1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 34e2394a61SVlad Buslov #include <net/flow_offload.h> 353f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 36e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 37e3a2b7edSAmir Vadai #include <net/tc_act/tc_gact.h> 3812185a9fSAmir Vadai #include <net/tc_act/tc_skbedit.h> 39e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 40e8f887acSAmir Vadai #include <linux/mlx5/device.h> 41e8f887acSAmir Vadai #include <linux/rhashtable.h> 425a7e5bcbSVlad Buslov #include <linux/refcount.h> 43db76ca24SVlad Buslov #include <linux/completion.h> 4403a9d11eSOr Gerlitz #include <net/tc_act/tc_mirred.h> 45776b12b6SOr Gerlitz #include <net/tc_act/tc_vlan.h> 46bbd00f7eSHadar Hen Zion #include <net/tc_act/tc_tunnel_key.h> 47d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4826c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 4914e6b038SEli Cohen #include <net/tc_act/tc_mpls.h> 50f6dfb4c3SHadar Hen Zion #include <net/arp.h> 513616d08bSDavid Ahern #include <net/ipv6_stubs.h> 52f828ca6aSEli Cohen #include <net/bareudp.h> 53d34eb2fcSOr Gerlitz #include <net/bonding.h> 54e8f887acSAmir Vadai #include "en.h" 551d447a39SSaeed Mahameed #include "en_rep.h" 56768c3667SVlad Buslov #include "en/rep/tc.h" 57e2394a61SVlad Buslov #include "en/rep/neigh.h" 58232c0013SHadar Hen Zion #include "en_tc.h" 5903a9d11eSOr Gerlitz #include "eswitch.h" 6049964352SSaeed Mahameed #include "esw/chains.h" 613f6d08d1SOr Gerlitz #include "fs_core.h" 622c81bfd5SHuy Nguyen #include "en/port.h" 63101f4de9SOz Shlomo #include "en/tc_tun.h" 640a7fcb78SPaul Blakey #include "en/mapping.h" 654c3844d9SPaul Blakey #include "en/tc_ct.h" 6604de7ddaSRoi Dayan #include "lib/devcom.h" 679272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 687a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 69e8f887acSAmir Vadai 70d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 710a7fcb78SPaul Blakey 723bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr { 733bc4b7bfSOr Gerlitz u32 action; 743bc4b7bfSOr Gerlitz u32 flow_tag; 752b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 765c65c564SOr Gerlitz u32 hairpin_tirn; 7738aa51c1SOr Gerlitz u8 match_level; 783f6d08d1SOr Gerlitz struct mlx5_flow_table *hairpin_ft; 79b8aee822SMark Bloch struct mlx5_fc *counter; 803bc4b7bfSOr Gerlitz }; 813bc4b7bfSOr Gerlitz 82226f2ca3SVlad Buslov #define MLX5E_TC_FLOW_BASE (MLX5E_TC_FLAG_LAST_EXPORTED_BIT + 1) 8360bd4af8SOr Gerlitz 8465ba8fb7SOr Gerlitz enum { 85226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_INGRESS = MLX5E_TC_FLAG_INGRESS_BIT, 86226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_EGRESS = MLX5E_TC_FLAG_EGRESS_BIT, 87226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_ESWITCH = MLX5E_TC_FLAG_ESW_OFFLOAD_BIT, 8884179981SPaul Blakey MLX5E_TC_FLOW_FLAG_FT = MLX5E_TC_FLAG_FT_OFFLOAD_BIT, 89226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NIC = MLX5E_TC_FLAG_NIC_OFFLOAD_BIT, 90226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_OFFLOADED = MLX5E_TC_FLOW_BASE, 91226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN = MLX5E_TC_FLOW_BASE + 1, 92226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_HAIRPIN_RSS = MLX5E_TC_FLOW_BASE + 2, 93226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_SLOW = MLX5E_TC_FLOW_BASE + 3, 94226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_DUP = MLX5E_TC_FLOW_BASE + 4, 95226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5, 96c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6, 974c3844d9SPaul Blakey MLX5E_TC_FLOW_FLAG_CT = MLX5E_TC_FLOW_BASE + 7, 9814e6b038SEli Cohen MLX5E_TC_FLOW_FLAG_L3_TO_L2_DECAP = MLX5E_TC_FLOW_BASE + 8, 9965ba8fb7SOr Gerlitz }; 10065ba8fb7SOr Gerlitz 101e4ad91f2SChris Mi #define MLX5E_TC_MAX_SPLITS 1 102e4ad91f2SChris Mi 10379baaec7SEli Britstein /* Helper struct for accessing a struct containing list_head array. 10479baaec7SEli Britstein * Containing struct 10579baaec7SEli Britstein * |- Helper array 10679baaec7SEli Britstein * [0] Helper item 0 10779baaec7SEli Britstein * |- list_head item 0 10879baaec7SEli Britstein * |- index (0) 10979baaec7SEli Britstein * [1] Helper item 1 11079baaec7SEli Britstein * |- list_head item 1 11179baaec7SEli Britstein * |- index (1) 11279baaec7SEli Britstein * To access the containing struct from one of the list_head items: 11379baaec7SEli Britstein * 1. Get the helper item from the list_head item using 11479baaec7SEli Britstein * helper item = 11579baaec7SEli Britstein * container_of(list_head item, helper struct type, list_head field) 11679baaec7SEli Britstein * 2. Get the contining struct from the helper item and its index in the array: 11779baaec7SEli Britstein * containing struct = 11879baaec7SEli Britstein * container_of(helper item, containing struct type, helper field[index]) 11979baaec7SEli Britstein */ 12079baaec7SEli Britstein struct encap_flow_item { 121948993f2SVlad Buslov struct mlx5e_encap_entry *e; /* attached encap instance */ 12279baaec7SEli Britstein struct list_head list; 12379baaec7SEli Britstein int index; 12479baaec7SEli Britstein }; 12579baaec7SEli Britstein 126e8f887acSAmir Vadai struct mlx5e_tc_flow { 127e8f887acSAmir Vadai struct rhash_head node; 128655dc3d2SOr Gerlitz struct mlx5e_priv *priv; 129e8f887acSAmir Vadai u64 cookie; 130226f2ca3SVlad Buslov unsigned long flags; 131e4ad91f2SChris Mi struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1]; 13214e6b038SEli Cohen 13314e6b038SEli Cohen /* flows sharing the same reformat object - currently mpls decap */ 13414e6b038SEli Cohen struct list_head l3_to_l2_reformat; 13514e6b038SEli Cohen struct mlx5e_decap_entry *decap_reformat; 13614e6b038SEli Cohen 13779baaec7SEli Britstein /* Flow can be associated with multiple encap IDs. 13879baaec7SEli Britstein * The number of encaps is bounded by the number of supported 13979baaec7SEli Britstein * destinations. 14079baaec7SEli Britstein */ 14179baaec7SEli Britstein struct encap_flow_item encaps[MLX5_MAX_FLOW_FWD_VPORTS]; 14204de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 143dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh; /* attached mod header instance */ 14411c9c548SOr Gerlitz struct list_head mod_hdr; /* flows sharing the same mod hdr ID */ 145e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe; /* attached hairpin instance */ 1465c65c564SOr Gerlitz struct list_head hairpin; /* flows sharing the same hairpin */ 14704de7ddaSRoi Dayan struct list_head peer; /* flows with peer flow */ 148b4a23329SRoi Dayan struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */ 149553f9328SVu Pham struct net_device *orig_dev; /* netdev adding flow first */ 1502a1f1768SVlad Buslov int tmp_efi_index; 1516a06c2f7SVlad Buslov struct list_head tmp_list; /* temporary flow list used by neigh update */ 1525a7e5bcbSVlad Buslov refcount_t refcnt; 153c5d326b2SVlad Buslov struct rcu_head rcu_head; 15495435ad7SVlad Buslov struct completion init_done; 1550a7fcb78SPaul Blakey int tunnel_id; /* the mapped tunnel id of this flow */ 1560a7fcb78SPaul Blakey 1573bc4b7bfSOr Gerlitz union { 158ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr esw_attr[0]; 1593bc4b7bfSOr Gerlitz struct mlx5_nic_flow_attr nic_attr[0]; 1603bc4b7bfSOr Gerlitz }; 161e8f887acSAmir Vadai }; 162e8f887acSAmir Vadai 16317091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr { 1641f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info[MLX5_MAX_FLOW_FWD_VPORTS]; 165d11afc26SOz Shlomo struct net_device *filter_dev; 16617091853SOr Gerlitz struct mlx5_flow_spec spec; 1676ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts mod_hdr_acts; 16898b66cb1SEli Britstein int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS]; 16914e6b038SEli Cohen struct ethhdr eth; 17017091853SOr Gerlitz }; 17117091853SOr Gerlitz 172acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 173b3a433deSOr Gerlitz #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16) 174e8f887acSAmir Vadai 1758f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 1768f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 1778f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 1788f1e0b97SPaul Blakey .moffset = 0, 1798f1e0b97SPaul Blakey .mlen = 2, 1808f1e0b97SPaul Blakey }, 1810a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 1820a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 1830a7fcb78SPaul Blakey .moffset = 3, 1840a7fcb78SPaul Blakey .mlen = 1, 1850a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 1860a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 1870a7fcb78SPaul Blakey }, 1884c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 1894c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1904c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1914c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1924c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 1935c6b9460SPaul Blakey [TUPLEID_TO_REG] = tupleid_to_reg_ct, 1948f1e0b97SPaul Blakey }; 1958f1e0b97SPaul Blakey 1960a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1970a7fcb78SPaul Blakey 1980a7fcb78SPaul Blakey void 1990a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 2000a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2010a7fcb78SPaul Blakey u32 data, 2020a7fcb78SPaul Blakey u32 mask) 2030a7fcb78SPaul Blakey { 2040a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 2050a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2060a7fcb78SPaul Blakey void *headers_c = spec->match_criteria; 2070a7fcb78SPaul Blakey void *headers_v = spec->match_value; 2080a7fcb78SPaul Blakey void *fmask, *fval; 2090a7fcb78SPaul Blakey 2100a7fcb78SPaul Blakey fmask = headers_c + soffset; 2110a7fcb78SPaul Blakey fval = headers_v + soffset; 2120a7fcb78SPaul Blakey 21358ff18e1SSaeed Mahameed mask = (__force u32)(cpu_to_be32(mask)) >> (32 - (match_len * 8)); 21458ff18e1SSaeed Mahameed data = (__force u32)(cpu_to_be32(data)) >> (32 - (match_len * 8)); 2150a7fcb78SPaul Blakey 2160a7fcb78SPaul Blakey memcpy(fmask, &mask, match_len); 2170a7fcb78SPaul Blakey memcpy(fval, &data, match_len); 2180a7fcb78SPaul Blakey 2190a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 2200a7fcb78SPaul Blakey } 2210a7fcb78SPaul Blakey 2220a7fcb78SPaul Blakey int 2230a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 2240a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 2250a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2260a7fcb78SPaul Blakey u32 data) 2270a7fcb78SPaul Blakey { 2280a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2290a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2300a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2310a7fcb78SPaul Blakey char *modact; 2320a7fcb78SPaul Blakey int err; 2330a7fcb78SPaul Blakey 2340a7fcb78SPaul Blakey err = alloc_mod_hdr_actions(mdev, MLX5_FLOW_NAMESPACE_FDB, 2350a7fcb78SPaul Blakey mod_hdr_acts); 2360a7fcb78SPaul Blakey if (err) 2370a7fcb78SPaul Blakey return err; 2380a7fcb78SPaul Blakey 2390a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 2400a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 2410a7fcb78SPaul Blakey 2420a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 2430a7fcb78SPaul Blakey if (mlen == 4) 2440a7fcb78SPaul Blakey mlen = 0; 2450a7fcb78SPaul Blakey 2460a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2470a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 2480a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset * 8); 2490a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, length, mlen * 8); 2500a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 2510a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2520a7fcb78SPaul Blakey 2530a7fcb78SPaul Blakey return 0; 2540a7fcb78SPaul Blakey } 2550a7fcb78SPaul Blakey 25677ab67b7SOr Gerlitz struct mlx5e_hairpin { 25777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 25877ab67b7SOr Gerlitz 25977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 2603f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 26177ab67b7SOr Gerlitz u32 tdn; 26277ab67b7SOr Gerlitz u32 tirn; 2633f6d08d1SOr Gerlitz 2643f6d08d1SOr Gerlitz int num_channels; 2653f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 2663f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 2673f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 26877ab67b7SOr Gerlitz }; 26977ab67b7SOr Gerlitz 2705c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 2715c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 2725c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 2735c65c564SOr Gerlitz 27473edca73SVlad Buslov /* protects flows list */ 27573edca73SVlad Buslov spinlock_t flows_lock; 2765c65c564SOr Gerlitz /* flows sharing the same hairpin */ 2775c65c564SOr Gerlitz struct list_head flows; 278db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 279db76ca24SVlad Buslov * function traversed them. 280db76ca24SVlad Buslov */ 281db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 2825c65c564SOr Gerlitz 283d8822868SOr Gerlitz u16 peer_vhca_id; 284106be53bSOr Gerlitz u8 prio; 2855c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 286e4f9abbdSVlad Buslov refcount_t refcnt; 287db76ca24SVlad Buslov struct completion res_ready; 2885c65c564SOr Gerlitz }; 2895c65c564SOr Gerlitz 29011c9c548SOr Gerlitz struct mod_hdr_key { 29111c9c548SOr Gerlitz int num_actions; 29211c9c548SOr Gerlitz void *actions; 29311c9c548SOr Gerlitz }; 29411c9c548SOr Gerlitz 29511c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry { 29611c9c548SOr Gerlitz /* a node of a hash table which keeps all the mod_hdr entries */ 29711c9c548SOr Gerlitz struct hlist_node mod_hdr_hlist; 29811c9c548SOr Gerlitz 29983a52f0dSVlad Buslov /* protects flows list */ 30083a52f0dSVlad Buslov spinlock_t flows_lock; 30111c9c548SOr Gerlitz /* flows sharing the same mod_hdr entry */ 30211c9c548SOr Gerlitz struct list_head flows; 30311c9c548SOr Gerlitz 30411c9c548SOr Gerlitz struct mod_hdr_key key; 30511c9c548SOr Gerlitz 3062b688ea5SMaor Gottlieb struct mlx5_modify_hdr *modify_hdr; 307dd58edc3SVlad Buslov 308dd58edc3SVlad Buslov refcount_t refcnt; 309a734d007SVlad Buslov struct completion res_ready; 310a734d007SVlad Buslov int compl_result; 31111c9c548SOr Gerlitz }; 31211c9c548SOr Gerlitz 3135a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3145a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3155a7e5bcbSVlad Buslov 3165a7e5bcbSVlad Buslov static struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3175a7e5bcbSVlad Buslov { 3185a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3195a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3205a7e5bcbSVlad Buslov return flow; 3215a7e5bcbSVlad Buslov } 3225a7e5bcbSVlad Buslov 3235a7e5bcbSVlad Buslov static void mlx5e_flow_put(struct mlx5e_priv *priv, 3245a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow) 3255a7e5bcbSVlad Buslov { 3265a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3275a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 328c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3295a7e5bcbSVlad Buslov } 3305a7e5bcbSVlad Buslov } 3315a7e5bcbSVlad Buslov 332226f2ca3SVlad Buslov static void __flow_flag_set(struct mlx5e_tc_flow *flow, unsigned long flag) 333226f2ca3SVlad Buslov { 334226f2ca3SVlad Buslov /* Complete all memory stores before setting bit. */ 335226f2ca3SVlad Buslov smp_mb__before_atomic(); 336226f2ca3SVlad Buslov set_bit(flag, &flow->flags); 337226f2ca3SVlad Buslov } 338226f2ca3SVlad Buslov 339226f2ca3SVlad Buslov #define flow_flag_set(flow, flag) __flow_flag_set(flow, MLX5E_TC_FLOW_FLAG_##flag) 340226f2ca3SVlad Buslov 341c5d326b2SVlad Buslov static bool __flow_flag_test_and_set(struct mlx5e_tc_flow *flow, 342c5d326b2SVlad Buslov unsigned long flag) 343c5d326b2SVlad Buslov { 344c5d326b2SVlad Buslov /* test_and_set_bit() provides all necessary barriers */ 345c5d326b2SVlad Buslov return test_and_set_bit(flag, &flow->flags); 346c5d326b2SVlad Buslov } 347c5d326b2SVlad Buslov 348c5d326b2SVlad Buslov #define flow_flag_test_and_set(flow, flag) \ 349c5d326b2SVlad Buslov __flow_flag_test_and_set(flow, \ 350c5d326b2SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 351c5d326b2SVlad Buslov 352226f2ca3SVlad Buslov static void __flow_flag_clear(struct mlx5e_tc_flow *flow, unsigned long flag) 353226f2ca3SVlad Buslov { 354226f2ca3SVlad Buslov /* Complete all memory stores before clearing bit. */ 355226f2ca3SVlad Buslov smp_mb__before_atomic(); 356226f2ca3SVlad Buslov clear_bit(flag, &flow->flags); 357226f2ca3SVlad Buslov } 358226f2ca3SVlad Buslov 359226f2ca3SVlad Buslov #define flow_flag_clear(flow, flag) __flow_flag_clear(flow, \ 360226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 361226f2ca3SVlad Buslov 362226f2ca3SVlad Buslov static bool __flow_flag_test(struct mlx5e_tc_flow *flow, unsigned long flag) 363226f2ca3SVlad Buslov { 364226f2ca3SVlad Buslov bool ret = test_bit(flag, &flow->flags); 365226f2ca3SVlad Buslov 366226f2ca3SVlad Buslov /* Read fields of flow structure only after checking flags. */ 367226f2ca3SVlad Buslov smp_mb__after_atomic(); 368226f2ca3SVlad Buslov return ret; 369226f2ca3SVlad Buslov } 370226f2ca3SVlad Buslov 371226f2ca3SVlad Buslov #define flow_flag_test(flow, flag) __flow_flag_test(flow, \ 372226f2ca3SVlad Buslov MLX5E_TC_FLOW_FLAG_##flag) 373226f2ca3SVlad Buslov 374226f2ca3SVlad Buslov static bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 375226f2ca3SVlad Buslov { 376226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 377226f2ca3SVlad Buslov } 378226f2ca3SVlad Buslov 37984179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 38084179981SPaul Blakey { 38184179981SPaul Blakey return flow_flag_test(flow, FT); 38284179981SPaul Blakey } 38384179981SPaul Blakey 384226f2ca3SVlad Buslov static bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 385226f2ca3SVlad Buslov { 386226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 387226f2ca3SVlad Buslov } 388226f2ca3SVlad Buslov 38911c9c548SOr Gerlitz static inline u32 hash_mod_hdr_info(struct mod_hdr_key *key) 39011c9c548SOr Gerlitz { 39111c9c548SOr Gerlitz return jhash(key->actions, 39211c9c548SOr Gerlitz key->num_actions * MLX5_MH_ACT_SZ, 0); 39311c9c548SOr Gerlitz } 39411c9c548SOr Gerlitz 39511c9c548SOr Gerlitz static inline int cmp_mod_hdr_info(struct mod_hdr_key *a, 39611c9c548SOr Gerlitz struct mod_hdr_key *b) 39711c9c548SOr Gerlitz { 39811c9c548SOr Gerlitz if (a->num_actions != b->num_actions) 39911c9c548SOr Gerlitz return 1; 40011c9c548SOr Gerlitz 40111c9c548SOr Gerlitz return memcmp(a->actions, b->actions, a->num_actions * MLX5_MH_ACT_SZ); 40211c9c548SOr Gerlitz } 40311c9c548SOr Gerlitz 404dd58edc3SVlad Buslov static struct mod_hdr_tbl * 405dd58edc3SVlad Buslov get_mod_hdr_table(struct mlx5e_priv *priv, int namespace) 406dd58edc3SVlad Buslov { 407dd58edc3SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 408dd58edc3SVlad Buslov 409dd58edc3SVlad Buslov return namespace == MLX5_FLOW_NAMESPACE_FDB ? &esw->offloads.mod_hdr : 410dd58edc3SVlad Buslov &priv->fs.tc.mod_hdr; 411dd58edc3SVlad Buslov } 412dd58edc3SVlad Buslov 413dd58edc3SVlad Buslov static struct mlx5e_mod_hdr_entry * 414dd58edc3SVlad Buslov mlx5e_mod_hdr_get(struct mod_hdr_tbl *tbl, struct mod_hdr_key *key, u32 hash_key) 415dd58edc3SVlad Buslov { 416dd58edc3SVlad Buslov struct mlx5e_mod_hdr_entry *mh, *found = NULL; 417dd58edc3SVlad Buslov 418dd58edc3SVlad Buslov hash_for_each_possible(tbl->hlist, mh, mod_hdr_hlist, hash_key) { 419dd58edc3SVlad Buslov if (!cmp_mod_hdr_info(&mh->key, key)) { 420dd58edc3SVlad Buslov refcount_inc(&mh->refcnt); 421dd58edc3SVlad Buslov found = mh; 422dd58edc3SVlad Buslov break; 423dd58edc3SVlad Buslov } 424dd58edc3SVlad Buslov } 425dd58edc3SVlad Buslov 426dd58edc3SVlad Buslov return found; 427dd58edc3SVlad Buslov } 428dd58edc3SVlad Buslov 429dd58edc3SVlad Buslov static void mlx5e_mod_hdr_put(struct mlx5e_priv *priv, 430d2faae25SVlad Buslov struct mlx5e_mod_hdr_entry *mh, 431d2faae25SVlad Buslov int namespace) 432dd58edc3SVlad Buslov { 433d2faae25SVlad Buslov struct mod_hdr_tbl *tbl = get_mod_hdr_table(priv, namespace); 434d2faae25SVlad Buslov 435d2faae25SVlad Buslov if (!refcount_dec_and_mutex_lock(&mh->refcnt, &tbl->lock)) 436dd58edc3SVlad Buslov return; 437d2faae25SVlad Buslov hash_del(&mh->mod_hdr_hlist); 438d2faae25SVlad Buslov mutex_unlock(&tbl->lock); 439dd58edc3SVlad Buslov 440dd58edc3SVlad Buslov WARN_ON(!list_empty(&mh->flows)); 441a734d007SVlad Buslov if (mh->compl_result > 0) 4422b688ea5SMaor Gottlieb mlx5_modify_header_dealloc(priv->mdev, mh->modify_hdr); 443d2faae25SVlad Buslov 444dd58edc3SVlad Buslov kfree(mh); 445dd58edc3SVlad Buslov } 446dd58edc3SVlad Buslov 447d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 448d2faae25SVlad Buslov { 449d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 450d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 451d2faae25SVlad Buslov } 45211c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 45311c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 45411c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 45511c9c548SOr Gerlitz { 45611c9c548SOr Gerlitz int num_actions, actions_size, namespace, err; 45711c9c548SOr Gerlitz struct mlx5e_mod_hdr_entry *mh; 458dd58edc3SVlad Buslov struct mod_hdr_tbl *tbl; 45911c9c548SOr Gerlitz struct mod_hdr_key key; 46011c9c548SOr Gerlitz u32 hash_key; 46111c9c548SOr Gerlitz 4626ae4a6a5SPaul Blakey num_actions = parse_attr->mod_hdr_acts.num_actions; 46311c9c548SOr Gerlitz actions_size = MLX5_MH_ACT_SZ * num_actions; 46411c9c548SOr Gerlitz 4656ae4a6a5SPaul Blakey key.actions = parse_attr->mod_hdr_acts.actions; 46611c9c548SOr Gerlitz key.num_actions = num_actions; 46711c9c548SOr Gerlitz 46811c9c548SOr Gerlitz hash_key = hash_mod_hdr_info(&key); 46911c9c548SOr Gerlitz 470d2faae25SVlad Buslov namespace = get_flow_name_space(flow); 471dd58edc3SVlad Buslov tbl = get_mod_hdr_table(priv, namespace); 47211c9c548SOr Gerlitz 473d2faae25SVlad Buslov mutex_lock(&tbl->lock); 474dd58edc3SVlad Buslov mh = mlx5e_mod_hdr_get(tbl, &key, hash_key); 475a734d007SVlad Buslov if (mh) { 476a734d007SVlad Buslov mutex_unlock(&tbl->lock); 477a734d007SVlad Buslov wait_for_completion(&mh->res_ready); 478a734d007SVlad Buslov 479a734d007SVlad Buslov if (mh->compl_result < 0) { 480a734d007SVlad Buslov err = -EREMOTEIO; 481a734d007SVlad Buslov goto attach_header_err; 482a734d007SVlad Buslov } 48311c9c548SOr Gerlitz goto attach_flow; 484a734d007SVlad Buslov } 48511c9c548SOr Gerlitz 48611c9c548SOr Gerlitz mh = kzalloc(sizeof(*mh) + actions_size, GFP_KERNEL); 487d2faae25SVlad Buslov if (!mh) { 488a734d007SVlad Buslov mutex_unlock(&tbl->lock); 489a734d007SVlad Buslov return -ENOMEM; 490d2faae25SVlad Buslov } 49111c9c548SOr Gerlitz 49211c9c548SOr Gerlitz mh->key.actions = (void *)mh + sizeof(*mh); 49311c9c548SOr Gerlitz memcpy(mh->key.actions, key.actions, actions_size); 49411c9c548SOr Gerlitz mh->key.num_actions = num_actions; 49583a52f0dSVlad Buslov spin_lock_init(&mh->flows_lock); 49611c9c548SOr Gerlitz INIT_LIST_HEAD(&mh->flows); 497dd58edc3SVlad Buslov refcount_set(&mh->refcnt, 1); 498a734d007SVlad Buslov init_completion(&mh->res_ready); 499a734d007SVlad Buslov 500a734d007SVlad Buslov hash_add(tbl->hlist, &mh->mod_hdr_hlist, hash_key); 501a734d007SVlad Buslov mutex_unlock(&tbl->lock); 50211c9c548SOr Gerlitz 5032b688ea5SMaor Gottlieb mh->modify_hdr = mlx5_modify_header_alloc(priv->mdev, namespace, 50411c9c548SOr Gerlitz mh->key.num_actions, 5052b688ea5SMaor Gottlieb mh->key.actions); 5062b688ea5SMaor Gottlieb if (IS_ERR(mh->modify_hdr)) { 5072b688ea5SMaor Gottlieb err = PTR_ERR(mh->modify_hdr); 508a734d007SVlad Buslov mh->compl_result = err; 509a734d007SVlad Buslov goto alloc_header_err; 510a734d007SVlad Buslov } 511a734d007SVlad Buslov mh->compl_result = 1; 512a734d007SVlad Buslov complete_all(&mh->res_ready); 51311c9c548SOr Gerlitz 51411c9c548SOr Gerlitz attach_flow: 515dd58edc3SVlad Buslov flow->mh = mh; 51683a52f0dSVlad Buslov spin_lock(&mh->flows_lock); 51711c9c548SOr Gerlitz list_add(&flow->mod_hdr, &mh->flows); 51883a52f0dSVlad Buslov spin_unlock(&mh->flows_lock); 519d2faae25SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 5202b688ea5SMaor Gottlieb flow->esw_attr->modify_hdr = mh->modify_hdr; 52111c9c548SOr Gerlitz else 5222b688ea5SMaor Gottlieb flow->nic_attr->modify_hdr = mh->modify_hdr; 52311c9c548SOr Gerlitz 52411c9c548SOr Gerlitz return 0; 52511c9c548SOr Gerlitz 526a734d007SVlad Buslov alloc_header_err: 527a734d007SVlad Buslov complete_all(&mh->res_ready); 528a734d007SVlad Buslov attach_header_err: 529a734d007SVlad Buslov mlx5e_mod_hdr_put(priv, mh, namespace); 53011c9c548SOr Gerlitz return err; 53111c9c548SOr Gerlitz } 53211c9c548SOr Gerlitz 53311c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 53411c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 53511c9c548SOr Gerlitz { 5365a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 537dd58edc3SVlad Buslov if (!flow->mh) 5385a7e5bcbSVlad Buslov return; 5395a7e5bcbSVlad Buslov 54083a52f0dSVlad Buslov spin_lock(&flow->mh->flows_lock); 54111c9c548SOr Gerlitz list_del(&flow->mod_hdr); 54283a52f0dSVlad Buslov spin_unlock(&flow->mh->flows_lock); 54311c9c548SOr Gerlitz 544d2faae25SVlad Buslov mlx5e_mod_hdr_put(priv, flow->mh, get_flow_name_space(flow)); 545dd58edc3SVlad Buslov flow->mh = NULL; 54611c9c548SOr Gerlitz } 54711c9c548SOr Gerlitz 54877ab67b7SOr Gerlitz static 54977ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 55077ab67b7SOr Gerlitz { 55177ab67b7SOr Gerlitz struct net_device *netdev; 55277ab67b7SOr Gerlitz struct mlx5e_priv *priv; 55377ab67b7SOr Gerlitz 55477ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 55577ab67b7SOr Gerlitz priv = netdev_priv(netdev); 55677ab67b7SOr Gerlitz return priv->mdev; 55777ab67b7SOr Gerlitz } 55877ab67b7SOr Gerlitz 55977ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 56077ab67b7SOr Gerlitz { 561e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {}; 56277ab67b7SOr Gerlitz void *tirc; 56377ab67b7SOr Gerlitz int err; 56477ab67b7SOr Gerlitz 56577ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 56677ab67b7SOr Gerlitz if (err) 56777ab67b7SOr Gerlitz goto alloc_tdn_err; 56877ab67b7SOr Gerlitz 56977ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 57077ab67b7SOr Gerlitz 57177ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 572ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 57377ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 57477ab67b7SOr Gerlitz 575e0b4b472SLeon Romanovsky err = mlx5_core_create_tir(hp->func_mdev, in, &hp->tirn); 57677ab67b7SOr Gerlitz if (err) 57777ab67b7SOr Gerlitz goto create_tir_err; 57877ab67b7SOr Gerlitz 57977ab67b7SOr Gerlitz return 0; 58077ab67b7SOr Gerlitz 58177ab67b7SOr Gerlitz create_tir_err: 58277ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 58377ab67b7SOr Gerlitz alloc_tdn_err: 58477ab67b7SOr Gerlitz return err; 58577ab67b7SOr Gerlitz } 58677ab67b7SOr Gerlitz 58777ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 58877ab67b7SOr Gerlitz { 58977ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 59077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 59177ab67b7SOr Gerlitz } 59277ab67b7SOr Gerlitz 5933f6d08d1SOr Gerlitz static void mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 5943f6d08d1SOr Gerlitz { 5953f6d08d1SOr Gerlitz u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE], rqn; 5963f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5973f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 5983f6d08d1SOr Gerlitz 5993f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 6003f6d08d1SOr Gerlitz hp->num_channels); 6013f6d08d1SOr Gerlitz 6023f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 6033f6d08d1SOr Gerlitz ix = i; 604bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 6053f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 6063f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 6073f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 6083f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 6093f6d08d1SOr Gerlitz } 6103f6d08d1SOr Gerlitz } 6113f6d08d1SOr Gerlitz 6123f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 6133f6d08d1SOr Gerlitz { 6143f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 6153f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6163f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 6173f6d08d1SOr Gerlitz void *rqtc; 6183f6d08d1SOr Gerlitz u32 *in; 6193f6d08d1SOr Gerlitz 6203f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 6213f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 6223f6d08d1SOr Gerlitz if (!in) 6233f6d08d1SOr Gerlitz return -ENOMEM; 6243f6d08d1SOr Gerlitz 6253f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 6263f6d08d1SOr Gerlitz 6273f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 6283f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 6293f6d08d1SOr Gerlitz 6303f6d08d1SOr Gerlitz mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 6313f6d08d1SOr Gerlitz 6323f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 6333f6d08d1SOr Gerlitz if (!err) 6343f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 6353f6d08d1SOr Gerlitz 6363f6d08d1SOr Gerlitz kvfree(in); 6373f6d08d1SOr Gerlitz return err; 6383f6d08d1SOr Gerlitz } 6393f6d08d1SOr Gerlitz 6403f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 6413f6d08d1SOr Gerlitz { 6423f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6433f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 6443f6d08d1SOr Gerlitz int tt, i, err; 6453f6d08d1SOr Gerlitz void *tirc; 6463f6d08d1SOr Gerlitz 6473f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 648d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 649d930ac79SAya Levin 6503f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 6513f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 6523f6d08d1SOr Gerlitz 6533f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 6543f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 6553f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 656bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 657bbeb53b8SAya Levin 6583f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 659e0b4b472SLeon Romanovsky &hp->indir_tirn[tt]); 6603f6d08d1SOr Gerlitz if (err) { 6613f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 6623f6d08d1SOr Gerlitz goto err_destroy_tirs; 6633f6d08d1SOr Gerlitz } 6643f6d08d1SOr Gerlitz } 6653f6d08d1SOr Gerlitz