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" 6504de7ddaSRoi Dayan #include "lib/devcom.h" 669272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 67ae430332SAriel Levkovich #include "lib/fs_chains.h" 687a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 691fe3e316SParav Pandit #include <asm/div64.h> 70016c8946SJakub Kicinski #include "lag/lag.h" 71016c8946SJakub Kicinski #include "lag/mp.h" 72e8f887acSAmir Vadai 736a064674SAriel Levkovich #define nic_chains(priv) ((priv)->fs.tc.chains) 7417091853SOr Gerlitz 75acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 766a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 77e8f887acSAmir Vadai 788f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 798f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 808f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 818f1e0b97SPaul Blakey .moffset = 0, 82ed2fe7baSPaul Blakey .mlen = 16, 838f1e0b97SPaul Blakey }, 8410742efcSVlad Buslov [VPORT_TO_REG] = { 8510742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 86ed2fe7baSPaul Blakey .moffset = 16, 87ed2fe7baSPaul Blakey .mlen = 16, 8810742efcSVlad Buslov }, 890a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 900a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 91ed2fe7baSPaul Blakey .moffset = 8, 92ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 930a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 940a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 950a7fcb78SPaul Blakey }, 964c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 97a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 984c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 994c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 1004c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 1014c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 10239c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 103c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 104c7569097SAriel Levkovich * jump between steering domains. 105c7569097SAriel Levkovich */ 106c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 107c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 108c7569097SAriel Levkovich .moffset = 0, 109ed2fe7baSPaul Blakey .mlen = 16, 110c7569097SAriel Levkovich }, 111aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1128f1e0b97SPaul Blakey }; 1138f1e0b97SPaul Blakey 1149ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1159ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1169ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1179ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1189ba33339SRoi Dayan * it's different than the ht->mutex here. 1199ba33339SRoi Dayan */ 1209ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1219ba33339SRoi Dayan 1220a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1230a7fcb78SPaul Blakey 1240a7fcb78SPaul Blakey void 1250a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1260a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 127ed2fe7baSPaul Blakey u32 val, 1280a7fcb78SPaul Blakey u32 mask) 1290a7fcb78SPaul Blakey { 130ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1310a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 132ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1330a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 134ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 135ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 136ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1370a7fcb78SPaul Blakey 1380a7fcb78SPaul Blakey fmask = headers_c + soffset; 1390a7fcb78SPaul Blakey fval = headers_v + soffset; 1400a7fcb78SPaul Blakey 141ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 142ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1430a7fcb78SPaul Blakey 144ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 145ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 146ed2fe7baSPaul Blakey 147ed2fe7baSPaul Blakey //move to correct offset 148ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 149ed2fe7baSPaul Blakey mask <<= moffset; 150ed2fe7baSPaul Blakey val <<= moffset; 151ed2fe7baSPaul Blakey max_mask <<= moffset; 152ed2fe7baSPaul Blakey 153ed2fe7baSPaul Blakey //zero val and mask 154ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 155ed2fe7baSPaul Blakey curr_val &= ~max_mask; 156ed2fe7baSPaul Blakey 157ed2fe7baSPaul Blakey //add current to mask 158ed2fe7baSPaul Blakey curr_mask |= mask; 159ed2fe7baSPaul Blakey curr_val |= val; 160ed2fe7baSPaul Blakey 161ed2fe7baSPaul Blakey //back to be32 and write 162ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 163ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 164ed2fe7baSPaul Blakey 165ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 166ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 1670a7fcb78SPaul Blakey 1680a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1690a7fcb78SPaul Blakey } 1700a7fcb78SPaul Blakey 1717e36feebSPaul Blakey void 1727e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1737e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 174ed2fe7baSPaul Blakey u32 *val, 1757e36feebSPaul Blakey u32 *mask) 1767e36feebSPaul Blakey { 177ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1787e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 179ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1807e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 181ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 182ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 183ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1847e36feebSPaul Blakey 1857e36feebSPaul Blakey fmask = headers_c + soffset; 1867e36feebSPaul Blakey fval = headers_v + soffset; 1877e36feebSPaul Blakey 188ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 189ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1907e36feebSPaul Blakey 191ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 192ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 193ed2fe7baSPaul Blakey 194ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 195ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 1967e36feebSPaul Blakey } 1977e36feebSPaul Blakey 1980a7fcb78SPaul Blakey int 199c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 2000a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 201aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 2020a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 2030a7fcb78SPaul Blakey u32 data) 2040a7fcb78SPaul Blakey { 2050a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2060a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2070a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2080a7fcb78SPaul Blakey char *modact; 2090a7fcb78SPaul Blakey int err; 2100a7fcb78SPaul Blakey 2112c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2122c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2132c0e5cf5SPaul Blakey return PTR_ERR(modact); 2140a7fcb78SPaul Blakey 2150a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 216ed2fe7baSPaul Blakey if (mlen == 32) 2170a7fcb78SPaul Blakey mlen = 0; 2180a7fcb78SPaul Blakey 2190a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2200a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 221ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 222ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2230a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 224c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2250a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2260a7fcb78SPaul Blakey 227c7b9038dSVlad Buslov return err; 2280a7fcb78SPaul Blakey } 2290a7fcb78SPaul Blakey 23027484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 23127484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 23227484f71SAriel Levkovich { 23327484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 23427484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 23527484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 23627484f71SAriel Levkovich 23727484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 23827484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23927484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 24027484f71SAriel Levkovich 24127484f71SAriel Levkovich return uplink_priv->int_port_priv; 24227484f71SAriel Levkovich } 24327484f71SAriel Levkovich 24427484f71SAriel Levkovich return NULL; 24527484f71SAriel Levkovich } 24627484f71SAriel Levkovich 247aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 248aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 249aedd133dSAriel Levkovich { 250aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 251aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 252aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 253aedd133dSAriel Levkovich 254e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 255aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 256aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 257aedd133dSAriel Levkovich 258aedd133dSAriel Levkovich return uplink_priv->ct_priv; 259aedd133dSAriel Levkovich } 260aedd133dSAriel Levkovich 261aedd133dSAriel Levkovich return priv->fs.tc.ct; 262aedd133dSAriel Levkovich } 263aedd133dSAriel Levkovich 2640027d70cSChris Mi static struct mlx5e_tc_psample * 265f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 266f94d6389SChris Mi { 267f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 268f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 269f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 270f94d6389SChris Mi 271f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 272f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 273f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 274f94d6389SChris Mi 2750027d70cSChris Mi return uplink_priv->tc_psample; 276f94d6389SChris Mi } 277f94d6389SChris Mi 278f94d6389SChris Mi return NULL; 279f94d6389SChris Mi } 280f94d6389SChris Mi 281aedd133dSAriel Levkovich struct mlx5_flow_handle * 282aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 283aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 284aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 285aedd133dSAriel Levkovich { 286aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 287aedd133dSAriel Levkovich 288e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 289aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 290aedd133dSAriel Levkovich 291aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 292aedd133dSAriel Levkovich } 293aedd133dSAriel Levkovich 294aedd133dSAriel Levkovich void 295aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 296aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 297aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 298aedd133dSAriel Levkovich { 299aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 300aedd133dSAriel Levkovich 301e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 302aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 303aedd133dSAriel Levkovich 304aedd133dSAriel Levkovich return; 305aedd133dSAriel Levkovich } 306aedd133dSAriel Levkovich 307aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 308aedd133dSAriel Levkovich } 309aedd133dSAriel Levkovich 310c7b9038dSVlad Buslov int 311c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 312c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 313c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 314c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 315c7b9038dSVlad Buslov u32 data) 316c7b9038dSVlad Buslov { 317c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 318c7b9038dSVlad Buslov 319c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 320c7b9038dSVlad Buslov } 321c7b9038dSVlad Buslov 322c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 323c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 324c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 325c7b9038dSVlad Buslov int act_id, u32 data) 326c7b9038dSVlad Buslov { 327c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 328c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 329c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 330c7b9038dSVlad Buslov char *modact; 331c7b9038dSVlad Buslov 3322c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 333c7b9038dSVlad Buslov 334c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 335ed2fe7baSPaul Blakey if (mlen == 32) 336c7b9038dSVlad Buslov mlen = 0; 337c7b9038dSVlad Buslov 338c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 339c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 340ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 341ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 342c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 343c7b9038dSVlad Buslov } 344c7b9038dSVlad Buslov 34577ab67b7SOr Gerlitz struct mlx5e_hairpin { 34677ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 34777ab67b7SOr Gerlitz 34877ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3493f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 35077ab67b7SOr Gerlitz u32 tdn; 351a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 3523f6d08d1SOr Gerlitz 3533f6d08d1SOr Gerlitz int num_channels; 3543f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 355a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 356f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 35777ab67b7SOr Gerlitz }; 35877ab67b7SOr Gerlitz 3595c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3605c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3615c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3625c65c564SOr Gerlitz 36373edca73SVlad Buslov /* protects flows list */ 36473edca73SVlad Buslov spinlock_t flows_lock; 3655c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3665c65c564SOr Gerlitz struct list_head flows; 367db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 368db76ca24SVlad Buslov * function traversed them. 369db76ca24SVlad Buslov */ 370db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3715c65c564SOr Gerlitz 372d8822868SOr Gerlitz u16 peer_vhca_id; 373106be53bSOr Gerlitz u8 prio; 3745c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 375e4f9abbdSVlad Buslov refcount_t refcnt; 376db76ca24SVlad Buslov struct completion res_ready; 3775c65c564SOr Gerlitz }; 3785c65c564SOr Gerlitz 3795a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3805a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3815a7e5bcbSVlad Buslov 3820d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3835a7e5bcbSVlad Buslov { 3845a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3855a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3865a7e5bcbSVlad Buslov return flow; 3875a7e5bcbSVlad Buslov } 3885a7e5bcbSVlad Buslov 3890d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 3905a7e5bcbSVlad Buslov { 3915a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3925a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 393c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3945a7e5bcbSVlad Buslov } 3955a7e5bcbSVlad Buslov } 3965a7e5bcbSVlad Buslov 397aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 398226f2ca3SVlad Buslov { 399226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 400226f2ca3SVlad Buslov } 401226f2ca3SVlad Buslov 40284179981SPaul Blakey static bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 40384179981SPaul Blakey { 40484179981SPaul Blakey return flow_flag_test(flow, FT); 40584179981SPaul Blakey } 40684179981SPaul Blakey 4070d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 408226f2ca3SVlad Buslov { 409226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 410226f2ca3SVlad Buslov } 411226f2ca3SVlad Buslov 412d2faae25SVlad Buslov static int get_flow_name_space(struct mlx5e_tc_flow *flow) 413d2faae25SVlad Buslov { 414d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 415d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 416d2faae25SVlad Buslov } 417b2fdf3d0SPaul Blakey 418b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 419b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 420b2fdf3d0SPaul Blakey { 421b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 422b2fdf3d0SPaul Blakey 423b2fdf3d0SPaul Blakey return get_flow_name_space(flow) == MLX5_FLOW_NAMESPACE_FDB ? 424b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 425b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 426b2fdf3d0SPaul Blakey } 427b2fdf3d0SPaul Blakey 42811c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 42911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 43011c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 43111c9c548SOr Gerlitz { 432b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 433b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 43411c9c548SOr Gerlitz 435b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 436b2fdf3d0SPaul Blakey get_flow_name_space(flow), 437b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 438b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 439b2fdf3d0SPaul Blakey return PTR_ERR(mh); 44011c9c548SOr Gerlitz 441b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 442c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 443b2fdf3d0SPaul Blakey flow->mh = mh; 44411c9c548SOr Gerlitz 44511c9c548SOr Gerlitz return 0; 44611c9c548SOr Gerlitz } 44711c9c548SOr Gerlitz 44811c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 44911c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 45011c9c548SOr Gerlitz { 4515a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 452dd58edc3SVlad Buslov if (!flow->mh) 4535a7e5bcbSVlad Buslov return; 4545a7e5bcbSVlad Buslov 455b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 456b2fdf3d0SPaul Blakey flow->mh); 457dd58edc3SVlad Buslov flow->mh = NULL; 45811c9c548SOr Gerlitz } 45911c9c548SOr Gerlitz 46077ab67b7SOr Gerlitz static 46177ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 46277ab67b7SOr Gerlitz { 463b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 46477ab67b7SOr Gerlitz struct net_device *netdev; 46577ab67b7SOr Gerlitz struct mlx5e_priv *priv; 46677ab67b7SOr Gerlitz 467b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 468b1c2f631SDima Chumak if (!netdev) 469b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 470b1c2f631SDima Chumak 47177ab67b7SOr Gerlitz priv = netdev_priv(netdev); 472b1c2f631SDima Chumak mdev = priv->mdev; 473b1c2f631SDima Chumak dev_put(netdev); 474b1c2f631SDima Chumak 475b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 476b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 477b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 478b1c2f631SDima Chumak * 479b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 480b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 481b1c2f631SDima Chumak * removed. 482b1c2f631SDima Chumak * 483b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 484b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 485b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 486b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 487b1c2f631SDima Chumak */ 488b1c2f631SDima Chumak return mdev; 48977ab67b7SOr Gerlitz } 49077ab67b7SOr Gerlitz 49177ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 49277ab67b7SOr Gerlitz { 493a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 49477ab67b7SOr Gerlitz int err; 49577ab67b7SOr Gerlitz 496a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 497a6696735SMaxim Mikityanskiy if (!builder) 498a6696735SMaxim Mikityanskiy return -ENOMEM; 499a6696735SMaxim Mikityanskiy 50077ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 50177ab67b7SOr Gerlitz if (err) 502a6696735SMaxim Mikityanskiy goto out; 50377ab67b7SOr Gerlitz 504a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 505a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 50677ab67b7SOr Gerlitz if (err) 50777ab67b7SOr Gerlitz goto create_tir_err; 50877ab67b7SOr Gerlitz 509a6696735SMaxim Mikityanskiy out: 510a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 511a6696735SMaxim Mikityanskiy return err; 51277ab67b7SOr Gerlitz 51377ab67b7SOr Gerlitz create_tir_err: 51477ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 515a6696735SMaxim Mikityanskiy 516a6696735SMaxim Mikityanskiy goto out; 51777ab67b7SOr Gerlitz } 51877ab67b7SOr Gerlitz 51977ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 52077ab67b7SOr Gerlitz { 521a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 52277ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 52377ab67b7SOr Gerlitz } 52477ab67b7SOr Gerlitz 5253f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5263f6d08d1SOr Gerlitz { 5273f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5283f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 52906e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 53006e9f13aSMaxim Mikityanskiy int err; 5313f6d08d1SOr Gerlitz 53206e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 53306e9f13aSMaxim Mikityanskiy if (!indir) 5343f6d08d1SOr Gerlitz return -ENOMEM; 5353f6d08d1SOr Gerlitz 53643befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 53706e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 53843ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 53943ec0f41SMaxim Mikityanskiy indir); 5403f6d08d1SOr Gerlitz 54106e9f13aSMaxim Mikityanskiy kvfree(indir); 5423f6d08d1SOr Gerlitz return err; 5433f6d08d1SOr Gerlitz } 5443f6d08d1SOr Gerlitz 5453f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5463f6d08d1SOr Gerlitz { 5473f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 54843ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 549d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 550a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 551a6696735SMaxim Mikityanskiy int err = 0; 552a6696735SMaxim Mikityanskiy 553a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 554a6696735SMaxim Mikityanskiy if (!builder) 555a6696735SMaxim Mikityanskiy return -ENOMEM; 556a6696735SMaxim Mikityanskiy 55743ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 5583f6d08d1SOr Gerlitz 5593f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 56065d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 561d930ac79SAya Levin 56265d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 5633f6d08d1SOr Gerlitz 564a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 565a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 566a6696735SMaxim Mikityanskiy false); 56743ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 568bbeb53b8SAya Levin 569a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 5703f6d08d1SOr Gerlitz if (err) { 5713f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5723f6d08d1SOr Gerlitz goto err_destroy_tirs; 5733f6d08d1SOr Gerlitz } 574a6696735SMaxim Mikityanskiy 575a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 5763f6d08d1SOr Gerlitz } 577a6696735SMaxim Mikityanskiy 578a6696735SMaxim Mikityanskiy out: 579a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 580a6696735SMaxim Mikityanskiy return err; 5813f6d08d1SOr Gerlitz 5823f6d08d1SOr Gerlitz err_destroy_tirs: 583a6696735SMaxim Mikityanskiy max_tt = tt; 584a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 585a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 586a6696735SMaxim Mikityanskiy 587a6696735SMaxim Mikityanskiy goto out; 5883f6d08d1SOr Gerlitz } 5893f6d08d1SOr Gerlitz 5903f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5913f6d08d1SOr Gerlitz { 5923f6d08d1SOr Gerlitz int tt; 5933f6d08d1SOr Gerlitz 5943f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 595a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 5963f6d08d1SOr Gerlitz } 5973f6d08d1SOr Gerlitz 5983f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5993f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 6003f6d08d1SOr Gerlitz { 6013f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 6023f6d08d1SOr Gerlitz int tt; 6033f6d08d1SOr Gerlitz 6043f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6053f6d08d1SOr Gerlitz 606bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 607bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 608bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 609bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 610bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 611bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 612bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 613bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 614bc29764eSMaor Gottlieb } 6153f6d08d1SOr Gerlitz 6163f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6173f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6183f6d08d1SOr Gerlitz } 6193f6d08d1SOr Gerlitz 6203f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6213f6d08d1SOr Gerlitz { 6223f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6233f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6243f6d08d1SOr Gerlitz int err; 6253f6d08d1SOr Gerlitz 6263f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6273f6d08d1SOr Gerlitz if (err) 6283f6d08d1SOr Gerlitz return err; 6293f6d08d1SOr Gerlitz 6303f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6313f6d08d1SOr Gerlitz if (err) 6323f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6333f6d08d1SOr Gerlitz 6343f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 635f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 636f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 637f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 6383f6d08d1SOr Gerlitz goto err_create_ttc_table; 639f4b45940SMaor Gottlieb } 6403f6d08d1SOr Gerlitz 6413f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 642f4b45940SMaor Gottlieb hp->num_channels, 643f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(priv->fs.ttc)->id); 6443f6d08d1SOr Gerlitz 6453f6d08d1SOr Gerlitz return 0; 6463f6d08d1SOr Gerlitz 6473f6d08d1SOr Gerlitz err_create_ttc_table: 6483f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6493f6d08d1SOr Gerlitz err_create_indirect_tirs: 65006e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6513f6d08d1SOr Gerlitz 6523f6d08d1SOr Gerlitz return err; 6533f6d08d1SOr Gerlitz } 6543f6d08d1SOr Gerlitz 6553f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6563f6d08d1SOr Gerlitz { 657f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 6583f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 65906e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6603f6d08d1SOr Gerlitz } 6613f6d08d1SOr Gerlitz 66277ab67b7SOr Gerlitz static struct mlx5e_hairpin * 66377ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 66477ab67b7SOr Gerlitz int peer_ifindex) 66577ab67b7SOr Gerlitz { 66677ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 66777ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 66877ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 66977ab67b7SOr Gerlitz int err; 67077ab67b7SOr Gerlitz 67177ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 67277ab67b7SOr Gerlitz if (!hp) 67377ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 67477ab67b7SOr Gerlitz 67577ab67b7SOr Gerlitz func_mdev = priv->mdev; 67677ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 677b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 678b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 679b1c2f631SDima Chumak goto create_pair_err; 680b1c2f631SDima Chumak } 68177ab67b7SOr Gerlitz 68277ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 68377ab67b7SOr Gerlitz if (IS_ERR(pair)) { 68477ab67b7SOr Gerlitz err = PTR_ERR(pair); 68577ab67b7SOr Gerlitz goto create_pair_err; 68677ab67b7SOr Gerlitz } 68777ab67b7SOr Gerlitz hp->pair = pair; 68877ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6893f6d08d1SOr Gerlitz hp->func_priv = priv; 6903f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 69177ab67b7SOr Gerlitz 69277ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 69377ab67b7SOr Gerlitz if (err) 69477ab67b7SOr Gerlitz goto create_transport_err; 69577ab67b7SOr Gerlitz 6963f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6973f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6983f6d08d1SOr Gerlitz if (err) 6993f6d08d1SOr Gerlitz goto rss_init_err; 7003f6d08d1SOr Gerlitz } 7013f6d08d1SOr Gerlitz 70277ab67b7SOr Gerlitz return hp; 70377ab67b7SOr Gerlitz 7043f6d08d1SOr Gerlitz rss_init_err: 7053f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 70677ab67b7SOr Gerlitz create_transport_err: 70777ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 70877ab67b7SOr Gerlitz create_pair_err: 70977ab67b7SOr Gerlitz kfree(hp); 71077ab67b7SOr Gerlitz return ERR_PTR(err); 71177ab67b7SOr Gerlitz } 71277ab67b7SOr Gerlitz 71377ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 71477ab67b7SOr Gerlitz { 7153f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7163f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 71777ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 71877ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 71977ab67b7SOr Gerlitz kvfree(hp); 72077ab67b7SOr Gerlitz } 72177ab67b7SOr Gerlitz 722106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 723106be53bSOr Gerlitz { 724106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 725106be53bSOr Gerlitz } 726106be53bSOr Gerlitz 7275c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 728106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7295c65c564SOr Gerlitz { 7305c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 731106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7325c65c564SOr Gerlitz 7335c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 734106be53bSOr Gerlitz hairpin_hlist, hash_key) { 735e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 736e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7375c65c564SOr Gerlitz return hpe; 7385c65c564SOr Gerlitz } 739e4f9abbdSVlad Buslov } 7405c65c564SOr Gerlitz 7415c65c564SOr Gerlitz return NULL; 7425c65c564SOr Gerlitz } 7435c65c564SOr Gerlitz 744e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 745e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 746e4f9abbdSVlad Buslov { 747e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 748b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 749e4f9abbdSVlad Buslov return; 750b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 751b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 752e4f9abbdSVlad Buslov 753db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 754e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 755e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 756e4f9abbdSVlad Buslov 757e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 758db76ca24SVlad Buslov } 759db76ca24SVlad Buslov 760db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 761e4f9abbdSVlad Buslov kfree(hpe); 762e4f9abbdSVlad Buslov } 763e4f9abbdSVlad Buslov 764106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 765106be53bSOr Gerlitz 766106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 767e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 768e98bedf5SEli Britstein struct netlink_ext_ack *extack) 769106be53bSOr Gerlitz { 770106be53bSOr Gerlitz void *headers_c, *headers_v; 771106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 772106be53bSOr Gerlitz bool vlan_present; 773106be53bSOr Gerlitz 774106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 