gerlitz } 238054782900SOr Gerlitz } 238154782900SOr Gerlitz 23828f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 23838f256622SPablo Neira Ayuso struct flow_match_basic match; 23848f256622SPablo Neira Ayuso 23858f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 23868f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 238754782900SOr Gerlitz 238854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 23898f256622SPablo Neira Ayuso match.mask->ip_proto); 239054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 23918f256622SPablo Neira Ayuso match.key->ip_proto); 239254782900SOr Gerlitz 23938f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2394d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 239554782900SOr Gerlitz } 239654782900SOr Gerlitz 2397e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 23988f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2399e3a2b7edSAmir Vadai 24008f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2401e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2402e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 24038f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2404e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2405e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 24068f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2407e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2408e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 24098f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2410e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2411e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 24128f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2413de0af0bfSRoi Dayan 24148f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2415d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2416e3a2b7edSAmir Vadai } 2417e3a2b7edSAmir Vadai 2418e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 24198f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2420e3a2b7edSAmir Vadai 24218f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2422e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2423e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24248f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2425e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2426e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24278f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2428e3a2b7edSAmir Vadai 2429e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2430e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24318f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2432e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2433e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24348f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2435de0af0bfSRoi Dayan 24368f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 24378f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2438d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2439e3a2b7edSAmir Vadai } 2440e3a2b7edSAmir Vadai 24418f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 24428f256622SPablo Neira Ayuso struct flow_match_ip match; 24431f97a526SOr Gerlitz 24448f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 24458f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 24468f256622SPablo Neira Ayuso match.mask->tos & 0x3); 24478f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 24488f256622SPablo Neira Ayuso match.key->tos & 0x3); 24491f97a526SOr Gerlitz 24508f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 24518f256622SPablo Neira Ayuso match.mask->tos >> 2); 24528f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 24538f256622SPablo Neira Ayuso match.key->tos >> 2); 24541f97a526SOr Gerlitz 24558f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 24568f256622SPablo Neira Ayuso match.mask->ttl); 24578f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 24588f256622SPablo Neira Ayuso match.key->ttl); 24591f97a526SOr Gerlitz 24608f256622SPablo Neira Ayuso if (match.mask->ttl && 2461a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2462e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2463e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2464e98bedf5SEli Britstein "Matching on TTL is not supported"); 24651f97a526SOr Gerlitz return -EOPNOTSUPP; 2466e98bedf5SEli Britstein } 2467a8ade55fSOr Gerlitz 24688f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2469d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 24701f97a526SOr Gerlitz } 24711f97a526SOr Gerlitz 247254782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 247354782900SOr Gerlitz 24748f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 24758f256622SPablo Neira Ayuso struct flow_match_ports match; 24768f256622SPablo Neira Ayuso 24778f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2478e3a2b7edSAmir Vadai switch (ip_proto) { 2479e3a2b7edSAmir Vadai case IPPROTO_TCP: 2480e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24818f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2482e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24838f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2484e3a2b7edSAmir Vadai 2485e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24868f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2487e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24888f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2489e3a2b7edSAmir Vadai break; 2490e3a2b7edSAmir Vadai 2491e3a2b7edSAmir Vadai case IPPROTO_UDP: 2492e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24938f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2494e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24958f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2496e3a2b7edSAmir Vadai 2497e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24988f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2499e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25008f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2501e3a2b7edSAmir Vadai break; 2502e3a2b7edSAmir Vadai default: 2503e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2504e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2505e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2506e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2507e3a2b7edSAmir Vadai return -EINVAL; 2508e3a2b7edSAmir Vadai } 2509de0af0bfSRoi Dayan 25108f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2511d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2512e3a2b7edSAmir Vadai } 2513e3a2b7edSAmir Vadai 25148f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 25158f256622SPablo Neira Ayuso struct flow_match_tcp match; 2516e77834ecSOr Gerlitz 25178f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2518e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 25198f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2520e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 25218f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2522e77834ecSOr Gerlitz 25238f256622SPablo Neira Ayuso if (match.mask->flags) 2524d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2525e77834ecSOr Gerlitz } 2526e77834ecSOr Gerlitz 2527e3a2b7edSAmir Vadai return 0; 2528e3a2b7edSAmir Vadai } 2529e3a2b7edSAmir Vadai 2530de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 253165ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2532de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2533f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 253454c177caSOz Shlomo struct net_device *filter_dev) 2535de0af0bfSRoi Dayan { 253693b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2537e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2538de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2539de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 25401d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 25411d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2542226f2ca3SVlad Buslov bool is_eswitch_flow; 2543de0af0bfSRoi Dayan int err; 2544de0af0bfSRoi Dayan 254593b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 254693b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 254793b3586eSHuy Nguyen 25480a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 25490a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 255093b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 255193b3586eSHuy Nguyen outer_match_level : inner_match_level; 2552de0af0bfSRoi Dayan 2553226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2554226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 25551d447a39SSaeed Mahameed rep = rpriv->rep; 2556b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 25571d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 255893b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2559e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2560e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2561de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2562de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 256393b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2564de0af0bfSRoi Dayan return -EOPNOTSUPP; 2565de0af0bfSRoi Dayan } 2566de0af0bfSRoi Dayan } 2567de0af0bfSRoi Dayan 2568226f2ca3SVlad Buslov if (is_eswitch_flow) { 256993b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 257093b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 25716363651dSOr Gerlitz } else { 257293b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 25736363651dSOr Gerlitz } 257438aa51c1SOr Gerlitz 2575de0af0bfSRoi Dayan return err; 2576de0af0bfSRoi Dayan } 2577de0af0bfSRoi Dayan 2578d79b6df6SOr Gerlitz struct pedit_headers { 2579d79b6df6SOr Gerlitz struct ethhdr eth; 25800eb69bb9SEli Britstein struct vlan_hdr vlan; 2581d79b6df6SOr Gerlitz struct iphdr ip4; 2582d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2583d79b6df6SOr Gerlitz struct tcphdr tcp; 2584d79b6df6SOr Gerlitz struct udphdr udp; 2585d79b6df6SOr Gerlitz }; 2586d79b6df6SOr Gerlitz 2587c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2588c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2589c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2590c500c86bSPablo Neira Ayuso u32 pedits; 2591c500c86bSPablo Neira Ayuso }; 2592c500c86bSPablo Neira Ayuso 2593d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 259473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 259573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 259673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 259773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 259873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2599d79b6df6SOr Gerlitz }; 2600d79b6df6SOr Gerlitz 2601d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2602d79b6df6SOr Gerlitz 2603d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2604c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2605d79b6df6SOr Gerlitz { 2606d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2607d79b6df6SOr Gerlitz 2608c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2609c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2610d79b6df6SOr Gerlitz 2611d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2612d79b6df6SOr Gerlitz goto out_err; 2613d79b6df6SOr Gerlitz 2614d79b6df6SOr Gerlitz *curr_pmask |= mask; 2615d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2616d79b6df6SOr Gerlitz 2617d79b6df6SOr Gerlitz return 0; 2618d79b6df6SOr Gerlitz 2619d79b6df6SOr Gerlitz out_err: 2620d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2621d79b6df6SOr Gerlitz } 2622d79b6df6SOr Gerlitz 2623d79b6df6SOr Gerlitz struct mlx5_fields { 2624d79b6df6SOr Gerlitz u8 field; 262588f30bbcSDmytro Linkin u8 field_bsize; 262688f30bbcSDmytro Linkin u32 field_mask; 2627d79b6df6SOr Gerlitz u32 offset; 262827c11b6bSEli Britstein u32 match_offset; 2629d79b6df6SOr Gerlitz }; 2630d79b6df6SOr Gerlitz 263188f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 263288f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 263327c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 263427c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 263527c11b6bSEli Britstein 26362ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 26372ef86872SEli Britstein * match. 26382ef86872SEli Britstein */ 26392ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 26402ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 26412ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 26422ef86872SEli Britstein type maskx = *(type *)(maskp); \ 26432ef86872SEli Britstein type valx = *(type *)(valp); \ 26442ef86872SEli Britstein \ 26452ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 26462ef86872SEli Britstein matchmaskx)); \ 26472ef86872SEli Britstein }) 26482ef86872SEli Britstein 264927c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 265088f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 265127c11b6bSEli Britstein { 265227c11b6bSEli Britstein bool same = false; 265327c11b6bSEli Britstein 265488f30bbcSDmytro Linkin switch (bsize) { 265588f30bbcSDmytro Linkin case 8: 26562ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 265727c11b6bSEli Britstein break; 265888f30bbcSDmytro Linkin case 16: 26592ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 266027c11b6bSEli Britstein break; 266188f30bbcSDmytro Linkin case 32: 26622ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 266327c11b6bSEli Britstein break; 266427c11b6bSEli Britstein } 266527c11b6bSEli Britstein 266627c11b6bSEli Britstein return same; 266727c11b6bSEli Britstein } 2668a8e4f0c4SOr Gerlitz 2669d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 267088f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 267188f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 267288f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 267388f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 267488f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 267588f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2676d79b6df6SOr Gerlitz 2677ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 267888f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 267988f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 268088f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2681d79b6df6SOr Gerlitz 268288f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 268327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 268488f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 268527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 268688f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 268727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 268888f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 268927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 269088f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 269127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 269288f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 269327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 269488f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 269527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 269688f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 269727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 269888f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2699d79b6df6SOr Gerlitz 270088f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 270188f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 