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" 603f6d08d1SOr Gerlitz #include "fs_core.h" 612c81bfd5SHuy Nguyen #include "en/port.h" 62101f4de9SOz Shlomo #include "en/tc_tun.h" 630a7fcb78SPaul Blakey #include "en/mapping.h" 644c3844d9SPaul Blakey #include "en/tc_ct.h" 65b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 660d9f9647SVlad Buslov #include "en/tc_priv.h" 670d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 6804de7ddaSRoi Dayan #include "lib/devcom.h" 699272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 70ae430332SAriel Levkovich #include "lib/fs_chains.h" 717a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 721fe3e316SParav Pandit #include <asm/div64.h> 73e8f887acSAmir Vadai 746a064674SAriel Levkovich #define nic_chains(priv) ((priv)->fs.tc.chains) 75d65dbedfSHuy Nguyen #define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) 7617091853SOr Gerlitz 77acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 786a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 79e8f887acSAmir Vadai 808f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 818f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 828f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 838f1e0b97SPaul Blakey .moffset = 0, 848f1e0b97SPaul Blakey .mlen = 2, 858f1e0b97SPaul Blakey }, 8610742efcSVlad Buslov [VPORT_TO_REG] = { 8710742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 8810742efcSVlad Buslov .moffset = 2, 8910742efcSVlad Buslov .mlen = 2, 9010742efcSVlad Buslov }, 910a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 920a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 93d12f4521SPaul Blakey .moffset = 1, 9448d216e5SVlad Buslov .mlen = ((ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS) / 8), 950a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 960a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 970a7fcb78SPaul Blakey }, 984c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 99a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 1004c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 1014c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1024c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1034c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 104c7569097SAriel Levkovich /* For NIC rules we store the retore metadata directly 105c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 106c7569097SAriel Levkovich * jump between steering domains. 107c7569097SAriel Levkovich */ 108c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 109c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 110c7569097SAriel Levkovich .moffset = 0, 111c7569097SAriel Levkovich .mlen = 2, 112c7569097SAriel Levkovich }, 113aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1148f1e0b97SPaul Blakey }; 1158f1e0b97SPaul Blakey 1169ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1179ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1189ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1199ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1209ba33339SRoi Dayan * it's different than the ht->mutex here. 1219ba33339SRoi Dayan */ 1229ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1239ba33339SRoi Dayan 1240a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1250a7fcb78SPaul Blakey 1260a7fcb78SPaul Blakey void 1270a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1280a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1290a7fcb78SPaul Blakey u32 data, 1300a7fcb78SPaul Blakey u32 mask) 1310a7fcb78SPaul Blakey { 1320a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 1330a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 1340a7fcb78SPaul Blakey void *headers_c = spec->match_criteria; 1350a7fcb78SPaul Blakey void *headers_v = spec->match_value; 1360a7fcb78SPaul Blakey void *fmask, *fval; 1370a7fcb78SPaul Blakey 1380a7fcb78SPaul Blakey fmask = headers_c + soffset; 1390a7fcb78SPaul Blakey fval = headers_v + soffset; 1400a7fcb78SPaul Blakey 14158ff18e1SSaeed Mahameed mask = (__force u32)(cpu_to_be32(mask)) >> (32 - (match_len * 8)); 14258ff18e1SSaeed Mahameed data = (__force u32)(cpu_to_be32(data)) >> (32 - (match_len * 8)); 1430a7fcb78SPaul Blakey 1440a7fcb78SPaul Blakey memcpy(fmask, &mask, match_len); 1450a7fcb78SPaul Blakey memcpy(fval, &data, match_len); 1460a7fcb78SPaul Blakey 1470a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1480a7fcb78SPaul Blakey } 1490a7fcb78SPaul Blakey 1507e36feebSPaul Blakey void 1517e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1527e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 1537e36feebSPaul Blakey u32 *data, 1547e36feebSPaul Blakey u32 *mask) 1557e36feebSPaul Blakey { 1567e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 1577e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 1587e36feebSPaul Blakey void *headers_c = spec->match_criteria; 1597e36feebSPaul Blakey void *headers_v = spec->match_value; 1607e36feebSPaul Blakey void *fmask, *fval; 1617e36feebSPaul Blakey 1627e36feebSPaul Blakey fmask = headers_c + soffset; 1637e36feebSPaul Blakey fval = headers_v + soffset; 1647e36feebSPaul Blakey 1657e36feebSPaul Blakey memcpy(mask, fmask, match_len); 1667e36feebSPaul Blakey memcpy(data, fval, match_len); 1677e36feebSPaul Blakey 1687e36feebSPaul Blakey *mask = be32_to_cpu((__force __be32)(*mask << (32 - (match_len * 8)))); 1697e36feebSPaul Blakey *data = be32_to_cpu((__force __be32)(*data << (32 - (match_len * 8)))); 1707e36feebSPaul Blakey } 1717e36feebSPaul Blakey 1720a7fcb78SPaul Blakey int 173c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 1740a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 175aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 1760a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1770a7fcb78SPaul Blakey u32 data) 1780a7fcb78SPaul Blakey { 1790a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1800a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 1810a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 1820a7fcb78SPaul Blakey char *modact; 1830a7fcb78SPaul Blakey int err; 1840a7fcb78SPaul Blakey 185aedd133dSAriel Levkovich err = alloc_mod_hdr_actions(mdev, ns, mod_hdr_acts); 1860a7fcb78SPaul Blakey if (err) 1870a7fcb78SPaul Blakey return err; 1880a7fcb78SPaul Blakey 1890a7fcb78SPaul Blakey modact = mod_hdr_acts->actions + 1900a7fcb78SPaul Blakey (mod_hdr_acts->num_actions * MLX5_MH_ACT_SZ); 1910a7fcb78SPaul Blakey 1920a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 1930a7fcb78SPaul Blakey if (mlen == 4) 1940a7fcb78SPaul Blakey mlen = 0; 1950a7fcb78SPaul Blakey 1960a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 1970a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 1980a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset * 8); 1990a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, length, mlen * 8); 2000a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 201c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2020a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2030a7fcb78SPaul Blakey 204c7b9038dSVlad Buslov return err; 2050a7fcb78SPaul Blakey } 2060a7fcb78SPaul Blakey 207aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 208aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 209aedd133dSAriel Levkovich { 210aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 211aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 212aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 213aedd133dSAriel Levkovich 214e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 215aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 216aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 217aedd133dSAriel Levkovich 218aedd133dSAriel Levkovich return uplink_priv->ct_priv; 219aedd133dSAriel Levkovich } 220aedd133dSAriel Levkovich 221aedd133dSAriel Levkovich return priv->fs.tc.ct; 222aedd133dSAriel Levkovich } 223aedd133dSAriel Levkovich 224aedd133dSAriel Levkovich struct mlx5_flow_handle * 225aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 226aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 227aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 228aedd133dSAriel Levkovich { 229aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 230aedd133dSAriel Levkovich 231e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 232aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 233aedd133dSAriel Levkovich 234aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 235aedd133dSAriel Levkovich } 236aedd133dSAriel Levkovich 237aedd133dSAriel Levkovich void 238aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 239aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 240aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 241aedd133dSAriel Levkovich { 242aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 243aedd133dSAriel Levkovich 244e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 245aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 246aedd133dSAriel Levkovich 247aedd133dSAriel Levkovich return; 248aedd133dSAriel Levkovich } 249aedd133dSAriel Levkovich 250aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 251aedd133dSAriel Levkovich } 252aedd133dSAriel Levkovich 253c7b9038dSVlad Buslov int 254c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 255c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 256c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 257c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 258c7b9038dSVlad Buslov u32 data) 259c7b9038dSVlad Buslov { 260c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 261c7b9038dSVlad Buslov 262c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 263c7b9038dSVlad Buslov } 264c7b9038dSVlad Buslov 265c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 266c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 267c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 268c7b9038dSVlad Buslov int act_id, u32 data) 269c7b9038dSVlad Buslov { 270c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 271c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 272c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 273c7b9038dSVlad Buslov char *modact; 274c7b9038dSVlad Buslov 275c7b9038dSVlad Buslov modact = mod_hdr_acts->actions + (act_id * MLX5_MH_ACT_SZ); 276c7b9038dSVlad Buslov 277c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 278c7b9038dSVlad Buslov if (mlen == 4) 279c7b9038dSVlad Buslov mlen = 0; 280c7b9038dSVlad Buslov 281c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 282c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 283c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, offset, moffset * 8); 284c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, length, mlen * 8); 285c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 286c7b9038dSVlad Buslov } 287c7b9038dSVlad Buslov 28877ab67b7SOr Gerlitz struct mlx5e_hairpin { 28977ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 29077ab67b7SOr Gerlitz 29177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 2923f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 29377ab67b7SOr Gerlitz u32 tdn; 29477ab67b7SOr Gerlitz u32 tirn; 2953f6d08d1SOr Gerlitz 2963f6d08d1SOr Gerlitz int num_channels; 2973f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 2983f6d08d1SOr Gerlitz u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 2993f6d08d1SOr Gerlitz struct mlx5e_ttc_table ttc; 30077ab67b7SOr Gerlitz }; 30177ab67b7SOr Gerlitz 3025c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3035c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3045c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3055c65c564SOr Gerlitz 30673edca73SVlad Buslov /* protects flows list */ 30773edca73SVlad Buslov spinlock_t flows_lock; 3085c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3095c65c564SOr Gerlitz struct list_head flows; 310db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 311db76ca24SVlad Buslov * function traversed them. 312db76ca24SVlad Buslov */ 313db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3145c65c564SOr Gerlitz 315d8822868SOr Gerlitz u16 peer_vhca_id; 316106be53bSOr Gerlitz u8 prio; 3175c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 318e4f9abbdSVlad Buslov refcount_t refcnt; 319db76ca24SVlad Buslov struct completion res_ready; 3205c65c564SOr Gerlitz }; 3215c65c564SOr Gerlitz 3225a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3235a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3245a7e5bcbSVlad Buslov 3250d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3265a7e5bcbSVlad Buslov { 3275a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3285a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3295a7e5bcbSVlad Buslov return flow; 3305a7e5bcbSVlad Buslov } 3315a7e5bcbSVlad Buslov 3320d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 3335a7e5bcbSVlad Buslov { 3345a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3355a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 336c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3375a7e5bcbSVlad Buslov } 3385a7e5bcbSVlad Buslov } 3395a7e5bcbSVlad Buslov 340aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 341226f2ca3SVlad Buslov { 342226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 343226f2ca3SVlad Buslov } 344226f2ca3SVlad Buslov 34584179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 34684179981SPaul Blakey { 34784179981SPaul Blakey return flow_flag_test(flow, FT); 34884179981SPaul Blakey } 34984179981SPaul Blakey 3500d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 351226f2ca3SVlad Buslov { 352226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 353226f2ca3SVlad Buslov } 354226f2ca3SVlad Buslov 355d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 356d2faae25SVlad Buslov { 357d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 358d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 359d2faae25SVlad Buslov } 360b2fdf3d0SPaul Blakey 361b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 362b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 363b2fdf3d0SPaul Blakey { 364b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 365b2fdf3d0SPaul Blakey 366b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 367b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 368b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 369b2fdf3d0SPaul Blakey } 370b2fdf3d0SPaul Blakey 37111c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 37211c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 37311c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 37411c9c548SOr Gerlitz { 375b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 376b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 37711c9c548SOr Gerlitz 378b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 379b2fdf3d0SPaul Blakey get_flow_name_space(flow), 380b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 381b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 382b2fdf3d0SPaul Blakey return PTR_ERR(mh); 38311c9c548SOr Gerlitz 384b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 385c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 386b2fdf3d0SPaul Blakey flow->mh = mh; 38711c9c548SOr Gerlitz 38811c9c548SOr Gerlitz return 0; 38911c9c548SOr Gerlitz } 39011c9c548SOr Gerlitz 39111c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 39211c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 39311c9c548SOr Gerlitz { 3945a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 395dd58edc3SVlad Buslov if (!flow->mh) 3965a7e5bcbSVlad Buslov return; 3975a7e5bcbSVlad Buslov 398b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 399b2fdf3d0SPaul Blakey flow->mh); 400dd58edc3SVlad Buslov flow->mh = NULL; 40111c9c548SOr Gerlitz } 40211c9c548SOr Gerlitz 40377ab67b7SOr Gerlitz static 40477ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 40577ab67b7SOr Gerlitz { 40677ab67b7SOr Gerlitz struct net_device *netdev; 40777ab67b7SOr Gerlitz struct mlx5e_priv *priv; 40877ab67b7SOr Gerlitz 40977ab67b7SOr Gerlitz netdev = __dev_get_by_index(net, ifindex); 41077ab67b7SOr Gerlitz priv = netdev_priv(netdev); 41177ab67b7SOr Gerlitz return priv->mdev; 41277ab67b7SOr Gerlitz } 41377ab67b7SOr Gerlitz 41477ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 41577ab67b7SOr Gerlitz { 416e0b4b472SLeon Romanovsky u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {}; 41777ab67b7SOr Gerlitz void *tirc; 41877ab67b7SOr Gerlitz int err; 41977ab67b7SOr Gerlitz 42077ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 42177ab67b7SOr Gerlitz if (err) 42277ab67b7SOr Gerlitz goto alloc_tdn_err; 42377ab67b7SOr Gerlitz 42477ab67b7SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 42577ab67b7SOr Gerlitz 42677ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_DIRECT); 427ddae74acSOr Gerlitz MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]); 42877ab67b7SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 42977ab67b7SOr Gerlitz 430e0b4b472SLeon Romanovsky err = mlx5_core_create_tir(hp->func_mdev, in, &hp->tirn); 43177ab67b7SOr Gerlitz if (err) 43277ab67b7SOr Gerlitz goto create_tir_err; 43377ab67b7SOr Gerlitz 43477ab67b7SOr Gerlitz return 0; 43577ab67b7SOr Gerlitz 43677ab67b7SOr Gerlitz create_tir_err: 43777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 43877ab67b7SOr Gerlitz alloc_tdn_err: 43977ab67b7SOr Gerlitz return err; 44077ab67b7SOr Gerlitz } 44177ab67b7SOr Gerlitz 44277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 44377ab67b7SOr Gerlitz { 44477ab67b7SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->tirn); 44577ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 44677ab67b7SOr Gerlitz } 44777ab67b7SOr Gerlitz 4482119bda6SArnd Bergmann static int mlx5e_hairpin_fill_rqt_rqns(struct mlx5e_hairpin *hp, void *rqtc) 4493f6d08d1SOr Gerlitz { 4503f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4513f6d08d1SOr Gerlitz int i, ix, sz = MLX5E_INDIR_RQT_SIZE; 4526def6e47SSaeed Mahameed u32 *indirection_rqt, rqn; 4533f6d08d1SOr Gerlitz 4546def6e47SSaeed Mahameed indirection_rqt = kcalloc(sz, sizeof(*indirection_rqt), GFP_KERNEL); 4552119bda6SArnd Bergmann if (!indirection_rqt) 4562119bda6SArnd Bergmann return -ENOMEM; 4572119bda6SArnd Bergmann 4583f6d08d1SOr Gerlitz mlx5e_build_default_indir_rqt(indirection_rqt, sz, 4593f6d08d1SOr Gerlitz hp->num_channels); 4603f6d08d1SOr Gerlitz 4613f6d08d1SOr Gerlitz for (i = 0; i < sz; i++) { 4623f6d08d1SOr Gerlitz ix = i; 463bbeb53b8SAya Levin if (priv->rss_params.hfunc == ETH_RSS_HASH_XOR) 4643f6d08d1SOr Gerlitz ix = mlx5e_bits_invert(i, ilog2(sz)); 4653f6d08d1SOr Gerlitz ix = indirection_rqt[ix]; 4663f6d08d1SOr Gerlitz rqn = hp->pair->rqn[ix]; 4673f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rq_num[i], rqn); 4683f6d08d1SOr Gerlitz } 4692119bda6SArnd Bergmann 4702119bda6SArnd Bergmann kfree(indirection_rqt); 4712119bda6SArnd Bergmann return 0; 4723f6d08d1SOr Gerlitz } 4733f6d08d1SOr Gerlitz 4743f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 4753f6d08d1SOr Gerlitz { 4763f6d08d1SOr Gerlitz int inlen, err, sz = MLX5E_INDIR_RQT_SIZE; 4773f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 4783f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 4793f6d08d1SOr Gerlitz void *rqtc; 4803f6d08d1SOr Gerlitz u32 *in; 4813f6d08d1SOr Gerlitz 4823f6d08d1SOr Gerlitz inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 4833f6d08d1SOr Gerlitz in = kvzalloc(inlen, GFP_KERNEL); 4843f6d08d1SOr Gerlitz if (!in) 4853f6d08d1SOr Gerlitz return -ENOMEM; 4863f6d08d1SOr Gerlitz 4873f6d08d1SOr Gerlitz rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 4883f6d08d1SOr Gerlitz 4893f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 4903f6d08d1SOr Gerlitz MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 4913f6d08d1SOr Gerlitz 4922119bda6SArnd Bergmann err = mlx5e_hairpin_fill_rqt_rqns(hp, rqtc); 4932119bda6SArnd Bergmann if (err) 4942119bda6SArnd Bergmann goto out; 4953f6d08d1SOr Gerlitz 4963f6d08d1SOr Gerlitz err = mlx5_core_create_rqt(mdev, in, inlen, &hp->indir_rqt.rqtn); 4973f6d08d1SOr Gerlitz if (!err) 4983f6d08d1SOr Gerlitz hp->indir_rqt.enabled = true; 4993f6d08d1SOr Gerlitz 5002119bda6SArnd Bergmann out: 5013f6d08d1SOr Gerlitz kvfree(in); 5023f6d08d1SOr Gerlitz return err; 5033f6d08d1SOr Gerlitz } 5043f6d08d1SOr Gerlitz 5053f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5063f6d08d1SOr Gerlitz { 5073f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5083f6d08d1SOr Gerlitz u32 in[MLX5_ST_SZ_DW(create_tir_in)]; 5093f6d08d1SOr Gerlitz int tt, i, err; 5103f6d08d1SOr Gerlitz void *tirc; 5113f6d08d1SOr Gerlitz 5123f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 513d930ac79SAya Levin struct mlx5e_tirc_config ttconfig = mlx5e_tirc_get_default_config(tt); 514d930ac79SAya Levin 5153f6d08d1SOr Gerlitz memset(in, 0, MLX5_ST_SZ_BYTES(create_tir_in)); 5163f6d08d1SOr Gerlitz tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); 5173f6d08d1SOr Gerlitz 5183f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, transport_domain, hp->tdn); 5193f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); 5203f6d08d1SOr Gerlitz MLX5_SET(tirc, tirc, indirect_table, hp->indir_rqt.rqtn); 521bbeb53b8SAya Levin mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false); 522bbeb53b8SAya Levin 5233f6d08d1SOr Gerlitz err = mlx5_core_create_tir(hp->func_mdev, in, 524e0b4b472SLeon Romanovsky &hp->indir_tirn[tt]); 5253f6d08d1SOr Gerlitz if (err) { 5263f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5273f6d08d1SOr Gerlitz goto err_destroy_tirs; 5283f6d08d1SOr Gerlitz } 5293f6d08d1SOr Gerlitz } 5303f6d08d1SOr Gerlitz return 0; 5313f6d08d1SOr Gerlitz 5323f6d08d1SOr Gerlitz err_destroy_tirs: 5333f6d08d1SOr Gerlitz for (i = 0; i < tt; i++) 5343f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[i]); 5353f6d08d1SOr Gerlitz return err; 5363f6d08d1SOr Gerlitz } 5373f6d08d1SOr Gerlitz 5383f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5393f6d08d1SOr Gerlitz { 5403f6d08d1SOr Gerlitz int tt; 5413f6d08d1SOr Gerlitz 5423f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5433f6d08d1SOr Gerlitz mlx5_core_destroy_tir(hp->func_mdev, hp->indir_tirn[tt]); 5443f6d08d1SOr Gerlitz } 5453f6d08d1SOr Gerlitz 5463f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5473f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5483f6d08d1SOr Gerlitz { 5493f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5503f6d08d1SOr Gerlitz int tt; 5513f6d08d1SOr Gerlitz 5523f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 5533f6d08d1SOr Gerlitz 5543f6d08d1SOr Gerlitz ttc_params->any_tt_tirn = hp->tirn; 5553f6d08d1SOr Gerlitz 5563f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 5573f6d08d1SOr Gerlitz ttc_params->indir_tirn[tt] = hp->indir_tirn[tt]; 5583f6d08d1SOr Gerlitz 5596412bb39SEli Cohen ft_attr->max_fte = MLX5E_TTC_TABLE_SIZE; 5603f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 5613f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 5623f6d08d1SOr Gerlitz } 5633f6d08d1SOr Gerlitz 5643f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 5653f6d08d1SOr Gerlitz { 5663f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5673f6d08d1SOr Gerlitz struct ttc_params ttc_params; 5683f6d08d1SOr Gerlitz int err; 5693f6d08d1SOr Gerlitz 5703f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 5713f6d08d1SOr Gerlitz if (err) 5723f6d08d1SOr Gerlitz return err; 5733f6d08d1SOr Gerlitz 5743f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 5753f6d08d1SOr Gerlitz if (err) 5763f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 5773f6d08d1SOr Gerlitz 5783f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 5793f6d08d1SOr Gerlitz err = mlx5e_create_ttc_table(priv, &ttc_params, &hp->ttc); 5803f6d08d1SOr Gerlitz if (err) 5813f6d08d1SOr Gerlitz goto err_create_ttc_table; 5823f6d08d1SOr Gerlitz 5833f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 5843f6d08d1SOr Gerlitz hp->num_channels, hp->ttc.ft.t->id); 5853f6d08d1SOr Gerlitz 5863f6d08d1SOr Gerlitz return 0; 5873f6d08d1SOr Gerlitz 5883f6d08d1SOr Gerlitz err_create_ttc_table: 5893f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 5903f6d08d1SOr Gerlitz err_create_indirect_tirs: 5913f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 5923f6d08d1SOr Gerlitz 5933f6d08d1SOr Gerlitz return err; 5943f6d08d1SOr Gerlitz } 5953f6d08d1SOr Gerlitz 5963f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 5973f6d08d1SOr Gerlitz { 5983f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5993f6d08d1SOr Gerlitz 6003f6d08d1SOr Gerlitz mlx5e_destroy_ttc_table(priv, &hp->ttc); 6013f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6023f6d08d1SOr Gerlitz mlx5e_destroy_rqt(priv, &hp->indir_rqt); 6033f6d08d1SOr Gerlitz } 6043f6d08d1SOr Gerlitz 60577ab67b7SOr Gerlitz static struct mlx5e_hairpin * 60677ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 60777ab67b7SOr Gerlitz int peer_ifindex) 60877ab67b7SOr Gerlitz { 60977ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 61077ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 61177ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 61277ab67b7SOr Gerlitz int err; 61377ab67b7SOr Gerlitz 61477ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 61577ab67b7SOr Gerlitz if (!hp) 61677ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 61777ab67b7SOr Gerlitz 61877ab67b7SOr Gerlitz func_mdev = priv->mdev; 61977ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 62077ab67b7SOr Gerlitz 62177ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 62277ab67b7SOr Gerlitz if (IS_ERR(pair)) { 62377ab67b7SOr Gerlitz err = PTR_ERR(pair); 62477ab67b7SOr Gerlitz goto create_pair_err; 62577ab67b7SOr Gerlitz } 62677ab67b7SOr Gerlitz hp->pair = pair; 62777ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6283f6d08d1SOr Gerlitz hp->func_priv = priv; 6293f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 63077ab67b7SOr Gerlitz 63177ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 63277ab67b7SOr Gerlitz if (err) 63377ab67b7SOr Gerlitz goto create_transport_err; 63477ab67b7SOr Gerlitz 6353f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6363f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6373f6d08d1SOr Gerlitz if (err) 6383f6d08d1SOr Gerlitz goto rss_init_err; 6393f6d08d1SOr Gerlitz } 6403f6d08d1SOr Gerlitz 64177ab67b7SOr Gerlitz return hp; 64277ab67b7SOr Gerlitz 6433f6d08d1SOr Gerlitz rss_init_err: 6443f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 64577ab67b7SOr Gerlitz create_transport_err: 64677ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 64777ab67b7SOr Gerlitz create_pair_err: 64877ab67b7SOr Gerlitz kfree(hp); 64977ab67b7SOr Gerlitz return ERR_PTR(err); 65077ab67b7SOr Gerlitz } 65177ab67b7SOr Gerlitz 65277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 65377ab67b7SOr Gerlitz { 6543f6d08d1SOr Gerlitz if (hp->num_channels > 1) 6553f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 65677ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 65777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 65877ab67b7SOr Gerlitz kvfree(hp); 65977ab67b7SOr Gerlitz } 66077ab67b7SOr Gerlitz 661106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 662106be53bSOr Gerlitz { 663106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 664106be53bSOr Gerlitz } 665106be53bSOr Gerlitz 6665c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 667106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 6685c65c564SOr Gerlitz { 6695c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 670106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 6715c65c564SOr Gerlitz 6725c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 673106be53bSOr Gerlitz hairpin_hlist, hash_key) { 674e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 675e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 6765c65c564SOr Gerlitz return hpe; 6775c65c564SOr Gerlitz } 678e4f9abbdSVlad Buslov } 6795c65c564SOr Gerlitz 6805c65c564SOr Gerlitz return NULL; 6815c65c564SOr Gerlitz } 6825c65c564SOr Gerlitz 683e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 684e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 685e4f9abbdSVlad Buslov { 686e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 687b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 688e4f9abbdSVlad Buslov return; 689b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 690b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 691e4f9abbdSVlad Buslov 692db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 693e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 694e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 695e4f9abbdSVlad Buslov 696e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 697db76ca24SVlad Buslov } 698db76ca24SVlad Buslov 699db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 700e4f9abbdSVlad Buslov kfree(hpe); 701e4f9abbdSVlad Buslov } 702e4f9abbdSVlad Buslov 703106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 704106be53bSOr