1e8f887acSAmir Vadai /* 2e8f887acSAmir Vadai * Copyright (c) 2016, Mellanox Technologies. All rights reserved. 3e8f887acSAmir Vadai * 4e8f887acSAmir Vadai * This software is available to you under a choice of one of two 5e8f887acSAmir Vadai * licenses. You may choose to be licensed under the terms of the GNU 6e8f887acSAmir Vadai * General Public License (GPL) Version 2, available from the file 7e8f887acSAmir Vadai * COPYING in the main directory of this source tree, or the 8e8f887acSAmir Vadai * OpenIB.org BSD license below: 9e8f887acSAmir Vadai * 10e8f887acSAmir Vadai * Redistribution and use in source and binary forms, with or 11e8f887acSAmir Vadai * without modification, are permitted provided that the following 12e8f887acSAmir Vadai * conditions are met: 13e8f887acSAmir Vadai * 14e8f887acSAmir Vadai * - Redistributions of source code must retain the above 15e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 16e8f887acSAmir Vadai * disclaimer. 17e8f887acSAmir Vadai * 18e8f887acSAmir Vadai * - Redistributions in binary form must reproduce the above 19e8f887acSAmir Vadai * copyright notice, this list of conditions and the following 20e8f887acSAmir Vadai * disclaimer in the documentation and/or other materials 21e8f887acSAmir Vadai * provided with the distribution. 22e8f887acSAmir Vadai * 23e8f887acSAmir Vadai * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f887acSAmir Vadai * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f887acSAmir Vadai * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f887acSAmir Vadai * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f887acSAmir Vadai * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f887acSAmir Vadai * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f887acSAmir Vadai * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f887acSAmir Vadai * SOFTWARE. 31e8f887acSAmir Vadai */ 32e8f887acSAmir Vadai 33e3a2b7edSAmir Vadai #include <net/flow_dissector.h> 34e2394a61SVlad Buslov #include <net/flow_offload.h> 353f7d0eb4SOr Gerlitz #include <net/sch_generic.h> 36e3a2b7edSAmir Vadai #include <net/pkt_cls.h> 37e8f887acSAmir Vadai #include <linux/mlx5/fs.h> 38e8f887acSAmir Vadai #include <linux/mlx5/device.h> 39e8f887acSAmir Vadai #include <linux/rhashtable.h> 405a7e5bcbSVlad Buslov #include <linux/refcount.h> 41db76ca24SVlad Buslov #include <linux/completion.h> 42f6dfb4c3SHadar Hen Zion #include <net/arp.h> 433616d08bSDavid Ahern #include <net/ipv6_stubs.h> 44f828ca6aSEli Cohen #include <net/bareudp.h> 45d34eb2fcSOr Gerlitz #include <net/bonding.h> 46e8f887acSAmir Vadai #include "en.h" 47f0da4daaSChris Mi #include "en/tc/post_act.h" 481d447a39SSaeed Mahameed #include "en_rep.h" 49768c3667SVlad Buslov #include "en/rep/tc.h" 50e2394a61SVlad Buslov #include "en/rep/neigh.h" 51232c0013SHadar Hen Zion #include "en_tc.h" 5203a9d11eSOr Gerlitz #include "eswitch.h" 533f6d08d1SOr Gerlitz #include "fs_core.h" 542c81bfd5SHuy Nguyen #include "en/port.h" 55101f4de9SOz Shlomo #include "en/tc_tun.h" 560a7fcb78SPaul Blakey #include "en/mapping.h" 574c3844d9SPaul Blakey #include "en/tc_ct.h" 58b2fdf3d0SPaul Blakey #include "en/mod_hdr.h" 590d9f9647SVlad Buslov #include "en/tc_tun_encap.h" 600027d70cSChris Mi #include "en/tc/sample.h" 61fad54790SRoi Dayan #include "en/tc/act/act.h" 6204de7ddaSRoi Dayan #include "lib/devcom.h" 639272e3dfSYevgeny Kliteynik #include "lib/geneve.h" 64ae430332SAriel Levkovich #include "lib/fs_chains.h" 657a978759SDmytro Linkin #include "diag/en_tc_tracepoint.h" 661fe3e316SParav Pandit #include <asm/div64.h> 67016c8946SJakub Kicinski #include "lag/lag.h" 68016c8946SJakub Kicinski #include "lag/mp.h" 69e8f887acSAmir Vadai 70acff797cSMaor Gottlieb #define MLX5E_TC_TABLE_NUM_GROUPS 4 716a064674SAriel Levkovich #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18) 72e8f887acSAmir Vadai 738f1e0b97SPaul Blakey struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { 748f1e0b97SPaul Blakey [CHAIN_TO_REG] = { 758f1e0b97SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 768f1e0b97SPaul Blakey .moffset = 0, 77ed2fe7baSPaul Blakey .mlen = 16, 788f1e0b97SPaul Blakey }, 7910742efcSVlad Buslov [VPORT_TO_REG] = { 8010742efcSVlad Buslov .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0, 81ed2fe7baSPaul Blakey .moffset = 16, 82ed2fe7baSPaul Blakey .mlen = 16, 8310742efcSVlad Buslov }, 840a7fcb78SPaul Blakey [TUNNEL_TO_REG] = { 850a7fcb78SPaul Blakey .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1, 86ed2fe7baSPaul Blakey .moffset = 8, 87ed2fe7baSPaul Blakey .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS, 880a7fcb78SPaul Blakey .soffset = MLX5_BYTE_OFF(fte_match_param, 890a7fcb78SPaul Blakey misc_parameters_2.metadata_reg_c_1), 900a7fcb78SPaul Blakey }, 914c3844d9SPaul Blakey [ZONE_TO_REG] = zone_to_reg_ct, 92a8eb919bSPaul Blakey [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct, 934c3844d9SPaul Blakey [CTSTATE_TO_REG] = ctstate_to_reg_ct, 944c3844d9SPaul Blakey [MARK_TO_REG] = mark_to_reg_ct, 954c3844d9SPaul Blakey [LABELS_TO_REG] = labels_to_reg_ct, 964c3844d9SPaul Blakey [FTEID_TO_REG] = fteid_to_reg_ct, 9739c538d6SCai Huoqing /* For NIC rules we store the restore metadata directly 98c7569097SAriel Levkovich * into reg_b that is passed to SW since we don't 99c7569097SAriel Levkovich * jump between steering domains. 100c7569097SAriel Levkovich */ 101c7569097SAriel Levkovich [NIC_CHAIN_TO_REG] = { 102c7569097SAriel Levkovich .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B, 103c7569097SAriel Levkovich .moffset = 0, 104ed2fe7baSPaul Blakey .mlen = 16, 105c7569097SAriel Levkovich }, 106aedd133dSAriel Levkovich [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct, 1078f1e0b97SPaul Blakey }; 1088f1e0b97SPaul Blakey 1099ba33339SRoi Dayan /* To avoid false lock dependency warning set the tc_ht lock 1109ba33339SRoi Dayan * class different than the lock class of the ht being used when deleting 1119ba33339SRoi Dayan * last flow from a group and then deleting a group, we get into del_sw_flow_group() 1129ba33339SRoi Dayan * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but 1139ba33339SRoi Dayan * it's different than the ht->mutex here. 1149ba33339SRoi Dayan */ 1159ba33339SRoi Dayan static struct lock_class_key tc_ht_lock_key; 1169ba33339SRoi Dayan 1170a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow); 1180a7fcb78SPaul Blakey 1190a7fcb78SPaul Blakey void 1200a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec, 1210a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 122ed2fe7baSPaul Blakey u32 val, 1230a7fcb78SPaul Blakey u32 mask) 1240a7fcb78SPaul Blakey { 125ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1260a7fcb78SPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 127ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1280a7fcb78SPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 129ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 130ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 131ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1320a7fcb78SPaul Blakey 1330a7fcb78SPaul Blakey fmask = headers_c + soffset; 1340a7fcb78SPaul Blakey fval = headers_v + soffset; 1350a7fcb78SPaul Blakey 136ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 137ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1380a7fcb78SPaul Blakey 139ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 140ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 141ed2fe7baSPaul Blakey 142ed2fe7baSPaul Blakey //move to correct offset 143ed2fe7baSPaul Blakey WARN_ON(mask > max_mask); 144ed2fe7baSPaul Blakey mask <<= moffset; 145ed2fe7baSPaul Blakey val <<= moffset; 146ed2fe7baSPaul Blakey max_mask <<= moffset; 147ed2fe7baSPaul Blakey 148ed2fe7baSPaul Blakey //zero val and mask 149ed2fe7baSPaul Blakey curr_mask &= ~max_mask; 150ed2fe7baSPaul Blakey curr_val &= ~max_mask; 151ed2fe7baSPaul Blakey 152ed2fe7baSPaul Blakey //add current to mask 153ed2fe7baSPaul Blakey curr_mask |= mask; 154ed2fe7baSPaul Blakey curr_val |= val; 155ed2fe7baSPaul Blakey 156ed2fe7baSPaul Blakey //back to be32 and write 157ed2fe7baSPaul Blakey curr_mask_be = cpu_to_be32(curr_mask); 158ed2fe7baSPaul Blakey curr_val_be = cpu_to_be32(curr_val); 159ed2fe7baSPaul Blakey 160ed2fe7baSPaul Blakey memcpy(fmask, &curr_mask_be, 4); 161ed2fe7baSPaul Blakey memcpy(fval, &curr_val_be, 4); 1620a7fcb78SPaul Blakey 1630a7fcb78SPaul Blakey spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2; 1640a7fcb78SPaul Blakey } 1650a7fcb78SPaul Blakey 1667e36feebSPaul Blakey void 1677e36feebSPaul Blakey mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec, 1687e36feebSPaul Blakey enum mlx5e_tc_attr_to_reg type, 169ed2fe7baSPaul Blakey u32 *val, 1707e36feebSPaul Blakey u32 *mask) 1717e36feebSPaul Blakey { 172ed2fe7baSPaul Blakey void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval; 1737e36feebSPaul Blakey int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset; 174ed2fe7baSPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 1757e36feebSPaul Blakey int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen; 176ed2fe7baSPaul Blakey u32 max_mask = GENMASK(match_len - 1, 0); 177ed2fe7baSPaul Blakey __be32 curr_mask_be, curr_val_be; 178ed2fe7baSPaul Blakey u32 curr_mask, curr_val; 1797e36feebSPaul Blakey 1807e36feebSPaul Blakey fmask = headers_c + soffset; 1817e36feebSPaul Blakey fval = headers_v + soffset; 1827e36feebSPaul Blakey 183ed2fe7baSPaul Blakey memcpy(&curr_mask_be, fmask, 4); 184ed2fe7baSPaul Blakey memcpy(&curr_val_be, fval, 4); 1857e36feebSPaul Blakey 186ed2fe7baSPaul Blakey curr_mask = be32_to_cpu(curr_mask_be); 187ed2fe7baSPaul Blakey curr_val = be32_to_cpu(curr_val_be); 188ed2fe7baSPaul Blakey 189ed2fe7baSPaul Blakey *mask = (curr_mask >> moffset) & max_mask; 190ed2fe7baSPaul Blakey *val = (curr_val >> moffset) & max_mask; 1917e36feebSPaul Blakey } 1927e36feebSPaul Blakey 1930a7fcb78SPaul Blakey int 194c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev, 1950a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 196aedd133dSAriel Levkovich enum mlx5_flow_namespace_type ns, 1970a7fcb78SPaul Blakey enum mlx5e_tc_attr_to_reg type, 1980a7fcb78SPaul Blakey u32 data) 1990a7fcb78SPaul Blakey { 2000a7fcb78SPaul Blakey int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 2010a7fcb78SPaul Blakey int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 2020a7fcb78SPaul Blakey int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 2030a7fcb78SPaul Blakey char *modact; 2040a7fcb78SPaul Blakey int err; 2050a7fcb78SPaul Blakey 2062c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts); 2072c0e5cf5SPaul Blakey if (IS_ERR(modact)) 2082c0e5cf5SPaul Blakey return PTR_ERR(modact); 2090a7fcb78SPaul Blakey 2100a7fcb78SPaul Blakey /* Firmware has 5bit length field and 0 means 32bits */ 211ed2fe7baSPaul Blakey if (mlen == 32) 2120a7fcb78SPaul Blakey mlen = 0; 2130a7fcb78SPaul Blakey 2140a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 2150a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, field, mfield); 216ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 217ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 2180a7fcb78SPaul Blakey MLX5_SET(set_action_in, modact, data, data); 219c7b9038dSVlad Buslov err = mod_hdr_acts->num_actions; 2200a7fcb78SPaul Blakey mod_hdr_acts->num_actions++; 2210a7fcb78SPaul Blakey 222c7b9038dSVlad Buslov return err; 2230a7fcb78SPaul Blakey } 2240a7fcb78SPaul Blakey 22527484f71SAriel Levkovich struct mlx5e_tc_int_port_priv * 22627484f71SAriel Levkovich mlx5e_get_int_port_priv(struct mlx5e_priv *priv) 22727484f71SAriel Levkovich { 22827484f71SAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 22927484f71SAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 23027484f71SAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 23127484f71SAriel Levkovich 23227484f71SAriel Levkovich if (is_mdev_switchdev_mode(priv->mdev)) { 23327484f71SAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 23427484f71SAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 23527484f71SAriel Levkovich 23627484f71SAriel Levkovich return uplink_priv->int_port_priv; 23727484f71SAriel Levkovich } 23827484f71SAriel Levkovich 23927484f71SAriel Levkovich return NULL; 24027484f71SAriel Levkovich } 24127484f71SAriel Levkovich 242aedd133dSAriel Levkovich static struct mlx5_tc_ct_priv * 243aedd133dSAriel Levkovich get_ct_priv(struct mlx5e_priv *priv) 244aedd133dSAriel Levkovich { 245aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 246aedd133dSAriel Levkovich struct mlx5_rep_uplink_priv *uplink_priv; 247aedd133dSAriel Levkovich struct mlx5e_rep_priv *uplink_rpriv; 248aedd133dSAriel Levkovich 249e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 250aedd133dSAriel Levkovich uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 251aedd133dSAriel Levkovich uplink_priv = &uplink_rpriv->uplink_priv; 252aedd133dSAriel Levkovich 253aedd133dSAriel Levkovich return uplink_priv->ct_priv; 254aedd133dSAriel Levkovich } 255aedd133dSAriel Levkovich 256aedd133dSAriel Levkovich return priv->fs.tc.ct; 257aedd133dSAriel Levkovich } 258aedd133dSAriel Levkovich 2590027d70cSChris Mi static struct mlx5e_tc_psample * 260f94d6389SChris Mi get_sample_priv(struct mlx5e_priv *priv) 261f94d6389SChris Mi { 262f94d6389SChris Mi struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 263f94d6389SChris Mi struct mlx5_rep_uplink_priv *uplink_priv; 264f94d6389SChris Mi struct mlx5e_rep_priv *uplink_rpriv; 265f94d6389SChris Mi 266f94d6389SChris Mi if (is_mdev_switchdev_mode(priv->mdev)) { 267f94d6389SChris Mi uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 268f94d6389SChris Mi uplink_priv = &uplink_rpriv->uplink_priv; 269f94d6389SChris Mi 2700027d70cSChris Mi return uplink_priv->tc_psample; 271f94d6389SChris Mi } 272f94d6389SChris Mi 273f94d6389SChris Mi return NULL; 274f94d6389SChris Mi } 275f94d6389SChris Mi 276aedd133dSAriel Levkovich struct mlx5_flow_handle * 277aedd133dSAriel Levkovich mlx5_tc_rule_insert(struct mlx5e_priv *priv, 278aedd133dSAriel Levkovich struct mlx5_flow_spec *spec, 279aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 280aedd133dSAriel Levkovich { 281aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 282aedd133dSAriel Levkovich 283e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) 284aedd133dSAriel Levkovich return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 285aedd133dSAriel Levkovich 286aedd133dSAriel Levkovich return mlx5e_add_offloaded_nic_rule(priv, spec, attr); 287aedd133dSAriel Levkovich } 288aedd133dSAriel Levkovich 289aedd133dSAriel Levkovich void 290aedd133dSAriel Levkovich mlx5_tc_rule_delete(struct mlx5e_priv *priv, 291aedd133dSAriel Levkovich struct mlx5_flow_handle *rule, 292aedd133dSAriel Levkovich struct mlx5_flow_attr *attr) 293aedd133dSAriel Levkovich { 294aedd133dSAriel Levkovich struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 295aedd133dSAriel Levkovich 296e8711402SLeon Romanovsky if (is_mdev_switchdev_mode(priv->mdev)) { 297aedd133dSAriel Levkovich mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 298aedd133dSAriel Levkovich 299aedd133dSAriel Levkovich return; 300aedd133dSAriel Levkovich } 301aedd133dSAriel Levkovich 302aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, rule, attr); 303aedd133dSAriel Levkovich } 304aedd133dSAriel Levkovich 305c7b9038dSVlad Buslov int 306c7b9038dSVlad Buslov mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev, 307c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 308c7b9038dSVlad Buslov enum mlx5_flow_namespace_type ns, 309c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 310c7b9038dSVlad Buslov u32 data) 311c7b9038dSVlad Buslov { 312c7b9038dSVlad Buslov int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data); 313c7b9038dSVlad Buslov 314c7b9038dSVlad Buslov return ret < 0 ? ret : 0; 315c7b9038dSVlad Buslov } 316c7b9038dSVlad Buslov 317c7b9038dSVlad Buslov void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev, 318c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts, 319c7b9038dSVlad Buslov enum mlx5e_tc_attr_to_reg type, 320c7b9038dSVlad Buslov int act_id, u32 data) 321c7b9038dSVlad Buslov { 322c7b9038dSVlad Buslov int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset; 323c7b9038dSVlad Buslov int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield; 324c7b9038dSVlad Buslov int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen; 325c7b9038dSVlad Buslov char *modact; 326c7b9038dSVlad Buslov 3272c0e5cf5SPaul Blakey modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id); 328c7b9038dSVlad Buslov 329c7b9038dSVlad Buslov /* Firmware has 5bit length field and 0 means 32bits */ 330ed2fe7baSPaul Blakey if (mlen == 32) 331c7b9038dSVlad Buslov mlen = 0; 332c7b9038dSVlad Buslov 333c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET); 334c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, field, mfield); 335ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, offset, moffset); 336ed2fe7baSPaul Blakey MLX5_SET(set_action_in, modact, length, mlen); 337c7b9038dSVlad Buslov MLX5_SET(set_action_in, modact, data, data); 338c7b9038dSVlad Buslov } 339c7b9038dSVlad Buslov 34077ab67b7SOr Gerlitz struct mlx5e_hairpin { 34177ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 34277ab67b7SOr Gerlitz 34377ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev; 3443f6d08d1SOr Gerlitz struct mlx5e_priv *func_priv; 34577ab67b7SOr Gerlitz u32 tdn; 346a6696735SMaxim Mikityanskiy struct mlx5e_tir direct_tir; 3473f6d08d1SOr Gerlitz 3483f6d08d1SOr Gerlitz int num_channels; 3493f6d08d1SOr Gerlitz struct mlx5e_rqt indir_rqt; 350a6696735SMaxim Mikityanskiy struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS]; 351f4b45940SMaor Gottlieb struct mlx5_ttc_table *ttc; 35277ab67b7SOr Gerlitz }; 35377ab67b7SOr Gerlitz 3545c65c564SOr Gerlitz struct mlx5e_hairpin_entry { 3555c65c564SOr Gerlitz /* a node of a hash table which keeps all the hairpin entries */ 3565c65c564SOr Gerlitz struct hlist_node hairpin_hlist; 3575c65c564SOr Gerlitz 35873edca73SVlad Buslov /* protects flows list */ 35973edca73SVlad Buslov spinlock_t flows_lock; 3605c65c564SOr Gerlitz /* flows sharing the same hairpin */ 3615c65c564SOr Gerlitz struct list_head flows; 362db76ca24SVlad Buslov /* hpe's that were not fully initialized when dead peer update event 363db76ca24SVlad Buslov * function traversed them. 364db76ca24SVlad Buslov */ 365db76ca24SVlad Buslov struct list_head dead_peer_wait_list; 3665c65c564SOr Gerlitz 367d8822868SOr Gerlitz u16 peer_vhca_id; 368106be53bSOr Gerlitz u8 prio; 3695c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 370e4f9abbdSVlad Buslov refcount_t refcnt; 371db76ca24SVlad Buslov struct completion res_ready; 3725c65c564SOr Gerlitz }; 3735c65c564SOr Gerlitz 3745a7e5bcbSVlad Buslov static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 3755a7e5bcbSVlad Buslov struct mlx5e_tc_flow *flow); 3765a7e5bcbSVlad Buslov 3770d9f9647SVlad Buslov struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow) 3785a7e5bcbSVlad Buslov { 3795a7e5bcbSVlad Buslov if (!flow || !refcount_inc_not_zero(&flow->refcnt)) 3805a7e5bcbSVlad Buslov return ERR_PTR(-EINVAL); 3815a7e5bcbSVlad Buslov return flow; 3825a7e5bcbSVlad Buslov } 3835a7e5bcbSVlad Buslov 3840d9f9647SVlad Buslov void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 3855a7e5bcbSVlad Buslov { 3865a7e5bcbSVlad Buslov if (refcount_dec_and_test(&flow->refcnt)) { 3875a7e5bcbSVlad Buslov mlx5e_tc_del_flow(priv, flow); 388c5d326b2SVlad Buslov kfree_rcu(flow, rcu_head); 3895a7e5bcbSVlad Buslov } 3905a7e5bcbSVlad Buslov } 3915a7e5bcbSVlad Buslov 392aedd133dSAriel Levkovich bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow) 393226f2ca3SVlad Buslov { 394226f2ca3SVlad Buslov return flow_flag_test(flow, ESWITCH); 395226f2ca3SVlad Buslov } 396226f2ca3SVlad Buslov 39767d62ee7SRoi Dayan bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow) 39884179981SPaul Blakey { 39984179981SPaul Blakey return flow_flag_test(flow, FT); 40084179981SPaul Blakey } 40184179981SPaul Blakey 4020d9f9647SVlad Buslov bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow) 403226f2ca3SVlad Buslov { 404226f2ca3SVlad Buslov return flow_flag_test(flow, OFFLOADED); 405226f2ca3SVlad Buslov } 406226f2ca3SVlad Buslov 407e36db1eeSRoi Dayan int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow) 408d2faae25SVlad Buslov { 409d2faae25SVlad Buslov return mlx5e_is_eswitch_flow(flow) ? 410d2faae25SVlad Buslov MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL; 411d2faae25SVlad Buslov } 412b2fdf3d0SPaul Blakey 413b2fdf3d0SPaul Blakey static struct mod_hdr_tbl * 414b2fdf3d0SPaul Blakey get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) 415b2fdf3d0SPaul Blakey { 416b2fdf3d0SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 417b2fdf3d0SPaul Blakey 418e36db1eeSRoi Dayan return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ? 419b2fdf3d0SPaul Blakey &esw->offloads.mod_hdr : 420b2fdf3d0SPaul Blakey &priv->fs.tc.mod_hdr; 421b2fdf3d0SPaul Blakey } 422b2fdf3d0SPaul Blakey 42311c9c548SOr Gerlitz static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, 42411c9c548SOr Gerlitz struct mlx5e_tc_flow *flow, 42511c9c548SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr) 42611c9c548SOr Gerlitz { 427b2fdf3d0SPaul Blakey struct mlx5_modify_hdr *modify_hdr; 428b2fdf3d0SPaul Blakey struct mlx5e_mod_hdr_handle *mh; 42911c9c548SOr Gerlitz 430b2fdf3d0SPaul Blakey mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow), 431e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 432b2fdf3d0SPaul Blakey &parse_attr->mod_hdr_acts); 433b2fdf3d0SPaul Blakey if (IS_ERR(mh)) 434b2fdf3d0SPaul Blakey return PTR_ERR(mh); 43511c9c548SOr Gerlitz 436b2fdf3d0SPaul Blakey modify_hdr = mlx5e_mod_hdr_get(mh); 437c620b772SAriel Levkovich flow->attr->modify_hdr = modify_hdr; 438b2fdf3d0SPaul Blakey flow->mh = mh; 43911c9c548SOr Gerlitz 44011c9c548SOr Gerlitz return 0; 44111c9c548SOr Gerlitz } 44211c9c548SOr Gerlitz 44311c9c548SOr Gerlitz static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, 44411c9c548SOr Gerlitz struct mlx5e_tc_flow *flow) 44511c9c548SOr Gerlitz { 4465a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 447dd58edc3SVlad Buslov if (!flow->mh) 4485a7e5bcbSVlad Buslov return; 4495a7e5bcbSVlad Buslov 450b2fdf3d0SPaul Blakey mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow), 451b2fdf3d0SPaul Blakey flow->mh); 452dd58edc3SVlad Buslov flow->mh = NULL; 45311c9c548SOr Gerlitz } 45411c9c548SOr Gerlitz 45577ab67b7SOr Gerlitz static 45677ab67b7SOr Gerlitz struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex) 45777ab67b7SOr Gerlitz { 458b1c2f631SDima Chumak struct mlx5_core_dev *mdev; 45977ab67b7SOr Gerlitz struct net_device *netdev; 46077ab67b7SOr Gerlitz struct mlx5e_priv *priv; 46177ab67b7SOr Gerlitz 462b1c2f631SDima Chumak netdev = dev_get_by_index(net, ifindex); 463b1c2f631SDima Chumak if (!netdev) 464b1c2f631SDima Chumak return ERR_PTR(-ENODEV); 465b1c2f631SDima Chumak 46677ab67b7SOr Gerlitz priv = netdev_priv(netdev); 467b1c2f631SDima Chumak mdev = priv->mdev; 468b1c2f631SDima Chumak dev_put(netdev); 469b1c2f631SDima Chumak 470b1c2f631SDima Chumak /* Mirred tc action holds a refcount on the ifindex net_device (see 471b1c2f631SDima Chumak * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev 472b1c2f631SDima Chumak * after dev_put(netdev), while we're in the context of adding a tc flow. 473b1c2f631SDima Chumak * 474b1c2f631SDima Chumak * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then 475b1c2f631SDima Chumak * stored in a hairpin object, which exists until all flows, that refer to it, get 476b1c2f631SDima Chumak * removed. 477b1c2f631SDima Chumak * 478b1c2f631SDima Chumak * On the other hand, after a hairpin object has been created, the peer net_device may 479b1c2f631SDima Chumak * be removed/unbound while there are still some hairpin flows that are using it. This 480b1c2f631SDima Chumak * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to 481b1c2f631SDima Chumak * NETDEV_UNREGISTER event of the peer net_device. 482b1c2f631SDima Chumak */ 483b1c2f631SDima Chumak return mdev; 48477ab67b7SOr Gerlitz } 48577ab67b7SOr Gerlitz 48677ab67b7SOr Gerlitz static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp) 48777ab67b7SOr Gerlitz { 488a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 48977ab67b7SOr Gerlitz int err; 49077ab67b7SOr Gerlitz 491a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 492a6696735SMaxim Mikityanskiy if (!builder) 493a6696735SMaxim Mikityanskiy return -ENOMEM; 494a6696735SMaxim Mikityanskiy 49577ab67b7SOr Gerlitz err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn); 49677ab67b7SOr Gerlitz if (err) 497a6696735SMaxim Mikityanskiy goto out; 49877ab67b7SOr Gerlitz 499a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]); 500a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false); 50177ab67b7SOr Gerlitz if (err) 50277ab67b7SOr Gerlitz goto create_tir_err; 50377ab67b7SOr Gerlitz 504a6696735SMaxim Mikityanskiy out: 505a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 506a6696735SMaxim Mikityanskiy return err; 50777ab67b7SOr Gerlitz 50877ab67b7SOr Gerlitz create_tir_err: 50977ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 510a6696735SMaxim Mikityanskiy 511a6696735SMaxim Mikityanskiy goto out; 51277ab67b7SOr Gerlitz } 51377ab67b7SOr Gerlitz 51477ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp) 51577ab67b7SOr Gerlitz { 516a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->direct_tir); 51777ab67b7SOr Gerlitz mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn); 51877ab67b7SOr Gerlitz } 51977ab67b7SOr Gerlitz 5203f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) 5213f6d08d1SOr Gerlitz { 5223f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 5233f6d08d1SOr Gerlitz struct mlx5_core_dev *mdev = priv->mdev; 52406e9f13aSMaxim Mikityanskiy struct mlx5e_rss_params_indir *indir; 52506e9f13aSMaxim Mikityanskiy int err; 5263f6d08d1SOr Gerlitz 52706e9f13aSMaxim Mikityanskiy indir = kvmalloc(sizeof(*indir), GFP_KERNEL); 52806e9f13aSMaxim Mikityanskiy if (!indir) 5293f6d08d1SOr Gerlitz return -ENOMEM; 5303f6d08d1SOr Gerlitz 53143befe99SMaxim Mikityanskiy mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); 53206e9f13aSMaxim Mikityanskiy err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, 53343ec0f41SMaxim Mikityanskiy mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc, 53443ec0f41SMaxim Mikityanskiy indir); 5353f6d08d1SOr Gerlitz 53606e9f13aSMaxim Mikityanskiy kvfree(indir); 5373f6d08d1SOr Gerlitz return err; 5383f6d08d1SOr Gerlitz } 5393f6d08d1SOr Gerlitz 5403f6d08d1SOr Gerlitz static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp) 5413f6d08d1SOr Gerlitz { 5423f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 54343ec0f41SMaxim Mikityanskiy struct mlx5e_rss_params_hash rss_hash; 544d443c6f6SMaor Gottlieb enum mlx5_traffic_types tt, max_tt; 545a6696735SMaxim Mikityanskiy struct mlx5e_tir_builder *builder; 546a6696735SMaxim Mikityanskiy int err = 0; 547a6696735SMaxim Mikityanskiy 548a6696735SMaxim Mikityanskiy builder = mlx5e_tir_builder_alloc(false); 549a6696735SMaxim Mikityanskiy if (!builder) 550a6696735SMaxim Mikityanskiy return -ENOMEM; 551a6696735SMaxim Mikityanskiy 55243ec0f41SMaxim Mikityanskiy rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res); 5533f6d08d1SOr Gerlitz 5543f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { 55565d6b6e5SMaxim Mikityanskiy struct mlx5e_rss_params_traffic_type rss_tt; 556d930ac79SAya Levin 55765d6b6e5SMaxim Mikityanskiy rss_tt = mlx5e_rss_get_default_tt_config(tt); 5583f6d08d1SOr Gerlitz 559a6696735SMaxim Mikityanskiy mlx5e_tir_builder_build_rqt(builder, hp->tdn, 560a6696735SMaxim Mikityanskiy mlx5e_rqt_get_rqtn(&hp->indir_rqt), 561a6696735SMaxim Mikityanskiy false); 56243ec0f41SMaxim Mikityanskiy mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false); 563bbeb53b8SAya Levin 564a6696735SMaxim Mikityanskiy err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false); 5653f6d08d1SOr Gerlitz if (err) { 5663f6d08d1SOr Gerlitz mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err); 5673f6d08d1SOr Gerlitz goto err_destroy_tirs; 5683f6d08d1SOr Gerlitz } 569a6696735SMaxim Mikityanskiy 570a6696735SMaxim Mikityanskiy mlx5e_tir_builder_clear(builder); 5713f6d08d1SOr Gerlitz } 572a6696735SMaxim Mikityanskiy 573a6696735SMaxim Mikityanskiy out: 574a6696735SMaxim Mikityanskiy mlx5e_tir_builder_free(builder); 575a6696735SMaxim Mikityanskiy return err; 5763f6d08d1SOr Gerlitz 5773f6d08d1SOr Gerlitz err_destroy_tirs: 578a6696735SMaxim Mikityanskiy max_tt = tt; 579a6696735SMaxim Mikityanskiy for (tt = 0; tt < max_tt; tt++) 580a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 581a6696735SMaxim Mikityanskiy 582a6696735SMaxim Mikityanskiy goto out; 5833f6d08d1SOr Gerlitz } 5843f6d08d1SOr Gerlitz 5853f6d08d1SOr Gerlitz static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp) 5863f6d08d1SOr Gerlitz { 5873f6d08d1SOr Gerlitz int tt; 5883f6d08d1SOr Gerlitz 5893f6d08d1SOr Gerlitz for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) 590a6696735SMaxim Mikityanskiy mlx5e_tir_destroy(&hp->indir_tir[tt]); 5913f6d08d1SOr Gerlitz } 5923f6d08d1SOr Gerlitz 5933f6d08d1SOr Gerlitz static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp, 5943f6d08d1SOr Gerlitz struct ttc_params *ttc_params) 5953f6d08d1SOr Gerlitz { 5963f6d08d1SOr Gerlitz struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr; 5973f6d08d1SOr Gerlitz int tt; 5983f6d08d1SOr Gerlitz 5993f6d08d1SOr Gerlitz memset(ttc_params, 0, sizeof(*ttc_params)); 6003f6d08d1SOr Gerlitz 601bc29764eSMaor Gottlieb ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev, 602bc29764eSMaor Gottlieb MLX5_FLOW_NAMESPACE_KERNEL); 603bc29764eSMaor Gottlieb for (tt = 0; tt < MLX5_NUM_TT; tt++) { 604bc29764eSMaor Gottlieb ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 605bc29764eSMaor Gottlieb ttc_params->dests[tt].tir_num = 606bc29764eSMaor Gottlieb tt == MLX5_TT_ANY ? 607bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->direct_tir) : 608bc29764eSMaor Gottlieb mlx5e_tir_get_tirn(&hp->indir_tir[tt]); 609bc29764eSMaor Gottlieb } 6103f6d08d1SOr Gerlitz 6113f6d08d1SOr Gerlitz ft_attr->level = MLX5E_TC_TTC_FT_LEVEL; 6123f6d08d1SOr Gerlitz ft_attr->prio = MLX5E_TC_PRIO; 6133f6d08d1SOr Gerlitz } 6143f6d08d1SOr Gerlitz 6153f6d08d1SOr Gerlitz static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp) 6163f6d08d1SOr Gerlitz { 6173f6d08d1SOr Gerlitz struct mlx5e_priv *priv = hp->func_priv; 6183f6d08d1SOr Gerlitz struct ttc_params ttc_params; 6193f6d08d1SOr Gerlitz int err; 6203f6d08d1SOr Gerlitz 6213f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_rqt(hp); 6223f6d08d1SOr Gerlitz if (err) 6233f6d08d1SOr Gerlitz return err; 6243f6d08d1SOr Gerlitz 6253f6d08d1SOr Gerlitz err = mlx5e_hairpin_create_indirect_tirs(hp); 6263f6d08d1SOr Gerlitz if (err) 6273f6d08d1SOr Gerlitz goto err_create_indirect_tirs; 6283f6d08d1SOr Gerlitz 6293f6d08d1SOr Gerlitz mlx5e_hairpin_set_ttc_params(hp, &ttc_params); 630f4b45940SMaor Gottlieb hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); 631f4b45940SMaor Gottlieb if (IS_ERR(hp->ttc)) { 632f4b45940SMaor Gottlieb err = PTR_ERR(hp->ttc); 6333f6d08d1SOr Gerlitz goto err_create_ttc_table; 634f4b45940SMaor Gottlieb } 6353f6d08d1SOr Gerlitz 6363f6d08d1SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n", 637f4b45940SMaor Gottlieb hp->num_channels, 638f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(priv->fs.ttc)->id); 6393f6d08d1SOr Gerlitz 6403f6d08d1SOr Gerlitz return 0; 6413f6d08d1SOr Gerlitz 6423f6d08d1SOr Gerlitz err_create_ttc_table: 6433f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 6443f6d08d1SOr Gerlitz err_create_indirect_tirs: 64506e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6463f6d08d1SOr Gerlitz 6473f6d08d1SOr Gerlitz return err; 6483f6d08d1SOr Gerlitz } 6493f6d08d1SOr Gerlitz 6503f6d08d1SOr Gerlitz static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp) 6513f6d08d1SOr Gerlitz { 652f4b45940SMaor Gottlieb mlx5_destroy_ttc_table(hp->ttc); 6533f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_indirect_tirs(hp); 65406e9f13aSMaxim Mikityanskiy mlx5e_rqt_destroy(&hp->indir_rqt); 6553f6d08d1SOr Gerlitz } 6563f6d08d1SOr Gerlitz 65777ab67b7SOr Gerlitz static struct mlx5e_hairpin * 65877ab67b7SOr Gerlitz mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params, 65977ab67b7SOr Gerlitz int peer_ifindex) 66077ab67b7SOr Gerlitz { 66177ab67b7SOr Gerlitz struct mlx5_core_dev *func_mdev, *peer_mdev; 66277ab67b7SOr Gerlitz struct mlx5e_hairpin *hp; 66377ab67b7SOr Gerlitz struct mlx5_hairpin *pair; 66477ab67b7SOr Gerlitz int err; 66577ab67b7SOr Gerlitz 66677ab67b7SOr Gerlitz hp = kzalloc(sizeof(*hp), GFP_KERNEL); 66777ab67b7SOr Gerlitz if (!hp) 66877ab67b7SOr Gerlitz return ERR_PTR(-ENOMEM); 66977ab67b7SOr Gerlitz 67077ab67b7SOr Gerlitz func_mdev = priv->mdev; 67177ab67b7SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 672b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 673b1c2f631SDima Chumak err = PTR_ERR(peer_mdev); 674b1c2f631SDima Chumak goto create_pair_err; 675b1c2f631SDima Chumak } 67677ab67b7SOr Gerlitz 67777ab67b7SOr Gerlitz pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params); 67877ab67b7SOr Gerlitz if (IS_ERR(pair)) { 67977ab67b7SOr Gerlitz err = PTR_ERR(pair); 68077ab67b7SOr Gerlitz goto create_pair_err; 68177ab67b7SOr Gerlitz } 68277ab67b7SOr Gerlitz hp->pair = pair; 68377ab67b7SOr Gerlitz hp->func_mdev = func_mdev; 6843f6d08d1SOr Gerlitz hp->func_priv = priv; 6853f6d08d1SOr Gerlitz hp->num_channels = params->num_channels; 68677ab67b7SOr Gerlitz 68777ab67b7SOr Gerlitz err = mlx5e_hairpin_create_transport(hp); 68877ab67b7SOr Gerlitz if (err) 68977ab67b7SOr Gerlitz goto create_transport_err; 69077ab67b7SOr Gerlitz 6913f6d08d1SOr Gerlitz if (hp->num_channels > 1) { 6923f6d08d1SOr Gerlitz err = mlx5e_hairpin_rss_init(hp); 6933f6d08d1SOr Gerlitz if (err) 6943f6d08d1SOr Gerlitz goto rss_init_err; 6953f6d08d1SOr Gerlitz } 6963f6d08d1SOr Gerlitz 69777ab67b7SOr Gerlitz return hp; 69877ab67b7SOr Gerlitz 6993f6d08d1SOr Gerlitz rss_init_err: 7003f6d08d1SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 70177ab67b7SOr Gerlitz create_transport_err: 70277ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 70377ab67b7SOr Gerlitz create_pair_err: 70477ab67b7SOr Gerlitz kfree(hp); 70577ab67b7SOr Gerlitz return ERR_PTR(err); 70677ab67b7SOr Gerlitz } 70777ab67b7SOr Gerlitz 70877ab67b7SOr Gerlitz static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp) 70977ab67b7SOr Gerlitz { 7103f6d08d1SOr Gerlitz if (hp->num_channels > 1) 7113f6d08d1SOr Gerlitz mlx5e_hairpin_rss_cleanup(hp); 71277ab67b7SOr Gerlitz mlx5e_hairpin_destroy_transport(hp); 71377ab67b7SOr Gerlitz mlx5_core_hairpin_destroy(hp->pair); 71477ab67b7SOr Gerlitz kvfree(hp); 71577ab67b7SOr Gerlitz } 71677ab67b7SOr Gerlitz 717106be53bSOr Gerlitz static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio) 718106be53bSOr Gerlitz { 719106be53bSOr Gerlitz return (peer_vhca_id << 16 | prio); 720106be53bSOr Gerlitz } 721106be53bSOr Gerlitz 7225c65c564SOr Gerlitz static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv, 723106be53bSOr Gerlitz u16 peer_vhca_id, u8 prio) 7245c65c564SOr Gerlitz { 7255c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 726106be53bSOr Gerlitz u32 hash_key = hash_hairpin_info(peer_vhca_id, prio); 7275c65c564SOr Gerlitz 7285c65c564SOr Gerlitz hash_for_each_possible(priv->fs.tc.hairpin_tbl, hpe, 729106be53bSOr Gerlitz hairpin_hlist, hash_key) { 730e4f9abbdSVlad Buslov if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) { 731e4f9abbdSVlad Buslov refcount_inc(&hpe->refcnt); 7325c65c564SOr Gerlitz return hpe; 7335c65c564SOr Gerlitz } 734e4f9abbdSVlad Buslov } 7355c65c564SOr Gerlitz 7365c65c564SOr Gerlitz return NULL; 7375c65c564SOr Gerlitz } 7385c65c564SOr Gerlitz 739e4f9abbdSVlad Buslov static void mlx5e_hairpin_put(struct mlx5e_priv *priv, 740e4f9abbdSVlad Buslov struct mlx5e_hairpin_entry *hpe) 741e4f9abbdSVlad Buslov { 742e4f9abbdSVlad Buslov /* no more hairpin flows for us, release the hairpin pair */ 743b32accdaSVlad Buslov if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs.tc.hairpin_tbl_lock)) 744e4f9abbdSVlad Buslov return; 745b32accdaSVlad Buslov hash_del(&hpe->hairpin_hlist); 746b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 747e4f9abbdSVlad Buslov 748db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp)) { 749e4f9abbdSVlad Buslov netdev_dbg(priv->netdev, "del hairpin: peer %s\n", 750e4f9abbdSVlad Buslov dev_name(hpe->hp->pair->peer_mdev->device)); 751e4f9abbdSVlad Buslov 752e4f9abbdSVlad Buslov mlx5e_hairpin_destroy(hpe->hp); 753db76ca24SVlad Buslov } 754db76ca24SVlad Buslov 755db76ca24SVlad Buslov WARN_ON(!list_empty(&hpe->flows)); 756e4f9abbdSVlad Buslov kfree(hpe); 757e4f9abbdSVlad Buslov } 758e4f9abbdSVlad Buslov 759106be53bSOr Gerlitz #define UNKNOWN_MATCH_PRIO 8 760106be53bSOr Gerlitz 761106be53bSOr Gerlitz static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv, 762e98bedf5SEli Britstein struct mlx5_flow_spec *spec, u8 *match_prio, 763e98bedf5SEli Britstein struct netlink_ext_ack *extack) 764106be53bSOr Gerlitz { 765106be53bSOr Gerlitz void *headers_c, *headers_v; 766106be53bSOr Gerlitz u8 prio_val, prio_mask = 0; 767106be53bSOr Gerlitz bool vlan_present; 768106be53bSOr Gerlitz 769106be53bSOr Gerlitz #ifdef CONFIG_MLX5_CORE_EN_DCB 770106be53bSOr Gerlitz if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) { 771e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 772e98bedf5SEli Britstein "only PCP trust state supported for hairpin"); 773106be53bSOr Gerlitz return -EOPNOTSUPP; 774106be53bSOr Gerlitz } 775106be53bSOr Gerlitz #endif 776106be53bSOr Gerlitz headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers); 777106be53bSOr Gerlitz headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 778106be53bSOr Gerlitz 779106be53bSOr Gerlitz vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag); 780106be53bSOr Gerlitz if (vlan_present) { 781106be53bSOr Gerlitz prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio); 782106be53bSOr Gerlitz prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio); 783106be53bSOr Gerlitz } 784106be53bSOr Gerlitz 785106be53bSOr Gerlitz if (!vlan_present || !prio_mask) { 786106be53bSOr Gerlitz prio_val = UNKNOWN_MATCH_PRIO; 787106be53bSOr Gerlitz } else if (prio_mask != 0x7) { 788e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 789e98bedf5SEli Britstein "masked priority match not supported for hairpin"); 790106be53bSOr Gerlitz return -EOPNOTSUPP; 791106be53bSOr Gerlitz } 792106be53bSOr Gerlitz 793106be53bSOr Gerlitz *match_prio = prio_val; 794106be53bSOr Gerlitz return 0; 795106be53bSOr Gerlitz } 796106be53bSOr Gerlitz 7975c65c564SOr Gerlitz static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv, 7985c65c564SOr Gerlitz struct mlx5e_tc_flow *flow, 799e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 800e98bedf5SEli Britstein struct netlink_ext_ack *extack) 8015c65c564SOr Gerlitz { 80298b66cb1SEli Britstein int peer_ifindex = parse_attr->mirred_ifindex[0]; 8035c65c564SOr Gerlitz struct mlx5_hairpin_params params; 804d8822868SOr Gerlitz struct mlx5_core_dev *peer_mdev; 8055c65c564SOr Gerlitz struct mlx5e_hairpin_entry *hpe; 8065c65c564SOr Gerlitz struct mlx5e_hairpin *hp; 8073f6d08d1SOr Gerlitz u64 link_speed64; 8083f6d08d1SOr Gerlitz u32 link_speed; 809106be53bSOr Gerlitz u8 match_prio; 810d8822868SOr Gerlitz u16 peer_id; 8115c65c564SOr Gerlitz int err; 8125c65c564SOr Gerlitz 813d8822868SOr Gerlitz peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex); 814b1c2f631SDima Chumak if (IS_ERR(peer_mdev)) { 815b1c2f631SDima Chumak NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device"); 816b1c2f631SDima Chumak return PTR_ERR(peer_mdev); 817b1c2f631SDima Chumak } 818b1c2f631SDima Chumak 819d8822868SOr Gerlitz if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) { 820e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported"); 8215c65c564SOr Gerlitz return -EOPNOTSUPP; 8225c65c564SOr Gerlitz } 8235c65c564SOr Gerlitz 824d8822868SOr Gerlitz peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 825e98bedf5SEli Britstein err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio, 826e98bedf5SEli Britstein extack); 827106be53bSOr Gerlitz if (err) 828106be53bSOr Gerlitz return err; 829b32accdaSVlad Buslov 830b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 831106be53bSOr Gerlitz hpe = mlx5e_hairpin_get(priv, peer_id, match_prio); 832db76ca24SVlad Buslov if (hpe) { 833db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 834db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 835db76ca24SVlad Buslov 836db76ca24SVlad Buslov if (IS_ERR(hpe->hp)) { 837db76ca24SVlad Buslov err = -EREMOTEIO; 838db76ca24SVlad Buslov goto out_err; 839db76ca24SVlad Buslov } 8405c65c564SOr Gerlitz goto attach_flow; 841db76ca24SVlad Buslov } 8425c65c564SOr Gerlitz 8435c65c564SOr Gerlitz hpe = kzalloc(sizeof(*hpe), GFP_KERNEL); 844b32accdaSVlad Buslov if (!hpe) { 845db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 846db76ca24SVlad Buslov return -ENOMEM; 847b32accdaSVlad Buslov } 8485c65c564SOr Gerlitz 84973edca73SVlad Buslov spin_lock_init(&hpe->flows_lock); 8505c65c564SOr Gerlitz INIT_LIST_HEAD(&hpe->flows); 851db76ca24SVlad Buslov INIT_LIST_HEAD(&hpe->dead_peer_wait_list); 852d8822868SOr Gerlitz hpe->peer_vhca_id = peer_id; 853106be53bSOr Gerlitz hpe->prio = match_prio; 854e4f9abbdSVlad Buslov refcount_set(&hpe->refcnt, 1); 855db76ca24SVlad Buslov init_completion(&hpe->res_ready); 856db76ca24SVlad Buslov 857db76ca24SVlad Buslov hash_add(priv->fs.tc.hairpin_tbl, &hpe->hairpin_hlist, 858db76ca24SVlad Buslov hash_hairpin_info(peer_id, match_prio)); 859db76ca24SVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 8605c65c564SOr Gerlitz 8616cdc686aSAriel Levkovich params.log_data_size = 16; 8625c65c564SOr Gerlitz params.log_data_size = min_t(u8, params.log_data_size, 8635c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz)); 8645c65c564SOr Gerlitz params.log_data_size = max_t(u8, params.log_data_size, 8655c65c564SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz)); 8665c65c564SOr Gerlitz 867eb9180f7SOr Gerlitz params.log_num_packets = params.log_data_size - 868eb9180f7SOr Gerlitz MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev); 869eb9180f7SOr Gerlitz params.log_num_packets = min_t(u8, params.log_num_packets, 870eb9180f7SOr Gerlitz MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets)); 871eb9180f7SOr Gerlitz 872eb9180f7SOr Gerlitz params.q_counter = priv->q_counter; 8733f6d08d1SOr Gerlitz /* set hairpin pair per each 50Gbs share of the link */ 8742c81bfd5SHuy Nguyen mlx5e_port_max_linkspeed(priv->mdev, &link_speed); 8753f6d08d1SOr Gerlitz link_speed = max_t(u32, link_speed, 50000); 8763f6d08d1SOr Gerlitz link_speed64 = link_speed; 8773f6d08d1SOr Gerlitz do_div(link_speed64, 50000); 8783f6d08d1SOr Gerlitz params.num_channels = link_speed64; 8793f6d08d1SOr Gerlitz 8805c65c564SOr Gerlitz hp = mlx5e_hairpin_create(priv, ¶ms, peer_ifindex); 881db76ca24SVlad Buslov hpe->hp = hp; 882db76ca24SVlad Buslov complete_all(&hpe->res_ready); 8835c65c564SOr Gerlitz if (IS_ERR(hp)) { 8845c65c564SOr Gerlitz err = PTR_ERR(hp); 885db76ca24SVlad Buslov goto out_err; 8865c65c564SOr Gerlitz } 8875c65c564SOr Gerlitz 888eb9180f7SOr Gerlitz netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n", 889a6696735SMaxim Mikityanskiy mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0], 89027b942fbSParav Pandit dev_name(hp->pair->peer_mdev->device), 891eb9180f7SOr Gerlitz hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets); 8925c65c564SOr Gerlitz 8935c65c564SOr Gerlitz attach_flow: 8943f6d08d1SOr Gerlitz if (hpe->hp->num_channels > 1) { 895226f2ca3SVlad Buslov flow_flag_set(flow, HAIRPIN_RSS); 896f4b45940SMaor Gottlieb flow->attr->nic_attr->hairpin_ft = 897f4b45940SMaor Gottlieb mlx5_get_ttc_flow_table(hpe->hp->ttc); 8983f6d08d1SOr Gerlitz } else { 899a6696735SMaxim Mikityanskiy flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir); 9003f6d08d1SOr Gerlitz } 901b32accdaSVlad Buslov 902e4f9abbdSVlad Buslov flow->hpe = hpe; 90373edca73SVlad Buslov spin_lock(&hpe->flows_lock); 9045c65c564SOr Gerlitz list_add(&flow->hairpin, &hpe->flows); 90573edca73SVlad Buslov spin_unlock(&hpe->flows_lock); 9063f6d08d1SOr Gerlitz 9075c65c564SOr Gerlitz return 0; 9085c65c564SOr Gerlitz 909db76ca24SVlad Buslov out_err: 910db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 9115c65c564SOr Gerlitz return err; 9125c65c564SOr Gerlitz } 9135c65c564SOr Gerlitz 9145c65c564SOr Gerlitz static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv, 9155c65c564SOr Gerlitz struct mlx5e_tc_flow *flow) 9165c65c564SOr Gerlitz { 9175a7e5bcbSVlad Buslov /* flow wasn't fully initialized */ 918e4f9abbdSVlad Buslov if (!flow->hpe) 9195a7e5bcbSVlad Buslov return; 9205a7e5bcbSVlad Buslov 92173edca73SVlad Buslov spin_lock(&flow->hpe->flows_lock); 9225c65c564SOr Gerlitz list_del(&flow->hairpin); 92373edca73SVlad Buslov spin_unlock(&flow->hpe->flows_lock); 92473edca73SVlad Buslov 925e4f9abbdSVlad Buslov mlx5e_hairpin_put(priv, flow->hpe); 926e4f9abbdSVlad Buslov flow->hpe = NULL; 9275c65c564SOr Gerlitz } 9285c65c564SOr Gerlitz 92908247066SAriel Levkovich struct mlx5_flow_handle * 93008247066SAriel Levkovich mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv, 93108247066SAriel Levkovich struct mlx5_flow_spec *spec, 932c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 933e8f887acSAmir Vadai { 93408247066SAriel Levkovich struct mlx5_flow_context *flow_context = &spec->flow_context; 93567d62ee7SRoi Dayan struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv); 936c620b772SAriel Levkovich struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr; 9376a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 9385c65c564SOr Gerlitz struct mlx5_flow_destination dest[2] = {}; 93966958ed9SHadar Hen Zion struct mlx5_flow_act flow_act = { 9403bc4b7bfSOr Gerlitz .action = attr->action, 941bb0ee7dcSJianbo Liu .flags = FLOW_ACT_NO_APPEND, 94266958ed9SHadar Hen Zion }; 94308247066SAriel Levkovich struct mlx5_flow_handle *rule; 944c7569097SAriel Levkovich struct mlx5_flow_table *ft; 94508247066SAriel Levkovich int dest_ix = 0; 946e8f887acSAmir Vadai 947bb0ee7dcSJianbo Liu flow_context->flags |= FLOW_CONTEXT_HAS_TAG; 948c620b772SAriel Levkovich flow_context->flow_tag = nic_attr->flow_tag; 949bb0ee7dcSJianbo Liu 950aedd133dSAriel Levkovich if (attr->dest_ft) { 951aedd133dSAriel Levkovich dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 952aedd133dSAriel Levkovich dest[dest_ix].ft = attr->dest_ft; 953aedd133dSAriel Levkovich dest_ix++; 954aedd133dSAriel Levkovich } else if (nic_attr->hairpin_ft) { 9553f6d08d1SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 956c620b772SAriel Levkovich dest[dest_ix].ft = nic_attr->hairpin_ft; 95708247066SAriel Levkovich dest_ix++; 958c620b772SAriel Levkovich } else if (nic_attr->hairpin_tirn) { 9595c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR; 960c620b772SAriel Levkovich dest[dest_ix].tir_num = nic_attr->hairpin_tirn; 9613f6d08d1SOr Gerlitz dest_ix++; 9623f6d08d1SOr Gerlitz } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 9635c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; 964c7569097SAriel Levkovich if (attr->dest_chain) { 965c7569097SAriel Levkovich dest[dest_ix].ft = mlx5_chains_get_table(nic_chains, 966c7569097SAriel Levkovich attr->dest_chain, 1, 967c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 968c7569097SAriel Levkovich if (IS_ERR(dest[dest_ix].ft)) 969c7569097SAriel Levkovich return ERR_CAST(dest[dest_ix].ft); 970c7569097SAriel Levkovich } else { 9716783f0a2SVu Pham dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 972c7569097SAriel Levkovich } 9735c65c564SOr Gerlitz dest_ix++; 9745c65c564SOr Gerlitz } 975aad7e08dSAmir Vadai 976c7569097SAriel Levkovich if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE && 977c7569097SAriel Levkovich MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 978c7569097SAriel Levkovich flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL; 979c7569097SAriel Levkovich 98008247066SAriel Levkovich if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 9815c65c564SOr Gerlitz dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; 98208247066SAriel Levkovich dest[dest_ix].counter_id = mlx5_fc_id(attr->counter); 9835c65c564SOr Gerlitz dest_ix++; 984aad7e08dSAmir Vadai } 985aad7e08dSAmir Vadai 98608247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 9872b688ea5SMaor Gottlieb flow_act.modify_hdr = attr->modify_hdr; 9882f4fe4caSOr Gerlitz 9896a064674SAriel Levkovich mutex_lock(&tc->t_lock); 9906a064674SAriel Levkovich if (IS_ERR_OR_NULL(tc->t)) { 9916a064674SAriel Levkovich /* Create the root table here if doesn't exist yet */ 9926a064674SAriel Levkovich tc->t = 993c7569097SAriel Levkovich mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL); 99421b9c144SOr Gerlitz 9956a064674SAriel Levkovich if (IS_ERR(tc->t)) { 9966a064674SAriel Levkovich mutex_unlock(&tc->t_lock); 997e8f887acSAmir Vadai netdev_err(priv->netdev, 998e8f887acSAmir Vadai "Failed to create tc offload table\n"); 999c7569097SAriel Levkovich rule = ERR_CAST(priv->fs.tc.t); 1000c7569097SAriel Levkovich goto err_ft_get; 1001e8f887acSAmir Vadai } 1002e8f887acSAmir Vadai } 100308247066SAriel Levkovich mutex_unlock(&tc->t_lock); 1004e8f887acSAmir Vadai 1005aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1006c7569097SAriel Levkovich ft = mlx5_chains_get_table(nic_chains, 1007c7569097SAriel Levkovich attr->chain, attr->prio, 1008c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1009aedd133dSAriel Levkovich else 1010aedd133dSAriel Levkovich ft = attr->ft; 1011aedd133dSAriel Levkovich 1012c7569097SAriel Levkovich if (IS_ERR(ft)) { 1013c7569097SAriel Levkovich rule = ERR_CAST(ft); 1014c7569097SAriel Levkovich goto err_ft_get; 1015c7569097SAriel Levkovich } 1016c7569097SAriel Levkovich 1017c620b772SAriel Levkovich if (attr->outer_match_level != MLX5_MATCH_NONE) 101808247066SAriel Levkovich spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS; 101938aa51c1SOr Gerlitz 1020c7569097SAriel Levkovich rule = mlx5_add_flow_rules(ft, spec, 10215c65c564SOr Gerlitz &flow_act, dest, dest_ix); 102208247066SAriel Levkovich if (IS_ERR(rule)) 1023c7569097SAriel Levkovich goto err_rule; 102408247066SAriel Levkovich 102508247066SAriel Levkovich return rule; 1026c7569097SAriel Levkovich 1027c7569097SAriel Levkovich err_rule: 1028aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1029c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1030c7569097SAriel Levkovich attr->chain, attr->prio, 1031c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1032c7569097SAriel Levkovich err_ft_get: 1033c7569097SAriel Levkovich if (attr->dest_chain) 1034c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, 1035c7569097SAriel Levkovich attr->dest_chain, 1, 1036c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1037c7569097SAriel Levkovich 1038c7569097SAriel Levkovich return ERR_CAST(rule); 103908247066SAriel Levkovich } 104008247066SAriel Levkovich 104108247066SAriel Levkovich static int 104208247066SAriel Levkovich mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv, 104308247066SAriel Levkovich struct mlx5e_tc_flow *flow, 104408247066SAriel Levkovich struct netlink_ext_ack *extack) 104508247066SAriel Levkovich { 1046c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 1047c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 104808247066SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 104997a8d29aSRoi Dayan struct mlx5_fc *counter; 105008247066SAriel Levkovich int err; 105108247066SAriel Levkovich 1052c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 1053c6cfe113SRoi Dayan 105408247066SAriel Levkovich if (flow_flag_test(flow, HAIRPIN)) { 105508247066SAriel Levkovich err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack); 105608247066SAriel Levkovich if (err) 105708247066SAriel Levkovich return err; 105808247066SAriel Levkovich } 105908247066SAriel Levkovich 106008247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 106108247066SAriel Levkovich counter = mlx5_fc_create(dev, true); 106208247066SAriel Levkovich if (IS_ERR(counter)) 106308247066SAriel Levkovich return PTR_ERR(counter); 106408247066SAriel Levkovich 106508247066SAriel Levkovich attr->counter = counter; 106608247066SAriel Levkovich } 106708247066SAriel Levkovich 106808247066SAriel Levkovich if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 106908247066SAriel Levkovich err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 10702c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 107108247066SAriel Levkovich if (err) 107208247066SAriel Levkovich return err; 107308247066SAriel Levkovich } 107408247066SAriel Levkovich 1075aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1076aedd133dSAriel Levkovich flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), flow, &parse_attr->spec, 1077aedd133dSAriel Levkovich attr, &parse_attr->mod_hdr_acts); 1078aedd133dSAriel Levkovich else 107908247066SAriel Levkovich flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec, 108008247066SAriel Levkovich attr); 1081e8f887acSAmir Vadai 1082a2b7189bSzhong jiang return PTR_ERR_OR_ZERO(flow->rule[0]); 1083e8f887acSAmir Vadai } 1084e8f887acSAmir Vadai 108508247066SAriel Levkovich void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv, 1086c7569097SAriel Levkovich struct mlx5_flow_handle *rule, 1087c7569097SAriel Levkovich struct mlx5_flow_attr *attr) 108808247066SAriel Levkovich { 108967d62ee7SRoi Dayan struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv); 1090c7569097SAriel Levkovich 109108247066SAriel Levkovich mlx5_del_flow_rules(rule); 1092c7569097SAriel Levkovich 1093aedd133dSAriel Levkovich if (attr->chain || attr->prio) 1094c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->chain, attr->prio, 1095c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 1096c7569097SAriel Levkovich 1097c7569097SAriel Levkovich if (attr->dest_chain) 1098c7569097SAriel Levkovich mlx5_chains_put_table(nic_chains, attr->dest_chain, 1, 1099c7569097SAriel Levkovich MLX5E_TC_FT_LEVEL); 110008247066SAriel Levkovich } 110108247066SAriel Levkovich 1102d85cdccbSOr Gerlitz static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, 1103d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1104d85cdccbSOr Gerlitz { 1105c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 11066a064674SAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 1107d85cdccbSOr Gerlitz 1108c7569097SAriel Levkovich flow_flag_clear(flow, OFFLOADED); 1109c7569097SAriel Levkovich 1110aedd133dSAriel Levkovich if (flow_flag_test(flow, CT)) 1111aedd133dSAriel Levkovich mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 1112aedd133dSAriel Levkovich else if (!IS_ERR_OR_NULL(flow->rule[0])) 1113aedd133dSAriel Levkovich mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr); 1114aedd133dSAriel Levkovich 1115c7569097SAriel Levkovich /* Remove root table if no rules are left to avoid 1116c7569097SAriel Levkovich * extra steering hops. 1117c7569097SAriel Levkovich */ 1118b6fac0b4SVlad Buslov mutex_lock(&priv->fs.tc.t_lock); 11196a064674SAriel Levkovich if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) && 11206a064674SAriel Levkovich !IS_ERR_OR_NULL(tc->t)) { 112167d62ee7SRoi Dayan mlx5_chains_put_table(mlx5e_nic_chains(priv), 0, 1, MLX5E_TC_FT_LEVEL); 1122d85cdccbSOr Gerlitz priv->fs.tc.t = NULL; 1123d85cdccbSOr Gerlitz } 1124b6fac0b4SVlad Buslov mutex_unlock(&priv->fs.tc.t_lock); 11252f4fe4caSOr Gerlitz 1126513f8f7fSOr Gerlitz if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) 11273099eb5aSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 11285c65c564SOr Gerlitz 1129972fe492SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1130aedd133dSAriel Levkovich mlx5_fc_destroy(priv->mdev, attr->counter); 1131aedd133dSAriel Levkovich 1132226f2ca3SVlad Buslov if (flow_flag_test(flow, HAIRPIN)) 11335c65c564SOr Gerlitz mlx5e_hairpin_flow_del(priv, flow); 1134c620b772SAriel Levkovich 113588d97486SRoi Dayan kvfree(attr->parse_attr); 1136c620b772SAriel Levkovich kfree(flow->attr); 1137d85cdccbSOr Gerlitz } 1138d85cdccbSOr Gerlitz 11390d9f9647SVlad Buslov struct mlx5_flow_handle * 11406d2a3ed0SOr Gerlitz mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw, 11416d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 11426d2a3ed0SOr Gerlitz struct mlx5_flow_spec *spec, 1143c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11446d2a3ed0SOr Gerlitz { 11451ef3018fSPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 11466d2a3ed0SOr Gerlitz struct mlx5_flow_handle *rule; 11474c3844d9SPaul Blakey 114889e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 114989e39467SPaul Blakey return mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 115089e39467SPaul Blakey 11511ef3018fSPaul Blakey if (flow_flag_test(flow, CT)) { 11521ef3018fSPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 11531ef3018fSPaul Blakey 115469e2916eSPaul Blakey rule = mlx5_tc_ct_flow_offload(get_ct_priv(flow->priv), 1155aedd133dSAriel Levkovich flow, spec, attr, 11561ef3018fSPaul Blakey mod_hdr_acts); 1157f94d6389SChris Mi } else if (flow_flag_test(flow, SAMPLE)) { 1158ee950e5dSChris Mi rule = mlx5e_tc_sample_offload(get_sample_priv(flow->priv), spec, attr, 1159ee950e5dSChris Mi mlx5e_tc_get_flow_tun_id(flow)); 116069e2916eSPaul Blakey } else { 116169e2916eSPaul Blakey rule = mlx5_eswitch_add_offloaded_rule(esw, spec, attr); 11621ef3018fSPaul Blakey } 11636d2a3ed0SOr Gerlitz 11646d2a3ed0SOr Gerlitz if (IS_ERR(rule)) 11656d2a3ed0SOr Gerlitz return rule; 11666d2a3ed0SOr Gerlitz 1167c620b772SAriel Levkovich if (attr->esw_attr->split_count) { 11686d2a3ed0SOr Gerlitz flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr); 11696d2a3ed0SOr Gerlitz if (IS_ERR(flow->rule[1])) { 117069e2916eSPaul Blakey if (flow_flag_test(flow, CT)) 117169e2916eSPaul Blakey mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 117269e2916eSPaul Blakey else 11736d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, rule, attr); 11746d2a3ed0SOr Gerlitz return flow->rule[1]; 11756d2a3ed0SOr Gerlitz } 11766d2a3ed0SOr Gerlitz } 11776d2a3ed0SOr Gerlitz 11786d2a3ed0SOr Gerlitz return rule; 11796d2a3ed0SOr Gerlitz } 11806d2a3ed0SOr Gerlitz 11810d9f9647SVlad Buslov void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw, 11826d2a3ed0SOr Gerlitz struct mlx5e_tc_flow *flow, 1183c620b772SAriel Levkovich struct mlx5_flow_attr *attr) 11846d2a3ed0SOr Gerlitz { 1185226f2ca3SVlad Buslov flow_flag_clear(flow, OFFLOADED); 11866d2a3ed0SOr Gerlitz 118789e39467SPaul Blakey if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) 118889e39467SPaul Blakey goto offload_rule_0; 118989e39467SPaul Blakey 1190c620b772SAriel Levkovich if (attr->esw_attr->split_count) 11916d2a3ed0SOr Gerlitz mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr); 11926d2a3ed0SOr Gerlitz 11932820110dSChris Mi if (flow_flag_test(flow, CT)) 11942820110dSChris Mi mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), flow, attr); 11952820110dSChris Mi else if (flow_flag_test(flow, SAMPLE)) 11962820110dSChris Mi mlx5e_tc_sample_unoffload(get_sample_priv(flow->priv), flow->rule[0], attr); 11972820110dSChris Mi else 119889e39467SPaul Blakey offload_rule_0: 11996d2a3ed0SOr Gerlitz mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr); 12006d2a3ed0SOr Gerlitz } 12016d2a3ed0SOr Gerlitz 12020d9f9647SVlad Buslov struct mlx5_flow_handle * 12035dbe906fSPaul Blakey mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw, 12045dbe906fSPaul Blakey struct mlx5e_tc_flow *flow, 1205178f69b4SEli Cohen struct mlx5_flow_spec *spec) 12065dbe906fSPaul Blakey { 1207c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 12085dbe906fSPaul Blakey struct mlx5_flow_handle *rule; 12095dbe906fSPaul Blakey 1210c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 1211c620b772SAriel Levkovich if (!slow_attr) 1212c620b772SAriel Levkovich return ERR_PTR(-ENOMEM); 12135dbe906fSPaul Blakey 1214c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1215c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1216c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1217c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1218c620b772SAriel Levkovich 1219c620b772SAriel Levkovich rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr); 12205dbe906fSPaul Blakey if (!IS_ERR(rule)) 1221226f2ca3SVlad Buslov flow_flag_set(flow, SLOW); 12225dbe906fSPaul Blakey 1223c620b772SAriel Levkovich kfree(slow_attr); 1224c620b772SAriel Levkovich 12255dbe906fSPaul Blakey return rule; 12265dbe906fSPaul Blakey } 12275dbe906fSPaul Blakey 12280d9f9647SVlad Buslov void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw, 1229178f69b4SEli Cohen struct mlx5e_tc_flow *flow) 12305dbe906fSPaul Blakey { 1231c620b772SAriel Levkovich struct mlx5_flow_attr *slow_attr; 1232178f69b4SEli Cohen 1233c620b772SAriel Levkovich slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB); 12345efbe617SAriel Levkovich if (!slow_attr) { 12355efbe617SAriel Levkovich mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n"); 12365efbe617SAriel Levkovich return; 12375efbe617SAriel Levkovich } 1238c620b772SAriel Levkovich 1239c620b772SAriel Levkovich memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ); 1240c620b772SAriel Levkovich slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; 1241c620b772SAriel Levkovich slow_attr->esw_attr->split_count = 0; 1242c620b772SAriel Levkovich slow_attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 1243c620b772SAriel Levkovich mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr); 1244226f2ca3SVlad Buslov flow_flag_clear(flow, SLOW); 1245c620b772SAriel Levkovich kfree(slow_attr); 12465dbe906fSPaul Blakey } 12475dbe906fSPaul Blakey 1248ad86755bSVlad Buslov /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this 1249ad86755bSVlad Buslov * function. 