270288f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 270388f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2704d79b6df6SOr Gerlitz 270588f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 270688f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2707d79b6df6SOr Gerlitz }; 2708d79b6df6SOr Gerlitz 27096ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 27106ae4a6a5SPaul Blakey int namespace, 27116ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2712e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 271327c11b6bSEli Britstein u32 *action_flags, 2714e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2715d79b6df6SOr Gerlitz { 2716d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 27176ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 271888f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 271988f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 27206ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2721d79b6df6SOr Gerlitz struct mlx5_fields *f; 2722d79b6df6SOr Gerlitz unsigned long mask; 27232b64bebaSOr Gerlitz __be32 mask_be32; 27242b64bebaSOr Gerlitz __be16 mask_be16; 27256ae4a6a5SPaul Blakey int err; 272688f30bbcSDmytro Linkin u8 cmd; 272788f30bbcSDmytro Linkin 27286ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 272988f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 273088f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2731d79b6df6SOr Gerlitz 273273867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 273373867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 273473867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 273573867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2736d79b6df6SOr Gerlitz 2737d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2738d79b6df6SOr Gerlitz 2739d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 274027c11b6bSEli Britstein bool skip; 274127c11b6bSEli Britstein 2742d79b6df6SOr Gerlitz f = &fields[i]; 2743d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2744e3ca4e05SOr Gerlitz s_mask = 0; 2745e3ca4e05SOr Gerlitz a_mask = 0; 2746d79b6df6SOr Gerlitz 2747d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2748d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2749d79b6df6SOr Gerlitz 275088f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 275188f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2752d79b6df6SOr Gerlitz 2753d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2754d79b6df6SOr Gerlitz continue; 2755d79b6df6SOr Gerlitz 2756d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2757e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2758e98bedf5SEli Britstein "can't set and add to the same HW field"); 2759d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2760d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2761d79b6df6SOr Gerlitz } 2762d79b6df6SOr Gerlitz 276327c11b6bSEli Britstein skip = false; 2764d79b6df6SOr Gerlitz if (s_mask) { 276527c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 276627c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 276727c11b6bSEli Britstein 2768d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2769d79b6df6SOr Gerlitz mask = s_mask; 2770d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 277127c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 277227c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 277388f30bbcSDmytro Linkin match_mask, f->field_bsize)) 277427c11b6bSEli Britstein skip = true; 2775d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 277688f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2777d79b6df6SOr Gerlitz } else { 2778d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2779d79b6df6SOr Gerlitz mask = a_mask; 2780d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 278127c11b6bSEli Britstein /* add 0 is no change */ 278288f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 278327c11b6bSEli Britstein skip = true; 2784d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 278588f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2786d79b6df6SOr Gerlitz } 278727c11b6bSEli Britstein if (skip) 278827c11b6bSEli Britstein continue; 2789d79b6df6SOr Gerlitz 279088f30bbcSDmytro Linkin if (f->field_bsize == 32) { 2791404402abSSebastian Hense mask_be32 = (__be32)mask; 27922b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 279388f30bbcSDmytro Linkin } else if (f->field_bsize == 16) { 2794404402abSSebastian Hense mask_be32 = (__be32)mask; 2795404402abSSebastian Hense mask_be16 = *(__be16 *)&mask_be32; 27962b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 27972b64bebaSOr Gerlitz } 27982b64bebaSOr Gerlitz 279988f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 280088f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 280188f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 28022b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2803e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2804e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 28052b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2806d79b6df6SOr Gerlitz mask); 2807d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2808d79b6df6SOr Gerlitz } 2809d79b6df6SOr Gerlitz 28106ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 28116ae4a6a5SPaul Blakey if (err) { 28126ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 28136ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 28146ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 28156ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 28166ae4a6a5SPaul Blakey mod_acts->num_actions); 28176ae4a6a5SPaul Blakey return err; 28186ae4a6a5SPaul Blakey } 28196ae4a6a5SPaul Blakey 28206ae4a6a5SPaul Blakey action = mod_acts->actions + 28216ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2822d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2823d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2824d79b6df6SOr Gerlitz 2825d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 282688f30bbcSDmytro Linkin int start; 282788f30bbcSDmytro Linkin 282888f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 282988f30bbcSDmytro Linkin start = find_first_bit((unsigned long *)&f->field_mask, 283088f30bbcSDmytro Linkin f->field_bsize); 283188f30bbcSDmytro Linkin 283288f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2833d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 28342b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2835d79b6df6SOr Gerlitz } 2836d79b6df6SOr Gerlitz 283788f30bbcSDmytro Linkin if (f->field_bsize == 32) 28382b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 283988f30bbcSDmytro Linkin else if (f->field_bsize == 16) 28402b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 284188f30bbcSDmytro Linkin else if (f->field_bsize == 8) 28422b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2843d79b6df6SOr Gerlitz 28446ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2845d79b6df6SOr Gerlitz } 2846d79b6df6SOr Gerlitz 2847d79b6df6SOr Gerlitz return 0; 2848d79b6df6SOr Gerlitz } 2849d79b6df6SOr Gerlitz 28502cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 28512cc1cb1dSTonghao Zhang int namespace) 28522cc1cb1dSTonghao Zhang { 28532cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 28542cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 28552cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 28562cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 28572cc1cb1dSTonghao Zhang } 28582cc1cb1dSTonghao Zhang 28596ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2860c500c86bSPablo Neira Ayuso int namespace, 28616ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2862d79b6df6SOr Gerlitz { 28636ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 28646ae4a6a5SPaul Blakey size_t new_sz, old_sz; 28656ae4a6a5SPaul Blakey void *ret; 2866d79b6df6SOr Gerlitz 28676ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 28686ae4a6a5SPaul Blakey return 0; 28696ae4a6a5SPaul Blakey 2870d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2871d79b6df6SOr Gerlitz 28726ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 28736ae4a6a5SPaul Blakey namespace); 28746ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 28756ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 28766ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 28776ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 28786ae4a6a5SPaul Blakey return -ENOSPC; 2879d79b6df6SOr Gerlitz 28806ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 28816ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 28826ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 28836ae4a6a5SPaul Blakey if (!ret) 2884d79b6df6SOr Gerlitz return -ENOMEM; 2885d79b6df6SOr Gerlitz 28866ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 28876ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 28886ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 28896ae4a6a5SPaul Blakey 2890d79b6df6SOr Gerlitz return 0; 2891d79b6df6SOr Gerlitz } 2892d79b6df6SOr Gerlitz 28936ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 28946ae4a6a5SPaul Blakey { 28956ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 28966ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 28976ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 28986ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 28996ae4a6a5SPaul Blakey } 29006ae4a6a5SPaul Blakey 2901d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2902d79b6df6SOr Gerlitz 2903d79b6df6SOr Gerlitz static int parse_tc_pedit_action(struct mlx5e_priv *priv, 290473867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2905c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2906e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2907d79b6df6SOr Gerlitz { 290873867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 290973867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2910d79b6df6SOr Gerlitz u32 mask, val, offset; 291173867881SPablo Neira Ayuso u8 htype; 2912d79b6df6SOr Gerlitz 291373867881SPablo Neira Ayuso htype = act->mangle.htype; 2914d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2915d79b6df6SOr Gerlitz 291673867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 291773867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2918d79b6df6SOr Gerlitz goto out_err; 2919d79b6df6SOr Gerlitz } 2920d79b6df6SOr Gerlitz 29212cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 29222cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 29232cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 29242cc1cb1dSTonghao Zhang goto out_err; 29252cc1cb1dSTonghao Zhang } 29262cc1cb1dSTonghao Zhang 292773867881SPablo Neira Ayuso mask = act->mangle.mask; 292873867881SPablo Neira Ayuso val = act->mangle.val; 292973867881SPablo Neira Ayuso offset = act->mangle.offset; 2930d79b6df6SOr Gerlitz 2931c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2932d79b6df6SOr Gerlitz if (err) 2933d79b6df6SOr Gerlitz goto out_err; 2934c500c86bSPablo Neira Ayuso 2935c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2936d79b6df6SOr Gerlitz 2937c500c86bSPablo Neira Ayuso return 0; 2938c500c86bSPablo Neira Ayuso out_err: 2939c500c86bSPablo Neira Ayuso return err; 2940c500c86bSPablo Neira Ayuso } 2941c500c86bSPablo Neira Ayuso 2942c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2943c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2944c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 294527c11b6bSEli Britstein u32 *action_flags, 2946c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2947c500c86bSPablo Neira Ayuso { 2948c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2949c500c86bSPablo Neira Ayuso int err; 2950c500c86bSPablo Neira Ayuso u8 cmd; 2951c500c86bSPablo Neira Ayuso 29526ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 29536ae4a6a5SPaul Blakey action_flags, extack); 2954d79b6df6SOr Gerlitz if (err < 0) 2955d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2956d79b6df6SOr Gerlitz 2957d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2958c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2959d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2960e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2961e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2962b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2963d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2964d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2965d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2966d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2967d79b6df6SOr Gerlitz } 2968d79b6df6SOr Gerlitz } 2969d79b6df6SOr Gerlitz 2970d79b6df6SOr Gerlitz return 0; 2971d79b6df6SOr Gerlitz 2972d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 29736ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2974d79b6df6SOr Gerlitz return err; 2975d79b6df6SOr Gerlitz } 2976d79b6df6SOr Gerlitz 2977e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2978e98bedf5SEli Britstein u32 action, 2979e98bedf5SEli Britstein u32 update_flags, 2980e98bedf5SEli Britstein struct netlink_ext_ack *extack) 298126c02749SOr Gerlitz { 298226c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 298326c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 298426c02749SOr Gerlitz 298526c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 298626c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2987e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2988e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 298926c02749SOr Gerlitz netdev_warn(priv->netdev, 299026c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 299126c02749SOr Gerlitz return false; 299226c02749SOr Gerlitz } 299326c02749SOr Gerlitz 299426c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2995e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2996e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 299726c02749SOr Gerlitz netdev_warn(priv->netdev, 299826c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 299926c02749SOr Gerlitz update_flags); 300026c02749SOr Gerlitz return false; 300126c02749SOr Gerlitz } 300226c02749SOr Gerlitz 300326c02749SOr Gerlitz return true; 300426c02749SOr Gerlitz } 300526c02749SOr Gerlitz 30068998576bSDmytro Linkin struct ip_ttl_word { 30078998576bSDmytro Linkin __u8 ttl; 30088998576bSDmytro Linkin __u8 protocol; 30098998576bSDmytro Linkin __sum16 check; 30108998576bSDmytro Linkin }; 30118998576bSDmytro Linkin 30128998576bSDmytro Linkin struct ipv6_hoplimit_word { 30138998576bSDmytro Linkin __be16 payload_len; 30148998576bSDmytro Linkin __u8 nexthdr; 30158998576bSDmytro Linkin __u8 hop_limit; 30168998576bSDmytro Linkin }; 30178998576bSDmytro Linkin 30184c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 30194c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 30204c3844d9SPaul Blakey struct netlink_ext_ack *extack) 30218998576bSDmytro Linkin { 30228998576bSDmytro Linkin u32 mask, offset; 30238998576bSDmytro Linkin u8 htype; 30248998576bSDmytro Linkin 30258998576bSDmytro Linkin htype = act->mangle.htype; 30268998576bSDmytro Linkin offset = act->mangle.offset; 30278998576bSDmytro Linkin mask = ~act->mangle.mask; 30288998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 30298998576bSDmytro Linkin * to determine that modified fields 30308998576bSDmytro Linkin * are NOT ttl & hop_limit only. 30318998576bSDmytro Linkin */ 30328998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 30338998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 