return 0; 6663f6d08d1SOr Gerlitz 6673f6d08d1SOr Gerlitz err_destroy_tirs: 6683f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 6693f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 6703f6d08d1SOr Gerlitz return err; 6713f6d08d1SOr Gerlitz } 6723f6d08d1SOr Gerlitz 6733f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 6743f6d08d1SOr Gerlitz { 6753f6d08d1SOr Gerlitz int tt; 6763f6d08d1SOr Gerlitz 6773f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6783f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 6793f6d08d1SOr Gerlitz } 6803f6d08d1SOr Gerlitz 6813f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 6823f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6833f6d08d1SOr Gerlitz { 6843f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6853f6d08d1SOr Gerlitz int tt; 6863f6d08d1SOr Gerlitz 6873f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6883f6d08d1SOr Gerlitz 6893f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 6903f6d08d1SOr Gerlitz 6913f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 6923f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 6933f6d08d1SOr Gerlitz 6946412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 6953f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6963f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6973f6d08d1SOr Gerlitz } 6983f6d08d1SOr Gerlitz 6993f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 7003f6d08d1SOr Gerlitz { 7013f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7023f6d08d1SOr Gerlitz struct ttc_params ttc_params; 7033f6d08d1SOr Gerlitz int err; 7043f6d08d1SOr Gerlitz 7053f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 7063f6d08d1SOr Gerlitz if (err) 7073f6d08d1SOr Gerlitz return err; 7083f6d08d1SOr Gerlitz 7093f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 7103f6d08d1SOr Gerlitz if (err) 7113f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 7123f6d08d1SOr Gerlitz 7133f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 7143f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 7153f6d08d1SOr Gerlitz if (err) 7163f6d08d1SOr Gerlitz goto err_create_ttc_table; 7173f6d08d1SOr Gerlitz 7183f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 7193f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 7203f6d08d1SOr Gerlitz 7213f6d08d1SOr Gerlitz return 0; 7223f6d08d1SOr Gerlitz 7233f6d08d1SOr Gerlitz err_create_ttc_table: 7243f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 7253f6d08d1SOr Gerlitz err_create_indirect_tirs: 7263f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 7273f6d08d1SOr Gerlitz 7283f6d08d1SOr Gerlitz return err; 7293f6d08d1SOr Gerlitz } 7303f6d08d1SOr Gerlitz 7313f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 7323f6d08d1SOr Gerlitz { 7333f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 7343f6d08d1SOr Gerlitz 7353f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 7363f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 7373f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 7383f6d08d1SOr Gerlitz } 7393f6d08d1SOr Gerlitz 74077ab67b7SOr Gerlitz static struct mlx5e_hairpin * 74177ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 74277ab67b7SOr Gerlitz int peer_ifindex) 74377ab67b7SOr Gerlitz { 74477ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 74577ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 74677ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 74777ab67b7SOr Gerlitz int err; 74877ab67b7SOr Gerlitz 74977ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 75077ab67b7SOr Gerlitz if (!hp) 75177ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 75277ab67b7SOr Gerlitz 75377ab67b7SOr Gerlitz func_mdev = priv->mdev; 75477ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 75577ab67b7SOr Gerlitz 75677ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 75777ab67b7SOr Gerlitz if (IS_ERR(pair)) { 75877ab67b7SOr Gerlitz err = PTR_ERR(pair); 75977ab67b7SOr Gerlitz goto create_pair_err; 76077ab67b7SOr Gerlitz } 76177ab67b7SOr Gerlitz hp->pair = pair; 76277ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 7633f6d08d1SOr Gerlitz hp->func_priv = priv; 7643f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 76577ab67b7SOr Gerlitz 76677ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 76777ab67b7SOr Gerlitz if (err) 76877ab67b7SOr Gerlitz goto create_transport_err; 76977ab67b7SOr Gerlitz 7703f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 7713f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 7723f6d08d1SOr Gerlitz if (err) 7733f6d08d1SOr Gerlitz goto rss_init_err; 7743f6d08d1SOr Gerlitz } 7753f6d08d1SOr Gerlitz 77677ab67b7SOr Gerlitz return hp; 77777ab67b7SOr Gerlitz 7783f6d08d1SOr Gerlitz rss_init_err: 7793f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 78077ab67b7SOr Gerlitz create_transport_err: 78177ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 78277ab67b7SOr Gerlitz create_pair_err: 78377ab67b7SOr Gerlitz kfree(hp); 78477ab67b7SOr Gerlitz return ERR_PTR(err); 78577ab67b7SOr Gerlitz } 78677ab67b7SOr Gerlitz 78777ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 78877ab67b7SOr Gerlitz { 7893f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7903f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 79177ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 79277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 79377ab67b7SOr Gerlitz kvfree(hp); 79477ab67b7SOr Gerlitz } 79577ab67b7SOr Gerlitz 796106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 797106be53bSOr Gerlitz { 798106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 799106be53bSOr Gerlitz } 800106be53bSOr Gerlitz 8015c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 802106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 8035c65c564SOr Gerlitz { 8045c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 805106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 8065c65c564SOr Gerlitz 8075c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 808106be53bSOr Gerlitz hairpin_hlist, hash_key) { 809e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 810e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 8115c65c564SOr Gerlitz return hpe; 8125c65c564SOr Gerlitz } 813e4f9abbdSVlad Buslov } 8145c65c564SOr Gerlitz 8155c65c564SOr Gerlitz return NULL; 8165c65c564SOr Gerlitz } 8175c65c564SOr Gerlitz 818e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 819e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 820e4f9abbdSVlad Buslov { 821e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 822b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 823e4f9abbdSVlad Buslov return; 824b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 825b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 826e4f9abbdSVlad Buslov 827db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 828e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 829e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 830e4f9abbdSVlad Buslov 831e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 832db76ca24SVlad Buslov } 833db76ca24SVlad Buslov 834db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 835e4f9abbdSVlad Buslov kfree(hpe); 836e4f9abbdSVlad Buslov } 837e4f9abbdSVlad Buslov 838106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 839106be53bSOr Gerlitz 840106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 841e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 842e98bedf5SEli Britstein struct netlink_ext_ack *extack) 843106be53bSOr Gerlitz { 844106be53bSOr Gerlitz void *headers_c, *headers_v; 845106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 846106be53bSOr Gerlitz bool vlan_present; 847106be53bSOr Gerlitz 848106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 849106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 850e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 851e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 852106be53bSOr Gerlitz return -EOPNOTSUPP; 853106be53bSOr Gerlitz } 854106be53bSOr Gerlitz #endif 855106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 856106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 857106be53bSOr Gerlitz 858106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 859106be53bSOr Gerlitz if (vlan_present) { 860106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 861106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 862106be53bSOr Gerlitz } 863106be53bSOr Gerlitz 864106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 865106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 866106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 867e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 868e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 869106be53bSOr Gerlitz return -EOPNOTSUPP; 870106be53bSOr Gerlitz } 871106be53bSOr Gerlitz 872106be53bSOr Gerlitz *match_prio = prio_val; 873106be53bSOr Gerlitz return 0; 874106be53bSOr Gerlitz } 875106be53bSOr Gerlitz 8765c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8775c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 878e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 879e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8805c65c564SOr Gerlitz { 88198b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8825c65c564SOr Gerlitz struct mlx5_hairpin_params params; 883d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8845c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8855c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8863f6d08d1SOr Gerlitz u64 link_speed64; 8873f6d08d1SOr Gerlitz u32 link_speed; 888106be53bSOr Gerlitz u8 match_prio; 889d8822868SOr Gerlitz u16 peer_id; 8905c65c564SOr Gerlitz int err; 8915c65c564SOr Gerlitz 892d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 893d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 894e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8955c65c564SOr Gerlitz return -EOPNOTSUPP; 8965c65c564SOr Gerlitz } 8975c65c564SOr Gerlitz 898d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 899e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 900e98bedf5SEli Britstein extack); 901106be53bSOr Gerlitz if (err) 902106be53bSOr Gerlitz return err; 903b32accdaSVlad Buslov 904b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 905106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 906db76ca24SVlad Buslov if (hpe) { 907db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 908db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 909db76ca24SVlad Buslov 910db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 911db76ca24SVlad Buslov err = -EREMOTEIO; 912db76ca24SVlad Buslov goto out_err; 913db76ca24SVlad Buslov } 9145c65c564SOr Gerlitz goto attach_flow; 915db76ca24SVlad Buslov } 9165c65c564SOr Gerlitz 9175c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 918b32accdaSVlad Buslov if (!hpe) { 919db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 920db76ca24SVlad Buslov return -ENOMEM; 921b32accdaSVlad Buslov } 9225c65c564SOr Gerlitz 92373edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 9245c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 925db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 926d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 927106be53bSOr Gerlitz hpe->prio = match_prio; 928e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 929db76ca24SVlad Buslov init_completion(&hpe->res_ready); 930db76ca24SVlad Buslov 931db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 932db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 933db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 9345c65c564SOr Gerlitz 9355c65c564SOr Gerlitz params.log_data_size = 15; 9365c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 9375c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 9385c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 9395c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 9405c65c564SOr Gerlitz 941eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 942eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 943eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 944eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 945eb9180f7SOr Gerlitz 946eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 9473f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 9482c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 9493f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 9503f6d08d1SOr Gerlitz link_speed64 = link_speed; 9513f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 9523f6d08d1SOr Gerlitz params.num_channels = link_speed64; 9533f6d08d1SOr Gerlitz 9545c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 955db76ca24SVlad Buslov hpe->hp = hp; 956db76ca24SVlad Buslov complete_all(&hpe->res_ready); 9575c65c564SOr Gerlitz if (IS_ERR(hp)) { 9585c65c564SOr Gerlitz err = PTR_ERR(hp); 959db76ca24SVlad Buslov goto out_err; 9605c65c564SOr Gerlitz } 9615c65c564SOr Gerlitz 962eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 96327b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 96427b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 965eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 9665c65c564SOr Gerlitz 9675c65c564SOr Gerlitz attach_flow: 9683f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 969226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 9703f6d08d1SOr Gerlitz flow->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 9713f6d08d1SOr Gerlitz } else { 9725c65c564SOr Gerlitz flow->nic_attr->hairpin_tirn = hpe->hp->tirn; 9733f6d08d1SOr Gerlitz } 974b32accdaSVlad Buslov 975e4f9abbdSVlad Buslov flow->hpe = hpe; 97673edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9775c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 97873edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9793f6d08d1SOr Gerlitz 9805c65c564SOr Gerlitz return 0; 9815c65c564SOr Gerlitz 982db76ca24SVlad Buslov out_err: 983db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9845c65c564SOr Gerlitz return err; 9855c65c564SOr Gerlitz } 9865c65c564SOr Gerlitz 9875c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9885c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9895c65c564SOr Gerlitz { 9905a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 991e4f9abbdSVlad Buslov if (!flow->hpe) 9925a7e5bcbSVlad Buslov return; 9935a7e5bcbSVlad Buslov 99473edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9955c65c564SOr Gerlitz list_del(&flow->hairpin); 99673edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 99773edca73SVlad Buslov 998e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 999e4f9abbdSVlad Buslov flow->hpe = NULL; 10005c65c564SOr Gerlitz } 10015c65c564SOr Gerlitz 1002c83954abSRabie Loulou static int 100374491de9SMark Bloch mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 100417091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 1005e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1006e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1007e8f887acSAmir Vadai { 1008bb0ee7dcSJianbo Liu struct mlx5_flow_context *flow_context = &parse_attr->spec.flow_context; 1009aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1010aad7e08dSAmir Vadai struct mlx5_core_dev *dev = priv->mdev; 10115c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 101266958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 10133bc4b7bfSOr Gerlitz .action = attr->action, 1014bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 101566958ed9SHadar Hen Zion }; 1016aad7e08dSAmir Vadai struct mlx5_fc *counter = NULL; 10175c65c564SOr Gerlitz int err, dest_ix = 0; 1018e8f887acSAmir Vadai 1019bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 1020bb0ee7dcSJianbo Liu flow_context->flow_tag = attr->flow_tag; 1021bb0ee7dcSJianbo Liu 1022226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) { 1023e98bedf5SEli Britstein err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 10245a7e5bcbSVlad Buslov if (err) 10255a7e5bcbSVlad Buslov return err; 10265a7e5bcbSVlad Buslov 1027226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN_RSS)) { 10283f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 10293f6d08d1SOr Gerlitz dest[dest_ix].ft = attr->hairpin_ft; 10303f6d08d1SOr Gerlitz } else { 10315c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 10325c65c564SOr Gerlitz dest[dest_ix].tir_num = attr->hairpin_tirn; 10333f6d08d1SOr Gerlitz } 10343f6d08d1SOr Gerlitz dest_ix++; 10353f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 10365c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 10375c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 10385c65c564SOr Gerlitz dest_ix++; 10395c65c564SOr Gerlitz } 1040aad7e08dSAmir Vadai 10415c65c564SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 10425c65c564SOr Gerlitz counter = mlx5_fc_create(dev, true); 10435a7e5bcbSVlad Buslov if (IS_ERR(counter)) 10445a7e5bcbSVlad Buslov return PTR_ERR(counter); 10455a7e5bcbSVlad Buslov 10465c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 1047171c7625SMark Bloch dest[dest_ix].counter_id = mlx5_fc_id(counter); 10485c65c564SOr Gerlitz dest_ix++; 1049b8aee822SMark Bloch attr->counter = counter; 1050aad7e08dSAmir Vadai } 1051aad7e08dSAmir Vadai 10522f4fe4caSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 10533099eb5aSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 10542b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 10556ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1056c83954abSRabie Loulou if (err) 10575a7e5bcbSVlad Buslov return err; 10582f4fe4caSOr Gerlitz } 10592f4fe4caSOr Gerlitz 1060b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1061acff797cSMaor Gottlieb if (IS_ERR_OR_NULL(priv->fs.tc.t)) { 106261dc7b01SPaul Blakey struct mlx5_flow_table_attr ft_attr = {}; 106361dc7b01SPaul Blakey int tc_grp_size, tc_tbl_size, tc_num_grps; 106421b9c144SOr Gerlitz u32 max_flow_counter; 106521b9c144SOr Gerlitz 106621b9c144SOr Gerlitz max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 106721b9c144SOr Gerlitz MLX5_CAP_GEN(dev, max_flow_counter_15_0); 106821b9c144SOr Gerlitz 106921b9c144SOr Gerlitz tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 107021b9c144SOr Gerlitz 107121b9c144SOr Gerlitz tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 107221b9c144SOr Gerlitz BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 107361dc7b01SPaul Blakey tc_num_grps = MLX5E_TC_TABLE_NUM_GROUPS; 107421b9c144SOr Gerlitz 107561dc7b01SPaul Blakey ft_attr.prio = MLX5E_TC_PRIO; 107661dc7b01SPaul Blakey ft_attr.max_fte = tc_tbl_size; 107761dc7b01SPaul Blakey ft_attr.level = MLX5E_TC_FT_LEVEL; 107861dc7b01SPaul Blakey ft_attr.autogroup.max_num_groups = tc_num_grps; 1079acff797cSMaor Gottlieb priv->fs.tc.t = 1080acff797cSMaor Gottlieb mlx5_create_auto_grouped_flow_table(priv->fs.ns, 108161dc7b01SPaul Blakey &ft_attr); 1082acff797cSMaor Gottlieb if (IS_ERR(priv->fs.tc.t)) { 1083b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 1084e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 1085c75a33c8SJacob Keller "Failed to create tc offload table"); 1086e8f887acSAmir Vadai netdev_err(priv->netdev, 1087e8f887acSAmir Vadai "Failed to create tc offload table\n"); 10885a7e5bcbSVlad Buslov return PTR_ERR(priv->fs.tc.t); 1089e8f887acSAmir Vadai } 1090e8f887acSAmir Vadai } 1091e8f887acSAmir Vadai 109238aa51c1SOr Gerlitz if (attr->match_level != MLX5_MATCH_NONE) 1093d4a18e16SYevgeny Kliteynik parse_attr->spec.match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 109438aa51c1SOr Gerlitz 1095c83954abSRabie Loulou flow->rule[0] = mlx5_add_flow_rules(priv->fs.tc.t, &parse_attr->spec, 10965c65c564SOr Gerlitz &flow_act, dest, dest_ix); 1097b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 1098e8f887acSAmir Vadai 1099a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1100e8f887acSAmir Vadai } 1101e8f887acSAmir Vadai 1102d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1103d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1104d85cdccbSOr Gerlitz { 1105513f8f7fSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 1106d85cdccbSOr Gerlitz struct mlx5_fc *counter = NULL; 1107d85cdccbSOr Gerlitz 1108b8aee822SMark Bloch counter = attr->counter; 11095a7e5bcbSVlad Buslov if (!IS_ERR_OR_NULL(flow->rule[0])) 1110e4ad91f2SChris Mi mlx5_del_flow_rules(flow->rule[0]); 1111d85cdccbSOr Gerlitz mlx5_fc_destroy(priv->mdev, counter); 1112d85cdccbSOr Gerlitz 1113b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 1114226f2ca3SVlad Buslov if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && priv->fs.tc.t) { 1115d85cdccbSOr Gerlitz mlx5_destroy_flow_table(priv->fs.tc.t); 1116d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1117d85cdccbSOr Gerlitz } 1118b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11192f4fe4caSOr Gerlitz 1120513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11213099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11225c65c564SOr Gerlitz 1123226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11245c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1125d85cdccbSOr Gerlitz } 1126d85cdccbSOr Gerlitz 1127aa0cbbaeSOr Gerlitz static void mlx5e_detach_encap(struct mlx5e_priv *priv, 11288c4dc42bSEli Britstein struct mlx5e_tc_flow *flow, int out_index); 1129aa0cbbaeSOr Gerlitz 11303c37745eSOr Gerlitz static int mlx5e_attach_encap(struct mlx5e_priv *priv, 1131e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1132733d4f36SRoi Dayan struct net_device *mirred_dev, 1133733d4f36SRoi Dayan int out_index, 11348c4dc42bSEli Britstein struct netlink_ext_ack *extack, 11350ad060eeSRoi Dayan struct net_device **encap_dev, 11360ad060eeSRoi Dayan bool *encap_valid); 113714e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 113814e6b038SEli Cohen struct mlx5e_tc_flow *flow, 113914e6b038SEli Cohen struct netlink_ext_ack *extack); 114014e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 114114e6b038SEli Cohen struct mlx5e_tc_flow *flow); 11423c37745eSOr Gerlitz 11436d2a3ed0SOr Gerlitz static struct mlx5_flow_handle * 11446d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11456d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11466d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 11476d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 11486d2a3ed0SOr Gerlitz { 11491ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11506d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11514c3844d9SPaul Blakey 11521ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11531ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11541ef3018fSPaul Blakey 11551ef3018fSPaul Blakey return mlx5_tc_ct_flow_offload(flow->priv, flow, spec, attr, 11561ef3018fSPaul Blakey mod_hdr_acts); 11571ef3018fSPaul Blakey } 11586d2a3ed0SOr Gerlitz 11596d2a3ed0SOr Gerlitz rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11606d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11616d2a3ed0SOr Gerlitz return rule; 11626d2a3ed0SOr Gerlitz 1163e85e02baSEli Britstein if (attr->split_count) { 11646d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11656d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 11666d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11676d2a3ed0SOr Gerlitz return flow->rule[1]; 11686d2a3ed0SOr Gerlitz } 11696d2a3ed0SOr Gerlitz } 11706d2a3ed0SOr Gerlitz 11716d2a3ed0SOr Gerlitz return rule; 11726d2a3ed0SOr Gerlitz } 11736d2a3ed0SOr Gerlitz 11746d2a3ed0SOr Gerlitz static void 11756d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11766d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11776d2a3ed0SOr Gerlitz struct mlx5_esw_flow_attr *attr) 11786d2a3ed0SOr Gerlitz { 1179226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11806d2a3ed0SOr Gerlitz 11814c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 11824c3844d9SPaul Blakey mlx5_tc_ct_delete_flow(flow->priv, flow, attr); 11834c3844d9SPaul Blakey return; 11844c3844d9SPaul Blakey } 11854c3844d9SPaul Blakey 1186e85e02baSEli Britstein if (attr->split_count) 11876d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 11886d2a3ed0SOr Gerlitz 11896d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 11906d2a3ed0SOr Gerlitz } 11916d2a3ed0SOr Gerlitz 11925dbe906fSPaul Blakey static struct mlx5_flow_handle * 11935dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 11945dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1195178f69b4SEli Cohen struct mlx5_flow_spec *spec) 11965dbe906fSPaul Blakey { 1197178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 11985dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11995dbe906fSPaul Blakey 1200178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1201178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1202178f69b4SEli Cohen slow_attr.split_count = 0; 1203178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 12045dbe906fSPaul Blakey 1205178f69b4SEli Cohen rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, &slow_attr); 12065dbe906fSPaul Blakey if (!IS_ERR(rule)) 1207226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12085dbe906fSPaul Blakey 12095dbe906fSPaul Blakey return rule; 12105dbe906fSPaul Blakey } 12115dbe906fSPaul Blakey 12125dbe906fSPaul Blakey static void 12135dbe906fSPaul Blakey mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1214178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12155dbe906fSPaul Blakey { 1216178f69b4SEli Cohen struct mlx5_esw_flow_attr slow_attr; 1217178f69b4SEli Cohen 1218178f69b4SEli Cohen memcpy(&slow_attr, flow->esw_attr, sizeof(slow_attr)); 1219178f69b4SEli Cohen slow_attr.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1220178f69b4SEli Cohen slow_attr.split_count = 0; 1221178f69b4SEli Cohen slow_attr.flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1222178f69b4SEli Cohen mlx5e_tc_unoffload_fdb_rules(esw, flow, &slow_attr); 1223226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 12245dbe906fSPaul Blakey } 12255dbe906fSPaul Blakey 1226ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1227ad86755bSVlad Buslov * function. 1228ad86755bSVlad Buslov */ 1229ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1230ad86755bSVlad Buslov struct list_head *unready_flows) 1231ad86755bSVlad Buslov { 1232ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1233ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1234ad86755bSVlad Buslov } 1235ad86755bSVlad Buslov 1236ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1237ad86755bSVlad Buslov * function. 1238ad86755bSVlad Buslov */ 1239ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1240ad86755bSVlad Buslov { 1241ad86755bSVlad Buslov list_del(&flow->unready); 1242ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1243ad86755bSVlad Buslov } 1244ad86755bSVlad Buslov 1245b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1246b4a23329SRoi Dayan { 1247b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1248b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1249b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1250b4a23329SRoi Dayan 1251b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1252b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1253b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1254b4a23329SRoi Dayan 1255ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1256ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1257ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1258b4a23329SRoi Dayan } 1259b4a23329SRoi Dayan 1260b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1261b4a23329SRoi Dayan { 1262ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1263ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1264ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1265ad86755bSVlad Buslov 1266ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1267ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1268ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1269ad86755bSVlad Buslov 1270ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1271ad86755bSVlad Buslov unready_flow_del(flow); 1272ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1273b4a23329SRoi Dayan } 1274b4a23329SRoi Dayan 1275c83954abSRabie Loulou static int 127674491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1277e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1278e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1279adb4c123SOr Gerlitz { 1280adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1281aa0cbbaeSOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 12827040632dSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 12833c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1284b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 12853c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 12863c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 12870ad060eeSRoi Dayan bool encap_valid = true; 128839ac237cSPaul Blakey u32 max_prio, max_chain; 12890ad060eeSRoi Dayan int err = 0; 1290f493f155SEli Britstein int out_index; 12918b32580dSOr Gerlitz 129239ac237cSPaul Blakey if (!mlx5_esw_chains_prios_supported(esw) && attr->prio != 1) { 129361644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 129461644c3dSRoi Dayan "E-switch priorities unsupported, upgrade FW"); 1295d14f6f2aSOr Gerlitz return -EOPNOTSUPP; 1296d14f6f2aSOr Gerlitz } 1297e52c2802SPaul Blakey 129884179981SPaul Blakey /* We check chain range only for tc flows. 129984179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 130084179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 130184179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 130284179981SPaul Blakey */ 130339ac237cSPaul Blakey max_chain = mlx5_esw_chains_get_chain_range(esw); 130484179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 130561644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 130661644c3dSRoi Dayan "Requested chain is out of supported range"); 13075a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1308bf07aa73SPaul Blakey } 1309bf07aa73SPaul Blakey 131039ac237cSPaul Blakey max_prio = mlx5_esw_chains_get_prio_range(esw); 1311bf07aa73SPaul Blakey if (attr->prio > max_prio) { 131261644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 131361644c3dSRoi Dayan "Requested priority is out of supported range"); 13145a7e5bcbSVlad Buslov return -EOPNOTSUPP; 1315bf07aa73SPaul Blakey } 1316bf07aa73SPaul Blakey 131714e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 131814e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 131914e6b038SEli Cohen if (err) 132014e6b038SEli Cohen return err; 132114e6b038SEli Cohen } 132214e6b038SEli Cohen 1323f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 13248c4dc42bSEli Britstein int mirred_ifindex; 13258c4dc42bSEli Britstein 1326f493f155SEli Britstein if (!(attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1327f493f155SEli Britstein continue; 1328f493f155SEli Britstein 13297040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 13303c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 13318c4dc42bSEli Britstein mirred_ifindex); 1332733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 13330ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 13340ad060eeSRoi Dayan if (err) 13355a7e5bcbSVlad Buslov return err; 13360ad060eeSRoi Dayan 13373c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 13383c37745eSOr Gerlitz rpriv = out_priv->ppriv; 13391cc26d74SEli Britstein attr->dests[out_index].rep = rpriv->rep; 13401cc26d74SEli Britstein attr->dests[out_index].mdev = out_priv->mdev; 13413c37745eSOr Gerlitz } 13423c37745eSOr Gerlitz 13438b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1344c83954abSRabie Loulou if (err) 13455a7e5bcbSVlad Buslov return err; 1346adb4c123SOr Gerlitz 1347d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1348d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 13491a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 13506ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 1351c83954abSRabie Loulou if (err) 13525a7e5bcbSVlad Buslov return err; 1353d7e75a32SOr Gerlitz } 1354d7e75a32SOr Gerlitz 1355b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1356f9392795SShahar Klein counter = mlx5_fc_create(attr->counter_dev, true); 13575a7e5bcbSVlad Buslov if (IS_ERR(counter)) 13585a7e5bcbSVlad Buslov return PTR_ERR(counter); 1359b8aee822SMark Bloch 1360b8aee822SMark Bloch attr->counter = counter; 1361b8aee822SMark Bloch } 1362b8aee822SMark Bloch 13630ad060eeSRoi Dayan /* we get here if one of the following takes place: 13640ad060eeSRoi Dayan * (1) there's no error 13650ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 13663c37745eSOr Gerlitz */ 1367bc1d75faSRoi Dayan if (!encap_valid) 1368178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1369bc1d75faSRoi Dayan else 13706d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 13715dbe906fSPaul Blakey 13725a7e5bcbSVlad Buslov if (IS_ERR(flow->rule[0])) 13735a7e5bcbSVlad Buslov return PTR_ERR(flow->rule[0]); 1374226f2ca3SVlad Buslov else 1375226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1376c83954abSRabie Loulou 13775dbe906fSPaul Blakey return 0; 1378aa0cbbaeSOr Gerlitz } 1379d85cdccbSOr Gerlitz 13809272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 13819272e3dfSYevgeny Kliteynik { 13829272e3dfSYevgeny Kliteynik struct mlx5_flow_spec *spec = &flow->esw_attr->parse_attr->spec; 13839272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 13849272e3dfSYevgeny Kliteynik spec->match_value, 13859272e3dfSYevgeny Kliteynik misc_parameters_3); 13869272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 13879272e3dfSYevgeny Kliteynik headers_v, 13889272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 13899272e3dfSYevgeny Kliteynik 13909272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 13919272e3dfSYevgeny Kliteynik } 13929272e3dfSYevgeny Kliteynik 1393d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1394d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1395d85cdccbSOr Gerlitz { 1396d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1397d7e75a32SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 1398f493f155SEli Britstein int out_index; 1399d85cdccbSOr Gerlitz 14000a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 14010a7fcb78SPaul Blakey 1402226f2ca3SVlad Buslov if (flow_flag_test(flow, NOT_READY)) { 1403b4a23329SRoi Dayan remove_unready_flow(flow); 1404ef06c9eeSRoi Dayan kvfree(attr->parse_attr); 1405ef06c9eeSRoi Dayan return; 1406ef06c9eeSRoi Dayan } 1407ef06c9eeSRoi Dayan 1408226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1409226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1410178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14115dbe906fSPaul Blakey else 14125dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 14135dbe906fSPaul Blakey } 1414d85cdccbSOr Gerlitz 14159272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 14169272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 14179272e3dfSYevgeny Kliteynik 1418513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1419d85cdccbSOr Gerlitz 1420f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 14212a4b6526SVlad Buslov if (attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 14228c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 14232a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 14242a4b6526SVlad Buslov } 1425f493f155SEli Britstein kvfree(attr->parse_attr); 1426d7e75a32SOr Gerlitz 1427513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 14281a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1429b8aee822SMark Bloch 1430b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1431f9392795SShahar Klein mlx5_fc_destroy(attr->counter_dev, attr->counter); 143214e6b038SEli Cohen 143314e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 143414e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1435d85cdccbSOr Gerlitz } 1436d85cdccbSOr Gerlitz 1437232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, 14382a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 14392a1f1768SVlad Buslov struct list_head *flow_list) 1440232c0013SHadar Hen Zion { 14413c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1442178f69b4SEli Cohen struct mlx5_esw_flow_attr *esw_attr; 14436d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 14446d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec; 1445232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 1446232c0013SHadar Hen Zion int err; 1447232c0013SHadar Hen Zion 14482b688ea5SMaor Gottlieb e->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 144954c177caSOz Shlomo e->reformat_type, 1450232c0013SHadar Hen Zion e->encap_size, e->encap_header, 14512b688ea5SMaor Gottlieb MLX5_FLOW_NAMESPACE_FDB); 14522b688ea5SMaor Gottlieb if (IS_ERR(e->pkt_reformat)) { 14532b688ea5SMaor Gottlieb mlx5_core_warn(priv->mdev, "Failed to offload cached encapsulation header, %lu\n", 14542b688ea5SMaor Gottlieb PTR_ERR(e->pkt_reformat)); 1455232c0013SHadar Hen Zion return; 1456232c0013SHadar Hen Zion } 1457232c0013SHadar Hen Zion e->flags |= MLX5_ENCAP_ENTRY_VALID; 1458f6dfb4c3SHadar Hen Zion mlx5e_rep_queue_neigh_stats_work(priv); 1459232c0013SHadar Hen Zion 14602a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 14618c4dc42bSEli Britstein bool all_flow_encaps_valid = true; 14628c4dc42bSEli Britstein int i; 14638c4dc42bSEli Britstein 146495435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 146595435ad7SVlad Buslov continue; 14663c37745eSOr Gerlitz esw_attr = flow->esw_attr; 14676d2a3ed0SOr Gerlitz spec = &esw_attr->parse_attr->spec; 14686d2a3ed0SOr Gerlitz 14692b688ea5SMaor Gottlieb esw_attr->dests[flow->tmp_efi_index].pkt_reformat = e->pkt_reformat; 14702a1f1768SVlad Buslov esw_attr->dests[flow->tmp_efi_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 14718c4dc42bSEli Britstein /* Flow can be associated with multiple encap entries. 14728c4dc42bSEli Britstein * Before offloading the flow verify that all of them have 14738c4dc42bSEli Britstein * a valid neighbour. 14748c4dc42bSEli Britstein */ 14758c4dc42bSEli Britstein for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) { 14768c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)) 14778c4dc42bSEli Britstein continue; 14788c4dc42bSEli Britstein if (!(esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP_VALID)) { 14798c4dc42bSEli Britstein all_flow_encaps_valid = false; 14808c4dc42bSEli Britstein break; 14818c4dc42bSEli Britstein } 14828c4dc42bSEli Britstein } 14838c4dc42bSEli Britstein /* Do not offload flows with unresolved neighbors */ 14848c4dc42bSEli Britstein if (!all_flow_encaps_valid) 14852a1f1768SVlad Buslov continue; 14865dbe906fSPaul Blakey /* update from slow path rule to encap rule */ 14876d2a3ed0SOr Gerlitz rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, esw_attr); 14886d2a3ed0SOr Gerlitz if (IS_ERR(rule)) { 14896d2a3ed0SOr Gerlitz err = PTR_ERR(rule); 1490232c0013SHadar Hen Zion mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", 1491232c0013SHadar Hen Zion err); 14922a1f1768SVlad Buslov continue; 1493232c0013SHadar Hen Zion } 14945dbe906fSPaul Blakey 1495178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14966d2a3ed0SOr Gerlitz flow->rule[0] = rule; 1497226f2ca3SVlad Buslov /* was unset when slow path rule removed */ 1498226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1499232c0013SHadar Hen Zion } 1500232c0013SHadar Hen Zion } 1501232c0013SHadar Hen Zion 1502232c0013SHadar Hen Zion void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, 15032a1f1768SVlad Buslov struct mlx5e_encap_entry *e, 15042a1f1768SVlad Buslov struct list_head *flow_list) 1505232c0013SHadar Hen Zion { 15063c37745eSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 15075dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 15085dbe906fSPaul Blakey struct mlx5_flow_spec *spec; 1509232c0013SHadar Hen Zion struct mlx5e_tc_flow *flow; 15105dbe906fSPaul Blakey int err; 1511232c0013SHadar Hen Zion 15122a1f1768SVlad Buslov list_for_each_entry(flow, flow_list, tmp_list) { 151395435ad7SVlad Buslov if (!mlx5e_is_offloaded_flow(flow)) 151495435ad7SVlad Buslov continue; 15155dbe906fSPaul Blakey spec = &flow->esw_attr->parse_attr->spec; 15165dbe906fSPaul Blakey 15175dbe906fSPaul Blakey /* update from encap rule to slow path rule */ 1518178f69b4SEli Cohen rule = mlx5e_tc_offload_to_slow_path(esw, flow, spec); 15198c4dc42bSEli Britstein /* mark the flow's encap dest as non-valid */ 15202a1f1768SVlad Buslov flow->esw_attr->dests[flow->tmp_efi_index].flags &= ~MLX5_ESW_DEST_ENCAP_VALID; 15215dbe906fSPaul Blakey 15225dbe906fSPaul Blakey if (IS_ERR(rule)) { 15235dbe906fSPaul Blakey err = PTR_ERR(rule); 15245dbe906fSPaul Blakey mlx5_core_warn(priv->mdev, "Failed to update slow path (encap) flow, %d\n", 15255dbe906fSPaul Blakey err); 15262a1f1768SVlad Buslov continue; 15275dbe906fSPaul Blakey } 15285dbe906fSPaul Blakey 15296d2a3ed0SOr Gerlitz mlx5e_tc_unoffload_fdb_rules(esw, flow, flow->esw_attr); 15305dbe906fSPaul Blakey flow->rule[0] = rule; 1531226f2ca3SVlad Buslov /* was unset when fast path rule removed */ 1532226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1533232c0013SHadar Hen Zion } 1534232c0013SHadar Hen Zion 153561c806daSOr Gerlitz /* we know that the encap is valid */ 1536232c0013SHadar Hen Zion e->flags &= ~MLX5_ENCAP_ENTRY_VALID; 15372b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 1538232c0013SHadar Hen Zion } 1539232c0013SHadar Hen Zion 1540b8aee822SMark Bloch static struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1541b8aee822SMark Bloch { 1542226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) 1543b8aee822SMark Bloch return flow->esw_attr->counter; 1544b8aee822SMark Bloch else 1545b8aee822SMark Bloch return flow->nic_attr->counter; 1546b8aee822SMark Bloch } 1547b8aee822SMark Bloch 15482a1f1768SVlad Buslov /* Takes reference to all flows attached to encap and adds the flows to 15492a1f1768SVlad Buslov * flow_list using 'tmp_list' list_head in mlx5e_tc_flow. 15502a1f1768SVlad Buslov */ 15512a1f1768SVlad Buslov void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list) 15522a1f1768SVlad Buslov { 15532a1f1768SVlad Buslov struct encap_flow_item *efi; 15542a1f1768SVlad Buslov struct mlx5e_tc_flow *flow; 15552a1f1768SVlad Buslov 15562a1f1768SVlad Buslov list_for_each_entry(efi, &e->flows, list) { 15572a1f1768SVlad Buslov flow = container_of(efi, struct mlx5e_tc_flow, encaps[efi->index]); 15582a1f1768SVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 15592a1f1768SVlad Buslov continue; 156095435ad7SVlad Buslov wait_for_completion(&flow->init_done); 15612a1f1768SVlad Buslov 15622a1f1768SVlad Buslov flow->tmp_efi_index = efi->index; 15632a1f1768SVlad Buslov list_add(&flow->tmp_list, flow_list); 15642a1f1768SVlad Buslov } 15652a1f1768SVlad Buslov } 15662a1f1768SVlad Buslov 15676a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 15682a1f1768SVlad Buslov void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 15696a06c2f7SVlad Buslov { 15706a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 15716a06c2f7SVlad Buslov 15726a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 15736a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 15746a06c2f7SVlad Buslov } 15756a06c2f7SVlad Buslov 1576ac0d9176SVlad Buslov static struct mlx5e_encap_entry * 1577ac0d9176SVlad Buslov mlx5e_get_next_valid_encap(struct mlx5e_neigh_hash_entry *nhe, 1578ac0d9176SVlad Buslov struct mlx5e_encap_entry *e) 1579ac0d9176SVlad Buslov { 1580ac0d9176SVlad Buslov struct mlx5e_encap_entry *next = NULL; 1581ac0d9176SVlad Buslov 1582ac0d9176SVlad Buslov retry: 1583ac0d9176SVlad Buslov rcu_read_lock(); 1584ac0d9176SVlad Buslov 1585ac0d9176SVlad Buslov /* find encap with non-zero reference counter value */ 1586ac0d9176SVlad Buslov for (next = e ? 1587ac0d9176SVlad Buslov list_next_or_null_rcu(&nhe->encap_list, 1588ac0d9176SVlad Buslov &e->encap_list, 1589ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1590ac0d9176SVlad Buslov encap_list) : 1591ac0d9176SVlad Buslov list_first_or_null_rcu(&nhe->encap_list, 1592ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1593ac0d9176SVlad Buslov encap_list); 1594ac0d9176SVlad Buslov next; 1595ac0d9176SVlad Buslov next = list_next_or_null_rcu(&nhe->encap_list, 1596ac0d9176SVlad Buslov &next->encap_list, 1597ac0d9176SVlad Buslov struct mlx5e_encap_entry, 1598ac0d9176SVlad Buslov encap_list)) 1599ac0d9176SVlad Buslov if (mlx5e_encap_take(next)) 1600ac0d9176SVlad Buslov break; 1601ac0d9176SVlad Buslov 1602ac0d9176SVlad Buslov rcu_read_unlock(); 1603ac0d9176SVlad Buslov 1604ac0d9176SVlad Buslov /* release starting encap */ 1605ac0d9176SVlad Buslov if (e) 1606ac0d9176SVlad Buslov mlx5e_encap_put(netdev_priv(e->out_dev), e); 1607ac0d9176SVlad Buslov if (!next) 1608ac0d9176SVlad Buslov return next; 1609ac0d9176SVlad Buslov 1610ac0d9176SVlad Buslov /* wait for encap to be fully initialized */ 1611ac0d9176SVlad Buslov wait_for_completion(&next->res_ready); 1612ac0d9176SVlad Buslov /* continue searching if encap entry is not in valid state after completion */ 1613ac0d9176SVlad Buslov if (!(next->flags & MLX5_ENCAP_ENTRY_VALID)) { 1614ac0d9176SVlad Buslov e = next; 1615ac0d9176SVlad Buslov goto retry; 1616ac0d9176SVlad Buslov } 1617ac0d9176SVlad Buslov 1618ac0d9176SVlad Buslov return next; 1619ac0d9176SVlad Buslov } 1620ac0d9176SVlad Buslov 1621f6dfb4c3SHadar Hen Zion void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe) 1622f6dfb4c3SHadar Hen Zion { 1623f6dfb4c3SHadar Hen Zion struct mlx5e_neigh *m_neigh = &nhe->m_neigh; 1624ac0d9176SVlad Buslov struct mlx5e_encap_entry *e = NULL; 1625f6dfb4c3SHadar Hen Zion struct mlx5e_tc_flow *flow; 1626f6dfb4c3SHadar Hen Zion struct mlx5_fc *counter; 1627f6dfb4c3SHadar Hen Zion struct neigh_table *tbl; 1628f6dfb4c3SHadar Hen Zion bool neigh_used = false; 1629f6dfb4c3SHadar Hen Zion struct neighbour *n; 163090bb7692SAriel Levkovich u64 lastuse; 1631f6dfb4c3SHadar Hen Zion 1632f6dfb4c3SHadar Hen Zion if (m_neigh->family == AF_INET) 1633f6dfb4c3SHadar Hen Zion tbl = &arp_tbl; 1634f6dfb4c3SHadar Hen Zion #if IS_ENABLED(CONFIG_IPV6) 1635f6dfb4c3SHadar Hen Zion else if (m_neigh->family == AF_INET6) 16365cc3a8c6SSaeed Mahameed tbl = ipv6_stub->nd_tbl; 1637f6dfb4c3SHadar Hen Zion #endif 1638f6dfb4c3SHadar Hen Zion else 1639f6dfb4c3SHadar Hen Zion return; 1640f6dfb4c3SHadar Hen Zion 1641ac0d9176SVlad Buslov /* mlx5e_get_next_valid_encap() releases previous encap before returning 1642ac0d9176SVlad Buslov * next one. 1643ac0d9176SVlad Buslov */ 1644ac0d9176SVlad Buslov while ((e = mlx5e_get_next_valid_encap(nhe, e)) != NULL) { 16456a06c2f7SVlad Buslov struct mlx5e_priv *priv = netdev_priv(e->out_dev); 16465a7e5bcbSVlad Buslov struct encap_flow_item *efi, *tmp; 16476a06c2f7SVlad Buslov struct mlx5_eswitch *esw; 16486a06c2f7SVlad Buslov LIST_HEAD(flow_list); 1649948993f2SVlad Buslov 16506a06c2f7SVlad Buslov esw = priv->mdev->priv.eswitch; 16516a06c2f7SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 16525a7e5bcbSVlad Buslov list_for_each_entry_safe(efi, tmp, &e->flows, list) { 165379baaec7SEli Britstein flow = container_of(efi, struct mlx5e_tc_flow, 165479baaec7SEli Britstein encaps[efi->index]); 16555a7e5bcbSVlad Buslov if (IS_ERR(mlx5e_flow_get(flow))) 16565a7e5bcbSVlad Buslov continue; 16576a06c2f7SVlad Buslov list_add(&flow->tmp_list, &flow_list); 16585a7e5bcbSVlad Buslov 1659226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1660b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 166190bb7692SAriel Levkovich lastuse = mlx5_fc_query_lastuse(counter); 1662f6dfb4c3SHadar Hen Zion if (time_after((unsigned long)lastuse, nhe->reported_lastuse)) { 1663f6dfb4c3SHadar Hen Zion neigh_used = true; 1664f6dfb4c3SHadar Hen Zion break; 1665f6dfb4c3SHadar Hen Zion } 1666f6dfb4c3SHadar Hen Zion } 1667f6dfb4c3SHadar Hen Zion } 16686a06c2f7SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 1669948993f2SVlad Buslov 16706a06c2f7SVlad Buslov mlx5e_put_encap_flow_list(priv, &flow_list); 1671ac0d9176SVlad Buslov if (neigh_used) { 1672ac0d9176SVlad Buslov /* release current encap before breaking the loop */ 16736a06c2f7SVlad Buslov mlx5e_encap_put(priv, e); 1674e36d4810SRoi Dayan break; 1675f6dfb4c3SHadar Hen Zion } 1676ac0d9176SVlad Buslov } 1677f6dfb4c3SHadar Hen Zion 1678c786fe59SVlad Buslov trace_mlx5e_tc_update_neigh_used_value(nhe, neigh_used); 1679c786fe59SVlad Buslov 1680f6dfb4c3SHadar Hen Zion if (neigh_used) { 1681f6dfb4c3SHadar Hen Zion nhe->reported_lastuse = jiffies; 1682f6dfb4c3SHadar Hen Zion 1683f6dfb4c3SHadar Hen Zion /* find the relevant neigh according to the cached device and 1684f6dfb4c3SHadar Hen Zion * dst ip pair 1685f6dfb4c3SHadar Hen Zion */ 1686f6dfb4c3SHadar Hen Zion n = neigh_lookup(tbl, &m_neigh->dst_ip, m_neigh->dev); 1687c7f7ba8dSRoi Dayan if (!n) 1688f6dfb4c3SHadar Hen Zion return; 1689f6dfb4c3SHadar Hen Zion 1690f6dfb4c3SHadar Hen Zion neigh_event_send(n, NULL); 1691f6dfb4c3SHadar Hen Zion neigh_release(n); 1692f6dfb4c3SHadar Hen Zion } 1693f6dfb4c3SHadar Hen Zion } 1694f6dfb4c3SHadar Hen Zion 169561086f39SVlad Buslov static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 1696d85cdccbSOr Gerlitz { 1697948993f2SVlad Buslov WARN_ON(!list_empty(&e->flows)); 16983c140dd5SVlad Buslov 16993c140dd5SVlad Buslov if (e->compl_result > 0) { 1700232c0013SHadar Hen Zion mlx5e_rep_encap_entry_detach(netdev_priv(e->out_dev), e); 1701232c0013SHadar Hen Zion 1702232c0013SHadar Hen Zion if (e->flags & MLX5_ENCAP_ENTRY_VALID) 17032b688ea5SMaor Gottlieb mlx5_packet_reformat_dealloc(priv->mdev, e->pkt_reformat); 17043c140dd5SVlad Buslov } 1705232c0013SHadar Hen Zion 17062a4b6526SVlad Buslov kfree(e->tun_info); 1707232c0013SHadar Hen Zion kfree(e->encap_header); 1708ac0d9176SVlad Buslov kfree_rcu(e, rcu); 17095067b602SRoi Dayan } 1710948993f2SVlad Buslov 171114e6b038SEli Cohen static void mlx5e_decap_dealloc(struct mlx5e_priv *priv, 171214e6b038SEli Cohen struct mlx5e_decap_entry *d) 171314e6b038SEli Cohen { 171414e6b038SEli Cohen WARN_ON(!list_empty(&d->flows)); 171514e6b038SEli Cohen 171614e6b038SEli Cohen if (!d->compl_result) 171714e6b038SEli Cohen mlx5_packet_reformat_dealloc(priv->mdev, d->pkt_reformat); 171814e6b038SEli Cohen 171914e6b038SEli Cohen kfree_rcu(d, rcu); 172014e6b038SEli Cohen } 172114e6b038SEli Cohen 172261086f39SVlad Buslov void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) 172361086f39SVlad Buslov { 172461086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 172561086f39SVlad Buslov 172661086f39SVlad Buslov if (!refcount_dec_and_mutex_lock(&e->refcnt, &esw->offloads.encap_tbl_lock)) 172761086f39SVlad Buslov return; 172861086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 172961086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 173061086f39SVlad Buslov 173161086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 173261086f39SVlad Buslov } 173361086f39SVlad Buslov 173414e6b038SEli Cohen static void mlx5e_decap_put(struct mlx5e_priv *priv, struct mlx5e_decap_entry *d) 173514e6b038SEli Cohen { 173614e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 173714e6b038SEli Cohen 173814e6b038SEli Cohen if (!refcount_dec_and_mutex_lock(&d->refcnt, &esw->offloads.decap_tbl_lock)) 173914e6b038SEli Cohen return; 174014e6b038SEli Cohen hash_del_rcu(&d->hlist); 174114e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 174214e6b038SEli Cohen 174314e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 174414e6b038SEli Cohen } 174514e6b038SEli Cohen 1746948993f2SVlad Buslov static void mlx5e_detach_encap(struct mlx5e_priv *priv, 1747948993f2SVlad Buslov struct mlx5e_tc_flow *flow, int out_index) 1748948993f2SVlad Buslov { 174961086f39SVlad Buslov struct mlx5e_encap_entry *e = flow->encaps[out_index].e; 175061086f39SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 175161086f39SVlad Buslov 1752948993f2SVlad Buslov /* flow wasn't fully initialized */ 175361086f39SVlad Buslov if (!e) 1754948993f2SVlad Buslov return; 1755948993f2SVlad Buslov 175661086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 1757948993f2SVlad Buslov list_del(&flow->encaps[out_index].list); 1758948993f2SVlad Buslov flow->encaps[out_index].e = NULL; 175961086f39SVlad Buslov if (!refcount_dec_and_test(&e->refcnt)) { 176061086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 176161086f39SVlad Buslov return; 176261086f39SVlad Buslov } 176361086f39SVlad Buslov hash_del_rcu(&e->encap_hlist); 176461086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 176561086f39SVlad Buslov 176661086f39SVlad Buslov mlx5e_encap_dealloc(priv, e); 17675067b602SRoi Dayan } 17685067b602SRoi Dayan 176914e6b038SEli Cohen static void mlx5e_detach_decap(struct mlx5e_priv *priv, 177014e6b038SEli Cohen struct mlx5e_tc_flow *flow) 177114e6b038SEli Cohen { 177214e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 177314e6b038SEli Cohen struct mlx5e_decap_entry *d = flow->decap_reformat; 177414e6b038SEli Cohen 177514e6b038SEli Cohen if (!d) 177614e6b038SEli Cohen return; 177714e6b038SEli Cohen 177814e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 177914e6b038SEli Cohen list_del(&flow->l3_to_l2_reformat); 178014e6b038SEli Cohen flow->decap_reformat = NULL; 178114e6b038SEli Cohen 178214e6b038SEli Cohen if (!refcount_dec_and_test(&d->refcnt)) { 178314e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 178414e6b038SEli Cohen return; 178514e6b038SEli Cohen } 178614e6b038SEli Cohen hash_del_rcu(&d->hlist); 178714e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 178814e6b038SEli Cohen 178914e6b038SEli Cohen mlx5e_decap_dealloc(priv, d); 179014e6b038SEli Cohen } 179114e6b038SEli Cohen 179204de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 179304de7ddaSRoi Dayan { 179404de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 179504de7ddaSRoi Dayan 1796226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1797226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 179804de7ddaSRoi Dayan return; 179904de7ddaSRoi Dayan 180004de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 180104de7ddaSRoi Dayan list_del(&flow->peer); 180204de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 180304de7ddaSRoi Dayan 1804226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 180504de7ddaSRoi Dayan 1806eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 180704de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1808a23dae79SRoi Dayan kfree(flow->peer_flow); 1809eb252c3aSRoi Dayan } 1810eb252c3aSRoi Dayan 181104de7ddaSRoi Dayan flow->peer_flow = NULL; 181204de7ddaSRoi Dayan } 181304de7ddaSRoi Dayan 181404de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 181504de7ddaSRoi Dayan { 181604de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 181704de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 181804de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 181904de7ddaSRoi Dayan 182004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 182104de7ddaSRoi Dayan if (!peer_esw) 182204de7ddaSRoi Dayan return; 182304de7ddaSRoi Dayan 182404de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 182504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 182604de7ddaSRoi Dayan } 182704de7ddaSRoi Dayan 1828e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1829961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1830e8f887acSAmir Vadai { 1831226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 183204de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1833d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 183404de7ddaSRoi Dayan } else { 1835d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1836e8f887acSAmir Vadai } 183704de7ddaSRoi Dayan } 1838e8f887acSAmir Vadai 18390a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1840bbd00f7eSHadar Hen Zion { 1841f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 18420a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 18430a7fcb78SPaul Blakey const struct flow_action_entry *act; 18440a7fcb78SPaul Blakey int i; 1845bbd00f7eSHadar Hen Zion 18460a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 18470a7fcb78SPaul Blakey switch (act->id) { 18480a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 18490a7fcb78SPaul Blakey return true; 18500a7fcb78SPaul Blakey default: 18510a7fcb78SPaul Blakey continue; 1852fe1587a7SDmytro Linkin } 18532e72eb43SOr Gerlitz } 1854bbd00f7eSHadar Hen Zion 18550a7fcb78SPaul Blakey return false; 18560a7fcb78SPaul Blakey } 1857bcef735cSOr Gerlitz 18580a7fcb78SPaul Blakey static int 18590a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 18600a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 18610a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 18620a7fcb78SPaul Blakey bool *dont_care) 18630a7fcb78SPaul Blakey { 18640a7fcb78SPaul Blakey struct geneve_opt *opt; 18650a7fcb78SPaul Blakey int off = 0; 1866bcef735cSOr Gerlitz 18670a7fcb78SPaul Blakey *dont_care = true; 1868bcef735cSOr Gerlitz 18690a7fcb78SPaul Blakey while (opts->len > off) { 18700a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1871e98bedf5SEli Britstein 18720a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 18730a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 18740a7fcb78SPaul Blakey *dont_care = false; 18750a7fcb78SPaul Blakey 1876c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1877d7a42ad0SRoi Dayan opt->type != U8_MAX) { 18780a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 18790a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 18800a7fcb78SPaul Blakey netdev_warn(priv->netdev, 18810a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1882e98bedf5SEli Britstein return -EOPNOTSUPP; 1883e98bedf5SEli Britstein } 1884bcef735cSOr Gerlitz } 1885bcef735cSOr Gerlitz 18860a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1887bbd00f7eSHadar Hen Zion } 1888bbd00f7eSHadar Hen Zion 1889bbd00f7eSHadar Hen Zion return 0; 1890bbd00f7eSHadar Hen Zion } 1891bbd00f7eSHadar Hen Zion 18920a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 18930a7fcb78SPaul Blakey ({ \ 18940a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 18950a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 18960a7fcb78SPaul Blakey \ 18970a7fcb78SPaul Blakey memcpy(__dst,\ 18980a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 18990a7fcb78SPaul Blakey diss_key,\ 19000a7fcb78SPaul Blakey __rule->match.key),\ 19010a7fcb78SPaul Blakey sizeof(*__dst));\ 19020a7fcb78SPaul Blakey }) 19030a7fcb78SPaul Blakey 19040a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 19050a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19060a7fcb78SPaul Blakey struct flow_cls_offload *f, 19070a7fcb78SPaul Blakey struct net_device *filter_dev) 19088377629eSEli Britstein { 19090a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 19100a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19110a7fcb78SPaul Blakey struct mlx5_esw_flow_attr *attr = flow->esw_attr; 19120a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 19130a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1914d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 19150a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 19160a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 19170a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 19180a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 19190a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 19200a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 19210a7fcb78SPaul Blakey u32 value, mask; 19220a7fcb78SPaul Blakey int err; 19230a7fcb78SPaul Blakey 19240a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 19250a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 19260a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 19270a7fcb78SPaul Blakey 19280a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 19290a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 19300a7fcb78SPaul Blakey &tunnel_key.enc_control); 19310a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 19320a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 19330a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 19340a7fcb78SPaul Blakey else 19350a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 19360a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 19370a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 19380a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 19390a7fcb78SPaul Blakey &tunnel_key.enc_tp); 19400a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 19410a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 19420a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 19430a7fcb78SPaul Blakey 19440a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 19450a7fcb78SPaul Blakey if (err) 19460a7fcb78SPaul Blakey return err; 19470a7fcb78SPaul Blakey 19480a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 19490a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 19500a7fcb78SPaul Blakey enc_opts_match.mask, 19510a7fcb78SPaul Blakey extack, 19520a7fcb78SPaul Blakey &enc_opts_is_dont_care); 19530a7fcb78SPaul Blakey if (err) 19540a7fcb78SPaul Blakey goto err_enc_opts; 19550a7fcb78SPaul Blakey 19560a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1957d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1958d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1959d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1960d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1961d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1962d7a42ad0SRoi Dayan 19630a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1964d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 19650a7fcb78SPaul Blakey if (err) 19660a7fcb78SPaul Blakey goto err_enc_opts; 19670a7fcb78SPaul Blakey } 19680a7fcb78SPaul Blakey 19690a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 19700a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 19710a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 19720a7fcb78SPaul Blakey 19730a7fcb78SPaul Blakey if (attr->chain) { 19740a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 19750a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 19760a7fcb78SPaul Blakey } else { 19770a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 19780a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 19790a7fcb78SPaul Blakey mod_hdr_acts, 19800a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 19810a7fcb78SPaul Blakey if (err) 19820a7fcb78SPaul Blakey goto err_set; 19830a7fcb78SPaul Blakey 19840a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 19850a7fcb78SPaul Blakey } 19860a7fcb78SPaul Blakey 19870a7fcb78SPaul Blakey flow->tunnel_id = value; 19880a7fcb78SPaul Blakey return 0; 19890a7fcb78SPaul Blakey 19900a7fcb78SPaul Blakey err_set: 19910a7fcb78SPaul Blakey if (enc_opts_id) 19920a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 19930a7fcb78SPaul Blakey enc_opts_id); 19940a7fcb78SPaul Blakey err_enc_opts: 19950a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 19960a7fcb78SPaul Blakey return err; 19970a7fcb78SPaul Blakey } 19980a7fcb78SPaul Blakey 19990a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 20000a7fcb78SPaul Blakey { 20010a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 20020a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 20030a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 20040a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 20050a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 20060a7fcb78SPaul Blakey 20070a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 20080a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 20090a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 20100a7fcb78SPaul Blakey 20110a7fcb78SPaul Blakey if (tun_id) 20120a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 20130a7fcb78SPaul Blakey if (enc_opts_id) 20140a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 20150a7fcb78SPaul Blakey enc_opts_id); 20160a7fcb78SPaul Blakey } 20170a7fcb78SPaul Blakey 20184c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 20194c3844d9SPaul Blakey { 20204c3844d9SPaul Blakey return flow->tunnel_id; 20214c3844d9SPaul Blakey } 20224c3844d9SPaul Blakey 2023fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 2024fca53304SEli Britstein struct flow_match_basic *match, bool outer, 2025fca53304SEli Britstein void *headers_c, void *headers_v) 20264a5d5d73SEli Britstein { 2027fca53304SEli Britstein bool ip_version_cap; 2028fca53304SEli Britstein 2029fca53304SEli Britstein ip_version_cap = outer ? 