Gerlitz 705106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 706e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 707e98bedf5SEli Britstein struct netlink_ext_ack *extack) 708106be53bSOr Gerlitz { 709106be53bSOr Gerlitz void *headers_c, *headers_v; 710106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 711106be53bSOr Gerlitz bool vlan_present; 712106be53bSOr Gerlitz 713106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 714106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 715e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 716e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 717106be53bSOr Gerlitz return -EOPNOTSUPP; 718106be53bSOr Gerlitz } 719106be53bSOr Gerlitz #endif 720106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 721106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 722106be53bSOr Gerlitz 723106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 724106be53bSOr Gerlitz if (vlan_present) { 725106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 726106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 727106be53bSOr Gerlitz } 728106be53bSOr Gerlitz 729106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 730106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 731106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 732e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 733e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 734106be53bSOr Gerlitz return -EOPNOTSUPP; 735106be53bSOr Gerlitz } 736106be53bSOr Gerlitz 737106be53bSOr Gerlitz *match_prio = prio_val; 738106be53bSOr Gerlitz return 0; 739106be53bSOr Gerlitz } 740106be53bSOr Gerlitz 7415c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7425c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 743e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 744e98bedf5SEli Britstein struct netlink_ext_ack *extack) 7455c65c564SOr Gerlitz { 74698b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 7475c65c564SOr Gerlitz struct mlx5_hairpin_params params; 748d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 7495c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 7505c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 7513f6d08d1SOr Gerlitz u64 link_speed64; 7523f6d08d1SOr Gerlitz u32 link_speed; 753106be53bSOr Gerlitz u8 match_prio; 754d8822868SOr Gerlitz u16 peer_id; 7555c65c564SOr Gerlitz int err; 7565c65c564SOr Gerlitz 757d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 758d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 759e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 7605c65c564SOr Gerlitz return -EOPNOTSUPP; 7615c65c564SOr Gerlitz } 7625c65c564SOr Gerlitz 763d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 764e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 765e98bedf5SEli Britstein extack); 766106be53bSOr Gerlitz if (err) 767106be53bSOr Gerlitz return err; 768b32accdaSVlad Buslov 769b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 770106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 771db76ca24SVlad Buslov if (hpe) { 772db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 773db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 774db76ca24SVlad Buslov 775db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 776db76ca24SVlad Buslov err = -EREMOTEIO; 777db76ca24SVlad Buslov goto out_err; 778db76ca24SVlad Buslov } 7795c65c564SOr Gerlitz goto attach_flow; 780db76ca24SVlad Buslov } 7815c65c564SOr Gerlitz 7825c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 783b32accdaSVlad Buslov if (!hpe) { 784db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 785db76ca24SVlad Buslov return -ENOMEM; 786b32accdaSVlad Buslov } 7875c65c564SOr Gerlitz 78873edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 7895c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 790db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 791d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 792106be53bSOr Gerlitz hpe->prio = match_prio; 793e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 794db76ca24SVlad Buslov init_completion(&hpe->res_ready); 795db76ca24SVlad Buslov 796db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 797db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 798db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 7995c65c564SOr Gerlitz 8005c65c564SOr Gerlitz params.log_data_size = 15; 8015c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8025c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8035c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8045c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8055c65c564SOr Gerlitz 806eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 807eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 808eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 809eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 810eb9180f7SOr Gerlitz 811eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8123f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8132c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8143f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8153f6d08d1SOr Gerlitz link_speed64 = link_speed; 8163f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8173f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8183f6d08d1SOr Gerlitz 8195c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 820db76ca24SVlad Buslov hpe->hp = hp; 821db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8225c65c564SOr Gerlitz if (IS_ERR(hp)) { 8235c65c564SOr Gerlitz err = PTR_ERR(hp); 824db76ca24SVlad Buslov goto out_err; 8255c65c564SOr Gerlitz } 8265c65c564SOr Gerlitz 827eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 82827b942fbSParav Pandit hp->tirn, hp->pair->rqn[0], 82927b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 830eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8315c65c564SOr Gerlitz 8325c65c564SOr Gerlitz attach_flow: 8333f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 834226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 835c620b772SAriel Levkovich flow->attr->nic_attr->hairpin_ft = hpe->hp->ttc.ft.t; 8363f6d08d1SOr Gerlitz } else { 837c620b772SAriel Levkovich flow->attr->nic_attr->hairpin_tirn = hpe->hp->tirn; 8383f6d08d1SOr Gerlitz } 839b32accdaSVlad Buslov 840e4f9abbdSVlad Buslov flow->hpe = hpe; 84173edca73SVlad Buslov spin_lock(&hpe->flows_lock); 8425c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 84373edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 8443f6d08d1SOr Gerlitz 8455c65c564SOr Gerlitz return 0; 8465c65c564SOr Gerlitz 847db76ca24SVlad Buslov out_err: 848db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 8495c65c564SOr Gerlitz return err; 8505c65c564SOr Gerlitz } 8515c65c564SOr Gerlitz 8525c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 8535c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 8545c65c564SOr Gerlitz { 8555a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 856e4f9abbdSVlad Buslov if (!flow->hpe) 8575a7e5bcbSVlad Buslov return; 8585a7e5bcbSVlad Buslov 85973edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 8605c65c564SOr Gerlitz list_del(&flow->hairpin); 86173edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 86273edca73SVlad Buslov 863e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 864e4f9abbdSVlad Buslov flow->hpe = NULL; 8655c65c564SOr Gerlitz } 8665c65c564SOr Gerlitz 86708247066SAriel Levkovich struct mlx5_flow_handle * 86808247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 86908247066SAriel Levkovich struct mlx5_flow_spec *spec, 870c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 871e8f887acSAmir Vadai { 87208247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 873c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 874c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 8756a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 8765c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 87766958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 8783bc4b7bfSOr Gerlitz .action = attr->action, 879bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 88066958ed9SHadar Hen Zion }; 88108247066SAriel Levkovich struct mlx5_flow_handle *rule; 882c7569097SAriel Levkovich struct mlx5_flow_table *ft; 88308247066SAriel Levkovich int dest_ix = 0; 884e8f887acSAmir Vadai 885bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 886c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 887bb0ee7dcSJianbo Liu 888aedd133dSAriel Levkovich if (attr->dest_ft) { 889aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 890aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 891aedd133dSAriel Levkovich dest_ix++; 892aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 8933f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 894c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 89508247066SAriel Levkovich dest_ix++; 896c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 8975c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 898c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 8993f6d08d1SOr Gerlitz dest_ix++; 9003f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9015c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 902c7569097SAriel Levkovich if (attr->dest_chain) { 903c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 904c7569097SAriel Levkovich attr->dest_chain, 1, 905c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 906c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 907c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 908c7569097SAriel Levkovich } else { 9095c65c564SOr Gerlitz dest[dest_ix].ft = priv->fs.vlan.ft.t; 910c7569097SAriel Levkovich } 9115c65c564SOr Gerlitz dest_ix++; 9125c65c564SOr Gerlitz } 913aad7e08dSAmir Vadai 914c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 915c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 916c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 917c7569097SAriel Levkovich 91808247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9195c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 92008247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9215c65c564SOr Gerlitz dest_ix++; 922aad7e08dSAmir Vadai } 923aad7e08dSAmir Vadai 92408247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9252b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9262f4fe4caSOr Gerlitz 9276a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9286a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 9296a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 9306a064674SAriel Levkovich tc->t = 931c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 93221b9c144SOr Gerlitz 9336a064674SAriel Levkovich if (IS_ERR(tc->t)) { 9346a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 935e8f887acSAmir Vadai netdev_err(priv->netdev, 936e8f887acSAmir Vadai "Failed to create tc offload table\n"); 937c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 938c7569097SAriel Levkovich goto err_ft_get; 939e8f887acSAmir Vadai } 940e8f887acSAmir Vadai } 94108247066SAriel Levkovich mutex_unlock(&tc->t_lock); 942e8f887acSAmir Vadai 943aedd133dSAriel Levkovich if (attr->chain || attr->prio) 944c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 945c7569097SAriel Levkovich attr->chain, attr->prio, 946c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 947aedd133dSAriel Levkovich else 948aedd133dSAriel Levkovich ft = attr->ft; 949aedd133dSAriel Levkovich 950c7569097SAriel Levkovich if (IS_ERR(ft)) { 951c7569097SAriel Levkovich rule = ERR_CAST(ft); 952c7569097SAriel Levkovich goto err_ft_get; 953c7569097SAriel Levkovich } 954c7569097SAriel Levkovich 955c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 95608247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 95738aa51c1SOr Gerlitz 958c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 9595c65c564SOr Gerlitz &flow_act, dest, dest_ix); 96008247066SAriel Levkovich if (IS_ERR(rule)) 961c7569097SAriel Levkovich goto err_rule; 96208247066SAriel Levkovich 96308247066SAriel Levkovich return rule; 964c7569097SAriel Levkovich 965c7569097SAriel Levkovich err_rule: 966aedd133dSAriel Levkovich if (attr->chain || attr->prio) 967c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 968c7569097SAriel Levkovich attr->chain, attr->prio, 969c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 970c7569097SAriel Levkovich err_ft_get: 971c7569097SAriel Levkovich if (attr->dest_chain) 972c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 973c7569097SAriel Levkovich attr->dest_chain, 1, 974c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 975c7569097SAriel Levkovich 976c7569097SAriel Levkovich return ERR_CAST(rule); 97708247066SAriel Levkovich } 97808247066SAriel Levkovich 97908247066SAriel Levkovich static int 98008247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 98108247066SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 98208247066SAriel Levkovich struct mlx5e_tc_flow *flow, 98308247066SAriel Levkovich struct netlink_ext_ack *extack) 98408247066SAriel Levkovich { 985c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 98608247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 98708247066SAriel Levkovich struct mlx5_fc *counter = NULL; 98808247066SAriel Levkovich int err; 98908247066SAriel Levkovich 99008247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 99108247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 99208247066SAriel Levkovich if (err) 99308247066SAriel Levkovich return err; 99408247066SAriel Levkovich } 99508247066SAriel Levkovich 99608247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 99708247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 99808247066SAriel Levkovich if (IS_ERR(counter)) 99908247066SAriel Levkovich return PTR_ERR(counter); 100008247066SAriel Levkovich 100108247066SAriel Levkovich attr->counter = counter; 100208247066SAriel Levkovich } 100308247066SAriel Levkovich 100408247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 100508247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 100608247066SAriel Levkovich dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 100708247066SAriel Levkovich if (err) 100808247066SAriel Levkovich return err; 100908247066SAriel Levkovich } 101008247066SAriel Levkovich 1011aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1012aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1013aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1014aedd133dSAriel Levkovich else 101508247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 101608247066SAriel Levkovich attr); 1017e8f887acSAmir Vadai 1018a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1019e8f887acSAmir Vadai } 1020e8f887acSAmir Vadai 102108247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1022c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1023c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 102408247066SAriel Levkovich { 1025c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 1026c7569097SAriel Levkovich 102708247066SAriel Levkovich mlx5_del_flow_rules(rule); 1028c7569097SAriel Levkovich 1029aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1030c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1031c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1032c7569097SAriel Levkovich 1033c7569097SAriel Levkovich if (attr->dest_chain) 1034c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1035c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 103608247066SAriel Levkovich } 103708247066SAriel Levkovich 1038d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1039d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1040d85cdccbSOr Gerlitz { 1041c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 10426a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1043d85cdccbSOr Gerlitz 1044c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1045c7569097SAriel Levkovich 1046aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1047aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1048aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1049aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1050aedd133dSAriel Levkovich 1051c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1052c7569097SAriel Levkovich * extra steering hops. 1053c7569097SAriel Levkovich */ 1054b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 10556a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 10566a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 10576a064674SAriel Levkovich mlx5_chains_put_table(nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1058d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1059d85cdccbSOr Gerlitz } 1060b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 10612f4fe4caSOr Gerlitz 1062aedd133dSAriel Levkovich kvfree(attr->parse_attr); 1063aedd133dSAriel Levkovich 1064513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 10653099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 10665c65c564SOr Gerlitz 1067aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1068aedd133dSAriel Levkovich 1069226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 10705c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1071c620b772SAriel Levkovich 1072c620b772SAriel Levkovich kfree(flow->attr); 1073d85cdccbSOr Gerlitz } 1074d85cdccbSOr Gerlitz 10750d9f9647SVlad Buslov struct mlx5_flow_handle * 10766d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 10776d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 10786d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1079c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 10806d2a3ed0SOr Gerlitz { 10811ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 10826d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 10834c3844d9SPaul Blakey 108489e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 108589e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 108689e39467SPaul Blakey 10871ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 10881ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 10891ef3018fSPaul Blakey 109069e2916eSPaul Blakey rule = mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1091aedd133dSAriel Levkovich flow, spec, attr, 10921ef3018fSPaul Blakey mod_hdr_acts); 109369e2916eSPaul Blakey } else { 109469e2916eSPaul Blakey rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 10951ef3018fSPaul Blakey } 10966d2a3ed0SOr Gerlitz 10976d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 10986d2a3ed0SOr Gerlitz return rule; 10996d2a3ed0SOr Gerlitz 1100c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11016d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11026d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 110369e2916eSPaul Blakey if (flow_flag_test(flow, CT)) 110469e2916eSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 110569e2916eSPaul Blakey else 11066d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11076d2a3ed0SOr Gerlitz return flow->rule[1]; 11086d2a3ed0SOr Gerlitz } 11096d2a3ed0SOr Gerlitz } 11106d2a3ed0SOr Gerlitz 11116d2a3ed0SOr Gerlitz return rule; 11126d2a3ed0SOr Gerlitz } 11136d2a3ed0SOr Gerlitz 11140d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11156d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1116c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11176d2a3ed0SOr Gerlitz { 1118226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11196d2a3ed0SOr Gerlitz 112089e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 112189e39467SPaul Blakey goto offload_rule_0; 112289e39467SPaul Blakey 11234c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 1124aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 11254c3844d9SPaul Blakey return; 11264c3844d9SPaul Blakey } 11274c3844d9SPaul Blakey 1128c620b772SAriel Levkovich if (attr->esw_attr->split_count) 11296d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 11306d2a3ed0SOr Gerlitz 113189e39467SPaul Blakey offload_rule_0: 11326d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 11336d2a3ed0SOr Gerlitz } 11346d2a3ed0SOr Gerlitz 11350d9f9647SVlad Buslov struct mlx5_flow_handle * 11365dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 11375dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1138178f69b4SEli Cohen struct mlx5_flow_spec *spec) 11395dbe906fSPaul Blakey { 1140c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 11415dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 11425dbe906fSPaul Blakey 1143c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1144c620b772SAriel Levkovich if (!slow_attr) 1145c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 11465dbe906fSPaul Blakey 1147c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1148c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1149c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1150c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1151c620b772SAriel Levkovich 1152c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 11535dbe906fSPaul Blakey if (!IS_ERR(rule)) 1154226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 11555dbe906fSPaul Blakey 1156c620b772SAriel Levkovich kfree(slow_attr); 1157c620b772SAriel Levkovich 11585dbe906fSPaul Blakey return rule; 11595dbe906fSPaul Blakey } 11605dbe906fSPaul Blakey 11610d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1162178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 11635dbe906fSPaul Blakey { 1164c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1165178f69b4SEli Cohen 1166c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 11675efbe617SAriel Levkovich if (!slow_attr) { 11685efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 11695efbe617SAriel Levkovich return; 11705efbe617SAriel Levkovich } 1171c620b772SAriel Levkovich 1172c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1173c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1174c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1175c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1176c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1177226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1178c620b772SAriel Levkovich kfree(slow_attr); 11795dbe906fSPaul Blakey } 11805dbe906fSPaul Blakey 1181ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1182ad86755bSVlad Buslov * function. 1183ad86755bSVlad Buslov */ 1184ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1185ad86755bSVlad Buslov struct list_head *unready_flows) 1186ad86755bSVlad Buslov { 1187ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1188ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1189ad86755bSVlad Buslov } 1190ad86755bSVlad Buslov 1191ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1192ad86755bSVlad Buslov * function. 1193ad86755bSVlad Buslov */ 1194ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1195ad86755bSVlad Buslov { 1196ad86755bSVlad Buslov list_del(&flow->unready); 1197ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1198ad86755bSVlad Buslov } 1199ad86755bSVlad Buslov 1200b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1201b4a23329SRoi Dayan { 1202b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1203b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1204b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1205b4a23329SRoi Dayan 1206b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1207b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1208b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1209b4a23329SRoi Dayan 1210ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1211ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1212ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1213b4a23329SRoi Dayan } 1214b4a23329SRoi Dayan 1215b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1216b4a23329SRoi Dayan { 1217ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1218ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1219ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1220ad86755bSVlad Buslov 1221ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1222ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1223ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1224ad86755bSVlad Buslov 1225ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1226ad86755bSVlad Buslov unready_flow_del(flow); 1227ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1228b4a23329SRoi Dayan } 1229b4a23329SRoi Dayan 123010742efcSVlad Buslov static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv); 123110742efcSVlad Buslov 1232a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 123310742efcSVlad Buslov { 123410742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 123510742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 123610742efcSVlad Buslov 123710742efcSVlad Buslov out_priv = netdev_priv(out_dev); 123810742efcSVlad Buslov out_mdev = out_priv->mdev; 123910742efcSVlad Buslov route_priv = netdev_priv(route_dev); 124010742efcSVlad Buslov route_mdev = route_priv->mdev; 124110742efcSVlad Buslov 124210742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 124310742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 124410742efcSVlad Buslov return false; 124510742efcSVlad Buslov 124610742efcSVlad Buslov return same_hw_devs(out_priv, route_priv); 124710742efcSVlad Buslov } 124810742efcSVlad Buslov 1249a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 125010742efcSVlad Buslov { 125110742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 125210742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 125310742efcSVlad Buslov struct mlx5_eswitch *esw; 125410742efcSVlad Buslov u16 vhca_id; 125510742efcSVlad Buslov int err; 125610742efcSVlad Buslov 125710742efcSVlad Buslov out_priv = netdev_priv(out_dev); 125810742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 125910742efcSVlad Buslov route_priv = netdev_priv(route_dev); 126010742efcSVlad Buslov route_mdev = route_priv->mdev; 126110742efcSVlad Buslov 126210742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 126310742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 126410742efcSVlad Buslov return err; 126510742efcSVlad Buslov } 126610742efcSVlad Buslov 1267c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1268c7b9038dSVlad Buslov struct mlx5e_tc_flow_parse_attr *parse_attr, 1269c7b9038dSVlad Buslov struct mlx5e_tc_flow *flow) 1270c7b9038dSVlad Buslov { 1271c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &parse_attr->mod_hdr_acts; 1272c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1273c7b9038dSVlad Buslov 1274c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1275c7b9038dSVlad Buslov get_flow_name_space(flow), 1276c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1277c7b9038dSVlad Buslov mod_hdr_acts->actions); 1278c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1279c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1280c7b9038dSVlad Buslov 1281c7b9038dSVlad Buslov WARN_ON(flow->attr->modify_hdr); 1282c7b9038dSVlad Buslov flow->attr->modify_hdr = mod_hdr; 1283c7b9038dSVlad Buslov 1284c7b9038dSVlad Buslov return 0; 1285c7b9038dSVlad Buslov } 1286c7b9038dSVlad Buslov 1287c83954abSRabie Loulou static int 128874491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1289e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1290e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1291adb4c123SOr Gerlitz { 1292adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 12933c37745eSOr Gerlitz struct net_device *out_dev, *encap_dev = NULL; 1294c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1295c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 12968914add2SVlad Buslov bool vf_tun = false, encap_valid = true; 1297c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 1298b8aee822SMark Bloch struct mlx5_fc *counter = NULL; 12993c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13003c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 130139ac237cSPaul Blakey u32 max_prio, max_chain; 13020ad060eeSRoi Dayan int err = 0; 1303f493f155SEli Britstein int out_index; 13048b32580dSOr Gerlitz 130584179981SPaul Blakey /* We check chain range only for tc flows. 