30348998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 30358998576bSDmytro Linkin 30368998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 30378998576bSDmytro Linkin ttl_word->protocol || 30388998576bSDmytro Linkin ttl_word->check) { 30394c3844d9SPaul Blakey *modify_ip_header = true; 30404c3844d9SPaul Blakey } 30414c3844d9SPaul Blakey 30424c3844d9SPaul Blakey if (ct_flow && offset >= offsetof(struct iphdr, saddr)) { 30434c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30444c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 30454c3844d9SPaul Blakey return -EOPNOTSUPP; 30468998576bSDmytro Linkin } 30478998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 30488998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 30498998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 30508998576bSDmytro Linkin 30518998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 30528998576bSDmytro Linkin hoplimit_word->payload_len || 30538998576bSDmytro Linkin hoplimit_word->nexthdr) { 30544c3844d9SPaul Blakey *modify_ip_header = true; 30558998576bSDmytro Linkin } 30564c3844d9SPaul Blakey 30574c3844d9SPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) { 30584c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30594c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 30604c3844d9SPaul Blakey return -EOPNOTSUPP; 30618998576bSDmytro Linkin } 30624c3844d9SPaul Blakey } else if (ct_flow && (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 30634c3844d9SPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP)) { 30644c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30654c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 30664c3844d9SPaul Blakey return -EOPNOTSUPP; 30674c3844d9SPaul Blakey } 30684c3844d9SPaul Blakey 30694c3844d9SPaul Blakey return 0; 30708998576bSDmytro Linkin } 30718998576bSDmytro Linkin 3072bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 307373867881SPablo Neira Ayuso struct flow_action *flow_action, 30744c3844d9SPaul Blakey u32 actions, bool ct_flow, 3075e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3076bdd66ac0SOr Gerlitz { 307773867881SPablo Neira Ayuso const struct flow_action_entry *act; 3078bdd66ac0SOr Gerlitz bool modify_ip_header; 3079bdd66ac0SOr Gerlitz void *headers_v; 3080bdd66ac0SOr Gerlitz u16 ethertype; 30818998576bSDmytro Linkin u8 ip_proto; 30824c3844d9SPaul Blakey int i, err; 3083bdd66ac0SOr Gerlitz 30848377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3085bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3086bdd66ac0SOr Gerlitz 3087bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3088bdd66ac0SOr Gerlitz if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3089bdd66ac0SOr Gerlitz goto out_ok; 3090bdd66ac0SOr Gerlitz 3091bdd66ac0SOr Gerlitz modify_ip_header = false; 309273867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 309373867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 309473867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3095bdd66ac0SOr Gerlitz continue; 3096bdd66ac0SOr Gerlitz 30974c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 30984c3844d9SPaul Blakey &modify_ip_header, extack); 30994c3844d9SPaul Blakey if (err) 31004c3844d9SPaul Blakey return err; 3101bdd66ac0SOr Gerlitz } 3102bdd66ac0SOr Gerlitz 3103bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 31041ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 31051ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3106e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3107e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 3108bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 3109bdd66ac0SOr Gerlitz return false; 3110bdd66ac0SOr Gerlitz } 3111bdd66ac0SOr Gerlitz 3112bdd66ac0SOr Gerlitz out_ok: 3113bdd66ac0SOr Gerlitz return true; 3114bdd66ac0SOr Gerlitz } 3115bdd66ac0SOr Gerlitz 3116bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 311773867881SPablo Neira Ayuso struct flow_action *flow_action, 3118bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3119e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3120e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3121bdd66ac0SOr Gerlitz { 3122d0645b37SRoi Dayan bool ct_flow; 3123bdd66ac0SOr Gerlitz u32 actions; 3124bdd66ac0SOr Gerlitz 31254c3844d9SPaul Blakey ct_flow = flow_flag_test(flow, CT); 31264c3844d9SPaul Blakey if (mlx5e_is_eswitch_flow(flow)) { 3127bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 31284c3844d9SPaul Blakey 31294c3844d9SPaul Blakey if (flow->esw_attr->split_count && ct_flow) { 31304c3844d9SPaul Blakey /* All registers used by ct are cleared when using 31314c3844d9SPaul Blakey * split rules. 31324c3844d9SPaul Blakey */ 31334c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31344c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 313549397b80SDan Carpenter return false; 31364c3844d9SPaul Blakey } 31374c3844d9SPaul Blakey } else { 3138bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 31394c3844d9SPaul Blakey } 3140bdd66ac0SOr Gerlitz 3141bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 314273867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 3143a655fe9fSDavid S. Miller flow_action, actions, 31444c3844d9SPaul Blakey ct_flow, extack); 3145bdd66ac0SOr Gerlitz 3146bdd66ac0SOr Gerlitz return true; 3147bdd66ac0SOr Gerlitz } 3148bdd66ac0SOr Gerlitz 31495c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 31505c65c564SOr Gerlitz { 31515c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3152816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 31535c65c564SOr Gerlitz 31545c65c564SOr Gerlitz fmdev = priv->mdev; 31555c65c564SOr Gerlitz pmdev = peer_priv->mdev; 31565c65c564SOr Gerlitz 315759c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 315859c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 31595c65c564SOr Gerlitz 3160816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 31615c65c564SOr Gerlitz } 31625c65c564SOr Gerlitz 3163bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3164bdc837eeSEli Britstein const struct flow_action_entry *act, 3165bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3166bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3167bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3168bdc837eeSEli Britstein { 3169bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3170bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3171bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3172bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3173bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3174bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3175bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3176bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3177bdc837eeSEli Britstein }; 31786fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3179bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3180bdc837eeSEli Britstein int err; 3181bdc837eeSEli Britstein 3182bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3183bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3184bf2f3bcaSEli Britstein 3185bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3186bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3187bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3188bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3189bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3190bf2f3bcaSEli Britstein } 3191bf2f3bcaSEli Britstein 31926fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 31936fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 31946fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 31956fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 31966fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3197bdc837eeSEli Britstein return -EOPNOTSUPP; 3198bdc837eeSEli Britstein } 3199bdc837eeSEli Britstein 3200dec481c8SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, hdrs, NULL); 3201bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3202bdc837eeSEli Britstein 3203bdc837eeSEli Britstein return err; 3204bdc837eeSEli Britstein } 3205bdc837eeSEli Britstein 32060bac1194SEli Britstein static int 32070bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 32080bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 32090bac1194SEli Britstein struct pedit_headers_action *hdrs, 32100bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 32110bac1194SEli Britstein { 32120bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 32130bac1194SEli Britstein .vlan.vid = 0, 32140bac1194SEli Britstein .vlan.prio = 32150bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32160bac1194SEli Britstein get_match_headers_value(*action, 32170bac1194SEli Britstein &parse_attr->spec), 32180bac1194SEli Britstein first_prio) & 32190bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32200bac1194SEli Britstein get_match_headers_criteria(*action, 32210bac1194SEli Britstein &parse_attr->spec), 32220bac1194SEli Britstein first_prio), 32230bac1194SEli Britstein }; 32240bac1194SEli Britstein 32250bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 32260bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 32270bac1194SEli Britstein extack); 32280bac1194SEli Britstein } 32290bac1194SEli Britstein 323073867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 323173867881SPablo Neira Ayuso struct flow_action *flow_action, 3232aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3233e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3234e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3235e3a2b7edSAmir Vadai { 3236aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 323773867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 323873867881SPablo Neira Ayuso const struct flow_action_entry *act; 32391cab1cd7SOr Gerlitz u32 action = 0; 3240244cd96aSCong Wang int err, i; 3241e3a2b7edSAmir Vadai 324273867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3243e3a2b7edSAmir Vadai return -EINVAL; 3244e3a2b7edSAmir Vadai 324553eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 324653eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3247319a1d19SJiri Pirko return -EOPNOTSUPP; 3248319a1d19SJiri Pirko 32493bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3250e3a2b7edSAmir Vadai 325173867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 325273867881SPablo Neira Ayuso switch (act->id) { 325315fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 325415fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 325515fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 325615fc92ecSTonghao Zhang break; 325773867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 32581cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3259aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3260aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 32611cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 326273867881SPablo Neira Ayuso break; 326373867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 326473867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 326573867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3266dec481c8SEli Cohen hdrs, extack); 32672f4fe4caSOr Gerlitz if (err) 32682f4fe4caSOr Gerlitz return err; 32692f4fe4caSOr Gerlitz 32701cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 32712f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 327273867881SPablo Neira Ayuso break; 3273bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3274bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3275bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3276bdc837eeSEli Britstein act, parse_attr, hdrs, 3277bdc837eeSEli Britstein &action, extack); 3278bdc837eeSEli Britstein if (err) 3279bdc837eeSEli Britstein return err; 3280bdc837eeSEli Britstein 3281bdc837eeSEli Britstein break; 328273867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 32831cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 328473867881SPablo Neira Ayuso act->csum_flags, 3285e98bedf5SEli Britstein extack)) 328673867881SPablo Neira Ayuso break; 328726c02749SOr Gerlitz 328826c02749SOr Gerlitz return -EOPNOTSUPP; 328973867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 329073867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 32915c65c564SOr Gerlitz 32925c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 32935c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 329498b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3295226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 32961cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 32975c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 32985c65c564SOr Gerlitz } else { 3299e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3300e98bedf5SEli Britstein "device is not on same HW, can't offload"); 33015c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 33025c65c564SOr Gerlitz peer_dev->name); 33035c65c564SOr Gerlitz return -EINVAL; 33045c65c564SOr Gerlitz } 33055c65c564SOr Gerlitz } 330673867881SPablo Neira Ayuso break; 330773867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 330873867881SPablo Neira Ayuso u32 mark = act->mark; 3309e3a2b7edSAmir Vadai 3310e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3311e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3312e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3313e3a2b7edSAmir Vadai return -EINVAL; 3314e3a2b7edSAmir Vadai } 3315e3a2b7edSAmir Vadai 33163bc4b7bfSOr Gerlitz attr->flow_tag = mark; 33171cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3318e3a2b7edSAmir Vadai } 331973867881SPablo Neira Ayuso break; 332073867881SPablo Neira Ayuso default: 33212cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 33222cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3323e3a2b7edSAmir Vadai } 332473867881SPablo Neira Ayuso } 3325e3a2b7edSAmir Vadai 3326c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3327c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3328c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 332927c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3330c500c86bSPablo Neira Ayuso if (err) 3331c500c86bSPablo Neira Ayuso return err; 333227c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 333327c11b6bSEli Britstein * flag. 333427c11b6bSEli Britstein */ 33356ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 333627c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 33376ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3338e7739a60SEli Britstein } 3339c500c86bSPablo Neira Ayuso } 3340c500c86bSPablo Neira Ayuso 33411cab1cd7SOr Gerlitz attr->action = action; 334273867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3343bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3344bdd66ac0SOr Gerlitz 3345e3a2b7edSAmir Vadai return 0; 3346e3a2b7edSAmir Vadai } 3347e3a2b7edSAmir Vadai 33487f1a546eSEli Britstein struct encap_key { 33491f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 3350d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 33517f1a546eSEli Britstein }; 33527f1a546eSEli Britstein 33537f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 33547f1a546eSEli Britstein struct encap_key *b) 3355a54e20b4SHadar Hen Zion { 33567f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 3357d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 3358a54e20b4SHadar Hen Zion } 3359a54e20b4SHadar Hen Zion 336014e6b038SEli Cohen static inline int cmp_decap_info(struct mlx5e_decap_key *a, 