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> 37e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 38e8f887acSAmir Vadai #include <linux/mlx5/device.h> 39e8f887acSAmir Vadai #include <linux/rhashtable.h> 405a7e5bcbSVlad Buslov #include <linux/refcount.h> 41db76ca24SVlad Buslov #include <linux/completion.h> 42f6dfb4c3SHadar Hen Zion #include <net/arp.h> 433616d08bSDavid Ahern #include <net/ipv6_stubs.h> 44f828ca6aSEli Cohen #include <net/bareudp.h> 45d34eb2fcSOr Gerlitz #include <net/bonding.h> 46e8f887acSAmir Vadai #include "en.h" 47f0da4daaSChris Mi #include "en/tc/post_act.h" 481d447a39SSaeed Mahameed #include "en_rep.h" 49768c3667SVlad Buslov #include "en/rep/tc.h" 50e2394a61SVlad Buslov #include "en/rep/neigh.h" 51232c0013SHadar Hen Zion #include "en_tc.h" 5203a9d11eSOr Gerlitz #include "eswitch.h" 533f6d08d1SOr Gerlitz #include "fs_core.h" 542c81bfd5SHuy Nguyen #include "en/port.h" 55101f4de9SOz Shlomo #include "en/tc_tun.h" 560a7fcb78SPaul Blakey #include "en/mapping.h" 574c3844d9SPaul Blakey #include "en/tc_ct.h" 58b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 590d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 600027d70cSChris Mi #include "en/tc/sample.h" 61fad54790SRoi Dayan #include "en/tc/act/act.h" 628ee72638SRoi Dayan #include "en/tc/act/vlan.h" 6304de7ddaSRoi Dayan #include "lib/devcom.h" 649272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 65ae430332SAriel Levkovich #include "lib/fs_chains.h" 667a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 671fe3e316SParav Pandit #include <asm/div64.h> 68016c8946SJakub Kicinski #include "lag/lag.h" 69016c8946SJakub Kicinski #include "lag/mp.h" 70e8f887acSAmir Vadai 71acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 726a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 73e8f887acSAmir Vadai 748f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 758f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 768f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 778f1e0b97SPaul Blakey .moffset = 0, 78ed2fe7baSPaul Blakey .mlen = 16, 798f1e0b97SPaul Blakey }, 8010742efcSVlad Buslov [VPORT_TO_REG] = { 8110742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 82ed2fe7baSPaul Blakey .moffset = 16, 83ed2fe7baSPaul Blakey .mlen = 16, 8410742efcSVlad Buslov }, 850a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 860a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 87ed2fe7baSPaul Blakey .moffset = 8, 88ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 890a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 900a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 910a7fcb78SPaul Blakey }, 924c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 93a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 944c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 954c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 964c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 974c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 9839c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 99c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 100c7569097SAriel Levkovich * jump between steering domains. 101c7569097SAriel Levkovich */ 102c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 103c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 104c7569097SAriel Levkovich .moffset = 0, 105ed2fe7baSPaul Blakey .mlen = 16, 106c7569097SAriel Levkovich }, 107aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1088f1e0b97SPaul Blakey }; 1098f1e0b97SPaul Blakey 1109ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1119ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1129ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1139ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1149ba33339SRoi Dayan * it's different than the ht->mutex here. 1159ba33339SRoi Dayan */ 1169ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1179ba33339SRoi Dayan 1180a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1190a7fcb78SPaul Blakey 1200a7fcb78SPaul Blakey void 1210a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1220a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 123ed2fe7baSPaul Blakey u32 val, 1240a7fcb78SPaul Blakey u32 mask) 1250a7fcb78SPaul Blakey { 126ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1270a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 128ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1290a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 130ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 131ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 132ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1330a7fcb78SPaul Blakey 1340a7fcb78SPaul Blakey fmask = headers_c + soffset; 1350a7fcb78SPaul Blakey fval = headers_v + soffset; 1360a7fcb78SPaul Blakey 137ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 138ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1390a7fcb78SPaul Blakey 140ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 141ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 142ed2fe7baSPaul Blakey 143ed2fe7baSPaul Blakey //move to correct offset 144ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 145ed2fe7baSPaul Blakey mask <<= moffset; 146ed2fe7baSPaul Blakey val <<= moffset; 147ed2fe7baSPaul Blakey max_mask <<= moffset; 148ed2fe7baSPaul Blakey 149ed2fe7baSPaul Blakey //zero val and mask 150ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 151ed2fe7baSPaul Blakey curr_val &= ~max_mask; 152ed2fe7baSPaul Blakey 153ed2fe7baSPaul Blakey //add current to mask 154ed2fe7baSPaul Blakey curr_mask |= mask; 155ed2fe7baSPaul Blakey curr_val |= val; 156ed2fe7baSPaul Blakey 157ed2fe7baSPaul Blakey //back to be32 and write 158ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 159ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 160ed2fe7baSPaul Blakey 161ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 162ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 1630a7fcb78SPaul Blakey 1640a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1650a7fcb78SPaul Blakey } 1660a7fcb78SPaul Blakey 1677e36feebSPaul Blakey void 1687e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1697e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 170ed2fe7baSPaul Blakey u32 *val, 1717e36feebSPaul Blakey u32 *mask) 1727e36feebSPaul Blakey { 173ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1747e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 175ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1767e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 177ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 178ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 179ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1807e36feebSPaul Blakey 1817e36feebSPaul Blakey fmask = headers_c + soffset; 1827e36feebSPaul Blakey fval = headers_v + soffset; 1837e36feebSPaul Blakey 184ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 185ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1867e36feebSPaul Blakey 187ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 188ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 189ed2fe7baSPaul Blakey 190ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 191ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 1927e36feebSPaul Blakey } 1937e36feebSPaul Blakey 1940a7fcb78SPaul Blakey int 195c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 1960a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 197aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 1980a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1990a7fcb78SPaul Blakey u32 data) 2000a7fcb78SPaul Blakey { 2010a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2020a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2030a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2040a7fcb78SPaul Blakey char *modact; 2050a7fcb78SPaul Blakey int err; 2060a7fcb78SPaul Blakey 2072c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2082c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2092c0e5cf5SPaul Blakey return PTR_ERR(modact); 2100a7fcb78SPaul Blakey 2110a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 212ed2fe7baSPaul Blakey if (mlen == 32) 2130a7fcb78SPaul Blakey mlen = 0; 2140a7fcb78SPaul Blakey 2150a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2160a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 217ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 218ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2190a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 220c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2210a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2220a7fcb78SPaul Blakey 223c7b9038dSVlad Buslov return err; 2240a7fcb78SPaul Blakey } 2250a7fcb78SPaul Blakey 22627484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 22727484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 22827484f71SAriel Levkovich { 22927484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 23027484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 23127484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 23227484f71SAriel Levkovich 23327484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 23427484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23527484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 23627484f71SAriel Levkovich 23727484f71SAriel Levkovich return uplink_priv->int_port_priv; 23827484f71SAriel Levkovich } 23927484f71SAriel Levkovich 24027484f71SAriel Levkovich return NULL; 24127484f71SAriel Levkovich } 24227484f71SAriel Levkovich 243aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 244aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 245aedd133dSAriel Levkovich { 246aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 247aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 248aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 249aedd133dSAriel Levkovich 250e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 251aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 252aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 253aedd133dSAriel Levkovich 254aedd133dSAriel Levkovich return uplink_priv->ct_priv; 255aedd133dSAriel Levkovich } 256aedd133dSAriel Levkovich 257aedd133dSAriel Levkovich return priv->fs.tc.ct; 258aedd133dSAriel Levkovich } 259aedd133dSAriel Levkovich 2600027d70cSChris Mi static struct mlx5e_tc_psample * 261f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 262f94d6389SChris Mi { 263f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 264f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 265f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 266f94d6389SChris Mi 267f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 268f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 269f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 270f94d6389SChris Mi 2710027d70cSChris Mi return uplink_priv->tc_psample; 272f94d6389SChris Mi } 273f94d6389SChris Mi 274f94d6389SChris Mi return NULL; 275f94d6389SChris Mi } 276f94d6389SChris Mi 277aedd133dSAriel Levkovich struct mlx5_flow_handle * 278aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 279aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 280aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 281aedd133dSAriel Levkovich { 282aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 283aedd133dSAriel Levkovich 284e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 285aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 286aedd133dSAriel Levkovich 287aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 288aedd133dSAriel Levkovich } 289aedd133dSAriel Levkovich 290aedd133dSAriel Levkovich void 291aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 292aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 293aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 294aedd133dSAriel Levkovich { 295aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 296aedd133dSAriel Levkovich 297e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 298aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 299aedd133dSAriel Levkovich 300aedd133dSAriel Levkovich return; 301aedd133dSAriel Levkovich } 302aedd133dSAriel Levkovich 303aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 304aedd133dSAriel Levkovich } 305aedd133dSAriel Levkovich 306c7b9038dSVlad Buslov int 307c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 308c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 309c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 310c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 311c7b9038dSVlad Buslov u32 data) 312c7b9038dSVlad Buslov { 313c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 314c7b9038dSVlad Buslov 315c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 316c7b9038dSVlad Buslov } 317c7b9038dSVlad Buslov 318c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 319c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 320c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 321c7b9038dSVlad Buslov int act_id, u32 data) 322c7b9038dSVlad Buslov { 323c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 324c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 325c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 326c7b9038dSVlad Buslov char *modact; 327c7b9038dSVlad Buslov 3282c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 329c7b9038dSVlad Buslov 330c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 331ed2fe7baSPaul Blakey if (mlen == 32) 332c7b9038dSVlad Buslov mlen = 0; 333c7b9038dSVlad Buslov 334c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 335c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 336ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 337ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 338c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 339c7b9038dSVlad Buslov } 340c7b9038dSVlad Buslov 34177ab67b7SOr Gerlitz struct mlx5e_hairpin { 34277ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 34377ab67b7SOr Gerlitz 34477ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3453f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 34677ab67b7SOr Gerlitz u32 tdn; 347a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 3483f6d08d1SOr Gerlitz 3493f6d08d1SOr Gerlitz int num_channels; 3503f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 351a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 352f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 35377ab67b7SOr Gerlitz }; 35477ab67b7SOr Gerlitz 3555c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3565c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3575c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3585c65c564SOr Gerlitz 35973edca73SVlad Buslov /* protects flows list */ 36073edca73SVlad Buslov spinlock_t flows_lock; 3615c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3625c65c564SOr Gerlitz struct list_head flows; 363db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 364db76ca24SVlad Buslov * function traversed them. 365db76ca24SVlad Buslov */ 366db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3675c65c564SOr Gerlitz 368d8822868SOr Gerlitz u16 peer_vhca_id; 369106be53bSOr Gerlitz u8 prio; 3705c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 371e4f9abbdSVlad Buslov refcount_t refcnt; 372db76ca24SVlad Buslov struct completion res_ready; 3735c65c564SOr Gerlitz }; 3745c65c564SOr Gerlitz 3755a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3765a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3775a7e5bcbSVlad Buslov 3780d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3795a7e5bcbSVlad Buslov { 3805a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3815a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3825a7e5bcbSVlad Buslov return flow; 3835a7e5bcbSVlad Buslov } 3845a7e5bcbSVlad Buslov 3850d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 3865a7e5bcbSVlad Buslov { 3875a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3885a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 389c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3905a7e5bcbSVlad Buslov } 3915a7e5bcbSVlad Buslov } 3925a7e5bcbSVlad Buslov 393aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 394226f2ca3SVlad Buslov { 395226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 396226f2ca3SVlad Buslov } 397226f2ca3SVlad Buslov 39867d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 39984179981SPaul Blakey { 40084179981SPaul Blakey return flow_flag_test(flow, FT); 40184179981SPaul Blakey } 40284179981SPaul Blakey 4030d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 404226f2ca3SVlad Buslov { 405226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 406226f2ca3SVlad Buslov } 407226f2ca3SVlad Buslov 408e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 409d2faae25SVlad Buslov { 410d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 411d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 412d2faae25SVlad Buslov } 413b2fdf3d0SPaul Blakey 414b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 415b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 416b2fdf3d0SPaul Blakey { 417b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 418b2fdf3d0SPaul Blakey 419e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 420b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 421b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 422b2fdf3d0SPaul Blakey } 423b2fdf3d0SPaul Blakey 42411c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 42511c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 42611c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 42711c9c548SOr Gerlitz { 428b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 429b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 43011c9c548SOr Gerlitz 431b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 432e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 433b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 434b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 435b2fdf3d0SPaul Blakey return PTR_ERR(mh); 43611c9c548SOr Gerlitz 437b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 438c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 439b2fdf3d0SPaul Blakey flow->mh = mh; 44011c9c548SOr Gerlitz 44111c9c548SOr Gerlitz return 0; 44211c9c548SOr Gerlitz } 44311c9c548SOr Gerlitz 44411c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 44511c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 44611c9c548SOr Gerlitz { 4475a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 448dd58edc3SVlad Buslov if (!flow->mh) 4495a7e5bcbSVlad Buslov return; 4505a7e5bcbSVlad Buslov 451b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 452b2fdf3d0SPaul Blakey flow->mh); 453dd58edc3SVlad Buslov flow->mh = NULL; 45411c9c548SOr Gerlitz } 45511c9c548SOr Gerlitz 45677ab67b7SOr Gerlitz static 45777ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 45877ab67b7SOr Gerlitz { 459b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 46077ab67b7SOr Gerlitz struct net_device *netdev; 46177ab67b7SOr Gerlitz struct mlx5e_priv *priv; 46277ab67b7SOr Gerlitz 463b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 464b1c2f631SDima Chumak if (!netdev) 465b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 466b1c2f631SDima Chumak 46777ab67b7SOr Gerlitz priv = netdev_priv(netdev); 468b1c2f631SDima Chumak mdev = priv->mdev; 469b1c2f631SDima Chumak dev_put(netdev); 470b1c2f631SDima Chumak 471b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 472b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 473b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 474b1c2f631SDima Chumak * 475b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 476b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 477b1c2f631SDima Chumak * removed. 478b1c2f631SDima Chumak * 479b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 480b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 481b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 482b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 483b1c2f631SDima Chumak */ 484b1c2f631SDima Chumak return mdev; 48577ab67b7SOr Gerlitz } 48677ab67b7SOr Gerlitz 48777ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 48877ab67b7SOr Gerlitz { 489a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 49077ab67b7SOr Gerlitz int err; 49177ab67b7SOr Gerlitz 492a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 493a6696735SMaxim Mikityanskiy if (!builder) 494a6696735SMaxim Mikityanskiy return -ENOMEM; 495a6696735SMaxim Mikityanskiy 49677ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 49777ab67b7SOr Gerlitz if (err) 498a6696735SMaxim Mikityanskiy goto out; 49977ab67b7SOr Gerlitz 500a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 501a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 50277ab67b7SOr Gerlitz if (err) 50377ab67b7SOr Gerlitz goto create_tir_err; 50477ab67b7SOr Gerlitz 505a6696735SMaxim Mikityanskiy out: 506a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 507a6696735SMaxim Mikityanskiy return err; 50877ab67b7SOr Gerlitz 50977ab67b7SOr Gerlitz create_tir_err: 51077ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 511a6696735SMaxim Mikityanskiy 512a6696735SMaxim Mikityanskiy goto out; 51377ab67b7SOr Gerlitz } 51477ab67b7SOr Gerlitz 51577ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 51677ab67b7SOr Gerlitz { 517a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 51877ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 51977ab67b7SOr Gerlitz } 52077ab67b7SOr Gerlitz 5213f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5223f6d08d1SOr Gerlitz { 5233f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5243f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 52506e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 52606e9f13aSMaxim Mikityanskiy int err; 5273f6d08d1SOr Gerlitz 52806e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 52906e9f13aSMaxim Mikityanskiy if (!indir) 5303f6d08d1SOr Gerlitz return -ENOMEM; 5313f6d08d1SOr Gerlitz 53243befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 53306e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 53443ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 53543ec0f41SMaxim Mikityanskiy indir); 5363f6d08d1SOr Gerlitz 53706e9f13aSMaxim Mikityanskiy kvfree(indir); 5383f6d08d1SOr Gerlitz return err; 5393f6d08d1SOr Gerlitz } 5403f6d08d1SOr Gerlitz 5413f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5423f6d08d1SOr Gerlitz { 5433f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 54443ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 545d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 546a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 547a6696735SMaxim Mikityanskiy int err = 0; 548a6696735SMaxim Mikityanskiy 549a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 550a6696735SMaxim Mikityanskiy if (!builder) 551a6696735SMaxim Mikityanskiy return -ENOMEM; 552a6696735SMaxim Mikityanskiy 55343ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 5543f6d08d1SOr Gerlitz 5553f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 55665d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 557d930ac79SAya Levin 55865d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 5593f6d08d1SOr Gerlitz 560a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 561a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 562a6696735SMaxim Mikityanskiy false); 56343ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 564bbeb53b8SAya Levin 565a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 5663f6d08d1SOr Gerlitz if (err) { 5673f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5683f6d08d1SOr Gerlitz goto err_destroy_tirs; 5693f6d08d1SOr Gerlitz } 570a6696735SMaxim Mikityanskiy 571a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 5723f6d08d1SOr Gerlitz } 573a6696735SMaxim Mikityanskiy 574a6696735SMaxim Mikityanskiy out: 575a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 576a6696735SMaxim Mikityanskiy return err; 5773f6d08d1SOr Gerlitz 5783f6d08d1SOr Gerlitz err_destroy_tirs: 579a6696735SMaxim Mikityanskiy max_tt = tt; 580a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 581a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 582a6696735SMaxim Mikityanskiy 583a6696735SMaxim Mikityanskiy goto out; 5843f6d08d1SOr Gerlitz } 5853f6d08d1SOr Gerlitz 5863f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5873f6d08d1SOr Gerlitz { 5883f6d08d1SOr Gerlitz int tt; 5893f6d08d1SOr Gerlitz 5903f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 591a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 5923f6d08d1SOr Gerlitz } 5933f6d08d1SOr Gerlitz 5943f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5953f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5963f6d08d1SOr Gerlitz { 5973f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5983f6d08d1SOr Gerlitz int tt; 5993f6d08d1SOr Gerlitz 6003f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6013f6d08d1SOr Gerlitz 602bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 603bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 604bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 605bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 606bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 607bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 608bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 609bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 610bc29764eSMaor Gottlieb } 6113f6d08d1SOr Gerlitz 6123f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6133f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6143f6d08d1SOr Gerlitz } 6153f6d08d1SOr Gerlitz 6163f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6173f6d08d1SOr Gerlitz { 