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> 42fca572f2SDima Chumak #include <linux/if_macvlan.h> 43d79b6df6SOr Gerlitz #include <net/tc_act/tc_pedit.h> 4426c02749SOr Gerlitz #include <net/tc_act/tc_csum.h> 4541c2fd94SChris Mi #include <net/psample.h> 46f6dfb4c3SHadar Hen Zion #include <net/arp.h> 473616d08bSDavid Ahern #include <net/ipv6_stubs.h> 48f828ca6aSEli Cohen #include <net/bareudp.h> 49d34eb2fcSOr Gerlitz #include <net/bonding.h> 50e8f887acSAmir Vadai #include "en.h" 51f0da4daaSChris Mi #include "en/tc/post_act.h" 521d447a39SSaeed Mahameed #include "en_rep.h" 53768c3667SVlad Buslov #include "en/rep/tc.h" 54e2394a61SVlad Buslov #include "en/rep/neigh.h" 55232c0013SHadar Hen Zion #include "en_tc.h" 5603a9d11eSOr Gerlitz #include "eswitch.h" 573f6d08d1SOr Gerlitz #include "fs_core.h" 582c81bfd5SHuy Nguyen #include "en/port.h" 59101f4de9SOz Shlomo #include "en/tc_tun.h" 600a7fcb78SPaul Blakey #include "en/mapping.h" 614c3844d9SPaul Blakey #include "en/tc_ct.h" 62b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 630d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 640027d70cSChris Mi #include "en/tc/sample.h" 65fad54790SRoi Dayan #include "en/tc/act/act.h" 6604de7ddaSRoi Dayan #include "lib/devcom.h" 679272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 68ae430332SAriel Levkovich #include "lib/fs_chains.h" 697a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 701fe3e316SParav Pandit #include <asm/div64.h> 71016c8946SJakub Kicinski #include "lag/lag.h" 72016c8946SJakub Kicinski #include "lag/mp.h" 73e8f887acSAmir Vadai 74acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 756a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 76e8f887acSAmir Vadai 778f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 788f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 798f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 808f1e0b97SPaul Blakey .moffset = 0, 81ed2fe7baSPaul Blakey .mlen = 16, 828f1e0b97SPaul Blakey }, 8310742efcSVlad Buslov [VPORT_TO_REG] = { 8410742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 85ed2fe7baSPaul Blakey .moffset = 16, 86ed2fe7baSPaul Blakey .mlen = 16, 8710742efcSVlad Buslov }, 880a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 890a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 90ed2fe7baSPaul Blakey .moffset = 8, 91ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 920a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 930a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 940a7fcb78SPaul Blakey }, 954c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 96a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 974c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 984c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 994c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1004c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 10139c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 102c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 103c7569097SAriel Levkovich * jump between steering domains. 104c7569097SAriel Levkovich */ 105c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 106c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 107c7569097SAriel Levkovich .moffset = 0, 108ed2fe7baSPaul Blakey .mlen = 16, 109c7569097SAriel Levkovich }, 110aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1118f1e0b97SPaul Blakey }; 1128f1e0b97SPaul Blakey 1139ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1149ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1159ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1169ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1179ba33339SRoi Dayan * it's different than the ht->mutex here. 1189ba33339SRoi Dayan */ 1199ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1209ba33339SRoi Dayan 1210a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1220a7fcb78SPaul Blakey 1230a7fcb78SPaul Blakey void 1240a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1250a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 126ed2fe7baSPaul Blakey u32 val, 1270a7fcb78SPaul Blakey u32 mask) 1280a7fcb78SPaul Blakey { 129ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1300a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 131ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1320a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 133ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 134ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 135ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1360a7fcb78SPaul Blakey 1370a7fcb78SPaul Blakey fmask = headers_c + soffset; 1380a7fcb78SPaul Blakey fval = headers_v + soffset; 1390a7fcb78SPaul Blakey 140ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 141ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1420a7fcb78SPaul Blakey 143ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 144ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 145ed2fe7baSPaul Blakey 146ed2fe7baSPaul Blakey //move to correct offset 147ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 148ed2fe7baSPaul Blakey mask <<= moffset; 149ed2fe7baSPaul Blakey val <<= moffset; 150ed2fe7baSPaul Blakey max_mask <<= moffset; 151ed2fe7baSPaul Blakey 152ed2fe7baSPaul Blakey //zero val and mask 153ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 154ed2fe7baSPaul Blakey curr_val &= ~max_mask; 155ed2fe7baSPaul Blakey 156ed2fe7baSPaul Blakey //add current to mask 157ed2fe7baSPaul Blakey curr_mask |= mask; 158ed2fe7baSPaul Blakey curr_val |= val; 159ed2fe7baSPaul Blakey 160ed2fe7baSPaul Blakey //back to be32 and write 161ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 162ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 163ed2fe7baSPaul Blakey 164ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 165ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 1660a7fcb78SPaul Blakey 1670a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1680a7fcb78SPaul Blakey } 1690a7fcb78SPaul Blakey 1707e36feebSPaul Blakey void 1717e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1727e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 173ed2fe7baSPaul Blakey u32 *val, 1747e36feebSPaul Blakey u32 *mask) 1757e36feebSPaul Blakey { 176ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1777e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 178ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1797e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 180ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 181ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 182ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1837e36feebSPaul Blakey 1847e36feebSPaul Blakey fmask = headers_c + soffset; 1857e36feebSPaul Blakey fval = headers_v + soffset; 1867e36feebSPaul Blakey 187ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 188ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1897e36feebSPaul Blakey 190ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 191ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 192ed2fe7baSPaul Blakey 193ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 194ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 1957e36feebSPaul Blakey } 1967e36feebSPaul Blakey 1970a7fcb78SPaul Blakey int 198c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 1990a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 200aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2010a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2020a7fcb78SPaul Blakey u32 data) 2030a7fcb78SPaul Blakey { 2040a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2050a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2060a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2070a7fcb78SPaul Blakey char *modact; 2080a7fcb78SPaul Blakey int err; 2090a7fcb78SPaul Blakey 2102c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2112c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2122c0e5cf5SPaul Blakey return PTR_ERR(modact); 2130a7fcb78SPaul Blakey 2140a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 215ed2fe7baSPaul Blakey if (mlen == 32) 2160a7fcb78SPaul Blakey mlen = 0; 2170a7fcb78SPaul Blakey 2180a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2190a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 220ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 221ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2220a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 223c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2240a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2250a7fcb78SPaul Blakey 226c7b9038dSVlad Buslov return err; 2270a7fcb78SPaul Blakey } 2280a7fcb78SPaul Blakey 22927484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 23027484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 23127484f71SAriel Levkovich { 23227484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 23327484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 23427484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 23527484f71SAriel Levkovich 23627484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 23727484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23827484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 23927484f71SAriel Levkovich 24027484f71SAriel Levkovich return uplink_priv->int_port_priv; 24127484f71SAriel Levkovich } 24227484f71SAriel Levkovich 24327484f71SAriel Levkovich return NULL; 24427484f71SAriel Levkovich } 24527484f71SAriel Levkovich 246aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 247aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 248aedd133dSAriel Levkovich { 249aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 250aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 251aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 252aedd133dSAriel Levkovich 253e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 254aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 255aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 256aedd133dSAriel Levkovich 257aedd133dSAriel Levkovich return uplink_priv->ct_priv; 258aedd133dSAriel Levkovich } 259aedd133dSAriel Levkovich 260aedd133dSAriel Levkovich return priv->fs.tc.ct; 261aedd133dSAriel Levkovich } 262aedd133dSAriel Levkovich 2630027d70cSChris Mi static struct mlx5e_tc_psample * 264f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 265f94d6389SChris Mi { 266f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 267f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 268f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 269f94d6389SChris Mi 270f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 271f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 272f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 273f94d6389SChris Mi 2740027d70cSChris Mi return uplink_priv->tc_psample; 275f94d6389SChris Mi } 276f94d6389SChris Mi 277f94d6389SChris Mi return NULL; 278f94d6389SChris Mi } 279f94d6389SChris Mi 280aedd133dSAriel Levkovich struct mlx5_flow_handle * 281aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 282aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 283aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 284aedd133dSAriel Levkovich { 285aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 286aedd133dSAriel Levkovich 287e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 288aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 289aedd133dSAriel Levkovich 290aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 291aedd133dSAriel Levkovich } 292aedd133dSAriel Levkovich 293aedd133dSAriel Levkovich void 294aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 295aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 296aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 297aedd133dSAriel Levkovich { 298aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 299aedd133dSAriel Levkovich 300e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 301aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 302aedd133dSAriel Levkovich 303aedd133dSAriel Levkovich return; 304aedd133dSAriel Levkovich } 305aedd133dSAriel Levkovich 306aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 307aedd133dSAriel Levkovich } 308aedd133dSAriel Levkovich 309c7b9038dSVlad Buslov int 310c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 311c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 312c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 313c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 314c7b9038dSVlad Buslov u32 data) 315c7b9038dSVlad Buslov { 316c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 317c7b9038dSVlad Buslov 318c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 319c7b9038dSVlad Buslov } 320c7b9038dSVlad Buslov 321c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 322c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 323c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 324c7b9038dSVlad Buslov int act_id, u32 data) 325c7b9038dSVlad Buslov { 326c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 327c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 328c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 329c7b9038dSVlad Buslov char *modact; 330c7b9038dSVlad Buslov 3312c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 332c7b9038dSVlad Buslov 333c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 334ed2fe7baSPaul Blakey if (mlen == 32) 335c7b9038dSVlad Buslov mlen = 0; 336c7b9038dSVlad Buslov 337c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 338c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 339ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 340ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 341c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 342c7b9038dSVlad Buslov } 343c7b9038dSVlad Buslov 34477ab67b7SOr Gerlitz struct mlx5e_hairpin { 34577ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 34677ab67b7SOr Gerlitz 34777ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3483f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 34977ab67b7SOr Gerlitz u32 tdn; 350a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 3513f6d08d1SOr Gerlitz 3523f6d08d1SOr Gerlitz int num_channels; 3533f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 354a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 355f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 35677ab67b7SOr Gerlitz }; 35777ab67b7SOr Gerlitz 3585c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3595c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3605c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3615c65c564SOr Gerlitz 36273edca73SVlad Buslov /* protects flows list */ 36373edca73SVlad Buslov spinlock_t flows_lock; 3645c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3655c65c564SOr Gerlitz struct list_head flows; 366db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 367db76ca24SVlad Buslov * function traversed them. 368db76ca24SVlad Buslov */ 369db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3705c65c564SOr Gerlitz 371d8822868SOr Gerlitz u16 peer_vhca_id; 372106be53bSOr Gerlitz u8 prio; 3735c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 374e4f9abbdSVlad Buslov refcount_t refcnt; 375db76ca24SVlad Buslov struct completion res_ready; 3765c65c564SOr Gerlitz }; 3775c65c564SOr Gerlitz 3785a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3795a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3805a7e5bcbSVlad Buslov 3810d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3825a7e5bcbSVlad Buslov { 3835a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3845a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3855a7e5bcbSVlad Buslov return flow; 3865a7e5bcbSVlad Buslov } 3875a7e5bcbSVlad Buslov 3880d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 3895a7e5bcbSVlad Buslov { 3905a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3915a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 392c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3935a7e5bcbSVlad Buslov } 3945a7e5bcbSVlad Buslov } 3955a7e5bcbSVlad Buslov 396aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 397226f2ca3SVlad Buslov { 398226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 399226f2ca3SVlad Buslov } 400226f2ca3SVlad Buslov 401*67d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 40284179981SPaul Blakey { 40384179981SPaul Blakey return flow_flag_test(flow, FT); 40484179981SPaul Blakey } 40584179981SPaul Blakey 4060d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 407226f2ca3SVlad Buslov { 408226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 409226f2ca3SVlad Buslov } 410226f2ca3SVlad Buslov 411d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 412d2faae25SVlad Buslov { 413d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 414d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 415d2faae25SVlad Buslov } 416b2fdf3d0SPaul Blakey 417b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 418b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 419b2fdf3d0SPaul Blakey { 420b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 421b2fdf3d0SPaul Blakey 422b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 423b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 424b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 425b2fdf3d0SPaul Blakey } 426b2fdf3d0SPaul Blakey 42711c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 42811c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 42911c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 43011c9c548SOr Gerlitz { 431b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 432b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 43311c9c548SOr Gerlitz 434b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 435b2fdf3d0SPaul Blakey get_flow_name_space(flow), 436b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 437b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 438b2fdf3d0SPaul Blakey return PTR_ERR(mh); 43911c9c548SOr Gerlitz 440b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 441c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 442b2fdf3d0SPaul Blakey flow->mh = mh; 44311c9c548SOr Gerlitz 44411c9c548SOr Gerlitz return 0; 44511c9c548SOr Gerlitz } 44611c9c548SOr Gerlitz 44711c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 44811c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 44911c9c548SOr Gerlitz { 4505a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 451dd58edc3SVlad Buslov if (!flow->mh) 4525a7e5bcbSVlad Buslov return; 4535a7e5bcbSVlad Buslov 454b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 455b2fdf3d0SPaul Blakey flow->mh); 456dd58edc3SVlad Buslov flow->mh = NULL; 45711c9c548SOr Gerlitz } 45811c9c548SOr Gerlitz 45977ab67b7SOr Gerlitz static 46077ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 46177ab67b7SOr Gerlitz { 462b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 46377ab67b7SOr Gerlitz struct net_device *netdev; 46477ab67b7SOr Gerlitz struct mlx5e_priv *priv; 46577ab67b7SOr Gerlitz 466b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 467b1c2f631SDima Chumak if (!netdev) 468b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 469b1c2f631SDima Chumak 47077ab67b7SOr Gerlitz priv = netdev_priv(netdev); 471b1c2f631SDima Chumak mdev = priv->mdev; 472b1c2f631SDima Chumak dev_put(netdev); 473b1c2f631SDima Chumak 474b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 475b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 476b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 477b1c2f631SDima Chumak * 478b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 479b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 480b1c2f631SDima Chumak * removed. 481b1c2f631SDima Chumak * 482b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 483b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 484b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 485b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 486b1c2f631SDima Chumak */ 487b1c2f631SDima Chumak return mdev; 48877ab67b7SOr Gerlitz } 48977ab67b7SOr Gerlitz 49077ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 49177ab67b7SOr Gerlitz { 492a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 49377ab67b7SOr Gerlitz int err; 49477ab67b7SOr Gerlitz 495a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 496a6696735SMaxim Mikityanskiy if (!builder) 497a6696735SMaxim Mikityanskiy return -ENOMEM; 498a6696735SMaxim Mikityanskiy 49977ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 50077ab67b7SOr Gerlitz if (err) 501a6696735SMaxim Mikityanskiy goto out; 50277ab67b7SOr Gerlitz 503a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 504a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 50577ab67b7SOr Gerlitz if (err) 50677ab67b7SOr Gerlitz goto create_tir_err; 50777ab67b7SOr Gerlitz 508a6696735SMaxim Mikityanskiy out: 509a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 510a6696735SMaxim Mikityanskiy return err; 51177ab67b7SOr Gerlitz 51277ab67b7SOr Gerlitz create_tir_err: 51377ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 514a6696735SMaxim Mikityanskiy 515a6696735SMaxim Mikityanskiy goto out; 51677ab67b7SOr Gerlitz } 51777ab67b7SOr Gerlitz 51877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 51977ab67b7SOr Gerlitz { 520a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 52177ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 52277ab67b7SOr Gerlitz } 52377ab67b7SOr Gerlitz 5243f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5253f6d08d1SOr Gerlitz { 5263f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5273f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 52806e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 52906e9f13aSMaxim Mikityanskiy int err; 5303f6d08d1SOr Gerlitz 53106e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 53206e9f13aSMaxim Mikityanskiy if (!indir) 5333f6d08d1SOr Gerlitz return -ENOMEM; 5343f6d08d1SOr Gerlitz 53543befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 53606e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 53743ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 53843ec0f41SMaxim Mikityanskiy indir); 5393f6d08d1SOr Gerlitz 54006e9f13aSMaxim Mikityanskiy kvfree(indir); 5413f6d08d1SOr Gerlitz return err; 5423f6d08d1SOr Gerlitz } 5433f6d08d1SOr Gerlitz 5443f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5453f6d08d1SOr Gerlitz { 5463f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 54743ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 548d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 549a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 550a6696735SMaxim Mikityanskiy int err = 0; 551a6696735SMaxim Mikityanskiy 552a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 553a6696735SMaxim Mikityanskiy if (!builder) 554a6696735SMaxim Mikityanskiy return -ENOMEM; 555a6696735SMaxim Mikityanskiy 55643ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 5573f6d08d1SOr Gerlitz 5583f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 55965d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 560d930ac79SAya Levin 56165d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 5623f6d08d1SOr Gerlitz 563a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 564a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 565a6696735SMaxim Mikityanskiy false); 56643ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 567bbeb53b8SAya Levin 568a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 5693f6d08d1SOr Gerlitz if (err) { 5703f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5713f6d08d1SOr Gerlitz goto err_destroy_tirs; 5723f6d08d1SOr Gerlitz } 573a6696735SMaxim Mikityanskiy 574a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 5753f6d08d1SOr Gerlitz } 576a6696735SMaxim Mikityanskiy 577a6696735SMaxim Mikityanskiy out: 578a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 579a6696735SMaxim Mikityanskiy return err; 5803f6d08d1SOr Gerlitz 5813f6d08d1SOr Gerlitz err_destroy_tirs: 582a6696735SMaxim Mikityanskiy max_tt = tt; 583a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 584a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 585a6696735SMaxim Mikityanskiy 586a6696735SMaxim Mikityanskiy goto out; 5873f6d08d1SOr Gerlitz } 5883f6d08d1SOr Gerlitz 5893f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5903f6d08d1SOr Gerlitz { 5913f6d08d1SOr Gerlitz int tt; 5923f6d08d1SOr Gerlitz 5933f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 594a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 5953f6d08d1SOr Gerlitz } 5963f6d08d1SOr Gerlitz 5973f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5983f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5993f6d08d1SOr Gerlitz { 6003f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6013f6d08d1SOr Gerlitz int tt; 6023f6d08d1SOr Gerlitz 6033f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6043f6d08d1SOr Gerlitz 605bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 606bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 607bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 608bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 609bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 610bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 611bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 612bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 613bc29764eSMaor Gottlieb } 6143f6d08d1SOr Gerlitz 6153f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6163f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6173f6d08d1SOr Gerlitz } 6183f6d08d1SOr Gerlitz 6193f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6203f6d08d1SOr Gerlitz { 6213f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6223f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6233f6d08d1SOr Gerlitz int err; 6243f6d08d1SOr Gerlitz 6253f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6263f6d08d1SOr Gerlitz if (err) 6273f6d08d1SOr Gerlitz return err; 6283f6d08d1SOr Gerlitz 6293f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6303f6d08d1SOr Gerlitz if (err) 6313f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6323f6d08d1SOr Gerlitz 6333f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 634f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 635f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 636f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 6373f6d08d1SOr Gerlitz goto err_create_ttc_table; 638f4b45940SMaor Gottlieb } 6393f6d08d1SOr Gerlitz 6403f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 641f4b45940SMaor Gottlieb hp->num_channels, 642f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(priv->fs.ttc)->id); 6433f6d08d1SOr Gerlitz 6443f6d08d1SOr Gerlitz return 0; 6453f6d08d1SOr Gerlitz 6463f6d08d1SOr Gerlitz err_create_ttc_table: 6473f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6483f6d08d1SOr Gerlitz err_create_indirect_tirs: 64906e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6503f6d08d1SOr Gerlitz 6513f6d08d1SOr Gerlitz return err; 6523f6d08d1SOr Gerlitz } 6533f6d08d1SOr Gerlitz 6543f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6553f6d08d1SOr Gerlitz { 656f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 6573f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 65806e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6593f6d08d1SOr Gerlitz } 6603f6d08d1SOr Gerlitz 66177ab67b7SOr Gerlitz static struct mlx5e_hairpin * 66277ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 66377ab67b7SOr Gerlitz int peer_ifindex) 66477ab67b7SOr Gerlitz { 66577ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 66677ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 66777ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 66877ab67b7SOr Gerlitz int err; 66977ab67b7SOr Gerlitz 67077ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 67177ab67b7SOr Gerlitz if (!hp) 67277ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 67377ab67b7SOr Gerlitz 67477ab67b7SOr Gerlitz func_mdev = priv->mdev; 67577ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 676b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 677b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 678b1c2f631SDima Chumak goto create_pair_err; 679b1c2f631SDima Chumak } 68077ab67b7SOr Gerlitz 68177ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 68277ab67b7SOr Gerlitz if (IS_ERR(pair)) { 68377ab67b7SOr Gerlitz err = PTR_ERR(pair); 68477ab67b7SOr Gerlitz goto create_pair_err; 68577ab67b7SOr Gerlitz } 68677ab67b7SOr Gerlitz hp->pair = pair; 68777ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6883f6d08d1SOr Gerlitz hp->func_priv = priv; 6893f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 69077ab67b7SOr Gerlitz 69177ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 69277ab67b7SOr Gerlitz if (err) 69377ab67b7SOr Gerlitz goto create_transport_err; 69477ab67b7SOr Gerlitz 6953f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6963f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6973f6d08d1SOr Gerlitz if (err) 6983f6d08d1SOr Gerlitz goto rss_init_err; 6993f6d08d1SOr Gerlitz } 7003f6d08d1SOr Gerlitz 70177ab67b7SOr Gerlitz return hp; 70277ab67b7SOr Gerlitz 7033f6d08d1SOr Gerlitz rss_init_err: 7043f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 70577ab67b7SOr Gerlitz create_transport_err: 70677ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 70777ab67b7SOr Gerlitz create_pair_err: 70877ab67b7SOr Gerlitz kfree(hp); 70977ab67b7SOr Gerlitz return ERR_PTR(err); 71077ab67b7SOr Gerlitz } 71177ab67b7SOr Gerlitz 71277ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 71377ab67b7SOr Gerlitz { 7143f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7153f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 71677ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 71777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 71877ab67b7SOr Gerlitz kvfree(hp); 71977ab67b7SOr Gerlitz } 72077ab67b7SOr Gerlitz 721106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 722106be53bSOr Gerlitz { 723106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 724106be53bSOr Gerlitz } 725106be53bSOr Gerlitz 7265c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 727106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7285c65c564SOr Gerlitz { 7295c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 730106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7315c65c564SOr Gerlitz 7325c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 