2030fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2031fca53304SEli Britstein ft_field_support.outer_ip_version) : 2032fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 2033fca53304SEli Britstein ft_field_support.inner_ip_version); 2034fca53304SEli Britstein 2035fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 2036fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 2037fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 2038fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 2039fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 2040fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 2041fca53304SEli Britstein } else { 20424a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 20434a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 20444a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 20454a5d5d73SEli Britstein ntohs(match->key->n_proto)); 20464a5d5d73SEli Britstein } 2047fca53304SEli Britstein } 20484a5d5d73SEli Britstein 20490a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 20500a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 20510a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 20520a7fcb78SPaul Blakey struct flow_cls_offload *f, 20530a7fcb78SPaul Blakey struct net_device *filter_dev, 20540a7fcb78SPaul Blakey u8 *match_level, 20550a7fcb78SPaul Blakey bool *match_inner) 20560a7fcb78SPaul Blakey { 20570a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20580a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 20590a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 20600a7fcb78SPaul Blakey int err; 20610a7fcb78SPaul Blakey 20620a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 20630a7fcb78SPaul Blakey return -EOPNOTSUPP; 20640a7fcb78SPaul Blakey 20650a7fcb78SPaul Blakey needs_mapping = !!flow->esw_attr->chain; 20660a7fcb78SPaul Blakey sets_mapping = !flow->esw_attr->chain && flow_has_tc_fwd_action(f); 20670a7fcb78SPaul Blakey *match_inner = !needs_mapping; 20680a7fcb78SPaul Blakey 20690a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2070636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 20710a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 2072636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 20730a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2074636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 20750a7fcb78SPaul Blakey return -EOPNOTSUPP; 20760a7fcb78SPaul Blakey } 20770a7fcb78SPaul Blakey 20780a7fcb78SPaul Blakey if (!flow->esw_attr->chain) { 20790a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 20800a7fcb78SPaul Blakey match_level); 20810a7fcb78SPaul Blakey if (err) { 20820a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 20830a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 20840a7fcb78SPaul Blakey netdev_warn(priv->netdev, 20850a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 20860a7fcb78SPaul Blakey return err; 20870a7fcb78SPaul Blakey } 20880a7fcb78SPaul Blakey 208914e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 209014e6b038SEli Cohen * object 209114e6b038SEli Cohen */ 209214e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 20930a7fcb78SPaul Blakey flow->esw_attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 20940a7fcb78SPaul Blakey } 20950a7fcb78SPaul Blakey 20960a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 20970a7fcb78SPaul Blakey return 0; 20980a7fcb78SPaul Blakey 20990a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 21000a7fcb78SPaul Blakey } 21010a7fcb78SPaul Blakey 21020a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 21030a7fcb78SPaul Blakey { 21040a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 21050a7fcb78SPaul Blakey inner_headers); 21060a7fcb78SPaul Blakey } 21070a7fcb78SPaul Blakey 21080a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 21090a7fcb78SPaul Blakey { 21100a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 21110a7fcb78SPaul Blakey inner_headers); 21120a7fcb78SPaul Blakey } 21130a7fcb78SPaul Blakey 21140a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 21150a7fcb78SPaul Blakey { 21160a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 21170a7fcb78SPaul Blakey outer_headers); 21180a7fcb78SPaul Blakey } 21190a7fcb78SPaul Blakey 21200a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 21210a7fcb78SPaul Blakey { 21220a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 21238377629eSEli Britstein outer_headers); 21248377629eSEli Britstein } 21258377629eSEli Britstein 21268377629eSEli Britstein static void *get_match_headers_value(u32 flags, 21278377629eSEli Britstein struct mlx5_flow_spec *spec) 21288377629eSEli Britstein { 21298377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 21300a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 21310a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 21320a7fcb78SPaul Blakey } 21330a7fcb78SPaul Blakey 21340a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 21350a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 21360a7fcb78SPaul Blakey { 21370a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 21380a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 21390a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 21408377629eSEli Britstein } 21418377629eSEli Britstein 21426d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 21436d65bc64Swenxu struct flow_cls_offload *f) 21446d65bc64Swenxu { 21456d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21466d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 21476d65bc64Swenxu struct net_device *ingress_dev; 21486d65bc64Swenxu struct flow_match_meta match; 21496d65bc64Swenxu 21506d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 21516d65bc64Swenxu return 0; 21526d65bc64Swenxu 21536d65bc64Swenxu flow_rule_match_meta(rule, &match); 21546d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 21556d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 21566d65bc64Swenxu return -EINVAL; 21576d65bc64Swenxu } 21586d65bc64Swenxu 21596d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 21606d65bc64Swenxu match.key->ingress_ifindex); 21616d65bc64Swenxu if (!ingress_dev) { 21626d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 21636d65bc64Swenxu "Can't find the ingress port to match on"); 21646d65bc64Swenxu return -EINVAL; 21656d65bc64Swenxu } 21666d65bc64Swenxu 21676d65bc64Swenxu if (ingress_dev != filter_dev) { 21686d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 21696d65bc64Swenxu "Can't match on the ingress filter port"); 21706d65bc64Swenxu return -EINVAL; 21716d65bc64Swenxu } 21726d65bc64Swenxu 21736d65bc64Swenxu return 0; 21746d65bc64Swenxu } 21756d65bc64Swenxu 217672046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 217772046a91SEli Cohen struct flow_cls_offload *f) 217872046a91SEli Cohen { 217972046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 218072046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 218172046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 218272046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 218372046a91SEli Cohen */ 218472046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 218572046a91SEli Cohen return true; 218672046a91SEli Cohen 218772046a91SEli Cohen return false; 218872046a91SEli Cohen } 218972046a91SEli Cohen 2190de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 21910a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2192de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2193f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 219454c177caSOz Shlomo struct net_device *filter_dev, 219593b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2196e3a2b7edSAmir Vadai { 2197e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2198c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2199c5bb1730SMaor Gottlieb outer_headers); 2200c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2201c5bb1730SMaor Gottlieb outer_headers); 2202699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2203699e96ddSJianbo Liu misc_parameters); 2204699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2205699e96ddSJianbo Liu misc_parameters); 2206f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 22078f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2208e3a2b7edSAmir Vadai u16 addr_type = 0; 2209e3a2b7edSAmir Vadai u8 ip_proto = 0; 221093b3586eSHuy Nguyen u8 *match_level; 22116d65bc64Swenxu int err; 2212e3a2b7edSAmir Vadai 221393b3586eSHuy Nguyen match_level = outer_match_level; 2214de0af0bfSRoi Dayan 22158f256622SPablo Neira Ayuso if (dissector->used_keys & 22163d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 22173d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2218e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2219e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2220095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2221699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2222e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2223e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2224bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2225bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2226bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2227bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2228bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2229e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2230fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2231bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 22324c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 22339272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 223472046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 223572046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2236e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 2237e3a2b7edSAmir Vadai netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", 22388f256622SPablo Neira Ayuso dissector->used_keys); 2239e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2240e3a2b7edSAmir Vadai } 2241e3a2b7edSAmir Vadai 2242075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 22430a7fcb78SPaul Blakey bool match_inner = false; 2244bbd00f7eSHadar Hen Zion 22450a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 22460a7fcb78SPaul Blakey outer_match_level, &match_inner); 22470a7fcb78SPaul Blakey if (err) 22480a7fcb78SPaul Blakey return err; 22490a7fcb78SPaul Blakey 22500a7fcb78SPaul Blakey if (match_inner) { 22510a7fcb78SPaul Blakey /* header pointers should point to the inner headers 22520a7fcb78SPaul Blakey * if the packet was decapsulated already. 22530a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2254bbd00f7eSHadar Hen Zion */ 225593b3586eSHuy Nguyen match_level = inner_match_level; 22560a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 22570a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 22580a7fcb78SPaul Blakey } 2259bbd00f7eSHadar Hen Zion } 2260bbd00f7eSHadar Hen Zion 22616d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 22626d65bc64Swenxu if (err) 22636d65bc64Swenxu return err; 22646d65bc64Swenxu 226572046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 226672046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 22678f256622SPablo Neira Ayuso struct flow_match_basic match; 2268e3a2b7edSAmir Vadai 22698f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2270fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2271fca53304SEli Britstein match_level == outer_match_level, 2272fca53304SEli Britstein headers_c, headers_v); 22738f256622SPablo Neira Ayuso 22748f256622SPablo Neira Ayuso if (match.mask->n_proto) 2275d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2276e3a2b7edSAmir Vadai } 227735a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 227835a605dbSEli Britstein is_vlan_dev(filter_dev)) { 227935a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 228035a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 22818f256622SPablo Neira Ayuso struct flow_match_vlan match; 22828f256622SPablo Neira Ayuso 228335a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 228435a605dbSEli Britstein match.key = &filter_dev_key; 228535a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 228635a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 228735a605dbSEli Britstein match.key->vlan_priority = 0; 228835a605dbSEli Britstein match.mask = &filter_dev_mask; 228935a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 229035a605dbSEli Britstein match.mask->vlan_priority = 0; 229135a605dbSEli Britstein } else { 22928f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 229335a605dbSEli Britstein } 22948f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22958f256622SPablo Neira Ayuso match.mask->vlan_priority || 22968f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 22978f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2298699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2299699e96ddSJianbo Liu svlan_tag, 1); 2300699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2301699e96ddSJianbo Liu svlan_tag, 1); 2302699e96ddSJianbo Liu } else { 2303699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2304699e96ddSJianbo Liu cvlan_tag, 1); 2305699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2306699e96ddSJianbo Liu cvlan_tag, 1); 2307699e96ddSJianbo Liu } 2308095b6cfdSOr Gerlitz 23098f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 23108f256622SPablo Neira Ayuso match.mask->vlan_id); 23118f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 23128f256622SPablo Neira Ayuso match.key->vlan_id); 2313358d79a4SOr Gerlitz 23148f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 23158f256622SPablo Neira Ayuso match.mask->vlan_priority); 23168f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 23178f256622SPablo Neira Ayuso match.key->vlan_priority); 231854782900SOr Gerlitz 2319d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2320095b6cfdSOr Gerlitz } 2321d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2322fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2323fc603294SMark Bloch * disabled in match value means both S & C tags 2324fc603294SMark Bloch * don't exist (untagged of both) 2325fc603294SMark Bloch */ 2326cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2327d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2328095b6cfdSOr Gerlitz } 2329095b6cfdSOr Gerlitz 23308f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 23318f256622SPablo Neira Ayuso struct flow_match_vlan match; 23328f256622SPablo Neira Ayuso 233312d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 23348f256622SPablo Neira Ayuso if (match.mask->vlan_id || 23358f256622SPablo Neira Ayuso match.mask->vlan_priority || 23368f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 23378f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2338699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2339699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2340699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2341699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2342699e96ddSJianbo Liu } else { 2343699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2344699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2345699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2346699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2347699e96ddSJianbo Liu } 2348699e96ddSJianbo Liu 2349699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 23508f256622SPablo Neira Ayuso match.mask->vlan_id); 2351699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 23528f256622SPablo Neira Ayuso match.key->vlan_id); 2353699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 23548f256622SPablo Neira Ayuso match.mask->vlan_priority); 2355699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 23568f256622SPablo Neira Ayuso match.key->vlan_priority); 2357699e96ddSJianbo Liu 2358699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 2359699e96ddSJianbo Liu } 2360699e96ddSJianbo Liu } 2361699e96ddSJianbo Liu 23628f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 23638f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 236454782900SOr Gerlitz 23658f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2366d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2367d3a80bb5SOr Gerlitz dmac_47_16), 23688f256622SPablo Neira Ayuso match.mask->dst); 2369d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2370d3a80bb5SOr Gerlitz dmac_47_16), 23718f256622SPablo Neira Ayuso match.key->dst); 2372d3a80bb5SOr Gerlitz 2373d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2374d3a80bb5SOr Gerlitz smac_47_16), 23758f256622SPablo Neira Ayuso match.mask->src); 2376d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2377d3a80bb5SOr Gerlitz smac_47_16), 23788f256622SPablo Neira Ayuso match.key->src); 2379d3a80bb5SOr Gerlitz 23808f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 23818f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2382d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 238354782900SOr Gerlitz } 238454782900SOr Gerlitz 23858f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 23868f256622SPablo Neira Ayuso struct flow_match_control match; 238754782900SOr Gerlitz 23888f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 23898f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 239054782900SOr Gerlitz 239154782900SOr Gerlitz /* the HW doesn't support frag first/later */ 23928f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 239354782900SOr Gerlitz return -EOPNOTSUPP; 239454782900SOr Gerlitz 23958f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 239654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 239754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 23988f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 239954782900SOr Gerlitz 240054782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 24018f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 240283621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 240354782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 240454782900SOr Gerlitz else 240583621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 240654782900SOr Gerlitz } 240754782900SOr Gerlitz } 240854782900SOr Gerlitz 24098f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 24108f256622SPablo Neira Ayuso struct flow_match_basic match; 24118f256622SPablo Neira Ayuso 24128f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 24138f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 241454782900SOr Gerlitz 241554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 24168f256622SPablo Neira Ayuso match.mask->ip_proto); 241754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 24188f256622SPablo Neira Ayuso match.key->ip_proto); 241954782900SOr Gerlitz 24208f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2421d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 242254782900SOr Gerlitz } 242354782900SOr Gerlitz 2424e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 24258f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2426e3a2b7edSAmir Vadai 24278f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2428e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2429e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 24308f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2431e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2432e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 24338f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2434e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2435e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 24368f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2437e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2438e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 24398f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2440de0af0bfSRoi Dayan 24418f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2442d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2443e3a2b7edSAmir Vadai } 2444e3a2b7edSAmir Vadai 2445e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 24468f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2447e3a2b7edSAmir Vadai 24488f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2449e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2450e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24518f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2452e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2453e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24548f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2455e3a2b7edSAmir Vadai 2456e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2457e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24588f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2459e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2460e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24618f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2462de0af0bfSRoi Dayan 24638f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 24648f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2465d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2466e3a2b7edSAmir Vadai } 2467e3a2b7edSAmir Vadai 24688f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 24698f256622SPablo Neira Ayuso struct flow_match_ip match; 24701f97a526SOr Gerlitz 24718f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 24728f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 24738f256622SPablo Neira Ayuso match.mask->tos & 0x3); 24748f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 24758f256622SPablo Neira Ayuso match.key->tos & 0x3); 24761f97a526SOr Gerlitz 24778f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 24788f256622SPablo Neira Ayuso match.mask->tos >> 2); 24798f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 24808f256622SPablo Neira Ayuso match.key->tos >> 2); 24811f97a526SOr Gerlitz 24828f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 24838f256622SPablo Neira Ayuso match.mask->ttl); 24848f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 24858f256622SPablo Neira Ayuso match.key->ttl); 24861f97a526SOr Gerlitz 24878f256622SPablo Neira Ayuso if (match.mask->ttl && 2488a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2489e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2490e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2491e98bedf5SEli Britstein "Matching on TTL is not supported"); 24921f97a526SOr Gerlitz return -EOPNOTSUPP; 2493e98bedf5SEli Britstein } 2494a8ade55fSOr Gerlitz 24958f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2496d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 24971f97a526SOr Gerlitz } 24981f97a526SOr Gerlitz 249954782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 250054782900SOr Gerlitz 25018f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 25028f256622SPablo Neira Ayuso struct flow_match_ports match; 25038f256622SPablo Neira Ayuso 25048f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2505e3a2b7edSAmir Vadai switch (ip_proto) { 2506e3a2b7edSAmir Vadai case IPPROTO_TCP: 2507e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25088f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2509e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25108f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2511e3a2b7edSAmir Vadai 2512e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25138f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2514e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25158f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2516e3a2b7edSAmir Vadai break; 2517e3a2b7edSAmir Vadai 2518e3a2b7edSAmir Vadai case IPPROTO_UDP: 2519e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25208f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2521e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25228f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2523e3a2b7edSAmir Vadai 2524e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25258f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2526e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25278f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2528e3a2b7edSAmir Vadai break; 2529e3a2b7edSAmir Vadai default: 2530e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2531e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2532e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2533e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2534e3a2b7edSAmir Vadai return -EINVAL; 2535e3a2b7edSAmir Vadai } 2536de0af0bfSRoi Dayan 25378f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2538d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2539e3a2b7edSAmir Vadai } 2540e3a2b7edSAmir Vadai 25418f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 25428f256622SPablo Neira Ayuso struct flow_match_tcp match; 2543e77834ecSOr Gerlitz 25448f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2545e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 25468f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2547e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 25488f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2549e77834ecSOr Gerlitz 25508f256622SPablo Neira Ayuso if (match.mask->flags) 2551d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2552e77834ecSOr Gerlitz } 2553e77834ecSOr Gerlitz 2554e3a2b7edSAmir Vadai return 0; 2555e3a2b7edSAmir Vadai } 2556e3a2b7edSAmir Vadai 2557de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 255865ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2559de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2560f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 256154c177caSOz Shlomo struct net_device *filter_dev) 2562de0af0bfSRoi Dayan { 256393b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2564e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2565de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2566de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 25671d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 25681d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2569226f2ca3SVlad Buslov bool is_eswitch_flow; 2570de0af0bfSRoi Dayan int err; 2571de0af0bfSRoi Dayan 257293b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 257393b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 257493b3586eSHuy Nguyen 25750a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 25760a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 257793b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 257893b3586eSHuy Nguyen outer_match_level : inner_match_level; 2579de0af0bfSRoi Dayan 2580226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2581226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 25821d447a39SSaeed Mahameed rep = rpriv->rep; 2583b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 25841d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 258593b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2586e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2587e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2588de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2589de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 259093b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2591de0af0bfSRoi Dayan return -EOPNOTSUPP; 2592de0af0bfSRoi Dayan } 2593de0af0bfSRoi Dayan } 2594de0af0bfSRoi Dayan 2595226f2ca3SVlad Buslov if (is_eswitch_flow) { 259693b3586eSHuy Nguyen flow->esw_attr->inner_match_level = inner_match_level; 259793b3586eSHuy Nguyen flow->esw_attr->outer_match_level = outer_match_level; 25986363651dSOr Gerlitz } else { 259993b3586eSHuy Nguyen flow->nic_attr->match_level = non_tunnel_match_level; 26006363651dSOr Gerlitz } 260138aa51c1SOr Gerlitz 2602de0af0bfSRoi Dayan return err; 2603de0af0bfSRoi Dayan } 2604de0af0bfSRoi Dayan 2605d79b6df6SOr Gerlitz struct pedit_headers { 2606d79b6df6SOr Gerlitz struct ethhdr eth; 26070eb69bb9SEli Britstein struct vlan_hdr vlan; 2608d79b6df6SOr Gerlitz struct iphdr ip4; 2609d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2610d79b6df6SOr Gerlitz struct tcphdr tcp; 2611d79b6df6SOr Gerlitz struct udphdr udp; 2612d79b6df6SOr Gerlitz }; 2613d79b6df6SOr Gerlitz 2614c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2615c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2616c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2617c500c86bSPablo Neira Ayuso u32 pedits; 2618c500c86bSPablo Neira Ayuso }; 2619c500c86bSPablo Neira Ayuso 2620d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 262173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 262273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 262373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 262473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 262573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2626d79b6df6SOr Gerlitz }; 2627d79b6df6SOr Gerlitz 2628d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2629d79b6df6SOr Gerlitz 2630d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2631c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2632d79b6df6SOr Gerlitz { 2633d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2634d79b6df6SOr Gerlitz 2635c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2636c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2637d79b6df6SOr Gerlitz 2638d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2639d79b6df6SOr Gerlitz goto out_err; 2640d79b6df6SOr Gerlitz 2641d79b6df6SOr Gerlitz *curr_pmask |= mask; 2642d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2643d79b6df6SOr Gerlitz 2644d79b6df6SOr Gerlitz return 0; 2645d79b6df6SOr Gerlitz 2646d79b6df6SOr Gerlitz out_err: 2647d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2648d79b6df6SOr Gerlitz } 2649d79b6df6SOr Gerlitz 2650d79b6df6SOr Gerlitz struct mlx5_fields { 2651d79b6df6SOr Gerlitz u8 field; 265288f30bbcSDmytro Linkin u8 field_bsize; 265388f30bbcSDmytro Linkin u32 field_mask; 2654d79b6df6SOr Gerlitz u32 offset; 265527c11b6bSEli Britstein u32 match_offset; 2656d79b6df6SOr Gerlitz }; 2657d79b6df6SOr Gerlitz 265888f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 265988f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 266027c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 266127c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 266227c11b6bSEli Britstein 26632ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 26642ef86872SEli Britstein * match. 