6183f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6193f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6203f6d08d1SOr Gerlitz int err; 6213f6d08d1SOr Gerlitz 6223f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6233f6d08d1SOr Gerlitz if (err) 6243f6d08d1SOr Gerlitz return err; 6253f6d08d1SOr Gerlitz 6263f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6273f6d08d1SOr Gerlitz if (err) 6283f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6293f6d08d1SOr Gerlitz 6303f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 631f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 632f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 633f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 6343f6d08d1SOr Gerlitz goto err_create_ttc_table; 635f4b45940SMaor Gottlieb } 6363f6d08d1SOr Gerlitz 6373f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 638f4b45940SMaor Gottlieb hp->num_channels, 639f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(priv->fs.ttc)->id); 6403f6d08d1SOr Gerlitz 6413f6d08d1SOr Gerlitz return 0; 6423f6d08d1SOr Gerlitz 6433f6d08d1SOr Gerlitz err_create_ttc_table: 6443f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6453f6d08d1SOr Gerlitz err_create_indirect_tirs: 64606e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6473f6d08d1SOr Gerlitz 6483f6d08d1SOr Gerlitz return err; 6493f6d08d1SOr Gerlitz } 6503f6d08d1SOr Gerlitz 6513f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6523f6d08d1SOr Gerlitz { 653f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 6543f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 65506e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6563f6d08d1SOr Gerlitz } 6573f6d08d1SOr Gerlitz 65877ab67b7SOr Gerlitz static struct mlx5e_hairpin * 65977ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 66077ab67b7SOr Gerlitz int peer_ifindex) 66177ab67b7SOr Gerlitz { 66277ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 66377ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 66477ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 66577ab67b7SOr Gerlitz int err; 66677ab67b7SOr Gerlitz 66777ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 66877ab67b7SOr Gerlitz if (!hp) 66977ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 67077ab67b7SOr Gerlitz 67177ab67b7SOr Gerlitz func_mdev = priv->mdev; 67277ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 673b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 674b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 675b1c2f631SDima Chumak goto create_pair_err; 676b1c2f631SDima Chumak } 67777ab67b7SOr Gerlitz 67877ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 67977ab67b7SOr Gerlitz if (IS_ERR(pair)) { 68077ab67b7SOr Gerlitz err = PTR_ERR(pair); 68177ab67b7SOr Gerlitz goto create_pair_err; 68277ab67b7SOr Gerlitz } 68377ab67b7SOr Gerlitz hp->pair = pair; 68477ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6853f6d08d1SOr Gerlitz hp->func_priv = priv; 6863f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 68777ab67b7SOr Gerlitz 68877ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 68977ab67b7SOr Gerlitz if (err) 69077ab67b7SOr Gerlitz goto create_transport_err; 69177ab67b7SOr Gerlitz 6923f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6933f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6943f6d08d1SOr Gerlitz if (err) 6953f6d08d1SOr Gerlitz goto rss_init_err; 6963f6d08d1SOr Gerlitz } 6973f6d08d1SOr Gerlitz 69877ab67b7SOr Gerlitz return hp; 69977ab67b7SOr Gerlitz 7003f6d08d1SOr Gerlitz rss_init_err: 7013f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 70277ab67b7SOr Gerlitz create_transport_err: 70377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 70477ab67b7SOr Gerlitz create_pair_err: 70577ab67b7SOr Gerlitz kfree(hp); 70677ab67b7SOr Gerlitz return ERR_PTR(err); 70777ab67b7SOr Gerlitz } 70877ab67b7SOr Gerlitz 70977ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 71077ab67b7SOr Gerlitz { 7113f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7123f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 71377ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 71477ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 71577ab67b7SOr Gerlitz kvfree(hp); 71677ab67b7SOr Gerlitz } 71777ab67b7SOr Gerlitz 718106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 719106be53bSOr Gerlitz { 720106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 721106be53bSOr Gerlitz } 722106be53bSOr Gerlitz 7235c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 724106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7255c65c564SOr Gerlitz { 7265c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 727106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7285c65c564SOr Gerlitz 7295c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 730106be53bSOr Gerlitz hairpin_hlist, hash_key) { 731e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 732e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7335c65c564SOr Gerlitz return hpe; 7345c65c564SOr Gerlitz } 735e4f9abbdSVlad Buslov } 7365c65c564SOr Gerlitz 7375c65c564SOr Gerlitz return NULL; 7385c65c564SOr Gerlitz } 7395c65c564SOr Gerlitz 740e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 741e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 742e4f9abbdSVlad Buslov { 743e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 744b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 745e4f9abbdSVlad Buslov return; 746b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 747b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 748e4f9abbdSVlad Buslov 749db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 750e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 751e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 752e4f9abbdSVlad Buslov 753e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 754db76ca24SVlad Buslov } 755db76ca24SVlad Buslov 756db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 757e4f9abbdSVlad Buslov kfree(hpe); 758e4f9abbdSVlad Buslov } 759e4f9abbdSVlad Buslov 760106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 761106be53bSOr Gerlitz 762106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 763e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 764e98bedf5SEli Britstein struct netlink_ext_ack *extack) 765106be53bSOr Gerlitz { 766106be53bSOr Gerlitz void *headers_c, *headers_v; 767106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 768106be53bSOr Gerlitz bool vlan_present; 769106be53bSOr Gerlitz 770106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 771106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 772e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 773e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 774106be53bSOr Gerlitz return -EOPNOTSUPP; 775106be53bSOr Gerlitz } 776106be53bSOr Gerlitz #endif 777106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 778106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 779106be53bSOr Gerlitz 780106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 781106be53bSOr Gerlitz if (vlan_present) { 782106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 783106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 784106be53bSOr Gerlitz } 785106be53bSOr Gerlitz 786106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 787106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 788106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 789e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 790e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 791106be53bSOr Gerlitz return -EOPNOTSUPP; 792106be53bSOr Gerlitz } 793106be53bSOr Gerlitz 794106be53bSOr Gerlitz *match_prio = prio_val; 795106be53bSOr Gerlitz return 0; 796106be53bSOr Gerlitz } 797106be53bSOr Gerlitz 7985c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7995c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 800e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 801e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8025c65c564SOr Gerlitz { 80398b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8045c65c564SOr Gerlitz struct mlx5_hairpin_params params; 805d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8065c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8075c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8083f6d08d1SOr Gerlitz u64 link_speed64; 8093f6d08d1SOr Gerlitz u32 link_speed; 810106be53bSOr Gerlitz u8 match_prio; 811d8822868SOr Gerlitz u16 peer_id; 8125c65c564SOr Gerlitz int err; 8135c65c564SOr Gerlitz 814d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 815b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 816b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 817b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 818b1c2f631SDima Chumak } 819b1c2f631SDima Chumak 820d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 821e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8225c65c564SOr Gerlitz return -EOPNOTSUPP; 8235c65c564SOr Gerlitz } 8245c65c564SOr Gerlitz 825d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 826e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 827e98bedf5SEli Britstein extack); 828106be53bSOr Gerlitz if (err) 829106be53bSOr Gerlitz return err; 830b32accdaSVlad Buslov 831b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 832106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 833db76ca24SVlad Buslov if (hpe) { 834db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 835db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 836db76ca24SVlad Buslov 837db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 838db76ca24SVlad Buslov err = -EREMOTEIO; 839db76ca24SVlad Buslov goto out_err; 840db76ca24SVlad Buslov } 8415c65c564SOr Gerlitz goto attach_flow; 842db76ca24SVlad Buslov } 8435c65c564SOr Gerlitz 8445c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 845b32accdaSVlad Buslov if (!hpe) { 846db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 847db76ca24SVlad Buslov return -ENOMEM; 848b32accdaSVlad Buslov } 8495c65c564SOr Gerlitz 85073edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8515c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 852db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 853d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 854106be53bSOr Gerlitz hpe->prio = match_prio; 855e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 856db76ca24SVlad Buslov init_completion(&hpe->res_ready); 857db76ca24SVlad Buslov 858db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 859db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 860db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8615c65c564SOr Gerlitz 8626cdc686aSAriel Levkovich params.log_data_size = 16; 8635c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8645c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8655c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8665c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8675c65c564SOr Gerlitz 868eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 869eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 870eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 871eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 872eb9180f7SOr Gerlitz 873eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8743f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8752c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8763f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8773f6d08d1SOr Gerlitz link_speed64 = link_speed; 8783f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8793f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8803f6d08d1SOr Gerlitz 8815c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 882db76ca24SVlad Buslov hpe->hp = hp; 883db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8845c65c564SOr Gerlitz if (IS_ERR(hp)) { 8855c65c564SOr Gerlitz err = PTR_ERR(hp); 886db76ca24SVlad Buslov goto out_err; 8875c65c564SOr Gerlitz } 8885c65c564SOr Gerlitz 889eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 890a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 89127b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 892eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8935c65c564SOr Gerlitz 8945c65c564SOr Gerlitz attach_flow: 8953f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 896226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 897f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 898f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 8993f6d08d1SOr Gerlitz } else { 900a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 9013f6d08d1SOr Gerlitz } 902b32accdaSVlad Buslov 903e4f9abbdSVlad Buslov flow->hpe = hpe; 90473edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9055c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 90673edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9073f6d08d1SOr Gerlitz 9085c65c564SOr Gerlitz return 0; 9095c65c564SOr Gerlitz 910db76ca24SVlad Buslov out_err: 911db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9125c65c564SOr Gerlitz return err; 9135c65c564SOr Gerlitz } 9145c65c564SOr Gerlitz 9155c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9165c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9175c65c564SOr Gerlitz { 9185a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 919e4f9abbdSVlad Buslov if (!flow->hpe) 9205a7e5bcbSVlad Buslov return; 9215a7e5bcbSVlad Buslov 92273edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9235c65c564SOr Gerlitz list_del(&flow->hairpin); 92473edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 92573edca73SVlad Buslov 926e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 927e4f9abbdSVlad Buslov flow->hpe = NULL; 9285c65c564SOr Gerlitz } 9295c65c564SOr Gerlitz 93008247066SAriel Levkovich struct mlx5_flow_handle * 93108247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 93208247066SAriel Levkovich struct mlx5_flow_spec *spec, 933c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 934e8f887acSAmir Vadai { 93508247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 93667d62ee7SRoi Dayan struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv); 937c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9386a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9395c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 94066958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9413bc4b7bfSOr Gerlitz .action = attr->action, 942bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 94366958ed9SHadar Hen Zion }; 94408247066SAriel Levkovich struct mlx5_flow_handle *rule; 945c7569097SAriel Levkovich struct mlx5_flow_table *ft; 94608247066SAriel Levkovich int dest_ix = 0; 947e8f887acSAmir Vadai 948bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 949c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 950bb0ee7dcSJianbo Liu 951aedd133dSAriel Levkovich if (attr->dest_ft) { 952aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 953aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 954aedd133dSAriel Levkovich dest_ix++; 955aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9563f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 957c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 95808247066SAriel Levkovich dest_ix++; 959c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9605c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 961c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9623f6d08d1SOr Gerlitz dest_ix++; 9633f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9645c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 965c7569097SAriel Levkovich if (attr->dest_chain) { 966c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 967c7569097SAriel Levkovich attr->dest_chain, 1, 968c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 969c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 970c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 971c7569097SAriel Levkovich } else { 9726783f0a2SVu Pham dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 973c7569097SAriel Levkovich } 9745c65c564SOr Gerlitz dest_ix++; 9755c65c564SOr Gerlitz } 976aad7e08dSAmir Vadai 977c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 978c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 979c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 980c7569097SAriel Levkovich 98108247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9825c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 98308247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9845c65c564SOr Gerlitz dest_ix++; 985aad7e08dSAmir Vadai } 986aad7e08dSAmir Vadai 98708247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9882b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9892f4fe4caSOr Gerlitz 9906a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9916a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 9926a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 9936a064674SAriel Levkovich tc->t = 994c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 99521b9c144SOr Gerlitz 9966a064674SAriel Levkovich if (IS_ERR(tc->t)) { 9976a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 998e8f887acSAmir Vadai netdev_err(priv->netdev, 999e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1000c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 1001c7569097SAriel Levkovich goto err_ft_get; 1002e8f887acSAmir Vadai } 1003e8f887acSAmir Vadai } 100408247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1005e8f887acSAmir Vadai 1006aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1007c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1008c7569097SAriel Levkovich attr->chain, attr->prio, 1009c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1010aedd133dSAriel Levkovich else 1011aedd133dSAriel Levkovich ft = attr->ft; 1012aedd133dSAriel Levkovich 1013c7569097SAriel Levkovich if (IS_ERR(ft)) { 1014c7569097SAriel Levkovich rule = ERR_CAST(ft); 1015c7569097SAriel Levkovich goto err_ft_get; 1016c7569097SAriel Levkovich } 1017c7569097SAriel Levkovich 1018c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 101908247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 102038aa51c1SOr Gerlitz 1021c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10225c65c564SOr Gerlitz &flow_act, dest, dest_ix); 102308247066SAriel Levkovich if (IS_ERR(rule)) 1024c7569097SAriel Levkovich goto err_rule; 102508247066SAriel Levkovich 102608247066SAriel Levkovich return rule; 1027c7569097SAriel Levkovich 1028c7569097SAriel Levkovich err_rule: 1029aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1030c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1031c7569097SAriel Levkovich attr->chain, attr->prio, 1032c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1033c7569097SAriel Levkovich err_ft_get: 1034c7569097SAriel Levkovich if (attr->dest_chain) 1035c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1036c7569097SAriel Levkovich attr->dest_chain, 1, 1037c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1038c7569097SAriel Levkovich 1039c7569097SAriel Levkovich return ERR_CAST(rule); 104008247066SAriel Levkovich } 104108247066SAriel Levkovich 104208247066SAriel Levkovich static int 104308247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 104408247066SAriel Levkovich struct mlx5e_tc_flow *flow, 104508247066SAriel Levkovich struct netlink_ext_ack *extack) 104608247066SAriel Levkovich { 1047c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1048c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 104908247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 105097a8d29aSRoi Dayan struct mlx5_fc *counter; 105108247066SAriel Levkovich int err; 105208247066SAriel Levkovich 1053c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1054c6cfe113SRoi Dayan 105508247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 105608247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 105708247066SAriel Levkovich if (err) 105808247066SAriel Levkovich return err; 105908247066SAriel Levkovich } 106008247066SAriel Levkovich 106108247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 106208247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 106308247066SAriel Levkovich if (IS_ERR(counter)) 106408247066SAriel Levkovich return PTR_ERR(counter); 106508247066SAriel Levkovich 106608247066SAriel Levkovich attr->counter = counter; 106708247066SAriel Levkovich } 106808247066SAriel Levkovich 106908247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 107008247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 10712c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 107208247066SAriel Levkovich if (err) 107308247066SAriel Levkovich return err; 107408247066SAriel Levkovich } 107508247066SAriel Levkovich 1076aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1077aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1078aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1079aedd133dSAriel Levkovich else 108008247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 108108247066SAriel Levkovich attr); 1082e8f887acSAmir Vadai 1083a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1084e8f887acSAmir Vadai } 1085e8f887acSAmir Vadai 108608247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1087c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1088c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 108908247066SAriel Levkovich { 109067d62ee7SRoi Dayan struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv); 1091c7569097SAriel Levkovich 109208247066SAriel Levkovich mlx5_del_flow_rules(rule); 1093c7569097SAriel Levkovich 1094aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1095c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1096c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1097c7569097SAriel Levkovich 1098c7569097SAriel Levkovich if (attr->dest_chain) 1099c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1100c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 110108247066SAriel Levkovich } 110208247066SAriel Levkovich 1103d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1104d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1105d85cdccbSOr Gerlitz { 1106c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 11076a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1108d85cdccbSOr Gerlitz 1109c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1110c7569097SAriel Levkovich 1111aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1112aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1113aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1114aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1115aedd133dSAriel Levkovich 1116c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1117c7569097SAriel Levkovich * extra steering hops. 1118c7569097SAriel Levkovich */ 1119b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11206a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11216a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 112267d62ee7SRoi Dayan mlx5_chains_put_table(mlx5e_nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1123d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1124d85cdccbSOr Gerlitz } 1125b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11262f4fe4caSOr Gerlitz 1127513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11283099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11295c65c564SOr Gerlitz 1130972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1131aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1132aedd133dSAriel Levkovich 1133226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11345c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1135c620b772SAriel Levkovich 113688d97486SRoi Dayan kvfree(attr->parse_attr); 1137c620b772SAriel Levkovich kfree(flow->attr); 1138d85cdccbSOr Gerlitz } 1139d85cdccbSOr Gerlitz 11400d9f9647SVlad Buslov struct mlx5_flow_handle * 11416d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11426d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11436d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1144c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11456d2a3ed0SOr Gerlitz { 11461ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11476d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11484c3844d9SPaul Blakey 114989e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 115089e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 115189e39467SPaul Blakey 11521ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11531ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11541ef3018fSPaul Blakey 115569e2916eSPaul Blakey rule = mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1156aedd133dSAriel Levkovich flow, spec, attr, 11571ef3018fSPaul Blakey mod_hdr_acts); 1158f94d6389SChris Mi } else if (flow_flag_test(flow, SAMPLE)) { 1159ee950e5dSChris Mi rule = mlx5e_tc_sample_offload(get_sample_priv(flow->priv), spec, attr, 1160ee950e5dSChris Mi mlx5e_tc_get_flow_tun_id(flow)); 116169e2916eSPaul Blakey } else { 116269e2916eSPaul Blakey rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11631ef3018fSPaul Blakey } 11646d2a3ed0SOr Gerlitz 11656d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11666d2a3ed0SOr Gerlitz return rule; 11676d2a3ed0SOr Gerlitz 1168c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11696d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11706d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 117169e2916eSPaul Blakey if (flow_flag_test(flow, CT)) 117269e2916eSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 117369e2916eSPaul Blakey else 11746d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11756d2a3ed0SOr Gerlitz return flow->rule[1]; 11766d2a3ed0SOr Gerlitz } 11776d2a3ed0SOr Gerlitz } 11786d2a3ed0SOr Gerlitz 11796d2a3ed0SOr Gerlitz return rule; 11806d2a3ed0SOr Gerlitz } 11816d2a3ed0SOr Gerlitz 11820d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11836d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1184c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11856d2a3ed0SOr Gerlitz { 1186226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11876d2a3ed0SOr Gerlitz 118889e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 118989e39467SPaul Blakey goto offload_rule_0; 119089e39467SPaul Blakey 11914c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 1192aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 11934c3844d9SPaul Blakey return; 11944c3844d9SPaul Blakey } 11954c3844d9SPaul Blakey 1196f94d6389SChris Mi if (flow_flag_test(flow, SAMPLE)) { 11970027d70cSChris Mi mlx5e_tc_sample_unoffload(get_sample_priv(flow->priv), flow->rule[0], attr); 1198f94d6389SChris Mi return; 1199f94d6389SChris Mi } 1200f94d6389SChris Mi 1201c620b772SAriel Levkovich if (attr->esw_attr->split_count) 12026d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 12036d2a3ed0SOr Gerlitz 120489e39467SPaul Blakey offload_rule_0: 12056d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 12066d2a3ed0SOr Gerlitz } 12076d2a3ed0SOr Gerlitz 12080d9f9647SVlad Buslov struct mlx5_flow_handle * 12095dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12105dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1211178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12125dbe906fSPaul Blakey { 1213c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12145dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12155dbe906fSPaul Blakey 1216c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1217c620b772SAriel Levkovich if (!slow_attr) 1218c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12195dbe906fSPaul Blakey 1220c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1221c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1222c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1223c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1224c620b772SAriel Levkovich 1225c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12265dbe906fSPaul Blakey if (!IS_ERR(rule)) 1227226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12285dbe906fSPaul Blakey 1229c620b772SAriel Levkovich kfree(slow_attr); 1230c620b772SAriel Levkovich 12315dbe906fSPaul Blakey return rule; 12325dbe906fSPaul Blakey } 12335dbe906fSPaul Blakey 12340d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1235178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12365dbe906fSPaul Blakey { 1237c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1238178f69b4SEli Cohen 1239c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12405efbe617SAriel Levkovich if (!slow_attr) { 12415efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12425efbe617SAriel Levkovich return; 12435efbe617SAriel Levkovich } 1244c620b772SAriel Levkovich 1245c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1246c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1247c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1248c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1249c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1250226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1251c620b772SAriel Levkovich kfree(slow_attr); 12525dbe906fSPaul Blakey } 12535dbe906fSPaul Blakey 1254ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1255ad86755bSVlad Buslov * function. 