733106be53bSOr Gerlitz hairpin_hlist, hash_key) { 734e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 735e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7365c65c564SOr Gerlitz return hpe; 7375c65c564SOr Gerlitz } 738e4f9abbdSVlad Buslov } 7395c65c564SOr Gerlitz 7405c65c564SOr Gerlitz return NULL; 7415c65c564SOr Gerlitz } 7425c65c564SOr Gerlitz 743e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 744e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 745e4f9abbdSVlad Buslov { 746e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 747b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 748e4f9abbdSVlad Buslov return; 749b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 750b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 751e4f9abbdSVlad Buslov 752db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 753e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 754e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 755e4f9abbdSVlad Buslov 756e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 757db76ca24SVlad Buslov } 758db76ca24SVlad Buslov 759db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 760e4f9abbdSVlad Buslov kfree(hpe); 761e4f9abbdSVlad Buslov } 762e4f9abbdSVlad Buslov 763106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 764106be53bSOr Gerlitz 765106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 766e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 767e98bedf5SEli Britstein struct netlink_ext_ack *extack) 768106be53bSOr Gerlitz { 769106be53bSOr Gerlitz void *headers_c, *headers_v; 770106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 771106be53bSOr Gerlitz bool vlan_present; 772106be53bSOr Gerlitz 773106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 774106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 775e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 776e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 777106be53bSOr Gerlitz return -EOPNOTSUPP; 778106be53bSOr Gerlitz } 779106be53bSOr Gerlitz #endif 780106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 781106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 782106be53bSOr Gerlitz 783106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 784106be53bSOr Gerlitz if (vlan_present) { 785106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 786106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 787106be53bSOr Gerlitz } 788106be53bSOr Gerlitz 789106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 790106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 791106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 792e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 793e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 794106be53bSOr Gerlitz return -EOPNOTSUPP; 795106be53bSOr Gerlitz } 796106be53bSOr Gerlitz 797106be53bSOr Gerlitz *match_prio = prio_val; 798106be53bSOr Gerlitz return 0; 799106be53bSOr Gerlitz } 800106be53bSOr Gerlitz 8015c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8025c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 803e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 804e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8055c65c564SOr Gerlitz { 80698b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8075c65c564SOr Gerlitz struct mlx5_hairpin_params params; 808d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8095c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8105c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8113f6d08d1SOr Gerlitz u64 link_speed64; 8123f6d08d1SOr Gerlitz u32 link_speed; 813106be53bSOr Gerlitz u8 match_prio; 814d8822868SOr Gerlitz u16 peer_id; 8155c65c564SOr Gerlitz int err; 8165c65c564SOr Gerlitz 817d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 818b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 819b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 820b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 821b1c2f631SDima Chumak } 822b1c2f631SDima Chumak 823d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 824e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8255c65c564SOr Gerlitz return -EOPNOTSUPP; 8265c65c564SOr Gerlitz } 8275c65c564SOr Gerlitz 828d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 829e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 830e98bedf5SEli Britstein extack); 831106be53bSOr Gerlitz if (err) 832106be53bSOr Gerlitz return err; 833b32accdaSVlad Buslov 834b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 835106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 836db76ca24SVlad Buslov if (hpe) { 837db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 838db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 839db76ca24SVlad Buslov 840db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 841db76ca24SVlad Buslov err = -EREMOTEIO; 842db76ca24SVlad Buslov goto out_err; 843db76ca24SVlad Buslov } 8445c65c564SOr Gerlitz goto attach_flow; 845db76ca24SVlad Buslov } 8465c65c564SOr Gerlitz 8475c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 848b32accdaSVlad Buslov if (!hpe) { 849db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 850db76ca24SVlad Buslov return -ENOMEM; 851b32accdaSVlad Buslov } 8525c65c564SOr Gerlitz 85373edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8545c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 855db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 856d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 857106be53bSOr Gerlitz hpe->prio = match_prio; 858e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 859db76ca24SVlad Buslov init_completion(&hpe->res_ready); 860db76ca24SVlad Buslov 861db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 862db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 863db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8645c65c564SOr Gerlitz 8656cdc686aSAriel Levkovich params.log_data_size = 16; 8665c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8675c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8685c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8695c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8705c65c564SOr Gerlitz 871eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 872eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 873eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 874eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 875eb9180f7SOr Gerlitz 876eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8773f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8782c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8793f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8803f6d08d1SOr Gerlitz link_speed64 = link_speed; 8813f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8823f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8833f6d08d1SOr Gerlitz 8845c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 885db76ca24SVlad Buslov hpe->hp = hp; 886db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8875c65c564SOr Gerlitz if (IS_ERR(hp)) { 8885c65c564SOr Gerlitz err = PTR_ERR(hp); 889db76ca24SVlad Buslov goto out_err; 8905c65c564SOr Gerlitz } 8915c65c564SOr Gerlitz 892eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 893a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 89427b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 895eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8965c65c564SOr Gerlitz 8975c65c564SOr Gerlitz attach_flow: 8983f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 899226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 900f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 901f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 9023f6d08d1SOr Gerlitz } else { 903a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 9043f6d08d1SOr Gerlitz } 905b32accdaSVlad Buslov 906e4f9abbdSVlad Buslov flow->hpe = hpe; 90773edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9085c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 90973edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9103f6d08d1SOr Gerlitz 9115c65c564SOr Gerlitz return 0; 9125c65c564SOr Gerlitz 913db76ca24SVlad Buslov out_err: 914db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9155c65c564SOr Gerlitz return err; 9165c65c564SOr Gerlitz } 9175c65c564SOr Gerlitz 9185c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9195c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9205c65c564SOr Gerlitz { 9215a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 922e4f9abbdSVlad Buslov if (!flow->hpe) 9235a7e5bcbSVlad Buslov return; 9245a7e5bcbSVlad Buslov 92573edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9265c65c564SOr Gerlitz list_del(&flow->hairpin); 92773edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 92873edca73SVlad Buslov 929e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 930e4f9abbdSVlad Buslov flow->hpe = NULL; 9315c65c564SOr Gerlitz } 9325c65c564SOr Gerlitz 93308247066SAriel Levkovich struct mlx5_flow_handle * 93408247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 93508247066SAriel Levkovich struct mlx5_flow_spec *spec, 936c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 937e8f887acSAmir Vadai { 93808247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 939*67d62ee7SRoi Dayan struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv); 940c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9416a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9425c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 94366958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9443bc4b7bfSOr Gerlitz .action = attr->action, 945bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 94666958ed9SHadar Hen Zion }; 94708247066SAriel Levkovich struct mlx5_flow_handle *rule; 948c7569097SAriel Levkovich struct mlx5_flow_table *ft; 94908247066SAriel Levkovich int dest_ix = 0; 950e8f887acSAmir Vadai 951bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 952c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 953bb0ee7dcSJianbo Liu 954aedd133dSAriel Levkovich if (attr->dest_ft) { 955aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 956aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 957aedd133dSAriel Levkovich dest_ix++; 958aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9593f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 960c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 96108247066SAriel Levkovich dest_ix++; 962c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9635c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 964c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9653f6d08d1SOr Gerlitz dest_ix++; 9663f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9675c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 968c7569097SAriel Levkovich if (attr->dest_chain) { 969c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 970c7569097SAriel Levkovich attr->dest_chain, 1, 971c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 972c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 973c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 974c7569097SAriel Levkovich } else { 9756783f0a2SVu Pham dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 976c7569097SAriel Levkovich } 9775c65c564SOr Gerlitz dest_ix++; 9785c65c564SOr Gerlitz } 979aad7e08dSAmir Vadai 980c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 981c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 982c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 983c7569097SAriel Levkovich 98408247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9855c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 98608247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9875c65c564SOr Gerlitz dest_ix++; 988aad7e08dSAmir Vadai } 989aad7e08dSAmir Vadai 99008247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9912b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9922f4fe4caSOr Gerlitz 9936a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9946a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 9956a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 9966a064674SAriel Levkovich tc->t = 997c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 99821b9c144SOr Gerlitz 9996a064674SAriel Levkovich if (IS_ERR(tc->t)) { 10006a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1001e8f887acSAmir Vadai netdev_err(priv->netdev, 1002e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1003c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 1004c7569097SAriel Levkovich goto err_ft_get; 1005e8f887acSAmir Vadai } 1006e8f887acSAmir Vadai } 100708247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1008e8f887acSAmir Vadai 1009aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1010c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1011c7569097SAriel Levkovich attr->chain, attr->prio, 1012c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1013aedd133dSAriel Levkovich else 1014aedd133dSAriel Levkovich ft = attr->ft; 1015aedd133dSAriel Levkovich 1016c7569097SAriel Levkovich if (IS_ERR(ft)) { 1017c7569097SAriel Levkovich rule = ERR_CAST(ft); 1018c7569097SAriel Levkovich goto err_ft_get; 1019c7569097SAriel Levkovich } 1020c7569097SAriel Levkovich 1021c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 102208247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 102338aa51c1SOr Gerlitz 1024c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10255c65c564SOr Gerlitz &flow_act, dest, dest_ix); 102608247066SAriel Levkovich if (IS_ERR(rule)) 1027c7569097SAriel Levkovich goto err_rule; 102808247066SAriel Levkovich 102908247066SAriel Levkovich return rule; 1030c7569097SAriel Levkovich 1031c7569097SAriel Levkovich err_rule: 1032aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1033c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1034c7569097SAriel Levkovich attr->chain, attr->prio, 1035c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1036c7569097SAriel Levkovich err_ft_get: 1037c7569097SAriel Levkovich if (attr->dest_chain) 1038c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1039c7569097SAriel Levkovich attr->dest_chain, 1, 1040c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1041c7569097SAriel Levkovich 1042c7569097SAriel Levkovich return ERR_CAST(rule); 104308247066SAriel Levkovich } 104408247066SAriel Levkovich 104508247066SAriel Levkovich static int 104608247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 104708247066SAriel Levkovich struct mlx5e_tc_flow *flow, 104808247066SAriel Levkovich struct netlink_ext_ack *extack) 104908247066SAriel Levkovich { 1050c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1051c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 105208247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 105397a8d29aSRoi Dayan struct mlx5_fc *counter; 105408247066SAriel Levkovich int err; 105508247066SAriel Levkovich 1056c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1057c6cfe113SRoi Dayan 105808247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 105908247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 106008247066SAriel Levkovich if (err) 106108247066SAriel Levkovich return err; 106208247066SAriel Levkovich } 106308247066SAriel Levkovich 106408247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 106508247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 106608247066SAriel Levkovich if (IS_ERR(counter)) 106708247066SAriel Levkovich return PTR_ERR(counter); 106808247066SAriel Levkovich 106908247066SAriel Levkovich attr->counter = counter; 107008247066SAriel Levkovich } 107108247066SAriel Levkovich 107208247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 107308247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 10742c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 107508247066SAriel Levkovich if (err) 107608247066SAriel Levkovich return err; 107708247066SAriel Levkovich } 107808247066SAriel Levkovich 1079aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1080aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1081aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1082aedd133dSAriel Levkovich else 108308247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 108408247066SAriel Levkovich attr); 1085e8f887acSAmir Vadai 1086a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1087e8f887acSAmir Vadai } 1088e8f887acSAmir Vadai 108908247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1090c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1091c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 109208247066SAriel Levkovich { 1093*67d62ee7SRoi Dayan struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv); 1094c7569097SAriel Levkovich 109508247066SAriel Levkovich mlx5_del_flow_rules(rule); 1096c7569097SAriel Levkovich 1097aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1098c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1099c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1100c7569097SAriel Levkovich 1101c7569097SAriel Levkovich if (attr->dest_chain) 1102c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1103c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 110408247066SAriel Levkovich } 110508247066SAriel Levkovich 1106d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1107d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1108d85cdccbSOr Gerlitz { 1109c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 11106a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1111d85cdccbSOr Gerlitz 1112c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1113c7569097SAriel Levkovich 1114aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1115aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1116aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1117aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1118aedd133dSAriel Levkovich 1119c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1120c7569097SAriel Levkovich * extra steering hops. 1121c7569097SAriel Levkovich */ 1122b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11236a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11246a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 1125*67d62ee7SRoi Dayan mlx5_chains_put_table(mlx5e_nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1126d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1127d85cdccbSOr Gerlitz } 1128b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11292f4fe4caSOr Gerlitz 1130513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11313099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11325c65c564SOr Gerlitz 1133972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1134aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1135aedd133dSAriel Levkovich 1136226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11375c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1138c620b772SAriel Levkovich 113988d97486SRoi Dayan kvfree(attr->parse_attr); 1140c620b772SAriel Levkovich kfree(flow->attr); 1141d85cdccbSOr Gerlitz } 1142d85cdccbSOr Gerlitz 11430d9f9647SVlad Buslov struct mlx5_flow_handle * 11446d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11456d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11466d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1147c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11486d2a3ed0SOr Gerlitz { 11491ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11506d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11514c3844d9SPaul Blakey 115289e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 115389e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 115489e39467SPaul Blakey 11551ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11561ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11571ef3018fSPaul Blakey 115869e2916eSPaul Blakey rule = mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1159aedd133dSAriel Levkovich flow, spec, attr, 11601ef3018fSPaul Blakey mod_hdr_acts); 1161f94d6389SChris Mi } else if (flow_flag_test(flow, SAMPLE)) { 1162ee950e5dSChris Mi rule = mlx5e_tc_sample_offload(get_sample_priv(flow->priv), spec, attr, 1163ee950e5dSChris Mi mlx5e_tc_get_flow_tun_id(flow)); 116469e2916eSPaul Blakey } else { 116569e2916eSPaul Blakey rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11661ef3018fSPaul Blakey } 11676d2a3ed0SOr Gerlitz 11686d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11696d2a3ed0SOr Gerlitz return rule; 11706d2a3ed0SOr Gerlitz 1171c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11726d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11736d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 117469e2916eSPaul Blakey if (flow_flag_test(flow, CT)) 117569e2916eSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 117669e2916eSPaul Blakey else 11776d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11786d2a3ed0SOr Gerlitz return flow->rule[1]; 11796d2a3ed0SOr Gerlitz } 11806d2a3ed0SOr Gerlitz } 11816d2a3ed0SOr Gerlitz 11826d2a3ed0SOr Gerlitz return rule; 11836d2a3ed0SOr Gerlitz } 11846d2a3ed0SOr Gerlitz 11850d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11866d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1187c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11886d2a3ed0SOr Gerlitz { 1189226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11906d2a3ed0SOr Gerlitz 119189e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 119289e39467SPaul Blakey goto offload_rule_0; 119389e39467SPaul Blakey 11944c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 1195aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 11964c3844d9SPaul Blakey return; 11974c3844d9SPaul Blakey } 11984c3844d9SPaul Blakey 1199f94d6389SChris Mi if (flow_flag_test(flow, SAMPLE)) { 12000027d70cSChris Mi mlx5e_tc_sample_unoffload(get_sample_priv(flow->priv), flow->rule[0], attr); 1201f94d6389SChris Mi return; 1202f94d6389SChris Mi } 1203f94d6389SChris Mi 1204c620b772SAriel Levkovich if (attr->esw_attr->split_count) 12056d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 12066d2a3ed0SOr Gerlitz 120789e39467SPaul Blakey offload_rule_0: 12086d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 12096d2a3ed0SOr Gerlitz } 12106d2a3ed0SOr Gerlitz 12110d9f9647SVlad Buslov struct mlx5_flow_handle * 12125dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12135dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1214178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12155dbe906fSPaul Blakey { 1216c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12175dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12185dbe906fSPaul Blakey 1219c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1220c620b772SAriel Levkovich if (!slow_attr) 1221c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12225dbe906fSPaul Blakey 1223c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1224c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1225c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1226c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1227c620b772SAriel Levkovich 1228c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12295dbe906fSPaul Blakey if (!IS_ERR(rule)) 1230226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12315dbe906fSPaul Blakey 1232c620b772SAriel Levkovich kfree(slow_attr); 1233c620b772SAriel Levkovich 12345dbe906fSPaul Blakey return rule; 12355dbe906fSPaul Blakey } 12365dbe906fSPaul Blakey 12370d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1238178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12395dbe906fSPaul Blakey { 1240c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1241178f69b4SEli Cohen 1242c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12435efbe617SAriel Levkovich if (!slow_attr) { 12445efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12455efbe617SAriel Levkovich return; 12465efbe617SAriel Levkovich } 1247c620b772SAriel Levkovich 1248c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1249c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1250c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1251c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1252c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1253226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1254c620b772SAriel Levkovich kfree(slow_attr); 12555dbe906fSPaul Blakey } 12565dbe906fSPaul Blakey 1257ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1258ad86755bSVlad Buslov * function. 1259ad86755bSVlad Buslov */ 1260ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1261ad86755bSVlad Buslov struct list_head *unready_flows) 1262ad86755bSVlad Buslov { 1263ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1264ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1265ad86755bSVlad Buslov } 1266ad86755bSVlad Buslov 1267ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1268ad86755bSVlad Buslov * function. 1269ad86755bSVlad Buslov */ 1270ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1271ad86755bSVlad Buslov { 1272ad86755bSVlad Buslov list_del(&flow->unready); 1273ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1274ad86755bSVlad Buslov } 1275ad86755bSVlad Buslov 1276b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1277b4a23329SRoi Dayan { 1278b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1279b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1280b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1281b4a23329SRoi Dayan 1282b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1283b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1284b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1285b4a23329SRoi Dayan 1286ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1287ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1288ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1289b4a23329SRoi Dayan } 1290b4a23329SRoi Dayan 1291b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1292b4a23329SRoi Dayan { 1293ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1294ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1295ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1296ad86755bSVlad Buslov 1297ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1298ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1299ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1300ad86755bSVlad Buslov 1301ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1302ad86755bSVlad Buslov unready_flow_del(flow); 1303ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1304b4a23329SRoi Dayan } 1305b4a23329SRoi Dayan 130610742efcSVlad Buslov static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv); 130710742efcSVlad Buslov 1308a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 130910742efcSVlad Buslov { 131010742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 131110742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 131210742efcSVlad Buslov 131310742efcSVlad Buslov out_priv = netdev_priv(out_dev); 131410742efcSVlad Buslov out_mdev = out_priv->mdev; 131510742efcSVlad Buslov route_priv = netdev_priv(route_dev); 131610742efcSVlad Buslov route_mdev = route_priv->mdev; 131710742efcSVlad Buslov 131810742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 131910742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 132010742efcSVlad Buslov return false; 132110742efcSVlad Buslov 132210742efcSVlad Buslov return same_hw_devs(out_priv, route_priv); 132310742efcSVlad Buslov } 132410742efcSVlad Buslov 1325a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 132610742efcSVlad Buslov { 132710742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1328f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 132910742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 133010742efcSVlad Buslov struct mlx5_eswitch *esw; 133110742efcSVlad Buslov u16 vhca_id; 133210742efcSVlad Buslov int err; 133310742efcSVlad Buslov 133410742efcSVlad Buslov out_priv = netdev_priv(out_dev); 133510742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 133610742efcSVlad Buslov route_priv = netdev_priv(route_dev); 133710742efcSVlad Buslov route_mdev = route_priv->mdev; 133810742efcSVlad Buslov 133910742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1340f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1341f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1342f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1343f9d196bdSDmytro Linkin * eswitch. 1344f9d196bdSDmytro Linkin */ 134510742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1346f9d196bdSDmytro Linkin if (err != -ENOENT) 1347f9d196bdSDmytro Linkin return err; 1348f9d196bdSDmytro Linkin 1349f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1350f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1351f9d196bdSDmytro Linkin if (!esw) 1352f9d196bdSDmytro Linkin return -ENODEV; 1353f9d196bdSDmytro Linkin } 1354f9d196bdSDmytro Linkin 1355f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1356f9d196bdSDmytro Linkin if (devcom) 1357f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 135810742efcSVlad Buslov return err; 135910742efcSVlad Buslov } 136010742efcSVlad Buslov 1361c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1362c7b9038dSVlad Buslov struct mlx5e_tc_flow_parse_attr *parse_attr, 1363c7b9038dSVlad Buslov struct mlx5e_tc_flow *flow) 1364c7b9038dSVlad Buslov { 1365c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &parse_attr->mod_hdr_acts; 1366c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1367c7b9038dSVlad Buslov 1368c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1369c7b9038dSVlad Buslov get_flow_name_space(flow), 1370c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1371c7b9038dSVlad Buslov mod_hdr_acts->actions); 1372c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1373c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1374c7b9038dSVlad Buslov 1375c7b9038dSVlad Buslov WARN_ON(flow->attr->modify_hdr); 1376c7b9038dSVlad Buslov flow->attr->modify_hdr = mod_hdr; 1377c7b9038dSVlad Buslov 1378c7b9038dSVlad Buslov return 0; 1379c7b9038dSVlad Buslov } 1380c7b9038dSVlad Buslov 1381c83954abSRabie Loulou static int 138274491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1383e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1384e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1385adb4c123SOr Gerlitz { 1386adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1387c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1388c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 13898914add2SVlad Buslov bool vf_tun = false, encap_valid = true; 1390fe7738ebSDima Chumak struct net_device *encap_dev = NULL; 1391c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 13923c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13933c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 139497a8d29aSRoi Dayan struct mlx5_fc *counter; 139539ac237cSPaul Blakey u32 max_prio, max_chain; 13960ad060eeSRoi Dayan int err = 0; 1397f493f155SEli Britstein int out_index; 13988b32580dSOr Gerlitz 1399b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1400b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1401b16eb3c8SAriel Levkovich 140284179981SPaul Blakey /* We check chain range only for tc flows. 