336114e6b038SEli Cohen struct mlx5e_decap_key *b) 336214e6b038SEli Cohen { 336314e6b038SEli Cohen return memcmp(&a->key, &b->key, sizeof(b->key)); 336414e6b038SEli Cohen } 336514e6b038SEli Cohen 33667f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 3367a54e20b4SHadar Hen Zion { 33687f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 3369d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 3370a54e20b4SHadar Hen Zion } 3371a54e20b4SHadar Hen Zion 337214e6b038SEli Cohen static inline int hash_decap_info(struct mlx5e_decap_key *key) 337314e6b038SEli Cohen { 337414e6b038SEli Cohen return jhash(&key->key, sizeof(key->key), 0); 337514e6b038SEli Cohen } 3376a54e20b4SHadar Hen Zion 3377b1d90e6bSRabie Loulou static bool is_merged_eswitch_dev(struct mlx5e_priv *priv, 3378b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3379b1d90e6bSRabie Loulou { 3380b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3381b1d90e6bSRabie Loulou 3382b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3383b1d90e6bSRabie Loulou 3384b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 338568931c7dSRoi Dayan mlx5e_eswitch_rep(priv->netdev) && 338668931c7dSRoi Dayan mlx5e_eswitch_rep(peer_netdev) && 338768931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3388b1d90e6bSRabie Loulou } 3389b1d90e6bSRabie Loulou 3390948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 3391948993f2SVlad Buslov { 3392948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 3393948993f2SVlad Buslov } 3394948993f2SVlad Buslov 339514e6b038SEli Cohen static bool mlx5e_decap_take(struct mlx5e_decap_entry *e) 339614e6b038SEli Cohen { 339714e6b038SEli Cohen return refcount_inc_not_zero(&e->refcnt); 339814e6b038SEli Cohen } 339914e6b038SEli Cohen 3400948993f2SVlad Buslov static struct mlx5e_encap_entry * 3401948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 3402948993f2SVlad Buslov uintptr_t hash_key) 3403948993f2SVlad Buslov { 3404948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3405948993f2SVlad Buslov struct mlx5e_encap_entry *e; 3406948993f2SVlad Buslov struct encap_key e_key; 3407948993f2SVlad Buslov 3408948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 3409948993f2SVlad Buslov encap_hlist, hash_key) { 3410948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 3411948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 3412948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 3413948993f2SVlad Buslov mlx5e_encap_take(e)) 3414948993f2SVlad Buslov return e; 3415948993f2SVlad Buslov } 3416948993f2SVlad Buslov 3417948993f2SVlad Buslov return NULL; 3418948993f2SVlad Buslov } 3419948993f2SVlad Buslov 342014e6b038SEli Cohen static struct mlx5e_decap_entry * 342114e6b038SEli Cohen mlx5e_decap_get(struct mlx5e_priv *priv, struct mlx5e_decap_key *key, 342214e6b038SEli Cohen uintptr_t hash_key) 342314e6b038SEli Cohen { 342414e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 342514e6b038SEli Cohen struct mlx5e_decap_key r_key; 342614e6b038SEli Cohen struct mlx5e_decap_entry *e; 342714e6b038SEli Cohen 342814e6b038SEli Cohen hash_for_each_possible_rcu(esw->offloads.decap_tbl, e, 342914e6b038SEli Cohen hlist, hash_key) { 343014e6b038SEli Cohen r_key = e->key; 343114e6b038SEli Cohen if (!cmp_decap_info(&r_key, key) && 343214e6b038SEli Cohen mlx5e_decap_take(e)) 343314e6b038SEli Cohen return e; 343414e6b038SEli Cohen } 343514e6b038SEli Cohen return NULL; 343614e6b038SEli Cohen } 343714e6b038SEli Cohen 34382a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 34392a4b6526SVlad Buslov { 34402a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 34412a4b6526SVlad Buslov 34422a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 34432a4b6526SVlad Buslov } 34442a4b6526SVlad Buslov 3445554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 3446554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 3447554fe75cSDmytro Linkin int out_index, 3448554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 3449554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3450554fe75cSDmytro Linkin { 3451554fe75cSDmytro Linkin int i; 3452554fe75cSDmytro Linkin 3453554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 3454554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 3455554fe75cSDmytro Linkin continue; 3456554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 3457554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 3458554fe75cSDmytro Linkin return true; 3459554fe75cSDmytro Linkin } 3460554fe75cSDmytro Linkin 3461554fe75cSDmytro Linkin return false; 3462554fe75cSDmytro Linkin } 3463554fe75cSDmytro Linkin 3464a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3465e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3466733d4f36SRoi Dayan struct net_device *mirred_dev, 3467733d4f36SRoi Dayan int out_index, 34688c4dc42bSEli Britstein struct netlink_ext_ack *extack, 34690ad060eeSRoi Dayan struct net_device **encap_dev, 34700ad060eeSRoi Dayan bool *encap_valid) 347103a9d11eSOr Gerlitz { 3472a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 347345247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3474733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 34751f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3476948993f2SVlad Buslov struct encap_key key; 3477c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3478733d4f36SRoi Dayan unsigned short family; 3479a54e20b4SHadar Hen Zion uintptr_t hash_key; 348054c177caSOz Shlomo int err = 0; 3481a54e20b4SHadar Hen Zion 3482733d4f36SRoi Dayan parse_attr = attr->parse_attr; 34831f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3484733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 34857f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3486d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3487d71f895cSEli Cohen if (!key.tc_tunnel) { 3488d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3489d71f895cSEli Cohen return -EOPNOTSUPP; 3490d71f895cSEli Cohen } 3491733d4f36SRoi Dayan 34927f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3493a54e20b4SHadar Hen Zion 349461086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3495948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3496a54e20b4SHadar Hen Zion 3497b2812089SVlad Buslov /* must verify if encap is valid or not */ 3498d589e785SVlad Buslov if (e) { 3499554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3500554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3501554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3502554fe75cSDmytro Linkin goto out_err; 3503554fe75cSDmytro Linkin } 3504554fe75cSDmytro Linkin 3505d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3506d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3507d589e785SVlad Buslov 3508d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3509d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 35103c140dd5SVlad Buslov if (e->compl_result < 0) { 3511d589e785SVlad Buslov err = -EREMOTEIO; 3512d589e785SVlad Buslov goto out_err; 3513d589e785SVlad Buslov } 351445247bf2SOr Gerlitz goto attach_flow; 3515d589e785SVlad Buslov } 3516a54e20b4SHadar Hen Zion 3517a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 351861086f39SVlad Buslov if (!e) { 351961086f39SVlad Buslov err = -ENOMEM; 352061086f39SVlad Buslov goto out_err; 352161086f39SVlad Buslov } 3522a54e20b4SHadar Hen Zion 3523948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3524d589e785SVlad Buslov init_completion(&e->res_ready); 3525d589e785SVlad Buslov 35262a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 35272a4b6526SVlad Buslov if (!tun_info) { 35282a4b6526SVlad Buslov err = -ENOMEM; 35292a4b6526SVlad Buslov goto out_err_init; 35302a4b6526SVlad Buslov } 35311f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3532101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 35332a4b6526SVlad Buslov if (err) 35342a4b6526SVlad Buslov goto out_err_init; 353554c177caSOz Shlomo 3536a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3537d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3538d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3539a54e20b4SHadar Hen Zion 3540ce99f6b9SOr Gerlitz if (family == AF_INET) 3541101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3542ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3543101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3544ce99f6b9SOr Gerlitz 3545d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3546d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3547d589e785SVlad Buslov complete_all(&e->res_ready); 3548d589e785SVlad Buslov if (err) { 3549d589e785SVlad Buslov e->compl_result = err; 3550a54e20b4SHadar Hen Zion goto out_err; 3551d589e785SVlad Buslov } 35523c140dd5SVlad Buslov e->compl_result = 1; 3553a54e20b4SHadar Hen Zion 355445247bf2SOr Gerlitz attach_flow: 3555948993f2SVlad Buslov flow->encaps[out_index].e = e; 35568c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 35578c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 355845247bf2SOr Gerlitz *encap_dev = e->out_dev; 35598c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 35602b688ea5SMaor Gottlieb attr->dests[out_index].pkt_reformat = e->pkt_reformat; 35618c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 35620ad060eeSRoi Dayan *encap_valid = true; 35638c4dc42bSEli Britstein } else { 35640ad060eeSRoi Dayan *encap_valid = false; 35658c4dc42bSEli Britstein } 356661086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 356745247bf2SOr Gerlitz 3568232c0013SHadar Hen Zion return err; 3569a54e20b4SHadar Hen Zion 3570a54e20b4SHadar Hen Zion out_err: 357161086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3572d589e785SVlad Buslov if (e) 3573d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3574a54e20b4SHadar Hen Zion return err; 35752a4b6526SVlad Buslov 35762a4b6526SVlad Buslov out_err_init: 35772a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 35782a4b6526SVlad Buslov kfree(tun_info); 35792a4b6526SVlad Buslov kfree(e); 35802a4b6526SVlad Buslov return err; 3581a54e20b4SHadar Hen Zion } 3582a54e20b4SHadar Hen Zion 358314e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 358414e6b038SEli Cohen struct mlx5e_tc_flow *flow, 358514e6b038SEli Cohen struct netlink_ext_ack *extack) 358614e6b038SEli Cohen { 358714e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 358814e6b038SEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 358914e6b038SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr; 359014e6b038SEli Cohen struct mlx5e_decap_entry *d; 359114e6b038SEli Cohen struct mlx5e_decap_key key; 359214e6b038SEli Cohen uintptr_t hash_key; 359314e6b038SEli Cohen int err; 359414e6b038SEli Cohen 359514e6b038SEli Cohen parse_attr = attr->parse_attr; 359614e6b038SEli Cohen if (sizeof(parse_attr->eth) > MLX5_CAP_ESW(priv->mdev, max_encap_header_size)) { 359714e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 359814e6b038SEli Cohen "encap header larger than max supported"); 359914e6b038SEli Cohen return -EOPNOTSUPP; 360014e6b038SEli Cohen } 360114e6b038SEli Cohen 360214e6b038SEli Cohen key.key = parse_attr->eth; 360314e6b038SEli Cohen hash_key = hash_decap_info(&key); 360414e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 360514e6b038SEli Cohen d = mlx5e_decap_get(priv, &key, hash_key); 360614e6b038SEli Cohen if (d) { 360714e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 360814e6b038SEli Cohen wait_for_completion(&d->res_ready); 360914e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 361014e6b038SEli Cohen if (d->compl_result) { 361114e6b038SEli Cohen err = -EREMOTEIO; 361214e6b038SEli Cohen goto out_free; 361314e6b038SEli Cohen } 361414e6b038SEli Cohen goto found; 361514e6b038SEli Cohen } 361614e6b038SEli Cohen 361714e6b038SEli Cohen d = kzalloc(sizeof(*d), GFP_KERNEL); 361814e6b038SEli Cohen if (!d) { 361914e6b038SEli Cohen err = -ENOMEM; 362014e6b038SEli Cohen goto out_err; 362114e6b038SEli Cohen } 362214e6b038SEli Cohen 362314e6b038SEli Cohen d->key = key; 362414e6b038SEli Cohen refcount_set(&d->refcnt, 1); 362514e6b038SEli Cohen init_completion(&d->res_ready); 362614e6b038SEli Cohen INIT_LIST_HEAD(&d->flows); 362714e6b038SEli Cohen hash_add_rcu(esw->offloads.decap_tbl, &d->hlist, hash_key); 362814e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 362914e6b038SEli Cohen 363014e6b038SEli Cohen d->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 363114e6b038SEli Cohen MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2, 363214e6b038SEli Cohen sizeof(parse_attr->eth), 363314e6b038SEli Cohen &parse_attr->eth, 363414e6b038SEli Cohen MLX5_FLOW_NAMESPACE_FDB); 363514e6b038SEli Cohen if (IS_ERR(d->pkt_reformat)) { 363614e6b038SEli Cohen err = PTR_ERR(d->pkt_reformat); 363714e6b038SEli Cohen d->compl_result = err; 363814e6b038SEli Cohen } 363914e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 364014e6b038SEli Cohen complete_all(&d->res_ready); 364114e6b038SEli Cohen if (err) 364214e6b038SEli Cohen goto out_free; 364314e6b038SEli Cohen 364414e6b038SEli Cohen found: 364514e6b038SEli Cohen flow->decap_reformat = d; 364614e6b038SEli Cohen attr->decap_pkt_reformat = d->pkt_reformat; 364714e6b038SEli Cohen list_add(&flow->l3_to_l2_reformat, &d->flows); 364814e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 364914e6b038SEli Cohen return 0; 365014e6b038SEli Cohen 365114e6b038SEli Cohen out_free: 365214e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 365314e6b038SEli Cohen mlx5e_decap_put(priv, d); 365414e6b038SEli Cohen return err; 365514e6b038SEli Cohen 365614e6b038SEli Cohen out_err: 365714e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 365814e6b038SEli Cohen return err; 365914e6b038SEli Cohen } 366014e6b038SEli Cohen 36611482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 366273867881SPablo Neira Ayuso const struct flow_action_entry *act, 36631482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 36641482bd3dSJianbo Liu u32 *action) 36651482bd3dSJianbo Liu { 3666cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3667cc495188SJianbo Liu 3668cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 36691482bd3dSJianbo Liu return -EOPNOTSUPP; 3670cc495188SJianbo Liu 367173867881SPablo Neira Ayuso switch (act->id) { 367273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3673cc495188SJianbo Liu if (vlan_idx) { 3674cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3675cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3676cc495188SJianbo Liu return -EOPNOTSUPP; 3677cc495188SJianbo Liu 3678cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3679cc495188SJianbo Liu } else { 3680cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3681cc495188SJianbo Liu } 368273867881SPablo Neira Ayuso break; 368373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 368473867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 368573867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 368673867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3687cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3688cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3689cc495188SJianbo Liu 3690cc495188SJianbo Liu if (vlan_idx) { 3691cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3692cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3693cc495188SJianbo Liu return -EOPNOTSUPP; 3694cc495188SJianbo Liu 3695cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3696cc495188SJianbo Liu } else { 3697cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 