775106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 776e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 777e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 778106be53bSOr Gerlitz return -EOPNOTSUPP; 779106be53bSOr Gerlitz } 780106be53bSOr Gerlitz #endif 781106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 782106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 783106be53bSOr Gerlitz 784106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 785106be53bSOr Gerlitz if (vlan_present) { 786106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 787106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 788106be53bSOr Gerlitz } 789106be53bSOr Gerlitz 790106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 791106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 792106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 793e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 794e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 795106be53bSOr Gerlitz return -EOPNOTSUPP; 796106be53bSOr Gerlitz } 797106be53bSOr Gerlitz 798106be53bSOr Gerlitz *match_prio = prio_val; 799106be53bSOr Gerlitz return 0; 800106be53bSOr Gerlitz } 801106be53bSOr Gerlitz 8025c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 8035c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 804e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 805e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8065c65c564SOr Gerlitz { 80798b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8085c65c564SOr Gerlitz struct mlx5_hairpin_params params; 809d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8105c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8115c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8123f6d08d1SOr Gerlitz u64 link_speed64; 8133f6d08d1SOr Gerlitz u32 link_speed; 814106be53bSOr Gerlitz u8 match_prio; 815d8822868SOr Gerlitz u16 peer_id; 8165c65c564SOr Gerlitz int err; 8175c65c564SOr Gerlitz 818d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 819b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 820b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 821b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 822b1c2f631SDima Chumak } 823b1c2f631SDima Chumak 824d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 825e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8265c65c564SOr Gerlitz return -EOPNOTSUPP; 8275c65c564SOr Gerlitz } 8285c65c564SOr Gerlitz 829d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 830e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 831e98bedf5SEli Britstein extack); 832106be53bSOr Gerlitz if (err) 833106be53bSOr Gerlitz return err; 834b32accdaSVlad Buslov 835b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 836106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 837db76ca24SVlad Buslov if (hpe) { 838db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 839db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 840db76ca24SVlad Buslov 841db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 842db76ca24SVlad Buslov err = -EREMOTEIO; 843db76ca24SVlad Buslov goto out_err; 844db76ca24SVlad Buslov } 8455c65c564SOr Gerlitz goto attach_flow; 846db76ca24SVlad Buslov } 8475c65c564SOr Gerlitz 8485c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 849b32accdaSVlad Buslov if (!hpe) { 850db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 851db76ca24SVlad Buslov return -ENOMEM; 852b32accdaSVlad Buslov } 8535c65c564SOr Gerlitz 85473edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8555c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 856db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 857d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 858106be53bSOr Gerlitz hpe->prio = match_prio; 859e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 860db76ca24SVlad Buslov init_completion(&hpe->res_ready); 861db76ca24SVlad Buslov 862db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 863db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 864db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8655c65c564SOr Gerlitz 8666cdc686aSAriel Levkovich params.log_data_size = 16; 8675c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8685c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8695c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8705c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8715c65c564SOr Gerlitz 872eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 873eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 874eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 875eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 876eb9180f7SOr Gerlitz 877eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8783f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8792c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8803f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8813f6d08d1SOr Gerlitz link_speed64 = link_speed; 8823f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8833f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8843f6d08d1SOr Gerlitz 8855c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 886db76ca24SVlad Buslov hpe->hp = hp; 887db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8885c65c564SOr Gerlitz if (IS_ERR(hp)) { 8895c65c564SOr Gerlitz err = PTR_ERR(hp); 890db76ca24SVlad Buslov goto out_err; 8915c65c564SOr Gerlitz } 8925c65c564SOr Gerlitz 893eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 894a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 89527b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 896eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8975c65c564SOr Gerlitz 8985c65c564SOr Gerlitz attach_flow: 8993f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 900226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 901f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 902f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 9033f6d08d1SOr Gerlitz } else { 904a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 9053f6d08d1SOr Gerlitz } 906b32accdaSVlad Buslov 907e4f9abbdSVlad Buslov flow->hpe = hpe; 90873edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9095c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 91073edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9113f6d08d1SOr Gerlitz 9125c65c564SOr Gerlitz return 0; 9135c65c564SOr Gerlitz 914db76ca24SVlad Buslov out_err: 915db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9165c65c564SOr Gerlitz return err; 9175c65c564SOr Gerlitz } 9185c65c564SOr Gerlitz 9195c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9205c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9215c65c564SOr Gerlitz { 9225a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 923e4f9abbdSVlad Buslov if (!flow->hpe) 9245a7e5bcbSVlad Buslov return; 9255a7e5bcbSVlad Buslov 92673edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9275c65c564SOr Gerlitz list_del(&flow->hairpin); 92873edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 92973edca73SVlad Buslov 930e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 931e4f9abbdSVlad Buslov flow->hpe = NULL; 9325c65c564SOr Gerlitz } 9335c65c564SOr Gerlitz 93408247066SAriel Levkovich struct mlx5_flow_handle * 93508247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 93608247066SAriel Levkovich struct mlx5_flow_spec *spec, 937c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 938e8f887acSAmir Vadai { 93908247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 940c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 941c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9426a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9435c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 94466958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9453bc4b7bfSOr Gerlitz .action = attr->action, 946bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 94766958ed9SHadar Hen Zion }; 94808247066SAriel Levkovich struct mlx5_flow_handle *rule; 949c7569097SAriel Levkovich struct mlx5_flow_table *ft; 95008247066SAriel Levkovich int dest_ix = 0; 951e8f887acSAmir Vadai 952bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 953c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 954bb0ee7dcSJianbo Liu 955aedd133dSAriel Levkovich if (attr->dest_ft) { 956aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 957aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 958aedd133dSAriel Levkovich dest_ix++; 959aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9603f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 961c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 96208247066SAriel Levkovich dest_ix++; 963c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9645c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 965c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9663f6d08d1SOr Gerlitz dest_ix++; 9673f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9685c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 969c7569097SAriel Levkovich if (attr->dest_chain) { 970c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 971c7569097SAriel Levkovich attr->dest_chain, 1, 972c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 973c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 974c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 975c7569097SAriel Levkovich } else { 9766783f0a2SVu Pham dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 977c7569097SAriel Levkovich } 9785c65c564SOr Gerlitz dest_ix++; 9795c65c564SOr Gerlitz } 980aad7e08dSAmir Vadai 981c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 982c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 983c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 984c7569097SAriel Levkovich 98508247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9865c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 98708247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9885c65c564SOr Gerlitz dest_ix++; 989aad7e08dSAmir Vadai } 990aad7e08dSAmir Vadai 99108247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9922b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9932f4fe4caSOr Gerlitz 9946a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9956a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 9966a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 9976a064674SAriel Levkovich tc->t = 998c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 99921b9c144SOr Gerlitz 10006a064674SAriel Levkovich if (IS_ERR(tc->t)) { 10016a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 1002e8f887acSAmir Vadai netdev_err(priv->netdev, 1003e8f887acSAmir Vadai "Failed to create tc offload table\n"); 1004c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 1005c7569097SAriel Levkovich goto err_ft_get; 1006e8f887acSAmir Vadai } 1007e8f887acSAmir Vadai } 100808247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1009e8f887acSAmir Vadai 1010aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1011c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1012c7569097SAriel Levkovich attr->chain, attr->prio, 1013c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1014aedd133dSAriel Levkovich else 1015aedd133dSAriel Levkovich ft = attr->ft; 1016aedd133dSAriel Levkovich 1017c7569097SAriel Levkovich if (IS_ERR(ft)) { 1018c7569097SAriel Levkovich rule = ERR_CAST(ft); 1019c7569097SAriel Levkovich goto err_ft_get; 1020c7569097SAriel Levkovich } 1021c7569097SAriel Levkovich 1022c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 102308247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 102438aa51c1SOr Gerlitz 1025c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10265c65c564SOr Gerlitz &flow_act, dest, dest_ix); 102708247066SAriel Levkovich if (IS_ERR(rule)) 1028c7569097SAriel Levkovich goto err_rule; 102908247066SAriel Levkovich 103008247066SAriel Levkovich return rule; 1031c7569097SAriel Levkovich 1032c7569097SAriel Levkovich err_rule: 1033aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1034c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1035c7569097SAriel Levkovich attr->chain, attr->prio, 1036c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1037c7569097SAriel Levkovich err_ft_get: 1038c7569097SAriel Levkovich if (attr->dest_chain) 1039c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1040c7569097SAriel Levkovich attr->dest_chain, 1, 1041c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1042c7569097SAriel Levkovich 1043c7569097SAriel Levkovich return ERR_CAST(rule); 104408247066SAriel Levkovich } 104508247066SAriel Levkovich 104608247066SAriel Levkovich static int 104708247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 104808247066SAriel Levkovich struct mlx5e_tc_flow *flow, 104908247066SAriel Levkovich struct netlink_ext_ack *extack) 105008247066SAriel Levkovich { 1051c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1052c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 105308247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 105497a8d29aSRoi Dayan struct mlx5_fc *counter; 105508247066SAriel Levkovich int err; 105608247066SAriel Levkovich 1057c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1058c6cfe113SRoi Dayan 105908247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 106008247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 106108247066SAriel Levkovich if (err) 106208247066SAriel Levkovich return err; 106308247066SAriel Levkovich } 106408247066SAriel Levkovich 106508247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 106608247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 106708247066SAriel Levkovich if (IS_ERR(counter)) 106808247066SAriel Levkovich return PTR_ERR(counter); 106908247066SAriel Levkovich 107008247066SAriel Levkovich attr->counter = counter; 107108247066SAriel Levkovich } 107208247066SAriel Levkovich 107308247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 107408247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 10752c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 107608247066SAriel Levkovich if (err) 107708247066SAriel Levkovich return err; 107808247066SAriel Levkovich } 107908247066SAriel Levkovich 1080aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1081aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1082aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1083aedd133dSAriel Levkovich else 108408247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 108508247066SAriel Levkovich attr); 1086e8f887acSAmir Vadai 1087a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1088e8f887acSAmir Vadai } 1089e8f887acSAmir Vadai 109008247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1091c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1092c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 109308247066SAriel Levkovich { 1094c7569097SAriel Levkovich struct mlx5_fs_chains *nic_chains = nic_chains(priv); 1095c7569097SAriel Levkovich 109608247066SAriel Levkovich mlx5_del_flow_rules(rule); 1097c7569097SAriel Levkovich 1098aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1099c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1100c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1101c7569097SAriel Levkovich 1102c7569097SAriel Levkovich if (attr->dest_chain) 1103c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1104c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 110508247066SAriel Levkovich } 110608247066SAriel Levkovich 1107d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1108d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1109d85cdccbSOr Gerlitz { 1110c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 11116a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1112d85cdccbSOr Gerlitz 1113c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1114c7569097SAriel Levkovich 1115aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1116aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1117aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1118aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1119aedd133dSAriel Levkovich 1120c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1121c7569097SAriel Levkovich * extra steering hops. 1122c7569097SAriel Levkovich */ 1123b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11246a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11256a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 11266a064674SAriel Levkovich mlx5_chains_put_table(nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1127d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1128d85cdccbSOr Gerlitz } 1129b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11302f4fe4caSOr Gerlitz 1131513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11323099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11335c65c564SOr Gerlitz 1134972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1135aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1136aedd133dSAriel Levkovich 1137226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11385c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1139c620b772SAriel Levkovich 1140*88d97486SRoi Dayan kvfree(attr->parse_attr); 1141c620b772SAriel Levkovich kfree(flow->attr); 1142d85cdccbSOr Gerlitz } 1143d85cdccbSOr Gerlitz 11440d9f9647SVlad Buslov struct mlx5_flow_handle * 11456d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11466d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11476d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1148c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11496d2a3ed0SOr Gerlitz { 11501ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11516d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11524c3844d9SPaul Blakey 115389e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 115489e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 115589e39467SPaul Blakey 11561ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11571ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11581ef3018fSPaul Blakey 115969e2916eSPaul Blakey rule = mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1160aedd133dSAriel Levkovich flow, spec, attr, 11611ef3018fSPaul Blakey mod_hdr_acts); 1162f94d6389SChris Mi } else if (flow_flag_test(flow, SAMPLE)) { 1163ee950e5dSChris Mi rule = mlx5e_tc_sample_offload(get_sample_priv(flow->priv), spec, attr, 1164ee950e5dSChris Mi mlx5e_tc_get_flow_tun_id(flow)); 116569e2916eSPaul Blakey } else { 116669e2916eSPaul Blakey rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11671ef3018fSPaul Blakey } 11686d2a3ed0SOr Gerlitz 11696d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11706d2a3ed0SOr Gerlitz return rule; 11716d2a3ed0SOr Gerlitz 1172c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11736d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11746d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 117569e2916eSPaul Blakey if (flow_flag_test(flow, CT)) 117669e2916eSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 117769e2916eSPaul Blakey else 11786d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11796d2a3ed0SOr Gerlitz return flow->rule[1]; 11806d2a3ed0SOr Gerlitz } 11816d2a3ed0SOr Gerlitz } 11826d2a3ed0SOr Gerlitz 11836d2a3ed0SOr Gerlitz return rule; 11846d2a3ed0SOr Gerlitz } 11856d2a3ed0SOr Gerlitz 11860d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11876d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1188c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11896d2a3ed0SOr Gerlitz { 1190226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11916d2a3ed0SOr Gerlitz 119289e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 119389e39467SPaul Blakey goto offload_rule_0; 119489e39467SPaul Blakey 11954c3844d9SPaul Blakey if (flow_flag_test(flow, CT)) { 1196aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 11974c3844d9SPaul Blakey return; 11984c3844d9SPaul Blakey } 11994c3844d9SPaul Blakey 1200f94d6389SChris Mi if (flow_flag_test(flow, SAMPLE)) { 12010027d70cSChris Mi mlx5e_tc_sample_unoffload(get_sample_priv(flow->priv), flow->rule[0], attr); 1202f94d6389SChris Mi return; 1203f94d6389SChris Mi } 1204f94d6389SChris Mi 1205c620b772SAriel Levkovich if (attr->esw_attr->split_count) 12066d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 12076d2a3ed0SOr Gerlitz 120889e39467SPaul Blakey offload_rule_0: 12096d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 12106d2a3ed0SOr Gerlitz } 12116d2a3ed0SOr Gerlitz 12120d9f9647SVlad Buslov struct mlx5_flow_handle * 12135dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12145dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1215178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12165dbe906fSPaul Blakey { 1217c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12185dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12195dbe906fSPaul Blakey 1220c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1221c620b772SAriel Levkovich if (!slow_attr) 1222c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12235dbe906fSPaul Blakey 1224c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1225c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1226c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1227c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1228c620b772SAriel Levkovich 1229c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12305dbe906fSPaul Blakey if (!IS_ERR(rule)) 1231226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12325dbe906fSPaul Blakey 1233c620b772SAriel Levkovich kfree(slow_attr); 1234c620b772SAriel Levkovich 12355dbe906fSPaul Blakey return rule; 12365dbe906fSPaul Blakey } 12375dbe906fSPaul Blakey 12380d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1239178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12405dbe906fSPaul Blakey { 1241c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1242178f69b4SEli Cohen 1243c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12445efbe617SAriel Levkovich if (!slow_attr) { 12455efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12465efbe617SAriel Levkovich return; 12475efbe617SAriel Levkovich } 1248c620b772SAriel Levkovich 1249c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1250c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1251c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1252c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1253c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1254226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1255c620b772SAriel Levkovich kfree(slow_attr); 12565dbe906fSPaul Blakey } 12575dbe906fSPaul Blakey 1258ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1259ad86755bSVlad Buslov * function. 1260ad86755bSVlad Buslov */ 1261ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1262ad86755bSVlad Buslov struct list_head *unready_flows) 1263ad86755bSVlad Buslov { 1264ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1265ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1266ad86755bSVlad Buslov } 1267ad86755bSVlad Buslov 1268ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1269ad86755bSVlad Buslov * function. 1270ad86755bSVlad Buslov */ 1271ad86755bSVlad Buslov static void unready_flow_del(struct mlx5e_tc_flow *flow) 1272ad86755bSVlad Buslov { 1273ad86755bSVlad Buslov list_del(&flow->unready); 1274ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1275ad86755bSVlad Buslov } 1276ad86755bSVlad Buslov 1277b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1278b4a23329SRoi Dayan { 1279b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1280b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1281b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1282b4a23329SRoi Dayan 1283b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1284b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1285b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1286b4a23329SRoi Dayan 1287ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1288ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1289ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1290b4a23329SRoi Dayan } 1291b4a23329SRoi Dayan 1292b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1293b4a23329SRoi Dayan { 1294ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1295ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1296ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1297ad86755bSVlad Buslov 1298ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1299ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1300ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1301ad86755bSVlad Buslov 1302ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1303ad86755bSVlad Buslov unready_flow_del(flow); 1304ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1305b4a23329SRoi Dayan } 1306b4a23329SRoi Dayan 130710742efcSVlad Buslov static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv); 130810742efcSVlad Buslov 1309a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 131010742efcSVlad Buslov { 131110742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 131210742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 131310742efcSVlad Buslov 131410742efcSVlad Buslov out_priv = netdev_priv(out_dev); 131510742efcSVlad Buslov out_mdev = out_priv->mdev; 131610742efcSVlad Buslov route_priv = netdev_priv(route_dev); 131710742efcSVlad Buslov route_mdev = route_priv->mdev; 131810742efcSVlad Buslov 131910742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 132010742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 132110742efcSVlad Buslov return false; 132210742efcSVlad Buslov 132310742efcSVlad Buslov return same_hw_devs(out_priv, route_priv); 132410742efcSVlad Buslov } 132510742efcSVlad Buslov 1326a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 132710742efcSVlad Buslov { 132810742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1329f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 133010742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 133110742efcSVlad Buslov struct mlx5_eswitch *esw; 133210742efcSVlad Buslov u16 vhca_id; 133310742efcSVlad Buslov int err; 133410742efcSVlad Buslov 133510742efcSVlad Buslov out_priv = netdev_priv(out_dev); 133610742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 133710742efcSVlad Buslov route_priv = netdev_priv(route_dev); 133810742efcSVlad Buslov route_mdev = route_priv->mdev; 133910742efcSVlad Buslov 134010742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1341f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1342f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1343f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1344f9d196bdSDmytro Linkin * eswitch. 1345f9d196bdSDmytro Linkin */ 134610742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1347f9d196bdSDmytro Linkin if (err != -ENOENT) 1348f9d196bdSDmytro Linkin return err; 1349f9d196bdSDmytro Linkin 1350f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1351f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1352f9d196bdSDmytro Linkin if (!esw) 1353f9d196bdSDmytro Linkin return -ENODEV; 1354f9d196bdSDmytro Linkin } 1355f9d196bdSDmytro Linkin 1356f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1357f9d196bdSDmytro Linkin if (devcom) 1358f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 135910742efcSVlad Buslov return err; 136010742efcSVlad Buslov } 136110742efcSVlad Buslov 1362c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1363c7b9038dSVlad Buslov struct mlx5e_tc_flow_parse_attr *parse_attr, 1364c7b9038dSVlad Buslov struct mlx5e_tc_flow *flow) 1365c7b9038dSVlad Buslov { 1366c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &parse_attr->mod_hdr_acts; 1367c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1368c7b9038dSVlad Buslov 1369c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1370c7b9038dSVlad Buslov get_flow_name_space(flow), 1371c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1372c7b9038dSVlad Buslov mod_hdr_acts->actions); 1373c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1374c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1375c7b9038dSVlad Buslov 1376c7b9038dSVlad Buslov WARN_ON(flow->attr->modify_hdr); 1377c7b9038dSVlad Buslov flow->attr->modify_hdr = mod_hdr; 1378c7b9038dSVlad Buslov 1379c7b9038dSVlad Buslov return 0; 1380c7b9038dSVlad Buslov } 1381c7b9038dSVlad Buslov 1382c83954abSRabie Loulou static int 138374491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1384e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1385e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1386adb4c123SOr Gerlitz { 1387adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1388c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1389c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 13908914add2SVlad Buslov bool vf_tun = false, encap_valid = true; 1391fe7738ebSDima Chumak struct net_device *encap_dev = NULL; 1392c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 13933c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13943c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 139597a8d29aSRoi Dayan struct mlx5_fc *counter; 139639ac237cSPaul Blakey u32 max_prio, max_chain; 13970ad060eeSRoi Dayan int err = 0; 1398f493f155SEli Britstein int out_index; 13998b32580dSOr Gerlitz 1400b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1401b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1402b16eb3c8SAriel Levkovich 140384179981SPaul Blakey /* We check chain range only for tc flows. 140484179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 140584179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 140684179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 140784179981SPaul Blakey */ 1408ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 140984179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 141061644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 141161644c3dSRoi Dayan "Requested chain is out of supported range"); 14128914add2SVlad Buslov err = -EOPNOTSUPP; 14138914add2SVlad Buslov goto err_out; 1414bf07aa73SPaul Blakey } 1415bf07aa73SPaul Blakey 1416ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1417bf07aa73SPaul Blakey if (attr->prio > max_prio) { 141861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 141961644c3dSRoi Dayan "Requested priority is out of supported range"); 14208914add2SVlad Buslov err = -EOPNOTSUPP; 14218914add2SVlad Buslov goto err_out; 1422bf07aa73SPaul Blakey } 1423bf07aa73SPaul Blakey 1424777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1425777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1426777bb800SVlad Buslov if (err) 14278914add2SVlad Buslov goto err_out; 1428b16eb3c8SAriel Levkovich 1429b16eb3c8SAriel Levkovich if (!attr->chain && esw_attr->int_port) { 1430b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1431b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1432b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1433b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1434b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1435b16eb3c8SAriel Levkovich * from the proper chain. 