140384179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 140484179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 140584179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 140684179981SPaul Blakey */ 1407ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 140884179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 140961644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 141061644c3dSRoi Dayan "Requested chain is out of supported range"); 14118914add2SVlad Buslov err = -EOPNOTSUPP; 14128914add2SVlad Buslov goto err_out; 1413bf07aa73SPaul Blakey } 1414bf07aa73SPaul Blakey 1415ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1416bf07aa73SPaul Blakey if (attr->prio > max_prio) { 141761644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 141861644c3dSRoi Dayan "Requested priority is out of supported range"); 14198914add2SVlad Buslov err = -EOPNOTSUPP; 14208914add2SVlad Buslov goto err_out; 1421bf07aa73SPaul Blakey } 1422bf07aa73SPaul Blakey 1423777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1424777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1425777bb800SVlad Buslov if (err) 14268914add2SVlad Buslov goto err_out; 1427b16eb3c8SAriel Levkovich 1428b16eb3c8SAriel Levkovich if (!attr->chain && esw_attr->int_port) { 1429b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1430b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1431b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1432b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1433b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1434b16eb3c8SAriel Levkovich * from the proper chain. 1435b16eb3c8SAriel Levkovich */ 1436b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1437b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1438b16eb3c8SAriel Levkovich 1439b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1440b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1441b16eb3c8SAriel Levkovich metadata); 1442b16eb3c8SAriel Levkovich if (err) 144331108d14SChristophe JAILLET goto err_out; 1444b16eb3c8SAriel Levkovich } 1445777bb800SVlad Buslov } 1446777bb800SVlad Buslov 144714e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 144814e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 144914e6b038SEli Cohen if (err) 14508914add2SVlad Buslov goto err_out; 145114e6b038SEli Cohen } 145214e6b038SEli Cohen 1453166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1454166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1455166f431eSAriel Levkovich 1456166f431eSAriel Levkovich if (attr->chain) { 1457166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1458166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 145931108d14SChristophe JAILLET err = -EOPNOTSUPP; 146031108d14SChristophe JAILLET goto err_out; 1461166f431eSAriel Levkovich } 1462166f431eSAriel Levkovich 1463166f431eSAriel Levkovich if (attr->dest_chain) { 1464166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1465166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 146631108d14SChristophe JAILLET err = -EOPNOTSUPP; 146731108d14SChristophe JAILLET goto err_out; 1468166f431eSAriel Levkovich } 1469166f431eSAriel Levkovich 1470166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1471166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1472166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1473166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1474166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 147531108d14SChristophe JAILLET if (IS_ERR(int_port)) { 147631108d14SChristophe JAILLET err = PTR_ERR(int_port); 147731108d14SChristophe JAILLET goto err_out; 147831108d14SChristophe JAILLET } 1479166f431eSAriel Levkovich 1480166f431eSAriel Levkovich esw_attr->int_port = int_port; 1481166f431eSAriel Levkovich } 1482166f431eSAriel Levkovich 1483f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 1484fe7738ebSDima Chumak struct net_device *out_dev; 14858c4dc42bSEli Britstein int mirred_ifindex; 14868c4dc42bSEli Britstein 1487c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1488f493f155SEli Britstein continue; 1489f493f155SEli Britstein 14907040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 1491fe7738ebSDima Chumak out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 1492fe7738ebSDima Chumak if (!out_dev) { 1493fe7738ebSDima Chumak NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 1494fe7738ebSDima Chumak err = -ENODEV; 1495fe7738ebSDima Chumak goto err_out; 1496fe7738ebSDima Chumak } 1497733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 14980ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 1499fe7738ebSDima Chumak dev_put(out_dev); 15000ad060eeSRoi Dayan if (err) 15018914add2SVlad Buslov goto err_out; 15020ad060eeSRoi Dayan 15038914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 1504100ad4e2SAriel Levkovich MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 1505100ad4e2SAriel Levkovich !esw_attr->dest_int_port) 15068914add2SVlad Buslov vf_tun = true; 15073c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 15083c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1509c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1510c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 15113c37745eSOr Gerlitz } 15123c37745eSOr Gerlitz 15137d1a3d08SVlad Buslov if (vf_tun && esw_attr->out_count > 1) { 15147d1a3d08SVlad Buslov NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 15157d1a3d08SVlad Buslov err = -EOPNOTSUPP; 15167d1a3d08SVlad Buslov goto err_out; 15177d1a3d08SVlad Buslov } 15187d1a3d08SVlad Buslov 15198b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1520c83954abSRabie Loulou if (err) 15218914add2SVlad Buslov goto err_out; 1522adb4c123SOr Gerlitz 1523d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1524d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 15258914add2SVlad Buslov if (vf_tun) { 15268914add2SVlad Buslov err = mlx5e_tc_add_flow_mod_hdr(priv, parse_attr, flow); 15278914add2SVlad Buslov if (err) 15288914add2SVlad Buslov goto err_out; 15298914add2SVlad Buslov } else { 15301a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1531c83954abSRabie Loulou if (err) 15328914add2SVlad Buslov goto err_out; 15338914add2SVlad Buslov } 1534d7e75a32SOr Gerlitz } 1535d7e75a32SOr Gerlitz 1536b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1537c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 15388914add2SVlad Buslov if (IS_ERR(counter)) { 15398914add2SVlad Buslov err = PTR_ERR(counter); 15408914add2SVlad Buslov goto err_out; 15418914add2SVlad Buslov } 1542b8aee822SMark Bloch 1543b8aee822SMark Bloch attr->counter = counter; 1544b8aee822SMark Bloch } 1545b8aee822SMark Bloch 15460ad060eeSRoi Dayan /* we get here if one of the following takes place: 15470ad060eeSRoi Dayan * (1) there's no error 15480ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 15493c37745eSOr Gerlitz */ 1550bc1d75faSRoi Dayan if (!encap_valid) 1551178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1552bc1d75faSRoi Dayan else 15536d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 15545dbe906fSPaul Blakey 15558914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 15568914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 15578914add2SVlad Buslov goto err_out; 15588914add2SVlad Buslov } 1559226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1560c83954abSRabie Loulou 15615dbe906fSPaul Blakey return 0; 15628914add2SVlad Buslov 15638914add2SVlad Buslov err_out: 15648914add2SVlad Buslov flow_flag_set(flow, FAILED); 15658914add2SVlad Buslov return err; 1566aa0cbbaeSOr Gerlitz } 1567d85cdccbSOr Gerlitz 15689272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 15699272e3dfSYevgeny Kliteynik { 1570c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 15719272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 15729272e3dfSYevgeny Kliteynik spec->match_value, 15739272e3dfSYevgeny Kliteynik misc_parameters_3); 15749272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 15759272e3dfSYevgeny Kliteynik headers_v, 15769272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 15779272e3dfSYevgeny Kliteynik 15789272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 15799272e3dfSYevgeny Kliteynik } 15809272e3dfSYevgeny Kliteynik 1581d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1582d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1583d85cdccbSOr Gerlitz { 1584d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1585c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1586777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 15878914add2SVlad Buslov bool vf_tun = false; 1588f493f155SEli Britstein int out_index; 1589d85cdccbSOr Gerlitz 1590777bb800SVlad Buslov esw_attr = attr->esw_attr; 15910a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 15920a7fcb78SPaul Blakey 159312a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1594b4a23329SRoi Dayan remove_unready_flow(flow); 1595ef06c9eeSRoi Dayan 1596226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1597226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1598178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 15995dbe906fSPaul Blakey else 16005dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 16015dbe906fSPaul Blakey } 1602362980eaSVlad Buslov complete_all(&flow->del_hw_done); 1603d85cdccbSOr Gerlitz 16049272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 16059272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 16069272e3dfSYevgeny Kliteynik 1607513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1608d85cdccbSOr Gerlitz 1609777bb800SVlad Buslov if (flow->decap_route) 1610777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1611777bb800SVlad Buslov 1612777bb800SVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 16138914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 1614100ad4e2SAriel Levkovich MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 1615100ad4e2SAriel Levkovich !esw_attr->dest_int_port) 16168914add2SVlad Buslov vf_tun = true; 1617777bb800SVlad Buslov if (esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 16188c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 16192a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 16202a4b6526SVlad Buslov } 1621777bb800SVlad Buslov } 1622d7e75a32SOr Gerlitz 1623aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 16244c8594adSRoi Dayan 1625c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 16262c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 16278914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 16288914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 16298914add2SVlad Buslov else 16301a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1631c7b9038dSVlad Buslov } 1632b8aee822SMark Bloch 1633b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1634777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 163514e6b038SEli Cohen 1636166f431eSAriel Levkovich if (esw_attr->int_port) 1637166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 1638166f431eSAriel Levkovich 163927484f71SAriel Levkovich if (esw_attr->dest_int_port) 164027484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 164127484f71SAriel Levkovich 164214e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 164314e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1644c620b772SAriel Levkovich 164588d97486SRoi Dayan kfree(attr->sample_attr); 164688d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 164788d97486SRoi Dayan kvfree(attr->parse_attr); 1648c620b772SAriel Levkovich kfree(flow->attr); 1649d85cdccbSOr Gerlitz } 1650d85cdccbSOr Gerlitz 16510d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1652b8aee822SMark Bloch { 1653c620b772SAriel Levkovich return flow->attr->counter; 1654b8aee822SMark Bloch } 1655b8aee822SMark Bloch 16566a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1657021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 16586a06c2f7SVlad Buslov { 16596a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 16606a06c2f7SVlad Buslov 16616a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 16626a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 16636a06c2f7SVlad Buslov } 16646a06c2f7SVlad Buslov 166504de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 166604de7ddaSRoi Dayan { 166704de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 166804de7ddaSRoi Dayan 1669226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1670226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 167104de7ddaSRoi Dayan return; 167204de7ddaSRoi Dayan 167304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 167404de7ddaSRoi Dayan list_del(&flow->peer); 167504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 167604de7ddaSRoi Dayan 1677226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 167804de7ddaSRoi Dayan 1679eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 168004de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1681a23dae79SRoi Dayan kfree(flow->peer_flow); 1682eb252c3aSRoi Dayan } 1683eb252c3aSRoi Dayan 168404de7ddaSRoi Dayan flow->peer_flow = NULL; 168504de7ddaSRoi Dayan } 168604de7ddaSRoi Dayan 168704de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 168804de7ddaSRoi Dayan { 168904de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 169004de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 169104de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 169204de7ddaSRoi Dayan 169304de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 169404de7ddaSRoi Dayan if (!peer_esw) 169504de7ddaSRoi Dayan return; 169604de7ddaSRoi Dayan 169704de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 169804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 169904de7ddaSRoi Dayan } 170004de7ddaSRoi Dayan 1701e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1702961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1703e8f887acSAmir Vadai { 1704226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 170504de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1706d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 170704de7ddaSRoi Dayan } else { 1708d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1709e8f887acSAmir Vadai } 171004de7ddaSRoi Dayan } 1711e8f887acSAmir Vadai 1712ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 1713bbd00f7eSHadar Hen Zion { 1714f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17150a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 17160a7fcb78SPaul Blakey const struct flow_action_entry *act; 17170a7fcb78SPaul Blakey int i; 1718bbd00f7eSHadar Hen Zion 1719ee950e5dSChris Mi if (chain) 1720ee950e5dSChris Mi return false; 1721ee950e5dSChris Mi 17220a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 17230a7fcb78SPaul Blakey switch (act->id) { 17240a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 17250a7fcb78SPaul Blakey return true; 1726ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 1727ee950e5dSChris Mi return true; 17280a7fcb78SPaul Blakey default: 17290a7fcb78SPaul Blakey continue; 1730fe1587a7SDmytro Linkin } 17312e72eb43SOr Gerlitz } 1732bbd00f7eSHadar Hen Zion 17330a7fcb78SPaul Blakey return false; 17340a7fcb78SPaul Blakey } 1735bcef735cSOr Gerlitz 17360a7fcb78SPaul Blakey static int 17370a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 17380a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 17390a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 17400a7fcb78SPaul Blakey bool *dont_care) 17410a7fcb78SPaul Blakey { 17420a7fcb78SPaul Blakey struct geneve_opt *opt; 17430a7fcb78SPaul Blakey int off = 0; 1744bcef735cSOr Gerlitz 17450a7fcb78SPaul Blakey *dont_care = true; 1746bcef735cSOr Gerlitz 17470a7fcb78SPaul Blakey while (opts->len > off) { 17480a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1749e98bedf5SEli Britstein 17500a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 17510a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 17520a7fcb78SPaul Blakey *dont_care = false; 17530a7fcb78SPaul Blakey 1754c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1755d7a42ad0SRoi Dayan opt->type != U8_MAX) { 1756c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 17570a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 17580a7fcb78SPaul Blakey netdev_warn(priv->netdev, 17590a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1760e98bedf5SEli Britstein return -EOPNOTSUPP; 1761e98bedf5SEli Britstein } 1762bcef735cSOr Gerlitz } 1763bcef735cSOr Gerlitz 17640a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1765bbd00f7eSHadar Hen Zion } 1766bbd00f7eSHadar Hen Zion 1767bbd00f7eSHadar Hen Zion return 0; 1768bbd00f7eSHadar Hen Zion } 1769bbd00f7eSHadar Hen Zion 17700a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 17710a7fcb78SPaul Blakey ({ \ 17720a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 17730a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 17740a7fcb78SPaul Blakey \ 17750a7fcb78SPaul Blakey memcpy(__dst,\ 17760a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 17770a7fcb78SPaul Blakey diss_key,\ 17780a7fcb78SPaul Blakey __rule->match.key),\ 17790a7fcb78SPaul Blakey sizeof(*__dst));\ 17800a7fcb78SPaul Blakey }) 17810a7fcb78SPaul Blakey 17820a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 17830a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 17840a7fcb78SPaul Blakey struct flow_cls_offload *f, 17850a7fcb78SPaul Blakey struct net_device *filter_dev) 17868377629eSEli Britstein { 17870a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17880a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 17890a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 17900a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1791d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 17920a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1793c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 17940a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 17950a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 17960a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 17970a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 17980a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 17990a7fcb78SPaul Blakey u32 value, mask; 18000a7fcb78SPaul Blakey int err; 18010a7fcb78SPaul Blakey 18020a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 18030a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18040a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18050a7fcb78SPaul Blakey 18060a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 18070a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 18080a7fcb78SPaul Blakey &tunnel_key.enc_control); 18090a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 18100a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 18110a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 18120a7fcb78SPaul Blakey else 18130a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 18140a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 18150a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 18160a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 18170a7fcb78SPaul Blakey &tunnel_key.enc_tp); 18180a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 18190a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 18200a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 18210a7fcb78SPaul Blakey 18220a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 18230a7fcb78SPaul Blakey if (err) 18240a7fcb78SPaul Blakey return err; 18250a7fcb78SPaul Blakey 18260a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 18270a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 18280a7fcb78SPaul Blakey enc_opts_match.mask, 18290a7fcb78SPaul Blakey extack, 18300a7fcb78SPaul Blakey &enc_opts_is_dont_care); 18310a7fcb78SPaul Blakey if (err) 18320a7fcb78SPaul Blakey goto err_enc_opts; 18330a7fcb78SPaul Blakey 18340a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1835d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1836d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1837d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1838d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1839d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1840d7a42ad0SRoi Dayan 18410a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1842d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 18430a7fcb78SPaul Blakey if (err) 18440a7fcb78SPaul Blakey goto err_enc_opts; 18450a7fcb78SPaul Blakey } 18460a7fcb78SPaul Blakey 18470a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 18480a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 18490a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 18500a7fcb78SPaul Blakey 18510a7fcb78SPaul Blakey if (attr->chain) { 18520a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 18530a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 18540a7fcb78SPaul Blakey } else { 18550a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 18560a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1857aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 18580a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 18590a7fcb78SPaul Blakey if (err) 18600a7fcb78SPaul Blakey goto err_set; 18610a7fcb78SPaul Blakey 18620a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 18630a7fcb78SPaul Blakey } 18640a7fcb78SPaul Blakey 18650a7fcb78SPaul Blakey flow->tunnel_id = value; 18660a7fcb78SPaul Blakey return 0; 18670a7fcb78SPaul Blakey 18680a7fcb78SPaul Blakey err_set: 18690a7fcb78SPaul Blakey if (enc_opts_id) 18700a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18710a7fcb78SPaul Blakey enc_opts_id); 18720a7fcb78SPaul Blakey err_enc_opts: 18730a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18740a7fcb78SPaul Blakey return err; 18750a7fcb78SPaul Blakey } 18760a7fcb78SPaul Blakey 18770a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 18780a7fcb78SPaul Blakey { 18790a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 18800a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 18810a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18820a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18830a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18840a7fcb78SPaul Blakey 18850a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 18860a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18870a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18880a7fcb78SPaul Blakey 18890a7fcb78SPaul Blakey if (tun_id) 18900a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18910a7fcb78SPaul Blakey if (enc_opts_id) 18920a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18930a7fcb78SPaul Blakey enc_opts_id); 18940a7fcb78SPaul Blakey } 18950a7fcb78SPaul Blakey 18964c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 18974c3844d9SPaul Blakey { 18984c3844d9SPaul Blakey return flow->tunnel_id; 18994c3844d9SPaul Blakey } 19004c3844d9SPaul Blakey 1901fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1902fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1903fca53304SEli Britstein void *headers_c, void *headers_v) 19044a5d5d73SEli Britstein { 1905fca53304SEli Britstein bool ip_version_cap; 1906fca53304SEli Britstein 1907fca53304SEli Britstein ip_version_cap = outer ? 1908fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1909fca53304SEli Britstein ft_field_support.outer_ip_version) : 1910fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1911fca53304SEli Britstein ft_field_support.inner_ip_version); 1912fca53304SEli Britstein 1913fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1914fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1915fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1916fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1917fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1918fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1919fca53304SEli Britstein } else { 19204a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 19214a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 19224a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 19234a5d5d73SEli Britstein ntohs(match->key->n_proto)); 19244a5d5d73SEli Britstein } 1925fca53304SEli Britstein } 19264a5d5d73SEli Britstein 19270d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 1928a508728aSVlad Buslov { 1929a508728aSVlad Buslov void *headers_v; 1930a508728aSVlad Buslov u16 ethertype; 1931a508728aSVlad Buslov u8 ip_version; 1932a508728aSVlad Buslov 1933a508728aSVlad Buslov if (outer) 1934a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1935a508728aSVlad Buslov else 1936a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 1937a508728aSVlad Buslov 1938a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 1939a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 1940a508728aSVlad Buslov if (!ip_version) { 1941a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1942a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 1943a508728aSVlad Buslov ip_version = 4; 1944a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 1945a508728aSVlad Buslov ip_version = 6; 1946a508728aSVlad Buslov } 1947a508728aSVlad Buslov return ip_version; 1948a508728aSVlad Buslov } 1949a508728aSVlad Buslov 19500a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 19510a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19520a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 19530a7fcb78SPaul Blakey struct flow_cls_offload *f, 19540a7fcb78SPaul Blakey struct net_device *filter_dev, 19550a7fcb78SPaul Blakey u8 *match_level, 19560a7fcb78SPaul Blakey bool *match_inner) 19570a7fcb78SPaul Blakey { 1958a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 19590a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 19600a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19610a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 19620a7fcb78SPaul Blakey int err; 19630a7fcb78SPaul Blakey 19640885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 19650885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 19660a7fcb78SPaul Blakey return -EOPNOTSUPP; 19670885ae1aSAbhiram R N } 19680a7fcb78SPaul Blakey 1969c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 1970ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 19710a7fcb78SPaul Blakey *match_inner = !needs_mapping; 19720a7fcb78SPaul Blakey 19730a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1974636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 1975c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 1976636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19770a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1978636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19790a7fcb78SPaul Blakey return -EOPNOTSUPP; 19800a7fcb78SPaul Blakey } 19810a7fcb78SPaul Blakey 1982c620b772SAriel Levkovich if (!flow->attr->chain) { 19830a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 19840a7fcb78SPaul Blakey match_level); 19850a7fcb78SPaul Blakey if (err) { 19860a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 19870a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19880a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19890a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19900a7fcb78SPaul Blakey return err; 19910a7fcb78SPaul Blakey } 19920a7fcb78SPaul Blakey 199314e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 199414e6b038SEli Cohen * object 199514e6b038SEli Cohen */ 199614e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 1997c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 1998a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 1999a508728aSVlad Buslov if (err) 2000a508728aSVlad Buslov return err; 2001a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 2002a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2003a508728aSVlad Buslov 2004a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2005a508728aSVlad Buslov if (!tmp_spec) { 2006a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2007a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2008a508728aSVlad Buslov return -ENOMEM; 2009a508728aSVlad Buslov } 2010a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2011a508728aSVlad Buslov 2012a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2013a508728aSVlad Buslov if (err) { 2014a508728aSVlad Buslov kvfree(tmp_spec); 2015a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2016a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2017a508728aSVlad Buslov return err; 2018a508728aSVlad Buslov } 2019a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2020a508728aSVlad Buslov kvfree(tmp_spec); 2021a508728aSVlad Buslov if (err) 2022a508728aSVlad Buslov return err; 20230a7fcb78SPaul Blakey } 20240a7fcb78SPaul Blakey 20250a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 20260a7fcb78SPaul Blakey return 0; 20270a7fcb78SPaul Blakey 20280a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 20290a7fcb78SPaul Blakey } 20300a7fcb78SPaul Blakey 20310a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 20320a7fcb78SPaul Blakey { 20330a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20340a7fcb78SPaul Blakey inner_headers); 20350a7fcb78SPaul Blakey } 20360a7fcb78SPaul Blakey 20370a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 20380a7fcb78SPaul Blakey { 20390a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20400a7fcb78SPaul Blakey inner_headers); 20410a7fcb78SPaul Blakey } 20420a7fcb78SPaul Blakey 20430a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 20440a7fcb78SPaul Blakey { 20450a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20460a7fcb78SPaul Blakey outer_headers); 20470a7fcb78SPaul Blakey } 20480a7fcb78SPaul Blakey 20490a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 20500a7fcb78SPaul Blakey { 20510a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20528377629eSEli