130684179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 130784179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 130884179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 130984179981SPaul Blakey */ 1310ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 131184179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 131261644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 131361644c3dSRoi Dayan "Requested chain is out of supported range"); 13148914add2SVlad Buslov err = -EOPNOTSUPP; 13158914add2SVlad Buslov goto err_out; 1316bf07aa73SPaul Blakey } 1317bf07aa73SPaul Blakey 1318ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1319bf07aa73SPaul Blakey if (attr->prio > max_prio) { 132061644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 132161644c3dSRoi Dayan "Requested priority is out of supported range"); 13228914add2SVlad Buslov err = -EOPNOTSUPP; 13238914add2SVlad Buslov goto err_out; 1324bf07aa73SPaul Blakey } 1325bf07aa73SPaul Blakey 1326777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1327777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1328777bb800SVlad Buslov if (err) 13298914add2SVlad Buslov goto err_out; 1330777bb800SVlad Buslov } 1331777bb800SVlad Buslov 133214e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 133314e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 133414e6b038SEli Cohen if (err) 13358914add2SVlad Buslov goto err_out; 133614e6b038SEli Cohen } 133714e6b038SEli Cohen 1338c620b772SAriel Levkovich parse_attr = attr->parse_attr; 1339c620b772SAriel Levkovich esw_attr = attr->esw_attr; 1340c620b772SAriel Levkovich 1341f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 13428c4dc42bSEli Britstein int mirred_ifindex; 13438c4dc42bSEli Britstein 1344c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1345f493f155SEli Britstein continue; 1346f493f155SEli Britstein 13477040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 13483c37745eSOr Gerlitz out_dev = __dev_get_by_index(dev_net(priv->netdev), 13498c4dc42bSEli Britstein mirred_ifindex); 1350733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 13510ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 13520ad060eeSRoi Dayan if (err) 13538914add2SVlad Buslov goto err_out; 13540ad060eeSRoi Dayan 13558914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 13568914add2SVlad Buslov MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) 13578914add2SVlad Buslov vf_tun = true; 13583c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 13593c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1360c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1361c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 13623c37745eSOr Gerlitz } 13633c37745eSOr Gerlitz 13648b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1365c83954abSRabie Loulou if (err) 13668914add2SVlad Buslov goto err_out; 1367adb4c123SOr Gerlitz 1368d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1369d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 13708914add2SVlad Buslov if (vf_tun) { 13718914add2SVlad Buslov err = mlx5e_tc_add_flow_mod_hdr(priv, parse_attr, flow); 13728914add2SVlad Buslov if (err) 13738914add2SVlad Buslov goto err_out; 13748914add2SVlad Buslov } else { 13751a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1376c83954abSRabie Loulou if (err) 13778914add2SVlad Buslov goto err_out; 13788914add2SVlad Buslov } 1379d7e75a32SOr Gerlitz } 1380d7e75a32SOr Gerlitz 1381b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1382c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 13838914add2SVlad Buslov if (IS_ERR(counter)) { 13848914add2SVlad Buslov err = PTR_ERR(counter); 13858914add2SVlad Buslov goto err_out; 13868914add2SVlad Buslov } 1387b8aee822SMark Bloch 1388b8aee822SMark Bloch attr->counter = counter; 1389b8aee822SMark Bloch } 1390b8aee822SMark Bloch 13910ad060eeSRoi Dayan /* we get here if one of the following takes place: 13920ad060eeSRoi Dayan * (1) there's no error 13930ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 13943c37745eSOr Gerlitz */ 1395bc1d75faSRoi Dayan if (!encap_valid) 1396178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1397bc1d75faSRoi Dayan else 13986d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 13995dbe906fSPaul Blakey 14008914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 14018914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 14028914add2SVlad Buslov goto err_out; 14038914add2SVlad Buslov } 1404226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1405c83954abSRabie Loulou 14065dbe906fSPaul Blakey return 0; 14078914add2SVlad Buslov 14088914add2SVlad Buslov err_out: 14098914add2SVlad Buslov flow_flag_set(flow, FAILED); 14108914add2SVlad Buslov return err; 1411aa0cbbaeSOr Gerlitz } 1412d85cdccbSOr Gerlitz 14139272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 14149272e3dfSYevgeny Kliteynik { 1415c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 14169272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 14179272e3dfSYevgeny Kliteynik spec->match_value, 14189272e3dfSYevgeny Kliteynik misc_parameters_3); 14199272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 14209272e3dfSYevgeny Kliteynik headers_v, 14219272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 14229272e3dfSYevgeny Kliteynik 14239272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 14249272e3dfSYevgeny Kliteynik } 14259272e3dfSYevgeny Kliteynik 1426d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1427d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1428d85cdccbSOr Gerlitz { 1429d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1430c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1431777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 14328914add2SVlad Buslov bool vf_tun = false; 1433f493f155SEli Britstein int out_index; 1434d85cdccbSOr Gerlitz 1435777bb800SVlad Buslov esw_attr = attr->esw_attr; 14360a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 14370a7fcb78SPaul Blakey 143812a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1439b4a23329SRoi Dayan remove_unready_flow(flow); 1440ef06c9eeSRoi Dayan 1441226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1442226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1443178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 14445dbe906fSPaul Blakey else 14455dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 14465dbe906fSPaul Blakey } 1447d85cdccbSOr Gerlitz 14489272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 14499272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 14509272e3dfSYevgeny Kliteynik 1451513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1452d85cdccbSOr Gerlitz 1453777bb800SVlad Buslov if (flow->decap_route) 1454777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1455777bb800SVlad Buslov 1456777bb800SVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 14578914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 14588914add2SVlad Buslov MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE) 14598914add2SVlad Buslov vf_tun = true; 1460777bb800SVlad Buslov if (esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 14618c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 14622a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 14632a4b6526SVlad Buslov } 1464777bb800SVlad Buslov } 1465d7e75a32SOr Gerlitz 1466aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 14674c8594adSRoi Dayan 1468c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 1469c7b9038dSVlad Buslov dealloc_mod_hdr_actions(&attr->parse_attr->mod_hdr_acts); 14708914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 14718914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 14728914add2SVlad Buslov else 14731a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1474c7b9038dSVlad Buslov } 14758914add2SVlad Buslov kvfree(attr->parse_attr); 14768914add2SVlad Buslov kvfree(attr->esw_attr->rx_tun_attr); 1477b8aee822SMark Bloch 1478b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1479777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 148014e6b038SEli Cohen 148114e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 148214e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1483c620b772SAriel Levkovich 1484c620b772SAriel Levkovich kfree(flow->attr); 1485d85cdccbSOr Gerlitz } 1486d85cdccbSOr Gerlitz 14870d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1488b8aee822SMark Bloch { 1489c620b772SAriel Levkovich return flow->attr->counter; 1490b8aee822SMark Bloch } 1491b8aee822SMark Bloch 14926a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1493021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 14946a06c2f7SVlad Buslov { 14956a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 14966a06c2f7SVlad Buslov 14976a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 14986a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 14996a06c2f7SVlad Buslov } 15006a06c2f7SVlad Buslov 150104de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 150204de7ddaSRoi Dayan { 150304de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 150404de7ddaSRoi Dayan 1505226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1506226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 150704de7ddaSRoi Dayan return; 150804de7ddaSRoi Dayan 150904de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 151004de7ddaSRoi Dayan list_del(&flow->peer); 151104de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 151204de7ddaSRoi Dayan 1513226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 151404de7ddaSRoi Dayan 1515eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 151604de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1517a23dae79SRoi Dayan kfree(flow->peer_flow); 1518eb252c3aSRoi Dayan } 1519eb252c3aSRoi Dayan 152004de7ddaSRoi Dayan flow->peer_flow = NULL; 152104de7ddaSRoi Dayan } 152204de7ddaSRoi Dayan 152304de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 152404de7ddaSRoi Dayan { 152504de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 152604de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 152704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 152804de7ddaSRoi Dayan 152904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 153004de7ddaSRoi Dayan if (!peer_esw) 153104de7ddaSRoi Dayan return; 153204de7ddaSRoi Dayan 153304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 153404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 153504de7ddaSRoi Dayan } 153604de7ddaSRoi Dayan 1537e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1538961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1539e8f887acSAmir Vadai { 1540226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 154104de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1542d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 154304de7ddaSRoi Dayan } else { 1544d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1545e8f887acSAmir Vadai } 154604de7ddaSRoi Dayan } 1547e8f887acSAmir Vadai 15480a7fcb78SPaul Blakey static int flow_has_tc_fwd_action(struct flow_cls_offload *f) 1549bbd00f7eSHadar Hen Zion { 1550f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 15510a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 15520a7fcb78SPaul Blakey const struct flow_action_entry *act; 15530a7fcb78SPaul Blakey int i; 1554bbd00f7eSHadar Hen Zion 15550a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 15560a7fcb78SPaul Blakey switch (act->id) { 15570a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 15580a7fcb78SPaul Blakey return true; 15590a7fcb78SPaul Blakey default: 15600a7fcb78SPaul Blakey continue; 1561fe1587a7SDmytro Linkin } 15622e72eb43SOr Gerlitz } 1563bbd00f7eSHadar Hen Zion 15640a7fcb78SPaul Blakey return false; 15650a7fcb78SPaul Blakey } 1566bcef735cSOr Gerlitz 15670a7fcb78SPaul Blakey static int 15680a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 15690a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 15700a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 15710a7fcb78SPaul Blakey bool *dont_care) 15720a7fcb78SPaul Blakey { 15730a7fcb78SPaul Blakey struct geneve_opt *opt; 15740a7fcb78SPaul Blakey int off = 0; 1575bcef735cSOr Gerlitz 15760a7fcb78SPaul Blakey *dont_care = true; 1577bcef735cSOr Gerlitz 15780a7fcb78SPaul Blakey while (opts->len > off) { 15790a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1580e98bedf5SEli Britstein 15810a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 15820a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 15830a7fcb78SPaul Blakey *dont_care = false; 15840a7fcb78SPaul Blakey 1585c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1586d7a42ad0SRoi Dayan opt->type != U8_MAX) { 15870a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 15880a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 15890a7fcb78SPaul Blakey netdev_warn(priv->netdev, 15900a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1591e98bedf5SEli Britstein return -EOPNOTSUPP; 1592e98bedf5SEli Britstein } 1593bcef735cSOr Gerlitz } 1594bcef735cSOr Gerlitz 15950a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1596bbd00f7eSHadar Hen Zion } 1597bbd00f7eSHadar Hen Zion 1598bbd00f7eSHadar Hen Zion return 0; 1599bbd00f7eSHadar Hen Zion } 1600bbd00f7eSHadar Hen Zion 16010a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 16020a7fcb78SPaul Blakey ({ \ 16030a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 16040a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 16050a7fcb78SPaul Blakey \ 16060a7fcb78SPaul Blakey memcpy(__dst,\ 16070a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 16080a7fcb78SPaul Blakey diss_key,\ 16090a7fcb78SPaul Blakey __rule->match.key),\ 16100a7fcb78SPaul Blakey sizeof(*__dst));\ 16110a7fcb78SPaul Blakey }) 16120a7fcb78SPaul Blakey 16130a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 16140a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 16150a7fcb78SPaul Blakey struct flow_cls_offload *f, 16160a7fcb78SPaul Blakey struct net_device *filter_dev) 16178377629eSEli Britstein { 16180a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 16190a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 16200a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 16210a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1622d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 16230a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1624c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 16250a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 16260a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 16270a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 16280a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 16290a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 16300a7fcb78SPaul Blakey u32 value, mask; 16310a7fcb78SPaul Blakey int err; 16320a7fcb78SPaul Blakey 16330a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 16340a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 16350a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 16360a7fcb78SPaul Blakey 16370a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 16380a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 16390a7fcb78SPaul Blakey &tunnel_key.enc_control); 16400a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 16410a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 16420a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 16430a7fcb78SPaul Blakey else 16440a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 16450a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 16460a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 16470a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 16480a7fcb78SPaul Blakey &tunnel_key.enc_tp); 16490a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 16500a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 16510a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 16520a7fcb78SPaul Blakey 16530a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 16540a7fcb78SPaul Blakey if (err) 16550a7fcb78SPaul Blakey return err; 16560a7fcb78SPaul Blakey 16570a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 16580a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 16590a7fcb78SPaul Blakey enc_opts_match.mask, 16600a7fcb78SPaul Blakey extack, 16610a7fcb78SPaul Blakey &enc_opts_is_dont_care); 16620a7fcb78SPaul Blakey if (err) 16630a7fcb78SPaul Blakey goto err_enc_opts; 16640a7fcb78SPaul Blakey 16650a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1666d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1667d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1668d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1669d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1670d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1671d7a42ad0SRoi Dayan 16720a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1673d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 16740a7fcb78SPaul Blakey if (err) 16750a7fcb78SPaul Blakey goto err_enc_opts; 16760a7fcb78SPaul Blakey } 16770a7fcb78SPaul Blakey 16780a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 16790a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 16800a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 16810a7fcb78SPaul Blakey 16820a7fcb78SPaul Blakey if (attr->chain) { 16830a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 16840a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 16850a7fcb78SPaul Blakey } else { 16860a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 16870a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1688aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 16890a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 16900a7fcb78SPaul Blakey if (err) 16910a7fcb78SPaul Blakey goto err_set; 16920a7fcb78SPaul Blakey 16930a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 16940a7fcb78SPaul Blakey } 16950a7fcb78SPaul Blakey 16960a7fcb78SPaul Blakey flow->tunnel_id = value; 16970a7fcb78SPaul Blakey return 0; 16980a7fcb78SPaul Blakey 16990a7fcb78SPaul Blakey err_set: 17000a7fcb78SPaul Blakey if (enc_opts_id) 17010a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 17020a7fcb78SPaul Blakey enc_opts_id); 17030a7fcb78SPaul Blakey err_enc_opts: 17040a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 17050a7fcb78SPaul Blakey return err; 17060a7fcb78SPaul Blakey } 17070a7fcb78SPaul Blakey 17080a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 17090a7fcb78SPaul Blakey { 17100a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 17110a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 17120a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 17130a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 17140a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 17150a7fcb78SPaul Blakey 17160a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 17170a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 17180a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 17190a7fcb78SPaul Blakey 17200a7fcb78SPaul Blakey if (tun_id) 17210a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 17220a7fcb78SPaul Blakey if (enc_opts_id) 17230a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 17240a7fcb78SPaul Blakey enc_opts_id); 17250a7fcb78SPaul Blakey } 17260a7fcb78SPaul Blakey 17274c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 17284c3844d9SPaul Blakey { 17294c3844d9SPaul Blakey return flow->tunnel_id; 17304c3844d9SPaul Blakey } 17314c3844d9SPaul Blakey 1732fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1733fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1734fca53304SEli Britstein void *headers_c, void *headers_v) 17354a5d5d73SEli Britstein { 1736fca53304SEli Britstein bool ip_version_cap; 1737fca53304SEli Britstein 1738fca53304SEli Britstein ip_version_cap = outer ? 1739fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1740fca53304SEli Britstein ft_field_support.outer_ip_version) : 1741fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1742fca53304SEli Britstein ft_field_support.inner_ip_version); 1743fca53304SEli Britstein 1744fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1745fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1746fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1747fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1748fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1749fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1750fca53304SEli Britstein } else { 17514a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 17524a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 17534a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 17544a5d5d73SEli Britstein ntohs(match->key->n_proto)); 17554a5d5d73SEli Britstein } 1756fca53304SEli Britstein } 17574a5d5d73SEli Britstein 17580d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 1759a508728aSVlad Buslov { 1760a508728aSVlad Buslov void *headers_v; 1761a508728aSVlad Buslov u16 ethertype; 1762a508728aSVlad Buslov u8 ip_version; 1763a508728aSVlad Buslov 1764a508728aSVlad Buslov if (outer) 1765a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1766a508728aSVlad Buslov else 1767a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 1768a508728aSVlad Buslov 1769a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 1770a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 1771a508728aSVlad Buslov if (!ip_version) { 1772a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1773a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 1774a508728aSVlad Buslov ip_version = 4; 1775a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 1776a508728aSVlad Buslov ip_version = 6; 1777a508728aSVlad Buslov } 1778a508728aSVlad Buslov return ip_version; 1779a508728aSVlad Buslov } 1780a508728aSVlad Buslov 17810a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 17820a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 17830a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 17840a7fcb78SPaul Blakey struct flow_cls_offload *f, 17850a7fcb78SPaul Blakey struct net_device *filter_dev, 17860a7fcb78SPaul Blakey u8 *match_level, 17870a7fcb78SPaul Blakey bool *match_inner) 17880a7fcb78SPaul Blakey { 1789a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 17900a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 17910a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 17920a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 17930a7fcb78SPaul Blakey int err; 17940a7fcb78SPaul Blakey 17950a7fcb78SPaul Blakey if (!mlx5e_is_eswitch_flow(flow)) 17960a7fcb78SPaul Blakey return -EOPNOTSUPP; 17970a7fcb78SPaul Blakey 1798c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 1799c620b772SAriel Levkovich sets_mapping = !flow->attr->chain && flow_has_tc_fwd_action(f); 18000a7fcb78SPaul Blakey *match_inner = !needs_mapping; 18010a7fcb78SPaul Blakey 18020a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1803636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 18040a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 1805636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 18060a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1807636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 18080a7fcb78SPaul Blakey return -EOPNOTSUPP; 18090a7fcb78SPaul Blakey } 18100a7fcb78SPaul Blakey 1811c620b772SAriel Levkovich if (!flow->attr->chain) { 18120a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 18130a7fcb78SPaul Blakey match_level); 18140a7fcb78SPaul Blakey if (err) { 18150a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 18160a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 18170a7fcb78SPaul Blakey netdev_warn(priv->netdev, 18180a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 18190a7fcb78SPaul Blakey return err; 18200a7fcb78SPaul Blakey } 18210a7fcb78SPaul Blakey 182214e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 182314e6b038SEli Cohen * object 182414e6b038SEli Cohen */ 182514e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 1826c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 1827a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 1828a508728aSVlad Buslov if (err) 1829a508728aSVlad Buslov return err; 1830a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 1831a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 1832a508728aSVlad Buslov 1833a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 1834a508728aSVlad Buslov if (!tmp_spec) { 1835a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 1836a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 1837a508728aSVlad Buslov return -ENOMEM; 1838a508728aSVlad Buslov } 1839a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 1840a508728aSVlad Buslov 1841a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 1842a508728aSVlad Buslov if (err) { 1843a508728aSVlad Buslov kvfree(tmp_spec); 1844a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 1845a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 1846a508728aSVlad Buslov return err; 1847a508728aSVlad Buslov } 1848a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 1849a508728aSVlad Buslov kvfree(tmp_spec); 1850a508728aSVlad Buslov if (err) 1851a508728aSVlad Buslov return err; 18520a7fcb78SPaul Blakey } 18530a7fcb78SPaul Blakey 18540a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 18550a7fcb78SPaul Blakey return 0; 18560a7fcb78SPaul Blakey 18570a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 18580a7fcb78SPaul Blakey } 18590a7fcb78SPaul Blakey 18600a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 18610a7fcb78SPaul Blakey { 18620a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 18630a7fcb78SPaul Blakey inner_headers); 18640a7fcb78SPaul Blakey } 18650a7fcb78SPaul Blakey 18660a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 18670a7fcb78SPaul Blakey { 18680a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 18690a7fcb78SPaul Blakey inner_headers); 18700a7fcb78SPaul Blakey } 18710a7fcb78SPaul Blakey 18720a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 18730a7fcb78SPaul Blakey { 18740a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 18750a7fcb78SPaul Blakey outer_headers); 18760a7fcb78SPaul Blakey } 18770a7fcb78SPaul Blakey 18780a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 18790a7fcb78SPaul Blakey { 18800a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 18818377629eSEli Britstein outer_headers); 18828377629eSEli Britstein } 18838377629eSEli Britstein 18848377629eSEli Britstein static void *get_match_headers_value(u32 flags, 18858377629eSEli Britstein struct mlx5_flow_spec *spec) 18868377629eSEli Britstein { 18878377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 18880a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 18890a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 18900a7fcb78SPaul Blakey } 18910a7fcb78SPaul Blakey 18920a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 18930a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 18940a7fcb78SPaul Blakey { 18950a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 18960a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 18970a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 18988377629eSEli Britstein } 18998377629eSEli Britstein 19006d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 19016d65bc64Swenxu struct flow_cls_offload *f) 19026d65bc64Swenxu { 19036d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 19046d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 19056d65bc64Swenxu struct net_device *ingress_dev; 19066d65bc64Swenxu struct flow_match_meta match; 19076d65bc64Swenxu 19086d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 19096d65bc64Swenxu return 0; 19106d65bc64Swenxu 19116d65bc64Swenxu flow_rule_match_meta(rule, &match); 19126d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 19136d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 1914a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 19156d65bc64Swenxu } 19166d65bc64Swenxu 19176d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 19186d65bc64Swenxu match.key->ingress_ifindex); 19196d65bc64Swenxu if (!ingress_dev) { 19206d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 19216d65bc64Swenxu "Can't find the ingress port to match on"); 1922a683012aSPablo Neira Ayuso return -ENOENT; 19236d65bc64Swenxu } 19246d65bc64Swenxu 19256d65bc64Swenxu if (ingress_dev != filter_dev) { 19266d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 19276d65bc64Swenxu "Can't match on the ingress filter port"); 1928a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 19296d65bc64Swenxu } 19306d65bc64Swenxu 19316d65bc64Swenxu return 0; 19326d65bc64Swenxu } 19336d65bc64Swenxu 193472046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 193572046a91SEli Cohen struct flow_cls_offload *f) 193672046a91SEli Cohen { 193772046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 193872046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 193972046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 194072046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 194172046a91SEli Cohen */ 194272046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 194372046a91SEli Cohen return true; 194472046a91SEli Cohen 194572046a91SEli Cohen return false; 194672046a91SEli Cohen } 194772046a91SEli Cohen 1948de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 19490a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 1950de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 1951f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 195254c177caSOz Shlomo struct net_device *filter_dev, 195393b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 1954e3a2b7edSAmir Vadai { 1955e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 1956c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1957c5bb1730SMaor Gottlieb outer_headers); 1958c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1959c5bb1730SMaor Gottlieb outer_headers); 1960699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1961699e96ddSJianbo Liu misc_parameters); 1962699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1963699e96ddSJianbo Liu misc_parameters); 1964a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 1965a3222a2dSMaor Dickman misc_parameters_3); 1966a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 1967a3222a2dSMaor Dickman misc_parameters_3); 1968f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 19698f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 1970e3a2b7edSAmir Vadai u16 addr_type = 0; 1971e3a2b7edSAmir Vadai u8 ip_proto = 0; 197293b3586eSHuy Nguyen u8 *match_level; 19736d65bc64Swenxu int err; 1974e3a2b7edSAmir Vadai 197593b3586eSHuy Nguyen match_level = outer_match_level; 1976de0af0bfSRoi Dayan 19778f256622SPablo Neira Ayuso if (dissector->used_keys & 19783d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 19793d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 1980e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 1981e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 1982095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 1983699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 1984e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 1985e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 1986bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 1987bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 1988bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 1989bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 1990bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 1991e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 1992fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 1993bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 19944c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 19959272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 199672046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 1997a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 199872046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 1999e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 200048470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 20018f256622SPablo Neira Ayuso dissector->used_keys); 2002e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2003e3a2b7edSAmir Vadai } 2004e3a2b7edSAmir Vadai 2005075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 20060a7fcb78SPaul Blakey bool match_inner = false; 2007bbd00f7eSHadar Hen Zion 20080a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 20090a7fcb78SPaul Blakey outer_match_level, &match_inner); 20100a7fcb78SPaul Blakey if (err) 20110a7fcb78SPaul Blakey return err; 20120a7fcb78SPaul Blakey 20130a7fcb78SPaul Blakey if (match_inner) { 20140a7fcb78SPaul Blakey /* header pointers should point to the inner headers 20150a7fcb78SPaul Blakey * if the packet was decapsulated already. 