26652ef86872SEli Britstein */ 26662ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 26672ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 26682ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 26692ef86872SEli Britstein type maskx = *(type *)(maskp); \ 26702ef86872SEli Britstein type valx = *(type *)(valp); \ 26712ef86872SEli Britstein \ 26722ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 26732ef86872SEli Britstein matchmaskx)); \ 26742ef86872SEli Britstein }) 26752ef86872SEli Britstein 267627c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 267788f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 267827c11b6bSEli Britstein { 267927c11b6bSEli Britstein bool same = false; 268027c11b6bSEli Britstein 268188f30bbcSDmytro Linkin switch (bsize) { 268288f30bbcSDmytro Linkin case 8: 26832ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 268427c11b6bSEli Britstein break; 268588f30bbcSDmytro Linkin case 16: 26862ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 268727c11b6bSEli Britstein break; 268888f30bbcSDmytro Linkin case 32: 26892ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 269027c11b6bSEli Britstein break; 269127c11b6bSEli Britstein } 269227c11b6bSEli Britstein 269327c11b6bSEli Britstein return same; 269427c11b6bSEli Britstein } 2695a8e4f0c4SOr Gerlitz 2696d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 269788f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 269888f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 269988f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 270088f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 270188f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 270288f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2703d79b6df6SOr Gerlitz 2704ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 270588f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 270688f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 270788f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2708d79b6df6SOr Gerlitz 270988f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 271027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 271188f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 271227c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 271388f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 271427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 271588f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 271627c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 271788f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 271827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 271988f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 272027c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 272188f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 272227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 272388f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 272427c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 272588f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2726d79b6df6SOr Gerlitz 272788f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 272888f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 272988f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 273088f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2731d79b6df6SOr Gerlitz 273288f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 273388f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2734d79b6df6SOr Gerlitz }; 2735d79b6df6SOr Gerlitz 27366ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 27376ae4a6a5SPaul Blakey int namespace, 27386ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2739e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 274027c11b6bSEli Britstein u32 *action_flags, 2741e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2742d79b6df6SOr Gerlitz { 2743d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 27446ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 274588f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 274688f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 27476ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2748d79b6df6SOr Gerlitz struct mlx5_fields *f; 2749d79b6df6SOr Gerlitz unsigned long mask; 27502b64bebaSOr Gerlitz __be32 mask_be32; 27512b64bebaSOr Gerlitz __be16 mask_be16; 27526ae4a6a5SPaul Blakey int err; 275388f30bbcSDmytro Linkin u8 cmd; 275488f30bbcSDmytro Linkin 27556ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 275688f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 275788f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2758d79b6df6SOr Gerlitz 275973867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 276073867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 276173867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 276273867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2763d79b6df6SOr Gerlitz 2764d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2765d79b6df6SOr Gerlitz 2766d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 276727c11b6bSEli Britstein bool skip; 276827c11b6bSEli Britstein 2769d79b6df6SOr Gerlitz f = &fields[i]; 2770d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2771e3ca4e05SOr Gerlitz s_mask = 0; 2772e3ca4e05SOr Gerlitz a_mask = 0; 2773d79b6df6SOr Gerlitz 2774d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2775d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2776d79b6df6SOr Gerlitz 277788f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 277888f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2779d79b6df6SOr Gerlitz 2780d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2781d79b6df6SOr Gerlitz continue; 2782d79b6df6SOr Gerlitz 2783d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2784e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2785e98bedf5SEli Britstein "can't set and add to the same HW field"); 2786d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2787d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2788d79b6df6SOr Gerlitz } 2789d79b6df6SOr Gerlitz 279027c11b6bSEli Britstein skip = false; 2791d79b6df6SOr Gerlitz if (s_mask) { 279227c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 279327c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 279427c11b6bSEli Britstein 2795d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2796d79b6df6SOr Gerlitz mask = s_mask; 2797d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 279827c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 279927c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 280088f30bbcSDmytro Linkin match_mask, f->field_bsize)) 280127c11b6bSEli Britstein skip = true; 2802d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 280388f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2804d79b6df6SOr Gerlitz } else { 2805d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2806d79b6df6SOr Gerlitz mask = a_mask; 2807d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 280827c11b6bSEli Britstein /* add 0 is no change */ 280988f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 281027c11b6bSEli Britstein skip = true; 2811d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 281288f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2813d79b6df6SOr Gerlitz } 281427c11b6bSEli Britstein if (skip) 281527c11b6bSEli Britstein continue; 2816d79b6df6SOr Gerlitz 281788f30bbcSDmytro Linkin if (f->field_bsize == 32) { 281858ff18e1SSaeed Mahameed mask_be32 = (__force __be32)(mask); 28192b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 282088f30bbcSDmytro Linkin } else if (f->field_bsize == 16) { 282158ff18e1SSaeed Mahameed mask_be32 = (__force __be32)(mask); 2822404402abSSebastian Hense mask_be16 = *(__be16 *)&mask_be32; 28232b64bebaSOr Gerlitz mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 28242b64bebaSOr Gerlitz } 28252b64bebaSOr Gerlitz 282688f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 282788f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 282888f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 28292b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2830e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2831e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 28322b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2833d79b6df6SOr Gerlitz mask); 2834d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2835d79b6df6SOr Gerlitz } 2836d79b6df6SOr Gerlitz 28376ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 28386ae4a6a5SPaul Blakey if (err) { 28396ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 28406ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 28416ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 28426ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 28436ae4a6a5SPaul Blakey mod_acts->num_actions); 28446ae4a6a5SPaul Blakey return err; 28456ae4a6a5SPaul Blakey } 28466ae4a6a5SPaul Blakey 28476ae4a6a5SPaul Blakey action = mod_acts->actions + 28486ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2849d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2850d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2851d79b6df6SOr Gerlitz 2852d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 285388f30bbcSDmytro Linkin int start; 285488f30bbcSDmytro Linkin 285588f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 285688f30bbcSDmytro Linkin start = find_first_bit((unsigned long *)&f->field_mask, 285788f30bbcSDmytro Linkin f->field_bsize); 285888f30bbcSDmytro Linkin 285988f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2860d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 28612b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2862d79b6df6SOr Gerlitz } 2863d79b6df6SOr Gerlitz 286488f30bbcSDmytro Linkin if (f->field_bsize == 32) 28652b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 286688f30bbcSDmytro Linkin else if (f->field_bsize == 16) 28672b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 286888f30bbcSDmytro Linkin else if (f->field_bsize == 8) 28692b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2870d79b6df6SOr Gerlitz 28716ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2872d79b6df6SOr Gerlitz } 2873d79b6df6SOr Gerlitz 2874d79b6df6SOr Gerlitz return 0; 2875d79b6df6SOr Gerlitz } 2876d79b6df6SOr Gerlitz 28772cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 28782cc1cb1dSTonghao Zhang int namespace) 28792cc1cb1dSTonghao Zhang { 28802cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 28812cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 28822cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 28832cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 28842cc1cb1dSTonghao Zhang } 28852cc1cb1dSTonghao Zhang 28866ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2887c500c86bSPablo Neira Ayuso int namespace, 28886ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2889d79b6df6SOr Gerlitz { 28906ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 28916ae4a6a5SPaul Blakey size_t new_sz, old_sz; 28926ae4a6a5SPaul Blakey void *ret; 2893d79b6df6SOr Gerlitz 28946ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 28956ae4a6a5SPaul Blakey return 0; 28966ae4a6a5SPaul Blakey 2897d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2898d79b6df6SOr Gerlitz 28996ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 29006ae4a6a5SPaul Blakey namespace); 29016ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 29026ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 29036ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 29046ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 29056ae4a6a5SPaul Blakey return -ENOSPC; 2906d79b6df6SOr Gerlitz 29076ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 29086ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 29096ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 29106ae4a6a5SPaul Blakey if (!ret) 2911d79b6df6SOr Gerlitz return -ENOMEM; 2912d79b6df6SOr Gerlitz 29136ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 29146ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 29156ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 29166ae4a6a5SPaul Blakey 2917d79b6df6SOr Gerlitz return 0; 2918d79b6df6SOr Gerlitz } 2919d79b6df6SOr Gerlitz 29206ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 29216ae4a6a5SPaul Blakey { 29226ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 29236ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 29246ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 29256ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 29266ae4a6a5SPaul Blakey } 29276ae4a6a5SPaul Blakey 2928d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2929d79b6df6SOr Gerlitz 2930582234b4SEli Cohen static int 2931582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 293273867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2933582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2934c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2935e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2936d79b6df6SOr Gerlitz { 293773867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 293873867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2939d79b6df6SOr Gerlitz u32 mask, val, offset; 294073867881SPablo Neira Ayuso u8 htype; 2941d79b6df6SOr Gerlitz 294273867881SPablo Neira Ayuso htype = act->mangle.htype; 2943d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2944d79b6df6SOr Gerlitz 294573867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 294673867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2947d79b6df6SOr Gerlitz goto out_err; 2948d79b6df6SOr Gerlitz } 2949d79b6df6SOr Gerlitz 29502cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 29512cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 29522cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 29532cc1cb1dSTonghao Zhang goto out_err; 29542cc1cb1dSTonghao Zhang } 29552cc1cb1dSTonghao Zhang 295673867881SPablo Neira Ayuso mask = act->mangle.mask; 295773867881SPablo Neira Ayuso val = act->mangle.val; 295873867881SPablo Neira Ayuso offset = act->mangle.offset; 2959d79b6df6SOr Gerlitz 2960c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2961d79b6df6SOr Gerlitz if (err) 2962d79b6df6SOr Gerlitz goto out_err; 2963c500c86bSPablo Neira Ayuso 2964c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2965d79b6df6SOr Gerlitz 2966c500c86bSPablo Neira Ayuso return 0; 2967c500c86bSPablo Neira Ayuso out_err: 2968c500c86bSPablo Neira Ayuso return err; 2969c500c86bSPablo Neira Ayuso } 2970c500c86bSPablo Neira Ayuso 2971582234b4SEli Cohen static int 2972582234b4SEli Cohen parse_pedit_to_reformat(struct mlx5e_priv *priv, 2973582234b4SEli Cohen const struct flow_action_entry *act, 2974582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2975582234b4SEli Cohen struct netlink_ext_ack *extack) 2976582234b4SEli Cohen { 2977582234b4SEli Cohen u32 mask, val, offset; 2978582234b4SEli Cohen u32 *p; 2979582234b4SEli Cohen 2980582234b4SEli Cohen if (act->id != FLOW_ACTION_MANGLE) 2981582234b4SEli Cohen return -EOPNOTSUPP; 2982582234b4SEli Cohen 2983582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 2984582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 2985582234b4SEli Cohen return -EOPNOTSUPP; 2986582234b4SEli Cohen } 2987582234b4SEli Cohen 2988582234b4SEli Cohen mask = ~act->mangle.mask; 2989582234b4SEli Cohen val = act->mangle.val; 2990582234b4SEli Cohen offset = act->mangle.offset; 2991582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 2992582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 2993582234b4SEli Cohen 2994582234b4SEli Cohen return 0; 2995582234b4SEli Cohen } 2996582234b4SEli Cohen 2997582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2998582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 2999582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 3000582234b4SEli Cohen struct pedit_headers_action *hdrs, 3001582234b4SEli Cohen struct mlx5e_tc_flow *flow, 3002582234b4SEli Cohen struct netlink_ext_ack *extack) 3003582234b4SEli Cohen { 3004582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 3005582234b4SEli Cohen return parse_pedit_to_reformat(priv, act, parse_attr, extack); 3006582234b4SEli Cohen 3007582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 3008582234b4SEli Cohen parse_attr, hdrs, extack); 3009582234b4SEli Cohen } 3010582234b4SEli Cohen 3011c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 3012c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 3013c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 301427c11b6bSEli Britstein u32 *action_flags, 3015c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 3016c500c86bSPablo Neira Ayuso { 3017c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 3018c500c86bSPablo Neira Ayuso int err; 3019c500c86bSPablo Neira Ayuso u8 cmd; 3020c500c86bSPablo Neira Ayuso 30216ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 30226ae4a6a5SPaul Blakey action_flags, extack); 3023d79b6df6SOr Gerlitz if (err < 0) 3024d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3025d79b6df6SOr Gerlitz 3026d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 3027c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 3028d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 3029e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3030e98bedf5SEli Britstein "attempt to offload an unsupported field"); 3031b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 3032d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 3033d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 3034d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 3035d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3036d79b6df6SOr Gerlitz } 3037d79b6df6SOr Gerlitz } 3038d79b6df6SOr Gerlitz 3039d79b6df6SOr Gerlitz return 0; 3040d79b6df6SOr Gerlitz 3041d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 30426ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3043d79b6df6SOr Gerlitz return err; 3044d79b6df6SOr Gerlitz } 3045d79b6df6SOr Gerlitz 3046e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 3047e98bedf5SEli Britstein u32 action, 3048e98bedf5SEli Britstein u32 update_flags, 3049e98bedf5SEli Britstein struct netlink_ext_ack *extack) 305026c02749SOr Gerlitz { 305126c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 305226c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 305326c02749SOr Gerlitz 305426c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 305526c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 3056e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3057e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 305826c02749SOr Gerlitz netdev_warn(priv->netdev, 305926c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 306026c02749SOr Gerlitz return false; 306126c02749SOr Gerlitz } 306226c02749SOr Gerlitz 306326c02749SOr Gerlitz if (update_flags & ~prot_flags) { 3064e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3065e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 306626c02749SOr Gerlitz netdev_warn(priv->netdev, 306726c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 306826c02749SOr Gerlitz update_flags); 306926c02749SOr Gerlitz return false; 307026c02749SOr Gerlitz } 307126c02749SOr Gerlitz 307226c02749SOr Gerlitz return true; 307326c02749SOr Gerlitz } 307426c02749SOr Gerlitz 30758998576bSDmytro Linkin struct ip_ttl_word { 30768998576bSDmytro Linkin __u8 ttl; 30778998576bSDmytro Linkin __u8 protocol; 30788998576bSDmytro Linkin __sum16 check; 30798998576bSDmytro Linkin }; 30808998576bSDmytro Linkin 30818998576bSDmytro Linkin struct ipv6_hoplimit_word { 30828998576bSDmytro Linkin __be16 payload_len; 30838998576bSDmytro Linkin __u8 nexthdr; 30848998576bSDmytro Linkin __u8 hop_limit; 30858998576bSDmytro Linkin }; 30868998576bSDmytro Linkin 30874c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 30884c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 30894c3844d9SPaul Blakey struct netlink_ext_ack *extack) 30908998576bSDmytro Linkin { 30918998576bSDmytro Linkin u32 mask, offset; 30928998576bSDmytro Linkin u8 htype; 30938998576bSDmytro Linkin 30948998576bSDmytro Linkin htype = act->mangle.htype; 30958998576bSDmytro Linkin offset = act->mangle.offset; 30968998576bSDmytro Linkin mask = ~act->mangle.mask; 30978998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 30988998576bSDmytro Linkin * to determine that modified fields 30998998576bSDmytro Linkin * are NOT ttl & hop_limit only. 31008998576bSDmytro Linkin */ 31018998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 31028998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 31038998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 31048998576bSDmytro Linkin 31058998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 31068998576bSDmytro Linkin ttl_word->protocol || 31078998576bSDmytro Linkin ttl_word->check) { 31084c3844d9SPaul Blakey *modify_ip_header = true; 31094c3844d9SPaul Blakey } 31104c3844d9SPaul Blakey 31114c3844d9SPaul Blakey if (ct_flow && offset >= offsetof(struct iphdr, saddr)) { 31124c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31134c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 31144c3844d9SPaul Blakey return -EOPNOTSUPP; 31158998576bSDmytro Linkin } 31168998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 31178998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 31188998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 31198998576bSDmytro Linkin 31208998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 31218998576bSDmytro Linkin hoplimit_word->payload_len || 31228998576bSDmytro Linkin hoplimit_word->nexthdr) { 31234c3844d9SPaul Blakey *modify_ip_header = true; 31248998576bSDmytro Linkin } 31254c3844d9SPaul Blakey 31264c3844d9SPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) { 31274c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31284c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 31294c3844d9SPaul Blakey return -EOPNOTSUPP; 31308998576bSDmytro Linkin } 31314c3844d9SPaul Blakey } else if (ct_flow && (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 31324c3844d9SPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP)) { 31334c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31344c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 31354c3844d9SPaul Blakey return -EOPNOTSUPP; 31364c3844d9SPaul Blakey } 31374c3844d9SPaul Blakey 31384c3844d9SPaul Blakey return 0; 31398998576bSDmytro Linkin } 31408998576bSDmytro Linkin 3141bdd66ac0SOr Gerlitz static bool modify_header_match_supported(struct mlx5_flow_spec *spec, 314273867881SPablo Neira Ayuso struct flow_action *flow_action, 31434c3844d9SPaul Blakey u32 actions, bool ct_flow, 3144e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3145bdd66ac0SOr Gerlitz { 314673867881SPablo Neira Ayuso const struct flow_action_entry *act; 3147bdd66ac0SOr Gerlitz bool modify_ip_header; 3148fca53304SEli Britstein void *headers_c; 3149bdd66ac0SOr Gerlitz void *headers_v; 3150bdd66ac0SOr Gerlitz u16 ethertype; 31518998576bSDmytro Linkin u8 ip_proto; 31524c3844d9SPaul Blakey int i, err; 3153bdd66ac0SOr Gerlitz 3154fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 31558377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3156bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3157bdd66ac0SOr Gerlitz 3158bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3159fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3160fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3161bdd66ac0SOr Gerlitz goto out_ok; 3162bdd66ac0SOr Gerlitz 3163bdd66ac0SOr Gerlitz modify_ip_header = false; 316473867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 316573867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 316673867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3167bdd66ac0SOr Gerlitz continue; 3168bdd66ac0SOr Gerlitz 31694c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 31704c3844d9SPaul Blakey &modify_ip_header, extack); 31714c3844d9SPaul Blakey if (err) 31724c3844d9SPaul Blakey return err; 3173bdd66ac0SOr Gerlitz } 3174bdd66ac0SOr Gerlitz 3175bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 31761ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 31771ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3178e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3179e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 3180bdd66ac0SOr Gerlitz pr_info("can't offload re-write of ip proto %d\n", ip_proto); 3181bdd66ac0SOr Gerlitz return false; 3182bdd66ac0SOr Gerlitz } 3183bdd66ac0SOr Gerlitz 3184bdd66ac0SOr Gerlitz out_ok: 3185bdd66ac0SOr Gerlitz return true; 3186bdd66ac0SOr Gerlitz } 3187bdd66ac0SOr Gerlitz 3188bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 318973867881SPablo Neira Ayuso struct flow_action *flow_action, 3190bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3191e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3192e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3193bdd66ac0SOr Gerlitz { 3194d0645b37SRoi Dayan bool ct_flow; 3195bdd66ac0SOr Gerlitz u32 actions; 3196bdd66ac0SOr Gerlitz 31974c3844d9SPaul Blakey ct_flow = flow_flag_test(flow, CT); 31984c3844d9SPaul Blakey if (mlx5e_is_eswitch_flow(flow)) { 3199bdd66ac0SOr Gerlitz actions = flow->esw_attr->action; 32004c3844d9SPaul Blakey 32014c3844d9SPaul Blakey if (flow->esw_attr->split_count && ct_flow) { 32024c3844d9SPaul Blakey /* All registers used by ct are cleared when using 32034c3844d9SPaul Blakey * split rules. 