Britstein outer_headers); 20538377629eSEli Britstein } 20548377629eSEli Britstein 20558377629eSEli Britstein static void *get_match_headers_value(u32 flags, 20568377629eSEli Britstein struct mlx5_flow_spec *spec) 20578377629eSEli Britstein { 20588377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20590a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 20600a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 20610a7fcb78SPaul Blakey } 20620a7fcb78SPaul Blakey 20630a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 20640a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 20650a7fcb78SPaul Blakey { 20660a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20670a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 20680a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 20698377629eSEli Britstein } 20708377629eSEli Britstein 20716d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 20726d65bc64Swenxu struct flow_cls_offload *f) 20736d65bc64Swenxu { 20746d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20756d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 20766d65bc64Swenxu struct net_device *ingress_dev; 20776d65bc64Swenxu struct flow_match_meta match; 20786d65bc64Swenxu 20796d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 20806d65bc64Swenxu return 0; 20816d65bc64Swenxu 20826d65bc64Swenxu flow_rule_match_meta(rule, &match); 2083e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2084e3e0f9b2Swenxu return 0; 2085e3e0f9b2Swenxu 20866d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 20876d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2088a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20896d65bc64Swenxu } 20906d65bc64Swenxu 20916d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 20926d65bc64Swenxu match.key->ingress_ifindex); 20936d65bc64Swenxu if (!ingress_dev) { 20946d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20956d65bc64Swenxu "Can't find the ingress port to match on"); 2096a683012aSPablo Neira Ayuso return -ENOENT; 20976d65bc64Swenxu } 20986d65bc64Swenxu 20996d65bc64Swenxu if (ingress_dev != filter_dev) { 21006d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 21016d65bc64Swenxu "Can't match on the ingress filter port"); 2102a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 21036d65bc64Swenxu } 21046d65bc64Swenxu 21056d65bc64Swenxu return 0; 21066d65bc64Swenxu } 21076d65bc64Swenxu 210872046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 210972046a91SEli Cohen struct flow_cls_offload *f) 211072046a91SEli Cohen { 211172046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 211272046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 211372046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 211472046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 211572046a91SEli Cohen */ 211672046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 211772046a91SEli Cohen return true; 211872046a91SEli Cohen 211972046a91SEli Cohen return false; 212072046a91SEli Cohen } 212172046a91SEli Cohen 2122de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 21230a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2124de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2125f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 212654c177caSOz Shlomo struct net_device *filter_dev, 212793b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2128e3a2b7edSAmir Vadai { 2129e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2130c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2131c5bb1730SMaor Gottlieb outer_headers); 2132c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2133c5bb1730SMaor Gottlieb outer_headers); 2134699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2135699e96ddSJianbo Liu misc_parameters); 2136699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2137699e96ddSJianbo Liu misc_parameters); 2138a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2139a3222a2dSMaor Dickman misc_parameters_3); 2140a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2141a3222a2dSMaor Dickman misc_parameters_3); 2142f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21438f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2144afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2145e3a2b7edSAmir Vadai u16 addr_type = 0; 2146e3a2b7edSAmir Vadai u8 ip_proto = 0; 214793b3586eSHuy Nguyen u8 *match_level; 21486d65bc64Swenxu int err; 2149e3a2b7edSAmir Vadai 2150afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 215193b3586eSHuy Nguyen match_level = outer_match_level; 2152de0af0bfSRoi Dayan 21538f256622SPablo Neira Ayuso if (dissector->used_keys & 21543d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 21553d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2156e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2157e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2158095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2159699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2160e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2161e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2162bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2163bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2164bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2165bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2166bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2167e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2168fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2169bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 21704c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 21719272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 217272046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2173a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 217472046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2175e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 217648470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 21778f256622SPablo Neira Ayuso dissector->used_keys); 2178e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2179e3a2b7edSAmir Vadai } 2180e3a2b7edSAmir Vadai 2181075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 21820a7fcb78SPaul Blakey bool match_inner = false; 2183bbd00f7eSHadar Hen Zion 21840a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 21850a7fcb78SPaul Blakey outer_match_level, &match_inner); 21860a7fcb78SPaul Blakey if (err) 21870a7fcb78SPaul Blakey return err; 21880a7fcb78SPaul Blakey 21890a7fcb78SPaul Blakey if (match_inner) { 21900a7fcb78SPaul Blakey /* header pointers should point to the inner headers 21910a7fcb78SPaul Blakey * if the packet was decapsulated already. 21920a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2193bbd00f7eSHadar Hen Zion */ 219493b3586eSHuy Nguyen match_level = inner_match_level; 21950a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 21960a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 21970a7fcb78SPaul Blakey } 2198bbd00f7eSHadar Hen Zion } 2199bbd00f7eSHadar Hen Zion 22006d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 22016d65bc64Swenxu if (err) 22026d65bc64Swenxu return err; 22036d65bc64Swenxu 220472046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 220572046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 22068f256622SPablo Neira Ayuso struct flow_match_basic match; 2207e3a2b7edSAmir Vadai 22088f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2209fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2210fca53304SEli Britstein match_level == outer_match_level, 2211fca53304SEli Britstein headers_c, headers_v); 22128f256622SPablo Neira Ayuso 22138f256622SPablo Neira Ayuso if (match.mask->n_proto) 2214d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2215e3a2b7edSAmir Vadai } 221635a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 221735a605dbSEli Britstein is_vlan_dev(filter_dev)) { 221835a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 221935a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 22208f256622SPablo Neira Ayuso struct flow_match_vlan match; 22218f256622SPablo Neira Ayuso 222235a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 222335a605dbSEli Britstein match.key = &filter_dev_key; 222435a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 222535a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 222635a605dbSEli Britstein match.key->vlan_priority = 0; 222735a605dbSEli Britstein match.mask = &filter_dev_mask; 222835a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 222935a605dbSEli Britstein match.mask->vlan_priority = 0; 223035a605dbSEli Britstein } else { 22318f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 223235a605dbSEli Britstein } 22338f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22348f256622SPablo Neira Ayuso match.mask->vlan_priority || 22358f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 22368f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2237699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2238699e96ddSJianbo Liu svlan_tag, 1); 2239699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2240699e96ddSJianbo Liu svlan_tag, 1); 2241699e96ddSJianbo Liu } else { 2242699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2243699e96ddSJianbo Liu cvlan_tag, 1); 2244699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2245699e96ddSJianbo Liu cvlan_tag, 1); 2246699e96ddSJianbo Liu } 2247095b6cfdSOr Gerlitz 22488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 22498f256622SPablo Neira Ayuso match.mask->vlan_id); 22508f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 22518f256622SPablo Neira Ayuso match.key->vlan_id); 2252358d79a4SOr Gerlitz 22538f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 22548f256622SPablo Neira Ayuso match.mask->vlan_priority); 22558f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 22568f256622SPablo Neira Ayuso match.key->vlan_priority); 225754782900SOr Gerlitz 2258d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2259095b6cfdSOr Gerlitz } 2260d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2261fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2262fc603294SMark Bloch * disabled in match value means both S & C tags 2263fc603294SMark Bloch * don't exist (untagged of both) 2264fc603294SMark Bloch */ 2265cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2266d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2267095b6cfdSOr Gerlitz } 2268095b6cfdSOr Gerlitz 22698f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 22708f256622SPablo Neira Ayuso struct flow_match_vlan match; 22718f256622SPablo Neira Ayuso 227212d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 22738f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22748f256622SPablo Neira Ayuso match.mask->vlan_priority || 22758f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2276afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2277afe93f71SRoi Dayan fs_type)) { 2278afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2279afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2280afe93f71SRoi Dayan return -EOPNOTSUPP; 2281afe93f71SRoi Dayan } 2282afe93f71SRoi Dayan 22838f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2284699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2285699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2286699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2287699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2288699e96ddSJianbo Liu } else { 2289699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2290699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2291699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2292699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2293699e96ddSJianbo Liu } 2294699e96ddSJianbo Liu 2295699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 22968f256622SPablo Neira Ayuso match.mask->vlan_id); 2297699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 22988f256622SPablo Neira Ayuso match.key->vlan_id); 2299699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 23008f256622SPablo Neira Ayuso match.mask->vlan_priority); 2301699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 23028f256622SPablo Neira Ayuso match.key->vlan_priority); 2303699e96ddSJianbo Liu 2304699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 23050faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2306699e96ddSJianbo Liu } 2307699e96ddSJianbo Liu } 2308699e96ddSJianbo Liu 23098f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 23108f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 231154782900SOr Gerlitz 23128f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2313d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2314d3a80bb5SOr Gerlitz dmac_47_16), 23158f256622SPablo Neira Ayuso match.mask->dst); 2316d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2317d3a80bb5SOr Gerlitz dmac_47_16), 23188f256622SPablo Neira Ayuso match.key->dst); 2319d3a80bb5SOr Gerlitz 2320d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2321d3a80bb5SOr Gerlitz smac_47_16), 23228f256622SPablo Neira Ayuso match.mask->src); 2323d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2324d3a80bb5SOr Gerlitz smac_47_16), 23258f256622SPablo Neira Ayuso match.key->src); 2326d3a80bb5SOr Gerlitz 23278f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 23288f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2329d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 233054782900SOr Gerlitz } 233154782900SOr Gerlitz 23328f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 23338f256622SPablo Neira Ayuso struct flow_match_control match; 233454782900SOr Gerlitz 23358f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 23368f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 233754782900SOr Gerlitz 233854782900SOr Gerlitz /* the HW doesn't support frag first/later */ 23390885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 23400885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 234154782900SOr Gerlitz return -EOPNOTSUPP; 23420885ae1aSAbhiram R N } 234354782900SOr Gerlitz 23448f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 234554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 234654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 23478f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 234854782900SOr Gerlitz 234954782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 23508f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 235183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 235254782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 235354782900SOr Gerlitz else 235483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 235554782900SOr Gerlitz } 235654782900SOr Gerlitz } 235754782900SOr Gerlitz 23588f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 23598f256622SPablo Neira Ayuso struct flow_match_basic match; 23608f256622SPablo Neira Ayuso 23618f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 23628f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 236354782900SOr Gerlitz 236454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 23658f256622SPablo Neira Ayuso match.mask->ip_proto); 236654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 23678f256622SPablo Neira Ayuso match.key->ip_proto); 236854782900SOr Gerlitz 23698f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2370d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 237154782900SOr Gerlitz } 237254782900SOr Gerlitz 2373e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 23748f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2375e3a2b7edSAmir Vadai 23768f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2377e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2378e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23798f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2380e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2381e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23828f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2383e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2384e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23858f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2386e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2387e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23888f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2389de0af0bfSRoi Dayan 23908f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2391d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2392e3a2b7edSAmir Vadai } 2393e3a2b7edSAmir Vadai 2394e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 23958f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2396e3a2b7edSAmir Vadai 23978f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2398e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2399e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24008f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2401e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2402e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 24038f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2404e3a2b7edSAmir Vadai 2405e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2406e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24078f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2408e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2409e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24108f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2411de0af0bfSRoi Dayan 24128f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 24138f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2414d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2415e3a2b7edSAmir Vadai } 2416e3a2b7edSAmir Vadai 24178f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 24188f256622SPablo Neira Ayuso struct flow_match_ip match; 24191f97a526SOr Gerlitz 24208f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 24218f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 24228f256622SPablo Neira Ayuso match.mask->tos & 0x3); 24238f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 24248f256622SPablo Neira Ayuso match.key->tos & 0x3); 24251f97a526SOr Gerlitz 24268f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 24278f256622SPablo Neira Ayuso match.mask->tos >> 2); 24288f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 24298f256622SPablo Neira Ayuso match.key->tos >> 2); 24301f97a526SOr Gerlitz 24318f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 24328f256622SPablo Neira Ayuso match.mask->ttl); 24338f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 24348f256622SPablo Neira Ayuso match.key->ttl); 24351f97a526SOr Gerlitz 24368f256622SPablo Neira Ayuso if (match.mask->ttl && 2437a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2438e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2439e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2440e98bedf5SEli Britstein "Matching on TTL is not supported"); 24411f97a526SOr Gerlitz return -EOPNOTSUPP; 2442e98bedf5SEli Britstein } 2443a8ade55fSOr Gerlitz 24448f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2445d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 24461f97a526SOr Gerlitz } 24471f97a526SOr Gerlitz 244854782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 244954782900SOr Gerlitz 24508f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 24518f256622SPablo Neira Ayuso struct flow_match_ports match; 24528f256622SPablo Neira Ayuso 24538f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2454e3a2b7edSAmir Vadai switch (ip_proto) { 2455e3a2b7edSAmir Vadai case IPPROTO_TCP: 2456e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24578f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2458e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24598f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2460e3a2b7edSAmir Vadai 2461e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24628f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2463e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24648f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2465e3a2b7edSAmir Vadai break; 2466e3a2b7edSAmir Vadai 2467e3a2b7edSAmir Vadai case IPPROTO_UDP: 2468e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24698f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2470e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24718f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2472e3a2b7edSAmir Vadai 2473e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24748f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2475e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24768f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2477e3a2b7edSAmir Vadai break; 2478e3a2b7edSAmir Vadai default: 2479e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2480e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2481e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2482e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2483e3a2b7edSAmir Vadai return -EINVAL; 2484e3a2b7edSAmir Vadai } 2485de0af0bfSRoi Dayan 24868f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2487d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2488e3a2b7edSAmir Vadai } 2489e3a2b7edSAmir Vadai 24908f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 24918f256622SPablo Neira Ayuso struct flow_match_tcp match; 2492e77834ecSOr Gerlitz 24938f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2494e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 24958f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2496e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 24978f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2498e77834ecSOr Gerlitz 24998f256622SPablo Neira Ayuso if (match.mask->flags) 2500d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2501e77834ecSOr Gerlitz } 2502a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2503a3222a2dSMaor Dickman struct flow_match_icmp match; 2504e77834ecSOr Gerlitz 2505a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2506a3222a2dSMaor Dickman switch (ip_proto) { 2507a3222a2dSMaor Dickman case IPPROTO_ICMP: 2508a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 25090885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 25100885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 25110885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 2512a3222a2dSMaor Dickman return -EOPNOTSUPP; 25130885ae1aSAbhiram R N } 2514a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2515a3222a2dSMaor Dickman match.mask->type); 2516a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2517a3222a2dSMaor Dickman match.key->type); 2518a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2519a3222a2dSMaor Dickman match.mask->code); 2520a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2521a3222a2dSMaor Dickman match.key->code); 2522a3222a2dSMaor Dickman break; 2523a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2524a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 25250885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 25260885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 25270885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 2528a3222a2dSMaor Dickman return -EOPNOTSUPP; 25290885ae1aSAbhiram R N } 2530a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2531a3222a2dSMaor Dickman match.mask->type); 2532a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2533a3222a2dSMaor Dickman match.key->type); 2534a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2535a3222a2dSMaor Dickman match.mask->code); 2536a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2537a3222a2dSMaor Dickman match.key->code); 2538a3222a2dSMaor Dickman break; 2539a3222a2dSMaor Dickman default: 2540a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2541a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2542a3222a2dSMaor Dickman netdev_err(priv->netdev, 2543a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2544a3222a2dSMaor Dickman return -EINVAL; 2545a3222a2dSMaor Dickman } 2546a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2547a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2548a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2549a3222a2dSMaor Dickman } 2550a3222a2dSMaor Dickman } 255139c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 25527d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 25537d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 25547d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 25557d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 25567d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 25577d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 25587d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 25597d6c86e3SAlaa Hleihel } 25607d6c86e3SAlaa Hleihel 2561e3a2b7edSAmir Vadai return 0; 2562e3a2b7edSAmir Vadai } 2563e3a2b7edSAmir Vadai 2564de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 256565ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2566de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2567f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 256854c177caSOz Shlomo struct net_device *filter_dev) 2569de0af0bfSRoi Dayan { 257093b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2571e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2572de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2573de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 25741d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 25751d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2576226f2ca3SVlad Buslov bool is_eswitch_flow; 2577de0af0bfSRoi Dayan int err; 2578de0af0bfSRoi Dayan 257993b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 258093b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 258193b3586eSHuy Nguyen 25820a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 25830a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 258493b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 258593b3586eSHuy Nguyen outer_match_level : inner_match_level; 2586de0af0bfSRoi Dayan 2587226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2588226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 25891d447a39SSaeed Mahameed rep = rpriv->rep; 2590b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 25911d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 259293b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2593e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2594e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2595de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2596de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 259793b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2598de0af0bfSRoi Dayan return -EOPNOTSUPP; 2599de0af0bfSRoi Dayan } 2600de0af0bfSRoi Dayan } 2601de0af0bfSRoi Dayan 2602c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2603c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2604c620b772SAriel Levkovich 260538aa51c1SOr Gerlitz 2606de0af0bfSRoi Dayan return err; 2607de0af0bfSRoi Dayan } 2608de0af0bfSRoi Dayan 2609d79b6df6SOr Gerlitz struct pedit_headers { 2610d79b6df6SOr Gerlitz struct ethhdr eth; 26110eb69bb9SEli Britstein struct vlan_hdr vlan; 2612d79b6df6SOr Gerlitz struct iphdr ip4; 2613d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2614d79b6df6SOr Gerlitz struct tcphdr tcp; 2615d79b6df6SOr Gerlitz struct udphdr udp; 2616d79b6df6SOr Gerlitz }; 2617d79b6df6SOr Gerlitz 2618c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2619c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2620c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2621c500c86bSPablo Neira Ayuso u32 pedits; 2622c500c86bSPablo Neira Ayuso }; 2623c500c86bSPablo Neira Ayuso 2624d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 262573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 262673867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 262773867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 262873867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 262973867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2630d79b6df6SOr Gerlitz }; 2631d79b6df6SOr Gerlitz 2632d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2633d79b6df6SOr Gerlitz 2634d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 26350885ae1aSAbhiram R N struct pedit_headers_action *hdrs, 26360885ae1aSAbhiram R N struct netlink_ext_ack *extack) 2637d79b6df6SOr Gerlitz { 2638d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2639d79b6df6SOr Gerlitz 2640c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2641c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2642d79b6df6SOr Gerlitz 26430885ae1aSAbhiram R N if (*curr_pmask & mask) { /* disallow acting twice on the same location */ 26440885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 26450885ae1aSAbhiram R N "curr_pmask and new mask same. Acting twice on same location"); 2646d79b6df6SOr Gerlitz goto out_err; 26470885ae1aSAbhiram R N } 2648d79b6df6SOr Gerlitz 2649d79b6df6SOr Gerlitz *curr_pmask |= mask; 2650d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2651d79b6df6SOr Gerlitz 2652d79b6df6SOr Gerlitz return 0; 2653d79b6df6SOr Gerlitz 2654d79b6df6SOr Gerlitz out_err: 2655d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2656d79b6df6SOr Gerlitz } 2657d79b6df6SOr Gerlitz 2658d79b6df6SOr Gerlitz struct mlx5_fields { 2659d79b6df6SOr Gerlitz u8 field; 266088f30bbcSDmytro Linkin u8 field_bsize; 266188f30bbcSDmytro Linkin u32 field_mask; 2662d79b6df6SOr Gerlitz u32 offset; 266327c11b6bSEli Britstein u32 match_offset; 2664d79b6df6SOr Gerlitz }; 2665d79b6df6SOr Gerlitz 266688f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 266788f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 266827c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 266927c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 267027c11b6bSEli Britstein 26712ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 26722ef86872SEli Britstein * match. 