1256ad86755bSVlad Buslov */ 1257ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1258ad86755bSVlad Buslov struct list_head *unready_flows) 1259ad86755bSVlad Buslov { 1260ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1261ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1262ad86755bSVlad Buslov } 1263ad86755bSVlad Buslov 1264ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1265ad86755bSVlad Buslov * function. 1266ad86755bSVlad Buslov */ 1267ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1268ad86755bSVlad Buslov { 1269ad86755bSVlad Buslov list_del(&flow->unready); 1270ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1271ad86755bSVlad Buslov } 1272ad86755bSVlad Buslov 1273b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1274b4a23329SRoi Dayan { 1275b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1276b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1277b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1278b4a23329SRoi Dayan 1279b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1280b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1281b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1282b4a23329SRoi Dayan 1283ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1284ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1285ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1286b4a23329SRoi Dayan } 1287b4a23329SRoi Dayan 1288b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1289b4a23329SRoi Dayan { 1290ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1291ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1292ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1293ad86755bSVlad Buslov 1294ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1295ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1296ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1297ad86755bSVlad Buslov 1298ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1299ad86755bSVlad Buslov unready_flow_del(flow); 1300ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1301b4a23329SRoi Dayan } 1302b4a23329SRoi Dayan 1303a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 130410742efcSVlad Buslov { 130510742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 130610742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 130710742efcSVlad Buslov 130810742efcSVlad Buslov out_priv = netdev_priv(out_dev); 130910742efcSVlad Buslov out_mdev = out_priv->mdev; 131010742efcSVlad Buslov route_priv = netdev_priv(route_dev); 131110742efcSVlad Buslov route_mdev = route_priv->mdev; 131210742efcSVlad Buslov 131310742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 131410742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 131510742efcSVlad Buslov return false; 131610742efcSVlad Buslov 1317ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 131810742efcSVlad Buslov } 131910742efcSVlad Buslov 1320a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 132110742efcSVlad Buslov { 132210742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1323f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 132410742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 132510742efcSVlad Buslov struct mlx5_eswitch *esw; 132610742efcSVlad Buslov u16 vhca_id; 132710742efcSVlad Buslov int err; 132810742efcSVlad Buslov 132910742efcSVlad Buslov out_priv = netdev_priv(out_dev); 133010742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 133110742efcSVlad Buslov route_priv = netdev_priv(route_dev); 133210742efcSVlad Buslov route_mdev = route_priv->mdev; 133310742efcSVlad Buslov 133410742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1335f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1336f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1337f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1338f9d196bdSDmytro Linkin * eswitch. 1339f9d196bdSDmytro Linkin */ 134010742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1341f9d196bdSDmytro Linkin if (err != -ENOENT) 1342f9d196bdSDmytro Linkin return err; 1343f9d196bdSDmytro Linkin 1344f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1345f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1346f9d196bdSDmytro Linkin if (!esw) 1347f9d196bdSDmytro Linkin return -ENODEV; 1348f9d196bdSDmytro Linkin } 1349f9d196bdSDmytro Linkin 1350f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1351f9d196bdSDmytro Linkin if (devcom) 1352f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 135310742efcSVlad Buslov return err; 135410742efcSVlad Buslov } 135510742efcSVlad Buslov 1356c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1357c7b9038dSVlad Buslov struct mlx5e_tc_flow_parse_attr *parse_attr, 1358c7b9038dSVlad Buslov struct mlx5e_tc_flow *flow) 1359c7b9038dSVlad Buslov { 1360c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &parse_attr->mod_hdr_acts; 1361c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1362c7b9038dSVlad Buslov 1363c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1364e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 1365c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1366c7b9038dSVlad Buslov mod_hdr_acts->actions); 1367c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1368c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1369c7b9038dSVlad Buslov 1370c7b9038dSVlad Buslov WARN_ON(flow->attr->modify_hdr); 1371c7b9038dSVlad Buslov flow->attr->modify_hdr = mod_hdr; 1372c7b9038dSVlad Buslov 1373c7b9038dSVlad Buslov return 0; 1374c7b9038dSVlad Buslov } 1375c7b9038dSVlad Buslov 1376c83954abSRabie Loulou static int 137774491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1378e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1379e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1380adb4c123SOr Gerlitz { 1381adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1382c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1383c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 13848914add2SVlad Buslov bool vf_tun = false, encap_valid = true; 1385fe7738ebSDima Chumak struct net_device *encap_dev = NULL; 1386c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 13873c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13883c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 138997a8d29aSRoi Dayan struct mlx5_fc *counter; 139039ac237cSPaul Blakey u32 max_prio, max_chain; 13910ad060eeSRoi Dayan int err = 0; 1392f493f155SEli Britstein int out_index; 13938b32580dSOr Gerlitz 1394b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1395b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1396b16eb3c8SAriel Levkovich 139784179981SPaul Blakey /* We check chain range only for tc flows. 139884179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 139984179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 140084179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 140184179981SPaul Blakey */ 1402ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 140384179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 140461644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 140561644c3dSRoi Dayan "Requested chain is out of supported range"); 14068914add2SVlad Buslov err = -EOPNOTSUPP; 14078914add2SVlad Buslov goto err_out; 1408bf07aa73SPaul Blakey } 1409bf07aa73SPaul Blakey 1410ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1411bf07aa73SPaul Blakey if (attr->prio > max_prio) { 141261644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 141361644c3dSRoi Dayan "Requested priority is out of supported range"); 14148914add2SVlad Buslov err = -EOPNOTSUPP; 14158914add2SVlad Buslov goto err_out; 1416bf07aa73SPaul Blakey } 1417bf07aa73SPaul Blakey 1418777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1419777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1420777bb800SVlad Buslov if (err) 14218914add2SVlad Buslov goto err_out; 1422b16eb3c8SAriel Levkovich 1423b16eb3c8SAriel Levkovich if (!attr->chain && esw_attr->int_port) { 1424b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1425b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1426b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1427b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1428b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1429b16eb3c8SAriel Levkovich * from the proper chain. 1430b16eb3c8SAriel Levkovich */ 1431b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1432b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1433b16eb3c8SAriel Levkovich 1434b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1435b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1436b16eb3c8SAriel Levkovich metadata); 1437b16eb3c8SAriel Levkovich if (err) 143831108d14SChristophe JAILLET goto err_out; 1439b16eb3c8SAriel Levkovich } 1440777bb800SVlad Buslov } 1441777bb800SVlad Buslov 144214e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 144314e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 144414e6b038SEli Cohen if (err) 14458914add2SVlad Buslov goto err_out; 144614e6b038SEli Cohen } 144714e6b038SEli Cohen 1448166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1449166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1450166f431eSAriel Levkovich 1451166f431eSAriel Levkovich if (attr->chain) { 1452166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1453166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 145431108d14SChristophe JAILLET err = -EOPNOTSUPP; 145531108d14SChristophe JAILLET goto err_out; 1456166f431eSAriel Levkovich } 1457166f431eSAriel Levkovich 1458166f431eSAriel Levkovich if (attr->dest_chain) { 1459166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1460166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 146131108d14SChristophe JAILLET err = -EOPNOTSUPP; 146231108d14SChristophe JAILLET goto err_out; 1463166f431eSAriel Levkovich } 1464166f431eSAriel Levkovich 1465166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1466166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1467166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1468166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1469166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 147031108d14SChristophe JAILLET if (IS_ERR(int_port)) { 147131108d14SChristophe JAILLET err = PTR_ERR(int_port); 147231108d14SChristophe JAILLET goto err_out; 147331108d14SChristophe JAILLET } 1474166f431eSAriel Levkovich 1475166f431eSAriel Levkovich esw_attr->int_port = int_port; 1476166f431eSAriel Levkovich } 1477166f431eSAriel Levkovich 1478f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 1479fe7738ebSDima Chumak struct net_device *out_dev; 14808c4dc42bSEli Britstein int mirred_ifindex; 14818c4dc42bSEli Britstein 1482c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1483f493f155SEli Britstein continue; 1484f493f155SEli Britstein 14857040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 1486fe7738ebSDima Chumak out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 1487fe7738ebSDima Chumak if (!out_dev) { 1488fe7738ebSDima Chumak NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 1489fe7738ebSDima Chumak err = -ENODEV; 1490fe7738ebSDima Chumak goto err_out; 1491fe7738ebSDima Chumak } 1492733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 14930ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 1494fe7738ebSDima Chumak dev_put(out_dev); 14950ad060eeSRoi Dayan if (err) 14968914add2SVlad Buslov goto err_out; 14970ad060eeSRoi Dayan 14988914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 1499100ad4e2SAriel Levkovich MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 1500100ad4e2SAriel Levkovich !esw_attr->dest_int_port) 15018914add2SVlad Buslov vf_tun = true; 15023c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 15033c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1504c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1505c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 15063c37745eSOr Gerlitz } 15073c37745eSOr Gerlitz 15087d1a3d08SVlad Buslov if (vf_tun && esw_attr->out_count > 1) { 15097d1a3d08SVlad Buslov NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 15107d1a3d08SVlad Buslov err = -EOPNOTSUPP; 15117d1a3d08SVlad Buslov goto err_out; 15127d1a3d08SVlad Buslov } 15137d1a3d08SVlad Buslov 15148b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1515c83954abSRabie Loulou if (err) 15168914add2SVlad Buslov goto err_out; 1517adb4c123SOr Gerlitz 1518d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1519d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 15208914add2SVlad Buslov if (vf_tun) { 15218914add2SVlad Buslov err = mlx5e_tc_add_flow_mod_hdr(priv, parse_attr, flow); 15228914add2SVlad Buslov if (err) 15238914add2SVlad Buslov goto err_out; 15248914add2SVlad Buslov } else { 15251a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1526c83954abSRabie Loulou if (err) 15278914add2SVlad Buslov goto err_out; 15288914add2SVlad Buslov } 1529d7e75a32SOr Gerlitz } 1530d7e75a32SOr Gerlitz 1531b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1532c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 15338914add2SVlad Buslov if (IS_ERR(counter)) { 15348914add2SVlad Buslov err = PTR_ERR(counter); 15358914add2SVlad Buslov goto err_out; 15368914add2SVlad Buslov } 1537b8aee822SMark Bloch 1538b8aee822SMark Bloch attr->counter = counter; 1539b8aee822SMark Bloch } 1540b8aee822SMark Bloch 15410ad060eeSRoi Dayan /* we get here if one of the following takes place: 15420ad060eeSRoi Dayan * (1) there's no error 15430ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 15443c37745eSOr Gerlitz */ 1545bc1d75faSRoi Dayan if (!encap_valid) 1546178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1547bc1d75faSRoi Dayan else 15486d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 15495dbe906fSPaul Blakey 15508914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 15518914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 15528914add2SVlad Buslov goto err_out; 15538914add2SVlad Buslov } 1554226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1555c83954abSRabie Loulou 15565dbe906fSPaul Blakey return 0; 15578914add2SVlad Buslov 15588914add2SVlad Buslov err_out: 15598914add2SVlad Buslov flow_flag_set(flow, FAILED); 15608914add2SVlad Buslov return err; 1561aa0cbbaeSOr Gerlitz } 1562d85cdccbSOr Gerlitz 15639272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 15649272e3dfSYevgeny Kliteynik { 1565c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 15669272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 15679272e3dfSYevgeny Kliteynik spec->match_value, 15689272e3dfSYevgeny Kliteynik misc_parameters_3); 15699272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 15709272e3dfSYevgeny Kliteynik headers_v, 15719272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 15729272e3dfSYevgeny Kliteynik 15739272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 15749272e3dfSYevgeny Kliteynik } 15759272e3dfSYevgeny Kliteynik 1576d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1577d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1578d85cdccbSOr Gerlitz { 1579d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1580c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1581777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 15828914add2SVlad Buslov bool vf_tun = false; 1583f493f155SEli Britstein int out_index; 1584d85cdccbSOr Gerlitz 1585777bb800SVlad Buslov esw_attr = attr->esw_attr; 15860a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 15870a7fcb78SPaul Blakey 158812a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1589b4a23329SRoi Dayan remove_unready_flow(flow); 1590ef06c9eeSRoi Dayan 1591226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1592226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1593178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 15945dbe906fSPaul Blakey else 15955dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 15965dbe906fSPaul Blakey } 1597362980eaSVlad Buslov complete_all(&flow->del_hw_done); 1598d85cdccbSOr Gerlitz 15999272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 16009272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 16019272e3dfSYevgeny Kliteynik 1602513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1603d85cdccbSOr Gerlitz 1604777bb800SVlad Buslov if (flow->decap_route) 1605777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1606777bb800SVlad Buslov 1607777bb800SVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 16088914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 1609100ad4e2SAriel Levkovich MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 1610100ad4e2SAriel Levkovich !esw_attr->dest_int_port) 16118914add2SVlad Buslov vf_tun = true; 1612777bb800SVlad Buslov if (esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 16138c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 16142a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 16152a4b6526SVlad Buslov } 1616777bb800SVlad Buslov } 1617d7e75a32SOr Gerlitz 1618aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 16194c8594adSRoi Dayan 1620c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 16212c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 16228914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 16238914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 16248914add2SVlad Buslov else 16251a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1626c7b9038dSVlad Buslov } 1627b8aee822SMark Bloch 1628b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1629777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 163014e6b038SEli Cohen 1631166f431eSAriel Levkovich if (esw_attr->int_port) 1632166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 1633166f431eSAriel Levkovich 163427484f71SAriel Levkovich if (esw_attr->dest_int_port) 163527484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 163627484f71SAriel Levkovich 163714e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 163814e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1639c620b772SAriel Levkovich 164088d97486SRoi Dayan kfree(attr->sample_attr); 164188d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 164288d97486SRoi Dayan kvfree(attr->parse_attr); 1643c620b772SAriel Levkovich kfree(flow->attr); 1644d85cdccbSOr Gerlitz } 1645d85cdccbSOr Gerlitz 16460d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1647b8aee822SMark Bloch { 1648c620b772SAriel Levkovich return flow->attr->counter; 1649b8aee822SMark Bloch } 1650b8aee822SMark Bloch 16516a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1652021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 16536a06c2f7SVlad Buslov { 16546a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 16556a06c2f7SVlad Buslov 16566a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 16576a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 16586a06c2f7SVlad Buslov } 16596a06c2f7SVlad Buslov 166004de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 166104de7ddaSRoi Dayan { 166204de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 166304de7ddaSRoi Dayan 1664226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1665226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 166604de7ddaSRoi Dayan return; 166704de7ddaSRoi Dayan 166804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 166904de7ddaSRoi Dayan list_del(&flow->peer); 167004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 167104de7ddaSRoi Dayan 1672226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 167304de7ddaSRoi Dayan 1674eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 167504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1676a23dae79SRoi Dayan kfree(flow->peer_flow); 1677eb252c3aSRoi Dayan } 1678eb252c3aSRoi Dayan 167904de7ddaSRoi Dayan flow->peer_flow = NULL; 168004de7ddaSRoi Dayan } 168104de7ddaSRoi Dayan 168204de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 168304de7ddaSRoi Dayan { 168404de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 168504de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 168604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 168704de7ddaSRoi Dayan 168804de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 168904de7ddaSRoi Dayan if (!peer_esw) 169004de7ddaSRoi Dayan return; 169104de7ddaSRoi Dayan 169204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 169304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 169404de7ddaSRoi Dayan } 169504de7ddaSRoi Dayan 1696e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1697961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1698e8f887acSAmir Vadai { 1699226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 170004de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1701d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 170204de7ddaSRoi Dayan } else { 1703d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1704e8f887acSAmir Vadai } 170504de7ddaSRoi Dayan } 1706e8f887acSAmir Vadai 1707ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 1708bbd00f7eSHadar Hen Zion { 1709f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17100a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 17110a7fcb78SPaul Blakey const struct flow_action_entry *act; 17120a7fcb78SPaul Blakey int i; 1713bbd00f7eSHadar Hen Zion 1714ee950e5dSChris Mi if (chain) 1715ee950e5dSChris Mi return false; 1716ee950e5dSChris Mi 17170a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 17180a7fcb78SPaul Blakey switch (act->id) { 17190a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 17200a7fcb78SPaul Blakey return true; 1721ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 1722ee950e5dSChris Mi return true; 17230a7fcb78SPaul Blakey default: 17240a7fcb78SPaul Blakey continue; 1725fe1587a7SDmytro Linkin } 17262e72eb43SOr Gerlitz } 1727bbd00f7eSHadar Hen Zion 17280a7fcb78SPaul Blakey return false; 17290a7fcb78SPaul Blakey } 1730bcef735cSOr Gerlitz 17310a7fcb78SPaul Blakey static int 17320a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 17330a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 17340a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 17350a7fcb78SPaul Blakey bool *dont_care) 17360a7fcb78SPaul Blakey { 17370a7fcb78SPaul Blakey struct geneve_opt *opt; 17380a7fcb78SPaul Blakey int off = 0; 1739bcef735cSOr Gerlitz 17400a7fcb78SPaul Blakey *dont_care = true; 1741bcef735cSOr Gerlitz 17420a7fcb78SPaul Blakey while (opts->len > off) { 