369873867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 369973867881SPablo Neira Ayuso act->vlan.prio)) 3700cc495188SJianbo Liu return -EOPNOTSUPP; 3701cc495188SJianbo Liu 3702cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 37031482bd3dSJianbo Liu } 370473867881SPablo Neira Ayuso break; 370573867881SPablo Neira Ayuso default: 3706bdc837eeSEli Britstein return -EINVAL; 37071482bd3dSJianbo Liu } 37081482bd3dSJianbo Liu 3709cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3710cc495188SJianbo Liu 37111482bd3dSJianbo Liu return 0; 37121482bd3dSJianbo Liu } 37131482bd3dSJianbo Liu 3714278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3715278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3716278748a9SEli Britstein struct net_device **out_dev, 3717278748a9SEli Britstein u32 *action) 3718278748a9SEli Britstein { 3719278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3720278748a9SEli Britstein struct flow_action_entry vlan_act = { 3721278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3722278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3723278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3724278748a9SEli Britstein .vlan.prio = 0, 3725278748a9SEli Britstein }; 3726278748a9SEli Britstein int err; 3727278748a9SEli Britstein 3728278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3729278748a9SEli Britstein if (err) 3730278748a9SEli Britstein return err; 3731278748a9SEli Britstein 3732278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3733278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3734278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3735278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3736278748a9SEli Britstein 3737278748a9SEli Britstein return err; 3738278748a9SEli Britstein } 3739278748a9SEli Britstein 374035a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 374135a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 374235a605dbSEli Britstein u32 *action) 374335a605dbSEli Britstein { 374435a605dbSEli Britstein struct flow_action_entry vlan_act = { 374535a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 374635a605dbSEli Britstein }; 374770f478caSDmytro Linkin int nest_level, err = 0; 374835a605dbSEli Britstein 374970f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 375070f478caSDmytro Linkin priv->netdev->lower_level; 375135a605dbSEli Britstein while (nest_level--) { 375235a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 375335a605dbSEli Britstein if (err) 375435a605dbSEli Britstein return err; 375535a605dbSEli Britstein } 375635a605dbSEli Britstein 375735a605dbSEli Britstein return err; 375835a605dbSEli Britstein } 375935a605dbSEli Britstein 3760f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3761f6dc1264SPaul Blakey struct net_device *out_dev) 3762f6dc1264SPaul Blakey { 3763f6dc1264SPaul Blakey if (is_merged_eswitch_dev(priv, out_dev)) 3764f6dc1264SPaul Blakey return true; 3765f6dc1264SPaul Blakey 3766f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 3767f6dc1264SPaul Blakey same_hw_devs(priv, netdev_priv(out_dev)); 3768f6dc1264SPaul Blakey } 3769f6dc1264SPaul Blakey 3770554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3771554fe75cSDmytro Linkin struct net_device *out_dev, 3772554fe75cSDmytro Linkin int *ifindexes, int if_count, 3773554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3774554fe75cSDmytro Linkin { 3775554fe75cSDmytro Linkin int i; 3776554fe75cSDmytro Linkin 3777554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3778554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3779554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3780554fe75cSDmytro Linkin "can't duplicate output to same device"); 3781554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3782554fe75cSDmytro Linkin out_dev->name); 3783554fe75cSDmytro Linkin return true; 3784554fe75cSDmytro Linkin } 3785554fe75cSDmytro Linkin } 3786554fe75cSDmytro Linkin 3787554fe75cSDmytro Linkin return false; 3788554fe75cSDmytro Linkin } 3789554fe75cSDmytro Linkin 37902fbbc30dSEli Cohen static int mlx5_validate_goto_chain(struct mlx5_eswitch *esw, 37912fbbc30dSEli Cohen struct mlx5e_tc_flow *flow, 37922fbbc30dSEli Cohen const struct flow_action_entry *act, 37932fbbc30dSEli Cohen u32 actions, 37942fbbc30dSEli Cohen struct netlink_ext_ack *extack) 37952fbbc30dSEli Cohen { 37962fbbc30dSEli Cohen u32 max_chain = mlx5_esw_chains_get_chain_range(esw); 37972fbbc30dSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 37982fbbc30dSEli Cohen bool ft_flow = mlx5e_is_ft_flow(flow); 37992fbbc30dSEli Cohen u32 dest_chain = act->chain_index; 38002fbbc30dSEli Cohen 38012fbbc30dSEli Cohen if (ft_flow) { 38022fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 38032fbbc30dSEli Cohen return -EOPNOTSUPP; 38042fbbc30dSEli Cohen } 38052fbbc30dSEli Cohen 38062fbbc30dSEli Cohen if (!mlx5_esw_chains_backwards_supported(esw) && 38072fbbc30dSEli Cohen dest_chain <= attr->chain) { 38082fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 38092fbbc30dSEli Cohen "Goto lower numbered chain isn't supported"); 38102fbbc30dSEli Cohen return -EOPNOTSUPP; 38112fbbc30dSEli Cohen } 38122fbbc30dSEli Cohen if (dest_chain > max_chain) { 38132fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 38142fbbc30dSEli Cohen "Requested destination chain is out of supported range"); 38152fbbc30dSEli Cohen return -EOPNOTSUPP; 38162fbbc30dSEli Cohen } 38172fbbc30dSEli Cohen 38182fbbc30dSEli Cohen if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 38192fbbc30dSEli Cohen MLX5_FLOW_CONTEXT_ACTION_DECAP) && 38202fbbc30dSEli Cohen !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat_and_fwd_to_table)) { 38212fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 38222fbbc30dSEli Cohen "Goto chain is not allowed if action has reformat or decap"); 38232fbbc30dSEli Cohen return -EOPNOTSUPP; 38242fbbc30dSEli Cohen } 38252fbbc30dSEli Cohen 38262fbbc30dSEli Cohen return 0; 38272fbbc30dSEli Cohen } 38282fbbc30dSEli Cohen 3829613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3830613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3831613f53feSEli Cohen struct net_device *out_dev, 3832613f53feSEli Cohen struct netlink_ext_ack *extack) 3833613f53feSEli Cohen { 3834613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3835613f53feSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3836613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3837613f53feSEli Cohen 3838613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3839613f53feSEli Cohen * uplink ports is allowed only if 3840613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3841613f53feSEli Cohen * 3842613f53feSEli Cohen * Input vport was stored esw_attr->in_rep. 3843613f53feSEli Cohen * In LAG case, *priv* is the private data of 3844613f53feSEli Cohen * uplink which may be not the input vport. 3845613f53feSEli Cohen */ 3846613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3847613f53feSEli Cohen 3848613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3849613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3850613f53feSEli Cohen return 0; 3851613f53feSEli Cohen 3852613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3853613f53feSEli Cohen termination_table_raw_traffic)) { 3854613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3855613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3856613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3857613f53feSEli Cohen priv->netdev->name, out_dev->name); 3858613f53feSEli Cohen return -EOPNOTSUPP; 3859613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3860613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3861613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3862613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3863613f53feSEli Cohen priv->netdev->name, out_dev->name); 3864613f53feSEli Cohen return -EOPNOTSUPP; 3865613f53feSEli Cohen } 3866613f53feSEli Cohen return 0; 3867613f53feSEli Cohen } 3868613f53feSEli Cohen 386973867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 387073867881SPablo Neira Ayuso struct flow_action *flow_action, 3871e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 387214e6b038SEli Cohen struct netlink_ext_ack *extack, 387314e6b038SEli Cohen struct net_device *filter_dev) 3874a54e20b4SHadar Hen Zion { 387573867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3876bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3877ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 38786f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 38791d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 388073867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3881554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 388284179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 388373867881SPablo Neira Ayuso const struct flow_action_entry *act; 38840a7fcb78SPaul Blakey bool encap = false, decap = false; 38850a7fcb78SPaul Blakey u32 action = attr->action; 3886554fe75cSDmytro Linkin int err, i, if_count = 0; 3887f828ca6aSEli Cohen bool mpls_push = false; 388803a9d11eSOr Gerlitz 388973867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 389003a9d11eSOr Gerlitz return -EINVAL; 389103a9d11eSOr Gerlitz 389253eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 389353eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3894319a1d19SJiri Pirko return -EOPNOTSUPP; 3895319a1d19SJiri Pirko 389673867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 389773867881SPablo Neira Ayuso switch (act->id) { 389873867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 38991cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 390003a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 390173867881SPablo Neira Ayuso break; 3902f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3903f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3904f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3905f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3906f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3907f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 3908f828ca6aSEli Cohen return -EOPNOTSUPP; 3909f828ca6aSEli Cohen } 3910f828ca6aSEli Cohen mpls_push = true; 3911f828ca6aSEli Cohen break; 391214e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 391314e6b038SEli Cohen /* we only support mpls pop if it is the first action 391414e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 391514e6b038SEli Cohen * actions can be pedit and the last can be mirred 391614e6b038SEli Cohen * egress redirect. 391714e6b038SEli Cohen */ 391814e6b038SEli Cohen if (i) { 391914e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 392014e6b038SEli Cohen "mpls pop supported only as first action"); 392114e6b038SEli Cohen return -EOPNOTSUPP; 392214e6b038SEli Cohen } 392314e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) { 392414e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 392514e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 392614e6b038SEli Cohen return -EOPNOTSUPP; 392714e6b038SEli Cohen } 392814e6b038SEli Cohen 392914e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 393014e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 393114e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 393214e6b038SEli Cohen break; 393373867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 393473867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 393514e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 393614e6b038SEli Cohen return -EOPNOTSUPP; 393714e6b038SEli Cohen 393873867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3939dec481c8SEli Cohen hdrs, extack); 3940d7e75a32SOr Gerlitz if (err) 3941d7e75a32SOr Gerlitz return err; 3942d7e75a32SOr Gerlitz 39431cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3944e85e02baSEli Britstein attr->split_count = attr->out_count; 394573867881SPablo Neira Ayuso break; 394673867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 39471cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 394873867881SPablo Neira Ayuso act->csum_flags, extack)) 394973867881SPablo Neira Ayuso break; 395026c02749SOr Gerlitz 395126c02749SOr Gerlitz return -EOPNOTSUPP; 395273867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 395373867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 395403a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3955592d3651SChris Mi struct net_device *out_dev; 395603a9d11eSOr Gerlitz 395773867881SPablo Neira Ayuso out_dev = act->dev; 3958ef381359SOz Shlomo if (!out_dev) { 3959ef381359SOz Shlomo /* out_dev is NULL when filters with 3960ef381359SOz Shlomo * non-existing mirred device are replayed to 3961ef381359SOz Shlomo * the driver. 3962ef381359SOz Shlomo */ 3963ef381359SOz Shlomo return -EINVAL; 3964ef381359SOz Shlomo } 396503a9d11eSOr Gerlitz 3966f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 3967f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3968f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 3969f828ca6aSEli Cohen return -EOPNOTSUPP; 3970f828ca6aSEli Cohen } 3971f828ca6aSEli Cohen 397284179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 397384179981SPaul Blakey /* Ignore forward to self rules generated 397484179981SPaul Blakey * by adding both mlx5 devs to the flow table 397584179981SPaul Blakey * block on a normal nft offload setup. 