26732ef86872SEli Britstein */ 26742ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 26752ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 26762ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 26772ef86872SEli Britstein type maskx = *(type *)(maskp); \ 26782ef86872SEli Britstein type valx = *(type *)(valp); \ 26792ef86872SEli Britstein \ 26802ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 26812ef86872SEli Britstein matchmaskx)); \ 26822ef86872SEli Britstein }) 26832ef86872SEli Britstein 268427c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 268588f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 268627c11b6bSEli Britstein { 268727c11b6bSEli Britstein bool same = false; 268827c11b6bSEli Britstein 268988f30bbcSDmytro Linkin switch (bsize) { 269088f30bbcSDmytro Linkin case 8: 26912ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 269227c11b6bSEli Britstein break; 269388f30bbcSDmytro Linkin case 16: 26942ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 269527c11b6bSEli Britstein break; 269688f30bbcSDmytro Linkin case 32: 26972ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 269827c11b6bSEli Britstein break; 269927c11b6bSEli Britstein } 270027c11b6bSEli Britstein 270127c11b6bSEli Britstein return same; 270227c11b6bSEli Britstein } 2703a8e4f0c4SOr Gerlitz 2704d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 270588f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 270688f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 270788f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 270888f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 270988f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 271088f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2711d79b6df6SOr Gerlitz 2712ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 271388f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 271488f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 271588f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2716d79b6df6SOr Gerlitz 271788f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 271827c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 271988f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 272027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 272188f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 272227c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 272388f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 272427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 272588f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 272627c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 272788f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 272827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 272988f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 273027c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 273188f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 273227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 273388f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2734748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2735d79b6df6SOr Gerlitz 273688f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 273788f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 273888f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 273988f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2740d79b6df6SOr Gerlitz 274188f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 274288f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2743d79b6df6SOr Gerlitz }; 2744d79b6df6SOr Gerlitz 274582198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 274682198d8bSMaor Dickman { 274782198d8bSMaor Dickman __be32 mask_be32; 274882198d8bSMaor Dickman __be16 mask_be16; 274982198d8bSMaor Dickman 275082198d8bSMaor Dickman if (size == 32) { 275182198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 275282198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 275382198d8bSMaor Dickman } else if (size == 16) { 275482198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 275582198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 275682198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 275782198d8bSMaor Dickman } 275882198d8bSMaor Dickman 275982198d8bSMaor Dickman return mask; 276082198d8bSMaor Dickman } 27616ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 27626ae4a6a5SPaul Blakey int namespace, 27636ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2764e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 276527c11b6bSEli Britstein u32 *action_flags, 2766e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2767d79b6df6SOr Gerlitz { 2768d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 276988f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 277088f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 27716ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 277282198d8bSMaor Dickman unsigned long mask, field_mask; 27732c0e5cf5SPaul Blakey int i, first, last, next_z; 27742c0e5cf5SPaul Blakey struct mlx5_fields *f; 277588f30bbcSDmytro Linkin u8 cmd; 277688f30bbcSDmytro Linkin 27776ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 277888f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 277988f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2780d79b6df6SOr Gerlitz 278173867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 278273867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 278373867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 278473867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2785d79b6df6SOr Gerlitz 2786d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 278727c11b6bSEli Britstein bool skip; 278827c11b6bSEli Britstein 2789d79b6df6SOr Gerlitz f = &fields[i]; 2790d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2791e3ca4e05SOr Gerlitz s_mask = 0; 2792e3ca4e05SOr Gerlitz a_mask = 0; 2793d79b6df6SOr Gerlitz 2794d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2795d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2796d79b6df6SOr Gerlitz 279788f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 279888f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2799d79b6df6SOr Gerlitz 2800d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2801d79b6df6SOr Gerlitz continue; 2802d79b6df6SOr Gerlitz 2803d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2804e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2805e98bedf5SEli Britstein "can't set and add to the same HW field"); 280661b6a6c3SCai Huoqing netdev_warn(priv->netdev, 280761b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 280861b6a6c3SCai Huoqing f->field); 2809d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2810d79b6df6SOr Gerlitz } 2811d79b6df6SOr Gerlitz 281227c11b6bSEli Britstein skip = false; 2813d79b6df6SOr Gerlitz if (s_mask) { 281427c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 281527c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 281627c11b6bSEli Britstein 2817d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2818d79b6df6SOr Gerlitz mask = s_mask; 2819d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 282027c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 282127c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 282288f30bbcSDmytro Linkin match_mask, f->field_bsize)) 282327c11b6bSEli Britstein skip = true; 2824d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 282588f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2826d79b6df6SOr Gerlitz } else { 2827d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2828d79b6df6SOr Gerlitz mask = a_mask; 2829d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 283027c11b6bSEli Britstein /* add 0 is no change */ 283188f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 283227c11b6bSEli Britstein skip = true; 2833d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 283488f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2835d79b6df6SOr Gerlitz } 283627c11b6bSEli Britstein if (skip) 283727c11b6bSEli Britstein continue; 2838d79b6df6SOr Gerlitz 283982198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 28402b64bebaSOr Gerlitz 284188f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 284288f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 284388f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 28442b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2845e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2846e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 284761b6a6c3SCai Huoqing netdev_warn(priv->netdev, 284861b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2849d79b6df6SOr Gerlitz mask); 2850d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2851d79b6df6SOr Gerlitz } 2852d79b6df6SOr Gerlitz 28532c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 28542c0e5cf5SPaul Blakey if (IS_ERR(action)) { 28556ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 28566ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 28576ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 28586ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 28596ae4a6a5SPaul Blakey mod_acts->num_actions); 28602c0e5cf5SPaul Blakey return PTR_ERR(action); 28616ae4a6a5SPaul Blakey } 28626ae4a6a5SPaul Blakey 2863d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2864d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2865d79b6df6SOr Gerlitz 2866d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 286788f30bbcSDmytro Linkin int start; 286888f30bbcSDmytro Linkin 286982198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 287082198d8bSMaor Dickman 287188f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 287282198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 287388f30bbcSDmytro Linkin 287488f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2875d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 28762b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2877d79b6df6SOr Gerlitz } 2878d79b6df6SOr Gerlitz 287988f30bbcSDmytro Linkin if (f->field_bsize == 32) 28802b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 288188f30bbcSDmytro Linkin else if (f->field_bsize == 16) 28822b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 288388f30bbcSDmytro Linkin else if (f->field_bsize == 8) 28842b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2885d79b6df6SOr Gerlitz 28866ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2887d79b6df6SOr Gerlitz } 2888d79b6df6SOr Gerlitz 2889d79b6df6SOr Gerlitz return 0; 2890d79b6df6SOr Gerlitz } 2891d79b6df6SOr Gerlitz 2892d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2893d79b6df6SOr Gerlitz 2894582234b4SEli Cohen static int 2895582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 289673867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2897582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2898c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2899e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2900d79b6df6SOr Gerlitz { 290173867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 290273867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2903d79b6df6SOr Gerlitz u32 mask, val, offset; 290473867881SPablo Neira Ayuso u8 htype; 2905d79b6df6SOr Gerlitz 290673867881SPablo Neira Ayuso htype = act->mangle.htype; 2907d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2908d79b6df6SOr Gerlitz 290973867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 291073867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2911d79b6df6SOr Gerlitz goto out_err; 2912d79b6df6SOr Gerlitz } 2913d79b6df6SOr Gerlitz 29142c0e5cf5SPaul Blakey if (!mlx5e_mod_hdr_max_actions(priv->mdev, namespace)) { 29152cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 29162cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 29172cc1cb1dSTonghao Zhang goto out_err; 29182cc1cb1dSTonghao Zhang } 29192cc1cb1dSTonghao Zhang 292073867881SPablo Neira Ayuso mask = act->mangle.mask; 292173867881SPablo Neira Ayuso val = act->mangle.val; 292273867881SPablo Neira Ayuso offset = act->mangle.offset; 2923d79b6df6SOr Gerlitz 29240885ae1aSAbhiram R N err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd], extack); 2925d79b6df6SOr Gerlitz if (err) 2926d79b6df6SOr Gerlitz goto out_err; 2927c500c86bSPablo Neira Ayuso 2928c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2929d79b6df6SOr Gerlitz 2930c500c86bSPablo Neira Ayuso return 0; 2931c500c86bSPablo Neira Ayuso out_err: 2932c500c86bSPablo Neira Ayuso return err; 2933c500c86bSPablo Neira Ayuso } 2934c500c86bSPablo Neira Ayuso 2935582234b4SEli Cohen static int 29361cc35b70SRoi Dayan parse_pedit_to_reformat(const struct flow_action_entry *act, 2937582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2938582234b4SEli Cohen struct netlink_ext_ack *extack) 2939582234b4SEli Cohen { 2940582234b4SEli Cohen u32 mask, val, offset; 2941582234b4SEli Cohen u32 *p; 2942582234b4SEli Cohen 29430885ae1aSAbhiram R N if (act->id != FLOW_ACTION_MANGLE) { 29440885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Unsupported action id"); 2945582234b4SEli Cohen return -EOPNOTSUPP; 29460885ae1aSAbhiram R N } 2947582234b4SEli Cohen 2948582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 2949582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 2950582234b4SEli Cohen return -EOPNOTSUPP; 2951582234b4SEli Cohen } 2952582234b4SEli Cohen 2953582234b4SEli Cohen mask = ~act->mangle.mask; 2954582234b4SEli Cohen val = act->mangle.val; 2955582234b4SEli Cohen offset = act->mangle.offset; 2956582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 2957582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 2958582234b4SEli Cohen 2959582234b4SEli Cohen return 0; 2960582234b4SEli Cohen } 2961582234b4SEli Cohen 2962582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2963582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 2964582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2965582234b4SEli Cohen struct pedit_headers_action *hdrs, 2966582234b4SEli Cohen struct mlx5e_tc_flow *flow, 2967582234b4SEli Cohen struct netlink_ext_ack *extack) 2968582234b4SEli Cohen { 2969582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 29701cc35b70SRoi Dayan return parse_pedit_to_reformat(act, parse_attr, extack); 2971582234b4SEli Cohen 2972582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 2973582234b4SEli Cohen parse_attr, hdrs, extack); 2974582234b4SEli Cohen } 2975582234b4SEli Cohen 2976c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2977c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2978c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 297927c11b6bSEli Britstein u32 *action_flags, 2980c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2981c500c86bSPablo Neira Ayuso { 2982c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2983c500c86bSPablo Neira Ayuso int err; 2984c500c86bSPablo Neira Ayuso u8 cmd; 2985c500c86bSPablo Neira Ayuso 29866ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 29876ae4a6a5SPaul Blakey action_flags, extack); 2988d79b6df6SOr Gerlitz if (err < 0) 2989d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2990d79b6df6SOr Gerlitz 2991d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2992c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2993d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2994e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2995e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2996b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2997d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2998d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2999d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 3000d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 3001d79b6df6SOr Gerlitz } 3002d79b6df6SOr Gerlitz } 3003d79b6df6SOr Gerlitz 3004d79b6df6SOr Gerlitz return 0; 3005d79b6df6SOr Gerlitz 3006d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 30072c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3008d79b6df6SOr Gerlitz return err; 3009d79b6df6SOr Gerlitz } 3010d79b6df6SOr Gerlitz 3011e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 3012e98bedf5SEli Britstein u32 action, 3013e98bedf5SEli Britstein u32 update_flags, 3014e98bedf5SEli Britstein struct netlink_ext_ack *extack) 301526c02749SOr Gerlitz { 301626c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 301726c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 301826c02749SOr Gerlitz 301926c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 302026c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 3021e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3022e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 302326c02749SOr Gerlitz netdev_warn(priv->netdev, 302426c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 302526c02749SOr Gerlitz return false; 302626c02749SOr Gerlitz } 302726c02749SOr Gerlitz 302826c02749SOr Gerlitz if (update_flags & ~prot_flags) { 3029e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3030e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 303126c02749SOr Gerlitz netdev_warn(priv->netdev, 303226c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 303326c02749SOr Gerlitz update_flags); 303426c02749SOr Gerlitz return false; 303526c02749SOr Gerlitz } 303626c02749SOr Gerlitz 303726c02749SOr Gerlitz return true; 303826c02749SOr Gerlitz } 303926c02749SOr Gerlitz 30408998576bSDmytro Linkin struct ip_ttl_word { 30418998576bSDmytro Linkin __u8 ttl; 30428998576bSDmytro Linkin __u8 protocol; 30438998576bSDmytro Linkin __sum16 check; 30448998576bSDmytro Linkin }; 30458998576bSDmytro Linkin 30468998576bSDmytro Linkin struct ipv6_hoplimit_word { 30478998576bSDmytro Linkin __be16 payload_len; 30488998576bSDmytro Linkin __u8 nexthdr; 30498998576bSDmytro Linkin __u8 hop_limit; 30508998576bSDmytro Linkin }; 30518998576bSDmytro Linkin 30521836d780SRoi Dayan static bool 30531836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 30541836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 30554c3844d9SPaul Blakey struct netlink_ext_ack *extack) 30568998576bSDmytro Linkin { 30578998576bSDmytro Linkin u32 mask, offset; 30588998576bSDmytro Linkin u8 htype; 30598998576bSDmytro Linkin 30608998576bSDmytro Linkin htype = act->mangle.htype; 30618998576bSDmytro Linkin offset = act->mangle.offset; 30628998576bSDmytro Linkin mask = ~act->mangle.mask; 30638998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 30648998576bSDmytro Linkin * to determine that modified fields 30658998576bSDmytro Linkin * are NOT ttl & hop_limit only. 30668998576bSDmytro Linkin */ 30678998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 30688998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 30698998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 30708998576bSDmytro Linkin 30718998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 30728998576bSDmytro Linkin ttl_word->protocol || 30738998576bSDmytro Linkin ttl_word->check) { 30744c3844d9SPaul Blakey *modify_ip_header = true; 30754c3844d9SPaul Blakey } 30764c3844d9SPaul Blakey 30777e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 30787e36feebSPaul Blakey *modify_tuple = true; 30797e36feebSPaul Blakey 30807e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30814c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30824c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 30831836d780SRoi Dayan return false; 30848998576bSDmytro Linkin } 30858998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 30868998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 30878998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 30888998576bSDmytro Linkin 30898998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 30908998576bSDmytro Linkin hoplimit_word->payload_len || 30918998576bSDmytro Linkin hoplimit_word->nexthdr) { 30924c3844d9SPaul Blakey *modify_ip_header = true; 30938998576bSDmytro Linkin } 30944c3844d9SPaul Blakey 30957e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 30967e36feebSPaul Blakey *modify_tuple = true; 30977e36feebSPaul Blakey 30987e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30994c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31004c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 31011836d780SRoi Dayan return false; 31028998576bSDmytro Linkin } 31037e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 31047e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 31057e36feebSPaul Blakey *modify_tuple = true; 31067e36feebSPaul Blakey if (ct_flow) { 31074c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31084c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 31091836d780SRoi Dayan return false; 31104c3844d9SPaul Blakey } 31117e36feebSPaul Blakey } 31124c3844d9SPaul Blakey 31131836d780SRoi Dayan return true; 31148998576bSDmytro Linkin } 31158998576bSDmytro Linkin 311696b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 311796b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 311896b5b458SDima Chumak struct mlx5e_priv *priv, 311996b5b458SDima Chumak struct mlx5_flow_spec *spec) 312096b5b458SDima Chumak { 312196b5b458SDima Chumak if (!modify_tuple || ct_clear) 312296b5b458SDima Chumak return true; 312396b5b458SDima Chumak 312496b5b458SDima Chumak if (ct_flow) { 312596b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 312696b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 312796b5b458SDima Chumak netdev_info(priv->netdev, 312896b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 312996b5b458SDima Chumak return false; 313096b5b458SDima Chumak } 313196b5b458SDima Chumak 313296b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 313396b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 313496b5b458SDima Chumak * we can't restore ct state 313596b5b458SDima Chumak */ 313696b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 313796b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 313896b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 313996b5b458SDima Chumak netdev_info(priv->netdev, 314096b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 314196b5b458SDima Chumak return false; 314296b5b458SDima Chumak } 314396b5b458SDima Chumak 314496b5b458SDima Chumak return true; 314596b5b458SDima Chumak } 314696b5b458SDima Chumak 31473d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 31483d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 314973867881SPablo Neira Ayuso struct flow_action *flow_action, 31504c3844d9SPaul Blakey u32 actions, bool ct_flow, 31517e36feebSPaul Blakey bool ct_clear, 3152e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3153bdd66ac0SOr Gerlitz { 315473867881SPablo Neira Ayuso const struct flow_action_entry *act; 31557e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3156fca53304SEli Britstein void *headers_c; 3157bdd66ac0SOr Gerlitz void *headers_v; 3158bdd66ac0SOr Gerlitz u16 ethertype; 31598998576bSDmytro Linkin u8 ip_proto; 31601836d780SRoi Dayan int i; 3161bdd66ac0SOr Gerlitz 3162fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 31638377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3164bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3165bdd66ac0SOr Gerlitz 3166bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3167fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3168fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3169bdd66ac0SOr Gerlitz goto out_ok; 3170bdd66ac0SOr Gerlitz 3171bdd66ac0SOr Gerlitz modify_ip_header = false; 31727e36feebSPaul Blakey modify_tuple = false; 317373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 317473867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 317573867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3176bdd66ac0SOr Gerlitz continue; 3177bdd66ac0SOr Gerlitz 31781836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 31797e36feebSPaul Blakey &modify_ip_header, 31801836d780SRoi Dayan &modify_tuple, extack)) 31811836d780SRoi Dayan return false; 3182bdd66ac0SOr Gerlitz } 3183bdd66ac0SOr Gerlitz 318496b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 318596b5b458SDima Chumak priv, spec)) 31867e36feebSPaul Blakey return false; 31877e36feebSPaul Blakey 3188bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 31891ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 31901ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3191e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3192e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 31933d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 31943d486ec4SOz Shlomo ip_proto); 3195bdd66ac0SOr Gerlitz return false; 3196bdd66ac0SOr Gerlitz } 3197bdd66ac0SOr Gerlitz 3198bdd66ac0SOr Gerlitz out_ok: 3199bdd66ac0SOr Gerlitz return true; 3200bdd66ac0SOr Gerlitz } 3201bdd66ac0SOr Gerlitz 32029c1d3511SRoi Dayan static bool 32039c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 32049c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 32059c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 32069c1d3511SRoi Dayan struct netlink_ext_ack *extack) 32079c1d3511SRoi Dayan { 3208d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 32099c1d3511SRoi Dayan bool ct_flow, ct_clear; 32109c1d3511SRoi Dayan 32119c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 32129c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 32139c1d3511SRoi Dayan 3214d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3215d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 32169c1d3511SRoi Dayan /* All registers used by ct are cleared when using 32179c1d3511SRoi Dayan * split rules. 32189c1d3511SRoi Dayan */ 32199c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 32209c1d3511SRoi Dayan return false; 32219c1d3511SRoi Dayan } 32229c1d3511SRoi Dayan 3223d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3224d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3225d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3226d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3227d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3228d4f401d9SRoi Dayan return false; 3229d4f401d9SRoi Dayan } 3230d4f401d9SRoi Dayan 32319c1d3511SRoi Dayan return true; 32329c1d3511SRoi Dayan } 32339c1d3511SRoi Dayan 32349c1d3511SRoi Dayan static bool 32359c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 323673867881SPablo Neira Ayuso struct flow_action *flow_action, 3237bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3238e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3239e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3240bdd66ac0SOr Gerlitz { 32419c1d3511SRoi Dayan u32 actions = flow->attr->action; 32429c1d3511SRoi Dayan bool ct_flow, ct_clear; 3243bdd66ac0SOr Gerlitz 32449c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3245a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3246c620b772SAriel Levkovich 32476b50cf45SRoi Dayan if (!