1250ad86755bSVlad Buslov */ 1251ad86755bSVlad Buslov static void unready_flow_add(struct mlx5e_tc_flow *flow, 1252ad86755bSVlad Buslov struct list_head *unready_flows) 1253ad86755bSVlad Buslov { 1254ad86755bSVlad Buslov flow_flag_set(flow, NOT_READY); 1255ad86755bSVlad Buslov list_add_tail(&flow->unready, unready_flows); 1256ad86755bSVlad Buslov } 1257ad86755bSVlad Buslov 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_del(struct mlx5e_tc_flow *flow) 1262ad86755bSVlad Buslov { 1263ad86755bSVlad Buslov list_del(&flow->unready); 1264ad86755bSVlad Buslov flow_flag_clear(flow, NOT_READY); 1265ad86755bSVlad Buslov } 1266ad86755bSVlad Buslov 1267b4a23329SRoi Dayan static void add_unready_flow(struct mlx5e_tc_flow *flow) 1268b4a23329SRoi Dayan { 1269b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *uplink_priv; 1270b4a23329SRoi Dayan struct mlx5e_rep_priv *rpriv; 1271b4a23329SRoi Dayan struct mlx5_eswitch *esw; 1272b4a23329SRoi Dayan 1273b4a23329SRoi Dayan esw = flow->priv->mdev->priv.eswitch; 1274b4a23329SRoi Dayan rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1275b4a23329SRoi Dayan uplink_priv = &rpriv->uplink_priv; 1276b4a23329SRoi Dayan 1277ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1278ad86755bSVlad Buslov unready_flow_add(flow, &uplink_priv->unready_flows); 1279ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1280b4a23329SRoi Dayan } 1281b4a23329SRoi Dayan 1282b4a23329SRoi Dayan static void remove_unready_flow(struct mlx5e_tc_flow *flow) 1283b4a23329SRoi Dayan { 1284ad86755bSVlad Buslov struct mlx5_rep_uplink_priv *uplink_priv; 1285ad86755bSVlad Buslov struct mlx5e_rep_priv *rpriv; 1286ad86755bSVlad Buslov struct mlx5_eswitch *esw; 1287ad86755bSVlad Buslov 1288ad86755bSVlad Buslov esw = flow->priv->mdev->priv.eswitch; 1289ad86755bSVlad Buslov rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 1290ad86755bSVlad Buslov uplink_priv = &rpriv->uplink_priv; 1291ad86755bSVlad Buslov 1292ad86755bSVlad Buslov mutex_lock(&uplink_priv->unready_flows_lock); 1293ad86755bSVlad Buslov unready_flow_del(flow); 1294ad86755bSVlad Buslov mutex_unlock(&uplink_priv->unready_flows_lock); 1295b4a23329SRoi Dayan } 1296b4a23329SRoi Dayan 1297a508728aSVlad Buslov bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev) 129810742efcSVlad Buslov { 129910742efcSVlad Buslov struct mlx5_core_dev *out_mdev, *route_mdev; 130010742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 130110742efcSVlad Buslov 130210742efcSVlad Buslov out_priv = netdev_priv(out_dev); 130310742efcSVlad Buslov out_mdev = out_priv->mdev; 130410742efcSVlad Buslov route_priv = netdev_priv(route_dev); 130510742efcSVlad Buslov route_mdev = route_priv->mdev; 130610742efcSVlad Buslov 130710742efcSVlad Buslov if (out_mdev->coredev_type != MLX5_COREDEV_PF || 130810742efcSVlad Buslov route_mdev->coredev_type != MLX5_COREDEV_VF) 130910742efcSVlad Buslov return false; 131010742efcSVlad Buslov 1311ab3f3d5eSRoi Dayan return mlx5e_same_hw_devs(out_priv, route_priv); 131210742efcSVlad Buslov } 131310742efcSVlad Buslov 1314a508728aSVlad Buslov int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport) 131510742efcSVlad Buslov { 131610742efcSVlad Buslov struct mlx5e_priv *out_priv, *route_priv; 1317f9d196bdSDmytro Linkin struct mlx5_devcom *devcom = NULL; 131810742efcSVlad Buslov struct mlx5_core_dev *route_mdev; 131910742efcSVlad Buslov struct mlx5_eswitch *esw; 132010742efcSVlad Buslov u16 vhca_id; 132110742efcSVlad Buslov int err; 132210742efcSVlad Buslov 132310742efcSVlad Buslov out_priv = netdev_priv(out_dev); 132410742efcSVlad Buslov esw = out_priv->mdev->priv.eswitch; 132510742efcSVlad Buslov route_priv = netdev_priv(route_dev); 132610742efcSVlad Buslov route_mdev = route_priv->mdev; 132710742efcSVlad Buslov 132810742efcSVlad Buslov vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id); 1329f9d196bdSDmytro Linkin if (mlx5_lag_is_active(out_priv->mdev)) { 1330f9d196bdSDmytro Linkin /* In lag case we may get devices from different eswitch instances. 1331f9d196bdSDmytro Linkin * If we failed to get vport num, it means, mostly, that we on the wrong 1332f9d196bdSDmytro Linkin * eswitch. 1333f9d196bdSDmytro Linkin */ 133410742efcSVlad Buslov err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1335f9d196bdSDmytro Linkin if (err != -ENOENT) 1336f9d196bdSDmytro Linkin return err; 1337f9d196bdSDmytro Linkin 1338f9d196bdSDmytro Linkin devcom = out_priv->mdev->priv.devcom; 1339f9d196bdSDmytro Linkin esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 1340f9d196bdSDmytro Linkin if (!esw) 1341f9d196bdSDmytro Linkin return -ENODEV; 1342f9d196bdSDmytro Linkin } 1343f9d196bdSDmytro Linkin 1344f9d196bdSDmytro Linkin err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport); 1345f9d196bdSDmytro Linkin if (devcom) 1346f9d196bdSDmytro Linkin mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 134710742efcSVlad Buslov return err; 134810742efcSVlad Buslov } 134910742efcSVlad Buslov 1350c7b9038dSVlad Buslov int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv, 1351c7b9038dSVlad Buslov struct mlx5e_tc_flow_parse_attr *parse_attr, 1352c7b9038dSVlad Buslov struct mlx5e_tc_flow *flow) 1353c7b9038dSVlad Buslov { 1354c7b9038dSVlad Buslov struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &parse_attr->mod_hdr_acts; 1355c7b9038dSVlad Buslov struct mlx5_modify_hdr *mod_hdr; 1356c7b9038dSVlad Buslov 1357c7b9038dSVlad Buslov mod_hdr = mlx5_modify_header_alloc(priv->mdev, 1358e36db1eeSRoi Dayan mlx5e_get_flow_namespace(flow), 1359c7b9038dSVlad Buslov mod_hdr_acts->num_actions, 1360c7b9038dSVlad Buslov mod_hdr_acts->actions); 1361c7b9038dSVlad Buslov if (IS_ERR(mod_hdr)) 1362c7b9038dSVlad Buslov return PTR_ERR(mod_hdr); 1363c7b9038dSVlad Buslov 1364c7b9038dSVlad Buslov WARN_ON(flow->attr->modify_hdr); 1365c7b9038dSVlad Buslov flow->attr->modify_hdr = mod_hdr; 1366c7b9038dSVlad Buslov 1367c7b9038dSVlad Buslov return 0; 1368c7b9038dSVlad Buslov } 1369c7b9038dSVlad Buslov 1370c83954abSRabie Loulou static int 137174491de9SMark Bloch mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, 1372e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 1373e98bedf5SEli Britstein struct netlink_ext_ack *extack) 1374adb4c123SOr Gerlitz { 1375adb4c123SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1376c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 1377c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 13788914add2SVlad Buslov bool vf_tun = false, encap_valid = true; 1379fe7738ebSDima Chumak struct net_device *encap_dev = NULL; 1380c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 13813c37745eSOr Gerlitz struct mlx5e_rep_priv *rpriv; 13823c37745eSOr Gerlitz struct mlx5e_priv *out_priv; 138397a8d29aSRoi Dayan struct mlx5_fc *counter; 138439ac237cSPaul Blakey u32 max_prio, max_chain; 13850ad060eeSRoi Dayan int err = 0; 1386f493f155SEli Britstein int out_index; 13878b32580dSOr Gerlitz 1388b16eb3c8SAriel Levkovich parse_attr = attr->parse_attr; 1389b16eb3c8SAriel Levkovich esw_attr = attr->esw_attr; 1390b16eb3c8SAriel Levkovich 139184179981SPaul Blakey /* We check chain range only for tc flows. 139284179981SPaul Blakey * For ft flows, we checked attr->chain was originally 0 and set it to 139384179981SPaul Blakey * FDB_FT_CHAIN which is outside tc range. 139484179981SPaul Blakey * See mlx5e_rep_setup_ft_cb(). 139584179981SPaul Blakey */ 1396ae430332SAriel Levkovich max_chain = mlx5_chains_get_chain_range(esw_chains(esw)); 139784179981SPaul Blakey if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) { 139861644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 139961644c3dSRoi Dayan "Requested chain is out of supported range"); 14008914add2SVlad Buslov err = -EOPNOTSUPP; 14018914add2SVlad Buslov goto err_out; 1402bf07aa73SPaul Blakey } 1403bf07aa73SPaul Blakey 1404ae430332SAriel Levkovich max_prio = mlx5_chains_get_prio_range(esw_chains(esw)); 1405bf07aa73SPaul Blakey if (attr->prio > max_prio) { 140661644c3dSRoi Dayan NL_SET_ERR_MSG_MOD(extack, 140761644c3dSRoi Dayan "Requested priority is out of supported range"); 14088914add2SVlad Buslov err = -EOPNOTSUPP; 14098914add2SVlad Buslov goto err_out; 1410bf07aa73SPaul Blakey } 1411bf07aa73SPaul Blakey 1412777bb800SVlad Buslov if (flow_flag_test(flow, TUN_RX)) { 1413777bb800SVlad Buslov err = mlx5e_attach_decap_route(priv, flow); 1414777bb800SVlad Buslov if (err) 14158914add2SVlad Buslov goto err_out; 1416b16eb3c8SAriel Levkovich 14175b209d1aSRoi Dayan if (!attr->chain && esw_attr->int_port && 14185b209d1aSRoi Dayan attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { 1419b16eb3c8SAriel Levkovich /* If decap route device is internal port, change the 1420b16eb3c8SAriel Levkovich * source vport value in reg_c0 back to uplink just in 1421b16eb3c8SAriel Levkovich * case the rule performs goto chain > 0. If we have a miss 1422b16eb3c8SAriel Levkovich * on chain > 0 we want the metadata regs to hold the 1423b16eb3c8SAriel Levkovich * chain id so SW will resume handling of this packet 1424b16eb3c8SAriel Levkovich * from the proper chain. 1425b16eb3c8SAriel Levkovich */ 1426b16eb3c8SAriel Levkovich u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw, 1427b16eb3c8SAriel Levkovich esw_attr->in_rep->vport); 1428b16eb3c8SAriel Levkovich 1429b16eb3c8SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 1430b16eb3c8SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 1431b16eb3c8SAriel Levkovich metadata); 1432b16eb3c8SAriel Levkovich if (err) 143331108d14SChristophe JAILLET goto err_out; 1434077cdda7SRoi Dayan 1435077cdda7SRoi Dayan attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 1436b16eb3c8SAriel Levkovich } 1437777bb800SVlad Buslov } 1438777bb800SVlad Buslov 143914e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) { 144014e6b038SEli Cohen err = mlx5e_attach_decap(priv, flow, extack); 144114e6b038SEli Cohen if (err) 14428914add2SVlad Buslov goto err_out; 144314e6b038SEli Cohen } 144414e6b038SEli Cohen 1445166f431eSAriel Levkovich if (netif_is_ovs_master(parse_attr->filter_dev)) { 1446166f431eSAriel Levkovich struct mlx5e_tc_int_port *int_port; 1447166f431eSAriel Levkovich 1448166f431eSAriel Levkovich if (attr->chain) { 1449166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1450166f431eSAriel Levkovich "Internal port rule is only supported on chain 0"); 145131108d14SChristophe JAILLET err = -EOPNOTSUPP; 145231108d14SChristophe JAILLET goto err_out; 1453166f431eSAriel Levkovich } 1454166f431eSAriel Levkovich 1455166f431eSAriel Levkovich if (attr->dest_chain) { 1456166f431eSAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 1457166f431eSAriel Levkovich "Internal port rule offload doesn't support goto action"); 145831108d14SChristophe JAILLET err = -EOPNOTSUPP; 145931108d14SChristophe JAILLET goto err_out; 1460166f431eSAriel Levkovich } 1461166f431eSAriel Levkovich 1462166f431eSAriel Levkovich int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv), 1463166f431eSAriel Levkovich parse_attr->filter_dev->ifindex, 1464166f431eSAriel Levkovich flow_flag_test(flow, EGRESS) ? 1465166f431eSAriel Levkovich MLX5E_TC_INT_PORT_EGRESS : 1466166f431eSAriel Levkovich MLX5E_TC_INT_PORT_INGRESS); 146731108d14SChristophe JAILLET if (IS_ERR(int_port)) { 146831108d14SChristophe JAILLET err = PTR_ERR(int_port); 146931108d14SChristophe JAILLET goto err_out; 147031108d14SChristophe JAILLET } 1471166f431eSAriel Levkovich 1472166f431eSAriel Levkovich esw_attr->int_port = int_port; 1473166f431eSAriel Levkovich } 1474166f431eSAriel Levkovich 1475f493f155SEli Britstein for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 1476fe7738ebSDima Chumak struct net_device *out_dev; 14778c4dc42bSEli Britstein int mirred_ifindex; 14788c4dc42bSEli Britstein 1479c620b772SAriel Levkovich if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP)) 1480f493f155SEli Britstein continue; 1481f493f155SEli Britstein 14827040632dSTonghao Zhang mirred_ifindex = parse_attr->mirred_ifindex[out_index]; 1483fe7738ebSDima Chumak out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex); 1484fe7738ebSDima Chumak if (!out_dev) { 1485fe7738ebSDima Chumak NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found"); 1486fe7738ebSDima Chumak err = -ENODEV; 1487fe7738ebSDima Chumak goto err_out; 1488fe7738ebSDima Chumak } 1489733d4f36SRoi Dayan err = mlx5e_attach_encap(priv, flow, out_dev, out_index, 14900ad060eeSRoi Dayan extack, &encap_dev, &encap_valid); 1491fe7738ebSDima Chumak dev_put(out_dev); 14920ad060eeSRoi Dayan if (err) 14938914add2SVlad Buslov goto err_out; 14940ad060eeSRoi Dayan 14958914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 1496100ad4e2SAriel Levkovich MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 1497100ad4e2SAriel Levkovich !esw_attr->dest_int_port) 14988914add2SVlad Buslov vf_tun = true; 14993c37745eSOr Gerlitz out_priv = netdev_priv(encap_dev); 15003c37745eSOr Gerlitz rpriv = out_priv->ppriv; 1501c620b772SAriel Levkovich esw_attr->dests[out_index].rep = rpriv->rep; 1502c620b772SAriel Levkovich esw_attr->dests[out_index].mdev = out_priv->mdev; 15033c37745eSOr Gerlitz } 15043c37745eSOr Gerlitz 15057d1a3d08SVlad Buslov if (vf_tun && esw_attr->out_count > 1) { 15067d1a3d08SVlad Buslov NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported"); 15077d1a3d08SVlad Buslov err = -EOPNOTSUPP; 15087d1a3d08SVlad Buslov goto err_out; 15097d1a3d08SVlad Buslov } 15107d1a3d08SVlad Buslov 15118b32580dSOr Gerlitz err = mlx5_eswitch_add_vlan_action(esw, attr); 1512c83954abSRabie Loulou if (err) 15138914add2SVlad Buslov goto err_out; 1514adb4c123SOr Gerlitz 1515d5a3c2b6SRoi Dayan if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 1516d5a3c2b6SRoi Dayan !(attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR)) { 15178914add2SVlad Buslov if (vf_tun) { 15188914add2SVlad Buslov err = mlx5e_tc_add_flow_mod_hdr(priv, parse_attr, flow); 15198914add2SVlad Buslov if (err) 15208914add2SVlad Buslov goto err_out; 15218914add2SVlad Buslov } else { 15221a9527bbSOr Gerlitz err = mlx5e_attach_mod_hdr(priv, flow, parse_attr); 1523c83954abSRabie Loulou if (err) 15248914add2SVlad Buslov goto err_out; 15258914add2SVlad Buslov } 1526d7e75a32SOr Gerlitz } 1527d7e75a32SOr Gerlitz 1528b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) { 1529c620b772SAriel Levkovich counter = mlx5_fc_create(esw_attr->counter_dev, true); 15308914add2SVlad Buslov if (IS_ERR(counter)) { 15318914add2SVlad Buslov err = PTR_ERR(counter); 15328914add2SVlad Buslov goto err_out; 15338914add2SVlad Buslov } 1534b8aee822SMark Bloch 1535b8aee822SMark Bloch attr->counter = counter; 1536b8aee822SMark Bloch } 1537b8aee822SMark Bloch 15380ad060eeSRoi Dayan /* we get here if one of the following takes place: 15390ad060eeSRoi Dayan * (1) there's no error 15400ad060eeSRoi Dayan * (2) there's an encap action and we don't have valid neigh 15413c37745eSOr Gerlitz */ 1542bc1d75faSRoi Dayan if (!encap_valid) 1543178f69b4SEli Cohen flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec); 1544bc1d75faSRoi Dayan else 15456d2a3ed0SOr Gerlitz flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr); 15465dbe906fSPaul Blakey 15478914add2SVlad Buslov if (IS_ERR(flow->rule[0])) { 15488914add2SVlad Buslov err = PTR_ERR(flow->rule[0]); 15498914add2SVlad Buslov goto err_out; 15508914add2SVlad Buslov } 1551226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 1552c83954abSRabie Loulou 15535dbe906fSPaul Blakey return 0; 15548914add2SVlad Buslov 15558914add2SVlad Buslov err_out: 15568914add2SVlad Buslov flow_flag_set(flow, FAILED); 15578914add2SVlad Buslov return err; 1558aa0cbbaeSOr Gerlitz } 1559d85cdccbSOr Gerlitz 15609272e3dfSYevgeny Kliteynik static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow) 15619272e3dfSYevgeny Kliteynik { 1562c620b772SAriel Levkovich struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec; 15639272e3dfSYevgeny Kliteynik void *headers_v = MLX5_ADDR_OF(fte_match_param, 15649272e3dfSYevgeny Kliteynik spec->match_value, 15659272e3dfSYevgeny Kliteynik misc_parameters_3); 15669272e3dfSYevgeny Kliteynik u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3, 15679272e3dfSYevgeny Kliteynik headers_v, 15689272e3dfSYevgeny Kliteynik geneve_tlv_option_0_data); 15699272e3dfSYevgeny Kliteynik 15709272e3dfSYevgeny Kliteynik return !!geneve_tlv_opt_0_data; 15719272e3dfSYevgeny Kliteynik } 15729272e3dfSYevgeny Kliteynik 1573d85cdccbSOr Gerlitz static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, 1574d85cdccbSOr Gerlitz struct mlx5e_tc_flow *flow) 1575d85cdccbSOr Gerlitz { 1576d85cdccbSOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 1577c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 1578777bb800SVlad Buslov struct mlx5_esw_flow_attr *esw_attr; 15798914add2SVlad Buslov bool vf_tun = false; 1580f493f155SEli Britstein int out_index; 1581d85cdccbSOr Gerlitz 1582777bb800SVlad Buslov esw_attr = attr->esw_attr; 15830a7fcb78SPaul Blakey mlx5e_put_flow_tunnel_id(flow); 15840a7fcb78SPaul Blakey 158512a240a4SJianbo Liu if (flow_flag_test(flow, NOT_READY)) 1586b4a23329SRoi Dayan remove_unready_flow(flow); 1587ef06c9eeSRoi Dayan 1588226f2ca3SVlad Buslov if (mlx5e_is_offloaded_flow(flow)) { 1589226f2ca3SVlad Buslov if (flow_flag_test(flow, SLOW)) 1590178f69b4SEli Cohen mlx5e_tc_unoffload_from_slow_path(esw, flow); 15915dbe906fSPaul Blakey else 15925dbe906fSPaul Blakey mlx5e_tc_unoffload_fdb_rules(esw, flow, attr); 15935dbe906fSPaul Blakey } 1594362980eaSVlad Buslov complete_all(&flow->del_hw_done); 1595d85cdccbSOr Gerlitz 15969272e3dfSYevgeny Kliteynik if (mlx5_flow_has_geneve_opt(flow)) 15979272e3dfSYevgeny Kliteynik mlx5_geneve_tlv_option_del(priv->mdev->geneve); 15989272e3dfSYevgeny Kliteynik 1599513f8f7fSOr Gerlitz mlx5_eswitch_del_vlan_action(esw, attr); 1600d85cdccbSOr Gerlitz 1601777bb800SVlad Buslov if (flow->decap_route) 1602777bb800SVlad Buslov mlx5e_detach_decap_route(priv, flow); 1603777bb800SVlad Buslov 1604777bb800SVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) { 16058914add2SVlad Buslov if (esw_attr->dests[out_index].flags & 1606100ad4e2SAriel Levkovich MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE && 1607100ad4e2SAriel Levkovich !esw_attr->dest_int_port) 16088914add2SVlad Buslov vf_tun = true; 1609777bb800SVlad Buslov if (esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP) { 16108c4dc42bSEli Britstein mlx5e_detach_encap(priv, flow, out_index); 16112a4b6526SVlad Buslov kfree(attr->parse_attr->tun_info[out_index]); 16122a4b6526SVlad Buslov } 1613777bb800SVlad Buslov } 1614d7e75a32SOr Gerlitz 1615aedd133dSAriel Levkovich mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr); 16164c8594adSRoi Dayan 1617c7b9038dSVlad Buslov if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) { 16182c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts); 16198914add2SVlad Buslov if (vf_tun && attr->modify_hdr) 16208914add2SVlad Buslov mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr); 16218914add2SVlad Buslov else 16221a9527bbSOr Gerlitz mlx5e_detach_mod_hdr(priv, flow); 1623c7b9038dSVlad Buslov } 1624b8aee822SMark Bloch 1625b8aee822SMark Bloch if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) 1626777bb800SVlad Buslov mlx5_fc_destroy(esw_attr->counter_dev, attr->counter); 162714e6b038SEli Cohen 1628166f431eSAriel Levkovich if (esw_attr->int_port) 1629166f431eSAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port); 1630166f431eSAriel Levkovich 163127484f71SAriel Levkovich if (esw_attr->dest_int_port) 163227484f71SAriel Levkovich mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port); 163327484f71SAriel Levkovich 163414e6b038SEli Cohen if (flow_flag_test(flow, L3_TO_L2_DECAP)) 163514e6b038SEli Cohen mlx5e_detach_decap(priv, flow); 1636c620b772SAriel Levkovich 163788d97486SRoi Dayan kfree(attr->sample_attr); 163888d97486SRoi Dayan kvfree(attr->esw_attr->rx_tun_attr); 163988d97486SRoi Dayan kvfree(attr->parse_attr); 1640c620b772SAriel Levkovich kfree(flow->attr); 1641d85cdccbSOr Gerlitz } 1642d85cdccbSOr Gerlitz 16430d9f9647SVlad Buslov struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow) 1644b8aee822SMark Bloch { 1645c620b772SAriel Levkovich return flow->attr->counter; 1646b8aee822SMark Bloch } 1647b8aee822SMark Bloch 16486a06c2f7SVlad Buslov /* Iterate over tmp_list of flows attached to flow_list head. */ 1649021905f8SVlad Buslov void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list) 16506a06c2f7SVlad Buslov { 16516a06c2f7SVlad Buslov struct mlx5e_tc_flow *flow, *tmp; 16526a06c2f7SVlad Buslov 16536a06c2f7SVlad Buslov list_for_each_entry_safe(flow, tmp, flow_list, tmp_list) 16546a06c2f7SVlad Buslov mlx5e_flow_put(priv, flow); 16556a06c2f7SVlad Buslov } 16566a06c2f7SVlad Buslov 165704de7ddaSRoi Dayan static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 165804de7ddaSRoi Dayan { 165904de7ddaSRoi Dayan struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch; 166004de7ddaSRoi Dayan 1661226f2ca3SVlad Buslov if (!flow_flag_test(flow, ESWITCH) || 1662226f2ca3SVlad Buslov !flow_flag_test(flow, DUP)) 166304de7ddaSRoi Dayan return; 166404de7ddaSRoi Dayan 166504de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 166604de7ddaSRoi Dayan list_del(&flow->peer); 166704de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 166804de7ddaSRoi Dayan 1669226f2ca3SVlad Buslov flow_flag_clear(flow, DUP); 167004de7ddaSRoi Dayan 1671eb252c3aSRoi Dayan if (refcount_dec_and_test(&flow->peer_flow->refcnt)) { 167204de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow); 1673a23dae79SRoi Dayan kfree(flow->peer_flow); 1674eb252c3aSRoi Dayan } 1675eb252c3aSRoi Dayan 167604de7ddaSRoi Dayan flow->peer_flow = NULL; 167704de7ddaSRoi Dayan } 167804de7ddaSRoi Dayan 167904de7ddaSRoi Dayan static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow) 168004de7ddaSRoi Dayan { 168104de7ddaSRoi Dayan struct mlx5_core_dev *dev = flow->priv->mdev; 168204de7ddaSRoi Dayan struct mlx5_devcom *devcom = dev->priv.devcom; 168304de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 168404de7ddaSRoi Dayan 168504de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 168604de7ddaSRoi Dayan if (!peer_esw) 168704de7ddaSRoi Dayan return; 168804de7ddaSRoi Dayan 168904de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 169004de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 169104de7ddaSRoi Dayan } 169204de7ddaSRoi Dayan 1693e8f887acSAmir Vadai static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, 1694961e8979SRoi Dayan struct mlx5e_tc_flow *flow) 1695e8f887acSAmir Vadai { 1696226f2ca3SVlad Buslov if (mlx5e_is_eswitch_flow(flow)) { 169704de7ddaSRoi Dayan mlx5e_tc_del_fdb_peer_flow(flow); 1698d85cdccbSOr Gerlitz mlx5e_tc_del_fdb_flow(priv, flow); 169904de7ddaSRoi Dayan } else { 1700d85cdccbSOr Gerlitz mlx5e_tc_del_nic_flow(priv, flow); 1701e8f887acSAmir Vadai } 170204de7ddaSRoi Dayan } 1703e8f887acSAmir Vadai 1704ee950e5dSChris Mi static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f) 1705bbd00f7eSHadar Hen Zion { 1706f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17070a7fcb78SPaul Blakey struct flow_action *flow_action = &rule->action; 17080a7fcb78SPaul Blakey const struct flow_action_entry *act; 17090a7fcb78SPaul Blakey int i; 1710bbd00f7eSHadar Hen Zion 1711ee950e5dSChris Mi if (chain) 1712ee950e5dSChris Mi return false; 1713ee950e5dSChris Mi 17140a7fcb78SPaul Blakey flow_action_for_each(i, act, flow_action) { 17150a7fcb78SPaul Blakey switch (act->id) { 17160a7fcb78SPaul Blakey case FLOW_ACTION_GOTO: 17170a7fcb78SPaul Blakey return true; 1718ee950e5dSChris Mi case FLOW_ACTION_SAMPLE: 1719ee950e5dSChris Mi return true; 17200a7fcb78SPaul Blakey default: 17210a7fcb78SPaul Blakey continue; 1722fe1587a7SDmytro Linkin } 17232e72eb43SOr Gerlitz } 1724bbd00f7eSHadar Hen Zion 17250a7fcb78SPaul Blakey return false; 17260a7fcb78SPaul Blakey } 1727bcef735cSOr Gerlitz 17280a7fcb78SPaul Blakey static int 17290a7fcb78SPaul Blakey enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv, 17300a7fcb78SPaul Blakey struct flow_dissector_key_enc_opts *opts, 17310a7fcb78SPaul Blakey struct netlink_ext_ack *extack, 17320a7fcb78SPaul Blakey bool *dont_care) 17330a7fcb78SPaul Blakey { 17340a7fcb78SPaul Blakey struct geneve_opt *opt; 17350a7fcb78SPaul Blakey int off = 0; 1736bcef735cSOr Gerlitz 17370a7fcb78SPaul Blakey *dont_care = true; 1738bcef735cSOr Gerlitz 17390a7fcb78SPaul Blakey while (opts->len > off) { 17400a7fcb78SPaul Blakey opt = (struct geneve_opt *)&opts->data[off]; 1741e98bedf5SEli Britstein 17420a7fcb78SPaul Blakey if (!