1436b16eb3c8SAriel Levkovich */ 1437b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1438b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1439b16eb3c8SAriel Levkovich 1440b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1441b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1442b16eb3c8SAriel Levkovich metadata); 1443b16eb3c8SAriel Levkovich if (err) 1444b16eb3c8SAriel Levkovich return err; 1445b16eb3c8SAriel Levkovich } 1446777bb800SVlad Buslov } 1447777bb800SVlad Buslov 144814e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 144914e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 145014e6b038SEli Cohen if (err) 14518914add2SVlad Buslov goto err_out; 145214e6b038SEli Cohen } 145314e6b038SEli Cohen 1454166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1455166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1456166f431eSAriel Levkovich 1457166f431eSAriel Levkovich if (attr->chain) { 1458166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1459166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 1460166f431eSAriel Levkovich return -EOPNOTSUPP; 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"); 1466166f431eSAriel Levkovich return -EOPNOTSUPP; 1467166f431eSAriel Levkovich } 1468166f431eSAriel Levkovich 1469166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1470166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1471166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1472166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1473166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 1474166f431eSAriel Levkovich if (IS_ERR(int_port)) 1475166f431eSAriel Levkovich return PTR_ERR(int_port); 1476166f431eSAriel Levkovich 1477166f431eSAriel Levkovich esw_attr->int_port = int_port; 1478166f431eSAriel Levkovich } 1479166f431eSAriel Levkovich 1480f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 1481fe7738ebSDima Chumak struct net_device *out_dev; 14828c4dc42bSEli Britstein int mirred_ifindex; 14838c4dc42bSEli Britstein 1484c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1485f493f155SEli Britstein continue; 1486f493f155SEli Britstein 14877040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 1488fe7738ebSDima Chumak out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 1489fe7738ebSDima Chumak if (!out_dev) { 1490fe7738ebSDima Chumak NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 1491fe7738ebSDima Chumak err = -ENODEV; 1492fe7738ebSDima Chumak goto err_out; 1493fe7738ebSDima Chumak } 1494733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 14950ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 1496fe7738ebSDima Chumak dev_put(out_dev); 14970ad060eeSRoi Dayan if (err) 14988914add2SVlad Buslov goto err_out; 14990ad060eeSRoi Dayan 15008914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 1501100ad4e2SAriel Levkovich MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 1502100ad4e2SAriel Levkovich !esw_attr->dest_int_port) 15038914add2SVlad Buslov vf_tun = true; 15043c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 15053c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1506c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1507c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 15083c37745eSOr Gerlitz } 15093c37745eSOr Gerlitz 15107d1a3d08SVlad Buslov if (vf_tun && esw_attr->out_count > 1) { 15117d1a3d08SVlad Buslov NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 15127d1a3d08SVlad Buslov err = -EOPNOTSUPP; 15137d1a3d08SVlad Buslov goto err_out; 15147d1a3d08SVlad Buslov } 15157d1a3d08SVlad Buslov 15168b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1517c83954abSRabie Loulou if (err) 15188914add2SVlad Buslov goto err_out; 1519adb4c123SOr Gerlitz 1520d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1521d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 15228914add2SVlad Buslov if (vf_tun) { 15238914add2SVlad Buslov err = mlx5e_tc_add_flow_mod_hdr(priv, parse_attr, flow); 15248914add2SVlad Buslov if (err) 15258914add2SVlad Buslov goto err_out; 15268914add2SVlad Buslov } else { 15271a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1528c83954abSRabie Loulou if (err) 15298914add2SVlad Buslov goto err_out; 15308914add2SVlad Buslov } 1531d7e75a32SOr Gerlitz } 1532d7e75a32SOr Gerlitz 1533b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1534c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 15358914add2SVlad Buslov if (IS_ERR(counter)) { 15368914add2SVlad Buslov err = PTR_ERR(counter); 15378914add2SVlad Buslov goto err_out; 15388914add2SVlad Buslov } 1539b8aee822SMark Bloch 1540b8aee822SMark Bloch attr->counter = counter; 1541b8aee822SMark Bloch } 1542b8aee822SMark Bloch 15430ad060eeSRoi Dayan /* we get here if one of the following takes place: 15440ad060eeSRoi Dayan * (1) there's no error 15450ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 15463c37745eSOr Gerlitz */ 1547bc1d75faSRoi Dayan if (!encap_valid) 1548178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1549bc1d75faSRoi Dayan else 15506d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 15515dbe906fSPaul Blakey 15528914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 15538914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 15548914add2SVlad Buslov goto err_out; 15558914add2SVlad Buslov } 1556226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1557c83954abSRabie Loulou 15585dbe906fSPaul Blakey return 0; 15598914add2SVlad Buslov 15608914add2SVlad Buslov err_out: 15618914add2SVlad Buslov flow_flag_set(flow, FAILED); 15628914add2SVlad Buslov return err; 1563aa0cbbaeSOr Gerlitz } 1564d85cdccbSOr Gerlitz 15659272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 15669272e3dfSYevgeny Kliteynik { 1567c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 15689272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 15699272e3dfSYevgeny Kliteynik spec->match_value, 15709272e3dfSYevgeny Kliteynik misc_parameters_3); 15719272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 15729272e3dfSYevgeny Kliteynik headers_v, 15739272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 15749272e3dfSYevgeny Kliteynik 15759272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 15769272e3dfSYevgeny Kliteynik } 15779272e3dfSYevgeny Kliteynik 1578d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1579d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1580d85cdccbSOr Gerlitz { 1581d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1582c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1583777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 15848914add2SVlad Buslov bool vf_tun = false; 1585f493f155SEli Britstein int out_index; 1586d85cdccbSOr Gerlitz 1587777bb800SVlad Buslov esw_attr = attr->esw_attr; 15880a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 15890a7fcb78SPaul Blakey 159012a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1591b4a23329SRoi Dayan remove_unready_flow(flow); 1592ef06c9eeSRoi Dayan 1593226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1594226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1595178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 15965dbe906fSPaul Blakey else 15975dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 15985dbe906fSPaul Blakey } 1599d85cdccbSOr Gerlitz 16009272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 16019272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 16029272e3dfSYevgeny Kliteynik 1603513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1604d85cdccbSOr Gerlitz 1605777bb800SVlad Buslov if (flow->decap_route) 1606777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1607777bb800SVlad Buslov 1608777bb800SVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 16098914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 1610100ad4e2SAriel Levkovich MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 1611100ad4e2SAriel Levkovich !esw_attr->dest_int_port) 16128914add2SVlad Buslov vf_tun = true; 1613777bb800SVlad Buslov if (esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 16148c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 16152a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 16162a4b6526SVlad Buslov } 1617777bb800SVlad Buslov } 1618d7e75a32SOr Gerlitz 1619aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 16204c8594adSRoi Dayan 1621c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 16222c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 16238914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 16248914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 16258914add2SVlad Buslov else 16261a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1627c7b9038dSVlad Buslov } 1628b8aee822SMark Bloch 1629b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1630777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 163114e6b038SEli Cohen 1632166f431eSAriel Levkovich if (esw_attr->int_port) 1633166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 1634166f431eSAriel Levkovich 163527484f71SAriel Levkovich if (esw_attr->dest_int_port) 163627484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 163727484f71SAriel Levkovich 163814e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 163914e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1640c620b772SAriel Levkovich 1641*88d97486SRoi Dayan kfree(attr->sample_attr); 1642*88d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 1643*88d97486SRoi Dayan kvfree(attr->parse_attr); 1644c620b772SAriel Levkovich kfree(flow->attr); 1645d85cdccbSOr Gerlitz } 1646d85cdccbSOr Gerlitz 16470d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1648b8aee822SMark Bloch { 1649c620b772SAriel Levkovich return flow->attr->counter; 1650b8aee822SMark Bloch } 1651b8aee822SMark Bloch 16526a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1653021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 16546a06c2f7SVlad Buslov { 16556a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 16566a06c2f7SVlad Buslov 16576a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 16586a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 16596a06c2f7SVlad Buslov } 16606a06c2f7SVlad Buslov 166104de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 166204de7ddaSRoi Dayan { 166304de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 166404de7ddaSRoi Dayan 1665226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1666226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 166704de7ddaSRoi Dayan return; 166804de7ddaSRoi Dayan 166904de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 167004de7ddaSRoi Dayan list_del(&flow->peer); 167104de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 167204de7ddaSRoi Dayan 1673226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 167404de7ddaSRoi Dayan 1675eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 167604de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1677a23dae79SRoi Dayan kfree(flow->peer_flow); 1678eb252c3aSRoi Dayan } 1679eb252c3aSRoi Dayan 168004de7ddaSRoi Dayan flow->peer_flow = NULL; 168104de7ddaSRoi Dayan } 168204de7ddaSRoi Dayan 168304de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 168404de7ddaSRoi Dayan { 168504de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 168604de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 168704de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 168804de7ddaSRoi Dayan 168904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 169004de7ddaSRoi Dayan if (!peer_esw) 169104de7ddaSRoi Dayan return; 169204de7ddaSRoi Dayan 169304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 169404de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 169504de7ddaSRoi Dayan } 169604de7ddaSRoi Dayan 1697e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1698961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1699e8f887acSAmir Vadai { 1700226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 170104de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1702d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 170304de7ddaSRoi Dayan } else { 1704d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1705e8f887acSAmir Vadai } 170604de7ddaSRoi Dayan } 1707e8f887acSAmir Vadai 1708ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 1709bbd00f7eSHadar Hen Zion { 1710f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17110a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 17120a7fcb78SPaul Blakey const struct flow_action_entry *act; 17130a7fcb78SPaul Blakey int i; 1714bbd00f7eSHadar Hen Zion 1715ee950e5dSChris Mi if (chain) 1716ee950e5dSChris Mi return false; 1717ee950e5dSChris Mi 17180a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 17190a7fcb78SPaul Blakey switch (act->id) { 17200a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 17210a7fcb78SPaul Blakey return true; 1722ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 1723ee950e5dSChris Mi return true; 17240a7fcb78SPaul Blakey default: 17250a7fcb78SPaul Blakey continue; 1726fe1587a7SDmytro Linkin } 17272e72eb43SOr Gerlitz } 1728bbd00f7eSHadar Hen Zion 17290a7fcb78SPaul Blakey return false; 17300a7fcb78SPaul Blakey } 1731bcef735cSOr Gerlitz 17320a7fcb78SPaul Blakey static int 17330a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 17340a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 17350a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 17360a7fcb78SPaul Blakey bool *dont_care) 17370a7fcb78SPaul Blakey { 17380a7fcb78SPaul Blakey struct geneve_opt *opt; 17390a7fcb78SPaul Blakey int off = 0; 1740bcef735cSOr Gerlitz 17410a7fcb78SPaul Blakey *dont_care = true; 1742bcef735cSOr Gerlitz 17430a7fcb78SPaul Blakey while (opts->len > off) { 17440a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1745e98bedf5SEli Britstein 17460a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 17470a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 17480a7fcb78SPaul Blakey *dont_care = false; 17490a7fcb78SPaul Blakey 1750c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1751d7a42ad0SRoi Dayan opt->type != U8_MAX) { 1752c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 17530a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 17540a7fcb78SPaul Blakey netdev_warn(priv->netdev, 17550a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1756e98bedf5SEli Britstein return -EOPNOTSUPP; 1757e98bedf5SEli Britstein } 1758bcef735cSOr Gerlitz } 1759bcef735cSOr Gerlitz 17600a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1761bbd00f7eSHadar Hen Zion } 1762bbd00f7eSHadar Hen Zion 1763bbd00f7eSHadar Hen Zion return 0; 1764bbd00f7eSHadar Hen Zion } 1765bbd00f7eSHadar Hen Zion 17660a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 17670a7fcb78SPaul Blakey ({ \ 17680a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 17690a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 17700a7fcb78SPaul Blakey \ 17710a7fcb78SPaul Blakey memcpy(__dst,\ 17720a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 17730a7fcb78SPaul Blakey diss_key,\ 17740a7fcb78SPaul Blakey __rule->match.key),\ 17750a7fcb78SPaul Blakey sizeof(*__dst));\ 17760a7fcb78SPaul Blakey }) 17770a7fcb78SPaul Blakey 17780a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 17790a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 17800a7fcb78SPaul Blakey struct flow_cls_offload *f, 17810a7fcb78SPaul Blakey struct net_device *filter_dev) 17828377629eSEli Britstein { 17830a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17840a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 17850a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 17860a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1787d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 17880a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1789c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 17900a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 17910a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 17920a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 17930a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 17940a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 17950a7fcb78SPaul Blakey u32 value, mask; 17960a7fcb78SPaul Blakey int err; 17970a7fcb78SPaul Blakey 17980a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 17990a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18000a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18010a7fcb78SPaul Blakey 18020a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 18030a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 18040a7fcb78SPaul Blakey &tunnel_key.enc_control); 18050a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 18060a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 18070a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 18080a7fcb78SPaul Blakey else 18090a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 18100a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 18110a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 18120a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 18130a7fcb78SPaul Blakey &tunnel_key.enc_tp); 18140a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 18150a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 18160a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 18170a7fcb78SPaul Blakey 18180a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 18190a7fcb78SPaul Blakey if (err) 18200a7fcb78SPaul Blakey return err; 18210a7fcb78SPaul Blakey 18220a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 18230a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 18240a7fcb78SPaul Blakey enc_opts_match.mask, 18250a7fcb78SPaul Blakey extack, 18260a7fcb78SPaul Blakey &enc_opts_is_dont_care); 18270a7fcb78SPaul Blakey if (err) 18280a7fcb78SPaul Blakey goto err_enc_opts; 18290a7fcb78SPaul Blakey 18300a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1831d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1832d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1833d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1834d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1835d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1836d7a42ad0SRoi Dayan 18370a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1838d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 18390a7fcb78SPaul Blakey if (err) 18400a7fcb78SPaul Blakey goto err_enc_opts; 18410a7fcb78SPaul Blakey } 18420a7fcb78SPaul Blakey 18430a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 18440a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 18450a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 18460a7fcb78SPaul Blakey 18470a7fcb78SPaul Blakey if (attr->chain) { 18480a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 18490a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 18500a7fcb78SPaul Blakey } else { 18510a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 18520a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1853aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 18540a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 18550a7fcb78SPaul Blakey if (err) 18560a7fcb78SPaul Blakey goto err_set; 18570a7fcb78SPaul Blakey 18580a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 18590a7fcb78SPaul Blakey } 18600a7fcb78SPaul Blakey 18610a7fcb78SPaul Blakey flow->tunnel_id = value; 18620a7fcb78SPaul Blakey return 0; 18630a7fcb78SPaul Blakey 18640a7fcb78SPaul Blakey err_set: 18650a7fcb78SPaul Blakey if (enc_opts_id) 18660a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18670a7fcb78SPaul Blakey enc_opts_id); 18680a7fcb78SPaul Blakey err_enc_opts: 18690a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18700a7fcb78SPaul Blakey return err; 18710a7fcb78SPaul Blakey } 18720a7fcb78SPaul Blakey 18730a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 18740a7fcb78SPaul Blakey { 18750a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 18760a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 18770a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18780a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18790a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18800a7fcb78SPaul Blakey 18810a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 18820a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18830a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18840a7fcb78SPaul Blakey 18850a7fcb78SPaul Blakey if (tun_id) 18860a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18870a7fcb78SPaul Blakey if (enc_opts_id) 18880a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18890a7fcb78SPaul Blakey enc_opts_id); 18900a7fcb78SPaul Blakey } 18910a7fcb78SPaul Blakey 18924c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 18934c3844d9SPaul Blakey { 18944c3844d9SPaul Blakey return flow->tunnel_id; 18954c3844d9SPaul Blakey } 18964c3844d9SPaul Blakey 1897fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1898fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1899fca53304SEli Britstein void *headers_c, void *headers_v) 19004a5d5d73SEli Britstein { 1901fca53304SEli Britstein bool ip_version_cap; 1902fca53304SEli Britstein 1903fca53304SEli Britstein ip_version_cap = outer ? 1904fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1905fca53304SEli Britstein ft_field_support.outer_ip_version) : 1906fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1907fca53304SEli Britstein ft_field_support.inner_ip_version); 1908fca53304SEli Britstein 1909fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1910fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1911fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1912fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1913fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1914fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1915fca53304SEli Britstein } else { 19164a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 19174a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 19184a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 19194a5d5d73SEli Britstein ntohs(match->key->n_proto)); 19204a5d5d73SEli Britstein } 1921fca53304SEli Britstein } 19224a5d5d73SEli Britstein 19230d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 1924a508728aSVlad Buslov { 1925a508728aSVlad Buslov void *headers_v; 1926a508728aSVlad Buslov u16 ethertype; 1927a508728aSVlad Buslov u8 ip_version; 1928a508728aSVlad Buslov 1929a508728aSVlad Buslov if (outer) 1930a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1931a508728aSVlad Buslov else 1932a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 1933a508728aSVlad Buslov 1934a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 1935a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 1936a508728aSVlad Buslov if (!ip_version) { 1937a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1938a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 1939a508728aSVlad Buslov ip_version = 4; 1940a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 1941a508728aSVlad Buslov ip_version = 6; 1942a508728aSVlad Buslov } 1943a508728aSVlad Buslov return ip_version; 1944a508728aSVlad Buslov } 1945a508728aSVlad Buslov 19460a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 19470a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 19480a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 19490a7fcb78SPaul Blakey struct flow_cls_offload *f, 19500a7fcb78SPaul Blakey struct net_device *filter_dev, 19510a7fcb78SPaul Blakey u8 *match_level, 19520a7fcb78SPaul Blakey bool *match_inner) 19530a7fcb78SPaul Blakey { 1954a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 19550a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 19560a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 19570a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 19580a7fcb78SPaul Blakey int err; 19590a7fcb78SPaul Blakey 19600885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 19610885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 19620a7fcb78SPaul Blakey return -EOPNOTSUPP; 19630885ae1aSAbhiram R N } 19640a7fcb78SPaul Blakey 1965c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 1966ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 19670a7fcb78SPaul Blakey *match_inner = !needs_mapping; 19680a7fcb78SPaul Blakey 19690a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 1970636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 1971c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 1972636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19730a7fcb78SPaul Blakey netdev_warn(priv->netdev, 1974636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 19750a7fcb78SPaul Blakey return -EOPNOTSUPP; 19760a7fcb78SPaul Blakey } 19770a7fcb78SPaul Blakey 1978c620b772SAriel Levkovich if (!flow->attr->chain) { 19790a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 19800a7fcb78SPaul Blakey match_level); 19810a7fcb78SPaul Blakey if (err) { 19820a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 19830a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19840a7fcb78SPaul Blakey netdev_warn(priv->netdev, 19850a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 19860a7fcb78SPaul Blakey return err; 19870a7fcb78SPaul Blakey } 19880a7fcb78SPaul Blakey 198914e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 199014e6b038SEli Cohen * object 199114e6b038SEli Cohen */ 199214e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 1993c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 1994a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 1995a508728aSVlad Buslov if (err) 1996a508728aSVlad Buslov return err; 1997a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 1998a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 1999a508728aSVlad Buslov 2000a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2001a508728aSVlad Buslov if (!tmp_spec) { 2002a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2003a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2004a508728aSVlad Buslov return -ENOMEM; 2005a508728aSVlad Buslov } 2006a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2007a508728aSVlad Buslov 2008a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2009a508728aSVlad Buslov if (err) { 2010a508728aSVlad Buslov kvfree(tmp_spec); 2011a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2012a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2013a508728aSVlad Buslov return err; 2014a508728aSVlad Buslov } 2015a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2016a508728aSVlad Buslov kvfree(tmp_spec); 2017a508728aSVlad Buslov if (err) 2018a508728aSVlad Buslov return err; 20190a7fcb78SPaul Blakey } 20200a7fcb78SPaul Blakey 20210a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 20220a7fcb78SPaul Blakey return 0; 20230a7fcb78SPaul Blakey 20240a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 20250a7fcb78SPaul Blakey } 20260a7fcb78SPaul Blakey 20270a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 20280a7fcb78SPaul Blakey { 20290a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20300a7fcb78SPaul Blakey inner_headers); 20310a7fcb78SPaul Blakey } 20320a7fcb78SPaul Blakey 20330a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 20340a7fcb78SPaul Blakey { 20350a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20360a7fcb78SPaul Blakey inner_headers); 20370a7fcb78SPaul Blakey } 20380a7fcb78SPaul Blakey 20390a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 20400a7fcb78SPaul Blakey { 20410a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 20420a7fcb78SPaul Blakey outer_headers); 20430a7fcb78SPaul Blakey } 20440a7fcb78SPaul Blakey 20450a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 20460a7fcb78SPaul Blakey { 20470a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 20488377629eSEli Britstein outer_headers); 20498377629eSEli Britstein } 20508377629eSEli Britstein 20518377629eSEli Britstein static void *get_match_headers_value(u32 flags, 20528377629eSEli Britstein struct mlx5_flow_spec *spec) 20538377629eSEli Britstein { 20548377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20550a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 20560a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 20570a7fcb78SPaul Blakey } 20580a7fcb78SPaul Blakey 20590a7fcb78SPaul Blakey static void *get_match_headers_criteria(u32 flags, 20600a7fcb78SPaul Blakey struct mlx5_flow_spec *spec) 20610a7fcb78SPaul Blakey { 20620a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 20630a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 20640a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 20658377629eSEli Britstein } 20668377629eSEli Britstein 20676d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 20686d65bc64Swenxu struct flow_cls_offload *f) 20696d65bc64Swenxu { 20706d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 20716d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 20726d65bc64Swenxu struct net_device *ingress_dev; 20736d65bc64Swenxu struct flow_match_meta match; 20746d65bc64Swenxu 20756d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 20766d65bc64Swenxu return 0; 20776d65bc64Swenxu 20786d65bc64Swenxu flow_rule_match_meta(rule, &match); 2079e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2080e3e0f9b2Swenxu return 0; 2081e3e0f9b2Swenxu 20826d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 20836d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2084a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20856d65bc64Swenxu } 20866d65bc64Swenxu 20876d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 20886d65bc64Swenxu match.key->ingress_ifindex); 20896d65bc64Swenxu if (!ingress_dev) { 20906d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20916d65bc64Swenxu "Can't find the ingress port to match on"); 2092a683012aSPablo Neira Ayuso return -ENOENT; 20936d65bc64Swenxu } 20946d65bc64Swenxu 20956d65bc64Swenxu if (ingress_dev != filter_dev) { 20966d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 20976d65bc64Swenxu "Can't match on the ingress filter port"); 2098a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 20996d65bc64Swenxu } 21006d65bc64Swenxu 21016d65bc64Swenxu return 0; 21026d65bc64Swenxu } 21036d65bc64Swenxu 210472046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 210572046a91SEli Cohen struct flow_cls_offload *f) 210672046a91SEli Cohen { 210772046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 210872046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 210972046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 211072046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 211172046a91SEli Cohen */ 211272046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 211372046a91SEli Cohen return true; 211472046a91SEli Cohen 211572046a91SEli Cohen return false; 211672046a91SEli Cohen } 211772046a91SEli Cohen 2118de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 21190a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2120de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2121f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 212254c177caSOz Shlomo struct net_device *filter_dev, 212393b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2124e3a2b7edSAmir Vadai { 2125e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2126c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2127c5bb1730SMaor Gottlieb outer_headers); 2128c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2129c5bb1730SMaor Gottlieb outer_headers); 2130699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2131699e96ddSJianbo Liu misc_parameters); 2132699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2133699e96ddSJianbo Liu misc_parameters); 2134a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2135a3222a2dSMaor Dickman misc_parameters_3); 2136a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2137a3222a2dSMaor Dickman misc_parameters_3); 2138f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21398f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2140afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2141e3a2b7edSAmir Vadai u16 addr_type = 0; 2142e3a2b7edSAmir Vadai u8 ip_proto = 0; 214393b3586eSHuy Nguyen u8 *match_level; 21446d65bc64Swenxu int err; 2145e3a2b7edSAmir Vadai 2146afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 214793b3586eSHuy Nguyen match_level = outer_match_level; 2148de0af0bfSRoi Dayan 21498f256622SPablo Neira Ayuso if (dissector->used_keys & 21503d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 21513d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2152e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2153e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2154095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2155699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2156e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2157e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2158bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2159bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2160bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2161bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2162bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2163e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2164fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2165bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 21664c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 21679272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 216872046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2169a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 217072046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2171e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 217248470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 21738f256622SPablo Neira Ayuso dissector->used_keys); 2174e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2175e3a2b7edSAmir Vadai } 2176e3a2b7edSAmir Vadai 2177075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 21780a7fcb78SPaul Blakey bool match_inner = false; 2179bbd00f7eSHadar Hen Zion 21800a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 21810a7fcb78SPaul Blakey outer_match_level, &match_inner); 21820a7fcb78SPaul Blakey if (err) 21830a7fcb78SPaul Blakey return err; 21840a7fcb78SPaul Blakey 21850a7fcb78SPaul Blakey if (match_inner) { 21860a7fcb78SPaul Blakey /* header pointers should point to the inner headers 21870a7fcb78SPaul Blakey * if the packet was decapsulated already. 