20160a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2017bbd00f7eSHadar Hen Zion */ 201893b3586eSHuy Nguyen match_level = inner_match_level; 20190a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 20200a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 20210a7fcb78SPaul Blakey } 2022bbd00f7eSHadar Hen Zion } 2023bbd00f7eSHadar Hen Zion 20246d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 20256d65bc64Swenxu if (err) 20266d65bc64Swenxu return err; 20276d65bc64Swenxu 202872046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 202972046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 20308f256622SPablo Neira Ayuso struct flow_match_basic match; 2031e3a2b7edSAmir Vadai 20328f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2033fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2034fca53304SEli Britstein match_level == outer_match_level, 2035fca53304SEli Britstein headers_c, headers_v); 20368f256622SPablo Neira Ayuso 20378f256622SPablo Neira Ayuso if (match.mask->n_proto) 2038d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2039e3a2b7edSAmir Vadai } 204035a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 204135a605dbSEli Britstein is_vlan_dev(filter_dev)) { 204235a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 204335a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 20448f256622SPablo Neira Ayuso struct flow_match_vlan match; 20458f256622SPablo Neira Ayuso 204635a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 204735a605dbSEli Britstein match.key = &filter_dev_key; 204835a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 204935a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 205035a605dbSEli Britstein match.key->vlan_priority = 0; 205135a605dbSEli Britstein match.mask = &filter_dev_mask; 205235a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 205335a605dbSEli Britstein match.mask->vlan_priority = 0; 205435a605dbSEli Britstein } else { 20558f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 205635a605dbSEli Britstein } 20578f256622SPablo Neira Ayuso if (match.mask->vlan_id || 20588f256622SPablo Neira Ayuso match.mask->vlan_priority || 20598f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 20608f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2061699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2062699e96ddSJianbo Liu svlan_tag, 1); 2063699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2064699e96ddSJianbo Liu svlan_tag, 1); 2065699e96ddSJianbo Liu } else { 2066699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2067699e96ddSJianbo Liu cvlan_tag, 1); 2068699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2069699e96ddSJianbo Liu cvlan_tag, 1); 2070699e96ddSJianbo Liu } 2071095b6cfdSOr Gerlitz 20728f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 20738f256622SPablo Neira Ayuso match.mask->vlan_id); 20748f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 20758f256622SPablo Neira Ayuso match.key->vlan_id); 2076358d79a4SOr Gerlitz 20778f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 20788f256622SPablo Neira Ayuso match.mask->vlan_priority); 20798f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 20808f256622SPablo Neira Ayuso match.key->vlan_priority); 208154782900SOr Gerlitz 2082d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2083095b6cfdSOr Gerlitz } 2084d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2085fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2086fc603294SMark Bloch * disabled in match value means both S & C tags 2087fc603294SMark Bloch * don't exist (untagged of both) 2088fc603294SMark Bloch */ 2089cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2090d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2091095b6cfdSOr Gerlitz } 2092095b6cfdSOr Gerlitz 20938f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 20948f256622SPablo Neira Ayuso struct flow_match_vlan match; 20958f256622SPablo Neira Ayuso 209612d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 20978f256622SPablo Neira Ayuso if (match.mask->vlan_id || 20988f256622SPablo Neira Ayuso match.mask->vlan_priority || 20998f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 21008f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2101699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2102699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2103699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2104699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2105699e96ddSJianbo Liu } else { 2106699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2107699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2108699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2109699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2110699e96ddSJianbo Liu } 2111699e96ddSJianbo Liu 2112699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 21138f256622SPablo Neira Ayuso match.mask->vlan_id); 2114699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 21158f256622SPablo Neira Ayuso match.key->vlan_id); 2116699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 21178f256622SPablo Neira Ayuso match.mask->vlan_priority); 2118699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 21198f256622SPablo Neira Ayuso match.key->vlan_priority); 2120699e96ddSJianbo Liu 2121699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 21220faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2123699e96ddSJianbo Liu } 2124699e96ddSJianbo Liu } 2125699e96ddSJianbo Liu 21268f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 21278f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 212854782900SOr Gerlitz 21298f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2130d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2131d3a80bb5SOr Gerlitz dmac_47_16), 21328f256622SPablo Neira Ayuso match.mask->dst); 2133d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2134d3a80bb5SOr Gerlitz dmac_47_16), 21358f256622SPablo Neira Ayuso match.key->dst); 2136d3a80bb5SOr Gerlitz 2137d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2138d3a80bb5SOr Gerlitz smac_47_16), 21398f256622SPablo Neira Ayuso match.mask->src); 2140d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2141d3a80bb5SOr Gerlitz smac_47_16), 21428f256622SPablo Neira Ayuso match.key->src); 2143d3a80bb5SOr Gerlitz 21448f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 21458f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2146d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 214754782900SOr Gerlitz } 214854782900SOr Gerlitz 21498f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 21508f256622SPablo Neira Ayuso struct flow_match_control match; 215154782900SOr Gerlitz 21528f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 21538f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 215454782900SOr Gerlitz 215554782900SOr Gerlitz /* the HW doesn't support frag first/later */ 21568f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_FIRST_FRAG) 215754782900SOr Gerlitz return -EOPNOTSUPP; 215854782900SOr Gerlitz 21598f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 216054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 216154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 21628f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 216354782900SOr Gerlitz 216454782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 21658f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 216683621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 216754782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 216854782900SOr Gerlitz else 216983621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 217054782900SOr Gerlitz } 217154782900SOr Gerlitz } 217254782900SOr Gerlitz 21738f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 21748f256622SPablo Neira Ayuso struct flow_match_basic match; 21758f256622SPablo Neira Ayuso 21768f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 21778f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 217854782900SOr Gerlitz 217954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 21808f256622SPablo Neira Ayuso match.mask->ip_proto); 218154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 21828f256622SPablo Neira Ayuso match.key->ip_proto); 218354782900SOr Gerlitz 21848f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2185d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 218654782900SOr Gerlitz } 218754782900SOr Gerlitz 2188e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 21898f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2190e3a2b7edSAmir Vadai 21918f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2192e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2193e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 21948f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2195e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2196e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 21978f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2198e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2199e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 22008f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2201e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2202e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 22038f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2204de0af0bfSRoi Dayan 22058f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2206d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2207e3a2b7edSAmir Vadai } 2208e3a2b7edSAmir Vadai 2209e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 22108f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2211e3a2b7edSAmir Vadai 22128f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2213e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2214e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 22158f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2216e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2217e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 22188f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2219e3a2b7edSAmir Vadai 2220e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2221e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 22228f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2223e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2224e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 22258f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2226de0af0bfSRoi Dayan 22278f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 22288f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2229d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2230e3a2b7edSAmir Vadai } 2231e3a2b7edSAmir Vadai 22328f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 22338f256622SPablo Neira Ayuso struct flow_match_ip match; 22341f97a526SOr Gerlitz 22358f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 22368f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 22378f256622SPablo Neira Ayuso match.mask->tos & 0x3); 22388f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 22398f256622SPablo Neira Ayuso match.key->tos & 0x3); 22401f97a526SOr Gerlitz 22418f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 22428f256622SPablo Neira Ayuso match.mask->tos >> 2); 22438f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 22448f256622SPablo Neira Ayuso match.key->tos >> 2); 22451f97a526SOr Gerlitz 22468f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 22478f256622SPablo Neira Ayuso match.mask->ttl); 22488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 22498f256622SPablo Neira Ayuso match.key->ttl); 22501f97a526SOr Gerlitz 22518f256622SPablo Neira Ayuso if (match.mask->ttl && 2252a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2253e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2254e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2255e98bedf5SEli Britstein "Matching on TTL is not supported"); 22561f97a526SOr Gerlitz return -EOPNOTSUPP; 2257e98bedf5SEli Britstein } 2258a8ade55fSOr Gerlitz 22598f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2260d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 22611f97a526SOr Gerlitz } 22621f97a526SOr Gerlitz 226354782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 226454782900SOr Gerlitz 22658f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 22668f256622SPablo Neira Ayuso struct flow_match_ports match; 22678f256622SPablo Neira Ayuso 22688f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2269e3a2b7edSAmir Vadai switch (ip_proto) { 2270e3a2b7edSAmir Vadai case IPPROTO_TCP: 2271e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 22728f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2273e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 22748f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2275e3a2b7edSAmir Vadai 2276e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 22778f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2278e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 22798f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2280e3a2b7edSAmir Vadai break; 2281e3a2b7edSAmir Vadai 2282e3a2b7edSAmir Vadai case IPPROTO_UDP: 2283e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 22848f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2285e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 22868f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2287e3a2b7edSAmir Vadai 2288e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 22898f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2290e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 22918f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2292e3a2b7edSAmir Vadai break; 2293e3a2b7edSAmir Vadai default: 2294e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2295e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2296e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2297e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2298e3a2b7edSAmir Vadai return -EINVAL; 2299e3a2b7edSAmir Vadai } 2300de0af0bfSRoi Dayan 23018f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2302d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2303e3a2b7edSAmir Vadai } 2304e3a2b7edSAmir Vadai 23058f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 23068f256622SPablo Neira Ayuso struct flow_match_tcp match; 2307e77834ecSOr Gerlitz 23088f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2309e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 23108f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2311e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 23128f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2313e77834ecSOr Gerlitz 23148f256622SPablo Neira Ayuso if (match.mask->flags) 2315d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2316e77834ecSOr Gerlitz } 2317a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2318a3222a2dSMaor Dickman struct flow_match_icmp match; 2319e77834ecSOr Gerlitz 2320a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2321a3222a2dSMaor Dickman switch (ip_proto) { 2322a3222a2dSMaor Dickman case IPPROTO_ICMP: 2323a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 2324a3222a2dSMaor Dickman MLX5_FLEX_PROTO_ICMP)) 2325a3222a2dSMaor Dickman return -EOPNOTSUPP; 2326a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2327a3222a2dSMaor Dickman match.mask->type); 2328a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2329a3222a2dSMaor Dickman match.key->type); 2330a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2331a3222a2dSMaor Dickman match.mask->code); 2332a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2333a3222a2dSMaor Dickman match.key->code); 2334a3222a2dSMaor Dickman break; 2335a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2336a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 2337a3222a2dSMaor Dickman MLX5_FLEX_PROTO_ICMPV6)) 2338a3222a2dSMaor Dickman return -EOPNOTSUPP; 2339a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2340a3222a2dSMaor Dickman match.mask->type); 2341a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2342a3222a2dSMaor Dickman match.key->type); 2343a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2344a3222a2dSMaor Dickman match.mask->code); 2345a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2346a3222a2dSMaor Dickman match.key->code); 2347a3222a2dSMaor Dickman break; 2348a3222a2dSMaor Dickman default: 2349a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2350a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2351a3222a2dSMaor Dickman netdev_err(priv->netdev, 2352a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2353a3222a2dSMaor Dickman return -EINVAL; 2354a3222a2dSMaor Dickman } 2355a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2356a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2357a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2358a3222a2dSMaor Dickman } 2359a3222a2dSMaor Dickman } 23607d6c86e3SAlaa Hleihel /* Currenlty supported only for MPLS over UDP */ 23617d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 23627d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 23637d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 23647d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 23657d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 23667d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 23677d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 23687d6c86e3SAlaa Hleihel } 23697d6c86e3SAlaa Hleihel 2370e3a2b7edSAmir Vadai return 0; 2371e3a2b7edSAmir Vadai } 2372e3a2b7edSAmir Vadai 2373de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 237465ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2375de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2376f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 237754c177caSOz Shlomo struct net_device *filter_dev) 2378de0af0bfSRoi Dayan { 237993b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2380e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2381de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2382de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 23831d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 23841d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2385226f2ca3SVlad Buslov bool is_eswitch_flow; 2386de0af0bfSRoi Dayan int err; 2387de0af0bfSRoi Dayan 238893b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 238993b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 239093b3586eSHuy Nguyen 23910a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 23920a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 239393b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 239493b3586eSHuy Nguyen outer_match_level : inner_match_level; 2395de0af0bfSRoi Dayan 2396226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2397226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 23981d447a39SSaeed Mahameed rep = rpriv->rep; 2399b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 24001d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 240193b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2402e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2403e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2404de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2405de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 240693b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2407de0af0bfSRoi Dayan return -EOPNOTSUPP; 2408de0af0bfSRoi Dayan } 2409de0af0bfSRoi Dayan } 2410de0af0bfSRoi Dayan 2411c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2412c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2413c620b772SAriel Levkovich 241438aa51c1SOr Gerlitz 2415de0af0bfSRoi Dayan return err; 2416de0af0bfSRoi Dayan } 2417de0af0bfSRoi Dayan 2418d79b6df6SOr Gerlitz struct pedit_headers { 2419d79b6df6SOr Gerlitz struct ethhdr eth; 24200eb69bb9SEli Britstein struct vlan_hdr vlan; 2421d79b6df6SOr Gerlitz struct iphdr ip4; 2422d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2423d79b6df6SOr Gerlitz struct tcphdr tcp; 2424d79b6df6SOr Gerlitz struct udphdr udp; 2425d79b6df6SOr Gerlitz }; 2426d79b6df6SOr Gerlitz 2427c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2428c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2429c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2430c500c86bSPablo Neira Ayuso u32 pedits; 2431c500c86bSPablo Neira Ayuso }; 2432c500c86bSPablo Neira Ayuso 2433d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 243473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 243573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 243673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 243773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 243873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2439d79b6df6SOr Gerlitz }; 2440d79b6df6SOr Gerlitz 2441d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2442d79b6df6SOr Gerlitz 2443d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 2444c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs) 2445d79b6df6SOr Gerlitz { 2446d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2447d79b6df6SOr Gerlitz 2448c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2449c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2450d79b6df6SOr Gerlitz 2451d79b6df6SOr Gerlitz if (*curr_pmask & mask) /* disallow acting twice on the same location */ 2452d79b6df6SOr Gerlitz goto out_err; 2453d79b6df6SOr Gerlitz 2454d79b6df6SOr Gerlitz *curr_pmask |= mask; 2455d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2456d79b6df6SOr Gerlitz 2457d79b6df6SOr Gerlitz return 0; 2458d79b6df6SOr Gerlitz 2459d79b6df6SOr Gerlitz out_err: 2460d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2461d79b6df6SOr Gerlitz } 2462d79b6df6SOr Gerlitz 2463d79b6df6SOr Gerlitz struct mlx5_fields { 2464d79b6df6SOr Gerlitz u8 field; 246588f30bbcSDmytro Linkin u8 field_bsize; 246688f30bbcSDmytro Linkin u32 field_mask; 2467d79b6df6SOr Gerlitz u32 offset; 246827c11b6bSEli Britstein u32 match_offset; 2469d79b6df6SOr Gerlitz }; 2470d79b6df6SOr Gerlitz 247188f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 247288f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 247327c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 247427c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 247527c11b6bSEli Britstein 24762ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 24772ef86872SEli Britstein * match. 