32044c3844d9SPaul Blakey */ 32054c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 32064c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 320749397b80SDan Carpenter return false; 32084c3844d9SPaul Blakey } 32094c3844d9SPaul Blakey } else { 3210bdd66ac0SOr Gerlitz actions = flow->nic_attr->action; 32114c3844d9SPaul Blakey } 3212bdd66ac0SOr Gerlitz 3213bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 321473867881SPablo Neira Ayuso return modify_header_match_supported(&parse_attr->spec, 3215a655fe9fSDavid S. Miller flow_action, actions, 32164c3844d9SPaul Blakey ct_flow, extack); 3217bdd66ac0SOr Gerlitz 3218bdd66ac0SOr Gerlitz return true; 3219bdd66ac0SOr Gerlitz } 3220bdd66ac0SOr Gerlitz 322132134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 322232134847SMaor Dickman { 322332134847SMaor Dickman return priv->mdev == peer_priv->mdev; 322432134847SMaor Dickman } 322532134847SMaor Dickman 32265c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 32275c65c564SOr Gerlitz { 32285c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3229816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 32305c65c564SOr Gerlitz 32315c65c564SOr Gerlitz fmdev = priv->mdev; 32325c65c564SOr Gerlitz pmdev = peer_priv->mdev; 32335c65c564SOr Gerlitz 323459c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 323559c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 32365c65c564SOr Gerlitz 3237816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 32385c65c564SOr Gerlitz } 32395c65c564SOr Gerlitz 3240bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3241bdc837eeSEli Britstein const struct flow_action_entry *act, 3242bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3243bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3244bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3245bdc837eeSEli Britstein { 3246bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3247bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3248bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3249bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3250bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3251bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3252bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3253bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3254bdc837eeSEli Britstein }; 32556fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3256bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3257bdc837eeSEli Britstein int err; 3258bdc837eeSEli Britstein 3259bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3260bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3261bf2f3bcaSEli Britstein 3262bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3263bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3264bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3265bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3266bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3267bf2f3bcaSEli Britstein } 3268bf2f3bcaSEli Britstein 32696fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 32706fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 32716fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 32726fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 32736fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3274bdc837eeSEli Britstein return -EOPNOTSUPP; 3275bdc837eeSEli Britstein } 3276bdc837eeSEli Britstein 3277582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3278bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3279bdc837eeSEli Britstein 3280bdc837eeSEli Britstein return err; 3281bdc837eeSEli Britstein } 3282bdc837eeSEli Britstein 32830bac1194SEli Britstein static int 32840bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 32850bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 32860bac1194SEli Britstein struct pedit_headers_action *hdrs, 32870bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 32880bac1194SEli Britstein { 32890bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 32900bac1194SEli Britstein .vlan.vid = 0, 32910bac1194SEli Britstein .vlan.prio = 32920bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32930bac1194SEli Britstein get_match_headers_value(*action, 32940bac1194SEli Britstein &parse_attr->spec), 32950bac1194SEli Britstein first_prio) & 32960bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 32970bac1194SEli Britstein get_match_headers_criteria(*action, 32980bac1194SEli Britstein &parse_attr->spec), 32990bac1194SEli Britstein first_prio), 33000bac1194SEli Britstein }; 33010bac1194SEli Britstein 33020bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 33030bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 33040bac1194SEli Britstein extack); 33050bac1194SEli Britstein } 33060bac1194SEli Britstein 330773867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 330873867881SPablo Neira Ayuso struct flow_action *flow_action, 3309aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3310e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3311e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3312e3a2b7edSAmir Vadai { 3313aa0cbbaeSOr Gerlitz struct mlx5_nic_flow_attr *attr = flow->nic_attr; 331473867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 331573867881SPablo Neira Ayuso const struct flow_action_entry *act; 33161cab1cd7SOr Gerlitz u32 action = 0; 3317244cd96aSCong Wang int err, i; 3318e3a2b7edSAmir Vadai 331973867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3320e3a2b7edSAmir Vadai return -EINVAL; 3321e3a2b7edSAmir Vadai 332253eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 332353eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3324319a1d19SJiri Pirko return -EOPNOTSUPP; 3325319a1d19SJiri Pirko 33263bc4b7bfSOr Gerlitz attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3327e3a2b7edSAmir Vadai 332873867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 332973867881SPablo Neira Ayuso switch (act->id) { 333015fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 333115fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 333215fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 333315fc92ecSTonghao Zhang break; 333473867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 33351cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3336aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3337aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 33381cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 333973867881SPablo Neira Ayuso break; 334073867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 334173867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 334273867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3343582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 33442f4fe4caSOr Gerlitz if (err) 33452f4fe4caSOr Gerlitz return err; 33462f4fe4caSOr Gerlitz 33471cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | 33482f4fe4caSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 334973867881SPablo Neira Ayuso break; 3350bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3351bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3352bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3353bdc837eeSEli Britstein act, parse_attr, hdrs, 3354bdc837eeSEli Britstein &action, extack); 3355bdc837eeSEli Britstein if (err) 3356bdc837eeSEli Britstein return err; 3357bdc837eeSEli Britstein 3358bdc837eeSEli Britstein break; 335973867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 33601cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 336173867881SPablo Neira Ayuso act->csum_flags, 3362e98bedf5SEli Britstein extack)) 336373867881SPablo Neira Ayuso break; 336426c02749SOr Gerlitz 336526c02749SOr Gerlitz return -EOPNOTSUPP; 336673867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 336773867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 33685c65c564SOr Gerlitz 33695c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 33705c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 337198b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3372226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 33731cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 33745c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 33755c65c564SOr Gerlitz } else { 3376e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3377e98bedf5SEli Britstein "device is not on same HW, can't offload"); 33785c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 33795c65c564SOr Gerlitz peer_dev->name); 33805c65c564SOr Gerlitz return -EINVAL; 33815c65c564SOr Gerlitz } 33825c65c564SOr Gerlitz } 338373867881SPablo Neira Ayuso break; 338473867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 338573867881SPablo Neira Ayuso u32 mark = act->mark; 3386e3a2b7edSAmir Vadai 3387e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3388e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3389e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3390e3a2b7edSAmir Vadai return -EINVAL; 3391e3a2b7edSAmir Vadai } 3392e3a2b7edSAmir Vadai 33933bc4b7bfSOr Gerlitz attr->flow_tag = mark; 33941cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3395e3a2b7edSAmir Vadai } 339673867881SPablo Neira Ayuso break; 339773867881SPablo Neira Ayuso default: 33982cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 33992cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3400e3a2b7edSAmir Vadai } 340173867881SPablo Neira Ayuso } 3402e3a2b7edSAmir Vadai 3403c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3404c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3405c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 340627c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3407c500c86bSPablo Neira Ayuso if (err) 3408c500c86bSPablo Neira Ayuso return err; 340927c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 341027c11b6bSEli Britstein * flag. 341127c11b6bSEli Britstein */ 34126ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 341327c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 34146ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3415e7739a60SEli Britstein } 3416c500c86bSPablo Neira Ayuso } 3417c500c86bSPablo Neira Ayuso 34181cab1cd7SOr Gerlitz attr->action = action; 341973867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3420bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3421bdd66ac0SOr Gerlitz 3422e3a2b7edSAmir Vadai return 0; 3423e3a2b7edSAmir Vadai } 3424e3a2b7edSAmir Vadai 34257f1a546eSEli Britstein struct encap_key { 34261f6da306SYevgeny Kliteynik const struct ip_tunnel_key *ip_tun_key; 3427d386939aSYevgeny Kliteynik struct mlx5e_tc_tunnel *tc_tunnel; 34287f1a546eSEli Britstein }; 34297f1a546eSEli Britstein 34307f1a546eSEli Britstein static inline int cmp_encap_info(struct encap_key *a, 34317f1a546eSEli Britstein struct encap_key *b) 3432a54e20b4SHadar Hen Zion { 34337f1a546eSEli Britstein return memcmp(a->ip_tun_key, b->ip_tun_key, sizeof(*a->ip_tun_key)) || 3434d386939aSYevgeny Kliteynik a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type; 3435a54e20b4SHadar Hen Zion } 3436a54e20b4SHadar Hen Zion 343714e6b038SEli Cohen static inline int cmp_decap_info(struct mlx5e_decap_key *a, 343814e6b038SEli Cohen struct mlx5e_decap_key *b) 343914e6b038SEli Cohen { 344014e6b038SEli Cohen return memcmp(&a->key, &b->key, sizeof(b->key)); 344114e6b038SEli Cohen } 344214e6b038SEli Cohen 34437f1a546eSEli Britstein static inline int hash_encap_info(struct encap_key *key) 3444a54e20b4SHadar Hen Zion { 34457f1a546eSEli Britstein return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key), 3446d386939aSYevgeny Kliteynik key->tc_tunnel->tunnel_type); 3447a54e20b4SHadar Hen Zion } 3448a54e20b4SHadar Hen Zion 344914e6b038SEli Cohen static inline int hash_decap_info(struct mlx5e_decap_key *key) 345014e6b038SEli Cohen { 345114e6b038SEli Cohen return jhash(&key->key, sizeof(key->key), 0); 345214e6b038SEli Cohen } 3453a54e20b4SHadar Hen Zion 345432134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3455b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3456b1d90e6bSRabie Loulou { 3457b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3458b1d90e6bSRabie Loulou 3459b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3460b1d90e6bSRabie Loulou 3461b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 346232134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 346332134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 346468931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3465b1d90e6bSRabie Loulou } 3466b1d90e6bSRabie Loulou 3467948993f2SVlad Buslov bool mlx5e_encap_take(struct mlx5e_encap_entry *e) 3468948993f2SVlad Buslov { 3469948993f2SVlad Buslov return refcount_inc_not_zero(&e->refcnt); 3470948993f2SVlad Buslov } 3471948993f2SVlad Buslov 347214e6b038SEli Cohen static bool mlx5e_decap_take(struct mlx5e_decap_entry *e) 347314e6b038SEli Cohen { 347414e6b038SEli Cohen return refcount_inc_not_zero(&e->refcnt); 347514e6b038SEli Cohen } 347614e6b038SEli Cohen 3477948993f2SVlad Buslov static struct mlx5e_encap_entry * 3478948993f2SVlad Buslov mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key, 3479948993f2SVlad Buslov uintptr_t hash_key) 3480948993f2SVlad Buslov { 3481948993f2SVlad Buslov struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3482948993f2SVlad Buslov struct mlx5e_encap_entry *e; 3483948993f2SVlad Buslov struct encap_key e_key; 3484948993f2SVlad Buslov 3485948993f2SVlad Buslov hash_for_each_possible_rcu(esw->offloads.encap_tbl, e, 3486948993f2SVlad Buslov encap_hlist, hash_key) { 3487948993f2SVlad Buslov e_key.ip_tun_key = &e->tun_info->key; 3488948993f2SVlad Buslov e_key.tc_tunnel = e->tunnel; 3489948993f2SVlad Buslov if (!cmp_encap_info(&e_key, key) && 3490948993f2SVlad Buslov mlx5e_encap_take(e)) 3491948993f2SVlad Buslov return e; 3492948993f2SVlad Buslov } 3493948993f2SVlad Buslov 3494948993f2SVlad Buslov return NULL; 3495948993f2SVlad Buslov } 3496948993f2SVlad Buslov 349714e6b038SEli Cohen static struct mlx5e_decap_entry * 349814e6b038SEli Cohen mlx5e_decap_get(struct mlx5e_priv *priv, struct mlx5e_decap_key *key, 349914e6b038SEli Cohen uintptr_t hash_key) 350014e6b038SEli Cohen { 350114e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 350214e6b038SEli Cohen struct mlx5e_decap_key r_key; 350314e6b038SEli Cohen struct mlx5e_decap_entry *e; 350414e6b038SEli Cohen 350514e6b038SEli Cohen hash_for_each_possible_rcu(esw->offloads.decap_tbl, e, 350614e6b038SEli Cohen hlist, hash_key) { 350714e6b038SEli Cohen r_key = e->key; 350814e6b038SEli Cohen if (!cmp_decap_info(&r_key, key) && 350914e6b038SEli Cohen mlx5e_decap_take(e)) 351014e6b038SEli Cohen return e; 351114e6b038SEli Cohen } 351214e6b038SEli Cohen return NULL; 351314e6b038SEli Cohen } 351414e6b038SEli Cohen 35152a4b6526SVlad Buslov static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info) 35162a4b6526SVlad Buslov { 35172a4b6526SVlad Buslov size_t tun_size = sizeof(*tun_info) + tun_info->options_len; 35182a4b6526SVlad Buslov 35192a4b6526SVlad Buslov return kmemdup(tun_info, tun_size, GFP_KERNEL); 35202a4b6526SVlad Buslov } 35212a4b6526SVlad Buslov 3522554fe75cSDmytro Linkin static bool is_duplicated_encap_entry(struct mlx5e_priv *priv, 3523554fe75cSDmytro Linkin struct mlx5e_tc_flow *flow, 3524554fe75cSDmytro Linkin int out_index, 3525554fe75cSDmytro Linkin struct mlx5e_encap_entry *e, 3526554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3527554fe75cSDmytro Linkin { 3528554fe75cSDmytro Linkin int i; 3529554fe75cSDmytro Linkin 3530554fe75cSDmytro Linkin for (i = 0; i < out_index; i++) { 3531554fe75cSDmytro Linkin if (flow->encaps[i].e != e) 3532554fe75cSDmytro Linkin continue; 3533554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, "can't duplicate encap action"); 3534554fe75cSDmytro Linkin netdev_err(priv->netdev, "can't duplicate encap action\n"); 3535554fe75cSDmytro Linkin return true; 3536554fe75cSDmytro Linkin } 3537554fe75cSDmytro Linkin 3538554fe75cSDmytro Linkin return false; 3539554fe75cSDmytro Linkin } 3540554fe75cSDmytro Linkin 3541a54e20b4SHadar Hen Zion static int mlx5e_attach_encap(struct mlx5e_priv *priv, 3542e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3543733d4f36SRoi Dayan struct net_device *mirred_dev, 3544733d4f36SRoi Dayan int out_index, 35458c4dc42bSEli Britstein struct netlink_ext_ack *extack, 35460ad060eeSRoi Dayan struct net_device **encap_dev, 35470ad060eeSRoi Dayan bool *encap_valid) 354803a9d11eSOr Gerlitz { 3549a54e20b4SHadar Hen Zion struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 355045247bf2SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3551733d4f36SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 35521f6da306SYevgeny Kliteynik const struct ip_tunnel_info *tun_info; 3553948993f2SVlad Buslov struct encap_key key; 3554c1ae1152SOr Gerlitz struct mlx5e_encap_entry *e; 3555733d4f36SRoi Dayan unsigned short family; 3556a54e20b4SHadar Hen Zion uintptr_t hash_key; 355754c177caSOz Shlomo int err = 0; 3558a54e20b4SHadar Hen Zion 3559733d4f36SRoi Dayan parse_attr = attr->parse_attr; 35601f6da306SYevgeny Kliteynik tun_info = parse_attr->tun_info[out_index]; 3561733d4f36SRoi Dayan family = ip_tunnel_info_af(tun_info); 35627f1a546eSEli Britstein key.ip_tun_key = &tun_info->key; 3563d386939aSYevgeny Kliteynik key.tc_tunnel = mlx5e_get_tc_tun(mirred_dev); 3564d71f895cSEli Cohen if (!key.tc_tunnel) { 3565d71f895cSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Unsupported tunnel"); 3566d71f895cSEli Cohen return -EOPNOTSUPP; 3567d71f895cSEli Cohen } 3568733d4f36SRoi Dayan 35697f1a546eSEli Britstein hash_key = hash_encap_info(&key); 3570a54e20b4SHadar Hen Zion 357161086f39SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3572948993f2SVlad Buslov e = mlx5e_encap_get(priv, &key, hash_key); 3573a54e20b4SHadar Hen Zion 3574b2812089SVlad Buslov /* must verify if encap is valid or not */ 3575d589e785SVlad Buslov if (e) { 3576554fe75cSDmytro Linkin /* Check that entry was not already attached to this flow */ 3577554fe75cSDmytro Linkin if (is_duplicated_encap_entry(priv, flow, out_index, e, extack)) { 3578554fe75cSDmytro Linkin err = -EOPNOTSUPP; 3579554fe75cSDmytro Linkin goto out_err; 3580554fe75cSDmytro Linkin } 3581554fe75cSDmytro Linkin 3582d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3583d589e785SVlad Buslov wait_for_completion(&e->res_ready); 3584d589e785SVlad Buslov 3585d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3586d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 35873c140dd5SVlad Buslov if (e->compl_result < 0) { 3588d589e785SVlad Buslov err = -EREMOTEIO; 3589d589e785SVlad Buslov goto out_err; 3590d589e785SVlad Buslov } 359145247bf2SOr Gerlitz goto attach_flow; 3592d589e785SVlad Buslov } 3593a54e20b4SHadar Hen Zion 3594a54e20b4SHadar Hen Zion e = kzalloc(sizeof(*e), GFP_KERNEL); 359561086f39SVlad Buslov if (!e) { 359661086f39SVlad Buslov err = -ENOMEM; 359761086f39SVlad Buslov goto out_err; 359861086f39SVlad Buslov } 3599a54e20b4SHadar Hen Zion 3600948993f2SVlad Buslov refcount_set(&e->refcnt, 1); 3601d589e785SVlad Buslov init_completion(&e->res_ready); 3602d589e785SVlad Buslov 36032a4b6526SVlad Buslov tun_info = dup_tun_info(tun_info); 36042a4b6526SVlad Buslov if (!tun_info) { 36052a4b6526SVlad Buslov err = -ENOMEM; 36062a4b6526SVlad Buslov goto out_err_init; 36072a4b6526SVlad Buslov } 36081f6da306SYevgeny Kliteynik e->tun_info = tun_info; 3609101f4de9SOz Shlomo err = mlx5e_tc_tun_init_encap_attr(mirred_dev, priv, e, extack); 36102a4b6526SVlad Buslov if (err) 36112a4b6526SVlad Buslov goto out_err_init; 361254c177caSOz Shlomo 3613a54e20b4SHadar Hen Zion INIT_LIST_HEAD(&e->flows); 3614d589e785SVlad Buslov hash_add_rcu(esw->offloads.encap_tbl, &e->encap_hlist, hash_key); 3615d589e785SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3616a54e20b4SHadar Hen Zion 3617ce99f6b9SOr Gerlitz if (family == AF_INET) 3618101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv4(priv, mirred_dev, e); 3619ce99f6b9SOr Gerlitz else if (family == AF_INET6) 3620101f4de9SOz Shlomo err = mlx5e_tc_tun_create_header_ipv6(priv, mirred_dev, e); 3621ce99f6b9SOr Gerlitz 3622d589e785SVlad Buslov /* Protect against concurrent neigh update. */ 3623d589e785SVlad Buslov mutex_lock(&esw->offloads.encap_tbl_lock); 3624d589e785SVlad Buslov complete_all(&e->res_ready); 3625d589e785SVlad Buslov if (err) { 3626d589e785SVlad Buslov e->compl_result = err; 3627a54e20b4SHadar Hen Zion goto out_err; 3628d589e785SVlad Buslov } 36293c140dd5SVlad Buslov e->compl_result = 1; 3630a54e20b4SHadar Hen Zion 363145247bf2SOr Gerlitz attach_flow: 3632948993f2SVlad Buslov flow->encaps[out_index].e = e; 36338c4dc42bSEli Britstein list_add(&flow->encaps[out_index].list, &e->flows); 36348c4dc42bSEli Britstein flow->encaps[out_index].index = out_index; 363545247bf2SOr Gerlitz *encap_dev = e->out_dev; 36368c4dc42bSEli Britstein if (e->flags & MLX5_ENCAP_ENTRY_VALID) { 36372b688ea5SMaor Gottlieb attr->dests[out_index].pkt_reformat = e->pkt_reformat; 36388c4dc42bSEli Britstein attr->dests[out_index].flags |= MLX5_ESW_DEST_ENCAP_VALID; 36390ad060eeSRoi Dayan *encap_valid = true; 36408c4dc42bSEli Britstein } else { 36410ad060eeSRoi Dayan *encap_valid = false; 36428c4dc42bSEli Britstein } 364361086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 364445247bf2SOr Gerlitz 3645232c0013SHadar Hen Zion return err; 3646a54e20b4SHadar Hen Zion 3647a54e20b4SHadar Hen Zion out_err: 364861086f39SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 3649d589e785SVlad Buslov if (e) 3650d589e785SVlad Buslov mlx5e_encap_put(priv, e); 3651a54e20b4SHadar Hen Zion return err; 36522a4b6526SVlad Buslov 36532a4b6526SVlad Buslov out_err_init: 36542a4b6526SVlad Buslov mutex_unlock(&esw->offloads.encap_tbl_lock); 36552a4b6526SVlad Buslov kfree(tun_info); 36562a4b6526SVlad Buslov kfree(e); 36572a4b6526SVlad Buslov return err; 3658a54e20b4SHadar Hen Zion } 3659a54e20b4SHadar Hen Zion 366014e6b038SEli Cohen static int mlx5e_attach_decap(struct mlx5e_priv *priv, 366114e6b038SEli Cohen struct mlx5e_tc_flow *flow, 366214e6b038SEli Cohen struct netlink_ext_ack *extack) 366314e6b038SEli Cohen { 366414e6b038SEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 366514e6b038SEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 366614e6b038SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr; 366714e6b038SEli Cohen struct mlx5e_decap_entry *d; 366814e6b038SEli Cohen struct mlx5e_decap_key key; 366914e6b038SEli Cohen uintptr_t hash_key; 367028619046SNathan Chancellor int err = 0; 367114e6b038SEli Cohen 367214e6b038SEli Cohen parse_attr = attr->parse_attr; 367314e6b038SEli Cohen if (sizeof(parse_attr->eth) > MLX5_CAP_ESW(priv->mdev, max_encap_header_size)) { 367414e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 367514e6b038SEli Cohen "encap header larger than max supported"); 367614e6b038SEli Cohen return -EOPNOTSUPP; 367714e6b038SEli Cohen } 367814e6b038SEli Cohen 367914e6b038SEli Cohen key.key = parse_attr->eth; 368014e6b038SEli Cohen hash_key = hash_decap_info(&key); 368114e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 368214e6b038SEli Cohen d = mlx5e_decap_get(priv, &key, hash_key); 368314e6b038SEli Cohen if (d) { 368414e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 368514e6b038SEli Cohen wait_for_completion(&d->res_ready); 368614e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 368714e6b038SEli Cohen if (d->compl_result) { 368814e6b038SEli Cohen err = -EREMOTEIO; 368914e6b038SEli Cohen goto out_free; 369014e6b038SEli Cohen } 369114e6b038SEli Cohen goto found; 369214e6b038SEli Cohen } 369314e6b038SEli Cohen 369414e6b038SEli Cohen d = kzalloc(sizeof(*d), GFP_KERNEL); 369514e6b038SEli Cohen if (!d) { 369614e6b038SEli Cohen err = -ENOMEM; 369714e6b038SEli Cohen goto out_err; 369814e6b038SEli Cohen } 369914e6b038SEli Cohen 370014e6b038SEli Cohen d->key = key; 370114e6b038SEli Cohen refcount_set(&d->refcnt, 1); 370214e6b038SEli Cohen init_completion(&d->res_ready); 370314e6b038SEli Cohen INIT_LIST_HEAD(&d->flows); 370414e6b038SEli Cohen hash_add_rcu(esw->offloads.decap_tbl, &d->hlist, hash_key); 370514e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 370614e6b038SEli Cohen 370714e6b038SEli Cohen d->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev, 370814e6b038SEli Cohen MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2, 370914e6b038SEli Cohen sizeof(parse_attr->eth), 371014e6b038SEli Cohen &parse_attr->eth, 371114e6b038SEli Cohen MLX5_FLOW_NAMESPACE_FDB); 371214e6b038SEli Cohen if (IS_ERR(d->pkt_reformat)) { 371314e6b038SEli Cohen err = PTR_ERR(d->pkt_reformat); 371414e6b038SEli Cohen d->compl_result = err; 371514e6b038SEli Cohen } 371614e6b038SEli Cohen mutex_lock(&esw->offloads.decap_tbl_lock); 371714e6b038SEli Cohen complete_all(&d->res_ready); 371814e6b038SEli Cohen if (err) 371914e6b038SEli Cohen goto out_free; 372014e6b038SEli Cohen 372114e6b038SEli Cohen found: 372214e6b038SEli Cohen flow->decap_reformat = d; 372314e6b038SEli Cohen attr->decap_pkt_reformat = d->pkt_reformat; 372414e6b038SEli Cohen list_add(&flow->l3_to_l2_reformat, &d->flows); 372514e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 372614e6b038SEli Cohen return 0; 372714e6b038SEli Cohen 372814e6b038SEli Cohen out_free: 372914e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 373014e6b038SEli Cohen mlx5e_decap_put(priv, d); 373114e6b038SEli Cohen return err; 373214e6b038SEli Cohen 373314e6b038SEli Cohen out_err: 373414e6b038SEli Cohen mutex_unlock(&esw->offloads.decap_tbl_lock); 373514e6b038SEli Cohen return err; 373614e6b038SEli Cohen } 373714e6b038SEli Cohen 37381482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 373973867881SPablo Neira Ayuso const struct flow_action_entry *act, 37401482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 37411482bd3dSJianbo Liu u32 *action) 37421482bd3dSJianbo Liu { 3743cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3744cc495188SJianbo Liu 3745cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 37461482bd3dSJianbo Liu return -EOPNOTSUPP; 3747cc495188SJianbo Liu 374873867881SPablo Neira Ayuso switch (act->id) { 374973867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3750cc495188SJianbo Liu if (vlan_idx) { 3751cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3752cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3753cc495188SJianbo Liu return -EOPNOTSUPP; 3754cc495188SJianbo Liu 3755cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3756cc495188SJianbo Liu } else { 3757cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3758cc495188SJianbo Liu } 375973867881SPablo Neira Ayuso break; 376073867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 376173867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 376273867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 376373867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3764cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3765cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3766cc495188SJianbo Liu 3767cc495188SJianbo Liu if (vlan_idx) { 3768cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3769cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3770cc495188SJianbo Liu return -EOPNOTSUPP; 3771cc495188SJianbo Liu 3772cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3773cc495188SJianbo Liu } else { 3774cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 377573867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 377673867881SPablo Neira Ayuso act->vlan.prio)) 3777cc495188SJianbo Liu return -EOPNOTSUPP; 3778cc495188SJianbo Liu 3779cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 37801482bd3dSJianbo Liu } 378173867881SPablo Neira Ayuso break; 378273867881SPablo Neira Ayuso default: 3783bdc837eeSEli Britstein return -EINVAL; 37841482bd3dSJianbo Liu } 37851482bd3dSJianbo Liu 3786cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3787cc495188SJianbo Liu 37881482bd3dSJianbo Liu return 0; 37891482bd3dSJianbo Liu } 37901482bd3dSJianbo Liu 3791d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3792d34eb2fcSOr Gerlitz struct net_device *out_dev) 3793d34eb2fcSOr Gerlitz { 3794d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3795d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3796d34eb2fcSOr Gerlitz 3797d34eb2fcSOr Gerlitz rcu_read_lock(); 3798d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3799d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3800d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3801d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3802d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3803d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3804d34eb2fcSOr Gerlitz if (fdb_out_dev && 3805d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3806d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3807d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3808d34eb2fcSOr Gerlitz } 3809d34eb2fcSOr Gerlitz rcu_read_unlock(); 3810d34eb2fcSOr Gerlitz return fdb_out_dev; 3811d34eb2fcSOr Gerlitz } 3812d34eb2fcSOr Gerlitz 3813278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3814278748a9SEli Britstein struct mlx5_esw_flow_attr *attr, 3815278748a9SEli Britstein struct net_device **out_dev, 3816278748a9SEli Britstein u32 *action) 3817278748a9SEli Britstein { 3818278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3819278748a9SEli Britstein struct flow_action_entry vlan_act = { 3820278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3821278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3822278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3823278748a9SEli Britstein .vlan.prio = 0, 3824278748a9SEli Britstein }; 3825278748a9SEli Britstein int err; 3826278748a9SEli Britstein 3827278748a9SEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 3828278748a9SEli Britstein if (err) 3829278748a9SEli Britstein return err; 3830278748a9SEli Britstein 3831278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3832278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3833278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3834278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3835278748a9SEli Britstein 3836278748a9SEli Britstein return err; 3837278748a9SEli Britstein } 3838278748a9SEli Britstein 383935a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 384035a605dbSEli Britstein struct mlx5_esw_flow_attr *attr, 384135a605dbSEli Britstein u32 *action) 384235a605dbSEli Britstein { 384335a605dbSEli Britstein struct flow_action_entry vlan_act = { 384435a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 384535a605dbSEli Britstein }; 384670f478caSDmytro Linkin int nest_level, err = 0; 384735a605dbSEli Britstein 384870f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 384970f478caSDmytro Linkin priv->netdev->lower_level; 385035a605dbSEli Britstein while (nest_level--) { 385135a605dbSEli Britstein err = parse_tc_vlan_action(priv, &vlan_act, attr, action); 385235a605dbSEli Britstein if (err) 385335a605dbSEli Britstein return err; 385435a605dbSEli Britstein } 385535a605dbSEli Britstein 385635a605dbSEli Britstein return err; 385735a605dbSEli Britstein } 385835a605dbSEli Britstein 385932134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 386032134847SMaor Dickman struct net_device *peer_netdev) 386132134847SMaor Dickman { 386232134847SMaor Dickman struct mlx5e_priv *peer_priv; 386332134847SMaor Dickman 386432134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 386532134847SMaor Dickman 386632134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 386732134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 386832134847SMaor Dickman same_hw_devs(priv, peer_priv); 386932134847SMaor Dickman } 387032134847SMaor Dickman 387132134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 387232134847SMaor Dickman struct net_device *peer_netdev) 387332134847SMaor Dickman { 387432134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 387532134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 387632134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 387732134847SMaor Dickman } 387832134847SMaor Dickman 3879f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3880f6dc1264SPaul Blakey struct net_device *out_dev) 3881f6dc1264SPaul Blakey { 388232134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 388332134847SMaor Dickman return true; 388432134847SMaor Dickman 388532134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3886f6dc1264SPaul Blakey return true; 3887f6dc1264SPaul Blakey 3888f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 388932134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3890f6dc1264SPaul Blakey } 3891f6dc1264SPaul Blakey 3892554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3893554fe75cSDmytro Linkin struct net_device *out_dev, 3894554fe75cSDmytro Linkin int *ifindexes, int if_count, 3895554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3896554fe75cSDmytro Linkin { 3897554fe75cSDmytro Linkin int i; 3898554fe75cSDmytro Linkin 3899554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3900554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3901554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3902554fe75cSDmytro Linkin "can't duplicate output to same device"); 3903554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3904554fe75cSDmytro Linkin out_dev->name); 3905554fe75cSDmytro Linkin return true; 3906554fe75cSDmytro Linkin } 3907554fe75cSDmytro Linkin } 3908554fe75cSDmytro Linkin 3909554fe75cSDmytro Linkin return false; 3910554fe75cSDmytro Linkin } 3911554fe75cSDmytro Linkin 39122fbbc30dSEli Cohen static int mlx5_validate_goto_chain(struct mlx5_eswitch *esw, 39132fbbc30dSEli Cohen struct mlx5e_tc_flow *flow, 39142fbbc30dSEli Cohen const struct flow_action_entry *act, 39152fbbc30dSEli Cohen u32 actions, 39162fbbc30dSEli Cohen struct netlink_ext_ack *extack) 39172fbbc30dSEli Cohen { 39182fbbc30dSEli Cohen u32 max_chain = mlx5_esw_chains_get_chain_range(esw); 39192fbbc30dSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 39202fbbc30dSEli Cohen bool ft_flow = mlx5e_is_ft_flow(flow); 39212fbbc30dSEli Cohen u32 dest_chain = act->chain_index; 39222fbbc30dSEli Cohen 39232fbbc30dSEli Cohen if (ft_flow) { 39242fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 39252fbbc30dSEli Cohen return -EOPNOTSUPP; 39262fbbc30dSEli Cohen } 39272fbbc30dSEli Cohen 39282fbbc30dSEli Cohen if (!mlx5_esw_chains_backwards_supported(esw) && 39292fbbc30dSEli Cohen dest_chain <= attr->chain) { 39302fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 39312fbbc30dSEli Cohen "Goto lower numbered chain isn't supported"); 39322fbbc30dSEli Cohen return -EOPNOTSUPP; 39332fbbc30dSEli Cohen } 39342fbbc30dSEli Cohen if (dest_chain > max_chain) { 39352fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 39362fbbc30dSEli Cohen "Requested destination chain is out of supported range"); 39372fbbc30dSEli Cohen return -EOPNOTSUPP; 39382fbbc30dSEli Cohen } 39392fbbc30dSEli Cohen 39402fbbc30dSEli Cohen if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 39412fbbc30dSEli Cohen MLX5_FLOW_CONTEXT_ACTION_DECAP) && 39422fbbc30dSEli Cohen !