(actions & 32486b50cf45SRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 32496b50cf45SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 32506b50cf45SRoi Dayan return false; 32516b50cf45SRoi Dayan } 32526b50cf45SRoi Dayan 32539c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 32549c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 32559c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 325649397b80SDan Carpenter return false; 3257bdd66ac0SOr Gerlitz 32589c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 32599c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 32609c1d3511SRoi Dayan return false; 3261bdd66ac0SOr Gerlitz 3262bdd66ac0SOr Gerlitz return true; 3263bdd66ac0SOr Gerlitz } 3264bdd66ac0SOr Gerlitz 326532134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 326632134847SMaor Dickman { 326732134847SMaor Dickman return priv->mdev == peer_priv->mdev; 326832134847SMaor Dickman } 326932134847SMaor Dickman 32705c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 32715c65c564SOr Gerlitz { 32725c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3273816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 32745c65c564SOr Gerlitz 32755c65c564SOr Gerlitz fmdev = priv->mdev; 32765c65c564SOr Gerlitz pmdev = peer_priv->mdev; 32775c65c564SOr Gerlitz 327859c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 327959c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 32805c65c564SOr Gerlitz 3281816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 32825c65c564SOr Gerlitz } 32835c65c564SOr Gerlitz 3284bb569657SAriel Levkovich static bool same_vf_reps(struct mlx5e_priv *priv, 3285bb569657SAriel Levkovich struct net_device *out_dev) 3286bb569657SAriel Levkovich { 3287bb569657SAriel Levkovich return mlx5e_eswitch_vf_rep(priv->netdev) && 3288bb569657SAriel Levkovich priv->netdev == out_dev; 3289bb569657SAriel Levkovich } 3290bb569657SAriel Levkovich 3291bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3292bdc837eeSEli Britstein const struct flow_action_entry *act, 3293bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3294bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3295bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3296bdc837eeSEli Britstein { 3297bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3298bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3299bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3300bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3301bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3302bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3303bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3304bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3305bdc837eeSEli Britstein }; 33066fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3307bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3308bdc837eeSEli Britstein int err; 3309bdc837eeSEli Britstein 3310bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3311bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3312bf2f3bcaSEli Britstein 3313bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3314bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3315bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3316bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3317bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3318bf2f3bcaSEli Britstein } 3319bf2f3bcaSEli Britstein 33206fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 33216fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 33226fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 33236fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 33246fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3325bdc837eeSEli Britstein return -EOPNOTSUPP; 3326bdc837eeSEli Britstein } 3327bdc837eeSEli Britstein 3328582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3329bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3330bdc837eeSEli Britstein 3331bdc837eeSEli Britstein return err; 3332bdc837eeSEli Britstein } 3333bdc837eeSEli Britstein 33340bac1194SEli Britstein static int 33350bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 33360bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 33370bac1194SEli Britstein struct pedit_headers_action *hdrs, 33380bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 33390bac1194SEli Britstein { 33400bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 33410bac1194SEli Britstein .vlan.vid = 0, 33420bac1194SEli Britstein .vlan.prio = 33430bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 33440bac1194SEli Britstein get_match_headers_value(*action, 33450bac1194SEli Britstein &parse_attr->spec), 33460bac1194SEli Britstein first_prio) & 33470bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 33480bac1194SEli Britstein get_match_headers_criteria(*action, 33490bac1194SEli Britstein &parse_attr->spec), 33500bac1194SEli Britstein first_prio), 33510bac1194SEli Britstein }; 33520bac1194SEli Britstein 33530bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 33540bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 33550bac1194SEli Britstein extack); 33560bac1194SEli Britstein } 33570bac1194SEli Britstein 3358d9581e2fSRoi Dayan static int 3359d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3360d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3361d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3362d9581e2fSRoi Dayan struct pedit_headers_action *hdrs, 3363d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3364d9581e2fSRoi Dayan { 3365d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 3366d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3367d9581e2fSRoi Dayan int err; 3368d9581e2fSRoi Dayan 3369d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3370d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3371d9581e2fSRoi Dayan return 0; 3372d9581e2fSRoi Dayan 3373d9581e2fSRoi Dayan ns_type = get_flow_name_space(flow); 3374d9581e2fSRoi Dayan 3375d9581e2fSRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, hdrs, 3376d9581e2fSRoi Dayan &attr->action, extack); 3377d9581e2fSRoi Dayan if (err) 3378d9581e2fSRoi Dayan return err; 3379d9581e2fSRoi Dayan 3380d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3381d9581e2fSRoi Dayan return 0; 3382d9581e2fSRoi Dayan 3383fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3384d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 33852c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3386d9581e2fSRoi Dayan 3387d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3388d9581e2fSRoi Dayan return 0; 3389d9581e2fSRoi Dayan 3390d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3391d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3392d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3393d9581e2fSRoi Dayan 3394d9581e2fSRoi Dayan return 0; 3395d9581e2fSRoi Dayan } 3396d9581e2fSRoi Dayan 3397d9581e2fSRoi Dayan static int 3398df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 3399df990477SRoi Dayan struct netlink_ext_ack *extack) 3400df990477SRoi Dayan { 3401df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 3402df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 3403df990477SRoi Dayan return -EINVAL; 3404df990477SRoi Dayan } 3405df990477SRoi Dayan 3406df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 3407df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 3408df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3409df990477SRoi Dayan return -EOPNOTSUPP; 3410df990477SRoi Dayan } 3411df990477SRoi Dayan 3412df990477SRoi Dayan return 0; 3413df990477SRoi Dayan } 3414df990477SRoi Dayan 3415df990477SRoi Dayan static int 3416d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 341773867881SPablo Neira Ayuso struct flow_action *flow_action, 3418e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3419e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3420e3a2b7edSAmir Vadai { 3421fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3422c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3423c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 342473867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3425fad54790SRoi Dayan enum mlx5_flow_namespace_type ns_type; 342673867881SPablo Neira Ayuso const struct flow_action_entry *act; 3427fad54790SRoi Dayan struct mlx5e_tc_act *tc_act; 3428244cd96aSCong Wang int err, i; 3429e3a2b7edSAmir Vadai 3430df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3431df990477SRoi Dayan if (err) 3432df990477SRoi Dayan return err; 3433319a1d19SJiri Pirko 3434fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3435c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3436fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3437fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3438fad54790SRoi Dayan ns_type = get_flow_name_space(flow); 3439e3a2b7edSAmir Vadai 344073867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 344173867881SPablo Neira Ayuso switch (act->id) { 344273867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 344373867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 344473867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3445582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 34462f4fe4caSOr Gerlitz if (err) 34472f4fe4caSOr Gerlitz return err; 34482f4fe4caSOr Gerlitz 34499745dbe0SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 345073867881SPablo Neira Ayuso break; 3451bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3452bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3453bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3454bdc837eeSEli Britstein act, parse_attr, hdrs, 34559745dbe0SRoi Dayan &attr->action, extack); 3456bdc837eeSEli Britstein if (err) 3457bdc837eeSEli Britstein return err; 3458bdc837eeSEli Britstein 3459bdc837eeSEli Britstein break; 346073867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 34619745dbe0SRoi Dayan if (csum_offload_supported(priv, attr->action, 346273867881SPablo Neira Ayuso act->csum_flags, 3463e98bedf5SEli Britstein extack)) 346473867881SPablo Neira Ayuso break; 346526c02749SOr Gerlitz 346626c02749SOr Gerlitz return -EOPNOTSUPP; 346773867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 346873867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 34695c65c564SOr Gerlitz 34705c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 34715c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 347298b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3473226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 34749745dbe0SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 34755c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 34765c65c564SOr Gerlitz } else { 3477e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3478e98bedf5SEli Britstein "device is not on same HW, can't offload"); 34795c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 34805c65c564SOr Gerlitz peer_dev->name); 348125f150f4SRoi Dayan return -EOPNOTSUPP; 34825c65c564SOr Gerlitz } 34835c65c564SOr Gerlitz } 348473867881SPablo Neira Ayuso break; 3485aedd133dSAriel Levkovich case FLOW_ACTION_CT: 3486806401c2SRoi Dayan err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, 3487806401c2SRoi Dayan &parse_attr->mod_hdr_acts, 3488806401c2SRoi Dayan act, extack); 3489aedd133dSAriel Levkovich if (err) 3490aedd133dSAriel Levkovich return err; 3491aedd133dSAriel Levkovich 3492aedd133dSAriel Levkovich flow_flag_set(flow, CT); 3493aedd133dSAriel Levkovich break; 349473867881SPablo Neira Ayuso default: 3495fad54790SRoi Dayan break; 3496fad54790SRoi Dayan } 3497fad54790SRoi Dayan 3498fad54790SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 3499fad54790SRoi Dayan if (!tc_act) { 3500fad54790SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 35012cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3502e3a2b7edSAmir Vadai } 3503fad54790SRoi Dayan 3504fad54790SRoi Dayan if (!tc_act->can_offload(parse_state, act, i)) 3505fad54790SRoi Dayan return -EOPNOTSUPP; 3506fad54790SRoi Dayan 3507fad54790SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 3508fad54790SRoi Dayan if (err) 3509fad54790SRoi Dayan return err; 351073867881SPablo Neira Ayuso } 3511e3a2b7edSAmir Vadai 35127f8770c7SRoi Dayan if (attr->dest_chain && parse_attr->mirred_ifindex[0]) { 3513c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3514c7569097SAriel Levkovich return -EOPNOTSUPP; 3515c7569097SAriel Levkovich } 3516c7569097SAriel Levkovich 3517d9581e2fSRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); 3518d9581e2fSRoi Dayan if (err) 3519d9581e2fSRoi Dayan return err; 3520d9581e2fSRoi Dayan 352173867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3522bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3523bdd66ac0SOr Gerlitz 3524e3a2b7edSAmir Vadai return 0; 3525e3a2b7edSAmir Vadai } 3526e3a2b7edSAmir Vadai 352732134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3528b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3529b1d90e6bSRabie Loulou { 3530b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3531b1d90e6bSRabie Loulou 3532b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3533b1d90e6bSRabie Loulou 3534b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 353532134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 353632134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 353768931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3538b1d90e6bSRabie Loulou } 3539b1d90e6bSRabie Loulou 35401482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 354173867881SPablo Neira Ayuso const struct flow_action_entry *act, 35421482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 35430885ae1aSAbhiram R N u32 *action, 35440885ae1aSAbhiram R N struct netlink_ext_ack *extack) 35451482bd3dSJianbo Liu { 3546cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3547cc495188SJianbo Liu 35480885ae1aSAbhiram R N if (vlan_idx >= MLX5_FS_VLAN_DEPTH) { 35490885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Total vlans used is greater than supported"); 35501482bd3dSJianbo Liu return -EOPNOTSUPP; 35510885ae1aSAbhiram R N } 3552cc495188SJianbo Liu 355373867881SPablo Neira Ayuso switch (act->id) { 355473867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3555cc495188SJianbo Liu if (vlan_idx) { 3556cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 35570885ae1aSAbhiram R N MLX5_FS_VLAN_DEPTH)) { 35580885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 35590885ae1aSAbhiram R N "vlan pop action is not supported"); 3560cc495188SJianbo Liu return -EOPNOTSUPP; 35610885ae1aSAbhiram R N } 3562cc495188SJianbo Liu 3563cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3564cc495188SJianbo Liu } else { 3565cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3566cc495188SJianbo Liu } 356773867881SPablo Neira Ayuso break; 356873867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 356973867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 357073867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 357173867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3572cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3573cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3574cc495188SJianbo Liu 3575cc495188SJianbo Liu if (vlan_idx) { 3576cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 35770885ae1aSAbhiram R N MLX5_FS_VLAN_DEPTH)) { 35780885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 35790885ae1aSAbhiram R N "vlan push action is not supported for vlan depth > 1"); 3580cc495188SJianbo Liu return -EOPNOTSUPP; 35810885ae1aSAbhiram R N } 3582cc495188SJianbo Liu 3583cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3584cc495188SJianbo Liu } else { 3585cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 358673867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 35870885ae1aSAbhiram R N act->vlan.prio)) { 35880885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 35890885ae1aSAbhiram R N "vlan push action is not supported"); 3590cc495188SJianbo Liu return -EOPNOTSUPP; 35910885ae1aSAbhiram R N } 3592cc495188SJianbo Liu 3593cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 35941482bd3dSJianbo Liu } 359573867881SPablo Neira Ayuso break; 359673867881SPablo Neira Ayuso default: 35970885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Unexpected action id for VLAN"); 3598bdc837eeSEli Britstein return -EINVAL; 35991482bd3dSJianbo Liu } 36001482bd3dSJianbo Liu 3601cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3602cc495188SJianbo Liu 36031482bd3dSJianbo Liu return 0; 36041482bd3dSJianbo Liu } 36051482bd3dSJianbo Liu 3606d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3607d34eb2fcSOr Gerlitz struct net_device *out_dev) 3608d34eb2fcSOr Gerlitz { 3609d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3610d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3611d34eb2fcSOr Gerlitz 3612d34eb2fcSOr Gerlitz rcu_read_lock(); 3613d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3614d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3615d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3616d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3617d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3618d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3619d34eb2fcSOr Gerlitz if (fdb_out_dev && 3620d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3621d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3622d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3623d34eb2fcSOr Gerlitz } 3624d34eb2fcSOr Gerlitz rcu_read_unlock(); 3625d34eb2fcSOr Gerlitz return fdb_out_dev; 3626d34eb2fcSOr Gerlitz } 3627d34eb2fcSOr Gerlitz 3628278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3629c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 3630278748a9SEli Britstein struct net_device **out_dev, 36310885ae1aSAbhiram R N struct netlink_ext_ack *extack) 3632278748a9SEli Britstein { 3633278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3634278748a9SEli Britstein struct flow_action_entry vlan_act = { 3635278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3636278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3637278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3638278748a9SEli Britstein .vlan.prio = 0, 3639278748a9SEli Britstein }; 3640278748a9SEli Britstein int err; 3641278748a9SEli Britstein 364270a140eaSRoi Dayan err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, &attr->action, extack); 3643278748a9SEli Britstein if (err) 3644278748a9SEli Britstein return err; 3645278748a9SEli Britstein 3646dca59f4aSDima Chumak rcu_read_lock(); 3647dca59f4aSDima Chumak *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), dev_get_iflink(vlan_dev)); 3648dca59f4aSDima Chumak rcu_read_unlock(); 3649dca59f4aSDima Chumak if (!*out_dev) 3650dca59f4aSDima Chumak return -ENODEV; 3651dca59f4aSDima Chumak 3652278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 365370a140eaSRoi Dayan err = add_vlan_push_action(priv, attr, out_dev, extack); 3654278748a9SEli Britstein 3655278748a9SEli Britstein return err; 3656278748a9SEli Britstein } 3657278748a9SEli Britstein 365835a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 3659c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 36600885ae1aSAbhiram R N struct netlink_ext_ack *extack) 366135a605dbSEli Britstein { 366235a605dbSEli Britstein struct flow_action_entry vlan_act = { 366335a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 366435a605dbSEli Britstein }; 366570f478caSDmytro Linkin int nest_level, err = 0; 366635a605dbSEli Britstein 366770f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 366870f478caSDmytro Linkin priv->netdev->lower_level; 366935a605dbSEli Britstein while (nest_level--) { 367070a140eaSRoi Dayan err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, 367170a140eaSRoi Dayan &attr->action, extack); 367235a605dbSEli Britstein if (err) 367335a605dbSEli Britstein return err; 367435a605dbSEli Britstein } 367535a605dbSEli Britstein 367635a605dbSEli Britstein return err; 367735a605dbSEli Britstein } 367835a605dbSEli Britstein 367932134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 368032134847SMaor Dickman struct net_device *peer_netdev) 368132134847SMaor Dickman { 368232134847SMaor Dickman struct mlx5e_priv *peer_priv; 368332134847SMaor Dickman 368432134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 368532134847SMaor Dickman 368632134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 368732134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 368832134847SMaor Dickman same_hw_devs(priv, peer_priv); 368932134847SMaor Dickman } 369032134847SMaor Dickman 369132134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 369232134847SMaor Dickman struct net_device *peer_netdev) 369332134847SMaor Dickman { 369432134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 369532134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 369632134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 369732134847SMaor Dickman } 369832134847SMaor Dickman 3699f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3700f6dc1264SPaul Blakey struct net_device *out_dev) 3701f6dc1264SPaul Blakey { 370232134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 370332134847SMaor Dickman return true; 370432134847SMaor Dickman 370532134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3706f6dc1264SPaul Blakey return true; 3707f6dc1264SPaul Blakey 3708f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 370932134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3710f6dc1264SPaul Blakey } 3711f6dc1264SPaul Blakey 3712554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3713554fe75cSDmytro Linkin struct net_device *out_dev, 3714554fe75cSDmytro Linkin int *ifindexes, int if_count, 3715554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3716554fe75cSDmytro Linkin { 3717554fe75cSDmytro Linkin int i; 3718554fe75cSDmytro Linkin 3719554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3720554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3721554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3722554fe75cSDmytro Linkin "can't duplicate output to same device"); 3723554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3724554fe75cSDmytro Linkin out_dev->name); 3725554fe75cSDmytro Linkin return true; 3726554fe75cSDmytro Linkin } 3727554fe75cSDmytro Linkin } 3728554fe75cSDmytro Linkin 3729554fe75cSDmytro Linkin return false; 3730554fe75cSDmytro Linkin } 3731554fe75cSDmytro Linkin 3732613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3733613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3734613f53feSEli Cohen struct net_device *out_dev, 3735613f53feSEli Cohen struct netlink_ext_ack *extack) 3736613f53feSEli Cohen { 3737c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 3738613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3739613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3740613f53feSEli Cohen 3741613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3742613f53feSEli Cohen * uplink ports is allowed only if 3743613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3744613f53feSEli Cohen * 3745c620b772SAriel Levkovich * Input vport was stored attr->in_rep. 3746613f53feSEli Cohen * In LAG case, *priv* is the private data of 3747613f53feSEli Cohen * uplink which may be not the input vport. 3748613f53feSEli Cohen */ 3749613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3750613f53feSEli Cohen 3751613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3752613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3753613f53feSEli Cohen return 0; 3754613f53feSEli Cohen 3755613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3756613f53feSEli Cohen termination_table_raw_traffic)) { 3757613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3758613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3759613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3760613f53feSEli Cohen priv->netdev->name, out_dev->name); 3761613f53feSEli Cohen return -EOPNOTSUPP; 3762613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3763613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3764613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3765613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3766613f53feSEli Cohen priv->netdev->name, out_dev->name); 3767613f53feSEli Cohen return -EOPNOTSUPP; 3768613f53feSEli Cohen } 3769613f53feSEli Cohen return 0; 3770613f53feSEli Cohen } 3771613f53feSEli Cohen 377227484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 377327484f71SAriel Levkovich struct mlx5_flow_attr *attr, 377427484f71SAriel Levkovich int ifindex, 377527484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 377627484f71SAriel Levkovich u32 *action, 377727484f71SAriel Levkovich int out_index) 377827484f71SAriel Levkovich { 377927484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 378027484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 378127484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 378227484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 378327484f71SAriel Levkovich int err; 378427484f71SAriel Levkovich 378527484f71SAriel Levkovich parse_attr = attr->parse_attr; 378627484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 378727484f71SAriel Levkovich 378827484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 378927484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 379027484f71SAriel Levkovich return PTR_ERR(dest_int_port); 379127484f71SAriel Levkovich 379227484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 379327484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 379427484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 379527484f71SAriel Levkovich if (err) { 379627484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 379727484f71SAriel Levkovich return err; 379827484f71SAriel Levkovich } 379927484f71SAriel Levkovich 380027484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 380127484f71SAriel Levkovich 380227484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 380327484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 380427484f71SAriel Levkovich 380527484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 380627484f71SAriel Levkovich attr->dest_chain = 0; 380727484f71SAriel Levkovich 380827484f71SAriel Levkovich return 0; 380927484f71SAriel Levkovich } 381027484f71SAriel Levkovich 381173867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 381273867881SPablo Neira Ayuso struct flow_action *flow_action, 3813e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 381470f8019eSRoi Dayan struct netlink_ext_ack *extack) 3815a54e20b4SHadar Hen Zion { 381673867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3817bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3818fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3819c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 38201d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 3821bcd6740cSChris Mi struct mlx5e_sample_attr sample_attr = {}; 382273867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3823c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3824554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 382584179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 3826fad54790SRoi Dayan enum mlx5_flow_namespace_type ns_type; 382773867881SPablo Neira Ayuso const struct flow_action_entry *act; 3828c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 38290a7fcb78SPaul Blakey bool encap = false, decap = false; 3830fad54790SRoi Dayan struct mlx5e_tc_act *tc_act; 3831554fe75cSDmytro Linkin int err, i, if_count = 0; 383227484f71SAriel Levkovich bool ptype_host = false; 3833f828ca6aSEli Cohen bool mpls_push = false; 383403a9d11eSOr Gerlitz 3835df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3836df990477SRoi Dayan if (err) 3837df990477SRoi Dayan return err; 3838319a1d19SJiri Pirko 3839c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3840c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3841fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3842fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3843fad54790SRoi Dayan ns_type = get_flow_name_space(flow); 3844c620b772SAriel Levkovich 384573867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 384673867881SPablo Neira Ayuso switch (act->id) { 3847dbac71f2SAriel Levkovich case FLOW_ACTION_PTYPE: 3848dbac71f2SAriel Levkovich if (act->ptype != PACKET_HOST) { 3849dbac71f2SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3850dbac71f2SAriel Levkovich "skbedit ptype is only supported with type host"); 3851dbac71f2SAriel Levkovich return -EOPNOTSUPP; 3852dbac71f2SAriel Levkovich } 385327484f71SAriel Levkovich 385427484f71SAriel Levkovich ptype_host = true; 3855dbac71f2SAriel Levkovich break; 3856f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3857f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3858f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3859f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3860f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3861f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 3862f828ca6aSEli Cohen return -EOPNOTSUPP; 3863f828ca6aSEli Cohen } 3864f828ca6aSEli Cohen mpls_push = true; 3865f828ca6aSEli Cohen break; 386614e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 386714e6b038SEli Cohen /* we only support mpls pop if it is the first action 386814e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 386914e6b038SEli Cohen * actions can be pedit and the last can be mirred 387014e6b038SEli Cohen * egress redirect. 387114e6b038SEli Cohen */ 387214e6b038SEli Cohen if (i) { 387314e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 387414e6b038SEli Cohen "mpls pop supported only as first action"); 387514e6b038SEli Cohen return -EOPNOTSUPP; 387614e6b038SEli Cohen } 387770f8019eSRoi Dayan if (!netif_is_bareudp(parse_attr->filter_dev)) { 387814e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 387914e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 388014e6b038SEli Cohen return -EOPNOTSUPP; 388114e6b038SEli Cohen } 388214e6b038SEli Cohen 388314e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 38849745dbe0SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 388514e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 388614e6b038SEli Cohen break; 388773867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 388873867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 388973867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3890582234b4SEli Cohen parse_attr, hdrs, flow, extack); 3891d7e75a32SOr Gerlitz if (err) 3892d7e75a32SOr Gerlitz return err; 3893d7e75a32SOr Gerlitz 3894582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 38959745dbe0SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3896c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 3897582234b4SEli Cohen } 389873867881SPablo Neira Ayuso break; 389973867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 39009745dbe0SRoi Dayan if (csum_offload_supported(priv, attr->action, 390173867881SPablo Neira Ayuso act->csum_flags, extack)) 390273867881SPablo Neira Ayuso break; 390326c02749SOr Gerlitz 390426c02749SOr Gerlitz return -EOPNOTSUPP; 390527484f71SAriel Levkovich case FLOW_ACTION_REDIRECT_INGRESS: { 390627484f71SAriel Levkovich struct net_device *out_dev; 390727484f71SAriel Levkovich 390827484f71SAriel Levkovich out_dev = act->dev; 390927484f71SAriel Levkovich if (!out_dev) 391027484f71SAriel Levkovich return -EOPNOTSUPP; 391127484f71SAriel Levkovich 391227484f71SAriel Levkovich if (!netif_is_ovs_master(out_dev)) { 391327484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 391427484f71SAriel Levkovich "redirect to ingress is supported only for OVS internal ports"); 391527484f71SAriel Levkovich return -EOPNOTSUPP; 391627484f71SAriel Levkovich } 391727484f71SAriel Levkovich 391827484f71SAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 391927484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 392027484f71SAriel Levkovich "redirect to ingress is not supported from internal port"); 392127484f71SAriel Levkovich return -EOPNOTSUPP; 392227484f71SAriel Levkovich } 392327484f71SAriel Levkovich 392427484f71SAriel Levkovich if (!ptype_host) { 392527484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 392627484f71SAriel Levkovich "redirect to int port ingress requires ptype=host action"); 392727484f71SAriel Levkovich return -EOPNOTSUPP; 392827484f71SAriel Levkovich } 392927484f71SAriel Levkovich 393027484f71SAriel Levkovich if (esw_attr->out_count) { 393127484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 393227484f71SAriel Levkovich "redirect to int port ingress is supported only as single destination"); 393327484f71SAriel Levkovich return -EOPNOTSUPP; 393427484f71SAriel Levkovich } 393527484f71SAriel Levkovich 39369745dbe0SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 393727484f71SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_COUNT; 393827484f71SAriel Levkovich 393927484f71SAriel Levkovich err = mlx5e_set_fwd_to_int_port_actions(priv, attr, out_dev->ifindex, 394027484f71SAriel Levkovich MLX5E_TC_INT_PORT_INGRESS, 39419745dbe0SRoi Dayan &attr->action, esw_attr->out_count); 394227484f71SAriel Levkovich if (err) 394327484f71SAriel Levkovich return err; 394427484f71SAriel Levkovich 394527484f71SAriel Levkovich esw_attr->out_count++; 394627484f71SAriel Levkovich 394727484f71SAriel Levkovich break; 394827484f71SAriel Levkovich } 394973867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 395073867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 395103a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 3952592d3651SChris Mi struct net_device *out_dev; 395303a9d11eSOr Gerlitz 395473867881SPablo Neira Ayuso out_dev = act->dev; 3955ef381359SOz Shlomo if (!out_dev) { 3956ef381359SOz Shlomo /* out_dev is NULL when filters with 3957ef381359SOz Shlomo * non-existing mirred device are replayed to 3958ef381359SOz Shlomo * the driver. 3959ef381359SOz Shlomo */ 3960ef381359SOz Shlomo return -EINVAL; 3961ef381359SOz Shlomo } 396203a9d11eSOr Gerlitz 3963f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 3964f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3965f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 3966f828ca6aSEli Cohen return -EOPNOTSUPP; 3967f828ca6aSEli Cohen } 3968f828ca6aSEli Cohen 396984179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 397084179981SPaul Blakey /* Ignore forward to self rules generated 397184179981SPaul Blakey * by adding both mlx5 devs to the flow table 397284179981SPaul Blakey * block on a normal nft offload setup. 