17430a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1744e98bedf5SEli Britstein 17450a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 17460a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 17470a7fcb78SPaul Blakey *dont_care = false; 17480a7fcb78SPaul Blakey 1749c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1750d7a42ad0SRoi Dayan opt->type != U8_MAX) { 1751c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 17520a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 17530a7fcb78SPaul Blakey netdev_warn(priv->netdev, 17540a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1755e98bedf5SEli Britstein return -EOPNOTSUPP; 1756e98bedf5SEli Britstein } 1757bcef735cSOr Gerlitz } 1758bcef735cSOr Gerlitz 17590a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1760bbd00f7eSHadar Hen Zion } 1761bbd00f7eSHadar Hen Zion 1762bbd00f7eSHadar Hen Zion return 0; 1763bbd00f7eSHadar Hen Zion } 1764bbd00f7eSHadar Hen Zion 17650a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 17660a7fcb78SPaul Blakey ({ \ 17670a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 17680a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 17690a7fcb78SPaul Blakey \ 17700a7fcb78SPaul Blakey memcpy(__dst,\ 17710a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 17720a7fcb78SPaul Blakey diss_key,\ 17730a7fcb78SPaul Blakey __rule->match.key),\ 17740a7fcb78SPaul Blakey sizeof(*__dst));\ 17750a7fcb78SPaul Blakey }) 17760a7fcb78SPaul Blakey 17770a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 17780a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 17790a7fcb78SPaul Blakey struct flow_cls_offload *f, 17800a7fcb78SPaul Blakey struct net_device *filter_dev) 17818377629eSEli Britstein { 17820a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17830a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 17840a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 17850a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1786d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 17870a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1788c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 17890a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 17900a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 17910a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 17920a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 17930a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 17940a7fcb78SPaul Blakey u32 value, mask; 17950a7fcb78SPaul Blakey int err; 17960a7fcb78SPaul Blakey 17970a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 17980a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 17990a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18000a7fcb78SPaul Blakey 18010a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 18020a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 18030a7fcb78SPaul Blakey &tunnel_key.enc_control); 18040a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 18050a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 18060a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 18070a7fcb78SPaul Blakey else 18080a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 18090a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 18100a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 18110a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 18120a7fcb78SPaul Blakey &tunnel_key.enc_tp); 18130a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 18140a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 18150a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 18160a7fcb78SPaul Blakey 18170a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 18180a7fcb78SPaul Blakey if (err) 18190a7fcb78SPaul Blakey return err; 18200a7fcb78SPaul Blakey 18210a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 18220a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 18230a7fcb78SPaul Blakey enc_opts_match.mask, 18240a7fcb78SPaul Blakey extack, 18250a7fcb78SPaul Blakey &enc_opts_is_dont_care); 18260a7fcb78SPaul Blakey if (err) 18270a7fcb78SPaul Blakey goto err_enc_opts; 18280a7fcb78SPaul Blakey 18290a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1830d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1831d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1832d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1833d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1834d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1835d7a42ad0SRoi Dayan 18360a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1837d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 18380a7fcb78SPaul Blakey if (err) 18390a7fcb78SPaul Blakey goto err_enc_opts; 18400a7fcb78SPaul Blakey } 18410a7fcb78SPaul Blakey 18420a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 18430a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 18440a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 18450a7fcb78SPaul Blakey 18460a7fcb78SPaul Blakey if (attr->chain) { 18470a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 18480a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 18490a7fcb78SPaul Blakey } else { 18500a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 18510a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1852aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 18530a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 18540a7fcb78SPaul Blakey if (err) 18550a7fcb78SPaul Blakey goto err_set; 18560a7fcb78SPaul Blakey 18570a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 18580a7fcb78SPaul Blakey } 18590a7fcb78SPaul Blakey 18600a7fcb78SPaul Blakey flow->tunnel_id = value; 18610a7fcb78SPaul Blakey return 0; 18620a7fcb78SPaul Blakey 18630a7fcb78SPaul Blakey err_set: 18640a7fcb78SPaul Blakey if (enc_opts_id) 18650a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18660a7fcb78SPaul Blakey enc_opts_id); 18670a7fcb78SPaul Blakey err_enc_opts: 18680a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18690a7fcb78SPaul Blakey return err; 18700a7fcb78SPaul Blakey } 18710a7fcb78SPaul Blakey 18720a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 18730a7fcb78SPaul Blakey { 18740a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 18750a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 18760a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18770a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18780a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18790a7fcb78SPaul Blakey 18800a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 18810a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18820a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18830a7fcb78SPaul Blakey 18840a7fcb78SPaul Blakey if (tun_id) 18850a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18860a7fcb78SPaul Blakey if (enc_opts_id) 18870a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18880a7fcb78SPaul Blakey enc_opts_id); 18890a7fcb78SPaul Blakey } 18900a7fcb78SPaul Blakey 18914c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 18924c3844d9SPaul Blakey { 18934c3844d9SPaul Blakey return flow->tunnel_id; 18944c3844d9SPaul Blakey } 18954c3844d9SPaul Blakey 1896fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1897fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1898fca53304SEli Britstein void *headers_c, void *headers_v) 18994a5d5d73SEli Britstein { 1900fca53304SEli Britstein bool ip_version_cap; 1901fca53304SEli Britstein 1902fca53304SEli Britstein ip_version_cap = outer ? 1903fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1904fca53304SEli Britstein ft_field_support.outer_ip_version) : 1905fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1906fca53304SEli Britstein ft_field_support.inner_ip_version); 1907fca53304SEli Britstein 1908fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1909fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1910fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1911fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1912fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1913fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1914fca53304SEli Britstein } else { 19154a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 19164a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 19174a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 19184a5d5d73SEli Britstein ntohs(match->key->n_proto)); 19194a5d5d73SEli Britstein } 1920fca53304SEli Britstein } 19214a5d5d73SEli Britstein 19220d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 1923a508728aSVlad Buslov { 1924a508728aSVlad Buslov void *headers_v; 1925a508728aSVlad Buslov u16 ethertype; 1926a508728aSVlad Buslov u8 ip_version; 1927a508728aSVlad Buslov 1928a508728aSVlad Buslov if (outer) 1929a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1930a508728aSVlad Buslov else 1931a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 1932a508728aSVlad Buslov 1933a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 1934a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 1935a508728aSVlad Buslov if (!ip_version) { 1936a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1937a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 1938a508728aSVlad Buslov ip_version = 4; 1939a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 1940a508728aSVlad Buslov ip_version = 6; 1941a508728aSVlad Buslov } 1942a508728aSVlad Buslov return ip_version; 1943a508728aSVlad Buslov } 1944a508728aSVlad Buslov 19450a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 19460a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19470a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 19480a7fcb78SPaul Blakey struct flow_cls_offload *f, 19490a7fcb78SPaul Blakey struct net_device *filter_dev, 19500a7fcb78SPaul Blakey u8 *match_level, 19510a7fcb78SPaul Blakey bool *match_inner) 19520a7fcb78SPaul Blakey { 1953a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 19540a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 19550a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19560a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 19570a7fcb78SPaul Blakey int err; 19580a7fcb78SPaul Blakey 19590885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 19600885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 19610a7fcb78SPaul Blakey return -EOPNOTSUPP; 19620885ae1aSAbhiram R N } 19630a7fcb78SPaul Blakey 1964c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 1965ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 19660a7fcb78SPaul Blakey *match_inner = !needs_mapping; 19670a7fcb78SPaul Blakey 19680a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1969636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 1970c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 1971636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19720a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1973636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19740a7fcb78SPaul Blakey return -EOPNOTSUPP; 19750a7fcb78SPaul Blakey } 19760a7fcb78SPaul Blakey 1977c620b772SAriel Levkovich if (!flow->attr->chain) { 19780a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 19790a7fcb78SPaul Blakey match_level); 19800a7fcb78SPaul Blakey if (err) { 19810a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 19820a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19830a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19840a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19850a7fcb78SPaul Blakey return err; 19860a7fcb78SPaul Blakey } 19870a7fcb78SPaul Blakey 198814e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 198914e6b038SEli Cohen * object 199014e6b038SEli Cohen */ 199114e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 1992c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 1993a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 1994a508728aSVlad Buslov if (err) 1995a508728aSVlad Buslov return err; 1996a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 1997a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 1998a508728aSVlad Buslov 1999a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2000a508728aSVlad Buslov if (!tmp_spec) { 2001a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2002a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2003a508728aSVlad Buslov return -ENOMEM; 2004a508728aSVlad Buslov } 2005a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2006a508728aSVlad Buslov 2007a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2008a508728aSVlad Buslov if (err) { 2009a508728aSVlad Buslov kvfree(tmp_spec); 2010a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2011a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2012a508728aSVlad Buslov return err; 2013a508728aSVlad Buslov } 2014a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2015a508728aSVlad Buslov kvfree(tmp_spec); 2016a508728aSVlad Buslov if (err) 2017a508728aSVlad Buslov return err; 20180a7fcb78SPaul Blakey } 20190a7fcb78SPaul Blakey 20200a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 20210a7fcb78SPaul Blakey return 0; 20220a7fcb78SPaul Blakey 20230a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 20240a7fcb78SPaul Blakey } 20250a7fcb78SPaul Blakey 20260a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 20270a7fcb78SPaul Blakey { 20280a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20290a7fcb78SPaul Blakey inner_headers); 20300a7fcb78SPaul Blakey } 20310a7fcb78SPaul Blakey 20320a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 20330a7fcb78SPaul Blakey { 20340a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20350a7fcb78SPaul Blakey inner_headers); 20360a7fcb78SPaul Blakey } 20370a7fcb78SPaul Blakey 20380a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 20390a7fcb78SPaul Blakey { 20400a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20410a7fcb78SPaul Blakey outer_headers); 20420a7fcb78SPaul Blakey } 20430a7fcb78SPaul Blakey 20440a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 20450a7fcb78SPaul Blakey { 20460a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20478377629eSEli Britstein outer_headers); 20488377629eSEli Britstein } 20498377629eSEli Britstein 20508ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 20518377629eSEli Britstein { 20528377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20530a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 20540a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 20550a7fcb78SPaul Blakey } 20560a7fcb78SPaul Blakey 20578ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 20580a7fcb78SPaul Blakey { 20590a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20600a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 20610a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 20628377629eSEli Britstein } 20638377629eSEli Britstein 20646d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 20656d65bc64Swenxu struct flow_cls_offload *f) 20666d65bc64Swenxu { 20676d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20686d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 20696d65bc64Swenxu struct net_device *ingress_dev; 20706d65bc64Swenxu struct flow_match_meta match; 20716d65bc64Swenxu 20726d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 20736d65bc64Swenxu return 0; 20746d65bc64Swenxu 20756d65bc64Swenxu flow_rule_match_meta(rule, &match); 2076e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2077e3e0f9b2Swenxu return 0; 2078e3e0f9b2Swenxu 20796d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 20806d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2081a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20826d65bc64Swenxu } 20836d65bc64Swenxu 20846d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 20856d65bc64Swenxu match.key->ingress_ifindex); 20866d65bc64Swenxu if (!ingress_dev) { 20876d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20886d65bc64Swenxu "Can't find the ingress port to match on"); 2089a683012aSPablo Neira Ayuso return -ENOENT; 20906d65bc64Swenxu } 20916d65bc64Swenxu 20926d65bc64Swenxu if (ingress_dev != filter_dev) { 20936d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20946d65bc64Swenxu "Can't match on the ingress filter port"); 2095a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20966d65bc64Swenxu } 20976d65bc64Swenxu 20986d65bc64Swenxu return 0; 20996d65bc64Swenxu } 21006d65bc64Swenxu 210172046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 210272046a91SEli Cohen struct flow_cls_offload *f) 210372046a91SEli Cohen { 210472046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 210572046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 210672046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 210772046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 210872046a91SEli Cohen */ 210972046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 211072046a91SEli Cohen return true; 211172046a91SEli Cohen 211272046a91SEli Cohen return false; 211372046a91SEli Cohen } 211472046a91SEli Cohen 2115de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 21160a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2117de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2118f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 211954c177caSOz Shlomo struct net_device *filter_dev, 212093b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2121e3a2b7edSAmir Vadai { 2122e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2123c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2124c5bb1730SMaor Gottlieb outer_headers); 2125c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2126c5bb1730SMaor Gottlieb outer_headers); 2127699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2128699e96ddSJianbo Liu misc_parameters); 2129699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2130699e96ddSJianbo Liu misc_parameters); 2131a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2132a3222a2dSMaor Dickman misc_parameters_3); 2133a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2134a3222a2dSMaor Dickman misc_parameters_3); 2135f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21368f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2137afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2138e3a2b7edSAmir Vadai u16 addr_type = 0; 2139e3a2b7edSAmir Vadai u8 ip_proto = 0; 214093b3586eSHuy Nguyen u8 *match_level; 21416d65bc64Swenxu int err; 2142e3a2b7edSAmir Vadai 2143afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 214493b3586eSHuy Nguyen match_level = outer_match_level; 2145de0af0bfSRoi Dayan 21468f256622SPablo Neira Ayuso if (dissector->used_keys & 21473d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 21483d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2149e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2150e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2151095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2152699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2153e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2154e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2155bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2156bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2157bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2158bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2159bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2160e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2161fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2162bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 21634c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 21649272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 216572046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2166a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 216772046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2168e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 216948470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 21708f256622SPablo Neira Ayuso dissector->used_keys); 2171e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2172e3a2b7edSAmir Vadai } 2173e3a2b7edSAmir Vadai 2174075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 21750a7fcb78SPaul Blakey bool match_inner = false; 2176bbd00f7eSHadar Hen Zion 21770a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 21780a7fcb78SPaul Blakey outer_match_level, &match_inner); 21790a7fcb78SPaul Blakey if (err) 21800a7fcb78SPaul Blakey return err; 21810a7fcb78SPaul Blakey 21820a7fcb78SPaul Blakey if (match_inner) { 21830a7fcb78SPaul Blakey /* header pointers should point to the inner headers 21840a7fcb78SPaul Blakey * if the packet was decapsulated already. 21850a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2186bbd00f7eSHadar Hen Zion */ 218793b3586eSHuy Nguyen match_level = inner_match_level; 21880a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 21890a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 21900a7fcb78SPaul Blakey } 2191bbd00f7eSHadar Hen Zion } 2192bbd00f7eSHadar Hen Zion 21936d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 21946d65bc64Swenxu if (err) 21956d65bc64Swenxu return err; 21966d65bc64Swenxu 219772046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 219872046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 21998f256622SPablo Neira Ayuso struct flow_match_basic match; 2200e3a2b7edSAmir Vadai 22018f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2202fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2203fca53304SEli Britstein match_level == outer_match_level, 2204fca53304SEli Britstein headers_c, headers_v); 22058f256622SPablo Neira Ayuso 22068f256622SPablo Neira Ayuso if (match.mask->n_proto) 2207d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2208e3a2b7edSAmir Vadai } 220935a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 221035a605dbSEli Britstein is_vlan_dev(filter_dev)) { 221135a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 221235a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 22138f256622SPablo Neira Ayuso struct flow_match_vlan match; 22148f256622SPablo Neira Ayuso 221535a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 221635a605dbSEli Britstein match.key = &filter_dev_key; 221735a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 221835a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 221935a605dbSEli Britstein match.key->vlan_priority = 0; 222035a605dbSEli Britstein match.mask = &filter_dev_mask; 222135a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 222235a605dbSEli Britstein match.mask->vlan_priority = 0; 222335a605dbSEli Britstein } else { 22248f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 222535a605dbSEli Britstein } 22268f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22278f256622SPablo Neira Ayuso match.mask->vlan_priority || 22288f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 22298f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2230699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2231699e96ddSJianbo Liu svlan_tag, 1); 2232699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2233699e96ddSJianbo Liu svlan_tag, 1); 2234699e96ddSJianbo Liu } else { 2235699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2236699e96ddSJianbo Liu cvlan_tag, 1); 2237699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2238699e96ddSJianbo Liu cvlan_tag, 1); 2239699e96ddSJianbo Liu } 2240095b6cfdSOr Gerlitz 22418f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 22428f256622SPablo Neira Ayuso match.mask->vlan_id); 22438f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 22448f256622SPablo Neira Ayuso match.key->vlan_id); 2245358d79a4SOr Gerlitz 22468f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 22478f256622SPablo Neira Ayuso match.mask->vlan_priority); 22488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 22498f256622SPablo Neira Ayuso match.key->vlan_priority); 225054782900SOr Gerlitz 2251d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2252095b6cfdSOr Gerlitz } 2253d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2254fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2255fc603294SMark Bloch * disabled in match value means both S & C tags 2256fc603294SMark Bloch * don't exist (untagged of both) 2257fc603294SMark Bloch */ 2258cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2259d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2260095b6cfdSOr Gerlitz } 2261095b6cfdSOr Gerlitz 22628f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 22638f256622SPablo Neira Ayuso struct flow_match_vlan match; 22648f256622SPablo Neira Ayuso 226512d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 22668f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22678f256622SPablo Neira Ayuso match.mask->vlan_priority || 22688f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2269afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2270afe93f71SRoi Dayan fs_type)) { 2271afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2272afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2273afe93f71SRoi Dayan return -EOPNOTSUPP; 2274afe93f71SRoi Dayan } 2275afe93f71SRoi Dayan 22768f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2277699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2278699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2279699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2280699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2281699e96ddSJianbo Liu } else { 2282699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2283699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2284699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2285699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2286699e96ddSJianbo Liu } 2287699e96ddSJianbo Liu 2288699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 22898f256622SPablo Neira Ayuso