(*dont_care) || opt->opt_class || opt->type || 17430a7fcb78SPaul Blakey memchr_inv(opt->opt_data, 0, opt->length * 4)) { 17440a7fcb78SPaul Blakey *dont_care = false; 17450a7fcb78SPaul Blakey 1746c51323eeSSaeed Mahameed if (opt->opt_class != htons(U16_MAX) || 1747d7a42ad0SRoi Dayan opt->type != U8_MAX) { 1748c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 17490a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 17500a7fcb78SPaul Blakey netdev_warn(priv->netdev, 17510a7fcb78SPaul Blakey "Partial match of tunnel options in chain > 0 isn't supported"); 1752e98bedf5SEli Britstein return -EOPNOTSUPP; 1753e98bedf5SEli Britstein } 1754bcef735cSOr Gerlitz } 1755bcef735cSOr Gerlitz 17560a7fcb78SPaul Blakey off += sizeof(struct geneve_opt) + opt->length * 4; 1757bbd00f7eSHadar Hen Zion } 1758bbd00f7eSHadar Hen Zion 1759bbd00f7eSHadar Hen Zion return 0; 1760bbd00f7eSHadar Hen Zion } 1761bbd00f7eSHadar Hen Zion 17620a7fcb78SPaul Blakey #define COPY_DISSECTOR(rule, diss_key, dst)\ 17630a7fcb78SPaul Blakey ({ \ 17640a7fcb78SPaul Blakey struct flow_rule *__rule = (rule);\ 17650a7fcb78SPaul Blakey typeof(dst) __dst = dst;\ 17660a7fcb78SPaul Blakey \ 17670a7fcb78SPaul Blakey memcpy(__dst,\ 17680a7fcb78SPaul Blakey skb_flow_dissector_target(__rule->match.dissector,\ 17690a7fcb78SPaul Blakey diss_key,\ 17700a7fcb78SPaul Blakey __rule->match.key),\ 17710a7fcb78SPaul Blakey sizeof(*__dst));\ 17720a7fcb78SPaul Blakey }) 17730a7fcb78SPaul Blakey 17740a7fcb78SPaul Blakey static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv, 17750a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 17760a7fcb78SPaul Blakey struct flow_cls_offload *f, 17770a7fcb78SPaul Blakey struct net_device *filter_dev) 17788377629eSEli Britstein { 17790a7fcb78SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 17800a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 17810a7fcb78SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts; 17820a7fcb78SPaul Blakey struct flow_match_enc_opts enc_opts_match; 1783d7a42ad0SRoi Dayan struct tunnel_match_enc_opts tun_enc_opts; 17840a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 1785c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 17860a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 17870a7fcb78SPaul Blakey struct tunnel_match_key tunnel_key; 17880a7fcb78SPaul Blakey bool enc_opts_is_dont_care = true; 17890a7fcb78SPaul Blakey u32 tun_id, enc_opts_id = 0; 17900a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 17910a7fcb78SPaul Blakey u32 value, mask; 17920a7fcb78SPaul Blakey int err; 17930a7fcb78SPaul Blakey 17940a7fcb78SPaul Blakey esw = priv->mdev->priv.eswitch; 17950a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 17960a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 17970a7fcb78SPaul Blakey 17980a7fcb78SPaul Blakey memset(&tunnel_key, 0, sizeof(tunnel_key)); 17990a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL, 18000a7fcb78SPaul Blakey &tunnel_key.enc_control); 18010a7fcb78SPaul Blakey if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) 18020a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, 18030a7fcb78SPaul Blakey &tunnel_key.enc_ipv4); 18040a7fcb78SPaul Blakey else 18050a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, 18060a7fcb78SPaul Blakey &tunnel_key.enc_ipv6); 18070a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip); 18080a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS, 18090a7fcb78SPaul Blakey &tunnel_key.enc_tp); 18100a7fcb78SPaul Blakey COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID, 18110a7fcb78SPaul Blakey &tunnel_key.enc_key_id); 18120a7fcb78SPaul Blakey tunnel_key.filter_ifindex = filter_dev->ifindex; 18130a7fcb78SPaul Blakey 18140a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id); 18150a7fcb78SPaul Blakey if (err) 18160a7fcb78SPaul Blakey return err; 18170a7fcb78SPaul Blakey 18180a7fcb78SPaul Blakey flow_rule_match_enc_opts(rule, &enc_opts_match); 18190a7fcb78SPaul Blakey err = enc_opts_is_dont_care_or_full_match(priv, 18200a7fcb78SPaul Blakey enc_opts_match.mask, 18210a7fcb78SPaul Blakey extack, 18220a7fcb78SPaul Blakey &enc_opts_is_dont_care); 18230a7fcb78SPaul Blakey if (err) 18240a7fcb78SPaul Blakey goto err_enc_opts; 18250a7fcb78SPaul Blakey 18260a7fcb78SPaul Blakey if (!enc_opts_is_dont_care) { 1827d7a42ad0SRoi Dayan memset(&tun_enc_opts, 0, sizeof(tun_enc_opts)); 1828d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.key, enc_opts_match.key, 1829d7a42ad0SRoi Dayan sizeof(*enc_opts_match.key)); 1830d7a42ad0SRoi Dayan memcpy(&tun_enc_opts.mask, enc_opts_match.mask, 1831d7a42ad0SRoi Dayan sizeof(*enc_opts_match.mask)); 1832d7a42ad0SRoi Dayan 18330a7fcb78SPaul Blakey err = mapping_add(uplink_priv->tunnel_enc_opts_mapping, 1834d7a42ad0SRoi Dayan &tun_enc_opts, &enc_opts_id); 18350a7fcb78SPaul Blakey if (err) 18360a7fcb78SPaul Blakey goto err_enc_opts; 18370a7fcb78SPaul Blakey } 18380a7fcb78SPaul Blakey 18390a7fcb78SPaul Blakey value = tun_id << ENC_OPTS_BITS | enc_opts_id; 18400a7fcb78SPaul Blakey mask = enc_opts_id ? TUNNEL_ID_MASK : 18410a7fcb78SPaul Blakey (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK); 18420a7fcb78SPaul Blakey 18430a7fcb78SPaul Blakey if (attr->chain) { 18440a7fcb78SPaul Blakey mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec, 18450a7fcb78SPaul Blakey TUNNEL_TO_REG, value, mask); 18460a7fcb78SPaul Blakey } else { 18470a7fcb78SPaul Blakey mod_hdr_acts = &attr->parse_attr->mod_hdr_acts; 18480a7fcb78SPaul Blakey err = mlx5e_tc_match_to_reg_set(priv->mdev, 1849aedd133dSAriel Levkovich mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB, 18500a7fcb78SPaul Blakey TUNNEL_TO_REG, value); 18510a7fcb78SPaul Blakey if (err) 18520a7fcb78SPaul Blakey goto err_set; 18530a7fcb78SPaul Blakey 18540a7fcb78SPaul Blakey attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 18550a7fcb78SPaul Blakey } 18560a7fcb78SPaul Blakey 18570a7fcb78SPaul Blakey flow->tunnel_id = value; 18580a7fcb78SPaul Blakey return 0; 18590a7fcb78SPaul Blakey 18600a7fcb78SPaul Blakey err_set: 18610a7fcb78SPaul Blakey if (enc_opts_id) 18620a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18630a7fcb78SPaul Blakey enc_opts_id); 18640a7fcb78SPaul Blakey err_enc_opts: 18650a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18660a7fcb78SPaul Blakey return err; 18670a7fcb78SPaul Blakey } 18680a7fcb78SPaul Blakey 18690a7fcb78SPaul Blakey static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow) 18700a7fcb78SPaul Blakey { 18710a7fcb78SPaul Blakey u32 enc_opts_id = flow->tunnel_id & ENC_OPTS_BITS_MASK; 18720a7fcb78SPaul Blakey u32 tun_id = flow->tunnel_id >> ENC_OPTS_BITS; 18730a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 18740a7fcb78SPaul Blakey struct mlx5e_rep_priv *uplink_rpriv; 18750a7fcb78SPaul Blakey struct mlx5_eswitch *esw; 18760a7fcb78SPaul Blakey 18770a7fcb78SPaul Blakey esw = flow->priv->mdev->priv.eswitch; 18780a7fcb78SPaul Blakey uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 18790a7fcb78SPaul Blakey uplink_priv = &uplink_rpriv->uplink_priv; 18800a7fcb78SPaul Blakey 18810a7fcb78SPaul Blakey if (tun_id) 18820a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_mapping, tun_id); 18830a7fcb78SPaul Blakey if (enc_opts_id) 18840a7fcb78SPaul Blakey mapping_remove(uplink_priv->tunnel_enc_opts_mapping, 18850a7fcb78SPaul Blakey enc_opts_id); 18860a7fcb78SPaul Blakey } 18870a7fcb78SPaul Blakey 18884c3844d9SPaul Blakey u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) 18894c3844d9SPaul Blakey { 18904c3844d9SPaul Blakey return flow->tunnel_id; 18914c3844d9SPaul Blakey } 18924c3844d9SPaul Blakey 1893fca53304SEli Britstein void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, 1894fca53304SEli Britstein struct flow_match_basic *match, bool outer, 1895fca53304SEli Britstein void *headers_c, void *headers_v) 18964a5d5d73SEli Britstein { 1897fca53304SEli Britstein bool ip_version_cap; 1898fca53304SEli Britstein 1899fca53304SEli Britstein ip_version_cap = outer ? 1900fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1901fca53304SEli Britstein ft_field_support.outer_ip_version) : 1902fca53304SEli Britstein MLX5_CAP_FLOWTABLE_NIC_RX(mdev, 1903fca53304SEli Britstein ft_field_support.inner_ip_version); 1904fca53304SEli Britstein 1905fca53304SEli Britstein if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && 1906fca53304SEli Britstein (match->key->n_proto == htons(ETH_P_IP) || 1907fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IPV6))) { 1908fca53304SEli Britstein MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); 1909fca53304SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, 1910fca53304SEli Britstein match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); 1911fca53304SEli Britstein } else { 19124a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, 19134a5d5d73SEli Britstein ntohs(match->mask->n_proto)); 19144a5d5d73SEli Britstein MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, 19154a5d5d73SEli Britstein ntohs(match->key->n_proto)); 19164a5d5d73SEli Britstein } 1917fca53304SEli Britstein } 19184a5d5d73SEli Britstein 19190d9f9647SVlad Buslov u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer) 1920a508728aSVlad Buslov { 1921a508728aSVlad Buslov void *headers_v; 1922a508728aSVlad Buslov u16 ethertype; 1923a508728aSVlad Buslov u8 ip_version; 1924a508728aSVlad Buslov 1925a508728aSVlad Buslov if (outer) 1926a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); 1927a508728aSVlad Buslov else 1928a508728aSVlad Buslov headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers); 1929a508728aSVlad Buslov 1930a508728aSVlad Buslov ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version); 1931a508728aSVlad Buslov /* Return ip_version converted from ethertype anyway */ 1932a508728aSVlad Buslov if (!ip_version) { 1933a508728aSVlad Buslov ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 1934a508728aSVlad Buslov if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP) 1935a508728aSVlad Buslov ip_version = 4; 1936a508728aSVlad Buslov else if (ethertype == ETH_P_IPV6) 1937a508728aSVlad Buslov ip_version = 6; 1938a508728aSVlad Buslov } 1939a508728aSVlad Buslov return ip_version; 1940a508728aSVlad Buslov } 1941a508728aSVlad Buslov 1942b6dfff21SPaul Blakey /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h. 1943b6dfff21SPaul Blakey * And changes inner ip_ecn depending on inner and outer ip_ecn as follows: 1944b6dfff21SPaul Blakey * +---------+----------------------------------------+ 1945b6dfff21SPaul Blakey * |Arriving | Arriving Outer Header | 1946b6dfff21SPaul Blakey * | Inner +---------+---------+---------+----------+ 1947b6dfff21SPaul Blakey * | Header | Not-ECT | ECT(0) | ECT(1) | CE | 1948b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 1949b6dfff21SPaul Blakey * | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop> | 1950b6dfff21SPaul Blakey * | ECT(0) | ECT(0) | ECT(0) | ECT(1) | CE* | 1951b6dfff21SPaul Blakey * | ECT(1) | ECT(1) | ECT(1) | ECT(1)* | CE* | 1952b6dfff21SPaul Blakey * | CE | CE | CE | CE | CE | 1953b6dfff21SPaul Blakey * +---------+---------+---------+---------+----------+ 1954b6dfff21SPaul Blakey * 1955b6dfff21SPaul Blakey * Tc matches on inner after decapsulation on tunnel device, but hw offload matches 1956b6dfff21SPaul Blakey * the inner ip_ecn value before hardware decap action. 1957b6dfff21SPaul Blakey * 1958b6dfff21SPaul Blakey * Cells marked are changed from original inner packet ip_ecn value during decap, and 1959b6dfff21SPaul Blakey * so matching those values on inner ip_ecn before decap will fail. 1960b6dfff21SPaul Blakey * 1961b6dfff21SPaul Blakey * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn, 1962b6dfff21SPaul Blakey * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE, 1963b6dfff21SPaul Blakey * and such we can drop the inner ip_ecn=CE match. 1964b6dfff21SPaul Blakey */ 1965b6dfff21SPaul Blakey 1966b6dfff21SPaul Blakey static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv, 1967b6dfff21SPaul Blakey struct flow_cls_offload *f, 1968b6dfff21SPaul Blakey bool *match_inner_ecn) 1969b6dfff21SPaul Blakey { 1970b6dfff21SPaul Blakey u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0; 1971b6dfff21SPaul Blakey struct flow_rule *rule = flow_cls_offload_flow_rule(f); 1972b6dfff21SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 1973b6dfff21SPaul Blakey struct flow_match_ip match; 1974b6dfff21SPaul Blakey 1975b6dfff21SPaul Blakey *match_inner_ecn = true; 1976b6dfff21SPaul Blakey 1977b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) { 1978b6dfff21SPaul Blakey flow_rule_match_enc_ip(rule, &match); 1979b6dfff21SPaul Blakey outer_ecn_key = match.key->tos & INET_ECN_MASK; 1980b6dfff21SPaul Blakey outer_ecn_mask = match.mask->tos & INET_ECN_MASK; 1981b6dfff21SPaul Blakey } 1982b6dfff21SPaul Blakey 1983b6dfff21SPaul Blakey if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 1984b6dfff21SPaul Blakey flow_rule_match_ip(rule, &match); 1985b6dfff21SPaul Blakey inner_ecn_key = match.key->tos & INET_ECN_MASK; 1986b6dfff21SPaul Blakey inner_ecn_mask = match.mask->tos & INET_ECN_MASK; 1987b6dfff21SPaul Blakey } 1988b6dfff21SPaul Blakey 1989b6dfff21SPaul Blakey if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) { 1990b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported"); 1991b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported"); 1992b6dfff21SPaul Blakey return -EOPNOTSUPP; 1993b6dfff21SPaul Blakey } 1994b6dfff21SPaul Blakey 1995b6dfff21SPaul Blakey if (!outer_ecn_mask) { 1996b6dfff21SPaul Blakey if (!inner_ecn_mask) 1997b6dfff21SPaul Blakey return 0; 1998b6dfff21SPaul Blakey 1999b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2000b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2001b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2002b6dfff21SPaul Blakey "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported"); 2003b6dfff21SPaul Blakey return -EOPNOTSUPP; 2004b6dfff21SPaul Blakey } 2005b6dfff21SPaul Blakey 2006b6dfff21SPaul Blakey if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) { 2007b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2008b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2009b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2010b6dfff21SPaul Blakey "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported"); 2011b6dfff21SPaul Blakey return -EOPNOTSUPP; 2012b6dfff21SPaul Blakey } 2013b6dfff21SPaul Blakey 2014b6dfff21SPaul Blakey if (!inner_ecn_mask) 2015b6dfff21SPaul Blakey return 0; 2016b6dfff21SPaul Blakey 2017b6dfff21SPaul Blakey /* Both inner and outer have full mask on ecn */ 2018b6dfff21SPaul Blakey 2019b6dfff21SPaul Blakey if (outer_ecn_key == INET_ECN_ECT_1) { 2020b6dfff21SPaul Blakey /* inner ecn might change by DECAP action */ 2021b6dfff21SPaul Blakey 2022b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported"); 2023b6dfff21SPaul Blakey netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported"); 2024b6dfff21SPaul Blakey return -EOPNOTSUPP; 2025b6dfff21SPaul Blakey } 2026b6dfff21SPaul Blakey 2027b6dfff21SPaul Blakey if (outer_ecn_key != INET_ECN_CE) 2028b6dfff21SPaul Blakey return 0; 2029b6dfff21SPaul Blakey 2030b6dfff21SPaul Blakey if (inner_ecn_key != INET_ECN_CE) { 2031b6dfff21SPaul Blakey /* Can't happen in software, as packet ecn will be changed to CE after decap */ 2032b6dfff21SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 2033b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2034b6dfff21SPaul Blakey netdev_warn(priv->netdev, 2035b6dfff21SPaul Blakey "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported"); 2036b6dfff21SPaul Blakey return -EOPNOTSUPP; 2037b6dfff21SPaul Blakey } 2038b6dfff21SPaul Blakey 2039b6dfff21SPaul Blakey /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase, 2040b6dfff21SPaul Blakey * drop match on inner ecn 2041b6dfff21SPaul Blakey */ 2042b6dfff21SPaul Blakey *match_inner_ecn = false; 2043b6dfff21SPaul Blakey 2044b6dfff21SPaul Blakey return 0; 2045b6dfff21SPaul Blakey } 2046b6dfff21SPaul Blakey 20470a7fcb78SPaul Blakey static int parse_tunnel_attr(struct mlx5e_priv *priv, 20480a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 20490a7fcb78SPaul Blakey struct mlx5_flow_spec *spec, 20500a7fcb78SPaul Blakey struct flow_cls_offload *f, 20510a7fcb78SPaul Blakey struct net_device *filter_dev, 20520a7fcb78SPaul Blakey u8 *match_level, 20530a7fcb78SPaul Blakey bool *match_inner) 20540a7fcb78SPaul Blakey { 2055a508728aSVlad Buslov struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev); 20560a7fcb78SPaul Blakey struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 20570a7fcb78SPaul Blakey struct netlink_ext_ack *extack = f->common.extack; 20580a7fcb78SPaul Blakey bool needs_mapping, sets_mapping; 20590a7fcb78SPaul Blakey int err; 20600a7fcb78SPaul Blakey 20610885ae1aSAbhiram R N if (!mlx5e_is_eswitch_flow(flow)) { 20620885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported"); 20630a7fcb78SPaul Blakey return -EOPNOTSUPP; 20640885ae1aSAbhiram R N } 20650a7fcb78SPaul Blakey 2066c620b772SAriel Levkovich needs_mapping = !!flow->attr->chain; 2067ee950e5dSChris Mi sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f); 20680a7fcb78SPaul Blakey *match_inner = !needs_mapping; 20690a7fcb78SPaul Blakey 20700a7fcb78SPaul Blakey if ((needs_mapping || sets_mapping) && 2071636bb968SPaul Blakey !mlx5_eswitch_reg_c1_loopback_enabled(esw)) { 2072c50775d0SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2073636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 20740a7fcb78SPaul Blakey netdev_warn(priv->netdev, 2075636bb968SPaul Blakey "Chains on tunnel devices isn't supported without register loopback support"); 20760a7fcb78SPaul Blakey return -EOPNOTSUPP; 20770a7fcb78SPaul Blakey } 20780a7fcb78SPaul Blakey 2079c620b772SAriel Levkovich if (!flow->attr->chain) { 20800a7fcb78SPaul Blakey err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f, 20810a7fcb78SPaul Blakey match_level); 20820a7fcb78SPaul Blakey if (err) { 20830a7fcb78SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 20840a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 20850a7fcb78SPaul Blakey netdev_warn(priv->netdev, 20860a7fcb78SPaul Blakey "Failed to parse tunnel attributes"); 20870a7fcb78SPaul Blakey return err; 20880a7fcb78SPaul Blakey } 20890a7fcb78SPaul Blakey 209014e6b038SEli Cohen /* With mpls over udp we decapsulate using packet reformat 209114e6b038SEli Cohen * object 209214e6b038SEli Cohen */ 209314e6b038SEli Cohen if (!netif_is_bareudp(filter_dev)) 2094c620b772SAriel Levkovich flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP; 2095a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, spec); 2096a508728aSVlad Buslov if (err) 2097a508728aSVlad Buslov return err; 2098a508728aSVlad Buslov } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) { 2099a508728aSVlad Buslov struct mlx5_flow_spec *tmp_spec; 2100a508728aSVlad Buslov 2101a508728aSVlad Buslov tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL); 2102a508728aSVlad Buslov if (!tmp_spec) { 2103a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec"); 2104a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec"); 2105a508728aSVlad Buslov return -ENOMEM; 2106a508728aSVlad Buslov } 2107a508728aSVlad Buslov memcpy(tmp_spec, spec, sizeof(*tmp_spec)); 2108a508728aSVlad Buslov 2109a508728aSVlad Buslov err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level); 2110a508728aSVlad Buslov if (err) { 2111a508728aSVlad Buslov kvfree(tmp_spec); 2112a508728aSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes"); 2113a508728aSVlad Buslov netdev_warn(priv->netdev, "Failed to parse tunnel attributes"); 2114a508728aSVlad Buslov return err; 2115a508728aSVlad Buslov } 2116a508728aSVlad Buslov err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec); 2117a508728aSVlad Buslov kvfree(tmp_spec); 2118a508728aSVlad Buslov if (err) 2119a508728aSVlad Buslov return err; 21200a7fcb78SPaul Blakey } 21210a7fcb78SPaul Blakey 21220a7fcb78SPaul Blakey if (!needs_mapping && !sets_mapping) 21230a7fcb78SPaul Blakey return 0; 21240a7fcb78SPaul Blakey 21250a7fcb78SPaul Blakey return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev); 21260a7fcb78SPaul Blakey } 21270a7fcb78SPaul Blakey 21280a7fcb78SPaul Blakey static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec) 21290a7fcb78SPaul Blakey { 21300a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 21310a7fcb78SPaul Blakey inner_headers); 21320a7fcb78SPaul Blakey } 21330a7fcb78SPaul Blakey 21340a7fcb78SPaul Blakey static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec) 21350a7fcb78SPaul Blakey { 21360a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 21370a7fcb78SPaul Blakey inner_headers); 21380a7fcb78SPaul Blakey } 21390a7fcb78SPaul Blakey 21400a7fcb78SPaul Blakey static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec) 21410a7fcb78SPaul Blakey { 21420a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 21430a7fcb78SPaul Blakey outer_headers); 21440a7fcb78SPaul Blakey } 21450a7fcb78SPaul Blakey 21460a7fcb78SPaul Blakey static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec) 21470a7fcb78SPaul Blakey { 21480a7fcb78SPaul Blakey return MLX5_ADDR_OF(fte_match_param, spec->match_value, 21498377629eSEli Britstein outer_headers); 21508377629eSEli Britstein } 21518377629eSEli Britstein 21528ee72638SRoi Dayan void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec) 21538377629eSEli Britstein { 21548377629eSEli Britstein return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 21550a7fcb78SPaul Blakey get_match_inner_headers_value(spec) : 21560a7fcb78SPaul Blakey get_match_outer_headers_value(spec); 21570a7fcb78SPaul Blakey } 21580a7fcb78SPaul Blakey 21598ee72638SRoi Dayan void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec) 21600a7fcb78SPaul Blakey { 21610a7fcb78SPaul Blakey return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ? 21620a7fcb78SPaul Blakey get_match_inner_headers_criteria(spec) : 21630a7fcb78SPaul Blakey get_match_outer_headers_criteria(spec); 21648377629eSEli Britstein } 21658377629eSEli Britstein 21666d65bc64Swenxu static int mlx5e_flower_parse_meta(struct net_device *filter_dev, 21676d65bc64Swenxu struct flow_cls_offload *f) 21686d65bc64Swenxu { 21696d65bc64Swenxu struct flow_rule *rule = flow_cls_offload_flow_rule(f); 21706d65bc64Swenxu struct netlink_ext_ack *extack = f->common.extack; 21716d65bc64Swenxu struct net_device *ingress_dev; 21726d65bc64Swenxu struct flow_match_meta match; 21736d65bc64Swenxu 21746d65bc64Swenxu if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) 21756d65bc64Swenxu return 0; 21766d65bc64Swenxu 21776d65bc64Swenxu flow_rule_match_meta(rule, &match); 2178e3e0f9b2Swenxu if (!match.mask->ingress_ifindex) 2179e3e0f9b2Swenxu return 0; 2180e3e0f9b2Swenxu 21816d65bc64Swenxu if (match.mask->ingress_ifindex != 0xFFFFFFFF) { 21826d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask"); 2183a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 21846d65bc64Swenxu } 21856d65bc64Swenxu 21866d65bc64Swenxu ingress_dev = __dev_get_by_index(dev_net(filter_dev), 21876d65bc64Swenxu match.key->ingress_ifindex); 21886d65bc64Swenxu if (!ingress_dev) { 21896d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 21906d65bc64Swenxu "Can't find the ingress port to match on"); 2191a683012aSPablo Neira Ayuso return -ENOENT; 21926d65bc64Swenxu } 21936d65bc64Swenxu 21946d65bc64Swenxu if (ingress_dev != filter_dev) { 21956d65bc64Swenxu NL_SET_ERR_MSG_MOD(extack, 21966d65bc64Swenxu "Can't match on the ingress filter port"); 2197a683012aSPablo Neira Ayuso return -EOPNOTSUPP; 21986d65bc64Swenxu } 21996d65bc64Swenxu 22006d65bc64Swenxu return 0; 22016d65bc64Swenxu } 22026d65bc64Swenxu 220372046a91SEli Cohen static bool skip_key_basic(struct net_device *filter_dev, 220472046a91SEli Cohen struct flow_cls_offload *f) 220572046a91SEli Cohen { 220672046a91SEli Cohen /* When doing mpls over udp decap, the user needs to provide 220772046a91SEli Cohen * MPLS_UC as the protocol in order to be able to match on mpls 220872046a91SEli Cohen * label fields. However, the actual ethertype is IP so we want to 220972046a91SEli Cohen * avoid matching on this, otherwise we'll fail the match. 221072046a91SEli Cohen */ 221172046a91SEli Cohen if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0) 221272046a91SEli Cohen return true; 221372046a91SEli Cohen 221472046a91SEli Cohen return false; 221572046a91SEli Cohen } 221672046a91SEli Cohen 2217de0af0bfSRoi Dayan static int __parse_cls_flower(struct mlx5e_priv *priv, 22180a7fcb78SPaul Blakey struct mlx5e_tc_flow *flow, 2219de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2220f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 222154c177caSOz Shlomo struct net_device *filter_dev, 222293b3586eSHuy Nguyen u8 *inner_match_level, u8 *outer_match_level) 2223e3a2b7edSAmir Vadai { 2224e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2225c5bb1730SMaor Gottlieb void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2226c5bb1730SMaor Gottlieb outer_headers); 2227c5bb1730SMaor Gottlieb void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2228c5bb1730SMaor Gottlieb outer_headers); 2229699e96ddSJianbo Liu void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2230699e96ddSJianbo Liu misc_parameters); 2231699e96ddSJianbo Liu void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2232699e96ddSJianbo Liu misc_parameters); 2233a3222a2dSMaor Dickman void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, 2234a3222a2dSMaor Dickman misc_parameters_3); 2235a3222a2dSMaor Dickman void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value, 2236a3222a2dSMaor Dickman misc_parameters_3); 2237f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 22388f256622SPablo Neira Ayuso struct flow_dissector *dissector = rule->match.dissector; 2239afe93f71SRoi Dayan enum fs_flow_table_type fs_type; 2240b6dfff21SPaul Blakey bool match_inner_ecn = true; 2241e3a2b7edSAmir Vadai u16 addr_type = 0; 2242e3a2b7edSAmir Vadai u8 ip_proto = 0; 224393b3586eSHuy Nguyen u8 *match_level; 22446d65bc64Swenxu int err; 2245e3a2b7edSAmir Vadai 2246afe93f71SRoi Dayan fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; 224793b3586eSHuy Nguyen match_level = outer_match_level; 2248de0af0bfSRoi Dayan 22498f256622SPablo Neira Ayuso if (dissector->used_keys & 22503d144578SVlad Buslov ~(BIT(FLOW_DISSECTOR_KEY_META) | 22513d144578SVlad Buslov BIT(FLOW_DISSECTOR_KEY_CONTROL) | 2252e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_BASIC) | 2253e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | 2254095b6cfdSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_VLAN) | 2255699e96ddSJianbo Liu BIT(FLOW_DISSECTOR_KEY_CVLAN) | 2256e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | 2257e3a2b7edSAmir Vadai BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | 2258bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_PORTS) | 2259bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | 2260bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | 2261bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | 2262bbd00f7eSHadar Hen Zion BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | 2263e77834ecSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | 2264fd7da28bSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_TCP) | 2265bcef735cSOr Gerlitz BIT(FLOW_DISSECTOR_KEY_IP) | 22664c3844d9SPaul Blakey BIT(FLOW_DISSECTOR_KEY_CT) | 22679272e3dfSYevgeny Kliteynik BIT(FLOW_DISSECTOR_KEY_ENC_IP) | 226872046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | 2269a3222a2dSMaor Dickman BIT(FLOW_DISSECTOR_KEY_ICMP) | 227072046a91SEli Cohen BIT(FLOW_DISSECTOR_KEY_MPLS))) { 2271e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, "Unsupported key"); 227248470a90SMaor Dickman netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n", 22738f256622SPablo Neira Ayuso dissector->used_keys); 2274e3a2b7edSAmir Vadai return -EOPNOTSUPP; 2275e3a2b7edSAmir Vadai } 2276e3a2b7edSAmir Vadai 2277075973c7SVlad Buslov if (mlx5e_get_tc_tun(filter_dev)) { 22780a7fcb78SPaul Blakey bool match_inner = false; 2279bbd00f7eSHadar Hen Zion 22800a7fcb78SPaul Blakey err = parse_tunnel_attr(priv, flow, spec, f, filter_dev, 22810a7fcb78SPaul Blakey outer_match_level, &match_inner); 22820a7fcb78SPaul Blakey if (err) 22830a7fcb78SPaul Blakey return err; 22840a7fcb78SPaul Blakey 22850a7fcb78SPaul Blakey if (match_inner) { 22860a7fcb78SPaul Blakey /* header pointers should point to the inner headers 22870a7fcb78SPaul Blakey * if the packet was decapsulated already. 