24782ef86872SEli Britstein */ 24792ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 24802ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 24812ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 24822ef86872SEli Britstein type maskx = *(type *)(maskp); \ 24832ef86872SEli Britstein type valx = *(type *)(valp); \ 24842ef86872SEli Britstein \ 24852ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 24862ef86872SEli Britstein matchmaskx)); \ 24872ef86872SEli Britstein }) 24882ef86872SEli Britstein 248927c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 249088f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 249127c11b6bSEli Britstein { 249227c11b6bSEli Britstein bool same = false; 249327c11b6bSEli Britstein 249488f30bbcSDmytro Linkin switch (bsize) { 249588f30bbcSDmytro Linkin case 8: 24962ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 249727c11b6bSEli Britstein break; 249888f30bbcSDmytro Linkin case 16: 24992ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 250027c11b6bSEli Britstein break; 250188f30bbcSDmytro Linkin case 32: 25022ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 250327c11b6bSEli Britstein break; 250427c11b6bSEli Britstein } 250527c11b6bSEli Britstein 250627c11b6bSEli Britstein return same; 250727c11b6bSEli Britstein } 2508a8e4f0c4SOr Gerlitz 2509d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 251088f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 251188f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 251288f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 251388f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 251488f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 251588f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2516d79b6df6SOr Gerlitz 2517ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 251888f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 251988f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 252088f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2521d79b6df6SOr Gerlitz 252288f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 252327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 252488f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 252527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 252688f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 252727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 252888f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 252927c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 253088f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 253127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 253288f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 253327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 253488f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 253527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 253688f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 253727c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 253888f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2539748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2540d79b6df6SOr Gerlitz 254188f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 254288f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 254388f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 254488f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2545d79b6df6SOr Gerlitz 254688f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 254788f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2548d79b6df6SOr Gerlitz }; 2549d79b6df6SOr Gerlitz 255082198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 255182198d8bSMaor Dickman { 255282198d8bSMaor Dickman __be32 mask_be32; 255382198d8bSMaor Dickman __be16 mask_be16; 255482198d8bSMaor Dickman 255582198d8bSMaor Dickman if (size == 32) { 255682198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 255782198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 255882198d8bSMaor Dickman } else if (size == 16) { 255982198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 256082198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 256182198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 256282198d8bSMaor Dickman } 256382198d8bSMaor Dickman 256482198d8bSMaor Dickman return mask; 256582198d8bSMaor Dickman } 25666ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 25676ae4a6a5SPaul Blakey int namespace, 25686ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2569e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 257027c11b6bSEli Britstein u32 *action_flags, 2571e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2572d79b6df6SOr Gerlitz { 2573d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 25746ae4a6a5SPaul Blakey int i, action_size, first, last, next_z; 257588f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 257688f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 25776ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 2578d79b6df6SOr Gerlitz struct mlx5_fields *f; 257982198d8bSMaor Dickman unsigned long mask, field_mask; 25806ae4a6a5SPaul Blakey int err; 258188f30bbcSDmytro Linkin u8 cmd; 258288f30bbcSDmytro Linkin 25836ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 258488f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 258588f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2586d79b6df6SOr Gerlitz 258773867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 258873867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 258973867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 259073867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2591d79b6df6SOr Gerlitz 2592d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2593d79b6df6SOr Gerlitz 2594d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 259527c11b6bSEli Britstein bool skip; 259627c11b6bSEli Britstein 2597d79b6df6SOr Gerlitz f = &fields[i]; 2598d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2599e3ca4e05SOr Gerlitz s_mask = 0; 2600e3ca4e05SOr Gerlitz a_mask = 0; 2601d79b6df6SOr Gerlitz 2602d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2603d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2604d79b6df6SOr Gerlitz 260588f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 260688f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2607d79b6df6SOr Gerlitz 2608d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2609d79b6df6SOr Gerlitz continue; 2610d79b6df6SOr Gerlitz 2611d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2612e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2613e98bedf5SEli Britstein "can't set and add to the same HW field"); 2614d79b6df6SOr Gerlitz printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); 2615d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2616d79b6df6SOr Gerlitz } 2617d79b6df6SOr Gerlitz 261827c11b6bSEli Britstein skip = false; 2619d79b6df6SOr Gerlitz if (s_mask) { 262027c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 262127c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 262227c11b6bSEli Britstein 2623d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2624d79b6df6SOr Gerlitz mask = s_mask; 2625d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 262627c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 262727c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 262888f30bbcSDmytro Linkin match_mask, f->field_bsize)) 262927c11b6bSEli Britstein skip = true; 2630d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 263188f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2632d79b6df6SOr Gerlitz } else { 2633d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2634d79b6df6SOr Gerlitz mask = a_mask; 2635d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 263627c11b6bSEli Britstein /* add 0 is no change */ 263788f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 263827c11b6bSEli Britstein skip = true; 2639d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 264088f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2641d79b6df6SOr Gerlitz } 264227c11b6bSEli Britstein if (skip) 264327c11b6bSEli Britstein continue; 2644d79b6df6SOr Gerlitz 264582198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 26462b64bebaSOr Gerlitz 264788f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 264888f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 264988f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 26502b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2651e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2652e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 26532b64bebaSOr Gerlitz printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2654d79b6df6SOr Gerlitz mask); 2655d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2656d79b6df6SOr Gerlitz } 2657d79b6df6SOr Gerlitz 26586ae4a6a5SPaul Blakey err = alloc_mod_hdr_actions(priv->mdev, namespace, mod_acts); 26596ae4a6a5SPaul Blakey if (err) { 26606ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 26616ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 26626ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 26636ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 26646ae4a6a5SPaul Blakey mod_acts->num_actions); 26656ae4a6a5SPaul Blakey return err; 26666ae4a6a5SPaul Blakey } 26676ae4a6a5SPaul Blakey 26686ae4a6a5SPaul Blakey action = mod_acts->actions + 26696ae4a6a5SPaul Blakey (mod_acts->num_actions * action_size); 2670d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2671d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2672d79b6df6SOr Gerlitz 2673d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 267488f30bbcSDmytro Linkin int start; 267588f30bbcSDmytro Linkin 267682198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 267782198d8bSMaor Dickman 267888f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 267982198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 268088f30bbcSDmytro Linkin 268188f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2682d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 26832b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2684d79b6df6SOr Gerlitz } 2685d79b6df6SOr Gerlitz 268688f30bbcSDmytro Linkin if (f->field_bsize == 32) 26872b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 268888f30bbcSDmytro Linkin else if (f->field_bsize == 16) 26892b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 269088f30bbcSDmytro Linkin else if (f->field_bsize == 8) 26912b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2692d79b6df6SOr Gerlitz 26936ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2694d79b6df6SOr Gerlitz } 2695d79b6df6SOr Gerlitz 2696d79b6df6SOr Gerlitz return 0; 2697d79b6df6SOr Gerlitz } 2698d79b6df6SOr Gerlitz 26992cc1cb1dSTonghao Zhang static int mlx5e_flow_namespace_max_modify_action(struct mlx5_core_dev *mdev, 27002cc1cb1dSTonghao Zhang int namespace) 27012cc1cb1dSTonghao Zhang { 27022cc1cb1dSTonghao Zhang if (namespace == MLX5_FLOW_NAMESPACE_FDB) /* FDB offloading */ 27032cc1cb1dSTonghao Zhang return MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, max_modify_header_actions); 27042cc1cb1dSTonghao Zhang else /* namespace is MLX5_FLOW_NAMESPACE_KERNEL - NIC offloading */ 27052cc1cb1dSTonghao Zhang return MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_modify_header_actions); 27062cc1cb1dSTonghao Zhang } 27072cc1cb1dSTonghao Zhang 27086ae4a6a5SPaul Blakey int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev, 2709c500c86bSPablo Neira Ayuso int namespace, 27106ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 2711d79b6df6SOr Gerlitz { 27126ae4a6a5SPaul Blakey int action_size, new_num_actions, max_hw_actions; 27136ae4a6a5SPaul Blakey size_t new_sz, old_sz; 27146ae4a6a5SPaul Blakey void *ret; 2715d79b6df6SOr Gerlitz 27166ae4a6a5SPaul Blakey if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions) 27176ae4a6a5SPaul Blakey return 0; 27186ae4a6a5SPaul Blakey 2719d65dbedfSHuy Nguyen action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto); 2720d79b6df6SOr Gerlitz 27216ae4a6a5SPaul Blakey max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev, 27226ae4a6a5SPaul Blakey namespace); 27236ae4a6a5SPaul Blakey new_num_actions = min(max_hw_actions, 27246ae4a6a5SPaul Blakey mod_hdr_acts->actions ? 27256ae4a6a5SPaul Blakey mod_hdr_acts->max_actions * 2 : 1); 27266ae4a6a5SPaul Blakey if (mod_hdr_acts->max_actions == new_num_actions) 27276ae4a6a5SPaul Blakey return -ENOSPC; 2728d79b6df6SOr Gerlitz 27296ae4a6a5SPaul Blakey new_sz = action_size * new_num_actions; 27306ae4a6a5SPaul Blakey old_sz = mod_hdr_acts->max_actions * action_size; 27316ae4a6a5SPaul Blakey ret = krealloc(mod_hdr_acts->actions, new_sz, GFP_KERNEL); 27326ae4a6a5SPaul Blakey if (!ret) 2733d79b6df6SOr Gerlitz return -ENOMEM; 2734d79b6df6SOr Gerlitz 27356ae4a6a5SPaul Blakey memset(ret + old_sz, 0, new_sz - old_sz); 27366ae4a6a5SPaul Blakey mod_hdr_acts->actions = ret; 27376ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = new_num_actions; 27386ae4a6a5SPaul Blakey 2739d79b6df6SOr Gerlitz return 0; 2740d79b6df6SOr Gerlitz } 2741d79b6df6SOr Gerlitz 27426ae4a6a5SPaul Blakey void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts) 27436ae4a6a5SPaul Blakey { 27446ae4a6a5SPaul Blakey kfree(mod_hdr_acts->actions); 27456ae4a6a5SPaul Blakey mod_hdr_acts->actions = NULL; 27466ae4a6a5SPaul Blakey mod_hdr_acts->num_actions = 0; 27476ae4a6a5SPaul Blakey mod_hdr_acts->max_actions = 0; 27486ae4a6a5SPaul Blakey } 27496ae4a6a5SPaul Blakey 2750d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2751d79b6df6SOr Gerlitz 2752582234b4SEli Cohen static int 2753582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 275473867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2755582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2756c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2757e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2758d79b6df6SOr Gerlitz { 275973867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 276073867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2761d79b6df6SOr Gerlitz u32 mask, val, offset; 276273867881SPablo Neira Ayuso u8 htype; 2763d79b6df6SOr Gerlitz 276473867881SPablo Neira Ayuso htype = act->mangle.htype; 2765d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2766d79b6df6SOr Gerlitz 276773867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 276873867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2769d79b6df6SOr Gerlitz goto out_err; 2770d79b6df6SOr Gerlitz } 2771d79b6df6SOr Gerlitz 27722cc1cb1dSTonghao Zhang if (!mlx5e_flow_namespace_max_modify_action(priv->mdev, namespace)) { 27732cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 27742cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 27752cc1cb1dSTonghao Zhang goto out_err; 27762cc1cb1dSTonghao Zhang } 27772cc1cb1dSTonghao Zhang 277873867881SPablo Neira Ayuso mask = act->mangle.mask; 277973867881SPablo Neira Ayuso val = act->mangle.val; 278073867881SPablo Neira Ayuso offset = act->mangle.offset; 2781d79b6df6SOr Gerlitz 2782c500c86bSPablo Neira Ayuso err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd]); 2783d79b6df6SOr Gerlitz if (err) 2784d79b6df6SOr Gerlitz goto out_err; 2785c500c86bSPablo Neira Ayuso 2786c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2787d79b6df6SOr Gerlitz 2788c500c86bSPablo Neira Ayuso return 0; 2789c500c86bSPablo Neira Ayuso out_err: 2790c500c86bSPablo Neira Ayuso return err; 2791c500c86bSPablo Neira Ayuso } 2792c500c86bSPablo Neira Ayuso 2793582234b4SEli Cohen static int 2794582234b4SEli Cohen parse_pedit_to_reformat(struct mlx5e_priv *priv, 2795582234b4SEli Cohen const struct flow_action_entry *act, 2796582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2797582234b4SEli Cohen struct netlink_ext_ack *extack) 2798582234b4SEli Cohen { 2799582234b4SEli Cohen u32 mask, val, offset; 2800582234b4SEli Cohen u32 *p; 2801582234b4SEli Cohen 2802582234b4SEli Cohen if (act->id != FLOW_ACTION_MANGLE) 2803582234b4SEli Cohen return -EOPNOTSUPP; 2804582234b4SEli Cohen 2805582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 2806582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 2807582234b4SEli Cohen return -EOPNOTSUPP; 2808582234b4SEli Cohen } 2809582234b4SEli Cohen 2810582234b4SEli Cohen mask = ~act->mangle.mask; 2811582234b4SEli Cohen val = act->mangle.val; 2812582234b4SEli Cohen offset = act->mangle.offset; 2813582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 2814582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 2815582234b4SEli Cohen 2816582234b4SEli Cohen return 0; 2817582234b4SEli Cohen } 2818582234b4SEli Cohen 2819582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2820582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 2821582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2822582234b4SEli Cohen struct pedit_headers_action *hdrs, 2823582234b4SEli Cohen struct mlx5e_tc_flow *flow, 2824582234b4SEli Cohen struct netlink_ext_ack *extack) 2825582234b4SEli Cohen { 2826582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 2827582234b4SEli Cohen return parse_pedit_to_reformat(priv, act, parse_attr, extack); 2828582234b4SEli Cohen 2829582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 2830582234b4SEli Cohen parse_attr, hdrs, extack); 2831582234b4SEli Cohen } 2832582234b4SEli Cohen 2833c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2834c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2835c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 283627c11b6bSEli Britstein u32 *action_flags, 2837c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2838c500c86bSPablo Neira Ayuso { 2839c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2840c500c86bSPablo Neira Ayuso int err; 2841c500c86bSPablo Neira Ayuso u8 cmd; 2842c500c86bSPablo Neira Ayuso 28436ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 28446ae4a6a5SPaul Blakey action_flags, extack); 2845d79b6df6SOr Gerlitz if (err < 0) 2846d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2847d79b6df6SOr Gerlitz 2848d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2849c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2850d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2851e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2852e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2853b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2854d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2855d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2856d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2857d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2858d79b6df6SOr Gerlitz } 2859d79b6df6SOr Gerlitz } 2860d79b6df6SOr Gerlitz 2861d79b6df6SOr Gerlitz return 0; 2862d79b6df6SOr Gerlitz 2863d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 28646ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 2865d79b6df6SOr Gerlitz return err; 2866d79b6df6SOr Gerlitz } 2867d79b6df6SOr Gerlitz 2868e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 2869e98bedf5SEli Britstein u32 action, 2870e98bedf5SEli Britstein u32 update_flags, 2871e98bedf5SEli Britstein struct netlink_ext_ack *extack) 287226c02749SOr Gerlitz { 287326c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 287426c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 287526c02749SOr Gerlitz 287626c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 287726c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 2878e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2879e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 288026c02749SOr Gerlitz netdev_warn(priv->netdev, 288126c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 288226c02749SOr Gerlitz return false; 288326c02749SOr Gerlitz } 288426c02749SOr Gerlitz 288526c02749SOr Gerlitz if (update_flags & ~prot_flags) { 2886e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2887e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 288826c02749SOr Gerlitz netdev_warn(priv->netdev, 288926c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 289026c02749SOr Gerlitz update_flags); 289126c02749SOr Gerlitz return false; 289226c02749SOr Gerlitz } 289326c02749SOr Gerlitz 289426c02749SOr Gerlitz return true; 289526c02749SOr Gerlitz } 289626c02749SOr Gerlitz 28978998576bSDmytro Linkin struct ip_ttl_word { 28988998576bSDmytro Linkin __u8 ttl; 28998998576bSDmytro Linkin __u8 protocol; 29008998576bSDmytro Linkin __sum16 check; 29018998576bSDmytro Linkin }; 29028998576bSDmytro Linkin 29038998576bSDmytro Linkin struct ipv6_hoplimit_word { 29048998576bSDmytro Linkin __be16 payload_len; 29058998576bSDmytro Linkin __u8 nexthdr; 29068998576bSDmytro Linkin __u8 hop_limit; 29078998576bSDmytro Linkin }; 29088998576bSDmytro Linkin 29094c3844d9SPaul Blakey static int is_action_keys_supported(const struct flow_action_entry *act, 29104c3844d9SPaul Blakey bool ct_flow, bool *modify_ip_header, 29117e36feebSPaul Blakey bool *modify_tuple, 29124c3844d9SPaul Blakey struct netlink_ext_ack *extack) 29138998576bSDmytro Linkin { 29148998576bSDmytro Linkin u32 mask, offset; 29158998576bSDmytro Linkin u8 htype; 29168998576bSDmytro Linkin 29178998576bSDmytro Linkin htype = act->mangle.htype; 29188998576bSDmytro Linkin offset = act->mangle.offset; 29198998576bSDmytro Linkin mask = ~act->mangle.mask; 29208998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 29218998576bSDmytro Linkin * to determine that modified fields 29228998576bSDmytro Linkin * are NOT ttl & hop_limit only. 29238998576bSDmytro Linkin */ 29248998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 29258998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 29268998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 29278998576bSDmytro Linkin 29288998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 29298998576bSDmytro Linkin ttl_word->protocol || 29308998576bSDmytro Linkin ttl_word->check) { 29314c3844d9SPaul Blakey *modify_ip_header = true; 29324c3844d9SPaul Blakey } 29334c3844d9SPaul Blakey 29347e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 29357e36feebSPaul Blakey *modify_tuple = true; 29367e36feebSPaul Blakey 29377e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 29384c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29394c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 29404c3844d9SPaul Blakey return -EOPNOTSUPP; 29418998576bSDmytro Linkin } 29428998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 29438998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 29448998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 29458998576bSDmytro Linkin 29468998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 29478998576bSDmytro Linkin hoplimit_word->payload_len || 29488998576bSDmytro Linkin hoplimit_word->nexthdr) { 29494c3844d9SPaul Blakey *modify_ip_header = true; 29508998576bSDmytro Linkin } 29514c3844d9SPaul Blakey 29527e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 29537e36feebSPaul Blakey *modify_tuple = true; 29547e36feebSPaul Blakey 29557e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 29564c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29574c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 29584c3844d9SPaul Blakey return -EOPNOTSUPP; 29598998576bSDmytro Linkin } 29607e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 29617e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 29627e36feebSPaul Blakey *modify_tuple = true; 29637e36feebSPaul Blakey if (ct_flow) { 29644c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29654c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 29664c3844d9SPaul Blakey return -EOPNOTSUPP; 29674c3844d9SPaul Blakey } 29687e36feebSPaul Blakey } 29694c3844d9SPaul Blakey 29704c3844d9SPaul Blakey return 0; 29718998576bSDmytro Linkin } 29728998576bSDmytro Linkin 297396b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 297496b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 297596b5b458SDima Chumak struct mlx5e_priv *priv, 297696b5b458SDima Chumak struct mlx5_flow_spec *spec) 297796b5b458SDima Chumak { 297896b5b458SDima Chumak if (!modify_tuple || ct_clear) 297996b5b458SDima Chumak return true; 298096b5b458SDima Chumak 298196b5b458SDima Chumak if (ct_flow) { 298296b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 298396b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 298496b5b458SDima Chumak netdev_info(priv->netdev, 298596b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 298696b5b458SDima Chumak return false; 298796b5b458SDima Chumak } 298896b5b458SDima Chumak 298996b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 299096b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 299196b5b458SDima Chumak * we can't restore ct state 299296b5b458SDima Chumak */ 299396b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 299496b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 299596b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 299696b5b458SDima Chumak netdev_info(priv->netdev, 299796b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 299896b5b458SDima Chumak return false; 299996b5b458SDima Chumak } 300096b5b458SDima Chumak 300196b5b458SDima Chumak return true; 300296b5b458SDima Chumak } 300396b5b458SDima Chumak 30043d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 30053d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 300673867881SPablo Neira Ayuso struct flow_action *flow_action, 30074c3844d9SPaul Blakey u32 actions, bool ct_flow, 30087e36feebSPaul Blakey bool ct_clear, 3009e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3010bdd66ac0SOr Gerlitz { 301173867881SPablo Neira Ayuso const struct flow_action_entry *act; 30127e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3013fca53304SEli Britstein void *headers_c; 3014bdd66ac0SOr Gerlitz void *headers_v; 3015bdd66ac0SOr Gerlitz u16 ethertype; 30168998576bSDmytro Linkin u8 ip_proto; 30174c3844d9SPaul Blakey int i, err; 3018bdd66ac0SOr Gerlitz 3019fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 30208377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3021bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3022bdd66ac0SOr Gerlitz 3023bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3024fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3025fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3026bdd66ac0SOr Gerlitz goto out_ok; 3027bdd66ac0SOr Gerlitz 3028bdd66ac0SOr Gerlitz modify_ip_header = false; 30297e36feebSPaul Blakey modify_tuple = false; 303073867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 303173867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 303273867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3033bdd66ac0SOr Gerlitz continue; 3034bdd66ac0SOr Gerlitz 30354c3844d9SPaul Blakey err = is_action_keys_supported(act, ct_flow, 30367e36feebSPaul Blakey &modify_ip_header, 30377e36feebSPaul Blakey &modify_tuple, extack); 30384c3844d9SPaul Blakey if (err) 30394c3844d9SPaul Blakey return err; 3040bdd66ac0SOr Gerlitz } 3041bdd66ac0SOr Gerlitz 304296b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 304396b5b458SDima Chumak priv, spec)) 30447e36feebSPaul Blakey return false; 30457e36feebSPaul Blakey 3046bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 30471ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 30481ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3049e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3050e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 30513d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 30523d486ec4SOz Shlomo ip_proto); 3053bdd66ac0SOr Gerlitz return false; 3054bdd66ac0SOr Gerlitz } 3055bdd66ac0SOr Gerlitz 3056bdd66ac0SOr Gerlitz out_ok: 3057bdd66ac0SOr Gerlitz return true; 3058bdd66ac0SOr Gerlitz } 3059bdd66ac0SOr Gerlitz 3060bdd66ac0SOr Gerlitz static bool actions_match_supported(struct mlx5e_priv *priv, 306173867881SPablo Neira Ayuso struct flow_action *flow_action, 3062bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3063e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3064e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3065bdd66ac0SOr Gerlitz { 3066a7c119bdSPaul Blakey bool ct_flow = false, ct_clear = false; 3067bdd66ac0SOr Gerlitz u32 actions; 3068bdd66ac0SOr Gerlitz 3069c620b772SAriel Levkovich ct_clear = flow->attr->ct_attr.ct_action & 3070a7c119bdSPaul Blakey TCA_CT_ACT_CLEAR; 3071a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3072c620b772SAriel Levkovich actions = flow->attr->action; 3073c620b772SAriel Levkovich 3074c620b772SAriel Levkovich if (mlx5e_is_eswitch_flow(flow)) { 307569e2916eSPaul Blakey if (flow->attr->esw_attr->split_count && ct_flow && 307669e2916eSPaul Blakey !MLX5_CAP_GEN(flow->attr->esw_attr->in_mdev, reg_c_preserve)) { 30774c3844d9SPaul Blakey /* All registers used by ct are cleared when using 30784c3844d9SPaul Blakey * split rules. 30794c3844d9SPaul Blakey */ 30804c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30814c3844d9SPaul Blakey "Can't offload mirroring with action ct"); 308249397b80SDan Carpenter return false; 30834c3844d9SPaul Blakey } 30844c3844d9SPaul Blakey } 3085bdd66ac0SOr Gerlitz 3086bdd66ac0SOr Gerlitz if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 30873d486ec4SOz Shlomo return modify_header_match_supported(priv, &parse_attr->spec, 3088a655fe9fSDavid S. Miller flow_action, actions, 30897e36feebSPaul Blakey ct_flow, ct_clear, 30907e36feebSPaul Blakey extack); 3091bdd66ac0SOr Gerlitz 3092bdd66ac0SOr Gerlitz return true; 3093bdd66ac0SOr Gerlitz } 3094bdd66ac0SOr Gerlitz 309532134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 309632134847SMaor Dickman { 309732134847SMaor Dickman return priv->mdev == peer_priv->mdev; 309832134847SMaor Dickman } 309932134847SMaor Dickman 31005c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 31015c65c564SOr Gerlitz { 31025c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3103816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 31045c65c564SOr Gerlitz 31055c65c564SOr Gerlitz fmdev = priv->mdev; 31065c65c564SOr Gerlitz pmdev = peer_priv->mdev; 31075c65c564SOr Gerlitz 310859c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 310959c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 31105c65c564SOr Gerlitz 3111816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 31125c65c564SOr Gerlitz } 31135c65c564SOr Gerlitz 3114*bb569657SAriel Levkovich static bool same_vf_reps(struct mlx5e_priv *priv, 3115*bb569657SAriel Levkovich struct net_device *out_dev) 3116*bb569657SAriel Levkovich { 3117*bb569657SAriel Levkovich return mlx5e_eswitch_vf_rep(priv->netdev) && 3118*bb569657SAriel Levkovich priv->netdev == out_dev; 3119*bb569657SAriel Levkovich } 3120*bb569657SAriel Levkovich 3121bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3122bdc837eeSEli Britstein const struct flow_action_entry *act, 3123bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3124bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3125bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3126bdc837eeSEli Britstein { 3127bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3128bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3129bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3130bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3131bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3132bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3133bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3134bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3135bdc837eeSEli Britstein }; 31366fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3137bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3138bdc837eeSEli Britstein int err; 3139bdc837eeSEli Britstein 3140bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3141bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3142bf2f3bcaSEli Britstein 3143bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3144bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3145bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3146bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3147bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3148bf2f3bcaSEli Britstein } 3149bf2f3bcaSEli Britstein 31506fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 31516fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 31526fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 31536fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 31546fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3155bdc837eeSEli Britstein return -EOPNOTSUPP; 3156bdc837eeSEli Britstein } 3157bdc837eeSEli Britstein 3158582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3159bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3160bdc837eeSEli Britstein 3161bdc837eeSEli Britstein return err; 3162bdc837eeSEli Britstein } 3163bdc837eeSEli Britstein 31640bac1194SEli Britstein static int 31650bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 31660bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 31670bac1194SEli Britstein struct pedit_headers_action *hdrs, 31680bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 31690bac1194SEli Britstein { 31700bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 31710bac1194SEli Britstein .vlan.vid = 0, 31720bac1194SEli Britstein .vlan.prio = 31730bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 31740bac1194SEli Britstein get_match_headers_value(*action, 31750bac1194SEli Britstein &parse_attr->spec), 31760bac1194SEli Britstein first_prio) & 31770bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 31780bac1194SEli Britstein get_match_headers_criteria(*action, 31790bac1194SEli Britstein &parse_attr->spec), 31800bac1194SEli Britstein first_prio), 31810bac1194SEli Britstein }; 31820bac1194SEli Britstein 31830bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 31840bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 31850bac1194SEli Britstein extack); 31860bac1194SEli Britstein } 31870bac1194SEli Britstein 3188c7569097SAriel Levkovich static int validate_goto_chain(struct mlx5e_priv *priv, 3189c7569097SAriel Levkovich struct mlx5e_tc_flow *flow, 3190c7569097SAriel Levkovich const struct flow_action_entry *act, 3191c7569097SAriel Levkovich u32 actions, 3192c7569097SAriel Levkovich struct netlink_ext_ack *extack) 3193c7569097SAriel Levkovich { 3194c7569097SAriel Levkovich bool is_esw = mlx5e_is_eswitch_flow(flow); 3195c7569097SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3196c7569097SAriel Levkovich bool ft_flow = mlx5e_is_ft_flow(flow); 3197c7569097SAriel Levkovich u32 dest_chain = act->chain_index; 3198c7569097SAriel Levkovich struct mlx5_fs_chains *chains; 3199c7569097SAriel Levkovich struct mlx5_eswitch *esw; 3200c7569097SAriel Levkovich u32 reformat_and_fwd; 3201c7569097SAriel Levkovich u32 max_chain; 3202c7569097SAriel Levkovich 3203c7569097SAriel Levkovich esw = priv->mdev->priv.eswitch; 3204c7569097SAriel Levkovich chains = is_esw ? esw_chains(esw) : nic_chains(priv); 3205c7569097SAriel Levkovich max_chain = mlx5_chains_get_chain_range(chains); 3206c7569097SAriel Levkovich reformat_and_fwd = is_esw ? 