match.mask->vlan_id); 2290699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 22918f256622SPablo Neira Ayuso match.key->vlan_id); 2292699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 22938f256622SPablo Neira Ayuso match.mask->vlan_priority); 2294699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 22958f256622SPablo Neira Ayuso match.key->vlan_priority); 2296699e96ddSJianbo Liu 2297699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 22980faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2299699e96ddSJianbo Liu } 2300699e96ddSJianbo Liu } 2301699e96ddSJianbo Liu 23028f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 23038f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 230454782900SOr Gerlitz 23058f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2306d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2307d3a80bb5SOr Gerlitz dmac_47_16), 23088f256622SPablo Neira Ayuso match.mask->dst); 2309d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2310d3a80bb5SOr Gerlitz dmac_47_16), 23118f256622SPablo Neira Ayuso match.key->dst); 2312d3a80bb5SOr Gerlitz 2313d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2314d3a80bb5SOr Gerlitz smac_47_16), 23158f256622SPablo Neira Ayuso match.mask->src); 2316d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2317d3a80bb5SOr Gerlitz smac_47_16), 23188f256622SPablo Neira Ayuso match.key->src); 2319d3a80bb5SOr Gerlitz 23208f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 23218f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2322d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 232354782900SOr Gerlitz } 232454782900SOr Gerlitz 23258f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 23268f256622SPablo Neira Ayuso struct flow_match_control match; 232754782900SOr Gerlitz 23288f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 23298f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 233054782900SOr Gerlitz 233154782900SOr Gerlitz /* the HW doesn't support frag first/later */ 23320885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 23330885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 233454782900SOr Gerlitz return -EOPNOTSUPP; 23350885ae1aSAbhiram R N } 233654782900SOr Gerlitz 23378f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 233854782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 233954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 23408f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 234154782900SOr Gerlitz 234254782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 23438f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 234483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 234554782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 234654782900SOr Gerlitz else 234783621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 234854782900SOr Gerlitz } 234954782900SOr Gerlitz } 235054782900SOr Gerlitz 23518f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 23528f256622SPablo Neira Ayuso struct flow_match_basic match; 23538f256622SPablo Neira Ayuso 23548f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 23558f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 235654782900SOr Gerlitz 235754782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 23588f256622SPablo Neira Ayuso match.mask->ip_proto); 235954782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 23608f256622SPablo Neira Ayuso match.key->ip_proto); 236154782900SOr Gerlitz 23628f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2363d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 236454782900SOr Gerlitz } 236554782900SOr Gerlitz 2366e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 23678f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2368e3a2b7edSAmir Vadai 23698f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2370e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2371e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23728f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2373e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2374e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23758f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2376e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2377e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23788f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2379e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2380e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23818f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2382de0af0bfSRoi Dayan 23838f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2384d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2385e3a2b7edSAmir Vadai } 2386e3a2b7edSAmir Vadai 2387e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 23888f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2389e3a2b7edSAmir Vadai 23908f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2391e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2392e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23938f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2394e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2395e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23968f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2397e3a2b7edSAmir Vadai 2398e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2399e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24008f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2401e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2402e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24038f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2404de0af0bfSRoi Dayan 24058f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 24068f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2407d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2408e3a2b7edSAmir Vadai } 2409e3a2b7edSAmir Vadai 24108f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 24118f256622SPablo Neira Ayuso struct flow_match_ip match; 24121f97a526SOr Gerlitz 24138f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 24148f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 24158f256622SPablo Neira Ayuso match.mask->tos & 0x3); 24168f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 24178f256622SPablo Neira Ayuso match.key->tos & 0x3); 24181f97a526SOr Gerlitz 24198f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 24208f256622SPablo Neira Ayuso match.mask->tos >> 2); 24218f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 24228f256622SPablo Neira Ayuso match.key->tos >> 2); 24231f97a526SOr Gerlitz 24248f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 24258f256622SPablo Neira Ayuso match.mask->ttl); 24268f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 24278f256622SPablo Neira Ayuso match.key->ttl); 24281f97a526SOr Gerlitz 24298f256622SPablo Neira Ayuso if (match.mask->ttl && 2430a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2431e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2432e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2433e98bedf5SEli Britstein "Matching on TTL is not supported"); 24341f97a526SOr Gerlitz return -EOPNOTSUPP; 2435e98bedf5SEli Britstein } 2436a8ade55fSOr Gerlitz 24378f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2438d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 24391f97a526SOr Gerlitz } 24401f97a526SOr Gerlitz 244154782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 244254782900SOr Gerlitz 24438f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 24448f256622SPablo Neira Ayuso struct flow_match_ports match; 24458f256622SPablo Neira Ayuso 24468f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2447e3a2b7edSAmir Vadai switch (ip_proto) { 2448e3a2b7edSAmir Vadai case IPPROTO_TCP: 2449e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24508f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2451e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24528f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2453e3a2b7edSAmir Vadai 2454e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24558f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2456e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24578f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2458e3a2b7edSAmir Vadai break; 2459e3a2b7edSAmir Vadai 2460e3a2b7edSAmir Vadai case IPPROTO_UDP: 2461e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24628f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2463e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24648f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2465e3a2b7edSAmir Vadai 2466e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24678f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2468e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24698f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2470e3a2b7edSAmir Vadai break; 2471e3a2b7edSAmir Vadai default: 2472e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2473e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2474e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2475e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2476e3a2b7edSAmir Vadai return -EINVAL; 2477e3a2b7edSAmir Vadai } 2478de0af0bfSRoi Dayan 24798f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2480d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2481e3a2b7edSAmir Vadai } 2482e3a2b7edSAmir Vadai 24838f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 24848f256622SPablo Neira Ayuso struct flow_match_tcp match; 2485e77834ecSOr Gerlitz 24868f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2487e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 24888f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2489e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 24908f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2491e77834ecSOr Gerlitz 24928f256622SPablo Neira Ayuso if (match.mask->flags) 2493d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2494e77834ecSOr Gerlitz } 2495a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2496a3222a2dSMaor Dickman struct flow_match_icmp match; 2497e77834ecSOr Gerlitz 2498a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2499a3222a2dSMaor Dickman switch (ip_proto) { 2500a3222a2dSMaor Dickman case IPPROTO_ICMP: 2501a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 25020885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 25030885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 25040885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 2505a3222a2dSMaor Dickman return -EOPNOTSUPP; 25060885ae1aSAbhiram R N } 2507a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2508a3222a2dSMaor Dickman match.mask->type); 2509a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2510a3222a2dSMaor Dickman match.key->type); 2511a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2512a3222a2dSMaor Dickman match.mask->code); 2513a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2514a3222a2dSMaor Dickman match.key->code); 2515a3222a2dSMaor Dickman break; 2516a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2517a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 25180885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 25190885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 25200885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 2521a3222a2dSMaor Dickman return -EOPNOTSUPP; 25220885ae1aSAbhiram R N } 2523a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2524a3222a2dSMaor Dickman match.mask->type); 2525a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2526a3222a2dSMaor Dickman match.key->type); 2527a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2528a3222a2dSMaor Dickman match.mask->code); 2529a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2530a3222a2dSMaor Dickman match.key->code); 2531a3222a2dSMaor Dickman break; 2532a3222a2dSMaor Dickman default: 2533a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2534a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2535a3222a2dSMaor Dickman netdev_err(priv->netdev, 2536a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2537a3222a2dSMaor Dickman return -EINVAL; 2538a3222a2dSMaor Dickman } 2539a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2540a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2541a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2542a3222a2dSMaor Dickman } 2543a3222a2dSMaor Dickman } 254439c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 25457d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 25467d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 25477d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 25487d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 25497d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 25507d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 25517d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 25527d6c86e3SAlaa Hleihel } 25537d6c86e3SAlaa Hleihel 2554e3a2b7edSAmir Vadai return 0; 2555e3a2b7edSAmir Vadai } 2556e3a2b7edSAmir Vadai 2557de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 255865ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2559de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2560f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 256154c177caSOz Shlomo struct net_device *filter_dev) 2562de0af0bfSRoi Dayan { 256393b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2564e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2565de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2566de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 25671d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 25681d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2569226f2ca3SVlad Buslov bool is_eswitch_flow; 2570de0af0bfSRoi Dayan int err; 2571de0af0bfSRoi Dayan 257293b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 257393b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 257493b3586eSHuy Nguyen 25750a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 25760a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 257793b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 257893b3586eSHuy Nguyen outer_match_level : inner_match_level; 2579de0af0bfSRoi Dayan 2580226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2581226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 25821d447a39SSaeed Mahameed rep = rpriv->rep; 2583b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 25841d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 258593b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2586e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2587e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2588de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2589de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 259093b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2591de0af0bfSRoi Dayan return -EOPNOTSUPP; 2592de0af0bfSRoi Dayan } 2593de0af0bfSRoi Dayan } 2594de0af0bfSRoi Dayan 2595c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2596c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2597c620b772SAriel Levkovich 259838aa51c1SOr Gerlitz 2599de0af0bfSRoi Dayan return err; 2600de0af0bfSRoi Dayan } 2601de0af0bfSRoi Dayan 2602d79b6df6SOr Gerlitz struct mlx5_fields { 2603d79b6df6SOr Gerlitz u8 field; 260488f30bbcSDmytro Linkin u8 field_bsize; 260588f30bbcSDmytro Linkin u32 field_mask; 2606d79b6df6SOr Gerlitz u32 offset; 260727c11b6bSEli Britstein u32 match_offset; 2608d79b6df6SOr Gerlitz }; 2609d79b6df6SOr Gerlitz 261088f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 261188f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 261227c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 261327c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 261427c11b6bSEli Britstein 26152ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 26162ef86872SEli Britstein * match. 26172ef86872SEli Britstein */ 26182ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 26192ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 26202ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 26212ef86872SEli Britstein type maskx = *(type *)(maskp); \ 26222ef86872SEli Britstein type valx = *(type *)(valp); \ 26232ef86872SEli Britstein \ 26242ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 26252ef86872SEli Britstein matchmaskx)); \ 26262ef86872SEli Britstein }) 26272ef86872SEli Britstein 262827c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 262988f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 263027c11b6bSEli Britstein { 263127c11b6bSEli Britstein bool same = false; 263227c11b6bSEli Britstein 263388f30bbcSDmytro Linkin switch (bsize) { 263488f30bbcSDmytro Linkin case 8: 26352ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 263627c11b6bSEli Britstein break; 263788f30bbcSDmytro Linkin case 16: 26382ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 263927c11b6bSEli Britstein break; 264088f30bbcSDmytro Linkin case 32: 26412ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 264227c11b6bSEli Britstein break; 264327c11b6bSEli Britstein } 264427c11b6bSEli Britstein 264527c11b6bSEli Britstein return same; 264627c11b6bSEli Britstein } 2647a8e4f0c4SOr Gerlitz 2648d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 264988f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 265088f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 265188f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 265288f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 265388f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 265488f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2655d79b6df6SOr Gerlitz 2656ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 265788f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 265888f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 265988f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2660d79b6df6SOr Gerlitz 266188f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 266227c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 266388f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 266427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 266588f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 266627c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 266788f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 266827c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 266988f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 267027c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 267188f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 267227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 267388f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 267427c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 267588f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 267627c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 267788f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2678748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2679d79b6df6SOr Gerlitz 268088f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 268188f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 268288f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 268388f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2684d79b6df6SOr Gerlitz 268588f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 268688f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2687d79b6df6SOr Gerlitz }; 2688d79b6df6SOr Gerlitz 268982198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 269082198d8bSMaor Dickman { 269182198d8bSMaor Dickman __be32 mask_be32; 269282198d8bSMaor Dickman __be16 mask_be16; 269382198d8bSMaor Dickman 269482198d8bSMaor Dickman if (size == 32) { 269582198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 269682198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 269782198d8bSMaor Dickman } else if (size == 16) { 269882198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 269982198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 270082198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 270182198d8bSMaor Dickman } 270282198d8bSMaor Dickman 270382198d8bSMaor Dickman return mask; 270482198d8bSMaor Dickman } 27056ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 27066ae4a6a5SPaul Blakey int namespace, 27076ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2708e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 270927c11b6bSEli Britstein u32 *action_flags, 2710e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2711d79b6df6SOr Gerlitz { 2712d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 271388f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 271488f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 27156ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 271682198d8bSMaor Dickman unsigned long mask, field_mask; 27172c0e5cf5SPaul Blakey int i, first, last, next_z; 27182c0e5cf5SPaul Blakey struct mlx5_fields *f; 271988f30bbcSDmytro Linkin u8 cmd; 272088f30bbcSDmytro Linkin 27216ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 27228ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 27238ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 2724d79b6df6SOr Gerlitz 272573867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 272673867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 272773867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 272873867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2729d79b6df6SOr Gerlitz 2730d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 273127c11b6bSEli Britstein bool skip; 273227c11b6bSEli Britstein 2733d79b6df6SOr Gerlitz f = &fields[i]; 2734d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2735e3ca4e05SOr Gerlitz s_mask = 0; 2736e3ca4e05SOr Gerlitz a_mask = 0; 2737d79b6df6SOr Gerlitz 2738d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2739d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2740d79b6df6SOr Gerlitz 274188f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 274288f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2743d79b6df6SOr Gerlitz 2744d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2745d79b6df6SOr Gerlitz continue; 2746d79b6df6SOr Gerlitz 2747d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2748e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2749e98bedf5SEli Britstein "can't set and add to the same HW field"); 275061b6a6c3SCai Huoqing netdev_warn(priv->netdev, 275161b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 275261b6a6c3SCai Huoqing f->field); 2753d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2754d79b6df6SOr Gerlitz } 2755d79b6df6SOr Gerlitz 275627c11b6bSEli Britstein skip = false; 2757d79b6df6SOr Gerlitz if (s_mask) { 275827c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 275927c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 276027c11b6bSEli Britstein 2761d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2762d79b6df6SOr Gerlitz mask = s_mask; 2763d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 276427c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 276527c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 276688f30bbcSDmytro Linkin match_mask, f->field_bsize)) 276727c11b6bSEli Britstein skip = true; 2768d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 276988f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2770d79b6df6SOr Gerlitz } else { 2771d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2772d79b6df6SOr Gerlitz mask = a_mask; 2773d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 277427c11b6bSEli Britstein /* add 0 is no change */ 277588f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 277627c11b6bSEli Britstein skip = true; 2777d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 277888f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2779d79b6df6SOr Gerlitz } 278027c11b6bSEli Britstein if (skip) 278127c11b6bSEli Britstein continue; 2782d79b6df6SOr Gerlitz 278382198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 27842b64bebaSOr Gerlitz 278588f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 278688f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 278788f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 27882b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2789e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2790e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 279161b6a6c3SCai Huoqing netdev_warn(priv->netdev, 279261b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2793d79b6df6SOr Gerlitz mask); 2794d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2795d79b6df6SOr Gerlitz } 2796d79b6df6SOr Gerlitz 27972c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 27982c0e5cf5SPaul Blakey if (IS_ERR(action)) { 27996ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 28006ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 28016ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 28026ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 28036ae4a6a5SPaul Blakey mod_acts->num_actions); 28042c0e5cf5SPaul Blakey return PTR_ERR(action); 28056ae4a6a5SPaul Blakey } 28066ae4a6a5SPaul Blakey 2807d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2808d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2809d79b6df6SOr Gerlitz 2810d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 281188f30bbcSDmytro Linkin int start; 281288f30bbcSDmytro Linkin 281382198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 281482198d8bSMaor Dickman 281588f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 281682198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 281788f30bbcSDmytro Linkin 281888f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2819d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 