22880a7fcb78SPaul Blakey * outer headers are set by parse_tunnel_attr. 2289bbd00f7eSHadar Hen Zion */ 229093b3586eSHuy Nguyen match_level = inner_match_level; 22910a7fcb78SPaul Blakey headers_c = get_match_inner_headers_criteria(spec); 22920a7fcb78SPaul Blakey headers_v = get_match_inner_headers_value(spec); 22930a7fcb78SPaul Blakey } 2294b6dfff21SPaul Blakey 2295b6dfff21SPaul Blakey err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn); 2296b6dfff21SPaul Blakey if (err) 2297b6dfff21SPaul Blakey return err; 2298bbd00f7eSHadar Hen Zion } 2299bbd00f7eSHadar Hen Zion 23006d65bc64Swenxu err = mlx5e_flower_parse_meta(filter_dev, f); 23016d65bc64Swenxu if (err) 23026d65bc64Swenxu return err; 23036d65bc64Swenxu 230472046a91SEli Cohen if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) && 230572046a91SEli Cohen !skip_key_basic(filter_dev, f)) { 23068f256622SPablo Neira Ayuso struct flow_match_basic match; 2307e3a2b7edSAmir Vadai 23088f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 2309fca53304SEli Britstein mlx5e_tc_set_ethertype(priv->mdev, &match, 2310fca53304SEli Britstein match_level == outer_match_level, 2311fca53304SEli Britstein headers_c, headers_v); 23128f256622SPablo Neira Ayuso 23138f256622SPablo Neira Ayuso if (match.mask->n_proto) 2314d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2315e3a2b7edSAmir Vadai } 231635a605dbSEli Britstein if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) || 231735a605dbSEli Britstein is_vlan_dev(filter_dev)) { 231835a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_mask; 231935a605dbSEli Britstein struct flow_dissector_key_vlan filter_dev_key; 23208f256622SPablo Neira Ayuso struct flow_match_vlan match; 23218f256622SPablo Neira Ayuso 232235a605dbSEli Britstein if (is_vlan_dev(filter_dev)) { 232335a605dbSEli Britstein match.key = &filter_dev_key; 232435a605dbSEli Britstein match.key->vlan_id = vlan_dev_vlan_id(filter_dev); 232535a605dbSEli Britstein match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev); 232635a605dbSEli Britstein match.key->vlan_priority = 0; 232735a605dbSEli Britstein match.mask = &filter_dev_mask; 232835a605dbSEli Britstein memset(match.mask, 0xff, sizeof(*match.mask)); 232935a605dbSEli Britstein match.mask->vlan_priority = 0; 233035a605dbSEli Britstein } else { 23318f256622SPablo Neira Ayuso flow_rule_match_vlan(rule, &match); 233235a605dbSEli Britstein } 23338f256622SPablo Neira Ayuso if (match.mask->vlan_id || 23348f256622SPablo Neira Ayuso match.mask->vlan_priority || 23358f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 23368f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2337699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2338699e96ddSJianbo Liu svlan_tag, 1); 2339699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2340699e96ddSJianbo Liu svlan_tag, 1); 2341699e96ddSJianbo Liu } else { 2342699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, 2343699e96ddSJianbo Liu cvlan_tag, 1); 2344699e96ddSJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_v, 2345699e96ddSJianbo Liu cvlan_tag, 1); 2346699e96ddSJianbo Liu } 2347095b6cfdSOr Gerlitz 23488f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, 23498f256622SPablo Neira Ayuso match.mask->vlan_id); 23508f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, 23518f256622SPablo Neira Ayuso match.key->vlan_id); 2352358d79a4SOr Gerlitz 23538f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, 23548f256622SPablo Neira Ayuso match.mask->vlan_priority); 23558f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, 23568f256622SPablo Neira Ayuso match.key->vlan_priority); 235754782900SOr Gerlitz 2358d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 2359095b6cfdSOr Gerlitz } 2360d3a80bb5SOr Gerlitz } else if (*match_level != MLX5_MATCH_NONE) { 2361fc603294SMark Bloch /* cvlan_tag enabled in match criteria and 2362fc603294SMark Bloch * disabled in match value means both S & C tags 2363fc603294SMark Bloch * don't exist (untagged of both) 2364fc603294SMark Bloch */ 2365cee26487SJianbo Liu MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); 2366d3a80bb5SOr Gerlitz *match_level = MLX5_MATCH_L2; 2367095b6cfdSOr Gerlitz } 2368095b6cfdSOr Gerlitz 23698f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) { 23708f256622SPablo Neira Ayuso struct flow_match_vlan match; 23718f256622SPablo Neira Ayuso 237212d5cbf8SJianbo Liu flow_rule_match_cvlan(rule, &match); 23738f256622SPablo Neira Ayuso if (match.mask->vlan_id || 23748f256622SPablo Neira Ayuso match.mask->vlan_priority || 23758f256622SPablo Neira Ayuso match.mask->vlan_tpid) { 2376afe93f71SRoi Dayan if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, 2377afe93f71SRoi Dayan fs_type)) { 2378afe93f71SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 2379afe93f71SRoi Dayan "Matching on CVLAN is not supported"); 2380afe93f71SRoi Dayan return -EOPNOTSUPP; 2381afe93f71SRoi Dayan } 2382afe93f71SRoi Dayan 23838f256622SPablo Neira Ayuso if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { 2384699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2385699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2386699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2387699e96ddSJianbo Liu outer_second_svlan_tag, 1); 2388699e96ddSJianbo Liu } else { 2389699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, 2390699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2391699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, 2392699e96ddSJianbo Liu outer_second_cvlan_tag, 1); 2393699e96ddSJianbo Liu } 2394699e96ddSJianbo Liu 2395699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid, 23968f256622SPablo Neira Ayuso match.mask->vlan_id); 2397699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid, 23988f256622SPablo Neira Ayuso match.key->vlan_id); 2399699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio, 24008f256622SPablo Neira Ayuso match.mask->vlan_priority); 2401699e96ddSJianbo Liu MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio, 24028f256622SPablo Neira Ayuso match.key->vlan_priority); 2403699e96ddSJianbo Liu 2404699e96ddSJianbo Liu *match_level = MLX5_MATCH_L2; 24050faddfe6SJianbo Liu spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; 2406699e96ddSJianbo Liu } 2407699e96ddSJianbo Liu } 2408699e96ddSJianbo Liu 24098f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) { 24108f256622SPablo Neira Ayuso struct flow_match_eth_addrs match; 241154782900SOr Gerlitz 24128f256622SPablo Neira Ayuso flow_rule_match_eth_addrs(rule, &match); 2413d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2414d3a80bb5SOr Gerlitz dmac_47_16), 24158f256622SPablo Neira Ayuso match.mask->dst); 2416d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2417d3a80bb5SOr Gerlitz dmac_47_16), 24188f256622SPablo Neira Ayuso match.key->dst); 2419d3a80bb5SOr Gerlitz 2420d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2421d3a80bb5SOr Gerlitz smac_47_16), 24228f256622SPablo Neira Ayuso match.mask->src); 2423d3a80bb5SOr Gerlitz ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2424d3a80bb5SOr Gerlitz smac_47_16), 24258f256622SPablo Neira Ayuso match.key->src); 2426d3a80bb5SOr Gerlitz 24278f256622SPablo Neira Ayuso if (!is_zero_ether_addr(match.mask->src) || 24288f256622SPablo Neira Ayuso !is_zero_ether_addr(match.mask->dst)) 2429d708f902SOr Gerlitz *match_level = MLX5_MATCH_L2; 243054782900SOr Gerlitz } 243154782900SOr Gerlitz 24328f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { 24338f256622SPablo Neira Ayuso struct flow_match_control match; 243454782900SOr Gerlitz 24358f256622SPablo Neira Ayuso flow_rule_match_control(rule, &match); 24368f256622SPablo Neira Ayuso addr_type = match.key->addr_type; 243754782900SOr Gerlitz 243854782900SOr Gerlitz /* the HW doesn't support frag first/later */ 24390885ae1aSAbhiram R N if (match.mask->flags & FLOW_DIS_FIRST_FRAG) { 24400885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported"); 244154782900SOr Gerlitz return -EOPNOTSUPP; 24420885ae1aSAbhiram R N } 244354782900SOr Gerlitz 24448f256622SPablo Neira Ayuso if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) { 244554782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); 244654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, 24478f256622SPablo Neira Ayuso match.key->flags & FLOW_DIS_IS_FRAGMENT); 244854782900SOr Gerlitz 244954782900SOr Gerlitz /* the HW doesn't need L3 inline to match on frag=no */ 24508f256622SPablo Neira Ayuso if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT)) 245183621b7dSOr Gerlitz *match_level = MLX5_MATCH_L2; 245254782900SOr Gerlitz /* *** L2 attributes parsing up to here *** */ 245354782900SOr Gerlitz else 245483621b7dSOr Gerlitz *match_level = MLX5_MATCH_L3; 245554782900SOr Gerlitz } 245654782900SOr Gerlitz } 245754782900SOr Gerlitz 24588f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { 24598f256622SPablo Neira Ayuso struct flow_match_basic match; 24608f256622SPablo Neira Ayuso 24618f256622SPablo Neira Ayuso flow_rule_match_basic(rule, &match); 24628f256622SPablo Neira Ayuso ip_proto = match.key->ip_proto; 246354782900SOr Gerlitz 246454782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, 24658f256622SPablo Neira Ayuso match.mask->ip_proto); 246654782900SOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, 24678f256622SPablo Neira Ayuso match.key->ip_proto); 246854782900SOr Gerlitz 24698f256622SPablo Neira Ayuso if (match.mask->ip_proto) 2470d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 247154782900SOr Gerlitz } 247254782900SOr Gerlitz 2473e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { 24748f256622SPablo Neira Ayuso struct flow_match_ipv4_addrs match; 2475e3a2b7edSAmir Vadai 24768f256622SPablo Neira Ayuso flow_rule_match_ipv4_addrs(rule, &match); 2477e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2478e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 24798f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2480e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2481e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv4_layout.ipv4), 24828f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2483e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2484e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 24858f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2486e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2487e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 24888f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2489de0af0bfSRoi Dayan 24908f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2491d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2492e3a2b7edSAmir Vadai } 2493e3a2b7edSAmir Vadai 2494e3a2b7edSAmir Vadai if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) { 24958f256622SPablo Neira Ayuso struct flow_match_ipv6_addrs match; 2496e3a2b7edSAmir Vadai 24978f256622SPablo Neira Ayuso flow_rule_match_ipv6_addrs(rule, &match); 2498e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2499e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 25008f256622SPablo Neira Ayuso &match.mask->src, sizeof(match.mask->src)); 2501e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2502e3a2b7edSAmir Vadai src_ipv4_src_ipv6.ipv6_layout.ipv6), 25038f256622SPablo Neira Ayuso &match.key->src, sizeof(match.key->src)); 2504e3a2b7edSAmir Vadai 2505e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, 2506e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 25078f256622SPablo Neira Ayuso &match.mask->dst, sizeof(match.mask->dst)); 2508e3a2b7edSAmir Vadai memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, 2509e3a2b7edSAmir Vadai dst_ipv4_dst_ipv6.ipv6_layout.ipv6), 25108f256622SPablo Neira Ayuso &match.key->dst, sizeof(match.key->dst)); 2511de0af0bfSRoi Dayan 25128f256622SPablo Neira Ayuso if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY || 25138f256622SPablo Neira Ayuso ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY) 2514d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 2515e3a2b7edSAmir Vadai } 2516e3a2b7edSAmir Vadai 25178f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) { 25188f256622SPablo Neira Ayuso struct flow_match_ip match; 25191f97a526SOr Gerlitz 25208f256622SPablo Neira Ayuso flow_rule_match_ip(rule, &match); 2521b6dfff21SPaul Blakey if (match_inner_ecn) { 25228f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, 25238f256622SPablo Neira Ayuso match.mask->tos & 0x3); 25248f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, 25258f256622SPablo Neira Ayuso match.key->tos & 0x3); 2526b6dfff21SPaul Blakey } 25271f97a526SOr Gerlitz 25288f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, 25298f256622SPablo Neira Ayuso match.mask->tos >> 2); 25308f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, 25318f256622SPablo Neira Ayuso match.key->tos >> 2); 25321f97a526SOr Gerlitz 25338f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, 25348f256622SPablo Neira Ayuso match.mask->ttl); 25358f256622SPablo Neira Ayuso MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, 25368f256622SPablo Neira Ayuso match.key->ttl); 25371f97a526SOr Gerlitz 25388f256622SPablo Neira Ayuso if (match.mask->ttl && 2539a8ade55fSOr Gerlitz !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, 2540e98bedf5SEli Britstein ft_field_support.outer_ipv4_ttl)) { 2541e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2542e98bedf5SEli Britstein "Matching on TTL is not supported"); 25431f97a526SOr Gerlitz return -EOPNOTSUPP; 2544e98bedf5SEli Britstein } 2545a8ade55fSOr Gerlitz 25468f256622SPablo Neira Ayuso if (match.mask->tos || match.mask->ttl) 2547d708f902SOr Gerlitz *match_level = MLX5_MATCH_L3; 25481f97a526SOr Gerlitz } 25491f97a526SOr Gerlitz 255054782900SOr Gerlitz /* *** L3 attributes parsing up to here *** */ 255154782900SOr Gerlitz 25528f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) { 25538f256622SPablo Neira Ayuso struct flow_match_ports match; 25548f256622SPablo Neira Ayuso 25558f256622SPablo Neira Ayuso flow_rule_match_ports(rule, &match); 2556e3a2b7edSAmir Vadai switch (ip_proto) { 2557e3a2b7edSAmir Vadai case IPPROTO_TCP: 2558e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25598f256622SPablo Neira Ayuso tcp_sport, ntohs(match.mask->src)); 2560e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25618f256622SPablo Neira Ayuso tcp_sport, ntohs(match.key->src)); 2562e3a2b7edSAmir Vadai 2563e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25648f256622SPablo Neira Ayuso tcp_dport, ntohs(match.mask->dst)); 2565e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25668f256622SPablo Neira Ayuso tcp_dport, ntohs(match.key->dst)); 2567e3a2b7edSAmir Vadai break; 2568e3a2b7edSAmir Vadai 2569e3a2b7edSAmir Vadai case IPPROTO_UDP: 2570e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25718f256622SPablo Neira Ayuso udp_sport, ntohs(match.mask->src)); 2572e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25738f256622SPablo Neira Ayuso udp_sport, ntohs(match.key->src)); 2574e3a2b7edSAmir Vadai 2575e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_c, 25768f256622SPablo Neira Ayuso udp_dport, ntohs(match.mask->dst)); 2577e3a2b7edSAmir Vadai MLX5_SET(fte_match_set_lyr_2_4, headers_v, 25788f256622SPablo Neira Ayuso udp_dport, ntohs(match.key->dst)); 2579e3a2b7edSAmir Vadai break; 2580e3a2b7edSAmir Vadai default: 2581e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2582e98bedf5SEli Britstein "Only UDP and TCP transports are supported for L4 matching"); 2583e3a2b7edSAmir Vadai netdev_err(priv->netdev, 2584e3a2b7edSAmir Vadai "Only UDP and TCP transport are supported\n"); 2585e3a2b7edSAmir Vadai return -EINVAL; 2586e3a2b7edSAmir Vadai } 2587de0af0bfSRoi Dayan 25888f256622SPablo Neira Ayuso if (match.mask->src || match.mask->dst) 2589d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2590e3a2b7edSAmir Vadai } 2591e3a2b7edSAmir Vadai 25928f256622SPablo Neira Ayuso if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { 25938f256622SPablo Neira Ayuso struct flow_match_tcp match; 2594e77834ecSOr Gerlitz 25958f256622SPablo Neira Ayuso flow_rule_match_tcp(rule, &match); 2596e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, 25978f256622SPablo Neira Ayuso ntohs(match.mask->flags)); 2598e77834ecSOr Gerlitz MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, 25998f256622SPablo Neira Ayuso ntohs(match.key->flags)); 2600e77834ecSOr Gerlitz 26018f256622SPablo Neira Ayuso if (match.mask->flags) 2602d708f902SOr Gerlitz *match_level = MLX5_MATCH_L4; 2603e77834ecSOr Gerlitz } 2604a3222a2dSMaor Dickman if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) { 2605a3222a2dSMaor Dickman struct flow_match_icmp match; 2606e77834ecSOr Gerlitz 2607a3222a2dSMaor Dickman flow_rule_match_icmp(rule, &match); 2608a3222a2dSMaor Dickman switch (ip_proto) { 2609a3222a2dSMaor Dickman case IPPROTO_ICMP: 2610a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 26110885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMP)) { 26120885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 26130885ae1aSAbhiram R N "Match on Flex protocols for ICMP is not supported"); 2614a3222a2dSMaor Dickman return -EOPNOTSUPP; 26150885ae1aSAbhiram R N } 2616a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type, 2617a3222a2dSMaor Dickman match.mask->type); 2618a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type, 2619a3222a2dSMaor Dickman match.key->type); 2620a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code, 2621a3222a2dSMaor Dickman match.mask->code); 2622a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code, 2623a3222a2dSMaor Dickman match.key->code); 2624a3222a2dSMaor Dickman break; 2625a3222a2dSMaor Dickman case IPPROTO_ICMPV6: 2626a3222a2dSMaor Dickman if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) & 26270885ae1aSAbhiram R N MLX5_FLEX_PROTO_ICMPV6)) { 26280885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, 26290885ae1aSAbhiram R N "Match on Flex protocols for ICMPV6 is not supported"); 2630a3222a2dSMaor Dickman return -EOPNOTSUPP; 26310885ae1aSAbhiram R N } 2632a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type, 2633a3222a2dSMaor Dickman match.mask->type); 2634a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type, 2635a3222a2dSMaor Dickman match.key->type); 2636a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code, 2637a3222a2dSMaor Dickman match.mask->code); 2638a3222a2dSMaor Dickman MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code, 2639a3222a2dSMaor Dickman match.key->code); 2640a3222a2dSMaor Dickman break; 2641a3222a2dSMaor Dickman default: 2642a3222a2dSMaor Dickman NL_SET_ERR_MSG_MOD(extack, 2643a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6"); 2644a3222a2dSMaor Dickman netdev_err(priv->netdev, 2645a3222a2dSMaor Dickman "Code and type matching only with ICMP and ICMPv6\n"); 2646a3222a2dSMaor Dickman return -EINVAL; 2647a3222a2dSMaor Dickman } 2648a3222a2dSMaor Dickman if (match.mask->code || match.mask->type) { 2649a3222a2dSMaor Dickman *match_level = MLX5_MATCH_L4; 2650a3222a2dSMaor Dickman spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; 2651a3222a2dSMaor Dickman } 2652a3222a2dSMaor Dickman } 265339c538d6SCai Huoqing /* Currently supported only for MPLS over UDP */ 26547d6c86e3SAlaa Hleihel if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && 26557d6c86e3SAlaa Hleihel !netif_is_bareudp(filter_dev)) { 26567d6c86e3SAlaa Hleihel NL_SET_ERR_MSG_MOD(extack, 26577d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP"); 26587d6c86e3SAlaa Hleihel netdev_err(priv->netdev, 26597d6c86e3SAlaa Hleihel "Matching on MPLS is supported only for MPLS over UDP\n"); 26607d6c86e3SAlaa Hleihel return -EOPNOTSUPP; 26617d6c86e3SAlaa Hleihel } 26627d6c86e3SAlaa Hleihel 2663e3a2b7edSAmir Vadai return 0; 2664e3a2b7edSAmir Vadai } 2665e3a2b7edSAmir Vadai 2666de0af0bfSRoi Dayan static int parse_cls_flower(struct mlx5e_priv *priv, 266765ba8fb7SOr Gerlitz struct mlx5e_tc_flow *flow, 2668de0af0bfSRoi Dayan struct mlx5_flow_spec *spec, 2669f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 267054c177caSOz Shlomo struct net_device *filter_dev) 2671de0af0bfSRoi Dayan { 267293b3586eSHuy Nguyen u8 inner_match_level, outer_match_level, non_tunnel_match_level; 2673e98bedf5SEli Britstein struct netlink_ext_ack *extack = f->common.extack; 2674de0af0bfSRoi Dayan struct mlx5_core_dev *dev = priv->mdev; 2675de0af0bfSRoi Dayan struct mlx5_eswitch *esw = dev->priv.eswitch; 26761d447a39SSaeed Mahameed struct mlx5e_rep_priv *rpriv = priv->ppriv; 26771d447a39SSaeed Mahameed struct mlx5_eswitch_rep *rep; 2678226f2ca3SVlad Buslov bool is_eswitch_flow; 2679de0af0bfSRoi Dayan int err; 2680de0af0bfSRoi Dayan 268193b3586eSHuy Nguyen inner_match_level = MLX5_MATCH_NONE; 268293b3586eSHuy Nguyen outer_match_level = MLX5_MATCH_NONE; 268393b3586eSHuy Nguyen 26840a7fcb78SPaul Blakey err = __parse_cls_flower(priv, flow, spec, f, filter_dev, 26850a7fcb78SPaul Blakey &inner_match_level, &outer_match_level); 268693b3586eSHuy Nguyen non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ? 268793b3586eSHuy Nguyen outer_match_level : inner_match_level; 2688de0af0bfSRoi Dayan 2689226f2ca3SVlad Buslov is_eswitch_flow = mlx5e_is_eswitch_flow(flow); 2690226f2ca3SVlad Buslov if (!err && is_eswitch_flow) { 26911d447a39SSaeed Mahameed rep = rpriv->rep; 2692b05af6aaSBodong Wang if (rep->vport != MLX5_VPORT_UPLINK && 26931d447a39SSaeed Mahameed (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE && 269493b3586eSHuy Nguyen esw->offloads.inline_mode < non_tunnel_match_level)) { 2695e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2696e98bedf5SEli Britstein "Flow is not offloaded due to min inline setting"); 2697de0af0bfSRoi Dayan netdev_warn(priv->netdev, 2698de0af0bfSRoi Dayan "Flow is not offloaded due to min inline setting, required %d actual %d\n", 269993b3586eSHuy Nguyen non_tunnel_match_level, esw->offloads.inline_mode); 2700de0af0bfSRoi Dayan return -EOPNOTSUPP; 2701de0af0bfSRoi Dayan } 2702de0af0bfSRoi Dayan } 2703de0af0bfSRoi Dayan 2704c620b772SAriel Levkovich flow->attr->inner_match_level = inner_match_level; 2705c620b772SAriel Levkovich flow->attr->outer_match_level = outer_match_level; 2706c620b772SAriel Levkovich 270738aa51c1SOr Gerlitz 2708de0af0bfSRoi Dayan return err; 2709de0af0bfSRoi Dayan } 2710de0af0bfSRoi Dayan 2711d79b6df6SOr Gerlitz struct mlx5_fields { 2712d79b6df6SOr Gerlitz u8 field; 271388f30bbcSDmytro Linkin u8 field_bsize; 271488f30bbcSDmytro Linkin u32 field_mask; 2715d79b6df6SOr Gerlitz u32 offset; 271627c11b6bSEli Britstein u32 match_offset; 2717d79b6df6SOr Gerlitz }; 2718d79b6df6SOr Gerlitz 271988f30bbcSDmytro Linkin #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \ 272088f30bbcSDmytro Linkin {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \ 272127c11b6bSEli Britstein offsetof(struct pedit_headers, field) + (off), \ 272227c11b6bSEli Britstein MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)} 272327c11b6bSEli Britstein 27242ef86872SEli Britstein /* masked values are the same and there are no rewrites that do not have a 27252ef86872SEli Britstein * match. 27262ef86872SEli Britstein */ 27272ef86872SEli Britstein #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \ 27282ef86872SEli Britstein type matchmaskx = *(type *)(matchmaskp); \ 27292ef86872SEli Britstein type matchvalx = *(type *)(matchvalp); \ 27302ef86872SEli Britstein type maskx = *(type *)(maskp); \ 27312ef86872SEli Britstein type valx = *(type *)(valp); \ 27322ef86872SEli Britstein \ 27332ef86872SEli Britstein (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \ 27342ef86872SEli Britstein matchmaskx)); \ 27352ef86872SEli Britstein }) 27362ef86872SEli Britstein 273727c11b6bSEli Britstein static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp, 273888f30bbcSDmytro Linkin void *matchmaskp, u8 bsize) 273927c11b6bSEli Britstein { 274027c11b6bSEli Britstein bool same = false; 274127c11b6bSEli Britstein 274288f30bbcSDmytro Linkin switch (bsize) { 274388f30bbcSDmytro Linkin case 8: 27442ef86872SEli Britstein same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp); 274527c11b6bSEli Britstein break; 274688f30bbcSDmytro Linkin case 16: 27472ef86872SEli Britstein same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp); 274827c11b6bSEli Britstein break; 274988f30bbcSDmytro Linkin case 32: 27502ef86872SEli Britstein same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp); 275127c11b6bSEli Britstein break; 275227c11b6bSEli Britstein } 275327c11b6bSEli Britstein 275427c11b6bSEli Britstein return same; 275527c11b6bSEli Britstein } 2756a8e4f0c4SOr Gerlitz 2757d79b6df6SOr Gerlitz static struct mlx5_fields fields[] = { 275888f30bbcSDmytro Linkin OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16), 275988f30bbcSDmytro Linkin OFFLOAD(DMAC_15_0, 16, U16_MAX, eth.h_dest[4], 0, dmac_15_0), 276088f30bbcSDmytro Linkin OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16), 276188f30bbcSDmytro Linkin OFFLOAD(SMAC_15_0, 16, U16_MAX, eth.h_source[4], 0, smac_15_0), 276288f30bbcSDmytro Linkin OFFLOAD(ETHERTYPE, 16, U16_MAX, eth.h_proto, 0, ethertype), 276388f30bbcSDmytro Linkin OFFLOAD(FIRST_VID, 16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid), 2764d79b6df6SOr Gerlitz 2765ab9341b5SDmytro Linkin OFFLOAD(IP_DSCP, 8, 0xfc, ip4.tos, 0, ip_dscp), 276688f30bbcSDmytro Linkin OFFLOAD(IP_TTL, 8, U8_MAX, ip4.ttl, 0, ttl_hoplimit), 276788f30bbcSDmytro Linkin OFFLOAD(SIPV4, 32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4), 276888f30bbcSDmytro Linkin OFFLOAD(DIPV4, 32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4), 2769d79b6df6SOr Gerlitz 277088f30bbcSDmytro Linkin OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0, 277127c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[0]), 277288f30bbcSDmytro Linkin OFFLOAD(SIPV6_95_64, 32, U32_MAX, ip6.saddr.s6_addr32[1], 0, 277327c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[4]), 277488f30bbcSDmytro Linkin OFFLOAD(SIPV6_63_32, 32, U32_MAX, ip6.saddr.s6_addr32[2], 0, 277527c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[8]), 277688f30bbcSDmytro Linkin OFFLOAD(SIPV6_31_0, 32, U32_MAX, ip6.saddr.s6_addr32[3], 0, 277727c11b6bSEli Britstein src_ipv4_src_ipv6.ipv6_layout.ipv6[12]), 277888f30bbcSDmytro Linkin OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0, 277927c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]), 278088f30bbcSDmytro Linkin OFFLOAD(DIPV6_95_64, 32, U32_MAX, ip6.daddr.s6_addr32[1], 0, 278127c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]), 278288f30bbcSDmytro Linkin OFFLOAD(DIPV6_63_32, 32, U32_MAX, ip6.daddr.s6_addr32[2], 0, 278327c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]), 278488f30bbcSDmytro Linkin OFFLOAD(DIPV6_31_0, 32, U32_MAX, ip6.daddr.s6_addr32[3], 0, 278527c11b6bSEli Britstein dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]), 278688f30bbcSDmytro Linkin OFFLOAD(IPV6_HOPLIMIT, 8, U8_MAX, ip6.hop_limit, 0, ttl_hoplimit), 2787748cde9aSMaor Dickman OFFLOAD(IP_DSCP, 16, 0xc00f, ip6, 0, ip_dscp), 2788d79b6df6SOr Gerlitz 278988f30bbcSDmytro Linkin OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source, 0, tcp_sport), 279088f30bbcSDmytro Linkin OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest, 0, tcp_dport), 279188f30bbcSDmytro Linkin /* in linux iphdr tcp_flags is 8 bits long */ 279288f30bbcSDmytro Linkin OFFLOAD(TCP_FLAGS, 8, U8_MAX, tcp.ack_seq, 5, tcp_flags), 2793d79b6df6SOr Gerlitz 279488f30bbcSDmytro Linkin OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport), 279588f30bbcSDmytro Linkin OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), 2796d79b6df6SOr Gerlitz }; 2797d79b6df6SOr Gerlitz 279882198d8bSMaor Dickman static unsigned long mask_to_le(unsigned long mask, int size) 279982198d8bSMaor Dickman { 280082198d8bSMaor Dickman __be32 mask_be32; 280182198d8bSMaor Dickman __be16 mask_be16; 280282198d8bSMaor Dickman 280382198d8bSMaor Dickman if (size == 32) { 280482198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 280582198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); 280682198d8bSMaor Dickman } else if (size == 16) { 280782198d8bSMaor Dickman mask_be32 = (__force __be32)(mask); 280882198d8bSMaor Dickman mask_be16 = *(__be16 *)&mask_be32; 280982198d8bSMaor Dickman mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); 281082198d8bSMaor Dickman } 281182198d8bSMaor Dickman 281282198d8bSMaor Dickman return mask; 281382198d8bSMaor Dickman } 28146ae4a6a5SPaul Blakey static int offload_pedit_fields(struct mlx5e_priv *priv, 28156ae4a6a5SPaul Blakey int namespace, 28166ae4a6a5SPaul Blakey struct pedit_headers_action *hdrs, 2817e98bedf5SEli Britstein struct mlx5e_tc_flow_parse_attr *parse_attr, 281827c11b6bSEli Britstein u32 *action_flags, 2819e98bedf5SEli Britstein struct netlink_ext_ack *extack) 2820d79b6df6SOr Gerlitz { 2821d79b6df6SOr Gerlitz struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; 282288f30bbcSDmytro Linkin void *headers_c, *headers_v, *action, *vals_p; 282388f30bbcSDmytro Linkin u32 *s_masks_p, *a_masks_p, s_mask, a_mask; 28246ae4a6a5SPaul Blakey struct mlx5e_tc_mod_hdr_acts *mod_acts; 282582198d8bSMaor Dickman unsigned long mask, field_mask; 28262c0e5cf5SPaul Blakey int i, first, last, next_z; 28272c0e5cf5SPaul Blakey struct mlx5_fields *f; 282888f30bbcSDmytro Linkin u8 cmd; 282988f30bbcSDmytro Linkin 28306ae4a6a5SPaul Blakey mod_acts = &parse_attr->mod_hdr_acts; 28318ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec); 28328ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec); 2833d79b6df6SOr Gerlitz 283473867881SPablo Neira Ayuso set_masks = &hdrs[0].masks; 283573867881SPablo Neira Ayuso add_masks = &hdrs[1].masks; 283673867881SPablo Neira Ayuso set_vals = &hdrs[0].vals; 283773867881SPablo Neira Ayuso add_vals = &hdrs[1].vals; 2838d79b6df6SOr Gerlitz 2839d79b6df6SOr Gerlitz for (i = 0; i < ARRAY_SIZE(fields); i++) { 284027c11b6bSEli Britstein bool skip; 284127c11b6bSEli Britstein 2842d79b6df6SOr Gerlitz f = &fields[i]; 2843d79b6df6SOr Gerlitz /* avoid seeing bits set from previous iterations */ 2844e3ca4e05SOr Gerlitz s_mask = 0; 2845e3ca4e05SOr Gerlitz a_mask = 0; 2846d79b6df6SOr Gerlitz 2847d79b6df6SOr Gerlitz s_masks_p = (void *)set_masks + f->offset; 