21880a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2189bbd00f7eSHadar Hen Zion */ 219093b3586eSHuy Nguyen match_level = inner_match_level; 21910a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 21920a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 21930a7fcb78SPaul Blakey } 2194bbd00f7eSHadar Hen Zion } 2195bbd00f7eSHadar Hen Zion 21966d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 21976d65bc64Swenxu if (err) 21986d65bc64Swenxu return err; 21996d65bc64Swenxu 220072046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 220172046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 22028f256622SPablo Neira Ayuso struct flow_match_basic match; 2203e3a2b7edSAmir Vadai 22048f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2205fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2206fca53304SEli Britstein match_level == outer_match_level, 2207fca53304SEli Britstein headers_c, headers_v); 22088f256622SPablo Neira Ayuso 22098f256622SPablo Neira Ayuso if (match.mask->n_proto) 2210d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2211e3a2b7edSAmir Vadai } 221235a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 221335a605dbSEli Britstein is_vlan_dev(filter_dev)) { 221435a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 221535a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 22168f256622SPablo Neira Ayuso struct flow_match_vlan match; 22178f256622SPablo Neira Ayuso 221835a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 221935a605dbSEli Britstein match.key = &filter_dev_key; 222035a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 222135a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 222235a605dbSEli Britstein match.key->vlan_priority = 0; 222335a605dbSEli Britstein match.mask = &filter_dev_mask; 222435a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 222535a605dbSEli Britstein match.mask->vlan_priority = 0; 222635a605dbSEli Britstein } else { 22278f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 222835a605dbSEli Britstein } 22298f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22308f256622SPablo Neira Ayuso match.mask->vlan_priority || 22318f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 22328f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2233699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2234699e96ddSJianbo Liu svlan_tag, 1); 2235699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2236699e96ddSJianbo Liu svlan_tag, 1); 2237699e96ddSJianbo Liu } else { 2238699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2239699e96ddSJianbo Liu cvlan_tag, 1); 2240699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2241699e96ddSJianbo Liu cvlan_tag, 1); 2242699e96ddSJianbo Liu } 2243095b6cfdSOr Gerlitz 22448f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 22458f256622SPablo Neira Ayuso match.mask->vlan_id); 22468f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 22478f256622SPablo Neira Ayuso match.key->vlan_id); 2248358d79a4SOr Gerlitz 22498f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 22508f256622SPablo Neira Ayuso match.mask->vlan_priority); 22518f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 22528f256622SPablo Neira Ayuso match.key->vlan_priority); 225354782900SOr Gerlitz 2254d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2255095b6cfdSOr Gerlitz } 2256d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2257fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2258fc603294SMark Bloch * disabled in match value means both S & C tags 2259fc603294SMark Bloch * don't exist (untagged of both) 2260fc603294SMark Bloch */ 2261cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2262d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2263095b6cfdSOr Gerlitz } 2264095b6cfdSOr Gerlitz 22658f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 22668f256622SPablo Neira Ayuso struct flow_match_vlan match; 22678f256622SPablo Neira Ayuso 226812d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 22698f256622SPablo Neira Ayuso if (match.mask->vlan_id || 22708f256622SPablo Neira Ayuso match.mask->vlan_priority || 22718f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2272afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2273afe93f71SRoi Dayan fs_type)) { 2274afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2275afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2276afe93f71SRoi Dayan return -EOPNOTSUPP; 2277afe93f71SRoi Dayan } 2278afe93f71SRoi Dayan 22798f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2280699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2281699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2282699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2283699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2284699e96ddSJianbo Liu } else { 2285699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2286699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2287699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2288699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2289699e96ddSJianbo Liu } 2290699e96ddSJianbo Liu 2291699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 22928f256622SPablo Neira Ayuso match.mask->vlan_id); 2293699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 22948f256622SPablo Neira Ayuso match.key->vlan_id); 2295699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 22968f256622SPablo Neira Ayuso match.mask->vlan_priority); 2297699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 22988f256622SPablo Neira Ayuso match.key->vlan_priority); 2299699e96ddSJianbo Liu 2300699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 23010faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2302699e96ddSJianbo Liu } 2303699e96ddSJianbo Liu } 2304699e96ddSJianbo Liu 23058f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 23068f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 230754782900SOr Gerlitz 23088f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2309d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2310d3a80bb5SOr Gerlitz dmac_47_16), 23118f256622SPablo Neira Ayuso match.mask->dst); 2312d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2313d3a80bb5SOr Gerlitz dmac_47_16), 23148f256622SPablo Neira Ayuso match.key->dst); 2315d3a80bb5SOr Gerlitz 2316d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2317d3a80bb5SOr Gerlitz smac_47_16), 23188f256622SPablo Neira Ayuso match.mask->src); 2319d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2320d3a80bb5SOr Gerlitz smac_47_16), 23218f256622SPablo Neira Ayuso match.key->src); 2322d3a80bb5SOr Gerlitz 23238f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 23248f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2325d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 232654782900SOr Gerlitz } 232754782900SOr Gerlitz 23288f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 23298f256622SPablo Neira Ayuso struct flow_match_control match; 233054782900SOr Gerlitz 23318f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 23328f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 233354782900SOr Gerlitz 233454782900SOr Gerlitz /* the HW doesn't support frag first/later */ 23350885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 23360885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 233754782900SOr Gerlitz return -EOPNOTSUPP; 23380885ae1aSAbhiram R N } 233954782900SOr Gerlitz 23408f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 234154782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 234254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 23438f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 234454782900SOr Gerlitz 234554782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 23468f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 234783621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 234854782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 234954782900SOr Gerlitz else 235083621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 235154782900SOr Gerlitz } 235254782900SOr Gerlitz } 235354782900SOr Gerlitz 23548f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 23558f256622SPablo Neira Ayuso struct flow_match_basic match; 23568f256622SPablo Neira Ayuso 23578f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 23588f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 235954782900SOr Gerlitz 236054782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 23618f256622SPablo Neira Ayuso match.mask->ip_proto); 236254782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 23638f256622SPablo Neira Ayuso match.key->ip_proto); 236454782900SOr Gerlitz 23658f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2366d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 236754782900SOr Gerlitz } 236854782900SOr Gerlitz 2369e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 23708f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2371e3a2b7edSAmir Vadai 23728f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2373e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2374e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23758f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2376e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2377e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 23788f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2379e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2380e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23818f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2382e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2383e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 23848f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2385de0af0bfSRoi Dayan 23868f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2387d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2388e3a2b7edSAmir Vadai } 2389e3a2b7edSAmir Vadai 2390e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 23918f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2392e3a2b7edSAmir Vadai 23938f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2394e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2395e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23968f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2397e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2398e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 23998f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2400e3a2b7edSAmir Vadai 2401e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2402e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24038f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2404e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2405e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 24068f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2407de0af0bfSRoi Dayan 24088f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 24098f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2410d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2411e3a2b7edSAmir Vadai } 2412e3a2b7edSAmir Vadai 24138f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 24148f256622SPablo Neira Ayuso struct flow_match_ip match; 24151f97a526SOr Gerlitz 24168f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 24178f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 24188f256622SPablo Neira Ayuso match.mask->tos & 0x3); 24198f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 24208f256622SPablo Neira Ayuso match.key->tos & 0x3); 24211f97a526SOr Gerlitz 24228f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 24238f256622SPablo Neira Ayuso match.mask->tos >> 2); 24248f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 24258f256622SPablo Neira Ayuso match.key->tos >> 2); 24261f97a526SOr Gerlitz 24278f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 24288f256622SPablo Neira Ayuso match.mask->ttl); 24298f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 24308f256622SPablo Neira Ayuso match.key->ttl); 24311f97a526SOr Gerlitz 24328f256622SPablo Neira Ayuso if (match.mask->ttl && 2433a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2434e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2435e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2436e98bedf5SEli Britstein "Matching on TTL is not supported"); 24371f97a526SOr Gerlitz return -EOPNOTSUPP; 2438e98bedf5SEli Britstein } 2439a8ade55fSOr Gerlitz 24408f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2441d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 24421f97a526SOr Gerlitz } 24431f97a526SOr Gerlitz 244454782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 244554782900SOr Gerlitz 24468f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 24478f256622SPablo Neira Ayuso struct flow_match_ports match; 24488f256622SPablo Neira Ayuso 24498f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2450e3a2b7edSAmir Vadai switch (ip_proto) { 2451e3a2b7edSAmir Vadai case IPPROTO_TCP: 2452e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24538f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2454e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24558f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2456e3a2b7edSAmir Vadai 2457e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24588f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2459e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24608f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2461e3a2b7edSAmir Vadai break; 2462e3a2b7edSAmir Vadai 2463e3a2b7edSAmir Vadai case IPPROTO_UDP: 2464e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24658f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2466e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24678f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2468e3a2b7edSAmir Vadai 2469e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 24708f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2471e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 24728f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2473e3a2b7edSAmir Vadai break; 2474e3a2b7edSAmir Vadai default: 2475e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2476e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2477e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2478e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2479e3a2b7edSAmir Vadai return -EINVAL; 2480e3a2b7edSAmir Vadai } 2481de0af0bfSRoi Dayan 24828f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2483d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2484e3a2b7edSAmir Vadai } 2485e3a2b7edSAmir Vadai 24868f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 24878f256622SPablo Neira Ayuso struct flow_match_tcp match; 2488e77834ecSOr Gerlitz 24898f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2490e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 24918f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2492e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 24938f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2494e77834ecSOr Gerlitz 24958f256622SPablo Neira Ayuso if (match.mask->flags) 2496d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2497e77834ecSOr Gerlitz } 2498a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2499a3222a2dSMaor Dickman struct flow_match_icmp match; 2500e77834ecSOr Gerlitz 2501a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2502a3222a2dSMaor Dickman switch (ip_proto) { 2503a3222a2dSMaor Dickman case IPPROTO_ICMP: 2504a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 25050885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 25060885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 25070885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 2508a3222a2dSMaor Dickman return -EOPNOTSUPP; 25090885ae1aSAbhiram R N } 2510a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2511a3222a2dSMaor Dickman match.mask->type); 2512a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2513a3222a2dSMaor Dickman match.key->type); 2514a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2515a3222a2dSMaor Dickman match.mask->code); 2516a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2517a3222a2dSMaor Dickman match.key->code); 2518a3222a2dSMaor Dickman break; 2519a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2520a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 25210885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 25220885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 25230885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 2524a3222a2dSMaor Dickman return -EOPNOTSUPP; 25250885ae1aSAbhiram R N } 2526a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2527a3222a2dSMaor Dickman match.mask->type); 2528a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2529a3222a2dSMaor Dickman match.key->type); 2530a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2531a3222a2dSMaor Dickman match.mask->code); 2532a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2533a3222a2dSMaor Dickman match.key->code); 2534a3222a2dSMaor Dickman break; 2535a3222a2dSMaor Dickman default: 2536a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2537a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2538a3222a2dSMaor Dickman netdev_err(priv->netdev, 2539a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2540a3222a2dSMaor Dickman return -EINVAL; 2541a3222a2dSMaor Dickman } 2542a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2543a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2544a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2545a3222a2dSMaor Dickman } 2546a3222a2dSMaor Dickman } 254739c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 25487d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 25497d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 25507d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 25517d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 25527d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 25537d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 25547d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 25557d6c86e3SAlaa Hleihel } 25567d6c86e3SAlaa Hleihel 2557e3a2b7edSAmir Vadai return 0; 2558e3a2b7edSAmir Vadai } 2559e3a2b7edSAmir Vadai 2560de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 256165ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2562de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2563f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 256454c177caSOz Shlomo struct net_device *filter_dev) 2565de0af0bfSRoi Dayan { 256693b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2567e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2568de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2569de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 25701d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 25711d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2572226f2ca3SVlad Buslov bool is_eswitch_flow; 2573de0af0bfSRoi Dayan int err; 2574de0af0bfSRoi Dayan 257593b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 257693b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 257793b3586eSHuy Nguyen 25780a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 25790a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 258093b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 258193b3586eSHuy Nguyen outer_match_level : inner_match_level; 2582de0af0bfSRoi Dayan 2583226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2584226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 25851d447a39SSaeed Mahameed rep = rpriv->rep; 2586b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 25871d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 258893b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2589e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2590e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2591de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2592de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 259393b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2594de0af0bfSRoi Dayan return -EOPNOTSUPP; 2595de0af0bfSRoi Dayan } 2596de0af0bfSRoi Dayan } 2597de0af0bfSRoi Dayan 2598c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2599c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2600c620b772SAriel Levkovich 260138aa51c1SOr Gerlitz 2602de0af0bfSRoi Dayan return err; 2603de0af0bfSRoi Dayan } 2604de0af0bfSRoi Dayan 2605d79b6df6SOr Gerlitz struct pedit_headers { 2606d79b6df6SOr Gerlitz struct ethhdr eth; 26070eb69bb9SEli Britstein struct vlan_hdr vlan; 2608d79b6df6SOr Gerlitz struct iphdr ip4; 2609d79b6df6SOr Gerlitz struct ipv6hdr ip6; 2610d79b6df6SOr Gerlitz struct tcphdr tcp; 2611d79b6df6SOr Gerlitz struct udphdr udp; 2612d79b6df6SOr Gerlitz }; 2613d79b6df6SOr Gerlitz 2614c500c86bSPablo Neira Ayuso struct pedit_headers_action { 2615c500c86bSPablo Neira Ayuso struct pedit_headers vals; 2616c500c86bSPablo Neira Ayuso struct pedit_headers masks; 2617c500c86bSPablo Neira Ayuso u32 pedits; 2618c500c86bSPablo Neira Ayuso }; 2619c500c86bSPablo Neira Ayuso 2620d79b6df6SOr Gerlitz static int pedit_header_offsets[] = { 262173867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_ETH] = offsetof(struct pedit_headers, eth), 262273867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP4] = offsetof(struct pedit_headers, ip4), 262373867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_IP6] = offsetof(struct pedit_headers, ip6), 262473867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_TCP] = offsetof(struct pedit_headers, tcp), 262573867881SPablo Neira Ayuso [FLOW_ACT_MANGLE_HDR_TYPE_UDP] = offsetof(struct pedit_headers, udp), 2626d79b6df6SOr Gerlitz }; 2627d79b6df6SOr Gerlitz 2628d79b6df6SOr Gerlitz #define pedit_header(_ph, _htype) ((void *)(_ph) + pedit_header_offsets[_htype]) 2629d79b6df6SOr Gerlitz 2630d79b6df6SOr Gerlitz static int set_pedit_val(u8 hdr_type, u32 mask, u32 val, u32 offset, 26310885ae1aSAbhiram R N struct pedit_headers_action *hdrs, 26320885ae1aSAbhiram R N struct netlink_ext_ack *extack) 2633d79b6df6SOr Gerlitz { 2634d79b6df6SOr Gerlitz u32 *curr_pmask, *curr_pval; 2635d79b6df6SOr Gerlitz 2636c500c86bSPablo Neira Ayuso curr_pmask = (u32 *)(pedit_header(&hdrs->masks, hdr_type) + offset); 2637c500c86bSPablo Neira Ayuso curr_pval = (u32 *)(pedit_header(&hdrs->vals, hdr_type) + offset); 2638d79b6df6SOr Gerlitz 26390885ae1aSAbhiram R N if (*curr_pmask & mask) { /* disallow acting twice on the same location */ 26400885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 26410885ae1aSAbhiram R N "curr_pmask and new mask same. Acting twice on same location"); 2642d79b6df6SOr Gerlitz goto out_err; 26430885ae1aSAbhiram R N } 2644d79b6df6SOr Gerlitz 2645d79b6df6SOr Gerlitz *curr_pmask |= mask; 2646d79b6df6SOr Gerlitz *curr_pval |= (val & mask); 2647d79b6df6SOr Gerlitz 2648d79b6df6SOr Gerlitz return 0; 2649d79b6df6SOr Gerlitz 2650d79b6df6SOr Gerlitz out_err: 2651d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2652d79b6df6SOr Gerlitz } 2653d79b6df6SOr Gerlitz 2654d79b6df6SOr Gerlitz struct mlx5_fields { 2655d79b6df6SOr Gerlitz u8 field; 265688f30bbcSDmytro Linkin u8 field_bsize; 265788f30bbcSDmytro Linkin u32 field_mask; 2658d79b6df6SOr Gerlitz u32 offset; 265927c11b6bSEli Britstein u32 match_offset; 2660d79b6df6SOr Gerlitz }; 2661d79b6df6SOr Gerlitz 266288f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 266388f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 266427c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 266527c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 266627c11b6bSEli Britstein 26672ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 26682ef86872SEli Britstein * match. 26692ef86872SEli Britstein */ 26702ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 26712ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 26722ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 26732ef86872SEli Britstein type maskx = *(type *)(maskp); \ 26742ef86872SEli Britstein type valx = *(type *)(valp); \ 26752ef86872SEli Britstein \ 26762ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 26772ef86872SEli Britstein matchmaskx)); \ 26782ef86872SEli Britstein }) 26792ef86872SEli Britstein 268027c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 268188f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 268227c11b6bSEli Britstein { 268327c11b6bSEli Britstein bool same = false; 268427c11b6bSEli Britstein 268588f30bbcSDmytro Linkin switch (bsize) { 268688f30bbcSDmytro Linkin case 8: 26872ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 268827c11b6bSEli Britstein break; 268988f30bbcSDmytro Linkin case 16: 26902ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 269127c11b6bSEli Britstein break; 269288f30bbcSDmytro Linkin case 32: 26932ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 269427c11b6bSEli Britstein break; 269527c11b6bSEli Britstein } 269627c11b6bSEli Britstein 269727c11b6bSEli Britstein return same; 269827c11b6bSEli Britstein } 2699a8e4f0c4SOr Gerlitz 2700d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 270188f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 270288f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 270388f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 270488f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 270588f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 270688f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2707d79b6df6SOr Gerlitz 2708ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 270988f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 271088f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 271188f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2712d79b6df6SOr Gerlitz 271388f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 271427c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 271588f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 271627c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 271788f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 271827c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 271988f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 272027c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 272188f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 272227c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 272388f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 272427c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 272588f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 272627c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 272788f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 272827c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 272988f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2730748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2731d79b6df6SOr Gerlitz 273288f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 273388f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 273488f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 273588f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2736d79b6df6SOr Gerlitz 273788f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 273888f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2739d79b6df6SOr Gerlitz }; 2740d79b6df6SOr Gerlitz 274182198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 274282198d8bSMaor Dickman { 274382198d8bSMaor Dickman __be32 mask_be32; 274482198d8bSMaor Dickman __be16 mask_be16; 274582198d8bSMaor Dickman 274682198d8bSMaor Dickman if (size == 32) { 274782198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 274882198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 274982198d8bSMaor Dickman } else if (size == 16) { 275082198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 275182198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 275282198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 275382198d8bSMaor Dickman } 275482198d8bSMaor Dickman 275582198d8bSMaor Dickman return mask; 275682198d8bSMaor Dickman } 27576ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 27586ae4a6a5SPaul Blakey int namespace, 27596ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2760e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 276127c11b6bSEli Britstein u32 *action_flags, 2762e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2763d79b6df6SOr Gerlitz { 2764d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 276588f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 