28202b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2821d79b6df6SOr Gerlitz } 2822d79b6df6SOr Gerlitz 282388f30bbcSDmytro Linkin if (f->field_bsize == 32) 28242b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 282588f30bbcSDmytro Linkin else if (f->field_bsize == 16) 28262b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 282788f30bbcSDmytro Linkin else if (f->field_bsize == 8) 28282b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2829d79b6df6SOr Gerlitz 28306ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2831d79b6df6SOr Gerlitz } 2832d79b6df6SOr Gerlitz 2833d79b6df6SOr Gerlitz return 0; 2834d79b6df6SOr Gerlitz } 2835d79b6df6SOr Gerlitz 2836d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2837d79b6df6SOr Gerlitz 2838c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2839c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2840c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 284127c11b6bSEli Britstein u32 *action_flags, 2842c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2843c500c86bSPablo Neira Ayuso { 2844c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2845c500c86bSPablo Neira Ayuso int err; 2846c500c86bSPablo Neira Ayuso u8 cmd; 2847c500c86bSPablo Neira Ayuso 28486ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 28496ae4a6a5SPaul Blakey action_flags, extack); 2850d79b6df6SOr Gerlitz if (err < 0) 2851d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2852d79b6df6SOr Gerlitz 2853d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2854c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2855d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2856e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2857e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2858b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2859d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2860d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2861d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2862d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2863d79b6df6SOr Gerlitz } 2864d79b6df6SOr Gerlitz } 2865d79b6df6SOr Gerlitz 2866d79b6df6SOr Gerlitz return 0; 2867d79b6df6SOr Gerlitz 2868d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 28692c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 2870d79b6df6SOr Gerlitz return err; 2871d79b6df6SOr Gerlitz } 2872d79b6df6SOr Gerlitz 28738998576bSDmytro Linkin struct ip_ttl_word { 28748998576bSDmytro Linkin __u8 ttl; 28758998576bSDmytro Linkin __u8 protocol; 28768998576bSDmytro Linkin __sum16 check; 28778998576bSDmytro Linkin }; 28788998576bSDmytro Linkin 28798998576bSDmytro Linkin struct ipv6_hoplimit_word { 28808998576bSDmytro Linkin __be16 payload_len; 28818998576bSDmytro Linkin __u8 nexthdr; 28828998576bSDmytro Linkin __u8 hop_limit; 28838998576bSDmytro Linkin }; 28848998576bSDmytro Linkin 28851836d780SRoi Dayan static bool 28861836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 28871836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 28884c3844d9SPaul Blakey struct netlink_ext_ack *extack) 28898998576bSDmytro Linkin { 28908998576bSDmytro Linkin u32 mask, offset; 28918998576bSDmytro Linkin u8 htype; 28928998576bSDmytro Linkin 28938998576bSDmytro Linkin htype = act->mangle.htype; 28948998576bSDmytro Linkin offset = act->mangle.offset; 28958998576bSDmytro Linkin mask = ~act->mangle.mask; 28968998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 28978998576bSDmytro Linkin * to determine that modified fields 28988998576bSDmytro Linkin * are NOT ttl & hop_limit only. 28998998576bSDmytro Linkin */ 29008998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 29018998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 29028998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 29038998576bSDmytro Linkin 29048998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 29058998576bSDmytro Linkin ttl_word->protocol || 29068998576bSDmytro Linkin ttl_word->check) { 29074c3844d9SPaul Blakey *modify_ip_header = true; 29084c3844d9SPaul Blakey } 29094c3844d9SPaul Blakey 29107e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 29117e36feebSPaul Blakey *modify_tuple = true; 29127e36feebSPaul Blakey 29137e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 29144c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29154c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 29161836d780SRoi Dayan return false; 29178998576bSDmytro Linkin } 29188998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 29198998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 29208998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 29218998576bSDmytro Linkin 29228998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 29238998576bSDmytro Linkin hoplimit_word->payload_len || 29248998576bSDmytro Linkin hoplimit_word->nexthdr) { 29254c3844d9SPaul Blakey *modify_ip_header = true; 29268998576bSDmytro Linkin } 29274c3844d9SPaul Blakey 29287e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 29297e36feebSPaul Blakey *modify_tuple = true; 29307e36feebSPaul Blakey 29317e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 29324c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29334c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 29341836d780SRoi Dayan return false; 29358998576bSDmytro Linkin } 29367e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 29377e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 29387e36feebSPaul Blakey *modify_tuple = true; 29397e36feebSPaul Blakey if (ct_flow) { 29404c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29414c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 29421836d780SRoi Dayan return false; 29434c3844d9SPaul Blakey } 29447e36feebSPaul Blakey } 29454c3844d9SPaul Blakey 29461836d780SRoi Dayan return true; 29478998576bSDmytro Linkin } 29488998576bSDmytro Linkin 294996b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 295096b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 295196b5b458SDima Chumak struct mlx5e_priv *priv, 295296b5b458SDima Chumak struct mlx5_flow_spec *spec) 295396b5b458SDima Chumak { 295496b5b458SDima Chumak if (!modify_tuple || ct_clear) 295596b5b458SDima Chumak return true; 295696b5b458SDima Chumak 295796b5b458SDima Chumak if (ct_flow) { 295896b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 295996b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 296096b5b458SDima Chumak netdev_info(priv->netdev, 296196b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 296296b5b458SDima Chumak return false; 296396b5b458SDima Chumak } 296496b5b458SDima Chumak 296596b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 296696b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 296796b5b458SDima Chumak * we can't restore ct state 296896b5b458SDima Chumak */ 296996b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 297096b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 297196b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 297296b5b458SDima Chumak netdev_info(priv->netdev, 297396b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 297496b5b458SDima Chumak return false; 297596b5b458SDima Chumak } 297696b5b458SDima Chumak 297796b5b458SDima Chumak return true; 297896b5b458SDima Chumak } 297996b5b458SDima Chumak 29803d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 29813d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 298273867881SPablo Neira Ayuso struct flow_action *flow_action, 29834c3844d9SPaul Blakey u32 actions, bool ct_flow, 29847e36feebSPaul Blakey bool ct_clear, 2985e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2986bdd66ac0SOr Gerlitz { 298773867881SPablo Neira Ayuso const struct flow_action_entry *act; 29887e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 2989fca53304SEli Britstein void *headers_c; 2990bdd66ac0SOr Gerlitz void *headers_v; 2991bdd66ac0SOr Gerlitz u16 ethertype; 29928998576bSDmytro Linkin u8 ip_proto; 29931836d780SRoi Dayan int i; 2994bdd66ac0SOr Gerlitz 29958ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 29968ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 2997bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 2998bdd66ac0SOr Gerlitz 2999bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3000fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3001fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3002bdd66ac0SOr Gerlitz goto out_ok; 3003bdd66ac0SOr Gerlitz 3004bdd66ac0SOr Gerlitz modify_ip_header = false; 30057e36feebSPaul Blakey modify_tuple = false; 300673867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 300773867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 300873867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3009bdd66ac0SOr Gerlitz continue; 3010bdd66ac0SOr Gerlitz 30111836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 30127e36feebSPaul Blakey &modify_ip_header, 30131836d780SRoi Dayan &modify_tuple, extack)) 30141836d780SRoi Dayan return false; 3015bdd66ac0SOr Gerlitz } 3016bdd66ac0SOr Gerlitz 301796b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 301896b5b458SDima Chumak priv, spec)) 30197e36feebSPaul Blakey return false; 30207e36feebSPaul Blakey 3021bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 30221ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 30231ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3024e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3025e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 30263d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 30273d486ec4SOz Shlomo ip_proto); 3028bdd66ac0SOr Gerlitz return false; 3029bdd66ac0SOr Gerlitz } 3030bdd66ac0SOr Gerlitz 3031bdd66ac0SOr Gerlitz out_ok: 3032bdd66ac0SOr Gerlitz return true; 3033bdd66ac0SOr Gerlitz } 3034bdd66ac0SOr Gerlitz 30359c1d3511SRoi Dayan static bool 30369c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 30379c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 30389c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 30399c1d3511SRoi Dayan struct netlink_ext_ack *extack) 30409c1d3511SRoi Dayan { 3041d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 30429c1d3511SRoi Dayan bool ct_flow, ct_clear; 30439c1d3511SRoi Dayan 30449c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 30459c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 30469c1d3511SRoi Dayan 3047d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3048d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 30499c1d3511SRoi Dayan /* All registers used by ct are cleared when using 30509c1d3511SRoi Dayan * split rules. 30519c1d3511SRoi Dayan */ 30529c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 30539c1d3511SRoi Dayan return false; 30549c1d3511SRoi Dayan } 30559c1d3511SRoi Dayan 3056d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3057d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3058d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3059d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3060d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3061d4f401d9SRoi Dayan return false; 3062d4f401d9SRoi Dayan } 3063d4f401d9SRoi Dayan 30649c1d3511SRoi Dayan return true; 30659c1d3511SRoi Dayan } 30669c1d3511SRoi Dayan 30679c1d3511SRoi Dayan static bool 30689c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 306973867881SPablo Neira Ayuso struct flow_action *flow_action, 3070bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3071e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3072e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3073bdd66ac0SOr Gerlitz { 30749c1d3511SRoi Dayan u32 actions = flow->attr->action; 30759c1d3511SRoi Dayan bool ct_flow, ct_clear; 3076bdd66ac0SOr Gerlitz 30779c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3078a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3079c620b772SAriel Levkovich 30806b50cf45SRoi Dayan if (!(actions & 30816b50cf45SRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 30826b50cf45SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 30836b50cf45SRoi Dayan return false; 30846b50cf45SRoi Dayan } 30856b50cf45SRoi Dayan 30869c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 30879c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 30889c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 308949397b80SDan Carpenter return false; 3090bdd66ac0SOr Gerlitz 30919c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 30929c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 30939c1d3511SRoi Dayan return false; 3094bdd66ac0SOr Gerlitz 3095bdd66ac0SOr Gerlitz return true; 3096bdd66ac0SOr Gerlitz } 3097bdd66ac0SOr Gerlitz 309832134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 309932134847SMaor Dickman { 310032134847SMaor Dickman return priv->mdev == peer_priv->mdev; 310132134847SMaor Dickman } 310232134847SMaor Dickman 3103ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 31045c65c564SOr Gerlitz { 31055c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3106816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 31075c65c564SOr Gerlitz 31085c65c564SOr Gerlitz fmdev = priv->mdev; 31095c65c564SOr Gerlitz pmdev = peer_priv->mdev; 31105c65c564SOr Gerlitz 311159c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 311259c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 31135c65c564SOr Gerlitz 3114816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 31155c65c564SOr Gerlitz } 31165c65c564SOr Gerlitz 31170bac1194SEli Britstein static int 31180bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 31190bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 31200bac1194SEli Britstein struct pedit_headers_action *hdrs, 31210bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 31220bac1194SEli Britstein { 31230bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 31240bac1194SEli Britstein .vlan.vid = 0, 31250bac1194SEli Britstein .vlan.prio = 31260bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 31278ee72638SRoi Dayan mlx5e_get_match_headers_value(*action, 31280bac1194SEli Britstein &parse_attr->spec), 31290bac1194SEli Britstein first_prio) & 31300bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 31318ee72638SRoi Dayan mlx5e_get_match_headers_criteria(*action, 31320bac1194SEli Britstein &parse_attr->spec), 31330bac1194SEli Britstein first_prio), 31340bac1194SEli Britstein }; 31350bac1194SEli Britstein 31368ee72638SRoi Dayan return mlx5e_tc_act_vlan_add_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 31370bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 31380bac1194SEli Britstein extack); 31390bac1194SEli Britstein } 31400bac1194SEli Britstein 3141d9581e2fSRoi Dayan static int 3142*8333d53eSRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 3143*8333d53eSRoi Dayan struct flow_action *flow_action) 3144*8333d53eSRoi Dayan { 3145*8333d53eSRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 3146*8333d53eSRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 3147*8333d53eSRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 3148*8333d53eSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3149*8333d53eSRoi Dayan struct mlx5e_priv *priv = flow->priv; 3150*8333d53eSRoi Dayan const struct flow_action_entry *act; 3151*8333d53eSRoi Dayan struct mlx5e_tc_act *tc_act; 3152*8333d53eSRoi Dayan int err, i; 3153*8333d53eSRoi Dayan 3154*8333d53eSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3155*8333d53eSRoi Dayan 3156*8333d53eSRoi Dayan flow_action_for_each(i, act, flow_action) { 3157*8333d53eSRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 3158*8333d53eSRoi Dayan if (!tc_act) { 3159*8333d53eSRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 3160*8333d53eSRoi Dayan return -EOPNOTSUPP; 3161*8333d53eSRoi Dayan } 3162*8333d53eSRoi Dayan 3163*8333d53eSRoi Dayan if (!tc_act->can_offload(parse_state, act, i)) 3164*8333d53eSRoi Dayan return -EOPNOTSUPP; 3165*8333d53eSRoi Dayan 3166*8333d53eSRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 3167*8333d53eSRoi Dayan if (err) 3168*8333d53eSRoi Dayan return err; 3169*8333d53eSRoi Dayan } 3170*8333d53eSRoi Dayan 3171*8333d53eSRoi Dayan return 0; 3172*8333d53eSRoi Dayan } 3173*8333d53eSRoi Dayan 3174*8333d53eSRoi Dayan static int 3175d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3176d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3177d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3178d9581e2fSRoi Dayan struct pedit_headers_action *hdrs, 3179d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3180d9581e2fSRoi Dayan { 3181d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 3182d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3183d9581e2fSRoi Dayan int err; 3184d9581e2fSRoi Dayan 3185d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3186d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3187d9581e2fSRoi Dayan return 0; 3188d9581e2fSRoi Dayan 3189e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3190d9581e2fSRoi Dayan 3191d9581e2fSRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, hdrs, 3192d9581e2fSRoi Dayan &attr->action, extack); 3193d9581e2fSRoi Dayan if (err) 3194d9581e2fSRoi Dayan return err; 3195d9581e2fSRoi Dayan 3196d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3197d9581e2fSRoi Dayan return 0; 3198d9581e2fSRoi Dayan 3199fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3200d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 32012c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3202d9581e2fSRoi Dayan 3203d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3204d9581e2fSRoi Dayan return 0; 3205d9581e2fSRoi Dayan 3206d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3207d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3208d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3209d9581e2fSRoi Dayan 3210d9581e2fSRoi Dayan return 0; 3211d9581e2fSRoi Dayan } 3212d9581e2fSRoi Dayan 3213d9581e2fSRoi Dayan static int 3214df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 3215df990477SRoi Dayan struct netlink_ext_ack *extack) 3216df990477SRoi Dayan { 3217df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 3218df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 3219df990477SRoi Dayan return -EINVAL; 3220df990477SRoi Dayan } 3221df990477SRoi Dayan 3222df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 3223df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 3224df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3225df990477SRoi Dayan return -EOPNOTSUPP; 3226df990477SRoi Dayan } 3227df990477SRoi Dayan 3228df990477SRoi Dayan return 0; 3229df990477SRoi Dayan } 3230df990477SRoi Dayan 3231df990477SRoi Dayan static int 3232d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 323373867881SPablo Neira Ayuso struct flow_action *flow_action, 3234e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3235e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3236e3a2b7edSAmir Vadai { 3237fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3238c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3239c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3240e36db1eeSRoi Dayan struct pedit_headers_action *hdrs; 3241*8333d53eSRoi Dayan int err; 3242e3a2b7edSAmir Vadai 3243df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3244df990477SRoi Dayan if (err) 3245df990477SRoi Dayan return err; 3246319a1d19SJiri Pirko 3247fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3248c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3249fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3250fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3251758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 3252e36db1eeSRoi Dayan hdrs = parse_state->hdrs; 3253e3a2b7edSAmir Vadai 3254*8333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 3255fad54790SRoi Dayan if (err) 3256fad54790SRoi Dayan return err; 3257e3a2b7edSAmir Vadai 32587f8770c7SRoi Dayan if (attr->dest_chain && parse_attr->mirred_ifindex[0]) { 3259c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3260c7569097SAriel Levkovich return -EOPNOTSUPP; 3261c7569097SAriel Levkovich } 3262c7569097SAriel Levkovich 3263d9581e2fSRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); 3264d9581e2fSRoi Dayan if (err) 3265d9581e2fSRoi Dayan return err; 3266d9581e2fSRoi Dayan 326773867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3268bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3269bdd66ac0SOr Gerlitz 3270e3a2b7edSAmir Vadai return 0; 3271e3a2b7edSAmir Vadai } 3272e3a2b7edSAmir Vadai 327332134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3274b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3275b1d90e6bSRabie Loulou { 3276b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3277b1d90e6bSRabie Loulou 3278b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3279b1d90e6bSRabie Loulou 3280b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 328132134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 328232134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 3283ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 3284d34eb2fcSOr Gerlitz } 3285d34eb2fcSOr Gerlitz 328632134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 328732134847SMaor Dickman struct net_device *peer_netdev) 328832134847SMaor Dickman { 328932134847SMaor Dickman struct mlx5e_priv *peer_priv; 329032134847SMaor Dickman 329132134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 329232134847SMaor Dickman 329332134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 329432134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 3295ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 329632134847SMaor Dickman } 329732134847SMaor Dickman 329832134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 329932134847SMaor Dickman struct net_device *peer_netdev) 330032134847SMaor Dickman { 330132134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 330232134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 330332134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 330432134847SMaor Dickman } 330532134847SMaor Dickman 3306f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3307f6dc1264SPaul Blakey struct net_device *out_dev) 3308f6dc1264SPaul Blakey { 330932134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 331032134847SMaor Dickman return true; 331132134847SMaor Dickman 331232134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3313f6dc1264SPaul Blakey return true; 3314f6dc1264SPaul Blakey 3315f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 331632134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3317f6dc1264SPaul Blakey } 3318f6dc1264SPaul Blakey 331927484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 332027484f71SAriel Levkovich struct mlx5_flow_attr *attr, 332127484f71SAriel Levkovich int ifindex, 332227484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 332327484f71SAriel Levkovich u32 *action, 332427484f71SAriel Levkovich int out_index) 332527484f71SAriel Levkovich { 332627484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 332727484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 332827484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 332927484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 333027484f71SAriel Levkovich int err; 333127484f71SAriel Levkovich 333227484f71SAriel Levkovich parse_attr = attr->parse_attr; 333327484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 333427484f71SAriel Levkovich 333527484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 333627484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 333727484f71SAriel Levkovich return PTR_ERR(dest_int_port); 333827484f71SAriel Levkovich 333927484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 334027484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 334127484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 334227484f71SAriel Levkovich if (err) { 334327484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 334427484f71SAriel Levkovich return err; 334527484f71SAriel Levkovich } 334627484f71SAriel Levkovich 334727484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 334827484f71SAriel Levkovich 334927484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 335027484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 335127484f71SAriel Levkovich 335227484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 335327484f71SAriel Levkovich attr->dest_chain = 0; 335427484f71SAriel Levkovich 335527484f71SAriel Levkovich return 0; 335627484f71SAriel Levkovich } 335727484f71SAriel Levkovich 3358*8333d53eSRoi Dayan static int 3359*8333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 336073867881SPablo Neira Ayuso struct flow_action *flow_action, 3361e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 336270f8019eSRoi Dayan struct netlink_ext_ack *extack) 3363a54e20b4SHadar Hen Zion { 3364bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3365fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3366c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 3367c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3368c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 3369e36db1eeSRoi Dayan struct pedit_headers_action *hdrs; 3370*8333d53eSRoi Dayan int err; 337103a9d11eSOr Gerlitz 3372df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3373df990477SRoi Dayan if (err) 3374df990477SRoi Dayan return err; 3375319a1d19SJiri Pirko 3376c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3377c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3378fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3379fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3380758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 3381e36db1eeSRoi Dayan hdrs = parse_state->hdrs; 3382c620b772SAriel Levkovich 3383*8333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 3384fad54790SRoi Dayan if (err) 3385fad54790SRoi Dayan return err; 3386bdd66ac0SOr Gerlitz 3387166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 3388166f431eSAriel Levkovich if ((netif_is_ovs_master(parse_attr->filter_dev) || esw_attr->dest_int_port) && 3389166f431eSAriel Levkovich esw_attr->out_count > 1) { 339027484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3391166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 339227484f71SAriel Levkovich return -EOPNOTSUPP; 339327484f71SAriel Levkovich } 339427484f71SAriel Levkovich 33950bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 33969745dbe0SRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 33970bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 33980bac1194SEli Britstein * tag rewrite. 