3207c7569097SAriel Levkovich MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_and_fwd_to_table) : 3208c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, reformat_and_fwd_to_table); 3209c7569097SAriel Levkovich 3210c7569097SAriel Levkovich if (ft_flow) { 3211c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 3212c7569097SAriel Levkovich return -EOPNOTSUPP; 3213c7569097SAriel Levkovich } 3214c7569097SAriel Levkovich 3215c7569097SAriel Levkovich if (!mlx5_chains_backwards_supported(chains) && 3216c7569097SAriel Levkovich dest_chain <= attr->chain) { 3217c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3218c7569097SAriel Levkovich "Goto lower numbered chain isn't supported"); 3219c7569097SAriel Levkovich return -EOPNOTSUPP; 3220c7569097SAriel Levkovich } 3221c7569097SAriel Levkovich 3222c7569097SAriel Levkovich if (dest_chain > max_chain) { 3223c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3224c7569097SAriel Levkovich "Requested destination chain is out of supported range"); 3225c7569097SAriel Levkovich return -EOPNOTSUPP; 3226c7569097SAriel Levkovich } 3227c7569097SAriel Levkovich 3228c7569097SAriel Levkovich if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 3229c7569097SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_DECAP) && 3230c7569097SAriel Levkovich !reformat_and_fwd) { 3231c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3232c7569097SAriel Levkovich "Goto chain is not allowed if action has reformat or decap"); 3233c7569097SAriel Levkovich return -EOPNOTSUPP; 3234c7569097SAriel Levkovich } 3235c7569097SAriel Levkovich 3236c7569097SAriel Levkovich return 0; 3237c7569097SAriel Levkovich } 3238c7569097SAriel Levkovich 323973867881SPablo Neira Ayuso static int parse_tc_nic_actions(struct mlx5e_priv *priv, 324073867881SPablo Neira Ayuso struct flow_action *flow_action, 3241aa0cbbaeSOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3242e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3243e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3244e3a2b7edSAmir Vadai { 3245c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 324673867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 324773867881SPablo Neira Ayuso const struct flow_action_entry *act; 3248c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr; 32491cab1cd7SOr Gerlitz u32 action = 0; 3250244cd96aSCong Wang int err, i; 3251e3a2b7edSAmir Vadai 325273867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 3253e3a2b7edSAmir Vadai return -EINVAL; 3254e3a2b7edSAmir Vadai 325553eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 325653eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3257319a1d19SJiri Pirko return -EOPNOTSUPP; 3258319a1d19SJiri Pirko 3259c620b772SAriel Levkovich nic_attr = attr->nic_attr; 3260c620b772SAriel Levkovich 3261c620b772SAriel Levkovich nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3262e3a2b7edSAmir Vadai 326373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 326473867881SPablo Neira Ayuso switch (act->id) { 326515fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 326615fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 326715fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 326815fc92ecSTonghao Zhang break; 326973867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 32701cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP; 3271aad7e08dSAmir Vadai if (MLX5_CAP_FLOWTABLE(priv->mdev, 3272aad7e08dSAmir Vadai flow_table_properties_nic_receive.flow_counter)) 32731cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 327473867881SPablo Neira Ayuso break; 327573867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 327673867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 327773867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3278582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 32792f4fe4caSOr Gerlitz if (err) 32802f4fe4caSOr Gerlitz return err; 32812f4fe4caSOr Gerlitz 3282c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 328373867881SPablo Neira Ayuso break; 3284bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3285bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3286bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3287bdc837eeSEli Britstein act, parse_attr, hdrs, 3288bdc837eeSEli Britstein &action, extack); 3289bdc837eeSEli Britstein if (err) 3290bdc837eeSEli Britstein return err; 3291bdc837eeSEli Britstein 3292bdc837eeSEli Britstein break; 329373867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 32941cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 329573867881SPablo Neira Ayuso act->csum_flags, 3296e98bedf5SEli Britstein extack)) 329773867881SPablo Neira Ayuso break; 329826c02749SOr Gerlitz 329926c02749SOr Gerlitz return -EOPNOTSUPP; 330073867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 330173867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 33025c65c564SOr Gerlitz 33035c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 33045c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 330598b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3306226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 33071cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 33085c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 33095c65c564SOr Gerlitz } else { 3310e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3311e98bedf5SEli Britstein "device is not on same HW, can't offload"); 33125c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 33135c65c564SOr Gerlitz peer_dev->name); 33145c65c564SOr Gerlitz return -EINVAL; 33155c65c564SOr Gerlitz } 33165c65c564SOr Gerlitz } 331773867881SPablo Neira Ayuso break; 331873867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 331973867881SPablo Neira Ayuso u32 mark = act->mark; 3320e3a2b7edSAmir Vadai 3321e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3322e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3323e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 3324e3a2b7edSAmir Vadai return -EINVAL; 3325e3a2b7edSAmir Vadai } 3326e3a2b7edSAmir Vadai 3327c620b772SAriel Levkovich nic_attr->flow_tag = mark; 33281cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3329e3a2b7edSAmir Vadai } 333073867881SPablo Neira Ayuso break; 3331c7569097SAriel Levkovich case FLOW_ACTION_GOTO: 3332c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 3333c7569097SAriel Levkovich extack); 3334c7569097SAriel Levkovich if (err) 3335c7569097SAriel Levkovich return err; 3336c7569097SAriel Levkovich 3337c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 3338c7569097SAriel Levkovich attr->dest_chain = act->chain_index; 3339c7569097SAriel Levkovich break; 3340aedd133dSAriel Levkovich case FLOW_ACTION_CT: 3341aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 3342aedd133dSAriel Levkovich if (err) 3343aedd133dSAriel Levkovich return err; 3344aedd133dSAriel Levkovich 3345aedd133dSAriel Levkovich flow_flag_set(flow, CT); 3346aedd133dSAriel Levkovich break; 334773867881SPablo Neira Ayuso default: 33482cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 33492cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3350e3a2b7edSAmir Vadai } 335173867881SPablo Neira Ayuso } 3352e3a2b7edSAmir Vadai 3353c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3354c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 3355c500c86bSPablo Neira Ayuso err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_KERNEL, 335627c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3357c500c86bSPablo Neira Ayuso if (err) 3358c500c86bSPablo Neira Ayuso return err; 335927c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 336027c11b6bSEli Britstein * flag. 336127c11b6bSEli Britstein */ 33626ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 336327c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 33646ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 3365e7739a60SEli Britstein } 3366c500c86bSPablo Neira Ayuso } 3367c500c86bSPablo Neira Ayuso 33681cab1cd7SOr Gerlitz attr->action = action; 3369c7569097SAriel Levkovich 3370c7569097SAriel Levkovich if (attr->dest_chain) { 3371c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 3372c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3373c7569097SAriel Levkovich return -EOPNOTSUPP; 3374c7569097SAriel Levkovich } 3375c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3376c7569097SAriel Levkovich } 3377c7569097SAriel Levkovich 3378c7569097SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 3379c7569097SAriel Levkovich attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3380c7569097SAriel Levkovich 338173867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3382bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3383bdd66ac0SOr Gerlitz 3384e3a2b7edSAmir Vadai return 0; 3385e3a2b7edSAmir Vadai } 3386e3a2b7edSAmir Vadai 338732134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3388b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3389b1d90e6bSRabie Loulou { 3390b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3391b1d90e6bSRabie Loulou 3392b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3393b1d90e6bSRabie Loulou 3394b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 339532134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 339632134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 339768931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3398b1d90e6bSRabie Loulou } 3399b1d90e6bSRabie Loulou 34001482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 340173867881SPablo Neira Ayuso const struct flow_action_entry *act, 34021482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 34031482bd3dSJianbo Liu u32 *action) 34041482bd3dSJianbo Liu { 3405cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3406cc495188SJianbo Liu 3407cc495188SJianbo Liu if (vlan_idx >= MLX5_FS_VLAN_DEPTH) 34081482bd3dSJianbo Liu return -EOPNOTSUPP; 3409cc495188SJianbo Liu 341073867881SPablo Neira Ayuso switch (act->id) { 341173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3412cc495188SJianbo Liu if (vlan_idx) { 3413cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3414cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3415cc495188SJianbo Liu return -EOPNOTSUPP; 3416cc495188SJianbo Liu 3417cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3418cc495188SJianbo Liu } else { 3419cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3420cc495188SJianbo Liu } 342173867881SPablo Neira Ayuso break; 342273867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 342373867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 342473867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 342573867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3426cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3427cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3428cc495188SJianbo Liu 3429cc495188SJianbo Liu if (vlan_idx) { 3430cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 3431cc495188SJianbo Liu MLX5_FS_VLAN_DEPTH)) 3432cc495188SJianbo Liu return -EOPNOTSUPP; 3433cc495188SJianbo Liu 3434cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3435cc495188SJianbo Liu } else { 3436cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 343773867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 343873867881SPablo Neira Ayuso act->vlan.prio)) 3439cc495188SJianbo Liu return -EOPNOTSUPP; 3440cc495188SJianbo Liu 3441cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 34421482bd3dSJianbo Liu } 344373867881SPablo Neira Ayuso break; 344473867881SPablo Neira Ayuso default: 3445bdc837eeSEli Britstein return -EINVAL; 34461482bd3dSJianbo Liu } 34471482bd3dSJianbo Liu 3448cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3449cc495188SJianbo Liu 34501482bd3dSJianbo Liu return 0; 34511482bd3dSJianbo Liu } 34521482bd3dSJianbo Liu 3453d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3454d34eb2fcSOr Gerlitz struct net_device *out_dev) 3455d34eb2fcSOr Gerlitz { 3456d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3457d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3458d34eb2fcSOr Gerlitz 3459d34eb2fcSOr Gerlitz rcu_read_lock(); 3460d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3461d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3462d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3463d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3464d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3465d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3466d34eb2fcSOr Gerlitz if (fdb_out_dev && 3467d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3468d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3469d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3470d34eb2fcSOr Gerlitz } 3471d34eb2fcSOr Gerlitz rcu_read_unlock(); 3472d34eb2fcSOr Gerlitz return fdb_out_dev; 3473d34eb2fcSOr Gerlitz } 3474d34eb2fcSOr Gerlitz 3475278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3476c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 3477278748a9SEli Britstein struct net_device **out_dev, 3478278748a9SEli Britstein u32 *action) 3479278748a9SEli Britstein { 3480278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3481278748a9SEli Britstein struct flow_action_entry vlan_act = { 3482278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3483278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3484278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3485278748a9SEli Britstein .vlan.prio = 0, 3486278748a9SEli Britstein }; 3487278748a9SEli Britstein int err; 3488278748a9SEli Britstein 3489c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 3490278748a9SEli Britstein if (err) 3491278748a9SEli Britstein return err; 3492278748a9SEli Britstein 3493278748a9SEli Britstein *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), 3494278748a9SEli Britstein dev_get_iflink(vlan_dev)); 3495278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 3496278748a9SEli Britstein err = add_vlan_push_action(priv, attr, out_dev, action); 3497278748a9SEli Britstein 3498278748a9SEli Britstein return err; 3499278748a9SEli Britstein } 3500278748a9SEli Britstein 350135a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 3502c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 350335a605dbSEli Britstein u32 *action) 350435a605dbSEli Britstein { 350535a605dbSEli Britstein struct flow_action_entry vlan_act = { 350635a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 350735a605dbSEli Britstein }; 350870f478caSDmytro Linkin int nest_level, err = 0; 350935a605dbSEli Britstein 351070f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 351170f478caSDmytro Linkin priv->netdev->lower_level; 351235a605dbSEli Britstein while (nest_level--) { 3513c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action); 351435a605dbSEli Britstein if (err) 351535a605dbSEli Britstein return err; 351635a605dbSEli Britstein } 351735a605dbSEli Britstein 351835a605dbSEli Britstein return err; 351935a605dbSEli Britstein } 352035a605dbSEli Britstein 352132134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 352232134847SMaor Dickman struct net_device *peer_netdev) 352332134847SMaor Dickman { 352432134847SMaor Dickman struct mlx5e_priv *peer_priv; 352532134847SMaor Dickman 352632134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 352732134847SMaor Dickman 352832134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 352932134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 353032134847SMaor Dickman same_hw_devs(priv, peer_priv); 353132134847SMaor Dickman } 353232134847SMaor Dickman 353332134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 353432134847SMaor Dickman struct net_device *peer_netdev) 353532134847SMaor Dickman { 353632134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 353732134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 353832134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 353932134847SMaor Dickman } 354032134847SMaor Dickman 3541f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3542f6dc1264SPaul Blakey struct net_device *out_dev) 3543f6dc1264SPaul Blakey { 354432134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 354532134847SMaor Dickman return true; 354632134847SMaor Dickman 354732134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3548f6dc1264SPaul Blakey return true; 3549f6dc1264SPaul Blakey 3550f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 355132134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3552f6dc1264SPaul Blakey } 3553f6dc1264SPaul Blakey 3554554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3555554fe75cSDmytro Linkin struct net_device *out_dev, 3556554fe75cSDmytro Linkin int *ifindexes, int if_count, 3557554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3558554fe75cSDmytro Linkin { 3559554fe75cSDmytro Linkin int i; 3560554fe75cSDmytro Linkin 3561554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3562554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3563554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3564554fe75cSDmytro Linkin "can't duplicate output to same device"); 3565554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3566554fe75cSDmytro Linkin out_dev->name); 3567554fe75cSDmytro Linkin return true; 3568554fe75cSDmytro Linkin } 3569554fe75cSDmytro Linkin } 3570554fe75cSDmytro Linkin 3571554fe75cSDmytro Linkin return false; 3572554fe75cSDmytro Linkin } 3573554fe75cSDmytro Linkin 3574613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3575613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3576613f53feSEli Cohen struct net_device *out_dev, 3577613f53feSEli Cohen struct netlink_ext_ack *extack) 3578613f53feSEli Cohen { 3579c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 3580613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3581613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3582613f53feSEli Cohen 3583613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3584613f53feSEli Cohen * uplink ports is allowed only if 3585613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3586613f53feSEli Cohen * 3587c620b772SAriel Levkovich * Input vport was stored attr->in_rep. 3588613f53feSEli Cohen * In LAG case, *priv* is the private data of 3589613f53feSEli Cohen * uplink which may be not the input vport. 3590613f53feSEli Cohen */ 3591613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3592613f53feSEli Cohen 3593613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3594613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3595613f53feSEli Cohen return 0; 3596613f53feSEli Cohen 3597613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3598613f53feSEli Cohen termination_table_raw_traffic)) { 3599613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3600613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3601613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3602613f53feSEli Cohen priv->netdev->name, out_dev->name); 3603613f53feSEli Cohen return -EOPNOTSUPP; 3604613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3605613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3606613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3607613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3608613f53feSEli Cohen priv->netdev->name, out_dev->name); 3609613f53feSEli Cohen return -EOPNOTSUPP; 3610613f53feSEli Cohen } 3611613f53feSEli Cohen return 0; 3612613f53feSEli Cohen } 3613613f53feSEli Cohen 361473867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 361573867881SPablo Neira Ayuso struct flow_action *flow_action, 3616e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 361714e6b038SEli Cohen struct netlink_ext_ack *extack, 361814e6b038SEli Cohen struct net_device *filter_dev) 3619a54e20b4SHadar Hen Zion { 362073867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3621bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3622c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 36231d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 362473867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3625c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3626554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 362784179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 362873867881SPablo Neira Ayuso const struct flow_action_entry *act; 3629c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 36300a7fcb78SPaul Blakey bool encap = false, decap = false; 36310a7fcb78SPaul Blakey u32 action = attr->action; 3632554fe75cSDmytro Linkin int err, i, if_count = 0; 3633f828ca6aSEli Cohen bool mpls_push = false; 363403a9d11eSOr Gerlitz 363573867881SPablo Neira Ayuso if (!flow_action_has_entries(flow_action)) 363603a9d11eSOr Gerlitz return -EINVAL; 363703a9d11eSOr Gerlitz 363853eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 363953eca1f3SJakub Kicinski FLOW_ACTION_HW_STATS_DELAYED_BIT)) 3640319a1d19SJiri Pirko return -EOPNOTSUPP; 3641319a1d19SJiri Pirko 3642c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3643c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3644c620b772SAriel Levkovich 364573867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 364673867881SPablo Neira Ayuso switch (act->id) { 364773867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 36481cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 364903a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 365073867881SPablo Neira Ayuso break; 3651f0288210SEli Cohen case FLOW_ACTION_TRAP: 3652f0288210SEli Cohen if (!flow_offload_has_one_action(flow_action)) { 3653f0288210SEli Cohen NL_SET_ERR_MSG_MOD(extack, 3654f0288210SEli Cohen "action trap is supported as a sole action only"); 3655f0288210SEli Cohen return -EOPNOTSUPP; 3656f0288210SEli Cohen } 3657f0288210SEli Cohen action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3658f0288210SEli Cohen MLX5_FLOW_CONTEXT_ACTION_COUNT); 3659f0288210SEli Cohen attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 3660f0288210SEli Cohen break; 3661f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3662f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3663f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3664f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3665f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3666f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 3667f828ca6aSEli Cohen return -EOPNOTSUPP; 3668f828ca6aSEli Cohen } 3669f828ca6aSEli Cohen mpls_push = true; 3670f828ca6aSEli Cohen break; 367114e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 367214e6b038SEli Cohen /* we only support mpls pop if it is the first action 367314e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 367414e6b038SEli Cohen * actions can be pedit and the last can be mirred 367514e6b038SEli Cohen * egress redirect. 367614e6b038SEli Cohen */ 367714e6b038SEli Cohen if (i) { 367814e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 367914e6b038SEli Cohen "mpls pop supported only as first action"); 368014e6b038SEli Cohen return -EOPNOTSUPP; 368114e6b038SEli Cohen } 368214e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) { 368314e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 368414e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 368514e6b038SEli Cohen return -EOPNOTSUPP; 368614e6b038SEli Cohen } 368714e6b038SEli Cohen 368814e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 368914e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 369014e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 369114e6b038SEli Cohen break; 369273867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 369373867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 369473867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3695582234b4SEli Cohen parse_attr, hdrs, flow, extack); 3696d7e75a32SOr Gerlitz if (err) 3697d7e75a32SOr Gerlitz return err; 3698d7e75a32SOr Gerlitz 3699582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 37001cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3701c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 3702582234b4SEli Cohen } 370373867881SPablo Neira Ayuso break; 370473867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 37051cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 370673867881SPablo Neira Ayuso act->csum_flags, extack)) 370773867881SPablo Neira Ayuso break; 370826c02749SOr Gerlitz 370926c02749SOr Gerlitz return -EOPNOTSUPP; 371073867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 371173867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 371203a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3713592d3651SChris Mi struct net_device *out_dev; 371403a9d11eSOr Gerlitz 371573867881SPablo Neira Ayuso out_dev = act->dev; 3716ef381359SOz Shlomo if (!out_dev) { 3717ef381359SOz Shlomo /* out_dev is NULL when filters with 3718ef381359SOz Shlomo * non-existing mirred device are replayed to 3719ef381359SOz Shlomo * the driver. 3720ef381359SOz Shlomo */ 3721ef381359SOz Shlomo return -EINVAL; 3722ef381359SOz Shlomo } 372303a9d11eSOr Gerlitz 3724f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 3725f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3726f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 3727f828ca6aSEli Cohen return -EOPNOTSUPP; 3728f828ca6aSEli Cohen } 3729f828ca6aSEli Cohen 373084179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 373184179981SPaul Blakey /* Ignore forward to self rules generated 373284179981SPaul Blakey * by adding both mlx5 devs to the flow table 373384179981SPaul Blakey * block on a normal nft offload setup. 