2848d79b6df6SOr Gerlitz a_masks_p = (void *)add_masks + f->offset; 2849d79b6df6SOr Gerlitz 285088f30bbcSDmytro Linkin s_mask = *s_masks_p & f->field_mask; 285188f30bbcSDmytro Linkin a_mask = *a_masks_p & f->field_mask; 2852d79b6df6SOr Gerlitz 2853d79b6df6SOr Gerlitz if (!s_mask && !a_mask) /* nothing to offload here */ 2854d79b6df6SOr Gerlitz continue; 2855d79b6df6SOr Gerlitz 2856d79b6df6SOr Gerlitz if (s_mask && a_mask) { 2857e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2858e98bedf5SEli Britstein "can't set and add to the same HW field"); 285961b6a6c3SCai Huoqing netdev_warn(priv->netdev, 286061b6a6c3SCai Huoqing "mlx5: can't set and add to the same HW field (%x)\n", 286161b6a6c3SCai Huoqing f->field); 2862d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2863d79b6df6SOr Gerlitz } 2864d79b6df6SOr Gerlitz 286527c11b6bSEli Britstein skip = false; 2866d79b6df6SOr Gerlitz if (s_mask) { 286727c11b6bSEli Britstein void *match_mask = headers_c + f->match_offset; 286827c11b6bSEli Britstein void *match_val = headers_v + f->match_offset; 286927c11b6bSEli Britstein 2870d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_SET; 2871d79b6df6SOr Gerlitz mask = s_mask; 2872d79b6df6SOr Gerlitz vals_p = (void *)set_vals + f->offset; 287327c11b6bSEli Britstein /* don't rewrite if we have a match on the same value */ 287427c11b6bSEli Britstein if (cmp_val_mask(vals_p, s_masks_p, match_val, 287588f30bbcSDmytro Linkin match_mask, f->field_bsize)) 287627c11b6bSEli Britstein skip = true; 2877d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 287888f30bbcSDmytro Linkin *s_masks_p &= ~f->field_mask; 2879d79b6df6SOr Gerlitz } else { 2880d79b6df6SOr Gerlitz cmd = MLX5_ACTION_TYPE_ADD; 2881d79b6df6SOr Gerlitz mask = a_mask; 2882d79b6df6SOr Gerlitz vals_p = (void *)add_vals + f->offset; 288327c11b6bSEli Britstein /* add 0 is no change */ 288488f30bbcSDmytro Linkin if ((*(u32 *)vals_p & f->field_mask) == 0) 288527c11b6bSEli Britstein skip = true; 2886d79b6df6SOr Gerlitz /* clear to denote we consumed this field */ 288788f30bbcSDmytro Linkin *a_masks_p &= ~f->field_mask; 2888d79b6df6SOr Gerlitz } 288927c11b6bSEli Britstein if (skip) 289027c11b6bSEli Britstein continue; 2891d79b6df6SOr Gerlitz 289282198d8bSMaor Dickman mask = mask_to_le(mask, f->field_bsize); 28932b64bebaSOr Gerlitz 289488f30bbcSDmytro Linkin first = find_first_bit(&mask, f->field_bsize); 289588f30bbcSDmytro Linkin next_z = find_next_zero_bit(&mask, f->field_bsize, first); 289688f30bbcSDmytro Linkin last = find_last_bit(&mask, f->field_bsize); 28972b64bebaSOr Gerlitz if (first < next_z && next_z < last) { 2898e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2899e98bedf5SEli Britstein "rewrite of few sub-fields isn't supported"); 290061b6a6c3SCai Huoqing netdev_warn(priv->netdev, 290161b6a6c3SCai Huoqing "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", 2902d79b6df6SOr Gerlitz mask); 2903d79b6df6SOr Gerlitz return -EOPNOTSUPP; 2904d79b6df6SOr Gerlitz } 2905d79b6df6SOr Gerlitz 29062c0e5cf5SPaul Blakey action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts); 29072c0e5cf5SPaul Blakey if (IS_ERR(action)) { 29086ae4a6a5SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 29096ae4a6a5SPaul Blakey "too many pedit actions, can't offload"); 29106ae4a6a5SPaul Blakey mlx5_core_warn(priv->mdev, 29116ae4a6a5SPaul Blakey "mlx5: parsed %d pedit actions, can't do more\n", 29126ae4a6a5SPaul Blakey mod_acts->num_actions); 29132c0e5cf5SPaul Blakey return PTR_ERR(action); 29146ae4a6a5SPaul Blakey } 29156ae4a6a5SPaul Blakey 2916d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, action_type, cmd); 2917d79b6df6SOr Gerlitz MLX5_SET(set_action_in, action, field, f->field); 2918d79b6df6SOr Gerlitz 2919d79b6df6SOr Gerlitz if (cmd == MLX5_ACTION_TYPE_SET) { 292088f30bbcSDmytro Linkin int start; 292188f30bbcSDmytro Linkin 292282198d8bSMaor Dickman field_mask = mask_to_le(f->field_mask, f->field_bsize); 292382198d8bSMaor Dickman 292488f30bbcSDmytro Linkin /* if field is bit sized it can start not from first bit */ 292582198d8bSMaor Dickman start = find_first_bit(&field_mask, f->field_bsize); 292688f30bbcSDmytro Linkin 292788f30bbcSDmytro Linkin MLX5_SET(set_action_in, action, offset, first - start); 2928d79b6df6SOr Gerlitz /* length is num of bits to be written, zero means length of 32 */ 29292b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, length, (last - first + 1)); 2930d79b6df6SOr Gerlitz } 2931d79b6df6SOr Gerlitz 293288f30bbcSDmytro Linkin if (f->field_bsize == 32) 29332b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first); 293488f30bbcSDmytro Linkin else if (f->field_bsize == 16) 29352b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first); 293688f30bbcSDmytro Linkin else if (f->field_bsize == 8) 29372b64bebaSOr Gerlitz MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first); 2938d79b6df6SOr Gerlitz 29396ae4a6a5SPaul Blakey ++mod_acts->num_actions; 2940d79b6df6SOr Gerlitz } 2941d79b6df6SOr Gerlitz 2942d79b6df6SOr Gerlitz return 0; 2943d79b6df6SOr Gerlitz } 2944d79b6df6SOr Gerlitz 2945d79b6df6SOr Gerlitz static const struct pedit_headers zero_masks = {}; 2946d79b6df6SOr Gerlitz 2947c500c86bSPablo Neira Ayuso static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace, 2948c500c86bSPablo Neira Ayuso struct mlx5e_tc_flow_parse_attr *parse_attr, 2949c500c86bSPablo Neira Ayuso struct pedit_headers_action *hdrs, 295027c11b6bSEli Britstein u32 *action_flags, 2951c500c86bSPablo Neira Ayuso struct netlink_ext_ack *extack) 2952c500c86bSPablo Neira Ayuso { 2953c500c86bSPablo Neira Ayuso struct pedit_headers *cmd_masks; 2954c500c86bSPablo Neira Ayuso int err; 2955c500c86bSPablo Neira Ayuso u8 cmd; 2956c500c86bSPablo Neira Ayuso 29576ae4a6a5SPaul Blakey err = offload_pedit_fields(priv, namespace, hdrs, parse_attr, 29586ae4a6a5SPaul Blakey action_flags, extack); 2959d79b6df6SOr Gerlitz if (err < 0) 2960d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2961d79b6df6SOr Gerlitz 2962d79b6df6SOr Gerlitz for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) { 2963c500c86bSPablo Neira Ayuso cmd_masks = &hdrs[cmd].masks; 2964d79b6df6SOr Gerlitz if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) { 2965e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 2966e98bedf5SEli Britstein "attempt to offload an unsupported field"); 2967b3a433deSOr Gerlitz netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd); 2968d79b6df6SOr Gerlitz print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS, 2969d79b6df6SOr Gerlitz 16, 1, cmd_masks, sizeof(zero_masks), true); 2970d79b6df6SOr Gerlitz err = -EOPNOTSUPP; 2971d79b6df6SOr Gerlitz goto out_dealloc_parsed_actions; 2972d79b6df6SOr Gerlitz } 2973d79b6df6SOr Gerlitz } 2974d79b6df6SOr Gerlitz 2975d79b6df6SOr Gerlitz return 0; 2976d79b6df6SOr Gerlitz 2977d79b6df6SOr Gerlitz out_dealloc_parsed_actions: 29782c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 2979d79b6df6SOr Gerlitz return err; 2980d79b6df6SOr Gerlitz } 2981d79b6df6SOr Gerlitz 29828998576bSDmytro Linkin struct ip_ttl_word { 29838998576bSDmytro Linkin __u8 ttl; 29848998576bSDmytro Linkin __u8 protocol; 29858998576bSDmytro Linkin __sum16 check; 29868998576bSDmytro Linkin }; 29878998576bSDmytro Linkin 29888998576bSDmytro Linkin struct ipv6_hoplimit_word { 29898998576bSDmytro Linkin __be16 payload_len; 29908998576bSDmytro Linkin __u8 nexthdr; 29918998576bSDmytro Linkin __u8 hop_limit; 29928998576bSDmytro Linkin }; 29938998576bSDmytro Linkin 29941836d780SRoi Dayan static bool 29951836d780SRoi Dayan is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow, 29961836d780SRoi Dayan bool *modify_ip_header, bool *modify_tuple, 29974c3844d9SPaul Blakey struct netlink_ext_ack *extack) 29988998576bSDmytro Linkin { 29998998576bSDmytro Linkin u32 mask, offset; 30008998576bSDmytro Linkin u8 htype; 30018998576bSDmytro Linkin 30028998576bSDmytro Linkin htype = act->mangle.htype; 30038998576bSDmytro Linkin offset = act->mangle.offset; 30048998576bSDmytro Linkin mask = ~act->mangle.mask; 30058998576bSDmytro Linkin /* For IPv4 & IPv6 header check 4 byte word, 30068998576bSDmytro Linkin * to determine that modified fields 30078998576bSDmytro Linkin * are NOT ttl & hop_limit only. 30088998576bSDmytro Linkin */ 30098998576bSDmytro Linkin if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) { 30108998576bSDmytro Linkin struct ip_ttl_word *ttl_word = 30118998576bSDmytro Linkin (struct ip_ttl_word *)&mask; 30128998576bSDmytro Linkin 30138998576bSDmytro Linkin if (offset != offsetof(struct iphdr, ttl) || 30148998576bSDmytro Linkin ttl_word->protocol || 30158998576bSDmytro Linkin ttl_word->check) { 30164c3844d9SPaul Blakey *modify_ip_header = true; 30174c3844d9SPaul Blakey } 30184c3844d9SPaul Blakey 30197e36feebSPaul Blakey if (offset >= offsetof(struct iphdr, saddr)) 30207e36feebSPaul Blakey *modify_tuple = true; 30217e36feebSPaul Blakey 30227e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30234c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30244c3844d9SPaul Blakey "can't offload re-write of ipv4 address with action ct"); 30251836d780SRoi Dayan return false; 30268998576bSDmytro Linkin } 30278998576bSDmytro Linkin } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) { 30288998576bSDmytro Linkin struct ipv6_hoplimit_word *hoplimit_word = 30298998576bSDmytro Linkin (struct ipv6_hoplimit_word *)&mask; 30308998576bSDmytro Linkin 30318998576bSDmytro Linkin if (offset != offsetof(struct ipv6hdr, payload_len) || 30328998576bSDmytro Linkin hoplimit_word->payload_len || 30338998576bSDmytro Linkin hoplimit_word->nexthdr) { 30344c3844d9SPaul Blakey *modify_ip_header = true; 30358998576bSDmytro Linkin } 30364c3844d9SPaul Blakey 30377e36feebSPaul Blakey if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr)) 30387e36feebSPaul Blakey *modify_tuple = true; 30397e36feebSPaul Blakey 30407e36feebSPaul Blakey if (ct_flow && *modify_tuple) { 30414c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30424c3844d9SPaul Blakey "can't offload re-write of ipv6 address with action ct"); 30431836d780SRoi Dayan return false; 30448998576bSDmytro Linkin } 30457e36feebSPaul Blakey } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP || 30467e36feebSPaul Blakey htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) { 30477e36feebSPaul Blakey *modify_tuple = true; 30487e36feebSPaul Blakey if (ct_flow) { 30494c3844d9SPaul Blakey NL_SET_ERR_MSG_MOD(extack, 30504c3844d9SPaul Blakey "can't offload re-write of transport header ports with action ct"); 30511836d780SRoi Dayan return false; 30524c3844d9SPaul Blakey } 30537e36feebSPaul Blakey } 30544c3844d9SPaul Blakey 30551836d780SRoi Dayan return true; 30568998576bSDmytro Linkin } 30578998576bSDmytro Linkin 305896b5b458SDima Chumak static bool modify_tuple_supported(bool modify_tuple, bool ct_clear, 305996b5b458SDima Chumak bool ct_flow, struct netlink_ext_ack *extack, 306096b5b458SDima Chumak struct mlx5e_priv *priv, 306196b5b458SDima Chumak struct mlx5_flow_spec *spec) 306296b5b458SDima Chumak { 306396b5b458SDima Chumak if (!modify_tuple || ct_clear) 306496b5b458SDima Chumak return true; 306596b5b458SDima Chumak 306696b5b458SDima Chumak if (ct_flow) { 306796b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 306896b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 306996b5b458SDima Chumak netdev_info(priv->netdev, 307096b5b458SDima Chumak "can't offload tuple modification with non-clear ct()"); 307196b5b458SDima Chumak return false; 307296b5b458SDima Chumak } 307396b5b458SDima Chumak 307496b5b458SDima Chumak /* Add ct_state=-trk match so it will be offloaded for non ct flows 307596b5b458SDima Chumak * (or after clear action), as otherwise, since the tuple is changed, 307696b5b458SDima Chumak * we can't restore ct state 307796b5b458SDima Chumak */ 307896b5b458SDima Chumak if (mlx5_tc_ct_add_no_trk_match(spec)) { 307996b5b458SDima Chumak NL_SET_ERR_MSG_MOD(extack, 308096b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 308196b5b458SDima Chumak netdev_info(priv->netdev, 308296b5b458SDima Chumak "can't offload tuple modification with ct matches and no ct(clear) action"); 308396b5b458SDima Chumak return false; 308496b5b458SDima Chumak } 308596b5b458SDima Chumak 308696b5b458SDima Chumak return true; 308796b5b458SDima Chumak } 308896b5b458SDima Chumak 30893d486ec4SOz Shlomo static bool modify_header_match_supported(struct mlx5e_priv *priv, 30903d486ec4SOz Shlomo struct mlx5_flow_spec *spec, 309173867881SPablo Neira Ayuso struct flow_action *flow_action, 30924c3844d9SPaul Blakey u32 actions, bool ct_flow, 30937e36feebSPaul Blakey bool ct_clear, 3094e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3095bdd66ac0SOr Gerlitz { 309673867881SPablo Neira Ayuso const struct flow_action_entry *act; 30977e36feebSPaul Blakey bool modify_ip_header, modify_tuple; 3098fca53304SEli Britstein void *headers_c; 3099bdd66ac0SOr Gerlitz void *headers_v; 3100bdd66ac0SOr Gerlitz u16 ethertype; 31018998576bSDmytro Linkin u8 ip_proto; 31021836d780SRoi Dayan int i; 3103bdd66ac0SOr Gerlitz 31048ee72638SRoi Dayan headers_c = mlx5e_get_match_headers_criteria(actions, spec); 31058ee72638SRoi Dayan headers_v = mlx5e_get_match_headers_value(actions, spec); 3106bdd66ac0SOr Gerlitz ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); 3107bdd66ac0SOr Gerlitz 3108bdd66ac0SOr Gerlitz /* for non-IP we only re-write MACs, so we're okay */ 3109fca53304SEli Britstein if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && 3110fca53304SEli Britstein ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) 3111bdd66ac0SOr Gerlitz goto out_ok; 3112bdd66ac0SOr Gerlitz 3113bdd66ac0SOr Gerlitz modify_ip_header = false; 31147e36feebSPaul Blakey modify_tuple = false; 311573867881SPablo Neira Ayuso flow_action_for_each(i, act, flow_action) { 311673867881SPablo Neira Ayuso if (act->id != FLOW_ACTION_MANGLE && 311773867881SPablo Neira Ayuso act->id != FLOW_ACTION_ADD) 3118bdd66ac0SOr Gerlitz continue; 3119bdd66ac0SOr Gerlitz 31201836d780SRoi Dayan if (!is_action_keys_supported(act, ct_flow, 31217e36feebSPaul Blakey &modify_ip_header, 31221836d780SRoi Dayan &modify_tuple, extack)) 31231836d780SRoi Dayan return false; 3124bdd66ac0SOr Gerlitz } 3125bdd66ac0SOr Gerlitz 312696b5b458SDima Chumak if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack, 312796b5b458SDima Chumak priv, spec)) 31287e36feebSPaul Blakey return false; 31297e36feebSPaul Blakey 3130bdd66ac0SOr Gerlitz ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol); 31311ccef350SJianbo Liu if (modify_ip_header && ip_proto != IPPROTO_TCP && 31321ccef350SJianbo Liu ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) { 3133e98bedf5SEli Britstein NL_SET_ERR_MSG_MOD(extack, 3134e98bedf5SEli Britstein "can't offload re-write of non TCP/UDP"); 31353d486ec4SOz Shlomo netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n", 31363d486ec4SOz Shlomo ip_proto); 3137bdd66ac0SOr Gerlitz return false; 3138bdd66ac0SOr Gerlitz } 3139bdd66ac0SOr Gerlitz 3140bdd66ac0SOr Gerlitz out_ok: 3141bdd66ac0SOr Gerlitz return true; 3142bdd66ac0SOr Gerlitz } 3143bdd66ac0SOr Gerlitz 31449c1d3511SRoi Dayan static bool 31459c1d3511SRoi Dayan actions_match_supported_fdb(struct mlx5e_priv *priv, 31469c1d3511SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr, 31479c1d3511SRoi Dayan struct mlx5e_tc_flow *flow, 31489c1d3511SRoi Dayan struct netlink_ext_ack *extack) 31499c1d3511SRoi Dayan { 3150d4f401d9SRoi Dayan struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 31519c1d3511SRoi Dayan bool ct_flow, ct_clear; 31529c1d3511SRoi Dayan 31539c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 31549c1d3511SRoi Dayan ct_flow = flow_flag_test(flow, CT) && !ct_clear; 31559c1d3511SRoi Dayan 3156d4f401d9SRoi Dayan if (esw_attr->split_count && ct_flow && 3157d4f401d9SRoi Dayan !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) { 31589c1d3511SRoi Dayan /* All registers used by ct are cleared when using 31599c1d3511SRoi Dayan * split rules. 31609c1d3511SRoi Dayan */ 31619c1d3511SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct"); 31629c1d3511SRoi Dayan return false; 31639c1d3511SRoi Dayan } 31649c1d3511SRoi Dayan 3165d4f401d9SRoi Dayan if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) { 3166d4f401d9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3167d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring"); 3168d4f401d9SRoi Dayan netdev_warn_once(priv->netdev, 3169d4f401d9SRoi Dayan "current firmware doesn't support split rule for port mirroring\n"); 3170d4f401d9SRoi Dayan return false; 3171d4f401d9SRoi Dayan } 3172d4f401d9SRoi Dayan 31739c1d3511SRoi Dayan return true; 31749c1d3511SRoi Dayan } 31759c1d3511SRoi Dayan 31769c1d3511SRoi Dayan static bool 31779c1d3511SRoi Dayan actions_match_supported(struct mlx5e_priv *priv, 317873867881SPablo Neira Ayuso struct flow_action *flow_action, 3179bdd66ac0SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr, 3180e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3181e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3182bdd66ac0SOr Gerlitz { 31839c1d3511SRoi Dayan u32 actions = flow->attr->action; 31849c1d3511SRoi Dayan bool ct_flow, ct_clear; 3185bdd66ac0SOr Gerlitz 31869c1d3511SRoi Dayan ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR; 3187a7c119bdSPaul Blakey ct_flow = flow_flag_test(flow, CT) && !ct_clear; 3188c620b772SAriel Levkovich 31896b50cf45SRoi Dayan if (!(actions & 31906b50cf45SRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 31916b50cf45SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action"); 31926b50cf45SRoi Dayan return false; 31936b50cf45SRoi Dayan } 31946b50cf45SRoi Dayan 31955623ef8aSRoi Dayan if (!(~actions & 31965623ef8aSRoi Dayan (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) { 31975623ef8aSRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action"); 31985623ef8aSRoi Dayan return false; 31995623ef8aSRoi Dayan } 32005623ef8aSRoi Dayan 32019c1d3511SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 3202a2446bc7SRoi Dayan actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 3203a2446bc7SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 3204a2446bc7SRoi Dayan return false; 3205a2446bc7SRoi Dayan } 3206a2446bc7SRoi Dayan 3207a2446bc7SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 3208*23216d38SRoi Dayan actions & MLX5_FLOW_CONTEXT_ACTION_DROP) { 3209*23216d38SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported"); 3210*23216d38SRoi Dayan return false; 3211*23216d38SRoi Dayan } 3212*23216d38SRoi Dayan 3213*23216d38SRoi Dayan if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR && 32149c1d3511SRoi Dayan !modify_header_match_supported(priv, &parse_attr->spec, flow_action, 32159c1d3511SRoi Dayan actions, ct_flow, ct_clear, extack)) 321649397b80SDan Carpenter return false; 3217bdd66ac0SOr Gerlitz 32189c1d3511SRoi Dayan if (mlx5e_is_eswitch_flow(flow) && 32199c1d3511SRoi Dayan !actions_match_supported_fdb(priv, parse_attr, flow, extack)) 32209c1d3511SRoi Dayan return false; 3221bdd66ac0SOr Gerlitz 3222bdd66ac0SOr Gerlitz return true; 3223bdd66ac0SOr Gerlitz } 3224bdd66ac0SOr Gerlitz 322532134847SMaor Dickman static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 322632134847SMaor Dickman { 322732134847SMaor Dickman return priv->mdev == peer_priv->mdev; 322832134847SMaor Dickman } 322932134847SMaor Dickman 3230ab3f3d5eSRoi Dayan bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv) 32315c65c564SOr Gerlitz { 32325c65c564SOr Gerlitz struct mlx5_core_dev *fmdev, *pmdev; 3233816f6706SOr Gerlitz u64 fsystem_guid, psystem_guid; 32345c65c564SOr Gerlitz 32355c65c564SOr Gerlitz fmdev = priv->mdev; 32365c65c564SOr Gerlitz pmdev = peer_priv->mdev; 32375c65c564SOr Gerlitz 323859c9d35eSAlaa Hleihel fsystem_guid = mlx5_query_nic_system_image_guid(fmdev); 323959c9d35eSAlaa Hleihel psystem_guid = mlx5_query_nic_system_image_guid(pmdev); 32405c65c564SOr Gerlitz 3241816f6706SOr Gerlitz return (fsystem_guid == psystem_guid); 32425c65c564SOr Gerlitz } 32435c65c564SOr Gerlitz 32440bac1194SEli Britstein static int 32458333d53eSRoi Dayan parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state, 32468333d53eSRoi Dayan struct flow_action *flow_action) 32478333d53eSRoi Dayan { 32488333d53eSRoi Dayan struct netlink_ext_ack *extack = parse_state->extack; 32498333d53eSRoi Dayan struct mlx5e_tc_flow *flow = parse_state->flow; 32508333d53eSRoi Dayan struct mlx5_flow_attr *attr = flow->attr; 32518333d53eSRoi Dayan enum mlx5_flow_namespace_type ns_type; 32528333d53eSRoi Dayan struct mlx5e_priv *priv = flow->priv; 32538333d53eSRoi Dayan const struct flow_action_entry *act; 32548333d53eSRoi Dayan struct mlx5e_tc_act *tc_act; 32558333d53eSRoi Dayan int err, i; 32568333d53eSRoi Dayan 32578333d53eSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 32588333d53eSRoi Dayan 32598333d53eSRoi Dayan flow_action_for_each(i, act, flow_action) { 32608333d53eSRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 32618333d53eSRoi Dayan if (!tc_act) { 32628333d53eSRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action"); 32638333d53eSRoi Dayan return -EOPNOTSUPP; 32648333d53eSRoi Dayan } 32658333d53eSRoi Dayan 32668333d53eSRoi Dayan if (!tc_act->can_offload(parse_state, act, i)) 32678333d53eSRoi Dayan return -EOPNOTSUPP; 32688333d53eSRoi Dayan 32698333d53eSRoi Dayan err = tc_act->parse_action(parse_state, act, priv, attr); 32708333d53eSRoi Dayan if (err) 32718333d53eSRoi Dayan return err; 32728333d53eSRoi Dayan } 32738333d53eSRoi Dayan 3274dd5ab6d1SRoi Dayan flow_action_for_each(i, act, flow_action) { 3275dd5ab6d1SRoi Dayan tc_act = mlx5e_tc_act_get(act->id, ns_type); 3276dd5ab6d1SRoi Dayan if (!tc_act || !tc_act->post_parse || 3277dd5ab6d1SRoi Dayan !tc_act->can_offload(parse_state, act, i)) 3278dd5ab6d1SRoi Dayan continue; 3279dd5ab6d1SRoi Dayan 3280dd5ab6d1SRoi Dayan err = tc_act->post_parse(parse_state, priv, attr); 3281dd5ab6d1SRoi Dayan if (err) 3282dd5ab6d1SRoi Dayan return err; 3283dd5ab6d1SRoi Dayan } 3284dd5ab6d1SRoi Dayan 32858333d53eSRoi Dayan return 0; 32868333d53eSRoi Dayan } 32878333d53eSRoi Dayan 32888333d53eSRoi Dayan static int 3289d9581e2fSRoi Dayan actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv, 3290d9581e2fSRoi Dayan struct mlx5e_tc_flow *flow, 3291d9581e2fSRoi Dayan struct mlx5_flow_attr *attr, 3292d9581e2fSRoi Dayan struct pedit_headers_action *hdrs, 3293d9581e2fSRoi Dayan struct netlink_ext_ack *extack) 3294d9581e2fSRoi Dayan { 3295d9581e2fSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr; 3296d9581e2fSRoi Dayan enum mlx5_flow_namespace_type ns_type; 3297d9581e2fSRoi Dayan int err; 3298d9581e2fSRoi Dayan 3299d9581e2fSRoi Dayan if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits && 3300d9581e2fSRoi Dayan !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits) 3301d9581e2fSRoi Dayan return 0; 3302d9581e2fSRoi Dayan 3303e36db1eeSRoi Dayan ns_type = mlx5e_get_flow_namespace(flow); 3304d9581e2fSRoi Dayan 3305d9581e2fSRoi Dayan err = alloc_tc_pedit_action(priv, ns_type, parse_attr, hdrs, 3306d9581e2fSRoi Dayan &attr->action, extack); 3307d9581e2fSRoi Dayan if (err) 3308d9581e2fSRoi Dayan return err; 3309d9581e2fSRoi Dayan 3310d9581e2fSRoi Dayan if (parse_attr->mod_hdr_acts.num_actions > 0) 3311d9581e2fSRoi Dayan return 0; 3312d9581e2fSRoi Dayan 3313fc3a879aSRoi Dayan /* In case all pedit actions are skipped, remove the MOD_HDR flag. */ 3314d9581e2fSRoi Dayan attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 33152c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 3316d9581e2fSRoi Dayan 3317d9581e2fSRoi Dayan if (ns_type != MLX5_FLOW_NAMESPACE_FDB) 3318d9581e2fSRoi Dayan return 0; 3319d9581e2fSRoi Dayan 3320d9581e2fSRoi Dayan if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) || 3321d9581e2fSRoi Dayan (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH))) 3322d9581e2fSRoi Dayan attr->esw_attr->split_count = 0; 3323d9581e2fSRoi Dayan 3324d9581e2fSRoi Dayan return 0; 3325d9581e2fSRoi Dayan } 3326d9581e2fSRoi Dayan 3327d9581e2fSRoi Dayan static int 3328df990477SRoi Dayan flow_action_supported(struct flow_action *flow_action, 3329df990477SRoi Dayan struct netlink_ext_ack *extack) 3330df990477SRoi Dayan { 3331df990477SRoi Dayan if (!flow_action_has_entries(flow_action)) { 3332df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries"); 3333df990477SRoi Dayan return -EINVAL; 3334df990477SRoi Dayan } 3335df990477SRoi Dayan 3336df990477SRoi Dayan if (!flow_action_hw_stats_check(flow_action, extack, 3337df990477SRoi Dayan FLOW_ACTION_HW_STATS_DELAYED_BIT)) { 3338df990477SRoi Dayan NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 3339df990477SRoi Dayan return -EOPNOTSUPP; 3340df990477SRoi Dayan } 3341df990477SRoi Dayan 3342df990477SRoi Dayan return 0; 3343df990477SRoi Dayan } 3344df990477SRoi Dayan 3345df990477SRoi Dayan static int 3346d9581e2fSRoi Dayan parse_tc_nic_actions(struct mlx5e_priv *priv, 334773867881SPablo Neira Ayuso struct flow_action *flow_action, 3348e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 3349e98bedf5SEli Britstein struct netlink_ext_ack *extack) 3350e3a2b7edSAmir Vadai { 3351fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3352c6cfe113SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3353c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3354e36db1eeSRoi Dayan struct pedit_headers_action *hdrs; 33558333d53eSRoi Dayan int err; 3356e3a2b7edSAmir Vadai 3357df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3358df990477SRoi Dayan if (err) 3359df990477SRoi Dayan return err; 3360319a1d19SJiri Pirko 3361fad54790SRoi Dayan attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; 3362c6cfe113SRoi Dayan parse_attr = attr->parse_attr; 3363fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3364fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3365758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 3366e36db1eeSRoi Dayan hdrs = parse_state->hdrs; 3367e3a2b7edSAmir Vadai 33688333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 3369fad54790SRoi Dayan if (err) 3370fad54790SRoi Dayan return err; 3371e3a2b7edSAmir Vadai 3372d9581e2fSRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); 3373d9581e2fSRoi Dayan if (err) 3374d9581e2fSRoi Dayan return err; 3375d9581e2fSRoi Dayan 337673867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3377bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3378bdd66ac0SOr Gerlitz 3379e3a2b7edSAmir Vadai return 0; 3380e3a2b7edSAmir Vadai } 3381e3a2b7edSAmir Vadai 338232134847SMaor Dickman static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv, 3383b1d90e6bSRabie Loulou struct net_device *peer_netdev) 3384b1d90e6bSRabie Loulou { 3385b1d90e6bSRabie Loulou struct mlx5e_priv *peer_priv; 3386b1d90e6bSRabie Loulou 3387b1d90e6bSRabie Loulou peer_priv = netdev_priv(peer_netdev); 3388b1d90e6bSRabie Loulou 3389b1d90e6bSRabie Loulou return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) && 339032134847SMaor Dickman mlx5e_eswitch_vf_rep(priv->netdev) && 339132134847SMaor Dickman mlx5e_eswitch_vf_rep(peer_netdev) && 3392ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv)); 3393d34eb2fcSOr Gerlitz } 3394d34eb2fcSOr Gerlitz 339532134847SMaor Dickman static bool same_hw_reps(struct mlx5e_priv *priv, 339632134847SMaor Dickman struct net_device *peer_netdev) 339732134847SMaor Dickman { 339832134847SMaor Dickman struct mlx5e_priv *peer_priv; 339932134847SMaor Dickman 340032134847SMaor Dickman peer_priv = netdev_priv(peer_netdev); 340132134847SMaor Dickman 340232134847SMaor Dickman return mlx5e_eswitch_rep(priv->netdev) && 340332134847SMaor Dickman mlx5e_eswitch_rep(peer_netdev) && 3404ab3f3d5eSRoi Dayan mlx5e_same_hw_devs(priv, peer_priv); 340532134847SMaor Dickman } 340632134847SMaor Dickman 340732134847SMaor Dickman static bool is_lag_dev(struct mlx5e_priv *priv, 340832134847SMaor Dickman struct net_device *peer_netdev) 340932134847SMaor Dickman { 341032134847SMaor Dickman return ((mlx5_lag_is_sriov(priv->mdev) || 341132134847SMaor Dickman mlx5_lag_is_multipath(priv->mdev)) && 341232134847SMaor Dickman same_hw_reps(priv, peer_netdev)); 341332134847SMaor Dickman } 341432134847SMaor Dickman 3415f6dc1264SPaul Blakey bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv, 3416f6dc1264SPaul Blakey struct net_device *out_dev) 3417f6dc1264SPaul Blakey { 341832134847SMaor Dickman if (is_merged_eswitch_vfs(priv, out_dev)) 341932134847SMaor Dickman return true; 342032134847SMaor Dickman 342132134847SMaor Dickman if (is_lag_dev(priv, out_dev)) 3422f6dc1264SPaul Blakey return true; 3423f6dc1264SPaul Blakey 3424f6dc1264SPaul Blakey return mlx5e_eswitch_rep(out_dev) && 342532134847SMaor Dickman same_port_devs(priv, netdev_priv(out_dev)); 3426f6dc1264SPaul Blakey } 3427f6dc1264SPaul Blakey 342827484f71SAriel Levkovich int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv, 342927484f71SAriel Levkovich struct mlx5_flow_attr *attr, 343027484f71SAriel Levkovich int ifindex, 343127484f71SAriel Levkovich enum mlx5e_tc_int_port_type type, 343227484f71SAriel Levkovich u32 *action, 343327484f71SAriel Levkovich int out_index) 343427484f71SAriel