33990bac1194SEli Britstein */ 34009745dbe0SRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 34010bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 34029745dbe0SRoi Dayan &attr->action, extack); 34030bac1194SEli Britstein if (err) 34040bac1194SEli Britstein return err; 34050bac1194SEli Britstein } 34060bac1194SEli Britstein 3407d9581e2fSRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); 3408c500c86bSPablo Neira Ayuso if (err) 3409c500c86bSPablo Neira Ayuso return err; 3410c500c86bSPablo Neira Ayuso 341173867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3412bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3413bdd66ac0SOr Gerlitz 3414c65686d7SRoi Dayan if (attr->dest_chain && parse_state->decap) { 34150a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 34160a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 34170a7fcb78SPaul Blakey * this tunnel id with this decap flow. 34180a7fcb78SPaul Blakey * 34190a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 34200a7fcb78SPaul Blakey * device. 34210a7fcb78SPaul Blakey */ 34220a7fcb78SPaul Blakey 34237f8770c7SRoi Dayan NL_SET_ERR_MSG(extack, "Decap with goto isn't supported"); 34247f8770c7SRoi Dayan netdev_warn(priv->netdev, "Decap with goto isn't supported"); 34250a7fcb78SPaul Blakey return -EOPNOTSUPP; 34260a7fcb78SPaul Blakey } 34270a7fcb78SPaul Blakey 342841c2fd94SChris Mi /* Allocate sample attribute only when there is a sample action and 342941c2fd94SChris Mi * no errors after parsing. 343041c2fd94SChris Mi */ 343141c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 3432bcd6740cSChris Mi attr->sample_attr = kzalloc(sizeof(*attr->sample_attr), GFP_KERNEL); 3433bcd6740cSChris Mi if (!attr->sample_attr) 343441c2fd94SChris Mi return -ENOMEM; 34353929ff58SRoi Dayan *attr->sample_attr = parse_state->sample_attr; 343641c2fd94SChris Mi } 343741c2fd94SChris Mi 343831c8eba5SOr Gerlitz return 0; 343903a9d11eSOr Gerlitz } 344003a9d11eSOr Gerlitz 3441226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 344260bd4af8SOr Gerlitz { 3443226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 344460bd4af8SOr Gerlitz 3445226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3446226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3447226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3448226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 344960bd4af8SOr Gerlitz 3450226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3451226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3452226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3453226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 345484179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 345584179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 3456d9ee0491SOr Gerlitz 345760bd4af8SOr Gerlitz *flow_flags = __flow_flags; 345860bd4af8SOr Gerlitz } 345960bd4af8SOr Gerlitz 346005866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 346105866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 346205866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 346305866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 346405866c82SOr Gerlitz .automatic_shrinking = true, 346505866c82SOr Gerlitz }; 346605866c82SOr Gerlitz 3467226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3468226f2ca3SVlad Buslov unsigned long flags) 346905866c82SOr Gerlitz { 3470655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3471655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3472655dc3d2SOr Gerlitz 3473226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3474655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3475ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3476d9ee0491SOr Gerlitz } else /* NIC offload */ 347705866c82SOr Gerlitz return &priv->fs.tc.ht; 347805866c82SOr Gerlitz } 347905866c82SOr Gerlitz 348004de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 348104de7ddaSRoi Dayan { 3482c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 3483c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3484c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 3485226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 34861418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 34871418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 3488c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 34891418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 34901418ddd9SAviv Heller 349110fbb1cdSRoi Dayan if (!esw_paired) 349210fbb1cdSRoi Dayan return false; 349310fbb1cdSRoi Dayan 3494c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 3495c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 349610fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 349710fbb1cdSRoi Dayan return true; 349810fbb1cdSRoi Dayan 349910fbb1cdSRoi Dayan return false; 350004de7ddaSRoi Dayan } 350104de7ddaSRoi Dayan 3502c620b772SAriel Levkovich struct mlx5_flow_attr * 3503c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 3504c620b772SAriel Levkovich { 3505c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 3506c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 3507c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 3508c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 3509c620b772SAriel Levkovich 3510c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 3511c620b772SAriel Levkovich } 3512c620b772SAriel Levkovich 3513a88780a9SRoi Dayan static int 3514a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3515226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3516a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3517a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3518e3a2b7edSAmir Vadai { 351917091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 3520c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 35213bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 3522ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 3523ff7ea04aSGustavo A. R. Silva int out_index; 3524776b12b6SOr Gerlitz 3525c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 35261b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 3527ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 3528ff7ea04aSGustavo A. R. Silva goto err_free; 3529c620b772SAriel Levkovich 3530c620b772SAriel Levkovich flow->flags = flow_flags; 3531c620b772SAriel Levkovich flow->cookie = f->cookie; 3532c620b772SAriel Levkovich flow->priv = priv; 3533c620b772SAriel Levkovich 3534e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 3535ff7ea04aSGustavo A. R. Silva if (!attr) 3536e3a2b7edSAmir Vadai goto err_free; 3537ff7ea04aSGustavo A. R. Silva 3538c620b772SAriel Levkovich flow->attr = attr; 3539e3a2b7edSAmir Vadai 35405a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 35415a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 35425a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 354314e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 35445a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 354595435ad7SVlad Buslov init_completion(&flow->init_done); 3546362980eaSVlad Buslov init_completion(&flow->del_hw_done); 3547e3a2b7edSAmir Vadai 3548a88780a9SRoi Dayan *__flow = flow; 3549a88780a9SRoi Dayan *__parse_attr = parse_attr; 3550a88780a9SRoi Dayan 3551a88780a9SRoi Dayan return 0; 3552a88780a9SRoi Dayan 3553a88780a9SRoi Dayan err_free: 3554a88780a9SRoi Dayan kfree(flow); 3555a88780a9SRoi Dayan kvfree(parse_attr); 3556a88780a9SRoi Dayan return err; 3557adb4c123SOr Gerlitz } 3558adb4c123SOr Gerlitz 3559988ab9c7STonghao Zhang static void 3560c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 3561c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 3562c7569097SAriel Levkovich struct flow_cls_offload *f) 3563c7569097SAriel Levkovich { 3564c7569097SAriel Levkovich attr->parse_attr = parse_attr; 3565c7569097SAriel Levkovich attr->chain = f->common.chain_index; 3566c7569097SAriel Levkovich attr->prio = f->common.prio; 3567c7569097SAriel Levkovich } 3568c7569097SAriel Levkovich 3569c7569097SAriel Levkovich static void 3570c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 3571988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3572988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3573f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3574988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3575988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3576988ab9c7STonghao Zhang { 3577988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3578c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 3579988ab9c7STonghao Zhang 3580c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 3581988ab9c7STonghao Zhang 3582988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3583988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3584988ab9c7STonghao Zhang 3585988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3586988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3587988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3588988ab9c7STonghao Zhang else 3589988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3590988ab9c7STonghao Zhang } 3591988ab9c7STonghao Zhang 359271129676SJason Gunthorpe static struct mlx5e_tc_flow * 359304de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3594f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3595226f2ca3SVlad Buslov unsigned long flow_flags, 3596d11afc26SOz Shlomo struct net_device *filter_dev, 359704de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 359871129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3599a88780a9SRoi Dayan { 3600f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3601a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3602a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3603a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3604a88780a9SRoi Dayan int attr_size, err; 3605a88780a9SRoi Dayan 3606226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3607a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3608a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3609a88780a9SRoi Dayan &parse_attr, &flow); 3610a88780a9SRoi Dayan if (err) 3611a88780a9SRoi Dayan goto out; 3612988ab9c7STonghao Zhang 3613d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3614c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 3615988ab9c7STonghao Zhang priv, parse_attr, 3616988ab9c7STonghao Zhang f, in_rep, in_mdev); 3617988ab9c7STonghao Zhang 361854c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 361954c177caSOz Shlomo f, filter_dev); 3620d11afc26SOz Shlomo if (err) 3621d11afc26SOz Shlomo goto err_free; 3622a88780a9SRoi Dayan 36237e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 3624aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 3625c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 3626a88780a9SRoi Dayan if (err) 3627a88780a9SRoi Dayan goto err_free; 3628a88780a9SRoi Dayan 3629d4bb0531SRoi Dayan /* always set IP version for indirect table handling */ 3630d4bb0531SRoi Dayan flow->attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 3631d4bb0531SRoi Dayan 363270f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 36334c3844d9SPaul Blakey if (err) 36344c3844d9SPaul Blakey goto err_free; 36354c3844d9SPaul Blakey 36367040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 363795435ad7SVlad Buslov complete_all(&flow->init_done); 3638ef06c9eeSRoi Dayan if (err) { 3639ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3640aa0cbbaeSOr Gerlitz goto err_free; 36415c40348cSOr Gerlitz 3642b4a23329SRoi Dayan add_unready_flow(flow); 3643ef06c9eeSRoi Dayan } 3644ef06c9eeSRoi Dayan 364571129676SJason Gunthorpe return flow; 3646e3a2b7edSAmir Vadai 3647e3a2b7edSAmir Vadai err_free: 36485a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3649a88780a9SRoi Dayan out: 365071129676SJason Gunthorpe return ERR_PTR(err); 3651a88780a9SRoi Dayan } 3652a88780a9SRoi Dayan 3653f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 365495dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 3655226f2ca3SVlad Buslov unsigned long flow_flags) 365604de7ddaSRoi Dayan { 365704de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 365804de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 3659c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 366004de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 366104de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 366204de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 366304de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 366404de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 366504de7ddaSRoi Dayan int err = 0; 366604de7ddaSRoi Dayan 366704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 366804de7ddaSRoi Dayan if (!peer_esw) 366904de7ddaSRoi Dayan return -ENODEV; 367004de7ddaSRoi Dayan 367104de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 367204de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 367304de7ddaSRoi Dayan 367404de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 367504de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 367604de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 367704de7ddaSRoi Dayan * peer mdev. 367804de7ddaSRoi Dayan */ 3679c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 368004de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 368104de7ddaSRoi Dayan else 368204de7ddaSRoi Dayan in_mdev = priv->mdev; 368304de7ddaSRoi Dayan 3684c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 368595dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 368604de7ddaSRoi Dayan parse_attr->filter_dev, 3687c620b772SAriel Levkovich attr->in_rep, in_mdev); 368871129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 368971129676SJason Gunthorpe err = PTR_ERR(peer_flow); 369004de7ddaSRoi Dayan goto out; 369171129676SJason Gunthorpe } 369204de7ddaSRoi Dayan 369304de7ddaSRoi Dayan flow->peer_flow = peer_flow; 3694226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 369504de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 369604de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 369704de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 369804de7ddaSRoi Dayan 369904de7ddaSRoi Dayan out: 370004de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 370104de7ddaSRoi Dayan return err; 370204de7ddaSRoi Dayan } 370304de7ddaSRoi Dayan 370404de7ddaSRoi Dayan static int 370504de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3706f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3707226f2ca3SVlad Buslov unsigned long flow_flags, 370804de7ddaSRoi Dayan struct net_device *filter_dev, 370904de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 371004de7ddaSRoi Dayan { 371104de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 371204de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 371304de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 371404de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 371504de7ddaSRoi Dayan int err; 371604de7ddaSRoi Dayan 371771129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 371871129676SJason Gunthorpe in_mdev); 371971129676SJason Gunthorpe if (IS_ERR(flow)) 372071129676SJason Gunthorpe return PTR_ERR(flow); 372104de7ddaSRoi Dayan 372204de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 372395dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 372404de7ddaSRoi Dayan if (err) { 372504de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 372604de7ddaSRoi Dayan goto out; 372704de7ddaSRoi Dayan } 372804de7ddaSRoi Dayan } 372904de7ddaSRoi Dayan 373004de7ddaSRoi Dayan *__flow = flow; 373104de7ddaSRoi Dayan 373204de7ddaSRoi Dayan return 0; 373304de7ddaSRoi Dayan 373404de7ddaSRoi Dayan out: 373504de7ddaSRoi Dayan return err; 373604de7ddaSRoi Dayan } 373704de7ddaSRoi Dayan 3738a88780a9SRoi Dayan static int 3739a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3740f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3741226f2ca3SVlad Buslov unsigned long flow_flags, 3742d11afc26SOz Shlomo struct net_device *filter_dev, 3743a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3744a88780a9SRoi Dayan { 3745f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3746a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3747a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3748a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3749a88780a9SRoi Dayan int attr_size, err; 3750a88780a9SRoi Dayan 3751c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 3752bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3753bf07aa73SPaul Blakey return -EOPNOTSUPP; 3754c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 3755c7569097SAriel Levkovich return -EOPNOTSUPP; 3756c7569097SAriel Levkovich } 3757bf07aa73SPaul Blakey 3758226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3759a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3760a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3761a88780a9SRoi Dayan &parse_attr, &flow); 3762a88780a9SRoi Dayan if (err) 3763a88780a9SRoi Dayan goto out; 3764a88780a9SRoi Dayan 3765d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3766c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 3767c7569097SAriel Levkovich 376854c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 376954c177caSOz Shlomo f, filter_dev); 3770d11afc26SOz Shlomo if (err) 3771d11afc26SOz Shlomo goto err_free; 3772d11afc26SOz Shlomo 3773aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 3774aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 3775aedd133dSAriel Levkovich if (err) 3776aedd133dSAriel Levkovich goto err_free; 3777aedd133dSAriel Levkovich 3778c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 3779a88780a9SRoi Dayan if (err) 3780a88780a9SRoi Dayan goto err_free; 3781a88780a9SRoi Dayan 3782c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 3783a88780a9SRoi Dayan if (err) 3784a88780a9SRoi Dayan goto err_free; 3785a88780a9SRoi Dayan 3786226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 3787a88780a9SRoi Dayan *__flow = flow; 3788a88780a9SRoi Dayan 3789a88780a9SRoi Dayan return 0; 3790a88780a9SRoi Dayan 3791a88780a9SRoi Dayan err_free: 37928914add2SVlad Buslov flow_flag_set(flow, FAILED); 37932c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 37945a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3795a88780a9SRoi Dayan out: 3796a88780a9SRoi Dayan return err; 3797a88780a9SRoi Dayan } 3798a88780a9SRoi Dayan 3799a88780a9SRoi Dayan static int 3800a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3801f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3802226f2ca3SVlad Buslov unsigned long flags, 3803d11afc26SOz Shlomo struct net_device *filter_dev, 3804a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3805a88780a9SRoi Dayan { 3806a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3807226f2ca3SVlad Buslov unsigned long flow_flags; 3808a88780a9SRoi Dayan int err; 3809a88780a9SRoi Dayan 3810a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3811a88780a9SRoi Dayan 3812bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3813bf07aa73SPaul Blakey return -EOPNOTSUPP; 3814bf07aa73SPaul Blakey 3815f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3816d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3817d11afc26SOz Shlomo filter_dev, flow); 3818a88780a9SRoi Dayan else 3819d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3820d11afc26SOz Shlomo filter_dev, flow); 3821a88780a9SRoi Dayan 3822a88780a9SRoi Dayan return err; 3823a88780a9SRoi Dayan } 3824a88780a9SRoi Dayan 3825553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 3826553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 3827553f9328SVu Pham { 3828553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 38292fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 38302fb15e72SVlad Buslov * function is called from NIC mode. 3831553f9328SVu Pham */ 38322fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 3833553f9328SVu Pham } 3834553f9328SVu Pham 383571d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3836226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3837a88780a9SRoi Dayan { 3838a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3839d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3840553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 3841a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3842a88780a9SRoi Dayan int err = 0; 3843a88780a9SRoi Dayan 38447dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 38457dc84de9SRoi Dayan return -EAGAIN; 38467dc84de9SRoi Dayan 38477dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 38487dc84de9SRoi Dayan 3849c5d326b2SVlad Buslov rcu_read_lock(); 3850c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3851a88780a9SRoi Dayan if (flow) { 3852553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 3853553f9328SVu Pham * just return 0. 3854553f9328SVu Pham */ 3855553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 3856c1aea9e1SVlad Buslov goto rcu_unlock; 3857553f9328SVu Pham 3858a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3859a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3860a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3861a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3862a88780a9SRoi Dayan f->cookie); 38630e1c1a2fSVlad Buslov err = -EEXIST; 3864c1aea9e1SVlad Buslov goto rcu_unlock; 3865a88780a9SRoi Dayan } 3866c1aea9e1SVlad Buslov rcu_unlock: 3867c1aea9e1SVlad Buslov rcu_read_unlock(); 3868c1aea9e1SVlad Buslov if (flow) 3869c1aea9e1SVlad Buslov goto out; 3870a88780a9SRoi Dayan 38717a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 3872d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3873a88780a9SRoi Dayan if (err) 3874a88780a9SRoi Dayan goto out; 3875a88780a9SRoi Dayan 3876553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 3877553f9328SVu Pham * set the flow's owner dev. 3878553f9328SVu Pham */ 3879553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 3880553f9328SVu Pham flow->orig_dev = dev; 3881553f9328SVu Pham 3882c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 3883a88780a9SRoi Dayan if (err) 3884a88780a9SRoi Dayan goto err_free; 3885a88780a9SRoi Dayan 38867dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 3887a88780a9SRoi Dayan return 0; 3888a88780a9SRoi Dayan 3889a88780a9SRoi Dayan err_free: 38905a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3891a88780a9SRoi Dayan out: 38927dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 38937dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 3894e3a2b7edSAmir Vadai return err; 3895e3a2b7edSAmir Vadai } 3896e3a2b7edSAmir Vadai 38978f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 38988f8ae895SOr Gerlitz { 3899226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 3900226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 39018f8ae895SOr Gerlitz 3902226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 3903226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 39048f8ae895SOr Gerlitz } 39058f8ae895SOr Gerlitz 390671d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 3907226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3908e3a2b7edSAmir Vadai { 3909d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3910e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3911c5d326b2SVlad Buslov int err; 3912e3a2b7edSAmir Vadai 3913c5d326b2SVlad Buslov rcu_read_lock(); 3914ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3915c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 3916c5d326b2SVlad Buslov err = -EINVAL; 3917c5d326b2SVlad Buslov goto errout; 3918c5d326b2SVlad Buslov } 3919e3a2b7edSAmir Vadai 3920c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 3921c5d326b2SVlad Buslov * set. 3922c5d326b2SVlad Buslov */ 3923c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 3924c5d326b2SVlad Buslov err = -EINVAL; 3925c5d326b2SVlad Buslov goto errout; 3926c5d326b2SVlad Buslov } 392705866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 3928c5d326b2SVlad Buslov rcu_read_unlock(); 3929e3a2b7edSAmir Vadai 39307a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 39315a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3932e3a2b7edSAmir Vadai 39337dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 3934e3a2b7edSAmir Vadai return 0; 3935c5d326b2SVlad Buslov 3936c5d326b2SVlad Buslov errout: 3937c5d326b2SVlad Buslov rcu_read_unlock(); 3938c5d326b2SVlad Buslov return err; 3939e3a2b7edSAmir Vadai } 3940e3a2b7edSAmir Vadai 394171d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 3942226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3943aad7e08dSAmir Vadai { 394404de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 3945d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 394604de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 3947aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 3948aad7e08dSAmir Vadai struct mlx5_fc *counter; 3949316d5f72SRoi Dayan u64 lastuse = 0; 3950316d5f72SRoi Dayan u64 packets = 0; 3951316d5f72SRoi Dayan u64 bytes = 0; 39525a7e5bcbSVlad Buslov int err = 0; 3953aad7e08dSAmir Vadai 3954c5d326b2SVlad Buslov rcu_read_lock(); 