397684179981SPaul Blakey */ 397784179981SPaul Blakey return -EOPNOTSUPP; 397884179981SPaul Blakey } 397984179981SPaul Blakey 3980592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3981e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3982e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 39834ccd83f4SRoi Dayan netdev_warn(priv->netdev, 39844ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 3985592d3651SChris Mi attr->out_count); 3986592d3651SChris Mi return -EOPNOTSUPP; 3987592d3651SChris Mi } 3988592d3651SChris Mi 3989f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3990f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3991b6a4ac24SVlad Buslov if (encap) { 3992b6a4ac24SVlad Buslov parse_attr->mirred_ifindex[attr->out_count] = 3993b6a4ac24SVlad Buslov out_dev->ifindex; 3994b6a4ac24SVlad Buslov parse_attr->tun_info[attr->out_count] = dup_tun_info(info); 3995b6a4ac24SVlad Buslov if (!parse_attr->tun_info[attr->out_count]) 3996b6a4ac24SVlad Buslov return -ENOMEM; 3997b6a4ac24SVlad Buslov encap = false; 3998b6a4ac24SVlad Buslov attr->dests[attr->out_count].flags |= 3999b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 4000b6a4ac24SVlad Buslov attr->out_count++; 4001b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 4002b6a4ac24SVlad Buslov * handle encap 4003b6a4ac24SVlad Buslov */ 4004b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 40057ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 40067ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 4007fa833bd5SVlad Buslov struct net_device *uplink_upper; 40087ba58ba7SRabie Loulou 4009554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 4010554fe75cSDmytro Linkin out_dev, 4011554fe75cSDmytro Linkin ifindexes, 4012554fe75cSDmytro Linkin if_count, 4013554fe75cSDmytro Linkin extack)) 4014554fe75cSDmytro Linkin return -EOPNOTSUPP; 4015554fe75cSDmytro Linkin 4016554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 4017554fe75cSDmytro Linkin if_count++; 4018554fe75cSDmytro Linkin 4019fa833bd5SVlad Buslov rcu_read_lock(); 4020fa833bd5SVlad Buslov uplink_upper = 4021fa833bd5SVlad Buslov netdev_master_upper_dev_get_rcu(uplink_dev); 40227ba58ba7SRabie Loulou if (uplink_upper && 40237ba58ba7SRabie Loulou netif_is_lag_master(uplink_upper) && 40247ba58ba7SRabie Loulou uplink_upper == out_dev) 40257ba58ba7SRabie Loulou out_dev = uplink_dev; 4026fa833bd5SVlad Buslov rcu_read_unlock(); 40277ba58ba7SRabie Loulou 4028278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 4029278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 4030278748a9SEli Britstein &out_dev, 4031278748a9SEli Britstein &action); 4032278748a9SEli Britstein if (err) 4033278748a9SEli Britstein return err; 4034278748a9SEli Britstein } 4035f6dc1264SPaul Blakey 403635a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 403735a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 403835a605dbSEli Britstein &action); 403935a605dbSEli Britstein if (err) 404035a605dbSEli Britstein return err; 404135a605dbSEli Britstein } 4042278748a9SEli Britstein 4043613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 4044613f53feSEli Cohen if (err) 4045613f53feSEli Cohen return err; 4046ffec9702STonghao Zhang 4047f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 4048f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 4049f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 40504ccd83f4SRoi Dayan netdev_warn(priv->netdev, 40514ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 40524ccd83f4SRoi Dayan priv->netdev->name, 40534ccd83f4SRoi Dayan out_dev->name); 4054a0646c88SEli Britstein return -EOPNOTSUPP; 4055f6dc1264SPaul Blakey } 4056a0646c88SEli Britstein 405703a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 40581d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 4059df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 4060df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 4061df65a573SEli Britstein attr->out_count++; 4062ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 4063ef381359SOz Shlomo /* All mlx5 devices are called to configure 4064ef381359SOz Shlomo * high level device filters. Therefore, the 4065ef381359SOz Shlomo * *attempt* to install a filter on invalid 4066ef381359SOz Shlomo * eswitch should not trigger an explicit error 4067ef381359SOz Shlomo */ 4068ef381359SOz Shlomo return -EINVAL; 4069a54e20b4SHadar Hen Zion } else { 4070e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4071e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 40724ccd83f4SRoi Dayan netdev_warn(priv->netdev, 40734ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 40744ccd83f4SRoi Dayan priv->netdev->name, 40754ccd83f4SRoi Dayan out_dev->name); 4076a54e20b4SHadar Hen Zion return -EINVAL; 4077a54e20b4SHadar Hen Zion } 4078a54e20b4SHadar Hen Zion } 407973867881SPablo Neira Ayuso break; 408073867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 408173867881SPablo Neira Ayuso info = act->tunnel; 4082a54e20b4SHadar Hen Zion if (info) 4083a54e20b4SHadar Hen Zion encap = true; 4084a54e20b4SHadar Hen Zion else 4085a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 408603a9d11eSOr Gerlitz 408773867881SPablo Neira Ayuso break; 408873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 408973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 409076b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 409176b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 409276b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 409376b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 409476b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 409576b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 409676b496b1SEli Britstein act, parse_attr, hdrs, 409776b496b1SEli Britstein &action, extack); 409876b496b1SEli Britstein } else { 409973867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 410076b496b1SEli Britstein } 41011482bd3dSJianbo Liu if (err) 41021482bd3dSJianbo Liu return err; 41031482bd3dSJianbo Liu 4104e85e02baSEli Britstein attr->split_count = attr->out_count; 410573867881SPablo Neira Ayuso break; 4106bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 4107bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 4108bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 4109bdc837eeSEli Britstein act, parse_attr, hdrs, 4110bdc837eeSEli Britstein &action, extack); 4111bdc837eeSEli Britstein if (err) 4112bdc837eeSEli Britstein return err; 4113bdc837eeSEli Britstein 4114bdc837eeSEli Britstein attr->split_count = attr->out_count; 4115bdc837eeSEli Britstein break; 411673867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 41170a7fcb78SPaul Blakey decap = true; 411873867881SPablo Neira Ayuso break; 41192fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 41202fbbc30dSEli Cohen err = mlx5_validate_goto_chain(esw, flow, act, action, 41212fbbc30dSEli Cohen extack); 41222fbbc30dSEli Cohen if (err) 41232fbbc30dSEli Cohen return err; 4124bf07aa73SPaul Blakey 4125e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 41262fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 412773867881SPablo Neira Ayuso break; 41284c3844d9SPaul Blakey case FLOW_ACTION_CT: 41294c3844d9SPaul Blakey err = mlx5_tc_ct_parse_action(priv, attr, act, extack); 41304c3844d9SPaul Blakey if (err) 41314c3844d9SPaul Blakey return err; 41324c3844d9SPaul Blakey 41334c3844d9SPaul Blakey flow_flag_set(flow, CT); 41344c3844d9SPaul Blakey break; 413573867881SPablo Neira Ayuso default: 41362cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 41372cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 413803a9d11eSOr Gerlitz } 413973867881SPablo Neira Ayuso } 4140bdd66ac0SOr Gerlitz 41410bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 41420bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 41430bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 41440bac1194SEli Britstein * tag rewrite. 41450bac1194SEli Britstein */ 41460bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 41470bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 41480bac1194SEli Britstein &action, extack); 41490bac1194SEli Britstein if (err) 41500bac1194SEli Britstein return err; 41510bac1194SEli Britstein } 41520bac1194SEli Britstein 4153c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 4154c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 415584be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 415627c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 4157c500c86bSPablo Neira Ayuso if (err) 4158c500c86bSPablo Neira Ayuso return err; 415927c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 416027c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 416127c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 416227c11b6bSEli Britstein */ 41636ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 416427c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 41656ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 416627c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 416727c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 416827c11b6bSEli Britstein attr->split_count = 0; 416927c11b6bSEli Britstein } 4170c500c86bSPablo Neira Ayuso } 4171c500c86bSPablo Neira Ayuso 41721cab1cd7SOr Gerlitz attr->action = action; 417373867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4174bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4175bdd66ac0SOr Gerlitz 4176e88afe75SOr Gerlitz if (attr->dest_chain) { 41770a7fcb78SPaul Blakey if (decap) { 41780a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 41790a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 41800a7fcb78SPaul Blakey * this tunnel id with this decap flow. 41810a7fcb78SPaul Blakey * 41820a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 41830a7fcb78SPaul Blakey * device. 41840a7fcb78SPaul Blakey */ 41850a7fcb78SPaul Blakey 41860a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 41870a7fcb78SPaul Blakey "Decap with goto isn't supported"); 41880a7fcb78SPaul Blakey netdev_warn(priv->netdev, 41890a7fcb78SPaul Blakey "Decap with goto isn't supported"); 41900a7fcb78SPaul Blakey return -EOPNOTSUPP; 41910a7fcb78SPaul Blakey } 41920a7fcb78SPaul Blakey 4193e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 419461644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 419561644c3dSRoi Dayan "Mirroring goto chain rules isn't supported"); 4196e88afe75SOr Gerlitz return -EOPNOTSUPP; 4197e88afe75SOr Gerlitz } 4198e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4199e88afe75SOr Gerlitz } 4200e88afe75SOr Gerlitz 4201ae2741e2SVlad Buslov if (!(attr->action & 4202ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 420361644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 420461644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 4205ae2741e2SVlad Buslov return -EOPNOTSUPP; 4206ae2741e2SVlad Buslov } 4207ae2741e2SVlad Buslov 4208e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4209e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4210e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4211592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4212592d3651SChris Mi return -EOPNOTSUPP; 4213592d3651SChris Mi } 4214592d3651SChris Mi 421531c8eba5SOr Gerlitz return 0; 421603a9d11eSOr Gerlitz } 421703a9d11eSOr Gerlitz 4218226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 421960bd4af8SOr Gerlitz { 4220226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 422160bd4af8SOr Gerlitz 4222226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4223226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4224226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4225226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 422660bd4af8SOr Gerlitz 4227226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4228226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4229226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4230226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 423184179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 423284179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4233d9ee0491SOr Gerlitz 423460bd4af8SOr Gerlitz *flow_flags = __flow_flags; 423560bd4af8SOr Gerlitz } 423660bd4af8SOr Gerlitz 423705866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 423805866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 423905866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 424005866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 424105866c82SOr Gerlitz .automatic_shrinking = true, 424205866c82SOr Gerlitz }; 424305866c82SOr Gerlitz 4244226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4245226f2ca3SVlad Buslov unsigned long flags) 424605866c82SOr Gerlitz { 4247655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4248655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4249655dc3d2SOr Gerlitz 4250226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4251655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4252ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4253d9ee0491SOr Gerlitz } else /* NIC offload */ 425405866c82SOr Gerlitz return &priv->fs.tc.ht; 425505866c82SOr Gerlitz } 425605866c82SOr Gerlitz 425704de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 425804de7ddaSRoi Dayan { 42591418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 4260b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 4261226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 42621418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 42631418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 42641418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 42651418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 42661418ddd9SAviv Heller 426710fbb1cdSRoi Dayan if (!esw_paired) 426810fbb1cdSRoi Dayan return false; 426910fbb1cdSRoi Dayan 427010fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 427110fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 427210fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 427310fbb1cdSRoi Dayan return true; 427410fbb1cdSRoi Dayan 427510fbb1cdSRoi Dayan return false; 427604de7ddaSRoi Dayan } 427704de7ddaSRoi Dayan 4278a88780a9SRoi Dayan static int 4279a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4280226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4281a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4282a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4283e3a2b7edSAmir Vadai { 428417091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 42853bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 42865a7e5bcbSVlad Buslov int out_index, err; 4287776b12b6SOr Gerlitz 428865ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 42891b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 429017091853SOr Gerlitz if (!parse_attr || !flow) { 4291e3a2b7edSAmir Vadai err = -ENOMEM; 4292e3a2b7edSAmir Vadai goto err_free; 4293e3a2b7edSAmir Vadai } 4294e3a2b7edSAmir Vadai 4295e3a2b7edSAmir Vadai flow->cookie = f->cookie; 429665ba8fb7SOr Gerlitz flow->flags = flow_flags; 4297655dc3d2SOr Gerlitz flow->priv = priv; 42985a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 42995a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 43005a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 43015a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 430214e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 43035a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 430495435ad7SVlad Buslov init_completion(&flow->init_done); 4305e3a2b7edSAmir Vadai 4306a88780a9SRoi Dayan *__flow = flow; 4307a88780a9SRoi Dayan *__parse_attr = parse_attr; 4308a88780a9SRoi Dayan 4309a88780a9SRoi Dayan return 0; 4310a88780a9SRoi Dayan 4311a88780a9SRoi Dayan err_free: 4312a88780a9SRoi Dayan kfree(flow); 4313a88780a9SRoi Dayan kvfree(parse_attr); 4314a88780a9SRoi Dayan return err; 4315adb4c123SOr Gerlitz } 4316adb4c123SOr Gerlitz 4317988ab9c7STonghao Zhang static void 4318988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 4319988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4320988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4321f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4322988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4323988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4324988ab9c7STonghao Zhang { 4325988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4326988ab9c7STonghao Zhang 4327988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 4328988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 4329ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 4330988ab9c7STonghao Zhang 4331988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4332988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4333988ab9c7STonghao Zhang 4334988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4335988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4336988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4337988ab9c7STonghao Zhang else 4338988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4339988ab9c7STonghao Zhang } 4340988ab9c7STonghao Zhang 434171129676SJason Gunthorpe static struct mlx5e_tc_flow * 434204de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4343f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4344226f2ca3SVlad Buslov unsigned long flow_flags, 4345d11afc26SOz Shlomo struct net_device *filter_dev, 434604de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 434771129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4348a88780a9SRoi Dayan { 