Levkovich { 343527484f71SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 343627484f71SAriel Levkovich struct mlx5e_tc_int_port_priv *int_port_priv; 343727484f71SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 343827484f71SAriel Levkovich struct mlx5e_tc_int_port *dest_int_port; 343927484f71SAriel Levkovich int err; 344027484f71SAriel Levkovich 344127484f71SAriel Levkovich parse_attr = attr->parse_attr; 344227484f71SAriel Levkovich int_port_priv = mlx5e_get_int_port_priv(priv); 344327484f71SAriel Levkovich 344427484f71SAriel Levkovich dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type); 344527484f71SAriel Levkovich if (IS_ERR(dest_int_port)) 344627484f71SAriel Levkovich return PTR_ERR(dest_int_port); 344727484f71SAriel Levkovich 344827484f71SAriel Levkovich err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts, 344927484f71SAriel Levkovich MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG, 345027484f71SAriel Levkovich mlx5e_tc_int_port_get_metadata(dest_int_port)); 345127484f71SAriel Levkovich if (err) { 345227484f71SAriel Levkovich mlx5e_tc_int_port_put(int_port_priv, dest_int_port); 345327484f71SAriel Levkovich return err; 345427484f71SAriel Levkovich } 345527484f71SAriel Levkovich 345627484f71SAriel Levkovich *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR; 345727484f71SAriel Levkovich 345827484f71SAriel Levkovich esw_attr->dest_int_port = dest_int_port; 345927484f71SAriel Levkovich esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE; 346027484f71SAriel Levkovich 346127484f71SAriel Levkovich /* Forward to root fdb for matching against the new source vport */ 346227484f71SAriel Levkovich attr->dest_chain = 0; 346327484f71SAriel Levkovich 346427484f71SAriel Levkovich return 0; 346527484f71SAriel Levkovich } 346627484f71SAriel Levkovich 34678333d53eSRoi Dayan static int 34688333d53eSRoi Dayan parse_tc_fdb_actions(struct mlx5e_priv *priv, 346973867881SPablo Neira Ayuso struct flow_action *flow_action, 3470e98bedf5SEli Britstein struct mlx5e_tc_flow *flow, 347170f8019eSRoi Dayan struct netlink_ext_ack *extack) 3472a54e20b4SHadar Hen Zion { 3473fad54790SRoi Dayan struct mlx5e_tc_act_parse_state *parse_state; 3474c620b772SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr; 3475c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3476c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr; 3477e36db1eeSRoi Dayan struct pedit_headers_action *hdrs; 34788333d53eSRoi Dayan int err; 347903a9d11eSOr Gerlitz 3480df990477SRoi Dayan err = flow_action_supported(flow_action, extack); 3481df990477SRoi Dayan if (err) 3482df990477SRoi Dayan return err; 3483319a1d19SJiri Pirko 3484c620b772SAriel Levkovich esw_attr = attr->esw_attr; 3485c620b772SAriel Levkovich parse_attr = attr->parse_attr; 3486fad54790SRoi Dayan parse_state = &parse_attr->parse_state; 3487fad54790SRoi Dayan mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack); 3488758bc134SRoi Dayan parse_state->ct_priv = get_ct_priv(priv); 3489e36db1eeSRoi Dayan hdrs = parse_state->hdrs; 3490c620b772SAriel Levkovich 34918333d53eSRoi Dayan err = parse_tc_actions(parse_state, flow_action); 3492fad54790SRoi Dayan if (err) 3493fad54790SRoi Dayan return err; 3494bdd66ac0SOr Gerlitz 3495166f431eSAriel Levkovich /* Forward to/from internal port can only have 1 dest */ 3496166f431eSAriel Levkovich if ((netif_is_ovs_master(parse_attr->filter_dev) || esw_attr->dest_int_port) && 3497166f431eSAriel Levkovich esw_attr->out_count > 1) { 349827484f71SAriel Levkovich NL_SET_ERR_MSG_MOD(extack, 3499166f431eSAriel Levkovich "Rules with internal port can have only one destination"); 350027484f71SAriel Levkovich return -EOPNOTSUPP; 350127484f71SAriel Levkovich } 350227484f71SAriel Levkovich 3503d9581e2fSRoi Dayan err = actions_prepare_mod_hdr_actions(priv, flow, attr, hdrs, extack); 3504c500c86bSPablo Neira Ayuso if (err) 3505c500c86bSPablo Neira Ayuso return err; 3506c500c86bSPablo Neira Ayuso 350773867881SPablo Neira Ayuso if (!actions_match_supported(priv, flow_action, parse_attr, flow, extack)) 3508bdd66ac0SOr Gerlitz return -EOPNOTSUPP; 3509bdd66ac0SOr Gerlitz 351031c8eba5SOr Gerlitz return 0; 351103a9d11eSOr Gerlitz } 351203a9d11eSOr Gerlitz 3513226f2ca3SVlad Buslov static void get_flags(int flags, unsigned long *flow_flags) 351460bd4af8SOr Gerlitz { 3515226f2ca3SVlad Buslov unsigned long __flow_flags = 0; 351660bd4af8SOr Gerlitz 3517226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(INGRESS)) 3518226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS); 3519226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(EGRESS)) 3520226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS); 352160bd4af8SOr Gerlitz 3522226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) 3523226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3524226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(NIC_OFFLOAD)) 3525226f2ca3SVlad Buslov __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 352684179981SPaul Blakey if (flags & MLX5_TC_FLAG(FT_OFFLOAD)) 352784179981SPaul Blakey __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT); 3528d9ee0491SOr Gerlitz 352960bd4af8SOr Gerlitz *flow_flags = __flow_flags; 353060bd4af8SOr Gerlitz } 353160bd4af8SOr Gerlitz 353205866c82SOr Gerlitz static const struct rhashtable_params tc_ht_params = { 353305866c82SOr Gerlitz .head_offset = offsetof(struct mlx5e_tc_flow, node), 353405866c82SOr Gerlitz .key_offset = offsetof(struct mlx5e_tc_flow, cookie), 353505866c82SOr Gerlitz .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie), 353605866c82SOr Gerlitz .automatic_shrinking = true, 353705866c82SOr Gerlitz }; 353805866c82SOr Gerlitz 3539226f2ca3SVlad Buslov static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv, 3540226f2ca3SVlad Buslov unsigned long flags) 354105866c82SOr Gerlitz { 3542655dc3d2SOr Gerlitz struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3543655dc3d2SOr Gerlitz struct mlx5e_rep_priv *uplink_rpriv; 3544655dc3d2SOr Gerlitz 3545226f2ca3SVlad Buslov if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) { 3546655dc3d2SOr Gerlitz uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); 3547ec1366c2SOz Shlomo return &uplink_rpriv->uplink_priv.tc_ht; 3548d9ee0491SOr Gerlitz } else /* NIC offload */ 354905866c82SOr Gerlitz return &priv->fs.tc.ht; 355005866c82SOr Gerlitz } 355105866c82SOr Gerlitz 355204de7ddaSRoi Dayan static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow) 355304de7ddaSRoi Dayan { 3554c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr; 3555c620b772SAriel Levkovich struct mlx5_flow_attr *attr = flow->attr; 3556c620b772SAriel Levkovich bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK && 3557226f2ca3SVlad Buslov flow_flag_test(flow, INGRESS); 35581418ddd9SAviv Heller bool act_is_encap = !!(attr->action & 35591418ddd9SAviv Heller MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT); 3560c620b772SAriel Levkovich bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom, 35611418ddd9SAviv Heller MLX5_DEVCOM_ESW_OFFLOADS); 35621418ddd9SAviv Heller 356310fbb1cdSRoi Dayan if (!esw_paired) 356410fbb1cdSRoi Dayan return false; 356510fbb1cdSRoi Dayan 3566c620b772SAriel Levkovich if ((mlx5_lag_is_sriov(esw_attr->in_mdev) || 3567c620b772SAriel Levkovich mlx5_lag_is_multipath(esw_attr->in_mdev)) && 356810fbb1cdSRoi Dayan (is_rep_ingress || act_is_encap)) 356910fbb1cdSRoi Dayan return true; 357010fbb1cdSRoi Dayan 357110fbb1cdSRoi Dayan return false; 357204de7ddaSRoi Dayan } 357304de7ddaSRoi Dayan 3574c620b772SAriel Levkovich struct mlx5_flow_attr * 3575c620b772SAriel Levkovich mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type) 3576c620b772SAriel Levkovich { 3577c620b772SAriel Levkovich u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB) ? 3578c620b772SAriel Levkovich sizeof(struct mlx5_esw_flow_attr) : 3579c620b772SAriel Levkovich sizeof(struct mlx5_nic_flow_attr); 3580c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 3581c620b772SAriel Levkovich 3582c620b772SAriel Levkovich return kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL); 3583c620b772SAriel Levkovich } 3584c620b772SAriel Levkovich 3585a88780a9SRoi Dayan static int 3586a88780a9SRoi Dayan mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size, 3587226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flow_flags, 3588a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr **__parse_attr, 3589a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3590e3a2b7edSAmir Vadai { 359117091853SOr Gerlitz struct mlx5e_tc_flow_parse_attr *parse_attr; 3592c620b772SAriel Levkovich struct mlx5_flow_attr *attr; 35933bc4b7bfSOr Gerlitz struct mlx5e_tc_flow *flow; 3594ff7ea04aSGustavo A. R. Silva int err = -ENOMEM; 3595ff7ea04aSGustavo A. R. Silva int out_index; 3596776b12b6SOr Gerlitz 3597c620b772SAriel Levkovich flow = kzalloc(sizeof(*flow), GFP_KERNEL); 35981b9a07eeSLeon Romanovsky parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL); 3599ff7ea04aSGustavo A. R. Silva if (!parse_attr || !flow) 3600ff7ea04aSGustavo A. R. Silva goto err_free; 3601c620b772SAriel Levkovich 3602c620b772SAriel Levkovich flow->flags = flow_flags; 3603c620b772SAriel Levkovich flow->cookie = f->cookie; 3604c620b772SAriel Levkovich flow->priv = priv; 3605c620b772SAriel Levkovich 3606e36db1eeSRoi Dayan attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow)); 3607ff7ea04aSGustavo A. R. Silva if (!attr) 3608e3a2b7edSAmir Vadai goto err_free; 3609ff7ea04aSGustavo A. R. Silva 3610c620b772SAriel Levkovich flow->attr = attr; 3611e3a2b7edSAmir Vadai 36125a7e5bcbSVlad Buslov for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) 36135a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->encaps[out_index].list); 36145a7e5bcbSVlad Buslov INIT_LIST_HEAD(&flow->hairpin); 361514e6b038SEli Cohen INIT_LIST_HEAD(&flow->l3_to_l2_reformat); 36165a7e5bcbSVlad Buslov refcount_set(&flow->refcnt, 1); 361795435ad7SVlad Buslov init_completion(&flow->init_done); 3618362980eaSVlad Buslov init_completion(&flow->del_hw_done); 3619e3a2b7edSAmir Vadai 3620a88780a9SRoi Dayan *__flow = flow; 3621a88780a9SRoi Dayan *__parse_attr = parse_attr; 3622a88780a9SRoi Dayan 3623a88780a9SRoi Dayan return 0; 3624a88780a9SRoi Dayan 3625a88780a9SRoi Dayan err_free: 3626a88780a9SRoi Dayan kfree(flow); 3627a88780a9SRoi Dayan kvfree(parse_attr); 3628a88780a9SRoi Dayan return err; 3629adb4c123SOr Gerlitz } 3630adb4c123SOr Gerlitz 3631988ab9c7STonghao Zhang static void 3632c7569097SAriel Levkovich mlx5e_flow_attr_init(struct mlx5_flow_attr *attr, 3633c7569097SAriel Levkovich struct mlx5e_tc_flow_parse_attr *parse_attr, 3634c7569097SAriel Levkovich struct flow_cls_offload *f) 3635c7569097SAriel Levkovich { 3636c7569097SAriel Levkovich attr->parse_attr = parse_attr; 3637c7569097SAriel Levkovich attr->chain = f->common.chain_index; 3638c7569097SAriel Levkovich attr->prio = f->common.prio; 3639c7569097SAriel Levkovich } 3640c7569097SAriel Levkovich 3641c7569097SAriel Levkovich static void 3642c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr, 3643988ab9c7STonghao Zhang struct mlx5e_priv *priv, 3644988ab9c7STonghao Zhang struct mlx5e_tc_flow_parse_attr *parse_attr, 3645f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3646988ab9c7STonghao Zhang struct mlx5_eswitch_rep *in_rep, 3647988ab9c7STonghao Zhang struct mlx5_core_dev *in_mdev) 3648988ab9c7STonghao Zhang { 3649988ab9c7STonghao Zhang struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3650c620b772SAriel Levkovich struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr; 3651988ab9c7STonghao Zhang 3652c7569097SAriel Levkovich mlx5e_flow_attr_init(attr, parse_attr, f); 3653988ab9c7STonghao Zhang 3654988ab9c7STonghao Zhang esw_attr->in_rep = in_rep; 3655988ab9c7STonghao Zhang esw_attr->in_mdev = in_mdev; 3656988ab9c7STonghao Zhang 3657988ab9c7STonghao Zhang if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) == 3658988ab9c7STonghao Zhang MLX5_COUNTER_SOURCE_ESWITCH) 3659988ab9c7STonghao Zhang esw_attr->counter_dev = in_mdev; 3660988ab9c7STonghao Zhang else 3661988ab9c7STonghao Zhang esw_attr->counter_dev = priv->mdev; 3662988ab9c7STonghao Zhang } 3663988ab9c7STonghao Zhang 366471129676SJason Gunthorpe static struct mlx5e_tc_flow * 366504de7ddaSRoi Dayan __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3666f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3667226f2ca3SVlad Buslov unsigned long flow_flags, 3668d11afc26SOz Shlomo struct net_device *filter_dev, 366904de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep, 367071129676SJason Gunthorpe struct mlx5_core_dev *in_mdev) 3671a88780a9SRoi Dayan { 3672f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3673a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3674a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3675a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3676a88780a9SRoi Dayan int attr_size, err; 3677a88780a9SRoi Dayan 3678226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH); 3679a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_esw_flow_attr); 3680a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3681a88780a9SRoi Dayan &parse_attr, &flow); 3682a88780a9SRoi Dayan if (err) 3683a88780a9SRoi Dayan goto out; 3684988ab9c7STonghao Zhang 3685d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3686c620b772SAriel Levkovich mlx5e_flow_esw_attr_init(flow->attr, 3687988ab9c7STonghao Zhang priv, parse_attr, 3688988ab9c7STonghao Zhang f, in_rep, in_mdev); 3689988ab9c7STonghao Zhang 369054c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 369154c177caSOz Shlomo f, filter_dev); 3692d11afc26SOz Shlomo if (err) 3693d11afc26SOz Shlomo goto err_free; 3694a88780a9SRoi Dayan 36957e36feebSPaul Blakey /* actions validation depends on parsing the ct matches first */ 3696aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 3697c620b772SAriel Levkovich &flow->attr->ct_attr, extack); 3698a88780a9SRoi Dayan if (err) 3699a88780a9SRoi Dayan goto err_free; 3700a88780a9SRoi Dayan 3701d4bb0531SRoi Dayan /* always set IP version for indirect table handling */ 3702d4bb0531SRoi Dayan flow->attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true); 3703d4bb0531SRoi Dayan 370470f8019eSRoi Dayan err = parse_tc_fdb_actions(priv, &rule->action, flow, extack); 37054c3844d9SPaul Blakey if (err) 37064c3844d9SPaul Blakey goto err_free; 37074c3844d9SPaul Blakey 37087040632dSTonghao Zhang err = mlx5e_tc_add_fdb_flow(priv, flow, extack); 370995435ad7SVlad Buslov complete_all(&flow->init_done); 3710ef06c9eeSRoi Dayan if (err) { 3711ef06c9eeSRoi Dayan if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev))) 3712aa0cbbaeSOr Gerlitz goto err_free; 37135c40348cSOr Gerlitz 3714b4a23329SRoi Dayan add_unready_flow(flow); 3715ef06c9eeSRoi Dayan } 3716ef06c9eeSRoi Dayan 371771129676SJason Gunthorpe return flow; 3718e3a2b7edSAmir Vadai 3719e3a2b7edSAmir Vadai err_free: 37205a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3721a88780a9SRoi Dayan out: 372271129676SJason Gunthorpe return ERR_PTR(err); 3723a88780a9SRoi Dayan } 3724a88780a9SRoi Dayan 3725f9e30088SPablo Neira Ayuso static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f, 372695dc1902SRoi Dayan struct mlx5e_tc_flow *flow, 3727226f2ca3SVlad Buslov unsigned long flow_flags) 372804de7ddaSRoi Dayan { 372904de7ddaSRoi Dayan struct mlx5e_priv *priv = flow->priv, *peer_priv; 373004de7ddaSRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw; 3731c620b772SAriel Levkovich struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr; 373204de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 373304de7ddaSRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 373404de7ddaSRoi Dayan struct mlx5e_rep_priv *peer_urpriv; 373504de7ddaSRoi Dayan struct mlx5e_tc_flow *peer_flow; 373604de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev; 373704de7ddaSRoi Dayan int err = 0; 373804de7ddaSRoi Dayan 373904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 374004de7ddaSRoi Dayan if (!peer_esw) 374104de7ddaSRoi Dayan return -ENODEV; 374204de7ddaSRoi Dayan 374304de7ddaSRoi Dayan peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH); 374404de7ddaSRoi Dayan peer_priv = netdev_priv(peer_urpriv->netdev); 374504de7ddaSRoi Dayan 374604de7ddaSRoi Dayan /* in_mdev is assigned of which the packet originated from. 374704de7ddaSRoi Dayan * So packets redirected to uplink use the same mdev of the 374804de7ddaSRoi Dayan * original flow and packets redirected from uplink use the 374904de7ddaSRoi Dayan * peer mdev. 375004de7ddaSRoi Dayan */ 3751c620b772SAriel Levkovich if (attr->in_rep->vport == MLX5_VPORT_UPLINK) 375204de7ddaSRoi Dayan in_mdev = peer_priv->mdev; 375304de7ddaSRoi Dayan else 375404de7ddaSRoi Dayan in_mdev = priv->mdev; 375504de7ddaSRoi Dayan 3756c620b772SAriel Levkovich parse_attr = flow->attr->parse_attr; 375795dc1902SRoi Dayan peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags, 375804de7ddaSRoi Dayan parse_attr->filter_dev, 3759c620b772SAriel Levkovich attr->in_rep, in_mdev); 376071129676SJason Gunthorpe if (IS_ERR(peer_flow)) { 376171129676SJason Gunthorpe err = PTR_ERR(peer_flow); 376204de7ddaSRoi Dayan goto out; 376371129676SJason Gunthorpe } 376404de7ddaSRoi Dayan 376504de7ddaSRoi Dayan flow->peer_flow = peer_flow; 3766226f2ca3SVlad Buslov flow_flag_set(flow, DUP); 376704de7ddaSRoi Dayan mutex_lock(&esw->offloads.peer_mutex); 376804de7ddaSRoi Dayan list_add_tail(&flow->peer, &esw->offloads.peer_flows); 376904de7ddaSRoi Dayan mutex_unlock(&esw->offloads.peer_mutex); 377004de7ddaSRoi Dayan 377104de7ddaSRoi Dayan out: 377204de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 377304de7ddaSRoi Dayan return err; 377404de7ddaSRoi Dayan } 377504de7ddaSRoi Dayan 377604de7ddaSRoi Dayan static int 377704de7ddaSRoi Dayan mlx5e_add_fdb_flow(struct mlx5e_priv *priv, 3778f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3779226f2ca3SVlad Buslov unsigned long flow_flags, 378004de7ddaSRoi Dayan struct net_device *filter_dev, 378104de7ddaSRoi Dayan struct mlx5e_tc_flow **__flow) 378204de7ddaSRoi Dayan { 378304de7ddaSRoi Dayan struct mlx5e_rep_priv *rpriv = priv->ppriv; 378404de7ddaSRoi Dayan struct mlx5_eswitch_rep *in_rep = rpriv->rep; 378504de7ddaSRoi Dayan struct mlx5_core_dev *in_mdev = priv->mdev; 378604de7ddaSRoi Dayan struct mlx5e_tc_flow *flow; 378704de7ddaSRoi Dayan int err; 378804de7ddaSRoi Dayan 378971129676SJason Gunthorpe flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep, 379071129676SJason Gunthorpe in_mdev); 379171129676SJason Gunthorpe if (IS_ERR(flow)) 379271129676SJason Gunthorpe return PTR_ERR(flow); 379304de7ddaSRoi Dayan 379404de7ddaSRoi Dayan if (is_peer_flow_needed(flow)) { 379595dc1902SRoi Dayan err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags); 379604de7ddaSRoi Dayan if (err) { 379704de7ddaSRoi Dayan mlx5e_tc_del_fdb_flow(priv, flow); 379804de7ddaSRoi Dayan goto out; 379904de7ddaSRoi Dayan } 380004de7ddaSRoi Dayan } 380104de7ddaSRoi Dayan 380204de7ddaSRoi Dayan *__flow = flow; 380304de7ddaSRoi Dayan 380404de7ddaSRoi Dayan return 0; 380504de7ddaSRoi Dayan 380604de7ddaSRoi Dayan out: 380704de7ddaSRoi Dayan return err; 380804de7ddaSRoi Dayan } 380904de7ddaSRoi Dayan 3810a88780a9SRoi Dayan static int 3811a88780a9SRoi Dayan mlx5e_add_nic_flow(struct mlx5e_priv *priv, 3812f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3813226f2ca3SVlad Buslov unsigned long flow_flags, 3814d11afc26SOz Shlomo struct net_device *filter_dev, 3815a88780a9SRoi Dayan struct mlx5e_tc_flow **__flow) 3816a88780a9SRoi Dayan { 3817f9e30088SPablo Neira Ayuso struct flow_rule *rule = flow_cls_offload_flow_rule(f); 3818a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3819a88780a9SRoi Dayan struct mlx5e_tc_flow_parse_attr *parse_attr; 3820a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3821a88780a9SRoi Dayan int attr_size, err; 3822a88780a9SRoi Dayan 3823c7569097SAriel Levkovich if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) { 3824bf07aa73SPaul Blakey if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common)) 3825bf07aa73SPaul Blakey return -EOPNOTSUPP; 3826c7569097SAriel Levkovich } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) { 3827c7569097SAriel Levkovich return -EOPNOTSUPP; 3828c7569097SAriel Levkovich } 3829bf07aa73SPaul Blakey 3830226f2ca3SVlad Buslov flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC); 3831a88780a9SRoi Dayan attr_size = sizeof(struct mlx5_nic_flow_attr); 3832a88780a9SRoi Dayan err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags, 3833a88780a9SRoi Dayan &parse_attr, &flow); 3834a88780a9SRoi Dayan if (err) 3835a88780a9SRoi Dayan goto out; 3836a88780a9SRoi Dayan 3837d11afc26SOz Shlomo parse_attr->filter_dev = filter_dev; 3838c7569097SAriel Levkovich mlx5e_flow_attr_init(flow->attr, parse_attr, f); 3839c7569097SAriel Levkovich 384054c177caSOz Shlomo err = parse_cls_flower(flow->priv, flow, &parse_attr->spec, 384154c177caSOz Shlomo f, filter_dev); 3842d11afc26SOz Shlomo if (err) 3843d11afc26SOz Shlomo goto err_free; 3844d11afc26SOz Shlomo 3845aedd133dSAriel Levkovich err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f, 3846aedd133dSAriel Levkovich &flow->attr->ct_attr, extack); 3847aedd133dSAriel Levkovich if (err) 3848aedd133dSAriel Levkovich goto err_free; 3849aedd133dSAriel Levkovich 3850c6cfe113SRoi Dayan err = parse_tc_nic_actions(priv, &rule->action, flow, extack); 3851a88780a9SRoi Dayan if (err) 3852a88780a9SRoi Dayan goto err_free; 3853a88780a9SRoi Dayan 3854c6cfe113SRoi Dayan err = mlx5e_tc_add_nic_flow(priv, flow, extack); 3855a88780a9SRoi Dayan if (err) 3856a88780a9SRoi Dayan goto err_free; 3857a88780a9SRoi Dayan 3858226f2ca3SVlad Buslov flow_flag_set(flow, OFFLOADED); 3859a88780a9SRoi Dayan *__flow = flow; 3860a88780a9SRoi Dayan 3861a88780a9SRoi Dayan return 0; 3862a88780a9SRoi Dayan 3863a88780a9SRoi Dayan err_free: 38648914add2SVlad Buslov flow_flag_set(flow, FAILED); 38652c0e5cf5SPaul Blakey mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts); 38665a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3867a88780a9SRoi Dayan out: 3868a88780a9SRoi Dayan return err; 3869a88780a9SRoi Dayan } 3870a88780a9SRoi Dayan 3871a88780a9SRoi Dayan static int 3872a88780a9SRoi Dayan mlx5e_tc_add_flow(struct mlx5e_priv *priv, 3873f9e30088SPablo Neira Ayuso struct flow_cls_offload *f, 3874226f2ca3SVlad Buslov unsigned long flags, 3875d11afc26SOz Shlomo struct net_device *filter_dev, 3876a88780a9SRoi Dayan struct mlx5e_tc_flow **flow) 3877a88780a9SRoi Dayan { 3878a88780a9SRoi Dayan struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; 3879226f2ca3SVlad Buslov unsigned long flow_flags; 3880a88780a9SRoi Dayan int err; 3881a88780a9SRoi Dayan 3882a88780a9SRoi Dayan get_flags(flags, &flow_flags); 3883a88780a9SRoi Dayan 3884bf07aa73SPaul Blakey if (!tc_can_offload_extack(priv->netdev, f->common.extack)) 3885bf07aa73SPaul Blakey return -EOPNOTSUPP; 3886bf07aa73SPaul Blakey 3887f6455de0SBodong Wang if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS) 3888d11afc26SOz Shlomo err = mlx5e_add_fdb_flow(priv, f, flow_flags, 3889d11afc26SOz Shlomo filter_dev, flow); 3890a88780a9SRoi Dayan else 3891d11afc26SOz Shlomo err = mlx5e_add_nic_flow(priv, f, flow_flags, 3892d11afc26SOz Shlomo filter_dev, flow); 3893a88780a9SRoi Dayan 3894a88780a9SRoi Dayan return err; 3895a88780a9SRoi Dayan } 3896a88780a9SRoi Dayan 3897553f9328SVu Pham static bool is_flow_rule_duplicate_allowed(struct net_device *dev, 3898553f9328SVu Pham struct mlx5e_rep_priv *rpriv) 3899553f9328SVu Pham { 3900553f9328SVu Pham /* Offloaded flow rule is allowed to duplicate on non-uplink representor 39012fb15e72SVlad Buslov * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this 39022fb15e72SVlad Buslov * function is called from NIC mode. 3903553f9328SVu Pham */ 39042fb15e72SVlad Buslov return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK; 3905553f9328SVu Pham } 3906553f9328SVu Pham 390771d82d2aSOz Shlomo int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv, 3908226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3909a88780a9SRoi Dayan { 3910a88780a9SRoi Dayan struct netlink_ext_ack *extack = f->common.extack; 3911d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3912553f9328SVu Pham struct mlx5e_rep_priv *rpriv = priv->ppriv; 3913a88780a9SRoi Dayan struct mlx5e_tc_flow *flow; 3914a88780a9SRoi Dayan int err = 0; 3915a88780a9SRoi Dayan 39167dc84de9SRoi Dayan if (!mlx5_esw_hold(priv->mdev)) 39177dc84de9SRoi Dayan return -EAGAIN; 39187dc84de9SRoi Dayan 39197dc84de9SRoi Dayan mlx5_esw_get(priv->mdev); 39207dc84de9SRoi Dayan 3921c5d326b2SVlad Buslov rcu_read_lock(); 3922c5d326b2SVlad Buslov flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3923a88780a9SRoi Dayan if (flow) { 3924553f9328SVu Pham /* Same flow rule offloaded to non-uplink representor sharing tc block, 3925553f9328SVu Pham * just return 0. 3926553f9328SVu Pham */ 3927553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev) 3928c1aea9e1SVlad Buslov goto rcu_unlock; 3929553f9328SVu Pham 3930a88780a9SRoi Dayan NL_SET_ERR_MSG_MOD(extack, 3931a88780a9SRoi Dayan "flow cookie already exists, ignoring"); 3932a88780a9SRoi Dayan netdev_warn_once(priv->netdev, 3933a88780a9SRoi Dayan "flow cookie %lx already exists, ignoring\n", 3934a88780a9SRoi Dayan f->cookie); 39350e1c1a2fSVlad Buslov err = -EEXIST; 3936c1aea9e1SVlad Buslov goto rcu_unlock; 3937a88780a9SRoi Dayan } 3938c1aea9e1SVlad Buslov rcu_unlock: 3939c1aea9e1SVlad Buslov rcu_read_unlock(); 3940c1aea9e1SVlad Buslov if (flow) 3941c1aea9e1SVlad Buslov goto out; 3942a88780a9SRoi Dayan 39437a978759SDmytro Linkin trace_mlx5e_configure_flower(f); 3944d11afc26SOz Shlomo err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow); 3945a88780a9SRoi Dayan if (err) 3946a88780a9SRoi Dayan goto out; 3947a88780a9SRoi Dayan 3948553f9328SVu Pham /* Flow rule offloaded to non-uplink representor sharing tc block, 3949553f9328SVu Pham * set the flow's owner dev. 3950553f9328SVu Pham */ 3951553f9328SVu Pham if (is_flow_rule_duplicate_allowed(dev, rpriv)) 3952553f9328SVu Pham flow->orig_dev = dev; 3953553f9328SVu Pham 3954c5d326b2SVlad Buslov err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params); 3955a88780a9SRoi Dayan if (err) 3956a88780a9SRoi Dayan goto err_free; 3957a88780a9SRoi Dayan 39587dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 3959a88780a9SRoi Dayan return 0; 3960a88780a9SRoi Dayan 3961a88780a9SRoi Dayan err_free: 39625a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 3963a88780a9SRoi Dayan out: 39647dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 39657dc84de9SRoi Dayan mlx5_esw_release(priv->mdev); 3966e3a2b7edSAmir Vadai return err; 3967e3a2b7edSAmir Vadai } 3968e3a2b7edSAmir Vadai 39698f8ae895SOr Gerlitz static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags) 39708f8ae895SOr Gerlitz { 3971226f2ca3SVlad Buslov bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS)); 3972226f2ca3SVlad Buslov bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS)); 39738f8ae895SOr Gerlitz 3974226f2ca3SVlad Buslov return flow_flag_test(flow, INGRESS) == dir_ingress && 3975226f2ca3SVlad Buslov flow_flag_test(flow, EGRESS) == dir_egress; 39768f8ae895SOr Gerlitz } 39778f8ae895SOr Gerlitz 397871d82d2aSOz Shlomo int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv, 3979226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 3980e3a2b7edSAmir Vadai { 3981d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 3982e3a2b7edSAmir Vadai struct mlx5e_tc_flow *flow; 3983c5d326b2SVlad Buslov int err; 3984e3a2b7edSAmir Vadai 3985c5d326b2SVlad Buslov rcu_read_lock(); 3986ab818362STaehee Yoo flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params); 3987c5d326b2SVlad Buslov if (!flow || !same_flow_direction(flow, flags)) { 3988c5d326b2SVlad Buslov err = -EINVAL; 3989c5d326b2SVlad Buslov goto errout; 3990c5d326b2SVlad Buslov } 3991e3a2b7edSAmir Vadai 3992c5d326b2SVlad Buslov /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag 3993c5d326b2SVlad Buslov * set. 3994c5d326b2SVlad Buslov */ 3995c5d326b2SVlad Buslov if (flow_flag_test_and_set(flow, DELETED)) { 3996c5d326b2SVlad Buslov err = -EINVAL; 3997c5d326b2SVlad Buslov goto errout; 3998c5d326b2SVlad Buslov } 399905866c82SOr Gerlitz rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params); 4000c5d326b2SVlad Buslov rcu_read_unlock(); 4001e3a2b7edSAmir Vadai 40027a978759SDmytro Linkin trace_mlx5e_delete_flower(f); 40035a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 4004e3a2b7edSAmir Vadai 40057dc84de9SRoi Dayan mlx5_esw_put(priv->mdev); 4006e3a2b7edSAmir Vadai return 0; 4007c5d326b2SVlad Buslov 4008c5d326b2SVlad Buslov errout: 4009c5d326b2SVlad Buslov rcu_read_unlock(); 4010c5d326b2SVlad Buslov return err; 4011e3a2b7edSAmir Vadai } 4012e3a2b7edSAmir Vadai 401371d82d2aSOz Shlomo int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, 4014226f2ca3SVlad Buslov struct flow_cls_offload *f, unsigned long flags) 4015aad7e08dSAmir Vadai { 401604de7ddaSRoi Dayan struct mlx5_devcom *devcom = priv->mdev->priv.devcom; 4017d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 401804de7ddaSRoi Dayan struct mlx5_eswitch *peer_esw; 4019aad7e08dSAmir Vadai struct mlx5e_tc_flow *flow; 4020aad7e08dSAmir Vadai struct mlx5_fc *counter; 4021316d5f72SRoi Dayan u64 lastuse = 0; 4022316d5f72SRoi Dayan u64 packets = 0; 4023316d5f72SRoi Dayan u64 bytes = 0; 40245a7e5bcbSVlad Buslov int err = 0; 4025aad7e08dSAmir Vadai 4026c5d326b2SVlad Buslov rcu_read_lock(); 4027c5d326b2SVlad Buslov flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie, 40285a7e5bcbSVlad Buslov tc_ht_params)); 4029c5d326b2SVlad Buslov rcu_read_unlock(); 40305a7e5bcbSVlad Buslov if (IS_ERR(flow)) 40315a7e5bcbSVlad Buslov return PTR_ERR(flow); 40325a7e5bcbSVlad Buslov 40335a7e5bcbSVlad Buslov if (!same_flow_direction(flow, flags)) { 40345a7e5bcbSVlad Buslov err = -EINVAL; 40355a7e5bcbSVlad Buslov goto errout; 40365a7e5bcbSVlad Buslov } 4037aad7e08dSAmir Vadai 40384c3844d9SPaul Blakey if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { 4039b8aee822SMark Bloch counter = mlx5e_tc_get_counter(flow); 4040aad7e08dSAmir Vadai if (!counter) 40415a7e5bcbSVlad Buslov goto errout; 4042aad7e08dSAmir Vadai 4043aad7e08dSAmir Vadai mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); 4044316d5f72SRoi Dayan } 4045aad7e08dSAmir Vadai 4046316d5f72SRoi Dayan /* Under multipath it's possible for one rule to be currently 4047316d5f72SRoi Dayan * un-offloaded while the other rule is offloaded. 