3955c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 39565a7e5bcbSVlad Buslov tc_ht_params)); 3957c5d326b2SVlad Buslov rcu_read_unlock(); 39585a7e5bcbSVlad Buslov if (IS_ERR(flow)) 39595a7e5bcbSVlad Buslov return PTR_ERR(flow); 39605a7e5bcbSVlad Buslov 39615a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 39625a7e5bcbSVlad Buslov err = -EINVAL; 39635a7e5bcbSVlad Buslov goto errout; 39645a7e5bcbSVlad Buslov } 3965aad7e08dSAmir Vadai 39664c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 3967b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 3968aad7e08dSAmir Vadai if (!counter) 39695a7e5bcbSVlad Buslov goto errout; 3970aad7e08dSAmir Vadai 3971aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 3972316d5f72SRoi Dayan } 3973aad7e08dSAmir Vadai 3974316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 3975316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 3976316d5f72SRoi Dayan */ 397704de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 397804de7ddaSRoi Dayan if (!peer_esw) 397904de7ddaSRoi Dayan goto out; 398004de7ddaSRoi Dayan 3981226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 3982226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 398304de7ddaSRoi Dayan u64 bytes2; 398404de7ddaSRoi Dayan u64 packets2; 398504de7ddaSRoi Dayan u64 lastuse2; 398604de7ddaSRoi Dayan 398704de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 3988316d5f72SRoi Dayan if (!counter) 3989316d5f72SRoi Dayan goto no_peer_counter; 399004de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 399104de7ddaSRoi Dayan 399204de7ddaSRoi Dayan bytes += bytes2; 399304de7ddaSRoi Dayan packets += packets2; 399404de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 399504de7ddaSRoi Dayan } 399604de7ddaSRoi Dayan 3997316d5f72SRoi Dayan no_peer_counter: 399804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 399904de7ddaSRoi Dayan out: 40004b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 400193a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 40027a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 40035a7e5bcbSVlad Buslov errout: 40045a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 40055a7e5bcbSVlad Buslov return err; 4006aad7e08dSAmir Vadai } 4007aad7e08dSAmir Vadai 40081fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4009fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4010fcb64c0fSEli Cohen { 4011fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4012fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 40131fe3e316SParav Pandit u32 rate_mbps = 0; 4014fcb64c0fSEli Cohen u16 vport_num; 4015fcb64c0fSEli Cohen int err; 4016fcb64c0fSEli Cohen 4017e401a184SEli Cohen vport_num = rpriv->rep->vport; 4018e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4019e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4020e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4021e401a184SEli Cohen return -EOPNOTSUPP; 4022e401a184SEli Cohen } 4023e401a184SEli Cohen 4024fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4025fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4026fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4027fcb64c0fSEli Cohen * mbit means million bits. 4028fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4029fcb64c0fSEli Cohen * 1 mbit/sec. 4030fcb64c0fSEli Cohen */ 40311fe3e316SParav Pandit if (rate) { 40321fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 40338b90d897SParav Pandit do_div(rate, 1000000); 40348b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 40351fe3e316SParav Pandit } 40361fe3e316SParav Pandit 40372d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4038fcb64c0fSEli Cohen if (err) 4039fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4040fcb64c0fSEli Cohen 4041fcb64c0fSEli Cohen return err; 4042fcb64c0fSEli Cohen } 4043fcb64c0fSEli Cohen 4044fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4045fcb64c0fSEli Cohen struct flow_action *flow_action, 4046fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4047fcb64c0fSEli Cohen { 4048fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4049fcb64c0fSEli Cohen const struct flow_action_entry *act; 4050fcb64c0fSEli Cohen int err; 4051fcb64c0fSEli Cohen int i; 4052fcb64c0fSEli Cohen 4053fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4054fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4055fcb64c0fSEli Cohen return -EINVAL; 4056fcb64c0fSEli Cohen } 4057fcb64c0fSEli Cohen 4058fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4059fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4060fcb64c0fSEli Cohen return -EOPNOTSUPP; 4061fcb64c0fSEli Cohen } 4062fcb64c0fSEli Cohen 40630885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 40640885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4065319a1d19SJiri Pirko return -EOPNOTSUPP; 40660885ae1aSAbhiram R N } 4067319a1d19SJiri Pirko 4068fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4069fcb64c0fSEli Cohen switch (act->id) { 4070fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 40716a56e199SBaowen Zheng if (act->police.rate_pkt_ps) { 40726a56e199SBaowen Zheng NL_SET_ERR_MSG_MOD(extack, "QoS offload not support packets per second"); 40736a56e199SBaowen Zheng return -EOPNOTSUPP; 40746a56e199SBaowen Zheng } 4075fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4076fcb64c0fSEli Cohen if (err) 4077fcb64c0fSEli Cohen return err; 4078fcb64c0fSEli Cohen 4079fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4080fcb64c0fSEli Cohen break; 4081fcb64c0fSEli Cohen default: 4082fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4083fcb64c0fSEli Cohen return -EOPNOTSUPP; 4084fcb64c0fSEli Cohen } 4085fcb64c0fSEli Cohen } 4086fcb64c0fSEli Cohen 4087fcb64c0fSEli Cohen return 0; 4088fcb64c0fSEli Cohen } 4089fcb64c0fSEli Cohen 4090fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4091fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4092fcb64c0fSEli Cohen { 4093fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4094fcb64c0fSEli Cohen 40957b83355fSEli Cohen if (ma->common.prio != 1) { 4096fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4097fcb64c0fSEli Cohen return -EINVAL; 4098fcb64c0fSEli Cohen } 4099fcb64c0fSEli Cohen 4100fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4101fcb64c0fSEli Cohen } 4102fcb64c0fSEli Cohen 4103fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4104fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4105fcb64c0fSEli Cohen { 4106fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4107fcb64c0fSEli Cohen 4108fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4109fcb64c0fSEli Cohen } 4110fcb64c0fSEli Cohen 4111fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4112fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4113fcb64c0fSEli Cohen { 4114fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4115fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4116fcb64c0fSEli Cohen u64 dbytes; 4117fcb64c0fSEli Cohen u64 dpkts; 4118fcb64c0fSEli Cohen 4119fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4120fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4121fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4122fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 41234b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 412493a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4125fcb64c0fSEli Cohen } 4126fcb64c0fSEli Cohen 41274d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 41284d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 41294d8fcf21SAlaa Hleihel { 41304d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4131db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4132db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 41334d8fcf21SAlaa Hleihel u16 peer_vhca_id; 41344d8fcf21SAlaa Hleihel int bkt; 41354d8fcf21SAlaa Hleihel 4136ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 41374d8fcf21SAlaa Hleihel return; 41384d8fcf21SAlaa Hleihel 41394d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 41404d8fcf21SAlaa Hleihel 4141b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4142db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4143db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4144db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4145b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4146db76ca24SVlad Buslov 4147db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4148db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4149db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4150a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 4151db76ca24SVlad Buslov 4152db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4153db76ca24SVlad Buslov } 41544d8fcf21SAlaa Hleihel } 41554d8fcf21SAlaa Hleihel 41564d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 41574d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 41584d8fcf21SAlaa Hleihel { 41594d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 41604d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 41614d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 41624d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 41634d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 41644d8fcf21SAlaa Hleihel 41654d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 41664d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 41674d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 41684d8fcf21SAlaa Hleihel return NOTIFY_DONE; 41694d8fcf21SAlaa Hleihel 41704d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 41714d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 41724d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 41734d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 41744d8fcf21SAlaa Hleihel if (priv == peer_priv || 41754d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 41764d8fcf21SAlaa Hleihel return NOTIFY_DONE; 41774d8fcf21SAlaa Hleihel 41784d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 41794d8fcf21SAlaa Hleihel 41804d8fcf21SAlaa Hleihel return NOTIFY_DONE; 41814d8fcf21SAlaa Hleihel } 41824d8fcf21SAlaa Hleihel 41836a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 41846a064674SAriel Levkovich { 41856a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 41866a064674SAriel Levkovich u32 max_flow_counter; 41876a064674SAriel Levkovich 41886a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 41896a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 41906a064674SAriel Levkovich 41916a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 41926a064674SAriel Levkovich 41936a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 41946a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 41956a064674SAriel Levkovich 41966a064674SAriel Levkovich return tc_tbl_size; 41976a064674SAriel Levkovich } 41986a064674SAriel Levkovich 4199655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4200e8f887acSAmir Vadai { 4201acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 42026a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 4203c9355682SChris Mi struct mapping_ctx *chains_mapping; 42046a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 42052198b932SRoi Dayan u64 mapping_id; 42064d8fcf21SAlaa Hleihel int err; 4207e8f887acSAmir Vadai 4208b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4209b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4210b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 42115c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 421211c9c548SOr Gerlitz 42134d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 42144d8fcf21SAlaa Hleihel if (err) 42154d8fcf21SAlaa Hleihel return err; 42164d8fcf21SAlaa Hleihel 42179ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 42189ba33339SRoi Dayan 42192198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 42202198b932SRoi Dayan 42212198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 42222198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 4223c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 42242198b932SRoi Dayan 4225c9355682SChris Mi if (IS_ERR(chains_mapping)) { 4226c9355682SChris Mi err = PTR_ERR(chains_mapping); 4227c9355682SChris Mi goto err_mapping; 4228c9355682SChris Mi } 4229c9355682SChris Mi tc->mapping = chains_mapping; 4230c9355682SChris Mi 4231c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 4232c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 4233c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 42346a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 42356a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 42366a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 42376783f0a2SVu Pham attr.default_ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 4238c9355682SChris Mi attr.mapping = chains_mapping; 42396a064674SAriel Levkovich 42406a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 42416a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 42426a064674SAriel Levkovich err = PTR_ERR(tc->chains); 42436a064674SAriel Levkovich goto err_chains; 42446a064674SAriel Levkovich } 42456a064674SAriel Levkovich 4246f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 4247aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 4248f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 4249aedd133dSAriel Levkovich 42504d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4251d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4252d48834f9SJiri Pirko &tc->netdevice_nb, 4253d48834f9SJiri Pirko &tc->netdevice_nn); 4254d48834f9SJiri Pirko if (err) { 42554d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 42564d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 42576a064674SAriel Levkovich goto err_reg; 42584d8fcf21SAlaa Hleihel } 42594d8fcf21SAlaa Hleihel 42606a064674SAriel Levkovich return 0; 42616a064674SAriel Levkovich 42626a064674SAriel Levkovich err_reg: 4263aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4264f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 42656a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 42666a064674SAriel Levkovich err_chains: 4267c9355682SChris Mi mapping_destroy(chains_mapping); 4268c9355682SChris Mi err_mapping: 42696a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 42704d8fcf21SAlaa Hleihel return err; 4271e8f887acSAmir Vadai } 4272e8f887acSAmir Vadai 4273e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4274e8f887acSAmir Vadai { 4275e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4276655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4277e8f887acSAmir Vadai 4278961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4279e8f887acSAmir Vadai kfree(flow); 4280e8f887acSAmir Vadai } 4281e8f887acSAmir Vadai 4282655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4283e8f887acSAmir Vadai { 4284acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4285e8f887acSAmir Vadai 42864d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4287d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4288d48834f9SJiri Pirko &tc->netdevice_nb, 4289d48834f9SJiri Pirko &tc->netdevice_nn); 42904d8fcf21SAlaa Hleihel 4291b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 4292b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4293b32accdaSVlad Buslov 42946a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 4295e8f887acSAmir Vadai 4296acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 42976a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 4298acff797cSMaor Gottlieb tc->t = NULL; 4299e8f887acSAmir Vadai } 4300b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 43016a064674SAriel Levkovich 4302aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4303f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 4304c9355682SChris Mi mapping_destroy(tc->mapping); 43056a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 4306e8f887acSAmir Vadai } 4307655dc3d2SOr Gerlitz 4308655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4309655dc3d2SOr Gerlitz { 4310d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 43110a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 4312aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 43130a7fcb78SPaul Blakey struct mapping_ctx *mapping; 4314aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 4315aedd133dSAriel Levkovich struct mlx5e_priv *priv; 43162198b932SRoi Dayan u64 mapping_id; 4317aedd133dSAriel Levkovich int err = 0; 43180a7fcb78SPaul Blakey 43190a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 4320aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 4321aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 4322aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 43230a7fcb78SPaul Blakey 4324f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 4325f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 4326aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 4327aedd133dSAriel Levkovich esw_chains(esw), 4328aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 4329f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 4330f0da4daaSChris Mi uplink_priv->post_act); 43314c3844d9SPaul Blakey 43324f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 43334f4edcc2SAriel Levkovich 43342741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 43352a9ab10aSChris Mi 43362198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 43372198b932SRoi Dayan 43382198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 43392198b932SRoi Dayan sizeof(struct tunnel_match_key), 43400a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 43412198b932SRoi Dayan 43420a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 43430a7fcb78SPaul Blakey err = PTR_ERR(mapping); 43440a7fcb78SPaul Blakey goto err_tun_mapping; 43450a7fcb78SPaul Blakey } 43460a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 43470a7fcb78SPaul Blakey 43483222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 43493222efd4SVlad Buslov * and bridge ingress push mark. 43503222efd4SVlad Buslov */ 43512198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 43523222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 43530a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 43540a7fcb78SPaul Blakey err = PTR_ERR(mapping); 43550a7fcb78SPaul Blakey goto err_enc_opts_mapping; 43560a7fcb78SPaul Blakey } 43570a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 43580a7fcb78SPaul Blakey 43590a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 43600a7fcb78SPaul Blakey if (err) 43610a7fcb78SPaul Blakey goto err_ht_init; 43620a7fcb78SPaul Blakey 43639ba33339SRoi Dayan lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 43649ba33339SRoi Dayan 43658914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 43662b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 43672b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 43688914add2SVlad Buslov goto err_register_fib_notifier; 43692b6c3c1eSWei Yongjun } 43708914add2SVlad Buslov 43712b6c3c1eSWei Yongjun return 0; 43720a7fcb78SPaul Blakey 43738914add2SVlad Buslov err_register_fib_notifier: 43748914add2SVlad Buslov rhashtable_destroy(tc_ht); 43750a7fcb78SPaul Blakey err_ht_init: 43760a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 43770a7fcb78SPaul Blakey err_enc_opts_mapping: 43780a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 43790a7fcb78SPaul Blakey err_tun_mapping: 43800027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 43814f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 4382aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 43830a7fcb78SPaul Blakey netdev_warn(priv->netdev, 43840a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 4385f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 43860a7fcb78SPaul Blakey return err; 4387655dc3d2SOr Gerlitz } 4388655dc3d2SOr Gerlitz 4389655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4390655dc3d2SOr Gerlitz { 43910a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 43920a7fcb78SPaul Blakey 43930a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 4394aedd133dSAriel Levkovich 43958914add2SVlad Buslov rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 43968914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 43978914add2SVlad Buslov 43980a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 43990a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 44004c3844d9SPaul Blakey 44010027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 44024f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 4403aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 4404f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 4405655dc3d2SOr Gerlitz } 440601252a27SOr Gerlitz 4407226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 440801252a27SOr Gerlitz { 4409d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 441001252a27SOr Gerlitz 441101252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 441201252a27SOr Gerlitz } 441304de7ddaSRoi Dayan 441404de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 441504de7ddaSRoi Dayan { 441604de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 441704de7ddaSRoi Dayan 441804de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 441904de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 442004de7ddaSRoi Dayan } 4421b4a23329SRoi Dayan 4422b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4423b4a23329SRoi Dayan { 4424b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4425b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4426b4a23329SRoi Dayan reoffload_flows_work); 4427b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4428b4a23329SRoi Dayan 4429ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4430b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4431b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4432ad86755bSVlad Buslov unready_flow_del(flow); 4433b4a23329SRoi Dayan } 4434ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4435b4a23329SRoi Dayan } 4436e2394a61SVlad Buslov 4437e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 4438e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 4439e2394a61SVlad Buslov unsigned long flags) 4440e2394a61SVlad Buslov { 4441e2394a61SVlad Buslov switch (cls_flower->command) { 4442e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 4443e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 4444e2394a61SVlad Buslov flags); 4445e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 4446e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 4447e2394a61SVlad Buslov flags); 4448e2394a61SVlad Buslov case FLOW_CLS_STATS: 4449e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 4450e2394a61SVlad Buslov flags); 4451e2394a61SVlad Buslov default: 4452e2394a61SVlad Buslov return -EOPNOTSUPP; 4453e2394a61SVlad Buslov } 4454e2394a61SVlad Buslov } 4455e2394a61SVlad Buslov 4456e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 4457e2394a61SVlad Buslov void *cb_priv) 4458e2394a61SVlad Buslov { 4459ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 4460e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 4461e2394a61SVlad Buslov 44622ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 44632ff349c5SRoi Dayan return -EOPNOTSUPP; 44642ff349c5SRoi Dayan 4465ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 4466ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 4467ec9457a6SRoi Dayan else 4468ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 4469ec9457a6SRoi Dayan 4470e2394a61SVlad Buslov switch (type) { 4471e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 4472e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 4473e2394a61SVlad Buslov default: 4474e2394a61SVlad Buslov return -EOPNOTSUPP; 4475e2394a61SVlad Buslov } 4476e2394a61SVlad Buslov } 4477c7569097SAriel Levkovich 4478c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 4479c7569097SAriel Levkovich struct sk_buff *skb) 4480c7569097SAriel Levkovich { 4481c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 4482aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 4483c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 4484aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 4485a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 4486c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 4487c7569097SAriel Levkovich int err; 4488c7569097SAriel Levkovich 4489c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 4490c7569097SAriel Levkovich 4491c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 4492c7569097SAriel Levkovich 4493c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 4494c7569097SAriel Levkovich if (err) { 4495c7569097SAriel Levkovich netdev_dbg(priv->netdev, 4496c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 4497c7569097SAriel Levkovich chain_tag, err); 4498c7569097SAriel Levkovich return false; 4499c7569097SAriel Levkovich } 4500c7569097SAriel Levkovich 4501a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 4502a91d98a0SChris Mi chain = mapped_obj.chain; 45039453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 4504c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 4505c7569097SAriel Levkovich return false; 4506c7569097SAriel Levkovich 4507c7569097SAriel Levkovich tc_skb_ext->chain = chain; 4508aedd133dSAriel Levkovich 4509ed2fe7baSPaul Blakey zone_restore_id = (reg_b >> REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 451048d216e5SVlad Buslov ESW_ZONE_ID_MASK; 4511aedd133dSAriel Levkovich 4512aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 4513aedd133dSAriel Levkovich zone_restore_id)) 4514aedd133dSAriel Levkovich return false; 4515a91d98a0SChris Mi } else { 4516a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 4517a91d98a0SChris Mi return false; 4518c7569097SAriel Levkovich } 4519c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 4520c7569097SAriel Levkovich 4521c7569097SAriel Levkovich return true; 4522c7569097SAriel Levkovich } 4523