397384179981SPaul Blakey */ 397484179981SPaul Blakey return -EOPNOTSUPP; 397584179981SPaul Blakey } 397684179981SPaul Blakey 3977c620b772SAriel Levkovich if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 3978e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3979e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 39804ccd83f4SRoi Dayan netdev_warn(priv->netdev, 39814ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 3982c620b772SAriel Levkovich esw_attr->out_count); 3983592d3651SChris Mi return -EOPNOTSUPP; 3984592d3651SChris Mi } 3985592d3651SChris Mi 39869745dbe0SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3987f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 3988b6a4ac24SVlad Buslov if (encap) { 3989c620b772SAriel Levkovich parse_attr->mirred_ifindex[esw_attr->out_count] = 3990b6a4ac24SVlad Buslov out_dev->ifindex; 39910d9f9647SVlad Buslov parse_attr->tun_info[esw_attr->out_count] = 39920d9f9647SVlad Buslov mlx5e_dup_tun_info(info); 3993c620b772SAriel Levkovich if (!parse_attr->tun_info[esw_attr->out_count]) 3994b6a4ac24SVlad Buslov return -ENOMEM; 3995b6a4ac24SVlad Buslov encap = false; 3996c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].flags |= 3997b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 3998c620b772SAriel Levkovich esw_attr->out_count++; 3999b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 4000b6a4ac24SVlad Buslov * handle encap 4001b6a4ac24SVlad Buslov */ 4002b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 40037ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 40047ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 40057ba58ba7SRabie Loulou 4006554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 4007554fe75cSDmytro Linkin out_dev, 4008554fe75cSDmytro Linkin ifindexes, 4009554fe75cSDmytro Linkin if_count, 4010554fe75cSDmytro Linkin extack)) 4011554fe75cSDmytro Linkin return -EOPNOTSUPP; 4012554fe75cSDmytro Linkin 4013554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 4014554fe75cSDmytro Linkin if_count++; 4015554fe75cSDmytro Linkin 4016d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 4017d34eb2fcSOr Gerlitz if (!out_dev) 4018d34eb2fcSOr Gerlitz return -ENODEV; 40197ba58ba7SRabie Loulou 4020278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 402170a140eaSRoi Dayan err = add_vlan_push_action(priv, attr, &out_dev, extack); 4022278748a9SEli Britstein if (err) 4023278748a9SEli Britstein return err; 4024278748a9SEli Britstein } 4025f6dc1264SPaul Blakey 402635a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 402770a140eaSRoi Dayan err = add_vlan_pop_action(priv, attr, extack); 402835a605dbSEli Britstein if (err) 402935a605dbSEli Britstein return err; 403035a605dbSEli Britstein } 4031278748a9SEli Britstein 4032fca572f2SDima Chumak if (netif_is_macvlan(out_dev)) 4033fca572f2SDima Chumak out_dev = macvlan_dev_real_dev(out_dev); 4034fca572f2SDima Chumak 4035613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 4036613f53feSEli Cohen if (err) 4037613f53feSEli Cohen return err; 4038ffec9702STonghao Zhang 4039f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 4040f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 4041f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 4042a0646c88SEli Britstein return -EOPNOTSUPP; 4043f6dc1264SPaul Blakey } 4044a0646c88SEli Britstein 4045bb569657SAriel Levkovich if (same_vf_reps(priv, out_dev)) { 4046bb569657SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4047bb569657SAriel Levkovich "can't forward from a VF to itself"); 4048bb569657SAriel Levkovich return -EOPNOTSUPP; 4049bb569657SAriel Levkovich } 4050bb569657SAriel Levkovich 405103a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 40521d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 4053c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].rep = rpriv->rep; 4054c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev; 4055c620b772SAriel Levkovich esw_attr->out_count++; 405627484f71SAriel Levkovich } else if (netif_is_ovs_master(out_dev)) { 405727484f71SAriel Levkovich err = mlx5e_set_fwd_to_int_port_actions(priv, attr, 405827484f71SAriel Levkovich out_dev->ifindex, 405927484f71SAriel Levkovich MLX5E_TC_INT_PORT_EGRESS, 40609745dbe0SRoi Dayan &attr->action, 406127484f71SAriel Levkovich esw_attr->out_count); 406227484f71SAriel Levkovich if (err) 406327484f71SAriel Levkovich return err; 406427484f71SAriel Levkovich 406527484f71SAriel Levkovich esw_attr->out_count++; 4066ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 4067ef381359SOz Shlomo /* All mlx5 devices are called to configure 4068ef381359SOz Shlomo * high level device filters. Therefore, the 4069ef381359SOz Shlomo * *attempt* to install a filter on invalid 4070ef381359SOz Shlomo * eswitch should not trigger an explicit error 4071ef381359SOz Shlomo */ 4072ef381359SOz Shlomo return -EINVAL; 4073a54e20b4SHadar Hen Zion } else { 4074e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4075e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 40764ccd83f4SRoi Dayan netdev_warn(priv->netdev, 40774ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 40784ccd83f4SRoi Dayan priv->netdev->name, 40794ccd83f4SRoi Dayan out_dev->name); 408025f150f4SRoi Dayan return -EOPNOTSUPP; 4081a54e20b4SHadar Hen Zion } 4082a54e20b4SHadar Hen Zion } 408373867881SPablo Neira Ayuso break; 408473867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 408573867881SPablo Neira Ayuso info = act->tunnel; 40860885ae1aSAbhiram R N if (info) { 4087a54e20b4SHadar Hen Zion encap = true; 40880885ae1aSAbhiram R N } else { 40890885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 40900885ae1aSAbhiram R N "Zero tunnel attributes is not supported"); 4091a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 40920885ae1aSAbhiram R N } 409303a9d11eSOr Gerlitz 409473867881SPablo Neira Ayuso break; 409573867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 409673867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 409776b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 40989745dbe0SRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 409976b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 41009745dbe0SRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 410176b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 410276b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 410376b496b1SEli Britstein act, parse_attr, hdrs, 41049745dbe0SRoi Dayan &attr->action, extack); 410576b496b1SEli Britstein } else { 41069745dbe0SRoi Dayan err = parse_tc_vlan_action(priv, act, esw_attr, &attr->action, 41079745dbe0SRoi Dayan extack); 410876b496b1SEli Britstein } 41091482bd3dSJianbo Liu if (err) 41101482bd3dSJianbo Liu return err; 41111482bd3dSJianbo Liu 4112c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 411373867881SPablo Neira Ayuso break; 4114bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 4115bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 4116bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 4117bdc837eeSEli Britstein act, parse_attr, hdrs, 41189745dbe0SRoi Dayan &attr->action, extack); 4119bdc837eeSEli Britstein if (err) 4120bdc837eeSEli Britstein return err; 4121bdc837eeSEli Britstein 4122c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 4123bdc837eeSEli Britstein break; 412473867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 41250a7fcb78SPaul Blakey decap = true; 412673867881SPablo Neira Ayuso break; 41274c3844d9SPaul Blakey case FLOW_ACTION_CT: 412841c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 412941c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 413041c2fd94SChris Mi return -EOPNOTSUPP; 413141c2fd94SChris Mi } 4132806401c2SRoi Dayan err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, 4133806401c2SRoi Dayan &parse_attr->mod_hdr_acts, 4134806401c2SRoi Dayan act, extack); 41354c3844d9SPaul Blakey if (err) 41364c3844d9SPaul Blakey return err; 41374c3844d9SPaul Blakey 41384c3844d9SPaul Blakey flow_flag_set(flow, CT); 413969e2916eSPaul Blakey esw_attr->split_count = esw_attr->out_count; 41404c3844d9SPaul Blakey break; 414141c2fd94SChris Mi case FLOW_ACTION_SAMPLE: 414241c2fd94SChris Mi if (flow_flag_test(flow, CT)) { 414341c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 414441c2fd94SChris Mi return -EOPNOTSUPP; 414541c2fd94SChris Mi } 4146bcd6740cSChris Mi sample_attr.rate = act->sample.rate; 4147bcd6740cSChris Mi sample_attr.group_num = act->sample.psample_group->group_num; 414841c2fd94SChris Mi if (act->sample.truncate) 4149bcd6740cSChris Mi sample_attr.trunc_size = act->sample.trunc_size; 415041c2fd94SChris Mi flow_flag_set(flow, SAMPLE); 415141c2fd94SChris Mi break; 415273867881SPablo Neira Ayuso default: 4153fad54790SRoi Dayan break; 4154fad54790SRoi Dayan } 4155fad54790SRoi Dayan 4156fad54790SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 4157fad54790SRoi Dayan if (!tc_act) { 4158fad54790SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 41592cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 416003a9d11eSOr Gerlitz } 4161fad54790SRoi Dayan 4162fad54790SRoi Dayan if (!tc_act->can_offload(parse_state, act, i)) 4163fad54790SRoi Dayan return -EOPNOTSUPP; 4164fad54790SRoi Dayan 4165fad54790SRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 4166fad54790SRoi Dayan if (err) 4167fad54790SRoi Dayan return err; 416873867881SPablo Neira Ayuso } 4169bdd66ac0SOr Gerlitz 4170166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4171166f431eSAriel Levkovich if ((netif_is_ovs_master(parse_attr->filter_dev) || esw_attr->dest_int_port) && 4172166f431eSAriel Levkovich esw_attr->out_count > 1) { 417327484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4174166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 417527484f71SAriel Levkovich return -EOPNOTSUPP; 417627484f71SAriel Levkovich } 417727484f71SAriel Levkovich 41780bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 41799745dbe0SRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 41800bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 41810bac1194SEli Britstein * tag rewrite. 41820bac1194SEli Britstein */ 41839745dbe0SRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 41840bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 41859745dbe0SRoi Dayan &attr->action, extack); 41860bac1194SEli Britstein if (err) 41870bac1194SEli Britstein return err; 41880bac1194SEli Britstein } 41890bac1194SEli Britstein 4190d9581e2fSRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); 4191c500c86bSPablo Neira Ayuso if (err) 4192c500c86bSPablo Neira Ayuso return err; 4193c500c86bSPablo Neira Ayuso 419473867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4195bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4196bdd66ac0SOr Gerlitz 41977f8770c7SRoi Dayan if (attr->dest_chain && decap) { 41980a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 41990a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 42000a7fcb78SPaul Blakey * this tunnel id with this decap flow. 42010a7fcb78SPaul Blakey * 42020a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 42030a7fcb78SPaul Blakey * device. 42040a7fcb78SPaul Blakey */ 42050a7fcb78SPaul Blakey 42067f8770c7SRoi Dayan NL_SET_ERR_MSG(extack, "Decap with goto isn't supported"); 42077f8770c7SRoi Dayan netdev_warn(priv->netdev, "Decap with goto isn't supported"); 42080a7fcb78SPaul Blakey return -EOPNOTSUPP; 42090a7fcb78SPaul Blakey } 42100a7fcb78SPaul Blakey 421141c2fd94SChris Mi /* Allocate sample attribute only when there is a sample action and 421241c2fd94SChris Mi * no errors after parsing. 421341c2fd94SChris Mi */ 421441c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 4215bcd6740cSChris Mi attr->sample_attr = kzalloc(sizeof(*attr->sample_attr), GFP_KERNEL); 4216bcd6740cSChris Mi if (!attr->sample_attr) 421741c2fd94SChris Mi return -ENOMEM; 4218bcd6740cSChris Mi *attr->sample_attr = sample_attr; 421941c2fd94SChris Mi } 422041c2fd94SChris Mi 422131c8eba5SOr Gerlitz return 0; 422203a9d11eSOr Gerlitz } 422303a9d11eSOr Gerlitz 4224226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 422560bd4af8SOr Gerlitz { 4226226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 422760bd4af8SOr Gerlitz 4228226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4229226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4230226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4231226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 423260bd4af8SOr Gerlitz 4233226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4234226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4235226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4236226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 423784179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 423884179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4239d9ee0491SOr Gerlitz 424060bd4af8SOr Gerlitz *flow_flags = __flow_flags; 424160bd4af8SOr Gerlitz } 424260bd4af8SOr Gerlitz 424305866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 424405866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 424505866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 424605866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 424705866c82SOr Gerlitz .automatic_shrinking = true, 424805866c82SOr Gerlitz }; 424905866c82SOr Gerlitz 4250226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4251226f2ca3SVlad Buslov unsigned long flags) 425205866c82SOr Gerlitz { 4253655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4254655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4255655dc3d2SOr Gerlitz 4256226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4257655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4258ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4259d9ee0491SOr Gerlitz } else /* NIC offload */ 426005866c82SOr Gerlitz return &priv->fs.tc.ht; 426105866c82SOr Gerlitz } 426205866c82SOr Gerlitz 426304de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 426404de7ddaSRoi Dayan { 4265c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4266c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4267c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4268226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 42691418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 42701418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4271c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 42721418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 42731418ddd9SAviv Heller 427410fbb1cdSRoi Dayan if (!esw_paired) 427510fbb1cdSRoi Dayan return false; 427610fbb1cdSRoi Dayan 4277c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4278c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 427910fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 428010fbb1cdSRoi Dayan return true; 428110fbb1cdSRoi Dayan 428210fbb1cdSRoi Dayan return false; 428304de7ddaSRoi Dayan } 428404de7ddaSRoi Dayan 4285c620b772SAriel Levkovich struct mlx5_flow_attr * 4286c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4287c620b772SAriel Levkovich { 4288c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4289c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4290c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4291c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4292c620b772SAriel Levkovich 4293c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 4294c620b772SAriel Levkovich } 4295c620b772SAriel Levkovich 4296a88780a9SRoi Dayan static int 4297a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4298226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4299a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4300a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4301e3a2b7edSAmir Vadai { 430217091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4303c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 43043bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4305ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4306ff7ea04aSGustavo A. R. Silva int out_index; 4307776b12b6SOr Gerlitz 4308c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 43091b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4310ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4311ff7ea04aSGustavo A. R. Silva goto err_free; 4312c620b772SAriel Levkovich 4313c620b772SAriel Levkovich flow->flags = flow_flags; 4314c620b772SAriel Levkovich flow->cookie = f->cookie; 4315c620b772SAriel Levkovich flow->priv = priv; 4316c620b772SAriel Levkovich 4317c620b772SAriel Levkovich attr = mlx5_alloc_flow_attr(get_flow_name_space(flow)); 4318ff7ea04aSGustavo A. R. Silva if (!attr) 4319e3a2b7edSAmir Vadai goto err_free; 4320ff7ea04aSGustavo A. R. Silva 4321c620b772SAriel Levkovich flow->attr = attr; 4322e3a2b7edSAmir Vadai 43235a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 43245a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 43255a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 432614e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 43275a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 432895435ad7SVlad Buslov init_completion(&flow->init_done); 4329362980eaSVlad Buslov init_completion(&flow->del_hw_done); 4330e3a2b7edSAmir Vadai 4331a88780a9SRoi Dayan *__flow = flow; 4332a88780a9SRoi Dayan *__parse_attr = parse_attr; 4333a88780a9SRoi Dayan 4334a88780a9SRoi Dayan return 0; 4335a88780a9SRoi Dayan 4336a88780a9SRoi Dayan err_free: 4337a88780a9SRoi Dayan kfree(flow); 4338a88780a9SRoi Dayan kvfree(parse_attr); 4339a88780a9SRoi Dayan return err; 4340adb4c123SOr Gerlitz } 4341adb4c123SOr Gerlitz 4342988ab9c7STonghao Zhang static void 4343c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4344c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4345c7569097SAriel Levkovich struct flow_cls_offload *f) 4346c7569097SAriel Levkovich { 4347c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4348c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4349c7569097SAriel Levkovich attr->prio = f->common.prio; 4350c7569097SAriel Levkovich } 4351c7569097SAriel Levkovich 4352c7569097SAriel Levkovich static void 4353c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4354988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4355988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4356f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4357988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4358988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4359988ab9c7STonghao Zhang { 4360988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4361c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4362988ab9c7STonghao Zhang 4363c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4364988ab9c7STonghao Zhang 4365988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4366988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4367988ab9c7STonghao Zhang 4368988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4369988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4370988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4371988ab9c7STonghao Zhang else 4372988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4373988ab9c7STonghao Zhang } 4374988ab9c7STonghao Zhang 437571129676SJason Gunthorpe static struct mlx5e_tc_flow * 437604de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4377f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4378226f2ca3SVlad Buslov unsigned long flow_flags, 4379d11afc26SOz Shlomo struct net_device *filter_dev, 438004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 438171129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4382a88780a9SRoi Dayan { 4383f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4384a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4385a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4386a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4387a88780a9SRoi Dayan int attr_size, err; 4388a88780a9SRoi Dayan 4389226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4390a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4391a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4392a88780a9SRoi Dayan &parse_attr, &flow); 4393a88780a9SRoi Dayan if (err) 4394a88780a9SRoi Dayan goto out; 4395988ab9c7STonghao Zhang 4396d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4397c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4398988ab9c7STonghao Zhang priv, parse_attr, 4399988ab9c7STonghao Zhang f, in_rep, in_mdev); 4400988ab9c7STonghao Zhang 440154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 440254c177caSOz Shlomo f, filter_dev); 4403d11afc26SOz Shlomo if (err) 4404d11afc26SOz Shlomo goto err_free; 4405a88780a9SRoi Dayan 44067e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4407aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4408c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4409a88780a9SRoi Dayan if (err) 4410a88780a9SRoi Dayan goto err_free; 4411a88780a9SRoi Dayan 4412d4bb0531SRoi Dayan /* always set IP version for indirect table handling */ 4413d4bb0531SRoi Dayan flow->attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 4414d4bb0531SRoi Dayan 441570f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 44164c3844d9SPaul Blakey if (err) 44174c3844d9SPaul Blakey goto err_free; 44184c3844d9SPaul Blakey 44197040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 442095435ad7SVlad Buslov complete_all(&flow->init_done); 4421ef06c9eeSRoi Dayan if (err) { 4422ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4423aa0cbbaeSOr Gerlitz goto err_free; 44245c40348cSOr Gerlitz 4425b4a23329SRoi Dayan add_unready_flow(flow); 4426ef06c9eeSRoi Dayan } 4427ef06c9eeSRoi Dayan 442871129676SJason Gunthorpe return flow; 4429e3a2b7edSAmir Vadai 4430e3a2b7edSAmir Vadai err_free: 44315a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4432a88780a9SRoi Dayan out: 443371129676SJason Gunthorpe return ERR_PTR(err); 4434a88780a9SRoi Dayan } 4435a88780a9SRoi Dayan 4436f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 443795dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4438226f2ca3SVlad Buslov unsigned long flow_flags) 443904de7ddaSRoi Dayan { 444004de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 444104de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4442c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 444304de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 444404de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 444504de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 444604de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 444704de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 444804de7ddaSRoi Dayan int err = 0; 444904de7ddaSRoi Dayan 445004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 445104de7ddaSRoi Dayan if (!peer_esw) 445204de7ddaSRoi Dayan return -ENODEV; 445304de7ddaSRoi Dayan 445404de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 445504de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 445604de7ddaSRoi Dayan 445704de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 445804de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 445904de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 446004de7ddaSRoi Dayan * peer mdev. 446104de7ddaSRoi Dayan */ 4462c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 446304de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 446404de7ddaSRoi Dayan else 446504de7ddaSRoi Dayan in_mdev = priv->mdev; 446604de7ddaSRoi Dayan 4467c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 446895dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 446904de7ddaSRoi Dayan parse_attr->filter_dev, 4470c620b772SAriel Levkovich attr->in_rep, in_mdev); 447171129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 447271129676SJason Gunthorpe err = PTR_ERR(peer_flow); 447304de7ddaSRoi Dayan goto out; 447471129676SJason Gunthorpe } 447504de7ddaSRoi Dayan 447604de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4477226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 447804de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 447904de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 448004de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 448104de7ddaSRoi Dayan 448204de7ddaSRoi Dayan out: 448304de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 448404de7ddaSRoi Dayan return err; 448504de7ddaSRoi Dayan } 448604de7ddaSRoi Dayan 448704de7ddaSRoi Dayan static int 448804de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4489f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4490226f2ca3SVlad Buslov unsigned long flow_flags, 449104de7ddaSRoi Dayan struct net_device *filter_dev, 449204de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 449304de7ddaSRoi Dayan { 449404de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 449504de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 449604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 449704de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 449804de7ddaSRoi Dayan int err; 449904de7ddaSRoi Dayan 450071129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 450171129676SJason Gunthorpe in_mdev); 450271129676SJason Gunthorpe if (IS_ERR(flow)) 450371129676SJason Gunthorpe return PTR_ERR(flow); 450404de7ddaSRoi Dayan 450504de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 450695dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 450704de7ddaSRoi Dayan if (err) { 450804de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 450904de7ddaSRoi Dayan goto out; 451004de7ddaSRoi Dayan } 451104de7ddaSRoi Dayan } 451204de7ddaSRoi Dayan 451304de7ddaSRoi Dayan *__flow = flow; 451404de7ddaSRoi Dayan 451504de7ddaSRoi Dayan return 0; 451604de7ddaSRoi Dayan 451704de7ddaSRoi Dayan out: 451804de7ddaSRoi Dayan return err; 451904de7ddaSRoi Dayan } 452004de7ddaSRoi Dayan 4521a88780a9SRoi Dayan static int 4522a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4523f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4524226f2ca3SVlad Buslov unsigned long flow_flags, 4525d11afc26SOz Shlomo struct net_device *filter_dev, 4526a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4527a88780a9SRoi Dayan { 4528f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4529a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4530a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4531a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4532a88780a9SRoi Dayan int attr_size, err; 4533a88780a9SRoi Dayan 4534c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4535bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4536bf07aa73SPaul Blakey return -EOPNOTSUPP; 4537c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4538c7569097SAriel Levkovich return -EOPNOTSUPP; 4539c7569097SAriel Levkovich } 4540bf07aa73SPaul Blakey 4541226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4542a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4543a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4544a88780a9SRoi Dayan &parse_attr, &flow); 4545a88780a9SRoi Dayan if (err) 4546a88780a9SRoi Dayan goto out; 4547a88780a9SRoi Dayan 4548d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4549c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4550c7569097SAriel Levkovich 455154c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 455254c177caSOz Shlomo f, filter_dev); 4553d11afc26SOz Shlomo if (err) 4554d11afc26SOz Shlomo goto err_free; 4555d11afc26SOz Shlomo 4556aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4557aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4558aedd133dSAriel Levkovich if (err) 4559aedd133dSAriel Levkovich goto err_free; 4560aedd133dSAriel Levkovich 4561c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4562a88780a9SRoi Dayan if (err) 4563a88780a9SRoi Dayan goto err_free; 4564a88780a9SRoi Dayan 4565c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4566a88780a9SRoi Dayan if (err) 4567a88780a9SRoi Dayan goto err_free; 4568a88780a9SRoi Dayan 4569226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4570a88780a9SRoi Dayan *__flow = flow; 4571a88780a9SRoi Dayan 4572a88780a9SRoi Dayan return 0; 4573a88780a9SRoi Dayan 4574a88780a9SRoi Dayan err_free: 45758914add2SVlad Buslov flow_flag_set(flow, FAILED); 45762c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 45775a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4578a88780a9SRoi Dayan out: 4579a88780a9SRoi Dayan return err; 4580a88780a9SRoi Dayan } 4581a88780a9SRoi Dayan 4582a88780a9SRoi Dayan static int 4583a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4584f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4585226f2ca3SVlad Buslov unsigned long flags, 4586d11afc26SOz Shlomo struct net_device *filter_dev, 4587a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4588a88780a9SRoi Dayan { 4589a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4590226f2ca3SVlad Buslov unsigned long flow_flags; 4591a88780a9SRoi Dayan int err; 4592a88780a9SRoi Dayan 4593a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4594a88780a9SRoi Dayan 4595bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4596bf07aa73SPaul Blakey return -EOPNOTSUPP; 4597bf07aa73SPaul Blakey 4598f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4599d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4600d11afc26SOz Shlomo filter_dev, flow); 4601a88780a9SRoi Dayan else 4602d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4603d11afc26SOz Shlomo filter_dev, flow); 4604a88780a9SRoi Dayan 4605a88780a9SRoi Dayan return err; 4606a88780a9SRoi Dayan } 4607a88780a9SRoi Dayan 4608553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4609553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4610553f9328SVu Pham { 4611553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 46122fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 46132fb15e72SVlad Buslov * function is called from NIC mode. 4614553f9328SVu Pham */ 46152fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4616553f9328SVu Pham } 4617553f9328SVu Pham 461871d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4619226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4620a88780a9SRoi Dayan { 4621a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4622d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4623553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4624a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4625a88780a9SRoi Dayan int err = 0; 4626a88780a9SRoi Dayan 46277dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 46287dc84de9SRoi Dayan return -EAGAIN; 46297dc84de9SRoi Dayan 46307dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 46317dc84de9SRoi Dayan 4632c5d326b2SVlad Buslov rcu_read_lock(); 4633c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4634a88780a9SRoi Dayan if (flow) { 4635553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4636553f9328SVu Pham * just return 0. 