276688f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 27676ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 276882198d8bSMaor Dickman unsigned long mask, field_mask; 27692c0e5cf5SPaul Blakey int i, first, last, next_z; 27702c0e5cf5SPaul Blakey struct mlx5_fields *f; 277188f30bbcSDmytro Linkin u8 cmd; 277288f30bbcSDmytro Linkin 27736ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 277488f30bbcSDmytro Linkin headers_c = get_match_headers_criteria(*action_flags, &parse_attr->spec); 277588f30bbcSDmytro Linkin headers_v = get_match_headers_value(*action_flags, &parse_attr->spec); 2776d79b6df6SOr Gerlitz 277773867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 277873867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 277973867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 278073867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2781d79b6df6SOr Gerlitz 2782d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 278327c11b6bSEli Britstein bool skip; 278427c11b6bSEli Britstein 2785d79b6df6SOr Gerlitz f = &fields[i]; 2786d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2787e3ca4e05SOr Gerlitz s_mask = 0; 2788e3ca4e05SOr Gerlitz a_mask = 0; 2789d79b6df6SOr Gerlitz 2790d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2791d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2792d79b6df6SOr Gerlitz 279388f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 279488f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2795d79b6df6SOr Gerlitz 2796d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2797d79b6df6SOr Gerlitz continue; 2798d79b6df6SOr Gerlitz 2799d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2800e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2801e98bedf5SEli Britstein "can't set and add to the same HW field"); 280261b6a6c3SCai Huoqing netdev_warn(priv->netdev, 280361b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 280461b6a6c3SCai Huoqing f->field); 2805d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2806d79b6df6SOr Gerlitz } 2807d79b6df6SOr Gerlitz 280827c11b6bSEli Britstein skip = false; 2809d79b6df6SOr Gerlitz if (s_mask) { 281027c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 281127c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 281227c11b6bSEli Britstein 2813d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2814d79b6df6SOr Gerlitz mask = s_mask; 2815d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 281627c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 281727c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 281888f30bbcSDmytro Linkin match_mask, f->field_bsize)) 281927c11b6bSEli Britstein skip = true; 2820d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 282188f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2822d79b6df6SOr Gerlitz } else { 2823d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2824d79b6df6SOr Gerlitz mask = a_mask; 2825d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 282627c11b6bSEli Britstein /* add 0 is no change */ 282788f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 282827c11b6bSEli Britstein skip = true; 2829d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 283088f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2831d79b6df6SOr Gerlitz } 283227c11b6bSEli Britstein if (skip) 283327c11b6bSEli Britstein continue; 2834d79b6df6SOr Gerlitz 283582198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 28362b64bebaSOr Gerlitz 283788f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 283888f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 283988f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 28402b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2841e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2842e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 284361b6a6c3SCai Huoqing netdev_warn(priv->netdev, 284461b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2845d79b6df6SOr Gerlitz mask); 2846d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2847d79b6df6SOr Gerlitz } 2848d79b6df6SOr Gerlitz 28492c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 28502c0e5cf5SPaul Blakey if (IS_ERR(action)) { 28516ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 28526ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 28536ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 28546ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 28556ae4a6a5SPaul Blakey mod_acts->num_actions); 28562c0e5cf5SPaul Blakey return PTR_ERR(action); 28576ae4a6a5SPaul Blakey } 28586ae4a6a5SPaul Blakey 2859d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2860d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2861d79b6df6SOr Gerlitz 2862d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 286388f30bbcSDmytro Linkin int start; 286488f30bbcSDmytro Linkin 286582198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 286682198d8bSMaor Dickman 286788f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 286882198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 286988f30bbcSDmytro Linkin 287088f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2871d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 28722b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2873d79b6df6SOr Gerlitz } 2874d79b6df6SOr Gerlitz 287588f30bbcSDmytro Linkin if (f->field_bsize == 32) 28762b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 287788f30bbcSDmytro Linkin else if (f->field_bsize == 16) 28782b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 287988f30bbcSDmytro Linkin else if (f->field_bsize == 8) 28802b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2881d79b6df6SOr Gerlitz 28826ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2883d79b6df6SOr Gerlitz } 2884d79b6df6SOr Gerlitz 2885d79b6df6SOr Gerlitz return 0; 2886d79b6df6SOr Gerlitz } 2887d79b6df6SOr Gerlitz 2888d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2889d79b6df6SOr Gerlitz 2890582234b4SEli Cohen static int 2891582234b4SEli Cohen parse_pedit_to_modify_hdr(struct mlx5e_priv *priv, 289273867881SPablo Neira Ayuso const struct flow_action_entry *act, int namespace, 2893582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2894c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 2895e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2896d79b6df6SOr Gerlitz { 289773867881SPablo Neira Ayuso u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1; 289873867881SPablo Neira Ayuso int err = -EOPNOTSUPP; 2899d79b6df6SOr Gerlitz u32 mask, val, offset; 290073867881SPablo Neira Ayuso u8 htype; 2901d79b6df6SOr Gerlitz 290273867881SPablo Neira Ayuso htype = act->mangle.htype; 2903d79b6df6SOr Gerlitz err = -EOPNOTSUPP; /* can't be all optimistic */ 2904d79b6df6SOr Gerlitz 290573867881SPablo Neira Ayuso if (htype == FLOW_ACT_MANGLE_UNSPEC) { 290673867881SPablo Neira Ayuso NL_SET_ERR_MSG_MOD(extack, "legacy pedit isn't offloaded"); 2907d79b6df6SOr Gerlitz goto out_err; 2908d79b6df6SOr Gerlitz } 2909d79b6df6SOr Gerlitz 29102c0e5cf5SPaul Blakey if (!mlx5e_mod_hdr_max_actions(priv->mdev, namespace)) { 29112cc1cb1dSTonghao Zhang NL_SET_ERR_MSG_MOD(extack, 29122cc1cb1dSTonghao Zhang "The pedit offload action is not supported"); 29132cc1cb1dSTonghao Zhang goto out_err; 29142cc1cb1dSTonghao Zhang } 29152cc1cb1dSTonghao Zhang 291673867881SPablo Neira Ayuso mask = act->mangle.mask; 291773867881SPablo Neira Ayuso val = act->mangle.val; 291873867881SPablo Neira Ayuso offset = act->mangle.offset; 2919d79b6df6SOr Gerlitz 29200885ae1aSAbhiram R N err = set_pedit_val(htype, ~mask, val, offset, &hdrs[cmd], extack); 2921d79b6df6SOr Gerlitz if (err) 2922d79b6df6SOr Gerlitz goto out_err; 2923c500c86bSPablo Neira Ayuso 2924c500c86bSPablo Neira Ayuso hdrs[cmd].pedits++; 2925d79b6df6SOr Gerlitz 2926c500c86bSPablo Neira Ayuso return 0; 2927c500c86bSPablo Neira Ayuso out_err: 2928c500c86bSPablo Neira Ayuso return err; 2929c500c86bSPablo Neira Ayuso } 2930c500c86bSPablo Neira Ayuso 2931582234b4SEli Cohen static int 29321cc35b70SRoi Dayan parse_pedit_to_reformat(const struct flow_action_entry *act, 2933582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2934582234b4SEli Cohen struct netlink_ext_ack *extack) 2935582234b4SEli Cohen { 2936582234b4SEli Cohen u32 mask, val, offset; 2937582234b4SEli Cohen u32 *p; 2938582234b4SEli Cohen 29390885ae1aSAbhiram R N if (act->id != FLOW_ACTION_MANGLE) { 29400885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Unsupported action id"); 2941582234b4SEli Cohen return -EOPNOTSUPP; 29420885ae1aSAbhiram R N } 2943582234b4SEli Cohen 2944582234b4SEli Cohen if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) { 2945582234b4SEli Cohen NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported"); 2946582234b4SEli Cohen return -EOPNOTSUPP; 2947582234b4SEli Cohen } 2948582234b4SEli Cohen 2949582234b4SEli Cohen mask = ~act->mangle.mask; 2950582234b4SEli Cohen val = act->mangle.val; 2951582234b4SEli Cohen offset = act->mangle.offset; 2952582234b4SEli Cohen p = (u32 *)&parse_attr->eth; 2953582234b4SEli Cohen *(p + (offset >> 2)) |= (val & mask); 2954582234b4SEli Cohen 2955582234b4SEli Cohen return 0; 2956582234b4SEli Cohen } 2957582234b4SEli Cohen 2958582234b4SEli Cohen static int parse_tc_pedit_action(struct mlx5e_priv *priv, 2959582234b4SEli Cohen const struct flow_action_entry *act, int namespace, 2960582234b4SEli Cohen struct mlx5e_tc_flow_parse_attr *parse_attr, 2961582234b4SEli Cohen struct pedit_headers_action *hdrs, 2962582234b4SEli Cohen struct mlx5e_tc_flow *flow, 2963582234b4SEli Cohen struct netlink_ext_ack *extack) 2964582234b4SEli Cohen { 2965582234b4SEli Cohen if (flow && flow_flag_test(flow, L3_TO_L2_DECAP)) 29661cc35b70SRoi Dayan return parse_pedit_to_reformat(act, parse_attr, extack); 2967582234b4SEli Cohen 2968582234b4SEli Cohen return parse_pedit_to_modify_hdr(priv, act, namespace, 2969582234b4SEli Cohen parse_attr, hdrs, extack); 2970582234b4SEli Cohen } 2971582234b4SEli Cohen 2972c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2973c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2974c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 297527c11b6bSEli Britstein u32 *action_flags, 2976c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2977c500c86bSPablo Neira Ayuso { 2978c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2979c500c86bSPablo Neira Ayuso int err; 2980c500c86bSPablo Neira Ayuso u8 cmd; 2981c500c86bSPablo Neira Ayuso 29826ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 29836ae4a6a5SPaul Blakey action_flags, extack); 2984d79b6df6SOr Gerlitz if (err < 0) 2985d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2986d79b6df6SOr Gerlitz 2987d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2988c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2989d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2990e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2991e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2992b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2993d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2994d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2995d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2996d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2997d79b6df6SOr Gerlitz } 2998d79b6df6SOr Gerlitz } 2999d79b6df6SOr Gerlitz 3000d79b6df6SOr Gerlitz return 0; 3001d79b6df6SOr Gerlitz 3002d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 30032c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3004d79b6df6SOr Gerlitz return err; 3005d79b6df6SOr Gerlitz } 3006d79b6df6SOr Gerlitz 3007e98bedf5SEli Britstein static bool csum_offload_supported(struct mlx5e_priv *priv, 3008e98bedf5SEli Britstein u32 action, 3009e98bedf5SEli Britstein u32 update_flags, 3010e98bedf5SEli Britstein struct netlink_ext_ack *extack) 301126c02749SOr Gerlitz { 301226c02749SOr Gerlitz u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | 301326c02749SOr Gerlitz TCA_CSUM_UPDATE_FLAG_UDP; 301426c02749SOr Gerlitz 301526c02749SOr Gerlitz /* The HW recalcs checksums only if re-writing headers */ 301626c02749SOr Gerlitz if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { 3017e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3018e98bedf5SEli Britstein "TC csum action is only offloaded with pedit"); 301926c02749SOr Gerlitz netdev_warn(priv->netdev, 302026c02749SOr Gerlitz "TC csum action is only offloaded with pedit\n"); 302126c02749SOr Gerlitz return false; 302226c02749SOr Gerlitz } 302326c02749SOr Gerlitz 302426c02749SOr Gerlitz if (update_flags & ~prot_flags) { 3025e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3026e98bedf5SEli Britstein "can't offload TC csum action for some header/s"); 302726c02749SOr Gerlitz netdev_warn(priv->netdev, 302826c02749SOr Gerlitz "can't offload TC csum action for some header/s - flags %#x\n", 302926c02749SOr Gerlitz update_flags); 303026c02749SOr Gerlitz return false; 303126c02749SOr Gerlitz } 303226c02749SOr Gerlitz 303326c02749SOr Gerlitz return true; 303426c02749SOr Gerlitz } 303526c02749SOr Gerlitz 30368998576bSDmytro Linkin struct ip_ttl_word { 30378998576bSDmytro Linkin __u8 ttl; 30388998576bSDmytro Linkin __u8 protocol; 30398998576bSDmytro Linkin __sum16 check; 30408998576bSDmytro Linkin }; 30418998576bSDmytro Linkin 30428998576bSDmytro Linkin struct ipv6_hoplimit_word { 30438998576bSDmytro Linkin __be16 payload_len; 30448998576bSDmytro Linkin __u8 nexthdr; 30458998576bSDmytro Linkin __u8 hop_limit; 30468998576bSDmytro Linkin }; 30478998576bSDmytro Linkin 30481836d780SRoi Dayan static bool 30491836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 30501836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 30514c3844d9SPaul Blakey struct netlink_ext_ack *extack) 30528998576bSDmytro Linkin { 30538998576bSDmytro Linkin u32 mask, offset; 30548998576bSDmytro Linkin u8 htype; 30558998576bSDmytro Linkin 30568998576bSDmytro Linkin htype = act->mangle.htype; 30578998576bSDmytro Linkin offset = act->mangle.offset; 30588998576bSDmytro Linkin mask = ~act->mangle.mask; 30598998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 30608998576bSDmytro Linkin * to determine that modified fields 30618998576bSDmytro Linkin * are NOT ttl & hop_limit only. 30628998576bSDmytro Linkin */ 30638998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 30648998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 30658998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 30668998576bSDmytro Linkin 30678998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 30688998576bSDmytro Linkin ttl_word->protocol || 30698998576bSDmytro Linkin ttl_word->check) { 30704c3844d9SPaul Blakey *modify_ip_header = true; 30714c3844d9SPaul Blakey } 30724c3844d9SPaul Blakey 30737e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 30747e36feebSPaul Blakey *modify_tuple = true; 30757e36feebSPaul Blakey 30767e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30774c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30784c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 30791836d780SRoi Dayan return false; 30808998576bSDmytro Linkin } 30818998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 30828998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 30838998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 30848998576bSDmytro Linkin 30858998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 30868998576bSDmytro Linkin hoplimit_word->payload_len || 30878998576bSDmytro Linkin hoplimit_word->nexthdr) { 30884c3844d9SPaul Blakey *modify_ip_header = true; 30898998576bSDmytro Linkin } 30904c3844d9SPaul Blakey 30917e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 30927e36feebSPaul Blakey *modify_tuple = true; 30937e36feebSPaul Blakey 30947e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30954c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30964c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 30971836d780SRoi Dayan return false; 30988998576bSDmytro Linkin } 30997e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 31007e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 31017e36feebSPaul Blakey *modify_tuple = true; 31027e36feebSPaul Blakey if (ct_flow) { 31034c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 31044c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 31051836d780SRoi Dayan return false; 31064c3844d9SPaul Blakey } 31077e36feebSPaul Blakey } 31084c3844d9SPaul Blakey 31091836d780SRoi Dayan return true; 31108998576bSDmytro Linkin } 31118998576bSDmytro Linkin 311296b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 311396b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 311496b5b458SDima Chumak struct mlx5e_priv *priv, 311596b5b458SDima Chumak struct mlx5_flow_spec *spec) 311696b5b458SDima Chumak { 311796b5b458SDima Chumak if (!modify_tuple || ct_clear) 311896b5b458SDima Chumak return true; 311996b5b458SDima Chumak 312096b5b458SDima Chumak if (ct_flow) { 312196b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 312296b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 312396b5b458SDima Chumak netdev_info(priv->netdev, 312496b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 312596b5b458SDima Chumak return false; 312696b5b458SDima Chumak } 312796b5b458SDima Chumak 312896b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 312996b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 313096b5b458SDima Chumak * we can't restore ct state 313196b5b458SDima Chumak */ 313296b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 313396b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 313496b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 313596b5b458SDima Chumak netdev_info(priv->netdev, 313696b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 313796b5b458SDima Chumak return false; 313896b5b458SDima Chumak } 313996b5b458SDima Chumak 314096b5b458SDima Chumak return true; 314196b5b458SDima Chumak } 314296b5b458SDima Chumak 31433d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 31443d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 314573867881SPablo Neira Ayuso struct flow_action *flow_action, 31464c3844d9SPaul Blakey u32 actions, bool ct_flow, 31477e36feebSPaul Blakey bool ct_clear, 3148e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3149bdd66ac0SOr Gerlitz { 315073867881SPablo Neira Ayuso const struct flow_action_entry *act; 31517e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3152fca53304SEli Britstein void *headers_c; 3153bdd66ac0SOr Gerlitz void *headers_v; 3154bdd66ac0SOr Gerlitz u16 ethertype; 31558998576bSDmytro Linkin u8 ip_proto; 31561836d780SRoi Dayan int i; 3157bdd66ac0SOr Gerlitz 3158fca53304SEli Britstein headers_c = get_match_headers_criteria(actions, spec); 31598377629eSEli Britstein headers_v = get_match_headers_value(actions, spec); 3160bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3161bdd66ac0SOr Gerlitz 3162bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3163fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3164fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3165bdd66ac0SOr Gerlitz goto out_ok; 3166bdd66ac0SOr Gerlitz 3167bdd66ac0SOr Gerlitz modify_ip_header = false; 31687e36feebSPaul Blakey modify_tuple = false; 316973867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 317073867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 317173867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3172bdd66ac0SOr Gerlitz continue; 3173bdd66ac0SOr Gerlitz 31741836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 31757e36feebSPaul Blakey &modify_ip_header, 31761836d780SRoi Dayan &modify_tuple, extack)) 31771836d780SRoi Dayan return false; 3178bdd66ac0SOr Gerlitz } 3179bdd66ac0SOr Gerlitz 318096b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 318196b5b458SDima Chumak priv, spec)) 31827e36feebSPaul Blakey return false; 31837e36feebSPaul Blakey 3184bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 31851ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 31861ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3187e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3188e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 31893d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 31903d486ec4SOz Shlomo ip_proto); 3191bdd66ac0SOr Gerlitz return false; 3192bdd66ac0SOr Gerlitz } 3193bdd66ac0SOr Gerlitz 3194bdd66ac0SOr Gerlitz out_ok: 3195bdd66ac0SOr Gerlitz return true; 3196bdd66ac0SOr Gerlitz } 3197bdd66ac0SOr Gerlitz 31989c1d3511SRoi Dayan static bool 31999c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 32009c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 32019c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 32029c1d3511SRoi Dayan struct netlink_ext_ack *extack) 32039c1d3511SRoi Dayan { 3204d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 32059c1d3511SRoi Dayan bool ct_flow, ct_clear; 32069c1d3511SRoi Dayan 32079c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 32089c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 32099c1d3511SRoi Dayan 3210d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3211d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 32129c1d3511SRoi Dayan /* All registers used by ct are cleared when using 32139c1d3511SRoi Dayan * split rules. 32149c1d3511SRoi Dayan */ 32159c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 32169c1d3511SRoi Dayan return false; 32179c1d3511SRoi Dayan } 32189c1d3511SRoi Dayan 3219d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3220d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3221d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3222d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3223d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3224d4f401d9SRoi Dayan return false; 3225d4f401d9SRoi Dayan } 3226d4f401d9SRoi Dayan 32279c1d3511SRoi Dayan return true; 32289c1d3511SRoi Dayan } 32299c1d3511SRoi Dayan 32309c1d3511SRoi Dayan static bool 32319c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 323273867881SPablo Neira Ayuso struct flow_action *flow_action, 3233bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3234e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3235e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3236bdd66ac0SOr Gerlitz { 32379c1d3511SRoi Dayan u32 actions = flow->attr->action; 32389c1d3511SRoi Dayan bool ct_flow, ct_clear; 3239bdd66ac0SOr Gerlitz 32409c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3241a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3242c620b772SAriel Levkovich 32436b50cf45SRoi Dayan if (!(actions & 32446b50cf45SRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 32456b50cf45SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 32466b50cf45SRoi Dayan return false; 32476b50cf45SRoi Dayan } 32486b50cf45SRoi Dayan 32499c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 32509c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 32519c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 325249397b80SDan Carpenter return false; 3253bdd66ac0SOr Gerlitz 32549c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 32559c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 32569c1d3511SRoi Dayan return false; 3257bdd66ac0SOr Gerlitz 3258bdd66ac0SOr Gerlitz return true; 3259bdd66ac0SOr Gerlitz } 3260bdd66ac0SOr Gerlitz 326132134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 326232134847SMaor Dickman { 326332134847SMaor Dickman return priv->mdev == peer_priv->mdev; 326432134847SMaor Dickman } 326532134847SMaor Dickman 32665c65c564SOr Gerlitz static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 32675c65c564SOr Gerlitz { 32685c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3269816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 32705c65c564SOr Gerlitz 32715c65c564SOr Gerlitz fmdev = priv->mdev; 32725c65c564SOr Gerlitz pmdev = peer_priv->mdev; 32735c65c564SOr Gerlitz 327459c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 327559c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 32765c65c564SOr Gerlitz 3277816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 32785c65c564SOr Gerlitz } 32795c65c564SOr Gerlitz 3280bb569657SAriel Levkovich static bool same_vf_reps(struct mlx5e_priv *priv, 3281bb569657SAriel Levkovich struct net_device *out_dev) 3282bb569657SAriel Levkovich { 3283bb569657SAriel Levkovich return mlx5e_eswitch_vf_rep(priv->netdev) && 3284bb569657SAriel Levkovich priv->netdev == out_dev; 3285bb569657SAriel Levkovich } 3286bb569657SAriel Levkovich 3287bdc837eeSEli Britstein static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace, 3288bdc837eeSEli Britstein const struct flow_action_entry *act, 3289bdc837eeSEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 3290bdc837eeSEli Britstein struct pedit_headers_action *hdrs, 3291bdc837eeSEli Britstein u32 *action, struct netlink_ext_ack *extack) 3292bdc837eeSEli Britstein { 3293bdc837eeSEli Britstein u16 mask16 = VLAN_VID_MASK; 3294bdc837eeSEli Britstein u16 val16 = act->vlan.vid & VLAN_VID_MASK; 3295bdc837eeSEli Britstein const struct flow_action_entry pedit_act = { 3296bdc837eeSEli Britstein .id = FLOW_ACTION_MANGLE, 3297bdc837eeSEli Britstein .mangle.htype = FLOW_ACT_MANGLE_HDR_TYPE_ETH, 3298bdc837eeSEli Britstein .mangle.offset = offsetof(struct vlan_ethhdr, h_vlan_TCI), 3299bdc837eeSEli Britstein .mangle.mask = ~(u32)be16_to_cpu(*(__be16 *)&mask16), 3300bdc837eeSEli Britstein .mangle.val = (u32)be16_to_cpu(*(__be16 *)&val16), 3301bdc837eeSEli Britstein }; 33026fca9d1eSEli Britstein u8 match_prio_mask, match_prio_val; 3303bf2f3bcaSEli Britstein void *headers_c, *headers_v; 3304bdc837eeSEli Britstein int err; 3305bdc837eeSEli Britstein 3306bf2f3bcaSEli Britstein headers_c = get_match_headers_criteria(*action, &parse_attr->spec); 3307bf2f3bcaSEli Britstein headers_v = get_match_headers_value(*action, &parse_attr->spec); 3308bf2f3bcaSEli Britstein 3309bf2f3bcaSEli Britstein if (!(MLX5_GET(fte_match_set_lyr_2_4, headers_c, cvlan_tag) && 3310bf2f3bcaSEli Britstein MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag))) { 3311bf2f3bcaSEli Britstein NL_SET_ERR_MSG_MOD(extack, 3312bf2f3bcaSEli Britstein "VLAN rewrite action must have VLAN protocol match"); 3313bf2f3bcaSEli Britstein return -EOPNOTSUPP; 3314bf2f3bcaSEli Britstein } 3315bf2f3bcaSEli Britstein 33166fca9d1eSEli Britstein match_prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 33176fca9d1eSEli Britstein match_prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 33186fca9d1eSEli Britstein if (act->vlan.prio != (match_prio_val & match_prio_mask)) { 33196fca9d1eSEli Britstein NL_SET_ERR_MSG_MOD(extack, 33206fca9d1eSEli Britstein "Changing VLAN prio is not supported"); 3321bdc837eeSEli Britstein return -EOPNOTSUPP; 3322bdc837eeSEli Britstein } 3323bdc837eeSEli Britstein 3324582234b4SEli Cohen err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack); 3325bdc837eeSEli Britstein *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3326bdc837eeSEli Britstein 3327bdc837eeSEli Britstein return err; 3328bdc837eeSEli Britstein } 3329bdc837eeSEli Britstein 33300bac1194SEli Britstein static int 33310bac1194SEli Britstein add_vlan_prio_tag_rewrite_action(struct mlx5e_priv *priv, 33320bac1194SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 33330bac1194SEli Britstein struct pedit_headers_action *hdrs, 33340bac1194SEli Britstein u32 *action, struct netlink_ext_ack *extack) 33350bac1194SEli Britstein { 33360bac1194SEli Britstein const struct flow_action_entry prio_tag_act = { 33370bac1194SEli Britstein .vlan.vid = 0, 33380bac1194SEli Britstein .vlan.prio = 33390bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 33400bac1194SEli Britstein get_match_headers_value(*action, 33410bac1194SEli Britstein &parse_attr->spec), 33420bac1194SEli Britstein first_prio) & 33430bac1194SEli Britstein MLX5_GET(fte_match_set_lyr_2_4, 33440bac1194SEli Britstein get_match_headers_criteria(*action, 33450bac1194SEli Britstein &parse_attr->spec), 33460bac1194SEli Britstein first_prio), 33470bac1194SEli Britstein }; 33480bac1194SEli Britstein 33490bac1194SEli Britstein return add_vlan_rewrite_action(priv, MLX5_FLOW_NAMESPACE_FDB, 33500bac1194SEli Britstein &prio_tag_act, parse_attr, hdrs, action, 33510bac1194SEli Britstein extack); 33520bac1194SEli Britstein } 33530bac1194SEli Britstein 3354c7569097SAriel Levkovich static int validate_goto_chain(struct mlx5e_priv *priv, 3355c7569097SAriel Levkovich struct mlx5e_tc_flow *flow, 3356c7569097SAriel Levkovich const struct flow_action_entry *act, 3357c7569097SAriel Levkovich u32 actions, 3358c7569097SAriel Levkovich struct netlink_ext_ack *extack) 3359c7569097SAriel Levkovich { 3360c7569097SAriel Levkovich bool is_esw = mlx5e_is_eswitch_flow(flow); 3361c7569097SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3362c7569097SAriel Levkovich bool ft_flow = mlx5e_is_ft_flow(flow); 3363c7569097SAriel Levkovich u32 dest_chain = act->chain_index; 3364c7569097SAriel Levkovich struct mlx5_fs_chains *chains; 3365c7569097SAriel Levkovich struct mlx5_eswitch *esw; 3366c7569097SAriel Levkovich u32 reformat_and_fwd; 3367c7569097SAriel Levkovich u32 max_chain; 3368c7569097SAriel Levkovich 3369c7569097SAriel Levkovich esw = priv->mdev->priv.eswitch; 3370c7569097SAriel Levkovich chains = is_esw ? esw_chains(esw) : nic_chains(priv); 3371c7569097SAriel Levkovich max_chain = mlx5_chains_get_chain_range(chains); 3372c7569097SAriel Levkovich reformat_and_fwd = is_esw ? 