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat_and_fwd_to_table)) { 39432fbbc30dSEli Cohen NL_SET_ERR_MSG_MOD(extack, 39442fbbc30dSEli Cohen "Goto chain is not allowed if action has reformat or decap"); 39452fbbc30dSEli Cohen return -EOPNOTSUPP; 39462fbbc30dSEli Cohen } 39472fbbc30dSEli Cohen 39482fbbc30dSEli Cohen return 0; 39492fbbc30dSEli Cohen } 39502fbbc30dSEli Cohen 3951613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3952613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3953613f53feSEli Cohen struct net_device *out_dev, 3954613f53feSEli Cohen struct netlink_ext_ack *extack) 3955613f53feSEli Cohen { 3956613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3957613f53feSEli Cohen struct mlx5_esw_flow_attr *attr = flow->esw_attr; 3958613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3959613f53feSEli Cohen 3960613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3961613f53feSEli Cohen * uplink ports is allowed only if 3962613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3963613f53feSEli Cohen * 3964613f53feSEli Cohen * Input vport was stored esw_attr->in_rep. 3965613f53feSEli Cohen * In LAG case, *priv* is the private data of 3966613f53feSEli Cohen * uplink which may be not the input vport. 3967613f53feSEli Cohen */ 3968613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3969613f53feSEli Cohen 3970613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3971613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3972613f53feSEli Cohen return 0; 3973613f53feSEli Cohen 3974613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3975613f53feSEli Cohen termination_table_raw_traffic)) { 3976613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3977613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3978613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3979613f53feSEli Cohen priv->netdev->name, out_dev->name); 3980613f53feSEli Cohen return -EOPNOTSUPP; 3981613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3982613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3983613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3984613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3985613f53feSEli Cohen priv->netdev->name, out_dev->name); 3986613f53feSEli Cohen return -EOPNOTSUPP; 3987613f53feSEli Cohen } 3988613f53feSEli Cohen return 0; 3989613f53feSEli Cohen } 3990613f53feSEli Cohen 399173867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 399273867881SPablo Neira Ayuso struct flow_action *flow_action, 3993e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 399414e6b038SEli Cohen struct netlink_ext_ack *extack, 399514e6b038SEli Cohen struct net_device *filter_dev) 3996a54e20b4SHadar Hen Zion { 399773867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3998bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3999ecf5bb79SOr Gerlitz struct mlx5_esw_flow_attr *attr = flow->esw_attr; 40006f9af8ffSTonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 40011d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 400273867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 4003554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 400484179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 400573867881SPablo Neira Ayuso const struct flow_action_entry *act; 40060a7fcb78SPaul Blakey bool encap = false, decap = false; 40070a7fcb78SPaul Blakey u32 action = attr->action; 4008554fe75cSDmytro Linkin int err, i, if_count = 0; 4009f828ca6aSEli Cohen bool mpls_push = false; 401003a9d11eSOr Gerlitz 401173867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 401203a9d11eSOr Gerlitz return -EINVAL; 401303a9d11eSOr Gerlitz 401453eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 401553eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 4016319a1d19SJiri Pirko return -EOPNOTSUPP; 4017319a1d19SJiri Pirko 401873867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 401973867881SPablo Neira Ayuso switch (act->id) { 402073867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 40211cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 402203a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 402373867881SPablo Neira Ayuso break; 4024f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 4025f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 4026f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 4027f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 4028f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4029f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 4030f828ca6aSEli Cohen return -EOPNOTSUPP; 4031f828ca6aSEli Cohen } 4032f828ca6aSEli Cohen mpls_push = true; 4033f828ca6aSEli Cohen break; 403414e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 403514e6b038SEli Cohen /* we only support mpls pop if it is the first action 403614e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 403714e6b038SEli Cohen * actions can be pedit and the last can be mirred 403814e6b038SEli Cohen * egress redirect. 403914e6b038SEli Cohen */ 404014e6b038SEli Cohen if (i) { 404114e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 404214e6b038SEli Cohen "mpls pop supported only as first action"); 404314e6b038SEli Cohen return -EOPNOTSUPP; 404414e6b038SEli Cohen } 404514e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) { 404614e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 404714e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 404814e6b038SEli Cohen return -EOPNOTSUPP; 404914e6b038SEli Cohen } 405014e6b038SEli Cohen 405114e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 405214e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 405314e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 405414e6b038SEli Cohen break; 405573867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 405673867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 405773867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 4058582234b4SEli Cohen parse_attr, hdrs, flow, extack); 4059d7e75a32SOr Gerlitz if (err) 4060d7e75a32SOr Gerlitz return err; 4061d7e75a32SOr Gerlitz 4062582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 40631cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 4064e85e02baSEli Britstein attr->split_count = attr->out_count; 4065582234b4SEli Cohen } 406673867881SPablo Neira Ayuso break; 406773867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 40681cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 406973867881SPablo Neira Ayuso act->csum_flags, extack)) 407073867881SPablo Neira Ayuso break; 407126c02749SOr Gerlitz 407226c02749SOr Gerlitz return -EOPNOTSUPP; 407373867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 407473867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 407503a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 4076592d3651SChris Mi struct net_device *out_dev; 407703a9d11eSOr Gerlitz 407873867881SPablo Neira Ayuso out_dev = act->dev; 4079ef381359SOz Shlomo if (!out_dev) { 4080ef381359SOz Shlomo /* out_dev is NULL when filters with 4081ef381359SOz Shlomo * non-existing mirred device are replayed to 4082ef381359SOz Shlomo * the driver. 4083ef381359SOz Shlomo */ 4084ef381359SOz Shlomo return -EINVAL; 4085ef381359SOz Shlomo } 408603a9d11eSOr Gerlitz 4087f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 4088f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4089f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 4090f828ca6aSEli Cohen return -EOPNOTSUPP; 4091f828ca6aSEli Cohen } 4092f828ca6aSEli Cohen 409384179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 409484179981SPaul Blakey /* Ignore forward to self rules generated 409584179981SPaul Blakey * by adding both mlx5 devs to the flow table 409684179981SPaul Blakey * block on a normal nft offload setup. 409784179981SPaul Blakey */ 409884179981SPaul Blakey return -EOPNOTSUPP; 409984179981SPaul Blakey } 410084179981SPaul Blakey 4101592d3651SChris Mi if (attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 4102e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4103e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 41044ccd83f4SRoi Dayan netdev_warn(priv->netdev, 41054ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 4106592d3651SChris Mi attr->out_count); 4107592d3651SChris Mi return -EOPNOTSUPP; 4108592d3651SChris Mi } 4109592d3651SChris Mi 4110f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4111f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 4112b6a4ac24SVlad Buslov if (encap) { 4113b6a4ac24SVlad Buslov parse_attr->mirred_ifindex[attr->out_count] = 4114b6a4ac24SVlad Buslov out_dev->ifindex; 4115b6a4ac24SVlad Buslov parse_attr->tun_info[attr->out_count] = dup_tun_info(info); 4116b6a4ac24SVlad Buslov if (!parse_attr->tun_info[attr->out_count]) 4117b6a4ac24SVlad Buslov return -ENOMEM; 4118b6a4ac24SVlad Buslov encap = false; 4119b6a4ac24SVlad Buslov attr->dests[attr->out_count].flags |= 4120b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 4121b6a4ac24SVlad Buslov attr->out_count++; 4122b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 4123b6a4ac24SVlad Buslov * handle encap 4124b6a4ac24SVlad Buslov */ 4125b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 41267ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 41277ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 41287ba58ba7SRabie Loulou 4129554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 4130554fe75cSDmytro Linkin out_dev, 4131554fe75cSDmytro Linkin ifindexes, 4132554fe75cSDmytro Linkin if_count, 4133554fe75cSDmytro Linkin extack)) 4134554fe75cSDmytro Linkin return -EOPNOTSUPP; 4135554fe75cSDmytro Linkin 4136554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 4137554fe75cSDmytro Linkin if_count++; 4138554fe75cSDmytro Linkin 4139d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 4140d34eb2fcSOr Gerlitz if (!out_dev) 4141d34eb2fcSOr Gerlitz return -ENODEV; 41427ba58ba7SRabie Loulou 4143278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 4144278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 4145278748a9SEli Britstein &out_dev, 4146278748a9SEli Britstein &action); 4147278748a9SEli Britstein if (err) 4148278748a9SEli Britstein return err; 4149278748a9SEli Britstein } 4150f6dc1264SPaul Blakey 415135a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 415235a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 415335a605dbSEli Britstein &action); 415435a605dbSEli Britstein if (err) 415535a605dbSEli Britstein return err; 415635a605dbSEli Britstein } 4157278748a9SEli Britstein 4158613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 4159613f53feSEli Cohen if (err) 4160613f53feSEli Cohen return err; 4161ffec9702STonghao Zhang 4162f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 4163f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 4164f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 41654ccd83f4SRoi Dayan netdev_warn(priv->netdev, 41664ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 41674ccd83f4SRoi Dayan priv->netdev->name, 41684ccd83f4SRoi Dayan out_dev->name); 4169a0646c88SEli Britstein return -EOPNOTSUPP; 4170f6dc1264SPaul Blakey } 4171a0646c88SEli Britstein 417203a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 41731d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 4174df65a573SEli Britstein attr->dests[attr->out_count].rep = rpriv->rep; 4175df65a573SEli Britstein attr->dests[attr->out_count].mdev = out_priv->mdev; 4176df65a573SEli Britstein attr->out_count++; 4177ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 4178ef381359SOz Shlomo /* All mlx5 devices are called to configure 4179ef381359SOz Shlomo * high level device filters. Therefore, the 4180ef381359SOz Shlomo * *attempt* to install a filter on invalid 4181ef381359SOz Shlomo * eswitch should not trigger an explicit error 4182ef381359SOz Shlomo */ 4183ef381359SOz Shlomo return -EINVAL; 4184a54e20b4SHadar Hen Zion } else { 4185e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4186e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 41874ccd83f4SRoi Dayan netdev_warn(priv->netdev, 41884ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 41894ccd83f4SRoi Dayan priv->netdev->name, 41904ccd83f4SRoi Dayan out_dev->name); 4191a54e20b4SHadar Hen Zion return -EINVAL; 4192a54e20b4SHadar Hen Zion } 4193a54e20b4SHadar Hen Zion } 419473867881SPablo Neira Ayuso break; 419573867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 419673867881SPablo Neira Ayuso info = act->tunnel; 4197a54e20b4SHadar Hen Zion if (info) 4198a54e20b4SHadar Hen Zion encap = true; 4199a54e20b4SHadar Hen Zion else 4200a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 420103a9d11eSOr Gerlitz 420273867881SPablo Neira Ayuso break; 420373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 420473867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 420576b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 420676b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 420776b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 420876b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 420976b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 421076b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 421176b496b1SEli Britstein act, parse_attr, hdrs, 421276b496b1SEli Britstein &action, extack); 421376b496b1SEli Britstein } else { 421473867881SPablo Neira Ayuso err = parse_tc_vlan_action(priv, act, attr, &action); 421576b496b1SEli Britstein } 42161482bd3dSJianbo Liu if (err) 42171482bd3dSJianbo Liu return err; 42181482bd3dSJianbo Liu 4219e85e02baSEli Britstein attr->split_count = attr->out_count; 422073867881SPablo Neira Ayuso break; 4221bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 4222bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 4223bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 4224bdc837eeSEli Britstein act, parse_attr, hdrs, 4225bdc837eeSEli Britstein &action, extack); 4226bdc837eeSEli Britstein if (err) 4227bdc837eeSEli Britstein return err; 4228bdc837eeSEli Britstein 4229bdc837eeSEli Britstein attr->split_count = attr->out_count; 4230bdc837eeSEli Britstein break; 423173867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 42320a7fcb78SPaul Blakey decap = true; 423373867881SPablo Neira Ayuso break; 42342fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 42352fbbc30dSEli Cohen err = mlx5_validate_goto_chain(esw, flow, act, action, 42362fbbc30dSEli Cohen extack); 42372fbbc30dSEli Cohen if (err) 42382fbbc30dSEli Cohen return err; 4239bf07aa73SPaul Blakey 4240e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 42412fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 424273867881SPablo Neira Ayuso break; 42434c3844d9SPaul Blakey case FLOW_ACTION_CT: 42444c3844d9SPaul Blakey err = mlx5_tc_ct_parse_action(priv, attr, act, extack); 42454c3844d9SPaul Blakey if (err) 42464c3844d9SPaul Blakey return err; 42474c3844d9SPaul Blakey 42484c3844d9SPaul Blakey flow_flag_set(flow, CT); 42494c3844d9SPaul Blakey break; 425073867881SPablo Neira Ayuso default: 42512cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 42522cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 425303a9d11eSOr Gerlitz } 425473867881SPablo Neira Ayuso } 4255bdd66ac0SOr Gerlitz 42560bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 42570bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 42580bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 42590bac1194SEli Britstein * tag rewrite. 42600bac1194SEli Britstein */ 42610bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 42620bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 42630bac1194SEli Britstein &action, extack); 42640bac1194SEli Britstein if (err) 42650bac1194SEli Britstein return err; 42660bac1194SEli Britstein } 42670bac1194SEli Britstein 4268c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 4269c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 427084be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 427127c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 4272c500c86bSPablo Neira Ayuso if (err) 4273c500c86bSPablo Neira Ayuso return err; 427427c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 427527c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 427627c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 427727c11b6bSEli Britstein */ 42786ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 427927c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 42806ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 428127c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 428227c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 428327c11b6bSEli Britstein attr->split_count = 0; 428427c11b6bSEli Britstein } 4285c500c86bSPablo Neira Ayuso } 4286c500c86bSPablo Neira Ayuso 42871cab1cd7SOr Gerlitz attr->action = action; 428873867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4289bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4290bdd66ac0SOr Gerlitz 4291e88afe75SOr Gerlitz if (attr->dest_chain) { 42920a7fcb78SPaul Blakey if (decap) { 42930a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 42940a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 42950a7fcb78SPaul Blakey * this tunnel id with this decap flow. 42960a7fcb78SPaul Blakey * 42970a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 42980a7fcb78SPaul Blakey * device. 42990a7fcb78SPaul Blakey */ 43000a7fcb78SPaul Blakey 43010a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 43020a7fcb78SPaul Blakey "Decap with goto isn't supported"); 43030a7fcb78SPaul Blakey netdev_warn(priv->netdev, 43040a7fcb78SPaul Blakey "Decap with goto isn't supported"); 43050a7fcb78SPaul Blakey return -EOPNOTSUPP; 43060a7fcb78SPaul Blakey } 43070a7fcb78SPaul Blakey 4308e88afe75SOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 430961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 431061644c3dSRoi Dayan "Mirroring goto chain rules isn't supported"); 4311e88afe75SOr Gerlitz return -EOPNOTSUPP; 4312e88afe75SOr Gerlitz } 4313e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 4314e88afe75SOr Gerlitz } 4315e88afe75SOr Gerlitz 4316ae2741e2SVlad Buslov if (!(attr->action & 4317ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 431861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 431961644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 4320ae2741e2SVlad Buslov return -EOPNOTSUPP; 4321ae2741e2SVlad Buslov } 4322ae2741e2SVlad Buslov 4323e85e02baSEli Britstein if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 4324e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4325e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 4326592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 4327592d3651SChris Mi return -EOPNOTSUPP; 4328592d3651SChris Mi } 4329592d3651SChris Mi 433031c8eba5SOr Gerlitz return 0; 433103a9d11eSOr Gerlitz } 433203a9d11eSOr Gerlitz 4333226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 433460bd4af8SOr Gerlitz { 4335226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 433660bd4af8SOr Gerlitz 4337226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4338226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4339226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4340226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 434160bd4af8SOr Gerlitz 4342226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4343226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4344226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4345226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 434684179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 434784179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4348d9ee0491SOr Gerlitz 434960bd4af8SOr Gerlitz *flow_flags = __flow_flags; 435060bd4af8SOr Gerlitz } 435160bd4af8SOr Gerlitz 435205866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 435305866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 435405866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 435505866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 435605866c82SOr Gerlitz .automatic_shrinking = true, 435705866c82SOr Gerlitz }; 435805866c82SOr Gerlitz 4359226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4360226f2ca3SVlad Buslov unsigned long flags) 436105866c82SOr Gerlitz { 4362655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4363655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4364655dc3d2SOr Gerlitz 4365226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4366655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4367ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4368d9ee0491SOr Gerlitz } else /* NIC offload */ 436905866c82SOr Gerlitz return &priv->fs.tc.ht; 437005866c82SOr Gerlitz } 437105866c82SOr Gerlitz 437204de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 437304de7ddaSRoi Dayan { 43741418ddd9SAviv Heller struct mlx5_esw_flow_attr *attr = flow->esw_attr; 4375b05af6aaSBodong Wang bool is_rep_ingress = attr->in_rep->vport != MLX5_VPORT_UPLINK && 4376226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 43771418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 43781418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 43791418ddd9SAviv Heller bool esw_paired = mlx5_devcom_is_paired(attr->in_mdev->priv.devcom, 43801418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 43811418ddd9SAviv Heller 438210fbb1cdSRoi Dayan if (!esw_paired) 438310fbb1cdSRoi Dayan return false; 438410fbb1cdSRoi Dayan 438510fbb1cdSRoi Dayan if ((mlx5_lag_is_sriov(attr->in_mdev) || 438610fbb1cdSRoi Dayan mlx5_lag_is_multipath(attr->in_mdev)) && 438710fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 438810fbb1cdSRoi Dayan return true; 438910fbb1cdSRoi Dayan 439010fbb1cdSRoi Dayan return false; 439104de7ddaSRoi Dayan } 439204de7ddaSRoi Dayan 4393a88780a9SRoi Dayan static int 4394a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4395226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4396a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4397a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4398e3a2b7edSAmir Vadai { 439917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 44003bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 44015a7e5bcbSVlad Buslov int out_index, err; 4402776b12b6SOr Gerlitz 440365ba8fb7SOr Gerlitz flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); 44041b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 440517091853SOr Gerlitz if (!parse_attr || !flow) { 4406e3a2b7edSAmir Vadai err = -ENOMEM; 4407e3a2b7edSAmir Vadai goto err_free; 4408e3a2b7edSAmir Vadai } 4409e3a2b7edSAmir Vadai 4410e3a2b7edSAmir Vadai flow->cookie = f->cookie; 441165ba8fb7SOr Gerlitz flow->flags = flow_flags; 4412655dc3d2SOr Gerlitz flow->priv = priv; 44135a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 44145a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 44155a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->mod_hdr); 44165a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 441714e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 44185a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 441995435ad7SVlad Buslov init_completion(&flow->init_done); 4420e3a2b7edSAmir Vadai 4421a88780a9SRoi Dayan *__flow = flow; 4422a88780a9SRoi Dayan *__parse_attr = parse_attr; 4423a88780a9SRoi Dayan 4424a88780a9SRoi Dayan return 0; 4425a88780a9SRoi Dayan 4426a88780a9SRoi Dayan err_free: 4427a88780a9SRoi Dayan kfree(flow); 4428a88780a9SRoi Dayan kvfree(parse_attr); 4429a88780a9SRoi Dayan return err; 4430adb4c123SOr Gerlitz } 4431adb4c123SOr Gerlitz 4432988ab9c7STonghao Zhang static void 4433988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(struct mlx5_esw_flow_attr *esw_attr, 4434988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4435988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4436f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4437988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4438988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4439988ab9c7STonghao Zhang { 4440988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4441988ab9c7STonghao Zhang 4442988ab9c7STonghao Zhang esw_attr->parse_attr = parse_attr; 4443988ab9c7STonghao Zhang esw_attr->chain = f->common.chain_index; 4444ef01adaeSPablo Neira Ayuso esw_attr->prio = f->common.prio; 4445988ab9c7STonghao Zhang 4446988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4447988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4448988ab9c7STonghao Zhang 4449988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4450988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4451988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4452988ab9c7STonghao Zhang else 4453988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4454988ab9c7STonghao Zhang } 4455988ab9c7STonghao Zhang 445671129676SJason Gunthorpe static struct mlx5e_tc_flow * 445704de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4458f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4459226f2ca3SVlad Buslov unsigned long flow_flags, 4460d11afc26SOz Shlomo struct net_device *filter_dev, 446104de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 446271129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4463a88780a9SRoi Dayan { 4464f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4465a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4466a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4467a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4468a88780a9SRoi Dayan int attr_size, err; 4469a88780a9SRoi Dayan 4470226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4471a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4472a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4473a88780a9SRoi Dayan &parse_attr, &flow); 4474a88780a9SRoi Dayan if (err) 4475a88780a9SRoi Dayan goto out; 4476988ab9c7STonghao Zhang 4477d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4478988ab9c7STonghao Zhang mlx5e_flow_esw_attr_init(flow->esw_attr, 4479988ab9c7STonghao Zhang priv, parse_attr, 4480988ab9c7STonghao Zhang f, in_rep, in_mdev); 4481988ab9c7STonghao Zhang 448254c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 448354c177caSOz Shlomo f, filter_dev); 4484d11afc26SOz Shlomo if (err) 4485d11afc26SOz Shlomo goto err_free; 4486a88780a9SRoi Dayan 448714e6b038SEli Cohen err = parse_tc_fdb_actions(priv, &rule->action, flow, extack, filter_dev); 4488a88780a9SRoi Dayan if (err) 4489a88780a9SRoi Dayan goto err_free; 4490a88780a9SRoi Dayan 44914c3844d9SPaul Blakey err = mlx5_tc_ct_parse_match(priv, &parse_attr->spec, f, extack); 44924c3844d9SPaul Blakey if (err) 44934c3844d9SPaul Blakey goto err_free; 44944c3844d9SPaul Blakey 44957040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 449695435ad7SVlad Buslov complete_all(&flow->init_done); 4497ef06c9eeSRoi Dayan if (err) { 4498ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4499aa0cbbaeSOr Gerlitz goto err_free; 45005c40348cSOr Gerlitz 