4048316d5f72SRoi Dayan */ 404904de7ddaSRoi Dayan peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 405004de7ddaSRoi Dayan if (!peer_esw) 405104de7ddaSRoi Dayan goto out; 405204de7ddaSRoi Dayan 4053226f2ca3SVlad Buslov if (flow_flag_test(flow, DUP) && 4054226f2ca3SVlad Buslov flow_flag_test(flow->peer_flow, OFFLOADED)) { 405504de7ddaSRoi Dayan u64 bytes2; 405604de7ddaSRoi Dayan u64 packets2; 405704de7ddaSRoi Dayan u64 lastuse2; 405804de7ddaSRoi Dayan 405904de7ddaSRoi Dayan counter = mlx5e_tc_get_counter(flow->peer_flow); 4060316d5f72SRoi Dayan if (!counter) 4061316d5f72SRoi Dayan goto no_peer_counter; 406204de7ddaSRoi Dayan mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); 406304de7ddaSRoi Dayan 406404de7ddaSRoi Dayan bytes += bytes2; 406504de7ddaSRoi Dayan packets += packets2; 406604de7ddaSRoi Dayan lastuse = max_t(u64, lastuse, lastuse2); 406704de7ddaSRoi Dayan } 406804de7ddaSRoi Dayan 4069316d5f72SRoi Dayan no_peer_counter: 407004de7ddaSRoi Dayan mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); 407104de7ddaSRoi Dayan out: 40724b61d3e8SPo Liu flow_stats_update(&f->stats, bytes, packets, 0, lastuse, 407393a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 40747a978759SDmytro Linkin trace_mlx5e_stats_flower(f); 40755a7e5bcbSVlad Buslov errout: 40765a7e5bcbSVlad Buslov mlx5e_flow_put(priv, flow); 40775a7e5bcbSVlad Buslov return err; 4078aad7e08dSAmir Vadai } 4079aad7e08dSAmir Vadai 40801fe3e316SParav Pandit static int apply_police_params(struct mlx5e_priv *priv, u64 rate, 4081fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4082fcb64c0fSEli Cohen { 4083fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4084fcb64c0fSEli Cohen struct mlx5_eswitch *esw; 40851fe3e316SParav Pandit u32 rate_mbps = 0; 4086fcb64c0fSEli Cohen u16 vport_num; 4087fcb64c0fSEli Cohen int err; 4088fcb64c0fSEli Cohen 4089e401a184SEli Cohen vport_num = rpriv->rep->vport; 4090e401a184SEli Cohen if (vport_num >= MLX5_VPORT_ECPF) { 4091e401a184SEli Cohen NL_SET_ERR_MSG_MOD(extack, 4092e401a184SEli Cohen "Ingress rate limit is supported only for Eswitch ports connected to VFs"); 4093e401a184SEli Cohen return -EOPNOTSUPP; 4094e401a184SEli Cohen } 4095e401a184SEli Cohen 4096fcb64c0fSEli Cohen esw = priv->mdev->priv.eswitch; 4097fcb64c0fSEli Cohen /* rate is given in bytes/sec. 4098fcb64c0fSEli Cohen * First convert to bits/sec and then round to the nearest mbit/secs. 4099fcb64c0fSEli Cohen * mbit means million bits. 4100fcb64c0fSEli Cohen * Moreover, if rate is non zero we choose to configure to a minimum of 4101fcb64c0fSEli Cohen * 1 mbit/sec. 4102fcb64c0fSEli Cohen */ 41031fe3e316SParav Pandit if (rate) { 41041fe3e316SParav Pandit rate = (rate * BITS_PER_BYTE) + 500000; 41058b90d897SParav Pandit do_div(rate, 1000000); 41068b90d897SParav Pandit rate_mbps = max_t(u32, rate, 1); 41071fe3e316SParav Pandit } 41081fe3e316SParav Pandit 41092d116e3eSDmytro Linkin err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps); 4110fcb64c0fSEli Cohen if (err) 4111fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware"); 4112fcb64c0fSEli Cohen 4113fcb64c0fSEli Cohen return err; 4114fcb64c0fSEli Cohen } 4115fcb64c0fSEli Cohen 4116fcb64c0fSEli Cohen static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 4117fcb64c0fSEli Cohen struct flow_action *flow_action, 4118fcb64c0fSEli Cohen struct netlink_ext_ack *extack) 4119fcb64c0fSEli Cohen { 4120fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4121fcb64c0fSEli Cohen const struct flow_action_entry *act; 4122fcb64c0fSEli Cohen int err; 4123fcb64c0fSEli Cohen int i; 4124fcb64c0fSEli Cohen 4125fcb64c0fSEli Cohen if (!flow_action_has_entries(flow_action)) { 4126fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall called with no action"); 4127fcb64c0fSEli Cohen return -EINVAL; 4128fcb64c0fSEli Cohen } 4129fcb64c0fSEli Cohen 4130fcb64c0fSEli Cohen if (!flow_offload_has_one_action(flow_action)) { 4131fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action"); 4132fcb64c0fSEli Cohen return -EOPNOTSUPP; 4133fcb64c0fSEli Cohen } 4134fcb64c0fSEli Cohen 41350885ae1aSAbhiram R N if (!flow_action_basic_hw_stats_check(flow_action, extack)) { 41360885ae1aSAbhiram R N NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported"); 4137319a1d19SJiri Pirko return -EOPNOTSUPP; 41380885ae1aSAbhiram R N } 4139319a1d19SJiri Pirko 4140fcb64c0fSEli Cohen flow_action_for_each(i, act, flow_action) { 4141fcb64c0fSEli Cohen switch (act->id) { 4142fcb64c0fSEli Cohen case FLOW_ACTION_POLICE: 41436a56e199SBaowen Zheng if (act->police.rate_pkt_ps) { 41446a56e199SBaowen Zheng NL_SET_ERR_MSG_MOD(extack, "QoS offload not support packets per second"); 41456a56e199SBaowen Zheng return -EOPNOTSUPP; 41466a56e199SBaowen Zheng } 4147fcb64c0fSEli Cohen err = apply_police_params(priv, act->police.rate_bytes_ps, extack); 4148fcb64c0fSEli Cohen if (err) 4149fcb64c0fSEli Cohen return err; 4150fcb64c0fSEli Cohen 4151fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = priv->stats.vf_vport; 4152fcb64c0fSEli Cohen break; 4153fcb64c0fSEli Cohen default: 4154fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); 4155fcb64c0fSEli Cohen return -EOPNOTSUPP; 4156fcb64c0fSEli Cohen } 4157fcb64c0fSEli Cohen } 4158fcb64c0fSEli Cohen 4159fcb64c0fSEli Cohen return 0; 4160fcb64c0fSEli Cohen } 4161fcb64c0fSEli Cohen 4162fcb64c0fSEli Cohen int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv, 4163fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4164fcb64c0fSEli Cohen { 4165fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4166fcb64c0fSEli Cohen 41677b83355fSEli Cohen if (ma->common.prio != 1) { 4168fcb64c0fSEli Cohen NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported"); 4169fcb64c0fSEli Cohen return -EINVAL; 4170fcb64c0fSEli Cohen } 4171fcb64c0fSEli Cohen 4172fcb64c0fSEli Cohen return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack); 4173fcb64c0fSEli Cohen } 4174fcb64c0fSEli Cohen 4175fcb64c0fSEli Cohen int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv, 4176fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4177fcb64c0fSEli Cohen { 4178fcb64c0fSEli Cohen struct netlink_ext_ack *extack = ma->common.extack; 4179fcb64c0fSEli Cohen 4180fcb64c0fSEli Cohen return apply_police_params(priv, 0, extack); 4181fcb64c0fSEli Cohen } 4182fcb64c0fSEli Cohen 4183fcb64c0fSEli Cohen void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, 4184fcb64c0fSEli Cohen struct tc_cls_matchall_offload *ma) 4185fcb64c0fSEli Cohen { 4186fcb64c0fSEli Cohen struct mlx5e_rep_priv *rpriv = priv->ppriv; 4187fcb64c0fSEli Cohen struct rtnl_link_stats64 cur_stats; 4188fcb64c0fSEli Cohen u64 dbytes; 4189fcb64c0fSEli Cohen u64 dpkts; 4190fcb64c0fSEli Cohen 4191fcb64c0fSEli Cohen cur_stats = priv->stats.vf_vport; 4192fcb64c0fSEli Cohen dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; 4193fcb64c0fSEli Cohen dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; 4194fcb64c0fSEli Cohen rpriv->prev_vf_vport_stats = cur_stats; 41954b61d3e8SPo Liu flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies, 419693a129ebSJiri Pirko FLOW_ACTION_HW_STATS_DELAYED); 4197fcb64c0fSEli Cohen } 4198fcb64c0fSEli Cohen 41994d8fcf21SAlaa Hleihel static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, 42004d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv) 42014d8fcf21SAlaa Hleihel { 42024d8fcf21SAlaa Hleihel struct mlx5_core_dev *peer_mdev = peer_priv->mdev; 4203db76ca24SVlad Buslov struct mlx5e_hairpin_entry *hpe, *tmp; 4204db76ca24SVlad Buslov LIST_HEAD(init_wait_list); 42054d8fcf21SAlaa Hleihel u16 peer_vhca_id; 42064d8fcf21SAlaa Hleihel int bkt; 42074d8fcf21SAlaa Hleihel 4208ab3f3d5eSRoi Dayan if (!mlx5e_same_hw_devs(priv, peer_priv)) 42094d8fcf21SAlaa Hleihel return; 42104d8fcf21SAlaa Hleihel 42114d8fcf21SAlaa Hleihel peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id); 42124d8fcf21SAlaa Hleihel 4213b32accdaSVlad Buslov mutex_lock(&priv->fs.tc.hairpin_tbl_lock); 4214db76ca24SVlad Buslov hash_for_each(priv->fs.tc.hairpin_tbl, bkt, hpe, hairpin_hlist) 4215db76ca24SVlad Buslov if (refcount_inc_not_zero(&hpe->refcnt)) 4216db76ca24SVlad Buslov list_add(&hpe->dead_peer_wait_list, &init_wait_list); 4217b32accdaSVlad Buslov mutex_unlock(&priv->fs.tc.hairpin_tbl_lock); 4218db76ca24SVlad Buslov 4219db76ca24SVlad Buslov list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { 4220db76ca24SVlad Buslov wait_for_completion(&hpe->res_ready); 4221db76ca24SVlad Buslov if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) 4222a3e5fd93SDima Chumak mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); 4223db76ca24SVlad Buslov 4224db76ca24SVlad Buslov mlx5e_hairpin_put(priv, hpe); 4225db76ca24SVlad Buslov } 42264d8fcf21SAlaa Hleihel } 42274d8fcf21SAlaa Hleihel 42284d8fcf21SAlaa Hleihel static int mlx5e_tc_netdev_event(struct notifier_block *this, 42294d8fcf21SAlaa Hleihel unsigned long event, void *ptr) 42304d8fcf21SAlaa Hleihel { 42314d8fcf21SAlaa Hleihel struct net_device *ndev = netdev_notifier_info_to_dev(ptr); 42324d8fcf21SAlaa Hleihel struct mlx5e_flow_steering *fs; 42334d8fcf21SAlaa Hleihel struct mlx5e_priv *peer_priv; 42344d8fcf21SAlaa Hleihel struct mlx5e_tc_table *tc; 42354d8fcf21SAlaa Hleihel struct mlx5e_priv *priv; 42364d8fcf21SAlaa Hleihel 42374d8fcf21SAlaa Hleihel if (ndev->netdev_ops != &mlx5e_netdev_ops || 42384d8fcf21SAlaa Hleihel event != NETDEV_UNREGISTER || 42394d8fcf21SAlaa Hleihel ndev->reg_state == NETREG_REGISTERED) 42404d8fcf21SAlaa Hleihel return NOTIFY_DONE; 42414d8fcf21SAlaa Hleihel 42424d8fcf21SAlaa Hleihel tc = container_of(this, struct mlx5e_tc_table, netdevice_nb); 42434d8fcf21SAlaa Hleihel fs = container_of(tc, struct mlx5e_flow_steering, tc); 42444d8fcf21SAlaa Hleihel priv = container_of(fs, struct mlx5e_priv, fs); 42454d8fcf21SAlaa Hleihel peer_priv = netdev_priv(ndev); 42464d8fcf21SAlaa Hleihel if (priv == peer_priv || 42474d8fcf21SAlaa Hleihel !(priv->netdev->features & NETIF_F_HW_TC)) 42484d8fcf21SAlaa Hleihel return NOTIFY_DONE; 42494d8fcf21SAlaa Hleihel 42504d8fcf21SAlaa Hleihel mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv); 42514d8fcf21SAlaa Hleihel 42524d8fcf21SAlaa Hleihel return NOTIFY_DONE; 42534d8fcf21SAlaa Hleihel } 42544d8fcf21SAlaa Hleihel 42556a064674SAriel Levkovich static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev) 42566a064674SAriel Levkovich { 42576a064674SAriel Levkovich int tc_grp_size, tc_tbl_size; 42586a064674SAriel Levkovich u32 max_flow_counter; 42596a064674SAriel Levkovich 42606a064674SAriel Levkovich max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) | 42616a064674SAriel Levkovich MLX5_CAP_GEN(dev, max_flow_counter_15_0); 42626a064674SAriel Levkovich 42636a064674SAriel Levkovich tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE); 42646a064674SAriel Levkovich 42656a064674SAriel Levkovich tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS, 42666a064674SAriel Levkovich BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size))); 42676a064674SAriel Levkovich 42686a064674SAriel Levkovich return tc_tbl_size; 42696a064674SAriel Levkovich } 42706a064674SAriel Levkovich 4271655dc3d2SOr Gerlitz int mlx5e_tc_nic_init(struct mlx5e_priv *priv) 4272e8f887acSAmir Vadai { 4273acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 42746a064674SAriel Levkovich struct mlx5_core_dev *dev = priv->mdev; 4275c9355682SChris Mi struct mapping_ctx *chains_mapping; 42766a064674SAriel Levkovich struct mlx5_chains_attr attr = {}; 42772198b932SRoi Dayan u64 mapping_id; 42784d8fcf21SAlaa Hleihel int err; 4279e8f887acSAmir Vadai 4280b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_init(&tc->mod_hdr); 4281b6fac0b4SVlad Buslov mutex_init(&tc->t_lock); 4282b32accdaSVlad Buslov mutex_init(&tc->hairpin_tbl_lock); 42835c65c564SOr Gerlitz hash_init(tc->hairpin_tbl); 428411c9c548SOr Gerlitz 42854d8fcf21SAlaa Hleihel err = rhashtable_init(&tc->ht, &tc_ht_params); 42864d8fcf21SAlaa Hleihel if (err) 42874d8fcf21SAlaa Hleihel return err; 42884d8fcf21SAlaa Hleihel 42899ba33339SRoi Dayan lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key); 42909ba33339SRoi Dayan 42912198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(dev); 42922198b932SRoi Dayan 42932198b932SRoi Dayan chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN, 42942198b932SRoi Dayan sizeof(struct mlx5_mapped_obj), 4295c9355682SChris Mi MLX5E_TC_TABLE_CHAIN_TAG_MASK, true); 42962198b932SRoi Dayan 4297c9355682SChris Mi if (IS_ERR(chains_mapping)) { 4298c9355682SChris Mi err = PTR_ERR(chains_mapping); 4299c9355682SChris Mi goto err_mapping; 4300c9355682SChris Mi } 4301c9355682SChris Mi tc->mapping = chains_mapping; 4302c9355682SChris Mi 4303c9355682SChris Mi if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) 4304c7569097SAriel Levkovich attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED | 4305c7569097SAriel Levkovich MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED; 43066a064674SAriel Levkovich attr.ns = MLX5_FLOW_NAMESPACE_KERNEL; 43076a064674SAriel Levkovich attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev); 43086a064674SAriel Levkovich attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS; 43096783f0a2SVu Pham attr.default_ft = mlx5e_vlan_get_flowtable(priv->fs.vlan); 4310c9355682SChris Mi attr.mapping = chains_mapping; 43116a064674SAriel Levkovich 43126a064674SAriel Levkovich tc->chains = mlx5_chains_create(dev, &attr); 43136a064674SAriel Levkovich if (IS_ERR(tc->chains)) { 43146a064674SAriel Levkovich err = PTR_ERR(tc->chains); 43156a064674SAriel Levkovich goto err_chains; 43166a064674SAriel Levkovich } 43176a064674SAriel Levkovich 4318f0da4daaSChris Mi tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL); 4319aedd133dSAriel Levkovich tc->ct = mlx5_tc_ct_init(priv, tc->chains, &priv->fs.tc.mod_hdr, 4320f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act); 4321aedd133dSAriel Levkovich 43224d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event; 4323d48834f9SJiri Pirko err = register_netdevice_notifier_dev_net(priv->netdev, 4324d48834f9SJiri Pirko &tc->netdevice_nb, 4325d48834f9SJiri Pirko &tc->netdevice_nn); 4326d48834f9SJiri Pirko if (err) { 43274d8fcf21SAlaa Hleihel tc->netdevice_nb.notifier_call = NULL; 43284d8fcf21SAlaa Hleihel mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n"); 43296a064674SAriel Levkovich goto err_reg; 43304d8fcf21SAlaa Hleihel } 43314d8fcf21SAlaa Hleihel 43326a064674SAriel Levkovich return 0; 43336a064674SAriel Levkovich 43346a064674SAriel Levkovich err_reg: 4335aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4336f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 43376a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 43386a064674SAriel Levkovich err_chains: 4339c9355682SChris Mi mapping_destroy(chains_mapping); 4340c9355682SChris Mi err_mapping: 43416a064674SAriel Levkovich rhashtable_destroy(&tc->ht); 43424d8fcf21SAlaa Hleihel return err; 4343e8f887acSAmir Vadai } 4344e8f887acSAmir Vadai 4345e8f887acSAmir Vadai static void _mlx5e_tc_del_flow(void *ptr, void *arg) 4346e8f887acSAmir Vadai { 4347e8f887acSAmir Vadai struct mlx5e_tc_flow *flow = ptr; 4348655dc3d2SOr Gerlitz struct mlx5e_priv *priv = flow->priv; 4349e8f887acSAmir Vadai 4350961e8979SRoi Dayan mlx5e_tc_del_flow(priv, flow); 4351e8f887acSAmir Vadai kfree(flow); 4352e8f887acSAmir Vadai } 4353e8f887acSAmir Vadai 4354655dc3d2SOr Gerlitz void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) 4355e8f887acSAmir Vadai { 4356acff797cSMaor Gottlieb struct mlx5e_tc_table *tc = &priv->fs.tc; 4357e8f887acSAmir Vadai 43584d8fcf21SAlaa Hleihel if (tc->netdevice_nb.notifier_call) 4359d48834f9SJiri Pirko unregister_netdevice_notifier_dev_net(priv->netdev, 4360d48834f9SJiri Pirko &tc->netdevice_nb, 4361d48834f9SJiri Pirko &tc->netdevice_nn); 43624d8fcf21SAlaa Hleihel 4363b2fdf3d0SPaul Blakey mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr); 4364b32accdaSVlad Buslov mutex_destroy(&tc->hairpin_tbl_lock); 4365b32accdaSVlad Buslov 43666a064674SAriel Levkovich rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL); 4367e8f887acSAmir Vadai 4368acff797cSMaor Gottlieb if (!IS_ERR_OR_NULL(tc->t)) { 43696a064674SAriel Levkovich mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL); 4370acff797cSMaor Gottlieb tc->t = NULL; 4371e8f887acSAmir Vadai } 4372b6fac0b4SVlad Buslov mutex_destroy(&tc->t_lock); 43736a064674SAriel Levkovich 4374aedd133dSAriel Levkovich mlx5_tc_ct_clean(tc->ct); 4375f0da4daaSChris Mi mlx5e_tc_post_act_destroy(tc->post_act); 4376c9355682SChris Mi mapping_destroy(tc->mapping); 43776a064674SAriel Levkovich mlx5_chains_destroy(tc->chains); 4378e8f887acSAmir Vadai } 4379655dc3d2SOr Gerlitz 4380655dc3d2SOr Gerlitz int mlx5e_tc_esw_init(struct rhashtable *tc_ht) 4381655dc3d2SOr Gerlitz { 4382d7a42ad0SRoi Dayan const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts); 43830a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 4384aedd133dSAriel Levkovich struct mlx5e_rep_priv *rpriv; 43850a7fcb78SPaul Blakey struct mapping_ctx *mapping; 4386aedd133dSAriel Levkovich struct mlx5_eswitch *esw; 4387aedd133dSAriel Levkovich struct mlx5e_priv *priv; 43882198b932SRoi Dayan u64 mapping_id; 4389aedd133dSAriel Levkovich int err = 0; 43900a7fcb78SPaul Blakey 43910a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 4392aedd133dSAriel Levkovich rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv); 4393aedd133dSAriel Levkovich priv = netdev_priv(rpriv->netdev); 4394aedd133dSAriel Levkovich esw = priv->mdev->priv.eswitch; 43950a7fcb78SPaul Blakey 4396f0da4daaSChris Mi uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw), 4397f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB); 4398aedd133dSAriel Levkovich uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev), 4399aedd133dSAriel Levkovich esw_chains(esw), 4400aedd133dSAriel Levkovich &esw->offloads.mod_hdr, 4401f0da4daaSChris Mi MLX5_FLOW_NAMESPACE_FDB, 4402f0da4daaSChris Mi uplink_priv->post_act); 44034c3844d9SPaul Blakey 44044f4edcc2SAriel Levkovich uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev)); 44054f4edcc2SAriel Levkovich 44062741f223SChris Mi uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act); 44072a9ab10aSChris Mi 44082198b932SRoi Dayan mapping_id = mlx5_query_nic_system_image_guid(esw->dev); 44092198b932SRoi Dayan 44102198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL, 44112198b932SRoi Dayan sizeof(struct tunnel_match_key), 44120a7fcb78SPaul Blakey TUNNEL_INFO_BITS_MASK, true); 44132198b932SRoi Dayan 44140a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 44150a7fcb78SPaul Blakey err = PTR_ERR(mapping); 44160a7fcb78SPaul Blakey goto err_tun_mapping; 44170a7fcb78SPaul Blakey } 44180a7fcb78SPaul Blakey uplink_priv->tunnel_mapping = mapping; 44190a7fcb78SPaul Blakey 44203222efd4SVlad Buslov /* Two last values are reserved for stack devices slow path table mark 44213222efd4SVlad Buslov * and bridge ingress push mark. 44223222efd4SVlad Buslov */ 44232198b932SRoi Dayan mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS, 44243222efd4SVlad Buslov sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true); 44250a7fcb78SPaul Blakey if (IS_ERR(mapping)) { 44260a7fcb78SPaul Blakey err = PTR_ERR(mapping); 44270a7fcb78SPaul Blakey goto err_enc_opts_mapping; 44280a7fcb78SPaul Blakey } 44290a7fcb78SPaul Blakey uplink_priv->tunnel_enc_opts_mapping = mapping; 44300a7fcb78SPaul Blakey 44310a7fcb78SPaul Blakey err = rhashtable_init(tc_ht, &tc_ht_params); 44320a7fcb78SPaul Blakey if (err) 44330a7fcb78SPaul Blakey goto err_ht_init; 44340a7fcb78SPaul Blakey 44359ba33339SRoi Dayan lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key); 44369ba33339SRoi Dayan 44378914add2SVlad Buslov uplink_priv->encap = mlx5e_tc_tun_init(priv); 44382b6c3c1eSWei Yongjun if (IS_ERR(uplink_priv->encap)) { 44392b6c3c1eSWei Yongjun err = PTR_ERR(uplink_priv->encap); 44408914add2SVlad Buslov goto err_register_fib_notifier; 44412b6c3c1eSWei Yongjun } 44428914add2SVlad Buslov 44432b6c3c1eSWei Yongjun return 0; 44440a7fcb78SPaul Blakey 44458914add2SVlad Buslov err_register_fib_notifier: 44468914add2SVlad Buslov rhashtable_destroy(tc_ht); 44470a7fcb78SPaul Blakey err_ht_init: 44480a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 44490a7fcb78SPaul Blakey err_enc_opts_mapping: 44500a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 44510a7fcb78SPaul Blakey err_tun_mapping: 44520027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 44534f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 4454aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 44550a7fcb78SPaul Blakey netdev_warn(priv->netdev, 44560a7fcb78SPaul Blakey "Failed to initialize tc (eswitch), err: %d", err); 4457f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 44580a7fcb78SPaul Blakey return err; 4459655dc3d2SOr Gerlitz } 4460655dc3d2SOr Gerlitz 4461655dc3d2SOr Gerlitz void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht) 4462655dc3d2SOr Gerlitz { 44630a7fcb78SPaul Blakey struct mlx5_rep_uplink_priv *uplink_priv; 44640a7fcb78SPaul Blakey 44650a7fcb78SPaul Blakey uplink_priv = container_of(tc_ht, struct mlx5_rep_uplink_priv, tc_ht); 4466aedd133dSAriel Levkovich 44678914add2SVlad Buslov rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL); 44688914add2SVlad Buslov mlx5e_tc_tun_cleanup(uplink_priv->encap); 44698914add2SVlad Buslov 44700a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_enc_opts_mapping); 44710a7fcb78SPaul Blakey mapping_destroy(uplink_priv->tunnel_mapping); 44724c3844d9SPaul Blakey 44730027d70cSChris Mi mlx5e_tc_sample_cleanup(uplink_priv->tc_psample); 44744f4edcc2SAriel Levkovich mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv); 4475aedd133dSAriel Levkovich mlx5_tc_ct_clean(uplink_priv->ct_priv); 4476f0da4daaSChris Mi mlx5e_tc_post_act_destroy(uplink_priv->post_act); 4477655dc3d2SOr Gerlitz } 447801252a27SOr Gerlitz 4479226f2ca3SVlad Buslov int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags) 448001252a27SOr Gerlitz { 4481d9ee0491SOr Gerlitz struct rhashtable *tc_ht = get_tc_ht(priv, flags); 448201252a27SOr Gerlitz 448301252a27SOr Gerlitz return atomic_read(&tc_ht->nelems); 448401252a27SOr Gerlitz } 448504de7ddaSRoi Dayan 448604de7ddaSRoi Dayan void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw) 448704de7ddaSRoi Dayan { 448804de7ddaSRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 448904de7ddaSRoi Dayan 449004de7ddaSRoi Dayan list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer) 449104de7ddaSRoi Dayan __mlx5e_tc_del_fdb_peer_flow(flow); 449204de7ddaSRoi Dayan } 4493b4a23329SRoi Dayan 4494b4a23329SRoi Dayan void mlx5e_tc_reoffload_flows_work(struct work_struct *work) 4495b4a23329SRoi Dayan { 4496b4a23329SRoi Dayan struct mlx5_rep_uplink_priv *rpriv = 4497b4a23329SRoi Dayan container_of(work, struct mlx5_rep_uplink_priv, 4498b4a23329SRoi Dayan reoffload_flows_work); 4499b4a23329SRoi Dayan struct mlx5e_tc_flow *flow, *tmp; 4500b4a23329SRoi Dayan 4501ad86755bSVlad Buslov mutex_lock(&rpriv->unready_flows_lock); 4502b4a23329SRoi Dayan list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) { 4503b4a23329SRoi Dayan if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL)) 4504ad86755bSVlad Buslov unready_flow_del(flow); 4505b4a23329SRoi Dayan } 4506ad86755bSVlad Buslov mutex_unlock(&rpriv->unready_flows_lock); 4507b4a23329SRoi Dayan } 4508e2394a61SVlad Buslov 4509e2394a61SVlad Buslov static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv, 4510e2394a61SVlad Buslov struct flow_cls_offload *cls_flower, 4511e2394a61SVlad Buslov unsigned long flags) 4512e2394a61SVlad Buslov { 4513e2394a61SVlad Buslov switch (cls_flower->command) { 4514e2394a61SVlad Buslov case FLOW_CLS_REPLACE: 4515e2394a61SVlad Buslov return mlx5e_configure_flower(priv->netdev, priv, cls_flower, 4516e2394a61SVlad Buslov flags); 4517e2394a61SVlad Buslov case FLOW_CLS_DESTROY: 4518e2394a61SVlad Buslov return mlx5e_delete_flower(priv->netdev, priv, cls_flower, 4519e2394a61SVlad Buslov flags); 4520e2394a61SVlad Buslov case FLOW_CLS_STATS: 4521e2394a61SVlad Buslov return mlx5e_stats_flower(priv->netdev, priv, cls_flower, 4522e2394a61SVlad Buslov flags); 4523e2394a61SVlad Buslov default: 4524e2394a61SVlad Buslov return -EOPNOTSUPP; 4525e2394a61SVlad Buslov } 4526e2394a61SVlad Buslov } 4527e2394a61SVlad Buslov 4528e2394a61SVlad Buslov int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, 4529e2394a61SVlad Buslov void *cb_priv) 4530e2394a61SVlad Buslov { 4531ec9457a6SRoi Dayan unsigned long flags = MLX5_TC_FLAG(INGRESS); 4532e2394a61SVlad Buslov struct mlx5e_priv *priv = cb_priv; 4533e2394a61SVlad Buslov 45342ff349c5SRoi Dayan if (!priv->netdev || !netif_device_present(priv->netdev)) 45352ff349c5SRoi Dayan return -EOPNOTSUPP; 45362ff349c5SRoi Dayan 4537ec9457a6SRoi Dayan if (mlx5e_is_uplink_rep(priv)) 4538ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(ESW_OFFLOAD); 4539ec9457a6SRoi Dayan else 4540ec9457a6SRoi Dayan flags |= MLX5_TC_FLAG(NIC_OFFLOAD); 4541ec9457a6SRoi Dayan 4542e2394a61SVlad Buslov switch (type) { 4543e2394a61SVlad Buslov case TC_SETUP_CLSFLOWER: 4544e2394a61SVlad Buslov return mlx5e_setup_tc_cls_flower(priv, type_data, flags); 4545e2394a61SVlad Buslov default: 4546e2394a61SVlad Buslov return -EOPNOTSUPP; 4547e2394a61SVlad Buslov } 4548e2394a61SVlad Buslov } 4549c7569097SAriel Levkovich 4550c7569097SAriel Levkovich bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe, 4551c7569097SAriel Levkovich struct sk_buff *skb) 4552c7569097SAriel Levkovich { 4553c7569097SAriel Levkovich #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT) 4554aedd133dSAriel Levkovich u32 chain = 0, chain_tag, reg_b, zone_restore_id; 4555c7569097SAriel Levkovich struct mlx5e_priv *priv = netdev_priv(skb->dev); 4556aedd133dSAriel Levkovich struct mlx5e_tc_table *tc = &priv->fs.tc; 4557a91d98a0SChris Mi struct mlx5_mapped_obj mapped_obj; 4558c7569097SAriel Levkovich struct tc_skb_ext *tc_skb_ext; 4559c7569097SAriel Levkovich int err; 4560c7569097SAriel Levkovich 4561c7569097SAriel Levkovich reg_b = be32_to_cpu(cqe->ft_metadata); 4562c7569097SAriel Levkovich 4563c7569097SAriel Levkovich chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK; 4564c7569097SAriel Levkovich 4565c9355682SChris Mi err = mapping_find(tc->mapping, chain_tag, &mapped_obj); 4566c7569097SAriel Levkovich if (err) { 4567c7569097SAriel Levkovich netdev_dbg(priv->netdev, 4568c7569097SAriel Levkovich "Couldn't find chain for chain tag: %d, err: %d\n", 4569c7569097SAriel Levkovich chain_tag, err); 4570c7569097SAriel Levkovich return false; 4571c7569097SAriel Levkovich } 4572c7569097SAriel Levkovich 4573a91d98a0SChris Mi if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) { 4574a91d98a0SChris Mi chain = mapped_obj.chain; 45759453d45eSVlad Buslov tc_skb_ext = tc_skb_ext_alloc(skb); 4576c7569097SAriel Levkovich if (WARN_ON(!tc_skb_ext)) 4577c7569097SAriel Levkovich return false; 4578c7569097SAriel Levkovich 4579c7569097SAriel Levkovich tc_skb_ext->chain = chain; 4580aedd133dSAriel Levkovich 4581ed2fe7baSPaul Blakey zone_restore_id = (reg_b >> REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) & 458248d216e5SVlad Buslov ESW_ZONE_ID_MASK; 4583aedd133dSAriel Levkovich 4584aedd133dSAriel Levkovich if (!mlx5e_tc_ct_restore_flow(tc->ct, skb, 4585aedd133dSAriel Levkovich zone_restore_id)) 4586aedd133dSAriel Levkovich return false; 4587a91d98a0SChris Mi } else { 4588a91d98a0SChris Mi netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type); 4589a91d98a0SChris Mi return false; 4590c7569097SAriel Levkovich } 4591c7569097SAriel Levkovich #endif /* CONFIG_NET_TC_SKB_EXT */ 4592c7569097SAriel Levkovich 4593c7569097SAriel Levkovich return true; 4594c7569097SAriel Levkovich } 4595