3373c7569097SAriel Levkovich MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_and_fwd_to_table) : 3374c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, reformat_and_fwd_to_table); 3375c7569097SAriel Levkovich 3376c7569097SAriel Levkovich if (ft_flow) { 3377c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, "Goto action is not supported"); 3378c7569097SAriel Levkovich return -EOPNOTSUPP; 3379c7569097SAriel Levkovich } 3380c7569097SAriel Levkovich 3381c7569097SAriel Levkovich if (!mlx5_chains_backwards_supported(chains) && 3382c7569097SAriel Levkovich dest_chain <= attr->chain) { 3383c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3384c7569097SAriel Levkovich "Goto lower numbered chain isn't supported"); 3385c7569097SAriel Levkovich return -EOPNOTSUPP; 3386c7569097SAriel Levkovich } 3387c7569097SAriel Levkovich 3388c7569097SAriel Levkovich if (dest_chain > max_chain) { 3389c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3390c7569097SAriel Levkovich "Requested destination chain is out of supported range"); 3391c7569097SAriel Levkovich return -EOPNOTSUPP; 3392c7569097SAriel Levkovich } 3393c7569097SAriel Levkovich 3394c7569097SAriel Levkovich if (actions & (MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT | 3395c7569097SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_DECAP) && 3396c7569097SAriel Levkovich !reformat_and_fwd) { 3397c7569097SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3398c7569097SAriel Levkovich "Goto chain is not allowed if action has reformat or decap"); 3399c7569097SAriel Levkovich return -EOPNOTSUPP; 3400c7569097SAriel Levkovich } 3401c7569097SAriel Levkovich 3402c7569097SAriel Levkovich return 0; 3403c7569097SAriel Levkovich } 3404c7569097SAriel Levkovich 3405d9581e2fSRoi Dayan static int 3406d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3407d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3408d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3409d9581e2fSRoi Dayan struct pedit_headers_action *hdrs, 3410d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3411d9581e2fSRoi Dayan { 3412d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 3413d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3414d9581e2fSRoi Dayan int err; 3415d9581e2fSRoi Dayan 3416d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3417d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3418d9581e2fSRoi Dayan return 0; 3419d9581e2fSRoi Dayan 3420d9581e2fSRoi Dayan ns_type = get_flow_name_space(flow); 3421d9581e2fSRoi Dayan 3422d9581e2fSRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, hdrs, 3423d9581e2fSRoi Dayan &attr->action, extack); 3424d9581e2fSRoi Dayan if (err) 3425d9581e2fSRoi Dayan return err; 3426d9581e2fSRoi Dayan 3427d9581e2fSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3428d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3429d9581e2fSRoi Dayan return 0; 3430d9581e2fSRoi Dayan 3431d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 34322c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3433d9581e2fSRoi Dayan 3434d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3435d9581e2fSRoi Dayan return 0; 3436d9581e2fSRoi Dayan 3437d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3438d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3439d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3440d9581e2fSRoi Dayan 3441d9581e2fSRoi Dayan return 0; 3442d9581e2fSRoi Dayan } 3443d9581e2fSRoi Dayan 3444d9581e2fSRoi Dayan static int 3445d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 344673867881SPablo Neira Ayuso struct flow_action *flow_action, 3447e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3448e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3449e3a2b7edSAmir Vadai { 3450c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3451c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 345273867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 345373867881SPablo Neira Ayuso const struct flow_action_entry *act; 3454c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr; 34551cab1cd7SOr Gerlitz u32 action = 0; 3456244cd96aSCong Wang int err, i; 3457e3a2b7edSAmir Vadai 34580885ae1aSAbhiram R N if (!flow_action_has_entries(flow_action)) { 34590885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 3460e3a2b7edSAmir Vadai return -EINVAL; 34610885ae1aSAbhiram R N } 3462e3a2b7edSAmir Vadai 346353eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 34640885ae1aSAbhiram R N FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 34650885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3466319a1d19SJiri Pirko return -EOPNOTSUPP; 34670885ae1aSAbhiram R N } 3468319a1d19SJiri Pirko 3469c620b772SAriel Levkovich nic_attr = attr->nic_attr; 3470c620b772SAriel Levkovich nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3471c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3472e3a2b7edSAmir Vadai 347373867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 347473867881SPablo Neira Ayuso switch (act->id) { 347515fc92ecSTonghao Zhang case FLOW_ACTION_ACCEPT: 347615fc92ecSTonghao Zhang action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 347715fc92ecSTonghao Zhang MLX5_FLOW_CONTEXT_ACTION_COUNT; 347815fc92ecSTonghao Zhang break; 347973867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 3480950b4df9SRoi Dayan action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 3481950b4df9SRoi Dayan MLX5_FLOW_CONTEXT_ACTION_COUNT; 348273867881SPablo Neira Ayuso break; 348373867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 348473867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 348573867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL, 3486582234b4SEli Cohen parse_attr, hdrs, NULL, extack); 34872f4fe4caSOr Gerlitz if (err) 34882f4fe4caSOr Gerlitz return err; 34892f4fe4caSOr Gerlitz 3490c7569097SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 349173867881SPablo Neira Ayuso break; 3492bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 3493bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 3494bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_KERNEL, 3495bdc837eeSEli Britstein act, parse_attr, hdrs, 3496bdc837eeSEli Britstein &action, extack); 3497bdc837eeSEli Britstein if (err) 3498bdc837eeSEli Britstein return err; 3499bdc837eeSEli Britstein 3500bdc837eeSEli Britstein break; 350173867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 35021cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 350373867881SPablo Neira Ayuso act->csum_flags, 3504e98bedf5SEli Britstein extack)) 350573867881SPablo Neira Ayuso break; 350626c02749SOr Gerlitz 350726c02749SOr Gerlitz return -EOPNOTSUPP; 350873867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: { 350973867881SPablo Neira Ayuso struct net_device *peer_dev = act->dev; 35105c65c564SOr Gerlitz 35115c65c564SOr Gerlitz if (priv->netdev->netdev_ops == peer_dev->netdev_ops && 35125c65c564SOr Gerlitz same_hw_devs(priv, netdev_priv(peer_dev))) { 351398b66cb1SEli Britstein parse_attr->mirred_ifindex[0] = peer_dev->ifindex; 3514226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN); 35151cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 35165c65c564SOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 35175c65c564SOr Gerlitz } else { 3518e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3519e98bedf5SEli Britstein "device is not on same HW, can't offload"); 35205c65c564SOr Gerlitz netdev_warn(priv->netdev, "device %s not on same HW, can't offload\n", 35215c65c564SOr Gerlitz peer_dev->name); 352225f150f4SRoi Dayan return -EOPNOTSUPP; 35235c65c564SOr Gerlitz } 35245c65c564SOr Gerlitz } 352573867881SPablo Neira Ayuso break; 352673867881SPablo Neira Ayuso case FLOW_ACTION_MARK: { 352773867881SPablo Neira Ayuso u32 mark = act->mark; 3528e3a2b7edSAmir Vadai 3529e3a2b7edSAmir Vadai if (mark & ~MLX5E_TC_FLOW_ID_MASK) { 3530e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3531e98bedf5SEli Britstein "Bad flow mark - only 16 bit is supported"); 353225f150f4SRoi Dayan return -EOPNOTSUPP; 3533e3a2b7edSAmir Vadai } 3534e3a2b7edSAmir Vadai 3535c620b772SAriel Levkovich nic_attr->flow_tag = mark; 35361cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 3537e3a2b7edSAmir Vadai } 353873867881SPablo Neira Ayuso break; 3539c7569097SAriel Levkovich case FLOW_ACTION_GOTO: 3540c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 3541c7569097SAriel Levkovich extack); 3542c7569097SAriel Levkovich if (err) 3543c7569097SAriel Levkovich return err; 3544c7569097SAriel Levkovich 35457f8770c7SRoi Dayan action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 35467f8770c7SRoi Dayan MLX5_FLOW_CONTEXT_ACTION_COUNT; 3547c7569097SAriel Levkovich attr->dest_chain = act->chain_index; 3548c7569097SAriel Levkovich break; 3549aedd133dSAriel Levkovich case FLOW_ACTION_CT: 3550aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 3551aedd133dSAriel Levkovich if (err) 3552aedd133dSAriel Levkovich return err; 3553aedd133dSAriel Levkovich 3554aedd133dSAriel Levkovich flow_flag_set(flow, CT); 3555aedd133dSAriel Levkovich break; 355673867881SPablo Neira Ayuso default: 35570885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 35580885ae1aSAbhiram R N "The offload action is not supported in NIC action"); 35592cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 3560e3a2b7edSAmir Vadai } 356173867881SPablo Neira Ayuso } 3562e3a2b7edSAmir Vadai 35631cab1cd7SOr Gerlitz attr->action = action; 3564c7569097SAriel Levkovich 35657f8770c7SRoi Dayan if (attr->dest_chain && parse_attr->mirred_ifindex[0]) { 3566c7569097SAriel Levkovich NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported"); 3567c7569097SAriel Levkovich return -EOPNOTSUPP; 3568c7569097SAriel Levkovich } 3569c7569097SAriel Levkovich 3570d9581e2fSRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); 3571d9581e2fSRoi Dayan if (err) 3572d9581e2fSRoi Dayan return err; 3573d9581e2fSRoi Dayan 357473867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3575bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3576bdd66ac0SOr Gerlitz 3577e3a2b7edSAmir Vadai return 0; 3578e3a2b7edSAmir Vadai } 3579e3a2b7edSAmir Vadai 358032134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3581b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3582b1d90e6bSRabie Loulou { 3583b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3584b1d90e6bSRabie Loulou 3585b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3586b1d90e6bSRabie Loulou 3587b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 358832134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 358932134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 359068931c7dSRoi Dayan same_hw_devs(priv, peer_priv)); 3591b1d90e6bSRabie Loulou } 3592b1d90e6bSRabie Loulou 35931482bd3dSJianbo Liu static int parse_tc_vlan_action(struct mlx5e_priv *priv, 359473867881SPablo Neira Ayuso const struct flow_action_entry *act, 35951482bd3dSJianbo Liu struct mlx5_esw_flow_attr *attr, 35960885ae1aSAbhiram R N u32 *action, 35970885ae1aSAbhiram R N struct netlink_ext_ack *extack) 35981482bd3dSJianbo Liu { 3599cc495188SJianbo Liu u8 vlan_idx = attr->total_vlan; 3600cc495188SJianbo Liu 36010885ae1aSAbhiram R N if (vlan_idx >= MLX5_FS_VLAN_DEPTH) { 36020885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Total vlans used is greater than supported"); 36031482bd3dSJianbo Liu return -EOPNOTSUPP; 36040885ae1aSAbhiram R N } 3605cc495188SJianbo Liu 360673867881SPablo Neira Ayuso switch (act->id) { 360773867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 3608cc495188SJianbo Liu if (vlan_idx) { 3609cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 36100885ae1aSAbhiram R N MLX5_FS_VLAN_DEPTH)) { 36110885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 36120885ae1aSAbhiram R N "vlan pop action is not supported"); 3613cc495188SJianbo Liu return -EOPNOTSUPP; 36140885ae1aSAbhiram R N } 3615cc495188SJianbo Liu 3616cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP_2; 3617cc495188SJianbo Liu } else { 3618cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 3619cc495188SJianbo Liu } 362073867881SPablo Neira Ayuso break; 362173867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 362273867881SPablo Neira Ayuso attr->vlan_vid[vlan_idx] = act->vlan.vid; 362373867881SPablo Neira Ayuso attr->vlan_prio[vlan_idx] = act->vlan.prio; 362473867881SPablo Neira Ayuso attr->vlan_proto[vlan_idx] = act->vlan.proto; 3625cc495188SJianbo Liu if (!attr->vlan_proto[vlan_idx]) 3626cc495188SJianbo Liu attr->vlan_proto[vlan_idx] = htons(ETH_P_8021Q); 3627cc495188SJianbo Liu 3628cc495188SJianbo Liu if (vlan_idx) { 3629cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 36300885ae1aSAbhiram R N MLX5_FS_VLAN_DEPTH)) { 36310885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 36320885ae1aSAbhiram R N "vlan push action is not supported for vlan depth > 1"); 3633cc495188SJianbo Liu return -EOPNOTSUPP; 36340885ae1aSAbhiram R N } 3635cc495188SJianbo Liu 3636cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH_2; 3637cc495188SJianbo Liu } else { 3638cc495188SJianbo Liu if (!mlx5_eswitch_vlan_actions_supported(priv->mdev, 1) && 363973867881SPablo Neira Ayuso (act->vlan.proto != htons(ETH_P_8021Q) || 36400885ae1aSAbhiram R N act->vlan.prio)) { 36410885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 36420885ae1aSAbhiram R N "vlan push action is not supported"); 3643cc495188SJianbo Liu return -EOPNOTSUPP; 36440885ae1aSAbhiram R N } 3645cc495188SJianbo Liu 3646cc495188SJianbo Liu *action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; 36471482bd3dSJianbo Liu } 364873867881SPablo Neira Ayuso break; 364973867881SPablo Neira Ayuso default: 36500885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Unexpected action id for VLAN"); 3651bdc837eeSEli Britstein return -EINVAL; 36521482bd3dSJianbo Liu } 36531482bd3dSJianbo Liu 3654cc495188SJianbo Liu attr->total_vlan = vlan_idx + 1; 3655cc495188SJianbo Liu 36561482bd3dSJianbo Liu return 0; 36571482bd3dSJianbo Liu } 36581482bd3dSJianbo Liu 3659d34eb2fcSOr Gerlitz static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev, 3660d34eb2fcSOr Gerlitz struct net_device *out_dev) 3661d34eb2fcSOr Gerlitz { 3662d34eb2fcSOr Gerlitz struct net_device *fdb_out_dev = out_dev; 3663d34eb2fcSOr Gerlitz struct net_device *uplink_upper; 3664d34eb2fcSOr Gerlitz 3665d34eb2fcSOr Gerlitz rcu_read_lock(); 3666d34eb2fcSOr Gerlitz uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev); 3667d34eb2fcSOr Gerlitz if (uplink_upper && netif_is_lag_master(uplink_upper) && 3668d34eb2fcSOr Gerlitz uplink_upper == out_dev) { 3669d34eb2fcSOr Gerlitz fdb_out_dev = uplink_dev; 3670d34eb2fcSOr Gerlitz } else if (netif_is_lag_master(out_dev)) { 3671d34eb2fcSOr Gerlitz fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev)); 3672d34eb2fcSOr Gerlitz if (fdb_out_dev && 3673d34eb2fcSOr Gerlitz (!mlx5e_eswitch_rep(fdb_out_dev) || 3674d34eb2fcSOr Gerlitz !netdev_port_same_parent_id(fdb_out_dev, uplink_dev))) 3675d34eb2fcSOr Gerlitz fdb_out_dev = NULL; 3676d34eb2fcSOr Gerlitz } 3677d34eb2fcSOr Gerlitz rcu_read_unlock(); 3678d34eb2fcSOr Gerlitz return fdb_out_dev; 3679d34eb2fcSOr Gerlitz } 3680d34eb2fcSOr Gerlitz 3681278748a9SEli Britstein static int add_vlan_push_action(struct mlx5e_priv *priv, 3682c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 3683278748a9SEli Britstein struct net_device **out_dev, 36840885ae1aSAbhiram R N u32 *action, 36850885ae1aSAbhiram R N struct netlink_ext_ack *extack) 3686278748a9SEli Britstein { 3687278748a9SEli Britstein struct net_device *vlan_dev = *out_dev; 3688278748a9SEli Britstein struct flow_action_entry vlan_act = { 3689278748a9SEli Britstein .id = FLOW_ACTION_VLAN_PUSH, 3690278748a9SEli Britstein .vlan.vid = vlan_dev_vlan_id(vlan_dev), 3691278748a9SEli Britstein .vlan.proto = vlan_dev_vlan_proto(vlan_dev), 3692278748a9SEli Britstein .vlan.prio = 0, 3693278748a9SEli Britstein }; 3694278748a9SEli Britstein int err; 3695278748a9SEli Britstein 36960885ae1aSAbhiram R N err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action, extack); 3697278748a9SEli Britstein if (err) 3698278748a9SEli Britstein return err; 3699278748a9SEli Britstein 3700dca59f4aSDima Chumak rcu_read_lock(); 3701dca59f4aSDima Chumak *out_dev = dev_get_by_index_rcu(dev_net(vlan_dev), dev_get_iflink(vlan_dev)); 3702dca59f4aSDima Chumak rcu_read_unlock(); 3703dca59f4aSDima Chumak if (!*out_dev) 3704dca59f4aSDima Chumak return -ENODEV; 3705dca59f4aSDima Chumak 3706278748a9SEli Britstein if (is_vlan_dev(*out_dev)) 37070885ae1aSAbhiram R N err = add_vlan_push_action(priv, attr, out_dev, action, extack); 3708278748a9SEli Britstein 3709278748a9SEli Britstein return err; 3710278748a9SEli Britstein } 3711278748a9SEli Britstein 371235a605dbSEli Britstein static int add_vlan_pop_action(struct mlx5e_priv *priv, 3713c620b772SAriel Levkovich struct mlx5_flow_attr *attr, 37140885ae1aSAbhiram R N u32 *action, 37150885ae1aSAbhiram R N struct netlink_ext_ack *extack) 371635a605dbSEli Britstein { 371735a605dbSEli Britstein struct flow_action_entry vlan_act = { 371835a605dbSEli Britstein .id = FLOW_ACTION_VLAN_POP, 371935a605dbSEli Britstein }; 372070f478caSDmytro Linkin int nest_level, err = 0; 372135a605dbSEli Britstein 372270f478caSDmytro Linkin nest_level = attr->parse_attr->filter_dev->lower_level - 372370f478caSDmytro Linkin priv->netdev->lower_level; 372435a605dbSEli Britstein while (nest_level--) { 37250885ae1aSAbhiram R N err = parse_tc_vlan_action(priv, &vlan_act, attr->esw_attr, action, extack); 372635a605dbSEli Britstein if (err) 372735a605dbSEli Britstein return err; 372835a605dbSEli Britstein } 372935a605dbSEli Britstein 373035a605dbSEli Britstein return err; 373135a605dbSEli Britstein } 373235a605dbSEli Britstein 373332134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 373432134847SMaor Dickman struct net_device *peer_netdev) 373532134847SMaor Dickman { 373632134847SMaor Dickman struct mlx5e_priv *peer_priv; 373732134847SMaor Dickman 373832134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 373932134847SMaor Dickman 374032134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 374132134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 374232134847SMaor Dickman same_hw_devs(priv, peer_priv); 374332134847SMaor Dickman } 374432134847SMaor Dickman 374532134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 374632134847SMaor Dickman struct net_device *peer_netdev) 374732134847SMaor Dickman { 374832134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 374932134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 375032134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 375132134847SMaor Dickman } 375232134847SMaor Dickman 3753f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3754f6dc1264SPaul Blakey struct net_device *out_dev) 3755f6dc1264SPaul Blakey { 375632134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 375732134847SMaor Dickman return true; 375832134847SMaor Dickman 375932134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3760f6dc1264SPaul Blakey return true; 3761f6dc1264SPaul Blakey 3762f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 376332134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3764f6dc1264SPaul Blakey } 3765f6dc1264SPaul Blakey 3766554fe75cSDmytro Linkin static bool is_duplicated_output_device(struct net_device *dev, 3767554fe75cSDmytro Linkin struct net_device *out_dev, 3768554fe75cSDmytro Linkin int *ifindexes, int if_count, 3769554fe75cSDmytro Linkin struct netlink_ext_ack *extack) 3770554fe75cSDmytro Linkin { 3771554fe75cSDmytro Linkin int i; 3772554fe75cSDmytro Linkin 3773554fe75cSDmytro Linkin for (i = 0; i < if_count; i++) { 3774554fe75cSDmytro Linkin if (ifindexes[i] == out_dev->ifindex) { 3775554fe75cSDmytro Linkin NL_SET_ERR_MSG_MOD(extack, 3776554fe75cSDmytro Linkin "can't duplicate output to same device"); 3777554fe75cSDmytro Linkin netdev_err(dev, "can't duplicate output to same device: %s\n", 3778554fe75cSDmytro Linkin out_dev->name); 3779554fe75cSDmytro Linkin return true; 3780554fe75cSDmytro Linkin } 3781554fe75cSDmytro Linkin } 3782554fe75cSDmytro Linkin 3783554fe75cSDmytro Linkin return false; 3784554fe75cSDmytro Linkin } 3785554fe75cSDmytro Linkin 3786613f53feSEli Cohen static int verify_uplink_forwarding(struct mlx5e_priv *priv, 3787613f53feSEli Cohen struct mlx5e_tc_flow *flow, 3788613f53feSEli Cohen struct net_device *out_dev, 3789613f53feSEli Cohen struct netlink_ext_ack *extack) 3790613f53feSEli Cohen { 3791c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 3792613f53feSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3793613f53feSEli Cohen struct mlx5e_rep_priv *rep_priv; 3794613f53feSEli Cohen 3795613f53feSEli Cohen /* Forwarding non encapsulated traffic between 3796613f53feSEli Cohen * uplink ports is allowed only if 3797613f53feSEli Cohen * termination_table_raw_traffic cap is set. 3798613f53feSEli Cohen * 3799c620b772SAriel Levkovich * Input vport was stored attr->in_rep. 3800613f53feSEli Cohen * In LAG case, *priv* is the private data of 3801613f53feSEli Cohen * uplink which may be not the input vport. 3802613f53feSEli Cohen */ 3803613f53feSEli Cohen rep_priv = mlx5e_rep_to_rep_priv(attr->in_rep); 3804613f53feSEli Cohen 3805613f53feSEli Cohen if (!(mlx5e_eswitch_uplink_rep(rep_priv->netdev) && 3806613f53feSEli Cohen mlx5e_eswitch_uplink_rep(out_dev))) 3807613f53feSEli Cohen return 0; 3808613f53feSEli Cohen 3809613f53feSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, 3810613f53feSEli Cohen termination_table_raw_traffic)) { 3811613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3812613f53feSEli Cohen "devices are both uplink, can't offload forwarding"); 3813613f53feSEli Cohen pr_err("devices %s %s are both uplink, can't offload forwarding\n", 3814613f53feSEli Cohen priv->netdev->name, out_dev->name); 3815613f53feSEli Cohen return -EOPNOTSUPP; 3816613f53feSEli Cohen } else if (out_dev != rep_priv->netdev) { 3817613f53feSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3818613f53feSEli Cohen "devices are not the same uplink, can't offload forwarding"); 3819613f53feSEli Cohen pr_err("devices %s %s are both uplink but not the same, can't offload forwarding\n", 3820613f53feSEli Cohen priv->netdev->name, out_dev->name); 3821613f53feSEli Cohen return -EOPNOTSUPP; 3822613f53feSEli Cohen } 3823613f53feSEli Cohen return 0; 3824613f53feSEli Cohen } 3825613f53feSEli Cohen 382627484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 382727484f71SAriel Levkovich struct mlx5_flow_attr *attr, 382827484f71SAriel Levkovich int ifindex, 382927484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 383027484f71SAriel Levkovich u32 *action, 383127484f71SAriel Levkovich int out_index) 383227484f71SAriel Levkovich { 383327484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 383427484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 383527484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 383627484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 383727484f71SAriel Levkovich int err; 383827484f71SAriel Levkovich 383927484f71SAriel Levkovich parse_attr = attr->parse_attr; 384027484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 384127484f71SAriel Levkovich 384227484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 384327484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 384427484f71SAriel Levkovich return PTR_ERR(dest_int_port); 384527484f71SAriel Levkovich 384627484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 384727484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 384827484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 384927484f71SAriel Levkovich if (err) { 385027484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 385127484f71SAriel Levkovich return err; 385227484f71SAriel Levkovich } 385327484f71SAriel Levkovich 385427484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 385527484f71SAriel Levkovich 385627484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 385727484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 385827484f71SAriel Levkovich 385927484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 386027484f71SAriel Levkovich attr->dest_chain = 0; 386127484f71SAriel Levkovich 386227484f71SAriel Levkovich return 0; 386327484f71SAriel Levkovich } 386427484f71SAriel Levkovich 386573867881SPablo Neira Ayuso static int parse_tc_fdb_actions(struct mlx5e_priv *priv, 386673867881SPablo Neira Ayuso struct flow_action *flow_action, 3867e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 386870f8019eSRoi Dayan struct netlink_ext_ack *extack) 3869a54e20b4SHadar Hen Zion { 387073867881SPablo Neira Ayuso struct pedit_headers_action hdrs[2] = {}; 3871bf07aa73SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3872c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 38731d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 3874bcd6740cSChris Mi struct mlx5e_sample_attr sample_attr = {}; 387573867881SPablo Neira Ayuso const struct ip_tunnel_info *info = NULL; 3876c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3877554fe75cSDmytro Linkin int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS]; 387884179981SPaul Blakey bool ft_flow = mlx5e_is_ft_flow(flow); 387973867881SPablo Neira Ayuso const struct flow_action_entry *act; 3880c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 38810a7fcb78SPaul Blakey bool encap = false, decap = false; 38820a7fcb78SPaul Blakey u32 action = attr->action; 3883554fe75cSDmytro Linkin int err, i, if_count = 0; 388427484f71SAriel Levkovich bool ptype_host = false; 3885f828ca6aSEli Cohen bool mpls_push = false; 388603a9d11eSOr Gerlitz 38870885ae1aSAbhiram R N if (!flow_action_has_entries(flow_action)) { 38880885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 388903a9d11eSOr Gerlitz return -EINVAL; 38900885ae1aSAbhiram R N } 389103a9d11eSOr Gerlitz 389253eca1f3SJakub Kicinski if (!flow_action_hw_stats_check(flow_action, extack, 38930885ae1aSAbhiram R N FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 38940885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3895319a1d19SJiri Pirko return -EOPNOTSUPP; 38960885ae1aSAbhiram R N } 3897319a1d19SJiri Pirko 3898c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3899c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3900c620b772SAriel Levkovich 390173867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 390273867881SPablo Neira Ayuso switch (act->id) { 39036ba2e2b3SVlad Buslov case FLOW_ACTION_ACCEPT: 39046ba2e2b3SVlad Buslov action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 39056ba2e2b3SVlad Buslov MLX5_FLOW_CONTEXT_ACTION_COUNT; 39066ba2e2b3SVlad Buslov attr->flags |= MLX5_ESW_ATTR_FLAG_ACCEPT; 39076ba2e2b3SVlad Buslov break; 3908dbac71f2SAriel Levkovich case FLOW_ACTION_PTYPE: 3909dbac71f2SAriel Levkovich if (act->ptype != PACKET_HOST) { 3910dbac71f2SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3911dbac71f2SAriel Levkovich "skbedit ptype is only supported with type host"); 3912dbac71f2SAriel Levkovich return -EOPNOTSUPP; 3913dbac71f2SAriel Levkovich } 391427484f71SAriel Levkovich 391527484f71SAriel Levkovich ptype_host = true; 3916dbac71f2SAriel Levkovich break; 391773867881SPablo Neira Ayuso case FLOW_ACTION_DROP: 39181cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_DROP | 391903a9d11eSOr Gerlitz MLX5_FLOW_CONTEXT_ACTION_COUNT; 392073867881SPablo Neira Ayuso break; 3921f0288210SEli Cohen case FLOW_ACTION_TRAP: 3922f0288210SEli Cohen if (!flow_offload_has_one_action(flow_action)) { 3923f0288210SEli Cohen NL_SET_ERR_MSG_MOD(extack, 3924f0288210SEli Cohen "action trap is supported as a sole action only"); 3925f0288210SEli Cohen return -EOPNOTSUPP; 3926f0288210SEli Cohen } 3927f0288210SEli Cohen action |= (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 3928f0288210SEli Cohen MLX5_FLOW_CONTEXT_ACTION_COUNT); 3929f0288210SEli Cohen attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 3930f0288210SEli Cohen break; 3931f828ca6aSEli Cohen case FLOW_ACTION_MPLS_PUSH: 3932f828ca6aSEli Cohen if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 3933f828ca6aSEli Cohen reformat_l2_to_l3_tunnel) || 3934f828ca6aSEli Cohen act->mpls_push.proto != htons(ETH_P_MPLS_UC)) { 3935f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 3936f828ca6aSEli Cohen "mpls push is supported only for mpls_uc protocol"); 3937f828ca6aSEli Cohen return -EOPNOTSUPP; 3938f828ca6aSEli Cohen } 3939f828ca6aSEli Cohen mpls_push = true; 3940f828ca6aSEli Cohen break; 394114e6b038SEli Cohen case FLOW_ACTION_MPLS_POP: 394214e6b038SEli Cohen /* we only support mpls pop if it is the first action 394314e6b038SEli Cohen * and the filter net device is bareudp. Subsequent 394414e6b038SEli Cohen * actions can be pedit and the last can be mirred 394514e6b038SEli Cohen * egress redirect. 394614e6b038SEli Cohen */ 394714e6b038SEli Cohen if (i) { 394814e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 394914e6b038SEli Cohen "mpls pop supported only as first action"); 395014e6b038SEli Cohen return -EOPNOTSUPP; 395114e6b038SEli Cohen } 395270f8019eSRoi Dayan if (!netif_is_bareudp(parse_attr->filter_dev)) { 395314e6b038SEli Cohen NL_SET_ERR_MSG_MOD(extack, 395414e6b038SEli Cohen "mpls pop supported only on bareudp devices"); 395514e6b038SEli Cohen return -EOPNOTSUPP; 395614e6b038SEli Cohen } 395714e6b038SEli Cohen 395814e6b038SEli Cohen parse_attr->eth.h_proto = act->mpls_pop.proto; 395914e6b038SEli Cohen action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT; 396014e6b038SEli Cohen flow_flag_set(flow, L3_TO_L2_DECAP); 396114e6b038SEli Cohen break; 396273867881SPablo Neira Ayuso case FLOW_ACTION_MANGLE: 396373867881SPablo Neira Ayuso case FLOW_ACTION_ADD: 396473867881SPablo Neira Ayuso err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB, 3965582234b4SEli Cohen parse_attr, hdrs, flow, extack); 3966d7e75a32SOr Gerlitz if (err) 3967d7e75a32SOr Gerlitz return err; 3968d7e75a32SOr Gerlitz 3969582234b4SEli Cohen if (!flow_flag_test(flow, L3_TO_L2_DECAP)) { 39701cab1cd7SOr Gerlitz action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 3971c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 3972582234b4SEli Cohen } 397373867881SPablo Neira Ayuso break; 397473867881SPablo Neira Ayuso case FLOW_ACTION_CSUM: 39751cab1cd7SOr Gerlitz if (csum_offload_supported(priv, action, 397673867881SPablo Neira Ayuso act->csum_flags, extack)) 397773867881SPablo Neira Ayuso break; 397826c02749SOr Gerlitz 397926c02749SOr Gerlitz return -EOPNOTSUPP; 398027484f71SAriel Levkovich case FLOW_ACTION_REDIRECT_INGRESS: { 398127484f71SAriel Levkovich struct net_device *out_dev; 398227484f71SAriel Levkovich 398327484f71SAriel Levkovich out_dev = act->dev; 398427484f71SAriel Levkovich if (!out_dev) 398527484f71SAriel Levkovich return -EOPNOTSUPP; 398627484f71SAriel Levkovich 398727484f71SAriel Levkovich if (!netif_is_ovs_master(out_dev)) { 398827484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 398927484f71SAriel Levkovich "redirect to ingress is supported only for OVS internal ports"); 399027484f71SAriel Levkovich return -EOPNOTSUPP; 399127484f71SAriel Levkovich } 399227484f71SAriel Levkovich 399327484f71SAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 399427484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 399527484f71SAriel Levkovich "redirect to ingress is not supported from internal port"); 399627484f71SAriel Levkovich return -EOPNOTSUPP; 399727484f71SAriel Levkovich } 399827484f71SAriel Levkovich 399927484f71SAriel Levkovich if (!ptype_host) { 400027484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 400127484f71SAriel Levkovich "redirect to int port ingress requires ptype=host action"); 400227484f71SAriel Levkovich return -EOPNOTSUPP; 400327484f71SAriel Levkovich } 400427484f71SAriel Levkovich 400527484f71SAriel Levkovich if (esw_attr->out_count) { 400627484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 400727484f71SAriel Levkovich "redirect to int port ingress is supported only as single destination"); 400827484f71SAriel Levkovich return -EOPNOTSUPP; 400927484f71SAriel Levkovich } 401027484f71SAriel Levkovich 401127484f71SAriel Levkovich action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 401227484f71SAriel Levkovich MLX5_FLOW_CONTEXT_ACTION_COUNT; 401327484f71SAriel Levkovich 401427484f71SAriel Levkovich err = mlx5e_set_fwd_to_int_port_actions(priv, attr, out_dev->ifindex, 401527484f71SAriel Levkovich MLX5E_TC_INT_PORT_INGRESS, 401627484f71SAriel Levkovich &action, esw_attr->out_count); 401727484f71SAriel Levkovich if (err) 401827484f71SAriel Levkovich return err; 401927484f71SAriel Levkovich 402027484f71SAriel Levkovich esw_attr->out_count++; 402127484f71SAriel Levkovich 402227484f71SAriel Levkovich break; 402327484f71SAriel Levkovich } 402473867881SPablo Neira Ayuso case FLOW_ACTION_REDIRECT: 402573867881SPablo Neira Ayuso case FLOW_ACTION_MIRRED: { 402603a9d11eSOr Gerlitz struct mlx5e_priv *out_priv; 4027592d3651SChris Mi struct net_device *out_dev; 402803a9d11eSOr Gerlitz 402973867881SPablo Neira Ayuso out_dev = act->dev; 4030ef381359SOz Shlomo if (!out_dev) { 4031ef381359SOz Shlomo /* out_dev is NULL when filters with 4032ef381359SOz Shlomo * non-existing mirred device are replayed to 4033ef381359SOz Shlomo * the driver. 