4501b4a23329SRoi Dayan add_unready_flow(flow); 4502ef06c9eeSRoi Dayan } 4503ef06c9eeSRoi Dayan 450471129676SJason Gunthorpe return flow; 4505e3a2b7edSAmir Vadai 4506e3a2b7edSAmir Vadai err_free: 45075a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4508a88780a9SRoi Dayan out: 450971129676SJason Gunthorpe return ERR_PTR(err); 4510a88780a9SRoi Dayan } 4511a88780a9SRoi Dayan 4512f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 451395dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4514226f2ca3SVlad Buslov unsigned long flow_flags) 451504de7ddaSRoi Dayan { 451604de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 451704de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 451804de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 451904de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 452004de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 452104de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 452204de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 452304de7ddaSRoi Dayan int err = 0; 452404de7ddaSRoi Dayan 452504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 452604de7ddaSRoi Dayan if (!peer_esw) 452704de7ddaSRoi Dayan return -ENODEV; 452804de7ddaSRoi Dayan 452904de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 453004de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 453104de7ddaSRoi Dayan 453204de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 453304de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 453404de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 453504de7ddaSRoi Dayan * peer mdev. 453604de7ddaSRoi Dayan */ 4537b05af6aaSBodong Wang if (flow->esw_attr->in_rep->vport == MLX5_VPORT_UPLINK) 453804de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 453904de7ddaSRoi Dayan else 454004de7ddaSRoi Dayan in_mdev = priv->mdev; 454104de7ddaSRoi Dayan 454204de7ddaSRoi Dayan parse_attr = flow->esw_attr->parse_attr; 454395dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 454404de7ddaSRoi Dayan parse_attr->filter_dev, 454571129676SJason Gunthorpe flow->esw_attr->in_rep, in_mdev); 454671129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 454771129676SJason Gunthorpe err = PTR_ERR(peer_flow); 454804de7ddaSRoi Dayan goto out; 454971129676SJason Gunthorpe } 455004de7ddaSRoi Dayan 455104de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4552226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 455304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 455404de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 455504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 455604de7ddaSRoi Dayan 455704de7ddaSRoi Dayan out: 455804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 455904de7ddaSRoi Dayan return err; 456004de7ddaSRoi Dayan } 456104de7ddaSRoi Dayan 456204de7ddaSRoi Dayan static int 456304de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4564f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4565226f2ca3SVlad Buslov unsigned long flow_flags, 456604de7ddaSRoi Dayan struct net_device *filter_dev, 456704de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 456804de7ddaSRoi Dayan { 456904de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 457004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 457104de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 457204de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 457304de7ddaSRoi Dayan int err; 457404de7ddaSRoi Dayan 457571129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 457671129676SJason Gunthorpe in_mdev); 457771129676SJason Gunthorpe if (IS_ERR(flow)) 457871129676SJason Gunthorpe return PTR_ERR(flow); 457904de7ddaSRoi Dayan 458004de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 458195dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 458204de7ddaSRoi Dayan if (err) { 458304de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 458404de7ddaSRoi Dayan goto out; 458504de7ddaSRoi Dayan } 458604de7ddaSRoi Dayan } 458704de7ddaSRoi Dayan 458804de7ddaSRoi Dayan *__flow = flow; 458904de7ddaSRoi Dayan 459004de7ddaSRoi Dayan return 0; 459104de7ddaSRoi Dayan 459204de7ddaSRoi Dayan out: 459304de7ddaSRoi Dayan return err; 459404de7ddaSRoi Dayan } 459504de7ddaSRoi Dayan 4596a88780a9SRoi Dayan static int 4597a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4598f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4599226f2ca3SVlad Buslov unsigned long flow_flags, 4600d11afc26SOz Shlomo struct net_device *filter_dev, 4601a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4602a88780a9SRoi Dayan { 4603f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4604a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4605a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4606a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4607a88780a9SRoi Dayan int attr_size, err; 4608a88780a9SRoi Dayan 4609bf07aa73SPaul Blakey /* multi-chain not supported for NIC rules */ 4610bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4611bf07aa73SPaul Blakey return -EOPNOTSUPP; 4612bf07aa73SPaul Blakey 4613226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4614a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4615a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4616a88780a9SRoi Dayan &parse_attr, &flow); 4617a88780a9SRoi Dayan if (err) 4618a88780a9SRoi Dayan goto out; 4619a88780a9SRoi Dayan 4620d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 462154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 462254c177caSOz Shlomo f, filter_dev); 4623d11afc26SOz Shlomo if (err) 4624d11afc26SOz Shlomo goto err_free; 4625d11afc26SOz Shlomo 462673867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4627a88780a9SRoi Dayan if (err) 4628a88780a9SRoi Dayan goto err_free; 4629a88780a9SRoi Dayan 4630a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4631a88780a9SRoi Dayan if (err) 4632a88780a9SRoi Dayan goto err_free; 4633a88780a9SRoi Dayan 4634226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4635a88780a9SRoi Dayan kvfree(parse_attr); 4636a88780a9SRoi Dayan *__flow = flow; 4637a88780a9SRoi Dayan 4638a88780a9SRoi Dayan return 0; 4639a88780a9SRoi Dayan 4640a88780a9SRoi Dayan err_free: 46415a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4642a88780a9SRoi Dayan kvfree(parse_attr); 4643a88780a9SRoi Dayan out: 4644a88780a9SRoi Dayan return err; 4645a88780a9SRoi Dayan } 4646a88780a9SRoi Dayan 4647a88780a9SRoi Dayan static int 4648a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4649f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4650226f2ca3SVlad Buslov unsigned long flags, 4651d11afc26SOz Shlomo struct net_device *filter_dev, 4652a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4653a88780a9SRoi Dayan { 4654a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4655226f2ca3SVlad Buslov unsigned long flow_flags; 4656a88780a9SRoi Dayan int err; 4657a88780a9SRoi Dayan 4658a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4659a88780a9SRoi Dayan 4660bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4661bf07aa73SPaul Blakey return -EOPNOTSUPP; 4662bf07aa73SPaul Blakey 4663f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4664d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4665d11afc26SOz Shlomo filter_dev, flow); 4666a88780a9SRoi Dayan else 4667d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4668d11afc26SOz Shlomo filter_dev, flow); 4669a88780a9SRoi Dayan 4670a88780a9SRoi Dayan return err; 4671a88780a9SRoi Dayan } 4672a88780a9SRoi Dayan 4673553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4674553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4675553f9328SVu Pham { 4676553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 4677553f9328SVu Pham * sharing tc block with other slaves of a lag device. 4678553f9328SVu Pham */ 4679553f9328SVu Pham return netif_is_lag_port(dev) && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4680553f9328SVu Pham } 4681553f9328SVu Pham 468271d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4683226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4684a88780a9SRoi Dayan { 4685a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4686d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4687553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4688a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4689a88780a9SRoi Dayan int err = 0; 4690a88780a9SRoi Dayan 4691c5d326b2SVlad Buslov rcu_read_lock(); 4692c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4693c5d326b2SVlad Buslov rcu_read_unlock(); 4694a88780a9SRoi Dayan if (flow) { 4695553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4696553f9328SVu Pham * just return 0. 4697553f9328SVu Pham */ 4698553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4699553f9328SVu Pham goto out; 4700553f9328SVu Pham 4701a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4702a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4703a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4704a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4705a88780a9SRoi Dayan f->cookie); 47060e1c1a2fSVlad Buslov err = -EEXIST; 4707a88780a9SRoi Dayan goto out; 4708a88780a9SRoi Dayan } 4709a88780a9SRoi Dayan 47107a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4711d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4712a88780a9SRoi Dayan if (err) 4713a88780a9SRoi Dayan goto out; 4714a88780a9SRoi Dayan 4715553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4716553f9328SVu Pham * set the flow's owner dev. 4717553f9328SVu Pham */ 4718553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4719553f9328SVu Pham flow->orig_dev = dev; 4720553f9328SVu Pham 4721c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4722a88780a9SRoi Dayan if (err) 4723a88780a9SRoi Dayan goto err_free; 4724a88780a9SRoi Dayan 4725a88780a9SRoi Dayan return 0; 4726a88780a9SRoi Dayan 4727a88780a9SRoi Dayan err_free: 47285a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4729a88780a9SRoi Dayan out: 4730e3a2b7edSAmir Vadai return err; 4731e3a2b7edSAmir Vadai } 4732e3a2b7edSAmir Vadai 47338f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 47348f8ae895SOr Gerlitz { 4735226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4736226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 47378f8ae895SOr Gerlitz 4738226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4739226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 47408f8ae895SOr Gerlitz } 47418f8ae895SOr Gerlitz 474271d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4743226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4744e3a2b7edSAmir Vadai { 4745d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4746e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4747c5d326b2SVlad Buslov int err; 4748e3a2b7edSAmir Vadai 4749c5d326b2SVlad Buslov rcu_read_lock(); 4750ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4751c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4752c5d326b2SVlad Buslov err = -EINVAL; 4753c5d326b2SVlad Buslov goto errout; 4754c5d326b2SVlad Buslov } 4755e3a2b7edSAmir Vadai 4756c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4757c5d326b2SVlad Buslov * set. 4758c5d326b2SVlad Buslov */ 4759c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4760c5d326b2SVlad Buslov err = -EINVAL; 4761c5d326b2SVlad Buslov goto errout; 4762c5d326b2SVlad Buslov } 476305866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4764c5d326b2SVlad Buslov rcu_read_unlock(); 4765e3a2b7edSAmir Vadai 47667a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 47675a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4768e3a2b7edSAmir Vadai 4769e3a2b7edSAmir Vadai return 0; 4770c5d326b2SVlad Buslov 4771c5d326b2SVlad Buslov errout: 4772c5d326b2SVlad Buslov rcu_read_unlock(); 4773c5d326b2SVlad Buslov return err; 4774e3a2b7edSAmir Vadai } 4775e3a2b7edSAmir Vadai 477671d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4777226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4778aad7e08dSAmir Vadai { 477904de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4780d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 478104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4782aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4783aad7e08dSAmir Vadai struct mlx5_fc *counter; 4784316d5f72SRoi Dayan u64 lastuse = 0; 4785316d5f72SRoi Dayan u64 packets = 0; 4786316d5f72SRoi Dayan u64 bytes = 0; 47875a7e5bcbSVlad Buslov int err = 0; 4788aad7e08dSAmir Vadai 4789c5d326b2SVlad Buslov rcu_read_lock(); 4790c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 47915a7e5bcbSVlad Buslov tc_ht_params)); 4792c5d326b2SVlad Buslov rcu_read_unlock(); 47935a7e5bcbSVlad Buslov if (IS_ERR(flow)) 47945a7e5bcbSVlad Buslov return PTR_ERR(flow); 47955a7e5bcbSVlad Buslov 47965a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 47975a7e5bcbSVlad Buslov err = -EINVAL; 47985a7e5bcbSVlad Buslov goto errout; 47995a7e5bcbSVlad Buslov } 4800aad7e08dSAmir Vadai 48014c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4802b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4803aad7e08dSAmir Vadai if (!counter) 48045a7e5bcbSVlad Buslov goto errout; 4805aad7e08dSAmir Vadai 4806aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4807316d5f72SRoi Dayan } 4808aad7e08dSAmir Vadai 4809316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4810316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4811316d5f72SRoi Dayan */ 481204de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 481304de7ddaSRoi Dayan if (!peer_esw) 481404de7ddaSRoi Dayan goto out; 481504de7ddaSRoi Dayan 4816226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4817226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 481804de7ddaSRoi Dayan u64 bytes2; 481904de7ddaSRoi Dayan u64 packets2; 482004de7ddaSRoi Dayan u64 lastuse2; 482104de7ddaSRoi Dayan 482204de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4823316d5f72SRoi Dayan if (!counter) 4824316d5f72SRoi Dayan goto no_peer_counter; 482504de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 482604de7ddaSRoi Dayan 482704de7ddaSRoi Dayan bytes += bytes2; 482804de7ddaSRoi Dayan packets += packets2; 482904de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 483004de7ddaSRoi Dayan } 483104de7ddaSRoi Dayan 4832316d5f72SRoi Dayan no_peer_counter: 483304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 483404de7ddaSRoi Dayan out: 483593a129ebSJiri Pirko flow_stats_update(&f->stats, bytes, packets, lastuse, 483693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 48377a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 48385a7e5bcbSVlad Buslov errout: 48395a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 48405a7e5bcbSVlad Buslov return err; 4841aad7e08dSAmir Vadai } 4842aad7e08dSAmir Vadai 4843fcb64c0fSEli Cohen static int apply_police_params(struct mlx5e_priv *priv, u32 rate, 4844fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4845fcb64c0fSEli Cohen { 4846fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4847fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 4848fcb64c0fSEli Cohen u16 vport_num; 4849fcb64c0fSEli Cohen u32 rate_mbps; 4850fcb64c0fSEli Cohen int err; 4851fcb64c0fSEli Cohen 4852e401a184SEli Cohen vport_num = rpriv->rep->vport; 4853e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4854e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4855e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4856e401a184SEli Cohen return -EOPNOTSUPP; 4857e401a184SEli Cohen } 4858e401a184SEli Cohen 4859fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4860fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4861fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4862fcb64c0fSEli Cohen * mbit means million bits. 4863fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4864fcb64c0fSEli Cohen * 1 mbit/sec. 4865fcb64c0fSEli Cohen */ 4866fcb64c0fSEli Cohen rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0; 4867fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4868fcb64c0fSEli Cohen if (err) 4869fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4870fcb64c0fSEli Cohen 4871fcb64c0fSEli Cohen return err; 4872fcb64c0fSEli Cohen } 4873fcb64c0fSEli Cohen 4874fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4875fcb64c0fSEli Cohen struct flow_action *flow_action, 4876fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4877fcb64c0fSEli Cohen { 4878fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4879fcb64c0fSEli Cohen const struct flow_action_entry *act; 4880fcb64c0fSEli Cohen int err; 4881fcb64c0fSEli Cohen int i; 4882fcb64c0fSEli Cohen 4883fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4884fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4885fcb64c0fSEli Cohen return -EINVAL; 4886fcb64c0fSEli Cohen } 4887fcb64c0fSEli Cohen 4888fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4889fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4890fcb64c0fSEli Cohen return -EOPNOTSUPP; 4891fcb64c0fSEli Cohen } 4892fcb64c0fSEli Cohen 489353eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 4894319a1d19SJiri Pirko return -EOPNOTSUPP; 4895319a1d19SJiri Pirko 4896fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4897fcb64c0fSEli Cohen switch (act->id) { 4898fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 4899fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4900fcb64c0fSEli Cohen if (err) 4901fcb64c0fSEli Cohen return err; 4902fcb64c0fSEli Cohen 4903fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4904fcb64c0fSEli Cohen break; 4905fcb64c0fSEli Cohen default: 4906fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4907fcb64c0fSEli Cohen return -EOPNOTSUPP; 4908fcb64c0fSEli Cohen } 4909fcb64c0fSEli Cohen } 4910fcb64c0fSEli Cohen 4911fcb64c0fSEli Cohen return 0; 4912fcb64c0fSEli Cohen } 4913fcb64c0fSEli Cohen 4914fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4915fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4916fcb64c0fSEli Cohen { 4917b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4918fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4919fcb64c0fSEli Cohen 4920b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 4921b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 4922b5f814ccSEli Cohen return -EOPNOTSUPP; 4923b5f814ccSEli Cohen } 4924b5f814ccSEli Cohen 49257b83355fSEli Cohen if (ma->common.prio != 1) { 4926fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4927fcb64c0fSEli Cohen return -EINVAL; 4928fcb64c0fSEli Cohen } 4929fcb64c0fSEli Cohen 4930fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4931fcb64c0fSEli Cohen } 4932fcb64c0fSEli Cohen 4933fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4934fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4935fcb64c0fSEli Cohen { 4936fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4937fcb64c0fSEli Cohen 4938fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4939fcb64c0fSEli Cohen } 4940fcb64c0fSEli Cohen 4941fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4942fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4943fcb64c0fSEli Cohen { 4944fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4945fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4946fcb64c0fSEli Cohen u64 dbytes; 4947fcb64c0fSEli Cohen u64 dpkts; 4948fcb64c0fSEli Cohen 4949fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4950fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4951fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4952fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 495393a129ebSJiri Pirko flow_stats_update(&ma->stats, dpkts, dbytes, jiffies, 495493a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4955fcb64c0fSEli Cohen } 4956fcb64c0fSEli Cohen 49574d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 49584d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 49594d8fcf21SAlaa Hleihel { 49604d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4961db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4962db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 49634d8fcf21SAlaa Hleihel u16 peer_vhca_id; 49644d8fcf21SAlaa Hleihel int bkt; 49654d8fcf21SAlaa Hleihel 49664d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 49674d8fcf21SAlaa Hleihel return; 49684d8fcf21SAlaa Hleihel 49694d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 49704d8fcf21SAlaa Hleihel 4971b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4972db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4973db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4974db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4975b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4976db76ca24SVlad Buslov 4977db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4978db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4979db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4980db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4981db76ca24SVlad Buslov 4982db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4983db76ca24SVlad Buslov } 49844d8fcf21SAlaa Hleihel } 49854d8fcf21SAlaa Hleihel 49864d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 49874d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 49884d8fcf21SAlaa Hleihel { 49894d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 49904d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 49914d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 49924d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 49934d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 49944d8fcf21SAlaa Hleihel 49954d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 49964d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 49974d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 49984d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49994d8fcf21SAlaa Hleihel 50004d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 50014d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 50024d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 50034d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 50044d8fcf21SAlaa Hleihel if (priv == peer_priv || 50054d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 50064d8fcf21SAlaa Hleihel return NOTIFY_DONE; 50074d8fcf21SAlaa Hleihel 50084d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 50094d8fcf21SAlaa Hleihel 50104d8fcf21SAlaa Hleihel return NOTIFY_DONE; 50114d8fcf21SAlaa Hleihel } 50124d8fcf21SAlaa Hleihel 5013655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5014e8f887acSAmir Vadai { 5015acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 50164d8fcf21SAlaa Hleihel int err; 5017e8f887acSAmir Vadai 5018b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5019d2faae25SVlad Buslov mutex_init(&tc->mod_hdr.lock); 5020dd58edc3SVlad Buslov hash_init(tc->mod_hdr.hlist); 5021b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 50225c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 502311c9c548SOr Gerlitz 50244d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 50254d8fcf21SAlaa Hleihel if (err) 50264d8fcf21SAlaa Hleihel return err; 50274d8fcf21SAlaa Hleihel 50284d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5029d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5030d48834f9SJiri Pirko &tc->netdevice_nb, 5031d48834f9SJiri Pirko &tc->netdevice_nn); 5032d48834f9SJiri Pirko if (err) { 50334d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 50344d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 50354d8fcf21SAlaa Hleihel } 50364d8fcf21SAlaa Hleihel 50374d8fcf21SAlaa Hleihel return err; 5038e8f887acSAmir Vadai } 5039e8f887acSAmir Vadai 5040e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5041e8f887acSAmir Vadai { 5042e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5043655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5044e8f887acSAmir Vadai 5045961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5046e8f887acSAmir Vadai kfree(flow); 5047e8f887acSAmir Vadai } 5048e8f887acSAmir Vadai 5049655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5050e8f887acSAmir Vadai { 5051acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 5052e8f887acSAmir Vadai 50534d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5054d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5055d48834f9SJiri Pirko &tc->netdevice_nb, 5056d48834f9SJiri Pirko &tc->netdevice_nn); 50574d8fcf21SAlaa Hleihel 5058d2faae25SVlad Buslov mutex_destroy(&tc->mod_hdr.lock); 5059b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5060b32accdaSVlad Buslov 5061d9ee0491SOr Gerlitz rhashtable_destroy(&tc->ht); 5062e8f887acSAmir Vadai 5063acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 5064acff797cSMaor Gottlieb mlx5_destroy_flow_table(tc->t); 5065acff797cSMaor Gottlieb tc->t = NULL; 5066e8f887acSAmir Vadai } 5067b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 5068e8f887acSAmir Vadai } 5069655dc3d2SOr Gerlitz 5070655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 5071655dc3d2SOr Gerlitz { 5072d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 50730a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 50740a7fcb78SPaul Blakey struct mlx5e_rep_priv *priv; 50750a7fcb78SPaul Blakey struct mapping_ctx *mapping; 50760a7fcb78SPaul Blakey int err; 50770a7fcb78SPaul Blakey 50780a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 50790a7fcb78SPaul Blakey priv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 50800a7fcb78SPaul Blakey 50814c3844d9SPaul Blakey err = mlx5_tc_ct_init(uplink_priv); 50824c3844d9SPaul Blakey if (err) 50834c3844d9SPaul Blakey goto err_ct; 50844c3844d9SPaul Blakey 50850a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 50860a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 50870a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 50880a7fcb78SPaul Blakey err = PTR_ERR(mapping); 50890a7fcb78SPaul Blakey goto err_tun_mapping; 50900a7fcb78SPaul Blakey } 50910a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 50920a7fcb78SPaul Blakey 50930a7fcb78SPaul Blakey mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK, true); 50940a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 50950a7fcb78SPaul Blakey err = PTR_ERR(mapping); 50960a7fcb78SPaul Blakey goto err_enc_opts_mapping; 50970a7fcb78SPaul Blakey } 50980a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 50990a7fcb78SPaul Blakey 51000a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 51010a7fcb78SPaul Blakey if (err) 51020a7fcb78SPaul Blakey goto err_ht_init; 51030a7fcb78SPaul Blakey 51040a7fcb78SPaul Blakey return err; 51050a7fcb78SPaul Blakey 51060a7fcb78SPaul Blakey err_ht_init: 51070a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 51080a7fcb78SPaul Blakey err_enc_opts_mapping: 51090a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 51100a7fcb78SPaul Blakey err_tun_mapping: 51114c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 51124c3844d9SPaul Blakey err_ct: 51130a7fcb78SPaul Blakey netdev_warn(priv->netdev, 51140a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 51150a7fcb78SPaul Blakey return err; 5116655dc3d2SOr Gerlitz } 5117655dc3d2SOr Gerlitz 5118655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5119655dc3d2SOr Gerlitz { 51200a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 51210a7fcb78SPaul Blakey 5122655dc3d2SOr Gerlitz rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 51230a7fcb78SPaul Blakey 51240a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 51250a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 51260a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 51274c3844d9SPaul Blakey 51284c3844d9SPaul Blakey mlx5_tc_ct_clean(uplink_priv); 5129655dc3d2SOr Gerlitz } 513001252a27SOr Gerlitz 5131226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 513201252a27SOr Gerlitz { 5133d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 513401252a27SOr Gerlitz 513501252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 513601252a27SOr Gerlitz } 513704de7ddaSRoi Dayan 513804de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 513904de7ddaSRoi Dayan { 514004de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 514104de7ddaSRoi Dayan 514204de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 514304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 514404de7ddaSRoi Dayan } 5145b4a23329SRoi Dayan 5146b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5147b4a23329SRoi Dayan { 5148b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5149b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5150b4a23329SRoi Dayan reoffload_flows_work); 5151b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5152b4a23329SRoi Dayan 5153ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5154b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5155b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5156ad86755bSVlad Buslov unready_flow_del(flow); 5157b4a23329SRoi Dayan } 5158ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5159b4a23329SRoi Dayan } 5160e2394a61SVlad Buslov 5161e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5162e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5163e2394a61SVlad Buslov unsigned long flags) 5164e2394a61SVlad Buslov { 5165e2394a61SVlad Buslov switch (cls_flower->command) { 5166e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5167e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5168e2394a61SVlad Buslov flags); 5169e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5170e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5171e2394a61SVlad Buslov flags); 5172e2394a61SVlad Buslov case FLOW_CLS_STATS: 5173e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5174e2394a61SVlad Buslov flags); 5175e2394a61SVlad Buslov default: 5176e2394a61SVlad Buslov return -EOPNOTSUPP; 5177e2394a61SVlad Buslov } 5178e2394a61SVlad Buslov } 5179e2394a61SVlad Buslov 5180e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5181e2394a61SVlad Buslov void *cb_priv) 5182e2394a61SVlad Buslov { 5183e2394a61SVlad Buslov unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD); 5184e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5185e2394a61SVlad Buslov 5186e2394a61SVlad Buslov switch (type) { 5187e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5188e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5189e2394a61SVlad Buslov default: 5190e2394a61SVlad Buslov return -EOPNOTSUPP; 5191e2394a61SVlad Buslov } 5192e2394a61SVlad Buslov } 5193