4349f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4350a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4351a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4352a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4353a88780a9SRoi Dayan int attr_size, err; 4354a88780a9SRoi Dayan 4355226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4356a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4357a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4358a88780a9SRoi Dayan &parse_attr, &flow); 4359a88780a9SRoi Dayan if (err) 4360a88780a9SRoi Dayan goto out; 4361988ab9c7STonghao Zhang 4362d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4363988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 4364988ab9c7STonghao Zhang priv, parse_attr, 4365988ab9c7STonghao Zhang f, in_rep, in_mdev); 4366988ab9c7STonghao Zhang 436754c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 436854c177caSOz Shlomo f, filter_dev); 4369d11afc26SOz Shlomo if (err) 4370d11afc26SOz Shlomo goto err_free; 4371a88780a9SRoi Dayan 437214e6b038SEli Cohen err = parse_tc_fdb_actions(priv, &rule->action, flow, extack, filter_dev); 4373a88780a9SRoi Dayan if (err) 4374a88780a9SRoi Dayan goto err_free; 4375a88780a9SRoi Dayan 43764c3844d9SPaul Blakey err = mlx5_tc_ct_parse_match(priv, &parse_attr->spec, f, extack); 43774c3844d9SPaul Blakey if (err) 43784c3844d9SPaul Blakey goto err_free; 43794c3844d9SPaul Blakey 43807040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 438195435ad7SVlad Buslov complete_all(&flow->init_done); 4382ef06c9eeSRoi Dayan if (err) { 4383ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4384aa0cbbaeSOr Gerlitz goto err_free; 43855c40348cSOr Gerlitz 4386b4a23329SRoi Dayan add_unready_flow(flow); 4387ef06c9eeSRoi Dayan } 4388ef06c9eeSRoi Dayan 438971129676SJason Gunthorpe return flow; 4390e3a2b7edSAmir Vadai 4391e3a2b7edSAmir Vadai err_free: 43925a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4393a88780a9SRoi Dayan out: 439471129676SJason Gunthorpe return ERR_PTR(err); 4395a88780a9SRoi Dayan } 4396a88780a9SRoi Dayan 4397f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 439895dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4399226f2ca3SVlad Buslov unsigned long flow_flags) 440004de7ddaSRoi Dayan { 440104de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 440204de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 440304de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 440404de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 440504de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 440604de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 440704de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 440804de7ddaSRoi Dayan int err = 0; 440904de7ddaSRoi Dayan 441004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 441104de7ddaSRoi Dayan if (!peer_esw) 441204de7ddaSRoi Dayan return -ENODEV; 441304de7ddaSRoi Dayan 441404de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 441504de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 441604de7ddaSRoi Dayan 441704de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 441804de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 441904de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 442004de7ddaSRoi Dayan * peer mdev. 442104de7ddaSRoi Dayan */ 4422b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 442304de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 442404de7ddaSRoi Dayan else 442504de7ddaSRoi Dayan in_mdev = priv->mdev; 442604de7ddaSRoi Dayan 442704de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 442895dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 442904de7ddaSRoi Dayan parse_attr->filter_dev, 443071129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 443171129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 443271129676SJason Gunthorpe err = PTR_ERR(peer_flow); 443304de7ddaSRoi Dayan goto out; 443471129676SJason Gunthorpe } 443504de7ddaSRoi Dayan 443604de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4437226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 443804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 443904de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 444004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 444104de7ddaSRoi Dayan 444204de7ddaSRoi Dayan out: 444304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 444404de7ddaSRoi Dayan return err; 444504de7ddaSRoi Dayan } 444604de7ddaSRoi Dayan 444704de7ddaSRoi Dayan static int 444804de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4449f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4450226f2ca3SVlad Buslov unsigned long flow_flags, 445104de7ddaSRoi Dayan struct net_device *filter_dev, 445204de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 445304de7ddaSRoi Dayan { 445404de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 445504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 445604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 445704de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 445804de7ddaSRoi Dayan int err; 445904de7ddaSRoi Dayan 446071129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 446171129676SJason Gunthorpe in_mdev); 446271129676SJason Gunthorpe if (IS_ERR(flow)) 446371129676SJason Gunthorpe return PTR_ERR(flow); 446404de7ddaSRoi Dayan 446504de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 446695dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 446704de7ddaSRoi Dayan if (err) { 446804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 446904de7ddaSRoi Dayan goto out; 447004de7ddaSRoi Dayan } 447104de7ddaSRoi Dayan } 447204de7ddaSRoi Dayan 447304de7ddaSRoi Dayan *__flow = flow; 447404de7ddaSRoi Dayan 447504de7ddaSRoi Dayan return 0; 447604de7ddaSRoi Dayan 447704de7ddaSRoi Dayan out: 447804de7ddaSRoi Dayan return err; 447904de7ddaSRoi Dayan } 448004de7ddaSRoi Dayan 4481a88780a9SRoi Dayan static int 4482a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4483f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4484226f2ca3SVlad Buslov unsigned long flow_flags, 4485d11afc26SOz Shlomo struct net_device *filter_dev, 4486a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4487a88780a9SRoi Dayan { 4488f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4489a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4490a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4491a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4492a88780a9SRoi Dayan int attr_size, err; 4493a88780a9SRoi Dayan 4494bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 4495bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4496bf07aa73SPaul Blakey return -EOPNOTSUPP; 4497bf07aa73SPaul Blakey 4498226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4499a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4500a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4501a88780a9SRoi Dayan &parse_attr, &flow); 4502a88780a9SRoi Dayan if (err) 4503a88780a9SRoi Dayan goto out; 4504a88780a9SRoi Dayan 4505d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 450654c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 450754c177caSOz Shlomo f, filter_dev); 4508d11afc26SOz Shlomo if (err) 4509d11afc26SOz Shlomo goto err_free; 4510d11afc26SOz Shlomo 451173867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4512a88780a9SRoi Dayan if (err) 4513a88780a9SRoi Dayan goto err_free; 4514a88780a9SRoi Dayan 4515a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4516a88780a9SRoi Dayan if (err) 4517a88780a9SRoi Dayan goto err_free; 4518a88780a9SRoi Dayan 4519226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4520a88780a9SRoi Dayan kvfree(parse_attr); 4521a88780a9SRoi Dayan *__flow = flow; 4522a88780a9SRoi Dayan 4523a88780a9SRoi Dayan return 0; 4524a88780a9SRoi Dayan 4525a88780a9SRoi Dayan err_free: 45265a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4527a88780a9SRoi Dayan kvfree(parse_attr); 4528a88780a9SRoi Dayan out: 4529a88780a9SRoi Dayan return err; 4530a88780a9SRoi Dayan } 4531a88780a9SRoi Dayan 4532a88780a9SRoi Dayan static int 4533a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4534f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4535226f2ca3SVlad Buslov unsigned long flags, 4536d11afc26SOz Shlomo struct net_device *filter_dev, 4537a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4538a88780a9SRoi Dayan { 4539a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4540226f2ca3SVlad Buslov unsigned long flow_flags; 4541a88780a9SRoi Dayan int err; 4542a88780a9SRoi Dayan 4543a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4544a88780a9SRoi Dayan 4545bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4546bf07aa73SPaul Blakey return -EOPNOTSUPP; 4547bf07aa73SPaul Blakey 4548f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4549d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4550d11afc26SOz Shlomo filter_dev, flow); 4551a88780a9SRoi Dayan else 4552d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4553d11afc26SOz Shlomo filter_dev, flow); 4554a88780a9SRoi Dayan 4555a88780a9SRoi Dayan return err; 4556a88780a9SRoi Dayan } 4557a88780a9SRoi Dayan 455871d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4559226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4560a88780a9SRoi Dayan { 4561a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4562d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4563a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4564a88780a9SRoi Dayan int err = 0; 4565a88780a9SRoi Dayan 4566c5d326b2SVlad Buslov rcu_read_lock(); 4567c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4568c5d326b2SVlad Buslov rcu_read_unlock(); 4569a88780a9SRoi Dayan if (flow) { 4570a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4571a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4572a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4573a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4574a88780a9SRoi Dayan f->cookie); 45750e1c1a2fSVlad Buslov err = -EEXIST; 4576a88780a9SRoi Dayan goto out; 4577a88780a9SRoi Dayan } 4578a88780a9SRoi Dayan 45797a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4580d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4581a88780a9SRoi Dayan if (err) 4582a88780a9SRoi Dayan goto out; 4583a88780a9SRoi Dayan 4584c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4585a88780a9SRoi Dayan if (err) 4586a88780a9SRoi Dayan goto err_free; 4587a88780a9SRoi Dayan 4588a88780a9SRoi Dayan return 0; 4589a88780a9SRoi Dayan 4590a88780a9SRoi Dayan err_free: 45915a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4592a88780a9SRoi Dayan out: 4593e3a2b7edSAmir Vadai return err; 4594e3a2b7edSAmir Vadai } 4595e3a2b7edSAmir Vadai 45968f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 45978f8ae895SOr Gerlitz { 4598226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4599226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 46008f8ae895SOr Gerlitz 4601226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4602226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 46038f8ae895SOr Gerlitz } 46048f8ae895SOr Gerlitz 460571d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4606226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4607e3a2b7edSAmir Vadai { 4608d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4609e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4610c5d326b2SVlad Buslov int err; 4611e3a2b7edSAmir Vadai 4612c5d326b2SVlad Buslov rcu_read_lock(); 4613ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4614c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4615c5d326b2SVlad Buslov err = -EINVAL; 4616c5d326b2SVlad Buslov goto errout; 4617c5d326b2SVlad Buslov } 4618e3a2b7edSAmir Vadai 4619c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4620c5d326b2SVlad Buslov * set. 4621c5d326b2SVlad Buslov */ 4622c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4623c5d326b2SVlad Buslov err = -EINVAL; 4624c5d326b2SVlad Buslov goto errout; 4625c5d326b2SVlad Buslov } 462605866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4627c5d326b2SVlad Buslov rcu_read_unlock(); 4628e3a2b7edSAmir Vadai 46297a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 46305a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4631e3a2b7edSAmir Vadai 4632e3a2b7edSAmir Vadai return 0; 4633c5d326b2SVlad Buslov 4634c5d326b2SVlad Buslov errout: 4635c5d326b2SVlad Buslov rcu_read_unlock(); 4636c5d326b2SVlad Buslov return err; 4637e3a2b7edSAmir Vadai } 4638e3a2b7edSAmir Vadai 463971d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4640226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4641aad7e08dSAmir Vadai { 464204de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4643d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 464404de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4645aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4646aad7e08dSAmir Vadai struct mlx5_fc *counter; 4647316d5f72SRoi Dayan u64 lastuse = 0; 4648316d5f72SRoi Dayan u64 packets = 0; 4649316d5f72SRoi Dayan u64 bytes = 0; 46505a7e5bcbSVlad Buslov int err = 0; 4651aad7e08dSAmir Vadai 4652c5d326b2SVlad Buslov rcu_read_lock(); 4653c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 46545a7e5bcbSVlad Buslov tc_ht_params)); 4655c5d326b2SVlad Buslov rcu_read_unlock(); 46565a7e5bcbSVlad Buslov if (IS_ERR(flow)) 46575a7e5bcbSVlad Buslov return PTR_ERR(flow); 46585a7e5bcbSVlad Buslov 46595a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 46605a7e5bcbSVlad Buslov err = -EINVAL; 46615a7e5bcbSVlad Buslov goto errout; 46625a7e5bcbSVlad Buslov } 4663aad7e08dSAmir Vadai 46644c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4665b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4666aad7e08dSAmir Vadai if (!counter) 46675a7e5bcbSVlad Buslov goto errout; 4668aad7e08dSAmir Vadai 4669aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4670316d5f72SRoi Dayan } 4671aad7e08dSAmir Vadai 4672316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4673316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4674316d5f72SRoi Dayan */ 467504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 467604de7ddaSRoi Dayan if (!peer_esw) 467704de7ddaSRoi Dayan goto out; 467804de7ddaSRoi Dayan 4679226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4680226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 468104de7ddaSRoi Dayan u64 bytes2; 468204de7ddaSRoi Dayan u64 packets2; 468304de7ddaSRoi Dayan u64 lastuse2; 468404de7ddaSRoi Dayan 468504de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4686316d5f72SRoi Dayan if (!counter) 4687316d5f72SRoi Dayan goto no_peer_counter; 468804de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 468904de7ddaSRoi Dayan 469004de7ddaSRoi Dayan bytes += bytes2; 469104de7ddaSRoi Dayan packets += packets2; 469204de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 469304de7ddaSRoi Dayan } 469404de7ddaSRoi Dayan 4695316d5f72SRoi Dayan no_peer_counter: 469604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 469704de7ddaSRoi Dayan out: 469893a129ebSJiri Pirko flow_stats_update(&f->stats, bytes, packets, lastuse, 469993a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 47007a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 47015a7e5bcbSVlad Buslov errout: 47025a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 47035a7e5bcbSVlad Buslov return err; 4704aad7e08dSAmir Vadai } 4705aad7e08dSAmir Vadai 4706fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 4707fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4708fcb64c0fSEli