4637553f9328SVu Pham */ 4638553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4639c1aea9e1SVlad Buslov goto rcu_unlock; 4640553f9328SVu Pham 4641a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4642a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4643a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4644a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4645a88780a9SRoi Dayan f->cookie); 46460e1c1a2fSVlad Buslov err = -EEXIST; 4647c1aea9e1SVlad Buslov goto rcu_unlock; 4648a88780a9SRoi Dayan } 4649c1aea9e1SVlad Buslov rcu_unlock: 4650c1aea9e1SVlad Buslov rcu_read_unlock(); 4651c1aea9e1SVlad Buslov if (flow) 4652c1aea9e1SVlad Buslov goto out; 4653a88780a9SRoi Dayan 46547a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4655d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4656a88780a9SRoi Dayan if (err) 4657a88780a9SRoi Dayan goto out; 4658a88780a9SRoi Dayan 4659553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4660553f9328SVu Pham * set the flow's owner dev. 4661553f9328SVu Pham */ 4662553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4663553f9328SVu Pham flow->orig_dev = dev; 4664553f9328SVu Pham 4665c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4666a88780a9SRoi Dayan if (err) 4667a88780a9SRoi Dayan goto err_free; 4668a88780a9SRoi Dayan 46697dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4670a88780a9SRoi Dayan return 0; 4671a88780a9SRoi Dayan 4672a88780a9SRoi Dayan err_free: 46735a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4674a88780a9SRoi Dayan out: 46757dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 46767dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4677e3a2b7edSAmir Vadai return err; 4678e3a2b7edSAmir Vadai } 4679e3a2b7edSAmir Vadai 46808f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 46818f8ae895SOr Gerlitz { 4682226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4683226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 46848f8ae895SOr Gerlitz 4685226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4686226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 46878f8ae895SOr Gerlitz } 46888f8ae895SOr Gerlitz 468971d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4690226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4691e3a2b7edSAmir Vadai { 4692d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4693e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4694c5d326b2SVlad Buslov int err; 4695e3a2b7edSAmir Vadai 4696c5d326b2SVlad Buslov rcu_read_lock(); 4697ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4698c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4699c5d326b2SVlad Buslov err = -EINVAL; 4700c5d326b2SVlad Buslov goto errout; 4701c5d326b2SVlad Buslov } 4702e3a2b7edSAmir Vadai 4703c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4704c5d326b2SVlad Buslov * set. 4705c5d326b2SVlad Buslov */ 4706c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4707c5d326b2SVlad Buslov err = -EINVAL; 4708c5d326b2SVlad Buslov goto errout; 4709c5d326b2SVlad Buslov } 471005866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4711c5d326b2SVlad Buslov rcu_read_unlock(); 4712e3a2b7edSAmir Vadai 47137a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 47145a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4715e3a2b7edSAmir Vadai 47167dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4717e3a2b7edSAmir Vadai return 0; 4718c5d326b2SVlad Buslov 4719c5d326b2SVlad Buslov errout: 4720c5d326b2SVlad Buslov rcu_read_unlock(); 4721c5d326b2SVlad Buslov return err; 4722e3a2b7edSAmir Vadai } 4723e3a2b7edSAmir Vadai 472471d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4725226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4726aad7e08dSAmir Vadai { 472704de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4728d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 472904de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4730aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4731aad7e08dSAmir Vadai struct mlx5_fc *counter; 4732316d5f72SRoi Dayan u64 lastuse = 0; 4733316d5f72SRoi Dayan u64 packets = 0; 4734316d5f72SRoi Dayan u64 bytes = 0; 47355a7e5bcbSVlad Buslov int err = 0; 4736aad7e08dSAmir Vadai 4737c5d326b2SVlad Buslov rcu_read_lock(); 4738c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 47395a7e5bcbSVlad Buslov tc_ht_params)); 4740c5d326b2SVlad Buslov rcu_read_unlock(); 47415a7e5bcbSVlad Buslov if (IS_ERR(flow)) 47425a7e5bcbSVlad Buslov return PTR_ERR(flow); 47435a7e5bcbSVlad Buslov 47445a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 47455a7e5bcbSVlad Buslov err = -EINVAL; 47465a7e5bcbSVlad Buslov goto errout; 47475a7e5bcbSVlad Buslov } 4748aad7e08dSAmir Vadai 47494c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4750b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4751aad7e08dSAmir Vadai if (!counter) 47525a7e5bcbSVlad Buslov goto errout; 4753aad7e08dSAmir Vadai 4754aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4755316d5f72SRoi Dayan } 4756aad7e08dSAmir Vadai 4757316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4758316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4759316d5f72SRoi Dayan */ 476004de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 476104de7ddaSRoi Dayan if (!peer_esw) 476204de7ddaSRoi Dayan goto out; 476304de7ddaSRoi Dayan 4764226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4765226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 476604de7ddaSRoi Dayan u64 bytes2; 476704de7ddaSRoi Dayan u64 packets2; 476804de7ddaSRoi Dayan u64 lastuse2; 476904de7ddaSRoi Dayan 477004de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4771316d5f72SRoi Dayan if (!counter) 4772316d5f72SRoi Dayan goto no_peer_counter; 477304de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 477404de7ddaSRoi Dayan 477504de7ddaSRoi Dayan bytes += bytes2; 477604de7ddaSRoi Dayan packets += packets2; 477704de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 477804de7ddaSRoi Dayan } 477904de7ddaSRoi Dayan 4780316d5f72SRoi Dayan no_peer_counter: 478104de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 478204de7ddaSRoi Dayan out: 47834b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 478493a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 47857a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 47865a7e5bcbSVlad Buslov errout: 47875a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 47885a7e5bcbSVlad Buslov return err; 4789aad7e08dSAmir Vadai } 4790aad7e08dSAmir Vadai 47911fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4792fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4793fcb64c0fSEli Cohen { 4794fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4795fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 47961fe3e316SParav Pandit u32 rate_mbps = 0; 4797fcb64c0fSEli Cohen u16 vport_num; 4798fcb64c0fSEli Cohen int err; 4799fcb64c0fSEli Cohen 4800e401a184SEli Cohen vport_num = rpriv->rep->vport; 4801e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4802e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4803e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4804e401a184SEli Cohen return -EOPNOTSUPP; 4805e401a184SEli Cohen } 4806e401a184SEli Cohen 4807fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4808fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4809fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4810fcb64c0fSEli Cohen * mbit means million bits. 4811fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4812fcb64c0fSEli Cohen * 1 mbit/sec. 4813fcb64c0fSEli Cohen */ 48141fe3e316SParav Pandit if (rate) { 48151fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 48168b90d897SParav Pandit do_div(rate, 1000000); 48178b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 48181fe3e316SParav Pandit } 48191fe3e316SParav Pandit 48202d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4821fcb64c0fSEli Cohen if (err) 4822fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4823fcb64c0fSEli Cohen 4824fcb64c0fSEli Cohen return err; 4825fcb64c0fSEli Cohen } 4826fcb64c0fSEli Cohen 4827fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4828fcb64c0fSEli Cohen struct flow_action *flow_action, 4829fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4830fcb64c0fSEli Cohen { 4831fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4832fcb64c0fSEli Cohen const struct flow_action_entry *act; 4833fcb64c0fSEli Cohen int err; 4834fcb64c0fSEli Cohen int i; 4835fcb64c0fSEli Cohen 4836fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4837fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4838fcb64c0fSEli Cohen return -EINVAL; 4839fcb64c0fSEli Cohen } 4840fcb64c0fSEli Cohen 4841fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4842fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4843fcb64c0fSEli Cohen return -EOPNOTSUPP; 4844fcb64c0fSEli Cohen } 4845fcb64c0fSEli Cohen 48460885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 48470885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4848319a1d19SJiri Pirko return -EOPNOTSUPP; 48490885ae1aSAbhiram R N } 4850319a1d19SJiri Pirko 4851fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4852fcb64c0fSEli Cohen switch (act->id) { 4853fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 48546a56e199SBaowen Zheng if (act->police.rate_pkt_ps) { 48556a56e199SBaowen Zheng NL_SET_ERR_MSG_MOD(extack, "QoS offload not support packets per second"); 48566a56e199SBaowen Zheng return -EOPNOTSUPP; 48576a56e199SBaowen Zheng } 4858fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4859fcb64c0fSEli Cohen if (err) 4860fcb64c0fSEli Cohen return err; 4861fcb64c0fSEli Cohen 4862fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4863fcb64c0fSEli Cohen break; 4864fcb64c0fSEli Cohen default: 4865fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4866fcb64c0fSEli Cohen return -EOPNOTSUPP; 4867fcb64c0fSEli Cohen } 4868fcb64c0fSEli Cohen } 4869fcb64c0fSEli Cohen 4870fcb64c0fSEli Cohen return 0; 4871fcb64c0fSEli Cohen } 4872fcb64c0fSEli Cohen 4873fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4874fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4875fcb64c0fSEli Cohen { 4876fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4877fcb64c0fSEli Cohen 48787b83355fSEli Cohen if (ma->common.prio != 1) { 4879fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4880fcb64c0fSEli Cohen return -EINVAL; 4881fcb64c0fSEli Cohen } 4882fcb64c0fSEli Cohen 4883fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4884fcb64c0fSEli Cohen } 4885fcb64c0fSEli Cohen 4886fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4887fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4888fcb64c0fSEli Cohen { 4889fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4890fcb64c0fSEli Cohen 4891fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4892fcb64c0fSEli Cohen } 4893fcb64c0fSEli Cohen 4894fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4895fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4896fcb64c0fSEli Cohen { 4897fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4898fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4899fcb64c0fSEli Cohen u64 dbytes; 4900fcb64c0fSEli Cohen u64 dpkts; 4901fcb64c0fSEli Cohen 4902fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4903fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4904fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4905fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 49064b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 490793a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4908fcb64c0fSEli Cohen } 4909fcb64c0fSEli Cohen 49104d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 49114d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 49124d8fcf21SAlaa Hleihel { 49134d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4914db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4915db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 49164d8fcf21SAlaa Hleihel u16 peer_vhca_id; 49174d8fcf21SAlaa Hleihel int bkt; 49184d8fcf21SAlaa Hleihel 49194d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 49204d8fcf21SAlaa Hleihel return; 49214d8fcf21SAlaa Hleihel 49224d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 49234d8fcf21SAlaa Hleihel 4924b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4925db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4926db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4927db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4928b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4929db76ca24SVlad Buslov 4930db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4931db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4932db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4933a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 4934db76ca24SVlad Buslov 4935db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4936db76ca24SVlad Buslov } 49374d8fcf21SAlaa Hleihel } 49384d8fcf21SAlaa Hleihel 49394d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 49404d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 49414d8fcf21SAlaa Hleihel { 49424d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 49434d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 49444d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 49454d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 49464d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 49474d8fcf21SAlaa Hleihel 49484d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 49494d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 49504d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 49514d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49524d8fcf21SAlaa Hleihel 49534d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 49544d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 49554d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 49564d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 49574d8fcf21SAlaa Hleihel if (priv == peer_priv || 49584d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 49594d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49604d8fcf21SAlaa Hleihel 49614d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 49624d8fcf21SAlaa Hleihel 49634d8fcf21SAlaa Hleihel return NOTIFY_DONE; 49644d8fcf21SAlaa Hleihel } 49654d8fcf21SAlaa Hleihel 49666a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 49676a064674SAriel Levkovich { 49686a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 49696a064674SAriel Levkovich u32 max_flow_counter; 49706a064674SAriel Levkovich 49716a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 49726a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 49736a064674SAriel Levkovich 49746a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 49756a064674SAriel Levkovich 49766a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 49776a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 49786a064674SAriel Levkovich 49796a064674SAriel Levkovich return tc_tbl_size; 49806a064674SAriel Levkovich } 49816a064674SAriel Levkovich 4982655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4983e8f887acSAmir Vadai { 4984acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 49856a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 4986c9355682SChris Mi struct mapping_ctx *chains_mapping; 49876a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 49882198b932SRoi Dayan u64 mapping_id; 49894d8fcf21SAlaa Hleihel int err; 4990e8f887acSAmir Vadai 4991b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4992b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4993b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 49945c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 499511c9c548SOr Gerlitz 49964d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 49974d8fcf21SAlaa Hleihel if (err) 49984d8fcf21SAlaa Hleihel return err; 49994d8fcf21SAlaa Hleihel 50009ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 50019ba33339SRoi Dayan 50022198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 50032198b932SRoi Dayan 50042198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 50052198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 5006c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 50072198b932SRoi Dayan 5008c9355682SChris Mi if (IS_ERR(chains_mapping)) { 5009c9355682SChris Mi err = PTR_ERR(chains_mapping); 5010c9355682SChris Mi goto err_mapping; 5011c9355682SChris Mi } 5012c9355682SChris Mi tc->mapping = chains_mapping; 5013c9355682SChris Mi 5014c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 5015c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5016c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 50176a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 50186a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 50196a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 50206783f0a2SVu Pham attr.default_ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 5021c9355682SChris Mi attr.mapping = chains_mapping; 50226a064674SAriel Levkovich 50236a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 50246a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 50256a064674SAriel Levkovich err = PTR_ERR(tc->chains); 50266a064674SAriel Levkovich goto err_chains; 50276a064674SAriel Levkovich } 50286a064674SAriel Levkovich 5029f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 5030aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 5031f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5032aedd133dSAriel Levkovich 50334d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5034d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5035d48834f9SJiri Pirko &tc->netdevice_nb, 5036d48834f9SJiri Pirko &tc->netdevice_nn); 5037d48834f9SJiri Pirko if (err) { 50384d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 50394d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 50406a064674SAriel Levkovich goto err_reg; 50414d8fcf21SAlaa Hleihel } 50424d8fcf21SAlaa Hleihel 50436a064674SAriel Levkovich return 0; 50446a064674SAriel Levkovich 50456a064674SAriel Levkovich err_reg: 5046aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5047f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 50486a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 50496a064674SAriel Levkovich err_chains: 5050c9355682SChris Mi mapping_destroy(chains_mapping); 5051c9355682SChris Mi err_mapping: 50526a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 50534d8fcf21SAlaa Hleihel return err; 5054e8f887acSAmir Vadai } 5055e8f887acSAmir Vadai 5056e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5057e8f887acSAmir Vadai { 5058e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5059655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5060e8f887acSAmir Vadai 5061961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5062e8f887acSAmir Vadai kfree(flow); 5063e8f887acSAmir Vadai } 5064e8f887acSAmir Vadai 5065655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5066e8f887acSAmir Vadai { 5067acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 5068e8f887acSAmir Vadai 50694d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5070d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5071d48834f9SJiri Pirko &tc->netdevice_nb, 5072d48834f9SJiri Pirko &tc->netdevice_nn); 50734d8fcf21SAlaa Hleihel 5074b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5075b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5076b32accdaSVlad Buslov 50776a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5078e8f887acSAmir Vadai 5079acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 50806a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5081acff797cSMaor Gottlieb tc->t = NULL; 5082e8f887acSAmir Vadai } 5083b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 50846a064674SAriel Levkovich 5085aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5086f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5087c9355682SChris Mi mapping_destroy(tc->mapping); 50886a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 5089e8f887acSAmir Vadai } 5090655dc3d2SOr Gerlitz 5091655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 5092655dc3d2SOr Gerlitz { 5093d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 50940a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 5095aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 50960a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5097aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5098aedd133dSAriel Levkovich struct mlx5e_priv *priv; 50992198b932SRoi Dayan u64 mapping_id; 5100aedd133dSAriel Levkovich int err = 0; 51010a7fcb78SPaul Blakey 51020a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5103aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5104aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5105aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 51060a7fcb78SPaul Blakey 5107f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5108f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5109aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5110aedd133dSAriel Levkovich esw_chains(esw), 5111aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5112f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5113f0da4daaSChris Mi uplink_priv->post_act); 51144c3844d9SPaul Blakey 51154f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 51164f4edcc2SAriel Levkovich 51172741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 51182a9ab10aSChris Mi 51192198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 51202198b932SRoi Dayan 51212198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 51222198b932SRoi Dayan sizeof(struct tunnel_match_key), 51230a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 51242198b932SRoi Dayan 51250a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 51260a7fcb78SPaul Blakey err = PTR_ERR(mapping); 51270a7fcb78SPaul Blakey goto err_tun_mapping; 51280a7fcb78SPaul Blakey } 51290a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 51300a7fcb78SPaul Blakey 51313222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 51323222efd4SVlad Buslov * and bridge ingress push mark. 51333222efd4SVlad Buslov */ 51342198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 51353222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 51360a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 51370a7fcb78SPaul Blakey err = PTR_ERR(mapping); 51380a7fcb78SPaul Blakey goto err_enc_opts_mapping; 51390a7fcb78SPaul Blakey } 51400a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 51410a7fcb78SPaul Blakey 51420a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 51430a7fcb78SPaul Blakey if (err) 51440a7fcb78SPaul Blakey goto err_ht_init; 51450a7fcb78SPaul Blakey 51469ba33339SRoi Dayan lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 51479ba33339SRoi Dayan 51488914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 51492b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 51502b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 51518914add2SVlad Buslov goto err_register_fib_notifier; 51522b6c3c1eSWei Yongjun } 51538914add2SVlad Buslov 51542b6c3c1eSWei Yongjun return 0; 51550a7fcb78SPaul Blakey 51568914add2SVlad Buslov err_register_fib_notifier: 51578914add2SVlad Buslov rhashtable_destroy(tc_ht); 51580a7fcb78SPaul Blakey err_ht_init: 51590a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 51600a7fcb78SPaul Blakey err_enc_opts_mapping: 51610a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 51620a7fcb78SPaul Blakey err_tun_mapping: 51630027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 51644f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5165aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 51660a7fcb78SPaul Blakey netdev_warn(priv->netdev, 51670a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5168f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 51690a7fcb78SPaul Blakey return err; 5170655dc3d2SOr Gerlitz } 5171655dc3d2SOr Gerlitz 5172655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5173655dc3d2SOr Gerlitz { 51740a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 51750a7fcb78SPaul Blakey 51760a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5177aedd133dSAriel Levkovich 51788914add2SVlad Buslov rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 51798914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 51808914add2SVlad Buslov 51810a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 51820a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 51834c3844d9SPaul Blakey 51840027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 51854f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5186aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 5187f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5188655dc3d2SOr Gerlitz } 518901252a27SOr Gerlitz 5190226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 519101252a27SOr Gerlitz { 5192d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 519301252a27SOr Gerlitz 519401252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 519501252a27SOr Gerlitz } 519604de7ddaSRoi Dayan 519704de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 519804de7ddaSRoi Dayan { 519904de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 520004de7ddaSRoi Dayan 520104de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 520204de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 520304de7ddaSRoi Dayan } 5204b4a23329SRoi Dayan 5205b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5206b4a23329SRoi Dayan { 5207b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5208b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5209b4a23329SRoi Dayan reoffload_flows_work); 5210b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5211b4a23329SRoi Dayan 5212ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5213b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5214b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5215ad86755bSVlad Buslov unready_flow_del(flow); 5216b4a23329SRoi Dayan } 5217ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5218b4a23329SRoi Dayan } 5219e2394a61SVlad Buslov 5220e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5221e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5222e2394a61SVlad Buslov unsigned long flags) 5223e2394a61SVlad Buslov { 5224e2394a61SVlad Buslov switch (cls_flower->command) { 5225e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5226e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5227e2394a61SVlad Buslov flags); 5228e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5229e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5230e2394a61SVlad Buslov flags); 5231e2394a61SVlad Buslov case FLOW_CLS_STATS: 5232e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5233e2394a61SVlad Buslov flags); 5234e2394a61SVlad Buslov default: 5235e2394a61SVlad Buslov return -EOPNOTSUPP; 5236e2394a61SVlad Buslov } 5237e2394a61SVlad Buslov } 5238e2394a61SVlad Buslov 5239e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5240e2394a61SVlad Buslov void *cb_priv) 5241e2394a61SVlad Buslov { 5242ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5243e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5244e2394a61SVlad Buslov 52452ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 52462ff349c5SRoi Dayan return -EOPNOTSUPP; 52472ff349c5SRoi Dayan 5248ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5249ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5250ec9457a6SRoi Dayan else 5251ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5252ec9457a6SRoi Dayan 5253e2394a61SVlad Buslov switch (type) { 5254e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5255e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5256e2394a61SVlad Buslov default: 5257e2394a61SVlad Buslov return -EOPNOTSUPP; 5258e2394a61SVlad Buslov } 5259e2394a61SVlad Buslov } 5260c7569097SAriel Levkovich 5261c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5262c7569097SAriel Levkovich struct sk_buff *skb) 5263c7569097SAriel Levkovich { 5264c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5265aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5266c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5267aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 5268a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 5269c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5270c7569097SAriel Levkovich int err; 5271c7569097SAriel Levkovich 5272c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5273c7569097SAriel Levkovich 5274c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5275c7569097SAriel Levkovich 5276c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 5277c7569097SAriel Levkovich if (err) { 5278c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5279c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5280c7569097SAriel Levkovich chain_tag, err); 5281c7569097SAriel Levkovich return false; 5282c7569097SAriel Levkovich } 5283c7569097SAriel Levkovich 5284a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 5285a91d98a0SChris Mi chain = mapped_obj.chain; 52869453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 5287c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5288c7569097SAriel Levkovich return false; 5289c7569097SAriel Levkovich 5290c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5291aedd133dSAriel Levkovich 5292ed2fe7baSPaul Blakey zone_restore_id = (reg_b >> REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 529348d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5294aedd133dSAriel Levkovich 5295aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5296aedd133dSAriel Levkovich zone_restore_id)) 5297aedd133dSAriel Levkovich return false; 5298a91d98a0SChris Mi } else { 5299a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5300a91d98a0SChris Mi return false; 5301c7569097SAriel Levkovich } 5302c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5303c7569097SAriel Levkovich 5304c7569097SAriel Levkovich return true; 5305c7569097SAriel Levkovich } 5306