373484179981SPaul Blakey */ 373584179981SPaul Blakey return -EOPNOTSUPP; 373684179981SPaul Blakey } 373784179981SPaul Blakey 3738c620b772SAriel Levkovich if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3739e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3740e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 37414ccd83f4SRoi Dayan netdev_warn(priv->netdev, 37424ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 3743c620b772SAriel Levkovich esw_attr->out_count); 3744592d3651SChris Mi return -EOPNOTSUPP; 3745592d3651SChris Mi } 3746592d3651SChris Mi 3747f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3748f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3749b6a4ac24SVlad Buslov if (encap) { 3750c620b772SAriel Levkovich parse_attr->mirred_ifindex[esw_attr->out_count] = 3751b6a4ac24SVlad Buslov out_dev->ifindex; 37520d9f9647SVlad Buslov parse_attr->tun_info[esw_attr->out_count] = 37530d9f9647SVlad Buslov mlx5e_dup_tun_info(info); 3754c620b772SAriel Levkovich if (!parse_attr->tun_info[esw_attr->out_count]) 3755b6a4ac24SVlad Buslov return -ENOMEM; 3756b6a4ac24SVlad Buslov encap = false; 3757c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].flags |= 3758b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 3759c620b772SAriel Levkovich esw_attr->out_count++; 3760b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 3761b6a4ac24SVlad Buslov * handle encap 3762b6a4ac24SVlad Buslov */ 3763b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 37647ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 37657ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 37667ba58ba7SRabie Loulou 3767554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 3768554fe75cSDmytro Linkin out_dev, 3769554fe75cSDmytro Linkin ifindexes, 3770554fe75cSDmytro Linkin if_count, 3771554fe75cSDmytro Linkin extack)) 3772554fe75cSDmytro Linkin return -EOPNOTSUPP; 3773554fe75cSDmytro Linkin 3774554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 3775554fe75cSDmytro Linkin if_count++; 3776554fe75cSDmytro Linkin 3777d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 3778d34eb2fcSOr Gerlitz if (!out_dev) 3779d34eb2fcSOr Gerlitz return -ENODEV; 37807ba58ba7SRabie Loulou 3781278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 3782278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 3783278748a9SEli Britstein &out_dev, 3784278748a9SEli Britstein &action); 3785278748a9SEli Britstein if (err) 3786278748a9SEli Britstein return err; 3787278748a9SEli Britstein } 3788f6dc1264SPaul Blakey 378935a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 379035a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 379135a605dbSEli Britstein &action); 379235a605dbSEli Britstein if (err) 379335a605dbSEli Britstein return err; 379435a605dbSEli Britstein } 3795278748a9SEli Britstein 3796613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 3797613f53feSEli Cohen if (err) 3798613f53feSEli Cohen return err; 3799ffec9702STonghao Zhang 3800f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 3801f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 3802f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 3803a0646c88SEli Britstein return -EOPNOTSUPP; 3804f6dc1264SPaul Blakey } 3805a0646c88SEli Britstein 3806*bb569657SAriel Levkovich if (same_vf_reps(priv, out_dev)) { 3807*bb569657SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3808*bb569657SAriel Levkovich "can't forward from a VF to itself"); 3809*bb569657SAriel Levkovich return -EOPNOTSUPP; 3810*bb569657SAriel Levkovich } 3811*bb569657SAriel Levkovich 381203a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 38131d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 3814c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].rep = rpriv->rep; 3815c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev; 3816c620b772SAriel Levkovich esw_attr->out_count++; 3817ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 3818ef381359SOz Shlomo /* All mlx5 devices are called to configure 3819ef381359SOz Shlomo * high level device filters. Therefore, the 3820ef381359SOz Shlomo * *attempt* to install a filter on invalid 3821ef381359SOz Shlomo * eswitch should not trigger an explicit error 3822ef381359SOz Shlomo */ 3823ef381359SOz Shlomo return -EINVAL; 3824a54e20b4SHadar Hen Zion } else { 3825e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3826e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 38274ccd83f4SRoi Dayan netdev_warn(priv->netdev, 38284ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 38294ccd83f4SRoi Dayan priv->netdev->name, 38304ccd83f4SRoi Dayan out_dev->name); 3831a54e20b4SHadar Hen Zion return -EINVAL; 3832a54e20b4SHadar Hen Zion } 3833a54e20b4SHadar Hen Zion } 383473867881SPablo Neira Ayuso break; 383573867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 383673867881SPablo Neira Ayuso info = act->tunnel; 3837a54e20b4SHadar Hen Zion if (info) 3838a54e20b4SHadar Hen Zion encap = true; 3839a54e20b4SHadar Hen Zion else 3840a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 384103a9d11eSOr Gerlitz 384273867881SPablo Neira Ayuso break; 384373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 384473867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 384576b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 384676b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 384776b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 384876b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 384976b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 385076b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 385176b496b1SEli Britstein act, parse_attr, hdrs, 385276b496b1SEli Britstein &action, extack); 385376b496b1SEli Britstein } else { 3854c620b772SAriel Levkovich err = parse_tc_vlan_action(priv, act, esw_attr, &action); 385576b496b1SEli Britstein } 38561482bd3dSJianbo Liu if (err) 38571482bd3dSJianbo Liu return err; 38581482bd3dSJianbo Liu 3859c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 386073867881SPablo Neira Ayuso break; 3861bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3862bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3863bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 3864bdc837eeSEli Britstein act, parse_attr, hdrs, 3865bdc837eeSEli Britstein &action, extack); 3866bdc837eeSEli Britstein if (err) 3867bdc837eeSEli Britstein return err; 3868bdc837eeSEli Britstein 3869c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 3870bdc837eeSEli Britstein break; 387173867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 38720a7fcb78SPaul Blakey decap = true; 387373867881SPablo Neira Ayuso break; 38742fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 3875c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 38762fbbc30dSEli Cohen extack); 38772fbbc30dSEli Cohen if (err) 38782fbbc30dSEli Cohen return err; 3879bf07aa73SPaul Blakey 3880e88afe75SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; 38812fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 388273867881SPablo Neira Ayuso break; 38834c3844d9SPaul Blakey case FLOW_ACTION_CT: 3884aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 38854c3844d9SPaul Blakey if (err) 38864c3844d9SPaul Blakey return err; 38874c3844d9SPaul Blakey 38884c3844d9SPaul Blakey flow_flag_set(flow, CT); 388969e2916eSPaul Blakey esw_attr->split_count = esw_attr->out_count; 38904c3844d9SPaul Blakey break; 389173867881SPablo Neira Ayuso default: 38922cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, "The offload action is not supported"); 38932cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 389403a9d11eSOr Gerlitz } 389573867881SPablo Neira Ayuso } 3896bdd66ac0SOr Gerlitz 3897a508728aSVlad Buslov /* always set IP version for indirect table handling */ 3898a508728aSVlad Buslov attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 3899a508728aSVlad Buslov 39000bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 39010bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 39020bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 39030bac1194SEli Britstein * tag rewrite. 39040bac1194SEli Britstein */ 39050bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 39060bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 39070bac1194SEli Britstein &action, extack); 39080bac1194SEli Britstein if (err) 39090bac1194SEli Britstein return err; 39100bac1194SEli Britstein } 39110bac1194SEli Britstein 3912c500c86bSPablo Neira Ayuso if (hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits || 3913c500c86bSPablo Neira Ayuso hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) { 391484be899fSTonghao Zhang err = alloc_tc_pedit_action(priv, MLX5_FLOW_NAMESPACE_FDB, 391527c11b6bSEli Britstein parse_attr, hdrs, &action, extack); 3916c500c86bSPablo Neira Ayuso if (err) 3917c500c86bSPablo Neira Ayuso return err; 391827c11b6bSEli Britstein /* in case all pedit actions are skipped, remove the MOD_HDR 391927c11b6bSEli Britstein * flag. we might have set split_count either by pedit or 392027c11b6bSEli Britstein * pop/push. if there is no pop/push either, reset it too. 392127c11b6bSEli Britstein */ 39226ae4a6a5SPaul Blakey if (parse_attr->mod_hdr_acts.num_actions == 0) { 392327c11b6bSEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 39246ae4a6a5SPaul Blakey dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 392527c11b6bSEli Britstein if (!((action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 392627c11b6bSEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3927c620b772SAriel Levkovich esw_attr->split_count = 0; 392827c11b6bSEli Britstein } 3929c500c86bSPablo Neira Ayuso } 3930c500c86bSPablo Neira Ayuso 39311cab1cd7SOr Gerlitz attr->action = action; 393273867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3933bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3934bdd66ac0SOr Gerlitz 3935e88afe75SOr Gerlitz if (attr->dest_chain) { 39360a7fcb78SPaul Blakey if (decap) { 39370a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 39380a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 39390a7fcb78SPaul Blakey * this tunnel id with this decap flow. 39400a7fcb78SPaul Blakey * 39410a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 39420a7fcb78SPaul Blakey * device. 39430a7fcb78SPaul Blakey */ 39440a7fcb78SPaul Blakey 39450a7fcb78SPaul Blakey NL_SET_ERR_MSG(extack, 39460a7fcb78SPaul Blakey "Decap with goto isn't supported"); 39470a7fcb78SPaul Blakey netdev_warn(priv->netdev, 39480a7fcb78SPaul Blakey "Decap with goto isn't supported"); 39490a7fcb78SPaul Blakey return -EOPNOTSUPP; 39500a7fcb78SPaul Blakey } 39510a7fcb78SPaul Blakey 3952e88afe75SOr Gerlitz attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3953e88afe75SOr Gerlitz } 3954e88afe75SOr Gerlitz 3955ae2741e2SVlad Buslov if (!(attr->action & 3956ae2741e2SVlad Buslov (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 395761644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 395861644c3dSRoi Dayan "Rule must have at least one forward/drop action"); 3959ae2741e2SVlad Buslov return -EOPNOTSUPP; 3960ae2741e2SVlad Buslov } 3961ae2741e2SVlad Buslov 3962c620b772SAriel Levkovich if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3963e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3964e98bedf5SEli Britstein "current firmware doesn't support split rule for port mirroring"); 3965592d3651SChris Mi netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n"); 3966592d3651SChris Mi return -EOPNOTSUPP; 3967592d3651SChris Mi } 3968592d3651SChris Mi 396931c8eba5SOr Gerlitz return 0; 397003a9d11eSOr Gerlitz } 397103a9d11eSOr Gerlitz 3972226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 397360bd4af8SOr Gerlitz { 3974226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 397560bd4af8SOr Gerlitz 3976226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3977226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3978226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3979226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 398060bd4af8SOr Gerlitz 3981226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3982226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3983226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3984226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 398584179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 398684179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 3987d9ee0491SOr Gerlitz 398860bd4af8SOr Gerlitz *flow_flags = __flow_flags; 398960bd4af8SOr Gerlitz } 399060bd4af8SOr Gerlitz 399105866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 399205866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 399305866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 399405866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 399505866c82SOr Gerlitz .automatic_shrinking = true, 399605866c82SOr Gerlitz }; 399705866c82SOr Gerlitz 3998226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3999226f2ca3SVlad Buslov unsigned long flags) 400005866c82SOr Gerlitz { 4001655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4002655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4003655dc3d2SOr Gerlitz 4004226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4005655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4006ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4007d9ee0491SOr Gerlitz } else /* NIC offload */ 400805866c82SOr Gerlitz return &priv->fs.tc.ht; 400905866c82SOr Gerlitz } 401005866c82SOr Gerlitz 401104de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 401204de7ddaSRoi Dayan { 4013c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4014c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4015c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4016226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 40171418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 40181418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4019c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 40201418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 40211418ddd9SAviv Heller 402210fbb1cdSRoi Dayan if (!esw_paired) 402310fbb1cdSRoi Dayan return false; 402410fbb1cdSRoi Dayan 4025c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4026c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 402710fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 402810fbb1cdSRoi Dayan return true; 402910fbb1cdSRoi Dayan 403010fbb1cdSRoi Dayan return false; 403104de7ddaSRoi Dayan } 403204de7ddaSRoi Dayan 4033c620b772SAriel Levkovich struct mlx5_flow_attr * 4034c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4035c620b772SAriel Levkovich { 4036c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4037c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4038c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4039c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4040c620b772SAriel Levkovich 4041c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 4042c620b772SAriel Levkovich } 4043c620b772SAriel Levkovich 4044a88780a9SRoi Dayan static int 4045a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4046226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4047a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4048a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4049e3a2b7edSAmir Vadai { 405017091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4051c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 40523bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4053ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4054ff7ea04aSGustavo A. R. Silva int out_index; 4055776b12b6SOr Gerlitz 4056c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 40571b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4058ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4059ff7ea04aSGustavo A. R. Silva goto err_free; 4060c620b772SAriel Levkovich 4061c620b772SAriel Levkovich flow->flags = flow_flags; 4062c620b772SAriel Levkovich flow->cookie = f->cookie; 4063c620b772SAriel Levkovich flow->priv = priv; 4064c620b772SAriel Levkovich 4065c620b772SAriel Levkovich attr = mlx5_alloc_flow_attr(get_flow_name_space(flow)); 4066ff7ea04aSGustavo A. R. Silva if (!attr) 4067e3a2b7edSAmir Vadai goto err_free; 4068ff7ea04aSGustavo A. R. Silva 4069c620b772SAriel Levkovich flow->attr = attr; 4070e3a2b7edSAmir Vadai 40715a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 40725a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 40735a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 407414e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 40755a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 407695435ad7SVlad Buslov init_completion(&flow->init_done); 4077e3a2b7edSAmir Vadai 4078a88780a9SRoi Dayan *__flow = flow; 4079a88780a9SRoi Dayan *__parse_attr = parse_attr; 4080a88780a9SRoi Dayan 4081a88780a9SRoi Dayan return 0; 4082a88780a9SRoi Dayan 4083a88780a9SRoi Dayan err_free: 4084a88780a9SRoi Dayan kfree(flow); 4085a88780a9SRoi Dayan kvfree(parse_attr); 4086a88780a9SRoi Dayan return err; 4087adb4c123SOr Gerlitz } 4088adb4c123SOr Gerlitz 4089988ab9c7STonghao Zhang static void 4090c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4091c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4092c7569097SAriel Levkovich struct flow_cls_offload *f) 4093c7569097SAriel Levkovich { 4094c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4095c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4096c7569097SAriel Levkovich attr->prio = f->common.prio; 4097c7569097SAriel Levkovich } 4098c7569097SAriel Levkovich 4099c7569097SAriel Levkovich static void 4100c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4101988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4102988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4103f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4104988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4105988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4106988ab9c7STonghao Zhang { 4107988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4108c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4109988ab9c7STonghao Zhang 4110c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4111988ab9c7STonghao Zhang 4112988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4113988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4114988ab9c7STonghao Zhang 4115988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4116988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4117988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4118988ab9c7STonghao Zhang else 4119988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4120988ab9c7STonghao Zhang } 4121988ab9c7STonghao Zhang 412271129676SJason Gunthorpe static struct mlx5e_tc_flow * 412304de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4124f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4125226f2ca3SVlad Buslov unsigned long flow_flags, 4126d11afc26SOz Shlomo struct net_device *filter_dev, 412704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 412871129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4129a88780a9SRoi Dayan { 4130f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4131a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4132a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4133a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4134a88780a9SRoi Dayan int attr_size, err; 4135a88780a9SRoi Dayan 4136226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4137a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4138a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4139a88780a9SRoi Dayan &parse_attr, &flow); 4140a88780a9SRoi Dayan if (err) 4141a88780a9SRoi Dayan goto out; 4142988ab9c7STonghao Zhang 4143d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4144c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4145988ab9c7STonghao Zhang priv, parse_attr, 4146988ab9c7STonghao Zhang f, in_rep, in_mdev); 4147988ab9c7STonghao Zhang 414854c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 414954c177caSOz Shlomo f, filter_dev); 4150d11afc26SOz Shlomo if (err) 4151d11afc26SOz Shlomo goto err_free; 4152a88780a9SRoi Dayan 41537e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4154aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4155c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4156a88780a9SRoi Dayan if (err) 4157a88780a9SRoi Dayan goto err_free; 4158a88780a9SRoi Dayan 41597e36feebSPaul Blakey err = parse_tc_fdb_actions(priv, &rule->action, flow, extack, filter_dev); 41604c3844d9SPaul Blakey if (err) 41614c3844d9SPaul Blakey goto err_free; 41624c3844d9SPaul Blakey 41637040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 416495435ad7SVlad Buslov complete_all(&flow->init_done); 4165ef06c9eeSRoi Dayan if (err) { 4166ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4167aa0cbbaeSOr Gerlitz goto err_free; 41685c40348cSOr Gerlitz 4169b4a23329SRoi Dayan add_unready_flow(flow); 4170ef06c9eeSRoi Dayan } 4171ef06c9eeSRoi Dayan 417271129676SJason Gunthorpe return flow; 4173e3a2b7edSAmir Vadai 4174e3a2b7edSAmir Vadai err_free: 41755a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4176a88780a9SRoi Dayan out: 417771129676SJason Gunthorpe return ERR_PTR(err); 4178a88780a9SRoi Dayan } 4179a88780a9SRoi Dayan 4180f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 418195dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4182226f2ca3SVlad Buslov unsigned long flow_flags) 418304de7ddaSRoi Dayan { 418404de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 418504de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4186c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 418704de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 418804de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 418904de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 419004de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 419104de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 419204de7ddaSRoi Dayan int err = 0; 419304de7ddaSRoi Dayan 419404de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 419504de7ddaSRoi Dayan if (!peer_esw) 419604de7ddaSRoi Dayan return -ENODEV; 419704de7ddaSRoi Dayan 419804de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 419904de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 420004de7ddaSRoi Dayan 420104de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 420204de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 420304de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 420404de7ddaSRoi Dayan * peer mdev. 420504de7ddaSRoi Dayan */ 4206c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 420704de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 420804de7ddaSRoi Dayan else 420904de7ddaSRoi Dayan in_mdev = priv->mdev; 421004de7ddaSRoi Dayan 4211c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 421295dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 421304de7ddaSRoi Dayan parse_attr->filter_dev, 4214c620b772SAriel Levkovich attr->in_rep, in_mdev); 421571129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 421671129676SJason Gunthorpe err = PTR_ERR(peer_flow); 421704de7ddaSRoi Dayan goto out; 421871129676SJason Gunthorpe } 421904de7ddaSRoi Dayan 422004de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4221226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 422204de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 422304de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 422404de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 422504de7ddaSRoi Dayan 422604de7ddaSRoi Dayan out: 422704de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 422804de7ddaSRoi Dayan return err; 422904de7ddaSRoi Dayan } 423004de7ddaSRoi Dayan 423104de7ddaSRoi Dayan static int 423204de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4233f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4234226f2ca3SVlad Buslov unsigned long flow_flags, 423504de7ddaSRoi Dayan struct net_device *filter_dev, 423604de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 423704de7ddaSRoi Dayan { 423804de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 423904de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 424004de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 424104de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 424204de7ddaSRoi Dayan int err; 424304de7ddaSRoi Dayan 424471129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 424571129676SJason Gunthorpe in_mdev); 424671129676SJason Gunthorpe if (IS_ERR(flow)) 424771129676SJason Gunthorpe return PTR_ERR(flow); 424804de7ddaSRoi Dayan 424904de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 425095dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 425104de7ddaSRoi Dayan if (err) { 425204de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 425304de7ddaSRoi Dayan goto out; 425404de7ddaSRoi Dayan } 425504de7ddaSRoi Dayan } 425604de7ddaSRoi Dayan 425704de7ddaSRoi Dayan *__flow = flow; 425804de7ddaSRoi Dayan 425904de7ddaSRoi Dayan return 0; 426004de7ddaSRoi Dayan 426104de7ddaSRoi Dayan out: 426204de7ddaSRoi Dayan return err; 426304de7ddaSRoi Dayan } 426404de7ddaSRoi Dayan 4265a88780a9SRoi Dayan static int 4266a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4267f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4268226f2ca3SVlad Buslov unsigned long flow_flags, 4269d11afc26SOz Shlomo struct net_device *filter_dev, 4270a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4271a88780a9SRoi Dayan { 4272f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4273a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4274a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4275a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4276a88780a9SRoi Dayan int attr_size, err; 4277a88780a9SRoi Dayan 4278c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4279bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4280bf07aa73SPaul Blakey return -EOPNOTSUPP; 4281c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4282c7569097SAriel Levkovich return -EOPNOTSUPP; 4283c7569097SAriel Levkovich } 4284bf07aa73SPaul Blakey 4285226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4286a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4287a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4288a88780a9SRoi Dayan &parse_attr, &flow); 4289a88780a9SRoi Dayan if (err) 4290a88780a9SRoi Dayan goto out; 4291a88780a9SRoi Dayan 4292d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4293c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4294c7569097SAriel Levkovich 429554c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 429654c177caSOz Shlomo f, filter_dev); 4297d11afc26SOz Shlomo if (err) 4298d11afc26SOz Shlomo goto err_free; 4299d11afc26SOz Shlomo 4300aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4301aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4302aedd133dSAriel Levkovich if (err) 4303aedd133dSAriel Levkovich goto err_free; 4304aedd133dSAriel Levkovich 430573867881SPablo Neira Ayuso err = parse_tc_nic_actions(priv, &rule->action, parse_attr, flow, extack); 4306a88780a9SRoi Dayan if (err) 4307a88780a9SRoi Dayan goto err_free; 4308a88780a9SRoi Dayan 4309a88780a9SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, parse_attr, flow, extack); 4310a88780a9SRoi Dayan if (err) 4311a88780a9SRoi Dayan goto err_free; 4312a88780a9SRoi Dayan 4313226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4314a88780a9SRoi Dayan *__flow = flow; 4315a88780a9SRoi Dayan 4316a88780a9SRoi Dayan return 0; 4317a88780a9SRoi Dayan 4318a88780a9SRoi Dayan err_free: 43198914add2SVlad Buslov flow_flag_set(flow, FAILED); 4320e68e28b4SMaor Dickman dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); 43215a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4322a88780a9SRoi Dayan out: 4323a88780a9SRoi Dayan return err; 4324a88780a9SRoi Dayan } 4325a88780a9SRoi Dayan 4326a88780a9SRoi Dayan static int 4327a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4328f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4329226f2ca3SVlad Buslov unsigned long flags, 4330d11afc26SOz Shlomo struct net_device *filter_dev, 4331a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4332a88780a9SRoi Dayan { 4333a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4334226f2ca3SVlad Buslov unsigned long flow_flags; 4335a88780a9SRoi Dayan int err; 4336a88780a9SRoi Dayan 4337a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4338a88780a9SRoi Dayan 4339bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4340bf07aa73SPaul Blakey return -EOPNOTSUPP; 4341bf07aa73SPaul Blakey 4342f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4343d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4344d11afc26SOz Shlomo filter_dev, flow); 4345a88780a9SRoi Dayan else 4346d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4347d11afc26SOz Shlomo filter_dev, flow); 4348a88780a9SRoi Dayan 4349a88780a9SRoi Dayan return err; 4350a88780a9SRoi Dayan } 4351a88780a9SRoi Dayan 4352553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4353553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4354553f9328SVu Pham { 4355553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 43562fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 43572fb15e72SVlad Buslov * function is called from NIC mode. 4358553f9328SVu Pham */ 43592fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4360553f9328SVu Pham } 4361553f9328SVu Pham 436271d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4363226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4364a88780a9SRoi Dayan { 4365a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4366d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4367553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4368a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4369a88780a9SRoi Dayan int err = 0; 4370a88780a9SRoi Dayan 43717dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 43727dc84de9SRoi Dayan return -EAGAIN; 43737dc84de9SRoi Dayan 43747dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 43757dc84de9SRoi Dayan 4376c5d326b2SVlad Buslov rcu_read_lock(); 4377c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4378a88780a9SRoi Dayan if (flow) { 4379553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4380553f9328SVu Pham * just return 0. 