4034ef381359SOz Shlomo */ 4035ef381359SOz Shlomo return -EINVAL; 4036ef381359SOz Shlomo } 403703a9d11eSOr Gerlitz 4038f828ca6aSEli Cohen if (mpls_push && !netif_is_bareudp(out_dev)) { 4039f828ca6aSEli Cohen NL_SET_ERR_MSG_MOD(extack, 4040f828ca6aSEli Cohen "mpls is supported only through a bareudp device"); 4041f828ca6aSEli Cohen return -EOPNOTSUPP; 4042f828ca6aSEli Cohen } 4043f828ca6aSEli Cohen 404484179981SPaul Blakey if (ft_flow && out_dev == priv->netdev) { 404584179981SPaul Blakey /* Ignore forward to self rules generated 404684179981SPaul Blakey * by adding both mlx5 devs to the flow table 404784179981SPaul Blakey * block on a normal nft offload setup. 404884179981SPaul Blakey */ 404984179981SPaul Blakey return -EOPNOTSUPP; 405084179981SPaul Blakey } 405184179981SPaul Blakey 4052c620b772SAriel Levkovich if (esw_attr->out_count >= MLX5_MAX_FLOW_FWD_VPORTS) { 4053e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4054e98bedf5SEli Britstein "can't support more output ports, can't offload forwarding"); 40554ccd83f4SRoi Dayan netdev_warn(priv->netdev, 40564ccd83f4SRoi Dayan "can't support more than %d output ports, can't offload forwarding\n", 4057c620b772SAriel Levkovich esw_attr->out_count); 4058592d3651SChris Mi return -EOPNOTSUPP; 4059592d3651SChris Mi } 4060592d3651SChris Mi 4061f493f155SEli Britstein action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 4062f493f155SEli Britstein MLX5_FLOW_CONTEXT_ACTION_COUNT; 4063b6a4ac24SVlad Buslov if (encap) { 4064c620b772SAriel Levkovich parse_attr->mirred_ifindex[esw_attr->out_count] = 4065b6a4ac24SVlad Buslov out_dev->ifindex; 40660d9f9647SVlad Buslov parse_attr->tun_info[esw_attr->out_count] = 40670d9f9647SVlad Buslov mlx5e_dup_tun_info(info); 4068c620b772SAriel Levkovich if (!parse_attr->tun_info[esw_attr->out_count]) 4069b6a4ac24SVlad Buslov return -ENOMEM; 4070b6a4ac24SVlad Buslov encap = false; 4071c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].flags |= 4072b6a4ac24SVlad Buslov MLX5_ESW_DEST_ENCAP; 4073c620b772SAriel Levkovich esw_attr->out_count++; 4074b6a4ac24SVlad Buslov /* attr->dests[].rep is resolved when we 4075b6a4ac24SVlad Buslov * handle encap 4076b6a4ac24SVlad Buslov */ 4077b6a4ac24SVlad Buslov } else if (netdev_port_same_parent_id(priv->netdev, out_dev)) { 40787ba58ba7SRabie Loulou struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 40797ba58ba7SRabie Loulou struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); 40807ba58ba7SRabie Loulou 4081554fe75cSDmytro Linkin if (is_duplicated_output_device(priv->netdev, 4082554fe75cSDmytro Linkin out_dev, 4083554fe75cSDmytro Linkin ifindexes, 4084554fe75cSDmytro Linkin if_count, 4085554fe75cSDmytro Linkin extack)) 4086554fe75cSDmytro Linkin return -EOPNOTSUPP; 4087554fe75cSDmytro Linkin 4088554fe75cSDmytro Linkin ifindexes[if_count] = out_dev->ifindex; 4089554fe75cSDmytro Linkin if_count++; 4090554fe75cSDmytro Linkin 4091d34eb2fcSOr Gerlitz out_dev = get_fdb_out_dev(uplink_dev, out_dev); 4092d34eb2fcSOr Gerlitz if (!out_dev) 4093d34eb2fcSOr Gerlitz return -ENODEV; 40947ba58ba7SRabie Loulou 4095278748a9SEli Britstein if (is_vlan_dev(out_dev)) { 4096278748a9SEli Britstein err = add_vlan_push_action(priv, attr, 4097278748a9SEli Britstein &out_dev, 40980885ae1aSAbhiram R N &action, extack); 4099278748a9SEli Britstein if (err) 4100278748a9SEli Britstein return err; 4101278748a9SEli Britstein } 4102f6dc1264SPaul Blakey 410335a605dbSEli Britstein if (is_vlan_dev(parse_attr->filter_dev)) { 410435a605dbSEli Britstein err = add_vlan_pop_action(priv, attr, 41050885ae1aSAbhiram R N &action, extack); 410635a605dbSEli Britstein if (err) 410735a605dbSEli Britstein return err; 410835a605dbSEli Britstein } 4109278748a9SEli Britstein 4110fca572f2SDima Chumak if (netif_is_macvlan(out_dev)) 4111fca572f2SDima Chumak out_dev = macvlan_dev_real_dev(out_dev); 4112fca572f2SDima Chumak 4113613f53feSEli Cohen err = verify_uplink_forwarding(priv, flow, out_dev, extack); 4114613f53feSEli Cohen if (err) 4115613f53feSEli Cohen return err; 4116ffec9702STonghao Zhang 4117f6dc1264SPaul Blakey if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) { 4118f6dc1264SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 4119f6dc1264SPaul Blakey "devices are not on same switch HW, can't offload forwarding"); 4120a0646c88SEli Britstein return -EOPNOTSUPP; 4121f6dc1264SPaul Blakey } 4122a0646c88SEli Britstein 4123bb569657SAriel Levkovich if (same_vf_reps(priv, out_dev)) { 4124bb569657SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4125bb569657SAriel Levkovich "can't forward from a VF to itself"); 4126bb569657SAriel Levkovich return -EOPNOTSUPP; 4127bb569657SAriel Levkovich } 4128bb569657SAriel Levkovich 412903a9d11eSOr Gerlitz out_priv = netdev_priv(out_dev); 41301d447a39SSaeed Mahameed rpriv = out_priv->ppriv; 4131c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].rep = rpriv->rep; 4132c620b772SAriel Levkovich esw_attr->dests[esw_attr->out_count].mdev = out_priv->mdev; 4133c620b772SAriel Levkovich esw_attr->out_count++; 413427484f71SAriel Levkovich } else if (netif_is_ovs_master(out_dev)) { 413527484f71SAriel Levkovich err = mlx5e_set_fwd_to_int_port_actions(priv, attr, 413627484f71SAriel Levkovich out_dev->ifindex, 413727484f71SAriel Levkovich MLX5E_TC_INT_PORT_EGRESS, 413827484f71SAriel Levkovich &action, 413927484f71SAriel Levkovich esw_attr->out_count); 414027484f71SAriel Levkovich if (err) 414127484f71SAriel Levkovich return err; 414227484f71SAriel Levkovich 414327484f71SAriel Levkovich esw_attr->out_count++; 4144ef381359SOz Shlomo } else if (parse_attr->filter_dev != priv->netdev) { 4145ef381359SOz Shlomo /* All mlx5 devices are called to configure 4146ef381359SOz Shlomo * high level device filters. Therefore, the 4147ef381359SOz Shlomo * *attempt* to install a filter on invalid 4148ef381359SOz Shlomo * eswitch should not trigger an explicit error 4149ef381359SOz Shlomo */ 4150ef381359SOz Shlomo return -EINVAL; 4151a54e20b4SHadar Hen Zion } else { 4152e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 4153e98bedf5SEli Britstein "devices are not on same switch HW, can't offload forwarding"); 41544ccd83f4SRoi Dayan netdev_warn(priv->netdev, 41554ccd83f4SRoi Dayan "devices %s %s not on same switch HW, can't offload forwarding\n", 41564ccd83f4SRoi Dayan priv->netdev->name, 41574ccd83f4SRoi Dayan out_dev->name); 415825f150f4SRoi Dayan return -EOPNOTSUPP; 4159a54e20b4SHadar Hen Zion } 4160a54e20b4SHadar Hen Zion } 416173867881SPablo Neira Ayuso break; 416273867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_ENCAP: 416373867881SPablo Neira Ayuso info = act->tunnel; 41640885ae1aSAbhiram R N if (info) { 4165a54e20b4SHadar Hen Zion encap = true; 41660885ae1aSAbhiram R N } else { 41670885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 41680885ae1aSAbhiram R N "Zero tunnel attributes is not supported"); 4169a54e20b4SHadar Hen Zion return -EOPNOTSUPP; 41700885ae1aSAbhiram R N } 417103a9d11eSOr Gerlitz 417273867881SPablo Neira Ayuso break; 417373867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_PUSH: 417473867881SPablo Neira Ayuso case FLOW_ACTION_VLAN_POP: 417576b496b1SEli Britstein if (act->id == FLOW_ACTION_VLAN_PUSH && 417676b496b1SEli Britstein (action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP)) { 417776b496b1SEli Britstein /* Replace vlan pop+push with vlan modify */ 417876b496b1SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 417976b496b1SEli Britstein err = add_vlan_rewrite_action(priv, 418076b496b1SEli Britstein MLX5_FLOW_NAMESPACE_FDB, 418176b496b1SEli Britstein act, parse_attr, hdrs, 418276b496b1SEli Britstein &action, extack); 418376b496b1SEli Britstein } else { 41840885ae1aSAbhiram R N err = parse_tc_vlan_action(priv, act, esw_attr, &action, extack); 418576b496b1SEli Britstein } 41861482bd3dSJianbo Liu if (err) 41871482bd3dSJianbo Liu return err; 41881482bd3dSJianbo Liu 4189c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 419073867881SPablo Neira Ayuso break; 4191bdc837eeSEli Britstein case FLOW_ACTION_VLAN_MANGLE: 4192bdc837eeSEli Britstein err = add_vlan_rewrite_action(priv, 4193bdc837eeSEli Britstein MLX5_FLOW_NAMESPACE_FDB, 4194bdc837eeSEli Britstein act, parse_attr, hdrs, 4195bdc837eeSEli Britstein &action, extack); 4196bdc837eeSEli Britstein if (err) 4197bdc837eeSEli Britstein return err; 4198bdc837eeSEli Britstein 4199c620b772SAriel Levkovich esw_attr->split_count = esw_attr->out_count; 4200bdc837eeSEli Britstein break; 420173867881SPablo Neira Ayuso case FLOW_ACTION_TUNNEL_DECAP: 42020a7fcb78SPaul Blakey decap = true; 420373867881SPablo Neira Ayuso break; 42042fbbc30dSEli Cohen case FLOW_ACTION_GOTO: 4205c7569097SAriel Levkovich err = validate_goto_chain(priv, flow, act, action, 42062fbbc30dSEli Cohen extack); 42072fbbc30dSEli Cohen if (err) 42082fbbc30dSEli Cohen return err; 4209bf07aa73SPaul Blakey 42107f8770c7SRoi Dayan action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 42117f8770c7SRoi Dayan MLX5_FLOW_CONTEXT_ACTION_COUNT; 42122fbbc30dSEli Cohen attr->dest_chain = act->chain_index; 421373867881SPablo Neira Ayuso break; 42144c3844d9SPaul Blakey case FLOW_ACTION_CT: 421541c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 421641c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 421741c2fd94SChris Mi return -EOPNOTSUPP; 421841c2fd94SChris Mi } 4219aedd133dSAriel Levkovich err = mlx5_tc_ct_parse_action(get_ct_priv(priv), attr, act, extack); 42204c3844d9SPaul Blakey if (err) 42214c3844d9SPaul Blakey return err; 42224c3844d9SPaul Blakey 42234c3844d9SPaul Blakey flow_flag_set(flow, CT); 422469e2916eSPaul Blakey esw_attr->split_count = esw_attr->out_count; 42254c3844d9SPaul Blakey break; 422641c2fd94SChris Mi case FLOW_ACTION_SAMPLE: 422741c2fd94SChris Mi if (flow_flag_test(flow, CT)) { 422841c2fd94SChris Mi NL_SET_ERR_MSG_MOD(extack, "Sample action with connection tracking is not supported"); 422941c2fd94SChris Mi return -EOPNOTSUPP; 423041c2fd94SChris Mi } 4231bcd6740cSChris Mi sample_attr.rate = act->sample.rate; 4232bcd6740cSChris Mi sample_attr.group_num = act->sample.psample_group->group_num; 423341c2fd94SChris Mi if (act->sample.truncate) 4234bcd6740cSChris Mi sample_attr.trunc_size = act->sample.trunc_size; 423541c2fd94SChris Mi flow_flag_set(flow, SAMPLE); 423641c2fd94SChris Mi break; 423773867881SPablo Neira Ayuso default: 42380885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 42390885ae1aSAbhiram R N "The offload action is not supported in FDB action"); 42402cc1cb1dSTonghao Zhang return -EOPNOTSUPP; 424103a9d11eSOr Gerlitz } 424273867881SPablo Neira Ayuso } 4243bdd66ac0SOr Gerlitz 4244166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 4245166f431eSAriel Levkovich if ((netif_is_ovs_master(parse_attr->filter_dev) || esw_attr->dest_int_port) && 4246166f431eSAriel Levkovich esw_attr->out_count > 1) { 424727484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 4248166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 424927484f71SAriel Levkovich return -EOPNOTSUPP; 425027484f71SAriel Levkovich } 425127484f71SAriel Levkovich 4252a508728aSVlad Buslov /* always set IP version for indirect table handling */ 4253a508728aSVlad Buslov attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 4254a508728aSVlad Buslov 42550bac1194SEli Britstein if (MLX5_CAP_GEN(esw->dev, prio_tag_required) && 42560bac1194SEli Britstein action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) { 42570bac1194SEli Britstein /* For prio tag mode, replace vlan pop with rewrite vlan prio 42580bac1194SEli Britstein * tag rewrite. 42590bac1194SEli Britstein */ 42600bac1194SEli Britstein action &= ~MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; 42610bac1194SEli Britstein err = add_vlan_prio_tag_rewrite_action(priv, parse_attr, hdrs, 42620bac1194SEli Britstein &action, extack); 42630bac1194SEli Britstein if (err) 42640bac1194SEli Britstein return err; 42650bac1194SEli Britstein } 42660bac1194SEli Britstein 4267d9581e2fSRoi Dayan attr->action = action; 4268d9581e2fSRoi Dayan 4269d9581e2fSRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); 4270c500c86bSPablo Neira Ayuso if (err) 4271c500c86bSPablo Neira Ayuso return err; 4272c500c86bSPablo Neira Ayuso 427373867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 4274bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 4275bdd66ac0SOr Gerlitz 42767f8770c7SRoi Dayan if (attr->dest_chain && decap) { 42770a7fcb78SPaul Blakey /* It can be supported if we'll create a mapping for 42780a7fcb78SPaul Blakey * the tunnel device only (without tunnel), and set 42790a7fcb78SPaul Blakey * this tunnel id with this decap flow. 42800a7fcb78SPaul Blakey * 42810a7fcb78SPaul Blakey * On restore (miss), we'll just set this saved tunnel 42820a7fcb78SPaul Blakey * device. 42830a7fcb78SPaul Blakey */ 42840a7fcb78SPaul Blakey 42857f8770c7SRoi Dayan NL_SET_ERR_MSG(extack, "Decap with goto isn't supported"); 42867f8770c7SRoi Dayan netdev_warn(priv->netdev, "Decap with goto isn't supported"); 42870a7fcb78SPaul Blakey return -EOPNOTSUPP; 42880a7fcb78SPaul Blakey } 42890a7fcb78SPaul Blakey 429041c2fd94SChris Mi /* Allocate sample attribute only when there is a sample action and 429141c2fd94SChris Mi * no errors after parsing. 429241c2fd94SChris Mi */ 429341c2fd94SChris Mi if (flow_flag_test(flow, SAMPLE)) { 4294bcd6740cSChris Mi attr->sample_attr = kzalloc(sizeof(*attr->sample_attr), GFP_KERNEL); 4295bcd6740cSChris Mi if (!attr->sample_attr) 429641c2fd94SChris Mi return -ENOMEM; 4297bcd6740cSChris Mi *attr->sample_attr = sample_attr; 429841c2fd94SChris Mi } 429941c2fd94SChris Mi 430031c8eba5SOr Gerlitz return 0; 430103a9d11eSOr Gerlitz } 430203a9d11eSOr Gerlitz 4303226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 430460bd4af8SOr Gerlitz { 4305226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 430660bd4af8SOr Gerlitz 4307226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 4308226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 4309226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 4310226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 431160bd4af8SOr Gerlitz 4312226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 4313226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4314226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 4315226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 431684179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 431784179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 4318d9ee0491SOr Gerlitz 431960bd4af8SOr Gerlitz *flow_flags = __flow_flags; 432060bd4af8SOr Gerlitz } 432160bd4af8SOr Gerlitz 432205866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 432305866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 432405866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 432505866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 432605866c82SOr Gerlitz .automatic_shrinking = true, 432705866c82SOr Gerlitz }; 432805866c82SOr Gerlitz 4329226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 4330226f2ca3SVlad Buslov unsigned long flags) 433105866c82SOr Gerlitz { 4332655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4333655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 4334655dc3d2SOr Gerlitz 4335226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 4336655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 4337ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 4338d9ee0491SOr Gerlitz } else /* NIC offload */ 433905866c82SOr Gerlitz return &priv->fs.tc.ht; 434005866c82SOr Gerlitz } 434105866c82SOr Gerlitz 434204de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 434304de7ddaSRoi Dayan { 4344c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 4345c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 4346c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 4347226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 43481418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 43491418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 4350c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 43511418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 43521418ddd9SAviv Heller 435310fbb1cdSRoi Dayan if (!esw_paired) 435410fbb1cdSRoi Dayan return false; 435510fbb1cdSRoi Dayan 4356c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 4357c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 435810fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 435910fbb1cdSRoi Dayan return true; 436010fbb1cdSRoi Dayan 436110fbb1cdSRoi Dayan return false; 436204de7ddaSRoi Dayan } 436304de7ddaSRoi Dayan 4364c620b772SAriel Levkovich struct mlx5_flow_attr * 4365c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 4366c620b772SAriel Levkovich { 4367c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 4368c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 4369c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 4370c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 4371c620b772SAriel Levkovich 4372c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 4373c620b772SAriel Levkovich } 4374c620b772SAriel Levkovich 4375a88780a9SRoi Dayan static int 4376a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 4377226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 4378a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 4379a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4380e3a2b7edSAmir Vadai { 438117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 4382c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 43833bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 4384ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 4385ff7ea04aSGustavo A. R. Silva int out_index; 4386776b12b6SOr Gerlitz 4387c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 43881b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 4389ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 4390ff7ea04aSGustavo A. R. Silva goto err_free; 4391c620b772SAriel Levkovich 4392c620b772SAriel Levkovich flow->flags = flow_flags; 4393c620b772SAriel Levkovich flow->cookie = f->cookie; 4394c620b772SAriel Levkovich flow->priv = priv; 4395c620b772SAriel Levkovich 4396c620b772SAriel Levkovich attr = mlx5_alloc_flow_attr(get_flow_name_space(flow)); 4397ff7ea04aSGustavo A. R. Silva if (!attr) 4398e3a2b7edSAmir Vadai goto err_free; 4399ff7ea04aSGustavo A. R. Silva 4400c620b772SAriel Levkovich flow->attr = attr; 4401e3a2b7edSAmir Vadai 44025a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 44035a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 44045a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 440514e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 44065a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 440795435ad7SVlad Buslov init_completion(&flow->init_done); 4408e3a2b7edSAmir Vadai 4409a88780a9SRoi Dayan *__flow = flow; 4410a88780a9SRoi Dayan *__parse_attr = parse_attr; 4411a88780a9SRoi Dayan 4412a88780a9SRoi Dayan return 0; 4413a88780a9SRoi Dayan 4414a88780a9SRoi Dayan err_free: 4415a88780a9SRoi Dayan kfree(flow); 4416a88780a9SRoi Dayan kvfree(parse_attr); 4417a88780a9SRoi Dayan return err; 4418adb4c123SOr Gerlitz } 4419adb4c123SOr Gerlitz 4420988ab9c7STonghao Zhang static void 4421c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 4422c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 4423c7569097SAriel Levkovich struct flow_cls_offload *f) 4424c7569097SAriel Levkovich { 4425c7569097SAriel Levkovich attr->parse_attr = parse_attr; 4426c7569097SAriel Levkovich attr->chain = f->common.chain_index; 4427c7569097SAriel Levkovich attr->prio = f->common.prio; 4428c7569097SAriel Levkovich } 4429c7569097SAriel Levkovich 4430c7569097SAriel Levkovich static void 4431c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 4432988ab9c7STonghao Zhang struct mlx5e_priv *priv, 4433988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 4434f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4435988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 4436988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 4437988ab9c7STonghao Zhang { 4438988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4439c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 4440988ab9c7STonghao Zhang 4441c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 4442988ab9c7STonghao Zhang 4443988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 4444988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 4445988ab9c7STonghao Zhang 4446988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 4447988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 4448988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 4449988ab9c7STonghao Zhang else 4450988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 4451988ab9c7STonghao Zhang } 4452988ab9c7STonghao Zhang 445371129676SJason Gunthorpe static struct mlx5e_tc_flow * 445404de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4455f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4456226f2ca3SVlad Buslov unsigned long flow_flags, 4457d11afc26SOz Shlomo struct net_device *filter_dev, 445804de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 445971129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 4460a88780a9SRoi Dayan { 4461f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4462a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4463a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4464a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4465a88780a9SRoi Dayan int attr_size, err; 4466a88780a9SRoi Dayan 4467226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 4468a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 4469a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4470a88780a9SRoi Dayan &parse_attr, &flow); 4471a88780a9SRoi Dayan if (err) 4472a88780a9SRoi Dayan goto out; 4473988ab9c7STonghao Zhang 4474d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4475c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 4476988ab9c7STonghao Zhang priv, parse_attr, 4477988ab9c7STonghao Zhang f, in_rep, in_mdev); 4478988ab9c7STonghao Zhang 447954c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 448054c177caSOz Shlomo f, filter_dev); 4481d11afc26SOz Shlomo if (err) 4482d11afc26SOz Shlomo goto err_free; 4483a88780a9SRoi Dayan 44847e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 4485aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4486c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 4487a88780a9SRoi Dayan if (err) 4488a88780a9SRoi Dayan goto err_free; 4489a88780a9SRoi Dayan 449070f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 44914c3844d9SPaul Blakey if (err) 44924c3844d9SPaul Blakey goto err_free; 44934c3844d9SPaul Blakey 44947040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 449595435ad7SVlad Buslov complete_all(&flow->init_done); 4496ef06c9eeSRoi Dayan if (err) { 4497ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 4498aa0cbbaeSOr Gerlitz goto err_free; 44995c40348cSOr Gerlitz 4500b4a23329SRoi Dayan add_unready_flow(flow); 4501ef06c9eeSRoi Dayan } 4502ef06c9eeSRoi Dayan 450371129676SJason Gunthorpe return flow; 4504e3a2b7edSAmir Vadai 4505e3a2b7edSAmir Vadai err_free: 45065a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4507a88780a9SRoi Dayan out: 450871129676SJason Gunthorpe return ERR_PTR(err); 4509a88780a9SRoi Dayan } 4510a88780a9SRoi Dayan 4511f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 451295dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 4513226f2ca3SVlad Buslov unsigned long flow_flags) 451404de7ddaSRoi Dayan { 451504de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 451604de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 4517c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 451804de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 451904de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 452004de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 452104de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 452204de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 452304de7ddaSRoi Dayan int err = 0; 452404de7ddaSRoi Dayan 452504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 452604de7ddaSRoi Dayan if (!peer_esw) 452704de7ddaSRoi Dayan return -ENODEV; 452804de7ddaSRoi Dayan 452904de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 453004de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 453104de7ddaSRoi Dayan 453204de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 453304de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 453404de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 453504de7ddaSRoi Dayan * peer mdev. 453604de7ddaSRoi Dayan */ 4537c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 453804de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 453904de7ddaSRoi Dayan else 454004de7ddaSRoi Dayan in_mdev = priv->mdev; 454104de7ddaSRoi Dayan 4542c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 454395dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 454404de7ddaSRoi Dayan parse_attr->filter_dev, 4545c620b772SAriel Levkovich attr->in_rep, in_mdev); 454671129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 454771129676SJason Gunthorpe err = PTR_ERR(peer_flow); 454804de7ddaSRoi Dayan goto out; 454971129676SJason Gunthorpe } 455004de7ddaSRoi Dayan 455104de7ddaSRoi Dayan flow->peer_flow = peer_flow; 4552226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 455304de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 455404de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 455504de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 455604de7ddaSRoi Dayan 455704de7ddaSRoi Dayan out: 455804de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 455904de7ddaSRoi Dayan return err; 456004de7ddaSRoi Dayan } 456104de7ddaSRoi Dayan 456204de7ddaSRoi Dayan static int 456304de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 4564f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4565226f2ca3SVlad Buslov unsigned long flow_flags, 456604de7ddaSRoi Dayan struct net_device *filter_dev, 456704de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 456804de7ddaSRoi Dayan { 456904de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 457004de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 457104de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 457204de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 457304de7ddaSRoi Dayan int err; 457404de7ddaSRoi Dayan 457571129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 457671129676SJason Gunthorpe in_mdev); 457771129676SJason Gunthorpe if (IS_ERR(flow)) 457871129676SJason Gunthorpe return PTR_ERR(flow); 457904de7ddaSRoi Dayan 458004de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 458195dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 458204de7ddaSRoi Dayan if (err) { 458304de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 458404de7ddaSRoi Dayan goto out; 458504de7ddaSRoi Dayan } 458604de7ddaSRoi Dayan } 458704de7ddaSRoi Dayan 458804de7ddaSRoi Dayan *__flow = flow; 458904de7ddaSRoi Dayan 459004de7ddaSRoi Dayan return 0; 459104de7ddaSRoi Dayan 459204de7ddaSRoi Dayan out: 459304de7ddaSRoi Dayan return err; 459404de7ddaSRoi Dayan } 459504de7ddaSRoi Dayan 4596a88780a9SRoi Dayan static int 4597a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 4598f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4599226f2ca3SVlad Buslov unsigned long flow_flags, 4600d11afc26SOz Shlomo struct net_device *filter_dev, 4601a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 4602a88780a9SRoi Dayan { 4603f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 4604a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4605a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 4606a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4607a88780a9SRoi Dayan int attr_size, err; 4608a88780a9SRoi Dayan 4609c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 4610bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 4611bf07aa73SPaul Blakey return -EOPNOTSUPP; 4612c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 4613c7569097SAriel Levkovich return -EOPNOTSUPP; 4614c7569097SAriel Levkovich } 4615bf07aa73SPaul Blakey 4616226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 4617a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 4618a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 4619a88780a9SRoi Dayan &parse_attr, &flow); 4620a88780a9SRoi Dayan if (err) 4621a88780a9SRoi Dayan goto out; 4622a88780a9SRoi Dayan 4623d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 4624c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 4625c7569097SAriel Levkovich 462654c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 462754c177caSOz Shlomo f, filter_dev); 4628d11afc26SOz Shlomo if (err) 4629d11afc26SOz Shlomo goto err_free; 4630d11afc26SOz Shlomo 4631aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 4632aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 4633aedd133dSAriel Levkovich if (err) 4634aedd133dSAriel Levkovich goto err_free; 4635aedd133dSAriel Levkovich 4636c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 4637a88780a9SRoi Dayan if (err) 4638a88780a9SRoi Dayan goto err_free; 4639a88780a9SRoi Dayan 4640c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 4641a88780a9SRoi Dayan if (err) 4642a88780a9SRoi Dayan goto err_free; 4643a88780a9SRoi Dayan 4644226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 4645a88780a9SRoi Dayan *__flow = flow; 4646a88780a9SRoi Dayan 4647a88780a9SRoi Dayan return 0; 4648a88780a9SRoi Dayan 4649a88780a9SRoi Dayan err_free: 46508914add2SVlad Buslov flow_flag_set(flow, FAILED); 46512c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 46525a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4653a88780a9SRoi Dayan out: 4654a88780a9SRoi Dayan return err; 4655a88780a9SRoi Dayan } 4656a88780a9SRoi Dayan 4657a88780a9SRoi Dayan static int 4658a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 4659f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 4660226f2ca3SVlad Buslov unsigned long flags, 4661d11afc26SOz Shlomo struct net_device *filter_dev, 4662a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 4663a88780a9SRoi Dayan { 4664a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4665226f2ca3SVlad Buslov unsigned long flow_flags; 4666a88780a9SRoi Dayan int err; 4667a88780a9SRoi Dayan 4668a88780a9SRoi Dayan get_flags(flags, &flow_flags); 4669a88780a9SRoi Dayan 4670bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 4671bf07aa73SPaul Blakey return -EOPNOTSUPP; 4672bf07aa73SPaul Blakey 4673f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 4674d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 4675d11afc26SOz Shlomo filter_dev, flow); 4676a88780a9SRoi Dayan else 4677d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 4678d11afc26SOz Shlomo filter_dev, flow); 4679a88780a9SRoi Dayan 4680a88780a9SRoi Dayan return err; 4681a88780a9SRoi Dayan } 4682a88780a9SRoi Dayan 4683553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 4684553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 4685553f9328SVu Pham { 4686553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 46872fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 46882fb15e72SVlad Buslov * function is called from NIC mode. 4689553f9328SVu Pham */ 46902fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 4691553f9328SVu Pham } 4692553f9328SVu Pham 469371d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 4694226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4695a88780a9SRoi Dayan { 4696a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 4697d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4698553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 4699a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 4700a88780a9SRoi Dayan int err = 0; 4701a88780a9SRoi Dayan 47027dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 47037dc84de9SRoi Dayan return -EAGAIN; 47047dc84de9SRoi Dayan 47057dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 47067dc84de9SRoi Dayan 4707c5d326b2SVlad Buslov rcu_read_lock(); 4708c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4709a88780a9SRoi Dayan if (flow) { 4710553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 4711553f9328SVu Pham * just return 0. 