Cohen { 4709fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4710fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 4711fcb64c0fSEli Cohen u16 vport_num; 4712fcb64c0fSEli Cohen u32 rate_mbps; 4713fcb64c0fSEli Cohen int err; 4714fcb64c0fSEli Cohen 4715e401a184SEli Cohen vport_num = rpriv->rep->vport; 4716e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4717e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4718e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4719e401a184SEli Cohen return -EOPNOTSUPP; 4720e401a184SEli Cohen } 4721e401a184SEli Cohen 4722fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4723fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4724fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4725fcb64c0fSEli Cohen * mbit means million bits. 4726fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4727fcb64c0fSEli Cohen * 1 mbit/sec. 4728fcb64c0fSEli Cohen */ 4729fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 4730fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4731fcb64c0fSEli Cohen if (err) 4732fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4733fcb64c0fSEli Cohen 4734fcb64c0fSEli Cohen return err; 4735fcb64c0fSEli Cohen } 4736fcb64c0fSEli Cohen 4737fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4738fcb64c0fSEli Cohen struct flow_action *flow_action, 4739fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4740fcb64c0fSEli Cohen { 4741fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4742fcb64c0fSEli Cohen const struct flow_action_entry *act; 4743fcb64c0fSEli Cohen int err; 4744fcb64c0fSEli Cohen int i; 4745fcb64c0fSEli Cohen 4746fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4747fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4748fcb64c0fSEli Cohen return -EINVAL; 4749fcb64c0fSEli Cohen } 4750fcb64c0fSEli Cohen 4751fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4752fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4753fcb64c0fSEli Cohen return -EOPNOTSUPP; 4754fcb64c0fSEli Cohen } 4755fcb64c0fSEli Cohen 475653eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 4757319a1d19SJiri Pirko return -EOPNOTSUPP; 4758319a1d19SJiri Pirko 4759fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4760fcb64c0fSEli Cohen switch (act->id) { 4761fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 4762fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4763fcb64c0fSEli Cohen if (err) 4764fcb64c0fSEli Cohen return err; 4765fcb64c0fSEli Cohen 4766fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4767fcb64c0fSEli Cohen break; 4768fcb64c0fSEli Cohen default: 4769fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4770fcb64c0fSEli Cohen return -EOPNOTSUPP; 4771fcb64c0fSEli Cohen } 4772fcb64c0fSEli Cohen } 4773fcb64c0fSEli Cohen 4774fcb64c0fSEli Cohen return 0; 4775fcb64c0fSEli Cohen } 4776fcb64c0fSEli Cohen 4777fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4778fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4779fcb64c0fSEli Cohen { 4780b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4781fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4782fcb64c0fSEli Cohen 4783b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 4784b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 4785b5f814ccSEli Cohen return -EOPNOTSUPP; 4786b5f814ccSEli Cohen } 4787b5f814ccSEli Cohen 47887b83355fSEli Cohen if (ma->common.prio != 1) { 4789fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4790fcb64c0fSEli Cohen return -EINVAL; 4791fcb64c0fSEli Cohen } 4792fcb64c0fSEli Cohen 4793fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4794fcb64c0fSEli Cohen } 4795fcb64c0fSEli Cohen 4796fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4797fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4798fcb64c0fSEli Cohen { 4799fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4800fcb64c0fSEli Cohen 4801fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4802fcb64c0fSEli Cohen } 4803fcb64c0fSEli Cohen 4804fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4805fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4806fcb64c0fSEli Cohen { 4807fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4808fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4809fcb64c0fSEli Cohen u64 dbytes; 4810fcb64c0fSEli Cohen u64 dpkts; 4811fcb64c0fSEli Cohen 4812fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4813fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4814fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4815fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 481693a129ebSJiri Pirko flow_stats_update(&ma->stats, dpkts, dbytes, jiffies, 481793a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4818fcb64c0fSEli Cohen } 4819fcb64c0fSEli Cohen 48204d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 48214d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 48224d8fcf21SAlaa Hleihel { 48234d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4824db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4825db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 48264d8fcf21SAlaa Hleihel u16 peer_vhca_id; 48274d8fcf21SAlaa Hleihel int bkt; 48284d8fcf21SAlaa Hleihel 48294d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 48304d8fcf21SAlaa Hleihel return; 48314d8fcf21SAlaa Hleihel 48324d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 48334d8fcf21SAlaa Hleihel 4834b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4835db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4836db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4837db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4838b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4839db76ca24SVlad Buslov 4840db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4841db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4842db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4843db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4844db76ca24SVlad Buslov 4845db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4846db76ca24SVlad Buslov } 48474d8fcf21SAlaa Hleihel } 48484d8fcf21SAlaa Hleihel 48494d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 48504d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 48514d8fcf21SAlaa Hleihel { 48524d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 48534d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 48544d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 48554d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 48564d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 48574d8fcf21SAlaa Hleihel 48584d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 48594d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 48604d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 48614d8fcf21SAlaa Hleihel return NOTIFY_DONE; 48624d8fcf21SAlaa Hleihel 48634d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 48644d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 48654d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 48664d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 48674d8fcf21SAlaa Hleihel if (priv == peer_priv || 48684d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 48694d8fcf21SAlaa Hleihel return NOTIFY_DONE; 48704d8fcf21SAlaa Hleihel 48714d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 48724d8fcf21SAlaa Hleihel 48734d8fcf21SAlaa Hleihel return NOTIFY_DONE; 48744d8fcf21SAlaa Hleihel } 48754d8fcf21SAlaa Hleihel 4876655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4877e8f887acSAmir Vadai { 4878acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 48794d8fcf21SAlaa Hleihel int err; 4880e8f887acSAmir Vadai 4881b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4882d2faae25SVlad Buslov mutex_init(&tc->mod_hdr.lock); 4883dd58edc3SVlad Buslov hash_init(tc->mod_hdr.hlist); 4884b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 48855c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 488611c9c548SOr Gerlitz 48874d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 48884d8fcf21SAlaa Hleihel if (err) 48894d8fcf21SAlaa Hleihel return err; 48904d8fcf21SAlaa Hleihel 48914d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4892d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4893d48834f9SJiri Pirko &tc->netdevice_nb, 4894d48834f9SJiri Pirko &tc->netdevice_nn); 4895d48834f9SJiri Pirko if (err) { 48964d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 48974d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 48984d8fcf21SAlaa Hleihel } 48994d8fcf21SAlaa Hleihel 49004d8fcf21SAlaa Hleihel return err; 4901e8f887acSAmir Vadai } 4902e8f887acSAmir Vadai 4903e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4904e8f887acSAmir Vadai { 4905e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4906655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4907e8f887acSAmir Vadai 4908961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4909e8f887acSAmir Vadai kfree(flow); 4910e8f887acSAmir Vadai } 4911e8f887acSAmir Vadai 4912655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4913e8f887acSAmir Vadai { 4914acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4915e8f887acSAmir Vadai 49164d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4917d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4918d48834f9SJiri Pirko &tc->netdevice_nb, 4919d48834f9SJiri Pirko &tc->netdevice_nn); 49204d8fcf21SAlaa Hleihel 4921d2faae25SVlad Buslov mutex_destroy(&tc->mod_hdr.lock); 4922b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4923b32accdaSVlad Buslov 4924d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 4925e8f887acSAmir Vadai 4926acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 4927acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 4928acff797cSMaor Gottlieb tc->t = NULL; 4929e8f887acSAmir Vadai } 4930b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 4931e8f887acSAmir Vadai } 4932655dc3d2SOr Gerlitz 4933655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4934655dc3d2SOr Gerlitz { 4935d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 49360a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 49370a7fcb78SPaul Blakey struct mlx5e_rep_priv *priv; 49380a7fcb78SPaul Blakey struct mapping_ctx *mapping; 49390a7fcb78SPaul Blakey int err; 49400a7fcb78SPaul Blakey 49410a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 49420a7fcb78SPaul Blakey priv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 49430a7fcb78SPaul Blakey 49444c3844d9SPaul Blakey err = mlx5_tc_ct_init(uplink_priv); 49454c3844d9SPaul Blakey if (err) 49464c3844d9SPaul Blakey goto err_ct; 49474c3844d9SPaul Blakey 49480a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 49490a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 49500a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 49510a7fcb78SPaul Blakey err = PTR_ERR(mapping); 49520a7fcb78SPaul Blakey goto err_tun_mapping; 49530a7fcb78SPaul Blakey } 49540a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 49550a7fcb78SPaul Blakey 49560a7fcb78SPaul Blakey mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK, true); 49570a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 49580a7fcb78SPaul Blakey err = PTR_ERR(mapping); 49590a7fcb78SPaul Blakey goto err_enc_opts_mapping; 49600a7fcb78SPaul Blakey } 49610a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 49620a7fcb78SPaul Blakey 49630a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 49640a7fcb78SPaul Blakey if (err) 49650a7fcb78SPaul Blakey goto err_ht_init; 49660a7fcb78SPaul Blakey 49670a7fcb78SPaul Blakey return err; 49680a7fcb78SPaul Blakey 49690a7fcb78SPaul Blakey err_ht_init: 49700a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 49710a7fcb78SPaul Blakey err_enc_opts_mapping: 49720a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 49730a7fcb78SPaul Blakey err_tun_mapping: 49744c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 49754c3844d9SPaul Blakey err_ct: 49760a7fcb78SPaul Blakey netdev_warn(priv->netdev, 49770a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 49780a7fcb78SPaul Blakey return err; 4979655dc3d2SOr Gerlitz } 4980655dc3d2SOr Gerlitz 4981655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4982655dc3d2SOr Gerlitz { 49830a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 49840a7fcb78SPaul Blakey 4985655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 49860a7fcb78SPaul Blakey 49870a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 49880a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 49890a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 49904c3844d9SPaul Blakey 49914c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 4992655dc3d2SOr Gerlitz } 499301252a27SOr Gerlitz 4994226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 499501252a27SOr Gerlitz { 4996d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 499701252a27SOr Gerlitz 499801252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 499901252a27SOr Gerlitz } 500004de7ddaSRoi Dayan 500104de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 500204de7ddaSRoi Dayan { 500304de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 500404de7ddaSRoi Dayan 500504de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 500604de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 500704de7ddaSRoi Dayan } 5008b4a23329SRoi Dayan 5009b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5010b4a23329SRoi Dayan { 5011b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5012b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5013b4a23329SRoi Dayan reoffload_flows_work); 5014b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5015b4a23329SRoi Dayan 5016ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5017b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5018b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5019ad86755bSVlad Buslov unready_flow_del(flow); 5020b4a23329SRoi Dayan } 5021ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5022b4a23329SRoi Dayan } 5023e2394a61SVlad Buslov 5024e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5025e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5026e2394a61SVlad Buslov unsigned long flags) 5027e2394a61SVlad Buslov { 5028e2394a61SVlad Buslov switch (cls_flower->command) { 5029e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5030e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5031e2394a61SVlad Buslov flags); 5032e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5033e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5034e2394a61SVlad Buslov flags); 5035e2394a61SVlad Buslov case FLOW_CLS_STATS: 5036e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5037e2394a61SVlad Buslov flags); 5038e2394a61SVlad Buslov default: 5039e2394a61SVlad Buslov return -EOPNOTSUPP; 5040e2394a61SVlad Buslov } 5041e2394a61SVlad Buslov } 5042e2394a61SVlad Buslov 5043e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5044e2394a61SVlad Buslov void *cb_priv) 5045e2394a61SVlad Buslov { 5046e2394a61SVlad Buslov unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD); 5047e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5048e2394a61SVlad Buslov 5049e2394a61SVlad Buslov switch (type) { 5050e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5051e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5052e2394a61SVlad Buslov default: 5053e2394a61SVlad Buslov return -EOPNOTSUPP; 5054e2394a61SVlad Buslov } 5055e2394a61SVlad Buslov } 5056