4381553f9328SVu Pham */ 4382553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4383c1aea9e1SVlad Buslov goto rcu_unlock; 4384553f9328SVu Pham 4385a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4386a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4387a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4388a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4389a88780a9SRoi Dayan f->cookie); 43900e1c1a2fSVlad Buslov err = -EEXIST; 4391c1aea9e1SVlad Buslov goto rcu_unlock; 4392a88780a9SRoi Dayan } 4393c1aea9e1SVlad Buslov rcu_unlock: 4394c1aea9e1SVlad Buslov rcu_read_unlock(); 4395c1aea9e1SVlad Buslov if (flow) 4396c1aea9e1SVlad Buslov goto out; 4397a88780a9SRoi Dayan 43987a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4399d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4400a88780a9SRoi Dayan if (err) 4401a88780a9SRoi Dayan goto out; 4402a88780a9SRoi Dayan 4403553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4404553f9328SVu Pham * set the flow's owner dev. 4405553f9328SVu Pham */ 4406553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4407553f9328SVu Pham flow->orig_dev = dev; 4408553f9328SVu Pham 4409c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4410a88780a9SRoi Dayan if (err) 4411a88780a9SRoi Dayan goto err_free; 4412a88780a9SRoi Dayan 44137dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4414a88780a9SRoi Dayan return 0; 4415a88780a9SRoi Dayan 4416a88780a9SRoi Dayan err_free: 44175a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4418a88780a9SRoi Dayan out: 44197dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 44207dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4421e3a2b7edSAmir Vadai return err; 4422e3a2b7edSAmir Vadai } 4423e3a2b7edSAmir Vadai 44248f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 44258f8ae895SOr Gerlitz { 4426226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4427226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 44288f8ae895SOr Gerlitz 4429226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4430226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 44318f8ae895SOr Gerlitz } 44328f8ae895SOr Gerlitz 443371d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4434226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4435e3a2b7edSAmir Vadai { 4436d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4437e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4438c5d326b2SVlad Buslov int err; 4439e3a2b7edSAmir Vadai 4440c5d326b2SVlad Buslov rcu_read_lock(); 4441ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4442c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4443c5d326b2SVlad Buslov err = -EINVAL; 4444c5d326b2SVlad Buslov goto errout; 4445c5d326b2SVlad Buslov } 4446e3a2b7edSAmir Vadai 4447c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4448c5d326b2SVlad Buslov * set. 4449c5d326b2SVlad Buslov */ 4450c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4451c5d326b2SVlad Buslov err = -EINVAL; 4452c5d326b2SVlad Buslov goto errout; 4453c5d326b2SVlad Buslov } 445405866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4455c5d326b2SVlad Buslov rcu_read_unlock(); 4456e3a2b7edSAmir Vadai 44577a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 44585a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4459e3a2b7edSAmir Vadai 44607dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4461e3a2b7edSAmir Vadai return 0; 4462c5d326b2SVlad Buslov 4463c5d326b2SVlad Buslov errout: 4464c5d326b2SVlad Buslov rcu_read_unlock(); 4465c5d326b2SVlad Buslov return err; 4466e3a2b7edSAmir Vadai } 4467e3a2b7edSAmir Vadai 446871d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4469226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4470aad7e08dSAmir Vadai { 447104de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4472d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 447304de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4474aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4475aad7e08dSAmir Vadai struct mlx5_fc *counter; 4476316d5f72SRoi Dayan u64 lastuse = 0; 4477316d5f72SRoi Dayan u64 packets = 0; 4478316d5f72SRoi Dayan u64 bytes = 0; 44795a7e5bcbSVlad Buslov int err = 0; 4480aad7e08dSAmir Vadai 4481c5d326b2SVlad Buslov rcu_read_lock(); 4482c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 44835a7e5bcbSVlad Buslov tc_ht_params)); 4484c5d326b2SVlad Buslov rcu_read_unlock(); 44855a7e5bcbSVlad Buslov if (IS_ERR(flow)) 44865a7e5bcbSVlad Buslov return PTR_ERR(flow); 44875a7e5bcbSVlad Buslov 44885a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 44895a7e5bcbSVlad Buslov err = -EINVAL; 44905a7e5bcbSVlad Buslov goto errout; 44915a7e5bcbSVlad Buslov } 4492aad7e08dSAmir Vadai 44934c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4494b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4495aad7e08dSAmir Vadai if (!counter) 44965a7e5bcbSVlad Buslov goto errout; 4497aad7e08dSAmir Vadai 4498aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4499316d5f72SRoi Dayan } 4500aad7e08dSAmir Vadai 4501316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4502316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4503316d5f72SRoi Dayan */ 450404de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 450504de7ddaSRoi Dayan if (!peer_esw) 450604de7ddaSRoi Dayan goto out; 450704de7ddaSRoi Dayan 4508226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4509226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 451004de7ddaSRoi Dayan u64 bytes2; 451104de7ddaSRoi Dayan u64 packets2; 451204de7ddaSRoi Dayan u64 lastuse2; 451304de7ddaSRoi Dayan 451404de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4515316d5f72SRoi Dayan if (!counter) 4516316d5f72SRoi Dayan goto no_peer_counter; 451704de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 451804de7ddaSRoi Dayan 451904de7ddaSRoi Dayan bytes += bytes2; 452004de7ddaSRoi Dayan packets += packets2; 452104de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 452204de7ddaSRoi Dayan } 452304de7ddaSRoi Dayan 4524316d5f72SRoi Dayan no_peer_counter: 452504de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 452604de7ddaSRoi Dayan out: 45274b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 452893a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 45297a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 45305a7e5bcbSVlad Buslov errout: 45315a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 45325a7e5bcbSVlad Buslov return err; 4533aad7e08dSAmir Vadai } 4534aad7e08dSAmir Vadai 45351fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4536fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4537fcb64c0fSEli Cohen { 4538fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4539fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 45401fe3e316SParav Pandit u32 rate_mbps = 0; 4541fcb64c0fSEli Cohen u16 vport_num; 4542fcb64c0fSEli Cohen int err; 4543fcb64c0fSEli Cohen 4544e401a184SEli Cohen vport_num = rpriv->rep->vport; 4545e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4546e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4547e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4548e401a184SEli Cohen return -EOPNOTSUPP; 4549e401a184SEli Cohen } 4550e401a184SEli Cohen 4551fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4552fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4553fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4554fcb64c0fSEli Cohen * mbit means million bits. 4555fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4556fcb64c0fSEli Cohen * 1 mbit/sec. 4557fcb64c0fSEli Cohen */ 45581fe3e316SParav Pandit if (rate) { 45591fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 45608b90d897SParav Pandit do_div(rate, 1000000); 45618b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 45621fe3e316SParav Pandit } 45631fe3e316SParav Pandit 4564fcb64c0fSEli Cohen err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps); 4565fcb64c0fSEli Cohen if (err) 4566fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4567fcb64c0fSEli Cohen 4568fcb64c0fSEli Cohen return err; 4569fcb64c0fSEli Cohen } 4570fcb64c0fSEli Cohen 4571fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4572fcb64c0fSEli Cohen struct flow_action *flow_action, 4573fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4574fcb64c0fSEli Cohen { 4575fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4576fcb64c0fSEli Cohen const struct flow_action_entry *act; 4577fcb64c0fSEli Cohen int err; 4578fcb64c0fSEli Cohen int i; 4579fcb64c0fSEli Cohen 4580fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4581fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4582fcb64c0fSEli Cohen return -EINVAL; 4583fcb64c0fSEli Cohen } 4584fcb64c0fSEli Cohen 4585fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4586fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4587fcb64c0fSEli Cohen return -EOPNOTSUPP; 4588fcb64c0fSEli Cohen } 4589fcb64c0fSEli Cohen 459053eca1f3SJakub Kicinski if (!flow_action_basic_hw_stats_check(flow_action, extack)) 4591319a1d19SJiri Pirko return -EOPNOTSUPP; 4592319a1d19SJiri Pirko 4593fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4594fcb64c0fSEli Cohen switch (act->id) { 4595fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 45966a56e199SBaowen Zheng if (act->police.rate_pkt_ps) { 45976a56e199SBaowen Zheng NL_SET_ERR_MSG_MOD(extack, "QoS offload not support packets per second"); 45986a56e199SBaowen Zheng return -EOPNOTSUPP; 45996a56e199SBaowen Zheng } 4600fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4601fcb64c0fSEli Cohen if (err) 4602fcb64c0fSEli Cohen return err; 4603fcb64c0fSEli Cohen 4604fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4605fcb64c0fSEli Cohen break; 4606fcb64c0fSEli Cohen default: 4607fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4608fcb64c0fSEli Cohen return -EOPNOTSUPP; 4609fcb64c0fSEli Cohen } 4610fcb64c0fSEli Cohen } 4611fcb64c0fSEli Cohen 4612fcb64c0fSEli Cohen return 0; 4613fcb64c0fSEli Cohen } 4614fcb64c0fSEli Cohen 4615fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4616fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4617fcb64c0fSEli Cohen { 4618b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4619fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4620fcb64c0fSEli Cohen 4621b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 4622b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 4623b5f814ccSEli Cohen return -EOPNOTSUPP; 4624b5f814ccSEli Cohen } 4625b5f814ccSEli Cohen 46267b83355fSEli Cohen if (ma->common.prio != 1) { 4627fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4628fcb64c0fSEli Cohen return -EINVAL; 4629fcb64c0fSEli Cohen } 4630fcb64c0fSEli Cohen 4631fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4632fcb64c0fSEli Cohen } 4633fcb64c0fSEli Cohen 4634fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4635fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4636fcb64c0fSEli Cohen { 4637fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4638fcb64c0fSEli Cohen 4639fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4640fcb64c0fSEli Cohen } 4641fcb64c0fSEli Cohen 4642fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4643fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4644fcb64c0fSEli Cohen { 4645fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4646fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4647fcb64c0fSEli Cohen u64 dbytes; 4648fcb64c0fSEli Cohen u64 dpkts; 4649fcb64c0fSEli Cohen 4650fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4651fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4652fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4653fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 46544b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 465593a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4656fcb64c0fSEli Cohen } 4657fcb64c0fSEli Cohen 46584d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 46594d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 46604d8fcf21SAlaa Hleihel { 46614d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4662db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4663db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 46644d8fcf21SAlaa Hleihel u16 peer_vhca_id; 46654d8fcf21SAlaa Hleihel int bkt; 46664d8fcf21SAlaa Hleihel 46674d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 46684d8fcf21SAlaa Hleihel return; 46694d8fcf21SAlaa Hleihel 46704d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 46714d8fcf21SAlaa Hleihel 4672b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4673db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4674db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4675db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4676b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4677db76ca24SVlad Buslov 4678db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4679db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4680db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4681db76ca24SVlad Buslov hpe->hp->pair->peer_gone = true; 4682db76ca24SVlad Buslov 4683db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4684db76ca24SVlad Buslov } 46854d8fcf21SAlaa Hleihel } 46864d8fcf21SAlaa Hleihel 46874d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 46884d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 46894d8fcf21SAlaa Hleihel { 46904d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 46914d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 46924d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 46934d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 46944d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 46954d8fcf21SAlaa Hleihel 46964d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 46974d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 46984d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 46994d8fcf21SAlaa Hleihel return NOTIFY_DONE; 47004d8fcf21SAlaa Hleihel 47014d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 47024d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 47034d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 47044d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 47054d8fcf21SAlaa Hleihel if (priv == peer_priv || 47064d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 47074d8fcf21SAlaa Hleihel return NOTIFY_DONE; 47084d8fcf21SAlaa Hleihel 47094d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 47104d8fcf21SAlaa Hleihel 47114d8fcf21SAlaa Hleihel return NOTIFY_DONE; 47124d8fcf21SAlaa Hleihel } 47134d8fcf21SAlaa Hleihel 47146a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 47156a064674SAriel Levkovich { 47166a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 47176a064674SAriel Levkovich u32 max_flow_counter; 47186a064674SAriel Levkovich 47196a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 47206a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 47216a064674SAriel Levkovich 47226a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 47236a064674SAriel Levkovich 47246a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 47256a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 47266a064674SAriel Levkovich 47276a064674SAriel Levkovich return tc_tbl_size; 47286a064674SAriel Levkovich } 47296a064674SAriel Levkovich 4730655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4731e8f887acSAmir Vadai { 4732acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 47336a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 47346a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 47354d8fcf21SAlaa Hleihel int err; 4736e8f887acSAmir Vadai 4737b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4738b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4739b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 47405c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 474111c9c548SOr Gerlitz 47424d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 47434d8fcf21SAlaa Hleihel if (err) 47444d8fcf21SAlaa Hleihel return err; 47454d8fcf21SAlaa Hleihel 47469ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 47479ba33339SRoi Dayan 4748c7569097SAriel Levkovich if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4749c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 4750c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 4751c7569097SAriel Levkovich attr.max_restore_tag = MLX5E_TC_TABLE_CHAIN_TAG_MASK; 4752c7569097SAriel Levkovich } 47536a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 47546a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 47556a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 47566a064674SAriel Levkovich attr.default_ft = priv->fs.vlan.ft.t; 47576a064674SAriel Levkovich 47586a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 47596a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 47606a064674SAriel Levkovich err = PTR_ERR(tc->chains); 47616a064674SAriel Levkovich goto err_chains; 47626a064674SAriel Levkovich } 47636a064674SAriel Levkovich 4764aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 4765aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_KERNEL); 4766aedd133dSAriel Levkovich 47674d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4768d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4769d48834f9SJiri Pirko &tc->netdevice_nb, 4770d48834f9SJiri Pirko &tc->netdevice_nn); 4771d48834f9SJiri Pirko if (err) { 47724d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 47734d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 47746a064674SAriel Levkovich goto err_reg; 47754d8fcf21SAlaa Hleihel } 47764d8fcf21SAlaa Hleihel 47776a064674SAriel Levkovich return 0; 47786a064674SAriel Levkovich 47796a064674SAriel Levkovich err_reg: 4780aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 47816a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 47826a064674SAriel Levkovich err_chains: 47836a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 47844d8fcf21SAlaa Hleihel return err; 4785e8f887acSAmir Vadai } 4786e8f887acSAmir Vadai 4787e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4788e8f887acSAmir Vadai { 4789e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4790655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4791e8f887acSAmir Vadai 4792961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4793e8f887acSAmir Vadai kfree(flow); 4794e8f887acSAmir Vadai } 4795e8f887acSAmir Vadai 4796655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4797e8f887acSAmir Vadai { 4798acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4799e8f887acSAmir Vadai 48004d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4801d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4802d48834f9SJiri Pirko &tc->netdevice_nb, 4803d48834f9SJiri Pirko &tc->netdevice_nn); 48044d8fcf21SAlaa Hleihel 4805b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 4806b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4807b32accdaSVlad Buslov 48086a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 4809e8f887acSAmir Vadai 4810acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 48116a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 4812acff797cSMaor Gottlieb tc->t = NULL; 4813e8f887acSAmir Vadai } 4814b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 48156a064674SAriel Levkovich 4816aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 48176a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 4818e8f887acSAmir Vadai } 4819655dc3d2SOr Gerlitz 4820655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4821655dc3d2SOr Gerlitz { 4822d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 48230a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 4824aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 48250a7fcb78SPaul Blakey struct mapping_ctx *mapping; 4826aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 4827aedd133dSAriel Levkovich struct mlx5e_priv *priv; 4828aedd133dSAriel Levkovich int err = 0; 48290a7fcb78SPaul Blakey 48300a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 4831aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 4832aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 4833aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 48340a7fcb78SPaul Blakey 4835aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 4836aedd133dSAriel Levkovich esw_chains(esw), 4837aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 4838aedd133dSAriel Levkovich MLX5_FLOW_NAMESPACE_FDB); 48394c3844d9SPaul Blakey 48400a7fcb78SPaul Blakey mapping = mapping_create(sizeof(struct tunnel_match_key), 48410a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 48420a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 48430a7fcb78SPaul Blakey err = PTR_ERR(mapping); 48440a7fcb78SPaul Blakey goto err_tun_mapping; 48450a7fcb78SPaul Blakey } 48460a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 48470a7fcb78SPaul Blakey 48488e404fefSVlad Buslov /* 0xFFF is reserved for stack devices slow path table mark */ 48498e404fefSVlad Buslov mapping = mapping_create(sz_enc_opts, ENC_OPTS_BITS_MASK - 1, true); 48500a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 48510a7fcb78SPaul Blakey err = PTR_ERR(mapping); 48520a7fcb78SPaul Blakey goto err_enc_opts_mapping; 48530a7fcb78SPaul Blakey } 48540a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 48550a7fcb78SPaul Blakey 48560a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 48570a7fcb78SPaul Blakey if (err) 48580a7fcb78SPaul Blakey goto err_ht_init; 48590a7fcb78SPaul Blakey 48609ba33339SRoi Dayan lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 48619ba33339SRoi Dayan 48628914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 48632b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 48642b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 48658914add2SVlad Buslov goto err_register_fib_notifier; 48662b6c3c1eSWei Yongjun } 48678914add2SVlad Buslov 48682b6c3c1eSWei Yongjun return 0; 48690a7fcb78SPaul Blakey 48708914add2SVlad Buslov err_register_fib_notifier: 48718914add2SVlad Buslov rhashtable_destroy(tc_ht); 48720a7fcb78SPaul Blakey err_ht_init: 48730a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 48740a7fcb78SPaul Blakey err_enc_opts_mapping: 48750a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 48760a7fcb78SPaul Blakey err_tun_mapping: 4877aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 48780a7fcb78SPaul Blakey netdev_warn(priv->netdev, 48790a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 48800a7fcb78SPaul Blakey return err; 4881655dc3d2SOr Gerlitz } 4882655dc3d2SOr Gerlitz 4883655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4884655dc3d2SOr Gerlitz { 48850a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 48860a7fcb78SPaul Blakey 48870a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 4888aedd133dSAriel Levkovich 48898914add2SVlad Buslov rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 48908914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 48918914add2SVlad Buslov 48920a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 48930a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 48944c3844d9SPaul Blakey 4895aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 4896655dc3d2SOr Gerlitz } 489701252a27SOr Gerlitz 4898226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 489901252a27SOr Gerlitz { 4900d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 490101252a27SOr Gerlitz 490201252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 490301252a27SOr Gerlitz } 490404de7ddaSRoi Dayan 490504de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 490604de7ddaSRoi Dayan { 490704de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 490804de7ddaSRoi Dayan 490904de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 491004de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 491104de7ddaSRoi Dayan } 4912b4a23329SRoi Dayan 4913b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4914b4a23329SRoi Dayan { 4915b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4916b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4917b4a23329SRoi Dayan reoffload_flows_work); 4918b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4919b4a23329SRoi Dayan 4920ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4921b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4922b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4923ad86755bSVlad Buslov unready_flow_del(flow); 4924b4a23329SRoi Dayan } 4925ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4926b4a23329SRoi Dayan } 4927e2394a61SVlad Buslov 4928e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 4929e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 4930e2394a61SVlad Buslov unsigned long flags) 4931e2394a61SVlad Buslov { 4932e2394a61SVlad Buslov switch (cls_flower->command) { 4933e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 4934e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 4935e2394a61SVlad Buslov flags); 4936e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 4937e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 4938e2394a61SVlad Buslov flags); 4939e2394a61SVlad Buslov case FLOW_CLS_STATS: 4940e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 4941e2394a61SVlad Buslov flags); 4942e2394a61SVlad Buslov default: 4943e2394a61SVlad Buslov return -EOPNOTSUPP; 4944e2394a61SVlad Buslov } 4945e2394a61SVlad Buslov } 4946e2394a61SVlad Buslov 4947e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 4948e2394a61SVlad Buslov void *cb_priv) 4949e2394a61SVlad Buslov { 4950ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 4951e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 4952e2394a61SVlad Buslov 49532ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 49542ff349c5SRoi Dayan return -EOPNOTSUPP; 49552ff349c5SRoi Dayan 4956ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 4957ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 4958ec9457a6SRoi Dayan else 4959ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 4960ec9457a6SRoi Dayan 4961e2394a61SVlad Buslov switch (type) { 4962e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 4963e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 4964e2394a61SVlad Buslov default: 4965e2394a61SVlad Buslov return -EOPNOTSUPP; 4966e2394a61SVlad Buslov } 4967e2394a61SVlad Buslov } 4968c7569097SAriel Levkovich 4969c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 4970c7569097SAriel Levkovich struct sk_buff *skb) 4971c7569097SAriel Levkovich { 4972c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 4973aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 4974c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 4975aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 4976c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 4977c7569097SAriel Levkovich int err; 4978c7569097SAriel Levkovich 4979c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 4980c7569097SAriel Levkovich 4981c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 4982c7569097SAriel Levkovich 4983c7569097SAriel Levkovich err = mlx5_get_chain_for_tag(nic_chains(priv), chain_tag, &chain); 4984c7569097SAriel Levkovich if (err) { 4985c7569097SAriel Levkovich netdev_dbg(priv->netdev, 4986c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 4987c7569097SAriel Levkovich chain_tag, err); 4988c7569097SAriel Levkovich return false; 4989c7569097SAriel Levkovich } 4990c7569097SAriel Levkovich 4991c7569097SAriel Levkovich if (chain) { 4992c7569097SAriel Levkovich tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT); 4993c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 4994c7569097SAriel Levkovich return false; 4995c7569097SAriel Levkovich 4996c7569097SAriel Levkovich tc_skb_ext->chain = chain; 4997aedd133dSAriel Levkovich 4998aedd133dSAriel Levkovich zone_restore_id = (reg_b >> REG_MAPPING_SHIFT(NIC_ZONE_RESTORE_TO_REG)) & 499948d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5000aedd133dSAriel Levkovich 5001aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5002aedd133dSAriel Levkovich zone_restore_id)) 5003aedd133dSAriel Levkovich return false; 5004c7569097SAriel Levkovich } 5005c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5006c7569097SAriel Levkovich 5007c7569097SAriel Levkovich return true; 5008c7569097SAriel Levkovich } 5009