4712553f9328SVu Pham */ 4713553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 4714c1aea9e1SVlad Buslov goto rcu_unlock; 4715553f9328SVu Pham 4716a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 4717a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 4718a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 4719a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 4720a88780a9SRoi Dayan f->cookie); 47210e1c1a2fSVlad Buslov err = -EEXIST; 4722c1aea9e1SVlad Buslov goto rcu_unlock; 4723a88780a9SRoi Dayan } 4724c1aea9e1SVlad Buslov rcu_unlock: 4725c1aea9e1SVlad Buslov rcu_read_unlock(); 4726c1aea9e1SVlad Buslov if (flow) 4727c1aea9e1SVlad Buslov goto out; 4728a88780a9SRoi Dayan 47297a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 4730d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 4731a88780a9SRoi Dayan if (err) 4732a88780a9SRoi Dayan goto out; 4733a88780a9SRoi Dayan 4734553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 4735553f9328SVu Pham * set the flow's owner dev. 4736553f9328SVu Pham */ 4737553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 4738553f9328SVu Pham flow->orig_dev = dev; 4739553f9328SVu Pham 4740c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 4741a88780a9SRoi Dayan if (err) 4742a88780a9SRoi Dayan goto err_free; 4743a88780a9SRoi Dayan 47447dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4745a88780a9SRoi Dayan return 0; 4746a88780a9SRoi Dayan 4747a88780a9SRoi Dayan err_free: 47485a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4749a88780a9SRoi Dayan out: 47507dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 47517dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 4752e3a2b7edSAmir Vadai return err; 4753e3a2b7edSAmir Vadai } 4754e3a2b7edSAmir Vadai 47558f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 47568f8ae895SOr Gerlitz { 4757226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 4758226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 47598f8ae895SOr Gerlitz 4760226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 4761226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 47628f8ae895SOr Gerlitz } 47638f8ae895SOr Gerlitz 476471d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 4765226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4766e3a2b7edSAmir Vadai { 4767d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 4768e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 4769c5d326b2SVlad Buslov int err; 4770e3a2b7edSAmir Vadai 4771c5d326b2SVlad Buslov rcu_read_lock(); 4772ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 4773c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 4774c5d326b2SVlad Buslov err = -EINVAL; 4775c5d326b2SVlad Buslov goto errout; 4776c5d326b2SVlad Buslov } 4777e3a2b7edSAmir Vadai 4778c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 4779c5d326b2SVlad Buslov * set. 4780c5d326b2SVlad Buslov */ 4781c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 4782c5d326b2SVlad Buslov err = -EINVAL; 4783c5d326b2SVlad Buslov goto errout; 4784c5d326b2SVlad Buslov } 478505866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4786c5d326b2SVlad Buslov rcu_read_unlock(); 4787e3a2b7edSAmir Vadai 47887a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 47895a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4790e3a2b7edSAmir Vadai 47917dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4792e3a2b7edSAmir Vadai return 0; 4793c5d326b2SVlad Buslov 4794c5d326b2SVlad Buslov errout: 4795c5d326b2SVlad Buslov rcu_read_unlock(); 4796c5d326b2SVlad Buslov return err; 4797e3a2b7edSAmir Vadai } 4798e3a2b7edSAmir Vadai 479971d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4800226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4801aad7e08dSAmir Vadai { 480204de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4803d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 480404de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4805aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4806aad7e08dSAmir Vadai struct mlx5_fc *counter; 4807316d5f72SRoi Dayan u64 lastuse = 0; 4808316d5f72SRoi Dayan u64 packets = 0; 4809316d5f72SRoi Dayan u64 bytes = 0; 48105a7e5bcbSVlad Buslov int err = 0; 4811aad7e08dSAmir Vadai 4812c5d326b2SVlad Buslov rcu_read_lock(); 4813c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 48145a7e5bcbSVlad Buslov tc_ht_params)); 4815c5d326b2SVlad Buslov rcu_read_unlock(); 48165a7e5bcbSVlad Buslov if (IS_ERR(flow)) 48175a7e5bcbSVlad Buslov return PTR_ERR(flow); 48185a7e5bcbSVlad Buslov 48195a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 48205a7e5bcbSVlad Buslov err = -EINVAL; 48215a7e5bcbSVlad Buslov goto errout; 48225a7e5bcbSVlad Buslov } 4823aad7e08dSAmir Vadai 48244c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4825b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4826aad7e08dSAmir Vadai if (!counter) 48275a7e5bcbSVlad Buslov goto errout; 4828aad7e08dSAmir Vadai 4829aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4830316d5f72SRoi Dayan } 4831aad7e08dSAmir Vadai 4832316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4833316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4834316d5f72SRoi Dayan */ 483504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 483604de7ddaSRoi Dayan if (!peer_esw) 483704de7ddaSRoi Dayan goto out; 483804de7ddaSRoi Dayan 4839226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4840226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 484104de7ddaSRoi Dayan u64 bytes2; 484204de7ddaSRoi Dayan u64 packets2; 484304de7ddaSRoi Dayan u64 lastuse2; 484404de7ddaSRoi Dayan 484504de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4846316d5f72SRoi Dayan if (!counter) 4847316d5f72SRoi Dayan goto no_peer_counter; 484804de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 484904de7ddaSRoi Dayan 485004de7ddaSRoi Dayan bytes += bytes2; 485104de7ddaSRoi Dayan packets += packets2; 485204de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 485304de7ddaSRoi Dayan } 485404de7ddaSRoi Dayan 4855316d5f72SRoi Dayan no_peer_counter: 485604de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 485704de7ddaSRoi Dayan out: 48584b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 485993a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 48607a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 48615a7e5bcbSVlad Buslov errout: 48625a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 48635a7e5bcbSVlad Buslov return err; 4864aad7e08dSAmir Vadai } 4865aad7e08dSAmir Vadai 48661fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4867fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4868fcb64c0fSEli Cohen { 4869fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4870fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 48711fe3e316SParav Pandit u32 rate_mbps = 0; 4872fcb64c0fSEli Cohen u16 vport_num; 4873fcb64c0fSEli Cohen int err; 4874fcb64c0fSEli Cohen 4875e401a184SEli Cohen vport_num = rpriv->rep->vport; 4876e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4877e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4878e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4879e401a184SEli Cohen return -EOPNOTSUPP; 4880e401a184SEli Cohen } 4881e401a184SEli Cohen 4882fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4883fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4884fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4885fcb64c0fSEli Cohen * mbit means million bits. 4886fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4887fcb64c0fSEli Cohen * 1 mbit/sec. 4888fcb64c0fSEli Cohen */ 48891fe3e316SParav Pandit if (rate) { 48901fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 48918b90d897SParav Pandit do_div(rate, 1000000); 48928b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 48931fe3e316SParav Pandit } 48941fe3e316SParav Pandit 48952d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4896fcb64c0fSEli Cohen if (err) 4897fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4898fcb64c0fSEli Cohen 4899fcb64c0fSEli Cohen return err; 4900fcb64c0fSEli Cohen } 4901fcb64c0fSEli Cohen 4902fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4903fcb64c0fSEli Cohen struct flow_action *flow_action, 4904fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4905fcb64c0fSEli Cohen { 4906fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4907fcb64c0fSEli Cohen const struct flow_action_entry *act; 4908fcb64c0fSEli Cohen int err; 4909fcb64c0fSEli Cohen int i; 4910fcb64c0fSEli Cohen 4911fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4912fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4913fcb64c0fSEli Cohen return -EINVAL; 4914fcb64c0fSEli Cohen } 4915fcb64c0fSEli Cohen 4916fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4917fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4918fcb64c0fSEli Cohen return -EOPNOTSUPP; 4919fcb64c0fSEli Cohen } 4920fcb64c0fSEli Cohen 49210885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 49220885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4923319a1d19SJiri Pirko return -EOPNOTSUPP; 49240885ae1aSAbhiram R N } 4925319a1d19SJiri Pirko 4926fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4927fcb64c0fSEli Cohen switch (act->id) { 4928fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 49296a56e199SBaowen Zheng if (act->police.rate_pkt_ps) { 49306a56e199SBaowen Zheng NL_SET_ERR_MSG_MOD(extack, "QoS offload not support packets per second"); 49316a56e199SBaowen Zheng return -EOPNOTSUPP; 49326a56e199SBaowen Zheng } 4933fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4934fcb64c0fSEli Cohen if (err) 4935fcb64c0fSEli Cohen return err; 4936fcb64c0fSEli Cohen 4937fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4938fcb64c0fSEli Cohen break; 4939fcb64c0fSEli Cohen default: 4940fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4941fcb64c0fSEli Cohen return -EOPNOTSUPP; 4942fcb64c0fSEli Cohen } 4943fcb64c0fSEli Cohen } 4944fcb64c0fSEli Cohen 4945fcb64c0fSEli Cohen return 0; 4946fcb64c0fSEli Cohen } 4947fcb64c0fSEli Cohen 4948fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4949fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4950fcb64c0fSEli Cohen { 4951b5f814ccSEli Cohen struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 4952fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4953fcb64c0fSEli Cohen 4954b5f814ccSEli Cohen if (!mlx5_esw_qos_enabled(esw)) { 4955b5f814ccSEli Cohen NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device"); 4956b5f814ccSEli Cohen return -EOPNOTSUPP; 4957b5f814ccSEli Cohen } 4958b5f814ccSEli Cohen 49597b83355fSEli Cohen if (ma->common.prio != 1) { 4960fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4961fcb64c0fSEli Cohen return -EINVAL; 4962fcb64c0fSEli Cohen } 4963fcb64c0fSEli Cohen 4964fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4965fcb64c0fSEli Cohen } 4966fcb64c0fSEli Cohen 4967fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4968fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4969fcb64c0fSEli Cohen { 4970fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4971fcb64c0fSEli Cohen 4972fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4973fcb64c0fSEli Cohen } 4974fcb64c0fSEli Cohen 4975fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4976fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4977fcb64c0fSEli Cohen { 4978fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4979fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4980fcb64c0fSEli Cohen u64 dbytes; 4981fcb64c0fSEli Cohen u64 dpkts; 4982fcb64c0fSEli Cohen 4983fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4984fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4985fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4986fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 49874b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 498893a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4989fcb64c0fSEli Cohen } 4990fcb64c0fSEli Cohen 49914d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 49924d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 49934d8fcf21SAlaa Hleihel { 49944d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4995db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4996db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 49974d8fcf21SAlaa Hleihel u16 peer_vhca_id; 49984d8fcf21SAlaa Hleihel int bkt; 49994d8fcf21SAlaa Hleihel 50004d8fcf21SAlaa Hleihel if (!same_hw_devs(priv, peer_priv)) 50014d8fcf21SAlaa Hleihel return; 50024d8fcf21SAlaa Hleihel 50034d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 50044d8fcf21SAlaa Hleihel 5005b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 5006db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 5007db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 5008db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 5009b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 5010db76ca24SVlad Buslov 5011db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 5012db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 5013db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 5014a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 5015db76ca24SVlad Buslov 5016db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 5017db76ca24SVlad Buslov } 50184d8fcf21SAlaa Hleihel } 50194d8fcf21SAlaa Hleihel 50204d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 50214d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 50224d8fcf21SAlaa Hleihel { 50234d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 50244d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 50254d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 50264d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 50274d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 50284d8fcf21SAlaa Hleihel 50294d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 50304d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 50314d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 50324d8fcf21SAlaa Hleihel return NOTIFY_DONE; 50334d8fcf21SAlaa Hleihel 50344d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 50354d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 50364d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 50374d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 50384d8fcf21SAlaa Hleihel if (priv == peer_priv || 50394d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 50404d8fcf21SAlaa Hleihel return NOTIFY_DONE; 50414d8fcf21SAlaa Hleihel 50424d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 50434d8fcf21SAlaa Hleihel 50444d8fcf21SAlaa Hleihel return NOTIFY_DONE; 50454d8fcf21SAlaa Hleihel } 50464d8fcf21SAlaa Hleihel 50476a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 50486a064674SAriel Levkovich { 50496a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 50506a064674SAriel Levkovich u32 max_flow_counter; 50516a064674SAriel Levkovich 50526a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 50536a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 50546a064674SAriel Levkovich 50556a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 50566a064674SAriel Levkovich 50576a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 50586a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 50596a064674SAriel Levkovich 50606a064674SAriel Levkovich return tc_tbl_size; 50616a064674SAriel Levkovich } 50626a064674SAriel Levkovich 5063655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 5064e8f887acSAmir Vadai { 5065acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 50666a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 5067c9355682SChris Mi struct mapping_ctx *chains_mapping; 50686a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 50692198b932SRoi Dayan u64 mapping_id; 50704d8fcf21SAlaa Hleihel int err; 5071e8f887acSAmir Vadai 5072b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 5073b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 5074b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 50755c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 507611c9c548SOr Gerlitz 50774d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 50784d8fcf21SAlaa Hleihel if (err) 50794d8fcf21SAlaa Hleihel return err; 50804d8fcf21SAlaa Hleihel 50819ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 50829ba33339SRoi Dayan 50832198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 50842198b932SRoi Dayan 50852198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 50862198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 5087c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 50882198b932SRoi Dayan 5089c9355682SChris Mi if (IS_ERR(chains_mapping)) { 5090c9355682SChris Mi err = PTR_ERR(chains_mapping); 5091c9355682SChris Mi goto err_mapping; 5092c9355682SChris Mi } 5093c9355682SChris Mi tc->mapping = chains_mapping; 5094c9355682SChris Mi 5095c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 5096c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 5097c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 50986a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 50996a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 51006a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 51016783f0a2SVu Pham attr.default_ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 5102c9355682SChris Mi attr.mapping = chains_mapping; 51036a064674SAriel Levkovich 51046a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 51056a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 51066a064674SAriel Levkovich err = PTR_ERR(tc->chains); 51076a064674SAriel Levkovich goto err_chains; 51086a064674SAriel Levkovich } 51096a064674SAriel Levkovich 5110f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 5111aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 5112f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 5113aedd133dSAriel Levkovich 51144d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 5115d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 5116d48834f9SJiri Pirko &tc->netdevice_nb, 5117d48834f9SJiri Pirko &tc->netdevice_nn); 5118d48834f9SJiri Pirko if (err) { 51194d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 51204d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 51216a064674SAriel Levkovich goto err_reg; 51224d8fcf21SAlaa Hleihel } 51234d8fcf21SAlaa Hleihel 51246a064674SAriel Levkovich return 0; 51256a064674SAriel Levkovich 51266a064674SAriel Levkovich err_reg: 5127aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5128f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 51296a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 51306a064674SAriel Levkovich err_chains: 5131c9355682SChris Mi mapping_destroy(chains_mapping); 5132c9355682SChris Mi err_mapping: 51336a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 51344d8fcf21SAlaa Hleihel return err; 5135e8f887acSAmir Vadai } 5136e8f887acSAmir Vadai 5137e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 5138e8f887acSAmir Vadai { 5139e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 5140655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 5141e8f887acSAmir Vadai 5142961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 5143e8f887acSAmir Vadai kfree(flow); 5144e8f887acSAmir Vadai } 5145e8f887acSAmir Vadai 5146655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 5147e8f887acSAmir Vadai { 5148acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 5149e8f887acSAmir Vadai 51504d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 5151d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 5152d48834f9SJiri Pirko &tc->netdevice_nb, 5153d48834f9SJiri Pirko &tc->netdevice_nn); 51544d8fcf21SAlaa Hleihel 5155b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 5156b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 5157b32accdaSVlad Buslov 51586a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 5159e8f887acSAmir Vadai 5160acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 51616a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 5162acff797cSMaor Gottlieb tc->t = NULL; 5163e8f887acSAmir Vadai } 5164b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 51656a064674SAriel Levkovich 5166aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 5167f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 5168c9355682SChris Mi mapping_destroy(tc->mapping); 51696a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 5170e8f887acSAmir Vadai } 5171655dc3d2SOr Gerlitz 5172655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 5173655dc3d2SOr Gerlitz { 5174d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 51750a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 5176aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 51770a7fcb78SPaul Blakey struct mapping_ctx *mapping; 5178aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 5179aedd133dSAriel Levkovich struct mlx5e_priv *priv; 51802198b932SRoi Dayan u64 mapping_id; 5181aedd133dSAriel Levkovich int err = 0; 51820a7fcb78SPaul Blakey 51830a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5184aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 5185aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 5186aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 51870a7fcb78SPaul Blakey 5188f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 5189f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 5190aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 5191aedd133dSAriel Levkovich esw_chains(esw), 5192aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 5193f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 5194f0da4daaSChris Mi uplink_priv->post_act); 51954c3844d9SPaul Blakey 51964f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 51974f4edcc2SAriel Levkovich 51982741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 51992a9ab10aSChris Mi 52002198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 52012198b932SRoi Dayan 52022198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 52032198b932SRoi Dayan sizeof(struct tunnel_match_key), 52040a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 52052198b932SRoi Dayan 52060a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 52070a7fcb78SPaul Blakey err = PTR_ERR(mapping); 52080a7fcb78SPaul Blakey goto err_tun_mapping; 52090a7fcb78SPaul Blakey } 52100a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 52110a7fcb78SPaul Blakey 52123222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 52133222efd4SVlad Buslov * and bridge ingress push mark. 52143222efd4SVlad Buslov */ 52152198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 52163222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 52170a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 52180a7fcb78SPaul Blakey err = PTR_ERR(mapping); 52190a7fcb78SPaul Blakey goto err_enc_opts_mapping; 52200a7fcb78SPaul Blakey } 52210a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 52220a7fcb78SPaul Blakey 52230a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 52240a7fcb78SPaul Blakey if (err) 52250a7fcb78SPaul Blakey goto err_ht_init; 52260a7fcb78SPaul Blakey 52279ba33339SRoi Dayan lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 52289ba33339SRoi Dayan 52298914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 52302b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 52312b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 52328914add2SVlad Buslov goto err_register_fib_notifier; 52332b6c3c1eSWei Yongjun } 52348914add2SVlad Buslov 52352b6c3c1eSWei Yongjun return 0; 52360a7fcb78SPaul Blakey 52378914add2SVlad Buslov err_register_fib_notifier: 52388914add2SVlad Buslov rhashtable_destroy(tc_ht); 52390a7fcb78SPaul Blakey err_ht_init: 52400a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 52410a7fcb78SPaul Blakey err_enc_opts_mapping: 52420a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 52430a7fcb78SPaul Blakey err_tun_mapping: 52440027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 52454f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5246aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 52470a7fcb78SPaul Blakey netdev_warn(priv->netdev, 52480a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 5249f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 52500a7fcb78SPaul Blakey return err; 5251655dc3d2SOr Gerlitz } 5252655dc3d2SOr Gerlitz 5253655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 5254655dc3d2SOr Gerlitz { 52550a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 52560a7fcb78SPaul Blakey 52570a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 5258aedd133dSAriel Levkovich 52598914add2SVlad Buslov rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 52608914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 52618914add2SVlad Buslov 52620a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 52630a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 52644c3844d9SPaul Blakey 52650027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 52664f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 5267aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 5268f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 5269655dc3d2SOr Gerlitz } 527001252a27SOr Gerlitz 5271226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 527201252a27SOr Gerlitz { 5273d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 527401252a27SOr Gerlitz 527501252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 527601252a27SOr Gerlitz } 527704de7ddaSRoi Dayan 527804de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 527904de7ddaSRoi Dayan { 528004de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 528104de7ddaSRoi Dayan 528204de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 528304de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 528404de7ddaSRoi Dayan } 5285b4a23329SRoi Dayan 5286b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 5287b4a23329SRoi Dayan { 5288b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 5289b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 5290b4a23329SRoi Dayan reoffload_flows_work); 5291b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 5292b4a23329SRoi Dayan 5293ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 5294b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 5295b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 5296ad86755bSVlad Buslov unready_flow_del(flow); 5297b4a23329SRoi Dayan } 5298ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 5299b4a23329SRoi Dayan } 5300e2394a61SVlad Buslov 5301e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 5302e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 5303e2394a61SVlad Buslov unsigned long flags) 5304e2394a61SVlad Buslov { 5305e2394a61SVlad Buslov switch (cls_flower->command) { 5306e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 5307e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 5308e2394a61SVlad Buslov flags); 5309e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 5310e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 5311e2394a61SVlad Buslov flags); 5312e2394a61SVlad Buslov case FLOW_CLS_STATS: 5313e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 5314e2394a61SVlad Buslov flags); 5315e2394a61SVlad Buslov default: 5316e2394a61SVlad Buslov return -EOPNOTSUPP; 5317e2394a61SVlad Buslov } 5318e2394a61SVlad Buslov } 5319e2394a61SVlad Buslov 5320e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 5321e2394a61SVlad Buslov void *cb_priv) 5322e2394a61SVlad Buslov { 5323ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 5324e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 5325e2394a61SVlad Buslov 53262ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 53272ff349c5SRoi Dayan return -EOPNOTSUPP; 53282ff349c5SRoi Dayan 5329ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 5330ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 5331ec9457a6SRoi Dayan else 5332ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 5333ec9457a6SRoi Dayan 5334e2394a61SVlad Buslov switch (type) { 5335e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 5336e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 5337e2394a61SVlad Buslov default: 5338e2394a61SVlad Buslov return -EOPNOTSUPP; 5339e2394a61SVlad Buslov } 5340e2394a61SVlad Buslov } 5341c7569097SAriel Levkovich 5342c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 5343c7569097SAriel Levkovich struct sk_buff *skb) 5344c7569097SAriel Levkovich { 5345c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 5346aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 5347c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 5348aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 5349a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 5350c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 5351c7569097SAriel Levkovich int err; 5352c7569097SAriel Levkovich 5353c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 5354c7569097SAriel Levkovich 5355c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 5356c7569097SAriel Levkovich 5357c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 5358c7569097SAriel Levkovich if (err) { 5359c7569097SAriel Levkovich netdev_dbg(priv->netdev, 5360c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 5361c7569097SAriel Levkovich chain_tag, err); 5362c7569097SAriel Levkovich return false; 5363c7569097SAriel Levkovich } 5364c7569097SAriel Levkovich 5365a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 5366a91d98a0SChris Mi chain = mapped_obj.chain; 53679453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 5368c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 5369c7569097SAriel Levkovich return false; 5370c7569097SAriel Levkovich 5371c7569097SAriel Levkovich tc_skb_ext->chain = chain; 5372aedd133dSAriel Levkovich 5373ed2fe7baSPaul Blakey zone_restore_id = (reg_b >> REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 537448d216e5SVlad Buslov ESW_ZONE_ID_MASK; 5375aedd133dSAriel Levkovich 5376aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 5377aedd133dSAriel Levkovich zone_restore_id)) 5378aedd133dSAriel Levkovich return false; 5379a91d98a0SChris Mi } else { 5380a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 5381a91d98a0SChris Mi return false; 5382c7569097SAriel Levkovich } 5383c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 5384c7569097SAriel Levkovich 5385c7569097SAriel Levkovich return true; 5386c7569097SAriel Levkovich } 5387